| 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 | |