FreeBSD/Linux Kernel Cross Reference
sys/dev/hid/hidraw.h
1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2020 Vladimir Kondratyev <wulf@FreeBSD.org>
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD$
28 */
29
30 #ifndef _HID_HIDRAW_H
31 #define _HID_HIDRAW_H
32
33 #include <sys/ioccom.h>
34
35 #define HIDRAW_BUFFER_SIZE 64 /* number of input reports buffered */
36 #define HID_MAX_DESCRIPTOR_SIZE 4096 /* artificial limit taken from Linux */
37
38 /* Compatible with usb_gen_descriptor structure */
39 struct hidraw_gen_descriptor {
40 void *hgd_data;
41 uint16_t hgd_lang_id;
42 uint16_t hgd_maxlen;
43 uint16_t hgd_actlen;
44 uint16_t hgd_offset;
45 uint8_t hgd_config_index;
46 uint8_t hgd_string_index;
47 uint8_t hgd_iface_index;
48 uint8_t hgd_altif_index;
49 uint8_t hgd_endpt_index;
50 uint8_t hgd_report_type;
51 uint8_t reserved[8];
52 };
53
54 struct hidraw_report_descriptor {
55 uint32_t size;
56 uint8_t value[HID_MAX_DESCRIPTOR_SIZE];
57 };
58
59 struct hidraw_devinfo {
60 uint32_t bustype;
61 int16_t vendor;
62 int16_t product;
63 };
64
65 /* FreeBSD uhid(4)-compatible ioctl interface */
66 #define HIDRAW_GET_REPORT_DESC _IOWR('U', 21, struct hidraw_gen_descriptor)
67 #define HIDRAW_SET_IMMED _IOW ('U', 22, int)
68 #define HIDRAW_GET_REPORT _IOWR('U', 23, struct hidraw_gen_descriptor)
69 #define HIDRAW_SET_REPORT _IOW ('U', 24, struct hidraw_gen_descriptor)
70 #define HIDRAW_GET_REPORT_ID _IOR ('U', 25, int)
71 #define HIDRAW_SET_REPORT_DESC _IOW ('U', 26, struct hidraw_gen_descriptor)
72
73 /* Linux hidraw-compatible ioctl interface */
74 #define HIDIOCGRDESCSIZE _IOR('U', 30, int)
75 #define HIDIOCGRDESC _IO ('U', 31)
76 #define HIDIOCGRAWINFO _IOR('U', 32, struct hidraw_devinfo)
77 #define HIDIOCGRAWNAME(len) _IOC(IOC_OUT, 'U', 33, len)
78 #define HIDIOCGRAWPHYS(len) _IOC(IOC_OUT, 'U', 34, len)
79 #define HIDIOCSFEATURE(len) _IOC(IOC_IN, 'U', 35, len)
80 #define HIDIOCGFEATURE(len) _IOC(IOC_INOUT, 'U', 36, len)
81 #define HIDIOCGRAWUNIQ(len) _IOC(IOC_OUT, 'U', 37, len)
82
83 #endif /* _HID_HIDRAW_H */
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