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path: root/drivers/usb/dwc2/debugfs.c
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Diffstat (limited to 'drivers/usb/dwc2/debugfs.c')
-rw-r--r--drivers/usb/dwc2/debugfs.c182
1 files changed, 169 insertions, 13 deletions
diff --git a/drivers/usb/dwc2/debugfs.c b/drivers/usb/dwc2/debugfs.c
index 0a130916a91c..794b959a7c8c 100644
--- a/drivers/usb/dwc2/debugfs.c
+++ b/drivers/usb/dwc2/debugfs.c
@@ -137,7 +137,7 @@ static int state_show(struct seq_file *seq, void *v)
int idx;
seq_printf(seq, "DCFG=0x%08x, DCTL=0x%08x, DSTS=0x%08x\n",
- dwc2_readl(regs + DCFG),
+ dwc2_readl(regs + DCFG),
dwc2_readl(regs + DCTL),
dwc2_readl(regs + DSTS));
@@ -338,23 +338,23 @@ static void dwc2_hsotg_create_debug(struct dwc2_hsotg *hsotg)
{
struct dentry *root;
struct dentry *file;
- unsigned epidx;
+ unsigned int epidx;
root = hsotg->debug_root;
/* create general state file */
- file = debugfs_create_file("state", S_IRUGO, root, hsotg, &state_fops);
+ file = debugfs_create_file("state", 0444, root, hsotg, &state_fops);
if (IS_ERR(file))
dev_err(hsotg->dev, "%s: failed to create state\n", __func__);
- file = debugfs_create_file("testmode", S_IRUGO | S_IWUSR, root, hsotg,
- &testmode_fops);
+ file = debugfs_create_file("testmode", 0644, root, hsotg,
+ &testmode_fops);
if (IS_ERR(file))
dev_err(hsotg->dev, "%s: failed to create testmode\n",
- __func__);
+ __func__);
- file = debugfs_create_file("fifo", S_IRUGO, root, hsotg, &fifo_fops);
+ file = debugfs_create_file("fifo", 0444, root, hsotg, &fifo_fops);
if (IS_ERR(file))
dev_err(hsotg->dev, "%s: failed to create fifo\n", __func__);
@@ -364,8 +364,8 @@ static void dwc2_hsotg_create_debug(struct dwc2_hsotg *hsotg)
ep = hsotg->eps_out[epidx];
if (ep) {
- file = debugfs_create_file(ep->name, S_IRUGO,
- root, ep, &ep_fops);
+ file = debugfs_create_file(ep->name, 0444,
+ root, ep, &ep_fops);
if (IS_ERR(file))
dev_err(hsotg->dev, "failed to create %s debug file\n",
ep->name);
@@ -377,8 +377,8 @@ static void dwc2_hsotg_create_debug(struct dwc2_hsotg *hsotg)
ep = hsotg->eps_in[epidx];
if (ep) {
- file = debugfs_create_file(ep->name, S_IRUGO,
- root, ep, &ep_fops);
+ file = debugfs_create_file(ep->name, 0444,
+ root, ep, &ep_fops);
if (IS_ERR(file))
dev_err(hsotg->dev, "failed to create %s debug file\n",
ep->name);
@@ -725,6 +725,143 @@ static const struct debugfs_reg32 dwc2_regs[] = {
dump_register(HCDMAB(15)),
};
+#define print_param(_seq, _ptr, _param) \
+seq_printf((_seq), "%-30s: %d\n", #_param, (_ptr)->_param)
+
+#define print_param_hex(_seq, _ptr, _param) \
+seq_printf((_seq), "%-30s: 0x%x\n", #_param, (_ptr)->_param)
+
+static int params_show(struct seq_file *seq, void *v)
+{
+ struct dwc2_hsotg *hsotg = seq->private;
+ struct dwc2_core_params *p = &hsotg->params;
+ int i;
+
+ print_param(seq, p, otg_cap);
+ print_param(seq, p, dma_desc_enable);
+ print_param(seq, p, dma_desc_fs_enable);
+ print_param(seq, p, speed);
+ print_param(seq, p, enable_dynamic_fifo);
+ print_param(seq, p, en_multiple_tx_fifo);
+ print_param(seq, p, host_rx_fifo_size);
+ print_param(seq, p, host_nperio_tx_fifo_size);
+ print_param(seq, p, host_perio_tx_fifo_size);
+ print_param(seq, p, max_transfer_size);
+ print_param(seq, p, max_packet_count);
+ print_param(seq, p, host_channels);
+ print_param(seq, p, phy_type);
+ print_param(seq, p, phy_utmi_width);
+ print_param(seq, p, phy_ulpi_ddr);
+ print_param(seq, p, phy_ulpi_ext_vbus);
+ print_param(seq, p, i2c_enable);
+ print_param(seq, p, ulpi_fs_ls);
+ print_param(seq, p, host_support_fs_ls_low_power);
+ print_param(seq, p, host_ls_low_power_phy_clk);
+ print_param(seq, p, ts_dline);
+ print_param(seq, p, reload_ctl);
+ print_param_hex(seq, p, ahbcfg);
+ print_param(seq, p, uframe_sched);
+ print_param(seq, p, external_id_pin_ctl);
+ print_param(seq, p, hibernation);
+ print_param(seq, p, host_dma);
+ print_param(seq, p, g_dma);
+ print_param(seq, p, g_dma_desc);
+ print_param(seq, p, g_rx_fifo_size);
+ print_param(seq, p, g_np_tx_fifo_size);
+
+ for (i = 0; i < MAX_EPS_CHANNELS; i++) {
+ char str[32];
+
+ snprintf(str, 32, "g_tx_fifo_size[%d]", i);
+ seq_printf(seq, "%-30s: %d\n", str, p->g_tx_fifo_size[i]);
+ }
+
+ return 0;
+}
+
+static int params_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, params_show, inode->i_private);
+}
+
+static const struct file_operations params_fops = {
+ .owner = THIS_MODULE,
+ .open = params_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int hw_params_show(struct seq_file *seq, void *v)
+{
+ struct dwc2_hsotg *hsotg = seq->private;
+ struct dwc2_hw_params *hw = &hsotg->hw_params;
+
+ print_param(seq, hw, op_mode);
+ print_param(seq, hw, arch);
+ print_param(seq, hw, dma_desc_enable);
+ print_param(seq, hw, enable_dynamic_fifo);
+ print_param(seq, hw, en_multiple_tx_fifo);
+ print_param(seq, hw, rx_fifo_size);
+ print_param(seq, hw, host_nperio_tx_fifo_size);
+ print_param(seq, hw, dev_nperio_tx_fifo_size);
+ print_param(seq, hw, host_perio_tx_fifo_size);
+ print_param(seq, hw, nperio_tx_q_depth);
+ print_param(seq, hw, host_perio_tx_q_depth);
+ print_param(seq, hw, dev_token_q_depth);
+ print_param(seq, hw, max_transfer_size);
+ print_param(seq, hw, max_packet_count);
+ print_param(seq, hw, host_channels);
+ print_param(seq, hw, hs_phy_type);
+ print_param(seq, hw, fs_phy_type);
+ print_param(seq, hw, i2c_enable);
+ print_param(seq, hw, num_dev_ep);
+ print_param(seq, hw, num_dev_perio_in_ep);
+ print_param(seq, hw, total_fifo_size);
+ print_param(seq, hw, power_optimized);
+ print_param(seq, hw, utmi_phy_data_width);
+ print_param_hex(seq, hw, snpsid);
+ print_param_hex(seq, hw, dev_ep_dirs);
+
+ return 0;
+}
+
+static int hw_params_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, hw_params_show, inode->i_private);
+}
+
+static const struct file_operations hw_params_fops = {
+ .owner = THIS_MODULE,
+ .open = hw_params_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int dr_mode_show(struct seq_file *seq, void *v)
+{
+ struct dwc2_hsotg *hsotg = seq->private;
+ const char *dr_mode = "";
+
+ device_property_read_string(hsotg->dev, "dr_mode", &dr_mode);
+ seq_printf(seq, "%s\n", dr_mode);
+ return 0;
+}
+
+static int dr_mode_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, dr_mode_show, inode->i_private);
+}
+
+static const struct file_operations dr_mode_fops = {
+ .owner = THIS_MODULE,
+ .open = dr_mode_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
int dwc2_debugfs_init(struct dwc2_hsotg *hsotg)
{
int ret;
@@ -736,6 +873,25 @@ int dwc2_debugfs_init(struct dwc2_hsotg *hsotg)
goto err0;
}
+ file = debugfs_create_file("params", 0444,
+ hsotg->debug_root,
+ hsotg, &params_fops);
+ if (IS_ERR(file))
+ dev_err(hsotg->dev, "%s: failed to create params\n", __func__);
+
+ file = debugfs_create_file("hw_params", 0444,
+ hsotg->debug_root,
+ hsotg, &hw_params_fops);
+ if (IS_ERR(file))
+ dev_err(hsotg->dev, "%s: failed to create hw_params\n",
+ __func__);
+
+ file = debugfs_create_file("dr_mode", 0444,
+ hsotg->debug_root,
+ hsotg, &dr_mode_fops);
+ if (IS_ERR(file))
+ dev_err(hsotg->dev, "%s: failed to create dr_mode\n", __func__);
+
/* Add gadget debugfs nodes */
dwc2_hsotg_create_debug(hsotg);
@@ -750,8 +906,8 @@ int dwc2_debugfs_init(struct dwc2_hsotg *hsotg)
hsotg->regset->nregs = ARRAY_SIZE(dwc2_regs);
hsotg->regset->base = hsotg->regs;
- file = debugfs_create_regset32("regdump", S_IRUGO, hsotg->debug_root,
- hsotg->regset);
+ file = debugfs_create_regset32("regdump", 0444, hsotg->debug_root,
+ hsotg->regset);
if (!file) {
ret = -ENOMEM;
goto err1;
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-03 11:43:22 +0000