| 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 | |
| 23 | struct 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 | |
| 35 | struct hid_device; |
| 36 | struct hid_usage; |
| 37 | struct hid_field; |
| 38 | struct hid_report; |
| 39 | |
| 40 | #ifdef CONFIG_USB_HIDDEV |
| 41 | int hiddev_connect(struct hid_device *hid, unsigned int force); |
| 42 | void hiddev_disconnect(struct hid_device *); |
| 43 | void hiddev_hid_event(struct hid_device *hid, struct hid_field *field, |
| 44 | struct hid_usage *usage, __s32 value); |
| 45 | void hiddev_report_event(struct hid_device *hid, struct hid_report *report); |
| 46 | #else |
| 47 | static inline int hiddev_connect(struct hid_device *hid, |
| 48 | unsigned int force) |
| 49 | { return -1; } |
| 50 | static inline void hiddev_disconnect(struct hid_device *hid) { } |
| 51 | static inline void hiddev_hid_event(struct hid_device *hid, struct hid_field *field, |
| 52 | struct hid_usage *usage, __s32 value) { } |
| 53 | static inline void hiddev_report_event(struct hid_device *hid, struct hid_report *report) { } |
| 54 | #endif |
| 55 | |
| 56 | #endif |