1 | /* $NetBSD: hid.h,v 1.14 2016/04/23 10:15:31 skrll Exp $ */ |
2 | /* $FreeBSD: src/sys/dev/usb/hid.h,v 1.7 1999/11/17 22:33:40 n_hibma Exp $ */ |
3 | |
4 | /* |
5 | * Copyright (c) 1998 The NetBSD Foundation, Inc. |
6 | * All rights reserved. |
7 | * |
8 | * This code is derived from software contributed to The NetBSD Foundation |
9 | * by Lennart Augustsson (lennart@augustsson.net) at |
10 | * Carlstedt Research & Technology. |
11 | * |
12 | * Redistribution and use in source and binary forms, with or without |
13 | * modification, are permitted provided that the following conditions |
14 | * are met: |
15 | * 1. Redistributions of source code must retain the above copyright |
16 | * notice, this list of conditions and the following disclaimer. |
17 | * 2. Redistributions in binary form must reproduce the above copyright |
18 | * notice, this list of conditions and the following disclaimer in the |
19 | * documentation and/or other materials provided with the distribution. |
20 | * |
21 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
22 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
23 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
24 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
31 | * POSSIBILITY OF SUCH DAMAGE. |
32 | */ |
33 | |
34 | enum hid_kind { |
35 | hid_input, |
36 | hid_output, |
37 | hid_feature, |
38 | hid_collection, |
39 | hid_endcollection, |
40 | hid_none |
41 | }; |
42 | |
43 | struct hid_location { |
44 | uint32_t size; |
45 | uint32_t count; |
46 | uint32_t pos; |
47 | }; |
48 | |
49 | struct hid_item { |
50 | /* Global */ |
51 | int32_t _usage_page; |
52 | int32_t logical_minimum; |
53 | int32_t logical_maximum; |
54 | int32_t physical_minimum; |
55 | int32_t physical_maximum; |
56 | int32_t unit_exponent; |
57 | int32_t unit; |
58 | int32_t report_ID; |
59 | /* Local */ |
60 | int32_t usage; |
61 | int32_t usage_minimum; |
62 | int32_t usage_maximum; |
63 | int32_t designator_index; |
64 | int32_t designator_minimum; |
65 | int32_t designator_maximum; |
66 | int32_t string_index; |
67 | int32_t string_minimum; |
68 | int32_t string_maximum; |
69 | int32_t set_delimiter; |
70 | /* Misc */ |
71 | int32_t collection; |
72 | int collevel; |
73 | enum hid_kind kind; |
74 | uint32_t flags; |
75 | /* Location */ |
76 | struct hid_location loc; |
77 | /* */ |
78 | struct hid_item *next; |
79 | }; |
80 | |
81 | struct hid_data *hid_start_parse(const void *, int, enum hid_kind); |
82 | void hid_end_parse(struct hid_data *); |
83 | int hid_get_item(struct hid_data *, struct hid_item *); |
84 | int hid_report_size(const void *, int, enum hid_kind, uint8_t); |
85 | int hid_locate(const void *, int, uint32_t, uint8_t, enum hid_kind, |
86 | struct hid_location *, uint32_t *); |
87 | long hid_get_data(const u_char *, const struct hid_location *); |
88 | u_long hid_get_udata(const u_char *, const struct hid_location *); |
89 | int hid_is_collection(const void *, int, uint8_t, uint32_t); |
90 | |