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-rw-r--r--target/linux/adm5120/files-3.18/drivers/usb/host/adm5120-dbg.c836
-rw-r--r--target/linux/adm5120/files-3.18/drivers/usb/host/adm5120-drv.c228
-rw-r--r--target/linux/adm5120/files-3.18/drivers/usb/host/adm5120-hcd.c843
-rw-r--r--target/linux/adm5120/files-3.18/drivers/usb/host/adm5120-hub.c430
-rw-r--r--target/linux/adm5120/files-3.18/drivers/usb/host/adm5120-mem.c202
-rw-r--r--target/linux/adm5120/files-3.18/drivers/usb/host/adm5120-pm.c449
-rw-r--r--target/linux/adm5120/files-3.18/drivers/usb/host/adm5120-q.c964
-rw-r--r--target/linux/adm5120/files-3.18/drivers/usb/host/adm5120.h755
8 files changed, 0 insertions, 4707 deletions
diff --git a/target/linux/adm5120/files-3.18/drivers/usb/host/adm5120-dbg.c b/target/linux/adm5120/files-3.18/drivers/usb/host/adm5120-dbg.c
deleted file mode 100644
index 2d5dc2a5a7..0000000000
--- a/target/linux/adm5120/files-3.18/drivers/usb/host/adm5120-dbg.c
+++ /dev/null
@@ -1,836 +0,0 @@
-/*
- * ADM5120 HCD (Host Controller Driver) for USB
- *
- * Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org>
- *
- * This file was derived from: drivers/usb/host/ohci-dbg.c
- * (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at>
- * (C) Copyright 2000-2002 David Brownell <dbrownell@users.sourceforge.net>
- *
- * 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.
- *
- */
-
-/*-------------------------------------------------------------------------*/
-
-static inline char *ed_typestring(int ed_type)
-{
- switch (ed_type) {
- case PIPE_CONTROL:
- return "ctrl";
- case PIPE_BULK:
- return "bulk";
- case PIPE_INTERRUPT:
- return "intr";
- case PIPE_ISOCHRONOUS:
- return "isoc";
- }
- return "(bad ed_type)";
-}
-
-static inline char *ed_statestring(int state)
-{
- switch (state) {
- case ED_IDLE:
- return "IDLE";
- case ED_UNLINK:
- return "UNLINK";
- case ED_OPER:
- return "OPER";
- }
- return "?STATE";
-}
-
-static inline char *pipestring(int pipe)
-{
- return ed_typestring(usb_pipetype(pipe));
-}
-
-static inline char *td_pidstring(u32 info)
-{
- switch (info & TD_DP) {
- case TD_DP_SETUP:
- return "SETUP";
- case TD_DP_IN:
- return "IN";
- case TD_DP_OUT:
- return "OUT";
- }
- return "?PID";
-}
-
-static inline char *td_togglestring(u32 info)
-{
- switch (info & TD_T) {
- case TD_T_DATA0:
- return "DATA0";
- case TD_T_DATA1:
- return "DATA1";
- case TD_T_CARRY:
- return "CARRY";
- }
- return "?TOGGLE";
-}
-
-/*-------------------------------------------------------------------------*/
-
-#ifdef DEBUG
-
-/* debug| print the main components of an URB
- * small: 0) header + data packets 1) just header
- */
-static void __attribute__((unused))
-urb_print(struct admhcd *ahcd, struct urb *urb, char *str, int small, int status)
-{
- unsigned int pipe = urb->pipe;
-
- if (!urb->dev || !urb->dev->bus) {
- admhc_dbg(ahcd, "%s URB: no dev", str);
- return;
- }
-
-#ifndef ADMHC_VERBOSE_DEBUG
- if (status != 0)
-#endif
- admhc_dbg(ahcd, "URB-%s %p dev=%d ep=%d%s-%s flags=%x len=%d/%d "
- "stat=%d\n",
- str,
- urb,
- usb_pipedevice(pipe),
- usb_pipeendpoint(pipe),
- usb_pipeout(pipe) ? "out" : "in",
- pipestring(pipe),
- urb->transfer_flags,
- urb->actual_length,
- urb->transfer_buffer_length,
- status);
-
-#ifdef ADMHC_VERBOSE_DEBUG
- if (!small) {
- int i, len;
-
- if (usb_pipecontrol(pipe)) {
- admhc_dbg(ahcd, "setup(8):");
- for (i = 0; i < 8 ; i++)
- printk(KERN_INFO" %02x", ((__u8 *)urb->setup_packet)[i]);
- printk(KERN_INFO "\n");
- }
- if (urb->transfer_buffer_length > 0 && urb->transfer_buffer) {
- admhc_dbg(ahcd, "data(%d/%d):",
- urb->actual_length,
- urb->transfer_buffer_length);
- len = usb_pipeout(pipe) ?
- urb->transfer_buffer_length : urb->actual_length;
- for (i = 0; i < 16 && i < len; i++)
- printk(KERN_INFO " %02x", ((__u8 *)urb->transfer_buffer)[i]);
- printk(KERN_INFO "%s stat:%d\n", i < len ? "..." : "", status);
- }
- }
-#endif /* ADMHC_VERBOSE_DEBUG */
-}
-
-#define admhc_dbg_sw(ahcd, next, size, format, arg...) \
- do { \
- if (next) { \
- unsigned s_len; \
- s_len = scnprintf(*next, *size, format, ## arg); \
- *size -= s_len; *next += s_len; \
- } else \
- admhc_dbg(ahcd, format, ## arg); \
- } while (0);
-
-
-static void admhc_dump_intr_mask(struct admhcd *ahcd, char *label, u32 mask,
- char **next, unsigned *size)
-{
- admhc_dbg_sw(ahcd, next, size, "%s 0x%08x%s%s%s%s%s%s%s%s%s%s%s%s\n",
- label,
- mask,
- (mask & ADMHC_INTR_INTA) ? " INTA" : "",
- (mask & ADMHC_INTR_FATI) ? " FATI" : "",
- (mask & ADMHC_INTR_SWI) ? " SWI" : "",
- (mask & ADMHC_INTR_TDC) ? " TDC" : "",
- (mask & ADMHC_INTR_FNO) ? " FNO" : "",
- (mask & ADMHC_INTR_SO) ? " SO" : "",
- (mask & ADMHC_INTR_INSM) ? " INSM" : "",
- (mask & ADMHC_INTR_BABI) ? " BABI" : "",
- (mask & ADMHC_INTR_7) ? " !7!" : "",
- (mask & ADMHC_INTR_6) ? " !6!" : "",
- (mask & ADMHC_INTR_RESI) ? " RESI" : "",
- (mask & ADMHC_INTR_SOFI) ? " SOFI" : ""
- );
-}
-
-static void maybe_print_eds(struct admhcd *ahcd, char *label, u32 value,
- char **next, unsigned *size)
-{
- if (value)
- admhc_dbg_sw(ahcd, next, size, "%s %08x\n", label, value);
-}
-
-static char *buss2string(int state)
-{
- switch (state) {
- case ADMHC_BUSS_RESET:
- return "reset";
- case ADMHC_BUSS_RESUME:
- return "resume";
- case ADMHC_BUSS_OPER:
- return "operational";
- case ADMHC_BUSS_SUSPEND:
- return "suspend";
- }
- return "?state";
-}
-
-static void
-admhc_dump_status(struct admhcd *ahcd, char **next, unsigned *size)
-{
- struct admhcd_regs __iomem *regs = ahcd->regs;
- u32 temp;
-
- temp = admhc_readl(ahcd, &regs->gencontrol);
- admhc_dbg_sw(ahcd, next, size,
- "gencontrol 0x%08x%s%s%s%s\n",
- temp,
- (temp & ADMHC_CTRL_UHFE) ? " UHFE" : "",
- (temp & ADMHC_CTRL_SIR) ? " SIR" : "",
- (temp & ADMHC_CTRL_DMAA) ? " DMAA" : "",
- (temp & ADMHC_CTRL_SR) ? " SR" : ""
- );
-
- temp = admhc_readl(ahcd, &regs->host_control);
- admhc_dbg_sw(ahcd, next, size,
- "host_control 0x%08x BUSS=%s%s\n",
- temp,
- buss2string(temp & ADMHC_HC_BUSS),
- (temp & ADMHC_HC_DMAE) ? " DMAE" : ""
- );
-
- admhc_dump_intr_mask(ahcd, "int_status",
- admhc_readl(ahcd, &regs->int_status),
- next, size);
- admhc_dump_intr_mask(ahcd, "int_enable",
- admhc_readl(ahcd, &regs->int_enable),
- next, size);
-
- maybe_print_eds(ahcd, "hosthead",
- admhc_readl(ahcd, &regs->hosthead), next, size);
-}
-
-#define dbg_port_sw(hc, num, value, next, size) \
- admhc_dbg_sw(hc, next, size, \
- "portstatus [%d] " \
- "0x%08x%s%s%s%s%s%s%s%s%s%s%s%s\n", \
- num, temp, \
- (temp & ADMHC_PS_PRSC) ? " PRSC" : "", \
- (temp & ADMHC_PS_OCIC) ? " OCIC" : "", \
- (temp & ADMHC_PS_PSSC) ? " PSSC" : "", \
- (temp & ADMHC_PS_PESC) ? " PESC" : "", \
- (temp & ADMHC_PS_CSC) ? " CSC" : "", \
- \
- (temp & ADMHC_PS_LSDA) ? " LSDA" : "", \
- (temp & ADMHC_PS_PPS) ? " PPS" : "", \
- (temp & ADMHC_PS_PRS) ? " PRS" : "", \
- (temp & ADMHC_PS_POCI) ? " POCI" : "", \
- (temp & ADMHC_PS_PSS) ? " PSS" : "", \
- \
- (temp & ADMHC_PS_PES) ? " PES" : "", \
- (temp & ADMHC_PS_CCS) ? " CCS" : "" \
- );
-
-
-static void
-admhc_dump_roothub(
- struct admhcd *ahcd,
- int verbose,
- char **next,
- unsigned *size)
-{
- u32 temp, i;
-
- temp = admhc_read_rhdesc(ahcd);
- if (temp == ~(u32)0)
- return;
-
- if (verbose) {
- admhc_dbg_sw(ahcd, next, size,
- "rhdesc %08x%s%s%s%s%s%s PPCM=%02x%s%s%s%s NUMP=%d(%d)\n",
- temp,
- (temp & ADMHC_RH_CRWE) ? " CRWE" : "",
- (temp & ADMHC_RH_OCIC) ? " OCIC" : "",
- (temp & ADMHC_RH_LPSC) ? " LPSC" : "",
- (temp & ADMHC_RH_LPSC) ? " DRWE" : "",
- (temp & ADMHC_RH_LPSC) ? " OCI" : "",
- (temp & ADMHC_RH_LPSC) ? " LPS" : "",
- ((temp & ADMHC_RH_PPCM) >> 16),
- (temp & ADMHC_RH_NOCP) ? " NOCP" : "",
- (temp & ADMHC_RH_OCPM) ? " OCPM" : "",
- (temp & ADMHC_RH_NPS) ? " NPS" : "",
- (temp & ADMHC_RH_PSM) ? " PSM" : "",
- (temp & ADMHC_RH_NUMP), ahcd->num_ports
- );
- }
-
- for (i = 0; i < ahcd->num_ports; i++) {
- temp = admhc_read_portstatus(ahcd, i);
- dbg_port_sw(ahcd, i, temp, next, size);
- }
-}
-
-static void admhc_dump(struct admhcd *ahcd, int verbose)
-{
- admhc_dbg(ahcd, "ADMHC ahcd state\n");
-
- /* dumps some of the state we know about */
- admhc_dump_status(ahcd, NULL, NULL);
- admhc_dbg(ahcd, "current frame #%04x\n",
- admhc_frame_no(ahcd));
-
- admhc_dump_roothub(ahcd, verbose, NULL, NULL);
-}
-
-static const char data0[] = "DATA0";
-static const char data1[] = "DATA1";
-
-static void admhc_dump_td(const struct admhcd *ahcd, const char *label,
- const struct td *td)
-{
- u32 tmp;
-
- admhc_dbg(ahcd, "%s td %p; urb %p index %d; hwNextTD %08x\n",
- label, td,
- td->urb, td->index,
- hc32_to_cpup(ahcd, &td->hwNextTD));
-
- tmp = hc32_to_cpup(ahcd, &td->hwINFO);
- admhc_dbg(ahcd, " status %08x%s CC=%x EC=%d %s %s ISI=%x FN=%x\n",
- tmp,
- (tmp & TD_OWN) ? " OWN" : "",
- TD_CC_GET(tmp),
- TD_EC_GET(tmp),
- td_togglestring(tmp),
- td_pidstring(tmp),
- TD_ISI_GET(tmp),
- TD_FN_GET(tmp));
-
- tmp = hc32_to_cpup(ahcd, &td->hwCBL);
- admhc_dbg(ahcd, " dbp %08x; cbl %08x; LEN=%d%s\n",
- hc32_to_cpup(ahcd, &td->hwDBP),
- tmp,
- TD_BL_GET(tmp),
- (tmp & TD_IE) ? " IE" : "");
-}
-
-/* caller MUST own hcd spinlock if verbose is set! */
-static void __attribute__((unused))
-admhc_dump_ed(const struct admhcd *ahcd, const char *label,
- const struct ed *ed, int verbose)
-{
- u32 tmp = hc32_to_cpu(ahcd, ed->hwINFO);
-
- admhc_dbg(ahcd, "%s ed %p %s type %s; next ed %08x\n",
- label,
- ed, ed_statestring(ed->state), ed_typestring(ed->type),
- hc32_to_cpup(ahcd, &ed->hwNextED));
-
- admhc_dbg(ahcd, " info %08x MAX=%d%s%s%s%s EP=%d DEV=%d\n", tmp,
- ED_MPS_GET(tmp),
- (tmp & ED_ISO) ? " ISO" : "",
- (tmp & ED_SKIP) ? " SKIP" : "",
- (tmp & ED_SPEED_FULL) ? " FULL" : " LOW",
- (tmp & ED_INT) ? " INT" : "",
- ED_EN_GET(tmp),
- ED_FA_GET(tmp));
-
- tmp = hc32_to_cpup(ahcd, &ed->hwHeadP);
- admhc_dbg(ahcd, " tds: head %08x tail %08x %s%s%s\n",
- tmp & TD_MASK,
- hc32_to_cpup(ahcd, &ed->hwTailP),
- (tmp & ED_C) ? data1 : data0,
- (tmp & ED_H) ? " HALT" : "",
- verbose ? " td list follows" : " (not listing)");
-
- if (verbose) {
- struct list_head *tmp;
-
- /* use ed->td_list because HC concurrently modifies
- * hwNextTD as it accumulates ed_donelist.
- */
- list_for_each(tmp, &ed->td_list) {
- struct td *td;
- td = list_entry(tmp, struct td, td_list);
- admhc_dump_td(ahcd, " ->", td);
- }
- }
-}
-
-#else /* ifdef DEBUG */
-
-static inline void urb_print(struct admhcd *ahcd, struct urb * urb, char * str,
- int small, int status) {}
-static inline void admhc_dump_ed(const struct admhcd *ahcd, const char *label,
- const struct ed *ed, int verbose) {}
-static inline void admhc_dump_td(const struct admhcd *ahcd, const char *label,
- const struct td *td) {}
-static inline void admhc_dump(struct admhcd *ahcd, int verbose) {}
-
-#undef ADMHC_VERBOSE_DEBUG
-
-#endif /* DEBUG */
-
-/*-------------------------------------------------------------------------*/
-
-#ifdef STUB_DEBUG_FILES
-
-static inline void create_debug_files(struct admhcd *bus) { }
-static inline void remove_debug_files(struct admhcd *bus) { }
-
-#else
-
-static int debug_async_open(struct inode *, struct file *);
-static int debug_periodic_open(struct inode *, struct file *);
-static int debug_registers_open(struct inode *, struct file *);
-static ssize_t debug_output(struct file*, char __user*, size_t, loff_t*);
-static int debug_close(struct inode *, struct file *);
-
-static const struct file_operations debug_async_fops = {
- .owner = THIS_MODULE,
- .open = debug_async_open,
- .read = debug_output,
- .release = debug_close,
- .llseek = default_llseek,
-};
-static const struct file_operations debug_periodic_fops = {
- .owner = THIS_MODULE,
- .open = debug_periodic_open,
- .read = debug_output,
- .release = debug_close,
- .llseek = default_llseek,
-};
-static const struct file_operations debug_registers_fops = {
- .owner = THIS_MODULE,
- .open = debug_registers_open,
- .read = debug_output,
- .release = debug_close,
- .llseek = default_llseek,
-};
-
-static struct dentry *admhc_debug_root;
-
-struct debug_buffer {
- ssize_t (*fill_func)(struct debug_buffer *); /* fill method */
- struct admhcd *ahcd;
- struct mutex mutex; /* protect filling of buffer */
- size_t count; /* number of characters filled into buffer */
- char *page;
-};
-
-static ssize_t
-show_list(struct admhcd *ahcd, char *buf, size_t count, struct ed *ed)
-{
- unsigned temp;
- unsigned size = count;
-
- if (!ed)
- return 0;
-
- /* dump a snapshot of the bulk or control schedule */
- while (ed) {
- u32 info = hc32_to_cpu(ahcd, ed->hwINFO);
- u32 headp = hc32_to_cpu(ahcd, ed->hwHeadP);
- u32 tailp = hc32_to_cpu(ahcd, ed->hwTailP);
- struct list_head *entry;
- struct td *td;
-
- temp = scnprintf(buf, size,
- "ed/%p %s %s %cs dev%d ep%d %s%smax %d %08x%s%s %s"
- " h:%08x t:%08x",
- ed,
- ed_statestring(ed->state),
- ed_typestring(ed->type),
- (info & ED_SPEED_FULL) ? 'f' : 'l',
- info & ED_FA_MASK,
- (info >> ED_EN_SHIFT) & ED_EN_MASK,
- (info & ED_INT) ? "INT " : "",
- (info & ED_ISO) ? "ISO " : "",
- (info >> ED_MPS_SHIFT) & ED_MPS_MASK ,
- info,
- (info & ED_SKIP) ? " S" : "",
- (headp & ED_H) ? " H" : "",
- (headp & ED_C) ? data1 : data0,
- headp & ED_MASK, tailp);
- size -= temp;
- buf += temp;
-
- list_for_each(entry, &ed->td_list) {
- u32 dbp, cbl;
-
- td = list_entry(entry, struct td, td_list);
- info = hc32_to_cpup(ahcd, &td->hwINFO);
- dbp = hc32_to_cpup(ahcd, &td->hwDBP);
- cbl = hc32_to_cpup(ahcd, &td->hwCBL);
-
- temp = scnprintf(buf, size,
- "\n\ttd/%p %s %d %s%scc=%x urb %p (%08x,%08x)",
- td,
- td_pidstring(info),
- TD_BL_GET(cbl),
- (info & TD_OWN) ? "" : "DONE ",
- (cbl & TD_IE) ? "IE " : "",
- TD_CC_GET(info), td->urb, info, cbl);
- size -= temp;
- buf += temp;
- }
-
- temp = scnprintf(buf, size, "\n");
- size -= temp;
- buf += temp;
-
- ed = ed->ed_next;
- }
-
- return count - size;
-}
-
-static ssize_t fill_async_buffer(struct debug_buffer *buf)
-{
- struct admhcd *ahcd;
- size_t temp;
- unsigned long flags;
-
- ahcd = buf->ahcd;
-
- spin_lock_irqsave(&ahcd->lock, flags);
- temp = show_list(ahcd, buf->page, PAGE_SIZE, ahcd->ed_head);
- spin_unlock_irqrestore(&ahcd->lock, flags);
-
- return temp;
-}
-
-
-#define DBG_SCHED_LIMIT 64
-
-static ssize_t fill_periodic_buffer(struct debug_buffer *buf)
-{
- struct admhcd *ahcd;
- struct ed **seen, *ed;
- unsigned long flags;
- unsigned temp, size, seen_count;
- char *next;
- unsigned i;
-
- seen = kmalloc(DBG_SCHED_LIMIT * sizeof(*seen), GFP_ATOMIC);
- if (!seen)
- return 0;
- seen_count = 0;
-
- ahcd = buf->ahcd;
- next = buf->page;
- size = PAGE_SIZE;
-
- temp = scnprintf(next, size, "size = %d\n", NUM_INTS);
- size -= temp;
- next += temp;
-
- /* dump a snapshot of the periodic schedule (and load) */
- spin_lock_irqsave(&ahcd->lock, flags);
- for (i = 0; i < NUM_INTS; i++) {
- ed = ahcd->periodic[i];
- if (!ed)
- continue;
-
- temp = scnprintf(next, size, "%2d [%3d]:", i, ahcd->load[i]);
- size -= temp;
- next += temp;
-
- do {
- temp = scnprintf(next, size, " ed%d/%p",
- ed->interval, ed);
- size -= temp;
- next += temp;
- for (temp = 0; temp < seen_count; temp++) {
- if (seen[temp] == ed)
- break;
- }
-
- /* show more info the first time around */
- if (temp == seen_count) {
- u32 info = hc32_to_cpu(ahcd, ed->hwINFO);
- struct list_head *entry;
- unsigned qlen = 0;
-
- /* qlen measured here in TDs, not urbs */
- list_for_each(entry, &ed->td_list)
- qlen++;
- temp = scnprintf(next, size,
- " (%cs dev%d ep%d%s qlen %u"
- " max %d %08x%s%s)",
- (info & ED_SPEED_FULL) ? 'f' : 'l',
- ED_FA_GET(info),
- ED_EN_GET(info),
- (info & ED_ISO) ? "iso" : "int",
- qlen,
- ED_MPS_GET(info),
- info,
- (info & ED_SKIP) ? " K" : "",
- (ed->hwHeadP &
- cpu_to_hc32(ahcd, ED_H)) ?
- " H" : "");
- size -= temp;
- next += temp;
-
- if (seen_count < DBG_SCHED_LIMIT)
- seen[seen_count++] = ed;
-
- ed = ed->ed_next;
-
- } else {
- /* we've seen it and what's after */
- temp = 0;
- ed = NULL;
- }
-
- } while (ed);
-
- temp = scnprintf(next, size, "\n");
- size -= temp;
- next += temp;
- }
- spin_unlock_irqrestore(&ahcd->lock, flags);
- kfree(seen);
-
- return PAGE_SIZE - size;
-}
-
-
-#undef DBG_SCHED_LIMIT
-
-static ssize_t fill_registers_buffer(struct debug_buffer *buf)
-{
- struct usb_hcd *hcd;
- struct admhcd *ahcd;
- struct admhcd_regs __iomem *regs;
- unsigned long flags;
- unsigned temp, size;
- char *next;
- u32 rdata;
-
- ahcd = buf->ahcd;
- hcd = admhc_to_hcd(ahcd);
- regs = ahcd->regs;
- next = buf->page;
- size = PAGE_SIZE;
-
- spin_lock_irqsave(&ahcd->lock, flags);
-
- /* dump driver info, then registers in spec order */
-
- admhc_dbg_sw(ahcd, &next, &size,
- "bus %s, device %s\n"
- "%s\n"
- "%s\n",
- hcd->self.controller->bus->name,
- dev_name(hcd->self.controller),
- hcd->product_desc,
- hcd_name);
-
- if (!HCD_HW_ACCESSIBLE(hcd)) {
- size -= scnprintf(next, size,
- "SUSPENDED (no register access)\n");
- goto done;
- }
-
- admhc_dump_status(ahcd, &next, &size);
-
- /* other registers mostly affect frame timings */
- rdata = admhc_readl(ahcd, &regs->fminterval);
- temp = scnprintf(next, size,
- "fmintvl 0x%08x %sFSLDP=0x%04x FI=0x%04x\n",
- rdata, (rdata & ADMHC_SFI_FIT) ? "FIT " : "",
- (rdata >> ADMHC_SFI_FSLDP_SHIFT) & ADMHC_SFI_FSLDP_MASK,
- rdata & ADMHC_SFI_FI_MASK);
- size -= temp;
- next += temp;
-
- rdata = admhc_readl(ahcd, &regs->fmnumber);
- temp = scnprintf(next, size, "fmnumber 0x%08x %sFR=0x%04x FN=%04x\n",
- rdata, (rdata & ADMHC_SFN_FRT) ? "FRT " : "",
- (rdata >> ADMHC_SFN_FR_SHIFT) & ADMHC_SFN_FR_MASK,
- rdata & ADMHC_SFN_FN_MASK);
- size -= temp;
- next += temp;
-
- /* TODO: use predefined bitmask */
- rdata = admhc_readl(ahcd, &regs->lsthresh);
- temp = scnprintf(next, size, "lsthresh 0x%04x\n",
- rdata & 0x3fff);
- size -= temp;
- next += temp;
-
- temp = scnprintf(next, size, "hub poll timer: %s\n",
- admhcd_to_hcd(ahcd)->poll_rh ? "ON" : "OFF");
- size -= temp;
- next += temp;
-
- /* roothub */
- admhc_dump_roothub(ahcd, 1, &next, &size);
-
-done:
- spin_unlock_irqrestore(&ahcd->lock, flags);
- return PAGE_SIZE - size;
-}
-
-
-static struct debug_buffer *alloc_buffer(struct admhcd *ahcd,
- ssize_t (*fill_func)(struct debug_buffer *))
-{
- struct debug_buffer *buf;
-
- buf = kzalloc(sizeof(struct debug_buffer), GFP_KERNEL);
-
- if (buf) {
- buf->ahcd = ahcd;
- buf->fill_func = fill_func;
- mutex_init(&buf->mutex);
- }
-
- return buf;
-}
-
-static int fill_buffer(struct debug_buffer *buf)
-{
- int ret = 0;
-
- if (!buf->page)
- buf->page = (char *)get_zeroed_page(GFP_KERNEL);
-
- if (!buf->page) {
- ret = -ENOMEM;
- goto out;
- }
-
- ret = buf->fill_func(buf);
-
- if (ret >= 0) {
- buf->count = ret;
- ret = 0;
- }
-
-out:
- return ret;
-}
-
-static ssize_t debug_output(struct file *file, char __user *user_buf,
- size_t len, loff_t *offset)
-{
- struct debug_buffer *buf = file->private_data;
- int ret = 0;
-
- mutex_lock(&buf->mutex);
- if (buf->count == 0) {
- ret = fill_buffer(buf);
- if (ret != 0) {
- mutex_unlock(&buf->mutex);
- goto out;
- }
- }
- mutex_unlock(&buf->mutex);
-
- ret = simple_read_from_buffer(user_buf, len, offset,
- buf->page, buf->count);
-
-out:
- return ret;
-}
-
-static int debug_close(struct inode *inode, struct file *file)
-{
- struct debug_buffer *buf = file->private_data;
-
- if (buf) {
- if (buf->page)
- free_page((unsigned long)buf->page);
- kfree(buf);
- }
-
- return 0;
-}
-
-static int debug_async_open(struct inode *inode, struct file *file)
-{
- file->private_data = alloc_buffer(inode->i_private, fill_async_buffer);
-
- return file->private_data ? 0 : -ENOMEM;
-}
-
-static int debug_periodic_open(struct inode *inode, struct file *file)
-{
- file->private_data = alloc_buffer(inode->i_private,
- fill_periodic_buffer);
-
- return file->private_data ? 0 : -ENOMEM;
-}
-
-static int debug_registers_open(struct inode *inode, struct file *file)
-{
- file->private_data = alloc_buffer(inode->i_private,
- fill_registers_buffer);
-
- return file->private_data ? 0 : -ENOMEM;
-}
-
-static inline void create_debug_files(struct admhcd *ahcd)
-{
- struct usb_bus *bus = &admhcd_to_hcd(ahcd)->self;
-
- ahcd->debug_dir = debugfs_create_dir(bus->bus_name, admhc_debug_root);
- if (!ahcd->debug_dir)
- goto dir_error;
-
- ahcd->debug_async = debugfs_create_file("async", S_IRUGO,
- ahcd->debug_dir, ahcd,
- &debug_async_fops);
- if (!ahcd->debug_async)
- goto async_error;
-
- ahcd->debug_periodic = debugfs_create_file("periodic", S_IRUGO,
- ahcd->debug_dir, ahcd,
- &debug_periodic_fops);
- if (!ahcd->debug_periodic)
- goto periodic_error;
-
- ahcd->debug_registers = debugfs_create_file("registers", S_IRUGO,
- ahcd->debug_dir, ahcd,
- &debug_registers_fops);
- if (!ahcd->debug_registers)
- goto registers_error;
-
- admhc_dbg(ahcd, "created debug files\n");
- return;
-
-registers_error:
- debugfs_remove(ahcd->debug_periodic);
-periodic_error:
- debugfs_remove(ahcd->debug_async);
-async_error:
- debugfs_remove(ahcd->debug_dir);
-dir_error:
- ahcd->debug_periodic = NULL;
- ahcd->debug_async = NULL;
- ahcd->debug_dir = NULL;
-}
-
-static inline void remove_debug_files(struct admhcd *ahcd)
-{
- debugfs_remove(ahcd->debug_registers);
- debugfs_remove(ahcd->debug_periodic);
- debugfs_remove(ahcd->debug_async);
- debugfs_remove(ahcd->debug_dir);
-}
-
-#endif
-
-/*-------------------------------------------------------------------------*/
diff --git a/target/linux/adm5120/files-3.18/drivers/usb/host/adm5120-drv.c b/target/linux/adm5120/files-3.18/drivers/usb/host/adm5120-drv.c
deleted file mode 100644
index 798fd22081..0000000000
--- a/target/linux/adm5120/files-3.18/drivers/usb/host/adm5120-drv.c
+++ /dev/null
@@ -1,228 +0,0 @@
-/*
- * ADM5120 HCD (Host Controller Driver) for USB
- *
- * Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org>
- *
- * This file was derived from: drivers/usb/host/ohci-au1xxx.c
- * (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at>
- * (C) Copyright 2000-2002 David Brownell <dbrownell@users.sourceforge.net>
- * (C) Copyright 2002 Hewlett-Packard Company
- *
- * Written by Christopher Hoover <ch@hpl.hp.com>
- * Based on fragments of previous driver by Russell King et al.
- *
- * Modified for LH7A404 from ahcd-sa1111.c
- * by Durgesh Pattamatta <pattamattad@sharpsec.com>
- * Modified for AMD Alchemy Au1xxx
- * by Matt Porter <mporter@kernel.crashing.org>
- *
- * 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.
- *
- */
-
-#include <linux/platform_device.h>
-#include <linux/signal.h>
-
-#include <asm/bootinfo.h>
-#include <asm/mach-adm5120/adm5120_defs.h>
-
-#ifdef DEBUG
-#define HCD_DBG(f, a...) printk(KERN_DEBUG "%s: " f, hcd_name, ## a)
-#else
-#define HCD_DBG(f, a...) do {} while (0)
-#endif
-#define HCD_ERR(f, a...) printk(KERN_ERR "%s: " f, hcd_name, ## a)
-#define HCD_INFO(f, a...) printk(KERN_INFO "%s: " f, hcd_name, ## a)
-
-/*-------------------------------------------------------------------------*/
-
-static int admhc_adm5120_probe(const struct hc_driver *driver,
- struct platform_device *dev)
-{
- int retval;
- struct usb_hcd *hcd;
- int irq;
- struct resource *regs;
-
- /* sanity checks */
- regs = platform_get_resource(dev, IORESOURCE_MEM, 0);
- if (!regs) {
- HCD_DBG("no IOMEM resource found\n");
- return -ENODEV;
- }
-
- irq = platform_get_irq(dev, 0);
- if (irq < 0) {
- HCD_DBG("no IRQ resource found\n");
- return -ENODEV;
- }
-
- hcd = usb_create_hcd(driver, &dev->dev, "ADM5120");
- if (!hcd)
- return -ENOMEM;
-
- hcd->rsrc_start = regs->start;
- hcd->rsrc_len = regs->end - regs->start + 1;
-
- if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
- HCD_DBG("request_mem_region failed\n");
- retval = -EBUSY;
- goto err_dev;
- }
-
- hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
- if (!hcd->regs) {
- HCD_DBG("ioremap failed\n");
- retval = -ENOMEM;
- goto err_mem;
- }
-
- admhc_hcd_init(hcd_to_admhcd(hcd));
-
- retval = usb_add_hcd(hcd, irq, 0);
- if (retval)
- goto err_io;
-
- return 0;
-
-err_io:
- iounmap(hcd->regs);
-err_mem:
- release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-err_dev:
- usb_put_hcd(hcd);
- return retval;
-}
-
-
-/* may be called without controller electrically present */
-/* may be called with controller, bus, and devices active */
-
-static void admhc_adm5120_remove(struct usb_hcd *hcd,
- struct platform_device *dev)
-{
- usb_remove_hcd(hcd);
- iounmap(hcd->regs);
- release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
- usb_put_hcd(hcd);
-}
-
-static int admhc_adm5120_start(struct usb_hcd *hcd)
-{
- struct admhcd *ahcd = hcd_to_admhcd(hcd);
- int ret;
-
- ret = admhc_init(ahcd);
- if (ret < 0) {
- HCD_ERR("unable to init %s\n", hcd->self.bus_name);
- goto err;
- }
-
- ret = admhc_run(ahcd);
- if (ret < 0) {
- HCD_ERR("unable to run %s\n", hcd->self.bus_name);
- goto err_stop;
- }
-
- return 0;
-
-err_stop:
- admhc_stop(hcd);
-err:
- return ret;
-}
-
-static const struct hc_driver adm5120_hc_driver = {
- .description = hcd_name,
- .product_desc = "ADM5120 built-in USB 1.1 Host Controller",
- .hcd_priv_size = sizeof(struct admhcd),
-
- /*
- * generic hardware linkage
- */
- .irq = admhc_irq,
- .flags = HCD_USB11 | HCD_MEMORY,
-
- /*
- * basic lifecycle operations
- */
- .start = admhc_adm5120_start,
- .stop = admhc_stop,
- .shutdown = admhc_shutdown,
-
- /*
- * managing i/o requests and associated device resources
- */
- .urb_enqueue = admhc_urb_enqueue,
- .urb_dequeue = admhc_urb_dequeue,
- .endpoint_disable = admhc_endpoint_disable,
-
- /*
- * scheduling support
- */
- .get_frame_number = admhc_get_frame_number,
-
- /*
- * root hub support
- */
- .hub_status_data = admhc_hub_status_data,
- .hub_control = admhc_hub_control,
-#ifdef CONFIG_PM
- .bus_suspend = admhc_bus_suspend,
- .bus_resume = admhc_bus_resume,
-#endif
- .start_port_reset = admhc_start_port_reset,
-};
-
-static int usb_hcd_adm5120_probe(struct platform_device *pdev)
-{
- int ret;
-
- ret = admhc_adm5120_probe(&adm5120_hc_driver, pdev);
-
- return ret;
-}
-
-static int usb_hcd_adm5120_remove(struct platform_device *pdev)
-{
- struct usb_hcd *hcd = platform_get_drvdata(pdev);
-
- admhc_adm5120_remove(hcd, pdev);
-
- return 0;
-}
-
-#ifdef CONFIG_PM
-/* TODO */
-static int usb_hcd_adm5120_suspend(struct platform_device *dev)
-{
- struct usb_hcd *hcd = platform_get_drvdata(dev);
-
- return 0;
-}
-
-static int usb_hcd_adm5120_resume(struct platform_device *dev)
-{
- struct usb_hcd *hcd = platform_get_drvdata(dev);
-
- return 0;
-}
-#else
-#define usb_hcd_adm5120_suspend NULL
-#define usb_hcd_adm5120_resume NULL
-#endif /* CONFIG_PM */
-
-static struct platform_driver usb_hcd_adm5120_driver = {
- .probe = usb_hcd_adm5120_probe,
- .remove = usb_hcd_adm5120_remove,
- .shutdown = usb_hcd_platform_shutdown,
- .suspend = usb_hcd_adm5120_suspend,
- .resume = usb_hcd_adm5120_resume,
- .driver = {
- .name = "adm5120-hcd",
- .owner = THIS_MODULE,
- },
-};
-
diff --git a/target/linux/adm5120/files-3.18/drivers/usb/host/adm5120-hcd.c b/target/linux/adm5120/files-3.18/drivers/usb/host/adm5120-hcd.c
deleted file mode 100644
index f721ec1ff8..0000000000
--- a/target/linux/adm5120/files-3.18/drivers/usb/host/adm5120-hcd.c
+++ /dev/null
@@ -1,843 +0,0 @@
-/*
- * ADM5120 HCD (Host Controller Driver) for USB
- *
- * Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org>
- *
- * This file was derived from: drivers/usb/host/ohci-hcd.c
- * (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at>
- * (C) Copyright 2000-2004 David Brownell <dbrownell@users.sourceforge.net>
- *
- * [ Initialisation is based on Linus' ]
- * [ uhci code and gregs ahcd fragments ]
- * [ (C) Copyright 1999 Linus Torvalds ]
- * [ (C) Copyright 1999 Gregory P. Smith]
- *
- * 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.
- *
- */
-
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/pci.h>
-#include <linux/kernel.h>
-#include <linux/delay.h>
-#include <linux/ioport.h>
-#include <linux/sched.h>
-#include <linux/slab.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/timer.h>
-#include <linux/list.h>
-#include <linux/usb.h>
-#include <linux/usb/otg.h>
-#include <linux/usb/hcd.h>
-#include <linux/dma-mapping.h>
-#include <linux/dmapool.h>
-#include <linux/debugfs.h>
-#include <linux/io.h>
-
-#include <asm/irq.h>
-#include <asm/unaligned.h>
-#include <asm/byteorder.h>
-
-#define DRIVER_VERSION "0.27.0"
-#define DRIVER_AUTHOR "Gabor Juhos <juhosg@openwrt.org>"
-#define DRIVER_DESC "ADMtek USB 1.1 Host Controller Driver"
-
-/*-------------------------------------------------------------------------*/
-
-#undef ADMHC_VERBOSE_DEBUG /* not always helpful */
-
-/* For initializing controller (mask in an HCFS mode too) */
-#define OHCI_CONTROL_INIT OHCI_CTRL_CBSR
-
-#define ADMHC_INTR_INIT \
- (ADMHC_INTR_MIE | ADMHC_INTR_INSM | ADMHC_INTR_FATI \
- | ADMHC_INTR_RESI | ADMHC_INTR_TDC | ADMHC_INTR_BABI)
-
-/*-------------------------------------------------------------------------*/
-
-static const char hcd_name[] = "admhc-hcd";
-
-#define STATECHANGE_DELAY msecs_to_jiffies(300)
-
-#include "adm5120.h"
-
-static void admhc_dump(struct admhcd *ahcd, int verbose);
-static int admhc_init(struct admhcd *ahcd);
-static void admhc_stop(struct usb_hcd *hcd);
-
-#include "adm5120-dbg.c"
-#include "adm5120-mem.c"
-#include "adm5120-pm.c"
-#include "adm5120-hub.c"
-#include "adm5120-q.c"
-
-/*-------------------------------------------------------------------------*/
-
-/*
- * queue up an urb for anything except the root hub
- */
-static int admhc_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
- gfp_t mem_flags)
-{
- struct admhcd *ahcd = hcd_to_admhcd(hcd);
- struct ed *ed;
- struct urb_priv *urb_priv;
- unsigned int pipe = urb->pipe;
- int td_cnt = 0;
- unsigned long flags;
- int ret = 0;
-
-#ifdef ADMHC_VERBOSE_DEBUG
- spin_lock_irqsave(&ahcd->lock, flags);
- urb_print(ahcd, urb, "ENQEUE", usb_pipein(pipe), -EINPROGRESS);
- spin_unlock_irqrestore(&ahcd->lock, flags);
-#endif
-
- /* every endpoint has an ed, locate and maybe (re)initialize it */
- ed = ed_get(ahcd, urb->ep, urb->dev, pipe, urb->interval);
- if (!ed)
- return -ENOMEM;
-
- /* for the private part of the URB we need the number of TDs */
- switch (ed->type) {
- case PIPE_CONTROL:
- if (urb->transfer_buffer_length > TD_DATALEN_MAX)
- /* td_submit_urb() doesn't yet handle these */
- return -EMSGSIZE;
-
- /* 1 TD for setup, 1 for ACK, plus ... */
- td_cnt = 2;
- /* FALLTHROUGH */
- case PIPE_BULK:
- /* one TD for every 4096 Bytes (can be up to 8K) */
- td_cnt += urb->transfer_buffer_length / TD_DATALEN_MAX;
- /* ... and for any remaining bytes ... */
- if ((urb->transfer_buffer_length % TD_DATALEN_MAX) != 0)
- td_cnt++;
- /* ... and maybe a zero length packet to wrap it up */
- if (td_cnt == 0)
- td_cnt++;
- else if ((urb->transfer_flags & URB_ZERO_PACKET) != 0
- && (urb->transfer_buffer_length
- % usb_maxpacket(urb->dev, pipe,
- usb_pipeout(pipe))) == 0)
- td_cnt++;
- break;
- case PIPE_INTERRUPT:
- /*
- * for Interrupt IN/OUT transactions, each ED contains
- * only 1 TD.
- * TODO: check transfer_buffer_length?
- */
- td_cnt = 1;
- break;
- case PIPE_ISOCHRONOUS:
- /* number of packets from URB */
- td_cnt = urb->number_of_packets;
- break;
- }
-
- urb_priv = urb_priv_alloc(ahcd, td_cnt, mem_flags);
- if (!urb_priv)
- return -ENOMEM;
-
- urb_priv->ed = ed;
-
- spin_lock_irqsave(&ahcd->lock, flags);
- /* don't submit to a dead HC */
- if (!HCD_HW_ACCESSIBLE(hcd)) {
- ret = -ENODEV;
- goto fail;
- }
- if (!HC_IS_RUNNING(hcd->state)) {
- ret = -ENODEV;
- goto fail;
- }
-
- ret = usb_hcd_link_urb_to_ep(hcd, urb);
- if (ret)
- goto fail;
-
- /* schedule the ed if needed */
- if (ed->state == ED_IDLE) {
- ret = ed_schedule(ahcd, ed);
- if (ret < 0) {
- usb_hcd_unlink_urb_from_ep(hcd, urb);
- goto fail;
- }
- if (ed->type == PIPE_ISOCHRONOUS) {
- u16 frame = admhc_frame_no(ahcd);
-
- /* delay a few frames before the first TD */
- frame += max_t (u16, 8, ed->interval);
- frame &= ~(ed->interval - 1);
- frame |= ed->branch;
- urb->start_frame = frame;
-
- /* yes, only URB_ISO_ASAP is supported, and
- * urb->start_frame is never used as input.
- */
- }
- } else if (ed->type == PIPE_ISOCHRONOUS)
- urb->start_frame = ed->last_iso + ed->interval;
-
- /* fill the TDs and link them to the ed; and
- * enable that part of the schedule, if needed
- * and update count of queued periodic urbs
- */
- urb->hcpriv = urb_priv;
- td_submit_urb(ahcd, urb);
-
-#ifdef ADMHC_VERBOSE_DEBUG
- admhc_dump_ed(ahcd, "admhc_urb_enqueue", urb_priv->ed, 1);
-#endif
-
-fail:
- if (ret)
- urb_priv_free(ahcd, urb_priv);
-
- spin_unlock_irqrestore(&ahcd->lock, flags);
- return ret;
-}
-
-/*
- * decouple the URB from the HC queues (TDs, urb_priv);
- * reporting is always done
- * asynchronously, and we might be dealing with an urb that's
- * partially transferred, or an ED with other urbs being unlinked.
- */
-static int admhc_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
- int status)
-{
- struct admhcd *ahcd = hcd_to_admhcd(hcd);
- unsigned long flags;
- int ret;
-
- spin_lock_irqsave(&ahcd->lock, flags);
-
-#ifdef ADMHC_VERBOSE_DEBUG
- urb_print(ahcd, urb, "DEQUEUE", 1, status);
-#endif
- ret = usb_hcd_check_unlink_urb(hcd, urb, status);
- if (ret) {
- /* Do nothing */
- ;
- } else if (HC_IS_RUNNING(hcd->state)) {
- struct urb_priv *urb_priv;
-
- /* Unless an IRQ completed the unlink while it was being
- * handed to us, flag it for unlink and giveback, and force
- * some upcoming INTR_SF to call finish_unlinks()
- */
- urb_priv = urb->hcpriv;
- if (urb_priv) {
- if (urb_priv->ed->state == ED_OPER)
- start_ed_unlink(ahcd, urb_priv->ed);
- }
- } else {
- /*
- * with HC dead, we won't respect hc queue pointers
- * any more ... just clean up every urb's memory.
- */
- if (urb->hcpriv)
- finish_urb(ahcd, urb, status);
- }
- spin_unlock_irqrestore(&ahcd->lock, flags);
-
- return ret;
-}
-
-/*-------------------------------------------------------------------------*/
-
-/* frees config/altsetting state for endpoints,
- * including ED memory, dummy TD, and bulk/intr data toggle
- */
-
-static void admhc_endpoint_disable(struct usb_hcd *hcd,
- struct usb_host_endpoint *ep)
-{
- struct admhcd *ahcd = hcd_to_admhcd(hcd);
- unsigned long flags;
- struct ed *ed = ep->hcpriv;
- unsigned limit = 1000;
-
- /* ASSERT: any requests/urbs are being unlinked */
- /* ASSERT: nobody can be submitting urbs for this any more */
-
- if (!ed)
- return;
-
-#ifdef ADMHC_VERBOSE_DEBUG
- spin_lock_irqsave(&ahcd->lock, flags);
- admhc_dump_ed(ahcd, "EP-DISABLE", ed, 1);
- spin_unlock_irqrestore(&ahcd->lock, flags);
-#endif
-
-rescan:
- spin_lock_irqsave(&ahcd->lock, flags);
-
- if (!HC_IS_RUNNING(hcd->state)) {
-sanitize:
- ed->state = ED_IDLE;
- finish_unlinks(ahcd, 0);
- }
-
- switch (ed->state) {
- case ED_UNLINK: /* wait for hw to finish? */
- /* major IRQ delivery trouble loses INTR_SOFI too... */
- if (limit-- == 0) {
- admhc_warn(ahcd, "IRQ INTR_SOFI lossage\n");
- goto sanitize;
- }
- spin_unlock_irqrestore(&ahcd->lock, flags);
- schedule_timeout_uninterruptible(1);
- goto rescan;
- case ED_IDLE: /* fully unlinked */
- if (list_empty(&ed->td_list)) {
- td_free(ahcd, ed->dummy);
- ed_free(ahcd, ed);
- break;
- }
- /* else FALL THROUGH */
- default:
- /* caller was supposed to have unlinked any requests;
- * that's not our job. can't recover; must leak ed.
- */
- admhc_err(ahcd, "leak ed %p (#%02x) state %d%s\n",
- ed, ep->desc.bEndpointAddress, ed->state,
- list_empty(&ed->td_list) ? "" : " (has tds)");
- td_free(ahcd, ed->dummy);
- break;
- }
-
- ep->hcpriv = NULL;
-
- spin_unlock_irqrestore(&ahcd->lock, flags);
-}
-
-static int admhc_get_frame_number(struct usb_hcd *hcd)
-{
- struct admhcd *ahcd = hcd_to_admhcd(hcd);
-
- return admhc_frame_no(ahcd);
-}
-
-static void admhc_usb_reset(struct admhcd *ahcd)
-{
-#if 0
- ahcd->hc_control = admhc_readl(ahcd, &ahcd->regs->control);
- ahcd->hc_control &= OHCI_CTRL_RWC;
- admhc_writel(ahcd, ahcd->hc_control, &ahcd->regs->control);
-#else
- /* FIXME */
- ahcd->host_control = ADMHC_BUSS_RESET;
- admhc_writel(ahcd, ahcd->host_control, &ahcd->regs->host_control);
-#endif
-}
-
-/* admhc_shutdown forcibly disables IRQs and DMA, helping kexec and
- * other cases where the next software may expect clean state from the
- * "firmware". this is bus-neutral, unlike shutdown() methods.
- */
-static void
-admhc_shutdown(struct usb_hcd *hcd)
-{
- struct admhcd *ahcd;
-
- ahcd = hcd_to_admhcd(hcd);
- admhc_intr_disable(ahcd, ADMHC_INTR_MIE);
- admhc_dma_disable(ahcd);
- admhc_usb_reset(ahcd);
- /* flush the writes */
- admhc_writel_flush(ahcd);
-}
-
-/*-------------------------------------------------------------------------*
- * HC functions
- *-------------------------------------------------------------------------*/
-
-static void admhc_eds_cleanup(struct admhcd *ahcd)
-{
- if (ahcd->ed_tails[PIPE_INTERRUPT]) {
- ed_free(ahcd, ahcd->ed_tails[PIPE_INTERRUPT]);
- ahcd->ed_tails[PIPE_INTERRUPT] = NULL;
- }
-
- if (ahcd->ed_tails[PIPE_ISOCHRONOUS]) {
- ed_free(ahcd, ahcd->ed_tails[PIPE_ISOCHRONOUS]);
- ahcd->ed_tails[PIPE_ISOCHRONOUS] = NULL;
- }
-
- if (ahcd->ed_tails[PIPE_CONTROL]) {
- ed_free(ahcd, ahcd->ed_tails[PIPE_CONTROL]);
- ahcd->ed_tails[PIPE_CONTROL] = NULL;
- }
-
- if (ahcd->ed_tails[PIPE_BULK]) {
- ed_free(ahcd, ahcd->ed_tails[PIPE_BULK]);
- ahcd->ed_tails[PIPE_BULK] = NULL;
- }
-
- ahcd->ed_head = NULL;
-}
-
-#define ED_DUMMY_INFO (ED_SPEED_FULL | ED_SKIP)
-
-static int admhc_eds_init(struct admhcd *ahcd)
-{
- struct ed *ed;
-
- ed = ed_create(ahcd, PIPE_INTERRUPT, ED_DUMMY_INFO);
- if (!ed)
- goto err;
-
- ahcd->ed_tails[PIPE_INTERRUPT] = ed;
-
- ed = ed_create(ahcd, PIPE_ISOCHRONOUS, ED_DUMMY_INFO);
- if (!ed)
- goto err;
-
- ahcd->ed_tails[PIPE_ISOCHRONOUS] = ed;
- ed->ed_prev = ahcd->ed_tails[PIPE_INTERRUPT];
- ahcd->ed_tails[PIPE_INTERRUPT]->ed_next = ed;
- ahcd->ed_tails[PIPE_INTERRUPT]->hwNextED = cpu_to_hc32(ahcd, ed->dma);
-
- ed = ed_create(ahcd, PIPE_CONTROL, ED_DUMMY_INFO);
- if (!ed)
- goto err;
-
- ahcd->ed_tails[PIPE_CONTROL] = ed;
- ed->ed_prev = ahcd->ed_tails[PIPE_ISOCHRONOUS];
- ahcd->ed_tails[PIPE_ISOCHRONOUS]->ed_next = ed;
- ahcd->ed_tails[PIPE_ISOCHRONOUS]->hwNextED = cpu_to_hc32(ahcd, ed->dma);
-
- ed = ed_create(ahcd, PIPE_BULK, ED_DUMMY_INFO);
- if (!ed)
- goto err;
-
- ahcd->ed_tails[PIPE_BULK] = ed;
- ed->ed_prev = ahcd->ed_tails[PIPE_CONTROL];
- ahcd->ed_tails[PIPE_CONTROL]->ed_next = ed;
- ahcd->ed_tails[PIPE_CONTROL]->hwNextED = cpu_to_hc32(ahcd, ed->dma);
-
- ahcd->ed_head = ahcd->ed_tails[PIPE_INTERRUPT];
-
-#ifdef ADMHC_VERBOSE_DEBUG
- admhc_dump_ed(ahcd, "ed intr", ahcd->ed_tails[PIPE_INTERRUPT], 1);
- admhc_dump_ed(ahcd, "ed isoc", ahcd->ed_tails[PIPE_ISOCHRONOUS], 1);
- admhc_dump_ed(ahcd, "ed ctrl", ahcd->ed_tails[PIPE_CONTROL], 1);
- admhc_dump_ed(ahcd, "ed bulk", ahcd->ed_tails[PIPE_BULK], 1);
-#endif
-
- return 0;
-
-err:
- admhc_eds_cleanup(ahcd);
- return -ENOMEM;
-}
-
-/* init memory, and kick BIOS/SMM off */
-
-static int admhc_init(struct admhcd *ahcd)
-{
- struct usb_hcd *hcd = admhcd_to_hcd(ahcd);
- int ret;
-
- admhc_disable(ahcd);
- ahcd->regs = hcd->regs;
-
- /* Disable HC interrupts */
- admhc_intr_disable(ahcd, ADMHC_INTR_MIE);
-
- /* Read the number of ports unless overridden */
- if (ahcd->num_ports == 0)
- ahcd->num_ports = admhc_read_rhdesc(ahcd) & ADMHC_RH_NUMP;
-
- ret = admhc_mem_init(ahcd);
- if (ret)
- goto err;
-
- /* init dummy endpoints */
- ret = admhc_eds_init(ahcd);
- if (ret)
- goto err;
-
- create_debug_files(ahcd);
-
- return 0;
-
-err:
- admhc_stop(hcd);
- return ret;
-}
-
-/*-------------------------------------------------------------------------*/
-
-/* Start an OHCI controller, set the BUS operational
- * resets USB and controller
- * enable interrupts
- */
-static int admhc_run(struct admhcd *ahcd)
-{
- u32 val;
- int first = ahcd->fminterval == 0;
- struct usb_hcd *hcd = admhcd_to_hcd(ahcd);
-
- admhc_disable(ahcd);
-
- /* boot firmware should have set this up (5.1.1.3.1) */
- if (first) {
- val = admhc_readl(ahcd, &ahcd->regs->fminterval);
- ahcd->fminterval = val & ADMHC_SFI_FI_MASK;
- if (ahcd->fminterval != FI)
- admhc_dbg(ahcd, "fminterval delta %d\n",
- ahcd->fminterval - FI);
- ahcd->fminterval |=
- (FSLDP(ahcd->fminterval) << ADMHC_SFI_FSLDP_SHIFT);
- /* also: power/overcurrent flags in rhdesc */
- }
-
-#if 0 /* TODO: not applicable */
- /* Reset USB nearly "by the book". RemoteWakeupConnected has
- * to be checked in case boot firmware (BIOS/SMM/...) has set up
- * wakeup in a way the bus isn't aware of (e.g., legacy PCI PM).
- * If the bus glue detected wakeup capability then it should
- * already be enabled; if so we'll just enable it again.
- */
- if ((ahcd->hc_control & OHCI_CTRL_RWC) != 0)
- device_set_wakeup_capable(hcd->self.controller, 1);
-#endif
-
- switch (ahcd->host_control & ADMHC_HC_BUSS) {
- case ADMHC_BUSS_OPER:
- val = 0;
- break;
- case ADMHC_BUSS_SUSPEND:
- /* FALLTHROUGH ? */
- case ADMHC_BUSS_RESUME:
- ahcd->host_control = ADMHC_BUSS_RESUME;
- val = 10 /* msec wait */;
- break;
- /* case ADMHC_BUSS_RESET: */
- default:
- ahcd->host_control = ADMHC_BUSS_RESET;
- val = 50 /* msec wait */;
- break;
- }
- admhc_writel(ahcd, ahcd->host_control, &ahcd->regs->host_control);
-
- /* flush the writes */
- admhc_writel_flush(ahcd);
-
- msleep(val);
- val = admhc_read_rhdesc(ahcd);
- if (!(val & ADMHC_RH_NPS)) {
- /* power down each port */
- for (val = 0; val < ahcd->num_ports; val++)
- admhc_write_portstatus(ahcd, val, ADMHC_PS_CPP);
- }
- /* flush those writes */
- admhc_writel_flush(ahcd);
-
- /* 2msec timelimit here means no irqs/preempt */
- spin_lock_irq(&ahcd->lock);
-
- admhc_writel(ahcd, ADMHC_CTRL_SR, &ahcd->regs->gencontrol);
- val = 30; /* ... allow extra time */
- while ((admhc_readl(ahcd, &ahcd->regs->gencontrol) & ADMHC_CTRL_SR) != 0) {
- if (--val == 0) {
- spin_unlock_irq(&ahcd->lock);
- admhc_err(ahcd, "USB HC reset timed out!\n");
- return -1;
- }
- udelay(1);
- }
-
- /* enable HOST mode, before access any host specific register */
- admhc_writel(ahcd, ADMHC_CTRL_UHFE, &ahcd->regs->gencontrol);
-
- /* Tell the controller where the descriptor list is */
- admhc_writel(ahcd, (u32)ahcd->ed_head->dma, &ahcd->regs->hosthead);
-
- periodic_reinit(ahcd);
-
- /* use rhsc irqs after khubd is fully initialized */
- set_bit(HCD_FLAG_POLL_RH, &hcd->flags);
- hcd->uses_new_polling = 1;
-
-#if 0
- /* wake on ConnectStatusChange, matching external hubs */
- admhc_writel(ahcd, RH_HS_DRWE, &ahcd->regs->roothub.status);
-#else
- /* FIXME roothub_write_status (ahcd, ADMHC_RH_DRWE); */
-#endif
-
- /* Choose the interrupts we care about now, others later on demand */
- admhc_intr_ack(ahcd, ~0);
- admhc_intr_enable(ahcd, ADMHC_INTR_INIT);
-
- admhc_writel(ahcd, ADMHC_RH_NPS | ADMHC_RH_LPSC, &ahcd->regs->rhdesc);
-
- /* flush those writes */
- admhc_writel_flush(ahcd);
-
- /* start controller operations */
- ahcd->host_control = ADMHC_BUSS_OPER;
- admhc_writel(ahcd, ahcd->host_control, &ahcd->regs->host_control);
-
- val = 20;
- while ((admhc_readl(ahcd, &ahcd->regs->host_control)
- & ADMHC_HC_BUSS) != ADMHC_BUSS_OPER) {
- if (--val == 0) {
- spin_unlock_irq(&ahcd->lock);
- admhc_err(ahcd, "unable to setup operational mode!\n");
- return -1;
- }
- mdelay(1);
- }
-
- hcd->state = HC_STATE_RUNNING;
-
- ahcd->next_statechange = jiffies + STATECHANGE_DELAY;
-
-#if 0
- /* FIXME: enabling DMA is always failed here for an unknown reason */
- admhc_dma_enable(ahcd);
-
- val = 200;
- while ((admhc_readl(ahcd, &ahcd->regs->host_control)
- & ADMHC_HC_DMAE) != ADMHC_HC_DMAE) {
- if (--val == 0) {
- spin_unlock_irq(&ahcd->lock);
- admhc_err(ahcd, "unable to enable DMA!\n");
- admhc_dump(ahcd, 1);
- return -1;
- }
- mdelay(1);
- }
-
-#endif
-
- spin_unlock_irq(&ahcd->lock);
-
- mdelay(ADMHC_POTPGT);
-
- return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-
-/* an interrupt happens */
-
-static irqreturn_t admhc_irq(struct usb_hcd *hcd)
-{
- struct admhcd *ahcd = hcd_to_admhcd(hcd);
- struct admhcd_regs __iomem *regs = ahcd->regs;
- u32 ints;
-
- ints = admhc_readl(ahcd, &regs->int_status);
- if ((ints & ADMHC_INTR_INTA) == 0) {
- /* no unmasked interrupt status is set */
- return IRQ_NONE;
- }
-
- ints &= admhc_readl(ahcd, &regs->int_enable);
-
- if (ints & ADMHC_INTR_FATI) {
- /* e.g. due to PCI Master/Target Abort */
- admhc_disable(ahcd);
- admhc_err(ahcd, "Fatal Error, controller disabled\n");
- admhc_dump(ahcd, 1);
- admhc_usb_reset(ahcd);
- }
-
- if (ints & ADMHC_INTR_BABI) {
- admhc_intr_disable(ahcd, ADMHC_INTR_BABI);
- admhc_intr_ack(ahcd, ADMHC_INTR_BABI);
- admhc_err(ahcd, "Babble Detected\n");
- }
-
- if (ints & ADMHC_INTR_INSM) {
- admhc_vdbg(ahcd, "Root Hub Status Change\n");
- ahcd->next_statechange = jiffies + STATECHANGE_DELAY;
- admhc_intr_ack(ahcd, ADMHC_INTR_RESI | ADMHC_INTR_INSM);
-
- /* NOTE: Vendors didn't always make the same implementation
- * choices for RHSC. Many followed the spec; RHSC triggers
- * on an edge, like setting and maybe clearing a port status
- * change bit. With others it's level-triggered, active
- * until khubd clears all the port status change bits. We'll
- * always disable it here and rely on polling until khubd
- * re-enables it.
- */
- admhc_intr_disable(ahcd, ADMHC_INTR_INSM);
- usb_hcd_poll_rh_status(hcd);
- } else if (ints & ADMHC_INTR_RESI) {
- /* For connect and disconnect events, we expect the controller
- * to turn on RHSC along with RD. But for remote wakeup events
- * this might not happen.
- */
- admhc_vdbg(ahcd, "Resume Detect\n");
- admhc_intr_ack(ahcd, ADMHC_INTR_RESI);
- set_bit(HCD_FLAG_POLL_RH, &hcd->flags);
- if (ahcd->autostop) {
- spin_lock(&ahcd->lock);
- admhc_rh_resume(ahcd);
- spin_unlock(&ahcd->lock);
- } else
- usb_hcd_resume_root_hub(hcd);
- }
-
- if (ints & ADMHC_INTR_TDC) {
- admhc_vdbg(ahcd, "Transfer Descriptor Complete\n");
- admhc_intr_ack(ahcd, ADMHC_INTR_TDC);
- if (HC_IS_RUNNING(hcd->state))
- admhc_intr_disable(ahcd, ADMHC_INTR_TDC);
- spin_lock(&ahcd->lock);
- admhc_td_complete(ahcd);
- spin_unlock(&ahcd->lock);
- if (HC_IS_RUNNING(hcd->state))
- admhc_intr_enable(ahcd, ADMHC_INTR_TDC);
- }
-
- if (ints & ADMHC_INTR_SO) {
- /* could track INTR_SO to reduce available PCI/... bandwidth */
- admhc_vdbg(ahcd, "Schedule Overrun\n");
- }
-
-#if 1
- spin_lock(&ahcd->lock);
- if (ahcd->ed_rm_list)
- finish_unlinks(ahcd, admhc_frame_no(ahcd));
-
- if ((ints & ADMHC_INTR_SOFI) != 0 && !ahcd->ed_rm_list
- && HC_IS_RUNNING(hcd->state))
- admhc_intr_disable(ahcd, ADMHC_INTR_SOFI);
- spin_unlock(&ahcd->lock);
-#else
- if (ints & ADMHC_INTR_SOFI) {
- admhc_vdbg(ahcd, "Start Of Frame\n");
- spin_lock(&ahcd->lock);
-
- /* handle any pending ED removes */
- finish_unlinks(ahcd, admhc_frameno(ahcd));
-
- /* leaving INTR_SOFI enabled when there's still unlinking
- * to be done in the (next frame).
- */
- if ((ahcd->ed_rm_list == NULL) ||
- HC_IS_RUNNING(hcd->state) == 0)
- /*
- * disable INTR_SOFI if there are no unlinking to be
- * done (in the next frame)
- */
- admhc_intr_disable(ahcd, ADMHC_INTR_SOFI);
-
- spin_unlock(&ahcd->lock);
- }
-#endif
-
- if (HC_IS_RUNNING(hcd->state)) {
- admhc_intr_ack(ahcd, ints);
- admhc_intr_enable(ahcd, ADMHC_INTR_MIE);
- admhc_writel_flush(ahcd);
- }
-
- return IRQ_HANDLED;
-}
-
-/*-------------------------------------------------------------------------*/
-
-static void admhc_stop(struct usb_hcd *hcd)
-{
- struct admhcd *ahcd = hcd_to_admhcd(hcd);
-
- admhc_dump(ahcd, 1);
-
- flush_scheduled_work();
-
- admhc_usb_reset(ahcd);
- admhc_intr_disable(ahcd, ADMHC_INTR_MIE);
-
- free_irq(hcd->irq, hcd);
- hcd->irq = -1;
-
- remove_debug_files(ahcd);
- admhc_eds_cleanup(ahcd);
- admhc_mem_cleanup(ahcd);
-}
-
-/*-------------------------------------------------------------------------*/
-
-#ifdef CONFIG_ADM5120
-#include "adm5120-drv.c"
-#define PLATFORM_DRIVER usb_hcd_adm5120_driver
-#endif
-
-#if !defined(PLATFORM_DRIVER)
-#error "missing bus glue for admhc-hcd"
-#endif
-
-#define DRIVER_INFO DRIVER_DESC " version " DRIVER_VERSION
-
-static int __init admhc_hcd_mod_init(void)
-{
- int ret = 0;
-
- if (usb_disabled())
- return -ENODEV;
-
- pr_info("%s: " DRIVER_INFO "\n", hcd_name);
- pr_info("%s: block sizes: ed %Zd td %Zd\n", hcd_name,
- sizeof(struct ed), sizeof(struct td));
- set_bit(USB_OHCI_LOADED, &usb_hcds_loaded);
-
-#ifdef DEBUG
- admhc_debug_root = debugfs_create_dir("admhc", usb_debug_root);
- if (!admhc_debug_root) {
- ret = -ENOENT;
- goto error_debug;
- }
-#endif
-
-#ifdef PLATFORM_DRIVER
- ret = platform_driver_register(&PLATFORM_DRIVER);
- if (ret < 0)
- goto error_platform;
-#endif
-
- return ret;
-
-#ifdef PLATFORM_DRIVER
- platform_driver_unregister(&PLATFORM_DRIVER);
-error_platform:
-#endif
-
-#ifdef DEBUG
- debugfs_remove(admhc_debug_root);
- admhc_debug_root = NULL;
-error_debug:
-#endif
- clear_bit(USB_OHCI_LOADED, &usb_hcds_loaded);
- return ret;
-}
-module_init(admhc_hcd_mod_init);
-
-static void __exit admhc_hcd_mod_exit(void)
-{
- platform_driver_unregister(&PLATFORM_DRIVER);
-#ifdef DEBUG
- debugfs_remove(admhc_debug_root);
-#endif
- clear_bit(USB_OHCI_LOADED, &usb_hcds_loaded);
-}
-module_exit(admhc_hcd_mod_exit);
-
-MODULE_AUTHOR(DRIVER_AUTHOR);
-MODULE_DESCRIPTION(DRIVER_INFO);
-MODULE_VERSION(DRIVER_VERSION);
-MODULE_LICENSE("GPL v2");
diff --git a/target/linux/adm5120/files-3.18/drivers/usb/host/adm5120-hub.c b/target/linux/adm5120/files-3.18/drivers/usb/host/adm5120-hub.c
deleted file mode 100644
index 8cabaf902d..0000000000
--- a/target/linux/adm5120/files-3.18/drivers/usb/host/adm5120-hub.c
+++ /dev/null
@@ -1,430 +0,0 @@
-/*
- * ADM5120 HCD (Host Controller Driver) for USB
- *
- * Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org>
- *
- * This file was derived from: drivers/usb/host/ohci-hub.c
- * (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at>
- * (C) Copyright 2000-2004 David Brownell <dbrownell@users.sourceforge.net>
- *
- * 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.
- *
- */
-
-/*-------------------------------------------------------------------------*/
-
-/*
- * ADM5120 Root Hub ... the nonsharable stuff
- */
-
-#define dbg_port(hc, label, num, value) \
- admhc_dbg(hc, \
- "%s port%d " \
- "= 0x%08x%s%s%s%s%s%s%s%s%s%s%s%s\n", \
- label, num, value, \
- (value & ADMHC_PS_PRSC) ? " PRSC" : "", \
- (value & ADMHC_PS_OCIC) ? " OCIC" : "", \
- (value & ADMHC_PS_PSSC) ? " PSSC" : "", \
- (value & ADMHC_PS_PESC) ? " PESC" : "", \
- (value & ADMHC_PS_CSC) ? " CSC" : "", \
- \
- (value & ADMHC_PS_LSDA) ? " LSDA" : "", \
- (value & ADMHC_PS_PPS) ? " PPS" : "", \
- (value & ADMHC_PS_PRS) ? " PRS" : "", \
- (value & ADMHC_PS_POCI) ? " POCI" : "", \
- (value & ADMHC_PS_PSS) ? " PSS" : "", \
- \
- (value & ADMHC_PS_PES) ? " PES" : "", \
- (value & ADMHC_PS_CCS) ? " CCS" : "" \
- );
-
-#define dbg_port_write(hc, label, num, value) \
- admhc_dbg(hc, \
- "%s port%d " \
- "= 0x%08x%s%s%s%s%s%s%s%s%s%s%s%s\n", \
- label, num, value, \
- (value & ADMHC_PS_PRSC) ? " PRSC" : "", \
- (value & ADMHC_PS_OCIC) ? " OCIC" : "", \
- (value & ADMHC_PS_PSSC) ? " PSSC" : "", \
- (value & ADMHC_PS_PESC) ? " PESC" : "", \
- (value & ADMHC_PS_CSC) ? " CSC" : "", \
- \
- (value & ADMHC_PS_CPP) ? " CPP" : "", \
- (value & ADMHC_PS_SPP) ? " SPP" : "", \
- (value & ADMHC_PS_SPR) ? " SPR" : "", \
- (value & ADMHC_PS_CPS) ? " CPS" : "", \
- (value & ADMHC_PS_SPS) ? " SPS" : "", \
- \
- (value & ADMHC_PS_SPE) ? " SPE" : "", \
- (value & ADMHC_PS_CPE) ? " CPE" : "" \
- );
-
-/*-------------------------------------------------------------------------*/
-
-/* build "status change" packet (one or two bytes) from HC registers */
-
-static int
-admhc_hub_status_data(struct usb_hcd *hcd, char *buf)
-{
- struct admhcd *ahcd = hcd_to_admhcd(hcd);
- int i, changed = 0, length = 1;
- int any_connected = 0;
- unsigned long flags;
- u32 status;
-
- spin_lock_irqsave(&ahcd->lock, flags);
- if (!HCD_HW_ACCESSIBLE(hcd))
- goto done;
-
- /* init status */
- status = admhc_read_rhdesc(ahcd);
- if (status & (ADMHC_RH_LPSC | ADMHC_RH_OCIC))
- buf[0] = changed = 1;
- else
- buf[0] = 0;
- if (ahcd->num_ports > 7) {
- buf[1] = 0;
- length++;
- }
-
- /* look at each port */
- for (i = 0; i < ahcd->num_ports; i++) {
- status = admhc_read_portstatus(ahcd, i);
-
- /* can't autostop if ports are connected */
- any_connected |= (status & ADMHC_PS_CCS);
-
- if (status & (ADMHC_PS_CSC | ADMHC_PS_PESC | ADMHC_PS_PSSC
- | ADMHC_PS_OCIC | ADMHC_PS_PRSC)) {
- changed = 1;
- if (i < 7)
- buf[0] |= 1 << (i + 1);
- else
- buf[1] |= 1 << (i - 7);
- }
- }
-
- if (admhc_root_hub_state_changes(ahcd, changed,
- any_connected))
- set_bit(HCD_FLAG_POLL_RH, &hcd->flags);
- else
- clear_bit(HCD_FLAG_POLL_RH, &hcd->flags);
-
-done:
- spin_unlock_irqrestore(&ahcd->lock, flags);
-
- return changed ? length : 0;
-}
-
-/*-------------------------------------------------------------------------*/
-
-static int admhc_get_hub_descriptor(struct admhcd *ahcd, char *buf)
-{
- struct usb_hub_descriptor *desc = (struct usb_hub_descriptor *)buf;
- u32 rh = admhc_read_rhdesc(ahcd);
- u16 temp;
-
- desc->bDescriptorType = USB_DT_HUB; /* Hub-descriptor */
- desc->bPwrOn2PwrGood = ADMHC_POTPGT/2; /* use default value */
- desc->bHubContrCurrent = 0x00; /* 0mA */
-
- desc->bNbrPorts = ahcd->num_ports;
- temp = 1 + (ahcd->num_ports / 8);
- desc->bDescLength = USB_DT_HUB_NONVAR_SIZE + 2 * temp;
-
- /* FIXME */
- temp = 0;
- if (rh & ADMHC_RH_NPS) /* no power switching? */
- temp |= 0x0002;
- if (rh & ADMHC_RH_PSM) /* per-port power switching? */
- temp |= 0x0001;
- if (rh & ADMHC_RH_NOCP) /* no overcurrent reporting? */
- temp |= 0x0010;
- else if (rh & ADMHC_RH_OCPM) /* per-port overcurrent reporting? */
- temp |= 0x0008;
- desc->wHubCharacteristics = (__force __u16)cpu_to_hc16(ahcd, temp);
-
- /* ports removable, and usb 1.0 legacy PortPwrCtrlMask */
- desc->u.hs.DeviceRemovable[0] = 0;
- desc->u.hs.DeviceRemovable[0] = ~0;
-
- return 0;
-}
-
-static int admhc_get_hub_status(struct admhcd *ahcd, char *buf)
-{
- struct usb_hub_status *hs = (struct usb_hub_status *)buf;
- u32 t = admhc_read_rhdesc(ahcd);
- u16 status, change;
-
- status = 0;
- status |= (t & ADMHC_RH_LPS) ? HUB_STATUS_LOCAL_POWER : 0;
- status |= (t & ADMHC_RH_OCI) ? HUB_STATUS_OVERCURRENT : 0;
-
- change = 0;
- change |= (t & ADMHC_RH_LPSC) ? HUB_CHANGE_LOCAL_POWER : 0;
- change |= (t & ADMHC_RH_OCIC) ? HUB_CHANGE_OVERCURRENT : 0;
-
- hs->wHubStatus = (__force __u16)cpu_to_hc16(ahcd, status);
- hs->wHubChange = (__force __u16)cpu_to_hc16(ahcd, change);
-
- return 0;
-}
-
-static int admhc_get_port_status(struct admhcd *ahcd, unsigned port, char *buf)
-{
- struct usb_port_status *ps = (struct usb_port_status *)buf;
- u32 t = admhc_read_portstatus(ahcd, port);
- u16 status, change;
-
- status = 0;
- status |= (t & ADMHC_PS_CCS) ? USB_PORT_STAT_CONNECTION : 0;
- status |= (t & ADMHC_PS_PES) ? USB_PORT_STAT_ENABLE : 0;
- status |= (t & ADMHC_PS_PSS) ? USB_PORT_STAT_SUSPEND : 0;
- status |= (t & ADMHC_PS_POCI) ? USB_PORT_STAT_OVERCURRENT : 0;
- status |= (t & ADMHC_PS_PRS) ? USB_PORT_STAT_RESET : 0;
- status |= (t & ADMHC_PS_PPS) ? USB_PORT_STAT_POWER : 0;
- status |= (t & ADMHC_PS_LSDA) ? USB_PORT_STAT_LOW_SPEED : 0;
-
- change = 0;
- change |= (t & ADMHC_PS_CSC) ? USB_PORT_STAT_C_CONNECTION : 0;
- change |= (t & ADMHC_PS_PESC) ? USB_PORT_STAT_C_ENABLE : 0;
- change |= (t & ADMHC_PS_PSSC) ? USB_PORT_STAT_C_SUSPEND : 0;
- change |= (t & ADMHC_PS_OCIC) ? USB_PORT_STAT_C_OVERCURRENT : 0;
- change |= (t & ADMHC_PS_PRSC) ? USB_PORT_STAT_C_RESET : 0;
-
- ps->wPortStatus = (__force __u16)cpu_to_hc16(ahcd, status);
- ps->wPortChange = (__force __u16)cpu_to_hc16(ahcd, change);
-
- return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-
-#ifdef CONFIG_USB_OTG
-
-static int admhc_start_port_reset(struct usb_hcd *hcd, unsigned port)
-{
- struct admhcd *ahcd = hcd_to_admhcd(hcd);
- u32 status;
-
- if (!port)
- return -EINVAL;
- port--;
-
- /* start port reset before HNP protocol times out */
- status = admhc_read_portstatus(ahcd, port);
- if (!(status & ADMHC_PS_CCS))
- return -ENODEV;
-
- /* khubd will finish the reset later */
- admhc_write_portstatus(ahcd, port, ADMHC_PS_PRS);
- return 0;
-}
-
-static void start_hnp(struct admhcd *ahcd);
-
-#else
-
-#define admhc_start_port_reset NULL
-
-#endif
-
-/*-------------------------------------------------------------------------*/
-
-
-/* See usb 7.1.7.5: root hubs must issue at least 50 msec reset signaling,
- * not necessarily continuous ... to guard against resume signaling.
- * The short timeout is safe for non-root hubs, and is backward-compatible
- * with earlier Linux hosts.
- */
-#ifdef CONFIG_USB_SUSPEND
-#define PORT_RESET_MSEC 50
-#else
-#define PORT_RESET_MSEC 10
-#endif
-
-/* this timer value might be vendor-specific ... */
-#define PORT_RESET_HW_MSEC 10
-
-/* wrap-aware logic morphed from <linux/jiffies.h> */
-#define tick_before(t1, t2) ((s16)(((s16)(t1)) - ((s16)(t2))) < 0)
-
-/* called from some task, normally khubd */
-static inline int admhc_port_reset(struct admhcd *ahcd, unsigned port)
-{
- u32 t;
-
- admhc_vdbg(ahcd, "reset port%d\n", port);
- t = admhc_read_portstatus(ahcd, port);
- if (!(t & ADMHC_PS_CCS))
- return -ENODEV;
-
- admhc_write_portstatus(ahcd, port, ADMHC_PS_SPR);
- mdelay(10);
- admhc_write_portstatus(ahcd, port, (ADMHC_PS_SPE | ADMHC_PS_CSC));
- mdelay(100);
-
- return 0;
-}
-
-static inline int admhc_port_enable(struct admhcd *ahcd, unsigned port)
-{
- u32 t;
-
- admhc_vdbg(ahcd, "enable port%d\n", port);
- t = admhc_read_portstatus(ahcd, port);
- if (!(t & ADMHC_PS_CCS))
- return -ENODEV;
-
- admhc_write_portstatus(ahcd, port, ADMHC_PS_SPE);
-
- return 0;
-}
-
-static inline int admhc_port_disable(struct admhcd *ahcd, unsigned port)
-{
- u32 t;
-
- admhc_vdbg(ahcd, "disable port%d\n", port);
- t = admhc_read_portstatus(ahcd, port);
- if (!(t & ADMHC_PS_CCS))
- return -ENODEV;
-
- admhc_write_portstatus(ahcd, port, ADMHC_PS_CPE);
-
- return 0;
-}
-
-static inline int admhc_port_write(struct admhcd *ahcd, unsigned port,
- u32 val)
-{
-#ifdef ADMHC_VERBOSE_DEBUG
- dbg_port_write(ahcd, "write", port, val);
-#endif
- admhc_write_portstatus(ahcd, port, val);
-
- return 0;
-}
-
-static int admhc_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
- u16 wIndex, char *buf, u16 wLength)
-{
- struct admhcd *ahcd = hcd_to_admhcd(hcd);
- int ports = ahcd->num_ports;
- int ret = 0;
-
- if (unlikely(!HCD_HW_ACCESSIBLE(hcd)))
- return -ESHUTDOWN;
-
- switch (typeReq) {
- case ClearHubFeature:
- switch (wValue) {
- case C_HUB_OVER_CURRENT:
-#if 0 /* FIXME */
- admhc_writel(ahcd, ADMHC_RH_OCIC,
- &ahcd->regs->roothub.status);
-#endif
- case C_HUB_LOCAL_POWER:
- break;
- default:
- goto error;
- }
- break;
- case ClearPortFeature:
- if (!wIndex || wIndex > ports)
- goto error;
- wIndex--;
-
- switch (wValue) {
- case USB_PORT_FEAT_ENABLE:
- ret = admhc_port_disable(ahcd, wIndex);
- break;
- case USB_PORT_FEAT_SUSPEND:
- ret = admhc_port_write(ahcd, wIndex, ADMHC_PS_CPS);
- break;
- case USB_PORT_FEAT_POWER:
- ret = admhc_port_write(ahcd, wIndex, ADMHC_PS_CPP);
- break;
- case USB_PORT_FEAT_C_CONNECTION:
- ret = admhc_port_write(ahcd, wIndex, ADMHC_PS_CSC);
- break;
- case USB_PORT_FEAT_C_ENABLE:
- ret = admhc_port_write(ahcd, wIndex, ADMHC_PS_PESC);
- break;
- case USB_PORT_FEAT_C_SUSPEND:
- ret = admhc_port_write(ahcd, wIndex, ADMHC_PS_PSSC);
- break;
- case USB_PORT_FEAT_C_OVER_CURRENT:
- ret = admhc_port_write(ahcd, wIndex, ADMHC_PS_OCIC);
- break;
- case USB_PORT_FEAT_C_RESET:
- ret = admhc_port_write(ahcd, wIndex, ADMHC_PS_PRSC);
- break;
- default:
- goto error;
- }
- break;
- case GetHubDescriptor:
- ret = admhc_get_hub_descriptor(ahcd, buf);
- break;
- case GetHubStatus:
- ret = admhc_get_hub_status(ahcd, buf);
- break;
- case GetPortStatus:
- if (!wIndex || wIndex > ports)
- goto error;
- wIndex--;
-
- ret = admhc_get_port_status(ahcd, wIndex, buf);
- break;
- case SetHubFeature:
- switch (wValue) {
- case C_HUB_OVER_CURRENT:
- /* FIXME: this can be cleared, yes? */
- case C_HUB_LOCAL_POWER:
- break;
- default:
- goto error;
- }
- break;
- case SetPortFeature:
- if (!wIndex || wIndex > ports)
- goto error;
- wIndex--;
-
- switch (wValue) {
- case USB_PORT_FEAT_ENABLE:
- ret = admhc_port_enable(ahcd, wIndex);
- break;
- case USB_PORT_FEAT_RESET:
- ret = admhc_port_reset(ahcd, wIndex);
- break;
- case USB_PORT_FEAT_SUSPEND:
-#ifdef CONFIG_USB_OTG
- if (hcd->self.otg_port == (wIndex + 1)
- && hcd->self.b_hnp_enable)
- start_hnp(ahcd);
- else
-#endif
- ret = admhc_port_write(ahcd, wIndex, ADMHC_PS_SPS);
- break;
- case USB_PORT_FEAT_POWER:
- ret = admhc_port_write(ahcd, wIndex, ADMHC_PS_SPP);
- break;
- default:
- goto error;
- }
- break;
-
- default:
-error:
- /* "protocol stall" on error */
- ret = -EPIPE;
- }
-
- return ret;
-}
-
diff --git a/target/linux/adm5120/files-3.18/drivers/usb/host/adm5120-mem.c b/target/linux/adm5120/files-3.18/drivers/usb/host/adm5120-mem.c
deleted file mode 100644
index 79fff70e2d..0000000000
--- a/target/linux/adm5120/files-3.18/drivers/usb/host/adm5120-mem.c
+++ /dev/null
@@ -1,202 +0,0 @@
-/*
- * ADM5120 HCD (Host Controller Driver) for USB
- *
- * Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org>
- *
- * This file was derived from: drivers/usb/host/ohci-mem.c
- * (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at>
- * (C) Copyright 2000-2002 David Brownell <dbrownell@users.sourceforge.net>
- *
- * 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.
- *
- */
-
-/*-------------------------------------------------------------------------*/
-
-/*
- * OHCI deals with three types of memory:
- * - data used only by the HCD ... kmalloc is fine
- * - async and periodic schedules, shared by HC and HCD ... these
- * need to use dma_pool or dma_alloc_coherent
- * - driver buffers, read/written by HC ... the hcd glue or the
- * device driver provides us with dma addresses
- *
- * There's also "register" data, which is memory mapped.
- * No memory seen by this driver (or any HCD) may be paged out.
- */
-
-/*-------------------------------------------------------------------------*/
-
-static void admhc_hcd_init(struct admhcd *ahcd)
-{
- ahcd->next_statechange = jiffies;
- spin_lock_init(&ahcd->lock);
- INIT_LIST_HEAD(&ahcd->pending);
-}
-
-/*-------------------------------------------------------------------------*/
-
-static int admhc_mem_init(struct admhcd *ahcd)
-{
- ahcd->td_cache = dma_pool_create("admhc_td",
- admhcd_to_hcd(ahcd)->self.controller,
- sizeof(struct td),
- TD_ALIGN, /* byte alignment */
- 0 /* no page-crossing issues */
- );
- if (!ahcd->td_cache)
- goto err;
-
- ahcd->ed_cache = dma_pool_create("admhc_ed",
- admhcd_to_hcd(ahcd)->self.controller,
- sizeof(struct ed),
- ED_ALIGN, /* byte alignment */
- 0 /* no page-crossing issues */
- );
- if (!ahcd->ed_cache)
- goto err_td_cache;
-
- return 0;
-
-err_td_cache:
- dma_pool_destroy(ahcd->td_cache);
- ahcd->td_cache = NULL;
-err:
- return -ENOMEM;
-}
-
-static void admhc_mem_cleanup(struct admhcd *ahcd)
-{
- if (ahcd->td_cache) {
- dma_pool_destroy(ahcd->td_cache);
- ahcd->td_cache = NULL;
- }
-
- if (ahcd->ed_cache) {
- dma_pool_destroy(ahcd->ed_cache);
- ahcd->ed_cache = NULL;
- }
-}
-
-/*-------------------------------------------------------------------------*/
-
-/* ahcd "done list" processing needs this mapping */
-static inline struct td *dma_to_td(struct admhcd *ahcd, dma_addr_t td_dma)
-{
- struct td *td;
-
- td_dma &= TD_MASK;
- td = ahcd->td_hash[TD_HASH_FUNC(td_dma)];
- while (td && td->td_dma != td_dma)
- td = td->td_hash;
-
- return td;
-}
-
-/* TDs ... */
-static struct td *td_alloc(struct admhcd *ahcd, gfp_t mem_flags)
-{
- dma_addr_t dma;
- struct td *td;
-
- td = dma_pool_alloc(ahcd->td_cache, mem_flags, &dma);
- if (!td)
- return NULL;
-
- /* in case ahcd fetches it, make it look dead */
- memset(td, 0, sizeof *td);
- td->hwNextTD = cpu_to_hc32(ahcd, dma);
- td->td_dma = dma;
- /* hashed in td_fill */
-
- return td;
-}
-
-static void td_free(struct admhcd *ahcd, struct td *td)
-{
- struct td **prev = &ahcd->td_hash[TD_HASH_FUNC(td->td_dma)];
-
- while (*prev && *prev != td)
- prev = &(*prev)->td_hash;
- if (*prev)
- *prev = td->td_hash;
-#if 0
- /* TODO: remove */
- else if ((td->hwINFO & cpu_to_hc32(ahcd, TD_DONE)) != 0)
- admhc_dbg(ahcd, "no hash for td %p\n", td);
-#else
- else if ((td->flags & TD_FLAG_DONE) != 0)
- admhc_dbg(ahcd, "no hash for td %p\n", td);
-#endif
- dma_pool_free(ahcd->td_cache, td, td->td_dma);
-}
-
-/*-------------------------------------------------------------------------*/
-
-/* EDs ... */
-static struct ed *ed_alloc(struct admhcd *ahcd, gfp_t mem_flags)
-{
- dma_addr_t dma;
- struct ed *ed;
-
- ed = dma_pool_alloc(ahcd->ed_cache, mem_flags, &dma);
- if (!ed)
- return NULL;
-
- memset(ed, 0, sizeof(*ed));
- ed->dma = dma;
-
- INIT_LIST_HEAD(&ed->td_list);
- INIT_LIST_HEAD(&ed->urb_list);
-
- return ed;
-}
-
-static void ed_free(struct admhcd *ahcd, struct ed *ed)
-{
- dma_pool_free(ahcd->ed_cache, ed, ed->dma);
-}
-
-/*-------------------------------------------------------------------------*/
-
-/* URB priv ... */
-static void urb_priv_free(struct admhcd *ahcd, struct urb_priv *urb_priv)
-{
- int i;
-
- for (i = 0; i < urb_priv->td_cnt; i++)
- if (urb_priv->td[i])
- td_free(ahcd, urb_priv->td[i]);
-
- list_del(&urb_priv->pending);
- kfree(urb_priv);
-}
-
-static struct urb_priv *urb_priv_alloc(struct admhcd *ahcd, int num_tds,
- gfp_t mem_flags)
-{
- struct urb_priv *priv;
-
- /* allocate the private part of the URB */
- priv = kzalloc(sizeof(*priv) + sizeof(struct td) * num_tds, mem_flags);
- if (!priv)
- goto err;
-
- /* allocate the TDs (deferring hash chain updates) */
- for (priv->td_cnt = 0; priv->td_cnt < num_tds; priv->td_cnt++) {
- priv->td[priv->td_cnt] = td_alloc(ahcd, mem_flags);
- if (priv->td[priv->td_cnt] == NULL)
- goto err_free;
- }
-
- INIT_LIST_HEAD(&priv->pending);
-
- return priv;
-
-err_free:
- urb_priv_free(ahcd, priv);
-err:
- return NULL;
-}
diff --git a/target/linux/adm5120/files-3.18/drivers/usb/host/adm5120-pm.c b/target/linux/adm5120/files-3.18/drivers/usb/host/adm5120-pm.c
deleted file mode 100644
index 7d7fc2438f..0000000000
--- a/target/linux/adm5120/files-3.18/drivers/usb/host/adm5120-pm.c
+++ /dev/null
@@ -1,449 +0,0 @@
-/*
- * ADM5120 HCD (Host Controller Driver) for USB
- *
- * Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org>
- *
- * This file was derived from fragments of the OHCI driver.
- * (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at>
- * (C) Copyright 2000-2004 David Brownell <dbrownell@users.sourceforge.net>
- *
- * 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.
- *
- */
-
-#define OHCI_SCHED_ENABLES \
- (OHCI_CTRL_CLE|OHCI_CTRL_BLE|OHCI_CTRL_PLE|OHCI_CTRL_IE)
-
-#ifdef CONFIG_PM
-static int admhc_restart(struct admhcd *ahcd);
-
-static int admhc_rh_suspend(struct admhcd *ahcd, int autostop)
-__releases(ahcd->lock)
-__acquires(ahcd->lock)
-{
- int status = 0;
-
- ahcd->hc_control = admhc_readl(ahcd, &ahcd->regs->control);
- switch (ahcd->hc_control & OHCI_CTRL_HCFS) {
- case OHCI_USB_RESUME:
- admhc_dbg(ahcd, "resume/suspend?\n");
- ahcd->hc_control &= ~OHCI_CTRL_HCFS;
- ahcd->hc_control |= OHCI_USB_RESET;
- admhc_writel(ahcd, ahcd->hc_control, &ahcd->ahcd->regs->control);
- (void) admhc_readl(ahcd, &ahcd->regs->control);
- /* FALL THROUGH */
- case OHCI_USB_RESET:
- status = -EBUSY;
- admhc_dbg(ahcd, "needs reinit!\n");
- goto done;
- case OHCI_USB_SUSPEND:
- if (!ahcd->autostop) {
- admhc_dbg(ahcd, "already suspended\n");
- goto done;
- }
- }
- admhc_dbg(ahcd, "%s root hub\n",
- autostop ? "auto-stop" : "suspend");
-
- /* First stop any processing */
- if (!autostop && (ahcd->hc_control & OHCI_SCHED_ENABLES)) {
- ahcd->hc_control &= ~OHCI_SCHED_ENABLES;
- admhc_writel(ahcd, ahcd->hc_control, &ahcd->ahcd->regs->control);
- ahcd->hc_control = admhc_readl(ahcd, &ahcd->regs->control);
- admhc_writel(ahcd, OHCI_INTR_SF, &ahcd->regs->intrstatus);
-
- /* sched disables take effect on the next frame,
- * then the last WDH could take 6+ msec
- */
- admhc_dbg(ahcd, "stopping schedules ...\n");
- ahcd->autostop = 0;
- spin_unlock_irq (&ahcd->lock);
- msleep (8);
- spin_lock_irq(&ahcd->lock);
- }
- dl_done_list (ahcd);
- finish_unlinks (ahcd, admhc_frame_no(ahcd));
-
- /* maybe resume can wake root hub */
- if (device_may_wakeup(&admhcd_to_hcd(ahcd)->self.root_hub->dev) ||
- autostop)
- ahcd->hc_control |= OHCI_CTRL_RWE;
- else {
- admhc_writel(ahcd, OHCI_INTR_RHSC, &ahcd->regs->intrdisable);
- ahcd->hc_control &= ~OHCI_CTRL_RWE;
- }
-
- /* Suspend hub ... this is the "global (to this bus) suspend" mode,
- * which doesn't imply ports will first be individually suspended.
- */
- ahcd->hc_control &= ~OHCI_CTRL_HCFS;
- ahcd->hc_control |= OHCI_USB_SUSPEND;
- admhc_writel(ahcd, ahcd->hc_control, &ahcd->ahcd->regs->control);
- (void) admhc_readl(ahcd, &ahcd->regs->control);
-
- /* no resumes until devices finish suspending */
- if (!autostop) {
- ahcd->next_statechange = jiffies + msecs_to_jiffies (5);
- ahcd->autostop = 0;
- }
-
-done:
- return status;
-}
-
-static inline struct ed *find_head(struct ed *ed)
-{
- /* for bulk and control lists */
- while (ed->ed_prev)
- ed = ed->ed_prev;
- return ed;
-}
-
-/* caller has locked the root hub */
-static int admhc_rh_resume(struct admhcd *ahcd)
-__releases(ahcd->lock)
-__acquires(ahcd->lock)
-{
- struct usb_hcd *hcd = admhcd_to_hcd (ahcd);
- u32 temp, enables;
- int status = -EINPROGRESS;
- int autostopped = ahcd->autostop;
-
- ahcd->autostop = 0;
- ahcd->hc_control = admhc_readl(ahcd, &ahcd->regs->control);
-
- if (ahcd->hc_control & (OHCI_CTRL_IR | OHCI_SCHED_ENABLES)) {
- /* this can happen after resuming a swsusp snapshot */
- if (hcd->state == HC_STATE_RESUMING) {
- admhc_dbg(ahcd, "BIOS/SMM active, control %03x\n",
- ahcd->hc_control);
- status = -EBUSY;
- /* this happens when pmcore resumes HC then root */
- } else {
- admhc_dbg(ahcd, "duplicate resume\n");
- status = 0;
- }
- } else switch (ahcd->hc_control & OHCI_CTRL_HCFS) {
- case OHCI_USB_SUSPEND:
- ahcd->hc_control &= ~(OHCI_CTRL_HCFS|OHCI_SCHED_ENABLES);
- ahcd->hc_control |= OHCI_USB_RESUME;
- admhc_writel(ahcd, ahcd->hc_control, &ahcd->ahcd->regs->control);
- (void) admhc_readl(ahcd, &ahcd->regs->control);
- admhc_dbg(ahcd, "%s root hub\n",
- autostopped ? "auto-start" : "resume");
- break;
- case OHCI_USB_RESUME:
- /* HCFS changes sometime after INTR_RD */
- admhc_dbg(ahcd, "%swakeup root hub\n",
- autostopped ? "auto-" : "");
- break;
- case OHCI_USB_OPER:
- /* this can happen after resuming a swsusp snapshot */
- admhc_dbg(ahcd, "snapshot resume? reinit\n");
- status = -EBUSY;
- break;
- default: /* RESET, we lost power */
- admhc_dbg(ahcd, "lost power\n");
- status = -EBUSY;
- }
- if (status == -EBUSY) {
- if (!autostopped) {
- spin_unlock_irq (&ahcd->lock);
- (void) ahcd_init (ahcd);
- status = admhc_restart (ahcd);
- spin_lock_irq(&ahcd->lock);
- }
- return status;
- }
- if (status != -EINPROGRESS)
- return status;
- if (autostopped)
- goto skip_resume;
- spin_unlock_irq (&ahcd->lock);
-
- /* Some controllers (lucent erratum) need extra-long delays */
- msleep (20 /* usb 11.5.1.10 */ + 12 /* 32 msec counter */ + 1);
-
- temp = admhc_readl(ahcd, &ahcd->regs->control);
- temp &= OHCI_CTRL_HCFS;
- if (temp != OHCI_USB_RESUME) {
- admhc_err (ahcd, "controller won't resume\n");
- spin_lock_irq(&ahcd->lock);
- return -EBUSY;
- }
-
- /* disable old schedule state, reinit from scratch */
- admhc_writel(ahcd, 0, &ahcd->regs->ed_controlhead);
- admhc_writel(ahcd, 0, &ahcd->regs->ed_controlcurrent);
- admhc_writel(ahcd, 0, &ahcd->regs->ed_bulkhead);
- admhc_writel(ahcd, 0, &ahcd->regs->ed_bulkcurrent);
- admhc_writel(ahcd, 0, &ahcd->regs->ed_periodcurrent);
- admhc_writel(ahcd, (u32) ahcd->hcca_dma, &ahcd->ahcd->regs->hcca);
-
- /* Sometimes PCI D3 suspend trashes frame timings ... */
- periodic_reinit(ahcd);
-
- /* the following code is executed with ahcd->lock held and
- * irqs disabled if and only if autostopped is true
- */
-
-skip_resume:
- /* interrupts might have been disabled */
- admhc_writel(ahcd, OHCI_INTR_INIT, &ahcd->regs->int_enable);
- if (ahcd->ed_rm_list)
- admhc_writel(ahcd, OHCI_INTR_SF, &ahcd->regs->int_enable);
-
- /* Then re-enable operations */
- admhc_writel(ahcd, OHCI_USB_OPER, &ahcd->regs->control);
- (void) admhc_readl(ahcd, &ahcd->regs->control);
- if (!autostopped)
- msleep (3);
-
- temp = ahcd->hc_control;
- temp &= OHCI_CTRL_RWC;
- temp |= OHCI_CONTROL_INIT | OHCI_USB_OPER;
- ahcd->hc_control = temp;
- admhc_writel(ahcd, temp, &ahcd->regs->control);
- (void) admhc_readl(ahcd, &ahcd->regs->control);
-
- /* TRSMRCY */
- if (!autostopped) {
- msleep (10);
- spin_lock_irq(&ahcd->lock);
- }
- /* now ahcd->lock is always held and irqs are always disabled */
-
- /* keep it alive for more than ~5x suspend + resume costs */
- ahcd->next_statechange = jiffies + STATECHANGE_DELAY;
-
- /* maybe turn schedules back on */
- enables = 0;
- temp = 0;
- if (!ahcd->ed_rm_list) {
- if (ahcd->ed_controltail) {
- admhc_writel(ahcd,
- find_head (ahcd->ed_controltail)->dma,
- &ahcd->regs->ed_controlhead);
- enables |= OHCI_CTRL_CLE;
- temp |= OHCI_CLF;
- }
- if (ahcd->ed_bulktail) {
- admhc_writel(ahcd, find_head (ahcd->ed_bulktail)->dma,
- &ahcd->regs->ed_bulkhead);
- enables |= OHCI_CTRL_BLE;
- temp |= OHCI_BLF;
- }
- }
- if (hcd->self.bandwidth_isoc_reqs || hcd->self.bandwidth_int_reqs)
- enables |= OHCI_CTRL_PLE|OHCI_CTRL_IE;
- if (enables) {
- admhc_dbg(ahcd, "restarting schedules ... %08x\n", enables);
- ahcd->hc_control |= enables;
- admhc_writel(ahcd, ahcd->hc_control, &ahcd->ahcd->regs->control);
- if (temp)
- admhc_writel(ahcd, temp, &ahcd->regs->cmdstatus);
- (void) admhc_readl(ahcd, &ahcd->regs->control);
- }
-
- return 0;
-}
-
-static int admhc_bus_suspend(struct usb_hcd *hcd)
-{
- struct admhcd *ahcd = hcd_to_admhcd(hcd);
- int rc;
-
- spin_lock_irq(&ahcd->lock);
-
- if (unlikely(!HCD_HW_ACCESSIBLE(hcd)))
- rc = -ESHUTDOWN;
- else
- rc = admhc_rh_suspend(ahcd, 0);
- spin_unlock_irq(&ahcd->lock);
- return rc;
-}
-
-static int admhc_bus_resume(struct usb_hcd *hcd)
-{
- struct admhcd *ahcd = hcd_to_admhcd(hcd);
- int rc;
-
- if (time_before(jiffies, ahcd->next_statechange))
- msleep(5);
-
- spin_lock_irq(&ahcd->lock);
-
- if (unlikely(!HCD_HW_ACCESSIBLE(hcd)))
- rc = -ESHUTDOWN;
- else
- rc = admhc_rh_resume(ahcd);
- spin_unlock_irq(&ahcd->lock);
-
- /* poll until we know a device is connected or we autostop */
- if (rc == 0)
- usb_hcd_poll_rh_status(hcd);
- return rc;
-}
-
-/* Carry out polling-, autostop-, and autoresume-related state changes */
-static int admhc_root_hub_state_changes(struct admhcd *ahcd, int changed,
- int any_connected)
-{
- int poll_rh = 1;
-
- switch (ahcd->hc_control & OHCI_CTRL_HCFS) {
-
- case OHCI_USB_OPER:
- /* keep on polling until we know a device is connected
- * and RHSC is enabled */
- if (!ahcd->autostop) {
- if (any_connected ||
- !device_may_wakeup(&admhcd_to_hcd(ahcd)
- ->self.root_hub->dev)) {
- if (admhc_readl(ahcd, &ahcd->regs->int_enable) &
- OHCI_INTR_RHSC)
- poll_rh = 0;
- } else {
- ahcd->autostop = 1;
- ahcd->next_statechange = jiffies + HZ;
- }
-
- /* if no devices have been attached for one second, autostop */
- } else {
- if (changed || any_connected) {
- ahcd->autostop = 0;
- ahcd->next_statechange = jiffies +
- STATECHANGE_DELAY;
- } else if (time_after_eq(jiffies,
- ahcd->next_statechange)
- && !ahcd->ed_rm_list
- && !(ahcd->hc_control &
- OHCI_SCHED_ENABLES)) {
- ahcd_rh_suspend(ahcd, 1);
- }
- }
- break;
-
- /* if there is a port change, autostart or ask to be resumed */
- case OHCI_USB_SUSPEND:
- case OHCI_USB_RESUME:
- if (changed) {
- if (ahcd->autostop)
- admhc_rh_resume(ahcd);
- else
- usb_hcd_resume_root_hub(admhcd_to_hcd(ahcd));
- } else {
- /* everything is idle, no need for polling */
- poll_rh = 0;
- }
- break;
- }
- return poll_rh;
-}
-
-/*-------------------------------------------------------------------------*/
-
-/* must not be called from interrupt context */
-static int admhc_restart(struct admhcd *ahcd)
-{
- int temp;
- int i;
- struct urb_priv *priv;
-
- /* mark any devices gone, so they do nothing till khubd disconnects.
- * recycle any "live" eds/tds (and urbs) right away.
- * later, khubd disconnect processing will recycle the other state,
- * (either as disconnect/reconnect, or maybe someday as a reset).
- */
- spin_lock_irq(&ahcd->lock);
- admhc_disable(ahcd);
- usb_root_hub_lost_power(admhcd_to_hcd(ahcd)->self.root_hub);
- if (!list_empty(&ahcd->pending))
- admhc_dbg(ahcd, "abort schedule...\n");
- list_for_each_entry(priv, &ahcd->pending, pending) {
- struct urb *urb = priv->td[0]->urb;
- struct ed *ed = priv->ed;
-
- switch (ed->state) {
- case ED_OPER:
- ed->state = ED_UNLINK;
- ed->hwINFO |= cpu_to_hc32(ahcd, ED_DEQUEUE);
- ed_deschedule (ahcd, ed);
-
- ed->ed_next = ahcd->ed_rm_list;
- ed->ed_prev = NULL;
- ahcd->ed_rm_list = ed;
- /* FALLTHROUGH */
- case ED_UNLINK:
- break;
- default:
- admhc_dbg(ahcd, "bogus ed %p state %d\n",
- ed, ed->state);
- }
-
- if (!urb->unlinked)
- urb->unlinked = -ESHUTDOWN;
- }
- finish_unlinks(ahcd, 0);
- spin_unlock_irq(&ahcd->lock);
-
- /* paranoia, in case that didn't work: */
-
- /* empty the interrupt branches */
- for (i = 0; i < NUM_INTS; i++) ahcd->load[i] = 0;
- for (i = 0; i < NUM_INTS; i++) ahcd->hcca->int_table[i] = 0;
-
- /* no EDs to remove */
- ahcd->ed_rm_list = NULL;
-
- /* empty control and bulk lists */
- ahcd->ed_controltail = NULL;
- ahcd->ed_bulktail = NULL;
-
- if ((temp = admhc_run(ahcd)) < 0) {
- admhc_err(ahcd, "can't restart, %d\n", temp);
- return temp;
- } else {
- /* here we "know" root ports should always stay powered,
- * and that if we try to turn them back on the root hub
- * will respond to CSC processing.
- */
- i = ahcd->num_ports;
- while (i--)
- admhc_writel(ahcd, RH_PS_PSS,
- &ahcd->regs->portstatus[i]);
- admhc_dbg(ahcd, "restart complete\n");
- }
- return 0;
-}
-
-#else /* CONFIG_PM */
-
-static inline int admhc_rh_resume(struct admhcd *ahcd)
-{
- return 0;
-}
-
-/* Carry out polling-related state changes.
- * autostop isn't used when CONFIG_PM is turned off.
- */
-static int admhc_root_hub_state_changes(struct admhcd *ahcd, int changed,
- int any_connected)
-{
- /* If INSM is enabled, don't poll */
- if (admhc_readl(ahcd, &ahcd->regs->int_enable) & ADMHC_INTR_INSM)
- return 0;
-
- /* If no status changes are pending, enable status-change interrupts */
- if (!changed) {
- admhc_intr_enable(ahcd, ADMHC_INTR_INSM);
- return 0;
- }
-
- return 1;
-}
-
-#endif /* CONFIG_PM */
-
diff --git a/target/linux/adm5120/files-3.18/drivers/usb/host/adm5120-q.c b/target/linux/adm5120/files-3.18/drivers/usb/host/adm5120-q.c
deleted file mode 100644
index cd9c8920af..0000000000
--- a/target/linux/adm5120/files-3.18/drivers/usb/host/adm5120-q.c
+++ /dev/null
@@ -1,964 +0,0 @@
-/*
- * ADM5120 HCD (Host Controller Driver) for USB
- *
- * Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org>
- *
- * This file was derived from: drivers/usb/host/ohci-q.c
- * (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at>
- * (C) Copyright 2000-2002 David Brownell <dbrownell@users.sourceforge.net>
- *
- * 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.
- *
- */
-
-#include <linux/irq.h>
-#include <linux/slab.h>
-
-/*-------------------------------------------------------------------------*/
-
-/*
- * URB goes back to driver, and isn't reissued.
- * It's completely gone from HC data structures.
- * PRECONDITION: ahcd lock held, irqs blocked.
- */
-static void
-finish_urb(struct admhcd *ahcd, struct urb *urb, int status)
-__releases(ahcd->lock)
-__acquires(ahcd->lock)
-{
- urb_priv_free(ahcd, urb->hcpriv);
-
- if (likely(status == -EINPROGRESS))
- status = 0;
-
- switch (usb_pipetype(urb->pipe)) {
- case PIPE_ISOCHRONOUS:
- admhcd_to_hcd(ahcd)->self.bandwidth_isoc_reqs--;
- break;
- case PIPE_INTERRUPT:
- admhcd_to_hcd(ahcd)->self.bandwidth_int_reqs--;
- break;
- }
-
-#ifdef ADMHC_VERBOSE_DEBUG
- urb_print(ahcd, urb, "RET", usb_pipeout(urb->pipe), status);
-#endif
-
- /* urb->complete() can reenter this HCD */
- usb_hcd_unlink_urb_from_ep(admhcd_to_hcd(ahcd), urb);
- spin_unlock(&ahcd->lock);
- usb_hcd_giveback_urb(admhcd_to_hcd(ahcd), urb, status);
- spin_lock(&ahcd->lock);
-}
-
-
-/*-------------------------------------------------------------------------*
- * ED handling functions
- *-------------------------------------------------------------------------*/
-
-#if 0 /* FIXME */
-/* search for the right schedule branch to use for a periodic ed.
- * does some load balancing; returns the branch, or negative errno.
- */
-static int balance(struct admhcd *ahcd, int interval, int load)
-{
- int i, branch = -ENOSPC;
-
- /* iso periods can be huge; iso tds specify frame numbers */
- if (interval > NUM_INTS)
- interval = NUM_INTS;
-
- /* search for the least loaded schedule branch of that period
- * that has enough bandwidth left unreserved.
- */
- for (i = 0; i < interval ; i++) {
- if (branch < 0 || ahcd->load[branch] > ahcd->load[i]) {
- int j;
-
- /* usb 1.1 says 90% of one frame */
- for (j = i; j < NUM_INTS; j += interval) {
- if ((ahcd->load[j] + load) > 900)
- break;
- }
- if (j < NUM_INTS)
- continue;
- branch = i;
- }
- }
- return branch;
-}
-#endif
-
-/*-------------------------------------------------------------------------*/
-
-#if 0 /* FIXME */
-/* both iso and interrupt requests have periods; this routine puts them
- * into the schedule tree in the apppropriate place. most iso devices use
- * 1msec periods, but that's not required.
- */
-static void periodic_link(struct admhcd *ahcd, struct ed *ed)
-{
- unsigned i;
-
- admhc_vdbg(ahcd, "link %sed %p branch %d [%dus.], interval %d\n",
- (ed->hwINFO & cpu_to_hc32(ahcd, ED_ISO)) ? "iso " : "",
- ed, ed->branch, ed->load, ed->interval);
-
- for (i = ed->branch; i < NUM_INTS; i += ed->interval) {
- struct ed **prev = &ahcd->periodic[i];
- __hc32 *prev_p = &ahcd->hcca->int_table[i];
- struct ed *here = *prev;
-
- /* sorting each branch by period (slow before fast)
- * lets us share the faster parts of the tree.
- * (plus maybe: put interrupt eds before iso)
- */
- while (here && ed != here) {
- if (ed->interval > here->interval)
- break;
- prev = &here->ed_next;
- prev_p = &here->hwNextED;
- here = *prev;
- }
- if (ed != here) {
- ed->ed_next = here;
- if (here)
- ed->hwNextED = *prev_p;
- wmb();
- *prev = ed;
- *prev_p = cpu_to_hc32(ahcd, ed->dma);
- wmb();
- }
- ahcd->load[i] += ed->load;
- }
- admhcd_to_hcd(ahcd)->self.bandwidth_allocated += ed->load / ed->interval;
-}
-#endif
-
-/* link an ed into the HC chain */
-
-static int ed_schedule(struct admhcd *ahcd, struct ed *ed)
-{
- struct ed *old_tail;
-
- if (admhcd_to_hcd(ahcd)->state == HC_STATE_QUIESCING)
- return -EAGAIN;
-
- ed->state = ED_OPER;
-
- old_tail = ahcd->ed_tails[ed->type];
-
- ed->ed_next = old_tail->ed_next;
- if (ed->ed_next) {
- ed->ed_next->ed_prev = ed;
- ed->hwNextED = cpu_to_hc32(ahcd, ed->ed_next->dma);
- }
- ed->ed_prev = old_tail;
-
- old_tail->ed_next = ed;
- old_tail->hwNextED = cpu_to_hc32(ahcd, ed->dma);
-
- ahcd->ed_tails[ed->type] = ed;
-
- admhc_dma_enable(ahcd);
-
- return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-
-#if 0 /* FIXME */
-/* scan the periodic table to find and unlink this ED */
-static void periodic_unlink(struct admhcd *ahcd, struct ed *ed)
-{
- int i;
-
- for (i = ed->branch; i < NUM_INTS; i += ed->interval) {
- struct ed *temp;
- struct ed **prev = &ahcd->periodic[i];
- __hc32 *prev_p = &ahcd->hcca->int_table[i];
-
- while (*prev && (temp = *prev) != ed) {
- prev_p = &temp->hwNextED;
- prev = &temp->ed_next;
- }
- if (*prev) {
- *prev_p = ed->hwNextED;
- *prev = ed->ed_next;
- }
- ahcd->load[i] -= ed->load;
- }
-
- admhcd_to_hcd(ahcd)->self.bandwidth_allocated -= ed->load / ed->interval;
- admhc_vdbg(ahcd, "unlink %sed %p branch %d [%dus.], interval %d\n",
- (ed->hwINFO & cpu_to_hc32(ahcd, ED_ISO)) ? "iso " : "",
- ed, ed->branch, ed->load, ed->interval);
-}
-#endif
-
-/* unlink an ed from the HC chain.
- * just the link to the ed is unlinked.
- * the link from the ed still points to another operational ed or 0
- * so the HC can eventually finish the processing of the unlinked ed
- * (assuming it already started that, which needn't be true).
- *
- * ED_UNLINK is a transient state: the HC may still see this ED, but soon
- * it won't. ED_SKIP means the HC will finish its current transaction,
- * but won't start anything new. The TD queue may still grow; device
- * drivers don't know about this HCD-internal state.
- *
- * When the HC can't see the ED, something changes ED_UNLINK to one of:
- *
- * - ED_OPER: when there's any request queued, the ED gets rescheduled
- * immediately. HC should be working on them.
- *
- * - ED_IDLE: when there's no TD queue. there's no reason for the HC
- * to care about this ED; safe to disable the endpoint.
- *
- * When finish_unlinks() runs later, after SOF interrupt, it will often
- * complete one or more URB unlinks before making that state change.
- */
-static void ed_deschedule(struct admhcd *ahcd, struct ed *ed)
-{
-
-#ifdef ADMHC_VERBOSE_DEBUG
- admhc_dump_ed(ahcd, "ED-DESCHED", ed, 1);
-#endif
-
- ed->hwINFO |= cpu_to_hc32(ahcd, ED_SKIP);
- wmb();
- ed->state = ED_UNLINK;
-
- /* remove this ED from the HC list */
- ed->ed_prev->hwNextED = ed->hwNextED;
-
- /* and remove it from our list also */
- ed->ed_prev->ed_next = ed->ed_next;
-
- if (ed->ed_next)
- ed->ed_next->ed_prev = ed->ed_prev;
-
- if (ahcd->ed_tails[ed->type] == ed)
- ahcd->ed_tails[ed->type] = ed->ed_prev;
-}
-
-/*-------------------------------------------------------------------------*/
-
-static struct ed *ed_create(struct admhcd *ahcd, unsigned int type, u32 info)
-{
- struct ed *ed;
- struct td *td;
-
- ed = ed_alloc(ahcd, GFP_ATOMIC);
- if (!ed)
- goto err;
-
- /* dummy td; end of td list for this ed */
- td = td_alloc(ahcd, GFP_ATOMIC);
- if (!td)
- goto err_free_ed;
-
- switch (type) {
- case PIPE_INTERRUPT:
- info |= ED_INT;
- break;
- case PIPE_ISOCHRONOUS:
- info |= ED_ISO;
- break;
- }
-
- ed->dummy = td;
- ed->state = ED_IDLE;
- ed->type = type;
-
- ed->hwINFO = cpu_to_hc32(ahcd, info);
- ed->hwTailP = cpu_to_hc32(ahcd, td->td_dma);
- ed->hwHeadP = ed->hwTailP; /* ED_C, ED_H zeroed */
-
- return ed;
-
-err_free_ed:
- ed_free(ahcd, ed);
-err:
- return NULL;
-}
-
-/* get and maybe (re)init an endpoint. init _should_ be done only as part
- * of enumeration, usb_set_configuration() or usb_set_interface().
- */
-static struct ed *ed_get(struct admhcd *ahcd, struct usb_host_endpoint *ep,
- struct usb_device *udev, unsigned int pipe, int interval)
-{
- struct ed *ed;
- unsigned long flags;
-
- spin_lock_irqsave(&ahcd->lock, flags);
-
- ed = ep->hcpriv;
- if (!ed) {
- u32 info;
-
- /* FIXME: usbcore changes dev->devnum before SET_ADDRESS
- * succeeds ... otherwise we wouldn't need "pipe".
- */
- info = usb_pipedevice(pipe);
- info |= (ep->desc.bEndpointAddress & ~USB_DIR_IN) << ED_EN_SHIFT;
- info |= le16_to_cpu(ep->desc.wMaxPacketSize) << ED_MPS_SHIFT;
- if (udev->speed == USB_SPEED_FULL)
- info |= ED_SPEED_FULL;
-
- ed = ed_create(ahcd, usb_pipetype(pipe), info);
- if (ed)
- ep->hcpriv = ed;
- }
-
- spin_unlock_irqrestore(&ahcd->lock, flags);
-
- return ed;
-}
-
-/*-------------------------------------------------------------------------*/
-
-/* request unlinking of an endpoint from an operational HC.
- * put the ep on the rm_list
- * real work is done at the next start frame (SOFI) hardware interrupt
- * caller guarantees HCD is running, so hardware access is safe,
- * and that ed->state is ED_OPER
- */
-static void start_ed_unlink(struct admhcd *ahcd, struct ed *ed)
-{
-
-#ifdef ADMHC_VERBOSE_DEBUG
- admhc_dump_ed(ahcd, "ED-UNLINK", ed, 1);
-#endif
-
- ed->hwINFO |= cpu_to_hc32(ahcd, ED_DEQUEUE);
- ed_deschedule(ahcd, ed);
-
- /* add this ED into the remove list */
- ed->ed_rm_next = ahcd->ed_rm_list;
- ahcd->ed_rm_list = ed;
-
- /* enable SOF interrupt */
- admhc_intr_ack(ahcd, ADMHC_INTR_SOFI);
- admhc_intr_enable(ahcd, ADMHC_INTR_SOFI);
- /* flush those writes */
- admhc_writel_flush(ahcd);
-
- /* SOF interrupt might get delayed; record the frame counter value that
- * indicates when the HC isn't looking at it, so concurrent unlinks
- * behave. frame_no wraps every 2^16 msec, and changes right before
- * SOF is triggered.
- */
- ed->tick = admhc_frame_no(ahcd) + 1;
-}
-
-/*-------------------------------------------------------------------------*
- * TD handling functions
- *-------------------------------------------------------------------------*/
-
-/* enqueue next TD for this URB (OHCI spec 5.2.8.2) */
-
-static void
-td_fill(struct admhcd *ahcd, u32 info, dma_addr_t data, int len,
- struct urb *urb, int index)
-{
- struct td *td, *td_pt;
- struct urb_priv *urb_priv = urb->hcpriv;
- int hash;
- u32 cbl = 0;
-
-#if 1
- if (index == (urb_priv->td_cnt - 1) &&
- ((urb->transfer_flags & URB_NO_INTERRUPT) == 0))
- cbl |= TD_IE;
-#else
- if (index == (urb_priv->td_cnt - 1))
- cbl |= TD_IE;
-#endif
-
- /* use this td as the next dummy */
- td_pt = urb_priv->td[index];
-
- /* fill the old dummy TD */
- td = urb_priv->td[index] = urb_priv->ed->dummy;
- urb_priv->ed->dummy = td_pt;
-
- td->ed = urb_priv->ed;
- td->next_dl_td = NULL;
- td->index = index;
- td->urb = urb;
- td->data_dma = data;
- if (!len)
- data = 0;
-
- if (data)
- cbl |= (len & TD_BL_MASK);
-
- info |= TD_OWN;
-
- /* setup hardware specific fields */
- td->hwINFO = cpu_to_hc32(ahcd, info);
- td->hwDBP = cpu_to_hc32(ahcd, data);
- td->hwCBL = cpu_to_hc32(ahcd, cbl);
- td->hwNextTD = cpu_to_hc32(ahcd, td_pt->td_dma);
-
- /* append to queue */
- list_add_tail(&td->td_list, &td->ed->td_list);
-
- /* hash it for later reverse mapping */
- hash = TD_HASH_FUNC(td->td_dma);
- td->td_hash = ahcd->td_hash[hash];
- ahcd->td_hash[hash] = td;
-
- /* HC might read the TD (or cachelines) right away ... */
- wmb();
- td->ed->hwTailP = td->hwNextTD;
-}
-
-/*-------------------------------------------------------------------------*/
-
-/* Prepare all TDs of a transfer, and queue them onto the ED.
- * Caller guarantees HC is active.
- * Usually the ED is already on the schedule, so TDs might be
- * processed as soon as they're queued.
- */
-static void td_submit_urb(struct admhcd *ahcd, struct urb *urb)
-{
- struct urb_priv *urb_priv = urb->hcpriv;
- dma_addr_t data;
- int data_len = urb->transfer_buffer_length;
- int cnt = 0;
- u32 info = 0;
- int is_out = usb_pipeout(urb->pipe);
- u32 toggle = 0;
-
- /* OHCI handles the bulk/interrupt data toggles itself. We just
- * use the device toggle bits for resetting, and rely on the fact
- * that resetting toggle is meaningless if the endpoint is active.
- */
-
- if (usb_gettoggle(urb->dev, usb_pipeendpoint(urb->pipe), is_out)) {
- toggle = TD_T_CARRY;
- } else {
- toggle = TD_T_DATA0;
- usb_settoggle(urb->dev, usb_pipeendpoint (urb->pipe),
- is_out, 1);
- }
-
- urb_priv->td_idx = 0;
- list_add(&urb_priv->pending, &ahcd->pending);
-
- if (data_len)
- data = urb->transfer_dma;
- else
- data = 0;
-
- /* NOTE: TD_CC is set so we can tell which TDs the HC processed by
- * using TD_CC_GET, as well as by seeing them on the done list.
- * (CC = NotAccessed ... 0x0F, or 0x0E in PSWs for ISO.)
- */
- switch (urb_priv->ed->type) {
- case PIPE_INTERRUPT:
- info = is_out
- ? TD_T_CARRY | TD_SCC_NOTACCESSED | TD_DP_OUT
- : TD_T_CARRY | TD_SCC_NOTACCESSED | TD_DP_IN;
-
- /* setup service interval and starting frame number */
- info |= (urb->start_frame & TD_FN_MASK);
- info |= (urb->interval & TD_ISI_MASK) << TD_ISI_SHIFT;
-
- td_fill(ahcd, info, data, data_len, urb, cnt);
- cnt++;
-
- admhcd_to_hcd(ahcd)->self.bandwidth_int_reqs++;
- break;
-
- case PIPE_BULK:
- info = is_out
- ? TD_SCC_NOTACCESSED | TD_DP_OUT
- : TD_SCC_NOTACCESSED | TD_DP_IN;
-
- /* TDs _could_ transfer up to 8K each */
- while (data_len > TD_DATALEN_MAX) {
- td_fill(ahcd, info | ((cnt) ? TD_T_CARRY : toggle),
- data, TD_DATALEN_MAX, urb, cnt);
- data += TD_DATALEN_MAX;
- data_len -= TD_DATALEN_MAX;
- cnt++;
- }
-
- td_fill(ahcd, info | ((cnt) ? TD_T_CARRY : toggle), data,
- data_len, urb, cnt);
- cnt++;
-
- if ((urb->transfer_flags & URB_ZERO_PACKET)
- && (cnt < urb_priv->td_cnt)) {
- td_fill(ahcd, info | ((cnt) ? TD_T_CARRY : toggle),
- 0, 0, urb, cnt);
- cnt++;
- }
- break;
-
- /* control manages DATA0/DATA1 toggle per-request; SETUP resets it,
- * any DATA phase works normally, and the STATUS ack is special.
- */
- case PIPE_CONTROL:
- /* fill a TD for the setup */
- info = TD_SCC_NOTACCESSED | TD_DP_SETUP | TD_T_DATA0;
- td_fill(ahcd, info, urb->setup_dma, 8, urb, cnt++);
-
- if (data_len > 0) {
- /* fill a TD for the data */
- info = TD_SCC_NOTACCESSED | TD_T_DATA1;
- info |= is_out ? TD_DP_OUT : TD_DP_IN;
- /* NOTE: mishandles transfers >8K, some >4K */
- td_fill(ahcd, info, data, data_len, urb, cnt++);
- }
-
- /* fill a TD for the ACK */
- info = (is_out || data_len == 0)
- ? TD_SCC_NOTACCESSED | TD_DP_IN | TD_T_DATA1
- : TD_SCC_NOTACCESSED | TD_DP_OUT | TD_T_DATA1;
- td_fill(ahcd, info, data, 0, urb, cnt++);
-
- break;
-
- /* ISO has no retransmit, so no toggle;
- * Each TD could handle multiple consecutive frames (interval 1);
- * we could often reduce the number of TDs here.
- */
- case PIPE_ISOCHRONOUS:
- info = is_out
- ? TD_T_CARRY | TD_SCC_NOTACCESSED | TD_DP_OUT
- : TD_T_CARRY | TD_SCC_NOTACCESSED | TD_DP_IN;
-
- for (cnt = 0; cnt < urb->number_of_packets; cnt++) {
- int frame = urb->start_frame;
-
- frame += cnt * urb->interval;
- frame &= TD_FN_MASK;
- td_fill(ahcd, info | frame,
- data + urb->iso_frame_desc[cnt].offset,
- urb->iso_frame_desc[cnt].length, urb, cnt);
- }
- admhcd_to_hcd(ahcd)->self.bandwidth_isoc_reqs++;
- break;
- }
-
- if (urb_priv->td_cnt != cnt)
- admhc_err(ahcd, "bad number of tds created for urb %p\n", urb);
-}
-
-/*-------------------------------------------------------------------------*
- * Done List handling functions
- *-------------------------------------------------------------------------*/
-
-/* calculate transfer length/status and update the urb */
-static int td_done(struct admhcd *ahcd, struct urb *urb, struct td *td)
-{
- struct urb_priv *urb_priv = urb->hcpriv;
- u32 info;
- u32 bl;
- u32 tdDBP;
- int type = usb_pipetype(urb->pipe);
- int cc;
- int status = -EINPROGRESS;
-
- info = hc32_to_cpup(ahcd, &td->hwINFO);
- tdDBP = hc32_to_cpup(ahcd, &td->hwDBP);
- bl = TD_BL_GET(hc32_to_cpup(ahcd, &td->hwCBL));
- cc = TD_CC_GET(info);
-
- /* ISO ... drivers see per-TD length/status */
- if (type == PIPE_ISOCHRONOUS) {
- /* TODO */
- int dlen = 0;
-
- /* NOTE: assumes FC in tdINFO == 0, and that
- * only the first of 0..MAXPSW psws is used.
- */
- if (info & TD_CC) /* hc didn't touch? */
- return status;
-
- if (usb_pipeout(urb->pipe))
- dlen = urb->iso_frame_desc[td->index].length;
- else {
- /* short reads are always OK for ISO */
- if (cc == TD_CC_DATAUNDERRUN)
- cc = TD_CC_NOERROR;
- dlen = tdDBP - td->data_dma + bl;
- }
-
- urb->actual_length += dlen;
- urb->iso_frame_desc[td->index].actual_length = dlen;
- urb->iso_frame_desc[td->index].status = cc_to_error[cc];
-
- if (cc != TD_CC_NOERROR)
- admhc_vdbg(ahcd,
- "urb %p iso td %p (%d) len %d cc %d\n",
- urb, td, 1 + td->index, dlen, cc);
-
- /* BULK, INT, CONTROL ... drivers see aggregate length/status,
- * except that "setup" bytes aren't counted and "short" transfers
- * might not be reported as errors.
- */
- } else {
- /* update packet status if needed (short is normally ok) */
- if (cc == TD_CC_DATAUNDERRUN
- && !(urb->transfer_flags & URB_SHORT_NOT_OK))
- cc = TD_CC_NOERROR;
-
- if (cc != TD_CC_NOERROR && cc < TD_CC_HCD0)
- status = cc_to_error[cc];
-
-
- /* count all non-empty packets except control SETUP packet */
- if ((type != PIPE_CONTROL || td->index != 0) && tdDBP != 0)
- urb->actual_length += tdDBP - td->data_dma + bl;
-
- if (cc != TD_CC_NOERROR && cc < TD_CC_HCD0)
- admhc_vdbg(ahcd,
- "urb %p td %p (%d) cc %d, len=%d/%d\n",
- urb, td, td->index, cc,
- urb->actual_length,
- urb->transfer_buffer_length);
- }
-
- list_del(&td->td_list);
- urb_priv->td_idx++;
-
- return status;
-}
-
-/*-------------------------------------------------------------------------*/
-
-static void ed_halted(struct admhcd *ahcd, struct td *td, int cc)
-{
- struct urb *urb = td->urb;
- struct urb_priv *urb_priv = urb->hcpriv;
- struct ed *ed = td->ed;
- struct list_head *tmp = td->td_list.next;
- __hc32 toggle = ed->hwHeadP & cpu_to_hc32(ahcd, ED_C);
-
- admhc_dump_ed(ahcd, "ed halted", td->ed, 1);
- /* clear ed halt; this is the td that caused it, but keep it inactive
- * until its urb->complete() has a chance to clean up.
- */
- ed->hwINFO |= cpu_to_hc32(ahcd, ED_SKIP);
- wmb();
- ed->hwHeadP &= ~cpu_to_hc32(ahcd, ED_H);
-
- /* Get rid of all later tds from this urb. We don't have
- * to be careful: no errors and nothing was transferred.
- * Also patch the ed so it looks as if those tds completed normally.
- */
- while (tmp != &ed->td_list) {
- struct td *next;
-
- next = list_entry(tmp, struct td, td_list);
- tmp = next->td_list.next;
-
- if (next->urb != urb)
- break;
-
- /* NOTE: if multi-td control DATA segments get supported,
- * this urb had one of them, this td wasn't the last td
- * in that segment (TD_R clear), this ed halted because
- * of a short read, _and_ URB_SHORT_NOT_OK is clear ...
- * then we need to leave the control STATUS packet queued
- * and clear ED_SKIP.
- */
- list_del(&next->td_list);
- urb_priv->td_cnt++;
- ed->hwHeadP = next->hwNextTD | toggle;
- }
-
- /* help for troubleshooting: report anything that
- * looks odd ... that doesn't include protocol stalls
- * (or maybe some other things)
- */
- switch (cc) {
- case TD_CC_DATAUNDERRUN:
- if ((urb->transfer_flags & URB_SHORT_NOT_OK) == 0)
- break;
- /* fallthrough */
- case TD_CC_STALL:
- if (usb_pipecontrol(urb->pipe))
- break;
- /* fallthrough */
- default:
- admhc_dbg(ahcd,
- "urb %p path %s ep%d%s %08x cc %d --> status %d\n",
- urb, urb->dev->devpath,
- usb_pipeendpoint (urb->pipe),
- usb_pipein(urb->pipe) ? "in" : "out",
- hc32_to_cpu(ahcd, td->hwINFO),
- cc, cc_to_error[cc]);
- }
-}
-
-/*-------------------------------------------------------------------------*/
-
-/* there are some urbs/eds to unlink; called in_irq(), with HCD locked */
-static void
-finish_unlinks(struct admhcd *ahcd, u16 tick)
-{
- struct ed *ed, **last;
-
-rescan_all:
- for (last = &ahcd->ed_rm_list, ed = *last; ed != NULL; ed = *last) {
- struct list_head *entry, *tmp;
- int completed, modified;
- __hc32 *prev;
-
- /* only take off EDs that the HC isn't using, accounting for
- * frame counter wraps and EDs with partially retired TDs
- */
- if (likely(HC_IS_RUNNING(admhcd_to_hcd(ahcd)->state))) {
- if (tick_before(tick, ed->tick)) {
-skip_ed:
- last = &ed->ed_rm_next;
- continue;
- }
-#if 0
- if (!list_empty(&ed->td_list)) {
- struct td *td;
- u32 head;
-
- td = list_entry(ed->td_list.next, struct td,
- td_list);
- head = hc32_to_cpu(ahcd, ed->hwHeadP) &
- TD_MASK;
-
- /* INTR_WDH may need to clean up first */
- if (td->td_dma != head)
- goto skip_ed;
- }
-#endif
- }
-
- /* reentrancy: if we drop the schedule lock, someone might
- * have modified this list. normally it's just prepending
- * entries (which we'd ignore), but paranoia won't hurt.
- */
- *last = ed->ed_rm_next;
- ed->ed_rm_next = NULL;
- modified = 0;
-
- /* unlink urbs as requested, but rescan the list after
- * we call a completion since it might have unlinked
- * another (earlier) urb
- *
- * When we get here, the HC doesn't see this ed. But it
- * must not be rescheduled until all completed URBs have
- * been given back to the driver.
- */
-rescan_this:
- completed = 0;
- prev = &ed->hwHeadP;
- list_for_each_safe(entry, tmp, &ed->td_list) {
- struct td *td;
- struct urb *urb;
- struct urb_priv *urb_priv;
- __hc32 savebits;
- u32 tdINFO;
- int status;
-
- td = list_entry(entry, struct td, td_list);
- urb = td->urb;
- urb_priv = td->urb->hcpriv;
-
- if (!urb->unlinked) {
- prev = &td->hwNextTD;
- continue;
- }
-
- if ((urb_priv) == NULL)
- continue;
-
- /* patch pointer hc uses */
- savebits = *prev & ~cpu_to_hc32(ahcd, TD_MASK);
- *prev = td->hwNextTD | savebits;
- /* If this was unlinked, the TD may not have been
- * retired ... so manually save dhe data toggle.
- * The controller ignores the value we save for
- * control and ISO endpoints.
- */
- tdINFO = hc32_to_cpup(ahcd, &td->hwINFO);
- if ((tdINFO & TD_T) == TD_T_DATA0)
- ed->hwHeadP &= ~cpu_to_hc32(ahcd, ED_C);
- else if ((tdINFO & TD_T) == TD_T_DATA1)
- ed->hwHeadP |= cpu_to_hc32(ahcd, ED_C);
-
- /* HC may have partly processed this TD */
-#ifdef ADMHC_VERBOSE_DEBUG
- urb_print(ahcd, urb, "PARTIAL", 0);
-#endif
- status = td_done(ahcd, urb, td);
-
- /* if URB is done, clean up */
- if (urb_priv->td_idx == urb_priv->td_cnt) {
- modified = completed = 1;
- finish_urb(ahcd, urb, status);
- }
- }
- if (completed && !list_empty(&ed->td_list))
- goto rescan_this;
-
- /* ED's now officially unlinked, hc doesn't see */
- ed->state = ED_IDLE;
- ed->hwHeadP &= ~cpu_to_hc32(ahcd, ED_H);
- ed->hwNextED = 0;
- wmb();
- ed->hwINFO &= ~cpu_to_hc32(ahcd, ED_SKIP | ED_DEQUEUE);
-
- /* but if there's work queued, reschedule */
- if (!list_empty(&ed->td_list)) {
- if (HC_IS_RUNNING(admhcd_to_hcd(ahcd)->state))
- ed_schedule(ahcd, ed);
- }
-
- if (modified)
- goto rescan_all;
- }
-}
-
-/*-------------------------------------------------------------------------*/
-/*
- * Process normal completions (error or success) and clean the schedules.
- *
- * This is the main path for handing urbs back to drivers. The only other
- * normal path is finish_unlinks(), which unlinks URBs using ed_rm_list,
- * instead of scanning the (re-reversed) donelist as this does.
- */
-
-static void ed_unhalt(struct admhcd *ahcd, struct ed *ed, struct urb *urb)
-{
- struct list_head *entry, *tmp;
- __hc32 toggle = ed->hwHeadP & cpu_to_hc32(ahcd, ED_C);
-
-#ifdef ADMHC_VERBOSE_DEBUG
- admhc_dump_ed(ahcd, "UNHALT", ed, 0);
-#endif
- /* clear ed halt; this is the td that caused it, but keep it inactive
- * until its urb->complete() has a chance to clean up.
- */
- ed->hwINFO |= cpu_to_hc32(ahcd, ED_SKIP);
- wmb();
- ed->hwHeadP &= ~cpu_to_hc32(ahcd, ED_H);
-
- list_for_each_safe(entry, tmp, &ed->td_list) {
- struct td *td = list_entry(entry, struct td, td_list);
- __hc32 info;
-
- if (td->urb != urb)
- break;
-
- info = td->hwINFO;
- info &= ~cpu_to_hc32(ahcd, TD_CC | TD_OWN);
- td->hwINFO = info;
-
- ed->hwHeadP = td->hwNextTD | toggle;
- wmb();
- }
-
-}
-
-static void ed_intr_refill(struct admhcd *ahcd, struct ed *ed)
-{
- __hc32 toggle = ed->hwHeadP & cpu_to_hc32(ahcd, ED_C);
-
- ed->hwHeadP = ed->hwTailP | toggle;
-}
-
-
-static inline int is_ed_halted(struct admhcd *ahcd, struct ed *ed)
-{
- return ((hc32_to_cpup(ahcd, &ed->hwHeadP) & ED_H) == ED_H);
-}
-
-static inline int is_td_halted(struct admhcd *ahcd, struct ed *ed,
- struct td *td)
-{
- return ((hc32_to_cpup(ahcd, &ed->hwHeadP) & TD_MASK) ==
- (hc32_to_cpup(ahcd, &td->hwNextTD) & TD_MASK));
-}
-
-static void ed_update(struct admhcd *ahcd, struct ed *ed)
-{
- struct list_head *entry, *tmp;
-
-#ifdef ADMHC_VERBOSE_DEBUG
- admhc_dump_ed(ahcd, "UPDATE", ed, 1);
-#endif
-
- list_for_each_safe(entry, tmp, &ed->td_list) {
- struct td *td = list_entry(entry, struct td, td_list);
- struct urb *urb = td->urb;
- struct urb_priv *urb_priv = urb->hcpriv;
- int status;
-
- if (hc32_to_cpup(ahcd, &td->hwINFO) & TD_OWN)
- break;
-
- /* update URB's length and status from TD */
- status = td_done(ahcd, urb, td);
- if (is_ed_halted(ahcd, ed) && is_td_halted(ahcd, ed, td))
- ed_unhalt(ahcd, ed, urb);
-
- if (ed->type == PIPE_INTERRUPT)
- ed_intr_refill(ahcd, ed);
-
- /* If all this urb's TDs are done, call complete() */
- if (urb_priv->td_idx == urb_priv->td_cnt)
- finish_urb(ahcd, urb, status);
-
- /* clean schedule: unlink EDs that are no longer busy */
- if (list_empty(&ed->td_list)) {
- if (ed->state == ED_OPER)
- start_ed_unlink(ahcd, ed);
-
- /* ... reenabling halted EDs only after fault cleanup */
- } else if ((ed->hwINFO & cpu_to_hc32(ahcd,
- ED_SKIP | ED_DEQUEUE))
- == cpu_to_hc32(ahcd, ED_SKIP)) {
- td = list_entry(ed->td_list.next, struct td, td_list);
-#if 0
- if (!(td->hwINFO & cpu_to_hc32(ahcd, TD_DONE))) {
- ed->hwINFO &= ~cpu_to_hc32(ahcd, ED_SKIP);
- /* ... hc may need waking-up */
- switch (ed->type) {
- case PIPE_CONTROL:
- admhc_writel(ahcd, OHCI_CLF,
- &ahcd->regs->cmdstatus);
- break;
- case PIPE_BULK:
- admhc_writel(ahcd, OHCI_BLF,
- &ahcd->regs->cmdstatus);
- break;
- }
- }
-#else
- if ((td->hwINFO & cpu_to_hc32(ahcd, TD_OWN)))
- ed->hwINFO &= ~cpu_to_hc32(ahcd, ED_SKIP);
-#endif
- }
-
- }
-}
-
-/* there are some tds completed; called in_irq(), with HCD locked */
-static void admhc_td_complete(struct admhcd *ahcd)
-{
- struct ed *ed;
-
- for (ed = ahcd->ed_head; ed; ed = ed->ed_next) {
- if (ed->state != ED_OPER)
- continue;
-
- ed_update(ahcd, ed);
- }
-}
diff --git a/target/linux/adm5120/files-3.18/drivers/usb/host/adm5120.h b/target/linux/adm5120/files-3.18/drivers/usb/host/adm5120.h
deleted file mode 100644
index e47aac8e7a..0000000000
--- a/target/linux/adm5120/files-3.18/drivers/usb/host/adm5120.h
+++ /dev/null
@@ -1,755 +0,0 @@
-/*
- * ADM5120 HCD (Host Controller Driver) for USB
- *
- * Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org>
- *
- * This file was derived from: drivers/usb/host/ohci.h
- * (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at>
- * (C) Copyright 2000-2002 David Brownell <dbrownell@users.sourceforge.net>
- *
- * 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.
- *
- */
-
-/*
- * __hc32 and __hc16 are "Host Controller" types, they may be equivalent to
- * __leXX (normally) or __beXX (given OHCI_BIG_ENDIAN), depending on the
- * host controller implementation.
- */
-typedef __u32 __bitwise __hc32;
-typedef __u16 __bitwise __hc16;
-
-/*
- * OHCI Endpoint Descriptor (ED) ... holds TD queue
- * See OHCI spec, section 4.2
- *
- * This is a "Queue Head" for those transfers, which is why
- * both EHCI and UHCI call similar structures a "QH".
- */
-
-#define TD_DATALEN_MAX 4096
-
-#define ED_ALIGN 16
-#define ED_MASK ((u32)~(ED_ALIGN-1)) /* strip hw status in low addr bits */
-
-struct ed {
- /* first fields are hardware-specified */
- __hc32 hwINFO; /* endpoint config bitmap */
- /* info bits defined by hcd */
-#define ED_DEQUEUE (1 << 27)
- /* info bits defined by the hardware */
-#define ED_MPS_SHIFT 16
-#define ED_MPS_MASK ((1 << 11)-1)
-#define ED_MPS_GET(x) (((x) >> ED_MPS_SHIFT) & ED_MPS_MASK)
-#define ED_ISO (1 << 15) /* isochronous endpoint */
-#define ED_SKIP (1 << 14)
-#define ED_SPEED_FULL (1 << 13) /* fullspeed device */
-#define ED_INT (1 << 11) /* interrupt endpoint */
-#define ED_EN_SHIFT 7 /* endpoint shift */
-#define ED_EN_MASK ((1 << 4)-1) /* endpoint mask */
-#define ED_EN_GET(x) (((x) >> ED_EN_SHIFT) & ED_EN_MASK)
-#define ED_FA_MASK ((1 << 7)-1) /* function address mask */
-#define ED_FA_GET(x) ((x) & ED_FA_MASK)
- __hc32 hwTailP; /* tail of TD list */
- __hc32 hwHeadP; /* head of TD list (hc r/w) */
-#define ED_C (0x02) /* toggle carry */
-#define ED_H (0x01) /* halted */
- __hc32 hwNextED; /* next ED in list */
-
- /* rest are purely for the driver's use */
- dma_addr_t dma; /* addr of ED */
- struct td *dummy; /* next TD to activate */
-
- struct list_head urb_list; /* list of our URBs */
-
- /* host's view of schedule */
- struct ed *ed_next; /* on schedule list */
- struct ed *ed_prev; /* for non-interrupt EDs */
- struct ed *ed_rm_next; /* on rm list */
- struct list_head td_list; /* "shadow list" of our TDs */
-
- /* create --> IDLE --> OPER --> ... --> IDLE --> destroy
- * usually: OPER --> UNLINK --> (IDLE | OPER) --> ...
- */
- u8 state; /* ED_{IDLE,UNLINK,OPER} */
-#define ED_IDLE 0x00 /* NOT linked to HC */
-#define ED_UNLINK 0x01 /* being unlinked from hc */
-#define ED_OPER 0x02 /* IS linked to hc */
-
- u8 type; /* PIPE_{BULK,...} */
-
- /* periodic scheduling params (for intr and iso) */
- u8 branch;
- u16 interval;
- u16 load;
- u16 last_iso; /* iso only */
-
- /* HC may see EDs on rm_list until next frame (frame_no == tick) */
- u16 tick;
-} __attribute__ ((aligned(ED_ALIGN)));
-
-/*
- * OHCI Transfer Descriptor (TD) ... one per transfer segment
- * See OHCI spec, sections 4.3.1 (general = control/bulk/interrupt)
- * and 4.3.2 (iso)
- */
-
-#define TD_ALIGN 32
-#define TD_MASK ((u32)~(TD_ALIGN-1)) /* strip hw status in low addr bits */
-
-struct td {
- /* first fields are hardware-specified */
- __hc32 hwINFO; /* transfer info bitmask */
-
- /* hwINFO bits */
-#define TD_OWN (1 << 31) /* owner of the descriptor */
-#define TD_CC_SHIFT 27 /* condition code */
-#define TD_CC_MASK 0xf
-#define TD_CC (TD_CC_MASK << TD_CC_SHIFT)
-#define TD_CC_GET(x) (((x) >> TD_CC_SHIFT) & TD_CC_MASK)
-
-#define TD_EC_SHIFT 25 /* error count */
-#define TD_EC_MASK 0x3
-#define TD_EC (TD_EC_MASK << TD_EC_SHIFT)
-#define TD_EC_GET(x) ((x >> TD_EC_SHIFT) & TD_EC_MASK)
-#define TD_T_SHIFT 23 /* data toggle state */
-#define TD_T_MASK 0x3
-#define TD_T (TD_T_MASK << TD_T_SHIFT)
-#define TD_T_DATA0 (0x2 << TD_T_SHIFT) /* DATA0 */
-#define TD_T_DATA1 (0x3 << TD_T_SHIFT) /* DATA1 */
-#define TD_T_CARRY (0x0 << TD_T_SHIFT) /* uses ED_C */
-#define TD_T_GET(x) (((x) >> TD_T_SHIFT) & TD_T_MASK)
-#define TD_DP_SHIFT 21 /* direction/pid */
-#define TD_DP_MASK 0x3
-#define TD_DP (TD_DP_MASK << TD_DP_SHIFT)
-#define TD_DP_GET (((x) >> TD_DP_SHIFT) & TD_DP_MASK)
-#define TD_DP_SETUP (0x0 << TD_DP_SHIFT) /* SETUP pid */
-#define TD_DP_OUT (0x1 << TD_DP_SHIFT) /* OUT pid */
-#define TD_DP_IN (0x2 << TD_DP_SHIFT) /* IN pid */
-#define TD_ISI_SHIFT 8 /* Interrupt Service Interval */
-#define TD_ISI_MASK 0x3f
-#define TD_ISI_GET(x) (((x) >> TD_ISI_SHIFT) & TD_ISI_MASK)
-#define TD_FN_MASK 0x3f /* frame number */
-#define TD_FN_GET(x) ((x) & TD_FN_MASK)
-
- __hc32 hwDBP; /* Data Buffer Pointer (or 0) */
- __hc32 hwCBL; /* Controller/Buffer Length */
-
- /* hwCBL bits */
-#define TD_BL_MASK 0xffff /* buffer length */
-#define TD_BL_GET(x) ((x) & TD_BL_MASK)
-#define TD_IE (1 << 16) /* interrupt enable */
- __hc32 hwNextTD; /* Next TD Pointer */
-
- /* rest are purely for the driver's use */
- __u8 index;
- struct ed *ed;
- struct td *td_hash; /* dma-->td hashtable */
- struct td *next_dl_td;
- struct urb *urb;
-
- dma_addr_t td_dma; /* addr of this TD */
- dma_addr_t data_dma; /* addr of data it points to */
-
- struct list_head td_list; /* "shadow list", TDs on same ED */
-
- u32 flags;
-#define TD_FLAG_DONE (1 << 17) /* retired to done list */
-#define TD_FLAG_ISO (1 << 16) /* copy of ED_ISO */
-} __attribute__ ((aligned(TD_ALIGN))); /* c/b/i need 16; only iso needs 32 */
-
-/*
- * Hardware transfer status codes -- CC from td->hwINFO
- */
-#define TD_CC_NOERROR 0x00
-#define TD_CC_CRC 0x01
-#define TD_CC_BITSTUFFING 0x02
-#define TD_CC_DATATOGGLEM 0x03
-#define TD_CC_STALL 0x04
-#define TD_CC_DEVNOTRESP 0x05
-#define TD_CC_PIDCHECKFAIL 0x06
-#define TD_CC_UNEXPECTEDPID 0x07
-#define TD_CC_DATAOVERRUN 0x08
-#define TD_CC_DATAUNDERRUN 0x09
- /* 0x0A, 0x0B reserved for hardware */
-#define TD_CC_BUFFEROVERRUN 0x0C
-#define TD_CC_BUFFERUNDERRUN 0x0D
- /* 0x0E, 0x0F reserved for HCD */
-#define TD_CC_HCD0 0x0E
-#define TD_CC_NOTACCESSED 0x0F
-
-/*
- * preshifted status codes
- */
-#define TD_SCC_NOTACCESSED (TD_CC_NOTACCESSED << TD_CC_SHIFT)
-
-
-/* map OHCI TD status codes (CC) to errno values */
-static const int cc_to_error[16] = {
- /* No Error */ 0,
- /* CRC Error */ -EILSEQ,
- /* Bit Stuff */ -EPROTO,
- /* Data Togg */ -EILSEQ,
- /* Stall */ -EPIPE,
- /* DevNotResp */ -ETIME,
- /* PIDCheck */ -EPROTO,
- /* UnExpPID */ -EPROTO,
- /* DataOver */ -EOVERFLOW,
- /* DataUnder */ -EREMOTEIO,
- /* (for hw) */ -EIO,
- /* (for hw) */ -EIO,
- /* BufferOver */ -ECOMM,
- /* BuffUnder */ -ENOSR,
- /* (for HCD) */ -EALREADY,
- /* (for HCD) */ -EALREADY
-};
-
-#define NUM_INTS 32
-
-/*
- * This is the structure of the OHCI controller's memory mapped I/O region.
- * You must use readl() and writel() (in <asm/io.h>) to access these fields!!
- * Layout is in section 7 (and appendix B) of the spec.
- */
-struct admhcd_regs {
- __hc32 gencontrol; /* General Control */
- __hc32 int_status; /* Interrupt Status */
- __hc32 int_enable; /* Interrupt Enable */
- __hc32 reserved00;
- __hc32 host_control; /* Host General Control */
- __hc32 reserved01;
- __hc32 fminterval; /* Frame Interval */
- __hc32 fmnumber; /* Frame Number */
- __hc32 reserved02;
- __hc32 reserved03;
- __hc32 reserved04;
- __hc32 reserved05;
- __hc32 reserved06;
- __hc32 reserved07;
- __hc32 reserved08;
- __hc32 reserved09;
- __hc32 reserved10;
- __hc32 reserved11;
- __hc32 reserved12;
- __hc32 reserved13;
- __hc32 reserved14;
- __hc32 reserved15;
- __hc32 reserved16;
- __hc32 reserved17;
- __hc32 reserved18;
- __hc32 reserved19;
- __hc32 reserved20;
- __hc32 reserved21;
- __hc32 lsthresh; /* Low Speed Threshold */
- __hc32 rhdesc; /* Root Hub Descriptor */
-#define MAX_ROOT_PORTS 2
- __hc32 portstatus[MAX_ROOT_PORTS]; /* Port Status */
- __hc32 hosthead; /* Host Descriptor Head */
-} __attribute__ ((aligned(32)));
-
-/*
- * General Control register bits
- */
-#define ADMHC_CTRL_UHFE (1 << 0) /* USB Host Function Enable */
-#define ADMHC_CTRL_SIR (1 << 1) /* Software Interrupt request */
-#define ADMHC_CTRL_DMAA (1 << 2) /* DMA Arbitration Control */
-#define ADMHC_CTRL_SR (1 << 3) /* Software Reset */
-
-/*
- * Host General Control register bits
- */
-#define ADMHC_HC_BUSS 0x3 /* USB bus state */
-#define ADMHC_BUSS_RESET 0x0
-#define ADMHC_BUSS_RESUME 0x1
-#define ADMHC_BUSS_OPER 0x2
-#define ADMHC_BUSS_SUSPEND 0x3
-#define ADMHC_HC_DMAE (1 << 2) /* DMA enable */
-
-/*
- * Interrupt Status/Enable register bits
- */
-#define ADMHC_INTR_SOFI (1 << 4) /* start of frame */
-#define ADMHC_INTR_RESI (1 << 5) /* resume detected */
-#define ADMHC_INTR_6 (1 << 6) /* unknown */
-#define ADMHC_INTR_7 (1 << 7) /* unknown */
-#define ADMHC_INTR_BABI (1 << 8) /* babble detected */
-#define ADMHC_INTR_INSM (1 << 9) /* root hub status change */
-#define ADMHC_INTR_SO (1 << 10) /* scheduling overrun */
-#define ADMHC_INTR_FNO (1 << 11) /* frame number overflow */
-#define ADMHC_INTR_TDC (1 << 20) /* transfer descriptor completed */
-#define ADMHC_INTR_SWI (1 << 29) /* software interrupt */
-#define ADMHC_INTR_FATI (1 << 30) /* fatal error */
-#define ADMHC_INTR_INTA (1 << 31) /* interrupt active */
-
-#define ADMHC_INTR_MIE (1 << 31) /* master interrupt enable */
-
-/*
- * SOF Frame Interval register bits
- */
-#define ADMHC_SFI_FI_MASK ((1 << 14)-1) /* Frame Interval value */
-#define ADMHC_SFI_FSLDP_SHIFT 16
-#define ADMHC_SFI_FSLDP_MASK ((1 << 15)-1)
-#define ADMHC_SFI_FIT (1 << 31) /* Frame Interval Toggle */
-
-/*
- * SOF Frame Number register bits
- */
-#define ADMHC_SFN_FN_MASK ((1 << 16)-1) /* Frame Number Mask */
-#define ADMHC_SFN_FR_SHIFT 16 /* Frame Remaining Shift */
-#define ADMHC_SFN_FR_MASK ((1 << 14)-1) /* Frame Remaining Mask */
-#define ADMHC_SFN_FRT (1 << 31) /* Frame Remaining Toggle */
-
-/*
- * Root Hub Descriptor register bits
- */
-#define ADMHC_RH_NUMP 0xff /* number of ports */
-#define ADMHC_RH_PSM (1 << 8) /* power switching mode */
-#define ADMHC_RH_NPS (1 << 9) /* no power switching */
-#define ADMHC_RH_OCPM (1 << 10) /* over current protection mode */
-#define ADMHC_RH_NOCP (1 << 11) /* no over current protection */
-#define ADMHC_RH_PPCM (0xff << 16) /* port power control */
-
-#define ADMHC_RH_LPS (1 << 24) /* local power switch */
-#define ADMHC_RH_OCI (1 << 25) /* over current indicator */
-
-/* status change bits */
-#define ADMHC_RH_LPSC (1 << 26) /* local power switch change */
-#define ADMHC_RH_OCIC (1 << 27) /* over current indicator change */
-
-#define ADMHC_RH_DRWE (1 << 28) /* device remote wakeup enable */
-#define ADMHC_RH_CRWE (1 << 29) /* clear remote wakeup enable */
-
-#define ADMHC_RH_CGP (1 << 24) /* clear global power */
-#define ADMHC_RH_SGP (1 << 26) /* set global power */
-
-/*
- * Port Status register bits
- */
-#define ADMHC_PS_CCS (1 << 0) /* current connect status */
-#define ADMHC_PS_PES (1 << 1) /* port enable status */
-#define ADMHC_PS_PSS (1 << 2) /* port suspend status */
-#define ADMHC_PS_POCI (1 << 3) /* port over current indicator */
-#define ADMHC_PS_PRS (1 << 4) /* port reset status */
-#define ADMHC_PS_PPS (1 << 8) /* port power status */
-#define ADMHC_PS_LSDA (1 << 9) /* low speed device attached */
-
-/* status change bits */
-#define ADMHC_PS_CSC (1 << 16) /* connect status change */
-#define ADMHC_PS_PESC (1 << 17) /* port enable status change */
-#define ADMHC_PS_PSSC (1 << 18) /* port suspend status change */
-#define ADMHC_PS_OCIC (1 << 19) /* over current indicator change */
-#define ADMHC_PS_PRSC (1 << 20) /* port reset status change */
-
-/* port feature bits */
-#define ADMHC_PS_CPE (1 << 0) /* clear port enable */
-#define ADMHC_PS_SPE (1 << 1) /* set port enable */
-#define ADMHC_PS_SPS (1 << 2) /* set port suspend */
-#define ADMHC_PS_CPS (1 << 3) /* clear suspend status */
-#define ADMHC_PS_SPR (1 << 4) /* set port reset */
-#define ADMHC_PS_SPP (1 << 8) /* set port power */
-#define ADMHC_PS_CPP (1 << 9) /* clear port power */
-
-/*
- * the POTPGT value is not defined in the ADMHC, so define a dummy value
- */
-#define ADMHC_POTPGT 2 /* in ms */
-
-/* hcd-private per-urb state */
-struct urb_priv {
- struct ed *ed;
- struct list_head pending; /* URBs on the same ED */
-
- u32 td_cnt; /* # tds in this request */
- u32 td_idx; /* index of the current td */
- struct td *td[0]; /* all TDs in this request */
-};
-
-#define TD_HASH_SIZE 64 /* power'o'two */
-/* sizeof (struct td) ~= 64 == 2^6 ... */
-#define TD_HASH_FUNC(td_dma) ((td_dma ^ (td_dma >> 6)) % TD_HASH_SIZE)
-
-/*
- * This is the full ADMHCD controller description
- *
- * Note how the "proper" USB information is just
- * a subset of what the full implementation needs. (Linus)
- */
-
-struct admhcd {
- spinlock_t lock;
-
- /*
- * I/O memory used to communicate with the HC (dma-consistent)
- */
- struct admhcd_regs __iomem *regs;
-
- /*
- * hcd adds to schedule for a live hc any time, but removals finish
- * only at the start of the next frame.
- */
-
- struct ed *ed_head;
- struct ed *ed_tails[4];
-
- struct ed *ed_rm_list; /* to be removed */
-
- struct ed *periodic[NUM_INTS]; /* shadow int_table */
-
-#if 0 /* TODO: remove? */
- /*
- * OTG controllers and transceivers need software interaction;
- * other external transceivers should be software-transparent
- */
- struct otg_transceiver *transceiver;
- void (*start_hnp)(struct admhcd *ahcd);
-#endif
-
- /*
- * memory management for queue data structures
- */
- struct dma_pool *td_cache;
- struct dma_pool *ed_cache;
- struct td *td_hash[TD_HASH_SIZE];
- struct list_head pending;
-
- /*
- * driver state
- */
- int num_ports;
- int load[NUM_INTS];
- u32 host_control; /* copy of the host_control reg */
- unsigned long next_statechange; /* suspend/resume */
- u32 fminterval; /* saved register */
- unsigned autostop:1; /* rh auto stopping/stopped */
-
- unsigned long flags; /* for HC bugs */
-#define OHCI_QUIRK_AMD756 0x01 /* erratum #4 */
-#define OHCI_QUIRK_SUPERIO 0x02 /* natsemi */
-#define OHCI_QUIRK_INITRESET 0x04 /* SiS, OPTi, ... */
-#define OHCI_QUIRK_BE_DESC 0x08 /* BE descriptors */
-#define OHCI_QUIRK_BE_MMIO 0x10 /* BE registers */
-#define OHCI_QUIRK_ZFMICRO 0x20 /* Compaq ZFMicro chipset*/
- /* there are also chip quirks/bugs in init logic */
-
-#ifdef DEBUG
- struct dentry *debug_dir;
- struct dentry *debug_async;
- struct dentry *debug_periodic;
- struct dentry *debug_registers;
-#endif
-};
-
-/* convert between an hcd pointer and the corresponding ahcd_hcd */
-static inline struct admhcd *hcd_to_admhcd(struct usb_hcd *hcd)
-{
- return (struct admhcd *)(hcd->hcd_priv);
-}
-static inline struct usb_hcd *admhcd_to_hcd(const struct admhcd *ahcd)
-{
- return container_of((void *)ahcd, struct usb_hcd, hcd_priv);
-}
-
-/*-------------------------------------------------------------------------*/
-
-#ifndef DEBUG
-#define STUB_DEBUG_FILES
-#endif /* DEBUG */
-
-#ifdef DEBUG
-# define admhc_dbg(ahcd, fmt, args...) \
- printk(KERN_DEBUG "adm5120-hcd: " fmt, ## args)
-#else
-# define admhc_dbg(ahcd, fmt, args...) do { } while (0)
-#endif
-
-#define admhc_err(ahcd, fmt, args...) \
- printk(KERN_ERR "adm5120-hcd: " fmt, ## args)
-#define admhc_info(ahcd, fmt, args...) \
- printk(KERN_INFO "adm5120-hcd: " fmt, ## args)
-#define admhc_warn(ahcd, fmt, args...) \
- printk(KERN_WARNING "adm5120-hcd: " fmt, ## args)
-
-#ifdef ADMHC_VERBOSE_DEBUG
-# define admhc_vdbg admhc_dbg
-#else
-# define admhc_vdbg(ahcd, fmt, args...) do { } while (0)
-#endif
-
-/*-------------------------------------------------------------------------*/
-
-/*
- * While most USB host controllers implement their registers and
- * in-memory communication descriptors in little-endian format,
- * a minority (notably the IBM STB04XXX and the Motorola MPC5200
- * processors) implement them in big endian format.
- *
- * In addition some more exotic implementations like the Toshiba
- * Spider (aka SCC) cell southbridge are "mixed" endian, that is,
- * they have a different endianness for registers vs. in-memory
- * descriptors.
- *
- * This attempts to support either format at compile time without a
- * runtime penalty, or both formats with the additional overhead
- * of checking a flag bit.
- *
- * That leads to some tricky Kconfig rules howevber. There are
- * different defaults based on some arch/ppc platforms, though
- * the basic rules are:
- *
- * Controller type Kconfig options needed
- * --------------- ----------------------
- * little endian CONFIG_USB_ADMHC_LITTLE_ENDIAN
- *
- * fully big endian CONFIG_USB_ADMHC_BIG_ENDIAN_DESC _and_
- * CONFIG_USB_ADMHC_BIG_ENDIAN_MMIO
- *
- * mixed endian CONFIG_USB_ADMHC_LITTLE_ENDIAN _and_
- * CONFIG_USB_OHCI_BIG_ENDIAN_{MMIO,DESC}
- *
- * (If you have a mixed endian controller, you -must- also define
- * CONFIG_USB_ADMHC_LITTLE_ENDIAN or things will not work when building
- * both your mixed endian and a fully big endian controller support in
- * the same kernel image).
- */
-
-#ifdef CONFIG_USB_ADMHC_BIG_ENDIAN_DESC
-#ifdef CONFIG_USB_ADMHC_LITTLE_ENDIAN
-#define big_endian_desc(ahcd) (ahcd->flags & OHCI_QUIRK_BE_DESC)
-#else
-#define big_endian_desc(ahcd) 1 /* only big endian */
-#endif
-#else
-#define big_endian_desc(ahcd) 0 /* only little endian */
-#endif
-
-#ifdef CONFIG_USB_ADMHC_BIG_ENDIAN_MMIO
-#ifdef CONFIG_USB_ADMHC_LITTLE_ENDIAN
-#define big_endian_mmio(ahcd) (ahcd->flags & OHCI_QUIRK_BE_MMIO)
-#else
-#define big_endian_mmio(ahcd) 1 /* only big endian */
-#endif
-#else
-#define big_endian_mmio(ahcd) 0 /* only little endian */
-#endif
-
-/*
- * Big-endian read/write functions are arch-specific.
- * Other arches can be added if/when they're needed.
- *
- */
-static inline unsigned int admhc_readl(const struct admhcd *ahcd,
- __hc32 __iomem *regs)
-{
-#ifdef CONFIG_USB_ADMHC_BIG_ENDIAN_MMIO
- return big_endian_mmio(ahcd) ?
- readl_be(regs) :
- readl(regs);
-#else
- return readl(regs);
-#endif
-}
-
-static inline void admhc_writel(const struct admhcd *ahcd,
- const unsigned int val, __hc32 __iomem *regs)
-{
-#ifdef CONFIG_USB_ADMHC_BIG_ENDIAN_MMIO
- big_endian_mmio(ahcd) ?
- writel_be(val, regs) :
- writel(val, regs);
-#else
- writel(val, regs);
-#endif
-}
-
-static inline void admhc_writel_flush(const struct admhcd *ahcd)
-{
-#if 0
- /* TODO: remove? */
- (void) admhc_readl(ahcd, &ahcd->regs->gencontrol);
-#endif
-}
-
-
-/*-------------------------------------------------------------------------*/
-
-/* cpu to ahcd */
-static inline __hc16 cpu_to_hc16(const struct admhcd *ahcd, const u16 x)
-{
- return big_endian_desc(ahcd) ?
- (__force __hc16)cpu_to_be16(x) :
- (__force __hc16)cpu_to_le16(x);
-}
-
-static inline __hc16 cpu_to_hc16p(const struct admhcd *ahcd, const u16 *x)
-{
- return big_endian_desc(ahcd) ?
- cpu_to_be16p(x) :
- cpu_to_le16p(x);
-}
-
-static inline __hc32 cpu_to_hc32(const struct admhcd *ahcd, const u32 x)
-{
- return big_endian_desc(ahcd) ?
- (__force __hc32)cpu_to_be32(x) :
- (__force __hc32)cpu_to_le32(x);
-}
-
-static inline __hc32 cpu_to_hc32p(const struct admhcd *ahcd, const u32 *x)
-{
- return big_endian_desc(ahcd) ?
- cpu_to_be32p(x) :
- cpu_to_le32p(x);
-}
-
-/* ahcd to cpu */
-static inline u16 hc16_to_cpu(const struct admhcd *ahcd, const __hc16 x)
-{
- return big_endian_desc(ahcd) ?
- be16_to_cpu((__force __be16)x) :
- le16_to_cpu((__force __le16)x);
-}
-
-static inline u16 hc16_to_cpup(const struct admhcd *ahcd, const __hc16 *x)
-{
- return big_endian_desc(ahcd) ?
- be16_to_cpup((__force __be16 *)x) :
- le16_to_cpup((__force __le16 *)x);
-}
-
-static inline u32 hc32_to_cpu(const struct admhcd *ahcd, const __hc32 x)
-{
- return big_endian_desc(ahcd) ?
- be32_to_cpu((__force __be32)x) :
- le32_to_cpu((__force __le32)x);
-}
-
-static inline u32 hc32_to_cpup(const struct admhcd *ahcd, const __hc32 *x)
-{
- return big_endian_desc(ahcd) ?
- be32_to_cpup((__force __be32 *)x) :
- le32_to_cpup((__force __le32 *)x);
-}
-
-/*-------------------------------------------------------------------------*/
-
-static inline u16 admhc_frame_no(const struct admhcd *ahcd)
-{
- u32 t;
-
- t = admhc_readl(ahcd, &ahcd->regs->fmnumber) & ADMHC_SFN_FN_MASK;
- return (u16)t;
-}
-
-static inline u16 admhc_frame_remain(const struct admhcd *ahcd)
-{
- u32 t;
-
- t = admhc_readl(ahcd, &ahcd->regs->fmnumber) >> ADMHC_SFN_FR_SHIFT;
- t &= ADMHC_SFN_FR_MASK;
- return (u16)t;
-}
-
-/*-------------------------------------------------------------------------*/
-
-static inline void admhc_disable(struct admhcd *ahcd)
-{
- admhcd_to_hcd(ahcd)->state = HC_STATE_HALT;
-}
-
-#define FI 0x2edf /* 12000 bits per frame (-1) */
-#define FSLDP(fi) (0x7fff & ((6 * ((fi) - 1200)) / 7))
-#define FIT ADMHC_SFI_FIT
-#define LSTHRESH 0x628 /* lowspeed bit threshold */
-
-static inline void periodic_reinit(struct admhcd *ahcd)
-{
-#if 0
- u32 fi = ahcd->fminterval & ADMHC_SFI_FI_MASK;
- u32 fit = admhc_readl(ahcd, &ahcd->regs->fminterval) & FIT;
-
- /* TODO: adjust FSLargestDataPacket value too? */
- admhc_writel(ahcd, (fit ^ FIT) | ahcd->fminterval,
- &ahcd->regs->fminterval);
-#else
- u32 fit = admhc_readl(ahcd, &ahcd->regs->fminterval) & FIT;
-
- /* TODO: adjust FSLargestDataPacket value too? */
- admhc_writel(ahcd, (fit ^ FIT) | ahcd->fminterval,
- &ahcd->regs->fminterval);
-#endif
-}
-
-static inline u32 admhc_read_rhdesc(struct admhcd *ahcd)
-{
- return admhc_readl(ahcd, &ahcd->regs->rhdesc);
-}
-
-static inline u32 admhc_read_portstatus(struct admhcd *ahcd, int port)
-{
- return admhc_readl(ahcd, &ahcd->regs->portstatus[port]);
-}
-
-static inline void admhc_write_portstatus(struct admhcd *ahcd, int port,
- u32 value)
-{
- admhc_writel(ahcd, value, &ahcd->regs->portstatus[port]);
-}
-
-static inline void roothub_write_status(struct admhcd *ahcd, u32 value)
-{
- /* FIXME: read-only bits must be masked out */
- admhc_writel(ahcd, value, &ahcd->regs->rhdesc);
-}
-
-static inline void admhc_intr_disable(struct admhcd *ahcd, u32 ints)
-{
- u32 t;
-
- t = admhc_readl(ahcd, &ahcd->regs->int_enable);
- t &= ~(ints);
- admhc_writel(ahcd, t, &ahcd->regs->int_enable);
- /* TODO: flush writes ?*/
-}
-
-static inline void admhc_intr_enable(struct admhcd *ahcd, u32 ints)
-{
- u32 t;
-
- t = admhc_readl(ahcd, &ahcd->regs->int_enable);
- t |= ints;
- admhc_writel(ahcd, t, &ahcd->regs->int_enable);
- /* TODO: flush writes ?*/
-}
-
-static inline void admhc_intr_ack(struct admhcd *ahcd, u32 ints)
-{
- admhc_writel(ahcd, ints, &ahcd->regs->int_status);
-}
-
-static inline void admhc_dma_enable(struct admhcd *ahcd)
-{
- u32 t;
-
- t = admhc_readl(ahcd, &ahcd->regs->host_control);
- if (t & ADMHC_HC_DMAE)
- return;
-
- t |= ADMHC_HC_DMAE;
- admhc_writel(ahcd, t, &ahcd->regs->host_control);
- admhc_vdbg(ahcd, "DMA enabled\n");
-}
-
-static inline void admhc_dma_disable(struct admhcd *ahcd)
-{
- u32 t;
-
- t = admhc_readl(ahcd, &ahcd->regs->host_control);
- if (!(t & ADMHC_HC_DMAE))
- return;
-
- t &= ~ADMHC_HC_DMAE;
- admhc_writel(ahcd, t, &ahcd->regs->host_control);
- admhc_vdbg(ahcd, "DMA disabled\n");
-}