include/uapi/linux/input-event-codes.h

Device properties (and quirks)

The following device properties (and per comment also quirks) are #defined:

`INPUT_PROP_POINTER`	`0x00`	needs a pointer
`INPUT_PROP_DIRECT`	`0x01`	direct input devices
`INPUT_PROP_BUTTONPAD`	`0x02`	has button(s) under pad
`INPUT_PROP_SEMI_MT`	`0x03`	touch rectangle only
`INPUT_PROP_TOPBUTTONPAD`	`0x04`	softbuttons at top of pad
`INPUT_PROP_POINTING_STICK`	`0x05`	is a pointing stick
`INPUT_PROP_ACCELEROMETER`	`0x06`	has accelerometer

Event types

`EV_SYN`	`0x00`
`EV_KEY`	`0x01`	The most simple event type. Despite its name, it is used for keys and buttons
`EV_REL`, `EV_ABS`	`0x02`, `0x03`	Also basic event types. These are used for relative and absolute values supplied by the device. Typical relative values are mouse movements. Typical absolute values are those reported by joysticks and digitizers.
`EV_MSC`	`0x04`
`EV_SW`	`0x05`
`EV_LED`	`0x11`	Keyboard LEDs
`EV_SND`	`0x12`	Keyboard beeps
`EV_REP`	`0x14`	used to enable autorepead for a device
`EV_FF`	`0x15`
`EV_PWR`	`0x16`
`EV_FF_STATUS`	`0x17`
`EV_MAX`	`0x1f`
`EV_CNT`	`(EV_MAX+1)`

Synchronization events

`SYN_REPORT`	`0`
`SYN_CONFIG`	`1`
`SYN_MT_REPORT`	`2`
`SYN_DROPPED`	`3`	Sent when the process does not read events fast enough so that the Kernel has to drop events.
`SYN_MAX`	`0xf`
`SYN_CNT`	`(SYN_MAX+1)`

Keys and buttons

Most the keys and buttons are modeled after USB HUT 1.12.

Abbreviations used below:

AC: Application Control
AL: Application Launch Button
SC: System Control

Keys

`KEY_RESERVED`	0
`KEY_ESC`	1
`KEY_1` … `KEY_0`	2 … 11
`KEY_MINUS`	12
`KEY_EQUAL`	13
`KEY_BACKSPACE`	14
`KEY_TAB`	15
`KEY_Q` … `KEY_P`	16 … 25
`KEY_LEFTBRACE`	26
`KEY_RIGHTBRACE`	27
`KEY_ENTER`	28
`KEY_LEFTCTRL`	29
`KEY_A` … `KEY_L`	30 … 38
`KEY_SEMICOLON`	39
`KEY_APOSTROPHE`	40
`KEY_GRAVE`	41
`KEY_LEFTSHIFT`	42
`KEY_BACKSLASH`	43
`KEY_Z` … `KEY_M`	44 … 50
`KEY_COMMA`	51
`KEY_DOT`	52
`KEY_SLASH`	53	Compare with `KEY_KPSLASH`
`KEY_RIGHTSHIFT`	54
`KEY_KPASTERISK`	55
`KEY_LEFTALT`	56
`KEY_SPACE`	57
`KEY_CAPSLOCK`	58
`KEY_F1` … `KEY_F10`	59 … 68
`KEY_NUMLOCK`	69
`KEY_SCROLLLOCK`	70
`KEY_KP7`	71	KP = Key Pad
`KEY_KP8`	72
`KEY_KP9`	73
`KEY_KPMINUS`	74
`KEY_KP4`	75
`KEY_KP5`	76
`KEY_KP6`	77
`KEY_KPPLUS`	78
`KEY_KP1`	79
`KEY_KP2`	80
`KEY_KP3`	81
`KEY_KP0`	82
`KEY_KPDOT`	83
`KEY_ZENKAKUHANKAKU`	85
`KEY_102ND`	86	On my current keyboard: the key between `KEY_LEFTSHIFT` and `KEY_Z`
`KEY_F11`	87
`KEY_F12`	88
`KEY_RO`	89
`KEY_KATAKANA`	90
`KEY_HIRAGANA`	91
`KEY_HENKAN`	92
`KEY_KATAKANAHIRAGANA`	93
`KEY_MUHENKAN`	94
`KEY_KPJPCOMMA`	95
`KEY_KPENTER`	96
`KEY_RIGHTCTRL`	97
`KEY_KPSLASH`	98	Compare with `KEY_SLASH`
`KEY_SYSRQ`	99	Print Screen / SysRq (Does Rq stand for request?)
`KEY_RIGHTALT`	100
`KEY_LINEFEED`	101
`KEY_HOME`	102
`KEY_UP`, `KEY_LEFT`, `KEY_RIGHT`, `KEY_DOWN`	103, 105, 106, 108
`KEY_PAGEUP`	104
`KEY_END`	107
`KEY_PAGEDOWN`	109
`KEY_INSERT`	110
`KEY_DELETE`	111
`KEY_MACRO`	112
`KEY_MUTE`	113
`KEY_VOLUMEDOWN`	114
`KEY_VOLUMEUP`	115
`KEY_POWER`	116	SC System Power Down
`KEY_KPEQUAL`	117
`KEY_KPPLUSMINUS`	118
`KEY_PAUSE`	119	Pause/Break
`KEY_SCALE`	120	AL Compiz Scale (Expose)
`KEY_KPCOMMA`	121
`KEY_HANGEUL`	122
`KEY_HANGUEL`	`KEY_HANGEUL`
`KEY_HANJA`	123
`KEY_YEN`	124
`KEY_LEFTMETA`, `KEY_RIGHTMETA`	125, 126	The so-called Windows-keys.
`KEY_COMPOSE`	127	On my current keyboard: The key to the right of `KEY_RIGHTMETA` (i. e. between the so-called Windows key and the right Ctrl key)On my current keyboard: The key to the right of `KEY_RIGHTMETA` (i. e. between the so-called Windows key and the right Ctrl key)
`KEY_STOP`	128	AC Stop
`KEY_AGAIN`	129
`KEY_PROPS`	130	AC Properties
`KEY_UNDO`	131	AC Undo
`KEY_FRONT`	132
`KEY_COPY`	133	AC Copy
`KEY_OPEN`	134	AC Open
`KEY_PASTE`	135	AC Paste
`KEY_FIND`	136	AC Search
`KEY_CUT`	137	AC Cut
`KEY_HELP`	138	AL Integrated Help Center
`KEY_MENU`	139	Menu (show menu)
`KEY_CALC`	140	AL Calculator
`KEY_SETUP`	141
`KEY_SLEEP`	142	SC System Sleep
`KEY_WAKEUP`	143	System Wake Up
`KEY_FILE`	144	AL Local Machine Browser
`KEY_SENDFILE`	145
`KEY_DELETEFILE`	146
`KEY_XFER`	147
`KEY_PROG1`	148
`KEY_PROG2`	149
`KEY_WWW`	150	AL Internet Browser
`KEY_MSDOS`	151
`KEY_COFFEE`	152	AL Terminal Lock/Screensaver
`KEY_SCREENLOCK`	`KEY_COFFEE`
`KEY_ROTATE_DISPLAY`	153	Display orientation for e.g. tablets
`KEY_DIRECTION`	`KEY_ROTATE_DISPLAY`
`KEY_CYCLEWINDOWS`	154
`KEY_MAIL`	155
`KEY_BOOKMARKS`	156	AC Bookmarks
`KEY_COMPUTER`	157
`KEY_BACK`	158	AC Back
`KEY_FORWARD`	159	AC Forward
`KEY_CLOSECD`	160
`KEY_EJECTCD`	161
`KEY_EJECTCLOSECD`	162
`KEY_NEXTSONG`	163
`KEY_PLAYPAUSE`	164
`KEY_PREVIOUSSONG`	165
`KEY_STOPCD`	166
`KEY_RECORD`	167
`KEY_REWIND`	168
`KEY_PHONE`	169	Media Select Telephone
`KEY_ISO`	170
`KEY_CONFIG`	171	AL Consumer Control Configuration
`KEY_HOMEPAGE`	172	AC Home
`KEY_REFRESH`	173	AC Refresh
`KEY_EXIT`	174	AC Exit
`KEY_MOVE`	175
`KEY_EDIT`	176
`KEY_SCROLLUP`	177
`KEY_SCROLLDOWN`	178
`KEY_KPLEFTPAREN`	179
`KEY_KPRIGHTPAREN`	180
`KEY_NEW`	181	AC New
`KEY_REDO`	182	AC Redo/Repeat
`KEY_F13` … `KEY_F24`	183 … 194
`KEY_PLAYCD`	200
`KEY_PAUSECD`	201
`KEY_PROG3`	202
`KEY_PROG4`	203
`KEY_ALL_APPLICATIONS`	204	AC Desktop Show All Applications
`KEY_DASHBOARD`	`KEY_ALL_APPLICATIONS`
`KEY_SUSPEND`	205
`KEY_CLOSE`	206	AC Close
`KEY_PLAY`	207
`KEY_FASTFORWARD`	208
`KEY_BASSBOOST`	209
`KEY_PRINT`	210	AC Print
`KEY_HP`	211
`KEY_CAMERA`	212
`KEY_SOUND`	213
`KEY_QUESTION`	214
`KEY_EMAIL`	215
`KEY_CHAT`	216
`KEY_SEARCH`	217
`KEY_CONNECT`	218
`KEY_FINANCE`	219	AL Checkbook/Finance
`KEY_SPORT`	220
`KEY_SHOP`	221
`KEY_ALTERASE`	222
`KEY_CANCEL`	223	AC Cancel
`KEY_BRIGHTNESSDOWN`	224
`KEY_BRIGHTNESSUP`	225
`KEY_MEDIA`	226
`KEY_SWITCHVIDEOMODE`	227	Cycle between available video outputs (Monitor/LCD/TV-out/etc)
`KEY_KBDILLUMTOGGLE`	228
`KEY_KBDILLUMDOWN`	229
`KEY_KBDILLUMUP`	230
`KEY_SEND`	231	AC Send
`KEY_REPLY`	232	AC Reply
`KEY_FORWARDMAIL`	233	AC Forward Msg
`KEY_SAVE`	234	AC Save
`KEY_DOCUMENTS`	235
`KEY_BATTERY`	236
`KEY_BLUETOOTH`	237
`KEY_WLAN`	238
`KEY_UWB`	239
`KEY_UNKNOWN`	240
`KEY_VIDEO_NEXT`	241	drive next video source
`KEY_VIDEO_PREV`	242	drive previous video source
`KEY_BRIGHTNESS_CYCLE`	243	brightness up, after max is min
`KEY_BRIGHTNESS_AUTO`	244	Set Auto Brightness: manual brightness control is off rely on ambient
`KEY_BRIGHTNESS_ZERO`	`KEY_BRIGHTNESS_AUTO`
`KEY_DISPLAY_OFF`	245	display device to off state
`KEY_WWAN`	246	Wireless WAN (LTE, UMTS, GSM, etc.)
`KEY_WIMAX`	`KEY_WWAN`
`KEY_RFKILL`	247	Key that controls all radios
`KEY_MICMUTE`	248	Mute / unmute the microphone

Note: code 255 is reserved for special nees of the AT keyboard driver.

Buttons

`BTN_MISC`	`0x100`
`BTN_0`	`0x100`
`BTN_1`	`0x101`
`BTN_2`	`0x102`
`BTN_3`	`0x103`
`BTN_4`	`0x104`
`BTN_5`	`0x105`
`BTN_6`	`0x106`
`BTN_7`	`0x107`
`BTN_8`	`0x108`
`BTN_9`	`0x109`
`BTN_MOUSE`	`0x110`
`BTN_LEFT`	`0x110`
`BTN_RIGHT`	`0x111`
`BTN_MIDDLE`	`0x112`
`BTN_SIDE`	`0x113`
`BTN_EXTRA`	`0x114`
`BTN_FORWARD`	`0x115`
`BTN_BACK`	`0x116`
`BTN_TASK`	`0x117`
`BTN_JOYSTICK`	`0x120`
`BTN_TRIGGER`	`0x120`
`BTN_THUMB`	`0x121`
`BTN_THUMB2`	`0x122`
`BTN_TOP`	`0x123`
`BTN_TOP2`	`0x124`
`BTN_PINKIE`	`0x125`
`BTN_BASE`	`0x126`
`BTN_BASE2`	`0x127`
`BTN_BASE3`	`0x128`
`BTN_BASE4`	`0x129`
`BTN_BASE5`	`0x12a`
`BTN_BASE6`	`0x12b`
`BTN_DEAD`	`0x12f`
`BTN_GAMEPAD`	`0x130`
`BTN_SOUTH`	`0x130`
`BTN_A`	`BTN_SOUTH`
`BTN_EAST`	`0x131`
`BTN_B`	`BTN_EAST`
`BTN_C`	`0x132`
`BTN_NORTH`	`0x133`
`BTN_X`	`BTN_NORTH`
`BTN_WEST`	`0x134`
`BTN_Y`	`BTN_WEST`
`BTN_Z`	`0x135`
`BTN_TL`	`0x136`
`BTN_TR`	`0x137`
`BTN_TL2`	`0x138`
`BTN_TR2`	`0x139`
`BTN_SELECT`	`0x13a`
`BTN_START`	`0x13b`
`BTN_MODE`	`0x13c`
`BTN_THUMBL`	`0x13d`
`BTN_THUMBR`	`0x13e`
`BTN_DIGI`	`0x140`
`BTN_TOOL_PEN`	`0x140`
`BTN_TOOL_RUBBER`	`0x141`
`BTN_TOOL_BRUSH`	`0x142`
`BTN_TOOL_PENCIL`	`0x143`
`BTN_TOOL_AIRBRUSH`	`0x144`
`BTN_TOOL_FINGER`	`0x145`
`BTN_TOOL_MOUSE`	`0x146`
`BTN_TOOL_LENS`	`0x147`
`BTN_TOOL_QUINTTAP`	`0x148`	Five fingers on trackpad
`BTN_STYLUS3`	`0x149`
`BTN_TOUCH`	`0x14a`
`BTN_STYLUS`	`0x14b`
`BTN_STYLUS2`	`0x14c`
`BTN_TOOL_DOUBLETAP`	`0x14d`
`BTN_TOOL_TRIPLETAP`	`0x14e`
`BTN_TOOL_QUADTAP`	`0x14f`	Four fingers on trackpad
`BTN_WHEEL`	`0x150`
`BTN_GEAR_DOWN`	`0x150`
`BTN_GEAR_UP`	`0x151`