#ifndef _INPUT_H #define _INPUT_H /* * Copyright (c) 1999-2002 Vojtech Pavlik * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published by * the Free Software Foundation. */ #ifdef __KERNEL__ #include <linux/time.h> #include <linux/list.h> #else #include <sys/time.h> #include <sys/ioctl.h> #include <sys/types.h> #include <linux/types.h> #endif /* * The event structure itself */ struct input_event { struct timeval time; __u16 type; __u16 code; __s32 value; }; /* * Protocol version. */ #define EV_VERSION 0x010001 /* * IOCTLs (0x00 - 0x7f) */ struct input_id { __u16 bustype; __u16 vendor; __u16 product; __u16 version; }; /** * struct input_absinfo - used by EVIOCGABS/EVIOCSABS ioctls * @value: latest reported value for the axis. * @minimum: specifies minimum value for the axis. * @maximum: specifies maximum value for the axis. * @fuzz: specifies fuzz value that is used to filter noise from * the event stream. * @flat: values that are within this value will be discarded by * joydev interface and reported as 0 instead. * @resolution: specifies resolution for the values reported for * the axis. * * Note that input core does not clamp reported values to the * [minimum, maximum] limits, such task is left to userspace. * * Resolution for main axes (ABS_X, ABS_Y, ABS_Z) is reported in * units per millimeter (units/mm), resolution for rotational axes * (ABS_RX, ABS_RY, ABS_RZ) is reported in units per radian. */ struct input_absinfo { __s32 value; __s32 minimum; __s32 maximum; __s32 fuzz; __s32 flat; __s32 resolution; }; /** * struct input_keymap_entry - used by EVIOCGKEYCODE/EVIOCSKEYCODE ioctls * @scancode: scancode represented in machine-endian form. * @len: length of the scancode that resides in @scancode buffer. * @index: index in the keymap, may be used instead of scancode * @flags: allows to specify how kernel should handle the request. For * example, setting INPUT_KEYMAP_BY_INDEX flag indicates that kernel * should perform lookup in keymap by @index instead of @scancode * @keycode: key code assigned to this scancode * * The structure is used to retrieve and modify keymap data. Users have * option of performing lookup either by @scancode itself or by @index * in keymap entry. EVIOCGKEYCODE will also return scancode or index * (depending on which element was used to perform lookup). */ struct input_keymap_entry { #define INPUT_KEYMAP_BY_INDEX (1 << 0) __u8 flags; __u8 len; __u16 index; __u32 keycode; __u8 scancode[32]; }; #define EVIOCGVERSION _IOR('E', 0x01, int) /* get driver version */ #define EVIOCGID _IOR('E', 0x02, struct input_id) /* get device ID */ #define EVIOCGREP _IOR('E', 0x03, unsigned int[2]) /* get repeat settings */ #define EVIOCSREP _IOW('E', 0x03, unsigned int[2]) /* set repeat settings */ #define EVIOCGKEYCODE _IOR('E', 0x04, unsigned int[2]) /* get keycode */ #define EVIOCGKEYCODE_V2 _IOR('E', 0x04, struct input_keymap_entry) #define EVIOCSKEYCODE _IOW('E', 0x04, unsigned int[2]) /* set keycode */ #define EVIOCSKEYCODE_V2 _IOW('E', 0x04, struct input_keymap_entry) #define EVIOCGNAME(len) _IOC(_IOC_READ, 'E', 0x06, len) /* get device name */ #define EVIOCGPHYS(len) _IOC(_IOC_READ, 'E', 0x07, len) /* get physical location */ #define EVIOCGUNIQ(len) _IOC(_IOC_READ, 'E', 0x08, len) /* get unique identifier */ #define EVIOCGPROP(len) _IOC(_IOC_READ, 'E', 0x09, len) /* get device properties */ #define EVIOCGKEY(len) _IOC(_IOC_READ, 'E', 0x18, len) /* get global key state */ #define EVIOCGLED(len) _IOC(_IOC_READ, 'E', 0x19, len) /* get all LEDs */ #define EVIOCGSND(len) _IOC(_IOC_READ, 'E', 0x1a, len) /* get all sounds status */ #define EVIOCGSW(len) _IOC(_IOC_READ, 'E', 0x1b, len) /* get all switch states */ #define EVIOCGBIT(ev,len) _IOC(_IOC_READ, 'E', 0x20 + ev, len) /* get event bits */ #define EVIOCGABS(abs) _IOR('E', 0x40 + abs, struct input_absinfo) /* get abs value/limits */ #define EVIOCSABS(abs) _IOW('E', 0xc0 + abs, struct input_absinfo) /* set abs value/limits */ #define EVIOCSFF _IOC(_IOC_WRITE, 'E', 0x80, sizeof(struct ff_effect)) /* send a force effect to a force feedback device */ #define EVIOCRMFF _IOW('E', 0x81, int) /* Erase a force effect */ #define EVIOCGEFFECTS _IOR('E', 0x84, int) /* Report number of effects playable at the same time */ #define EVIOCGRAB _IOW('E', 0x90, int) /* Grab/Release device */ /* * Device properties and quirks */ #define INPUT_PROP_POINTER 0x00 /* needs a pointer */ #define INPUT_PROP_DIRECT 0x01 /* direct input devices */ #define INPUT_PROP_BUTTONPAD 0x02 /* has button(s) under pad */ #define INPUT_PROP_SEMI_MT 0x03 /* touch rectangle only */ #define INPUT_PROP_MAX 0x1f #define INPUT_PROP_CNT (INPUT_PROP_MAX + 1) /* * Event types */ #define EV_SYN 0x00 #define EV_KEY 0x01 #define EV_REL 0x02 #define EV_ABS 0x03 #define EV_MSC 0x04 #define EV_SW 0x05 #define EV_LED 0x11 #define EV_SND 0x12 #define EV_REP 0x14 #define EV_FF 0x15 #define EV_PWR 0x16 #define EV_FF_STATUS 0x17 #define EV_MAX 0x1f #define EV_CNT (EV_MAX+1) /* * Synchronization events. */ #define SYN_REPORT 0 #define SYN_CONFIG 1 #define SYN_MT_REPORT 2 /* * Keys and buttons * * Most of the keys/buttons are modeled after USB HUT 1.12 * (see http://www.usb.org/developers/hidpage). * Abbreviations in the comments: * AC - Application Control * AL - Application Launch Button * SC - System Control */ #define KEY_RESERVED 0 #define KEY_ESC 1 #define KEY_1 2 #define KEY_2 3 #define KEY_3 4 #define KEY_4 5 #define KEY_5 6 #define KEY_6 7 #define KEY_7 8 #define KEY_8 9 #define KEY_9 10 #define KEY_0 11 #define KEY_MINUS 12 #define KEY_EQUAL 13 #define KEY_BACKSPACE 14 #define KEY_TAB 15 #define KEY_Q 16 #define KEY_W 17 #define KEY_E 18 #define KEY_R 19 #define KEY_T 20 #define KEY_Y 21 #define KEY_U 22 #define KEY_I 23 #define KEY_O 24 #define KEY_P 25 #define KEY_LEFTBRACE 26 #define KEY_RIGHTBRACE 27 #define KEY_ENTER 28 #define KEY_LEFTCTRL 29 #define KEY_A 30 #define KEY_S 31 #define KEY_D 32 #define KEY_F 33 #define KEY_G 34 #define KEY_H 35 #define KEY_J 36 #define KEY_K 37 #define KEY_L 38 #define KEY_SEMICOLON 39 #define KEY_APOSTROPHE 40 #define KEY_GRAVE 41 #define KEY_LEFTSHIFT 42 #define KEY_BACKSLASH 43 #define KEY_Z 44 #define KEY_X 45 #define KEY_C 46 #define KEY_V 47 #define KEY_B 48 #define KEY_N 49 #define KEY_M 50 #define KEY_COMMA 51 #define KEY_DOT 52 #define KEY_SLASH 53 #define KEY_RIGHTSHIFT 54 #define KEY_KPASTERISK 55 #define KEY_LEFTALT 56 #define KEY_SPACE 57 #define KEY_CAPSLOCK 58 #define KEY_F1 59 #define KEY_F2 60 #define KEY_F3 61 #define KEY_F4 62 #define KEY_F5 63 #define KEY_F6 64 #define KEY_F7 65 #define KEY_F8 66 #define KEY_F9 67 #define KEY_F10 68 #define KEY_NUMLOCK 69 #define KEY_SCROLLLOCK 70 #define KEY_KP7 71 #define KEY_KP8 72 #define KEY_KP9 73 #define KEY_KPMINUS 74 #define KEY_KP4 75 #define KEY_KP5 76 #define KEY_KP6 77 #define KEY_KPPLUS 78 #define KEY_KP1 79 #define KEY_KP2 80 #define KEY_KP3 81 #define KEY_KP0 82 #define KEY_KPDOT 83 #define KEY_ZENKAKUHANKAKU 85 #define KEY_102ND 86 #define KEY_F11 87 #define KEY_F12 88 #define KEY_RO 89 #define KEY_KATAKANA 90 #define KEY_HIRAGANA 91 #define KEY_HENKAN 92 #define KEY_KATAKANAHIRAGANA 93 #define KEY_MUHENKAN 94 #define KEY_KPJPCOMMA 95 #define KEY_KPENTER 96 #define KEY_RIGHTCTRL 97 #define KEY_KPSLASH 98 #define KEY_SYSRQ 99 #define KEY_RIGHTALT 100 #define KEY_LINEFEED 101 #define KEY_HOME 102 #define KEY_UP 103 #define KEY_PAGEUP 104 #define KEY_LEFT 105 #define KEY_RIGHT 106 #define KEY_END 107 #define KEY_DOWN 108 #define KEY_PAGEDOWN 109 #define KEY_INSERT 110 #define KEY_DELETE 111 #define KEY_MACRO 112 #define KEY_MUTE 113 #define KEY_VOLUMEDOWN 114 #define KEY_VOLUMEUP 115 #define KEY_POWER 116 /* SC System Power Down */ #define KEY_KPEQUAL 117 #define KEY_KPPLUSMINUS 118 #define KEY_PAUSE 119 #define KEY_SCALE 120 /* AL Compiz Scale (Expose) */ #define KEY_KPCOMMA 121 #define KEY_HANGEUL 122 #define KEY_HANGUEL KEY_HANGEUL #define KEY_HANJA 123 #define KEY_YEN 124 #define KEY_LEFTMETA 125 #define KEY_RIGHTMETA 126 #define KEY_COMPOSE 127 #define KEY_STOP 128 /* AC Stop */ #define KEY_AGAIN 129 #define KEY_PROPS 130 /* AC Properties */ #define KEY_UNDO 131 /* AC Undo */ #define KEY_FRONT 132 #define KEY_COPY 133 /* AC Copy */ #define KEY_OPEN 134 /* AC Open */ #define KEY_PASTE 135 /* AC Paste */ #define KEY_FIND 136 /* AC Search */ #define KEY_CUT 137 /* AC Cut */ #define KEY_HELP 138 /* AL Integrated Help Center */ #define KEY_MENU 139 /* Menu (show menu) */ #define KEY_CALC 140 /* AL Calculator */ #define KEY_SETUP 141 #define KEY_SLEEP 142 /* SC System Sleep */ #define KEY_WAKEUP 143 /* System Wake Up */ #define KEY_FILE 144 /* AL Local Machine Browser */ #define KEY_SENDFILE 145 #define KEY_DELETEFILE 146 #define KEY_XFER 147 #define KEY_PROG1 148 #define KEY_PROG2 149 #define KEY_WWW 150 /* AL Internet Browser */ #define KEY_MSDOS 151 #define KEY_COFFEE 152 /* AL Terminal Lock/Screensaver */ #define KEY_SCREENLOCK KEY_COFFEE #define KEY_DIRECTION 153 #define KEY_CYCLEWINDOWS 154 #define KEY_MAIL 155 #define KEY_BOOKMARKS 156 /* AC Bookmarks */ #define KEY_COMPUTER 157 #define KEY_BACK 158 /* AC Back */ #define KEY_FORWARD 159 /* AC Forward */ #define KEY_CLOSECD 160 #define KEY_EJECTCD 161 #define KEY_EJECTCLOSECD 162 #define KEY_NEXTSONG 163 #define KEY_PLAYPAUSE 164 #define KEY_PREVIOUSSONG 165 #define KEY_STOPCD 166 #define KEY_RECORD 167 #define KEY_REWIND 168 #define KEY_PHONE 169 /* Media Select Telephone */ #define KEY_ISO 170 #define KEY_CONFIG 171 /* AL Consumer Control Configuration */ #define KEY_HOMEPAGE 172 /* AC Home */ #define KEY_REFRESH 173 /* AC Refresh */ #define KEY_EXIT 174 /* AC Exit */ #define KEY_MOVE 175 #define KEY_EDIT 176 #define KEY_SCROLLUP 177 #define KEY_SCROLLDOWN 178 #define KEY_KPLEFTPAREN 179 #define KEY_KPRIGHTPAREN 180 #define KEY_NEW 181 /* AC New */ #define KEY_REDO 182 /* AC Redo/Repeat */ #define KEY_F13 183 #define KEY_F14 184 #define KEY_F15 185 #define KEY_F16 186 #define KEY_F17 187 #define KEY_F18 188 #define KEY_F19 189 #define KEY_F20 190 #define KEY_F21 191 #define KEY_F22 192 #define KEY_F23 193 #define KEY_F24 194 #define KEY_PLAYCD 200 #define KEY_PAUSECD 201 #define KEY_PROG3 202 #define KEY_PROG4 203 #define KEY_DASHBOARD 204 /* AL Dashboard */ #define KEY_SUSPEND 205 #define KEY_CLOSE 206 /* AC Close */ #define KEY_PLAY 207 #define KEY_FASTFORWARD 208 #define KEY_BASSBOOST 209 #define KEY_PRINT 210 /* AC Print */ #define KEY_HP 211 #define KEY_CAMERA 212 #define KEY_SOUND 213 #define KEY_QUESTION 214 #define KEY_EMAIL 215 #define KEY_CHAT 216 #define KEY_SEARCH 217 #define KEY_CONNECT 218 #define KEY_FINANCE 219 /* AL Checkbook/Finance */ #define KEY_SPORT 220 #define KEY_SHOP 221 #define KEY_ALTERASE 222 #define KEY_CANCEL 223 /* AC Cancel */ #define KEY_BRIGHTNESSDOWN 224 #define KEY_BRIGHTNESSUP 225 #define KEY_MEDIA 226 #define KEY_SWITCHVIDEOMODE 227 /* Cycle between available video outputs (Monitor/LCD/TV-out/etc) */ #define KEY_KBDILLUMTOGGLE 228 #define KEY_KBDILLUMDOWN 229 #define KEY_KBDILLUMUP 230 #define KEY_SEND 231 /* AC Send */ #define KEY_REPLY 232 /* AC Reply */ #define KEY_FORWARDMAIL 233 /* AC Forward Msg */ #define KEY_SAVE 234 /* AC Save */ #define KEY_DOCUMENTS 235 #define KEY_BATTERY 236 #define KEY_BLUETOOTH 237 #define KEY_WLAN 238 #define KEY_UWB 239 #define KEY_UNKNOWN 240 #define KEY_VIDEO_NEXT 241 /* drive next video source */ #define KEY_VIDEO_PREV 242 /* drive previous video source */ #define KEY_BRIGHTNESS_CYCLE 243 /* brightness up, after max is min */ #define KEY_BRIGHTNESS_ZERO 244 /* brightness off, use ambient */ #define KEY_DISPLAY_OFF 245 /* display device to off state */ #define KEY_WIMAX 246 #define KEY_RFKILL 247 /* Key that controls all radios */ /* Code 255 is reserved for special needs of AT keyboard driver */ #define BTN_MISC 0x100 #define BTN_0 0x100 #define BTN_1 0x101 #define BTN_2 0x102 #define BTN_3 0x103 #define BTN_4 0x104 #define BTN_5 0x105 #define BTN_6 0x106 #define BTN_7 0x107 #define BTN_8 0x108 #define BTN_9 0x109 #define BTN_MOUSE 0x110 #define BTN_LEFT 0x110 #define BTN_RIGHT 0x111 #define BTN_MIDDLE 0x112 #define BTN_SIDE 0x113 #define BTN_EXTRA 0x114 #define BTN_FORWARD 0x115 #define BTN_BACK 0x116 #define BTN_TASK 0x117 #define BTN_JOYSTICK 0x120 #define BTN_TRIGGER 0x120 #define BTN_THUMB 0x121 #define BTN_THUMB2 0x122 #define BTN_TOP 0x123 #define BTN_TOP2 0x124 #define BTN_PINKIE 0x125 #define BTN_BASE 0x126 #define BTN_BASE2 0x127 #define BTN_BASE3 0x128 #define BTN_BASE4 0x129 #define BTN_BASE5 0x12a #define BTN_BASE6 0x12b #define BTN_DEAD 0x12f #define BTN_GAMEPAD 0x130 #define BTN_A 0x130 #define BTN_B 0x131 #define BTN_C 0x132 #define BTN_X 0x133 #define BTN_Y 0x134 #define BTN_Z 0x135 #define BTN_TL 0x136 #define BTN_TR 0x137 #define BTN_TL2 0x138 #define BTN_TR2 0x139 #define BTN_SELECT 0x13a #define BTN_START 0x13b #define BTN_MODE 0x13c #define BTN_THUMBL 0x13d #define BTN_THUMBR 0x13e #define BTN_DIGI 0x140 #define BTN_TOOL_PEN 0x140 #define BTN_TOOL_RUBBER 0x141 #define BTN_TOOL_BRUSH 0x142 #define BTN_TOOL_PENCIL 0x143 #define BTN_TOOL_AIRBRUSH 0x144 #define BTN_TOOL_FINGER 0x145 #define BTN_TOOL_MOUSE 0x146 #define BTN_TOOL_LENS 0x147 #define BTN_TOUCH 0x14a #define BTN_STYLUS 0x14b #define BTN_STYLUS2 0x14c #define BTN_TOOL_DOUBLETAP 0x14d #define BTN_TOOL_TRIPLETAP 0x14e #define BTN_TOOL_QUADTAP 0x14f /* Four fingers on trackpad */ #define BTN_WHEEL 0x150 #define BTN_GEAR_DOWN 0x150 #define BTN_GEAR_UP 0x151 #define KEY_OK 0x160 #define KEY_SELECT 0x161 #define KEY_GOTO 0x162 #define KEY_CLEAR 0x163 #define KEY_POWER2 0x164 #define KEY_OPTION 0x165 #define KEY_INFO 0x166 /* AL OEM Features/Tips/Tutorial */ #define KEY_TIME 0x167 #define KEY_VENDOR 0x168 #define KEY_ARCHIVE 0x169 #define KEY_PROGRAM 0x16a /* Media Select Program Guide */ #define KEY_CHANNEL 0x16b #define KEY_FAVORITES 0x16c #define KEY_EPG 0x16d #define KEY_PVR 0x16e /* Media Select Home */ #define KEY_MHP 0x16f #define KEY_LANGUAGE 0x170 #define KEY_TITLE 0x171 #define KEY_SUBTITLE 0x172 #define KEY_ANGLE 0x173 #define KEY_ZOOM 0x174 #define KEY_MODE 0x175 #define KEY_KEYBOARD 0x176 #define KEY_SCREEN 0x177 #define KEY_PC 0x178 /* Media Select Computer */ #define KEY_TV 0x179 /* Media Select TV */ #define KEY_TV2 0x17a /* Media Select Cable */ #define KEY_VCR 0x17b /* Media Select VCR */ #define KEY_VCR2 0x17c /* VCR Plus */ #define KEY_SAT 0x17d /* Media Select Satellite */ #define KEY_SAT2 0x17e #define KEY_CD 0x17f /* Media Select CD */ #define KEY_TAPE 0x180 /* Media Select Tape */ #define KEY_RADIO 0x181 #define KEY_TUNER 0x182 /* Media Select Tuner */ #define KEY_PLAYER 0x183 #define KEY_TEXT 0x184 #define KEY_DVD 0x185 /* Media Select DVD */ #define KEY_AUX 0x186 #define KEY_MP3 0x187 #define KEY_AUDIO 0x188 #define KEY_VIDEO 0x189 #define KEY_DIRECTORY 0x18a #define KEY_LIST 0x18b #define KEY_MEMO 0x18c /* Media Select Messages */ #define KEY_CALENDAR 0x18d #define KEY_RED 0x18e #define KEY_GREEN 0x18f #define KEY_YELLOW 0x190 #define KEY_BLUE 0x191 #define KEY_CHANNELUP 0x192 /* Channel Increment */ #define KEY_CHANNELDOWN 0x193 /* Channel Decrement */ #define KEY_FIRST 0x194 #define KEY_LAST 0x195 /* Recall Last */ #define KEY_AB 0x196 #define KEY_NEXT 0x197 #define KEY_RESTART 0x198 #define KEY_SLOW 0x199 #define KEY_SHUFFLE 0x19a #define KEY_BREAK 0x19b #define KEY_PREVIOUS 0x19c #define KEY_DIGITS 0x19d #define KEY_TEEN 0x19e #define KEY_TWEN 0x19f #define KEY_VIDEOPHONE 0x1a0 /* Media Select Video Phone */ #define KEY_GAMES 0x1a1 /* Media Select Games */ #define KEY_ZOOMIN 0x1a2 /* AC Zoom In */ #define KEY_ZOOMOUT 0x1a3 /* AC Zoom Out */ #define KEY_ZOOMRESET 0x1a4 /* AC Zoom */ #define KEY_WORDPROCESSOR 0x1a5 /* AL Word Processor */ #define KEY_EDITOR 0x1a6 /* AL Text Editor */ #define KEY_SPREADSHEET 0x1a7 /* AL Spreadsheet */ #define KEY_GRAPHICSEDITOR 0x1a8 /* AL Graphics Editor */ #define KEY_PRESENTATION 0x1a9 /* AL Presentation App */ #define KEY_DATABASE 0x1aa /* AL Database App */ #define KEY_NEWS 0x1ab /* AL Newsreader */ #define KEY_VOICEMAIL 0x1ac /* AL Voicemail */ #define KEY_ADDRESSBOOK 0x1ad /* AL Contacts/Address Book */ #define KEY_MESSENGER 0x1ae /* AL Instant Messaging */ #define KEY_DISPLAYTOGGLE 0x1af /* Turn display (LCD) on and off */ #define KEY_SPELLCHECK 0x1b0 /* AL Spell Check */ #define KEY_LOGOFF 0x1b1 /* AL Logoff */ #define KEY_DOLLAR 0x1b2 #define KEY_EURO 0x1b3 #define KEY_FRAMEBACK 0x1b4 /* Consumer - transport controls */ #define KEY_FRAMEFORWARD 0x1b5 #define KEY_CONTEXT_MENU 0x1b6 /* GenDesc - system context menu */ #define KEY_MEDIA_REPEAT 0x1b7 /* Consumer - transport control */ #define KEY_10CHANNELSUP 0x1b8 /* 10 channels up (10+) */ #define KEY_10CHANNELSDOWN 0x1b9 /* 10 channels down (10-) */ #define KEY_DEL_EOL 0x1c0 #define KEY_DEL_EOS 0x1c1 #define KEY_INS_LINE 0x1c2 #define KEY_DEL_LINE 0x1c3 #define KEY_FN 0x1d0 #define KEY_FN_ESC 0x1d1 #define KEY_FN_F1 0x1d2 #define KEY_FN_F2 0x1d3 #define KEY_FN_F3 0x1d4 #define KEY_FN_F4 0x1d5 #define KEY_FN_F5 0x1d6 #define KEY_FN_F6 0x1d7 #define KEY_FN_F7 0x1d8 #define KEY_FN_F8 0x1d9 #define KEY_FN_F9 0x1da #define KEY_FN_F10 0x1db #define KEY_FN_F11 0x1dc #define KEY_FN_F12 0x1dd #define KEY_FN_1 0x1de #define KEY_FN_2 0x1df #define KEY_FN_D 0x1e0 #define KEY_FN_E 0x1e1 #define KEY_FN_F 0x1e2 #define KEY_FN_S 0x1e3 #define KEY_FN_B 0x1e4 #define KEY_BRL_DOT1 0x1f1 #define KEY_BRL_DOT2 0x1f2 #define KEY_BRL_DOT3 0x1f3 #define KEY_BRL_DOT4 0x1f4 #define KEY_BRL_DOT5 0x1f5 #define KEY_BRL_DOT6 0x1f6 #define KEY_BRL_DOT7 0x1f7 #define KEY_BRL_DOT8 0x1f8 #define KEY_BRL_DOT9 0x1f9 #define KEY_BRL_DOT10 0x1fa #define KEY_NUMERIC_0 0x200 /* used by phones, remote controls, */ #define KEY_NUMERIC_1 0x201 /* and other keypads */ #define KEY_NUMERIC_2 0x202 #define KEY_NUMERIC_3 0x203 #define KEY_NUMERIC_4 0x204 #define KEY_NUMERIC_5 0x205 #define KEY_NUMERIC_6 0x206 #define KEY_NUMERIC_7 0x207 #define KEY_NUMERIC_8 0x208 #define KEY_NUMERIC_9 0x209 #define KEY_NUMERIC_STAR 0x20a #define KEY_NUMERIC_POUND 0x20b #define KEY_CAMERA_FOCUS 0x210 #define KEY_WPS_BUTTON 0x211 /* WiFi Protected Setup key */ #define KEY_TOUCHPAD_TOGGLE 0x212 /* Request switch touchpad on or off */ #define KEY_TOUCHPAD_ON 0x213 #define KEY_TOUCHPAD_OFF 0x214 #define BTN_TRIGGER_HAPPY 0x2c0 #define BTN_TRIGGER_HAPPY1 0x2c0 #define BTN_TRIGGER_HAPPY2 0x2c1 #define BTN_TRIGGER_HAPPY3 0x2c2 #define BTN_TRIGGER_HAPPY4 0x2c3 #define BTN_TRIGGER_HAPPY5 0x2c4 #define BTN_TRIGGER_HAPPY6 0x2c5 #define BTN_TRIGGER_HAPPY7 0x2c6 #define BTN_TRIGGER_HAPPY8 0x2c7 #define BTN_TRIGGER_HAPPY9 0x2c8 #define BTN_TRIGGER_HAPPY10 0x2c9 #define BTN_TRIGGER_HAPPY11 0x2ca #define BTN_TRIGGER_HAPPY12 0x2cb #define BTN_TRIGGER_HAPPY13 0x2cc #define BTN_TRIGGER_HAPPY14 0x2cd #define BTN_TRIGGER_HAPPY15 0x2ce #define BTN_TRIGGER_HAPPY16 0x2cf #define BTN_TRIGGER_HAPPY17 0x2d0 #define BTN_TRIGGER_HAPPY18 0x2d1 #define BTN_TRIGGER_HAPPY19 0x2d2 #define BTN_TRIGGER_HAPPY20 0x2d3 #define BTN_TRIGGER_HAPPY21 0x2d4 #define BTN_TRIGGER_HAPPY22 0x2d5 #define BTN_TRIGGER_HAPPY23 0x2d6 #define BTN_TRIGGER_HAPPY24 0x2d7 #define BTN_TRIGGER_HAPPY25 0x2d8 #define BTN_TRIGGER_HAPPY26 0x2d9 #define BTN_TRIGGER_HAPPY27 0x2da #define BTN_TRIGGER_HAPPY28 0x2db #define BTN_TRIGGER_HAPPY29 0x2dc #define BTN_TRIGGER_HAPPY30 0x2dd #define BTN_TRIGGER_HAPPY31 0x2de #define BTN_TRIGGER_HAPPY32 0x2df #define BTN_TRIGGER_HAPPY33 0x2e0 #define BTN_TRIGGER_HAPPY34 0x2e1 #define BTN_TRIGGER_HAPPY35 0x2e2 #define BTN_TRIGGER_HAPPY36 0x2e3 #define BTN_TRIGGER_HAPPY37 0x2e4 #define BTN_TRIGGER_HAPPY38 0x2e5 #define BTN_TRIGGER_HAPPY39 0x2e6 #define BTN_TRIGGER_HAPPY40 0x2e7 /* We avoid low common keys in module aliases so they don't get huge. */ #define KEY_MIN_INTERESTING KEY_MUTE #define KEY_MAX 0x2ff #define KEY_CNT (KEY_MAX+1) /* * Relative axes */ #define REL_X 0x00 #define REL_Y 0x01 #define REL_Z 0x02 #define REL_RX 0x03 #define REL_RY 0x04 #define REL_RZ 0x05 #define REL_HWHEEL 0x06 #define REL_DIAL 0x07 #define REL_WHEEL 0x08 #define REL_MISC 0x09 #define REL_MAX 0x0f #define REL_CNT (REL_MAX+1) /* * Absolute axes */ #define ABS_X 0x00 #define ABS_Y 0x01 #define ABS_Z 0x02 #define ABS_RX 0x03 #define ABS_RY 0x04 #define ABS_RZ 0x05 #define ABS_THROTTLE 0x06 #define ABS_RUDDER 0x07 #define ABS_WHEEL 0x08 #define ABS_GAS 0x09 #define ABS_BRAKE 0x0a #define ABS_HAT0X 0x10 #define ABS_HAT0Y 0x11 #define ABS_HAT1X 0x12 #define ABS_HAT1Y 0x13 #define ABS_HAT2X 0x14 #define ABS_HAT2Y 0x15 #define ABS_HAT3X 0x16 #define ABS_HAT3Y 0x17 #define ABS_PRESSURE 0x18 #define ABS_DISTANCE 0x19 #define ABS_TILT_X 0x1a #define ABS_TILT_Y 0x1b #define ABS_TOOL_WIDTH 0x1c #define ABS_VOLUME 0x20 #define ABS_MISC 0x28 #define ABS_MT_SLOT 0x2f /* MT slot being modified */ #define ABS_MT_TOUCH_MAJOR 0x30 /* Major axis of touching ellipse */ #define ABS_MT_TOUCH_MINOR 0x31 /* Minor axis (omit if circular) */ #define ABS_MT_WIDTH_MAJOR 0x32 /* Major axis of approaching ellipse */ #define ABS_MT_WIDTH_MINOR 0x33 /* Minor axis (omit if circular) */ #define ABS_MT_ORIENTATION 0x34 /* Ellipse orientation */ #define ABS_MT_POSITION_X 0x35 /* Center X ellipse position */ #define ABS_MT_POSITION_Y 0x36 /* Center Y ellipse position */ #define ABS_MT_TOOL_TYPE 0x37 /* Type of touching device */ #define ABS_MT_BLOB_ID 0x38 /* Group a set of packets as a blob */ #define ABS_MT_TRACKING_ID 0x39 /* Unique ID of initiated contact */ #define ABS_MT_PRESSURE 0x3a /* Pressure on contact area */ #define ABS_MT_DISTANCE 0x3b /* Contact hover distance */ #ifdef __KERNEL__ /* Implementation details, userspace should not care about these */ #define ABS_MT_FIRST ABS_MT_TOUCH_MAJOR #define ABS_MT_LAST ABS_MT_DISTANCE #endif #define ABS_MAX 0x3f #define ABS_CNT (ABS_MAX+1) /* * Switch events */ #define SW_LID 0x00 /* set = lid shut */ #define SW_TABLET_MODE 0x01 /* set = tablet mode */ #define SW_HEADPHONE_INSERT 0x02 /* set = inserted */ #define SW_RFKILL_ALL 0x03 /* rfkill master switch, type "any" set = radio enabled */ #define SW_RADIO SW_RFKILL_ALL /* deprecated */ #define SW_MICROPHONE_INSERT 0x04 /* set = inserted */ #define SW_DOCK 0x05 /* set = plugged into dock */ #define SW_LINEOUT_INSERT 0x06 /* set = inserted */ #define SW_JACK_PHYSICAL_INSERT 0x07 /* set = mechanical switch set */ #define SW_VIDEOOUT_INSERT 0x08 /* set = inserted */ #define SW_CAMERA_LENS_COVER 0x09 /* set = lens covered */ #define SW_KEYPAD_SLIDE 0x0a /* set = keypad slide out */ #define SW_FRONT_PROXIMITY 0x0b /* set = front proximity sensor active */ #define SW_ROTATE_LOCK 0x0c /* set = rotate locked/disabled */ #define SW_MAX 0x0f #define SW_CNT (SW_MAX+1) /* * Misc events */ #define MSC_SERIAL 0x00 #define MSC_PULSELED 0x01 #define MSC_GESTURE 0x02 #define MSC_RAW 0x03 #define MSC_SCAN 0x04 #define MSC_MAX 0x07 #define MSC_CNT (MSC_MAX+1) /* * LEDs */ #define LED_NUML 0x00 #define LED_CAPSL 0x01 #define LED_SCROLLL 0x02 #define LED_COMPOSE 0x03 #define LED_KANA 0x04 #define LED_SLEEP 0x05 #define LED_SUSPEND 0x06 #define LED_MUTE 0x07 #define LED_MISC 0x08 #define LED_MAIL 0x09 #define LED_CHARGING 0x0a #define LED_MAX 0x0f #define LED_CNT (LED_MAX+1) /* * Autorepeat values */ #define REP_DELAY 0x00 #define REP_PERIOD 0x01 #define REP_MAX 0x01 #define REP_CNT (REP_MAX+1) /* * Sounds */ #define SND_CLICK 0x00 #define SND_BELL 0x01 #define SND_TONE 0x02 #define SND_MAX 0x07 #define SND_CNT (SND_MAX+1) /* * IDs. */ #define ID_BUS 0 #define ID_VENDOR 1 #define ID_PRODUCT 2 #define ID_VERSION 3 #define BUS_PCI 0x01 #define BUS_ISAPNP 0x02 #define BUS_USB 0x03 #define BUS_HIL 0x04 #define BUS_BLUETOOTH 0x05 #define BUS_VIRTUAL 0x06 #define BUS_ISA 0x10 #define BUS_I8042 0x11 #define BUS_XTKBD 0x12 #define BUS_RS232 0x13 #define BUS_GAMEPORT 0x14 #define BUS_PARPORT 0x15 #define BUS_AMIGA 0x16 #define BUS_ADB 0x17 #define BUS_I2C 0x18 #define BUS_HOST 0x19 #define BUS_GSC 0x1A #define BUS_ATARI 0x1B #define BUS_SPI 0x1C /* * MT_TOOL types */ #define MT_TOOL_FINGER 0 #define MT_TOOL_PEN 1 #define MT_TOOL_MAX 1 /* * Values describing the status of a force-feedback effect */ #define FF_STATUS_STOPPED 0x00 #define FF_STATUS_PLAYING 0x01 #define FF_STATUS_MAX 0x01 /* * Structures used in ioctls to upload effects to a device * They are pieces of a bigger structure (called ff_effect) */ /* * All duration values are expressed in ms. Values above 32767 ms (0x7fff) * should not be used and have unspecified results. */ /** * struct ff_replay - defines scheduling of the force-feedback effect * @length: duration of the effect * @delay: delay before effect should start playing */ struct ff_replay { __u16 length; __u16 delay; }; /** * struct ff_trigger - defines what triggers the force-feedback effect * @button: number of the button triggering the effect * @interval: controls how soon the effect can be re-triggered */ struct ff_trigger { __u16 button; __u16 interval; }; /** * struct ff_envelope - generic force-feedback effect envelope * @attack_length: duration of the attack (ms) * @attack_level: level at the beginning of the attack * @fade_length: duration of fade (ms) * @fade_level: level at the end of fade * * The @attack_level and @fade_level are absolute values; when applying * envelope force-feedback core will convert to positive/negative * value based on polarity of the default level of the effect. * Valid range for the attack and fade levels is 0x0000 - 0x7fff */ struct ff_envelope { __u16 attack_length; __u16 attack_level; __u16 fade_length; __u16 fade_level; }; /** * struct ff_constant_effect - defines parameters of a constant force-feedback effect * @level: strength of the effect; may be negative * @envelope: envelope data */ struct ff_constant_effect { __s16 level; struct ff_envelope envelope; }; /** * struct ff_ramp_effect - defines parameters of a ramp force-feedback effect * @start_level: beginning strength of the effect; may be negative * @end_level: final strength of the effect; may be negative * @envelope: envelope data */ struct ff_ramp_effect { __s16 start_level; __s16 end_level; struct ff_envelope envelope; }; /** * struct ff_condition_effect - defines a spring or friction force-feedback effect * @right_saturation: maximum level when joystick moved all way to the right * @left_saturation: same for the left side * @right_coeff: controls how fast the force grows when the joystick moves * to the right * @left_coeff: same for the left side * @deadband: size of the dead zone, where no force is produced * @center: position of the dead zone */ struct ff_condition_effect { __u16 right_saturation; __u16 left_saturation; __s16 right_coeff; __s16 left_coeff; __u16 deadband; __s16 center; }; /** * struct ff_periodic_effect - defines parameters of a periodic force-feedback effect * @waveform: kind of the effect (wave) * @period: period of the wave (ms) * @magnitude: peak value * @offset: mean value of the wave (roughly) * @phase: 'horizontal' shift * @envelope: envelope data * @custom_len: number of samples (FF_CUSTOM only) * @custom_data: buffer of samples (FF_CUSTOM only) * * Known waveforms - FF_SQUARE, FF_TRIANGLE, FF_SINE, FF_SAW_UP, * FF_SAW_DOWN, FF_CUSTOM. The exact syntax FF_CUSTOM is undefined * for the time being as no driver supports it yet. * * Note: the data pointed by custom_data is copied by the driver. * You can therefore dispose of the memory after the upload/update. */ struct ff_periodic_effect { __u16 waveform; __u16 period; __s16 magnitude; __s16 offset; __u16 phase; struct ff_envelope envelope; __u32 custom_len; __s16 __user *custom_data; }; /** * struct ff_rumble_effect - defines parameters of a periodic force-feedback effect * @strong_magnitude: magnitude of the heavy motor * @weak_magnitude: magnitude of the light one * * Some rumble pads have two motors of different weight. Strong_magnitude * represents the magnitude of the vibration generated by the heavy one. */ struct ff_rumble_effect { __u16 strong_magnitude; __u16 weak_magnitude; }; /** * struct ff_effect - defines force feedback effect * @type: type of the effect (FF_CONSTANT, FF_PERIODIC, FF_RAMP, FF_SPRING, * FF_FRICTION, FF_DAMPER, FF_RUMBLE, FF_INERTIA, or FF_CUSTOM) * @id: an unique id assigned to an effect * @direction: direction of the effect * @trigger: trigger conditions (struct ff_trigger) * @replay: scheduling of the effect (struct ff_replay) * @u: effect-specific structure (one of ff_constant_effect, ff_ramp_effect, * ff_periodic_effect, ff_condition_effect, ff_rumble_effect) further * defining effect parameters * * This structure is sent through ioctl from the application to the driver. * To create a new effect application should set its @id to -1; the kernel * will return assigned @id which can later be used to update or delete * this effect. * * Direction of the effect is encoded as follows: * 0 deg -> 0x0000 (down) * 90 deg -> 0x4000 (left) * 180 deg -> 0x8000 (up) * 270 deg -> 0xC000 (right) */ struct ff_effect { __u16 type; __s16 id; __u16 direction; struct ff_trigger trigger; struct ff_replay replay; union { struct ff_constant_effect constant; struct ff_ramp_effect ramp; struct ff_periodic_effect periodic; struct ff_condition_effect condition[2]; /* One for each axis */ struct ff_rumble_effect rumble; } u; }; /* * Force feedback effect types */ #define FF_RUMBLE 0x50 #define FF_PERIODIC 0x51 #define FF_CONSTANT 0x52 #define FF_SPRING 0x53 #define FF_FRICTION 0x54 #define FF_DAMPER 0x55 #define FF_INERTIA 0x56 #define FF_RAMP 0x57 #define FF_EFFECT_MIN FF_RUMBLE #define FF_EFFECT_MAX FF_RAMP /* * Force feedback periodic effect types */ #define FF_SQUARE 0x58 #define FF_TRIANGLE 0x59 #define FF_SINE 0x5a #define FF_SAW_UP 0x5b #define FF_SAW_DOWN 0x5c #define FF_CUSTOM 0x5d #define FF_WAVEFORM_MIN FF_SQUARE #define FF_WAVEFORM_MAX FF_CUSTOM /* * Set ff device properties */ #define FF_GAIN 0x60 #define FF_AUTOCENTER 0x61 #define FF_MAX 0x7f #define FF_CNT (FF_MAX+1) #ifdef __KERNEL__ /* * In-kernel definitions. */ #include <linux/device.h> #include <linux/fs.h> #include <linux/timer.h> #include <linux/mod_devicetable.h> /** * struct input_dev - represents an input device * @name: name of the device * @phys: physical path to the device in the system hierarchy * @uniq: unique identification code for the device (if device has it) * @id: id of the device (struct input_id) * @propbit: bitmap of device properties and quirks * @evbit: bitmap of types of events supported by the device (EV_KEY, * EV_REL, etc.) * @keybit: bitmap of keys/buttons this device has * @relbit: bitmap of relative axes for the device * @absbit: bitmap of absolute axes for the device * @mscbit: bitmap of miscellaneous events supported by the device * @ledbit: bitmap of leds present on the device * @sndbit: bitmap of sound effects supported by the device * @ffbit: bitmap of force feedback effects supported by the device * @swbit: bitmap of switches present on the device * @hint_events_per_packet: average number of events generated by the * device in a packet (between EV_SYN/SYN_REPORT events). Used by * event handlers to estimate size of the buffer needed to hold * events. * @keycodemax: size of keycode table * @keycodesize: size of elements in keycode table * @keycode: map of scancodes to keycodes for this device * @getkeycode: optional legacy method to retrieve current keymap. * @setkeycode: optional method to alter current keymap, used to implement * sparse keymaps. If not supplied default mechanism will be used. * The method is being called while holding event_lock and thus must * not sleep * @ff: force feedback structure associated with the device if device * supports force feedback effects * @repeat_key: stores key code of the last key pressed; used to implement * software autorepeat * @timer: timer for software autorepeat * @rep: current values for autorepeat parameters (delay, rate) * @mt: pointer to array of struct input_mt_slot holding current values * of tracked contacts * @mtsize: number of MT slots the device uses * @slot: MT slot currently being transmitted * @trkid: stores MT tracking ID for the current contact * @absinfo: array of &struct input_absinfo elements holding information * about absolute axes (current value, min, max, flat, fuzz, * resolution) * @key: reflects current state of device's keys/buttons * @led: reflects current state of device's LEDs * @snd: reflects current state of sound effects * @sw: reflects current state of device's switches * @open: this method is called when the very first user calls * input_open_device(). The driver must prepare the device * to start generating events (start polling thread, * request an IRQ, submit URB, etc.) * @close: this method is called when the very last user calls * input_close_device(). * @flush: purges the device. Most commonly used to get rid of force * feedback effects loaded into the device when disconnecting * from it * @event: event handler for events sent _to_ the device, like EV_LED * or EV_SND. The device is expected to carry out the requested * action (turn on a LED, play sound, etc.) The call is protected * by @event_lock and must not sleep * @grab: input handle that currently has the device grabbed (via * EVIOCGRAB ioctl). When a handle grabs a device it becomes sole * recipient for all input events coming from the device * @event_lock: this spinlock is is taken when input core receives * and processes a new event for the device (in input_event()). * Code that accesses and/or modifies parameters of a device * (such as keymap or absmin, absmax, absfuzz, etc.) after device * has been registered with input core must take this lock. * @mutex: serializes calls to open(), close() and flush() methods * @users: stores number of users (input handlers) that opened this * device. It is used by input_open_device() and input_close_device() * to make sure that dev->open() is only called when the first * user opens device and dev->close() is called when the very * last user closes the device * @going_away: marks devices that are in a middle of unregistering and * causes input_open_device*() fail with -ENODEV. * @sync: set to %true when there were no new events since last EV_SYN * @dev: driver model's view of this device * @h_list: list of input handles associated with the device. When * accessing the list dev->mutex must be held * @node: used to place the device onto input_dev_list */ struct input_dev { const char *name; const char *phys; const char *uniq; struct input_id id; unsigned long propbit[BITS_TO_LONGS(INPUT_PROP_CNT)]; unsigned long evbit[BITS_TO_LONGS(EV_CNT)]; unsigned long keybit[BITS_TO_LONGS(KEY_CNT)]; unsigned long relbit[BITS_TO_LONGS(REL_CNT)]; unsigned long absbit[BITS_TO_LONGS(ABS_CNT)]; unsigned long mscbit[BITS_TO_LONGS(MSC_CNT)]; unsigned long ledbit[BITS_TO_LONGS(LED_CNT)]; unsigned long sndbit[BITS_TO_LONGS(SND_CNT)]; unsigned long ffbit[BITS_TO_LONGS(FF_CNT)]; unsigned long swbit[BITS_TO_LONGS(SW_CNT)]; unsigned int hint_events_per_packet; unsigned int keycodemax; unsigned int keycodesize; void *keycode; int (*setkeycode)(struct input_dev *dev, const struct input_keymap_entry *ke, unsigned int *old_keycode); int (*getkeycode)(struct input_dev *dev, struct input_keymap_entry *ke); struct ff_device *ff; unsigned int repeat_key; struct timer_list timer; int rep[REP_CNT]; struct input_mt_slot *mt; int mtsize; int slot; int trkid; struct input_absinfo *absinfo; unsigned long key[BITS_TO_LONGS(KEY_CNT)]; unsigned long led[BITS_TO_LONGS(LED_CNT)]; unsigned long snd[BITS_TO_LONGS(SND_CNT)]; unsigned long sw[BITS_TO_LONGS(SW_CNT)]; int (*open)(struct input_dev *dev); void (*close)(struct input_dev *dev); int (*flush)(struct input_dev *dev, struct file *file); int (*event)(struct input_dev *dev, unsigned int type, unsigned int code, int value); struct input_handle __rcu *grab; spinlock_t event_lock; struct mutex mutex; unsigned int users; bool going_away; bool sync; struct device dev; struct list_head h_list; struct list_head node; }; #define to_input_dev(d) container_of(d, struct input_dev, dev) /* * Verify that we are in sync with input_device_id mod_devicetable.h #defines */ #if EV_MAX != INPUT_DEVICE_ID_EV_MAX #error "EV_MAX and INPUT_DEVICE_ID_EV_MAX do not match" #endif #if KEY_MIN_INTERESTING != INPUT_DEVICE_ID_KEY_MIN_INTERESTING #error "KEY_MIN_INTERESTING and INPUT_DEVICE_ID_KEY_MIN_INTERESTING do not match" #endif #if KEY_MAX != INPUT_DEVICE_ID_KEY_MAX #error "KEY_MAX and INPUT_DEVICE_ID_KEY_MAX do not match" #endif #if REL_MAX != INPUT_DEVICE_ID_REL_MAX #error "REL_MAX and INPUT_DEVICE_ID_REL_MAX do not match" #endif #if ABS_MAX != INPUT_DEVICE_ID_ABS_MAX #error "ABS_MAX and INPUT_DEVICE_ID_ABS_MAX do not match" #endif #if MSC_MAX != INPUT_DEVICE_ID_MSC_MAX #error "MSC_MAX and INPUT_DEVICE_ID_MSC_MAX do not match" #endif #if LED_MAX != INPUT_DEVICE_ID_LED_MAX #error "LED_MAX and INPUT_DEVICE_ID_LED_MAX do not match" #endif #if SND_MAX != INPUT_DEVICE_ID_SND_MAX #error "SND_MAX and INPUT_DEVICE_ID_SND_MAX do not match" #endif #if FF_MAX != INPUT_DEVICE_ID_FF_MAX #error "FF_MAX and INPUT_DEVICE_ID_FF_MAX do not match" #endif #if SW_MAX != INPUT_DEVICE_ID_SW_MAX #error "SW_MAX and INPUT_DEVICE_ID_SW_MAX do not match" #endif #define INPUT_DEVICE_ID_MATCH_DEVICE \ (INPUT_DEVICE_ID_MATCH_BUS | INPUT_DEVICE_ID_MATCH_VENDOR | INPUT_DEVICE_ID_MATCH_PRODUCT) #define INPUT_DEVICE_ID_MATCH_DEVICE_AND_VERSION \ (INPUT_DEVICE_ID_MATCH_DEVICE | INPUT_DEVICE_ID_MATCH_VERSION) struct input_handle; /** * struct input_handler - implements one of interfaces for input devices * @private: driver-specific data * @event: event handler. This method is being called by input core with * interrupts disabled and dev->event_lock spinlock held and so * it may not sleep * @filter: similar to @event; separates normal event handlers from * "filters". * @match: called after comparing device's id with handler's id_table * to perform fine-grained matching between device and handler * @connect: called when attaching a handler to an input device * @disconnect: disconnects a handler from input device * @start: starts handler for given handle. This function is called by * input core right after connect() method and also when a process * that "grabbed" a device releases it * @fops: file operations this driver implements * @minor: beginning of range of 32 minors for devices this driver * can provide * @name: name of the handler, to be shown in /proc/bus/input/handlers * @id_table: pointer to a table of input_device_ids this driver can * handle * @h_list: list of input handles associated with the handler * @node: for placing the driver onto input_handler_list * * Input handlers attach to input devices and create input handles. There * are likely several handlers attached to any given input device at the * same time. All of them will get their copy of input event generated by * the device. * * The very same structure is used to implement input filters. Input core * allows filters to run first and will not pass event to regular handlers * if any of the filters indicate that the event should be filtered (by * returning %true from their filter() method). * * Note that input core serializes calls to connect() and disconnect() * methods. */ struct input_handler { void *private; void (*event)(struct input_handle *handle, unsigned int type, unsigned int code, int value); bool (*filter)(struct input_handle *handle, unsigned int type, unsigned int code, int value); bool (*match)(struct input_handler *handler, struct input_dev *dev); int (*connect)(struct input_handler *handler, struct input_dev *dev, const struct input_device_id *id); void (*disconnect)(struct input_handle *handle); void (*start)(struct input_handle *handle); const struct file_operations *fops; int minor; const char *name; const struct input_device_id *id_table; struct list_head h_list; struct list_head node; }; /** * struct input_handle - links input device with an input handler * @private: handler-specific data * @open: counter showing whether the handle is 'open', i.e. should deliver * events from its device * @name: name given to the handle by handler that created it * @dev: input device the handle is attached to * @handler: handler that works with the device through this handle * @d_node: used to put the handle on device's list of attached handles * @h_node: used to put the handle on handler's list of handles from which * it gets events */ struct input_handle { void *private; int open; const char *name; struct input_dev *dev; struct input_handler *handler; struct list_head d_node; struct list_head h_node; }; struct input_dev *input_allocate_device(void); void input_free_device(struct input_dev *dev); static inline struct input_dev *input_get_device(struct input_dev *dev) { return dev ? to_input_dev(get_device(&dev->dev)) : NULL; } static inline void input_put_device(struct input_dev *dev) { if (dev) put_device(&dev->dev); } static inline void *input_get_drvdata(struct input_dev *dev) { return dev_get_drvdata(&dev->dev); } static inline void input_set_drvdata(struct input_dev *dev, void *data) { dev_set_drvdata(&dev->dev, data); } int __must_check input_register_device(struct input_dev *); void input_unregister_device(struct input_dev *); void input_reset_device(struct input_dev *); int __must_check input_register_handler(struct input_handler *); void input_unregister_handler(struct input_handler *); int input_handler_for_each_handle(struct input_handler *, void *data, int (*fn)(struct input_handle *, void *)); int input_register_handle(struct input_handle *); void input_unregister_handle(struct input_handle *); int input_grab_device(struct input_handle *); void input_release_device(struct input_handle *); int input_open_device(struct input_handle *); void input_close_device(struct input_handle *); int input_flush_device(struct input_handle *handle, struct file *file); void input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value); void input_inject_event(struct input_handle *handle, unsigned int type, unsigned int code, int value); static inline void input_report_key(struct input_dev *dev, unsigned int code, int value) { input_event(dev, EV_KEY, code, !!value); } static inline void input_report_rel(struct input_dev *dev, unsigned int code, int value) { input_event(dev, EV_REL, code, value); } static inline void input_report_abs(struct input_dev *dev, unsigned int code, int value) { input_event(dev, EV_ABS, code, value); } static inline void input_report_ff_status(struct input_dev *dev, unsigned int code, int value) { input_event(dev, EV_FF_STATUS, code, value); } static inline void input_report_switch(struct input_dev *dev, unsigned int code, int value) { input_event(dev, EV_SW, code, !!value); } static inline void input_sync(struct input_dev *dev) { input_event(dev, EV_SYN, SYN_REPORT, 0); } static inline void input_mt_sync(struct input_dev *dev) { input_event(dev, EV_SYN, SYN_MT_REPORT, 0); } void input_set_capability(struct input_dev *dev, unsigned int type, unsigned int code); /** * input_set_events_per_packet - tell handlers about the driver event rate * @dev: the input device used by the driver * @n_events: the average number of events between calls to input_sync() * * If the event rate sent from a device is unusually large, use this * function to set the expected event rate. This will allow handlers * to set up an appropriate buffer size for the event stream, in order * to minimize information loss. */ static inline void input_set_events_per_packet(struct input_dev *dev, int n_events) { dev->hint_events_per_packet = n_events; } void input_alloc_absinfo(struct input_dev *dev); void input_set_abs_params(struct input_dev *dev, unsigned int axis, int min, int max, int fuzz, int flat); #define INPUT_GENERATE_ABS_ACCESSORS(_suffix, _item) \ static inline int input_abs_get_##_suffix(struct input_dev *dev, \ unsigned int axis) \ { \ return dev->absinfo ? dev->absinfo[axis]._item : 0; \ } \ \ static inline void input_abs_set_##_suffix(struct input_dev *dev, \ unsigned int axis, int val) \ { \ input_alloc_absinfo(dev); \ if (dev->absinfo) \ dev->absinfo[axis]._item = val; \ } INPUT_GENERATE_ABS_ACCESSORS(val, value) INPUT_GENERATE_ABS_ACCESSORS(min, minimum) INPUT_GENERATE_ABS_ACCESSORS(max, maximum) INPUT_GENERATE_ABS_ACCESSORS(fuzz, fuzz) INPUT_GENERATE_ABS_ACCESSORS(flat, flat) INPUT_GENERATE_ABS_ACCESSORS(res, resolution) int input_scancode_to_scalar(const struct input_keymap_entry *ke, unsigned int *scancode); int input_get_keycode(struct input_dev *dev, struct input_keymap_entry *ke); int input_set_keycode(struct input_dev *dev, const struct input_keymap_entry *ke); extern struct class input_class; /** * struct ff_device - force-feedback part of an input device * @upload: Called to upload an new effect into device * @erase: Called to erase an effect from device * @playback: Called to request device to start playing specified effect * @set_gain: Called to set specified gain * @set_autocenter: Called to auto-center device * @destroy: called by input core when parent input device is being * destroyed * @private: driver-specific data, will be freed automatically * @ffbit: bitmap of force feedback capabilities truly supported by * device (not emulated like ones in input_dev->ffbit) * @mutex: mutex for serializing access to the device * @max_effects: maximum number of effects supported by device * @effects: pointer to an array of effects currently loaded into device * @effect_owners: array of effect owners; when file handle owning * an effect gets closed the effect is automatically erased * * Every force-feedback device must implement upload() and playback() * methods; erase() is optional. set_gain() and set_autocenter() need * only be implemented if driver sets up FF_GAIN and FF_AUTOCENTER * bits. * * Note that playback(), set_gain() and set_autocenter() are called with * dev->event_lock spinlock held and interrupts off and thus may not * sleep. */ struct ff_device { int (*upload)(struct input_dev *dev, struct ff_effect *effect, struct ff_effect *old); int (*erase)(struct input_dev *dev, int effect_id); int (*playback)(struct input_dev *dev, int effect_id, int value); void (*set_gain)(struct input_dev *dev, u16 gain); void (*set_autocenter)(struct input_dev *dev, u16 magnitude); void (*destroy)(struct ff_device *); void *private; unsigned long ffbit[BITS_TO_LONGS(FF_CNT)]; struct mutex mutex; int max_effects; struct ff_effect *effects; struct file *effect_owners[]; }; int input_ff_create(struct input_dev *dev, int max_effects); void input_ff_destroy(struct input_dev *dev); int input_ff_event(struct input_dev *dev, unsigned int type, unsigned int code, int value); int input_ff_upload(struct input_dev *dev, struct ff_effect *effect, struct file *file); int input_ff_erase(struct input_dev *dev, int effect_id, struct file *file); int input_ff_create_memless(struct input_dev *dev, void *data, int (*play_effect)(struct input_dev *, void *, struct ff_effect *)); #endif #endif