1 /* 2 * Copyright (c) 2007 Jiri Kosina 3 */ 4 /* 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms and conditions of the GNU General Public License, 7 * version 2, as published by the Free Software Foundation. 8 * 9 * You should have received a copy of the GNU General Public License along with 10 * this program; if not, write to the Free Software Foundation, Inc., 11 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 12 */ 13 #ifndef _HIDRAW_H 14 #define _HIDRAW_H 15 16 #include <uapi/linux/hidraw.h> 17 18 19 struct hidraw { 20 unsigned int minor; 21 int exist; 22 int open; 23 wait_queue_head_t wait; 24 struct hid_device *hid; 25 struct device *dev; 26 spinlock_t list_lock; 27 struct list_head list; 28 }; 29 30 struct hidraw_report { 31 __u8 *value; 32 int len; 33 }; 34 35 struct hidraw_list { 36 struct hidraw_report buffer[HIDRAW_BUFFER_SIZE]; 37 int head; 38 int tail; 39 struct fasync_struct *fasync; 40 struct hidraw *hidraw; 41 struct list_head node; 42 struct mutex read_mutex; 43 }; 44 45 #ifdef CONFIG_HIDRAW 46 int hidraw_init(void); 47 void hidraw_exit(void); 48 int hidraw_report_event(struct hid_device *, u8 *, int); 49 int hidraw_connect(struct hid_device *); 50 void hidraw_disconnect(struct hid_device *); 51 #else 52 static inline int hidraw_init(void) { return 0; } 53 static inline void hidraw_exit(void) { } 54 static inline int hidraw_report_event(struct hid_device *hid, u8 *data, int len) { return 0; } 55 static inline int hidraw_connect(struct hid_device *hid) { return -1; } 56 static inline void hidraw_disconnect(struct hid_device *hid) { } 57 #endif 58 59 #endif 60