Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | * Copyright (c) 1999 Andreas Gal |
| 3 | * Copyright (c) 2000-2001 Vojtech Pavlik |
Jiri Kosina | b55fd23 | 2007-02-21 19:27:49 +0100 | [diff] [blame] | 4 | * Copyright (c) 2006-2007 Jiri Kosina |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |
| 20 | * |
| 21 | * Should you need to contact me, the author, you can do so either by |
| 22 | * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: |
| 23 | * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic |
| 24 | */ |
David Howells | 607ca46 | 2012-10-13 10:46:48 +0100 | [diff] [blame] | 25 | #ifndef __HID_H |
| 26 | #define __HID_H |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | |
Jiri Kosina | 57d292b | 2007-10-15 15:17:41 +0200 | [diff] [blame] | 28 | |
| 29 | #include <linux/types.h> |
| 30 | #include <linux/slab.h> |
| 31 | #include <linux/list.h> |
Jiri Slaby | e8c84f9 | 2008-05-19 15:50:01 +0200 | [diff] [blame] | 32 | #include <linux/mod_devicetable.h> /* hid_device_id */ |
Jiri Kosina | 57d292b | 2007-10-15 15:17:41 +0200 | [diff] [blame] | 33 | #include <linux/timer.h> |
| 34 | #include <linux/workqueue.h> |
| 35 | #include <linux/input.h> |
David Herrmann | 4ea5454 | 2011-08-10 14:02:07 +0200 | [diff] [blame] | 36 | #include <linux/semaphore.h> |
Jeremy Fitzhardinge | 4f5ca83 | 2011-11-23 00:49:14 -0800 | [diff] [blame] | 37 | #include <linux/power_supply.h> |
David Howells | 607ca46 | 2012-10-13 10:46:48 +0100 | [diff] [blame] | 38 | #include <uapi/linux/hid.h> |
Jiri Kosina | 57d292b | 2007-10-15 15:17:41 +0200 | [diff] [blame] | 39 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | /* |
| 41 | * We parse each description item into this structure. Short items data |
| 42 | * values are expanded to 32-bit signed int, long items contain a pointer |
| 43 | * into the data area. |
| 44 | */ |
| 45 | |
| 46 | struct hid_item { |
| 47 | unsigned format; |
| 48 | __u8 size; |
| 49 | __u8 type; |
| 50 | __u8 tag; |
| 51 | union { |
| 52 | __u8 u8; |
| 53 | __s8 s8; |
| 54 | __u16 u16; |
| 55 | __s16 s16; |
| 56 | __u32 u32; |
| 57 | __s32 s32; |
| 58 | __u8 *longdata; |
| 59 | } data; |
| 60 | }; |
| 61 | |
| 62 | /* |
| 63 | * HID report item format |
| 64 | */ |
| 65 | |
| 66 | #define HID_ITEM_FORMAT_SHORT 0 |
| 67 | #define HID_ITEM_FORMAT_LONG 1 |
| 68 | |
| 69 | /* |
| 70 | * Special tag indicating long items |
| 71 | */ |
| 72 | |
| 73 | #define HID_ITEM_TAG_LONG 15 |
| 74 | |
| 75 | /* |
| 76 | * HID report descriptor item type (prefix bit 2,3) |
| 77 | */ |
| 78 | |
| 79 | #define HID_ITEM_TYPE_MAIN 0 |
| 80 | #define HID_ITEM_TYPE_GLOBAL 1 |
| 81 | #define HID_ITEM_TYPE_LOCAL 2 |
| 82 | #define HID_ITEM_TYPE_RESERVED 3 |
| 83 | |
| 84 | /* |
| 85 | * HID report descriptor main item tags |
| 86 | */ |
| 87 | |
| 88 | #define HID_MAIN_ITEM_TAG_INPUT 8 |
| 89 | #define HID_MAIN_ITEM_TAG_OUTPUT 9 |
| 90 | #define HID_MAIN_ITEM_TAG_FEATURE 11 |
| 91 | #define HID_MAIN_ITEM_TAG_BEGIN_COLLECTION 10 |
| 92 | #define HID_MAIN_ITEM_TAG_END_COLLECTION 12 |
| 93 | |
| 94 | /* |
| 95 | * HID report descriptor main item contents |
| 96 | */ |
| 97 | |
| 98 | #define HID_MAIN_ITEM_CONSTANT 0x001 |
| 99 | #define HID_MAIN_ITEM_VARIABLE 0x002 |
| 100 | #define HID_MAIN_ITEM_RELATIVE 0x004 |
Dmitry Torokhov | 05f091ab | 2005-05-29 02:29:01 -0500 | [diff] [blame] | 101 | #define HID_MAIN_ITEM_WRAP 0x008 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 102 | #define HID_MAIN_ITEM_NONLINEAR 0x010 |
| 103 | #define HID_MAIN_ITEM_NO_PREFERRED 0x020 |
| 104 | #define HID_MAIN_ITEM_NULL_STATE 0x040 |
| 105 | #define HID_MAIN_ITEM_VOLATILE 0x080 |
| 106 | #define HID_MAIN_ITEM_BUFFERED_BYTE 0x100 |
| 107 | |
| 108 | /* |
| 109 | * HID report descriptor collection item types |
| 110 | */ |
| 111 | |
| 112 | #define HID_COLLECTION_PHYSICAL 0 |
| 113 | #define HID_COLLECTION_APPLICATION 1 |
| 114 | #define HID_COLLECTION_LOGICAL 2 |
| 115 | |
| 116 | /* |
| 117 | * HID report descriptor global item tags |
| 118 | */ |
| 119 | |
| 120 | #define HID_GLOBAL_ITEM_TAG_USAGE_PAGE 0 |
| 121 | #define HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM 1 |
| 122 | #define HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM 2 |
| 123 | #define HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM 3 |
| 124 | #define HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM 4 |
| 125 | #define HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT 5 |
| 126 | #define HID_GLOBAL_ITEM_TAG_UNIT 6 |
| 127 | #define HID_GLOBAL_ITEM_TAG_REPORT_SIZE 7 |
| 128 | #define HID_GLOBAL_ITEM_TAG_REPORT_ID 8 |
| 129 | #define HID_GLOBAL_ITEM_TAG_REPORT_COUNT 9 |
| 130 | #define HID_GLOBAL_ITEM_TAG_PUSH 10 |
| 131 | #define HID_GLOBAL_ITEM_TAG_POP 11 |
| 132 | |
| 133 | /* |
| 134 | * HID report descriptor local item tags |
| 135 | */ |
| 136 | |
| 137 | #define HID_LOCAL_ITEM_TAG_USAGE 0 |
| 138 | #define HID_LOCAL_ITEM_TAG_USAGE_MINIMUM 1 |
| 139 | #define HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM 2 |
| 140 | #define HID_LOCAL_ITEM_TAG_DESIGNATOR_INDEX 3 |
| 141 | #define HID_LOCAL_ITEM_TAG_DESIGNATOR_MINIMUM 4 |
| 142 | #define HID_LOCAL_ITEM_TAG_DESIGNATOR_MAXIMUM 5 |
| 143 | #define HID_LOCAL_ITEM_TAG_STRING_INDEX 7 |
| 144 | #define HID_LOCAL_ITEM_TAG_STRING_MINIMUM 8 |
| 145 | #define HID_LOCAL_ITEM_TAG_STRING_MAXIMUM 9 |
| 146 | #define HID_LOCAL_ITEM_TAG_DELIMITER 10 |
| 147 | |
| 148 | /* |
| 149 | * HID usage tables |
| 150 | */ |
| 151 | |
| 152 | #define HID_USAGE_PAGE 0xffff0000 |
| 153 | |
| 154 | #define HID_UP_UNDEFINED 0x00000000 |
Dmitry Torokhov | 05f091ab | 2005-05-29 02:29:01 -0500 | [diff] [blame] | 155 | #define HID_UP_GENDESK 0x00010000 |
Vojtech Pavlik | 0aebfda | 2005-09-05 00:07:59 -0500 | [diff] [blame] | 156 | #define HID_UP_SIMULATION 0x00020000 |
Jeremy Fitzhardinge | 4f5ca83 | 2011-11-23 00:49:14 -0800 | [diff] [blame] | 157 | #define HID_UP_GENDEVCTRLS 0x00060000 |
Dmitry Torokhov | 05f091ab | 2005-05-29 02:29:01 -0500 | [diff] [blame] | 158 | #define HID_UP_KEYBOARD 0x00070000 |
| 159 | #define HID_UP_LED 0x00080000 |
| 160 | #define HID_UP_BUTTON 0x00090000 |
| 161 | #define HID_UP_ORDINAL 0x000a0000 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 162 | #define HID_UP_CONSUMER 0x000c0000 |
Dmitry Torokhov | 05f091ab | 2005-05-29 02:29:01 -0500 | [diff] [blame] | 163 | #define HID_UP_DIGITIZER 0x000d0000 |
| 164 | #define HID_UP_PID 0x000f0000 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 165 | #define HID_UP_HPVENDOR 0xff7f0000 |
Keng-Yu Lin | 929578a | 2012-07-06 18:06:11 +0800 | [diff] [blame] | 166 | #define HID_UP_HPVENDOR2 0xff010000 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 167 | #define HID_UP_MSVENDOR 0xff000000 |
Stelian Pop | e875ce3 | 2005-09-05 01:57:33 -0500 | [diff] [blame] | 168 | #define HID_UP_CUSTOM 0x00ff0000 |
| 169 | #define HID_UP_LOGIVENDOR 0xffbc0000 |
Alexander Holler | 83499b5 | 2012-12-09 12:44:30 +0100 | [diff] [blame] | 170 | #define HID_UP_SENSOR 0x00200000 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 171 | |
| 172 | #define HID_USAGE 0x0000ffff |
| 173 | |
| 174 | #define HID_GD_POINTER 0x00010001 |
| 175 | #define HID_GD_MOUSE 0x00010002 |
| 176 | #define HID_GD_JOYSTICK 0x00010004 |
| 177 | #define HID_GD_GAMEPAD 0x00010005 |
| 178 | #define HID_GD_KEYBOARD 0x00010006 |
| 179 | #define HID_GD_KEYPAD 0x00010007 |
| 180 | #define HID_GD_MULTIAXIS 0x00010008 |
| 181 | #define HID_GD_X 0x00010030 |
| 182 | #define HID_GD_Y 0x00010031 |
| 183 | #define HID_GD_Z 0x00010032 |
| 184 | #define HID_GD_RX 0x00010033 |
| 185 | #define HID_GD_RY 0x00010034 |
| 186 | #define HID_GD_RZ 0x00010035 |
| 187 | #define HID_GD_SLIDER 0x00010036 |
| 188 | #define HID_GD_DIAL 0x00010037 |
| 189 | #define HID_GD_WHEEL 0x00010038 |
| 190 | #define HID_GD_HATSWITCH 0x00010039 |
| 191 | #define HID_GD_BUFFER 0x0001003a |
| 192 | #define HID_GD_BYTECOUNT 0x0001003b |
| 193 | #define HID_GD_MOTION 0x0001003c |
| 194 | #define HID_GD_START 0x0001003d |
| 195 | #define HID_GD_SELECT 0x0001003e |
| 196 | #define HID_GD_VX 0x00010040 |
| 197 | #define HID_GD_VY 0x00010041 |
| 198 | #define HID_GD_VZ 0x00010042 |
| 199 | #define HID_GD_VBRX 0x00010043 |
| 200 | #define HID_GD_VBRY 0x00010044 |
| 201 | #define HID_GD_VBRZ 0x00010045 |
| 202 | #define HID_GD_VNO 0x00010046 |
| 203 | #define HID_GD_FEATURE 0x00010047 |
| 204 | #define HID_GD_UP 0x00010090 |
| 205 | #define HID_GD_DOWN 0x00010091 |
| 206 | #define HID_GD_RIGHT 0x00010092 |
| 207 | #define HID_GD_LEFT 0x00010093 |
| 208 | |
Jeremy Fitzhardinge | 4f5ca83 | 2011-11-23 00:49:14 -0800 | [diff] [blame] | 209 | #define HID_DC_BATTERYSTRENGTH 0x00060020 |
| 210 | |
Stephane Chatty | 89f536c | 2009-05-20 15:41:24 +0200 | [diff] [blame] | 211 | #define HID_DG_DIGITIZER 0x000d0001 |
| 212 | #define HID_DG_PEN 0x000d0002 |
| 213 | #define HID_DG_LIGHTPEN 0x000d0003 |
| 214 | #define HID_DG_TOUCHSCREEN 0x000d0004 |
| 215 | #define HID_DG_TOUCHPAD 0x000d0005 |
| 216 | #define HID_DG_STYLUS 0x000d0020 |
| 217 | #define HID_DG_PUCK 0x000d0021 |
| 218 | #define HID_DG_FINGER 0x000d0022 |
| 219 | #define HID_DG_TIPPRESSURE 0x000d0030 |
| 220 | #define HID_DG_BARRELPRESSURE 0x000d0031 |
| 221 | #define HID_DG_INRANGE 0x000d0032 |
| 222 | #define HID_DG_TOUCH 0x000d0033 |
| 223 | #define HID_DG_UNTOUCH 0x000d0034 |
| 224 | #define HID_DG_TAP 0x000d0035 |
| 225 | #define HID_DG_TABLETFUNCTIONKEY 0x000d0039 |
| 226 | #define HID_DG_PROGRAMCHANGEKEY 0x000d003a |
| 227 | #define HID_DG_INVERT 0x000d003c |
| 228 | #define HID_DG_TIPSWITCH 0x000d0042 |
| 229 | #define HID_DG_TIPSWITCH2 0x000d0043 |
| 230 | #define HID_DG_BARRELSWITCH 0x000d0044 |
| 231 | #define HID_DG_ERASER 0x000d0045 |
| 232 | #define HID_DG_TABLETPICK 0x000d0046 |
| 233 | /* |
| 234 | * as of May 20, 2009 the usages below are not yet in the official USB spec |
| 235 | * but are being pushed by Microsft as described in their paper "Digitizer |
| 236 | * Drivers for Windows Touch and Pen-Based Computers" |
| 237 | */ |
| 238 | #define HID_DG_CONFIDENCE 0x000d0047 |
| 239 | #define HID_DG_WIDTH 0x000d0048 |
| 240 | #define HID_DG_HEIGHT 0x000d0049 |
| 241 | #define HID_DG_CONTACTID 0x000d0051 |
| 242 | #define HID_DG_INPUTMODE 0x000d0052 |
| 243 | #define HID_DG_DEVICEINDEX 0x000d0053 |
| 244 | #define HID_DG_CONTACTCOUNT 0x000d0054 |
| 245 | #define HID_DG_CONTACTMAX 0x000d0055 |
| 246 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 247 | /* |
| 248 | * HID report types --- Ouch! HID spec says 1 2 3! |
| 249 | */ |
| 250 | |
| 251 | #define HID_INPUT_REPORT 0 |
| 252 | #define HID_OUTPUT_REPORT 1 |
| 253 | #define HID_FEATURE_REPORT 2 |
| 254 | |
David Herrmann | 39054a5 | 2013-09-02 14:00:05 +0200 | [diff] [blame] | 255 | #define HID_REPORT_TYPES 3 |
| 256 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 257 | /* |
Jiri Slaby | 93c1013 | 2008-06-27 00:04:24 +0200 | [diff] [blame] | 258 | * HID connect requests |
| 259 | */ |
| 260 | |
| 261 | #define HID_CONNECT_HIDINPUT 0x01 |
| 262 | #define HID_CONNECT_HIDINPUT_FORCE 0x02 |
| 263 | #define HID_CONNECT_HIDRAW 0x04 |
| 264 | #define HID_CONNECT_HIDDEV 0x08 |
| 265 | #define HID_CONNECT_HIDDEV_FORCE 0x10 |
| 266 | #define HID_CONNECT_FF 0x20 |
| 267 | #define HID_CONNECT_DEFAULT (HID_CONNECT_HIDINPUT|HID_CONNECT_HIDRAW| \ |
| 268 | HID_CONNECT_HIDDEV|HID_CONNECT_FF) |
| 269 | |
| 270 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 271 | * HID device quirks. |
| 272 | */ |
| 273 | |
Paul Walmsley | 876b927 | 2007-04-19 14:56:12 +0200 | [diff] [blame] | 274 | /* |
| 275 | * Increase this if you need to configure more HID quirks at module load time |
| 276 | */ |
| 277 | #define MAX_USBHID_BOOT_QUIRKS 4 |
| 278 | |
Michael Hanselmann | eab9edd | 2006-01-14 10:08:06 -0500 | [diff] [blame] | 279 | #define HID_QUIRK_INVERT 0x00000001 |
| 280 | #define HID_QUIRK_NOTOUCH 0x00000002 |
Jiri Kosina | 6f4303f | 2009-01-29 00:15:51 +0100 | [diff] [blame] | 281 | #define HID_QUIRK_IGNORE 0x00000004 |
Michael Hanselmann | eab9edd | 2006-01-14 10:08:06 -0500 | [diff] [blame] | 282 | #define HID_QUIRK_NOGET 0x00000008 |
Bastien Nocera | b5e5a37 | 2010-04-16 17:19:50 +0100 | [diff] [blame] | 283 | #define HID_QUIRK_HIDDEV_FORCE 0x00000010 |
Michael Hanselmann | eab9edd | 2006-01-14 10:08:06 -0500 | [diff] [blame] | 284 | #define HID_QUIRK_BADPAD 0x00000020 |
| 285 | #define HID_QUIRK_MULTI_INPUT 0x00000040 |
Daniel Mack | 3a343ee | 2010-07-12 19:28:27 +0200 | [diff] [blame] | 286 | #define HID_QUIRK_HIDINPUT_FORCE 0x00000080 |
Benjamin Tissoires | 4f22dec | 2013-03-22 18:38:28 +0100 | [diff] [blame] | 287 | #define HID_QUIRK_NO_EMPTY_INPUT 0x00000100 |
Benjamin Tissoires | 595e927 | 2013-08-22 14:51:09 +0200 | [diff] [blame] | 288 | #define HID_QUIRK_NO_INIT_INPUT_REPORTS 0x00000200 |
Jiri Kosina | ea9a4a8 | 2007-06-19 14:09:14 +0200 | [diff] [blame] | 289 | #define HID_QUIRK_SKIP_OUTPUT_REPORTS 0x00010000 |
Pekka Sarnila | f345c37 | 2008-03-06 13:23:14 +0100 | [diff] [blame] | 290 | #define HID_QUIRK_FULLSPEED_INTERVAL 0x10000000 |
Jiri Kosina | 5b915d9 | 2009-11-05 14:08:03 +0100 | [diff] [blame] | 291 | #define HID_QUIRK_NO_INIT_REPORTS 0x20000000 |
Bastien Nocera | b5e5a37 | 2010-04-16 17:19:50 +0100 | [diff] [blame] | 292 | #define HID_QUIRK_NO_IGNORE 0x40000000 |
Henrik Rydberg | 24750f3 | 2010-08-24 10:54:44 +0200 | [diff] [blame] | 293 | #define HID_QUIRK_NO_INPUT_SYNC 0x80000000 |
Jiri Kosina | ea9a4a8 | 2007-06-19 14:09:14 +0200 | [diff] [blame] | 294 | |
| 295 | /* |
Henrik Rydberg | 734c660 | 2012-04-23 12:07:03 +0200 | [diff] [blame] | 296 | * HID device groups |
| 297 | */ |
| 298 | #define HID_GROUP_GENERIC 0x0001 |
Henrik Rydberg | 4fa3a58 | 2012-05-01 08:40:01 +0200 | [diff] [blame] | 299 | #define HID_GROUP_MULTITOUCH 0x0002 |
Alexander Holler | 83499b5 | 2012-12-09 12:44:30 +0100 | [diff] [blame] | 300 | #define HID_GROUP_SENSOR_HUB 0x0003 |
Benjamin Tissoires | f961bd3 | 2013-08-22 14:51:08 +0200 | [diff] [blame] | 301 | #define HID_GROUP_MULTITOUCH_WIN_8 0x0004 |
Henrik Rydberg | 734c660 | 2012-04-23 12:07:03 +0200 | [diff] [blame] | 302 | |
| 303 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 304 | * This is the global environment of the parser. This information is |
| 305 | * persistent for main-items. The global environment can be saved and |
| 306 | * restored with PUSH/POP statements. |
| 307 | */ |
| 308 | |
| 309 | struct hid_global { |
| 310 | unsigned usage_page; |
| 311 | __s32 logical_minimum; |
| 312 | __s32 logical_maximum; |
| 313 | __s32 physical_minimum; |
| 314 | __s32 physical_maximum; |
| 315 | __s32 unit_exponent; |
| 316 | unsigned unit; |
| 317 | unsigned report_id; |
| 318 | unsigned report_size; |
| 319 | unsigned report_count; |
| 320 | }; |
| 321 | |
| 322 | /* |
| 323 | * This is the local environment. It is persistent up the next main-item. |
| 324 | */ |
| 325 | |
Jiri Kosina | 5f1ab74 | 2008-03-14 16:53:07 +0100 | [diff] [blame] | 326 | #define HID_MAX_USAGES 12288 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 327 | #define HID_DEFAULT_NUM_COLLECTIONS 16 |
| 328 | |
| 329 | struct hid_local { |
| 330 | unsigned usage[HID_MAX_USAGES]; /* usage array */ |
| 331 | unsigned collection_index[HID_MAX_USAGES]; /* collection index array */ |
| 332 | unsigned usage_index; |
| 333 | unsigned usage_minimum; |
| 334 | unsigned delimiter_depth; |
| 335 | unsigned delimiter_branch; |
| 336 | }; |
| 337 | |
| 338 | /* |
| 339 | * This is the collection stack. We climb up the stack to determine |
| 340 | * application and function of each field. |
| 341 | */ |
| 342 | |
| 343 | struct hid_collection { |
| 344 | unsigned type; |
| 345 | unsigned usage; |
| 346 | unsigned level; |
| 347 | }; |
| 348 | |
| 349 | struct hid_usage { |
| 350 | unsigned hid; /* hid usage code */ |
| 351 | unsigned collection_index; /* index into collection array */ |
Benjamin Tissoires | f262d1f | 2012-11-14 16:59:16 +0100 | [diff] [blame] | 352 | unsigned usage_index; /* index into usage array */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 353 | /* hidinput data */ |
| 354 | __u16 code; /* input driver code */ |
| 355 | __u8 type; /* input driver type */ |
| 356 | __s8 hat_min; /* hat switch fun */ |
| 357 | __s8 hat_max; /* ditto */ |
| 358 | __s8 hat_dir; /* ditto */ |
| 359 | }; |
| 360 | |
| 361 | struct hid_input; |
| 362 | |
| 363 | struct hid_field { |
| 364 | unsigned physical; /* physical usage for this field */ |
| 365 | unsigned logical; /* logical usage for this field */ |
| 366 | unsigned application; /* application usage for this field */ |
| 367 | struct hid_usage *usage; /* usage table for this function */ |
| 368 | unsigned maxusage; /* maximum usage index */ |
| 369 | unsigned flags; /* main-item flags (i.e. volatile,array,constant) */ |
| 370 | unsigned report_offset; /* bit offset in the report */ |
| 371 | unsigned report_size; /* size of this field in the report */ |
| 372 | unsigned report_count; /* number of this field in the report */ |
| 373 | unsigned report_type; /* (input,output,feature) */ |
| 374 | __s32 *value; /* last known value(s) */ |
| 375 | __s32 logical_minimum; |
| 376 | __s32 logical_maximum; |
| 377 | __s32 physical_minimum; |
| 378 | __s32 physical_maximum; |
| 379 | __s32 unit_exponent; |
| 380 | unsigned unit; |
| 381 | struct hid_report *report; /* associated report */ |
| 382 | unsigned index; /* index into report->field[] */ |
| 383 | /* hidinput data */ |
| 384 | struct hid_input *hidinput; /* associated input structure */ |
| 385 | __u16 dpad; /* dpad input code */ |
| 386 | }; |
| 387 | |
Henrik Rydberg | 7e55bde | 2012-09-03 12:28:59 +0200 | [diff] [blame] | 388 | #define HID_MAX_FIELDS 256 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 389 | |
| 390 | struct hid_report { |
| 391 | struct list_head list; |
| 392 | unsigned id; /* id of this report */ |
| 393 | unsigned type; /* report type */ |
| 394 | struct hid_field *field[HID_MAX_FIELDS]; /* fields of the report */ |
| 395 | unsigned maxfield; /* maximum valid field index */ |
| 396 | unsigned size; /* size of the report (bits) */ |
| 397 | struct hid_device *device; /* associated device */ |
| 398 | }; |
| 399 | |
Kees Cook | 4362202 | 2013-08-28 22:29:55 +0200 | [diff] [blame] | 400 | #define HID_MAX_IDS 256 |
| 401 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 402 | struct hid_report_enum { |
| 403 | unsigned numbered; |
| 404 | struct list_head report_list; |
Kees Cook | 4362202 | 2013-08-28 22:29:55 +0200 | [diff] [blame] | 405 | struct hid_report *report_id_hash[HID_MAX_IDS]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 406 | }; |
| 407 | |
Michael Haboustak | bf0964d | 2005-09-05 00:12:01 -0500 | [diff] [blame] | 408 | #define HID_MIN_BUFFER_SIZE 64 /* make sure there is at least a packet size of space */ |
| 409 | #define HID_MAX_BUFFER_SIZE 4096 /* 4kb */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 410 | #define HID_CONTROL_FIFO_SIZE 256 /* to init devices with >100 reports */ |
| 411 | #define HID_OUTPUT_FIFO_SIZE 64 |
| 412 | |
| 413 | struct hid_control_fifo { |
| 414 | unsigned char dir; |
| 415 | struct hid_report *report; |
Anssi Hannula | f129ea6 | 2008-10-04 14:44:06 +0200 | [diff] [blame] | 416 | char *raw_report; |
| 417 | }; |
| 418 | |
| 419 | struct hid_output_fifo { |
| 420 | struct hid_report *report; |
| 421 | char *raw_report; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 422 | }; |
| 423 | |
| 424 | #define HID_CLAIMED_INPUT 1 |
| 425 | #define HID_CLAIMED_HIDDEV 2 |
Jiri Kosina | 86166b7 | 2007-05-14 09:57:40 +0200 | [diff] [blame] | 426 | #define HID_CLAIMED_HIDRAW 4 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 427 | |
Jiri Slaby | 85cdaf5 | 2008-05-16 11:49:15 +0200 | [diff] [blame] | 428 | #define HID_STAT_ADDED 1 |
Jiri Slaby | c500c97 | 2008-05-16 11:49:16 +0200 | [diff] [blame] | 429 | #define HID_STAT_PARSED 2 |
Jiri Slaby | 85cdaf5 | 2008-05-16 11:49:15 +0200 | [diff] [blame] | 430 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 431 | struct hid_input { |
| 432 | struct list_head list; |
| 433 | struct hid_report *report; |
Dmitry Torokhov | c5b7c7c | 2005-09-15 02:01:47 -0500 | [diff] [blame] | 434 | struct input_dev *input; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 435 | }; |
| 436 | |
Jiri Slaby | a73a637 | 2008-10-22 14:45:11 +0200 | [diff] [blame] | 437 | enum hid_type { |
| 438 | HID_TYPE_OTHER = 0, |
Tomoki Sekiyama | 6dc1418 | 2011-05-23 15:45:44 -0700 | [diff] [blame] | 439 | HID_TYPE_USBMOUSE, |
| 440 | HID_TYPE_USBNONE |
Jiri Slaby | a73a637 | 2008-10-22 14:45:11 +0200 | [diff] [blame] | 441 | }; |
| 442 | |
Jiri Slaby | 85cdaf5 | 2008-05-16 11:49:15 +0200 | [diff] [blame] | 443 | struct hid_driver; |
Jiri Slaby | c500c97 | 2008-05-16 11:49:16 +0200 | [diff] [blame] | 444 | struct hid_ll_driver; |
Jiri Slaby | 85cdaf5 | 2008-05-16 11:49:15 +0200 | [diff] [blame] | 445 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 446 | struct hid_device { /* device report descriptor */ |
Henrik Rydberg | a7197c2e | 2012-04-22 14:21:40 +0200 | [diff] [blame] | 447 | __u8 *dev_rdesc; |
| 448 | unsigned dev_rsize; |
Jiri Slaby | 85cdaf5 | 2008-05-16 11:49:15 +0200 | [diff] [blame] | 449 | __u8 *rdesc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 450 | unsigned rsize; |
| 451 | struct hid_collection *collection; /* List of HID collections */ |
| 452 | unsigned collection_size; /* Number of allocated hid_collections */ |
| 453 | unsigned maxcollection; /* Number of parsed collections */ |
| 454 | unsigned maxapplication; /* Number of applications */ |
Jiri Slaby | 85cdaf5 | 2008-05-16 11:49:15 +0200 | [diff] [blame] | 455 | __u16 bus; /* BUS ID */ |
Henrik Rydberg | 4d53b80 | 2012-04-23 12:07:02 +0200 | [diff] [blame] | 456 | __u16 group; /* Report group */ |
Jiri Slaby | 85cdaf5 | 2008-05-16 11:49:15 +0200 | [diff] [blame] | 457 | __u32 vendor; /* Vendor ID */ |
| 458 | __u32 product; /* Product ID */ |
| 459 | __u32 version; /* HID version */ |
Jiri Slaby | a73a637 | 2008-10-22 14:45:11 +0200 | [diff] [blame] | 460 | enum hid_type type; /* device type (mouse, kbd, ...) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 461 | unsigned country; /* HID country */ |
| 462 | struct hid_report_enum report_enum[HID_REPORT_TYPES]; |
David Herrmann | 50c9d75 | 2013-07-15 19:10:12 +0200 | [diff] [blame] | 463 | struct work_struct led_work; /* delayed LED worker */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 464 | |
Andrew de los Reyes | c849a61 | 2013-02-18 09:20:21 -0800 | [diff] [blame] | 465 | struct semaphore driver_lock; /* protects the current driver, except during input */ |
| 466 | struct semaphore driver_input_lock; /* protects the current driver */ |
Jiri Slaby | 85cdaf5 | 2008-05-16 11:49:15 +0200 | [diff] [blame] | 467 | struct device dev; /* device */ |
| 468 | struct hid_driver *driver; |
Jiri Slaby | c500c97 | 2008-05-16 11:49:16 +0200 | [diff] [blame] | 469 | struct hid_ll_driver *ll_driver; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 470 | |
Jeremy Fitzhardinge | 4f5ca83 | 2011-11-23 00:49:14 -0800 | [diff] [blame] | 471 | #ifdef CONFIG_HID_BATTERY_STRENGTH |
| 472 | /* |
| 473 | * Power supply information for HID devices which report |
| 474 | * battery strength. power_supply is registered iff |
| 475 | * battery.name is non-NULL. |
| 476 | */ |
| 477 | struct power_supply battery; |
| 478 | __s32 battery_min; |
| 479 | __s32 battery_max; |
Jeremy Fitzhardinge | fb8ac91b | 2011-12-02 11:18:45 -0800 | [diff] [blame] | 480 | __s32 battery_report_type; |
Daniel Nicoletti | c5a92aa | 2011-12-02 03:52:22 -0200 | [diff] [blame] | 481 | __s32 battery_report_id; |
Jeremy Fitzhardinge | 4f5ca83 | 2011-11-23 00:49:14 -0800 | [diff] [blame] | 482 | #endif |
| 483 | |
Jiri Slaby | 85cdaf5 | 2008-05-16 11:49:15 +0200 | [diff] [blame] | 484 | unsigned int status; /* see STAT flags above */ |
Dmitry Torokhov | 05f091ab | 2005-05-29 02:29:01 -0500 | [diff] [blame] | 485 | unsigned claimed; /* Claimed by hidinput, hiddev? */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 486 | unsigned quirks; /* Various quirks the device can pull on us */ |
Andrew de los Reyes | c849a61 | 2013-02-18 09:20:21 -0800 | [diff] [blame] | 487 | bool io_started; /* Protected by driver_lock. If IO has started */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 488 | |
| 489 | struct list_head inputs; /* The list of inputs */ |
| 490 | void *hiddev; /* The hiddev structure */ |
Jiri Kosina | 86166b7 | 2007-05-14 09:57:40 +0200 | [diff] [blame] | 491 | void *hidraw; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 492 | int minor; /* Hiddev minor number */ |
| 493 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 494 | int open; /* is the device open by anyone? */ |
| 495 | char name[128]; /* Device name */ |
| 496 | char phys[64]; /* Device physical location */ |
| 497 | char uniq[64]; /* Device unique identifier (serial #) */ |
| 498 | |
Jiri Kosina | 229695e | 2006-12-08 18:40:53 +0100 | [diff] [blame] | 499 | void *driver_data; |
| 500 | |
Jiri Slaby | 93c1013 | 2008-06-27 00:04:24 +0200 | [diff] [blame] | 501 | /* temporary hid_ff handling (until moved to the drivers) */ |
| 502 | int (*ff_init)(struct hid_device *); |
| 503 | |
Jiri Kosina | aa938f7 | 2006-12-08 18:41:10 +0100 | [diff] [blame] | 504 | /* hiddev event handler */ |
Jiri Slaby | 93c1013 | 2008-06-27 00:04:24 +0200 | [diff] [blame] | 505 | int (*hiddev_connect)(struct hid_device *, unsigned int); |
Jiri Kosina | c4c259b | 2009-09-15 16:27:45 +0200 | [diff] [blame] | 506 | void (*hiddev_disconnect)(struct hid_device *); |
Jiri Kosina | aa938f7 | 2006-12-08 18:41:10 +0100 | [diff] [blame] | 507 | void (*hiddev_hid_event) (struct hid_device *, struct hid_field *field, |
| 508 | struct hid_usage *, __s32); |
Jiri Kosina | aa8de2f | 2006-12-08 18:41:17 +0100 | [diff] [blame] | 509 | void (*hiddev_report_event) (struct hid_device *, struct hid_report *); |
Jiri Kosina | 86166b7 | 2007-05-14 09:57:40 +0200 | [diff] [blame] | 510 | |
Alan Ott | b4dbde9 | 2011-01-18 03:04:39 -0500 | [diff] [blame] | 511 | /* handler for raw input (Get_Report) data, used by hidraw */ |
| 512 | int (*hid_get_raw_report) (struct hid_device *, unsigned char, __u8 *, size_t, unsigned char); |
| 513 | |
Jiri Kosina | 86166b7 | 2007-05-14 09:57:40 +0200 | [diff] [blame] | 514 | /* handler for raw output data, used by hidraw */ |
Jiri Kosina | d4bfa03 | 2010-01-29 15:03:36 +0100 | [diff] [blame] | 515 | int (*hid_output_raw_report) (struct hid_device *, __u8 *, size_t, unsigned char); |
Jiri Kosina | cd667ce | 2009-06-12 15:20:57 +0200 | [diff] [blame] | 516 | |
| 517 | /* debugging support via debugfs */ |
| 518 | unsigned short debug; |
| 519 | struct dentry *debug_dir; |
| 520 | struct dentry *debug_rdesc; |
| 521 | struct dentry *debug_events; |
| 522 | struct list_head debug_list; |
Jiri Kosina | 1deb9d3 | 2013-05-06 13:05:50 +0200 | [diff] [blame] | 523 | spinlock_t debug_list_lock; |
Jiri Kosina | cd667ce | 2009-06-12 15:20:57 +0200 | [diff] [blame] | 524 | wait_queue_head_t debug_wait; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 525 | }; |
| 526 | |
Jiri Slaby | 85cdaf5 | 2008-05-16 11:49:15 +0200 | [diff] [blame] | 527 | static inline void *hid_get_drvdata(struct hid_device *hdev) |
| 528 | { |
| 529 | return dev_get_drvdata(&hdev->dev); |
| 530 | } |
| 531 | |
| 532 | static inline void hid_set_drvdata(struct hid_device *hdev, void *data) |
| 533 | { |
| 534 | dev_set_drvdata(&hdev->dev, data); |
| 535 | } |
| 536 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 537 | #define HID_GLOBAL_STACK_SIZE 4 |
| 538 | #define HID_COLLECTION_STACK_SIZE 4 |
| 539 | |
Benjamin Tissoires | f961bd3 | 2013-08-22 14:51:08 +0200 | [diff] [blame] | 540 | #define HID_SCAN_FLAG_MT_WIN_8 0x00000001 |
| 541 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 542 | struct hid_parser { |
| 543 | struct hid_global global; |
| 544 | struct hid_global global_stack[HID_GLOBAL_STACK_SIZE]; |
| 545 | unsigned global_stack_ptr; |
| 546 | struct hid_local local; |
| 547 | unsigned collection_stack[HID_COLLECTION_STACK_SIZE]; |
| 548 | unsigned collection_stack_ptr; |
| 549 | struct hid_device *device; |
Benjamin Tissoires | f961bd3 | 2013-08-22 14:51:08 +0200 | [diff] [blame] | 550 | unsigned scan_flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 551 | }; |
| 552 | |
| 553 | struct hid_class_descriptor { |
| 554 | __u8 bDescriptorType; |
Al Viro | 01d7b36 | 2008-04-28 07:00:05 +0100 | [diff] [blame] | 555 | __le16 wDescriptorLength; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 556 | } __attribute__ ((packed)); |
| 557 | |
| 558 | struct hid_descriptor { |
| 559 | __u8 bLength; |
| 560 | __u8 bDescriptorType; |
Al Viro | 01d7b36 | 2008-04-28 07:00:05 +0100 | [diff] [blame] | 561 | __le16 bcdHID; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 562 | __u8 bCountryCode; |
| 563 | __u8 bNumDescriptors; |
| 564 | |
| 565 | struct hid_class_descriptor desc[1]; |
| 566 | } __attribute__ ((packed)); |
| 567 | |
Henrik Rydberg | 070748e | 2012-04-23 12:07:05 +0200 | [diff] [blame] | 568 | #define HID_DEVICE(b, g, ven, prod) \ |
| 569 | .bus = (b), .group = (g), .vendor = (ven), .product = (prod) |
| 570 | #define HID_USB_DEVICE(ven, prod) \ |
| 571 | .bus = BUS_USB, .vendor = (ven), .product = (prod) |
| 572 | #define HID_BLUETOOTH_DEVICE(ven, prod) \ |
| 573 | .bus = BUS_BLUETOOTH, .vendor = (ven), .product = (prod) |
Jiri Slaby | 85cdaf5 | 2008-05-16 11:49:15 +0200 | [diff] [blame] | 574 | |
| 575 | #define HID_REPORT_ID(rep) \ |
| 576 | .report_type = (rep) |
| 577 | #define HID_USAGE_ID(uhid, utype, ucode) \ |
| 578 | .usage_hid = (uhid), .usage_type = (utype), .usage_code = (ucode) |
| 579 | /* we don't want to catch types and codes equal to 0 */ |
| 580 | #define HID_TERMINATOR (HID_ANY_ID - 1) |
| 581 | |
| 582 | struct hid_report_id { |
| 583 | __u32 report_type; |
| 584 | }; |
| 585 | struct hid_usage_id { |
| 586 | __u32 usage_hid; |
| 587 | __u32 usage_type; |
| 588 | __u32 usage_code; |
| 589 | }; |
| 590 | |
| 591 | /** |
| 592 | * struct hid_driver |
| 593 | * @name: driver name (e.g. "Footech_bar-wheel") |
| 594 | * @id_table: which devices is this driver for (must be non-NULL for probe |
| 595 | * to be called) |
Jiri Slaby | 3a6f82f | 2008-11-24 16:20:09 +0100 | [diff] [blame] | 596 | * @dyn_list: list of dynamically added device ids |
| 597 | * @dyn_lock: lock protecting @dyn_list |
Jiri Slaby | 85cdaf5 | 2008-05-16 11:49:15 +0200 | [diff] [blame] | 598 | * @probe: new device inserted |
| 599 | * @remove: device removed (NULL if not a hot-plug capable driver) |
| 600 | * @report_table: on which reports to call raw_event (NULL means all) |
| 601 | * @raw_event: if report in report_table, this hook is called (NULL means nop) |
| 602 | * @usage_table: on which events to call event (NULL means all) |
| 603 | * @event: if usage in usage_table, this hook is called (NULL means nop) |
Benjamin Tissoires | 6d85d03 | 2013-01-31 17:22:23 +0100 | [diff] [blame] | 604 | * @report: this hook is called after parsing a report (NULL means nop) |
Jiri Slaby | c500c97 | 2008-05-16 11:49:16 +0200 | [diff] [blame] | 605 | * @report_fixup: called before report descriptor parsing (NULL means nop) |
| 606 | * @input_mapping: invoked on input registering before mapping an usage |
| 607 | * @input_mapped: invoked on input registering after mapping an usage |
Henrik Rydberg | 9ebf3d7 | 2012-07-30 13:28:18 +0200 | [diff] [blame] | 608 | * @input_configured: invoked just before the device is registered |
Benjamin Tissoires | 0d2689c | 2011-01-07 23:44:32 +0100 | [diff] [blame] | 609 | * @feature_mapping: invoked on feature registering |
Bruno Prémont | 6a740aa | 2010-04-25 21:40:03 +0200 | [diff] [blame] | 610 | * @suspend: invoked on suspend (NULL means nop) |
| 611 | * @resume: invoked on resume if device was not reset (NULL means nop) |
| 612 | * @reset_resume: invoked on resume if device was reset (NULL means nop) |
Jiri Slaby | 85cdaf5 | 2008-05-16 11:49:15 +0200 | [diff] [blame] | 613 | * |
Andrew de los Reyes | c849a61 | 2013-02-18 09:20:21 -0800 | [diff] [blame] | 614 | * probe should return -errno on error, or 0 on success. During probe, |
| 615 | * input will not be passed to raw_event unless hid_device_io_start is |
| 616 | * called. |
| 617 | * |
Jiri Slaby | 85cdaf5 | 2008-05-16 11:49:15 +0200 | [diff] [blame] | 618 | * raw_event and event should return 0 on no action performed, 1 when no |
| 619 | * further processing should be done and negative on error |
Jiri Slaby | c500c97 | 2008-05-16 11:49:16 +0200 | [diff] [blame] | 620 | * |
| 621 | * input_mapping shall return a negative value to completely ignore this usage |
| 622 | * (e.g. doubled or invalid usage), zero to continue with parsing of this |
| 623 | * usage by generic code (no special handling needed) or positive to skip |
| 624 | * generic parsing (needed special handling which was done in the hook already) |
| 625 | * input_mapped shall return negative to inform the layer that this usage |
| 626 | * should not be considered for further processing or zero to notify that |
| 627 | * no processing was performed and should be done in a generic manner |
| 628 | * Both these functions may be NULL which means the same behavior as returning |
| 629 | * zero from them. |
Jiri Slaby | 85cdaf5 | 2008-05-16 11:49:15 +0200 | [diff] [blame] | 630 | */ |
| 631 | struct hid_driver { |
| 632 | char *name; |
| 633 | const struct hid_device_id *id_table; |
| 634 | |
Jiri Slaby | 3a6f82f | 2008-11-24 16:20:09 +0100 | [diff] [blame] | 635 | struct list_head dyn_list; |
| 636 | spinlock_t dyn_lock; |
| 637 | |
Jiri Slaby | 85cdaf5 | 2008-05-16 11:49:15 +0200 | [diff] [blame] | 638 | int (*probe)(struct hid_device *dev, const struct hid_device_id *id); |
| 639 | void (*remove)(struct hid_device *dev); |
| 640 | |
| 641 | const struct hid_report_id *report_table; |
| 642 | int (*raw_event)(struct hid_device *hdev, struct hid_report *report, |
| 643 | u8 *data, int size); |
| 644 | const struct hid_usage_id *usage_table; |
| 645 | int (*event)(struct hid_device *hdev, struct hid_field *field, |
| 646 | struct hid_usage *usage, __s32 value); |
Benjamin Tissoires | 6d85d03 | 2013-01-31 17:22:23 +0100 | [diff] [blame] | 647 | void (*report)(struct hid_device *hdev, struct hid_report *report); |
Jiri Slaby | c500c97 | 2008-05-16 11:49:16 +0200 | [diff] [blame] | 648 | |
Nikolai Kondrashov | 73e4008 | 2010-08-06 23:03:06 +0400 | [diff] [blame] | 649 | __u8 *(*report_fixup)(struct hid_device *hdev, __u8 *buf, |
| 650 | unsigned int *size); |
Jiri Slaby | c500c97 | 2008-05-16 11:49:16 +0200 | [diff] [blame] | 651 | |
| 652 | int (*input_mapping)(struct hid_device *hdev, |
| 653 | struct hid_input *hidinput, struct hid_field *field, |
| 654 | struct hid_usage *usage, unsigned long **bit, int *max); |
| 655 | int (*input_mapped)(struct hid_device *hdev, |
| 656 | struct hid_input *hidinput, struct hid_field *field, |
| 657 | struct hid_usage *usage, unsigned long **bit, int *max); |
Henrik Rydberg | 9ebf3d7 | 2012-07-30 13:28:18 +0200 | [diff] [blame] | 658 | void (*input_configured)(struct hid_device *hdev, |
| 659 | struct hid_input *hidinput); |
Benjamin Tissoires | 0d2689c | 2011-01-07 23:44:32 +0100 | [diff] [blame] | 660 | void (*feature_mapping)(struct hid_device *hdev, |
Henrik Rydberg | f635bd1 | 2011-02-24 19:30:59 +0100 | [diff] [blame] | 661 | struct hid_field *field, |
Benjamin Tissoires | 0d2689c | 2011-01-07 23:44:32 +0100 | [diff] [blame] | 662 | struct hid_usage *usage); |
Bruno Prémont | 6a740aa | 2010-04-25 21:40:03 +0200 | [diff] [blame] | 663 | #ifdef CONFIG_PM |
| 664 | int (*suspend)(struct hid_device *hdev, pm_message_t message); |
| 665 | int (*resume)(struct hid_device *hdev); |
| 666 | int (*reset_resume)(struct hid_device *hdev); |
| 667 | #endif |
Jiri Slaby | 85cdaf5 | 2008-05-16 11:49:15 +0200 | [diff] [blame] | 668 | /* private: */ |
| 669 | struct device_driver driver; |
| 670 | }; |
| 671 | |
Jiri Slaby | c500c97 | 2008-05-16 11:49:16 +0200 | [diff] [blame] | 672 | /** |
| 673 | * hid_ll_driver - low level driver callbacks |
| 674 | * @start: called on probe to start the device |
| 675 | * @stop: called on remove |
| 676 | * @open: called by input layer on open |
| 677 | * @close: called by input layer on close |
| 678 | * @hidinput_input_event: event input event (e.g. ff or leds) |
| 679 | * @parse: this method is called only once to parse the device data, |
| 680 | * shouldn't allocate anything to not leak memory |
Henrik Rydberg | e90a6df | 2013-02-25 11:31:43 +0100 | [diff] [blame] | 681 | * @request: send report request to device (e.g. feature report) |
Henrik Rydberg | 3373443 | 2013-02-25 11:31:44 +0100 | [diff] [blame] | 682 | * @wait: wait for buffered io to complete (send/recv reports) |
Benjamin Tissoires | 9684819 | 2013-02-27 16:38:17 +0100 | [diff] [blame] | 683 | * @idle: send idle request to device |
Jiri Slaby | c500c97 | 2008-05-16 11:49:16 +0200 | [diff] [blame] | 684 | */ |
| 685 | struct hid_ll_driver { |
| 686 | int (*start)(struct hid_device *hdev); |
| 687 | void (*stop)(struct hid_device *hdev); |
| 688 | |
| 689 | int (*open)(struct hid_device *hdev); |
| 690 | void (*close)(struct hid_device *hdev); |
| 691 | |
Oliver Neukum | 0361a28 | 2008-12-17 15:38:03 +0100 | [diff] [blame] | 692 | int (*power)(struct hid_device *hdev, int level); |
| 693 | |
Jiri Slaby | c500c97 | 2008-05-16 11:49:16 +0200 | [diff] [blame] | 694 | int (*hidinput_input_event) (struct input_dev *idev, unsigned int type, |
| 695 | unsigned int code, int value); |
| 696 | |
| 697 | int (*parse)(struct hid_device *hdev); |
Henrik Rydberg | e90a6df | 2013-02-25 11:31:43 +0100 | [diff] [blame] | 698 | |
| 699 | void (*request)(struct hid_device *hdev, |
| 700 | struct hid_report *report, int reqtype); |
| 701 | |
Henrik Rydberg | 3373443 | 2013-02-25 11:31:44 +0100 | [diff] [blame] | 702 | int (*wait)(struct hid_device *hdev); |
Benjamin Tissoires | 9684819 | 2013-02-27 16:38:17 +0100 | [diff] [blame] | 703 | int (*idle)(struct hid_device *hdev, int report, int idle, int reqtype); |
Henrik Rydberg | 3373443 | 2013-02-25 11:31:44 +0100 | [diff] [blame] | 704 | |
Jiri Slaby | c500c97 | 2008-05-16 11:49:16 +0200 | [diff] [blame] | 705 | }; |
| 706 | |
Oliver Neukum | 0361a28 | 2008-12-17 15:38:03 +0100 | [diff] [blame] | 707 | #define PM_HINT_FULLON 1<<5 |
| 708 | #define PM_HINT_NORMAL 1<<1 |
| 709 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 710 | /* Applications from HID Usage Tables 4/8/99 Version 1.1 */ |
| 711 | /* We ignore a few input applications that are not widely used */ |
Stephane Chatty | 8b0e58a | 2010-01-13 21:52:34 +0100 | [diff] [blame] | 712 | #define IS_INPUT_APPLICATION(a) (((a >= 0x00010000) && (a <= 0x00010008)) || (a == 0x00010080) || (a == 0x000c0001) || ((a >= 0x000d0002) && (a <= 0x000d0006))) |
Jiri Kosina | 229695e | 2006-12-08 18:40:53 +0100 | [diff] [blame] | 713 | |
| 714 | /* HID core API */ |
Jiri Kosina | 58037eb | 2007-05-30 15:07:13 +0200 | [diff] [blame] | 715 | |
Jiri Kosina | 58037eb | 2007-05-30 15:07:13 +0200 | [diff] [blame] | 716 | extern int hid_debug; |
Jiri Kosina | 58037eb | 2007-05-30 15:07:13 +0200 | [diff] [blame] | 717 | |
Lamarque V. Souza | 4529eef | 2012-12-06 12:39:55 -0200 | [diff] [blame] | 718 | extern bool hid_ignore(struct hid_device *); |
Jiri Slaby | 85cdaf5 | 2008-05-16 11:49:15 +0200 | [diff] [blame] | 719 | extern int hid_add_device(struct hid_device *); |
| 720 | extern void hid_destroy_device(struct hid_device *); |
| 721 | |
| 722 | extern int __must_check __hid_register_driver(struct hid_driver *, |
| 723 | struct module *, const char *mod_name); |
Paul Gortmaker | eb5589a | 2011-05-27 09:02:11 -0400 | [diff] [blame] | 724 | |
| 725 | /* use a define to avoid include chaining to get THIS_MODULE & friends */ |
| 726 | #define hid_register_driver(driver) \ |
| 727 | __hid_register_driver(driver, THIS_MODULE, KBUILD_MODNAME) |
| 728 | |
Jiri Slaby | 85cdaf5 | 2008-05-16 11:49:15 +0200 | [diff] [blame] | 729 | extern void hid_unregister_driver(struct hid_driver *); |
| 730 | |
H Hartley Sweeten | 4d02c58 | 2012-12-17 15:26:55 -0700 | [diff] [blame] | 731 | /** |
| 732 | * module_hid_driver() - Helper macro for registering a HID driver |
| 733 | * @__hid_driver: hid_driver struct |
| 734 | * |
| 735 | * Helper macro for HID drivers which do not do anything special in module |
| 736 | * init/exit. This eliminates a lot of boilerplate. Each module may only |
| 737 | * use this macro once, and calling it replaces module_init() and module_exit() |
| 738 | */ |
| 739 | #define module_hid_driver(__hid_driver) \ |
| 740 | module_driver(__hid_driver, hid_register_driver, \ |
| 741 | hid_unregister_driver) |
| 742 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 743 | extern void hidinput_hid_event(struct hid_device *, struct hid_field *, struct hid_usage *, __s32); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 744 | extern void hidinput_report_event(struct hid_device *hid, struct hid_report *report); |
Jiri Slaby | 93c1013 | 2008-06-27 00:04:24 +0200 | [diff] [blame] | 745 | extern int hidinput_connect(struct hid_device *hid, unsigned int force); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 746 | extern void hidinput_disconnect(struct hid_device *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 747 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 748 | int hid_set_field(struct hid_field *, unsigned, __s32); |
Jiri Kosina | aa8de2f | 2006-12-08 18:41:17 +0100 | [diff] [blame] | 749 | int hid_input_report(struct hid_device *, int type, u8 *, int, int); |
Jiri Kosina | dde5845 | 2006-12-08 18:40:44 +0100 | [diff] [blame] | 750 | int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field); |
Daniel Kurtz | 4371ea8 | 2011-11-17 19:23:50 +0800 | [diff] [blame] | 751 | struct hid_field *hidinput_get_led_field(struct hid_device *hid); |
| 752 | unsigned int hidinput_count_leds(struct hid_device *hid); |
Benjamin Tissoires | 37cf6e6 | 2012-11-14 16:59:13 +0100 | [diff] [blame] | 753 | __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code); |
Jiri Kosina | dde5845 | 2006-12-08 18:40:44 +0100 | [diff] [blame] | 754 | void hid_output_report(struct hid_report *report, __u8 *data); |
Jiri Kosina | 27ce405 | 2013-07-10 19:56:27 +0200 | [diff] [blame] | 755 | u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags); |
Jiri Slaby | 85cdaf5 | 2008-05-16 11:49:15 +0200 | [diff] [blame] | 756 | struct hid_device *hid_allocate_device(void); |
Michael Poole | 90a006a | 2010-01-24 22:32:29 -0500 | [diff] [blame] | 757 | struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id); |
Jiri Slaby | 85cdaf5 | 2008-05-16 11:49:15 +0200 | [diff] [blame] | 758 | int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size); |
Henrik Rydberg | a7197c2e | 2012-04-22 14:21:40 +0200 | [diff] [blame] | 759 | int hid_open_report(struct hid_device *device); |
Oliver Neukum | 0361a28 | 2008-12-17 15:38:03 +0100 | [diff] [blame] | 760 | int hid_check_keys_pressed(struct hid_device *hid); |
Jiri Slaby | 93c1013 | 2008-06-27 00:04:24 +0200 | [diff] [blame] | 761 | int hid_connect(struct hid_device *hid, unsigned int connect_mask); |
Jiri Kosina | c4c259b | 2009-09-15 16:27:45 +0200 | [diff] [blame] | 762 | void hid_disconnect(struct hid_device *hid); |
Jeremy Fitzhardinge | bbc21cf | 2011-12-02 11:12:36 -0800 | [diff] [blame] | 763 | const struct hid_device_id *hid_match_id(struct hid_device *hdev, |
| 764 | const struct hid_device_id *id); |
Benjamin Tissoires | 7746383 | 2012-11-14 16:59:15 +0100 | [diff] [blame] | 765 | s32 hid_snto32(__u32 value, unsigned n); |
Jiri Slaby | 85cdaf5 | 2008-05-16 11:49:15 +0200 | [diff] [blame] | 766 | |
Jiri Slaby | c500c97 | 2008-05-16 11:49:16 +0200 | [diff] [blame] | 767 | /** |
Andrew de los Reyes | c849a61 | 2013-02-18 09:20:21 -0800 | [diff] [blame] | 768 | * hid_device_io_start - enable HID input during probe, remove |
| 769 | * |
| 770 | * @hid - the device |
| 771 | * |
| 772 | * This should only be called during probe or remove and only be |
| 773 | * called by the thread calling probe or remove. It will allow |
| 774 | * incoming packets to be delivered to the driver. |
| 775 | */ |
| 776 | static inline void hid_device_io_start(struct hid_device *hid) { |
| 777 | if (hid->io_started) { |
| 778 | dev_warn(&hid->dev, "io already started"); |
| 779 | return; |
| 780 | } |
| 781 | hid->io_started = true; |
| 782 | up(&hid->driver_input_lock); |
| 783 | } |
| 784 | |
| 785 | /** |
| 786 | * hid_device_io_stop - disable HID input during probe, remove |
| 787 | * |
| 788 | * @hid - the device |
| 789 | * |
| 790 | * Should only be called after hid_device_io_start. It will prevent |
| 791 | * incoming packets from going to the driver for the duration of |
| 792 | * probe, remove. If called during probe, packets will still go to the |
| 793 | * driver after probe is complete. This function should only be called |
| 794 | * by the thread calling probe or remove. |
| 795 | */ |
| 796 | static inline void hid_device_io_stop(struct hid_device *hid) { |
| 797 | if (!hid->io_started) { |
| 798 | dev_warn(&hid->dev, "io already stopped"); |
| 799 | return; |
| 800 | } |
| 801 | hid->io_started = false; |
| 802 | down(&hid->driver_input_lock); |
| 803 | } |
| 804 | |
| 805 | /** |
Jiri Slaby | 022e8c4 | 2008-05-16 11:49:18 +0200 | [diff] [blame] | 806 | * hid_map_usage - map usage input bits |
| 807 | * |
| 808 | * @hidinput: hidinput which we are interested in |
| 809 | * @usage: usage to fill in |
| 810 | * @bit: pointer to input->{}bit (out parameter) |
| 811 | * @max: maximal valid usage->code to consider later (out parameter) |
| 812 | * @type: input event type (EV_KEY, EV_REL, ...) |
| 813 | * @c: code which corresponds to this usage and type |
| 814 | */ |
| 815 | static inline void hid_map_usage(struct hid_input *hidinput, |
| 816 | struct hid_usage *usage, unsigned long **bit, int *max, |
| 817 | __u8 type, __u16 c) |
| 818 | { |
| 819 | struct input_dev *input = hidinput->input; |
| 820 | |
| 821 | usage->type = type; |
| 822 | usage->code = c; |
| 823 | |
| 824 | switch (type) { |
| 825 | case EV_ABS: |
| 826 | *bit = input->absbit; |
| 827 | *max = ABS_MAX; |
| 828 | break; |
| 829 | case EV_REL: |
| 830 | *bit = input->relbit; |
| 831 | *max = REL_MAX; |
| 832 | break; |
| 833 | case EV_KEY: |
| 834 | *bit = input->keybit; |
| 835 | *max = KEY_MAX; |
| 836 | break; |
| 837 | case EV_LED: |
| 838 | *bit = input->ledbit; |
| 839 | *max = LED_MAX; |
| 840 | break; |
| 841 | } |
| 842 | } |
| 843 | |
| 844 | /** |
| 845 | * hid_map_usage_clear - map usage input bits and clear the input bit |
| 846 | * |
| 847 | * The same as hid_map_usage, except the @c bit is also cleared in supported |
| 848 | * bits (@bit). |
| 849 | */ |
| 850 | static inline void hid_map_usage_clear(struct hid_input *hidinput, |
| 851 | struct hid_usage *usage, unsigned long **bit, int *max, |
| 852 | __u8 type, __u16 c) |
| 853 | { |
| 854 | hid_map_usage(hidinput, usage, bit, max, type, c); |
| 855 | clear_bit(c, *bit); |
| 856 | } |
| 857 | |
| 858 | /** |
Jiri Slaby | c500c97 | 2008-05-16 11:49:16 +0200 | [diff] [blame] | 859 | * hid_parse - parse HW reports |
| 860 | * |
| 861 | * @hdev: hid device |
| 862 | * |
| 863 | * Call this from probe after you set up the device (if needed). Your |
| 864 | * report_fixup will be called (if non-NULL) after reading raw report from |
| 865 | * device before passing it to hid layer for real parsing. |
| 866 | */ |
| 867 | static inline int __must_check hid_parse(struct hid_device *hdev) |
| 868 | { |
Henrik Rydberg | a7197c2e | 2012-04-22 14:21:40 +0200 | [diff] [blame] | 869 | return hid_open_report(hdev); |
Jiri Slaby | c500c97 | 2008-05-16 11:49:16 +0200 | [diff] [blame] | 870 | } |
| 871 | |
| 872 | /** |
| 873 | * hid_hw_start - start underlaying HW |
| 874 | * |
| 875 | * @hdev: hid device |
Jiri Slaby | 93c1013 | 2008-06-27 00:04:24 +0200 | [diff] [blame] | 876 | * @connect_mask: which outputs to connect, see HID_CONNECT_* |
Jiri Slaby | c500c97 | 2008-05-16 11:49:16 +0200 | [diff] [blame] | 877 | * |
| 878 | * Call this in probe function *after* hid_parse. This will setup HW buffers |
| 879 | * and start the device (if not deffered to device open). hid_hw_stop must be |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 880 | * called if this was successful. |
Jiri Slaby | c500c97 | 2008-05-16 11:49:16 +0200 | [diff] [blame] | 881 | */ |
Jiri Slaby | 93c1013 | 2008-06-27 00:04:24 +0200 | [diff] [blame] | 882 | static inline int __must_check hid_hw_start(struct hid_device *hdev, |
| 883 | unsigned int connect_mask) |
Jiri Slaby | c500c97 | 2008-05-16 11:49:16 +0200 | [diff] [blame] | 884 | { |
Jiri Slaby | 93c1013 | 2008-06-27 00:04:24 +0200 | [diff] [blame] | 885 | int ret = hdev->ll_driver->start(hdev); |
| 886 | if (ret || !connect_mask) |
| 887 | return ret; |
| 888 | ret = hid_connect(hdev, connect_mask); |
| 889 | if (ret) |
| 890 | hdev->ll_driver->stop(hdev); |
| 891 | return ret; |
Jiri Slaby | c500c97 | 2008-05-16 11:49:16 +0200 | [diff] [blame] | 892 | } |
| 893 | |
| 894 | /** |
| 895 | * hid_hw_stop - stop underlaying HW |
| 896 | * |
| 897 | * @hdev: hid device |
| 898 | * |
| 899 | * This is usually called from remove function or from probe when something |
| 900 | * failed and hid_hw_start was called already. |
| 901 | */ |
| 902 | static inline void hid_hw_stop(struct hid_device *hdev) |
| 903 | { |
Jiri Kosina | c4c259b | 2009-09-15 16:27:45 +0200 | [diff] [blame] | 904 | hid_disconnect(hdev); |
Jiri Slaby | c500c97 | 2008-05-16 11:49:16 +0200 | [diff] [blame] | 905 | hdev->ll_driver->stop(hdev); |
| 906 | } |
| 907 | |
Dmitry Torokhov | 5bea766 | 2010-12-07 23:02:48 -0800 | [diff] [blame] | 908 | /** |
| 909 | * hid_hw_open - signal underlaying HW to start delivering events |
| 910 | * |
| 911 | * @hdev: hid device |
| 912 | * |
| 913 | * Tell underlying HW to start delivering events from the device. |
| 914 | * This function should be called sometime after successful call |
| 915 | * to hid_hiw_start(). |
| 916 | */ |
| 917 | static inline int __must_check hid_hw_open(struct hid_device *hdev) |
| 918 | { |
| 919 | return hdev->ll_driver->open(hdev); |
| 920 | } |
| 921 | |
| 922 | /** |
| 923 | * hid_hw_close - signal underlaying HW to stop delivering events |
| 924 | * |
| 925 | * @hdev: hid device |
| 926 | * |
| 927 | * This function indicates that we are not interested in the events |
| 928 | * from this device anymore. Delivery of events may or may not stop, |
| 929 | * depending on the number of users still outstanding. |
| 930 | */ |
| 931 | static inline void hid_hw_close(struct hid_device *hdev) |
| 932 | { |
| 933 | hdev->ll_driver->close(hdev); |
| 934 | } |
| 935 | |
| 936 | /** |
| 937 | * hid_hw_power - requests underlying HW to go into given power mode |
| 938 | * |
| 939 | * @hdev: hid device |
| 940 | * @level: requested power level (one of %PM_HINT_* defines) |
| 941 | * |
| 942 | * This function requests underlying hardware to enter requested power |
| 943 | * mode. |
| 944 | */ |
| 945 | |
| 946 | static inline int hid_hw_power(struct hid_device *hdev, int level) |
| 947 | { |
| 948 | return hdev->ll_driver->power ? hdev->ll_driver->power(hdev, level) : 0; |
| 949 | } |
| 950 | |
Henrik Rydberg | e90a6df | 2013-02-25 11:31:43 +0100 | [diff] [blame] | 951 | |
| 952 | /** |
| 953 | * hid_hw_request - send report request to device |
| 954 | * |
| 955 | * @hdev: hid device |
| 956 | * @report: report to send |
| 957 | * @reqtype: hid request type |
| 958 | */ |
| 959 | static inline void hid_hw_request(struct hid_device *hdev, |
| 960 | struct hid_report *report, int reqtype) |
| 961 | { |
| 962 | if (hdev->ll_driver->request) |
| 963 | hdev->ll_driver->request(hdev, report, reqtype); |
| 964 | } |
| 965 | |
Henrik Rydberg | 3373443 | 2013-02-25 11:31:44 +0100 | [diff] [blame] | 966 | /** |
Benjamin Tissoires | 9684819 | 2013-02-27 16:38:17 +0100 | [diff] [blame] | 967 | * hid_hw_idle - send idle request to device |
| 968 | * |
| 969 | * @hdev: hid device |
| 970 | * @report: report to control |
| 971 | * @idle: idle state |
| 972 | * @reqtype: hid request type |
| 973 | */ |
| 974 | static inline int hid_hw_idle(struct hid_device *hdev, int report, int idle, |
| 975 | int reqtype) |
| 976 | { |
| 977 | if (hdev->ll_driver->idle) |
| 978 | return hdev->ll_driver->idle(hdev, report, idle, reqtype); |
| 979 | |
| 980 | return 0; |
| 981 | } |
| 982 | |
| 983 | /** |
Henrik Rydberg | 3373443 | 2013-02-25 11:31:44 +0100 | [diff] [blame] | 984 | * hid_hw_wait - wait for buffered io to complete |
| 985 | * |
| 986 | * @hdev: hid device |
| 987 | */ |
| 988 | static inline void hid_hw_wait(struct hid_device *hdev) |
| 989 | { |
| 990 | if (hdev->ll_driver->wait) |
| 991 | hdev->ll_driver->wait(hdev); |
| 992 | } |
| 993 | |
Jiri Kosina | b678724 | 2012-04-27 00:56:08 +0200 | [diff] [blame] | 994 | int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size, |
Jiri Slaby | 85cdaf5 | 2008-05-16 11:49:15 +0200 | [diff] [blame] | 995 | int interrupt); |
| 996 | |
Paul Walmsley | 876b927 | 2007-04-19 14:56:12 +0200 | [diff] [blame] | 997 | /* HID quirks API */ |
Paul Walmsley | 2eb5dc3 | 2007-04-19 13:27:04 +0200 | [diff] [blame] | 998 | u32 usbhid_lookup_quirk(const u16 idVendor, const u16 idProduct); |
Paul Walmsley | 876b927 | 2007-04-19 14:56:12 +0200 | [diff] [blame] | 999 | int usbhid_quirks_init(char **quirks_param); |
| 1000 | void usbhid_quirks_exit(void); |
Paul Walmsley | 2eb5dc3 | 2007-04-19 13:27:04 +0200 | [diff] [blame] | 1001 | |
Anssi Hannula | 224ee88 | 2006-07-19 01:40:47 -0400 | [diff] [blame] | 1002 | #ifdef CONFIG_HID_PID |
| 1003 | int hid_pidff_init(struct hid_device *hid); |
| 1004 | #else |
Jiri Slaby | 76483cf | 2008-09-18 12:23:33 +0200 | [diff] [blame] | 1005 | #define hid_pidff_init NULL |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1006 | #endif |
Jiri Kosina | 58037eb | 2007-05-30 15:07:13 +0200 | [diff] [blame] | 1007 | |
Joe Perches | 4291ee3 | 2010-12-09 19:29:03 -0800 | [diff] [blame] | 1008 | #define dbg_hid(format, arg...) \ |
| 1009 | do { \ |
| 1010 | if (hid_debug) \ |
| 1011 | printk(KERN_DEBUG "%s: " format, __FILE__, ##arg); \ |
| 1012 | } while (0) |
| 1013 | |
| 1014 | #define hid_printk(level, hid, fmt, arg...) \ |
| 1015 | dev_printk(level, &(hid)->dev, fmt, ##arg) |
| 1016 | #define hid_emerg(hid, fmt, arg...) \ |
| 1017 | dev_emerg(&(hid)->dev, fmt, ##arg) |
| 1018 | #define hid_crit(hid, fmt, arg...) \ |
| 1019 | dev_crit(&(hid)->dev, fmt, ##arg) |
| 1020 | #define hid_alert(hid, fmt, arg...) \ |
| 1021 | dev_alert(&(hid)->dev, fmt, ##arg) |
| 1022 | #define hid_err(hid, fmt, arg...) \ |
| 1023 | dev_err(&(hid)->dev, fmt, ##arg) |
| 1024 | #define hid_notice(hid, fmt, arg...) \ |
| 1025 | dev_notice(&(hid)->dev, fmt, ##arg) |
| 1026 | #define hid_warn(hid, fmt, arg...) \ |
| 1027 | dev_warn(&(hid)->dev, fmt, ##arg) |
| 1028 | #define hid_info(hid, fmt, arg...) \ |
| 1029 | dev_info(&(hid)->dev, fmt, ##arg) |
| 1030 | #define hid_dbg(hid, fmt, arg...) \ |
| 1031 | dev_dbg(&(hid)->dev, fmt, ##arg) |
| 1032 | |
Jiri Kosina | 57d292b | 2007-10-15 15:17:41 +0200 | [diff] [blame] | 1033 | #endif |