Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/dev/hid/hidkbd.c
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1 /* $OpenBSD: hidkbd.c,v 1.8 2022/11/09 10:05:18 robert Exp $ */ 2 /* $NetBSD: ukbd.c,v 1.85 2003/03/11 16:44:00 augustss Exp $ */ 3 4 /* 5 * Copyright (c) 1998 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Lennart Augustsson (lennart@augustsson.net) at 10 * Carlstedt Research & Technology. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 /* 35 * HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf 36 */ 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/timeout.h> 41 #include <sys/kernel.h> 42 #include <sys/device.h> 43 #include <sys/ioctl.h> 44 #include <sys/malloc.h> 45 46 #include <dev/wscons/wsconsio.h> 47 #include <dev/wscons/wskbdvar.h> 48 #include <dev/wscons/wsksymdef.h> 49 #include <dev/wscons/wsksymvar.h> 50 51 #include <dev/hid/hid.h> 52 #include <dev/hid/hidkbdsc.h> 53 54 #ifdef HIDKBD_DEBUG 55 #define DPRINTF(x) do { if (hidkbddebug) printf x; } while (0) 56 #define DPRINTFN(n,x) do { if (hidkbddebug>(n)) printf x; } while (0) 57 int hidkbddebug = 0; 58 #else 59 #define DPRINTF(x) 60 #define DPRINTFN(n,x) 61 #endif 62 63 #define PRESS 0x000 64 #define RELEASE 0x100 65 #define CODEMASK 0x0ff 66 67 #if defined(WSDISPLAY_COMPAT_RAWKBD) 68 #define NN 0 /* no translation */ 69 /* 70 * Translate USB keycodes to US keyboard XT scancodes. 71 * Scancodes >= 0x80 represent EXTENDED keycodes. 72 * 73 * See http://www.microsoft.com/whdc/archive/Scancode.mspx 74 */ 75 const u_int8_t hidkbd_trtab[256] = { 76 NN, NN, NN, NN, 0x1e, 0x30, 0x2e, 0x20, /* 00 - 07 */ 77 0x12, 0x21, 0x22, 0x23, 0x17, 0x24, 0x25, 0x26, /* 08 - 0f */ 78 0x32, 0x31, 0x18, 0x19, 0x10, 0x13, 0x1f, 0x14, /* 10 - 17 */ 79 0x16, 0x2f, 0x11, 0x2d, 0x15, 0x2c, 0x02, 0x03, /* 18 - 1f */ 80 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, /* 20 - 27 */ 81 0x1c, 0x01, 0x0e, 0x0f, 0x39, 0x0c, 0x0d, 0x1a, /* 28 - 2f */ 82 0x1b, 0x2b, 0x2b, 0x27, 0x28, 0x29, 0x33, 0x34, /* 30 - 37 */ 83 0x35, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40, /* 38 - 3f */ 84 0x41, 0x42, 0x43, 0x44, 0x57, 0x58, 0xaa, 0x46, /* 40 - 47 */ 85 0x7f, 0xd2, 0xc7, 0xc9, 0xd3, 0xcf, 0xd1, 0xcd, /* 48 - 4f */ 86 0xcb, 0xd0, 0xc8, 0x45, 0xb5, 0x37, 0x4a, 0x4e, /* 50 - 57 */ 87 0x9c, 0x4f, 0x50, 0x51, 0x4b, 0x4c, 0x4d, 0x47, /* 58 - 5f */ 88 0x48, 0x49, 0x52, 0x53, 0x56, 0xdd, 0xde, 0x59, /* 60 - 67 */ 89 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, /* 68 - 6f */ 90 0x6c, 0x6d, 0x6e, 0x76, 0x97, NN, 0x93, 0x95, /* 70 - 77 */ 91 0x91, 0x92, 0x94, 0x9a, 0x96, 0x98, 0x99, 0xa0, /* 78 - 7f */ 92 0xb0, 0xae, NN, NN, NN, 0x7e, NN, 0x73, /* 80 - 87 */ 93 0x70, 0x7d, 0x79, 0x7b, 0x5c, NN, NN, NN, /* 88 - 8f */ 94 NN, NN, 0x78, 0x77, 0x76, NN, NN, NN, /* 90 - 97 */ 95 NN, NN, NN, NN, NN, NN, NN, NN, /* 98 - 9f */ 96 NN, NN, NN, NN, NN, NN, NN, NN, /* a0 - a7 */ 97 NN, NN, NN, NN, NN, NN, NN, NN, /* a8 - af */ 98 NN, NN, NN, NN, NN, NN, NN, NN, /* b0 - b7 */ 99 NN, NN, NN, NN, NN, NN, NN, NN, /* b8 - bf */ 100 NN, NN, NN, NN, NN, NN, NN, NN, /* c0 - c7 */ 101 NN, NN, NN, NN, NN, NN, NN, NN, /* c8 - cf */ 102 NN, NN, NN, NN, NN, NN, NN, NN, /* d0 - d7 */ 103 NN, NN, NN, NN, NN, NN, NN, NN, /* d8 - df */ 104 0x1d, 0x2a, 0x38, 0xdb, 0x9d, 0x36, 0xb8, 0xdc, /* e0 - e7 */ 105 NN, NN, NN, NN, NN, NN, NN, NN, /* e8 - ef */ 106 NN, NN, NN, NN, NN, NN, NN, NN, /* f0 - f7 */ 107 NN, NN, NN, NN, NN, NN, NN, NN, /* f8 - ff */ 108 }; 109 #endif /* defined(WSDISPLAY_COMPAT_RAWKBD) */ 110 111 static const struct hidkbd_translation apple_tb_trans[] = { 112 { 30, 58 }, /* 1 -> F1 */ 113 { 31, 59 }, /* 2 -> F2 */ 114 { 32, 60 }, /* 3 -> F3 */ 115 { 33, 61 }, /* 4 -> F4 */ 116 { 34, 62 }, /* 5 -> F5 */ 117 { 35, 63 }, /* 6 -> F6 */ 118 { 36, 64 }, /* 7 -> F7 */ 119 { 37, 65 }, /* 8 -> F8 */ 120 { 38, 66 }, /* 9 -> F9 */ 121 { 39, 67 }, /* 0 -> F10 */ 122 { 45, 68 }, /* - -> F11 */ 123 { 46, 69 } /* = -> F12 */ 124 }; 125 126 static const struct hidkbd_translation apple_fn_trans[] = { 127 { 40, 73 }, /* return -> insert */ 128 { 42, 76 }, /* backspace -> delete */ 129 #ifdef notyet 130 { 58, 0 }, /* F1 -> screen brightness down */ 131 { 59, 0 }, /* F2 -> screen brightness up */ 132 { 60, 0 }, /* F3 */ 133 { 61, 0 }, /* F4 */ 134 { 62, 0 }, /* F5 -> keyboard backlight down */ 135 { 63, 0 }, /* F6 -> keyboard backlight up */ 136 { 64, 0 }, /* F7 -> audio back */ 137 { 65, 0 }, /* F8 -> audio pause/play */ 138 { 66, 0 }, /* F9 -> audio next */ 139 #endif 140 #ifdef __macppc__ 141 { 58, 233 }, /* F1 -> screen brightness down */ 142 { 59, 232 }, /* F2 -> screen brightness up */ 143 { 60, 127 }, /* F3 -> audio mute */ 144 { 61, 129 }, /* F4 -> audio lower */ 145 { 62, 128 }, /* F5 -> audio raise */ 146 #else 147 { 67, 127 }, /* F10 -> audio mute */ 148 { 68, 129 }, /* F11 -> audio lower */ 149 { 69, 128 }, /* F12 -> audio raise */ 150 #endif 151 { 79, 77 }, /* right -> end */ 152 { 80, 74 }, /* left -> home */ 153 { 81, 78 }, /* down -> page down */ 154 { 82, 75 } /* up -> page up */ 155 }; 156 157 static const struct hidkbd_translation apple_mba_trans[] = { 158 { 40, 73 }, /* return -> insert */ 159 { 42, 76 }, /* backspace -> delete */ 160 #ifdef notyet 161 { 58, 0 }, /* F1 -> screen brightness down */ 162 { 59, 0 }, /* F2 -> screen brightness up */ 163 { 60, 0 }, /* F3 */ 164 { 61, 0 }, /* F4 */ 165 { 62, 0 }, /* F5 */ 166 { 63, 0 }, /* F6 -> audio back */ 167 { 64, 0 }, /* F7 -> audio pause/play */ 168 { 65, 0 }, /* F8 -> audio next */ 169 #endif 170 { 66, 127 }, /* F9 -> audio mute */ 171 { 67, 129 }, /* F10 -> audio lower */ 172 { 68, 128 }, /* F11 -> audio raise */ 173 #ifdef notyet 174 { 69, 0 }, /* F12 -> eject */ 175 #endif 176 { 79, 77 }, /* right -> end */ 177 { 80, 74 }, /* left -> home */ 178 { 81, 78 }, /* down -> page down */ 179 { 82, 75 } /* up -> page up */ 180 }; 181 182 static const struct hidkbd_translation apple_iso_trans[] = { 183 { 53, 100 }, /* less -> grave */ 184 { 100, 53 } 185 }; 186 187 #define KEY_ERROR 0x01 188 189 #ifdef HIDKBD_DEBUG 190 #define HIDKBDTRACESIZE 64 191 struct hidkbdtraceinfo { 192 int unit; 193 struct timeval tv; 194 struct hidkbd_data ud; 195 }; 196 struct hidkbdtraceinfo hidkbdtracedata[HIDKBDTRACESIZE]; 197 int hidkbdtraceindex = 0; 198 int hidkbdtrace = 0; 199 void hidkbdtracedump(void); 200 void 201 hidkbdtracedump(void) 202 { 203 int i; 204 for (i = 0; i < HIDKBDTRACESIZE; i++) { 205 struct hidkbdtraceinfo *p = 206 &hidkbdtracedata[(i+hidkbdtraceindex)%HIDKBDTRACESIZE]; 207 printf("%lld.%06ld: key0=0x%02x key1=0x%02x " 208 "key2=0x%02x key3=0x%02x\n", 209 (long long)p->tv.tv_sec, p->tv.tv_usec, 210 p->ud.keycode[0], p->ud.keycode[1], 211 p->ud.keycode[2], p->ud.keycode[3]); 212 } 213 } 214 #endif 215 216 int hidkbd_is_console; 217 218 const char *hidkbd_parse_desc(struct hidkbd *, int, void *, int); 219 220 void (*hidkbd_bell_fn)(void *, u_int, u_int, u_int, int); 221 void *hidkbd_bell_fn_arg; 222 223 void hidkbd_decode(struct hidkbd *, struct hidkbd_data *); 224 void hidkbd_delayed_decode(void *addr); 225 226 extern const struct wscons_keydesc ukbd_keydesctab[]; 227 228 struct wskbd_mapdata ukbd_keymapdata = { 229 ukbd_keydesctab 230 }; 231 232 int 233 hidkbd_attach(struct device *self, struct hidkbd *kbd, int console, 234 uint32_t qflags, int id, void *desc, int dlen) 235 { 236 const char *parserr; 237 238 kbd->sc_var = NULL; 239 240 parserr = hidkbd_parse_desc(kbd, id, desc, dlen); 241 if (parserr != NULL) { 242 printf(": %s\n", parserr); 243 return ENXIO; 244 } 245 246 #ifdef DIAGNOSTIC 247 printf(": %d variable keys, %d key codes", 248 kbd->sc_nvar, kbd->sc_nkeycode); 249 #endif 250 251 kbd->sc_device = self; 252 kbd->sc_debounce = (qflags & HIDKBD_SPUR_BUT_UP) != 0; 253 254 /* 255 * Remember if we're the console keyboard. 256 * 257 * XXX This always picks the first (USB) keyboard to attach, 258 * but what else can we really do? 259 */ 260 if (console) { 261 kbd->sc_console_keyboard = hidkbd_is_console; 262 /* Don't let any other keyboard have it. */ 263 hidkbd_is_console = 0; 264 } 265 266 timeout_set(&kbd->sc_delay, hidkbd_delayed_decode, kbd); 267 268 return 0; 269 } 270 271 void 272 hidkbd_attach_wskbd(struct hidkbd *kbd, kbd_t layout, 273 const struct wskbd_accessops *accessops) 274 { 275 struct wskbddev_attach_args a; 276 277 ukbd_keymapdata.layout = layout; 278 279 a.console = kbd->sc_console_keyboard; 280 a.keymap = &ukbd_keymapdata; 281 a.accessops = accessops; 282 a.accesscookie = kbd->sc_device; 283 kbd->sc_wskbddev = config_found(kbd->sc_device, &a, wskbddevprint); 284 } 285 286 int 287 hidkbd_detach(struct hidkbd *kbd, int flags) 288 { 289 int rv = 0; 290 291 DPRINTF(("hidkbd_detach: sc=%p flags=%d\n", kbd->sc_device, flags)); 292 293 if (kbd->sc_console_keyboard) { 294 /* 295 * Disconnect our consops and set hidkbd_is_console 296 * back to 1 so that the next USB keyboard attached 297 * to the system will get it. 298 * XXX Should notify some other keyboard that it can be 299 * XXX console, if there are any other keyboards. 300 */ 301 printf("%s: was console keyboard\n", 302 kbd->sc_device->dv_xname); 303 hidkbd_is_console = 1; 304 } 305 /* No need to do reference counting of hidkbd, wskbd has all the goo */ 306 if (kbd->sc_wskbddev != NULL) 307 rv = config_detach(kbd->sc_wskbddev, flags); 308 309 if (kbd->sc_var != NULL) 310 free(kbd->sc_var, M_DEVBUF, 0); 311 312 return (rv); 313 } 314 315 uint8_t 316 hidkbd_translate(const struct hidkbd_translation *table, size_t tsize, 317 uint8_t keycode) 318 { 319 for (; tsize != 0; table++, tsize--) 320 if (table->original == keycode) 321 return table->translation; 322 return 0; 323 } 324 325 void 326 hidkbd_apple_translate(void *vsc, uint8_t *ibuf, u_int ilen, 327 const struct hidkbd_translation* trans, u_int tlen) 328 { 329 struct hidkbd *kbd = vsc; 330 uint8_t *pos, *spos, *epos, xlat; 331 332 spos = ibuf + kbd->sc_keycodeloc.pos / 8; 333 epos = spos + kbd->sc_nkeycode; 334 335 for (pos = spos; pos != epos; pos++) { 336 xlat = hidkbd_translate(trans, tlen, *pos); 337 if (xlat != 0) 338 *pos = xlat; 339 } 340 } 341 342 void 343 hidkbd_apple_munge(void *vsc, uint8_t *ibuf, u_int ilen) 344 { 345 struct hidkbd *kbd = vsc; 346 347 if (!hid_get_data(ibuf, ilen, &kbd->sc_fn)) 348 return; 349 350 hidkbd_apple_translate(vsc, ibuf, ilen, apple_fn_trans, 351 nitems(apple_fn_trans)); 352 } 353 354 void 355 hidkbd_apple_tb_munge(void *vsc, uint8_t *ibuf, u_int ilen) 356 { 357 struct hidkbd *kbd = vsc; 358 359 if (!hid_get_data(ibuf, ilen, &kbd->sc_fn)) 360 return; 361 362 hidkbd_apple_munge(vsc, ibuf, ilen); 363 364 hidkbd_apple_translate(vsc, ibuf, ilen, apple_tb_trans, 365 nitems(apple_tb_trans)); 366 } 367 368 void 369 hidkbd_apple_iso_munge(void *vsc, uint8_t *ibuf, u_int ilen) 370 { 371 hidkbd_apple_translate(vsc, ibuf, ilen, apple_iso_trans, 372 nitems(apple_iso_trans)); 373 hidkbd_apple_munge(vsc, ibuf, ilen); 374 } 375 376 void 377 hidkbd_apple_mba_munge(void *vsc, uint8_t *ibuf, u_int ilen) 378 { 379 struct hidkbd *kbd = vsc; 380 381 if (!hid_get_data(ibuf, ilen, &kbd->sc_fn)) 382 return; 383 384 hidkbd_apple_translate(vsc, ibuf, ilen, apple_mba_trans, 385 nitems(apple_mba_trans)); 386 } 387 388 void 389 hidkbd_apple_iso_mba_munge(void *vsc, uint8_t *ibuf, u_int ilen) 390 { 391 hidkbd_apple_translate(vsc, ibuf, ilen, apple_iso_trans, 392 nitems(apple_iso_trans)); 393 hidkbd_apple_mba_munge(vsc, ibuf, ilen); 394 } 395 396 void 397 hidkbd_input(struct hidkbd *kbd, uint8_t *data, u_int len) 398 { 399 struct hidkbd_data *ud = &kbd->sc_ndata; 400 int i; 401 402 if (kbd->sc_munge != NULL) 403 (*kbd->sc_munge)(kbd, (uint8_t *)data, len); 404 405 #ifdef HIDKBD_DEBUG 406 if (hidkbddebug > 5) { 407 printf("hidkbd_input: data"); 408 for (i = 0; i < len; i++) 409 printf(" 0x%02x", data[i]); 410 printf("\n"); 411 } 412 #endif 413 414 /* extract variable keys */ 415 for (i = 0; i < kbd->sc_nvar; i++) 416 ud->var[i] = (u_int8_t)hid_get_data(data, len, 417 &kbd->sc_var[i].loc); 418 419 /* extract keycodes */ 420 memcpy(ud->keycode, data + kbd->sc_keycodeloc.pos / 8, 421 kbd->sc_nkeycode); 422 423 if (kbd->sc_debounce && !kbd->sc_polling) { 424 /* 425 * Some keyboards have a peculiar quirk. They sometimes 426 * generate a key up followed by a key down for the same 427 * key after about 10 ms. 428 * We avoid this bug by holding off decoding for 20 ms. 429 */ 430 kbd->sc_data = *ud; 431 timeout_add_msec(&kbd->sc_delay, 20); 432 } else { 433 hidkbd_decode(kbd, ud); 434 } 435 } 436 437 void 438 hidkbd_delayed_decode(void *addr) 439 { 440 struct hidkbd *kbd = addr; 441 442 hidkbd_decode(kbd, &kbd->sc_data); 443 } 444 445 void 446 hidkbd_decode(struct hidkbd *kbd, struct hidkbd_data *ud) 447 { 448 u_int16_t ibuf[MAXKEYS]; /* chars events */ 449 int s; 450 int nkeys, i, j; 451 int key; 452 #define ADDKEY(c) ibuf[nkeys++] = (c) 453 454 #ifdef HIDKBD_DEBUG 455 /* 456 * Keep a trace of the last events. Using printf changes the 457 * timing, so this can be useful sometimes. 458 */ 459 if (hidkbdtrace) { 460 struct hidkbdtraceinfo *p = &hidkbdtracedata[hidkbdtraceindex]; 461 p->unit = kbd->sc_device->dv_unit; 462 microtime(&p->tv); 463 p->ud = *ud; 464 if (++hidkbdtraceindex >= HIDKBDTRACESIZE) 465 hidkbdtraceindex = 0; 466 } 467 if (hidkbddebug > 5) { 468 struct timeval tv; 469 microtime(&tv); 470 DPRINTF((" at %lld.%06ld key0=0x%02x key1=0x%02x " 471 "key2=0x%02x key3=0x%02x\n", 472 (long long)tv.tv_sec, tv.tv_usec, 473 ud->keycode[0], ud->keycode[1], 474 ud->keycode[2], ud->keycode[3])); 475 } 476 #endif 477 478 if (ud->keycode[0] == KEY_ERROR) { 479 DPRINTF(("hidkbd_input: KEY_ERROR\n")); 480 return; /* ignore */ 481 } 482 nkeys = 0; 483 484 for (i = 0; i < kbd->sc_nvar; i++) 485 if ((kbd->sc_odata.var[i] & kbd->sc_var[i].mask) != 486 (ud->var[i] & kbd->sc_var[i].mask)) { 487 ADDKEY(kbd->sc_var[i].key | 488 ((ud->var[i] & kbd->sc_var[i].mask) ? 489 PRESS : RELEASE)); 490 } 491 492 if (memcmp(ud->keycode, kbd->sc_odata.keycode, kbd->sc_nkeycode) != 0) { 493 /* Check for released keys. */ 494 for (i = 0; i < kbd->sc_nkeycode; i++) { 495 key = kbd->sc_odata.keycode[i]; 496 if (key == 0) 497 continue; 498 for (j = 0; j < kbd->sc_nkeycode; j++) 499 if (key == ud->keycode[j]) 500 goto rfound; 501 DPRINTFN(3,("hidkbd_decode: relse key=0x%02x\n", key)); 502 ADDKEY(key | RELEASE); 503 rfound: 504 ; 505 } 506 507 /* Check for pressed keys. */ 508 for (i = 0; i < kbd->sc_nkeycode; i++) { 509 key = ud->keycode[i]; 510 if (key == 0) 511 continue; 512 for (j = 0; j < kbd->sc_nkeycode; j++) 513 if (key == kbd->sc_odata.keycode[j]) 514 goto pfound; 515 DPRINTFN(2,("hidkbd_decode: press key=0x%02x\n", key)); 516 ADDKEY(key | PRESS); 517 pfound: 518 ; 519 } 520 } 521 kbd->sc_odata = *ud; 522 523 if (nkeys == 0) 524 return; 525 526 if (kbd->sc_polling) { 527 DPRINTFN(1,("hidkbd_decode: pollchar = 0x%03x\n", ibuf[0])); 528 memcpy(kbd->sc_pollchars, ibuf, nkeys * sizeof(u_int16_t)); 529 kbd->sc_npollchar = nkeys; 530 return; 531 } 532 533 if (kbd->sc_wskbddev == NULL) 534 return; 535 536 #ifdef WSDISPLAY_COMPAT_RAWKBD 537 if (kbd->sc_rawkbd) { 538 u_char cbuf[MAXKEYS * 2]; 539 int c; 540 541 for (i = j = 0; i < nkeys; i++) { 542 key = ibuf[i]; 543 c = hidkbd_trtab[key & CODEMASK]; 544 if (c == NN) 545 continue; 546 if (c & 0x80) 547 cbuf[j++] = 0xe0; 548 cbuf[j] = c & 0x7f; 549 if (key & RELEASE) 550 cbuf[j] |= 0x80; 551 DPRINTFN(1,("hidkbd_decode: raw = %s0x%02x\n", 552 c & 0x80 ? "0xe0 " : "", 553 cbuf[j])); 554 j++; 555 } 556 s = spltty(); 557 wskbd_rawinput(kbd->sc_wskbddev, cbuf, j); 558 559 /* 560 * Pass audio and brightness keys to wskbd_input anyway. 561 */ 562 for (i = 0; i < nkeys; i++) { 563 key = ibuf[i]; 564 switch (key & CODEMASK) { 565 case 127: 566 case 128: 567 case 129: 568 case 232: 569 case 233: 570 wskbd_input(kbd->sc_wskbddev, 571 key & RELEASE ? WSCONS_EVENT_KEY_UP : 572 WSCONS_EVENT_KEY_DOWN, key & CODEMASK); 573 break; 574 } 575 } 576 splx(s); 577 578 return; 579 } 580 #endif 581 582 s = spltty(); 583 for (i = 0; i < nkeys; i++) { 584 key = ibuf[i]; 585 wskbd_input(kbd->sc_wskbddev, 586 key&RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN, 587 key&CODEMASK); 588 } 589 splx(s); 590 #undef ADDKEY 591 } 592 593 int 594 hidkbd_enable(struct hidkbd *kbd, int on) 595 { 596 if (kbd->sc_enabled == on) 597 return EBUSY; 598 599 kbd->sc_enabled = on; 600 return 0; 601 } 602 603 int 604 hidkbd_set_leds(struct hidkbd *kbd, int leds, uint8_t *report) 605 { 606 if (kbd->sc_leds == leds) 607 return 0; 608 609 kbd->sc_leds = leds; 610 611 /* 612 * This is not totally correct, since we did not check the 613 * report size from the descriptor but for keyboards it should 614 * just be a single byte with the relevant bits set. 615 */ 616 *report = 0; 617 if ((leds & WSKBD_LED_SCROLL) && kbd->sc_scroloc.size == 1) 618 *report |= 1 << kbd->sc_scroloc.pos; 619 if ((leds & WSKBD_LED_NUM) && kbd->sc_numloc.size == 1) 620 *report |= 1 << kbd->sc_numloc.pos; 621 if ((leds & WSKBD_LED_CAPS) && kbd->sc_capsloc.size == 1) 622 *report |= 1 << kbd->sc_capsloc.pos; 623 if ((leds & WSKBD_LED_COMPOSE) && kbd->sc_compose.size == 1) 624 *report |= 1 << kbd->sc_compose.pos; 625 626 return 1; 627 } 628 629 int 630 hidkbd_ioctl(struct hidkbd *kbd, u_long cmd, caddr_t data, int flag, 631 struct proc *p) 632 { 633 switch (cmd) { 634 case WSKBDIO_GETLEDS: 635 *(int *)data = kbd->sc_leds; 636 return (0); 637 case WSKBDIO_COMPLEXBELL: 638 #define d ((struct wskbd_bell_data *)data) 639 hidkbd_bell(d->pitch, d->period, d->volume, 0); 640 #undef d 641 return (0); 642 #ifdef WSDISPLAY_COMPAT_RAWKBD 643 case WSKBDIO_SETMODE: 644 DPRINTF(("hidkbd_ioctl: set raw = %d\n", *(int *)data)); 645 kbd->sc_rawkbd = *(int *)data == WSKBD_RAW; 646 return (0); 647 #endif 648 } 649 return (-1); 650 } 651 652 void 653 hidkbd_cngetc(struct hidkbd *kbd, u_int *type, int *data) 654 { 655 int c; 656 657 c = kbd->sc_pollchars[0]; 658 kbd->sc_npollchar--; 659 memmove(kbd->sc_pollchars, kbd->sc_pollchars+1, 660 kbd->sc_npollchar * sizeof(u_int16_t)); 661 *type = c & RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN; 662 *data = c & CODEMASK; 663 } 664 665 void 666 hidkbd_bell(u_int pitch, u_int period, u_int volume, int poll) 667 { 668 if (hidkbd_bell_fn != NULL) 669 (*hidkbd_bell_fn)(hidkbd_bell_fn_arg, pitch, period, 670 volume, poll); 671 } 672 673 void 674 hidkbd_hookup_bell(void (*fn)(void *, u_int, u_int, u_int, int), void *arg) 675 { 676 if (hidkbd_bell_fn == NULL) { 677 hidkbd_bell_fn = fn; 678 hidkbd_bell_fn_arg = arg; 679 } 680 } 681 682 const char * 683 hidkbd_parse_desc(struct hidkbd *kbd, int id, void *desc, int dlen) 684 { 685 struct hid_data *d; 686 struct hid_item h; 687 unsigned int i, ivar = 0; 688 689 kbd->sc_nkeycode = 0; 690 691 d = hid_start_parse(desc, dlen, hid_input); 692 while (hid_get_item(d, &h)) { 693 if (h.kind != hid_input || (h.flags & HIO_CONST) || 694 HID_GET_USAGE_PAGE(h.usage) != HUP_KEYBOARD || 695 h.report_ID != id) 696 continue; 697 if (h.flags & HIO_VARIABLE) 698 ivar++; 699 } 700 hid_end_parse(d); 701 702 if (ivar > MAXVARS) { 703 DPRINTF((": too many variable keys\n")); 704 ivar = MAXVARS; 705 } 706 707 kbd->sc_nvar = ivar; 708 kbd->sc_var = (struct hidkbd_variable *)mallocarray(ivar, 709 sizeof(struct hidkbd_variable), M_DEVBUF, M_NOWAIT); 710 711 if (!kbd->sc_var) 712 return NULL; 713 714 i = 0; 715 716 d = hid_start_parse(desc, dlen, hid_input); 717 while (hid_get_item(d, &h)) { 718 if (h.kind != hid_input || (h.flags & HIO_CONST) || 719 HID_GET_USAGE_PAGE(h.usage) != HUP_KEYBOARD || 720 h.report_ID != id) 721 continue; 722 723 DPRINTF(("hidkbd: usage=0x%x flags=0x%x pos=%d size=%d cnt=%d", 724 h.usage, h.flags, h.loc.pos, h.loc.size, h.loc.count)); 725 if (h.flags & HIO_VARIABLE) { 726 /* variable reports should be one bit each */ 727 if (h.loc.size != 1) { 728 DPRINTF((": bad variable size\n")); 729 continue; 730 } 731 732 /* variable report */ 733 if (i < MAXVARS) { 734 kbd->sc_var[i].loc = h.loc; 735 kbd->sc_var[i].mask = 1 << (i % 8); 736 kbd->sc_var[i].key = HID_GET_USAGE(h.usage); 737 i++; 738 } 739 } else { 740 /* keys array should be in bytes, on a byte boundary */ 741 if (h.loc.size != 8) { 742 DPRINTF((": key code size != 8\n")); 743 continue; 744 } 745 if (h.loc.pos % 8 != 0) { 746 DPRINTF((": array not on byte boundary")); 747 continue; 748 } 749 if (kbd->sc_nkeycode != 0) { 750 DPRINTF((": ignoring multiple arrays\n")); 751 continue; 752 } 753 kbd->sc_keycodeloc = h.loc; 754 if (h.loc.count > MAXKEYCODE) { 755 DPRINTF((": ignoring extra key codes")); 756 kbd->sc_nkeycode = MAXKEYCODE; 757 } else 758 kbd->sc_nkeycode = h.loc.count; 759 } 760 DPRINTF(("\n")); 761 } 762 hid_end_parse(d); 763 764 /* don't attach if no keys... */ 765 if (kbd->sc_nkeycode == 0 && ivar == 0) 766 return "no usable key codes array"; 767 768 hid_locate(desc, dlen, HID_USAGE2(HUP_LED, HUL_NUM_LOCK), 769 id, hid_output, &kbd->sc_numloc, NULL); 770 hid_locate(desc, dlen, HID_USAGE2(HUP_LED, HUL_CAPS_LOCK), 771 id, hid_output, &kbd->sc_capsloc, NULL); 772 hid_locate(desc, dlen, HID_USAGE2(HUP_LED, HUL_SCROLL_LOCK), 773 id, hid_output, &kbd->sc_scroloc, NULL); 774 hid_locate(desc, dlen, HID_USAGE2(HUP_LED, HUL_COMPOSE), 775 id, hid_output, &kbd->sc_compose, NULL); 776 777 return (NULL); 778 }
Cache object: 57a4d299fdd455df8d2f057689689902
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