1 /* 2 * Copyright (c) 1999 Andreas Gal 3 * Copyright (c) 2000-2001 Vojtech Pavlik 4 * Copyright (c) 2006-2007 Jiri Kosina 5 */ 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 <[email protected]>, or by paper mail: 23 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic 24 */ 25 #ifndef __HID_H 26 #define __HID_H 27 28 29 #include <linux/bitops.h> 30 #include <linux/types.h> 31 #include <linux/slab.h> 32 #include <linux/list.h> 33 #include <linux/mod_devicetable.h> /* hid_device_id */ 34 #include <linux/timer.h> 35 #include <linux/workqueue.h> 36 #include <linux/input.h> 37 #include <linux/semaphore.h> 38 #include <linux/mutex.h> 39 #include <linux/power_supply.h> 40 #include <uapi/linux/hid.h> 41 42 /* 43 * We parse each description item into this structure. Short items data 44 * values are expanded to 32-bit signed int, long items contain a pointer 45 * into the data area. 46 */ 47 48 struct hid_item { 49 unsigned format; 50 __u8 size; 51 __u8 type; 52 __u8 tag; 53 union { 54 __u8 u8; 55 __s8 s8; 56 __u16 u16; 57 __s16 s16; 58 __u32 u32; 59 __s32 s32; 60 __u8 *longdata; 61 } data; 62 }; 63 64 /* 65 * HID report item format 66 */ 67 68 #define HID_ITEM_FORMAT_SHORT 0 69 #define HID_ITEM_FORMAT_LONG 1 70 71 /* 72 * Special tag indicating long items 73 */ 74 75 #define HID_ITEM_TAG_LONG 15 76 77 /* 78 * HID report descriptor item type (prefix bit 2,3) 79 */ 80 81 #define HID_ITEM_TYPE_MAIN 0 82 #define HID_ITEM_TYPE_GLOBAL 1 83 #define HID_ITEM_TYPE_LOCAL 2 84 #define HID_ITEM_TYPE_RESERVED 3 85 86 /* 87 * HID report descriptor main item tags 88 */ 89 90 #define HID_MAIN_ITEM_TAG_INPUT 8 91 #define HID_MAIN_ITEM_TAG_OUTPUT 9 92 #define HID_MAIN_ITEM_TAG_FEATURE 11 93 #define HID_MAIN_ITEM_TAG_BEGIN_COLLECTION 10 94 #define HID_MAIN_ITEM_TAG_END_COLLECTION 12 95 96 /* 97 * HID report descriptor main item contents 98 */ 99 100 #define HID_MAIN_ITEM_CONSTANT 0x001 101 #define HID_MAIN_ITEM_VARIABLE 0x002 102 #define HID_MAIN_ITEM_RELATIVE 0x004 103 #define HID_MAIN_ITEM_WRAP 0x008 104 #define HID_MAIN_ITEM_NONLINEAR 0x010 105 #define HID_MAIN_ITEM_NO_PREFERRED 0x020 106 #define HID_MAIN_ITEM_NULL_STATE 0x040 107 #define HID_MAIN_ITEM_VOLATILE 0x080 108 #define HID_MAIN_ITEM_BUFFERED_BYTE 0x100 109 110 /* 111 * HID report descriptor collection item types 112 */ 113 114 #define HID_COLLECTION_PHYSICAL 0 115 #define HID_COLLECTION_APPLICATION 1 116 #define HID_COLLECTION_LOGICAL 2 117 118 /* 119 * HID report descriptor global item tags 120 */ 121 122 #define HID_GLOBAL_ITEM_TAG_USAGE_PAGE 0 123 #define HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM 1 124 #define HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM 2 125 #define HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM 3 126 #define HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM 4 127 #define HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT 5 128 #define HID_GLOBAL_ITEM_TAG_UNIT 6 129 #define HID_GLOBAL_ITEM_TAG_REPORT_SIZE 7 130 #define HID_GLOBAL_ITEM_TAG_REPORT_ID 8 131 #define HID_GLOBAL_ITEM_TAG_REPORT_COUNT 9 132 #define HID_GLOBAL_ITEM_TAG_PUSH 10 133 #define HID_GLOBAL_ITEM_TAG_POP 11 134 135 /* 136 * HID report descriptor local item tags 137 */ 138 139 #define HID_LOCAL_ITEM_TAG_USAGE 0 140 #define HID_LOCAL_ITEM_TAG_USAGE_MINIMUM 1 141 #define HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM 2 142 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_INDEX 3 143 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_MINIMUM 4 144 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_MAXIMUM 5 145 #define HID_LOCAL_ITEM_TAG_STRING_INDEX 7 146 #define HID_LOCAL_ITEM_TAG_STRING_MINIMUM 8 147 #define HID_LOCAL_ITEM_TAG_STRING_MAXIMUM 9 148 #define HID_LOCAL_ITEM_TAG_DELIMITER 10 149 150 /* 151 * HID usage tables 152 */ 153 154 #define HID_USAGE_PAGE 0xffff0000 155 156 #define HID_UP_UNDEFINED 0x00000000 157 #define HID_UP_GENDESK 0x00010000 158 #define HID_UP_SIMULATION 0x00020000 159 #define HID_UP_GENDEVCTRLS 0x00060000 160 #define HID_UP_KEYBOARD 0x00070000 161 #define HID_UP_LED 0x00080000 162 #define HID_UP_BUTTON 0x00090000 163 #define HID_UP_ORDINAL 0x000a0000 164 #define HID_UP_TELEPHONY 0x000b0000 165 #define HID_UP_CONSUMER 0x000c0000 166 #define HID_UP_DIGITIZER 0x000d0000 167 #define HID_UP_PID 0x000f0000 168 #define HID_UP_HPVENDOR 0xff7f0000 169 #define HID_UP_HPVENDOR2 0xff010000 170 #define HID_UP_MSVENDOR 0xff000000 171 #define HID_UP_CUSTOM 0x00ff0000 172 #define HID_UP_LOGIVENDOR 0xffbc0000 173 #define HID_UP_LOGIVENDOR2 0xff090000 174 #define HID_UP_LOGIVENDOR3 0xff430000 175 #define HID_UP_LNVENDOR 0xffa00000 176 #define HID_UP_SENSOR 0x00200000 177 #define HID_UP_ASUSVENDOR 0xff310000 178 179 #define HID_USAGE 0x0000ffff 180 181 #define HID_GD_POINTER 0x00010001 182 #define HID_GD_MOUSE 0x00010002 183 #define HID_GD_JOYSTICK 0x00010004 184 #define HID_GD_GAMEPAD 0x00010005 185 #define HID_GD_KEYBOARD 0x00010006 186 #define HID_GD_KEYPAD 0x00010007 187 #define HID_GD_MULTIAXIS 0x00010008 188 /* 189 * Microsoft Win8 Wireless Radio Controls extensions CA, see: 190 * http://www.usb.org/developers/hidpage/HUTRR40RadioHIDUsagesFinal.pdf 191 */ 192 #define HID_GD_WIRELESS_RADIO_CTLS 0x0001000c 193 /* 194 * System Multi-Axis, see: 195 * http://www.usb.org/developers/hidpage/HUTRR62_-_Generic_Desktop_CA_for_System_Multi-Axis_Controllers.txt 196 */ 197 #define HID_GD_SYSTEM_MULTIAXIS 0x0001000e 198 199 #define HID_GD_X 0x00010030 200 #define HID_GD_Y 0x00010031 201 #define HID_GD_Z 0x00010032 202 #define HID_GD_RX 0x00010033 203 #define HID_GD_RY 0x00010034 204 #define HID_GD_RZ 0x00010035 205 #define HID_GD_SLIDER 0x00010036 206 #define HID_GD_DIAL 0x00010037 207 #define HID_GD_WHEEL 0x00010038 208 #define HID_GD_HATSWITCH 0x00010039 209 #define HID_GD_BUFFER 0x0001003a 210 #define HID_GD_BYTECOUNT 0x0001003b 211 #define HID_GD_MOTION 0x0001003c 212 #define HID_GD_START 0x0001003d 213 #define HID_GD_SELECT 0x0001003e 214 #define HID_GD_VX 0x00010040 215 #define HID_GD_VY 0x00010041 216 #define HID_GD_VZ 0x00010042 217 #define HID_GD_VBRX 0x00010043 218 #define HID_GD_VBRY 0x00010044 219 #define HID_GD_VBRZ 0x00010045 220 #define HID_GD_VNO 0x00010046 221 #define HID_GD_FEATURE 0x00010047 222 #define HID_GD_RESOLUTION_MULTIPLIER 0x00010048 223 #define HID_GD_SYSTEM_CONTROL 0x00010080 224 #define HID_GD_UP 0x00010090 225 #define HID_GD_DOWN 0x00010091 226 #define HID_GD_RIGHT 0x00010092 227 #define HID_GD_LEFT 0x00010093 228 /* Microsoft Win8 Wireless Radio Controls CA usage codes */ 229 #define HID_GD_RFKILL_BTN 0x000100c6 230 #define HID_GD_RFKILL_LED 0x000100c7 231 #define HID_GD_RFKILL_SWITCH 0x000100c8 232 233 #define HID_DC_BATTERYSTRENGTH 0x00060020 234 235 #define HID_CP_CONSUMER_CONTROL 0x000c0001 236 #define HID_CP_AC_PAN 0x000c0238 237 238 #define HID_DG_DIGITIZER 0x000d0001 239 #define HID_DG_PEN 0x000d0002 240 #define HID_DG_LIGHTPEN 0x000d0003 241 #define HID_DG_TOUCHSCREEN 0x000d0004 242 #define HID_DG_TOUCHPAD 0x000d0005 243 #define HID_DG_WHITEBOARD 0x000d0006 244 #define HID_DG_STYLUS 0x000d0020 245 #define HID_DG_PUCK 0x000d0021 246 #define HID_DG_FINGER 0x000d0022 247 #define HID_DG_TIPPRESSURE 0x000d0030 248 #define HID_DG_BARRELPRESSURE 0x000d0031 249 #define HID_DG_INRANGE 0x000d0032 250 #define HID_DG_TOUCH 0x000d0033 251 #define HID_DG_UNTOUCH 0x000d0034 252 #define HID_DG_TAP 0x000d0035 253 #define HID_DG_TABLETFUNCTIONKEY 0x000d0039 254 #define HID_DG_PROGRAMCHANGEKEY 0x000d003a 255 #define HID_DG_BATTERYSTRENGTH 0x000d003b 256 #define HID_DG_INVERT 0x000d003c 257 #define HID_DG_TILT_X 0x000d003d 258 #define HID_DG_TILT_Y 0x000d003e 259 #define HID_DG_TWIST 0x000d0041 260 #define HID_DG_TIPSWITCH 0x000d0042 261 #define HID_DG_TIPSWITCH2 0x000d0043 262 #define HID_DG_BARRELSWITCH 0x000d0044 263 #define HID_DG_ERASER 0x000d0045 264 #define HID_DG_TABLETPICK 0x000d0046 265 266 #define HID_CP_CONSUMERCONTROL 0x000c0001 267 #define HID_CP_NUMERICKEYPAD 0x000c0002 268 #define HID_CP_PROGRAMMABLEBUTTONS 0x000c0003 269 #define HID_CP_MICROPHONE 0x000c0004 270 #define HID_CP_HEADPHONE 0x000c0005 271 #define HID_CP_GRAPHICEQUALIZER 0x000c0006 272 #define HID_CP_FUNCTIONBUTTONS 0x000c0036 273 #define HID_CP_SELECTION 0x000c0080 274 #define HID_CP_MEDIASELECTION 0x000c0087 275 #define HID_CP_SELECTDISC 0x000c00ba 276 #define HID_CP_PLAYBACKSPEED 0x000c00f1 277 #define HID_CP_PROXIMITY 0x000c0109 278 #define HID_CP_SPEAKERSYSTEM 0x000c0160 279 #define HID_CP_CHANNELLEFT 0x000c0161 280 #define HID_CP_CHANNELRIGHT 0x000c0162 281 #define HID_CP_CHANNELCENTER 0x000c0163 282 #define HID_CP_CHANNELFRONT 0x000c0164 283 #define HID_CP_CHANNELCENTERFRONT 0x000c0165 284 #define HID_CP_CHANNELSIDE 0x000c0166 285 #define HID_CP_CHANNELSURROUND 0x000c0167 286 #define HID_CP_CHANNELLOWFREQUENCYENHANCEMENT 0x000c0168 287 #define HID_CP_CHANNELTOP 0x000c0169 288 #define HID_CP_CHANNELUNKNOWN 0x000c016a 289 #define HID_CP_APPLICATIONLAUNCHBUTTONS 0x000c0180 290 #define HID_CP_GENERICGUIAPPLICATIONCONTROLS 0x000c0200 291 292 #define HID_DG_DEVICECONFIG 0x000d000e 293 #define HID_DG_DEVICESETTINGS 0x000d0023 294 #define HID_DG_AZIMUTH 0x000d003f 295 #define HID_DG_CONFIDENCE 0x000d0047 296 #define HID_DG_WIDTH 0x000d0048 297 #define HID_DG_HEIGHT 0x000d0049 298 #define HID_DG_CONTACTID 0x000d0051 299 #define HID_DG_INPUTMODE 0x000d0052 300 #define HID_DG_DEVICEINDEX 0x000d0053 301 #define HID_DG_CONTACTCOUNT 0x000d0054 302 #define HID_DG_CONTACTMAX 0x000d0055 303 #define HID_DG_SCANTIME 0x000d0056 304 #define HID_DG_SURFACESWITCH 0x000d0057 305 #define HID_DG_BUTTONSWITCH 0x000d0058 306 #define HID_DG_BUTTONTYPE 0x000d0059 307 #define HID_DG_BARRELSWITCH2 0x000d005a 308 #define HID_DG_TOOLSERIALNUMBER 0x000d005b 309 #define HID_DG_LATENCYMODE 0x000d0060 310 311 #define HID_VD_ASUS_CUSTOM_MEDIA_KEYS 0xff310076 312 /* 313 * HID report types --- Ouch! HID spec says 1 2 3! 314 */ 315 316 #define HID_INPUT_REPORT 0 317 #define HID_OUTPUT_REPORT 1 318 #define HID_FEATURE_REPORT 2 319 320 #define HID_REPORT_TYPES 3 321 322 /* 323 * HID connect requests 324 */ 325 326 #define HID_CONNECT_HIDINPUT BIT(0) 327 #define HID_CONNECT_HIDINPUT_FORCE BIT(1) 328 #define HID_CONNECT_HIDRAW BIT(2) 329 #define HID_CONNECT_HIDDEV BIT(3) 330 #define HID_CONNECT_HIDDEV_FORCE BIT(4) 331 #define HID_CONNECT_FF BIT(5) 332 #define HID_CONNECT_DRIVER BIT(6) 333 #define HID_CONNECT_DEFAULT (HID_CONNECT_HIDINPUT|HID_CONNECT_HIDRAW| \ 334 HID_CONNECT_HIDDEV|HID_CONNECT_FF) 335 336 /* 337 * HID device quirks. 338 */ 339 340 /* 341 * Increase this if you need to configure more HID quirks at module load time 342 */ 343 #define MAX_USBHID_BOOT_QUIRKS 4 344 345 #define HID_QUIRK_INVERT BIT(0) 346 #define HID_QUIRK_NOTOUCH BIT(1) 347 #define HID_QUIRK_IGNORE BIT(2) 348 #define HID_QUIRK_NOGET BIT(3) 349 #define HID_QUIRK_HIDDEV_FORCE BIT(4) 350 #define HID_QUIRK_BADPAD BIT(5) 351 #define HID_QUIRK_MULTI_INPUT BIT(6) 352 #define HID_QUIRK_HIDINPUT_FORCE BIT(7) 353 /* BIT(8) reserved for backward compatibility, was HID_QUIRK_NO_EMPTY_INPUT */ 354 /* BIT(9) reserved for backward compatibility, was NO_INIT_INPUT_REPORTS */ 355 #define HID_QUIRK_ALWAYS_POLL BIT(10) 356 #define HID_QUIRK_INPUT_PER_APP BIT(11) 357 #define HID_QUIRK_SKIP_OUTPUT_REPORTS BIT(16) 358 #define HID_QUIRK_SKIP_OUTPUT_REPORT_ID BIT(17) 359 #define HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP BIT(18) 360 #define HID_QUIRK_HAVE_SPECIAL_DRIVER BIT(19) 361 #define HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE BIT(20) 362 #define HID_QUIRK_FULLSPEED_INTERVAL BIT(28) 363 #define HID_QUIRK_NO_INIT_REPORTS BIT(29) 364 #define HID_QUIRK_NO_IGNORE BIT(30) 365 #define HID_QUIRK_NO_INPUT_SYNC BIT(31) 366 367 /* 368 * HID device groups 369 * 370 * Note: HID_GROUP_ANY is declared in linux/mod_devicetable.h 371 * and has a value of 0x0000 372 */ 373 #define HID_GROUP_GENERIC 0x0001 374 #define HID_GROUP_MULTITOUCH 0x0002 375 #define HID_GROUP_SENSOR_HUB 0x0003 376 #define HID_GROUP_MULTITOUCH_WIN_8 0x0004 377 378 /* 379 * Vendor specific HID device groups 380 */ 381 #define HID_GROUP_RMI 0x0100 382 #define HID_GROUP_WACOM 0x0101 383 #define HID_GROUP_LOGITECH_DJ_DEVICE 0x0102 384 #define HID_GROUP_STEAM 0x0103 385 #define HID_GROUP_LOGITECH_27MHZ_DEVICE 0x0104 386 387 /* 388 * HID protocol status 389 */ 390 #define HID_REPORT_PROTOCOL 1 391 #define HID_BOOT_PROTOCOL 0 392 393 /* 394 * This is the global environment of the parser. This information is 395 * persistent for main-items. The global environment can be saved and 396 * restored with PUSH/POP statements. 397 */ 398 399 struct hid_global { 400 unsigned usage_page; 401 __s32 logical_minimum; 402 __s32 logical_maximum; 403 __s32 physical_minimum; 404 __s32 physical_maximum; 405 __s32 unit_exponent; 406 unsigned unit; 407 unsigned report_id; 408 unsigned report_size; 409 unsigned report_count; 410 }; 411 412 /* 413 * This is the local environment. It is persistent up the next main-item. 414 */ 415 416 #define HID_MAX_USAGES 12288 417 #define HID_DEFAULT_NUM_COLLECTIONS 16 418 419 struct hid_local { 420 unsigned usage[HID_MAX_USAGES]; /* usage array */ 421 u8 usage_size[HID_MAX_USAGES]; /* usage size array */ 422 unsigned collection_index[HID_MAX_USAGES]; /* collection index array */ 423 unsigned usage_index; 424 unsigned usage_minimum; 425 unsigned delimiter_depth; 426 unsigned delimiter_branch; 427 }; 428 429 /* 430 * This is the collection stack. We climb up the stack to determine 431 * application and function of each field. 432 */ 433 434 struct hid_collection { 435 int parent_idx; /* device->collection */ 436 unsigned type; 437 unsigned usage; 438 unsigned level; 439 }; 440 441 struct hid_usage { 442 unsigned hid; /* hid usage code */ 443 unsigned collection_index; /* index into collection array */ 444 unsigned usage_index; /* index into usage array */ 445 __s8 resolution_multiplier;/* Effective Resolution Multiplier 446 (HUT v1.12, 4.3.1), default: 1 */ 447 /* hidinput data */ 448 __s8 wheel_factor; /* 120/resolution_multiplier */ 449 __u16 code; /* input driver code */ 450 __u8 type; /* input driver type */ 451 __s8 hat_min; /* hat switch fun */ 452 __s8 hat_max; /* ditto */ 453 __s8 hat_dir; /* ditto */ 454 __s16 wheel_accumulated; /* hi-res wheel */ 455 }; 456 457 struct hid_input; 458 459 struct hid_field { 460 unsigned physical; /* physical usage for this field */ 461 unsigned logical; /* logical usage for this field */ 462 unsigned application; /* application usage for this field */ 463 struct hid_usage *usage; /* usage table for this function */ 464 unsigned maxusage; /* maximum usage index */ 465 unsigned flags; /* main-item flags (i.e. volatile,array,constant) */ 466 unsigned report_offset; /* bit offset in the report */ 467 unsigned report_size; /* size of this field in the report */ 468 unsigned report_count; /* number of this field in the report */ 469 unsigned report_type; /* (input,output,feature) */ 470 __s32 *value; /* last known value(s) */ 471 __s32 logical_minimum; 472 __s32 logical_maximum; 473 __s32 physical_minimum; 474 __s32 physical_maximum; 475 __s32 unit_exponent; 476 unsigned unit; 477 struct hid_report *report; /* associated report */ 478 unsigned index; /* index into report->field[] */ 479 /* hidinput data */ 480 struct hid_input *hidinput; /* associated input structure */ 481 __u16 dpad; /* dpad input code */ 482 }; 483 484 #define HID_MAX_FIELDS 256 485 486 struct hid_report { 487 struct list_head list; 488 struct list_head hidinput_list; 489 unsigned int id; /* id of this report */ 490 unsigned int type; /* report type */ 491 unsigned int application; /* application usage for this report */ 492 struct hid_field *field[HID_MAX_FIELDS]; /* fields of the report */ 493 unsigned maxfield; /* maximum valid field index */ 494 unsigned size; /* size of the report (bits) */ 495 struct hid_device *device; /* associated device */ 496 }; 497 498 #define HID_MAX_IDS 256 499 500 struct hid_report_enum { 501 unsigned numbered; 502 struct list_head report_list; 503 struct hid_report *report_id_hash[HID_MAX_IDS]; 504 }; 505 506 #define HID_MIN_BUFFER_SIZE 64 /* make sure there is at least a packet size of space */ 507 #define HID_MAX_BUFFER_SIZE 4096 /* 4kb */ 508 #define HID_CONTROL_FIFO_SIZE 256 /* to init devices with >100 reports */ 509 #define HID_OUTPUT_FIFO_SIZE 64 510 511 struct hid_control_fifo { 512 unsigned char dir; 513 struct hid_report *report; 514 char *raw_report; 515 }; 516 517 struct hid_output_fifo { 518 struct hid_report *report; 519 char *raw_report; 520 }; 521 522 #define HID_CLAIMED_INPUT BIT(0) 523 #define HID_CLAIMED_HIDDEV BIT(1) 524 #define HID_CLAIMED_HIDRAW BIT(2) 525 #define HID_CLAIMED_DRIVER BIT(3) 526 527 #define HID_STAT_ADDED BIT(0) 528 #define HID_STAT_PARSED BIT(1) 529 #define HID_STAT_DUP_DETECTED BIT(2) 530 #define HID_STAT_REPROBED BIT(3) 531 532 struct hid_input { 533 struct list_head list; 534 struct hid_report *report; 535 struct input_dev *input; 536 const char *name; 537 bool registered; 538 struct list_head reports; /* the list of reports */ 539 unsigned int application; /* application usage for this input */ 540 }; 541 542 enum hid_type { 543 HID_TYPE_OTHER = 0, 544 HID_TYPE_USBMOUSE, 545 HID_TYPE_USBNONE 546 }; 547 548 enum hid_battery_status { 549 HID_BATTERY_UNKNOWN = 0, 550 HID_BATTERY_QUERIED, /* Kernel explicitly queried battery strength */ 551 HID_BATTERY_REPORTED, /* Device sent unsolicited battery strength report */ 552 }; 553 554 struct hid_driver; 555 struct hid_ll_driver; 556 557 struct hid_device { /* device report descriptor */ 558 __u8 *dev_rdesc; 559 unsigned dev_rsize; 560 __u8 *rdesc; 561 unsigned rsize; 562 struct hid_collection *collection; /* List of HID collections */ 563 unsigned collection_size; /* Number of allocated hid_collections */ 564 unsigned maxcollection; /* Number of parsed collections */ 565 unsigned maxapplication; /* Number of applications */ 566 __u16 bus; /* BUS ID */ 567 __u16 group; /* Report group */ 568 __u32 vendor; /* Vendor ID */ 569 __u32 product; /* Product ID */ 570 __u32 version; /* HID version */ 571 enum hid_type type; /* device type (mouse, kbd, ...) */ 572 unsigned country; /* HID country */ 573 struct hid_report_enum report_enum[HID_REPORT_TYPES]; 574 struct work_struct led_work; /* delayed LED worker */ 575 576 struct semaphore driver_input_lock; /* protects the current driver */ 577 struct device dev; /* device */ 578 struct hid_driver *driver; 579 580 struct hid_ll_driver *ll_driver; 581 struct mutex ll_open_lock; 582 unsigned int ll_open_count; 583 584 #ifdef CONFIG_HID_BATTERY_STRENGTH 585 /* 586 * Power supply information for HID devices which report 587 * battery strength. power_supply was successfully registered if 588 * battery is non-NULL. 589 */ 590 struct power_supply *battery; 591 __s32 battery_capacity; 592 __s32 battery_min; 593 __s32 battery_max; 594 __s32 battery_report_type; 595 __s32 battery_report_id; 596 enum hid_battery_status battery_status; 597 bool battery_avoid_query; 598 #endif 599 600 unsigned long status; /* see STAT flags above */ 601 unsigned claimed; /* Claimed by hidinput, hiddev? */ 602 unsigned quirks; /* Various quirks the device can pull on us */ 603 bool io_started; /* If IO has started */ 604 605 struct list_head inputs; /* The list of inputs */ 606 void *hiddev; /* The hiddev structure */ 607 void *hidraw; 608 609 char name[128]; /* Device name */ 610 char phys[64]; /* Device physical location */ 611 char uniq[64]; /* Device unique identifier (serial #) */ 612 613 void *driver_data; 614 615 /* temporary hid_ff handling (until moved to the drivers) */ 616 int (*ff_init)(struct hid_device *); 617 618 /* hiddev event handler */ 619 int (*hiddev_connect)(struct hid_device *, unsigned int); 620 void (*hiddev_disconnect)(struct hid_device *); 621 void (*hiddev_hid_event) (struct hid_device *, struct hid_field *field, 622 struct hid_usage *, __s32); 623 void (*hiddev_report_event) (struct hid_device *, struct hid_report *); 624 625 /* debugging support via debugfs */ 626 unsigned short debug; 627 struct dentry *debug_dir; 628 struct dentry *debug_rdesc; 629 struct dentry *debug_events; 630 struct list_head debug_list; 631 spinlock_t debug_list_lock; 632 wait_queue_head_t debug_wait; 633 }; 634 635 #define to_hid_device(pdev) \ 636 container_of(pdev, struct hid_device, dev) 637 638 static inline void *hid_get_drvdata(struct hid_device *hdev) 639 { 640 return dev_get_drvdata(&hdev->dev); 641 } 642 643 static inline void hid_set_drvdata(struct hid_device *hdev, void *data) 644 { 645 dev_set_drvdata(&hdev->dev, data); 646 } 647 648 #define HID_GLOBAL_STACK_SIZE 4 649 #define HID_COLLECTION_STACK_SIZE 4 650 651 #define HID_SCAN_FLAG_MT_WIN_8 BIT(0) 652 #define HID_SCAN_FLAG_VENDOR_SPECIFIC BIT(1) 653 #define HID_SCAN_FLAG_GD_POINTER BIT(2) 654 655 struct hid_parser { 656 struct hid_global global; 657 struct hid_global global_stack[HID_GLOBAL_STACK_SIZE]; 658 unsigned int global_stack_ptr; 659 struct hid_local local; 660 unsigned int *collection_stack; 661 unsigned int collection_stack_ptr; 662 unsigned int collection_stack_size; 663 struct hid_device *device; 664 unsigned int scan_flags; 665 }; 666 667 struct hid_class_descriptor { 668 __u8 bDescriptorType; 669 __le16 wDescriptorLength; 670 } __attribute__ ((packed)); 671 672 struct hid_descriptor { 673 __u8 bLength; 674 __u8 bDescriptorType; 675 __le16 bcdHID; 676 __u8 bCountryCode; 677 __u8 bNumDescriptors; 678 679 struct hid_class_descriptor desc[1]; 680 } __attribute__ ((packed)); 681 682 #define HID_DEVICE(b, g, ven, prod) \ 683 .bus = (b), .group = (g), .vendor = (ven), .product = (prod) 684 #define HID_USB_DEVICE(ven, prod) \ 685 .bus = BUS_USB, .vendor = (ven), .product = (prod) 686 #define HID_BLUETOOTH_DEVICE(ven, prod) \ 687 .bus = BUS_BLUETOOTH, .vendor = (ven), .product = (prod) 688 #define HID_I2C_DEVICE(ven, prod) \ 689 .bus = BUS_I2C, .vendor = (ven), .product = (prod) 690 691 #define HID_REPORT_ID(rep) \ 692 .report_type = (rep) 693 #define HID_USAGE_ID(uhid, utype, ucode) \ 694 .usage_hid = (uhid), .usage_type = (utype), .usage_code = (ucode) 695 /* we don't want to catch types and codes equal to 0 */ 696 #define HID_TERMINATOR (HID_ANY_ID - 1) 697 698 struct hid_report_id { 699 __u32 report_type; 700 }; 701 struct hid_usage_id { 702 __u32 usage_hid; 703 __u32 usage_type; 704 __u32 usage_code; 705 }; 706 707 /** 708 * struct hid_driver 709 * @name: driver name (e.g. "Footech_bar-wheel") 710 * @id_table: which devices is this driver for (must be non-NULL for probe 711 * to be called) 712 * @dyn_list: list of dynamically added device ids 713 * @dyn_lock: lock protecting @dyn_list 714 * @match: check if the given device is handled by this driver 715 * @probe: new device inserted 716 * @remove: device removed (NULL if not a hot-plug capable driver) 717 * @report_table: on which reports to call raw_event (NULL means all) 718 * @raw_event: if report in report_table, this hook is called (NULL means nop) 719 * @usage_table: on which events to call event (NULL means all) 720 * @event: if usage in usage_table, this hook is called (NULL means nop) 721 * @report: this hook is called after parsing a report (NULL means nop) 722 * @report_fixup: called before report descriptor parsing (NULL means nop) 723 * @input_mapping: invoked on input registering before mapping an usage 724 * @input_mapped: invoked on input registering after mapping an usage 725 * @input_configured: invoked just before the device is registered 726 * @feature_mapping: invoked on feature registering 727 * @suspend: invoked on suspend (NULL means nop) 728 * @resume: invoked on resume if device was not reset (NULL means nop) 729 * @reset_resume: invoked on resume if device was reset (NULL means nop) 730 * 731 * probe should return -errno on error, or 0 on success. During probe, 732 * input will not be passed to raw_event unless hid_device_io_start is 733 * called. 734 * 735 * raw_event and event should return negative on error, any other value will 736 * pass the event on to .event() typically return 0 for success. 737 * 738 * input_mapping shall return a negative value to completely ignore this usage 739 * (e.g. doubled or invalid usage), zero to continue with parsing of this 740 * usage by generic code (no special handling needed) or positive to skip 741 * generic parsing (needed special handling which was done in the hook already) 742 * input_mapped shall return negative to inform the layer that this usage 743 * should not be considered for further processing or zero to notify that 744 * no processing was performed and should be done in a generic manner 745 * Both these functions may be NULL which means the same behavior as returning 746 * zero from them. 747 */ 748 struct hid_driver { 749 char *name; 750 const struct hid_device_id *id_table; 751 752 struct list_head dyn_list; 753 spinlock_t dyn_lock; 754 755 bool (*match)(struct hid_device *dev, bool ignore_special_driver); 756 int (*probe)(struct hid_device *dev, const struct hid_device_id *id); 757 void (*remove)(struct hid_device *dev); 758 759 const struct hid_report_id *report_table; 760 int (*raw_event)(struct hid_device *hdev, struct hid_report *report, 761 u8 *data, int size); 762 const struct hid_usage_id *usage_table; 763 int (*event)(struct hid_device *hdev, struct hid_field *field, 764 struct hid_usage *usage, __s32 value); 765 void (*report)(struct hid_device *hdev, struct hid_report *report); 766 767 __u8 *(*report_fixup)(struct hid_device *hdev, __u8 *buf, 768 unsigned int *size); 769 770 int (*input_mapping)(struct hid_device *hdev, 771 struct hid_input *hidinput, struct hid_field *field, 772 struct hid_usage *usage, unsigned long **bit, int *max); 773 int (*input_mapped)(struct hid_device *hdev, 774 struct hid_input *hidinput, struct hid_field *field, 775 struct hid_usage *usage, unsigned long **bit, int *max); 776 int (*input_configured)(struct hid_device *hdev, 777 struct hid_input *hidinput); 778 void (*feature_mapping)(struct hid_device *hdev, 779 struct hid_field *field, 780 struct hid_usage *usage); 781 #ifdef CONFIG_PM 782 int (*suspend)(struct hid_device *hdev, pm_message_t message); 783 int (*resume)(struct hid_device *hdev); 784 int (*reset_resume)(struct hid_device *hdev); 785 #endif 786 /* private: */ 787 struct device_driver driver; 788 }; 789 790 #define to_hid_driver(pdrv) \ 791 container_of(pdrv, struct hid_driver, driver) 792 793 /** 794 * hid_ll_driver - low level driver callbacks 795 * @start: called on probe to start the device 796 * @stop: called on remove 797 * @open: called by input layer on open 798 * @close: called by input layer on close 799 * @power: request underlying hardware to enter requested power mode 800 * @parse: this method is called only once to parse the device data, 801 * shouldn't allocate anything to not leak memory 802 * @request: send report request to device (e.g. feature report) 803 * @wait: wait for buffered io to complete (send/recv reports) 804 * @raw_request: send raw report request to device (e.g. feature report) 805 * @output_report: send output report to device 806 * @idle: send idle request to device 807 */ 808 struct hid_ll_driver { 809 int (*start)(struct hid_device *hdev); 810 void (*stop)(struct hid_device *hdev); 811 812 int (*open)(struct hid_device *hdev); 813 void (*close)(struct hid_device *hdev); 814 815 int (*power)(struct hid_device *hdev, int level); 816 817 int (*parse)(struct hid_device *hdev); 818 819 void (*request)(struct hid_device *hdev, 820 struct hid_report *report, int reqtype); 821 822 int (*wait)(struct hid_device *hdev); 823 824 int (*raw_request) (struct hid_device *hdev, unsigned char reportnum, 825 __u8 *buf, size_t len, unsigned char rtype, 826 int reqtype); 827 828 int (*output_report) (struct hid_device *hdev, __u8 *buf, size_t len); 829 830 int (*idle)(struct hid_device *hdev, int report, int idle, int reqtype); 831 }; 832 833 extern struct hid_ll_driver i2c_hid_ll_driver; 834 extern struct hid_ll_driver hidp_hid_driver; 835 extern struct hid_ll_driver uhid_hid_driver; 836 extern struct hid_ll_driver usb_hid_driver; 837 838 static inline bool hid_is_using_ll_driver(struct hid_device *hdev, 839 struct hid_ll_driver *driver) 840 { 841 return hdev->ll_driver == driver; 842 } 843 844 #define PM_HINT_FULLON 1<<5 845 #define PM_HINT_NORMAL 1<<1 846 847 /* Applications from HID Usage Tables 4/8/99 Version 1.1 */ 848 /* We ignore a few input applications that are not widely used */ 849 #define IS_INPUT_APPLICATION(a) \ 850 (((a >= HID_UP_GENDESK) && (a <= HID_GD_MULTIAXIS)) \ 851 || ((a >= HID_DG_PEN) && (a <= HID_DG_WHITEBOARD)) \ 852 || (a == HID_GD_SYSTEM_CONTROL) || (a == HID_CP_CONSUMER_CONTROL) \ 853 || (a == HID_GD_WIRELESS_RADIO_CTLS)) 854 855 /* HID core API */ 856 857 extern int hid_debug; 858 859 extern bool hid_ignore(struct hid_device *); 860 extern int hid_add_device(struct hid_device *); 861 extern void hid_destroy_device(struct hid_device *); 862 863 extern struct bus_type hid_bus_type; 864 865 extern int __must_check __hid_register_driver(struct hid_driver *, 866 struct module *, const char *mod_name); 867 868 /* use a define to avoid include chaining to get THIS_MODULE & friends */ 869 #define hid_register_driver(driver) \ 870 __hid_register_driver(driver, THIS_MODULE, KBUILD_MODNAME) 871 872 extern void hid_unregister_driver(struct hid_driver *); 873 874 /** 875 * module_hid_driver() - Helper macro for registering a HID driver 876 * @__hid_driver: hid_driver struct 877 * 878 * Helper macro for HID drivers which do not do anything special in module 879 * init/exit. This eliminates a lot of boilerplate. Each module may only 880 * use this macro once, and calling it replaces module_init() and module_exit() 881 */ 882 #define module_hid_driver(__hid_driver) \ 883 module_driver(__hid_driver, hid_register_driver, \ 884 hid_unregister_driver) 885 886 extern void hidinput_hid_event(struct hid_device *, struct hid_field *, struct hid_usage *, __s32); 887 extern void hidinput_report_event(struct hid_device *hid, struct hid_report *report); 888 extern int hidinput_connect(struct hid_device *hid, unsigned int force); 889 extern void hidinput_disconnect(struct hid_device *); 890 891 int hid_set_field(struct hid_field *, unsigned, __s32); 892 int hid_input_report(struct hid_device *, int type, u8 *, u32, int); 893 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field); 894 struct hid_field *hidinput_get_led_field(struct hid_device *hid); 895 unsigned int hidinput_count_leds(struct hid_device *hid); 896 __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code); 897 void hid_output_report(struct hid_report *report, __u8 *data); 898 int __hid_request(struct hid_device *hid, struct hid_report *rep, int reqtype); 899 u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags); 900 struct hid_device *hid_allocate_device(void); 901 struct hid_report *hid_register_report(struct hid_device *device, 902 unsigned int type, unsigned int id, 903 unsigned int application); 904 int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size); 905 struct hid_report *hid_validate_values(struct hid_device *hid, 906 unsigned int type, unsigned int id, 907 unsigned int field_index, 908 unsigned int report_counts); 909 910 void hid_setup_resolution_multiplier(struct hid_device *hid); 911 int hid_open_report(struct hid_device *device); 912 int hid_check_keys_pressed(struct hid_device *hid); 913 int hid_connect(struct hid_device *hid, unsigned int connect_mask); 914 void hid_disconnect(struct hid_device *hid); 915 bool hid_match_one_id(const struct hid_device *hdev, 916 const struct hid_device_id *id); 917 const struct hid_device_id *hid_match_id(const struct hid_device *hdev, 918 const struct hid_device_id *id); 919 const struct hid_device_id *hid_match_device(struct hid_device *hdev, 920 struct hid_driver *hdrv); 921 bool hid_compare_device_paths(struct hid_device *hdev_a, 922 struct hid_device *hdev_b, char separator); 923 s32 hid_snto32(__u32 value, unsigned n); 924 __u32 hid_field_extract(const struct hid_device *hid, __u8 *report, 925 unsigned offset, unsigned n); 926 927 /** 928 * hid_device_io_start - enable HID input during probe, remove 929 * 930 * @hid - the device 931 * 932 * This should only be called during probe or remove and only be 933 * called by the thread calling probe or remove. It will allow 934 * incoming packets to be delivered to the driver. 935 */ 936 static inline void hid_device_io_start(struct hid_device *hid) { 937 if (hid->io_started) { 938 dev_warn(&hid->dev, "io already started\n"); 939 return; 940 } 941 hid->io_started = true; 942 up(&hid->driver_input_lock); 943 } 944 945 /** 946 * hid_device_io_stop - disable HID input during probe, remove 947 * 948 * @hid - the device 949 * 950 * Should only be called after hid_device_io_start. It will prevent 951 * incoming packets from going to the driver for the duration of 952 * probe, remove. If called during probe, packets will still go to the 953 * driver after probe is complete. This function should only be called 954 * by the thread calling probe or remove. 955 */ 956 static inline void hid_device_io_stop(struct hid_device *hid) { 957 if (!hid->io_started) { 958 dev_warn(&hid->dev, "io already stopped\n"); 959 return; 960 } 961 hid->io_started = false; 962 down(&hid->driver_input_lock); 963 } 964 965 /** 966 * hid_map_usage - map usage input bits 967 * 968 * @hidinput: hidinput which we are interested in 969 * @usage: usage to fill in 970 * @bit: pointer to input->{}bit (out parameter) 971 * @max: maximal valid usage->code to consider later (out parameter) 972 * @type: input event type (EV_KEY, EV_REL, ...) 973 * @c: code which corresponds to this usage and type 974 */ 975 static inline void hid_map_usage(struct hid_input *hidinput, 976 struct hid_usage *usage, unsigned long **bit, int *max, 977 __u8 type, __u16 c) 978 { 979 struct input_dev *input = hidinput->input; 980 981 usage->type = type; 982 usage->code = c; 983 984 switch (type) { 985 case EV_ABS: 986 *bit = input->absbit; 987 *max = ABS_MAX; 988 break; 989 case EV_REL: 990 *bit = input->relbit; 991 *max = REL_MAX; 992 break; 993 case EV_KEY: 994 *bit = input->keybit; 995 *max = KEY_MAX; 996 break; 997 case EV_LED: 998 *bit = input->ledbit; 999 *max = LED_MAX; 1000 break; 1001 } 1002 } 1003 1004 /** 1005 * hid_map_usage_clear - map usage input bits and clear the input bit 1006 * 1007 * The same as hid_map_usage, except the @c bit is also cleared in supported 1008 * bits (@bit). 1009 */ 1010 static inline void hid_map_usage_clear(struct hid_input *hidinput, 1011 struct hid_usage *usage, unsigned long **bit, int *max, 1012 __u8 type, __u16 c) 1013 { 1014 hid_map_usage(hidinput, usage, bit, max, type, c); 1015 clear_bit(c, *bit); 1016 } 1017 1018 /** 1019 * hid_parse - parse HW reports 1020 * 1021 * @hdev: hid device 1022 * 1023 * Call this from probe after you set up the device (if needed). Your 1024 * report_fixup will be called (if non-NULL) after reading raw report from 1025 * device before passing it to hid layer for real parsing. 1026 */ 1027 static inline int __must_check hid_parse(struct hid_device *hdev) 1028 { 1029 return hid_open_report(hdev); 1030 } 1031 1032 int __must_check hid_hw_start(struct hid_device *hdev, 1033 unsigned int connect_mask); 1034 void hid_hw_stop(struct hid_device *hdev); 1035 int __must_check hid_hw_open(struct hid_device *hdev); 1036 void hid_hw_close(struct hid_device *hdev); 1037 1038 /** 1039 * hid_hw_power - requests underlying HW to go into given power mode 1040 * 1041 * @hdev: hid device 1042 * @level: requested power level (one of %PM_HINT_* defines) 1043 * 1044 * This function requests underlying hardware to enter requested power 1045 * mode. 1046 */ 1047 1048 static inline int hid_hw_power(struct hid_device *hdev, int level) 1049 { 1050 return hdev->ll_driver->power ? hdev->ll_driver->power(hdev, level) : 0; 1051 } 1052 1053 1054 /** 1055 * hid_hw_request - send report request to device 1056 * 1057 * @hdev: hid device 1058 * @report: report to send 1059 * @reqtype: hid request type 1060 */ 1061 static inline void hid_hw_request(struct hid_device *hdev, 1062 struct hid_report *report, int reqtype) 1063 { 1064 if (hdev->ll_driver->request) 1065 return hdev->ll_driver->request(hdev, report, reqtype); 1066 1067 __hid_request(hdev, report, reqtype); 1068 } 1069 1070 /** 1071 * hid_hw_raw_request - send report request to device 1072 * 1073 * @hdev: hid device 1074 * @reportnum: report ID 1075 * @buf: in/out data to transfer 1076 * @len: length of buf 1077 * @rtype: HID report type 1078 * @reqtype: HID_REQ_GET_REPORT or HID_REQ_SET_REPORT 1079 * 1080 * @return: count of data transfered, negative if error 1081 * 1082 * Same behavior as hid_hw_request, but with raw buffers instead. 1083 */ 1084 static inline int hid_hw_raw_request(struct hid_device *hdev, 1085 unsigned char reportnum, __u8 *buf, 1086 size_t len, unsigned char rtype, int reqtype) 1087 { 1088 if (len < 1 || len > HID_MAX_BUFFER_SIZE || !buf) 1089 return -EINVAL; 1090 1091 return hdev->ll_driver->raw_request(hdev, reportnum, buf, len, 1092 rtype, reqtype); 1093 } 1094 1095 /** 1096 * hid_hw_output_report - send output report to device 1097 * 1098 * @hdev: hid device 1099 * @buf: raw data to transfer 1100 * @len: length of buf 1101 * 1102 * @return: count of data transfered, negative if error 1103 */ 1104 static inline int hid_hw_output_report(struct hid_device *hdev, __u8 *buf, 1105 size_t len) 1106 { 1107 if (len < 1 || len > HID_MAX_BUFFER_SIZE || !buf) 1108 return -EINVAL; 1109 1110 if (hdev->ll_driver->output_report) 1111 return hdev->ll_driver->output_report(hdev, buf, len); 1112 1113 return -ENOSYS; 1114 } 1115 1116 /** 1117 * hid_hw_idle - send idle request to device 1118 * 1119 * @hdev: hid device 1120 * @report: report to control 1121 * @idle: idle state 1122 * @reqtype: hid request type 1123 */ 1124 static inline int hid_hw_idle(struct hid_device *hdev, int report, int idle, 1125 int reqtype) 1126 { 1127 if (hdev->ll_driver->idle) 1128 return hdev->ll_driver->idle(hdev, report, idle, reqtype); 1129 1130 return 0; 1131 } 1132 1133 /** 1134 * hid_hw_wait - wait for buffered io to complete 1135 * 1136 * @hdev: hid device 1137 */ 1138 static inline void hid_hw_wait(struct hid_device *hdev) 1139 { 1140 if (hdev->ll_driver->wait) 1141 hdev->ll_driver->wait(hdev); 1142 } 1143 1144 /** 1145 * hid_report_len - calculate the report length 1146 * 1147 * @report: the report we want to know the length 1148 */ 1149 static inline u32 hid_report_len(struct hid_report *report) 1150 { 1151 /* equivalent to DIV_ROUND_UP(report->size, 8) + !!(report->id > 0) */ 1152 return ((report->size - 1) >> 3) + 1 + (report->id > 0); 1153 } 1154 1155 int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, u32 size, 1156 int interrupt); 1157 1158 /* HID quirks API */ 1159 unsigned long hid_lookup_quirk(const struct hid_device *hdev); 1160 int hid_quirks_init(char **quirks_param, __u16 bus, int count); 1161 void hid_quirks_exit(__u16 bus); 1162 1163 #ifdef CONFIG_HID_PID 1164 int hid_pidff_init(struct hid_device *hid); 1165 #else 1166 #define hid_pidff_init NULL 1167 #endif 1168 1169 #define dbg_hid(format, arg...) \ 1170 do { \ 1171 if (hid_debug) \ 1172 printk(KERN_DEBUG "%s: " format, __FILE__, ##arg); \ 1173 } while (0) 1174 1175 #define hid_printk(level, hid, fmt, arg...) \ 1176 dev_printk(level, &(hid)->dev, fmt, ##arg) 1177 #define hid_emerg(hid, fmt, arg...) \ 1178 dev_emerg(&(hid)->dev, fmt, ##arg) 1179 #define hid_crit(hid, fmt, arg...) \ 1180 dev_crit(&(hid)->dev, fmt, ##arg) 1181 #define hid_alert(hid, fmt, arg...) \ 1182 dev_alert(&(hid)->dev, fmt, ##arg) 1183 #define hid_err(hid, fmt, arg...) \ 1184 dev_err(&(hid)->dev, fmt, ##arg) 1185 #define hid_notice(hid, fmt, arg...) \ 1186 dev_notice(&(hid)->dev, fmt, ##arg) 1187 #define hid_warn(hid, fmt, arg...) \ 1188 dev_warn(&(hid)->dev, fmt, ##arg) 1189 #define hid_info(hid, fmt, arg...) \ 1190 dev_info(&(hid)->dev, fmt, ##arg) 1191 #define hid_dbg(hid, fmt, arg...) \ 1192 dev_dbg(&(hid)->dev, fmt, ##arg) 1193 1194 #endif 1195