1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/* $FreeBSD$ */
/*-
* Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
* Copyright (c) 1998 The NetBSD Foundation, Inc. All rights reserved.
* Copyright (c) 1998 Lennart Augustsson. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _USB2_CORE_HID_H_
#define _USB2_CORE_HID_H_
struct usb2_hid_descriptor;
struct usb2_config_descriptor;
enum hid_kind {
hid_input, hid_output, hid_feature, hid_collection, hid_endcollection
};
struct hid_location {
uint32_t size;
uint32_t count;
uint32_t pos;
};
struct hid_item {
/* Global */
int32_t _usage_page;
int32_t logical_minimum;
int32_t logical_maximum;
int32_t physical_minimum;
int32_t physical_maximum;
int32_t unit_exponent;
int32_t unit;
int32_t report_ID;
/* Local */
int32_t usage;
int32_t usage_minimum;
int32_t usage_maximum;
int32_t designator_index;
int32_t designator_minimum;
int32_t designator_maximum;
int32_t string_index;
int32_t string_minimum;
int32_t string_maximum;
int32_t set_delimiter;
/* Misc */
int32_t collection;
int collevel;
enum hid_kind kind;
uint32_t flags;
/* Location */
struct hid_location loc;
};
/* prototypes from "usb2_hid.c" */
struct hid_data *hid_start_parse(const void *d, int len, int kindset);
void hid_end_parse(struct hid_data *s);
int hid_get_item(struct hid_data *s, struct hid_item *h);
int hid_report_size(const void *buf, int len, enum hid_kind k,
uint8_t *id);
int hid_locate(const void *desc, int size, uint32_t usage,
enum hid_kind kind, struct hid_location *loc,
uint32_t *flags, uint8_t *id);
uint32_t hid_get_data(const uint8_t *buf, uint32_t len,
struct hid_location *loc);
int hid_is_collection(const void *desc, int size, uint32_t usage);
struct usb2_hid_descriptor *hid_get_descriptor_from_usb(
struct usb2_config_descriptor *cd,
struct usb2_interface_descriptor *id);
usb2_error_t usb2_req_get_hid_desc(struct usb2_device *udev, struct mtx *mtx,
void **descp, uint16_t *sizep, usb2_malloc_type mem,
uint8_t iface_index);
#endif /* _USB2_CORE_HID_H_ */
|