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usb: dwc2: Add debugfs file to show params
Show the core params and hardware params. Signed-off-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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06e75df1b9
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1 changed files with 127 additions and 0 deletions
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@ -725,6 +725,120 @@ static const struct debugfs_reg32 dwc2_regs[] = {
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dump_register(HCDMAB(15)),
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};
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#define print_param(_seq, _ptr, _param) \
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seq_printf((_seq), "%-30s: %d\n", #_param, (_ptr)->_param)
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#define print_param_hex(_seq, _ptr, _param) \
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seq_printf((_seq), "%-30s: 0x%x\n", #_param, (_ptr)->_param)
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static int params_show(struct seq_file *seq, void *v)
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{
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struct dwc2_hsotg *hsotg = seq->private;
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struct dwc2_core_params *p = &hsotg->params;
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int i;
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print_param(seq, p, otg_cap);
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print_param(seq, p, dma_desc_enable);
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print_param(seq, p, dma_desc_fs_enable);
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print_param(seq, p, speed);
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print_param(seq, p, enable_dynamic_fifo);
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print_param(seq, p, en_multiple_tx_fifo);
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print_param(seq, p, host_rx_fifo_size);
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print_param(seq, p, host_nperio_tx_fifo_size);
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print_param(seq, p, host_perio_tx_fifo_size);
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print_param(seq, p, max_transfer_size);
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print_param(seq, p, max_packet_count);
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print_param(seq, p, host_channels);
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print_param(seq, p, phy_type);
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print_param(seq, p, phy_utmi_width);
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print_param(seq, p, phy_ulpi_ddr);
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print_param(seq, p, phy_ulpi_ext_vbus);
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print_param(seq, p, i2c_enable);
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print_param(seq, p, ulpi_fs_ls);
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print_param(seq, p, host_support_fs_ls_low_power);
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print_param(seq, p, host_ls_low_power_phy_clk);
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print_param(seq, p, ts_dline);
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print_param(seq, p, reload_ctl);
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print_param_hex(seq, p, ahbcfg);
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print_param(seq, p, uframe_sched);
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print_param(seq, p, external_id_pin_ctl);
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print_param(seq, p, hibernation);
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print_param(seq, p, host_dma);
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print_param(seq, p, g_dma);
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print_param(seq, p, g_dma_desc);
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print_param(seq, p, g_rx_fifo_size);
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print_param(seq, p, g_np_tx_fifo_size);
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for (i = 0; i < MAX_EPS_CHANNELS; i++) {
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char str[32];
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snprintf(str, 32, "g_tx_fifo_size[%d]", i);
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seq_printf(seq, "%-30s: %d\n", str, p->g_tx_fifo_size[i]);
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}
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return 0;
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}
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static int params_open(struct inode *inode, struct file *file)
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{
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return single_open(file, params_show, inode->i_private);
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}
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static const struct file_operations params_fops = {
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.owner = THIS_MODULE,
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.open = params_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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static int hw_params_show(struct seq_file *seq, void *v)
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{
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struct dwc2_hsotg *hsotg = seq->private;
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struct dwc2_hw_params *hw = &hsotg->hw_params;
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print_param(seq, hw, op_mode);
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print_param(seq, hw, arch);
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print_param(seq, hw, dma_desc_enable);
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print_param(seq, hw, enable_dynamic_fifo);
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print_param(seq, hw, en_multiple_tx_fifo);
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print_param(seq, hw, rx_fifo_size);
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print_param(seq, hw, host_nperio_tx_fifo_size);
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print_param(seq, hw, dev_nperio_tx_fifo_size);
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print_param(seq, hw, host_perio_tx_fifo_size);
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print_param(seq, hw, nperio_tx_q_depth);
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print_param(seq, hw, host_perio_tx_q_depth);
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print_param(seq, hw, dev_token_q_depth);
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print_param(seq, hw, max_transfer_size);
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print_param(seq, hw, max_packet_count);
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print_param(seq, hw, host_channels);
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print_param(seq, hw, hs_phy_type);
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print_param(seq, hw, fs_phy_type);
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print_param(seq, hw, i2c_enable);
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print_param(seq, hw, num_dev_ep);
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print_param(seq, hw, num_dev_perio_in_ep);
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print_param(seq, hw, total_fifo_size);
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print_param(seq, hw, power_optimized);
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print_param(seq, hw, utmi_phy_data_width);
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print_param_hex(seq, hw, snpsid);
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print_param_hex(seq, hw, dev_ep_dirs);
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return 0;
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}
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static int hw_params_open(struct inode *inode, struct file *file)
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{
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return single_open(file, hw_params_show, inode->i_private);
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}
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static const struct file_operations hw_params_fops = {
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.owner = THIS_MODULE,
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.open = hw_params_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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int dwc2_debugfs_init(struct dwc2_hsotg *hsotg)
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{
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int ret;
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@ -736,6 +850,19 @@ int dwc2_debugfs_init(struct dwc2_hsotg *hsotg)
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goto err0;
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}
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file = debugfs_create_file("params", 0444,
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hsotg->debug_root,
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hsotg, ¶ms_fops);
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if (IS_ERR(file))
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dev_err(hsotg->dev, "%s: failed to create params\n", __func__);
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file = debugfs_create_file("hw_params", 0444,
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hsotg->debug_root,
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hsotg, &hw_params_fops);
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if (IS_ERR(file))
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dev_err(hsotg->dev, "%s: failed to create hw_params\n",
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__func__);
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/* Add gadget debugfs nodes */
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dwc2_hsotg_create_debug(hsotg);
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