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>
15 #include <linux/device.h>
16 #include <linux/mod_devicetable.h>
19 #include <sys/ioctl.h>
20 #include <asm/types.h>
24 * The event structure itself
38 #define EV_VERSION 0x010000
41 * IOCTLs (0x00 - 0x7f)
51 struct input_absinfo
{
59 #define EVIOCGVERSION _IOR('E', 0x01, int) /* get driver version */
60 #define EVIOCGID _IOR('E', 0x02, struct input_id) /* get device ID */
61 #define EVIOCGKEYCODE _IOR('E', 0x04, int[2]) /* get keycode */
62 #define EVIOCSKEYCODE _IOW('E', 0x04, int[2]) /* set keycode */
64 #define EVIOCGNAME(len) _IOC(_IOC_READ, 'E', 0x06, len) /* get device name */
65 #define EVIOCGPHYS(len) _IOC(_IOC_READ, 'E', 0x07, len) /* get physical location */
66 #define EVIOCGUNIQ(len) _IOC(_IOC_READ, 'E', 0x08, len) /* get unique identifier */
68 #define EVIOCGKEY(len) _IOC(_IOC_READ, 'E', 0x18, len) /* get global keystate */
69 #define EVIOCGLED(len) _IOC(_IOC_READ, 'E', 0x19, len) /* get all LEDs */
70 #define EVIOCGSND(len) _IOC(_IOC_READ, 'E', 0x1a, len) /* get all sounds status */
71 #define EVIOCGSW(len) _IOC(_IOC_READ, 'E', 0x1b, len) /* get all switch states */
73 #define EVIOCGBIT(ev,len) _IOC(_IOC_READ, 'E', 0x20 + ev, len) /* get event bits */
74 #define EVIOCGABS(abs) _IOR('E', 0x40 + abs, struct input_absinfo) /* get abs value/limits */
75 #define EVIOCSABS(abs) _IOW('E', 0xc0 + abs, struct input_absinfo) /* set abs value/limits */
77 #define EVIOCSFF _IOC(_IOC_WRITE, 'E', 0x80, sizeof(struct ff_effect)) /* send a force effect to a force feedback device */
78 #define EVIOCRMFF _IOW('E', 0x81, int) /* Erase a force effect */
79 #define EVIOCGEFFECTS _IOR('E', 0x84, int) /* Report number of effects playable at the same time */
81 #define EVIOCGRAB _IOW('E', 0x90, int) /* Grab/Release device */
98 #define EV_FF_STATUS 0x17
102 * Synchronization events.
112 #define KEY_RESERVED 0
126 #define KEY_BACKSPACE 14
138 #define KEY_LEFTBRACE 26
139 #define KEY_RIGHTBRACE 27
141 #define KEY_LEFTCTRL 29
151 #define KEY_SEMICOLON 39
152 #define KEY_APOSTROPHE 40
154 #define KEY_LEFTSHIFT 42
155 #define KEY_BACKSLASH 43
166 #define KEY_RIGHTSHIFT 54
167 #define KEY_KPASTERISK 55
168 #define KEY_LEFTALT 56
170 #define KEY_CAPSLOCK 58
181 #define KEY_NUMLOCK 69
182 #define KEY_SCROLLLOCK 70
186 #define KEY_KPMINUS 74
190 #define KEY_KPPLUS 78
197 #define KEY_ZENKAKUHANKAKU 85
202 #define KEY_KATAKANA 90
203 #define KEY_HIRAGANA 91
204 #define KEY_HENKAN 92
205 #define KEY_KATAKANAHIRAGANA 93
206 #define KEY_MUHENKAN 94
207 #define KEY_KPJPCOMMA 95
208 #define KEY_KPENTER 96
209 #define KEY_RIGHTCTRL 97
210 #define KEY_KPSLASH 98
212 #define KEY_RIGHTALT 100
213 #define KEY_LINEFEED 101
216 #define KEY_PAGEUP 104
218 #define KEY_RIGHT 106
221 #define KEY_PAGEDOWN 109
222 #define KEY_INSERT 110
223 #define KEY_DELETE 111
224 #define KEY_MACRO 112
226 #define KEY_VOLUMEDOWN 114
227 #define KEY_VOLUMEUP 115
228 #define KEY_POWER 116
229 #define KEY_KPEQUAL 117
230 #define KEY_KPPLUSMINUS 118
231 #define KEY_PAUSE 119
233 #define KEY_KPCOMMA 121
234 #define KEY_HANGUEL 122
235 #define KEY_HANJA 123
237 #define KEY_LEFTMETA 125
238 #define KEY_RIGHTMETA 126
239 #define KEY_COMPOSE 127
242 #define KEY_AGAIN 129
243 #define KEY_PROPS 130
245 #define KEY_FRONT 132
248 #define KEY_PASTE 135
254 #define KEY_SETUP 141
255 #define KEY_SLEEP 142
256 #define KEY_WAKEUP 143
258 #define KEY_SENDFILE 145
259 #define KEY_DELETEFILE 146
261 #define KEY_PROG1 148
262 #define KEY_PROG2 149
264 #define KEY_MSDOS 151
265 #define KEY_COFFEE 152
266 #define KEY_DIRECTION 153
267 #define KEY_CYCLEWINDOWS 154
269 #define KEY_BOOKMARKS 156
270 #define KEY_COMPUTER 157
272 #define KEY_FORWARD 159
273 #define KEY_CLOSECD 160
274 #define KEY_EJECTCD 161
275 #define KEY_EJECTCLOSECD 162
276 #define KEY_NEXTSONG 163
277 #define KEY_PLAYPAUSE 164
278 #define KEY_PREVIOUSSONG 165
279 #define KEY_STOPCD 166
280 #define KEY_RECORD 167
281 #define KEY_REWIND 168
282 #define KEY_PHONE 169
284 #define KEY_CONFIG 171
285 #define KEY_HOMEPAGE 172
286 #define KEY_REFRESH 173
290 #define KEY_SCROLLUP 177
291 #define KEY_SCROLLDOWN 178
292 #define KEY_KPLEFTPAREN 179
293 #define KEY_KPRIGHTPAREN 180
310 #define KEY_PLAYCD 200
311 #define KEY_PAUSECD 201
312 #define KEY_PROG3 202
313 #define KEY_PROG4 203
314 #define KEY_SUSPEND 205
315 #define KEY_CLOSE 206
317 #define KEY_FASTFORWARD 208
318 #define KEY_BASSBOOST 209
319 #define KEY_PRINT 210
321 #define KEY_CAMERA 212
322 #define KEY_SOUND 213
323 #define KEY_QUESTION 214
324 #define KEY_EMAIL 215
326 #define KEY_SEARCH 217
327 #define KEY_CONNECT 218
328 #define KEY_FINANCE 219
329 #define KEY_SPORT 220
331 #define KEY_ALTERASE 222
332 #define KEY_CANCEL 223
333 #define KEY_BRIGHTNESSDOWN 224
334 #define KEY_BRIGHTNESSUP 225
335 #define KEY_MEDIA 226
337 #define KEY_SWITCHVIDEOMODE 227
338 #define KEY_KBDILLUMTOGGLE 228
339 #define KEY_KBDILLUMDOWN 229
340 #define KEY_KBDILLUMUP 230
343 #define KEY_REPLY 232
344 #define KEY_FORWARDMAIL 233
346 #define KEY_DOCUMENTS 235
348 #define KEY_UNKNOWN 240
350 #define BTN_MISC 0x100
362 #define BTN_MOUSE 0x110
363 #define BTN_LEFT 0x110
364 #define BTN_RIGHT 0x111
365 #define BTN_MIDDLE 0x112
366 #define BTN_SIDE 0x113
367 #define BTN_EXTRA 0x114
368 #define BTN_FORWARD 0x115
369 #define BTN_BACK 0x116
370 #define BTN_TASK 0x117
372 #define BTN_JOYSTICK 0x120
373 #define BTN_TRIGGER 0x120
374 #define BTN_THUMB 0x121
375 #define BTN_THUMB2 0x122
376 #define BTN_TOP 0x123
377 #define BTN_TOP2 0x124
378 #define BTN_PINKIE 0x125
379 #define BTN_BASE 0x126
380 #define BTN_BASE2 0x127
381 #define BTN_BASE3 0x128
382 #define BTN_BASE4 0x129
383 #define BTN_BASE5 0x12a
384 #define BTN_BASE6 0x12b
385 #define BTN_DEAD 0x12f
387 #define BTN_GAMEPAD 0x130
396 #define BTN_TL2 0x138
397 #define BTN_TR2 0x139
398 #define BTN_SELECT 0x13a
399 #define BTN_START 0x13b
400 #define BTN_MODE 0x13c
401 #define BTN_THUMBL 0x13d
402 #define BTN_THUMBR 0x13e
404 #define BTN_DIGI 0x140
405 #define BTN_TOOL_PEN 0x140
406 #define BTN_TOOL_RUBBER 0x141
407 #define BTN_TOOL_BRUSH 0x142
408 #define BTN_TOOL_PENCIL 0x143
409 #define BTN_TOOL_AIRBRUSH 0x144
410 #define BTN_TOOL_FINGER 0x145
411 #define BTN_TOOL_MOUSE 0x146
412 #define BTN_TOOL_LENS 0x147
413 #define BTN_TOUCH 0x14a
414 #define BTN_STYLUS 0x14b
415 #define BTN_STYLUS2 0x14c
416 #define BTN_TOOL_DOUBLETAP 0x14d
417 #define BTN_TOOL_TRIPLETAP 0x14e
419 #define BTN_WHEEL 0x150
420 #define BTN_GEAR_DOWN 0x150
421 #define BTN_GEAR_UP 0x151
424 #define KEY_SELECT 0x161
425 #define KEY_GOTO 0x162
426 #define KEY_CLEAR 0x163
427 #define KEY_POWER2 0x164
428 #define KEY_OPTION 0x165
429 #define KEY_INFO 0x166
430 #define KEY_TIME 0x167
431 #define KEY_VENDOR 0x168
432 #define KEY_ARCHIVE 0x169
433 #define KEY_PROGRAM 0x16a
434 #define KEY_CHANNEL 0x16b
435 #define KEY_FAVORITES 0x16c
436 #define KEY_EPG 0x16d
437 #define KEY_PVR 0x16e
438 #define KEY_MHP 0x16f
439 #define KEY_LANGUAGE 0x170
440 #define KEY_TITLE 0x171
441 #define KEY_SUBTITLE 0x172
442 #define KEY_ANGLE 0x173
443 #define KEY_ZOOM 0x174
444 #define KEY_MODE 0x175
445 #define KEY_KEYBOARD 0x176
446 #define KEY_SCREEN 0x177
449 #define KEY_TV2 0x17a
450 #define KEY_VCR 0x17b
451 #define KEY_VCR2 0x17c
452 #define KEY_SAT 0x17d
453 #define KEY_SAT2 0x17e
455 #define KEY_TAPE 0x180
456 #define KEY_RADIO 0x181
457 #define KEY_TUNER 0x182
458 #define KEY_PLAYER 0x183
459 #define KEY_TEXT 0x184
460 #define KEY_DVD 0x185
461 #define KEY_AUX 0x186
462 #define KEY_MP3 0x187
463 #define KEY_AUDIO 0x188
464 #define KEY_VIDEO 0x189
465 #define KEY_DIRECTORY 0x18a
466 #define KEY_LIST 0x18b
467 #define KEY_MEMO 0x18c
468 #define KEY_CALENDAR 0x18d
469 #define KEY_RED 0x18e
470 #define KEY_GREEN 0x18f
471 #define KEY_YELLOW 0x190
472 #define KEY_BLUE 0x191
473 #define KEY_CHANNELUP 0x192
474 #define KEY_CHANNELDOWN 0x193
475 #define KEY_FIRST 0x194
476 #define KEY_LAST 0x195
478 #define KEY_NEXT 0x197
479 #define KEY_RESTART 0x198
480 #define KEY_SLOW 0x199
481 #define KEY_SHUFFLE 0x19a
482 #define KEY_BREAK 0x19b
483 #define KEY_PREVIOUS 0x19c
484 #define KEY_DIGITS 0x19d
485 #define KEY_TEEN 0x19e
486 #define KEY_TWEN 0x19f
488 #define KEY_DEL_EOL 0x1c0
489 #define KEY_DEL_EOS 0x1c1
490 #define KEY_INS_LINE 0x1c2
491 #define KEY_DEL_LINE 0x1c3
494 #define KEY_FN_ESC 0x1d1
495 #define KEY_FN_F1 0x1d2
496 #define KEY_FN_F2 0x1d3
497 #define KEY_FN_F3 0x1d4
498 #define KEY_FN_F4 0x1d5
499 #define KEY_FN_F5 0x1d6
500 #define KEY_FN_F6 0x1d7
501 #define KEY_FN_F7 0x1d8
502 #define KEY_FN_F8 0x1d9
503 #define KEY_FN_F9 0x1da
504 #define KEY_FN_F10 0x1db
505 #define KEY_FN_F11 0x1dc
506 #define KEY_FN_F12 0x1dd
507 #define KEY_FN_1 0x1de
508 #define KEY_FN_2 0x1df
509 #define KEY_FN_D 0x1e0
510 #define KEY_FN_E 0x1e1
511 #define KEY_FN_F 0x1e2
512 #define KEY_FN_S 0x1e3
513 #define KEY_FN_B 0x1e4
515 /* We avoid low common keys in module aliases so they don't get huge. */
516 #define KEY_MIN_INTERESTING KEY_MUTE
517 #define KEY_MAX 0x1ff
529 #define REL_HWHEEL 0x06
530 #define REL_DIAL 0x07
531 #define REL_WHEEL 0x08
532 #define REL_MISC 0x09
545 #define ABS_THROTTLE 0x06
546 #define ABS_RUDDER 0x07
547 #define ABS_WHEEL 0x08
549 #define ABS_BRAKE 0x0a
550 #define ABS_HAT0X 0x10
551 #define ABS_HAT0Y 0x11
552 #define ABS_HAT1X 0x12
553 #define ABS_HAT1Y 0x13
554 #define ABS_HAT2X 0x14
555 #define ABS_HAT2Y 0x15
556 #define ABS_HAT3X 0x16
557 #define ABS_HAT3Y 0x17
558 #define ABS_PRESSURE 0x18
559 #define ABS_DISTANCE 0x19
560 #define ABS_TILT_X 0x1a
561 #define ABS_TILT_Y 0x1b
562 #define ABS_TOOL_WIDTH 0x1c
563 #define ABS_VOLUME 0x20
564 #define ABS_MISC 0x28
585 #define MSC_SERIAL 0x00
586 #define MSC_PULSELED 0x01
587 #define MSC_GESTURE 0x02
589 #define MSC_SCAN 0x04
596 #define LED_NUML 0x00
597 #define LED_CAPSL 0x01
598 #define LED_SCROLLL 0x02
599 #define LED_COMPOSE 0x03
600 #define LED_KANA 0x04
601 #define LED_SLEEP 0x05
602 #define LED_SUSPEND 0x06
603 #define LED_MUTE 0x07
604 #define LED_MISC 0x08
605 #define LED_MAIL 0x09
606 #define LED_CHARGING 0x0a
613 #define REP_DELAY 0x00
614 #define REP_PERIOD 0x01
621 #define SND_CLICK 0x00
622 #define SND_BELL 0x01
623 #define SND_TONE 0x02
636 #define BUS_ISAPNP 0x02
639 #define BUS_BLUETOOTH 0x05
642 #define BUS_I8042 0x11
643 #define BUS_XTKBD 0x12
644 #define BUS_RS232 0x13
645 #define BUS_GAMEPORT 0x14
646 #define BUS_PARPORT 0x15
647 #define BUS_AMIGA 0x16
650 #define BUS_HOST 0x19
654 * Values describing the status of an effect
656 #define FF_STATUS_STOPPED 0x00
657 #define FF_STATUS_PLAYING 0x01
658 #define FF_STATUS_MAX 0x01
661 * Structures used in ioctls to upload effects to a device
662 * The first structures are not passed directly by using ioctls.
663 * They are sub-structures of the actually sent structure (called ff_effect)
667 __u16 length
; /* Duration of an effect in ms. All other times are also expressed in ms */
668 __u16 delay
; /* Time to wait before to start playing an effect */
672 __u16 button
; /* Number of button triggering an effect */
673 __u16 interval
; /* Time to wait before an effect can be re-triggered (ms) */
677 __u16 attack_length
; /* Duration of attack (ms) */
678 __u16 attack_level
; /* Level at beginning of attack */
679 __u16 fade_length
; /* Duration of fade (ms) */
680 __u16 fade_level
; /* Level at end of fade */
684 struct ff_constant_effect
{
685 __s16 level
; /* Strength of effect. Negative values are OK */
686 struct ff_envelope envelope
;
690 struct ff_ramp_effect
{
693 struct ff_envelope envelope
;
696 /* FF_SPRING of FF_FRICTION */
697 struct ff_condition_effect
{
698 __u16 right_saturation
; /* Max level when joystick is on the right */
699 __u16 left_saturation
; /* Max level when joystick in on the left */
701 __s16 right_coeff
; /* Indicates how fast the force grows when the
702 joystick moves to the right */
703 __s16 left_coeff
; /* Same for left side */
705 __u16 deadband
; /* Size of area where no force is produced */
706 __s16 center
; /* Position of dead zone */
711 struct ff_periodic_effect
{
712 __u16 waveform
; /* Kind of wave (sine, square...) */
713 __u16 period
; /* in ms */
714 __s16 magnitude
; /* Peak value */
715 __s16 offset
; /* Mean value of wave (roughly) */
716 __u16 phase
; /* 'Horizontal' shift */
718 struct ff_envelope envelope
;
720 /* Only used if waveform == FF_CUSTOM */
721 __u32 custom_len
; /* Number of samples */
722 __s16
*custom_data
; /* Buffer of samples */
723 /* Note: the data pointed by custom_data is copied by the driver. You can
724 * therefore dispose of the memory after the upload/update */
728 /* Some rumble pads have two motors of different weight.
729 strong_magnitude represents the magnitude of the vibration generated
732 struct ff_rumble_effect
{
733 __u16 strong_magnitude
; /* Magnitude of the heavy motor */
734 __u16 weak_magnitude
; /* Magnitude of the light one */
738 * Structure sent through ioctl from the application to the driver
742 /* Following field denotes the unique id assigned to an effect.
743 * If user sets if to -1, a new effect is created, and its id is returned in the same field
744 * Else, the user sets it to the effect id it wants to update.
748 __u16 direction
; /* Direction. 0 deg -> 0x0000 (down)
749 90 deg -> 0x4000 (left)
750 180 deg -> 0x8000 (up)
751 270 deg -> 0xC000 (right)
754 struct ff_trigger trigger
;
755 struct ff_replay replay
;
758 struct ff_constant_effect constant
;
759 struct ff_ramp_effect ramp
;
760 struct ff_periodic_effect periodic
;
761 struct ff_condition_effect condition
[2]; /* One for each axis */
762 struct ff_rumble_effect rumble
;
767 * Force feedback effect types
770 #define FF_RUMBLE 0x50
771 #define FF_PERIODIC 0x51
772 #define FF_CONSTANT 0x52
773 #define FF_SPRING 0x53
774 #define FF_FRICTION 0x54
775 #define FF_DAMPER 0x55
776 #define FF_INERTIA 0x56
780 * Force feedback periodic effect types
783 #define FF_SQUARE 0x58
784 #define FF_TRIANGLE 0x59
786 #define FF_SAW_UP 0x5b
787 #define FF_SAW_DOWN 0x5c
788 #define FF_CUSTOM 0x5d
791 * Set ff device properties
795 #define FF_AUTOCENTER 0x61
799 struct input_device_id
{
801 kernel_ulong_t flags
;
805 kernel_ulong_t evbit
[EV_MAX
/BITS_PER_LONG
+1];
806 kernel_ulong_t keybit
[KEY_MAX
/BITS_PER_LONG
+1];
807 kernel_ulong_t relbit
[REL_MAX
/BITS_PER_LONG
+1];
808 kernel_ulong_t absbit
[ABS_MAX
/BITS_PER_LONG
+1];
809 kernel_ulong_t mscbit
[MSC_MAX
/BITS_PER_LONG
+1];
810 kernel_ulong_t ledbit
[LED_MAX
/BITS_PER_LONG
+1];
811 kernel_ulong_t sndbit
[SND_MAX
/BITS_PER_LONG
+1];
812 kernel_ulong_t ffbit
[FF_MAX
/BITS_PER_LONG
+1];
813 kernel_ulong_t swbit
[SW_MAX
/BITS_PER_LONG
+1];
815 kernel_ulong_t driver_info
;
819 * Structure for hotplug & device<->driver matching.
822 #define INPUT_DEVICE_ID_MATCH_BUS 1
823 #define INPUT_DEVICE_ID_MATCH_VENDOR 2
824 #define INPUT_DEVICE_ID_MATCH_PRODUCT 4
825 #define INPUT_DEVICE_ID_MATCH_VERSION 8
827 #define INPUT_DEVICE_ID_MATCH_EVBIT 0x010
828 #define INPUT_DEVICE_ID_MATCH_KEYBIT 0x020
829 #define INPUT_DEVICE_ID_MATCH_RELBIT 0x040
830 #define INPUT_DEVICE_ID_MATCH_ABSBIT 0x080
831 #define INPUT_DEVICE_ID_MATCH_MSCIT 0x100
832 #define INPUT_DEVICE_ID_MATCH_LEDBIT 0x200
833 #define INPUT_DEVICE_ID_MATCH_SNDBIT 0x400
834 #define INPUT_DEVICE_ID_MATCH_FFBIT 0x800
835 #define INPUT_DEVICE_ID_MATCH_SWBIT 0x1000
840 * In-kernel definitions.
843 #include <linux/fs.h>
844 #include <linux/timer.h>
846 #define NBITS(x) (((x)/BITS_PER_LONG)+1)
847 #define BIT(x) (1UL<<((x)%BITS_PER_LONG))
848 #define LONG(x) ((x)/BITS_PER_LONG)
850 #define INPUT_KEYCODE(dev, scancode) ((dev->keycodesize == 1) ? ((u8*)dev->keycode)[scancode] : \
851 ((dev->keycodesize == 2) ? ((u16*)dev->keycode)[scancode] : (((u32*)dev->keycode)[scancode])))
853 #define SET_INPUT_KEYCODE(dev, scancode, val) \
855 switch (dev->keycodesize) { \
857 u8 *k = (u8 *)dev->keycode; \
858 __old = k[scancode]; \
863 u16 *k = (u16 *)dev->keycode; \
864 __old = k[scancode]; \
869 u32 *k = (u32 *)dev->keycode; \
870 __old = k[scancode]; \
886 unsigned long evbit
[NBITS(EV_MAX
)];
887 unsigned long keybit
[NBITS(KEY_MAX
)];
888 unsigned long relbit
[NBITS(REL_MAX
)];
889 unsigned long absbit
[NBITS(ABS_MAX
)];
890 unsigned long mscbit
[NBITS(MSC_MAX
)];
891 unsigned long ledbit
[NBITS(LED_MAX
)];
892 unsigned long sndbit
[NBITS(SND_MAX
)];
893 unsigned long ffbit
[NBITS(FF_MAX
)];
894 unsigned long swbit
[NBITS(SW_MAX
)];
897 unsigned int keycodemax
;
898 unsigned int keycodesize
;
901 unsigned int repeat_key
;
902 struct timer_list timer
;
904 struct pt_regs
*regs
;
909 int abs
[ABS_MAX
+ 1];
910 int rep
[REP_MAX
+ 1];
912 unsigned long key
[NBITS(KEY_MAX
)];
913 unsigned long led
[NBITS(LED_MAX
)];
914 unsigned long snd
[NBITS(SND_MAX
)];
915 unsigned long sw
[NBITS(SW_MAX
)];
917 int absmax
[ABS_MAX
+ 1];
918 int absmin
[ABS_MAX
+ 1];
919 int absfuzz
[ABS_MAX
+ 1];
920 int absflat
[ABS_MAX
+ 1];
922 int (*open
)(struct input_dev
*dev
);
923 void (*close
)(struct input_dev
*dev
);
924 int (*accept
)(struct input_dev
*dev
, struct file
*file
);
925 int (*flush
)(struct input_dev
*dev
, struct file
*file
);
926 int (*event
)(struct input_dev
*dev
, unsigned int type
, unsigned int code
, int value
);
927 int (*upload_effect
)(struct input_dev
*dev
, struct ff_effect
*effect
);
928 int (*erase_effect
)(struct input_dev
*dev
, int effect_id
);
930 struct input_handle
*grab
;
932 struct mutex mutex
; /* serializes open and close operations */
935 struct class_device cdev
;
936 struct device
*dev
; /* will be removed soon */
938 int dynalloc
; /* temporarily */
940 struct list_head h_list
;
941 struct list_head node
;
943 #define to_input_dev(d) container_of(d, struct input_dev, cdev)
945 #define INPUT_DEVICE_ID_MATCH_DEVICE\
946 (INPUT_DEVICE_ID_MATCH_BUS | INPUT_DEVICE_ID_MATCH_VENDOR | INPUT_DEVICE_ID_MATCH_PRODUCT)
947 #define INPUT_DEVICE_ID_MATCH_DEVICE_AND_VERSION\
948 (INPUT_DEVICE_ID_MATCH_DEVICE | INPUT_DEVICE_ID_MATCH_VERSION)
952 struct input_handler
{
956 void (*event
)(struct input_handle
*handle
, unsigned int type
, unsigned int code
, int value
);
957 struct input_handle
* (*connect
)(struct input_handler
*handler
, struct input_dev
*dev
, struct input_device_id
*id
);
958 void (*disconnect
)(struct input_handle
*handle
);
960 struct file_operations
*fops
;
964 struct input_device_id
*id_table
;
965 struct input_device_id
*blacklist
;
967 struct list_head h_list
;
968 struct list_head node
;
971 struct input_handle
{
978 struct input_dev
*dev
;
979 struct input_handler
*handler
;
981 struct list_head d_node
;
982 struct list_head h_node
;
985 #define to_dev(n) container_of(n,struct input_dev,node)
986 #define to_handler(n) container_of(n,struct input_handler,node);
987 #define to_handle(n) container_of(n,struct input_handle,d_node)
988 #define to_handle_h(n) container_of(n,struct input_handle,h_node)
990 static inline void init_input_dev(struct input_dev
*dev
)
992 INIT_LIST_HEAD(&dev
->h_list
);
993 INIT_LIST_HEAD(&dev
->node
);
996 struct input_dev
*input_allocate_device(void);
998 static inline struct input_dev
*input_get_device(struct input_dev
*dev
)
1000 return to_input_dev(class_device_get(&dev
->cdev
));
1003 static inline void input_put_device(struct input_dev
*dev
)
1005 class_device_put(&dev
->cdev
);
1008 static inline void input_free_device(struct input_dev
*dev
)
1010 input_put_device(dev
);
1013 int input_register_device(struct input_dev
*);
1014 void input_unregister_device(struct input_dev
*);
1016 void input_register_handler(struct input_handler
*);
1017 void input_unregister_handler(struct input_handler
*);
1019 int input_grab_device(struct input_handle
*);
1020 void input_release_device(struct input_handle
*);
1022 int input_open_device(struct input_handle
*);
1023 void input_close_device(struct input_handle
*);
1025 int input_accept_process(struct input_handle
*handle
, struct file
*file
);
1026 int input_flush_device(struct input_handle
* handle
, struct file
* file
);
1028 void input_event(struct input_dev
*dev
, unsigned int type
, unsigned int code
, int value
);
1030 static inline void input_report_key(struct input_dev
*dev
, unsigned int code
, int value
)
1032 input_event(dev
, EV_KEY
, code
, !!value
);
1035 static inline void input_report_rel(struct input_dev
*dev
, unsigned int code
, int value
)
1037 input_event(dev
, EV_REL
, code
, value
);
1040 static inline void input_report_abs(struct input_dev
*dev
, unsigned int code
, int value
)
1042 input_event(dev
, EV_ABS
, code
, value
);
1045 static inline void input_report_ff(struct input_dev
*dev
, unsigned int code
, int value
)
1047 input_event(dev
, EV_FF
, code
, value
);
1050 static inline void input_report_ff_status(struct input_dev
*dev
, unsigned int code
, int value
)
1052 input_event(dev
, EV_FF_STATUS
, code
, value
);
1055 static inline void input_report_switch(struct input_dev
*dev
, unsigned int code
, int value
)
1057 input_event(dev
, EV_SW
, code
, !!value
);
1060 static inline void input_regs(struct input_dev
*dev
, struct pt_regs
*regs
)
1065 static inline void input_sync(struct input_dev
*dev
)
1067 input_event(dev
, EV_SYN
, SYN_REPORT
, 0);
1071 static inline void input_set_abs_params(struct input_dev
*dev
, int axis
, int min
, int max
, int fuzz
, int flat
)
1073 dev
->absmin
[axis
] = min
;
1074 dev
->absmax
[axis
] = max
;
1075 dev
->absfuzz
[axis
] = fuzz
;
1076 dev
->absflat
[axis
] = flat
;
1078 dev
->absbit
[LONG(axis
)] |= BIT(axis
);
1081 extern struct class input_class
;