1 /* SPDX-License-Identifier: GPL-2.0-or-later * <<
2 /* 1 /*
3 * Copyright (c) 1999 Andreas Gal 2 * Copyright (c) 1999 Andreas Gal
4 * Copyright (c) 2000-2001 Vojtech Pavlik 3 * Copyright (c) 2000-2001 Vojtech Pavlik
5 * Copyright (c) 2006-2007 Jiri Kosina 4 * Copyright (c) 2006-2007 Jiri Kosina
6 */ 5 */
7 /* 6 /*
>> 7 * This program is free software; you can redistribute it and/or modify
>> 8 * it under the terms of the GNU General Public License as published by
>> 9 * the Free Software Foundation; either version 2 of the License, or
>> 10 * (at your option) any later version.
>> 11 *
>> 12 * This program is distributed in the hope that it will be useful,
>> 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
>> 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
>> 15 * GNU General Public License for more details.
>> 16 *
>> 17 * You should have received a copy of the GNU General Public License
>> 18 * along with this program; if not, write to the Free Software
>> 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
8 * 20 *
9 * Should you need to contact me, the author, 21 * Should you need to contact me, the author, you can do so either by
10 * e-mail - mail your message to <vojtech@ucw. 22 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
11 * Vojtech Pavlik, Simunkova 1594, Prague 8, 1 23 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
12 */ 24 */
13 #ifndef __HID_H 25 #ifndef __HID_H
14 #define __HID_H 26 #define __HID_H
15 27
16 28
17 #include <linux/bitops.h> <<
18 #include <linux/types.h> 29 #include <linux/types.h>
19 #include <linux/slab.h> 30 #include <linux/slab.h>
20 #include <linux/list.h> 31 #include <linux/list.h>
21 #include <linux/mod_devicetable.h> /* hid_devi 32 #include <linux/mod_devicetable.h> /* hid_device_id */
22 #include <linux/timer.h> 33 #include <linux/timer.h>
23 #include <linux/workqueue.h> 34 #include <linux/workqueue.h>
24 #include <linux/input.h> 35 #include <linux/input.h>
25 #include <linux/semaphore.h> 36 #include <linux/semaphore.h>
26 #include <linux/mutex.h> <<
27 #include <linux/power_supply.h> 37 #include <linux/power_supply.h>
28 #include <uapi/linux/hid.h> 38 #include <uapi/linux/hid.h>
29 #include <linux/hid_bpf.h> <<
30 39
31 /* 40 /*
32 * We parse each description item into this st 41 * We parse each description item into this structure. Short items data
33 * values are expanded to 32-bit signed int, l 42 * values are expanded to 32-bit signed int, long items contain a pointer
34 * into the data area. 43 * into the data area.
35 */ 44 */
36 45
37 struct hid_item { 46 struct hid_item {
38 unsigned format; 47 unsigned format;
39 __u8 size; 48 __u8 size;
40 __u8 type; 49 __u8 type;
41 __u8 tag; 50 __u8 tag;
42 union { 51 union {
43 __u8 u8; 52 __u8 u8;
44 __s8 s8; 53 __s8 s8;
45 __u16 u16; 54 __u16 u16;
46 __s16 s16; 55 __s16 s16;
47 __u32 u32; 56 __u32 u32;
48 __s32 s32; 57 __s32 s32;
49 const __u8 *longdata; !! 58 __u8 *longdata;
50 } data; 59 } data;
51 }; 60 };
52 61
53 /* 62 /*
54 * HID report item format 63 * HID report item format
55 */ 64 */
56 65
57 #define HID_ITEM_FORMAT_SHORT 0 66 #define HID_ITEM_FORMAT_SHORT 0
58 #define HID_ITEM_FORMAT_LONG 1 67 #define HID_ITEM_FORMAT_LONG 1
59 68
60 /* 69 /*
61 * Special tag indicating long items 70 * Special tag indicating long items
62 */ 71 */
63 72
64 #define HID_ITEM_TAG_LONG 15 73 #define HID_ITEM_TAG_LONG 15
65 74
66 /* 75 /*
67 * HID report descriptor item type (prefix bit 76 * HID report descriptor item type (prefix bit 2,3)
68 */ 77 */
69 78
70 #define HID_ITEM_TYPE_MAIN 0 79 #define HID_ITEM_TYPE_MAIN 0
71 #define HID_ITEM_TYPE_GLOBAL 1 80 #define HID_ITEM_TYPE_GLOBAL 1
72 #define HID_ITEM_TYPE_LOCAL 2 81 #define HID_ITEM_TYPE_LOCAL 2
73 #define HID_ITEM_TYPE_RESERVED 3 82 #define HID_ITEM_TYPE_RESERVED 3
74 83
75 /* 84 /*
76 * HID report descriptor main item tags 85 * HID report descriptor main item tags
77 */ 86 */
78 87
79 #define HID_MAIN_ITEM_TAG_INPUT 88 #define HID_MAIN_ITEM_TAG_INPUT 8
80 #define HID_MAIN_ITEM_TAG_OUTPUT 89 #define HID_MAIN_ITEM_TAG_OUTPUT 9
81 #define HID_MAIN_ITEM_TAG_FEATURE 90 #define HID_MAIN_ITEM_TAG_FEATURE 11
82 #define HID_MAIN_ITEM_TAG_BEGIN_COLLECTION 91 #define HID_MAIN_ITEM_TAG_BEGIN_COLLECTION 10
83 #define HID_MAIN_ITEM_TAG_END_COLLECTION 92 #define HID_MAIN_ITEM_TAG_END_COLLECTION 12
84 93
85 /* 94 /*
86 * HID report descriptor main item contents 95 * HID report descriptor main item contents
87 */ 96 */
88 97
89 #define HID_MAIN_ITEM_CONSTANT 0x001 98 #define HID_MAIN_ITEM_CONSTANT 0x001
90 #define HID_MAIN_ITEM_VARIABLE 0x002 99 #define HID_MAIN_ITEM_VARIABLE 0x002
91 #define HID_MAIN_ITEM_RELATIVE 0x004 100 #define HID_MAIN_ITEM_RELATIVE 0x004
92 #define HID_MAIN_ITEM_WRAP 0x008 101 #define HID_MAIN_ITEM_WRAP 0x008
93 #define HID_MAIN_ITEM_NONLINEAR 0x010 102 #define HID_MAIN_ITEM_NONLINEAR 0x010
94 #define HID_MAIN_ITEM_NO_PREFERRED 0x020 103 #define HID_MAIN_ITEM_NO_PREFERRED 0x020
95 #define HID_MAIN_ITEM_NULL_STATE 0x040 104 #define HID_MAIN_ITEM_NULL_STATE 0x040
96 #define HID_MAIN_ITEM_VOLATILE 0x080 105 #define HID_MAIN_ITEM_VOLATILE 0x080
97 #define HID_MAIN_ITEM_BUFFERED_BYTE 0x100 106 #define HID_MAIN_ITEM_BUFFERED_BYTE 0x100
98 107
99 /* 108 /*
100 * HID report descriptor collection item types 109 * HID report descriptor collection item types
101 */ 110 */
102 111
103 #define HID_COLLECTION_PHYSICAL 0 112 #define HID_COLLECTION_PHYSICAL 0
104 #define HID_COLLECTION_APPLICATION 1 113 #define HID_COLLECTION_APPLICATION 1
105 #define HID_COLLECTION_LOGICAL 2 114 #define HID_COLLECTION_LOGICAL 2
106 #define HID_COLLECTION_NAMED_ARRAY 4 <<
107 115
108 /* 116 /*
109 * HID report descriptor global item tags 117 * HID report descriptor global item tags
110 */ 118 */
111 119
112 #define HID_GLOBAL_ITEM_TAG_USAGE_PAGE 120 #define HID_GLOBAL_ITEM_TAG_USAGE_PAGE 0
113 #define HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM 121 #define HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM 1
114 #define HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM 122 #define HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM 2
115 #define HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM 123 #define HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM 3
116 #define HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM 124 #define HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM 4
117 #define HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT 125 #define HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT 5
118 #define HID_GLOBAL_ITEM_TAG_UNIT 126 #define HID_GLOBAL_ITEM_TAG_UNIT 6
119 #define HID_GLOBAL_ITEM_TAG_REPORT_SIZE 127 #define HID_GLOBAL_ITEM_TAG_REPORT_SIZE 7
120 #define HID_GLOBAL_ITEM_TAG_REPORT_ID 128 #define HID_GLOBAL_ITEM_TAG_REPORT_ID 8
121 #define HID_GLOBAL_ITEM_TAG_REPORT_COUNT 129 #define HID_GLOBAL_ITEM_TAG_REPORT_COUNT 9
122 #define HID_GLOBAL_ITEM_TAG_PUSH 130 #define HID_GLOBAL_ITEM_TAG_PUSH 10
123 #define HID_GLOBAL_ITEM_TAG_POP 131 #define HID_GLOBAL_ITEM_TAG_POP 11
124 132
125 /* 133 /*
126 * HID report descriptor local item tags 134 * HID report descriptor local item tags
127 */ 135 */
128 136
129 #define HID_LOCAL_ITEM_TAG_USAGE 137 #define HID_LOCAL_ITEM_TAG_USAGE 0
130 #define HID_LOCAL_ITEM_TAG_USAGE_MINIMUM 138 #define HID_LOCAL_ITEM_TAG_USAGE_MINIMUM 1
131 #define HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM 139 #define HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM 2
132 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_INDEX 140 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_INDEX 3
133 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_MINIMUM 141 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_MINIMUM 4
134 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_MAXIMUM 142 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_MAXIMUM 5
135 #define HID_LOCAL_ITEM_TAG_STRING_INDEX 143 #define HID_LOCAL_ITEM_TAG_STRING_INDEX 7
136 #define HID_LOCAL_ITEM_TAG_STRING_MINIMUM 144 #define HID_LOCAL_ITEM_TAG_STRING_MINIMUM 8
137 #define HID_LOCAL_ITEM_TAG_STRING_MAXIMUM 145 #define HID_LOCAL_ITEM_TAG_STRING_MAXIMUM 9
138 #define HID_LOCAL_ITEM_TAG_DELIMITER 146 #define HID_LOCAL_ITEM_TAG_DELIMITER 10
139 147
140 /* 148 /*
141 * HID usage tables 149 * HID usage tables
142 */ 150 */
143 151
144 #define HID_USAGE_PAGE 0xffff0000 152 #define HID_USAGE_PAGE 0xffff0000
145 153
146 #define HID_UP_UNDEFINED 0x00000000 154 #define HID_UP_UNDEFINED 0x00000000
147 #define HID_UP_GENDESK 0x00010000 155 #define HID_UP_GENDESK 0x00010000
148 #define HID_UP_SIMULATION 0x00020000 156 #define HID_UP_SIMULATION 0x00020000
149 #define HID_UP_GENDEVCTRLS 0x00060000 157 #define HID_UP_GENDEVCTRLS 0x00060000
150 #define HID_UP_KEYBOARD 0x00070000 158 #define HID_UP_KEYBOARD 0x00070000
151 #define HID_UP_LED 0x00080000 159 #define HID_UP_LED 0x00080000
152 #define HID_UP_BUTTON 0x00090000 160 #define HID_UP_BUTTON 0x00090000
153 #define HID_UP_ORDINAL 0x000a0000 161 #define HID_UP_ORDINAL 0x000a0000
154 #define HID_UP_TELEPHONY 0x000b0000 162 #define HID_UP_TELEPHONY 0x000b0000
155 #define HID_UP_CONSUMER 0x000c0000 163 #define HID_UP_CONSUMER 0x000c0000
156 #define HID_UP_DIGITIZER 0x000d0000 164 #define HID_UP_DIGITIZER 0x000d0000
157 #define HID_UP_PID 0x000f0000 165 #define HID_UP_PID 0x000f0000
158 #define HID_UP_BATTERY 0x00850000 <<
159 #define HID_UP_CAMERA 0x00900000 <<
160 #define HID_UP_HPVENDOR 0xff7f0000 166 #define HID_UP_HPVENDOR 0xff7f0000
161 #define HID_UP_HPVENDOR2 0xff010000 167 #define HID_UP_HPVENDOR2 0xff010000
162 #define HID_UP_MSVENDOR 0xff000000 168 #define HID_UP_MSVENDOR 0xff000000
163 #define HID_UP_CUSTOM 0x00ff0000 169 #define HID_UP_CUSTOM 0x00ff0000
164 #define HID_UP_LOGIVENDOR 0xffbc0000 170 #define HID_UP_LOGIVENDOR 0xffbc0000
165 #define HID_UP_LOGIVENDOR2 0xff090000 171 #define HID_UP_LOGIVENDOR2 0xff090000
166 #define HID_UP_LOGIVENDOR3 0xff430000 172 #define HID_UP_LOGIVENDOR3 0xff430000
167 #define HID_UP_LNVENDOR 0xffa00000 173 #define HID_UP_LNVENDOR 0xffa00000
168 #define HID_UP_SENSOR 0x00200000 174 #define HID_UP_SENSOR 0x00200000
169 #define HID_UP_ASUSVENDOR 0xff310000 <<
170 #define HID_UP_GOOGLEVENDOR 0xffd10000 <<
171 175
172 #define HID_USAGE 0x0000ffff 176 #define HID_USAGE 0x0000ffff
173 177
174 #define HID_GD_POINTER 0x00010001 178 #define HID_GD_POINTER 0x00010001
175 #define HID_GD_MOUSE 0x00010002 179 #define HID_GD_MOUSE 0x00010002
176 #define HID_GD_JOYSTICK 0x00010004 180 #define HID_GD_JOYSTICK 0x00010004
177 #define HID_GD_GAMEPAD 0x00010005 181 #define HID_GD_GAMEPAD 0x00010005
178 #define HID_GD_KEYBOARD 0x00010006 182 #define HID_GD_KEYBOARD 0x00010006
179 #define HID_GD_KEYPAD 0x00010007 183 #define HID_GD_KEYPAD 0x00010007
180 #define HID_GD_MULTIAXIS 0x00010008 184 #define HID_GD_MULTIAXIS 0x00010008
181 /* <<
182 * Microsoft Win8 Wireless Radio Controls exte <<
183 * http://www.usb.org/developers/hidpage/HUTRR <<
184 */ <<
185 #define HID_GD_WIRELESS_RADIO_CTLS 0x0001 <<
186 /* <<
187 * System Multi-Axis, see: <<
188 * http://www.usb.org/developers/hidpage/HUTRR <<
189 */ <<
190 #define HID_GD_SYSTEM_MULTIAXIS 0x0001000e <<
191 <<
192 #define HID_GD_X 0x00010030 185 #define HID_GD_X 0x00010030
193 #define HID_GD_Y 0x00010031 186 #define HID_GD_Y 0x00010031
194 #define HID_GD_Z 0x00010032 187 #define HID_GD_Z 0x00010032
195 #define HID_GD_RX 0x00010033 188 #define HID_GD_RX 0x00010033
196 #define HID_GD_RY 0x00010034 189 #define HID_GD_RY 0x00010034
197 #define HID_GD_RZ 0x00010035 190 #define HID_GD_RZ 0x00010035
198 #define HID_GD_SLIDER 0x00010036 191 #define HID_GD_SLIDER 0x00010036
199 #define HID_GD_DIAL 0x00010037 192 #define HID_GD_DIAL 0x00010037
200 #define HID_GD_WHEEL 0x00010038 193 #define HID_GD_WHEEL 0x00010038
201 #define HID_GD_HATSWITCH 0x00010039 194 #define HID_GD_HATSWITCH 0x00010039
202 #define HID_GD_BUFFER 0x0001003a 195 #define HID_GD_BUFFER 0x0001003a
203 #define HID_GD_BYTECOUNT 0x0001003b 196 #define HID_GD_BYTECOUNT 0x0001003b
204 #define HID_GD_MOTION 0x0001003c 197 #define HID_GD_MOTION 0x0001003c
205 #define HID_GD_START 0x0001003d 198 #define HID_GD_START 0x0001003d
206 #define HID_GD_SELECT 0x0001003e 199 #define HID_GD_SELECT 0x0001003e
207 #define HID_GD_VX 0x00010040 200 #define HID_GD_VX 0x00010040
208 #define HID_GD_VY 0x00010041 201 #define HID_GD_VY 0x00010041
209 #define HID_GD_VZ 0x00010042 202 #define HID_GD_VZ 0x00010042
210 #define HID_GD_VBRX 0x00010043 203 #define HID_GD_VBRX 0x00010043
211 #define HID_GD_VBRY 0x00010044 204 #define HID_GD_VBRY 0x00010044
212 #define HID_GD_VBRZ 0x00010045 205 #define HID_GD_VBRZ 0x00010045
213 #define HID_GD_VNO 0x00010046 206 #define HID_GD_VNO 0x00010046
214 #define HID_GD_FEATURE 0x00010047 207 #define HID_GD_FEATURE 0x00010047
215 #define HID_GD_RESOLUTION_MULTIPLIER 0x0001 <<
216 #define HID_GD_SYSTEM_CONTROL 0x00010080 208 #define HID_GD_SYSTEM_CONTROL 0x00010080
217 #define HID_GD_UP 0x00010090 209 #define HID_GD_UP 0x00010090
218 #define HID_GD_DOWN 0x00010091 210 #define HID_GD_DOWN 0x00010091
219 #define HID_GD_RIGHT 0x00010092 211 #define HID_GD_RIGHT 0x00010092
220 #define HID_GD_LEFT 0x00010093 212 #define HID_GD_LEFT 0x00010093
221 /* Microsoft Win8 Wireless Radio Controls CA u <<
222 #define HID_GD_RFKILL_BTN 0x000100c6 <<
223 #define HID_GD_RFKILL_LED 0x000100c7 <<
224 #define HID_GD_RFKILL_SWITCH 0x000100c8 <<
225 213
226 #define HID_DC_BATTERYSTRENGTH 0x00060020 214 #define HID_DC_BATTERYSTRENGTH 0x00060020
227 215
228 #define HID_CP_CONSUMER_CONTROL 0x000c0001 216 #define HID_CP_CONSUMER_CONTROL 0x000c0001
229 #define HID_CP_AC_PAN 0x000c0238 <<
230 217
231 #define HID_DG_DIGITIZER 0x000d0001 218 #define HID_DG_DIGITIZER 0x000d0001
232 #define HID_DG_PEN 0x000d0002 219 #define HID_DG_PEN 0x000d0002
233 #define HID_DG_LIGHTPEN 0x000d0003 220 #define HID_DG_LIGHTPEN 0x000d0003
234 #define HID_DG_TOUCHSCREEN 0x000d0004 221 #define HID_DG_TOUCHSCREEN 0x000d0004
235 #define HID_DG_TOUCHPAD 0x000d0005 222 #define HID_DG_TOUCHPAD 0x000d0005
236 #define HID_DG_WHITEBOARD 0x000d0006 <<
237 #define HID_DG_STYLUS 0x000d0020 223 #define HID_DG_STYLUS 0x000d0020
238 #define HID_DG_PUCK 0x000d0021 224 #define HID_DG_PUCK 0x000d0021
239 #define HID_DG_FINGER 0x000d0022 225 #define HID_DG_FINGER 0x000d0022
240 #define HID_DG_TIPPRESSURE 0x000d0030 226 #define HID_DG_TIPPRESSURE 0x000d0030
241 #define HID_DG_BARRELPRESSURE 0x000d0031 227 #define HID_DG_BARRELPRESSURE 0x000d0031
242 #define HID_DG_INRANGE 0x000d0032 228 #define HID_DG_INRANGE 0x000d0032
243 #define HID_DG_TOUCH 0x000d0033 229 #define HID_DG_TOUCH 0x000d0033
244 #define HID_DG_UNTOUCH 0x000d0034 230 #define HID_DG_UNTOUCH 0x000d0034
245 #define HID_DG_TAP 0x000d0035 231 #define HID_DG_TAP 0x000d0035
246 #define HID_DG_TRANSDUCER_INDEX 0x000d0038 <<
247 #define HID_DG_TABLETFUNCTIONKEY 0x000d 232 #define HID_DG_TABLETFUNCTIONKEY 0x000d0039
248 #define HID_DG_PROGRAMCHANGEKEY 0x000d003a 233 #define HID_DG_PROGRAMCHANGEKEY 0x000d003a
249 #define HID_DG_BATTERYSTRENGTH 0x000d003b 234 #define HID_DG_BATTERYSTRENGTH 0x000d003b
250 #define HID_DG_INVERT 0x000d003c 235 #define HID_DG_INVERT 0x000d003c
251 #define HID_DG_TILT_X 0x000d003d 236 #define HID_DG_TILT_X 0x000d003d
252 #define HID_DG_TILT_Y 0x000d003e 237 #define HID_DG_TILT_Y 0x000d003e
253 #define HID_DG_TWIST 0x000d0041 238 #define HID_DG_TWIST 0x000d0041
254 #define HID_DG_TIPSWITCH 0x000d0042 239 #define HID_DG_TIPSWITCH 0x000d0042
255 #define HID_DG_TIPSWITCH2 0x000d0043 240 #define HID_DG_TIPSWITCH2 0x000d0043
256 #define HID_DG_BARRELSWITCH 0x000d0044 241 #define HID_DG_BARRELSWITCH 0x000d0044
257 #define HID_DG_ERASER 0x000d0045 242 #define HID_DG_ERASER 0x000d0045
258 #define HID_DG_TABLETPICK 0x000d0046 243 #define HID_DG_TABLETPICK 0x000d0046
259 #define HID_DG_PEN_COLOR <<
260 #define HID_DG_PEN_LINE_WIDTH <<
261 #define HID_DG_PEN_LINE_STYLE <<
262 #define HID_DG_PEN_LINE_STYLE_INK <<
263 #define HID_DG_PEN_LINE_STYLE_PENCIL <<
264 #define HID_DG_PEN_LINE_STYLE_HIGHLIGHTER <<
265 #define HID_DG_PEN_LINE_STYLE_CHISEL_MARKER <<
266 #define HID_DG_PEN_LINE_STYLE_BRUSH <<
267 #define HID_DG_PEN_LINE_STYLE_NO_PREFERENCE <<
268 244
269 #define HID_CP_CONSUMERCONTROL 0x000c0001 245 #define HID_CP_CONSUMERCONTROL 0x000c0001
270 #define HID_CP_NUMERICKEYPAD 0x000c0002 246 #define HID_CP_NUMERICKEYPAD 0x000c0002
271 #define HID_CP_PROGRAMMABLEBUTTONS 0x000c 247 #define HID_CP_PROGRAMMABLEBUTTONS 0x000c0003
272 #define HID_CP_MICROPHONE 0x000c0004 248 #define HID_CP_MICROPHONE 0x000c0004
273 #define HID_CP_HEADPHONE 0x000c0005 249 #define HID_CP_HEADPHONE 0x000c0005
274 #define HID_CP_GRAPHICEQUALIZER 0x000c0006 250 #define HID_CP_GRAPHICEQUALIZER 0x000c0006
275 #define HID_CP_FUNCTIONBUTTONS 0x000c0036 251 #define HID_CP_FUNCTIONBUTTONS 0x000c0036
276 #define HID_CP_SELECTION 0x000c0080 252 #define HID_CP_SELECTION 0x000c0080
277 #define HID_CP_MEDIASELECTION 0x000c0087 253 #define HID_CP_MEDIASELECTION 0x000c0087
278 #define HID_CP_SELECTDISC 0x000c00ba 254 #define HID_CP_SELECTDISC 0x000c00ba
279 #define HID_CP_VOLUMEUP 0x000c00e9 <<
280 #define HID_CP_VOLUMEDOWN 0x000c00ea <<
281 #define HID_CP_PLAYBACKSPEED 0x000c00f1 255 #define HID_CP_PLAYBACKSPEED 0x000c00f1
282 #define HID_CP_PROXIMITY 0x000c0109 256 #define HID_CP_PROXIMITY 0x000c0109
283 #define HID_CP_SPEAKERSYSTEM 0x000c0160 257 #define HID_CP_SPEAKERSYSTEM 0x000c0160
284 #define HID_CP_CHANNELLEFT 0x000c0161 258 #define HID_CP_CHANNELLEFT 0x000c0161
285 #define HID_CP_CHANNELRIGHT 0x000c0162 259 #define HID_CP_CHANNELRIGHT 0x000c0162
286 #define HID_CP_CHANNELCENTER 0x000c0163 260 #define HID_CP_CHANNELCENTER 0x000c0163
287 #define HID_CP_CHANNELFRONT 0x000c0164 261 #define HID_CP_CHANNELFRONT 0x000c0164
288 #define HID_CP_CHANNELCENTERFRONT 0x000c 262 #define HID_CP_CHANNELCENTERFRONT 0x000c0165
289 #define HID_CP_CHANNELSIDE 0x000c0166 263 #define HID_CP_CHANNELSIDE 0x000c0166
290 #define HID_CP_CHANNELSURROUND 0x000c0167 264 #define HID_CP_CHANNELSURROUND 0x000c0167
291 #define HID_CP_CHANNELLOWFREQUENCYENHANCEMENT 265 #define HID_CP_CHANNELLOWFREQUENCYENHANCEMENT 0x000c0168
292 #define HID_CP_CHANNELTOP 0x000c0169 266 #define HID_CP_CHANNELTOP 0x000c0169
293 #define HID_CP_CHANNELUNKNOWN 0x000c016a 267 #define HID_CP_CHANNELUNKNOWN 0x000c016a
294 #define HID_CP_APPLICATIONLAUNCHBUTTONS 0x000c 268 #define HID_CP_APPLICATIONLAUNCHBUTTONS 0x000c0180
295 #define HID_CP_GENERICGUIAPPLICATIONCONTROLS 269 #define HID_CP_GENERICGUIAPPLICATIONCONTROLS 0x000c0200
296 270
297 #define HID_DG_DEVICECONFIG 0x000d000e <<
298 #define HID_DG_DEVICESETTINGS 0x000d0023 <<
299 #define HID_DG_AZIMUTH 0x000d003f <<
300 #define HID_DG_CONFIDENCE 0x000d0047 271 #define HID_DG_CONFIDENCE 0x000d0047
301 #define HID_DG_WIDTH 0x000d0048 272 #define HID_DG_WIDTH 0x000d0048
302 #define HID_DG_HEIGHT 0x000d0049 273 #define HID_DG_HEIGHT 0x000d0049
303 #define HID_DG_CONTACTID 0x000d0051 274 #define HID_DG_CONTACTID 0x000d0051
304 #define HID_DG_INPUTMODE 0x000d0052 275 #define HID_DG_INPUTMODE 0x000d0052
305 #define HID_DG_DEVICEINDEX 0x000d0053 276 #define HID_DG_DEVICEINDEX 0x000d0053
306 #define HID_DG_CONTACTCOUNT 0x000d0054 277 #define HID_DG_CONTACTCOUNT 0x000d0054
307 #define HID_DG_CONTACTMAX 0x000d0055 278 #define HID_DG_CONTACTMAX 0x000d0055
308 #define HID_DG_SCANTIME 0x000d0056 <<
309 #define HID_DG_SURFACESWITCH 0x000d0057 <<
310 #define HID_DG_BUTTONSWITCH 0x000d0058 <<
311 #define HID_DG_BUTTONTYPE 0x000d0059 279 #define HID_DG_BUTTONTYPE 0x000d0059
312 #define HID_DG_BARRELSWITCH2 0x000d005a 280 #define HID_DG_BARRELSWITCH2 0x000d005a
313 #define HID_DG_TOOLSERIALNUMBER 0x000d005b 281 #define HID_DG_TOOLSERIALNUMBER 0x000d005b
314 #define HID_DG_LATENCYMODE 0x000d0060 <<
315 282
316 #define HID_BAT_ABSOLUTESTATEOFCHARGE 0x0085 !! 283 /*
317 #define HID_BAT_CHARGING 0x0085 !! 284 * HID report types --- Ouch! HID spec says 1 2 3!
>> 285 */
>> 286
>> 287 #define HID_INPUT_REPORT 0
>> 288 #define HID_OUTPUT_REPORT 1
>> 289 #define HID_FEATURE_REPORT 2
318 290
319 #define HID_VD_ASUS_CUSTOM_MEDIA_KEYS 0xff31 !! 291 #define HID_REPORT_TYPES 3
320 292
321 /* 293 /*
322 * HID connect requests 294 * HID connect requests
323 */ 295 */
324 296
325 #define HID_CONNECT_HIDINPUT BIT(0) !! 297 #define HID_CONNECT_HIDINPUT 0x01
326 #define HID_CONNECT_HIDINPUT_FORCE BIT(1) !! 298 #define HID_CONNECT_HIDINPUT_FORCE 0x02
327 #define HID_CONNECT_HIDRAW BIT(2) !! 299 #define HID_CONNECT_HIDRAW 0x04
328 #define HID_CONNECT_HIDDEV BIT(3) !! 300 #define HID_CONNECT_HIDDEV 0x08
329 #define HID_CONNECT_HIDDEV_FORCE BIT(4) !! 301 #define HID_CONNECT_HIDDEV_FORCE 0x10
330 #define HID_CONNECT_FF BIT(5) !! 302 #define HID_CONNECT_FF 0x20
331 #define HID_CONNECT_DRIVER BIT(6) !! 303 #define HID_CONNECT_DRIVER 0x40
332 #define HID_CONNECT_DEFAULT (HID_CONNECT_H 304 #define HID_CONNECT_DEFAULT (HID_CONNECT_HIDINPUT|HID_CONNECT_HIDRAW| \
333 HID_CONNECT_HIDDEV|HID_CONNECT 305 HID_CONNECT_HIDDEV|HID_CONNECT_FF)
334 306
335 /* 307 /*
336 * HID device quirks. 308 * HID device quirks.
337 */ 309 */
338 310
339 /* !! 311 /*
340 * Increase this if you need to configure more 312 * Increase this if you need to configure more HID quirks at module load time
341 */ 313 */
342 #define MAX_USBHID_BOOT_QUIRKS 4 314 #define MAX_USBHID_BOOT_QUIRKS 4
343 315
344 /** !! 316 #define HID_QUIRK_INVERT 0x00000001
345 * DOC: HID quirks !! 317 #define HID_QUIRK_NOTOUCH 0x00000002
346 * | @HID_QUIRK_NOTOUCH: !! 318 #define HID_QUIRK_IGNORE 0x00000004
347 * | @HID_QUIRK_IGNORE: ignore this device !! 319 #define HID_QUIRK_NOGET 0x00000008
348 * | @HID_QUIRK_NOGET: !! 320 #define HID_QUIRK_HIDDEV_FORCE 0x00000010
349 * | @HID_QUIRK_HIDDEV_FORCE: !! 321 #define HID_QUIRK_BADPAD 0x00000020
350 * | @HID_QUIRK_BADPAD: !! 322 #define HID_QUIRK_MULTI_INPUT 0x00000040
351 * | @HID_QUIRK_MULTI_INPUT: !! 323 #define HID_QUIRK_HIDINPUT_FORCE 0x00000080
352 * | @HID_QUIRK_HIDINPUT_FORCE: !! 324 #define HID_QUIRK_NO_EMPTY_INPUT 0x00000100
353 * | @HID_QUIRK_ALWAYS_POLL: !! 325 #define HID_QUIRK_NO_INIT_INPUT_REPORTS 0x00000200
354 * | @HID_QUIRK_INPUT_PER_APP: !! 326 #define HID_QUIRK_ALWAYS_POLL 0x00000400
355 * | @HID_QUIRK_X_INVERT: !! 327 #define HID_QUIRK_SKIP_OUTPUT_REPORTS 0x00010000
356 * | @HID_QUIRK_Y_INVERT: !! 328 #define HID_QUIRK_SKIP_OUTPUT_REPORT_ID 0x00020000
357 * | @HID_QUIRK_SKIP_OUTPUT_REPORTS: !! 329 #define HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP 0x00040000
358 * | @HID_QUIRK_SKIP_OUTPUT_REPORT_ID: !! 330 #define HID_QUIRK_FULLSPEED_INTERVAL 0x10000000
359 * | @HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP: !! 331 #define HID_QUIRK_NO_INIT_REPORTS 0x20000000
360 * | @HID_QUIRK_HAVE_SPECIAL_DRIVER: !! 332 #define HID_QUIRK_NO_IGNORE 0x40000000
361 * | @HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE: !! 333 #define HID_QUIRK_NO_INPUT_SYNC 0x80000000
362 * | @HID_QUIRK_FULLSPEED_INTERVAL: <<
363 * | @HID_QUIRK_NO_INIT_REPORTS: <<
364 * | @HID_QUIRK_NO_IGNORE: <<
365 * | @HID_QUIRK_NO_INPUT_SYNC: <<
366 */ <<
367 /* BIT(0) reserved for backward compatibility, <<
368 #define HID_QUIRK_NOTOUCH <<
369 #define HID_QUIRK_IGNORE <<
370 #define HID_QUIRK_NOGET <<
371 #define HID_QUIRK_HIDDEV_FORCE <<
372 #define HID_QUIRK_BADPAD <<
373 #define HID_QUIRK_MULTI_INPUT <<
374 #define HID_QUIRK_HIDINPUT_FORCE <<
375 /* BIT(8) reserved for backward compatibility, <<
376 /* BIT(9) reserved for backward compatibility, <<
377 #define HID_QUIRK_ALWAYS_POLL <<
378 #define HID_QUIRK_INPUT_PER_APP <<
379 #define HID_QUIRK_X_INVERT <<
380 #define HID_QUIRK_Y_INVERT <<
381 #define HID_QUIRK_SKIP_OUTPUT_REPORTS <<
382 #define HID_QUIRK_SKIP_OUTPUT_REPORT_ID <<
383 #define HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP <<
384 #define HID_QUIRK_HAVE_SPECIAL_DRIVER <<
385 #define HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE <<
386 #define HID_QUIRK_NOINVERT <<
387 #define HID_QUIRK_FULLSPEED_INTERVAL <<
388 #define HID_QUIRK_NO_INIT_REPORTS <<
389 #define HID_QUIRK_NO_IGNORE <<
390 #define HID_QUIRK_NO_INPUT_SYNC <<
391 334
392 /* 335 /*
393 * HID device groups 336 * HID device groups
394 * 337 *
395 * Note: HID_GROUP_ANY is declared in linux/mo 338 * Note: HID_GROUP_ANY is declared in linux/mod_devicetable.h
396 * and has a value of 0x0000 339 * and has a value of 0x0000
397 */ 340 */
398 #define HID_GROUP_GENERIC 341 #define HID_GROUP_GENERIC 0x0001
399 #define HID_GROUP_MULTITOUCH 342 #define HID_GROUP_MULTITOUCH 0x0002
400 #define HID_GROUP_SENSOR_HUB 343 #define HID_GROUP_SENSOR_HUB 0x0003
401 #define HID_GROUP_MULTITOUCH_WIN_8 344 #define HID_GROUP_MULTITOUCH_WIN_8 0x0004
402 345
403 /* 346 /*
404 * Vendor specific HID device groups 347 * Vendor specific HID device groups
405 */ 348 */
406 #define HID_GROUP_RMI 349 #define HID_GROUP_RMI 0x0100
407 #define HID_GROUP_WACOM 350 #define HID_GROUP_WACOM 0x0101
408 #define HID_GROUP_LOGITECH_DJ_DEVICE 351 #define HID_GROUP_LOGITECH_DJ_DEVICE 0x0102
409 #define HID_GROUP_STEAM <<
410 #define HID_GROUP_LOGITECH_27MHZ_DEVICE <<
411 #define HID_GROUP_VIVALDI <<
412 <<
413 /* <<
414 * HID protocol status <<
415 */ <<
416 #define HID_REPORT_PROTOCOL 1 <<
417 #define HID_BOOT_PROTOCOL 0 <<
418 352
419 /* 353 /*
420 * This is the global environment of the parse 354 * This is the global environment of the parser. This information is
421 * persistent for main-items. The global envir 355 * persistent for main-items. The global environment can be saved and
422 * restored with PUSH/POP statements. 356 * restored with PUSH/POP statements.
423 */ 357 */
424 358
425 struct hid_global { 359 struct hid_global {
426 unsigned usage_page; 360 unsigned usage_page;
427 __s32 logical_minimum; 361 __s32 logical_minimum;
428 __s32 logical_maximum; 362 __s32 logical_maximum;
429 __s32 physical_minimum; 363 __s32 physical_minimum;
430 __s32 physical_maximum; 364 __s32 physical_maximum;
431 __s32 unit_exponent; 365 __s32 unit_exponent;
432 unsigned unit; 366 unsigned unit;
433 unsigned report_id; 367 unsigned report_id;
434 unsigned report_size; 368 unsigned report_size;
435 unsigned report_count; 369 unsigned report_count;
436 }; 370 };
437 371
438 /* 372 /*
439 * This is the local environment. It is persis 373 * This is the local environment. It is persistent up the next main-item.
440 */ 374 */
441 375
442 #define HID_MAX_USAGES 12288 376 #define HID_MAX_USAGES 12288
443 #define HID_DEFAULT_NUM_COLLECTIONS 16 377 #define HID_DEFAULT_NUM_COLLECTIONS 16
444 378
445 struct hid_local { 379 struct hid_local {
446 unsigned usage[HID_MAX_USAGES]; /* usa 380 unsigned usage[HID_MAX_USAGES]; /* usage array */
447 u8 usage_size[HID_MAX_USAGES]; /* usag <<
448 unsigned collection_index[HID_MAX_USAG 381 unsigned collection_index[HID_MAX_USAGES]; /* collection index array */
449 unsigned usage_index; 382 unsigned usage_index;
450 unsigned usage_minimum; 383 unsigned usage_minimum;
451 unsigned delimiter_depth; 384 unsigned delimiter_depth;
452 unsigned delimiter_branch; 385 unsigned delimiter_branch;
453 }; 386 };
454 387
455 /* 388 /*
456 * This is the collection stack. We climb up t 389 * This is the collection stack. We climb up the stack to determine
457 * application and function of each field. 390 * application and function of each field.
458 */ 391 */
459 392
460 struct hid_collection { 393 struct hid_collection {
461 int parent_idx; /* device->collection <<
462 unsigned type; 394 unsigned type;
463 unsigned usage; 395 unsigned usage;
464 unsigned level; 396 unsigned level;
465 }; 397 };
466 398
467 struct hid_usage { 399 struct hid_usage {
468 unsigned hid; /* hid 400 unsigned hid; /* hid usage code */
469 unsigned collection_index; /* ind 401 unsigned collection_index; /* index into collection array */
470 unsigned usage_index; /* ind 402 unsigned usage_index; /* index into usage array */
471 __s8 resolution_multiplier;/* Eff <<
472 (HU <<
473 /* hidinput data */ 403 /* hidinput data */
474 __s8 wheel_factor; /* 120 <<
475 __u16 code; /* inp 404 __u16 code; /* input driver code */
476 __u8 type; /* inp 405 __u8 type; /* input driver type */
477 __s16 hat_min; /* hat !! 406 __s8 hat_min; /* hat switch fun */
478 __s16 hat_max; /* dit !! 407 __s8 hat_max; /* ditto */
479 __s16 hat_dir; /* dit !! 408 __s8 hat_dir; /* ditto */
480 __s16 wheel_accumulated; /* hi- <<
481 }; 409 };
482 410
483 struct hid_input; 411 struct hid_input;
484 412
485 struct hid_field { 413 struct hid_field {
486 unsigned physical; /* phy 414 unsigned physical; /* physical usage for this field */
487 unsigned logical; /* log 415 unsigned logical; /* logical usage for this field */
488 unsigned application; /* app 416 unsigned application; /* application usage for this field */
489 struct hid_usage *usage; /* usa 417 struct hid_usage *usage; /* usage table for this function */
490 unsigned maxusage; /* max 418 unsigned maxusage; /* maximum usage index */
491 unsigned flags; /* mai 419 unsigned flags; /* main-item flags (i.e. volatile,array,constant) */
492 unsigned report_offset; /* bit 420 unsigned report_offset; /* bit offset in the report */
493 unsigned report_size; /* siz 421 unsigned report_size; /* size of this field in the report */
494 unsigned report_count; /* num 422 unsigned report_count; /* number of this field in the report */
495 unsigned report_type; /* (in 423 unsigned report_type; /* (input,output,feature) */
496 __s32 *value; /* las 424 __s32 *value; /* last known value(s) */
497 __s32 *new_value; /* new <<
498 __s32 *usages_priorities; /* pri <<
499 * bit <<
500 */ <<
501 __s32 logical_minimum; 425 __s32 logical_minimum;
502 __s32 logical_maximum; 426 __s32 logical_maximum;
503 __s32 physical_minimum; 427 __s32 physical_minimum;
504 __s32 physical_maximum; 428 __s32 physical_maximum;
505 __s32 unit_exponent; 429 __s32 unit_exponent;
506 unsigned unit; 430 unsigned unit;
507 bool ignored; /* thi <<
508 struct hid_report *report; /* ass 431 struct hid_report *report; /* associated report */
509 unsigned index; /* ind 432 unsigned index; /* index into report->field[] */
510 /* hidinput data */ 433 /* hidinput data */
511 struct hid_input *hidinput; /* ass 434 struct hid_input *hidinput; /* associated input structure */
512 __u16 dpad; /* dpa 435 __u16 dpad; /* dpad input code */
513 unsigned int slot_idx; /* slo <<
514 }; 436 };
515 437
516 #define HID_MAX_FIELDS 256 438 #define HID_MAX_FIELDS 256
517 439
518 struct hid_field_entry { <<
519 struct list_head list; <<
520 struct hid_field *field; <<
521 unsigned int index; <<
522 __s32 priority; <<
523 }; <<
524 <<
525 struct hid_report { 440 struct hid_report {
526 struct list_head list; 441 struct list_head list;
527 struct list_head hidinput_list; !! 442 unsigned id; /* id of this report */
528 struct list_head field_entry_list; !! 443 unsigned type; /* report type */
529 unsigned int id; <<
530 enum hid_report_type type; <<
531 unsigned int application; <<
532 struct hid_field *field[HID_MAX_FIELDS 444 struct hid_field *field[HID_MAX_FIELDS]; /* fields of the report */
533 struct hid_field_entry *field_entries; <<
534 unsigned maxfield; 445 unsigned maxfield; /* maximum valid field index */
535 unsigned size; 446 unsigned size; /* size of the report (bits) */
536 struct hid_device *device; 447 struct hid_device *device; /* associated device */
537 <<
538 /* tool related state */ <<
539 bool tool_active; <<
540 unsigned int tool; <<
541 }; 448 };
542 449
543 #define HID_MAX_IDS 256 450 #define HID_MAX_IDS 256
544 451
545 struct hid_report_enum { 452 struct hid_report_enum {
546 unsigned numbered; 453 unsigned numbered;
547 struct list_head report_list; 454 struct list_head report_list;
548 struct hid_report *report_id_hash[HID_ 455 struct hid_report *report_id_hash[HID_MAX_IDS];
549 }; 456 };
550 457
551 #define HID_MIN_BUFFER_SIZE 64 458 #define HID_MIN_BUFFER_SIZE 64 /* make sure there is at least a packet size of space */
552 #define HID_MAX_BUFFER_SIZE 16384 !! 459 #define HID_MAX_BUFFER_SIZE 4096 /* 4kb */
553 #define HID_CONTROL_FIFO_SIZE 256 460 #define HID_CONTROL_FIFO_SIZE 256 /* to init devices with >100 reports */
554 #define HID_OUTPUT_FIFO_SIZE 64 461 #define HID_OUTPUT_FIFO_SIZE 64
555 462
556 struct hid_control_fifo { 463 struct hid_control_fifo {
557 unsigned char dir; 464 unsigned char dir;
558 struct hid_report *report; 465 struct hid_report *report;
559 char *raw_report; 466 char *raw_report;
560 }; 467 };
561 468
562 struct hid_output_fifo { 469 struct hid_output_fifo {
563 struct hid_report *report; 470 struct hid_report *report;
564 char *raw_report; 471 char *raw_report;
565 }; 472 };
566 473
567 #define HID_CLAIMED_INPUT BIT(0) !! 474 #define HID_CLAIMED_INPUT 1
568 #define HID_CLAIMED_HIDDEV BIT(1) !! 475 #define HID_CLAIMED_HIDDEV 2
569 #define HID_CLAIMED_HIDRAW BIT(2) !! 476 #define HID_CLAIMED_HIDRAW 4
570 #define HID_CLAIMED_DRIVER BIT(3) !! 477 #define HID_CLAIMED_DRIVER 8
571 !! 478
572 #define HID_STAT_ADDED BIT(0) !! 479 #define HID_STAT_ADDED 1
573 #define HID_STAT_PARSED BIT(1) !! 480 #define HID_STAT_PARSED 2
574 #define HID_STAT_DUP_DETECTED BIT(2) <<
575 #define HID_STAT_REPROBED BIT(3) <<
576 481
577 struct hid_input { 482 struct hid_input {
578 struct list_head list; 483 struct list_head list;
579 struct hid_report *report; 484 struct hid_report *report;
580 struct input_dev *input; 485 struct input_dev *input;
581 const char *name; <<
582 struct list_head reports; /* the <<
583 unsigned int application; /* app <<
584 bool registered; 486 bool registered;
585 }; 487 };
586 488
587 enum hid_type { 489 enum hid_type {
588 HID_TYPE_OTHER = 0, 490 HID_TYPE_OTHER = 0,
589 HID_TYPE_USBMOUSE, 491 HID_TYPE_USBMOUSE,
590 HID_TYPE_USBNONE 492 HID_TYPE_USBNONE
591 }; 493 };
592 494
593 enum hid_battery_status { <<
594 HID_BATTERY_UNKNOWN = 0, <<
595 HID_BATTERY_QUERIED, /* Ker <<
596 HID_BATTERY_REPORTED, /* Dev <<
597 }; <<
598 <<
599 struct hid_driver; 495 struct hid_driver;
600 struct hid_ll_driver; 496 struct hid_ll_driver;
601 497
602 struct hid_device { 498 struct hid_device { /* device report descriptor */
603 const __u8 *dev_rdesc; !! 499 __u8 *dev_rdesc;
604 unsigned dev_rsize; 500 unsigned dev_rsize;
605 const __u8 *rdesc; !! 501 __u8 *rdesc;
606 unsigned rsize; 502 unsigned rsize;
607 struct hid_collection *collection; 503 struct hid_collection *collection; /* List of HID collections */
608 unsigned collection_size; 504 unsigned collection_size; /* Number of allocated hid_collections */
609 unsigned maxcollection; 505 unsigned maxcollection; /* Number of parsed collections */
610 unsigned maxapplication; 506 unsigned maxapplication; /* Number of applications */
611 __u16 bus; 507 __u16 bus; /* BUS ID */
612 __u16 group; 508 __u16 group; /* Report group */
613 __u32 vendor; 509 __u32 vendor; /* Vendor ID */
614 __u32 product; 510 __u32 product; /* Product ID */
615 __u32 version; 511 __u32 version; /* HID version */
616 enum hid_type type; 512 enum hid_type type; /* device type (mouse, kbd, ...) */
617 unsigned country; 513 unsigned country; /* HID country */
618 struct hid_report_enum report_enum[HID 514 struct hid_report_enum report_enum[HID_REPORT_TYPES];
619 struct work_struct led_work; 515 struct work_struct led_work; /* delayed LED worker */
620 516
>> 517 struct semaphore driver_lock; /* protects the current driver, except during input */
621 struct semaphore driver_input_lock; 518 struct semaphore driver_input_lock; /* protects the current driver */
622 struct device dev; 519 struct device dev; /* device */
623 struct hid_driver *driver; 520 struct hid_driver *driver;
624 void *devres_group_id; !! 521 struct hid_ll_driver *ll_driver;
625 <<
626 const struct hid_ll_driver *ll_driver; <<
627 struct mutex ll_open_lock; <<
628 unsigned int ll_open_count; <<
629 522
630 #ifdef CONFIG_HID_BATTERY_STRENGTH 523 #ifdef CONFIG_HID_BATTERY_STRENGTH
631 /* 524 /*
632 * Power supply information for HID de 525 * Power supply information for HID devices which report
633 * battery strength. power_supply was 526 * battery strength. power_supply was successfully registered if
634 * battery is non-NULL. 527 * battery is non-NULL.
635 */ 528 */
636 struct power_supply *battery; 529 struct power_supply *battery;
637 __s32 battery_capacity; <<
638 __s32 battery_min; 530 __s32 battery_min;
639 __s32 battery_max; 531 __s32 battery_max;
640 __s32 battery_report_type; 532 __s32 battery_report_type;
641 __s32 battery_report_id; 533 __s32 battery_report_id;
642 __s32 battery_charge_status; <<
643 enum hid_battery_status battery_status <<
644 bool battery_avoid_query; <<
645 ktime_t battery_ratelimit_time; <<
646 #endif 534 #endif
647 535
648 unsigned long status; !! 536 unsigned int status; /* see STAT flags above */
649 unsigned claimed; 537 unsigned claimed; /* Claimed by hidinput, hiddev? */
650 unsigned quirks; 538 unsigned quirks; /* Various quirks the device can pull on us */
651 unsigned initial_quirks; !! 539 bool io_started; /* Protected by driver_lock. If IO has started */
652 bool io_started; <<
653 540
654 struct list_head inputs; 541 struct list_head inputs; /* The list of inputs */
655 void *hiddev; 542 void *hiddev; /* The hiddev structure */
656 void *hidraw; 543 void *hidraw;
>> 544 int minor; /* Hiddev minor number */
657 545
>> 546 int open; /* is the device open by anyone? */
658 char name[128]; 547 char name[128]; /* Device name */
659 char phys[64]; 548 char phys[64]; /* Device physical location */
660 char uniq[64]; 549 char uniq[64]; /* Device unique identifier (serial #) */
661 550
662 void *driver_data; 551 void *driver_data;
663 552
664 /* temporary hid_ff handling (until mo 553 /* temporary hid_ff handling (until moved to the drivers) */
665 int (*ff_init)(struct hid_device *); 554 int (*ff_init)(struct hid_device *);
666 555
667 /* hiddev event handler */ 556 /* hiddev event handler */
668 int (*hiddev_connect)(struct hid_devic 557 int (*hiddev_connect)(struct hid_device *, unsigned int);
669 void (*hiddev_disconnect)(struct hid_d 558 void (*hiddev_disconnect)(struct hid_device *);
670 void (*hiddev_hid_event) (struct hid_d 559 void (*hiddev_hid_event) (struct hid_device *, struct hid_field *field,
671 struct hid_u 560 struct hid_usage *, __s32);
672 void (*hiddev_report_event) (struct hi 561 void (*hiddev_report_event) (struct hid_device *, struct hid_report *);
673 562
674 /* debugging support via debugfs */ 563 /* debugging support via debugfs */
675 unsigned short debug; 564 unsigned short debug;
676 struct dentry *debug_dir; 565 struct dentry *debug_dir;
677 struct dentry *debug_rdesc; 566 struct dentry *debug_rdesc;
678 struct dentry *debug_events; 567 struct dentry *debug_events;
679 struct list_head debug_list; 568 struct list_head debug_list;
680 spinlock_t debug_list_lock; 569 spinlock_t debug_list_lock;
681 wait_queue_head_t debug_wait; 570 wait_queue_head_t debug_wait;
682 struct kref ref; <<
683 <<
684 unsigned int id; <<
685 <<
686 #ifdef CONFIG_HID_BPF <<
687 struct hid_bpf bpf; <<
688 #endif /* CONFIG_HID_BPF */ <<
689 }; 571 };
690 572
691 void hiddev_free(struct kref *ref); <<
692 <<
693 #define to_hid_device(pdev) \ 573 #define to_hid_device(pdev) \
694 container_of(pdev, struct hid_device, 574 container_of(pdev, struct hid_device, dev)
695 575
696 static inline void *hid_get_drvdata(struct hid 576 static inline void *hid_get_drvdata(struct hid_device *hdev)
697 { 577 {
698 return dev_get_drvdata(&hdev->dev); 578 return dev_get_drvdata(&hdev->dev);
699 } 579 }
700 580
701 static inline void hid_set_drvdata(struct hid_ 581 static inline void hid_set_drvdata(struct hid_device *hdev, void *data)
702 { 582 {
703 dev_set_drvdata(&hdev->dev, data); 583 dev_set_drvdata(&hdev->dev, data);
704 } 584 }
705 585
706 #define HID_GLOBAL_STACK_SIZE 4 586 #define HID_GLOBAL_STACK_SIZE 4
707 #define HID_COLLECTION_STACK_SIZE 4 587 #define HID_COLLECTION_STACK_SIZE 4
708 588
709 #define HID_SCAN_FLAG_MT_WIN_8 589 #define HID_SCAN_FLAG_MT_WIN_8 BIT(0)
710 #define HID_SCAN_FLAG_VENDOR_SPECIFIC 590 #define HID_SCAN_FLAG_VENDOR_SPECIFIC BIT(1)
711 #define HID_SCAN_FLAG_GD_POINTER 591 #define HID_SCAN_FLAG_GD_POINTER BIT(2)
712 592
713 struct hid_parser { 593 struct hid_parser {
714 struct hid_global global; 594 struct hid_global global;
715 struct hid_global global_stack[HID 595 struct hid_global global_stack[HID_GLOBAL_STACK_SIZE];
716 unsigned int global_stack_ptr !! 596 unsigned global_stack_ptr;
717 struct hid_local local; 597 struct hid_local local;
718 unsigned int *collection_stack !! 598 unsigned collection_stack[HID_COLLECTION_STACK_SIZE];
719 unsigned int collection_stack !! 599 unsigned collection_stack_ptr;
720 unsigned int collection_stack <<
721 struct hid_device *device; 600 struct hid_device *device;
722 unsigned int scan_flags; !! 601 unsigned scan_flags;
723 }; 602 };
724 603
725 struct hid_class_descriptor { 604 struct hid_class_descriptor {
726 __u8 bDescriptorType; 605 __u8 bDescriptorType;
727 __le16 wDescriptorLength; 606 __le16 wDescriptorLength;
728 } __attribute__ ((packed)); 607 } __attribute__ ((packed));
729 608
730 struct hid_descriptor { 609 struct hid_descriptor {
731 __u8 bLength; 610 __u8 bLength;
732 __u8 bDescriptorType; 611 __u8 bDescriptorType;
733 __le16 bcdHID; 612 __le16 bcdHID;
734 __u8 bCountryCode; 613 __u8 bCountryCode;
735 __u8 bNumDescriptors; 614 __u8 bNumDescriptors;
736 615
737 struct hid_class_descriptor desc[1]; 616 struct hid_class_descriptor desc[1];
738 } __attribute__ ((packed)); 617 } __attribute__ ((packed));
739 618
740 #define HID_DEVICE(b, g, ven, prod) 619 #define HID_DEVICE(b, g, ven, prod) \
741 .bus = (b), .group = (g), .vendor = (v 620 .bus = (b), .group = (g), .vendor = (ven), .product = (prod)
742 #define HID_USB_DEVICE(ven, prod) 621 #define HID_USB_DEVICE(ven, prod) \
743 .bus = BUS_USB, .vendor = (ven), .prod 622 .bus = BUS_USB, .vendor = (ven), .product = (prod)
744 #define HID_BLUETOOTH_DEVICE(ven, prod) 623 #define HID_BLUETOOTH_DEVICE(ven, prod) \
745 .bus = BUS_BLUETOOTH, .vendor = (ven), 624 .bus = BUS_BLUETOOTH, .vendor = (ven), .product = (prod)
746 #define HID_I2C_DEVICE(ven, prod) 625 #define HID_I2C_DEVICE(ven, prod) \
747 .bus = BUS_I2C, .vendor = (ven), .prod 626 .bus = BUS_I2C, .vendor = (ven), .product = (prod)
748 627
749 #define HID_REPORT_ID(rep) \ 628 #define HID_REPORT_ID(rep) \
750 .report_type = (rep) 629 .report_type = (rep)
751 #define HID_USAGE_ID(uhid, utype, ucode) \ 630 #define HID_USAGE_ID(uhid, utype, ucode) \
752 .usage_hid = (uhid), .usage_type = (ut 631 .usage_hid = (uhid), .usage_type = (utype), .usage_code = (ucode)
753 /* we don't want to catch types and codes equa 632 /* we don't want to catch types and codes equal to 0 */
754 #define HID_TERMINATOR (HID_ANY_ID - 633 #define HID_TERMINATOR (HID_ANY_ID - 1)
755 634
756 struct hid_report_id { 635 struct hid_report_id {
757 __u32 report_type; 636 __u32 report_type;
758 }; 637 };
759 struct hid_usage_id { 638 struct hid_usage_id {
760 __u32 usage_hid; 639 __u32 usage_hid;
761 __u32 usage_type; 640 __u32 usage_type;
762 __u32 usage_code; 641 __u32 usage_code;
763 }; 642 };
764 643
765 /** 644 /**
766 * struct hid_driver 645 * struct hid_driver
767 * @name: driver name (e.g. "Footech_bar-wheel 646 * @name: driver name (e.g. "Footech_bar-wheel")
768 * @id_table: which devices is this driver for 647 * @id_table: which devices is this driver for (must be non-NULL for probe
769 * to be called) 648 * to be called)
770 * @dyn_list: list of dynamically added device 649 * @dyn_list: list of dynamically added device ids
771 * @dyn_lock: lock protecting @dyn_list 650 * @dyn_lock: lock protecting @dyn_list
772 * @match: check if the given device is handle <<
773 * @probe: new device inserted 651 * @probe: new device inserted
774 * @remove: device removed (NULL if not a hot- 652 * @remove: device removed (NULL if not a hot-plug capable driver)
775 * @report_table: on which reports to call raw 653 * @report_table: on which reports to call raw_event (NULL means all)
776 * @raw_event: if report in report_table, this 654 * @raw_event: if report in report_table, this hook is called (NULL means nop)
777 * @usage_table: on which events to call event 655 * @usage_table: on which events to call event (NULL means all)
778 * @event: if usage in usage_table, this hook 656 * @event: if usage in usage_table, this hook is called (NULL means nop)
779 * @report: this hook is called after parsing 657 * @report: this hook is called after parsing a report (NULL means nop)
780 * @report_fixup: called before report descrip 658 * @report_fixup: called before report descriptor parsing (NULL means nop)
781 * @input_mapping: invoked on input registerin 659 * @input_mapping: invoked on input registering before mapping an usage
782 * @input_mapped: invoked on input registering 660 * @input_mapped: invoked on input registering after mapping an usage
783 * @input_configured: invoked just before the 661 * @input_configured: invoked just before the device is registered
784 * @feature_mapping: invoked on feature regist 662 * @feature_mapping: invoked on feature registering
785 * @suspend: invoked on suspend (NULL means no 663 * @suspend: invoked on suspend (NULL means nop)
786 * @resume: invoked on resume if device was no 664 * @resume: invoked on resume if device was not reset (NULL means nop)
787 * @reset_resume: invoked on resume if device 665 * @reset_resume: invoked on resume if device was reset (NULL means nop)
788 * 666 *
789 * probe should return -errno on error, or 0 o 667 * probe should return -errno on error, or 0 on success. During probe,
790 * input will not be passed to raw_event unles 668 * input will not be passed to raw_event unless hid_device_io_start is
791 * called. 669 * called.
792 * 670 *
793 * raw_event and event should return negative !! 671 * raw_event and event should return 0 on no action performed, 1 when no
794 * pass the event on to .event() typically ret !! 672 * further processing should be done and negative on error
795 * 673 *
796 * input_mapping shall return a negative value 674 * input_mapping shall return a negative value to completely ignore this usage
797 * (e.g. doubled or invalid usage), zero to co 675 * (e.g. doubled or invalid usage), zero to continue with parsing of this
798 * usage by generic code (no special handling 676 * usage by generic code (no special handling needed) or positive to skip
799 * generic parsing (needed special handling wh 677 * generic parsing (needed special handling which was done in the hook already)
800 * input_mapped shall return negative to infor 678 * input_mapped shall return negative to inform the layer that this usage
801 * should not be considered for further proces 679 * should not be considered for further processing or zero to notify that
802 * no processing was performed and should be d 680 * no processing was performed and should be done in a generic manner
803 * Both these functions may be NULL which mean 681 * Both these functions may be NULL which means the same behavior as returning
804 * zero from them. 682 * zero from them.
805 */ 683 */
806 struct hid_driver { 684 struct hid_driver {
807 char *name; 685 char *name;
808 const struct hid_device_id *id_table; 686 const struct hid_device_id *id_table;
809 687
810 struct list_head dyn_list; 688 struct list_head dyn_list;
811 spinlock_t dyn_lock; 689 spinlock_t dyn_lock;
812 690
813 bool (*match)(struct hid_device *dev, <<
814 int (*probe)(struct hid_device *dev, c 691 int (*probe)(struct hid_device *dev, const struct hid_device_id *id);
815 void (*remove)(struct hid_device *dev) 692 void (*remove)(struct hid_device *dev);
816 693
817 const struct hid_report_id *report_tab 694 const struct hid_report_id *report_table;
818 int (*raw_event)(struct hid_device *hd 695 int (*raw_event)(struct hid_device *hdev, struct hid_report *report,
819 u8 *data, int size); 696 u8 *data, int size);
820 const struct hid_usage_id *usage_table 697 const struct hid_usage_id *usage_table;
821 int (*event)(struct hid_device *hdev, 698 int (*event)(struct hid_device *hdev, struct hid_field *field,
822 struct hid_usage *usag 699 struct hid_usage *usage, __s32 value);
823 void (*report)(struct hid_device *hdev 700 void (*report)(struct hid_device *hdev, struct hid_report *report);
824 701
825 const __u8 *(*report_fixup)(struct hid !! 702 __u8 *(*report_fixup)(struct hid_device *hdev, __u8 *buf,
826 unsigned int *size); 703 unsigned int *size);
827 704
828 int (*input_mapping)(struct hid_device 705 int (*input_mapping)(struct hid_device *hdev,
829 struct hid_input *hidi 706 struct hid_input *hidinput, struct hid_field *field,
830 struct hid_usage *usag 707 struct hid_usage *usage, unsigned long **bit, int *max);
831 int (*input_mapped)(struct hid_device 708 int (*input_mapped)(struct hid_device *hdev,
832 struct hid_input *hidi 709 struct hid_input *hidinput, struct hid_field *field,
833 struct hid_usage *usag 710 struct hid_usage *usage, unsigned long **bit, int *max);
834 int (*input_configured)(struct hid_dev 711 int (*input_configured)(struct hid_device *hdev,
835 struct hid_inp 712 struct hid_input *hidinput);
836 void (*feature_mapping)(struct hid_dev 713 void (*feature_mapping)(struct hid_device *hdev,
837 struct hid_field *fiel 714 struct hid_field *field,
838 struct hid_usage *usag 715 struct hid_usage *usage);
839 !! 716 #ifdef CONFIG_PM
840 int (*suspend)(struct hid_device *hdev 717 int (*suspend)(struct hid_device *hdev, pm_message_t message);
841 int (*resume)(struct hid_device *hdev) 718 int (*resume)(struct hid_device *hdev);
842 int (*reset_resume)(struct hid_device 719 int (*reset_resume)(struct hid_device *hdev);
843 !! 720 #endif
844 /* private: */ 721 /* private: */
845 struct device_driver driver; 722 struct device_driver driver;
846 }; 723 };
847 724
848 #define to_hid_driver(pdrv) \ 725 #define to_hid_driver(pdrv) \
849 container_of(pdrv, struct hid_driver, 726 container_of(pdrv, struct hid_driver, driver)
850 727
851 /** 728 /**
852 * struct hid_ll_driver - low level driver cal !! 729 * hid_ll_driver - low level driver callbacks
853 * @start: called on probe to start the device 730 * @start: called on probe to start the device
854 * @stop: called on remove 731 * @stop: called on remove
855 * @open: called by input layer on open 732 * @open: called by input layer on open
856 * @close: called by input layer on close 733 * @close: called by input layer on close
857 * @power: request underlying hardware to ente <<
858 * @parse: this method is called only once to 734 * @parse: this method is called only once to parse the device data,
859 * shouldn't allocate anything to not 735 * shouldn't allocate anything to not leak memory
860 * @request: send report request to device (e. 736 * @request: send report request to device (e.g. feature report)
861 * @wait: wait for buffered io to complete (se 737 * @wait: wait for buffered io to complete (send/recv reports)
862 * @raw_request: send raw report request to de 738 * @raw_request: send raw report request to device (e.g. feature report)
863 * @output_report: send output report to devic 739 * @output_report: send output report to device
864 * @idle: send idle request to device 740 * @idle: send idle request to device
865 * @may_wakeup: return if device may act as a <<
866 * @max_buffer_size: over-ride maximum data bu <<
867 */ 741 */
868 struct hid_ll_driver { 742 struct hid_ll_driver {
869 int (*start)(struct hid_device *hdev); 743 int (*start)(struct hid_device *hdev);
870 void (*stop)(struct hid_device *hdev); 744 void (*stop)(struct hid_device *hdev);
871 745
872 int (*open)(struct hid_device *hdev); 746 int (*open)(struct hid_device *hdev);
873 void (*close)(struct hid_device *hdev) 747 void (*close)(struct hid_device *hdev);
874 748
875 int (*power)(struct hid_device *hdev, 749 int (*power)(struct hid_device *hdev, int level);
876 750
877 int (*parse)(struct hid_device *hdev); 751 int (*parse)(struct hid_device *hdev);
878 752
879 void (*request)(struct hid_device *hde 753 void (*request)(struct hid_device *hdev,
880 struct hid_report *rep 754 struct hid_report *report, int reqtype);
881 755
882 int (*wait)(struct hid_device *hdev); 756 int (*wait)(struct hid_device *hdev);
883 757
884 int (*raw_request) (struct hid_device 758 int (*raw_request) (struct hid_device *hdev, unsigned char reportnum,
885 __u8 *buf, size_t 759 __u8 *buf, size_t len, unsigned char rtype,
886 int reqtype); 760 int reqtype);
887 761
888 int (*output_report) (struct hid_devic 762 int (*output_report) (struct hid_device *hdev, __u8 *buf, size_t len);
889 763
890 int (*idle)(struct hid_device *hdev, i 764 int (*idle)(struct hid_device *hdev, int report, int idle, int reqtype);
891 bool (*may_wakeup)(struct hid_device * <<
892 <<
893 unsigned int max_buffer_size; <<
894 }; 765 };
895 766
896 extern bool hid_is_usb(const struct hid_device <<
897 <<
898 #define PM_HINT_FULLON 1<<5 767 #define PM_HINT_FULLON 1<<5
899 #define PM_HINT_NORMAL 1<<1 768 #define PM_HINT_NORMAL 1<<1
900 769
901 /* Applications from HID Usage Tables 4/8/99 V 770 /* Applications from HID Usage Tables 4/8/99 Version 1.1 */
902 /* We ignore a few input applications that are 771 /* We ignore a few input applications that are not widely used */
903 #define IS_INPUT_APPLICATION(a) \ !! 772 #define IS_INPUT_APPLICATION(a) (((a >= 0x00010000) && (a <= 0x00010008)) || (a == 0x00010080) || (a == 0x000c0001) || ((a >= 0x000d0002) && (a <= 0x000d0006)))
904 (((a >= HID_UP_GENDESK) && (a <<
905 || ((a >= HID_DG_DIGITIZER) && <<
906 || (a == HID_GD_SYSTEM_CONTROL <<
907 || (a == HID_GD_WIRELESS_RADIO <<
908 773
909 /* HID core API */ 774 /* HID core API */
910 775
>> 776 extern int hid_debug;
>> 777
911 extern bool hid_ignore(struct hid_device *); 778 extern bool hid_ignore(struct hid_device *);
912 extern int hid_add_device(struct hid_device *) 779 extern int hid_add_device(struct hid_device *);
913 extern void hid_destroy_device(struct hid_devi 780 extern void hid_destroy_device(struct hid_device *);
914 781
915 extern const struct bus_type hid_bus_type; <<
916 <<
917 extern int __must_check __hid_register_driver( 782 extern int __must_check __hid_register_driver(struct hid_driver *,
918 struct module *, const char *m 783 struct module *, const char *mod_name);
919 784
920 /* use a define to avoid include chaining to g 785 /* use a define to avoid include chaining to get THIS_MODULE & friends */
921 #define hid_register_driver(driver) \ 786 #define hid_register_driver(driver) \
922 __hid_register_driver(driver, THIS_MOD 787 __hid_register_driver(driver, THIS_MODULE, KBUILD_MODNAME)
923 788
924 extern void hid_unregister_driver(struct hid_d 789 extern void hid_unregister_driver(struct hid_driver *);
925 790
926 /** 791 /**
927 * module_hid_driver() - Helper macro for regi 792 * module_hid_driver() - Helper macro for registering a HID driver
928 * @__hid_driver: hid_driver struct 793 * @__hid_driver: hid_driver struct
929 * 794 *
930 * Helper macro for HID drivers which do not d 795 * Helper macro for HID drivers which do not do anything special in module
931 * init/exit. This eliminates a lot of boilerp 796 * init/exit. This eliminates a lot of boilerplate. Each module may only
932 * use this macro once, and calling it replace 797 * use this macro once, and calling it replaces module_init() and module_exit()
933 */ 798 */
934 #define module_hid_driver(__hid_driver) \ 799 #define module_hid_driver(__hid_driver) \
935 module_driver(__hid_driver, hid_regist 800 module_driver(__hid_driver, hid_register_driver, \
936 hid_unregister_driver) 801 hid_unregister_driver)
937 802
938 extern void hidinput_hid_event(struct hid_devi 803 extern void hidinput_hid_event(struct hid_device *, struct hid_field *, struct hid_usage *, __s32);
939 extern void hidinput_report_event(struct hid_d 804 extern void hidinput_report_event(struct hid_device *hid, struct hid_report *report);
940 extern int hidinput_connect(struct hid_device 805 extern int hidinput_connect(struct hid_device *hid, unsigned int force);
941 extern void hidinput_disconnect(struct hid_dev 806 extern void hidinput_disconnect(struct hid_device *);
942 807
943 struct hid_field *hid_find_field(struct hid_de <<
944 unsigned int <<
945 int hid_set_field(struct hid_field *, unsigned 808 int hid_set_field(struct hid_field *, unsigned, __s32);
946 int hid_input_report(struct hid_device *hid, e !! 809 int hid_input_report(struct hid_device *, int type, u8 *, int, int);
947 int interrupt); !! 810 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field);
948 struct hid_field *hidinput_get_led_field(struc 811 struct hid_field *hidinput_get_led_field(struct hid_device *hid);
949 unsigned int hidinput_count_leds(struct hid_de 812 unsigned int hidinput_count_leds(struct hid_device *hid);
950 __s32 hidinput_calc_abs_res(const struct hid_f 813 __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code);
951 void hid_output_report(struct hid_report *repo 814 void hid_output_report(struct hid_report *report, __u8 *data);
952 int __hid_request(struct hid_device *hid, stru !! 815 void __hid_request(struct hid_device *hid, struct hid_report *rep, int reqtype);
953 u8 *hid_alloc_report_buf(struct hid_report *re 816 u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags);
954 struct hid_device *hid_allocate_device(void); 817 struct hid_device *hid_allocate_device(void);
955 struct hid_report *hid_register_report(struct !! 818 struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id);
956 enum hi !! 819 int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size);
957 unsigne <<
958 int hid_parse_report(struct hid_device *hid, c <<
959 struct hid_report *hid_validate_values(struct 820 struct hid_report *hid_validate_values(struct hid_device *hid,
960 enum hi !! 821 unsigned int type, unsigned int id,
961 unsigne 822 unsigned int field_index,
962 unsigne 823 unsigned int report_counts);
963 <<
964 void hid_setup_resolution_multiplier(struct hi <<
965 int hid_open_report(struct hid_device *device) 824 int hid_open_report(struct hid_device *device);
966 int hid_check_keys_pressed(struct hid_device * 825 int hid_check_keys_pressed(struct hid_device *hid);
967 int hid_connect(struct hid_device *hid, unsign 826 int hid_connect(struct hid_device *hid, unsigned int connect_mask);
968 void hid_disconnect(struct hid_device *hid); 827 void hid_disconnect(struct hid_device *hid);
969 bool hid_match_one_id(const struct hid_device !! 828 const struct hid_device_id *hid_match_id(struct hid_device *hdev,
970 const struct hid_device_ <<
971 const struct hid_device_id *hid_match_id(const <<
972 const 829 const struct hid_device_id *id);
973 const struct hid_device_id *hid_match_device(s <<
974 s <<
975 bool hid_compare_device_paths(struct hid_devic <<
976 struct hid_devic <<
977 s32 hid_snto32(__u32 value, unsigned n); 830 s32 hid_snto32(__u32 value, unsigned n);
978 __u32 hid_field_extract(const struct hid_devic 831 __u32 hid_field_extract(const struct hid_device *hid, __u8 *report,
979 unsigned offset, unsigned 832 unsigned offset, unsigned n);
980 833
981 #ifdef CONFIG_PM <<
982 int hid_driver_suspend(struct hid_device *hdev <<
983 int hid_driver_reset_resume(struct hid_device <<
984 int hid_driver_resume(struct hid_device *hdev) <<
985 #else <<
986 static inline int hid_driver_suspend(struct hi <<
987 static inline int hid_driver_reset_resume(stru <<
988 static inline int hid_driver_resume(struct hid <<
989 #endif <<
990 <<
991 /** 834 /**
992 * hid_device_io_start - enable HID input duri 835 * hid_device_io_start - enable HID input during probe, remove
993 * 836 *
994 * @hid: the device !! 837 * @hid - the device
995 * 838 *
996 * This should only be called during probe or 839 * This should only be called during probe or remove and only be
997 * called by the thread calling probe or remov 840 * called by the thread calling probe or remove. It will allow
998 * incoming packets to be delivered to the dri 841 * incoming packets to be delivered to the driver.
999 */ 842 */
1000 static inline void hid_device_io_start(struct 843 static inline void hid_device_io_start(struct hid_device *hid) {
1001 if (hid->io_started) { 844 if (hid->io_started) {
1002 dev_warn(&hid->dev, "io alrea 845 dev_warn(&hid->dev, "io already started\n");
1003 return; 846 return;
1004 } 847 }
1005 hid->io_started = true; 848 hid->io_started = true;
1006 up(&hid->driver_input_lock); 849 up(&hid->driver_input_lock);
1007 } 850 }
1008 851
1009 /** 852 /**
1010 * hid_device_io_stop - disable HID input dur 853 * hid_device_io_stop - disable HID input during probe, remove
1011 * 854 *
1012 * @hid: the device !! 855 * @hid - the device
1013 * 856 *
1014 * Should only be called after hid_device_io_ 857 * Should only be called after hid_device_io_start. It will prevent
1015 * incoming packets from going to the driver 858 * incoming packets from going to the driver for the duration of
1016 * probe, remove. If called during probe, pac 859 * probe, remove. If called during probe, packets will still go to the
1017 * driver after probe is complete. This funct 860 * driver after probe is complete. This function should only be called
1018 * by the thread calling probe or remove. 861 * by the thread calling probe or remove.
1019 */ 862 */
1020 static inline void hid_device_io_stop(struct 863 static inline void hid_device_io_stop(struct hid_device *hid) {
1021 if (!hid->io_started) { 864 if (!hid->io_started) {
1022 dev_warn(&hid->dev, "io alrea 865 dev_warn(&hid->dev, "io already stopped\n");
1023 return; 866 return;
1024 } 867 }
1025 hid->io_started = false; 868 hid->io_started = false;
1026 down(&hid->driver_input_lock); 869 down(&hid->driver_input_lock);
1027 } 870 }
1028 871
1029 /** 872 /**
1030 * hid_map_usage - map usage input bits 873 * hid_map_usage - map usage input bits
1031 * 874 *
1032 * @hidinput: hidinput which we are intereste 875 * @hidinput: hidinput which we are interested in
1033 * @usage: usage to fill in 876 * @usage: usage to fill in
1034 * @bit: pointer to input->{}bit (out paramet 877 * @bit: pointer to input->{}bit (out parameter)
1035 * @max: maximal valid usage->code to conside 878 * @max: maximal valid usage->code to consider later (out parameter)
1036 * @type: input event type (EV_KEY, EV_REL, . 879 * @type: input event type (EV_KEY, EV_REL, ...)
1037 * @c: code which corresponds to this usage a 880 * @c: code which corresponds to this usage and type
1038 * <<
1039 * The value pointed to by @bit will be set t <<
1040 * an unhandled event type, or if @c is out o <<
1041 * can be used as an error condition. <<
1042 */ 881 */
1043 static inline void hid_map_usage(struct hid_i 882 static inline void hid_map_usage(struct hid_input *hidinput,
1044 struct hid_usage *usage, unsi 883 struct hid_usage *usage, unsigned long **bit, int *max,
1045 __u8 type, unsigned int c) !! 884 __u8 type, __u16 c)
1046 { 885 {
1047 struct input_dev *input = hidinput->i 886 struct input_dev *input = hidinput->input;
1048 unsigned long *bmap = NULL; !! 887
1049 unsigned int limit = 0; !! 888 usage->type = type;
>> 889 usage->code = c;
1050 890
1051 switch (type) { 891 switch (type) {
1052 case EV_ABS: 892 case EV_ABS:
1053 bmap = input->absbit; !! 893 *bit = input->absbit;
1054 limit = ABS_MAX; !! 894 *max = ABS_MAX;
1055 break; 895 break;
1056 case EV_REL: 896 case EV_REL:
1057 bmap = input->relbit; !! 897 *bit = input->relbit;
1058 limit = REL_MAX; !! 898 *max = REL_MAX;
1059 break; 899 break;
1060 case EV_KEY: 900 case EV_KEY:
1061 bmap = input->keybit; !! 901 *bit = input->keybit;
1062 limit = KEY_MAX; !! 902 *max = KEY_MAX;
1063 break; 903 break;
1064 case EV_LED: 904 case EV_LED:
1065 bmap = input->ledbit; !! 905 *bit = input->ledbit;
1066 limit = LED_MAX; !! 906 *max = LED_MAX;
1067 break; 907 break;
1068 case EV_MSC: <<
1069 bmap = input->mscbit; <<
1070 limit = MSC_MAX; <<
1071 break; <<
1072 } <<
1073 <<
1074 if (unlikely(c > limit || !bmap)) { <<
1075 pr_warn_ratelimited("%s: Inva <<
1076 input->na <<
1077 *bit = NULL; <<
1078 return; <<
1079 } 908 }
1080 <<
1081 usage->type = type; <<
1082 usage->code = c; <<
1083 *max = limit; <<
1084 *bit = bmap; <<
1085 } 909 }
1086 910
1087 /** 911 /**
1088 * hid_map_usage_clear - map usage input bits 912 * hid_map_usage_clear - map usage input bits and clear the input bit
1089 * 913 *
1090 * @hidinput: hidinput which we are intereste <<
1091 * @usage: usage to fill in <<
1092 * @bit: pointer to input->{}bit (out paramet <<
1093 * @max: maximal valid usage->code to conside <<
1094 * @type: input event type (EV_KEY, EV_REL, . <<
1095 * @c: code which corresponds to this usage a <<
1096 * <<
1097 * The same as hid_map_usage, except the @c b 914 * The same as hid_map_usage, except the @c bit is also cleared in supported
1098 * bits (@bit). 915 * bits (@bit).
1099 */ 916 */
1100 static inline void hid_map_usage_clear(struct 917 static inline void hid_map_usage_clear(struct hid_input *hidinput,
1101 struct hid_usage *usage, unsi 918 struct hid_usage *usage, unsigned long **bit, int *max,
1102 __u8 type, __u16 c) 919 __u8 type, __u16 c)
1103 { 920 {
1104 hid_map_usage(hidinput, usage, bit, m 921 hid_map_usage(hidinput, usage, bit, max, type, c);
1105 if (*bit) !! 922 clear_bit(c, *bit);
1106 clear_bit(usage->code, *bit); <<
1107 } 923 }
1108 924
1109 /** 925 /**
1110 * hid_parse - parse HW reports 926 * hid_parse - parse HW reports
1111 * 927 *
1112 * @hdev: hid device 928 * @hdev: hid device
1113 * 929 *
1114 * Call this from probe after you set up the 930 * Call this from probe after you set up the device (if needed). Your
1115 * report_fixup will be called (if non-NULL) 931 * report_fixup will be called (if non-NULL) after reading raw report from
1116 * device before passing it to hid layer for 932 * device before passing it to hid layer for real parsing.
1117 */ 933 */
1118 static inline int __must_check hid_parse(stru 934 static inline int __must_check hid_parse(struct hid_device *hdev)
1119 { 935 {
1120 return hid_open_report(hdev); 936 return hid_open_report(hdev);
1121 } 937 }
1122 938
1123 int __must_check hid_hw_start(struct hid_devi !! 939 /**
1124 unsigned int co !! 940 * hid_hw_start - start underlaying HW
1125 void hid_hw_stop(struct hid_device *hdev); !! 941 *
1126 int __must_check hid_hw_open(struct hid_devic !! 942 * @hdev: hid device
1127 void hid_hw_close(struct hid_device *hdev); !! 943 * @connect_mask: which outputs to connect, see HID_CONNECT_*
1128 void hid_hw_request(struct hid_device *hdev, !! 944 *
1129 struct hid_report *report !! 945 * Call this in probe function *after* hid_parse. This will setup HW buffers
1130 int __hid_hw_raw_request(struct hid_device *h !! 946 * and start the device (if not deffered to device open). hid_hw_stop must be
1131 unsigned char report !! 947 * called if this was successful.
1132 size_t len, enum hid !! 948 */
1133 enum hid_class_reque !! 949 static inline int __must_check hid_hw_start(struct hid_device *hdev,
1134 __u64 source, bool f !! 950 unsigned int connect_mask)
1135 int __hid_hw_output_report(struct hid_device !! 951 {
1136 bool from_bpf); !! 952 int ret = hdev->ll_driver->start(hdev);
1137 int hid_hw_raw_request(struct hid_device *hde !! 953 if (ret || !connect_mask)
1138 unsigned char reportnu !! 954 return ret;
1139 size_t len, enum hid_r !! 955 ret = hid_connect(hdev, connect_mask);
1140 enum hid_class_request !! 956 if (ret)
1141 int hid_hw_output_report(struct hid_device *h !! 957 hdev->ll_driver->stop(hdev);
>> 958 return ret;
>> 959 }
>> 960
>> 961 /**
>> 962 * hid_hw_stop - stop underlaying HW
>> 963 *
>> 964 * @hdev: hid device
>> 965 *
>> 966 * This is usually called from remove function or from probe when something
>> 967 * failed and hid_hw_start was called already.
>> 968 */
>> 969 static inline void hid_hw_stop(struct hid_device *hdev)
>> 970 {
>> 971 hid_disconnect(hdev);
>> 972 hdev->ll_driver->stop(hdev);
>> 973 }
>> 974
>> 975 /**
>> 976 * hid_hw_open - signal underlaying HW to start delivering events
>> 977 *
>> 978 * @hdev: hid device
>> 979 *
>> 980 * Tell underlying HW to start delivering events from the device.
>> 981 * This function should be called sometime after successful call
>> 982 * to hid_hiw_start().
>> 983 */
>> 984 static inline int __must_check hid_hw_open(struct hid_device *hdev)
>> 985 {
>> 986 return hdev->ll_driver->open(hdev);
>> 987 }
>> 988
>> 989 /**
>> 990 * hid_hw_close - signal underlaying HW to stop delivering events
>> 991 *
>> 992 * @hdev: hid device
>> 993 *
>> 994 * This function indicates that we are not interested in the events
>> 995 * from this device anymore. Delivery of events may or may not stop,
>> 996 * depending on the number of users still outstanding.
>> 997 */
>> 998 static inline void hid_hw_close(struct hid_device *hdev)
>> 999 {
>> 1000 hdev->ll_driver->close(hdev);
>> 1001 }
1142 1002
1143 /** 1003 /**
1144 * hid_hw_power - requests underlying HW to g 1004 * hid_hw_power - requests underlying HW to go into given power mode
1145 * 1005 *
1146 * @hdev: hid device 1006 * @hdev: hid device
1147 * @level: requested power level (one of %PM_ 1007 * @level: requested power level (one of %PM_HINT_* defines)
1148 * 1008 *
1149 * This function requests underlying hardware 1009 * This function requests underlying hardware to enter requested power
1150 * mode. 1010 * mode.
1151 */ 1011 */
1152 1012
1153 static inline int hid_hw_power(struct hid_dev 1013 static inline int hid_hw_power(struct hid_device *hdev, int level)
1154 { 1014 {
1155 return hdev->ll_driver->power ? hdev- 1015 return hdev->ll_driver->power ? hdev->ll_driver->power(hdev, level) : 0;
1156 } 1016 }
1157 1017
1158 1018
1159 /** 1019 /**
1160 * hid_hw_idle - send idle request to device !! 1020 * hid_hw_request - send report request to device
1161 * 1021 *
1162 * @hdev: hid device 1022 * @hdev: hid device
1163 * @report: report to control !! 1023 * @report: report to send
1164 * @idle: idle state <<
1165 * @reqtype: hid request type 1024 * @reqtype: hid request type
1166 */ 1025 */
1167 static inline int hid_hw_idle(struct hid_devi !! 1026 static inline void hid_hw_request(struct hid_device *hdev,
1168 enum hid_class_request reqtyp !! 1027 struct hid_report *report, int reqtype)
1169 { 1028 {
1170 if (hdev->ll_driver->idle) !! 1029 if (hdev->ll_driver->request)
1171 return hdev->ll_driver->idle( !! 1030 return hdev->ll_driver->request(hdev, report, reqtype);
1172 1031
1173 return 0; !! 1032 __hid_request(hdev, report, reqtype);
1174 } 1033 }
1175 1034
1176 /** 1035 /**
1177 * hid_hw_may_wakeup - return if the hid devi !! 1036 * hid_hw_raw_request - send report request to device
1178 * 1037 *
1179 * @hdev: hid device 1038 * @hdev: hid device
>> 1039 * @reportnum: report ID
>> 1040 * @buf: in/out data to transfer
>> 1041 * @len: length of buf
>> 1042 * @rtype: HID report type
>> 1043 * @reqtype: HID_REQ_GET_REPORT or HID_REQ_SET_REPORT
>> 1044 *
>> 1045 * @return: count of data transfered, negative if error
>> 1046 *
>> 1047 * Same behavior as hid_hw_request, but with raw buffers instead.
>> 1048 */
>> 1049 static inline int hid_hw_raw_request(struct hid_device *hdev,
>> 1050 unsigned char reportnum, __u8 *buf,
>> 1051 size_t len, unsigned char rtype, int reqtype)
>> 1052 {
>> 1053 if (len < 1 || len > HID_MAX_BUFFER_SIZE || !buf)
>> 1054 return -EINVAL;
>> 1055
>> 1056 return hdev->ll_driver->raw_request(hdev, reportnum, buf, len,
>> 1057 rtype, reqtype);
>> 1058 }
>> 1059
>> 1060 /**
>> 1061 * hid_hw_output_report - send output report to device
>> 1062 *
>> 1063 * @hdev: hid device
>> 1064 * @buf: raw data to transfer
>> 1065 * @len: length of buf
>> 1066 *
>> 1067 * @return: count of data transfered, negative if error
1180 */ 1068 */
1181 static inline bool hid_hw_may_wakeup(struct h !! 1069 static inline int hid_hw_output_report(struct hid_device *hdev, __u8 *buf,
>> 1070 size_t len)
1182 { 1071 {
1183 if (hdev->ll_driver->may_wakeup) !! 1072 if (len < 1 || len > HID_MAX_BUFFER_SIZE || !buf)
1184 return hdev->ll_driver->may_w !! 1073 return -EINVAL;
1185 1074
1186 if (hdev->dev.parent) !! 1075 if (hdev->ll_driver->output_report)
1187 return device_may_wakeup(hdev !! 1076 return hdev->ll_driver->output_report(hdev, buf, len);
1188 1077
1189 return false; !! 1078 return -ENOSYS;
>> 1079 }
>> 1080
>> 1081 /**
>> 1082 * hid_hw_idle - send idle request to device
>> 1083 *
>> 1084 * @hdev: hid device
>> 1085 * @report: report to control
>> 1086 * @idle: idle state
>> 1087 * @reqtype: hid request type
>> 1088 */
>> 1089 static inline int hid_hw_idle(struct hid_device *hdev, int report, int idle,
>> 1090 int reqtype)
>> 1091 {
>> 1092 if (hdev->ll_driver->idle)
>> 1093 return hdev->ll_driver->idle(hdev, report, idle, reqtype);
>> 1094
>> 1095 return 0;
1190 } 1096 }
1191 1097
1192 /** 1098 /**
1193 * hid_hw_wait - wait for buffered io to comp 1099 * hid_hw_wait - wait for buffered io to complete
1194 * 1100 *
1195 * @hdev: hid device 1101 * @hdev: hid device
1196 */ 1102 */
1197 static inline void hid_hw_wait(struct hid_dev 1103 static inline void hid_hw_wait(struct hid_device *hdev)
1198 { 1104 {
1199 if (hdev->ll_driver->wait) 1105 if (hdev->ll_driver->wait)
1200 hdev->ll_driver->wait(hdev); 1106 hdev->ll_driver->wait(hdev);
1201 } 1107 }
1202 1108
1203 /** 1109 /**
1204 * hid_report_len - calculate the report leng 1110 * hid_report_len - calculate the report length
1205 * 1111 *
1206 * @report: the report we want to know the le 1112 * @report: the report we want to know the length
1207 */ 1113 */
1208 static inline u32 hid_report_len(struct hid_r !! 1114 static inline int hid_report_len(struct hid_report *report)
1209 { 1115 {
1210 return DIV_ROUND_UP(report->size, 8) !! 1116 /* equivalent to DIV_ROUND_UP(report->size, 8) + !!(report->id > 0) */
>> 1117 return ((report->size - 1) >> 3) + 1 + (report->id > 0);
1211 } 1118 }
1212 1119
1213 int hid_report_raw_event(struct hid_device *h !! 1120 int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
1214 int interrupt); !! 1121 int interrupt);
1215 1122
1216 /* HID quirks API */ 1123 /* HID quirks API */
1217 unsigned long hid_lookup_quirk(const struct h !! 1124 u32 usbhid_lookup_quirk(const u16 idVendor, const u16 idProduct);
1218 int hid_quirks_init(char **quirks_param, __u1 !! 1125 int usbhid_quirks_init(char **quirks_param);
1219 void hid_quirks_exit(__u16 bus); !! 1126 void usbhid_quirks_exit(void);
1220 1127
1221 #ifdef CONFIG_HID_PID 1128 #ifdef CONFIG_HID_PID
1222 int hid_pidff_init(struct hid_device *hid); 1129 int hid_pidff_init(struct hid_device *hid);
1223 #else 1130 #else
1224 #define hid_pidff_init NULL 1131 #define hid_pidff_init NULL
1225 #endif 1132 #endif
1226 1133
1227 #define dbg_hid(fmt, ...) pr_debug("%s: " fmt !! 1134 #define dbg_hid(format, arg...) \
1228 !! 1135 do { \
1229 #define hid_err(hid, fmt, ...) !! 1136 if (hid_debug) \
1230 dev_err(&(hid)->dev, fmt, ##__VA_ARGS !! 1137 printk(KERN_DEBUG "%s: " format, __FILE__, ##arg); \
1231 #define hid_notice(hid, fmt, ...) !! 1138 } while (0)
1232 dev_notice(&(hid)->dev, fmt, ##__VA_A !! 1139
1233 #define hid_warn(hid, fmt, ...) !! 1140 #define hid_printk(level, hid, fmt, arg...) \
1234 dev_warn(&(hid)->dev, fmt, ##__VA_ARG !! 1141 dev_printk(level, &(hid)->dev, fmt, ##arg)
1235 #define hid_info(hid, fmt, ...) !! 1142 #define hid_emerg(hid, fmt, arg...) \
1236 dev_info(&(hid)->dev, fmt, ##__VA_ARG !! 1143 dev_emerg(&(hid)->dev, fmt, ##arg)
1237 #define hid_dbg(hid, fmt, ...) !! 1144 #define hid_crit(hid, fmt, arg...) \
1238 dev_dbg(&(hid)->dev, fmt, ##__VA_ARGS !! 1145 dev_crit(&(hid)->dev, fmt, ##arg)
1239 !! 1146 #define hid_alert(hid, fmt, arg...) \
1240 #define hid_err_once(hid, fmt, ...) !! 1147 dev_alert(&(hid)->dev, fmt, ##arg)
1241 dev_err_once(&(hid)->dev, fmt, ##__VA !! 1148 #define hid_err(hid, fmt, arg...) \
1242 #define hid_notice_once(hid, fmt, ...) !! 1149 dev_err(&(hid)->dev, fmt, ##arg)
1243 dev_notice_once(&(hid)->dev, fmt, ##_ !! 1150 #define hid_notice(hid, fmt, arg...) \
1244 #define hid_warn_once(hid, fmt, ...) !! 1151 dev_notice(&(hid)->dev, fmt, ##arg)
1245 dev_warn_once(&(hid)->dev, fmt, ##__V !! 1152 #define hid_warn(hid, fmt, arg...) \
1246 #define hid_info_once(hid, fmt, ...) !! 1153 dev_warn(&(hid)->dev, fmt, ##arg)
1247 dev_info_once(&(hid)->dev, fmt, ##__V !! 1154 #define hid_info(hid, fmt, arg...) \
1248 #define hid_dbg_once(hid, fmt, ...) !! 1155 dev_info(&(hid)->dev, fmt, ##arg)
1249 dev_dbg_once(&(hid)->dev, fmt, ##__VA !! 1156 #define hid_dbg(hid, fmt, arg...) \
>> 1157 dev_dbg(&(hid)->dev, fmt, ##arg)
1250 1158
1251 #endif 1159 #endif
1252 1160
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