1/*- 2 * Copyright (c) 2014 Jakub Wojciech Klama <jceel@FreeBSD.org> 3 * Copyright (c) 2015-2016 Vladimir Kondratyev <wulf@FreeBSD.org> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD: stable/11/sys/dev/evdev/evdev_utils.c 362598 2020-06-25 00:01:24Z wulf $ 28 */ 29 30#include <sys/param.h> 31#include <sys/bus.h> 32#include <sys/conf.h> 33#include <sys/kbio.h> 34#include <sys/kernel.h> 35#include <sys/lock.h> 36#include <sys/malloc.h> 37#include <sys/mutex.h> 38#include <sys/systm.h> 39 40#include <dev/evdev/evdev.h> 41#include <dev/evdev/input.h> 42 43#include <dev/kbd/kbdreg.h> 44 45#define NONE KEY_RESERVED 46 47static uint16_t evdev_usb_scancodes[256] = { 48 /* 0x00 - 0x27 */ 49 NONE, NONE, NONE, NONE, KEY_A, KEY_B, KEY_C, KEY_D, 50 KEY_E, KEY_F, KEY_G, KEY_H, KEY_I, KEY_J, KEY_K, KEY_L, 51 KEY_M, KEY_N, KEY_O, KEY_P, KEY_Q, KEY_R, KEY_S, KEY_T, 52 KEY_U, KEY_V, KEY_W, KEY_X, KEY_Y, KEY_Z, KEY_1, KEY_2, 53 KEY_3, KEY_4, KEY_5, KEY_6, KEY_7, KEY_8, KEY_9, KEY_0, 54 /* 0x28 - 0x3f */ 55 KEY_ENTER, KEY_ESC, KEY_BACKSPACE, KEY_TAB, 56 KEY_SPACE, KEY_MINUS, KEY_EQUAL, KEY_LEFTBRACE, 57 KEY_RIGHTBRACE, KEY_BACKSLASH, KEY_BACKSLASH, KEY_SEMICOLON, 58 KEY_APOSTROPHE, KEY_GRAVE, KEY_COMMA, KEY_DOT, 59 KEY_SLASH, KEY_CAPSLOCK, KEY_F1, KEY_F2, 60 KEY_F3, KEY_F4, KEY_F5, KEY_F6, 61 /* 0x40 - 0x5f */ 62 KEY_F7, KEY_F8, KEY_F9, KEY_F10, 63 KEY_F11, KEY_F12, KEY_SYSRQ, KEY_SCROLLLOCK, 64 KEY_PAUSE, KEY_INSERT, KEY_HOME, KEY_PAGEUP, 65 KEY_DELETE, KEY_END, KEY_PAGEDOWN, KEY_RIGHT, 66 KEY_LEFT, KEY_DOWN, KEY_UP, KEY_NUMLOCK, 67 KEY_KPSLASH, KEY_KPASTERISK, KEY_KPMINUS, KEY_KPPLUS, 68 KEY_KPENTER, KEY_KP1, KEY_KP2, KEY_KP3, 69 KEY_KP4, KEY_KP5, KEY_KP6, KEY_KP7, 70 /* 0x60 - 0x7f */ 71 KEY_KP8, KEY_KP9, KEY_KP0, KEY_KPDOT, 72 KEY_102ND, KEY_COMPOSE, KEY_POWER, KEY_KPEQUAL, 73 KEY_F13, KEY_F14, KEY_F15, KEY_F16, 74 KEY_F17, KEY_F18, KEY_F19, KEY_F20, 75 KEY_F21, KEY_F22, KEY_F23, KEY_F24, 76 KEY_OPEN, KEY_HELP, KEY_PROPS, KEY_FRONT, 77 KEY_STOP, KEY_AGAIN, KEY_UNDO, KEY_CUT, 78 KEY_COPY, KEY_PASTE, KEY_FIND, KEY_MUTE, 79 /* 0x80 - 0x9f */ 80 KEY_VOLUMEUP, KEY_VOLUMEDOWN, NONE, NONE, 81 NONE, KEY_KPCOMMA, NONE, KEY_RO, 82 KEY_KATAKANAHIRAGANA, KEY_YEN,KEY_HENKAN, KEY_MUHENKAN, 83 KEY_KPJPCOMMA, NONE, NONE, NONE, 84 KEY_HANGEUL, KEY_HANJA, KEY_KATAKANA, KEY_HIRAGANA, 85 KEY_ZENKAKUHANKAKU, NONE, NONE, NONE, 86 NONE, NONE, NONE, NONE, 87 NONE, NONE, NONE, NONE, 88 /* 0xa0 - 0xbf */ 89 NONE, NONE, NONE, NONE, 90 NONE, NONE, NONE, NONE, 91 NONE, NONE, NONE, NONE, 92 NONE, NONE, NONE, NONE, 93 NONE, NONE, NONE, NONE, 94 NONE, NONE, NONE, NONE, 95 NONE, NONE, NONE, NONE, 96 NONE, NONE, NONE, NONE, 97 /* 0xc0 - 0xdf */ 98 NONE, NONE, NONE, NONE, 99 NONE, NONE, NONE, NONE, 100 NONE, NONE, NONE, NONE, 101 NONE, NONE, NONE, NONE, 102 NONE, NONE, NONE, NONE, 103 NONE, NONE, NONE, NONE, 104 NONE, NONE, NONE, NONE, 105 NONE, NONE, NONE, NONE, 106 /* 0xe0 - 0xff */ 107 KEY_LEFTCTRL, KEY_LEFTSHIFT, KEY_LEFTALT, KEY_LEFTMETA, 108 KEY_RIGHTCTRL, KEY_RIGHTSHIFT, KEY_RIGHTALT, KEY_RIGHTMETA, 109 KEY_PLAYPAUSE, KEY_STOPCD, KEY_PREVIOUSSONG,KEY_NEXTSONG, 110 KEY_EJECTCD, KEY_VOLUMEUP, KEY_VOLUMEDOWN, KEY_MUTE, 111 KEY_WWW, KEY_BACK, KEY_FORWARD, KEY_STOP, 112 KEY_FIND, KEY_SCROLLUP, KEY_SCROLLDOWN, KEY_EDIT, 113 KEY_SLEEP, KEY_COFFEE, KEY_REFRESH, KEY_CALC, 114 NONE, NONE, NONE, NONE, 115 116}; 117 118static uint16_t evdev_at_set1_scancodes[] = { 119 /* 0x00 - 0x1f */ 120 NONE, KEY_ESC, KEY_1, KEY_2, 121 KEY_3, KEY_4, KEY_5, KEY_6, 122 KEY_7, KEY_8, KEY_9, KEY_0, 123 KEY_MINUS, KEY_EQUAL, KEY_BACKSPACE, KEY_TAB, 124 KEY_Q, KEY_W, KEY_E, KEY_R, 125 KEY_T, KEY_Y, KEY_U, KEY_I, 126 KEY_O, KEY_P, KEY_LEFTBRACE, KEY_RIGHTBRACE, 127 KEY_ENTER, KEY_LEFTCTRL, KEY_A, KEY_S, 128 /* 0x20 - 0x3f */ 129 KEY_D, KEY_F, KEY_G, KEY_H, 130 KEY_J, KEY_K, KEY_L, KEY_SEMICOLON, 131 KEY_APOSTROPHE, KEY_GRAVE, KEY_LEFTSHIFT, KEY_BACKSLASH, 132 KEY_Z, KEY_X, KEY_C, KEY_V, 133 KEY_B, KEY_N, KEY_M, KEY_COMMA, 134 KEY_DOT, KEY_SLASH, KEY_RIGHTSHIFT, KEY_KPASTERISK, 135 KEY_LEFTALT, KEY_SPACE, KEY_CAPSLOCK, KEY_F1, 136 KEY_F2, KEY_F3, KEY_F4, KEY_F5, 137 /* 0x40 - 0x5f */ 138 KEY_F6, KEY_F7, KEY_F8, KEY_F9, 139 KEY_F10, KEY_NUMLOCK, KEY_SCROLLLOCK, KEY_KP7, 140 KEY_KP8, KEY_KP9, KEY_KPMINUS, KEY_KP4, 141 KEY_KP5, KEY_KP6, KEY_KPPLUS, KEY_KP1, 142 KEY_KP2, KEY_KP3, KEY_KP0, KEY_KPDOT, 143 NONE, NONE, KEY_102ND, KEY_F11, 144 KEY_F12, NONE, NONE, NONE, 145 NONE, NONE, NONE, NONE, 146 /* 0x60 - 0x7f */ 147 NONE, NONE, NONE, NONE, 148 NONE, NONE, NONE, NONE, 149 NONE, NONE, NONE, NONE, 150 NONE, NONE, NONE, NONE, 151 KEY_KATAKANAHIRAGANA, KEY_HANGEUL, KEY_HANJA, KEY_RO, 152 NONE, NONE, KEY_ZENKAKUHANKAKU, KEY_HIRAGANA, 153 KEY_KATAKANA, KEY_HENKAN, NONE, KEY_MUHENKAN, 154 NONE, KEY_YEN, KEY_KPCOMMA, NONE, 155 /* 0x00 - 0x1f. 0xE0 prefixed */ 156 NONE, NONE, NONE, NONE, 157 NONE, NONE, NONE, NONE, 158 NONE, NONE, NONE, NONE, 159 NONE, NONE, NONE, NONE, 160 KEY_PREVIOUSSONG, NONE, NONE, NONE, 161 NONE, NONE, NONE, NONE, 162 NONE, KEY_NEXTSONG, NONE, NONE, 163 KEY_KPENTER, KEY_RIGHTCTRL, NONE, NONE, 164 /* 0x20 - 0x3f. 0xE0 prefixed */ 165 KEY_MUTE, KEY_CALC, KEY_PLAYPAUSE, NONE, 166 KEY_STOPCD, NONE, NONE, NONE, 167 NONE, NONE, NONE, NONE, 168 NONE, NONE, KEY_VOLUMEDOWN, NONE, 169 KEY_VOLUMEUP, NONE, KEY_HOMEPAGE, NONE, 170 NONE, KEY_KPSLASH, NONE, KEY_SYSRQ, 171 KEY_RIGHTALT, NONE, NONE, KEY_F13, 172 KEY_F14, KEY_F15, KEY_F16, KEY_F17, 173 /* 0x40 - 0x5f. 0xE0 prefixed */ 174 KEY_F18, KEY_F19, KEY_F20, KEY_F21, 175 KEY_F22, NONE, KEY_PAUSE, KEY_HOME, 176 KEY_UP, KEY_PAGEUP, NONE, KEY_LEFT, 177 NONE, KEY_RIGHT, NONE, KEY_END, 178 KEY_DOWN, KEY_PAGEDOWN, KEY_INSERT, KEY_DELETE, 179 NONE, NONE, NONE, KEY_F23, 180 KEY_F24, NONE, NONE, KEY_LEFTMETA, 181 KEY_RIGHTMETA, KEY_MENU, KEY_POWER, KEY_SLEEP, 182 /* 0x60 - 0x7f. 0xE0 prefixed */ 183 NONE, NONE, NONE, KEY_WAKEUP, 184 NONE, KEY_SEARCH, KEY_BOOKMARKS, KEY_REFRESH, 185 KEY_STOP, KEY_FORWARD, KEY_BACK, KEY_COMPUTER, 186 KEY_MAIL, KEY_MEDIA, NONE, NONE, 187 NONE, NONE, NONE, NONE, 188 NONE, NONE, NONE, NONE, 189 NONE, NONE, NONE, NONE, 190 NONE, NONE, NONE, NONE, 191}; 192 193static uint16_t evdev_mouse_button_codes[] = { 194 BTN_LEFT, 195 BTN_MIDDLE, 196 BTN_RIGHT, 197 BTN_SIDE, 198 BTN_EXTRA, 199 BTN_FORWARD, 200 BTN_BACK, 201 BTN_TASK, 202}; 203 204static uint16_t evdev_led_codes[] = { 205 LED_CAPSL, /* CLKED */ 206 LED_NUML, /* NLKED */ 207 LED_SCROLLL, /* SLKED */ 208}; 209 210uint16_t 211evdev_hid2key(int scancode) 212{ 213 return evdev_usb_scancodes[scancode]; 214} 215 216void 217evdev_support_all_known_keys(struct evdev_dev *evdev) 218{ 219 size_t i; 220 221 for (i = KEY_RESERVED; i < nitems(evdev_at_set1_scancodes); i++) 222 if (evdev_at_set1_scancodes[i] != NONE) 223 evdev_support_key(evdev, evdev_at_set1_scancodes[i]); 224} 225 226uint16_t 227evdev_scancode2key(int *state, int scancode) 228{ 229 uint16_t keycode; 230 231 /* translate the scan code into a keycode */ 232 keycode = evdev_at_set1_scancodes[scancode & 0x7f]; 233 switch (*state) { 234 case 0x00: /* normal scancode */ 235 switch(scancode) { 236 case 0xE0: 237 case 0xE1: 238 *state = scancode; 239 return (NONE); 240 } 241 break; 242 case 0xE0: /* 0xE0 prefix */ 243 *state = 0; 244 keycode = evdev_at_set1_scancodes[0x80 + (scancode & 0x7f)]; 245 break; 246 case 0xE1: /* 0xE1 prefix */ 247 /* 248 * The pause/break key on the 101 keyboard produces: 249 * E1-1D-45 E1-9D-C5 250 * Ctrl-pause/break produces: 251 * E0-46 E0-C6 (See above.) 252 */ 253 *state = 0; 254 if ((scancode & 0x7f) == 0x1D) 255 *state = scancode; 256 return (NONE); 257 /* NOT REACHED */ 258 case 0x1D: /* pause / break */ 259 case 0x9D: 260 if ((*state ^ scancode) & 0x80) 261 return (NONE); 262 *state = 0; 263 if ((scancode & 0x7f) != 0x45) 264 return (NONE); 265 keycode = KEY_PAUSE; 266 break; 267 } 268 269 return (keycode); 270} 271 272void 273evdev_push_mouse_btn(struct evdev_dev *evdev, int buttons) 274{ 275 size_t i; 276 277 for (i = 0; i < nitems(evdev_mouse_button_codes); i++) 278 evdev_push_key(evdev, evdev_mouse_button_codes[i], 279 buttons & (1 << i)); 280} 281 282void 283evdev_push_leds(struct evdev_dev *evdev, int leds) 284{ 285 size_t i; 286 287 /* Some drivers initialize leds before evdev */ 288 if (evdev == NULL) 289 return; 290 291 for (i = 0; i < nitems(evdev_led_codes); i++) 292 evdev_push_led(evdev, evdev_led_codes[i], leds & (1 << i)); 293} 294 295void 296evdev_push_repeats(struct evdev_dev *evdev, keyboard_t *kbd) 297{ 298 /* Some drivers initialize typematics before evdev */ 299 if (evdev == NULL) 300 return; 301 302 evdev_push_event(evdev, EV_REP, REP_DELAY, kbd->kb_delay1); 303 evdev_push_event(evdev, EV_REP, REP_PERIOD, kbd->kb_delay2); 304} 305 306void 307evdev_ev_kbd_event(struct evdev_dev *evdev, void *softc, uint16_t type, 308 uint16_t code, int32_t value) 309{ 310 keyboard_t *kbd = (keyboard_t *)softc; 311 int delay[2], leds, oleds; 312 size_t i; 313 314 if (type == EV_LED) { 315 leds = oleds = KBD_LED_VAL(kbd); 316 for (i = 0; i < nitems(evdev_led_codes); i++) { 317 if (evdev_led_codes[i] == code) { 318 if (value) 319 leds |= 1 << i; 320 else 321 leds &= ~(1 << i); 322 if (leds != oleds) { 323 mtx_lock(&Giant); 324 kbdd_ioctl(kbd, KDSETLED, 325 (caddr_t)&leds); 326 mtx_unlock(&Giant); 327 } 328 break; 329 } 330 } 331 } else if (type == EV_REP && code == REP_DELAY) { 332 delay[0] = value; 333 delay[1] = kbd->kb_delay2; 334 mtx_lock(&Giant); 335 kbdd_ioctl(kbd, KDSETREPEAT, (caddr_t)delay); 336 mtx_unlock(&Giant); 337 } else if (type == EV_REP && code == REP_PERIOD) { 338 delay[0] = kbd->kb_delay1; 339 delay[1] = value; 340 mtx_lock(&Giant); 341 kbdd_ioctl(kbd, KDSETREPEAT, (caddr_t)delay); 342 mtx_unlock(&Giant); 343 } 344} 345