1#ifndef _HIDRAW_H
2#define _HIDRAW_H
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18#include <linux/hid.h>
19#include <linux/types.h>
20
21struct hidraw_report_descriptor {
22 __u32 size;
23 __u8 value[HID_MAX_DESCRIPTOR_SIZE];
24};
25
26struct hidraw_devinfo {
27 __u32 bustype;
28 __s16 vendor;
29 __s16 product;
30};
31
32
33#define HIDIOCGRDESCSIZE _IOR('H', 0x01, int)
34#define HIDIOCGRDESC _IOR('H', 0x02, struct hidraw_report_descriptor)
35#define HIDIOCGRAWINFO _IOR('H', 0x03, struct hidraw_devinfo)
36#define HIDIOCGRAWNAME(len) _IOC(_IOC_READ, 'H', 0x04, len)
37#define HIDIOCGRAWPHYS(len) _IOC(_IOC_READ, 'H', 0x05, len)
38
39#define HIDRAW_FIRST_MINOR 0
40#define HIDRAW_MAX_DEVICES 64
41
42#define HIDRAW_BUFFER_SIZE 64
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44
45
46#ifdef __KERNEL__
47
48struct hidraw {
49 unsigned int minor;
50 int exist;
51 int open;
52 wait_queue_head_t wait;
53 struct hid_device *hid;
54 struct device *dev;
55 struct list_head list;
56};
57
58struct hidraw_report {
59 __u8 *value;
60 int len;
61};
62
63struct hidraw_list {
64 struct hidraw_report buffer[HIDRAW_BUFFER_SIZE];
65 int head;
66 int tail;
67 struct fasync_struct *fasync;
68 struct hidraw *hidraw;
69 struct list_head node;
70 struct mutex read_mutex;
71};
72
73#ifdef CONFIG_HIDRAW
74int hidraw_init(void);
75void hidraw_exit(void);
76void hidraw_report_event(struct hid_device *, u8 *, int);
77int hidraw_connect(struct hid_device *);
78void hidraw_disconnect(struct hid_device *);
79#else
80static inline int hidraw_init(void) { return 0; }
81static inline void hidraw_exit(void) { }
82static inline void hidraw_report_event(struct hid_device *hid, u8 *data, int len) { }
83static inline int hidraw_connect(struct hid_device *hid) { return -1; }
84static inline void hidraw_disconnect(struct hid_device *hid) { }
85#endif
86
87#endif
88
89#endif
90