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
495 #define KEY_DEL_EOL 0x1c0
496 #define KEY_DEL_EOS 0x1c1
497 #define KEY_INS_LINE 0x1c2
498 #define KEY_DEL_LINE 0x1c3
501 #define KEY_FN_ESC 0x1d1
502 #define KEY_FN_F1 0x1d2
503 #define KEY_FN_F2 0x1d3
504 #define KEY_FN_F3 0x1d4
505 #define KEY_FN_F4 0x1d5
506 #define KEY_FN_F5 0x1d6
507 #define KEY_FN_F6 0x1d7
508 #define KEY_FN_F7 0x1d8
509 #define KEY_FN_F8 0x1d9
510 #define KEY_FN_F9 0x1da
511 #define KEY_FN_F10 0x1db
512 #define KEY_FN_F11 0x1dc
513 #define KEY_FN_F12 0x1dd
514 #define KEY_FN_1 0x1de
515 #define KEY_FN_2 0x1df
516 #define KEY_FN_D 0x1e0
517 #define KEY_FN_E 0x1e1
518 #define KEY_FN_F 0x1e2
519 #define KEY_FN_S 0x1e3
520 #define KEY_FN_B 0x1e4
522 #define KEY_BRL_DOT1 0x1f1
523 #define KEY_BRL_DOT2 0x1f2
524 #define KEY_BRL_DOT3 0x1f3
525 #define KEY_BRL_DOT4 0x1f4
526 #define KEY_BRL_DOT5 0x1f5
527 #define KEY_BRL_DOT6 0x1f6
528 #define KEY_BRL_DOT7 0x1f7
529 #define KEY_BRL_DOT8 0x1f8
531 /* We avoid low common keys in module aliases so they don't get huge. */
532 #define KEY_MIN_INTERESTING KEY_MUTE
533 #define KEY_MAX 0x1ff
545 #define REL_HWHEEL 0x06
546 #define REL_DIAL 0x07
547 #define REL_WHEEL 0x08
548 #define REL_MISC 0x09
561 #define ABS_THROTTLE 0x06
562 #define ABS_RUDDER 0x07
563 #define ABS_WHEEL 0x08
565 #define ABS_BRAKE 0x0a
566 #define ABS_HAT0X 0x10
567 #define ABS_HAT0Y 0x11
568 #define ABS_HAT1X 0x12
569 #define ABS_HAT1Y 0x13
570 #define ABS_HAT2X 0x14
571 #define ABS_HAT2Y 0x15
572 #define ABS_HAT3X 0x16
573 #define ABS_HAT3Y 0x17
574 #define ABS_PRESSURE 0x18
575 #define ABS_DISTANCE 0x19
576 #define ABS_TILT_X 0x1a
577 #define ABS_TILT_Y 0x1b
578 #define ABS_TOOL_WIDTH 0x1c
579 #define ABS_VOLUME 0x20
580 #define ABS_MISC 0x28
587 #define SW_LID 0x00 /* set = lid shut */
588 #define SW_TABLET_MODE 0x01 /* set = tablet mode */
589 #define SW_HEADPHONE_INSERT 0x02 /* set = inserted */
596 #define MSC_SERIAL 0x00
597 #define MSC_PULSELED 0x01
598 #define MSC_GESTURE 0x02
600 #define MSC_SCAN 0x04
607 #define LED_NUML 0x00
608 #define LED_CAPSL 0x01
609 #define LED_SCROLLL 0x02
610 #define LED_COMPOSE 0x03
611 #define LED_KANA 0x04
612 #define LED_SLEEP 0x05
613 #define LED_SUSPEND 0x06
614 #define LED_MUTE 0x07
615 #define LED_MISC 0x08
616 #define LED_MAIL 0x09
617 #define LED_CHARGING 0x0a
624 #define REP_DELAY 0x00
625 #define REP_PERIOD 0x01
632 #define SND_CLICK 0x00
633 #define SND_BELL 0x01
634 #define SND_TONE 0x02
647 #define BUS_ISAPNP 0x02
650 #define BUS_BLUETOOTH 0x05
651 #define BUS_VIRTUAL 0x06
654 #define BUS_I8042 0x11
655 #define BUS_XTKBD 0x12
656 #define BUS_RS232 0x13
657 #define BUS_GAMEPORT 0x14
658 #define BUS_PARPORT 0x15
659 #define BUS_AMIGA 0x16
662 #define BUS_HOST 0x19
666 * Values describing the status of an effect
668 #define FF_STATUS_STOPPED 0x00
669 #define FF_STATUS_PLAYING 0x01
670 #define FF_STATUS_MAX 0x01
673 * Structures used in ioctls to upload effects to a device
674 * They are pieces of a bigger structure (called ff_effect)
678 * All duration values are expressed in ms. Values above 32767 ms (0x7fff)
679 * should not be used and have unspecified results.
683 * struct ff_replay - defines scheduling of the effect
684 * @length: duration of the effect
685 * @delay: delay before effect should start playing
693 * struct ff_trigger - defines what triggers the effect
694 * @button: number of the button triggering the effect
695 * @interval: controls how soon the effect can be re-triggered
703 * struct ff_envelope - generic effect envelope
704 * @attack_length: duration of the attack (ms)
705 * @attack_level: level at the beginning of the attack
706 * @fade_length: duration of fade (ms)
707 * @fade_level: level at the end of fade
709 * The @attack_level and @fade_level are absolute values; when applying
710 * envelope force-feedback core will convert to positive/negative
711 * value based on polarity of the default level of the effect.
712 * Valid range for the attack and fade levels is 0x0000 - 0x7fff
722 * struct ff_constant_effect - defines parameters of a constant effect
723 * @level: strength of the effect; may be negative
724 * @envelope: envelope data
726 struct ff_constant_effect
{
728 struct ff_envelope envelope
;
732 * struct ff_ramp_effect - defines parameters of a ramp effect
733 * @start_level: beginning strength of the effect; may be negative
734 * @end_level: final strength of the effect; may be negative
735 * @envelope: envelope data
737 struct ff_ramp_effect
{
740 struct ff_envelope envelope
;
744 * struct ff_condition_effect - defines a spring or friction effect
745 * @right_saturation: maximum level when joystick moved all way to the right
746 * @left_saturation: same for the left side
747 * @right_coeff: controls how fast the force grows when the joystick moves
749 * @left_coeff: same for the left side
750 * @deadband: size of the dead zone, where no force is produced
751 * @center: position of the dead zone
753 struct ff_condition_effect
{
754 __u16 right_saturation
;
755 __u16 left_saturation
;
765 * struct ff_periodic_effect - defines parameters of a periodic effect
766 * @waveform: kind of the effect (wave)
767 * @period: period of the wave (ms)
768 * @magnitude: peak value
769 * @offset: mean value of the wave (roughly)
770 * @phase: 'horizontal' shift
771 * @envelope: envelope data
772 * @custom_len: number of samples (FF_CUSTOM only)
773 * @custom_data: buffer of samples (FF_CUSTOM only)
775 * Known waveforms - FF_SQUARE, FF_TRIANGLE, FF_SINE, FF_SAW_UP,
776 * FF_SAW_DOWN, FF_CUSTOM. The exact syntax FF_CUSTOM is undefined
777 * for the time being as no driver supports it yet.
779 * Note: the data pointed by custom_data is copied by the driver.
780 * You can therefore dispose of the memory after the upload/update.
782 struct ff_periodic_effect
{
789 struct ff_envelope envelope
;
796 * struct ff_rumble_effect - defines parameters of a periodic effect
797 * @strong_magnitude: magnitude of the heavy motor
798 * @weak_magnitude: magnitude of the light one
800 * Some rumble pads have two motors of different weight. Strong_magnitude
801 * represents the magnitude of the vibration generated by the heavy one.
803 struct ff_rumble_effect
{
804 __u16 strong_magnitude
;
805 __u16 weak_magnitude
;
809 * struct ff_effect - defines force feedback effect
810 * @type: type of the effect (FF_CONSTANT, FF_PERIODIC, FF_RAMP, FF_SPRING,
811 * FF_FRICTION, FF_DAMPER, FF_RUMBLE, FF_INERTIA, or FF_CUSTOM)
812 * @id: an unique id assigned to an effect
813 * @direction: direction of the effect
814 * @trigger: trigger conditions (struct ff_trigger)
815 * @replay: scheduling of the effect (struct ff_replay)
816 * @u: effect-specific structure (one of ff_constant_effect, ff_ramp_effect,
817 * ff_periodic_effect, ff_condition_effect, ff_rumble_effect) further
818 * defining effect parameters
820 * This structure is sent through ioctl from the application to the driver.
821 * To create a new effect aplication should set its @id to -1; the kernel
822 * will return assigned @id which can later be used to update or delete
825 * Direction of the effect is encoded as follows:
826 * 0 deg -> 0x0000 (down)
827 * 90 deg -> 0x4000 (left)
828 * 180 deg -> 0x8000 (up)
829 * 270 deg -> 0xC000 (right)
835 struct ff_trigger trigger
;
836 struct ff_replay replay
;
839 struct ff_constant_effect constant
;
840 struct ff_ramp_effect ramp
;
841 struct ff_periodic_effect periodic
;
842 struct ff_condition_effect condition
[2]; /* One for each axis */
843 struct ff_rumble_effect rumble
;
848 * Force feedback effect types
851 #define FF_RUMBLE 0x50
852 #define FF_PERIODIC 0x51
853 #define FF_CONSTANT 0x52
854 #define FF_SPRING 0x53
855 #define FF_FRICTION 0x54
856 #define FF_DAMPER 0x55
857 #define FF_INERTIA 0x56
860 #define FF_EFFECT_MIN FF_RUMBLE
861 #define FF_EFFECT_MAX FF_RAMP
864 * Force feedback periodic effect types
867 #define FF_SQUARE 0x58
868 #define FF_TRIANGLE 0x59
870 #define FF_SAW_UP 0x5b
871 #define FF_SAW_DOWN 0x5c
872 #define FF_CUSTOM 0x5d
874 #define FF_WAVEFORM_MIN FF_SQUARE
875 #define FF_WAVEFORM_MAX FF_CUSTOM
878 * Set ff device properties
882 #define FF_AUTOCENTER 0x61
889 * In-kernel definitions.
892 #include <linux/device.h>
893 #include <linux/fs.h>
894 #include <linux/timer.h>
895 #include <linux/mod_devicetable.h>
897 #define NBITS(x) (((x)/BITS_PER_LONG)+1)
898 #define BIT(x) (1UL<<((x)%BITS_PER_LONG))
899 #define LONG(x) ((x)/BITS_PER_LONG)
901 #define INPUT_KEYCODE(dev, scancode) ((dev->keycodesize == 1) ? ((u8*)dev->keycode)[scancode] : \
902 ((dev->keycodesize == 2) ? ((u16*)dev->keycode)[scancode] : (((u32*)dev->keycode)[scancode])))
904 #define SET_INPUT_KEYCODE(dev, scancode, val) \
906 switch (dev->keycodesize) { \
908 u8 *k = (u8 *)dev->keycode; \
909 __old = k[scancode]; \
914 u16 *k = (u16 *)dev->keycode; \
915 __old = k[scancode]; \
920 u32 *k = (u32 *)dev->keycode; \
921 __old = k[scancode]; \
937 unsigned long evbit
[NBITS(EV_MAX
)];
938 unsigned long keybit
[NBITS(KEY_MAX
)];
939 unsigned long relbit
[NBITS(REL_MAX
)];
940 unsigned long absbit
[NBITS(ABS_MAX
)];
941 unsigned long mscbit
[NBITS(MSC_MAX
)];
942 unsigned long ledbit
[NBITS(LED_MAX
)];
943 unsigned long sndbit
[NBITS(SND_MAX
)];
944 unsigned long ffbit
[NBITS(FF_MAX
)];
945 unsigned long swbit
[NBITS(SW_MAX
)];
947 unsigned int keycodemax
;
948 unsigned int keycodesize
;
951 struct ff_device
*ff
;
953 unsigned int repeat_key
;
954 struct timer_list timer
;
960 int abs
[ABS_MAX
+ 1];
961 int rep
[REP_MAX
+ 1];
963 unsigned long key
[NBITS(KEY_MAX
)];
964 unsigned long led
[NBITS(LED_MAX
)];
965 unsigned long snd
[NBITS(SND_MAX
)];
966 unsigned long sw
[NBITS(SW_MAX
)];
968 int absmax
[ABS_MAX
+ 1];
969 int absmin
[ABS_MAX
+ 1];
970 int absfuzz
[ABS_MAX
+ 1];
971 int absflat
[ABS_MAX
+ 1];
973 int (*open
)(struct input_dev
*dev
);
974 void (*close
)(struct input_dev
*dev
);
975 int (*flush
)(struct input_dev
*dev
, struct file
*file
);
976 int (*event
)(struct input_dev
*dev
, unsigned int type
, unsigned int code
, int value
);
978 struct input_handle
*grab
;
980 struct mutex mutex
; /* serializes open and close operations */
983 struct class_device cdev
;
985 struct list_head h_list
;
986 struct list_head node
;
988 #define to_input_dev(d) container_of(d, struct input_dev, cdev)
991 * Verify that we are in sync with input_device_id mod_devicetable.h #defines
994 #if EV_MAX != INPUT_DEVICE_ID_EV_MAX
995 #error "EV_MAX and INPUT_DEVICE_ID_EV_MAX do not match"
998 #if KEY_MAX != INPUT_DEVICE_ID_KEY_MAX
999 #error "KEY_MAX and INPUT_DEVICE_ID_KEY_MAX do not match"
1002 #if REL_MAX != INPUT_DEVICE_ID_REL_MAX
1003 #error "REL_MAX and INPUT_DEVICE_ID_REL_MAX do not match"
1006 #if ABS_MAX != INPUT_DEVICE_ID_ABS_MAX
1007 #error "ABS_MAX and INPUT_DEVICE_ID_ABS_MAX do not match"
1010 #if MSC_MAX != INPUT_DEVICE_ID_MSC_MAX
1011 #error "MSC_MAX and INPUT_DEVICE_ID_MSC_MAX do not match"
1014 #if LED_MAX != INPUT_DEVICE_ID_LED_MAX
1015 #error "LED_MAX and INPUT_DEVICE_ID_LED_MAX do not match"
1018 #if SND_MAX != INPUT_DEVICE_ID_SND_MAX
1019 #error "SND_MAX and INPUT_DEVICE_ID_SND_MAX do not match"
1022 #if FF_MAX != INPUT_DEVICE_ID_FF_MAX
1023 #error "FF_MAX and INPUT_DEVICE_ID_FF_MAX do not match"
1026 #if SW_MAX != INPUT_DEVICE_ID_SW_MAX
1027 #error "SW_MAX and INPUT_DEVICE_ID_SW_MAX do not match"
1030 #define INPUT_DEVICE_ID_MATCH_DEVICE \
1031 (INPUT_DEVICE_ID_MATCH_BUS | INPUT_DEVICE_ID_MATCH_VENDOR | INPUT_DEVICE_ID_MATCH_PRODUCT)
1032 #define INPUT_DEVICE_ID_MATCH_DEVICE_AND_VERSION \
1033 (INPUT_DEVICE_ID_MATCH_DEVICE | INPUT_DEVICE_ID_MATCH_VERSION)
1035 struct input_handle
;
1038 * struct input_handler - implements one of interfaces for input devices
1039 * @private: driver-specific data
1040 * @event: event handler
1041 * @connect: called when attaching a handler to an input device
1042 * @disconnect: disconnects a handler from input device
1043 * @start: starts handler for given handle. This function is called by
1044 * input core right after connect() method and also when a process
1045 * that "grabbed" a device releases it
1046 * @fops: file operations this driver implements
1047 * @minor: beginning of range of 32 minors for devices this driver
1049 * @name: name of the handler, to be shown in /proc/bus/input/handlers
1050 * @id_table: pointer to a table of input_device_ids this driver can
1052 * @blacklist: prointer to a table of input_device_ids this driver should
1053 * ignore even if they match @id_table
1054 * @h_list: list of input handles associated with the handler
1055 * @node: for placing the driver onto input_handler_list
1057 struct input_handler
{
1061 void (*event
)(struct input_handle
*handle
, unsigned int type
, unsigned int code
, int value
);
1062 struct input_handle
* (*connect
)(struct input_handler
*handler
, struct input_dev
*dev
, const struct input_device_id
*id
);
1063 void (*disconnect
)(struct input_handle
*handle
);
1064 void (*start
)(struct input_handle
*handle
);
1066 const struct file_operations
*fops
;
1070 const struct input_device_id
*id_table
;
1071 const struct input_device_id
*blacklist
;
1073 struct list_head h_list
;
1074 struct list_head node
;
1077 struct input_handle
{
1084 struct input_dev
*dev
;
1085 struct input_handler
*handler
;
1087 struct list_head d_node
;
1088 struct list_head h_node
;
1091 #define to_dev(n) container_of(n,struct input_dev,node)
1092 #define to_handler(n) container_of(n,struct input_handler,node);
1093 #define to_handle(n) container_of(n,struct input_handle,d_node)
1094 #define to_handle_h(n) container_of(n,struct input_handle,h_node)
1096 struct input_dev
*input_allocate_device(void);
1097 void input_free_device(struct input_dev
*dev
);
1099 static inline struct input_dev
*input_get_device(struct input_dev
*dev
)
1101 return to_input_dev(class_device_get(&dev
->cdev
));
1104 static inline void input_put_device(struct input_dev
*dev
)
1106 class_device_put(&dev
->cdev
);
1109 int input_register_device(struct input_dev
*);
1110 void input_unregister_device(struct input_dev
*);
1112 int input_register_handler(struct input_handler
*);
1113 void input_unregister_handler(struct input_handler
*);
1115 int input_grab_device(struct input_handle
*);
1116 void input_release_device(struct input_handle
*);
1118 int input_open_device(struct input_handle
*);
1119 void input_close_device(struct input_handle
*);
1121 int input_flush_device(struct input_handle
* handle
, struct file
* file
);
1123 void input_event(struct input_dev
*dev
, unsigned int type
, unsigned int code
, int value
);
1124 void input_inject_event(struct input_handle
*handle
, unsigned int type
, unsigned int code
, int value
);
1126 static inline void input_report_key(struct input_dev
*dev
, unsigned int code
, int value
)
1128 input_event(dev
, EV_KEY
, code
, !!value
);
1131 static inline void input_report_rel(struct input_dev
*dev
, unsigned int code
, int value
)
1133 input_event(dev
, EV_REL
, code
, value
);
1136 static inline void input_report_abs(struct input_dev
*dev
, unsigned int code
, int value
)
1138 input_event(dev
, EV_ABS
, code
, value
);
1141 static inline void input_report_ff_status(struct input_dev
*dev
, unsigned int code
, int value
)
1143 input_event(dev
, EV_FF_STATUS
, code
, value
);
1146 static inline void input_report_switch(struct input_dev
*dev
, unsigned int code
, int value
)
1148 input_event(dev
, EV_SW
, code
, !!value
);
1151 static inline void input_sync(struct input_dev
*dev
)
1153 input_event(dev
, EV_SYN
, SYN_REPORT
, 0);
1156 static inline void input_set_abs_params(struct input_dev
*dev
, int axis
, int min
, int max
, int fuzz
, int flat
)
1158 dev
->absmin
[axis
] = min
;
1159 dev
->absmax
[axis
] = max
;
1160 dev
->absfuzz
[axis
] = fuzz
;
1161 dev
->absflat
[axis
] = flat
;
1163 dev
->absbit
[LONG(axis
)] |= BIT(axis
);
1166 extern struct class input_class
;
1169 * struct ff_device - force-feedback part of an input device
1170 * @upload: Called to upload an new effect into device
1171 * @erase: Called to erase an effect from device
1172 * @playback: Called to request device to start playing specified effect
1173 * @set_gain: Called to set specified gain
1174 * @set_autocenter: Called to auto-center device
1175 * @destroy: called by input core when parent input device is being
1177 * @private: driver-specific data, will be freed automatically
1178 * @ffbit: bitmap of force feedback capabilities truly supported by
1179 * device (not emulated like ones in input_dev->ffbit)
1180 * @mutex: mutex for serializing access to the device
1181 * @max_effects: maximum number of effects supported by device
1182 * @effects: pointer to an array of effects currently loaded into device
1183 * @effect_owners: array of effect owners; when file handle owning
1184 * an effect gets closed the effcet is automatically erased
1186 * Every force-feedback device must implement upload() and playback()
1187 * methods; erase() is optional. set_gain() and set_autocenter() need
1188 * only be implemented if driver sets up FF_GAIN and FF_AUTOCENTER
1192 int (*upload
)(struct input_dev
*dev
, struct ff_effect
*effect
,
1193 struct ff_effect
*old
);
1194 int (*erase
)(struct input_dev
*dev
, int effect_id
);
1196 int (*playback
)(struct input_dev
*dev
, int effect_id
, int value
);
1197 void (*set_gain
)(struct input_dev
*dev
, u16 gain
);
1198 void (*set_autocenter
)(struct input_dev
*dev
, u16 magnitude
);
1200 void (*destroy
)(struct ff_device
*);
1204 unsigned long ffbit
[NBITS(FF_MAX
)];
1209 struct ff_effect
*effects
;
1210 struct file
*effect_owners
[];
1213 int input_ff_create(struct input_dev
*dev
, int max_effects
);
1214 void input_ff_destroy(struct input_dev
*dev
);
1216 int input_ff_event(struct input_dev
*dev
, unsigned int type
, unsigned int code
, int value
);
1218 int input_ff_upload(struct input_dev
*dev
, struct ff_effect
*effect
, struct file
*file
);
1219 int input_ff_erase(struct input_dev
*dev
, int effect_id
, struct file
*file
);
1221 int input_ff_create_memless(struct input_dev
*dev
, void *data
,
1222 int (*play_effect
)(struct input_dev
*, void *, struct ff_effect
*));