linux/drivers/usb/chipidea/debug.c

// SPDX-License-Identifier: GPL-2.0
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/types.h>
#include <linux/spinlock.h>
#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include <linux/uaccess.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
#include <linux/usb/phy.h>
#include <linux/usb/otg.h>
#include <linux/usb/otg-fsm.h>
#include <linux/usb/chipidea.h>

#include "ci.h"
#include "udc.h"
#include "bits.h"
#include "otg.h"

/*
 * ci_device_show: prints information about device capabilities and status
 */
static int ci_device_show(struct seq_file *s, void *data)
{ … }
DEFINE_SHOW_ATTRIBUTE(…);

/*
 * ci_port_test_show: reads port test mode
 */
static int ci_port_test_show(struct seq_file *s, void *data)
{ … }

/*
 * ci_port_test_write: writes port test mode
 */
static ssize_t ci_port_test_write(struct file *file, const char __user *ubuf,
				  size_t count, loff_t *ppos)
{ … }

static int ci_port_test_open(struct inode *inode, struct file *file)
{ … }

static const struct file_operations ci_port_test_fops = …;

/*
 * ci_qheads_show: DMA contents of all queue heads
 */
static int ci_qheads_show(struct seq_file *s, void *data)
{ … }
DEFINE_SHOW_ATTRIBUTE(…);

/*
 * ci_requests_show: DMA contents of all requests currently queued (all endpts)
 */
static int ci_requests_show(struct seq_file *s, void *data)
{ … }
DEFINE_SHOW_ATTRIBUTE(…);

static int ci_otg_show(struct seq_file *s, void *unused)
{ … }
DEFINE_SHOW_ATTRIBUTE(…);

static int ci_registers_show(struct seq_file *s, void *unused)
{ … }
DEFINE_SHOW_ATTRIBUTE(…);

/**
 * dbg_create_files: initializes the attribute interface
 * @ci: device
 *
 * This function returns an error code
 */
void dbg_create_files(struct ci_hdrc *ci)
{ … }

/**
 * dbg_remove_files: destroys the attribute interface
 * @ci: device
 */
void dbg_remove_files(struct ci_hdrc *ci)
{ … }