xref: /linux-6.15/include/linux/input.h (revision 06842415)
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 #include <linux/device.h>
16 #include <linux/mod_devicetable.h>
17 #else
18 #include <sys/time.h>
19 #include <sys/ioctl.h>
20 #include <asm/types.h>
21 #endif
22 
23 /*
24  * The event structure itself
25  */
26 
27 struct input_event {
28 	struct timeval time;
29 	__u16 type;
30 	__u16 code;
31 	__s32 value;
32 };
33 
34 /*
35  * Protocol version.
36  */
37 
38 #define EV_VERSION		0x010000
39 
40 /*
41  * IOCTLs (0x00 - 0x7f)
42  */
43 
44 struct input_id {
45 	__u16 bustype;
46 	__u16 vendor;
47 	__u16 product;
48 	__u16 version;
49 };
50 
51 struct input_absinfo {
52 	__s32 value;
53 	__s32 minimum;
54 	__s32 maximum;
55 	__s32 fuzz;
56 	__s32 flat;
57 };
58 
59 #define EVIOCGVERSION		_IOR('E', 0x01, int)			/* get driver version */
60 #define EVIOCGID		_IOR('E', 0x02, struct input_id)	/* get device ID */
61 #define EVIOCGKEYCODE		_IOR('E', 0x04, int[2])			/* get keycode */
62 #define EVIOCSKEYCODE		_IOW('E', 0x04, int[2])			/* set keycode */
63 
64 #define EVIOCGNAME(len)		_IOC(_IOC_READ, 'E', 0x06, len)		/* get device name */
65 #define EVIOCGPHYS(len)		_IOC(_IOC_READ, 'E', 0x07, len)		/* get physical location */
66 #define EVIOCGUNIQ(len)		_IOC(_IOC_READ, 'E', 0x08, len)		/* get unique identifier */
67 
68 #define EVIOCGKEY(len)		_IOC(_IOC_READ, 'E', 0x18, len)		/* get global keystate */
69 #define EVIOCGLED(len)		_IOC(_IOC_READ, 'E', 0x19, len)		/* get all LEDs */
70 #define EVIOCGSND(len)		_IOC(_IOC_READ, 'E', 0x1a, len)		/* get all sounds status */
71 #define EVIOCGSW(len)		_IOC(_IOC_READ, 'E', 0x1b, len)		/* get all switch states */
72 
73 #define EVIOCGBIT(ev,len)	_IOC(_IOC_READ, 'E', 0x20 + ev, len)	/* get event bits */
74 #define EVIOCGABS(abs)		_IOR('E', 0x40 + abs, struct input_absinfo)		/* get abs value/limits */
75 #define EVIOCSABS(abs)		_IOW('E', 0xc0 + abs, struct input_absinfo)		/* set abs value/limits */
76 
77 #define EVIOCSFF		_IOC(_IOC_WRITE, 'E', 0x80, sizeof(struct ff_effect))	/* send a force effect to a force feedback device */
78 #define EVIOCRMFF		_IOW('E', 0x81, int)			/* Erase a force effect */
79 #define EVIOCGEFFECTS		_IOR('E', 0x84, int)			/* Report number of effects playable at the same time */
80 
81 #define EVIOCGRAB		_IOW('E', 0x90, int)			/* Grab/Release device */
82 
83 /*
84  * Event types
85  */
86 
87 #define EV_SYN			0x00
88 #define EV_KEY			0x01
89 #define EV_REL			0x02
90 #define EV_ABS			0x03
91 #define EV_MSC			0x04
92 #define EV_SW			0x05
93 #define EV_LED			0x11
94 #define EV_SND			0x12
95 #define EV_REP			0x14
96 #define EV_FF			0x15
97 #define EV_PWR			0x16
98 #define EV_FF_STATUS		0x17
99 #define EV_MAX			0x1f
100 
101 /*
102  * Synchronization events.
103  */
104 
105 #define SYN_REPORT		0
106 #define SYN_CONFIG		1
107 
108 /*
109  * Keys and buttons
110  */
111 
112 #define KEY_RESERVED		0
113 #define KEY_ESC			1
114 #define KEY_1			2
115 #define KEY_2			3
116 #define KEY_3			4
117 #define KEY_4			5
118 #define KEY_5			6
119 #define KEY_6			7
120 #define KEY_7			8
121 #define KEY_8			9
122 #define KEY_9			10
123 #define KEY_0			11
124 #define KEY_MINUS		12
125 #define KEY_EQUAL		13
126 #define KEY_BACKSPACE		14
127 #define KEY_TAB			15
128 #define KEY_Q			16
129 #define KEY_W			17
130 #define KEY_E			18
131 #define KEY_R			19
132 #define KEY_T			20
133 #define KEY_Y			21
134 #define KEY_U			22
135 #define KEY_I			23
136 #define KEY_O			24
137 #define KEY_P			25
138 #define KEY_LEFTBRACE		26
139 #define KEY_RIGHTBRACE		27
140 #define KEY_ENTER		28
141 #define KEY_LEFTCTRL		29
142 #define KEY_A			30
143 #define KEY_S			31
144 #define KEY_D			32
145 #define KEY_F			33
146 #define KEY_G			34
147 #define KEY_H			35
148 #define KEY_J			36
149 #define KEY_K			37
150 #define KEY_L			38
151 #define KEY_SEMICOLON		39
152 #define KEY_APOSTROPHE		40
153 #define KEY_GRAVE		41
154 #define KEY_LEFTSHIFT		42
155 #define KEY_BACKSLASH		43
156 #define KEY_Z			44
157 #define KEY_X			45
158 #define KEY_C			46
159 #define KEY_V			47
160 #define KEY_B			48
161 #define KEY_N			49
162 #define KEY_M			50
163 #define KEY_COMMA		51
164 #define KEY_DOT			52
165 #define KEY_SLASH		53
166 #define KEY_RIGHTSHIFT		54
167 #define KEY_KPASTERISK		55
168 #define KEY_LEFTALT		56
169 #define KEY_SPACE		57
170 #define KEY_CAPSLOCK		58
171 #define KEY_F1			59
172 #define KEY_F2			60
173 #define KEY_F3			61
174 #define KEY_F4			62
175 #define KEY_F5			63
176 #define KEY_F6			64
177 #define KEY_F7			65
178 #define KEY_F8			66
179 #define KEY_F9			67
180 #define KEY_F10			68
181 #define KEY_NUMLOCK		69
182 #define KEY_SCROLLLOCK		70
183 #define KEY_KP7			71
184 #define KEY_KP8			72
185 #define KEY_KP9			73
186 #define KEY_KPMINUS		74
187 #define KEY_KP4			75
188 #define KEY_KP5			76
189 #define KEY_KP6			77
190 #define KEY_KPPLUS		78
191 #define KEY_KP1			79
192 #define KEY_KP2			80
193 #define KEY_KP3			81
194 #define KEY_KP0			82
195 #define KEY_KPDOT		83
196 
197 #define KEY_ZENKAKUHANKAKU	85
198 #define KEY_102ND		86
199 #define KEY_F11			87
200 #define KEY_F12			88
201 #define KEY_RO			89
202 #define KEY_KATAKANA		90
203 #define KEY_HIRAGANA		91
204 #define KEY_HENKAN		92
205 #define KEY_KATAKANAHIRAGANA	93
206 #define KEY_MUHENKAN		94
207 #define KEY_KPJPCOMMA		95
208 #define KEY_KPENTER		96
209 #define KEY_RIGHTCTRL		97
210 #define KEY_KPSLASH		98
211 #define KEY_SYSRQ		99
212 #define KEY_RIGHTALT		100
213 #define KEY_LINEFEED		101
214 #define KEY_HOME		102
215 #define KEY_UP			103
216 #define KEY_PAGEUP		104
217 #define KEY_LEFT		105
218 #define KEY_RIGHT		106
219 #define KEY_END			107
220 #define KEY_DOWN		108
221 #define KEY_PAGEDOWN		109
222 #define KEY_INSERT		110
223 #define KEY_DELETE		111
224 #define KEY_MACRO		112
225 #define KEY_MUTE		113
226 #define KEY_VOLUMEDOWN		114
227 #define KEY_VOLUMEUP		115
228 #define KEY_POWER		116
229 #define KEY_KPEQUAL		117
230 #define KEY_KPPLUSMINUS		118
231 #define KEY_PAUSE		119
232 
233 #define KEY_KPCOMMA		121
234 #define KEY_HANGUEL		122
235 #define KEY_HANJA		123
236 #define KEY_YEN			124
237 #define KEY_LEFTMETA		125
238 #define KEY_RIGHTMETA		126
239 #define KEY_COMPOSE		127
240 
241 #define KEY_STOP		128
242 #define KEY_AGAIN		129
243 #define KEY_PROPS		130
244 #define KEY_UNDO		131
245 #define KEY_FRONT		132
246 #define KEY_COPY		133
247 #define KEY_OPEN		134
248 #define KEY_PASTE		135
249 #define KEY_FIND		136
250 #define KEY_CUT			137
251 #define KEY_HELP		138
252 #define KEY_MENU		139
253 #define KEY_CALC		140
254 #define KEY_SETUP		141
255 #define KEY_SLEEP		142
256 #define KEY_WAKEUP		143
257 #define KEY_FILE		144
258 #define KEY_SENDFILE		145
259 #define KEY_DELETEFILE		146
260 #define KEY_XFER		147
261 #define KEY_PROG1		148
262 #define KEY_PROG2		149
263 #define KEY_WWW			150
264 #define KEY_MSDOS		151
265 #define KEY_COFFEE		152
266 #define KEY_DIRECTION		153
267 #define KEY_CYCLEWINDOWS	154
268 #define KEY_MAIL		155
269 #define KEY_BOOKMARKS		156
270 #define KEY_COMPUTER		157
271 #define KEY_BACK		158
272 #define KEY_FORWARD		159
273 #define KEY_CLOSECD		160
274 #define KEY_EJECTCD		161
275 #define KEY_EJECTCLOSECD	162
276 #define KEY_NEXTSONG		163
277 #define KEY_PLAYPAUSE		164
278 #define KEY_PREVIOUSSONG	165
279 #define KEY_STOPCD		166
280 #define KEY_RECORD		167
281 #define KEY_REWIND		168
282 #define KEY_PHONE		169
283 #define KEY_ISO			170
284 #define KEY_CONFIG		171
285 #define KEY_HOMEPAGE		172
286 #define KEY_REFRESH		173
287 #define KEY_EXIT		174
288 #define KEY_MOVE		175
289 #define KEY_EDIT		176
290 #define KEY_SCROLLUP		177
291 #define KEY_SCROLLDOWN		178
292 #define KEY_KPLEFTPAREN		179
293 #define KEY_KPRIGHTPAREN	180
294 #define KEY_NEW			181
295 #define KEY_REDO		182
296 
297 #define KEY_F13			183
298 #define KEY_F14			184
299 #define KEY_F15			185
300 #define KEY_F16			186
301 #define KEY_F17			187
302 #define KEY_F18			188
303 #define KEY_F19			189
304 #define KEY_F20			190
305 #define KEY_F21			191
306 #define KEY_F22			192
307 #define KEY_F23			193
308 #define KEY_F24			194
309 
310 #define KEY_PLAYCD		200
311 #define KEY_PAUSECD		201
312 #define KEY_PROG3		202
313 #define KEY_PROG4		203
314 #define KEY_SUSPEND		205
315 #define KEY_CLOSE		206
316 #define KEY_PLAY		207
317 #define KEY_FASTFORWARD		208
318 #define KEY_BASSBOOST		209
319 #define KEY_PRINT		210
320 #define KEY_HP			211
321 #define KEY_CAMERA		212
322 #define KEY_SOUND		213
323 #define KEY_QUESTION		214
324 #define KEY_EMAIL		215
325 #define KEY_CHAT		216
326 #define KEY_SEARCH		217
327 #define KEY_CONNECT		218
328 #define KEY_FINANCE		219
329 #define KEY_SPORT		220
330 #define KEY_SHOP		221
331 #define KEY_ALTERASE		222
332 #define KEY_CANCEL		223
333 #define KEY_BRIGHTNESSDOWN	224
334 #define KEY_BRIGHTNESSUP	225
335 #define KEY_MEDIA		226
336 
337 #define KEY_SWITCHVIDEOMODE	227
338 #define KEY_KBDILLUMTOGGLE	228
339 #define KEY_KBDILLUMDOWN	229
340 #define KEY_KBDILLUMUP		230
341 
342 #define KEY_SEND		231
343 #define KEY_REPLY		232
344 #define KEY_FORWARDMAIL		233
345 #define KEY_SAVE		234
346 #define KEY_DOCUMENTS		235
347 
348 #define KEY_UNKNOWN		240
349 
350 #define BTN_MISC		0x100
351 #define BTN_0			0x100
352 #define BTN_1			0x101
353 #define BTN_2			0x102
354 #define BTN_3			0x103
355 #define BTN_4			0x104
356 #define BTN_5			0x105
357 #define BTN_6			0x106
358 #define BTN_7			0x107
359 #define BTN_8			0x108
360 #define BTN_9			0x109
361 
362 #define BTN_MOUSE		0x110
363 #define BTN_LEFT		0x110
364 #define BTN_RIGHT		0x111
365 #define BTN_MIDDLE		0x112
366 #define BTN_SIDE		0x113
367 #define BTN_EXTRA		0x114
368 #define BTN_FORWARD		0x115
369 #define BTN_BACK		0x116
370 #define BTN_TASK		0x117
371 
372 #define BTN_JOYSTICK		0x120
373 #define BTN_TRIGGER		0x120
374 #define BTN_THUMB		0x121
375 #define BTN_THUMB2		0x122
376 #define BTN_TOP			0x123
377 #define BTN_TOP2		0x124
378 #define BTN_PINKIE		0x125
379 #define BTN_BASE		0x126
380 #define BTN_BASE2		0x127
381 #define BTN_BASE3		0x128
382 #define BTN_BASE4		0x129
383 #define BTN_BASE5		0x12a
384 #define BTN_BASE6		0x12b
385 #define BTN_DEAD		0x12f
386 
387 #define BTN_GAMEPAD		0x130
388 #define BTN_A			0x130
389 #define BTN_B			0x131
390 #define BTN_C			0x132
391 #define BTN_X			0x133
392 #define BTN_Y			0x134
393 #define BTN_Z			0x135
394 #define BTN_TL			0x136
395 #define BTN_TR			0x137
396 #define BTN_TL2			0x138
397 #define BTN_TR2			0x139
398 #define BTN_SELECT		0x13a
399 #define BTN_START		0x13b
400 #define BTN_MODE		0x13c
401 #define BTN_THUMBL		0x13d
402 #define BTN_THUMBR		0x13e
403 
404 #define BTN_DIGI		0x140
405 #define BTN_TOOL_PEN		0x140
406 #define BTN_TOOL_RUBBER		0x141
407 #define BTN_TOOL_BRUSH		0x142
408 #define BTN_TOOL_PENCIL		0x143
409 #define BTN_TOOL_AIRBRUSH	0x144
410 #define BTN_TOOL_FINGER		0x145
411 #define BTN_TOOL_MOUSE		0x146
412 #define BTN_TOOL_LENS		0x147
413 #define BTN_TOUCH		0x14a
414 #define BTN_STYLUS		0x14b
415 #define BTN_STYLUS2		0x14c
416 #define BTN_TOOL_DOUBLETAP	0x14d
417 #define BTN_TOOL_TRIPLETAP	0x14e
418 
419 #define BTN_WHEEL		0x150
420 #define BTN_GEAR_DOWN		0x150
421 #define BTN_GEAR_UP		0x151
422 
423 #define KEY_OK			0x160
424 #define KEY_SELECT 		0x161
425 #define KEY_GOTO		0x162
426 #define KEY_CLEAR		0x163
427 #define KEY_POWER2		0x164
428 #define KEY_OPTION		0x165
429 #define KEY_INFO		0x166
430 #define KEY_TIME		0x167
431 #define KEY_VENDOR		0x168
432 #define KEY_ARCHIVE		0x169
433 #define KEY_PROGRAM		0x16a
434 #define KEY_CHANNEL		0x16b
435 #define KEY_FAVORITES		0x16c
436 #define KEY_EPG			0x16d
437 #define KEY_PVR			0x16e
438 #define KEY_MHP			0x16f
439 #define KEY_LANGUAGE		0x170
440 #define KEY_TITLE		0x171
441 #define KEY_SUBTITLE		0x172
442 #define KEY_ANGLE		0x173
443 #define KEY_ZOOM		0x174
444 #define KEY_MODE		0x175
445 #define KEY_KEYBOARD		0x176
446 #define KEY_SCREEN		0x177
447 #define KEY_PC			0x178
448 #define KEY_TV			0x179
449 #define KEY_TV2			0x17a
450 #define KEY_VCR			0x17b
451 #define KEY_VCR2		0x17c
452 #define KEY_SAT			0x17d
453 #define KEY_SAT2		0x17e
454 #define KEY_CD			0x17f
455 #define KEY_TAPE		0x180
456 #define KEY_RADIO		0x181
457 #define KEY_TUNER		0x182
458 #define KEY_PLAYER		0x183
459 #define KEY_TEXT		0x184
460 #define KEY_DVD			0x185
461 #define KEY_AUX			0x186
462 #define KEY_MP3			0x187
463 #define KEY_AUDIO		0x188
464 #define KEY_VIDEO		0x189
465 #define KEY_DIRECTORY		0x18a
466 #define KEY_LIST		0x18b
467 #define KEY_MEMO		0x18c
468 #define KEY_CALENDAR		0x18d
469 #define KEY_RED			0x18e
470 #define KEY_GREEN		0x18f
471 #define KEY_YELLOW		0x190
472 #define KEY_BLUE		0x191
473 #define KEY_CHANNELUP		0x192
474 #define KEY_CHANNELDOWN		0x193
475 #define KEY_FIRST		0x194
476 #define KEY_LAST		0x195
477 #define KEY_AB			0x196
478 #define KEY_NEXT		0x197
479 #define KEY_RESTART		0x198
480 #define KEY_SLOW		0x199
481 #define KEY_SHUFFLE		0x19a
482 #define KEY_BREAK		0x19b
483 #define KEY_PREVIOUS		0x19c
484 #define KEY_DIGITS		0x19d
485 #define KEY_TEEN		0x19e
486 #define KEY_TWEN		0x19f
487 
488 #define KEY_DEL_EOL		0x1c0
489 #define KEY_DEL_EOS		0x1c1
490 #define KEY_INS_LINE		0x1c2
491 #define KEY_DEL_LINE		0x1c3
492 
493 #define KEY_FN			0x1d0
494 #define KEY_FN_ESC		0x1d1
495 #define KEY_FN_F1		0x1d2
496 #define KEY_FN_F2		0x1d3
497 #define KEY_FN_F3		0x1d4
498 #define KEY_FN_F4		0x1d5
499 #define KEY_FN_F5		0x1d6
500 #define KEY_FN_F6		0x1d7
501 #define KEY_FN_F7		0x1d8
502 #define KEY_FN_F8		0x1d9
503 #define KEY_FN_F9		0x1da
504 #define KEY_FN_F10		0x1db
505 #define KEY_FN_F11		0x1dc
506 #define KEY_FN_F12		0x1dd
507 #define KEY_FN_1		0x1de
508 #define KEY_FN_2		0x1df
509 #define KEY_FN_D		0x1e0
510 #define KEY_FN_E		0x1e1
511 #define KEY_FN_F		0x1e2
512 #define KEY_FN_S		0x1e3
513 #define KEY_FN_B		0x1e4
514 
515 /* We avoid low common keys in module aliases so they don't get huge. */
516 #define KEY_MIN_INTERESTING	KEY_MUTE
517 #define KEY_MAX			0x1ff
518 
519 /*
520  * Relative axes
521  */
522 
523 #define REL_X			0x00
524 #define REL_Y			0x01
525 #define REL_Z			0x02
526 #define REL_RX			0x03
527 #define REL_RY			0x04
528 #define REL_RZ			0x05
529 #define REL_HWHEEL		0x06
530 #define REL_DIAL		0x07
531 #define REL_WHEEL		0x08
532 #define REL_MISC		0x09
533 #define REL_MAX			0x0f
534 
535 /*
536  * Absolute axes
537  */
538 
539 #define ABS_X			0x00
540 #define ABS_Y			0x01
541 #define ABS_Z			0x02
542 #define ABS_RX			0x03
543 #define ABS_RY			0x04
544 #define ABS_RZ			0x05
545 #define ABS_THROTTLE		0x06
546 #define ABS_RUDDER		0x07
547 #define ABS_WHEEL		0x08
548 #define ABS_GAS			0x09
549 #define ABS_BRAKE		0x0a
550 #define ABS_HAT0X		0x10
551 #define ABS_HAT0Y		0x11
552 #define ABS_HAT1X		0x12
553 #define ABS_HAT1Y		0x13
554 #define ABS_HAT2X		0x14
555 #define ABS_HAT2Y		0x15
556 #define ABS_HAT3X		0x16
557 #define ABS_HAT3Y		0x17
558 #define ABS_PRESSURE		0x18
559 #define ABS_DISTANCE		0x19
560 #define ABS_TILT_X		0x1a
561 #define ABS_TILT_Y		0x1b
562 #define ABS_TOOL_WIDTH		0x1c
563 #define ABS_VOLUME		0x20
564 #define ABS_MISC		0x28
565 #define ABS_MAX			0x3f
566 
567 /*
568  * Switch events
569  */
570 
571 #define SW_0		0x00
572 #define SW_1		0x01
573 #define SW_2		0x02
574 #define SW_3		0x03
575 #define SW_4		0x04
576 #define SW_5		0x05
577 #define SW_6		0x06
578 #define SW_7		0x07
579 #define SW_MAX		0x0f
580 
581 /*
582  * Misc events
583  */
584 
585 #define MSC_SERIAL		0x00
586 #define MSC_PULSELED		0x01
587 #define MSC_GESTURE		0x02
588 #define MSC_RAW			0x03
589 #define MSC_SCAN		0x04
590 #define MSC_MAX			0x07
591 
592 /*
593  * LEDs
594  */
595 
596 #define LED_NUML		0x00
597 #define LED_CAPSL		0x01
598 #define LED_SCROLLL		0x02
599 #define LED_COMPOSE		0x03
600 #define LED_KANA		0x04
601 #define LED_SLEEP		0x05
602 #define LED_SUSPEND		0x06
603 #define LED_MUTE		0x07
604 #define LED_MISC		0x08
605 #define LED_MAIL		0x09
606 #define LED_CHARGING		0x0a
607 #define LED_MAX			0x0f
608 
609 /*
610  * Autorepeat values
611  */
612 
613 #define REP_DELAY		0x00
614 #define REP_PERIOD		0x01
615 #define REP_MAX			0x01
616 
617 /*
618  * Sounds
619  */
620 
621 #define SND_CLICK		0x00
622 #define SND_BELL		0x01
623 #define SND_TONE		0x02
624 #define SND_MAX			0x07
625 
626 /*
627  * IDs.
628  */
629 
630 #define ID_BUS			0
631 #define ID_VENDOR		1
632 #define ID_PRODUCT		2
633 #define ID_VERSION		3
634 
635 #define BUS_PCI			0x01
636 #define BUS_ISAPNP		0x02
637 #define BUS_USB			0x03
638 #define BUS_HIL			0x04
639 #define BUS_BLUETOOTH		0x05
640 
641 #define BUS_ISA			0x10
642 #define BUS_I8042		0x11
643 #define BUS_XTKBD		0x12
644 #define BUS_RS232		0x13
645 #define BUS_GAMEPORT		0x14
646 #define BUS_PARPORT		0x15
647 #define BUS_AMIGA		0x16
648 #define BUS_ADB			0x17
649 #define BUS_I2C			0x18
650 #define BUS_HOST		0x19
651 #define BUS_GSC			0x1A
652 
653 /*
654  * Values describing the status of an effect
655  */
656 #define FF_STATUS_STOPPED	0x00
657 #define FF_STATUS_PLAYING	0x01
658 #define FF_STATUS_MAX		0x01
659 
660 /*
661  * Structures used in ioctls to upload effects to a device
662  * The first structures are not passed directly by using ioctls.
663  * They are sub-structures of the actually sent structure (called ff_effect)
664  */
665 
666 struct ff_replay {
667 	__u16 length; /* Duration of an effect in ms. All other times are also expressed in ms */
668 	__u16 delay;  /* Time to wait before to start playing an effect */
669 };
670 
671 struct ff_trigger {
672 	__u16 button;   /* Number of button triggering an effect */
673 	__u16 interval; /* Time to wait before an effect can be re-triggered (ms) */
674 };
675 
676 struct ff_envelope {
677 	__u16 attack_length;	/* Duration of attack (ms) */
678 	__u16 attack_level;	/* Level at beginning of attack */
679 	__u16 fade_length;	/* Duration of fade (ms) */
680 	__u16 fade_level;	/* Level at end of fade */
681 };
682 
683 /* FF_CONSTANT */
684 struct ff_constant_effect {
685 	__s16 level;	    /* Strength of effect. Negative values are OK */
686 	struct ff_envelope envelope;
687 };
688 
689 /* FF_RAMP */
690 struct ff_ramp_effect {
691 	__s16 start_level;
692 	__s16 end_level;
693 	struct ff_envelope envelope;
694 };
695 
696 /* FF_SPRING of FF_FRICTION */
697 struct ff_condition_effect {
698 	__u16 right_saturation; /* Max level when joystick is on the right */
699 	__u16 left_saturation;  /* Max level when joystick in on the left */
700 
701 	__s16 right_coeff;	/* Indicates how fast the force grows when the
702 				   joystick moves to the right */
703 	__s16 left_coeff;	/* Same for left side */
704 
705 	__u16 deadband;	/* Size of area where no force is produced */
706 	__s16 center;	/* Position of dead zone */
707 
708 };
709 
710 /* FF_PERIODIC */
711 struct ff_periodic_effect {
712 	__u16 waveform;	/* Kind of wave (sine, square...) */
713 	__u16 period;	/* in ms */
714 	__s16 magnitude;	/* Peak value */
715 	__s16 offset;	/* Mean value of wave (roughly) */
716 	__u16 phase;		/* 'Horizontal' shift */
717 
718 	struct ff_envelope envelope;
719 
720 /* Only used if waveform == FF_CUSTOM */
721 	__u32 custom_len;	/* Number of samples */
722 	__s16 *custom_data;	/* Buffer of samples */
723 /* Note: the data pointed by custom_data is copied by the driver. You can
724  * therefore dispose of the memory after the upload/update */
725 };
726 
727 /* FF_RUMBLE */
728 /* Some rumble pads have two motors of different weight.
729    strong_magnitude represents the magnitude of the vibration generated
730    by the heavy motor.
731 */
732 struct ff_rumble_effect {
733 	__u16 strong_magnitude;  /* Magnitude of the heavy motor */
734 	__u16 weak_magnitude;    /* Magnitude of the light one */
735 };
736 
737 /*
738  * Structure sent through ioctl from the application to the driver
739  */
740 struct ff_effect {
741 	__u16 type;
742 /* Following field denotes the unique id assigned to an effect.
743  * If user sets if to -1, a new effect is created, and its id is returned in the same field
744  * Else, the user sets it to the effect id it wants to update.
745  */
746 	__s16 id;
747 
748 	__u16 direction;	/* Direction. 0 deg -> 0x0000 (down)
749 					     90 deg -> 0x4000 (left)
750 					    180 deg -> 0x8000 (up)
751 					    270 deg -> 0xC000 (right)
752 				*/
753 
754 	struct ff_trigger trigger;
755 	struct ff_replay replay;
756 
757 	union {
758 		struct ff_constant_effect constant;
759 		struct ff_ramp_effect ramp;
760 		struct ff_periodic_effect periodic;
761 		struct ff_condition_effect condition[2]; /* One for each axis */
762 		struct ff_rumble_effect rumble;
763 	} u;
764 };
765 
766 /*
767  * Force feedback effect types
768  */
769 
770 #define FF_RUMBLE	0x50
771 #define FF_PERIODIC	0x51
772 #define FF_CONSTANT	0x52
773 #define FF_SPRING	0x53
774 #define FF_FRICTION	0x54
775 #define FF_DAMPER	0x55
776 #define FF_INERTIA	0x56
777 #define FF_RAMP		0x57
778 
779 /*
780  * Force feedback periodic effect types
781  */
782 
783 #define FF_SQUARE	0x58
784 #define FF_TRIANGLE	0x59
785 #define FF_SINE		0x5a
786 #define FF_SAW_UP	0x5b
787 #define FF_SAW_DOWN	0x5c
788 #define FF_CUSTOM	0x5d
789 
790 /*
791  * Set ff device properties
792  */
793 
794 #define FF_GAIN		0x60
795 #define FF_AUTOCENTER	0x61
796 
797 #define FF_MAX		0x7f
798 
799 struct input_device_id {
800 
801 	kernel_ulong_t flags;
802 
803 	struct input_id id;
804 
805 	kernel_ulong_t evbit[EV_MAX/BITS_PER_LONG+1];
806 	kernel_ulong_t keybit[KEY_MAX/BITS_PER_LONG+1];
807 	kernel_ulong_t relbit[REL_MAX/BITS_PER_LONG+1];
808 	kernel_ulong_t absbit[ABS_MAX/BITS_PER_LONG+1];
809 	kernel_ulong_t mscbit[MSC_MAX/BITS_PER_LONG+1];
810 	kernel_ulong_t ledbit[LED_MAX/BITS_PER_LONG+1];
811 	kernel_ulong_t sndbit[SND_MAX/BITS_PER_LONG+1];
812 	kernel_ulong_t ffbit[FF_MAX/BITS_PER_LONG+1];
813 	kernel_ulong_t swbit[SW_MAX/BITS_PER_LONG+1];
814 
815 	kernel_ulong_t driver_info;
816 };
817 
818 /*
819  * Structure for hotplug & device<->driver matching.
820  */
821 
822 #define INPUT_DEVICE_ID_MATCH_BUS	1
823 #define INPUT_DEVICE_ID_MATCH_VENDOR	2
824 #define INPUT_DEVICE_ID_MATCH_PRODUCT	4
825 #define INPUT_DEVICE_ID_MATCH_VERSION	8
826 
827 #define INPUT_DEVICE_ID_MATCH_EVBIT	0x010
828 #define INPUT_DEVICE_ID_MATCH_KEYBIT	0x020
829 #define INPUT_DEVICE_ID_MATCH_RELBIT	0x040
830 #define INPUT_DEVICE_ID_MATCH_ABSBIT	0x080
831 #define INPUT_DEVICE_ID_MATCH_MSCIT	0x100
832 #define INPUT_DEVICE_ID_MATCH_LEDBIT	0x200
833 #define INPUT_DEVICE_ID_MATCH_SNDBIT	0x400
834 #define INPUT_DEVICE_ID_MATCH_FFBIT	0x800
835 #define INPUT_DEVICE_ID_MATCH_SWBIT	0x1000
836 
837 #ifdef __KERNEL__
838 
839 /*
840  * In-kernel definitions.
841  */
842 
843 #include <linux/fs.h>
844 #include <linux/timer.h>
845 
846 #define NBITS(x) (((x)/BITS_PER_LONG)+1)
847 #define BIT(x)	(1UL<<((x)%BITS_PER_LONG))
848 #define LONG(x) ((x)/BITS_PER_LONG)
849 
850 #define INPUT_KEYCODE(dev, scancode) ((dev->keycodesize == 1) ? ((u8*)dev->keycode)[scancode] : \
851 	((dev->keycodesize == 2) ? ((u16*)dev->keycode)[scancode] : (((u32*)dev->keycode)[scancode])))
852 
853 #define SET_INPUT_KEYCODE(dev, scancode, val)			\
854 		({	unsigned __old;				\
855 		switch (dev->keycodesize) {			\
856 			case 1: {				\
857 				u8 *k = (u8 *)dev->keycode;	\
858 				__old = k[scancode];		\
859 				k[scancode] = val;		\
860 				break;				\
861 			}					\
862 			case 2: {				\
863 				u16 *k = (u16 *)dev->keycode;	\
864 				__old = k[scancode];		\
865 				k[scancode] = val;		\
866 				break;				\
867 			}					\
868 			default: {				\
869 				u32 *k = (u32 *)dev->keycode;	\
870 				__old = k[scancode];		\
871 				k[scancode] = val;		\
872 				break;				\
873 			}					\
874 		}						\
875 		__old; })
876 
877 struct input_dev {
878 
879 	void *private;
880 
881 	const char *name;
882 	const char *phys;
883 	const char *uniq;
884 	struct input_id id;
885 
886 	unsigned long evbit[NBITS(EV_MAX)];
887 	unsigned long keybit[NBITS(KEY_MAX)];
888 	unsigned long relbit[NBITS(REL_MAX)];
889 	unsigned long absbit[NBITS(ABS_MAX)];
890 	unsigned long mscbit[NBITS(MSC_MAX)];
891 	unsigned long ledbit[NBITS(LED_MAX)];
892 	unsigned long sndbit[NBITS(SND_MAX)];
893 	unsigned long ffbit[NBITS(FF_MAX)];
894 	unsigned long swbit[NBITS(SW_MAX)];
895 	int ff_effects_max;
896 
897 	unsigned int keycodemax;
898 	unsigned int keycodesize;
899 	void *keycode;
900 
901 	unsigned int repeat_key;
902 	struct timer_list timer;
903 
904 	struct pt_regs *regs;
905 	int state;
906 
907 	int sync;
908 
909 	int abs[ABS_MAX + 1];
910 	int rep[REP_MAX + 1];
911 
912 	unsigned long key[NBITS(KEY_MAX)];
913 	unsigned long led[NBITS(LED_MAX)];
914 	unsigned long snd[NBITS(SND_MAX)];
915 	unsigned long sw[NBITS(SW_MAX)];
916 
917 	int absmax[ABS_MAX + 1];
918 	int absmin[ABS_MAX + 1];
919 	int absfuzz[ABS_MAX + 1];
920 	int absflat[ABS_MAX + 1];
921 
922 	int (*open)(struct input_dev *dev);
923 	void (*close)(struct input_dev *dev);
924 	int (*accept)(struct input_dev *dev, struct file *file);
925 	int (*flush)(struct input_dev *dev, struct file *file);
926 	int (*event)(struct input_dev *dev, unsigned int type, unsigned int code, int value);
927 	int (*upload_effect)(struct input_dev *dev, struct ff_effect *effect);
928 	int (*erase_effect)(struct input_dev *dev, int effect_id);
929 
930 	struct input_handle *grab;
931 
932 	struct semaphore sem;	/* serializes open and close operations */
933 	unsigned int users;
934 
935 	struct class_device cdev;
936 	struct device *dev;	/* will be removed soon */
937 
938 	int dynalloc;	/* temporarily */
939 
940 	struct list_head	h_list;
941 	struct list_head	node;
942 };
943 #define to_input_dev(d) container_of(d, struct input_dev, cdev)
944 
945 #define INPUT_DEVICE_ID_MATCH_DEVICE\
946 	(INPUT_DEVICE_ID_MATCH_BUS | INPUT_DEVICE_ID_MATCH_VENDOR | INPUT_DEVICE_ID_MATCH_PRODUCT)
947 #define INPUT_DEVICE_ID_MATCH_DEVICE_AND_VERSION\
948 	(INPUT_DEVICE_ID_MATCH_DEVICE | INPUT_DEVICE_ID_MATCH_VERSION)
949 
950 struct input_handle;
951 
952 struct input_handler {
953 
954 	void *private;
955 
956 	void (*event)(struct input_handle *handle, unsigned int type, unsigned int code, int value);
957 	struct input_handle* (*connect)(struct input_handler *handler, struct input_dev *dev, struct input_device_id *id);
958 	void (*disconnect)(struct input_handle *handle);
959 
960 	struct file_operations *fops;
961 	int minor;
962 	char *name;
963 
964 	struct input_device_id *id_table;
965 	struct input_device_id *blacklist;
966 
967 	struct list_head	h_list;
968 	struct list_head	node;
969 };
970 
971 struct input_handle {
972 
973 	void *private;
974 
975 	int open;
976 	char *name;
977 
978 	struct input_dev *dev;
979 	struct input_handler *handler;
980 
981 	struct list_head	d_node;
982 	struct list_head	h_node;
983 };
984 
985 #define to_dev(n) container_of(n,struct input_dev,node)
986 #define to_handler(n) container_of(n,struct input_handler,node);
987 #define to_handle(n) container_of(n,struct input_handle,d_node)
988 #define to_handle_h(n) container_of(n,struct input_handle,h_node)
989 
990 static inline void init_input_dev(struct input_dev *dev)
991 {
992 	INIT_LIST_HEAD(&dev->h_list);
993 	INIT_LIST_HEAD(&dev->node);
994 }
995 
996 struct input_dev *input_allocate_device(void);
997 
998 static inline void input_free_device(struct input_dev *dev)
999 {
1000 	kfree(dev);
1001 }
1002 
1003 static inline struct input_dev *input_get_device(struct input_dev *dev)
1004 {
1005 	return to_input_dev(class_device_get(&dev->cdev));
1006 }
1007 
1008 static inline void input_put_device(struct input_dev *dev)
1009 {
1010 	class_device_put(&dev->cdev);
1011 }
1012 
1013 int input_register_device(struct input_dev *);
1014 void input_unregister_device(struct input_dev *);
1015 
1016 void input_register_handler(struct input_handler *);
1017 void input_unregister_handler(struct input_handler *);
1018 
1019 int input_grab_device(struct input_handle *);
1020 void input_release_device(struct input_handle *);
1021 
1022 int input_open_device(struct input_handle *);
1023 void input_close_device(struct input_handle *);
1024 
1025 int input_accept_process(struct input_handle *handle, struct file *file);
1026 int input_flush_device(struct input_handle* handle, struct file* file);
1027 
1028 void input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value);
1029 
1030 static inline void input_report_key(struct input_dev *dev, unsigned int code, int value)
1031 {
1032 	input_event(dev, EV_KEY, code, !!value);
1033 }
1034 
1035 static inline void input_report_rel(struct input_dev *dev, unsigned int code, int value)
1036 {
1037 	input_event(dev, EV_REL, code, value);
1038 }
1039 
1040 static inline void input_report_abs(struct input_dev *dev, unsigned int code, int value)
1041 {
1042 	input_event(dev, EV_ABS, code, value);
1043 }
1044 
1045 static inline void input_report_ff(struct input_dev *dev, unsigned int code, int value)
1046 {
1047 	input_event(dev, EV_FF, code, value);
1048 }
1049 
1050 static inline void input_report_ff_status(struct input_dev *dev, unsigned int code, int value)
1051 {
1052 	input_event(dev, EV_FF_STATUS, code, value);
1053 }
1054 
1055 static inline void input_report_switch(struct input_dev *dev, unsigned int code, int value)
1056 {
1057 	input_event(dev, EV_SW, code, !!value);
1058 }
1059 
1060 static inline void input_regs(struct input_dev *dev, struct pt_regs *regs)
1061 {
1062 	dev->regs = regs;
1063 }
1064 
1065 static inline void input_sync(struct input_dev *dev)
1066 {
1067 	input_event(dev, EV_SYN, SYN_REPORT, 0);
1068 	dev->regs = NULL;
1069 }
1070 
1071 static inline void input_set_abs_params(struct input_dev *dev, int axis, int min, int max, int fuzz, int flat)
1072 {
1073 	dev->absmin[axis] = min;
1074 	dev->absmax[axis] = max;
1075 	dev->absfuzz[axis] = fuzz;
1076 	dev->absflat[axis] = flat;
1077 
1078 	dev->absbit[LONG(axis)] |= BIT(axis);
1079 }
1080 
1081 extern struct class input_class;
1082 
1083 #endif
1084 #endif
1085