1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Copyright (c) 1999-2000 Vojtech Pavlik
4 *
5 * Sponsored by SuSE
6 */
7/*
8 *
9 * Should you need to contact me, the author, you can do so either by
10 * e-mail - mail your message to <vojtech@suse.cz>, or by paper mail:
11 * Vojtech Pavlik, Ucitelska 1576, Prague 8, 182 00 Czech Republic
12 */
13#ifndef _HIDDEV_H
14#define _HIDDEV_H
15
16#include <uapi/linux/hiddev.h>
17
18
19/*
20 * In-kernel definitions.
21 */
22
23struct hiddev {
24 int minor;
25 int exist;
26 int open;
27 struct mutex existancelock;
28 wait_queue_head_t wait;
29 struct hid_device *hid;
30 struct list_head list;
31 spinlock_t list_lock;
32 bool initialized;
33};
34
35struct hid_device;
36struct hid_usage;
37struct hid_field;
38struct hid_report;
39
40#ifdef CONFIG_USB_HIDDEV
41int hiddev_connect(struct hid_device *hid, unsigned int force);
42void hiddev_disconnect(struct hid_device *);
43void hiddev_hid_event(struct hid_device *hid, struct hid_field *field,
44 struct hid_usage *usage, __s32 value);
45void hiddev_report_event(struct hid_device *hid, struct hid_report *report);
46#else
47static inline int hiddev_connect(struct hid_device *hid,
48 unsigned int force)
49{ return -1; }
50static inline void hiddev_disconnect(struct hid_device *hid) { }
51static inline void hiddev_hid_event(struct hid_device *hid, struct hid_field *field,
52 struct hid_usage *usage, __s32 value) { }
53static inline void hiddev_report_event(struct hid_device *hid, struct hid_report *report) { }
54#endif
55
56#endif
57