diff options
Diffstat (limited to 'target/linux/ramips/patches-3.8/0202-owrt-USB-adds-dwc_otg.patch')
| -rw-r--r-- | target/linux/ramips/patches-3.8/0202-owrt-USB-adds-dwc_otg.patch | 24517 |
1 files changed, 0 insertions, 24517 deletions
diff --git a/target/linux/ramips/patches-3.8/0202-owrt-USB-adds-dwc_otg.patch b/target/linux/ramips/patches-3.8/0202-owrt-USB-adds-dwc_otg.patch deleted file mode 100644 index 65ed512792..0000000000 --- a/target/linux/ramips/patches-3.8/0202-owrt-USB-adds-dwc_otg.patch +++ /dev/null @@ -1,24517 +0,0 @@ -From 1a44a003bdaf917193114d0d40534496c39644ba Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Fri, 15 Mar 2013 20:58:18 +0100 -Subject: [PATCH 202/208] owrt: USB: adds dwc_otg - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - drivers/usb/Kconfig | 2 + - drivers/usb/Makefile | 1 + - drivers/usb/dwc_otg/Kconfig | 24 + - drivers/usb/dwc_otg/Makefile | 25 + - drivers/usb/dwc_otg/dummy_audio.c | 1575 +++++++++++++ - drivers/usb/dwc_otg/dwc_otg_attr.c | 966 ++++++++ - drivers/usb/dwc_otg/dwc_otg_attr.h | 67 + - drivers/usb/dwc_otg/dwc_otg_cil.c | 3692 ++++++++++++++++++++++++++++++ - drivers/usb/dwc_otg/dwc_otg_cil.h | 1098 +++++++++ - drivers/usb/dwc_otg/dwc_otg_cil_intr.c | 750 ++++++ - drivers/usb/dwc_otg/dwc_otg_driver.c | 1273 ++++++++++ - drivers/usb/dwc_otg/dwc_otg_driver.h | 83 + - drivers/usb/dwc_otg/dwc_otg_hcd.c | 2852 +++++++++++++++++++++++ - drivers/usb/dwc_otg/dwc_otg_hcd.h | 668 ++++++ - drivers/usb/dwc_otg/dwc_otg_hcd_intr.c | 1873 +++++++++++++++ - drivers/usb/dwc_otg/dwc_otg_hcd_queue.c | 684 ++++++ - drivers/usb/dwc_otg/dwc_otg_pcd.c | 2523 ++++++++++++++++++++ - drivers/usb/dwc_otg/dwc_otg_pcd.h | 248 ++ - drivers/usb/dwc_otg/dwc_otg_pcd_intr.c | 3654 +++++++++++++++++++++++++++++ - drivers/usb/dwc_otg/dwc_otg_regs.h | 2075 +++++++++++++++++ - drivers/usb/dwc_otg/linux/dwc_otg_plat.h | 260 +++ - 21 files changed, 24393 insertions(+) - create mode 100644 drivers/usb/dwc_otg/Kconfig - create mode 100644 drivers/usb/dwc_otg/Makefile - create mode 100644 drivers/usb/dwc_otg/dummy_audio.c - create mode 100644 drivers/usb/dwc_otg/dwc_otg_attr.c - create mode 100644 drivers/usb/dwc_otg/dwc_otg_attr.h - create mode 100644 drivers/usb/dwc_otg/dwc_otg_cil.c - create mode 100644 drivers/usb/dwc_otg/dwc_otg_cil.h - create mode 100644 drivers/usb/dwc_otg/dwc_otg_cil_intr.c - create mode 100644 drivers/usb/dwc_otg/dwc_otg_driver.c - create mode 100644 drivers/usb/dwc_otg/dwc_otg_driver.h - create mode 100644 drivers/usb/dwc_otg/dwc_otg_hcd.c - create mode 100644 drivers/usb/dwc_otg/dwc_otg_hcd.h - create mode 100644 drivers/usb/dwc_otg/dwc_otg_hcd_intr.c - create mode 100644 drivers/usb/dwc_otg/dwc_otg_hcd_queue.c - create mode 100644 drivers/usb/dwc_otg/dwc_otg_pcd.c - create mode 100644 drivers/usb/dwc_otg/dwc_otg_pcd.h - create mode 100644 drivers/usb/dwc_otg/dwc_otg_pcd_intr.c - create mode 100644 drivers/usb/dwc_otg/dwc_otg_regs.h - create mode 100644 drivers/usb/dwc_otg/linux/dwc_otg_plat.h - ---- a/drivers/usb/Kconfig -+++ b/drivers/usb/Kconfig -@@ -126,6 +126,8 @@ source "drivers/usb/core/Kconfig" - - source "drivers/usb/dwc3/Kconfig" - -+source "drivers/usb/dwc_otg/Kconfig" -+ - source "drivers/usb/mon/Kconfig" - - source "drivers/usb/wusbcore/Kconfig" ---- a/drivers/usb/Makefile -+++ b/drivers/usb/Makefile -@@ -9,6 +9,7 @@ obj-$(CONFIG_USB) += core/ - obj-$(CONFIG_USB_OTG_UTILS) += otg/ - - obj-$(CONFIG_USB_DWC3) += dwc3/ -+obj-$(CONFIG_DWC_OTG) += dwc_otg/ - - obj-$(CONFIG_USB_MON) += mon/ - ---- /dev/null -+++ b/drivers/usb/dwc_otg/Kconfig -@@ -0,0 +1,24 @@ -+config DWC_OTG -+ tristate "Ralink RT305X DWC_OTG support" -+ depends on SOC_RT305X -+ ---help--- -+ This driver supports Ralink DWC_OTG -+ -+choice -+ prompt "USB Operation Mode" -+ depends on DWC_OTG -+ default DWC_OTG_HOST_ONLY -+ -+config DWC_OTG_HOST_ONLY -+ bool "HOST ONLY MODE" -+ depends on DWC_OTG -+ -+config DWC_OTG_DEVICE_ONLY -+ bool "DEVICE ONLY MODE" -+ depends on DWC_OTG -+ -+endchoice -+ -+config DWC_OTG_DEBUG -+ bool "Enable debug mode" -+ depends on DWC_OTG ---- /dev/null -+++ b/drivers/usb/dwc_otg/Makefile -@@ -0,0 +1,25 @@ -+# -+# Makefile for DWC_otg Highspeed USB controller driver -+# -+ -+ifeq ($(CONFIG_DWC_OTG_DEBUG),y) -+EXTRA_CFLAGS += -DDEBUG -+endif -+ -+# Use one of the following flags to compile the software in host-only or -+# device-only mode. -+ifeq ($(CONFIG_DWC_OTG_HOST_ONLY),y) -+EXTRA_CFLAGS += -DDWC_HOST_ONLY -+EXTRA_CFLAGS += -DDWC_EN_ISOC -+endif -+ -+ifeq ($(CONFIG_DWC_OTG_DEVICE_ONLY),y) -+EXTRA_CFLAGS += -DDWC_DEVICE_ONLY -+endif -+ -+obj-$(CONFIG_DWC_OTG) := dwc_otg.o -+ -+dwc_otg-objs := dwc_otg_driver.o dwc_otg_attr.o -+dwc_otg-objs += dwc_otg_cil.o dwc_otg_cil_intr.o -+dwc_otg-objs += dwc_otg_pcd.o dwc_otg_pcd_intr.o -+dwc_otg-objs += dwc_otg_hcd.o dwc_otg_hcd_intr.o dwc_otg_hcd_queue.o ---- /dev/null -+++ b/drivers/usb/dwc_otg/dummy_audio.c -@@ -0,0 +1,1575 @@ -+/* -+ * zero.c -- Gadget Zero, for USB development -+ * -+ * Copyright (C) 2003-2004 David Brownell -+ * All rights reserved. -+ * -+ * Redistribution and use in source and binary forms, with or without -+ * modification, are permitted provided that the following conditions -+ * are met: -+ * 1. Redistributions of source code must retain the above copyright -+ * notice, this list of conditions, and the following disclaimer, -+ * without modification. -+ * 2. Redistributions in binary form must reproduce the above copyright -+ * notice, this list of conditions and the following disclaimer in the -+ * documentation and/or other materials provided with the distribution. -+ * 3. The names of the above-listed copyright holders may not be used -+ * to endorse or promote products derived from this software without -+ * specific prior written permission. -+ * -+ * ALTERNATIVELY, this software may be distributed under the terms of the -+ * GNU General Public License ("GPL") as published by the Free Software -+ * Foundation, either version 2 of that License or (at your option) any -+ * later version. -+ * -+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS -+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, -+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR -+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR -+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, -+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR -+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF -+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING -+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -+ */ -+ -+ -+/* -+ * Gadget Zero only needs two bulk endpoints, and is an example of how you -+ * can write a hardware-agnostic gadget driver running inside a USB device. -+ * -+ * Hardware details are visible (see CONFIG_USB_ZERO_* below) but don't -+ * affect most of the driver. -+ * -+ * Use it with the Linux host/master side "usbtest" driver to get a basic -+ * functional test of your device-side usb stack, or with "usb-skeleton". -+ * -+ * It supports two similar configurations. One sinks whatever the usb host -+ * writes, and in return sources zeroes. The other loops whatever the host -+ * writes back, so the host can read it. Module options include: -+ * -+ * buflen=N default N=4096, buffer size used -+ * qlen=N default N=32, how many buffers in the loopback queue -+ * loopdefault default false, list loopback config first -+ * -+ * Many drivers will only have one configuration, letting them be much -+ * simpler if they also don't support high speed operation (like this -+ * driver does). -+ */ -+ -+#include <linux/config.h> -+#include <linux/module.h> -+#include <linux/kernel.h> -+#include <linux/delay.h> -+#include <linux/ioport.h> -+#include <linux/sched.h> -+#include <linux/slab.h> -+#include <linux/smp_lock.h> -+#include <linux/errno.h> -+#include <linux/init.h> -+#include <linux/timer.h> -+#include <linux/list.h> -+#include <linux/interrupt.h> -+#include <linux/uts.h> -+#include <linux/version.h> -+#include <linux/device.h> -+#include <linux/moduleparam.h> -+#include <linux/proc_fs.h> -+ -+#include <asm/byteorder.h> -+#include <asm/io.h> -+#include <asm/irq.h> -+#include <asm/system.h> -+#include <asm/unaligned.h> -+ -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21) -+# include <linux/usb/ch9.h> -+#else -+# include <linux/usb_ch9.h> -+#endif -+ -+#include <linux/usb_gadget.h> -+ -+ -+/*-------------------------------------------------------------------------*/ -+/*-------------------------------------------------------------------------*/ -+ -+ -+static int utf8_to_utf16le(const char *s, u16 *cp, unsigned len) -+{ -+ int count = 0; -+ u8 c; -+ u16 uchar; -+ -+ /* this insists on correct encodings, though not minimal ones. -+ * BUT it currently rejects legit 4-byte UTF-8 code points, -+ * which need surrogate pairs. (Unicode 3.1 can use them.) -+ */ -+ while (len != 0 && (c = (u8) *s++) != 0) { -+ if (unlikely(c & 0x80)) { -+ // 2-byte sequence: -+ // 00000yyyyyxxxxxx = 110yyyyy 10xxxxxx -+ if ((c & 0xe0) == 0xc0) { -+ uchar = (c & 0x1f) << 6; -+ -+ c = (u8) *s++; -+ if ((c & 0xc0) != 0xc0) -+ goto fail; -+ c &= 0x3f; -+ uchar |= c; -+ -+ // 3-byte sequence (most CJKV characters): -+ // zzzzyyyyyyxxxxxx = 1110zzzz 10yyyyyy 10xxxxxx -+ } else if ((c & 0xf0) == 0xe0) { -+ uchar = (c & 0x0f) << 12; -+ -+ c = (u8) *s++; -+ if ((c & 0xc0) != 0xc0) -+ goto fail; -+ c &= 0x3f; -+ uchar |= c << 6; -+ -+ c = (u8) *s++; -+ if ((c & 0xc0) != 0xc0) -+ goto fail; -+ c &= 0x3f; -+ uchar |= c; -+ -+ /* no bogus surrogates */ -+ if (0xd800 <= uchar && uchar <= 0xdfff) -+ goto fail; -+ -+ // 4-byte sequence (surrogate pairs, currently rare): -+ // 11101110wwwwzzzzyy + 110111yyyyxxxxxx -+ // = 11110uuu 10uuzzzz 10yyyyyy 10xxxxxx -+ // (uuuuu = wwww + 1) -+ // FIXME accept the surrogate code points (only) -+ -+ } else -+ goto fail; -+ } else -+ uchar = c; -+ put_unaligned (cpu_to_le16 (uchar), cp++); -+ count++; -+ len--; -+ } -+ return count; -+fail: -+ return -1; -+} -+ -+ -+/** -+ * usb_gadget_get_string - fill out a string descriptor -+ * @table: of c strings encoded using UTF-8 -+ * @id: string id, from low byte of wValue in get string descriptor -+ * @buf: at least 256 bytes -+ * -+ * Finds the UTF-8 string matching the ID, and converts it into a -+ * string descriptor in utf16-le. -+ * Returns length of descriptor (always even) or negative errno -+ * -+ * If your driver needs stings in multiple languages, you'll probably -+ * "switch (wIndex) { ... }" in your ep0 string descriptor logic, -+ * using this routine after choosing which set of UTF-8 strings to use. -+ * Note that US-ASCII is a strict subset of UTF-8; any string bytes with -+ * the eighth bit set will be multibyte UTF-8 characters, not ISO-8859/1 -+ * characters (which are also widely used in C strings). -+ */ -+int -+usb_gadget_get_string (struct usb_gadget_strings *table, int id, u8 *buf) -+{ -+ struct usb_string *s; -+ int len; -+ -+ /* descriptor 0 has the language id */ -+ if (id == 0) { -+ buf [0] = 4; -+ buf [1] = USB_DT_STRING; -+ buf [2] = (u8) table->language; -+ buf [3] = (u8) (table->language >> 8); -+ return 4; -+ } -+ for (s = table->strings; s && s->s; s++) -+ if (s->id == id) -+ break; -+ -+ /* unrecognized: stall. */ -+ if (!s || !s->s) -+ return -EINVAL; -+ -+ /* string descriptors have length, tag, then UTF16-LE text */ -+ len = min ((size_t) 126, strlen (s->s)); -+ memset (buf + 2, 0, 2 * len); /* zero all the bytes */ -+ len = utf8_to_utf16le(s->s, (u16 *)&buf[2], len); -+ if (len < 0) -+ return -EINVAL; -+ buf [0] = (len + 1) * 2; -+ buf [1] = USB_DT_STRING; -+ return buf [0]; -+} -+ -+ -+/*-------------------------------------------------------------------------*/ -+/*-------------------------------------------------------------------------*/ -+ -+ -+/** -+ * usb_descriptor_fillbuf - fill buffer with descriptors -+ * @buf: Buffer to be filled -+ * @buflen: Size of buf -+ * @src: Array of descriptor pointers, terminated by null pointer. -+ * -+ * Copies descriptors into the buffer, returning the length or a -+ * negative error code if they can't all be copied. Useful when -+ * assembling descriptors for an associated set of interfaces used -+ * as part of configuring a composite device; or in other cases where -+ * sets of descriptors need to be marshaled. -+ */ -+int -+usb_descriptor_fillbuf(void *buf, unsigned buflen, -+ const struct usb_descriptor_header **src) -+{ -+ u8 *dest = buf; -+ -+ if (!src) -+ return -EINVAL; -+ -+ /* fill buffer from src[] until null descriptor ptr */ -+ for (; 0 != *src; src++) { -+ unsigned len = (*src)->bLength; -+ -+ if (len > buflen) -+ return -EINVAL; -+ memcpy(dest, *src, len); -+ buflen -= len; -+ dest += len; -+ } -+ return dest - (u8 *)buf; -+} -+ -+ -+/** -+ * usb_gadget_config_buf - builts a complete configuration descriptor -+ * @config: Header for the descriptor, including characteristics such -+ * as power requirements and number of interfaces. -+ * @desc: Null-terminated vector of pointers to the descriptors (interface, -+ * endpoint, etc) defining all functions in this device configuration. -+ * @buf: Buffer for the resulting configuration descriptor. -+ * @length: Length of buffer. If this is not big enough to hold the -+ * entire configuration descriptor, an error code will be returned. -+ * -+ * This copies descriptors into the response buffer, building a descriptor -+ * for that configuration. It returns the buffer length or a negative -+ * status code. The config.wTotalLength field is set to match the length -+ * of the result, but other descriptor fields (including power usage and -+ * interface count) must be set by the caller. -+ * -+ * Gadget drivers could use this when constructing a config descriptor -+ * in response to USB_REQ_GET_DESCRIPTOR. They will need to patch the -+ * resulting bDescriptorType value if USB_DT_OTHER_SPEED_CONFIG is needed. -+ */ -+int usb_gadget_config_buf( -+ const struct usb_config_descriptor *config, -+ void *buf, -+ unsigned length, -+ const struct usb_descriptor_header **desc -+) -+{ -+ struct usb_config_descriptor *cp = buf; -+ int len; -+ -+ /* config descriptor first */ -+ if (length < USB_DT_CONFIG_SIZE || !desc) -+ return -EINVAL; -+ *cp = *config; -+ -+ /* then interface/endpoint/class/vendor/... */ -+ len = usb_descriptor_fillbuf(USB_DT_CONFIG_SIZE + (u8*)buf, -+ length - USB_DT_CONFIG_SIZE, desc); -+ if (len < 0) -+ return len; -+ len += USB_DT_CONFIG_SIZE; -+ if (len > 0xffff) -+ return -EINVAL; -+ -+ /* patch up the config descriptor */ -+ cp->bLength = USB_DT_CONFIG_SIZE; -+ cp->bDescriptorType = USB_DT_CONFIG; -+ cp->wTotalLength = cpu_to_le16(len); -+ cp->bmAttributes |= USB_CONFIG_ATT_ONE; -+ return len; -+} -+ -+/*-------------------------------------------------------------------------*/ -+/*-------------------------------------------------------------------------*/ -+ -+ -+#define RBUF_LEN (1024*1024) -+static int rbuf_start; -+static int rbuf_len; -+static __u8 rbuf[RBUF_LEN]; -+ -+/*-------------------------------------------------------------------------*/ -+ -+#define DRIVER_VERSION "St Patrick's Day 2004" -+ -+static const char shortname [] = "zero"; -+static const char longname [] = "YAMAHA YST-MS35D USB Speaker "; -+ -+static const char source_sink [] = "source and sink data"; -+static const char loopback [] = "loop input to output"; -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* -+ * driver assumes self-powered hardware, and -+ * has no way for users to trigger remote wakeup. -+ * -+ * this version autoconfigures as much as possible, -+ * which is reasonable for most "bulk-only" drivers. -+ */ -+static const char *EP_IN_NAME; /* source */ -+static const char *EP_OUT_NAME; /* sink */ -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* big enough to hold our biggest descriptor */ -+#define USB_BUFSIZ 512 -+ -+struct zero_dev { -+ spinlock_t lock; -+ struct usb_gadget *gadget; -+ struct usb_request *req; /* for control responses */ -+ -+ /* when configured, we have one of two configs: -+ * - source data (in to host) and sink it (out from host) -+ * - or loop it back (out from host back in to host) -+ */ -+ u8 config; -+ struct usb_ep *in_ep, *out_ep; -+ -+ /* autoresume timer */ -+ struct timer_list resume; -+}; -+ -+#define xprintk(d,level,fmt,args...) \ -+ dev_printk(level , &(d)->gadget->dev , fmt , ## args) -+ -+#ifdef DEBUG -+#define DBG(dev,fmt,args...) \ -+ xprintk(dev , KERN_DEBUG , fmt , ## args) -+#else -+#define DBG(dev,fmt,args...) \ -+ do { } while (0) -+#endif /* DEBUG */ -+ -+#ifdef VERBOSE -+#define VDBG DBG -+#else -+#define VDBG(dev,fmt,args...) \ -+ do { } while (0) -+#endif /* VERBOSE */ -+ -+#define ERROR(dev,fmt,args...) \ -+ xprintk(dev , KERN_ERR , fmt , ## args) -+#define WARN(dev,fmt,args...) \ -+ xprintk(dev , KERN_WARNING , fmt , ## args) -+#define INFO(dev,fmt,args...) \ -+ xprintk(dev , KERN_INFO , fmt , ## args) -+ -+/*-------------------------------------------------------------------------*/ -+ -+static unsigned buflen = 4096; -+static unsigned qlen = 32; -+static unsigned pattern = 0; -+ -+module_param (buflen, uint, S_IRUGO|S_IWUSR); -+module_param (qlen, uint, S_IRUGO|S_IWUSR); -+module_param (pattern, uint, S_IRUGO|S_IWUSR); -+ -+/* -+ * if it's nonzero, autoresume says how many seconds to wait -+ * before trying to wake up the host after suspend. -+ */ -+static unsigned autoresume = 0; -+module_param (autoresume, uint, 0); -+ -+/* -+ * Normally the "loopback" configuration is second (index 1) so -+ * it's not the default. Here's where to change that order, to -+ * work better with hosts where config changes are problematic. -+ * Or controllers (like superh) that only support one config. -+ */ -+static int loopdefault = 0; -+ -+module_param (loopdefault, bool, S_IRUGO|S_IWUSR); -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* Thanks to NetChip Technologies for donating this product ID. -+ * -+ * DO NOT REUSE THESE IDs with a protocol-incompatible driver!! Ever!! -+ * Instead: allocate your own, using normal USB-IF procedures. -+ */ -+#ifndef CONFIG_USB_ZERO_HNPTEST -+#define DRIVER_VENDOR_NUM 0x0525 /* NetChip */ -+#define DRIVER_PRODUCT_NUM 0xa4a0 /* Linux-USB "Gadget Zero" */ -+#else -+#define DRIVER_VENDOR_NUM 0x1a0a /* OTG test device IDs */ -+#define DRIVER_PRODUCT_NUM 0xbadd -+#endif -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* -+ * DESCRIPTORS ... most are static, but strings and (full) -+ * configuration descriptors are built on demand. -+ */ -+ -+/* -+#define STRING_MANUFACTURER 25 -+#define STRING_PRODUCT 42 -+#define STRING_SERIAL 101 -+*/ -+#define STRING_MANUFACTURER 1 -+#define STRING_PRODUCT 2 -+#define STRING_SERIAL 3 -+ -+#define STRING_SOURCE_SINK 250 -+#define STRING_LOOPBACK 251 -+ -+/* -+ * This device advertises two configurations; these numbers work -+ * on a pxa250 as well as more flexible hardware. -+ */ -+#define CONFIG_SOURCE_SINK 3 -+#define CONFIG_LOOPBACK 2 -+ -+/* -+static struct usb_device_descriptor -+device_desc = { -+ .bLength = sizeof device_desc, -+ .bDescriptorType = USB_DT_DEVICE, -+ -+ .bcdUSB = __constant_cpu_to_le16 (0x0200), -+ .bDeviceClass = USB_CLASS_VENDOR_SPEC, -+ -+ .idVendor = __constant_cpu_to_le16 (DRIVER_VENDOR_NUM), -+ .idProduct = __constant_cpu_to_le16 (DRIVER_PRODUCT_NUM), -+ .iManufacturer = STRING_MANUFACTURER, -+ .iProduct = STRING_PRODUCT, -+ .iSerialNumber = STRING_SERIAL, -+ .bNumConfigurations = 2, -+}; -+*/ -+static struct usb_device_descriptor -+device_desc = { -+ .bLength = sizeof device_desc, -+ .bDescriptorType = USB_DT_DEVICE, -+ .bcdUSB = __constant_cpu_to_le16 (0x0100), -+ .bDeviceClass = USB_CLASS_PER_INTERFACE, -+ .bDeviceSubClass = 0, -+ .bDeviceProtocol = 0, -+ .bMaxPacketSize0 = 64, -+ .bcdDevice = __constant_cpu_to_le16 (0x0100), -+ .idVendor = __constant_cpu_to_le16 (0x0499), -+ .idProduct = __constant_cpu_to_le16 (0x3002), -+ .iManufacturer = STRING_MANUFACTURER, -+ .iProduct = STRING_PRODUCT, -+ .iSerialNumber = STRING_SERIAL, -+ .bNumConfigurations = 1, -+}; -+ -+static struct usb_config_descriptor -+z_config = { -+ .bLength = sizeof z_config, -+ .bDescriptorType = USB_DT_CONFIG, -+ -+ /* compute wTotalLength on the fly */ -+ .bNumInterfaces = 2, -+ .bConfigurationValue = 1, -+ .iConfiguration = 0, -+ .bmAttributes = 0x40, -+ .bMaxPower = 0, /* self-powered */ -+}; -+ -+ -+static struct usb_otg_descriptor -+otg_descriptor = { -+ .bLength = sizeof otg_descriptor, -+ .bDescriptorType = USB_DT_OTG, -+ -+ .bmAttributes = USB_OTG_SRP, -+}; -+ -+/* one interface in each configuration */ -+#ifdef CONFIG_USB_GADGET_DUALSPEED -+ -+/* -+ * usb 2.0 devices need to expose both high speed and full speed -+ * descriptors, unless they only run at full speed. -+ * -+ * that means alternate endpoint descriptors (bigger packets) -+ * and a "device qualifier" ... plus more construction options -+ * for the config descriptor. -+ */ -+ -+static struct usb_qualifier_descriptor -+dev_qualifier = { -+ .bLength = sizeof dev_qualifier, -+ .bDescriptorType = USB_DT_DEVICE_QUALIFIER, -+ -+ .bcdUSB = __constant_cpu_to_le16 (0x0200), -+ .bDeviceClass = USB_CLASS_VENDOR_SPEC, -+ -+ .bNumConfigurations = 2, -+}; -+ -+ -+struct usb_cs_as_general_descriptor { -+ __u8 bLength; -+ __u8 bDescriptorType; -+ -+ __u8 bDescriptorSubType; -+ __u8 bTerminalLink; -+ __u8 bDelay; -+ __u16 wFormatTag; -+} __attribute__ ((packed)); -+ -+struct usb_cs_as_format_descriptor { -+ __u8 bLength; -+ __u8 bDescriptorType; -+ -+ __u8 bDescriptorSubType; -+ __u8 bFormatType; -+ __u8 bNrChannels; -+ __u8 bSubframeSize; -+ __u8 bBitResolution; -+ __u8 bSamfreqType; -+ __u8 tLowerSamFreq[3]; -+ __u8 tUpperSamFreq[3]; -+} __attribute__ ((packed)); -+ -+static const struct usb_interface_descriptor -+z_audio_control_if_desc = { -+ .bLength = sizeof z_audio_control_if_desc, -+ .bDescriptorType = USB_DT_INTERFACE, -+ .bInterfaceNumber = 0, -+ .bAlternateSetting = 0, -+ .bNumEndpoints = 0, -+ .bInterfaceClass = USB_CLASS_AUDIO, -+ .bInterfaceSubClass = 0x1, -+ .bInterfaceProtocol = 0, -+ .iInterface = 0, -+}; -+ -+static const struct usb_interface_descriptor -+z_audio_if_desc = { -+ .bLength = sizeof z_audio_if_desc, -+ .bDescriptorType = USB_DT_INTERFACE, -+ .bInterfaceNumber = 1, -+ .bAlternateSetting = 0, -+ .bNumEndpoints = 0, -+ .bInterfaceClass = USB_CLASS_AUDIO, -+ .bInterfaceSubClass = 0x2, -+ .bInterfaceProtocol = 0, -+ .iInterface = 0, -+}; -+ -+static const struct usb_interface_descriptor -+z_audio_if_desc2 = { -+ .bLength = sizeof z_audio_if_desc, -+ .bDescriptorType = USB_DT_INTERFACE, -+ .bInterfaceNumber = 1, -+ .bAlternateSetting = 1, -+ .bNumEndpoints = 1, -+ .bInterfaceClass = USB_CLASS_AUDIO, -+ .bInterfaceSubClass = 0x2, -+ .bInterfaceProtocol = 0, -+ .iInterface = 0, -+}; -+ -+static const struct usb_cs_as_general_descriptor -+z_audio_cs_as_if_desc = { -+ .bLength = 7, -+ .bDescriptorType = 0x24, -+ -+ .bDescriptorSubType = 0x01, -+ .bTerminalLink = 0x01, -+ .bDelay = 0x0, -+ .wFormatTag = __constant_cpu_to_le16 (0x0001) -+}; -+ -+ -+static const struct usb_cs_as_format_descriptor -+z_audio_cs_as_format_desc = { -+ .bLength = 0xe, -+ .bDescriptorType = 0x24, -+ -+ .bDescriptorSubType = 2, -+ .bFormatType = 1, -+ .bNrChannels = 1, -+ .bSubframeSize = 1, -+ .bBitResolution = 8, -+ .bSamfreqType = 0, -+ .tLowerSamFreq = {0x7e, 0x13, 0x00}, -+ .tUpperSamFreq = {0xe2, 0xd6, 0x00}, -+}; -+ -+static const struct usb_endpoint_descriptor -+z_iso_ep = { -+ .bLength = 0x09, -+ .bDescriptorType = 0x05, -+ .bEndpointAddress = 0x04, -+ .bmAttributes = 0x09, -+ .wMaxPacketSize = 0x0038, -+ .bInterval = 0x01, -+ .bRefresh = 0x00, -+ .bSynchAddress = 0x00, -+}; -+ -+static char z_iso_ep2[] = {0x07, 0x25, 0x01, 0x00, 0x02, 0x00, 0x02}; -+ -+// 9 bytes -+static char z_ac_interface_header_desc[] = -+{ 0x09, 0x24, 0x01, 0x00, 0x01, 0x2b, 0x00, 0x01, 0x01 }; -+ -+// 12 bytes -+static char z_0[] = {0x0c, 0x24, 0x02, 0x01, 0x01, 0x01, 0x00, 0x02, -+ 0x03, 0x00, 0x00, 0x00}; -+// 13 bytes -+static char z_1[] = {0x0d, 0x24, 0x06, 0x02, 0x01, 0x02, 0x15, 0x00, -+ 0x02, 0x00, 0x02, 0x00, 0x00}; -+// 9 bytes -+static char z_2[] = {0x09, 0x24, 0x03, 0x03, 0x01, 0x03, 0x00, 0x02, -+ 0x00}; -+ -+static char za_0[] = {0x09, 0x04, 0x01, 0x02, 0x01, 0x01, 0x02, 0x00, -+ 0x00}; -+ -+static char za_1[] = {0x07, 0x24, 0x01, 0x01, 0x00, 0x01, 0x00}; -+ -+static char za_2[] = {0x0e, 0x24, 0x02, 0x01, 0x02, 0x01, 0x08, 0x00, -+ 0x7e, 0x13, 0x00, 0xe2, 0xd6, 0x00}; -+ -+static char za_3[] = {0x09, 0x05, 0x04, 0x09, 0x70, 0x00, 0x01, 0x00, -+ 0x00}; -+ -+static char za_4[] = {0x07, 0x25, 0x01, 0x00, 0x02, 0x00, 0x02}; -+ -+static char za_5[] = {0x09, 0x04, 0x01, 0x03, 0x01, 0x01, 0x02, 0x00, -+ 0x00}; -+ -+static char za_6[] = {0x07, 0x24, 0x01, 0x01, 0x00, 0x01, 0x00}; -+ -+static char za_7[] = {0x0e, 0x24, 0x02, 0x01, 0x01, 0x02, 0x10, 0x00, -+ 0x7e, 0x13, 0x00, 0xe2, 0xd6, 0x00}; -+ -+static char za_8[] = {0x09, 0x05, 0x04, 0x09, 0x70, 0x00, 0x01, 0x00, -+ 0x00}; -+ -+static char za_9[] = {0x07, 0x25, 0x01, 0x00, 0x02, 0x00, 0x02}; -+ -+static char za_10[] = {0x09, 0x04, 0x01, 0x04, 0x01, 0x01, 0x02, 0x00, -+ 0x00}; -+ -+static char za_11[] = {0x07, 0x24, 0x01, 0x01, 0x00, 0x01, 0x00}; -+ -+static char za_12[] = {0x0e, 0x24, 0x02, 0x01, 0x02, 0x02, 0x10, 0x00, -+ 0x73, 0x13, 0x00, 0xe2, 0xd6, 0x00}; -+ -+static char za_13[] = {0x09, 0x05, 0x04, 0x09, 0xe0, 0x00, 0x01, 0x00, -+ 0x00}; -+ -+static char za_14[] = {0x07, 0x25, 0x01, 0x00, 0x02, 0x00, 0x02}; -+ -+static char za_15[] = {0x09, 0x04, 0x01, 0x05, 0x01, 0x01, 0x02, 0x00, -+ 0x00}; -+ -+static char za_16[] = {0x07, 0x24, 0x01, 0x01, 0x00, 0x01, 0x00}; -+ -+static char za_17[] = {0x0e, 0x24, 0x02, 0x01, 0x01, 0x03, 0x14, 0x00, -+ 0x7e, 0x13, 0x00, 0xe2, 0xd6, 0x00}; -+ -+static char za_18[] = {0x09, 0x05, 0x04, 0x09, 0xa8, 0x00, 0x01, 0x00, -+ 0x00}; -+ -+static char za_19[] = {0x07, 0x25, 0x01, 0x00, 0x02, 0x00, 0x02}; -+ -+static char za_20[] = {0x09, 0x04, 0x01, 0x06, 0x01, 0x01, 0x02, 0x00, -+ 0x00}; -+ -+static char za_21[] = {0x07, 0x24, 0x01, 0x01, 0x00, 0x01, 0x00}; -+ -+static char za_22[] = {0x0e, 0x24, 0x02, 0x01, 0x02, 0x03, 0x14, 0x00, -+ 0x7e, 0x13, 0x00, 0xe2, 0xd6, 0x00}; -+ -+static char za_23[] = {0x09, 0x05, 0x04, 0x09, 0x50, 0x01, 0x01, 0x00, -+ 0x00}; -+ -+static char za_24[] = {0x07, 0x25, 0x01, 0x00, 0x02, 0x00, 0x02}; -+ -+ -+ -+static const struct usb_descriptor_header *z_function [] = { -+ (struct usb_descriptor_header *) &z_audio_control_if_desc, -+ (struct usb_descriptor_header *) &z_ac_interface_header_desc, -+ (struct usb_descriptor_header *) &z_0, -+ (struct usb_descriptor_header *) &z_1, -+ (struct usb_descriptor_header *) &z_2, -+ (struct usb_descriptor_header *) &z_audio_if_desc, -+ (struct usb_descriptor_header *) &z_audio_if_desc2, -+ (struct usb_descriptor_header *) &z_audio_cs_as_if_desc, -+ (struct usb_descriptor_header *) &z_audio_cs_as_format_desc, -+ (struct usb_descriptor_header *) &z_iso_ep, -+ (struct usb_descriptor_header *) &z_iso_ep2, -+ (struct usb_descriptor_header *) &za_0, -+ (struct usb_descriptor_header *) &za_1, -+ (struct usb_descriptor_header *) &za_2, -+ (struct usb_descriptor_header *) &za_3, -+ (struct usb_descriptor_header *) &za_4, -+ (struct usb_descriptor_header *) &za_5, -+ (struct usb_descriptor_header *) &za_6, -+ (struct usb_descriptor_header *) &za_7, -+ (struct usb_descriptor_header *) &za_8, -+ (struct usb_descriptor_header *) &za_9, -+ (struct usb_descriptor_header *) &za_10, -+ (struct usb_descriptor_header *) &za_11, -+ (struct usb_descriptor_header *) &za_12, -+ (struct usb_descriptor_header *) &za_13, -+ (struct usb_descriptor_header *) &za_14, -+ (struct usb_descriptor_header *) &za_15, -+ (struct usb_descriptor_header *) &za_16, -+ (struct usb_descriptor_header *) &za_17, -+ (struct usb_descriptor_header *) &za_18, -+ (struct usb_descriptor_header *) &za_19, -+ (struct usb_descriptor_header *) &za_20, -+ (struct usb_descriptor_header *) &za_21, -+ (struct usb_descriptor_header *) &za_22, -+ (struct usb_descriptor_header *) &za_23, -+ (struct usb_descriptor_header *) &za_24, -+ NULL, -+}; -+ -+/* maxpacket and other transfer characteristics vary by speed. */ -+#define ep_desc(g,hs,fs) (((g)->speed==USB_SPEED_HIGH)?(hs):(fs)) -+ -+#else -+ -+/* if there's no high speed support, maxpacket doesn't change. */ -+#define ep_desc(g,hs,fs) fs -+ -+#endif /* !CONFIG_USB_GADGET_DUALSPEED */ -+ -+static char manufacturer [40]; -+//static char serial [40]; -+static char serial [] = "Ser 00 em"; -+ -+/* static strings, in UTF-8 */ -+static struct usb_string strings [] = { -+ { STRING_MANUFACTURER, manufacturer, }, -+ { STRING_PRODUCT, longname, }, -+ { STRING_SERIAL, serial, }, -+ { STRING_LOOPBACK, loopback, }, -+ { STRING_SOURCE_SINK, source_sink, }, -+ { } /* end of list */ -+}; -+ -+static struct usb_gadget_strings stringtab = { -+ .language = 0x0409, /* en-us */ -+ .strings = strings, -+}; -+ -+/* -+ * config descriptors are also handcrafted. these must agree with code -+ * that sets configurations, and with code managing interfaces and their -+ * altsettings. other complexity may come from: -+ * -+ * - high speed support, including "other speed config" rules -+ * - multiple configurations -+ * - interfaces with alternate settings -+ * - embedded class or vendor-specific descriptors -+ * -+ * this handles high speed, and has a second config that could as easily -+ * have been an alternate interface setting (on most hardware). -+ * -+ * NOTE: to demonstrate (and test) more USB capabilities, this driver -+ * should include an altsetting to test interrupt transfers, including -+ * high bandwidth modes at high speed. (Maybe work like Intel's test -+ * device?) -+ */ -+static int -+config_buf (struct usb_gadget *gadget, u8 *buf, u8 type, unsigned index) -+{ -+ int len; -+ const struct usb_descriptor_header **function; -+ -+ function = z_function; -+ len = usb_gadget_config_buf (&z_config, buf, USB_BUFSIZ, function); -+ if (len < 0) -+ return len; -+ ((struct usb_config_descriptor *) buf)->bDescriptorType = type; -+ return len; -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+static struct usb_request * -+alloc_ep_req (struct usb_ep *ep, unsigned length) -+{ -+ struct usb_request *req; -+ -+ req = usb_ep_alloc_request (ep, GFP_ATOMIC); -+ if (req) { -+ req->length = length; -+ req->buf = usb_ep_alloc_buffer (ep, length, -+ &req->dma, GFP_ATOMIC); -+ if (!req->buf) { -+ usb_ep_free_request (ep, req); -+ req = NULL; -+ } -+ } -+ return req; -+} -+ -+static void free_ep_req (struct usb_ep *ep, struct usb_request *req) -+{ -+ if (req->buf) -+ usb_ep_free_buffer (ep, req->buf, req->dma, req->length); -+ usb_ep_free_request (ep, req); -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* optionally require specific source/sink data patterns */ -+ -+static int -+check_read_data ( -+ struct zero_dev *dev, -+ struct usb_ep *ep, -+ struct usb_request *req -+) -+{ -+ unsigned i; -+ u8 *buf = req->buf; -+ -+ for (i = 0; i < req->actual; i++, buf++) { -+ switch (pattern) { -+ /* all-zeroes has no synchronization issues */ -+ case 0: -+ if (*buf == 0) -+ continue; -+ break; -+ /* mod63 stays in sync with short-terminated transfers, -+ * or otherwise when host and gadget agree on how large -+ * each usb transfer request should be. resync is done -+ * with set_interface or set_config. -+ */ -+ case 1: -+ if (*buf == (u8)(i % 63)) -+ continue; -+ break; -+ } -+ ERROR (dev, "bad OUT byte, buf [%d] = %d\n", i, *buf); -+ usb_ep_set_halt (ep); -+ return -EINVAL; -+ } -+ return 0; -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+static void zero_reset_config (struct zero_dev *dev) -+{ -+ if (dev->config == 0) -+ return; -+ -+ DBG (dev, "reset config\n"); -+ -+ /* just disable endpoints, forcing completion of pending i/o. -+ * all our completion handlers free their requests in this case. -+ */ -+ if (dev->in_ep) { -+ usb_ep_disable (dev->in_ep); -+ dev->in_ep = NULL; -+ } -+ if (dev->out_ep) { -+ usb_ep_disable (dev->out_ep); -+ dev->out_ep = NULL; -+ } -+ dev->config = 0; -+ del_timer (&dev->resume); -+} -+ -+#define _write(f, buf, sz) (f->f_op->write(f, buf, sz, &f->f_pos)) -+ -+static void -+zero_isoc_complete (struct usb_ep *ep, struct usb_request *req) -+{ -+ struct zero_dev *dev = ep->driver_data; -+ int status = req->status; -+ int i, j; -+ -+ switch (status) { -+ -+ case 0: /* normal completion? */ -+ //printk ("\nzero ---------------> isoc normal completion %d bytes\n", req->actual); -+ for (i=0, j=rbuf_start; i<req->actual; i++) { -+ //printk ("%02x ", ((__u8*)req->buf)[i]); -+ rbuf[j] = ((__u8*)req->buf)[i]; -+ j++; -+ if (j >= RBUF_LEN) j=0; -+ } -+ rbuf_start = j; -+ //printk ("\n\n"); -+ -+ if (rbuf_len < RBUF_LEN) { -+ rbuf_len += req->actual; -+ if (rbuf_len > RBUF_LEN) { -+ rbuf_len = RBUF_LEN; -+ } -+ } -+ -+ break; -+ -+ /* this endpoint is normally active while we're configured */ -+ case -ECONNABORTED: /* hardware forced ep reset */ -+ case -ECONNRESET: /* request dequeued */ -+ case -ESHUTDOWN: /* disconnect from host */ -+ VDBG (dev, "%s gone (%d), %d/%d\n", ep->name, status, -+ req->actual, req->length); -+ if (ep == dev->out_ep) -+ check_read_data (dev, ep, req); -+ free_ep_req (ep, req); -+ return; -+ -+ case -EOVERFLOW: /* buffer overrun on read means that -+ * we didn't provide a big enough -+ * buffer. -+ */ -+ default: -+#if 1 -+ DBG (dev, "%s complete --> %d, %d/%d\n", ep->name, -+ status, req->actual, req->length); -+#endif -+ case -EREMOTEIO: /* short read */ -+ break; -+ } -+ -+ status = usb_ep_queue (ep, req, GFP_ATOMIC); -+ if (status) { -+ ERROR (dev, "kill %s: resubmit %d bytes --> %d\n", -+ ep->name, req->length, status); -+ usb_ep_set_halt (ep); -+ /* FIXME recover later ... somehow */ -+ } -+} -+ -+static struct usb_request * -+zero_start_isoc_ep (struct usb_ep *ep, int gfp_flags) -+{ -+ struct usb_request *req; -+ int status; -+ -+ req = alloc_ep_req (ep, 512); -+ if (!req) -+ return NULL; -+ -+ req->complete = zero_isoc_complete; -+ -+ status = usb_ep_queue (ep, req, gfp_flags); -+ if (status) { -+ struct zero_dev *dev = ep->driver_data; -+ -+ ERROR (dev, "start %s --> %d\n", ep->name, status); -+ free_ep_req (ep, req); -+ req = NULL; -+ } -+ -+ return req; -+} -+ -+/* change our operational config. this code must agree with the code -+ * that returns config descriptors, and altsetting code. -+ * -+ * it's also responsible for power management interactions. some -+ * configurations might not work with our current power sources. -+ * -+ * note that some device controller hardware will constrain what this -+ * code can do, perhaps by disallowing more than one configuration or -+ * by limiting configuration choices (like the pxa2xx). -+ */ -+static int -+zero_set_config (struct zero_dev *dev, unsigned number, int gfp_flags) -+{ -+ int result = 0; -+ struct usb_gadget *gadget = dev->gadget; -+ const struct usb_endpoint_descriptor *d; -+ struct usb_ep *ep; -+ -+ if (number == dev->config) -+ return 0; -+ -+ zero_reset_config (dev); -+ -+ gadget_for_each_ep (ep, gadget) { -+ -+ if (strcmp (ep->name, "ep4") == 0) { -+ -+ d = (struct usb_endpoint_descripter *)&za_23; // isoc ep desc for audio i/f alt setting 6 -+ result = usb_ep_enable (ep, d); -+ -+ if (result == 0) { -+ ep->driver_data = dev; -+ dev->in_ep = ep; -+ -+ if (zero_start_isoc_ep (ep, gfp_flags) != 0) { -+ -+ dev->in_ep = ep; -+ continue; -+ } -+ -+ usb_ep_disable (ep); -+ result = -EIO; -+ } -+ } -+ -+ } -+ -+ dev->config = number; -+ return result; -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+static void zero_setup_complete (struct usb_ep *ep, struct usb_request *req) -+{ -+ if (req->status || req->actual != req->length) -+ DBG ((struct zero_dev *) ep->driver_data, -+ "setup complete --> %d, %d/%d\n", -+ req->status, req->actual, req->length); -+} -+ -+/* -+ * The setup() callback implements all the ep0 functionality that's -+ * not handled lower down, in hardware or the hardware driver (like -+ * device and endpoint feature flags, and their status). It's all -+ * housekeeping for the gadget function we're implementing. Most of -+ * the work is in config-specific setup. -+ */ -+static int -+zero_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) -+{ -+ struct zero_dev *dev = get_gadget_data (gadget); -+ struct usb_request *req = dev->req; -+ int value = -EOPNOTSUPP; -+ -+ /* usually this stores reply data in the pre-allocated ep0 buffer, -+ * but config change events will reconfigure hardware. -+ */ -+ req->zero = 0; -+ switch (ctrl->bRequest) { -+ -+ case USB_REQ_GET_DESCRIPTOR: -+ -+ switch (ctrl->wValue >> 8) { -+ -+ case USB_DT_DEVICE: -+ value = min (ctrl->wLength, (u16) sizeof device_desc); -+ memcpy (req->buf, &device_desc, value); -+ break; -+#ifdef CONFIG_USB_GADGET_DUALSPEED -+ case USB_DT_DEVICE_QUALIFIER: -+ if (!gadget->is_dualspeed) -+ break; -+ value = min (ctrl->wLength, (u16) sizeof dev_qualifier); -+ memcpy (req->buf, &dev_qualifier, value); -+ break; -+ -+ case USB_DT_OTHER_SPEED_CONFIG: -+ if (!gadget->is_dualspeed) -+ break; -+ // FALLTHROUGH -+#endif /* CONFIG_USB_GADGET_DUALSPEED */ -+ case USB_DT_CONFIG: -+ value = config_buf (gadget, req->buf, -+ ctrl->wValue >> 8, -+ ctrl->wValue & 0xff); -+ if (value >= 0) -+ value = min (ctrl->wLength, (u16) value); -+ break; -+ -+ case USB_DT_STRING: -+ /* wIndex == language code. -+ * this driver only handles one language, you can -+ * add string tables for other languages, using -+ * any UTF-8 characters -+ */ -+ value = usb_gadget_get_string (&stringtab, -+ ctrl->wValue & 0xff, req->buf); -+ if (value >= 0) { -+ value = min (ctrl->wLength, (u16) value); -+ } -+ break; -+ } -+ break; -+ -+ /* currently two configs, two speeds */ -+ case USB_REQ_SET_CONFIGURATION: -+ if (ctrl->bRequestType != 0) -+ goto unknown; -+ -+ spin_lock (&dev->lock); -+ value = zero_set_config (dev, ctrl->wValue, GFP_ATOMIC); -+ spin_unlock (&dev->lock); -+ break; -+ case USB_REQ_GET_CONFIGURATION: -+ if (ctrl->bRequestType != USB_DIR_IN) -+ goto unknown; -+ *(u8 *)req->buf = dev->config; -+ value = min (ctrl->wLength, (u16) 1); -+ break; -+ -+ /* until we add altsetting support, or other interfaces, -+ * only 0/0 are possible. pxa2xx only supports 0/0 (poorly) -+ * and already killed pending endpoint I/O. -+ */ -+ case USB_REQ_SET_INTERFACE: -+ -+ if (ctrl->bRequestType != USB_RECIP_INTERFACE) -+ goto unknown; -+ spin_lock (&dev->lock); -+ if (dev->config) { -+ u8 config = dev->config; -+ -+ /* resets interface configuration, forgets about -+ * previous transaction state (queued bufs, etc) -+ * and re-inits endpoint state (toggle etc) -+ * no response queued, just zero status == success. -+ * if we had more than one interface we couldn't -+ * use this "reset the config" shortcut. -+ */ -+ zero_reset_config (dev); -+ zero_set_config (dev, config, GFP_ATOMIC); -+ value = 0; -+ } -+ spin_unlock (&dev->lock); -+ break; -+ case USB_REQ_GET_INTERFACE: -+ if ((ctrl->bRequestType == 0x21) && (ctrl->wIndex == 0x02)) { -+ value = ctrl->wLength; -+ break; -+ } -+ else { -+ if (ctrl->bRequestType != (USB_DIR_IN|USB_RECIP_INTERFACE)) -+ goto unknown; -+ if (!dev->config) -+ break; -+ if (ctrl->wIndex != 0) { -+ value = -EDOM; -+ break; -+ } -+ *(u8 *)req->buf = 0; -+ value = min (ctrl->wLength, (u16) 1); -+ } -+ break; -+ -+ /* -+ * These are the same vendor-specific requests supported by -+ * Intel's USB 2.0 compliance test devices. We exceed that -+ * device spec by allowing multiple-packet requests. -+ */ -+ case 0x5b: /* control WRITE test -- fill the buffer */ -+ if (ctrl->bRequestType != (USB_DIR_OUT|USB_TYPE_VENDOR)) -+ goto unknown; -+ if (ctrl->wValue || ctrl->wIndex) -+ break; -+ /* just read that many bytes into the buffer */ -+ if (ctrl->wLength > USB_BUFSIZ) -+ break; -+ value = ctrl->wLength; -+ break; -+ case 0x5c: /* control READ test -- return the buffer */ -+ if (ctrl->bRequestType != (USB_DIR_IN|USB_TYPE_VENDOR)) -+ goto unknown; -+ if (ctrl->wValue || ctrl->wIndex) -+ break; -+ /* expect those bytes are still in the buffer; send back */ -+ if (ctrl->wLength > USB_BUFSIZ -+ || ctrl->wLength != req->length) -+ break; -+ value = ctrl->wLength; -+ break; -+ -+ case 0x01: // SET_CUR -+ case 0x02: -+ case 0x03: -+ case 0x04: -+ case 0x05: -+ value = ctrl->wLength; -+ break; -+ case 0x81: -+ switch (ctrl->wValue) { -+ case 0x0201: -+ case 0x0202: -+ ((u8*)req->buf)[0] = 0x00; -+ ((u8*)req->buf)[1] = 0xe3; -+ break; -+ case 0x0300: -+ case 0x0500: -+ ((u8*)req->buf)[0] = 0x00; -+ break; -+ } -+ //((u8*)req->buf)[0] = 0x81; -+ //((u8*)req->buf)[1] = 0x81; -+ value = ctrl->wLength; -+ break; -+ case 0x82: -+ switch (ctrl->wValue) { -+ case 0x0201: -+ case 0x0202: -+ ((u8*)req->buf)[0] = 0x00; -+ ((u8*)req->buf)[1] = 0xc3; -+ break; -+ case 0x0300: -+ case 0x0500: -+ ((u8*)req->buf)[0] = 0x00; -+ break; -+ } -+ //((u8*)req->buf)[0] = 0x82; -+ //((u8*)req->buf)[1] = 0x82; -+ value = ctrl->wLength; -+ break; -+ case 0x83: -+ switch (ctrl->wValue) { -+ case 0x0201: -+ case 0x0202: -+ ((u8*)req->buf)[0] = 0x00; -+ ((u8*)req->buf)[1] = 0x00; -+ break; -+ case 0x0300: -+ ((u8*)req->buf)[0] = 0x60; -+ break; -+ case 0x0500: -+ ((u8*)req->buf)[0] = 0x18; -+ break; -+ } -+ //((u8*)req->buf)[0] = 0x83; -+ //((u8*)req->buf)[1] = 0x83; -+ value = ctrl->wLength; -+ break; -+ case 0x84: -+ switch (ctrl->wValue) { -+ case 0x0201: -+ case 0x0202: -+ ((u8*)req->buf)[0] = 0x00; -+ ((u8*)req->buf)[1] = 0x01; -+ break; -+ case 0x0300: -+ case 0x0500: -+ ((u8*)req->buf)[0] = 0x08; -+ break; -+ } -+ //((u8*)req->buf)[0] = 0x84; -+ //((u8*)req->buf)[1] = 0x84; -+ value = ctrl->wLength; -+ break; -+ case 0x85: -+ ((u8*)req->buf)[0] = 0x85; -+ ((u8*)req->buf)[1] = 0x85; -+ value = ctrl->wLength; -+ break; -+ -+ -+ default: -+unknown: -+ printk("unknown control req%02x.%02x v%04x i%04x l%d\n", -+ ctrl->bRequestType, ctrl->bRequest, -+ ctrl->wValue, ctrl->wIndex, ctrl->wLength); -+ } -+ -+ /* respond with data transfer before status phase? */ -+ if (value >= 0) { -+ req->length = value; -+ req->zero = value < ctrl->wLength -+ && (value % gadget->ep0->maxpacket) == 0; -+ value = usb_ep_queue (gadget->ep0, req, GFP_ATOMIC); -+ if (value < 0) { -+ DBG (dev, "ep_queue < 0 --> %d\n", value); -+ req->status = 0; -+ zero_setup_complete (gadget->ep0, req); -+ } -+ } -+ -+ /* device either stalls (value < 0) or reports success */ -+ return value; -+} -+ -+static void -+zero_disconnect (struct usb_gadget *gadget) -+{ -+ struct zero_dev *dev = get_gadget_data (gadget); -+ unsigned long flags; -+ -+ spin_lock_irqsave (&dev->lock, flags); -+ zero_reset_config (dev); -+ -+ /* a more significant application might have some non-usb -+ * activities to quiesce here, saving resources like power -+ * or pushing the notification up a network stack. -+ */ -+ spin_unlock_irqrestore (&dev->lock, flags); -+ -+ /* next we may get setup() calls to enumerate new connections; -+ * or an unbind() during shutdown (including removing module). -+ */ -+} -+ -+static void -+zero_autoresume (unsigned long _dev) -+{ -+ struct zero_dev *dev = (struct zero_dev *) _dev; -+ int status; -+ -+ /* normally the host would be woken up for something -+ * more significant than just a timer firing... -+ */ -+ if (dev->gadget->speed != USB_SPEED_UNKNOWN) { -+ status = usb_gadget_wakeup (dev->gadget); -+ DBG (dev, "wakeup --> %d\n", status); -+ } -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+static void -+zero_unbind (struct usb_gadget *gadget) -+{ -+ struct zero_dev *dev = get_gadget_data (gadget); -+ -+ DBG (dev, "unbind\n"); -+ -+ /* we've already been disconnected ... no i/o is active */ -+ if (dev->req) -+ free_ep_req (gadget->ep0, dev->req); -+ del_timer_sync (&dev->resume); -+ kfree (dev); -+ set_gadget_data (gadget, NULL); -+} -+ -+static int -+zero_bind (struct usb_gadget *gadget) -+{ -+ struct zero_dev *dev; -+ //struct usb_ep *ep; -+ -+ printk("binding\n"); -+ /* -+ * DRIVER POLICY CHOICE: you may want to do this differently. -+ * One thing to avoid is reusing a bcdDevice revision code -+ * with different host-visible configurations or behavior -+ * restrictions -- using ep1in/ep2out vs ep1out/ep3in, etc -+ */ -+ //device_desc.bcdDevice = __constant_cpu_to_le16 (0x0201); -+ -+ -+ /* ok, we made sense of the hardware ... */ -+ dev = kmalloc (sizeof *dev, SLAB_KERNEL); -+ if (!dev) -+ return -ENOMEM; -+ memset (dev, 0, sizeof *dev); -+ spin_lock_init (&dev->lock); -+ dev->gadget = gadget; -+ set_gadget_data (gadget, dev); -+ -+ /* preallocate control response and buffer */ -+ dev->req = usb_ep_alloc_request (gadget->ep0, GFP_KERNEL); -+ if (!dev->req) -+ goto enomem; -+ dev->req->buf = usb_ep_alloc_buffer (gadget->ep0, USB_BUFSIZ, -+ &dev->req->dma, GFP_KERNEL); -+ if (!dev->req->buf) -+ goto enomem; -+ -+ dev->req->complete = zero_setup_complete; -+ -+ device_desc.bMaxPacketSize0 = gadget->ep0->maxpacket; -+ -+#ifdef CONFIG_USB_GADGET_DUALSPEED -+ /* assume ep0 uses the same value for both speeds ... */ -+ dev_qualifier.bMaxPacketSize0 = device_desc.bMaxPacketSize0; -+ -+ /* and that all endpoints are dual-speed */ -+ //hs_source_desc.bEndpointAddress = fs_source_desc.bEndpointAddress; -+ //hs_sink_desc.bEndpointAddress = fs_sink_desc.bEndpointAddress; -+#endif -+ -+ usb_gadget_set_selfpowered (gadget); -+ -+ init_timer (&dev->resume); -+ dev->resume.function = zero_autoresume; -+ dev->resume.data = (unsigned long) dev; -+ -+ gadget->ep0->driver_data = dev; -+ -+ INFO (dev, "%s, version: " DRIVER_VERSION "\n", longname); -+ INFO (dev, "using %s, OUT %s IN %s\n", gadget->name, -+ EP_OUT_NAME, EP_IN_NAME); -+ -+ snprintf (manufacturer, sizeof manufacturer, -+ UTS_SYSNAME " " UTS_RELEASE " with %s", -+ gadget->name); -+ -+ return 0; -+ -+enomem: -+ zero_unbind (gadget); -+ return -ENOMEM; -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+static void -+zero_suspend (struct usb_gadget *gadget) -+{ -+ struct zero_dev *dev = get_gadget_data (gadget); -+ -+ if (gadget->speed == USB_SPEED_UNKNOWN) -+ return; -+ -+ if (autoresume) { -+ mod_timer (&dev->resume, jiffies + (HZ * autoresume)); -+ DBG (dev, "suspend, wakeup in %d seconds\n", autoresume); -+ } else -+ DBG (dev, "suspend\n"); -+} -+ -+static void -+zero_resume (struct usb_gadget *gadget) -+{ -+ struct zero_dev *dev = get_gadget_data (gadget); -+ -+ DBG (dev, "resume\n"); -+ del_timer (&dev->resume); -+} -+ -+ -+/*-------------------------------------------------------------------------*/ -+ -+static struct usb_gadget_driver zero_driver = { -+#ifdef CONFIG_USB_GADGET_DUALSPEED -+ .speed = USB_SPEED_HIGH, -+#else -+ .speed = USB_SPEED_FULL, -+#endif -+ .function = (char *) longname, -+ .bind = zero_bind, -+ .unbind = zero_unbind, -+ -+ .setup = zero_setup, -+ .disconnect = zero_disconnect, -+ -+ .suspend = zero_suspend, -+ .resume = zero_resume, -+ -+ .driver = { -+ .name = (char *) shortname, -+ // .shutdown = ... -+ // .suspend = ... -+ // .resume = ... -+ }, -+}; -+ -+MODULE_AUTHOR ("David Brownell"); -+MODULE_LICENSE ("Dual BSD/GPL"); -+ -+static struct proc_dir_entry *pdir, *pfile; -+ -+static int isoc_read_data (char *page, char **start, -+ off_t off, int count, -+ int *eof, void *data) -+{ -+ int i; -+ static int c = 0; -+ static int done = 0; -+ static int s = 0; -+ -+/* -+ printk ("\ncount: %d\n", count); -+ printk ("rbuf_start: %d\n", rbuf_start); -+ printk ("rbuf_len: %d\n", rbuf_len); -+ printk ("off: %d\n", off); -+ printk ("start: %p\n\n", *start); -+*/ -+ if (done) { -+ c = 0; -+ done = 0; -+ *eof = 1; -+ return 0; -+ } -+ -+ if (c == 0) { -+ if (rbuf_len == RBUF_LEN) -+ s = rbuf_start; -+ else s = 0; -+ } -+ -+ for (i=0; i<count && c<rbuf_len; i++, c++) { -+ page[i] = rbuf[(c+s) % RBUF_LEN]; -+ } -+ *start = page; -+ -+ if (c >= rbuf_len) { -+ *eof = 1; -+ done = 1; -+ } -+ -+ -+ return i; -+} -+ -+static int __init init (void) -+{ -+ -+ int retval = 0; -+ -+ pdir = proc_mkdir("isoc_test", NULL); -+ if(pdir == NULL) { -+ retval = -ENOMEM; -+ printk("Error creating dir\n"); -+ goto done; -+ } -+ pdir->owner = THIS_MODULE; -+ -+ pfile = create_proc_read_entry("isoc_data", -+ 0444, pdir, -+ isoc_read_data, -+ NULL); -+ if (pfile == NULL) { -+ retval = -ENOMEM; -+ printk("Error creating file\n"); -+ goto no_file; -+ } -+ pfile->owner = THIS_MODULE; -+ -+ return usb_gadget_register_driver (&zero_driver); -+ -+ no_file: -+ remove_proc_entry("isoc_data", NULL); -+ done: -+ return retval; -+} -+module_init (init); -+ -+static void __exit cleanup (void) -+{ -+ -+ usb_gadget_unregister_driver (&zero_driver); -+ -+ remove_proc_entry("isoc_data", pdir); -+ remove_proc_entry("isoc_test", NULL); -+} -+module_exit (cleanup); ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_attr.c -@@ -0,0 +1,966 @@ -+/* ========================================================================== -+ * $File: //dwh/usb_iip/dev/software/otg/linux/drivers/dwc_otg_attr.c $ -+ * $Revision: 1.2 $ -+ * $Date: 2008-11-21 05:39:15 $ -+ * $Change: 1064918 $ -+ * -+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, -+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless -+ * otherwise expressly agreed to in writing between Synopsys and you. -+ * -+ * The Software IS NOT an item of Licensed Software or Licensed Product under -+ * any End User Software License Agreement or Agreement for Licensed Product -+ * with Synopsys or any supplement thereto. You are permitted to use and -+ * redistribute this Software in source and binary forms, with or without -+ * modification, provided that redistributions of source code must retain this -+ * notice. You may not view, use, disclose, copy or distribute this file or -+ * any information contained herein except pursuant to this license grant from -+ * Synopsys. If you do not agree with this notice, including the disclaimer -+ * below, then you are not authorized to use the Software. -+ * -+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS -+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, -+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH -+ * DAMAGE. -+ * ========================================================================== */ -+ -+/** @file -+ * -+ * The diagnostic interface will provide access to the controller for -+ * bringing up the hardware and testing. The Linux driver attributes -+ * feature will be used to provide the Linux Diagnostic -+ * Interface. These attributes are accessed through sysfs. -+ */ -+ -+/** @page "Linux Module Attributes" -+ * -+ * The Linux module attributes feature is used to provide the Linux -+ * Diagnostic Interface. These attributes are accessed through sysfs. -+ * The diagnostic interface will provide access to the controller for -+ * bringing up the hardware and testing. -+ -+ -+ The following table shows the attributes. -+ <table> -+ <tr> -+ <td><b> Name</b></td> -+ <td><b> Description</b></td> -+ <td><b> Access</b></td> -+ </tr> -+ -+ <tr> -+ <td> mode </td> -+ <td> Returns the current mode: 0 for device mode, 1 for host mode</td> -+ <td> Read</td> -+ </tr> -+ -+ <tr> -+ <td> hnpcapable </td> -+ <td> Gets or sets the "HNP-capable" bit in the Core USB Configuraton Register. -+ Read returns the current value.</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> srpcapable </td> -+ <td> Gets or sets the "SRP-capable" bit in the Core USB Configuraton Register. -+ Read returns the current value.</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> hnp </td> -+ <td> Initiates the Host Negotiation Protocol. Read returns the status.</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> srp </td> -+ <td> Initiates the Session Request Protocol. Read returns the status.</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> buspower </td> -+ <td> Gets or sets the Power State of the bus (0 - Off or 1 - On)</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> bussuspend </td> -+ <td> Suspends the USB bus.</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> busconnected </td> -+ <td> Gets the connection status of the bus</td> -+ <td> Read</td> -+ </tr> -+ -+ <tr> -+ <td> gotgctl </td> -+ <td> Gets or sets the Core Control Status Register.</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> gusbcfg </td> -+ <td> Gets or sets the Core USB Configuration Register</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> grxfsiz </td> -+ <td> Gets or sets the Receive FIFO Size Register</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> gnptxfsiz </td> -+ <td> Gets or sets the non-periodic Transmit Size Register</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> gpvndctl </td> -+ <td> Gets or sets the PHY Vendor Control Register</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> ggpio </td> -+ <td> Gets the value in the lower 16-bits of the General Purpose IO Register -+ or sets the upper 16 bits.</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> guid </td> -+ <td> Gets or sets the value of the User ID Register</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> gsnpsid </td> -+ <td> Gets the value of the Synopsys ID Regester</td> -+ <td> Read</td> -+ </tr> -+ -+ <tr> -+ <td> devspeed </td> -+ <td> Gets or sets the device speed setting in the DCFG register</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> enumspeed </td> -+ <td> Gets the device enumeration Speed.</td> -+ <td> Read</td> -+ </tr> -+ -+ <tr> -+ <td> hptxfsiz </td> -+ <td> Gets the value of the Host Periodic Transmit FIFO</td> -+ <td> Read</td> -+ </tr> -+ -+ <tr> -+ <td> hprt0 </td> -+ <td> Gets or sets the value in the Host Port Control and Status Register</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> regoffset </td> -+ <td> Sets the register offset for the next Register Access</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> regvalue </td> -+ <td> Gets or sets the value of the register at the offset in the regoffset attribute.</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> remote_wakeup </td> -+ <td> On read, shows the status of Remote Wakeup. On write, initiates a remote -+ wakeup of the host. When bit 0 is 1 and Remote Wakeup is enabled, the Remote -+ Wakeup signalling bit in the Device Control Register is set for 1 -+ milli-second.</td> -+ <td> Read/Write</td> -+ </tr> -+ -+ <tr> -+ <td> regdump </td> -+ <td> Dumps the contents of core registers.</td> -+ <td> Read</td> -+ </tr> -+ -+ <tr> -+ <td> spramdump </td> -+ <td> Dumps the contents of core registers.</td> -+ <td> Read</td> -+ </tr> -+ -+ <tr> -+ <td> hcddump </td> -+ <td> Dumps the current HCD state.</td> -+ <td> Read</td> -+ </tr> -+ -+ <tr> -+ <td> hcd_frrem </td> -+ <td> Shows the average value of the Frame Remaining -+ field in the Host Frame Number/Frame Remaining register when an SOF interrupt -+ occurs. This can be used to determine the average interrupt latency. Also -+ shows the average Frame Remaining value for start_transfer and the "a" and -+ "b" sample points. The "a" and "b" sample points may be used during debugging -+ bto determine how long it takes to execute a section of the HCD code.</td> -+ <td> Read</td> -+ </tr> -+ -+ <tr> -+ <td> rd_reg_test </td> -+ <td> Displays the time required to read the GNPTXFSIZ register many times -+ (the output shows the number of times the register is read). -+ <td> Read</td> -+ </tr> -+ -+ <tr> -+ <td> wr_reg_test </td> -+ <td> Displays the time required to write the GNPTXFSIZ register many times -+ (the output shows the number of times the register is written). -+ <td> Read</td> -+ </tr> -+ -+ </table> -+ -+ Example usage: -+ To get the current mode: -+ cat /sys/devices/lm0/mode -+ -+ To power down the USB: -+ echo 0 > /sys/devices/lm0/buspower -+ */ -+ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/init.h> -+#include <linux/device.h> -+#include <linux/errno.h> -+#include <linux/types.h> -+#include <linux/stat.h> /* permission constants */ -+#include <linux/version.h> -+ -+#include <asm/io.h> -+ -+#include "linux/dwc_otg_plat.h" -+#include "dwc_otg_attr.h" -+#include "dwc_otg_driver.h" -+#include "dwc_otg_pcd.h" -+#include "dwc_otg_hcd.h" -+ -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -+/* -+ * MACROs for defining sysfs attribute -+ */ -+#define DWC_OTG_DEVICE_ATTR_BITFIELD_SHOW(_otg_attr_name_,_addr_,_mask_,_shift_,_string_) \ -+static ssize_t _otg_attr_name_##_show (struct device *_dev, struct device_attribute *attr, char *buf) \ -+{ \ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); \ -+ uint32_t val; \ -+ val = dwc_read_reg32 (_addr_); \ -+ val = (val & (_mask_)) >> _shift_; \ -+ return sprintf (buf, "%s = 0x%x\n", _string_, val); \ -+} -+#define DWC_OTG_DEVICE_ATTR_BITFIELD_STORE(_otg_attr_name_,_addr_,_mask_,_shift_,_string_) \ -+static ssize_t _otg_attr_name_##_store (struct device *_dev, struct device_attribute *attr, \ -+ const char *buf, size_t count) \ -+{ \ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); \ -+ uint32_t set = simple_strtoul(buf, NULL, 16); \ -+ uint32_t clear = set; \ -+ clear = ((~clear) << _shift_) & _mask_; \ -+ set = (set << _shift_) & _mask_; \ -+ dev_dbg(_dev, "Storing Address=0x%08x Set=0x%08x Clear=0x%08x\n", (uint32_t)_addr_, set, clear); \ -+ dwc_modify_reg32(_addr_, clear, set); \ -+ return count; \ -+} -+ -+/* -+ * MACROs for defining sysfs attribute for 32-bit registers -+ */ -+#define DWC_OTG_DEVICE_ATTR_REG_SHOW(_otg_attr_name_,_addr_,_string_) \ -+static ssize_t _otg_attr_name_##_show (struct device *_dev, struct device_attribute *attr, char *buf) \ -+{ \ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); \ -+ uint32_t val; \ -+ val = dwc_read_reg32 (_addr_); \ -+ return sprintf (buf, "%s = 0x%08x\n", _string_, val); \ -+} -+#define DWC_OTG_DEVICE_ATTR_REG_STORE(_otg_attr_name_,_addr_,_string_) \ -+static ssize_t _otg_attr_name_##_store (struct device *_dev, struct device_attribute *attr, \ -+ const char *buf, size_t count) \ -+{ \ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); \ -+ uint32_t val = simple_strtoul(buf, NULL, 16); \ -+ dev_dbg(_dev, "Storing Address=0x%08x Val=0x%08x\n", (uint32_t)_addr_, val); \ -+ dwc_write_reg32(_addr_, val); \ -+ return count; \ -+} -+ -+#else -+ -+/* -+ * MACROs for defining sysfs attribute -+ */ -+#define DWC_OTG_DEVICE_ATTR_BITFIELD_SHOW(_otg_attr_name_,_addr_,_mask_,_shift_,_string_) \ -+static ssize_t _otg_attr_name_##_show (struct device *_dev, char *buf) \ -+{ \ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev);\ -+ uint32_t val; \ -+ val = dwc_read_reg32 (_addr_); \ -+ val = (val & (_mask_)) >> _shift_; \ -+ return sprintf (buf, "%s = 0x%x\n", _string_, val); \ -+} -+#define DWC_OTG_DEVICE_ATTR_BITFIELD_STORE(_otg_attr_name_,_addr_,_mask_,_shift_,_string_) \ -+static ssize_t _otg_attr_name_##_store (struct device *_dev, const char *buf, size_t count) \ -+{ \ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev);\ -+ uint32_t set = simple_strtoul(buf, NULL, 16); \ -+ uint32_t clear = set; \ -+ clear = ((~clear) << _shift_) & _mask_; \ -+ set = (set << _shift_) & _mask_; \ -+ dev_dbg(_dev, "Storing Address=0x%08x Set=0x%08x Clear=0x%08x\n", (uint32_t)_addr_, set, clear); \ -+ dwc_modify_reg32(_addr_, clear, set); \ -+ return count; \ -+} -+ -+/* -+ * MACROs for defining sysfs attribute for 32-bit registers -+ */ -+#define DWC_OTG_DEVICE_ATTR_REG_SHOW(_otg_attr_name_,_addr_,_string_) \ -+static ssize_t _otg_attr_name_##_show (struct device *_dev, char *buf) \ -+{ \ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev);\ -+ uint32_t val; \ -+ val = dwc_read_reg32 (_addr_); \ -+ return sprintf (buf, "%s = 0x%08x\n", _string_, val); \ -+} -+#define DWC_OTG_DEVICE_ATTR_REG_STORE(_otg_attr_name_,_addr_,_string_) \ -+static ssize_t _otg_attr_name_##_store (struct device *_dev, const char *buf, size_t count) \ -+{ \ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev);\ -+ uint32_t val = simple_strtoul(buf, NULL, 16); \ -+ dev_dbg(_dev, "Storing Address=0x%08x Val=0x%08x\n", (uint32_t)_addr_, val); \ -+ dwc_write_reg32(_addr_, val); \ -+ return count; \ -+} -+ -+#endif -+ -+#define DWC_OTG_DEVICE_ATTR_BITFIELD_RW(_otg_attr_name_,_addr_,_mask_,_shift_,_string_) \ -+DWC_OTG_DEVICE_ATTR_BITFIELD_SHOW(_otg_attr_name_,_addr_,_mask_,_shift_,_string_) \ -+DWC_OTG_DEVICE_ATTR_BITFIELD_STORE(_otg_attr_name_,_addr_,_mask_,_shift_,_string_) \ -+DEVICE_ATTR(_otg_attr_name_,0644,_otg_attr_name_##_show,_otg_attr_name_##_store); -+ -+#define DWC_OTG_DEVICE_ATTR_BITFIELD_RO(_otg_attr_name_,_addr_,_mask_,_shift_,_string_) \ -+DWC_OTG_DEVICE_ATTR_BITFIELD_SHOW(_otg_attr_name_,_addr_,_mask_,_shift_,_string_) \ -+DEVICE_ATTR(_otg_attr_name_,0444,_otg_attr_name_##_show,NULL); -+ -+#define DWC_OTG_DEVICE_ATTR_REG32_RW(_otg_attr_name_,_addr_,_string_) \ -+DWC_OTG_DEVICE_ATTR_REG_SHOW(_otg_attr_name_,_addr_,_string_) \ -+DWC_OTG_DEVICE_ATTR_REG_STORE(_otg_attr_name_,_addr_,_string_) \ -+DEVICE_ATTR(_otg_attr_name_,0644,_otg_attr_name_##_show,_otg_attr_name_##_store); -+ -+#define DWC_OTG_DEVICE_ATTR_REG32_RO(_otg_attr_name_,_addr_,_string_) \ -+DWC_OTG_DEVICE_ATTR_REG_SHOW(_otg_attr_name_,_addr_,_string_) \ -+DEVICE_ATTR(_otg_attr_name_,0444,_otg_attr_name_##_show,NULL); -+ -+ -+/** @name Functions for Show/Store of Attributes */ -+/**@{*/ -+ -+/** -+ * Show the register offset of the Register Access. -+ */ -+static ssize_t regoffset_show( struct device *_dev, -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -+ struct device_attribute *attr, -+#endif -+ char *buf) -+{ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ return snprintf(buf, sizeof("0xFFFFFFFF\n")+1,"0x%08x\n", otg_dev->reg_offset); -+} -+ -+/** -+ * Set the register offset for the next Register Access Read/Write -+ */ -+static ssize_t regoffset_store( struct device *_dev, -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -+ struct device_attribute *attr, -+#endif -+ const char *buf, -+ size_t count ) -+{ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ -+ uint32_t offset = simple_strtoul(buf, NULL, 16); -+ //dev_dbg(_dev, "Offset=0x%08x\n", offset); -+ if (offset < 0x00040000 ) { -+ otg_dev->reg_offset = offset; -+ } -+ else { -+ dev_err( _dev, "invalid offset\n" ); -+ } -+ -+ return count; -+} -+DEVICE_ATTR(regoffset, S_IRUGO|S_IWUSR, (void *)regoffset_show, regoffset_store); -+ -+ -+/** -+ * Show the value of the register at the offset in the reg_offset -+ * attribute. -+ */ -+static ssize_t regvalue_show( struct device *_dev, -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -+ struct device_attribute *attr, -+#endif -+ char *buf) -+{ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ -+ uint32_t val; -+ volatile uint32_t *addr; -+ -+ if (otg_dev->reg_offset != 0xFFFFFFFF && -+ 0 != otg_dev->base) { -+ /* Calculate the address */ -+ addr = (uint32_t*)(otg_dev->reg_offset + -+ (uint8_t*)otg_dev->base); -+ //dev_dbg(_dev, "@0x%08x\n", (unsigned)addr); -+ val = dwc_read_reg32( addr ); -+ return snprintf(buf, sizeof("Reg@0xFFFFFFFF = 0xFFFFFFFF\n")+1, -+ "Reg@0x%06x = 0x%08x\n", -+ otg_dev->reg_offset, val); -+ } -+ else { -+ dev_err(_dev, "Invalid offset (0x%0x)\n", -+ otg_dev->reg_offset); -+ return sprintf(buf, "invalid offset\n" ); -+ } -+} -+ -+/** -+ * Store the value in the register at the offset in the reg_offset -+ * attribute. -+ * -+ */ -+static ssize_t regvalue_store( struct device *_dev, -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -+ struct device_attribute *attr, -+#endif -+ const char *buf, -+ size_t count ) -+{ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ -+ volatile uint32_t * addr; -+ uint32_t val = simple_strtoul(buf, NULL, 16); -+ //dev_dbg(_dev, "Offset=0x%08x Val=0x%08x\n", otg_dev->reg_offset, val); -+ if (otg_dev->reg_offset != 0xFFFFFFFF && 0 != otg_dev->base) { -+ /* Calculate the address */ -+ addr = (uint32_t*)(otg_dev->reg_offset + -+ (uint8_t*)otg_dev->base); -+ //dev_dbg(_dev, "@0x%08x\n", (unsigned)addr); -+ dwc_write_reg32( addr, val ); -+ } -+ else { -+ dev_err(_dev, "Invalid Register Offset (0x%08x)\n", -+ otg_dev->reg_offset); -+ } -+ return count; -+} -+DEVICE_ATTR(regvalue, S_IRUGO|S_IWUSR, regvalue_show, regvalue_store); -+ -+/* -+ * Attributes -+ */ -+DWC_OTG_DEVICE_ATTR_BITFIELD_RO(mode,&(otg_dev->core_if->core_global_regs->gotgctl),(1<<20),20,"Mode"); -+DWC_OTG_DEVICE_ATTR_BITFIELD_RW(hnpcapable,&(otg_dev->core_if->core_global_regs->gusbcfg),(1<<9),9,"Mode"); -+DWC_OTG_DEVICE_ATTR_BITFIELD_RW(srpcapable,&(otg_dev->core_if->core_global_regs->gusbcfg),(1<<8),8,"Mode"); -+ -+//DWC_OTG_DEVICE_ATTR_BITFIELD_RW(buspower,&(otg_dev->core_if->core_global_regs->gotgctl),(1<<8),8,"Mode"); -+//DWC_OTG_DEVICE_ATTR_BITFIELD_RW(bussuspend,&(otg_dev->core_if->core_global_regs->gotgctl),(1<<8),8,"Mode"); -+DWC_OTG_DEVICE_ATTR_BITFIELD_RO(busconnected,otg_dev->core_if->host_if->hprt0,0x01,0,"Bus Connected"); -+ -+DWC_OTG_DEVICE_ATTR_REG32_RW(gotgctl,&(otg_dev->core_if->core_global_regs->gotgctl),"GOTGCTL"); -+DWC_OTG_DEVICE_ATTR_REG32_RW(gusbcfg,&(otg_dev->core_if->core_global_regs->gusbcfg),"GUSBCFG"); -+DWC_OTG_DEVICE_ATTR_REG32_RW(grxfsiz,&(otg_dev->core_if->core_global_regs->grxfsiz),"GRXFSIZ"); -+DWC_OTG_DEVICE_ATTR_REG32_RW(gnptxfsiz,&(otg_dev->core_if->core_global_regs->gnptxfsiz),"GNPTXFSIZ"); -+DWC_OTG_DEVICE_ATTR_REG32_RW(gpvndctl,&(otg_dev->core_if->core_global_regs->gpvndctl),"GPVNDCTL"); -+DWC_OTG_DEVICE_ATTR_REG32_RW(ggpio,&(otg_dev->core_if->core_global_regs->ggpio),"GGPIO"); -+DWC_OTG_DEVICE_ATTR_REG32_RW(guid,&(otg_dev->core_if->core_global_regs->guid),"GUID"); -+DWC_OTG_DEVICE_ATTR_REG32_RO(gsnpsid,&(otg_dev->core_if->core_global_regs->gsnpsid),"GSNPSID"); -+DWC_OTG_DEVICE_ATTR_BITFIELD_RW(devspeed,&(otg_dev->core_if->dev_if->dev_global_regs->dcfg),0x3,0,"Device Speed"); -+DWC_OTG_DEVICE_ATTR_BITFIELD_RO(enumspeed,&(otg_dev->core_if->dev_if->dev_global_regs->dsts),0x6,1,"Device Enumeration Speed"); -+ -+DWC_OTG_DEVICE_ATTR_REG32_RO(hptxfsiz,&(otg_dev->core_if->core_global_regs->hptxfsiz),"HPTXFSIZ"); -+DWC_OTG_DEVICE_ATTR_REG32_RW(hprt0,otg_dev->core_if->host_if->hprt0,"HPRT0"); -+ -+ -+/** -+ * @todo Add code to initiate the HNP. -+ */ -+/** -+ * Show the HNP status bit -+ */ -+static ssize_t hnp_show( struct device *_dev, -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -+ struct device_attribute *attr, -+#endif -+ char *buf) -+{ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ -+ gotgctl_data_t val; -+ val.d32 = dwc_read_reg32 (&(otg_dev->core_if->core_global_regs->gotgctl)); -+ return sprintf (buf, "HstNegScs = 0x%x\n", val.b.hstnegscs); -+} -+ -+/** -+ * Set the HNP Request bit -+ */ -+static ssize_t hnp_store( struct device *_dev, -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -+ struct device_attribute *attr, -+#endif -+ const char *buf, -+ size_t count ) -+{ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ -+ uint32_t in = simple_strtoul(buf, NULL, 16); -+ uint32_t *addr = (uint32_t *)&(otg_dev->core_if->core_global_regs->gotgctl); -+ gotgctl_data_t mem; -+ mem.d32 = dwc_read_reg32(addr); -+ mem.b.hnpreq = in; -+ dev_dbg(_dev, "Storing Address=0x%08x Data=0x%08x\n", (uint32_t)addr, mem.d32); -+ dwc_write_reg32(addr, mem.d32); -+ return count; -+} -+DEVICE_ATTR(hnp, 0644, hnp_show, hnp_store); -+ -+/** -+ * @todo Add code to initiate the SRP. -+ */ -+/** -+ * Show the SRP status bit -+ */ -+static ssize_t srp_show( struct device *_dev, -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -+ struct device_attribute *attr, -+#endif -+ char *buf) -+{ -+#ifndef DWC_HOST_ONLY -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ -+ gotgctl_data_t val; -+ val.d32 = dwc_read_reg32 (&(otg_dev->core_if->core_global_regs->gotgctl)); -+ return sprintf (buf, "SesReqScs = 0x%x\n", val.b.sesreqscs); -+#else -+ return sprintf(buf, "Host Only Mode!\n"); -+#endif -+} -+ -+ -+ -+/** -+ * Set the SRP Request bit -+ */ -+static ssize_t srp_store( struct device *_dev, -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -+ struct device_attribute *attr, -+#endif -+ const char *buf, -+ size_t count ) -+{ -+#ifndef DWC_HOST_ONLY -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ -+ dwc_otg_pcd_initiate_srp(otg_dev->pcd); -+#endif -+ return count; -+} -+DEVICE_ATTR(srp, 0644, srp_show, srp_store); -+ -+/** -+ * @todo Need to do more for power on/off? -+ */ -+/** -+ * Show the Bus Power status -+ */ -+static ssize_t buspower_show( struct device *_dev, -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -+ struct device_attribute *attr, -+#endif -+ char *buf) -+{ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ -+ hprt0_data_t val; -+ val.d32 = dwc_read_reg32 (otg_dev->core_if->host_if->hprt0); -+ return sprintf (buf, "Bus Power = 0x%x\n", val.b.prtpwr); -+} -+ -+ -+/** -+ * Set the Bus Power status -+ */ -+static ssize_t buspower_store( struct device *_dev, -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -+ struct device_attribute *attr, -+#endif -+ const char *buf, -+ size_t count ) -+{ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ -+ uint32_t on = simple_strtoul(buf, NULL, 16); -+ uint32_t *addr = (uint32_t *)otg_dev->core_if->host_if->hprt0; -+ hprt0_data_t mem; -+ -+ mem.d32 = dwc_read_reg32(addr); -+ mem.b.prtpwr = on; -+ -+ //dev_dbg(_dev, "Storing Address=0x%08x Data=0x%08x\n", (uint32_t)addr, mem.d32); -+ dwc_write_reg32(addr, mem.d32); -+ -+ return count; -+} -+DEVICE_ATTR(buspower, 0644, buspower_show, buspower_store); -+ -+/** -+ * @todo Need to do more for suspend? -+ */ -+/** -+ * Show the Bus Suspend status -+ */ -+static ssize_t bussuspend_show( struct device *_dev, -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -+ struct device_attribute *attr, -+#endif -+ char *buf) -+{ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ -+ hprt0_data_t val; -+ val.d32 = dwc_read_reg32 (otg_dev->core_if->host_if->hprt0); -+ return sprintf (buf, "Bus Suspend = 0x%x\n", val.b.prtsusp); -+} -+ -+/** -+ * Set the Bus Suspend status -+ */ -+static ssize_t bussuspend_store( struct device *_dev, -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -+ struct device_attribute *attr, -+#endif -+ const char *buf, -+ size_t count ) -+{ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ -+ uint32_t in = simple_strtoul(buf, NULL, 16); -+ uint32_t *addr = (uint32_t *)otg_dev->core_if->host_if->hprt0; -+ hprt0_data_t mem; -+ mem.d32 = dwc_read_reg32(addr); -+ mem.b.prtsusp = in; -+ dev_dbg(_dev, "Storing Address=0x%08x Data=0x%08x\n", (uint32_t)addr, mem.d32); -+ dwc_write_reg32(addr, mem.d32); -+ return count; -+} -+DEVICE_ATTR(bussuspend, 0644, bussuspend_show, bussuspend_store); -+ -+/** -+ * Show the status of Remote Wakeup. -+ */ -+static ssize_t remote_wakeup_show( struct device *_dev, -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -+ struct device_attribute *attr, -+#endif -+ char *buf) -+{ -+#ifndef DWC_HOST_ONLY -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ -+ dctl_data_t val; -+ val.d32 = -+ dwc_read_reg32( &otg_dev->core_if->dev_if->dev_global_regs->dctl); -+ return sprintf( buf, "Remote Wakeup = %d Enabled = %d\n", -+ val.b.rmtwkupsig, otg_dev->pcd->remote_wakeup_enable); -+#else -+ return sprintf(buf, "Host Only Mode!\n"); -+#endif -+} -+/** -+ * Initiate a remote wakeup of the host. The Device control register -+ * Remote Wakeup Signal bit is written if the PCD Remote wakeup enable -+ * flag is set. -+ * -+ */ -+static ssize_t remote_wakeup_store( struct device *_dev, -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -+ struct device_attribute *attr, -+#endif -+ const char *buf, -+ size_t count ) -+{ -+#ifndef DWC_HOST_ONLY -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ -+ uint32_t val = simple_strtoul(buf, NULL, 16); -+ if (val&1) { -+ dwc_otg_pcd_remote_wakeup(otg_dev->pcd, 1); -+ } -+ else { -+ dwc_otg_pcd_remote_wakeup(otg_dev->pcd, 0); -+ } -+#endif -+ return count; -+} -+DEVICE_ATTR(remote_wakeup, S_IRUGO|S_IWUSR, remote_wakeup_show, -+ remote_wakeup_store); -+ -+/** -+ * Dump global registers and either host or device registers (depending on the -+ * current mode of the core). -+ */ -+static ssize_t regdump_show( struct device *_dev, -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -+ struct device_attribute *attr, -+#endif -+ char *buf) -+{ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ -+ dwc_otg_dump_global_registers( otg_dev->core_if); -+ if (dwc_otg_is_host_mode(otg_dev->core_if)) { -+ dwc_otg_dump_host_registers( otg_dev->core_if); -+ } else { -+ dwc_otg_dump_dev_registers( otg_dev->core_if); -+ -+ } -+ return sprintf( buf, "Register Dump\n" ); -+} -+ -+DEVICE_ATTR(regdump, S_IRUGO|S_IWUSR, regdump_show, 0); -+ -+/** -+ * Dump global registers and either host or device registers (depending on the -+ * current mode of the core). -+ */ -+static ssize_t spramdump_show( struct device *_dev, -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -+ struct device_attribute *attr, -+#endif -+ char *buf) -+{ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ -+ dwc_otg_dump_spram( otg_dev->core_if); -+ -+ return sprintf( buf, "SPRAM Dump\n" ); -+} -+ -+DEVICE_ATTR(spramdump, S_IRUGO|S_IWUSR, spramdump_show, 0); -+ -+/** -+ * Dump the current hcd state. -+ */ -+static ssize_t hcddump_show( struct device *_dev, -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -+ struct device_attribute *attr, -+#endif -+ char *buf) -+{ -+#ifndef DWC_DEVICE_ONLY -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ -+ dwc_otg_hcd_dump_state(otg_dev->hcd); -+#endif -+ return sprintf( buf, "HCD Dump\n" ); -+} -+ -+DEVICE_ATTR(hcddump, S_IRUGO|S_IWUSR, hcddump_show, 0); -+ -+/** -+ * Dump the average frame remaining at SOF. This can be used to -+ * determine average interrupt latency. Frame remaining is also shown for -+ * start transfer and two additional sample points. -+ */ -+static ssize_t hcd_frrem_show( struct device *_dev, -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -+ struct device_attribute *attr, -+#endif -+ char *buf) -+{ -+#ifndef DWC_DEVICE_ONLY -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ -+ dwc_otg_hcd_dump_frrem(otg_dev->hcd); -+#endif -+ return sprintf( buf, "HCD Dump Frame Remaining\n" ); -+} -+ -+DEVICE_ATTR(hcd_frrem, S_IRUGO|S_IWUSR, hcd_frrem_show, 0); -+ -+/** -+ * Displays the time required to read the GNPTXFSIZ register many times (the -+ * output shows the number of times the register is read). -+ */ -+#define RW_REG_COUNT 10000000 -+#define MSEC_PER_JIFFIE 1000/HZ -+static ssize_t rd_reg_test_show( struct device *_dev, -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -+ struct device_attribute *attr, -+#endif -+ char *buf) -+{ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ -+ int i; -+ int time; -+ int start_jiffies; -+ -+ printk("HZ %d, MSEC_PER_JIFFIE %d, loops_per_jiffy %lu\n", -+ HZ, MSEC_PER_JIFFIE, loops_per_jiffy); -+ start_jiffies = jiffies; -+ for (i = 0; i < RW_REG_COUNT; i++) { -+ dwc_read_reg32(&otg_dev->core_if->core_global_regs->gnptxfsiz); -+ } -+ time = jiffies - start_jiffies; -+ return sprintf( buf, "Time to read GNPTXFSIZ reg %d times: %d msecs (%d jiffies)\n", -+ RW_REG_COUNT, time * MSEC_PER_JIFFIE, time ); -+} -+ -+DEVICE_ATTR(rd_reg_test, S_IRUGO|S_IWUSR, rd_reg_test_show, 0); -+ -+/** -+ * Displays the time required to write the GNPTXFSIZ register many times (the -+ * output shows the number of times the register is written). -+ */ -+static ssize_t wr_reg_test_show( struct device *_dev, -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -+ struct device_attribute *attr, -+#endif -+ char *buf) -+{ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev); -+ -+ uint32_t reg_val; -+ int i; -+ int time; -+ int start_jiffies; -+ -+ printk("HZ %d, MSEC_PER_JIFFIE %d, loops_per_jiffy %lu\n", -+ HZ, MSEC_PER_JIFFIE, loops_per_jiffy); -+ reg_val = dwc_read_reg32(&otg_dev->core_if->core_global_regs->gnptxfsiz); -+ start_jiffies = jiffies; -+ for (i = 0; i < RW_REG_COUNT; i++) { -+ dwc_write_reg32(&otg_dev->core_if->core_global_regs->gnptxfsiz, reg_val); -+ } -+ time = jiffies - start_jiffies; -+ return sprintf( buf, "Time to write GNPTXFSIZ reg %d times: %d msecs (%d jiffies)\n", -+ RW_REG_COUNT, time * MSEC_PER_JIFFIE, time); -+} -+ -+DEVICE_ATTR(wr_reg_test, S_IRUGO|S_IWUSR, wr_reg_test_show, 0); -+/**@}*/ -+ -+/** -+ * Create the device files -+ */ -+void dwc_otg_attr_create (struct device *dev) -+{ -+ int error; -+ -+ error = device_create_file(dev, &dev_attr_regoffset); -+ error = device_create_file(dev, &dev_attr_regvalue); -+ error = device_create_file(dev, &dev_attr_mode); -+ error = device_create_file(dev, &dev_attr_hnpcapable); -+ error = device_create_file(dev, &dev_attr_srpcapable); -+ error = device_create_file(dev, &dev_attr_hnp); -+ error = device_create_file(dev, &dev_attr_srp); -+ error = device_create_file(dev, &dev_attr_buspower); -+ error = device_create_file(dev, &dev_attr_bussuspend); -+ error = device_create_file(dev, &dev_attr_busconnected); -+ error = device_create_file(dev, &dev_attr_gotgctl); -+ error = device_create_file(dev, &dev_attr_gusbcfg); -+ error = device_create_file(dev, &dev_attr_grxfsiz); -+ error = device_create_file(dev, &dev_attr_gnptxfsiz); -+ error = device_create_file(dev, &dev_attr_gpvndctl); -+ error = device_create_file(dev, &dev_attr_ggpio); -+ error = device_create_file(dev, &dev_attr_guid); -+ error = device_create_file(dev, &dev_attr_gsnpsid); -+ error = device_create_file(dev, &dev_attr_devspeed); -+ error = device_create_file(dev, &dev_attr_enumspeed); -+ error = device_create_file(dev, &dev_attr_hptxfsiz); -+ error = device_create_file(dev, &dev_attr_hprt0); -+ error = device_create_file(dev, &dev_attr_remote_wakeup); -+ error = device_create_file(dev, &dev_attr_regdump); -+ error = device_create_file(dev, &dev_attr_spramdump); -+ error = device_create_file(dev, &dev_attr_hcddump); -+ error = device_create_file(dev, &dev_attr_hcd_frrem); -+ error = device_create_file(dev, &dev_attr_rd_reg_test); -+ error = device_create_file(dev, &dev_attr_wr_reg_test); -+} -+ -+/** -+ * Remove the device files -+ */ -+void dwc_otg_attr_remove (struct device *dev) -+{ -+ device_remove_file(dev, &dev_attr_regoffset); -+ device_remove_file(dev, &dev_attr_regvalue); -+ device_remove_file(dev, &dev_attr_mode); -+ device_remove_file(dev, &dev_attr_hnpcapable); -+ device_remove_file(dev, &dev_attr_srpcapable); -+ device_remove_file(dev, &dev_attr_hnp); -+ device_remove_file(dev, &dev_attr_srp); -+ device_remove_file(dev, &dev_attr_buspower); -+ device_remove_file(dev, &dev_attr_bussuspend); -+ device_remove_file(dev, &dev_attr_busconnected); -+ device_remove_file(dev, &dev_attr_gotgctl); -+ device_remove_file(dev, &dev_attr_gusbcfg); -+ device_remove_file(dev, &dev_attr_grxfsiz); -+ device_remove_file(dev, &dev_attr_gnptxfsiz); -+ device_remove_file(dev, &dev_attr_gpvndctl); -+ device_remove_file(dev, &dev_attr_ggpio); -+ device_remove_file(dev, &dev_attr_guid); -+ device_remove_file(dev, &dev_attr_gsnpsid); -+ device_remove_file(dev, &dev_attr_devspeed); -+ device_remove_file(dev, &dev_attr_enumspeed); -+ device_remove_file(dev, &dev_attr_hptxfsiz); -+ device_remove_file(dev, &dev_attr_hprt0); -+ device_remove_file(dev, &dev_attr_remote_wakeup); -+ device_remove_file(dev, &dev_attr_regdump); -+ device_remove_file(dev, &dev_attr_spramdump); -+ device_remove_file(dev, &dev_attr_hcddump); -+ device_remove_file(dev, &dev_attr_hcd_frrem); -+ device_remove_file(dev, &dev_attr_rd_reg_test); -+ device_remove_file(dev, &dev_attr_wr_reg_test); -+} ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_attr.h -@@ -0,0 +1,67 @@ -+/* ========================================================================== -+ * $File: //dwh/usb_iip/dev/software/otg/linux/drivers/dwc_otg_attr.h $ -+ * $Revision: 1.2 $ -+ * $Date: 2008-11-21 05:39:15 $ -+ * $Change: 477051 $ -+ * -+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, -+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless -+ * otherwise expressly agreed to in writing between Synopsys and you. -+ * -+ * The Software IS NOT an item of Licensed Software or Licensed Product under -+ * any End User Software License Agreement or Agreement for Licensed Product -+ * with Synopsys or any supplement thereto. You are permitted to use and -+ * redistribute this Software in source and binary forms, with or without -+ * modification, provided that redistributions of source code must retain this -+ * notice. You may not view, use, disclose, copy or distribute this file or -+ * any information contained herein except pursuant to this license grant from -+ * Synopsys. If you do not agree with this notice, including the disclaimer -+ * below, then you are not authorized to use the Software. -+ * -+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS -+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, -+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH -+ * DAMAGE. -+ * ========================================================================== */ -+ -+#if !defined(__DWC_OTG_ATTR_H__) -+#define __DWC_OTG_ATTR_H__ -+ -+/** @file -+ * This file contains the interface to the Linux device attributes. -+ */ -+extern struct device_attribute dev_attr_regoffset; -+extern struct device_attribute dev_attr_regvalue; -+ -+extern struct device_attribute dev_attr_mode; -+extern struct device_attribute dev_attr_hnpcapable; -+extern struct device_attribute dev_attr_srpcapable; -+extern struct device_attribute dev_attr_hnp; -+extern struct device_attribute dev_attr_srp; -+extern struct device_attribute dev_attr_buspower; -+extern struct device_attribute dev_attr_bussuspend; -+extern struct device_attribute dev_attr_busconnected; -+extern struct device_attribute dev_attr_gotgctl; -+extern struct device_attribute dev_attr_gusbcfg; -+extern struct device_attribute dev_attr_grxfsiz; -+extern struct device_attribute dev_attr_gnptxfsiz; -+extern struct device_attribute dev_attr_gpvndctl; -+extern struct device_attribute dev_attr_ggpio; -+extern struct device_attribute dev_attr_guid; -+extern struct device_attribute dev_attr_gsnpsid; -+extern struct device_attribute dev_attr_devspeed; -+extern struct device_attribute dev_attr_enumspeed; -+extern struct device_attribute dev_attr_hptxfsiz; -+extern struct device_attribute dev_attr_hprt0; -+ -+void dwc_otg_attr_create (struct device *dev); -+void dwc_otg_attr_remove (struct device *dev); -+ -+#endif ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_cil.c -@@ -0,0 +1,3692 @@ -+/* ========================================================================== -+ * $File: //dwh/usb_iip/dev/software/otg/linux/drivers/dwc_otg_cil.c $ -+ * $Revision: 1.7 $ -+ * $Date: 2008-12-22 11:43:05 $ -+ * $Change: 1117667 $ -+ * -+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, -+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless -+ * otherwise expressly agreed to in writing between Synopsys and you. -+ * -+ * The Software IS NOT an item of Licensed Software or Licensed Product under -+ * any End User Software License Agreement or Agreement for Licensed Product -+ * with Synopsys or any supplement thereto. You are permitted to use and -+ * redistribute this Software in source and binary forms, with or without -+ * modification, provided that redistributions of source code must retain this -+ * notice. You may not view, use, disclose, copy or distribute this file or -+ * any information contained herein except pursuant to this license grant from -+ * Synopsys. If you do not agree with this notice, including the disclaimer -+ * below, then you are not authorized to use the Software. -+ * -+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS -+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, -+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH -+ * DAMAGE. -+ * ========================================================================== */ -+ -+/** @file -+ * -+ * The Core Interface Layer provides basic services for accessing and -+ * managing the DWC_otg hardware. These services are used by both the -+ * Host Controller Driver and the Peripheral Controller Driver. -+ * -+ * The CIL manages the memory map for the core so that the HCD and PCD -+ * don't have to do this separately. It also handles basic tasks like -+ * reading/writing the registers and data FIFOs in the controller. -+ * Some of the data access functions provide encapsulation of several -+ * operations required to perform a task, such as writing multiple -+ * registers to start a transfer. Finally, the CIL performs basic -+ * services that are not specific to either the host or device modes -+ * of operation. These services include management of the OTG Host -+ * Negotiation Protocol (HNP) and Session Request Protocol (SRP). A -+ * Diagnostic API is also provided to allow testing of the controller -+ * hardware. -+ * -+ * The Core Interface Layer has the following requirements: -+ * - Provides basic controller operations. -+ * - Minimal use of OS services. -+ * - The OS services used will be abstracted by using inline functions -+ * or macros. -+ * -+ */ -+#include <asm/unaligned.h> -+#include <linux/dma-mapping.h> -+#ifdef DEBUG -+#include <linux/jiffies.h> -+#endif -+ -+#include "linux/dwc_otg_plat.h" -+#include "dwc_otg_regs.h" -+#include "dwc_otg_cil.h" -+ -+/* Included only to access hc->qh for non-dword buffer handling -+ * TODO: account it -+ */ -+#include "dwc_otg_hcd.h" -+ -+/** -+ * This function is called to initialize the DWC_otg CSR data -+ * structures. The register addresses in the device and host -+ * structures are initialized from the base address supplied by the -+ * caller. The calling function must make the OS calls to get the -+ * base address of the DWC_otg controller registers. The core_params -+ * argument holds the parameters that specify how the core should be -+ * configured. -+ * -+ * @param[in] reg_base_addr Base address of DWC_otg core registers -+ * @param[in] core_params Pointer to the core configuration parameters -+ * -+ */ -+dwc_otg_core_if_t *dwc_otg_cil_init(const uint32_t *reg_base_addr, -+ dwc_otg_core_params_t *core_params) -+{ -+ dwc_otg_core_if_t *core_if = 0; -+ dwc_otg_dev_if_t *dev_if = 0; -+ dwc_otg_host_if_t *host_if = 0; -+ uint8_t *reg_base = (uint8_t *)reg_base_addr; -+ int i = 0; -+ -+ DWC_DEBUGPL(DBG_CILV, "%s(%p,%p)\n", __func__, reg_base_addr, core_params); -+ -+ core_if = kmalloc(sizeof(dwc_otg_core_if_t), GFP_KERNEL); -+ -+ if (core_if == 0) { -+ DWC_DEBUGPL(DBG_CIL, "Allocation of dwc_otg_core_if_t failed\n"); -+ return 0; -+ } -+ -+ memset(core_if, 0, sizeof(dwc_otg_core_if_t)); -+ -+ core_if->core_params = core_params; -+ core_if->core_global_regs = (dwc_otg_core_global_regs_t *)reg_base; -+ -+ /* -+ * Allocate the Device Mode structures. -+ */ -+ dev_if = kmalloc(sizeof(dwc_otg_dev_if_t), GFP_KERNEL); -+ -+ if (dev_if == 0) { -+ DWC_DEBUGPL(DBG_CIL, "Allocation of dwc_otg_dev_if_t failed\n"); -+ kfree(core_if); -+ return 0; -+ } -+ -+ dev_if->dev_global_regs = -+ (dwc_otg_device_global_regs_t *)(reg_base + DWC_DEV_GLOBAL_REG_OFFSET); -+ -+ for (i=0; i<MAX_EPS_CHANNELS; i++) -+ { -+ dev_if->in_ep_regs[i] = (dwc_otg_dev_in_ep_regs_t *) -+ (reg_base + DWC_DEV_IN_EP_REG_OFFSET + -+ (i * DWC_EP_REG_OFFSET)); -+ -+ dev_if->out_ep_regs[i] = (dwc_otg_dev_out_ep_regs_t *) -+ (reg_base + DWC_DEV_OUT_EP_REG_OFFSET + -+ (i * DWC_EP_REG_OFFSET)); -+ DWC_DEBUGPL(DBG_CILV, "in_ep_regs[%d]->diepctl=%p\n", -+ i, &dev_if->in_ep_regs[i]->diepctl); -+ DWC_DEBUGPL(DBG_CILV, "out_ep_regs[%d]->doepctl=%p\n", -+ i, &dev_if->out_ep_regs[i]->doepctl); -+ } -+ -+ dev_if->speed = 0; // unknown -+ -+ core_if->dev_if = dev_if; -+ -+ /* -+ * Allocate the Host Mode structures. -+ */ -+ host_if = kmalloc(sizeof(dwc_otg_host_if_t), GFP_KERNEL); -+ -+ if (host_if == 0) { -+ DWC_DEBUGPL(DBG_CIL, "Allocation of dwc_otg_host_if_t failed\n"); -+ kfree(dev_if); -+ kfree(core_if); -+ return 0; -+ } -+ -+ host_if->host_global_regs = (dwc_otg_host_global_regs_t *) -+ (reg_base + DWC_OTG_HOST_GLOBAL_REG_OFFSET); -+ -+ host_if->hprt0 = (uint32_t*)(reg_base + DWC_OTG_HOST_PORT_REGS_OFFSET); -+ -+ for (i=0; i<MAX_EPS_CHANNELS; i++) -+ { -+ host_if->hc_regs[i] = (dwc_otg_hc_regs_t *) -+ (reg_base + DWC_OTG_HOST_CHAN_REGS_OFFSET + -+ (i * DWC_OTG_CHAN_REGS_OFFSET)); -+ DWC_DEBUGPL(DBG_CILV, "hc_reg[%d]->hcchar=%p\n", -+ i, &host_if->hc_regs[i]->hcchar); -+ } -+ -+ host_if->num_host_channels = MAX_EPS_CHANNELS; -+ core_if->host_if = host_if; -+ -+ for (i=0; i<MAX_EPS_CHANNELS; i++) -+ { -+ core_if->data_fifo[i] = -+ (uint32_t *)(reg_base + DWC_OTG_DATA_FIFO_OFFSET + -+ (i * DWC_OTG_DATA_FIFO_SIZE)); -+ DWC_DEBUGPL(DBG_CILV, "data_fifo[%d]=0x%08x\n", -+ i, (unsigned)core_if->data_fifo[i]); -+ } -+ -+ core_if->pcgcctl = (uint32_t*)(reg_base + DWC_OTG_PCGCCTL_OFFSET); -+ -+ /* -+ * Store the contents of the hardware configuration registers here for -+ * easy access later. -+ */ -+ core_if->hwcfg1.d32 = dwc_read_reg32(&core_if->core_global_regs->ghwcfg1); -+ core_if->hwcfg2.d32 = dwc_read_reg32(&core_if->core_global_regs->ghwcfg2); -+ core_if->hwcfg3.d32 = dwc_read_reg32(&core_if->core_global_regs->ghwcfg3); -+ core_if->hwcfg4.d32 = dwc_read_reg32(&core_if->core_global_regs->ghwcfg4); -+ -+ DWC_DEBUGPL(DBG_CILV,"hwcfg1=%08x\n",core_if->hwcfg1.d32); -+ DWC_DEBUGPL(DBG_CILV,"hwcfg2=%08x\n",core_if->hwcfg2.d32); -+ DWC_DEBUGPL(DBG_CILV,"hwcfg3=%08x\n",core_if->hwcfg3.d32); -+ DWC_DEBUGPL(DBG_CILV,"hwcfg4=%08x\n",core_if->hwcfg4.d32); -+ -+ core_if->hcfg.d32 = dwc_read_reg32(&core_if->host_if->host_global_regs->hcfg); -+ core_if->dcfg.d32 = dwc_read_reg32(&core_if->dev_if->dev_global_regs->dcfg); -+ -+ DWC_DEBUGPL(DBG_CILV,"hcfg=%08x\n",core_if->hcfg.d32); -+ DWC_DEBUGPL(DBG_CILV,"dcfg=%08x\n",core_if->dcfg.d32); -+ -+ DWC_DEBUGPL(DBG_CILV,"op_mode=%0x\n",core_if->hwcfg2.b.op_mode); -+ DWC_DEBUGPL(DBG_CILV,"arch=%0x\n",core_if->hwcfg2.b.architecture); -+ DWC_DEBUGPL(DBG_CILV,"num_dev_ep=%d\n",core_if->hwcfg2.b.num_dev_ep); -+ DWC_DEBUGPL(DBG_CILV,"num_host_chan=%d\n",core_if->hwcfg2.b.num_host_chan); -+ DWC_DEBUGPL(DBG_CILV,"nonperio_tx_q_depth=0x%0x\n",core_if->hwcfg2.b.nonperio_tx_q_depth); -+ DWC_DEBUGPL(DBG_CILV,"host_perio_tx_q_depth=0x%0x\n",core_if->hwcfg2.b.host_perio_tx_q_depth); -+ DWC_DEBUGPL(DBG_CILV,"dev_token_q_depth=0x%0x\n",core_if->hwcfg2.b.dev_token_q_depth); -+ -+ DWC_DEBUGPL(DBG_CILV,"Total FIFO SZ=%d\n", core_if->hwcfg3.b.dfifo_depth); -+ DWC_DEBUGPL(DBG_CILV,"xfer_size_cntr_width=%0x\n", core_if->hwcfg3.b.xfer_size_cntr_width); -+ -+ /* -+ * Set the SRP sucess bit for FS-I2c -+ */ -+ core_if->srp_success = 0; -+ core_if->srp_timer_started = 0; -+ -+ -+ /* -+ * Create new workqueue and init works -+ */ -+ core_if->wq_otg = create_singlethread_workqueue("dwc_otg"); -+ if(core_if->wq_otg == 0) { -+ DWC_DEBUGPL(DBG_CIL, "Creation of wq_otg failed\n"); -+ kfree(host_if); -+ kfree(dev_if); -+ kfree(core_if); -+ return 0 * HZ; -+ } -+ -+ -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) -+ -+ INIT_WORK(&core_if->w_conn_id, w_conn_id_status_change, core_if); -+ INIT_WORK(&core_if->w_wkp, w_wakeup_detected, core_if); -+ -+#else -+ -+ INIT_WORK(&core_if->w_conn_id, w_conn_id_status_change); -+ INIT_DELAYED_WORK(&core_if->w_wkp, w_wakeup_detected); -+ -+#endif -+ return core_if; -+} -+ -+/** -+ * This function frees the structures allocated by dwc_otg_cil_init(). -+ * -+ * @param[in] core_if The core interface pointer returned from -+ * dwc_otg_cil_init(). -+ * -+ */ -+void dwc_otg_cil_remove(dwc_otg_core_if_t *core_if) -+{ -+ /* Disable all interrupts */ -+ dwc_modify_reg32(&core_if->core_global_regs->gahbcfg, 1, 0); -+ dwc_write_reg32(&core_if->core_global_regs->gintmsk, 0); -+ -+ if (core_if->wq_otg) { -+ destroy_workqueue(core_if->wq_otg); -+ } -+ if (core_if->dev_if) { -+ kfree(core_if->dev_if); -+ } -+ if (core_if->host_if) { -+ kfree(core_if->host_if); -+ } -+ kfree(core_if); -+} -+ -+/** -+ * This function enables the controller's Global Interrupt in the AHB Config -+ * register. -+ * -+ * @param[in] core_if Programming view of DWC_otg controller. -+ */ -+void dwc_otg_enable_global_interrupts(dwc_otg_core_if_t *core_if) -+{ -+ gahbcfg_data_t ahbcfg = { .d32 = 0}; -+ ahbcfg.b.glblintrmsk = 1; /* Enable interrupts */ -+ dwc_modify_reg32(&core_if->core_global_regs->gahbcfg, 0, ahbcfg.d32); -+} -+ -+/** -+ * This function disables the controller's Global Interrupt in the AHB Config -+ * register. -+ * -+ * @param[in] core_if Programming view of DWC_otg controller. -+ */ -+void dwc_otg_disable_global_interrupts(dwc_otg_core_if_t *core_if) -+{ -+ gahbcfg_data_t ahbcfg = { .d32 = 0}; -+ ahbcfg.b.glblintrmsk = 1; /* Enable interrupts */ -+ dwc_modify_reg32(&core_if->core_global_regs->gahbcfg, ahbcfg.d32, 0); -+} -+ -+/** -+ * This function initializes the commmon interrupts, used in both -+ * device and host modes. -+ * -+ * @param[in] core_if Programming view of the DWC_otg controller -+ * -+ */ -+static void dwc_otg_enable_common_interrupts(dwc_otg_core_if_t *core_if) -+{ -+ dwc_otg_core_global_regs_t *global_regs = -+ core_if->core_global_regs; -+ gintmsk_data_t intr_mask = { .d32 = 0}; -+ -+ /* Clear any pending OTG Interrupts */ -+ dwc_write_reg32(&global_regs->gotgint, 0xFFFFFFFF); -+ -+ /* Clear any pending interrupts */ -+ dwc_write_reg32(&global_regs->gintsts, 0xFFFFFFFF); -+ -+ /* -+ * Enable the interrupts in the GINTMSK. -+ */ -+ intr_mask.b.modemismatch = 1; -+ intr_mask.b.otgintr = 1; -+ -+ if (!core_if->dma_enable) { -+ intr_mask.b.rxstsqlvl = 1; -+ } -+ -+ intr_mask.b.conidstschng = 1; -+ intr_mask.b.wkupintr = 1; -+ intr_mask.b.disconnect = 1; -+ intr_mask.b.usbsuspend = 1; -+ intr_mask.b.sessreqintr = 1; -+ dwc_write_reg32(&global_regs->gintmsk, intr_mask.d32); -+} -+ -+/** -+ * Initializes the FSLSPClkSel field of the HCFG register depending on the PHY -+ * type. -+ */ -+static void init_fslspclksel(dwc_otg_core_if_t *core_if) -+{ -+ uint32_t val; -+ hcfg_data_t hcfg; -+ -+ if (((core_if->hwcfg2.b.hs_phy_type == 2) && -+ (core_if->hwcfg2.b.fs_phy_type == 1) && -+ (core_if->core_params->ulpi_fs_ls)) || -+ (core_if->core_params->phy_type == DWC_PHY_TYPE_PARAM_FS)) { -+ /* Full speed PHY */ -+ val = DWC_HCFG_48_MHZ; -+ } -+ else { -+ /* High speed PHY running at full speed or high speed */ -+ val = DWC_HCFG_30_60_MHZ; -+ } -+ -+ DWC_DEBUGPL(DBG_CIL, "Initializing HCFG.FSLSPClkSel to 0x%1x\n", val); -+ hcfg.d32 = dwc_read_reg32(&core_if->host_if->host_global_regs->hcfg); -+ hcfg.b.fslspclksel = val; -+ dwc_write_reg32(&core_if->host_if->host_global_regs->hcfg, hcfg.d32); -+} -+ -+/** -+ * Initializes the DevSpd field of the DCFG register depending on the PHY type -+ * and the enumeration speed of the device. -+ */ -+static void init_devspd(dwc_otg_core_if_t *core_if) -+{ -+ uint32_t val; -+ dcfg_data_t dcfg; -+ -+ if (((core_if->hwcfg2.b.hs_phy_type == 2) && -+ (core_if->hwcfg2.b.fs_phy_type == 1) && -+ (core_if->core_params->ulpi_fs_ls)) || -+ (core_if->core_params->phy_type == DWC_PHY_TYPE_PARAM_FS)) { -+ /* Full speed PHY */ -+ val = 0x3; -+ } -+ else if (core_if->core_params->speed == DWC_SPEED_PARAM_FULL) { -+ /* High speed PHY running at full speed */ -+ val = 0x1; -+ } -+ else { -+ /* High speed PHY running at high speed */ -+ val = 0x0; -+ } -+ -+ DWC_DEBUGPL(DBG_CIL, "Initializing DCFG.DevSpd to 0x%1x\n", val); -+ -+ dcfg.d32 = dwc_read_reg32(&core_if->dev_if->dev_global_regs->dcfg); -+ dcfg.b.devspd = val; -+ dwc_write_reg32(&core_if->dev_if->dev_global_regs->dcfg, dcfg.d32); -+} -+ -+/** -+ * This function calculates the number of IN EPS -+ * using GHWCFG1 and GHWCFG2 registers values -+ * -+ * @param core_if Programming view of the DWC_otg controller -+ */ -+static uint32_t calc_num_in_eps(dwc_otg_core_if_t *core_if) -+{ -+ uint32_t num_in_eps = 0; -+ uint32_t num_eps = core_if->hwcfg2.b.num_dev_ep; -+ uint32_t hwcfg1 = core_if->hwcfg1.d32 >> 3; -+ uint32_t num_tx_fifos = core_if->hwcfg4.b.num_in_eps; -+ int i; -+ -+ -+ for(i = 0; i < num_eps; ++i) -+ { -+ if(!(hwcfg1 & 0x1)) -+ num_in_eps++; -+ -+ hwcfg1 >>= 2; -+ } -+ -+ if(core_if->hwcfg4.b.ded_fifo_en) { -+ num_in_eps = (num_in_eps > num_tx_fifos) ? num_tx_fifos : num_in_eps; -+ } -+ -+ return num_in_eps; -+} -+ -+ -+/** -+ * This function calculates the number of OUT EPS -+ * using GHWCFG1 and GHWCFG2 registers values -+ * -+ * @param core_if Programming view of the DWC_otg controller -+ */ -+static uint32_t calc_num_out_eps(dwc_otg_core_if_t *core_if) -+{ -+ uint32_t num_out_eps = 0; -+ uint32_t num_eps = core_if->hwcfg2.b.num_dev_ep; -+ uint32_t hwcfg1 = core_if->hwcfg1.d32 >> 2; -+ int i; -+ -+ for(i = 0; i < num_eps; ++i) -+ { -+ if(!(hwcfg1 & 0x2)) -+ num_out_eps++; -+ -+ hwcfg1 >>= 2; -+ } -+ return num_out_eps; -+} -+/** -+ * This function initializes the DWC_otg controller registers and -+ * prepares the core for device mode or host mode operation. -+ * -+ * @param core_if Programming view of the DWC_otg controller -+ * -+ */ -+void dwc_otg_core_init(dwc_otg_core_if_t *core_if) -+{ -+ int i = 0; -+ dwc_otg_core_global_regs_t *global_regs = -+ core_if->core_global_regs; -+ dwc_otg_dev_if_t *dev_if = core_if->dev_if; -+ gahbcfg_data_t ahbcfg = { .d32 = 0 }; -+ gusbcfg_data_t usbcfg = { .d32 = 0 }; -+ gi2cctl_data_t i2cctl = { .d32 = 0 }; -+ -+ DWC_DEBUGPL(DBG_CILV, "dwc_otg_core_init(%p)\n", core_if); -+ -+ /* Common Initialization */ -+ -+ usbcfg.d32 = dwc_read_reg32(&global_regs->gusbcfg); -+ -+// usbcfg.b.tx_end_delay = 1; -+ /* Program the ULPI External VBUS bit if needed */ -+ usbcfg.b.ulpi_ext_vbus_drv = -+ (core_if->core_params->phy_ulpi_ext_vbus == DWC_PHY_ULPI_EXTERNAL_VBUS) ? 1 : 0; -+ -+ /* Set external TS Dline pulsing */ -+ usbcfg.b.term_sel_dl_pulse = (core_if->core_params->ts_dline == 1) ? 1 : 0; -+ dwc_write_reg32 (&global_regs->gusbcfg, usbcfg.d32); -+ -+ -+ /* Reset the Controller */ -+ dwc_otg_core_reset(core_if); -+ -+ /* Initialize parameters from Hardware configuration registers. */ -+ dev_if->num_in_eps = calc_num_in_eps(core_if); -+ dev_if->num_out_eps = calc_num_out_eps(core_if); -+ -+ -+ DWC_DEBUGPL(DBG_CIL, "num_dev_perio_in_ep=%d\n", core_if->hwcfg4.b.num_dev_perio_in_ep); -+ -+ for (i=0; i < core_if->hwcfg4.b.num_dev_perio_in_ep; i++) -+ { -+ dev_if->perio_tx_fifo_size[i] = -+ dwc_read_reg32(&global_regs->dptxfsiz_dieptxf[i]) >> 16; -+ DWC_DEBUGPL(DBG_CIL, "Periodic Tx FIFO SZ #%d=0x%0x\n", -+ i, dev_if->perio_tx_fifo_size[i]); -+ } -+ -+ for (i=0; i < core_if->hwcfg4.b.num_in_eps; i++) -+ { -+ dev_if->tx_fifo_size[i] = -+ dwc_read_reg32(&global_regs->dptxfsiz_dieptxf[i]) >> 16; -+ DWC_DEBUGPL(DBG_CIL, "Tx FIFO SZ #%d=0x%0x\n", -+ i, dev_if->perio_tx_fifo_size[i]); -+ } -+ -+ core_if->total_fifo_size = core_if->hwcfg3.b.dfifo_depth; -+ core_if->rx_fifo_size = -+ dwc_read_reg32(&global_regs->grxfsiz); -+ core_if->nperio_tx_fifo_size = -+ dwc_read_reg32(&global_regs->gnptxfsiz) >> 16; -+ -+ DWC_DEBUGPL(DBG_CIL, "Total FIFO SZ=%d\n", core_if->total_fifo_size); -+ DWC_DEBUGPL(DBG_CIL, "Rx FIFO SZ=%d\n", core_if->rx_fifo_size); -+ DWC_DEBUGPL(DBG_CIL, "NP Tx FIFO SZ=%d\n", core_if->nperio_tx_fifo_size); -+ -+ /* This programming sequence needs to happen in FS mode before any other -+ * programming occurs */ -+ if ((core_if->core_params->speed == DWC_SPEED_PARAM_FULL) && -+ (core_if->core_params->phy_type == DWC_PHY_TYPE_PARAM_FS)) { -+ /* If FS mode with FS PHY */ -+ -+ /* core_init() is now called on every switch so only call the -+ * following for the first time through. */ -+ if (!core_if->phy_init_done) { -+ core_if->phy_init_done = 1; -+ DWC_DEBUGPL(DBG_CIL, "FS_PHY detected\n"); -+ usbcfg.d32 = dwc_read_reg32(&global_regs->gusbcfg); -+ usbcfg.b.physel = 1; -+ dwc_write_reg32 (&global_regs->gusbcfg, usbcfg.d32); -+ -+ /* Reset after a PHY select */ -+ dwc_otg_core_reset(core_if); -+ } -+ -+ /* Program DCFG.DevSpd or HCFG.FSLSPclkSel to 48Mhz in FS. Also -+ * do this on HNP Dev/Host mode switches (done in dev_init and -+ * host_init). */ -+ if (dwc_otg_is_host_mode(core_if)) { -+ init_fslspclksel(core_if); -+ } -+ else { -+ init_devspd(core_if); -+ } -+ -+ if (core_if->core_params->i2c_enable) { -+ DWC_DEBUGPL(DBG_CIL, "FS_PHY Enabling I2c\n"); -+ /* Program GUSBCFG.OtgUtmifsSel to I2C */ -+ usbcfg.d32 = dwc_read_reg32(&global_regs->gusbcfg); -+ usbcfg.b.otgutmifssel = 1; -+ dwc_write_reg32 (&global_regs->gusbcfg, usbcfg.d32); -+ -+ /* Program GI2CCTL.I2CEn */ -+ i2cctl.d32 = dwc_read_reg32(&global_regs->gi2cctl); -+ i2cctl.b.i2cdevaddr = 1; -+ i2cctl.b.i2cen = 0; -+ dwc_write_reg32 (&global_regs->gi2cctl, i2cctl.d32); -+ i2cctl.b.i2cen = 1; -+ dwc_write_reg32 (&global_regs->gi2cctl, i2cctl.d32); -+ } -+ -+ } /* endif speed == DWC_SPEED_PARAM_FULL */ -+ -+ else { -+ /* High speed PHY. */ -+ if (!core_if->phy_init_done) { -+ core_if->phy_init_done = 1; -+ /* HS PHY parameters. These parameters are preserved -+ * during soft reset so only program the first time. Do -+ * a soft reset immediately after setting phyif. */ -+ usbcfg.b.ulpi_utmi_sel = core_if->core_params->phy_type; -+ if (usbcfg.b.ulpi_utmi_sel == 1) { -+ /* ULPI interface */ -+ usbcfg.b.phyif = 0; -+ usbcfg.b.ddrsel = core_if->core_params->phy_ulpi_ddr; -+ } -+ else { -+ /* UTMI+ interface */ -+ if (core_if->core_params->phy_utmi_width == 16) { -+ usbcfg.b.phyif = 1; -+ } -+ else { -+ usbcfg.b.phyif = 0; -+ } -+ } -+ -+ dwc_write_reg32(&global_regs->gusbcfg, usbcfg.d32); -+ -+ /* Reset after setting the PHY parameters */ -+ dwc_otg_core_reset(core_if); -+ } -+ } -+ -+ if ((core_if->hwcfg2.b.hs_phy_type == 2) && -+ (core_if->hwcfg2.b.fs_phy_type == 1) && -+ (core_if->core_params->ulpi_fs_ls)) { -+ DWC_DEBUGPL(DBG_CIL, "Setting ULPI FSLS\n"); -+ usbcfg.d32 = dwc_read_reg32(&global_regs->gusbcfg); -+ usbcfg.b.ulpi_fsls = 1; -+ usbcfg.b.ulpi_clk_sus_m = 1; -+ dwc_write_reg32(&global_regs->gusbcfg, usbcfg.d32); -+ } -+ else { -+ usbcfg.d32 = dwc_read_reg32(&global_regs->gusbcfg); -+ usbcfg.b.ulpi_fsls = 0; -+ usbcfg.b.ulpi_clk_sus_m = 0; -+ dwc_write_reg32(&global_regs->gusbcfg, usbcfg.d32); -+ } -+ -+ /* Program the GAHBCFG Register.*/ -+ switch (core_if->hwcfg2.b.architecture) { -+ -+ case DWC_SLAVE_ONLY_ARCH: -+ DWC_DEBUGPL(DBG_CIL, "Slave Only Mode\n"); -+ ahbcfg.b.nptxfemplvl_txfemplvl = DWC_GAHBCFG_TXFEMPTYLVL_HALFEMPTY; -+ ahbcfg.b.ptxfemplvl = DWC_GAHBCFG_TXFEMPTYLVL_HALFEMPTY; -+ core_if->dma_enable = 0; -+ core_if->dma_desc_enable = 0; -+ break; -+ -+ case DWC_EXT_DMA_ARCH: -+ DWC_DEBUGPL(DBG_CIL, "External DMA Mode\n"); -+ ahbcfg.b.hburstlen = core_if->core_params->dma_burst_size; -+ core_if->dma_enable = (core_if->core_params->dma_enable != 0); -+ core_if->dma_desc_enable = (core_if->core_params->dma_desc_enable != 0); -+ break; -+ -+ case DWC_INT_DMA_ARCH: -+ DWC_DEBUGPL(DBG_CIL, "Internal DMA Mode\n"); -+ ahbcfg.b.hburstlen = DWC_GAHBCFG_INT_DMA_BURST_INCR; -+ core_if->dma_enable = (core_if->core_params->dma_enable != 0); -+ core_if->dma_desc_enable = (core_if->core_params->dma_desc_enable != 0); -+ break; -+ -+ } -+ ahbcfg.b.dmaenable = core_if->dma_enable; -+ dwc_write_reg32(&global_regs->gahbcfg, ahbcfg.d32); -+ -+ core_if->en_multiple_tx_fifo = core_if->hwcfg4.b.ded_fifo_en; -+ -+ core_if->pti_enh_enable = core_if->core_params->pti_enable != 0; -+ core_if->multiproc_int_enable = core_if->core_params->mpi_enable; -+ DWC_PRINT("Periodic Transfer Interrupt Enhancement - %s\n", ((core_if->pti_enh_enable) ? "enabled": "disabled")); -+ DWC_PRINT("Multiprocessor Interrupt Enhancement - %s\n", ((core_if->multiproc_int_enable) ? "enabled": "disabled")); -+ -+ /* -+ * Program the GUSBCFG register. -+ */ -+ usbcfg.d32 = dwc_read_reg32(&global_regs->gusbcfg); -+ -+ switch (core_if->hwcfg2.b.op_mode) { -+ case DWC_MODE_HNP_SRP_CAPABLE: -+ usbcfg.b.hnpcap = (core_if->core_params->otg_cap == -+ DWC_OTG_CAP_PARAM_HNP_SRP_CAPABLE); -+ usbcfg.b.srpcap = (core_if->core_params->otg_cap != -+ DWC_OTG_CAP_PARAM_NO_HNP_SRP_CAPABLE); -+ break; -+ -+ case DWC_MODE_SRP_ONLY_CAPABLE: -+ usbcfg.b.hnpcap = 0; -+ usbcfg.b.srpcap = (core_if->core_params->otg_cap != -+ DWC_OTG_CAP_PARAM_NO_HNP_SRP_CAPABLE); -+ break; -+ -+ case DWC_MODE_NO_HNP_SRP_CAPABLE: -+ usbcfg.b.hnpcap = 0; -+ usbcfg.b.srpcap = 0; -+ break; -+ -+ case DWC_MODE_SRP_CAPABLE_DEVICE: -+ usbcfg.b.hnpcap = 0; -+ usbcfg.b.srpcap = (core_if->core_params->otg_cap != -+ DWC_OTG_CAP_PARAM_NO_HNP_SRP_CAPABLE); -+ break; -+ -+ case DWC_MODE_NO_SRP_CAPABLE_DEVICE: -+ usbcfg.b.hnpcap = 0; -+ usbcfg.b.srpcap = 0; -+ break; -+ -+ case DWC_MODE_SRP_CAPABLE_HOST: -+ usbcfg.b.hnpcap = 0; -+ usbcfg.b.srpcap = (core_if->core_params->otg_cap != -+ DWC_OTG_CAP_PARAM_NO_HNP_SRP_CAPABLE); -+ break; -+ -+ case DWC_MODE_NO_SRP_CAPABLE_HOST: -+ usbcfg.b.hnpcap = 0; -+ usbcfg.b.srpcap = 0; -+ break; -+ } -+ -+ dwc_write_reg32(&global_regs->gusbcfg, usbcfg.d32); -+ -+ /* Enable common interrupts */ -+ dwc_otg_enable_common_interrupts(core_if); -+ -+ /* Do device or host intialization based on mode during PCD -+ * and HCD initialization */ -+ if (dwc_otg_is_host_mode(core_if)) { -+ DWC_DEBUGPL(DBG_ANY, "Host Mode\n"); -+ core_if->op_state = A_HOST; -+ } -+ else { -+ DWC_DEBUGPL(DBG_ANY, "Device Mode\n"); -+ core_if->op_state = B_PERIPHERAL; -+#ifdef DWC_DEVICE_ONLY -+ dwc_otg_core_dev_init(core_if); -+#endif -+ } -+} -+ -+ -+/** -+ * This function enables the Device mode interrupts. -+ * -+ * @param core_if Programming view of DWC_otg controller -+ */ -+void dwc_otg_enable_device_interrupts(dwc_otg_core_if_t *core_if) -+{ -+ gintmsk_data_t intr_mask = { .d32 = 0}; -+ dwc_otg_core_global_regs_t *global_regs = -+ core_if->core_global_regs; -+ -+ DWC_DEBUGPL(DBG_CIL, "%s()\n", __func__); -+ -+ /* Disable all interrupts. */ -+ dwc_write_reg32(&global_regs->gintmsk, 0); -+ -+ /* Clear any pending interrupts */ -+ dwc_write_reg32(&global_regs->gintsts, 0xFFFFFFFF); -+ -+ /* Enable the common interrupts */ -+ dwc_otg_enable_common_interrupts(core_if); -+ -+ /* Enable interrupts */ -+ intr_mask.b.usbreset = 1; -+ intr_mask.b.enumdone = 1; -+ -+ if(!core_if->multiproc_int_enable) { -+ intr_mask.b.inepintr = 1; -+ intr_mask.b.outepintr = 1; -+ } -+ -+ intr_mask.b.erlysuspend = 1; -+ -+ if(core_if->en_multiple_tx_fifo == 0) { -+ intr_mask.b.epmismatch = 1; -+ } -+ -+ -+#ifdef DWC_EN_ISOC -+ if(core_if->dma_enable) { -+ if(core_if->dma_desc_enable == 0) { -+ if(core_if->pti_enh_enable) { -+ dctl_data_t dctl = { .d32 = 0 }; -+ dctl.b.ifrmnum = 1; -+ dwc_modify_reg32(&core_if->dev_if->dev_global_regs->dctl, 0, dctl.d32); -+ } else { -+ intr_mask.b.incomplisoin = 1; -+ intr_mask.b.incomplisoout = 1; -+ } -+ } -+ } else { -+ intr_mask.b.incomplisoin = 1; -+ intr_mask.b.incomplisoout = 1; -+ } -+#endif // DWC_EN_ISOC -+ -+/** @todo NGS: Should this be a module parameter? */ -+#ifdef USE_PERIODIC_EP -+ intr_mask.b.isooutdrop = 1; -+ intr_mask.b.eopframe = 1; -+ intr_mask.b.incomplisoin = 1; -+ intr_mask.b.incomplisoout = 1; -+#endif -+ -+ dwc_modify_reg32(&global_regs->gintmsk, intr_mask.d32, intr_mask.d32); -+ -+ DWC_DEBUGPL(DBG_CIL, "%s() gintmsk=%0x\n", __func__, -+ dwc_read_reg32(&global_regs->gintmsk)); -+} -+ -+/** -+ * This function initializes the DWC_otg controller registers for -+ * device mode. -+ * -+ * @param core_if Programming view of DWC_otg controller -+ * -+ */ -+void dwc_otg_core_dev_init(dwc_otg_core_if_t *core_if) -+{ -+ int i; -+ dwc_otg_core_global_regs_t *global_regs = -+ core_if->core_global_regs; -+ dwc_otg_dev_if_t *dev_if = core_if->dev_if; -+ dwc_otg_core_params_t *params = core_if->core_params; -+ dcfg_data_t dcfg = { .d32 = 0}; -+ grstctl_t resetctl = { .d32 = 0 }; -+ uint32_t rx_fifo_size; -+ fifosize_data_t nptxfifosize; -+ fifosize_data_t txfifosize; -+ dthrctl_data_t dthrctl; -+ fifosize_data_t ptxfifosize; -+ -+ /* Restart the Phy Clock */ -+ dwc_write_reg32(core_if->pcgcctl, 0); -+ -+ /* Device configuration register */ -+ init_devspd(core_if); -+ dcfg.d32 = dwc_read_reg32(&dev_if->dev_global_regs->dcfg); -+ dcfg.b.descdma = (core_if->dma_desc_enable) ? 1 : 0; -+ dcfg.b.perfrint = DWC_DCFG_FRAME_INTERVAL_80; -+ -+ dwc_write_reg32(&dev_if->dev_global_regs->dcfg, dcfg.d32); -+ -+ /* Configure data FIFO sizes */ -+ if (core_if->hwcfg2.b.dynamic_fifo && params->enable_dynamic_fifo) { -+ DWC_DEBUGPL(DBG_CIL, "Total FIFO Size=%d\n", core_if->total_fifo_size); -+ DWC_DEBUGPL(DBG_CIL, "Rx FIFO Size=%d\n", params->dev_rx_fifo_size); -+ DWC_DEBUGPL(DBG_CIL, "NP Tx FIFO Size=%d\n", params->dev_nperio_tx_fifo_size); -+ -+ /* Rx FIFO */ -+ DWC_DEBUGPL(DBG_CIL, "initial grxfsiz=%08x\n", -+ dwc_read_reg32(&global_regs->grxfsiz)); -+ -+ rx_fifo_size = params->dev_rx_fifo_size; -+ dwc_write_reg32(&global_regs->grxfsiz, rx_fifo_size); -+ -+ DWC_DEBUGPL(DBG_CIL, "new grxfsiz=%08x\n", -+ dwc_read_reg32(&global_regs->grxfsiz)); -+ -+ /** Set Periodic Tx FIFO Mask all bits 0 */ -+ core_if->p_tx_msk = 0; -+ -+ /** Set Tx FIFO Mask all bits 0 */ -+ core_if->tx_msk = 0; -+ -+ if(core_if->en_multiple_tx_fifo == 0) { -+ /* Non-periodic Tx FIFO */ -+ DWC_DEBUGPL(DBG_CIL, "initial gnptxfsiz=%08x\n", -+ dwc_read_reg32(&global_regs->gnptxfsiz)); -+ -+ nptxfifosize.b.depth = params->dev_nperio_tx_fifo_size; -+ nptxfifosize.b.startaddr = params->dev_rx_fifo_size; -+ -+ dwc_write_reg32(&global_regs->gnptxfsiz, nptxfifosize.d32); -+ -+ DWC_DEBUGPL(DBG_CIL, "new gnptxfsiz=%08x\n", -+ dwc_read_reg32(&global_regs->gnptxfsiz)); -+ -+ /**@todo NGS: Fix Periodic FIFO Sizing! */ -+ /* -+ * Periodic Tx FIFOs These FIFOs are numbered from 1 to 15. -+ * Indexes of the FIFO size module parameters in the -+ * dev_perio_tx_fifo_size array and the FIFO size registers in -+ * the dptxfsiz array run from 0 to 14. -+ */ -+ /** @todo Finish debug of this */ -+ ptxfifosize.b.startaddr = nptxfifosize.b.startaddr + nptxfifosize.b.depth; -+ for (i=0; i < core_if->hwcfg4.b.num_dev_perio_in_ep; i++) -+ { -+ ptxfifosize.b.depth = params->dev_perio_tx_fifo_size[i]; -+ DWC_DEBUGPL(DBG_CIL, "initial dptxfsiz_dieptxf[%d]=%08x\n", i, -+ dwc_read_reg32(&global_regs->dptxfsiz_dieptxf[i])); -+ dwc_write_reg32(&global_regs->dptxfsiz_dieptxf[i], -+ ptxfifosize.d32); -+ DWC_DEBUGPL(DBG_CIL, "new dptxfsiz_dieptxf[%d]=%08x\n", i, -+ dwc_read_reg32(&global_regs->dptxfsiz_dieptxf[i])); -+ ptxfifosize.b.startaddr += ptxfifosize.b.depth; -+ } -+ } -+ else { -+ /* -+ * Tx FIFOs These FIFOs are numbered from 1 to 15. -+ * Indexes of the FIFO size module parameters in the -+ * dev_tx_fifo_size array and the FIFO size registers in -+ * the dptxfsiz_dieptxf array run from 0 to 14. -+ */ -+ -+ -+ /* Non-periodic Tx FIFO */ -+ DWC_DEBUGPL(DBG_CIL, "initial gnptxfsiz=%08x\n", -+ dwc_read_reg32(&global_regs->gnptxfsiz)); -+ -+ nptxfifosize.b.depth = params->dev_nperio_tx_fifo_size; -+ nptxfifosize.b.startaddr = params->dev_rx_fifo_size; -+ -+ dwc_write_reg32(&global_regs->gnptxfsiz, nptxfifosize.d32); -+ -+ DWC_DEBUGPL(DBG_CIL, "new gnptxfsiz=%08x\n", -+ dwc_read_reg32(&global_regs->gnptxfsiz)); -+ -+ txfifosize.b.startaddr = nptxfifosize.b.startaddr + nptxfifosize.b.depth; -+ /* -+ Modify by kaiker ,for RT3052 device mode config -+ -+ In RT3052,Since the _core_if->hwcfg4.b.num_dev_perio_in_ep is -+ configed to 0 so these TX_FIF0 not config.IN EP will can't -+ more than 1 if not modify it. -+ -+ */ -+#if 1 -+ for (i=1 ; i <= dev_if->num_in_eps; i++) -+#else -+ for (i=1; i < _core_if->hwcfg4.b.num_dev_perio_in_ep; i++) -+#endif -+ { -+ -+ txfifosize.b.depth = params->dev_tx_fifo_size[i]; -+ -+ DWC_DEBUGPL(DBG_CIL, "initial dptxfsiz_dieptxf[%d]=%08x\n", i, -+ dwc_read_reg32(&global_regs->dptxfsiz_dieptxf[i])); -+ -+ dwc_write_reg32(&global_regs->dptxfsiz_dieptxf[i-1], -+ txfifosize.d32); -+ -+ DWC_DEBUGPL(DBG_CIL, "new dptxfsiz_dieptxf[%d]=%08x\n", i, -+ dwc_read_reg32(&global_regs->dptxfsiz_dieptxf[i-1])); -+ -+ txfifosize.b.startaddr += txfifosize.b.depth; -+ } -+ } -+ } -+ /* Flush the FIFOs */ -+ dwc_otg_flush_tx_fifo(core_if, 0x10); /* all Tx FIFOs */ -+ dwc_otg_flush_rx_fifo(core_if); -+ -+ /* Flush the Learning Queue. */ -+ resetctl.b.intknqflsh = 1; -+ dwc_write_reg32(&core_if->core_global_regs->grstctl, resetctl.d32); -+ -+ /* Clear all pending Device Interrupts */ -+ -+ if(core_if->multiproc_int_enable) { -+ } -+ -+ /** @todo - if the condition needed to be checked -+ * or in any case all pending interrutps should be cleared? -+ */ -+ if(core_if->multiproc_int_enable) { -+ for(i = 0; i < core_if->dev_if->num_in_eps; ++i) { -+ dwc_write_reg32(&dev_if->dev_global_regs->diepeachintmsk[i], 0); -+ } -+ -+ for(i = 0; i < core_if->dev_if->num_out_eps; ++i) { -+ dwc_write_reg32(&dev_if->dev_global_regs->doepeachintmsk[i], 0); -+ } -+ -+ dwc_write_reg32(&dev_if->dev_global_regs->deachint, 0xFFFFFFFF); -+ dwc_write_reg32(&dev_if->dev_global_regs->deachintmsk, 0); -+ } else { -+ dwc_write_reg32(&dev_if->dev_global_regs->diepmsk, 0); -+ dwc_write_reg32(&dev_if->dev_global_regs->doepmsk, 0); -+ dwc_write_reg32(&dev_if->dev_global_regs->daint, 0xFFFFFFFF); -+ dwc_write_reg32(&dev_if->dev_global_regs->daintmsk, 0); -+ } -+ -+ for (i=0; i <= dev_if->num_in_eps; i++) -+ { -+ depctl_data_t depctl; -+ depctl.d32 = dwc_read_reg32(&dev_if->in_ep_regs[i]->diepctl); -+ if (depctl.b.epena) { -+ depctl.d32 = 0; -+ depctl.b.epdis = 1; -+ depctl.b.snak = 1; -+ } -+ else { -+ depctl.d32 = 0; -+ } -+ -+ dwc_write_reg32(&dev_if->in_ep_regs[i]->diepctl, depctl.d32); -+ -+ -+ dwc_write_reg32(&dev_if->in_ep_regs[i]->dieptsiz, 0); -+ dwc_write_reg32(&dev_if->in_ep_regs[i]->diepdma, 0); -+ dwc_write_reg32(&dev_if->in_ep_regs[i]->diepint, 0xFF); -+ } -+ -+ for (i=0; i <= dev_if->num_out_eps; i++) -+ { -+ depctl_data_t depctl; -+ depctl.d32 = dwc_read_reg32(&dev_if->out_ep_regs[i]->doepctl); -+ if (depctl.b.epena) { -+ depctl.d32 = 0; -+ depctl.b.epdis = 1; -+ depctl.b.snak = 1; -+ } -+ else { -+ depctl.d32 = 0; -+ } -+ -+ dwc_write_reg32(&dev_if->out_ep_regs[i]->doepctl, depctl.d32); -+ -+ dwc_write_reg32(&dev_if->out_ep_regs[i]->doeptsiz, 0); -+ dwc_write_reg32(&dev_if->out_ep_regs[i]->doepdma, 0); -+ dwc_write_reg32(&dev_if->out_ep_regs[i]->doepint, 0xFF); -+ } -+ -+ if(core_if->en_multiple_tx_fifo && core_if->dma_enable) { -+ dev_if->non_iso_tx_thr_en = params->thr_ctl & 0x1; -+ dev_if->iso_tx_thr_en = (params->thr_ctl >> 1) & 0x1; -+ dev_if->rx_thr_en = (params->thr_ctl >> 2) & 0x1; -+ -+ dev_if->rx_thr_length = params->rx_thr_length; -+ dev_if->tx_thr_length = params->tx_thr_length; -+ -+ dev_if->setup_desc_index = 0; -+ -+ dthrctl.d32 = 0; -+ dthrctl.b.non_iso_thr_en = dev_if->non_iso_tx_thr_en; -+ dthrctl.b.iso_thr_en = dev_if->iso_tx_thr_en; -+ dthrctl.b.tx_thr_len = dev_if->tx_thr_length; -+ dthrctl.b.rx_thr_en = dev_if->rx_thr_en; -+ dthrctl.b.rx_thr_len = dev_if->rx_thr_length; -+ -+ dwc_write_reg32(&dev_if->dev_global_regs->dtknqr3_dthrctl, dthrctl.d32); -+ -+ DWC_DEBUGPL(DBG_CIL, "Non ISO Tx Thr - %d\nISO Tx Thr - %d\nRx Thr - %d\nTx Thr Len - %d\nRx Thr Len - %d\n", -+ dthrctl.b.non_iso_thr_en, dthrctl.b.iso_thr_en, dthrctl.b.rx_thr_en, dthrctl.b.tx_thr_len, dthrctl.b.rx_thr_len); -+ -+ } -+ -+ dwc_otg_enable_device_interrupts(core_if); -+ -+ { -+ diepmsk_data_t msk = { .d32 = 0 }; -+ msk.b.txfifoundrn = 1; -+ if(core_if->multiproc_int_enable) { -+ dwc_modify_reg32(&dev_if->dev_global_regs->diepeachintmsk[0], msk.d32, msk.d32); -+ } else { -+ dwc_modify_reg32(&dev_if->dev_global_regs->diepmsk, msk.d32, msk.d32); -+ } -+ } -+ -+ -+ if(core_if->multiproc_int_enable) { -+ /* Set NAK on Babble */ -+ dctl_data_t dctl = { .d32 = 0}; -+ dctl.b.nakonbble = 1; -+ dwc_modify_reg32(&dev_if->dev_global_regs->dctl, 0, dctl.d32); -+ } -+} -+ -+/** -+ * This function enables the Host mode interrupts. -+ * -+ * @param core_if Programming view of DWC_otg controller -+ */ -+void dwc_otg_enable_host_interrupts(dwc_otg_core_if_t *core_if) -+{ -+ dwc_otg_core_global_regs_t *global_regs = core_if->core_global_regs; -+ gintmsk_data_t intr_mask = { .d32 = 0 }; -+ -+ DWC_DEBUGPL(DBG_CIL, "%s()\n", __func__); -+ -+ /* Disable all interrupts. */ -+ dwc_write_reg32(&global_regs->gintmsk, 0); -+ -+ /* Clear any pending interrupts. */ -+ dwc_write_reg32(&global_regs->gintsts, 0xFFFFFFFF); -+ -+ /* Enable the common interrupts */ -+ dwc_otg_enable_common_interrupts(core_if); -+ -+ /* -+ * Enable host mode interrupts without disturbing common -+ * interrupts. -+ */ -+ intr_mask.b.sofintr = 1; -+ intr_mask.b.portintr = 1; -+ intr_mask.b.hcintr = 1; -+ -+ dwc_modify_reg32(&global_regs->gintmsk, intr_mask.d32, intr_mask.d32); -+} -+ -+/** -+ * This function disables the Host Mode interrupts. -+ * -+ * @param core_if Programming view of DWC_otg controller -+ */ -+void dwc_otg_disable_host_interrupts(dwc_otg_core_if_t *core_if) -+{ -+ dwc_otg_core_global_regs_t *global_regs = -+ core_if->core_global_regs; -+ gintmsk_data_t intr_mask = { .d32 = 0 }; -+ -+ DWC_DEBUGPL(DBG_CILV, "%s()\n", __func__); -+ -+ /* -+ * Disable host mode interrupts without disturbing common -+ * interrupts. -+ */ -+ intr_mask.b.sofintr = 1; -+ intr_mask.b.portintr = 1; -+ intr_mask.b.hcintr = 1; -+ intr_mask.b.ptxfempty = 1; -+ intr_mask.b.nptxfempty = 1; -+ -+ dwc_modify_reg32(&global_regs->gintmsk, intr_mask.d32, 0); -+} -+ -+/** -+ * This function initializes the DWC_otg controller registers for -+ * host mode. -+ * -+ * This function flushes the Tx and Rx FIFOs and it flushes any entries in the -+ * request queues. Host channels are reset to ensure that they are ready for -+ * performing transfers. -+ * -+ * @param core_if Programming view of DWC_otg controller -+ * -+ */ -+void dwc_otg_core_host_init(dwc_otg_core_if_t *core_if) -+{ -+ dwc_otg_core_global_regs_t *global_regs = core_if->core_global_regs; -+ dwc_otg_host_if_t *host_if = core_if->host_if; -+ dwc_otg_core_params_t *params = core_if->core_params; -+ hprt0_data_t hprt0 = { .d32 = 0 }; -+ fifosize_data_t nptxfifosize; -+ fifosize_data_t ptxfifosize; -+ int i; -+ hcchar_data_t hcchar; -+ hcfg_data_t hcfg; -+ dwc_otg_hc_regs_t *hc_regs; -+ int num_channels; -+ gotgctl_data_t gotgctl = { .d32 = 0 }; -+ -+ DWC_DEBUGPL(DBG_CILV,"%s(%p)\n", __func__, core_if); -+ -+ /* Restart the Phy Clock */ -+ dwc_write_reg32(core_if->pcgcctl, 0); -+ -+ /* Initialize Host Configuration Register */ -+ init_fslspclksel(core_if); -+ if (core_if->core_params->speed == DWC_SPEED_PARAM_FULL) -+ { -+ hcfg.d32 = dwc_read_reg32(&host_if->host_global_regs->hcfg); -+ hcfg.b.fslssupp = 1; -+ dwc_write_reg32(&host_if->host_global_regs->hcfg, hcfg.d32); -+ } -+ -+ /* Configure data FIFO sizes */ -+ if (core_if->hwcfg2.b.dynamic_fifo && params->enable_dynamic_fifo) { -+ DWC_DEBUGPL(DBG_CIL,"Total FIFO Size=%d\n", core_if->total_fifo_size); -+ DWC_DEBUGPL(DBG_CIL,"Rx FIFO Size=%d\n", params->host_rx_fifo_size); -+ DWC_DEBUGPL(DBG_CIL,"NP Tx FIFO Size=%d\n", params->host_nperio_tx_fifo_size); -+ DWC_DEBUGPL(DBG_CIL,"P Tx FIFO Size=%d\n", params->host_perio_tx_fifo_size); -+ -+ /* Rx FIFO */ -+ DWC_DEBUGPL(DBG_CIL,"initial grxfsiz=%08x\n", dwc_read_reg32(&global_regs->grxfsiz)); -+ dwc_write_reg32(&global_regs->grxfsiz, params->host_rx_fifo_size); -+ DWC_DEBUGPL(DBG_CIL,"new grxfsiz=%08x\n", dwc_read_reg32(&global_regs->grxfsiz)); -+ -+ /* Non-periodic Tx FIFO */ -+ DWC_DEBUGPL(DBG_CIL,"initial gnptxfsiz=%08x\n", dwc_read_reg32(&global_regs->gnptxfsiz)); -+ nptxfifosize.b.depth = params->host_nperio_tx_fifo_size; -+ nptxfifosize.b.startaddr = params->host_rx_fifo_size; -+ dwc_write_reg32(&global_regs->gnptxfsiz, nptxfifosize.d32); -+ DWC_DEBUGPL(DBG_CIL,"new gnptxfsiz=%08x\n", dwc_read_reg32(&global_regs->gnptxfsiz)); -+ -+ /* Periodic Tx FIFO */ -+ DWC_DEBUGPL(DBG_CIL,"initial hptxfsiz=%08x\n", dwc_read_reg32(&global_regs->hptxfsiz)); -+ ptxfifosize.b.depth = params->host_perio_tx_fifo_size; -+ ptxfifosize.b.startaddr = nptxfifosize.b.startaddr + nptxfifosize.b.depth; -+ dwc_write_reg32(&global_regs->hptxfsiz, ptxfifosize.d32); -+ DWC_DEBUGPL(DBG_CIL,"new hptxfsiz=%08x\n", dwc_read_reg32(&global_regs->hptxfsiz)); -+ } -+ -+ /* Clear Host Set HNP Enable in the OTG Control Register */ -+ gotgctl.b.hstsethnpen = 1; -+ dwc_modify_reg32(&global_regs->gotgctl, gotgctl.d32, 0); -+ -+ /* Make sure the FIFOs are flushed. */ -+ dwc_otg_flush_tx_fifo(core_if, 0x10 /* all Tx FIFOs */); -+ dwc_otg_flush_rx_fifo(core_if); -+ -+ /* Flush out any leftover queued requests. */ -+ num_channels = core_if->core_params->host_channels; -+ for (i = 0; i < num_channels; i++) -+ { -+ hc_regs = core_if->host_if->hc_regs[i]; -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ hcchar.b.chen = 0; -+ hcchar.b.chdis = 1; -+ hcchar.b.epdir = 0; -+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32); -+ } -+ -+ /* Halt all channels to put them into a known state. */ -+ for (i = 0; i < num_channels; i++) -+ { -+ int count = 0; -+ hc_regs = core_if->host_if->hc_regs[i]; -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ hcchar.b.chen = 1; -+ hcchar.b.chdis = 1; -+ hcchar.b.epdir = 0; -+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32); -+ DWC_DEBUGPL(DBG_HCDV, "%s: Halt channel %d\n", __func__, i); -+ do { -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ if (++count > 1000) -+ { -+ DWC_ERROR("%s: Unable to clear halt on channel %d\n", -+ __func__, i); -+ break; -+ } -+ } -+ while (hcchar.b.chen); -+ } -+ -+ /* Turn on the vbus power. */ -+ DWC_PRINT("Init: Port Power? op_state=%d\n", core_if->op_state); -+ if (core_if->op_state == A_HOST) { -+ hprt0.d32 = dwc_otg_read_hprt0(core_if); -+ DWC_PRINT("Init: Power Port (%d)\n", hprt0.b.prtpwr); -+ if (hprt0.b.prtpwr == 0) { -+ hprt0.b.prtpwr = 1; -+ dwc_write_reg32(host_if->hprt0, hprt0.d32); -+ } -+ } -+ -+ dwc_otg_enable_host_interrupts(core_if); -+} -+ -+/** -+ * Prepares a host channel for transferring packets to/from a specific -+ * endpoint. The HCCHARn register is set up with the characteristics specified -+ * in _hc. Host channel interrupts that may need to be serviced while this -+ * transfer is in progress are enabled. -+ * -+ * @param core_if Programming view of DWC_otg controller -+ * @param hc Information needed to initialize the host channel -+ */ -+void dwc_otg_hc_init(dwc_otg_core_if_t *core_if, dwc_hc_t *hc) -+{ -+ uint32_t intr_enable; -+ hcintmsk_data_t hc_intr_mask; -+ gintmsk_data_t gintmsk = { .d32 = 0 }; -+ hcchar_data_t hcchar; -+ hcsplt_data_t hcsplt; -+ -+ uint8_t hc_num = hc->hc_num; -+ dwc_otg_host_if_t *host_if = core_if->host_if; -+ dwc_otg_hc_regs_t *hc_regs = host_if->hc_regs[hc_num]; -+ -+ /* Clear old interrupt conditions for this host channel. */ -+ hc_intr_mask.d32 = 0xFFFFFFFF; -+ hc_intr_mask.b.reserved = 0; -+ dwc_write_reg32(&hc_regs->hcint, hc_intr_mask.d32); -+ -+ /* Enable channel interrupts required for this transfer. */ -+ hc_intr_mask.d32 = 0; -+ hc_intr_mask.b.chhltd = 1; -+ if (core_if->dma_enable) { -+ hc_intr_mask.b.ahberr = 1; -+ if (hc->error_state && !hc->do_split && -+ hc->ep_type != DWC_OTG_EP_TYPE_ISOC) { -+ hc_intr_mask.b.ack = 1; -+ if (hc->ep_is_in) { -+ hc_intr_mask.b.datatglerr = 1; -+ if (hc->ep_type != DWC_OTG_EP_TYPE_INTR) { -+ hc_intr_mask.b.nak = 1; -+ } -+ } -+ } -+ } -+ else { -+ switch (hc->ep_type) { -+ case DWC_OTG_EP_TYPE_CONTROL: -+ case DWC_OTG_EP_TYPE_BULK: -+ hc_intr_mask.b.xfercompl = 1; -+ hc_intr_mask.b.stall = 1; -+ hc_intr_mask.b.xacterr = 1; -+ hc_intr_mask.b.datatglerr = 1; -+ if (hc->ep_is_in) { -+ hc_intr_mask.b.bblerr = 1; -+ } -+ else { -+ hc_intr_mask.b.nak = 1; -+ hc_intr_mask.b.nyet = 1; -+ if (hc->do_ping) { -+ hc_intr_mask.b.ack = 1; -+ } -+ } -+ -+ if (hc->do_split) { -+ hc_intr_mask.b.nak = 1; -+ if (hc->complete_split) { -+ hc_intr_mask.b.nyet = 1; -+ } -+ else { -+ hc_intr_mask.b.ack = 1; -+ } -+ } -+ -+ if (hc->error_state) { -+ hc_intr_mask.b.ack = 1; -+ } -+ break; -+ case DWC_OTG_EP_TYPE_INTR: -+ hc_intr_mask.b.xfercompl = 1; -+ hc_intr_mask.b.nak = 1; -+ hc_intr_mask.b.stall = 1; -+ hc_intr_mask.b.xacterr = 1; -+ hc_intr_mask.b.datatglerr = 1; -+ hc_intr_mask.b.frmovrun = 1; -+ -+ if (hc->ep_is_in) { -+ hc_intr_mask.b.bblerr = 1; -+ } -+ if (hc->error_state) { -+ hc_intr_mask.b.ack = 1; -+ } -+ if (hc->do_split) { -+ if (hc->complete_split) { -+ hc_intr_mask.b.nyet = 1; -+ } -+ else { -+ hc_intr_mask.b.ack = 1; -+ } -+ } -+ break; -+ case DWC_OTG_EP_TYPE_ISOC: -+ hc_intr_mask.b.xfercompl = 1; -+ hc_intr_mask.b.frmovrun = 1; -+ hc_intr_mask.b.ack = 1; -+ -+ if (hc->ep_is_in) { -+ hc_intr_mask.b.xacterr = 1; -+ hc_intr_mask.b.bblerr = 1; -+ } -+ break; -+ } -+ } -+ dwc_write_reg32(&hc_regs->hcintmsk, hc_intr_mask.d32); -+ -+// if(hc->ep_type == DWC_OTG_EP_TYPE_BULK && !hc->ep_is_in) -+// hc->max_packet = 512; -+ /* Enable the top level host channel interrupt. */ -+ intr_enable = (1 << hc_num); -+ dwc_modify_reg32(&host_if->host_global_regs->haintmsk, 0, intr_enable); -+ -+ /* Make sure host channel interrupts are enabled. */ -+ gintmsk.b.hcintr = 1; -+ dwc_modify_reg32(&core_if->core_global_regs->gintmsk, 0, gintmsk.d32); -+ -+ /* -+ * Program the HCCHARn register with the endpoint characteristics for -+ * the current transfer. -+ */ -+ hcchar.d32 = 0; -+ hcchar.b.devaddr = hc->dev_addr; -+ hcchar.b.epnum = hc->ep_num; -+ hcchar.b.epdir = hc->ep_is_in; -+ hcchar.b.lspddev = (hc->speed == DWC_OTG_EP_SPEED_LOW); -+ hcchar.b.eptype = hc->ep_type; -+ hcchar.b.mps = hc->max_packet; -+ -+ dwc_write_reg32(&host_if->hc_regs[hc_num]->hcchar, hcchar.d32); -+ -+ DWC_DEBUGPL(DBG_HCDV, "%s: Channel %d\n", __func__, hc->hc_num); -+ DWC_DEBUGPL(DBG_HCDV, " Dev Addr: %d\n", hcchar.b.devaddr); -+ DWC_DEBUGPL(DBG_HCDV, " Ep Num: %d\n", hcchar.b.epnum); -+ DWC_DEBUGPL(DBG_HCDV, " Is In: %d\n", hcchar.b.epdir); -+ DWC_DEBUGPL(DBG_HCDV, " Is Low Speed: %d\n", hcchar.b.lspddev); -+ DWC_DEBUGPL(DBG_HCDV, " Ep Type: %d\n", hcchar.b.eptype); -+ DWC_DEBUGPL(DBG_HCDV, " Max Pkt: %d\n", hcchar.b.mps); -+ DWC_DEBUGPL(DBG_HCDV, " Multi Cnt: %d\n", hcchar.b.multicnt); -+ -+ /* -+ * Program the HCSPLIT register for SPLITs -+ */ -+ hcsplt.d32 = 0; -+ if (hc->do_split) { -+ DWC_DEBUGPL(DBG_HCDV, "Programming HC %d with split --> %s\n", hc->hc_num, -+ hc->complete_split ? "CSPLIT" : "SSPLIT"); -+ hcsplt.b.compsplt = hc->complete_split; -+ hcsplt.b.xactpos = hc->xact_pos; -+ hcsplt.b.hubaddr = hc->hub_addr; -+ hcsplt.b.prtaddr = hc->port_addr; -+ DWC_DEBUGPL(DBG_HCDV, " comp split %d\n", hc->complete_split); -+ DWC_DEBUGPL(DBG_HCDV, " xact pos %d\n", hc->xact_pos); -+ DWC_DEBUGPL(DBG_HCDV, " hub addr %d\n", hc->hub_addr); -+ DWC_DEBUGPL(DBG_HCDV, " port addr %d\n", hc->port_addr); -+ DWC_DEBUGPL(DBG_HCDV, " is_in %d\n", hc->ep_is_in); -+ DWC_DEBUGPL(DBG_HCDV, " Max Pkt: %d\n", hcchar.b.mps); -+ DWC_DEBUGPL(DBG_HCDV, " xferlen: %d\n", hc->xfer_len); -+ } -+ dwc_write_reg32(&host_if->hc_regs[hc_num]->hcsplt, hcsplt.d32); -+ -+} -+ -+/** -+ * Attempts to halt a host channel. This function should only be called in -+ * Slave mode or to abort a transfer in either Slave mode or DMA mode. Under -+ * normal circumstances in DMA mode, the controller halts the channel when the -+ * transfer is complete or a condition occurs that requires application -+ * intervention. -+ * -+ * In slave mode, checks for a free request queue entry, then sets the Channel -+ * Enable and Channel Disable bits of the Host Channel Characteristics -+ * register of the specified channel to intiate the halt. If there is no free -+ * request queue entry, sets only the Channel Disable bit of the HCCHARn -+ * register to flush requests for this channel. In the latter case, sets a -+ * flag to indicate that the host channel needs to be halted when a request -+ * queue slot is open. -+ * -+ * In DMA mode, always sets the Channel Enable and Channel Disable bits of the -+ * HCCHARn register. The controller ensures there is space in the request -+ * queue before submitting the halt request. -+ * -+ * Some time may elapse before the core flushes any posted requests for this -+ * host channel and halts. The Channel Halted interrupt handler completes the -+ * deactivation of the host channel. -+ * -+ * @param core_if Controller register interface. -+ * @param hc Host channel to halt. -+ * @param halt_status Reason for halting the channel. -+ */ -+void dwc_otg_hc_halt(dwc_otg_core_if_t *core_if, -+ dwc_hc_t *hc, -+ dwc_otg_halt_status_e halt_status) -+{ -+ gnptxsts_data_t nptxsts; -+ hptxsts_data_t hptxsts; -+ hcchar_data_t hcchar; -+ dwc_otg_hc_regs_t *hc_regs; -+ dwc_otg_core_global_regs_t *global_regs; -+ dwc_otg_host_global_regs_t *host_global_regs; -+ -+ hc_regs = core_if->host_if->hc_regs[hc->hc_num]; -+ global_regs = core_if->core_global_regs; -+ host_global_regs = core_if->host_if->host_global_regs; -+ -+ WARN_ON(halt_status == DWC_OTG_HC_XFER_NO_HALT_STATUS); -+ -+ if (halt_status == DWC_OTG_HC_XFER_URB_DEQUEUE || -+ halt_status == DWC_OTG_HC_XFER_AHB_ERR) { -+ /* -+ * Disable all channel interrupts except Ch Halted. The QTD -+ * and QH state associated with this transfer has been cleared -+ * (in the case of URB_DEQUEUE), so the channel needs to be -+ * shut down carefully to prevent crashes. -+ */ -+ hcintmsk_data_t hcintmsk; -+ hcintmsk.d32 = 0; -+ hcintmsk.b.chhltd = 1; -+ dwc_write_reg32(&hc_regs->hcintmsk, hcintmsk.d32); -+ -+ /* -+ * Make sure no other interrupts besides halt are currently -+ * pending. Handling another interrupt could cause a crash due -+ * to the QTD and QH state. -+ */ -+ dwc_write_reg32(&hc_regs->hcint, ~hcintmsk.d32); -+ -+ /* -+ * Make sure the halt status is set to URB_DEQUEUE or AHB_ERR -+ * even if the channel was already halted for some other -+ * reason. -+ */ -+ hc->halt_status = halt_status; -+ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ if (hcchar.b.chen == 0) { -+ /* -+ * The channel is either already halted or it hasn't -+ * started yet. In DMA mode, the transfer may halt if -+ * it finishes normally or a condition occurs that -+ * requires driver intervention. Don't want to halt -+ * the channel again. In either Slave or DMA mode, -+ * it's possible that the transfer has been assigned -+ * to a channel, but not started yet when an URB is -+ * dequeued. Don't want to halt a channel that hasn't -+ * started yet. -+ */ -+ return; -+ } -+ } -+ -+ if (hc->halt_pending) { -+ /* -+ * A halt has already been issued for this channel. This might -+ * happen when a transfer is aborted by a higher level in -+ * the stack. -+ */ -+#ifdef DEBUG -+ DWC_PRINT("*** %s: Channel %d, _hc->halt_pending already set ***\n", -+ __func__, hc->hc_num); -+ -+/* dwc_otg_dump_global_registers(core_if); */ -+/* dwc_otg_dump_host_registers(core_if); */ -+#endif -+ return; -+ } -+ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ hcchar.b.chen = 1; -+ hcchar.b.chdis = 1; -+ -+ if (!core_if->dma_enable) { -+ /* Check for space in the request queue to issue the halt. */ -+ if (hc->ep_type == DWC_OTG_EP_TYPE_CONTROL || -+ hc->ep_type == DWC_OTG_EP_TYPE_BULK) { -+ nptxsts.d32 = dwc_read_reg32(&global_regs->gnptxsts); -+ if (nptxsts.b.nptxqspcavail == 0) { -+ hcchar.b.chen = 0; -+ } -+ } -+ else { -+ hptxsts.d32 = dwc_read_reg32(&host_global_regs->hptxsts); -+ if ((hptxsts.b.ptxqspcavail == 0) || (core_if->queuing_high_bandwidth)) { -+ hcchar.b.chen = 0; -+ } -+ } -+ } -+ -+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32); -+ -+ hc->halt_status = halt_status; -+ -+ if (hcchar.b.chen) { -+ hc->halt_pending = 1; -+ hc->halt_on_queue = 0; -+ } -+ else { -+ hc->halt_on_queue = 1; -+ } -+ -+ DWC_DEBUGPL(DBG_HCDV, "%s: Channel %d\n", __func__, hc->hc_num); -+ DWC_DEBUGPL(DBG_HCDV, " hcchar: 0x%08x\n", hcchar.d32); -+ DWC_DEBUGPL(DBG_HCDV, " halt_pending: %d\n", hc->halt_pending); -+ DWC_DEBUGPL(DBG_HCDV, " halt_on_queue: %d\n", hc->halt_on_queue); -+ DWC_DEBUGPL(DBG_HCDV, " halt_status: %d\n", hc->halt_status); -+ -+ return; -+} -+ -+/** -+ * Clears the transfer state for a host channel. This function is normally -+ * called after a transfer is done and the host channel is being released. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param hc Identifies the host channel to clean up. -+ */ -+void dwc_otg_hc_cleanup(dwc_otg_core_if_t *core_if, dwc_hc_t *hc) -+{ -+ dwc_otg_hc_regs_t *hc_regs; -+ -+ hc->xfer_started = 0; -+ -+ /* -+ * Clear channel interrupt enables and any unhandled channel interrupt -+ * conditions. -+ */ -+ hc_regs = core_if->host_if->hc_regs[hc->hc_num]; -+ dwc_write_reg32(&hc_regs->hcintmsk, 0); -+ dwc_write_reg32(&hc_regs->hcint, 0xFFFFFFFF); -+ -+#ifdef DEBUG -+ del_timer(&core_if->hc_xfer_timer[hc->hc_num]); -+ { -+ hcchar_data_t hcchar; -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ if (hcchar.b.chdis) { -+ DWC_WARN("%s: chdis set, channel %d, hcchar 0x%08x\n", -+ __func__, hc->hc_num, hcchar.d32); -+ } -+ } -+#endif -+} -+ -+/** -+ * Sets the channel property that indicates in which frame a periodic transfer -+ * should occur. This is always set to the _next_ frame. This function has no -+ * effect on non-periodic transfers. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param hc Identifies the host channel to set up and its properties. -+ * @param hcchar Current value of the HCCHAR register for the specified host -+ * channel. -+ */ -+static inline void hc_set_even_odd_frame(dwc_otg_core_if_t *core_if, -+ dwc_hc_t *hc, -+ hcchar_data_t *hcchar) -+{ -+ if (hc->ep_type == DWC_OTG_EP_TYPE_INTR || -+ hc->ep_type == DWC_OTG_EP_TYPE_ISOC) { -+ hfnum_data_t hfnum; -+ hfnum.d32 = dwc_read_reg32(&core_if->host_if->host_global_regs->hfnum); -+ -+ /* 1 if _next_ frame is odd, 0 if it's even */ -+ hcchar->b.oddfrm = (hfnum.b.frnum & 0x1) ? 0 : 1; -+#ifdef DEBUG -+ if (hc->ep_type == DWC_OTG_EP_TYPE_INTR && hc->do_split && !hc->complete_split) { -+ switch (hfnum.b.frnum & 0x7) { -+ case 7: -+ core_if->hfnum_7_samples++; -+ core_if->hfnum_7_frrem_accum += hfnum.b.frrem; -+ break; -+ case 0: -+ core_if->hfnum_0_samples++; -+ core_if->hfnum_0_frrem_accum += hfnum.b.frrem; -+ break; -+ default: -+ core_if->hfnum_other_samples++; -+ core_if->hfnum_other_frrem_accum += hfnum.b.frrem; -+ break; -+ } -+ } -+#endif -+ } -+} -+ -+#ifdef DEBUG -+static void hc_xfer_timeout(unsigned long ptr) -+{ -+ hc_xfer_info_t *xfer_info = (hc_xfer_info_t *)ptr; -+ int hc_num = xfer_info->hc->hc_num; -+ DWC_WARN("%s: timeout on channel %d\n", __func__, hc_num); -+ DWC_WARN(" start_hcchar_val 0x%08x\n", xfer_info->core_if->start_hcchar_val[hc_num]); -+} -+#endif -+ -+/* -+ * This function does the setup for a data transfer for a host channel and -+ * starts the transfer. May be called in either Slave mode or DMA mode. In -+ * Slave mode, the caller must ensure that there is sufficient space in the -+ * request queue and Tx Data FIFO. -+ * -+ * For an OUT transfer in Slave mode, it loads a data packet into the -+ * appropriate FIFO. If necessary, additional data packets will be loaded in -+ * the Host ISR. -+ * -+ * For an IN transfer in Slave mode, a data packet is requested. The data -+ * packets are unloaded from the Rx FIFO in the Host ISR. If necessary, -+ * additional data packets are requested in the Host ISR. -+ * -+ * For a PING transfer in Slave mode, the Do Ping bit is set in the egards, -+ * -+ * Steven -+ * -+ * register along with a packet count of 1 and the channel is enabled. This -+ * causes a single PING transaction to occur. Other fields in HCTSIZ are -+ * simply set to 0 since no data transfer occurs in this case. -+ * -+ * For a PING transfer in DMA mode, the HCTSIZ register is initialized with -+ * all the information required to perform the subsequent data transfer. In -+ * addition, the Do Ping bit is set in the HCTSIZ register. In this case, the -+ * controller performs the entire PING protocol, then starts the data -+ * transfer. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param hc Information needed to initialize the host channel. The xfer_len -+ * value may be reduced to accommodate the max widths of the XferSize and -+ * PktCnt fields in the HCTSIZn register. The multi_count value may be changed -+ * to reflect the final xfer_len value. -+ */ -+void dwc_otg_hc_start_transfer(dwc_otg_core_if_t *core_if, dwc_hc_t *hc) -+{ -+ hcchar_data_t hcchar; -+ hctsiz_data_t hctsiz; -+ uint16_t num_packets; -+ uint32_t max_hc_xfer_size = core_if->core_params->max_transfer_size; -+ uint16_t max_hc_pkt_count = core_if->core_params->max_packet_count; -+ dwc_otg_hc_regs_t *hc_regs = core_if->host_if->hc_regs[hc->hc_num]; -+ -+ hctsiz.d32 = 0; -+ -+ if (hc->do_ping) { -+ if (!core_if->dma_enable) { -+ dwc_otg_hc_do_ping(core_if, hc); -+ hc->xfer_started = 1; -+ return; -+ } -+ else { -+ hctsiz.b.dopng = 1; -+ } -+ } -+ -+ if (hc->do_split) { -+ num_packets = 1; -+ -+ if (hc->complete_split && !hc->ep_is_in) { -+ /* For CSPLIT OUT Transfer, set the size to 0 so the -+ * core doesn't expect any data written to the FIFO */ -+ hc->xfer_len = 0; -+ } -+ else if (hc->ep_is_in || (hc->xfer_len > hc->max_packet)) { -+ hc->xfer_len = hc->max_packet; -+ } -+ else if (!hc->ep_is_in && (hc->xfer_len > 188)) { -+ hc->xfer_len = 188; -+ } -+ -+ hctsiz.b.xfersize = hc->xfer_len; -+ } -+ else { -+ /* -+ * Ensure that the transfer length and packet count will fit -+ * in the widths allocated for them in the HCTSIZn register. -+ */ -+ if (hc->ep_type == DWC_OTG_EP_TYPE_INTR || -+ hc->ep_type == DWC_OTG_EP_TYPE_ISOC) { -+ /* -+ * Make sure the transfer size is no larger than one -+ * (micro)frame's worth of data. (A check was done -+ * when the periodic transfer was accepted to ensure -+ * that a (micro)frame's worth of data can be -+ * programmed into a channel.) -+ */ -+ uint32_t max_periodic_len = hc->multi_count * hc->max_packet; -+ if (hc->xfer_len > max_periodic_len) { -+ hc->xfer_len = max_periodic_len; -+ } -+ else { -+ } -+ -+ } -+ else if (hc->xfer_len > max_hc_xfer_size) { -+ /* Make sure that xfer_len is a multiple of max packet size. */ -+ hc->xfer_len = max_hc_xfer_size - hc->max_packet + 1; -+ } -+ -+ if (hc->xfer_len > 0) { -+ num_packets = (hc->xfer_len + hc->max_packet - 1) / hc->max_packet; -+ if (num_packets > max_hc_pkt_count) { -+ num_packets = max_hc_pkt_count; -+ hc->xfer_len = num_packets * hc->max_packet; -+ } -+ } -+ else { -+ /* Need 1 packet for transfer length of 0. */ -+ num_packets = 1; -+ } -+ -+ if (hc->ep_is_in) { -+ /* Always program an integral # of max packets for IN transfers. */ -+ hc->xfer_len = num_packets * hc->max_packet; -+ } -+ -+ if (hc->ep_type == DWC_OTG_EP_TYPE_INTR || -+ hc->ep_type == DWC_OTG_EP_TYPE_ISOC) { -+ /* -+ * Make sure that the multi_count field matches the -+ * actual transfer length. -+ */ -+ hc->multi_count = num_packets; -+ } -+ -+ if (hc->ep_type == DWC_OTG_EP_TYPE_ISOC) { -+ /* Set up the initial PID for the transfer. */ -+ if (hc->speed == DWC_OTG_EP_SPEED_HIGH) { -+ if (hc->ep_is_in) { -+ if (hc->multi_count == 1) { -+ hc->data_pid_start = DWC_OTG_HC_PID_DATA0; -+ } -+ else if (hc->multi_count == 2) { -+ hc->data_pid_start = DWC_OTG_HC_PID_DATA1; -+ } -+ else { -+ hc->data_pid_start = DWC_OTG_HC_PID_DATA2; -+ } -+ } -+ else { -+ if (hc->multi_count == 1) { -+ hc->data_pid_start = DWC_OTG_HC_PID_DATA0; -+ } -+ else { -+ hc->data_pid_start = DWC_OTG_HC_PID_MDATA; -+ } -+ } -+ } -+ else { -+ hc->data_pid_start = DWC_OTG_HC_PID_DATA0; -+ } -+ } -+ -+ hctsiz.b.xfersize = hc->xfer_len; -+ } -+ -+ hc->start_pkt_count = num_packets; -+ hctsiz.b.pktcnt = num_packets; -+ hctsiz.b.pid = hc->data_pid_start; -+ dwc_write_reg32(&hc_regs->hctsiz, hctsiz.d32); -+ -+ DWC_DEBUGPL(DBG_HCDV, "%s: Channel %d\n", __func__, hc->hc_num); -+ DWC_DEBUGPL(DBG_HCDV, " Xfer Size: %d\n", hctsiz.b.xfersize); -+ DWC_DEBUGPL(DBG_HCDV, " Num Pkts: %d\n", hctsiz.b.pktcnt); -+ DWC_DEBUGPL(DBG_HCDV, " Start PID: %d\n", hctsiz.b.pid); -+ -+ if (core_if->dma_enable) { -+#if defined (CONFIG_DWC_OTG_HOST_ONLY) -+ if ((uint32_t)hc->xfer_buff & 0x3) { -+ /* non DWORD-aligned buffer case*/ -+ if(!hc->qh->dw_align_buf) { -+ hc->qh->dw_align_buf = -+ dma_alloc_coherent(NULL, -+ core_if->core_params->max_transfer_size, -+ &hc->qh->dw_align_buf_dma, -+ GFP_ATOMIC | GFP_DMA); -+ if (!hc->qh->dw_align_buf) { -+ -+ DWC_ERROR("%s: Failed to allocate memory to handle " -+ "non-dword aligned buffer case\n", __func__); -+ return; -+ } -+ -+ } -+ if (!hc->ep_is_in) { -+ memcpy(hc->qh->dw_align_buf, phys_to_virt((uint32_t)hc->xfer_buff), hc->xfer_len); -+ } -+ -+ dwc_write_reg32(&hc_regs->hcdma, hc->qh->dw_align_buf_dma); -+ } -+ else -+#endif -+ dwc_write_reg32(&hc_regs->hcdma, (uint32_t)hc->xfer_buff); -+ } -+ -+ /* Start the split */ -+ if (hc->do_split) { -+ hcsplt_data_t hcsplt; -+ hcsplt.d32 = dwc_read_reg32 (&hc_regs->hcsplt); -+ hcsplt.b.spltena = 1; -+ dwc_write_reg32(&hc_regs->hcsplt, hcsplt.d32); -+ } -+ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ hcchar.b.multicnt = hc->multi_count; -+ hc_set_even_odd_frame(core_if, hc, &hcchar); -+#ifdef DEBUG -+ core_if->start_hcchar_val[hc->hc_num] = hcchar.d32; -+ if (hcchar.b.chdis) { -+ DWC_WARN("%s: chdis set, channel %d, hcchar 0x%08x\n", -+ __func__, hc->hc_num, hcchar.d32); -+ } -+#endif -+ -+ /* Set host channel enable after all other setup is complete. */ -+ hcchar.b.chen = 1; -+ hcchar.b.chdis = 0; -+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32); -+ -+ hc->xfer_started = 1; -+ hc->requests++; -+ -+ if (!core_if->dma_enable && -+ !hc->ep_is_in && hc->xfer_len > 0) { -+ /* Load OUT packet into the appropriate Tx FIFO. */ -+ dwc_otg_hc_write_packet(core_if, hc); -+ } -+ -+#ifdef DEBUG -+ /* Start a timer for this transfer. */ -+ core_if->hc_xfer_timer[hc->hc_num].function = hc_xfer_timeout; -+ core_if->hc_xfer_info[hc->hc_num].core_if = core_if; -+ core_if->hc_xfer_info[hc->hc_num].hc = hc; -+ core_if->hc_xfer_timer[hc->hc_num].data = (unsigned long)(&core_if->hc_xfer_info[hc->hc_num]); -+ core_if->hc_xfer_timer[hc->hc_num].expires = jiffies + (HZ*10); -+ add_timer(&core_if->hc_xfer_timer[hc->hc_num]); -+#endif -+} -+ -+/** -+ * This function continues a data transfer that was started by previous call -+ * to <code>dwc_otg_hc_start_transfer</code>. The caller must ensure there is -+ * sufficient space in the request queue and Tx Data FIFO. This function -+ * should only be called in Slave mode. In DMA mode, the controller acts -+ * autonomously to complete transfers programmed to a host channel. -+ * -+ * For an OUT transfer, a new data packet is loaded into the appropriate FIFO -+ * if there is any data remaining to be queued. For an IN transfer, another -+ * data packet is always requested. For the SETUP phase of a control transfer, -+ * this function does nothing. -+ * -+ * @return 1 if a new request is queued, 0 if no more requests are required -+ * for this transfer. -+ */ -+int dwc_otg_hc_continue_transfer(dwc_otg_core_if_t *core_if, dwc_hc_t *hc) -+{ -+ DWC_DEBUGPL(DBG_HCDV, "%s: Channel %d\n", __func__, hc->hc_num); -+ -+ if (hc->do_split) { -+ /* SPLITs always queue just once per channel */ -+ return 0; -+ } -+ else if (hc->data_pid_start == DWC_OTG_HC_PID_SETUP) { -+ /* SETUPs are queued only once since they can't be NAKed. */ -+ return 0; -+ } -+ else if (hc->ep_is_in) { -+ /* -+ * Always queue another request for other IN transfers. If -+ * back-to-back INs are issued and NAKs are received for both, -+ * the driver may still be processing the first NAK when the -+ * second NAK is received. When the interrupt handler clears -+ * the NAK interrupt for the first NAK, the second NAK will -+ * not be seen. So we can't depend on the NAK interrupt -+ * handler to requeue a NAKed request. Instead, IN requests -+ * are issued each time this function is called. When the -+ * transfer completes, the extra requests for the channel will -+ * be flushed. -+ */ -+ hcchar_data_t hcchar; -+ dwc_otg_hc_regs_t *hc_regs = core_if->host_if->hc_regs[hc->hc_num]; -+ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ hc_set_even_odd_frame(core_if, hc, &hcchar); -+ hcchar.b.chen = 1; -+ hcchar.b.chdis = 0; -+ DWC_DEBUGPL(DBG_HCDV, " IN xfer: hcchar = 0x%08x\n", hcchar.d32); -+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32); -+ hc->requests++; -+ return 1; -+ } -+ else { -+ /* OUT transfers. */ -+ if (hc->xfer_count < hc->xfer_len) { -+ if (hc->ep_type == DWC_OTG_EP_TYPE_INTR || -+ hc->ep_type == DWC_OTG_EP_TYPE_ISOC) { -+ hcchar_data_t hcchar; -+ dwc_otg_hc_regs_t *hc_regs; -+ hc_regs = core_if->host_if->hc_regs[hc->hc_num]; -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ hc_set_even_odd_frame(core_if, hc, &hcchar); -+ } -+ -+ /* Load OUT packet into the appropriate Tx FIFO. */ -+ dwc_otg_hc_write_packet(core_if, hc); -+ hc->requests++; -+ return 1; -+ } -+ else { -+ return 0; -+ } -+ } -+} -+ -+/** -+ * Starts a PING transfer. This function should only be called in Slave mode. -+ * The Do Ping bit is set in the HCTSIZ register, then the channel is enabled. -+ */ -+void dwc_otg_hc_do_ping(dwc_otg_core_if_t *core_if, dwc_hc_t *hc) -+{ -+ hcchar_data_t hcchar; -+ hctsiz_data_t hctsiz; -+ dwc_otg_hc_regs_t *hc_regs = core_if->host_if->hc_regs[hc->hc_num]; -+ -+ DWC_DEBUGPL(DBG_HCDV, "%s: Channel %d\n", __func__, hc->hc_num); -+ -+ hctsiz.d32 = 0; -+ hctsiz.b.dopng = 1; -+ hctsiz.b.pktcnt = 1; -+ dwc_write_reg32(&hc_regs->hctsiz, hctsiz.d32); -+ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ hcchar.b.chen = 1; -+ hcchar.b.chdis = 0; -+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32); -+} -+ -+/* -+ * This function writes a packet into the Tx FIFO associated with the Host -+ * Channel. For a channel associated with a non-periodic EP, the non-periodic -+ * Tx FIFO is written. For a channel associated with a periodic EP, the -+ * periodic Tx FIFO is written. This function should only be called in Slave -+ * mode. -+ * -+ * Upon return the xfer_buff and xfer_count fields in _hc are incremented by -+ * then number of bytes written to the Tx FIFO. -+ */ -+void dwc_otg_hc_write_packet(dwc_otg_core_if_t *core_if, dwc_hc_t *hc) -+{ -+ uint32_t i; -+ uint32_t remaining_count; -+ uint32_t byte_count; -+ uint32_t dword_count; -+ -+ uint32_t *data_buff = (uint32_t *)(hc->xfer_buff); -+ uint32_t *data_fifo = core_if->data_fifo[hc->hc_num]; -+ -+ remaining_count = hc->xfer_len - hc->xfer_count; -+ if (remaining_count > hc->max_packet) { -+ byte_count = hc->max_packet; -+ } -+ else { -+ byte_count = remaining_count; -+ } -+ -+ dword_count = (byte_count + 3) / 4; -+ -+ if ((((unsigned long)data_buff) & 0x3) == 0) { -+ /* xfer_buff is DWORD aligned. */ -+ for (i = 0; i < dword_count; i++, data_buff++) -+ { -+ dwc_write_reg32(data_fifo, *data_buff); -+ } -+ } -+ else { -+ /* xfer_buff is not DWORD aligned. */ -+ for (i = 0; i < dword_count; i++, data_buff++) -+ { -+ dwc_write_reg32(data_fifo, get_unaligned(data_buff)); -+ } -+ } -+ -+ hc->xfer_count += byte_count; -+ hc->xfer_buff += byte_count; -+} -+ -+/** -+ * Gets the current USB frame number. This is the frame number from the last -+ * SOF packet. -+ */ -+uint32_t dwc_otg_get_frame_number(dwc_otg_core_if_t *core_if) -+{ -+ dsts_data_t dsts; -+ dsts.d32 = dwc_read_reg32(&core_if->dev_if->dev_global_regs->dsts); -+ -+ /* read current frame/microframe number from DSTS register */ -+ return dsts.b.soffn; -+} -+ -+/** -+ * This function reads a setup packet from the Rx FIFO into the destination -+ * buffer. This function is called from the Rx Status Queue Level (RxStsQLvl) -+ * Interrupt routine when a SETUP packet has been received in Slave mode. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param dest Destination buffer for packet data. -+ */ -+void dwc_otg_read_setup_packet(dwc_otg_core_if_t *core_if, uint32_t *dest) -+{ -+ /* Get the 8 bytes of a setup transaction data */ -+ -+ /* Pop 2 DWORDS off the receive data FIFO into memory */ -+ dest[0] = dwc_read_reg32(core_if->data_fifo[0]); -+ dest[1] = dwc_read_reg32(core_if->data_fifo[0]); -+} -+ -+ -+/** -+ * This function enables EP0 OUT to receive SETUP packets and configures EP0 -+ * IN for transmitting packets. It is normally called when the -+ * "Enumeration Done" interrupt occurs. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param ep The EP0 data. -+ */ -+void dwc_otg_ep0_activate(dwc_otg_core_if_t *core_if, dwc_ep_t *ep) -+{ -+ dwc_otg_dev_if_t *dev_if = core_if->dev_if; -+ dsts_data_t dsts; -+ depctl_data_t diepctl; -+ depctl_data_t doepctl; -+ dctl_data_t dctl = { .d32 = 0 }; -+ -+ /* Read the Device Status and Endpoint 0 Control registers */ -+ dsts.d32 = dwc_read_reg32(&dev_if->dev_global_regs->dsts); -+ diepctl.d32 = dwc_read_reg32(&dev_if->in_ep_regs[0]->diepctl); -+ doepctl.d32 = dwc_read_reg32(&dev_if->out_ep_regs[0]->doepctl); -+ -+ /* Set the MPS of the IN EP based on the enumeration speed */ -+ switch (dsts.b.enumspd) { -+ case DWC_DSTS_ENUMSPD_HS_PHY_30MHZ_OR_60MHZ: -+ case DWC_DSTS_ENUMSPD_FS_PHY_30MHZ_OR_60MHZ: -+ case DWC_DSTS_ENUMSPD_FS_PHY_48MHZ: -+ diepctl.b.mps = DWC_DEP0CTL_MPS_64; -+ break; -+ case DWC_DSTS_ENUMSPD_LS_PHY_6MHZ: -+ diepctl.b.mps = DWC_DEP0CTL_MPS_8; -+ break; -+ } -+ -+ dwc_write_reg32(&dev_if->in_ep_regs[0]->diepctl, diepctl.d32); -+ -+ /* Enable OUT EP for receive */ -+ doepctl.b.epena = 1; -+ dwc_write_reg32(&dev_if->out_ep_regs[0]->doepctl, doepctl.d32); -+ -+#ifdef VERBOSE -+ DWC_DEBUGPL(DBG_PCDV,"doepctl0=%0x\n", -+ dwc_read_reg32(&dev_if->out_ep_regs[0]->doepctl)); -+ DWC_DEBUGPL(DBG_PCDV,"diepctl0=%0x\n", -+ dwc_read_reg32(&dev_if->in_ep_regs[0]->diepctl)); -+#endif -+ dctl.b.cgnpinnak = 1; -+ -+ dwc_modify_reg32(&dev_if->dev_global_regs->dctl, dctl.d32, dctl.d32); -+ DWC_DEBUGPL(DBG_PCDV,"dctl=%0x\n", -+ dwc_read_reg32(&dev_if->dev_global_regs->dctl)); -+} -+ -+/** -+ * This function activates an EP. The Device EP control register for -+ * the EP is configured as defined in the ep structure. Note: This -+ * function is not used for EP0. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param ep The EP to activate. -+ */ -+void dwc_otg_ep_activate(dwc_otg_core_if_t *core_if, dwc_ep_t *ep) -+{ -+ dwc_otg_dev_if_t *dev_if = core_if->dev_if; -+ depctl_data_t depctl; -+ volatile uint32_t *addr; -+ daint_data_t daintmsk = { .d32 = 0 }; -+ -+ DWC_DEBUGPL(DBG_PCDV, "%s() EP%d-%s\n", __func__, ep->num, -+ (ep->is_in?"IN":"OUT")); -+ -+ /* Read DEPCTLn register */ -+ if (ep->is_in == 1) { -+ addr = &dev_if->in_ep_regs[ep->num]->diepctl; -+ daintmsk.ep.in = 1<<ep->num; -+ } -+ else { -+ addr = &dev_if->out_ep_regs[ep->num]->doepctl; -+ daintmsk.ep.out = 1<<ep->num; -+ } -+ -+ /* If the EP is already active don't change the EP Control -+ * register. */ -+ depctl.d32 = dwc_read_reg32(addr); -+ if (!depctl.b.usbactep) { -+ depctl.b.mps = ep->maxpacket; -+ depctl.b.eptype = ep->type; -+ depctl.b.txfnum = ep->tx_fifo_num; -+ -+ if (ep->type == DWC_OTG_EP_TYPE_ISOC) { -+ depctl.b.setd0pid = 1; // ??? -+ } -+ else { -+ depctl.b.setd0pid = 1; -+ } -+ depctl.b.usbactep = 1; -+ -+ dwc_write_reg32(addr, depctl.d32); -+ DWC_DEBUGPL(DBG_PCDV,"DEPCTL=%08x\n", dwc_read_reg32(addr)); -+ } -+ -+ /* Enable the Interrupt for this EP */ -+ if(core_if->multiproc_int_enable) { -+ if (ep->is_in == 1) { -+ diepmsk_data_t diepmsk = { .d32 = 0}; -+ diepmsk.b.xfercompl = 1; -+ diepmsk.b.timeout = 1; -+ diepmsk.b.epdisabled = 1; -+ diepmsk.b.ahberr = 1; -+ diepmsk.b.intknepmis = 1; -+ diepmsk.b.txfifoundrn = 1; //????? -+ -+ -+ if(core_if->dma_desc_enable) { -+ diepmsk.b.bna = 1; -+ } -+/* -+ if(core_if->dma_enable) { -+ doepmsk.b.nak = 1; -+ } -+*/ -+ dwc_write_reg32(&dev_if->dev_global_regs->diepeachintmsk[ep->num], diepmsk.d32); -+ -+ } else { -+ doepmsk_data_t doepmsk = { .d32 = 0}; -+ doepmsk.b.xfercompl = 1; -+ doepmsk.b.ahberr = 1; -+ doepmsk.b.epdisabled = 1; -+ -+ -+ if(core_if->dma_desc_enable) { -+ doepmsk.b.bna = 1; -+ } -+/* -+ doepmsk.b.babble = 1; -+ doepmsk.b.nyet = 1; -+ doepmsk.b.nak = 1; -+*/ -+ dwc_write_reg32(&dev_if->dev_global_regs->doepeachintmsk[ep->num], doepmsk.d32); -+ } -+ dwc_modify_reg32(&dev_if->dev_global_regs->deachintmsk, -+ 0, daintmsk.d32); -+ } else { -+ dwc_modify_reg32(&dev_if->dev_global_regs->daintmsk, -+ 0, daintmsk.d32); -+ } -+ -+ DWC_DEBUGPL(DBG_PCDV,"DAINTMSK=%0x\n", -+ dwc_read_reg32(&dev_if->dev_global_regs->daintmsk)); -+ -+ ep->stall_clear_flag = 0; -+ return; -+} -+ -+/** -+ * This function deactivates an EP. This is done by clearing the USB Active -+ * EP bit in the Device EP control register. Note: This function is not used -+ * for EP0. EP0 cannot be deactivated. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param ep The EP to deactivate. -+ */ -+void dwc_otg_ep_deactivate(dwc_otg_core_if_t *core_if, dwc_ep_t *ep) -+{ -+ depctl_data_t depctl = { .d32 = 0 }; -+ volatile uint32_t *addr; -+ daint_data_t daintmsk = { .d32 = 0}; -+ -+ /* Read DEPCTLn register */ -+ if (ep->is_in == 1) { -+ addr = &core_if->dev_if->in_ep_regs[ep->num]->diepctl; -+ daintmsk.ep.in = 1<<ep->num; -+ } -+ else { -+ addr = &core_if->dev_if->out_ep_regs[ep->num]->doepctl; -+ daintmsk.ep.out = 1<<ep->num; -+ } -+ -+ depctl.b.usbactep = 0; -+ -+ if(core_if->dma_desc_enable) -+ depctl.b.epdis = 1; -+ -+ dwc_write_reg32(addr, depctl.d32); -+ -+ /* Disable the Interrupt for this EP */ -+ if(core_if->multiproc_int_enable) { -+ dwc_modify_reg32(&core_if->dev_if->dev_global_regs->deachintmsk, -+ daintmsk.d32, 0); -+ -+ if (ep->is_in == 1) { -+ dwc_write_reg32(&core_if->dev_if->dev_global_regs->diepeachintmsk[ep->num], 0); -+ } else { -+ dwc_write_reg32(&core_if->dev_if->dev_global_regs->doepeachintmsk[ep->num], 0); -+ } -+ } else { -+ dwc_modify_reg32(&core_if->dev_if->dev_global_regs->daintmsk, -+ daintmsk.d32, 0); -+ } -+} -+ -+/** -+ * This function does the setup for a data transfer for an EP and -+ * starts the transfer. For an IN transfer, the packets will be -+ * loaded into the appropriate Tx FIFO in the ISR. For OUT transfers, -+ * the packets are unloaded from the Rx FIFO in the ISR. the ISR. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param ep The EP to start the transfer on. -+ */ -+static void init_dma_desc_chain(dwc_otg_core_if_t *core_if, dwc_ep_t *ep) -+{ -+ dwc_otg_dma_desc_t* dma_desc; -+ uint32_t offset; -+ uint32_t xfer_est; -+ int i; -+ -+ ep->desc_cnt = ( ep->total_len / ep->maxxfer) + -+ ((ep->total_len % ep->maxxfer) ? 1 : 0); -+ if(!ep->desc_cnt) -+ ep->desc_cnt = 1; -+ -+ dma_desc = ep->desc_addr; -+ xfer_est = ep->total_len; -+ offset = 0; -+ for( i = 0; i < ep->desc_cnt; ++i) { -+ /** DMA Descriptor Setup */ -+ if(xfer_est > ep->maxxfer) { -+ dma_desc->status.b.bs = BS_HOST_BUSY; -+ dma_desc->status.b.l = 0; -+ dma_desc->status.b.ioc = 0; -+ dma_desc->status.b.sp = 0; -+ dma_desc->status.b.bytes = ep->maxxfer; -+ dma_desc->buf = ep->dma_addr + offset; -+ dma_desc->status.b.bs = BS_HOST_READY; -+ -+ xfer_est -= ep->maxxfer; -+ offset += ep->maxxfer; -+ } else { -+ dma_desc->status.b.bs = BS_HOST_BUSY; -+ dma_desc->status.b.l = 1; -+ dma_desc->status.b.ioc = 1; -+ if(ep->is_in) { -+ dma_desc->status.b.sp = (xfer_est % ep->maxpacket) ? -+ 1 : ((ep->sent_zlp) ? 1 : 0); -+ dma_desc->status.b.bytes = xfer_est; -+ } else { -+ dma_desc->status.b.bytes = xfer_est + ((4 - (xfer_est & 0x3)) & 0x3) ; -+ } -+ -+ dma_desc->buf = ep->dma_addr + offset; -+ dma_desc->status.b.bs = BS_HOST_READY; -+ } -+ dma_desc ++; -+ } -+} -+ -+/** -+ * This function does the setup for a data transfer for an EP and -+ * starts the transfer. For an IN transfer, the packets will be -+ * loaded into the appropriate Tx FIFO in the ISR. For OUT transfers, -+ * the packets are unloaded from the Rx FIFO in the ISR. the ISR. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param ep The EP to start the transfer on. -+ */ -+ -+void dwc_otg_ep_start_transfer(dwc_otg_core_if_t *core_if, dwc_ep_t *ep) -+{ -+ depctl_data_t depctl; -+ deptsiz_data_t deptsiz; -+ gintmsk_data_t intr_mask = { .d32 = 0}; -+ -+ DWC_DEBUGPL((DBG_PCDV | DBG_CILV), "%s()\n", __func__); -+ -+ DWC_DEBUGPL(DBG_PCD, "ep%d-%s xfer_len=%d xfer_cnt=%d " -+ "xfer_buff=%p start_xfer_buff=%p\n", -+ ep->num, (ep->is_in?"IN":"OUT"), ep->xfer_len, -+ ep->xfer_count, ep->xfer_buff, ep->start_xfer_buff); -+ -+ /* IN endpoint */ -+ if (ep->is_in == 1) { -+ dwc_otg_dev_in_ep_regs_t *in_regs = -+ core_if->dev_if->in_ep_regs[ep->num]; -+ -+ gnptxsts_data_t gtxstatus; -+ -+ gtxstatus.d32 = -+ dwc_read_reg32(&core_if->core_global_regs->gnptxsts); -+ -+ if(core_if->en_multiple_tx_fifo == 0 && gtxstatus.b.nptxqspcavail == 0) { -+#ifdef DEBUG -+ DWC_PRINT("TX Queue Full (0x%0x)\n", gtxstatus.d32); -+#endif -+ return; -+ } -+ -+ depctl.d32 = dwc_read_reg32(&(in_regs->diepctl)); -+ deptsiz.d32 = dwc_read_reg32(&(in_regs->dieptsiz)); -+ -+ ep->xfer_len += (ep->maxxfer < (ep->total_len - ep->xfer_len)) ? -+ ep->maxxfer : (ep->total_len - ep->xfer_len); -+ -+ /* Zero Length Packet? */ -+ if ((ep->xfer_len - ep->xfer_count) == 0) { -+ deptsiz.b.xfersize = 0; -+ deptsiz.b.pktcnt = 1; -+ } -+ else { -+ /* Program the transfer size and packet count -+ * as follows: xfersize = N * maxpacket + -+ * short_packet pktcnt = N + (short_packet -+ * exist ? 1 : 0) -+ */ -+ deptsiz.b.xfersize = ep->xfer_len - ep->xfer_count; -+ deptsiz.b.pktcnt = -+ (ep->xfer_len - ep->xfer_count - 1 + ep->maxpacket) / -+ ep->maxpacket; -+ } -+ -+ -+ /* Write the DMA register */ -+ if (core_if->dma_enable) { -+ if (core_if->dma_desc_enable == 0) { -+ dwc_write_reg32(&in_regs->dieptsiz, deptsiz.d32); -+ dwc_write_reg32 (&(in_regs->diepdma), -+ (uint32_t)ep->dma_addr); -+ } -+ else { -+ init_dma_desc_chain(core_if, ep); -+ /** DIEPDMAn Register write */ -+ dwc_write_reg32(&in_regs->diepdma, ep->dma_desc_addr); -+ } -+ } -+ else { -+ dwc_write_reg32(&in_regs->dieptsiz, deptsiz.d32); -+ if(ep->type != DWC_OTG_EP_TYPE_ISOC) { -+ /** -+ * Enable the Non-Periodic Tx FIFO empty interrupt, -+ * or the Tx FIFO epmty interrupt in dedicated Tx FIFO mode, -+ * the data will be written into the fifo by the ISR. -+ */ -+ if(core_if->en_multiple_tx_fifo == 0) { -+ intr_mask.b.nptxfempty = 1; -+ dwc_modify_reg32(&core_if->core_global_regs->gintmsk, -+ intr_mask.d32, intr_mask.d32); -+ } -+ else { -+ /* Enable the Tx FIFO Empty Interrupt for this EP */ -+ if(ep->xfer_len > 0) { -+ uint32_t fifoemptymsk = 0; -+ fifoemptymsk = 1 << ep->num; -+ dwc_modify_reg32(&core_if->dev_if->dev_global_regs->dtknqr4_fifoemptymsk, -+ 0, fifoemptymsk); -+ -+ } -+ } -+ } -+ } -+ -+ /* EP enable, IN data in FIFO */ -+ depctl.b.cnak = 1; -+ depctl.b.epena = 1; -+ dwc_write_reg32(&in_regs->diepctl, depctl.d32); -+ -+ depctl.d32 = dwc_read_reg32 (&core_if->dev_if->in_ep_regs[0]->diepctl); -+ depctl.b.nextep = ep->num; -+ dwc_write_reg32 (&core_if->dev_if->in_ep_regs[0]->diepctl, depctl.d32); -+ -+ } -+ else { -+ /* OUT endpoint */ -+ dwc_otg_dev_out_ep_regs_t *out_regs = -+ core_if->dev_if->out_ep_regs[ep->num]; -+ -+ depctl.d32 = dwc_read_reg32(&(out_regs->doepctl)); -+ deptsiz.d32 = dwc_read_reg32(&(out_regs->doeptsiz)); -+ -+ ep->xfer_len += (ep->maxxfer < (ep->total_len - ep->xfer_len)) ? -+ ep->maxxfer : (ep->total_len - ep->xfer_len); -+ -+ /* Program the transfer size and packet count as follows: -+ * -+ * pktcnt = N -+ * xfersize = N * maxpacket -+ */ -+ if ((ep->xfer_len - ep->xfer_count) == 0) { -+ /* Zero Length Packet */ -+ deptsiz.b.xfersize = ep->maxpacket; -+ deptsiz.b.pktcnt = 1; -+ } -+ else { -+ deptsiz.b.pktcnt = -+ (ep->xfer_len - ep->xfer_count + (ep->maxpacket - 1)) / -+ ep->maxpacket; -+ ep->xfer_len = deptsiz.b.pktcnt * ep->maxpacket + ep->xfer_count; -+ deptsiz.b.xfersize = ep->xfer_len - ep->xfer_count; -+ } -+ -+ DWC_DEBUGPL(DBG_PCDV, "ep%d xfersize=%d pktcnt=%d\n", -+ ep->num, -+ deptsiz.b.xfersize, deptsiz.b.pktcnt); -+ -+ if (core_if->dma_enable) { -+ if (!core_if->dma_desc_enable) { -+ dwc_write_reg32(&out_regs->doeptsiz, deptsiz.d32); -+ -+ dwc_write_reg32 (&(out_regs->doepdma), -+ (uint32_t)ep->dma_addr); -+ } -+ else { -+ init_dma_desc_chain(core_if, ep); -+ -+ /** DOEPDMAn Register write */ -+ dwc_write_reg32(&out_regs->doepdma, ep->dma_desc_addr); -+ } -+ } -+ else { -+ dwc_write_reg32(&out_regs->doeptsiz, deptsiz.d32); -+ } -+ -+ /* EP enable */ -+ depctl.b.cnak = 1; -+ depctl.b.epena = 1; -+ -+ dwc_write_reg32(&out_regs->doepctl, depctl.d32); -+ -+ DWC_DEBUGPL(DBG_PCD, "DOEPCTL=%08x DOEPTSIZ=%08x\n", -+ dwc_read_reg32(&out_regs->doepctl), -+ dwc_read_reg32(&out_regs->doeptsiz)); -+ DWC_DEBUGPL(DBG_PCD, "DAINTMSK=%08x GINTMSK=%08x\n", -+ dwc_read_reg32(&core_if->dev_if->dev_global_regs->daintmsk), -+ dwc_read_reg32(&core_if->core_global_regs->gintmsk)); -+ } -+} -+ -+/** -+ * This function setup a zero length transfer in Buffer DMA and -+ * Slave modes for usb requests with zero field set -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param ep The EP to start the transfer on. -+ * -+ */ -+void dwc_otg_ep_start_zl_transfer(dwc_otg_core_if_t *core_if, dwc_ep_t *ep) -+{ -+ -+ depctl_data_t depctl; -+ deptsiz_data_t deptsiz; -+ gintmsk_data_t intr_mask = { .d32 = 0}; -+ -+ DWC_DEBUGPL((DBG_PCDV | DBG_CILV), "%s()\n", __func__); -+ -+ /* IN endpoint */ -+ if (ep->is_in == 1) { -+ dwc_otg_dev_in_ep_regs_t *in_regs = -+ core_if->dev_if->in_ep_regs[ep->num]; -+ -+ depctl.d32 = dwc_read_reg32(&(in_regs->diepctl)); -+ deptsiz.d32 = dwc_read_reg32(&(in_regs->dieptsiz)); -+ -+ deptsiz.b.xfersize = 0; -+ deptsiz.b.pktcnt = 1; -+ -+ -+ /* Write the DMA register */ -+ if (core_if->dma_enable) { -+ if (core_if->dma_desc_enable == 0) { -+ dwc_write_reg32(&in_regs->dieptsiz, deptsiz.d32); -+ dwc_write_reg32 (&(in_regs->diepdma), -+ (uint32_t)ep->dma_addr); -+ } -+ } -+ else { -+ dwc_write_reg32(&in_regs->dieptsiz, deptsiz.d32); -+ /** -+ * Enable the Non-Periodic Tx FIFO empty interrupt, -+ * or the Tx FIFO epmty interrupt in dedicated Tx FIFO mode, -+ * the data will be written into the fifo by the ISR. -+ */ -+ if(core_if->en_multiple_tx_fifo == 0) { -+ intr_mask.b.nptxfempty = 1; -+ dwc_modify_reg32(&core_if->core_global_regs->gintmsk, -+ intr_mask.d32, intr_mask.d32); -+ } -+ else { -+ /* Enable the Tx FIFO Empty Interrupt for this EP */ -+ if(ep->xfer_len > 0) { -+ uint32_t fifoemptymsk = 0; -+ fifoemptymsk = 1 << ep->num; -+ dwc_modify_reg32(&core_if->dev_if->dev_global_regs->dtknqr4_fifoemptymsk, -+ 0, fifoemptymsk); -+ } -+ } -+ } -+ -+ /* EP enable, IN data in FIFO */ -+ depctl.b.cnak = 1; -+ depctl.b.epena = 1; -+ dwc_write_reg32(&in_regs->diepctl, depctl.d32); -+ -+ depctl.d32 = dwc_read_reg32 (&core_if->dev_if->in_ep_regs[0]->diepctl); -+ depctl.b.nextep = ep->num; -+ dwc_write_reg32 (&core_if->dev_if->in_ep_regs[0]->diepctl, depctl.d32); -+ -+ } -+ else { -+ /* OUT endpoint */ -+ dwc_otg_dev_out_ep_regs_t *out_regs = -+ core_if->dev_if->out_ep_regs[ep->num]; -+ -+ depctl.d32 = dwc_read_reg32(&(out_regs->doepctl)); -+ deptsiz.d32 = dwc_read_reg32(&(out_regs->doeptsiz)); -+ -+ /* Zero Length Packet */ -+ deptsiz.b.xfersize = ep->maxpacket; -+ deptsiz.b.pktcnt = 1; -+ -+ if (core_if->dma_enable) { -+ if (!core_if->dma_desc_enable) { -+ dwc_write_reg32(&out_regs->doeptsiz, deptsiz.d32); -+ -+ dwc_write_reg32 (&(out_regs->doepdma), -+ (uint32_t)ep->dma_addr); -+ } -+ } -+ else { -+ dwc_write_reg32(&out_regs->doeptsiz, deptsiz.d32); -+ } -+ -+ /* EP enable */ -+ depctl.b.cnak = 1; -+ depctl.b.epena = 1; -+ -+ dwc_write_reg32(&out_regs->doepctl, depctl.d32); -+ -+ } -+} -+ -+/** -+ * This function does the setup for a data transfer for EP0 and starts -+ * the transfer. For an IN transfer, the packets will be loaded into -+ * the appropriate Tx FIFO in the ISR. For OUT transfers, the packets are -+ * unloaded from the Rx FIFO in the ISR. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param ep The EP0 data. -+ */ -+void dwc_otg_ep0_start_transfer(dwc_otg_core_if_t *core_if, dwc_ep_t *ep) -+{ -+ depctl_data_t depctl; -+ deptsiz0_data_t deptsiz; -+ gintmsk_data_t intr_mask = { .d32 = 0}; -+ dwc_otg_dma_desc_t* dma_desc; -+ -+ DWC_DEBUGPL(DBG_PCD, "ep%d-%s xfer_len=%d xfer_cnt=%d " -+ "xfer_buff=%p start_xfer_buff=%p \n", -+ ep->num, (ep->is_in?"IN":"OUT"), ep->xfer_len, -+ ep->xfer_count, ep->xfer_buff, ep->start_xfer_buff); -+ -+ ep->total_len = ep->xfer_len; -+ -+ /* IN endpoint */ -+ if (ep->is_in == 1) { -+ dwc_otg_dev_in_ep_regs_t *in_regs = -+ core_if->dev_if->in_ep_regs[0]; -+ -+ gnptxsts_data_t gtxstatus; -+ -+ gtxstatus.d32 = -+ dwc_read_reg32(&core_if->core_global_regs->gnptxsts); -+ -+ if(core_if->en_multiple_tx_fifo == 0 && gtxstatus.b.nptxqspcavail == 0) { -+#ifdef DEBUG -+ deptsiz.d32 = dwc_read_reg32(&in_regs->dieptsiz); -+ DWC_DEBUGPL(DBG_PCD,"DIEPCTL0=%0x\n", -+ dwc_read_reg32(&in_regs->diepctl)); -+ DWC_DEBUGPL(DBG_PCD, "DIEPTSIZ0=%0x (sz=%d, pcnt=%d)\n", -+ deptsiz.d32, -+ deptsiz.b.xfersize, deptsiz.b.pktcnt); -+ DWC_PRINT("TX Queue or FIFO Full (0x%0x)\n", -+ gtxstatus.d32); -+#endif -+ return; -+ } -+ -+ -+ depctl.d32 = dwc_read_reg32(&in_regs->diepctl); -+ deptsiz.d32 = dwc_read_reg32(&in_regs->dieptsiz); -+ -+ /* Zero Length Packet? */ -+ if (ep->xfer_len == 0) { -+ deptsiz.b.xfersize = 0; -+ deptsiz.b.pktcnt = 1; -+ } -+ else { -+ /* Program the transfer size and packet count -+ * as follows: xfersize = N * maxpacket + -+ * short_packet pktcnt = N + (short_packet -+ * exist ? 1 : 0) -+ */ -+ if (ep->xfer_len > ep->maxpacket) { -+ ep->xfer_len = ep->maxpacket; -+ deptsiz.b.xfersize = ep->maxpacket; -+ } -+ else { -+ deptsiz.b.xfersize = ep->xfer_len; -+ } -+ deptsiz.b.pktcnt = 1; -+ -+ } -+ DWC_DEBUGPL(DBG_PCDV, "IN len=%d xfersize=%d pktcnt=%d [%08x]\n", -+ ep->xfer_len, -+ deptsiz.b.xfersize, deptsiz.b.pktcnt, deptsiz.d32); -+ -+ /* Write the DMA register */ -+ if (core_if->dma_enable) { -+ if(core_if->dma_desc_enable == 0) { -+ dwc_write_reg32(&in_regs->dieptsiz, deptsiz.d32); -+ -+ dwc_write_reg32 (&(in_regs->diepdma), -+ (uint32_t)ep->dma_addr); -+ } -+ else { -+ dma_desc = core_if->dev_if->in_desc_addr; -+ -+ /** DMA Descriptor Setup */ -+ dma_desc->status.b.bs = BS_HOST_BUSY; -+ dma_desc->status.b.l = 1; -+ dma_desc->status.b.ioc = 1; -+ dma_desc->status.b.sp = (ep->xfer_len == ep->maxpacket) ? 0 : 1; -+ dma_desc->status.b.bytes = ep->xfer_len; -+ dma_desc->buf = ep->dma_addr; -+ dma_desc->status.b.bs = BS_HOST_READY; -+ -+ /** DIEPDMA0 Register write */ -+ dwc_write_reg32(&in_regs->diepdma, core_if->dev_if->dma_in_desc_addr); -+ } -+ } -+ else { -+ dwc_write_reg32(&in_regs->dieptsiz, deptsiz.d32); -+ } -+ -+ /* EP enable, IN data in FIFO */ -+ depctl.b.cnak = 1; -+ depctl.b.epena = 1; -+ dwc_write_reg32(&in_regs->diepctl, depctl.d32); -+ -+ /** -+ * Enable the Non-Periodic Tx FIFO empty interrupt, the -+ * data will be written into the fifo by the ISR. -+ */ -+ if (!core_if->dma_enable) { -+ if(core_if->en_multiple_tx_fifo == 0) { -+ intr_mask.b.nptxfempty = 1; -+ dwc_modify_reg32(&core_if->core_global_regs->gintmsk, -+ intr_mask.d32, intr_mask.d32); -+ } -+ else { -+ /* Enable the Tx FIFO Empty Interrupt for this EP */ -+ if(ep->xfer_len > 0) { -+ uint32_t fifoemptymsk = 0; -+ fifoemptymsk |= 1 << ep->num; -+ dwc_modify_reg32(&core_if->dev_if->dev_global_regs->dtknqr4_fifoemptymsk, -+ 0, fifoemptymsk); -+ } -+ } -+ } -+ } -+ else { -+ /* OUT endpoint */ -+ dwc_otg_dev_out_ep_regs_t *out_regs = -+ core_if->dev_if->out_ep_regs[0]; -+ -+ depctl.d32 = dwc_read_reg32(&out_regs->doepctl); -+ deptsiz.d32 = dwc_read_reg32(&out_regs->doeptsiz); -+ -+ /* Program the transfer size and packet count as follows: -+ * xfersize = N * (maxpacket + 4 - (maxpacket % 4)) -+ * pktcnt = N */ -+ /* Zero Length Packet */ -+ deptsiz.b.xfersize = ep->maxpacket; -+ deptsiz.b.pktcnt = 1; -+ -+ DWC_DEBUGPL(DBG_PCDV, "len=%d xfersize=%d pktcnt=%d\n", -+ ep->xfer_len, -+ deptsiz.b.xfersize, deptsiz.b.pktcnt); -+ -+ if (core_if->dma_enable) { -+ if(!core_if->dma_desc_enable) { -+ dwc_write_reg32(&out_regs->doeptsiz, deptsiz.d32); -+ -+ dwc_write_reg32 (&(out_regs->doepdma), -+ (uint32_t)ep->dma_addr); -+ } -+ else { -+ dma_desc = core_if->dev_if->out_desc_addr; -+ -+ /** DMA Descriptor Setup */ -+ dma_desc->status.b.bs = BS_HOST_BUSY; -+ dma_desc->status.b.l = 1; -+ dma_desc->status.b.ioc = 1; -+ dma_desc->status.b.bytes = ep->maxpacket; -+ dma_desc->buf = ep->dma_addr; -+ dma_desc->status.b.bs = BS_HOST_READY; -+ -+ /** DOEPDMA0 Register write */ -+ dwc_write_reg32(&out_regs->doepdma, core_if->dev_if->dma_out_desc_addr); -+ } -+ } -+ else { -+ dwc_write_reg32(&out_regs->doeptsiz, deptsiz.d32); -+ } -+ -+ /* EP enable */ -+ depctl.b.cnak = 1; -+ depctl.b.epena = 1; -+ dwc_write_reg32 (&(out_regs->doepctl), depctl.d32); -+ } -+} -+ -+/** -+ * This function continues control IN transfers started by -+ * dwc_otg_ep0_start_transfer, when the transfer does not fit in a -+ * single packet. NOTE: The DIEPCTL0/DOEPCTL0 registers only have one -+ * bit for the packet count. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param ep The EP0 data. -+ */ -+void dwc_otg_ep0_continue_transfer(dwc_otg_core_if_t *core_if, dwc_ep_t *ep) -+{ -+ depctl_data_t depctl; -+ deptsiz0_data_t deptsiz; -+ gintmsk_data_t intr_mask = { .d32 = 0}; -+ dwc_otg_dma_desc_t* dma_desc; -+ -+ if (ep->is_in == 1) { -+ dwc_otg_dev_in_ep_regs_t *in_regs = -+ core_if->dev_if->in_ep_regs[0]; -+ gnptxsts_data_t tx_status = { .d32 = 0 }; -+ -+ tx_status.d32 = dwc_read_reg32(&core_if->core_global_regs->gnptxsts); -+ /** @todo Should there be check for room in the Tx -+ * Status Queue. If not remove the code above this comment. */ -+ -+ depctl.d32 = dwc_read_reg32(&in_regs->diepctl); -+ deptsiz.d32 = dwc_read_reg32(&in_regs->dieptsiz); -+ -+ /* Program the transfer size and packet count -+ * as follows: xfersize = N * maxpacket + -+ * short_packet pktcnt = N + (short_packet -+ * exist ? 1 : 0) -+ */ -+ -+ -+ if(core_if->dma_desc_enable == 0) { -+ deptsiz.b.xfersize = (ep->total_len - ep->xfer_count) > ep->maxpacket ? ep->maxpacket : -+ (ep->total_len - ep->xfer_count); -+ deptsiz.b.pktcnt = 1; -+ if(core_if->dma_enable == 0) { -+ ep->xfer_len += deptsiz.b.xfersize; -+ } else { -+ ep->xfer_len = deptsiz.b.xfersize; -+ } -+ dwc_write_reg32(&in_regs->dieptsiz, deptsiz.d32); -+ } -+ else { -+ ep->xfer_len = (ep->total_len - ep->xfer_count) > ep->maxpacket ? ep->maxpacket : -+ (ep->total_len - ep->xfer_count); -+ -+ dma_desc = core_if->dev_if->in_desc_addr; -+ -+ /** DMA Descriptor Setup */ -+ dma_desc->status.b.bs = BS_HOST_BUSY; -+ dma_desc->status.b.l = 1; -+ dma_desc->status.b.ioc = 1; -+ dma_desc->status.b.sp = (ep->xfer_len == ep->maxpacket) ? 0 : 1; -+ dma_desc->status.b.bytes = ep->xfer_len; -+ dma_desc->buf = ep->dma_addr; -+ dma_desc->status.b.bs = BS_HOST_READY; -+ -+ /** DIEPDMA0 Register write */ -+ dwc_write_reg32(&in_regs->diepdma, core_if->dev_if->dma_in_desc_addr); -+ } -+ -+ -+ DWC_DEBUGPL(DBG_PCDV, "IN len=%d xfersize=%d pktcnt=%d [%08x]\n", -+ ep->xfer_len, -+ deptsiz.b.xfersize, deptsiz.b.pktcnt, deptsiz.d32); -+ -+ /* Write the DMA register */ -+ if (core_if->hwcfg2.b.architecture == DWC_INT_DMA_ARCH) { -+ if(core_if->dma_desc_enable == 0) -+ dwc_write_reg32 (&(in_regs->diepdma), (uint32_t)ep->dma_addr); -+ } -+ -+ /* EP enable, IN data in FIFO */ -+ depctl.b.cnak = 1; -+ depctl.b.epena = 1; -+ dwc_write_reg32(&in_regs->diepctl, depctl.d32); -+ -+ /** -+ * Enable the Non-Periodic Tx FIFO empty interrupt, the -+ * data will be written into the fifo by the ISR. -+ */ -+ if (!core_if->dma_enable) { -+ if(core_if->en_multiple_tx_fifo == 0) { -+ /* First clear it from GINTSTS */ -+ intr_mask.b.nptxfempty = 1; -+ dwc_modify_reg32(&core_if->core_global_regs->gintmsk, -+ intr_mask.d32, intr_mask.d32); -+ -+ } -+ else { -+ /* Enable the Tx FIFO Empty Interrupt for this EP */ -+ if(ep->xfer_len > 0) { -+ uint32_t fifoemptymsk = 0; -+ fifoemptymsk |= 1 << ep->num; -+ dwc_modify_reg32(&core_if->dev_if->dev_global_regs->dtknqr4_fifoemptymsk, -+ 0, fifoemptymsk); -+ } -+ } -+ } -+ } -+ else { -+ dwc_otg_dev_out_ep_regs_t *out_regs = -+ core_if->dev_if->out_ep_regs[0]; -+ -+ -+ depctl.d32 = dwc_read_reg32(&out_regs->doepctl); -+ deptsiz.d32 = dwc_read_reg32(&out_regs->doeptsiz); -+ -+ /* Program the transfer size and packet count -+ * as follows: xfersize = N * maxpacket + -+ * short_packet pktcnt = N + (short_packet -+ * exist ? 1 : 0) -+ */ -+ deptsiz.b.xfersize = ep->maxpacket; -+ deptsiz.b.pktcnt = 1; -+ -+ -+ if(core_if->dma_desc_enable == 0) { -+ dwc_write_reg32(&out_regs->doeptsiz, deptsiz.d32); -+ } -+ else { -+ dma_desc = core_if->dev_if->out_desc_addr; -+ -+ /** DMA Descriptor Setup */ -+ dma_desc->status.b.bs = BS_HOST_BUSY; -+ dma_desc->status.b.l = 1; -+ dma_desc->status.b.ioc = 1; -+ dma_desc->status.b.bytes = ep->maxpacket; -+ dma_desc->buf = ep->dma_addr; -+ dma_desc->status.b.bs = BS_HOST_READY; -+ -+ /** DOEPDMA0 Register write */ -+ dwc_write_reg32(&out_regs->doepdma, core_if->dev_if->dma_out_desc_addr); -+ } -+ -+ -+ DWC_DEBUGPL(DBG_PCDV, "IN len=%d xfersize=%d pktcnt=%d [%08x]\n", -+ ep->xfer_len, -+ deptsiz.b.xfersize, deptsiz.b.pktcnt, deptsiz.d32); -+ -+ /* Write the DMA register */ -+ if (core_if->hwcfg2.b.architecture == DWC_INT_DMA_ARCH) { -+ if(core_if->dma_desc_enable == 0) -+ dwc_write_reg32 (&(out_regs->doepdma), (uint32_t)ep->dma_addr); -+ } -+ -+ /* EP enable, IN data in FIFO */ -+ depctl.b.cnak = 1; -+ depctl.b.epena = 1; -+ dwc_write_reg32(&out_regs->doepctl, depctl.d32); -+ -+ } -+} -+ -+#ifdef DEBUG -+void dump_msg(const u8 *buf, unsigned int length) -+{ -+ unsigned int start, num, i; -+ char line[52], *p; -+ -+ if (length >= 512) -+ return; -+ start = 0; -+ while (length > 0) { -+ num = min(length, 16u); -+ p = line; -+ for (i = 0; i < num; ++i) -+ { -+ if (i == 8) -+ *p++ = ' '; -+ sprintf(p, " %02x", buf[i]); -+ p += 3; -+ } -+ *p = 0; -+ DWC_PRINT("%6x: %s\n", start, line); -+ buf += num; -+ start += num; -+ length -= num; -+ } -+} -+#else -+static inline void dump_msg(const u8 *buf, unsigned int length) -+{ -+} -+#endif -+ -+/** -+ * This function writes a packet into the Tx FIFO associated with the -+ * EP. For non-periodic EPs the non-periodic Tx FIFO is written. For -+ * periodic EPs the periodic Tx FIFO associated with the EP is written -+ * with all packets for the next micro-frame. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param ep The EP to write packet for. -+ * @param dma Indicates if DMA is being used. -+ */ -+void dwc_otg_ep_write_packet(dwc_otg_core_if_t *core_if, dwc_ep_t *ep, int dma) -+{ -+ /** -+ * The buffer is padded to DWORD on a per packet basis in -+ * slave/dma mode if the MPS is not DWORD aligned. The last -+ * packet, if short, is also padded to a multiple of DWORD. -+ * -+ * ep->xfer_buff always starts DWORD aligned in memory and is a -+ * multiple of DWORD in length -+ * -+ * ep->xfer_len can be any number of bytes -+ * -+ * ep->xfer_count is a multiple of ep->maxpacket until the last -+ * packet -+ * -+ * FIFO access is DWORD */ -+ -+ uint32_t i; -+ uint32_t byte_count; -+ uint32_t dword_count; -+ uint32_t *fifo; -+ uint32_t *data_buff = (uint32_t *)ep->xfer_buff; -+ -+ DWC_DEBUGPL((DBG_PCDV | DBG_CILV), "%s(%p,%p)\n", __func__, core_if, ep); -+ if (ep->xfer_count >= ep->xfer_len) { -+ DWC_WARN("%s() No data for EP%d!!!\n", __func__, ep->num); -+ return; -+ } -+ -+ /* Find the byte length of the packet either short packet or MPS */ -+ if ((ep->xfer_len - ep->xfer_count) < ep->maxpacket) { -+ byte_count = ep->xfer_len - ep->xfer_count; -+ } -+ else { -+ byte_count = ep->maxpacket; -+ } -+ -+ /* Find the DWORD length, padded by extra bytes as neccessary if MPS -+ * is not a multiple of DWORD */ -+ dword_count = (byte_count + 3) / 4; -+ -+#ifdef VERBOSE -+ dump_msg(ep->xfer_buff, byte_count); -+#endif -+ -+ /**@todo NGS Where are the Periodic Tx FIFO addresses -+ * intialized? What should this be? */ -+ -+ fifo = core_if->data_fifo[ep->num]; -+ -+ -+ DWC_DEBUGPL((DBG_PCDV|DBG_CILV), "fifo=%p buff=%p *p=%08x bc=%d\n", fifo, data_buff, *data_buff, byte_count); -+ -+ if (!dma) { -+ for (i=0; i<dword_count; i++, data_buff++) { -+ dwc_write_reg32(fifo, *data_buff); -+ } -+ } -+ -+ ep->xfer_count += byte_count; -+ ep->xfer_buff += byte_count; -+ ep->dma_addr += byte_count; -+} -+ -+/** -+ * Set the EP STALL. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param ep The EP to set the stall on. -+ */ -+void dwc_otg_ep_set_stall(dwc_otg_core_if_t *core_if, dwc_ep_t *ep) -+{ -+ depctl_data_t depctl; -+ volatile uint32_t *depctl_addr; -+ -+ DWC_DEBUGPL(DBG_PCD, "%s ep%d-%s\n", __func__, ep->num, -+ (ep->is_in?"IN":"OUT")); -+ -+ DWC_PRINT("%s ep%d-%s\n", __func__, ep->num, -+ (ep->is_in?"in":"out")); -+ -+ if (ep->is_in == 1) { -+ depctl_addr = &(core_if->dev_if->in_ep_regs[ep->num]->diepctl); -+ depctl.d32 = dwc_read_reg32(depctl_addr); -+ -+ /* set the disable and stall bits */ -+ if (depctl.b.epena) { -+ depctl.b.epdis = 1; -+ } -+ depctl.b.stall = 1; -+ dwc_write_reg32(depctl_addr, depctl.d32); -+ } -+ else { -+ depctl_addr = &(core_if->dev_if->out_ep_regs[ep->num]->doepctl); -+ depctl.d32 = dwc_read_reg32(depctl_addr); -+ -+ /* set the stall bit */ -+ depctl.b.stall = 1; -+ dwc_write_reg32(depctl_addr, depctl.d32); -+ } -+ -+ DWC_DEBUGPL(DBG_PCD,"DEPCTL=%0x\n",dwc_read_reg32(depctl_addr)); -+ -+ return; -+} -+ -+/** -+ * Clear the EP STALL. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param ep The EP to clear stall from. -+ */ -+void dwc_otg_ep_clear_stall(dwc_otg_core_if_t *core_if, dwc_ep_t *ep) -+{ -+ depctl_data_t depctl; -+ volatile uint32_t *depctl_addr; -+ -+ DWC_DEBUGPL(DBG_PCD, "%s ep%d-%s\n", __func__, ep->num, -+ (ep->is_in?"IN":"OUT")); -+ -+ if (ep->is_in == 1) { -+ depctl_addr = &(core_if->dev_if->in_ep_regs[ep->num]->diepctl); -+ } -+ else { -+ depctl_addr = &(core_if->dev_if->out_ep_regs[ep->num]->doepctl); -+ } -+ -+ depctl.d32 = dwc_read_reg32(depctl_addr); -+ -+ /* clear the stall bits */ -+ depctl.b.stall = 0; -+ -+ /* -+ * USB Spec 9.4.5: For endpoints using data toggle, regardless -+ * of whether an endpoint has the Halt feature set, a -+ * ClearFeature(ENDPOINT_HALT) request always results in the -+ * data toggle being reinitialized to DATA0. -+ */ -+ if (ep->type == DWC_OTG_EP_TYPE_INTR || -+ ep->type == DWC_OTG_EP_TYPE_BULK) { -+ depctl.b.setd0pid = 1; /* DATA0 */ -+ } -+ -+ dwc_write_reg32(depctl_addr, depctl.d32); -+ DWC_DEBUGPL(DBG_PCD,"DEPCTL=%0x\n",dwc_read_reg32(depctl_addr)); -+ return; -+} -+ -+/** -+ * This function reads a packet from the Rx FIFO into the destination -+ * buffer. To read SETUP data use dwc_otg_read_setup_packet. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param dest Destination buffer for the packet. -+ * @param bytes Number of bytes to copy to the destination. -+ */ -+void dwc_otg_read_packet(dwc_otg_core_if_t *core_if, -+ uint8_t *dest, -+ uint16_t bytes) -+{ -+ int i; -+ int word_count = (bytes + 3) / 4; -+ -+ volatile uint32_t *fifo = core_if->data_fifo[0]; -+ uint32_t *data_buff = (uint32_t *)dest; -+ -+ /** -+ * @todo Account for the case where _dest is not dword aligned. This -+ * requires reading data from the FIFO into a uint32_t temp buffer, -+ * then moving it into the data buffer. -+ */ -+ -+ DWC_DEBUGPL((DBG_PCDV | DBG_CILV), "%s(%p,%p,%d)\n", __func__, -+ core_if, dest, bytes); -+ -+ for (i=0; i<word_count; i++, data_buff++) -+ { -+ *data_buff = dwc_read_reg32(fifo); -+ } -+ -+ return; -+} -+ -+ -+ -+/** -+ * This functions reads the device registers and prints them -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ */ -+void dwc_otg_dump_dev_registers(dwc_otg_core_if_t *core_if) -+{ -+ int i; -+ volatile uint32_t *addr; -+ -+ DWC_PRINT("Device Global Registers\n"); -+ addr=&core_if->dev_if->dev_global_regs->dcfg; -+ DWC_PRINT("DCFG @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->dev_if->dev_global_regs->dctl; -+ DWC_PRINT("DCTL @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->dev_if->dev_global_regs->dsts; -+ DWC_PRINT("DSTS @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->dev_if->dev_global_regs->diepmsk; -+ DWC_PRINT("DIEPMSK @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->dev_if->dev_global_regs->doepmsk; -+ DWC_PRINT("DOEPMSK @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->dev_if->dev_global_regs->daint; -+ DWC_PRINT("DAINT @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->dev_if->dev_global_regs->daintmsk; -+ DWC_PRINT("DAINTMSK @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->dev_if->dev_global_regs->dtknqr1; -+ DWC_PRINT("DTKNQR1 @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ if (core_if->hwcfg2.b.dev_token_q_depth > 6) { -+ addr=&core_if->dev_if->dev_global_regs->dtknqr2; -+ DWC_PRINT("DTKNQR2 @0x%08X : 0x%08X\n", -+ (uint32_t)addr,dwc_read_reg32(addr)); -+ } -+ -+ addr=&core_if->dev_if->dev_global_regs->dvbusdis; -+ DWC_PRINT("DVBUSID @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ -+ addr=&core_if->dev_if->dev_global_regs->dvbuspulse; -+ DWC_PRINT("DVBUSPULSE @0x%08X : 0x%08X\n", -+ (uint32_t)addr,dwc_read_reg32(addr)); -+ -+ if (core_if->hwcfg2.b.dev_token_q_depth > 14) { -+ addr=&core_if->dev_if->dev_global_regs->dtknqr3_dthrctl; -+ DWC_PRINT("DTKNQR3_DTHRCTL @0x%08X : 0x%08X\n", -+ (uint32_t)addr, dwc_read_reg32(addr)); -+ } -+/* -+ if (core_if->hwcfg2.b.dev_token_q_depth > 22) { -+ addr=&core_if->dev_if->dev_global_regs->dtknqr4_fifoemptymsk; -+ DWC_PRINT("DTKNQR4 @0x%08X : 0x%08X\n", -+ (uint32_t)addr, dwc_read_reg32(addr)); -+ } -+*/ -+ addr=&core_if->dev_if->dev_global_regs->dtknqr4_fifoemptymsk; -+ DWC_PRINT("FIFOEMPMSK @0x%08X : 0x%08X\n", (uint32_t)addr, dwc_read_reg32(addr)); -+ -+ addr=&core_if->dev_if->dev_global_regs->deachint; -+ DWC_PRINT("DEACHINT @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->dev_if->dev_global_regs->deachintmsk; -+ DWC_PRINT("DEACHINTMSK @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ -+ for (i=0; i<= core_if->dev_if->num_in_eps; i++) { -+ addr=&core_if->dev_if->dev_global_regs->diepeachintmsk[i]; -+ DWC_PRINT("DIEPEACHINTMSK[%d] @0x%08X : 0x%08X\n", i, (uint32_t)addr, dwc_read_reg32(addr)); -+ } -+ -+ -+ for (i=0; i<= core_if->dev_if->num_out_eps; i++) { -+ addr=&core_if->dev_if->dev_global_regs->doepeachintmsk[i]; -+ DWC_PRINT("DOEPEACHINTMSK[%d] @0x%08X : 0x%08X\n", i, (uint32_t)addr, dwc_read_reg32(addr)); -+ } -+ -+ for (i=0; i<= core_if->dev_if->num_in_eps; i++) { -+ DWC_PRINT("Device IN EP %d Registers\n", i); -+ addr=&core_if->dev_if->in_ep_regs[i]->diepctl; -+ DWC_PRINT("DIEPCTL @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->dev_if->in_ep_regs[i]->diepint; -+ DWC_PRINT("DIEPINT @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->dev_if->in_ep_regs[i]->dieptsiz; -+ DWC_PRINT("DIETSIZ @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->dev_if->in_ep_regs[i]->diepdma; -+ DWC_PRINT("DIEPDMA @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->dev_if->in_ep_regs[i]->dtxfsts; -+ DWC_PRINT("DTXFSTS @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->dev_if->in_ep_regs[i]->diepdmab; -+ DWC_PRINT("DIEPDMAB @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ } -+ -+ -+ for (i=0; i<= core_if->dev_if->num_out_eps; i++) { -+ DWC_PRINT("Device OUT EP %d Registers\n", i); -+ addr=&core_if->dev_if->out_ep_regs[i]->doepctl; -+ DWC_PRINT("DOEPCTL @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->dev_if->out_ep_regs[i]->doepfn; -+ DWC_PRINT("DOEPFN @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->dev_if->out_ep_regs[i]->doepint; -+ DWC_PRINT("DOEPINT @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->dev_if->out_ep_regs[i]->doeptsiz; -+ DWC_PRINT("DOETSIZ @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->dev_if->out_ep_regs[i]->doepdma; -+ DWC_PRINT("DOEPDMA @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->dev_if->out_ep_regs[i]->doepdmab; -+ DWC_PRINT("DOEPDMAB @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ -+ } -+ -+ -+ -+ return; -+} -+ -+/** -+ * This functions reads the SPRAM and prints its content -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ */ -+void dwc_otg_dump_spram(dwc_otg_core_if_t *core_if) -+{ -+ volatile uint8_t *addr, *start_addr, *end_addr; -+ -+ DWC_PRINT("SPRAM Data:\n"); -+ start_addr = (void*)core_if->core_global_regs; -+ DWC_PRINT("Base Address: 0x%8X\n", (uint32_t)start_addr); -+ start_addr += 0x00028000; -+ end_addr=(void*)core_if->core_global_regs; -+ end_addr += 0x000280e0; -+ -+ for(addr = start_addr; addr < end_addr; addr+=16) -+ { -+ DWC_PRINT("0x%8X:\t%2X %2X %2X %2X %2X %2X %2X %2X %2X %2X %2X %2X %2X %2X %2X %2X\n", (uint32_t)addr, -+ addr[0], -+ addr[1], -+ addr[2], -+ addr[3], -+ addr[4], -+ addr[5], -+ addr[6], -+ addr[7], -+ addr[8], -+ addr[9], -+ addr[10], -+ addr[11], -+ addr[12], -+ addr[13], -+ addr[14], -+ addr[15] -+ ); -+ } -+ -+ return; -+} -+/** -+ * This function reads the host registers and prints them -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ */ -+void dwc_otg_dump_host_registers(dwc_otg_core_if_t *core_if) -+{ -+ int i; -+ volatile uint32_t *addr; -+ -+ DWC_PRINT("Host Global Registers\n"); -+ addr=&core_if->host_if->host_global_regs->hcfg; -+ DWC_PRINT("HCFG @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->host_if->host_global_regs->hfir; -+ DWC_PRINT("HFIR @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->host_if->host_global_regs->hfnum; -+ DWC_PRINT("HFNUM @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->host_if->host_global_regs->hptxsts; -+ DWC_PRINT("HPTXSTS @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->host_if->host_global_regs->haint; -+ DWC_PRINT("HAINT @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->host_if->host_global_regs->haintmsk; -+ DWC_PRINT("HAINTMSK @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=core_if->host_if->hprt0; -+ DWC_PRINT("HPRT0 @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ -+ for (i=0; i<core_if->core_params->host_channels; i++) -+ { -+ DWC_PRINT("Host Channel %d Specific Registers\n", i); -+ addr=&core_if->host_if->hc_regs[i]->hcchar; -+ DWC_PRINT("HCCHAR @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->host_if->hc_regs[i]->hcsplt; -+ DWC_PRINT("HCSPLT @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->host_if->hc_regs[i]->hcint; -+ DWC_PRINT("HCINT @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->host_if->hc_regs[i]->hcintmsk; -+ DWC_PRINT("HCINTMSK @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->host_if->hc_regs[i]->hctsiz; -+ DWC_PRINT("HCTSIZ @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->host_if->hc_regs[i]->hcdma; -+ DWC_PRINT("HCDMA @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ } -+ return; -+} -+ -+/** -+ * This function reads the core global registers and prints them -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ */ -+void dwc_otg_dump_global_registers(dwc_otg_core_if_t *core_if) -+{ -+ int i; -+ volatile uint32_t *addr; -+ -+ DWC_PRINT("Core Global Registers\n"); -+ addr=&core_if->core_global_regs->gotgctl; -+ DWC_PRINT("GOTGCTL @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->core_global_regs->gotgint; -+ DWC_PRINT("GOTGINT @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->core_global_regs->gahbcfg; -+ DWC_PRINT("GAHBCFG @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->core_global_regs->gusbcfg; -+ DWC_PRINT("GUSBCFG @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->core_global_regs->grstctl; -+ DWC_PRINT("GRSTCTL @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->core_global_regs->gintsts; -+ DWC_PRINT("GINTSTS @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->core_global_regs->gintmsk; -+ DWC_PRINT("GINTMSK @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->core_global_regs->grxstsr; -+ DWC_PRINT("GRXSTSR @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ //addr=&core_if->core_global_regs->grxstsp; -+ //DWC_PRINT("GRXSTSP @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->core_global_regs->grxfsiz; -+ DWC_PRINT("GRXFSIZ @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->core_global_regs->gnptxfsiz; -+ DWC_PRINT("GNPTXFSIZ @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->core_global_regs->gnptxsts; -+ DWC_PRINT("GNPTXSTS @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->core_global_regs->gi2cctl; -+ DWC_PRINT("GI2CCTL @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->core_global_regs->gpvndctl; -+ DWC_PRINT("GPVNDCTL @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->core_global_regs->ggpio; -+ DWC_PRINT("GGPIO @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->core_global_regs->guid; -+ DWC_PRINT("GUID @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->core_global_regs->gsnpsid; -+ DWC_PRINT("GSNPSID @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->core_global_regs->ghwcfg1; -+ DWC_PRINT("GHWCFG1 @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->core_global_regs->ghwcfg2; -+ DWC_PRINT("GHWCFG2 @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->core_global_regs->ghwcfg3; -+ DWC_PRINT("GHWCFG3 @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->core_global_regs->ghwcfg4; -+ DWC_PRINT("GHWCFG4 @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ addr=&core_if->core_global_regs->hptxfsiz; -+ DWC_PRINT("HPTXFSIZ @0x%08X : 0x%08X\n",(uint32_t)addr,dwc_read_reg32(addr)); -+ -+ for (i=0; i<core_if->hwcfg4.b.num_dev_perio_in_ep; i++) -+ { -+ addr=&core_if->core_global_regs->dptxfsiz_dieptxf[i]; -+ DWC_PRINT("DPTXFSIZ[%d] @0x%08X : 0x%08X\n",i,(uint32_t)addr,dwc_read_reg32(addr)); -+ } -+} -+ -+/** -+ * Flush a Tx FIFO. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param num Tx FIFO to flush. -+ */ -+void dwc_otg_flush_tx_fifo(dwc_otg_core_if_t *core_if, -+ const int num) -+{ -+ dwc_otg_core_global_regs_t *global_regs = core_if->core_global_regs; -+ volatile grstctl_t greset = { .d32 = 0}; -+ int count = 0; -+ -+ DWC_DEBUGPL((DBG_CIL|DBG_PCDV), "Flush Tx FIFO %d\n", num); -+ -+ greset.b.txfflsh = 1; -+ greset.b.txfnum = num; -+ dwc_write_reg32(&global_regs->grstctl, greset.d32); -+ -+ do { -+ greset.d32 = dwc_read_reg32(&global_regs->grstctl); -+ if (++count > 10000) { -+ DWC_WARN("%s() HANG! GRSTCTL=%0x GNPTXSTS=0x%08x\n", -+ __func__, greset.d32, -+ dwc_read_reg32(&global_regs->gnptxsts)); -+ break; -+ } -+ } -+ while (greset.b.txfflsh == 1); -+ -+ /* Wait for 3 PHY Clocks*/ -+ UDELAY(1); -+} -+ -+/** -+ * Flush Rx FIFO. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ */ -+void dwc_otg_flush_rx_fifo(dwc_otg_core_if_t *core_if) -+{ -+ dwc_otg_core_global_regs_t *global_regs = core_if->core_global_regs; -+ volatile grstctl_t greset = { .d32 = 0}; -+ int count = 0; -+ -+ DWC_DEBUGPL((DBG_CIL|DBG_PCDV), "%s\n", __func__); -+ /* -+ * -+ */ -+ greset.b.rxfflsh = 1; -+ dwc_write_reg32(&global_regs->grstctl, greset.d32); -+ -+ do { -+ greset.d32 = dwc_read_reg32(&global_regs->grstctl); -+ if (++count > 10000) { -+ DWC_WARN("%s() HANG! GRSTCTL=%0x\n", __func__, -+ greset.d32); -+ break; -+ } -+ } -+ while (greset.b.rxfflsh == 1); -+ -+ /* Wait for 3 PHY Clocks*/ -+ UDELAY(1); -+} -+ -+/** -+ * Do core a soft reset of the core. Be careful with this because it -+ * resets all the internal state machines of the core. -+ */ -+void dwc_otg_core_reset(dwc_otg_core_if_t *core_if) -+{ -+ dwc_otg_core_global_regs_t *global_regs = core_if->core_global_regs; -+ volatile grstctl_t greset = { .d32 = 0}; -+ int count = 0; -+ -+ DWC_DEBUGPL(DBG_CILV, "%s\n", __func__); -+ /* Wait for AHB master IDLE state. */ -+ do { -+ UDELAY(10); -+ greset.d32 = dwc_read_reg32(&global_regs->grstctl); -+ if (++count > 100000) { -+ DWC_WARN("%s() HANG! AHB Idle GRSTCTL=%0x\n", __func__, -+ greset.d32); -+ return; -+ } -+ } -+ while (greset.b.ahbidle == 0); -+ -+ /* Core Soft Reset */ -+ count = 0; -+ greset.b.csftrst = 1; -+ dwc_write_reg32(&global_regs->grstctl, greset.d32); -+ do { -+ greset.d32 = dwc_read_reg32(&global_regs->grstctl); -+ if (++count > 10000) { -+ DWC_WARN("%s() HANG! Soft Reset GRSTCTL=%0x\n", __func__, -+ greset.d32); -+ break; -+ } -+ } -+ while (greset.b.csftrst == 1); -+ -+ /* Wait for 3 PHY Clocks*/ -+ MDELAY(100); -+} -+ -+ -+ -+/** -+ * Register HCD callbacks. The callbacks are used to start and stop -+ * the HCD for interrupt processing. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param cb the HCD callback structure. -+ * @param p pointer to be passed to callback function (usb_hcd*). -+ */ -+void dwc_otg_cil_register_hcd_callbacks(dwc_otg_core_if_t *core_if, -+ dwc_otg_cil_callbacks_t *cb, -+ void *p) -+{ -+ core_if->hcd_cb = cb; -+ cb->p = p; -+} -+ -+/** -+ * Register PCD callbacks. The callbacks are used to start and stop -+ * the PCD for interrupt processing. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param cb the PCD callback structure. -+ * @param p pointer to be passed to callback function (pcd*). -+ */ -+void dwc_otg_cil_register_pcd_callbacks(dwc_otg_core_if_t *core_if, -+ dwc_otg_cil_callbacks_t *cb, -+ void *p) -+{ -+ core_if->pcd_cb = cb; -+ cb->p = p; -+} -+ -+#ifdef DWC_EN_ISOC -+ -+/** -+ * This function writes isoc data per 1 (micro)frame into tx fifo -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param ep The EP to start the transfer on. -+ * -+ */ -+void write_isoc_frame_data(dwc_otg_core_if_t *core_if, dwc_ep_t *ep) -+{ -+ dwc_otg_dev_in_ep_regs_t *ep_regs; -+ dtxfsts_data_t txstatus = {.d32 = 0}; -+ uint32_t len = 0; -+ uint32_t dwords; -+ -+ ep->xfer_len = ep->data_per_frame; -+ ep->xfer_count = 0; -+ -+ ep_regs = core_if->dev_if->in_ep_regs[ep->num]; -+ -+ len = ep->xfer_len - ep->xfer_count; -+ -+ if (len > ep->maxpacket) { -+ len = ep->maxpacket; -+ } -+ -+ dwords = (len + 3)/4; -+ -+ /* While there is space in the queue and space in the FIFO and -+ * More data to tranfer, Write packets to the Tx FIFO */ -+ txstatus.d32 = dwc_read_reg32(&core_if->dev_if->in_ep_regs[ep->num]->dtxfsts); -+ DWC_DEBUGPL(DBG_PCDV, "b4 dtxfsts[%d]=0x%08x\n",ep->num,txstatus.d32); -+ -+ while (txstatus.b.txfspcavail > dwords && -+ ep->xfer_count < ep->xfer_len && -+ ep->xfer_len != 0) { -+ /* Write the FIFO */ -+ dwc_otg_ep_write_packet(core_if, ep, 0); -+ -+ len = ep->xfer_len - ep->xfer_count; -+ if (len > ep->maxpacket) { -+ len = ep->maxpacket; -+ } -+ -+ dwords = (len + 3)/4; -+ txstatus.d32 = dwc_read_reg32(&core_if->dev_if->in_ep_regs[ep->num]->dtxfsts); -+ DWC_DEBUGPL(DBG_PCDV,"dtxfsts[%d]=0x%08x\n", ep->num, txstatus.d32); -+ } -+} -+ -+ -+/** -+ * This function initializes a descriptor chain for Isochronous transfer -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param ep The EP to start the transfer on. -+ * -+ */ -+void dwc_otg_iso_ep_start_frm_transfer(dwc_otg_core_if_t *core_if, dwc_ep_t *ep) -+{ -+ deptsiz_data_t deptsiz = { .d32 = 0 }; -+ depctl_data_t depctl = { .d32 = 0 }; -+ dsts_data_t dsts = { .d32 = 0 }; -+ volatile uint32_t *addr; -+ -+ if(ep->is_in) { -+ addr = &core_if->dev_if->in_ep_regs[ep->num]->diepctl; -+ } else { -+ addr = &core_if->dev_if->out_ep_regs[ep->num]->doepctl; -+ } -+ -+ ep->xfer_len = ep->data_per_frame; -+ ep->xfer_count = 0; -+ ep->xfer_buff = ep->cur_pkt_addr; -+ ep->dma_addr = ep->cur_pkt_dma_addr; -+ -+ if(ep->is_in) { -+ /* Program the transfer size and packet count -+ * as follows: xfersize = N * maxpacket + -+ * short_packet pktcnt = N + (short_packet -+ * exist ? 1 : 0) -+ */ -+ deptsiz.b.xfersize = ep->xfer_len; -+ deptsiz.b.pktcnt = -+ (ep->xfer_len - 1 + ep->maxpacket) / -+ ep->maxpacket; -+ deptsiz.b.mc = deptsiz.b.pktcnt; -+ dwc_write_reg32(&core_if->dev_if->in_ep_regs[ep->num]->dieptsiz, deptsiz.d32); -+ -+ /* Write the DMA register */ -+ if (core_if->dma_enable) { -+ dwc_write_reg32 (&(core_if->dev_if->in_ep_regs[ep->num]->diepdma), (uint32_t)ep->dma_addr); -+ } -+ } else { -+ deptsiz.b.pktcnt = -+ (ep->xfer_len + (ep->maxpacket - 1)) / -+ ep->maxpacket; -+ deptsiz.b.xfersize = deptsiz.b.pktcnt * ep->maxpacket; -+ -+ dwc_write_reg32(&core_if->dev_if->out_ep_regs[ep->num]->doeptsiz, deptsiz.d32); -+ -+ if (core_if->dma_enable) { -+ dwc_write_reg32 (&(core_if->dev_if->out_ep_regs[ep->num]->doepdma), -+ (uint32_t)ep->dma_addr); -+ } -+ } -+ -+ -+ /** Enable endpoint, clear nak */ -+ -+ depctl.d32 = 0; -+ if(ep->bInterval == 1) { -+ dsts.d32 = dwc_read_reg32(&core_if->dev_if->dev_global_regs->dsts); -+ ep->next_frame = dsts.b.soffn + ep->bInterval; -+ -+ if(ep->next_frame & 0x1) { -+ depctl.b.setd1pid = 1; -+ } else { -+ depctl.b.setd0pid = 1; -+ } -+ } else { -+ ep->next_frame += ep->bInterval; -+ -+ if(ep->next_frame & 0x1) { -+ depctl.b.setd1pid = 1; -+ } else { -+ depctl.b.setd0pid = 1; -+ } -+ } -+ depctl.b.epena = 1; -+ depctl.b.cnak = 1; -+ -+ dwc_modify_reg32(addr, 0, depctl.d32); -+ depctl.d32 = dwc_read_reg32(addr); -+ -+ if(ep->is_in && core_if->dma_enable == 0) { -+ write_isoc_frame_data(core_if, ep); -+ } -+ -+} -+ -+#endif //DWC_EN_ISOC ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_cil.h -@@ -0,0 +1,1098 @@ -+/* ========================================================================== -+ * $File: //dwh/usb_iip/dev/software/otg/linux/drivers/dwc_otg_cil.h $ -+ * $Revision: 1.2 $ -+ * $Date: 2008-11-21 05:39:15 $ -+ * $Change: 1099526 $ -+ * -+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, -+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless -+ * otherwise expressly agreed to in writing between Synopsys and you. -+ * -+ * The Software IS NOT an item of Licensed Software or Licensed Product under -+ * any End User Software License Agreement or Agreement for Licensed Product -+ * with Synopsys or any supplement thereto. You are permitted to use and -+ * redistribute this Software in source and binary forms, with or without -+ * modification, provided that redistributions of source code must retain this -+ * notice. You may not view, use, disclose, copy or distribute this file or -+ * any information contained herein except pursuant to this license grant from -+ * Synopsys. If you do not agree with this notice, including the disclaimer -+ * below, then you are not authorized to use the Software. -+ * -+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS -+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, -+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH -+ * DAMAGE. -+ * ========================================================================== */ -+ -+#if !defined(__DWC_CIL_H__) -+#define __DWC_CIL_H__ -+ -+#include <linux/workqueue.h> -+#include <linux/version.h> -+#include <asm/param.h> -+ -+#include "linux/dwc_otg_plat.h" -+#include "dwc_otg_regs.h" -+#ifdef DEBUG -+#include "linux/timer.h" -+#endif -+ -+/** -+ * @file -+ * This file contains the interface to the Core Interface Layer. -+ */ -+ -+ -+/** Macros defined for DWC OTG HW Release verison */ -+#define OTG_CORE_REV_2_00 0x4F542000 -+#define OTG_CORE_REV_2_60a 0x4F54260A -+#define OTG_CORE_REV_2_71a 0x4F54271A -+#define OTG_CORE_REV_2_72a 0x4F54272A -+ -+/** -+*/ -+typedef struct iso_pkt_info -+{ -+ uint32_t offset; -+ uint32_t length; -+ int32_t status; -+} iso_pkt_info_t; -+/** -+ * The <code>dwc_ep</code> structure represents the state of a single -+ * endpoint when acting in device mode. It contains the data items -+ * needed for an endpoint to be activated and transfer packets. -+ */ -+typedef struct dwc_ep -+{ -+ /** EP number used for register address lookup */ -+ uint8_t num; -+ /** EP direction 0 = OUT */ -+ unsigned is_in : 1; -+ /** EP active. */ -+ unsigned active : 1; -+ -+ /** Periodic Tx FIFO # for IN EPs For INTR EP set to 0 to use non-periodic Tx FIFO -+ If dedicated Tx FIFOs are enabled for all IN Eps - Tx FIFO # FOR IN EPs*/ -+ unsigned tx_fifo_num : 4; -+ /** EP type: 0 - Control, 1 - ISOC, 2 - BULK, 3 - INTR */ -+ unsigned type : 2; -+#define DWC_OTG_EP_TYPE_CONTROL 0 -+#define DWC_OTG_EP_TYPE_ISOC 1 -+#define DWC_OTG_EP_TYPE_BULK 2 -+#define DWC_OTG_EP_TYPE_INTR 3 -+ -+ /** DATA start PID for INTR and BULK EP */ -+ unsigned data_pid_start : 1; -+ /** Frame (even/odd) for ISOC EP */ -+ unsigned even_odd_frame : 1; -+ /** Max Packet bytes */ -+ unsigned maxpacket : 11; -+ -+ /** Max Transfer size */ -+ unsigned maxxfer : 16; -+ -+ /** @name Transfer state */ -+ /** @{ */ -+ -+ /** -+ * Pointer to the beginning of the transfer buffer -- do not modify -+ * during transfer. -+ */ -+ -+ uint32_t dma_addr; -+ -+ uint32_t dma_desc_addr; -+ dwc_otg_dma_desc_t* desc_addr; -+ -+ -+ uint8_t *start_xfer_buff; -+ /** pointer to the transfer buffer */ -+ uint8_t *xfer_buff; -+ /** Number of bytes to transfer */ -+ unsigned xfer_len : 19; -+ /** Number of bytes transferred. */ -+ unsigned xfer_count : 19; -+ /** Sent ZLP */ -+ unsigned sent_zlp : 1; -+ /** Total len for control transfer */ -+ unsigned total_len : 19; -+ -+ /** stall clear flag */ -+ unsigned stall_clear_flag : 1; -+ -+ /** Allocated DMA Desc count */ -+ uint32_t desc_cnt; -+ -+#ifdef DWC_EN_ISOC -+ /** -+ * Variables specific for ISOC EPs -+ * -+ */ -+ /** DMA addresses of ISOC buffers */ -+ uint32_t dma_addr0; -+ uint32_t dma_addr1; -+ -+ uint32_t iso_dma_desc_addr; -+ dwc_otg_dma_desc_t* iso_desc_addr; -+ -+ /** pointer to the transfer buffers */ -+ uint8_t *xfer_buff0; -+ uint8_t *xfer_buff1; -+ -+ /** number of ISOC Buffer is processing */ -+ uint32_t proc_buf_num; -+ /** Interval of ISOC Buffer processing */ -+ uint32_t buf_proc_intrvl; -+ /** Data size for regular frame */ -+ uint32_t data_per_frame; -+ -+ /* todo - pattern data support is to be implemented in the future */ -+ /** Data size for pattern frame */ -+ uint32_t data_pattern_frame; -+ /** Frame number of pattern data */ -+ uint32_t sync_frame; -+ -+ /** bInterval */ -+ uint32_t bInterval; -+ /** ISO Packet number per frame */ -+ uint32_t pkt_per_frm; -+ /** Next frame num for which will be setup DMA Desc */ -+ uint32_t next_frame; -+ /** Number of packets per buffer processing */ -+ uint32_t pkt_cnt; -+ /** Info for all isoc packets */ -+ iso_pkt_info_t *pkt_info; -+ /** current pkt number */ -+ uint32_t cur_pkt; -+ /** current pkt number */ -+ uint8_t *cur_pkt_addr; -+ /** current pkt number */ -+ uint32_t cur_pkt_dma_addr; -+#endif //DWC_EN_ISOC -+/** @} */ -+} dwc_ep_t; -+ -+/* -+ * Reasons for halting a host channel. -+ */ -+typedef enum dwc_otg_halt_status -+{ -+ DWC_OTG_HC_XFER_NO_HALT_STATUS, -+ DWC_OTG_HC_XFER_COMPLETE, -+ DWC_OTG_HC_XFER_URB_COMPLETE, -+ DWC_OTG_HC_XFER_ACK, -+ DWC_OTG_HC_XFER_NAK, -+ DWC_OTG_HC_XFER_NYET, -+ DWC_OTG_HC_XFER_STALL, -+ DWC_OTG_HC_XFER_XACT_ERR, -+ DWC_OTG_HC_XFER_FRAME_OVERRUN, -+ DWC_OTG_HC_XFER_BABBLE_ERR, -+ DWC_OTG_HC_XFER_DATA_TOGGLE_ERR, -+ DWC_OTG_HC_XFER_AHB_ERR, -+ DWC_OTG_HC_XFER_PERIODIC_INCOMPLETE, -+ DWC_OTG_HC_XFER_URB_DEQUEUE -+} dwc_otg_halt_status_e; -+ -+/** -+ * Host channel descriptor. This structure represents the state of a single -+ * host channel when acting in host mode. It contains the data items needed to -+ * transfer packets to an endpoint via a host channel. -+ */ -+typedef struct dwc_hc -+{ -+ /** Host channel number used for register address lookup */ -+ uint8_t hc_num; -+ -+ /** Device to access */ -+ unsigned dev_addr : 7; -+ -+ /** EP to access */ -+ unsigned ep_num : 4; -+ -+ /** EP direction. 0: OUT, 1: IN */ -+ unsigned ep_is_in : 1; -+ -+ /** -+ * EP speed. -+ * One of the following values: -+ * - DWC_OTG_EP_SPEED_LOW -+ * - DWC_OTG_EP_SPEED_FULL -+ * - DWC_OTG_EP_SPEED_HIGH -+ */ -+ unsigned speed : 2; -+#define DWC_OTG_EP_SPEED_LOW 0 -+#define DWC_OTG_EP_SPEED_FULL 1 -+#define DWC_OTG_EP_SPEED_HIGH 2 -+ -+ /** -+ * Endpoint type. -+ * One of the following values: -+ * - DWC_OTG_EP_TYPE_CONTROL: 0 -+ * - DWC_OTG_EP_TYPE_ISOC: 1 -+ * - DWC_OTG_EP_TYPE_BULK: 2 -+ * - DWC_OTG_EP_TYPE_INTR: 3 -+ */ -+ unsigned ep_type : 2; -+ -+ /** Max packet size in bytes */ -+ unsigned max_packet : 11; -+ -+ /** -+ * PID for initial transaction. -+ * 0: DATA0,<br> -+ * 1: DATA2,<br> -+ * 2: DATA1,<br> -+ * 3: MDATA (non-Control EP), -+ * SETUP (Control EP) -+ */ -+ unsigned data_pid_start : 2; -+#define DWC_OTG_HC_PID_DATA0 0 -+#define DWC_OTG_HC_PID_DATA2 1 -+#define DWC_OTG_HC_PID_DATA1 2 -+#define DWC_OTG_HC_PID_MDATA 3 -+#define DWC_OTG_HC_PID_SETUP 3 -+ -+ /** Number of periodic transactions per (micro)frame */ -+ unsigned multi_count: 2; -+ -+ /** @name Transfer State */ -+ /** @{ */ -+ -+ /** Pointer to the current transfer buffer position. */ -+ uint8_t *xfer_buff; -+ /** Total number of bytes to transfer. */ -+ uint32_t xfer_len; -+ /** Number of bytes transferred so far. */ -+ uint32_t xfer_count; -+ /** Packet count at start of transfer.*/ -+ uint16_t start_pkt_count; -+ -+ /** -+ * Flag to indicate whether the transfer has been started. Set to 1 if -+ * it has been started, 0 otherwise. -+ */ -+ uint8_t xfer_started; -+ -+ /** -+ * Set to 1 to indicate that a PING request should be issued on this -+ * channel. If 0, process normally. -+ */ -+ uint8_t do_ping; -+ -+ /** -+ * Set to 1 to indicate that the error count for this transaction is -+ * non-zero. Set to 0 if the error count is 0. -+ */ -+ uint8_t error_state; -+ -+ /** -+ * Set to 1 to indicate that this channel should be halted the next -+ * time a request is queued for the channel. This is necessary in -+ * slave mode if no request queue space is available when an attempt -+ * is made to halt the channel. -+ */ -+ uint8_t halt_on_queue; -+ -+ /** -+ * Set to 1 if the host channel has been halted, but the core is not -+ * finished flushing queued requests. Otherwise 0. -+ */ -+ uint8_t halt_pending; -+ -+ /** -+ * Reason for halting the host channel. -+ */ -+ dwc_otg_halt_status_e halt_status; -+ -+ /* -+ * Split settings for the host channel -+ */ -+ uint8_t do_split; /**< Enable split for the channel */ -+ uint8_t complete_split; /**< Enable complete split */ -+ uint8_t hub_addr; /**< Address of high speed hub */ -+ -+ uint8_t port_addr; /**< Port of the low/full speed device */ -+ /** Split transaction position -+ * One of the following values: -+ * - DWC_HCSPLIT_XACTPOS_MID -+ * - DWC_HCSPLIT_XACTPOS_BEGIN -+ * - DWC_HCSPLIT_XACTPOS_END -+ * - DWC_HCSPLIT_XACTPOS_ALL */ -+ uint8_t xact_pos; -+ -+ /** Set when the host channel does a short read. */ -+ uint8_t short_read; -+ -+ /** -+ * Number of requests issued for this channel since it was assigned to -+ * the current transfer (not counting PINGs). -+ */ -+ uint8_t requests; -+ -+ /** -+ * Queue Head for the transfer being processed by this channel. -+ */ -+ struct dwc_otg_qh *qh; -+ -+ /** @} */ -+ -+ /** Entry in list of host channels. */ -+ struct list_head hc_list_entry; -+} dwc_hc_t; -+ -+/** -+ * The following parameters may be specified when starting the module. These -+ * parameters define how the DWC_otg controller should be configured. -+ * Parameter values are passed to the CIL initialization function -+ * dwc_otg_cil_init. -+ */ -+typedef struct dwc_otg_core_params -+{ -+ int32_t opt; -+#define dwc_param_opt_default 1 -+ -+ /** -+ * Specifies the OTG capabilities. The driver will automatically -+ * detect the value for this parameter if none is specified. -+ * 0 - HNP and SRP capable (default) -+ * 1 - SRP Only capable -+ * 2 - No HNP/SRP capable -+ */ -+ int32_t otg_cap; -+#define DWC_OTG_CAP_PARAM_HNP_SRP_CAPABLE 0 -+#define DWC_OTG_CAP_PARAM_SRP_ONLY_CAPABLE 1 -+#define DWC_OTG_CAP_PARAM_NO_HNP_SRP_CAPABLE 2 -+#define dwc_param_otg_cap_default DWC_OTG_CAP_PARAM_HNP_SRP_CAPABLE -+ -+ /** -+ * Specifies whether to use slave or DMA mode for accessing the data -+ * FIFOs. The driver will automatically detect the value for this -+ * parameter if none is specified. -+ * 0 - Slave -+ * 1 - DMA (default, if available) -+ */ -+ int32_t dma_enable; -+#define dwc_param_dma_enable_default 1 -+ -+ /** -+ * When DMA mode is enabled specifies whether to use address DMA or DMA Descritor mode for accessing the data -+ * FIFOs in device mode. The driver will automatically detect the value for this -+ * parameter if none is specified. -+ * 0 - address DMA -+ * 1 - DMA Descriptor(default, if available) -+ */ -+ int32_t dma_desc_enable; -+#define dwc_param_dma_desc_enable_default 0 -+ /** The DMA Burst size (applicable only for External DMA -+ * Mode). 1, 4, 8 16, 32, 64, 128, 256 (default 32) -+ */ -+ int32_t dma_burst_size; /* Translate this to GAHBCFG values */ -+#define dwc_param_dma_burst_size_default 32 -+ -+ /** -+ * Specifies the maximum speed of operation in host and device mode. -+ * The actual speed depends on the speed of the attached device and -+ * the value of phy_type. The actual speed depends on the speed of the -+ * attached device. -+ * 0 - High Speed (default) -+ * 1 - Full Speed -+ */ -+ int32_t speed; -+#define dwc_param_speed_default 0 -+#define DWC_SPEED_PARAM_HIGH 0 -+#define DWC_SPEED_PARAM_FULL 1 -+ -+ /** Specifies whether low power mode is supported when attached -+ * to a Full Speed or Low Speed device in host mode. -+ * 0 - Don't support low power mode (default) -+ * 1 - Support low power mode -+ */ -+ int32_t host_support_fs_ls_low_power; -+#define dwc_param_host_support_fs_ls_low_power_default 0 -+ -+ /** Specifies the PHY clock rate in low power mode when connected to a -+ * Low Speed device in host mode. This parameter is applicable only if -+ * HOST_SUPPORT_FS_LS_LOW_POWER is enabled. If PHY_TYPE is set to FS -+ * then defaults to 6 MHZ otherwise 48 MHZ. -+ * -+ * 0 - 48 MHz -+ * 1 - 6 MHz -+ */ -+ int32_t host_ls_low_power_phy_clk; -+#define dwc_param_host_ls_low_power_phy_clk_default 0 -+#define DWC_HOST_LS_LOW_POWER_PHY_CLK_PARAM_48MHZ 0 -+#define DWC_HOST_LS_LOW_POWER_PHY_CLK_PARAM_6MHZ 1 -+ -+ /** -+ * 0 - Use cC FIFO size parameters -+ * 1 - Allow dynamic FIFO sizing (default) -+ */ -+ int32_t enable_dynamic_fifo; -+#define dwc_param_enable_dynamic_fifo_default 1 -+ -+ /** Total number of 4-byte words in the data FIFO memory. This -+ * memory includes the Rx FIFO, non-periodic Tx FIFO, and periodic -+ * Tx FIFOs. -+ * 32 to 32768 (default 8192) -+ * Note: The total FIFO memory depth in the FPGA configuration is 8192. -+ */ -+ int32_t data_fifo_size; -+#define dwc_param_data_fifo_size_default 8192 -+ -+ /** Number of 4-byte words in the Rx FIFO in device mode when dynamic -+ * FIFO sizing is enabled. -+ * 16 to 32768 (default 1064) -+ */ -+ int32_t dev_rx_fifo_size; -+#define dwc_param_dev_rx_fifo_size_default 1064 -+ -+ /** Number of 4-byte words in the non-periodic Tx FIFO in device mode -+ * when dynamic FIFO sizing is enabled. -+ * 16 to 32768 (default 1024) -+ */ -+ int32_t dev_nperio_tx_fifo_size; -+#define dwc_param_dev_nperio_tx_fifo_size_default 1024 -+ -+ /** Number of 4-byte words in each of the periodic Tx FIFOs in device -+ * mode when dynamic FIFO sizing is enabled. -+ * 4 to 768 (default 256) -+ */ -+ uint32_t dev_perio_tx_fifo_size[MAX_PERIO_FIFOS]; -+#define dwc_param_dev_perio_tx_fifo_size_default 256 -+ -+ /** Number of 4-byte words in the Rx FIFO in host mode when dynamic -+ * FIFO sizing is enabled. -+ * 16 to 32768 (default 1024) -+ */ -+ int32_t host_rx_fifo_size; -+#define dwc_param_host_rx_fifo_size_default 1024 -+ -+ /** Number of 4-byte words in the non-periodic Tx FIFO in host mode -+ * when Dynamic FIFO sizing is enabled in the core. -+ * 16 to 32768 (default 1024) -+ */ -+ int32_t host_nperio_tx_fifo_size; -+#define dwc_param_host_nperio_tx_fifo_size_default 1024 -+ -+ /** Number of 4-byte words in the host periodic Tx FIFO when dynamic -+ * FIFO sizing is enabled. -+ * 16 to 32768 (default 1024) -+ */ -+ int32_t host_perio_tx_fifo_size; -+#define dwc_param_host_perio_tx_fifo_size_default 1024 -+ -+ /** The maximum transfer size supported in bytes. -+ * 2047 to 65,535 (default 65,535) -+ */ -+ int32_t max_transfer_size; -+#define dwc_param_max_transfer_size_default 65535 -+ -+ /** The maximum number of packets in a transfer. -+ * 15 to 511 (default 511) -+ */ -+ int32_t max_packet_count; -+#define dwc_param_max_packet_count_default 511 -+ -+ /** The number of host channel registers to use. -+ * 1 to 16 (default 12) -+ * Note: The FPGA configuration supports a maximum of 12 host channels. -+ */ -+ int32_t host_channels; -+#define dwc_param_host_channels_default 12 -+ -+ /** The number of endpoints in addition to EP0 available for device -+ * mode operations. -+ * 1 to 15 (default 6 IN and OUT) -+ * Note: The FPGA configuration supports a maximum of 6 IN and OUT -+ * endpoints in addition to EP0. -+ */ -+ int32_t dev_endpoints; -+#define dwc_param_dev_endpoints_default 6 -+ -+ /** -+ * Specifies the type of PHY interface to use. By default, the driver -+ * will automatically detect the phy_type. -+ * -+ * 0 - Full Speed PHY -+ * 1 - UTMI+ (default) -+ * 2 - ULPI -+ */ -+ int32_t phy_type; -+#define DWC_PHY_TYPE_PARAM_FS 0 -+#define DWC_PHY_TYPE_PARAM_UTMI 1 -+#define DWC_PHY_TYPE_PARAM_ULPI 2 -+#define dwc_param_phy_type_default DWC_PHY_TYPE_PARAM_UTMI -+ -+ /** -+ * Specifies the UTMI+ Data Width. This parameter is -+ * applicable for a PHY_TYPE of UTMI+ or ULPI. (For a ULPI -+ * PHY_TYPE, this parameter indicates the data width between -+ * the MAC and the ULPI Wrapper.) Also, this parameter is -+ * applicable only if the OTG_HSPHY_WIDTH cC parameter was set -+ * to "8 and 16 bits", meaning that the core has been -+ * configured to work at either data path width. -+ * -+ * 8 or 16 bits (default 16) -+ */ -+ int32_t phy_utmi_width; -+#define dwc_param_phy_utmi_width_default 16 -+ -+ /** -+ * Specifies whether the ULPI operates at double or single -+ * data rate. This parameter is only applicable if PHY_TYPE is -+ * ULPI. -+ * -+ * 0 - single data rate ULPI interface with 8 bit wide data -+ * bus (default) -+ * 1 - double data rate ULPI interface with 4 bit wide data -+ * bus -+ */ -+ int32_t phy_ulpi_ddr; -+#define dwc_param_phy_ulpi_ddr_default 0 -+ -+ /** -+ * Specifies whether to use the internal or external supply to -+ * drive the vbus with a ULPI phy. -+ */ -+ int32_t phy_ulpi_ext_vbus; -+#define DWC_PHY_ULPI_INTERNAL_VBUS 0 -+#define DWC_PHY_ULPI_EXTERNAL_VBUS 1 -+#define dwc_param_phy_ulpi_ext_vbus_default DWC_PHY_ULPI_INTERNAL_VBUS -+ -+ /** -+ * Specifies whether to use the I2Cinterface for full speed PHY. This -+ * parameter is only applicable if PHY_TYPE is FS. -+ * 0 - No (default) -+ * 1 - Yes -+ */ -+ int32_t i2c_enable; -+#define dwc_param_i2c_enable_default 0 -+ -+ int32_t ulpi_fs_ls; -+#define dwc_param_ulpi_fs_ls_default 0 -+ -+ int32_t ts_dline; -+#define dwc_param_ts_dline_default 0 -+ -+ /** -+ * Specifies whether dedicated transmit FIFOs are -+ * enabled for non periodic IN endpoints in device mode -+ * 0 - No -+ * 1 - Yes -+ */ -+ int32_t en_multiple_tx_fifo; -+#define dwc_param_en_multiple_tx_fifo_default 1 -+ -+ /** Number of 4-byte words in each of the Tx FIFOs in device -+ * mode when dynamic FIFO sizing is enabled. -+ * 4 to 768 (default 256) -+ */ -+ uint32_t dev_tx_fifo_size[MAX_TX_FIFOS]; -+#define dwc_param_dev_tx_fifo_size_default 256 -+ -+ /** Thresholding enable flag- -+ * bit 0 - enable non-ISO Tx thresholding -+ * bit 1 - enable ISO Tx thresholding -+ * bit 2 - enable Rx thresholding -+ */ -+ uint32_t thr_ctl; -+#define dwc_param_thr_ctl_default 0 -+ -+ /** Thresholding length for Tx -+ * FIFOs in 32 bit DWORDs -+ */ -+ uint32_t tx_thr_length; -+#define dwc_param_tx_thr_length_default 64 -+ -+ /** Thresholding length for Rx -+ * FIFOs in 32 bit DWORDs -+ */ -+ uint32_t rx_thr_length; -+#define dwc_param_rx_thr_length_default 64 -+ -+ /** Per Transfer Interrupt -+ * mode enable flag -+ * 1 - Enabled -+ * 0 - Disabled -+ */ -+ uint32_t pti_enable; -+#define dwc_param_pti_enable_default 0 -+ -+ /** Molti Processor Interrupt -+ * mode enable flag -+ * 1 - Enabled -+ * 0 - Disabled -+ */ -+ uint32_t mpi_enable; -+#define dwc_param_mpi_enable_default 0 -+ -+} dwc_otg_core_params_t; -+ -+#ifdef DEBUG -+struct dwc_otg_core_if; -+typedef struct hc_xfer_info -+{ -+ struct dwc_otg_core_if *core_if; -+ dwc_hc_t *hc; -+} hc_xfer_info_t; -+#endif -+ -+/** -+ * The <code>dwc_otg_core_if</code> structure contains information needed to manage -+ * the DWC_otg controller acting in either host or device mode. It -+ * represents the programming view of the controller as a whole. -+ */ -+typedef struct dwc_otg_core_if -+{ -+ /** Parameters that define how the core should be configured.*/ -+ dwc_otg_core_params_t *core_params; -+ -+ /** Core Global registers starting at offset 000h. */ -+ dwc_otg_core_global_regs_t *core_global_regs; -+ -+ /** Device-specific information */ -+ dwc_otg_dev_if_t *dev_if; -+ /** Host-specific information */ -+ dwc_otg_host_if_t *host_if; -+ -+ /** Value from SNPSID register */ -+ uint32_t snpsid; -+ -+ /* -+ * Set to 1 if the core PHY interface bits in USBCFG have been -+ * initialized. -+ */ -+ uint8_t phy_init_done; -+ -+ /* -+ * SRP Success flag, set by srp success interrupt in FS I2C mode -+ */ -+ uint8_t srp_success; -+ uint8_t srp_timer_started; -+ -+ /* Common configuration information */ -+ /** Power and Clock Gating Control Register */ -+ volatile uint32_t *pcgcctl; -+#define DWC_OTG_PCGCCTL_OFFSET 0xE00 -+ -+ /** Push/pop addresses for endpoints or host channels.*/ -+ uint32_t *data_fifo[MAX_EPS_CHANNELS]; -+#define DWC_OTG_DATA_FIFO_OFFSET 0x1000 -+#define DWC_OTG_DATA_FIFO_SIZE 0x1000 -+ -+ /** Total RAM for FIFOs (Bytes) */ -+ uint16_t total_fifo_size; -+ /** Size of Rx FIFO (Bytes) */ -+ uint16_t rx_fifo_size; -+ /** Size of Non-periodic Tx FIFO (Bytes) */ -+ uint16_t nperio_tx_fifo_size; -+ -+ -+ /** 1 if DMA is enabled, 0 otherwise. */ -+ uint8_t dma_enable; -+ -+ /** 1 if Descriptor DMA mode is enabled, 0 otherwise. */ -+ uint8_t dma_desc_enable; -+ -+ /** 1 if PTI Enhancement mode is enabled, 0 otherwise. */ -+ uint8_t pti_enh_enable; -+ -+ /** 1 if MPI Enhancement mode is enabled, 0 otherwise. */ -+ uint8_t multiproc_int_enable; -+ -+ /** 1 if dedicated Tx FIFOs are enabled, 0 otherwise. */ -+ uint8_t en_multiple_tx_fifo; -+ -+ /** Set to 1 if multiple packets of a high-bandwidth transfer is in -+ * process of being queued */ -+ uint8_t queuing_high_bandwidth; -+ -+ /** Hardware Configuration -- stored here for convenience.*/ -+ hwcfg1_data_t hwcfg1; -+ hwcfg2_data_t hwcfg2; -+ hwcfg3_data_t hwcfg3; -+ hwcfg4_data_t hwcfg4; -+ -+ /** Host and Device Configuration -- stored here for convenience.*/ -+ hcfg_data_t hcfg; -+ dcfg_data_t dcfg; -+ -+ /** The operational State, during transations -+ * (a_host>>a_peripherial and b_device=>b_host) this may not -+ * match the core but allows the software to determine -+ * transitions. -+ */ -+ uint8_t op_state; -+ -+ /** -+ * Set to 1 if the HCD needs to be restarted on a session request -+ * interrupt. This is required if no connector ID status change has -+ * occurred since the HCD was last disconnected. -+ */ -+ uint8_t restart_hcd_on_session_req; -+ -+ /** HCD callbacks */ -+ /** A-Device is a_host */ -+#define A_HOST (1) -+ /** A-Device is a_suspend */ -+#define A_SUSPEND (2) -+ /** A-Device is a_peripherial */ -+#define A_PERIPHERAL (3) -+ /** B-Device is operating as a Peripheral. */ -+#define B_PERIPHERAL (4) -+ /** B-Device is operating as a Host. */ -+#define B_HOST (5) -+ -+ /** HCD callbacks */ -+ struct dwc_otg_cil_callbacks *hcd_cb; -+ /** PCD callbacks */ -+ struct dwc_otg_cil_callbacks *pcd_cb; -+ -+ /** Device mode Periodic Tx FIFO Mask */ -+ uint32_t p_tx_msk; -+ /** Device mode Periodic Tx FIFO Mask */ -+ uint32_t tx_msk; -+ -+ /** Workqueue object used for handling several interrupts */ -+ struct workqueue_struct *wq_otg; -+ -+ /** Work object used for handling "Connector ID Status Change" Interrupt */ -+ struct work_struct w_conn_id; -+ -+ /** Work object used for handling "Wakeup Detected" Interrupt */ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) -+ struct work_struct w_wkp; -+#else -+ struct delayed_work w_wkp; -+#endif -+ -+#ifdef DEBUG -+ uint32_t start_hcchar_val[MAX_EPS_CHANNELS]; -+ -+ hc_xfer_info_t hc_xfer_info[MAX_EPS_CHANNELS]; -+ struct timer_list hc_xfer_timer[MAX_EPS_CHANNELS]; -+ -+ uint32_t hfnum_7_samples; -+ uint64_t hfnum_7_frrem_accum; -+ uint32_t hfnum_0_samples; -+ uint64_t hfnum_0_frrem_accum; -+ uint32_t hfnum_other_samples; -+ uint64_t hfnum_other_frrem_accum; -+#endif -+ -+ -+} dwc_otg_core_if_t; -+ -+/*We must clear S3C24XX_EINTPEND external interrupt register -+ * because after clearing in this register trigerred IRQ from -+ * H/W core in kernel interrupt can be occured again before OTG -+ * handlers clear all IRQ sources of Core registers because of -+ * timing latencies and Low Level IRQ Type. -+ */ -+ -+#ifdef CONFIG_MACH_IPMATE -+#define S3C2410X_CLEAR_EINTPEND() \ -+do { \ -+ if (!dwc_otg_read_core_intr(core_if)) { \ -+ __raw_writel(1UL << 11,S3C24XX_EINTPEND); \ -+ } \ -+} while (0) -+#else -+#define S3C2410X_CLEAR_EINTPEND() do { } while (0) -+#endif -+ -+/* -+ * The following functions are functions for works -+ * using during handling some interrupts -+ */ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) -+ -+extern void w_conn_id_status_change(void *p); -+extern void w_wakeup_detected(void *p); -+ -+#else -+ -+extern void w_conn_id_status_change(struct work_struct *p); -+extern void w_wakeup_detected(struct work_struct *p); -+ -+#endif -+ -+ -+/* -+ * The following functions support initialization of the CIL driver component -+ * and the DWC_otg controller. -+ */ -+extern dwc_otg_core_if_t *dwc_otg_cil_init(const uint32_t *_reg_base_addr, -+ dwc_otg_core_params_t *_core_params); -+extern void dwc_otg_cil_remove(dwc_otg_core_if_t *_core_if); -+extern void dwc_otg_core_init(dwc_otg_core_if_t *_core_if); -+extern void dwc_otg_core_host_init(dwc_otg_core_if_t *_core_if); -+extern void dwc_otg_core_dev_init(dwc_otg_core_if_t *_core_if); -+extern void dwc_otg_enable_global_interrupts( dwc_otg_core_if_t *_core_if ); -+extern void dwc_otg_disable_global_interrupts( dwc_otg_core_if_t *_core_if ); -+ -+/** @name Device CIL Functions -+ * The following functions support managing the DWC_otg controller in device -+ * mode. -+ */ -+/**@{*/ -+extern void dwc_otg_wakeup(dwc_otg_core_if_t *_core_if); -+extern void dwc_otg_read_setup_packet (dwc_otg_core_if_t *_core_if, uint32_t *_dest); -+extern uint32_t dwc_otg_get_frame_number(dwc_otg_core_if_t *_core_if); -+extern void dwc_otg_ep0_activate(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep); -+extern void dwc_otg_ep_activate(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep); -+extern void dwc_otg_ep_deactivate(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep); -+extern void dwc_otg_ep_start_transfer(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep); -+extern void dwc_otg_ep_start_zl_transfer(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep); -+extern void dwc_otg_ep0_start_transfer(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep); -+extern void dwc_otg_ep0_continue_transfer(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep); -+extern void dwc_otg_ep_write_packet(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep, int _dma); -+extern void dwc_otg_ep_set_stall(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep); -+extern void dwc_otg_ep_clear_stall(dwc_otg_core_if_t *_core_if, dwc_ep_t *_ep); -+extern void dwc_otg_enable_device_interrupts(dwc_otg_core_if_t *_core_if); -+extern void dwc_otg_dump_dev_registers(dwc_otg_core_if_t *_core_if); -+extern void dwc_otg_dump_spram(dwc_otg_core_if_t *_core_if); -+#ifdef DWC_EN_ISOC -+extern void dwc_otg_iso_ep_start_frm_transfer(dwc_otg_core_if_t *core_if, dwc_ep_t *ep); -+extern void dwc_otg_iso_ep_start_buf_transfer(dwc_otg_core_if_t *core_if, dwc_ep_t *ep); -+#endif //DWC_EN_ISOC -+/**@}*/ -+ -+/** @name Host CIL Functions -+ * The following functions support managing the DWC_otg controller in host -+ * mode. -+ */ -+/**@{*/ -+extern void dwc_otg_hc_init(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc); -+extern void dwc_otg_hc_halt(dwc_otg_core_if_t *_core_if, -+ dwc_hc_t *_hc, -+ dwc_otg_halt_status_e _halt_status); -+extern void dwc_otg_hc_cleanup(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc); -+extern void dwc_otg_hc_start_transfer(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc); -+extern int dwc_otg_hc_continue_transfer(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc); -+extern void dwc_otg_hc_do_ping(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc); -+extern void dwc_otg_hc_write_packet(dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc); -+extern void dwc_otg_enable_host_interrupts(dwc_otg_core_if_t *_core_if); -+extern void dwc_otg_disable_host_interrupts(dwc_otg_core_if_t *_core_if); -+ -+/** -+ * This function Reads HPRT0 in preparation to modify. It keeps the -+ * WC bits 0 so that if they are read as 1, they won't clear when you -+ * write it back -+ */ -+static inline uint32_t dwc_otg_read_hprt0(dwc_otg_core_if_t *_core_if) -+{ -+ hprt0_data_t hprt0; -+ hprt0.d32 = dwc_read_reg32(_core_if->host_if->hprt0); -+ hprt0.b.prtena = 0; -+ hprt0.b.prtconndet = 0; -+ hprt0.b.prtenchng = 0; -+ hprt0.b.prtovrcurrchng = 0; -+ return hprt0.d32; -+} -+ -+extern void dwc_otg_dump_host_registers(dwc_otg_core_if_t *_core_if); -+/**@}*/ -+ -+/** @name Common CIL Functions -+ * The following functions support managing the DWC_otg controller in either -+ * device or host mode. -+ */ -+/**@{*/ -+ -+extern void dwc_otg_read_packet(dwc_otg_core_if_t *core_if, -+ uint8_t *dest, -+ uint16_t bytes); -+ -+extern void dwc_otg_dump_global_registers(dwc_otg_core_if_t *_core_if); -+ -+extern void dwc_otg_flush_tx_fifo( dwc_otg_core_if_t *_core_if, -+ const int _num ); -+extern void dwc_otg_flush_rx_fifo( dwc_otg_core_if_t *_core_if ); -+extern void dwc_otg_core_reset( dwc_otg_core_if_t *_core_if ); -+ -+extern dwc_otg_dma_desc_t* dwc_otg_ep_alloc_desc_chain(uint32_t * dma_desc_addr, uint32_t count); -+extern void dwc_otg_ep_free_desc_chain(dwc_otg_dma_desc_t* desc_addr, uint32_t dma_desc_addr, uint32_t count); -+ -+/** -+ * This function returns the Core Interrupt register. -+ */ -+static inline uint32_t dwc_otg_read_core_intr(dwc_otg_core_if_t *_core_if) -+{ -+ return (dwc_read_reg32(&_core_if->core_global_regs->gintsts) & -+ dwc_read_reg32(&_core_if->core_global_regs->gintmsk)); -+} -+ -+/** -+ * This function returns the OTG Interrupt register. -+ */ -+static inline uint32_t dwc_otg_read_otg_intr (dwc_otg_core_if_t *_core_if) -+{ -+ return (dwc_read_reg32 (&_core_if->core_global_regs->gotgint)); -+} -+ -+/** -+ * This function reads the Device All Endpoints Interrupt register and -+ * returns the IN endpoint interrupt bits. -+ */ -+static inline uint32_t dwc_otg_read_dev_all_in_ep_intr(dwc_otg_core_if_t *core_if) -+{ -+ uint32_t v; -+ -+ if(core_if->multiproc_int_enable) { -+ v = dwc_read_reg32(&core_if->dev_if->dev_global_regs->deachint) & -+ dwc_read_reg32(&core_if->dev_if->dev_global_regs->deachintmsk); -+ } else { -+ v = dwc_read_reg32(&core_if->dev_if->dev_global_regs->daint) & -+ dwc_read_reg32(&core_if->dev_if->dev_global_regs->daintmsk); -+ } -+ return (v & 0xffff); -+ -+} -+ -+/** -+ * This function reads the Device All Endpoints Interrupt register and -+ * returns the OUT endpoint interrupt bits. -+ */ -+static inline uint32_t dwc_otg_read_dev_all_out_ep_intr(dwc_otg_core_if_t *core_if) -+{ -+ uint32_t v; -+ -+ if(core_if->multiproc_int_enable) { -+ v = dwc_read_reg32(&core_if->dev_if->dev_global_regs->deachint) & -+ dwc_read_reg32(&core_if->dev_if->dev_global_regs->deachintmsk); -+ } else { -+ v = dwc_read_reg32(&core_if->dev_if->dev_global_regs->daint) & -+ dwc_read_reg32(&core_if->dev_if->dev_global_regs->daintmsk); -+ } -+ -+ return ((v & 0xffff0000) >> 16); -+} -+ -+/** -+ * This function returns the Device IN EP Interrupt register -+ */ -+static inline uint32_t dwc_otg_read_dev_in_ep_intr(dwc_otg_core_if_t *core_if, -+ dwc_ep_t *ep) -+{ -+ dwc_otg_dev_if_t *dev_if = core_if->dev_if; -+ uint32_t v, msk, emp; -+ -+ if(core_if->multiproc_int_enable) { -+ msk = dwc_read_reg32(&dev_if->dev_global_regs->diepeachintmsk[ep->num]); -+ emp = dwc_read_reg32(&dev_if->dev_global_regs->dtknqr4_fifoemptymsk); -+ msk |= ((emp >> ep->num) & 0x1) << 7; -+ v = dwc_read_reg32(&dev_if->in_ep_regs[ep->num]->diepint) & msk; -+ } else { -+ msk = dwc_read_reg32(&dev_if->dev_global_regs->diepmsk); -+ emp = dwc_read_reg32(&dev_if->dev_global_regs->dtknqr4_fifoemptymsk); -+ msk |= ((emp >> ep->num) & 0x1) << 7; -+ v = dwc_read_reg32(&dev_if->in_ep_regs[ep->num]->diepint) & msk; -+ } -+ -+ -+ return v; -+} -+/** -+ * This function returns the Device OUT EP Interrupt register -+ */ -+static inline uint32_t dwc_otg_read_dev_out_ep_intr(dwc_otg_core_if_t *_core_if, -+ dwc_ep_t *_ep) -+{ -+ dwc_otg_dev_if_t *dev_if = _core_if->dev_if; -+ uint32_t v; -+ doepmsk_data_t msk = { .d32 = 0 }; -+ -+ if(_core_if->multiproc_int_enable) { -+ msk.d32 = dwc_read_reg32(&dev_if->dev_global_regs->doepeachintmsk[_ep->num]); -+ if(_core_if->pti_enh_enable) { -+ msk.b.pktdrpsts = 1; -+ } -+ v = dwc_read_reg32( &dev_if->out_ep_regs[_ep->num]->doepint) & msk.d32; -+ } else { -+ msk.d32 = dwc_read_reg32(&dev_if->dev_global_regs->doepmsk); -+ if(_core_if->pti_enh_enable) { -+ msk.b.pktdrpsts = 1; -+ } -+ v = dwc_read_reg32( &dev_if->out_ep_regs[_ep->num]->doepint) & msk.d32; -+ } -+ return v; -+} -+ -+/** -+ * This function returns the Host All Channel Interrupt register -+ */ -+static inline uint32_t dwc_otg_read_host_all_channels_intr (dwc_otg_core_if_t *_core_if) -+{ -+ return (dwc_read_reg32 (&_core_if->host_if->host_global_regs->haint)); -+} -+ -+static inline uint32_t dwc_otg_read_host_channel_intr (dwc_otg_core_if_t *_core_if, dwc_hc_t *_hc) -+{ -+ return (dwc_read_reg32 (&_core_if->host_if->hc_regs[_hc->hc_num]->hcint)); -+} -+ -+ -+/** -+ * This function returns the mode of the operation, host or device. -+ * -+ * @return 0 - Device Mode, 1 - Host Mode -+ */ -+static inline uint32_t dwc_otg_mode(dwc_otg_core_if_t *_core_if) -+{ -+ return (dwc_read_reg32( &_core_if->core_global_regs->gintsts ) & 0x1); -+} -+ -+static inline uint8_t dwc_otg_is_device_mode(dwc_otg_core_if_t *_core_if) -+{ -+ return (dwc_otg_mode(_core_if) != DWC_HOST_MODE); -+} -+static inline uint8_t dwc_otg_is_host_mode(dwc_otg_core_if_t *_core_if) -+{ -+ return (dwc_otg_mode(_core_if) == DWC_HOST_MODE); -+} -+ -+extern int32_t dwc_otg_handle_common_intr( dwc_otg_core_if_t *_core_if ); -+ -+ -+/**@}*/ -+ -+/** -+ * DWC_otg CIL callback structure. This structure allows the HCD and -+ * PCD to register functions used for starting and stopping the PCD -+ * and HCD for role change on for a DRD. -+ */ -+typedef struct dwc_otg_cil_callbacks -+{ -+ /** Start function for role change */ -+ int (*start) (void *_p); -+ /** Stop Function for role change */ -+ int (*stop) (void *_p); -+ /** Disconnect Function for role change */ -+ int (*disconnect) (void *_p); -+ /** Resume/Remote wakeup Function */ -+ int (*resume_wakeup) (void *_p); -+ /** Suspend function */ -+ int (*suspend) (void *_p); -+ /** Session Start (SRP) */ -+ int (*session_start) (void *_p); -+ /** Pointer passed to start() and stop() */ -+ void *p; -+} dwc_otg_cil_callbacks_t; -+ -+extern void dwc_otg_cil_register_pcd_callbacks( dwc_otg_core_if_t *_core_if, -+ dwc_otg_cil_callbacks_t *_cb, -+ void *_p); -+extern void dwc_otg_cil_register_hcd_callbacks( dwc_otg_core_if_t *_core_if, -+ dwc_otg_cil_callbacks_t *_cb, -+ void *_p); -+ -+#endif -+ ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_cil_intr.c -@@ -0,0 +1,750 @@ -+/* ========================================================================== -+ * $File: //dwh/usb_iip/dev/software/otg/linux/drivers/dwc_otg_cil_intr.c $ -+ * $Revision: 1.2 $ -+ * $Date: 2008-11-21 05:39:15 $ -+ * $Change: 1065567 $ -+ * -+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, -+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless -+ * otherwise expressly agreed to in writing between Synopsys and you. -+ * -+ * The Software IS NOT an item of Licensed Software or Licensed Product under -+ * any End User Software License Agreement or Agreement for Licensed Product -+ * with Synopsys or any supplement thereto. You are permitted to use and -+ * redistribute this Software in source and binary forms, with or without -+ * modification, provided that redistributions of source code must retain this -+ * notice. You may not view, use, disclose, copy or distribute this file or -+ * any information contained herein except pursuant to this license grant from -+ * Synopsys. If you do not agree with this notice, including the disclaimer -+ * below, then you are not authorized to use the Software. -+ * -+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS -+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, -+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH -+ * DAMAGE. -+ * ========================================================================== */ -+ -+/** @file -+ * -+ * The Core Interface Layer provides basic services for accessing and -+ * managing the DWC_otg hardware. These services are used by both the -+ * Host Controller Driver and the Peripheral Controller Driver. -+ * -+ * This file contains the Common Interrupt handlers. -+ */ -+#include "linux/dwc_otg_plat.h" -+#include "dwc_otg_regs.h" -+#include "dwc_otg_cil.h" -+ -+#ifdef DEBUG -+inline const char *op_state_str(dwc_otg_core_if_t *core_if) -+{ -+ return (core_if->op_state==A_HOST?"a_host": -+ (core_if->op_state==A_SUSPEND?"a_suspend": -+ (core_if->op_state==A_PERIPHERAL?"a_peripheral": -+ (core_if->op_state==B_PERIPHERAL?"b_peripheral": -+ (core_if->op_state==B_HOST?"b_host": -+ "unknown"))))); -+} -+#endif -+ -+/** This function will log a debug message -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ */ -+int32_t dwc_otg_handle_mode_mismatch_intr (dwc_otg_core_if_t *core_if) -+{ -+ gintsts_data_t gintsts; -+ DWC_WARN("Mode Mismatch Interrupt: currently in %s mode\n", -+ dwc_otg_mode(core_if) ? "Host" : "Device"); -+ -+ /* Clear interrupt */ -+ gintsts.d32 = 0; -+ gintsts.b.modemismatch = 1; -+ dwc_write_reg32 (&core_if->core_global_regs->gintsts, gintsts.d32); -+ return 1; -+} -+ -+/** Start the HCD. Helper function for using the HCD callbacks. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ */ -+static inline void hcd_start(dwc_otg_core_if_t *core_if) -+{ -+ if (core_if->hcd_cb && core_if->hcd_cb->start) { -+ core_if->hcd_cb->start(core_if->hcd_cb->p); -+ } -+} -+/** Stop the HCD. Helper function for using the HCD callbacks. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ */ -+static inline void hcd_stop(dwc_otg_core_if_t *core_if) -+{ -+ if (core_if->hcd_cb && core_if->hcd_cb->stop) { -+ core_if->hcd_cb->stop(core_if->hcd_cb->p); -+ } -+} -+/** Disconnect the HCD. Helper function for using the HCD callbacks. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ */ -+static inline void hcd_disconnect(dwc_otg_core_if_t *core_if) -+{ -+ if (core_if->hcd_cb && core_if->hcd_cb->disconnect) { -+ core_if->hcd_cb->disconnect(core_if->hcd_cb->p); -+ } -+} -+/** Inform the HCD the a New Session has begun. Helper function for -+ * using the HCD callbacks. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ */ -+static inline void hcd_session_start(dwc_otg_core_if_t *core_if) -+{ -+ if (core_if->hcd_cb && core_if->hcd_cb->session_start) { -+ core_if->hcd_cb->session_start(core_if->hcd_cb->p); -+ } -+} -+ -+/** Start the PCD. Helper function for using the PCD callbacks. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ */ -+static inline void pcd_start(dwc_otg_core_if_t *core_if) -+{ -+ if (core_if->pcd_cb && core_if->pcd_cb->start) { -+ core_if->pcd_cb->start(core_if->pcd_cb->p); -+ } -+} -+/** Stop the PCD. Helper function for using the PCD callbacks. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ */ -+static inline void pcd_stop(dwc_otg_core_if_t *core_if) -+{ -+ if (core_if->pcd_cb && core_if->pcd_cb->stop) { -+ core_if->pcd_cb->stop(core_if->pcd_cb->p); -+ } -+} -+/** Suspend the PCD. Helper function for using the PCD callbacks. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ */ -+static inline void pcd_suspend(dwc_otg_core_if_t *core_if) -+{ -+ if (core_if->pcd_cb && core_if->pcd_cb->suspend) { -+ core_if->pcd_cb->suspend(core_if->pcd_cb->p); -+ } -+} -+/** Resume the PCD. Helper function for using the PCD callbacks. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ */ -+static inline void pcd_resume(dwc_otg_core_if_t *core_if) -+{ -+ if (core_if->pcd_cb && core_if->pcd_cb->resume_wakeup) { -+ core_if->pcd_cb->resume_wakeup(core_if->pcd_cb->p); -+ } -+} -+ -+/** -+ * This function handles the OTG Interrupts. It reads the OTG -+ * Interrupt Register (GOTGINT) to determine what interrupt has -+ * occurred. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ */ -+int32_t dwc_otg_handle_otg_intr(dwc_otg_core_if_t *core_if) -+{ -+ dwc_otg_core_global_regs_t *global_regs = -+ core_if->core_global_regs; -+ gotgint_data_t gotgint; -+ gotgctl_data_t gotgctl; -+ gintmsk_data_t gintmsk; -+ -+ gotgint.d32 = dwc_read_reg32(&global_regs->gotgint); -+ gotgctl.d32 = dwc_read_reg32(&global_regs->gotgctl); -+ DWC_DEBUGPL(DBG_CIL, "gotgctl=%08x\n", gotgctl.d32); -+ -+ if (gotgint.b.sesenddet) { -+ DWC_DEBUGPL(DBG_ANY, "OTG Interrupt: " -+ "Session End Detected++ (%s)\n", -+ op_state_str(core_if)); -+ gotgctl.d32 = dwc_read_reg32(&global_regs->gotgctl); -+ -+ if (core_if->op_state == B_HOST) { -+ pcd_start(core_if); -+ core_if->op_state = B_PERIPHERAL; -+ } else { -+ /* If not B_HOST and Device HNP still set. HNP -+ * Did not succeed!*/ -+ if (gotgctl.b.devhnpen) { -+ DWC_DEBUGPL(DBG_ANY, "Session End Detected\n"); -+ DWC_ERROR("Device Not Connected/Responding!\n"); -+ } -+ -+ /* If Session End Detected the B-Cable has -+ * been disconnected. */ -+ /* Reset PCD and Gadget driver to a -+ * clean state. */ -+ pcd_stop(core_if); -+ } -+ gotgctl.d32 = 0; -+ gotgctl.b.devhnpen = 1; -+ dwc_modify_reg32(&global_regs->gotgctl, -+ gotgctl.d32, 0); -+ } -+ if (gotgint.b.sesreqsucstschng) { -+ DWC_DEBUGPL(DBG_ANY, " OTG Interrupt: " -+ "Session Reqeust Success Status Change++\n"); -+ gotgctl.d32 = dwc_read_reg32(&global_regs->gotgctl); -+ if (gotgctl.b.sesreqscs) { -+ if ((core_if->core_params->phy_type == DWC_PHY_TYPE_PARAM_FS) && -+ (core_if->core_params->i2c_enable)) { -+ core_if->srp_success = 1; -+ } -+ else { -+ pcd_resume(core_if); -+ /* Clear Session Request */ -+ gotgctl.d32 = 0; -+ gotgctl.b.sesreq = 1; -+ dwc_modify_reg32(&global_regs->gotgctl, -+ gotgctl.d32, 0); -+ } -+ } -+ } -+ if (gotgint.b.hstnegsucstschng) { -+ /* Print statements during the HNP interrupt handling -+ * can cause it to fail.*/ -+ gotgctl.d32 = dwc_read_reg32(&global_regs->gotgctl); -+ if (gotgctl.b.hstnegscs) { -+ if (dwc_otg_is_host_mode(core_if)) { -+ core_if->op_state = B_HOST; -+ /* -+ * Need to disable SOF interrupt immediately. -+ * When switching from device to host, the PCD -+ * interrupt handler won't handle the -+ * interrupt if host mode is already set. The -+ * HCD interrupt handler won't get called if -+ * the HCD state is HALT. This means that the -+ * interrupt does not get handled and Linux -+ * complains loudly. -+ */ -+ gintmsk.d32 = 0; -+ gintmsk.b.sofintr = 1; -+ dwc_modify_reg32(&global_regs->gintmsk, -+ gintmsk.d32, 0); -+ pcd_stop(core_if); -+ /* -+ * Initialize the Core for Host mode. -+ */ -+ hcd_start(core_if); -+ core_if->op_state = B_HOST; -+ } -+ } else { -+ gotgctl.d32 = 0; -+ gotgctl.b.hnpreq = 1; -+ gotgctl.b.devhnpen = 1; -+ dwc_modify_reg32(&global_regs->gotgctl, -+ gotgctl.d32, 0); -+ DWC_DEBUGPL(DBG_ANY, "HNP Failed\n"); -+ DWC_ERROR("Device Not Connected/Responding\n"); -+ } -+ } -+ if (gotgint.b.hstnegdet) { -+ /* The disconnect interrupt is set at the same time as -+ * Host Negotiation Detected. During the mode -+ * switch all interrupts are cleared so the disconnect -+ * interrupt handler will not get executed. -+ */ -+ DWC_DEBUGPL(DBG_ANY, " ++OTG Interrupt: " -+ "Host Negotiation Detected++ (%s)\n", -+ (dwc_otg_is_host_mode(core_if)?"Host":"Device")); -+ if (dwc_otg_is_device_mode(core_if)){ -+ DWC_DEBUGPL(DBG_ANY, "a_suspend->a_peripheral (%d)\n", core_if->op_state); -+ hcd_disconnect(core_if); -+ pcd_start(core_if); -+ core_if->op_state = A_PERIPHERAL; -+ } else { -+ /* -+ * Need to disable SOF interrupt immediately. When -+ * switching from device to host, the PCD interrupt -+ * handler won't handle the interrupt if host mode is -+ * already set. The HCD interrupt handler won't get -+ * called if the HCD state is HALT. This means that -+ * the interrupt does not get handled and Linux -+ * complains loudly. -+ */ -+ gintmsk.d32 = 0; -+ gintmsk.b.sofintr = 1; -+ dwc_modify_reg32(&global_regs->gintmsk, -+ gintmsk.d32, 0); -+ pcd_stop(core_if); -+ hcd_start(core_if); -+ core_if->op_state = A_HOST; -+ } -+ } -+ if (gotgint.b.adevtoutchng) { -+ DWC_DEBUGPL(DBG_ANY, " ++OTG Interrupt: " -+ "A-Device Timeout Change++\n"); -+ } -+ if (gotgint.b.debdone) { -+ DWC_DEBUGPL(DBG_ANY, " ++OTG Interrupt: " -+ "Debounce Done++\n"); -+ } -+ -+ /* Clear GOTGINT */ -+ dwc_write_reg32 (&core_if->core_global_regs->gotgint, gotgint.d32); -+ -+ return 1; -+} -+ -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) -+ -+void w_conn_id_status_change(void *p) -+{ -+ dwc_otg_core_if_t *core_if = p; -+ -+#else -+ -+void w_conn_id_status_change(struct work_struct *p) -+{ -+ dwc_otg_core_if_t *core_if = container_of(p, dwc_otg_core_if_t, w_conn_id); -+ -+#endif -+ -+ -+ uint32_t count = 0; -+ gotgctl_data_t gotgctl = { .d32 = 0 }; -+ -+ gotgctl.d32 = dwc_read_reg32(&core_if->core_global_regs->gotgctl); -+ DWC_DEBUGPL(DBG_CIL, "gotgctl=%0x\n", gotgctl.d32); -+ DWC_DEBUGPL(DBG_CIL, "gotgctl.b.conidsts=%d\n", gotgctl.b.conidsts); -+ -+ /* B-Device connector (Device Mode) */ -+ if (gotgctl.b.conidsts) { -+ /* Wait for switch to device mode. */ -+ while (!dwc_otg_is_device_mode(core_if)){ -+ DWC_PRINT("Waiting for Peripheral Mode, Mode=%s\n", -+ (dwc_otg_is_host_mode(core_if)?"Host":"Peripheral")); -+ MDELAY(100); -+ if (++count > 10000) *(uint32_t*)NULL=0; -+ } -+ core_if->op_state = B_PERIPHERAL; -+ dwc_otg_core_init(core_if); -+ dwc_otg_enable_global_interrupts(core_if); -+ pcd_start(core_if); -+ } else { -+ /* A-Device connector (Host Mode) */ -+ while (!dwc_otg_is_host_mode(core_if)) { -+ DWC_PRINT("Waiting for Host Mode, Mode=%s\n", -+ (dwc_otg_is_host_mode(core_if)?"Host":"Peripheral")); -+ MDELAY(100); -+ if (++count > 10000) *(uint32_t*)NULL=0; -+ } -+ core_if->op_state = A_HOST; -+ /* -+ * Initialize the Core for Host mode. -+ */ -+ dwc_otg_core_init(core_if); -+ dwc_otg_enable_global_interrupts(core_if); -+ hcd_start(core_if); -+ } -+} -+ -+ -+/** -+ * This function handles the Connector ID Status Change Interrupt. It -+ * reads the OTG Interrupt Register (GOTCTL) to determine whether this -+ * is a Device to Host Mode transition or a Host Mode to Device -+ * Transition. -+ * -+ * This only occurs when the cable is connected/removed from the PHY -+ * connector. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ */ -+int32_t dwc_otg_handle_conn_id_status_change_intr(dwc_otg_core_if_t *core_if) -+{ -+ -+ /* -+ * Need to disable SOF interrupt immediately. If switching from device -+ * to host, the PCD interrupt handler won't handle the interrupt if -+ * host mode is already set. The HCD interrupt handler won't get -+ * called if the HCD state is HALT. This means that the interrupt does -+ * not get handled and Linux complains loudly. -+ */ -+ gintmsk_data_t gintmsk = { .d32 = 0 }; -+ gintsts_data_t gintsts = { .d32 = 0 }; -+ -+ gintmsk.b.sofintr = 1; -+ dwc_modify_reg32(&core_if->core_global_regs->gintmsk, gintmsk.d32, 0); -+ -+ DWC_DEBUGPL(DBG_CIL, " ++Connector ID Status Change Interrupt++ (%s)\n", -+ (dwc_otg_is_host_mode(core_if)?"Host":"Device")); -+ -+ /* -+ * Need to schedule a work, as there are possible DELAY function calls -+ */ -+ queue_work(core_if->wq_otg, &core_if->w_conn_id); -+ -+ /* Set flag and clear interrupt */ -+ gintsts.b.conidstschng = 1; -+ dwc_write_reg32 (&core_if->core_global_regs->gintsts, gintsts.d32); -+ -+ return 1; -+} -+ -+/** -+ * This interrupt indicates that a device is initiating the Session -+ * Request Protocol to request the host to turn on bus power so a new -+ * session can begin. The handler responds by turning on bus power. If -+ * the DWC_otg controller is in low power mode, the handler brings the -+ * controller out of low power mode before turning on bus power. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ */ -+int32_t dwc_otg_handle_session_req_intr(dwc_otg_core_if_t *core_if) -+{ -+ gintsts_data_t gintsts; -+ -+#ifndef DWC_HOST_ONLY -+ hprt0_data_t hprt0; -+ DWC_DEBUGPL(DBG_ANY, "++Session Request Interrupt++\n"); -+ -+ if (dwc_otg_is_device_mode(core_if)) { -+ DWC_PRINT("SRP: Device mode\n"); -+ } else { -+ DWC_PRINT("SRP: Host mode\n"); -+ -+ /* Turn on the port power bit. */ -+ hprt0.d32 = dwc_otg_read_hprt0(core_if); -+ hprt0.b.prtpwr = 1; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ -+ /* Start the Connection timer. So a message can be displayed -+ * if connect does not occur within 10 seconds. */ -+ hcd_session_start(core_if); -+ } -+#endif -+ -+ /* Clear interrupt */ -+ gintsts.d32 = 0; -+ gintsts.b.sessreqintr = 1; -+ dwc_write_reg32 (&core_if->core_global_regs->gintsts, gintsts.d32); -+ -+ return 1; -+} -+ -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) -+void w_wakeup_detected(void *p) -+{ -+ dwc_otg_core_if_t* core_if = p; -+ -+#else -+ -+void w_wakeup_detected(struct work_struct *p) -+{ -+ struct delayed_work *dw = container_of(p, struct delayed_work, work); -+ dwc_otg_core_if_t *core_if = container_of(dw, dwc_otg_core_if_t, w_wkp); -+ -+#endif -+ /* -+ * Clear the Resume after 70ms. (Need 20 ms minimum. Use 70 ms -+ * so that OPT tests pass with all PHYs). -+ */ -+ hprt0_data_t hprt0 = {.d32=0}; -+#if 0 -+ pcgcctl_data_t pcgcctl = {.d32=0}; -+ /* Restart the Phy Clock */ -+ pcgcctl.b.stoppclk = 1; -+ dwc_modify_reg32(core_if->pcgcctl, pcgcctl.d32, 0); -+ UDELAY(10); -+#endif //0 -+ hprt0.d32 = dwc_otg_read_hprt0(core_if); -+ DWC_DEBUGPL(DBG_ANY,"Resume: HPRT0=%0x\n", hprt0.d32); -+// MDELAY(70); -+ hprt0.b.prtres = 0; /* Resume */ -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ DWC_DEBUGPL(DBG_ANY,"Clear Resume: HPRT0=%0x\n", dwc_read_reg32(core_if->host_if->hprt0)); -+} -+/** -+ * This interrupt indicates that the DWC_otg controller has detected a -+ * resume or remote wakeup sequence. If the DWC_otg controller is in -+ * low power mode, the handler must brings the controller out of low -+ * power mode. The controller automatically begins resume -+ * signaling. The handler schedules a time to stop resume signaling. -+ */ -+int32_t dwc_otg_handle_wakeup_detected_intr(dwc_otg_core_if_t *core_if) -+{ -+ gintsts_data_t gintsts; -+ -+ DWC_DEBUGPL(DBG_ANY, "++Resume and Remote Wakeup Detected Interrupt++\n"); -+ -+ if (dwc_otg_is_device_mode(core_if)) { -+ dctl_data_t dctl = {.d32=0}; -+ DWC_DEBUGPL(DBG_PCD, "DSTS=0x%0x\n", -+ dwc_read_reg32(&core_if->dev_if->dev_global_regs->dsts)); -+#ifdef PARTIAL_POWER_DOWN -+ if (core_if->hwcfg4.b.power_optimiz) { -+ pcgcctl_data_t power = {.d32=0}; -+ -+ power.d32 = dwc_read_reg32(core_if->pcgcctl); -+ DWC_DEBUGPL(DBG_CIL, "PCGCCTL=%0x\n", power.d32); -+ -+ power.b.stoppclk = 0; -+ dwc_write_reg32(core_if->pcgcctl, power.d32); -+ -+ power.b.pwrclmp = 0; -+ dwc_write_reg32(core_if->pcgcctl, power.d32); -+ -+ power.b.rstpdwnmodule = 0; -+ dwc_write_reg32(core_if->pcgcctl, power.d32); -+ } -+#endif -+ /* Clear the Remote Wakeup Signalling */ -+ dctl.b.rmtwkupsig = 1; -+ dwc_modify_reg32(&core_if->dev_if->dev_global_regs->dctl, -+ dctl.d32, 0); -+ -+ if (core_if->pcd_cb && core_if->pcd_cb->resume_wakeup) { -+ core_if->pcd_cb->resume_wakeup(core_if->pcd_cb->p); -+ } -+ -+ } else { -+ pcgcctl_data_t pcgcctl = {.d32=0}; -+ -+ /* Restart the Phy Clock */ -+ pcgcctl.b.stoppclk = 1; -+ dwc_modify_reg32(core_if->pcgcctl, pcgcctl.d32, 0); -+ -+ queue_delayed_work(core_if->wq_otg, &core_if->w_wkp, ((70 * HZ / 1000) + 1)); -+ } -+ -+ /* Clear interrupt */ -+ gintsts.d32 = 0; -+ gintsts.b.wkupintr = 1; -+ dwc_write_reg32 (&core_if->core_global_regs->gintsts, gintsts.d32); -+ -+ return 1; -+} -+ -+/** -+ * This interrupt indicates that a device has been disconnected from -+ * the root port. -+ */ -+int32_t dwc_otg_handle_disconnect_intr(dwc_otg_core_if_t *core_if) -+{ -+ gintsts_data_t gintsts; -+ -+ DWC_DEBUGPL(DBG_ANY, "++Disconnect Detected Interrupt++ (%s) %s\n", -+ (dwc_otg_is_host_mode(core_if)?"Host":"Device"), -+ op_state_str(core_if)); -+ -+/** @todo Consolidate this if statement. */ -+#ifndef DWC_HOST_ONLY -+ if (core_if->op_state == B_HOST) { -+ /* If in device mode Disconnect and stop the HCD, then -+ * start the PCD. */ -+ hcd_disconnect(core_if); -+ pcd_start(core_if); -+ core_if->op_state = B_PERIPHERAL; -+ } else if (dwc_otg_is_device_mode(core_if)) { -+ gotgctl_data_t gotgctl = { .d32 = 0 }; -+ gotgctl.d32 = dwc_read_reg32(&core_if->core_global_regs->gotgctl); -+ if (gotgctl.b.hstsethnpen==1) { -+ /* Do nothing, if HNP in process the OTG -+ * interrupt "Host Negotiation Detected" -+ * interrupt will do the mode switch. -+ */ -+ } else if (gotgctl.b.devhnpen == 0) { -+ /* If in device mode Disconnect and stop the HCD, then -+ * start the PCD. */ -+ hcd_disconnect(core_if); -+ pcd_start(core_if); -+ core_if->op_state = B_PERIPHERAL; -+ } else { -+ DWC_DEBUGPL(DBG_ANY,"!a_peripheral && !devhnpen\n"); -+ } -+ } else { -+ if (core_if->op_state == A_HOST) { -+ /* A-Cable still connected but device disconnected. */ -+ hcd_disconnect(core_if); -+ } -+ } -+#endif -+ -+ gintsts.d32 = 0; -+ gintsts.b.disconnect = 1; -+ dwc_write_reg32 (&core_if->core_global_regs->gintsts, gintsts.d32); -+ return 1; -+} -+/** -+ * This interrupt indicates that SUSPEND state has been detected on -+ * the USB. -+ * -+ * For HNP the USB Suspend interrupt signals the change from -+ * "a_peripheral" to "a_host". -+ * -+ * When power management is enabled the core will be put in low power -+ * mode. -+ */ -+int32_t dwc_otg_handle_usb_suspend_intr(dwc_otg_core_if_t *core_if) -+{ -+ dsts_data_t dsts; -+ gintsts_data_t gintsts; -+ -+ DWC_DEBUGPL(DBG_ANY,"USB SUSPEND\n"); -+ -+ if (dwc_otg_is_device_mode(core_if)) { -+ /* Check the Device status register to determine if the Suspend -+ * state is active. */ -+ dsts.d32 = dwc_read_reg32(&core_if->dev_if->dev_global_regs->dsts); -+ DWC_DEBUGPL(DBG_PCD, "DSTS=0x%0x\n", dsts.d32); -+ DWC_DEBUGPL(DBG_PCD, "DSTS.Suspend Status=%d " -+ "HWCFG4.power Optimize=%d\n", -+ dsts.b.suspsts, core_if->hwcfg4.b.power_optimiz); -+ -+ -+#ifdef PARTIAL_POWER_DOWN -+/** @todo Add a module parameter for power management. */ -+ -+ if (dsts.b.suspsts && core_if->hwcfg4.b.power_optimiz) { -+ pcgcctl_data_t power = {.d32=0}; -+ DWC_DEBUGPL(DBG_CIL, "suspend\n"); -+ -+ power.b.pwrclmp = 1; -+ dwc_write_reg32(core_if->pcgcctl, power.d32); -+ -+ power.b.rstpdwnmodule = 1; -+ dwc_modify_reg32(core_if->pcgcctl, 0, power.d32); -+ -+ power.b.stoppclk = 1; -+ dwc_modify_reg32(core_if->pcgcctl, 0, power.d32); -+ -+ } else { -+ DWC_DEBUGPL(DBG_ANY,"disconnect?\n"); -+ } -+#endif -+ /* PCD callback for suspend. */ -+ pcd_suspend(core_if); -+ } else { -+ if (core_if->op_state == A_PERIPHERAL) { -+ DWC_DEBUGPL(DBG_ANY,"a_peripheral->a_host\n"); -+ /* Clear the a_peripheral flag, back to a_host. */ -+ pcd_stop(core_if); -+ hcd_start(core_if); -+ core_if->op_state = A_HOST; -+ } -+ } -+ -+ /* Clear interrupt */ -+ gintsts.d32 = 0; -+ gintsts.b.usbsuspend = 1; -+ dwc_write_reg32(&core_if->core_global_regs->gintsts, gintsts.d32); -+ -+ return 1; -+} -+ -+ -+/** -+ * This function returns the Core Interrupt register. -+ */ -+static inline uint32_t dwc_otg_read_common_intr(dwc_otg_core_if_t *core_if) -+{ -+ gintsts_data_t gintsts; -+ gintmsk_data_t gintmsk; -+ gintmsk_data_t gintmsk_common = {.d32=0}; -+ gintmsk_common.b.wkupintr = 1; -+ gintmsk_common.b.sessreqintr = 1; -+ gintmsk_common.b.conidstschng = 1; -+ gintmsk_common.b.otgintr = 1; -+ gintmsk_common.b.modemismatch = 1; -+ gintmsk_common.b.disconnect = 1; -+ gintmsk_common.b.usbsuspend = 1; -+ /** @todo: The port interrupt occurs while in device -+ * mode. Added code to CIL to clear the interrupt for now! -+ */ -+ gintmsk_common.b.portintr = 1; -+ -+ gintsts.d32 = dwc_read_reg32(&core_if->core_global_regs->gintsts); -+ gintmsk.d32 = dwc_read_reg32(&core_if->core_global_regs->gintmsk); -+#ifdef DEBUG -+ /* if any common interrupts set */ -+ if (gintsts.d32 & gintmsk_common.d32) { -+ DWC_DEBUGPL(DBG_ANY, "gintsts=%08x gintmsk=%08x\n", -+ gintsts.d32, gintmsk.d32); -+ } -+#endif -+ -+ return ((gintsts.d32 & gintmsk.d32) & gintmsk_common.d32); -+ -+} -+ -+/** -+ * Common interrupt handler. -+ * -+ * The common interrupts are those that occur in both Host and Device mode. -+ * This handler handles the following interrupts: -+ * - Mode Mismatch Interrupt -+ * - Disconnect Interrupt -+ * - OTG Interrupt -+ * - Connector ID Status Change Interrupt -+ * - Session Request Interrupt. -+ * - Resume / Remote Wakeup Detected Interrupt. -+ * -+ */ -+int32_t dwc_otg_handle_common_intr(dwc_otg_core_if_t *core_if) -+{ -+ int retval = 0; -+ gintsts_data_t gintsts; -+ -+ gintsts.d32 = dwc_otg_read_common_intr(core_if); -+ -+ if (gintsts.b.modemismatch) { -+ retval |= dwc_otg_handle_mode_mismatch_intr(core_if); -+ } -+ if (gintsts.b.otgintr) { -+ retval |= dwc_otg_handle_otg_intr(core_if); -+ } -+ if (gintsts.b.conidstschng) { -+ retval |= dwc_otg_handle_conn_id_status_change_intr(core_if); -+ } -+ if (gintsts.b.disconnect) { -+ retval |= dwc_otg_handle_disconnect_intr(core_if); -+ } -+ if (gintsts.b.sessreqintr) { -+ retval |= dwc_otg_handle_session_req_intr(core_if); -+ } -+ if (gintsts.b.wkupintr) { -+ retval |= dwc_otg_handle_wakeup_detected_intr(core_if); -+ } -+ if (gintsts.b.usbsuspend) { -+ retval |= dwc_otg_handle_usb_suspend_intr(core_if); -+ } -+ if (gintsts.b.portintr && dwc_otg_is_device_mode(core_if)) { -+ /* The port interrupt occurs while in device mode with HPRT0 -+ * Port Enable/Disable. -+ */ -+ gintsts.d32 = 0; -+ gintsts.b.portintr = 1; -+ dwc_write_reg32(&core_if->core_global_regs->gintsts, -+ gintsts.d32); -+ retval |= 1; -+ -+ } -+ -+ S3C2410X_CLEAR_EINTPEND(); -+ -+ return retval; -+} ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_driver.c -@@ -0,0 +1,1273 @@ -+/* ========================================================================== -+ * $File: //dwh/usb_iip/dev/software/otg_ipmate/linux/drivers/dwc_otg_driver.c $ -+ * $Revision: 1.7 $ -+ * $Date: 2008-11-21 05:39:15 $ -+ * $Change: 791271 $ -+ * -+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, -+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless -+ * otherwise expressly agreed to in writing between Synopsys and you. -+ * -+ * The Software IS NOT an item of Licensed Software or Licensed Product under -+ * any End User Software License Agreement or Agreement for Licensed Product -+ * with Synopsys or any supplement thereto. You are permitted to use and -+ * redistribute this Software in source and binary forms, with or without -+ * modification, provided that redistributions of source code must retain this -+ * notice. You may not view, use, disclose, copy or distribute this file or -+ * any information contained herein except pursuant to this license grant from -+ * Synopsys. If you do not agree with this notice, including the disclaimer -+ * below, then you are not authorized to use the Software. -+ * -+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS -+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, -+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH -+ * DAMAGE. -+ * ========================================================================== */ -+ -+/** @file -+ * The dwc_otg_driver module provides the initialization and cleanup entry -+ * points for the DWC_otg driver. This module will be dynamically installed -+ * after Linux is booted using the insmod command. When the module is -+ * installed, the dwc_otg_driver_init function is called. When the module is -+ * removed (using rmmod), the dwc_otg_driver_cleanup function is called. -+ * -+ * This module also defines a data structure for the dwc_otg_driver, which is -+ * used in conjunction with the standard ARM platform_device structure. These -+ * structures allow the OTG driver to comply with the standard Linux driver -+ * model in which devices and drivers are registered with a bus driver. This -+ * has the benefit that Linux can expose attributes of the driver and device -+ * in its special sysfs file system. Users can then read or write files in -+ * this file system to perform diagnostics on the driver components or the -+ * device. -+ */ -+ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/init.h> -+#include <linux/device.h> -+#include <linux/errno.h> -+#include <linux/types.h> -+#include <linux/stat.h> /* permission constants */ -+#include <linux/version.h> -+#include <linux/platform_device.h> -+ -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -+# include <linux/irq.h> -+#endif -+ -+#include <asm/io.h> -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) -+# include <asm/irq.h> -+#endif -+ -+#include "linux/dwc_otg_plat.h" -+#include "dwc_otg_attr.h" -+#include "dwc_otg_driver.h" -+#include "dwc_otg_cil.h" -+#include "dwc_otg_pcd.h" -+#include "dwc_otg_hcd.h" -+ -+#define DWC_DRIVER_VERSION "2.72a 24-JUN-2008" -+#define DWC_DRIVER_DESC "HS OTG USB Controller driver" -+ -+static const char dwc_driver_name[] = "dwc_otg"; -+ -+/*-------------------------------------------------------------------------*/ -+/* Encapsulate the module parameter settings */ -+ -+static dwc_otg_core_params_t dwc_otg_module_params = { -+ .opt = -1, -+ .otg_cap = -1, -+ .dma_enable = -1, -+ .dma_desc_enable = -1, -+ .dma_burst_size = -1, -+ .speed = -1, -+ .host_support_fs_ls_low_power = -1, -+ .host_ls_low_power_phy_clk = -1, -+ .enable_dynamic_fifo = -1, -+ .data_fifo_size = -1, -+ .dev_rx_fifo_size = -1, -+ .dev_nperio_tx_fifo_size = -1, -+ .dev_perio_tx_fifo_size = { -+ /* dev_perio_tx_fifo_size_1 */ -+ -1, -+ -1, -+ -1, -+ -1, -+ -1, -+ -1, -+ -1, -+ -1, -+ -1, -+ -1, -+ -1, -+ -1, -+ -1, -+ -1, -+ -1 -+ /* 15 */ -+ }, -+ .host_rx_fifo_size = -1, -+ .host_nperio_tx_fifo_size = -1, -+ .host_perio_tx_fifo_size = -1, -+ .max_transfer_size = -1, -+ .max_packet_count = -1, -+ .host_channels = -1, -+ .dev_endpoints = -1, -+ .phy_type = -1, -+ .phy_utmi_width = -1, -+ .phy_ulpi_ddr = -1, -+ .phy_ulpi_ext_vbus = -1, -+ .i2c_enable = -1, -+ .ulpi_fs_ls = -1, -+ .ts_dline = -1, -+ .en_multiple_tx_fifo = -1, -+ .dev_tx_fifo_size = { -+ /* dev_tx_fifo_size */ -+ -1, -+ -1, -+ -1, -+ -1, -+ -1, -+ -1, -+ -1, -+ -1, -+ -1, -+ -1, -+ -1, -+ -1, -+ -1, -+ -1, -+ -1 -+ /* 15 */ -+ }, -+ .thr_ctl = -1, -+ .tx_thr_length = -1, -+ .rx_thr_length = -1, -+ .pti_enable = -1, -+ .mpi_enable = -1, -+}; -+ -+/** -+ * This function shows the Driver Version. -+ */ -+static ssize_t version_show(struct device_driver *dev, char *buf) -+{ -+ return snprintf(buf, sizeof(DWC_DRIVER_VERSION)+2, "%s\n", -+ DWC_DRIVER_VERSION); -+} -+static DRIVER_ATTR(version, S_IRUGO, version_show, NULL); -+ -+/** -+ * Global Debug Level Mask. -+ */ -+uint32_t g_dbg_lvl = 0; /* OFF */ -+ -+/** -+ * This function shows the driver Debug Level. -+ */ -+static ssize_t dbg_level_show(struct device_driver *drv, char *buf) -+{ -+ return sprintf(buf, "0x%0x\n", g_dbg_lvl); -+} -+ -+/** -+ * This function stores the driver Debug Level. -+ */ -+static ssize_t dbg_level_store(struct device_driver *drv, const char *buf, -+ size_t count) -+{ -+ g_dbg_lvl = simple_strtoul(buf, NULL, 16); -+ return count; -+} -+static DRIVER_ATTR(debuglevel, S_IRUGO|S_IWUSR, dbg_level_show, dbg_level_store); -+ -+/** -+ * This function is called during module intialization to verify that -+ * the module parameters are in a valid state. -+ */ -+static int check_parameters(dwc_otg_core_if_t *core_if) -+{ -+ int i; -+ int retval = 0; -+ -+/* Checks if the parameter is outside of its valid range of values */ -+#define DWC_OTG_PARAM_TEST(_param_, _low_, _high_) \ -+ ((dwc_otg_module_params._param_ < (_low_)) || \ -+ (dwc_otg_module_params._param_ > (_high_))) -+ -+/* If the parameter has been set by the user, check that the parameter value is -+ * within the value range of values. If not, report a module error. */ -+#define DWC_OTG_PARAM_ERR(_param_, _low_, _high_, _string_) \ -+ do { \ -+ if (dwc_otg_module_params._param_ != -1) { \ -+ if (DWC_OTG_PARAM_TEST(_param_, (_low_), (_high_))) { \ -+ DWC_ERROR("`%d' invalid for parameter `%s'\n", \ -+ dwc_otg_module_params._param_, _string_); \ -+ dwc_otg_module_params._param_ = dwc_param_##_param_##_default; \ -+ retval++; \ -+ } \ -+ } \ -+ } while (0) -+ -+ DWC_OTG_PARAM_ERR(opt,0,1,"opt"); -+ DWC_OTG_PARAM_ERR(otg_cap,0,2,"otg_cap"); -+ DWC_OTG_PARAM_ERR(dma_enable,0,1,"dma_enable"); -+ DWC_OTG_PARAM_ERR(dma_desc_enable,0,1,"dma_desc_enable"); -+ DWC_OTG_PARAM_ERR(speed,0,1,"speed"); -+ DWC_OTG_PARAM_ERR(host_support_fs_ls_low_power,0,1,"host_support_fs_ls_low_power"); -+ DWC_OTG_PARAM_ERR(host_ls_low_power_phy_clk,0,1,"host_ls_low_power_phy_clk"); -+ DWC_OTG_PARAM_ERR(enable_dynamic_fifo,0,1,"enable_dynamic_fifo"); -+ DWC_OTG_PARAM_ERR(data_fifo_size,32,32768,"data_fifo_size"); -+ DWC_OTG_PARAM_ERR(dev_rx_fifo_size,16,32768,"dev_rx_fifo_size"); -+ DWC_OTG_PARAM_ERR(dev_nperio_tx_fifo_size,16,32768,"dev_nperio_tx_fifo_size"); -+ DWC_OTG_PARAM_ERR(host_rx_fifo_size,16,32768,"host_rx_fifo_size"); -+ DWC_OTG_PARAM_ERR(host_nperio_tx_fifo_size,16,32768,"host_nperio_tx_fifo_size"); -+ DWC_OTG_PARAM_ERR(host_perio_tx_fifo_size,16,32768,"host_perio_tx_fifo_size"); -+ DWC_OTG_PARAM_ERR(max_transfer_size,2047,524288,"max_transfer_size"); -+ DWC_OTG_PARAM_ERR(max_packet_count,15,511,"max_packet_count"); -+ DWC_OTG_PARAM_ERR(host_channels,1,16,"host_channels"); -+ DWC_OTG_PARAM_ERR(dev_endpoints,1,15,"dev_endpoints"); -+ DWC_OTG_PARAM_ERR(phy_type,0,2,"phy_type"); -+ DWC_OTG_PARAM_ERR(phy_ulpi_ddr,0,1,"phy_ulpi_ddr"); -+ DWC_OTG_PARAM_ERR(phy_ulpi_ext_vbus,0,1,"phy_ulpi_ext_vbus"); -+ DWC_OTG_PARAM_ERR(i2c_enable,0,1,"i2c_enable"); -+ DWC_OTG_PARAM_ERR(ulpi_fs_ls,0,1,"ulpi_fs_ls"); -+ DWC_OTG_PARAM_ERR(ts_dline,0,1,"ts_dline"); -+ -+ if (dwc_otg_module_params.dma_burst_size != -1) { -+ if (DWC_OTG_PARAM_TEST(dma_burst_size,1,1) && -+ DWC_OTG_PARAM_TEST(dma_burst_size,4,4) && -+ DWC_OTG_PARAM_TEST(dma_burst_size,8,8) && -+ DWC_OTG_PARAM_TEST(dma_burst_size,16,16) && -+ DWC_OTG_PARAM_TEST(dma_burst_size,32,32) && -+ DWC_OTG_PARAM_TEST(dma_burst_size,64,64) && -+ DWC_OTG_PARAM_TEST(dma_burst_size,128,128) && -+ DWC_OTG_PARAM_TEST(dma_burst_size,256,256)) { -+ DWC_ERROR("`%d' invalid for parameter `dma_burst_size'\n", -+ dwc_otg_module_params.dma_burst_size); -+ dwc_otg_module_params.dma_burst_size = 32; -+ retval++; -+ } -+ -+ { -+ uint8_t brst_sz = 0; -+ while(dwc_otg_module_params.dma_burst_size > 1) { -+ brst_sz ++; -+ dwc_otg_module_params.dma_burst_size >>= 1; -+ } -+ dwc_otg_module_params.dma_burst_size = brst_sz; -+ } -+ } -+ -+ if (dwc_otg_module_params.phy_utmi_width != -1) { -+ if (DWC_OTG_PARAM_TEST(phy_utmi_width, 8, 8) && -+ DWC_OTG_PARAM_TEST(phy_utmi_width, 16, 16)) { -+ DWC_ERROR("`%d' invalid for parameter `phy_utmi_width'\n", -+ dwc_otg_module_params.phy_utmi_width); -+ dwc_otg_module_params.phy_utmi_width = 16; -+ retval++; -+ } -+ } -+ -+ for (i = 0; i < 15; i++) { -+ /** @todo should be like above */ -+ //DWC_OTG_PARAM_ERR(dev_perio_tx_fifo_size[i], 4, 768, "dev_perio_tx_fifo_size"); -+ if (dwc_otg_module_params.dev_perio_tx_fifo_size[i] != -1) { -+ if (DWC_OTG_PARAM_TEST(dev_perio_tx_fifo_size[i], 4, 768)) { -+ DWC_ERROR("`%d' invalid for parameter `%s_%d'\n", -+ dwc_otg_module_params.dev_perio_tx_fifo_size[i], "dev_perio_tx_fifo_size", i); -+ dwc_otg_module_params.dev_perio_tx_fifo_size[i] = dwc_param_dev_perio_tx_fifo_size_default; -+ retval++; -+ } -+ } -+ } -+ -+ DWC_OTG_PARAM_ERR(en_multiple_tx_fifo, 0, 1, "en_multiple_tx_fifo"); -+ -+ for (i = 0; i < 15; i++) { -+ /** @todo should be like above */ -+ //DWC_OTG_PARAM_ERR(dev_tx_fifo_size[i], 4, 768, "dev_tx_fifo_size"); -+ if (dwc_otg_module_params.dev_tx_fifo_size[i] != -1) { -+ if (DWC_OTG_PARAM_TEST(dev_tx_fifo_size[i], 4, 768)) { -+ DWC_ERROR("`%d' invalid for parameter `%s_%d'\n", -+ dwc_otg_module_params.dev_tx_fifo_size[i], "dev_tx_fifo_size", i); -+ dwc_otg_module_params.dev_tx_fifo_size[i] = dwc_param_dev_tx_fifo_size_default; -+ retval++; -+ } -+ } -+ } -+ -+ DWC_OTG_PARAM_ERR(thr_ctl, 0, 7, "thr_ctl"); -+ DWC_OTG_PARAM_ERR(tx_thr_length, 8, 128, "tx_thr_length"); -+ DWC_OTG_PARAM_ERR(rx_thr_length, 8, 128, "rx_thr_length"); -+ -+ DWC_OTG_PARAM_ERR(pti_enable,0,1,"pti_enable"); -+ DWC_OTG_PARAM_ERR(mpi_enable,0,1,"mpi_enable"); -+ -+ /* At this point, all module parameters that have been set by the user -+ * are valid, and those that have not are left unset. Now set their -+ * default values and/or check the parameters against the hardware -+ * configurations of the OTG core. */ -+ -+/* This sets the parameter to the default value if it has not been set by the -+ * user */ -+#define DWC_OTG_PARAM_SET_DEFAULT(_param_) \ -+ ({ \ -+ int changed = 1; \ -+ if (dwc_otg_module_params._param_ == -1) { \ -+ changed = 0; \ -+ dwc_otg_module_params._param_ = dwc_param_##_param_##_default; \ -+ } \ -+ changed; \ -+ }) -+ -+/* This checks the macro agains the hardware configuration to see if it is -+ * valid. It is possible that the default value could be invalid. In this -+ * case, it will report a module error if the user touched the parameter. -+ * Otherwise it will adjust the value without any error. */ -+#define DWC_OTG_PARAM_CHECK_VALID(_param_, _str_, _is_valid_, _set_valid_) \ -+ ({ \ -+ int changed = DWC_OTG_PARAM_SET_DEFAULT(_param_); \ -+ int error = 0; \ -+ if (!(_is_valid_)) { \ -+ if (changed) { \ -+ DWC_ERROR("`%d' invalid for parameter `%s'. Check HW configuration.\n", dwc_otg_module_params._param_, _str_); \ -+ error = 1; \ -+ } \ -+ dwc_otg_module_params._param_ = (_set_valid_); \ -+ } \ -+ error; \ -+ }) -+ -+ /* OTG Cap */ -+ retval += DWC_OTG_PARAM_CHECK_VALID(otg_cap, "otg_cap", -+ ({ -+ int valid; -+ valid = 1; -+ switch (dwc_otg_module_params.otg_cap) { -+ case DWC_OTG_CAP_PARAM_HNP_SRP_CAPABLE: -+ if (core_if->hwcfg2.b.op_mode != DWC_HWCFG2_OP_MODE_HNP_SRP_CAPABLE_OTG) -+ valid = 0; -+ break; -+ case DWC_OTG_CAP_PARAM_SRP_ONLY_CAPABLE: -+ if ((core_if->hwcfg2.b.op_mode != DWC_HWCFG2_OP_MODE_HNP_SRP_CAPABLE_OTG) && -+ (core_if->hwcfg2.b.op_mode != DWC_HWCFG2_OP_MODE_SRP_ONLY_CAPABLE_OTG) && -+ (core_if->hwcfg2.b.op_mode != DWC_HWCFG2_OP_MODE_SRP_CAPABLE_DEVICE) && -+ (core_if->hwcfg2.b.op_mode != DWC_HWCFG2_OP_MODE_SRP_CAPABLE_HOST)) { -+ valid = 0; -+ } -+ break; -+ case DWC_OTG_CAP_PARAM_NO_HNP_SRP_CAPABLE: -+ /* always valid */ -+ break; -+ } -+ valid; -+ }), -+ (((core_if->hwcfg2.b.op_mode == DWC_HWCFG2_OP_MODE_HNP_SRP_CAPABLE_OTG) || -+ (core_if->hwcfg2.b.op_mode == DWC_HWCFG2_OP_MODE_SRP_ONLY_CAPABLE_OTG) || -+ (core_if->hwcfg2.b.op_mode == DWC_HWCFG2_OP_MODE_SRP_CAPABLE_DEVICE) || -+ (core_if->hwcfg2.b.op_mode == DWC_HWCFG2_OP_MODE_SRP_CAPABLE_HOST)) ? -+ DWC_OTG_CAP_PARAM_SRP_ONLY_CAPABLE : -+ DWC_OTG_CAP_PARAM_NO_HNP_SRP_CAPABLE)); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(dma_enable, "dma_enable", -+ ((dwc_otg_module_params.dma_enable == 1) && (core_if->hwcfg2.b.architecture == 0)) ? 0 : 1, -+ 0); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(dma_desc_enable, "dma_desc_enable", -+ ((dwc_otg_module_params.dma_desc_enable == 1) && -+ ((dwc_otg_module_params.dma_enable == 0) || (core_if->hwcfg4.b.desc_dma == 0))) ? 0 : 1, -+ 0); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(opt, "opt", 1, 0); -+ -+ DWC_OTG_PARAM_SET_DEFAULT(dma_burst_size); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(host_support_fs_ls_low_power, -+ "host_support_fs_ls_low_power", -+ 1, 0); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(enable_dynamic_fifo, -+ "enable_dynamic_fifo", -+ ((dwc_otg_module_params.enable_dynamic_fifo == 0) || -+ (core_if->hwcfg2.b.dynamic_fifo == 1)), 0); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(data_fifo_size, -+ "data_fifo_size", -+ (dwc_otg_module_params.data_fifo_size <= core_if->hwcfg3.b.dfifo_depth), -+ core_if->hwcfg3.b.dfifo_depth); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(dev_rx_fifo_size, -+ "dev_rx_fifo_size", -+ (dwc_otg_module_params.dev_rx_fifo_size <= dwc_read_reg32(&core_if->core_global_regs->grxfsiz)), -+ dwc_read_reg32(&core_if->core_global_regs->grxfsiz)); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(dev_nperio_tx_fifo_size, -+ "dev_nperio_tx_fifo_size", -+ (dwc_otg_module_params.dev_nperio_tx_fifo_size <= (dwc_read_reg32(&core_if->core_global_regs->gnptxfsiz) >> 16)), -+ (dwc_read_reg32(&core_if->core_global_regs->gnptxfsiz) >> 16)); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(host_rx_fifo_size, -+ "host_rx_fifo_size", -+ (dwc_otg_module_params.host_rx_fifo_size <= dwc_read_reg32(&core_if->core_global_regs->grxfsiz)), -+ dwc_read_reg32(&core_if->core_global_regs->grxfsiz)); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(host_nperio_tx_fifo_size, -+ "host_nperio_tx_fifo_size", -+ (dwc_otg_module_params.host_nperio_tx_fifo_size <= (dwc_read_reg32(&core_if->core_global_regs->gnptxfsiz) >> 16)), -+ (dwc_read_reg32(&core_if->core_global_regs->gnptxfsiz) >> 16)); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(host_perio_tx_fifo_size, -+ "host_perio_tx_fifo_size", -+ (dwc_otg_module_params.host_perio_tx_fifo_size <= ((dwc_read_reg32(&core_if->core_global_regs->hptxfsiz) >> 16))), -+ ((dwc_read_reg32(&core_if->core_global_regs->hptxfsiz) >> 16))); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(max_transfer_size, -+ "max_transfer_size", -+ (dwc_otg_module_params.max_transfer_size < (1 << (core_if->hwcfg3.b.xfer_size_cntr_width + 11))), -+ ((1 << (core_if->hwcfg3.b.xfer_size_cntr_width + 11)) - 1)); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(max_packet_count, -+ "max_packet_count", -+ (dwc_otg_module_params.max_packet_count < (1 << (core_if->hwcfg3.b.packet_size_cntr_width + 4))), -+ ((1 << (core_if->hwcfg3.b.packet_size_cntr_width + 4)) - 1)); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(host_channels, -+ "host_channels", -+ (dwc_otg_module_params.host_channels <= (core_if->hwcfg2.b.num_host_chan + 1)), -+ (core_if->hwcfg2.b.num_host_chan + 1)); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(dev_endpoints, -+ "dev_endpoints", -+ (dwc_otg_module_params.dev_endpoints <= (core_if->hwcfg2.b.num_dev_ep)), -+ core_if->hwcfg2.b.num_dev_ep); -+ -+/* -+ * Define the following to disable the FS PHY Hardware checking. This is for -+ * internal testing only. -+ * -+ * #define NO_FS_PHY_HW_CHECKS -+ */ -+ -+#ifdef NO_FS_PHY_HW_CHECKS -+ retval += DWC_OTG_PARAM_CHECK_VALID(phy_type, -+ "phy_type", 1, 0); -+#else -+ retval += DWC_OTG_PARAM_CHECK_VALID(phy_type, -+ "phy_type", -+ ({ -+ int valid = 0; -+ if ((dwc_otg_module_params.phy_type == DWC_PHY_TYPE_PARAM_UTMI) && -+ ((core_if->hwcfg2.b.hs_phy_type == 1) || -+ (core_if->hwcfg2.b.hs_phy_type == 3))) { -+ valid = 1; -+ } -+ else if ((dwc_otg_module_params.phy_type == DWC_PHY_TYPE_PARAM_ULPI) && -+ ((core_if->hwcfg2.b.hs_phy_type == 2) || -+ (core_if->hwcfg2.b.hs_phy_type == 3))) { -+ valid = 1; -+ } -+ else if ((dwc_otg_module_params.phy_type == DWC_PHY_TYPE_PARAM_FS) && -+ (core_if->hwcfg2.b.fs_phy_type == 1)) { -+ valid = 1; -+ } -+ valid; -+ }), -+ ({ -+ int set = DWC_PHY_TYPE_PARAM_FS; -+ if (core_if->hwcfg2.b.hs_phy_type) { -+ if ((core_if->hwcfg2.b.hs_phy_type == 3) || -+ (core_if->hwcfg2.b.hs_phy_type == 1)) { -+ set = DWC_PHY_TYPE_PARAM_UTMI; -+ } -+ else { -+ set = DWC_PHY_TYPE_PARAM_ULPI; -+ } -+ } -+ set; -+ })); -+#endif -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(speed, "speed", -+ (dwc_otg_module_params.speed == 0) && (dwc_otg_module_params.phy_type == DWC_PHY_TYPE_PARAM_FS) ? 0 : 1, -+ dwc_otg_module_params.phy_type == DWC_PHY_TYPE_PARAM_FS ? 1 : 0); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(host_ls_low_power_phy_clk, -+ "host_ls_low_power_phy_clk", -+ ((dwc_otg_module_params.host_ls_low_power_phy_clk == DWC_HOST_LS_LOW_POWER_PHY_CLK_PARAM_48MHZ) && (dwc_otg_module_params.phy_type == DWC_PHY_TYPE_PARAM_FS) ? 0 : 1), -+ ((dwc_otg_module_params.phy_type == DWC_PHY_TYPE_PARAM_FS) ? DWC_HOST_LS_LOW_POWER_PHY_CLK_PARAM_6MHZ : DWC_HOST_LS_LOW_POWER_PHY_CLK_PARAM_48MHZ)); -+ -+ DWC_OTG_PARAM_SET_DEFAULT(phy_ulpi_ddr); -+ DWC_OTG_PARAM_SET_DEFAULT(phy_ulpi_ext_vbus); -+ DWC_OTG_PARAM_SET_DEFAULT(phy_utmi_width); -+ DWC_OTG_PARAM_SET_DEFAULT(ulpi_fs_ls); -+ DWC_OTG_PARAM_SET_DEFAULT(ts_dline); -+ -+#ifdef NO_FS_PHY_HW_CHECKS -+ retval += DWC_OTG_PARAM_CHECK_VALID(i2c_enable, "i2c_enable", 1, 0); -+#else -+ retval += DWC_OTG_PARAM_CHECK_VALID(i2c_enable, -+ "i2c_enable", -+ (dwc_otg_module_params.i2c_enable == 1) && (core_if->hwcfg3.b.i2c == 0) ? 0 : 1, -+ 0); -+#endif -+ -+ for (i = 0; i < 15; i++) { -+ int changed = 1; -+ int error = 0; -+ -+ if (dwc_otg_module_params.dev_perio_tx_fifo_size[i] == -1) { -+ changed = 0; -+ dwc_otg_module_params.dev_perio_tx_fifo_size[i] = dwc_param_dev_perio_tx_fifo_size_default; -+ } -+ if (!(dwc_otg_module_params.dev_perio_tx_fifo_size[i] <= (dwc_read_reg32(&core_if->core_global_regs->dptxfsiz_dieptxf[i])))) { -+ if (changed) { -+ DWC_ERROR("`%d' invalid for parameter `dev_perio_fifo_size_%d'. Check HW configuration.\n", dwc_otg_module_params.dev_perio_tx_fifo_size[i], i); -+ error = 1; -+ } -+ dwc_otg_module_params.dev_perio_tx_fifo_size[i] = dwc_read_reg32(&core_if->core_global_regs->dptxfsiz_dieptxf[i]); -+ } -+ retval += error; -+ } -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(en_multiple_tx_fifo, "en_multiple_tx_fifo", -+ ((dwc_otg_module_params.en_multiple_tx_fifo == 1) && (core_if->hwcfg4.b.ded_fifo_en == 0)) ? 0 : 1, -+ 0); -+ -+ for (i = 0; i < 15; i++) { -+ int changed = 1; -+ int error = 0; -+ -+ if (dwc_otg_module_params.dev_tx_fifo_size[i] == -1) { -+ changed = 0; -+ dwc_otg_module_params.dev_tx_fifo_size[i] = dwc_param_dev_tx_fifo_size_default; -+ } -+ if (!(dwc_otg_module_params.dev_tx_fifo_size[i] <= (dwc_read_reg32(&core_if->core_global_regs->dptxfsiz_dieptxf[i])))) { -+ if (changed) { -+ DWC_ERROR("%d' invalid for parameter `dev_perio_fifo_size_%d'. Check HW configuration.\n", dwc_otg_module_params.dev_tx_fifo_size[i], i); -+ error = 1; -+ } -+ dwc_otg_module_params.dev_tx_fifo_size[i] = dwc_read_reg32(&core_if->core_global_regs->dptxfsiz_dieptxf[i]); -+ } -+ retval += error; -+ } -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(thr_ctl, "thr_ctl", -+ ((dwc_otg_module_params.thr_ctl != 0) && ((dwc_otg_module_params.dma_enable == 0) || (core_if->hwcfg4.b.ded_fifo_en == 0))) ? 0 : 1, -+ 0); -+ -+ DWC_OTG_PARAM_SET_DEFAULT(tx_thr_length); -+ DWC_OTG_PARAM_SET_DEFAULT(rx_thr_length); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(pti_enable, "pti_enable", -+ ((dwc_otg_module_params.pti_enable == 0) || ((dwc_otg_module_params.pti_enable == 1) && (core_if->snpsid >= 0x4F54272A))) ? 1 : 0, -+ 0); -+ -+ retval += DWC_OTG_PARAM_CHECK_VALID(mpi_enable, "mpi_enable", -+ ((dwc_otg_module_params.mpi_enable == 0) || ((dwc_otg_module_params.mpi_enable == 1) && (core_if->hwcfg2.b.multi_proc_int == 1))) ? 1 : 0, -+ 0); -+ return retval; -+} -+ -+/** -+ * This function is the top level interrupt handler for the Common -+ * (Device and host modes) interrupts. -+ */ -+static irqreturn_t dwc_otg_common_irq(int irq, void *dev -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+ , struct pt_regs *r -+#endif -+ ) -+{ -+ dwc_otg_device_t *otg_dev = dev; -+ int32_t retval = IRQ_NONE; -+ -+ retval = dwc_otg_handle_common_intr(otg_dev->core_if); -+ return IRQ_RETVAL(retval); -+} -+ -+/** -+ * This function is called when a platform_device is unregistered with the -+ * dwc_otg_driver. This happens, for example, when the rmmod command is -+ * executed. The device may or may not be electrically present. If it is -+ * present, the driver stops device processing. Any resources used on behalf -+ * of this device are freed. -+ * -+ * @param[in] pdev -+ */ -+static int dwc_otg_driver_remove(struct platform_device *pdev) -+{ -+ dwc_otg_device_t *otg_dev = platform_get_drvdata(pdev); -+ DWC_DEBUGPL(DBG_ANY, "%s(%p)\n", __func__, pdev); -+ -+ if (!otg_dev) { -+ /* Memory allocation for the dwc_otg_device failed. */ -+ DWC_DEBUGPL(DBG_ANY, "%s: otg_dev NULL!\n", __func__); -+ return 0; -+ } -+ -+ /* -+ * Free the IRQ -+ */ -+ if (otg_dev->common_irq_installed) { -+ free_irq(otg_dev->irq, otg_dev); -+ } -+ -+#ifndef DWC_DEVICE_ONLY -+ if (otg_dev->hcd) { -+ dwc_otg_hcd_remove(&pdev->dev); -+ } else { -+ DWC_DEBUGPL(DBG_ANY, "%s: otg_dev->hcd NULL!\n", __func__); -+ return 0; -+ } -+#endif -+ -+#ifndef DWC_HOST_ONLY -+ if (otg_dev->pcd) { -+ dwc_otg_pcd_remove(&pdev->dev); -+ } -+#endif -+ if (otg_dev->core_if) { -+ dwc_otg_cil_remove(otg_dev->core_if); -+ } -+ -+ /* -+ * Remove the device attributes -+ */ -+ dwc_otg_attr_remove(otg_dev->parent); -+ -+ /* Disable USB port */ -+ dwc_write_reg32((uint32_t *)((uint8_t *)otg_dev->base + 0xe00), 0xf); -+ -+ /* -+ * Return the memory. -+ */ -+ if (otg_dev->base) { -+ iounmap(otg_dev->base); -+ } -+ -+ if (otg_dev->phys_addr != 0) { -+ release_mem_region(otg_dev->phys_addr, otg_dev->base_len); -+ } -+ -+ kfree(otg_dev); -+ -+ /* -+ * Clear the drvdata pointer. -+ */ -+ platform_set_drvdata(pdev, NULL); -+ -+ return 0; -+} -+ -+/** -+ * This function is called when an platform_device is bound to a -+ * dwc_otg_driver. It creates the driver components required to -+ * control the device (CIL, HCD, and PCD) and it initializes the -+ * device. The driver components are stored in a dwc_otg_device -+ * structure. A reference to the dwc_otg_device is saved in the -+ * platform_device. This allows the driver to access the dwc_otg_device -+ * structure on subsequent calls to driver methods for this device. -+ * -+ * @param[in] pdev platform_device definition -+ */ -+static int dwc_otg_driver_probe(struct platform_device *pdev) -+{ -+ int retval = 0; -+ uint32_t snpsid; -+ dwc_otg_device_t *otg_dev; -+ struct resource *res; -+ -+ dev_dbg(&pdev->dev, "dwc_otg_driver_probe(%p)\n", pdev); -+ -+ otg_dev= kzalloc(sizeof(dwc_otg_device_t), GFP_KERNEL); -+ if (!otg_dev) { -+ dev_err(&pdev->dev, "kmalloc of dwc_otg_device failed\n"); -+ retval = -ENOMEM; -+ goto fail; -+ } -+ -+ otg_dev->reg_offset = 0xFFFFFFFF; -+ -+ /* -+ * Retrieve the memory and IRQ resources. -+ */ -+ otg_dev->irq = platform_get_irq(pdev, 0); -+ if (otg_dev->irq <= 0) { -+ dev_err(&pdev->dev, "no device irq\n"); -+ retval = -EINVAL; -+ goto fail; -+ } -+ -+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if (res == NULL) { -+ dev_err(&pdev->dev, "no CSR address\n"); -+ retval = -EINVAL; -+ goto fail; -+ } -+ -+ otg_dev->parent = &pdev->dev; -+ otg_dev->phys_addr = res->start; -+ otg_dev->base_len = res->end - res->start + 1; -+ if (request_mem_region(otg_dev->phys_addr, -+ otg_dev->base_len, -+ dwc_driver_name) == NULL) { -+ dev_err(&pdev->dev, "request_mem_region failed\n"); -+ retval = -EBUSY; -+ goto fail; -+ } -+ -+ /* -+ * Map the DWC_otg Core memory into virtual address space. -+ */ -+ otg_dev->base = ioremap(otg_dev->phys_addr, otg_dev->base_len); -+ if (!otg_dev->base) { -+ dev_err(&pdev->dev, "ioremap() failed\n"); -+ retval = -ENOMEM; -+ goto fail; -+ } -+ dev_dbg(&pdev->dev, "mapped base=0x%08x\n", (unsigned) otg_dev->base); -+ -+ /* Enable USB Port */ -+ dwc_write_reg32((uint32_t *)((uint8_t *)otg_dev->base + 0xe00), 0); -+ -+ /* -+ * Attempt to ensure this device is really a DWC_otg Controller. -+ * Read and verify the SNPSID register contents. The value should be -+ * 0x45F42XXX, which corresponds to "OT2", as in "OTG version 2.XX". -+ */ -+ snpsid = dwc_read_reg32((uint32_t *)((uint8_t *)otg_dev->base + 0x40)); -+ -+ if ((snpsid & 0xFFFFF000) != OTG_CORE_REV_2_00) { -+ dev_err(&pdev->dev, "Bad value for SNPSID: 0x%08x\n", snpsid); -+ retval = -EINVAL; -+ goto fail; -+ } -+ -+ DWC_PRINT("Core Release: %x.%x%x%x\n", -+ (snpsid >> 12 & 0xF), -+ (snpsid >> 8 & 0xF), -+ (snpsid >> 4 & 0xF), -+ (snpsid & 0xF)); -+ -+ /* -+ * Initialize driver data to point to the global DWC_otg -+ * Device structure. -+ */ -+ platform_set_drvdata(pdev, otg_dev); -+ dev_dbg(&pdev->dev, "dwc_otg_device=0x%p\n", otg_dev); -+ -+ -+ otg_dev->core_if = dwc_otg_cil_init(otg_dev->base, -+ &dwc_otg_module_params); -+ -+ otg_dev->core_if->snpsid = snpsid; -+ -+ if (!otg_dev->core_if) { -+ dev_err(&pdev->dev, "CIL initialization failed!\n"); -+ retval = -ENOMEM; -+ goto fail; -+ } -+ -+ /* -+ * Validate parameter values. -+ */ -+ if (check_parameters(otg_dev->core_if)) { -+ retval = -EINVAL; -+ goto fail; -+ } -+ -+ /* -+ * Create Device Attributes in sysfs -+ */ -+ dwc_otg_attr_create(&pdev->dev); -+ -+ /* -+ * Disable the global interrupt until all the interrupt -+ * handlers are installed. -+ */ -+ dwc_otg_disable_global_interrupts(otg_dev->core_if); -+ -+ /* -+ * Install the interrupt handler for the common interrupts before -+ * enabling common interrupts in core_init below. -+ */ -+ DWC_DEBUGPL(DBG_CIL, "registering (common) handler for irq%d\n", -+ otg_dev->irq); -+ retval = request_irq(otg_dev->irq, dwc_otg_common_irq, -+ IRQF_SHARED, "dwc_otg", otg_dev); -+ if (retval) { -+ DWC_ERROR("request of irq%d failed\n", otg_dev->irq); -+ retval = -EBUSY; -+ goto fail; -+ } else { -+ otg_dev->common_irq_installed = 1; -+ } -+ -+ /* -+ * Initialize the DWC_otg core. -+ */ -+ dwc_otg_core_init(otg_dev->core_if); -+ -+#ifndef DWC_HOST_ONLY -+ /* -+ * Initialize the PCD -+ */ -+ retval = dwc_otg_pcd_init(&pdev->dev); -+ if (retval != 0) { -+ DWC_ERROR("dwc_otg_pcd_init failed\n"); -+ otg_dev->pcd = NULL; -+ goto fail; -+ } -+#endif -+#ifndef DWC_DEVICE_ONLY -+ /* -+ * Initialize the HCD -+ */ -+ retval = dwc_otg_hcd_init(&pdev->dev); -+ if (retval != 0) { -+ DWC_ERROR("dwc_otg_hcd_init failed\n"); -+ otg_dev->hcd = NULL; -+ goto fail; -+ } -+#endif -+ -+ /* -+ * Enable the global interrupt after all the interrupt -+ * handlers are installed. -+ */ -+ dwc_otg_enable_global_interrupts(otg_dev->core_if); -+ -+ return 0; -+ -+ fail: -+ dwc_otg_driver_remove(pdev); -+ return retval; -+} -+ -+/** -+ * This structure defines the methods to be called by a bus driver -+ * during the lifecycle of a device on that bus. Both drivers and -+ * devices are registered with a bus driver. The bus driver matches -+ * devices to drivers based on information in the device and driver -+ * structures. -+ * -+ * The probe function is called when the bus driver matches a device -+ * to this driver. The remove function is called when a device is -+ * unregistered with the bus driver. -+ */ -+ -+static const struct of_device_id ralink_otg_match[] = { -+ { .compatible = "ralink,rt3050-otg" }, -+ {}, -+}; -+MODULE_DEVICE_TABLE(of, ralink_otg_match); -+ -+static struct platform_driver dwc_otg_driver = { -+ .driver = { -+ .name = (char *)dwc_driver_name, -+ .of_match_table = ralink_otg_match, -+ }, -+ .probe = dwc_otg_driver_probe, -+ .remove = dwc_otg_driver_remove, -+}; -+ -+/** -+ * This function is called when the dwc_otg_driver is installed with the -+ * insmod command. It registers the dwc_otg_driver structure with the -+ * appropriate bus driver. This will cause the dwc_otg_driver_probe function -+ * to be called. In addition, the bus driver will automatically expose -+ * attributes defined for the device and driver in the special sysfs file -+ * system. -+ * -+ * @return -+ */ -+static int __init dwc_otg_driver_init(void) -+{ -+ int retval = 0; -+ int error; -+ -+ printk(KERN_INFO "%s: version %s\n", dwc_driver_name, DWC_DRIVER_VERSION); -+ -+ retval = platform_driver_register(&dwc_otg_driver); -+ if (retval) { -+ printk(KERN_ERR "%s retval=%d\n", __func__, retval); -+ return retval; -+ } -+ -+ error = driver_create_file(&dwc_otg_driver.driver, &driver_attr_version); -+ error = driver_create_file(&dwc_otg_driver.driver, &driver_attr_debuglevel); -+ -+ return retval; -+} -+module_init(dwc_otg_driver_init); -+ -+/** -+ * This function is called when the driver is removed from the kernel -+ * with the rmmod command. The driver unregisters itself with its bus -+ * driver. -+ * -+ */ -+static void __exit dwc_otg_driver_cleanup(void) -+{ -+ printk(KERN_DEBUG "dwc_otg_driver_cleanup()\n"); -+ -+ driver_remove_file(&dwc_otg_driver.driver, &driver_attr_debuglevel); -+ driver_remove_file(&dwc_otg_driver.driver, &driver_attr_version); -+ -+ platform_driver_unregister(&dwc_otg_driver); -+ -+ printk(KERN_INFO "%s module removed\n", dwc_driver_name); -+} -+module_exit(dwc_otg_driver_cleanup); -+ -+MODULE_DESCRIPTION(DWC_DRIVER_DESC); -+MODULE_AUTHOR("Synopsys Inc."); -+MODULE_LICENSE("GPL"); -+ -+module_param_named(otg_cap, dwc_otg_module_params.otg_cap, int, 0444); -+MODULE_PARM_DESC(otg_cap, "OTG Capabilities 0=HNP&SRP 1=SRP Only 2=None"); -+module_param_named(opt, dwc_otg_module_params.opt, int, 0444); -+MODULE_PARM_DESC(opt, "OPT Mode"); -+module_param_named(dma_enable, dwc_otg_module_params.dma_enable, int, 0444); -+MODULE_PARM_DESC(dma_enable, "DMA Mode 0=Slave 1=DMA enabled"); -+ -+module_param_named(dma_desc_enable, dwc_otg_module_params.dma_desc_enable, int, 0444); -+MODULE_PARM_DESC(dma_desc_enable, "DMA Desc Mode 0=Address DMA 1=DMA Descriptor enabled"); -+ -+module_param_named(dma_burst_size, dwc_otg_module_params.dma_burst_size, int, 0444); -+MODULE_PARM_DESC(dma_burst_size, "DMA Burst Size 1, 4, 8, 16, 32, 64, 128, 256"); -+module_param_named(speed, dwc_otg_module_params.speed, int, 0444); -+MODULE_PARM_DESC(speed, "Speed 0=High Speed 1=Full Speed"); -+module_param_named(host_support_fs_ls_low_power, dwc_otg_module_params.host_support_fs_ls_low_power, int, 0444); -+MODULE_PARM_DESC(host_support_fs_ls_low_power, "Support Low Power w/FS or LS 0=Support 1=Don't Support"); -+module_param_named(host_ls_low_power_phy_clk, dwc_otg_module_params.host_ls_low_power_phy_clk, int, 0444); -+MODULE_PARM_DESC(host_ls_low_power_phy_clk, "Low Speed Low Power Clock 0=48Mhz 1=6Mhz"); -+module_param_named(enable_dynamic_fifo, dwc_otg_module_params.enable_dynamic_fifo, int, 0444); -+MODULE_PARM_DESC(enable_dynamic_fifo, "0=cC Setting 1=Allow Dynamic Sizing"); -+module_param_named(data_fifo_size, dwc_otg_module_params.data_fifo_size, int, 0444); -+MODULE_PARM_DESC(data_fifo_size, "Total number of words in the data FIFO memory 32-32768"); -+module_param_named(dev_rx_fifo_size, dwc_otg_module_params.dev_rx_fifo_size, int, 0444); -+MODULE_PARM_DESC(dev_rx_fifo_size, "Number of words in the Rx FIFO 16-32768"); -+module_param_named(dev_nperio_tx_fifo_size, dwc_otg_module_params.dev_nperio_tx_fifo_size, int, 0444); -+MODULE_PARM_DESC(dev_nperio_tx_fifo_size, "Number of words in the non-periodic Tx FIFO 16-32768"); -+module_param_named(dev_perio_tx_fifo_size_1, dwc_otg_module_params.dev_perio_tx_fifo_size[0], int, 0444); -+MODULE_PARM_DESC(dev_perio_tx_fifo_size_1, "Number of words in the periodic Tx FIFO 4-768"); -+module_param_named(dev_perio_tx_fifo_size_2, dwc_otg_module_params.dev_perio_tx_fifo_size[1], int, 0444); -+MODULE_PARM_DESC(dev_perio_tx_fifo_size_2, "Number of words in the periodic Tx FIFO 4-768"); -+module_param_named(dev_perio_tx_fifo_size_3, dwc_otg_module_params.dev_perio_tx_fifo_size[2], int, 0444); -+MODULE_PARM_DESC(dev_perio_tx_fifo_size_3, "Number of words in the periodic Tx FIFO 4-768"); -+module_param_named(dev_perio_tx_fifo_size_4, dwc_otg_module_params.dev_perio_tx_fifo_size[3], int, 0444); -+MODULE_PARM_DESC(dev_perio_tx_fifo_size_4, "Number of words in the periodic Tx FIFO 4-768"); -+module_param_named(dev_perio_tx_fifo_size_5, dwc_otg_module_params.dev_perio_tx_fifo_size[4], int, 0444); -+MODULE_PARM_DESC(dev_perio_tx_fifo_size_5, "Number of words in the periodic Tx FIFO 4-768"); -+module_param_named(dev_perio_tx_fifo_size_6, dwc_otg_module_params.dev_perio_tx_fifo_size[5], int, 0444); -+MODULE_PARM_DESC(dev_perio_tx_fifo_size_6, "Number of words in the periodic Tx FIFO 4-768"); -+module_param_named(dev_perio_tx_fifo_size_7, dwc_otg_module_params.dev_perio_tx_fifo_size[6], int, 0444); -+MODULE_PARM_DESC(dev_perio_tx_fifo_size_7, "Number of words in the periodic Tx FIFO 4-768"); -+module_param_named(dev_perio_tx_fifo_size_8, dwc_otg_module_params.dev_perio_tx_fifo_size[7], int, 0444); -+MODULE_PARM_DESC(dev_perio_tx_fifo_size_8, "Number of words in the periodic Tx FIFO 4-768"); -+module_param_named(dev_perio_tx_fifo_size_9, dwc_otg_module_params.dev_perio_tx_fifo_size[8], int, 0444); -+MODULE_PARM_DESC(dev_perio_tx_fifo_size_9, "Number of words in the periodic Tx FIFO 4-768"); -+module_param_named(dev_perio_tx_fifo_size_10, dwc_otg_module_params.dev_perio_tx_fifo_size[9], int, 0444); -+MODULE_PARM_DESC(dev_perio_tx_fifo_size_10, "Number of words in the periodic Tx FIFO 4-768"); -+module_param_named(dev_perio_tx_fifo_size_11, dwc_otg_module_params.dev_perio_tx_fifo_size[10], int, 0444); -+MODULE_PARM_DESC(dev_perio_tx_fifo_size_11, "Number of words in the periodic Tx FIFO 4-768"); -+module_param_named(dev_perio_tx_fifo_size_12, dwc_otg_module_params.dev_perio_tx_fifo_size[11], int, 0444); -+MODULE_PARM_DESC(dev_perio_tx_fifo_size_12, "Number of words in the periodic Tx FIFO 4-768"); -+module_param_named(dev_perio_tx_fifo_size_13, dwc_otg_module_params.dev_perio_tx_fifo_size[12], int, 0444); -+MODULE_PARM_DESC(dev_perio_tx_fifo_size_13, "Number of words in the periodic Tx FIFO 4-768"); -+module_param_named(dev_perio_tx_fifo_size_14, dwc_otg_module_params.dev_perio_tx_fifo_size[13], int, 0444); -+MODULE_PARM_DESC(dev_perio_tx_fifo_size_14, "Number of words in the periodic Tx FIFO 4-768"); -+module_param_named(dev_perio_tx_fifo_size_15, dwc_otg_module_params.dev_perio_tx_fifo_size[14], int, 0444); -+MODULE_PARM_DESC(dev_perio_tx_fifo_size_15, "Number of words in the periodic Tx FIFO 4-768"); -+module_param_named(host_rx_fifo_size, dwc_otg_module_params.host_rx_fifo_size, int, 0444); -+MODULE_PARM_DESC(host_rx_fifo_size, "Number of words in the Rx FIFO 16-32768"); -+module_param_named(host_nperio_tx_fifo_size, dwc_otg_module_params.host_nperio_tx_fifo_size, int, 0444); -+MODULE_PARM_DESC(host_nperio_tx_fifo_size, "Number of words in the non-periodic Tx FIFO 16-32768"); -+module_param_named(host_perio_tx_fifo_size, dwc_otg_module_params.host_perio_tx_fifo_size, int, 0444); -+MODULE_PARM_DESC(host_perio_tx_fifo_size, "Number of words in the host periodic Tx FIFO 16-32768"); -+module_param_named(max_transfer_size, dwc_otg_module_params.max_transfer_size, int, 0444); -+/** @todo Set the max to 512K, modify checks */ -+MODULE_PARM_DESC(max_transfer_size, "The maximum transfer size supported in bytes 2047-65535"); -+module_param_named(max_packet_count, dwc_otg_module_params.max_packet_count, int, 0444); -+MODULE_PARM_DESC(max_packet_count, "The maximum number of packets in a transfer 15-511"); -+module_param_named(host_channels, dwc_otg_module_params.host_channels, int, 0444); -+MODULE_PARM_DESC(host_channels, "The number of host channel registers to use 1-16"); -+module_param_named(dev_endpoints, dwc_otg_module_params.dev_endpoints, int, 0444); -+MODULE_PARM_DESC(dev_endpoints, "The number of endpoints in addition to EP0 available for device mode 1-15"); -+module_param_named(phy_type, dwc_otg_module_params.phy_type, int, 0444); -+MODULE_PARM_DESC(phy_type, "0=Reserved 1=UTMI+ 2=ULPI"); -+module_param_named(phy_utmi_width, dwc_otg_module_params.phy_utmi_width, int, 0444); -+MODULE_PARM_DESC(phy_utmi_width, "Specifies the UTMI+ Data Width 8 or 16 bits"); -+module_param_named(phy_ulpi_ddr, dwc_otg_module_params.phy_ulpi_ddr, int, 0444); -+MODULE_PARM_DESC(phy_ulpi_ddr, "ULPI at double or single data rate 0=Single 1=Double"); -+module_param_named(phy_ulpi_ext_vbus, dwc_otg_module_params.phy_ulpi_ext_vbus, int, 0444); -+MODULE_PARM_DESC(phy_ulpi_ext_vbus, "ULPI PHY using internal or external vbus 0=Internal"); -+module_param_named(i2c_enable, dwc_otg_module_params.i2c_enable, int, 0444); -+MODULE_PARM_DESC(i2c_enable, "FS PHY Interface"); -+module_param_named(ulpi_fs_ls, dwc_otg_module_params.ulpi_fs_ls, int, 0444); -+MODULE_PARM_DESC(ulpi_fs_ls, "ULPI PHY FS/LS mode only"); -+module_param_named(ts_dline, dwc_otg_module_params.ts_dline, int, 0444); -+MODULE_PARM_DESC(ts_dline, "Term select Dline pulsing for all PHYs"); -+module_param_named(debug, g_dbg_lvl, int, 0444); -+MODULE_PARM_DESC(debug, ""); -+ -+module_param_named(en_multiple_tx_fifo, dwc_otg_module_params.en_multiple_tx_fifo, int, 0444); -+MODULE_PARM_DESC(en_multiple_tx_fifo, "Dedicated Non Periodic Tx FIFOs 0=disabled 1=enabled"); -+module_param_named(dev_tx_fifo_size_1, dwc_otg_module_params.dev_tx_fifo_size[0], int, 0444); -+MODULE_PARM_DESC(dev_tx_fifo_size_1, "Number of words in the Tx FIFO 4-768"); -+module_param_named(dev_tx_fifo_size_2, dwc_otg_module_params.dev_tx_fifo_size[1], int, 0444); -+MODULE_PARM_DESC(dev_tx_fifo_size_2, "Number of words in the Tx FIFO 4-768"); -+module_param_named(dev_tx_fifo_size_3, dwc_otg_module_params.dev_tx_fifo_size[2], int, 0444); -+MODULE_PARM_DESC(dev_tx_fifo_size_3, "Number of words in the Tx FIFO 4-768"); -+module_param_named(dev_tx_fifo_size_4, dwc_otg_module_params.dev_tx_fifo_size[3], int, 0444); -+MODULE_PARM_DESC(dev_tx_fifo_size_4, "Number of words in the Tx FIFO 4-768"); -+module_param_named(dev_tx_fifo_size_5, dwc_otg_module_params.dev_tx_fifo_size[4], int, 0444); -+MODULE_PARM_DESC(dev_tx_fifo_size_5, "Number of words in the Tx FIFO 4-768"); -+module_param_named(dev_tx_fifo_size_6, dwc_otg_module_params.dev_tx_fifo_size[5], int, 0444); -+MODULE_PARM_DESC(dev_tx_fifo_size_6, "Number of words in the Tx FIFO 4-768"); -+module_param_named(dev_tx_fifo_size_7, dwc_otg_module_params.dev_tx_fifo_size[6], int, 0444); -+MODULE_PARM_DESC(dev_tx_fifo_size_7, "Number of words in the Tx FIFO 4-768"); -+module_param_named(dev_tx_fifo_size_8, dwc_otg_module_params.dev_tx_fifo_size[7], int, 0444); -+MODULE_PARM_DESC(dev_tx_fifo_size_8, "Number of words in the Tx FIFO 4-768"); -+module_param_named(dev_tx_fifo_size_9, dwc_otg_module_params.dev_tx_fifo_size[8], int, 0444); -+MODULE_PARM_DESC(dev_tx_fifo_size_9, "Number of words in the Tx FIFO 4-768"); -+module_param_named(dev_tx_fifo_size_10, dwc_otg_module_params.dev_tx_fifo_size[9], int, 0444); -+MODULE_PARM_DESC(dev_tx_fifo_size_10, "Number of words in the Tx FIFO 4-768"); -+module_param_named(dev_tx_fifo_size_11, dwc_otg_module_params.dev_tx_fifo_size[10], int, 0444); -+MODULE_PARM_DESC(dev_tx_fifo_size_11, "Number of words in the Tx FIFO 4-768"); -+module_param_named(dev_tx_fifo_size_12, dwc_otg_module_params.dev_tx_fifo_size[11], int, 0444); -+MODULE_PARM_DESC(dev_tx_fifo_size_12, "Number of words in the Tx FIFO 4-768"); -+module_param_named(dev_tx_fifo_size_13, dwc_otg_module_params.dev_tx_fifo_size[12], int, 0444); -+MODULE_PARM_DESC(dev_tx_fifo_size_13, "Number of words in the Tx FIFO 4-768"); -+module_param_named(dev_tx_fifo_size_14, dwc_otg_module_params.dev_tx_fifo_size[13], int, 0444); -+MODULE_PARM_DESC(dev_tx_fifo_size_14, "Number of words in the Tx FIFO 4-768"); -+module_param_named(dev_tx_fifo_size_15, dwc_otg_module_params.dev_tx_fifo_size[14], int, 0444); -+MODULE_PARM_DESC(dev_tx_fifo_size_15, "Number of words in the Tx FIFO 4-768"); -+ -+module_param_named(thr_ctl, dwc_otg_module_params.thr_ctl, int, 0444); -+MODULE_PARM_DESC(thr_ctl, "Thresholding enable flag bit 0 - non ISO Tx thr., 1 - ISO Tx thr., 2 - Rx thr.- bit 0=disabled 1=enabled"); -+module_param_named(tx_thr_length, dwc_otg_module_params.tx_thr_length, int, 0444); -+MODULE_PARM_DESC(tx_thr_length, "Tx Threshold length in 32 bit DWORDs"); -+module_param_named(rx_thr_length, dwc_otg_module_params.rx_thr_length, int, 0444); -+MODULE_PARM_DESC(rx_thr_length, "Rx Threshold length in 32 bit DWORDs"); -+ -+module_param_named(pti_enable, dwc_otg_module_params.pti_enable, int, 0444); -+MODULE_PARM_DESC(pti_enable, "Per Transfer Interrupt mode 0=disabled 1=enabled"); -+ -+module_param_named(mpi_enable, dwc_otg_module_params.mpi_enable, int, 0444); -+MODULE_PARM_DESC(mpi_enable, "Multiprocessor Interrupt mode 0=disabled 1=enabled"); -+ -+/** @page "Module Parameters" -+ * -+ * The following parameters may be specified when starting the module. -+ * These parameters define how the DWC_otg controller should be -+ * configured. Parameter values are passed to the CIL initialization -+ * function dwc_otg_cil_init -+ * -+ * Example: <code>modprobe dwc_otg speed=1 otg_cap=1</code> -+ * -+ -+ <table> -+ <tr><td>Parameter Name</td><td>Meaning</td></tr> -+ -+ <tr> -+ <td>otg_cap</td> -+ <td>Specifies the OTG capabilities. The driver will automatically detect the -+ value for this parameter if none is specified. -+ - 0: HNP and SRP capable (default, if available) -+ - 1: SRP Only capable -+ - 2: No HNP/SRP capable -+ </td></tr> -+ -+ <tr> -+ <td>dma_enable</td> -+ <td>Specifies whether to use slave or DMA mode for accessing the data FIFOs. -+ The driver will automatically detect the value for this parameter if none is -+ specified. -+ - 0: Slave -+ - 1: DMA (default, if available) -+ </td></tr> -+ -+ <tr> -+ <td>dma_burst_size</td> -+ <td>The DMA Burst size (applicable only for External DMA Mode). -+ - Values: 1, 4, 8 16, 32, 64, 128, 256 (default 32) -+ </td></tr> -+ -+ <tr> -+ <td>speed</td> -+ <td>Specifies the maximum speed of operation in host and device mode. The -+ actual speed depends on the speed of the attached device and the value of -+ phy_type. -+ - 0: High Speed (default) -+ - 1: Full Speed -+ </td></tr> -+ -+ <tr> -+ <td>host_support_fs_ls_low_power</td> -+ <td>Specifies whether low power mode is supported when attached to a Full -+ Speed or Low Speed device in host mode. -+ - 0: Don't support low power mode (default) -+ - 1: Support low power mode -+ </td></tr> -+ -+ <tr> -+ <td>host_ls_low_power_phy_clk</td> -+ <td>Specifies the PHY clock rate in low power mode when connected to a Low -+ Speed device in host mode. This parameter is applicable only if -+ HOST_SUPPORT_FS_LS_LOW_POWER is enabled. -+ - 0: 48 MHz (default) -+ - 1: 6 MHz -+ </td></tr> -+ -+ <tr> -+ <td>enable_dynamic_fifo</td> -+ <td> Specifies whether FIFOs may be resized by the driver software. -+ - 0: Use cC FIFO size parameters -+ - 1: Allow dynamic FIFO sizing (default) -+ </td></tr> -+ -+ <tr> -+ <td>data_fifo_size</td> -+ <td>Total number of 4-byte words in the data FIFO memory. This memory -+ includes the Rx FIFO, non-periodic Tx FIFO, and periodic Tx FIFOs. -+ - Values: 32 to 32768 (default 8192) -+ -+ Note: The total FIFO memory depth in the FPGA configuration is 8192. -+ </td></tr> -+ -+ <tr> -+ <td>dev_rx_fifo_size</td> -+ <td>Number of 4-byte words in the Rx FIFO in device mode when dynamic -+ FIFO sizing is enabled. -+ - Values: 16 to 32768 (default 1064) -+ </td></tr> -+ -+ <tr> -+ <td>dev_nperio_tx_fifo_size</td> -+ <td>Number of 4-byte words in the non-periodic Tx FIFO in device mode when -+ dynamic FIFO sizing is enabled. -+ - Values: 16 to 32768 (default 1024) -+ </td></tr> -+ -+ <tr> -+ <td>dev_perio_tx_fifo_size_n (n = 1 to 15)</td> -+ <td>Number of 4-byte words in each of the periodic Tx FIFOs in device mode -+ when dynamic FIFO sizing is enabled. -+ - Values: 4 to 768 (default 256) -+ </td></tr> -+ -+ <tr> -+ <td>host_rx_fifo_size</td> -+ <td>Number of 4-byte words in the Rx FIFO in host mode when dynamic FIFO -+ sizing is enabled. -+ - Values: 16 to 32768 (default 1024) -+ </td></tr> -+ -+ <tr> -+ <td>host_nperio_tx_fifo_size</td> -+ <td>Number of 4-byte words in the non-periodic Tx FIFO in host mode when -+ dynamic FIFO sizing is enabled in the core. -+ - Values: 16 to 32768 (default 1024) -+ </td></tr> -+ -+ <tr> -+ <td>host_perio_tx_fifo_size</td> -+ <td>Number of 4-byte words in the host periodic Tx FIFO when dynamic FIFO -+ sizing is enabled. -+ - Values: 16 to 32768 (default 1024) -+ </td></tr> -+ -+ <tr> -+ <td>max_transfer_size</td> -+ <td>The maximum transfer size supported in bytes. -+ - Values: 2047 to 65,535 (default 65,535) -+ </td></tr> -+ -+ <tr> -+ <td>max_packet_count</td> -+ <td>The maximum number of packets in a transfer. -+ - Values: 15 to 511 (default 511) -+ </td></tr> -+ -+ <tr> -+ <td>host_channels</td> -+ <td>The number of host channel registers to use. -+ - Values: 1 to 16 (default 12) -+ -+ Note: The FPGA configuration supports a maximum of 12 host channels. -+ </td></tr> -+ -+ <tr> -+ <td>dev_endpoints</td> -+ <td>The number of endpoints in addition to EP0 available for device mode -+ operations. -+ - Values: 1 to 15 (default 6 IN and OUT) -+ -+ Note: The FPGA configuration supports a maximum of 6 IN and OUT endpoints in -+ addition to EP0. -+ </td></tr> -+ -+ <tr> -+ <td>phy_type</td> -+ <td>Specifies the type of PHY interface to use. By default, the driver will -+ automatically detect the phy_type. -+ - 0: Full Speed -+ - 1: UTMI+ (default, if available) -+ - 2: ULPI -+ </td></tr> -+ -+ <tr> -+ <td>phy_utmi_width</td> -+ <td>Specifies the UTMI+ Data Width. This parameter is applicable for a -+ phy_type of UTMI+. Also, this parameter is applicable only if the -+ OTG_HSPHY_WIDTH cC parameter was set to "8 and 16 bits", meaning that the -+ core has been configured to work at either data path width. -+ - Values: 8 or 16 bits (default 16) -+ </td></tr> -+ -+ <tr> -+ <td>phy_ulpi_ddr</td> -+ <td>Specifies whether the ULPI operates at double or single data rate. This -+ parameter is only applicable if phy_type is ULPI. -+ - 0: single data rate ULPI interface with 8 bit wide data bus (default) -+ - 1: double data rate ULPI interface with 4 bit wide data bus -+ </td></tr> -+ -+ <tr> -+ <td>i2c_enable</td> -+ <td>Specifies whether to use the I2C interface for full speed PHY. This -+ parameter is only applicable if PHY_TYPE is FS. -+ - 0: Disabled (default) -+ - 1: Enabled -+ </td></tr> -+ -+ <tr> -+ <td>otg_en_multiple_tx_fifo</td> -+ <td>Specifies whether dedicatedto tx fifos are enabled for non periodic IN EPs. -+ The driver will automatically detect the value for this parameter if none is -+ specified. -+ - 0: Disabled -+ - 1: Enabled (default, if available) -+ </td></tr> -+ -+ <tr> -+ <td>dev_tx_fifo_size_n (n = 1 to 15)</td> -+ <td>Number of 4-byte words in each of the Tx FIFOs in device mode -+ when dynamic FIFO sizing is enabled. -+ - Values: 4 to 768 (default 256) -+ </td></tr> -+ -+*/ ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_driver.h -@@ -0,0 +1,83 @@ -+/* ========================================================================== -+ * $File: //dwh/usb_iip/dev/software/otg/linux/drivers/dwc_otg_driver.h $ -+ * $Revision: 1.2 $ -+ * $Date: 2008-11-21 05:39:15 $ -+ * $Change: 1064918 $ -+ * -+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, -+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless -+ * otherwise expressly agreed to in writing between Synopsys and you. -+ * -+ * The Software IS NOT an item of Licensed Software or Licensed Product under -+ * any End User Software License Agreement or Agreement for Licensed Product -+ * with Synopsys or any supplement thereto. You are permitted to use and -+ * redistribute this Software in source and binary forms, with or without -+ * modification, provided that redistributions of source code must retain this -+ * notice. You may not view, use, disclose, copy or distribute this file or -+ * any information contained herein except pursuant to this license grant from -+ * Synopsys. If you do not agree with this notice, including the disclaimer -+ * below, then you are not authorized to use the Software. -+ * -+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS -+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, -+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH -+ * DAMAGE. -+ * ========================================================================== */ -+ -+#ifndef __DWC_OTG_DRIVER_H__ -+#define __DWC_OTG_DRIVER_H__ -+ -+/** @file -+ * This file contains the interface to the Linux driver. -+ */ -+#include "dwc_otg_cil.h" -+ -+/* Type declarations */ -+struct dwc_otg_pcd; -+struct dwc_otg_hcd; -+ -+/** -+ * This structure is a wrapper that encapsulates the driver components used to -+ * manage a single DWC_otg controller. -+ */ -+typedef struct dwc_otg_device { -+ /** Base address returned from ioremap() */ -+ void *base; -+ -+ struct device *parent; -+ -+ /** Pointer to the core interface structure. */ -+ dwc_otg_core_if_t *core_if; -+ -+ /** Register offset for Diagnostic API. */ -+ uint32_t reg_offset; -+ -+ /** Pointer to the PCD structure. */ -+ struct dwc_otg_pcd *pcd; -+ -+ /** Pointer to the HCD structure. */ -+ struct dwc_otg_hcd *hcd; -+ -+ /** Flag to indicate whether the common IRQ handler is installed. */ -+ uint8_t common_irq_installed; -+ -+ /* Interrupt request number. */ -+ unsigned int irq; -+ -+ /* Physical address of Control and Status registers, used by -+ * release_mem_region(). -+ */ -+ resource_size_t phys_addr; -+ -+ /* Length of memory region, used by release_mem_region(). */ -+ unsigned long base_len; -+} dwc_otg_device_t; -+ -+#endif ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_hcd.c -@@ -0,0 +1,2852 @@ -+/* ========================================================================== -+ * $File: //dwh/usb_iip/dev/software/otg/linux/drivers/dwc_otg_hcd.c $ -+ * $Revision: 1.4 $ -+ * $Date: 2008-11-21 05:39:15 $ -+ * $Change: 1064940 $ -+ * -+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, -+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless -+ * otherwise expressly agreed to in writing between Synopsys and you. -+ * -+ * The Software IS NOT an item of Licensed Software or Licensed Product under -+ * any End User Software License Agreement or Agreement for Licensed Product -+ * with Synopsys or any supplement thereto. You are permitted to use and -+ * redistribute this Software in source and binary forms, with or without -+ * modification, provided that redistributions of source code must retain this -+ * notice. You may not view, use, disclose, copy or distribute this file or -+ * any information contained herein except pursuant to this license grant from -+ * Synopsys. If you do not agree with this notice, including the disclaimer -+ * below, then you are not authorized to use the Software. -+ * -+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS -+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, -+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH -+ * DAMAGE. -+ * ========================================================================== */ -+#ifndef DWC_DEVICE_ONLY -+ -+/** -+ * @file -+ * -+ * This file contains the implementation of the HCD. In Linux, the HCD -+ * implements the hc_driver API. -+ */ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/init.h> -+#include <linux/device.h> -+#include <linux/errno.h> -+#include <linux/list.h> -+#include <linux/interrupt.h> -+#include <linux/string.h> -+#include <linux/dma-mapping.h> -+#include <linux/version.h> -+ -+#include "dwc_otg_driver.h" -+#include "dwc_otg_hcd.h" -+#include "dwc_otg_regs.h" -+ -+static const char dwc_otg_hcd_name[] = "dwc_otg"; -+ -+static const struct hc_driver dwc_otg_hc_driver = { -+ -+ .description = dwc_otg_hcd_name, -+ .product_desc = "DWC OTG Controller", -+ .hcd_priv_size = sizeof(dwc_otg_hcd_t), -+ -+ .irq = dwc_otg_hcd_irq, -+ -+ .flags = HCD_MEMORY | HCD_USB2, -+ -+ //.reset = -+ .start = dwc_otg_hcd_start, -+ //.suspend = -+ //.resume = -+ .stop = dwc_otg_hcd_stop, -+ -+ .urb_enqueue = dwc_otg_hcd_urb_enqueue, -+ .urb_dequeue = dwc_otg_hcd_urb_dequeue, -+ .endpoint_disable = dwc_otg_hcd_endpoint_disable, -+ -+ .get_frame_number = dwc_otg_hcd_get_frame_number, -+ -+ .hub_status_data = dwc_otg_hcd_hub_status_data, -+ .hub_control = dwc_otg_hcd_hub_control, -+ //.hub_suspend = -+ //.hub_resume = -+}; -+ -+/** -+ * Work queue function for starting the HCD when A-Cable is connected. -+ * The dwc_otg_hcd_start() must be called in a process context. -+ */ -+static void hcd_start_func( -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) -+ void *_vp -+#else -+ struct work_struct *_work -+#endif -+ ) -+{ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) -+ struct usb_hcd *usb_hcd = (struct usb_hcd *)_vp; -+#else -+ struct delayed_work *dw = container_of(_work, struct delayed_work, work); -+ struct dwc_otg_hcd *otg_hcd = container_of(dw, struct dwc_otg_hcd, start_work); -+ struct usb_hcd *usb_hcd = container_of((void *)otg_hcd, struct usb_hcd, hcd_priv); -+#endif -+ DWC_DEBUGPL(DBG_HCDV, "%s() %p\n", __func__, usb_hcd); -+ if (usb_hcd) { -+ dwc_otg_hcd_start(usb_hcd); -+ } -+} -+ -+/** -+ * HCD Callback function for starting the HCD when A-Cable is -+ * connected. -+ * -+ * @param p void pointer to the <code>struct usb_hcd</code> -+ */ -+static int32_t dwc_otg_hcd_start_cb(void *p) -+{ -+ dwc_otg_hcd_t *dwc_otg_hcd = hcd_to_dwc_otg_hcd(p); -+ dwc_otg_core_if_t *core_if = dwc_otg_hcd->core_if; -+ hprt0_data_t hprt0; -+ -+ if (core_if->op_state == B_HOST) { -+ /* -+ * Reset the port. During a HNP mode switch the reset -+ * needs to occur within 1ms and have a duration of at -+ * least 50ms. -+ */ -+ hprt0.d32 = dwc_otg_read_hprt0(core_if); -+ hprt0.b.prtrst = 1; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ ((struct usb_hcd *)p)->self.is_b_host = 1; -+ } else { -+ ((struct usb_hcd *)p)->self.is_b_host = 0; -+ } -+ -+ /* Need to start the HCD in a non-interrupt context. */ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) -+ INIT_WORK(&dwc_otg_hcd->start_work, hcd_start_func, p); -+// INIT_DELAYED_WORK(&dwc_otg_hcd->start_work, hcd_start_func, p); -+#else -+// INIT_WORK(&dwc_otg_hcd->start_work, hcd_start_func); -+ INIT_DELAYED_WORK(&dwc_otg_hcd->start_work, hcd_start_func); -+#endif -+// schedule_work(&dwc_otg_hcd->start_work); -+ queue_delayed_work(core_if->wq_otg, &dwc_otg_hcd->start_work, 50 * HZ / 1000); -+ -+ return 1; -+} -+ -+/** -+ * HCD Callback function for stopping the HCD. -+ * -+ * @param p void pointer to the <code>struct usb_hcd</code> -+ */ -+static int32_t dwc_otg_hcd_stop_cb(void *p) -+{ -+ struct usb_hcd *usb_hcd = (struct usb_hcd *)p; -+ DWC_DEBUGPL(DBG_HCDV, "%s(%p)\n", __func__, p); -+ dwc_otg_hcd_stop(usb_hcd); -+ return 1; -+} -+ -+static void del_xfer_timers(dwc_otg_hcd_t *hcd) -+{ -+#ifdef DEBUG -+ int i; -+ int num_channels = hcd->core_if->core_params->host_channels; -+ for (i = 0; i < num_channels; i++) { -+ del_timer(&hcd->core_if->hc_xfer_timer[i]); -+ } -+#endif -+} -+ -+static void del_timers(dwc_otg_hcd_t *hcd) -+{ -+ del_xfer_timers(hcd); -+ del_timer(&hcd->conn_timer); -+} -+ -+/** -+ * Processes all the URBs in a single list of QHs. Completes them with -+ * -ETIMEDOUT and frees the QTD. -+ */ -+static void kill_urbs_in_qh_list(dwc_otg_hcd_t *hcd, struct list_head *qh_list) -+{ -+ struct list_head *qh_item; -+ dwc_otg_qh_t *qh; -+ struct list_head *qtd_item; -+ dwc_otg_qtd_t *qtd; -+ -+ list_for_each(qh_item, qh_list) { -+ qh = list_entry(qh_item, dwc_otg_qh_t, qh_list_entry); -+ for (qtd_item = qh->qtd_list.next; -+ qtd_item != &qh->qtd_list; -+ qtd_item = qh->qtd_list.next) { -+ qtd = list_entry(qtd_item, dwc_otg_qtd_t, qtd_list_entry); -+ if (qtd->urb != NULL) { -+ dwc_otg_hcd_complete_urb(hcd, qtd->urb, -+ -ETIMEDOUT); -+ } -+ dwc_otg_hcd_qtd_remove_and_free(hcd, qtd); -+ } -+ } -+} -+ -+/** -+ * Responds with an error status of ETIMEDOUT to all URBs in the non-periodic -+ * and periodic schedules. The QTD associated with each URB is removed from -+ * the schedule and freed. This function may be called when a disconnect is -+ * detected or when the HCD is being stopped. -+ */ -+static void kill_all_urbs(dwc_otg_hcd_t *hcd) -+{ -+ kill_urbs_in_qh_list(hcd, &hcd->non_periodic_sched_inactive); -+ kill_urbs_in_qh_list(hcd, &hcd->non_periodic_sched_active); -+ kill_urbs_in_qh_list(hcd, &hcd->periodic_sched_inactive); -+ kill_urbs_in_qh_list(hcd, &hcd->periodic_sched_ready); -+ kill_urbs_in_qh_list(hcd, &hcd->periodic_sched_assigned); -+ kill_urbs_in_qh_list(hcd, &hcd->periodic_sched_queued); -+} -+ -+/** -+ * HCD Callback function for disconnect of the HCD. -+ * -+ * @param p void pointer to the <code>struct usb_hcd</code> -+ */ -+static int32_t dwc_otg_hcd_disconnect_cb(void *p) -+{ -+ gintsts_data_t intr; -+ dwc_otg_hcd_t *dwc_otg_hcd = hcd_to_dwc_otg_hcd(p); -+ -+ //DWC_DEBUGPL(DBG_HCDV, "%s(%p)\n", __func__, p); -+ -+ /* -+ * Set status flags for the hub driver. -+ */ -+ dwc_otg_hcd->flags.b.port_connect_status_change = 1; -+ dwc_otg_hcd->flags.b.port_connect_status = 0; -+ -+ /* -+ * Shutdown any transfers in process by clearing the Tx FIFO Empty -+ * interrupt mask and status bits and disabling subsequent host -+ * channel interrupts. -+ */ -+ intr.d32 = 0; -+ intr.b.nptxfempty = 1; -+ intr.b.ptxfempty = 1; -+ intr.b.hcintr = 1; -+ dwc_modify_reg32(&dwc_otg_hcd->core_if->core_global_regs->gintmsk, intr.d32, 0); -+ dwc_modify_reg32(&dwc_otg_hcd->core_if->core_global_regs->gintsts, intr.d32, 0); -+ -+ del_timers(dwc_otg_hcd); -+ -+ /* -+ * Turn off the vbus power only if the core has transitioned to device -+ * mode. If still in host mode, need to keep power on to detect a -+ * reconnection. -+ */ -+ if (dwc_otg_is_device_mode(dwc_otg_hcd->core_if)) { -+ if (dwc_otg_hcd->core_if->op_state != A_SUSPEND) { -+ hprt0_data_t hprt0 = { .d32=0 }; -+ DWC_PRINT("Disconnect: PortPower off\n"); -+ hprt0.b.prtpwr = 0; -+ dwc_write_reg32(dwc_otg_hcd->core_if->host_if->hprt0, hprt0.d32); -+ } -+ -+ dwc_otg_disable_host_interrupts(dwc_otg_hcd->core_if); -+ } -+ -+ /* Respond with an error status to all URBs in the schedule. */ -+ kill_all_urbs(dwc_otg_hcd); -+ -+ if (dwc_otg_is_host_mode(dwc_otg_hcd->core_if)) { -+ /* Clean up any host channels that were in use. */ -+ int num_channels; -+ int i; -+ dwc_hc_t *channel; -+ dwc_otg_hc_regs_t *hc_regs; -+ hcchar_data_t hcchar; -+ -+ num_channels = dwc_otg_hcd->core_if->core_params->host_channels; -+ -+ if (!dwc_otg_hcd->core_if->dma_enable) { -+ /* Flush out any channel requests in slave mode. */ -+ for (i = 0; i < num_channels; i++) { -+ channel = dwc_otg_hcd->hc_ptr_array[i]; -+ if (list_empty(&channel->hc_list_entry)) { -+ hc_regs = dwc_otg_hcd->core_if->host_if->hc_regs[i]; -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ if (hcchar.b.chen) { -+ hcchar.b.chen = 0; -+ hcchar.b.chdis = 1; -+ hcchar.b.epdir = 0; -+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32); -+ } -+ } -+ } -+ } -+ -+ for (i = 0; i < num_channels; i++) { -+ channel = dwc_otg_hcd->hc_ptr_array[i]; -+ if (list_empty(&channel->hc_list_entry)) { -+ hc_regs = dwc_otg_hcd->core_if->host_if->hc_regs[i]; -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ if (hcchar.b.chen) { -+ /* Halt the channel. */ -+ hcchar.b.chdis = 1; -+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32); -+ } -+ -+ dwc_otg_hc_cleanup(dwc_otg_hcd->core_if, channel); -+ list_add_tail(&channel->hc_list_entry, -+ &dwc_otg_hcd->free_hc_list); -+ } -+ } -+ } -+ -+ /* A disconnect will end the session so the B-Device is no -+ * longer a B-host. */ -+ ((struct usb_hcd *)p)->self.is_b_host = 0; -+ return 1; -+} -+ -+/** -+ * Connection timeout function. An OTG host is required to display a -+ * message if the device does not connect within 10 seconds. -+ */ -+void dwc_otg_hcd_connect_timeout(unsigned long ptr) -+{ -+ DWC_DEBUGPL(DBG_HCDV, "%s(%x)\n", __func__, (int)ptr); -+ DWC_PRINT("Connect Timeout\n"); -+ DWC_ERROR("Device Not Connected/Responding\n"); -+} -+ -+/** -+ * Start the connection timer. An OTG host is required to display a -+ * message if the device does not connect within 10 seconds. The -+ * timer is deleted if a port connect interrupt occurs before the -+ * timer expires. -+ */ -+static void dwc_otg_hcd_start_connect_timer(dwc_otg_hcd_t *hcd) -+{ -+ init_timer(&hcd->conn_timer); -+ hcd->conn_timer.function = dwc_otg_hcd_connect_timeout; -+ hcd->conn_timer.data = 0; -+ hcd->conn_timer.expires = jiffies + (HZ * 10); -+ add_timer(&hcd->conn_timer); -+} -+ -+/** -+ * HCD Callback function for disconnect of the HCD. -+ * -+ * @param p void pointer to the <code>struct usb_hcd</code> -+ */ -+static int32_t dwc_otg_hcd_session_start_cb(void *p) -+{ -+ dwc_otg_hcd_t *dwc_otg_hcd = hcd_to_dwc_otg_hcd(p); -+ DWC_DEBUGPL(DBG_HCDV, "%s(%p)\n", __func__, p); -+ dwc_otg_hcd_start_connect_timer(dwc_otg_hcd); -+ return 1; -+} -+ -+/** -+ * HCD Callback structure for handling mode switching. -+ */ -+static dwc_otg_cil_callbacks_t hcd_cil_callbacks = { -+ .start = dwc_otg_hcd_start_cb, -+ .stop = dwc_otg_hcd_stop_cb, -+ .disconnect = dwc_otg_hcd_disconnect_cb, -+ .session_start = dwc_otg_hcd_session_start_cb, -+ .p = 0, -+}; -+ -+/** -+ * Reset tasklet function -+ */ -+static void reset_tasklet_func(unsigned long data) -+{ -+ dwc_otg_hcd_t *dwc_otg_hcd = (dwc_otg_hcd_t *)data; -+ dwc_otg_core_if_t *core_if = dwc_otg_hcd->core_if; -+ hprt0_data_t hprt0; -+ -+ DWC_DEBUGPL(DBG_HCDV, "USB RESET tasklet called\n"); -+ -+ hprt0.d32 = dwc_otg_read_hprt0(core_if); -+ hprt0.b.prtrst = 1; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ mdelay(60); -+ -+ hprt0.b.prtrst = 0; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ dwc_otg_hcd->flags.b.port_reset_change = 1; -+} -+ -+static struct tasklet_struct reset_tasklet = { -+ .next = NULL, -+ .state = 0, -+ .count = ATOMIC_INIT(0), -+ .func = reset_tasklet_func, -+ .data = 0, -+}; -+ -+/** -+ * Initializes the HCD. This function allocates memory for and initializes the -+ * static parts of the usb_hcd and dwc_otg_hcd structures. It also registers the -+ * USB bus with the core and calls the hc_driver->start() function. It returns -+ * a negative error on failure. -+ */ -+int dwc_otg_hcd_init(struct device *dev) -+{ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(dev); -+ struct usb_hcd *hcd = NULL; -+ dwc_otg_hcd_t *dwc_otg_hcd = NULL; -+ -+ int num_channels; -+ int i; -+ dwc_hc_t *channel; -+ -+ int retval = 0; -+ -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD INIT\n"); -+ -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -+ /* 2.6.20+ requires dev.dma_mask to be set prior to calling usb_create_hcd() */ -+ -+ /* Set device flags indicating whether the HCD supports DMA. */ -+ if (otg_dev->core_if->dma_enable) { -+ DWC_PRINT("Using DMA mode\n"); -+ dev->dma_mask = (void *)~0; -+ dev->coherent_dma_mask = ~0; -+ -+ if (otg_dev->core_if->dma_desc_enable) { -+ DWC_PRINT("Device using Descriptor DMA mode\n"); -+ } else { -+ DWC_PRINT("Device using Buffer DMA mode\n"); -+ } -+ } else { -+ DWC_PRINT("Using Slave mode\n"); -+ dev->dma_mask = (void *)0; -+ dev->coherent_dma_mask = 0; -+ } -+#endif -+ /* -+ * Allocate memory for the base HCD plus the DWC OTG HCD. -+ * Initialize the base HCD. -+ */ -+ hcd = usb_create_hcd(&dwc_otg_hc_driver, dev, dev_name(dev)); -+ if (!hcd) { -+ retval = -ENOMEM; -+ goto error1; -+ } -+ -+ dev_set_drvdata(dev, otg_dev); -+ hcd->regs = otg_dev->base; -+ hcd->rsrc_start = otg_dev->phys_addr; -+ hcd->rsrc_len = otg_dev->base_len; -+ hcd->self.otg_port = 1; -+ hcd->has_tt = 1; -+ -+ /* Initialize the DWC OTG HCD. */ -+ dwc_otg_hcd = hcd_to_dwc_otg_hcd(hcd); -+ dwc_otg_hcd->core_if = otg_dev->core_if; -+ otg_dev->hcd = dwc_otg_hcd; -+ -+ /* */ -+ spin_lock_init(&dwc_otg_hcd->lock); -+ -+ /* Register the HCD CIL Callbacks */ -+ dwc_otg_cil_register_hcd_callbacks(otg_dev->core_if, -+ &hcd_cil_callbacks, hcd); -+ -+ /* Initialize the non-periodic schedule. */ -+ INIT_LIST_HEAD(&dwc_otg_hcd->non_periodic_sched_inactive); -+ INIT_LIST_HEAD(&dwc_otg_hcd->non_periodic_sched_active); -+ -+ /* Initialize the periodic schedule. */ -+ INIT_LIST_HEAD(&dwc_otg_hcd->periodic_sched_inactive); -+ INIT_LIST_HEAD(&dwc_otg_hcd->periodic_sched_ready); -+ INIT_LIST_HEAD(&dwc_otg_hcd->periodic_sched_assigned); -+ INIT_LIST_HEAD(&dwc_otg_hcd->periodic_sched_queued); -+ -+ /* -+ * Create a host channel descriptor for each host channel implemented -+ * in the controller. Initialize the channel descriptor array. -+ */ -+ INIT_LIST_HEAD(&dwc_otg_hcd->free_hc_list); -+ num_channels = dwc_otg_hcd->core_if->core_params->host_channels; -+ memset(dwc_otg_hcd->hc_ptr_array, 0, sizeof(dwc_otg_hcd->hc_ptr_array)); -+ for (i = 0; i < num_channels; i++) { -+ channel = kmalloc(sizeof(dwc_hc_t), GFP_KERNEL); -+ if (channel == NULL) { -+ retval = -ENOMEM; -+ DWC_ERROR("%s: host channel allocation failed\n", __func__); -+ goto error2; -+ } -+ memset(channel, 0, sizeof(dwc_hc_t)); -+ channel->hc_num = i; -+ dwc_otg_hcd->hc_ptr_array[i] = channel; -+#ifdef DEBUG -+ init_timer(&dwc_otg_hcd->core_if->hc_xfer_timer[i]); -+#endif -+ DWC_DEBUGPL(DBG_HCDV, "HCD Added channel #%d, hc=%p\n", i, channel); -+ } -+ -+ /* Initialize the Connection timeout timer. */ -+ init_timer(&dwc_otg_hcd->conn_timer); -+ -+ /* Initialize reset tasklet. */ -+ reset_tasklet.data = (unsigned long) dwc_otg_hcd; -+ dwc_otg_hcd->reset_tasklet = &reset_tasklet; -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) -+ /* Set device flags indicating whether the HCD supports DMA. */ -+ if (otg_dev->core_if->dma_enable) { -+ DWC_PRINT("Using DMA mode\n"); -+ dev->dma_mask = (void *)~0; -+ dev->coherent_dma_mask = ~0; -+ -+ if (otg_dev->core_if->dma_desc_enable){ -+ DWC_PRINT("Device using Descriptor DMA mode\n"); -+ } else { -+ DWC_PRINT("Device using Buffer DMA mode\n"); -+ } -+ } else { -+ DWC_PRINT("Using Slave mode\n"); -+ dev->dma_mask = (void *)0; -+ dev->dev.coherent_dma_mask = 0; -+ } -+#endif -+ /* -+ * Finish generic HCD initialization and start the HCD. This function -+ * allocates the DMA buffer pool, registers the USB bus, requests the -+ * IRQ line, and calls dwc_otg_hcd_start method. -+ */ -+ retval = usb_add_hcd(hcd, otg_dev->irq, IRQF_SHARED); -+ if (retval < 0) { -+ goto error2; -+ } -+ -+ /* -+ * Allocate space for storing data on status transactions. Normally no -+ * data is sent, but this space acts as a bit bucket. This must be -+ * done after usb_add_hcd since that function allocates the DMA buffer -+ * pool. -+ */ -+ if (otg_dev->core_if->dma_enable) { -+ dwc_otg_hcd->status_buf = -+ dma_alloc_coherent(dev, -+ DWC_OTG_HCD_STATUS_BUF_SIZE, -+ &dwc_otg_hcd->status_buf_dma, -+ GFP_KERNEL | GFP_DMA); -+ } else { -+ dwc_otg_hcd->status_buf = kmalloc(DWC_OTG_HCD_STATUS_BUF_SIZE, -+ GFP_KERNEL); -+ } -+ if (!dwc_otg_hcd->status_buf) { -+ retval = -ENOMEM; -+ DWC_ERROR("%s: status_buf allocation failed\n", __func__); -+ goto error3; -+ } -+ -+ dwc_otg_hcd->otg_dev = otg_dev; -+ -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD Initialized HCD, bus=%s, usbbus=%d\n", -+ dev_name(dev), hcd->self.busnum); -+ -+ return 0; -+ -+ /* Error conditions */ -+ error3: -+ usb_remove_hcd(hcd); -+ error2: -+ dwc_otg_hcd_free(hcd); -+ usb_put_hcd(hcd); -+ -+ /* FIXME: 2008/05/03 by Steven -+ * write back to device: -+ * dwc_otg_hcd has already been released by dwc_otg_hcd_free() -+ */ -+ dev_set_drvdata(dev, otg_dev); -+ -+ error1: -+ return retval; -+} -+ -+/** -+ * Removes the HCD. -+ * Frees memory and resources associated with the HCD and deregisters the bus. -+ */ -+void dwc_otg_hcd_remove(struct device *dev) -+{ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(dev); -+ dwc_otg_hcd_t *dwc_otg_hcd; -+ struct usb_hcd *hcd; -+ -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD REMOVE\n"); -+ -+ if (!otg_dev) { -+ DWC_DEBUGPL(DBG_ANY, "%s: otg_dev NULL!\n", __func__); -+ return; -+ } -+ -+ dwc_otg_hcd = otg_dev->hcd; -+ -+ if (!dwc_otg_hcd) { -+ DWC_DEBUGPL(DBG_ANY, "%s: otg_dev->hcd NULL!\n", __func__); -+ return; -+ } -+ -+ hcd = dwc_otg_hcd_to_hcd(dwc_otg_hcd); -+ -+ if (!hcd) { -+ DWC_DEBUGPL(DBG_ANY, "%s: dwc_otg_hcd_to_hcd(dwc_otg_hcd) NULL!\n", __func__); -+ return; -+ } -+ -+ /* Turn off all interrupts */ -+ dwc_write_reg32(&dwc_otg_hcd->core_if->core_global_regs->gintmsk, 0); -+ dwc_modify_reg32(&dwc_otg_hcd->core_if->core_global_regs->gahbcfg, 1, 0); -+ -+ usb_remove_hcd(hcd); -+ dwc_otg_hcd_free(hcd); -+ usb_put_hcd(hcd); -+} -+ -+/* ========================================================================= -+ * Linux HC Driver Functions -+ * ========================================================================= */ -+ -+/** -+ * Initializes dynamic portions of the DWC_otg HCD state. -+ */ -+static void hcd_reinit(dwc_otg_hcd_t *hcd) -+{ -+ struct list_head *item; -+ int num_channels; -+ int i; -+ dwc_hc_t *channel; -+ -+ hcd->flags.d32 = 0; -+ -+ hcd->non_periodic_qh_ptr = &hcd->non_periodic_sched_active; -+ hcd->non_periodic_channels = 0; -+ hcd->periodic_channels = 0; -+ -+ /* -+ * Put all channels in the free channel list and clean up channel -+ * states. -+ */ -+ item = hcd->free_hc_list.next; -+ while (item != &hcd->free_hc_list) { -+ list_del(item); -+ item = hcd->free_hc_list.next; -+ } -+ num_channels = hcd->core_if->core_params->host_channels; -+ for (i = 0; i < num_channels; i++) { -+ channel = hcd->hc_ptr_array[i]; -+ list_add_tail(&channel->hc_list_entry, &hcd->free_hc_list); -+ dwc_otg_hc_cleanup(hcd->core_if, channel); -+ } -+ -+ /* Initialize the DWC core for host mode operation. */ -+ dwc_otg_core_host_init(hcd->core_if); -+} -+ -+/** Initializes the DWC_otg controller and its root hub and prepares it for host -+ * mode operation. Activates the root port. Returns 0 on success and a negative -+ * error code on failure. */ -+int dwc_otg_hcd_start(struct usb_hcd *hcd) -+{ -+ dwc_otg_hcd_t *dwc_otg_hcd = hcd_to_dwc_otg_hcd(hcd); -+ dwc_otg_core_if_t *core_if = dwc_otg_hcd->core_if; -+ struct usb_bus *bus; -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) -+ struct usb_device *udev; -+ int retval; -+#endif -+ -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD START\n"); -+ -+ bus = hcd_to_bus(hcd); -+ -+ /* Initialize the bus state. If the core is in Device Mode -+ * HALT the USB bus and return. */ -+ if (dwc_otg_is_device_mode(core_if)) { -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) -+ hcd->state = HC_STATE_HALT; -+#else -+ hcd->state = HC_STATE_RUNNING; -+#endif -+ return 0; -+ } -+ hcd->state = HC_STATE_RUNNING; -+ -+ /* Initialize and connect root hub if one is not already attached */ -+ if (bus->root_hub) { -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD Has Root Hub\n"); -+ /* Inform the HUB driver to resume. */ -+ usb_hcd_resume_root_hub(hcd); -+ } -+ else { -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD Does Not Have Root Hub\n"); -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) -+ udev = usb_alloc_dev(NULL, bus, 0); -+ udev->speed = USB_SPEED_HIGH; -+ if (!udev) { -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD Error udev alloc\n"); -+ return -ENODEV; -+ } -+ if ((retval = usb_hcd_register_root_hub(udev, hcd)) != 0) { -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD Error registering %d\n", retval); -+ return -ENODEV; -+ } -+#endif -+ } -+ -+ hcd_reinit(dwc_otg_hcd); -+ -+ return 0; -+} -+ -+static void qh_list_free(dwc_otg_hcd_t *hcd, struct list_head *qh_list) -+{ -+ struct list_head *item; -+ dwc_otg_qh_t *qh; -+ -+ if (!qh_list->next) { -+ /* The list hasn't been initialized yet. */ -+ return; -+ } -+ -+ /* Ensure there are no QTDs or URBs left. */ -+ kill_urbs_in_qh_list(hcd, qh_list); -+ -+ for (item = qh_list->next; item != qh_list; item = qh_list->next) { -+ qh = list_entry(item, dwc_otg_qh_t, qh_list_entry); -+ dwc_otg_hcd_qh_remove_and_free(hcd, qh); -+ } -+} -+ -+/** -+ * Halts the DWC_otg host mode operations in a clean manner. USB transfers are -+ * stopped. -+ */ -+void dwc_otg_hcd_stop(struct usb_hcd *hcd) -+{ -+ dwc_otg_hcd_t *dwc_otg_hcd = hcd_to_dwc_otg_hcd(hcd); -+ hprt0_data_t hprt0 = { .d32=0 }; -+ -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD STOP\n"); -+ -+ /* Turn off all host-specific interrupts. */ -+ dwc_otg_disable_host_interrupts(dwc_otg_hcd->core_if); -+ -+ /* -+ * The root hub should be disconnected before this function is called. -+ * The disconnect will clear the QTD lists (via ..._hcd_urb_dequeue) -+ * and the QH lists (via ..._hcd_endpoint_disable). -+ */ -+ -+ /* Turn off the vbus power */ -+ DWC_PRINT("PortPower off\n"); -+ hprt0.b.prtpwr = 0; -+ dwc_write_reg32(dwc_otg_hcd->core_if->host_if->hprt0, hprt0.d32); -+} -+ -+/** Returns the current frame number. */ -+int dwc_otg_hcd_get_frame_number(struct usb_hcd *hcd) -+{ -+ dwc_otg_hcd_t *dwc_otg_hcd = hcd_to_dwc_otg_hcd(hcd); -+ hfnum_data_t hfnum; -+ -+ hfnum.d32 = dwc_read_reg32(&dwc_otg_hcd->core_if-> -+ host_if->host_global_regs->hfnum); -+ -+#ifdef DEBUG_SOF -+ DWC_DEBUGPL(DBG_HCDV, "DWC OTG HCD GET FRAME NUMBER %d\n", hfnum.b.frnum); -+#endif -+ return hfnum.b.frnum; -+} -+ -+/** -+ * Frees secondary storage associated with the dwc_otg_hcd structure contained -+ * in the struct usb_hcd field. -+ */ -+void dwc_otg_hcd_free(struct usb_hcd *hcd) -+{ -+ dwc_otg_hcd_t *dwc_otg_hcd = hcd_to_dwc_otg_hcd(hcd); -+ int i; -+ -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD FREE\n"); -+ -+ del_timers(dwc_otg_hcd); -+ -+ /* Free memory for QH/QTD lists */ -+ qh_list_free(dwc_otg_hcd, &dwc_otg_hcd->non_periodic_sched_inactive); -+ qh_list_free(dwc_otg_hcd, &dwc_otg_hcd->non_periodic_sched_active); -+ qh_list_free(dwc_otg_hcd, &dwc_otg_hcd->periodic_sched_inactive); -+ qh_list_free(dwc_otg_hcd, &dwc_otg_hcd->periodic_sched_ready); -+ qh_list_free(dwc_otg_hcd, &dwc_otg_hcd->periodic_sched_assigned); -+ qh_list_free(dwc_otg_hcd, &dwc_otg_hcd->periodic_sched_queued); -+ -+ /* Free memory for the host channels. */ -+ for (i = 0; i < MAX_EPS_CHANNELS; i++) { -+ dwc_hc_t *hc = dwc_otg_hcd->hc_ptr_array[i]; -+ if (hc != NULL) { -+ DWC_DEBUGPL(DBG_HCDV, "HCD Free channel #%i, hc=%p\n", i, hc); -+ kfree(hc); -+ } -+ } -+ -+ if (dwc_otg_hcd->core_if->dma_enable) { -+ if (dwc_otg_hcd->status_buf_dma) { -+ dma_free_coherent(hcd->self.controller, -+ DWC_OTG_HCD_STATUS_BUF_SIZE, -+ dwc_otg_hcd->status_buf, -+ dwc_otg_hcd->status_buf_dma); -+ } -+ } else if (dwc_otg_hcd->status_buf != NULL) { -+ kfree(dwc_otg_hcd->status_buf); -+ } -+} -+ -+#ifdef DEBUG -+static void dump_urb_info(struct urb *urb, char* fn_name) -+{ -+ DWC_PRINT("%s, urb %p\n", fn_name, urb); -+ DWC_PRINT(" Device address: %d\n", usb_pipedevice(urb->pipe)); -+ DWC_PRINT(" Endpoint: %d, %s\n", usb_pipeendpoint(urb->pipe), -+ (usb_pipein(urb->pipe) ? "IN" : "OUT")); -+ DWC_PRINT(" Endpoint type: %s\n", -+ ({char *pipetype; -+ switch (usb_pipetype(urb->pipe)) { -+ case PIPE_CONTROL: pipetype = "CONTROL"; break; -+ case PIPE_BULK: pipetype = "BULK"; break; -+ case PIPE_INTERRUPT: pipetype = "INTERRUPT"; break; -+ case PIPE_ISOCHRONOUS: pipetype = "ISOCHRONOUS"; break; -+ default: pipetype = "UNKNOWN"; break; -+ }; pipetype;})); -+ DWC_PRINT(" Speed: %s\n", -+ ({char *speed; -+ switch (urb->dev->speed) { -+ case USB_SPEED_HIGH: speed = "HIGH"; break; -+ case USB_SPEED_FULL: speed = "FULL"; break; -+ case USB_SPEED_LOW: speed = "LOW"; break; -+ default: speed = "UNKNOWN"; break; -+ }; speed;})); -+ DWC_PRINT(" Max packet size: %d\n", -+ usb_maxpacket(urb->dev, urb->pipe, usb_pipeout(urb->pipe))); -+ DWC_PRINT(" Data buffer length: %d\n", urb->transfer_buffer_length); -+ DWC_PRINT(" Transfer buffer: %p, Transfer DMA: %p\n", -+ urb->transfer_buffer, (void *)urb->transfer_dma); -+ DWC_PRINT(" Setup buffer: %p, Setup DMA: %p\n", -+ urb->setup_packet, (void *)urb->setup_dma); -+ DWC_PRINT(" Interval: %d\n", urb->interval); -+ if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS) { -+ int i; -+ for (i = 0; i < urb->number_of_packets; i++) { -+ DWC_PRINT(" ISO Desc %d:\n", i); -+ DWC_PRINT(" offset: %d, length %d\n", -+ urb->iso_frame_desc[i].offset, -+ urb->iso_frame_desc[i].length); -+ } -+ } -+} -+ -+static void dump_channel_info(dwc_otg_hcd_t *hcd, -+ dwc_otg_qh_t *qh) -+{ -+ if (qh->channel != NULL) { -+ dwc_hc_t *hc = qh->channel; -+ struct list_head *item; -+ dwc_otg_qh_t *qh_item; -+ int num_channels = hcd->core_if->core_params->host_channels; -+ int i; -+ -+ dwc_otg_hc_regs_t *hc_regs; -+ hcchar_data_t hcchar; -+ hcsplt_data_t hcsplt; -+ hctsiz_data_t hctsiz; -+ uint32_t hcdma; -+ -+ hc_regs = hcd->core_if->host_if->hc_regs[hc->hc_num]; -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ hcsplt.d32 = dwc_read_reg32(&hc_regs->hcsplt); -+ hctsiz.d32 = dwc_read_reg32(&hc_regs->hctsiz); -+ hcdma = dwc_read_reg32(&hc_regs->hcdma); -+ -+ DWC_PRINT(" Assigned to channel %p:\n", hc); -+ DWC_PRINT(" hcchar 0x%08x, hcsplt 0x%08x\n", hcchar.d32, hcsplt.d32); -+ DWC_PRINT(" hctsiz 0x%08x, hcdma 0x%08x\n", hctsiz.d32, hcdma); -+ DWC_PRINT(" dev_addr: %d, ep_num: %d, ep_is_in: %d\n", -+ hc->dev_addr, hc->ep_num, hc->ep_is_in); -+ DWC_PRINT(" ep_type: %d\n", hc->ep_type); -+ DWC_PRINT(" max_packet: %d\n", hc->max_packet); -+ DWC_PRINT(" data_pid_start: %d\n", hc->data_pid_start); -+ DWC_PRINT(" xfer_started: %d\n", hc->xfer_started); -+ DWC_PRINT(" halt_status: %d\n", hc->halt_status); -+ DWC_PRINT(" xfer_buff: %p\n", hc->xfer_buff); -+ DWC_PRINT(" xfer_len: %d\n", hc->xfer_len); -+ DWC_PRINT(" qh: %p\n", hc->qh); -+ DWC_PRINT(" NP inactive sched:\n"); -+ list_for_each(item, &hcd->non_periodic_sched_inactive) { -+ qh_item = list_entry(item, dwc_otg_qh_t, qh_list_entry); -+ DWC_PRINT(" %p\n", qh_item); -+ } -+ DWC_PRINT(" NP active sched:\n"); -+ list_for_each(item, &hcd->non_periodic_sched_active) { -+ qh_item = list_entry(item, dwc_otg_qh_t, qh_list_entry); -+ DWC_PRINT(" %p\n", qh_item); -+ } -+ DWC_PRINT(" Channels: \n"); -+ for (i = 0; i < num_channels; i++) { -+ dwc_hc_t *hc = hcd->hc_ptr_array[i]; -+ DWC_PRINT(" %2d: %p\n", i, hc); -+ } -+ } -+} -+#endif -+ -+/** Starts processing a USB transfer request specified by a USB Request Block -+ * (URB). mem_flags indicates the type of memory allocation to use while -+ * processing this URB. */ -+int dwc_otg_hcd_urb_enqueue(struct usb_hcd *hcd, -+ struct urb *urb, -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) -+ int mem_flags -+#else -+ gfp_t mem_flags -+#endif -+ ) -+{ -+ int retval = 0; -+ dwc_otg_hcd_t *dwc_otg_hcd = hcd_to_dwc_otg_hcd(hcd); -+ dwc_otg_qtd_t *qtd; -+ -+#ifdef DEBUG -+ if (CHK_DEBUG_LEVEL(DBG_HCDV | DBG_HCD_URB)) { -+ dump_urb_info(urb, "dwc_otg_hcd_urb_enqueue"); -+ } -+#endif -+ if (!dwc_otg_hcd->flags.b.port_connect_status) { -+ /* No longer connected. */ -+ return -ENODEV; -+ } -+ -+ qtd = dwc_otg_hcd_qtd_create(urb); -+ if (qtd == NULL) { -+ DWC_ERROR("DWC OTG HCD URB Enqueue failed creating QTD\n"); -+ return -ENOMEM; -+ } -+ -+ retval = dwc_otg_hcd_qtd_add(qtd, dwc_otg_hcd); -+ if (retval < 0) { -+ DWC_ERROR("DWC OTG HCD URB Enqueue failed adding QTD. " -+ "Error status %d\n", retval); -+ dwc_otg_hcd_qtd_free(qtd); -+ } -+ -+ return retval; -+} -+ -+/** Aborts/cancels a USB transfer request. Always returns 0 to indicate -+ * success. */ -+int dwc_otg_hcd_urb_dequeue(struct usb_hcd *hcd, -+ struct urb *urb, -+ int status) -+{ -+ unsigned long flags; -+ dwc_otg_hcd_t *dwc_otg_hcd; -+ dwc_otg_qtd_t *urb_qtd; -+ dwc_otg_qh_t *qh; -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -+ struct usb_host_endpoint *ep = dwc_urb_to_endpoint(urb); -+#endif -+ -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD URB Dequeue\n"); -+ -+ dwc_otg_hcd = hcd_to_dwc_otg_hcd(hcd); -+ -+ SPIN_LOCK_IRQSAVE(&dwc_otg_hcd->lock, flags); -+ -+ urb_qtd = (dwc_otg_qtd_t *)urb->hcpriv; -+ qh = (dwc_otg_qh_t *)ep->hcpriv; -+ -+#ifdef DEBUG -+ if (CHK_DEBUG_LEVEL(DBG_HCDV | DBG_HCD_URB)) { -+ dump_urb_info(urb, "dwc_otg_hcd_urb_dequeue"); -+ if (urb_qtd == qh->qtd_in_process) { -+ dump_channel_info(dwc_otg_hcd, qh); -+ } -+ } -+#endif -+ -+ if (urb_qtd == qh->qtd_in_process) { -+ /* The QTD is in process (it has been assigned to a channel). */ -+ -+ if (dwc_otg_hcd->flags.b.port_connect_status) { -+ /* -+ * If still connected (i.e. in host mode), halt the -+ * channel so it can be used for other transfers. If -+ * no longer connected, the host registers can't be -+ * written to halt the channel since the core is in -+ * device mode. -+ */ -+ dwc_otg_hc_halt(dwc_otg_hcd->core_if, qh->channel, -+ DWC_OTG_HC_XFER_URB_DEQUEUE); -+ } -+ } -+ -+ /* -+ * Free the QTD and clean up the associated QH. Leave the QH in the -+ * schedule if it has any remaining QTDs. -+ */ -+ dwc_otg_hcd_qtd_remove_and_free(dwc_otg_hcd, urb_qtd); -+ if (urb_qtd == qh->qtd_in_process) { -+ dwc_otg_hcd_qh_deactivate(dwc_otg_hcd, qh, 0); -+ qh->channel = NULL; -+ qh->qtd_in_process = NULL; -+ } else if (list_empty(&qh->qtd_list)) { -+ dwc_otg_hcd_qh_remove(dwc_otg_hcd, qh); -+ } -+ -+ SPIN_UNLOCK_IRQRESTORE(&dwc_otg_hcd->lock, flags); -+ -+ urb->hcpriv = NULL; -+ -+ /* Higher layer software sets URB status. */ -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -+ usb_hcd_giveback_urb(hcd, urb, status); -+#else -+ usb_hcd_giveback_urb(hcd, urb, NULL); -+#endif -+ if (CHK_DEBUG_LEVEL(DBG_HCDV | DBG_HCD_URB)) { -+ DWC_PRINT("Called usb_hcd_giveback_urb()\n"); -+ DWC_PRINT(" urb->status = %d\n", urb->status); -+ } -+ -+ return 0; -+} -+ -+/** Frees resources in the DWC_otg controller related to a given endpoint. Also -+ * clears state in the HCD related to the endpoint. Any URBs for the endpoint -+ * must already be dequeued. */ -+void dwc_otg_hcd_endpoint_disable(struct usb_hcd *hcd, -+ struct usb_host_endpoint *ep) -+{ -+ dwc_otg_hcd_t *dwc_otg_hcd = hcd_to_dwc_otg_hcd(hcd); -+ dwc_otg_qh_t *qh; -+ -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -+ unsigned long flags; -+ int retry = 0; -+#endif -+ -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD EP DISABLE: _bEndpointAddress=0x%02x, " -+ "endpoint=%d\n", ep->desc.bEndpointAddress, -+ dwc_ep_addr_to_endpoint(ep->desc.bEndpointAddress)); -+ -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -+rescan: -+ SPIN_LOCK_IRQSAVE(&dwc_otg_hcd->lock, flags); -+ qh = (dwc_otg_qh_t *)(ep->hcpriv); -+ if (!qh) -+ goto done; -+ -+ /** Check that the QTD list is really empty */ -+ if (!list_empty(&qh->qtd_list)) { -+ if (retry++ < 250) { -+ SPIN_UNLOCK_IRQRESTORE(&dwc_otg_hcd->lock, flags); -+ schedule_timeout_uninterruptible(1); -+ goto rescan; -+ } -+ -+ DWC_WARN("DWC OTG HCD EP DISABLE:" -+ " QTD List for this endpoint is not empty\n"); -+ } -+ -+ dwc_otg_hcd_qh_remove_and_free(dwc_otg_hcd, qh); -+ ep->hcpriv = NULL; -+done: -+ SPIN_UNLOCK_IRQRESTORE(&dwc_otg_hcd->lock, flags); -+ -+#else // LINUX_VERSION_CODE -+ -+ qh = (dwc_otg_qh_t *)(ep->hcpriv); -+ if (qh != NULL) { -+#ifdef DEBUG -+ /** Check that the QTD list is really empty */ -+ if (!list_empty(&qh->qtd_list)) { -+ DWC_WARN("DWC OTG HCD EP DISABLE:" -+ " QTD List for this endpoint is not empty\n"); -+ } -+#endif -+ dwc_otg_hcd_qh_remove_and_free(dwc_otg_hcd, qh); -+ ep->hcpriv = NULL; -+ } -+#endif // LINUX_VERSION_CODE -+} -+ -+/** Handles host mode interrupts for the DWC_otg controller. Returns IRQ_NONE if -+ * there was no interrupt to handle. Returns IRQ_HANDLED if there was a valid -+ * interrupt. -+ * -+ * This function is called by the USB core when an interrupt occurs */ -+irqreturn_t dwc_otg_hcd_irq(struct usb_hcd *hcd -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+ , struct pt_regs *regs -+#endif -+ ) -+{ -+ dwc_otg_hcd_t *dwc_otg_hcd = hcd_to_dwc_otg_hcd(hcd); -+ return IRQ_RETVAL(dwc_otg_hcd_handle_intr(dwc_otg_hcd)); -+} -+ -+/** Creates Status Change bitmap for the root hub and root port. The bitmap is -+ * returned in buf. Bit 0 is the status change indicator for the root hub. Bit 1 -+ * is the status change indicator for the single root port. Returns 1 if either -+ * change indicator is 1, otherwise returns 0. */ -+int dwc_otg_hcd_hub_status_data(struct usb_hcd *hcd, char *buf) -+{ -+ dwc_otg_hcd_t *dwc_otg_hcd = hcd_to_dwc_otg_hcd(hcd); -+ -+ buf[0] = 0; -+ buf[0] |= (dwc_otg_hcd->flags.b.port_connect_status_change || -+ dwc_otg_hcd->flags.b.port_reset_change || -+ dwc_otg_hcd->flags.b.port_enable_change || -+ dwc_otg_hcd->flags.b.port_suspend_change || -+ dwc_otg_hcd->flags.b.port_over_current_change) << 1; -+ -+#ifdef DEBUG -+ if (buf[0]) { -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB STATUS DATA:" -+ " Root port status changed\n"); -+ DWC_DEBUGPL(DBG_HCDV, " port_connect_status_change: %d\n", -+ dwc_otg_hcd->flags.b.port_connect_status_change); -+ DWC_DEBUGPL(DBG_HCDV, " port_reset_change: %d\n", -+ dwc_otg_hcd->flags.b.port_reset_change); -+ DWC_DEBUGPL(DBG_HCDV, " port_enable_change: %d\n", -+ dwc_otg_hcd->flags.b.port_enable_change); -+ DWC_DEBUGPL(DBG_HCDV, " port_suspend_change: %d\n", -+ dwc_otg_hcd->flags.b.port_suspend_change); -+ DWC_DEBUGPL(DBG_HCDV, " port_over_current_change: %d\n", -+ dwc_otg_hcd->flags.b.port_over_current_change); -+ } -+#endif -+ return (buf[0] != 0); -+} -+ -+#ifdef DWC_HS_ELECT_TST -+/* -+ * Quick and dirty hack to implement the HS Electrical Test -+ * SINGLE_STEP_GET_DEVICE_DESCRIPTOR feature. -+ * -+ * This code was copied from our userspace app "hset". It sends a -+ * Get Device Descriptor control sequence in two parts, first the -+ * Setup packet by itself, followed some time later by the In and -+ * Ack packets. Rather than trying to figure out how to add this -+ * functionality to the normal driver code, we just hijack the -+ * hardware, using these two function to drive the hardware -+ * directly. -+ */ -+ -+dwc_otg_core_global_regs_t *global_regs; -+dwc_otg_host_global_regs_t *hc_global_regs; -+dwc_otg_hc_regs_t *hc_regs; -+uint32_t *data_fifo; -+ -+static void do_setup(void) -+{ -+ gintsts_data_t gintsts; -+ hctsiz_data_t hctsiz; -+ hcchar_data_t hcchar; -+ haint_data_t haint; -+ hcint_data_t hcint; -+ -+ /* Enable HAINTs */ -+ dwc_write_reg32(&hc_global_regs->haintmsk, 0x0001); -+ -+ /* Enable HCINTs */ -+ dwc_write_reg32(&hc_regs->hcintmsk, 0x04a3); -+ -+ /* Read GINTSTS */ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "GINTSTS: %08x\n", gintsts.d32); -+ -+ /* Read HAINT */ -+ haint.d32 = dwc_read_reg32(&hc_global_regs->haint); -+ //fprintf(stderr, "HAINT: %08x\n", haint.d32); -+ -+ /* Read HCINT */ -+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint); -+ //fprintf(stderr, "HCINT: %08x\n", hcint.d32); -+ -+ /* Read HCCHAR */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ //fprintf(stderr, "HCCHAR: %08x\n", hcchar.d32); -+ -+ /* Clear HCINT */ -+ dwc_write_reg32(&hc_regs->hcint, hcint.d32); -+ -+ /* Clear HAINT */ -+ dwc_write_reg32(&hc_global_regs->haint, haint.d32); -+ -+ /* Clear GINTSTS */ -+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32); -+ -+ /* Read GINTSTS */ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "GINTSTS: %08x\n", gintsts.d32); -+ -+ /* -+ * Send Setup packet (Get Device Descriptor) -+ */ -+ -+ /* Make sure channel is disabled */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ if (hcchar.b.chen) { -+ //fprintf(stderr, "Channel already enabled 1, HCCHAR = %08x\n", hcchar.d32); -+ hcchar.b.chdis = 1; -+// hcchar.b.chen = 1; -+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32); -+ //sleep(1); -+ mdelay(1000); -+ -+ /* Read GINTSTS */ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "GINTSTS: %08x\n", gintsts.d32); -+ -+ /* Read HAINT */ -+ haint.d32 = dwc_read_reg32(&hc_global_regs->haint); -+ //fprintf(stderr, "HAINT: %08x\n", haint.d32); -+ -+ /* Read HCINT */ -+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint); -+ //fprintf(stderr, "HCINT: %08x\n", hcint.d32); -+ -+ /* Read HCCHAR */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ //fprintf(stderr, "HCCHAR: %08x\n", hcchar.d32); -+ -+ /* Clear HCINT */ -+ dwc_write_reg32(&hc_regs->hcint, hcint.d32); -+ -+ /* Clear HAINT */ -+ dwc_write_reg32(&hc_global_regs->haint, haint.d32); -+ -+ /* Clear GINTSTS */ -+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32); -+ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ //if (hcchar.b.chen) { -+ // fprintf(stderr, "** Channel _still_ enabled 1, HCCHAR = %08x **\n", hcchar.d32); -+ //} -+ } -+ -+ /* Set HCTSIZ */ -+ hctsiz.d32 = 0; -+ hctsiz.b.xfersize = 8; -+ hctsiz.b.pktcnt = 1; -+ hctsiz.b.pid = DWC_OTG_HC_PID_SETUP; -+ dwc_write_reg32(&hc_regs->hctsiz, hctsiz.d32); -+ -+ /* Set HCCHAR */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ hcchar.b.eptype = DWC_OTG_EP_TYPE_CONTROL; -+ hcchar.b.epdir = 0; -+ hcchar.b.epnum = 0; -+ hcchar.b.mps = 8; -+ hcchar.b.chen = 1; -+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32); -+ -+ /* Fill FIFO with Setup data for Get Device Descriptor */ -+ data_fifo = (uint32_t *)((char *)global_regs + 0x1000); -+ dwc_write_reg32(data_fifo++, 0x01000680); -+ dwc_write_reg32(data_fifo++, 0x00080000); -+ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "Waiting for HCINTR intr 1, GINTSTS = %08x\n", gintsts.d32); -+ -+ /* Wait for host channel interrupt */ -+ do { -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ } while (gintsts.b.hcintr == 0); -+ -+ //fprintf(stderr, "Got HCINTR intr 1, GINTSTS = %08x\n", gintsts.d32); -+ -+ /* Disable HCINTs */ -+ dwc_write_reg32(&hc_regs->hcintmsk, 0x0000); -+ -+ /* Disable HAINTs */ -+ dwc_write_reg32(&hc_global_regs->haintmsk, 0x0000); -+ -+ /* Read HAINT */ -+ haint.d32 = dwc_read_reg32(&hc_global_regs->haint); -+ //fprintf(stderr, "HAINT: %08x\n", haint.d32); -+ -+ /* Read HCINT */ -+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint); -+ //fprintf(stderr, "HCINT: %08x\n", hcint.d32); -+ -+ /* Read HCCHAR */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ //fprintf(stderr, "HCCHAR: %08x\n", hcchar.d32); -+ -+ /* Clear HCINT */ -+ dwc_write_reg32(&hc_regs->hcint, hcint.d32); -+ -+ /* Clear HAINT */ -+ dwc_write_reg32(&hc_global_regs->haint, haint.d32); -+ -+ /* Clear GINTSTS */ -+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32); -+ -+ /* Read GINTSTS */ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "GINTSTS: %08x\n", gintsts.d32); -+} -+ -+static void do_in_ack(void) -+{ -+ gintsts_data_t gintsts; -+ hctsiz_data_t hctsiz; -+ hcchar_data_t hcchar; -+ haint_data_t haint; -+ hcint_data_t hcint; -+ host_grxsts_data_t grxsts; -+ -+ /* Enable HAINTs */ -+ dwc_write_reg32(&hc_global_regs->haintmsk, 0x0001); -+ -+ /* Enable HCINTs */ -+ dwc_write_reg32(&hc_regs->hcintmsk, 0x04a3); -+ -+ /* Read GINTSTS */ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "GINTSTS: %08x\n", gintsts.d32); -+ -+ /* Read HAINT */ -+ haint.d32 = dwc_read_reg32(&hc_global_regs->haint); -+ //fprintf(stderr, "HAINT: %08x\n", haint.d32); -+ -+ /* Read HCINT */ -+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint); -+ //fprintf(stderr, "HCINT: %08x\n", hcint.d32); -+ -+ /* Read HCCHAR */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ //fprintf(stderr, "HCCHAR: %08x\n", hcchar.d32); -+ -+ /* Clear HCINT */ -+ dwc_write_reg32(&hc_regs->hcint, hcint.d32); -+ -+ /* Clear HAINT */ -+ dwc_write_reg32(&hc_global_regs->haint, haint.d32); -+ -+ /* Clear GINTSTS */ -+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32); -+ -+ /* Read GINTSTS */ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "GINTSTS: %08x\n", gintsts.d32); -+ -+ /* -+ * Receive Control In packet -+ */ -+ -+ /* Make sure channel is disabled */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ if (hcchar.b.chen) { -+ //fprintf(stderr, "Channel already enabled 2, HCCHAR = %08x\n", hcchar.d32); -+ hcchar.b.chdis = 1; -+ hcchar.b.chen = 1; -+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32); -+ //sleep(1); -+ mdelay(1000); -+ -+ /* Read GINTSTS */ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "GINTSTS: %08x\n", gintsts.d32); -+ -+ /* Read HAINT */ -+ haint.d32 = dwc_read_reg32(&hc_global_regs->haint); -+ //fprintf(stderr, "HAINT: %08x\n", haint.d32); -+ -+ /* Read HCINT */ -+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint); -+ //fprintf(stderr, "HCINT: %08x\n", hcint.d32); -+ -+ /* Read HCCHAR */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ //fprintf(stderr, "HCCHAR: %08x\n", hcchar.d32); -+ -+ /* Clear HCINT */ -+ dwc_write_reg32(&hc_regs->hcint, hcint.d32); -+ -+ /* Clear HAINT */ -+ dwc_write_reg32(&hc_global_regs->haint, haint.d32); -+ -+ /* Clear GINTSTS */ -+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32); -+ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ //if (hcchar.b.chen) { -+ // fprintf(stderr, "** Channel _still_ enabled 2, HCCHAR = %08x **\n", hcchar.d32); -+ //} -+ } -+ -+ /* Set HCTSIZ */ -+ hctsiz.d32 = 0; -+ hctsiz.b.xfersize = 8; -+ hctsiz.b.pktcnt = 1; -+ hctsiz.b.pid = DWC_OTG_HC_PID_DATA1; -+ dwc_write_reg32(&hc_regs->hctsiz, hctsiz.d32); -+ -+ /* Set HCCHAR */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ hcchar.b.eptype = DWC_OTG_EP_TYPE_CONTROL; -+ hcchar.b.epdir = 1; -+ hcchar.b.epnum = 0; -+ hcchar.b.mps = 8; -+ hcchar.b.chen = 1; -+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32); -+ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "Waiting for RXSTSQLVL intr 1, GINTSTS = %08x\n", gintsts.d32); -+ -+ /* Wait for receive status queue interrupt */ -+ do { -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ } while (gintsts.b.rxstsqlvl == 0); -+ -+ //fprintf(stderr, "Got RXSTSQLVL intr 1, GINTSTS = %08x\n", gintsts.d32); -+ -+ /* Read RXSTS */ -+ grxsts.d32 = dwc_read_reg32(&global_regs->grxstsp); -+ //fprintf(stderr, "GRXSTS: %08x\n", grxsts.d32); -+ -+ /* Clear RXSTSQLVL in GINTSTS */ -+ gintsts.d32 = 0; -+ gintsts.b.rxstsqlvl = 1; -+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32); -+ -+ switch (grxsts.b.pktsts) { -+ case DWC_GRXSTS_PKTSTS_IN: -+ /* Read the data into the host buffer */ -+ if (grxsts.b.bcnt > 0) { -+ int i; -+ int word_count = (grxsts.b.bcnt + 3) / 4; -+ -+ data_fifo = (uint32_t *)((char *)global_regs + 0x1000); -+ -+ for (i = 0; i < word_count; i++) { -+ (void)dwc_read_reg32(data_fifo++); -+ } -+ } -+ -+ //fprintf(stderr, "Received %u bytes\n", (unsigned)grxsts.b.bcnt); -+ break; -+ -+ default: -+ //fprintf(stderr, "** Unexpected GRXSTS packet status 1 **\n"); -+ break; -+ } -+ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "Waiting for RXSTSQLVL intr 2, GINTSTS = %08x\n", gintsts.d32); -+ -+ /* Wait for receive status queue interrupt */ -+ do { -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ } while (gintsts.b.rxstsqlvl == 0); -+ -+ //fprintf(stderr, "Got RXSTSQLVL intr 2, GINTSTS = %08x\n", gintsts.d32); -+ -+ /* Read RXSTS */ -+ grxsts.d32 = dwc_read_reg32(&global_regs->grxstsp); -+ //fprintf(stderr, "GRXSTS: %08x\n", grxsts.d32); -+ -+ /* Clear RXSTSQLVL in GINTSTS */ -+ gintsts.d32 = 0; -+ gintsts.b.rxstsqlvl = 1; -+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32); -+ -+ switch (grxsts.b.pktsts) { -+ case DWC_GRXSTS_PKTSTS_IN_XFER_COMP: -+ break; -+ -+ default: -+ //fprintf(stderr, "** Unexpected GRXSTS packet status 2 **\n"); -+ break; -+ } -+ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "Waiting for HCINTR intr 2, GINTSTS = %08x\n", gintsts.d32); -+ -+ /* Wait for host channel interrupt */ -+ do { -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ } while (gintsts.b.hcintr == 0); -+ -+ //fprintf(stderr, "Got HCINTR intr 2, GINTSTS = %08x\n", gintsts.d32); -+ -+ /* Read HAINT */ -+ haint.d32 = dwc_read_reg32(&hc_global_regs->haint); -+ //fprintf(stderr, "HAINT: %08x\n", haint.d32); -+ -+ /* Read HCINT */ -+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint); -+ //fprintf(stderr, "HCINT: %08x\n", hcint.d32); -+ -+ /* Read HCCHAR */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ //fprintf(stderr, "HCCHAR: %08x\n", hcchar.d32); -+ -+ /* Clear HCINT */ -+ dwc_write_reg32(&hc_regs->hcint, hcint.d32); -+ -+ /* Clear HAINT */ -+ dwc_write_reg32(&hc_global_regs->haint, haint.d32); -+ -+ /* Clear GINTSTS */ -+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32); -+ -+ /* Read GINTSTS */ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "GINTSTS: %08x\n", gintsts.d32); -+ -+// usleep(100000); -+// mdelay(100); -+ mdelay(1); -+ -+ /* -+ * Send handshake packet -+ */ -+ -+ /* Read HAINT */ -+ haint.d32 = dwc_read_reg32(&hc_global_regs->haint); -+ //fprintf(stderr, "HAINT: %08x\n", haint.d32); -+ -+ /* Read HCINT */ -+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint); -+ //fprintf(stderr, "HCINT: %08x\n", hcint.d32); -+ -+ /* Read HCCHAR */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ //fprintf(stderr, "HCCHAR: %08x\n", hcchar.d32); -+ -+ /* Clear HCINT */ -+ dwc_write_reg32(&hc_regs->hcint, hcint.d32); -+ -+ /* Clear HAINT */ -+ dwc_write_reg32(&hc_global_regs->haint, haint.d32); -+ -+ /* Clear GINTSTS */ -+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32); -+ -+ /* Read GINTSTS */ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "GINTSTS: %08x\n", gintsts.d32); -+ -+ /* Make sure channel is disabled */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ if (hcchar.b.chen) { -+ //fprintf(stderr, "Channel already enabled 3, HCCHAR = %08x\n", hcchar.d32); -+ hcchar.b.chdis = 1; -+ hcchar.b.chen = 1; -+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32); -+ //sleep(1); -+ mdelay(1000); -+ -+ /* Read GINTSTS */ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "GINTSTS: %08x\n", gintsts.d32); -+ -+ /* Read HAINT */ -+ haint.d32 = dwc_read_reg32(&hc_global_regs->haint); -+ //fprintf(stderr, "HAINT: %08x\n", haint.d32); -+ -+ /* Read HCINT */ -+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint); -+ //fprintf(stderr, "HCINT: %08x\n", hcint.d32); -+ -+ /* Read HCCHAR */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ //fprintf(stderr, "HCCHAR: %08x\n", hcchar.d32); -+ -+ /* Clear HCINT */ -+ dwc_write_reg32(&hc_regs->hcint, hcint.d32); -+ -+ /* Clear HAINT */ -+ dwc_write_reg32(&hc_global_regs->haint, haint.d32); -+ -+ /* Clear GINTSTS */ -+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32); -+ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ //if (hcchar.b.chen) { -+ // fprintf(stderr, "** Channel _still_ enabled 3, HCCHAR = %08x **\n", hcchar.d32); -+ //} -+ } -+ -+ /* Set HCTSIZ */ -+ hctsiz.d32 = 0; -+ hctsiz.b.xfersize = 0; -+ hctsiz.b.pktcnt = 1; -+ hctsiz.b.pid = DWC_OTG_HC_PID_DATA1; -+ dwc_write_reg32(&hc_regs->hctsiz, hctsiz.d32); -+ -+ /* Set HCCHAR */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ hcchar.b.eptype = DWC_OTG_EP_TYPE_CONTROL; -+ hcchar.b.epdir = 0; -+ hcchar.b.epnum = 0; -+ hcchar.b.mps = 8; -+ hcchar.b.chen = 1; -+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32); -+ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "Waiting for HCINTR intr 3, GINTSTS = %08x\n", gintsts.d32); -+ -+ /* Wait for host channel interrupt */ -+ do { -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ } while (gintsts.b.hcintr == 0); -+ -+ //fprintf(stderr, "Got HCINTR intr 3, GINTSTS = %08x\n", gintsts.d32); -+ -+ /* Disable HCINTs */ -+ dwc_write_reg32(&hc_regs->hcintmsk, 0x0000); -+ -+ /* Disable HAINTs */ -+ dwc_write_reg32(&hc_global_regs->haintmsk, 0x0000); -+ -+ /* Read HAINT */ -+ haint.d32 = dwc_read_reg32(&hc_global_regs->haint); -+ //fprintf(stderr, "HAINT: %08x\n", haint.d32); -+ -+ /* Read HCINT */ -+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint); -+ //fprintf(stderr, "HCINT: %08x\n", hcint.d32); -+ -+ /* Read HCCHAR */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ //fprintf(stderr, "HCCHAR: %08x\n", hcchar.d32); -+ -+ /* Clear HCINT */ -+ dwc_write_reg32(&hc_regs->hcint, hcint.d32); -+ -+ /* Clear HAINT */ -+ dwc_write_reg32(&hc_global_regs->haint, haint.d32); -+ -+ /* Clear GINTSTS */ -+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32); -+ -+ /* Read GINTSTS */ -+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts); -+ //fprintf(stderr, "GINTSTS: %08x\n", gintsts.d32); -+} -+#endif /* DWC_HS_ELECT_TST */ -+ -+/** Handles hub class-specific requests. */ -+int dwc_otg_hcd_hub_control(struct usb_hcd *hcd, -+ u16 typeReq, -+ u16 wValue, -+ u16 wIndex, -+ char *buf, -+ u16 wLength) -+{ -+ int retval = 0; -+ -+ dwc_otg_hcd_t *dwc_otg_hcd = hcd_to_dwc_otg_hcd(hcd); -+ dwc_otg_core_if_t *core_if = hcd_to_dwc_otg_hcd(hcd)->core_if; -+ struct usb_hub_descriptor *desc; -+ hprt0_data_t hprt0 = {.d32 = 0}; -+ -+ uint32_t port_status; -+ -+ switch (typeReq) { -+ case ClearHubFeature: -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "ClearHubFeature 0x%x\n", wValue); -+ switch (wValue) { -+ case C_HUB_LOCAL_POWER: -+ case C_HUB_OVER_CURRENT: -+ /* Nothing required here */ -+ break; -+ default: -+ retval = -EINVAL; -+ DWC_ERROR("DWC OTG HCD - " -+ "ClearHubFeature request %xh unknown\n", wValue); -+ } -+ break; -+ case ClearPortFeature: -+ if (!wIndex || wIndex > 1) -+ goto error; -+ -+ switch (wValue) { -+ case USB_PORT_FEAT_ENABLE: -+ DWC_DEBUGPL(DBG_ANY, "DWC OTG HCD HUB CONTROL - " -+ "ClearPortFeature USB_PORT_FEAT_ENABLE\n"); -+ hprt0.d32 = dwc_otg_read_hprt0(core_if); -+ hprt0.b.prtena = 1; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ break; -+ case USB_PORT_FEAT_SUSPEND: -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "ClearPortFeature USB_PORT_FEAT_SUSPEND\n"); -+ hprt0.d32 = dwc_otg_read_hprt0(core_if); -+ hprt0.b.prtres = 1; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ /* Clear Resume bit */ -+ mdelay(100); -+ hprt0.b.prtres = 0; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ break; -+ case USB_PORT_FEAT_POWER: -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "ClearPortFeature USB_PORT_FEAT_POWER\n"); -+ hprt0.d32 = dwc_otg_read_hprt0(core_if); -+ hprt0.b.prtpwr = 0; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ break; -+ case USB_PORT_FEAT_INDICATOR: -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "ClearPortFeature USB_PORT_FEAT_INDICATOR\n"); -+ /* Port inidicator not supported */ -+ break; -+ case USB_PORT_FEAT_C_CONNECTION: -+ /* Clears drivers internal connect status change -+ * flag */ -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "ClearPortFeature USB_PORT_FEAT_C_CONNECTION\n"); -+ dwc_otg_hcd->flags.b.port_connect_status_change = 0; -+ break; -+ case USB_PORT_FEAT_C_RESET: -+ /* Clears the driver's internal Port Reset Change -+ * flag */ -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "ClearPortFeature USB_PORT_FEAT_C_RESET\n"); -+ dwc_otg_hcd->flags.b.port_reset_change = 0; -+ break; -+ case USB_PORT_FEAT_C_ENABLE: -+ /* Clears the driver's internal Port -+ * Enable/Disable Change flag */ -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "ClearPortFeature USB_PORT_FEAT_C_ENABLE\n"); -+ dwc_otg_hcd->flags.b.port_enable_change = 0; -+ break; -+ case USB_PORT_FEAT_C_SUSPEND: -+ /* Clears the driver's internal Port Suspend -+ * Change flag, which is set when resume signaling on -+ * the host port is complete */ -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "ClearPortFeature USB_PORT_FEAT_C_SUSPEND\n"); -+ dwc_otg_hcd->flags.b.port_suspend_change = 0; -+ break; -+ case USB_PORT_FEAT_C_OVER_CURRENT: -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "ClearPortFeature USB_PORT_FEAT_C_OVER_CURRENT\n"); -+ dwc_otg_hcd->flags.b.port_over_current_change = 0; -+ break; -+ default: -+ retval = -EINVAL; -+ DWC_ERROR("DWC OTG HCD - " -+ "ClearPortFeature request %xh " -+ "unknown or unsupported\n", wValue); -+ } -+ break; -+ case GetHubDescriptor: -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "GetHubDescriptor\n"); -+ desc = (struct usb_hub_descriptor *)buf; -+ desc->bDescLength = 9; -+ desc->bDescriptorType = 0x29; -+ desc->bNbrPorts = 1; -+ desc->wHubCharacteristics = 0x08; -+ desc->bPwrOn2PwrGood = 1; -+ desc->bHubContrCurrent = 0; -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39) -+ desc->u.hs.DeviceRemovable[0] = 0; -+ desc->u.hs.DeviceRemovable[1] = 0xff; -+#endif -+ break; -+ case GetHubStatus: -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "GetHubStatus\n"); -+ memset(buf, 0, 4); -+ break; -+ case GetPortStatus: -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "GetPortStatus\n"); -+ -+ if (!wIndex || wIndex > 1) -+ goto error; -+ -+ port_status = 0; -+ -+ if (dwc_otg_hcd->flags.b.port_connect_status_change) -+ port_status |= (1 << USB_PORT_FEAT_C_CONNECTION); -+ -+ if (dwc_otg_hcd->flags.b.port_enable_change) -+ port_status |= (1 << USB_PORT_FEAT_C_ENABLE); -+ -+ if (dwc_otg_hcd->flags.b.port_suspend_change) -+ port_status |= (1 << USB_PORT_FEAT_C_SUSPEND); -+ -+ if (dwc_otg_hcd->flags.b.port_reset_change) -+ port_status |= (1 << USB_PORT_FEAT_C_RESET); -+ -+ if (dwc_otg_hcd->flags.b.port_over_current_change) { -+ DWC_ERROR("Device Not Supported\n"); -+ port_status |= (1 << USB_PORT_FEAT_C_OVER_CURRENT); -+ } -+ -+ if (!dwc_otg_hcd->flags.b.port_connect_status) { -+ /* -+ * The port is disconnected, which means the core is -+ * either in device mode or it soon will be. Just -+ * return 0's for the remainder of the port status -+ * since the port register can't be read if the core -+ * is in device mode. -+ */ -+ *((__le32 *) buf) = cpu_to_le32(port_status); -+ break; -+ } -+ -+ hprt0.d32 = dwc_read_reg32(core_if->host_if->hprt0); -+ DWC_DEBUGPL(DBG_HCDV, " HPRT0: 0x%08x\n", hprt0.d32); -+ -+ if (hprt0.b.prtconnsts) -+ port_status |= (1 << USB_PORT_FEAT_CONNECTION); -+ -+ if (hprt0.b.prtena) -+ port_status |= (1 << USB_PORT_FEAT_ENABLE); -+ -+ if (hprt0.b.prtsusp) -+ port_status |= (1 << USB_PORT_FEAT_SUSPEND); -+ -+ if (hprt0.b.prtovrcurract) -+ port_status |= (1 << USB_PORT_FEAT_OVER_CURRENT); -+ -+ if (hprt0.b.prtrst) -+ port_status |= (1 << USB_PORT_FEAT_RESET); -+ -+ if (hprt0.b.prtpwr) -+ port_status |= (1 << USB_PORT_FEAT_POWER); -+ -+ if (hprt0.b.prtspd == DWC_HPRT0_PRTSPD_HIGH_SPEED) -+ port_status |= USB_PORT_STAT_HIGH_SPEED; -+ else if (hprt0.b.prtspd == DWC_HPRT0_PRTSPD_LOW_SPEED) -+ port_status |= USB_PORT_STAT_LOW_SPEED; -+ -+ if (hprt0.b.prttstctl) -+ port_status |= (1 << USB_PORT_FEAT_TEST); -+ -+ /* USB_PORT_FEAT_INDICATOR unsupported always 0 */ -+ -+ *((__le32 *) buf) = cpu_to_le32(port_status); -+ -+ break; -+ case SetHubFeature: -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "SetHubFeature\n"); -+ /* No HUB features supported */ -+ break; -+ case SetPortFeature: -+ if (wValue != USB_PORT_FEAT_TEST && (!wIndex || wIndex > 1)) -+ goto error; -+ -+ if (!dwc_otg_hcd->flags.b.port_connect_status) { -+ /* -+ * The port is disconnected, which means the core is -+ * either in device mode or it soon will be. Just -+ * return without doing anything since the port -+ * register can't be written if the core is in device -+ * mode. -+ */ -+ break; -+ } -+ -+ switch (wValue) { -+ case USB_PORT_FEAT_SUSPEND: -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "SetPortFeature - USB_PORT_FEAT_SUSPEND\n"); -+ if (hcd->self.otg_port == wIndex && -+ hcd->self.b_hnp_enable) { -+ gotgctl_data_t gotgctl = {.d32=0}; -+ gotgctl.b.hstsethnpen = 1; -+ dwc_modify_reg32(&core_if->core_global_regs->gotgctl, -+ 0, gotgctl.d32); -+ core_if->op_state = A_SUSPEND; -+ } -+ hprt0.d32 = dwc_otg_read_hprt0(core_if); -+ hprt0.b.prtsusp = 1; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ //DWC_PRINT("SUSPEND: HPRT0=%0x\n", hprt0.d32); -+ /* Suspend the Phy Clock */ -+ { -+ pcgcctl_data_t pcgcctl = {.d32=0}; -+ pcgcctl.b.stoppclk = 1; -+ dwc_write_reg32(core_if->pcgcctl, pcgcctl.d32); -+ } -+ -+ /* For HNP the bus must be suspended for at least 200ms. */ -+ if (hcd->self.b_hnp_enable) { -+ mdelay(200); -+ //DWC_PRINT("SUSPEND: wait complete! (%d)\n", _hcd->state); -+ } -+ break; -+ case USB_PORT_FEAT_POWER: -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "SetPortFeature - USB_PORT_FEAT_POWER\n"); -+ hprt0.d32 = dwc_otg_read_hprt0(core_if); -+ hprt0.b.prtpwr = 1; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ break; -+ case USB_PORT_FEAT_RESET: -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "SetPortFeature - USB_PORT_FEAT_RESET\n"); -+ hprt0.d32 = dwc_otg_read_hprt0(core_if); -+ /* When B-Host the Port reset bit is set in -+ * the Start HCD Callback function, so that -+ * the reset is started within 1ms of the HNP -+ * success interrupt. */ -+ if (!hcd->self.is_b_host) { -+ hprt0.b.prtrst = 1; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ } -+ /* Clear reset bit in 10ms (FS/LS) or 50ms (HS) */ -+ MDELAY(60); -+ hprt0.b.prtrst = 0; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ break; -+ -+#ifdef DWC_HS_ELECT_TST -+ case USB_PORT_FEAT_TEST: -+ { -+ uint32_t t; -+ gintmsk_data_t gintmsk; -+ -+ t = (wIndex >> 8); /* MSB wIndex USB */ -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "SetPortFeature - USB_PORT_FEAT_TEST %d\n", t); -+ warn("USB_PORT_FEAT_TEST %d\n", t); -+ if (t < 6) { -+ hprt0.d32 = dwc_otg_read_hprt0(core_if); -+ hprt0.b.prttstctl = t; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ } else { -+ /* Setup global vars with reg addresses (quick and -+ * dirty hack, should be cleaned up) -+ */ -+ global_regs = core_if->core_global_regs; -+ hc_global_regs = core_if->host_if->host_global_regs; -+ hc_regs = (dwc_otg_hc_regs_t *)((char *)global_regs + 0x500); -+ data_fifo = (uint32_t *)((char *)global_regs + 0x1000); -+ -+ if (t == 6) { /* HS_HOST_PORT_SUSPEND_RESUME */ -+ /* Save current interrupt mask */ -+ gintmsk.d32 = dwc_read_reg32(&global_regs->gintmsk); -+ -+ /* Disable all interrupts while we muck with -+ * the hardware directly -+ */ -+ dwc_write_reg32(&global_regs->gintmsk, 0); -+ -+ /* 15 second delay per the test spec */ -+ mdelay(15000); -+ -+ /* Drive suspend on the root port */ -+ hprt0.d32 = dwc_otg_read_hprt0(core_if); -+ hprt0.b.prtsusp = 1; -+ hprt0.b.prtres = 0; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ -+ /* 15 second delay per the test spec */ -+ mdelay(15000); -+ -+ /* Drive resume on the root port */ -+ hprt0.d32 = dwc_otg_read_hprt0(core_if); -+ hprt0.b.prtsusp = 0; -+ hprt0.b.prtres = 1; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ mdelay(100); -+ -+ /* Clear the resume bit */ -+ hprt0.b.prtres = 0; -+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32); -+ -+ /* Restore interrupts */ -+ dwc_write_reg32(&global_regs->gintmsk, gintmsk.d32); -+ } else if (t == 7) { /* SINGLE_STEP_GET_DEVICE_DESCRIPTOR setup */ -+ /* Save current interrupt mask */ -+ gintmsk.d32 = dwc_read_reg32(&global_regs->gintmsk); -+ -+ /* Disable all interrupts while we muck with -+ * the hardware directly -+ */ -+ dwc_write_reg32(&global_regs->gintmsk, 0); -+ -+ /* 15 second delay per the test spec */ -+ mdelay(15000); -+ -+ /* Send the Setup packet */ -+ do_setup(); -+ -+ /* 15 second delay so nothing else happens for awhile */ -+ mdelay(15000); -+ -+ /* Restore interrupts */ -+ dwc_write_reg32(&global_regs->gintmsk, gintmsk.d32); -+ } else if (t == 8) { /* SINGLE_STEP_GET_DEVICE_DESCRIPTOR execute */ -+ /* Save current interrupt mask */ -+ gintmsk.d32 = dwc_read_reg32(&global_regs->gintmsk); -+ -+ /* Disable all interrupts while we muck with -+ * the hardware directly -+ */ -+ dwc_write_reg32(&global_regs->gintmsk, 0); -+ -+ /* Send the Setup packet */ -+ do_setup(); -+ -+ /* 15 second delay so nothing else happens for awhile */ -+ mdelay(15000); -+ -+ /* Send the In and Ack packets */ -+ do_in_ack(); -+ -+ /* 15 second delay so nothing else happens for awhile */ -+ mdelay(15000); -+ -+ /* Restore interrupts */ -+ dwc_write_reg32(&global_regs->gintmsk, gintmsk.d32); -+ } -+ } -+ break; -+ } -+#endif /* DWC_HS_ELECT_TST */ -+ -+ case USB_PORT_FEAT_INDICATOR: -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - " -+ "SetPortFeature - USB_PORT_FEAT_INDICATOR\n"); -+ /* Not supported */ -+ break; -+ default: -+ retval = -EINVAL; -+ DWC_ERROR("DWC OTG HCD - " -+ "SetPortFeature request %xh " -+ "unknown or unsupported\n", wValue); -+ break; -+ } -+ break; -+ default: -+ error: -+ retval = -EINVAL; -+ DWC_WARN("DWC OTG HCD - " -+ "Unknown hub control request type or invalid typeReq: %xh wIndex: %xh wValue: %xh\n", -+ typeReq, wIndex, wValue); -+ break; -+ } -+ -+ return retval; -+} -+ -+/** -+ * Assigns transactions from a QTD to a free host channel and initializes the -+ * host channel to perform the transactions. The host channel is removed from -+ * the free list. -+ * -+ * @param hcd The HCD state structure. -+ * @param qh Transactions from the first QTD for this QH are selected and -+ * assigned to a free host channel. -+ */ -+static void assign_and_init_hc(dwc_otg_hcd_t *hcd, dwc_otg_qh_t *qh) -+{ -+ dwc_hc_t *hc; -+ dwc_otg_qtd_t *qtd; -+ struct urb *urb; -+ -+ DWC_DEBUGPL(DBG_HCDV, "%s(%p,%p)\n", __func__, hcd, qh); -+ -+ hc = list_entry(hcd->free_hc_list.next, dwc_hc_t, hc_list_entry); -+ -+ /* Remove the host channel from the free list. */ -+ list_del_init(&hc->hc_list_entry); -+ -+ qtd = list_entry(qh->qtd_list.next, dwc_otg_qtd_t, qtd_list_entry); -+ urb = qtd->urb; -+ qh->channel = hc; -+ qh->qtd_in_process = qtd; -+ -+ /* -+ * Use usb_pipedevice to determine device address. This address is -+ * 0 before the SET_ADDRESS command and the correct address afterward. -+ */ -+ hc->dev_addr = usb_pipedevice(urb->pipe); -+ hc->ep_num = usb_pipeendpoint(urb->pipe); -+ -+ if (urb->dev->speed == USB_SPEED_LOW) { -+ hc->speed = DWC_OTG_EP_SPEED_LOW; -+ } else if (urb->dev->speed == USB_SPEED_FULL) { -+ hc->speed = DWC_OTG_EP_SPEED_FULL; -+ } else { -+ hc->speed = DWC_OTG_EP_SPEED_HIGH; -+ } -+ -+ hc->max_packet = dwc_max_packet(qh->maxp); -+ -+ hc->xfer_started = 0; -+ hc->halt_status = DWC_OTG_HC_XFER_NO_HALT_STATUS; -+ hc->error_state = (qtd->error_count > 0); -+ hc->halt_on_queue = 0; -+ hc->halt_pending = 0; -+ hc->requests = 0; -+ -+ /* -+ * The following values may be modified in the transfer type section -+ * below. The xfer_len value may be reduced when the transfer is -+ * started to accommodate the max widths of the XferSize and PktCnt -+ * fields in the HCTSIZn register. -+ */ -+ hc->do_ping = qh->ping_state; -+ hc->ep_is_in = (usb_pipein(urb->pipe) != 0); -+ hc->data_pid_start = qh->data_toggle; -+ hc->multi_count = 1; -+ -+ if (hcd->core_if->dma_enable) { -+ hc->xfer_buff = (uint8_t *)urb->transfer_dma + urb->actual_length; -+ } else { -+ hc->xfer_buff = (uint8_t *)urb->transfer_buffer + urb->actual_length; -+ } -+ hc->xfer_len = urb->transfer_buffer_length - urb->actual_length; -+ hc->xfer_count = 0; -+ -+ /* -+ * Set the split attributes -+ */ -+ hc->do_split = 0; -+ if (qh->do_split) { -+ hc->do_split = 1; -+ hc->xact_pos = qtd->isoc_split_pos; -+ hc->complete_split = qtd->complete_split; -+ hc->hub_addr = urb->dev->tt->hub->devnum; -+ hc->port_addr = urb->dev->ttport; -+ } -+ -+ switch (usb_pipetype(urb->pipe)) { -+ case PIPE_CONTROL: -+ hc->ep_type = DWC_OTG_EP_TYPE_CONTROL; -+ switch (qtd->control_phase) { -+ case DWC_OTG_CONTROL_SETUP: -+ DWC_DEBUGPL(DBG_HCDV, " Control setup transaction\n"); -+ hc->do_ping = 0; -+ hc->ep_is_in = 0; -+ hc->data_pid_start = DWC_OTG_HC_PID_SETUP; -+ if (hcd->core_if->dma_enable) { -+ hc->xfer_buff = (uint8_t *)urb->setup_dma; -+ } else { -+ hc->xfer_buff = (uint8_t *)urb->setup_packet; -+ } -+ hc->xfer_len = 8; -+ break; -+ case DWC_OTG_CONTROL_DATA: -+ DWC_DEBUGPL(DBG_HCDV, " Control data transaction\n"); -+ hc->data_pid_start = qtd->data_toggle; -+ break; -+ case DWC_OTG_CONTROL_STATUS: -+ /* -+ * Direction is opposite of data direction or IN if no -+ * data. -+ */ -+ DWC_DEBUGPL(DBG_HCDV, " Control status transaction\n"); -+ if (urb->transfer_buffer_length == 0) { -+ hc->ep_is_in = 1; -+ } else { -+ hc->ep_is_in = (usb_pipein(urb->pipe) != USB_DIR_IN); -+ } -+ if (hc->ep_is_in) { -+ hc->do_ping = 0; -+ } -+ hc->data_pid_start = DWC_OTG_HC_PID_DATA1; -+ hc->xfer_len = 0; -+ if (hcd->core_if->dma_enable) { -+ hc->xfer_buff = (uint8_t *)hcd->status_buf_dma; -+ } else { -+ hc->xfer_buff = (uint8_t *)hcd->status_buf; -+ } -+ break; -+ } -+ break; -+ case PIPE_BULK: -+ hc->ep_type = DWC_OTG_EP_TYPE_BULK; -+ break; -+ case PIPE_INTERRUPT: -+ hc->ep_type = DWC_OTG_EP_TYPE_INTR; -+ break; -+ case PIPE_ISOCHRONOUS: -+ { -+ struct usb_iso_packet_descriptor *frame_desc; -+ frame_desc = &urb->iso_frame_desc[qtd->isoc_frame_index]; -+ hc->ep_type = DWC_OTG_EP_TYPE_ISOC; -+ if (hcd->core_if->dma_enable) { -+ hc->xfer_buff = (uint8_t *)urb->transfer_dma; -+ } else { -+ hc->xfer_buff = (uint8_t *)urb->transfer_buffer; -+ } -+ hc->xfer_buff += frame_desc->offset + qtd->isoc_split_offset; -+ hc->xfer_len = frame_desc->length - qtd->isoc_split_offset; -+ -+ if (hc->xact_pos == DWC_HCSPLIT_XACTPOS_ALL) { -+ if (hc->xfer_len <= 188) { -+ hc->xact_pos = DWC_HCSPLIT_XACTPOS_ALL; -+ } -+ else { -+ hc->xact_pos = DWC_HCSPLIT_XACTPOS_BEGIN; -+ } -+ } -+ } -+ break; -+ } -+ -+ if (hc->ep_type == DWC_OTG_EP_TYPE_INTR || -+ hc->ep_type == DWC_OTG_EP_TYPE_ISOC) { -+ /* -+ * This value may be modified when the transfer is started to -+ * reflect the actual transfer length. -+ */ -+ hc->multi_count = dwc_hb_mult(qh->maxp); -+ } -+ -+ dwc_otg_hc_init(hcd->core_if, hc); -+ hc->qh = qh; -+} -+ -+/** -+ * This function selects transactions from the HCD transfer schedule and -+ * assigns them to available host channels. It is called from HCD interrupt -+ * handler functions. -+ * -+ * @param hcd The HCD state structure. -+ * -+ * @return The types of new transactions that were assigned to host channels. -+ */ -+dwc_otg_transaction_type_e dwc_otg_hcd_select_transactions(dwc_otg_hcd_t *hcd) -+{ -+ struct list_head *qh_ptr; -+ dwc_otg_qh_t *qh; -+ int num_channels; -+ dwc_otg_transaction_type_e ret_val = DWC_OTG_TRANSACTION_NONE; -+ -+#ifdef DEBUG_SOF -+ DWC_DEBUGPL(DBG_HCD, " Select Transactions\n"); -+#endif -+ -+ /* Process entries in the periodic ready list. */ -+ qh_ptr = hcd->periodic_sched_ready.next; -+ while (qh_ptr != &hcd->periodic_sched_ready && -+ !list_empty(&hcd->free_hc_list)) { -+ -+ qh = list_entry(qh_ptr, dwc_otg_qh_t, qh_list_entry); -+ assign_and_init_hc(hcd, qh); -+ -+ /* -+ * Move the QH from the periodic ready schedule to the -+ * periodic assigned schedule. -+ */ -+ qh_ptr = qh_ptr->next; -+ list_move(&qh->qh_list_entry, &hcd->periodic_sched_assigned); -+ -+ ret_val = DWC_OTG_TRANSACTION_PERIODIC; -+ } -+ -+ /* -+ * Process entries in the inactive portion of the non-periodic -+ * schedule. Some free host channels may not be used if they are -+ * reserved for periodic transfers. -+ */ -+ qh_ptr = hcd->non_periodic_sched_inactive.next; -+ num_channels = hcd->core_if->core_params->host_channels; -+ while (qh_ptr != &hcd->non_periodic_sched_inactive && -+ (hcd->non_periodic_channels < -+ num_channels - hcd->periodic_channels) && -+ !list_empty(&hcd->free_hc_list)) { -+ -+ qh = list_entry(qh_ptr, dwc_otg_qh_t, qh_list_entry); -+ assign_and_init_hc(hcd, qh); -+ -+ /* -+ * Move the QH from the non-periodic inactive schedule to the -+ * non-periodic active schedule. -+ */ -+ qh_ptr = qh_ptr->next; -+ list_move(&qh->qh_list_entry, &hcd->non_periodic_sched_active); -+ -+ if (ret_val == DWC_OTG_TRANSACTION_NONE) { -+ ret_val = DWC_OTG_TRANSACTION_NON_PERIODIC; -+ } else { -+ ret_val = DWC_OTG_TRANSACTION_ALL; -+ } -+ -+ hcd->non_periodic_channels++; -+ } -+ -+ return ret_val; -+} -+ -+/** -+ * Attempts to queue a single transaction request for a host channel -+ * associated with either a periodic or non-periodic transfer. This function -+ * assumes that there is space available in the appropriate request queue. For -+ * an OUT transfer or SETUP transaction in Slave mode, it checks whether space -+ * is available in the appropriate Tx FIFO. -+ * -+ * @param hcd The HCD state structure. -+ * @param hc Host channel descriptor associated with either a periodic or -+ * non-periodic transfer. -+ * @param fifo_dwords_avail Number of DWORDs available in the periodic Tx -+ * FIFO for periodic transfers or the non-periodic Tx FIFO for non-periodic -+ * transfers. -+ * -+ * @return 1 if a request is queued and more requests may be needed to -+ * complete the transfer, 0 if no more requests are required for this -+ * transfer, -1 if there is insufficient space in the Tx FIFO. -+ */ -+static int queue_transaction(dwc_otg_hcd_t *hcd, -+ dwc_hc_t *hc, -+ uint16_t fifo_dwords_avail) -+{ -+ int retval; -+ -+ if (hcd->core_if->dma_enable) { -+ if (!hc->xfer_started) { -+ dwc_otg_hc_start_transfer(hcd->core_if, hc); -+ hc->qh->ping_state = 0; -+ } -+ retval = 0; -+ } else if (hc->halt_pending) { -+ /* Don't queue a request if the channel has been halted. */ -+ retval = 0; -+ } else if (hc->halt_on_queue) { -+ dwc_otg_hc_halt(hcd->core_if, hc, hc->halt_status); -+ retval = 0; -+ } else if (hc->do_ping) { -+ if (!hc->xfer_started) { -+ dwc_otg_hc_start_transfer(hcd->core_if, hc); -+ } -+ retval = 0; -+ } else if (!hc->ep_is_in || -+ hc->data_pid_start == DWC_OTG_HC_PID_SETUP) { -+ if ((fifo_dwords_avail * 4) >= hc->max_packet) { -+ if (!hc->xfer_started) { -+ dwc_otg_hc_start_transfer(hcd->core_if, hc); -+ retval = 1; -+ } else { -+ retval = dwc_otg_hc_continue_transfer(hcd->core_if, hc); -+ } -+ } else { -+ retval = -1; -+ } -+ } else { -+ if (!hc->xfer_started) { -+ dwc_otg_hc_start_transfer(hcd->core_if, hc); -+ retval = 1; -+ } else { -+ retval = dwc_otg_hc_continue_transfer(hcd->core_if, hc); -+ } -+ } -+ -+ return retval; -+} -+ -+/** -+ * Processes active non-periodic channels and queues transactions for these -+ * channels to the DWC_otg controller. After queueing transactions, the NP Tx -+ * FIFO Empty interrupt is enabled if there are more transactions to queue as -+ * NP Tx FIFO or request queue space becomes available. Otherwise, the NP Tx -+ * FIFO Empty interrupt is disabled. -+ */ -+static void process_non_periodic_channels(dwc_otg_hcd_t *hcd) -+{ -+ gnptxsts_data_t tx_status; -+ struct list_head *orig_qh_ptr; -+ dwc_otg_qh_t *qh; -+ int status; -+ int no_queue_space = 0; -+ int no_fifo_space = 0; -+ int more_to_do = 0; -+ -+ dwc_otg_core_global_regs_t *global_regs = hcd->core_if->core_global_regs; -+ -+ DWC_DEBUGPL(DBG_HCDV, "Queue non-periodic transactions\n"); -+#ifdef DEBUG -+ tx_status.d32 = dwc_read_reg32(&global_regs->gnptxsts); -+ DWC_DEBUGPL(DBG_HCDV, " NP Tx Req Queue Space Avail (before queue): %d\n", -+ tx_status.b.nptxqspcavail); -+ DWC_DEBUGPL(DBG_HCDV, " NP Tx FIFO Space Avail (before queue): %d\n", -+ tx_status.b.nptxfspcavail); -+#endif -+ /* -+ * Keep track of the starting point. Skip over the start-of-list -+ * entry. -+ */ -+ if (hcd->non_periodic_qh_ptr == &hcd->non_periodic_sched_active) { -+ hcd->non_periodic_qh_ptr = hcd->non_periodic_qh_ptr->next; -+ } -+ orig_qh_ptr = hcd->non_periodic_qh_ptr; -+ -+ /* -+ * Process once through the active list or until no more space is -+ * available in the request queue or the Tx FIFO. -+ */ -+ do { -+ tx_status.d32 = dwc_read_reg32(&global_regs->gnptxsts); -+ if (!hcd->core_if->dma_enable && tx_status.b.nptxqspcavail == 0) { -+ no_queue_space = 1; -+ break; -+ } -+ -+ qh = list_entry(hcd->non_periodic_qh_ptr, dwc_otg_qh_t, qh_list_entry); -+ status = queue_transaction(hcd, qh->channel, tx_status.b.nptxfspcavail); -+ -+ if (status > 0) { -+ more_to_do = 1; -+ } else if (status < 0) { -+ no_fifo_space = 1; -+ break; -+ } -+ -+ /* Advance to next QH, skipping start-of-list entry. */ -+ hcd->non_periodic_qh_ptr = hcd->non_periodic_qh_ptr->next; -+ if (hcd->non_periodic_qh_ptr == &hcd->non_periodic_sched_active) { -+ hcd->non_periodic_qh_ptr = hcd->non_periodic_qh_ptr->next; -+ } -+ -+ } while (hcd->non_periodic_qh_ptr != orig_qh_ptr); -+ -+ if (!hcd->core_if->dma_enable) { -+ gintmsk_data_t intr_mask = {.d32 = 0}; -+ intr_mask.b.nptxfempty = 1; -+ -+#ifdef DEBUG -+ tx_status.d32 = dwc_read_reg32(&global_regs->gnptxsts); -+ DWC_DEBUGPL(DBG_HCDV, " NP Tx Req Queue Space Avail (after queue): %d\n", -+ tx_status.b.nptxqspcavail); -+ DWC_DEBUGPL(DBG_HCDV, " NP Tx FIFO Space Avail (after queue): %d\n", -+ tx_status.b.nptxfspcavail); -+#endif -+ if (more_to_do || no_queue_space || no_fifo_space) { -+ /* -+ * May need to queue more transactions as the request -+ * queue or Tx FIFO empties. Enable the non-periodic -+ * Tx FIFO empty interrupt. (Always use the half-empty -+ * level to ensure that new requests are loaded as -+ * soon as possible.) -+ */ -+ dwc_modify_reg32(&global_regs->gintmsk, 0, intr_mask.d32); -+ } else { -+ /* -+ * Disable the Tx FIFO empty interrupt since there are -+ * no more transactions that need to be queued right -+ * now. This function is called from interrupt -+ * handlers to queue more transactions as transfer -+ * states change. -+ */ -+ dwc_modify_reg32(&global_regs->gintmsk, intr_mask.d32, 0); -+ } -+ } -+} -+ -+/** -+ * Processes periodic channels for the next frame and queues transactions for -+ * these channels to the DWC_otg controller. After queueing transactions, the -+ * Periodic Tx FIFO Empty interrupt is enabled if there are more transactions -+ * to queue as Periodic Tx FIFO or request queue space becomes available. -+ * Otherwise, the Periodic Tx FIFO Empty interrupt is disabled. -+ */ -+static void process_periodic_channels(dwc_otg_hcd_t *hcd) -+{ -+ hptxsts_data_t tx_status; -+ struct list_head *qh_ptr; -+ dwc_otg_qh_t *qh; -+ int status; -+ int no_queue_space = 0; -+ int no_fifo_space = 0; -+ -+ dwc_otg_host_global_regs_t *host_regs; -+ host_regs = hcd->core_if->host_if->host_global_regs; -+ -+ DWC_DEBUGPL(DBG_HCDV, "Queue periodic transactions\n"); -+#ifdef DEBUG -+ tx_status.d32 = dwc_read_reg32(&host_regs->hptxsts); -+ DWC_DEBUGPL(DBG_HCDV, " P Tx Req Queue Space Avail (before queue): %d\n", -+ tx_status.b.ptxqspcavail); -+ DWC_DEBUGPL(DBG_HCDV, " P Tx FIFO Space Avail (before queue): %d\n", -+ tx_status.b.ptxfspcavail); -+#endif -+ -+ qh_ptr = hcd->periodic_sched_assigned.next; -+ while (qh_ptr != &hcd->periodic_sched_assigned) { -+ tx_status.d32 = dwc_read_reg32(&host_regs->hptxsts); -+ if (tx_status.b.ptxqspcavail == 0) { -+ no_queue_space = 1; -+ break; -+ } -+ -+ qh = list_entry(qh_ptr, dwc_otg_qh_t, qh_list_entry); -+ -+ /* -+ * Set a flag if we're queuing high-bandwidth in slave mode. -+ * The flag prevents any halts to get into the request queue in -+ * the middle of multiple high-bandwidth packets getting queued. -+ */ -+ if (!hcd->core_if->dma_enable && -+ qh->channel->multi_count > 1) -+ { -+ hcd->core_if->queuing_high_bandwidth = 1; -+ } -+ -+ status = queue_transaction(hcd, qh->channel, tx_status.b.ptxfspcavail); -+ if (status < 0) { -+ no_fifo_space = 1; -+ break; -+ } -+ -+ /* -+ * In Slave mode, stay on the current transfer until there is -+ * nothing more to do or the high-bandwidth request count is -+ * reached. In DMA mode, only need to queue one request. The -+ * controller automatically handles multiple packets for -+ * high-bandwidth transfers. -+ */ -+ if (hcd->core_if->dma_enable || status == 0 || -+ qh->channel->requests == qh->channel->multi_count) { -+ qh_ptr = qh_ptr->next; -+ /* -+ * Move the QH from the periodic assigned schedule to -+ * the periodic queued schedule. -+ */ -+ list_move(&qh->qh_list_entry, &hcd->periodic_sched_queued); -+ -+ /* done queuing high bandwidth */ -+ hcd->core_if->queuing_high_bandwidth = 0; -+ } -+ } -+ -+ if (!hcd->core_if->dma_enable) { -+ dwc_otg_core_global_regs_t *global_regs; -+ gintmsk_data_t intr_mask = {.d32 = 0}; -+ -+ global_regs = hcd->core_if->core_global_regs; -+ intr_mask.b.ptxfempty = 1; -+#ifdef DEBUG -+ tx_status.d32 = dwc_read_reg32(&host_regs->hptxsts); -+ DWC_DEBUGPL(DBG_HCDV, " P Tx Req Queue Space Avail (after queue): %d\n", -+ tx_status.b.ptxqspcavail); -+ DWC_DEBUGPL(DBG_HCDV, " P Tx FIFO Space Avail (after queue): %d\n", -+ tx_status.b.ptxfspcavail); -+#endif -+ if (!list_empty(&hcd->periodic_sched_assigned) || -+ no_queue_space || no_fifo_space) { -+ /* -+ * May need to queue more transactions as the request -+ * queue or Tx FIFO empties. Enable the periodic Tx -+ * FIFO empty interrupt. (Always use the half-empty -+ * level to ensure that new requests are loaded as -+ * soon as possible.) -+ */ -+ dwc_modify_reg32(&global_regs->gintmsk, 0, intr_mask.d32); -+ } else { -+ /* -+ * Disable the Tx FIFO empty interrupt since there are -+ * no more transactions that need to be queued right -+ * now. This function is called from interrupt -+ * handlers to queue more transactions as transfer -+ * states change. -+ */ -+ dwc_modify_reg32(&global_regs->gintmsk, intr_mask.d32, 0); -+ } -+ } -+} -+ -+/** -+ * This function processes the currently active host channels and queues -+ * transactions for these channels to the DWC_otg controller. It is called -+ * from HCD interrupt handler functions. -+ * -+ * @param hcd The HCD state structure. -+ * @param tr_type The type(s) of transactions to queue (non-periodic, -+ * periodic, or both). -+ */ -+void dwc_otg_hcd_queue_transactions(dwc_otg_hcd_t *hcd, -+ dwc_otg_transaction_type_e tr_type) -+{ -+#ifdef DEBUG_SOF -+ DWC_DEBUGPL(DBG_HCD, "Queue Transactions\n"); -+#endif -+ /* Process host channels associated with periodic transfers. */ -+ if ((tr_type == DWC_OTG_TRANSACTION_PERIODIC || -+ tr_type == DWC_OTG_TRANSACTION_ALL) && -+ !list_empty(&hcd->periodic_sched_assigned)) { -+ -+ process_periodic_channels(hcd); -+ } -+ -+ /* Process host channels associated with non-periodic transfers. */ -+ if (tr_type == DWC_OTG_TRANSACTION_NON_PERIODIC || -+ tr_type == DWC_OTG_TRANSACTION_ALL) { -+ if (!list_empty(&hcd->non_periodic_sched_active)) { -+ process_non_periodic_channels(hcd); -+ } else { -+ /* -+ * Ensure NP Tx FIFO empty interrupt is disabled when -+ * there are no non-periodic transfers to process. -+ */ -+ gintmsk_data_t gintmsk = {.d32 = 0}; -+ gintmsk.b.nptxfempty = 1; -+ dwc_modify_reg32(&hcd->core_if->core_global_regs->gintmsk, -+ gintmsk.d32, 0); -+ } -+ } -+} -+ -+/** -+ * Sets the final status of an URB and returns it to the device driver. Any -+ * required cleanup of the URB is performed. -+ */ -+void dwc_otg_hcd_complete_urb(dwc_otg_hcd_t *hcd, struct urb *urb, int status) -+{ -+#ifdef DEBUG -+ if (CHK_DEBUG_LEVEL(DBG_HCDV | DBG_HCD_URB)) { -+ DWC_PRINT("%s: urb %p, device %d, ep %d %s, status=%d\n", -+ __func__, urb, usb_pipedevice(urb->pipe), -+ usb_pipeendpoint(urb->pipe), -+ usb_pipein(urb->pipe) ? "IN" : "OUT", status); -+ if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS) { -+ int i; -+ for (i = 0; i < urb->number_of_packets; i++) { -+ DWC_PRINT(" ISO Desc %d status: %d\n", -+ i, urb->iso_frame_desc[i].status); -+ } -+ } -+ } -+#endif -+ -+ urb->status = status; -+ urb->hcpriv = NULL; -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -+ usb_hcd_giveback_urb(dwc_otg_hcd_to_hcd(hcd), urb, status); -+#else -+ usb_hcd_giveback_urb(dwc_otg_hcd_to_hcd(hcd), urb, NULL); -+#endif -+} -+ -+/* -+ * Returns the Queue Head for an URB. -+ */ -+dwc_otg_qh_t *dwc_urb_to_qh(struct urb *urb) -+{ -+ struct usb_host_endpoint *ep = dwc_urb_to_endpoint(urb); -+ return (dwc_otg_qh_t *)ep->hcpriv; -+} -+ -+#ifdef DEBUG -+void dwc_print_setup_data(uint8_t *setup) -+{ -+ int i; -+ if (CHK_DEBUG_LEVEL(DBG_HCD)){ -+ DWC_PRINT("Setup Data = MSB "); -+ for (i = 7; i >= 0; i--) DWC_PRINT("%02x ", setup[i]); -+ DWC_PRINT("\n"); -+ DWC_PRINT(" bmRequestType Tranfer = %s\n", (setup[0] & 0x80) ? "Device-to-Host" : "Host-to-Device"); -+ DWC_PRINT(" bmRequestType Type = "); -+ switch ((setup[0] & 0x60) >> 5) { -+ case 0: DWC_PRINT("Standard\n"); break; -+ case 1: DWC_PRINT("Class\n"); break; -+ case 2: DWC_PRINT("Vendor\n"); break; -+ case 3: DWC_PRINT("Reserved\n"); break; -+ } -+ DWC_PRINT(" bmRequestType Recipient = "); -+ switch (setup[0] & 0x1f) { -+ case 0: DWC_PRINT("Device\n"); break; -+ case 1: DWC_PRINT("Interface\n"); break; -+ case 2: DWC_PRINT("Endpoint\n"); break; -+ case 3: DWC_PRINT("Other\n"); break; -+ default: DWC_PRINT("Reserved\n"); break; -+ } -+ DWC_PRINT(" bRequest = 0x%0x\n", setup[1]); -+ DWC_PRINT(" wValue = 0x%0x\n", *((uint16_t *)&setup[2])); -+ DWC_PRINT(" wIndex = 0x%0x\n", *((uint16_t *)&setup[4])); -+ DWC_PRINT(" wLength = 0x%0x\n\n", *((uint16_t *)&setup[6])); -+ } -+} -+#endif -+ -+void dwc_otg_hcd_dump_frrem(dwc_otg_hcd_t *hcd) { -+#if defined(DEBUG) && LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) -+ DWC_PRINT("Frame remaining at SOF:\n"); -+ DWC_PRINT(" samples %u, accum %llu, avg %llu\n", -+ hcd->frrem_samples, hcd->frrem_accum, -+ (hcd->frrem_samples > 0) ? -+ hcd->frrem_accum/hcd->frrem_samples : 0); -+ -+ DWC_PRINT("\n"); -+ DWC_PRINT("Frame remaining at start_transfer (uframe 7):\n"); -+ DWC_PRINT(" samples %u, accum %llu, avg %llu\n", -+ hcd->core_if->hfnum_7_samples, hcd->core_if->hfnum_7_frrem_accum, -+ (hcd->core_if->hfnum_7_samples > 0) ? -+ hcd->core_if->hfnum_7_frrem_accum/hcd->core_if->hfnum_7_samples : 0); -+ DWC_PRINT("Frame remaining at start_transfer (uframe 0):\n"); -+ DWC_PRINT(" samples %u, accum %llu, avg %llu\n", -+ hcd->core_if->hfnum_0_samples, hcd->core_if->hfnum_0_frrem_accum, -+ (hcd->core_if->hfnum_0_samples > 0) ? -+ hcd->core_if->hfnum_0_frrem_accum/hcd->core_if->hfnum_0_samples : 0); -+ DWC_PRINT("Frame remaining at start_transfer (uframe 1-6):\n"); -+ DWC_PRINT(" samples %u, accum %llu, avg %llu\n", -+ hcd->core_if->hfnum_other_samples, hcd->core_if->hfnum_other_frrem_accum, -+ (hcd->core_if->hfnum_other_samples > 0) ? -+ hcd->core_if->hfnum_other_frrem_accum/hcd->core_if->hfnum_other_samples : 0); -+ -+ DWC_PRINT("\n"); -+ DWC_PRINT("Frame remaining at sample point A (uframe 7):\n"); -+ DWC_PRINT(" samples %u, accum %llu, avg %llu\n", -+ hcd->hfnum_7_samples_a, hcd->hfnum_7_frrem_accum_a, -+ (hcd->hfnum_7_samples_a > 0) ? -+ hcd->hfnum_7_frrem_accum_a/hcd->hfnum_7_samples_a : 0); -+ DWC_PRINT("Frame remaining at sample point A (uframe 0):\n"); -+ DWC_PRINT(" samples %u, accum %llu, avg %llu\n", -+ hcd->hfnum_0_samples_a, hcd->hfnum_0_frrem_accum_a, -+ (hcd->hfnum_0_samples_a > 0) ? -+ hcd->hfnum_0_frrem_accum_a/hcd->hfnum_0_samples_a : 0); -+ DWC_PRINT("Frame remaining at sample point A (uframe 1-6):\n"); -+ DWC_PRINT(" samples %u, accum %llu, avg %llu\n", -+ hcd->hfnum_other_samples_a, hcd->hfnum_other_frrem_accum_a, -+ (hcd->hfnum_other_samples_a > 0) ? -+ hcd->hfnum_other_frrem_accum_a/hcd->hfnum_other_samples_a : 0); -+ -+ DWC_PRINT("\n"); -+ DWC_PRINT("Frame remaining at sample point B (uframe 7):\n"); -+ DWC_PRINT(" samples %u, accum %llu, avg %llu\n", -+ hcd->hfnum_7_samples_b, hcd->hfnum_7_frrem_accum_b, -+ (hcd->hfnum_7_samples_b > 0) ? -+ hcd->hfnum_7_frrem_accum_b/hcd->hfnum_7_samples_b : 0); -+ DWC_PRINT("Frame remaining at sample point B (uframe 0):\n"); -+ DWC_PRINT(" samples %u, accum %llu, avg %llu\n", -+ hcd->hfnum_0_samples_b, hcd->hfnum_0_frrem_accum_b, -+ (hcd->hfnum_0_samples_b > 0) ? -+ hcd->hfnum_0_frrem_accum_b/hcd->hfnum_0_samples_b : 0); -+ DWC_PRINT("Frame remaining at sample point B (uframe 1-6):\n"); -+ DWC_PRINT(" samples %u, accum %llu, avg %llu\n", -+ hcd->hfnum_other_samples_b, hcd->hfnum_other_frrem_accum_b, -+ (hcd->hfnum_other_samples_b > 0) ? -+ hcd->hfnum_other_frrem_accum_b/hcd->hfnum_other_samples_b : 0); -+#endif -+} -+ -+void dwc_otg_hcd_dump_state(dwc_otg_hcd_t *hcd) -+{ -+#ifdef DEBUG -+ int num_channels; -+ int i; -+ gnptxsts_data_t np_tx_status; -+ hptxsts_data_t p_tx_status; -+ -+ num_channels = hcd->core_if->core_params->host_channels; -+ DWC_PRINT("\n"); -+ DWC_PRINT("************************************************************\n"); -+ DWC_PRINT("HCD State:\n"); -+ DWC_PRINT(" Num channels: %d\n", num_channels); -+ for (i = 0; i < num_channels; i++) { -+ dwc_hc_t *hc = hcd->hc_ptr_array[i]; -+ DWC_PRINT(" Channel %d:\n", i); -+ DWC_PRINT(" dev_addr: %d, ep_num: %d, ep_is_in: %d\n", -+ hc->dev_addr, hc->ep_num, hc->ep_is_in); -+ DWC_PRINT(" speed: %d\n", hc->speed); -+ DWC_PRINT(" ep_type: %d\n", hc->ep_type); -+ DWC_PRINT(" max_packet: %d\n", hc->max_packet); -+ DWC_PRINT(" data_pid_start: %d\n", hc->data_pid_start); -+ DWC_PRINT(" multi_count: %d\n", hc->multi_count); -+ DWC_PRINT(" xfer_started: %d\n", hc->xfer_started); -+ DWC_PRINT(" xfer_buff: %p\n", hc->xfer_buff); -+ DWC_PRINT(" xfer_len: %d\n", hc->xfer_len); -+ DWC_PRINT(" xfer_count: %d\n", hc->xfer_count); -+ DWC_PRINT(" halt_on_queue: %d\n", hc->halt_on_queue); -+ DWC_PRINT(" halt_pending: %d\n", hc->halt_pending); -+ DWC_PRINT(" halt_status: %d\n", hc->halt_status); -+ DWC_PRINT(" do_split: %d\n", hc->do_split); -+ DWC_PRINT(" complete_split: %d\n", hc->complete_split); -+ DWC_PRINT(" hub_addr: %d\n", hc->hub_addr); -+ DWC_PRINT(" port_addr: %d\n", hc->port_addr); -+ DWC_PRINT(" xact_pos: %d\n", hc->xact_pos); -+ DWC_PRINT(" requests: %d\n", hc->requests); -+ DWC_PRINT(" qh: %p\n", hc->qh); -+ if (hc->xfer_started) { -+ hfnum_data_t hfnum; -+ hcchar_data_t hcchar; -+ hctsiz_data_t hctsiz; -+ hcint_data_t hcint; -+ hcintmsk_data_t hcintmsk; -+ hfnum.d32 = dwc_read_reg32(&hcd->core_if->host_if->host_global_regs->hfnum); -+ hcchar.d32 = dwc_read_reg32(&hcd->core_if->host_if->hc_regs[i]->hcchar); -+ hctsiz.d32 = dwc_read_reg32(&hcd->core_if->host_if->hc_regs[i]->hctsiz); -+ hcint.d32 = dwc_read_reg32(&hcd->core_if->host_if->hc_regs[i]->hcint); -+ hcintmsk.d32 = dwc_read_reg32(&hcd->core_if->host_if->hc_regs[i]->hcintmsk); -+ DWC_PRINT(" hfnum: 0x%08x\n", hfnum.d32); -+ DWC_PRINT(" hcchar: 0x%08x\n", hcchar.d32); -+ DWC_PRINT(" hctsiz: 0x%08x\n", hctsiz.d32); -+ DWC_PRINT(" hcint: 0x%08x\n", hcint.d32); -+ DWC_PRINT(" hcintmsk: 0x%08x\n", hcintmsk.d32); -+ } -+ if (hc->xfer_started && hc->qh && hc->qh->qtd_in_process) { -+ dwc_otg_qtd_t *qtd; -+ struct urb *urb; -+ qtd = hc->qh->qtd_in_process; -+ urb = qtd->urb; -+ DWC_PRINT(" URB Info:\n"); -+ DWC_PRINT(" qtd: %p, urb: %p\n", qtd, urb); -+ if (urb) { -+ DWC_PRINT(" Dev: %d, EP: %d %s\n", -+ usb_pipedevice(urb->pipe), usb_pipeendpoint(urb->pipe), -+ usb_pipein(urb->pipe) ? "IN" : "OUT"); -+ DWC_PRINT(" Max packet size: %d\n", -+ usb_maxpacket(urb->dev, urb->pipe, usb_pipeout(urb->pipe))); -+ DWC_PRINT(" transfer_buffer: %p\n", urb->transfer_buffer); -+ DWC_PRINT(" transfer_dma: %p\n", (void *)urb->transfer_dma); -+ DWC_PRINT(" transfer_buffer_length: %d\n", urb->transfer_buffer_length); -+ DWC_PRINT(" actual_length: %d\n", urb->actual_length); -+ } -+ } -+ } -+ DWC_PRINT(" non_periodic_channels: %d\n", hcd->non_periodic_channels); -+ DWC_PRINT(" periodic_channels: %d\n", hcd->periodic_channels); -+ DWC_PRINT(" periodic_usecs: %d\n", hcd->periodic_usecs); -+ np_tx_status.d32 = dwc_read_reg32(&hcd->core_if->core_global_regs->gnptxsts); -+ DWC_PRINT(" NP Tx Req Queue Space Avail: %d\n", np_tx_status.b.nptxqspcavail); -+ DWC_PRINT(" NP Tx FIFO Space Avail: %d\n", np_tx_status.b.nptxfspcavail); -+ p_tx_status.d32 = dwc_read_reg32(&hcd->core_if->host_if->host_global_regs->hptxsts); -+ DWC_PRINT(" P Tx Req Queue Space Avail: %d\n", p_tx_status.b.ptxqspcavail); -+ DWC_PRINT(" P Tx FIFO Space Avail: %d\n", p_tx_status.b.ptxfspcavail); -+ dwc_otg_hcd_dump_frrem(hcd); -+ dwc_otg_dump_global_registers(hcd->core_if); -+ dwc_otg_dump_host_registers(hcd->core_if); -+ DWC_PRINT("************************************************************\n"); -+ DWC_PRINT("\n"); -+#endif -+} -+#endif /* DWC_DEVICE_ONLY */ ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_hcd.h -@@ -0,0 +1,668 @@ -+/* ========================================================================== -+ * $File: //dwh/usb_iip/dev/software/otg/linux/drivers/dwc_otg_hcd.h $ -+ * $Revision: 1.3 $ -+ * $Date: 2008-12-15 06:51:32 $ -+ * $Change: 1064918 $ -+ * -+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, -+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless -+ * otherwise expressly agreed to in writing between Synopsys and you. -+ * -+ * The Software IS NOT an item of Licensed Software or Licensed Product under -+ * any End User Software License Agreement or Agreement for Licensed Product -+ * with Synopsys or any supplement thereto. You are permitted to use and -+ * redistribute this Software in source and binary forms, with or without -+ * modification, provided that redistributions of source code must retain this -+ * notice. You may not view, use, disclose, copy or distribute this file or -+ * any information contained herein except pursuant to this license grant from -+ * Synopsys. If you do not agree with this notice, including the disclaimer -+ * below, then you are not authorized to use the Software. -+ * -+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS -+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, -+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH -+ * DAMAGE. -+ * ========================================================================== */ -+#ifndef DWC_DEVICE_ONLY -+#ifndef __DWC_HCD_H__ -+#define __DWC_HCD_H__ -+ -+#include <linux/list.h> -+#include <linux/usb.h> -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35) -+#include <linux/usb/hcd.h> -+#else -+#include <../drivers/usb/core/hcd.h> -+#endif -+ -+struct dwc_otg_device; -+ -+#include "dwc_otg_cil.h" -+ -+/** -+ * @file -+ * -+ * This file contains the structures, constants, and interfaces for -+ * the Host Contoller Driver (HCD). -+ * -+ * The Host Controller Driver (HCD) is responsible for translating requests -+ * from the USB Driver into the appropriate actions on the DWC_otg controller. -+ * It isolates the USBD from the specifics of the controller by providing an -+ * API to the USBD. -+ */ -+ -+/** -+ * Phases for control transfers. -+ */ -+typedef enum dwc_otg_control_phase { -+ DWC_OTG_CONTROL_SETUP, -+ DWC_OTG_CONTROL_DATA, -+ DWC_OTG_CONTROL_STATUS -+} dwc_otg_control_phase_e; -+ -+/** Transaction types. */ -+typedef enum dwc_otg_transaction_type { -+ DWC_OTG_TRANSACTION_NONE, -+ DWC_OTG_TRANSACTION_PERIODIC, -+ DWC_OTG_TRANSACTION_NON_PERIODIC, -+ DWC_OTG_TRANSACTION_ALL -+} dwc_otg_transaction_type_e; -+ -+/** -+ * A Queue Transfer Descriptor (QTD) holds the state of a bulk, control, -+ * interrupt, or isochronous transfer. A single QTD is created for each URB -+ * (of one of these types) submitted to the HCD. The transfer associated with -+ * a QTD may require one or multiple transactions. -+ * -+ * A QTD is linked to a Queue Head, which is entered in either the -+ * non-periodic or periodic schedule for execution. When a QTD is chosen for -+ * execution, some or all of its transactions may be executed. After -+ * execution, the state of the QTD is updated. The QTD may be retired if all -+ * its transactions are complete or if an error occurred. Otherwise, it -+ * remains in the schedule so more transactions can be executed later. -+ */ -+typedef struct dwc_otg_qtd { -+ /** -+ * Determines the PID of the next data packet for the data phase of -+ * control transfers. Ignored for other transfer types.<br> -+ * One of the following values: -+ * - DWC_OTG_HC_PID_DATA0 -+ * - DWC_OTG_HC_PID_DATA1 -+ */ -+ uint8_t data_toggle; -+ -+ /** Current phase for control transfers (Setup, Data, or Status). */ -+ dwc_otg_control_phase_e control_phase; -+ -+ /** Keep track of the current split type -+ * for FS/LS endpoints on a HS Hub */ -+ uint8_t complete_split; -+ -+ /** How many bytes transferred during SSPLIT OUT */ -+ uint32_t ssplit_out_xfer_count; -+ -+ /** -+ * Holds the number of bus errors that have occurred for a transaction -+ * within this transfer. -+ */ -+ uint8_t error_count; -+ -+ /** -+ * Index of the next frame descriptor for an isochronous transfer. A -+ * frame descriptor describes the buffer position and length of the -+ * data to be transferred in the next scheduled (micro)frame of an -+ * isochronous transfer. It also holds status for that transaction. -+ * The frame index starts at 0. -+ */ -+ int isoc_frame_index; -+ -+ /** Position of the ISOC split on full/low speed */ -+ uint8_t isoc_split_pos; -+ -+ /** Position of the ISOC split in the buffer for the current frame */ -+ uint16_t isoc_split_offset; -+ -+ /** URB for this transfer */ -+ struct urb *urb; -+ -+ /** This list of QTDs */ -+ struct list_head qtd_list_entry; -+ -+} dwc_otg_qtd_t; -+ -+/** -+ * A Queue Head (QH) holds the static characteristics of an endpoint and -+ * maintains a list of transfers (QTDs) for that endpoint. A QH structure may -+ * be entered in either the non-periodic or periodic schedule. -+ */ -+typedef struct dwc_otg_qh { -+ /** -+ * Endpoint type. -+ * One of the following values: -+ * - USB_ENDPOINT_XFER_CONTROL -+ * - USB_ENDPOINT_XFER_ISOC -+ * - USB_ENDPOINT_XFER_BULK -+ * - USB_ENDPOINT_XFER_INT -+ */ -+ uint8_t ep_type; -+ uint8_t ep_is_in; -+ -+ /** wMaxPacketSize Field of Endpoint Descriptor. */ -+ uint16_t maxp; -+ -+ /** -+ * Determines the PID of the next data packet for non-control -+ * transfers. Ignored for control transfers.<br> -+ * One of the following values: -+ * - DWC_OTG_HC_PID_DATA0 -+ * - DWC_OTG_HC_PID_DATA1 -+ */ -+ uint8_t data_toggle; -+ -+ /** Ping state if 1. */ -+ uint8_t ping_state; -+ -+ /** -+ * List of QTDs for this QH. -+ */ -+ struct list_head qtd_list; -+ -+ /** Host channel currently processing transfers for this QH. */ -+ dwc_hc_t *channel; -+ -+ /** QTD currently assigned to a host channel for this QH. */ -+ dwc_otg_qtd_t *qtd_in_process; -+ -+ /** Full/low speed endpoint on high-speed hub requires split. */ -+ uint8_t do_split; -+ -+ /** @name Periodic schedule information */ -+ /** @{ */ -+ -+ /** Bandwidth in microseconds per (micro)frame. */ -+ uint8_t usecs; -+ -+ /** Interval between transfers in (micro)frames. */ -+ uint16_t interval; -+ -+ /** -+ * (micro)frame to initialize a periodic transfer. The transfer -+ * executes in the following (micro)frame. -+ */ -+ uint16_t sched_frame; -+ -+ /** (micro)frame at which last start split was initialized. */ -+ uint16_t start_split_frame; -+ -+ /** @} */ -+ -+ /** Entry for QH in either the periodic or non-periodic schedule. */ -+ struct list_head qh_list_entry; -+ -+ /* For non-dword aligned buffer support */ -+ uint8_t *dw_align_buf; -+ dma_addr_t dw_align_buf_dma; -+} dwc_otg_qh_t; -+ -+/** -+ * This structure holds the state of the HCD, including the non-periodic and -+ * periodic schedules. -+ */ -+typedef struct dwc_otg_hcd { -+ /** The DWC otg device pointer */ -+ struct dwc_otg_device *otg_dev; -+ -+ /** DWC OTG Core Interface Layer */ -+ dwc_otg_core_if_t *core_if; -+ -+ /** Internal DWC HCD Flags */ -+ volatile union dwc_otg_hcd_internal_flags { -+ uint32_t d32; -+ struct { -+ unsigned port_connect_status_change : 1; -+ unsigned port_connect_status : 1; -+ unsigned port_reset_change : 1; -+ unsigned port_enable_change : 1; -+ unsigned port_suspend_change : 1; -+ unsigned port_over_current_change : 1; -+ unsigned reserved : 27; -+ } b; -+ } flags; -+ -+ /** -+ * Inactive items in the non-periodic schedule. This is a list of -+ * Queue Heads. Transfers associated with these Queue Heads are not -+ * currently assigned to a host channel. -+ */ -+ struct list_head non_periodic_sched_inactive; -+ -+ /** -+ * Active items in the non-periodic schedule. This is a list of -+ * Queue Heads. Transfers associated with these Queue Heads are -+ * currently assigned to a host channel. -+ */ -+ struct list_head non_periodic_sched_active; -+ -+ /** -+ * Pointer to the next Queue Head to process in the active -+ * non-periodic schedule. -+ */ -+ struct list_head *non_periodic_qh_ptr; -+ -+ /** -+ * Inactive items in the periodic schedule. This is a list of QHs for -+ * periodic transfers that are _not_ scheduled for the next frame. -+ * Each QH in the list has an interval counter that determines when it -+ * needs to be scheduled for execution. This scheduling mechanism -+ * allows only a simple calculation for periodic bandwidth used (i.e. -+ * must assume that all periodic transfers may need to execute in the -+ * same frame). However, it greatly simplifies scheduling and should -+ * be sufficient for the vast majority of OTG hosts, which need to -+ * connect to a small number of peripherals at one time. -+ * -+ * Items move from this list to periodic_sched_ready when the QH -+ * interval counter is 0 at SOF. -+ */ -+ struct list_head periodic_sched_inactive; -+ -+ /** -+ * List of periodic QHs that are ready for execution in the next -+ * frame, but have not yet been assigned to host channels. -+ * -+ * Items move from this list to periodic_sched_assigned as host -+ * channels become available during the current frame. -+ */ -+ struct list_head periodic_sched_ready; -+ -+ /** -+ * List of periodic QHs to be executed in the next frame that are -+ * assigned to host channels. -+ * -+ * Items move from this list to periodic_sched_queued as the -+ * transactions for the QH are queued to the DWC_otg controller. -+ */ -+ struct list_head periodic_sched_assigned; -+ -+ /** -+ * List of periodic QHs that have been queued for execution. -+ * -+ * Items move from this list to either periodic_sched_inactive or -+ * periodic_sched_ready when the channel associated with the transfer -+ * is released. If the interval for the QH is 1, the item moves to -+ * periodic_sched_ready because it must be rescheduled for the next -+ * frame. Otherwise, the item moves to periodic_sched_inactive. -+ */ -+ struct list_head periodic_sched_queued; -+ -+ /** -+ * Total bandwidth claimed so far for periodic transfers. This value -+ * is in microseconds per (micro)frame. The assumption is that all -+ * periodic transfers may occur in the same (micro)frame. -+ */ -+ uint16_t periodic_usecs; -+ -+ /** -+ * Frame number read from the core at SOF. The value ranges from 0 to -+ * DWC_HFNUM_MAX_FRNUM. -+ */ -+ uint16_t frame_number; -+ -+ /** -+ * Free host channels in the controller. This is a list of -+ * dwc_hc_t items. -+ */ -+ struct list_head free_hc_list; -+ -+ /** -+ * Number of host channels assigned to periodic transfers. Currently -+ * assuming that there is a dedicated host channel for each periodic -+ * transaction and at least one host channel available for -+ * non-periodic transactions. -+ */ -+ int periodic_channels; -+ -+ /** -+ * Number of host channels assigned to non-periodic transfers. -+ */ -+ int non_periodic_channels; -+ -+ /** -+ * Array of pointers to the host channel descriptors. Allows accessing -+ * a host channel descriptor given the host channel number. This is -+ * useful in interrupt handlers. -+ */ -+ dwc_hc_t *hc_ptr_array[MAX_EPS_CHANNELS]; -+ -+ /** -+ * Buffer to use for any data received during the status phase of a -+ * control transfer. Normally no data is transferred during the status -+ * phase. This buffer is used as a bit bucket. -+ */ -+ uint8_t *status_buf; -+ -+ /** -+ * DMA address for status_buf. -+ */ -+ dma_addr_t status_buf_dma; -+#define DWC_OTG_HCD_STATUS_BUF_SIZE 64 -+ -+ /** -+ * Structure to allow starting the HCD in a non-interrupt context -+ * during an OTG role change. -+ */ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) -+ struct work_struct start_work; -+#else -+ struct delayed_work start_work; -+#endif -+ -+ /** -+ * Connection timer. An OTG host must display a message if the device -+ * does not connect. Started when the VBus power is turned on via -+ * sysfs attribute "buspower". -+ */ -+ struct timer_list conn_timer; -+ -+ /* Tasket to do a reset */ -+ struct tasklet_struct *reset_tasklet; -+ -+ /* */ -+ spinlock_t lock; -+ -+#ifdef DEBUG -+ uint32_t frrem_samples; -+ uint64_t frrem_accum; -+ -+ uint32_t hfnum_7_samples_a; -+ uint64_t hfnum_7_frrem_accum_a; -+ uint32_t hfnum_0_samples_a; -+ uint64_t hfnum_0_frrem_accum_a; -+ uint32_t hfnum_other_samples_a; -+ uint64_t hfnum_other_frrem_accum_a; -+ -+ uint32_t hfnum_7_samples_b; -+ uint64_t hfnum_7_frrem_accum_b; -+ uint32_t hfnum_0_samples_b; -+ uint64_t hfnum_0_frrem_accum_b; -+ uint32_t hfnum_other_samples_b; -+ uint64_t hfnum_other_frrem_accum_b; -+#endif -+} dwc_otg_hcd_t; -+ -+/** Gets the dwc_otg_hcd from a struct usb_hcd */ -+static inline dwc_otg_hcd_t *hcd_to_dwc_otg_hcd(struct usb_hcd *hcd) -+{ -+ return (dwc_otg_hcd_t *)(hcd->hcd_priv); -+} -+ -+/** Gets the struct usb_hcd that contains a dwc_otg_hcd_t. */ -+static inline struct usb_hcd *dwc_otg_hcd_to_hcd(dwc_otg_hcd_t *dwc_otg_hcd) -+{ -+ return container_of((void *)dwc_otg_hcd, struct usb_hcd, hcd_priv); -+} -+ -+/** @name HCD Create/Destroy Functions */ -+/** @{ */ -+extern int dwc_otg_hcd_init(struct device *dev); -+extern void dwc_otg_hcd_remove(struct device *dev); -+/** @} */ -+ -+/** @name Linux HC Driver API Functions */ -+/** @{ */ -+ -+extern int dwc_otg_hcd_start(struct usb_hcd *hcd); -+extern void dwc_otg_hcd_stop(struct usb_hcd *hcd); -+extern int dwc_otg_hcd_get_frame_number(struct usb_hcd *hcd); -+extern void dwc_otg_hcd_free(struct usb_hcd *hcd); -+extern int dwc_otg_hcd_urb_enqueue(struct usb_hcd *hcd, -+ struct urb *urb, -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) -+ int mem_flags -+#else -+ gfp_t mem_flags -+#endif -+ ); -+extern int dwc_otg_hcd_urb_dequeue(struct usb_hcd *hcd, -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) -+#endif -+ struct urb *urb, int status); -+extern void dwc_otg_hcd_endpoint_disable(struct usb_hcd *hcd, -+ struct usb_host_endpoint *ep); -+extern irqreturn_t dwc_otg_hcd_irq(struct usb_hcd *hcd -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) -+ , struct pt_regs *regs -+#endif -+ ); -+extern int dwc_otg_hcd_hub_status_data(struct usb_hcd *hcd, -+ char *buf); -+extern int dwc_otg_hcd_hub_control(struct usb_hcd *hcd, -+ u16 typeReq, -+ u16 wValue, -+ u16 wIndex, -+ char *buf, -+ u16 wLength); -+ -+/** @} */ -+ -+/** @name Transaction Execution Functions */ -+/** @{ */ -+extern dwc_otg_transaction_type_e dwc_otg_hcd_select_transactions(dwc_otg_hcd_t *hcd); -+extern void dwc_otg_hcd_queue_transactions(dwc_otg_hcd_t *hcd, -+ dwc_otg_transaction_type_e tr_type); -+extern void dwc_otg_hcd_complete_urb(dwc_otg_hcd_t *_hcd, struct urb *urb, -+ int status); -+/** @} */ -+ -+/** @name Interrupt Handler Functions */ -+/** @{ */ -+extern int32_t dwc_otg_hcd_handle_intr(dwc_otg_hcd_t *dwc_otg_hcd); -+extern int32_t dwc_otg_hcd_handle_sof_intr(dwc_otg_hcd_t *dwc_otg_hcd); -+extern int32_t dwc_otg_hcd_handle_rx_status_q_level_intr(dwc_otg_hcd_t *dwc_otg_hcd); -+extern int32_t dwc_otg_hcd_handle_np_tx_fifo_empty_intr(dwc_otg_hcd_t *dwc_otg_hcd); -+extern int32_t dwc_otg_hcd_handle_perio_tx_fifo_empty_intr(dwc_otg_hcd_t *dwc_otg_hcd); -+extern int32_t dwc_otg_hcd_handle_incomplete_periodic_intr(dwc_otg_hcd_t *dwc_otg_hcd); -+extern int32_t dwc_otg_hcd_handle_port_intr(dwc_otg_hcd_t *dwc_otg_hcd); -+extern int32_t dwc_otg_hcd_handle_conn_id_status_change_intr(dwc_otg_hcd_t *dwc_otg_hcd); -+extern int32_t dwc_otg_hcd_handle_disconnect_intr(dwc_otg_hcd_t *dwc_otg_hcd); -+extern int32_t dwc_otg_hcd_handle_hc_intr(dwc_otg_hcd_t *dwc_otg_hcd); -+extern int32_t dwc_otg_hcd_handle_hc_n_intr(dwc_otg_hcd_t *dwc_otg_hcd, uint32_t num); -+extern int32_t dwc_otg_hcd_handle_session_req_intr(dwc_otg_hcd_t *dwc_otg_hcd); -+extern int32_t dwc_otg_hcd_handle_wakeup_detected_intr(dwc_otg_hcd_t *dwc_otg_hcd); -+/** @} */ -+ -+ -+/** @name Schedule Queue Functions */ -+/** @{ */ -+ -+/* Implemented in dwc_otg_hcd_queue.c */ -+extern dwc_otg_qh_t *dwc_otg_hcd_qh_create(dwc_otg_hcd_t *hcd, struct urb *urb); -+extern void dwc_otg_hcd_qh_init(dwc_otg_hcd_t *hcd, dwc_otg_qh_t *qh, struct urb *urb); -+extern void dwc_otg_hcd_qh_free(dwc_otg_hcd_t *hcd, dwc_otg_qh_t *qh); -+extern int dwc_otg_hcd_qh_add(dwc_otg_hcd_t *hcd, dwc_otg_qh_t *qh); -+extern void dwc_otg_hcd_qh_remove(dwc_otg_hcd_t *hcd, dwc_otg_qh_t *qh); -+extern void dwc_otg_hcd_qh_deactivate(dwc_otg_hcd_t *hcd, dwc_otg_qh_t *qh, int sched_csplit); -+ -+/** Remove and free a QH */ -+static inline void dwc_otg_hcd_qh_remove_and_free(dwc_otg_hcd_t *hcd, -+ dwc_otg_qh_t *qh) -+{ -+ dwc_otg_hcd_qh_remove(hcd, qh); -+ dwc_otg_hcd_qh_free(hcd, qh); -+} -+ -+/** Allocates memory for a QH structure. -+ * @return Returns the memory allocate or NULL on error. */ -+static inline dwc_otg_qh_t *dwc_otg_hcd_qh_alloc(void) -+{ -+ return (dwc_otg_qh_t *) kmalloc(sizeof(dwc_otg_qh_t), GFP_KERNEL); -+} -+ -+extern dwc_otg_qtd_t *dwc_otg_hcd_qtd_create(struct urb *urb); -+extern void dwc_otg_hcd_qtd_init(dwc_otg_qtd_t *qtd, struct urb *urb); -+extern int dwc_otg_hcd_qtd_add(dwc_otg_qtd_t *qtd, dwc_otg_hcd_t *dwc_otg_hcd); -+ -+/** Allocates memory for a QTD structure. -+ * @return Returns the memory allocate or NULL on error. */ -+static inline dwc_otg_qtd_t *dwc_otg_hcd_qtd_alloc(void) -+{ -+ return (dwc_otg_qtd_t *) kmalloc(sizeof(dwc_otg_qtd_t), GFP_KERNEL); -+} -+ -+/** Frees the memory for a QTD structure. QTD should already be removed from -+ * list. -+ * @param[in] qtd QTD to free.*/ -+static inline void dwc_otg_hcd_qtd_free(dwc_otg_qtd_t *qtd) -+{ -+ kfree(qtd); -+} -+ -+/** Removes a QTD from list. -+ * @param[in] hcd HCD instance. -+ * @param[in] qtd QTD to remove from list. */ -+static inline void dwc_otg_hcd_qtd_remove(dwc_otg_hcd_t *hcd, dwc_otg_qtd_t *qtd) -+{ -+ unsigned long flags; -+ SPIN_LOCK_IRQSAVE(&hcd->lock, flags); -+ list_del(&qtd->qtd_list_entry); -+ SPIN_UNLOCK_IRQRESTORE(&hcd->lock, flags); -+} -+ -+/** Remove and free a QTD */ -+static inline void dwc_otg_hcd_qtd_remove_and_free(dwc_otg_hcd_t *hcd, dwc_otg_qtd_t *qtd) -+{ -+ dwc_otg_hcd_qtd_remove(hcd, qtd); -+ dwc_otg_hcd_qtd_free(qtd); -+} -+ -+/** @} */ -+ -+ -+/** @name Internal Functions */ -+/** @{ */ -+dwc_otg_qh_t *dwc_urb_to_qh(struct urb *urb); -+void dwc_otg_hcd_dump_frrem(dwc_otg_hcd_t *hcd); -+void dwc_otg_hcd_dump_state(dwc_otg_hcd_t *hcd); -+/** @} */ -+ -+/** Gets the usb_host_endpoint associated with an URB. */ -+static inline struct usb_host_endpoint *dwc_urb_to_endpoint(struct urb *urb) -+{ -+ struct usb_device *dev = urb->dev; -+ int ep_num = usb_pipeendpoint(urb->pipe); -+ -+ if (usb_pipein(urb->pipe)) -+ return dev->ep_in[ep_num]; -+ else -+ return dev->ep_out[ep_num]; -+} -+ -+/** -+ * Gets the endpoint number from a _bEndpointAddress argument. The endpoint is -+ * qualified with its direction (possible 32 endpoints per device). -+ */ -+#define dwc_ep_addr_to_endpoint(_bEndpointAddress_) ((_bEndpointAddress_ & USB_ENDPOINT_NUMBER_MASK) | \ -+ ((_bEndpointAddress_ & USB_DIR_IN) != 0) << 4) -+ -+/** Gets the QH that contains the list_head */ -+#define dwc_list_to_qh(_list_head_ptr_) container_of(_list_head_ptr_, dwc_otg_qh_t, qh_list_entry) -+ -+/** Gets the QTD that contains the list_head */ -+#define dwc_list_to_qtd(_list_head_ptr_) container_of(_list_head_ptr_, dwc_otg_qtd_t, qtd_list_entry) -+ -+/** Check if QH is non-periodic */ -+#define dwc_qh_is_non_per(_qh_ptr_) ((_qh_ptr_->ep_type == USB_ENDPOINT_XFER_BULK) || \ -+ (_qh_ptr_->ep_type == USB_ENDPOINT_XFER_CONTROL)) -+ -+/** High bandwidth multiplier as encoded in highspeed endpoint descriptors */ -+#define dwc_hb_mult(wMaxPacketSize) (1 + (((wMaxPacketSize) >> 11) & 0x03)) -+ -+/** Packet size for any kind of endpoint descriptor */ -+#define dwc_max_packet(wMaxPacketSize) ((wMaxPacketSize) & 0x07ff) -+ -+/** -+ * Returns true if _frame1 is less than or equal to _frame2. The comparison is -+ * done modulo DWC_HFNUM_MAX_FRNUM. This accounts for the rollover of the -+ * frame number when the max frame number is reached. -+ */ -+static inline int dwc_frame_num_le(uint16_t frame1, uint16_t frame2) -+{ -+ return ((frame2 - frame1) & DWC_HFNUM_MAX_FRNUM) <= -+ (DWC_HFNUM_MAX_FRNUM >> 1); -+} -+ -+/** -+ * Returns true if _frame1 is greater than _frame2. The comparison is done -+ * modulo DWC_HFNUM_MAX_FRNUM. This accounts for the rollover of the frame -+ * number when the max frame number is reached. -+ */ -+static inline int dwc_frame_num_gt(uint16_t frame1, uint16_t frame2) -+{ -+ return (frame1 != frame2) && -+ (((frame1 - frame2) & DWC_HFNUM_MAX_FRNUM) < -+ (DWC_HFNUM_MAX_FRNUM >> 1)); -+} -+ -+/** -+ * Increments _frame by the amount specified by _inc. The addition is done -+ * modulo DWC_HFNUM_MAX_FRNUM. Returns the incremented value. -+ */ -+static inline uint16_t dwc_frame_num_inc(uint16_t frame, uint16_t inc) -+{ -+ return (frame + inc) & DWC_HFNUM_MAX_FRNUM; -+} -+ -+static inline uint16_t dwc_full_frame_num(uint16_t frame) -+{ -+ return (frame & DWC_HFNUM_MAX_FRNUM) >> 3; -+} -+ -+static inline uint16_t dwc_micro_frame_num(uint16_t frame) -+{ -+ return frame & 0x7; -+} -+ -+#ifdef DEBUG -+/** -+ * Macro to sample the remaining PHY clocks left in the current frame. This -+ * may be used during debugging to determine the average time it takes to -+ * execute sections of code. There are two possible sample points, "a" and -+ * "b", so the _letter argument must be one of these values. -+ * -+ * To dump the average sample times, read the "hcd_frrem" sysfs attribute. For -+ * example, "cat /sys/devices/lm0/hcd_frrem". -+ */ -+#define dwc_sample_frrem(_hcd, _qh, _letter) \ -+{ \ -+ hfnum_data_t hfnum; \ -+ dwc_otg_qtd_t *qtd; \ -+ qtd = list_entry(_qh->qtd_list.next, dwc_otg_qtd_t, qtd_list_entry); \ -+ if (usb_pipeint(qtd->urb->pipe) && _qh->start_split_frame != 0 && !qtd->complete_split) { \ -+ hfnum.d32 = dwc_read_reg32(&_hcd->core_if->host_if->host_global_regs->hfnum); \ -+ switch (hfnum.b.frnum & 0x7) { \ -+ case 7: \ -+ _hcd->hfnum_7_samples_##_letter++; \ -+ _hcd->hfnum_7_frrem_accum_##_letter += hfnum.b.frrem; \ -+ break; \ -+ case 0: \ -+ _hcd->hfnum_0_samples_##_letter++; \ -+ _hcd->hfnum_0_frrem_accum_##_letter += hfnum.b.frrem; \ -+ break; \ -+ default: \ -+ _hcd->hfnum_other_samples_##_letter++; \ -+ _hcd->hfnum_other_frrem_accum_##_letter += hfnum.b.frrem; \ -+ break; \ -+ } \ -+ } \ -+} -+#else -+#define dwc_sample_frrem(_hcd, _qh, _letter) -+#endif -+#endif -+#endif /* DWC_DEVICE_ONLY */ ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_hcd_intr.c -@@ -0,0 +1,1873 @@ -+/* ========================================================================== -+ * $File: //dwh/usb_iip/dev/software/otg/linux/drivers/dwc_otg_hcd_intr.c $ -+ * $Revision: 1.6.2.1 $ -+ * $Date: 2009-04-22 03:48:22 $ -+ * $Change: 1117667 $ -+ * -+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, -+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless -+ * otherwise expressly agreed to in writing between Synopsys and you. -+ * -+ * The Software IS NOT an item of Licensed Software or Licensed Product under -+ * any End User Software License Agreement or Agreement for Licensed Product -+ * with Synopsys or any supplement thereto. You are permitted to use and -+ * redistribute this Software in source and binary forms, with or without -+ * modification, provided that redistributions of source code must retain this -+ * notice. You may not view, use, disclose, copy or distribute this file or -+ * any information contained herein except pursuant to this license grant from -+ * Synopsys. If you do not agree with this notice, including the disclaimer -+ * below, then you are not authorized to use the Software. -+ * -+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS -+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, -+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH -+ * DAMAGE. -+ * ========================================================================== */ -+#ifndef DWC_DEVICE_ONLY -+ -+#include <linux/version.h> -+ -+#include "dwc_otg_driver.h" -+#include "dwc_otg_hcd.h" -+#include "dwc_otg_regs.h" -+ -+/** @file -+ * This file contains the implementation of the HCD Interrupt handlers. -+ */ -+ -+/** This function handles interrupts for the HCD. */ -+int32_t dwc_otg_hcd_handle_intr(dwc_otg_hcd_t *dwc_otg_hcd) -+{ -+ int retval = 0; -+ -+ dwc_otg_core_if_t *core_if = dwc_otg_hcd->core_if; -+ gintsts_data_t gintsts; -+#ifdef DEBUG -+ dwc_otg_core_global_regs_t *global_regs = core_if->core_global_regs; -+#endif -+ -+ /* Check if HOST Mode */ -+ if (dwc_otg_is_host_mode(core_if)) { -+ gintsts.d32 = dwc_otg_read_core_intr(core_if); -+ if (!gintsts.d32) { -+ return 0; -+ } -+ -+#ifdef DEBUG -+ /* Don't print debug message in the interrupt handler on SOF */ -+# ifndef DEBUG_SOF -+ if (gintsts.d32 != DWC_SOF_INTR_MASK) -+# endif -+ DWC_DEBUGPL(DBG_HCD, "\n"); -+#endif -+ -+#ifdef DEBUG -+# ifndef DEBUG_SOF -+ if (gintsts.d32 != DWC_SOF_INTR_MASK) -+# endif -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD Interrupt Detected gintsts&gintmsk=0x%08x\n", gintsts.d32); -+#endif -+ if (gintsts.b.usbreset) { -+ DWC_PRINT("Usb Reset In Host Mode\n"); -+ } -+ -+ -+ if (gintsts.b.sofintr) { -+ retval |= dwc_otg_hcd_handle_sof_intr(dwc_otg_hcd); -+ } -+ if (gintsts.b.rxstsqlvl) { -+ retval |= dwc_otg_hcd_handle_rx_status_q_level_intr(dwc_otg_hcd); -+ } -+ if (gintsts.b.nptxfempty) { -+ retval |= dwc_otg_hcd_handle_np_tx_fifo_empty_intr(dwc_otg_hcd); -+ } -+ if (gintsts.b.i2cintr) { -+ /** @todo Implement i2cintr handler. */ -+ } -+ if (gintsts.b.portintr) { -+ retval |= dwc_otg_hcd_handle_port_intr(dwc_otg_hcd); -+ } -+ if (gintsts.b.hcintr) { -+ retval |= dwc_otg_hcd_handle_hc_intr(dwc_otg_hcd); -+ } -+ if (gintsts.b.ptxfempty) { -+ retval |= dwc_otg_hcd_handle_perio_tx_fifo_empty_intr(dwc_otg_hcd); -+ } -+#ifdef DEBUG -+# ifndef DEBUG_SOF -+ if (gintsts.d32 != DWC_SOF_INTR_MASK) -+# endif -+ { -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD Finished Servicing Interrupts\n"); -+ DWC_DEBUGPL(DBG_HCDV, "DWC OTG HCD gintsts=0x%08x\n", -+ dwc_read_reg32(&global_regs->gintsts)); -+ DWC_DEBUGPL(DBG_HCDV, "DWC OTG HCD gintmsk=0x%08x\n", -+ dwc_read_reg32(&global_regs->gintmsk)); -+ } -+#endif -+ -+#ifdef DEBUG -+# ifndef DEBUG_SOF -+ if (gintsts.d32 != DWC_SOF_INTR_MASK) -+# endif -+ DWC_DEBUGPL(DBG_HCD, "\n"); -+#endif -+ -+ } -+ -+ S3C2410X_CLEAR_EINTPEND(); -+ -+ return retval; -+} -+ -+#ifdef DWC_TRACK_MISSED_SOFS -+#warning Compiling code to track missed SOFs -+#define FRAME_NUM_ARRAY_SIZE 1000 -+/** -+ * This function is for debug only. -+ */ -+static inline void track_missed_sofs(uint16_t curr_frame_number) -+{ -+ static uint16_t frame_num_array[FRAME_NUM_ARRAY_SIZE]; -+ static uint16_t last_frame_num_array[FRAME_NUM_ARRAY_SIZE]; -+ static int frame_num_idx = 0; -+ static uint16_t last_frame_num = DWC_HFNUM_MAX_FRNUM; -+ static int dumped_frame_num_array = 0; -+ -+ if (frame_num_idx < FRAME_NUM_ARRAY_SIZE) { -+ if (((last_frame_num + 1) & DWC_HFNUM_MAX_FRNUM) != curr_frame_number) { -+ frame_num_array[frame_num_idx] = curr_frame_number; -+ last_frame_num_array[frame_num_idx++] = last_frame_num; -+ } -+ } else if (!dumped_frame_num_array) { -+ int i; -+ printk(KERN_EMERG USB_DWC "Frame Last Frame\n"); -+ printk(KERN_EMERG USB_DWC "----- ----------\n"); -+ for (i = 0; i < FRAME_NUM_ARRAY_SIZE; i++) { -+ printk(KERN_EMERG USB_DWC "0x%04x 0x%04x\n", -+ frame_num_array[i], last_frame_num_array[i]); -+ } -+ dumped_frame_num_array = 1; -+ } -+ last_frame_num = curr_frame_number; -+} -+#endif -+ -+/** -+ * Handles the start-of-frame interrupt in host mode. Non-periodic -+ * transactions may be queued to the DWC_otg controller for the current -+ * (micro)frame. Periodic transactions may be queued to the controller for the -+ * next (micro)frame. -+ */ -+int32_t dwc_otg_hcd_handle_sof_intr(dwc_otg_hcd_t *hcd) -+{ -+ hfnum_data_t hfnum; -+ struct list_head *qh_entry; -+ dwc_otg_qh_t *qh; -+ dwc_otg_transaction_type_e tr_type; -+ gintsts_data_t gintsts = {.d32 = 0}; -+ -+ hfnum.d32 = dwc_read_reg32(&hcd->core_if->host_if->host_global_regs->hfnum); -+ -+#ifdef DEBUG_SOF -+ DWC_DEBUGPL(DBG_HCD, "--Start of Frame Interrupt--\n"); -+#endif -+ hcd->frame_number = hfnum.b.frnum; -+ -+#ifdef DEBUG -+ hcd->frrem_accum += hfnum.b.frrem; -+ hcd->frrem_samples++; -+#endif -+ -+#ifdef DWC_TRACK_MISSED_SOFS -+ track_missed_sofs(hcd->frame_number); -+#endif -+ -+ /* Determine whether any periodic QHs should be executed. */ -+ qh_entry = hcd->periodic_sched_inactive.next; -+ while (qh_entry != &hcd->periodic_sched_inactive) { -+ qh = list_entry(qh_entry, dwc_otg_qh_t, qh_list_entry); -+ qh_entry = qh_entry->next; -+ if (dwc_frame_num_le(qh->sched_frame, hcd->frame_number)) { -+ /* -+ * Move QH to the ready list to be executed next -+ * (micro)frame. -+ */ -+ list_move(&qh->qh_list_entry, &hcd->periodic_sched_ready); -+ } -+ } -+ -+ tr_type = dwc_otg_hcd_select_transactions(hcd); -+ if (tr_type != DWC_OTG_TRANSACTION_NONE) { -+ dwc_otg_hcd_queue_transactions(hcd, tr_type); -+ } -+ -+ /* Clear interrupt */ -+ gintsts.b.sofintr = 1; -+ dwc_write_reg32(&hcd->core_if->core_global_regs->gintsts, gintsts.d32); -+ -+ return 1; -+} -+ -+/** Handles the Rx Status Queue Level Interrupt, which indicates that there is at -+ * least one packet in the Rx FIFO. The packets are moved from the FIFO to -+ * memory if the DWC_otg controller is operating in Slave mode. */ -+int32_t dwc_otg_hcd_handle_rx_status_q_level_intr(dwc_otg_hcd_t *dwc_otg_hcd) -+{ -+ host_grxsts_data_t grxsts; -+ dwc_hc_t *hc = NULL; -+ -+ DWC_DEBUGPL(DBG_HCD, "--RxStsQ Level Interrupt--\n"); -+ -+ grxsts.d32 = dwc_read_reg32(&dwc_otg_hcd->core_if->core_global_regs->grxstsp); -+ -+ hc = dwc_otg_hcd->hc_ptr_array[grxsts.b.chnum]; -+ -+ /* Packet Status */ -+ DWC_DEBUGPL(DBG_HCDV, " Ch num = %d\n", grxsts.b.chnum); -+ DWC_DEBUGPL(DBG_HCDV, " Count = %d\n", grxsts.b.bcnt); -+ DWC_DEBUGPL(DBG_HCDV, " DPID = %d, hc.dpid = %d\n", grxsts.b.dpid, hc->data_pid_start); -+ DWC_DEBUGPL(DBG_HCDV, " PStatus = %d\n", grxsts.b.pktsts); -+ -+ switch (grxsts.b.pktsts) { -+ case DWC_GRXSTS_PKTSTS_IN: -+ /* Read the data into the host buffer. */ -+ if (grxsts.b.bcnt > 0) { -+ dwc_otg_read_packet(dwc_otg_hcd->core_if, -+ hc->xfer_buff, -+ grxsts.b.bcnt); -+ -+ /* Update the HC fields for the next packet received. */ -+ hc->xfer_count += grxsts.b.bcnt; -+ hc->xfer_buff += grxsts.b.bcnt; -+ } -+ -+ case DWC_GRXSTS_PKTSTS_IN_XFER_COMP: -+ case DWC_GRXSTS_PKTSTS_DATA_TOGGLE_ERR: -+ case DWC_GRXSTS_PKTSTS_CH_HALTED: -+ /* Handled in interrupt, just ignore data */ -+ break; -+ default: -+ DWC_ERROR("RX_STS_Q Interrupt: Unknown status %d\n", grxsts.b.pktsts); -+ break; -+ } -+ -+ return 1; -+} -+ -+/** This interrupt occurs when the non-periodic Tx FIFO is half-empty. More -+ * data packets may be written to the FIFO for OUT transfers. More requests -+ * may be written to the non-periodic request queue for IN transfers. This -+ * interrupt is enabled only in Slave mode. */ -+int32_t dwc_otg_hcd_handle_np_tx_fifo_empty_intr(dwc_otg_hcd_t *dwc_otg_hcd) -+{ -+ DWC_DEBUGPL(DBG_HCD, "--Non-Periodic TxFIFO Empty Interrupt--\n"); -+ dwc_otg_hcd_queue_transactions(dwc_otg_hcd, -+ DWC_OTG_TRANSACTION_NON_PERIODIC); -+ return 1; -+} -+ -+/** This interrupt occurs when the periodic Tx FIFO is half-empty. More data -+ * packets may be written to the FIFO for OUT transfers. More requests may be -+ * written to the periodic request queue for IN transfers. This interrupt is -+ * enabled only in Slave mode. */ -+int32_t dwc_otg_hcd_handle_perio_tx_fifo_empty_intr(dwc_otg_hcd_t *dwc_otg_hcd) -+{ -+ DWC_DEBUGPL(DBG_HCD, "--Periodic TxFIFO Empty Interrupt--\n"); -+ dwc_otg_hcd_queue_transactions(dwc_otg_hcd, -+ DWC_OTG_TRANSACTION_PERIODIC); -+ return 1; -+} -+ -+/** There are multiple conditions that can cause a port interrupt. This function -+ * determines which interrupt conditions have occurred and handles them -+ * appropriately. */ -+int32_t dwc_otg_hcd_handle_port_intr(dwc_otg_hcd_t *dwc_otg_hcd) -+{ -+ int retval = 0; -+ hprt0_data_t hprt0; -+ hprt0_data_t hprt0_modify; -+ -+ hprt0.d32 = dwc_read_reg32(dwc_otg_hcd->core_if->host_if->hprt0); -+ hprt0_modify.d32 = dwc_read_reg32(dwc_otg_hcd->core_if->host_if->hprt0); -+ -+ /* Clear appropriate bits in HPRT0 to clear the interrupt bit in -+ * GINTSTS */ -+ -+ hprt0_modify.b.prtena = 0; -+ hprt0_modify.b.prtconndet = 0; -+ hprt0_modify.b.prtenchng = 0; -+ hprt0_modify.b.prtovrcurrchng = 0; -+ -+ /* Port Connect Detected -+ * Set flag and clear if detected */ -+ if (hprt0.b.prtconndet) { -+ DWC_DEBUGPL(DBG_HCD, "--Port Interrupt HPRT0=0x%08x " -+ "Port Connect Detected--\n", hprt0.d32); -+ dwc_otg_hcd->flags.b.port_connect_status_change = 1; -+ dwc_otg_hcd->flags.b.port_connect_status = 1; -+ hprt0_modify.b.prtconndet = 1; -+ -+ /* B-Device has connected, Delete the connection timer. */ -+ del_timer( &dwc_otg_hcd->conn_timer ); -+ -+ /* The Hub driver asserts a reset when it sees port connect -+ * status change flag */ -+ retval |= 1; -+ } -+ -+ /* Port Enable Changed -+ * Clear if detected - Set internal flag if disabled */ -+ if (hprt0.b.prtenchng) { -+ DWC_DEBUGPL(DBG_HCD, " --Port Interrupt HPRT0=0x%08x " -+ "Port Enable Changed--\n", hprt0.d32); -+ hprt0_modify.b.prtenchng = 1; -+ if (hprt0.b.prtena == 1) { -+ int do_reset = 0; -+ dwc_otg_core_params_t *params = dwc_otg_hcd->core_if->core_params; -+ dwc_otg_core_global_regs_t *global_regs = dwc_otg_hcd->core_if->core_global_regs; -+ dwc_otg_host_if_t *host_if = dwc_otg_hcd->core_if->host_if; -+ -+ /* Check if we need to adjust the PHY clock speed for -+ * low power and adjust it */ -+ if (params->host_support_fs_ls_low_power) { -+ gusbcfg_data_t usbcfg; -+ -+ usbcfg.d32 = dwc_read_reg32(&global_regs->gusbcfg); -+ -+ if (hprt0.b.prtspd == DWC_HPRT0_PRTSPD_LOW_SPEED || -+ hprt0.b.prtspd == DWC_HPRT0_PRTSPD_FULL_SPEED) { -+ /* -+ * Low power -+ */ -+ hcfg_data_t hcfg; -+ if (usbcfg.b.phylpwrclksel == 0) { -+ /* Set PHY low power clock select for FS/LS devices */ -+ usbcfg.b.phylpwrclksel = 1; -+ dwc_write_reg32(&global_regs->gusbcfg, usbcfg.d32); -+ do_reset = 1; -+ } -+ -+ hcfg.d32 = dwc_read_reg32(&host_if->host_global_regs->hcfg); -+ -+ if (hprt0.b.prtspd == DWC_HPRT0_PRTSPD_LOW_SPEED && -+ params->host_ls_low_power_phy_clk == -+ DWC_HOST_LS_LOW_POWER_PHY_CLK_PARAM_6MHZ) { -+ /* 6 MHZ */ -+ DWC_DEBUGPL(DBG_CIL, "FS_PHY programming HCFG to 6 MHz (Low Power)\n"); -+ if (hcfg.b.fslspclksel != DWC_HCFG_6_MHZ) { -+ hcfg.b.fslspclksel = DWC_HCFG_6_MHZ; -+ dwc_write_reg32(&host_if->host_global_regs->hcfg, -+ hcfg.d32); -+ do_reset = 1; -+ } -+ } else { -+ /* 48 MHZ */ -+ DWC_DEBUGPL(DBG_CIL, "FS_PHY programming HCFG to 48 MHz ()\n"); -+ if (hcfg.b.fslspclksel != DWC_HCFG_48_MHZ) { -+ hcfg.b.fslspclksel = DWC_HCFG_48_MHZ; -+ dwc_write_reg32(&host_if->host_global_regs->hcfg, -+ hcfg.d32); -+ do_reset = 1; -+ } -+ } -+ } else { -+ /* -+ * Not low power -+ */ -+ if (usbcfg.b.phylpwrclksel == 1) { -+ usbcfg.b.phylpwrclksel = 0; -+ dwc_write_reg32(&global_regs->gusbcfg, usbcfg.d32); -+ do_reset = 1; -+ } -+ } -+ -+ if (do_reset) { -+ tasklet_schedule(dwc_otg_hcd->reset_tasklet); -+ } -+ } -+ -+ if (!do_reset) { -+ /* Port has been enabled set the reset change flag */ -+ dwc_otg_hcd->flags.b.port_reset_change = 1; -+ } -+ } else { -+ dwc_otg_hcd->flags.b.port_enable_change = 1; -+ } -+ retval |= 1; -+ } -+ -+ /** Overcurrent Change Interrupt */ -+ if (hprt0.b.prtovrcurrchng) { -+ DWC_DEBUGPL(DBG_HCD, " --Port Interrupt HPRT0=0x%08x " -+ "Port Overcurrent Changed--\n", hprt0.d32); -+ dwc_otg_hcd->flags.b.port_over_current_change = 1; -+ hprt0_modify.b.prtovrcurrchng = 1; -+ retval |= 1; -+ } -+ -+ /* Clear Port Interrupts */ -+ dwc_write_reg32(dwc_otg_hcd->core_if->host_if->hprt0, hprt0_modify.d32); -+ -+ return retval; -+} -+ -+/** This interrupt indicates that one or more host channels has a pending -+ * interrupt. There are multiple conditions that can cause each host channel -+ * interrupt. This function determines which conditions have occurred for each -+ * host channel interrupt and handles them appropriately. */ -+int32_t dwc_otg_hcd_handle_hc_intr(dwc_otg_hcd_t *dwc_otg_hcd) -+{ -+ int i; -+ int retval = 0; -+ haint_data_t haint; -+ -+ /* Clear appropriate bits in HCINTn to clear the interrupt bit in -+ * GINTSTS */ -+ -+ haint.d32 = dwc_otg_read_host_all_channels_intr(dwc_otg_hcd->core_if); -+ -+ for (i = 0; i < dwc_otg_hcd->core_if->core_params->host_channels; i++) { -+ if (haint.b2.chint & (1 << i)) { -+ retval |= dwc_otg_hcd_handle_hc_n_intr(dwc_otg_hcd, i); -+ } -+ } -+ -+ return retval; -+} -+ -+/* Macro used to clear one channel interrupt */ -+#define clear_hc_int(_hc_regs_, _intr_) \ -+do { \ -+ hcint_data_t hcint_clear = {.d32 = 0}; \ -+ hcint_clear.b._intr_ = 1; \ -+ dwc_write_reg32(&(_hc_regs_)->hcint, hcint_clear.d32); \ -+} while (0) -+ -+/* -+ * Macro used to disable one channel interrupt. Channel interrupts are -+ * disabled when the channel is halted or released by the interrupt handler. -+ * There is no need to handle further interrupts of that type until the -+ * channel is re-assigned. In fact, subsequent handling may cause crashes -+ * because the channel structures are cleaned up when the channel is released. -+ */ -+#define disable_hc_int(_hc_regs_, _intr_) \ -+do { \ -+ hcintmsk_data_t hcintmsk = {.d32 = 0}; \ -+ hcintmsk.b._intr_ = 1; \ -+ dwc_modify_reg32(&(_hc_regs_)->hcintmsk, hcintmsk.d32, 0); \ -+} while (0) -+ -+/** -+ * Gets the actual length of a transfer after the transfer halts. _halt_status -+ * holds the reason for the halt. -+ * -+ * For IN transfers where halt_status is DWC_OTG_HC_XFER_COMPLETE, -+ * *short_read is set to 1 upon return if less than the requested -+ * number of bytes were transferred. Otherwise, *short_read is set to 0 upon -+ * return. short_read may also be NULL on entry, in which case it remains -+ * unchanged. -+ */ -+static uint32_t get_actual_xfer_length(dwc_hc_t *hc, -+ dwc_otg_hc_regs_t *hc_regs, -+ dwc_otg_qtd_t *qtd, -+ dwc_otg_halt_status_e halt_status, -+ int *short_read) -+{ -+ hctsiz_data_t hctsiz; -+ uint32_t length; -+ -+ if (short_read != NULL) { -+ *short_read = 0; -+ } -+ hctsiz.d32 = dwc_read_reg32(&hc_regs->hctsiz); -+ -+ if (halt_status == DWC_OTG_HC_XFER_COMPLETE) { -+ if (hc->ep_is_in) { -+ length = hc->xfer_len - hctsiz.b.xfersize; -+ if (short_read != NULL) { -+ *short_read = (hctsiz.b.xfersize != 0); -+ } -+ } else if (hc->qh->do_split) { -+ length = qtd->ssplit_out_xfer_count; -+ } else { -+ length = hc->xfer_len; -+ } -+ } else { -+ /* -+ * Must use the hctsiz.pktcnt field to determine how much data -+ * has been transferred. This field reflects the number of -+ * packets that have been transferred via the USB. This is -+ * always an integral number of packets if the transfer was -+ * halted before its normal completion. (Can't use the -+ * hctsiz.xfersize field because that reflects the number of -+ * bytes transferred via the AHB, not the USB). -+ */ -+ length = (hc->start_pkt_count - hctsiz.b.pktcnt) * hc->max_packet; -+ } -+ -+ return length; -+} -+ -+/** -+ * Updates the state of the URB after a Transfer Complete interrupt on the -+ * host channel. Updates the actual_length field of the URB based on the -+ * number of bytes transferred via the host channel. Sets the URB status -+ * if the data transfer is finished. -+ * -+ * @return 1 if the data transfer specified by the URB is completely finished, -+ * 0 otherwise. -+ */ -+static int update_urb_state_xfer_comp(dwc_hc_t *hc, -+ dwc_otg_hc_regs_t *hc_regs, -+ struct urb *urb, -+ dwc_otg_qtd_t *qtd) -+{ -+ int xfer_done = 0; -+ int short_read = 0; -+ int overflow_read=0; -+ uint32_t len = 0; -+ int max_packet; -+ -+ len = get_actual_xfer_length(hc, hc_regs, qtd, -+ DWC_OTG_HC_XFER_COMPLETE, -+ &short_read); -+ -+ /* Data overflow case: by Steven */ -+ if (len > urb->transfer_buffer_length) { -+ len = urb->transfer_buffer_length; -+ overflow_read = 1; -+ } -+ -+ /* non DWORD-aligned buffer case handling. */ -+ if (((uint32_t)hc->xfer_buff & 0x3) && len && hc->qh->dw_align_buf && hc->ep_is_in) { -+ memcpy(urb->transfer_buffer + urb->actual_length, hc->qh->dw_align_buf, len); -+ } -+ urb->actual_length +=len; -+ -+ max_packet = usb_maxpacket(urb->dev, urb->pipe, !usb_pipein(urb->pipe)); -+ if((len) && usb_pipebulk(urb->pipe) && -+ (urb->transfer_flags & URB_ZERO_PACKET) && -+ (urb->actual_length == urb->transfer_buffer_length) && -+ (!(urb->transfer_buffer_length % max_packet))) { -+ } else if (short_read || urb->actual_length == urb->transfer_buffer_length) { -+ xfer_done = 1; -+ if (short_read && (urb->transfer_flags & URB_SHORT_NOT_OK)) { -+ urb->status = -EREMOTEIO; -+ } else if (overflow_read) { -+ urb->status = -EOVERFLOW; -+ } else { -+ urb->status = 0; -+ } -+ } -+ -+#ifdef DEBUG -+ { -+ hctsiz_data_t hctsiz; -+ hctsiz.d32 = dwc_read_reg32(&hc_regs->hctsiz); -+ DWC_DEBUGPL(DBG_HCDV, "DWC_otg: %s: %s, channel %d\n", -+ __func__, (hc->ep_is_in ? "IN" : "OUT"), hc->hc_num); -+ DWC_DEBUGPL(DBG_HCDV, " hc->xfer_len %d\n", hc->xfer_len); -+ DWC_DEBUGPL(DBG_HCDV, " hctsiz.xfersize %d\n", hctsiz.b.xfersize); -+ DWC_DEBUGPL(DBG_HCDV, " urb->transfer_buffer_length %d\n", -+ urb->transfer_buffer_length); -+ DWC_DEBUGPL(DBG_HCDV, " urb->actual_length %d\n", urb->actual_length); -+ DWC_DEBUGPL(DBG_HCDV, " short_read %d, xfer_done %d\n", -+ short_read, xfer_done); -+ } -+#endif -+ -+ return xfer_done; -+} -+ -+/* -+ * Save the starting data toggle for the next transfer. The data toggle is -+ * saved in the QH for non-control transfers and it's saved in the QTD for -+ * control transfers. -+ */ -+static void save_data_toggle(dwc_hc_t *hc, -+ dwc_otg_hc_regs_t *hc_regs, -+ dwc_otg_qtd_t *qtd) -+{ -+ hctsiz_data_t hctsiz; -+ hctsiz.d32 = dwc_read_reg32(&hc_regs->hctsiz); -+ -+ if (hc->ep_type != DWC_OTG_EP_TYPE_CONTROL) { -+ dwc_otg_qh_t *qh = hc->qh; -+ if (hctsiz.b.pid == DWC_HCTSIZ_DATA0) { -+ qh->data_toggle = DWC_OTG_HC_PID_DATA0; -+ } else { -+ qh->data_toggle = DWC_OTG_HC_PID_DATA1; -+ } -+ } else { -+ if (hctsiz.b.pid == DWC_HCTSIZ_DATA0) { -+ qtd->data_toggle = DWC_OTG_HC_PID_DATA0; -+ } else { -+ qtd->data_toggle = DWC_OTG_HC_PID_DATA1; -+ } -+ } -+} -+ -+/** -+ * Frees the first QTD in the QH's list if free_qtd is 1. For non-periodic -+ * QHs, removes the QH from the active non-periodic schedule. If any QTDs are -+ * still linked to the QH, the QH is added to the end of the inactive -+ * non-periodic schedule. For periodic QHs, removes the QH from the periodic -+ * schedule if no more QTDs are linked to the QH. -+ */ -+static void deactivate_qh(dwc_otg_hcd_t *hcd, -+ dwc_otg_qh_t *qh, -+ int free_qtd) -+{ -+ int continue_split = 0; -+ dwc_otg_qtd_t *qtd; -+ -+ DWC_DEBUGPL(DBG_HCDV, " %s(%p,%p,%d)\n", __func__, hcd, qh, free_qtd); -+ -+ qtd = list_entry(qh->qtd_list.next, dwc_otg_qtd_t, qtd_list_entry); -+ -+ if (qtd->complete_split) { -+ continue_split = 1; -+ } else if (qtd->isoc_split_pos == DWC_HCSPLIT_XACTPOS_MID || -+ qtd->isoc_split_pos == DWC_HCSPLIT_XACTPOS_END) { -+ continue_split = 1; -+ } -+ -+ if (free_qtd) { -+ dwc_otg_hcd_qtd_remove_and_free(hcd, qtd); -+ continue_split = 0; -+ } -+ -+ qh->channel = NULL; -+ qh->qtd_in_process = NULL; -+ dwc_otg_hcd_qh_deactivate(hcd, qh, continue_split); -+} -+ -+/** -+ * Updates the state of an Isochronous URB when the transfer is stopped for -+ * any reason. The fields of the current entry in the frame descriptor array -+ * are set based on the transfer state and the input _halt_status. Completes -+ * the Isochronous URB if all the URB frames have been completed. -+ * -+ * @return DWC_OTG_HC_XFER_COMPLETE if there are more frames remaining to be -+ * transferred in the URB. Otherwise return DWC_OTG_HC_XFER_URB_COMPLETE. -+ */ -+static dwc_otg_halt_status_e -+update_isoc_urb_state(dwc_otg_hcd_t *hcd, -+ dwc_hc_t *hc, -+ dwc_otg_hc_regs_t *hc_regs, -+ dwc_otg_qtd_t *qtd, -+ dwc_otg_halt_status_e halt_status) -+{ -+ struct urb *urb = qtd->urb; -+ dwc_otg_halt_status_e ret_val = halt_status; -+ struct usb_iso_packet_descriptor *frame_desc; -+ -+ frame_desc = &urb->iso_frame_desc[qtd->isoc_frame_index]; -+ switch (halt_status) { -+ case DWC_OTG_HC_XFER_COMPLETE: -+ frame_desc->status = 0; -+ frame_desc->actual_length = -+ get_actual_xfer_length(hc, hc_regs, qtd, -+ halt_status, NULL); -+ -+ /* non DWORD-aligned buffer case handling. */ -+ if (frame_desc->actual_length && ((uint32_t)hc->xfer_buff & 0x3) && -+ hc->qh->dw_align_buf && hc->ep_is_in) { -+ memcpy(urb->transfer_buffer + frame_desc->offset + qtd->isoc_split_offset, -+ hc->qh->dw_align_buf, frame_desc->actual_length); -+ -+ } -+ -+ break; -+ case DWC_OTG_HC_XFER_FRAME_OVERRUN: -+ printk("DWC_OTG_HC_XFER_FRAME_OVERRUN: %d\n", halt_status); -+ urb->error_count++; -+ if (hc->ep_is_in) { -+ frame_desc->status = -ENOSR; -+ } else { -+ frame_desc->status = -ECOMM; -+ } -+ frame_desc->actual_length = 0; -+ break; -+ case DWC_OTG_HC_XFER_BABBLE_ERR: -+ printk("DWC_OTG_HC_XFER_BABBLE_ERR: %d\n", halt_status); -+ urb->error_count++; -+ frame_desc->status = -EOVERFLOW; -+ /* Don't need to update actual_length in this case. */ -+ break; -+ case DWC_OTG_HC_XFER_XACT_ERR: -+ printk("DWC_OTG_HC_XFER_XACT_ERR: %d\n", halt_status); -+ urb->error_count++; -+ frame_desc->status = -EPROTO; -+ frame_desc->actual_length = -+ get_actual_xfer_length(hc, hc_regs, qtd, -+ halt_status, NULL); -+ -+ /* non DWORD-aligned buffer case handling. */ -+ if (frame_desc->actual_length && ((uint32_t)hc->xfer_buff & 0x3) && -+ hc->qh->dw_align_buf && hc->ep_is_in) { -+ memcpy(urb->transfer_buffer + frame_desc->offset + qtd->isoc_split_offset, -+ hc->qh->dw_align_buf, frame_desc->actual_length); -+ -+ } -+ break; -+ default: -+ -+ DWC_ERROR("%s: Unhandled _halt_status (%d)\n", __func__, -+ halt_status); -+ BUG(); -+ break; -+ } -+ -+ if (++qtd->isoc_frame_index == urb->number_of_packets) { -+ /* -+ * urb->status is not used for isoc transfers. -+ * The individual frame_desc statuses are used instead. -+ */ -+ dwc_otg_hcd_complete_urb(hcd, urb, 0); -+ ret_val = DWC_OTG_HC_XFER_URB_COMPLETE; -+ } else { -+ ret_val = DWC_OTG_HC_XFER_COMPLETE; -+ } -+ -+ return ret_val; -+} -+ -+/** -+ * Releases a host channel for use by other transfers. Attempts to select and -+ * queue more transactions since at least one host channel is available. -+ * -+ * @param hcd The HCD state structure. -+ * @param hc The host channel to release. -+ * @param qtd The QTD associated with the host channel. This QTD may be freed -+ * if the transfer is complete or an error has occurred. -+ * @param halt_status Reason the channel is being released. This status -+ * determines the actions taken by this function. -+ */ -+static void release_channel(dwc_otg_hcd_t *hcd, -+ dwc_hc_t *hc, -+ dwc_otg_qtd_t *qtd, -+ dwc_otg_halt_status_e halt_status) -+{ -+ dwc_otg_transaction_type_e tr_type; -+ int free_qtd; -+ -+ DWC_DEBUGPL(DBG_HCDV, " %s: channel %d, halt_status %d\n", -+ __func__, hc->hc_num, halt_status); -+ -+ switch (halt_status) { -+ case DWC_OTG_HC_XFER_URB_COMPLETE: -+ free_qtd = 1; -+ break; -+ case DWC_OTG_HC_XFER_AHB_ERR: -+ case DWC_OTG_HC_XFER_STALL: -+ case DWC_OTG_HC_XFER_BABBLE_ERR: -+ free_qtd = 1; -+ break; -+ case DWC_OTG_HC_XFER_XACT_ERR: -+ if (qtd->error_count >= 3) { -+ DWC_DEBUGPL(DBG_HCDV, " Complete URB with transaction error\n"); -+ free_qtd = 1; -+ qtd->urb->status = -EPROTO; -+ dwc_otg_hcd_complete_urb(hcd, qtd->urb, -EPROTO); -+ } else { -+ free_qtd = 0; -+ } -+ break; -+ case DWC_OTG_HC_XFER_URB_DEQUEUE: -+ /* -+ * The QTD has already been removed and the QH has been -+ * deactivated. Don't want to do anything except release the -+ * host channel and try to queue more transfers. -+ */ -+ goto cleanup; -+ case DWC_OTG_HC_XFER_NO_HALT_STATUS: -+ DWC_ERROR("%s: No halt_status, channel %d\n", __func__, hc->hc_num); -+ free_qtd = 0; -+ break; -+ default: -+ free_qtd = 0; -+ break; -+ } -+ -+ deactivate_qh(hcd, hc->qh, free_qtd); -+ -+ cleanup: -+ /* -+ * Release the host channel for use by other transfers. The cleanup -+ * function clears the channel interrupt enables and conditions, so -+ * there's no need to clear the Channel Halted interrupt separately. -+ */ -+ dwc_otg_hc_cleanup(hcd->core_if, hc); -+ list_add_tail(&hc->hc_list_entry, &hcd->free_hc_list); -+ -+ switch (hc->ep_type) { -+ case DWC_OTG_EP_TYPE_CONTROL: -+ case DWC_OTG_EP_TYPE_BULK: -+ hcd->non_periodic_channels--; -+ break; -+ -+ default: -+ /* -+ * Don't release reservations for periodic channels here. -+ * That's done when a periodic transfer is descheduled (i.e. -+ * when the QH is removed from the periodic schedule). -+ */ -+ break; -+ } -+ -+ /* Try to queue more transfers now that there's a free channel. */ -+ tr_type = dwc_otg_hcd_select_transactions(hcd); -+ if (tr_type != DWC_OTG_TRANSACTION_NONE) { -+ dwc_otg_hcd_queue_transactions(hcd, tr_type); -+ } -+} -+ -+/** -+ * Halts a host channel. If the channel cannot be halted immediately because -+ * the request queue is full, this function ensures that the FIFO empty -+ * interrupt for the appropriate queue is enabled so that the halt request can -+ * be queued when there is space in the request queue. -+ * -+ * This function may also be called in DMA mode. In that case, the channel is -+ * simply released since the core always halts the channel automatically in -+ * DMA mode. -+ */ -+static void halt_channel(dwc_otg_hcd_t *hcd, -+ dwc_hc_t *hc, -+ dwc_otg_qtd_t *qtd, -+ dwc_otg_halt_status_e halt_status) -+{ -+ if (hcd->core_if->dma_enable) { -+ release_channel(hcd, hc, qtd, halt_status); -+ return; -+ } -+ -+ /* Slave mode processing... */ -+ dwc_otg_hc_halt(hcd->core_if, hc, halt_status); -+ -+ if (hc->halt_on_queue) { -+ gintmsk_data_t gintmsk = {.d32 = 0}; -+ dwc_otg_core_global_regs_t *global_regs; -+ global_regs = hcd->core_if->core_global_regs; -+ -+ if (hc->ep_type == DWC_OTG_EP_TYPE_CONTROL || -+ hc->ep_type == DWC_OTG_EP_TYPE_BULK) { -+ /* -+ * Make sure the Non-periodic Tx FIFO empty interrupt -+ * is enabled so that the non-periodic schedule will -+ * be processed. -+ */ -+ gintmsk.b.nptxfempty = 1; -+ dwc_modify_reg32(&global_regs->gintmsk, 0, gintmsk.d32); -+ } else { -+ /* -+ * Move the QH from the periodic queued schedule to -+ * the periodic assigned schedule. This allows the -+ * halt to be queued when the periodic schedule is -+ * processed. -+ */ -+ list_move(&hc->qh->qh_list_entry, -+ &hcd->periodic_sched_assigned); -+ -+ /* -+ * Make sure the Periodic Tx FIFO Empty interrupt is -+ * enabled so that the periodic schedule will be -+ * processed. -+ */ -+ gintmsk.b.ptxfempty = 1; -+ dwc_modify_reg32(&global_regs->gintmsk, 0, gintmsk.d32); -+ } -+ } -+} -+ -+/** -+ * Performs common cleanup for non-periodic transfers after a Transfer -+ * Complete interrupt. This function should be called after any endpoint type -+ * specific handling is finished to release the host channel. -+ */ -+static void complete_non_periodic_xfer(dwc_otg_hcd_t *hcd, -+ dwc_hc_t *hc, -+ dwc_otg_hc_regs_t *hc_regs, -+ dwc_otg_qtd_t *qtd, -+ dwc_otg_halt_status_e halt_status) -+{ -+ hcint_data_t hcint; -+ -+ qtd->error_count = 0; -+ -+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint); -+ if (hcint.b.nyet) { -+ /* -+ * Got a NYET on the last transaction of the transfer. This -+ * means that the endpoint should be in the PING state at the -+ * beginning of the next transfer. -+ */ -+ hc->qh->ping_state = 1; -+ clear_hc_int(hc_regs, nyet); -+ } -+ -+ /* -+ * Always halt and release the host channel to make it available for -+ * more transfers. There may still be more phases for a control -+ * transfer or more data packets for a bulk transfer at this point, -+ * but the host channel is still halted. A channel will be reassigned -+ * to the transfer when the non-periodic schedule is processed after -+ * the channel is released. This allows transactions to be queued -+ * properly via dwc_otg_hcd_queue_transactions, which also enables the -+ * Tx FIFO Empty interrupt if necessary. -+ */ -+ if (hc->ep_is_in) { -+ /* -+ * IN transfers in Slave mode require an explicit disable to -+ * halt the channel. (In DMA mode, this call simply releases -+ * the channel.) -+ */ -+ halt_channel(hcd, hc, qtd, halt_status); -+ } else { -+ /* -+ * The channel is automatically disabled by the core for OUT -+ * transfers in Slave mode. -+ */ -+ release_channel(hcd, hc, qtd, halt_status); -+ } -+} -+ -+/** -+ * Performs common cleanup for periodic transfers after a Transfer Complete -+ * interrupt. This function should be called after any endpoint type specific -+ * handling is finished to release the host channel. -+ */ -+static void complete_periodic_xfer(dwc_otg_hcd_t *hcd, -+ dwc_hc_t *hc, -+ dwc_otg_hc_regs_t *hc_regs, -+ dwc_otg_qtd_t *qtd, -+ dwc_otg_halt_status_e halt_status) -+{ -+ hctsiz_data_t hctsiz; -+ qtd->error_count = 0; -+ -+ hctsiz.d32 = dwc_read_reg32(&hc_regs->hctsiz); -+ if (!hc->ep_is_in || hctsiz.b.pktcnt == 0) { -+ /* Core halts channel in these cases. */ -+ release_channel(hcd, hc, qtd, halt_status); -+ } else { -+ /* Flush any outstanding requests from the Tx queue. */ -+ halt_channel(hcd, hc, qtd, halt_status); -+ } -+} -+ -+/** -+ * Handles a host channel Transfer Complete interrupt. This handler may be -+ * called in either DMA mode or Slave mode. -+ */ -+static int32_t handle_hc_xfercomp_intr(dwc_otg_hcd_t *hcd, -+ dwc_hc_t *hc, -+ dwc_otg_hc_regs_t *hc_regs, -+ dwc_otg_qtd_t *qtd) -+{ -+ int urb_xfer_done; -+ dwc_otg_halt_status_e halt_status = DWC_OTG_HC_XFER_COMPLETE; -+ struct urb *urb = qtd->urb; -+ int pipe_type = usb_pipetype(urb->pipe); -+ -+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: " -+ "Transfer Complete--\n", hc->hc_num); -+ -+ /* -+ * Handle xfer complete on CSPLIT. -+ */ -+ if (hc->qh->do_split) { -+ qtd->complete_split = 0; -+ } -+ -+ /* Update the QTD and URB states. */ -+ switch (pipe_type) { -+ case PIPE_CONTROL: -+ switch (qtd->control_phase) { -+ case DWC_OTG_CONTROL_SETUP: -+ if (urb->transfer_buffer_length > 0) { -+ qtd->control_phase = DWC_OTG_CONTROL_DATA; -+ } else { -+ qtd->control_phase = DWC_OTG_CONTROL_STATUS; -+ } -+ DWC_DEBUGPL(DBG_HCDV, " Control setup transaction done\n"); -+ halt_status = DWC_OTG_HC_XFER_COMPLETE; -+ break; -+ case DWC_OTG_CONTROL_DATA: { -+ urb_xfer_done = update_urb_state_xfer_comp(hc, hc_regs, urb, qtd); -+ if (urb_xfer_done) { -+ qtd->control_phase = DWC_OTG_CONTROL_STATUS; -+ DWC_DEBUGPL(DBG_HCDV, " Control data transfer done\n"); -+ } else { -+ save_data_toggle(hc, hc_regs, qtd); -+ } -+ halt_status = DWC_OTG_HC_XFER_COMPLETE; -+ break; -+ } -+ case DWC_OTG_CONTROL_STATUS: -+ DWC_DEBUGPL(DBG_HCDV, " Control transfer complete\n"); -+ if (urb->status == -EINPROGRESS) { -+ urb->status = 0; -+ } -+ dwc_otg_hcd_complete_urb(hcd, urb, urb->status); -+ halt_status = DWC_OTG_HC_XFER_URB_COMPLETE; -+ break; -+ } -+ -+ complete_non_periodic_xfer(hcd, hc, hc_regs, qtd, halt_status); -+ break; -+ case PIPE_BULK: -+ DWC_DEBUGPL(DBG_HCDV, " Bulk transfer complete\n"); -+ urb_xfer_done = update_urb_state_xfer_comp(hc, hc_regs, urb, qtd); -+ if (urb_xfer_done) { -+ dwc_otg_hcd_complete_urb(hcd, urb, urb->status); -+ halt_status = DWC_OTG_HC_XFER_URB_COMPLETE; -+ } else { -+ halt_status = DWC_OTG_HC_XFER_COMPLETE; -+ } -+ -+ save_data_toggle(hc, hc_regs, qtd); -+ complete_non_periodic_xfer(hcd, hc, hc_regs, qtd, halt_status); -+ break; -+ case PIPE_INTERRUPT: -+ DWC_DEBUGPL(DBG_HCDV, " Interrupt transfer complete\n"); -+ update_urb_state_xfer_comp(hc, hc_regs, urb, qtd); -+ -+ /* -+ * Interrupt URB is done on the first transfer complete -+ * interrupt. -+ */ -+ dwc_otg_hcd_complete_urb(hcd, urb, urb->status); -+ save_data_toggle(hc, hc_regs, qtd); -+ complete_periodic_xfer(hcd, hc, hc_regs, qtd, -+ DWC_OTG_HC_XFER_URB_COMPLETE); -+ break; -+ case PIPE_ISOCHRONOUS: -+ DWC_DEBUGPL(DBG_HCDV, " Isochronous transfer complete\n"); -+ if (qtd->isoc_split_pos == DWC_HCSPLIT_XACTPOS_ALL) { -+ halt_status = update_isoc_urb_state(hcd, hc, hc_regs, qtd, -+ DWC_OTG_HC_XFER_COMPLETE); -+ } -+ complete_periodic_xfer(hcd, hc, hc_regs, qtd, halt_status); -+ break; -+ } -+ -+ disable_hc_int(hc_regs, xfercompl); -+ -+ return 1; -+} -+ -+/** -+ * Handles a host channel STALL interrupt. This handler may be called in -+ * either DMA mode or Slave mode. -+ */ -+static int32_t handle_hc_stall_intr(dwc_otg_hcd_t *hcd, -+ dwc_hc_t *hc, -+ dwc_otg_hc_regs_t *hc_regs, -+ dwc_otg_qtd_t *qtd) -+{ -+ struct urb *urb = qtd->urb; -+ int pipe_type = usb_pipetype(urb->pipe); -+ -+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: " -+ "STALL Received--\n", hc->hc_num); -+ -+ if (pipe_type == PIPE_CONTROL) { -+ dwc_otg_hcd_complete_urb(hcd, urb, -EPIPE); -+ } -+ -+ if (pipe_type == PIPE_BULK || pipe_type == PIPE_INTERRUPT) { -+ dwc_otg_hcd_complete_urb(hcd, urb, -EPIPE); -+ /* -+ * USB protocol requires resetting the data toggle for bulk -+ * and interrupt endpoints when a CLEAR_FEATURE(ENDPOINT_HALT) -+ * setup command is issued to the endpoint. Anticipate the -+ * CLEAR_FEATURE command since a STALL has occurred and reset -+ * the data toggle now. -+ */ -+ hc->qh->data_toggle = 0; -+ } -+ -+ halt_channel(hcd, hc, qtd, DWC_OTG_HC_XFER_STALL); -+ -+ disable_hc_int(hc_regs, stall); -+ -+ return 1; -+} -+ -+/* -+ * Updates the state of the URB when a transfer has been stopped due to an -+ * abnormal condition before the transfer completes. Modifies the -+ * actual_length field of the URB to reflect the number of bytes that have -+ * actually been transferred via the host channel. -+ */ -+static void update_urb_state_xfer_intr(dwc_hc_t *hc, -+ dwc_otg_hc_regs_t *hc_regs, -+ struct urb *urb, -+ dwc_otg_qtd_t *qtd, -+ dwc_otg_halt_status_e halt_status) -+{ -+ uint32_t bytes_transferred = get_actual_xfer_length(hc, hc_regs, qtd, -+ halt_status, NULL); -+ urb->actual_length += bytes_transferred; -+ -+#ifdef DEBUG -+ { -+ hctsiz_data_t hctsiz; -+ hctsiz.d32 = dwc_read_reg32(&hc_regs->hctsiz); -+ DWC_DEBUGPL(DBG_HCDV, "DWC_otg: %s: %s, channel %d\n", -+ __func__, (hc->ep_is_in ? "IN" : "OUT"), hc->hc_num); -+ DWC_DEBUGPL(DBG_HCDV, " hc->start_pkt_count %d\n", hc->start_pkt_count); -+ DWC_DEBUGPL(DBG_HCDV, " hctsiz.pktcnt %d\n", hctsiz.b.pktcnt); -+ DWC_DEBUGPL(DBG_HCDV, " hc->max_packet %d\n", hc->max_packet); -+ DWC_DEBUGPL(DBG_HCDV, " bytes_transferred %d\n", bytes_transferred); -+ DWC_DEBUGPL(DBG_HCDV, " urb->actual_length %d\n", urb->actual_length); -+ DWC_DEBUGPL(DBG_HCDV, " urb->transfer_buffer_length %d\n", -+ urb->transfer_buffer_length); -+ } -+#endif -+} -+ -+/** -+ * Handles a host channel NAK interrupt. This handler may be called in either -+ * DMA mode or Slave mode. -+ */ -+static int32_t handle_hc_nak_intr(dwc_otg_hcd_t *hcd, -+ dwc_hc_t *hc, -+ dwc_otg_hc_regs_t *hc_regs, -+ dwc_otg_qtd_t *qtd) -+{ -+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: " -+ "NAK Received--\n", hc->hc_num); -+ -+ /* -+ * Handle NAK for IN/OUT SSPLIT/CSPLIT transfers, bulk, control, and -+ * interrupt. Re-start the SSPLIT transfer. -+ */ -+ if (hc->do_split) { -+ if (hc->complete_split) { -+ qtd->error_count = 0; -+ } -+ qtd->complete_split = 0; -+ halt_channel(hcd, hc, qtd, DWC_OTG_HC_XFER_NAK); -+ goto handle_nak_done; -+ } -+ -+ switch (usb_pipetype(qtd->urb->pipe)) { -+ case PIPE_CONTROL: -+ case PIPE_BULK: -+ if (hcd->core_if->dma_enable && hc->ep_is_in) { -+ /* -+ * NAK interrupts are enabled on bulk/control IN -+ * transfers in DMA mode for the sole purpose of -+ * resetting the error count after a transaction error -+ * occurs. The core will continue transferring data. -+ */ -+ qtd->error_count = 0; -+ goto handle_nak_done; -+ } -+ -+ /* -+ * NAK interrupts normally occur during OUT transfers in DMA -+ * or Slave mode. For IN transfers, more requests will be -+ * queued as request queue space is available. -+ */ -+ qtd->error_count = 0; -+ -+ if (!hc->qh->ping_state) { -+ update_urb_state_xfer_intr(hc, hc_regs, qtd->urb, -+ qtd, DWC_OTG_HC_XFER_NAK); -+ save_data_toggle(hc, hc_regs, qtd); -+ if (qtd->urb->dev->speed == USB_SPEED_HIGH) { -+ hc->qh->ping_state = 1; -+ } -+ } -+ -+ /* -+ * Halt the channel so the transfer can be re-started from -+ * the appropriate point or the PING protocol will -+ * start/continue. -+ */ -+ halt_channel(hcd, hc, qtd, DWC_OTG_HC_XFER_NAK); -+ break; -+ case PIPE_INTERRUPT: -+ qtd->error_count = 0; -+ halt_channel(hcd, hc, qtd, DWC_OTG_HC_XFER_NAK); -+ break; -+ case PIPE_ISOCHRONOUS: -+ /* Should never get called for isochronous transfers. */ -+ BUG(); -+ break; -+ } -+ -+ handle_nak_done: -+ disable_hc_int(hc_regs, nak); -+ -+ return 1; -+} -+ -+/** -+ * Handles a host channel ACK interrupt. This interrupt is enabled when -+ * performing the PING protocol in Slave mode, when errors occur during -+ * either Slave mode or DMA mode, and during Start Split transactions. -+ */ -+static int32_t handle_hc_ack_intr(dwc_otg_hcd_t *hcd, -+ dwc_hc_t *hc, -+ dwc_otg_hc_regs_t *hc_regs, -+ dwc_otg_qtd_t *qtd) -+{ -+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: " -+ "ACK Received--\n", hc->hc_num); -+ -+ if (hc->do_split) { -+ /* -+ * Handle ACK on SSPLIT. -+ * ACK should not occur in CSPLIT. -+ */ -+ if (!hc->ep_is_in && hc->data_pid_start != DWC_OTG_HC_PID_SETUP) { -+ qtd->ssplit_out_xfer_count = hc->xfer_len; -+ } -+ if (!(hc->ep_type == DWC_OTG_EP_TYPE_ISOC && !hc->ep_is_in)) { -+ /* Don't need complete for isochronous out transfers. */ -+ qtd->complete_split = 1; -+ } -+ -+ /* ISOC OUT */ -+ if (hc->ep_type == DWC_OTG_EP_TYPE_ISOC && !hc->ep_is_in) { -+ switch (hc->xact_pos) { -+ case DWC_HCSPLIT_XACTPOS_ALL: -+ break; -+ case DWC_HCSPLIT_XACTPOS_END: -+ qtd->isoc_split_pos = DWC_HCSPLIT_XACTPOS_ALL; -+ qtd->isoc_split_offset = 0; -+ break; -+ case DWC_HCSPLIT_XACTPOS_BEGIN: -+ case DWC_HCSPLIT_XACTPOS_MID: -+ /* -+ * For BEGIN or MID, calculate the length for -+ * the next microframe to determine the correct -+ * SSPLIT token, either MID or END. -+ */ -+ { -+ struct usb_iso_packet_descriptor *frame_desc; -+ -+ frame_desc = &qtd->urb->iso_frame_desc[qtd->isoc_frame_index]; -+ qtd->isoc_split_offset += 188; -+ -+ if ((frame_desc->length - qtd->isoc_split_offset) <= 188) { -+ qtd->isoc_split_pos = DWC_HCSPLIT_XACTPOS_END; -+ } else { -+ qtd->isoc_split_pos = DWC_HCSPLIT_XACTPOS_MID; -+ } -+ -+ } -+ break; -+ } -+ } else { -+ halt_channel(hcd, hc, qtd, DWC_OTG_HC_XFER_ACK); -+ } -+ } else { -+ qtd->error_count = 0; -+ -+ if (hc->qh->ping_state) { -+ hc->qh->ping_state = 0; -+ /* -+ * Halt the channel so the transfer can be re-started -+ * from the appropriate point. This only happens in -+ * Slave mode. In DMA mode, the ping_state is cleared -+ * when the transfer is started because the core -+ * automatically executes the PING, then the transfer. -+ */ -+ halt_channel(hcd, hc, qtd, DWC_OTG_HC_XFER_ACK); -+ } -+ } -+ -+ /* -+ * If the ACK occurred when _not_ in the PING state, let the channel -+ * continue transferring data after clearing the error count. -+ */ -+ -+ disable_hc_int(hc_regs, ack); -+ -+ return 1; -+} -+ -+/** -+ * Handles a host channel NYET interrupt. This interrupt should only occur on -+ * Bulk and Control OUT endpoints and for complete split transactions. If a -+ * NYET occurs at the same time as a Transfer Complete interrupt, it is -+ * handled in the xfercomp interrupt handler, not here. This handler may be -+ * called in either DMA mode or Slave mode. -+ */ -+static int32_t handle_hc_nyet_intr(dwc_otg_hcd_t *hcd, -+ dwc_hc_t *hc, -+ dwc_otg_hc_regs_t *hc_regs, -+ dwc_otg_qtd_t *qtd) -+{ -+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: " -+ "NYET Received--\n", hc->hc_num); -+ -+ /* -+ * NYET on CSPLIT -+ * re-do the CSPLIT immediately on non-periodic -+ */ -+ if (hc->do_split && hc->complete_split) { -+ if (hc->ep_type == DWC_OTG_EP_TYPE_INTR || -+ hc->ep_type == DWC_OTG_EP_TYPE_ISOC) { -+ int frnum = dwc_otg_hcd_get_frame_number(dwc_otg_hcd_to_hcd(hcd)); -+ -+ if (dwc_full_frame_num(frnum) != -+ dwc_full_frame_num(hc->qh->sched_frame)) { -+ /* -+ * No longer in the same full speed frame. -+ * Treat this as a transaction error. -+ */ -+#if 0 -+ /** @todo Fix system performance so this can -+ * be treated as an error. Right now complete -+ * splits cannot be scheduled precisely enough -+ * due to other system activity, so this error -+ * occurs regularly in Slave mode. -+ */ -+ qtd->error_count++; -+#endif -+ qtd->complete_split = 0; -+ halt_channel(hcd, hc, qtd, DWC_OTG_HC_XFER_XACT_ERR); -+ /** @todo add support for isoc release */ -+ goto handle_nyet_done; -+ } -+ } -+ -+ halt_channel(hcd, hc, qtd, DWC_OTG_HC_XFER_NYET); -+ goto handle_nyet_done; -+ } -+ -+ hc->qh->ping_state = 1; -+ qtd->error_count = 0; -+ -+ update_urb_state_xfer_intr(hc, hc_regs, qtd->urb, qtd, -+ DWC_OTG_HC_XFER_NYET); -+ save_data_toggle(hc, hc_regs, qtd); -+ -+ /* -+ * Halt the channel and re-start the transfer so the PING -+ * protocol will start. -+ */ -+ halt_channel(hcd, hc, qtd, DWC_OTG_HC_XFER_NYET); -+ -+handle_nyet_done: -+ disable_hc_int(hc_regs, nyet); -+ return 1; -+} -+ -+/** -+ * Handles a host channel babble interrupt. This handler may be called in -+ * either DMA mode or Slave mode. -+ */ -+static int32_t handle_hc_babble_intr(dwc_otg_hcd_t *hcd, -+ dwc_hc_t *hc, -+ dwc_otg_hc_regs_t *hc_regs, -+ dwc_otg_qtd_t *qtd) -+{ -+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: " -+ "Babble Error--\n", hc->hc_num); -+ if (hc->ep_type != DWC_OTG_EP_TYPE_ISOC) { -+ dwc_otg_hcd_complete_urb(hcd, qtd->urb, -EOVERFLOW); -+ halt_channel(hcd, hc, qtd, DWC_OTG_HC_XFER_BABBLE_ERR); -+ } else { -+ dwc_otg_halt_status_e halt_status; -+ halt_status = update_isoc_urb_state(hcd, hc, hc_regs, qtd, -+ DWC_OTG_HC_XFER_BABBLE_ERR); -+ halt_channel(hcd, hc, qtd, halt_status); -+ } -+ disable_hc_int(hc_regs, bblerr); -+ return 1; -+} -+ -+/** -+ * Handles a host channel AHB error interrupt. This handler is only called in -+ * DMA mode. -+ */ -+static int32_t handle_hc_ahberr_intr(dwc_otg_hcd_t *hcd, -+ dwc_hc_t *hc, -+ dwc_otg_hc_regs_t *hc_regs, -+ dwc_otg_qtd_t *qtd) -+{ -+ hcchar_data_t hcchar; -+ hcsplt_data_t hcsplt; -+ hctsiz_data_t hctsiz; -+ uint32_t hcdma; -+ struct urb *urb = qtd->urb; -+ -+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: " -+ "AHB Error--\n", hc->hc_num); -+ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ hcsplt.d32 = dwc_read_reg32(&hc_regs->hcsplt); -+ hctsiz.d32 = dwc_read_reg32(&hc_regs->hctsiz); -+ hcdma = dwc_read_reg32(&hc_regs->hcdma); -+ -+ DWC_ERROR("AHB ERROR, Channel %d\n", hc->hc_num); -+ DWC_ERROR(" hcchar 0x%08x, hcsplt 0x%08x\n", hcchar.d32, hcsplt.d32); -+ DWC_ERROR(" hctsiz 0x%08x, hcdma 0x%08x\n", hctsiz.d32, hcdma); -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD URB Enqueue\n"); -+ DWC_ERROR(" Device address: %d\n", usb_pipedevice(urb->pipe)); -+ DWC_ERROR(" Endpoint: %d, %s\n", usb_pipeendpoint(urb->pipe), -+ (usb_pipein(urb->pipe) ? "IN" : "OUT")); -+ DWC_ERROR(" Endpoint type: %s\n", -+ ({char *pipetype; -+ switch (usb_pipetype(urb->pipe)) { -+ case PIPE_CONTROL: pipetype = "CONTROL"; break; -+ case PIPE_BULK: pipetype = "BULK"; break; -+ case PIPE_INTERRUPT: pipetype = "INTERRUPT"; break; -+ case PIPE_ISOCHRONOUS: pipetype = "ISOCHRONOUS"; break; -+ default: pipetype = "UNKNOWN"; break; -+ }; pipetype;})); -+ DWC_ERROR(" Speed: %s\n", -+ ({char *speed; -+ switch (urb->dev->speed) { -+ case USB_SPEED_HIGH: speed = "HIGH"; break; -+ case USB_SPEED_FULL: speed = "FULL"; break; -+ case USB_SPEED_LOW: speed = "LOW"; break; -+ default: speed = "UNKNOWN"; break; -+ }; speed;})); -+ DWC_ERROR(" Max packet size: %d\n", -+ usb_maxpacket(urb->dev, urb->pipe, usb_pipeout(urb->pipe))); -+ DWC_ERROR(" Data buffer length: %d\n", urb->transfer_buffer_length); -+ DWC_ERROR(" Transfer buffer: %p, Transfer DMA: %p\n", -+ urb->transfer_buffer, (void *)urb->transfer_dma); -+ DWC_ERROR(" Setup buffer: %p, Setup DMA: %p\n", -+ urb->setup_packet, (void *)urb->setup_dma); -+ DWC_ERROR(" Interval: %d\n", urb->interval); -+ -+ dwc_otg_hcd_complete_urb(hcd, urb, -EIO); -+ -+ /* -+ * Force a channel halt. Don't call halt_channel because that won't -+ * write to the HCCHARn register in DMA mode to force the halt. -+ */ -+ dwc_otg_hc_halt(hcd->core_if, hc, DWC_OTG_HC_XFER_AHB_ERR); -+ -+ disable_hc_int(hc_regs, ahberr); -+ return 1; -+} -+ -+/** -+ * Handles a host channel transaction error interrupt. This handler may be -+ * called in either DMA mode or Slave mode. -+ */ -+static int32_t handle_hc_xacterr_intr(dwc_otg_hcd_t *hcd, -+ dwc_hc_t *hc, -+ dwc_otg_hc_regs_t *hc_regs, -+ dwc_otg_qtd_t *qtd) -+{ -+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: " -+ "Transaction Error--\n", hc->hc_num); -+ -+ switch (usb_pipetype(qtd->urb->pipe)) { -+ case PIPE_CONTROL: -+ case PIPE_BULK: -+ qtd->error_count++; -+ if (!hc->qh->ping_state) { -+ update_urb_state_xfer_intr(hc, hc_regs, qtd->urb, -+ qtd, DWC_OTG_HC_XFER_XACT_ERR); -+ save_data_toggle(hc, hc_regs, qtd); -+ if (!hc->ep_is_in && qtd->urb->dev->speed == USB_SPEED_HIGH) { -+ hc->qh->ping_state = 1; -+ } -+ } -+ -+ /* -+ * Halt the channel so the transfer can be re-started from -+ * the appropriate point or the PING protocol will start. -+ */ -+ halt_channel(hcd, hc, qtd, DWC_OTG_HC_XFER_XACT_ERR); -+ break; -+ case PIPE_INTERRUPT: -+ qtd->error_count++; -+ if (hc->do_split && hc->complete_split) { -+ qtd->complete_split = 0; -+ } -+ halt_channel(hcd, hc, qtd, DWC_OTG_HC_XFER_XACT_ERR); -+ break; -+ case PIPE_ISOCHRONOUS: -+ { -+ dwc_otg_halt_status_e halt_status; -+ halt_status = update_isoc_urb_state(hcd, hc, hc_regs, qtd, -+ DWC_OTG_HC_XFER_XACT_ERR); -+ -+ halt_channel(hcd, hc, qtd, halt_status); -+ } -+ break; -+ } -+ -+ disable_hc_int(hc_regs, xacterr); -+ -+ return 1; -+} -+ -+/** -+ * Handles a host channel frame overrun interrupt. This handler may be called -+ * in either DMA mode or Slave mode. -+ */ -+static int32_t handle_hc_frmovrun_intr(dwc_otg_hcd_t *hcd, -+ dwc_hc_t *hc, -+ dwc_otg_hc_regs_t *hc_regs, -+ dwc_otg_qtd_t *qtd) -+{ -+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: " -+ "Frame Overrun--\n", hc->hc_num); -+ -+ switch (usb_pipetype(qtd->urb->pipe)) { -+ case PIPE_CONTROL: -+ case PIPE_BULK: -+ break; -+ case PIPE_INTERRUPT: -+ halt_channel(hcd, hc, qtd, DWC_OTG_HC_XFER_FRAME_OVERRUN); -+ break; -+ case PIPE_ISOCHRONOUS: -+ { -+ dwc_otg_halt_status_e halt_status; -+ halt_status = update_isoc_urb_state(hcd, hc, hc_regs, qtd, -+ DWC_OTG_HC_XFER_FRAME_OVERRUN); -+ -+ halt_channel(hcd, hc, qtd, halt_status); -+ } -+ break; -+ } -+ -+ disable_hc_int(hc_regs, frmovrun); -+ -+ return 1; -+} -+ -+/** -+ * Handles a host channel data toggle error interrupt. This handler may be -+ * called in either DMA mode or Slave mode. -+ */ -+static int32_t handle_hc_datatglerr_intr(dwc_otg_hcd_t *hcd, -+ dwc_hc_t *hc, -+ dwc_otg_hc_regs_t *hc_regs, -+ dwc_otg_qtd_t *qtd) -+{ -+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: " -+ "Data Toggle Error--\n", hc->hc_num); -+ -+ if (hc->ep_is_in) { -+ qtd->error_count = 0; -+ } else { -+ DWC_ERROR("Data Toggle Error on OUT transfer," -+ "channel %d\n", hc->hc_num); -+ } -+ -+ disable_hc_int(hc_regs, datatglerr); -+ -+ return 1; -+} -+ -+#ifdef DEBUG -+/** -+ * This function is for debug only. It checks that a valid halt status is set -+ * and that HCCHARn.chdis is clear. If there's a problem, corrective action is -+ * taken and a warning is issued. -+ * @return 1 if halt status is ok, 0 otherwise. -+ */ -+static inline int halt_status_ok(dwc_otg_hcd_t *hcd, -+ dwc_hc_t *hc, -+ dwc_otg_hc_regs_t *hc_regs, -+ dwc_otg_qtd_t *qtd) -+{ -+ hcchar_data_t hcchar; -+ hctsiz_data_t hctsiz; -+ hcint_data_t hcint; -+ hcintmsk_data_t hcintmsk; -+ hcsplt_data_t hcsplt; -+ -+ if (hc->halt_status == DWC_OTG_HC_XFER_NO_HALT_STATUS) { -+ /* -+ * This code is here only as a check. This condition should -+ * never happen. Ignore the halt if it does occur. -+ */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ hctsiz.d32 = dwc_read_reg32(&hc_regs->hctsiz); -+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint); -+ hcintmsk.d32 = dwc_read_reg32(&hc_regs->hcintmsk); -+ hcsplt.d32 = dwc_read_reg32(&hc_regs->hcsplt); -+ DWC_WARN("%s: hc->halt_status == DWC_OTG" -+ "channel %d, hcchar 0x%08x, hctsiz 0x%08x, " -+ "hcint 0x%08x, hcintmsk 0x%08x, " -+ "hcsplt 0x%08x, qtd->complete_split %d\n", -+ __func__, hc->hc_num, hcchar.d32, hctsiz.d32, -+ hcint.d32, hcintmsk.d32, -+ hcsplt.d32, qtd->complete_split); -+ -+ DWC_WARN("%s: no halt status, channel %d, ignoring interrupt\n", -+ __func__, hc->hc_num); -+ DWC_WARN("\n"); -+ clear_hc_int(hc_regs, chhltd); -+ return 0; -+ } -+ -+ /* -+ * This code is here only as a check. hcchar.chdis should -+ * never be set when the halt interrupt occurs. Halt the -+ * channel again if it does occur. -+ */ -+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar); -+ if (hcchar.b.chdis) { -+ DWC_WARN("%s: hcchar.chdis set unexpectedly, " -+ "hcchar 0x%08x, trying to halt again\n", -+ __func__, hcchar.d32); -+ clear_hc_int(hc_regs, chhltd); -+ hc->halt_pending = 0; -+ halt_channel(hcd, hc, qtd, hc->halt_status); -+ return 0; -+ } -+ -+ return 1; -+} -+#endif -+ -+/** -+ * Handles a host Channel Halted interrupt in DMA mode. This handler -+ * determines the reason the channel halted and proceeds accordingly. -+ */ -+static void handle_hc_chhltd_intr_dma(dwc_otg_hcd_t *hcd, -+ dwc_hc_t *hc, -+ dwc_otg_hc_regs_t *hc_regs, -+ dwc_otg_qtd_t *qtd) -+{ -+ hcint_data_t hcint; -+ hcintmsk_data_t hcintmsk; -+ int out_nak_enh = 0; -+ -+ /* For core with OUT NAK enhancement, the flow for high- -+ * speed CONTROL/BULK OUT is handled a little differently. -+ */ -+ if (hcd->core_if->snpsid >= 0x4F54271A) { -+ if (hc->speed == DWC_OTG_EP_SPEED_HIGH && !hc->ep_is_in && -+ (hc->ep_type == DWC_OTG_EP_TYPE_CONTROL || -+ hc->ep_type == DWC_OTG_EP_TYPE_BULK)) { -+ printk(KERN_DEBUG "OUT NAK enhancement enabled\n"); -+ out_nak_enh = 1; -+ } else { -+ printk(KERN_DEBUG "OUT NAK enhancement disabled, not HS Ctrl/Bulk OUT EP\n"); -+ } -+ } else { -+// printk(KERN_DEBUG "OUT NAK enhancement disabled, no core support\n"); -+ } -+ -+ if (hc->halt_status == DWC_OTG_HC_XFER_URB_DEQUEUE || -+ hc->halt_status == DWC_OTG_HC_XFER_AHB_ERR) { -+ /* -+ * Just release the channel. A dequeue can happen on a -+ * transfer timeout. In the case of an AHB Error, the channel -+ * was forced to halt because there's no way to gracefully -+ * recover. -+ */ -+ release_channel(hcd, hc, qtd, hc->halt_status); -+ return; -+ } -+ -+ /* Read the HCINTn register to determine the cause for the halt. */ -+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint); -+ hcintmsk.d32 = dwc_read_reg32(&hc_regs->hcintmsk); -+ -+ if (hcint.b.xfercomp) { -+ /** @todo This is here because of a possible hardware bug. Spec -+ * says that on SPLIT-ISOC OUT transfers in DMA mode that a HALT -+ * interrupt w/ACK bit set should occur, but I only see the -+ * XFERCOMP bit, even with it masked out. This is a workaround -+ * for that behavior. Should fix this when hardware is fixed. -+ */ -+ if (hc->ep_type == DWC_OTG_EP_TYPE_ISOC && !hc->ep_is_in) { -+ handle_hc_ack_intr(hcd, hc, hc_regs, qtd); -+ } -+ handle_hc_xfercomp_intr(hcd, hc, hc_regs, qtd); -+ } else if (hcint.b.stall) { -+ handle_hc_stall_intr(hcd, hc, hc_regs, qtd); -+ } else if (hcint.b.xacterr) { -+ if (out_nak_enh) { -+ if (hcint.b.nyet || hcint.b.nak || hcint.b.ack) { -+ printk(KERN_DEBUG "XactErr with NYET/NAK/ACK\n"); -+ qtd->error_count = 0; -+ } else { -+ printk(KERN_DEBUG "XactErr without NYET/NAK/ACK\n"); -+ } -+ } -+ -+ /* -+ * Must handle xacterr before nak or ack. Could get a xacterr -+ * at the same time as either of these on a BULK/CONTROL OUT -+ * that started with a PING. The xacterr takes precedence. -+ */ -+ handle_hc_xacterr_intr(hcd, hc, hc_regs, qtd); -+ } else if (!out_nak_enh) { -+ if (hcint.b.nyet) { -+ /* -+ * Must handle nyet before nak or ack. Could get a nyet at the -+ * same time as either of those on a BULK/CONTROL OUT that -+ * started with a PING. The nyet takes precedence. -+ */ -+ handle_hc_nyet_intr(hcd, hc, hc_regs, qtd); -+ } else if (hcint.b.bblerr) { -+ handle_hc_babble_intr(hcd, hc, hc_regs, qtd); -+ } else if (hcint.b.frmovrun) { -+ handle_hc_frmovrun_intr(hcd, hc, hc_regs, qtd); -+ } else if (hcint.b.nak && !hcintmsk.b.nak) { -+ /* -+ * If nak is not masked, it's because a non-split IN transfer -+ * is in an error state. In that case, the nak is handled by -+ * the nak interrupt handler, not here. Handle nak here for -+ * BULK/CONTROL OUT transfers, which halt on a NAK to allow -+ * rewinding the buffer pointer. -+ */ -+ handle_hc_nak_intr(hcd, hc, hc_regs, qtd); -+ } else if (hcint.b.ack && !hcintmsk.b.ack) { -+ /* -+ * If ack is not masked, it's because a non-split IN transfer -+ * is in an error state. In that case, the ack is handled by -+ * the ack interrupt handler, not here. Handle ack here for -+ * split transfers. Start splits halt on ACK. -+ */ -+ handle_hc_ack_intr(hcd, hc, hc_regs, qtd); -+ } else { -+ if (hc->ep_type == DWC_OTG_EP_TYPE_INTR || -+ hc->ep_type == DWC_OTG_EP_TYPE_ISOC) { -+ /* -+ * A periodic transfer halted with no other channel -+ * interrupts set. Assume it was halted by the core -+ * because it could not be completed in its scheduled -+ * (micro)frame. -+ */ -+#ifdef DEBUG -+ DWC_PRINT("%s: Halt channel %d (assume incomplete periodic transfer)\n", -+ __func__, hc->hc_num); -+#endif -+ halt_channel(hcd, hc, qtd, DWC_OTG_HC_XFER_PERIODIC_INCOMPLETE); -+ } else { -+ DWC_ERROR("%s: Channel %d, DMA Mode -- ChHltd set, but reason " -+ "for halting is unknown, hcint 0x%08x, intsts 0x%08x\n", -+ __func__, hc->hc_num, hcint.d32, -+ dwc_read_reg32(&hcd->core_if->core_global_regs->gintsts)); -+ } -+ } -+ } else { -+ printk(KERN_DEBUG "NYET/NAK/ACK/other in non-error case, 0x%08x\n", hcint.d32); -+ } -+} -+ -+/** -+ * Handles a host channel Channel Halted interrupt. -+ * -+ * In slave mode, this handler is called only when the driver specifically -+ * requests a halt. This occurs during handling other host channel interrupts -+ * (e.g. nak, xacterr, stall, nyet, etc.). -+ * -+ * In DMA mode, this is the interrupt that occurs when the core has finished -+ * processing a transfer on a channel. Other host channel interrupts (except -+ * ahberr) are disabled in DMA mode. -+ */ -+static int32_t handle_hc_chhltd_intr(dwc_otg_hcd_t *hcd, -+ dwc_hc_t *hc, -+ dwc_otg_hc_regs_t *hc_regs, -+ dwc_otg_qtd_t *qtd) -+{ -+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: " -+ "Channel Halted--\n", hc->hc_num); -+ -+ if (hcd->core_if->dma_enable) { -+ handle_hc_chhltd_intr_dma(hcd, hc, hc_regs, qtd); -+ } else { -+#ifdef DEBUG -+ if (!halt_status_ok(hcd, hc, hc_regs, qtd)) { -+ return 1; -+ } -+#endif -+ release_channel(hcd, hc, qtd, hc->halt_status); -+ } -+ -+ return 1; -+} -+ -+/** Handles interrupt for a specific Host Channel */ -+int32_t dwc_otg_hcd_handle_hc_n_intr(dwc_otg_hcd_t *dwc_otg_hcd, uint32_t num) -+{ -+ int retval = 0; -+ hcint_data_t hcint; -+ hcintmsk_data_t hcintmsk; -+ dwc_hc_t *hc; -+ dwc_otg_hc_regs_t *hc_regs; -+ dwc_otg_qtd_t *qtd; -+ -+ DWC_DEBUGPL(DBG_HCDV, "--Host Channel Interrupt--, Channel %d\n", num); -+ -+ hc = dwc_otg_hcd->hc_ptr_array[num]; -+ hc_regs = dwc_otg_hcd->core_if->host_if->hc_regs[num]; -+ qtd = list_entry(hc->qh->qtd_list.next, dwc_otg_qtd_t, qtd_list_entry); -+ -+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint); -+ hcintmsk.d32 = dwc_read_reg32(&hc_regs->hcintmsk); -+ DWC_DEBUGPL(DBG_HCDV, " hcint 0x%08x, hcintmsk 0x%08x, hcint&hcintmsk 0x%08x\n", -+ hcint.d32, hcintmsk.d32, (hcint.d32 & hcintmsk.d32)); -+ hcint.d32 = hcint.d32 & hcintmsk.d32; -+ -+ if (!dwc_otg_hcd->core_if->dma_enable) { -+ if (hcint.b.chhltd && hcint.d32 != 0x2) { -+ hcint.b.chhltd = 0; -+ } -+ } -+ -+ if (hcint.b.xfercomp) { -+ retval |= handle_hc_xfercomp_intr(dwc_otg_hcd, hc, hc_regs, qtd); -+ /* -+ * If NYET occurred at same time as Xfer Complete, the NYET is -+ * handled by the Xfer Complete interrupt handler. Don't want -+ * to call the NYET interrupt handler in this case. -+ */ -+ hcint.b.nyet = 0; -+ } -+ if (hcint.b.chhltd) { -+ retval |= handle_hc_chhltd_intr(dwc_otg_hcd, hc, hc_regs, qtd); -+ } -+ if (hcint.b.ahberr) { -+ retval |= handle_hc_ahberr_intr(dwc_otg_hcd, hc, hc_regs, qtd); -+ } -+ if (hcint.b.stall) { -+ retval |= handle_hc_stall_intr(dwc_otg_hcd, hc, hc_regs, qtd); -+ } -+ if (hcint.b.nak) { -+ retval |= handle_hc_nak_intr(dwc_otg_hcd, hc, hc_regs, qtd); -+ } -+ if (hcint.b.ack) { -+ retval |= handle_hc_ack_intr(dwc_otg_hcd, hc, hc_regs, qtd); -+ } -+ if (hcint.b.nyet) { -+ retval |= handle_hc_nyet_intr(dwc_otg_hcd, hc, hc_regs, qtd); -+ } -+ if (hcint.b.xacterr) { -+ retval |= handle_hc_xacterr_intr(dwc_otg_hcd, hc, hc_regs, qtd); -+ } -+ if (hcint.b.bblerr) { -+ retval |= handle_hc_babble_intr(dwc_otg_hcd, hc, hc_regs, qtd); -+ } -+ if (hcint.b.frmovrun) { -+ retval |= handle_hc_frmovrun_intr(dwc_otg_hcd, hc, hc_regs, qtd); -+ } -+ if (hcint.b.datatglerr) { -+ retval |= handle_hc_datatglerr_intr(dwc_otg_hcd, hc, hc_regs, qtd); -+ } -+ -+ return retval; -+} -+ -+#endif /* DWC_DEVICE_ONLY */ ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_hcd_queue.c -@@ -0,0 +1,684 @@ -+/* ========================================================================== -+ * $File: //dwh/usb_iip/dev/software/otg_ipmate/linux/drivers/dwc_otg_hcd_queue.c $ -+ * $Revision: 1.5 $ -+ * $Date: 2008-12-15 06:51:32 $ -+ * $Change: 537387 $ -+ * -+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, -+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless -+ * otherwise expressly agreed to in writing between Synopsys and you. -+ * -+ * The Software IS NOT an item of Licensed Software or Licensed Product under -+ * any End User Software License Agreement or Agreement for Licensed Product -+ * with Synopsys or any supplement thereto. You are permitted to use and -+ * redistribute this Software in source and binary forms, with or without -+ * modification, provided that redistributions of source code must retain this -+ * notice. You may not view, use, disclose, copy or distribute this file or -+ * any information contained herein except pursuant to this license grant from -+ * Synopsys. If you do not agree with this notice, including the disclaimer -+ * below, then you are not authorized to use the Software. -+ * -+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS -+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, -+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH -+ * DAMAGE. -+ * ========================================================================== */ -+#ifndef DWC_DEVICE_ONLY -+ -+/** -+ * @file -+ * -+ * This file contains the functions to manage Queue Heads and Queue -+ * Transfer Descriptors. -+ */ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/init.h> -+#include <linux/device.h> -+#include <linux/errno.h> -+#include <linux/list.h> -+#include <linux/interrupt.h> -+#include <linux/string.h> -+#include <linux/dma-mapping.h> -+ -+#include "dwc_otg_driver.h" -+#include "dwc_otg_hcd.h" -+#include "dwc_otg_regs.h" -+ -+/** -+ * This function allocates and initializes a QH. -+ * -+ * @param hcd The HCD state structure for the DWC OTG controller. -+ * @param[in] urb Holds the information about the device/endpoint that we need -+ * to initialize the QH. -+ * -+ * @return Returns pointer to the newly allocated QH, or NULL on error. */ -+dwc_otg_qh_t *dwc_otg_hcd_qh_create (dwc_otg_hcd_t *hcd, struct urb *urb) -+{ -+ dwc_otg_qh_t *qh; -+ -+ /* Allocate memory */ -+ /** @todo add memflags argument */ -+ qh = dwc_otg_hcd_qh_alloc (); -+ if (qh == NULL) { -+ return NULL; -+ } -+ -+ dwc_otg_hcd_qh_init (hcd, qh, urb); -+ return qh; -+} -+ -+/** Free each QTD in the QH's QTD-list then free the QH. QH should already be -+ * removed from a list. QTD list should already be empty if called from URB -+ * Dequeue. -+ * -+ * @param[in] hcd HCD instance. -+ * @param[in] qh The QH to free. -+ */ -+void dwc_otg_hcd_qh_free (dwc_otg_hcd_t *hcd, dwc_otg_qh_t *qh) -+{ -+ dwc_otg_qtd_t *qtd; -+ struct list_head *pos; -+ unsigned long flags; -+ -+ /* Free each QTD in the QTD list */ -+ SPIN_LOCK_IRQSAVE(&hcd->lock, flags) -+ for (pos = qh->qtd_list.next; -+ pos != &qh->qtd_list; -+ pos = qh->qtd_list.next) -+ { -+ list_del (pos); -+ qtd = dwc_list_to_qtd (pos); -+ dwc_otg_hcd_qtd_free (qtd); -+ } -+ SPIN_UNLOCK_IRQRESTORE(&hcd->lock, flags) -+ -+ if (qh->dw_align_buf) { -+ dma_free_coherent((dwc_otg_hcd_to_hcd(hcd))->self.controller, -+ hcd->core_if->core_params->max_transfer_size, -+ qh->dw_align_buf, -+ qh->dw_align_buf_dma); -+ } -+ -+ kfree (qh); -+ return; -+} -+ -+/** Initializes a QH structure. -+ * -+ * @param[in] hcd The HCD state structure for the DWC OTG controller. -+ * @param[in] qh The QH to init. -+ * @param[in] urb Holds the information about the device/endpoint that we need -+ * to initialize the QH. */ -+#define SCHEDULE_SLOP 10 -+void dwc_otg_hcd_qh_init(dwc_otg_hcd_t *hcd, dwc_otg_qh_t *qh, struct urb *urb) -+{ -+ char *speed, *type; -+ memset (qh, 0, sizeof (dwc_otg_qh_t)); -+ -+ /* Initialize QH */ -+ switch (usb_pipetype(urb->pipe)) { -+ case PIPE_CONTROL: -+ qh->ep_type = USB_ENDPOINT_XFER_CONTROL; -+ break; -+ case PIPE_BULK: -+ qh->ep_type = USB_ENDPOINT_XFER_BULK; -+ break; -+ case PIPE_ISOCHRONOUS: -+ qh->ep_type = USB_ENDPOINT_XFER_ISOC; -+ break; -+ case PIPE_INTERRUPT: -+ qh->ep_type = USB_ENDPOINT_XFER_INT; -+ break; -+ } -+ -+ qh->ep_is_in = usb_pipein(urb->pipe) ? 1 : 0; -+ -+ qh->data_toggle = DWC_OTG_HC_PID_DATA0; -+ qh->maxp = usb_maxpacket(urb->dev, urb->pipe, !(usb_pipein(urb->pipe))); -+ INIT_LIST_HEAD(&qh->qtd_list); -+ INIT_LIST_HEAD(&qh->qh_list_entry); -+ qh->channel = NULL; -+ -+ /* FS/LS Enpoint on HS Hub -+ * NOT virtual root hub */ -+ qh->do_split = 0; -+ if (((urb->dev->speed == USB_SPEED_LOW) || -+ (urb->dev->speed == USB_SPEED_FULL)) && -+ (urb->dev->tt) && (urb->dev->tt->hub) && (urb->dev->tt->hub->devnum != 1)) -+ { -+ DWC_DEBUGPL(DBG_HCD, "QH init: EP %d: TT found at hub addr %d, for port %d\n", -+ usb_pipeendpoint(urb->pipe), urb->dev->tt->hub->devnum, -+ urb->dev->ttport); -+ qh->do_split = 1; -+ } -+ -+ if (qh->ep_type == USB_ENDPOINT_XFER_INT || -+ qh->ep_type == USB_ENDPOINT_XFER_ISOC) { -+ /* Compute scheduling parameters once and save them. */ -+ hprt0_data_t hprt; -+ -+ /** @todo Account for split transfers in the bus time. */ -+ int bytecount = dwc_hb_mult(qh->maxp) * dwc_max_packet(qh->maxp); -+ -+ /* FIXME: work-around patch by Steven */ -+ qh->usecs = NS_TO_US(usb_calc_bus_time(urb->dev->speed, -+ usb_pipein(urb->pipe), -+ (qh->ep_type == USB_ENDPOINT_XFER_ISOC), -+ bytecount)); -+ -+ /* Start in a slightly future (micro)frame. */ -+ qh->sched_frame = dwc_frame_num_inc(hcd->frame_number, -+ SCHEDULE_SLOP); -+ qh->interval = urb->interval; -+#if 0 -+ /* Increase interrupt polling rate for debugging. */ -+ if (qh->ep_type == USB_ENDPOINT_XFER_INT) { -+ qh->interval = 8; -+ } -+#endif -+ hprt.d32 = dwc_read_reg32(hcd->core_if->host_if->hprt0); -+ if ((hprt.b.prtspd == DWC_HPRT0_PRTSPD_HIGH_SPEED) && -+ ((urb->dev->speed == USB_SPEED_LOW) || -+ (urb->dev->speed == USB_SPEED_FULL))) { -+ qh->interval *= 8; -+ qh->sched_frame |= 0x7; -+ qh->start_split_frame = qh->sched_frame; -+ } -+ -+ } -+ -+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD QH Initialized\n"); -+ DWC_DEBUGPL(DBG_HCDV, "DWC OTG HCD QH - qh = %p\n", qh); -+ DWC_DEBUGPL(DBG_HCDV, "DWC OTG HCD QH - Device Address = %d\n", -+ urb->dev->devnum); -+ DWC_DEBUGPL(DBG_HCDV, "DWC OTG HCD QH - Endpoint %d, %s\n", -+ usb_pipeendpoint(urb->pipe), -+ usb_pipein(urb->pipe) == USB_DIR_IN ? "IN" : "OUT"); -+ -+ switch(urb->dev->speed) { -+ case USB_SPEED_LOW: -+ speed = "low"; -+ break; -+ case USB_SPEED_FULL: -+ speed = "full"; -+ break; -+ case USB_SPEED_HIGH: -+ speed = "high"; -+ break; -+ default: -+ speed = "?"; -+ break; -+ } -+ DWC_DEBUGPL(DBG_HCDV, "DWC OTG HCD QH - Speed = %s\n", speed); -+ -+ switch (qh->ep_type) { -+ case USB_ENDPOINT_XFER_ISOC: -+ type = "isochronous"; -+ break; -+ case USB_ENDPOINT_XFER_INT: -+ type = "interrupt"; -+ break; -+ case USB_ENDPOINT_XFER_CONTROL: -+ type = "control"; -+ break; -+ case USB_ENDPOINT_XFER_BULK: -+ type = "bulk"; -+ break; -+ default: -+ type = "?"; -+ break; -+ } -+ DWC_DEBUGPL(DBG_HCDV, "DWC OTG HCD QH - Type = %s\n",type); -+ -+#ifdef DEBUG -+ if (qh->ep_type == USB_ENDPOINT_XFER_INT) { -+ DWC_DEBUGPL(DBG_HCDV, "DWC OTG HCD QH - usecs = %d\n", -+ qh->usecs); -+ DWC_DEBUGPL(DBG_HCDV, "DWC OTG HCD QH - interval = %d\n", -+ qh->interval); -+ } -+#endif -+ qh->dw_align_buf = NULL; -+ return; -+} -+ -+/** -+ * Checks that a channel is available for a periodic transfer. -+ * -+ * @return 0 if successful, negative error code otherise. -+ */ -+static int periodic_channel_available(dwc_otg_hcd_t *hcd) -+{ -+ /* -+ * Currently assuming that there is a dedicated host channnel for each -+ * periodic transaction plus at least one host channel for -+ * non-periodic transactions. -+ */ -+ int status; -+ int num_channels; -+ -+ num_channels = hcd->core_if->core_params->host_channels; -+ if ((hcd->periodic_channels + hcd->non_periodic_channels < num_channels) && -+ (hcd->periodic_channels < num_channels - 1)) { -+ status = 0; -+ } -+ else { -+ DWC_NOTICE("%s: Total channels: %d, Periodic: %d, Non-periodic: %d\n", -+ __func__, num_channels, hcd->periodic_channels, -+ hcd->non_periodic_channels); -+ status = -ENOSPC; -+ } -+ -+ return status; -+} -+ -+/** -+ * Checks that there is sufficient bandwidth for the specified QH in the -+ * periodic schedule. For simplicity, this calculation assumes that all the -+ * transfers in the periodic schedule may occur in the same (micro)frame. -+ * -+ * @param hcd The HCD state structure for the DWC OTG controller. -+ * @param qh QH containing periodic bandwidth required. -+ * -+ * @return 0 if successful, negative error code otherwise. -+ */ -+static int check_periodic_bandwidth(dwc_otg_hcd_t *hcd, dwc_otg_qh_t *qh) -+{ -+ int status; -+ uint16_t max_claimed_usecs; -+ -+ status = 0; -+ -+ if (hcd->core_if->core_params->speed == DWC_SPEED_PARAM_HIGH) { -+ /* -+ * High speed mode. -+ * Max periodic usecs is 80% x 125 usec = 100 usec. -+ */ -+ max_claimed_usecs = 100 - qh->usecs; -+ } else { -+ /* -+ * Full speed mode. -+ * Max periodic usecs is 90% x 1000 usec = 900 usec. -+ */ -+ max_claimed_usecs = 900 - qh->usecs; -+ } -+ -+ if (hcd->periodic_usecs > max_claimed_usecs) { -+ DWC_NOTICE("%s: already claimed usecs %d, required usecs %d\n", -+ __func__, hcd->periodic_usecs, qh->usecs); -+ status = -ENOSPC; -+ } -+ -+ return status; -+} -+ -+/** -+ * Checks that the max transfer size allowed in a host channel is large enough -+ * to handle the maximum data transfer in a single (micro)frame for a periodic -+ * transfer. -+ * -+ * @param hcd The HCD state structure for the DWC OTG controller. -+ * @param qh QH for a periodic endpoint. -+ * -+ * @return 0 if successful, negative error code otherwise. -+ */ -+static int check_max_xfer_size(dwc_otg_hcd_t *hcd, dwc_otg_qh_t *qh) -+{ -+ int status; -+ uint32_t max_xfer_size; -+ uint32_t max_channel_xfer_size; -+ -+ status = 0; -+ -+ max_xfer_size = dwc_max_packet(qh->maxp) * dwc_hb_mult(qh->maxp); -+ max_channel_xfer_size = hcd->core_if->core_params->max_transfer_size; -+ -+ if (max_xfer_size > max_channel_xfer_size) { -+ DWC_NOTICE("%s: Periodic xfer length %d > " -+ "max xfer length for channel %d\n", -+ __func__, max_xfer_size, max_channel_xfer_size); -+ status = -ENOSPC; -+ } -+ -+ return status; -+} -+ -+/** -+ * Schedules an interrupt or isochronous transfer in the periodic schedule. -+ * -+ * @param hcd The HCD state structure for the DWC OTG controller. -+ * @param qh QH for the periodic transfer. The QH should already contain the -+ * scheduling information. -+ * -+ * @return 0 if successful, negative error code otherwise. -+ */ -+static int schedule_periodic(dwc_otg_hcd_t *hcd, dwc_otg_qh_t *qh) -+{ -+ int status = 0; -+ -+ status = periodic_channel_available(hcd); -+ if (status) { -+ DWC_NOTICE("%s: No host channel available for periodic " -+ "transfer.\n", __func__); -+ return status; -+ } -+ -+ status = check_periodic_bandwidth(hcd, qh); -+ if (status) { -+ DWC_NOTICE("%s: Insufficient periodic bandwidth for " -+ "periodic transfer.\n", __func__); -+ return status; -+ } -+ -+ status = check_max_xfer_size(hcd, qh); -+ if (status) { -+ DWC_NOTICE("%s: Channel max transfer size too small " -+ "for periodic transfer.\n", __func__); -+ return status; -+ } -+ -+ /* Always start in the inactive schedule. */ -+ list_add_tail(&qh->qh_list_entry, &hcd->periodic_sched_inactive); -+ -+ /* Reserve the periodic channel. */ -+ hcd->periodic_channels++; -+ -+ /* Update claimed usecs per (micro)frame. */ -+ hcd->periodic_usecs += qh->usecs; -+ -+ /* Update average periodic bandwidth claimed and # periodic reqs for usbfs. */ -+ hcd_to_bus(dwc_otg_hcd_to_hcd(hcd))->bandwidth_allocated += qh->usecs / qh->interval; -+ if (qh->ep_type == USB_ENDPOINT_XFER_INT) { -+ hcd_to_bus(dwc_otg_hcd_to_hcd(hcd))->bandwidth_int_reqs++; -+ DWC_DEBUGPL(DBG_HCD, "Scheduled intr: qh %p, usecs %d, period %d\n", -+ qh, qh->usecs, qh->interval); -+ } else { -+ hcd_to_bus(dwc_otg_hcd_to_hcd(hcd))->bandwidth_isoc_reqs++; -+ DWC_DEBUGPL(DBG_HCD, "Scheduled isoc: qh %p, usecs %d, period %d\n", -+ qh, qh->usecs, qh->interval); -+ } -+ -+ return status; -+} -+ -+/** -+ * This function adds a QH to either the non periodic or periodic schedule if -+ * it is not already in the schedule. If the QH is already in the schedule, no -+ * action is taken. -+ * -+ * @return 0 if successful, negative error code otherwise. -+ */ -+int dwc_otg_hcd_qh_add (dwc_otg_hcd_t *hcd, dwc_otg_qh_t *qh) -+{ -+ unsigned long flags; -+ int status = 0; -+ -+ SPIN_LOCK_IRQSAVE(&hcd->lock, flags) -+ -+ if (!list_empty(&qh->qh_list_entry)) { -+ /* QH already in a schedule. */ -+ goto done; -+ } -+ -+ /* Add the new QH to the appropriate schedule */ -+ if (dwc_qh_is_non_per(qh)) { -+ /* Always start in the inactive schedule. */ -+ list_add_tail(&qh->qh_list_entry, &hcd->non_periodic_sched_inactive); -+ } else { -+ status = schedule_periodic(hcd, qh); -+ } -+ -+ done: -+ SPIN_UNLOCK_IRQRESTORE(&hcd->lock, flags) -+ -+ return status; -+} -+ -+/** -+ * Removes an interrupt or isochronous transfer from the periodic schedule. -+ * -+ * @param hcd The HCD state structure for the DWC OTG controller. -+ * @param qh QH for the periodic transfer. -+ */ -+static void deschedule_periodic(dwc_otg_hcd_t *hcd, dwc_otg_qh_t *qh) -+{ -+ list_del_init(&qh->qh_list_entry); -+ -+ /* Release the periodic channel reservation. */ -+ hcd->periodic_channels--; -+ -+ /* Update claimed usecs per (micro)frame. */ -+ hcd->periodic_usecs -= qh->usecs; -+ -+ /* Update average periodic bandwidth claimed and # periodic reqs for usbfs. */ -+ hcd_to_bus(dwc_otg_hcd_to_hcd(hcd))->bandwidth_allocated -= qh->usecs / qh->interval; -+ -+ if (qh->ep_type == USB_ENDPOINT_XFER_INT) { -+ hcd_to_bus(dwc_otg_hcd_to_hcd(hcd))->bandwidth_int_reqs--; -+ DWC_DEBUGPL(DBG_HCD, "Descheduled intr: qh %p, usecs %d, period %d\n", -+ qh, qh->usecs, qh->interval); -+ } else { -+ hcd_to_bus(dwc_otg_hcd_to_hcd(hcd))->bandwidth_isoc_reqs--; -+ DWC_DEBUGPL(DBG_HCD, "Descheduled isoc: qh %p, usecs %d, period %d\n", -+ qh, qh->usecs, qh->interval); -+ } -+} -+ -+/** -+ * Removes a QH from either the non-periodic or periodic schedule. Memory is -+ * not freed. -+ * -+ * @param[in] hcd The HCD state structure. -+ * @param[in] qh QH to remove from schedule. */ -+void dwc_otg_hcd_qh_remove (dwc_otg_hcd_t *hcd, dwc_otg_qh_t *qh) -+{ -+ unsigned long flags; -+ -+ SPIN_LOCK_IRQSAVE(&hcd->lock, flags); -+ -+ if (list_empty(&qh->qh_list_entry)) { -+ /* QH is not in a schedule. */ -+ goto done; -+ } -+ -+ if (dwc_qh_is_non_per(qh)) { -+ if (hcd->non_periodic_qh_ptr == &qh->qh_list_entry) { -+ hcd->non_periodic_qh_ptr = hcd->non_periodic_qh_ptr->next; -+ } -+ list_del_init(&qh->qh_list_entry); -+ } else { -+ deschedule_periodic(hcd, qh); -+ } -+ -+ done: -+ SPIN_UNLOCK_IRQRESTORE(&hcd->lock, flags) -+} -+ -+/** -+ * Deactivates a QH. For non-periodic QHs, removes the QH from the active -+ * non-periodic schedule. The QH is added to the inactive non-periodic -+ * schedule if any QTDs are still attached to the QH. -+ * -+ * For periodic QHs, the QH is removed from the periodic queued schedule. If -+ * there are any QTDs still attached to the QH, the QH is added to either the -+ * periodic inactive schedule or the periodic ready schedule and its next -+ * scheduled frame is calculated. The QH is placed in the ready schedule if -+ * the scheduled frame has been reached already. Otherwise it's placed in the -+ * inactive schedule. If there are no QTDs attached to the QH, the QH is -+ * completely removed from the periodic schedule. -+ */ -+void dwc_otg_hcd_qh_deactivate(dwc_otg_hcd_t *hcd, dwc_otg_qh_t *qh, int sched_next_periodic_split) -+{ -+ unsigned long flags; -+ SPIN_LOCK_IRQSAVE(&hcd->lock, flags); -+ -+ if (dwc_qh_is_non_per(qh)) { -+ dwc_otg_hcd_qh_remove(hcd, qh); -+ if (!list_empty(&qh->qtd_list)) { -+ /* Add back to inactive non-periodic schedule. */ -+ dwc_otg_hcd_qh_add(hcd, qh); -+ } -+ } else { -+ uint16_t frame_number = dwc_otg_hcd_get_frame_number(dwc_otg_hcd_to_hcd(hcd)); -+ -+ if (qh->do_split) { -+ /* Schedule the next continuing periodic split transfer */ -+ if (sched_next_periodic_split) { -+ -+ qh->sched_frame = frame_number; -+ if (dwc_frame_num_le(frame_number, -+ dwc_frame_num_inc(qh->start_split_frame, 1))) { -+ /* -+ * Allow one frame to elapse after start -+ * split microframe before scheduling -+ * complete split, but DONT if we are -+ * doing the next start split in the -+ * same frame for an ISOC out. -+ */ -+ if ((qh->ep_type != USB_ENDPOINT_XFER_ISOC) || (qh->ep_is_in != 0)) { -+ qh->sched_frame = dwc_frame_num_inc(qh->sched_frame, 1); -+ } -+ } -+ } else { -+ qh->sched_frame = dwc_frame_num_inc(qh->start_split_frame, -+ qh->interval); -+ if (dwc_frame_num_le(qh->sched_frame, frame_number)) { -+ qh->sched_frame = frame_number; -+ } -+ qh->sched_frame |= 0x7; -+ qh->start_split_frame = qh->sched_frame; -+ } -+ } else { -+ qh->sched_frame = dwc_frame_num_inc(qh->sched_frame, qh->interval); -+ if (dwc_frame_num_le(qh->sched_frame, frame_number)) { -+ qh->sched_frame = frame_number; -+ } -+ } -+ -+ if (list_empty(&qh->qtd_list)) { -+ dwc_otg_hcd_qh_remove(hcd, qh); -+ } else { -+ /* -+ * Remove from periodic_sched_queued and move to -+ * appropriate queue. -+ */ -+ if (qh->sched_frame == frame_number) { -+ list_move(&qh->qh_list_entry, -+ &hcd->periodic_sched_ready); -+ } else { -+ list_move(&qh->qh_list_entry, -+ &hcd->periodic_sched_inactive); -+ } -+ } -+ } -+ -+ SPIN_UNLOCK_IRQRESTORE(&hcd->lock, flags); -+} -+ -+/** -+ * This function allocates and initializes a QTD. -+ * -+ * @param[in] urb The URB to create a QTD from. Each URB-QTD pair will end up -+ * pointing to each other so each pair should have a unique correlation. -+ * -+ * @return Returns pointer to the newly allocated QTD, or NULL on error. */ -+dwc_otg_qtd_t *dwc_otg_hcd_qtd_create (struct urb *urb) -+{ -+ dwc_otg_qtd_t *qtd; -+ -+ qtd = dwc_otg_hcd_qtd_alloc (); -+ if (qtd == NULL) { -+ return NULL; -+ } -+ -+ dwc_otg_hcd_qtd_init (qtd, urb); -+ return qtd; -+} -+ -+/** -+ * Initializes a QTD structure. -+ * -+ * @param[in] qtd The QTD to initialize. -+ * @param[in] urb The URB to use for initialization. */ -+void dwc_otg_hcd_qtd_init (dwc_otg_qtd_t *qtd, struct urb *urb) -+{ -+ memset (qtd, 0, sizeof (dwc_otg_qtd_t)); -+ qtd->urb = urb; -+ if (usb_pipecontrol(urb->pipe)) { -+ /* -+ * The only time the QTD data toggle is used is on the data -+ * phase of control transfers. This phase always starts with -+ * DATA1. -+ */ -+ qtd->data_toggle = DWC_OTG_HC_PID_DATA1; -+ qtd->control_phase = DWC_OTG_CONTROL_SETUP; -+ } -+ -+ /* start split */ -+ qtd->complete_split = 0; -+ qtd->isoc_split_pos = DWC_HCSPLIT_XACTPOS_ALL; -+ qtd->isoc_split_offset = 0; -+ -+ /* Store the qtd ptr in the urb to reference what QTD. */ -+ urb->hcpriv = qtd; -+ return; -+} -+ -+/** -+ * This function adds a QTD to the QTD-list of a QH. It will find the correct -+ * QH to place the QTD into. If it does not find a QH, then it will create a -+ * new QH. If the QH to which the QTD is added is not currently scheduled, it -+ * is placed into the proper schedule based on its EP type. -+ * -+ * @param[in] qtd The QTD to add -+ * @param[in] dwc_otg_hcd The DWC HCD structure -+ * -+ * @return 0 if successful, negative error code otherwise. -+ */ -+int dwc_otg_hcd_qtd_add (dwc_otg_qtd_t *qtd, -+ dwc_otg_hcd_t *dwc_otg_hcd) -+{ -+ struct usb_host_endpoint *ep; -+ dwc_otg_qh_t *qh; -+ unsigned long flags; -+ int retval = 0; -+ -+ struct urb *urb = qtd->urb; -+ -+ SPIN_LOCK_IRQSAVE(&dwc_otg_hcd->lock, flags); -+ -+ /* -+ * Get the QH which holds the QTD-list to insert to. Create QH if it -+ * doesn't exist. -+ */ -+ ep = dwc_urb_to_endpoint(urb); -+ qh = (dwc_otg_qh_t *)ep->hcpriv; -+ if (qh == NULL) { -+ qh = dwc_otg_hcd_qh_create (dwc_otg_hcd, urb); -+ if (qh == NULL) { -+ goto done; -+ } -+ ep->hcpriv = qh; -+ } -+ -+ retval = dwc_otg_hcd_qh_add(dwc_otg_hcd, qh); -+ if (retval == 0) { -+ list_add_tail(&qtd->qtd_list_entry, &qh->qtd_list); -+ } -+ -+ done: -+ SPIN_UNLOCK_IRQRESTORE(&dwc_otg_hcd->lock, flags); -+ -+ return retval; -+} -+ -+#endif /* DWC_DEVICE_ONLY */ ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_pcd.c -@@ -0,0 +1,2523 @@ -+/* ========================================================================== -+ * $File: //dwh/usb_iip/dev/software/otg/linux/drivers/dwc_otg_pcd.c $ -+ * $Revision: 1.5 $ -+ * $Date: 2008-11-27 09:21:25 $ -+ * $Change: 1115682 $ -+ * -+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, -+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless -+ * otherwise expressly agreed to in writing between Synopsys and you. -+ * -+ * The Software IS NOT an item of Licensed Software or Licensed Product under -+ * any End User Software License Agreement or Agreement for Licensed Product -+ * with Synopsys or any supplement thereto. You are permitted to use and -+ * redistribute this Software in source and binary forms, with or without -+ * modification, provided that redistributions of source code must retain this -+ * notice. You may not view, use, disclose, copy or distribute this file or -+ * any information contained herein except pursuant to this license grant from -+ * Synopsys. If you do not agree with this notice, including the disclaimer -+ * below, then you are not authorized to use the Software. -+ * -+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS -+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, -+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH -+ * DAMAGE. -+ * ========================================================================== */ -+#ifndef DWC_HOST_ONLY -+ -+/** @file -+ * This file implements the Peripheral Controller Driver. -+ * -+ * The Peripheral Controller Driver (PCD) is responsible for -+ * translating requests from the Function Driver into the appropriate -+ * actions on the DWC_otg controller. It isolates the Function Driver -+ * from the specifics of the controller by providing an API to the -+ * Function Driver. -+ * -+ * The Peripheral Controller Driver for Linux will implement the -+ * Gadget API, so that the existing Gadget drivers can be used. -+ * (Gadget Driver is the Linux terminology for a Function Driver.) -+ * -+ * The Linux Gadget API is defined in the header file -+ * <code><linux/usb_gadget.h></code>. The USB EP operations API is -+ * defined in the structure <code>usb_ep_ops</code> and the USB -+ * Controller API is defined in the structure -+ * <code>usb_gadget_ops</code>. -+ * -+ * An important function of the PCD is managing interrupts generated -+ * by the DWC_otg controller. The implementation of the DWC_otg device -+ * mode interrupt service routines is in dwc_otg_pcd_intr.c. -+ * -+ * @todo Add Device Mode test modes (Test J mode, Test K mode, etc). -+ * @todo Does it work when the request size is greater than DEPTSIZ -+ * transfer size -+ * -+ */ -+ -+ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/init.h> -+#include <linux/device.h> -+#include <linux/errno.h> -+#include <linux/list.h> -+#include <linux/interrupt.h> -+#include <linux/string.h> -+#include <linux/dma-mapping.h> -+#include <linux/version.h> -+ -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21) -+# include <linux/usb/ch9.h> -+#else -+# include <linux/usb_ch9.h> -+#endif -+ -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24) -+#include <linux/usb/gadget.h> -+#else -+#include <linux/usb_gadget.h> -+#endif -+ -+#include "dwc_otg_driver.h" -+#include "dwc_otg_pcd.h" -+ -+ -+/** -+ * Static PCD pointer for use in usb_gadget_register_driver and -+ * usb_gadget_unregister_driver. Initialized in dwc_otg_pcd_init. -+ */ -+static dwc_otg_pcd_t *s_pcd = 0; -+ -+ -+/* Display the contents of the buffer */ -+extern void dump_msg(const u8 *buf, unsigned int length); -+ -+ -+/** -+ * This function completes a request. It call's the request call back. -+ */ -+void dwc_otg_request_done(dwc_otg_pcd_ep_t *ep, dwc_otg_pcd_request_t *req, -+ int status) -+{ -+ unsigned stopped = ep->stopped; -+ -+ DWC_DEBUGPL(DBG_PCDV, "%s(%p)\n", __func__, ep); -+ list_del_init(&req->queue); -+ -+ if (req->req.status == -EINPROGRESS) { -+ req->req.status = status; -+ } else { -+ status = req->req.status; -+ } -+ -+ /* don't modify queue heads during completion callback */ -+ ep->stopped = 1; -+ SPIN_UNLOCK(&ep->pcd->lock); -+ req->req.complete(&ep->ep, &req->req); -+ SPIN_LOCK(&ep->pcd->lock); -+ -+ if (ep->pcd->request_pending > 0) { -+ --ep->pcd->request_pending; -+ } -+ -+ ep->stopped = stopped; -+} -+ -+/** -+ * This function terminates all the requsts in the EP request queue. -+ */ -+void dwc_otg_request_nuke(dwc_otg_pcd_ep_t *ep) -+{ -+ dwc_otg_pcd_request_t *req; -+ -+ ep->stopped = 1; -+ -+ /* called with irqs blocked?? */ -+ while (!list_empty(&ep->queue)) { -+ req = list_entry(ep->queue.next, dwc_otg_pcd_request_t, -+ queue); -+ dwc_otg_request_done(ep, req, -ESHUTDOWN); -+ } -+} -+ -+/* USB Endpoint Operations */ -+/* -+ * The following sections briefly describe the behavior of the Gadget -+ * API endpoint operations implemented in the DWC_otg driver -+ * software. Detailed descriptions of the generic behavior of each of -+ * these functions can be found in the Linux header file -+ * include/linux/usb_gadget.h. -+ * -+ * The Gadget API provides wrapper functions for each of the function -+ * pointers defined in usb_ep_ops. The Gadget Driver calls the wrapper -+ * function, which then calls the underlying PCD function. The -+ * following sections are named according to the wrapper -+ * functions. Within each section, the corresponding DWC_otg PCD -+ * function name is specified. -+ * -+ */ -+ -+/** -+ * This function assigns periodic Tx FIFO to an periodic EP -+ * in shared Tx FIFO mode -+ */ -+static uint32_t assign_perio_tx_fifo(dwc_otg_core_if_t *core_if) -+{ -+ uint32_t PerTxMsk = 1; -+ int i; -+ for(i = 0; i < core_if->hwcfg4.b.num_dev_perio_in_ep; ++i) -+ { -+ if((PerTxMsk & core_if->p_tx_msk) == 0) { -+ core_if->p_tx_msk |= PerTxMsk; -+ return i + 1; -+ } -+ PerTxMsk <<= 1; -+ } -+ return 0; -+} -+/** -+ * This function releases periodic Tx FIFO -+ * in shared Tx FIFO mode -+ */ -+static void release_perio_tx_fifo(dwc_otg_core_if_t *core_if, uint32_t fifo_num) -+{ -+ core_if->p_tx_msk = (core_if->p_tx_msk & (1 << (fifo_num - 1))) ^ core_if->p_tx_msk; -+} -+/** -+ * This function assigns periodic Tx FIFO to an periodic EP -+ * in shared Tx FIFO mode -+ */ -+static uint32_t assign_tx_fifo(dwc_otg_core_if_t *core_if) -+{ -+ uint32_t TxMsk = 1; -+ int i; -+ -+ for(i = 0; i < core_if->hwcfg4.b.num_in_eps; ++i) -+ { -+ if((TxMsk & core_if->tx_msk) == 0) { -+ core_if->tx_msk |= TxMsk; -+ return i + 1; -+ } -+ TxMsk <<= 1; -+ } -+ return 0; -+} -+/** -+ * This function releases periodic Tx FIFO -+ * in shared Tx FIFO mode -+ */ -+static void release_tx_fifo(dwc_otg_core_if_t *core_if, uint32_t fifo_num) -+{ -+ core_if->tx_msk = (core_if->tx_msk & (1 << (fifo_num - 1))) ^ core_if->tx_msk; -+} -+ -+/** -+ * This function is called by the Gadget Driver for each EP to be -+ * configured for the current configuration (SET_CONFIGURATION). -+ * -+ * This function initializes the dwc_otg_ep_t data structure, and then -+ * calls dwc_otg_ep_activate. -+ */ -+static int dwc_otg_pcd_ep_enable(struct usb_ep *usb_ep, -+ const struct usb_endpoint_descriptor *ep_desc) -+{ -+ dwc_otg_pcd_ep_t *ep = 0; -+ dwc_otg_pcd_t *pcd = 0; -+ unsigned long flags; -+ -+ DWC_DEBUGPL(DBG_PCDV,"%s(%p,%p)\n", __func__, usb_ep, ep_desc); -+ -+ ep = container_of(usb_ep, dwc_otg_pcd_ep_t, ep); -+ if (!usb_ep || !ep_desc || ep->desc || -+ ep_desc->bDescriptorType != USB_DT_ENDPOINT) { -+ DWC_WARN("%s, bad ep or descriptor\n", __func__); -+ return -EINVAL; -+ } -+ if (ep == &ep->pcd->ep0) { -+ DWC_WARN("%s, bad ep(0)\n", __func__); -+ return -EINVAL; -+ } -+ -+ /* Check FIFO size? */ -+ if (!ep_desc->wMaxPacketSize) { -+ DWC_WARN("%s, bad %s maxpacket\n", __func__, usb_ep->name); -+ return -ERANGE; -+ } -+ -+ pcd = ep->pcd; -+ if (!pcd->driver || pcd->gadget.speed == USB_SPEED_UNKNOWN) { -+ DWC_WARN("%s, bogus device state\n", __func__); -+ return -ESHUTDOWN; -+ } -+ -+ SPIN_LOCK_IRQSAVE(&pcd->lock, flags); -+ -+ ep->desc = ep_desc; -+ ep->ep.maxpacket = le16_to_cpu (ep_desc->wMaxPacketSize); -+ -+ /* -+ * Activate the EP -+ */ -+ ep->stopped = 0; -+ -+ ep->dwc_ep.is_in = (USB_DIR_IN & ep_desc->bEndpointAddress) != 0; -+ ep->dwc_ep.maxpacket = ep->ep.maxpacket; -+ -+ ep->dwc_ep.type = ep_desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK; -+ -+ if(ep->dwc_ep.is_in) { -+ if(!pcd->otg_dev->core_if->en_multiple_tx_fifo) { -+ ep->dwc_ep.tx_fifo_num = 0; -+ -+ if (ep->dwc_ep.type == USB_ENDPOINT_XFER_ISOC) { -+ /* -+ * if ISOC EP then assign a Periodic Tx FIFO. -+ */ -+ ep->dwc_ep.tx_fifo_num = assign_perio_tx_fifo(pcd->otg_dev->core_if); -+ } -+ } else { -+ /* -+ * if Dedicated FIFOs mode is on then assign a Tx FIFO. -+ */ -+ ep->dwc_ep.tx_fifo_num = assign_tx_fifo(pcd->otg_dev->core_if); -+ -+ } -+ } -+ /* Set initial data PID. */ -+ if (ep->dwc_ep.type == USB_ENDPOINT_XFER_BULK) { -+ ep->dwc_ep.data_pid_start = 0; -+ } -+ -+ DWC_DEBUGPL(DBG_PCD, "Activate %s-%s: type=%d, mps=%d desc=%p\n", -+ ep->ep.name, (ep->dwc_ep.is_in ?"IN":"OUT"), -+ ep->dwc_ep.type, ep->dwc_ep.maxpacket, ep->desc); -+ -+ if(ep->dwc_ep.type != USB_ENDPOINT_XFER_ISOC) { -+ ep->dwc_ep.desc_addr = dwc_otg_ep_alloc_desc_chain(&ep->dwc_ep.dma_desc_addr, MAX_DMA_DESC_CNT); -+ } -+ -+ dwc_otg_ep_activate(GET_CORE_IF(pcd), &ep->dwc_ep); -+ SPIN_UNLOCK_IRQRESTORE(&pcd->lock, flags); -+ -+ return 0; -+} -+ -+/** -+ * This function is called when an EP is disabled due to disconnect or -+ * change in configuration. Any pending requests will terminate with a -+ * status of -ESHUTDOWN. -+ * -+ * This function modifies the dwc_otg_ep_t data structure for this EP, -+ * and then calls dwc_otg_ep_deactivate. -+ */ -+static int dwc_otg_pcd_ep_disable(struct usb_ep *usb_ep) -+{ -+ dwc_otg_pcd_ep_t *ep; -+ dwc_otg_pcd_t *pcd = 0; -+ unsigned long flags; -+ -+ DWC_DEBUGPL(DBG_PCDV,"%s(%p)\n", __func__, usb_ep); -+ ep = container_of(usb_ep, dwc_otg_pcd_ep_t, ep); -+ if (!usb_ep || !ep->desc) { -+ DWC_DEBUGPL(DBG_PCD, "%s, %s not enabled\n", __func__, -+ usb_ep ? ep->ep.name : NULL); -+ return -EINVAL; -+ } -+ -+ SPIN_LOCK_IRQSAVE(&ep->pcd->lock, flags); -+ -+ dwc_otg_request_nuke(ep); -+ -+ dwc_otg_ep_deactivate(GET_CORE_IF(ep->pcd), &ep->dwc_ep); -+ ep->desc = 0; -+ ep->stopped = 1; -+ -+ if(ep->dwc_ep.is_in) { -+ dwc_otg_flush_tx_fifo(GET_CORE_IF(ep->pcd), ep->dwc_ep.tx_fifo_num); -+ release_perio_tx_fifo(GET_CORE_IF(ep->pcd), ep->dwc_ep.tx_fifo_num); -+ release_tx_fifo(GET_CORE_IF(ep->pcd), ep->dwc_ep.tx_fifo_num); -+ } -+ -+ /* Free DMA Descriptors */ -+ pcd = ep->pcd; -+ -+ SPIN_UNLOCK_IRQRESTORE(&ep->pcd->lock, flags); -+ -+ if(ep->dwc_ep.type != USB_ENDPOINT_XFER_ISOC && ep->dwc_ep.desc_addr) { -+ dwc_otg_ep_free_desc_chain(ep->dwc_ep.desc_addr, ep->dwc_ep.dma_desc_addr, MAX_DMA_DESC_CNT); -+ } -+ -+ DWC_DEBUGPL(DBG_PCD, "%s disabled\n", usb_ep->name); -+ return 0; -+} -+ -+ -+/** -+ * This function allocates a request object to use with the specified -+ * endpoint. -+ * -+ * @param ep The endpoint to be used with with the request -+ * @param gfp_flags the GFP_* flags to use. -+ */ -+static struct usb_request *dwc_otg_pcd_alloc_request(struct usb_ep *ep, -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) -+ int gfp_flags -+#else -+ gfp_t gfp_flags -+#endif -+ ) -+{ -+ dwc_otg_pcd_request_t *req; -+ -+ DWC_DEBUGPL(DBG_PCDV,"%s(%p,%d)\n", __func__, ep, gfp_flags); -+ if (0 == ep) { -+ DWC_WARN("%s() %s\n", __func__, "Invalid EP!\n"); -+ return 0; -+ } -+ req = kmalloc(sizeof(dwc_otg_pcd_request_t), gfp_flags); -+ if (0 == req) { -+ DWC_WARN("%s() %s\n", __func__, -+ "request allocation failed!\n"); -+ return 0; -+ } -+ memset(req, 0, sizeof(dwc_otg_pcd_request_t)); -+ req->req.dma = DMA_ADDR_INVALID; -+ INIT_LIST_HEAD(&req->queue); -+ return &req->req; -+} -+ -+/** -+ * This function frees a request object. -+ * -+ * @param ep The endpoint associated with the request -+ * @param req The request being freed -+ */ -+static void dwc_otg_pcd_free_request(struct usb_ep *ep, -+ struct usb_request *req) -+{ -+ dwc_otg_pcd_request_t *request; -+ DWC_DEBUGPL(DBG_PCDV,"%s(%p,%p)\n", __func__, ep, req); -+ -+ if (0 == ep || 0 == req) { -+ DWC_WARN("%s() %s\n", __func__, -+ "Invalid ep or req argument!\n"); -+ return; -+ } -+ -+ request = container_of(req, dwc_otg_pcd_request_t, req); -+ kfree(request); -+} -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) -+/** -+ * This function allocates an I/O buffer to be used for a transfer -+ * to/from the specified endpoint. -+ * -+ * @param usb_ep The endpoint to be used with with the request -+ * @param bytes The desired number of bytes for the buffer -+ * @param dma Pointer to the buffer's DMA address; must be valid -+ * @param gfp_flags the GFP_* flags to use. -+ * @return address of a new buffer or null is buffer could not be allocated. -+ */ -+static void *dwc_otg_pcd_alloc_buffer(struct usb_ep *usb_ep, unsigned bytes, -+ dma_addr_t *dma, -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) -+ int gfp_flags -+#else -+ gfp_t gfp_flags -+#endif -+ ) -+{ -+ void *buf; -+ dwc_otg_pcd_ep_t *ep; -+ dwc_otg_pcd_t *pcd = 0; -+ -+ ep = container_of(usb_ep, dwc_otg_pcd_ep_t, ep); -+ pcd = ep->pcd; -+ -+ DWC_DEBUGPL(DBG_PCDV,"%s(%p,%d,%p,%0x)\n", __func__, usb_ep, bytes, -+ dma, gfp_flags); -+ -+ /* Check dword alignment */ -+ if ((bytes & 0x3UL) != 0) { -+ DWC_WARN("%s() Buffer size is not a multiple of" -+ "DWORD size (%d)",__func__, bytes); -+ } -+ -+ if (GET_CORE_IF(pcd)->dma_enable) { -+ buf = dma_alloc_coherent (NULL, bytes, dma, gfp_flags); -+ } -+ else { -+ buf = kmalloc(bytes, gfp_flags); -+ } -+ -+ /* Check dword alignment */ -+ if (((int)buf & 0x3UL) != 0) { -+ DWC_WARN("%s() Buffer is not DWORD aligned (%p)", -+ __func__, buf); -+ } -+ -+ return buf; -+} -+ -+/** -+ * This function frees an I/O buffer that was allocated by alloc_buffer. -+ * -+ * @param usb_ep the endpoint associated with the buffer -+ * @param buf address of the buffer -+ * @param dma The buffer's DMA address -+ * @param bytes The number of bytes of the buffer -+ */ -+static void dwc_otg_pcd_free_buffer(struct usb_ep *usb_ep, void *buf, -+ dma_addr_t dma, unsigned bytes) -+{ -+ dwc_otg_pcd_ep_t *ep; -+ dwc_otg_pcd_t *pcd = 0; -+ -+ ep = container_of(usb_ep, dwc_otg_pcd_ep_t, ep); -+ pcd = ep->pcd; -+ -+ DWC_DEBUGPL(DBG_PCDV,"%s(%p,%p,%0x,%d)\n", __func__, ep, buf, dma, bytes); -+ -+ if (GET_CORE_IF(pcd)->dma_enable) { -+ dma_free_coherent (NULL, bytes, buf, dma); -+ } -+ else { -+ kfree(buf); -+ } -+} -+#endif -+ -+ -+/** -+ * This function is used to submit an I/O Request to an EP. -+ * -+ * - When the request completes the request's completion callback -+ * is called to return the request to the driver. -+ * - An EP, except control EPs, may have multiple requests -+ * pending. -+ * - Once submitted the request cannot be examined or modified. -+ * - Each request is turned into one or more packets. -+ * - A BULK EP can queue any amount of data; the transfer is -+ * packetized. -+ * - Zero length Packets are specified with the request 'zero' -+ * flag. -+ */ -+static int dwc_otg_pcd_ep_queue(struct usb_ep *usb_ep, -+ struct usb_request *usb_req, -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) -+ int gfp_flags -+#else -+ gfp_t gfp_flags -+#endif -+ ) -+{ -+ int prevented = 0; -+ dwc_otg_pcd_request_t *req; -+ dwc_otg_pcd_ep_t *ep; -+ dwc_otg_pcd_t *pcd; -+ unsigned long flags = 0; -+ dwc_otg_core_if_t *_core_if; -+ -+ DWC_DEBUGPL(DBG_PCDV,"%s(%p,%p,%d)\n", -+ __func__, usb_ep, usb_req, gfp_flags); -+ -+ req = container_of(usb_req, dwc_otg_pcd_request_t, req); -+ if (!usb_req || !usb_req->complete || !usb_req->buf || -+ !list_empty(&req->queue)) { -+ DWC_WARN("%s, bad params\n", __func__); -+ return -EINVAL; -+ } -+ -+ ep = container_of(usb_ep, dwc_otg_pcd_ep_t, ep); -+ if (!usb_ep || (!ep->desc && ep->dwc_ep.num != 0)/* || ep->stopped != 0*/) { -+ DWC_WARN("%s, bad ep\n", __func__); -+ return -EINVAL; -+ } -+ -+ pcd = ep->pcd; -+ if (!pcd->driver || pcd->gadget.speed == USB_SPEED_UNKNOWN) { -+ DWC_DEBUGPL(DBG_PCDV, "gadget.speed=%d\n", pcd->gadget.speed); -+ DWC_WARN("%s, bogus device state\n", __func__); -+ return -ESHUTDOWN; -+ } -+ -+ -+ DWC_DEBUGPL(DBG_PCD, "%s queue req %p, len %d buf %p\n", -+ usb_ep->name, usb_req, usb_req->length, usb_req->buf); -+ -+ if (!GET_CORE_IF(pcd)->core_params->opt) { -+ if (ep->dwc_ep.num != 0) { -+ DWC_ERROR("%s queue req %p, len %d buf %p\n", -+ usb_ep->name, usb_req, usb_req->length, usb_req->buf); -+ } -+ } -+ -+ SPIN_LOCK_IRQSAVE(&ep->pcd->lock, flags); -+ -+ -+ /************************************************** -+ New add by kaiker ,for DMA mode bug -+ ************************************************/ -+ //by kaiker ,for RT3052 USB OTG device mode -+ -+ _core_if = GET_CORE_IF(pcd); -+ -+ if (_core_if->dma_enable) -+ { -+ usb_req->dma = virt_to_phys((void *)usb_req->buf); -+ -+ if(ep->dwc_ep.is_in) -+ { -+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)) || defined(CONFIG_MIPS) -+ if(usb_req->length) -+ dma_cache_wback_inv((unsigned long)usb_req->buf, usb_req->length + 2); -+#endif -+ } -+ } -+ -+ -+ -+#if defined(DEBUG) & defined(VERBOSE) -+ dump_msg(usb_req->buf, usb_req->length); -+#endif -+ -+ usb_req->status = -EINPROGRESS; -+ usb_req->actual = 0; -+ -+ /* -+ * For EP0 IN without premature status, zlp is required? -+ */ -+ if (ep->dwc_ep.num == 0 && ep->dwc_ep.is_in) { -+ DWC_DEBUGPL(DBG_PCDV, "%s-OUT ZLP\n", usb_ep->name); -+ //_req->zero = 1; -+ } -+ -+ /* Start the transfer */ -+ if (list_empty(&ep->queue) && !ep->stopped) { -+ /* EP0 Transfer? */ -+ if (ep->dwc_ep.num == 0) { -+ switch (pcd->ep0state) { -+ case EP0_IN_DATA_PHASE: -+ DWC_DEBUGPL(DBG_PCD, -+ "%s ep0: EP0_IN_DATA_PHASE\n", -+ __func__); -+ break; -+ -+ case EP0_OUT_DATA_PHASE: -+ DWC_DEBUGPL(DBG_PCD, -+ "%s ep0: EP0_OUT_DATA_PHASE\n", -+ __func__); -+ if (pcd->request_config) { -+ /* Complete STATUS PHASE */ -+ ep->dwc_ep.is_in = 1; -+ pcd->ep0state = EP0_IN_STATUS_PHASE; -+ } -+ break; -+ -+ case EP0_IN_STATUS_PHASE: -+ DWC_DEBUGPL(DBG_PCD, -+ "%s ep0: EP0_IN_STATUS_PHASE\n", -+ __func__); -+ break; -+ -+ default: -+ DWC_DEBUGPL(DBG_ANY, "ep0: odd state %d\n", -+ pcd->ep0state); -+ SPIN_UNLOCK_IRQRESTORE(&pcd->lock, flags); -+ return -EL2HLT; -+ } -+ ep->dwc_ep.dma_addr = usb_req->dma; -+ ep->dwc_ep.start_xfer_buff = usb_req->buf; -+ ep->dwc_ep.xfer_buff = usb_req->buf; -+ ep->dwc_ep.xfer_len = usb_req->length; -+ ep->dwc_ep.xfer_count = 0; -+ ep->dwc_ep.sent_zlp = 0; -+ ep->dwc_ep.total_len = ep->dwc_ep.xfer_len; -+ -+ if(usb_req->zero) { -+ if((ep->dwc_ep.xfer_len % ep->dwc_ep.maxpacket == 0) -+ && (ep->dwc_ep.xfer_len != 0)) { -+ ep->dwc_ep.sent_zlp = 1; -+ } -+ -+ } -+ -+ dwc_otg_ep0_start_transfer(GET_CORE_IF(pcd), &ep->dwc_ep); -+ } -+ else { -+ -+ uint32_t max_transfer = GET_CORE_IF(ep->pcd)->core_params->max_transfer_size; -+ -+ /* Setup and start the Transfer */ -+ ep->dwc_ep.dma_addr = usb_req->dma; -+ ep->dwc_ep.start_xfer_buff = usb_req->buf; -+ ep->dwc_ep.xfer_buff = usb_req->buf; -+ ep->dwc_ep.sent_zlp = 0; -+ ep->dwc_ep.total_len = usb_req->length; -+ ep->dwc_ep.xfer_len = 0; -+ ep->dwc_ep.xfer_count = 0; -+ -+ if(max_transfer > MAX_TRANSFER_SIZE) { -+ ep->dwc_ep.maxxfer = max_transfer - (max_transfer % ep->dwc_ep.maxpacket); -+ } else { -+ ep->dwc_ep.maxxfer = max_transfer; -+ } -+ -+ if(usb_req->zero) { -+ if((ep->dwc_ep.total_len % ep->dwc_ep.maxpacket == 0) -+ && (ep->dwc_ep.total_len != 0)) { -+ ep->dwc_ep.sent_zlp = 1; -+ } -+ -+ } -+ dwc_otg_ep_start_transfer(GET_CORE_IF(pcd), &ep->dwc_ep); -+ } -+ } -+ -+ if ((req != 0) || prevented) { -+ ++pcd->request_pending; -+ list_add_tail(&req->queue, &ep->queue); -+ if (ep->dwc_ep.is_in && ep->stopped && !(GET_CORE_IF(pcd)->dma_enable)) { -+ /** @todo NGS Create a function for this. */ -+ diepmsk_data_t diepmsk = { .d32 = 0}; -+ diepmsk.b.intktxfemp = 1; -+ if(&GET_CORE_IF(pcd)->multiproc_int_enable) { -+ dwc_modify_reg32(&GET_CORE_IF(pcd)->dev_if->dev_global_regs->diepeachintmsk[ep->dwc_ep.num], -+ 0, diepmsk.d32); -+ } else { -+ dwc_modify_reg32(&GET_CORE_IF(pcd)->dev_if->dev_global_regs->diepmsk, 0, diepmsk.d32); -+ } -+ } -+ } -+ -+ SPIN_UNLOCK_IRQRESTORE(&pcd->lock, flags); -+ return 0; -+} -+ -+/** -+ * This function cancels an I/O request from an EP. -+ */ -+static int dwc_otg_pcd_ep_dequeue(struct usb_ep *usb_ep, -+ struct usb_request *usb_req) -+{ -+ dwc_otg_pcd_request_t *req; -+ dwc_otg_pcd_ep_t *ep; -+ dwc_otg_pcd_t *pcd; -+ unsigned long flags; -+ -+ DWC_DEBUGPL(DBG_PCDV,"%s(%p,%p)\n", __func__, usb_ep, usb_req); -+ -+ ep = container_of(usb_ep, dwc_otg_pcd_ep_t, ep); -+ if (!usb_ep || !usb_req || (!ep->desc && ep->dwc_ep.num != 0)) { -+ DWC_WARN("%s, bad argument\n", __func__); -+ return -EINVAL; -+ } -+ pcd = ep->pcd; -+ if (!pcd->driver || pcd->gadget.speed == USB_SPEED_UNKNOWN) { -+ DWC_WARN("%s, bogus device state\n", __func__); -+ return -ESHUTDOWN; -+ } -+ -+ SPIN_LOCK_IRQSAVE(&pcd->lock, flags); -+ DWC_DEBUGPL(DBG_PCDV, "%s %s %s %p\n", __func__, usb_ep->name, -+ ep->dwc_ep.is_in ? "IN" : "OUT", -+ usb_req); -+ -+ /* make sure it's actually queued on this endpoint */ -+ list_for_each_entry(req, &ep->queue, queue) -+ { -+ if (&req->req == usb_req) { -+ break; -+ } -+ } -+ -+ if (&req->req != usb_req) { -+ SPIN_UNLOCK_IRQRESTORE(&pcd->lock, flags); -+ return -EINVAL; -+ } -+ -+ if (!list_empty(&req->queue)) { -+ dwc_otg_request_done(ep, req, -ECONNRESET); -+ } -+ else { -+ req = 0; -+ } -+ -+ SPIN_UNLOCK_IRQRESTORE(&pcd->lock, flags); -+ -+ return req ? 0 : -EOPNOTSUPP; -+} -+ -+/** -+ * usb_ep_set_halt stalls an endpoint. -+ * -+ * usb_ep_clear_halt clears an endpoint halt and resets its data -+ * toggle. -+ * -+ * Both of these functions are implemented with the same underlying -+ * function. The behavior depends on the value argument. -+ * -+ * @param[in] usb_ep the Endpoint to halt or clear halt. -+ * @param[in] value -+ * - 0 means clear_halt. -+ * - 1 means set_halt, -+ * - 2 means clear stall lock flag. -+ * - 3 means set stall lock flag. -+ */ -+static int dwc_otg_pcd_ep_set_halt(struct usb_ep *usb_ep, int value) -+{ -+ int retval = 0; -+ unsigned long flags; -+ dwc_otg_pcd_ep_t *ep = 0; -+ -+ -+ DWC_DEBUGPL(DBG_PCD,"HALT %s %d\n", usb_ep->name, value); -+ -+ ep = container_of(usb_ep, dwc_otg_pcd_ep_t, ep); -+ -+ if (!usb_ep || (!ep->desc && ep != &ep->pcd->ep0) || -+ ep->desc->bmAttributes == USB_ENDPOINT_XFER_ISOC) { -+ DWC_WARN("%s, bad ep\n", __func__); -+ return -EINVAL; -+ } -+ -+ SPIN_LOCK_IRQSAVE(&ep->pcd->lock, flags); -+ if (!list_empty(&ep->queue)) { -+ DWC_WARN("%s() %s XFer In process\n", __func__, usb_ep->name); -+ retval = -EAGAIN; -+ } -+ else if (value == 0) { -+ dwc_otg_ep_clear_stall(ep->pcd->otg_dev->core_if, -+ &ep->dwc_ep); -+ } -+ else if(value == 1) { -+ if (ep->dwc_ep.is_in == 1 && ep->pcd->otg_dev->core_if->dma_desc_enable) { -+ dtxfsts_data_t txstatus; -+ fifosize_data_t txfifosize; -+ -+ txfifosize.d32 = dwc_read_reg32(&ep->pcd->otg_dev->core_if->core_global_regs->dptxfsiz_dieptxf[ep->dwc_ep.tx_fifo_num]); -+ txstatus.d32 = dwc_read_reg32(&ep->pcd->otg_dev->core_if->dev_if->in_ep_regs[ep->dwc_ep.num]->dtxfsts); -+ -+ if(txstatus.b.txfspcavail < txfifosize.b.depth) { -+ DWC_WARN("%s() %s Data In Tx Fifo\n", __func__, usb_ep->name); -+ retval = -EAGAIN; -+ } -+ else { -+ if (ep->dwc_ep.num == 0) { -+ ep->pcd->ep0state = EP0_STALL; -+ } -+ -+ ep->stopped = 1; -+ dwc_otg_ep_set_stall(ep->pcd->otg_dev->core_if, -+ &ep->dwc_ep); -+ } -+ } -+ else { -+ if (ep->dwc_ep.num == 0) { -+ ep->pcd->ep0state = EP0_STALL; -+ } -+ -+ ep->stopped = 1; -+ dwc_otg_ep_set_stall(ep->pcd->otg_dev->core_if, -+ &ep->dwc_ep); -+ } -+ } -+ else if (value == 2) { -+ ep->dwc_ep.stall_clear_flag = 0; -+ } -+ else if (value == 3) { -+ ep->dwc_ep.stall_clear_flag = 1; -+ } -+ -+ SPIN_UNLOCK_IRQRESTORE(&ep->pcd->lock, flags); -+ return retval; -+} -+ -+/** -+ * This function allocates a DMA Descriptor chain for the Endpoint -+ * buffer to be used for a transfer to/from the specified endpoint. -+ */ -+dwc_otg_dma_desc_t* dwc_otg_ep_alloc_desc_chain(uint32_t * dma_desc_addr, uint32_t count) -+{ -+ -+ return dma_alloc_coherent(NULL, count * sizeof(dwc_otg_dma_desc_t), dma_desc_addr, GFP_KERNEL); -+} -+ -+/** -+ * This function frees a DMA Descriptor chain that was allocated by ep_alloc_desc. -+ */ -+void dwc_otg_ep_free_desc_chain(dwc_otg_dma_desc_t* desc_addr, uint32_t dma_desc_addr, uint32_t count) -+{ -+ dma_free_coherent(NULL, count * sizeof(dwc_otg_dma_desc_t), desc_addr, dma_desc_addr); -+} -+ -+#ifdef DWC_EN_ISOC -+ -+/** -+ * This function initializes a descriptor chain for Isochronous transfer -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param dwc_ep The EP to start the transfer on. -+ * -+ */ -+void dwc_otg_iso_ep_start_ddma_transfer(dwc_otg_core_if_t *core_if, dwc_ep_t *dwc_ep) -+{ -+ -+ dsts_data_t dsts = { .d32 = 0}; -+ depctl_data_t depctl = { .d32 = 0 }; -+ volatile uint32_t *addr; -+ int i, j; -+ -+ if(dwc_ep->is_in) -+ dwc_ep->desc_cnt = dwc_ep->buf_proc_intrvl / dwc_ep->bInterval; -+ else -+ dwc_ep->desc_cnt = dwc_ep->buf_proc_intrvl * dwc_ep->pkt_per_frm / dwc_ep->bInterval; -+ -+ -+ /** Allocate descriptors for double buffering */ -+ dwc_ep->iso_desc_addr = dwc_otg_ep_alloc_desc_chain(&dwc_ep->iso_dma_desc_addr,dwc_ep->desc_cnt*2); -+ if(dwc_ep->desc_addr) { -+ DWC_WARN("%s, can't allocate DMA descriptor chain\n", __func__); -+ return; -+ } -+ -+ dsts.d32 = dwc_read_reg32(&core_if->dev_if->dev_global_regs->dsts); -+ -+ /** ISO OUT EP */ -+ if(dwc_ep->is_in == 0) { -+ desc_sts_data_t sts = { .d32 =0 }; -+ dwc_otg_dma_desc_t* dma_desc = dwc_ep->iso_desc_addr; -+ dma_addr_t dma_ad; -+ uint32_t data_per_desc; -+ dwc_otg_dev_out_ep_regs_t *out_regs = -+ core_if->dev_if->out_ep_regs[dwc_ep->num]; -+ int offset; -+ -+ addr = &core_if->dev_if->out_ep_regs[dwc_ep->num]->doepctl; -+ dma_ad = (dma_addr_t)dwc_read_reg32(&(out_regs->doepdma)); -+ -+ /** Buffer 0 descriptors setup */ -+ dma_ad = dwc_ep->dma_addr0; -+ -+ sts.b_iso_out.bs = BS_HOST_READY; -+ sts.b_iso_out.rxsts = 0; -+ sts.b_iso_out.l = 0; -+ sts.b_iso_out.sp = 0; -+ sts.b_iso_out.ioc = 0; -+ sts.b_iso_out.pid = 0; -+ sts.b_iso_out.framenum = 0; -+ -+ offset = 0; -+ for(i = 0; i < dwc_ep->desc_cnt - dwc_ep->pkt_per_frm; i+= dwc_ep->pkt_per_frm) -+ { -+ -+ for(j = 0; j < dwc_ep->pkt_per_frm; ++j) -+ { -+ data_per_desc = ((j + 1) * dwc_ep->maxpacket > dwc_ep->data_per_frame) ? -+ dwc_ep->data_per_frame - j * dwc_ep->maxpacket : dwc_ep->maxpacket; -+ -+ data_per_desc += (data_per_desc % 4) ? (4 - data_per_desc % 4):0; -+ sts.b_iso_out.rxbytes = data_per_desc; -+ writel((uint32_t)dma_ad, &dma_desc->buf); -+ writel(sts.d32, &dma_desc->status); -+ -+ offset += data_per_desc; -+ dma_desc ++; -+ (uint32_t)dma_ad += data_per_desc; -+ } -+ } -+ -+ for(j = 0; j < dwc_ep->pkt_per_frm - 1; ++j) -+ { -+ data_per_desc = ((j + 1) * dwc_ep->maxpacket > dwc_ep->data_per_frame) ? -+ dwc_ep->data_per_frame - j * dwc_ep->maxpacket : dwc_ep->maxpacket; -+ data_per_desc += (data_per_desc % 4) ? (4 - data_per_desc % 4):0; -+ sts.b_iso_out.rxbytes = data_per_desc; -+ writel((uint32_t)dma_ad, &dma_desc->buf); -+ writel(sts.d32, &dma_desc->status); -+ -+ offset += data_per_desc; -+ dma_desc ++; -+ (uint32_t)dma_ad += data_per_desc; -+ } -+ -+ sts.b_iso_out.ioc = 1; -+ data_per_desc = ((j + 1) * dwc_ep->maxpacket > dwc_ep->data_per_frame) ? -+ dwc_ep->data_per_frame - j * dwc_ep->maxpacket : dwc_ep->maxpacket; -+ data_per_desc += (data_per_desc % 4) ? (4 - data_per_desc % 4):0; -+ sts.b_iso_out.rxbytes = data_per_desc; -+ -+ writel((uint32_t)dma_ad, &dma_desc->buf); -+ writel(sts.d32, &dma_desc->status); -+ dma_desc ++; -+ -+ /** Buffer 1 descriptors setup */ -+ sts.b_iso_out.ioc = 0; -+ dma_ad = dwc_ep->dma_addr1; -+ -+ offset = 0; -+ for(i = 0; i < dwc_ep->desc_cnt - dwc_ep->pkt_per_frm; i+= dwc_ep->pkt_per_frm) -+ { -+ for(j = 0; j < dwc_ep->pkt_per_frm; ++j) -+ { -+ data_per_desc = ((j + 1) * dwc_ep->maxpacket > dwc_ep->data_per_frame) ? -+ dwc_ep->data_per_frame - j * dwc_ep->maxpacket : dwc_ep->maxpacket; -+ data_per_desc += (data_per_desc % 4) ? (4 - data_per_desc % 4):0; -+ sts.b_iso_out.rxbytes = data_per_desc; -+ writel((uint32_t)dma_ad, &dma_desc->buf); -+ writel(sts.d32, &dma_desc->status); -+ -+ offset += data_per_desc; -+ dma_desc ++; -+ (uint32_t)dma_ad += data_per_desc; -+ } -+ } -+ for(j = 0; j < dwc_ep->pkt_per_frm - 1; ++j) -+ { -+ data_per_desc = ((j + 1) * dwc_ep->maxpacket > dwc_ep->data_per_frame) ? -+ dwc_ep->data_per_frame - j * dwc_ep->maxpacket : dwc_ep->maxpacket; -+ data_per_desc += (data_per_desc % 4) ? (4 - data_per_desc % 4):0; -+ sts.b_iso_out.rxbytes = data_per_desc; -+ writel((uint32_t)dma_ad, &dma_desc->buf); -+ writel(sts.d32, &dma_desc->status); -+ -+ offset += data_per_desc; -+ dma_desc ++; -+ (uint32_t)dma_ad += data_per_desc; -+ } -+ -+ sts.b_iso_out.ioc = 1; -+ sts.b_iso_out.l = 1; -+ data_per_desc = ((j + 1) * dwc_ep->maxpacket > dwc_ep->data_per_frame) ? -+ dwc_ep->data_per_frame - j * dwc_ep->maxpacket : dwc_ep->maxpacket; -+ data_per_desc += (data_per_desc % 4) ? (4 - data_per_desc % 4):0; -+ sts.b_iso_out.rxbytes = data_per_desc; -+ -+ writel((uint32_t)dma_ad, &dma_desc->buf); -+ writel(sts.d32, &dma_desc->status); -+ -+ dwc_ep->next_frame = 0; -+ -+ /** Write dma_ad into DOEPDMA register */ -+ dwc_write_reg32(&(out_regs->doepdma),(uint32_t)dwc_ep->iso_dma_desc_addr); -+ -+ } -+ /** ISO IN EP */ -+ else { -+ desc_sts_data_t sts = { .d32 =0 }; -+ dwc_otg_dma_desc_t* dma_desc = dwc_ep->iso_desc_addr; -+ dma_addr_t dma_ad; -+ dwc_otg_dev_in_ep_regs_t *in_regs = -+ core_if->dev_if->in_ep_regs[dwc_ep->num]; -+ unsigned int frmnumber; -+ fifosize_data_t txfifosize,rxfifosize; -+ -+ txfifosize.d32 = dwc_read_reg32(&core_if->dev_if->in_ep_regs[dwc_ep->num]->dtxfsts); -+ rxfifosize.d32 = dwc_read_reg32(&core_if->core_global_regs->grxfsiz); -+ -+ -+ addr = &core_if->dev_if->in_ep_regs[dwc_ep->num]->diepctl; -+ -+ dma_ad = dwc_ep->dma_addr0; -+ -+ dsts.d32 = dwc_read_reg32(&core_if->dev_if->dev_global_regs->dsts); -+ -+ sts.b_iso_in.bs = BS_HOST_READY; -+ sts.b_iso_in.txsts = 0; -+ sts.b_iso_in.sp = (dwc_ep->data_per_frame % dwc_ep->maxpacket)? 1 : 0; -+ sts.b_iso_in.ioc = 0; -+ sts.b_iso_in.pid = dwc_ep->pkt_per_frm; -+ -+ -+ frmnumber = dwc_ep->next_frame; -+ -+ sts.b_iso_in.framenum = frmnumber; -+ sts.b_iso_in.txbytes = dwc_ep->data_per_frame; -+ sts.b_iso_in.l = 0; -+ -+ /** Buffer 0 descriptors setup */ -+ for(i = 0; i < dwc_ep->desc_cnt - 1; i++) -+ { -+ writel((uint32_t)dma_ad, &dma_desc->buf); -+ writel(sts.d32, &dma_desc->status); -+ dma_desc ++; -+ -+ (uint32_t)dma_ad += dwc_ep->data_per_frame; -+ sts.b_iso_in.framenum += dwc_ep->bInterval; -+ } -+ -+ sts.b_iso_in.ioc = 1; -+ writel((uint32_t)dma_ad, &dma_desc->buf); -+ writel(sts.d32, &dma_desc->status); -+ ++dma_desc; -+ -+ /** Buffer 1 descriptors setup */ -+ sts.b_iso_in.ioc = 0; -+ dma_ad = dwc_ep->dma_addr1; -+ -+ for(i = 0; i < dwc_ep->desc_cnt - dwc_ep->pkt_per_frm; i+= dwc_ep->pkt_per_frm) -+ { -+ writel((uint32_t)dma_ad, &dma_desc->buf); -+ writel(sts.d32, &dma_desc->status); -+ dma_desc ++; -+ -+ (uint32_t)dma_ad += dwc_ep->data_per_frame; -+ sts.b_iso_in.framenum += dwc_ep->bInterval; -+ -+ sts.b_iso_in.ioc = 0; -+ } -+ sts.b_iso_in.ioc = 1; -+ sts.b_iso_in.l = 1; -+ -+ writel((uint32_t)dma_ad, &dma_desc->buf); -+ writel(sts.d32, &dma_desc->status); -+ -+ dwc_ep->next_frame = sts.b_iso_in.framenum + dwc_ep->bInterval; -+ -+ /** Write dma_ad into diepdma register */ -+ dwc_write_reg32(&(in_regs->diepdma),(uint32_t)dwc_ep->iso_dma_desc_addr); -+ } -+ /** Enable endpoint, clear nak */ -+ depctl.d32 = 0; -+ depctl.b.epena = 1; -+ depctl.b.usbactep = 1; -+ depctl.b.cnak = 1; -+ -+ dwc_modify_reg32(addr, depctl.d32,depctl.d32); -+ depctl.d32 = dwc_read_reg32(addr); -+} -+ -+/** -+ * This function initializes a descriptor chain for Isochronous transfer -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param ep The EP to start the transfer on. -+ * -+ */ -+ -+void dwc_otg_iso_ep_start_buf_transfer(dwc_otg_core_if_t *core_if, dwc_ep_t *ep) -+{ -+ depctl_data_t depctl = { .d32 = 0 }; -+ volatile uint32_t *addr; -+ -+ -+ if(ep->is_in) { -+ addr = &core_if->dev_if->in_ep_regs[ep->num]->diepctl; -+ } else { -+ addr = &core_if->dev_if->out_ep_regs[ep->num]->doepctl; -+ } -+ -+ -+ if(core_if->dma_enable == 0 || core_if->dma_desc_enable!= 0) { -+ return; -+ } else { -+ deptsiz_data_t deptsiz = { .d32 = 0 }; -+ -+ ep->xfer_len = ep->data_per_frame * ep->buf_proc_intrvl / ep->bInterval; -+ ep->pkt_cnt = (ep->xfer_len - 1 + ep->maxpacket) / -+ ep->maxpacket; -+ ep->xfer_count = 0; -+ ep->xfer_buff = (ep->proc_buf_num) ? ep->xfer_buff1 : ep->xfer_buff0; -+ ep->dma_addr = (ep->proc_buf_num) ? ep->dma_addr1 : ep->dma_addr0; -+ -+ if(ep->is_in) { -+ /* Program the transfer size and packet count -+ * as follows: xfersize = N * maxpacket + -+ * short_packet pktcnt = N + (short_packet -+ * exist ? 1 : 0) -+ */ -+ deptsiz.b.mc = ep->pkt_per_frm; -+ deptsiz.b.xfersize = ep->xfer_len; -+ deptsiz.b.pktcnt = -+ (ep->xfer_len - 1 + ep->maxpacket) / -+ ep->maxpacket; -+ dwc_write_reg32(&core_if->dev_if->in_ep_regs[ep->num]->dieptsiz, deptsiz.d32); -+ -+ /* Write the DMA register */ -+ dwc_write_reg32 (&(core_if->dev_if->in_ep_regs[ep->num]->diepdma), (uint32_t)ep->dma_addr); -+ -+ } else { -+ deptsiz.b.pktcnt = -+ (ep->xfer_len + (ep->maxpacket - 1)) / -+ ep->maxpacket; -+ deptsiz.b.xfersize = deptsiz.b.pktcnt * ep->maxpacket; -+ -+ dwc_write_reg32(&core_if->dev_if->out_ep_regs[ep->num]->doeptsiz, deptsiz.d32); -+ -+ /* Write the DMA register */ -+ dwc_write_reg32 (&(core_if->dev_if->out_ep_regs[ep->num]->doepdma), (uint32_t)ep->dma_addr); -+ -+ } -+ /** Enable endpoint, clear nak */ -+ depctl.d32 = 0; -+ dwc_modify_reg32(addr, depctl.d32,depctl.d32); -+ -+ depctl.b.epena = 1; -+ depctl.b.cnak = 1; -+ -+ dwc_modify_reg32(addr, depctl.d32,depctl.d32); -+ } -+} -+ -+ -+/** -+ * This function does the setup for a data transfer for an EP and -+ * starts the transfer. For an IN transfer, the packets will be -+ * loaded into the appropriate Tx FIFO in the ISR. For OUT transfers, -+ * the packets are unloaded from the Rx FIFO in the ISR. the ISR. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param ep The EP to start the transfer on. -+ */ -+ -+void dwc_otg_iso_ep_start_transfer(dwc_otg_core_if_t *core_if, dwc_ep_t *ep) -+{ -+ if(core_if->dma_enable) { -+ if(core_if->dma_desc_enable) { -+ if(ep->is_in) { -+ ep->desc_cnt = ep->pkt_cnt / ep->pkt_per_frm; -+ } else { -+ ep->desc_cnt = ep->pkt_cnt; -+ } -+ dwc_otg_iso_ep_start_ddma_transfer(core_if, ep); -+ } else { -+ if(core_if->pti_enh_enable) { -+ dwc_otg_iso_ep_start_buf_transfer(core_if, ep); -+ } else { -+ ep->cur_pkt_addr = (ep->proc_buf_num) ? ep->xfer_buff1 : ep->xfer_buff0; -+ ep->cur_pkt_dma_addr = (ep->proc_buf_num) ? ep->dma_addr1 : ep->dma_addr0; -+ dwc_otg_iso_ep_start_frm_transfer(core_if, ep); -+ } -+ } -+ } else { -+ ep->cur_pkt_addr = (ep->proc_buf_num) ? ep->xfer_buff1 : ep->xfer_buff0; -+ ep->cur_pkt_dma_addr = (ep->proc_buf_num) ? ep->dma_addr1 : ep->dma_addr0; -+ dwc_otg_iso_ep_start_frm_transfer(core_if, ep); -+ } -+} -+ -+/** -+ * This function does the setup for a data transfer for an EP and -+ * starts the transfer. For an IN transfer, the packets will be -+ * loaded into the appropriate Tx FIFO in the ISR. For OUT transfers, -+ * the packets are unloaded from the Rx FIFO in the ISR. the ISR. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param ep The EP to start the transfer on. -+ */ -+ -+void dwc_otg_iso_ep_stop_transfer(dwc_otg_core_if_t *core_if, dwc_ep_t *ep) -+{ -+ depctl_data_t depctl = { .d32 = 0 }; -+ volatile uint32_t *addr; -+ -+ if(ep->is_in == 1) { -+ addr = &core_if->dev_if->in_ep_regs[ep->num]->diepctl; -+ } -+ else { -+ addr = &core_if->dev_if->out_ep_regs[ep->num]->doepctl; -+ } -+ -+ /* disable the ep */ -+ depctl.d32 = dwc_read_reg32(addr); -+ -+ depctl.b.epdis = 1; -+ depctl.b.snak = 1; -+ -+ dwc_write_reg32(addr, depctl.d32); -+ -+ if(core_if->dma_desc_enable && -+ ep->iso_desc_addr && ep->iso_dma_desc_addr) { -+ dwc_otg_ep_free_desc_chain(ep->iso_desc_addr,ep->iso_dma_desc_addr,ep->desc_cnt * 2); -+ } -+ -+ /* reset varibales */ -+ ep->dma_addr0 = 0; -+ ep->dma_addr1 = 0; -+ ep->xfer_buff0 = 0; -+ ep->xfer_buff1 = 0; -+ ep->data_per_frame = 0; -+ ep->data_pattern_frame = 0; -+ ep->sync_frame = 0; -+ ep->buf_proc_intrvl = 0; -+ ep->bInterval = 0; -+ ep->proc_buf_num = 0; -+ ep->pkt_per_frm = 0; -+ ep->pkt_per_frm = 0; -+ ep->desc_cnt = 0; -+ ep->iso_desc_addr = 0; -+ ep->iso_dma_desc_addr = 0; -+} -+ -+ -+/** -+ * This function is used to submit an ISOC Transfer Request to an EP. -+ * -+ * - Every time a sync period completes the request's completion callback -+ * is called to provide data to the gadget driver. -+ * - Once submitted the request cannot be modified. -+ * - Each request is turned into periodic data packets untill ISO -+ * Transfer is stopped.. -+ */ -+static int dwc_otg_pcd_iso_ep_start(struct usb_ep *usb_ep, struct usb_iso_request *req, -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) -+ int gfp_flags -+#else -+ gfp_t gfp_flags -+#endif -+) -+{ -+ dwc_otg_pcd_ep_t *ep; -+ dwc_otg_pcd_t *pcd; -+ dwc_ep_t *dwc_ep; -+ unsigned long flags = 0; -+ int32_t frm_data; -+ dwc_otg_core_if_t *core_if; -+ dcfg_data_t dcfg; -+ dsts_data_t dsts; -+ -+ -+ if (!req || !req->process_buffer || !req->buf0 || !req->buf1) { -+ DWC_WARN("%s, bad params\n", __func__); -+ return -EINVAL; -+ } -+ -+ ep = container_of(usb_ep, dwc_otg_pcd_ep_t, ep); -+ -+ if (!usb_ep || !ep->desc || ep->dwc_ep.num == 0) { -+ DWC_WARN("%s, bad ep\n", __func__); -+ return -EINVAL; -+ } -+ -+ pcd = ep->pcd; -+ core_if = GET_CORE_IF(pcd); -+ -+ dcfg.d32 = dwc_read_reg32(&core_if->dev_if->dev_global_regs->dcfg); -+ -+ if (!pcd->driver || pcd->gadget.speed == USB_SPEED_UNKNOWN) { -+ DWC_DEBUGPL(DBG_PCDV, "gadget.speed=%d\n", pcd->gadget.speed); -+ DWC_WARN("%s, bogus device state\n", __func__); -+ return -ESHUTDOWN; -+ } -+ -+ SPIN_LOCK_IRQSAVE(&ep->pcd->lock, flags); -+ -+ dwc_ep = &ep->dwc_ep; -+ -+ if(ep->iso_req) { -+ DWC_WARN("%s, iso request in progress\n", __func__); -+ } -+ req->status = -EINPROGRESS; -+ -+ dwc_ep->dma_addr0 = req->dma0; -+ dwc_ep->dma_addr1 = req->dma1; -+ -+ dwc_ep->xfer_buff0 = req->buf0; -+ dwc_ep->xfer_buff1 = req->buf1; -+ -+ ep->iso_req = req; -+ -+ dwc_ep->data_per_frame = req->data_per_frame; -+ -+ /** @todo - pattern data support is to be implemented in the future */ -+ dwc_ep->data_pattern_frame = req->data_pattern_frame; -+ dwc_ep->sync_frame = req->sync_frame; -+ -+ dwc_ep->buf_proc_intrvl = req->buf_proc_intrvl; -+ -+ dwc_ep->bInterval = 1 << (ep->desc->bInterval - 1); -+ -+ dwc_ep->proc_buf_num = 0; -+ -+ dwc_ep->pkt_per_frm = 0; -+ frm_data = ep->dwc_ep.data_per_frame; -+ while(frm_data > 0) { -+ dwc_ep->pkt_per_frm++; -+ frm_data -= ep->dwc_ep.maxpacket; -+ } -+ -+ dsts.d32 = dwc_read_reg32(&core_if->dev_if->dev_global_regs->dsts); -+ -+ if(req->flags & USB_REQ_ISO_ASAP) { -+ dwc_ep->next_frame = dsts.b.soffn + 1; -+ if(dwc_ep->bInterval != 1){ -+ dwc_ep->next_frame = dwc_ep->next_frame + (dwc_ep->bInterval - 1 - dwc_ep->next_frame % dwc_ep->bInterval); -+ } -+ } else { -+ dwc_ep->next_frame = req->start_frame; -+ } -+ -+ -+ if(!core_if->pti_enh_enable) { -+ dwc_ep->pkt_cnt = dwc_ep->buf_proc_intrvl * dwc_ep->pkt_per_frm / dwc_ep->bInterval; -+ } else { -+ dwc_ep->pkt_cnt = -+ (dwc_ep->data_per_frame * (dwc_ep->buf_proc_intrvl / dwc_ep->bInterval) -+ - 1 + dwc_ep->maxpacket) / dwc_ep->maxpacket; -+ } -+ -+ if(core_if->dma_desc_enable) { -+ dwc_ep->desc_cnt = -+ dwc_ep->buf_proc_intrvl * dwc_ep->pkt_per_frm / dwc_ep->bInterval; -+ } -+ -+ dwc_ep->pkt_info = kmalloc(sizeof(iso_pkt_info_t) * dwc_ep->pkt_cnt, GFP_KERNEL); -+ if(!dwc_ep->pkt_info) { -+ return -ENOMEM; -+ } -+ if(core_if->pti_enh_enable) { -+ memset(dwc_ep->pkt_info, 0, sizeof(iso_pkt_info_t) * dwc_ep->pkt_cnt); -+ } -+ -+ dwc_ep->cur_pkt = 0; -+ -+ SPIN_UNLOCK_IRQRESTORE(&pcd->lock, flags); -+ -+ dwc_otg_iso_ep_start_transfer(core_if, dwc_ep); -+ -+ return 0; -+} -+ -+/** -+ * This function stops ISO EP Periodic Data Transfer. -+ */ -+static int dwc_otg_pcd_iso_ep_stop(struct usb_ep *usb_ep, struct usb_iso_request *req) -+{ -+ dwc_otg_pcd_ep_t *ep; -+ dwc_otg_pcd_t *pcd; -+ dwc_ep_t *dwc_ep; -+ unsigned long flags; -+ -+ ep = container_of(usb_ep, dwc_otg_pcd_ep_t, ep); -+ -+ if (!usb_ep || !ep->desc || ep->dwc_ep.num == 0) { -+ DWC_WARN("%s, bad ep\n", __func__); -+ return -EINVAL; -+ } -+ -+ pcd = ep->pcd; -+ -+ if (!pcd->driver || pcd->gadget.speed == USB_SPEED_UNKNOWN) { -+ DWC_DEBUGPL(DBG_PCDV, "gadget.speed=%d\n", pcd->gadget.speed); -+ DWC_WARN("%s, bogus device state\n", __func__); -+ return -ESHUTDOWN; -+ } -+ -+ dwc_ep = &ep->dwc_ep; -+ -+ dwc_otg_iso_ep_stop_transfer(GET_CORE_IF(pcd), dwc_ep); -+ -+ kfree(dwc_ep->pkt_info); -+ -+ SPIN_LOCK_IRQSAVE(&pcd->lock, flags); -+ -+ if(ep->iso_req != req) { -+ return -EINVAL; -+ } -+ -+ req->status = -ECONNRESET; -+ -+ SPIN_UNLOCK_IRQRESTORE(&pcd->lock, flags); -+ -+ -+ ep->iso_req = 0; -+ -+ return 0; -+} -+ -+/** -+ * This function is used for perodical data exchnage between PCD and gadget drivers. -+ * for Isochronous EPs -+ * -+ * - Every time a sync period completes this function is called to -+ * perform data exchange between PCD and gadget -+ */ -+void dwc_otg_iso_buffer_done(dwc_otg_pcd_ep_t *ep, dwc_otg_pcd_iso_request_t *req) -+{ -+ int i; -+ struct usb_gadget_iso_packet_descriptor *iso_packet; -+ dwc_ep_t *dwc_ep; -+ -+ dwc_ep = &ep->dwc_ep; -+ -+ if(ep->iso_req->status == -ECONNRESET) { -+ DWC_PRINT("Device has already disconnected\n"); -+ /*Device has been disconnected*/ -+ return; -+ } -+ -+ if(dwc_ep->proc_buf_num != 0) { -+ iso_packet = ep->iso_req->iso_packet_desc0; -+ } -+ -+ else { -+ iso_packet = ep->iso_req->iso_packet_desc1; -+ } -+ -+ /* Fill in ISOC packets descriptors & pass to gadget driver*/ -+ -+ for(i = 0; i < dwc_ep->pkt_cnt; ++i) { -+ iso_packet[i].status = dwc_ep->pkt_info[i].status; -+ iso_packet[i].offset = dwc_ep->pkt_info[i].offset; -+ iso_packet[i].actual_length = dwc_ep->pkt_info[i].length; -+ dwc_ep->pkt_info[i].status = 0; -+ dwc_ep->pkt_info[i].offset = 0; -+ dwc_ep->pkt_info[i].length = 0; -+ } -+ -+ /* Call callback function to process data buffer */ -+ ep->iso_req->status = 0;/* success */ -+ -+ SPIN_UNLOCK(&ep->pcd->lock); -+ ep->iso_req->process_buffer(&ep->ep, ep->iso_req); -+ SPIN_LOCK(&ep->pcd->lock); -+} -+ -+ -+static struct usb_iso_request *dwc_otg_pcd_alloc_iso_request(struct usb_ep *ep,int packets, -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) -+ int gfp_flags -+#else -+ gfp_t gfp_flags -+#endif -+) -+{ -+ struct usb_iso_request *pReq = NULL; -+ uint32_t req_size; -+ -+ -+ req_size = sizeof(struct usb_iso_request); -+ req_size += (2 * packets * (sizeof(struct usb_gadget_iso_packet_descriptor))); -+ -+ -+ pReq = kmalloc(req_size, gfp_flags); -+ if (!pReq) { -+ DWC_WARN("%s, can't allocate Iso Request\n", __func__); -+ return 0; -+ } -+ pReq->iso_packet_desc0 = (void*) (pReq + 1); -+ -+ pReq->iso_packet_desc1 = pReq->iso_packet_desc0 + packets; -+ -+ return pReq; -+} -+ -+static void dwc_otg_pcd_free_iso_request(struct usb_ep *ep, struct usb_iso_request *req) -+{ -+ kfree(req); -+} -+ -+static struct usb_isoc_ep_ops dwc_otg_pcd_ep_ops = -+{ -+ .ep_ops = -+ { -+ .enable = dwc_otg_pcd_ep_enable, -+ .disable = dwc_otg_pcd_ep_disable, -+ -+ .alloc_request = dwc_otg_pcd_alloc_request, -+ .free_request = dwc_otg_pcd_free_request, -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) -+ .alloc_buffer = dwc_otg_pcd_alloc_buffer, -+ .free_buffer = dwc_otg_pcd_free_buffer, -+#endif -+ -+ .queue = dwc_otg_pcd_ep_queue, -+ .dequeue = dwc_otg_pcd_ep_dequeue, -+ -+ .set_halt = dwc_otg_pcd_ep_set_halt, -+ .fifo_status = 0, -+ .fifo_flush = 0, -+ }, -+ .iso_ep_start = dwc_otg_pcd_iso_ep_start, -+ .iso_ep_stop = dwc_otg_pcd_iso_ep_stop, -+ .alloc_iso_request = dwc_otg_pcd_alloc_iso_request, -+ .free_iso_request = dwc_otg_pcd_free_iso_request, -+}; -+ -+#else -+ -+ -+static struct usb_ep_ops dwc_otg_pcd_ep_ops = -+{ -+ .enable = dwc_otg_pcd_ep_enable, -+ .disable = dwc_otg_pcd_ep_disable, -+ -+ .alloc_request = dwc_otg_pcd_alloc_request, -+ .free_request = dwc_otg_pcd_free_request, -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) -+ .alloc_buffer = dwc_otg_pcd_alloc_buffer, -+ .free_buffer = dwc_otg_pcd_free_buffer, -+#endif -+ -+ .queue = dwc_otg_pcd_ep_queue, -+ .dequeue = dwc_otg_pcd_ep_dequeue, -+ -+ .set_halt = dwc_otg_pcd_ep_set_halt, -+ .fifo_status = 0, -+ .fifo_flush = 0, -+ -+ -+}; -+ -+#endif /* DWC_EN_ISOC */ -+/* Gadget Operations */ -+/** -+ * The following gadget operations will be implemented in the DWC_otg -+ * PCD. Functions in the API that are not described below are not -+ * implemented. -+ * -+ * The Gadget API provides wrapper functions for each of the function -+ * pointers defined in usb_gadget_ops. The Gadget Driver calls the -+ * wrapper function, which then calls the underlying PCD function. The -+ * following sections are named according to the wrapper functions -+ * (except for ioctl, which doesn't have a wrapper function). Within -+ * each section, the corresponding DWC_otg PCD function name is -+ * specified. -+ * -+ */ -+ -+/** -+ *Gets the USB Frame number of the last SOF. -+ */ -+static int dwc_otg_pcd_get_frame(struct usb_gadget *gadget) -+{ -+ dwc_otg_pcd_t *pcd; -+ -+ DWC_DEBUGPL(DBG_PCDV,"%s(%p)\n", __func__, gadget); -+ -+ if (gadget == 0) { -+ return -ENODEV; -+ } -+ else { -+ pcd = container_of(gadget, dwc_otg_pcd_t, gadget); -+ dwc_otg_get_frame_number(GET_CORE_IF(pcd)); -+ } -+ -+ return 0; -+} -+ -+void dwc_otg_pcd_initiate_srp(dwc_otg_pcd_t *pcd) -+{ -+ uint32_t *addr = (uint32_t *)&(GET_CORE_IF(pcd)->core_global_regs->gotgctl); -+ gotgctl_data_t mem; -+ gotgctl_data_t val; -+ -+ val.d32 = dwc_read_reg32(addr); -+ if (val.b.sesreq) { -+ DWC_ERROR("Session Request Already active!\n"); -+ return; -+ } -+ -+ DWC_NOTICE("Session Request Initated\n"); -+ mem.d32 = dwc_read_reg32(addr); -+ mem.b.sesreq = 1; -+ dwc_write_reg32(addr, mem.d32); -+ -+ /* Start the SRP timer */ -+ dwc_otg_pcd_start_srp_timer(pcd); -+ return; -+} -+ -+void dwc_otg_pcd_remote_wakeup(dwc_otg_pcd_t *pcd, int set) -+{ -+ dctl_data_t dctl = {.d32=0}; -+ volatile uint32_t *addr = &(GET_CORE_IF(pcd)->dev_if->dev_global_regs->dctl); -+ -+ if (dwc_otg_is_device_mode(GET_CORE_IF(pcd))) { -+ if (pcd->remote_wakeup_enable) { -+ if (set) { -+ dctl.b.rmtwkupsig = 1; -+ dwc_modify_reg32(addr, 0, dctl.d32); -+ DWC_DEBUGPL(DBG_PCD, "Set Remote Wakeup\n"); -+ mdelay(1); -+ dwc_modify_reg32(addr, dctl.d32, 0); -+ DWC_DEBUGPL(DBG_PCD, "Clear Remote Wakeup\n"); -+ } -+ else { -+ } -+ } -+ else { -+ DWC_DEBUGPL(DBG_PCD, "Remote Wakeup is disabled\n"); -+ } -+ } -+ return; -+} -+ -+/** -+ * Initiates Session Request Protocol (SRP) to wakeup the host if no -+ * session is in progress. If a session is already in progress, but -+ * the device is suspended, remote wakeup signaling is started. -+ * -+ */ -+static int dwc_otg_pcd_wakeup(struct usb_gadget *gadget) -+{ -+ unsigned long flags; -+ dwc_otg_pcd_t *pcd; -+ dsts_data_t dsts; -+ gotgctl_data_t gotgctl; -+ -+ DWC_DEBUGPL(DBG_PCDV,"%s(%p)\n", __func__, gadget); -+ -+ if (gadget == 0) { -+ return -ENODEV; -+ } -+ else { -+ pcd = container_of(gadget, dwc_otg_pcd_t, gadget); -+ } -+ SPIN_LOCK_IRQSAVE(&pcd->lock, flags); -+ -+ /* -+ * This function starts the Protocol if no session is in progress. If -+ * a session is already in progress, but the device is suspended, -+ * remote wakeup signaling is started. -+ */ -+ -+ /* Check if valid session */ -+ gotgctl.d32 = dwc_read_reg32(&(GET_CORE_IF(pcd)->core_global_regs->gotgctl)); -+ if (gotgctl.b.bsesvld) { -+ /* Check if suspend state */ -+ dsts.d32 = dwc_read_reg32(&(GET_CORE_IF(pcd)->dev_if->dev_global_regs->dsts)); -+ if (dsts.b.suspsts) { -+ dwc_otg_pcd_remote_wakeup(pcd, 1); -+ } -+ } -+ else { -+ dwc_otg_pcd_initiate_srp(pcd); -+ } -+ -+ SPIN_UNLOCK_IRQRESTORE(&pcd->lock, flags); -+ return 0; -+} -+ -+static const struct usb_gadget_ops dwc_otg_pcd_ops = -+{ -+ .get_frame = dwc_otg_pcd_get_frame, -+ .wakeup = dwc_otg_pcd_wakeup, -+ // current versions must always be self-powered -+}; -+ -+/** -+ * This function updates the otg values in the gadget structure. -+ */ -+void dwc_otg_pcd_update_otg(dwc_otg_pcd_t *pcd, const unsigned reset) -+{ -+ -+ if (!pcd->gadget.is_otg) -+ return; -+ -+ if (reset) { -+ pcd->b_hnp_enable = 0; -+ pcd->a_hnp_support = 0; -+ pcd->a_alt_hnp_support = 0; -+ } -+ -+ pcd->gadget.b_hnp_enable = pcd->b_hnp_enable; -+ pcd->gadget.a_hnp_support = pcd->a_hnp_support; -+ pcd->gadget.a_alt_hnp_support = pcd->a_alt_hnp_support; -+} -+ -+/** -+ * This function is the top level PCD interrupt handler. -+ */ -+static irqreturn_t dwc_otg_pcd_irq(int irq, void *dev -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -+ , struct pt_regs *r -+#endif -+ ) -+{ -+ dwc_otg_pcd_t *pcd = dev; -+ int32_t retval = IRQ_NONE; -+ -+ retval = dwc_otg_pcd_handle_intr(pcd); -+ return IRQ_RETVAL(retval); -+} -+ -+/** -+ * PCD Callback function for initializing the PCD when switching to -+ * device mode. -+ * -+ * @param p void pointer to the <code>dwc_otg_pcd_t</code> -+ */ -+static int32_t dwc_otg_pcd_start_cb(void *p) -+{ -+ dwc_otg_pcd_t *pcd = (dwc_otg_pcd_t *)p; -+ -+ /* -+ * Initialized the Core for Device mode. -+ */ -+ if (dwc_otg_is_device_mode(GET_CORE_IF(pcd))) { -+ dwc_otg_core_dev_init(GET_CORE_IF(pcd)); -+ } -+ return 1; -+} -+ -+/** -+ * PCD Callback function for stopping the PCD when switching to Host -+ * mode. -+ * -+ * @param p void pointer to the <code>dwc_otg_pcd_t</code> -+ */ -+static int32_t dwc_otg_pcd_stop_cb(void *p) -+{ -+ dwc_otg_pcd_t *pcd = (dwc_otg_pcd_t *)p; -+ extern void dwc_otg_pcd_stop(dwc_otg_pcd_t *_pcd); -+ -+ dwc_otg_pcd_stop(pcd); -+ return 1; -+} -+ -+ -+/** -+ * PCD Callback function for notifying the PCD when resuming from -+ * suspend. -+ * -+ * @param p void pointer to the <code>dwc_otg_pcd_t</code> -+ */ -+static int32_t dwc_otg_pcd_suspend_cb(void *p) -+{ -+ dwc_otg_pcd_t *pcd = (dwc_otg_pcd_t *)p; -+ -+ if (pcd->driver && pcd->driver->resume) { -+ SPIN_UNLOCK(&pcd->lock); -+ pcd->driver->suspend(&pcd->gadget); -+ SPIN_LOCK(&pcd->lock); -+ } -+ -+ return 1; -+} -+ -+ -+/** -+ * PCD Callback function for notifying the PCD when resuming from -+ * suspend. -+ * -+ * @param p void pointer to the <code>dwc_otg_pcd_t</code> -+ */ -+static int32_t dwc_otg_pcd_resume_cb(void *p) -+{ -+ dwc_otg_pcd_t *pcd = (dwc_otg_pcd_t *)p; -+ -+ if (pcd->driver && pcd->driver->resume) { -+ SPIN_UNLOCK(&pcd->lock); -+ pcd->driver->resume(&pcd->gadget); -+ SPIN_LOCK(&pcd->lock); -+ } -+ -+ /* Stop the SRP timeout timer. */ -+ if ((GET_CORE_IF(pcd)->core_params->phy_type != DWC_PHY_TYPE_PARAM_FS) || -+ (!GET_CORE_IF(pcd)->core_params->i2c_enable)) { -+ if (GET_CORE_IF(pcd)->srp_timer_started) { -+ GET_CORE_IF(pcd)->srp_timer_started = 0; -+ del_timer(&pcd->srp_timer); -+ } -+ } -+ return 1; -+} -+ -+ -+/** -+ * PCD Callback structure for handling mode switching. -+ */ -+static dwc_otg_cil_callbacks_t pcd_callbacks = -+{ -+ .start = dwc_otg_pcd_start_cb, -+ .stop = dwc_otg_pcd_stop_cb, -+ .suspend = dwc_otg_pcd_suspend_cb, -+ .resume_wakeup = dwc_otg_pcd_resume_cb, -+ .p = 0, /* Set at registration */ -+}; -+ -+/** -+ * This function is called when the SRP timer expires. The SRP should -+ * complete within 6 seconds. -+ */ -+static void srp_timeout(unsigned long ptr) -+{ -+ gotgctl_data_t gotgctl; -+ dwc_otg_core_if_t *core_if = (dwc_otg_core_if_t *)ptr; -+ volatile uint32_t *addr = &core_if->core_global_regs->gotgctl; -+ -+ gotgctl.d32 = dwc_read_reg32(addr); -+ -+ core_if->srp_timer_started = 0; -+ -+ if ((core_if->core_params->phy_type == DWC_PHY_TYPE_PARAM_FS) && -+ (core_if->core_params->i2c_enable)) { -+ DWC_PRINT("SRP Timeout\n"); -+ -+ if ((core_if->srp_success) && -+ (gotgctl.b.bsesvld)) { -+ if (core_if->pcd_cb && core_if->pcd_cb->resume_wakeup) { -+ core_if->pcd_cb->resume_wakeup(core_if->pcd_cb->p); -+ } -+ -+ /* Clear Session Request */ -+ gotgctl.d32 = 0; -+ gotgctl.b.sesreq = 1; -+ dwc_modify_reg32(&core_if->core_global_regs->gotgctl, -+ gotgctl.d32, 0); -+ -+ core_if->srp_success = 0; -+ } -+ else { -+ DWC_ERROR("Device not connected/responding\n"); -+ gotgctl.b.sesreq = 0; -+ dwc_write_reg32(addr, gotgctl.d32); -+ } -+ } -+ else if (gotgctl.b.sesreq) { -+ DWC_PRINT("SRP Timeout\n"); -+ -+ DWC_ERROR("Device not connected/responding\n"); -+ gotgctl.b.sesreq = 0; -+ dwc_write_reg32(addr, gotgctl.d32); -+ } -+ else { -+ DWC_PRINT(" SRP GOTGCTL=%0x\n", gotgctl.d32); -+ } -+} -+ -+/** -+ * Start the SRP timer to detect when the SRP does not complete within -+ * 6 seconds. -+ * -+ * @param pcd the pcd structure. -+ */ -+void dwc_otg_pcd_start_srp_timer(dwc_otg_pcd_t *pcd) -+{ -+ struct timer_list *srp_timer = &pcd->srp_timer; -+ GET_CORE_IF(pcd)->srp_timer_started = 1; -+ init_timer(srp_timer); -+ srp_timer->function = srp_timeout; -+ srp_timer->data = (unsigned long)GET_CORE_IF(pcd); -+ srp_timer->expires = jiffies + (HZ*6); -+ add_timer(srp_timer); -+} -+ -+/** -+ * Tasklet -+ * -+ */ -+extern void start_next_request(dwc_otg_pcd_ep_t *ep); -+ -+static void start_xfer_tasklet_func (unsigned long data) -+{ -+ dwc_otg_pcd_t *pcd = (dwc_otg_pcd_t*)data; -+ dwc_otg_core_if_t *core_if = pcd->otg_dev->core_if; -+ -+ int i; -+ depctl_data_t diepctl; -+ -+ DWC_DEBUGPL(DBG_PCDV, "Start xfer tasklet\n"); -+ -+ diepctl.d32 = dwc_read_reg32(&core_if->dev_if->in_ep_regs[0]->diepctl); -+ -+ if (pcd->ep0.queue_sof) { -+ pcd->ep0.queue_sof = 0; -+ start_next_request (&pcd->ep0); -+ // break; -+ } -+ -+ for (i=0; i<core_if->dev_if->num_in_eps; i++) -+ { -+ depctl_data_t diepctl; -+ diepctl.d32 = dwc_read_reg32(&core_if->dev_if->in_ep_regs[i]->diepctl); -+ -+ if (pcd->in_ep[i].queue_sof) { -+ pcd->in_ep[i].queue_sof = 0; -+ start_next_request (&pcd->in_ep[i]); -+ // break; -+ } -+ } -+ -+ return; -+} -+ -+ -+ -+ -+ -+ -+ -+static struct tasklet_struct start_xfer_tasklet = { -+ .next = NULL, -+ .state = 0, -+ .count = ATOMIC_INIT(0), -+ .func = start_xfer_tasklet_func, -+ .data = 0, -+}; -+/** -+ * This function initialized the pcd Dp structures to there default -+ * state. -+ * -+ * @param pcd the pcd structure. -+ */ -+void dwc_otg_pcd_reinit(dwc_otg_pcd_t *pcd) -+{ -+ static const char * names[] = -+ { -+ -+ "ep0", -+ "ep1in", -+ "ep2in", -+ "ep3in", -+ "ep4in", -+ "ep5in", -+ "ep6in", -+ "ep7in", -+ "ep8in", -+ "ep9in", -+ "ep10in", -+ "ep11in", -+ "ep12in", -+ "ep13in", -+ "ep14in", -+ "ep15in", -+ "ep1out", -+ "ep2out", -+ "ep3out", -+ "ep4out", -+ "ep5out", -+ "ep6out", -+ "ep7out", -+ "ep8out", -+ "ep9out", -+ "ep10out", -+ "ep11out", -+ "ep12out", -+ "ep13out", -+ "ep14out", -+ "ep15out" -+ -+ }; -+ -+ int i; -+ int in_ep_cntr, out_ep_cntr; -+ uint32_t hwcfg1; -+ uint32_t num_in_eps = (GET_CORE_IF(pcd))->dev_if->num_in_eps; -+ uint32_t num_out_eps = (GET_CORE_IF(pcd))->dev_if->num_out_eps; -+ dwc_otg_pcd_ep_t *ep; -+ -+ DWC_DEBUGPL(DBG_PCDV, "%s(%p)\n", __func__, pcd); -+ -+ INIT_LIST_HEAD (&pcd->gadget.ep_list); -+ pcd->gadget.ep0 = &pcd->ep0.ep; -+ pcd->gadget.speed = USB_SPEED_UNKNOWN; -+ -+ INIT_LIST_HEAD (&pcd->gadget.ep0->ep_list); -+ -+ /** -+ * Initialize the EP0 structure. -+ */ -+ ep = &pcd->ep0; -+ -+ /* Init EP structure */ -+ ep->desc = 0; -+ ep->pcd = pcd; -+ ep->stopped = 1; -+ -+ /* Init DWC ep structure */ -+ ep->dwc_ep.num = 0; -+ ep->dwc_ep.active = 0; -+ ep->dwc_ep.tx_fifo_num = 0; -+ /* Control until ep is actvated */ -+ ep->dwc_ep.type = DWC_OTG_EP_TYPE_CONTROL; -+ ep->dwc_ep.maxpacket = MAX_PACKET_SIZE; -+ ep->dwc_ep.dma_addr = 0; -+ ep->dwc_ep.start_xfer_buff = 0; -+ ep->dwc_ep.xfer_buff = 0; -+ ep->dwc_ep.xfer_len = 0; -+ ep->dwc_ep.xfer_count = 0; -+ ep->dwc_ep.sent_zlp = 0; -+ ep->dwc_ep.total_len = 0; -+ ep->queue_sof = 0; -+ ep->dwc_ep.desc_addr = 0; -+ ep->dwc_ep.dma_desc_addr = 0; -+ -+ -+ /* Init the usb_ep structure. */ -+ ep->ep.name = names[0]; -+ ep->ep.ops = (struct usb_ep_ops*)&dwc_otg_pcd_ep_ops; -+ -+ /** -+ * @todo NGS: What should the max packet size be set to -+ * here? Before EP type is set? -+ */ -+ ep->ep.maxpacket = MAX_PACKET_SIZE; -+ -+ list_add_tail (&ep->ep.ep_list, &pcd->gadget.ep_list); -+ -+ INIT_LIST_HEAD (&ep->queue); -+ /** -+ * Initialize the EP structures. -+ */ -+ in_ep_cntr = 0; -+ hwcfg1 = (GET_CORE_IF(pcd))->hwcfg1.d32 >> 3; -+ -+ for (i = 1; in_ep_cntr < num_in_eps; i++) -+ { -+ if((hwcfg1 & 0x1) == 0) { -+ dwc_otg_pcd_ep_t *ep = &pcd->in_ep[in_ep_cntr]; -+ in_ep_cntr ++; -+ -+ /* Init EP structure */ -+ ep->desc = 0; -+ ep->pcd = pcd; -+ ep->stopped = 1; -+ -+ /* Init DWC ep structure */ -+ ep->dwc_ep.is_in = 1; -+ ep->dwc_ep.num = i; -+ ep->dwc_ep.active = 0; -+ ep->dwc_ep.tx_fifo_num = 0; -+ -+ /* Control until ep is actvated */ -+ ep->dwc_ep.type = DWC_OTG_EP_TYPE_CONTROL; -+ ep->dwc_ep.maxpacket = MAX_PACKET_SIZE; -+ ep->dwc_ep.dma_addr = 0; -+ ep->dwc_ep.start_xfer_buff = 0; -+ ep->dwc_ep.xfer_buff = 0; -+ ep->dwc_ep.xfer_len = 0; -+ ep->dwc_ep.xfer_count = 0; -+ ep->dwc_ep.sent_zlp = 0; -+ ep->dwc_ep.total_len = 0; -+ ep->queue_sof = 0; -+ ep->dwc_ep.desc_addr = 0; -+ ep->dwc_ep.dma_desc_addr = 0; -+ -+ /* Init the usb_ep structure. */ -+ ep->ep.name = names[i]; -+ ep->ep.ops = (struct usb_ep_ops*)&dwc_otg_pcd_ep_ops; -+ -+ /** -+ * @todo NGS: What should the max packet size be set to -+ * here? Before EP type is set? -+ */ -+ ep->ep.maxpacket = MAX_PACKET_SIZE; -+ -+ list_add_tail (&ep->ep.ep_list, &pcd->gadget.ep_list); -+ -+ INIT_LIST_HEAD (&ep->queue); -+ } -+ hwcfg1 >>= 2; -+ } -+ -+ out_ep_cntr = 0; -+ hwcfg1 = (GET_CORE_IF(pcd))->hwcfg1.d32 >> 2; -+ -+ for (i = 1; out_ep_cntr < num_out_eps; i++) -+ { -+ if((hwcfg1 & 0x1) == 0) { -+ dwc_otg_pcd_ep_t *ep = &pcd->out_ep[out_ep_cntr]; -+ out_ep_cntr++; -+ -+ /* Init EP structure */ -+ ep->desc = 0; -+ ep->pcd = pcd; -+ ep->stopped = 1; -+ -+ /* Init DWC ep structure */ -+ ep->dwc_ep.is_in = 0; -+ ep->dwc_ep.num = i; -+ ep->dwc_ep.active = 0; -+ ep->dwc_ep.tx_fifo_num = 0; -+ /* Control until ep is actvated */ -+ ep->dwc_ep.type = DWC_OTG_EP_TYPE_CONTROL; -+ ep->dwc_ep.maxpacket = MAX_PACKET_SIZE; -+ ep->dwc_ep.dma_addr = 0; -+ ep->dwc_ep.start_xfer_buff = 0; -+ ep->dwc_ep.xfer_buff = 0; -+ ep->dwc_ep.xfer_len = 0; -+ ep->dwc_ep.xfer_count = 0; -+ ep->dwc_ep.sent_zlp = 0; -+ ep->dwc_ep.total_len = 0; -+ ep->queue_sof = 0; -+ -+ /* Init the usb_ep structure. */ -+ ep->ep.name = names[15 + i]; -+ ep->ep.ops = (struct usb_ep_ops*)&dwc_otg_pcd_ep_ops; -+ /** -+ * @todo NGS: What should the max packet size be set to -+ * here? Before EP type is set? -+ */ -+ ep->ep.maxpacket = MAX_PACKET_SIZE; -+ -+ list_add_tail (&ep->ep.ep_list, &pcd->gadget.ep_list); -+ -+ INIT_LIST_HEAD (&ep->queue); -+ } -+ hwcfg1 >>= 2; -+ } -+ -+ /* remove ep0 from the list. There is a ep0 pointer.*/ -+ list_del_init (&pcd->ep0.ep.ep_list); -+ -+ pcd->ep0state = EP0_DISCONNECT; -+ pcd->ep0.ep.maxpacket = MAX_EP0_SIZE; -+ pcd->ep0.dwc_ep.maxpacket = MAX_EP0_SIZE; -+ pcd->ep0.dwc_ep.type = DWC_OTG_EP_TYPE_CONTROL; -+} -+ -+/** -+ * This function releases the Gadget device. -+ * required by device_unregister(). -+ * -+ * @todo Should this do something? Should it free the PCD? -+ */ -+static void dwc_otg_pcd_gadget_release(struct device *dev) -+{ -+ DWC_DEBUGPL(DBG_PCDV,"%s(%p)\n", __func__, dev); -+} -+ -+ -+ -+/** -+ * This function initialized the PCD portion of the driver. -+ * -+ */ -+ -+int dwc_otg_pcd_init(struct device *dev) -+{ -+ static char pcd_name[] = "dwc_otg_pcd"; -+ dwc_otg_pcd_t *pcd; -+ dwc_otg_core_if_t* core_if; -+ dwc_otg_dev_if_t* dev_if; -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(dev); -+ int retval = 0; -+ -+ -+ DWC_DEBUGPL(DBG_PCDV,"%s(%p)\n",__func__, dev); -+ /* -+ * Allocate PCD structure -+ */ -+ pcd = kmalloc(sizeof(dwc_otg_pcd_t), GFP_KERNEL); -+ -+ if (pcd == 0) { -+ return -ENOMEM; -+ } -+ -+ memset(pcd, 0, sizeof(dwc_otg_pcd_t)); -+ spin_lock_init(&pcd->lock); -+ -+ otg_dev->pcd = pcd; -+ s_pcd = pcd; -+ pcd->gadget.name = pcd_name; -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30) -+ strcpy(pcd->gadget.dev.bus_id, "gadget"); -+#else -+ dev_set_name(&pcd->gadget.dev, "%s", "gadget"); -+#endif -+ -+ pcd->otg_dev = dev_get_drvdata(dev); -+ -+ pcd->gadget.dev.parent = dev; -+ pcd->gadget.dev.release = dwc_otg_pcd_gadget_release; -+ pcd->gadget.ops = &dwc_otg_pcd_ops; -+ -+ core_if = GET_CORE_IF(pcd); -+ dev_if = core_if->dev_if; -+ -+ if(core_if->hwcfg4.b.ded_fifo_en) { -+ DWC_PRINT("Dedicated Tx FIFOs mode\n"); -+ } -+ else { -+ DWC_PRINT("Shared Tx FIFO mode\n"); -+ } -+ -+ /* If the module is set to FS or if the PHY_TYPE is FS then the gadget -+ * should not report as dual-speed capable. replace the following line -+ * with the block of code below it once the software is debugged for -+ * this. If is_dualspeed = 0 then the gadget driver should not report -+ * a device qualifier descriptor when queried. */ -+ if ((GET_CORE_IF(pcd)->core_params->speed == DWC_SPEED_PARAM_FULL) || -+ ((GET_CORE_IF(pcd)->hwcfg2.b.hs_phy_type == 2) && -+ (GET_CORE_IF(pcd)->hwcfg2.b.fs_phy_type == 1) && -+ (GET_CORE_IF(pcd)->core_params->ulpi_fs_ls))) { -+ pcd->gadget.is_dualspeed = 0; -+ } -+ else { -+ pcd->gadget.is_dualspeed = 1; -+ } -+ -+ if ((otg_dev->core_if->hwcfg2.b.op_mode == DWC_HWCFG2_OP_MODE_NO_SRP_CAPABLE_DEVICE) || -+ (otg_dev->core_if->hwcfg2.b.op_mode == DWC_HWCFG2_OP_MODE_NO_SRP_CAPABLE_HOST) || -+ (otg_dev->core_if->hwcfg2.b.op_mode == DWC_HWCFG2_OP_MODE_SRP_CAPABLE_DEVICE) || -+ (otg_dev->core_if->hwcfg2.b.op_mode == DWC_HWCFG2_OP_MODE_SRP_CAPABLE_HOST)) { -+ pcd->gadget.is_otg = 0; -+ } -+ else { -+ pcd->gadget.is_otg = 1; -+ } -+ -+ -+ pcd->driver = 0; -+ /* Register the gadget device */ -+ retval = device_register(&pcd->gadget.dev); -+ if (retval != 0) { -+ kfree (pcd); -+ return retval; -+ } -+ -+ -+ /* -+ * Initialized the Core for Device mode. -+ */ -+ if (dwc_otg_is_device_mode(core_if)) { -+ dwc_otg_core_dev_init(core_if); -+ } -+ -+ /* -+ * Initialize EP structures -+ */ -+ dwc_otg_pcd_reinit(pcd); -+ -+ /* -+ * Register the PCD Callbacks. -+ */ -+ dwc_otg_cil_register_pcd_callbacks(otg_dev->core_if, &pcd_callbacks, -+ pcd); -+ /* -+ * Setup interupt handler -+ */ -+ DWC_DEBUGPL(DBG_ANY, "registering handler for irq%d\n", otg_dev->irq); -+ retval = request_irq(otg_dev->irq, dwc_otg_pcd_irq, -+ IRQF_SHARED, pcd->gadget.name, pcd); -+ if (retval != 0) { -+ DWC_ERROR("request of irq%d failed\n", otg_dev->irq); -+ device_unregister(&pcd->gadget.dev); -+ kfree (pcd); -+ return -EBUSY; -+ } -+ -+ /* -+ * Initialize the DMA buffer for SETUP packets -+ */ -+ if (GET_CORE_IF(pcd)->dma_enable) { -+ pcd->setup_pkt = dma_alloc_coherent (NULL, sizeof (*pcd->setup_pkt) * 5, &pcd->setup_pkt_dma_handle, 0); -+ if (pcd->setup_pkt == 0) { -+ free_irq(otg_dev->irq, pcd); -+ device_unregister(&pcd->gadget.dev); -+ kfree (pcd); -+ return -ENOMEM; -+ } -+ -+ pcd->status_buf = dma_alloc_coherent (NULL, sizeof (uint16_t), &pcd->status_buf_dma_handle, 0); -+ if (pcd->status_buf == 0) { -+ dma_free_coherent(NULL, sizeof(*pcd->setup_pkt), pcd->setup_pkt, pcd->setup_pkt_dma_handle); -+ free_irq(otg_dev->irq, pcd); -+ device_unregister(&pcd->gadget.dev); -+ kfree (pcd); -+ return -ENOMEM; -+ } -+ -+ if (GET_CORE_IF(pcd)->dma_desc_enable) { -+ dev_if->setup_desc_addr[0] = dwc_otg_ep_alloc_desc_chain(&dev_if->dma_setup_desc_addr[0], 1); -+ dev_if->setup_desc_addr[1] = dwc_otg_ep_alloc_desc_chain(&dev_if->dma_setup_desc_addr[1], 1); -+ dev_if->in_desc_addr = dwc_otg_ep_alloc_desc_chain(&dev_if->dma_in_desc_addr, 1); -+ dev_if->out_desc_addr = dwc_otg_ep_alloc_desc_chain(&dev_if->dma_out_desc_addr, 1); -+ -+ if(dev_if->setup_desc_addr[0] == 0 -+ || dev_if->setup_desc_addr[1] == 0 -+ || dev_if->in_desc_addr == 0 -+ || dev_if->out_desc_addr == 0 ) { -+ -+ if(dev_if->out_desc_addr) -+ dwc_otg_ep_free_desc_chain(dev_if->out_desc_addr, dev_if->dma_out_desc_addr, 1); -+ if(dev_if->in_desc_addr) -+ dwc_otg_ep_free_desc_chain(dev_if->in_desc_addr, dev_if->dma_in_desc_addr, 1); -+ if(dev_if->setup_desc_addr[1]) -+ dwc_otg_ep_free_desc_chain(dev_if->setup_desc_addr[1], dev_if->dma_setup_desc_addr[1], 1); -+ if(dev_if->setup_desc_addr[0]) -+ dwc_otg_ep_free_desc_chain(dev_if->setup_desc_addr[0], dev_if->dma_setup_desc_addr[0], 1); -+ -+ -+ dma_free_coherent(NULL, sizeof(*pcd->status_buf), pcd->status_buf, pcd->setup_pkt_dma_handle); -+ dma_free_coherent(NULL, sizeof(*pcd->setup_pkt), pcd->setup_pkt, pcd->setup_pkt_dma_handle); -+ -+ free_irq(otg_dev->irq, pcd); -+ device_unregister(&pcd->gadget.dev); -+ kfree (pcd); -+ -+ return -ENOMEM; -+ } -+ } -+ } -+ else { -+ pcd->setup_pkt = kmalloc (sizeof (*pcd->setup_pkt) * 5, GFP_KERNEL); -+ if (pcd->setup_pkt == 0) { -+ free_irq(otg_dev->irq, pcd); -+ device_unregister(&pcd->gadget.dev); -+ kfree (pcd); -+ return -ENOMEM; -+ } -+ -+ pcd->status_buf = kmalloc (sizeof (uint16_t), GFP_KERNEL); -+ if (pcd->status_buf == 0) { -+ kfree(pcd->setup_pkt); -+ free_irq(otg_dev->irq, pcd); -+ device_unregister(&pcd->gadget.dev); -+ kfree (pcd); -+ return -ENOMEM; -+ } -+ } -+ -+ -+ /* Initialize tasklet */ -+ start_xfer_tasklet.data = (unsigned long)pcd; -+ pcd->start_xfer_tasklet = &start_xfer_tasklet; -+ -+ return 0; -+} -+ -+/** -+ * Cleanup the PCD. -+ */ -+void dwc_otg_pcd_remove(struct device *dev) -+{ -+ dwc_otg_device_t *otg_dev = dev_get_drvdata(dev); -+ dwc_otg_pcd_t *pcd = otg_dev->pcd; -+ dwc_otg_dev_if_t* dev_if = GET_CORE_IF(pcd)->dev_if; -+ -+ DWC_DEBUGPL(DBG_PCDV, "%s(%p)\n", __func__, dev); -+ -+ /* -+ * Free the IRQ -+ */ -+ free_irq(otg_dev->irq, pcd); -+ -+ /* start with the driver above us */ -+ if (pcd->driver) { -+ /* should have been done already by driver model core */ -+ DWC_WARN("driver '%s' is still registered\n", -+ pcd->driver->driver.name); -+ usb_gadget_unregister_driver(pcd->driver); -+ } -+ device_unregister(&pcd->gadget.dev); -+ -+ if (GET_CORE_IF(pcd)->dma_enable) { -+ dma_free_coherent (NULL, sizeof (*pcd->setup_pkt) * 5, pcd->setup_pkt, pcd->setup_pkt_dma_handle); -+ dma_free_coherent (NULL, sizeof (uint16_t), pcd->status_buf, pcd->status_buf_dma_handle); -+ if (GET_CORE_IF(pcd)->dma_desc_enable) { -+ dwc_otg_ep_free_desc_chain(dev_if->setup_desc_addr[0], dev_if->dma_setup_desc_addr[0], 1); -+ dwc_otg_ep_free_desc_chain(dev_if->setup_desc_addr[1], dev_if->dma_setup_desc_addr[1], 1); -+ dwc_otg_ep_free_desc_chain(dev_if->in_desc_addr, dev_if->dma_in_desc_addr, 1); -+ dwc_otg_ep_free_desc_chain(dev_if->out_desc_addr, dev_if->dma_out_desc_addr, 1); -+ } -+ } -+ else { -+ kfree (pcd->setup_pkt); -+ kfree (pcd->status_buf); -+ } -+ -+ kfree(pcd); -+ otg_dev->pcd = 0; -+} -+ -+/** -+ * This function registers a gadget driver with the PCD. -+ * -+ * When a driver is successfully registered, it will receive control -+ * requests including set_configuration(), which enables non-control -+ * requests. then usb traffic follows until a disconnect is reported. -+ * then a host may connect again, or the driver might get unbound. -+ * -+ * @param driver The driver being registered -+ */ -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37) -+int usb_gadget_probe_driver(struct usb_gadget_driver *driver, int (*bind)(struct usb_gadget *)) -+#else -+int usb_gadget_register_driver(struct usb_gadget_driver *driver) -+#endif -+{ -+ int retval; -+ int (*d_bind)(struct usb_gadget *); -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37) -+ d_bind = bind; -+#else -+ d_bind = driver->bind; -+#endif -+ -+ DWC_DEBUGPL(DBG_PCD, "registering gadget driver '%s'\n", driver->driver.name); -+ -+ if (!driver || driver->speed == USB_SPEED_UNKNOWN || -+ !d_bind || -+ !driver->unbind || -+ !driver->disconnect || -+ !driver->setup) { -+ DWC_DEBUGPL(DBG_PCDV,"EINVAL\n"); -+ return -EINVAL; -+ } -+ if (s_pcd == 0) { -+ DWC_DEBUGPL(DBG_PCDV,"ENODEV\n"); -+ return -ENODEV; -+ } -+ if (s_pcd->driver != 0) { -+ DWC_DEBUGPL(DBG_PCDV,"EBUSY (%p)\n", s_pcd->driver); -+ return -EBUSY; -+ } -+ -+ /* hook up the driver */ -+ s_pcd->driver = driver; -+ s_pcd->gadget.dev.driver = &driver->driver; -+ -+ DWC_DEBUGPL(DBG_PCD, "bind to driver %s\n", driver->driver.name); -+ retval = d_bind(&s_pcd->gadget); -+ if (retval) { -+ DWC_ERROR("bind to driver %s --> error %d\n", -+ driver->driver.name, retval); -+ s_pcd->driver = 0; -+ s_pcd->gadget.dev.driver = 0; -+ return retval; -+ } -+ DWC_DEBUGPL(DBG_ANY, "registered gadget driver '%s'\n", -+ driver->driver.name); -+ return 0; -+} -+ -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37) -+EXPORT_SYMBOL(usb_gadget_probe_driver); -+#else -+EXPORT_SYMBOL(usb_gadget_register_driver); -+#endif -+ -+/** -+ * This function unregisters a gadget driver -+ * -+ * @param driver The driver being unregistered -+ */ -+int usb_gadget_unregister_driver(struct usb_gadget_driver *driver) -+{ -+ //DWC_DEBUGPL(DBG_PCDV,"%s(%p)\n", __func__, _driver); -+ -+ if (s_pcd == 0) { -+ DWC_DEBUGPL(DBG_ANY, "%s Return(%d): s_pcd==0\n", __func__, -+ -ENODEV); -+ return -ENODEV; -+ } -+ if (driver == 0 || driver != s_pcd->driver) { -+ DWC_DEBUGPL(DBG_ANY, "%s Return(%d): driver?\n", __func__, -+ -EINVAL); -+ return -EINVAL; -+ } -+ -+ driver->unbind(&s_pcd->gadget); -+ s_pcd->driver = 0; -+ -+ DWC_DEBUGPL(DBG_ANY, "unregistered driver '%s'\n", -+ driver->driver.name); -+ return 0; -+} -+EXPORT_SYMBOL(usb_gadget_unregister_driver); -+ -+#endif /* DWC_HOST_ONLY */ ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_pcd.h -@@ -0,0 +1,248 @@ -+/* ========================================================================== -+ * $File: //dwh/usb_iip/dev/software/otg/linux/drivers/dwc_otg_pcd.h $ -+ * $Revision: 1.2 $ -+ * $Date: 2008-11-21 05:39:15 $ -+ * $Change: 1103515 $ -+ * -+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, -+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless -+ * otherwise expressly agreed to in writing between Synopsys and you. -+ * -+ * The Software IS NOT an item of Licensed Software or Licensed Product under -+ * any End User Software License Agreement or Agreement for Licensed Product -+ * with Synopsys or any supplement thereto. You are permitted to use and -+ * redistribute this Software in source and binary forms, with or without -+ * modification, provided that redistributions of source code must retain this -+ * notice. You may not view, use, disclose, copy or distribute this file or -+ * any information contained herein except pursuant to this license grant from -+ * Synopsys. If you do not agree with this notice, including the disclaimer -+ * below, then you are not authorized to use the Software. -+ * -+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS -+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, -+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH -+ * DAMAGE. -+ * ========================================================================== */ -+#ifndef DWC_HOST_ONLY -+#if !defined(__DWC_PCD_H__) -+#define __DWC_PCD_H__ -+ -+#include <linux/types.h> -+#include <linux/list.h> -+#include <linux/errno.h> -+#include <linux/device.h> -+ -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21) -+# include <linux/usb/ch9.h> -+#else -+# include <linux/usb_ch9.h> -+#endif -+ -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24) -+#include <linux/usb/gadget.h> -+#else -+#include <linux/usb_gadget.h> -+#endif -+#include <linux/interrupt.h> -+#include <linux/dma-mapping.h> -+ -+struct dwc_otg_device; -+ -+#include "dwc_otg_cil.h" -+ -+/** -+ * @file -+ * -+ * This file contains the structures, constants, and interfaces for -+ * the Perpherial Contoller Driver (PCD). -+ * -+ * The Peripheral Controller Driver (PCD) for Linux will implement the -+ * Gadget API, so that the existing Gadget drivers can be used. For -+ * the Mass Storage Function driver the File-backed USB Storage Gadget -+ * (FBS) driver will be used. The FBS driver supports the -+ * Control-Bulk (CB), Control-Bulk-Interrupt (CBI), and Bulk-Only -+ * transports. -+ * -+ */ -+ -+/** Invalid DMA Address */ -+#define DMA_ADDR_INVALID (~(dma_addr_t)0) -+/** Maxpacket size for EP0 */ -+#define MAX_EP0_SIZE 64 -+/** Maxpacket size for any EP */ -+#define MAX_PACKET_SIZE 1024 -+ -+/** Max Transfer size for any EP */ -+#define MAX_TRANSFER_SIZE 65535 -+ -+/** Max DMA Descriptor count for any EP */ -+#define MAX_DMA_DESC_CNT 64 -+ -+/** -+ * Get the pointer to the core_if from the pcd pointer. -+ */ -+#define GET_CORE_IF( _pcd ) (_pcd->otg_dev->core_if) -+ -+/** -+ * States of EP0. -+ */ -+typedef enum ep0_state -+{ -+ EP0_DISCONNECT, /* no host */ -+ EP0_IDLE, -+ EP0_IN_DATA_PHASE, -+ EP0_OUT_DATA_PHASE, -+ EP0_IN_STATUS_PHASE, -+ EP0_OUT_STATUS_PHASE, -+ EP0_STALL, -+} ep0state_e; -+ -+/** Fordward declaration.*/ -+struct dwc_otg_pcd; -+ -+/** DWC_otg iso request structure. -+ * -+ */ -+typedef struct usb_iso_request dwc_otg_pcd_iso_request_t; -+ -+/** PCD EP structure. -+ * This structure describes an EP, there is an array of EPs in the PCD -+ * structure. -+ */ -+typedef struct dwc_otg_pcd_ep -+{ -+ /** USB EP data */ -+ struct usb_ep ep; -+ /** USB EP Descriptor */ -+ const struct usb_endpoint_descriptor *desc; -+ -+ /** queue of dwc_otg_pcd_requests. */ -+ struct list_head queue; -+ unsigned stopped : 1; -+ unsigned disabling : 1; -+ unsigned dma : 1; -+ unsigned queue_sof : 1; -+ -+#ifdef DWC_EN_ISOC -+ /** DWC_otg Isochronous Transfer */ -+ struct usb_iso_request* iso_req; -+#endif //DWC_EN_ISOC -+ -+ /** DWC_otg ep data. */ -+ dwc_ep_t dwc_ep; -+ -+ /** Pointer to PCD */ -+ struct dwc_otg_pcd *pcd; -+}dwc_otg_pcd_ep_t; -+ -+ -+ -+/** DWC_otg PCD Structure. -+ * This structure encapsulates the data for the dwc_otg PCD. -+ */ -+typedef struct dwc_otg_pcd -+{ -+ /** USB gadget */ -+ struct usb_gadget gadget; -+ /** USB gadget driver pointer*/ -+ struct usb_gadget_driver *driver; -+ /** The DWC otg device pointer. */ -+ struct dwc_otg_device *otg_dev; -+ -+ /** State of EP0 */ -+ ep0state_e ep0state; -+ /** EP0 Request is pending */ -+ unsigned ep0_pending : 1; -+ /** Indicates when SET CONFIGURATION Request is in process */ -+ unsigned request_config : 1; -+ /** The state of the Remote Wakeup Enable. */ -+ unsigned remote_wakeup_enable : 1; -+ /** The state of the B-Device HNP Enable. */ -+ unsigned b_hnp_enable : 1; -+ /** The state of A-Device HNP Support. */ -+ unsigned a_hnp_support : 1; -+ /** The state of the A-Device Alt HNP support. */ -+ unsigned a_alt_hnp_support : 1; -+ /** Count of pending Requests */ -+ unsigned request_pending; -+ -+ /** SETUP packet for EP0 -+ * This structure is allocated as a DMA buffer on PCD initialization -+ * with enough space for up to 3 setup packets. -+ */ -+ union -+ { -+ struct usb_ctrlrequest req; -+ uint32_t d32[2]; -+ } *setup_pkt; -+ -+ dma_addr_t setup_pkt_dma_handle; -+ -+ /** 2-byte dma buffer used to return status from GET_STATUS */ -+ uint16_t *status_buf; -+ dma_addr_t status_buf_dma_handle; -+ -+ /** EP0 */ -+ dwc_otg_pcd_ep_t ep0; -+ -+ /** Array of IN EPs. */ -+ dwc_otg_pcd_ep_t in_ep[ MAX_EPS_CHANNELS - 1]; -+ /** Array of OUT EPs. */ -+ dwc_otg_pcd_ep_t out_ep[ MAX_EPS_CHANNELS - 1]; -+ /** number of valid EPs in the above array. */ -+// unsigned num_eps : 4; -+ spinlock_t lock; -+ /** Timer for SRP. If it expires before SRP is successful -+ * clear the SRP. */ -+ struct timer_list srp_timer; -+ -+ /** Tasklet to defer starting of TEST mode transmissions until -+ * Status Phase has been completed. -+ */ -+ struct tasklet_struct test_mode_tasklet; -+ -+ /** Tasklet to delay starting of xfer in DMA mode */ -+ struct tasklet_struct *start_xfer_tasklet; -+ -+ /** The test mode to enter when the tasklet is executed. */ -+ unsigned test_mode; -+ -+} dwc_otg_pcd_t; -+ -+ -+/** DWC_otg request structure. -+ * This structure is a list of requests. -+ */ -+typedef struct -+{ -+ struct usb_request req; /**< USB Request. */ -+ struct list_head queue; /**< queue of these requests. */ -+} dwc_otg_pcd_request_t; -+ -+ -+extern int dwc_otg_pcd_init(struct device *dev); -+ -+//extern void dwc_otg_pcd_remove( struct dwc_otg_device *_otg_dev ); -+extern void dwc_otg_pcd_remove( struct device *dev); -+extern int32_t dwc_otg_pcd_handle_intr( dwc_otg_pcd_t *pcd ); -+extern void dwc_otg_pcd_start_srp_timer(dwc_otg_pcd_t *pcd ); -+ -+extern void dwc_otg_pcd_initiate_srp(dwc_otg_pcd_t *pcd); -+extern void dwc_otg_pcd_remote_wakeup(dwc_otg_pcd_t *pcd, int set); -+ -+extern void dwc_otg_iso_buffer_done(dwc_otg_pcd_ep_t *ep, dwc_otg_pcd_iso_request_t *req); -+extern void dwc_otg_request_done(dwc_otg_pcd_ep_t *_ep, dwc_otg_pcd_request_t *req, -+ int status); -+extern void dwc_otg_request_nuke(dwc_otg_pcd_ep_t *_ep); -+extern void dwc_otg_pcd_update_otg(dwc_otg_pcd_t *_pcd, -+ const unsigned reset); -+ -+#endif -+#endif /* DWC_HOST_ONLY */ ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_pcd_intr.c -@@ -0,0 +1,3654 @@ -+/* ========================================================================== -+ * $File: //dwh/usb_iip/dev/software/otg/linux/drivers/dwc_otg_pcd_intr.c $ -+ * $Revision: 1.2 $ -+ * $Date: 2008-11-21 05:39:15 $ -+ * $Change: 1115682 $ -+ * -+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, -+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless -+ * otherwise expressly agreed to in writing between Synopsys and you. -+ * -+ * The Software IS NOT an item of Licensed Software or Licensed Product under -+ * any End User Software License Agreement or Agreement for Licensed Product -+ * with Synopsys or any supplement thereto. You are permitted to use and -+ * redistribute this Software in source and binary forms, with or without -+ * modification, provided that redistributions of source code must retain this -+ * notice. You may not view, use, disclose, copy or distribute this file or -+ * any information contained herein except pursuant to this license grant from -+ * Synopsys. If you do not agree with this notice, including the disclaimer -+ * below, then you are not authorized to use the Software. -+ * -+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS -+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, -+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH -+ * DAMAGE. -+ * ========================================================================== */ -+#ifndef DWC_HOST_ONLY -+#include <linux/interrupt.h> -+#include <linux/dma-mapping.h> -+#include <linux/version.h> -+ -+#include "dwc_otg_driver.h" -+#include "dwc_otg_pcd.h" -+ -+ -+#define DEBUG_EP0 -+ -+/* request functions defined in "dwc_otg_pcd.c" */ -+ -+/** @file -+ * This file contains the implementation of the PCD Interrupt handlers. -+ * -+ * The PCD handles the device interrupts. Many conditions can cause a -+ * device interrupt. When an interrupt occurs, the device interrupt -+ * service routine determines the cause of the interrupt and -+ * dispatches handling to the appropriate function. These interrupt -+ * handling functions are described below. -+ * All interrupt registers are processed from LSB to MSB. -+ */ -+ -+ -+/** -+ * This function prints the ep0 state for debug purposes. -+ */ -+static inline void print_ep0_state(dwc_otg_pcd_t *pcd) -+{ -+#ifdef DEBUG -+ char str[40]; -+ -+ switch (pcd->ep0state) { -+ case EP0_DISCONNECT: -+ strcpy(str, "EP0_DISCONNECT"); -+ break; -+ case EP0_IDLE: -+ strcpy(str, "EP0_IDLE"); -+ break; -+ case EP0_IN_DATA_PHASE: -+ strcpy(str, "EP0_IN_DATA_PHASE"); -+ break; -+ case EP0_OUT_DATA_PHASE: -+ strcpy(str, "EP0_OUT_DATA_PHASE"); -+ break; -+ case EP0_IN_STATUS_PHASE: -+ strcpy(str,"EP0_IN_STATUS_PHASE"); -+ break; -+ case EP0_OUT_STATUS_PHASE: -+ strcpy(str,"EP0_OUT_STATUS_PHASE"); -+ break; -+ case EP0_STALL: -+ strcpy(str,"EP0_STALL"); -+ break; -+ default: -+ strcpy(str,"EP0_INVALID"); -+ } -+ -+ DWC_DEBUGPL(DBG_ANY, "%s(%d)\n", str, pcd->ep0state); -+#endif -+} -+ -+/** -+ * This function returns pointer to in ep struct with number ep_num -+ */ -+static inline dwc_otg_pcd_ep_t* get_in_ep(dwc_otg_pcd_t *pcd, uint32_t ep_num) -+{ -+ int i; -+ int num_in_eps = GET_CORE_IF(pcd)->dev_if->num_in_eps; -+ if(ep_num == 0) { -+ return &pcd->ep0; -+ } -+ else { -+ for(i = 0; i < num_in_eps; ++i) -+ { -+ if(pcd->in_ep[i].dwc_ep.num == ep_num) -+ return &pcd->in_ep[i]; -+ } -+ return 0; -+ } -+} -+/** -+ * This function returns pointer to out ep struct with number ep_num -+ */ -+static inline dwc_otg_pcd_ep_t* get_out_ep(dwc_otg_pcd_t *pcd, uint32_t ep_num) -+{ -+ int i; -+ int num_out_eps = GET_CORE_IF(pcd)->dev_if->num_out_eps; -+ if(ep_num == 0) { -+ return &pcd->ep0; -+ } -+ else { -+ for(i = 0; i < num_out_eps; ++i) -+ { -+ if(pcd->out_ep[i].dwc_ep.num == ep_num) -+ return &pcd->out_ep[i]; -+ } -+ return 0; -+ } -+} -+/** -+ * This functions gets a pointer to an EP from the wIndex address -+ * value of the control request. -+ */ -+static dwc_otg_pcd_ep_t *get_ep_by_addr (dwc_otg_pcd_t *pcd, u16 wIndex) -+{ -+ dwc_otg_pcd_ep_t *ep; -+ -+ if ((wIndex & USB_ENDPOINT_NUMBER_MASK) == 0) -+ return &pcd->ep0; -+ list_for_each_entry(ep, &pcd->gadget.ep_list, ep.ep_list) -+ { -+ u8 bEndpointAddress; -+ -+ if (!ep->desc) -+ continue; -+ -+ bEndpointAddress = ep->desc->bEndpointAddress; -+ if((wIndex & (USB_DIR_IN | USB_ENDPOINT_NUMBER_MASK)) -+ == (bEndpointAddress & (USB_DIR_IN | USB_ENDPOINT_NUMBER_MASK))) -+ return ep; -+ } -+ return NULL; -+} -+ -+/** -+ * This function checks the EP request queue, if the queue is not -+ * empty the next request is started. -+ */ -+void start_next_request(dwc_otg_pcd_ep_t *ep) -+{ -+ dwc_otg_pcd_request_t *req = 0; -+ uint32_t max_transfer = GET_CORE_IF(ep->pcd)->core_params->max_transfer_size; -+ -+ if (!list_empty(&ep->queue)) { -+ req = list_entry(ep->queue.next, -+ dwc_otg_pcd_request_t, queue); -+ -+ /* Setup and start the Transfer */ -+ ep->dwc_ep.dma_addr = req->req.dma; -+ ep->dwc_ep.start_xfer_buff = req->req.buf; -+ ep->dwc_ep.xfer_buff = req->req.buf; -+ ep->dwc_ep.sent_zlp = 0; -+ ep->dwc_ep.total_len = req->req.length; -+ ep->dwc_ep.xfer_len = 0; -+ ep->dwc_ep.xfer_count = 0; -+ -+ if(max_transfer > MAX_TRANSFER_SIZE) { -+ ep->dwc_ep.maxxfer = max_transfer - (max_transfer % ep->dwc_ep.maxpacket); -+ } else { -+ ep->dwc_ep.maxxfer = max_transfer; -+ } -+ -+ if(req->req.zero) { -+ if((ep->dwc_ep.total_len % ep->dwc_ep.maxpacket == 0) -+ && (ep->dwc_ep.total_len != 0)) { -+ ep->dwc_ep.sent_zlp = 1; -+ } -+ -+ } -+ -+ dwc_otg_ep_start_transfer(GET_CORE_IF(ep->pcd), &ep->dwc_ep); -+ } -+} -+ -+/** -+ * This function handles the SOF Interrupts. At this time the SOF -+ * Interrupt is disabled. -+ */ -+int32_t dwc_otg_pcd_handle_sof_intr(dwc_otg_pcd_t *pcd) -+{ -+ dwc_otg_core_if_t *core_if = GET_CORE_IF(pcd); -+ -+ gintsts_data_t gintsts; -+ -+ DWC_DEBUGPL(DBG_PCD, "SOF\n"); -+ -+ /* Clear interrupt */ -+ gintsts.d32 = 0; -+ gintsts.b.sofintr = 1; -+ dwc_write_reg32 (&core_if->core_global_regs->gintsts, gintsts.d32); -+ -+ return 1; -+} -+ -+ -+/** -+ * This function handles the Rx Status Queue Level Interrupt, which -+ * indicates that there is a least one packet in the Rx FIFO. The -+ * packets are moved from the FIFO to memory, where they will be -+ * processed when the Endpoint Interrupt Register indicates Transfer -+ * Complete or SETUP Phase Done. -+ * -+ * Repeat the following until the Rx Status Queue is empty: -+ * -# Read the Receive Status Pop Register (GRXSTSP) to get Packet -+ * info -+ * -# If Receive FIFO is empty then skip to step Clear the interrupt -+ * and exit -+ * -# If SETUP Packet call dwc_otg_read_setup_packet to copy the -+ * SETUP data to the buffer -+ * -# If OUT Data Packet call dwc_otg_read_packet to copy the data -+ * to the destination buffer -+ */ -+int32_t dwc_otg_pcd_handle_rx_status_q_level_intr(dwc_otg_pcd_t *pcd) -+{ -+ dwc_otg_core_if_t *core_if = GET_CORE_IF(pcd); -+ dwc_otg_core_global_regs_t *global_regs = core_if->core_global_regs; -+ gintmsk_data_t gintmask = {.d32=0}; -+ device_grxsts_data_t status; -+ dwc_otg_pcd_ep_t *ep; -+ gintsts_data_t gintsts; -+#ifdef DEBUG -+ static char *dpid_str[] ={ "D0", "D2", "D1", "MDATA" }; -+#endif -+ -+ //DWC_DEBUGPL(DBG_PCDV, "%s(%p)\n", __func__, _pcd); -+ /* Disable the Rx Status Queue Level interrupt */ -+ gintmask.b.rxstsqlvl= 1; -+ dwc_modify_reg32(&global_regs->gintmsk, gintmask.d32, 0); -+ -+ /* Get the Status from the top of the FIFO */ -+ status.d32 = dwc_read_reg32(&global_regs->grxstsp); -+ -+ DWC_DEBUGPL(DBG_PCD, "EP:%d BCnt:%d DPID:%s " -+ "pktsts:%x Frame:%d(0x%0x)\n", -+ status.b.epnum, status.b.bcnt, -+ dpid_str[status.b.dpid], -+ status.b.pktsts, status.b.fn, status.b.fn); -+ /* Get pointer to EP structure */ -+ ep = get_out_ep(pcd, status.b.epnum); -+ -+ switch (status.b.pktsts) { -+ case DWC_DSTS_GOUT_NAK: -+ DWC_DEBUGPL(DBG_PCDV, "Global OUT NAK\n"); -+ break; -+ case DWC_STS_DATA_UPDT: -+ DWC_DEBUGPL(DBG_PCDV, "OUT Data Packet\n"); -+ if (status.b.bcnt && ep->dwc_ep.xfer_buff) { -+ /** @todo NGS Check for buffer overflow? */ -+ dwc_otg_read_packet(core_if, -+ ep->dwc_ep.xfer_buff, -+ status.b.bcnt); -+ ep->dwc_ep.xfer_count += status.b.bcnt; -+ ep->dwc_ep.xfer_buff += status.b.bcnt; -+ } -+ break; -+ case DWC_STS_XFER_COMP: -+ DWC_DEBUGPL(DBG_PCDV, "OUT Complete\n"); -+ break; -+ case DWC_DSTS_SETUP_COMP: -+#ifdef DEBUG_EP0 -+ DWC_DEBUGPL(DBG_PCDV, "Setup Complete\n"); -+#endif -+ break; -+case DWC_DSTS_SETUP_UPDT: -+ dwc_otg_read_setup_packet(core_if, pcd->setup_pkt->d32); -+#ifdef DEBUG_EP0 -+ DWC_DEBUGPL(DBG_PCD, -+ "SETUP PKT: %02x.%02x v%04x i%04x l%04x\n", -+ pcd->setup_pkt->req.bRequestType, -+ pcd->setup_pkt->req.bRequest, -+ pcd->setup_pkt->req.wValue, -+ pcd->setup_pkt->req.wIndex, -+ pcd->setup_pkt->req.wLength); -+#endif -+ ep->dwc_ep.xfer_count += status.b.bcnt; -+ break; -+ default: -+ DWC_DEBUGPL(DBG_PCDV, "Invalid Packet Status (0x%0x)\n", -+ status.b.pktsts); -+ break; -+ } -+ -+ /* Enable the Rx Status Queue Level interrupt */ -+ dwc_modify_reg32(&global_regs->gintmsk, 0, gintmask.d32); -+ /* Clear interrupt */ -+ gintsts.d32 = 0; -+ gintsts.b.rxstsqlvl = 1; -+ dwc_write_reg32 (&global_regs->gintsts, gintsts.d32); -+ -+ //DWC_DEBUGPL(DBG_PCDV, "EXIT: %s\n", __func__); -+ return 1; -+} -+/** -+ * This function examines the Device IN Token Learning Queue to -+ * determine the EP number of the last IN token received. This -+ * implementation is for the Mass Storage device where there are only -+ * 2 IN EPs (Control-IN and BULK-IN). -+ * -+ * The EP numbers for the first six IN Tokens are in DTKNQR1 and there -+ * are 8 EP Numbers in each of the other possible DTKNQ Registers. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * -+ */ -+static inline int get_ep_of_last_in_token(dwc_otg_core_if_t *core_if) -+{ -+ dwc_otg_device_global_regs_t *dev_global_regs = -+ core_if->dev_if->dev_global_regs; -+ const uint32_t TOKEN_Q_DEPTH = core_if->hwcfg2.b.dev_token_q_depth; -+ /* Number of Token Queue Registers */ -+ const int DTKNQ_REG_CNT = (TOKEN_Q_DEPTH + 7) / 8; -+ dtknq1_data_t dtknqr1; -+ uint32_t in_tkn_epnums[4]; -+ int ndx = 0; -+ int i = 0; -+ volatile uint32_t *addr = &dev_global_regs->dtknqr1; -+ int epnum = 0; -+ -+ //DWC_DEBUGPL(DBG_PCD,"dev_token_q_depth=%d\n",TOKEN_Q_DEPTH); -+ -+ -+ /* Read the DTKNQ Registers */ -+ for (i = 0; i < DTKNQ_REG_CNT; i++) -+ { -+ in_tkn_epnums[ i ] = dwc_read_reg32(addr); -+ DWC_DEBUGPL(DBG_PCDV, "DTKNQR%d=0x%08x\n", i+1, -+ in_tkn_epnums[i]); -+ if (addr == &dev_global_regs->dvbusdis) { -+ addr = &dev_global_regs->dtknqr3_dthrctl; -+ } -+ else { -+ ++addr; -+ } -+ -+ } -+ -+ /* Copy the DTKNQR1 data to the bit field. */ -+ dtknqr1.d32 = in_tkn_epnums[0]; -+ /* Get the EP numbers */ -+ in_tkn_epnums[0] = dtknqr1.b.epnums0_5; -+ ndx = dtknqr1.b.intknwptr - 1; -+ -+ //DWC_DEBUGPL(DBG_PCDV,"ndx=%d\n",ndx); -+ if (ndx == -1) { -+ /** @todo Find a simpler way to calculate the max -+ * queue position.*/ -+ int cnt = TOKEN_Q_DEPTH; -+ if (TOKEN_Q_DEPTH <= 6) { -+ cnt = TOKEN_Q_DEPTH - 1; -+ } -+ else if (TOKEN_Q_DEPTH <= 14) { -+ cnt = TOKEN_Q_DEPTH - 7; -+ } -+ else if (TOKEN_Q_DEPTH <= 22) { -+ cnt = TOKEN_Q_DEPTH - 15; -+ } -+ else { -+ cnt = TOKEN_Q_DEPTH - 23; -+ } -+ epnum = (in_tkn_epnums[ DTKNQ_REG_CNT - 1 ] >> (cnt * 4)) & 0xF; -+ } -+ else { -+ if (ndx <= 5) { -+ epnum = (in_tkn_epnums[0] >> (ndx * 4)) & 0xF; -+ } -+ else if (ndx <= 13) { -+ ndx -= 6; -+ epnum = (in_tkn_epnums[1] >> (ndx * 4)) & 0xF; -+ } -+ else if (ndx <= 21) { -+ ndx -= 14; -+ epnum = (in_tkn_epnums[2] >> (ndx * 4)) & 0xF; -+ } -+ else if (ndx <= 29) { -+ ndx -= 22; -+ epnum = (in_tkn_epnums[3] >> (ndx * 4)) & 0xF; -+ } -+ } -+ //DWC_DEBUGPL(DBG_PCD,"epnum=%d\n",epnum); -+ return epnum; -+} -+ -+/** -+ * This interrupt occurs when the non-periodic Tx FIFO is half-empty. -+ * The active request is checked for the next packet to be loaded into -+ * the non-periodic Tx FIFO. -+ */ -+int32_t dwc_otg_pcd_handle_np_tx_fifo_empty_intr(dwc_otg_pcd_t *pcd) -+{ -+ dwc_otg_core_if_t *core_if = GET_CORE_IF(pcd); -+ dwc_otg_core_global_regs_t *global_regs = -+ core_if->core_global_regs; -+ dwc_otg_dev_in_ep_regs_t *ep_regs; -+ gnptxsts_data_t txstatus = {.d32 = 0}; -+ gintsts_data_t gintsts; -+ -+ int epnum = 0; -+ dwc_otg_pcd_ep_t *ep = 0; -+ uint32_t len = 0; -+ int dwords; -+ -+ /* Get the epnum from the IN Token Learning Queue. */ -+ epnum = get_ep_of_last_in_token(core_if); -+ ep = get_in_ep(pcd, epnum); -+ -+ DWC_DEBUGPL(DBG_PCD, "NP TxFifo Empty: %s(%d) \n", ep->ep.name, epnum); -+ ep_regs = core_if->dev_if->in_ep_regs[epnum]; -+ -+ len = ep->dwc_ep.xfer_len - ep->dwc_ep.xfer_count; -+ if (len > ep->dwc_ep.maxpacket) { -+ len = ep->dwc_ep.maxpacket; -+ } -+ dwords = (len + 3)/4; -+ -+ -+ /* While there is space in the queue and space in the FIFO and -+ * More data to tranfer, Write packets to the Tx FIFO */ -+ txstatus.d32 = dwc_read_reg32(&global_regs->gnptxsts); -+ DWC_DEBUGPL(DBG_PCDV, "b4 GNPTXSTS=0x%08x\n",txstatus.d32); -+ -+ while (txstatus.b.nptxqspcavail > 0 && -+ txstatus.b.nptxfspcavail > dwords && -+ ep->dwc_ep.xfer_count < ep->dwc_ep.xfer_len) { -+ /* Write the FIFO */ -+ dwc_otg_ep_write_packet(core_if, &ep->dwc_ep, 0); -+ len = ep->dwc_ep.xfer_len - ep->dwc_ep.xfer_count; -+ -+ if (len > ep->dwc_ep.maxpacket) { -+ len = ep->dwc_ep.maxpacket; -+ } -+ -+ dwords = (len + 3)/4; -+ txstatus.d32 = dwc_read_reg32(&global_regs->gnptxsts); -+ DWC_DEBUGPL(DBG_PCDV,"GNPTXSTS=0x%08x\n",txstatus.d32); -+ } -+ -+ DWC_DEBUGPL(DBG_PCDV, "GNPTXSTS=0x%08x\n", -+ dwc_read_reg32(&global_regs->gnptxsts)); -+ -+ /* Clear interrupt */ -+ gintsts.d32 = 0; -+ gintsts.b.nptxfempty = 1; -+ dwc_write_reg32 (&global_regs->gintsts, gintsts.d32); -+ -+ return 1; -+} -+ -+/** -+ * This function is called when dedicated Tx FIFO Empty interrupt occurs. -+ * The active request is checked for the next packet to be loaded into -+ * apropriate Tx FIFO. -+ */ -+static int32_t write_empty_tx_fifo(dwc_otg_pcd_t *pcd, uint32_t epnum) -+{ -+ dwc_otg_core_if_t *core_if = GET_CORE_IF(pcd); -+ dwc_otg_dev_if_t* dev_if = core_if->dev_if; -+ dwc_otg_dev_in_ep_regs_t *ep_regs; -+ dtxfsts_data_t txstatus = {.d32 = 0}; -+ dwc_otg_pcd_ep_t *ep = 0; -+ uint32_t len = 0; -+ int dwords; -+ -+ ep = get_in_ep(pcd, epnum); -+ -+ DWC_DEBUGPL(DBG_PCD, "Dedicated TxFifo Empty: %s(%d) \n", ep->ep.name, epnum); -+ -+ ep_regs = core_if->dev_if->in_ep_regs[epnum]; -+ -+ len = ep->dwc_ep.xfer_len - ep->dwc_ep.xfer_count; -+ -+ if (len > ep->dwc_ep.maxpacket) { -+ len = ep->dwc_ep.maxpacket; -+ } -+ -+ dwords = (len + 3)/4; -+ -+ /* While there is space in the queue and space in the FIFO and -+ * More data to tranfer, Write packets to the Tx FIFO */ -+ txstatus.d32 = dwc_read_reg32(&dev_if->in_ep_regs[epnum]->dtxfsts); -+ DWC_DEBUGPL(DBG_PCDV, "b4 dtxfsts[%d]=0x%08x\n",epnum,txstatus.d32); -+ -+ while (txstatus.b.txfspcavail > dwords && -+ ep->dwc_ep.xfer_count < ep->dwc_ep.xfer_len && -+ ep->dwc_ep.xfer_len != 0) { -+ /* Write the FIFO */ -+ dwc_otg_ep_write_packet(core_if, &ep->dwc_ep, 0); -+ -+ len = ep->dwc_ep.xfer_len - ep->dwc_ep.xfer_count; -+ if (len > ep->dwc_ep.maxpacket) { -+ len = ep->dwc_ep.maxpacket; -+ } -+ -+ dwords = (len + 3)/4; -+ txstatus.d32 = dwc_read_reg32(&dev_if->in_ep_regs[epnum]->dtxfsts); -+ DWC_DEBUGPL(DBG_PCDV,"dtxfsts[%d]=0x%08x\n", epnum, txstatus.d32); -+ } -+ -+ DWC_DEBUGPL(DBG_PCDV, "b4 dtxfsts[%d]=0x%08x\n",epnum,dwc_read_reg32(&dev_if->in_ep_regs[epnum]->dtxfsts)); -+ -+ return 1; -+} -+ -+ -+/** -+ * This function is called when the Device is disconnected. It stops -+ * any active requests and informs the Gadget driver of the -+ * disconnect. -+ */ -+void dwc_otg_pcd_stop(dwc_otg_pcd_t *pcd) -+{ -+ int i, num_in_eps, num_out_eps; -+ dwc_otg_pcd_ep_t *ep; -+ -+ gintmsk_data_t intr_mask = {.d32 = 0}; -+ -+ num_in_eps = GET_CORE_IF(pcd)->dev_if->num_in_eps; -+ num_out_eps = GET_CORE_IF(pcd)->dev_if->num_out_eps; -+ -+ DWC_DEBUGPL(DBG_PCDV, "%s() \n", __func__); -+ /* don't disconnect drivers more than once */ -+ if (pcd->ep0state == EP0_DISCONNECT) { -+ DWC_DEBUGPL(DBG_ANY, "%s() Already Disconnected\n", __func__); -+ return; -+ } -+ pcd->ep0state = EP0_DISCONNECT; -+ -+ /* Reset the OTG state. */ -+ dwc_otg_pcd_update_otg(pcd, 1); -+ -+ /* Disable the NP Tx Fifo Empty Interrupt. */ -+ intr_mask.b.nptxfempty = 1; -+ dwc_modify_reg32(&GET_CORE_IF(pcd)->core_global_regs->gintmsk, -+ intr_mask.d32, 0); -+ -+ /* Flush the FIFOs */ -+ /**@todo NGS Flush Periodic FIFOs */ -+ dwc_otg_flush_tx_fifo(GET_CORE_IF(pcd), 0x10); -+ dwc_otg_flush_rx_fifo(GET_CORE_IF(pcd)); -+ -+ /* prevent new request submissions, kill any outstanding requests */ -+ ep = &pcd->ep0; -+ dwc_otg_request_nuke(ep); -+ /* prevent new request submissions, kill any outstanding requests */ -+ for (i = 0; i < num_in_eps; i++) -+ { -+ dwc_otg_pcd_ep_t *ep = &pcd->in_ep[i]; -+ dwc_otg_request_nuke(ep); -+ } -+ /* prevent new request submissions, kill any outstanding requests */ -+ for (i = 0; i < num_out_eps; i++) -+ { -+ dwc_otg_pcd_ep_t *ep = &pcd->out_ep[i]; -+ dwc_otg_request_nuke(ep); -+ } -+ -+ /* report disconnect; the driver is already quiesced */ -+ if (pcd->driver && pcd->driver->disconnect) { -+ SPIN_UNLOCK(&pcd->lock); -+ pcd->driver->disconnect(&pcd->gadget); -+ SPIN_LOCK(&pcd->lock); -+ } -+} -+ -+/** -+ * This interrupt indicates that ... -+ */ -+int32_t dwc_otg_pcd_handle_i2c_intr(dwc_otg_pcd_t *pcd) -+{ -+ gintmsk_data_t intr_mask = { .d32 = 0}; -+ gintsts_data_t gintsts; -+ -+ DWC_PRINT("INTERRUPT Handler not implemented for %s\n", "i2cintr"); -+ intr_mask.b.i2cintr = 1; -+ dwc_modify_reg32(&GET_CORE_IF(pcd)->core_global_regs->gintmsk, -+ intr_mask.d32, 0); -+ -+ /* Clear interrupt */ -+ gintsts.d32 = 0; -+ gintsts.b.i2cintr = 1; -+ dwc_write_reg32 (&GET_CORE_IF(pcd)->core_global_regs->gintsts, -+ gintsts.d32); -+ return 1; -+} -+ -+ -+/** -+ * This interrupt indicates that ... -+ */ -+int32_t dwc_otg_pcd_handle_early_suspend_intr(dwc_otg_pcd_t *pcd) -+{ -+ gintsts_data_t gintsts; -+#if defined(VERBOSE) -+ DWC_PRINT("Early Suspend Detected\n"); -+#endif -+ /* Clear interrupt */ -+ gintsts.d32 = 0; -+ gintsts.b.erlysuspend = 1; -+ dwc_write_reg32(&GET_CORE_IF(pcd)->core_global_regs->gintsts, -+ gintsts.d32); -+ return 1; -+} -+ -+/** -+ * This function configures EPO to receive SETUP packets. -+ * -+ * @todo NGS: Update the comments from the HW FS. -+ * -+ * -# Program the following fields in the endpoint specific registers -+ * for Control OUT EP 0, in order to receive a setup packet -+ * - DOEPTSIZ0.Packet Count = 3 (To receive up to 3 back to back -+ * setup packets) -+ * - DOEPTSIZE0.Transfer Size = 24 Bytes (To receive up to 3 back -+ * to back setup packets) -+ * - In DMA mode, DOEPDMA0 Register with a memory address to -+ * store any setup packets received -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param pcd Programming view of the PCD. -+ */ -+static inline void ep0_out_start(dwc_otg_core_if_t *core_if, dwc_otg_pcd_t *pcd) -+{ -+ dwc_otg_dev_if_t *dev_if = core_if->dev_if; -+ deptsiz0_data_t doeptsize0 = { .d32 = 0}; -+ dwc_otg_dma_desc_t* dma_desc; -+ depctl_data_t doepctl = { .d32 = 0 }; -+ -+#ifdef VERBOSE -+ DWC_DEBUGPL(DBG_PCDV,"%s() doepctl0=%0x\n", __func__, -+ dwc_read_reg32(&dev_if->out_ep_regs[0]->doepctl)); -+#endif -+ -+ doeptsize0.b.supcnt = 3; -+ doeptsize0.b.pktcnt = 1; -+ doeptsize0.b.xfersize = 8*3; -+ -+ -+ if (core_if->dma_enable) { -+ if (!core_if->dma_desc_enable) { -+ /** put here as for Hermes mode deptisz register should not be written */ -+ dwc_write_reg32(&dev_if->out_ep_regs[0]->doeptsiz, -+ doeptsize0.d32); -+ -+ /** @todo dma needs to handle multiple setup packets (up to 3) */ -+ dwc_write_reg32(&dev_if->out_ep_regs[0]->doepdma, -+ pcd->setup_pkt_dma_handle); -+ } else { -+ dev_if->setup_desc_index = (dev_if->setup_desc_index + 1) & 1; -+ dma_desc = dev_if->setup_desc_addr[dev_if->setup_desc_index]; -+ -+ /** DMA Descriptor Setup */ -+ dma_desc->status.b.bs = BS_HOST_BUSY; -+ dma_desc->status.b.l = 1; -+ dma_desc->status.b.ioc = 1; -+ dma_desc->status.b.bytes = pcd->ep0.dwc_ep.maxpacket; -+ dma_desc->buf = pcd->setup_pkt_dma_handle; -+ dma_desc->status.b.bs = BS_HOST_READY; -+ -+ /** DOEPDMA0 Register write */ -+ dwc_write_reg32(&dev_if->out_ep_regs[0]->doepdma, dev_if->dma_setup_desc_addr[dev_if->setup_desc_index]); -+ } -+ -+ } else { -+ /** put here as for Hermes mode deptisz register should not be written */ -+ dwc_write_reg32(&dev_if->out_ep_regs[0]->doeptsiz, -+ doeptsize0.d32); -+ } -+ -+ /** DOEPCTL0 Register write */ -+ doepctl.b.epena = 1; -+ doepctl.b.cnak = 1; -+ dwc_write_reg32(&dev_if->out_ep_regs[0]->doepctl, doepctl.d32); -+ -+#ifdef VERBOSE -+ DWC_DEBUGPL(DBG_PCDV,"doepctl0=%0x\n", -+ dwc_read_reg32(&dev_if->out_ep_regs[0]->doepctl)); -+ DWC_DEBUGPL(DBG_PCDV,"diepctl0=%0x\n", -+ dwc_read_reg32(&dev_if->in_ep_regs[0]->diepctl)); -+#endif -+} -+ -+ -+/** -+ * This interrupt occurs when a USB Reset is detected. When the USB -+ * Reset Interrupt occurs the device state is set to DEFAULT and the -+ * EP0 state is set to IDLE. -+ * -# Set the NAK bit for all OUT endpoints (DOEPCTLn.SNAK = 1) -+ * -# Unmask the following interrupt bits -+ * - DAINTMSK.INEP0 = 1 (Control 0 IN endpoint) -+ * - DAINTMSK.OUTEP0 = 1 (Control 0 OUT endpoint) -+ * - DOEPMSK.SETUP = 1 -+ * - DOEPMSK.XferCompl = 1 -+ * - DIEPMSK.XferCompl = 1 -+ * - DIEPMSK.TimeOut = 1 -+ * -# Program the following fields in the endpoint specific registers -+ * for Control OUT EP 0, in order to receive a setup packet -+ * - DOEPTSIZ0.Packet Count = 3 (To receive up to 3 back to back -+ * setup packets) -+ * - DOEPTSIZE0.Transfer Size = 24 Bytes (To receive up to 3 back -+ * to back setup packets) -+ * - In DMA mode, DOEPDMA0 Register with a memory address to -+ * store any setup packets received -+ * At this point, all the required initialization, except for enabling -+ * the control 0 OUT endpoint is done, for receiving SETUP packets. -+ */ -+int32_t dwc_otg_pcd_handle_usb_reset_intr(dwc_otg_pcd_t * pcd) -+{ -+ dwc_otg_core_if_t *core_if = GET_CORE_IF(pcd); -+ dwc_otg_dev_if_t *dev_if = core_if->dev_if; -+ depctl_data_t doepctl = { .d32 = 0}; -+ -+ daint_data_t daintmsk = { .d32 = 0}; -+ doepmsk_data_t doepmsk = { .d32 = 0}; -+ diepmsk_data_t diepmsk = { .d32 = 0}; -+ -+ dcfg_data_t dcfg = { .d32=0 }; -+ grstctl_t resetctl = { .d32=0 }; -+ dctl_data_t dctl = {.d32=0}; -+ int i = 0; -+ gintsts_data_t gintsts; -+ -+ DWC_PRINT("USB RESET\n"); -+#ifdef DWC_EN_ISOC -+ for(i = 1;i < 16; ++i) -+ { -+ dwc_otg_pcd_ep_t *ep; -+ dwc_ep_t *dwc_ep; -+ ep = get_in_ep(pcd,i); -+ if(ep != 0){ -+ dwc_ep = &ep->dwc_ep; -+ dwc_ep->next_frame = 0xffffffff; -+ } -+ } -+#endif /* DWC_EN_ISOC */ -+ -+ /* reset the HNP settings */ -+ dwc_otg_pcd_update_otg(pcd, 1); -+ -+ /* Clear the Remote Wakeup Signalling */ -+ dctl.b.rmtwkupsig = 1; -+ dwc_modify_reg32(&core_if->dev_if->dev_global_regs->dctl, -+ dctl.d32, 0); -+ -+ /* Set NAK for all OUT EPs */ -+ doepctl.b.snak = 1; -+ for (i=0; i <= dev_if->num_out_eps; i++) -+ { -+ dwc_write_reg32(&dev_if->out_ep_regs[i]->doepctl, -+ doepctl.d32); -+ } -+ -+ /* Flush the NP Tx FIFO */ -+ dwc_otg_flush_tx_fifo(core_if, 0x10); -+ /* Flush the Learning Queue */ -+ resetctl.b.intknqflsh = 1; -+ dwc_write_reg32(&core_if->core_global_regs->grstctl, resetctl.d32); -+ -+ if(core_if->multiproc_int_enable) { -+ daintmsk.b.inep0 = 1; -+ daintmsk.b.outep0 = 1; -+ dwc_write_reg32(&dev_if->dev_global_regs->deachintmsk, daintmsk.d32); -+ -+ doepmsk.b.setup = 1; -+ doepmsk.b.xfercompl = 1; -+ doepmsk.b.ahberr = 1; -+ doepmsk.b.epdisabled = 1; -+ -+ if(core_if->dma_desc_enable) { -+ doepmsk.b.stsphsercvd = 1; -+ doepmsk.b.bna = 1; -+ } -+/* -+ doepmsk.b.babble = 1; -+ doepmsk.b.nyet = 1; -+ -+ if(core_if->dma_enable) { -+ doepmsk.b.nak = 1; -+ } -+*/ -+ dwc_write_reg32(&dev_if->dev_global_regs->doepeachintmsk[0], doepmsk.d32); -+ -+ diepmsk.b.xfercompl = 1; -+ diepmsk.b.timeout = 1; -+ diepmsk.b.epdisabled = 1; -+ diepmsk.b.ahberr = 1; -+ diepmsk.b.intknepmis = 1; -+ -+ if(core_if->dma_desc_enable) { -+ diepmsk.b.bna = 1; -+ } -+/* -+ if(core_if->dma_enable) { -+ diepmsk.b.nak = 1; -+ } -+*/ -+ dwc_write_reg32(&dev_if->dev_global_regs->diepeachintmsk[0], diepmsk.d32); -+ } else{ -+ daintmsk.b.inep0 = 1; -+ daintmsk.b.outep0 = 1; -+ dwc_write_reg32(&dev_if->dev_global_regs->daintmsk, daintmsk.d32); -+ -+ doepmsk.b.setup = 1; -+ doepmsk.b.xfercompl = 1; -+ doepmsk.b.ahberr = 1; -+ doepmsk.b.epdisabled = 1; -+ -+ if(core_if->dma_desc_enable) { -+ doepmsk.b.stsphsercvd = 1; -+ doepmsk.b.bna = 1; -+ } -+/* -+ doepmsk.b.babble = 1; -+ doepmsk.b.nyet = 1; -+ doepmsk.b.nak = 1; -+*/ -+ dwc_write_reg32(&dev_if->dev_global_regs->doepmsk, doepmsk.d32); -+ -+ diepmsk.b.xfercompl = 1; -+ diepmsk.b.timeout = 1; -+ diepmsk.b.epdisabled = 1; -+ diepmsk.b.ahberr = 1; -+ diepmsk.b.intknepmis = 1; -+ -+ if(core_if->dma_desc_enable) { -+ diepmsk.b.bna = 1; -+ } -+ -+// diepmsk.b.nak = 1; -+ -+ dwc_write_reg32(&dev_if->dev_global_regs->diepmsk, diepmsk.d32); -+ } -+ -+ /* Reset Device Address */ -+ dcfg.d32 = dwc_read_reg32(&dev_if->dev_global_regs->dcfg); -+ dcfg.b.devaddr = 0; -+ dwc_write_reg32(&dev_if->dev_global_regs->dcfg, dcfg.d32); -+ -+ /* setup EP0 to receive SETUP packets */ -+ ep0_out_start(core_if, pcd); -+ -+ /* Clear interrupt */ -+ gintsts.d32 = 0; -+ gintsts.b.usbreset = 1; -+ dwc_write_reg32 (&core_if->core_global_regs->gintsts, gintsts.d32); -+ -+ return 1; -+} -+ -+/** -+ * Get the device speed from the device status register and convert it -+ * to USB speed constant. -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ */ -+static int get_device_speed(dwc_otg_core_if_t *core_if) -+{ -+ dsts_data_t dsts; -+ enum usb_device_speed speed = USB_SPEED_UNKNOWN; -+ dsts.d32 = dwc_read_reg32(&core_if->dev_if->dev_global_regs->dsts); -+ -+ switch (dsts.b.enumspd) { -+ case DWC_DSTS_ENUMSPD_HS_PHY_30MHZ_OR_60MHZ: -+ speed = USB_SPEED_HIGH; -+ break; -+ case DWC_DSTS_ENUMSPD_FS_PHY_30MHZ_OR_60MHZ: -+ case DWC_DSTS_ENUMSPD_FS_PHY_48MHZ: -+ speed = USB_SPEED_FULL; -+ break; -+ -+ case DWC_DSTS_ENUMSPD_LS_PHY_6MHZ: -+ speed = USB_SPEED_LOW; -+ break; -+ } -+ -+ return speed; -+} -+ -+/** -+ * Read the device status register and set the device speed in the -+ * data structure. -+ * Set up EP0 to receive SETUP packets by calling dwc_ep0_activate. -+ */ -+int32_t dwc_otg_pcd_handle_enum_done_intr(dwc_otg_pcd_t *pcd) -+{ -+ dwc_otg_pcd_ep_t *ep0 = &pcd->ep0; -+ gintsts_data_t gintsts; -+ gusbcfg_data_t gusbcfg; -+ dwc_otg_core_global_regs_t *global_regs = -+ GET_CORE_IF(pcd)->core_global_regs; -+ uint8_t utmi16b, utmi8b; -+ DWC_DEBUGPL(DBG_PCD, "SPEED ENUM\n"); -+ -+ if (GET_CORE_IF(pcd)->snpsid >= 0x4F54260A) { -+ utmi16b = 6; -+ utmi8b = 9; -+ } else { -+ utmi16b = 4; -+ utmi8b = 8; -+ } -+ dwc_otg_ep0_activate(GET_CORE_IF(pcd), &ep0->dwc_ep); -+ -+#ifdef DEBUG_EP0 -+ print_ep0_state(pcd); -+#endif -+ -+ if (pcd->ep0state == EP0_DISCONNECT) { -+ pcd->ep0state = EP0_IDLE; -+ } -+ else if (pcd->ep0state == EP0_STALL) { -+ pcd->ep0state = EP0_IDLE; -+ } -+ -+ pcd->ep0state = EP0_IDLE; -+ -+ ep0->stopped = 0; -+ -+ pcd->gadget.speed = get_device_speed(GET_CORE_IF(pcd)); -+ -+ /* Set USB turnaround time based on device speed and PHY interface. */ -+ gusbcfg.d32 = dwc_read_reg32(&global_regs->gusbcfg); -+ if (pcd->gadget.speed == USB_SPEED_HIGH) { -+ if (GET_CORE_IF(pcd)->hwcfg2.b.hs_phy_type == DWC_HWCFG2_HS_PHY_TYPE_ULPI) { -+ /* ULPI interface */ -+ gusbcfg.b.usbtrdtim = 9; -+ } -+ if (GET_CORE_IF(pcd)->hwcfg2.b.hs_phy_type == DWC_HWCFG2_HS_PHY_TYPE_UTMI) { -+ /* UTMI+ interface */ -+ if (GET_CORE_IF(pcd)->hwcfg4.b.utmi_phy_data_width == 0) { -+ gusbcfg.b.usbtrdtim = utmi8b; -+ } -+ else if (GET_CORE_IF(pcd)->hwcfg4.b.utmi_phy_data_width == 1) { -+ gusbcfg.b.usbtrdtim = utmi16b; -+ } -+ else if (GET_CORE_IF(pcd)->core_params->phy_utmi_width == 8) { -+ gusbcfg.b.usbtrdtim = utmi8b; -+ } -+ else { -+ gusbcfg.b.usbtrdtim = utmi16b; -+ } -+ } -+ if (GET_CORE_IF(pcd)->hwcfg2.b.hs_phy_type == DWC_HWCFG2_HS_PHY_TYPE_UTMI_ULPI) { -+ /* UTMI+ OR ULPI interface */ -+ if (gusbcfg.b.ulpi_utmi_sel == 1) { -+ /* ULPI interface */ -+ gusbcfg.b.usbtrdtim = 9; -+ } -+ else { -+ /* UTMI+ interface */ -+ if (GET_CORE_IF(pcd)->core_params->phy_utmi_width == 16) { -+ gusbcfg.b.usbtrdtim = utmi16b; -+ } -+ else { -+ gusbcfg.b.usbtrdtim = utmi8b; -+ } -+ } -+ } -+ } -+ else { -+ /* Full or low speed */ -+ gusbcfg.b.usbtrdtim = 9; -+ } -+ dwc_write_reg32(&global_regs->gusbcfg, gusbcfg.d32); -+ -+ /* Clear interrupt */ -+ gintsts.d32 = 0; -+ gintsts.b.enumdone = 1; -+ dwc_write_reg32(&GET_CORE_IF(pcd)->core_global_regs->gintsts, -+ gintsts.d32); -+ return 1; -+} -+ -+/** -+ * This interrupt indicates that the ISO OUT Packet was dropped due to -+ * Rx FIFO full or Rx Status Queue Full. If this interrupt occurs -+ * read all the data from the Rx FIFO. -+ */ -+int32_t dwc_otg_pcd_handle_isoc_out_packet_dropped_intr(dwc_otg_pcd_t *pcd) -+{ -+ gintmsk_data_t intr_mask = { .d32 = 0}; -+ gintsts_data_t gintsts; -+ -+ DWC_PRINT("INTERRUPT Handler not implemented for %s\n", -+ "ISOC Out Dropped"); -+ -+ intr_mask.b.isooutdrop = 1; -+ dwc_modify_reg32(&GET_CORE_IF(pcd)->core_global_regs->gintmsk, -+ intr_mask.d32, 0); -+ -+ /* Clear interrupt */ -+ -+ gintsts.d32 = 0; -+ gintsts.b.isooutdrop = 1; -+ dwc_write_reg32(&GET_CORE_IF(pcd)->core_global_regs->gintsts, -+ gintsts.d32); -+ -+ return 1; -+} -+ -+/** -+ * This interrupt indicates the end of the portion of the micro-frame -+ * for periodic transactions. If there is a periodic transaction for -+ * the next frame, load the packets into the EP periodic Tx FIFO. -+ */ -+int32_t dwc_otg_pcd_handle_end_periodic_frame_intr(dwc_otg_pcd_t *pcd) -+{ -+ gintmsk_data_t intr_mask = { .d32 = 0}; -+ gintsts_data_t gintsts; -+ DWC_PRINT("INTERRUPT Handler not implemented for %s\n", "EOP"); -+ -+ intr_mask.b.eopframe = 1; -+ dwc_modify_reg32(&GET_CORE_IF(pcd)->core_global_regs->gintmsk, -+ intr_mask.d32, 0); -+ -+ /* Clear interrupt */ -+ gintsts.d32 = 0; -+ gintsts.b.eopframe = 1; -+ dwc_write_reg32(&GET_CORE_IF(pcd)->core_global_regs->gintsts, gintsts.d32); -+ -+ return 1; -+} -+ -+/** -+ * This interrupt indicates that EP of the packet on the top of the -+ * non-periodic Tx FIFO does not match EP of the IN Token received. -+ * -+ * The "Device IN Token Queue" Registers are read to determine the -+ * order the IN Tokens have been received. The non-periodic Tx FIFO -+ * is flushed, so it can be reloaded in the order seen in the IN Token -+ * Queue. -+ */ -+int32_t dwc_otg_pcd_handle_ep_mismatch_intr(dwc_otg_core_if_t *core_if) -+{ -+ gintsts_data_t gintsts; -+ DWC_DEBUGPL(DBG_PCDV, "%s(%p)\n", __func__, core_if); -+ -+ /* Clear interrupt */ -+ gintsts.d32 = 0; -+ gintsts.b.epmismatch = 1; -+ dwc_write_reg32 (&core_if->core_global_regs->gintsts, gintsts.d32); -+ -+ return 1; -+} -+ -+/** -+ * This funcion stalls EP0. -+ */ -+static inline void ep0_do_stall(dwc_otg_pcd_t *pcd, const int err_val) -+{ -+ dwc_otg_pcd_ep_t *ep0 = &pcd->ep0; -+ struct usb_ctrlrequest *ctrl = &pcd->setup_pkt->req; -+ DWC_WARN("req %02x.%02x protocol STALL; err %d\n", -+ ctrl->bRequestType, ctrl->bRequest, err_val); -+ -+ ep0->dwc_ep.is_in = 1; -+ dwc_otg_ep_set_stall(pcd->otg_dev->core_if, &ep0->dwc_ep); -+ pcd->ep0.stopped = 1; -+ pcd->ep0state = EP0_IDLE; -+ ep0_out_start(GET_CORE_IF(pcd), pcd); -+} -+ -+/** -+ * This functions delegates the setup command to the gadget driver. -+ */ -+static inline void do_gadget_setup(dwc_otg_pcd_t *pcd, -+ struct usb_ctrlrequest * ctrl) -+{ -+ int ret = 0; -+ if (pcd->driver && pcd->driver->setup) { -+ SPIN_UNLOCK(&pcd->lock); -+ ret = pcd->driver->setup(&pcd->gadget, ctrl); -+ SPIN_LOCK(&pcd->lock); -+ if (ret < 0) { -+ ep0_do_stall(pcd, ret); -+ } -+ -+ /** @todo This is a g_file_storage gadget driver specific -+ * workaround: a DELAYED_STATUS result from the fsg_setup -+ * routine will result in the gadget queueing a EP0 IN status -+ * phase for a two-stage control transfer. Exactly the same as -+ * a SET_CONFIGURATION/SET_INTERFACE except that this is a class -+ * specific request. Need a generic way to know when the gadget -+ * driver will queue the status phase. Can we assume when we -+ * call the gadget driver setup() function that it will always -+ * queue and require the following flag? Need to look into -+ * this. -+ */ -+ -+ if (ret == 256 + 999) { -+ pcd->request_config = 1; -+ } -+ } -+} -+ -+/** -+ * This function starts the Zero-Length Packet for the IN status phase -+ * of a 2 stage control transfer. -+ */ -+static inline void do_setup_in_status_phase(dwc_otg_pcd_t *pcd) -+{ -+ dwc_otg_pcd_ep_t *ep0 = &pcd->ep0; -+ if (pcd->ep0state == EP0_STALL) { -+ return; -+ } -+ -+ pcd->ep0state = EP0_IN_STATUS_PHASE; -+ -+ /* Prepare for more SETUP Packets */ -+ DWC_DEBUGPL(DBG_PCD, "EP0 IN ZLP\n"); -+ ep0->dwc_ep.xfer_len = 0; -+ ep0->dwc_ep.xfer_count = 0; -+ ep0->dwc_ep.is_in = 1; -+ ep0->dwc_ep.dma_addr = pcd->setup_pkt_dma_handle; -+ dwc_otg_ep0_start_transfer(GET_CORE_IF(pcd), &ep0->dwc_ep); -+ -+ /* Prepare for more SETUP Packets */ -+// if(GET_CORE_IF(pcd)->dma_enable == 0) ep0_out_start(GET_CORE_IF(pcd), pcd); -+} -+ -+/** -+ * This function starts the Zero-Length Packet for the OUT status phase -+ * of a 2 stage control transfer. -+ */ -+static inline void do_setup_out_status_phase(dwc_otg_pcd_t *pcd) -+{ -+ dwc_otg_pcd_ep_t *ep0 = &pcd->ep0; -+ if (pcd->ep0state == EP0_STALL) { -+ DWC_DEBUGPL(DBG_PCD, "EP0 STALLED\n"); -+ return; -+ } -+ pcd->ep0state = EP0_OUT_STATUS_PHASE; -+ -+ DWC_DEBUGPL(DBG_PCD, "EP0 OUT ZLP\n"); -+ ep0->dwc_ep.xfer_len = 0; -+ ep0->dwc_ep.xfer_count = 0; -+ ep0->dwc_ep.is_in = 0; -+ ep0->dwc_ep.dma_addr = pcd->setup_pkt_dma_handle; -+ dwc_otg_ep0_start_transfer(GET_CORE_IF(pcd), &ep0->dwc_ep); -+ -+ /* Prepare for more SETUP Packets */ -+ if(GET_CORE_IF(pcd)->dma_enable == 0) { -+ ep0_out_start(GET_CORE_IF(pcd), pcd); -+ } -+} -+ -+/** -+ * Clear the EP halt (STALL) and if pending requests start the -+ * transfer. -+ */ -+static inline void pcd_clear_halt(dwc_otg_pcd_t *pcd, dwc_otg_pcd_ep_t *ep) -+{ -+ if(ep->dwc_ep.stall_clear_flag == 0) -+ dwc_otg_ep_clear_stall(GET_CORE_IF(pcd), &ep->dwc_ep); -+ -+ /* Reactive the EP */ -+ dwc_otg_ep_activate(GET_CORE_IF(pcd), &ep->dwc_ep); -+ if (ep->stopped) { -+ ep->stopped = 0; -+ /* If there is a request in the EP queue start it */ -+ -+ /** @todo FIXME: this causes an EP mismatch in DMA mode. -+ * epmismatch not yet implemented. */ -+ -+ /* -+ * Above fixme is solved by implmenting a tasklet to call the -+ * start_next_request(), outside of interrupt context at some -+ * time after the current time, after a clear-halt setup packet. -+ * Still need to implement ep mismatch in the future if a gadget -+ * ever uses more than one endpoint at once -+ */ -+ ep->queue_sof = 1; -+ tasklet_schedule (pcd->start_xfer_tasklet); -+ } -+ /* Start Control Status Phase */ -+ do_setup_in_status_phase(pcd); -+} -+ -+/** -+ * This function is called when the SET_FEATURE TEST_MODE Setup packet -+ * is sent from the host. The Device Control register is written with -+ * the Test Mode bits set to the specified Test Mode. This is done as -+ * a tasklet so that the "Status" phase of the control transfer -+ * completes before transmitting the TEST packets. -+ * -+ * @todo This has not been tested since the tasklet struct was put -+ * into the PCD struct! -+ * -+ */ -+static void do_test_mode(unsigned long data) -+{ -+ dctl_data_t dctl; -+ dwc_otg_pcd_t *pcd = (dwc_otg_pcd_t *)data; -+ dwc_otg_core_if_t *core_if = GET_CORE_IF(pcd); -+ int test_mode = pcd->test_mode; -+ -+ -+// DWC_WARN("%s() has not been tested since being rewritten!\n", __func__); -+ -+ dctl.d32 = dwc_read_reg32(&core_if->dev_if->dev_global_regs->dctl); -+ switch (test_mode) { -+ case 1: // TEST_J -+ dctl.b.tstctl = 1; -+ break; -+ -+ case 2: // TEST_K -+ dctl.b.tstctl = 2; -+ break; -+ -+ case 3: // TEST_SE0_NAK -+ dctl.b.tstctl = 3; -+ break; -+ -+ case 4: // TEST_PACKET -+ dctl.b.tstctl = 4; -+ break; -+ -+ case 5: // TEST_FORCE_ENABLE -+ dctl.b.tstctl = 5; -+ break; -+ } -+ dwc_write_reg32(&core_if->dev_if->dev_global_regs->dctl, dctl.d32); -+} -+ -+/** -+ * This function process the GET_STATUS Setup Commands. -+ */ -+static inline void do_get_status(dwc_otg_pcd_t *pcd) -+{ -+ struct usb_ctrlrequest ctrl = pcd->setup_pkt->req; -+ dwc_otg_pcd_ep_t *ep; -+ dwc_otg_pcd_ep_t *ep0 = &pcd->ep0; -+ uint16_t *status = pcd->status_buf; -+ -+#ifdef DEBUG_EP0 -+ DWC_DEBUGPL(DBG_PCD, -+ "GET_STATUS %02x.%02x v%04x i%04x l%04x\n", -+ ctrl.bRequestType, ctrl.bRequest, -+ ctrl.wValue, ctrl.wIndex, ctrl.wLength); -+#endif -+ -+ switch (ctrl.bRequestType & USB_RECIP_MASK) { -+ case USB_RECIP_DEVICE: -+ *status = 0x1; /* Self powered */ -+ *status |= pcd->remote_wakeup_enable << 1; -+ break; -+ -+ case USB_RECIP_INTERFACE: -+ *status = 0; -+ break; -+ -+ case USB_RECIP_ENDPOINT: -+ ep = get_ep_by_addr(pcd, ctrl.wIndex); -+ if (ep == 0 || ctrl.wLength > 2) { -+ ep0_do_stall(pcd, -EOPNOTSUPP); -+ return; -+ } -+ /** @todo check for EP stall */ -+ *status = ep->stopped; -+ break; -+ } -+ pcd->ep0_pending = 1; -+ ep0->dwc_ep.start_xfer_buff = (uint8_t *)status; -+ ep0->dwc_ep.xfer_buff = (uint8_t *)status; -+ ep0->dwc_ep.dma_addr = pcd->status_buf_dma_handle; -+ ep0->dwc_ep.xfer_len = 2; -+ ep0->dwc_ep.xfer_count = 0; -+ ep0->dwc_ep.total_len = ep0->dwc_ep.xfer_len; -+ dwc_otg_ep0_start_transfer(GET_CORE_IF(pcd), &ep0->dwc_ep); -+} -+/** -+ * This function process the SET_FEATURE Setup Commands. -+ */ -+static inline void do_set_feature(dwc_otg_pcd_t *pcd) -+{ -+ dwc_otg_core_if_t *core_if = GET_CORE_IF(pcd); -+ dwc_otg_core_global_regs_t *global_regs = -+ core_if->core_global_regs; -+ struct usb_ctrlrequest ctrl = pcd->setup_pkt->req; -+ dwc_otg_pcd_ep_t *ep = 0; -+ int32_t otg_cap_param = core_if->core_params->otg_cap; -+ gotgctl_data_t gotgctl = { .d32 = 0 }; -+ -+ DWC_DEBUGPL(DBG_PCD, "SET_FEATURE:%02x.%02x v%04x i%04x l%04x\n", -+ ctrl.bRequestType, ctrl.bRequest, -+ ctrl.wValue, ctrl.wIndex, ctrl.wLength); -+ DWC_DEBUGPL(DBG_PCD,"otg_cap=%d\n", otg_cap_param); -+ -+ -+ switch (ctrl.bRequestType & USB_RECIP_MASK) { -+ case USB_RECIP_DEVICE: -+ switch (ctrl.wValue) { -+ case USB_DEVICE_REMOTE_WAKEUP: -+ pcd->remote_wakeup_enable = 1; -+ break; -+ -+ case USB_DEVICE_TEST_MODE: -+ /* Setup the Test Mode tasklet to do the Test -+ * Packet generation after the SETUP Status -+ * phase has completed. */ -+ -+ /** @todo This has not been tested since the -+ * tasklet struct was put into the PCD -+ * struct! */ -+ pcd->test_mode_tasklet.next = 0; -+ pcd->test_mode_tasklet.state = 0; -+ atomic_set(&pcd->test_mode_tasklet.count, 0); -+ pcd->test_mode_tasklet.func = do_test_mode; -+ pcd->test_mode_tasklet.data = (unsigned long)pcd; -+ pcd->test_mode = ctrl.wIndex >> 8; -+ tasklet_schedule(&pcd->test_mode_tasklet); -+ break; -+ -+ case USB_DEVICE_B_HNP_ENABLE: -+ DWC_DEBUGPL(DBG_PCDV, "SET_FEATURE: USB_DEVICE_B_HNP_ENABLE\n"); -+ -+ /* dev may initiate HNP */ -+ if (otg_cap_param == DWC_OTG_CAP_PARAM_HNP_SRP_CAPABLE) { -+ pcd->b_hnp_enable = 1; -+ dwc_otg_pcd_update_otg(pcd, 0); -+ DWC_DEBUGPL(DBG_PCD, "Request B HNP\n"); -+ /**@todo Is the gotgctl.devhnpen cleared -+ * by a USB Reset? */ -+ gotgctl.b.devhnpen = 1; -+ gotgctl.b.hnpreq = 1; -+ dwc_write_reg32(&global_regs->gotgctl, gotgctl.d32); -+ } -+ else { -+ ep0_do_stall(pcd, -EOPNOTSUPP); -+ } -+ break; -+ -+ case USB_DEVICE_A_HNP_SUPPORT: -+ /* RH port supports HNP */ -+ DWC_DEBUGPL(DBG_PCDV, "SET_FEATURE: USB_DEVICE_A_HNP_SUPPORT\n"); -+ if (otg_cap_param == DWC_OTG_CAP_PARAM_HNP_SRP_CAPABLE) { -+ pcd->a_hnp_support = 1; -+ dwc_otg_pcd_update_otg(pcd, 0); -+ } -+ else { -+ ep0_do_stall(pcd, -EOPNOTSUPP); -+ } -+ break; -+ -+ case USB_DEVICE_A_ALT_HNP_SUPPORT: -+ /* other RH port does */ -+ DWC_DEBUGPL(DBG_PCDV, "SET_FEATURE: USB_DEVICE_A_ALT_HNP_SUPPORT\n"); -+ if (otg_cap_param == DWC_OTG_CAP_PARAM_HNP_SRP_CAPABLE) { -+ pcd->a_alt_hnp_support = 1; -+ dwc_otg_pcd_update_otg(pcd, 0); -+ } -+ else { -+ ep0_do_stall(pcd, -EOPNOTSUPP); -+ } -+ break; -+ } -+ do_setup_in_status_phase(pcd); -+ break; -+ -+ case USB_RECIP_INTERFACE: -+ do_gadget_setup(pcd, &ctrl); -+ break; -+ -+ case USB_RECIP_ENDPOINT: -+ if (ctrl.wValue == USB_ENDPOINT_HALT) { -+ ep = get_ep_by_addr(pcd, ctrl.wIndex); -+ if (ep == 0) { -+ ep0_do_stall(pcd, -EOPNOTSUPP); -+ return; -+ } -+ ep->stopped = 1; -+ dwc_otg_ep_set_stall(core_if, &ep->dwc_ep); -+ } -+ do_setup_in_status_phase(pcd); -+ break; -+ } -+} -+ -+/** -+ * This function process the CLEAR_FEATURE Setup Commands. -+ */ -+static inline void do_clear_feature(dwc_otg_pcd_t *pcd) -+{ -+ struct usb_ctrlrequest ctrl = pcd->setup_pkt->req; -+ dwc_otg_pcd_ep_t *ep = 0; -+ -+ DWC_DEBUGPL(DBG_PCD, -+ "CLEAR_FEATURE:%02x.%02x v%04x i%04x l%04x\n", -+ ctrl.bRequestType, ctrl.bRequest, -+ ctrl.wValue, ctrl.wIndex, ctrl.wLength); -+ -+ switch (ctrl.bRequestType & USB_RECIP_MASK) { -+ case USB_RECIP_DEVICE: -+ switch (ctrl.wValue) { -+ case USB_DEVICE_REMOTE_WAKEUP: -+ pcd->remote_wakeup_enable = 0; -+ break; -+ -+ case USB_DEVICE_TEST_MODE: -+ /** @todo Add CLEAR_FEATURE for TEST modes. */ -+ break; -+ } -+ do_setup_in_status_phase(pcd); -+ break; -+ -+ case USB_RECIP_ENDPOINT: -+ ep = get_ep_by_addr(pcd, ctrl.wIndex); -+ if (ep == 0) { -+ ep0_do_stall(pcd, -EOPNOTSUPP); -+ return; -+ } -+ -+ pcd_clear_halt(pcd, ep); -+ -+ break; -+ } -+} -+ -+/** -+ * This function process the SET_ADDRESS Setup Commands. -+ */ -+static inline void do_set_address(dwc_otg_pcd_t *pcd) -+{ -+ dwc_otg_dev_if_t *dev_if = GET_CORE_IF(pcd)->dev_if; -+ struct usb_ctrlrequest ctrl = pcd->setup_pkt->req; -+ -+ if (ctrl.bRequestType == USB_RECIP_DEVICE) { -+ dcfg_data_t dcfg = {.d32=0}; -+ -+#ifdef DEBUG_EP0 -+// DWC_DEBUGPL(DBG_PCDV, "SET_ADDRESS:%d\n", ctrl.wValue); -+#endif -+ dcfg.b.devaddr = ctrl.wValue; -+ dwc_modify_reg32(&dev_if->dev_global_regs->dcfg, 0, dcfg.d32); -+ do_setup_in_status_phase(pcd); -+ } -+} -+ -+/** -+ * This function processes SETUP commands. In Linux, the USB Command -+ * processing is done in two places - the first being the PCD and the -+ * second in the Gadget Driver (for example, the File-Backed Storage -+ * Gadget Driver). -+ * -+ * <table> -+ * <tr><td>Command </td><td>Driver </td><td>Description</td></tr> -+ * -+ * <tr><td>GET_STATUS </td><td>PCD </td><td>Command is processed as -+ * defined in chapter 9 of the USB 2.0 Specification chapter 9 -+ * </td></tr> -+ * -+ * <tr><td>CLEAR_FEATURE </td><td>PCD </td><td>The Device and Endpoint -+ * requests are the ENDPOINT_HALT feature is procesed, all others the -+ * interface requests are ignored.</td></tr> -+ * -+ * <tr><td>SET_FEATURE </td><td>PCD </td><td>The Device and Endpoint -+ * requests are processed by the PCD. Interface requests are passed -+ * to the Gadget Driver.</td></tr> -+ * -+ * <tr><td>SET_ADDRESS </td><td>PCD </td><td>Program the DCFG reg, -+ * with device address received </td></tr> -+ * -+ * <tr><td>GET_DESCRIPTOR </td><td>Gadget Driver </td><td>Return the -+ * requested descriptor</td></tr> -+ * -+ * <tr><td>SET_DESCRIPTOR </td><td>Gadget Driver </td><td>Optional - -+ * not implemented by any of the existing Gadget Drivers.</td></tr> -+ * -+ * <tr><td>SET_CONFIGURATION </td><td>Gadget Driver </td><td>Disable -+ * all EPs and enable EPs for new configuration.</td></tr> -+ * -+ * <tr><td>GET_CONFIGURATION </td><td>Gadget Driver </td><td>Return -+ * the current configuration</td></tr> -+ * -+ * <tr><td>SET_INTERFACE </td><td>Gadget Driver </td><td>Disable all -+ * EPs and enable EPs for new configuration.</td></tr> -+ * -+ * <tr><td>GET_INTERFACE </td><td>Gadget Driver </td><td>Return the -+ * current interface.</td></tr> -+ * -+ * <tr><td>SYNC_FRAME </td><td>PCD </td><td>Display debug -+ * message.</td></tr> -+ * </table> -+ * -+ * When the SETUP Phase Done interrupt occurs, the PCD SETUP commands are -+ * processed by pcd_setup. Calling the Function Driver's setup function from -+ * pcd_setup processes the gadget SETUP commands. -+ */ -+static inline void pcd_setup(dwc_otg_pcd_t *pcd) -+{ -+ dwc_otg_core_if_t *core_if = GET_CORE_IF(pcd); -+ dwc_otg_dev_if_t *dev_if = core_if->dev_if; -+ struct usb_ctrlrequest ctrl = pcd->setup_pkt->req; -+ dwc_otg_pcd_ep_t *ep0 = &pcd->ep0; -+ -+ deptsiz0_data_t doeptsize0 = { .d32 = 0}; -+ -+#ifdef DEBUG_EP0 -+ DWC_DEBUGPL(DBG_PCD, "SETUP %02x.%02x v%04x i%04x l%04x\n", -+ ctrl.bRequestType, ctrl.bRequest, -+ ctrl.wValue, ctrl.wIndex, ctrl.wLength); -+#endif -+ -+ doeptsize0.d32 = dwc_read_reg32(&dev_if->out_ep_regs[0]->doeptsiz); -+ -+ /** @todo handle > 1 setup packet , assert error for now */ -+ -+ if (core_if->dma_enable && core_if->dma_desc_enable == 0 && (doeptsize0.b.supcnt < 2)) { -+ DWC_ERROR ("\n\n----------- CANNOT handle > 1 setup packet in DMA mode\n\n"); -+ } -+ -+ /* Clean up the request queue */ -+ dwc_otg_request_nuke(ep0); -+ ep0->stopped = 0; -+ -+ if (ctrl.bRequestType & USB_DIR_IN) { -+ ep0->dwc_ep.is_in = 1; -+ pcd->ep0state = EP0_IN_DATA_PHASE; -+ } -+ else { -+ ep0->dwc_ep.is_in = 0; -+ pcd->ep0state = EP0_OUT_DATA_PHASE; -+ } -+ -+ if(ctrl.wLength == 0) { -+ ep0->dwc_ep.is_in = 1; -+ pcd->ep0state = EP0_IN_STATUS_PHASE; -+ } -+ -+ if ((ctrl.bRequestType & USB_TYPE_MASK) != USB_TYPE_STANDARD) { -+ /* handle non-standard (class/vendor) requests in the gadget driver */ -+ do_gadget_setup(pcd, &ctrl); -+ return; -+ } -+ -+ /** @todo NGS: Handle bad setup packet? */ -+ -+/////////////////////////////////////////// -+//// --- Standard Request handling --- //// -+ -+ switch (ctrl.bRequest) { -+ case USB_REQ_GET_STATUS: -+ do_get_status(pcd); -+ break; -+ -+ case USB_REQ_CLEAR_FEATURE: -+ do_clear_feature(pcd); -+ break; -+ -+ case USB_REQ_SET_FEATURE: -+ do_set_feature(pcd); -+ break; -+ -+ case USB_REQ_SET_ADDRESS: -+ do_set_address(pcd); -+ break; -+ -+ case USB_REQ_SET_INTERFACE: -+ case USB_REQ_SET_CONFIGURATION: -+// _pcd->request_config = 1; /* Configuration changed */ -+ do_gadget_setup(pcd, &ctrl); -+ break; -+ -+ case USB_REQ_SYNCH_FRAME: -+ do_gadget_setup(pcd, &ctrl); -+ break; -+ -+ default: -+ /* Call the Gadget Driver's setup functions */ -+ do_gadget_setup(pcd, &ctrl); -+ break; -+ } -+} -+ -+/** -+ * This function completes the ep0 control transfer. -+ */ -+static int32_t ep0_complete_request(dwc_otg_pcd_ep_t *ep) -+{ -+ dwc_otg_core_if_t *core_if = GET_CORE_IF(ep->pcd); -+ dwc_otg_dev_if_t *dev_if = core_if->dev_if; -+ dwc_otg_dev_in_ep_regs_t *in_ep_regs = -+ dev_if->in_ep_regs[ep->dwc_ep.num]; -+#ifdef DEBUG_EP0 -+ dwc_otg_dev_out_ep_regs_t *out_ep_regs = -+ dev_if->out_ep_regs[ep->dwc_ep.num]; -+#endif -+ deptsiz0_data_t deptsiz; -+ desc_sts_data_t desc_sts; -+ dwc_otg_pcd_request_t *req; -+ int is_last = 0; -+ dwc_otg_pcd_t *pcd = ep->pcd; -+ -+ //DWC_DEBUGPL(DBG_PCDV, "%s() %s\n", __func__, _ep->ep.name); -+ -+ if (pcd->ep0_pending && list_empty(&ep->queue)) { -+ if (ep->dwc_ep.is_in) { -+#ifdef DEBUG_EP0 -+ DWC_DEBUGPL(DBG_PCDV, "Do setup OUT status phase\n"); -+#endif -+ do_setup_out_status_phase(pcd); -+ } -+ else { -+#ifdef DEBUG_EP0 -+ DWC_DEBUGPL(DBG_PCDV, "Do setup IN status phase\n"); -+#endif -+ do_setup_in_status_phase(pcd); -+ } -+ pcd->ep0_pending = 0; -+ return 1; -+ } -+ -+ if (list_empty(&ep->queue)) { -+ return 0; -+ } -+ req = list_entry(ep->queue.next, dwc_otg_pcd_request_t, queue); -+ -+ -+ if (pcd->ep0state == EP0_OUT_STATUS_PHASE || pcd->ep0state == EP0_IN_STATUS_PHASE) { -+ is_last = 1; -+ } -+ else if (ep->dwc_ep.is_in) { -+ deptsiz.d32 = dwc_read_reg32(&in_ep_regs->dieptsiz); -+ if(core_if->dma_desc_enable != 0) -+ desc_sts.d32 = readl(dev_if->in_desc_addr); -+#ifdef DEBUG_EP0 -+ DWC_DEBUGPL(DBG_PCDV, "%s len=%d xfersize=%d pktcnt=%d\n", -+ ep->ep.name, ep->dwc_ep.xfer_len, -+ deptsiz.b.xfersize, deptsiz.b.pktcnt); -+#endif -+ -+ if (((core_if->dma_desc_enable == 0) && (deptsiz.b.xfersize == 0)) || -+ ((core_if->dma_desc_enable != 0) && (desc_sts.b.bytes == 0))) { -+ req->req.actual = ep->dwc_ep.xfer_count; -+ /* Is a Zero Len Packet needed? */ -+ if (req->req.zero) { -+#ifdef DEBUG_EP0 -+ DWC_DEBUGPL(DBG_PCD, "Setup Rx ZLP\n"); -+#endif -+ req->req.zero = 0; -+ } -+ do_setup_out_status_phase(pcd); -+ } -+ } -+ else { -+ /* ep0-OUT */ -+#ifdef DEBUG_EP0 -+ deptsiz.d32 = dwc_read_reg32(&out_ep_regs->doeptsiz); -+ DWC_DEBUGPL(DBG_PCDV, "%s len=%d xsize=%d pktcnt=%d\n", -+ ep->ep.name, ep->dwc_ep.xfer_len, -+ deptsiz.b.xfersize, -+ deptsiz.b.pktcnt); -+#endif -+ req->req.actual = ep->dwc_ep.xfer_count; -+ /* Is a Zero Len Packet needed? */ -+ if (req->req.zero) { -+#ifdef DEBUG_EP0 -+ DWC_DEBUGPL(DBG_PCDV, "Setup Tx ZLP\n"); -+#endif -+ req->req.zero = 0; -+ } -+ if(core_if->dma_desc_enable == 0) -+ do_setup_in_status_phase(pcd); -+ } -+ -+ /* Complete the request */ -+ if (is_last) { -+ dwc_otg_request_done(ep, req, 0); -+ ep->dwc_ep.start_xfer_buff = 0; -+ ep->dwc_ep.xfer_buff = 0; -+ ep->dwc_ep.xfer_len = 0; -+ return 1; -+ } -+ return 0; -+} -+ -+/** -+ * This function completes the request for the EP. If there are -+ * additional requests for the EP in the queue they will be started. -+ */ -+static void complete_ep(dwc_otg_pcd_ep_t *ep) -+{ -+ dwc_otg_core_if_t *core_if = GET_CORE_IF(ep->pcd); -+ dwc_otg_dev_if_t *dev_if = core_if->dev_if; -+ dwc_otg_dev_in_ep_regs_t *in_ep_regs = -+ dev_if->in_ep_regs[ep->dwc_ep.num]; -+ deptsiz_data_t deptsiz; -+ desc_sts_data_t desc_sts; -+ dwc_otg_pcd_request_t *req = 0; -+ dwc_otg_dma_desc_t* dma_desc; -+ uint32_t byte_count = 0; -+ int is_last = 0; -+ int i; -+ -+ DWC_DEBUGPL(DBG_PCDV,"%s() %s-%s\n", __func__, ep->ep.name, -+ (ep->dwc_ep.is_in?"IN":"OUT")); -+ -+ /* Get any pending requests */ -+ if (!list_empty(&ep->queue)) { -+ req = list_entry(ep->queue.next, dwc_otg_pcd_request_t, -+ queue); -+ if (!req) { -+ printk("complete_ep 0x%p, req = NULL!\n", ep); -+ return; -+ } -+ } -+ else { -+ printk("complete_ep 0x%p, ep->queue empty!\n", ep); -+ return; -+ } -+ DWC_DEBUGPL(DBG_PCD, "Requests %d\n", ep->pcd->request_pending); -+ -+ if (ep->dwc_ep.is_in) { -+ deptsiz.d32 = dwc_read_reg32(&in_ep_regs->dieptsiz); -+ -+ if (core_if->dma_enable) { -+ if(core_if->dma_desc_enable == 0) { -+ if (deptsiz.b.xfersize == 0 && deptsiz.b.pktcnt == 0) { -+ byte_count = ep->dwc_ep.xfer_len - ep->dwc_ep.xfer_count; -+ -+ ep->dwc_ep.xfer_buff += byte_count; -+ ep->dwc_ep.dma_addr += byte_count; -+ ep->dwc_ep.xfer_count += byte_count; -+ -+ DWC_DEBUGPL(DBG_PCDV, "%s len=%d xfersize=%d pktcnt=%d\n", -+ ep->ep.name, ep->dwc_ep.xfer_len, -+ deptsiz.b.xfersize, deptsiz.b.pktcnt); -+ -+ -+ if(ep->dwc_ep.xfer_len < ep->dwc_ep.total_len) { -+ dwc_otg_ep_start_transfer(core_if, &ep->dwc_ep); -+ } else if(ep->dwc_ep.sent_zlp) { -+ /* -+ * This fragment of code should initiate 0 -+ * length trasfer in case if it is queued -+ * a trasfer with size divisible to EPs max -+ * packet size and with usb_request zero field -+ * is set, which means that after data is transfered, -+ * it is also should be transfered -+ * a 0 length packet at the end. For Slave and -+ * Buffer DMA modes in this case SW has -+ * to initiate 2 transfers one with transfer size, -+ * and the second with 0 size. For Desriptor -+ * DMA mode SW is able to initiate a transfer, -+ * which will handle all the packets including -+ * the last 0 legth. -+ */ -+ ep->dwc_ep.sent_zlp = 0; -+ dwc_otg_ep_start_zl_transfer(core_if, &ep->dwc_ep); -+ } else { -+ is_last = 1; -+ } -+ } else { -+ DWC_WARN("Incomplete transfer (%s-%s [siz=%d pkt=%d])\n", -+ ep->ep.name, (ep->dwc_ep.is_in?"IN":"OUT"), -+ deptsiz.b.xfersize, deptsiz.b.pktcnt); -+ } -+ } else { -+ dma_desc = ep->dwc_ep.desc_addr; -+ byte_count = 0; -+ ep->dwc_ep.sent_zlp = 0; -+ -+ for(i = 0; i < ep->dwc_ep.desc_cnt; ++i) { -+ desc_sts.d32 = readl(dma_desc); -+ byte_count += desc_sts.b.bytes; -+ dma_desc++; -+ } -+ -+ if(byte_count == 0) { -+ ep->dwc_ep.xfer_count = ep->dwc_ep.total_len; -+ is_last = 1; -+ } else { -+ DWC_WARN("Incomplete transfer\n"); -+ } -+ } -+ } else { -+ if (deptsiz.b.xfersize == 0 && deptsiz.b.pktcnt == 0) { -+ /* Check if the whole transfer was completed, -+ * if no, setup transfer for next portion of data -+ */ -+ DWC_DEBUGPL(DBG_PCDV, "%s len=%d xfersize=%d pktcnt=%d\n", -+ ep->ep.name, ep->dwc_ep.xfer_len, -+ deptsiz.b.xfersize, deptsiz.b.pktcnt); -+ if(ep->dwc_ep.xfer_len < ep->dwc_ep.total_len) { -+ dwc_otg_ep_start_transfer(core_if, &ep->dwc_ep); -+ } else if(ep->dwc_ep.sent_zlp) { -+ /* -+ * This fragment of code should initiate 0 -+ * length trasfer in case if it is queued -+ * a trasfer with size divisible to EPs max -+ * packet size and with usb_request zero field -+ * is set, which means that after data is transfered, -+ * it is also should be transfered -+ * a 0 length packet at the end. For Slave and -+ * Buffer DMA modes in this case SW has -+ * to initiate 2 transfers one with transfer size, -+ * and the second with 0 size. For Desriptor -+ * DMA mode SW is able to initiate a transfer, -+ * which will handle all the packets including -+ * the last 0 legth. -+ */ -+ ep->dwc_ep.sent_zlp = 0; -+ dwc_otg_ep_start_zl_transfer(core_if, &ep->dwc_ep); -+ } else { -+ is_last = 1; -+ } -+ } -+ else { -+ DWC_WARN("Incomplete transfer (%s-%s [siz=%d pkt=%d])\n", -+ ep->ep.name, (ep->dwc_ep.is_in?"IN":"OUT"), -+ deptsiz.b.xfersize, deptsiz.b.pktcnt); -+ } -+ } -+ } else { -+ dwc_otg_dev_out_ep_regs_t *out_ep_regs = -+ dev_if->out_ep_regs[ep->dwc_ep.num]; -+ desc_sts.d32 = 0; -+ if(core_if->dma_enable) { -+ if(core_if->dma_desc_enable) { -+ dma_desc = ep->dwc_ep.desc_addr; -+ byte_count = 0; -+ ep->dwc_ep.sent_zlp = 0; -+ for(i = 0; i < ep->dwc_ep.desc_cnt; ++i) { -+ desc_sts.d32 = readl(dma_desc); -+ byte_count += desc_sts.b.bytes; -+ dma_desc++; -+ } -+ -+ ep->dwc_ep.xfer_count = ep->dwc_ep.total_len -+ - byte_count + ((4 - (ep->dwc_ep.total_len & 0x3)) & 0x3); -+ is_last = 1; -+ } else { -+ deptsiz.d32 = 0; -+ deptsiz.d32 = dwc_read_reg32(&out_ep_regs->doeptsiz); -+ -+ byte_count = (ep->dwc_ep.xfer_len - -+ ep->dwc_ep.xfer_count - deptsiz.b.xfersize); -+ ep->dwc_ep.xfer_buff += byte_count; -+ ep->dwc_ep.dma_addr += byte_count; -+ ep->dwc_ep.xfer_count += byte_count; -+ -+ /* Check if the whole transfer was completed, -+ * if no, setup transfer for next portion of data -+ */ -+ if(ep->dwc_ep.xfer_len < ep->dwc_ep.total_len) { -+ dwc_otg_ep_start_transfer(core_if, &ep->dwc_ep); -+ } -+ else if(ep->dwc_ep.sent_zlp) { -+ /* -+ * This fragment of code should initiate 0 -+ * length trasfer in case if it is queued -+ * a trasfer with size divisible to EPs max -+ * packet size and with usb_request zero field -+ * is set, which means that after data is transfered, -+ * it is also should be transfered -+ * a 0 length packet at the end. For Slave and -+ * Buffer DMA modes in this case SW has -+ * to initiate 2 transfers one with transfer size, -+ * and the second with 0 size. For Desriptor -+ * DMA mode SW is able to initiate a transfer, -+ * which will handle all the packets including -+ * the last 0 legth. -+ */ -+ ep->dwc_ep.sent_zlp = 0; -+ dwc_otg_ep_start_zl_transfer(core_if, &ep->dwc_ep); -+ } else { -+ is_last = 1; -+ } -+ } -+ } else { -+ /* Check if the whole transfer was completed, -+ * if no, setup transfer for next portion of data -+ */ -+ if(ep->dwc_ep.xfer_len < ep->dwc_ep.total_len) { -+ dwc_otg_ep_start_transfer(core_if, &ep->dwc_ep); -+ } -+ else if(ep->dwc_ep.sent_zlp) { -+ /* -+ * This fragment of code should initiate 0 -+ * length trasfer in case if it is queued -+ * a trasfer with size divisible to EPs max -+ * packet size and with usb_request zero field -+ * is set, which means that after data is transfered, -+ * it is also should be transfered -+ * a 0 length packet at the end. For Slave and -+ * Buffer DMA modes in this case SW has -+ * to initiate 2 transfers one with transfer size, -+ * and the second with 0 size. For Desriptor -+ * DMA mode SW is able to initiate a transfer, -+ * which will handle all the packets including -+ * the last 0 legth. -+ */ -+ ep->dwc_ep.sent_zlp = 0; -+ dwc_otg_ep_start_zl_transfer(core_if, &ep->dwc_ep); -+ } else { -+ is_last = 1; -+ } -+ } -+ -+#ifdef DEBUG -+ -+ DWC_DEBUGPL(DBG_PCDV, "addr %p, %s len=%d cnt=%d xsize=%d pktcnt=%d\n", -+ &out_ep_regs->doeptsiz, ep->ep.name, ep->dwc_ep.xfer_len, -+ ep->dwc_ep.xfer_count, -+ deptsiz.b.xfersize, -+ deptsiz.b.pktcnt); -+#endif -+ } -+ -+ /* Complete the request */ -+ if (is_last) { -+ req->req.actual = ep->dwc_ep.xfer_count; -+ -+ dwc_otg_request_done(ep, req, 0); -+ -+ ep->dwc_ep.start_xfer_buff = 0; -+ ep->dwc_ep.xfer_buff = 0; -+ ep->dwc_ep.xfer_len = 0; -+ -+ /* If there is a request in the queue start it.*/ -+ start_next_request(ep); -+ } -+} -+ -+ -+#ifdef DWC_EN_ISOC -+ -+/** -+ * This function BNA interrupt for Isochronous EPs -+ * -+ */ -+static void dwc_otg_pcd_handle_iso_bna(dwc_otg_pcd_ep_t *ep) -+{ -+ dwc_ep_t *dwc_ep = &ep->dwc_ep; -+ volatile uint32_t *addr; -+ depctl_data_t depctl = {.d32 = 0}; -+ dwc_otg_pcd_t *pcd = ep->pcd; -+ dwc_otg_dma_desc_t *dma_desc; -+ int i; -+ -+ dma_desc = dwc_ep->iso_desc_addr + dwc_ep->desc_cnt * (dwc_ep->proc_buf_num); -+ -+ if(dwc_ep->is_in) { -+ desc_sts_data_t sts = {.d32 = 0}; -+ for(i = 0;i < dwc_ep->desc_cnt; ++i, ++dma_desc) -+ { -+ sts.d32 = readl(&dma_desc->status); -+ sts.b_iso_in.bs = BS_HOST_READY; -+ writel(sts.d32,&dma_desc->status); -+ } -+ } -+ else { -+ desc_sts_data_t sts = {.d32 = 0}; -+ for(i = 0;i < dwc_ep->desc_cnt; ++i, ++dma_desc) -+ { -+ sts.d32 = readl(&dma_desc->status); -+ sts.b_iso_out.bs = BS_HOST_READY; -+ writel(sts.d32,&dma_desc->status); -+ } -+ } -+ -+ if(dwc_ep->is_in == 0){ -+ addr = &GET_CORE_IF(pcd)->dev_if->out_ep_regs[dwc_ep->num]->doepctl; -+ } -+ else{ -+ addr = &GET_CORE_IF(pcd)->dev_if->in_ep_regs[dwc_ep->num]->diepctl; -+ } -+ depctl.b.epena = 1; -+ dwc_modify_reg32(addr,depctl.d32,depctl.d32); -+} -+ -+/** -+ * This function sets latest iso packet information(non-PTI mode) -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param ep The EP to start the transfer on. -+ * -+ */ -+void set_current_pkt_info(dwc_otg_core_if_t *core_if, dwc_ep_t *ep) -+{ -+ deptsiz_data_t deptsiz = { .d32 = 0 }; -+ dma_addr_t dma_addr; -+ uint32_t offset; -+ -+ if(ep->proc_buf_num) -+ dma_addr = ep->dma_addr1; -+ else -+ dma_addr = ep->dma_addr0; -+ -+ -+ if(ep->is_in) { -+ deptsiz.d32 = dwc_read_reg32(&core_if->dev_if->in_ep_regs[ep->num]->dieptsiz); -+ offset = ep->data_per_frame; -+ } else { -+ deptsiz.d32 = dwc_read_reg32(&core_if->dev_if->out_ep_regs[ep->num]->doeptsiz); -+ offset = ep->data_per_frame + (0x4 & (0x4 - (ep->data_per_frame & 0x3))); -+ } -+ -+ if(!deptsiz.b.xfersize) { -+ ep->pkt_info[ep->cur_pkt].length = ep->data_per_frame; -+ ep->pkt_info[ep->cur_pkt].offset = ep->cur_pkt_dma_addr - dma_addr; -+ ep->pkt_info[ep->cur_pkt].status = 0; -+ } else { -+ ep->pkt_info[ep->cur_pkt].length = ep->data_per_frame; -+ ep->pkt_info[ep->cur_pkt].offset = ep->cur_pkt_dma_addr - dma_addr; -+ ep->pkt_info[ep->cur_pkt].status = -ENODATA; -+ } -+ ep->cur_pkt_addr += offset; -+ ep->cur_pkt_dma_addr += offset; -+ ep->cur_pkt++; -+} -+ -+/** -+ * This function sets latest iso packet information(DDMA mode) -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param dwc_ep The EP to start the transfer on. -+ * -+ */ -+static void set_ddma_iso_pkts_info(dwc_otg_core_if_t *core_if, dwc_ep_t *dwc_ep) -+{ -+ dwc_otg_dma_desc_t* dma_desc; -+ desc_sts_data_t sts = {.d32 = 0}; -+ iso_pkt_info_t *iso_packet; -+ uint32_t data_per_desc; -+ uint32_t offset; -+ int i, j; -+ -+ iso_packet = dwc_ep->pkt_info; -+ -+ /** Reinit closed DMA Descriptors*/ -+ /** ISO OUT EP */ -+ if(dwc_ep->is_in == 0) { -+ dma_desc = dwc_ep->iso_desc_addr + dwc_ep->desc_cnt * dwc_ep->proc_buf_num; -+ offset = 0; -+ -+ for(i = 0; i < dwc_ep->desc_cnt - dwc_ep->pkt_per_frm; i+= dwc_ep->pkt_per_frm) -+ { -+ for(j = 0; j < dwc_ep->pkt_per_frm; ++j) -+ { -+ data_per_desc = ((j + 1) * dwc_ep->maxpacket > dwc_ep->data_per_frame) ? -+ dwc_ep->data_per_frame - j * dwc_ep->maxpacket : dwc_ep->maxpacket; -+ data_per_desc += (data_per_desc % 4) ? (4 - data_per_desc % 4):0; -+ -+ sts.d32 = readl(&dma_desc->status); -+ -+ /* Write status in iso_packet_decsriptor */ -+ iso_packet->status = sts.b_iso_out.rxsts + (sts.b_iso_out.bs^BS_DMA_DONE); -+ if(iso_packet->status) { -+ iso_packet->status = -ENODATA; -+ } -+ -+ /* Received data length */ -+ if(!sts.b_iso_out.rxbytes){ -+ iso_packet->length = data_per_desc - sts.b_iso_out.rxbytes; -+ } else { -+ iso_packet->length = data_per_desc - sts.b_iso_out.rxbytes + -+ (4 - dwc_ep->data_per_frame % 4); -+ } -+ -+ iso_packet->offset = offset; -+ -+ offset += data_per_desc; -+ dma_desc ++; -+ iso_packet ++; -+ } -+ } -+ -+ for(j = 0; j < dwc_ep->pkt_per_frm - 1; ++j) -+ { -+ data_per_desc = ((j + 1) * dwc_ep->maxpacket > dwc_ep->data_per_frame) ? -+ dwc_ep->data_per_frame - j * dwc_ep->maxpacket : dwc_ep->maxpacket; -+ data_per_desc += (data_per_desc % 4) ? (4 - data_per_desc % 4):0; -+ -+ sts.d32 = readl(&dma_desc->status); -+ -+ /* Write status in iso_packet_decsriptor */ -+ iso_packet->status = sts.b_iso_out.rxsts + (sts.b_iso_out.bs^BS_DMA_DONE); -+ if(iso_packet->status) { -+ iso_packet->status = -ENODATA; -+ } -+ -+ /* Received data length */ -+ iso_packet->length = dwc_ep->data_per_frame - sts.b_iso_out.rxbytes; -+ -+ iso_packet->offset = offset; -+ -+ offset += data_per_desc; -+ iso_packet++; -+ dma_desc++; -+ } -+ -+ sts.d32 = readl(&dma_desc->status); -+ -+ /* Write status in iso_packet_decsriptor */ -+ iso_packet->status = sts.b_iso_out.rxsts + (sts.b_iso_out.bs^BS_DMA_DONE); -+ if(iso_packet->status) { -+ iso_packet->status = -ENODATA; -+ } -+ /* Received data length */ -+ if(!sts.b_iso_out.rxbytes){ -+ iso_packet->length = dwc_ep->data_per_frame - sts.b_iso_out.rxbytes; -+ } else { -+ iso_packet->length = dwc_ep->data_per_frame - sts.b_iso_out.rxbytes + -+ (4 - dwc_ep->data_per_frame % 4); -+ } -+ -+ iso_packet->offset = offset; -+ } -+ else /** ISO IN EP */ -+ { -+ dma_desc = dwc_ep->iso_desc_addr + dwc_ep->desc_cnt * dwc_ep->proc_buf_num; -+ -+ for(i = 0; i < dwc_ep->desc_cnt - 1; i++) -+ { -+ sts.d32 = readl(&dma_desc->status); -+ -+ /* Write status in iso packet descriptor */ -+ iso_packet->status = sts.b_iso_in.txsts + (sts.b_iso_in.bs^BS_DMA_DONE); -+ if(iso_packet->status != 0) { -+ iso_packet->status = -ENODATA; -+ -+ } -+ /* Bytes has been transfered */ -+ iso_packet->length = dwc_ep->data_per_frame - sts.b_iso_in.txbytes; -+ -+ dma_desc ++; -+ iso_packet++; -+ } -+ -+ sts.d32 = readl(&dma_desc->status); -+ while(sts.b_iso_in.bs == BS_DMA_BUSY) { -+ sts.d32 = readl(&dma_desc->status); -+ } -+ -+ /* Write status in iso packet descriptor ??? do be done with ERROR codes*/ -+ iso_packet->status = sts.b_iso_in.txsts + (sts.b_iso_in.bs^BS_DMA_DONE); -+ if(iso_packet->status != 0) { -+ iso_packet->status = -ENODATA; -+ } -+ -+ /* Bytes has been transfered */ -+ iso_packet->length = dwc_ep->data_per_frame - sts.b_iso_in.txbytes; -+ } -+} -+ -+/** -+ * This function reinitialize DMA Descriptors for Isochronous transfer -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param dwc_ep The EP to start the transfer on. -+ * -+ */ -+static void reinit_ddma_iso_xfer(dwc_otg_core_if_t *core_if, dwc_ep_t *dwc_ep) -+{ -+ int i, j; -+ dwc_otg_dma_desc_t* dma_desc; -+ dma_addr_t dma_ad; -+ volatile uint32_t *addr; -+ desc_sts_data_t sts = { .d32 =0 }; -+ uint32_t data_per_desc; -+ -+ if(dwc_ep->is_in == 0) { -+ addr = &core_if->dev_if->out_ep_regs[dwc_ep->num]->doepctl; -+ } -+ else { -+ addr = &core_if->dev_if->in_ep_regs[dwc_ep->num]->diepctl; -+ } -+ -+ -+ if(dwc_ep->proc_buf_num == 0) { -+ /** Buffer 0 descriptors setup */ -+ dma_ad = dwc_ep->dma_addr0; -+ } -+ else { -+ /** Buffer 1 descriptors setup */ -+ dma_ad = dwc_ep->dma_addr1; -+ } -+ -+ -+ /** Reinit closed DMA Descriptors*/ -+ /** ISO OUT EP */ -+ if(dwc_ep->is_in == 0) { -+ dma_desc = dwc_ep->iso_desc_addr + dwc_ep->desc_cnt * dwc_ep->proc_buf_num; -+ -+ sts.b_iso_out.bs = BS_HOST_READY; -+ sts.b_iso_out.rxsts = 0; -+ sts.b_iso_out.l = 0; -+ sts.b_iso_out.sp = 0; -+ sts.b_iso_out.ioc = 0; -+ sts.b_iso_out.pid = 0; -+ sts.b_iso_out.framenum = 0; -+ -+ for(i = 0; i < dwc_ep->desc_cnt - dwc_ep->pkt_per_frm; i+= dwc_ep->pkt_per_frm) -+ { -+ for(j = 0; j < dwc_ep->pkt_per_frm; ++j) -+ { -+ data_per_desc = ((j + 1) * dwc_ep->maxpacket > dwc_ep->data_per_frame) ? -+ dwc_ep->data_per_frame - j * dwc_ep->maxpacket : dwc_ep->maxpacket; -+ data_per_desc += (data_per_desc % 4) ? (4 - data_per_desc % 4):0; -+ sts.b_iso_out.rxbytes = data_per_desc; -+ writel((uint32_t)dma_ad, &dma_desc->buf); -+ writel(sts.d32, &dma_desc->status); -+ -+ (uint32_t)dma_ad += data_per_desc; -+ dma_desc ++; -+ } -+ } -+ -+ for(j = 0; j < dwc_ep->pkt_per_frm - 1; ++j) -+ { -+ -+ data_per_desc = ((j + 1) * dwc_ep->maxpacket > dwc_ep->data_per_frame) ? -+ dwc_ep->data_per_frame - j * dwc_ep->maxpacket : dwc_ep->maxpacket; -+ data_per_desc += (data_per_desc % 4) ? (4 - data_per_desc % 4):0; -+ sts.b_iso_out.rxbytes = data_per_desc; -+ -+ writel((uint32_t)dma_ad, &dma_desc->buf); -+ writel(sts.d32, &dma_desc->status); -+ -+ dma_desc++; -+ (uint32_t)dma_ad += data_per_desc; -+ } -+ -+ sts.b_iso_out.ioc = 1; -+ sts.b_iso_out.l = dwc_ep->proc_buf_num; -+ -+ data_per_desc = ((j + 1) * dwc_ep->maxpacket > dwc_ep->data_per_frame) ? -+ dwc_ep->data_per_frame - j * dwc_ep->maxpacket : dwc_ep->maxpacket; -+ data_per_desc += (data_per_desc % 4) ? (4 - data_per_desc % 4):0; -+ sts.b_iso_out.rxbytes = data_per_desc; -+ -+ writel((uint32_t)dma_ad, &dma_desc->buf); -+ writel(sts.d32, &dma_desc->status); -+ } -+ else /** ISO IN EP */ -+ { -+ dma_desc = dwc_ep->iso_desc_addr + dwc_ep->desc_cnt * dwc_ep->proc_buf_num; -+ -+ sts.b_iso_in.bs = BS_HOST_READY; -+ sts.b_iso_in.txsts = 0; -+ sts.b_iso_in.sp = 0; -+ sts.b_iso_in.ioc = 0; -+ sts.b_iso_in.pid = dwc_ep->pkt_per_frm; -+ sts.b_iso_in.framenum = dwc_ep->next_frame; -+ sts.b_iso_in.txbytes = dwc_ep->data_per_frame; -+ sts.b_iso_in.l = 0; -+ -+ for(i = 0; i < dwc_ep->desc_cnt - 1; i++) -+ { -+ writel((uint32_t)dma_ad, &dma_desc->buf); -+ writel(sts.d32, &dma_desc->status); -+ -+ sts.b_iso_in.framenum += dwc_ep->bInterval; -+ (uint32_t)dma_ad += dwc_ep->data_per_frame; -+ dma_desc ++; -+ } -+ -+ sts.b_iso_in.ioc = 1; -+ sts.b_iso_in.l = dwc_ep->proc_buf_num; -+ -+ writel((uint32_t)dma_ad, &dma_desc->buf); -+ writel(sts.d32, &dma_desc->status); -+ -+ dwc_ep->next_frame = sts.b_iso_in.framenum + dwc_ep->bInterval * 1; -+ } -+ dwc_ep->proc_buf_num = (dwc_ep->proc_buf_num ^ 1) & 0x1; -+} -+ -+ -+/** -+ * This function is to handle Iso EP transfer complete interrupt -+ * in case Iso out packet was dropped -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param dwc_ep The EP for wihich transfer complete was asserted -+ * -+ */ -+static uint32_t handle_iso_out_pkt_dropped(dwc_otg_core_if_t *core_if, dwc_ep_t *dwc_ep) -+{ -+ uint32_t dma_addr; -+ uint32_t drp_pkt; -+ uint32_t drp_pkt_cnt; -+ deptsiz_data_t deptsiz = { .d32 = 0 }; -+ depctl_data_t depctl = { .d32 = 0 }; -+ int i; -+ -+ deptsiz.d32 = dwc_read_reg32(&core_if->dev_if->out_ep_regs[dwc_ep->num]->doeptsiz); -+ -+ drp_pkt = dwc_ep->pkt_cnt - deptsiz.b.pktcnt; -+ drp_pkt_cnt = dwc_ep->pkt_per_frm - (drp_pkt % dwc_ep->pkt_per_frm); -+ -+ /* Setting dropped packets status */ -+ for(i = 0; i < drp_pkt_cnt; ++i) { -+ dwc_ep->pkt_info[drp_pkt].status = -ENODATA; -+ drp_pkt ++; -+ deptsiz.b.pktcnt--; -+ } -+ -+ -+ if(deptsiz.b.pktcnt > 0) { -+ deptsiz.b.xfersize = dwc_ep->xfer_len - (dwc_ep->pkt_cnt - deptsiz.b.pktcnt) * dwc_ep->maxpacket; -+ } else { -+ deptsiz.b.xfersize = 0; -+ deptsiz.b.pktcnt = 0; -+ } -+ -+ dwc_write_reg32(&core_if->dev_if->out_ep_regs[dwc_ep->num]->doeptsiz, deptsiz.d32); -+ -+ if(deptsiz.b.pktcnt > 0) { -+ if(dwc_ep->proc_buf_num) { -+ dma_addr = dwc_ep->dma_addr1 + dwc_ep->xfer_len - deptsiz.b.xfersize; -+ } else { -+ dma_addr = dwc_ep->dma_addr0 + dwc_ep->xfer_len - deptsiz.b.xfersize;; -+ } -+ -+ dwc_write_reg32(&core_if->dev_if->out_ep_regs[dwc_ep->num]->doepdma, dma_addr); -+ -+ /** Re-enable endpoint, clear nak */ -+ depctl.d32 = 0; -+ depctl.b.epena = 1; -+ depctl.b.cnak = 1; -+ -+ dwc_modify_reg32(&core_if->dev_if->out_ep_regs[dwc_ep->num]->doepctl, -+ depctl.d32,depctl.d32); -+ return 0; -+ } else { -+ return 1; -+ } -+} -+ -+/** -+ * This function sets iso packets information(PTI mode) -+ * -+ * @param core_if Programming view of DWC_otg controller. -+ * @param ep The EP to start the transfer on. -+ * -+ */ -+static uint32_t set_iso_pkts_info(dwc_otg_core_if_t *core_if, dwc_ep_t *ep) -+{ -+ int i, j; -+ dma_addr_t dma_ad; -+ iso_pkt_info_t *packet_info = ep->pkt_info; -+ uint32_t offset; -+ uint32_t frame_data; -+ deptsiz_data_t deptsiz; -+ -+ if(ep->proc_buf_num == 0) { -+ /** Buffer 0 descriptors setup */ -+ dma_ad = ep->dma_addr0; -+ } -+ else { -+ /** Buffer 1 descriptors setup */ -+ dma_ad = ep->dma_addr1; -+ } -+ -+ -+ if(ep->is_in) { -+ deptsiz.d32 = dwc_read_reg32(&core_if->dev_if->in_ep_regs[ep->num]->dieptsiz); -+ } else { -+ deptsiz.d32 = dwc_read_reg32(&core_if->dev_if->out_ep_regs[ep->num]->doeptsiz); -+ } -+ -+ if(!deptsiz.b.xfersize) { -+ offset = 0; -+ for(i = 0; i < ep->pkt_cnt; i += ep->pkt_per_frm) -+ { -+ frame_data = ep->data_per_frame; -+ for(j = 0; j < ep->pkt_per_frm; ++j) { -+ -+ /* Packet status - is not set as initially -+ * it is set to 0 and if packet was sent -+ successfully, status field will remain 0*/ -+ -+ -+ /* Bytes has been transfered */ -+ packet_info->length = (ep->maxpacket < frame_data) ? -+ ep->maxpacket : frame_data; -+ -+ /* Received packet offset */ -+ packet_info->offset = offset; -+ offset += packet_info->length; -+ frame_data -= packet_info->length; -+ -+ packet_info ++; -+ } -+ } -+ return 1; -+ } else { -+ /* This is a workaround for in case of Transfer Complete with -+ * PktDrpSts interrupts merging - in this case Transfer complete -+ * interrupt for Isoc Out Endpoint is asserted without PktDrpSts -+ * set and with DOEPTSIZ register non zero. Investigations showed, -+ * that this happens when Out packet is dropped, but because of -+ * interrupts merging during first interrupt handling PktDrpSts -+ * bit is cleared and for next merged interrupts it is not reset. -+ * In this case SW hadles the interrupt as if PktDrpSts bit is set. -+ */ -+ if(ep->is_in) { -+ return 1; -+ } else { -+ return handle_iso_out_pkt_dropped(core_if, ep); -+ } -+ } -+} -+ -+/** -+ * This function is to handle Iso EP transfer complete interrupt -+ * -+ * @param ep The EP for which transfer complete was asserted -+ * -+ */ -+static void complete_iso_ep(dwc_otg_pcd_ep_t *ep) -+{ -+ dwc_otg_core_if_t *core_if = GET_CORE_IF(ep->pcd); -+ dwc_ep_t *dwc_ep = &ep->dwc_ep; -+ uint8_t is_last = 0; -+ -+ if(core_if->dma_enable) { -+ if(core_if->dma_desc_enable) { -+ set_ddma_iso_pkts_info(core_if, dwc_ep); -+ reinit_ddma_iso_xfer(core_if, dwc_ep); -+ is_last = 1; -+ } else { -+ if(core_if->pti_enh_enable) { -+ if(set_iso_pkts_info(core_if, dwc_ep)) { -+ dwc_ep->proc_buf_num = (dwc_ep->proc_buf_num ^ 1) & 0x1; -+ dwc_otg_iso_ep_start_buf_transfer(core_if, dwc_ep); -+ is_last = 1; -+ } -+ } else { -+ set_current_pkt_info(core_if, dwc_ep); -+ if(dwc_ep->cur_pkt >= dwc_ep->pkt_cnt) { -+ is_last = 1; -+ dwc_ep->cur_pkt = 0; -+ dwc_ep->proc_buf_num = (dwc_ep->proc_buf_num ^ 1) & 0x1; -+ if(dwc_ep->proc_buf_num) { -+ dwc_ep->cur_pkt_addr = dwc_ep->xfer_buff1; -+ dwc_ep->cur_pkt_dma_addr = dwc_ep->dma_addr1; -+ } else { -+ dwc_ep->cur_pkt_addr = dwc_ep->xfer_buff0; -+ dwc_ep->cur_pkt_dma_addr = dwc_ep->dma_addr0; -+ } -+ -+ } -+ dwc_otg_iso_ep_start_frm_transfer(core_if, dwc_ep); -+ } -+ } -+ } else { -+ set_current_pkt_info(core_if, dwc_ep); -+ if(dwc_ep->cur_pkt >= dwc_ep->pkt_cnt) { -+ is_last = 1; -+ dwc_ep->cur_pkt = 0; -+ dwc_ep->proc_buf_num = (dwc_ep->proc_buf_num ^ 1) & 0x1; -+ if(dwc_ep->proc_buf_num) { -+ dwc_ep->cur_pkt_addr = dwc_ep->xfer_buff1; -+ dwc_ep->cur_pkt_dma_addr = dwc_ep->dma_addr1; -+ } else { -+ dwc_ep->cur_pkt_addr = dwc_ep->xfer_buff0; -+ dwc_ep->cur_pkt_dma_addr = dwc_ep->dma_addr0; -+ } -+ -+ } -+ dwc_otg_iso_ep_start_frm_transfer(core_if, dwc_ep); -+ } -+ if(is_last) -+ dwc_otg_iso_buffer_done(ep, ep->iso_req); -+} -+ -+#endif //DWC_EN_ISOC -+ -+ -+/** -+ * This function handles EP0 Control transfers. -+ * -+ * The state of the control tranfers are tracked in -+ * <code>ep0state</code>. -+ */ -+static void handle_ep0(dwc_otg_pcd_t *pcd) -+{ -+ dwc_otg_core_if_t *core_if = GET_CORE_IF(pcd); -+ dwc_otg_pcd_ep_t *ep0 = &pcd->ep0; -+ desc_sts_data_t desc_sts; -+ deptsiz0_data_t deptsiz; -+ uint32_t byte_count; -+ -+#ifdef DEBUG_EP0 -+ DWC_DEBUGPL(DBG_PCDV, "%s()\n", __func__); -+ print_ep0_state(pcd); -+#endif -+ -+ switch (pcd->ep0state) { -+ case EP0_DISCONNECT: -+ break; -+ -+ case EP0_IDLE: -+ pcd->request_config = 0; -+ -+ pcd_setup(pcd); -+ break; -+ -+ case EP0_IN_DATA_PHASE: -+#ifdef DEBUG_EP0 -+ DWC_DEBUGPL(DBG_PCD, "DATA_IN EP%d-%s: type=%d, mps=%d\n", -+ ep0->dwc_ep.num, (ep0->dwc_ep.is_in ?"IN":"OUT"), -+ ep0->dwc_ep.type, ep0->dwc_ep.maxpacket); -+#endif -+ -+ if (core_if->dma_enable != 0) { -+ /* -+ * For EP0 we can only program 1 packet at a time so we -+ * need to do the make calculations after each complete. -+ * Call write_packet to make the calculations, as in -+ * slave mode, and use those values to determine if we -+ * can complete. -+ */ -+ if(core_if->dma_desc_enable == 0) { -+ deptsiz.d32 = dwc_read_reg32(&core_if->dev_if->in_ep_regs[0]->dieptsiz); -+ byte_count = ep0->dwc_ep.xfer_len - deptsiz.b.xfersize; -+ } -+ else { -+ desc_sts.d32 = readl(core_if->dev_if->in_desc_addr); -+ byte_count = ep0->dwc_ep.xfer_len - desc_sts.b.bytes; -+ } -+ ep0->dwc_ep.xfer_count += byte_count; -+ ep0->dwc_ep.xfer_buff += byte_count; -+ ep0->dwc_ep.dma_addr += byte_count; -+ } -+ if (ep0->dwc_ep.xfer_count < ep0->dwc_ep.total_len) { -+ dwc_otg_ep0_continue_transfer (GET_CORE_IF(pcd), &ep0->dwc_ep); -+ DWC_DEBUGPL(DBG_PCD, "CONTINUE TRANSFER\n"); -+ } -+ else if(ep0->dwc_ep.sent_zlp) { -+ dwc_otg_ep0_continue_transfer (GET_CORE_IF(pcd), &ep0->dwc_ep); -+ ep0->dwc_ep.sent_zlp = 0; -+ DWC_DEBUGPL(DBG_PCD, "CONTINUE TRANSFER\n"); -+ } -+ else { -+ ep0_complete_request(ep0); -+ DWC_DEBUGPL(DBG_PCD, "COMPLETE TRANSFER\n"); -+ } -+ break; -+ case EP0_OUT_DATA_PHASE: -+#ifdef DEBUG_EP0 -+ DWC_DEBUGPL(DBG_PCD, "DATA_OUT EP%d-%s: type=%d, mps=%d\n", -+ ep0->dwc_ep.num, (ep0->dwc_ep.is_in ?"IN":"OUT"), -+ ep0->dwc_ep.type, ep0->dwc_ep.maxpacket); -+#endif -+ if (core_if->dma_enable != 0) { -+ if(core_if->dma_desc_enable == 0) { -+ deptsiz.d32 = dwc_read_reg32(&core_if->dev_if->out_ep_regs[0]->doeptsiz); -+ byte_count = ep0->dwc_ep.maxpacket - deptsiz.b.xfersize; -+ } -+ else { -+ desc_sts.d32 = readl(core_if->dev_if->out_desc_addr); -+ byte_count = ep0->dwc_ep.maxpacket - desc_sts.b.bytes; -+ } -+ ep0->dwc_ep.xfer_count += byte_count; -+ ep0->dwc_ep.xfer_buff += byte_count; -+ ep0->dwc_ep.dma_addr += byte_count; -+ } -+ if (ep0->dwc_ep.xfer_count < ep0->dwc_ep.total_len) { -+ dwc_otg_ep0_continue_transfer (GET_CORE_IF(pcd), &ep0->dwc_ep); -+ DWC_DEBUGPL(DBG_PCD, "CONTINUE TRANSFER\n"); -+ } -+ else if(ep0->dwc_ep.sent_zlp) { -+ dwc_otg_ep0_continue_transfer (GET_CORE_IF(pcd), &ep0->dwc_ep); -+ ep0->dwc_ep.sent_zlp = 0; -+ DWC_DEBUGPL(DBG_PCD, "CONTINUE TRANSFER\n"); -+ } -+ else { -+ ep0_complete_request(ep0); -+ DWC_DEBUGPL(DBG_PCD, "COMPLETE TRANSFER\n"); -+ } -+ break; -+ -+ -+ case EP0_IN_STATUS_PHASE: -+ case EP0_OUT_STATUS_PHASE: -+ DWC_DEBUGPL(DBG_PCD, "CASE: EP0_STATUS\n"); -+ ep0_complete_request(ep0); -+ pcd->ep0state = EP0_IDLE; -+ ep0->stopped = 1; -+ ep0->dwc_ep.is_in = 0; /* OUT for next SETUP */ -+ -+ /* Prepare for more SETUP Packets */ -+ if(core_if->dma_enable) { -+ ep0_out_start(core_if, pcd); -+ } -+ break; -+ -+ case EP0_STALL: -+ DWC_ERROR("EP0 STALLed, should not get here pcd_setup()\n"); -+ break; -+ } -+#ifdef DEBUG_EP0 -+ print_ep0_state(pcd); -+#endif -+} -+ -+ -+/** -+ * Restart transfer -+ */ -+static void restart_transfer(dwc_otg_pcd_t *pcd, const uint32_t epnum) -+{ -+ dwc_otg_core_if_t *core_if; -+ dwc_otg_dev_if_t *dev_if; -+ deptsiz_data_t dieptsiz = {.d32=0}; -+ dwc_otg_pcd_ep_t *ep; -+ -+ ep = get_in_ep(pcd, epnum); -+ -+#ifdef DWC_EN_ISOC -+ if(ep->dwc_ep.type == DWC_OTG_EP_TYPE_ISOC) { -+ return; -+ } -+#endif /* DWC_EN_ISOC */ -+ -+ core_if = GET_CORE_IF(pcd); -+ dev_if = core_if->dev_if; -+ -+ dieptsiz.d32 = dwc_read_reg32(&dev_if->in_ep_regs[epnum]->dieptsiz); -+ -+ DWC_DEBUGPL(DBG_PCD,"xfer_buff=%p xfer_count=%0x xfer_len=%0x" -+ " stopped=%d\n", ep->dwc_ep.xfer_buff, -+ ep->dwc_ep.xfer_count, ep->dwc_ep.xfer_len , -+ ep->stopped); -+ /* -+ * If xfersize is 0 and pktcnt in not 0, resend the last packet. -+ */ -+ if (dieptsiz.b.pktcnt && dieptsiz.b.xfersize == 0 && -+ ep->dwc_ep.start_xfer_buff != 0) { -+ if (ep->dwc_ep.total_len <= ep->dwc_ep.maxpacket) { -+ ep->dwc_ep.xfer_count = 0; -+ ep->dwc_ep.xfer_buff = ep->dwc_ep.start_xfer_buff; -+ ep->dwc_ep.xfer_len = ep->dwc_ep.xfer_count; -+ } -+ else { -+ ep->dwc_ep.xfer_count -= ep->dwc_ep.maxpacket; -+ /* convert packet size to dwords. */ -+ ep->dwc_ep.xfer_buff -= ep->dwc_ep.maxpacket; -+ ep->dwc_ep.xfer_len = ep->dwc_ep.xfer_count; -+ } -+ ep->stopped = 0; -+ DWC_DEBUGPL(DBG_PCD,"xfer_buff=%p xfer_count=%0x " -+ "xfer_len=%0x stopped=%d\n", -+ ep->dwc_ep.xfer_buff, -+ ep->dwc_ep.xfer_count, ep->dwc_ep.xfer_len , -+ ep->stopped -+ ); -+ if (epnum == 0) { -+ dwc_otg_ep0_start_transfer(core_if, &ep->dwc_ep); -+ } -+ else { -+ dwc_otg_ep_start_transfer(core_if, &ep->dwc_ep); -+ } -+ } -+} -+ -+ -+/** -+ * handle the IN EP disable interrupt. -+ */ -+static inline void handle_in_ep_disable_intr(dwc_otg_pcd_t *pcd, -+ const uint32_t epnum) -+{ -+ dwc_otg_core_if_t *core_if = GET_CORE_IF(pcd); -+ dwc_otg_dev_if_t *dev_if = core_if->dev_if; -+ deptsiz_data_t dieptsiz = {.d32=0}; -+ dctl_data_t dctl = {.d32=0}; -+ dwc_otg_pcd_ep_t *ep; -+ dwc_ep_t *dwc_ep; -+ -+ ep = get_in_ep(pcd, epnum); -+ dwc_ep = &ep->dwc_ep; -+ -+ if(dwc_ep->type == DWC_OTG_EP_TYPE_ISOC) { -+ dwc_otg_flush_tx_fifo(core_if, dwc_ep->tx_fifo_num); -+ return; -+ } -+ -+ DWC_DEBUGPL(DBG_PCD,"diepctl%d=%0x\n", epnum, -+ dwc_read_reg32(&dev_if->in_ep_regs[epnum]->diepctl)); -+ dieptsiz.d32 = dwc_read_reg32(&dev_if->in_ep_regs[epnum]->dieptsiz); -+ -+ DWC_DEBUGPL(DBG_ANY, "pktcnt=%d size=%d\n", -+ dieptsiz.b.pktcnt, -+ dieptsiz.b.xfersize); -+ -+ if (ep->stopped) { -+ /* Flush the Tx FIFO */ -+ dwc_otg_flush_tx_fifo(core_if, dwc_ep->tx_fifo_num); -+ /* Clear the Global IN NP NAK */ -+ dctl.d32 = 0; -+ dctl.b.cgnpinnak = 1; -+ dwc_modify_reg32(&dev_if->dev_global_regs->dctl, -+ dctl.d32, 0); -+ /* Restart the transaction */ -+ if (dieptsiz.b.pktcnt != 0 || -+ dieptsiz.b.xfersize != 0) { -+ restart_transfer(pcd, epnum); -+ } -+ } -+ else { -+ /* Restart the transaction */ -+ if (dieptsiz.b.pktcnt != 0 || -+ dieptsiz.b.xfersize != 0) { -+ restart_transfer(pcd, epnum); -+ } -+ DWC_DEBUGPL(DBG_ANY, "STOPPED!!!\n"); -+ } -+} -+ -+/** -+ * Handler for the IN EP timeout handshake interrupt. -+ */ -+static inline void handle_in_ep_timeout_intr(dwc_otg_pcd_t *pcd, -+ const uint32_t epnum) -+{ -+ dwc_otg_core_if_t *core_if = GET_CORE_IF(pcd); -+ dwc_otg_dev_if_t *dev_if = core_if->dev_if; -+ -+#ifdef DEBUG -+ deptsiz_data_t dieptsiz = {.d32=0}; -+ uint32_t num = 0; -+#endif -+ dctl_data_t dctl = {.d32=0}; -+ dwc_otg_pcd_ep_t *ep; -+ -+ gintmsk_data_t intr_mask = {.d32 = 0}; -+ -+ ep = get_in_ep(pcd, epnum); -+ -+ /* Disable the NP Tx Fifo Empty Interrrupt */ -+ if (!core_if->dma_enable) { -+ intr_mask.b.nptxfempty = 1; -+ dwc_modify_reg32(&core_if->core_global_regs->gintmsk, intr_mask.d32, 0); -+ } -+ /** @todo NGS Check EP type. -+ * Implement for Periodic EPs */ -+ /* -+ * Non-periodic EP -+ */ -+ /* Enable the Global IN NAK Effective Interrupt */ -+ intr_mask.b.ginnakeff = 1; -+ dwc_modify_reg32(&core_if->core_global_regs->gintmsk, -+ 0, intr_mask.d32); -+ -+ /* Set Global IN NAK */ -+ dctl.b.sgnpinnak = 1; -+ dwc_modify_reg32(&dev_if->dev_global_regs->dctl, -+ dctl.d32, dctl.d32); -+ -+ ep->stopped = 1; -+ -+#ifdef DEBUG -+ dieptsiz.d32 = dwc_read_reg32(&dev_if->in_ep_regs[num]->dieptsiz); -+ DWC_DEBUGPL(DBG_ANY, "pktcnt=%d size=%d\n", -+ dieptsiz.b.pktcnt, -+ dieptsiz.b.xfersize); -+#endif -+ -+#ifdef DISABLE_PERIODIC_EP -+ /* -+ * Set the NAK bit for this EP to -+ * start the disable process. -+ */ -+ diepctl.d32 = 0; -+ diepctl.b.snak = 1; -+ dwc_modify_reg32(&dev_if->in_ep_regs[num]->diepctl, diepctl.d32, diepctl.d32); -+ ep->disabling = 1; -+ ep->stopped = 1; -+#endif -+} -+ -+/** -+ * Handler for the IN EP NAK interrupt. -+ */ -+static inline int32_t handle_in_ep_nak_intr(dwc_otg_pcd_t *pcd, -+ const uint32_t epnum) -+{ -+ /** @todo implement ISR */ -+ dwc_otg_core_if_t* core_if; -+ diepmsk_data_t intr_mask = { .d32 = 0}; -+ -+ DWC_PRINT("INTERRUPT Handler not implemented for %s\n", "IN EP NAK"); -+ core_if = GET_CORE_IF(pcd); -+ intr_mask.b.nak = 1; -+ -+ if(core_if->multiproc_int_enable) { -+ dwc_modify_reg32(&core_if->dev_if->dev_global_regs->diepeachintmsk[epnum], -+ intr_mask.d32, 0); -+ } else { -+ dwc_modify_reg32(&core_if->dev_if->dev_global_regs->diepmsk, -+ intr_mask.d32, 0); -+ } -+ -+ return 1; -+} -+ -+/** -+ * Handler for the OUT EP Babble interrupt. -+ */ -+static inline int32_t handle_out_ep_babble_intr(dwc_otg_pcd_t *pcd, -+ const uint32_t epnum) -+{ -+ /** @todo implement ISR */ -+ dwc_otg_core_if_t* core_if; -+ doepmsk_data_t intr_mask = { .d32 = 0}; -+ -+ DWC_PRINT("INTERRUPT Handler not implemented for %s\n", "OUT EP Babble"); -+ core_if = GET_CORE_IF(pcd); -+ intr_mask.b.babble = 1; -+ -+ if(core_if->multiproc_int_enable) { -+ dwc_modify_reg32(&core_if->dev_if->dev_global_regs->doepeachintmsk[epnum], -+ intr_mask.d32, 0); -+ } else { -+ dwc_modify_reg32(&core_if->dev_if->dev_global_regs->doepmsk, -+ intr_mask.d32, 0); -+ } -+ -+ return 1; -+} -+ -+/** -+ * Handler for the OUT EP NAK interrupt. -+ */ -+static inline int32_t handle_out_ep_nak_intr(dwc_otg_pcd_t *pcd, -+ const uint32_t epnum) -+{ -+ /** @todo implement ISR */ -+ dwc_otg_core_if_t* core_if; -+ doepmsk_data_t intr_mask = { .d32 = 0}; -+ -+ DWC_PRINT("INTERRUPT Handler not implemented for %s\n", "OUT EP NAK"); -+ core_if = GET_CORE_IF(pcd); -+ intr_mask.b.nak = 1; -+ -+ if(core_if->multiproc_int_enable) { -+ dwc_modify_reg32(&core_if->dev_if->dev_global_regs->doepeachintmsk[epnum], -+ intr_mask.d32, 0); -+ } else { -+ dwc_modify_reg32(&core_if->dev_if->dev_global_regs->doepmsk, -+ intr_mask.d32, 0); -+ } -+ -+ return 1; -+} -+ -+/** -+ * Handler for the OUT EP NYET interrupt. -+ */ -+static inline int32_t handle_out_ep_nyet_intr(dwc_otg_pcd_t *pcd, -+ const uint32_t epnum) -+{ -+ /** @todo implement ISR */ -+ dwc_otg_core_if_t* core_if; -+ doepmsk_data_t intr_mask = { .d32 = 0}; -+ -+ DWC_PRINT("INTERRUPT Handler not implemented for %s\n", "OUT EP NYET"); -+ core_if = GET_CORE_IF(pcd); -+ intr_mask.b.nyet = 1; -+ -+ if(core_if->multiproc_int_enable) { -+ dwc_modify_reg32(&core_if->dev_if->dev_global_regs->doepeachintmsk[epnum], -+ intr_mask.d32, 0); -+ } else { -+ dwc_modify_reg32(&core_if->dev_if->dev_global_regs->doepmsk, -+ intr_mask.d32, 0); -+ } -+ -+ return 1; -+} -+ -+/** -+ * This interrupt indicates that an IN EP has a pending Interrupt. -+ * The sequence for handling the IN EP interrupt is shown below: -+ * -# Read the Device All Endpoint Interrupt register -+ * -# Repeat the following for each IN EP interrupt bit set (from -+ * LSB to MSB). -+ * -# Read the Device Endpoint Interrupt (DIEPINTn) register -+ * -# If "Transfer Complete" call the request complete function -+ * -# If "Endpoint Disabled" complete the EP disable procedure. -+ * -# If "AHB Error Interrupt" log error -+ * -# If "Time-out Handshake" log error -+ * -# If "IN Token Received when TxFIFO Empty" write packet to Tx -+ * FIFO. -+ * -# If "IN Token EP Mismatch" (disable, this is handled by EP -+ * Mismatch Interrupt) -+ */ -+static int32_t dwc_otg_pcd_handle_in_ep_intr(dwc_otg_pcd_t *pcd) -+{ -+#define CLEAR_IN_EP_INTR(__core_if,__epnum,__intr) \ -+do { \ -+ diepint_data_t diepint = {.d32=0}; \ -+ diepint.b.__intr = 1; \ -+ dwc_write_reg32(&__core_if->dev_if->in_ep_regs[__epnum]->diepint, \ -+ diepint.d32); \ -+} while (0) -+ -+ dwc_otg_core_if_t *core_if = GET_CORE_IF(pcd); -+ dwc_otg_dev_if_t *dev_if = core_if->dev_if; -+ diepint_data_t diepint = {.d32=0}; -+ dctl_data_t dctl = {.d32=0}; -+ depctl_data_t depctl = {.d32=0}; -+ uint32_t ep_intr; -+ uint32_t epnum = 0; -+ dwc_otg_pcd_ep_t *ep; -+ dwc_ep_t *dwc_ep; -+ gintmsk_data_t intr_mask = {.d32 = 0}; -+ -+ -+ -+ DWC_DEBUGPL(DBG_PCDV, "%s(%p)\n", __func__, pcd); -+ -+ /* Read in the device interrupt bits */ -+ ep_intr = dwc_otg_read_dev_all_in_ep_intr(core_if); -+ -+ /* Service the Device IN interrupts for each endpoint */ -+ while(ep_intr) { -+ if (ep_intr&0x1) { -+ uint32_t empty_msk; -+ /* Get EP pointer */ -+ ep = get_in_ep(pcd, epnum); -+ dwc_ep = &ep->dwc_ep; -+ -+ depctl.d32 = dwc_read_reg32(&dev_if->in_ep_regs[epnum]->diepctl); -+ empty_msk = dwc_read_reg32(&dev_if->dev_global_regs->dtknqr4_fifoemptymsk); -+ -+ DWC_DEBUGPL(DBG_PCDV, -+ "IN EP INTERRUPT - %d\nepmty_msk - %8x diepctl - %8x\n", -+ epnum, -+ empty_msk, -+ depctl.d32); -+ -+ DWC_DEBUGPL(DBG_PCD, -+ "EP%d-%s: type=%d, mps=%d\n", -+ dwc_ep->num, (dwc_ep->is_in ?"IN":"OUT"), -+ dwc_ep->type, dwc_ep->maxpacket); -+ -+ diepint.d32 = dwc_otg_read_dev_in_ep_intr(core_if, dwc_ep); -+ -+ DWC_DEBUGPL(DBG_PCDV, "EP %d Interrupt Register - 0x%x\n", epnum, diepint.d32); -+ /* Transfer complete */ -+ if (diepint.b.xfercompl) { -+ /* Disable the NP Tx FIFO Empty -+ * Interrrupt */ -+ if(core_if->en_multiple_tx_fifo == 0) { -+ intr_mask.b.nptxfempty = 1; -+ dwc_modify_reg32(&core_if->core_global_regs->gintmsk, intr_mask.d32, 0); -+ } -+ else { -+ /* Disable the Tx FIFO Empty Interrupt for this EP */ -+ uint32_t fifoemptymsk = 0x1 << dwc_ep->num; -+ dwc_modify_reg32(&core_if->dev_if->dev_global_regs->dtknqr4_fifoemptymsk, -+ fifoemptymsk, 0); -+ } -+ /* Clear the bit in DIEPINTn for this interrupt */ -+ CLEAR_IN_EP_INTR(core_if,epnum,xfercompl); -+ -+ /* Complete the transfer */ -+ if (epnum == 0) { -+ handle_ep0(pcd); -+ } -+#ifdef DWC_EN_ISOC -+ else if(dwc_ep->type == DWC_OTG_EP_TYPE_ISOC) { -+ if(!ep->stopped) -+ complete_iso_ep(ep); -+ } -+#endif //DWC_EN_ISOC -+ else { -+ -+ complete_ep(ep); -+ } -+ } -+ /* Endpoint disable */ -+ if (diepint.b.epdisabled) { -+ DWC_DEBUGPL(DBG_ANY,"EP%d IN disabled\n", epnum); -+ handle_in_ep_disable_intr(pcd, epnum); -+ -+ /* Clear the bit in DIEPINTn for this interrupt */ -+ CLEAR_IN_EP_INTR(core_if,epnum,epdisabled); -+ } -+ /* AHB Error */ -+ if (diepint.b.ahberr) { -+ DWC_DEBUGPL(DBG_ANY,"EP%d IN AHB Error\n", epnum); -+ /* Clear the bit in DIEPINTn for this interrupt */ -+ CLEAR_IN_EP_INTR(core_if,epnum,ahberr); -+ } -+ /* TimeOUT Handshake (non-ISOC IN EPs) */ -+ if (diepint.b.timeout) { -+ DWC_DEBUGPL(DBG_ANY,"EP%d IN Time-out\n", epnum); -+ handle_in_ep_timeout_intr(pcd, epnum); -+ -+ CLEAR_IN_EP_INTR(core_if,epnum,timeout); -+ } -+ /** IN Token received with TxF Empty */ -+ if (diepint.b.intktxfemp) { -+ DWC_DEBUGPL(DBG_ANY,"EP%d IN TKN TxFifo Empty\n", -+ epnum); -+ if (!ep->stopped && epnum != 0) { -+ -+ diepmsk_data_t diepmsk = { .d32 = 0}; -+ diepmsk.b.intktxfemp = 1; -+ -+ if(core_if->multiproc_int_enable) { -+ dwc_modify_reg32(&dev_if->dev_global_regs->diepeachintmsk[epnum], -+ diepmsk.d32, 0); -+ } else { -+ dwc_modify_reg32(&dev_if->dev_global_regs->diepmsk, diepmsk.d32, 0); -+ } -+ start_next_request(ep); -+ } -+ else if(core_if->dma_desc_enable && epnum == 0 && -+ pcd->ep0state == EP0_OUT_STATUS_PHASE) { -+ // EP0 IN set STALL -+ depctl.d32 = dwc_read_reg32(&dev_if->in_ep_regs[epnum]->diepctl); -+ -+ /* set the disable and stall bits */ -+ if (depctl.b.epena) { -+ depctl.b.epdis = 1; -+ } -+ depctl.b.stall = 1; -+ dwc_write_reg32(&dev_if->in_ep_regs[epnum]->diepctl, depctl.d32); -+ } -+ CLEAR_IN_EP_INTR(core_if,epnum,intktxfemp); -+ } -+ /** IN Token Received with EP mismatch */ -+ if (diepint.b.intknepmis) { -+ DWC_DEBUGPL(DBG_ANY,"EP%d IN TKN EP Mismatch\n", epnum); -+ CLEAR_IN_EP_INTR(core_if,epnum,intknepmis); -+ } -+ /** IN Endpoint NAK Effective */ -+ if (diepint.b.inepnakeff) { -+ DWC_DEBUGPL(DBG_ANY,"EP%d IN EP NAK Effective\n", epnum); -+ /* Periodic EP */ -+ if (ep->disabling) { -+ depctl.d32 = 0; -+ depctl.b.snak = 1; -+ depctl.b.epdis = 1; -+ dwc_modify_reg32(&dev_if->in_ep_regs[epnum]->diepctl, depctl.d32, depctl.d32); -+ } -+ CLEAR_IN_EP_INTR(core_if,epnum,inepnakeff); -+ -+ } -+ -+ /** IN EP Tx FIFO Empty Intr */ -+ if (diepint.b.emptyintr) { -+ DWC_DEBUGPL(DBG_ANY,"EP%d Tx FIFO Empty Intr \n", epnum); -+ write_empty_tx_fifo(pcd, epnum); -+ -+ CLEAR_IN_EP_INTR(core_if,epnum,emptyintr); -+ -+ } -+ -+ /** IN EP BNA Intr */ -+ if (diepint.b.bna) { -+ CLEAR_IN_EP_INTR(core_if,epnum,bna); -+ if(core_if->dma_desc_enable) { -+#ifdef DWC_EN_ISOC -+ if(dwc_ep->type == DWC_OTG_EP_TYPE_ISOC) { -+ /* -+ * This checking is performed to prevent first "false" BNA -+ * handling occuring right after reconnect -+ */ -+ if(dwc_ep->next_frame != 0xffffffff) -+ dwc_otg_pcd_handle_iso_bna(ep); -+ } -+ else -+#endif //DWC_EN_ISOC -+ { -+ dctl.d32 = dwc_read_reg32(&dev_if->dev_global_regs->dctl); -+ -+ /* If Global Continue on BNA is disabled - disable EP */ -+ if(!dctl.b.gcontbna) { -+ depctl.d32 = 0; -+ depctl.b.snak = 1; -+ depctl.b.epdis = 1; -+ dwc_modify_reg32(&dev_if->in_ep_regs[epnum]->diepctl, depctl.d32, depctl.d32); -+ } else { -+ start_next_request(ep); -+ } -+ } -+ } -+ } -+ /* NAK Interrutp */ -+ if (diepint.b.nak) { -+ DWC_DEBUGPL(DBG_ANY,"EP%d IN NAK Interrupt\n", epnum); -+ handle_in_ep_nak_intr(pcd, epnum); -+ -+ CLEAR_IN_EP_INTR(core_if,epnum,nak); -+ } -+ } -+ epnum++; -+ ep_intr >>=1; -+ } -+ -+ return 1; -+#undef CLEAR_IN_EP_INTR -+} -+ -+/** -+ * This interrupt indicates that an OUT EP has a pending Interrupt. -+ * The sequence for handling the OUT EP interrupt is shown below: -+ * -# Read the Device All Endpoint Interrupt register -+ * -# Repeat the following for each OUT EP interrupt bit set (from -+ * LSB to MSB). -+ * -# Read the Device Endpoint Interrupt (DOEPINTn) register -+ * -# If "Transfer Complete" call the request complete function -+ * -# If "Endpoint Disabled" complete the EP disable procedure. -+ * -# If "AHB Error Interrupt" log error -+ * -# If "Setup Phase Done" process Setup Packet (See Standard USB -+ * Command Processing) -+ */ -+static int32_t dwc_otg_pcd_handle_out_ep_intr(dwc_otg_pcd_t *pcd) -+{ -+#define CLEAR_OUT_EP_INTR(__core_if,__epnum,__intr) \ -+do { \ -+ doepint_data_t doepint = {.d32=0}; \ -+ doepint.b.__intr = 1; \ -+ dwc_write_reg32(&__core_if->dev_if->out_ep_regs[__epnum]->doepint, \ -+ doepint.d32); \ -+} while (0) -+ -+ dwc_otg_core_if_t *core_if = GET_CORE_IF(pcd); -+ dwc_otg_dev_if_t *dev_if = core_if->dev_if; -+ uint32_t ep_intr; -+ doepint_data_t doepint = {.d32=0}; -+ dctl_data_t dctl = {.d32=0}; -+ depctl_data_t doepctl = {.d32=0}; -+ uint32_t epnum = 0; -+ dwc_otg_pcd_ep_t *ep; -+ dwc_ep_t *dwc_ep; -+ -+ DWC_DEBUGPL(DBG_PCDV, "%s()\n", __func__); -+ -+ /* Read in the device interrupt bits */ -+ ep_intr = dwc_otg_read_dev_all_out_ep_intr(core_if); -+ -+ while(ep_intr) { -+ if (ep_intr&0x1) { -+ /* Get EP pointer */ -+ ep = get_out_ep(pcd, epnum); -+ dwc_ep = &ep->dwc_ep; -+ -+#ifdef VERBOSE -+ DWC_DEBUGPL(DBG_PCDV, -+ "EP%d-%s: type=%d, mps=%d\n", -+ dwc_ep->num, (dwc_ep->is_in ?"IN":"OUT"), -+ dwc_ep->type, dwc_ep->maxpacket); -+#endif -+ doepint.d32 = dwc_otg_read_dev_out_ep_intr(core_if, dwc_ep); -+ -+ /* Transfer complete */ -+ if (doepint.b.xfercompl) { -+ -+ if (epnum == 0) { -+ /* Clear the bit in DOEPINTn for this interrupt */ -+ CLEAR_OUT_EP_INTR(core_if,epnum,xfercompl); -+ if(core_if->dma_desc_enable == 0 || pcd->ep0state != EP0_IDLE) -+ handle_ep0(pcd); -+#ifdef DWC_EN_ISOC -+ } else if(dwc_ep->type == DWC_OTG_EP_TYPE_ISOC) { -+ if (doepint.b.pktdrpsts == 0) { -+ /* Clear the bit in DOEPINTn for this interrupt */ -+ CLEAR_OUT_EP_INTR(core_if,epnum,xfercompl); -+ complete_iso_ep(ep); -+ } else { -+ -+ doepint_data_t doepint = {.d32=0}; -+ doepint.b.xfercompl = 1; -+ doepint.b.pktdrpsts = 1; -+ dwc_write_reg32(&core_if->dev_if->out_ep_regs[epnum]->doepint, -+ doepint.d32); -+ if(handle_iso_out_pkt_dropped(core_if,dwc_ep)) { -+ complete_iso_ep(ep); -+ } -+ } -+#endif //DWC_EN_ISOC -+ } else { -+ /* Clear the bit in DOEPINTn for this interrupt */ -+ CLEAR_OUT_EP_INTR(core_if,epnum,xfercompl); -+ complete_ep(ep); -+ } -+ -+ } -+ -+ /* Endpoint disable */ -+ if (doepint.b.epdisabled) { -+ -+ /* Clear the bit in DOEPINTn for this interrupt */ -+ CLEAR_OUT_EP_INTR(core_if,epnum,epdisabled); -+ } -+ /* AHB Error */ -+ if (doepint.b.ahberr) { -+ DWC_DEBUGPL(DBG_PCD,"EP%d OUT AHB Error\n", epnum); -+ DWC_DEBUGPL(DBG_PCD,"EP DMA REG %d \n", core_if->dev_if->out_ep_regs[epnum]->doepdma); -+ CLEAR_OUT_EP_INTR(core_if,epnum,ahberr); -+ } -+ /* Setup Phase Done (contorl EPs) */ -+ if (doepint.b.setup) { -+#ifdef DEBUG_EP0 -+ DWC_DEBUGPL(DBG_PCD,"EP%d SETUP Done\n", -+ epnum); -+#endif -+ CLEAR_OUT_EP_INTR(core_if,epnum,setup); -+ -+ handle_ep0(pcd); -+ } -+ -+ /** OUT EP BNA Intr */ -+ if (doepint.b.bna) { -+ CLEAR_OUT_EP_INTR(core_if,epnum,bna); -+ if(core_if->dma_desc_enable) { -+#ifdef DWC_EN_ISOC -+ if(dwc_ep->type == DWC_OTG_EP_TYPE_ISOC) { -+ /* -+ * This checking is performed to prevent first "false" BNA -+ * handling occuring right after reconnect -+ */ -+ if(dwc_ep->next_frame != 0xffffffff) -+ dwc_otg_pcd_handle_iso_bna(ep); -+ } -+ else -+#endif //DWC_EN_ISOC -+ { -+ dctl.d32 = dwc_read_reg32(&dev_if->dev_global_regs->dctl); -+ -+ /* If Global Continue on BNA is disabled - disable EP*/ -+ if(!dctl.b.gcontbna) { -+ doepctl.d32 = 0; -+ doepctl.b.snak = 1; -+ doepctl.b.epdis = 1; -+ dwc_modify_reg32(&dev_if->out_ep_regs[epnum]->doepctl, doepctl.d32, doepctl.d32); -+ } else { -+ start_next_request(ep); -+ } -+ } -+ } -+ } -+ if (doepint.b.stsphsercvd) { -+ CLEAR_OUT_EP_INTR(core_if,epnum,stsphsercvd); -+ if(core_if->dma_desc_enable) { -+ do_setup_in_status_phase(pcd); -+ } -+ } -+ /* Babble Interrutp */ -+ if (doepint.b.babble) { -+ DWC_DEBUGPL(DBG_ANY,"EP%d OUT Babble\n", epnum); -+ handle_out_ep_babble_intr(pcd, epnum); -+ -+ CLEAR_OUT_EP_INTR(core_if,epnum,babble); -+ } -+ /* NAK Interrutp */ -+ if (doepint.b.nak) { -+ DWC_DEBUGPL(DBG_ANY,"EP%d OUT NAK\n", epnum); -+ handle_out_ep_nak_intr(pcd, epnum); -+ -+ CLEAR_OUT_EP_INTR(core_if,epnum,nak); -+ } -+ /* NYET Interrutp */ -+ if (doepint.b.nyet) { -+ DWC_DEBUGPL(DBG_ANY,"EP%d OUT NYET\n", epnum); -+ handle_out_ep_nyet_intr(pcd, epnum); -+ -+ CLEAR_OUT_EP_INTR(core_if,epnum,nyet); -+ } -+ } -+ -+ epnum++; -+ ep_intr >>=1; -+ } -+ -+ return 1; -+ -+#undef CLEAR_OUT_EP_INTR -+} -+ -+ -+/** -+ * Incomplete ISO IN Transfer Interrupt. -+ * This interrupt indicates one of the following conditions occurred -+ * while transmitting an ISOC transaction. -+ * - Corrupted IN Token for ISOC EP. -+ * - Packet not complete in FIFO. -+ * The follow actions will be taken: -+ * -# Determine the EP -+ * -# Set incomplete flag in dwc_ep structure -+ * -# Disable EP; when "Endpoint Disabled" interrupt is received -+ * Flush FIFO -+ */ -+int32_t dwc_otg_pcd_handle_incomplete_isoc_in_intr(dwc_otg_pcd_t *pcd) -+{ -+ gintsts_data_t gintsts; -+ -+ -+#ifdef DWC_EN_ISOC -+ dwc_otg_dev_if_t *dev_if; -+ deptsiz_data_t deptsiz = { .d32 = 0}; -+ depctl_data_t depctl = { .d32 = 0}; -+ dsts_data_t dsts = { .d32 = 0}; -+ dwc_ep_t *dwc_ep; -+ int i; -+ -+ dev_if = GET_CORE_IF(pcd)->dev_if; -+ -+ for(i = 1; i <= dev_if->num_in_eps; ++i) { -+ dwc_ep = &pcd->in_ep[i].dwc_ep; -+ if(dwc_ep->active && -+ dwc_ep->type == USB_ENDPOINT_XFER_ISOC) -+ { -+ deptsiz.d32 = dwc_read_reg32(&dev_if->in_ep_regs[i]->dieptsiz); -+ depctl.d32 = dwc_read_reg32(&dev_if->in_ep_regs[i]->diepctl); -+ -+ if(depctl.b.epdis && deptsiz.d32) { -+ set_current_pkt_info(GET_CORE_IF(pcd), dwc_ep); -+ if(dwc_ep->cur_pkt >= dwc_ep->pkt_cnt) { -+ dwc_ep->cur_pkt = 0; -+ dwc_ep->proc_buf_num = (dwc_ep->proc_buf_num ^ 1) & 0x1; -+ -+ if(dwc_ep->proc_buf_num) { -+ dwc_ep->cur_pkt_addr = dwc_ep->xfer_buff1; -+ dwc_ep->cur_pkt_dma_addr = dwc_ep->dma_addr1; -+ } else { -+ dwc_ep->cur_pkt_addr = dwc_ep->xfer_buff0; -+ dwc_ep->cur_pkt_dma_addr = dwc_ep->dma_addr0; -+ } -+ -+ } -+ -+ dsts.d32 = dwc_read_reg32(&GET_CORE_IF(pcd)->dev_if->dev_global_regs->dsts); -+ dwc_ep->next_frame = dsts.b.soffn; -+ -+ dwc_otg_iso_ep_start_frm_transfer(GET_CORE_IF(pcd), dwc_ep); -+ } -+ } -+ } -+ -+#else -+ gintmsk_data_t intr_mask = { .d32 = 0}; -+ DWC_PRINT("INTERRUPT Handler not implemented for %s\n", -+ "IN ISOC Incomplete"); -+ -+ intr_mask.b.incomplisoin = 1; -+ dwc_modify_reg32(&GET_CORE_IF(pcd)->core_global_regs->gintmsk, -+ intr_mask.d32, 0); -+#endif //DWC_EN_ISOC -+ -+ /* Clear interrupt */ -+ gintsts.d32 = 0; -+ gintsts.b.incomplisoin = 1; -+ dwc_write_reg32 (&GET_CORE_IF(pcd)->core_global_regs->gintsts, -+ gintsts.d32); -+ -+ return 1; -+} -+ -+/** -+ * Incomplete ISO OUT Transfer Interrupt. -+ * -+ * This interrupt indicates that the core has dropped an ISO OUT -+ * packet. The following conditions can be the cause: -+ * - FIFO Full, the entire packet would not fit in the FIFO. -+ * - CRC Error -+ * - Corrupted Token -+ * The follow actions will be taken: -+ * -# Determine the EP -+ * -# Set incomplete flag in dwc_ep structure -+ * -# Read any data from the FIFO -+ * -# Disable EP. when "Endpoint Disabled" interrupt is received -+ * re-enable EP. -+ */ -+int32_t dwc_otg_pcd_handle_incomplete_isoc_out_intr(dwc_otg_pcd_t *pcd) -+{ -+ /* @todo implement ISR */ -+ gintsts_data_t gintsts; -+ -+#ifdef DWC_EN_ISOC -+ dwc_otg_dev_if_t *dev_if; -+ deptsiz_data_t deptsiz = { .d32 = 0}; -+ depctl_data_t depctl = { .d32 = 0}; -+ dsts_data_t dsts = { .d32 = 0}; -+ dwc_ep_t *dwc_ep; -+ int i; -+ -+ dev_if = GET_CORE_IF(pcd)->dev_if; -+ -+ for(i = 1; i <= dev_if->num_out_eps; ++i) { -+ dwc_ep = &pcd->in_ep[i].dwc_ep; -+ if(pcd->out_ep[i].dwc_ep.active && -+ pcd->out_ep[i].dwc_ep.type == USB_ENDPOINT_XFER_ISOC) -+ { -+ deptsiz.d32 = dwc_read_reg32(&dev_if->out_ep_regs[i]->doeptsiz); -+ depctl.d32 = dwc_read_reg32(&dev_if->out_ep_regs[i]->doepctl); -+ -+ if(depctl.b.epdis && deptsiz.d32) { -+ set_current_pkt_info(GET_CORE_IF(pcd), &pcd->out_ep[i].dwc_ep); -+ if(dwc_ep->cur_pkt >= dwc_ep->pkt_cnt) { -+ dwc_ep->cur_pkt = 0; -+ dwc_ep->proc_buf_num = (dwc_ep->proc_buf_num ^ 1) & 0x1; -+ -+ if(dwc_ep->proc_buf_num) { -+ dwc_ep->cur_pkt_addr = dwc_ep->xfer_buff1; -+ dwc_ep->cur_pkt_dma_addr = dwc_ep->dma_addr1; -+ } else { -+ dwc_ep->cur_pkt_addr = dwc_ep->xfer_buff0; -+ dwc_ep->cur_pkt_dma_addr = dwc_ep->dma_addr0; -+ } -+ -+ } -+ -+ dsts.d32 = dwc_read_reg32(&GET_CORE_IF(pcd)->dev_if->dev_global_regs->dsts); -+ dwc_ep->next_frame = dsts.b.soffn; -+ -+ dwc_otg_iso_ep_start_frm_transfer(GET_CORE_IF(pcd), dwc_ep); -+ } -+ } -+ } -+#else -+ /** @todo implement ISR */ -+ gintmsk_data_t intr_mask = { .d32 = 0}; -+ -+ DWC_PRINT("INTERRUPT Handler not implemented for %s\n", -+ "OUT ISOC Incomplete"); -+ -+ intr_mask.b.incomplisoout = 1; -+ dwc_modify_reg32(&GET_CORE_IF(pcd)->core_global_regs->gintmsk, -+ intr_mask.d32, 0); -+ -+#endif // DWC_EN_ISOC -+ -+ /* Clear interrupt */ -+ gintsts.d32 = 0; -+ gintsts.b.incomplisoout = 1; -+ dwc_write_reg32 (&GET_CORE_IF(pcd)->core_global_regs->gintsts, -+ gintsts.d32); -+ -+ return 1; -+} -+ -+/** -+ * This function handles the Global IN NAK Effective interrupt. -+ * -+ */ -+int32_t dwc_otg_pcd_handle_in_nak_effective(dwc_otg_pcd_t *pcd) -+{ -+ dwc_otg_dev_if_t *dev_if = GET_CORE_IF(pcd)->dev_if; -+ depctl_data_t diepctl = { .d32 = 0}; -+ depctl_data_t diepctl_rd = { .d32 = 0}; -+ gintmsk_data_t intr_mask = { .d32 = 0}; -+ gintsts_data_t gintsts; -+ int i; -+ -+ DWC_DEBUGPL(DBG_PCD, "Global IN NAK Effective\n"); -+ -+ /* Disable all active IN EPs */ -+ diepctl.b.epdis = 1; -+ diepctl.b.snak = 1; -+ -+ for (i=0; i <= dev_if->num_in_eps; i++) -+ { -+ diepctl_rd.d32 = dwc_read_reg32(&dev_if->in_ep_regs[i]->diepctl); -+ if (diepctl_rd.b.epena) { -+ dwc_write_reg32(&dev_if->in_ep_regs[i]->diepctl, -+ diepctl.d32); -+ } -+ } -+ /* Disable the Global IN NAK Effective Interrupt */ -+ intr_mask.b.ginnakeff = 1; -+ dwc_modify_reg32(&GET_CORE_IF(pcd)->core_global_regs->gintmsk, -+ intr_mask.d32, 0); -+ -+ /* Clear interrupt */ -+ gintsts.d32 = 0; -+ gintsts.b.ginnakeff = 1; -+ dwc_write_reg32(&GET_CORE_IF(pcd)->core_global_regs->gintsts, -+ gintsts.d32); -+ -+ return 1; -+} -+ -+/** -+ * OUT NAK Effective. -+ * -+ */ -+int32_t dwc_otg_pcd_handle_out_nak_effective(dwc_otg_pcd_t *pcd) -+{ -+ gintmsk_data_t intr_mask = { .d32 = 0}; -+ gintsts_data_t gintsts; -+ -+ DWC_PRINT("INTERRUPT Handler not implemented for %s\n", -+ "Global IN NAK Effective\n"); -+ /* Disable the Global IN NAK Effective Interrupt */ -+ intr_mask.b.goutnakeff = 1; -+ dwc_modify_reg32(&GET_CORE_IF(pcd)->core_global_regs->gintmsk, -+ intr_mask.d32, 0); -+ -+ /* Clear interrupt */ -+ gintsts.d32 = 0; -+ gintsts.b.goutnakeff = 1; -+ dwc_write_reg32 (&GET_CORE_IF(pcd)->core_global_regs->gintsts, -+ gintsts.d32); -+ -+ return 1; -+} -+ -+ -+/** -+ * PCD interrupt handler. -+ * -+ * The PCD handles the device interrupts. Many conditions can cause a -+ * device interrupt. When an interrupt occurs, the device interrupt -+ * service routine determines the cause of the interrupt and -+ * dispatches handling to the appropriate function. These interrupt -+ * handling functions are described below. -+ * -+ * All interrupt registers are processed from LSB to MSB. -+ * -+ */ -+int32_t dwc_otg_pcd_handle_intr(dwc_otg_pcd_t *pcd) -+{ -+ dwc_otg_core_if_t *core_if = GET_CORE_IF(pcd); -+#ifdef VERBOSE -+ dwc_otg_core_global_regs_t *global_regs = -+ core_if->core_global_regs; -+#endif -+ gintsts_data_t gintr_status; -+ int32_t retval = 0; -+ -+ -+#ifdef VERBOSE -+ DWC_DEBUGPL(DBG_ANY, "%s() gintsts=%08x gintmsk=%08x\n", -+ __func__, -+ dwc_read_reg32(&global_regs->gintsts), -+ dwc_read_reg32(&global_regs->gintmsk)); -+#endif -+ -+ if (dwc_otg_is_device_mode(core_if)) { -+ SPIN_LOCK(&pcd->lock); -+#ifdef VERBOSE -+ DWC_DEBUGPL(DBG_PCDV, "%s() gintsts=%08x gintmsk=%08x\n", -+ __func__, -+ dwc_read_reg32(&global_regs->gintsts), -+ dwc_read_reg32(&global_regs->gintmsk)); -+#endif -+ -+ gintr_status.d32 = dwc_otg_read_core_intr(core_if); -+ -+/* -+ if (!gintr_status.d32) { -+ SPIN_UNLOCK(&pcd->lock); -+ return 0; -+ } -+*/ -+ DWC_DEBUGPL(DBG_PCDV, "%s: gintsts&gintmsk=%08x\n", -+ __func__, gintr_status.d32); -+ -+ if (gintr_status.b.sofintr) { -+ retval |= dwc_otg_pcd_handle_sof_intr(pcd); -+ } -+ if (gintr_status.b.rxstsqlvl) { -+ retval |= dwc_otg_pcd_handle_rx_status_q_level_intr(pcd); -+ } -+ if (gintr_status.b.nptxfempty) { -+ retval |= dwc_otg_pcd_handle_np_tx_fifo_empty_intr(pcd); -+ } -+ if (gintr_status.b.ginnakeff) { -+ retval |= dwc_otg_pcd_handle_in_nak_effective(pcd); -+ } -+ if (gintr_status.b.goutnakeff) { -+ retval |= dwc_otg_pcd_handle_out_nak_effective(pcd); -+ } -+ if (gintr_status.b.i2cintr) { -+ retval |= dwc_otg_pcd_handle_i2c_intr(pcd); -+ } -+ if (gintr_status.b.erlysuspend) { -+ retval |= dwc_otg_pcd_handle_early_suspend_intr(pcd); -+ } -+ if (gintr_status.b.usbreset) { -+ retval |= dwc_otg_pcd_handle_usb_reset_intr(pcd); -+ } -+ if (gintr_status.b.enumdone) { -+ retval |= dwc_otg_pcd_handle_enum_done_intr(pcd); -+ } -+ if (gintr_status.b.isooutdrop) { -+ retval |= dwc_otg_pcd_handle_isoc_out_packet_dropped_intr(pcd); -+ } -+ if (gintr_status.b.eopframe) { -+ retval |= dwc_otg_pcd_handle_end_periodic_frame_intr(pcd); -+ } -+ if (gintr_status.b.epmismatch) { -+ retval |= dwc_otg_pcd_handle_ep_mismatch_intr(core_if); -+ } -+ if (gintr_status.b.inepint) { -+ if(!core_if->multiproc_int_enable) { -+ retval |= dwc_otg_pcd_handle_in_ep_intr(pcd); -+ } -+ } -+ if (gintr_status.b.outepintr) { -+ if(!core_if->multiproc_int_enable) { -+ retval |= dwc_otg_pcd_handle_out_ep_intr(pcd); -+ } -+ } -+ if (gintr_status.b.incomplisoin) { -+ retval |= dwc_otg_pcd_handle_incomplete_isoc_in_intr(pcd); -+ } -+ if (gintr_status.b.incomplisoout) { -+ retval |= dwc_otg_pcd_handle_incomplete_isoc_out_intr(pcd); -+ } -+ -+ /* In MPI mode De vice Endpoints intterrupts are asserted -+ * without setting outepintr and inepint bits set, so these -+ * Interrupt handlers are called without checking these bit-fields -+ */ -+ if(core_if->multiproc_int_enable) { -+ retval |= dwc_otg_pcd_handle_in_ep_intr(pcd); -+ retval |= dwc_otg_pcd_handle_out_ep_intr(pcd); -+ } -+#ifdef VERBOSE -+ DWC_DEBUGPL(DBG_PCDV, "%s() gintsts=%0x\n", __func__, -+ dwc_read_reg32(&global_regs->gintsts)); -+#endif -+ SPIN_UNLOCK(&pcd->lock); -+ } -+ -+ S3C2410X_CLEAR_EINTPEND(); -+ -+ return retval; -+} -+ -+#endif /* DWC_HOST_ONLY */ ---- /dev/null -+++ b/drivers/usb/dwc_otg/dwc_otg_regs.h -@@ -0,0 +1,2075 @@ -+/* ========================================================================== -+ * $File: //dwh/usb_iip/dev/software/otg/linux/drivers/dwc_otg_regs.h $ -+ * $Revision: 1.2 $ -+ * $Date: 2008-11-21 05:39:15 $ -+ * $Change: 1099526 $ -+ * -+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, -+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless -+ * otherwise expressly agreed to in writing between Synopsys and you. -+ * -+ * The Software IS NOT an item of Licensed Software or Licensed Product under -+ * any End User Software License Agreement or Agreement for Licensed Product -+ * with Synopsys or any supplement thereto. You are permitted to use and -+ * redistribute this Software in source and binary forms, with or without -+ * modification, provided that redistributions of source code must retain this -+ * notice. You may not view, use, disclose, copy or distribute this file or -+ * any information contained herein except pursuant to this license grant from -+ * Synopsys. If you do not agree with this notice, including the disclaimer -+ * below, then you are not authorized to use the Software. -+ * -+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS -+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, -+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH -+ * DAMAGE. -+ * ========================================================================== */ -+ -+#ifndef __DWC_OTG_REGS_H__ -+#define __DWC_OTG_REGS_H__ -+ -+/** -+ * @file -+ * -+ * This file contains the data structures for accessing the DWC_otg core registers. -+ * -+ * The application interfaces with the HS OTG core by reading from and -+ * writing to the Control and Status Register (CSR) space through the -+ * AHB Slave interface. These registers are 32 bits wide, and the -+ * addresses are 32-bit-block aligned. -+ * CSRs are classified as follows: -+ * - Core Global Registers -+ * - Device Mode Registers -+ * - Device Global Registers -+ * - Device Endpoint Specific Registers -+ * - Host Mode Registers -+ * - Host Global Registers -+ * - Host Port CSRs -+ * - Host Channel Specific Registers -+ * -+ * Only the Core Global registers can be accessed in both Device and -+ * Host modes. When the HS OTG core is operating in one mode, either -+ * Device or Host, the application must not access registers from the -+ * other mode. When the core switches from one mode to another, the -+ * registers in the new mode of operation must be reprogrammed as they -+ * would be after a power-on reset. -+ */ -+ -+/** Maximum number of Periodic FIFOs */ -+#define MAX_PERIO_FIFOS 15 -+/** Maximum number of Transmit FIFOs */ -+#define MAX_TX_FIFOS 15 -+ -+/** Maximum number of Endpoints/HostChannels */ -+#define MAX_EPS_CHANNELS 16 -+ -+/****************************************************************************/ -+/** DWC_otg Core registers . -+ * The dwc_otg_core_global_regs structure defines the size -+ * and relative field offsets for the Core Global registers. -+ */ -+typedef struct dwc_otg_core_global_regs -+{ -+ /** OTG Control and Status Register. <i>Offset: 000h</i> */ -+ volatile uint32_t gotgctl; -+ /** OTG Interrupt Register. <i>Offset: 004h</i> */ -+ volatile uint32_t gotgint; -+ /**Core AHB Configuration Register. <i>Offset: 008h</i> */ -+ volatile uint32_t gahbcfg; -+ -+#define DWC_GLBINTRMASK 0x0001 -+#define DWC_DMAENABLE 0x0020 -+#define DWC_NPTXEMPTYLVL_EMPTY 0x0080 -+#define DWC_NPTXEMPTYLVL_HALFEMPTY 0x0000 -+#define DWC_PTXEMPTYLVL_EMPTY 0x0100 -+#define DWC_PTXEMPTYLVL_HALFEMPTY 0x0000 -+ -+ /**Core USB Configuration Register. <i>Offset: 00Ch</i> */ -+ volatile uint32_t gusbcfg; -+ /**Core Reset Register. <i>Offset: 010h</i> */ -+ volatile uint32_t grstctl; -+ /**Core Interrupt Register. <i>Offset: 014h</i> */ -+ volatile uint32_t gintsts; -+ /**Core Interrupt Mask Register. <i>Offset: 018h</i> */ -+ volatile uint32_t gintmsk; -+ /**Receive Status Queue Read Register (Read Only). <i>Offset: 01Ch</i> */ -+ volatile uint32_t grxstsr; -+ /**Receive Status Queue Read & POP Register (Read Only). <i>Offset: 020h</i>*/ -+ volatile uint32_t grxstsp; -+ /**Receive FIFO Size Register. <i>Offset: 024h</i> */ -+ volatile uint32_t grxfsiz; -+ /**Non Periodic Transmit FIFO Size Register. <i>Offset: 028h</i> */ -+ volatile uint32_t gnptxfsiz; -+ /**Non Periodic Transmit FIFO/Queue Status Register (Read -+ * Only). <i>Offset: 02Ch</i> */ -+ volatile uint32_t gnptxsts; -+ /**I2C Access Register. <i>Offset: 030h</i> */ -+ volatile uint32_t gi2cctl; -+ /**PHY Vendor Control Register. <i>Offset: 034h</i> */ -+ volatile uint32_t gpvndctl; -+ /**General Purpose Input/Output Register. <i>Offset: 038h</i> */ -+ volatile uint32_t ggpio; -+ /**User ID Register. <i>Offset: 03Ch</i> */ -+ volatile uint32_t guid; -+ /**Synopsys ID Register (Read Only). <i>Offset: 040h</i> */ -+ volatile uint32_t gsnpsid; -+ /**User HW Config1 Register (Read Only). <i>Offset: 044h</i> */ -+ volatile uint32_t ghwcfg1; -+ /**User HW Config2 Register (Read Only). <i>Offset: 048h</i> */ -+ volatile uint32_t ghwcfg2; -+#define DWC_SLAVE_ONLY_ARCH 0 -+#define DWC_EXT_DMA_ARCH 1 -+#define DWC_INT_DMA_ARCH 2 -+ -+#define DWC_MODE_HNP_SRP_CAPABLE 0 -+#define DWC_MODE_SRP_ONLY_CAPABLE 1 -+#define DWC_MODE_NO_HNP_SRP_CAPABLE 2 -+#define DWC_MODE_SRP_CAPABLE_DEVICE 3 -+#define DWC_MODE_NO_SRP_CAPABLE_DEVICE 4 -+#define DWC_MODE_SRP_CAPABLE_HOST 5 -+#define DWC_MODE_NO_SRP_CAPABLE_HOST 6 -+ -+ /**User HW Config3 Register (Read Only). <i>Offset: 04Ch</i> */ -+ volatile uint32_t ghwcfg3; -+ /**User HW Config4 Register (Read Only). <i>Offset: 050h</i>*/ -+ volatile uint32_t ghwcfg4; -+ /** Reserved <i>Offset: 054h-0FFh</i> */ -+ volatile uint32_t reserved[43]; -+ /** Host Periodic Transmit FIFO Size Register. <i>Offset: 100h</i> */ -+ volatile uint32_t hptxfsiz; -+ /** Device Periodic Transmit FIFO#n Register if dedicated fifos are disabled, -+ otherwise Device Transmit FIFO#n Register. -+ * <i>Offset: 104h + (FIFO_Number-1)*04h, 1 <= FIFO Number <= 15 (1<=n<=15).</i> */ -+ volatile uint32_t dptxfsiz_dieptxf[15]; -+} dwc_otg_core_global_regs_t; -+ -+/** -+ * This union represents the bit fields of the Core OTG Control -+ * and Status Register (GOTGCTL). Set the bits using the bit -+ * fields then write the <i>d32</i> value to the register. -+ */ -+typedef union gotgctl_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ unsigned sesreqscs : 1; -+ unsigned sesreq : 1; -+ unsigned reserved2_7 : 6; -+ unsigned hstnegscs : 1; -+ unsigned hnpreq : 1; -+ unsigned hstsethnpen : 1; -+ unsigned devhnpen : 1; -+ unsigned reserved12_15 : 4; -+ unsigned conidsts : 1; -+ unsigned reserved17 : 1; -+ unsigned asesvld : 1; -+ unsigned bsesvld : 1; -+ unsigned currmod : 1; -+ unsigned reserved21_31 : 11; -+ } b; -+} gotgctl_data_t; -+ -+/** -+ * This union represents the bit fields of the Core OTG Interrupt Register -+ * (GOTGINT). Set/clear the bits using the bit fields then write the <i>d32</i> -+ * value to the register. -+ */ -+typedef union gotgint_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ /** Current Mode */ -+ unsigned reserved0_1 : 2; -+ -+ /** Session End Detected */ -+ unsigned sesenddet : 1; -+ -+ unsigned reserved3_7 : 5; -+ -+ /** Session Request Success Status Change */ -+ unsigned sesreqsucstschng : 1; -+ /** Host Negotiation Success Status Change */ -+ unsigned hstnegsucstschng : 1; -+ -+ unsigned reserver10_16 : 7; -+ -+ /** Host Negotiation Detected */ -+ unsigned hstnegdet : 1; -+ /** A-Device Timeout Change */ -+ unsigned adevtoutchng : 1; -+ /** Debounce Done */ -+ unsigned debdone : 1; -+ -+ unsigned reserved31_20 : 12; -+ -+ } b; -+} gotgint_data_t; -+ -+ -+/** -+ * This union represents the bit fields of the Core AHB Configuration -+ * Register (GAHBCFG). Set/clear the bits using the bit fields then -+ * write the <i>d32</i> value to the register. -+ */ -+typedef union gahbcfg_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ unsigned glblintrmsk : 1; -+#define DWC_GAHBCFG_GLBINT_ENABLE 1 -+ -+ unsigned hburstlen : 4; -+#define DWC_GAHBCFG_INT_DMA_BURST_SINGLE 0 -+#define DWC_GAHBCFG_INT_DMA_BURST_INCR 1 -+#define DWC_GAHBCFG_INT_DMA_BURST_INCR4 3 -+#define DWC_GAHBCFG_INT_DMA_BURST_INCR8 5 -+#define DWC_GAHBCFG_INT_DMA_BURST_INCR16 7 -+ -+ unsigned dmaenable : 1; -+#define DWC_GAHBCFG_DMAENABLE 1 -+ unsigned reserved : 1; -+ unsigned nptxfemplvl_txfemplvl : 1; -+ unsigned ptxfemplvl : 1; -+#define DWC_GAHBCFG_TXFEMPTYLVL_EMPTY 1 -+#define DWC_GAHBCFG_TXFEMPTYLVL_HALFEMPTY 0 -+ unsigned reserved9_31 : 23; -+ } b; -+} gahbcfg_data_t; -+ -+/** -+ * This union represents the bit fields of the Core USB Configuration -+ * Register (GUSBCFG). Set the bits using the bit fields then write -+ * the <i>d32</i> value to the register. -+ */ -+typedef union gusbcfg_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ unsigned toutcal : 3; -+ unsigned phyif : 1; -+ unsigned ulpi_utmi_sel : 1; -+ unsigned fsintf : 1; -+ unsigned physel : 1; -+ unsigned ddrsel : 1; -+ unsigned srpcap : 1; -+ unsigned hnpcap : 1; -+ unsigned usbtrdtim : 4; -+ unsigned nptxfrwnden : 1; -+ unsigned phylpwrclksel : 1; -+ unsigned otgutmifssel : 1; -+ unsigned ulpi_fsls : 1; -+ unsigned ulpi_auto_res : 1; -+ unsigned ulpi_clk_sus_m : 1; -+ unsigned ulpi_ext_vbus_drv : 1; -+ unsigned ulpi_int_vbus_indicator : 1; -+ unsigned term_sel_dl_pulse : 1; -+ unsigned reserved23_27 : 5; -+ unsigned tx_end_delay : 1; -+ unsigned reserved29_31 : 3; -+ } b; -+} gusbcfg_data_t; -+ -+/** -+ * This union represents the bit fields of the Core Reset Register -+ * (GRSTCTL). Set/clear the bits using the bit fields then write the -+ * <i>d32</i> value to the register. -+ */ -+typedef union grstctl_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ /** Core Soft Reset (CSftRst) (Device and Host) -+ * -+ * The application can flush the control logic in the -+ * entire core using this bit. This bit resets the -+ * pipelines in the AHB Clock domain as well as the -+ * PHY Clock domain. -+ * -+ * The state machines are reset to an IDLE state, the -+ * control bits in the CSRs are cleared, all the -+ * transmit FIFOs and the receive FIFO are flushed. -+ * -+ * The status mask bits that control the generation of -+ * the interrupt, are cleared, to clear the -+ * interrupt. The interrupt status bits are not -+ * cleared, so the application can get the status of -+ * any events that occurred in the core after it has -+ * set this bit. -+ * -+ * Any transactions on the AHB are terminated as soon -+ * as possible following the protocol. Any -+ * transactions on the USB are terminated immediately. -+ * -+ * The configuration settings in the CSRs are -+ * unchanged, so the software doesn't have to -+ * reprogram these registers (Device -+ * Configuration/Host Configuration/Core System -+ * Configuration/Core PHY Configuration). -+ * -+ * The application can write to this bit, any time it -+ * wants to reset the core. This is a self clearing -+ * bit and the core clears this bit after all the -+ * necessary logic is reset in the core, which may -+ * take several clocks, depending on the current state -+ * of the core. -+ */ -+ unsigned csftrst : 1; -+ /** Hclk Soft Reset -+ * -+ * The application uses this bit to reset the control logic in -+ * the AHB clock domain. Only AHB clock domain pipelines are -+ * reset. -+ */ -+ unsigned hsftrst : 1; -+ /** Host Frame Counter Reset (Host Only)<br> -+ * -+ * The application can reset the (micro)frame number -+ * counter inside the core, using this bit. When the -+ * (micro)frame counter is reset, the subsequent SOF -+ * sent out by the core, will have a (micro)frame -+ * number of 0. -+ */ -+ unsigned hstfrm : 1; -+ /** In Token Sequence Learning Queue Flush -+ * (INTknQFlsh) (Device Only) -+ */ -+ unsigned intknqflsh : 1; -+ /** RxFIFO Flush (RxFFlsh) (Device and Host) -+ * -+ * The application can flush the entire Receive FIFO -+ * using this bit. <p>The application must first -+ * ensure that the core is not in the middle of a -+ * transaction. <p>The application should write into -+ * this bit, only after making sure that neither the -+ * DMA engine is reading from the RxFIFO nor the MAC -+ * is writing the data in to the FIFO. <p>The -+ * application should wait until the bit is cleared -+ * before performing any other operations. This bit -+ * will takes 8 clocks (slowest of PHY or AHB clock) -+ * to clear. -+ */ -+ unsigned rxfflsh : 1; -+ /** TxFIFO Flush (TxFFlsh) (Device and Host). -+ * -+ * This bit is used to selectively flush a single or -+ * all transmit FIFOs. The application must first -+ * ensure that the core is not in the middle of a -+ * transaction. <p>The application should write into -+ * this bit, only after making sure that neither the -+ * DMA engine is writing into the TxFIFO nor the MAC -+ * is reading the data out of the FIFO. <p>The -+ * application should wait until the core clears this -+ * bit, before performing any operations. This bit -+ * will takes 8 clocks (slowest of PHY or AHB clock) -+ * to clear. -+ */ -+ unsigned txfflsh : 1; -+ -+ /** TxFIFO Number (TxFNum) (Device and Host). -+ * -+ * This is the FIFO number which needs to be flushed, -+ * using the TxFIFO Flush bit. This field should not -+ * be changed until the TxFIFO Flush bit is cleared by -+ * the core. -+ * - 0x0 : Non Periodic TxFIFO Flush -+ * - 0x1 : Periodic TxFIFO #1 Flush in device mode -+ * or Periodic TxFIFO in host mode -+ * - 0x2 : Periodic TxFIFO #2 Flush in device mode. -+ * - ... -+ * - 0xF : Periodic TxFIFO #15 Flush in device mode -+ * - 0x10: Flush all the Transmit NonPeriodic and -+ * Transmit Periodic FIFOs in the core -+ */ -+ unsigned txfnum : 5; -+ /** Reserved */ -+ unsigned reserved11_29 : 19; -+ /** DMA Request Signal. Indicated DMA request is in -+ * probress. Used for debug purpose. */ -+ unsigned dmareq : 1; -+ /** AHB Master Idle. Indicates the AHB Master State -+ * Machine is in IDLE condition. */ -+ unsigned ahbidle : 1; -+ } b; -+} grstctl_t; -+ -+ -+/** -+ * This union represents the bit fields of the Core Interrupt Mask -+ * Register (GINTMSK). Set/clear the bits using the bit fields then -+ * write the <i>d32</i> value to the register. -+ */ -+typedef union gintmsk_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ unsigned reserved0 : 1; -+ unsigned modemismatch : 1; -+ unsigned otgintr : 1; -+ unsigned sofintr : 1; -+ unsigned rxstsqlvl : 1; -+ unsigned nptxfempty : 1; -+ unsigned ginnakeff : 1; -+ unsigned goutnakeff : 1; -+ unsigned reserved8 : 1; -+ unsigned i2cintr : 1; -+ unsigned erlysuspend : 1; -+ unsigned usbsuspend : 1; -+ unsigned usbreset : 1; -+ unsigned enumdone : 1; -+ unsigned isooutdrop : 1; -+ unsigned eopframe : 1; -+ unsigned reserved16 : 1; -+ unsigned epmismatch : 1; -+ unsigned inepintr : 1; -+ unsigned outepintr : 1; -+ unsigned incomplisoin : 1; -+ unsigned incomplisoout : 1; -+ unsigned reserved22_23 : 2; -+ unsigned portintr : 1; -+ unsigned hcintr : 1; -+ unsigned ptxfempty : 1; -+ unsigned reserved27 : 1; -+ unsigned conidstschng : 1; -+ unsigned disconnect : 1; -+ unsigned sessreqintr : 1; -+ unsigned wkupintr : 1; -+ } b; -+} gintmsk_data_t; -+/** -+ * This union represents the bit fields of the Core Interrupt Register -+ * (GINTSTS). Set/clear the bits using the bit fields then write the -+ * <i>d32</i> value to the register. -+ */ -+typedef union gintsts_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+#define DWC_SOF_INTR_MASK 0x0008 -+ /** register bits */ -+ struct -+ { -+#define DWC_HOST_MODE 1 -+ unsigned curmode : 1; -+ unsigned modemismatch : 1; -+ unsigned otgintr : 1; -+ unsigned sofintr : 1; -+ unsigned rxstsqlvl : 1; -+ unsigned nptxfempty : 1; -+ unsigned ginnakeff : 1; -+ unsigned goutnakeff : 1; -+ unsigned reserved8 : 1; -+ unsigned i2cintr : 1; -+ unsigned erlysuspend : 1; -+ unsigned usbsuspend : 1; -+ unsigned usbreset : 1; -+ unsigned enumdone : 1; -+ unsigned isooutdrop : 1; -+ unsigned eopframe : 1; -+ unsigned intokenrx : 1; -+ unsigned epmismatch : 1; -+ unsigned inepint: 1; -+ unsigned outepintr : 1; -+ unsigned incomplisoin : 1; -+ unsigned incomplisoout : 1; -+ unsigned reserved22_23 : 2; -+ unsigned portintr : 1; -+ unsigned hcintr : 1; -+ unsigned ptxfempty : 1; -+ unsigned reserved27 : 1; -+ unsigned conidstschng : 1; -+ unsigned disconnect : 1; -+ unsigned sessreqintr : 1; -+ unsigned wkupintr : 1; -+ } b; -+} gintsts_data_t; -+ -+ -+/** -+ * This union represents the bit fields in the Device Receive Status Read and -+ * Pop Registers (GRXSTSR, GRXSTSP) Read the register into the <i>d32</i> -+ * element then read out the bits using the <i>b</i>it elements. -+ */ -+typedef union device_grxsts_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ unsigned epnum : 4; -+ unsigned bcnt : 11; -+ unsigned dpid : 2; -+ -+#define DWC_STS_DATA_UPDT 0x2 // OUT Data Packet -+#define DWC_STS_XFER_COMP 0x3 // OUT Data Transfer Complete -+ -+#define DWC_DSTS_GOUT_NAK 0x1 // Global OUT NAK -+#define DWC_DSTS_SETUP_COMP 0x4 // Setup Phase Complete -+#define DWC_DSTS_SETUP_UPDT 0x6 // SETUP Packet -+ unsigned pktsts : 4; -+ unsigned fn : 4; -+ unsigned reserved : 7; -+ } b; -+} device_grxsts_data_t; -+ -+/** -+ * This union represents the bit fields in the Host Receive Status Read and -+ * Pop Registers (GRXSTSR, GRXSTSP) Read the register into the <i>d32</i> -+ * element then read out the bits using the <i>b</i>it elements. -+ */ -+typedef union host_grxsts_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ unsigned chnum : 4; -+ unsigned bcnt : 11; -+ unsigned dpid : 2; -+ -+ unsigned pktsts : 4; -+#define DWC_GRXSTS_PKTSTS_IN 0x2 -+#define DWC_GRXSTS_PKTSTS_IN_XFER_COMP 0x3 -+#define DWC_GRXSTS_PKTSTS_DATA_TOGGLE_ERR 0x5 -+#define DWC_GRXSTS_PKTSTS_CH_HALTED 0x7 -+ -+ unsigned reserved : 11; -+ } b; -+} host_grxsts_data_t; -+ -+/** -+ * This union represents the bit fields in the FIFO Size Registers (HPTXFSIZ, -+ * GNPTXFSIZ, DPTXFSIZn, DIEPTXFn). Read the register into the <i>d32</i> element then -+ * read out the bits using the <i>b</i>it elements. -+ */ -+typedef union fifosize_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ unsigned startaddr : 16; -+ unsigned depth : 16; -+ } b; -+} fifosize_data_t; -+ -+/** -+ * This union represents the bit fields in the Non-Periodic Transmit -+ * FIFO/Queue Status Register (GNPTXSTS). Read the register into the -+ * <i>d32</i> element then read out the bits using the <i>b</i>it -+ * elements. -+ */ -+typedef union gnptxsts_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ unsigned nptxfspcavail : 16; -+ unsigned nptxqspcavail : 8; -+ /** Top of the Non-Periodic Transmit Request Queue -+ * - bit 24 - Terminate (Last entry for the selected -+ * channel/EP) -+ * - bits 26:25 - Token Type -+ * - 2'b00 - IN/OUT -+ * - 2'b01 - Zero Length OUT -+ * - 2'b10 - PING/Complete Split -+ * - 2'b11 - Channel Halt -+ * - bits 30:27 - Channel/EP Number -+ */ -+ unsigned nptxqtop_terminate : 1; -+ unsigned nptxqtop_token : 2; -+ unsigned nptxqtop_chnep : 4; -+ unsigned reserved : 1; -+ } b; -+} gnptxsts_data_t; -+ -+/** -+ * This union represents the bit fields in the Transmit -+ * FIFO Status Register (DTXFSTS). Read the register into the -+ * <i>d32</i> element then read out the bits using the <i>b</i>it -+ * elements. -+ */ -+typedef union dtxfsts_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ unsigned txfspcavail : 16; -+ unsigned reserved : 16; -+ } b; -+} dtxfsts_data_t; -+ -+/** -+ * This union represents the bit fields in the I2C Control Register -+ * (I2CCTL). Read the register into the <i>d32</i> element then read out the -+ * bits using the <i>b</i>it elements. -+ */ -+typedef union gi2cctl_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ unsigned rwdata : 8; -+ unsigned regaddr : 8; -+ unsigned addr : 7; -+ unsigned i2cen : 1; -+ unsigned ack : 1; -+ unsigned i2csuspctl : 1; -+ unsigned i2cdevaddr : 2; -+ unsigned reserved : 2; -+ unsigned rw : 1; -+ unsigned bsydne : 1; -+ } b; -+} gi2cctl_data_t; -+ -+/** -+ * This union represents the bit fields in the User HW Config1 -+ * Register. Read the register into the <i>d32</i> element then read -+ * out the bits using the <i>b</i>it elements. -+ */ -+typedef union hwcfg1_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ unsigned ep_dir0 : 2; -+ unsigned ep_dir1 : 2; -+ unsigned ep_dir2 : 2; -+ unsigned ep_dir3 : 2; -+ unsigned ep_dir4 : 2; -+ unsigned ep_dir5 : 2; -+ unsigned ep_dir6 : 2; -+ unsigned ep_dir7 : 2; -+ unsigned ep_dir8 : 2; -+ unsigned ep_dir9 : 2; -+ unsigned ep_dir10 : 2; -+ unsigned ep_dir11 : 2; -+ unsigned ep_dir12 : 2; -+ unsigned ep_dir13 : 2; -+ unsigned ep_dir14 : 2; -+ unsigned ep_dir15 : 2; -+ } b; -+} hwcfg1_data_t; -+ -+/** -+ * This union represents the bit fields in the User HW Config2 -+ * Register. Read the register into the <i>d32</i> element then read -+ * out the bits using the <i>b</i>it elements. -+ */ -+typedef union hwcfg2_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ /* GHWCFG2 */ -+ unsigned op_mode : 3; -+#define DWC_HWCFG2_OP_MODE_HNP_SRP_CAPABLE_OTG 0 -+#define DWC_HWCFG2_OP_MODE_SRP_ONLY_CAPABLE_OTG 1 -+#define DWC_HWCFG2_OP_MODE_NO_HNP_SRP_CAPABLE_OTG 2 -+#define DWC_HWCFG2_OP_MODE_SRP_CAPABLE_DEVICE 3 -+#define DWC_HWCFG2_OP_MODE_NO_SRP_CAPABLE_DEVICE 4 -+#define DWC_HWCFG2_OP_MODE_SRP_CAPABLE_HOST 5 -+#define DWC_HWCFG2_OP_MODE_NO_SRP_CAPABLE_HOST 6 -+ -+ unsigned architecture : 2; -+ unsigned point2point : 1; -+ unsigned hs_phy_type : 2; -+#define DWC_HWCFG2_HS_PHY_TYPE_NOT_SUPPORTED 0 -+#define DWC_HWCFG2_HS_PHY_TYPE_UTMI 1 -+#define DWC_HWCFG2_HS_PHY_TYPE_ULPI 2 -+#define DWC_HWCFG2_HS_PHY_TYPE_UTMI_ULPI 3 -+ -+ unsigned fs_phy_type : 2; -+ unsigned num_dev_ep : 4; -+ unsigned num_host_chan : 4; -+ unsigned perio_ep_supported : 1; -+ unsigned dynamic_fifo : 1; -+ unsigned multi_proc_int : 1; -+ unsigned reserved21 : 1; -+ unsigned nonperio_tx_q_depth : 2; -+ unsigned host_perio_tx_q_depth : 2; -+ unsigned dev_token_q_depth : 5; -+ unsigned reserved31 : 1; -+ } b; -+} hwcfg2_data_t; -+ -+/** -+ * This union represents the bit fields in the User HW Config3 -+ * Register. Read the register into the <i>d32</i> element then read -+ * out the bits using the <i>b</i>it elements. -+ */ -+typedef union hwcfg3_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ /* GHWCFG3 */ -+ unsigned xfer_size_cntr_width : 4; -+ unsigned packet_size_cntr_width : 3; -+ unsigned otg_func : 1; -+ unsigned i2c : 1; -+ unsigned vendor_ctrl_if : 1; -+ unsigned optional_features : 1; -+ unsigned synch_reset_type : 1; -+ unsigned ahb_phy_clock_synch : 1; -+ unsigned reserved15_13 : 3; -+ unsigned dfifo_depth : 16; -+ } b; -+} hwcfg3_data_t; -+ -+/** -+ * This union represents the bit fields in the User HW Config4 -+ * Register. Read the register into the <i>d32</i> element then read -+ * out the bits using the <i>b</i>it elements. -+ */ -+typedef union hwcfg4_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ unsigned num_dev_perio_in_ep : 4; -+ unsigned power_optimiz : 1; -+ unsigned min_ahb_freq : 9; -+ unsigned utmi_phy_data_width : 2; -+ unsigned num_dev_mode_ctrl_ep : 4; -+ unsigned iddig_filt_en : 1; -+ unsigned vbus_valid_filt_en : 1; -+ unsigned a_valid_filt_en : 1; -+ unsigned b_valid_filt_en : 1; -+ unsigned session_end_filt_en : 1; -+ unsigned ded_fifo_en : 1; -+ unsigned num_in_eps : 4; -+ unsigned desc_dma : 1; -+ unsigned desc_dma_dyn : 1; -+ } b; -+} hwcfg4_data_t; -+ -+//////////////////////////////////////////// -+// Device Registers -+/** -+ * Device Global Registers. <i>Offsets 800h-BFFh</i> -+ * -+ * The following structures define the size and relative field offsets -+ * for the Device Mode Registers. -+ * -+ * <i>These registers are visible only in Device mode and must not be -+ * accessed in Host mode, as the results are unknown.</i> -+ */ -+typedef struct dwc_otg_dev_global_regs -+{ -+ /** Device Configuration Register. <i>Offset 800h</i> */ -+ volatile uint32_t dcfg; -+ /** Device Control Register. <i>Offset: 804h</i> */ -+ volatile uint32_t dctl; -+ /** Device Status Register (Read Only). <i>Offset: 808h</i> */ -+ volatile uint32_t dsts; -+ /** Reserved. <i>Offset: 80Ch</i> */ -+ uint32_t unused; -+ /** Device IN Endpoint Common Interrupt Mask -+ * Register. <i>Offset: 810h</i> */ -+ volatile uint32_t diepmsk; -+ /** Device OUT Endpoint Common Interrupt Mask -+ * Register. <i>Offset: 814h</i> */ -+ volatile uint32_t doepmsk; -+ /** Device All Endpoints Interrupt Register. <i>Offset: 818h</i> */ -+ volatile uint32_t daint; -+ /** Device All Endpoints Interrupt Mask Register. <i>Offset: -+ * 81Ch</i> */ -+ volatile uint32_t daintmsk; -+ /** Device IN Token Queue Read Register-1 (Read Only). -+ * <i>Offset: 820h</i> */ -+ volatile uint32_t dtknqr1; -+ /** Device IN Token Queue Read Register-2 (Read Only). -+ * <i>Offset: 824h</i> */ -+ volatile uint32_t dtknqr2; -+ /** Device VBUS discharge Register. <i>Offset: 828h</i> */ -+ volatile uint32_t dvbusdis; -+ /** Device VBUS Pulse Register. <i>Offset: 82Ch</i> */ -+ volatile uint32_t dvbuspulse; -+ /** Device IN Token Queue Read Register-3 (Read Only). / -+ * Device Thresholding control register (Read/Write) -+ * <i>Offset: 830h</i> */ -+ volatile uint32_t dtknqr3_dthrctl; -+ /** Device IN Token Queue Read Register-4 (Read Only). / -+ * Device IN EPs empty Inr. Mask Register (Read/Write) -+ * <i>Offset: 834h</i> */ -+ volatile uint32_t dtknqr4_fifoemptymsk; -+ /** Device Each Endpoint Interrupt Register (Read Only). / -+ * <i>Offset: 838h</i> */ -+ volatile uint32_t deachint; -+ /** Device Each Endpoint Interrupt mask Register (Read/Write). / -+ * <i>Offset: 83Ch</i> */ -+ volatile uint32_t deachintmsk; -+ /** Device Each In Endpoint Interrupt mask Register (Read/Write). / -+ * <i>Offset: 840h</i> */ -+ volatile uint32_t diepeachintmsk[MAX_EPS_CHANNELS]; -+ /** Device Each Out Endpoint Interrupt mask Register (Read/Write). / -+ * <i>Offset: 880h</i> */ -+ volatile uint32_t doepeachintmsk[MAX_EPS_CHANNELS]; -+} dwc_otg_device_global_regs_t; -+ -+/** -+ * This union represents the bit fields in the Device Configuration -+ * Register. Read the register into the <i>d32</i> member then -+ * set/clear the bits using the <i>b</i>it elements. Write the -+ * <i>d32</i> member to the dcfg register. -+ */ -+typedef union dcfg_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ /** Device Speed */ -+ unsigned devspd : 2; -+ /** Non Zero Length Status OUT Handshake */ -+ unsigned nzstsouthshk : 1; -+#define DWC_DCFG_SEND_STALL 1 -+ -+ unsigned reserved3 : 1; -+ /** Device Addresses */ -+ unsigned devaddr : 7; -+ /** Periodic Frame Interval */ -+ unsigned perfrint : 2; -+#define DWC_DCFG_FRAME_INTERVAL_80 0 -+#define DWC_DCFG_FRAME_INTERVAL_85 1 -+#define DWC_DCFG_FRAME_INTERVAL_90 2 -+#define DWC_DCFG_FRAME_INTERVAL_95 3 -+ -+ unsigned reserved13_17 : 5; -+ /** In Endpoint Mis-match count */ -+ unsigned epmscnt : 5; -+ /** Enable Descriptor DMA in Device mode */ -+ unsigned descdma : 1; -+ } b; -+} dcfg_data_t; -+ -+/** -+ * This union represents the bit fields in the Device Control -+ * Register. Read the register into the <i>d32</i> member then -+ * set/clear the bits using the <i>b</i>it elements. -+ */ -+typedef union dctl_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ /** Remote Wakeup */ -+ unsigned rmtwkupsig : 1; -+ /** Soft Disconnect */ -+ unsigned sftdiscon : 1; -+ /** Global Non-Periodic IN NAK Status */ -+ unsigned gnpinnaksts : 1; -+ /** Global OUT NAK Status */ -+ unsigned goutnaksts : 1; -+ /** Test Control */ -+ unsigned tstctl : 3; -+ /** Set Global Non-Periodic IN NAK */ -+ unsigned sgnpinnak : 1; -+ /** Clear Global Non-Periodic IN NAK */ -+ unsigned cgnpinnak : 1; -+ /** Set Global OUT NAK */ -+ unsigned sgoutnak : 1; -+ /** Clear Global OUT NAK */ -+ unsigned cgoutnak : 1; -+ -+ /** Power-On Programming Done */ -+ unsigned pwronprgdone : 1; -+ /** Global Continue on BNA */ -+ unsigned gcontbna : 1; -+ /** Global Multi Count */ -+ unsigned gmc : 2; -+ /** Ignore Frame Number for ISOC EPs */ -+ unsigned ifrmnum : 1; -+ /** NAK on Babble */ -+ unsigned nakonbble : 1; -+ -+ unsigned reserved16_31 : 16; -+ } b; -+} dctl_data_t; -+ -+/** -+ * This union represents the bit fields in the Device Status -+ * Register. Read the register into the <i>d32</i> member then -+ * set/clear the bits using the <i>b</i>it elements. -+ */ -+typedef union dsts_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ /** Suspend Status */ -+ unsigned suspsts : 1; -+ /** Enumerated Speed */ -+ unsigned enumspd : 2; -+#define DWC_DSTS_ENUMSPD_HS_PHY_30MHZ_OR_60MHZ 0 -+#define DWC_DSTS_ENUMSPD_FS_PHY_30MHZ_OR_60MHZ 1 -+#define DWC_DSTS_ENUMSPD_LS_PHY_6MHZ 2 -+#define DWC_DSTS_ENUMSPD_FS_PHY_48MHZ 3 -+ /** Erratic Error */ -+ unsigned errticerr : 1; -+ unsigned reserved4_7: 4; -+ /** Frame or Microframe Number of the received SOF */ -+ unsigned soffn : 14; -+ unsigned reserved22_31 : 10; -+ } b; -+} dsts_data_t; -+ -+ -+/** -+ * This union represents the bit fields in the Device IN EP Interrupt -+ * Register and the Device IN EP Common Mask Register. -+ * -+ * - Read the register into the <i>d32</i> member then set/clear the -+ * bits using the <i>b</i>it elements. -+ */ -+typedef union diepint_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ /** Transfer complete mask */ -+ unsigned xfercompl : 1; -+ /** Endpoint disable mask */ -+ unsigned epdisabled : 1; -+ /** AHB Error mask */ -+ unsigned ahberr : 1; -+ /** TimeOUT Handshake mask (non-ISOC EPs) */ -+ unsigned timeout : 1; -+ /** IN Token received with TxF Empty mask */ -+ unsigned intktxfemp : 1; -+ /** IN Token Received with EP mismatch mask */ -+ unsigned intknepmis : 1; -+ /** IN Endpoint HAK Effective mask */ -+ unsigned inepnakeff : 1; -+ /** IN Endpoint HAK Effective mask */ -+ unsigned emptyintr : 1; -+ -+ unsigned txfifoundrn : 1; -+ -+ /** BNA Interrupt mask */ -+ unsigned bna : 1; -+ -+ unsigned reserved10_12 : 3; -+ /** BNA Interrupt mask */ -+ unsigned nak : 1; -+ -+ unsigned reserved14_31 : 18; -+ } b; -+} diepint_data_t; -+ -+/** -+ * This union represents the bit fields in the Device IN EP -+ * Common/Dedicated Interrupt Mask Register. -+ */ -+typedef union diepint_data diepmsk_data_t; -+ -+/** -+ * This union represents the bit fields in the Device OUT EP Interrupt -+ * Registerand Device OUT EP Common Interrupt Mask Register. -+ * -+ * - Read the register into the <i>d32</i> member then set/clear the -+ * bits using the <i>b</i>it elements. -+ */ -+typedef union doepint_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ /** Transfer complete */ -+ unsigned xfercompl : 1; -+ /** Endpoint disable */ -+ unsigned epdisabled : 1; -+ /** AHB Error */ -+ unsigned ahberr : 1; -+ /** Setup Phase Done (contorl EPs) */ -+ unsigned setup : 1; -+ /** OUT Token Received when Endpoint Disabled */ -+ unsigned outtknepdis : 1; -+ -+ unsigned stsphsercvd : 1; -+ /** Back-to-Back SETUP Packets Received */ -+ unsigned back2backsetup : 1; -+ -+ unsigned reserved7 : 1; -+ /** OUT packet Error */ -+ unsigned outpkterr : 1; -+ /** BNA Interrupt */ -+ unsigned bna : 1; -+ -+ unsigned reserved10 : 1; -+ /** Packet Drop Status */ -+ unsigned pktdrpsts : 1; -+ /** Babble Interrupt */ -+ unsigned babble : 1; -+ /** NAK Interrupt */ -+ unsigned nak : 1; -+ /** NYET Interrupt */ -+ unsigned nyet : 1; -+ -+ unsigned reserved15_31 : 17; -+ } b; -+} doepint_data_t; -+ -+/** -+ * This union represents the bit fields in the Device OUT EP -+ * Common/Dedicated Interrupt Mask Register. -+ */ -+typedef union doepint_data doepmsk_data_t; -+ -+/** -+ * This union represents the bit fields in the Device All EP Interrupt -+ * and Mask Registers. -+ * - Read the register into the <i>d32</i> member then set/clear the -+ * bits using the <i>b</i>it elements. -+ */ -+typedef union daint_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ /** IN Endpoint bits */ -+ unsigned in : 16; -+ /** OUT Endpoint bits */ -+ unsigned out : 16; -+ } ep; -+ struct -+ { -+ /** IN Endpoint bits */ -+ unsigned inep0 : 1; -+ unsigned inep1 : 1; -+ unsigned inep2 : 1; -+ unsigned inep3 : 1; -+ unsigned inep4 : 1; -+ unsigned inep5 : 1; -+ unsigned inep6 : 1; -+ unsigned inep7 : 1; -+ unsigned inep8 : 1; -+ unsigned inep9 : 1; -+ unsigned inep10 : 1; -+ unsigned inep11 : 1; -+ unsigned inep12 : 1; -+ unsigned inep13 : 1; -+ unsigned inep14 : 1; -+ unsigned inep15 : 1; -+ /** OUT Endpoint bits */ -+ unsigned outep0 : 1; -+ unsigned outep1 : 1; -+ unsigned outep2 : 1; -+ unsigned outep3 : 1; -+ unsigned outep4 : 1; -+ unsigned outep5 : 1; -+ unsigned outep6 : 1; -+ unsigned outep7 : 1; -+ unsigned outep8 : 1; -+ unsigned outep9 : 1; -+ unsigned outep10 : 1; -+ unsigned outep11 : 1; -+ unsigned outep12 : 1; -+ unsigned outep13 : 1; -+ unsigned outep14 : 1; -+ unsigned outep15 : 1; -+ } b; -+} daint_data_t; -+ -+/** -+ * This union represents the bit fields in the Device IN Token Queue -+ * Read Registers. -+ * - Read the register into the <i>d32</i> member. -+ * - READ-ONLY Register -+ */ -+typedef union dtknq1_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ /** In Token Queue Write Pointer */ -+ unsigned intknwptr : 5; -+ /** Reserved */ -+ unsigned reserved05_06 : 2; -+ /** write pointer has wrapped. */ -+ unsigned wrap_bit : 1; -+ /** EP Numbers of IN Tokens 0 ... 4 */ -+ unsigned epnums0_5 : 24; -+ }b; -+} dtknq1_data_t; -+ -+/** -+ * This union represents Threshold control Register -+ * - Read and write the register into the <i>d32</i> member. -+ * - READ-WRITABLE Register -+ */ -+typedef union dthrctl_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ /** non ISO Tx Thr. Enable */ -+ unsigned non_iso_thr_en : 1; -+ /** ISO Tx Thr. Enable */ -+ unsigned iso_thr_en : 1; -+ /** Tx Thr. Length */ -+ unsigned tx_thr_len : 9; -+ /** Reserved */ -+ unsigned reserved11_15 : 5; -+ /** Rx Thr. Enable */ -+ unsigned rx_thr_en : 1; -+ /** Rx Thr. Length */ -+ unsigned rx_thr_len : 9; -+ /** Reserved */ -+ unsigned reserved26_31 : 6; -+ }b; -+} dthrctl_data_t; -+ -+ -+/** -+ * Device Logical IN Endpoint-Specific Registers. <i>Offsets -+ * 900h-AFCh</i> -+ * -+ * There will be one set of endpoint registers per logical endpoint -+ * implemented. -+ * -+ * <i>These registers are visible only in Device mode and must not be -+ * accessed in Host mode, as the results are unknown.</i> -+ */ -+typedef struct dwc_otg_dev_in_ep_regs -+{ -+ /** Device IN Endpoint Control Register. <i>Offset:900h + -+ * (ep_num * 20h) + 00h</i> */ -+ volatile uint32_t diepctl; -+ /** Reserved. <i>Offset:900h + (ep_num * 20h) + 04h</i> */ -+ uint32_t reserved04; -+ /** Device IN Endpoint Interrupt Register. <i>Offset:900h + -+ * (ep_num * 20h) + 08h</i> */ -+ volatile uint32_t diepint; -+ /** Reserved. <i>Offset:900h + (ep_num * 20h) + 0Ch</i> */ -+ uint32_t reserved0C; -+ /** Device IN Endpoint Transfer Size -+ * Register. <i>Offset:900h + (ep_num * 20h) + 10h</i> */ -+ volatile uint32_t dieptsiz; -+ /** Device IN Endpoint DMA Address Register. <i>Offset:900h + -+ * (ep_num * 20h) + 14h</i> */ -+ volatile uint32_t diepdma; -+ /** Device IN Endpoint Transmit FIFO Status Register. <i>Offset:900h + -+ * (ep_num * 20h) + 18h</i> */ -+ volatile uint32_t dtxfsts; -+ /** Device IN Endpoint DMA Buffer Register. <i>Offset:900h + -+ * (ep_num * 20h) + 1Ch</i> */ -+ volatile uint32_t diepdmab; -+} dwc_otg_dev_in_ep_regs_t; -+ -+/** -+ * Device Logical OUT Endpoint-Specific Registers. <i>Offsets: -+ * B00h-CFCh</i> -+ * -+ * There will be one set of endpoint registers per logical endpoint -+ * implemented. -+ * -+ * <i>These registers are visible only in Device mode and must not be -+ * accessed in Host mode, as the results are unknown.</i> -+ */ -+typedef struct dwc_otg_dev_out_ep_regs -+{ -+ /** Device OUT Endpoint Control Register. <i>Offset:B00h + -+ * (ep_num * 20h) + 00h</i> */ -+ volatile uint32_t doepctl; -+ /** Device OUT Endpoint Frame number Register. <i>Offset: -+ * B00h + (ep_num * 20h) + 04h</i> */ -+ volatile uint32_t doepfn; -+ /** Device OUT Endpoint Interrupt Register. <i>Offset:B00h + -+ * (ep_num * 20h) + 08h</i> */ -+ volatile uint32_t doepint; -+ /** Reserved. <i>Offset:B00h + (ep_num * 20h) + 0Ch</i> */ -+ uint32_t reserved0C; -+ /** Device OUT Endpoint Transfer Size Register. <i>Offset: -+ * B00h + (ep_num * 20h) + 10h</i> */ -+ volatile uint32_t doeptsiz; -+ /** Device OUT Endpoint DMA Address Register. <i>Offset:B00h -+ * + (ep_num * 20h) + 14h</i> */ -+ volatile uint32_t doepdma; -+ /** Reserved. <i>Offset:B00h + * (ep_num * 20h) + 1Ch</i> */ -+ uint32_t unused; -+ /** Device OUT Endpoint DMA Buffer Register. <i>Offset:B00h -+ * + (ep_num * 20h) + 1Ch</i> */ -+ uint32_t doepdmab; -+} dwc_otg_dev_out_ep_regs_t; -+ -+/** -+ * This union represents the bit fields in the Device EP Control -+ * Register. Read the register into the <i>d32</i> member then -+ * set/clear the bits using the <i>b</i>it elements. -+ */ -+typedef union depctl_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ /** Maximum Packet Size -+ * IN/OUT EPn -+ * IN/OUT EP0 - 2 bits -+ * 2'b00: 64 Bytes -+ * 2'b01: 32 -+ * 2'b10: 16 -+ * 2'b11: 8 */ -+ unsigned mps : 11; -+#define DWC_DEP0CTL_MPS_64 0 -+#define DWC_DEP0CTL_MPS_32 1 -+#define DWC_DEP0CTL_MPS_16 2 -+#define DWC_DEP0CTL_MPS_8 3 -+ -+ /** Next Endpoint -+ * IN EPn/IN EP0 -+ * OUT EPn/OUT EP0 - reserved */ -+ unsigned nextep : 4; -+ -+ /** USB Active Endpoint */ -+ unsigned usbactep : 1; -+ -+ /** Endpoint DPID (INTR/Bulk IN and OUT endpoints) -+ * This field contains the PID of the packet going to -+ * be received or transmitted on this endpoint. The -+ * application should program the PID of the first -+ * packet going to be received or transmitted on this -+ * endpoint , after the endpoint is -+ * activated. Application use the SetD1PID and -+ * SetD0PID fields of this register to program either -+ * D0 or D1 PID. -+ * -+ * The encoding for this field is -+ * - 0: D0 -+ * - 1: D1 -+ */ -+ unsigned dpid : 1; -+ -+ /** NAK Status */ -+ unsigned naksts : 1; -+ -+ /** Endpoint Type -+ * 2'b00: Control -+ * 2'b01: Isochronous -+ * 2'b10: Bulk -+ * 2'b11: Interrupt */ -+ unsigned eptype : 2; -+ -+ /** Snoop Mode -+ * OUT EPn/OUT EP0 -+ * IN EPn/IN EP0 - reserved */ -+ unsigned snp : 1; -+ -+ /** Stall Handshake */ -+ unsigned stall : 1; -+ -+ /** Tx Fifo Number -+ * IN EPn/IN EP0 -+ * OUT EPn/OUT EP0 - reserved */ -+ unsigned txfnum : 4; -+ -+ /** Clear NAK */ -+ unsigned cnak : 1; -+ /** Set NAK */ -+ unsigned snak : 1; -+ /** Set DATA0 PID (INTR/Bulk IN and OUT endpoints) -+ * Writing to this field sets the Endpoint DPID (DPID) -+ * field in this register to DATA0. Set Even -+ * (micro)frame (SetEvenFr) (ISO IN and OUT Endpoints) -+ * Writing to this field sets the Even/Odd -+ * (micro)frame (EO_FrNum) field to even (micro) -+ * frame. -+ */ -+ unsigned setd0pid : 1; -+ /** Set DATA1 PID (INTR/Bulk IN and OUT endpoints) -+ * Writing to this field sets the Endpoint DPID (DPID) -+ * field in this register to DATA1 Set Odd -+ * (micro)frame (SetOddFr) (ISO IN and OUT Endpoints) -+ * Writing to this field sets the Even/Odd -+ * (micro)frame (EO_FrNum) field to odd (micro) frame. -+ */ -+ unsigned setd1pid : 1; -+ -+ /** Endpoint Disable */ -+ unsigned epdis : 1; -+ /** Endpoint Enable */ -+ unsigned epena : 1; -+ } b; -+} depctl_data_t; -+ -+/** -+ * This union represents the bit fields in the Device EP Transfer -+ * Size Register. Read the register into the <i>d32</i> member then -+ * set/clear the bits using the <i>b</i>it elements. -+ */ -+typedef union deptsiz_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct { -+ /** Transfer size */ -+ unsigned xfersize : 19; -+ /** Packet Count */ -+ unsigned pktcnt : 10; -+ /** Multi Count - Periodic IN endpoints */ -+ unsigned mc : 2; -+ unsigned reserved : 1; -+ } b; -+} deptsiz_data_t; -+ -+/** -+ * This union represents the bit fields in the Device EP 0 Transfer -+ * Size Register. Read the register into the <i>d32</i> member then -+ * set/clear the bits using the <i>b</i>it elements. -+ */ -+typedef union deptsiz0_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct { -+ /** Transfer size */ -+ unsigned xfersize : 7; -+ /** Reserved */ -+ unsigned reserved7_18 : 12; -+ /** Packet Count */ -+ unsigned pktcnt : 1; -+ /** Reserved */ -+ unsigned reserved20_28 : 9; -+ /**Setup Packet Count (DOEPTSIZ0 Only) */ -+ unsigned supcnt : 2; -+ unsigned reserved31; -+ } b; -+} deptsiz0_data_t; -+ -+ -+///////////////////////////////////////////////// -+// DMA Descriptor Specific Structures -+// -+ -+/** Buffer status definitions */ -+ -+#define BS_HOST_READY 0x0 -+#define BS_DMA_BUSY 0x1 -+#define BS_DMA_DONE 0x2 -+#define BS_HOST_BUSY 0x3 -+ -+/** Receive/Transmit status definitions */ -+ -+#define RTS_SUCCESS 0x0 -+#define RTS_BUFFLUSH 0x1 -+#define RTS_RESERVED 0x2 -+#define RTS_BUFERR 0x3 -+ -+ -+/** -+ * This union represents the bit fields in the DMA Descriptor -+ * status quadlet. Read the quadlet into the <i>d32</i> member then -+ * set/clear the bits using the <i>b</i>it, <i>b_iso_out</i> and -+ * <i>b_iso_in</i> elements. -+ */ -+typedef union desc_sts_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** quadlet bits */ -+ struct { -+ /** Received number of bytes */ -+ unsigned bytes : 16; -+ -+ unsigned reserved16_22 : 7; -+ /** Multiple Transfer - only for OUT EPs */ -+ unsigned mtrf : 1; -+ /** Setup Packet received - only for OUT EPs */ -+ unsigned sr : 1; -+ /** Interrupt On Complete */ -+ unsigned ioc : 1; -+ /** Short Packet */ -+ unsigned sp : 1; -+ /** Last */ -+ unsigned l : 1; -+ /** Receive Status */ -+ unsigned sts : 2; -+ /** Buffer Status */ -+ unsigned bs : 2; -+ } b; -+ -+#ifdef DWC_EN_ISOC -+ /** iso out quadlet bits */ -+ struct { -+ /** Received number of bytes */ -+ unsigned rxbytes : 11; -+ -+ unsigned reserved11 : 1; -+ /** Frame Number */ -+ unsigned framenum : 11; -+ /** Received ISO Data PID */ -+ unsigned pid : 2; -+ /** Interrupt On Complete */ -+ unsigned ioc : 1; -+ /** Short Packet */ -+ unsigned sp : 1; -+ /** Last */ -+ unsigned l : 1; -+ /** Receive Status */ -+ unsigned rxsts : 2; -+ /** Buffer Status */ -+ unsigned bs : 2; -+ } b_iso_out; -+ -+ /** iso in quadlet bits */ -+ struct { -+ /** Transmited number of bytes */ -+ unsigned txbytes : 12; -+ /** Frame Number */ -+ unsigned framenum : 11; -+ /** Transmited ISO Data PID */ -+ unsigned pid : 2; -+ /** Interrupt On Complete */ -+ unsigned ioc : 1; -+ /** Short Packet */ -+ unsigned sp : 1; -+ /** Last */ -+ unsigned l : 1; -+ /** Transmit Status */ -+ unsigned txsts : 2; -+ /** Buffer Status */ -+ unsigned bs : 2; -+ } b_iso_in; -+#endif //DWC_EN_ISOC -+} desc_sts_data_t; -+ -+/** -+ * DMA Descriptor structure -+ * -+ * DMA Descriptor structure contains two quadlets: -+ * Status quadlet and Data buffer pointer. -+ */ -+typedef struct dwc_otg_dma_desc -+{ -+ /** DMA Descriptor status quadlet */ -+ desc_sts_data_t status; -+ /** DMA Descriptor data buffer pointer */ -+ dma_addr_t buf; -+} dwc_otg_dma_desc_t; -+ -+/** -+ * The dwc_otg_dev_if structure contains information needed to manage -+ * the DWC_otg controller acting in device mode. It represents the -+ * programming view of the device-specific aspects of the controller. -+ */ -+typedef struct dwc_otg_dev_if -+{ -+ /** Pointer to device Global registers. -+ * Device Global Registers starting at offset 800h -+ */ -+ dwc_otg_device_global_regs_t *dev_global_regs; -+#define DWC_DEV_GLOBAL_REG_OFFSET 0x800 -+ -+ /** -+ * Device Logical IN Endpoint-Specific Registers 900h-AFCh -+ */ -+ dwc_otg_dev_in_ep_regs_t *in_ep_regs[MAX_EPS_CHANNELS]; -+#define DWC_DEV_IN_EP_REG_OFFSET 0x900 -+#define DWC_EP_REG_OFFSET 0x20 -+ -+ /** Device Logical OUT Endpoint-Specific Registers B00h-CFCh */ -+ dwc_otg_dev_out_ep_regs_t *out_ep_regs[MAX_EPS_CHANNELS]; -+#define DWC_DEV_OUT_EP_REG_OFFSET 0xB00 -+ -+ /* Device configuration information*/ -+ uint8_t speed; /**< Device Speed 0: Unknown, 1: LS, 2:FS, 3: HS */ -+ uint8_t num_in_eps; /**< Number # of Tx EP range: 0-15 exept ep0 */ -+ uint8_t num_out_eps; /**< Number # of Rx EP range: 0-15 exept ep 0*/ -+ -+ /** Size of periodic FIFOs (Bytes) */ -+ uint16_t perio_tx_fifo_size[MAX_PERIO_FIFOS]; -+ -+ /** Size of Tx FIFOs (Bytes) */ -+ uint16_t tx_fifo_size[MAX_TX_FIFOS]; -+ -+ /** Thresholding enable flags and length varaiables **/ -+ uint16_t rx_thr_en; -+ uint16_t iso_tx_thr_en; -+ uint16_t non_iso_tx_thr_en; -+ -+ uint16_t rx_thr_length; -+ uint16_t tx_thr_length; -+ -+ /** -+ * Pointers to the DMA Descriptors for EP0 Control -+ * transfers (virtual and physical) -+ */ -+ -+ /** 2 descriptors for SETUP packets */ -+ uint32_t dma_setup_desc_addr[2]; -+ dwc_otg_dma_desc_t* setup_desc_addr[2]; -+ -+ /** Pointer to Descriptor with latest SETUP packet */ -+ dwc_otg_dma_desc_t* psetup; -+ -+ /** Index of current SETUP handler descriptor */ -+ uint32_t setup_desc_index; -+ -+ /** Descriptor for Data In or Status In phases */ -+ uint32_t dma_in_desc_addr; -+ dwc_otg_dma_desc_t* in_desc_addr;; -+ -+ /** Descriptor for Data Out or Status Out phases */ -+ uint32_t dma_out_desc_addr; -+ dwc_otg_dma_desc_t* out_desc_addr; -+ -+} dwc_otg_dev_if_t; -+ -+ -+ -+ -+///////////////////////////////////////////////// -+// Host Mode Register Structures -+// -+/** -+ * The Host Global Registers structure defines the size and relative -+ * field offsets for the Host Mode Global Registers. Host Global -+ * Registers offsets 400h-7FFh. -+*/ -+typedef struct dwc_otg_host_global_regs -+{ -+ /** Host Configuration Register. <i>Offset: 400h</i> */ -+ volatile uint32_t hcfg; -+ /** Host Frame Interval Register. <i>Offset: 404h</i> */ -+ volatile uint32_t hfir; -+ /** Host Frame Number / Frame Remaining Register. <i>Offset: 408h</i> */ -+ volatile uint32_t hfnum; -+ /** Reserved. <i>Offset: 40Ch</i> */ -+ uint32_t reserved40C; -+ /** Host Periodic Transmit FIFO/ Queue Status Register. <i>Offset: 410h</i> */ -+ volatile uint32_t hptxsts; -+ /** Host All Channels Interrupt Register. <i>Offset: 414h</i> */ -+ volatile uint32_t haint; -+ /** Host All Channels Interrupt Mask Register. <i>Offset: 418h</i> */ -+ volatile uint32_t haintmsk; -+} dwc_otg_host_global_regs_t; -+ -+/** -+ * This union represents the bit fields in the Host Configuration Register. -+ * Read the register into the <i>d32</i> member then set/clear the bits using -+ * the <i>b</i>it elements. Write the <i>d32</i> member to the hcfg register. -+ */ -+typedef union hcfg_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ -+ /** register bits */ -+ struct -+ { -+ /** FS/LS Phy Clock Select */ -+ unsigned fslspclksel : 2; -+#define DWC_HCFG_30_60_MHZ 0 -+#define DWC_HCFG_48_MHZ 1 -+#define DWC_HCFG_6_MHZ 2 -+ -+ /** FS/LS Only Support */ -+ unsigned fslssupp : 1; -+ } b; -+} hcfg_data_t; -+ -+/** -+ * This union represents the bit fields in the Host Frame Remaing/Number -+ * Register. -+ */ -+typedef union hfir_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ -+ /** register bits */ -+ struct -+ { -+ unsigned frint : 16; -+ unsigned reserved : 16; -+ } b; -+} hfir_data_t; -+ -+/** -+ * This union represents the bit fields in the Host Frame Remaing/Number -+ * Register. -+ */ -+typedef union hfnum_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ -+ /** register bits */ -+ struct -+ { -+ unsigned frnum : 16; -+#define DWC_HFNUM_MAX_FRNUM 0x3FFF -+ unsigned frrem : 16; -+ } b; -+} hfnum_data_t; -+ -+typedef union hptxsts_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ -+ /** register bits */ -+ struct -+ { -+ unsigned ptxfspcavail : 16; -+ unsigned ptxqspcavail : 8; -+ /** Top of the Periodic Transmit Request Queue -+ * - bit 24 - Terminate (last entry for the selected channel) -+ * - bits 26:25 - Token Type -+ * - 2'b00 - Zero length -+ * - 2'b01 - Ping -+ * - 2'b10 - Disable -+ * - bits 30:27 - Channel Number -+ * - bit 31 - Odd/even microframe -+ */ -+ unsigned ptxqtop_terminate : 1; -+ unsigned ptxqtop_token : 2; -+ unsigned ptxqtop_chnum : 4; -+ unsigned ptxqtop_odd : 1; -+ } b; -+} hptxsts_data_t; -+ -+/** -+ * This union represents the bit fields in the Host Port Control and Status -+ * Register. Read the register into the <i>d32</i> member then set/clear the -+ * bits using the <i>b</i>it elements. Write the <i>d32</i> member to the -+ * hprt0 register. -+ */ -+typedef union hprt0_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ unsigned prtconnsts : 1; -+ unsigned prtconndet : 1; -+ unsigned prtena : 1; -+ unsigned prtenchng : 1; -+ unsigned prtovrcurract : 1; -+ unsigned prtovrcurrchng : 1; -+ unsigned prtres : 1; -+ unsigned prtsusp : 1; -+ unsigned prtrst : 1; -+ unsigned reserved9 : 1; -+ unsigned prtlnsts : 2; -+ unsigned prtpwr : 1; -+ unsigned prttstctl : 4; -+ unsigned prtspd : 2; -+#define DWC_HPRT0_PRTSPD_HIGH_SPEED 0 -+#define DWC_HPRT0_PRTSPD_FULL_SPEED 1 -+#define DWC_HPRT0_PRTSPD_LOW_SPEED 2 -+ unsigned reserved19_31 : 13; -+ } b; -+} hprt0_data_t; -+ -+/** -+ * This union represents the bit fields in the Host All Interrupt -+ * Register. -+ */ -+typedef union haint_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ unsigned ch0 : 1; -+ unsigned ch1 : 1; -+ unsigned ch2 : 1; -+ unsigned ch3 : 1; -+ unsigned ch4 : 1; -+ unsigned ch5 : 1; -+ unsigned ch6 : 1; -+ unsigned ch7 : 1; -+ unsigned ch8 : 1; -+ unsigned ch9 : 1; -+ unsigned ch10 : 1; -+ unsigned ch11 : 1; -+ unsigned ch12 : 1; -+ unsigned ch13 : 1; -+ unsigned ch14 : 1; -+ unsigned ch15 : 1; -+ unsigned reserved : 16; -+ } b; -+ -+ struct -+ { -+ unsigned chint : 16; -+ unsigned reserved : 16; -+ } b2; -+} haint_data_t; -+ -+/** -+ * This union represents the bit fields in the Host All Interrupt -+ * Register. -+ */ -+typedef union haintmsk_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ unsigned ch0 : 1; -+ unsigned ch1 : 1; -+ unsigned ch2 : 1; -+ unsigned ch3 : 1; -+ unsigned ch4 : 1; -+ unsigned ch5 : 1; -+ unsigned ch6 : 1; -+ unsigned ch7 : 1; -+ unsigned ch8 : 1; -+ unsigned ch9 : 1; -+ unsigned ch10 : 1; -+ unsigned ch11 : 1; -+ unsigned ch12 : 1; -+ unsigned ch13 : 1; -+ unsigned ch14 : 1; -+ unsigned ch15 : 1; -+ unsigned reserved : 16; -+ } b; -+ -+ struct -+ { -+ unsigned chint : 16; -+ unsigned reserved : 16; -+ } b2; -+} haintmsk_data_t; -+ -+/** -+ * Host Channel Specific Registers. <i>500h-5FCh</i> -+ */ -+typedef struct dwc_otg_hc_regs -+{ -+ /** Host Channel 0 Characteristic Register. <i>Offset: 500h + (chan_num * 20h) + 00h</i> */ -+ volatile uint32_t hcchar; -+ /** Host Channel 0 Split Control Register. <i>Offset: 500h + (chan_num * 20h) + 04h</i> */ -+ volatile uint32_t hcsplt; -+ /** Host Channel 0 Interrupt Register. <i>Offset: 500h + (chan_num * 20h) + 08h</i> */ -+ volatile uint32_t hcint; -+ /** Host Channel 0 Interrupt Mask Register. <i>Offset: 500h + (chan_num * 20h) + 0Ch</i> */ -+ volatile uint32_t hcintmsk; -+ /** Host Channel 0 Transfer Size Register. <i>Offset: 500h + (chan_num * 20h) + 10h</i> */ -+ volatile uint32_t hctsiz; -+ /** Host Channel 0 DMA Address Register. <i>Offset: 500h + (chan_num * 20h) + 14h</i> */ -+ volatile uint32_t hcdma; -+ /** Reserved. <i>Offset: 500h + (chan_num * 20h) + 18h - 500h + (chan_num * 20h) + 1Ch</i> */ -+ uint32_t reserved[2]; -+} dwc_otg_hc_regs_t; -+ -+/** -+ * This union represents the bit fields in the Host Channel Characteristics -+ * Register. Read the register into the <i>d32</i> member then set/clear the -+ * bits using the <i>b</i>it elements. Write the <i>d32</i> member to the -+ * hcchar register. -+ */ -+typedef union hcchar_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ -+ /** register bits */ -+ struct -+ { -+ /** Maximum packet size in bytes */ -+ unsigned mps : 11; -+ -+ /** Endpoint number */ -+ unsigned epnum : 4; -+ -+ /** 0: OUT, 1: IN */ -+ unsigned epdir : 1; -+ -+ unsigned reserved : 1; -+ -+ /** 0: Full/high speed device, 1: Low speed device */ -+ unsigned lspddev : 1; -+ -+ /** 0: Control, 1: Isoc, 2: Bulk, 3: Intr */ -+ unsigned eptype : 2; -+ -+ /** Packets per frame for periodic transfers. 0 is reserved. */ -+ unsigned multicnt : 2; -+ -+ /** Device address */ -+ unsigned devaddr : 7; -+ -+ /** -+ * Frame to transmit periodic transaction. -+ * 0: even, 1: odd -+ */ -+ unsigned oddfrm : 1; -+ -+ /** Channel disable */ -+ unsigned chdis : 1; -+ -+ /** Channel enable */ -+ unsigned chen : 1; -+ } b; -+} hcchar_data_t; -+ -+typedef union hcsplt_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ -+ /** register bits */ -+ struct -+ { -+ /** Port Address */ -+ unsigned prtaddr : 7; -+ -+ /** Hub Address */ -+ unsigned hubaddr : 7; -+ -+ /** Transaction Position */ -+ unsigned xactpos : 2; -+#define DWC_HCSPLIT_XACTPOS_MID 0 -+#define DWC_HCSPLIT_XACTPOS_END 1 -+#define DWC_HCSPLIT_XACTPOS_BEGIN 2 -+#define DWC_HCSPLIT_XACTPOS_ALL 3 -+ -+ /** Do Complete Split */ -+ unsigned compsplt : 1; -+ -+ /** Reserved */ -+ unsigned reserved : 14; -+ -+ /** Split Enble */ -+ unsigned spltena : 1; -+ } b; -+} hcsplt_data_t; -+ -+ -+/** -+ * This union represents the bit fields in the Host All Interrupt -+ * Register. -+ */ -+typedef union hcint_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ /** register bits */ -+ struct -+ { -+ /** Transfer Complete */ -+ unsigned xfercomp : 1; -+ /** Channel Halted */ -+ unsigned chhltd : 1; -+ /** AHB Error */ -+ unsigned ahberr : 1; -+ /** STALL Response Received */ -+ unsigned stall : 1; -+ /** NAK Response Received */ -+ unsigned nak : 1; -+ /** ACK Response Received */ -+ unsigned ack : 1; -+ /** NYET Response Received */ -+ unsigned nyet : 1; -+ /** Transaction Err */ -+ unsigned xacterr : 1; -+ /** Babble Error */ -+ unsigned bblerr : 1; -+ /** Frame Overrun */ -+ unsigned frmovrun : 1; -+ /** Data Toggle Error */ -+ unsigned datatglerr : 1; -+ /** Reserved */ -+ unsigned reserved : 21; -+ } b; -+} hcint_data_t; -+ -+/** -+ * This union represents the bit fields in the Host Channel Transfer Size -+ * Register. Read the register into the <i>d32</i> member then set/clear the -+ * bits using the <i>b</i>it elements. Write the <i>d32</i> member to the -+ * hcchar register. -+ */ -+typedef union hctsiz_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ -+ /** register bits */ -+ struct -+ { -+ /** Total transfer size in bytes */ -+ unsigned xfersize : 19; -+ -+ /** Data packets to transfer */ -+ unsigned pktcnt : 10; -+ -+ /** -+ * Packet ID for next data packet -+ * 0: DATA0 -+ * 1: DATA2 -+ * 2: DATA1 -+ * 3: MDATA (non-Control), SETUP (Control) -+ */ -+ unsigned pid : 2; -+#define DWC_HCTSIZ_DATA0 0 -+#define DWC_HCTSIZ_DATA1 2 -+#define DWC_HCTSIZ_DATA2 1 -+#define DWC_HCTSIZ_MDATA 3 -+#define DWC_HCTSIZ_SETUP 3 -+ -+ /** Do PING protocol when 1 */ -+ unsigned dopng : 1; -+ } b; -+} hctsiz_data_t; -+ -+/** -+ * This union represents the bit fields in the Host Channel Interrupt Mask -+ * Register. Read the register into the <i>d32</i> member then set/clear the -+ * bits using the <i>b</i>it elements. Write the <i>d32</i> member to the -+ * hcintmsk register. -+ */ -+typedef union hcintmsk_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ -+ /** register bits */ -+ struct -+ { -+ unsigned xfercompl : 1; -+ unsigned chhltd : 1; -+ unsigned ahberr : 1; -+ unsigned stall : 1; -+ unsigned nak : 1; -+ unsigned ack : 1; -+ unsigned nyet : 1; -+ unsigned xacterr : 1; -+ unsigned bblerr : 1; -+ unsigned frmovrun : 1; -+ unsigned datatglerr : 1; -+ unsigned reserved : 21; -+ } b; -+} hcintmsk_data_t; -+ -+/** OTG Host Interface Structure. -+ * -+ * The OTG Host Interface Structure structure contains information -+ * needed to manage the DWC_otg controller acting in host mode. It -+ * represents the programming view of the host-specific aspects of the -+ * controller. -+ */ -+typedef struct dwc_otg_host_if -+{ -+ /** Host Global Registers starting at offset 400h.*/ -+ dwc_otg_host_global_regs_t *host_global_regs; -+#define DWC_OTG_HOST_GLOBAL_REG_OFFSET 0x400 -+ -+ /** Host Port 0 Control and Status Register */ -+ volatile uint32_t *hprt0; -+#define DWC_OTG_HOST_PORT_REGS_OFFSET 0x440 -+ -+ -+ /** Host Channel Specific Registers at offsets 500h-5FCh. */ -+ dwc_otg_hc_regs_t *hc_regs[MAX_EPS_CHANNELS]; -+#define DWC_OTG_HOST_CHAN_REGS_OFFSET 0x500 -+#define DWC_OTG_CHAN_REGS_OFFSET 0x20 -+ -+ -+ /* Host configuration information */ -+ /** Number of Host Channels (range: 1-16) */ -+ uint8_t num_host_channels; -+ /** Periodic EPs supported (0: no, 1: yes) */ -+ uint8_t perio_eps_supported; -+ /** Periodic Tx FIFO Size (Only 1 host periodic Tx FIFO) */ -+ uint16_t perio_tx_fifo_size; -+ -+} dwc_otg_host_if_t; -+ -+ -+/** -+ * This union represents the bit fields in the Power and Clock Gating Control -+ * Register. Read the register into the <i>d32</i> member then set/clear the -+ * bits using the <i>b</i>it elements. -+ */ -+typedef union pcgcctl_data -+{ -+ /** raw register data */ -+ uint32_t d32; -+ -+ /** register bits */ -+ struct -+ { -+ /** Stop Pclk */ -+ unsigned stoppclk : 1; -+ /** Gate Hclk */ -+ unsigned gatehclk : 1; -+ /** Power Clamp */ -+ unsigned pwrclmp : 1; -+ /** Reset Power Down Modules */ -+ unsigned rstpdwnmodule : 1; -+ /** PHY Suspended */ -+ unsigned physuspended : 1; -+ -+ unsigned reserved : 27; -+ } b; -+} pcgcctl_data_t; -+ -+ -+#endif ---- /dev/null -+++ b/drivers/usb/dwc_otg/linux/dwc_otg_plat.h -@@ -0,0 +1,260 @@ -+/* ========================================================================== -+ * $File: //dwh/usb_iip/dev/software/otg/linux/platform/dwc_otg_plat.h $ -+ * $Revision: 1.2 $ -+ * $Date: 2008-11-21 05:39:16 $ -+ * $Change: 1064915 $ -+ * -+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter, -+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless -+ * otherwise expressly agreed to in writing between Synopsys and you. -+ * -+ * The Software IS NOT an item of Licensed Software or Licensed Product under -+ * any End User Software License Agreement or Agreement for Licensed Product -+ * with Synopsys or any supplement thereto. You are permitted to use and -+ * redistribute this Software in source and binary forms, with or without -+ * modification, provided that redistributions of source code must retain this -+ * notice. You may not view, use, disclose, copy or distribute this file or -+ * any information contained herein except pursuant to this license grant from -+ * Synopsys. If you do not agree with this notice, including the disclaimer -+ * below, then you are not authorized to use the Software. -+ * -+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS -+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, -+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH -+ * DAMAGE. -+ * ========================================================================== */ -+ -+#if !defined(__DWC_OTG_PLAT_H__) -+#define __DWC_OTG_PLAT_H__ -+ -+#include <linux/types.h> -+#include <linux/slab.h> -+#include <linux/list.h> -+#include <linux/delay.h> -+#include <asm/io.h> -+ -+/** -+ * @file -+ * -+ * This file contains the Platform Specific constants, interfaces -+ * (functions and macros) for Linux. -+ * -+ */ -+//#if !defined(__LINUX_ARM_ARCH__) -+//#error "The contents of this file is Linux specific!!!" -+//#endif -+ -+/** -+ * Reads the content of a register. -+ * -+ * @param reg address of register to read. -+ * @return contents of the register. -+ * -+ -+ * Usage:<br> -+ * <code>uint32_t dev_ctl = dwc_read_reg32(&dev_regs->dctl);</code> -+ */ -+static __inline__ uint32_t dwc_read_reg32( volatile uint32_t *reg) -+{ -+ return readl(reg); -+}; -+ -+/** -+ * Writes a register with a 32 bit value. -+ * -+ * @param reg address of register to read. -+ * @param value to write to _reg. -+ * -+ * Usage:<br> -+ * <code>dwc_write_reg32(&dev_regs->dctl, 0); </code> -+ */ -+static __inline__ void dwc_write_reg32( volatile uint32_t *reg, const uint32_t value) -+{ -+ writel( value, reg ); -+}; -+ -+/** -+ * This function modifies bit values in a register. Using the -+ * algorithm: (reg_contents & ~clear_mask) | set_mask. -+ * -+ * @param reg address of register to read. -+ * @param clear_mask bit mask to be cleared. -+ * @param set_mask bit mask to be set. -+ * -+ * Usage:<br> -+ * <code> // Clear the SOF Interrupt Mask bit and <br> -+ * // set the OTG Interrupt mask bit, leaving all others as they were. -+ * dwc_modify_reg32(&dev_regs->gintmsk, DWC_SOF_INT, DWC_OTG_INT);</code> -+ */ -+static __inline__ -+ void dwc_modify_reg32( volatile uint32_t *reg, const uint32_t clear_mask, const uint32_t set_mask) -+{ -+ writel( (readl(reg) & ~clear_mask) | set_mask, reg ); -+}; -+ -+ -+/** -+ * Wrapper for the OS micro-second delay function. -+ * @param[in] usecs Microseconds of delay -+ */ -+static __inline__ void UDELAY( const uint32_t usecs ) -+{ -+ udelay( usecs ); -+} -+ -+/** -+ * Wrapper for the OS milli-second delay function. -+ * @param[in] msecs milliseconds of delay -+ */ -+static __inline__ void MDELAY( const uint32_t msecs ) -+{ -+ mdelay( msecs ); -+} -+ -+/** -+ * Wrapper for the Linux spin_lock. On the ARM (Integrator) -+ * spin_lock() is a nop. -+ * -+ * @param lock Pointer to the spinlock. -+ */ -+static __inline__ void SPIN_LOCK( spinlock_t *lock ) -+{ -+ spin_lock(lock); -+} -+ -+/** -+ * Wrapper for the Linux spin_unlock. On the ARM (Integrator) -+ * spin_lock() is a nop. -+ * -+ * @param lock Pointer to the spinlock. -+ */ -+static __inline__ void SPIN_UNLOCK( spinlock_t *lock ) -+{ -+ spin_unlock(lock); -+} -+ -+/** -+ * Wrapper (macro) for the Linux spin_lock_irqsave. On the ARM -+ * (Integrator) spin_lock() is a nop. -+ * -+ * @param l Pointer to the spinlock. -+ * @param f unsigned long for irq flags storage. -+ */ -+#define SPIN_LOCK_IRQSAVE( l, f ) spin_lock_irqsave(l,f); -+ -+/** -+ * Wrapper (macro) for the Linux spin_unlock_irqrestore. On the ARM -+ * (Integrator) spin_lock() is a nop. -+ * -+ * @param l Pointer to the spinlock. -+ * @param f unsigned long for irq flags storage. -+ */ -+#define SPIN_UNLOCK_IRQRESTORE( l,f ) spin_unlock_irqrestore(l,f); -+ -+/* -+ * Debugging support vanishes in non-debug builds. -+ */ -+ -+ -+/** -+ * The Debug Level bit-mask variable. -+ */ -+extern uint32_t g_dbg_lvl; -+/** -+ * Set the Debug Level variable. -+ */ -+static inline uint32_t SET_DEBUG_LEVEL( const uint32_t new ) -+{ -+ uint32_t old = g_dbg_lvl; -+ g_dbg_lvl = new; -+ return old; -+} -+ -+/** When debug level has the DBG_CIL bit set, display CIL Debug messages. */ -+#define DBG_CIL (0x2) -+/** When debug level has the DBG_CILV bit set, display CIL Verbose debug -+ * messages */ -+#define DBG_CILV (0x20) -+/** When debug level has the DBG_PCD bit set, display PCD (Device) debug -+ * messages */ -+#define DBG_PCD (0x4) -+/** When debug level has the DBG_PCDV set, display PCD (Device) Verbose debug -+ * messages */ -+#define DBG_PCDV (0x40) -+/** When debug level has the DBG_HCD bit set, display Host debug messages */ -+#define DBG_HCD (0x8) -+/** When debug level has the DBG_HCDV bit set, display Verbose Host debug -+ * messages */ -+#define DBG_HCDV (0x80) -+/** When debug level has the DBG_HCD_URB bit set, display enqueued URBs in host -+ * mode. */ -+#define DBG_HCD_URB (0x800) -+ -+/** When debug level has any bit set, display debug messages */ -+#define DBG_ANY (0xFF) -+ -+/** All debug messages off */ -+#define DBG_OFF 0 -+ -+/** Prefix string for DWC_DEBUG print macros. */ -+#define USB_DWC "dwc_otg: " -+ -+/** -+ * Print a debug message when the Global debug level variable contains -+ * the bit defined in <code>lvl</code>. -+ * -+ * @param[in] lvl - Debug level, use one of the DBG_ constants above. -+ * @param[in] x - like printf -+ * -+ * Example:<p> -+ * <code> -+ * DWC_DEBUGPL( DBG_ANY, "%s(%p)\n", __func__, _reg_base_addr); -+ * </code> -+ * <br> -+ * results in:<br> -+ * <code> -+ * usb-DWC_otg: dwc_otg_cil_init(ca867000) -+ * </code> -+ */ -+#ifdef DEBUG -+ -+# define DWC_DEBUGPL(lvl, x...) do{ if ((lvl)&g_dbg_lvl)printk( KERN_DEBUG USB_DWC x ); }while(0) -+# define DWC_DEBUGP(x...) DWC_DEBUGPL(DBG_ANY, x ) -+ -+# define CHK_DEBUG_LEVEL(level) ((level) & g_dbg_lvl) -+ -+#else -+ -+# define DWC_DEBUGPL(lvl, x...) do{}while(0) -+# define DWC_DEBUGP(x...) -+ -+# define CHK_DEBUG_LEVEL(level) (0) -+ -+#endif /*DEBUG*/ -+ -+/** -+ * Print an Error message. -+ */ -+#define DWC_ERROR(x...) printk( KERN_ERR USB_DWC x ) -+/** -+ * Print a Warning message. -+ */ -+#define DWC_WARN(x...) printk( KERN_WARNING USB_DWC x ) -+/** -+ * Print a notice (normal but significant message). -+ */ -+#define DWC_NOTICE(x...) printk( KERN_NOTICE USB_DWC x ) -+/** -+ * Basic message printing. -+ */ -+#define DWC_PRINT(x...) printk( KERN_INFO USB_DWC x ) -+ -+#endif -+ |