5 * Copyright (c) 1999-2002 Vojtech Pavlik
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.
13 #include <linux/time.h>
14 #include <linux/list.h>
17 #include <sys/ioctl.h>
18 #include <sys/types.h>
19 #include <asm/types.h>
23 * The event structure itself
37 #define EV_VERSION 0x010000
40 * IOCTLs (0x00 - 0x7f)
50 struct input_absinfo
{
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 */
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 */
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 */
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 */
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 */
82 #define EVIOCGRAB _IOW('E', 0x90, int) /* Grab/Release device */
99 #define EV_FF_STATUS 0x17
103 * Synchronization events.
112 * Most of the keys/buttons are modeled after USB HUT 1.12
113 * (see http://www.usb.org/developers/hidpage).
114 * Abbreviations in the comments:
115 * AC - Application Control
116 * AL - Application Launch Button
117 * SC - System Control
120 #define KEY_RESERVED 0
134 #define KEY_BACKSPACE 14
146 #define KEY_LEFTBRACE 26
147 #define KEY_RIGHTBRACE 27
149 #define KEY_LEFTCTRL 29
159 #define KEY_SEMICOLON 39
160 #define KEY_APOSTROPHE 40
162 #define KEY_LEFTSHIFT 42
163 #define KEY_BACKSLASH 43
174 #define KEY_RIGHTSHIFT 54
175 #define KEY_KPASTERISK 55
176 #define KEY_LEFTALT 56
178 #define KEY_CAPSLOCK 58
189 #define KEY_NUMLOCK 69
190 #define KEY_SCROLLLOCK 70
194 #define KEY_KPMINUS 74
198 #define KEY_KPPLUS 78
205 #define KEY_ZENKAKUHANKAKU 85
210 #define KEY_KATAKANA 90
211 #define KEY_HIRAGANA 91
212 #define KEY_HENKAN 92
213 #define KEY_KATAKANAHIRAGANA 93
214 #define KEY_MUHENKAN 94
215 #define KEY_KPJPCOMMA 95
216 #define KEY_KPENTER 96
217 #define KEY_RIGHTCTRL 97
218 #define KEY_KPSLASH 98
220 #define KEY_RIGHTALT 100
221 #define KEY_LINEFEED 101
224 #define KEY_PAGEUP 104
226 #define KEY_RIGHT 106
229 #define KEY_PAGEDOWN 109
230 #define KEY_INSERT 110
231 #define KEY_DELETE 111
232 #define KEY_MACRO 112
234 #define KEY_VOLUMEDOWN 114
235 #define KEY_VOLUMEUP 115
236 #define KEY_POWER 116 /* SC System Power Down */
237 #define KEY_KPEQUAL 117
238 #define KEY_KPPLUSMINUS 118
239 #define KEY_PAUSE 119
241 #define KEY_KPCOMMA 121
242 #define KEY_HANGEUL 122
243 #define KEY_HANGUEL KEY_HANGEUL
244 #define KEY_HANJA 123
246 #define KEY_LEFTMETA 125
247 #define KEY_RIGHTMETA 126
248 #define KEY_COMPOSE 127
250 #define KEY_STOP 128 /* AC Stop */
251 #define KEY_AGAIN 129
252 #define KEY_PROPS 130 /* AC Properties */
253 #define KEY_UNDO 131 /* AC Undo */
254 #define KEY_FRONT 132
255 #define KEY_COPY 133 /* AC Copy */
256 #define KEY_OPEN 134 /* AC Open */
257 #define KEY_PASTE 135 /* AC Paste */
258 #define KEY_FIND 136 /* AC Search */
259 #define KEY_CUT 137 /* AC Cut */
260 #define KEY_HELP 138 /* AL Integrated Help Center */
261 #define KEY_MENU 139 /* Menu (show menu) */
262 #define KEY_CALC 140 /* AL Calculator */
263 #define KEY_SETUP 141
264 #define KEY_SLEEP 142 /* SC System Sleep */
265 #define KEY_WAKEUP 143 /* System Wake Up */
266 #define KEY_FILE 144 /* AL Local Machine Browser */
267 #define KEY_SENDFILE 145
268 #define KEY_DELETEFILE 146
270 #define KEY_PROG1 148
271 #define KEY_PROG2 149
272 #define KEY_WWW 150 /* AL Internet Browser */
273 #define KEY_MSDOS 151
274 #define KEY_COFFEE 152 /* AL Terminal Lock/Screensaver */
275 #define KEY_SCREENLOCK KEY_COFFEE
276 #define KEY_DIRECTION 153
277 #define KEY_CYCLEWINDOWS 154
279 #define KEY_BOOKMARKS 156 /* AC Bookmarks */
280 #define KEY_COMPUTER 157
281 #define KEY_BACK 158 /* AC Back */
282 #define KEY_FORWARD 159 /* AC Forward */
283 #define KEY_CLOSECD 160
284 #define KEY_EJECTCD 161
285 #define KEY_EJECTCLOSECD 162
286 #define KEY_NEXTSONG 163
287 #define KEY_PLAYPAUSE 164
288 #define KEY_PREVIOUSSONG 165
289 #define KEY_STOPCD 166
290 #define KEY_RECORD 167
291 #define KEY_REWIND 168
292 #define KEY_PHONE 169 /* Media Select Telephone */
294 #define KEY_CONFIG 171 /* AL Consumer Control Configuration */
295 #define KEY_HOMEPAGE 172 /* AC Home */
296 #define KEY_REFRESH 173 /* AC Refresh */
297 #define KEY_EXIT 174 /* AC Exit */
300 #define KEY_SCROLLUP 177
301 #define KEY_SCROLLDOWN 178
302 #define KEY_KPLEFTPAREN 179
303 #define KEY_KPRIGHTPAREN 180
304 #define KEY_NEW 181 /* AC New */
305 #define KEY_REDO 182 /* AC Redo/Repeat */
320 #define KEY_PLAYCD 200
321 #define KEY_PAUSECD 201
322 #define KEY_PROG3 202
323 #define KEY_PROG4 203
324 #define KEY_SUSPEND 205
325 #define KEY_CLOSE 206 /* AC Close */
327 #define KEY_FASTFORWARD 208
328 #define KEY_BASSBOOST 209
329 #define KEY_PRINT 210 /* AC Print */
331 #define KEY_CAMERA 212
332 #define KEY_SOUND 213
333 #define KEY_QUESTION 214
334 #define KEY_EMAIL 215
336 #define KEY_SEARCH 217
337 #define KEY_CONNECT 218
338 #define KEY_FINANCE 219 /* AL Checkbook/Finance */
339 #define KEY_SPORT 220
341 #define KEY_ALTERASE 222
342 #define KEY_CANCEL 223 /* AC Cancel */
343 #define KEY_BRIGHTNESSDOWN 224
344 #define KEY_BRIGHTNESSUP 225
345 #define KEY_MEDIA 226
347 #define KEY_SWITCHVIDEOMODE 227
348 #define KEY_KBDILLUMTOGGLE 228
349 #define KEY_KBDILLUMDOWN 229
350 #define KEY_KBDILLUMUP 230
352 #define KEY_SEND 231 /* AC Send */
353 #define KEY_REPLY 232 /* AC Reply */
354 #define KEY_FORWARDMAIL 233 /* AC Forward Msg */
355 #define KEY_SAVE 234 /* AC Save */
356 #define KEY_DOCUMENTS 235
358 #define KEY_BATTERY 236
360 #define KEY_BLUETOOTH 237
363 #define KEY_UNKNOWN 240
365 #define BTN_MISC 0x100
377 #define BTN_MOUSE 0x110
378 #define BTN_LEFT 0x110
379 #define BTN_RIGHT 0x111
380 #define BTN_MIDDLE 0x112
381 #define BTN_SIDE 0x113
382 #define BTN_EXTRA 0x114
383 #define BTN_FORWARD 0x115
384 #define BTN_BACK 0x116
385 #define BTN_TASK 0x117
387 #define BTN_JOYSTICK 0x120
388 #define BTN_TRIGGER 0x120
389 #define BTN_THUMB 0x121
390 #define BTN_THUMB2 0x122
391 #define BTN_TOP 0x123
392 #define BTN_TOP2 0x124
393 #define BTN_PINKIE 0x125
394 #define BTN_BASE 0x126
395 #define BTN_BASE2 0x127
396 #define BTN_BASE3 0x128
397 #define BTN_BASE4 0x129
398 #define BTN_BASE5 0x12a
399 #define BTN_BASE6 0x12b
400 #define BTN_DEAD 0x12f
402 #define BTN_GAMEPAD 0x130
411 #define BTN_TL2 0x138
412 #define BTN_TR2 0x139
413 #define BTN_SELECT 0x13a
414 #define BTN_START 0x13b
415 #define BTN_MODE 0x13c
416 #define BTN_THUMBL 0x13d
417 #define BTN_THUMBR 0x13e
419 #define BTN_DIGI 0x140
420 #define BTN_TOOL_PEN 0x140
421 #define BTN_TOOL_RUBBER 0x141
422 #define BTN_TOOL_BRUSH 0x142
423 #define BTN_TOOL_PENCIL 0x143
424 #define BTN_TOOL_AIRBRUSH 0x144
425 #define BTN_TOOL_FINGER 0x145
426 #define BTN_TOOL_MOUSE 0x146
427 #define BTN_TOOL_LENS 0x147
428 #define BTN_TOUCH 0x14a
429 #define BTN_STYLUS 0x14b
430 #define BTN_STYLUS2 0x14c
431 #define BTN_TOOL_DOUBLETAP 0x14d
432 #define BTN_TOOL_TRIPLETAP 0x14e
434 #define BTN_WHEEL 0x150
435 #define BTN_GEAR_DOWN 0x150
436 #define BTN_GEAR_UP 0x151
439 #define KEY_SELECT 0x161
440 #define KEY_GOTO 0x162
441 #define KEY_CLEAR 0x163
442 #define KEY_POWER2 0x164
443 #define KEY_OPTION 0x165
444 #define KEY_INFO 0x166 /* AL OEM Features/Tips/Tutorial */
445 #define KEY_TIME 0x167
446 #define KEY_VENDOR 0x168
447 #define KEY_ARCHIVE 0x169
448 #define KEY_PROGRAM 0x16a /* Media Select Program Guide */
449 #define KEY_CHANNEL 0x16b
450 #define KEY_FAVORITES 0x16c
451 #define KEY_EPG 0x16d
452 #define KEY_PVR 0x16e /* Media Select Home */
453 #define KEY_MHP 0x16f
454 #define KEY_LANGUAGE 0x170
455 #define KEY_TITLE 0x171
456 #define KEY_SUBTITLE 0x172
457 #define KEY_ANGLE 0x173
458 #define KEY_ZOOM 0x174
459 #define KEY_MODE 0x175
460 #define KEY_KEYBOARD 0x176
461 #define KEY_SCREEN 0x177
462 #define KEY_PC 0x178 /* Media Select Computer */
463 #define KEY_TV 0x179 /* Media Select TV */
464 #define KEY_TV2 0x17a /* Media Select Cable */
465 #define KEY_VCR 0x17b /* Media Select VCR */
466 #define KEY_VCR2 0x17c /* VCR Plus */
467 #define KEY_SAT 0x17d /* Media Select Satellite */
468 #define KEY_SAT2 0x17e
469 #define KEY_CD 0x17f /* Media Select CD */
470 #define KEY_TAPE 0x180 /* Media Select Tape */
471 #define KEY_RADIO 0x181
472 #define KEY_TUNER 0x182 /* Media Select Tuner */
473 #define KEY_PLAYER 0x183
474 #define KEY_TEXT 0x184
475 #define KEY_DVD 0x185 /* Media Select DVD */
476 #define KEY_AUX 0x186
477 #define KEY_MP3 0x187
478 #define KEY_AUDIO 0x188
479 #define KEY_VIDEO 0x189
480 #define KEY_DIRECTORY 0x18a
481 #define KEY_LIST 0x18b
482 #define KEY_MEMO 0x18c /* Media Select Messages */
483 #define KEY_CALENDAR 0x18d
484 #define KEY_RED 0x18e
485 #define KEY_GREEN 0x18f
486 #define KEY_YELLOW 0x190
487 #define KEY_BLUE 0x191
488 #define KEY_CHANNELUP 0x192 /* Channel Increment */
489 #define KEY_CHANNELDOWN 0x193 /* Channel Decrement */
490 #define KEY_FIRST 0x194
491 #define KEY_LAST 0x195 /* Recall Last */
493 #define KEY_NEXT 0x197
494 #define KEY_RESTART 0x198
495 #define KEY_SLOW 0x199
496 #define KEY_SHUFFLE 0x19a
497 #define KEY_BREAK 0x19b
498 #define KEY_PREVIOUS 0x19c
499 #define KEY_DIGITS 0x19d
500 #define KEY_TEEN 0x19e
501 #define KEY_TWEN 0x19f
502 #define KEY_VIDEOPHONE 0x1a0 /* Media Select Video Phone */
503 #define KEY_GAMES 0x1a1 /* Media Select Games */
504 #define KEY_ZOOMIN 0x1a2 /* AC Zoom In */
505 #define KEY_ZOOMOUT 0x1a3 /* AC Zoom Out */
506 #define KEY_ZOOMRESET 0x1a4 /* AC Zoom */
507 #define KEY_WORDPROCESSOR 0x1a5 /* AL Word Processor */
508 #define KEY_EDITOR 0x1a6 /* AL Text Editor */
509 #define KEY_SPREADSHEET 0x1a7 /* AL Spreadsheet */
510 #define KEY_GRAPHICSEDITOR 0x1a8 /* AL Graphics Editor */
511 #define KEY_PRESENTATION 0x1a9 /* AL Presentation App */
512 #define KEY_DATABASE 0x1aa /* AL Database App */
513 #define KEY_NEWS 0x1ab /* AL Newsreader */
514 #define KEY_VOICEMAIL 0x1ac /* AL Voicemail */
515 #define KEY_ADDRESSBOOK 0x1ad /* AL Contacts/Address Book */
516 #define KEY_MESSENGER 0x1ae /* AL Instant Messaging */
517 #define KEY_DISPLAYTOGGLE 0x1af /* Turn display (LCD) on and off */
519 #define KEY_DEL_EOL 0x1c0
520 #define KEY_DEL_EOS 0x1c1
521 #define KEY_INS_LINE 0x1c2
522 #define KEY_DEL_LINE 0x1c3
525 #define KEY_FN_ESC 0x1d1
526 #define KEY_FN_F1 0x1d2
527 #define KEY_FN_F2 0x1d3
528 #define KEY_FN_F3 0x1d4
529 #define KEY_FN_F4 0x1d5
530 #define KEY_FN_F5 0x1d6
531 #define KEY_FN_F6 0x1d7
532 #define KEY_FN_F7 0x1d8
533 #define KEY_FN_F8 0x1d9
534 #define KEY_FN_F9 0x1da
535 #define KEY_FN_F10 0x1db
536 #define KEY_FN_F11 0x1dc
537 #define KEY_FN_F12 0x1dd
538 #define KEY_FN_1 0x1de
539 #define KEY_FN_2 0x1df
540 #define KEY_FN_D 0x1e0
541 #define KEY_FN_E 0x1e1
542 #define KEY_FN_F 0x1e2
543 #define KEY_FN_S 0x1e3
544 #define KEY_FN_B 0x1e4
546 #define KEY_BRL_DOT1 0x1f1
547 #define KEY_BRL_DOT2 0x1f2
548 #define KEY_BRL_DOT3 0x1f3
549 #define KEY_BRL_DOT4 0x1f4
550 #define KEY_BRL_DOT5 0x1f5
551 #define KEY_BRL_DOT6 0x1f6
552 #define KEY_BRL_DOT7 0x1f7
553 #define KEY_BRL_DOT8 0x1f8
555 /* We avoid low common keys in module aliases so they don't get huge. */
556 #define KEY_MIN_INTERESTING KEY_MUTE
557 #define KEY_MAX 0x1ff
569 #define REL_HWHEEL 0x06
570 #define REL_DIAL 0x07
571 #define REL_WHEEL 0x08
572 #define REL_MISC 0x09
585 #define ABS_THROTTLE 0x06
586 #define ABS_RUDDER 0x07
587 #define ABS_WHEEL 0x08
589 #define ABS_BRAKE 0x0a
590 #define ABS_HAT0X 0x10
591 #define ABS_HAT0Y 0x11
592 #define ABS_HAT1X 0x12
593 #define ABS_HAT1Y 0x13
594 #define ABS_HAT2X 0x14
595 #define ABS_HAT2Y 0x15
596 #define ABS_HAT3X 0x16
597 #define ABS_HAT3Y 0x17
598 #define ABS_PRESSURE 0x18
599 #define ABS_DISTANCE 0x19
600 #define ABS_TILT_X 0x1a
601 #define ABS_TILT_Y 0x1b
602 #define ABS_TOOL_WIDTH 0x1c
603 #define ABS_VOLUME 0x20
604 #define ABS_MISC 0x28
611 #define SW_LID 0x00 /* set = lid shut */
612 #define SW_TABLET_MODE 0x01 /* set = tablet mode */
613 #define SW_HEADPHONE_INSERT 0x02 /* set = inserted */
614 #define SW_RADIO 0x03 /* set = radio enabled */
621 #define MSC_SERIAL 0x00
622 #define MSC_PULSELED 0x01
623 #define MSC_GESTURE 0x02
625 #define MSC_SCAN 0x04
632 #define LED_NUML 0x00
633 #define LED_CAPSL 0x01
634 #define LED_SCROLLL 0x02
635 #define LED_COMPOSE 0x03
636 #define LED_KANA 0x04
637 #define LED_SLEEP 0x05
638 #define LED_SUSPEND 0x06
639 #define LED_MUTE 0x07
640 #define LED_MISC 0x08
641 #define LED_MAIL 0x09
642 #define LED_CHARGING 0x0a
649 #define REP_DELAY 0x00
650 #define REP_PERIOD 0x01
657 #define SND_CLICK 0x00
658 #define SND_BELL 0x01
659 #define SND_TONE 0x02
672 #define BUS_ISAPNP 0x02
675 #define BUS_BLUETOOTH 0x05
676 #define BUS_VIRTUAL 0x06
679 #define BUS_I8042 0x11
680 #define BUS_XTKBD 0x12
681 #define BUS_RS232 0x13
682 #define BUS_GAMEPORT 0x14
683 #define BUS_PARPORT 0x15
684 #define BUS_AMIGA 0x16
687 #define BUS_HOST 0x19
689 #define BUS_ATARI 0x1B
692 * Values describing the status of a force-feedback effect
694 #define FF_STATUS_STOPPED 0x00
695 #define FF_STATUS_PLAYING 0x01
696 #define FF_STATUS_MAX 0x01
699 * Structures used in ioctls to upload effects to a device
700 * They are pieces of a bigger structure (called ff_effect)
704 * All duration values are expressed in ms. Values above 32767 ms (0x7fff)
705 * should not be used and have unspecified results.
709 * struct ff_replay - defines scheduling of the force-feedback effect
710 * @length: duration of the effect
711 * @delay: delay before effect should start playing
719 * struct ff_trigger - defines what triggers the force-feedback effect
720 * @button: number of the button triggering the effect
721 * @interval: controls how soon the effect can be re-triggered
729 * struct ff_envelope - generic force-feedback effect envelope
730 * @attack_length: duration of the attack (ms)
731 * @attack_level: level at the beginning of the attack
732 * @fade_length: duration of fade (ms)
733 * @fade_level: level at the end of fade
735 * The @attack_level and @fade_level are absolute values; when applying
736 * envelope force-feedback core will convert to positive/negative
737 * value based on polarity of the default level of the effect.
738 * Valid range for the attack and fade levels is 0x0000 - 0x7fff
748 * struct ff_constant_effect - defines parameters of a constant force-feedback effect
749 * @level: strength of the effect; may be negative
750 * @envelope: envelope data
752 struct ff_constant_effect
{
754 struct ff_envelope envelope
;
758 * struct ff_ramp_effect - defines parameters of a ramp force-feedback effect
759 * @start_level: beginning strength of the effect; may be negative
760 * @end_level: final strength of the effect; may be negative
761 * @envelope: envelope data
763 struct ff_ramp_effect
{
766 struct ff_envelope envelope
;
770 * struct ff_condition_effect - defines a spring or friction force-feedback effect
771 * @right_saturation: maximum level when joystick moved all way to the right
772 * @left_saturation: same for the left side
773 * @right_coeff: controls how fast the force grows when the joystick moves
775 * @left_coeff: same for the left side
776 * @deadband: size of the dead zone, where no force is produced
777 * @center: position of the dead zone
779 struct ff_condition_effect
{
780 __u16 right_saturation
;
781 __u16 left_saturation
;
791 * struct ff_periodic_effect - defines parameters of a periodic force-feedback effect
792 * @waveform: kind of the effect (wave)
793 * @period: period of the wave (ms)
794 * @magnitude: peak value
795 * @offset: mean value of the wave (roughly)
796 * @phase: 'horizontal' shift
797 * @envelope: envelope data
798 * @custom_len: number of samples (FF_CUSTOM only)
799 * @custom_data: buffer of samples (FF_CUSTOM only)
801 * Known waveforms - FF_SQUARE, FF_TRIANGLE, FF_SINE, FF_SAW_UP,
802 * FF_SAW_DOWN, FF_CUSTOM. The exact syntax FF_CUSTOM is undefined
803 * for the time being as no driver supports it yet.
805 * Note: the data pointed by custom_data is copied by the driver.
806 * You can therefore dispose of the memory after the upload/update.
808 struct ff_periodic_effect
{
815 struct ff_envelope envelope
;
822 * struct ff_rumble_effect - defines parameters of a periodic force-feedback effect
823 * @strong_magnitude: magnitude of the heavy motor
824 * @weak_magnitude: magnitude of the light one
826 * Some rumble pads have two motors of different weight. Strong_magnitude
827 * represents the magnitude of the vibration generated by the heavy one.
829 struct ff_rumble_effect
{
830 __u16 strong_magnitude
;
831 __u16 weak_magnitude
;
835 * struct ff_effect - defines force feedback effect
836 * @type: type of the effect (FF_CONSTANT, FF_PERIODIC, FF_RAMP, FF_SPRING,
837 * FF_FRICTION, FF_DAMPER, FF_RUMBLE, FF_INERTIA, or FF_CUSTOM)
838 * @id: an unique id assigned to an effect
839 * @direction: direction of the effect
840 * @trigger: trigger conditions (struct ff_trigger)
841 * @replay: scheduling of the effect (struct ff_replay)
842 * @u: effect-specific structure (one of ff_constant_effect, ff_ramp_effect,
843 * ff_periodic_effect, ff_condition_effect, ff_rumble_effect) further
844 * defining effect parameters
846 * This structure is sent through ioctl from the application to the driver.
847 * To create a new effect aplication should set its @id to -1; the kernel
848 * will return assigned @id which can later be used to update or delete
851 * Direction of the effect is encoded as follows:
852 * 0 deg -> 0x0000 (down)
853 * 90 deg -> 0x4000 (left)
854 * 180 deg -> 0x8000 (up)
855 * 270 deg -> 0xC000 (right)
861 struct ff_trigger trigger
;
862 struct ff_replay replay
;
865 struct ff_constant_effect constant
;
866 struct ff_ramp_effect ramp
;
867 struct ff_periodic_effect periodic
;
868 struct ff_condition_effect condition
[2]; /* One for each axis */
869 struct ff_rumble_effect rumble
;
874 * Force feedback effect types
877 #define FF_RUMBLE 0x50
878 #define FF_PERIODIC 0x51
879 #define FF_CONSTANT 0x52
880 #define FF_SPRING 0x53
881 #define FF_FRICTION 0x54
882 #define FF_DAMPER 0x55
883 #define FF_INERTIA 0x56
886 #define FF_EFFECT_MIN FF_RUMBLE
887 #define FF_EFFECT_MAX FF_RAMP
890 * Force feedback periodic effect types
893 #define FF_SQUARE 0x58
894 #define FF_TRIANGLE 0x59
896 #define FF_SAW_UP 0x5b
897 #define FF_SAW_DOWN 0x5c
898 #define FF_CUSTOM 0x5d
900 #define FF_WAVEFORM_MIN FF_SQUARE
901 #define FF_WAVEFORM_MAX FF_CUSTOM
904 * Set ff device properties
908 #define FF_AUTOCENTER 0x61
915 * In-kernel definitions.
918 #include <linux/device.h>
919 #include <linux/fs.h>
920 #include <linux/timer.h>
921 #include <linux/mod_devicetable.h>
923 #define NBITS(x) (((x)/BITS_PER_LONG)+1)
924 #define BIT(x) (1UL<<((x)%BITS_PER_LONG))
925 #define LONG(x) ((x)/BITS_PER_LONG)
936 unsigned long evbit
[NBITS(EV_MAX
)];
937 unsigned long keybit
[NBITS(KEY_MAX
)];
938 unsigned long relbit
[NBITS(REL_MAX
)];
939 unsigned long absbit
[NBITS(ABS_MAX
)];
940 unsigned long mscbit
[NBITS(MSC_MAX
)];
941 unsigned long ledbit
[NBITS(LED_MAX
)];
942 unsigned long sndbit
[NBITS(SND_MAX
)];
943 unsigned long ffbit
[NBITS(FF_MAX
)];
944 unsigned long swbit
[NBITS(SW_MAX
)];
946 unsigned int keycodemax
;
947 unsigned int keycodesize
;
949 int (*setkeycode
)(struct input_dev
*dev
, int scancode
, int keycode
);
950 int (*getkeycode
)(struct input_dev
*dev
, int scancode
, int *keycode
);
952 struct ff_device
*ff
;
954 unsigned int repeat_key
;
955 struct timer_list timer
;
961 int abs
[ABS_MAX
+ 1];
962 int rep
[REP_MAX
+ 1];
964 unsigned long key
[NBITS(KEY_MAX
)];
965 unsigned long led
[NBITS(LED_MAX
)];
966 unsigned long snd
[NBITS(SND_MAX
)];
967 unsigned long sw
[NBITS(SW_MAX
)];
969 int absmax
[ABS_MAX
+ 1];
970 int absmin
[ABS_MAX
+ 1];
971 int absfuzz
[ABS_MAX
+ 1];
972 int absflat
[ABS_MAX
+ 1];
974 int (*open
)(struct input_dev
*dev
);
975 void (*close
)(struct input_dev
*dev
);
976 int (*flush
)(struct input_dev
*dev
, struct file
*file
);
977 int (*event
)(struct input_dev
*dev
, unsigned int type
, unsigned int code
, int value
);
979 struct input_handle
*grab
;
981 struct mutex mutex
; /* serializes open and close operations */
984 struct class_device cdev
;
985 union { /* temporarily so while we switching to struct device */
986 struct device
*parent
;
989 struct list_head h_list
;
990 struct list_head node
;
992 #define to_input_dev(d) container_of(d, struct input_dev, cdev)
995 * Verify that we are in sync with input_device_id mod_devicetable.h #defines
998 #if EV_MAX != INPUT_DEVICE_ID_EV_MAX
999 #error "EV_MAX and INPUT_DEVICE_ID_EV_MAX do not match"
1002 #if KEY_MIN_INTERESTING != INPUT_DEVICE_ID_KEY_MIN_INTERESTING
1003 #error "KEY_MIN_INTERESTING and INPUT_DEVICE_ID_KEY_MIN_INTERESTING do not match"
1006 #if KEY_MAX != INPUT_DEVICE_ID_KEY_MAX
1007 #error "KEY_MAX and INPUT_DEVICE_ID_KEY_MAX do not match"
1010 #if REL_MAX != INPUT_DEVICE_ID_REL_MAX
1011 #error "REL_MAX and INPUT_DEVICE_ID_REL_MAX do not match"
1014 #if ABS_MAX != INPUT_DEVICE_ID_ABS_MAX
1015 #error "ABS_MAX and INPUT_DEVICE_ID_ABS_MAX do not match"
1018 #if MSC_MAX != INPUT_DEVICE_ID_MSC_MAX
1019 #error "MSC_MAX and INPUT_DEVICE_ID_MSC_MAX do not match"
1022 #if LED_MAX != INPUT_DEVICE_ID_LED_MAX
1023 #error "LED_MAX and INPUT_DEVICE_ID_LED_MAX do not match"
1026 #if SND_MAX != INPUT_DEVICE_ID_SND_MAX
1027 #error "SND_MAX and INPUT_DEVICE_ID_SND_MAX do not match"
1030 #if FF_MAX != INPUT_DEVICE_ID_FF_MAX
1031 #error "FF_MAX and INPUT_DEVICE_ID_FF_MAX do not match"
1034 #if SW_MAX != INPUT_DEVICE_ID_SW_MAX
1035 #error "SW_MAX and INPUT_DEVICE_ID_SW_MAX do not match"
1038 #define INPUT_DEVICE_ID_MATCH_DEVICE \
1039 (INPUT_DEVICE_ID_MATCH_BUS | INPUT_DEVICE_ID_MATCH_VENDOR | INPUT_DEVICE_ID_MATCH_PRODUCT)
1040 #define INPUT_DEVICE_ID_MATCH_DEVICE_AND_VERSION \
1041 (INPUT_DEVICE_ID_MATCH_DEVICE | INPUT_DEVICE_ID_MATCH_VERSION)
1043 struct input_handle
;
1046 * struct input_handler - implements one of interfaces for input devices
1047 * @private: driver-specific data
1048 * @event: event handler
1049 * @connect: called when attaching a handler to an input device
1050 * @disconnect: disconnects a handler from input device
1051 * @start: starts handler for given handle. This function is called by
1052 * input core right after connect() method and also when a process
1053 * that "grabbed" a device releases it
1054 * @fops: file operations this driver implements
1055 * @minor: beginning of range of 32 minors for devices this driver
1057 * @name: name of the handler, to be shown in /proc/bus/input/handlers
1058 * @id_table: pointer to a table of input_device_ids this driver can
1060 * @blacklist: prointer to a table of input_device_ids this driver should
1061 * ignore even if they match @id_table
1062 * @h_list: list of input handles associated with the handler
1063 * @node: for placing the driver onto input_handler_list
1065 struct input_handler
{
1069 void (*event
)(struct input_handle
*handle
, unsigned int type
, unsigned int code
, int value
);
1070 int (*connect
)(struct input_handler
*handler
, struct input_dev
*dev
, const struct input_device_id
*id
);
1071 void (*disconnect
)(struct input_handle
*handle
);
1072 void (*start
)(struct input_handle
*handle
);
1074 const struct file_operations
*fops
;
1078 const struct input_device_id
*id_table
;
1079 const struct input_device_id
*blacklist
;
1081 struct list_head h_list
;
1082 struct list_head node
;
1085 struct input_handle
{
1092 struct input_dev
*dev
;
1093 struct input_handler
*handler
;
1095 struct list_head d_node
;
1096 struct list_head h_node
;
1099 #define to_dev(n) container_of(n,struct input_dev,node)
1100 #define to_handler(n) container_of(n,struct input_handler,node)
1101 #define to_handle(n) container_of(n,struct input_handle,d_node)
1102 #define to_handle_h(n) container_of(n,struct input_handle,h_node)
1104 struct input_dev
*input_allocate_device(void);
1105 void input_free_device(struct input_dev
*dev
);
1107 static inline struct input_dev
*input_get_device(struct input_dev
*dev
)
1109 return to_input_dev(class_device_get(&dev
->cdev
));
1112 static inline void input_put_device(struct input_dev
*dev
)
1114 class_device_put(&dev
->cdev
);
1117 static inline void *input_get_drvdata(struct input_dev
*dev
)
1119 return dev
->private;
1122 static inline void input_set_drvdata(struct input_dev
*dev
, void *data
)
1124 dev
->private = data
;
1127 int input_register_device(struct input_dev
*);
1128 void input_unregister_device(struct input_dev
*);
1130 int input_register_handler(struct input_handler
*);
1131 void input_unregister_handler(struct input_handler
*);
1133 int input_register_handle(struct input_handle
*);
1134 void input_unregister_handle(struct input_handle
*);
1136 int input_grab_device(struct input_handle
*);
1137 void input_release_device(struct input_handle
*);
1139 int input_open_device(struct input_handle
*);
1140 void input_close_device(struct input_handle
*);
1142 int input_flush_device(struct input_handle
* handle
, struct file
* file
);
1144 void input_event(struct input_dev
*dev
, unsigned int type
, unsigned int code
, int value
);
1145 void input_inject_event(struct input_handle
*handle
, unsigned int type
, unsigned int code
, int value
);
1147 static inline void input_report_key(struct input_dev
*dev
, unsigned int code
, int value
)
1149 input_event(dev
, EV_KEY
, code
, !!value
);
1152 static inline void input_report_rel(struct input_dev
*dev
, unsigned int code
, int value
)
1154 input_event(dev
, EV_REL
, code
, value
);
1157 static inline void input_report_abs(struct input_dev
*dev
, unsigned int code
, int value
)
1159 input_event(dev
, EV_ABS
, code
, value
);
1162 static inline void input_report_ff_status(struct input_dev
*dev
, unsigned int code
, int value
)
1164 input_event(dev
, EV_FF_STATUS
, code
, value
);
1167 static inline void input_report_switch(struct input_dev
*dev
, unsigned int code
, int value
)
1169 input_event(dev
, EV_SW
, code
, !!value
);
1172 static inline void input_sync(struct input_dev
*dev
)
1174 input_event(dev
, EV_SYN
, SYN_REPORT
, 0);
1177 void input_set_capability(struct input_dev
*dev
, unsigned int type
, unsigned int code
);
1179 static inline void input_set_abs_params(struct input_dev
*dev
, int axis
, int min
, int max
, int fuzz
, int flat
)
1181 dev
->absmin
[axis
] = min
;
1182 dev
->absmax
[axis
] = max
;
1183 dev
->absfuzz
[axis
] = fuzz
;
1184 dev
->absflat
[axis
] = flat
;
1186 dev
->absbit
[LONG(axis
)] |= BIT(axis
);
1189 extern struct class input_class
;
1192 * struct ff_device - force-feedback part of an input device
1193 * @upload: Called to upload an new effect into device
1194 * @erase: Called to erase an effect from device
1195 * @playback: Called to request device to start playing specified effect
1196 * @set_gain: Called to set specified gain
1197 * @set_autocenter: Called to auto-center device
1198 * @destroy: called by input core when parent input device is being
1200 * @private: driver-specific data, will be freed automatically
1201 * @ffbit: bitmap of force feedback capabilities truly supported by
1202 * device (not emulated like ones in input_dev->ffbit)
1203 * @mutex: mutex for serializing access to the device
1204 * @max_effects: maximum number of effects supported by device
1205 * @effects: pointer to an array of effects currently loaded into device
1206 * @effect_owners: array of effect owners; when file handle owning
1207 * an effect gets closed the effcet is automatically erased
1209 * Every force-feedback device must implement upload() and playback()
1210 * methods; erase() is optional. set_gain() and set_autocenter() need
1211 * only be implemented if driver sets up FF_GAIN and FF_AUTOCENTER
1215 int (*upload
)(struct input_dev
*dev
, struct ff_effect
*effect
,
1216 struct ff_effect
*old
);
1217 int (*erase
)(struct input_dev
*dev
, int effect_id
);
1219 int (*playback
)(struct input_dev
*dev
, int effect_id
, int value
);
1220 void (*set_gain
)(struct input_dev
*dev
, u16 gain
);
1221 void (*set_autocenter
)(struct input_dev
*dev
, u16 magnitude
);
1223 void (*destroy
)(struct ff_device
*);
1227 unsigned long ffbit
[NBITS(FF_MAX
)];
1232 struct ff_effect
*effects
;
1233 struct file
*effect_owners
[];
1236 int input_ff_create(struct input_dev
*dev
, int max_effects
);
1237 void input_ff_destroy(struct input_dev
*dev
);
1239 int input_ff_event(struct input_dev
*dev
, unsigned int type
, unsigned int code
, int value
);
1241 int input_ff_upload(struct input_dev
*dev
, struct ff_effect
*effect
, struct file
*file
);
1242 int input_ff_erase(struct input_dev
*dev
, int effect_id
, struct file
*file
);
1244 int input_ff_create_memless(struct input_dev
*dev
, void *data
,
1245 int (*play_effect
)(struct input_dev
*, void *, struct ff_effect
*));