| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /* |
| 3 | * Copyright (c) 2007 Jiri Kosina |
| 4 | */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 5 | #ifndef _HIDRAW_H |
| 6 | #define _HIDRAW_H |
| 7 | |
| 8 | #include <uapi/linux/hidraw.h> |
| 9 | |
| 10 | |
| 11 | struct 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 | |
| 22 | struct hidraw_report { |
| 23 | __u8 *value; |
| 24 | int len; |
| 25 | }; |
| 26 | |
| 27 | struct 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 |
| 38 | int hidraw_init(void); |
| 39 | void hidraw_exit(void); |
| 40 | int hidraw_report_event(struct hid_device *, u8 *, int); |
| 41 | int hidraw_connect(struct hid_device *); |
| 42 | void hidraw_disconnect(struct hid_device *); |
| 43 | #else |
| 44 | static inline int hidraw_init(void) { return 0; } |
| 45 | static inline void hidraw_exit(void) { } |
| 46 | static inline int hidraw_report_event(struct hid_device *hid, u8 *data, int len) { return 0; } |
| 47 | static inline int hidraw_connect(struct hid_device *hid) { return -1; } |
| 48 | static inline void hidraw_disconnect(struct hid_device *hid) { } |
| 49 | #endif |
| 50 | |
| 51 | #endif |