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_UNKNOWN 240
354 #define BTN_MISC 0x100
366 #define BTN_MOUSE 0x110
367 #define BTN_LEFT 0x110
368 #define BTN_RIGHT 0x111
369 #define BTN_MIDDLE 0x112
370 #define BTN_SIDE 0x113
371 #define BTN_EXTRA 0x114
372 #define BTN_FORWARD 0x115
373 #define BTN_BACK 0x116
374 #define BTN_TASK 0x117
376 #define BTN_JOYSTICK 0x120
377 #define BTN_TRIGGER 0x120
378 #define BTN_THUMB 0x121
379 #define BTN_THUMB2 0x122
380 #define BTN_TOP 0x123
381 #define BTN_TOP2 0x124
382 #define BTN_PINKIE 0x125
383 #define BTN_BASE 0x126
384 #define BTN_BASE2 0x127
385 #define BTN_BASE3 0x128
386 #define BTN_BASE4 0x129
387 #define BTN_BASE5 0x12a
388 #define BTN_BASE6 0x12b
389 #define BTN_DEAD 0x12f
391 #define BTN_GAMEPAD 0x130
400 #define BTN_TL2 0x138
401 #define BTN_TR2 0x139
402 #define BTN_SELECT 0x13a
403 #define BTN_START 0x13b
404 #define BTN_MODE 0x13c
405 #define BTN_THUMBL 0x13d
406 #define BTN_THUMBR 0x13e
408 #define BTN_DIGI 0x140
409 #define BTN_TOOL_PEN 0x140
410 #define BTN_TOOL_RUBBER 0x141
411 #define BTN_TOOL_BRUSH 0x142
412 #define BTN_TOOL_PENCIL 0x143
413 #define BTN_TOOL_AIRBRUSH 0x144
414 #define BTN_TOOL_FINGER 0x145
415 #define BTN_TOOL_MOUSE 0x146
416 #define BTN_TOOL_LENS 0x147
417 #define BTN_TOUCH 0x14a
418 #define BTN_STYLUS 0x14b
419 #define BTN_STYLUS2 0x14c
420 #define BTN_TOOL_DOUBLETAP 0x14d
421 #define BTN_TOOL_TRIPLETAP 0x14e
423 #define BTN_WHEEL 0x150
424 #define BTN_GEAR_DOWN 0x150
425 #define BTN_GEAR_UP 0x151
428 #define KEY_SELECT 0x161
429 #define KEY_GOTO 0x162
430 #define KEY_CLEAR 0x163
431 #define KEY_POWER2 0x164
432 #define KEY_OPTION 0x165
433 #define KEY_INFO 0x166
434 #define KEY_TIME 0x167
435 #define KEY_VENDOR 0x168
436 #define KEY_ARCHIVE 0x169
437 #define KEY_PROGRAM 0x16a
438 #define KEY_CHANNEL 0x16b
439 #define KEY_FAVORITES 0x16c
440 #define KEY_EPG 0x16d
441 #define KEY_PVR 0x16e
442 #define KEY_MHP 0x16f
443 #define KEY_LANGUAGE 0x170
444 #define KEY_TITLE 0x171
445 #define KEY_SUBTITLE 0x172
446 #define KEY_ANGLE 0x173
447 #define KEY_ZOOM 0x174
448 #define KEY_MODE 0x175
449 #define KEY_KEYBOARD 0x176
450 #define KEY_SCREEN 0x177
453 #define KEY_TV2 0x17a
454 #define KEY_VCR 0x17b
455 #define KEY_VCR2 0x17c
456 #define KEY_SAT 0x17d
457 #define KEY_SAT2 0x17e
459 #define KEY_TAPE 0x180
460 #define KEY_RADIO 0x181
461 #define KEY_TUNER 0x182
462 #define KEY_PLAYER 0x183
463 #define KEY_TEXT 0x184
464 #define KEY_DVD 0x185
465 #define KEY_AUX 0x186
466 #define KEY_MP3 0x187
467 #define KEY_AUDIO 0x188
468 #define KEY_VIDEO 0x189
469 #define KEY_DIRECTORY 0x18a
470 #define KEY_LIST 0x18b
471 #define KEY_MEMO 0x18c
472 #define KEY_CALENDAR 0x18d
473 #define KEY_RED 0x18e
474 #define KEY_GREEN 0x18f
475 #define KEY_YELLOW 0x190
476 #define KEY_BLUE 0x191
477 #define KEY_CHANNELUP 0x192
478 #define KEY_CHANNELDOWN 0x193
479 #define KEY_FIRST 0x194
480 #define KEY_LAST 0x195
482 #define KEY_NEXT 0x197
483 #define KEY_RESTART 0x198
484 #define KEY_SLOW 0x199
485 #define KEY_SHUFFLE 0x19a
486 #define KEY_BREAK 0x19b
487 #define KEY_PREVIOUS 0x19c
488 #define KEY_DIGITS 0x19d
489 #define KEY_TEEN 0x19e
490 #define KEY_TWEN 0x19f
492 #define KEY_DEL_EOL 0x1c0
493 #define KEY_DEL_EOS 0x1c1
494 #define KEY_INS_LINE 0x1c2
495 #define KEY_DEL_LINE 0x1c3
498 #define KEY_FN_ESC 0x1d1
499 #define KEY_FN_F1 0x1d2
500 #define KEY_FN_F2 0x1d3
501 #define KEY_FN_F3 0x1d4
502 #define KEY_FN_F4 0x1d5
503 #define KEY_FN_F5 0x1d6
504 #define KEY_FN_F6 0x1d7
505 #define KEY_FN_F7 0x1d8
506 #define KEY_FN_F8 0x1d9
507 #define KEY_FN_F9 0x1da
508 #define KEY_FN_F10 0x1db
509 #define KEY_FN_F11 0x1dc
510 #define KEY_FN_F12 0x1dd
511 #define KEY_FN_1 0x1de
512 #define KEY_FN_2 0x1df
513 #define KEY_FN_D 0x1e0
514 #define KEY_FN_E 0x1e1
515 #define KEY_FN_F 0x1e2
516 #define KEY_FN_S 0x1e3
517 #define KEY_FN_B 0x1e4
519 #define KEY_BRL_DOT1 0x1f1
520 #define KEY_BRL_DOT2 0x1f2
521 #define KEY_BRL_DOT3 0x1f3
522 #define KEY_BRL_DOT4 0x1f4
523 #define KEY_BRL_DOT5 0x1f5
524 #define KEY_BRL_DOT6 0x1f6
525 #define KEY_BRL_DOT7 0x1f7
526 #define KEY_BRL_DOT8 0x1f8
528 /* We avoid low common keys in module aliases so they don't get huge. */
529 #define KEY_MIN_INTERESTING KEY_MUTE
530 #define KEY_MAX 0x1ff
542 #define REL_HWHEEL 0x06
543 #define REL_DIAL 0x07
544 #define REL_WHEEL 0x08
545 #define REL_MISC 0x09
558 #define ABS_THROTTLE 0x06
559 #define ABS_RUDDER 0x07
560 #define ABS_WHEEL 0x08
562 #define ABS_BRAKE 0x0a
563 #define ABS_HAT0X 0x10
564 #define ABS_HAT0Y 0x11
565 #define ABS_HAT1X 0x12
566 #define ABS_HAT1Y 0x13
567 #define ABS_HAT2X 0x14
568 #define ABS_HAT2Y 0x15
569 #define ABS_HAT3X 0x16
570 #define ABS_HAT3Y 0x17
571 #define ABS_PRESSURE 0x18
572 #define ABS_DISTANCE 0x19
573 #define ABS_TILT_X 0x1a
574 #define ABS_TILT_Y 0x1b
575 #define ABS_TOOL_WIDTH 0x1c
576 #define ABS_VOLUME 0x20
577 #define ABS_MISC 0x28
584 #define SW_LID 0x00 /* set = lid shut */
585 #define SW_TABLET_MODE 0x01 /* set = tablet mode */
586 #define SW_HEADPHONE_INSERT 0x02 /* set = inserted */
593 #define MSC_SERIAL 0x00
594 #define MSC_PULSELED 0x01
595 #define MSC_GESTURE 0x02
597 #define MSC_SCAN 0x04
604 #define LED_NUML 0x00
605 #define LED_CAPSL 0x01
606 #define LED_SCROLLL 0x02
607 #define LED_COMPOSE 0x03
608 #define LED_KANA 0x04
609 #define LED_SLEEP 0x05
610 #define LED_SUSPEND 0x06
611 #define LED_MUTE 0x07
612 #define LED_MISC 0x08
613 #define LED_MAIL 0x09
614 #define LED_CHARGING 0x0a
621 #define REP_DELAY 0x00
622 #define REP_PERIOD 0x01
629 #define SND_CLICK 0x00
630 #define SND_BELL 0x01
631 #define SND_TONE 0x02
644 #define BUS_ISAPNP 0x02
647 #define BUS_BLUETOOTH 0x05
648 #define BUS_VIRTUAL 0x06
651 #define BUS_I8042 0x11
652 #define BUS_XTKBD 0x12
653 #define BUS_RS232 0x13
654 #define BUS_GAMEPORT 0x14
655 #define BUS_PARPORT 0x15
656 #define BUS_AMIGA 0x16
659 #define BUS_HOST 0x19
663 * Values describing the status of an effect
665 #define FF_STATUS_STOPPED 0x00
666 #define FF_STATUS_PLAYING 0x01
667 #define FF_STATUS_MAX 0x01
670 * Structures used in ioctls to upload effects to a device
671 * They are pieces of a bigger structure (called ff_effect)
675 * All duration values are expressed in ms. Values above 32767 ms (0x7fff)
676 * should not be used and have unspecified results.
680 * struct ff_replay - defines scheduling of the effect
681 * @length: duration of the effect
682 * @delay: delay before effect should start playing
690 * struct ff_trigger - defines what triggers the effect
691 * @button: number of the button triggering the effect
692 * @interval: controls how soon the effect can be re-triggered
700 * struct ff_envelope - generic effect envelope
701 * @attack_length: duration of the attack (ms)
702 * @attack_level: level at the beginning of the attack
703 * @fade_length: duration of fade (ms)
704 * @fade_level: level at the end of fade
706 * The @attack_level and @fade_level are absolute values; when applying
707 * envelope force-feedback core will convert to positive/negative
708 * value based on polarity of the default level of the effect.
709 * Valid range for the attack and fade levels is 0x0000 - 0x7fff
719 * struct ff_constant_effect - defines parameters of a constant effect
720 * @level: strength of the effect; may be negative
721 * @envelope: envelope data
723 struct ff_constant_effect {
725 struct ff_envelope envelope;
729 * struct ff_ramp_effect - defines parameters of a ramp effect
730 * @start_level: beginning strength of the effect; may be negative
731 * @end_level: final strength of the effect; may be negative
732 * @envelope: envelope data
734 struct ff_ramp_effect {
737 struct ff_envelope envelope;
741 * struct ff_condition_effect - defines a spring or friction effect
742 * @right_saturation: maximum level when joystick moved all way to the right
743 * @left_saturation: same for the left side
744 * @right_coeff: controls how fast the force grows when the joystick moves
746 * @left_coeff: same for the left side
747 * @deadband: size of the dead zone, where no force is produced
748 * @center: position of the dead zone
750 struct ff_condition_effect {
751 __u16 right_saturation;
752 __u16 left_saturation;
762 * struct ff_periodic_effect - defines parameters of a periodic effect
763 * @waveform: kind of the effect (wave)
764 * @period: period of the wave (ms)
765 * @magnitude: peak value
766 * @offset: mean value of the wave (roughly)
767 * @phase: 'horizontal' shift
768 * @envelope: envelope data
769 * @custom_len: number of samples (FF_CUSTOM only)
770 * @custom_data: buffer of samples (FF_CUSTOM only)
772 * Known waveforms - FF_SQUARE, FF_TRIANGLE, FF_SINE, FF_SAW_UP,
773 * FF_SAW_DOWN, FF_CUSTOM. The exact syntax FF_CUSTOM is undefined
774 * for the time being as no driver supports it yet.
776 * Note: the data pointed by custom_data is copied by the driver.
777 * You can therefore dispose of the memory after the upload/update.
779 struct ff_periodic_effect {
786 struct ff_envelope envelope;
793 * struct ff_rumble_effect - defines parameters of a periodic effect
794 * @strong_magnitude: magnitude of the heavy motor
795 * @weak_magnitude: magnitude of the light one
797 * Some rumble pads have two motors of different weight. Strong_magnitude
798 * represents the magnitude of the vibration generated by the heavy one.
800 struct ff_rumble_effect {
801 __u16 strong_magnitude;
802 __u16 weak_magnitude;
806 * struct ff_effect - defines force feedback effect
807 * @type: type of the effect (FF_CONSTANT, FF_PERIODIC, FF_RAMP, FF_SPRING,
808 * FF_FRICTION, FF_DAMPER, FF_RUMBLE, FF_INERTIA, or FF_CUSTOM)
809 * @id: an unique id assigned to an effect
810 * @direction: direction of the effect
811 * @trigger: trigger conditions (struct ff_trigger)
812 * @replay: scheduling of the effect (struct ff_replay)
813 * @u: effect-specific structure (one of ff_constant_effect, ff_ramp_effect,
814 * ff_periodic_effect, ff_condition_effect, ff_rumble_effect) further
815 * defining effect parameters
817 * This structure is sent through ioctl from the application to the driver.
818 * To create a new effect aplication should set its @id to -1; the kernel
819 * will return assigned @id which can later be used to update or delete
822 * Direction of the effect is encoded as follows:
823 * 0 deg -> 0x0000 (down)
824 * 90 deg -> 0x4000 (left)
825 * 180 deg -> 0x8000 (up)
826 * 270 deg -> 0xC000 (right)
832 struct ff_trigger trigger;
833 struct ff_replay replay;
836 struct ff_constant_effect constant;
837 struct ff_ramp_effect ramp;
838 struct ff_periodic_effect periodic;
839 struct ff_condition_effect condition[2]; /* One for each axis */
840 struct ff_rumble_effect rumble;
845 * Force feedback effect types
848 #define FF_RUMBLE 0x50
849 #define FF_PERIODIC 0x51
850 #define FF_CONSTANT 0x52
851 #define FF_SPRING 0x53
852 #define FF_FRICTION 0x54
853 #define FF_DAMPER 0x55
854 #define FF_INERTIA 0x56
857 #define FF_EFFECT_MIN FF_RUMBLE
858 #define FF_EFFECT_MAX FF_RAMP
861 * Force feedback periodic effect types
864 #define FF_SQUARE 0x58
865 #define FF_TRIANGLE 0x59
867 #define FF_SAW_UP 0x5b
868 #define FF_SAW_DOWN 0x5c
869 #define FF_CUSTOM 0x5d
871 #define FF_WAVEFORM_MIN FF_SQUARE
872 #define FF_WAVEFORM_MAX FF_CUSTOM
875 * Set ff device properties
879 #define FF_AUTOCENTER 0x61
886 * In-kernel definitions.
889 #include <linux/device.h>
890 #include <linux/fs.h>
891 #include <linux/timer.h>
892 #include <linux/mod_devicetable.h>
894 #define NBITS(x) (((x)/BITS_PER_LONG)+1)
895 #define BIT(x) (1UL<<((x)%BITS_PER_LONG))
896 #define LONG(x) ((x)/BITS_PER_LONG)
898 #define INPUT_KEYCODE(dev, scancode) ((dev->keycodesize == 1) ? ((u8*)dev->keycode)[scancode] : \
899 ((dev->keycodesize == 2) ? ((u16*)dev->keycode)[scancode] : (((u32*)dev->keycode)[scancode])))
901 #define SET_INPUT_KEYCODE(dev, scancode, val) \
903 switch (dev->keycodesize) { \
905 u8 *k = (u8 *)dev->keycode; \
906 __old = k[scancode]; \
911 u16 *k = (u16 *)dev->keycode; \
912 __old = k[scancode]; \
917 u32 *k = (u32 *)dev->keycode; \
918 __old = k[scancode]; \
934 unsigned long evbit[NBITS(EV_MAX)];
935 unsigned long keybit[NBITS(KEY_MAX)];
936 unsigned long relbit[NBITS(REL_MAX)];
937 unsigned long absbit[NBITS(ABS_MAX)];
938 unsigned long mscbit[NBITS(MSC_MAX)];
939 unsigned long ledbit[NBITS(LED_MAX)];
940 unsigned long sndbit[NBITS(SND_MAX)];
941 unsigned long ffbit[NBITS(FF_MAX)];
942 unsigned long swbit[NBITS(SW_MAX)];
944 unsigned int keycodemax;
945 unsigned int keycodesize;
948 struct ff_device *ff;
950 unsigned int repeat_key;
951 struct timer_list timer;
953 struct pt_regs *regs;
958 int abs[ABS_MAX + 1];
959 int rep[REP_MAX + 1];
961 unsigned long key[NBITS(KEY_MAX)];
962 unsigned long led[NBITS(LED_MAX)];
963 unsigned long snd[NBITS(SND_MAX)];
964 unsigned long sw[NBITS(SW_MAX)];
966 int absmax[ABS_MAX + 1];
967 int absmin[ABS_MAX + 1];
968 int absfuzz[ABS_MAX + 1];
969 int absflat[ABS_MAX + 1];
971 int (*open)(struct input_dev *dev);
972 void (*close)(struct input_dev *dev);
973 int (*flush)(struct input_dev *dev, struct file *file);
974 int (*event)(struct input_dev *dev, unsigned int type, unsigned int code, int value);
976 struct input_handle *grab;
978 struct mutex mutex; /* serializes open and close operations */
981 struct class_device cdev;
983 struct list_head h_list;
984 struct list_head node;
986 #define to_input_dev(d) container_of(d, struct input_dev, cdev)
989 * Verify that we are in sync with input_device_id mod_devicetable.h #defines
992 #if EV_MAX != INPUT_DEVICE_ID_EV_MAX
993 #error "EV_MAX and INPUT_DEVICE_ID_EV_MAX do not match"
996 #if KEY_MAX != INPUT_DEVICE_ID_KEY_MAX
997 #error "KEY_MAX and INPUT_DEVICE_ID_KEY_MAX do not match"
1000 #if REL_MAX != INPUT_DEVICE_ID_REL_MAX
1001 #error "REL_MAX and INPUT_DEVICE_ID_REL_MAX do not match"
1004 #if ABS_MAX != INPUT_DEVICE_ID_ABS_MAX
1005 #error "ABS_MAX and INPUT_DEVICE_ID_ABS_MAX do not match"
1008 #if MSC_MAX != INPUT_DEVICE_ID_MSC_MAX
1009 #error "MSC_MAX and INPUT_DEVICE_ID_MSC_MAX do not match"
1012 #if LED_MAX != INPUT_DEVICE_ID_LED_MAX
1013 #error "LED_MAX and INPUT_DEVICE_ID_LED_MAX do not match"
1016 #if SND_MAX != INPUT_DEVICE_ID_SND_MAX
1017 #error "SND_MAX and INPUT_DEVICE_ID_SND_MAX do not match"
1020 #if FF_MAX != INPUT_DEVICE_ID_FF_MAX
1021 #error "FF_MAX and INPUT_DEVICE_ID_FF_MAX do not match"
1024 #if SW_MAX != INPUT_DEVICE_ID_SW_MAX
1025 #error "SW_MAX and INPUT_DEVICE_ID_SW_MAX do not match"
1028 #define INPUT_DEVICE_ID_MATCH_DEVICE \
1029 (INPUT_DEVICE_ID_MATCH_BUS | INPUT_DEVICE_ID_MATCH_VENDOR | INPUT_DEVICE_ID_MATCH_PRODUCT)
1030 #define INPUT_DEVICE_ID_MATCH_DEVICE_AND_VERSION \
1031 (INPUT_DEVICE_ID_MATCH_DEVICE | INPUT_DEVICE_ID_MATCH_VERSION)
1033 struct input_handle;
1036 * struct input_handler - implements one of interfaces for input devices
1037 * @private: driver-specific data
1038 * @event: event handler
1039 * @connect: called when attaching a handler to an input device
1040 * @disconnect: disconnects a handler from input device
1041 * @start: starts handler for given handle. This function is called by
1042 * input core right after connect() method and also when a process
1043 * that "grabbed" a device releases it
1044 * @fops: file operations this driver implements
1045 * @minor: beginning of range of 32 minors for devices this driver
1047 * @name: name of the handler, to be shown in /proc/bus/input/handlers
1048 * @id_table: pointer to a table of input_device_ids this driver can
1050 * @blacklist: prointer to a table of input_device_ids this driver should
1051 * ignore even if they match @id_table
1052 * @h_list: list of input handles associated with the handler
1053 * @node: for placing the driver onto input_handler_list
1055 struct input_handler {
1059 void (*event)(struct input_handle *handle, unsigned int type, unsigned int code, int value);
1060 struct input_handle* (*connect)(struct input_handler *handler, struct input_dev *dev, const struct input_device_id *id);
1061 void (*disconnect)(struct input_handle *handle);
1062 void (*start)(struct input_handle *handle);
1064 const struct file_operations *fops;
1068 const struct input_device_id *id_table;
1069 const struct input_device_id *blacklist;
1071 struct list_head h_list;
1072 struct list_head node;
1075 struct input_handle {
1082 struct input_dev *dev;
1083 struct input_handler *handler;
1085 struct list_head d_node;
1086 struct list_head h_node;
1089 #define to_dev(n) container_of(n,struct input_dev,node)
1090 #define to_handler(n) container_of(n,struct input_handler,node);
1091 #define to_handle(n) container_of(n,struct input_handle,d_node)
1092 #define to_handle_h(n) container_of(n,struct input_handle,h_node)
1094 struct input_dev *input_allocate_device(void);
1095 void input_free_device(struct input_dev *dev);
1097 static inline struct input_dev *input_get_device(struct input_dev *dev)
1099 return to_input_dev(class_device_get(&dev->cdev));
1102 static inline void input_put_device(struct input_dev *dev)
1104 class_device_put(&dev->cdev);
1107 int input_register_device(struct input_dev *);
1108 void input_unregister_device(struct input_dev *);
1110 int input_register_handler(struct input_handler *);
1111 void input_unregister_handler(struct input_handler *);
1113 int input_grab_device(struct input_handle *);
1114 void input_release_device(struct input_handle *);
1116 int input_open_device(struct input_handle *);
1117 void input_close_device(struct input_handle *);
1119 int input_flush_device(struct input_handle* handle, struct file* file);
1121 void input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value);
1122 void input_inject_event(struct input_handle *handle, unsigned int type, unsigned int code, int value);
1124 static inline void input_report_key(struct input_dev *dev, unsigned int code, int value)
1126 input_event(dev, EV_KEY, code, !!value);
1129 static inline void input_report_rel(struct input_dev *dev, unsigned int code, int value)
1131 input_event(dev, EV_REL, code, value);
1134 static inline void input_report_abs(struct input_dev *dev, unsigned int code, int value)
1136 input_event(dev, EV_ABS, code, value);
1139 static inline void input_report_ff_status(struct input_dev *dev, unsigned int code, int value)
1141 input_event(dev, EV_FF_STATUS, code, value);
1144 static inline void input_report_switch(struct input_dev *dev, unsigned int code, int value)
1146 input_event(dev, EV_SW, code, !!value);
1149 static inline void input_regs(struct input_dev *dev, struct pt_regs *regs)
1154 static inline void input_sync(struct input_dev *dev)
1156 input_event(dev, EV_SYN, SYN_REPORT, 0);
1160 static inline void input_set_abs_params(struct input_dev *dev, int axis, int min, int max, int fuzz, int flat)
1162 dev->absmin[axis] = min;
1163 dev->absmax[axis] = max;
1164 dev->absfuzz[axis] = fuzz;
1165 dev->absflat[axis] = flat;
1167 dev->absbit[LONG(axis)] |= BIT(axis);
1170 extern struct class input_class;
1173 * struct ff_device - force-feedback part of an input device
1174 * @upload: Called to upload an new effect into device
1175 * @erase: Called to erase an effect from device
1176 * @playback: Called to request device to start playing specified effect
1177 * @set_gain: Called to set specified gain
1178 * @set_autocenter: Called to auto-center device
1179 * @destroy: called by input core when parent input device is being
1181 * @private: driver-specific data, will be freed automatically
1182 * @ffbit: bitmap of force feedback capabilities truly supported by
1183 * device (not emulated like ones in input_dev->ffbit)
1184 * @mutex: mutex for serializing access to the device
1185 * @max_effects: maximum number of effects supported by device
1186 * @effects: pointer to an array of effects currently loaded into device
1187 * @effect_owners: array of effect owners; when file handle owning
1188 * an effect gets closed the effcet is automatically erased
1190 * Every force-feedback device must implement upload() and playback()
1191 * methods; erase() is optional. set_gain() and set_autocenter() need
1192 * only be implemented if driver sets up FF_GAIN and FF_AUTOCENTER
1196 int (*upload)(struct input_dev *dev, struct ff_effect *effect,
1197 struct ff_effect *old);
1198 int (*erase)(struct input_dev *dev, int effect_id);
1200 int (*playback)(struct input_dev *dev, int effect_id, int value);
1201 void (*set_gain)(struct input_dev *dev, u16 gain);
1202 void (*set_autocenter)(struct input_dev *dev, u16 magnitude);
1204 void (*destroy)(struct ff_device *);
1208 unsigned long ffbit[NBITS(FF_MAX)];
1213 struct ff_effect *effects;
1214 struct file *effect_owners[];
1217 int input_ff_create(struct input_dev *dev, int max_effects);
1218 void input_ff_destroy(struct input_dev *dev);
1220 int input_ff_event(struct input_dev *dev, unsigned int type, unsigned int code, int value);
1222 int input_ff_upload(struct input_dev *dev, struct ff_effect *effect, struct file *file);
1223 int input_ff_erase(struct input_dev *dev, int effect_id, struct file *file);
1225 int input_ff_create_memless(struct input_dev *dev, void *data,
1226 int (*play_effect)(struct input_dev *, void *, struct ff_effect *));