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-rw-r--r--include/linux/hiddev.h190
1 files changed, 3 insertions, 187 deletions
diff --git a/include/linux/hiddev.h b/include/linux/hiddev.h
index a3f481a3063b..a5dd8148660b 100644
--- a/include/linux/hiddev.h
+++ b/include/linux/hiddev.h
@@ -1,12 +1,8 @@
1#ifndef _HIDDEV_H
2#define _HIDDEV_H
3
4/* 1/*
5 * Copyright (c) 1999-2000 Vojtech Pavlik 2 * Copyright (c) 1999-2000 Vojtech Pavlik
6 * 3 *
7 * Sponsored by SuSE 4 * Sponsored by SuSE
8 */ 5 */
9
10/* 6/*
11 * This program is free software; you can redistribute it and/or modify 7 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by 8 * it under the terms of the GNU General Public License as published by
@@ -26,190 +22,11 @@
26 * e-mail - mail your message to <vojtech@suse.cz>, or by paper mail: 22 * e-mail - mail your message to <vojtech@suse.cz>, or by paper mail:
27 * Vojtech Pavlik, Ucitelska 1576, Prague 8, 182 00 Czech Republic 23 * Vojtech Pavlik, Ucitelska 1576, Prague 8, 182 00 Czech Republic
28 */ 24 */
25#ifndef _HIDDEV_H
26#define _HIDDEV_H
29 27
30#include <linux/types.h> 28#include <uapi/linux/hiddev.h>
31
32/*
33 * The event structure itself
34 */
35
36struct hiddev_event {
37 unsigned hid;
38 signed int value;
39};
40
41struct hiddev_devinfo {
42 __u32 bustype;
43 __u32 busnum;
44 __u32 devnum;
45 __u32 ifnum;
46 __s16 vendor;
47 __s16 product;
48 __s16 version;
49 __u32 num_applications;
50};
51
52struct hiddev_collection_info {
53 __u32 index;
54 __u32 type;
55 __u32 usage;
56 __u32 level;
57};
58
59#define HID_STRING_SIZE 256
60struct hiddev_string_descriptor {
61 __s32 index;
62 char value[HID_STRING_SIZE];
63};
64
65struct hiddev_report_info {
66 __u32 report_type;
67 __u32 report_id;
68 __u32 num_fields;
69};
70
71/* To do a GUSAGE/SUSAGE, fill in at least usage_code, report_type and
72 * report_id. Set report_id to REPORT_ID_UNKNOWN if the rest of the fields
73 * are unknown. Otherwise use a usage_ref struct filled in from a previous
74 * successful GUSAGE call to save time. To actually send a value to the
75 * device, perform a SUSAGE first, followed by a SREPORT. An INITREPORT or a
76 * GREPORT isn't necessary for a GUSAGE to return valid data.
77 */
78#define HID_REPORT_ID_UNKNOWN 0xffffffff
79#define HID_REPORT_ID_FIRST 0x00000100
80#define HID_REPORT_ID_NEXT 0x00000200
81#define HID_REPORT_ID_MASK 0x000000ff
82#define HID_REPORT_ID_MAX 0x000000ff
83
84#define HID_REPORT_TYPE_INPUT 1
85#define HID_REPORT_TYPE_OUTPUT 2
86#define HID_REPORT_TYPE_FEATURE 3
87#define HID_REPORT_TYPE_MIN 1
88#define HID_REPORT_TYPE_MAX 3
89
90struct hiddev_field_info {
91 __u32 report_type;
92 __u32 report_id;
93 __u32 field_index;
94 __u32 maxusage;
95 __u32 flags;
96 __u32 physical; /* physical usage for this field */
97 __u32 logical; /* logical usage for this field */
98 __u32 application; /* application usage for this field */
99 __s32 logical_minimum;
100 __s32 logical_maximum;
101 __s32 physical_minimum;
102 __s32 physical_maximum;
103 __u32 unit_exponent;
104 __u32 unit;
105};
106
107/* Fill in report_type, report_id and field_index to get the information on a
108 * field.
109 */
110#define HID_FIELD_CONSTANT 0x001
111#define HID_FIELD_VARIABLE 0x002
112#define HID_FIELD_RELATIVE 0x004
113#define HID_FIELD_WRAP 0x008
114#define HID_FIELD_NONLINEAR 0x010
115#define HID_FIELD_NO_PREFERRED 0x020
116#define HID_FIELD_NULL_STATE 0x040
117#define HID_FIELD_VOLATILE 0x080
118#define HID_FIELD_BUFFERED_BYTE 0x100
119
120struct hiddev_usage_ref {
121 __u32 report_type;
122 __u32 report_id;
123 __u32 field_index;
124 __u32 usage_index;
125 __u32 usage_code;
126 __s32 value;
127};
128
129/* hiddev_usage_ref_multi is used for sending multiple bytes to a control.
130 * It really manifests itself as setting the value of consecutive usages */
131#define HID_MAX_MULTI_USAGES 1024
132struct hiddev_usage_ref_multi {
133 struct hiddev_usage_ref uref;
134 __u32 num_values;
135 __s32 values[HID_MAX_MULTI_USAGES];
136};
137
138/* FIELD_INDEX_NONE is returned in read() data from the kernel when flags
139 * is set to (HIDDEV_FLAG_UREF | HIDDEV_FLAG_REPORT) and a new report has
140 * been sent by the device
141 */
142#define HID_FIELD_INDEX_NONE 0xffffffff
143
144/*
145 * Protocol version.
146 */
147
148#define HID_VERSION 0x010004
149
150/*
151 * IOCTLs (0x00 - 0x7f)
152 */
153
154#define HIDIOCGVERSION _IOR('H', 0x01, int)
155#define HIDIOCAPPLICATION _IO('H', 0x02)
156#define HIDIOCGDEVINFO _IOR('H', 0x03, struct hiddev_devinfo)
157#define HIDIOCGSTRING _IOR('H', 0x04, struct hiddev_string_descriptor)
158#define HIDIOCINITREPORT _IO('H', 0x05)
159#define HIDIOCGNAME(len) _IOC(_IOC_READ, 'H', 0x06, len)
160#define HIDIOCGREPORT _IOW('H', 0x07, struct hiddev_report_info)
161#define HIDIOCSREPORT _IOW('H', 0x08, struct hiddev_report_info)
162#define HIDIOCGREPORTINFO _IOWR('H', 0x09, struct hiddev_report_info)
163#define HIDIOCGFIELDINFO _IOWR('H', 0x0A, struct hiddev_field_info)
164#define HIDIOCGUSAGE _IOWR('H', 0x0B, struct hiddev_usage_ref)
165#define HIDIOCSUSAGE _IOW('H', 0x0C, struct hiddev_usage_ref)
166#define HIDIOCGUCODE _IOWR('H', 0x0D, struct hiddev_usage_ref)
167#define HIDIOCGFLAG _IOR('H', 0x0E, int)
168#define HIDIOCSFLAG _IOW('H', 0x0F, int)
169#define HIDIOCGCOLLECTIONINDEX _IOW('H', 0x10, struct hiddev_usage_ref)
170#define HIDIOCGCOLLECTIONINFO _IOWR('H', 0x11, struct hiddev_collection_info)
171#define HIDIOCGPHYS(len) _IOC(_IOC_READ, 'H', 0x12, len)
172
173/* For writing/reading to multiple/consecutive usages */
174#define HIDIOCGUSAGES _IOWR('H', 0x13, struct hiddev_usage_ref_multi)
175#define HIDIOCSUSAGES _IOW('H', 0x14, struct hiddev_usage_ref_multi)
176
177/*
178 * Flags to be used in HIDIOCSFLAG
179 */
180#define HIDDEV_FLAG_UREF 0x1
181#define HIDDEV_FLAG_REPORT 0x2
182#define HIDDEV_FLAGS 0x3
183
184/* To traverse the input report descriptor info for a HID device, perform the
185 * following:
186 *
187 * rinfo.report_type = HID_REPORT_TYPE_INPUT;
188 * rinfo.report_id = HID_REPORT_ID_FIRST;
189 * ret = ioctl(fd, HIDIOCGREPORTINFO, &rinfo);
190 *
191 * while (ret >= 0) {
192 * for (i = 0; i < rinfo.num_fields; i++) {
193 * finfo.report_type = rinfo.report_type;
194 * finfo.report_id = rinfo.report_id;
195 * finfo.field_index = i;
196 * ioctl(fd, HIDIOCGFIELDINFO, &finfo);
197 * for (j = 0; j < finfo.maxusage; j++) {
198 * uref.report_type = rinfo.report_type;
199 * uref.report_id = rinfo.report_id;
200 * uref.field_index = i;
201 * uref.usage_index = j;
202 * ioctl(fd, HIDIOCGUCODE, &uref);
203 * ioctl(fd, HIDIOCGUSAGE, &uref);
204 * }
205 * }
206 * rinfo.report_id |= HID_REPORT_ID_NEXT;
207 * ret = ioctl(fd, HIDIOCGREPORTINFO, &rinfo);
208 * }
209 */
210
211 29
212#ifdef __KERNEL__
213 30
214/* 31/*
215 * In-kernel definitions. 32 * In-kernel definitions.
@@ -237,4 +54,3 @@ static inline void hiddev_report_event(struct hid_device *hid, struct hid_report
237#endif 54#endif
238 55
239#endif 56#endif
240#endif
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-30 19:29:51 -0400