1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 *  Copyright (c) 2007 Jiri Kosina
4 */
5#ifndef _HIDRAW_H
6#define _HIDRAW_H
7
8#include <uapi/linux/hidraw.h>
9
10
11struct hidraw {
12	unsigned int minor;
13	int exist;
14	int open;
15	wait_queue_head_t wait;
16	struct hid_device *hid;
17	struct device *dev;
18	spinlock_t list_lock;
19	struct list_head list;
20};
21
22struct hidraw_report {
23	__u8 *value;
24	int len;
25};
26
27struct hidraw_list {
28	struct hidraw_report buffer[HIDRAW_BUFFER_SIZE];
29	int head;
30	int tail;
31	struct fasync_struct *fasync;
32	struct hidraw *hidraw;
33	struct list_head node;
34	struct mutex read_mutex;
35};
36
37#ifdef CONFIG_HIDRAW
38int hidraw_init(void);
39void hidraw_exit(void);
40int hidraw_report_event(struct hid_device *, u8 *, int);
41int hidraw_connect(struct hid_device *);
42void hidraw_disconnect(struct hid_device *);
43#else
44static inline int hidraw_init(void) { return 0; }
45static inline void hidraw_exit(void) { }
46static inline int hidraw_report_event(struct hid_device *hid, u8 *data, int len) { return 0; }
47static inline int hidraw_connect(struct hid_device *hid) { return -1; }
48static inline void hidraw_disconnect(struct hid_device *hid) { }
49#endif
50
51#endif
52