1 #ifndef _INPUT_H 2 #define _INPUT_H 3 4 /* 5 * Copyright (c) 1999-2002 Vojtech Pavlik 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms of the GNU General Public License version 2 as published by 9 * the Free Software Foundation. 10 */ 11 12 #ifdef __KERNEL__ 13 #include <linux/time.h> 14 #include <linux/list.h> 15 #else 16 #include <sys/time.h> 17 #include <sys/ioctl.h> 18 #include <sys/types.h> 19 #include <linux/types.h> 20 #endif 21 22 /* 23 * The event structure itself 24 */ 25 26 struct input_event { 27 struct timeval time; 28 __u16 type; 29 __u16 code; 30 __s32 value; 31 }; 32 33 /* 34 * Protocol version. 35 */ 36 37 #define EV_VERSION 0x010000 38 39 /* 40 * IOCTLs (0x00 - 0x7f) 41 */ 42 43 struct input_id { 44 __u16 bustype; 45 __u16 vendor; 46 __u16 product; 47 __u16 version; 48 }; 49 50 struct input_absinfo { 51 __s32 value; 52 __s32 minimum; 53 __s32 maximum; 54 __s32 fuzz; 55 __s32 flat; 56 }; 57 58 #define EVIOCGVERSION _IOR('E', 0x01, int) /* get driver version */ 59 #define EVIOCGID _IOR('E', 0x02, struct input_id) /* get device ID */ 60 #define EVIOCGREP _IOR('E', 0x03, int[2]) /* get repeat settings */ 61 #define EVIOCSREP _IOW('E', 0x03, int[2]) /* set repeat settings */ 62 #define EVIOCGKEYCODE _IOR('E', 0x04, int[2]) /* get keycode */ 63 #define EVIOCSKEYCODE _IOW('E', 0x04, int[2]) /* set keycode */ 64 65 #define EVIOCGNAME(len) _IOC(_IOC_READ, 'E', 0x06, len) /* get device name */ 66 #define EVIOCGPHYS(len) _IOC(_IOC_READ, 'E', 0x07, len) /* get physical location */ 67 #define EVIOCGUNIQ(len) _IOC(_IOC_READ, 'E', 0x08, len) /* get unique identifier */ 68 69 #define EVIOCGKEY(len) _IOC(_IOC_READ, 'E', 0x18, len) /* get global keystate */ 70 #define EVIOCGLED(len) _IOC(_IOC_READ, 'E', 0x19, len) /* get all LEDs */ 71 #define EVIOCGSND(len) _IOC(_IOC_READ, 'E', 0x1a, len) /* get all sounds status */ 72 #define EVIOCGSW(len) _IOC(_IOC_READ, 'E', 0x1b, len) /* get all switch states */ 73 74 #define EVIOCGBIT(ev,len) _IOC(_IOC_READ, 'E', 0x20 + ev, len) /* get event bits */ 75 #define EVIOCGABS(abs) _IOR('E', 0x40 + abs, struct input_absinfo) /* get abs value/limits */ 76 #define EVIOCSABS(abs) _IOW('E', 0xc0 + abs, struct input_absinfo) /* set abs value/limits */ 77 78 #define EVIOCSFF _IOC(_IOC_WRITE, 'E', 0x80, sizeof(struct ff_effect)) /* send a force effect to a force feedback device */ 79 #define EVIOCRMFF _IOW('E', 0x81, int) /* Erase a force effect */ 80 #define EVIOCGEFFECTS _IOR('E', 0x84, int) /* Report number of effects playable at the same time */ 81 82 #define EVIOCGRAB _IOW('E', 0x90, int) /* Grab/Release device */ 83 84 /* 85 * Event types 86 */ 87 88 #define EV_SYN 0x00 89 #define EV_KEY 0x01 90 #define EV_REL 0x02 91 #define EV_ABS 0x03 92 #define EV_MSC 0x04 93 #define EV_SW 0x05 94 #define EV_LED 0x11 95 #define EV_SND 0x12 96 #define EV_REP 0x14 97 #define EV_FF 0x15 98 #define EV_PWR 0x16 99 #define EV_FF_STATUS 0x17 100 #define EV_MAX 0x1f 101 #define EV_CNT (EV_MAX+1) 102 103 /* 104 * Synchronization events. 105 */ 106 107 #define SYN_REPORT 0 108 #define SYN_CONFIG 1 109 #define SYN_MT_REPORT 2 110 111 /* 112 * Keys and buttons 113 * 114 * Most of the keys/buttons are modeled after USB HUT 1.12 115 * (see http://www.usb.org/developers/hidpage). 116 * Abbreviations in the comments: 117 * AC - Application Control 118 * AL - Application Launch Button 119 * SC - System Control 120 */ 121 122 #define KEY_RESERVED 0 123 #define KEY_ESC 1 124 #define KEY_1 2 125 #define KEY_2 3 126 #define KEY_3 4 127 #define KEY_4 5 128 #define KEY_5 6 129 #define KEY_6 7 130 #define KEY_7 8 131 #define KEY_8 9 132 #define KEY_9 10 133 #define KEY_0 11 134 #define KEY_MINUS 12 135 #define KEY_EQUAL 13 136 #define KEY_BACKSPACE 14 137 #define KEY_TAB 15 138 #define KEY_Q 16 139 #define KEY_W 17 140 #define KEY_E 18 141 #define KEY_R 19 142 #define KEY_T 20 143 #define KEY_Y 21 144 #define KEY_U 22 145 #define KEY_I 23 146 #define KEY_O 24 147 #define KEY_P 25 148 #define KEY_LEFTBRACE 26 149 #define KEY_RIGHTBRACE 27 150 #define KEY_ENTER 28 151 #define KEY_LEFTCTRL 29 152 #define KEY_A 30 153 #define KEY_S 31 154 #define KEY_D 32 155 #define KEY_F 33 156 #define KEY_G 34 157 #define KEY_H 35 158 #define KEY_J 36 159 #define KEY_K 37 160 #define KEY_L 38 161 #define KEY_SEMICOLON 39 162 #define KEY_APOSTROPHE 40 163 #define KEY_GRAVE 41 164 #define KEY_LEFTSHIFT 42 165 #define KEY_BACKSLASH 43 166 #define KEY_Z 44 167 #define KEY_X 45 168 #define KEY_C 46 169 #define KEY_V 47 170 #define KEY_B 48 171 #define KEY_N 49 172 #define KEY_M 50 173 #define KEY_COMMA 51 174 #define KEY_DOT 52 175 #define KEY_SLASH 53 176 #define KEY_RIGHTSHIFT 54 177 #define KEY_KPASTERISK 55 178 #define KEY_LEFTALT 56 179 #define KEY_SPACE 57 180 #define KEY_CAPSLOCK 58 181 #define KEY_F1 59 182 #define KEY_F2 60 183 #define KEY_F3 61 184 #define KEY_F4 62 185 #define KEY_F5 63 186 #define KEY_F6 64 187 #define KEY_F7 65 188 #define KEY_F8 66 189 #define KEY_F9 67 190 #define KEY_F10 68 191 #define KEY_NUMLOCK 69 192 #define KEY_SCROLLLOCK 70 193 #define KEY_KP7 71 194 #define KEY_KP8 72 195 #define KEY_KP9 73 196 #define KEY_KPMINUS 74 197 #define KEY_KP4 75 198 #define KEY_KP5 76 199 #define KEY_KP6 77 200 #define KEY_KPPLUS 78 201 #define KEY_KP1 79 202 #define KEY_KP2 80 203 #define KEY_KP3 81 204 #define KEY_KP0 82 205 #define KEY_KPDOT 83 206 207 #define KEY_ZENKAKUHANKAKU 85 208 #define KEY_102ND 86 209 #define KEY_F11 87 210 #define KEY_F12 88 211 #define KEY_RO 89 212 #define KEY_KATAKANA 90 213 #define KEY_HIRAGANA 91 214 #define KEY_HENKAN 92 215 #define KEY_KATAKANAHIRAGANA 93 216 #define KEY_MUHENKAN 94 217 #define KEY_KPJPCOMMA 95 218 #define KEY_KPENTER 96 219 #define KEY_RIGHTCTRL 97 220 #define KEY_KPSLASH 98 221 #define KEY_SYSRQ 99 222 #define KEY_RIGHTALT 100 223 #define KEY_LINEFEED 101 224 #define KEY_HOME 102 225 #define KEY_UP 103 226 #define KEY_PAGEUP 104 227 #define KEY_LEFT 105 228 #define KEY_RIGHT 106 229 #define KEY_END 107 230 #define KEY_DOWN 108 231 #define KEY_PAGEDOWN 109 232 #define KEY_INSERT 110 233 #define KEY_DELETE 111 234 #define KEY_MACRO 112 235 #define KEY_MUTE 113 236 #define KEY_VOLUMEDOWN 114 237 #define KEY_VOLUMEUP 115 238 #define KEY_POWER 116 /* SC System Power Down */ 239 #define KEY_KPEQUAL 117 240 #define KEY_KPPLUSMINUS 118 241 #define KEY_PAUSE 119 242 #define KEY_SCALE 120 /* AL Compiz Scale (Expose) */ 243 244 #define KEY_KPCOMMA 121 245 #define KEY_HANGEUL 122 246 #define KEY_HANGUEL KEY_HANGEUL 247 #define KEY_HANJA 123 248 #define KEY_YEN 124 249 #define KEY_LEFTMETA 125 250 #define KEY_RIGHTMETA 126 251 #define KEY_COMPOSE 127 252 253 #define KEY_STOP 128 /* AC Stop */ 254 #define KEY_AGAIN 129 255 #define KEY_PROPS 130 /* AC Properties */ 256 #define KEY_UNDO 131 /* AC Undo */ 257 #define KEY_FRONT 132 258 #define KEY_COPY 133 /* AC Copy */ 259 #define KEY_OPEN 134 /* AC Open */ 260 #define KEY_PASTE 135 /* AC Paste */ 261 #define KEY_FIND 136 /* AC Search */ 262 #define KEY_CUT 137 /* AC Cut */ 263 #define KEY_HELP 138 /* AL Integrated Help Center */ 264 #define KEY_MENU 139 /* Menu (show menu) */ 265 #define KEY_CALC 140 /* AL Calculator */ 266 #define KEY_SETUP 141 267 #define KEY_SLEEP 142 /* SC System Sleep */ 268 #define KEY_WAKEUP 143 /* System Wake Up */ 269 #define KEY_FILE 144 /* AL Local Machine Browser */ 270 #define KEY_SENDFILE 145 271 #define KEY_DELETEFILE 146 272 #define KEY_XFER 147 273 #define KEY_PROG1 148 274 #define KEY_PROG2 149 275 #define KEY_WWW 150 /* AL Internet Browser */ 276 #define KEY_MSDOS 151 277 #define KEY_COFFEE 152 /* AL Terminal Lock/Screensaver */ 278 #define KEY_SCREENLOCK KEY_COFFEE 279 #define KEY_DIRECTION 153 280 #define KEY_CYCLEWINDOWS 154 281 #define KEY_MAIL 155 282 #define KEY_BOOKMARKS 156 /* AC Bookmarks */ 283 #define KEY_COMPUTER 157 284 #define KEY_BACK 158 /* AC Back */ 285 #define KEY_FORWARD 159 /* AC Forward */ 286 #define KEY_CLOSECD 160 287 #define KEY_EJECTCD 161 288 #define KEY_EJECTCLOSECD 162 289 #define KEY_NEXTSONG 163 290 #define KEY_PLAYPAUSE 164 291 #define KEY_PREVIOUSSONG 165 292 #define KEY_STOPCD 166 293 #define KEY_RECORD 167 294 #define KEY_REWIND 168 295 #define KEY_PHONE 169 /* Media Select Telephone */ 296 #define KEY_ISO 170 297 #define KEY_CONFIG 171 /* AL Consumer Control Configuration */ 298 #define KEY_HOMEPAGE 172 /* AC Home */ 299 #define KEY_REFRESH 173 /* AC Refresh */ 300 #define KEY_EXIT 174 /* AC Exit */ 301 #define KEY_MOVE 175 302 #define KEY_EDIT 176 303 #define KEY_SCROLLUP 177 304 #define KEY_SCROLLDOWN 178 305 #define KEY_KPLEFTPAREN 179 306 #define KEY_KPRIGHTPAREN 180 307 #define KEY_NEW 181 /* AC New */ 308 #define KEY_REDO 182 /* AC Redo/Repeat */ 309 310 #define KEY_F13 183 311 #define KEY_F14 184 312 #define KEY_F15 185 313 #define KEY_F16 186 314 #define KEY_F17 187 315 #define KEY_F18 188 316 #define KEY_F19 189 317 #define KEY_F20 190 318 #define KEY_F21 191 319 #define KEY_F22 192 320 #define KEY_F23 193 321 #define KEY_F24 194 322 323 #define KEY_PLAYCD 200 324 #define KEY_PAUSECD 201 325 #define KEY_PROG3 202 326 #define KEY_PROG4 203 327 #define KEY_DASHBOARD 204 /* AL Dashboard */ 328 #define KEY_SUSPEND 205 329 #define KEY_CLOSE 206 /* AC Close */ 330 #define KEY_PLAY 207 331 #define KEY_FASTFORWARD 208 332 #define KEY_BASSBOOST 209 333 #define KEY_PRINT 210 /* AC Print */ 334 #define KEY_HP 211 335 #define KEY_CAMERA 212 336 #define KEY_SOUND 213 337 #define KEY_QUESTION 214 338 #define KEY_EMAIL 215 339 #define KEY_CHAT 216 340 #define KEY_SEARCH 217 341 #define KEY_CONNECT 218 342 #define KEY_FINANCE 219 /* AL Checkbook/Finance */ 343 #define KEY_SPORT 220 344 #define KEY_SHOP 221 345 #define KEY_ALTERASE 222 346 #define KEY_CANCEL 223 /* AC Cancel */ 347 #define KEY_BRIGHTNESSDOWN 224 348 #define KEY_BRIGHTNESSUP 225 349 #define KEY_MEDIA 226 350 351 #define KEY_SWITCHVIDEOMODE 227 /* Cycle between available video 352 outputs (Monitor/LCD/TV-out/etc) */ 353 #define KEY_KBDILLUMTOGGLE 228 354 #define KEY_KBDILLUMDOWN 229 355 #define KEY_KBDILLUMUP 230 356 357 #define KEY_SEND 231 /* AC Send */ 358 #define KEY_REPLY 232 /* AC Reply */ 359 #define KEY_FORWARDMAIL 233 /* AC Forward Msg */ 360 #define KEY_SAVE 234 /* AC Save */ 361 #define KEY_DOCUMENTS 235 362 363 #define KEY_BATTERY 236 364 365 #define KEY_BLUETOOTH 237 366 #define KEY_WLAN 238 367 #define KEY_UWB 239 368 369 #define KEY_UNKNOWN 240 370 371 #define KEY_VIDEO_NEXT 241 /* drive next video source */ 372 #define KEY_VIDEO_PREV 242 /* drive previous video source */ 373 #define KEY_BRIGHTNESS_CYCLE 243 /* brightness up, after max is min */ 374 #define KEY_BRIGHTNESS_ZERO 244 /* brightness off, use ambient */ 375 #define KEY_DISPLAY_OFF 245 /* display device to off state */ 376 377 #define KEY_WIMAX 246 378 379 /* Range 248 - 255 is reserved for special needs of AT keyboard driver */ 380 381 #define BTN_MISC 0x100 382 #define BTN_0 0x100 383 #define BTN_1 0x101 384 #define BTN_2 0x102 385 #define BTN_3 0x103 386 #define BTN_4 0x104 387 #define BTN_5 0x105 388 #define BTN_6 0x106 389 #define BTN_7 0x107 390 #define BTN_8 0x108 391 #define BTN_9 0x109 392 393 #define BTN_MOUSE 0x110 394 #define BTN_LEFT 0x110 395 #define BTN_RIGHT 0x111 396 #define BTN_MIDDLE 0x112 397 #define BTN_SIDE 0x113 398 #define BTN_EXTRA 0x114 399 #define BTN_FORWARD 0x115 400 #define BTN_BACK 0x116 401 #define BTN_TASK 0x117 402 403 #define BTN_JOYSTICK 0x120 404 #define BTN_TRIGGER 0x120 405 #define BTN_THUMB 0x121 406 #define BTN_THUMB2 0x122 407 #define BTN_TOP 0x123 408 #define BTN_TOP2 0x124 409 #define BTN_PINKIE 0x125 410 #define BTN_BASE 0x126 411 #define BTN_BASE2 0x127 412 #define BTN_BASE3 0x128 413 #define BTN_BASE4 0x129 414 #define BTN_BASE5 0x12a 415 #define BTN_BASE6 0x12b 416 #define BTN_DEAD 0x12f 417 418 #define BTN_GAMEPAD 0x130 419 #define BTN_A 0x130 420 #define BTN_B 0x131 421 #define BTN_C 0x132 422 #define BTN_X 0x133 423 #define BTN_Y 0x134 424 #define BTN_Z 0x135 425 #define BTN_TL 0x136 426 #define BTN_TR 0x137 427 #define BTN_TL2 0x138 428 #define BTN_TR2 0x139 429 #define BTN_SELECT 0x13a 430 #define BTN_START 0x13b 431 #define BTN_MODE 0x13c 432 #define BTN_THUMBL 0x13d 433 #define BTN_THUMBR 0x13e 434 435 #define BTN_DIGI 0x140 436 #define BTN_TOOL_PEN 0x140 437 #define BTN_TOOL_RUBBER 0x141 438 #define BTN_TOOL_BRUSH 0x142 439 #define BTN_TOOL_PENCIL 0x143 440 #define BTN_TOOL_AIRBRUSH 0x144 441 #define BTN_TOOL_FINGER 0x145 442 #define BTN_TOOL_MOUSE 0x146 443 #define BTN_TOOL_LENS 0x147 444 #define BTN_TOUCH 0x14a 445 #define BTN_STYLUS 0x14b 446 #define BTN_STYLUS2 0x14c 447 #define BTN_TOOL_DOUBLETAP 0x14d 448 #define BTN_TOOL_TRIPLETAP 0x14e 449 #define BTN_TOOL_QUADTAP 0x14f /* Four fingers on trackpad */ 450 451 #define BTN_WHEEL 0x150 452 #define BTN_GEAR_DOWN 0x150 453 #define BTN_GEAR_UP 0x151 454 455 #define KEY_OK 0x160 456 #define KEY_SELECT 0x161 457 #define KEY_GOTO 0x162 458 #define KEY_CLEAR 0x163 459 #define KEY_POWER2 0x164 460 #define KEY_OPTION 0x165 461 #define KEY_INFO 0x166 /* AL OEM Features/Tips/Tutorial */ 462 #define KEY_TIME 0x167 463 #define KEY_VENDOR 0x168 464 #define KEY_ARCHIVE 0x169 465 #define KEY_PROGRAM 0x16a /* Media Select Program Guide */ 466 #define KEY_CHANNEL 0x16b 467 #define KEY_FAVORITES 0x16c 468 #define KEY_EPG 0x16d 469 #define KEY_PVR 0x16e /* Media Select Home */ 470 #define KEY_MHP 0x16f 471 #define KEY_LANGUAGE 0x170 472 #define KEY_TITLE 0x171 473 #define KEY_SUBTITLE 0x172 474 #define KEY_ANGLE 0x173 475 #define KEY_ZOOM 0x174 476 #define KEY_MODE 0x175 477 #define KEY_KEYBOARD 0x176 478 #define KEY_SCREEN 0x177 479 #define KEY_PC 0x178 /* Media Select Computer */ 480 #define KEY_TV 0x179 /* Media Select TV */ 481 #define KEY_TV2 0x17a /* Media Select Cable */ 482 #define KEY_VCR 0x17b /* Media Select VCR */ 483 #define KEY_VCR2 0x17c /* VCR Plus */ 484 #define KEY_SAT 0x17d /* Media Select Satellite */ 485 #define KEY_SAT2 0x17e 486 #define KEY_CD 0x17f /* Media Select CD */ 487 #define KEY_TAPE 0x180 /* Media Select Tape */ 488 #define KEY_RADIO 0x181 489 #define KEY_TUNER 0x182 /* Media Select Tuner */ 490 #define KEY_PLAYER 0x183 491 #define KEY_TEXT 0x184 492 #define KEY_DVD 0x185 /* Media Select DVD */ 493 #define KEY_AUX 0x186 494 #define KEY_MP3 0x187 495 #define KEY_AUDIO 0x188 496 #define KEY_VIDEO 0x189 497 #define KEY_DIRECTORY 0x18a 498 #define KEY_LIST 0x18b 499 #define KEY_MEMO 0x18c /* Media Select Messages */ 500 #define KEY_CALENDAR 0x18d 501 #define KEY_RED 0x18e 502 #define KEY_GREEN 0x18f 503 #define KEY_YELLOW 0x190 504 #define KEY_BLUE 0x191 505 #define KEY_CHANNELUP 0x192 /* Channel Increment */ 506 #define KEY_CHANNELDOWN 0x193 /* Channel Decrement */ 507 #define KEY_FIRST 0x194 508 #define KEY_LAST 0x195 /* Recall Last */ 509 #define KEY_AB 0x196 510 #define KEY_NEXT 0x197 511 #define KEY_RESTART 0x198 512 #define KEY_SLOW 0x199 513 #define KEY_SHUFFLE 0x19a 514 #define KEY_BREAK 0x19b 515 #define KEY_PREVIOUS 0x19c 516 #define KEY_DIGITS 0x19d 517 #define KEY_TEEN 0x19e 518 #define KEY_TWEN 0x19f 519 #define KEY_VIDEOPHONE 0x1a0 /* Media Select Video Phone */ 520 #define KEY_GAMES 0x1a1 /* Media Select Games */ 521 #define KEY_ZOOMIN 0x1a2 /* AC Zoom In */ 522 #define KEY_ZOOMOUT 0x1a3 /* AC Zoom Out */ 523 #define KEY_ZOOMRESET 0x1a4 /* AC Zoom */ 524 #define KEY_WORDPROCESSOR 0x1a5 /* AL Word Processor */ 525 #define KEY_EDITOR 0x1a6 /* AL Text Editor */ 526 #define KEY_SPREADSHEET 0x1a7 /* AL Spreadsheet */ 527 #define KEY_GRAPHICSEDITOR 0x1a8 /* AL Graphics Editor */ 528 #define KEY_PRESENTATION 0x1a9 /* AL Presentation App */ 529 #define KEY_DATABASE 0x1aa /* AL Database App */ 530 #define KEY_NEWS 0x1ab /* AL Newsreader */ 531 #define KEY_VOICEMAIL 0x1ac /* AL Voicemail */ 532 #define KEY_ADDRESSBOOK 0x1ad /* AL Contacts/Address Book */ 533 #define KEY_MESSENGER 0x1ae /* AL Instant Messaging */ 534 #define KEY_DISPLAYTOGGLE 0x1af /* Turn display (LCD) on and off */ 535 #define KEY_SPELLCHECK 0x1b0 /* AL Spell Check */ 536 #define KEY_LOGOFF 0x1b1 /* AL Logoff */ 537 538 #define KEY_DOLLAR 0x1b2 539 #define KEY_EURO 0x1b3 540 541 #define KEY_FRAMEBACK 0x1b4 /* Consumer - transport controls */ 542 #define KEY_FRAMEFORWARD 0x1b5 543 #define KEY_CONTEXT_MENU 0x1b6 /* GenDesc - system context menu */ 544 #define KEY_MEDIA_REPEAT 0x1b7 /* Consumer - transport control */ 545 546 #define KEY_DEL_EOL 0x1c0 547 #define KEY_DEL_EOS 0x1c1 548 #define KEY_INS_LINE 0x1c2 549 #define KEY_DEL_LINE 0x1c3 550 551 #define KEY_FN 0x1d0 552 #define KEY_FN_ESC 0x1d1 553 #define KEY_FN_F1 0x1d2 554 #define KEY_FN_F2 0x1d3 555 #define KEY_FN_F3 0x1d4 556 #define KEY_FN_F4 0x1d5 557 #define KEY_FN_F5 0x1d6 558 #define KEY_FN_F6 0x1d7 559 #define KEY_FN_F7 0x1d8 560 #define KEY_FN_F8 0x1d9 561 #define KEY_FN_F9 0x1da 562 #define KEY_FN_F10 0x1db 563 #define KEY_FN_F11 0x1dc 564 #define KEY_FN_F12 0x1dd 565 #define KEY_FN_1 0x1de 566 #define KEY_FN_2 0x1df 567 #define KEY_FN_D 0x1e0 568 #define KEY_FN_E 0x1e1 569 #define KEY_FN_F 0x1e2 570 #define KEY_FN_S 0x1e3 571 #define KEY_FN_B 0x1e4 572 573 #define KEY_BRL_DOT1 0x1f1 574 #define KEY_BRL_DOT2 0x1f2 575 #define KEY_BRL_DOT3 0x1f3 576 #define KEY_BRL_DOT4 0x1f4 577 #define KEY_BRL_DOT5 0x1f5 578 #define KEY_BRL_DOT6 0x1f6 579 #define KEY_BRL_DOT7 0x1f7 580 #define KEY_BRL_DOT8 0x1f8 581 #define KEY_BRL_DOT9 0x1f9 582 #define KEY_BRL_DOT10 0x1fa 583 584 #define KEY_NUMERIC_0 0x200 /* used by phones, remote controls, */ 585 #define KEY_NUMERIC_1 0x201 /* and other keypads */ 586 #define KEY_NUMERIC_2 0x202 587 #define KEY_NUMERIC_3 0x203 588 #define KEY_NUMERIC_4 0x204 589 #define KEY_NUMERIC_5 0x205 590 #define KEY_NUMERIC_6 0x206 591 #define KEY_NUMERIC_7 0x207 592 #define KEY_NUMERIC_8 0x208 593 #define KEY_NUMERIC_9 0x209 594 #define KEY_NUMERIC_STAR 0x20a 595 #define KEY_NUMERIC_POUND 0x20b 596 597 /* We avoid low common keys in module aliases so they don't get huge. */ 598 #define KEY_MIN_INTERESTING KEY_MUTE 599 #define KEY_MAX 0x2ff 600 #define KEY_CNT (KEY_MAX+1) 601 602 /* 603 * Relative axes 604 */ 605 606 #define REL_X 0x00 607 #define REL_Y 0x01 608 #define REL_Z 0x02 609 #define REL_RX 0x03 610 #define REL_RY 0x04 611 #define REL_RZ 0x05 612 #define REL_HWHEEL 0x06 613 #define REL_DIAL 0x07 614 #define REL_WHEEL 0x08 615 #define REL_MISC 0x09 616 #define REL_MAX 0x0f 617 #define REL_CNT (REL_MAX+1) 618 619 /* 620 * Absolute axes 621 */ 622 623 #define ABS_X 0x00 624 #define ABS_Y 0x01 625 #define ABS_Z 0x02 626 #define ABS_RX 0x03 627 #define ABS_RY 0x04 628 #define ABS_RZ 0x05 629 #define ABS_THROTTLE 0x06 630 #define ABS_RUDDER 0x07 631 #define ABS_WHEEL 0x08 632 #define ABS_GAS 0x09 633 #define ABS_BRAKE 0x0a 634 #define ABS_HAT0X 0x10 635 #define ABS_HAT0Y 0x11 636 #define ABS_HAT1X 0x12 637 #define ABS_HAT1Y 0x13 638 #define ABS_HAT2X 0x14 639 #define ABS_HAT2Y 0x15 640 #define ABS_HAT3X 0x16 641 #define ABS_HAT3Y 0x17 642 #define ABS_PRESSURE 0x18 643 #define ABS_DISTANCE 0x19 644 #define ABS_TILT_X 0x1a 645 #define ABS_TILT_Y 0x1b 646 #define ABS_TOOL_WIDTH 0x1c 647 #define ABS_VOLUME 0x20 648 #define ABS_MISC 0x28 649 650 #define ABS_MT_TOUCH_MAJOR 0x30 /* Major axis of touching ellipse */ 651 #define ABS_MT_TOUCH_MINOR 0x31 /* Minor axis (omit if circular) */ 652 #define ABS_MT_WIDTH_MAJOR 0x32 /* Major axis of approaching ellipse */ 653 #define ABS_MT_WIDTH_MINOR 0x33 /* Minor axis (omit if circular) */ 654 #define ABS_MT_ORIENTATION 0x34 /* Ellipse orientation */ 655 #define ABS_MT_POSITION_X 0x35 /* Center X ellipse position */ 656 #define ABS_MT_POSITION_Y 0x36 /* Center Y ellipse position */ 657 #define ABS_MT_TOOL_TYPE 0x37 /* Type of touching device */ 658 #define ABS_MT_BLOB_ID 0x38 /* Group a set of packets as a blob */ 659 #define ABS_MT_TRACKING_ID 0x39 /* Unique ID of initiated contact */ 660 661 #define ABS_MAX 0x3f 662 #define ABS_CNT (ABS_MAX+1) 663 664 /* 665 * Switch events 666 */ 667 668 #define SW_LID 0x00 /* set = lid shut */ 669 #define SW_TABLET_MODE 0x01 /* set = tablet mode */ 670 #define SW_HEADPHONE_INSERT 0x02 /* set = inserted */ 671 #define SW_RFKILL_ALL 0x03 /* rfkill master switch, type "any" 672 set = radio enabled */ 673 #define SW_RADIO SW_RFKILL_ALL /* deprecated */ 674 #define SW_MICROPHONE_INSERT 0x04 /* set = inserted */ 675 #define SW_DOCK 0x05 /* set = plugged into dock */ 676 #define SW_LINEOUT_INSERT 0x06 /* set = inserted */ 677 #define SW_JACK_PHYSICAL_INSERT 0x07 /* set = mechanical switch set */ 678 #define SW_VIDEOOUT_INSERT 0x08 /* set = inserted */ 679 #define SW_MAX 0x0f 680 #define SW_CNT (SW_MAX+1) 681 682 /* 683 * Misc events 684 */ 685 686 #define MSC_SERIAL 0x00 687 #define MSC_PULSELED 0x01 688 #define MSC_GESTURE 0x02 689 #define MSC_RAW 0x03 690 #define MSC_SCAN 0x04 691 #define MSC_MAX 0x07 692 #define MSC_CNT (MSC_MAX+1) 693 694 /* 695 * LEDs 696 */ 697 698 #define LED_NUML 0x00 699 #define LED_CAPSL 0x01 700 #define LED_SCROLLL 0x02 701 #define LED_COMPOSE 0x03 702 #define LED_KANA 0x04 703 #define LED_SLEEP 0x05 704 #define LED_SUSPEND 0x06 705 #define LED_MUTE 0x07 706 #define LED_MISC 0x08 707 #define LED_MAIL 0x09 708 #define LED_CHARGING 0x0a 709 #define LED_MAX 0x0f 710 #define LED_CNT (LED_MAX+1) 711 712 /* 713 * Autorepeat values 714 */ 715 716 #define REP_DELAY 0x00 717 #define REP_PERIOD 0x01 718 #define REP_MAX 0x01 719 720 /* 721 * Sounds 722 */ 723 724 #define SND_CLICK 0x00 725 #define SND_BELL 0x01 726 #define SND_TONE 0x02 727 #define SND_MAX 0x07 728 #define SND_CNT (SND_MAX+1) 729 730 /* 731 * IDs. 732 */ 733 734 #define ID_BUS 0 735 #define ID_VENDOR 1 736 #define ID_PRODUCT 2 737 #define ID_VERSION 3 738 739 #define BUS_PCI 0x01 740 #define BUS_ISAPNP 0x02 741 #define BUS_USB 0x03 742 #define BUS_HIL 0x04 743 #define BUS_BLUETOOTH 0x05 744 #define BUS_VIRTUAL 0x06 745 746 #define BUS_ISA 0x10 747 #define BUS_I8042 0x11 748 #define BUS_XTKBD 0x12 749 #define BUS_RS232 0x13 750 #define BUS_GAMEPORT 0x14 751 #define BUS_PARPORT 0x15 752 #define BUS_AMIGA 0x16 753 #define BUS_ADB 0x17 754 #define BUS_I2C 0x18 755 #define BUS_HOST 0x19 756 #define BUS_GSC 0x1A 757 #define BUS_ATARI 0x1B 758 759 /* 760 * MT_TOOL types 761 */ 762 #define MT_TOOL_FINGER 0 763 #define MT_TOOL_PEN 1 764 765 /* 766 * Values describing the status of a force-feedback effect 767 */ 768 #define FF_STATUS_STOPPED 0x00 769 #define FF_STATUS_PLAYING 0x01 770 #define FF_STATUS_MAX 0x01 771 772 /* 773 * Structures used in ioctls to upload effects to a device 774 * They are pieces of a bigger structure (called ff_effect) 775 */ 776 777 /* 778 * All duration values are expressed in ms. Values above 32767 ms (0x7fff) 779 * should not be used and have unspecified results. 780 */ 781 782 /** 783 * struct ff_replay - defines scheduling of the force-feedback effect 784 * @length: duration of the effect 785 * @delay: delay before effect should start playing 786 */ 787 struct ff_replay { 788 __u16 length; 789 __u16 delay; 790 }; 791 792 /** 793 * struct ff_trigger - defines what triggers the force-feedback effect 794 * @button: number of the button triggering the effect 795 * @interval: controls how soon the effect can be re-triggered 796 */ 797 struct ff_trigger { 798 __u16 button; 799 __u16 interval; 800 }; 801 802 /** 803 * struct ff_envelope - generic force-feedback effect envelope 804 * @attack_length: duration of the attack (ms) 805 * @attack_level: level at the beginning of the attack 806 * @fade_length: duration of fade (ms) 807 * @fade_level: level at the end of fade 808 * 809 * The @attack_level and @fade_level are absolute values; when applying 810 * envelope force-feedback core will convert to positive/negative 811 * value based on polarity of the default level of the effect. 812 * Valid range for the attack and fade levels is 0x0000 - 0x7fff 813 */ 814 struct ff_envelope { 815 __u16 attack_length; 816 __u16 attack_level; 817 __u16 fade_length; 818 __u16 fade_level; 819 }; 820 821 /** 822 * struct ff_constant_effect - defines parameters of a constant force-feedback effect 823 * @level: strength of the effect; may be negative 824 * @envelope: envelope data 825 */ 826 struct ff_constant_effect { 827 __s16 level; 828 struct ff_envelope envelope; 829 }; 830 831 /** 832 * struct ff_ramp_effect - defines parameters of a ramp force-feedback effect 833 * @start_level: beginning strength of the effect; may be negative 834 * @end_level: final strength of the effect; may be negative 835 * @envelope: envelope data 836 */ 837 struct ff_ramp_effect { 838 __s16 start_level; 839 __s16 end_level; 840 struct ff_envelope envelope; 841 }; 842 843 /** 844 * struct ff_condition_effect - defines a spring or friction force-feedback effect 845 * @right_saturation: maximum level when joystick moved all way to the right 846 * @left_saturation: same for the left side 847 * @right_coeff: controls how fast the force grows when the joystick moves 848 * to the right 849 * @left_coeff: same for the left side 850 * @deadband: size of the dead zone, where no force is produced 851 * @center: position of the dead zone 852 */ 853 struct ff_condition_effect { 854 __u16 right_saturation; 855 __u16 left_saturation; 856 857 __s16 right_coeff; 858 __s16 left_coeff; 859 860 __u16 deadband; 861 __s16 center; 862 }; 863 864 /** 865 * struct ff_periodic_effect - defines parameters of a periodic force-feedback effect 866 * @waveform: kind of the effect (wave) 867 * @period: period of the wave (ms) 868 * @magnitude: peak value 869 * @offset: mean value of the wave (roughly) 870 * @phase: 'horizontal' shift 871 * @envelope: envelope data 872 * @custom_len: number of samples (FF_CUSTOM only) 873 * @custom_data: buffer of samples (FF_CUSTOM only) 874 * 875 * Known waveforms - FF_SQUARE, FF_TRIANGLE, FF_SINE, FF_SAW_UP, 876 * FF_SAW_DOWN, FF_CUSTOM. The exact syntax FF_CUSTOM is undefined 877 * for the time being as no driver supports it yet. 878 * 879 * Note: the data pointed by custom_data is copied by the driver. 880 * You can therefore dispose of the memory after the upload/update. 881 */ 882 struct ff_periodic_effect { 883 __u16 waveform; 884 __u16 period; 885 __s16 magnitude; 886 __s16 offset; 887 __u16 phase; 888 889 struct ff_envelope envelope; 890 891 __u32 custom_len; 892 __s16 *custom_data; 893 }; 894 895 /** 896 * struct ff_rumble_effect - defines parameters of a periodic force-feedback effect 897 * @strong_magnitude: magnitude of the heavy motor 898 * @weak_magnitude: magnitude of the light one 899 * 900 * Some rumble pads have two motors of different weight. Strong_magnitude 901 * represents the magnitude of the vibration generated by the heavy one. 902 */ 903 struct ff_rumble_effect { 904 __u16 strong_magnitude; 905 __u16 weak_magnitude; 906 }; 907 908 /** 909 * struct ff_effect - defines force feedback effect 910 * @type: type of the effect (FF_CONSTANT, FF_PERIODIC, FF_RAMP, FF_SPRING, 911 * FF_FRICTION, FF_DAMPER, FF_RUMBLE, FF_INERTIA, or FF_CUSTOM) 912 * @id: an unique id assigned to an effect 913 * @direction: direction of the effect 914 * @trigger: trigger conditions (struct ff_trigger) 915 * @replay: scheduling of the effect (struct ff_replay) 916 * @u: effect-specific structure (one of ff_constant_effect, ff_ramp_effect, 917 * ff_periodic_effect, ff_condition_effect, ff_rumble_effect) further 918 * defining effect parameters 919 * 920 * This structure is sent through ioctl from the application to the driver. 921 * To create a new effect application should set its @id to -1; the kernel 922 * will return assigned @id which can later be used to update or delete 923 * this effect. 924 * 925 * Direction of the effect is encoded as follows: 926 * 0 deg -> 0x0000 (down) 927 * 90 deg -> 0x4000 (left) 928 * 180 deg -> 0x8000 (up) 929 * 270 deg -> 0xC000 (right) 930 */ 931 struct ff_effect { 932 __u16 type; 933 __s16 id; 934 __u16 direction; 935 struct ff_trigger trigger; 936 struct ff_replay replay; 937 938 union { 939 struct ff_constant_effect constant; 940 struct ff_ramp_effect ramp; 941 struct ff_periodic_effect periodic; 942 struct ff_condition_effect condition[2]; /* One for each axis */ 943 struct ff_rumble_effect rumble; 944 } u; 945 }; 946 947 /* 948 * Force feedback effect types 949 */ 950 951 #define FF_RUMBLE 0x50 952 #define FF_PERIODIC 0x51 953 #define FF_CONSTANT 0x52 954 #define FF_SPRING 0x53 955 #define FF_FRICTION 0x54 956 #define FF_DAMPER 0x55 957 #define FF_INERTIA 0x56 958 #define FF_RAMP 0x57 959 960 #define FF_EFFECT_MIN FF_RUMBLE 961 #define FF_EFFECT_MAX FF_RAMP 962 963 /* 964 * Force feedback periodic effect types 965 */ 966 967 #define FF_SQUARE 0x58 968 #define FF_TRIANGLE 0x59 969 #define FF_SINE 0x5a 970 #define FF_SAW_UP 0x5b 971 #define FF_SAW_DOWN 0x5c 972 #define FF_CUSTOM 0x5d 973 974 #define FF_WAVEFORM_MIN FF_SQUARE 975 #define FF_WAVEFORM_MAX FF_CUSTOM 976 977 /* 978 * Set ff device properties 979 */ 980 981 #define FF_GAIN 0x60 982 #define FF_AUTOCENTER 0x61 983 984 #define FF_MAX 0x7f 985 #define FF_CNT (FF_MAX+1) 986 987 #ifdef __KERNEL__ 988 989 /* 990 * In-kernel definitions. 991 */ 992 993 #include <linux/device.h> 994 #include <linux/fs.h> 995 #include <linux/timer.h> 996 #include <linux/mod_devicetable.h> 997 998 /** 999 * struct input_dev - represents an input device 1000 * @name: name of the device 1001 * @phys: physical path to the device in the system hierarchy 1002 * @uniq: unique identification code for the device (if device has it) 1003 * @id: id of the device (struct input_id) 1004 * @evbit: bitmap of types of events supported by the device (EV_KEY, 1005 * EV_REL, etc.) 1006 * @keybit: bitmap of keys/buttons this device has 1007 * @relbit: bitmap of relative axes for the device 1008 * @absbit: bitmap of absolute axes for the device 1009 * @mscbit: bitmap of miscellaneous events supported by the device 1010 * @ledbit: bitmap of leds present on the device 1011 * @sndbit: bitmap of sound effects supported by the device 1012 * @ffbit: bitmap of force feedback effects supported by the device 1013 * @swbit: bitmap of switches present on the device 1014 * @keycodemax: size of keycode table 1015 * @keycodesize: size of elements in keycode table 1016 * @keycode: map of scancodes to keycodes for this device 1017 * @setkeycode: optional method to alter current keymap, used to implement 1018 * sparse keymaps. If not supplied default mechanism will be used 1019 * @getkeycode: optional method to retrieve current keymap. If not supplied 1020 * default mechanism will be used 1021 * @ff: force feedback structure associated with the device if device 1022 * supports force feedback effects 1023 * @repeat_key: stores key code of the last key pressed; used to implement 1024 * software autorepeat 1025 * @timer: timer for software autorepeat 1026 * @sync: set to 1 when there were no new events since last EV_SYNC 1027 * @abs: current values for reports from absolute axes 1028 * @rep: current values for autorepeat parameters (delay, rate) 1029 * @key: reflects current state of device's keys/buttons 1030 * @led: reflects current state of device's LEDs 1031 * @snd: reflects current state of sound effects 1032 * @sw: reflects current state of device's switches 1033 * @absmax: maximum values for events coming from absolute axes 1034 * @absmin: minimum values for events coming from absolute axes 1035 * @absfuzz: describes noisiness for axes 1036 * @absflat: size of the center flat position (used by joydev) 1037 * @open: this method is called when the very first user calls 1038 * input_open_device(). The driver must prepare the device 1039 * to start generating events (start polling thread, 1040 * request an IRQ, submit URB, etc.) 1041 * @close: this method is called when the very last user calls 1042 * input_close_device(). 1043 * @flush: purges the device. Most commonly used to get rid of force 1044 * feedback effects loaded into the device when disconnecting 1045 * from it 1046 * @event: event handler for events sent _to_ the device, like EV_LED 1047 * or EV_SND. The device is expected to carry out the requested 1048 * action (turn on a LED, play sound, etc.) The call is protected 1049 * by @event_lock and must not sleep 1050 * @grab: input handle that currently has the device grabbed (via 1051 * EVIOCGRAB ioctl). When a handle grabs a device it becomes sole 1052 * recipient for all input events coming from the device 1053 * @event_lock: this spinlock is is taken when input core receives 1054 * and processes a new event for the device (in input_event()). 1055 * Code that accesses and/or modifies parameters of a device 1056 * (such as keymap or absmin, absmax, absfuzz, etc.) after device 1057 * has been registered with input core must take this lock. 1058 * @mutex: serializes calls to open(), close() and flush() methods 1059 * @users: stores number of users (input handlers) that opened this 1060 * device. It is used by input_open_device() and input_close_device() 1061 * to make sure that dev->open() is only called when the first 1062 * user opens device and dev->close() is called when the very 1063 * last user closes the device 1064 * @going_away: marks devices that are in a middle of unregistering and 1065 * causes input_open_device*() fail with -ENODEV. 1066 * @dev: driver model's view of this device 1067 * @h_list: list of input handles associated with the device. When 1068 * accessing the list dev->mutex must be held 1069 * @node: used to place the device onto input_dev_list 1070 */ 1071 struct input_dev { 1072 const char *name; 1073 const char *phys; 1074 const char *uniq; 1075 struct input_id id; 1076 1077 unsigned long evbit[BITS_TO_LONGS(EV_CNT)]; 1078 unsigned long keybit[BITS_TO_LONGS(KEY_CNT)]; 1079 unsigned long relbit[BITS_TO_LONGS(REL_CNT)]; 1080 unsigned long absbit[BITS_TO_LONGS(ABS_CNT)]; 1081 unsigned long mscbit[BITS_TO_LONGS(MSC_CNT)]; 1082 unsigned long ledbit[BITS_TO_LONGS(LED_CNT)]; 1083 unsigned long sndbit[BITS_TO_LONGS(SND_CNT)]; 1084 unsigned long ffbit[BITS_TO_LONGS(FF_CNT)]; 1085 unsigned long swbit[BITS_TO_LONGS(SW_CNT)]; 1086 1087 unsigned int keycodemax; 1088 unsigned int keycodesize; 1089 void *keycode; 1090 int (*setkeycode)(struct input_dev *dev, int scancode, int keycode); 1091 int (*getkeycode)(struct input_dev *dev, int scancode, int *keycode); 1092 1093 struct ff_device *ff; 1094 1095 unsigned int repeat_key; 1096 struct timer_list timer; 1097 1098 int sync; 1099 1100 int abs[ABS_MAX + 1]; 1101 int rep[REP_MAX + 1]; 1102 1103 unsigned long key[BITS_TO_LONGS(KEY_CNT)]; 1104 unsigned long led[BITS_TO_LONGS(LED_CNT)]; 1105 unsigned long snd[BITS_TO_LONGS(SND_CNT)]; 1106 unsigned long sw[BITS_TO_LONGS(SW_CNT)]; 1107 1108 int absmax[ABS_MAX + 1]; 1109 int absmin[ABS_MAX + 1]; 1110 int absfuzz[ABS_MAX + 1]; 1111 int absflat[ABS_MAX + 1]; 1112 1113 int (*open)(struct input_dev *dev); 1114 void (*close)(struct input_dev *dev); 1115 int (*flush)(struct input_dev *dev, struct file *file); 1116 int (*event)(struct input_dev *dev, unsigned int type, unsigned int code, int value); 1117 1118 struct input_handle *grab; 1119 1120 spinlock_t event_lock; 1121 struct mutex mutex; 1122 1123 unsigned int users; 1124 int going_away; 1125 1126 struct device dev; 1127 1128 struct list_head h_list; 1129 struct list_head node; 1130 }; 1131 #define to_input_dev(d) container_of(d, struct input_dev, dev) 1132 1133 /* 1134 * Verify that we are in sync with input_device_id mod_devicetable.h #defines 1135 */ 1136 1137 #if EV_MAX != INPUT_DEVICE_ID_EV_MAX 1138 #error "EV_MAX and INPUT_DEVICE_ID_EV_MAX do not match" 1139 #endif 1140 1141 #if KEY_MIN_INTERESTING != INPUT_DEVICE_ID_KEY_MIN_INTERESTING 1142 #error "KEY_MIN_INTERESTING and INPUT_DEVICE_ID_KEY_MIN_INTERESTING do not match" 1143 #endif 1144 1145 #if KEY_MAX != INPUT_DEVICE_ID_KEY_MAX 1146 #error "KEY_MAX and INPUT_DEVICE_ID_KEY_MAX do not match" 1147 #endif 1148 1149 #if REL_MAX != INPUT_DEVICE_ID_REL_MAX 1150 #error "REL_MAX and INPUT_DEVICE_ID_REL_MAX do not match" 1151 #endif 1152 1153 #if ABS_MAX != INPUT_DEVICE_ID_ABS_MAX 1154 #error "ABS_MAX and INPUT_DEVICE_ID_ABS_MAX do not match" 1155 #endif 1156 1157 #if MSC_MAX != INPUT_DEVICE_ID_MSC_MAX 1158 #error "MSC_MAX and INPUT_DEVICE_ID_MSC_MAX do not match" 1159 #endif 1160 1161 #if LED_MAX != INPUT_DEVICE_ID_LED_MAX 1162 #error "LED_MAX and INPUT_DEVICE_ID_LED_MAX do not match" 1163 #endif 1164 1165 #if SND_MAX != INPUT_DEVICE_ID_SND_MAX 1166 #error "SND_MAX and INPUT_DEVICE_ID_SND_MAX do not match" 1167 #endif 1168 1169 #if FF_MAX != INPUT_DEVICE_ID_FF_MAX 1170 #error "FF_MAX and INPUT_DEVICE_ID_FF_MAX do not match" 1171 #endif 1172 1173 #if SW_MAX != INPUT_DEVICE_ID_SW_MAX 1174 #error "SW_MAX and INPUT_DEVICE_ID_SW_MAX do not match" 1175 #endif 1176 1177 #define INPUT_DEVICE_ID_MATCH_DEVICE \ 1178 (INPUT_DEVICE_ID_MATCH_BUS | INPUT_DEVICE_ID_MATCH_VENDOR | INPUT_DEVICE_ID_MATCH_PRODUCT) 1179 #define INPUT_DEVICE_ID_MATCH_DEVICE_AND_VERSION \ 1180 (INPUT_DEVICE_ID_MATCH_DEVICE | INPUT_DEVICE_ID_MATCH_VERSION) 1181 1182 struct input_handle; 1183 1184 /** 1185 * struct input_handler - implements one of interfaces for input devices 1186 * @private: driver-specific data 1187 * @event: event handler. This method is being called by input core with 1188 * interrupts disabled and dev->event_lock spinlock held and so 1189 * it may not sleep 1190 * @connect: called when attaching a handler to an input device 1191 * @disconnect: disconnects a handler from input device 1192 * @start: starts handler for given handle. This function is called by 1193 * input core right after connect() method and also when a process 1194 * that "grabbed" a device releases it 1195 * @fops: file operations this driver implements 1196 * @minor: beginning of range of 32 minors for devices this driver 1197 * can provide 1198 * @name: name of the handler, to be shown in /proc/bus/input/handlers 1199 * @id_table: pointer to a table of input_device_ids this driver can 1200 * handle 1201 * @blacklist: pointer to a table of input_device_ids this driver should 1202 * ignore even if they match @id_table 1203 * @h_list: list of input handles associated with the handler 1204 * @node: for placing the driver onto input_handler_list 1205 * 1206 * Input handlers attach to input devices and create input handles. There 1207 * are likely several handlers attached to any given input device at the 1208 * same time. All of them will get their copy of input event generated by 1209 * the device. 1210 * 1211 * Note that input core serializes calls to connect() and disconnect() 1212 * methods. 1213 */ 1214 struct input_handler { 1215 1216 void *private; 1217 1218 void (*event)(struct input_handle *handle, unsigned int type, unsigned int code, int value); 1219 int (*connect)(struct input_handler *handler, struct input_dev *dev, const struct input_device_id *id); 1220 void (*disconnect)(struct input_handle *handle); 1221 void (*start)(struct input_handle *handle); 1222 1223 const struct file_operations *fops; 1224 int minor; 1225 const char *name; 1226 1227 const struct input_device_id *id_table; 1228 const struct input_device_id *blacklist; 1229 1230 struct list_head h_list; 1231 struct list_head node; 1232 }; 1233 1234 /** 1235 * struct input_handle - links input device with an input handler 1236 * @private: handler-specific data 1237 * @open: counter showing whether the handle is 'open', i.e. should deliver 1238 * events from its device 1239 * @name: name given to the handle by handler that created it 1240 * @dev: input device the handle is attached to 1241 * @handler: handler that works with the device through this handle 1242 * @d_node: used to put the handle on device's list of attached handles 1243 * @h_node: used to put the handle on handler's list of handles from which 1244 * it gets events 1245 */ 1246 struct input_handle { 1247 1248 void *private; 1249 1250 int open; 1251 const char *name; 1252 1253 struct input_dev *dev; 1254 struct input_handler *handler; 1255 1256 struct list_head d_node; 1257 struct list_head h_node; 1258 }; 1259 1260 struct input_dev *input_allocate_device(void); 1261 void input_free_device(struct input_dev *dev); 1262 1263 static inline struct input_dev *input_get_device(struct input_dev *dev) 1264 { 1265 return dev ? to_input_dev(get_device(&dev->dev)) : NULL; 1266 } 1267 1268 static inline void input_put_device(struct input_dev *dev) 1269 { 1270 if (dev) 1271 put_device(&dev->dev); 1272 } 1273 1274 static inline void *input_get_drvdata(struct input_dev *dev) 1275 { 1276 return dev_get_drvdata(&dev->dev); 1277 } 1278 1279 static inline void input_set_drvdata(struct input_dev *dev, void *data) 1280 { 1281 dev_set_drvdata(&dev->dev, data); 1282 } 1283 1284 int __must_check input_register_device(struct input_dev *); 1285 void input_unregister_device(struct input_dev *); 1286 1287 int __must_check input_register_handler(struct input_handler *); 1288 void input_unregister_handler(struct input_handler *); 1289 1290 int input_register_handle(struct input_handle *); 1291 void input_unregister_handle(struct input_handle *); 1292 1293 int input_grab_device(struct input_handle *); 1294 void input_release_device(struct input_handle *); 1295 1296 int input_open_device(struct input_handle *); 1297 void input_close_device(struct input_handle *); 1298 1299 int input_flush_device(struct input_handle* handle, struct file* file); 1300 1301 void input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value); 1302 void input_inject_event(struct input_handle *handle, unsigned int type, unsigned int code, int value); 1303 1304 static inline void input_report_key(struct input_dev *dev, unsigned int code, int value) 1305 { 1306 input_event(dev, EV_KEY, code, !!value); 1307 } 1308 1309 static inline void input_report_rel(struct input_dev *dev, unsigned int code, int value) 1310 { 1311 input_event(dev, EV_REL, code, value); 1312 } 1313 1314 static inline void input_report_abs(struct input_dev *dev, unsigned int code, int value) 1315 { 1316 input_event(dev, EV_ABS, code, value); 1317 } 1318 1319 static inline void input_report_ff_status(struct input_dev *dev, unsigned int code, int value) 1320 { 1321 input_event(dev, EV_FF_STATUS, code, value); 1322 } 1323 1324 static inline void input_report_switch(struct input_dev *dev, unsigned int code, int value) 1325 { 1326 input_event(dev, EV_SW, code, !!value); 1327 } 1328 1329 static inline void input_sync(struct input_dev *dev) 1330 { 1331 input_event(dev, EV_SYN, SYN_REPORT, 0); 1332 } 1333 1334 static inline void input_mt_sync(struct input_dev *dev) 1335 { 1336 input_event(dev, EV_SYN, SYN_MT_REPORT, 0); 1337 } 1338 1339 void input_set_capability(struct input_dev *dev, unsigned int type, unsigned int code); 1340 1341 static inline void input_set_abs_params(struct input_dev *dev, int axis, int min, int max, int fuzz, int flat) 1342 { 1343 dev->absmin[axis] = min; 1344 dev->absmax[axis] = max; 1345 dev->absfuzz[axis] = fuzz; 1346 dev->absflat[axis] = flat; 1347 1348 dev->absbit[BIT_WORD(axis)] |= BIT_MASK(axis); 1349 } 1350 1351 int input_get_keycode(struct input_dev *dev, int scancode, int *keycode); 1352 int input_set_keycode(struct input_dev *dev, int scancode, int keycode); 1353 1354 extern struct class input_class; 1355 1356 /** 1357 * struct ff_device - force-feedback part of an input device 1358 * @upload: Called to upload an new effect into device 1359 * @erase: Called to erase an effect from device 1360 * @playback: Called to request device to start playing specified effect 1361 * @set_gain: Called to set specified gain 1362 * @set_autocenter: Called to auto-center device 1363 * @destroy: called by input core when parent input device is being 1364 * destroyed 1365 * @private: driver-specific data, will be freed automatically 1366 * @ffbit: bitmap of force feedback capabilities truly supported by 1367 * device (not emulated like ones in input_dev->ffbit) 1368 * @mutex: mutex for serializing access to the device 1369 * @max_effects: maximum number of effects supported by device 1370 * @effects: pointer to an array of effects currently loaded into device 1371 * @effect_owners: array of effect owners; when file handle owning 1372 * an effect gets closed the effect is automatically erased 1373 * 1374 * Every force-feedback device must implement upload() and playback() 1375 * methods; erase() is optional. set_gain() and set_autocenter() need 1376 * only be implemented if driver sets up FF_GAIN and FF_AUTOCENTER 1377 * bits. 1378 */ 1379 struct ff_device { 1380 int (*upload)(struct input_dev *dev, struct ff_effect *effect, 1381 struct ff_effect *old); 1382 int (*erase)(struct input_dev *dev, int effect_id); 1383 1384 int (*playback)(struct input_dev *dev, int effect_id, int value); 1385 void (*set_gain)(struct input_dev *dev, u16 gain); 1386 void (*set_autocenter)(struct input_dev *dev, u16 magnitude); 1387 1388 void (*destroy)(struct ff_device *); 1389 1390 void *private; 1391 1392 unsigned long ffbit[BITS_TO_LONGS(FF_CNT)]; 1393 1394 struct mutex mutex; 1395 1396 int max_effects; 1397 struct ff_effect *effects; 1398 struct file *effect_owners[]; 1399 }; 1400 1401 int input_ff_create(struct input_dev *dev, int max_effects); 1402 void input_ff_destroy(struct input_dev *dev); 1403 1404 int input_ff_event(struct input_dev *dev, unsigned int type, unsigned int code, int value); 1405 1406 int input_ff_upload(struct input_dev *dev, struct ff_effect *effect, struct file *file); 1407 int input_ff_erase(struct input_dev *dev, int effect_id, struct file *file); 1408 1409 int input_ff_create_memless(struct input_dev *dev, void *data, 1410 int (*play_effect)(struct input_dev *, void *, struct ff_effect *)); 1411 1412 #endif 1413 #endif 1414