kbuild: add headerdep used to detect inclusion cycles in header files
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / input.h
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 <asm/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
110 /*
111 * Keys and buttons
112 *
113 * Most of the keys/buttons are modeled after USB HUT 1.12
114 * (see http://www.usb.org/developers/hidpage).
115 * Abbreviations in the comments:
116 * AC - Application Control
117 * AL - Application Launch Button
118 * SC - System Control
119 */
120
121 #define KEY_RESERVED 0
122 #define KEY_ESC 1
123 #define KEY_1 2
124 #define KEY_2 3
125 #define KEY_3 4
126 #define KEY_4 5
127 #define KEY_5 6
128 #define KEY_6 7
129 #define KEY_7 8
130 #define KEY_8 9
131 #define KEY_9 10
132 #define KEY_0 11
133 #define KEY_MINUS 12
134 #define KEY_EQUAL 13
135 #define KEY_BACKSPACE 14
136 #define KEY_TAB 15
137 #define KEY_Q 16
138 #define KEY_W 17
139 #define KEY_E 18
140 #define KEY_R 19
141 #define KEY_T 20
142 #define KEY_Y 21
143 #define KEY_U 22
144 #define KEY_I 23
145 #define KEY_O 24
146 #define KEY_P 25
147 #define KEY_LEFTBRACE 26
148 #define KEY_RIGHTBRACE 27
149 #define KEY_ENTER 28
150 #define KEY_LEFTCTRL 29
151 #define KEY_A 30
152 #define KEY_S 31
153 #define KEY_D 32
154 #define KEY_F 33
155 #define KEY_G 34
156 #define KEY_H 35
157 #define KEY_J 36
158 #define KEY_K 37
159 #define KEY_L 38
160 #define KEY_SEMICOLON 39
161 #define KEY_APOSTROPHE 40
162 #define KEY_GRAVE 41
163 #define KEY_LEFTSHIFT 42
164 #define KEY_BACKSLASH 43
165 #define KEY_Z 44
166 #define KEY_X 45
167 #define KEY_C 46
168 #define KEY_V 47
169 #define KEY_B 48
170 #define KEY_N 49
171 #define KEY_M 50
172 #define KEY_COMMA 51
173 #define KEY_DOT 52
174 #define KEY_SLASH 53
175 #define KEY_RIGHTSHIFT 54
176 #define KEY_KPASTERISK 55
177 #define KEY_LEFTALT 56
178 #define KEY_SPACE 57
179 #define KEY_CAPSLOCK 58
180 #define KEY_F1 59
181 #define KEY_F2 60
182 #define KEY_F3 61
183 #define KEY_F4 62
184 #define KEY_F5 63
185 #define KEY_F6 64
186 #define KEY_F7 65
187 #define KEY_F8 66
188 #define KEY_F9 67
189 #define KEY_F10 68
190 #define KEY_NUMLOCK 69
191 #define KEY_SCROLLLOCK 70
192 #define KEY_KP7 71
193 #define KEY_KP8 72
194 #define KEY_KP9 73
195 #define KEY_KPMINUS 74
196 #define KEY_KP4 75
197 #define KEY_KP5 76
198 #define KEY_KP6 77
199 #define KEY_KPPLUS 78
200 #define KEY_KP1 79
201 #define KEY_KP2 80
202 #define KEY_KP3 81
203 #define KEY_KP0 82
204 #define KEY_KPDOT 83
205
206 #define KEY_ZENKAKUHANKAKU 85
207 #define KEY_102ND 86
208 #define KEY_F11 87
209 #define KEY_F12 88
210 #define KEY_RO 89
211 #define KEY_KATAKANA 90
212 #define KEY_HIRAGANA 91
213 #define KEY_HENKAN 92
214 #define KEY_KATAKANAHIRAGANA 93
215 #define KEY_MUHENKAN 94
216 #define KEY_KPJPCOMMA 95
217 #define KEY_KPENTER 96
218 #define KEY_RIGHTCTRL 97
219 #define KEY_KPSLASH 98
220 #define KEY_SYSRQ 99
221 #define KEY_RIGHTALT 100
222 #define KEY_LINEFEED 101
223 #define KEY_HOME 102
224 #define KEY_UP 103
225 #define KEY_PAGEUP 104
226 #define KEY_LEFT 105
227 #define KEY_RIGHT 106
228 #define KEY_END 107
229 #define KEY_DOWN 108
230 #define KEY_PAGEDOWN 109
231 #define KEY_INSERT 110
232 #define KEY_DELETE 111
233 #define KEY_MACRO 112
234 #define KEY_MUTE 113
235 #define KEY_VOLUMEDOWN 114
236 #define KEY_VOLUMEUP 115
237 #define KEY_POWER 116 /* SC System Power Down */
238 #define KEY_KPEQUAL 117
239 #define KEY_KPPLUSMINUS 118
240 #define KEY_PAUSE 119
241 #define KEY_SCALE 120 /* AL Compiz Scale (Expose) */
242
243 #define KEY_KPCOMMA 121
244 #define KEY_HANGEUL 122
245 #define KEY_HANGUEL KEY_HANGEUL
246 #define KEY_HANJA 123
247 #define KEY_YEN 124
248 #define KEY_LEFTMETA 125
249 #define KEY_RIGHTMETA 126
250 #define KEY_COMPOSE 127
251
252 #define KEY_STOP 128 /* AC Stop */
253 #define KEY_AGAIN 129
254 #define KEY_PROPS 130 /* AC Properties */
255 #define KEY_UNDO 131 /* AC Undo */
256 #define KEY_FRONT 132
257 #define KEY_COPY 133 /* AC Copy */
258 #define KEY_OPEN 134 /* AC Open */
259 #define KEY_PASTE 135 /* AC Paste */
260 #define KEY_FIND 136 /* AC Search */
261 #define KEY_CUT 137 /* AC Cut */
262 #define KEY_HELP 138 /* AL Integrated Help Center */
263 #define KEY_MENU 139 /* Menu (show menu) */
264 #define KEY_CALC 140 /* AL Calculator */
265 #define KEY_SETUP 141
266 #define KEY_SLEEP 142 /* SC System Sleep */
267 #define KEY_WAKEUP 143 /* System Wake Up */
268 #define KEY_FILE 144 /* AL Local Machine Browser */
269 #define KEY_SENDFILE 145
270 #define KEY_DELETEFILE 146
271 #define KEY_XFER 147
272 #define KEY_PROG1 148
273 #define KEY_PROG2 149
274 #define KEY_WWW 150 /* AL Internet Browser */
275 #define KEY_MSDOS 151
276 #define KEY_COFFEE 152 /* AL Terminal Lock/Screensaver */
277 #define KEY_SCREENLOCK KEY_COFFEE
278 #define KEY_DIRECTION 153
279 #define KEY_CYCLEWINDOWS 154
280 #define KEY_MAIL 155
281 #define KEY_BOOKMARKS 156 /* AC Bookmarks */
282 #define KEY_COMPUTER 157
283 #define KEY_BACK 158 /* AC Back */
284 #define KEY_FORWARD 159 /* AC Forward */
285 #define KEY_CLOSECD 160
286 #define KEY_EJECTCD 161
287 #define KEY_EJECTCLOSECD 162
288 #define KEY_NEXTSONG 163
289 #define KEY_PLAYPAUSE 164
290 #define KEY_PREVIOUSSONG 165
291 #define KEY_STOPCD 166
292 #define KEY_RECORD 167
293 #define KEY_REWIND 168
294 #define KEY_PHONE 169 /* Media Select Telephone */
295 #define KEY_ISO 170
296 #define KEY_CONFIG 171 /* AL Consumer Control Configuration */
297 #define KEY_HOMEPAGE 172 /* AC Home */
298 #define KEY_REFRESH 173 /* AC Refresh */
299 #define KEY_EXIT 174 /* AC Exit */
300 #define KEY_MOVE 175
301 #define KEY_EDIT 176
302 #define KEY_SCROLLUP 177
303 #define KEY_SCROLLDOWN 178
304 #define KEY_KPLEFTPAREN 179
305 #define KEY_KPRIGHTPAREN 180
306 #define KEY_NEW 181 /* AC New */
307 #define KEY_REDO 182 /* AC Redo/Repeat */
308
309 #define KEY_F13 183
310 #define KEY_F14 184
311 #define KEY_F15 185
312 #define KEY_F16 186
313 #define KEY_F17 187
314 #define KEY_F18 188
315 #define KEY_F19 189
316 #define KEY_F20 190
317 #define KEY_F21 191
318 #define KEY_F22 192
319 #define KEY_F23 193
320 #define KEY_F24 194
321
322 #define KEY_PLAYCD 200
323 #define KEY_PAUSECD 201
324 #define KEY_PROG3 202
325 #define KEY_PROG4 203
326 #define KEY_DASHBOARD 204 /* AL Dashboard */
327 #define KEY_SUSPEND 205
328 #define KEY_CLOSE 206 /* AC Close */
329 #define KEY_PLAY 207
330 #define KEY_FASTFORWARD 208
331 #define KEY_BASSBOOST 209
332 #define KEY_PRINT 210 /* AC Print */
333 #define KEY_HP 211
334 #define KEY_CAMERA 212
335 #define KEY_SOUND 213
336 #define KEY_QUESTION 214
337 #define KEY_EMAIL 215
338 #define KEY_CHAT 216
339 #define KEY_SEARCH 217
340 #define KEY_CONNECT 218
341 #define KEY_FINANCE 219 /* AL Checkbook/Finance */
342 #define KEY_SPORT 220
343 #define KEY_SHOP 221
344 #define KEY_ALTERASE 222
345 #define KEY_CANCEL 223 /* AC Cancel */
346 #define KEY_BRIGHTNESSDOWN 224
347 #define KEY_BRIGHTNESSUP 225
348 #define KEY_MEDIA 226
349
350 #define KEY_SWITCHVIDEOMODE 227 /* Cycle between available video
351 outputs (Monitor/LCD/TV-out/etc) */
352 #define KEY_KBDILLUMTOGGLE 228
353 #define KEY_KBDILLUMDOWN 229
354 #define KEY_KBDILLUMUP 230
355
356 #define KEY_SEND 231 /* AC Send */
357 #define KEY_REPLY 232 /* AC Reply */
358 #define KEY_FORWARDMAIL 233 /* AC Forward Msg */
359 #define KEY_SAVE 234 /* AC Save */
360 #define KEY_DOCUMENTS 235
361
362 #define KEY_BATTERY 236
363
364 #define KEY_BLUETOOTH 237
365 #define KEY_WLAN 238
366 #define KEY_UWB 239
367
368 #define KEY_UNKNOWN 240
369
370 #define KEY_VIDEO_NEXT 241 /* drive next video source */
371 #define KEY_VIDEO_PREV 242 /* drive previous video source */
372 #define KEY_BRIGHTNESS_CYCLE 243 /* brightness up, after max is min */
373 #define KEY_BRIGHTNESS_ZERO 244 /* brightness off, use ambient */
374 #define KEY_DISPLAY_OFF 245 /* display device to off state */
375
376 #define KEY_WIMAX 246
377
378 /* Range 248 - 255 is reserved for special needs of AT keyboard driver */
379
380 #define BTN_MISC 0x100
381 #define BTN_0 0x100
382 #define BTN_1 0x101
383 #define BTN_2 0x102
384 #define BTN_3 0x103
385 #define BTN_4 0x104
386 #define BTN_5 0x105
387 #define BTN_6 0x106
388 #define BTN_7 0x107
389 #define BTN_8 0x108
390 #define BTN_9 0x109
391
392 #define BTN_MOUSE 0x110
393 #define BTN_LEFT 0x110
394 #define BTN_RIGHT 0x111
395 #define BTN_MIDDLE 0x112
396 #define BTN_SIDE 0x113
397 #define BTN_EXTRA 0x114
398 #define BTN_FORWARD 0x115
399 #define BTN_BACK 0x116
400 #define BTN_TASK 0x117
401
402 #define BTN_JOYSTICK 0x120
403 #define BTN_TRIGGER 0x120
404 #define BTN_THUMB 0x121
405 #define BTN_THUMB2 0x122
406 #define BTN_TOP 0x123
407 #define BTN_TOP2 0x124
408 #define BTN_PINKIE 0x125
409 #define BTN_BASE 0x126
410 #define BTN_BASE2 0x127
411 #define BTN_BASE3 0x128
412 #define BTN_BASE4 0x129
413 #define BTN_BASE5 0x12a
414 #define BTN_BASE6 0x12b
415 #define BTN_DEAD 0x12f
416
417 #define BTN_GAMEPAD 0x130
418 #define BTN_A 0x130
419 #define BTN_B 0x131
420 #define BTN_C 0x132
421 #define BTN_X 0x133
422 #define BTN_Y 0x134
423 #define BTN_Z 0x135
424 #define BTN_TL 0x136
425 #define BTN_TR 0x137
426 #define BTN_TL2 0x138
427 #define BTN_TR2 0x139
428 #define BTN_SELECT 0x13a
429 #define BTN_START 0x13b
430 #define BTN_MODE 0x13c
431 #define BTN_THUMBL 0x13d
432 #define BTN_THUMBR 0x13e
433
434 #define BTN_DIGI 0x140
435 #define BTN_TOOL_PEN 0x140
436 #define BTN_TOOL_RUBBER 0x141
437 #define BTN_TOOL_BRUSH 0x142
438 #define BTN_TOOL_PENCIL 0x143
439 #define BTN_TOOL_AIRBRUSH 0x144
440 #define BTN_TOOL_FINGER 0x145
441 #define BTN_TOOL_MOUSE 0x146
442 #define BTN_TOOL_LENS 0x147
443 #define BTN_TOUCH 0x14a
444 #define BTN_STYLUS 0x14b
445 #define BTN_STYLUS2 0x14c
446 #define BTN_TOOL_DOUBLETAP 0x14d
447 #define BTN_TOOL_TRIPLETAP 0x14e
448
449 #define BTN_WHEEL 0x150
450 #define BTN_GEAR_DOWN 0x150
451 #define BTN_GEAR_UP 0x151
452
453 #define KEY_OK 0x160
454 #define KEY_SELECT 0x161
455 #define KEY_GOTO 0x162
456 #define KEY_CLEAR 0x163
457 #define KEY_POWER2 0x164
458 #define KEY_OPTION 0x165
459 #define KEY_INFO 0x166 /* AL OEM Features/Tips/Tutorial */
460 #define KEY_TIME 0x167
461 #define KEY_VENDOR 0x168
462 #define KEY_ARCHIVE 0x169
463 #define KEY_PROGRAM 0x16a /* Media Select Program Guide */
464 #define KEY_CHANNEL 0x16b
465 #define KEY_FAVORITES 0x16c
466 #define KEY_EPG 0x16d
467 #define KEY_PVR 0x16e /* Media Select Home */
468 #define KEY_MHP 0x16f
469 #define KEY_LANGUAGE 0x170
470 #define KEY_TITLE 0x171
471 #define KEY_SUBTITLE 0x172
472 #define KEY_ANGLE 0x173
473 #define KEY_ZOOM 0x174
474 #define KEY_MODE 0x175
475 #define KEY_KEYBOARD 0x176
476 #define KEY_SCREEN 0x177
477 #define KEY_PC 0x178 /* Media Select Computer */
478 #define KEY_TV 0x179 /* Media Select TV */
479 #define KEY_TV2 0x17a /* Media Select Cable */
480 #define KEY_VCR 0x17b /* Media Select VCR */
481 #define KEY_VCR2 0x17c /* VCR Plus */
482 #define KEY_SAT 0x17d /* Media Select Satellite */
483 #define KEY_SAT2 0x17e
484 #define KEY_CD 0x17f /* Media Select CD */
485 #define KEY_TAPE 0x180 /* Media Select Tape */
486 #define KEY_RADIO 0x181
487 #define KEY_TUNER 0x182 /* Media Select Tuner */
488 #define KEY_PLAYER 0x183
489 #define KEY_TEXT 0x184
490 #define KEY_DVD 0x185 /* Media Select DVD */
491 #define KEY_AUX 0x186
492 #define KEY_MP3 0x187
493 #define KEY_AUDIO 0x188
494 #define KEY_VIDEO 0x189
495 #define KEY_DIRECTORY 0x18a
496 #define KEY_LIST 0x18b
497 #define KEY_MEMO 0x18c /* Media Select Messages */
498 #define KEY_CALENDAR 0x18d
499 #define KEY_RED 0x18e
500 #define KEY_GREEN 0x18f
501 #define KEY_YELLOW 0x190
502 #define KEY_BLUE 0x191
503 #define KEY_CHANNELUP 0x192 /* Channel Increment */
504 #define KEY_CHANNELDOWN 0x193 /* Channel Decrement */
505 #define KEY_FIRST 0x194
506 #define KEY_LAST 0x195 /* Recall Last */
507 #define KEY_AB 0x196
508 #define KEY_NEXT 0x197
509 #define KEY_RESTART 0x198
510 #define KEY_SLOW 0x199
511 #define KEY_SHUFFLE 0x19a
512 #define KEY_BREAK 0x19b
513 #define KEY_PREVIOUS 0x19c
514 #define KEY_DIGITS 0x19d
515 #define KEY_TEEN 0x19e
516 #define KEY_TWEN 0x19f
517 #define KEY_VIDEOPHONE 0x1a0 /* Media Select Video Phone */
518 #define KEY_GAMES 0x1a1 /* Media Select Games */
519 #define KEY_ZOOMIN 0x1a2 /* AC Zoom In */
520 #define KEY_ZOOMOUT 0x1a3 /* AC Zoom Out */
521 #define KEY_ZOOMRESET 0x1a4 /* AC Zoom */
522 #define KEY_WORDPROCESSOR 0x1a5 /* AL Word Processor */
523 #define KEY_EDITOR 0x1a6 /* AL Text Editor */
524 #define KEY_SPREADSHEET 0x1a7 /* AL Spreadsheet */
525 #define KEY_GRAPHICSEDITOR 0x1a8 /* AL Graphics Editor */
526 #define KEY_PRESENTATION 0x1a9 /* AL Presentation App */
527 #define KEY_DATABASE 0x1aa /* AL Database App */
528 #define KEY_NEWS 0x1ab /* AL Newsreader */
529 #define KEY_VOICEMAIL 0x1ac /* AL Voicemail */
530 #define KEY_ADDRESSBOOK 0x1ad /* AL Contacts/Address Book */
531 #define KEY_MESSENGER 0x1ae /* AL Instant Messaging */
532 #define KEY_DISPLAYTOGGLE 0x1af /* Turn display (LCD) on and off */
533 #define KEY_SPELLCHECK 0x1b0 /* AL Spell Check */
534 #define KEY_LOGOFF 0x1b1 /* AL Logoff */
535
536 #define KEY_DOLLAR 0x1b2
537 #define KEY_EURO 0x1b3
538
539 #define KEY_FRAMEBACK 0x1b4 /* Consumer - transport controls */
540 #define KEY_FRAMEFORWARD 0x1b5
541 #define KEY_CONTEXT_MENU 0x1b6 /* GenDesc - system context menu */
542 #define KEY_MEDIA_REPEAT 0x1b7 /* Consumer - transport control */
543
544 #define KEY_DEL_EOL 0x1c0
545 #define KEY_DEL_EOS 0x1c1
546 #define KEY_INS_LINE 0x1c2
547 #define KEY_DEL_LINE 0x1c3
548
549 #define KEY_FN 0x1d0
550 #define KEY_FN_ESC 0x1d1
551 #define KEY_FN_F1 0x1d2
552 #define KEY_FN_F2 0x1d3
553 #define KEY_FN_F3 0x1d4
554 #define KEY_FN_F4 0x1d5
555 #define KEY_FN_F5 0x1d6
556 #define KEY_FN_F6 0x1d7
557 #define KEY_FN_F7 0x1d8
558 #define KEY_FN_F8 0x1d9
559 #define KEY_FN_F9 0x1da
560 #define KEY_FN_F10 0x1db
561 #define KEY_FN_F11 0x1dc
562 #define KEY_FN_F12 0x1dd
563 #define KEY_FN_1 0x1de
564 #define KEY_FN_2 0x1df
565 #define KEY_FN_D 0x1e0
566 #define KEY_FN_E 0x1e1
567 #define KEY_FN_F 0x1e2
568 #define KEY_FN_S 0x1e3
569 #define KEY_FN_B 0x1e4
570
571 #define KEY_BRL_DOT1 0x1f1
572 #define KEY_BRL_DOT2 0x1f2
573 #define KEY_BRL_DOT3 0x1f3
574 #define KEY_BRL_DOT4 0x1f4
575 #define KEY_BRL_DOT5 0x1f5
576 #define KEY_BRL_DOT6 0x1f6
577 #define KEY_BRL_DOT7 0x1f7
578 #define KEY_BRL_DOT8 0x1f8
579 #define KEY_BRL_DOT9 0x1f9
580 #define KEY_BRL_DOT10 0x1fa
581
582 #define KEY_NUMERIC_0 0x200 /* used by phones, remote controls, */
583 #define KEY_NUMERIC_1 0x201 /* and other keypads */
584 #define KEY_NUMERIC_2 0x202
585 #define KEY_NUMERIC_3 0x203
586 #define KEY_NUMERIC_4 0x204
587 #define KEY_NUMERIC_5 0x205
588 #define KEY_NUMERIC_6 0x206
589 #define KEY_NUMERIC_7 0x207
590 #define KEY_NUMERIC_8 0x208
591 #define KEY_NUMERIC_9 0x209
592 #define KEY_NUMERIC_STAR 0x20a
593 #define KEY_NUMERIC_POUND 0x20b
594
595 /* We avoid low common keys in module aliases so they don't get huge. */
596 #define KEY_MIN_INTERESTING KEY_MUTE
597 #define KEY_MAX 0x2ff
598 #define KEY_CNT (KEY_MAX+1)
599
600 /*
601 * Relative axes
602 */
603
604 #define REL_X 0x00
605 #define REL_Y 0x01
606 #define REL_Z 0x02
607 #define REL_RX 0x03
608 #define REL_RY 0x04
609 #define REL_RZ 0x05
610 #define REL_HWHEEL 0x06
611 #define REL_DIAL 0x07
612 #define REL_WHEEL 0x08
613 #define REL_MISC 0x09
614 #define REL_MAX 0x0f
615 #define REL_CNT (REL_MAX+1)
616
617 /*
618 * Absolute axes
619 */
620
621 #define ABS_X 0x00
622 #define ABS_Y 0x01
623 #define ABS_Z 0x02
624 #define ABS_RX 0x03
625 #define ABS_RY 0x04
626 #define ABS_RZ 0x05
627 #define ABS_THROTTLE 0x06
628 #define ABS_RUDDER 0x07
629 #define ABS_WHEEL 0x08
630 #define ABS_GAS 0x09
631 #define ABS_BRAKE 0x0a
632 #define ABS_HAT0X 0x10
633 #define ABS_HAT0Y 0x11
634 #define ABS_HAT1X 0x12
635 #define ABS_HAT1Y 0x13
636 #define ABS_HAT2X 0x14
637 #define ABS_HAT2Y 0x15
638 #define ABS_HAT3X 0x16
639 #define ABS_HAT3Y 0x17
640 #define ABS_PRESSURE 0x18
641 #define ABS_DISTANCE 0x19
642 #define ABS_TILT_X 0x1a
643 #define ABS_TILT_Y 0x1b
644 #define ABS_TOOL_WIDTH 0x1c
645 #define ABS_VOLUME 0x20
646 #define ABS_MISC 0x28
647 #define ABS_MAX 0x3f
648 #define ABS_CNT (ABS_MAX+1)
649
650 /*
651 * Switch events
652 */
653
654 #define SW_LID 0x00 /* set = lid shut */
655 #define SW_TABLET_MODE 0x01 /* set = tablet mode */
656 #define SW_HEADPHONE_INSERT 0x02 /* set = inserted */
657 #define SW_RFKILL_ALL 0x03 /* rfkill master switch, type "any"
658 set = radio enabled */
659 #define SW_RADIO SW_RFKILL_ALL /* deprecated */
660 #define SW_MICROPHONE_INSERT 0x04 /* set = inserted */
661 #define SW_DOCK 0x05 /* set = plugged into dock */
662 #define SW_MAX 0x0f
663 #define SW_CNT (SW_MAX+1)
664
665 /*
666 * Misc events
667 */
668
669 #define MSC_SERIAL 0x00
670 #define MSC_PULSELED 0x01
671 #define MSC_GESTURE 0x02
672 #define MSC_RAW 0x03
673 #define MSC_SCAN 0x04
674 #define MSC_MAX 0x07
675 #define MSC_CNT (MSC_MAX+1)
676
677 /*
678 * LEDs
679 */
680
681 #define LED_NUML 0x00
682 #define LED_CAPSL 0x01
683 #define LED_SCROLLL 0x02
684 #define LED_COMPOSE 0x03
685 #define LED_KANA 0x04
686 #define LED_SLEEP 0x05
687 #define LED_SUSPEND 0x06
688 #define LED_MUTE 0x07
689 #define LED_MISC 0x08
690 #define LED_MAIL 0x09
691 #define LED_CHARGING 0x0a
692 #define LED_MAX 0x0f
693 #define LED_CNT (LED_MAX+1)
694
695 /*
696 * Autorepeat values
697 */
698
699 #define REP_DELAY 0x00
700 #define REP_PERIOD 0x01
701 #define REP_MAX 0x01
702
703 /*
704 * Sounds
705 */
706
707 #define SND_CLICK 0x00
708 #define SND_BELL 0x01
709 #define SND_TONE 0x02
710 #define SND_MAX 0x07
711 #define SND_CNT (SND_MAX+1)
712
713 /*
714 * IDs.
715 */
716
717 #define ID_BUS 0
718 #define ID_VENDOR 1
719 #define ID_PRODUCT 2
720 #define ID_VERSION 3
721
722 #define BUS_PCI 0x01
723 #define BUS_ISAPNP 0x02
724 #define BUS_USB 0x03
725 #define BUS_HIL 0x04
726 #define BUS_BLUETOOTH 0x05
727 #define BUS_VIRTUAL 0x06
728
729 #define BUS_ISA 0x10
730 #define BUS_I8042 0x11
731 #define BUS_XTKBD 0x12
732 #define BUS_RS232 0x13
733 #define BUS_GAMEPORT 0x14
734 #define BUS_PARPORT 0x15
735 #define BUS_AMIGA 0x16
736 #define BUS_ADB 0x17
737 #define BUS_I2C 0x18
738 #define BUS_HOST 0x19
739 #define BUS_GSC 0x1A
740 #define BUS_ATARI 0x1B
741
742 /*
743 * Values describing the status of a force-feedback effect
744 */
745 #define FF_STATUS_STOPPED 0x00
746 #define FF_STATUS_PLAYING 0x01
747 #define FF_STATUS_MAX 0x01
748
749 /*
750 * Structures used in ioctls to upload effects to a device
751 * They are pieces of a bigger structure (called ff_effect)
752 */
753
754 /*
755 * All duration values are expressed in ms. Values above 32767 ms (0x7fff)
756 * should not be used and have unspecified results.
757 */
758
759 /**
760 * struct ff_replay - defines scheduling of the force-feedback effect
761 * @length: duration of the effect
762 * @delay: delay before effect should start playing
763 */
764 struct ff_replay {
765 __u16 length;
766 __u16 delay;
767 };
768
769 /**
770 * struct ff_trigger - defines what triggers the force-feedback effect
771 * @button: number of the button triggering the effect
772 * @interval: controls how soon the effect can be re-triggered
773 */
774 struct ff_trigger {
775 __u16 button;
776 __u16 interval;
777 };
778
779 /**
780 * struct ff_envelope - generic force-feedback effect envelope
781 * @attack_length: duration of the attack (ms)
782 * @attack_level: level at the beginning of the attack
783 * @fade_length: duration of fade (ms)
784 * @fade_level: level at the end of fade
785 *
786 * The @attack_level and @fade_level are absolute values; when applying
787 * envelope force-feedback core will convert to positive/negative
788 * value based on polarity of the default level of the effect.
789 * Valid range for the attack and fade levels is 0x0000 - 0x7fff
790 */
791 struct ff_envelope {
792 __u16 attack_length;
793 __u16 attack_level;
794 __u16 fade_length;
795 __u16 fade_level;
796 };
797
798 /**
799 * struct ff_constant_effect - defines parameters of a constant force-feedback effect
800 * @level: strength of the effect; may be negative
801 * @envelope: envelope data
802 */
803 struct ff_constant_effect {
804 __s16 level;
805 struct ff_envelope envelope;
806 };
807
808 /**
809 * struct ff_ramp_effect - defines parameters of a ramp force-feedback effect
810 * @start_level: beginning strength of the effect; may be negative
811 * @end_level: final strength of the effect; may be negative
812 * @envelope: envelope data
813 */
814 struct ff_ramp_effect {
815 __s16 start_level;
816 __s16 end_level;
817 struct ff_envelope envelope;
818 };
819
820 /**
821 * struct ff_condition_effect - defines a spring or friction force-feedback effect
822 * @right_saturation: maximum level when joystick moved all way to the right
823 * @left_saturation: same for the left side
824 * @right_coeff: controls how fast the force grows when the joystick moves
825 * to the right
826 * @left_coeff: same for the left side
827 * @deadband: size of the dead zone, where no force is produced
828 * @center: position of the dead zone
829 */
830 struct ff_condition_effect {
831 __u16 right_saturation;
832 __u16 left_saturation;
833
834 __s16 right_coeff;
835 __s16 left_coeff;
836
837 __u16 deadband;
838 __s16 center;
839 };
840
841 /**
842 * struct ff_periodic_effect - defines parameters of a periodic force-feedback effect
843 * @waveform: kind of the effect (wave)
844 * @period: period of the wave (ms)
845 * @magnitude: peak value
846 * @offset: mean value of the wave (roughly)
847 * @phase: 'horizontal' shift
848 * @envelope: envelope data
849 * @custom_len: number of samples (FF_CUSTOM only)
850 * @custom_data: buffer of samples (FF_CUSTOM only)
851 *
852 * Known waveforms - FF_SQUARE, FF_TRIANGLE, FF_SINE, FF_SAW_UP,
853 * FF_SAW_DOWN, FF_CUSTOM. The exact syntax FF_CUSTOM is undefined
854 * for the time being as no driver supports it yet.
855 *
856 * Note: the data pointed by custom_data is copied by the driver.
857 * You can therefore dispose of the memory after the upload/update.
858 */
859 struct ff_periodic_effect {
860 __u16 waveform;
861 __u16 period;
862 __s16 magnitude;
863 __s16 offset;
864 __u16 phase;
865
866 struct ff_envelope envelope;
867
868 __u32 custom_len;
869 __s16 *custom_data;
870 };
871
872 /**
873 * struct ff_rumble_effect - defines parameters of a periodic force-feedback effect
874 * @strong_magnitude: magnitude of the heavy motor
875 * @weak_magnitude: magnitude of the light one
876 *
877 * Some rumble pads have two motors of different weight. Strong_magnitude
878 * represents the magnitude of the vibration generated by the heavy one.
879 */
880 struct ff_rumble_effect {
881 __u16 strong_magnitude;
882 __u16 weak_magnitude;
883 };
884
885 /**
886 * struct ff_effect - defines force feedback effect
887 * @type: type of the effect (FF_CONSTANT, FF_PERIODIC, FF_RAMP, FF_SPRING,
888 * FF_FRICTION, FF_DAMPER, FF_RUMBLE, FF_INERTIA, or FF_CUSTOM)
889 * @id: an unique id assigned to an effect
890 * @direction: direction of the effect
891 * @trigger: trigger conditions (struct ff_trigger)
892 * @replay: scheduling of the effect (struct ff_replay)
893 * @u: effect-specific structure (one of ff_constant_effect, ff_ramp_effect,
894 * ff_periodic_effect, ff_condition_effect, ff_rumble_effect) further
895 * defining effect parameters
896 *
897 * This structure is sent through ioctl from the application to the driver.
898 * To create a new effect application should set its @id to -1; the kernel
899 * will return assigned @id which can later be used to update or delete
900 * this effect.
901 *
902 * Direction of the effect is encoded as follows:
903 * 0 deg -> 0x0000 (down)
904 * 90 deg -> 0x4000 (left)
905 * 180 deg -> 0x8000 (up)
906 * 270 deg -> 0xC000 (right)
907 */
908 struct ff_effect {
909 __u16 type;
910 __s16 id;
911 __u16 direction;
912 struct ff_trigger trigger;
913 struct ff_replay replay;
914
915 union {
916 struct ff_constant_effect constant;
917 struct ff_ramp_effect ramp;
918 struct ff_periodic_effect periodic;
919 struct ff_condition_effect condition[2]; /* One for each axis */
920 struct ff_rumble_effect rumble;
921 } u;
922 };
923
924 /*
925 * Force feedback effect types
926 */
927
928 #define FF_RUMBLE 0x50
929 #define FF_PERIODIC 0x51
930 #define FF_CONSTANT 0x52
931 #define FF_SPRING 0x53
932 #define FF_FRICTION 0x54
933 #define FF_DAMPER 0x55
934 #define FF_INERTIA 0x56
935 #define FF_RAMP 0x57
936
937 #define FF_EFFECT_MIN FF_RUMBLE
938 #define FF_EFFECT_MAX FF_RAMP
939
940 /*
941 * Force feedback periodic effect types
942 */
943
944 #define FF_SQUARE 0x58
945 #define FF_TRIANGLE 0x59
946 #define FF_SINE 0x5a
947 #define FF_SAW_UP 0x5b
948 #define FF_SAW_DOWN 0x5c
949 #define FF_CUSTOM 0x5d
950
951 #define FF_WAVEFORM_MIN FF_SQUARE
952 #define FF_WAVEFORM_MAX FF_CUSTOM
953
954 /*
955 * Set ff device properties
956 */
957
958 #define FF_GAIN 0x60
959 #define FF_AUTOCENTER 0x61
960
961 #define FF_MAX 0x7f
962 #define FF_CNT (FF_MAX+1)
963
964 #ifdef __KERNEL__
965
966 /*
967 * In-kernel definitions.
968 */
969
970 #include <linux/device.h>
971 #include <linux/fs.h>
972 #include <linux/timer.h>
973 #include <linux/mod_devicetable.h>
974
975 /**
976 * struct input_dev - represents an input device
977 * @name: name of the device
978 * @phys: physical path to the device in the system hierarchy
979 * @uniq: unique identification code for the device (if device has it)
980 * @id: id of the device (struct input_id)
981 * @evbit: bitmap of types of events supported by the device (EV_KEY,
982 * EV_REL, etc.)
983 * @keybit: bitmap of keys/buttons this device has
984 * @relbit: bitmap of relative axes for the device
985 * @absbit: bitmap of absolute axes for the device
986 * @mscbit: bitmap of miscellaneous events supported by the device
987 * @ledbit: bitmap of leds present on the device
988 * @sndbit: bitmap of sound effects supported by the device
989 * @ffbit: bitmap of force feedback effects supported by the device
990 * @swbit: bitmap of switches present on the device
991 * @keycodemax: size of keycode table
992 * @keycodesize: size of elements in keycode table
993 * @keycode: map of scancodes to keycodes for this device
994 * @setkeycode: optional method to alter current keymap, used to implement
995 * sparse keymaps. If not supplied default mechanism will be used
996 * @getkeycode: optional method to retrieve current keymap. If not supplied
997 * default mechanism will be used
998 * @ff: force feedback structure associated with the device if device
999 * supports force feedback effects
1000 * @repeat_key: stores key code of the last key pressed; used to implement
1001 * software autorepeat
1002 * @timer: timer for software autorepeat
1003 * @sync: set to 1 when there were no new events since last EV_SYNC
1004 * @abs: current values for reports from absolute axes
1005 * @rep: current values for autorepeat parameters (delay, rate)
1006 * @key: reflects current state of device's keys/buttons
1007 * @led: reflects current state of device's LEDs
1008 * @snd: reflects current state of sound effects
1009 * @sw: reflects current state of device's switches
1010 * @absmax: maximum values for events coming from absolute axes
1011 * @absmin: minimum values for events coming from absolute axes
1012 * @absfuzz: describes noisiness for axes
1013 * @absflat: size of the center flat position (used by joydev)
1014 * @open: this method is called when the very first user calls
1015 * input_open_device(). The driver must prepare the device
1016 * to start generating events (start polling thread,
1017 * request an IRQ, submit URB, etc.)
1018 * @close: this method is called when the very last user calls
1019 * input_close_device().
1020 * @flush: purges the device. Most commonly used to get rid of force
1021 * feedback effects loaded into the device when disconnecting
1022 * from it
1023 * @event: event handler for events sent _to_ the device, like EV_LED
1024 * or EV_SND. The device is expected to carry out the requested
1025 * action (turn on a LED, play sound, etc.) The call is protected
1026 * by @event_lock and must not sleep
1027 * @grab: input handle that currently has the device grabbed (via
1028 * EVIOCGRAB ioctl). When a handle grabs a device it becomes sole
1029 * recipient for all input events coming from the device
1030 * @event_lock: this spinlock is is taken when input core receives
1031 * and processes a new event for the device (in input_event()).
1032 * Code that accesses and/or modifies parameters of a device
1033 * (such as keymap or absmin, absmax, absfuzz, etc.) after device
1034 * has been registered with input core must take this lock.
1035 * @mutex: serializes calls to open(), close() and flush() methods
1036 * @users: stores number of users (input handlers) that opened this
1037 * device. It is used by input_open_device() and input_close_device()
1038 * to make sure that dev->open() is only called when the first
1039 * user opens device and dev->close() is called when the very
1040 * last user closes the device
1041 * @going_away: marks devices that are in a middle of unregistering and
1042 * causes input_open_device*() fail with -ENODEV.
1043 * @dev: driver model's view of this device
1044 * @h_list: list of input handles associated with the device. When
1045 * accessing the list dev->mutex must be held
1046 * @node: used to place the device onto input_dev_list
1047 */
1048 struct input_dev {
1049 const char *name;
1050 const char *phys;
1051 const char *uniq;
1052 struct input_id id;
1053
1054 unsigned long evbit[BITS_TO_LONGS(EV_CNT)];
1055 unsigned long keybit[BITS_TO_LONGS(KEY_CNT)];
1056 unsigned long relbit[BITS_TO_LONGS(REL_CNT)];
1057 unsigned long absbit[BITS_TO_LONGS(ABS_CNT)];
1058 unsigned long mscbit[BITS_TO_LONGS(MSC_CNT)];
1059 unsigned long ledbit[BITS_TO_LONGS(LED_CNT)];
1060 unsigned long sndbit[BITS_TO_LONGS(SND_CNT)];
1061 unsigned long ffbit[BITS_TO_LONGS(FF_CNT)];
1062 unsigned long swbit[BITS_TO_LONGS(SW_CNT)];
1063
1064 unsigned int keycodemax;
1065 unsigned int keycodesize;
1066 void *keycode;
1067 int (*setkeycode)(struct input_dev *dev, int scancode, int keycode);
1068 int (*getkeycode)(struct input_dev *dev, int scancode, int *keycode);
1069
1070 struct ff_device *ff;
1071
1072 unsigned int repeat_key;
1073 struct timer_list timer;
1074
1075 int sync;
1076
1077 int abs[ABS_MAX + 1];
1078 int rep[REP_MAX + 1];
1079
1080 unsigned long key[BITS_TO_LONGS(KEY_CNT)];
1081 unsigned long led[BITS_TO_LONGS(LED_CNT)];
1082 unsigned long snd[BITS_TO_LONGS(SND_CNT)];
1083 unsigned long sw[BITS_TO_LONGS(SW_CNT)];
1084
1085 int absmax[ABS_MAX + 1];
1086 int absmin[ABS_MAX + 1];
1087 int absfuzz[ABS_MAX + 1];
1088 int absflat[ABS_MAX + 1];
1089
1090 int (*open)(struct input_dev *dev);
1091 void (*close)(struct input_dev *dev);
1092 int (*flush)(struct input_dev *dev, struct file *file);
1093 int (*event)(struct input_dev *dev, unsigned int type, unsigned int code, int value);
1094
1095 struct input_handle *grab;
1096
1097 spinlock_t event_lock;
1098 struct mutex mutex;
1099
1100 unsigned int users;
1101 int going_away;
1102
1103 struct device dev;
1104
1105 struct list_head h_list;
1106 struct list_head node;
1107 };
1108 #define to_input_dev(d) container_of(d, struct input_dev, dev)
1109
1110 /*
1111 * Verify that we are in sync with input_device_id mod_devicetable.h #defines
1112 */
1113
1114 #if EV_MAX != INPUT_DEVICE_ID_EV_MAX
1115 #error "EV_MAX and INPUT_DEVICE_ID_EV_MAX do not match"
1116 #endif
1117
1118 #if KEY_MIN_INTERESTING != INPUT_DEVICE_ID_KEY_MIN_INTERESTING
1119 #error "KEY_MIN_INTERESTING and INPUT_DEVICE_ID_KEY_MIN_INTERESTING do not match"
1120 #endif
1121
1122 #if KEY_MAX != INPUT_DEVICE_ID_KEY_MAX
1123 #error "KEY_MAX and INPUT_DEVICE_ID_KEY_MAX do not match"
1124 #endif
1125
1126 #if REL_MAX != INPUT_DEVICE_ID_REL_MAX
1127 #error "REL_MAX and INPUT_DEVICE_ID_REL_MAX do not match"
1128 #endif
1129
1130 #if ABS_MAX != INPUT_DEVICE_ID_ABS_MAX
1131 #error "ABS_MAX and INPUT_DEVICE_ID_ABS_MAX do not match"
1132 #endif
1133
1134 #if MSC_MAX != INPUT_DEVICE_ID_MSC_MAX
1135 #error "MSC_MAX and INPUT_DEVICE_ID_MSC_MAX do not match"
1136 #endif
1137
1138 #if LED_MAX != INPUT_DEVICE_ID_LED_MAX
1139 #error "LED_MAX and INPUT_DEVICE_ID_LED_MAX do not match"
1140 #endif
1141
1142 #if SND_MAX != INPUT_DEVICE_ID_SND_MAX
1143 #error "SND_MAX and INPUT_DEVICE_ID_SND_MAX do not match"
1144 #endif
1145
1146 #if FF_MAX != INPUT_DEVICE_ID_FF_MAX
1147 #error "FF_MAX and INPUT_DEVICE_ID_FF_MAX do not match"
1148 #endif
1149
1150 #if SW_MAX != INPUT_DEVICE_ID_SW_MAX
1151 #error "SW_MAX and INPUT_DEVICE_ID_SW_MAX do not match"
1152 #endif
1153
1154 #define INPUT_DEVICE_ID_MATCH_DEVICE \
1155 (INPUT_DEVICE_ID_MATCH_BUS | INPUT_DEVICE_ID_MATCH_VENDOR | INPUT_DEVICE_ID_MATCH_PRODUCT)
1156 #define INPUT_DEVICE_ID_MATCH_DEVICE_AND_VERSION \
1157 (INPUT_DEVICE_ID_MATCH_DEVICE | INPUT_DEVICE_ID_MATCH_VERSION)
1158
1159 struct input_handle;
1160
1161 /**
1162 * struct input_handler - implements one of interfaces for input devices
1163 * @private: driver-specific data
1164 * @event: event handler. This method is being called by input core with
1165 * interrupts disabled and dev->event_lock spinlock held and so
1166 * it may not sleep
1167 * @connect: called when attaching a handler to an input device
1168 * @disconnect: disconnects a handler from input device
1169 * @start: starts handler for given handle. This function is called by
1170 * input core right after connect() method and also when a process
1171 * that "grabbed" a device releases it
1172 * @fops: file operations this driver implements
1173 * @minor: beginning of range of 32 minors for devices this driver
1174 * can provide
1175 * @name: name of the handler, to be shown in /proc/bus/input/handlers
1176 * @id_table: pointer to a table of input_device_ids this driver can
1177 * handle
1178 * @blacklist: pointer to a table of input_device_ids this driver should
1179 * ignore even if they match @id_table
1180 * @h_list: list of input handles associated with the handler
1181 * @node: for placing the driver onto input_handler_list
1182 *
1183 * Input handlers attach to input devices and create input handles. There
1184 * are likely several handlers attached to any given input device at the
1185 * same time. All of them will get their copy of input event generated by
1186 * the device.
1187 *
1188 * Note that input core serializes calls to connect() and disconnect()
1189 * methods.
1190 */
1191 struct input_handler {
1192
1193 void *private;
1194
1195 void (*event)(struct input_handle *handle, unsigned int type, unsigned int code, int value);
1196 int (*connect)(struct input_handler *handler, struct input_dev *dev, const struct input_device_id *id);
1197 void (*disconnect)(struct input_handle *handle);
1198 void (*start)(struct input_handle *handle);
1199
1200 const struct file_operations *fops;
1201 int minor;
1202 const char *name;
1203
1204 const struct input_device_id *id_table;
1205 const struct input_device_id *blacklist;
1206
1207 struct list_head h_list;
1208 struct list_head node;
1209 };
1210
1211 /**
1212 * struct input_handle - links input device with an input handler
1213 * @private: handler-specific data
1214 * @open: counter showing whether the handle is 'open', i.e. should deliver
1215 * events from its device
1216 * @name: name given to the handle by handler that created it
1217 * @dev: input device the handle is attached to
1218 * @handler: handler that works with the device through this handle
1219 * @d_node: used to put the handle on device's list of attached handles
1220 * @h_node: used to put the handle on handler's list of handles from which
1221 * it gets events
1222 */
1223 struct input_handle {
1224
1225 void *private;
1226
1227 int open;
1228 const char *name;
1229
1230 struct input_dev *dev;
1231 struct input_handler *handler;
1232
1233 struct list_head d_node;
1234 struct list_head h_node;
1235 };
1236
1237 struct input_dev *input_allocate_device(void);
1238 void input_free_device(struct input_dev *dev);
1239
1240 static inline struct input_dev *input_get_device(struct input_dev *dev)
1241 {
1242 return dev ? to_input_dev(get_device(&dev->dev)) : NULL;
1243 }
1244
1245 static inline void input_put_device(struct input_dev *dev)
1246 {
1247 if (dev)
1248 put_device(&dev->dev);
1249 }
1250
1251 static inline void *input_get_drvdata(struct input_dev *dev)
1252 {
1253 return dev_get_drvdata(&dev->dev);
1254 }
1255
1256 static inline void input_set_drvdata(struct input_dev *dev, void *data)
1257 {
1258 dev_set_drvdata(&dev->dev, data);
1259 }
1260
1261 int __must_check input_register_device(struct input_dev *);
1262 void input_unregister_device(struct input_dev *);
1263
1264 int __must_check input_register_handler(struct input_handler *);
1265 void input_unregister_handler(struct input_handler *);
1266
1267 int input_register_handle(struct input_handle *);
1268 void input_unregister_handle(struct input_handle *);
1269
1270 int input_grab_device(struct input_handle *);
1271 void input_release_device(struct input_handle *);
1272
1273 int input_open_device(struct input_handle *);
1274 void input_close_device(struct input_handle *);
1275
1276 int input_flush_device(struct input_handle* handle, struct file* file);
1277
1278 void input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value);
1279 void input_inject_event(struct input_handle *handle, unsigned int type, unsigned int code, int value);
1280
1281 static inline void input_report_key(struct input_dev *dev, unsigned int code, int value)
1282 {
1283 input_event(dev, EV_KEY, code, !!value);
1284 }
1285
1286 static inline void input_report_rel(struct input_dev *dev, unsigned int code, int value)
1287 {
1288 input_event(dev, EV_REL, code, value);
1289 }
1290
1291 static inline void input_report_abs(struct input_dev *dev, unsigned int code, int value)
1292 {
1293 input_event(dev, EV_ABS, code, value);
1294 }
1295
1296 static inline void input_report_ff_status(struct input_dev *dev, unsigned int code, int value)
1297 {
1298 input_event(dev, EV_FF_STATUS, code, value);
1299 }
1300
1301 static inline void input_report_switch(struct input_dev *dev, unsigned int code, int value)
1302 {
1303 input_event(dev, EV_SW, code, !!value);
1304 }
1305
1306 static inline void input_sync(struct input_dev *dev)
1307 {
1308 input_event(dev, EV_SYN, SYN_REPORT, 0);
1309 }
1310
1311 void input_set_capability(struct input_dev *dev, unsigned int type, unsigned int code);
1312
1313 static inline void input_set_abs_params(struct input_dev *dev, int axis, int min, int max, int fuzz, int flat)
1314 {
1315 dev->absmin[axis] = min;
1316 dev->absmax[axis] = max;
1317 dev->absfuzz[axis] = fuzz;
1318 dev->absflat[axis] = flat;
1319
1320 dev->absbit[BIT_WORD(axis)] |= BIT_MASK(axis);
1321 }
1322
1323 int input_get_keycode(struct input_dev *dev, int scancode, int *keycode);
1324 int input_set_keycode(struct input_dev *dev, int scancode, int keycode);
1325
1326 extern struct class input_class;
1327
1328 /**
1329 * struct ff_device - force-feedback part of an input device
1330 * @upload: Called to upload an new effect into device
1331 * @erase: Called to erase an effect from device
1332 * @playback: Called to request device to start playing specified effect
1333 * @set_gain: Called to set specified gain
1334 * @set_autocenter: Called to auto-center device
1335 * @destroy: called by input core when parent input device is being
1336 * destroyed
1337 * @private: driver-specific data, will be freed automatically
1338 * @ffbit: bitmap of force feedback capabilities truly supported by
1339 * device (not emulated like ones in input_dev->ffbit)
1340 * @mutex: mutex for serializing access to the device
1341 * @max_effects: maximum number of effects supported by device
1342 * @effects: pointer to an array of effects currently loaded into device
1343 * @effect_owners: array of effect owners; when file handle owning
1344 * an effect gets closed the effect is automatically erased
1345 *
1346 * Every force-feedback device must implement upload() and playback()
1347 * methods; erase() is optional. set_gain() and set_autocenter() need
1348 * only be implemented if driver sets up FF_GAIN and FF_AUTOCENTER
1349 * bits.
1350 */
1351 struct ff_device {
1352 int (*upload)(struct input_dev *dev, struct ff_effect *effect,
1353 struct ff_effect *old);
1354 int (*erase)(struct input_dev *dev, int effect_id);
1355
1356 int (*playback)(struct input_dev *dev, int effect_id, int value);
1357 void (*set_gain)(struct input_dev *dev, u16 gain);
1358 void (*set_autocenter)(struct input_dev *dev, u16 magnitude);
1359
1360 void (*destroy)(struct ff_device *);
1361
1362 void *private;
1363
1364 unsigned long ffbit[BITS_TO_LONGS(FF_CNT)];
1365
1366 struct mutex mutex;
1367
1368 int max_effects;
1369 struct ff_effect *effects;
1370 struct file *effect_owners[];
1371 };
1372
1373 int input_ff_create(struct input_dev *dev, int max_effects);
1374 void input_ff_destroy(struct input_dev *dev);
1375
1376 int input_ff_event(struct input_dev *dev, unsigned int type, unsigned int code, int value);
1377
1378 int input_ff_upload(struct input_dev *dev, struct ff_effect *effect, struct file *file);
1379 int input_ff_erase(struct input_dev *dev, int effect_id, struct file *file);
1380
1381 int input_ff_create_memless(struct input_dev *dev, void *data,
1382 int (*play_effect)(struct input_dev *, void *, struct ff_effect *));
1383
1384 #endif
1385 #endif