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.
113 #define KEY_RESERVED 0
127 #define KEY_BACKSPACE 14
139 #define KEY_LEFTBRACE 26
140 #define KEY_RIGHTBRACE 27
142 #define KEY_LEFTCTRL 29
152 #define KEY_SEMICOLON 39
153 #define KEY_APOSTROPHE 40
155 #define KEY_LEFTSHIFT 42
156 #define KEY_BACKSLASH 43
167 #define KEY_RIGHTSHIFT 54
168 #define KEY_KPASTERISK 55
169 #define KEY_LEFTALT 56
171 #define KEY_CAPSLOCK 58
182 #define KEY_NUMLOCK 69
183 #define KEY_SCROLLLOCK 70
187 #define KEY_KPMINUS 74
191 #define KEY_KPPLUS 78
198 #define KEY_ZENKAKUHANKAKU 85
203 #define KEY_KATAKANA 90
204 #define KEY_HIRAGANA 91
205 #define KEY_HENKAN 92
206 #define KEY_KATAKANAHIRAGANA 93
207 #define KEY_MUHENKAN 94
208 #define KEY_KPJPCOMMA 95
209 #define KEY_KPENTER 96
210 #define KEY_RIGHTCTRL 97
211 #define KEY_KPSLASH 98
213 #define KEY_RIGHTALT 100
214 #define KEY_LINEFEED 101
217 #define KEY_PAGEUP 104
219 #define KEY_RIGHT 106
222 #define KEY_PAGEDOWN 109
223 #define KEY_INSERT 110
224 #define KEY_DELETE 111
225 #define KEY_MACRO 112
227 #define KEY_VOLUMEDOWN 114
228 #define KEY_VOLUMEUP 115
229 #define KEY_POWER 116
230 #define KEY_KPEQUAL 117
231 #define KEY_KPPLUSMINUS 118
232 #define KEY_PAUSE 119
234 #define KEY_KPCOMMA 121
235 #define KEY_HANGEUL 122
236 #define KEY_HANGUEL KEY_HANGEUL
237 #define KEY_HANJA 123
239 #define KEY_LEFTMETA 125
240 #define KEY_RIGHTMETA 126
241 #define KEY_COMPOSE 127
244 #define KEY_AGAIN 129
245 #define KEY_PROPS 130
247 #define KEY_FRONT 132
250 #define KEY_PASTE 135
256 #define KEY_SETUP 141
257 #define KEY_SLEEP 142
258 #define KEY_WAKEUP 143
260 #define KEY_SENDFILE 145
261 #define KEY_DELETEFILE 146
263 #define KEY_PROG1 148
264 #define KEY_PROG2 149
266 #define KEY_MSDOS 151
267 #define KEY_COFFEE 152
268 #define KEY_DIRECTION 153
269 #define KEY_CYCLEWINDOWS 154
271 #define KEY_BOOKMARKS 156
272 #define KEY_COMPUTER 157
274 #define KEY_FORWARD 159
275 #define KEY_CLOSECD 160
276 #define KEY_EJECTCD 161
277 #define KEY_EJECTCLOSECD 162
278 #define KEY_NEXTSONG 163
279 #define KEY_PLAYPAUSE 164
280 #define KEY_PREVIOUSSONG 165
281 #define KEY_STOPCD 166
282 #define KEY_RECORD 167
283 #define KEY_REWIND 168
284 #define KEY_PHONE 169
286 #define KEY_CONFIG 171
287 #define KEY_HOMEPAGE 172
288 #define KEY_REFRESH 173
292 #define KEY_SCROLLUP 177
293 #define KEY_SCROLLDOWN 178
294 #define KEY_KPLEFTPAREN 179
295 #define KEY_KPRIGHTPAREN 180
312 #define KEY_PLAYCD 200
313 #define KEY_PAUSECD 201
314 #define KEY_PROG3 202
315 #define KEY_PROG4 203
316 #define KEY_SUSPEND 205
317 #define KEY_CLOSE 206
319 #define KEY_FASTFORWARD 208
320 #define KEY_BASSBOOST 209
321 #define KEY_PRINT 210
323 #define KEY_CAMERA 212
324 #define KEY_SOUND 213
325 #define KEY_QUESTION 214
326 #define KEY_EMAIL 215
328 #define KEY_SEARCH 217
329 #define KEY_CONNECT 218
330 #define KEY_FINANCE 219
331 #define KEY_SPORT 220
333 #define KEY_ALTERASE 222
334 #define KEY_CANCEL 223
335 #define KEY_BRIGHTNESSDOWN 224
336 #define KEY_BRIGHTNESSUP 225
337 #define KEY_MEDIA 226
339 #define KEY_SWITCHVIDEOMODE 227
340 #define KEY_KBDILLUMTOGGLE 228
341 #define KEY_KBDILLUMDOWN 229
342 #define KEY_KBDILLUMUP 230
345 #define KEY_REPLY 232
346 #define KEY_FORWARDMAIL 233
348 #define KEY_DOCUMENTS 235
350 #define KEY_BATTERY 236
352 #define KEY_BLUETOOTH 237
355 #define KEY_UNKNOWN 240
357 #define BTN_MISC 0x100
369 #define BTN_MOUSE 0x110
370 #define BTN_LEFT 0x110
371 #define BTN_RIGHT 0x111
372 #define BTN_MIDDLE 0x112
373 #define BTN_SIDE 0x113
374 #define BTN_EXTRA 0x114
375 #define BTN_FORWARD 0x115
376 #define BTN_BACK 0x116
377 #define BTN_TASK 0x117
379 #define BTN_JOYSTICK 0x120
380 #define BTN_TRIGGER 0x120
381 #define BTN_THUMB 0x121
382 #define BTN_THUMB2 0x122
383 #define BTN_TOP 0x123
384 #define BTN_TOP2 0x124
385 #define BTN_PINKIE 0x125
386 #define BTN_BASE 0x126
387 #define BTN_BASE2 0x127
388 #define BTN_BASE3 0x128
389 #define BTN_BASE4 0x129
390 #define BTN_BASE5 0x12a
391 #define BTN_BASE6 0x12b
392 #define BTN_DEAD 0x12f
394 #define BTN_GAMEPAD 0x130
403 #define BTN_TL2 0x138
404 #define BTN_TR2 0x139
405 #define BTN_SELECT 0x13a
406 #define BTN_START 0x13b
407 #define BTN_MODE 0x13c
408 #define BTN_THUMBL 0x13d
409 #define BTN_THUMBR 0x13e
411 #define BTN_DIGI 0x140
412 #define BTN_TOOL_PEN 0x140
413 #define BTN_TOOL_RUBBER 0x141
414 #define BTN_TOOL_BRUSH 0x142
415 #define BTN_TOOL_PENCIL 0x143
416 #define BTN_TOOL_AIRBRUSH 0x144
417 #define BTN_TOOL_FINGER 0x145
418 #define BTN_TOOL_MOUSE 0x146
419 #define BTN_TOOL_LENS 0x147
420 #define BTN_TOUCH 0x14a
421 #define BTN_STYLUS 0x14b
422 #define BTN_STYLUS2 0x14c
423 #define BTN_TOOL_DOUBLETAP 0x14d
424 #define BTN_TOOL_TRIPLETAP 0x14e
426 #define BTN_WHEEL 0x150
427 #define BTN_GEAR_DOWN 0x150
428 #define BTN_GEAR_UP 0x151
431 #define KEY_SELECT 0x161
432 #define KEY_GOTO 0x162
433 #define KEY_CLEAR 0x163
434 #define KEY_POWER2 0x164
435 #define KEY_OPTION 0x165
436 #define KEY_INFO 0x166
437 #define KEY_TIME 0x167
438 #define KEY_VENDOR 0x168
439 #define KEY_ARCHIVE 0x169
440 #define KEY_PROGRAM 0x16a
441 #define KEY_CHANNEL 0x16b
442 #define KEY_FAVORITES 0x16c
443 #define KEY_EPG 0x16d
444 #define KEY_PVR 0x16e
445 #define KEY_MHP 0x16f
446 #define KEY_LANGUAGE 0x170
447 #define KEY_TITLE 0x171
448 #define KEY_SUBTITLE 0x172
449 #define KEY_ANGLE 0x173
450 #define KEY_ZOOM 0x174
451 #define KEY_MODE 0x175
452 #define KEY_KEYBOARD 0x176
453 #define KEY_SCREEN 0x177
456 #define KEY_TV2 0x17a
457 #define KEY_VCR 0x17b
458 #define KEY_VCR2 0x17c
459 #define KEY_SAT 0x17d
460 #define KEY_SAT2 0x17e
462 #define KEY_TAPE 0x180
463 #define KEY_RADIO 0x181
464 #define KEY_TUNER 0x182
465 #define KEY_PLAYER 0x183
466 #define KEY_TEXT 0x184
467 #define KEY_DVD 0x185
468 #define KEY_AUX 0x186
469 #define KEY_MP3 0x187
470 #define KEY_AUDIO 0x188
471 #define KEY_VIDEO 0x189
472 #define KEY_DIRECTORY 0x18a
473 #define KEY_LIST 0x18b
474 #define KEY_MEMO 0x18c
475 #define KEY_CALENDAR 0x18d
476 #define KEY_RED 0x18e
477 #define KEY_GREEN 0x18f
478 #define KEY_YELLOW 0x190
479 #define KEY_BLUE 0x191
480 #define KEY_CHANNELUP 0x192
481 #define KEY_CHANNELDOWN 0x193
482 #define KEY_FIRST 0x194
483 #define KEY_LAST 0x195
485 #define KEY_NEXT 0x197
486 #define KEY_RESTART 0x198
487 #define KEY_SLOW 0x199
488 #define KEY_SHUFFLE 0x19a
489 #define KEY_BREAK 0x19b
490 #define KEY_PREVIOUS 0x19c
491 #define KEY_DIGITS 0x19d
492 #define KEY_TEEN 0x19e
493 #define KEY_TWEN 0x19f
494 #define KEY_VIDEOPHONE 0x1a0
495 #define KEY_GAMES 0x1a1
496 #define KEY_ZOOMIN 0x1a2
497 #define KEY_ZOOMOUT 0x1a3
498 #define KEY_ZOOMRESET 0x1a4
499 #define KEY_WORDPROCESSOR 0x1a5
500 #define KEY_EDITOR 0x1a6
501 #define KEY_SPREADSHEET 0x1a7
502 #define KEY_GRAPHICSEDITOR 0x1a8
503 #define KEY_PRESENTATION 0x1a9
504 #define KEY_DATABASE 0x1aa
505 #define KEY_NEWS 0x1ab
506 #define KEY_VOICEMAIL 0x1ac
507 #define KEY_ADDRESSBOOK 0x1ad
508 #define KEY_MESSENGER 0x1ae
510 #define KEY_DEL_EOL 0x1c0
511 #define KEY_DEL_EOS 0x1c1
512 #define KEY_INS_LINE 0x1c2
513 #define KEY_DEL_LINE 0x1c3
516 #define KEY_FN_ESC 0x1d1
517 #define KEY_FN_F1 0x1d2
518 #define KEY_FN_F2 0x1d3
519 #define KEY_FN_F3 0x1d4
520 #define KEY_FN_F4 0x1d5
521 #define KEY_FN_F5 0x1d6
522 #define KEY_FN_F6 0x1d7
523 #define KEY_FN_F7 0x1d8
524 #define KEY_FN_F8 0x1d9
525 #define KEY_FN_F9 0x1da
526 #define KEY_FN_F10 0x1db
527 #define KEY_FN_F11 0x1dc
528 #define KEY_FN_F12 0x1dd
529 #define KEY_FN_1 0x1de
530 #define KEY_FN_2 0x1df
531 #define KEY_FN_D 0x1e0
532 #define KEY_FN_E 0x1e1
533 #define KEY_FN_F 0x1e2
534 #define KEY_FN_S 0x1e3
535 #define KEY_FN_B 0x1e4
537 #define KEY_BRL_DOT1 0x1f1
538 #define KEY_BRL_DOT2 0x1f2
539 #define KEY_BRL_DOT3 0x1f3
540 #define KEY_BRL_DOT4 0x1f4
541 #define KEY_BRL_DOT5 0x1f5
542 #define KEY_BRL_DOT6 0x1f6
543 #define KEY_BRL_DOT7 0x1f7
544 #define KEY_BRL_DOT8 0x1f8
546 /* We avoid low common keys in module aliases so they don't get huge. */
547 #define KEY_MIN_INTERESTING KEY_MUTE
548 #define KEY_MAX 0x1ff
560 #define REL_HWHEEL 0x06
561 #define REL_DIAL 0x07
562 #define REL_WHEEL 0x08
563 #define REL_MISC 0x09
576 #define ABS_THROTTLE 0x06
577 #define ABS_RUDDER 0x07
578 #define ABS_WHEEL 0x08
580 #define ABS_BRAKE 0x0a
581 #define ABS_HAT0X 0x10
582 #define ABS_HAT0Y 0x11
583 #define ABS_HAT1X 0x12
584 #define ABS_HAT1Y 0x13
585 #define ABS_HAT2X 0x14
586 #define ABS_HAT2Y 0x15
587 #define ABS_HAT3X 0x16
588 #define ABS_HAT3Y 0x17
589 #define ABS_PRESSURE 0x18
590 #define ABS_DISTANCE 0x19
591 #define ABS_TILT_X 0x1a
592 #define ABS_TILT_Y 0x1b
593 #define ABS_TOOL_WIDTH 0x1c
594 #define ABS_VOLUME 0x20
595 #define ABS_MISC 0x28
602 #define SW_LID 0x00 /* set = lid shut */
603 #define SW_TABLET_MODE 0x01 /* set = tablet mode */
604 #define SW_HEADPHONE_INSERT 0x02 /* set = inserted */
611 #define MSC_SERIAL 0x00
612 #define MSC_PULSELED 0x01
613 #define MSC_GESTURE 0x02
615 #define MSC_SCAN 0x04
622 #define LED_NUML 0x00
623 #define LED_CAPSL 0x01
624 #define LED_SCROLLL 0x02
625 #define LED_COMPOSE 0x03
626 #define LED_KANA 0x04
627 #define LED_SLEEP 0x05
628 #define LED_SUSPEND 0x06
629 #define LED_MUTE 0x07
630 #define LED_MISC 0x08
631 #define LED_MAIL 0x09
632 #define LED_CHARGING 0x0a
639 #define REP_DELAY 0x00
640 #define REP_PERIOD 0x01
647 #define SND_CLICK 0x00
648 #define SND_BELL 0x01
649 #define SND_TONE 0x02
662 #define BUS_ISAPNP 0x02
665 #define BUS_BLUETOOTH 0x05
666 #define BUS_VIRTUAL 0x06
669 #define BUS_I8042 0x11
670 #define BUS_XTKBD 0x12
671 #define BUS_RS232 0x13
672 #define BUS_GAMEPORT 0x14
673 #define BUS_PARPORT 0x15
674 #define BUS_AMIGA 0x16
677 #define BUS_HOST 0x19
679 #define BUS_ATARI 0x1B
682 * Values describing the status of a force-feedback effect
684 #define FF_STATUS_STOPPED 0x00
685 #define FF_STATUS_PLAYING 0x01
686 #define FF_STATUS_MAX 0x01
689 * Structures used in ioctls to upload effects to a device
690 * They are pieces of a bigger structure (called ff_effect)
694 * All duration values are expressed in ms. Values above 32767 ms (0x7fff)
695 * should not be used and have unspecified results.
699 * struct ff_replay - defines scheduling of the force-feedback effect
700 * @length: duration of the effect
701 * @delay: delay before effect should start playing
709 * struct ff_trigger - defines what triggers the force-feedback effect
710 * @button: number of the button triggering the effect
711 * @interval: controls how soon the effect can be re-triggered
719 * struct ff_envelope - generic force-feedback effect envelope
720 * @attack_length: duration of the attack (ms)
721 * @attack_level: level at the beginning of the attack
722 * @fade_length: duration of fade (ms)
723 * @fade_level: level at the end of fade
725 * The @attack_level and @fade_level are absolute values; when applying
726 * envelope force-feedback core will convert to positive/negative
727 * value based on polarity of the default level of the effect.
728 * Valid range for the attack and fade levels is 0x0000 - 0x7fff
738 * struct ff_constant_effect - defines parameters of a constant force-feedback effect
739 * @level: strength of the effect; may be negative
740 * @envelope: envelope data
742 struct ff_constant_effect {
744 struct ff_envelope envelope;
748 * struct ff_ramp_effect - defines parameters of a ramp force-feedback effect
749 * @start_level: beginning strength of the effect; may be negative
750 * @end_level: final strength of the effect; may be negative
751 * @envelope: envelope data
753 struct ff_ramp_effect {
756 struct ff_envelope envelope;
760 * struct ff_condition_effect - defines a spring or friction force-feedback effect
761 * @right_saturation: maximum level when joystick moved all way to the right
762 * @left_saturation: same for the left side
763 * @right_coeff: controls how fast the force grows when the joystick moves
765 * @left_coeff: same for the left side
766 * @deadband: size of the dead zone, where no force is produced
767 * @center: position of the dead zone
769 struct ff_condition_effect {
770 __u16 right_saturation;
771 __u16 left_saturation;
781 * struct ff_periodic_effect - defines parameters of a periodic force-feedback effect
782 * @waveform: kind of the effect (wave)
783 * @period: period of the wave (ms)
784 * @magnitude: peak value
785 * @offset: mean value of the wave (roughly)
786 * @phase: 'horizontal' shift
787 * @envelope: envelope data
788 * @custom_len: number of samples (FF_CUSTOM only)
789 * @custom_data: buffer of samples (FF_CUSTOM only)
791 * Known waveforms - FF_SQUARE, FF_TRIANGLE, FF_SINE, FF_SAW_UP,
792 * FF_SAW_DOWN, FF_CUSTOM. The exact syntax FF_CUSTOM is undefined
793 * for the time being as no driver supports it yet.
795 * Note: the data pointed by custom_data is copied by the driver.
796 * You can therefore dispose of the memory after the upload/update.
798 struct ff_periodic_effect {
805 struct ff_envelope envelope;
812 * struct ff_rumble_effect - defines parameters of a periodic force-feedback effect
813 * @strong_magnitude: magnitude of the heavy motor
814 * @weak_magnitude: magnitude of the light one
816 * Some rumble pads have two motors of different weight. Strong_magnitude
817 * represents the magnitude of the vibration generated by the heavy one.
819 struct ff_rumble_effect {
820 __u16 strong_magnitude;
821 __u16 weak_magnitude;
825 * struct ff_effect - defines force feedback effect
826 * @type: type of the effect (FF_CONSTANT, FF_PERIODIC, FF_RAMP, FF_SPRING,
827 * FF_FRICTION, FF_DAMPER, FF_RUMBLE, FF_INERTIA, or FF_CUSTOM)
828 * @id: an unique id assigned to an effect
829 * @direction: direction of the effect
830 * @trigger: trigger conditions (struct ff_trigger)
831 * @replay: scheduling of the effect (struct ff_replay)
832 * @u: effect-specific structure (one of ff_constant_effect, ff_ramp_effect,
833 * ff_periodic_effect, ff_condition_effect, ff_rumble_effect) further
834 * defining effect parameters
836 * This structure is sent through ioctl from the application to the driver.
837 * To create a new effect aplication should set its @id to -1; the kernel
838 * will return assigned @id which can later be used to update or delete
841 * Direction of the effect is encoded as follows:
842 * 0 deg -> 0x0000 (down)
843 * 90 deg -> 0x4000 (left)
844 * 180 deg -> 0x8000 (up)
845 * 270 deg -> 0xC000 (right)
851 struct ff_trigger trigger;
852 struct ff_replay replay;
855 struct ff_constant_effect constant;
856 struct ff_ramp_effect ramp;
857 struct ff_periodic_effect periodic;
858 struct ff_condition_effect condition[2]; /* One for each axis */
859 struct ff_rumble_effect rumble;
864 * Force feedback effect types
867 #define FF_RUMBLE 0x50
868 #define FF_PERIODIC 0x51
869 #define FF_CONSTANT 0x52
870 #define FF_SPRING 0x53
871 #define FF_FRICTION 0x54
872 #define FF_DAMPER 0x55
873 #define FF_INERTIA 0x56
876 #define FF_EFFECT_MIN FF_RUMBLE
877 #define FF_EFFECT_MAX FF_RAMP
880 * Force feedback periodic effect types
883 #define FF_SQUARE 0x58
884 #define FF_TRIANGLE 0x59
886 #define FF_SAW_UP 0x5b
887 #define FF_SAW_DOWN 0x5c
888 #define FF_CUSTOM 0x5d
890 #define FF_WAVEFORM_MIN FF_SQUARE
891 #define FF_WAVEFORM_MAX FF_CUSTOM
894 * Set ff device properties
898 #define FF_AUTOCENTER 0x61
905 * In-kernel definitions.
908 #include <linux/device.h>
909 #include <linux/fs.h>
910 #include <linux/timer.h>
911 #include <linux/mod_devicetable.h>
913 #define NBITS(x) (((x)/BITS_PER_LONG)+1)
914 #define BIT(x) (1UL<<((x)%BITS_PER_LONG))
915 #define LONG(x) ((x)/BITS_PER_LONG)
917 #define INPUT_KEYCODE(dev, scancode) ((dev->keycodesize == 1) ? ((u8*)dev->keycode)[scancode] : \
918 ((dev->keycodesize == 2) ? ((u16*)dev->keycode)[scancode] : (((u32*)dev->keycode)[scancode])))
920 #define SET_INPUT_KEYCODE(dev, scancode, val) \
922 switch (dev->keycodesize) { \
924 u8 *k = (u8 *)dev->keycode; \
925 __old = k[scancode]; \
930 u16 *k = (u16 *)dev->keycode; \
931 __old = k[scancode]; \
936 u32 *k = (u32 *)dev->keycode; \
937 __old = k[scancode]; \
953 unsigned long evbit[NBITS(EV_MAX)];
954 unsigned long keybit[NBITS(KEY_MAX)];
955 unsigned long relbit[NBITS(REL_MAX)];
956 unsigned long absbit[NBITS(ABS_MAX)];
957 unsigned long mscbit[NBITS(MSC_MAX)];
958 unsigned long ledbit[NBITS(LED_MAX)];
959 unsigned long sndbit[NBITS(SND_MAX)];
960 unsigned long ffbit[NBITS(FF_MAX)];
961 unsigned long swbit[NBITS(SW_MAX)];
963 unsigned int keycodemax;
964 unsigned int keycodesize;
967 struct ff_device *ff;
969 unsigned int repeat_key;
970 struct timer_list timer;
976 int abs[ABS_MAX + 1];
977 int rep[REP_MAX + 1];
979 unsigned long key[NBITS(KEY_MAX)];
980 unsigned long led[NBITS(LED_MAX)];
981 unsigned long snd[NBITS(SND_MAX)];
982 unsigned long sw[NBITS(SW_MAX)];
984 int absmax[ABS_MAX + 1];
985 int absmin[ABS_MAX + 1];
986 int absfuzz[ABS_MAX + 1];
987 int absflat[ABS_MAX + 1];
989 int (*open)(struct input_dev *dev);
990 void (*close)(struct input_dev *dev);
991 int (*flush)(struct input_dev *dev, struct file *file);
992 int (*event)(struct input_dev *dev, unsigned int type, unsigned int code, int value);
994 struct input_handle *grab;
996 struct mutex mutex; /* serializes open and close operations */
999 struct class_device cdev;
1001 struct list_head h_list;
1002 struct list_head node;
1004 #define to_input_dev(d) container_of(d, struct input_dev, cdev)
1007 * Verify that we are in sync with input_device_id mod_devicetable.h #defines
1010 #if EV_MAX != INPUT_DEVICE_ID_EV_MAX
1011 #error "EV_MAX and INPUT_DEVICE_ID_EV_MAX do not match"
1014 #if KEY_MAX != INPUT_DEVICE_ID_KEY_MAX
1015 #error "KEY_MAX and INPUT_DEVICE_ID_KEY_MAX do not match"
1018 #if REL_MAX != INPUT_DEVICE_ID_REL_MAX
1019 #error "REL_MAX and INPUT_DEVICE_ID_REL_MAX do not match"
1022 #if ABS_MAX != INPUT_DEVICE_ID_ABS_MAX
1023 #error "ABS_MAX and INPUT_DEVICE_ID_ABS_MAX do not match"
1026 #if MSC_MAX != INPUT_DEVICE_ID_MSC_MAX
1027 #error "MSC_MAX and INPUT_DEVICE_ID_MSC_MAX do not match"
1030 #if LED_MAX != INPUT_DEVICE_ID_LED_MAX
1031 #error "LED_MAX and INPUT_DEVICE_ID_LED_MAX do not match"
1034 #if SND_MAX != INPUT_DEVICE_ID_SND_MAX
1035 #error "SND_MAX and INPUT_DEVICE_ID_SND_MAX do not match"
1038 #if FF_MAX != INPUT_DEVICE_ID_FF_MAX
1039 #error "FF_MAX and INPUT_DEVICE_ID_FF_MAX do not match"
1042 #if SW_MAX != INPUT_DEVICE_ID_SW_MAX
1043 #error "SW_MAX and INPUT_DEVICE_ID_SW_MAX do not match"
1046 #define INPUT_DEVICE_ID_MATCH_DEVICE \
1047 (INPUT_DEVICE_ID_MATCH_BUS | INPUT_DEVICE_ID_MATCH_VENDOR | INPUT_DEVICE_ID_MATCH_PRODUCT)
1048 #define INPUT_DEVICE_ID_MATCH_DEVICE_AND_VERSION \
1049 (INPUT_DEVICE_ID_MATCH_DEVICE | INPUT_DEVICE_ID_MATCH_VERSION)
1051 struct input_handle;
1054 * struct input_handler - implements one of interfaces for input devices
1055 * @private: driver-specific data
1056 * @event: event handler
1057 * @connect: called when attaching a handler to an input device
1058 * @disconnect: disconnects a handler from input device
1059 * @start: starts handler for given handle. This function is called by
1060 * input core right after connect() method and also when a process
1061 * that "grabbed" a device releases it
1062 * @fops: file operations this driver implements
1063 * @minor: beginning of range of 32 minors for devices this driver
1065 * @name: name of the handler, to be shown in /proc/bus/input/handlers
1066 * @id_table: pointer to a table of input_device_ids this driver can
1068 * @blacklist: prointer to a table of input_device_ids this driver should
1069 * ignore even if they match @id_table
1070 * @h_list: list of input handles associated with the handler
1071 * @node: for placing the driver onto input_handler_list
1073 struct input_handler {
1077 void (*event)(struct input_handle *handle, unsigned int type, unsigned int code, int value);
1078 struct input_handle* (*connect)(struct input_handler *handler, struct input_dev *dev, const struct input_device_id *id);
1079 void (*disconnect)(struct input_handle *handle);
1080 void (*start)(struct input_handle *handle);
1082 const struct file_operations *fops;
1086 const struct input_device_id *id_table;
1087 const struct input_device_id *blacklist;
1089 struct list_head h_list;
1090 struct list_head node;
1093 struct input_handle {
1100 struct input_dev *dev;
1101 struct input_handler *handler;
1103 struct list_head d_node;
1104 struct list_head h_node;
1107 #define to_dev(n) container_of(n,struct input_dev,node)
1108 #define to_handler(n) container_of(n,struct input_handler,node);
1109 #define to_handle(n) container_of(n,struct input_handle,d_node)
1110 #define to_handle_h(n) container_of(n,struct input_handle,h_node)
1112 struct input_dev *input_allocate_device(void);
1113 void input_free_device(struct input_dev *dev);
1115 static inline struct input_dev *input_get_device(struct input_dev *dev)
1117 return to_input_dev(class_device_get(&dev->cdev));
1120 static inline void input_put_device(struct input_dev *dev)
1122 class_device_put(&dev->cdev);
1125 int input_register_device(struct input_dev *);
1126 void input_unregister_device(struct input_dev *);
1128 int input_register_handler(struct input_handler *);
1129 void input_unregister_handler(struct input_handler *);
1131 int input_grab_device(struct input_handle *);
1132 void input_release_device(struct input_handle *);
1134 int input_open_device(struct input_handle *);
1135 void input_close_device(struct input_handle *);
1137 int input_flush_device(struct input_handle* handle, struct file* file);
1139 void input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value);
1140 void input_inject_event(struct input_handle *handle, unsigned int type, unsigned int code, int value);
1142 static inline void input_report_key(struct input_dev *dev, unsigned int code, int value)
1144 input_event(dev, EV_KEY, code, !!value);
1147 static inline void input_report_rel(struct input_dev *dev, unsigned int code, int value)
1149 input_event(dev, EV_REL, code, value);
1152 static inline void input_report_abs(struct input_dev *dev, unsigned int code, int value)
1154 input_event(dev, EV_ABS, code, value);
1157 static inline void input_report_ff_status(struct input_dev *dev, unsigned int code, int value)
1159 input_event(dev, EV_FF_STATUS, code, value);
1162 static inline void input_report_switch(struct input_dev *dev, unsigned int code, int value)
1164 input_event(dev, EV_SW, code, !!value);
1167 static inline void input_sync(struct input_dev *dev)
1169 input_event(dev, EV_SYN, SYN_REPORT, 0);
1172 static inline void input_set_abs_params(struct input_dev *dev, int axis, int min, int max, int fuzz, int flat)
1174 dev->absmin[axis] = min;
1175 dev->absmax[axis] = max;
1176 dev->absfuzz[axis] = fuzz;
1177 dev->absflat[axis] = flat;
1179 dev->absbit[LONG(axis)] |= BIT(axis);
1182 extern struct class input_class;
1185 * struct ff_device - force-feedback part of an input device
1186 * @upload: Called to upload an new effect into device
1187 * @erase: Called to erase an effect from device
1188 * @playback: Called to request device to start playing specified effect
1189 * @set_gain: Called to set specified gain
1190 * @set_autocenter: Called to auto-center device
1191 * @destroy: called by input core when parent input device is being
1193 * @private: driver-specific data, will be freed automatically
1194 * @ffbit: bitmap of force feedback capabilities truly supported by
1195 * device (not emulated like ones in input_dev->ffbit)
1196 * @mutex: mutex for serializing access to the device
1197 * @max_effects: maximum number of effects supported by device
1198 * @effects: pointer to an array of effects currently loaded into device
1199 * @effect_owners: array of effect owners; when file handle owning
1200 * an effect gets closed the effcet is automatically erased
1202 * Every force-feedback device must implement upload() and playback()
1203 * methods; erase() is optional. set_gain() and set_autocenter() need
1204 * only be implemented if driver sets up FF_GAIN and FF_AUTOCENTER
1208 int (*upload)(struct input_dev *dev, struct ff_effect *effect,
1209 struct ff_effect *old);
1210 int (*erase)(struct input_dev *dev, int effect_id);
1212 int (*playback)(struct input_dev *dev, int effect_id, int value);
1213 void (*set_gain)(struct input_dev *dev, u16 gain);
1214 void (*set_autocenter)(struct input_dev *dev, u16 magnitude);
1216 void (*destroy)(struct ff_device *);
1220 unsigned long ffbit[NBITS(FF_MAX)];
1225 struct ff_effect *effects;
1226 struct file *effect_owners[];
1229 int input_ff_create(struct input_dev *dev, int max_effects);
1230 void input_ff_destroy(struct input_dev *dev);
1232 int input_ff_event(struct input_dev *dev, unsigned int type, unsigned int code, int value);
1234 int input_ff_upload(struct input_dev *dev, struct ff_effect *effect, struct file *file);
1235 int input_ff_erase(struct input_dev *dev, int effect_id, struct file *file);
1237 int input_ff_create_memless(struct input_dev *dev, void *data,
1238 int (*play_effect)(struct input_dev *, void *, struct ff_effect *));