1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Copyright (c) 1999 Andreas Gal 4 * Copyright (c) 2000-2001 Vojtech Pavlik 5 * Copyright (c) 2006-2007 Jiri Kosina 6 */ 7 /* 8 * 9 * Should you need to contact me, the author, you can do so either by 10 * e-mail - mail your message to <[email protected]>, or by paper mail: 11 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic 12 */ 13 #ifndef __HID_H 14 #define __HID_H 15 16 17 #include <linux/bitops.h> 18 #include <linux/types.h> 19 #include <linux/slab.h> 20 #include <linux/list.h> 21 #include <linux/mod_devicetable.h> /* hid_device_id */ 22 #include <linux/timer.h> 23 #include <linux/workqueue.h> 24 #include <linux/input.h> 25 #include <linux/semaphore.h> 26 #include <linux/mutex.h> 27 #include <linux/power_supply.h> 28 #include <uapi/linux/hid.h> 29 30 /* 31 * We parse each description item into this structure. Short items data 32 * values are expanded to 32-bit signed int, long items contain a pointer 33 * into the data area. 34 */ 35 36 struct hid_item { 37 unsigned format; 38 __u8 size; 39 __u8 type; 40 __u8 tag; 41 union { 42 __u8 u8; 43 __s8 s8; 44 __u16 u16; 45 __s16 s16; 46 __u32 u32; 47 __s32 s32; 48 __u8 *longdata; 49 } data; 50 }; 51 52 /* 53 * HID report item format 54 */ 55 56 #define HID_ITEM_FORMAT_SHORT 0 57 #define HID_ITEM_FORMAT_LONG 1 58 59 /* 60 * Special tag indicating long items 61 */ 62 63 #define HID_ITEM_TAG_LONG 15 64 65 /* 66 * HID report descriptor item type (prefix bit 2,3) 67 */ 68 69 #define HID_ITEM_TYPE_MAIN 0 70 #define HID_ITEM_TYPE_GLOBAL 1 71 #define HID_ITEM_TYPE_LOCAL 2 72 #define HID_ITEM_TYPE_RESERVED 3 73 74 /* 75 * HID report descriptor main item tags 76 */ 77 78 #define HID_MAIN_ITEM_TAG_INPUT 8 79 #define HID_MAIN_ITEM_TAG_OUTPUT 9 80 #define HID_MAIN_ITEM_TAG_FEATURE 11 81 #define HID_MAIN_ITEM_TAG_BEGIN_COLLECTION 10 82 #define HID_MAIN_ITEM_TAG_END_COLLECTION 12 83 84 /* 85 * HID report descriptor main item contents 86 */ 87 88 #define HID_MAIN_ITEM_CONSTANT 0x001 89 #define HID_MAIN_ITEM_VARIABLE 0x002 90 #define HID_MAIN_ITEM_RELATIVE 0x004 91 #define HID_MAIN_ITEM_WRAP 0x008 92 #define HID_MAIN_ITEM_NONLINEAR 0x010 93 #define HID_MAIN_ITEM_NO_PREFERRED 0x020 94 #define HID_MAIN_ITEM_NULL_STATE 0x040 95 #define HID_MAIN_ITEM_VOLATILE 0x080 96 #define HID_MAIN_ITEM_BUFFERED_BYTE 0x100 97 98 /* 99 * HID report descriptor collection item types 100 */ 101 102 #define HID_COLLECTION_PHYSICAL 0 103 #define HID_COLLECTION_APPLICATION 1 104 #define HID_COLLECTION_LOGICAL 2 105 106 /* 107 * HID report descriptor global item tags 108 */ 109 110 #define HID_GLOBAL_ITEM_TAG_USAGE_PAGE 0 111 #define HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM 1 112 #define HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM 2 113 #define HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM 3 114 #define HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM 4 115 #define HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT 5 116 #define HID_GLOBAL_ITEM_TAG_UNIT 6 117 #define HID_GLOBAL_ITEM_TAG_REPORT_SIZE 7 118 #define HID_GLOBAL_ITEM_TAG_REPORT_ID 8 119 #define HID_GLOBAL_ITEM_TAG_REPORT_COUNT 9 120 #define HID_GLOBAL_ITEM_TAG_PUSH 10 121 #define HID_GLOBAL_ITEM_TAG_POP 11 122 123 /* 124 * HID report descriptor local item tags 125 */ 126 127 #define HID_LOCAL_ITEM_TAG_USAGE 0 128 #define HID_LOCAL_ITEM_TAG_USAGE_MINIMUM 1 129 #define HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM 2 130 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_INDEX 3 131 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_MINIMUM 4 132 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_MAXIMUM 5 133 #define HID_LOCAL_ITEM_TAG_STRING_INDEX 7 134 #define HID_LOCAL_ITEM_TAG_STRING_MINIMUM 8 135 #define HID_LOCAL_ITEM_TAG_STRING_MAXIMUM 9 136 #define HID_LOCAL_ITEM_TAG_DELIMITER 10 137 138 /* 139 * HID usage tables 140 */ 141 142 #define HID_USAGE_PAGE 0xffff0000 143 144 #define HID_UP_UNDEFINED 0x00000000 145 #define HID_UP_GENDESK 0x00010000 146 #define HID_UP_SIMULATION 0x00020000 147 #define HID_UP_GENDEVCTRLS 0x00060000 148 #define HID_UP_KEYBOARD 0x00070000 149 #define HID_UP_LED 0x00080000 150 #define HID_UP_BUTTON 0x00090000 151 #define HID_UP_ORDINAL 0x000a0000 152 #define HID_UP_TELEPHONY 0x000b0000 153 #define HID_UP_CONSUMER 0x000c0000 154 #define HID_UP_DIGITIZER 0x000d0000 155 #define HID_UP_PID 0x000f0000 156 #define HID_UP_HPVENDOR 0xff7f0000 157 #define HID_UP_HPVENDOR2 0xff010000 158 #define HID_UP_MSVENDOR 0xff000000 159 #define HID_UP_CUSTOM 0x00ff0000 160 #define HID_UP_LOGIVENDOR 0xffbc0000 161 #define HID_UP_LOGIVENDOR2 0xff090000 162 #define HID_UP_LOGIVENDOR3 0xff430000 163 #define HID_UP_LNVENDOR 0xffa00000 164 #define HID_UP_SENSOR 0x00200000 165 #define HID_UP_ASUSVENDOR 0xff310000 166 #define HID_UP_GOOGLEVENDOR 0xffd10000 167 168 #define HID_USAGE 0x0000ffff 169 170 #define HID_GD_POINTER 0x00010001 171 #define HID_GD_MOUSE 0x00010002 172 #define HID_GD_JOYSTICK 0x00010004 173 #define HID_GD_GAMEPAD 0x00010005 174 #define HID_GD_KEYBOARD 0x00010006 175 #define HID_GD_KEYPAD 0x00010007 176 #define HID_GD_MULTIAXIS 0x00010008 177 /* 178 * Microsoft Win8 Wireless Radio Controls extensions CA, see: 179 * http://www.usb.org/developers/hidpage/HUTRR40RadioHIDUsagesFinal.pdf 180 */ 181 #define HID_GD_WIRELESS_RADIO_CTLS 0x0001000c 182 /* 183 * System Multi-Axis, see: 184 * http://www.usb.org/developers/hidpage/HUTRR62_-_Generic_Desktop_CA_for_System_Multi-Axis_Controllers.txt 185 */ 186 #define HID_GD_SYSTEM_MULTIAXIS 0x0001000e 187 188 #define HID_GD_X 0x00010030 189 #define HID_GD_Y 0x00010031 190 #define HID_GD_Z 0x00010032 191 #define HID_GD_RX 0x00010033 192 #define HID_GD_RY 0x00010034 193 #define HID_GD_RZ 0x00010035 194 #define HID_GD_SLIDER 0x00010036 195 #define HID_GD_DIAL 0x00010037 196 #define HID_GD_WHEEL 0x00010038 197 #define HID_GD_HATSWITCH 0x00010039 198 #define HID_GD_BUFFER 0x0001003a 199 #define HID_GD_BYTECOUNT 0x0001003b 200 #define HID_GD_MOTION 0x0001003c 201 #define HID_GD_START 0x0001003d 202 #define HID_GD_SELECT 0x0001003e 203 #define HID_GD_VX 0x00010040 204 #define HID_GD_VY 0x00010041 205 #define HID_GD_VZ 0x00010042 206 #define HID_GD_VBRX 0x00010043 207 #define HID_GD_VBRY 0x00010044 208 #define HID_GD_VBRZ 0x00010045 209 #define HID_GD_VNO 0x00010046 210 #define HID_GD_FEATURE 0x00010047 211 #define HID_GD_RESOLUTION_MULTIPLIER 0x00010048 212 #define HID_GD_SYSTEM_CONTROL 0x00010080 213 #define HID_GD_UP 0x00010090 214 #define HID_GD_DOWN 0x00010091 215 #define HID_GD_RIGHT 0x00010092 216 #define HID_GD_LEFT 0x00010093 217 /* Microsoft Win8 Wireless Radio Controls CA usage codes */ 218 #define HID_GD_RFKILL_BTN 0x000100c6 219 #define HID_GD_RFKILL_LED 0x000100c7 220 #define HID_GD_RFKILL_SWITCH 0x000100c8 221 222 #define HID_DC_BATTERYSTRENGTH 0x00060020 223 224 #define HID_CP_CONSUMER_CONTROL 0x000c0001 225 #define HID_CP_AC_PAN 0x000c0238 226 227 #define HID_DG_DIGITIZER 0x000d0001 228 #define HID_DG_PEN 0x000d0002 229 #define HID_DG_LIGHTPEN 0x000d0003 230 #define HID_DG_TOUCHSCREEN 0x000d0004 231 #define HID_DG_TOUCHPAD 0x000d0005 232 #define HID_DG_WHITEBOARD 0x000d0006 233 #define HID_DG_STYLUS 0x000d0020 234 #define HID_DG_PUCK 0x000d0021 235 #define HID_DG_FINGER 0x000d0022 236 #define HID_DG_TIPPRESSURE 0x000d0030 237 #define HID_DG_BARRELPRESSURE 0x000d0031 238 #define HID_DG_INRANGE 0x000d0032 239 #define HID_DG_TOUCH 0x000d0033 240 #define HID_DG_UNTOUCH 0x000d0034 241 #define HID_DG_TAP 0x000d0035 242 #define HID_DG_TABLETFUNCTIONKEY 0x000d0039 243 #define HID_DG_PROGRAMCHANGEKEY 0x000d003a 244 #define HID_DG_BATTERYSTRENGTH 0x000d003b 245 #define HID_DG_INVERT 0x000d003c 246 #define HID_DG_TILT_X 0x000d003d 247 #define HID_DG_TILT_Y 0x000d003e 248 #define HID_DG_TWIST 0x000d0041 249 #define HID_DG_TIPSWITCH 0x000d0042 250 #define HID_DG_TIPSWITCH2 0x000d0043 251 #define HID_DG_BARRELSWITCH 0x000d0044 252 #define HID_DG_ERASER 0x000d0045 253 #define HID_DG_TABLETPICK 0x000d0046 254 255 #define HID_CP_CONSUMERCONTROL 0x000c0001 256 #define HID_CP_NUMERICKEYPAD 0x000c0002 257 #define HID_CP_PROGRAMMABLEBUTTONS 0x000c0003 258 #define HID_CP_MICROPHONE 0x000c0004 259 #define HID_CP_HEADPHONE 0x000c0005 260 #define HID_CP_GRAPHICEQUALIZER 0x000c0006 261 #define HID_CP_FUNCTIONBUTTONS 0x000c0036 262 #define HID_CP_SELECTION 0x000c0080 263 #define HID_CP_MEDIASELECTION 0x000c0087 264 #define HID_CP_SELECTDISC 0x000c00ba 265 #define HID_CP_PLAYBACKSPEED 0x000c00f1 266 #define HID_CP_PROXIMITY 0x000c0109 267 #define HID_CP_SPEAKERSYSTEM 0x000c0160 268 #define HID_CP_CHANNELLEFT 0x000c0161 269 #define HID_CP_CHANNELRIGHT 0x000c0162 270 #define HID_CP_CHANNELCENTER 0x000c0163 271 #define HID_CP_CHANNELFRONT 0x000c0164 272 #define HID_CP_CHANNELCENTERFRONT 0x000c0165 273 #define HID_CP_CHANNELSIDE 0x000c0166 274 #define HID_CP_CHANNELSURROUND 0x000c0167 275 #define HID_CP_CHANNELLOWFREQUENCYENHANCEMENT 0x000c0168 276 #define HID_CP_CHANNELTOP 0x000c0169 277 #define HID_CP_CHANNELUNKNOWN 0x000c016a 278 #define HID_CP_APPLICATIONLAUNCHBUTTONS 0x000c0180 279 #define HID_CP_GENERICGUIAPPLICATIONCONTROLS 0x000c0200 280 281 #define HID_DG_DEVICECONFIG 0x000d000e 282 #define HID_DG_DEVICESETTINGS 0x000d0023 283 #define HID_DG_AZIMUTH 0x000d003f 284 #define HID_DG_CONFIDENCE 0x000d0047 285 #define HID_DG_WIDTH 0x000d0048 286 #define HID_DG_HEIGHT 0x000d0049 287 #define HID_DG_CONTACTID 0x000d0051 288 #define HID_DG_INPUTMODE 0x000d0052 289 #define HID_DG_DEVICEINDEX 0x000d0053 290 #define HID_DG_CONTACTCOUNT 0x000d0054 291 #define HID_DG_CONTACTMAX 0x000d0055 292 #define HID_DG_SCANTIME 0x000d0056 293 #define HID_DG_SURFACESWITCH 0x000d0057 294 #define HID_DG_BUTTONSWITCH 0x000d0058 295 #define HID_DG_BUTTONTYPE 0x000d0059 296 #define HID_DG_BARRELSWITCH2 0x000d005a 297 #define HID_DG_TOOLSERIALNUMBER 0x000d005b 298 #define HID_DG_LATENCYMODE 0x000d0060 299 300 #define HID_VD_ASUS_CUSTOM_MEDIA_KEYS 0xff310076 301 /* 302 * HID report types --- Ouch! HID spec says 1 2 3! 303 */ 304 305 #define HID_INPUT_REPORT 0 306 #define HID_OUTPUT_REPORT 1 307 #define HID_FEATURE_REPORT 2 308 309 #define HID_REPORT_TYPES 3 310 311 /* 312 * HID connect requests 313 */ 314 315 #define HID_CONNECT_HIDINPUT BIT(0) 316 #define HID_CONNECT_HIDINPUT_FORCE BIT(1) 317 #define HID_CONNECT_HIDRAW BIT(2) 318 #define HID_CONNECT_HIDDEV BIT(3) 319 #define HID_CONNECT_HIDDEV_FORCE BIT(4) 320 #define HID_CONNECT_FF BIT(5) 321 #define HID_CONNECT_DRIVER BIT(6) 322 #define HID_CONNECT_DEFAULT (HID_CONNECT_HIDINPUT|HID_CONNECT_HIDRAW| \ 323 HID_CONNECT_HIDDEV|HID_CONNECT_FF) 324 325 /* 326 * HID device quirks. 327 */ 328 329 /* 330 * Increase this if you need to configure more HID quirks at module load time 331 */ 332 #define MAX_USBHID_BOOT_QUIRKS 4 333 334 #define HID_QUIRK_INVERT BIT(0) 335 #define HID_QUIRK_NOTOUCH BIT(1) 336 #define HID_QUIRK_IGNORE BIT(2) 337 #define HID_QUIRK_NOGET BIT(3) 338 #define HID_QUIRK_HIDDEV_FORCE BIT(4) 339 #define HID_QUIRK_BADPAD BIT(5) 340 #define HID_QUIRK_MULTI_INPUT BIT(6) 341 #define HID_QUIRK_HIDINPUT_FORCE BIT(7) 342 /* BIT(8) reserved for backward compatibility, was HID_QUIRK_NO_EMPTY_INPUT */ 343 /* BIT(9) reserved for backward compatibility, was NO_INIT_INPUT_REPORTS */ 344 #define HID_QUIRK_ALWAYS_POLL BIT(10) 345 #define HID_QUIRK_INPUT_PER_APP BIT(11) 346 #define HID_QUIRK_SKIP_OUTPUT_REPORTS BIT(16) 347 #define HID_QUIRK_SKIP_OUTPUT_REPORT_ID BIT(17) 348 #define HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP BIT(18) 349 #define HID_QUIRK_HAVE_SPECIAL_DRIVER BIT(19) 350 #define HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE BIT(20) 351 #define HID_QUIRK_FULLSPEED_INTERVAL BIT(28) 352 #define HID_QUIRK_NO_INIT_REPORTS BIT(29) 353 #define HID_QUIRK_NO_IGNORE BIT(30) 354 #define HID_QUIRK_NO_INPUT_SYNC BIT(31) 355 356 /* 357 * HID device groups 358 * 359 * Note: HID_GROUP_ANY is declared in linux/mod_devicetable.h 360 * and has a value of 0x0000 361 */ 362 #define HID_GROUP_GENERIC 0x0001 363 #define HID_GROUP_MULTITOUCH 0x0002 364 #define HID_GROUP_SENSOR_HUB 0x0003 365 #define HID_GROUP_MULTITOUCH_WIN_8 0x0004 366 367 /* 368 * Vendor specific HID device groups 369 */ 370 #define HID_GROUP_RMI 0x0100 371 #define HID_GROUP_WACOM 0x0101 372 #define HID_GROUP_LOGITECH_DJ_DEVICE 0x0102 373 #define HID_GROUP_STEAM 0x0103 374 #define HID_GROUP_LOGITECH_27MHZ_DEVICE 0x0104 375 #define HID_GROUP_VIVALDI 0x0105 376 377 /* 378 * HID protocol status 379 */ 380 #define HID_REPORT_PROTOCOL 1 381 #define HID_BOOT_PROTOCOL 0 382 383 /* 384 * This is the global environment of the parser. This information is 385 * persistent for main-items. The global environment can be saved and 386 * restored with PUSH/POP statements. 387 */ 388 389 struct hid_global { 390 unsigned usage_page; 391 __s32 logical_minimum; 392 __s32 logical_maximum; 393 __s32 physical_minimum; 394 __s32 physical_maximum; 395 __s32 unit_exponent; 396 unsigned unit; 397 unsigned report_id; 398 unsigned report_size; 399 unsigned report_count; 400 }; 401 402 /* 403 * This is the local environment. It is persistent up the next main-item. 404 */ 405 406 #define HID_MAX_USAGES 12288 407 #define HID_DEFAULT_NUM_COLLECTIONS 16 408 409 struct hid_local { 410 unsigned usage[HID_MAX_USAGES]; /* usage array */ 411 u8 usage_size[HID_MAX_USAGES]; /* usage size array */ 412 unsigned collection_index[HID_MAX_USAGES]; /* collection index array */ 413 unsigned usage_index; 414 unsigned usage_minimum; 415 unsigned delimiter_depth; 416 unsigned delimiter_branch; 417 }; 418 419 /* 420 * This is the collection stack. We climb up the stack to determine 421 * application and function of each field. 422 */ 423 424 struct hid_collection { 425 int parent_idx; /* device->collection */ 426 unsigned type; 427 unsigned usage; 428 unsigned level; 429 }; 430 431 struct hid_usage { 432 unsigned hid; /* hid usage code */ 433 unsigned collection_index; /* index into collection array */ 434 unsigned usage_index; /* index into usage array */ 435 __s8 resolution_multiplier;/* Effective Resolution Multiplier 436 (HUT v1.12, 4.3.1), default: 1 */ 437 /* hidinput data */ 438 __s8 wheel_factor; /* 120/resolution_multiplier */ 439 __u16 code; /* input driver code */ 440 __u8 type; /* input driver type */ 441 __s8 hat_min; /* hat switch fun */ 442 __s8 hat_max; /* ditto */ 443 __s8 hat_dir; /* ditto */ 444 __s16 wheel_accumulated; /* hi-res wheel */ 445 }; 446 447 struct hid_input; 448 449 struct hid_field { 450 unsigned physical; /* physical usage for this field */ 451 unsigned logical; /* logical usage for this field */ 452 unsigned application; /* application usage for this field */ 453 struct hid_usage *usage; /* usage table for this function */ 454 unsigned maxusage; /* maximum usage index */ 455 unsigned flags; /* main-item flags (i.e. volatile,array,constant) */ 456 unsigned report_offset; /* bit offset in the report */ 457 unsigned report_size; /* size of this field in the report */ 458 unsigned report_count; /* number of this field in the report */ 459 unsigned report_type; /* (input,output,feature) */ 460 __s32 *value; /* last known value(s) */ 461 __s32 logical_minimum; 462 __s32 logical_maximum; 463 __s32 physical_minimum; 464 __s32 physical_maximum; 465 __s32 unit_exponent; 466 unsigned unit; 467 struct hid_report *report; /* associated report */ 468 unsigned index; /* index into report->field[] */ 469 /* hidinput data */ 470 struct hid_input *hidinput; /* associated input structure */ 471 __u16 dpad; /* dpad input code */ 472 }; 473 474 #define HID_MAX_FIELDS 256 475 476 struct hid_report { 477 struct list_head list; 478 struct list_head hidinput_list; 479 unsigned int id; /* id of this report */ 480 unsigned int type; /* report type */ 481 unsigned int application; /* application usage for this report */ 482 struct hid_field *field[HID_MAX_FIELDS]; /* fields of the report */ 483 unsigned maxfield; /* maximum valid field index */ 484 unsigned size; /* size of the report (bits) */ 485 struct hid_device *device; /* associated device */ 486 }; 487 488 #define HID_MAX_IDS 256 489 490 struct hid_report_enum { 491 unsigned numbered; 492 struct list_head report_list; 493 struct hid_report *report_id_hash[HID_MAX_IDS]; 494 }; 495 496 #define HID_MIN_BUFFER_SIZE 64 /* make sure there is at least a packet size of space */ 497 #define HID_MAX_BUFFER_SIZE 16384 /* 16kb */ 498 #define HID_CONTROL_FIFO_SIZE 256 /* to init devices with >100 reports */ 499 #define HID_OUTPUT_FIFO_SIZE 64 500 501 struct hid_control_fifo { 502 unsigned char dir; 503 struct hid_report *report; 504 char *raw_report; 505 }; 506 507 struct hid_output_fifo { 508 struct hid_report *report; 509 char *raw_report; 510 }; 511 512 #define HID_CLAIMED_INPUT BIT(0) 513 #define HID_CLAIMED_HIDDEV BIT(1) 514 #define HID_CLAIMED_HIDRAW BIT(2) 515 #define HID_CLAIMED_DRIVER BIT(3) 516 517 #define HID_STAT_ADDED BIT(0) 518 #define HID_STAT_PARSED BIT(1) 519 #define HID_STAT_DUP_DETECTED BIT(2) 520 #define HID_STAT_REPROBED BIT(3) 521 522 struct hid_input { 523 struct list_head list; 524 struct hid_report *report; 525 struct input_dev *input; 526 const char *name; 527 bool registered; 528 struct list_head reports; /* the list of reports */ 529 unsigned int application; /* application usage for this input */ 530 }; 531 532 enum hid_type { 533 HID_TYPE_OTHER = 0, 534 HID_TYPE_USBMOUSE, 535 HID_TYPE_USBNONE 536 }; 537 538 enum hid_battery_status { 539 HID_BATTERY_UNKNOWN = 0, 540 HID_BATTERY_QUERIED, /* Kernel explicitly queried battery strength */ 541 HID_BATTERY_REPORTED, /* Device sent unsolicited battery strength report */ 542 }; 543 544 struct hid_driver; 545 struct hid_ll_driver; 546 547 struct hid_device { /* device report descriptor */ 548 __u8 *dev_rdesc; 549 unsigned dev_rsize; 550 __u8 *rdesc; 551 unsigned rsize; 552 struct hid_collection *collection; /* List of HID collections */ 553 unsigned collection_size; /* Number of allocated hid_collections */ 554 unsigned maxcollection; /* Number of parsed collections */ 555 unsigned maxapplication; /* Number of applications */ 556 __u16 bus; /* BUS ID */ 557 __u16 group; /* Report group */ 558 __u32 vendor; /* Vendor ID */ 559 __u32 product; /* Product ID */ 560 __u32 version; /* HID version */ 561 enum hid_type type; /* device type (mouse, kbd, ...) */ 562 unsigned country; /* HID country */ 563 struct hid_report_enum report_enum[HID_REPORT_TYPES]; 564 struct work_struct led_work; /* delayed LED worker */ 565 566 struct semaphore driver_input_lock; /* protects the current driver */ 567 struct device dev; /* device */ 568 struct hid_driver *driver; 569 570 struct hid_ll_driver *ll_driver; 571 struct mutex ll_open_lock; 572 unsigned int ll_open_count; 573 574 #ifdef CONFIG_HID_BATTERY_STRENGTH 575 /* 576 * Power supply information for HID devices which report 577 * battery strength. power_supply was successfully registered if 578 * battery is non-NULL. 579 */ 580 struct power_supply *battery; 581 __s32 battery_capacity; 582 __s32 battery_min; 583 __s32 battery_max; 584 __s32 battery_report_type; 585 __s32 battery_report_id; 586 enum hid_battery_status battery_status; 587 bool battery_avoid_query; 588 ktime_t battery_ratelimit_time; 589 #endif 590 591 unsigned long status; /* see STAT flags above */ 592 unsigned claimed; /* Claimed by hidinput, hiddev? */ 593 unsigned quirks; /* Various quirks the device can pull on us */ 594 bool io_started; /* If IO has started */ 595 596 struct list_head inputs; /* The list of inputs */ 597 void *hiddev; /* The hiddev structure */ 598 void *hidraw; 599 600 char name[128]; /* Device name */ 601 char phys[64]; /* Device physical location */ 602 char uniq[64]; /* Device unique identifier (serial #) */ 603 604 void *driver_data; 605 606 /* temporary hid_ff handling (until moved to the drivers) */ 607 int (*ff_init)(struct hid_device *); 608 609 /* hiddev event handler */ 610 int (*hiddev_connect)(struct hid_device *, unsigned int); 611 void (*hiddev_disconnect)(struct hid_device *); 612 void (*hiddev_hid_event) (struct hid_device *, struct hid_field *field, 613 struct hid_usage *, __s32); 614 void (*hiddev_report_event) (struct hid_device *, struct hid_report *); 615 616 /* debugging support via debugfs */ 617 unsigned short debug; 618 struct dentry *debug_dir; 619 struct dentry *debug_rdesc; 620 struct dentry *debug_events; 621 struct list_head debug_list; 622 spinlock_t debug_list_lock; 623 wait_queue_head_t debug_wait; 624 }; 625 626 #define to_hid_device(pdev) \ 627 container_of(pdev, struct hid_device, dev) 628 629 static inline void *hid_get_drvdata(struct hid_device *hdev) 630 { 631 return dev_get_drvdata(&hdev->dev); 632 } 633 634 static inline void hid_set_drvdata(struct hid_device *hdev, void *data) 635 { 636 dev_set_drvdata(&hdev->dev, data); 637 } 638 639 #define HID_GLOBAL_STACK_SIZE 4 640 #define HID_COLLECTION_STACK_SIZE 4 641 642 #define HID_SCAN_FLAG_MT_WIN_8 BIT(0) 643 #define HID_SCAN_FLAG_VENDOR_SPECIFIC BIT(1) 644 #define HID_SCAN_FLAG_GD_POINTER BIT(2) 645 646 struct hid_parser { 647 struct hid_global global; 648 struct hid_global global_stack[HID_GLOBAL_STACK_SIZE]; 649 unsigned int global_stack_ptr; 650 struct hid_local local; 651 unsigned int *collection_stack; 652 unsigned int collection_stack_ptr; 653 unsigned int collection_stack_size; 654 struct hid_device *device; 655 unsigned int scan_flags; 656 }; 657 658 struct hid_class_descriptor { 659 __u8 bDescriptorType; 660 __le16 wDescriptorLength; 661 } __attribute__ ((packed)); 662 663 struct hid_descriptor { 664 __u8 bLength; 665 __u8 bDescriptorType; 666 __le16 bcdHID; 667 __u8 bCountryCode; 668 __u8 bNumDescriptors; 669 670 struct hid_class_descriptor desc[1]; 671 } __attribute__ ((packed)); 672 673 #define HID_DEVICE(b, g, ven, prod) \ 674 .bus = (b), .group = (g), .vendor = (ven), .product = (prod) 675 #define HID_USB_DEVICE(ven, prod) \ 676 .bus = BUS_USB, .vendor = (ven), .product = (prod) 677 #define HID_BLUETOOTH_DEVICE(ven, prod) \ 678 .bus = BUS_BLUETOOTH, .vendor = (ven), .product = (prod) 679 #define HID_I2C_DEVICE(ven, prod) \ 680 .bus = BUS_I2C, .vendor = (ven), .product = (prod) 681 682 #define HID_REPORT_ID(rep) \ 683 .report_type = (rep) 684 #define HID_USAGE_ID(uhid, utype, ucode) \ 685 .usage_hid = (uhid), .usage_type = (utype), .usage_code = (ucode) 686 /* we don't want to catch types and codes equal to 0 */ 687 #define HID_TERMINATOR (HID_ANY_ID - 1) 688 689 struct hid_report_id { 690 __u32 report_type; 691 }; 692 struct hid_usage_id { 693 __u32 usage_hid; 694 __u32 usage_type; 695 __u32 usage_code; 696 }; 697 698 /** 699 * struct hid_driver 700 * @name: driver name (e.g. "Footech_bar-wheel") 701 * @id_table: which devices is this driver for (must be non-NULL for probe 702 * to be called) 703 * @dyn_list: list of dynamically added device ids 704 * @dyn_lock: lock protecting @dyn_list 705 * @match: check if the given device is handled by this driver 706 * @probe: new device inserted 707 * @remove: device removed (NULL if not a hot-plug capable driver) 708 * @report_table: on which reports to call raw_event (NULL means all) 709 * @raw_event: if report in report_table, this hook is called (NULL means nop) 710 * @usage_table: on which events to call event (NULL means all) 711 * @event: if usage in usage_table, this hook is called (NULL means nop) 712 * @report: this hook is called after parsing a report (NULL means nop) 713 * @report_fixup: called before report descriptor parsing (NULL means nop) 714 * @input_mapping: invoked on input registering before mapping an usage 715 * @input_mapped: invoked on input registering after mapping an usage 716 * @input_configured: invoked just before the device is registered 717 * @feature_mapping: invoked on feature registering 718 * @suspend: invoked on suspend (NULL means nop) 719 * @resume: invoked on resume if device was not reset (NULL means nop) 720 * @reset_resume: invoked on resume if device was reset (NULL means nop) 721 * 722 * probe should return -errno on error, or 0 on success. During probe, 723 * input will not be passed to raw_event unless hid_device_io_start is 724 * called. 725 * 726 * raw_event and event should return negative on error, any other value will 727 * pass the event on to .event() typically return 0 for success. 728 * 729 * input_mapping shall return a negative value to completely ignore this usage 730 * (e.g. doubled or invalid usage), zero to continue with parsing of this 731 * usage by generic code (no special handling needed) or positive to skip 732 * generic parsing (needed special handling which was done in the hook already) 733 * input_mapped shall return negative to inform the layer that this usage 734 * should not be considered for further processing or zero to notify that 735 * no processing was performed and should be done in a generic manner 736 * Both these functions may be NULL which means the same behavior as returning 737 * zero from them. 738 */ 739 struct hid_driver { 740 char *name; 741 const struct hid_device_id *id_table; 742 743 struct list_head dyn_list; 744 spinlock_t dyn_lock; 745 746 bool (*match)(struct hid_device *dev, bool ignore_special_driver); 747 int (*probe)(struct hid_device *dev, const struct hid_device_id *id); 748 void (*remove)(struct hid_device *dev); 749 750 const struct hid_report_id *report_table; 751 int (*raw_event)(struct hid_device *hdev, struct hid_report *report, 752 u8 *data, int size); 753 const struct hid_usage_id *usage_table; 754 int (*event)(struct hid_device *hdev, struct hid_field *field, 755 struct hid_usage *usage, __s32 value); 756 void (*report)(struct hid_device *hdev, struct hid_report *report); 757 758 __u8 *(*report_fixup)(struct hid_device *hdev, __u8 *buf, 759 unsigned int *size); 760 761 int (*input_mapping)(struct hid_device *hdev, 762 struct hid_input *hidinput, struct hid_field *field, 763 struct hid_usage *usage, unsigned long **bit, int *max); 764 int (*input_mapped)(struct hid_device *hdev, 765 struct hid_input *hidinput, struct hid_field *field, 766 struct hid_usage *usage, unsigned long **bit, int *max); 767 int (*input_configured)(struct hid_device *hdev, 768 struct hid_input *hidinput); 769 void (*feature_mapping)(struct hid_device *hdev, 770 struct hid_field *field, 771 struct hid_usage *usage); 772 #ifdef CONFIG_PM 773 int (*suspend)(struct hid_device *hdev, pm_message_t message); 774 int (*resume)(struct hid_device *hdev); 775 int (*reset_resume)(struct hid_device *hdev); 776 #endif 777 /* private: */ 778 struct device_driver driver; 779 }; 780 781 #define to_hid_driver(pdrv) \ 782 container_of(pdrv, struct hid_driver, driver) 783 784 /** 785 * hid_ll_driver - low level driver callbacks 786 * @start: called on probe to start the device 787 * @stop: called on remove 788 * @open: called by input layer on open 789 * @close: called by input layer on close 790 * @power: request underlying hardware to enter requested power mode 791 * @parse: this method is called only once to parse the device data, 792 * shouldn't allocate anything to not leak memory 793 * @request: send report request to device (e.g. feature report) 794 * @wait: wait for buffered io to complete (send/recv reports) 795 * @raw_request: send raw report request to device (e.g. feature report) 796 * @output_report: send output report to device 797 * @idle: send idle request to device 798 */ 799 struct hid_ll_driver { 800 int (*start)(struct hid_device *hdev); 801 void (*stop)(struct hid_device *hdev); 802 803 int (*open)(struct hid_device *hdev); 804 void (*close)(struct hid_device *hdev); 805 806 int (*power)(struct hid_device *hdev, int level); 807 808 int (*parse)(struct hid_device *hdev); 809 810 void (*request)(struct hid_device *hdev, 811 struct hid_report *report, int reqtype); 812 813 int (*wait)(struct hid_device *hdev); 814 815 int (*raw_request) (struct hid_device *hdev, unsigned char reportnum, 816 __u8 *buf, size_t len, unsigned char rtype, 817 int reqtype); 818 819 int (*output_report) (struct hid_device *hdev, __u8 *buf, size_t len); 820 821 int (*idle)(struct hid_device *hdev, int report, int idle, int reqtype); 822 }; 823 824 extern struct hid_ll_driver i2c_hid_ll_driver; 825 extern struct hid_ll_driver hidp_hid_driver; 826 extern struct hid_ll_driver uhid_hid_driver; 827 extern struct hid_ll_driver usb_hid_driver; 828 829 static inline bool hid_is_using_ll_driver(struct hid_device *hdev, 830 struct hid_ll_driver *driver) 831 { 832 return hdev->ll_driver == driver; 833 } 834 835 #define PM_HINT_FULLON 1<<5 836 #define PM_HINT_NORMAL 1<<1 837 838 /* Applications from HID Usage Tables 4/8/99 Version 1.1 */ 839 /* We ignore a few input applications that are not widely used */ 840 #define IS_INPUT_APPLICATION(a) \ 841 (((a >= HID_UP_GENDESK) && (a <= HID_GD_MULTIAXIS)) \ 842 || ((a >= HID_DG_PEN) && (a <= HID_DG_WHITEBOARD)) \ 843 || (a == HID_GD_SYSTEM_CONTROL) || (a == HID_CP_CONSUMER_CONTROL) \ 844 || (a == HID_GD_WIRELESS_RADIO_CTLS)) 845 846 /* HID core API */ 847 848 extern int hid_debug; 849 850 extern bool hid_ignore(struct hid_device *); 851 extern int hid_add_device(struct hid_device *); 852 extern void hid_destroy_device(struct hid_device *); 853 854 extern struct bus_type hid_bus_type; 855 856 extern int __must_check __hid_register_driver(struct hid_driver *, 857 struct module *, const char *mod_name); 858 859 /* use a define to avoid include chaining to get THIS_MODULE & friends */ 860 #define hid_register_driver(driver) \ 861 __hid_register_driver(driver, THIS_MODULE, KBUILD_MODNAME) 862 863 extern void hid_unregister_driver(struct hid_driver *); 864 865 /** 866 * module_hid_driver() - Helper macro for registering a HID driver 867 * @__hid_driver: hid_driver struct 868 * 869 * Helper macro for HID drivers which do not do anything special in module 870 * init/exit. This eliminates a lot of boilerplate. Each module may only 871 * use this macro once, and calling it replaces module_init() and module_exit() 872 */ 873 #define module_hid_driver(__hid_driver) \ 874 module_driver(__hid_driver, hid_register_driver, \ 875 hid_unregister_driver) 876 877 extern void hidinput_hid_event(struct hid_device *, struct hid_field *, struct hid_usage *, __s32); 878 extern void hidinput_report_event(struct hid_device *hid, struct hid_report *report); 879 extern int hidinput_connect(struct hid_device *hid, unsigned int force); 880 extern void hidinput_disconnect(struct hid_device *); 881 882 int hid_set_field(struct hid_field *, unsigned, __s32); 883 int hid_input_report(struct hid_device *, int type, u8 *, u32, int); 884 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field); 885 struct hid_field *hidinput_get_led_field(struct hid_device *hid); 886 unsigned int hidinput_count_leds(struct hid_device *hid); 887 __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code); 888 void hid_output_report(struct hid_report *report, __u8 *data); 889 int __hid_request(struct hid_device *hid, struct hid_report *rep, int reqtype); 890 u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags); 891 struct hid_device *hid_allocate_device(void); 892 struct hid_report *hid_register_report(struct hid_device *device, 893 unsigned int type, unsigned int id, 894 unsigned int application); 895 int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size); 896 struct hid_report *hid_validate_values(struct hid_device *hid, 897 unsigned int type, unsigned int id, 898 unsigned int field_index, 899 unsigned int report_counts); 900 901 void hid_setup_resolution_multiplier(struct hid_device *hid); 902 int hid_open_report(struct hid_device *device); 903 int hid_check_keys_pressed(struct hid_device *hid); 904 int hid_connect(struct hid_device *hid, unsigned int connect_mask); 905 void hid_disconnect(struct hid_device *hid); 906 bool hid_match_one_id(const struct hid_device *hdev, 907 const struct hid_device_id *id); 908 const struct hid_device_id *hid_match_id(const struct hid_device *hdev, 909 const struct hid_device_id *id); 910 const struct hid_device_id *hid_match_device(struct hid_device *hdev, 911 struct hid_driver *hdrv); 912 bool hid_compare_device_paths(struct hid_device *hdev_a, 913 struct hid_device *hdev_b, char separator); 914 s32 hid_snto32(__u32 value, unsigned n); 915 __u32 hid_field_extract(const struct hid_device *hid, __u8 *report, 916 unsigned offset, unsigned n); 917 918 /** 919 * hid_device_io_start - enable HID input during probe, remove 920 * 921 * @hid: the device 922 * 923 * This should only be called during probe or remove and only be 924 * called by the thread calling probe or remove. It will allow 925 * incoming packets to be delivered to the driver. 926 */ 927 static inline void hid_device_io_start(struct hid_device *hid) { 928 if (hid->io_started) { 929 dev_warn(&hid->dev, "io already started\n"); 930 return; 931 } 932 hid->io_started = true; 933 up(&hid->driver_input_lock); 934 } 935 936 /** 937 * hid_device_io_stop - disable HID input during probe, remove 938 * 939 * @hid: the device 940 * 941 * Should only be called after hid_device_io_start. It will prevent 942 * incoming packets from going to the driver for the duration of 943 * probe, remove. If called during probe, packets will still go to the 944 * driver after probe is complete. This function should only be called 945 * by the thread calling probe or remove. 946 */ 947 static inline void hid_device_io_stop(struct hid_device *hid) { 948 if (!hid->io_started) { 949 dev_warn(&hid->dev, "io already stopped\n"); 950 return; 951 } 952 hid->io_started = false; 953 down(&hid->driver_input_lock); 954 } 955 956 /** 957 * hid_map_usage - map usage input bits 958 * 959 * @hidinput: hidinput which we are interested in 960 * @usage: usage to fill in 961 * @bit: pointer to input->{}bit (out parameter) 962 * @max: maximal valid usage->code to consider later (out parameter) 963 * @type: input event type (EV_KEY, EV_REL, ...) 964 * @c: code which corresponds to this usage and type 965 * 966 * The value pointed to by @bit will be set to NULL if either @type is 967 * an unhandled event type, or if @c is out of range for @type. This 968 * can be used as an error condition. 969 */ 970 static inline void hid_map_usage(struct hid_input *hidinput, 971 struct hid_usage *usage, unsigned long **bit, int *max, 972 __u8 type, unsigned int c) 973 { 974 struct input_dev *input = hidinput->input; 975 unsigned long *bmap = NULL; 976 unsigned int limit = 0; 977 978 switch (type) { 979 case EV_ABS: 980 bmap = input->absbit; 981 limit = ABS_MAX; 982 break; 983 case EV_REL: 984 bmap = input->relbit; 985 limit = REL_MAX; 986 break; 987 case EV_KEY: 988 bmap = input->keybit; 989 limit = KEY_MAX; 990 break; 991 case EV_LED: 992 bmap = input->ledbit; 993 limit = LED_MAX; 994 break; 995 } 996 997 if (unlikely(c > limit || !bmap)) { 998 pr_warn_ratelimited("%s: Invalid code %d type %d\n", 999 input->name, c, type); 1000 *bit = NULL; 1001 return; 1002 } 1003 1004 usage->type = type; 1005 usage->code = c; 1006 *max = limit; 1007 *bit = bmap; 1008 } 1009 1010 /** 1011 * hid_map_usage_clear - map usage input bits and clear the input bit 1012 * 1013 * @hidinput: hidinput which we are interested in 1014 * @usage: usage to fill in 1015 * @bit: pointer to input->{}bit (out parameter) 1016 * @max: maximal valid usage->code to consider later (out parameter) 1017 * @type: input event type (EV_KEY, EV_REL, ...) 1018 * @c: code which corresponds to this usage and type 1019 * 1020 * The same as hid_map_usage, except the @c bit is also cleared in supported 1021 * bits (@bit). 1022 */ 1023 static inline void hid_map_usage_clear(struct hid_input *hidinput, 1024 struct hid_usage *usage, unsigned long **bit, int *max, 1025 __u8 type, __u16 c) 1026 { 1027 hid_map_usage(hidinput, usage, bit, max, type, c); 1028 if (*bit) 1029 clear_bit(usage->code, *bit); 1030 } 1031 1032 /** 1033 * hid_parse - parse HW reports 1034 * 1035 * @hdev: hid device 1036 * 1037 * Call this from probe after you set up the device (if needed). Your 1038 * report_fixup will be called (if non-NULL) after reading raw report from 1039 * device before passing it to hid layer for real parsing. 1040 */ 1041 static inline int __must_check hid_parse(struct hid_device *hdev) 1042 { 1043 return hid_open_report(hdev); 1044 } 1045 1046 int __must_check hid_hw_start(struct hid_device *hdev, 1047 unsigned int connect_mask); 1048 void hid_hw_stop(struct hid_device *hdev); 1049 int __must_check hid_hw_open(struct hid_device *hdev); 1050 void hid_hw_close(struct hid_device *hdev); 1051 1052 /** 1053 * hid_hw_power - requests underlying HW to go into given power mode 1054 * 1055 * @hdev: hid device 1056 * @level: requested power level (one of %PM_HINT_* defines) 1057 * 1058 * This function requests underlying hardware to enter requested power 1059 * mode. 1060 */ 1061 1062 static inline int hid_hw_power(struct hid_device *hdev, int level) 1063 { 1064 return hdev->ll_driver->power ? hdev->ll_driver->power(hdev, level) : 0; 1065 } 1066 1067 1068 /** 1069 * hid_hw_request - send report request to device 1070 * 1071 * @hdev: hid device 1072 * @report: report to send 1073 * @reqtype: hid request type 1074 */ 1075 static inline void hid_hw_request(struct hid_device *hdev, 1076 struct hid_report *report, int reqtype) 1077 { 1078 if (hdev->ll_driver->request) 1079 return hdev->ll_driver->request(hdev, report, reqtype); 1080 1081 __hid_request(hdev, report, reqtype); 1082 } 1083 1084 /** 1085 * hid_hw_raw_request - send report request to device 1086 * 1087 * @hdev: hid device 1088 * @reportnum: report ID 1089 * @buf: in/out data to transfer 1090 * @len: length of buf 1091 * @rtype: HID report type 1092 * @reqtype: HID_REQ_GET_REPORT or HID_REQ_SET_REPORT 1093 * 1094 * Return: count of data transferred, negative if error 1095 * 1096 * Same behavior as hid_hw_request, but with raw buffers instead. 1097 */ 1098 static inline int hid_hw_raw_request(struct hid_device *hdev, 1099 unsigned char reportnum, __u8 *buf, 1100 size_t len, unsigned char rtype, int reqtype) 1101 { 1102 if (len < 1 || len > HID_MAX_BUFFER_SIZE || !buf) 1103 return -EINVAL; 1104 1105 return hdev->ll_driver->raw_request(hdev, reportnum, buf, len, 1106 rtype, reqtype); 1107 } 1108 1109 /** 1110 * hid_hw_output_report - send output report to device 1111 * 1112 * @hdev: hid device 1113 * @buf: raw data to transfer 1114 * @len: length of buf 1115 * 1116 * Return: count of data transferred, negative if error 1117 */ 1118 static inline int hid_hw_output_report(struct hid_device *hdev, __u8 *buf, 1119 size_t len) 1120 { 1121 if (len < 1 || len > HID_MAX_BUFFER_SIZE || !buf) 1122 return -EINVAL; 1123 1124 if (hdev->ll_driver->output_report) 1125 return hdev->ll_driver->output_report(hdev, buf, len); 1126 1127 return -ENOSYS; 1128 } 1129 1130 /** 1131 * hid_hw_idle - send idle request to device 1132 * 1133 * @hdev: hid device 1134 * @report: report to control 1135 * @idle: idle state 1136 * @reqtype: hid request type 1137 */ 1138 static inline int hid_hw_idle(struct hid_device *hdev, int report, int idle, 1139 int reqtype) 1140 { 1141 if (hdev->ll_driver->idle) 1142 return hdev->ll_driver->idle(hdev, report, idle, reqtype); 1143 1144 return 0; 1145 } 1146 1147 /** 1148 * hid_hw_wait - wait for buffered io to complete 1149 * 1150 * @hdev: hid device 1151 */ 1152 static inline void hid_hw_wait(struct hid_device *hdev) 1153 { 1154 if (hdev->ll_driver->wait) 1155 hdev->ll_driver->wait(hdev); 1156 } 1157 1158 /** 1159 * hid_report_len - calculate the report length 1160 * 1161 * @report: the report we want to know the length 1162 */ 1163 static inline u32 hid_report_len(struct hid_report *report) 1164 { 1165 /* equivalent to DIV_ROUND_UP(report->size, 8) + !!(report->id > 0) */ 1166 return ((report->size - 1) >> 3) + 1 + (report->id > 0); 1167 } 1168 1169 int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, u32 size, 1170 int interrupt); 1171 1172 /* HID quirks API */ 1173 unsigned long hid_lookup_quirk(const struct hid_device *hdev); 1174 int hid_quirks_init(char **quirks_param, __u16 bus, int count); 1175 void hid_quirks_exit(__u16 bus); 1176 1177 #ifdef CONFIG_HID_PID 1178 int hid_pidff_init(struct hid_device *hid); 1179 #else 1180 #define hid_pidff_init NULL 1181 #endif 1182 1183 #define dbg_hid(fmt, ...) \ 1184 do { \ 1185 if (hid_debug) \ 1186 printk(KERN_DEBUG "%s: " fmt, __FILE__, ##__VA_ARGS__); \ 1187 } while (0) 1188 1189 #define hid_err(hid, fmt, ...) \ 1190 dev_err(&(hid)->dev, fmt, ##__VA_ARGS__) 1191 #define hid_notice(hid, fmt, ...) \ 1192 dev_notice(&(hid)->dev, fmt, ##__VA_ARGS__) 1193 #define hid_warn(hid, fmt, ...) \ 1194 dev_warn(&(hid)->dev, fmt, ##__VA_ARGS__) 1195 #define hid_info(hid, fmt, ...) \ 1196 dev_info(&(hid)->dev, fmt, ##__VA_ARGS__) 1197 #define hid_dbg(hid, fmt, ...) \ 1198 dev_dbg(&(hid)->dev, fmt, ##__VA_ARGS__) 1199 1200 #define hid_err_once(hid, fmt, ...) \ 1201 dev_err_once(&(hid)->dev, fmt, ##__VA_ARGS__) 1202 #define hid_notice_once(hid, fmt, ...) \ 1203 dev_notice_once(&(hid)->dev, fmt, ##__VA_ARGS__) 1204 #define hid_warn_once(hid, fmt, ...) \ 1205 dev_warn_once(&(hid)->dev, fmt, ##__VA_ARGS__) 1206 #define hid_info_once(hid, fmt, ...) \ 1207 dev_info_once(&(hid)->dev, fmt, ##__VA_ARGS__) 1208 #define hid_dbg_once(hid, fmt, ...) \ 1209 dev_dbg_once(&(hid)->dev, fmt, ##__VA_ARGS__) 1210 1211 #endif 1212