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hidraw.h
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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;
24  struct hid_device *hid;
25  struct device *dev;
26  struct list_head list;
27 };
28 
29 struct hidraw_report {
31  int len;
32 };
33 
34 struct hidraw_list {
36  int head;
37  int tail;
39  struct hidraw *hidraw;
40  struct list_head node;
41  struct mutex read_mutex;
42 };
43 
44 #ifdef CONFIG_HIDRAW
45 int hidraw_init(void);
46 void hidraw_exit(void);
47 int hidraw_report_event(struct hid_device *, u8 *, int);
48 int hidraw_connect(struct hid_device *);
49 void hidraw_disconnect(struct hid_device *);
50 #else
51 static inline int hidraw_init(void) { return 0; }
52 static inline void hidraw_exit(void) { }
53 static inline int hidraw_report_event(struct hid_device *hid, u8 *data, int len) { return 0; }
54 static inline int hidraw_connect(struct hid_device *hid) { return -1; }
55 static inline void hidraw_disconnect(struct hid_device *hid) { }
56 #endif
57 
58 #endif