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drivers/virtio: add virtio input driver

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Signed-off-by: liuhongchao <liuhongchao@xiaomi.com>
This commit is contained in:
rongyichang 2023-06-15 20:21:24 +08:00 committed by Alan Carvalho de Assis
parent 5572552024
commit 72587c6e79
6 changed files with 1477 additions and 0 deletions
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5
drivers/virtio/Kconfig
View File

@ -33,6 +33,11 @@ config DRIVERS_VIRTIO_GPU
depends on VIDEO_FB
select FB_UPDATE
config DRIVERS_VIRTIO_INPUT
bool "Virtio input support"
default n
depends on INPUT
config DRIVERS_VIRTIO_NET
bool "Virtio network support"
depends on NETDEVICES

4
drivers/virtio/Make.defs
View File

@ -36,6 +36,10 @@ ifeq ($(CONFIG_DRIVERS_VIRTIO_GPU),y)
CSRCS += virtio-gpu.c
endif
ifeq ($(CONFIG_DRIVERS_VIRTIO_INPUT),y)
CSRCS += virtio-input.c
endif
ifeq ($(CONFIG_DRIVERS_VIRTIO_NET),y)
CSRCS += virtio-net.c
endif

817
drivers/virtio/virtio-input-event-codes.h Normal file
View File

@ -0,0 +1,817 @@
/****************************************************************************
* drivers/virtio/virtio-input-event-codes.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
****************************************************************************
***
*** This header was automatically generated from a Linux kernel header
*** of the same name, to make information necessary for userspace to
*** call into the kernel available to libc. It contains only constants,
*** structures, and macros generated from the original header, and thus,
*** contains no copyrightable information.
***
*** To edit the content of this header, modify the corresponding
*** source file (e.g. under external/kernel-headers/original/) then
*** run bionic/libc/kernel/tools/update_all.py
***
*** Any manual change here will be lost the next time this script will
*** be run. You've been warned!
***
****************************************************************************
****************************************************************************/
#ifndef _UAPI_INPUT_EVENT_CODES_H
#define _UAPI_INPUT_EVENT_CODES_H
#define INPUT_PROP_POINTER 0x00
#define INPUT_PROP_DIRECT 0x01
#define INPUT_PROP_BUTTONPAD 0x02
#define INPUT_PROP_SEMI_MT 0x03
#define INPUT_PROP_TOPBUTTONPAD 0x04
#define INPUT_PROP_POINTING_STICK 0x05
#define INPUT_PROP_ACCELEROMETER 0x06
#define INPUT_PROP_MAX 0x1f
#define INPUT_PROP_CNT (INPUT_PROP_MAX + 1)
#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)
#define SYN_REPORT 0
#define SYN_CONFIG 1
#define SYN_MT_REPORT 2
#define SYN_DROPPED 3
#define SYN_MAX 0xf
#define SYN_CNT (SYN_MAX + 1)
#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
#define KEY_KPEQUAL 117
#define KEY_KPPLUSMINUS 118
#define KEY_PAUSE 119
#define KEY_SCALE 120
#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
#define KEY_AGAIN 129
#define KEY_PROPS 130
#define KEY_UNDO 131
#define KEY_FRONT 132
#define KEY_COPY 133
#define KEY_OPEN 134
#define KEY_PASTE 135
#define KEY_FIND 136
#define KEY_CUT 137
#define KEY_HELP 138
#define KEY_MENU 139
#define KEY_CALC 140
#define KEY_SETUP 141
#define KEY_SLEEP 142
#define KEY_WAKEUP 143
#define KEY_FILE 144
#define KEY_SENDFILE 145
#define KEY_DELETEFILE 146
#define KEY_XFER 147
#define KEY_PROG1 148
#define KEY_PROG2 149
#define KEY_WWW 150
#define KEY_MSDOS 151
#define KEY_COFFEE 152
#define KEY_SCREENLOCK KEY_COFFEE
#define KEY_ROTATE_DISPLAY 153
#define KEY_DIRECTION KEY_ROTATE_DISPLAY
#define KEY_CYCLEWINDOWS 154
#define KEY_MAIL 155
#define KEY_BOOKMARKS 156
#define KEY_COMPUTER 157
#define KEY_BACK 158
#define KEY_FORWARD 159
#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
#define KEY_ISO 170
#define KEY_CONFIG 171
#define KEY_HOMEPAGE 172
#define KEY_REFRESH 173
#define KEY_EXIT 174
#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
#define KEY_REDO 182
#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_ALL_APPLICATIONS 204
#define KEY_DASHBOARD KEY_ALL_APPLICATIONS
#define KEY_SUSPEND 205
#define KEY_CLOSE 206
#define KEY_PLAY 207
#define KEY_FASTFORWARD 208
#define KEY_BASSBOOST 209
#define KEY_PRINT 210
#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
#define KEY_SPORT 220
#define KEY_SHOP 221
#define KEY_ALTERASE 222
#define KEY_CANCEL 223
#define KEY_BRIGHTNESSDOWN 224
#define KEY_BRIGHTNESSUP 225
#define KEY_MEDIA 226
#define KEY_SWITCHVIDEOMODE 227
#define KEY_KBDILLUMTOGGLE 228
#define KEY_KBDILLUMDOWN 229
#define KEY_KBDILLUMUP 230
#define KEY_SEND 231
#define KEY_REPLY 232
#define KEY_FORWARDMAIL 233
#define KEY_SAVE 234
#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
#define KEY_VIDEO_PREV 242
#define KEY_BRIGHTNESS_CYCLE 243
#define KEY_BRIGHTNESS_AUTO 244
#define KEY_BRIGHTNESS_ZERO KEY_BRIGHTNESS_AUTO
#define KEY_DISPLAY_OFF 245
#define KEY_WWAN 246
#define KEY_WIMAX KEY_WWAN
#define KEY_RFKILL 247
#define KEY_MICMUTE 248
#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_SOUTH 0x130
#define BTN_A BTN_SOUTH
#define BTN_EAST 0x131
#define BTN_B BTN_EAST
#define BTN_C 0x132
#define BTN_NORTH 0x133
#define BTN_X BTN_NORTH
#define BTN_WEST 0x134
#define BTN_Y BTN_WEST
#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_TOOL_QUINTTAP 0x148
#define BTN_STYLUS3 0x149
#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
#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
#define KEY_TIME 0x167
#define KEY_VENDOR 0x168
#define KEY_ARCHIVE 0x169
#define KEY_PROGRAM 0x16a
#define KEY_CHANNEL 0x16b
#define KEY_FAVORITES 0x16c
#define KEY_EPG 0x16d
#define KEY_PVR 0x16e
#define KEY_MHP 0x16f
#define KEY_LANGUAGE 0x170
#define KEY_TITLE 0x171
#define KEY_SUBTITLE 0x172
#define KEY_ANGLE 0x173
#define KEY_FULL_SCREEN 0x174
#define KEY_ZOOM KEY_FULL_SCREEN
#define KEY_MODE 0x175
#define KEY_KEYBOARD 0x176
#define KEY_ASPECT_RATIO 0x177
#define KEY_SCREEN KEY_ASPECT_RATIO
#define KEY_PC 0x178
#define KEY_TV 0x179
#define KEY_TV2 0x17a
#define KEY_VCR 0x17b
#define KEY_VCR2 0x17c
#define KEY_SAT 0x17d
#define KEY_SAT2 0x17e
#define KEY_CD 0x17f
#define KEY_TAPE 0x180
#define KEY_RADIO 0x181
#define KEY_TUNER 0x182
#define KEY_PLAYER 0x183
#define KEY_TEXT 0x184
#define KEY_DVD 0x185
#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
#define KEY_CALENDAR 0x18d
#define KEY_RED 0x18e
#define KEY_GREEN 0x18f
#define KEY_YELLOW 0x190
#define KEY_BLUE 0x191
#define KEY_CHANNELUP 0x192
#define KEY_CHANNELDOWN 0x193
#define KEY_FIRST 0x194
#define KEY_LAST 0x195
#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
#define KEY_GAMES 0x1a1
#define KEY_ZOOMIN 0x1a2
#define KEY_ZOOMOUT 0x1a3
#define KEY_ZOOMRESET 0x1a4
#define KEY_WORDPROCESSOR 0x1a5
#define KEY_EDITOR 0x1a6
#define KEY_SPREADSHEET 0x1a7
#define KEY_GRAPHICSEDITOR 0x1a8
#define KEY_PRESENTATION 0x1a9
#define KEY_DATABASE 0x1aa
#define KEY_NEWS 0x1ab
#define KEY_VOICEMAIL 0x1ac
#define KEY_ADDRESSBOOK 0x1ad
#define KEY_MESSENGER 0x1ae
#define KEY_DISPLAYTOGGLE 0x1af
#define KEY_BRIGHTNESS_TOGGLE KEY_DISPLAYTOGGLE
#define KEY_SPELLCHECK 0x1b0
#define KEY_LOGOFF 0x1b1
#define KEY_DOLLAR 0x1b2
#define KEY_EURO 0x1b3
#define KEY_FRAMEBACK 0x1b4
#define KEY_FRAMEFORWARD 0x1b5
#define KEY_CONTEXT_MENU 0x1b6
#define KEY_MEDIA_REPEAT 0x1b7
#define KEY_10CHANNELSUP 0x1b8
#define KEY_10CHANNELSDOWN 0x1b9
#define KEY_IMAGES 0x1ba
#define KEY_NOTIFICATION_CENTER 0x1bc
#define KEY_PICKUP_PHONE 0x1bd
#define KEY_HANGUP_PHONE 0x1be
#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_FN_RIGHT_SHIFT 0x1e5
#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
#define KEY_NUMERIC_1 0x201
#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_NUMERIC_A 0x20c
#define KEY_NUMERIC_B 0x20d
#define KEY_NUMERIC_C 0x20e
#define KEY_NUMERIC_D 0x20f
#define KEY_CAMERA_FOCUS 0x210
#define KEY_WPS_BUTTON 0x211
#define KEY_TOUCHPAD_TOGGLE 0x212
#define KEY_TOUCHPAD_ON 0x213
#define KEY_TOUCHPAD_OFF 0x214
#define KEY_CAMERA_ZOOMIN 0x215
#define KEY_CAMERA_ZOOMOUT 0x216
#define KEY_CAMERA_UP 0x217
#define KEY_CAMERA_DOWN 0x218
#define KEY_CAMERA_LEFT 0x219
#define KEY_CAMERA_RIGHT 0x21a
#define KEY_ATTENDANT_ON 0x21b
#define KEY_ATTENDANT_OFF 0x21c
#define KEY_ATTENDANT_TOGGLE 0x21d
#define KEY_LIGHTS_TOGGLE 0x21e
#define BTN_DPAD_UP 0x220
#define BTN_DPAD_DOWN 0x221
#define BTN_DPAD_LEFT 0x222
#define BTN_DPAD_RIGHT 0x223
#define KEY_ALS_TOGGLE 0x230
#define KEY_ROTATE_LOCK_TOGGLE 0x231
#define KEY_BUTTONCONFIG 0x240
#define KEY_TASKMANAGER 0x241
#define KEY_JOURNAL 0x242
#define KEY_CONTROLPANEL 0x243
#define KEY_APPSELECT 0x244
#define KEY_SCREENSAVER 0x245
#define KEY_VOICECOMMAND 0x246
#define KEY_ASSISTANT 0x247
#define KEY_KBD_LAYOUT_NEXT 0x248
#define KEY_EMOJI_PICKER 0x249
#define KEY_DICTATE 0x24a
#define KEY_CAMERA_ACCESS_ENABLE 0x24b
#define KEY_CAMERA_ACCESS_DISABLE 0x24c
#define KEY_CAMERA_ACCESS_TOGGLE 0x24d
#define KEY_BRIGHTNESS_MIN 0x250
#define KEY_BRIGHTNESS_MAX 0x251
#define KEY_KBDINPUTASSIST_PREV 0x260
#define KEY_KBDINPUTASSIST_NEXT 0x261
#define KEY_KBDINPUTASSIST_PREVGROUP 0x262
#define KEY_KBDINPUTASSIST_NEXTGROUP 0x263
#define KEY_KBDINPUTASSIST_ACCEPT 0x264
#define KEY_KBDINPUTASSIST_CANCEL 0x265
#define KEY_RIGHT_UP 0x266
#define KEY_RIGHT_DOWN 0x267
#define KEY_LEFT_UP 0x268
#define KEY_LEFT_DOWN 0x269
#define KEY_ROOT_MENU 0x26a
#define KEY_MEDIA_TOP_MENU 0x26b
#define KEY_NUMERIC_11 0x26c
#define KEY_NUMERIC_12 0x26d
#define KEY_AUDIO_DESC 0x26e
#define KEY_3D_MODE 0x26f
#define KEY_NEXT_FAVORITE 0x270
#define KEY_STOP_RECORD 0x271
#define KEY_PAUSE_RECORD 0x272
#define KEY_VOD 0x273
#define KEY_UNMUTE 0x274
#define KEY_FASTREVERSE 0x275
#define KEY_SLOWREVERSE 0x276
#define KEY_DATA 0x277
#define KEY_ONSCREEN_KEYBOARD 0x278
#define KEY_PRIVACY_SCREEN_TOGGLE 0x279
#define KEY_SELECTIVE_SCREENSHOT 0x27a
#define KEY_NEXT_ELEMENT 0x27b
#define KEY_PREVIOUS_ELEMENT 0x27c
#define KEY_AUTOPILOT_ENGAGE_TOGGLE 0x27d
#define KEY_MARK_WAYPOINT 0x27e
#define KEY_SOS 0x27f
#define KEY_NAV_CHART 0x280
#define KEY_FISHING_CHART 0x281
#define KEY_SINGLE_RANGE_RADAR 0x282
#define KEY_DUAL_RANGE_RADAR 0x283
#define KEY_RADAR_OVERLAY 0x284
#define KEY_TRADITIONAL_SONAR 0x285
#define KEY_CLEARVU_SONAR 0x286
#define KEY_SIDEVU_SONAR 0x287
#define KEY_NAV_INFO 0x288
#define KEY_BRIGHTNESS_MENU 0x289
#define KEY_MACRO1 0x290
#define KEY_MACRO2 0x291
#define KEY_MACRO3 0x292
#define KEY_MACRO4 0x293
#define KEY_MACRO5 0x294
#define KEY_MACRO6 0x295
#define KEY_MACRO7 0x296
#define KEY_MACRO8 0x297
#define KEY_MACRO9 0x298
#define KEY_MACRO10 0x299
#define KEY_MACRO11 0x29a
#define KEY_MACRO12 0x29b
#define KEY_MACRO13 0x29c
#define KEY_MACRO14 0x29d
#define KEY_MACRO15 0x29e
#define KEY_MACRO16 0x29f
#define KEY_MACRO17 0x2a0
#define KEY_MACRO18 0x2a1
#define KEY_MACRO19 0x2a2
#define KEY_MACRO20 0x2a3
#define KEY_MACRO21 0x2a4
#define KEY_MACRO22 0x2a5
#define KEY_MACRO23 0x2a6
#define KEY_MACRO24 0x2a7
#define KEY_MACRO25 0x2a8
#define KEY_MACRO26 0x2a9
#define KEY_MACRO27 0x2aa
#define KEY_MACRO28 0x2ab
#define KEY_MACRO29 0x2ac
#define KEY_MACRO30 0x2ad
#define KEY_MACRO_RECORD_START 0x2b0
#define KEY_MACRO_RECORD_STOP 0x2b1
#define KEY_MACRO_PRESET_CYCLE 0x2b2
#define KEY_MACRO_PRESET1 0x2b3
#define KEY_MACRO_PRESET2 0x2b4
#define KEY_MACRO_PRESET3 0x2b5
#define KEY_KBD_LCD_MENU1 0x2b8
#define KEY_KBD_LCD_MENU2 0x2b9
#define KEY_KBD_LCD_MENU3 0x2ba
#define KEY_KBD_LCD_MENU4 0x2bb
#define KEY_KBD_LCD_MENU5 0x2bc
#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
#define KEY_MIN_INTERESTING KEY_MUTE
#define KEY_MAX 0x2ff
#define KEY_CNT (KEY_MAX + 1)
#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_RESERVED 0x0a
#define REL_WHEEL_HI_RES 0x0b
#define REL_HWHEEL_HI_RES 0x0c
#define REL_MAX 0x0f
#define REL_CNT (REL_MAX + 1)
#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_PROFILE 0x21
#define ABS_MISC 0x28
#define ABS_RESERVED 0x2e
#define ABS_MT_SLOT 0x2f
#define ABS_MT_TOUCH_MAJOR 0x30
#define ABS_MT_TOUCH_MINOR 0x31
#define ABS_MT_WIDTH_MAJOR 0x32
#define ABS_MT_WIDTH_MINOR 0x33
#define ABS_MT_ORIENTATION 0x34
#define ABS_MT_POSITION_X 0x35
#define ABS_MT_POSITION_Y 0x36
#define ABS_MT_TOOL_TYPE 0x37
#define ABS_MT_BLOB_ID 0x38
#define ABS_MT_TRACKING_ID 0x39
#define ABS_MT_PRESSURE 0x3a
#define ABS_MT_DISTANCE 0x3b
#define ABS_MT_TOOL_X 0x3c
#define ABS_MT_TOOL_Y 0x3d
#define ABS_MAX 0x3f
#define ABS_CNT (ABS_MAX + 1)
#define SW_LID 0x00
#define SW_TABLET_MODE 0x01
#define SW_HEADPHONE_INSERT 0x02
#define SW_RFKILL_ALL 0x03
#define SW_RADIO SW_RFKILL_ALL
#define SW_MICROPHONE_INSERT 0x04
#define SW_DOCK 0x05
#define SW_LINEOUT_INSERT 0x06
#define SW_JACK_PHYSICAL_INSERT 0x07
#define SW_VIDEOOUT_INSERT 0x08
#define SW_CAMERA_LENS_COVER 0x09
#define SW_KEYPAD_SLIDE 0x0a
#define SW_FRONT_PROXIMITY 0x0b
#define SW_ROTATE_LOCK 0x0c
#define SW_LINEIN_INSERT 0x0d
#define SW_MUTE_DEVICE 0x0e
#define SW_PEN_INSERTED 0x0f
#define SW_MACHINE_COVER 0x10
#define SW_MAX 0x10
#define SW_CNT (SW_MAX + 1)
#define MSC_SERIAL 0x00
#define MSC_PULSELED 0x01
#define MSC_GESTURE 0x02
#define MSC_RAW 0x03
#define MSC_SCAN 0x04
#define MSC_TIMESTAMP 0x05
#define MSC_MAX 0x07
#define MSC_CNT (MSC_MAX + 1)
#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)
#define REP_DELAY 0x00
#define REP_PERIOD 0x01
#define REP_MAX 0x01
#define REP_CNT (REP_MAX + 1)
#define SND_CLICK 0x00
#define SND_BELL 0x01
#define SND_TONE 0x02
#define SND_MAX 0x07
#define SND_CNT (SND_MAX + 1)
#endif

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/****************************************************************************
* drivers/virtio/virtio-input.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <stdio.h>
#include <errno.h>
#include <debug.h>
#include <string.h>
#include <sys/param.h>
#include <nuttx/queue.h>
#include <nuttx/kmalloc.h>
#include <nuttx/virtio/virtio.h>
#include <nuttx/input/mouse.h>
#include <nuttx/input/touchscreen.h>
#include <nuttx/input/keyboard.h>
#include <nuttx/input/kbd_codec.h>
#include "virtio-input.h"
#include "virtio-input-event-codes.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define VIRTIO_INPUT_EVENT 0
#define VIRTIO_INPUT_NUM 1
#define VIRTIO_INPUT_EVT_NUM 8
/****************************************************************************
* Private Types
****************************************************************************/
struct virtio_input_priv;
typedef void (*virtio_send_event_handler)(FAR struct virtio_input_priv *,
FAR struct virtio_input_event *);
struct virtio_input_priv
{
FAR struct virtio_device *vdev;
char name[NAME_MAX]; /* Device name */
struct virtio_input_event evt[VIRTIO_INPUT_EVT_NUM];
size_t evtnum; /* Input event number */
struct work_s work; /* Supports the interrupt handling "bottom half" */
virtio_send_event_handler eventhandler;
union
{
struct mouse_lowerhalf_s mouselower; /* Mouse device lowerhalf instance */
struct keyboard_lowerhalf_s keyboardlower; /* Keyboard device lowerhalf instance */
struct touch_lowerhalf_s touchlower; /* Touchpad device lowerhalf instance */
};
union
{
struct mouse_report_s mousesample; /* Mouse event */
struct keyboard_event_s keyboardsample; /* Keyboard event */
struct touch_sample_s touchsample; /* Touchpad event */
};
};
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
static int virtio_input_probe(FAR struct virtio_device *vdev);
static void virtio_input_remove(FAR struct virtio_device *vdev);
/****************************************************************************
* Private Data
****************************************************************************/
static struct virtio_driver g_virtio_input_driver =
{
.node = LIST_INITIAL_VALUE(g_virtio_input_driver.node), /* node */
.device = VIRTIO_ID_INPUT, /* device id */
.probe = virtio_input_probe, /* probe */
.remove = virtio_input_remove, /* remove */
};
static int g_virtio_mouse_idx = 0;
static int g_virtio_touch_idx = 0;
static int g_virtio_keyboard_idx = 0;
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: virtio_input_translate_keycode
****************************************************************************/
static uint32_t virtio_input_translate_keycode(uint16_t keycode)
{
switch (keycode)
{
case KEY_DELETE:
return KEYCODE_FWDDEL;
case KEY_BACKSPACE:
return KEYCODE_BACKDEL;
case KEY_HOME:
return KEYCODE_HOME;
case KEY_END:
return KEYCODE_END;
case KEY_LEFT:
return KEYCODE_LEFT;
case KEY_RIGHT:
return KEYCODE_RIGHT;
case KEY_UP:
return KEYCODE_UP;
case KEY_DOWN:
return KEYCODE_DOWN;
case KEY_PAGEUP:
return KEYCODE_PAGEUP;
case KEY_PAGEDOWN:
return KEYCODE_PAGEDOWN;
case KEY_ENTER:
return KEYCODE_ENTER;
case KEY_CAPSLOCK:
return KEYCODE_CAPSLOCK;
case KEY_SCROLLLOCK:
return KEYCODE_SCROLLLOCK;
case KEY_NUMLOCK:
return KEYCODE_NUMLOCK;
case KEY_SYSRQ:
return KEYCODE_PRTSCRN;
case KEY_F1:
return KEYCODE_F1;
case KEY_F2:
return KEYCODE_F2;
case KEY_F3:
return KEYCODE_F3;
case KEY_F4:
return KEYCODE_F4;
case KEY_F5:
return KEYCODE_F5;
case KEY_F6:
return KEYCODE_F6;
case KEY_F7:
return KEYCODE_F7;
case KEY_F8:
return KEYCODE_F8;
case KEY_F9:
return KEYCODE_F9;
case KEY_F10:
return KEYCODE_F10;
case KEY_F11:
return KEYCODE_F11;
case KEY_F12:
return KEYCODE_F12;
case KEY_F13:
return KEYCODE_F13;
case KEY_F14:
return KEYCODE_F14;
case KEY_F15:
return KEYCODE_F15;
case KEY_F16:
return KEYCODE_F16;
case KEY_F17:
return KEYCODE_F17;
case KEY_F18:
return KEYCODE_F18;
case KEY_F19:
return KEYCODE_F19;
case KEY_F20:
return KEYCODE_F20;
case KEY_F21:
return KEYCODE_F21;
case KEY_F22:
return KEYCODE_F22;
case KEY_F23:
return KEYCODE_F23;
case KEY_F24:
return KEYCODE_F24;
default:
return keycode;
}
}
/****************************************************************************
* Name: virtio_input_send_keyboard_event
****************************************************************************/
static void
virtio_input_send_keyboard_event(FAR struct virtio_input_priv *priv,
FAR struct virtio_input_event *event)
{
if (event->type == EV_KEY)
{
priv->keyboardsample.code =
virtio_input_translate_keycode(event->code);
priv->keyboardsample.type = event->value;
}
else if (event->type == EV_SYN && event->code == SYN_REPORT)
{
keyboard_event(&(priv->keyboardlower),
priv->keyboardsample.code,
priv->keyboardsample.type);
memset(&priv->keyboardsample, 0, sizeof(priv->keyboardsample));
}
}
/****************************************************************************
* Name: virtio_input_send_mouse_event
****************************************************************************/
static void
virtio_input_send_mouse_event(FAR struct virtio_input_priv *priv,
FAR struct virtio_input_event *event)
{
if (event->type == EV_REL)
{
switch (event->code)
{
case REL_X:
priv->mousesample.x = event->value;
break;
case REL_Y:
priv->mousesample.y = event->value;
break;
#ifdef CONFIG_INPUT_MOUSE_WHEEL
case REL_WHEEL:
priv->mousesample.wheel = event->value;
break;
#endif
}
}
else if (event->type == EV_KEY)
{
switch (event->code)
{
case BTN_LEFT:
if (event->value)
{
priv->mousesample.buttons |= MOUSE_BUTTON_1;
}
break;
case BTN_RIGHT:
if (event->value)
{
priv->mousesample.buttons |= MOUSE_BUTTON_2;
}
break;
case BTN_MIDDLE:
if (event->value)
{
priv->mousesample.buttons |= MOUSE_BUTTON_3;
}
break;
}
}
else if (event->type == EV_SYN && event->code == SYN_REPORT)
{
mouse_event(priv->mouselower.priv, &priv->mousesample);
memset(&priv->mousesample, 0, sizeof(priv->mousesample));
}
}
/****************************************************************************
* Name: virtio_input_send_touch_event
****************************************************************************/
static void
virtio_input_send_touch_event(FAR struct virtio_input_priv *priv,
FAR struct virtio_input_event *event)
{
if (event->type == EV_ABS)
{
switch (event->code)
{
case ABS_PRESSURE:
priv->touchsample.point[0].flags |= TOUCH_PRESSURE_VALID;
priv->touchsample.point[0].pressure = event->value;
break;
case ABS_X:
priv->touchsample.point[0].flags |= TOUCH_POS_VALID;
priv->touchsample.point[0].x = event->value;
break;
case ABS_Y:
priv->touchsample.point[0].flags |= TOUCH_POS_VALID;
priv->touchsample.point[0].y = event->value;
break;
}
}
else if (event->type == EV_SYN && event->code == SYN_REPORT)
{
priv->touchsample.npoints = 1;
priv->touchsample.point[0].timestamp = touch_get_time();
touch_event(priv->touchlower.priv, &priv->touchsample);
memset(&priv->touchsample, 0, sizeof(priv->touchsample));
}
}
/****************************************************************************
* Name: virtio_input_worker
****************************************************************************/
static void virtio_input_worker(FAR void *arg)
{
FAR struct virtio_input_priv *priv = (FAR struct virtio_input_priv *)arg;
FAR struct virtqueue *vq = priv->vdev->vrings_info[VIRTIO_INPUT_EVENT].vq;
FAR struct virtio_input_event *evt;
FAR struct virtqueue_buf vb;
uint32_t len;
while ((evt = (FAR struct virtio_input_event *)
virtqueue_get_buffer(vq, &len, NULL)) != NULL)
{
vrtinfo("virtio_input_worker (type,code,value) - (%d,%d,%d).\n",
evt->type, evt->code, evt->value);
priv->eventhandler(priv, evt);
vb.buf = evt;
vb.len = len;
virtqueue_add_buffer(vq, &vb, 0, 1, vb.buf);
}
virtqueue_kick(vq);
}
/****************************************************************************
* Name: virtio_input_recv_events
****************************************************************************/
static void virtio_input_recv_events(FAR struct virtqueue *vq)
{
FAR struct virtio_input_priv *priv = vq->vq_dev->priv;
int ret;
ret = work_queue(HPWORK, &priv->work, virtio_input_worker, priv, 0);
if (ret != 0)
{
vrterr("ERROR: Failed to queue work: %d\n", ret);
}
return;
}
/****************************************************************************
* Name: virtio_input_fill_event
****************************************************************************/
static void virtio_input_fill_event(FAR struct virtio_input_priv *priv)
{
FAR struct virtqueue *vq = priv->vdev->vrings_info[VIRTIO_INPUT_EVENT].vq;
FAR struct virtqueue_buf vb;
int i;
for (i = 0; i < priv->evtnum; i++)
{
vb.buf = &priv->evt[i];
vb.len = sizeof(struct virtio_input_event);
virtqueue_add_buffer(vq, &vb, 0, 1, vb.buf);
}
virtqueue_kick(vq);
}
/****************************************************************************
* Name: virtio_input_select_cfg
****************************************************************************/
static uint8_t virtio_input_select_cfg(FAR struct virtio_input_priv *priv,
uint8_t select, uint8_t subsel)
{
uint8_t cfg_size = 0;
virtio_write_config(priv->vdev, offsetof(struct virtio_input_config,
select), &select, sizeof(uint8_t));
virtio_write_config(priv->vdev, offsetof(struct virtio_input_config,
subsel), &subsel, sizeof(uint8_t));
virtio_read_config(priv->vdev, offsetof(struct virtio_input_config,
size), &cfg_size, sizeof(uint8_t));
return cfg_size;
}
/****************************************************************************
* Name: virtio_input_register
****************************************************************************/
static void virtio_input_register(FAR struct virtio_input_priv *priv)
{
if (virtio_input_select_cfg(priv, VIRTIO_INPUT_CFG_EV_BITS, EV_ABS))
{
priv->touchlower.maxpoint = 1;
snprintf(priv->name, NAME_MAX, "/dev/virtinput%d",
g_virtio_touch_idx++);
touch_register(&(priv->touchlower),
priv->name,
priv->evtnum);
priv->eventhandler = virtio_input_send_touch_event;
}
else if (virtio_input_select_cfg(priv, VIRTIO_INPUT_CFG_EV_BITS, EV_REL))
{
snprintf(priv->name, NAME_MAX, "/dev/virtmouse%d",
g_virtio_mouse_idx++);
mouse_register(&(priv->mouselower),
priv->name,
priv->evtnum);
priv->eventhandler = virtio_input_send_mouse_event;
}
else if (virtio_input_select_cfg(priv, VIRTIO_INPUT_CFG_EV_BITS, EV_KEY))
{
snprintf(priv->name, NAME_MAX, "/dev/virtkbd%d",
g_virtio_keyboard_idx++);
keyboard_register(&(priv->keyboardlower),
priv->name,
priv->evtnum);
priv->eventhandler = virtio_input_send_keyboard_event;
}
}
/****************************************************************************
* Name: virtio_input_probe
****************************************************************************/
static int virtio_input_probe(FAR struct virtio_device *vdev)
{
FAR struct virtio_input_priv *priv;
FAR const char *vqnames[VIRTIO_INPUT_NUM];
vq_callback callbacks[VIRTIO_INPUT_NUM];
int ret;
priv = kmm_zalloc(sizeof(*priv));
if (priv == NULL)
{
vrterr("No enough memory\n");
return -ENOMEM;
}
priv->vdev = vdev;
vdev->priv = priv;
/* Initialize the virtio device */
virtio_set_status(vdev, VIRTIO_CONFIG_STATUS_DRIVER);
virtio_set_features(vdev, 0);
virtio_set_status(vdev, VIRTIO_CONFIG_FEATURES_OK);
vqnames[VIRTIO_INPUT_EVENT] = "virtio_input_event";
callbacks[VIRTIO_INPUT_EVENT] = virtio_input_recv_events;
ret = virtio_create_virtqueues(vdev, 0, VIRTIO_INPUT_NUM, vqnames,
callbacks);
if (ret < 0)
{
vrterr("virtio_device_create_virtqueue failed, ret=%d\n", ret);
virtio_reset_device(vdev);
kmm_free(priv);
return ret;
}
virtio_set_status(vdev, VIRTIO_CONFIG_STATUS_DRIVER_OK);
virtqueue_enable_cb(vdev->vrings_info[VIRTIO_INPUT_EVENT].vq);
priv->evtnum = MIN(vdev->vrings_info[VIRTIO_INPUT_EVENT].info.num_descs,
VIRTIO_INPUT_EVT_NUM);
/* register lower half drivers */
virtio_input_register(priv);
virtio_input_fill_event(priv);
return ret;
}
/****************************************************************************
* Name: virtio_input_remove
****************************************************************************/
static void virtio_input_remove(FAR struct virtio_device *vdev)
{
FAR struct virtio_input_priv *priv = vdev->priv;
if (priv->eventhandler == virtio_input_send_keyboard_event)
{
keyboard_unregister(&(priv->keyboardlower), priv->name);
}
else if (priv->eventhandler == virtio_input_send_mouse_event)
{
mouse_unregister(&(priv->mouselower), priv->name);
}
else if (priv->eventhandler == virtio_input_send_touch_event)
{
touch_unregister(&(priv->touchlower), priv->name);
}
virtio_reset_device(vdev);
virtio_delete_virtqueues(vdev);
kmm_free(priv);
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: virtio_register_input_driver
****************************************************************************/
int virtio_register_input_driver(void)
{
return virtio_register_driver(&g_virtio_input_driver);
}

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/****************************************************************************
* drivers/virtio/virtio-input.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __DRIVERS_VIRTIO_VIRTIO_INPUT_H
#define __DRIVERS_VIRTIO_VIRTIO_INPUT_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/compiler.h>
#include <stdint.h>
#ifdef CONFIG_DRIVERS_VIRTIO_INPUT
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define VIRTIO_INPUT_CFG_UNSET 0x00
#define VIRTIO_INPUT_CFG_ID_NAME 0x01
#define VIRTIO_INPUT_CFG_ID_SERIAL 0x02
#define VIRTIO_INPUT_CFG_ID_DEVIDS 0x03
#define VIRTIO_INPUT_CFG_PROP_BITS 0x10
#define VIRTIO_INPUT_CFG_EV_BITS 0x11
#define VIRTIO_INPUT_CFG_ABS_INFO 0x12
#define VIRTIO_INPUT_CHUNK_SIZE 128 /* 128 bytes per chunk */
/****************************************************************************
* Public Types
****************************************************************************/
begin_packed_struct struct virtio_input_absinfo
{
uint32_t min;
uint32_t max;
uint32_t fuzz;
uint32_t flat;
uint32_t res;
} end_packed_struct;
begin_packed_struct struct virtio_input_devids
{
uint16_t bustype;
uint16_t vendor;
uint16_t product;
uint16_t version;
} end_packed_struct;
begin_packed_struct struct virtio_input_config
{
uint8_t select;
uint8_t subsel;
uint8_t size;
uint8_t reserved[5];
union
{
char string[VIRTIO_INPUT_CHUNK_SIZE];
uint8_t bitmap[VIRTIO_INPUT_CHUNK_SIZE];
struct virtio_input_absinfo abs;
struct virtio_input_devids ids;
} u;
} end_packed_struct;
begin_packed_struct struct virtio_input_event
{
uint16_t type;
uint16_t code;
uint32_t value;
} end_packed_struct;
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
int virtio_register_input_driver(void);
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* CONFIG_DRIVERS_VIRTIO_INPUT */
#endif /* __DRIVERS_VIRTIO_VIRTIO_INPUT_H */

9
drivers/virtio/virtio.c
View File

@ -30,6 +30,7 @@
#include "virtio-blk.h"
#include "virtio-gpu.h"
#include "virtio-input.h"
#include "virtio-net.h"
#include "virtio-rng.h"
#include "virtio-serial.h"
@ -135,6 +136,14 @@ void virtio_register_drivers(void)
}
#endif
#ifdef CONFIG_DRIVERS_VIRTIO_INPUT
ret = virtio_register_input_driver();
if (ret < 0)
{
vrterr("virtio_register_input_driver failed, ret=%d\n", ret);
}
#endif
#ifdef CONFIG_DRIVERS_VIRTIO_NET
ret = virtio_register_net_driver();
if (ret < 0)