aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/adm5120/files/drivers/usb/host/adm5120-dbg.c
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/adm5120/files/drivers/usb/host/adm5120-dbg.c')
-rw-r--r--target/linux/adm5120/files/drivers/usb/host/adm5120-dbg.c334
1 files changed, 195 insertions, 139 deletions
diff --git a/target/linux/adm5120/files/drivers/usb/host/adm5120-dbg.c b/target/linux/adm5120/files/drivers/usb/host/adm5120-dbg.c
index 817d975487..bb83450eb5 100644
--- a/target/linux/adm5120/files/drivers/usb/host/adm5120-dbg.c
+++ b/target/linux/adm5120/files/drivers/usb/host/adm5120-dbg.c
@@ -11,55 +11,108 @@
#ifdef DEBUG
-#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_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";
+ case ED_NEW:
+ return "NEW";
+ }
+ 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";
+}
/* 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)
{
- 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)
#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,
+ urb->status);
#ifdef ADMHC_VERBOSE_DEBUG
if (!small) {
int i, len;
if (usb_pipecontrol(pipe)) {
- printk(KERN_DEBUG __FILE__ ": setup(8):");
+ admhc_dbg(admhc, "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(admhc, "data(%d/%d): ",
urb->actual_length,
urb->transfer_buffer_length);
len = usb_pipeout(pipe)?
@@ -83,12 +136,8 @@ urb_print(struct urb * urb, char * str, int small)
} 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",
label,
@@ -106,12 +155,8 @@ static void admhc_dump_intr_mask (
);
}
-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);
@@ -129,7 +174,7 @@ static char *buss2string (int state)
case ADMHC_BUSS_SUSPEND:
return "suspend";
}
- return "(bad state)";
+ return "?state";
}
static void
@@ -152,7 +197,7 @@ admhc_dump_status(struct admhcd *ahcd, char **next, unsigned *size)
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" : ""
);
@@ -245,59 +290,42 @@ static const char data1[] = "DATA1";
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" : "");
+}
+
+static void admhc_dump_up(const struct admhcd *ahcd, const char *label,
+ const struct urb_priv *up)
+{
+ int i;
+
+ admhc_dbg(ahcd, "%s urb/%p:\n", label, up->urb);
+ for (i = 0; i < up->td_cnt; i++) {
+ struct td *td = up->td[i];
+ admhc_dump_td(ahcd, " ->", td);
+ }
}
/* caller MUST own hcd spinlock if verbose is set! */
@@ -307,10 +335,10 @@ admhc_dump_ed(const struct admhcd *ahcd, const char *label,
{
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),
@@ -322,23 +350,22 @@ admhc_dump_ed(const struct admhcd *ahcd, const char *label,
ED_FA_GET(tmp));
tmp = hc32_to_cpup(ahcd, &ed->hwHeadP);
- admhc_dbg(ahcd, " tds: head %08x tail %08x %s%s%s\n",
+ admhc_dbg(ahcd, " tds: head %08x tail %08x %s%s\n",
tmp & TD_MASK,
- hc32_to_cpup (ahcd, &ed->hwTailP),
+ hc32_to_cpup(ahcd, &ed->hwTailP),
(tmp & ED_C) ? data1 : data0,
- (tmp & ED_H) ? " HALT" : "",
- verbose ? " td list follows" : " (not listing)");
+ (tmp & ED_H) ? " HALT" : "");
- 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);
+ if (ed->urb_active)
+ admhc_dump_up(ahcd, " active ", ed->urb_active);
+
+ if ((verbose) && (!list_empty(&ed->urb_pending))) {
+ struct list_head *entry;
+ /* dump pending URBs */
+ list_for_each(entry, &ed->urb_pending) {
+ struct urb_priv *up;
+ up = list_entry(entry, struct urb_priv, pending);
+ admhc_dump_up(ahcd, " pending ", up);
}
}
}
@@ -346,6 +373,8 @@ admhc_dump_ed(const struct admhcd *ahcd, const char *label,
#else /* ifdef DEBUG */
static inline void urb_print(struct urb * urb, char * str, int small) {}
+static inline void admhc_dump_up(const struct admhcd *ahcd, const char *label,
+ const struct urb_priv *up) {}
static inline void admhc_dump_ed(const struct admhcd *ahcd, const char *label,
const struct ed *ed, int verbose) {}
static inline void admhc_dump(struct admhcd *ahcd, int verbose) {}
@@ -364,6 +393,44 @@ static inline void remove_debug_files(struct admhcd *bus) { }
#else
static ssize_t
+show_urb_priv(struct admhcd *ahcd, char *buf, size_t count,
+ struct urb_priv *up)
+{
+ unsigned temp, size = count;
+ int i;
+
+ if (!up)
+ return 0;
+
+ temp = scnprintf(buf, size,"\n\turb %p ", up->urb);
+ size -= temp;
+ buf += temp;
+
+ for (i = 0; i< up->td_cnt; i++) {
+ struct td *td;
+ u32 dbp, cbl, info;
+
+ td = up->td[i];
+ 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\t\ttd %p %s %d %s%scc=%x (%08x,%08x)",
+ td,
+ td_pidstring(info),
+ TD_BL_GET(cbl),
+ (info & TD_OWN) ? "WORK " : "DONE ",
+ (cbl & TD_IE) ? "IE " : "",
+ TD_CC_GET(info), info, cbl);
+ size -= temp;
+ buf += temp;
+ }
+
+ return count - size;
+}
+
+static ssize_t
show_list(struct admhcd *ahcd, char *buf, size_t count, struct ed *ed)
{
unsigned temp, size = count;
@@ -371,23 +438,15 @@ show_list(struct admhcd *ahcd, char *buf, size_t count, struct ed *ed)
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);
- 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,
- edstring (ed->type),
+ ed_typestring (ed->type),
(info & ED_SPEED_FULL) ? 'f' : 'l',
info & ED_FA_MASK,
(info >> ED_EN_SHIFT) & ED_EN_MASK,
@@ -397,34 +456,36 @@ show_list(struct admhcd *ahcd, char *buf, size_t count, struct ed *ed)
info,
(info & ED_SKIP) ? " S" : "",
(headp & ED_H) ? " H" : "",
- (headp & ED_C) ? data1 : data0);
+ (headp & ED_C) ? "DATA1" : "DATA0");
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,
- ({ 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_BL_GET(cbl),
- (info & TD_OWN) ? "" : "DONE ",
- (cbl & TD_IE) ? "IE " : "",
- TD_CC_GET (info), td->urb, info, cbl);
+ if (ed->urb_active) {
+ temp = scnprintf(buf, size, "\nactive urb:");
size -= temp;
buf += temp;
+
+ temp = show_urb_priv(ahcd, buf, size, ed->urb_active);
+ size -= temp;
+ buf += temp;
+ }
+
+ if (!list_empty(&ed->urb_pending)) {
+ struct list_head *entry;
+
+ temp = scnprintf(buf, size, "\npending urbs:");
+ size -= temp;
+ buf += temp;
+
+ list_for_each(entry, &ed->urb_pending) {
+ struct urb_priv *up;
+ up = list_entry(entry, struct urb_priv,
+ pending);
+
+ temp = show_urb_priv(ahcd, buf, size, up);
+ size -= temp;
+ buf += temp;
+ }
}
temp = scnprintf(buf, size, "\n");
@@ -433,6 +494,7 @@ show_list(struct admhcd *ahcd, char *buf, size_t count, struct ed *ed)
ed = ed->ed_next;
}
+
return count - size;
}
@@ -451,17 +513,7 @@ show_async(struct class_device *class_dev, char *buf)
/* 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;
@@ -474,6 +526,7 @@ static CLASS_DEVICE_ATTR(async, S_IRUGO, show_async, NULL);
static ssize_t
show_periodic(struct class_device *class_dev, char *buf)
{
+#if 0
struct usb_bus *bus;
struct usb_hcd *hcd;
struct admhcd *ahcd;
@@ -564,6 +617,9 @@ show_periodic(struct class_device *class_dev, char *buf)
kfree (seen);
return PAGE_SIZE - size;
+#else
+ return 0;
+#endif
}
static CLASS_DEVICE_ATTR(periodic, S_IRUGO, show_periodic, NULL);