/*
- * OHCI HCD (Host Controller Driver) for USB.
+ * ADM5120 HCD (Host Controller Driver) for USB
*
- * (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at>
- * (C) Copyright 2000-2002 David Brownell <dbrownell@users.sourceforge.net>
+ * Copyright (C) 2007,2008 Gabor Juhos <juhosg at 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.
*
- * This file is licenced under the GPL.
*/
/*-------------------------------------------------------------------------*/
-#ifdef DEBUG
+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)";
+}
-#define edstring(ed_type) ({ char *temp; \
- switch (ed_type) { \
- case PIPE_CONTROL: temp = "ctrl"; break; \
- case PIPE_BULK: temp = "bulk"; break; \
- case PIPE_INTERRUPT: temp = "intr"; break; \
- default: temp = "isoc"; break; \
- }; temp;})
-#define pipestring(pipe) edstring(usb_pipetype(pipe))
+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 urb * urb, char * str, int small)
+urb_print(struct admhcd *ahcd, struct urb *urb, char *str, int small, int status)
{
- unsigned int pipe= urb->pipe;
+ unsigned int pipe = urb->pipe;
if (!urb->dev || !urb->dev->bus) {
- dbg("%s URB: no dev", str);
+ admhc_dbg(ahcd, "%s URB: no dev", str);
return;
}
#ifndef ADMHC_VERBOSE_DEBUG
- if (urb->status != 0)
+ if (status != 0)
#endif
- dbg("%s %p dev=%d ep=%d%s-%s flags=%x len=%d/%d stat=%d",
- 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,
- urb->status);
+ 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)) {
- printk(KERN_DEBUG __FILE__ ": setup(8):");
+ admhc_dbg(ahcd, "setup(8):");
for (i = 0; i < 8 ; i++)
printk (" %02x", ((__u8 *) urb->setup_packet) [i]);
printk ("\n");
}
if (urb->transfer_buffer_length > 0 && urb->transfer_buffer) {
- printk(KERN_DEBUG __FILE__ ": data(%d/%d):",
+ 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 (" %02x", ((__u8 *) urb->transfer_buffer) [i]);
- printk ("%s stat:%d\n", i < len? "...": "", urb->status);
+ printk(" %02x", ((__u8 *)urb->transfer_buffer)[i]);
+ printk("%s stat:%d\n", i < len? "...": "", status);
}
}
#endif /* ADMHC_VERBOSE_DEBUG */
} while (0);
-static void admhc_dump_intr_mask (
- struct admhcd *ahcd,
- char *label,
- u32 mask,
- char **next,
- unsigned *size)
+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\n",
+ 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_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)
+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);
case ADMHC_BUSS_SUSPEND:
return "suspend";
}
- return "(bad state)";
+ return "?state";
}
static void
admhc_dbg_sw(ahcd, next, size,
"host_control 0x%08x BUSS=%s%s\n",
temp,
- buss2string (temp & ADMHC_HC_BUSS),
+ buss2string(temp & ADMHC_HC_BUSS),
(temp & ADMHC_HC_DMAE) ? " DMAE" : ""
);
{
u32 temp, i;
- temp = admhc_get_rhdesc(ahcd);
+ temp = admhc_read_rhdesc(ahcd);
if (temp == ~(u32)0)
return;
}
for (i = 0; i < ahcd->num_ports; i++) {
- temp = admhc_get_portstatus(ahcd, i);
+ temp = admhc_read_portstatus(ahcd, i);
dbg_port_sw(ahcd, i, temp, next, size);
}
}
static void admhc_dump_td(const struct admhcd *ahcd, const char *label,
const struct td *td)
{
- u32 tmp = hc32_to_cpup(ahcd, &td->hwINFO);
+ 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));
- if ((td->flags & TD_FLAG_ISO) == 0) {
- const char *toggle, *pid;
-
- switch (tmp & TD_T) {
- case TD_T_DATA0: toggle = data0; break;
- case TD_T_DATA1: toggle = data1; break;
- case TD_T_CARRY: toggle = "CARRY"; break;
- default: toggle = "(bad toggle)"; break;
- }
- switch (tmp & TD_DP) {
- case TD_DP_SETUP: pid = "SETUP"; break;
- case TD_DP_IN: pid = "IN"; break;
- case TD_DP_OUT: pid = "OUT"; break;
- default: pid = "(bad pid)"; break;
- }
- 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),
- toggle,
- pid,
- TD_ISI_GET(tmp),
- TD_FN_GET(tmp));
- } else {
-#if 0 /* TODO: remove */
- unsigned i;
- admhc_dbg(ahcd, " info %08x CC=%x FC=%d DI=%d SF=%04x\n", tmp,
- TD_CC_GET(tmp),
- (tmp >> 24) & 0x07,
- (tmp & TD_DI) >> 21,
- tmp & 0x0000ffff);
- admhc_dbg(ahcd, " bp0 %08x be %08x\n",
- hc32_to_cpup (ahcd, &td->hwCBP) & ~0x0fff,
- hc32_to_cpup (ahcd, &td->hwBE));
-#endif
- }
+ 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),
+ hc32_to_cpup(ahcd, &td->hwDBP),
tmp,
TD_BL_GET(tmp),
- (tmp & TD_IE) ? " IE" : ""
- );
+ (tmp & TD_IE) ? " IE" : "");
}
/* caller MUST own hcd spinlock if verbose is set! */
{
u32 tmp = hc32_to_cpu(ahcd, ed->hwINFO);
- admhc_dbg(ahcd, "%s ed %p state 0x%x type %s; next ed %08x\n",
+ admhc_dbg(ahcd, "%s ed %p %s type %s; next ed %08x\n",
label,
- ed, ed->state, edstring (ed->type),
- hc32_to_cpup (ahcd, &ed->hwNextED));
+ 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),
#else /* ifdef DEBUG */
-static inline void urb_print(struct urb * urb, char * str, int small) {}
+static inline void urb_print(struct admhcd *ahcd, struct urb * urb, char * str,
+ int small) {}
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
if (!ed)
return 0;
-#if 0
- /* print first --> last */
- while (ed->ed_prev)
- ed = ed->ed_prev;
-#endif
-
/* 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 %cs dev%d ep%d %s%smax %d %08x%s%s %s",
+ "ed/%p %s %s %cs dev%d ep%d %s%smax %d %08x%s%s %s"
+ " h:%08x t:%08x",
ed,
- edstring (ed->type),
+ 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,
(info & ED_SKIP) ? " S" : "",
(headp & ED_H) ? " H" : "",
- (headp & ED_C) ? data1 : data0);
+ (headp & ED_C) ? data1 : data0,
+ headp & ED_MASK,tailp);
size -= temp;
buf += temp;
cbl = hc32_to_cpup (ahcd, &td->hwCBL);
temp = scnprintf(buf, size,
- "\n\ttd %p %s %d %s%scc=%x urb %p (%08x,%08x)",
+ "\n\ttd/%p %s %d %s%scc=%x urb %p (%08x,%08x)",
td,
- ({ char *pid;
- switch (info & TD_DP) {
- case TD_DP_SETUP: pid = "setup"; break;
- case TD_DP_IN: pid = "in"; break;
- case TD_DP_OUT: pid = "out"; break;
- default: pid = "(bad pid)"; break;
- } pid;}),
+ td_pidstring(info),
TD_BL_GET(cbl),
(info & TD_OWN) ? "" : "DONE ",
(cbl & TD_IE) ? "IE " : "",
/* display control and bulk lists together, for simplicity */
spin_lock_irqsave(&ahcd->lock, flags);
-#if 0
- temp = show_list (ahcd, buf, PAGE_SIZE, ahcd->ed_tails[ED_TAIL_CONTROL]);
- temp += show_list (ahcd, buf + temp, PAGE_SIZE - temp,
- ahcd->ed_tails[ED_TAIL_BULK]);
-#else
-#ifdef ED_TAIL_ARRAY
temp = show_list(ahcd, buf, PAGE_SIZE, ahcd->ed_head);
-#else
- temp = show_list(ahcd, buf, PAGE_SIZE, ahcd->ed_head);
-#endif
-#endif
spin_unlock_irqrestore(&ahcd->lock, flags);
return temp;
#endif
/*-------------------------------------------------------------------------*/
-