1/*
2 * u_hid.h
3 *
4 * Utility definitions for the hid function
5 *
6 * Copyright (c) 2014 Samsung Electronics Co., Ltd.
7 *		http://www.samsung.com
8 *
9 * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
14 */
15
16#ifndef U_HID_H
17#define U_HID_H
18
19#include <linux/usb/composite.h>
20
21struct f_hid_opts {
22	struct usb_function_instance	func_inst;
23	int				minor;
24	unsigned char			subclass;
25	unsigned char			protocol;
26	unsigned short			report_length;
27	unsigned short			report_desc_length;
28	unsigned char			*report_desc;
29	bool				report_desc_alloc;
30
31	/*
32	 * Protect the data form concurrent access by read/write
33	 * and create symlink/remove symlink.
34	 */
35	 struct mutex			lock;
36	 int				refcnt;
37};
38
39int ghid_setup(struct usb_gadget *g, int count);
40void ghid_cleanup(void);
41
42#endif /* U_HID_H */
43