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 385 386 /* 387 * HID protocol status 388 */ 389 #define HID_REPORT_PROTOCOL 1 390 #define HID_BOOT_PROTOCOL 0 391 392 /* 393 * This is the global environment of the parser. This information is 394 * persistent for main-items. The global environment can be saved and 395 * restored with PUSH/POP statements. 396 */ 397 398 struct hid_global { 399 unsigned usage_page; 400 __s32 logical_minimum; 401 __s32 logical_maximum; 402 __s32 physical_minimum; 403 __s32 physical_maximum; 404 __s32 unit_exponent; 405 unsigned unit; 406 unsigned report_id; 407 unsigned report_size; 408 unsigned report_count; 409 }; 410 411 /* 412 * This is the local environment. It is persistent up the next main-item. 413 */ 414 415 #define HID_MAX_USAGES 12288 416 #define HID_DEFAULT_NUM_COLLECTIONS 16 417 418 struct hid_local { 419 unsigned usage[HID_MAX_USAGES]; /* usage array */ 420 unsigned collection_index[HID_MAX_USAGES]; /* collection index array */ 421 unsigned usage_index; 422 unsigned usage_minimum; 423 unsigned delimiter_depth; 424 unsigned delimiter_branch; 425 }; 426 427 /* 428 * This is the collection stack. We climb up the stack to determine 429 * application and function of each field. 430 */ 431 432 struct hid_collection { 433 struct hid_collection *parent; 434 unsigned type; 435 unsigned usage; 436 unsigned level; 437 }; 438 439 struct hid_usage { 440 unsigned hid; /* hid usage code */ 441 unsigned collection_index; /* index into collection array */ 442 unsigned usage_index; /* index into usage array */ 443 __s8 resolution_multiplier;/* Effective Resolution Multiplier 444 (HUT v1.12, 4.3.1), default: 1 */ 445 /* hidinput data */ 446 __s8 wheel_factor; /* 120/resolution_multiplier */ 447 __u16 code; /* input driver code */ 448 __u8 type; /* input driver type */ 449 __s8 hat_min; /* hat switch fun */ 450 __s8 hat_max; /* ditto */ 451 __s8 hat_dir; /* ditto */ 452 __s16 wheel_accumulated; /* hi-res wheel */ 453 }; 454 455 struct hid_input; 456 457 struct hid_field { 458 unsigned physical; /* physical usage for this field */ 459 unsigned logical; /* logical usage for this field */ 460 unsigned application; /* application usage for this field */ 461 struct hid_usage *usage; /* usage table for this function */ 462 unsigned maxusage; /* maximum usage index */ 463 unsigned flags; /* main-item flags (i.e. volatile,array,constant) */ 464 unsigned report_offset; /* bit offset in the report */ 465 unsigned report_size; /* size of this field in the report */ 466 unsigned report_count; /* number of this field in the report */ 467 unsigned report_type; /* (input,output,feature) */ 468 __s32 *value; /* last known value(s) */ 469 __s32 logical_minimum; 470 __s32 logical_maximum; 471 __s32 physical_minimum; 472 __s32 physical_maximum; 473 __s32 unit_exponent; 474 unsigned unit; 475 struct hid_report *report; /* associated report */ 476 unsigned index; /* index into report->field[] */ 477 /* hidinput data */ 478 struct hid_input *hidinput; /* associated input structure */ 479 __u16 dpad; /* dpad input code */ 480 }; 481 482 #define HID_MAX_FIELDS 256 483 484 struct hid_report { 485 struct list_head list; 486 struct list_head hidinput_list; 487 unsigned int id; /* id of this report */ 488 unsigned int type; /* report type */ 489 unsigned int application; /* application usage for this report */ 490 struct hid_field *field[HID_MAX_FIELDS]; /* fields of the report */ 491 unsigned maxfield; /* maximum valid field index */ 492 unsigned size; /* size of the report (bits) */ 493 struct hid_device *device; /* associated device */ 494 }; 495 496 #define HID_MAX_IDS 256 497 498 struct hid_report_enum { 499 unsigned numbered; 500 struct list_head report_list; 501 struct hid_report *report_id_hash[HID_MAX_IDS]; 502 }; 503 504 #define HID_MIN_BUFFER_SIZE 64 /* make sure there is at least a packet size of space */ 505 #define HID_MAX_BUFFER_SIZE 4096 /* 4kb */ 506 #define HID_CONTROL_FIFO_SIZE 256 /* to init devices with >100 reports */ 507 #define HID_OUTPUT_FIFO_SIZE 64 508 509 struct hid_control_fifo { 510 unsigned char dir; 511 struct hid_report *report; 512 char *raw_report; 513 }; 514 515 struct hid_output_fifo { 516 struct hid_report *report; 517 char *raw_report; 518 }; 519 520 #define HID_CLAIMED_INPUT BIT(0) 521 #define HID_CLAIMED_HIDDEV BIT(1) 522 #define HID_CLAIMED_HIDRAW BIT(2) 523 #define HID_CLAIMED_DRIVER BIT(3) 524 525 #define HID_STAT_ADDED BIT(0) 526 #define HID_STAT_PARSED BIT(1) 527 #define HID_STAT_DUP_DETECTED BIT(2) 528 #define HID_STAT_REPROBED BIT(3) 529 530 struct hid_input { 531 struct list_head list; 532 struct hid_report *report; 533 struct input_dev *input; 534 const char *name; 535 bool registered; 536 struct list_head reports; /* the list of reports */ 537 unsigned int application; /* application usage for this input */ 538 }; 539 540 enum hid_type { 541 HID_TYPE_OTHER = 0, 542 HID_TYPE_USBMOUSE, 543 HID_TYPE_USBNONE 544 }; 545 546 enum hid_battery_status { 547 HID_BATTERY_UNKNOWN = 0, 548 HID_BATTERY_QUERIED, /* Kernel explicitly queried battery strength */ 549 HID_BATTERY_REPORTED, /* Device sent unsolicited battery strength report */ 550 }; 551 552 struct hid_driver; 553 struct hid_ll_driver; 554 555 struct hid_device { /* device report descriptor */ 556 __u8 *dev_rdesc; 557 unsigned dev_rsize; 558 __u8 *rdesc; 559 unsigned rsize; 560 struct hid_collection *collection; /* List of HID collections */ 561 unsigned collection_size; /* Number of allocated hid_collections */ 562 unsigned maxcollection; /* Number of parsed collections */ 563 unsigned maxapplication; /* Number of applications */ 564 __u16 bus; /* BUS ID */ 565 __u16 group; /* Report group */ 566 __u32 vendor; /* Vendor ID */ 567 __u32 product; /* Product ID */ 568 __u32 version; /* HID version */ 569 enum hid_type type; /* device type (mouse, kbd, ...) */ 570 unsigned country; /* HID country */ 571 struct hid_report_enum report_enum[HID_REPORT_TYPES]; 572 struct work_struct led_work; /* delayed LED worker */ 573 574 struct semaphore driver_input_lock; /* protects the current driver */ 575 struct device dev; /* device */ 576 struct hid_driver *driver; 577 578 struct hid_ll_driver *ll_driver; 579 struct mutex ll_open_lock; 580 unsigned int ll_open_count; 581 582 #ifdef CONFIG_HID_BATTERY_STRENGTH 583 /* 584 * Power supply information for HID devices which report 585 * battery strength. power_supply was successfully registered if 586 * battery is non-NULL. 587 */ 588 struct power_supply *battery; 589 __s32 battery_capacity; 590 __s32 battery_min; 591 __s32 battery_max; 592 __s32 battery_report_type; 593 __s32 battery_report_id; 594 enum hid_battery_status battery_status; 595 bool battery_avoid_query; 596 #endif 597 598 unsigned long status; /* see STAT flags above */ 599 unsigned claimed; /* Claimed by hidinput, hiddev? */ 600 unsigned quirks; /* Various quirks the device can pull on us */ 601 bool io_started; /* If IO has started */ 602 603 struct list_head inputs; /* The list of inputs */ 604 void *hiddev; /* The hiddev structure */ 605 void *hidraw; 606 607 char name[128]; /* Device name */ 608 char phys[64]; /* Device physical location */ 609 char uniq[64]; /* Device unique identifier (serial #) */ 610 611 void *driver_data; 612 613 /* temporary hid_ff handling (until moved to the drivers) */ 614 int (*ff_init)(struct hid_device *); 615 616 /* hiddev event handler */ 617 int (*hiddev_connect)(struct hid_device *, unsigned int); 618 void (*hiddev_disconnect)(struct hid_device *); 619 void (*hiddev_hid_event) (struct hid_device *, struct hid_field *field, 620 struct hid_usage *, __s32); 621 void (*hiddev_report_event) (struct hid_device *, struct hid_report *); 622 623 /* debugging support via debugfs */ 624 unsigned short debug; 625 struct dentry *debug_dir; 626 struct dentry *debug_rdesc; 627 struct dentry *debug_events; 628 struct list_head debug_list; 629 spinlock_t debug_list_lock; 630 wait_queue_head_t debug_wait; 631 }; 632 633 #define to_hid_device(pdev) \ 634 container_of(pdev, struct hid_device, dev) 635 636 static inline void *hid_get_drvdata(struct hid_device *hdev) 637 { 638 return dev_get_drvdata(&hdev->dev); 639 } 640 641 static inline void hid_set_drvdata(struct hid_device *hdev, void *data) 642 { 643 dev_set_drvdata(&hdev->dev, data); 644 } 645 646 #define HID_GLOBAL_STACK_SIZE 4 647 #define HID_COLLECTION_STACK_SIZE 4 648 649 #define HID_SCAN_FLAG_MT_WIN_8 BIT(0) 650 #define HID_SCAN_FLAG_VENDOR_SPECIFIC BIT(1) 651 #define HID_SCAN_FLAG_GD_POINTER BIT(2) 652 653 struct hid_parser { 654 struct hid_global global; 655 struct hid_global global_stack[HID_GLOBAL_STACK_SIZE]; 656 unsigned int global_stack_ptr; 657 struct hid_local local; 658 unsigned int *collection_stack; 659 unsigned int collection_stack_ptr; 660 unsigned int collection_stack_size; 661 struct hid_collection *active_collection; 662 struct hid_device *device; 663 unsigned int scan_flags; 664 }; 665 666 struct hid_class_descriptor { 667 __u8 bDescriptorType; 668 __le16 wDescriptorLength; 669 } __attribute__ ((packed)); 670 671 struct hid_descriptor { 672 __u8 bLength; 673 __u8 bDescriptorType; 674 __le16 bcdHID; 675 __u8 bCountryCode; 676 __u8 bNumDescriptors; 677 678 struct hid_class_descriptor desc[1]; 679 } __attribute__ ((packed)); 680 681 #define HID_DEVICE(b, g, ven, prod) \ 682 .bus = (b), .group = (g), .vendor = (ven), .product = (prod) 683 #define HID_USB_DEVICE(ven, prod) \ 684 .bus = BUS_USB, .vendor = (ven), .product = (prod) 685 #define HID_BLUETOOTH_DEVICE(ven, prod) \ 686 .bus = BUS_BLUETOOTH, .vendor = (ven), .product = (prod) 687 #define HID_I2C_DEVICE(ven, prod) \ 688 .bus = BUS_I2C, .vendor = (ven), .product = (prod) 689 690 #define HID_REPORT_ID(rep) \ 691 .report_type = (rep) 692 #define HID_USAGE_ID(uhid, utype, ucode) \ 693 .usage_hid = (uhid), .usage_type = (utype), .usage_code = (ucode) 694 /* we don't want to catch types and codes equal to 0 */ 695 #define HID_TERMINATOR (HID_ANY_ID - 1) 696 697 struct hid_report_id { 698 __u32 report_type; 699 }; 700 struct hid_usage_id { 701 __u32 usage_hid; 702 __u32 usage_type; 703 __u32 usage_code; 704 }; 705 706 /** 707 * struct hid_driver 708 * @name: driver name (e.g. "Footech_bar-wheel") 709 * @id_table: which devices is this driver for (must be non-NULL for probe 710 * to be called) 711 * @dyn_list: list of dynamically added device ids 712 * @dyn_lock: lock protecting @dyn_list 713 * @match: check if the given device is handled by this driver 714 * @probe: new device inserted 715 * @remove: device removed (NULL if not a hot-plug capable driver) 716 * @report_table: on which reports to call raw_event (NULL means all) 717 * @raw_event: if report in report_table, this hook is called (NULL means nop) 718 * @usage_table: on which events to call event (NULL means all) 719 * @event: if usage in usage_table, this hook is called (NULL means nop) 720 * @report: this hook is called after parsing a report (NULL means nop) 721 * @report_fixup: called before report descriptor parsing (NULL means nop) 722 * @input_mapping: invoked on input registering before mapping an usage 723 * @input_mapped: invoked on input registering after mapping an usage 724 * @input_configured: invoked just before the device is registered 725 * @feature_mapping: invoked on feature registering 726 * @suspend: invoked on suspend (NULL means nop) 727 * @resume: invoked on resume if device was not reset (NULL means nop) 728 * @reset_resume: invoked on resume if device was reset (NULL means nop) 729 * 730 * probe should return -errno on error, or 0 on success. During probe, 731 * input will not be passed to raw_event unless hid_device_io_start is 732 * called. 733 * 734 * raw_event and event should return negative on error, any other value will 735 * pass the event on to .event() typically return 0 for success. 736 * 737 * input_mapping shall return a negative value to completely ignore this usage 738 * (e.g. doubled or invalid usage), zero to continue with parsing of this 739 * usage by generic code (no special handling needed) or positive to skip 740 * generic parsing (needed special handling which was done in the hook already) 741 * input_mapped shall return negative to inform the layer that this usage 742 * should not be considered for further processing or zero to notify that 743 * no processing was performed and should be done in a generic manner 744 * Both these functions may be NULL which means the same behavior as returning 745 * zero from them. 746 */ 747 struct hid_driver { 748 char *name; 749 const struct hid_device_id *id_table; 750 751 struct list_head dyn_list; 752 spinlock_t dyn_lock; 753 754 bool (*match)(struct hid_device *dev, bool ignore_special_driver); 755 int (*probe)(struct hid_device *dev, const struct hid_device_id *id); 756 void (*remove)(struct hid_device *dev); 757 758 const struct hid_report_id *report_table; 759 int (*raw_event)(struct hid_device *hdev, struct hid_report *report, 760 u8 *data, int size); 761 const struct hid_usage_id *usage_table; 762 int (*event)(struct hid_device *hdev, struct hid_field *field, 763 struct hid_usage *usage, __s32 value); 764 void (*report)(struct hid_device *hdev, struct hid_report *report); 765 766 __u8 *(*report_fixup)(struct hid_device *hdev, __u8 *buf, 767 unsigned int *size); 768 769 int (*input_mapping)(struct hid_device *hdev, 770 struct hid_input *hidinput, struct hid_field *field, 771 struct hid_usage *usage, unsigned long **bit, int *max); 772 int (*input_mapped)(struct hid_device *hdev, 773 struct hid_input *hidinput, struct hid_field *field, 774 struct hid_usage *usage, unsigned long **bit, int *max); 775 int (*input_configured)(struct hid_device *hdev, 776 struct hid_input *hidinput); 777 void (*feature_mapping)(struct hid_device *hdev, 778 struct hid_field *field, 779 struct hid_usage *usage); 780 #ifdef CONFIG_PM 781 int (*suspend)(struct hid_device *hdev, pm_message_t message); 782 int (*resume)(struct hid_device *hdev); 783 int (*reset_resume)(struct hid_device *hdev); 784 #endif 785 /* private: */ 786 struct device_driver driver; 787 }; 788 789 #define to_hid_driver(pdrv) \ 790 container_of(pdrv, struct hid_driver, driver) 791 792 /** 793 * hid_ll_driver - low level driver callbacks 794 * @start: called on probe to start the device 795 * @stop: called on remove 796 * @open: called by input layer on open 797 * @close: called by input layer on close 798 * @power: request underlying hardware to enter requested power mode 799 * @parse: this method is called only once to parse the device data, 800 * shouldn't allocate anything to not leak memory 801 * @request: send report request to device (e.g. feature report) 802 * @wait: wait for buffered io to complete (send/recv reports) 803 * @raw_request: send raw report request to device (e.g. feature report) 804 * @output_report: send output report to device 805 * @idle: send idle request to device 806 */ 807 struct hid_ll_driver { 808 int (*start)(struct hid_device *hdev); 809 void (*stop)(struct hid_device *hdev); 810 811 int (*open)(struct hid_device *hdev); 812 void (*close)(struct hid_device *hdev); 813 814 int (*power)(struct hid_device *hdev, int level); 815 816 int (*parse)(struct hid_device *hdev); 817 818 void (*request)(struct hid_device *hdev, 819 struct hid_report *report, int reqtype); 820 821 int (*wait)(struct hid_device *hdev); 822 823 int (*raw_request) (struct hid_device *hdev, unsigned char reportnum, 824 __u8 *buf, size_t len, unsigned char rtype, 825 int reqtype); 826 827 int (*output_report) (struct hid_device *hdev, __u8 *buf, size_t len); 828 829 int (*idle)(struct hid_device *hdev, int report, int idle, int reqtype); 830 }; 831 832 extern struct hid_ll_driver i2c_hid_ll_driver; 833 extern struct hid_ll_driver hidp_hid_driver; 834 extern struct hid_ll_driver uhid_hid_driver; 835 extern struct hid_ll_driver usb_hid_driver; 836 837 static inline bool hid_is_using_ll_driver(struct hid_device *hdev, 838 struct hid_ll_driver *driver) 839 { 840 return hdev->ll_driver == driver; 841 } 842 843 #define PM_HINT_FULLON 1<<5 844 #define PM_HINT_NORMAL 1<<1 845 846 /* Applications from HID Usage Tables 4/8/99 Version 1.1 */ 847 /* We ignore a few input applications that are not widely used */ 848 #define IS_INPUT_APPLICATION(a) \ 849 (((a >= HID_UP_GENDESK) && (a <= HID_GD_MULTIAXIS)) \ 850 || ((a >= HID_DG_PEN) && (a <= HID_DG_WHITEBOARD)) \ 851 || (a == HID_GD_SYSTEM_CONTROL) || (a == HID_CP_CONSUMER_CONTROL) \ 852 || (a == HID_GD_WIRELESS_RADIO_CTLS)) 853 854 /* HID core API */ 855 856 extern int hid_debug; 857 858 extern bool hid_ignore(struct hid_device *); 859 extern int hid_add_device(struct hid_device *); 860 extern void hid_destroy_device(struct hid_device *); 861 862 extern struct bus_type hid_bus_type; 863 864 extern int __must_check __hid_register_driver(struct hid_driver *, 865 struct module *, const char *mod_name); 866 867 /* use a define to avoid include chaining to get THIS_MODULE & friends */ 868 #define hid_register_driver(driver) \ 869 __hid_register_driver(driver, THIS_MODULE, KBUILD_MODNAME) 870 871 extern void hid_unregister_driver(struct hid_driver *); 872 873 /** 874 * module_hid_driver() - Helper macro for registering a HID driver 875 * @__hid_driver: hid_driver struct 876 * 877 * Helper macro for HID drivers which do not do anything special in module 878 * init/exit. This eliminates a lot of boilerplate. Each module may only 879 * use this macro once, and calling it replaces module_init() and module_exit() 880 */ 881 #define module_hid_driver(__hid_driver) \ 882 module_driver(__hid_driver, hid_register_driver, \ 883 hid_unregister_driver) 884 885 extern void hidinput_hid_event(struct hid_device *, struct hid_field *, struct hid_usage *, __s32); 886 extern void hidinput_report_event(struct hid_device *hid, struct hid_report *report); 887 extern int hidinput_connect(struct hid_device *hid, unsigned int force); 888 extern void hidinput_disconnect(struct hid_device *); 889 890 int hid_set_field(struct hid_field *, unsigned, __s32); 891 int hid_input_report(struct hid_device *, int type, u8 *, u32, int); 892 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field); 893 struct hid_field *hidinput_get_led_field(struct hid_device *hid); 894 unsigned int hidinput_count_leds(struct hid_device *hid); 895 __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code); 896 void hid_output_report(struct hid_report *report, __u8 *data); 897 void __hid_request(struct hid_device *hid, struct hid_report *rep, int reqtype); 898 u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags); 899 struct hid_device *hid_allocate_device(void); 900 struct hid_report *hid_register_report(struct hid_device *device, 901 unsigned int type, unsigned int id, 902 unsigned int application); 903 int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size); 904 struct hid_report *hid_validate_values(struct hid_device *hid, 905 unsigned int type, unsigned int id, 906 unsigned int field_index, 907 unsigned int report_counts); 908 909 void hid_setup_resolution_multiplier(struct hid_device *hid); 910 int hid_open_report(struct hid_device *device); 911 int hid_check_keys_pressed(struct hid_device *hid); 912 int hid_connect(struct hid_device *hid, unsigned int connect_mask); 913 void hid_disconnect(struct hid_device *hid); 914 bool hid_match_one_id(const struct hid_device *hdev, 915 const struct hid_device_id *id); 916 const struct hid_device_id *hid_match_id(const struct hid_device *hdev, 917 const struct hid_device_id *id); 918 const struct hid_device_id *hid_match_device(struct hid_device *hdev, 919 struct hid_driver *hdrv); 920 bool hid_compare_device_paths(struct hid_device *hdev_a, 921 struct hid_device *hdev_b, char separator); 922 s32 hid_snto32(__u32 value, unsigned n); 923 __u32 hid_field_extract(const struct hid_device *hid, __u8 *report, 924 unsigned offset, unsigned n); 925 926 /** 927 * hid_device_io_start - enable HID input during probe, remove 928 * 929 * @hid - the device 930 * 931 * This should only be called during probe or remove and only be 932 * called by the thread calling probe or remove. It will allow 933 * incoming packets to be delivered to the driver. 934 */ 935 static inline void hid_device_io_start(struct hid_device *hid) { 936 if (hid->io_started) { 937 dev_warn(&hid->dev, "io already started\n"); 938 return; 939 } 940 hid->io_started = true; 941 up(&hid->driver_input_lock); 942 } 943 944 /** 945 * hid_device_io_stop - disable HID input during probe, remove 946 * 947 * @hid - the device 948 * 949 * Should only be called after hid_device_io_start. It will prevent 950 * incoming packets from going to the driver for the duration of 951 * probe, remove. If called during probe, packets will still go to the 952 * driver after probe is complete. This function should only be called 953 * by the thread calling probe or remove. 954 */ 955 static inline void hid_device_io_stop(struct hid_device *hid) { 956 if (!hid->io_started) { 957 dev_warn(&hid->dev, "io already stopped\n"); 958 return; 959 } 960 hid->io_started = false; 961 down(&hid->driver_input_lock); 962 } 963 964 /** 965 * hid_map_usage - map usage input bits 966 * 967 * @hidinput: hidinput which we are interested in 968 * @usage: usage to fill in 969 * @bit: pointer to input->{}bit (out parameter) 970 * @max: maximal valid usage->code to consider later (out parameter) 971 * @type: input event type (EV_KEY, EV_REL, ...) 972 * @c: code which corresponds to this usage and type 973 */ 974 static inline void hid_map_usage(struct hid_input *hidinput, 975 struct hid_usage *usage, unsigned long **bit, int *max, 976 __u8 type, __u16 c) 977 { 978 struct input_dev *input = hidinput->input; 979 980 usage->type = type; 981 usage->code = c; 982 983 switch (type) { 984 case EV_ABS: 985 *bit = input->absbit; 986 *max = ABS_MAX; 987 break; 988 case EV_REL: 989 *bit = input->relbit; 990 *max = REL_MAX; 991 break; 992 case EV_KEY: 993 *bit = input->keybit; 994 *max = KEY_MAX; 995 break; 996 case EV_LED: 997 *bit = input->ledbit; 998 *max = LED_MAX; 999 break; 1000 } 1001 } 1002 1003 /** 1004 * hid_map_usage_clear - map usage input bits and clear the input bit 1005 * 1006 * The same as hid_map_usage, except the @c bit is also cleared in supported 1007 * bits (@bit). 1008 */ 1009 static inline void hid_map_usage_clear(struct hid_input *hidinput, 1010 struct hid_usage *usage, unsigned long **bit, int *max, 1011 __u8 type, __u16 c) 1012 { 1013 hid_map_usage(hidinput, usage, bit, max, type, c); 1014 clear_bit(c, *bit); 1015 } 1016 1017 /** 1018 * hid_parse - parse HW reports 1019 * 1020 * @hdev: hid device 1021 * 1022 * Call this from probe after you set up the device (if needed). Your 1023 * report_fixup will be called (if non-NULL) after reading raw report from 1024 * device before passing it to hid layer for real parsing. 1025 */ 1026 static inline int __must_check hid_parse(struct hid_device *hdev) 1027 { 1028 return hid_open_report(hdev); 1029 } 1030 1031 int __must_check hid_hw_start(struct hid_device *hdev, 1032 unsigned int connect_mask); 1033 void hid_hw_stop(struct hid_device *hdev); 1034 int __must_check hid_hw_open(struct hid_device *hdev); 1035 void hid_hw_close(struct hid_device *hdev); 1036 1037 /** 1038 * hid_hw_power - requests underlying HW to go into given power mode 1039 * 1040 * @hdev: hid device 1041 * @level: requested power level (one of %PM_HINT_* defines) 1042 * 1043 * This function requests underlying hardware to enter requested power 1044 * mode. 1045 */ 1046 1047 static inline int hid_hw_power(struct hid_device *hdev, int level) 1048 { 1049 return hdev->ll_driver->power ? hdev->ll_driver->power(hdev, level) : 0; 1050 } 1051 1052 1053 /** 1054 * hid_hw_request - send report request to device 1055 * 1056 * @hdev: hid device 1057 * @report: report to send 1058 * @reqtype: hid request type 1059 */ 1060 static inline void hid_hw_request(struct hid_device *hdev, 1061 struct hid_report *report, int reqtype) 1062 { 1063 if (hdev->ll_driver->request) 1064 return hdev->ll_driver->request(hdev, report, reqtype); 1065 1066 __hid_request(hdev, report, reqtype); 1067 } 1068 1069 /** 1070 * hid_hw_raw_request - send report request to device 1071 * 1072 * @hdev: hid device 1073 * @reportnum: report ID 1074 * @buf: in/out data to transfer 1075 * @len: length of buf 1076 * @rtype: HID report type 1077 * @reqtype: HID_REQ_GET_REPORT or HID_REQ_SET_REPORT 1078 * 1079 * @return: count of data transfered, negative if error 1080 * 1081 * Same behavior as hid_hw_request, but with raw buffers instead. 1082 */ 1083 static inline int hid_hw_raw_request(struct hid_device *hdev, 1084 unsigned char reportnum, __u8 *buf, 1085 size_t len, unsigned char rtype, int reqtype) 1086 { 1087 if (len < 1 || len > HID_MAX_BUFFER_SIZE || !buf) 1088 return -EINVAL; 1089 1090 return hdev->ll_driver->raw_request(hdev, reportnum, buf, len, 1091 rtype, reqtype); 1092 } 1093 1094 /** 1095 * hid_hw_output_report - send output report to device 1096 * 1097 * @hdev: hid device 1098 * @buf: raw data to transfer 1099 * @len: length of buf 1100 * 1101 * @return: count of data transfered, negative if error 1102 */ 1103 static inline int hid_hw_output_report(struct hid_device *hdev, __u8 *buf, 1104 size_t len) 1105 { 1106 if (len < 1 || len > HID_MAX_BUFFER_SIZE || !buf) 1107 return -EINVAL; 1108 1109 if (hdev->ll_driver->output_report) 1110 return hdev->ll_driver->output_report(hdev, buf, len); 1111 1112 return -ENOSYS; 1113 } 1114 1115 /** 1116 * hid_hw_idle - send idle request to device 1117 * 1118 * @hdev: hid device 1119 * @report: report to control 1120 * @idle: idle state 1121 * @reqtype: hid request type 1122 */ 1123 static inline int hid_hw_idle(struct hid_device *hdev, int report, int idle, 1124 int reqtype) 1125 { 1126 if (hdev->ll_driver->idle) 1127 return hdev->ll_driver->idle(hdev, report, idle, reqtype); 1128 1129 return 0; 1130 } 1131 1132 /** 1133 * hid_hw_wait - wait for buffered io to complete 1134 * 1135 * @hdev: hid device 1136 */ 1137 static inline void hid_hw_wait(struct hid_device *hdev) 1138 { 1139 if (hdev->ll_driver->wait) 1140 hdev->ll_driver->wait(hdev); 1141 } 1142 1143 /** 1144 * hid_report_len - calculate the report length 1145 * 1146 * @report: the report we want to know the length 1147 */ 1148 static inline u32 hid_report_len(struct hid_report *report) 1149 { 1150 /* equivalent to DIV_ROUND_UP(report->size, 8) + !!(report->id > 0) */ 1151 return ((report->size - 1) >> 3) + 1 + (report->id > 0); 1152 } 1153 1154 int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, u32 size, 1155 int interrupt); 1156 1157 /* HID quirks API */ 1158 unsigned long hid_lookup_quirk(const struct hid_device *hdev); 1159 int hid_quirks_init(char **quirks_param, __u16 bus, int count); 1160 void hid_quirks_exit(__u16 bus); 1161 1162 #ifdef CONFIG_HID_PID 1163 int hid_pidff_init(struct hid_device *hid); 1164 #else 1165 #define hid_pidff_init NULL 1166 #endif 1167 1168 #define dbg_hid(format, arg...) \ 1169 do { \ 1170 if (hid_debug) \ 1171 printk(KERN_DEBUG "%s: " format, __FILE__, ##arg); \ 1172 } while (0) 1173 1174 #define hid_printk(level, hid, fmt, arg...) \ 1175 dev_printk(level, &(hid)->dev, fmt, ##arg) 1176 #define hid_emerg(hid, fmt, arg...) \ 1177 dev_emerg(&(hid)->dev, fmt, ##arg) 1178 #define hid_crit(hid, fmt, arg...) \ 1179 dev_crit(&(hid)->dev, fmt, ##arg) 1180 #define hid_alert(hid, fmt, arg...) \ 1181 dev_alert(&(hid)->dev, fmt, ##arg) 1182 #define hid_err(hid, fmt, arg...) \ 1183 dev_err(&(hid)->dev, fmt, ##arg) 1184 #define hid_notice(hid, fmt, arg...) \ 1185 dev_notice(&(hid)->dev, fmt, ##arg) 1186 #define hid_warn(hid, fmt, arg...) \ 1187 dev_warn(&(hid)->dev, fmt, ##arg) 1188 #define hid_info(hid, fmt, arg...) \ 1189 dev_info(&(hid)->dev, fmt, ##arg) 1190 #define hid_dbg(hid, fmt, arg...) \ 1191 dev_dbg(&(hid)->dev, fmt, ##arg) 1192 1193 #endif 1194