aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/brcm2708/patches-4.1/0146-bcm2708-vcio-Remove-module.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/brcm2708/patches-4.1/0146-bcm2708-vcio-Remove-module.patch')
-rw-r--r--target/linux/brcm2708/patches-4.1/0146-bcm2708-vcio-Remove-module.patch266
1 files changed, 266 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.1/0146-bcm2708-vcio-Remove-module.patch b/target/linux/brcm2708/patches-4.1/0146-bcm2708-vcio-Remove-module.patch
new file mode 100644
index 0000000000..f36c2d9dcb
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.1/0146-bcm2708-vcio-Remove-module.patch
@@ -0,0 +1,266 @@
+From 764892688e000751cdebf8fe20564b5fb1862ac1 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= <noralf@tronnes.org>
+Date: Fri, 24 Jul 2015 19:34:31 +0200
+Subject: [PATCH 146/148] bcm2708-vcio: Remove module
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+All drivers have been converted to the new firmware API, so this
+module is not needed anymore.
+
+Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
+---
+ drivers/mailbox/Kconfig | 6 --
+ drivers/mailbox/Makefile | 2 -
+ drivers/mailbox/bcm2708-vcio.c | 86 -----------------
+ include/linux/platform_data/mailbox-bcm2708.h | 127 --------------------------
+ 4 files changed, 221 deletions(-)
+ delete mode 100644 drivers/mailbox/bcm2708-vcio.c
+ delete mode 100644 include/linux/platform_data/mailbox-bcm2708.h
+
+--- a/drivers/mailbox/Kconfig
++++ b/drivers/mailbox/Kconfig
+@@ -7,12 +7,6 @@ menuconfig MAILBOX
+
+ if MAILBOX
+
+-config BCM2708_MBOX
+- bool "Broadcom BCM2708 Mailbox (vcio)"
+- depends on BCM2835_MBOX
+- help
+- Broadcom BCM2708 Mailbox (vcio)
+-
+ config ARM_MHU
+ tristate "ARM MHU Mailbox"
+ depends on ARM_AMBA
+--- a/drivers/mailbox/Makefile
++++ b/drivers/mailbox/Makefile
+@@ -2,8 +2,6 @@
+
+ obj-$(CONFIG_MAILBOX) += mailbox.o
+
+-obj-$(CONFIG_BCM2708_MBOX) += bcm2708-vcio.o
+-
+ obj-$(CONFIG_ARM_MHU) += arm_mhu.o
+
+ obj-$(CONFIG_PL320_MBOX) += pl320-ipc.o
+--- a/drivers/mailbox/bcm2708-vcio.c
++++ /dev/null
+@@ -1,86 +0,0 @@
+-/*
+- * Copyright (C) 2010 Broadcom
+- *
+- * This program is free software; you can redistribute it and/or modify
+- * it under the terms of the GNU General Public License version 2 as
+- * published by the Free Software Foundation.
+- *
+- * This device provides a shared mechanism for writing to the mailboxes,
+- * semaphores, doorbells etc. that are shared between the ARM and the
+- * VideoCore processor
+- */
+-
+-#include <linux/dma-mapping.h>
+-#include <linux/init.h>
+-#include <linux/module.h>
+-#include <linux/platform_data/mailbox-bcm2708.h>
+-#include <linux/uaccess.h>
+-#include <soc/bcm2835/raspberrypi-firmware.h>
+-
+-#define DRIVER_NAME "bcm2708_vcio"
+-
+-extern int bcm_mailbox_write(unsigned chan, uint32_t data28)
+-{
+- struct rpi_firmware *fw = rpi_firmware_get(NULL);
+-
+- if (!fw)
+- return -ENODEV;
+-
+- return rpi_firmware_transaction(fw, chan, data28);
+-}
+-EXPORT_SYMBOL_GPL(bcm_mailbox_write);
+-
+-extern int bcm_mailbox_read(unsigned chan, uint32_t *data28)
+-{
+- struct rpi_firmware *fw = rpi_firmware_get(NULL);
+-
+- if (!fw)
+- return -ENODEV;
+-
+- *data28 = rpi_firmware_transaction_received(fw);
+-
+- return 0;
+-}
+-EXPORT_SYMBOL_GPL(bcm_mailbox_read);
+-
+-static DEFINE_MUTEX(mailbox_lock);
+-extern int bcm_mailbox_property(void *data, int size)
+-{
+- uint32_t success;
+- dma_addr_t mem_bus; /* the memory address accessed from videocore */
+- void *mem_kern; /* the memory address accessed from driver */
+- int s = 0;
+-
+- mutex_lock(&mailbox_lock);
+- /* allocate some memory for the messages communicating with GPU */
+- mem_kern = dma_alloc_coherent(NULL, PAGE_ALIGN(size), &mem_bus,
+- GFP_KERNEL);
+- if (mem_kern) {
+- /* create the message */
+- memcpy(mem_kern, data, size);
+-
+- /* send the message */
+- wmb();
+- s = bcm_mailbox_write(MBOX_CHAN_PROPERTY, (uint32_t)mem_bus);
+- if (s == 0)
+- s = bcm_mailbox_read(MBOX_CHAN_PROPERTY, &success);
+- if (s == 0) {
+- /* copy the response */
+- rmb();
+- memcpy(data, mem_kern, size);
+- }
+- dma_free_coherent(NULL, PAGE_ALIGN(size), mem_kern, mem_bus);
+- } else {
+- s = -ENOMEM;
+- }
+- if (s != 0)
+- pr_err(DRIVER_NAME ": %s failed (%d)\n", __func__, s);
+-
+- mutex_unlock(&mailbox_lock);
+- return s;
+-}
+-EXPORT_SYMBOL_GPL(bcm_mailbox_property);
+-
+-MODULE_AUTHOR("Gray Girling");
+-MODULE_DESCRIPTION("ARM I/O to VideoCore processor");
+-MODULE_LICENSE("GPL");
+--- a/include/linux/platform_data/mailbox-bcm2708.h
++++ /dev/null
+@@ -1,127 +0,0 @@
+-/*
+- * Copyright (C) 2010 Broadcom
+- *
+- * This program is free software; you can redistribute it and/or modify
+- * it under the terms of the GNU General Public License as published by
+- * the Free Software Foundation; either version 2 of the License, or
+- * (at your option) any later version.
+- *
+- * This program is distributed in the hope that it will be useful,
+- * but WITHOUT ANY WARRANTY; without even the implied warranty of
+- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+- * GNU General Public License for more details.
+- */
+-#ifndef _PLAT_MAILBOX_BCM2708_H
+-#define _PLAT_MAILBOX_BCM2708_H
+-
+-/* Routines to handle I/O via the VideoCore "ARM control" registers
+- * (semaphores, doorbells, mailboxes)
+- */
+-
+-/* Constants shared with the ARM identifying separate mailbox channels */
+-#define MBOX_CHAN_POWER 0 /* for use by the power management interface */
+-#define MBOX_CHAN_FB 1 /* for use by the frame buffer */
+-#define MBOX_CHAN_VCHIQ 3 /* for use by the VCHIQ interface */
+-#define MBOX_CHAN_PROPERTY 8 /* for use by the property channel */
+-#define MBOX_CHAN_COUNT 9
+-
+-enum {
+- VCMSG_PROCESS_REQUEST = 0x00000000
+-};
+-
+-enum {
+- VCMSG_REQUEST_SUCCESSFUL = 0x80000000,
+- VCMSG_REQUEST_FAILED = 0x80000001
+-};
+-
+-/* Mailbox property tags */
+-enum {
+- VCMSG_PROPERTY_END = 0x00000000,
+- VCMSG_GET_FIRMWARE_REVISION = 0x00000001,
+- VCMSG_GET_BOARD_MODEL = 0x00010001,
+- VCMSG_GET_BOARD_REVISION = 0x00010002,
+- VCMSG_GET_BOARD_MAC_ADDRESS = 0x00010003,
+- VCMSG_GET_BOARD_SERIAL = 0x00010004,
+- VCMSG_GET_ARM_MEMORY = 0x00010005,
+- VCMSG_GET_VC_MEMORY = 0x00010006,
+- VCMSG_GET_CLOCKS = 0x00010007,
+- VCMSG_GET_COMMAND_LINE = 0x00050001,
+- VCMSG_GET_DMA_CHANNELS = 0x00060001,
+- VCMSG_GET_POWER_STATE = 0x00020001,
+- VCMSG_GET_TIMING = 0x00020002,
+- VCMSG_SET_POWER_STATE = 0x00028001,
+- VCMSG_GET_CLOCK_STATE = 0x00030001,
+- VCMSG_SET_CLOCK_STATE = 0x00038001,
+- VCMSG_GET_CLOCK_RATE = 0x00030002,
+- VCMSG_SET_CLOCK_RATE = 0x00038002,
+- VCMSG_GET_VOLTAGE = 0x00030003,
+- VCMSG_SET_VOLTAGE = 0x00038003,
+- VCMSG_GET_MAX_CLOCK = 0x00030004,
+- VCMSG_GET_MAX_VOLTAGE = 0x00030005,
+- VCMSG_GET_TEMPERATURE = 0x00030006,
+- VCMSG_GET_MIN_CLOCK = 0x00030007,
+- VCMSG_GET_MIN_VOLTAGE = 0x00030008,
+- VCMSG_GET_TURBO = 0x00030009,
+- VCMSG_GET_MAX_TEMPERATURE = 0x0003000a,
+- VCMSG_GET_STC = 0x0003000b,
+- VCMSG_SET_TURBO = 0x00038009,
+- VCMSG_SET_ALLOCATE_MEM = 0x0003000c,
+- VCMSG_SET_LOCK_MEM = 0x0003000d,
+- VCMSG_SET_UNLOCK_MEM = 0x0003000e,
+- VCMSG_SET_RELEASE_MEM = 0x0003000f,
+- VCMSG_SET_EXECUTE_CODE = 0x00030010,
+- VCMSG_SET_EXECUTE_QPU = 0x00030011,
+- VCMSG_SET_ENABLE_QPU = 0x00030012,
+- VCMSG_GET_RESOURCE_HANDLE = 0x00030014,
+- VCMSG_GET_EDID_BLOCK = 0x00030020,
+- VCMSG_GET_CUSTOMER_OTP = 0x00030021,
+- VCMSG_SET_CUSTOMER_OTP = 0x00038021,
+- VCMSG_SET_ALLOCATE_BUFFER = 0x00040001,
+- VCMSG_SET_RELEASE_BUFFER = 0x00048001,
+- VCMSG_SET_BLANK_SCREEN = 0x00040002,
+- VCMSG_TST_BLANK_SCREEN = 0x00044002,
+- VCMSG_GET_PHYSICAL_WIDTH_HEIGHT = 0x00040003,
+- VCMSG_TST_PHYSICAL_WIDTH_HEIGHT = 0x00044003,
+- VCMSG_SET_PHYSICAL_WIDTH_HEIGHT = 0x00048003,
+- VCMSG_GET_VIRTUAL_WIDTH_HEIGHT = 0x00040004,
+- VCMSG_TST_VIRTUAL_WIDTH_HEIGHT = 0x00044004,
+- VCMSG_SET_VIRTUAL_WIDTH_HEIGHT = 0x00048004,
+- VCMSG_GET_DEPTH = 0x00040005,
+- VCMSG_TST_DEPTH = 0x00044005,
+- VCMSG_SET_DEPTH = 0x00048005,
+- VCMSG_GET_PIXEL_ORDER = 0x00040006,
+- VCMSG_TST_PIXEL_ORDER = 0x00044006,
+- VCMSG_SET_PIXEL_ORDER = 0x00048006,
+- VCMSG_GET_ALPHA_MODE = 0x00040007,
+- VCMSG_TST_ALPHA_MODE = 0x00044007,
+- VCMSG_SET_ALPHA_MODE = 0x00048007,
+- VCMSG_GET_PITCH = 0x00040008,
+- VCMSG_TST_PITCH = 0x00044008,
+- VCMSG_SET_PITCH = 0x00048008,
+- VCMSG_GET_VIRTUAL_OFFSET = 0x00040009,
+- VCMSG_TST_VIRTUAL_OFFSET = 0x00044009,
+- VCMSG_SET_VIRTUAL_OFFSET = 0x00048009,
+- VCMSG_GET_OVERSCAN = 0x0004000a,
+- VCMSG_TST_OVERSCAN = 0x0004400a,
+- VCMSG_SET_OVERSCAN = 0x0004800a,
+- VCMSG_GET_PALETTE = 0x0004000b,
+- VCMSG_TST_PALETTE = 0x0004400b,
+- VCMSG_SET_PALETTE = 0x0004800b,
+- VCMSG_GET_LAYER = 0x0004000c,
+- VCMSG_TST_LAYER = 0x0004400c,
+- VCMSG_SET_LAYER = 0x0004800c,
+- VCMSG_GET_TRANSFORM = 0x0004000d,
+- VCMSG_TST_TRANSFORM = 0x0004400d,
+- VCMSG_SET_TRANSFORM = 0x0004800d,
+- VCMSG_TST_VSYNC = 0x0004400e,
+- VCMSG_SET_VSYNC = 0x0004800e,
+- VCMSG_GET_TOUCHBUF = 0x0004000f,
+- VCMSG_SET_CURSOR_INFO = 0x00008010,
+- VCMSG_SET_CURSOR_STATE = 0x00008011,
+-};
+-
+-int bcm_mailbox_read(unsigned chan, uint32_t *data28);
+-int bcm_mailbox_write(unsigned chan, uint32_t data28);
+-int bcm_mailbox_property(void *data, int size);
+-
+-#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-08 06:00:32 +0000