linux/drivers/usb/gadget/legacy/hid.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * hid.c -- HID Composite driver
 *
 * Based on multi.c
 *
 * Copyright (C) 2010 Fabien Chouteau <[email protected]>
 */


#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/usb/composite.h>
#include <linux/usb/g_hid.h>

#define DRIVER_DESC …
#define DRIVER_VERSION …

#include "u_hid.h"

/*-------------------------------------------------------------------------*/

#define HIDG_VENDOR_NUM …
#define HIDG_PRODUCT_NUM …

/*-------------------------------------------------------------------------*/

struct hidg_func_node { … };

static LIST_HEAD(hidg_func_list);

/*-------------------------------------------------------------------------*/
USB_GADGET_COMPOSITE_OPTIONS(…);

static struct usb_device_descriptor device_desc = …;

static const struct usb_descriptor_header *otg_desc[2];

/* string IDs are assigned dynamically */
static struct usb_string strings_dev[] = …;

static struct usb_gadget_strings stringtab_dev = …;

static struct usb_gadget_strings *dev_strings[] = …;



/****************************** Configurations ******************************/

static int do_config(struct usb_configuration *c)
{ … }

static struct usb_configuration config_driver = …;

/****************************** Gadget Bind ******************************/

static int hid_bind(struct usb_composite_dev *cdev)
{ … }

static int hid_unbind(struct usb_composite_dev *cdev)
{ … }

static int hidg_plat_driver_probe(struct platform_device *pdev)
{ … }

static void hidg_plat_driver_remove(struct platform_device *pdev)
{ … }


/****************************** Some noise ******************************/


static struct usb_composite_driver hidg_driver = …;

static struct platform_driver hidg_plat_driver = …;


MODULE_DESCRIPTION(…);
MODULE_AUTHOR(…) …;
MODULE_LICENSE(…) …;

static int __init hidg_init(void)
{ … }
module_init(…) …;

static void __exit hidg_cleanup(void)
{ … }
module_exit(hidg_cleanup);