Commit 4bd1ac64 authored by John Youn's avatar John Youn Committed by Felipe Balbi
Browse files

usb: dwc2: Add debugfs file to show params 



Show the core params and hardware params.

Signed-off-by: default avatarJohn Youn <johnyoun@synopsys.com>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent 06e75df1

drivers/usb/dwc2/debugfs.c

+127 −0
Original line number Diff line number Diff line
@@ -725,6 +725,120 @@ 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,

};



int dwc2_debugfs_init(struct dwc2_hsotg *hsotg)

{

	int			ret;
@@ -736,6 +850,19 @@ 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__);



	/* Add gadget debugfs nodes */

	dwc2_hsotg_create_debug(hsotg);