#define dump_register(nm) \
{ \
.name = __stringify(nm), \
- .offset = DWC3_ ##nm - DWC3_GLOBALS_REGS_START, \
+ .offset = DWC3_ ##nm, \
}
+#define dump_ep_register_set(n) \
+ { \
+ .name = "DEPCMDPAR2("__stringify(n)")", \
+ .offset = DWC3_DEP_BASE(n) + \
+ DWC3_DEPCMDPAR2, \
+ }, \
+ { \
+ .name = "DEPCMDPAR1("__stringify(n)")", \
+ .offset = DWC3_DEP_BASE(n) + \
+ DWC3_DEPCMDPAR1, \
+ }, \
+ { \
+ .name = "DEPCMDPAR0("__stringify(n)")", \
+ .offset = DWC3_DEP_BASE(n) + \
+ DWC3_DEPCMDPAR0, \
+ }, \
+ { \
+ .name = "DEPCMD("__stringify(n)")", \
+ .offset = DWC3_DEP_BASE(n) + \
+ DWC3_DEPCMD, \
+ }
+
+
static const struct debugfs_reg32 dwc3_regs[] = {
dump_register(GSBUSCFG0),
dump_register(GSBUSCFG1),
dump_register(GCTL),
dump_register(GEVTEN),
dump_register(GSTS),
+ dump_register(GUCTL1),
dump_register(GSNPSID),
dump_register(GGPIO),
dump_register(GUID),
dump_register(DGCMD),
dump_register(DALEPENA),
- dump_register(DEPCMDPAR2(0)),
- dump_register(DEPCMDPAR2(1)),
- dump_register(DEPCMDPAR2(2)),
- dump_register(DEPCMDPAR2(3)),
- dump_register(DEPCMDPAR2(4)),
- dump_register(DEPCMDPAR2(5)),
- dump_register(DEPCMDPAR2(6)),
- dump_register(DEPCMDPAR2(7)),
- dump_register(DEPCMDPAR2(8)),
- dump_register(DEPCMDPAR2(9)),
- dump_register(DEPCMDPAR2(10)),
- dump_register(DEPCMDPAR2(11)),
- dump_register(DEPCMDPAR2(12)),
- dump_register(DEPCMDPAR2(13)),
- dump_register(DEPCMDPAR2(14)),
- dump_register(DEPCMDPAR2(15)),
- dump_register(DEPCMDPAR2(16)),
- dump_register(DEPCMDPAR2(17)),
- dump_register(DEPCMDPAR2(18)),
- dump_register(DEPCMDPAR2(19)),
- dump_register(DEPCMDPAR2(20)),
- dump_register(DEPCMDPAR2(21)),
- dump_register(DEPCMDPAR2(22)),
- dump_register(DEPCMDPAR2(23)),
- dump_register(DEPCMDPAR2(24)),
- dump_register(DEPCMDPAR2(25)),
- dump_register(DEPCMDPAR2(26)),
- dump_register(DEPCMDPAR2(27)),
- dump_register(DEPCMDPAR2(28)),
- dump_register(DEPCMDPAR2(29)),
- dump_register(DEPCMDPAR2(30)),
- dump_register(DEPCMDPAR2(31)),
-
- dump_register(DEPCMDPAR1(0)),
- dump_register(DEPCMDPAR1(1)),
- dump_register(DEPCMDPAR1(2)),
- dump_register(DEPCMDPAR1(3)),
- dump_register(DEPCMDPAR1(4)),
- dump_register(DEPCMDPAR1(5)),
- dump_register(DEPCMDPAR1(6)),
- dump_register(DEPCMDPAR1(7)),
- dump_register(DEPCMDPAR1(8)),
- dump_register(DEPCMDPAR1(9)),
- dump_register(DEPCMDPAR1(10)),
- dump_register(DEPCMDPAR1(11)),
- dump_register(DEPCMDPAR1(12)),
- dump_register(DEPCMDPAR1(13)),
- dump_register(DEPCMDPAR1(14)),
- dump_register(DEPCMDPAR1(15)),
- dump_register(DEPCMDPAR1(16)),
- dump_register(DEPCMDPAR1(17)),
- dump_register(DEPCMDPAR1(18)),
- dump_register(DEPCMDPAR1(19)),
- dump_register(DEPCMDPAR1(20)),
- dump_register(DEPCMDPAR1(21)),
- dump_register(DEPCMDPAR1(22)),
- dump_register(DEPCMDPAR1(23)),
- dump_register(DEPCMDPAR1(24)),
- dump_register(DEPCMDPAR1(25)),
- dump_register(DEPCMDPAR1(26)),
- dump_register(DEPCMDPAR1(27)),
- dump_register(DEPCMDPAR1(28)),
- dump_register(DEPCMDPAR1(29)),
- dump_register(DEPCMDPAR1(30)),
- dump_register(DEPCMDPAR1(31)),
-
- dump_register(DEPCMDPAR0(0)),
- dump_register(DEPCMDPAR0(1)),
- dump_register(DEPCMDPAR0(2)),
- dump_register(DEPCMDPAR0(3)),
- dump_register(DEPCMDPAR0(4)),
- dump_register(DEPCMDPAR0(5)),
- dump_register(DEPCMDPAR0(6)),
- dump_register(DEPCMDPAR0(7)),
- dump_register(DEPCMDPAR0(8)),
- dump_register(DEPCMDPAR0(9)),
- dump_register(DEPCMDPAR0(10)),
- dump_register(DEPCMDPAR0(11)),
- dump_register(DEPCMDPAR0(12)),
- dump_register(DEPCMDPAR0(13)),
- dump_register(DEPCMDPAR0(14)),
- dump_register(DEPCMDPAR0(15)),
- dump_register(DEPCMDPAR0(16)),
- dump_register(DEPCMDPAR0(17)),
- dump_register(DEPCMDPAR0(18)),
- dump_register(DEPCMDPAR0(19)),
- dump_register(DEPCMDPAR0(20)),
- dump_register(DEPCMDPAR0(21)),
- dump_register(DEPCMDPAR0(22)),
- dump_register(DEPCMDPAR0(23)),
- dump_register(DEPCMDPAR0(24)),
- dump_register(DEPCMDPAR0(25)),
- dump_register(DEPCMDPAR0(26)),
- dump_register(DEPCMDPAR0(27)),
- dump_register(DEPCMDPAR0(28)),
- dump_register(DEPCMDPAR0(29)),
- dump_register(DEPCMDPAR0(30)),
- dump_register(DEPCMDPAR0(31)),
-
- dump_register(DEPCMD(0)),
- dump_register(DEPCMD(1)),
- dump_register(DEPCMD(2)),
- dump_register(DEPCMD(3)),
- dump_register(DEPCMD(4)),
- dump_register(DEPCMD(5)),
- dump_register(DEPCMD(6)),
- dump_register(DEPCMD(7)),
- dump_register(DEPCMD(8)),
- dump_register(DEPCMD(9)),
- dump_register(DEPCMD(10)),
- dump_register(DEPCMD(11)),
- dump_register(DEPCMD(12)),
- dump_register(DEPCMD(13)),
- dump_register(DEPCMD(14)),
- dump_register(DEPCMD(15)),
- dump_register(DEPCMD(16)),
- dump_register(DEPCMD(17)),
- dump_register(DEPCMD(18)),
- dump_register(DEPCMD(19)),
- dump_register(DEPCMD(20)),
- dump_register(DEPCMD(21)),
- dump_register(DEPCMD(22)),
- dump_register(DEPCMD(23)),
- dump_register(DEPCMD(24)),
- dump_register(DEPCMD(25)),
- dump_register(DEPCMD(26)),
- dump_register(DEPCMD(27)),
- dump_register(DEPCMD(28)),
- dump_register(DEPCMD(29)),
- dump_register(DEPCMD(30)),
- dump_register(DEPCMD(31)),
+ dump_ep_register_set(0),
+ dump_ep_register_set(1),
+ dump_ep_register_set(2),
+ dump_ep_register_set(3),
+ dump_ep_register_set(4),
+ dump_ep_register_set(5),
+ dump_ep_register_set(6),
+ dump_ep_register_set(7),
+ dump_ep_register_set(8),
+ dump_ep_register_set(9),
+ dump_ep_register_set(10),
+ dump_ep_register_set(11),
+ dump_ep_register_set(12),
+ dump_ep_register_set(13),
+ dump_ep_register_set(14),
+ dump_ep_register_set(15),
+ dump_ep_register_set(16),
+ dump_ep_register_set(17),
+ dump_ep_register_set(18),
+ dump_ep_register_set(19),
+ dump_ep_register_set(20),
+ dump_ep_register_set(21),
+ dump_ep_register_set(22),
+ dump_ep_register_set(23),
+ dump_ep_register_set(24),
+ dump_ep_register_set(25),
+ dump_ep_register_set(26),
+ dump_ep_register_set(27),
+ dump_ep_register_set(28),
+ dump_ep_register_set(29),
+ dump_ep_register_set(30),
+ dump_ep_register_set(31),
dump_register(OCFG),
dump_register(OCTL),
.release = single_release,
};
-int dwc3_debugfs_init(struct dwc3 *dwc)
+struct dwc3_ep_file_map {
+ char name[25];
+ int (*show)(struct seq_file *s, void *unused);
+};
+
+static int dwc3_tx_fifo_queue_show(struct seq_file *s, void *unused)
+{
+ struct dwc3_ep *dep = s->private;
+ struct dwc3 *dwc = dep->dwc;
+ unsigned long flags;
+ u32 val;
+
+ spin_lock_irqsave(&dwc->lock, flags);
+ val = dwc3_core_fifo_space(dep, DWC3_TXFIFOQ);
+ seq_printf(s, "%u\n", val);
+ spin_unlock_irqrestore(&dwc->lock, flags);
+
+ return 0;
+}
+
+static int dwc3_rx_fifo_queue_show(struct seq_file *s, void *unused)
+{
+ struct dwc3_ep *dep = s->private;
+ struct dwc3 *dwc = dep->dwc;
+ unsigned long flags;
+ u32 val;
+
+ spin_lock_irqsave(&dwc->lock, flags);
+ val = dwc3_core_fifo_space(dep, DWC3_RXFIFOQ);
+ seq_printf(s, "%u\n", val);
+ spin_unlock_irqrestore(&dwc->lock, flags);
+
+ return 0;
+}
+
+static int dwc3_tx_request_queue_show(struct seq_file *s, void *unused)
+{
+ struct dwc3_ep *dep = s->private;
+ struct dwc3 *dwc = dep->dwc;
+ unsigned long flags;
+ u32 val;
+
+ spin_lock_irqsave(&dwc->lock, flags);
+ val = dwc3_core_fifo_space(dep, DWC3_TXREQQ);
+ seq_printf(s, "%u\n", val);
+ spin_unlock_irqrestore(&dwc->lock, flags);
+
+ return 0;
+}
+
+static int dwc3_rx_request_queue_show(struct seq_file *s, void *unused)
+{
+ struct dwc3_ep *dep = s->private;
+ struct dwc3 *dwc = dep->dwc;
+ unsigned long flags;
+ u32 val;
+
+ spin_lock_irqsave(&dwc->lock, flags);
+ val = dwc3_core_fifo_space(dep, DWC3_RXREQQ);
+ seq_printf(s, "%u\n", val);
+ spin_unlock_irqrestore(&dwc->lock, flags);
+
+ return 0;
+}
+
+static int dwc3_rx_info_queue_show(struct seq_file *s, void *unused)
+{
+ struct dwc3_ep *dep = s->private;
+ struct dwc3 *dwc = dep->dwc;
+ unsigned long flags;
+ u32 val;
+
+ spin_lock_irqsave(&dwc->lock, flags);
+ val = dwc3_core_fifo_space(dep, DWC3_RXINFOQ);
+ seq_printf(s, "%u\n", val);
+ spin_unlock_irqrestore(&dwc->lock, flags);
+
+ return 0;
+}
+
+static int dwc3_descriptor_fetch_queue_show(struct seq_file *s, void *unused)
+{
+ struct dwc3_ep *dep = s->private;
+ struct dwc3 *dwc = dep->dwc;
+ unsigned long flags;
+ u32 val;
+
+ spin_lock_irqsave(&dwc->lock, flags);
+ val = dwc3_core_fifo_space(dep, DWC3_DESCFETCHQ);
+ seq_printf(s, "%u\n", val);
+ spin_unlock_irqrestore(&dwc->lock, flags);
+
+ return 0;
+}
+
+static int dwc3_event_queue_show(struct seq_file *s, void *unused)
+{
+ struct dwc3_ep *dep = s->private;
+ struct dwc3 *dwc = dep->dwc;
+ unsigned long flags;
+ u32 val;
+
+ spin_lock_irqsave(&dwc->lock, flags);
+ val = dwc3_core_fifo_space(dep, DWC3_EVENTQ);
+ seq_printf(s, "%u\n", val);
+ spin_unlock_irqrestore(&dwc->lock, flags);
+
+ return 0;
+}
+
+static int dwc3_ep_transfer_type_show(struct seq_file *s, void *unused)
+{
+ struct dwc3_ep *dep = s->private;
+ struct dwc3 *dwc = dep->dwc;
+ unsigned long flags;
+
+ spin_lock_irqsave(&dwc->lock, flags);
+ if (!(dep->flags & DWC3_EP_ENABLED) ||
+ !dep->endpoint.desc) {
+ seq_printf(s, "--\n");
+ goto out;
+ }
+
+ switch (usb_endpoint_type(dep->endpoint.desc)) {
+ case USB_ENDPOINT_XFER_CONTROL:
+ seq_printf(s, "control\n");
+ break;
+ case USB_ENDPOINT_XFER_ISOC:
+ seq_printf(s, "isochronous\n");
+ break;
+ case USB_ENDPOINT_XFER_BULK:
+ seq_printf(s, "bulk\n");
+ break;
+ case USB_ENDPOINT_XFER_INT:
+ seq_printf(s, "interrupt\n");
+ break;
+ default:
+ seq_printf(s, "--\n");
+ }
+
+out:
+ spin_unlock_irqrestore(&dwc->lock, flags);
+
+ return 0;
+}
+
+static inline const char *dwc3_trb_type_string(struct dwc3_trb *trb)
+{
+ switch (DWC3_TRBCTL_TYPE(trb->ctrl)) {
+ case DWC3_TRBCTL_NORMAL:
+ return "normal";
+ case DWC3_TRBCTL_CONTROL_SETUP:
+ return "control-setup";
+ case DWC3_TRBCTL_CONTROL_STATUS2:
+ return "control-status2";
+ case DWC3_TRBCTL_CONTROL_STATUS3:
+ return "control-status3";
+ case DWC3_TRBCTL_CONTROL_DATA:
+ return "control-data";
+ case DWC3_TRBCTL_ISOCHRONOUS_FIRST:
+ return "isoc-first";
+ case DWC3_TRBCTL_ISOCHRONOUS:
+ return "isoc";
+ case DWC3_TRBCTL_LINK_TRB:
+ return "link";
+ default:
+ return "UNKNOWN";
+ }
+}
+
+static int dwc3_ep_trb_ring_show(struct seq_file *s, void *unused)
+{
+ struct dwc3_ep *dep = s->private;
+ struct dwc3 *dwc = dep->dwc;
+ unsigned long flags;
+ int i;
+
+ spin_lock_irqsave(&dwc->lock, flags);
+ if (dep->number <= 1) {
+ seq_printf(s, "--\n");
+ goto out;
+ }
+
+ seq_printf(s, "enqueue pointer %d\n", dep->trb_enqueue);
+ seq_printf(s, "dequeue pointer %d\n", dep->trb_dequeue);
+ seq_printf(s, "\n--------------------------------------------------\n\n");
+ seq_printf(s, "buffer_addr,size,type,ioc,isp_imi,csp,chn,lst,hwo\n");
+
+ for (i = 0; i < DWC3_TRB_NUM; i++) {
+ struct dwc3_trb *trb = &dep->trb_pool[i];
+
+ seq_printf(s, "%08x%08x,%d,%s,%d,%d,%d,%d,%d,%d\n",
+ trb->bph, trb->bpl, trb->size,
+ dwc3_trb_type_string(trb),
+ !!(trb->ctrl & DWC3_TRB_CTRL_IOC),
+ !!(trb->ctrl & DWC3_TRB_CTRL_ISP_IMI),
+ !!(trb->ctrl & DWC3_TRB_CTRL_CSP),
+ !!(trb->ctrl & DWC3_TRB_CTRL_CHN),
+ !!(trb->ctrl & DWC3_TRB_CTRL_LST),
+ !!(trb->ctrl & DWC3_TRB_CTRL_HWO));
+ }
+
+out:
+ spin_unlock_irqrestore(&dwc->lock, flags);
+
+ return 0;
+}
+
+static struct dwc3_ep_file_map map[] = {
+ { "tx_fifo_queue", dwc3_tx_fifo_queue_show, },
+ { "rx_fifo_queue", dwc3_rx_fifo_queue_show, },
+ { "tx_request_queue", dwc3_tx_request_queue_show, },
+ { "rx_request_queue", dwc3_rx_request_queue_show, },
+ { "rx_info_queue", dwc3_rx_info_queue_show, },
+ { "descriptor_fetch_queue", dwc3_descriptor_fetch_queue_show, },
+ { "event_queue", dwc3_event_queue_show, },
+ { "transfer_type", dwc3_ep_transfer_type_show, },
+ { "trb_ring", dwc3_ep_trb_ring_show, },
+};
+
+static int dwc3_endpoint_open(struct inode *inode, struct file *file)
+{
+ const char *file_name = file_dentry(file)->d_iname;
+ struct dwc3_ep_file_map *f_map;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(map); i++) {
+ f_map = &map[i];
+
+ if (strcmp(f_map->name, file_name) == 0)
+ break;
+ }
+
+ return single_open(file, f_map->show, inode->i_private);
+}
+
+static const struct file_operations dwc3_endpoint_fops = {
+ .open = dwc3_endpoint_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static void dwc3_debugfs_create_endpoint_file(struct dwc3_ep *dep,
+ struct dentry *parent, int type)
{
- struct dentry *root;
struct dentry *file;
- int ret;
+ struct dwc3_ep_file_map *ep_file = &map[type];
- root = debugfs_create_dir(dev_name(dwc->dev), NULL);
- if (!root) {
- ret = -ENOMEM;
- goto err0;
+ file = debugfs_create_file(ep_file->name, S_IRUGO, parent, dep,
+ &dwc3_endpoint_fops);
+}
+
+static void dwc3_debugfs_create_endpoint_files(struct dwc3_ep *dep,
+ struct dentry *parent)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(map); i++)
+ dwc3_debugfs_create_endpoint_file(dep, parent, i);
+}
+
+static void dwc3_debugfs_create_endpoint_dir(struct dwc3_ep *dep,
+ struct dentry *parent)
+{
+ struct dentry *dir;
+
+ dir = debugfs_create_dir(dep->name, parent);
+ if (IS_ERR_OR_NULL(dir))
+ return;
+
+ dwc3_debugfs_create_endpoint_files(dep, dir);
+}
+
+static void dwc3_debugfs_create_endpoint_dirs(struct dwc3 *dwc,
+ struct dentry *parent)
+{
+ int i;
+
+ for (i = 0; i < dwc->num_in_eps; i++) {
+ u8 epnum = (i << 1) | 1;
+ struct dwc3_ep *dep = dwc->eps[epnum];
+
+ if (!dep)
+ continue;
+
+ dwc3_debugfs_create_endpoint_dir(dep, parent);
}
+ for (i = 0; i < dwc->num_out_eps; i++) {
+ u8 epnum = (i << 1);
+ struct dwc3_ep *dep = dwc->eps[epnum];
+
+ if (!dep)
+ continue;
+
+ dwc3_debugfs_create_endpoint_dir(dep, parent);
+ }
+}
+
+void dwc3_debugfs_init(struct dwc3 *dwc)
+{
+ struct dentry *root;
+ struct dentry *file;
+
+ root = debugfs_create_dir(dev_name(dwc->dev), NULL);
+ if (IS_ERR_OR_NULL(root)) {
+ if (!root)
+ dev_err(dwc->dev, "Can't create debugfs root\n");
+ return;
+ }
dwc->root = root;
dwc->regset = kzalloc(sizeof(*dwc->regset), GFP_KERNEL);
if (!dwc->regset) {
- ret = -ENOMEM;
- goto err1;
+ debugfs_remove_recursive(root);
+ return;
}
dwc->regset->regs = dwc3_regs;
dwc->regset->nregs = ARRAY_SIZE(dwc3_regs);
- dwc->regset->base = dwc->regs;
+ dwc->regset->base = dwc->regs - DWC3_GLOBALS_REGS_START;
file = debugfs_create_regset32("regdump", S_IRUGO, root, dwc->regset);
- if (!file) {
- ret = -ENOMEM;
- goto err1;
- }
+ if (!file)
+ dev_dbg(dwc->dev, "Can't create debugfs regdump\n");
if (IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE)) {
file = debugfs_create_file("mode", S_IRUGO | S_IWUSR, root,
dwc, &dwc3_mode_fops);
- if (!file) {
- ret = -ENOMEM;
- goto err1;
- }
+ if (!file)
+ dev_dbg(dwc->dev, "Can't create debugfs mode\n");
}
if (IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE) ||
IS_ENABLED(CONFIG_USB_DWC3_GADGET)) {
file = debugfs_create_file("testmode", S_IRUGO | S_IWUSR, root,
dwc, &dwc3_testmode_fops);
- if (!file) {
- ret = -ENOMEM;
- goto err1;
- }
-
- file = debugfs_create_file("link_state", S_IRUGO | S_IWUSR, root,
- dwc, &dwc3_link_state_fops);
- if (!file) {
- ret = -ENOMEM;
- goto err1;
- }
- }
-
- return 0;
+ if (!file)
+ dev_dbg(dwc->dev, "Can't create debugfs testmode\n");
-err1:
- debugfs_remove_recursive(root);
+ file = debugfs_create_file("link_state", S_IRUGO | S_IWUSR,
+ root, dwc, &dwc3_link_state_fops);
+ if (!file)
+ dev_dbg(dwc->dev, "Can't create debugfs link_state\n");
-err0:
- return ret;
+ dwc3_debugfs_create_endpoint_dirs(dwc, root);
+ }
}
void dwc3_debugfs_exit(struct dwc3 *dwc)
{
debugfs_remove_recursive(dwc->root);
- dwc->root = NULL;
+ kfree(dwc->regset);
}
projects / firefly-linux-kernel-4.4.55.git / blobdiff