1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer as 12 * the first lines of this file unmodified. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 */ 29 30 #include <sys/cdefs.h> 31 __FBSDID("$FreeBSD$"); 32 33 #include "opt_kbd.h" 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/kernel.h> 38 #include <sys/malloc.h> 39 #include <sys/conf.h> 40 #include <sys/fcntl.h> 41 #include <sys/poll.h> 42 #include <sys/priv.h> 43 #include <sys/proc.h> 44 #include <sys/selinfo.h> 45 #include <sys/sysctl.h> 46 #include <sys/uio.h> 47 48 #include <sys/kbio.h> 49 50 #include <dev/evdev/input-event-codes.h> 51 #include <dev/kbd/kbdreg.h> 52 53 #define KBD_INDEX(dev) dev2unit(dev) 54 55 #define KB_QSIZE 512 56 #define KB_BUFSIZE 64 57 58 typedef struct genkbd_softc { 59 int gkb_flags; /* flag/status bits */ 60 #define KB_ASLEEP (1 << 0) 61 struct selinfo gkb_rsel; 62 char gkb_q[KB_QSIZE]; /* input queue */ 63 unsigned int gkb_q_start; 64 unsigned int gkb_q_length; 65 } genkbd_softc_t; 66 67 static u_char *genkbd_get_fkeystr(keyboard_t *kbd, int fkey, size_t *len); 68 static void genkbd_diag(keyboard_t *kbd, int level); 69 70 static SLIST_HEAD(, keyboard_driver) keyboard_drivers = 71 SLIST_HEAD_INITIALIZER(keyboard_drivers); 72 73 SET_DECLARE(kbddriver_set, keyboard_driver_t); 74 75 /* local arrays */ 76 77 /* 78 * We need at least one entry each in order to initialize a keyboard 79 * for the kernel console. The arrays will be increased dynamically 80 * when necessary. 81 */ 82 83 static int keyboards = 1; 84 static keyboard_t *kbd_ini; 85 static keyboard_t **keyboard = &kbd_ini; 86 87 static int keymap_restrict_change; 88 static SYSCTL_NODE(_hw, OID_AUTO, kbd, CTLFLAG_RD, 0, "kbd"); 89 SYSCTL_INT(_hw_kbd, OID_AUTO, keymap_restrict_change, CTLFLAG_RW, 90 &keymap_restrict_change, 0, "restrict ability to change keymap"); 91 92 #define ARRAY_DELTA 4 93 94 static int 95 kbd_realloc_array(void) 96 { 97 keyboard_t **new_kbd; 98 int newsize; 99 int s; 100 101 s = spltty(); 102 newsize = rounddown(keyboards + ARRAY_DELTA, ARRAY_DELTA); 103 new_kbd = malloc(sizeof(*new_kbd)*newsize, M_DEVBUF, M_NOWAIT|M_ZERO); 104 if (new_kbd == NULL) { 105 splx(s); 106 return (ENOMEM); 107 } 108 bcopy(keyboard, new_kbd, sizeof(*keyboard)*keyboards); 109 if (keyboards > 1) 110 free(keyboard, M_DEVBUF); 111 keyboard = new_kbd; 112 keyboards = newsize; 113 splx(s); 114 115 if (bootverbose) 116 printf("kbd: new array size %d\n", keyboards); 117 118 return (0); 119 } 120 121 /* 122 * Low-level keyboard driver functions 123 * Keyboard subdrivers, such as the AT keyboard driver and the USB keyboard 124 * driver, call these functions to initialize the keyboard_t structure 125 * and register it to the virtual keyboard driver `kbd'. 126 */ 127 128 /* initialize the keyboard_t structure */ 129 void 130 kbd_init_struct(keyboard_t *kbd, char *name, int type, int unit, int config, 131 int port, int port_size) 132 { 133 kbd->kb_flags = KB_NO_DEVICE; /* device has not been found */ 134 kbd->kb_name = name; 135 kbd->kb_type = type; 136 kbd->kb_unit = unit; 137 kbd->kb_config = config & ~KB_CONF_PROBE_ONLY; 138 kbd->kb_led = 0; /* unknown */ 139 kbd->kb_io_base = port; 140 kbd->kb_io_size = port_size; 141 kbd->kb_data = NULL; 142 kbd->kb_keymap = NULL; 143 kbd->kb_accentmap = NULL; 144 kbd->kb_fkeytab = NULL; 145 kbd->kb_fkeytab_size = 0; 146 kbd->kb_delay1 = KB_DELAY1; /* these values are advisory only */ 147 kbd->kb_delay2 = KB_DELAY2; 148 kbd->kb_count = 0L; 149 bzero(kbd->kb_lastact, sizeof(kbd->kb_lastact)); 150 } 151 152 void 153 kbd_set_maps(keyboard_t *kbd, keymap_t *keymap, accentmap_t *accmap, 154 fkeytab_t *fkeymap, int fkeymap_size) 155 { 156 kbd->kb_keymap = keymap; 157 kbd->kb_accentmap = accmap; 158 kbd->kb_fkeytab = fkeymap; 159 kbd->kb_fkeytab_size = fkeymap_size; 160 } 161 162 /* declare a new keyboard driver */ 163 int 164 kbd_add_driver(keyboard_driver_t *driver) 165 { 166 167 if ((driver->flags & KBDF_REGISTERED) != 0) 168 return (0); 169 170 KASSERT(SLIST_NEXT(driver, link) == NULL, 171 ("%s: keyboard driver list garbage detected", __func__)); 172 if (driver->kbdsw->get_fkeystr == NULL) 173 driver->kbdsw->get_fkeystr = genkbd_get_fkeystr; 174 if (driver->kbdsw->diag == NULL) 175 driver->kbdsw->diag = genkbd_diag; 176 177 driver->flags |= KBDF_REGISTERED; 178 SLIST_INSERT_HEAD(&keyboard_drivers, driver, link); 179 return (0); 180 } 181 182 int 183 kbd_delete_driver(keyboard_driver_t *driver) 184 { 185 186 if ((driver->flags & KBDF_REGISTERED) == 0) 187 return (EINVAL); 188 189 driver->flags &= ~KBDF_REGISTERED; 190 SLIST_REMOVE(&keyboard_drivers, driver, keyboard_driver, link); 191 SLIST_NEXT(driver, link) = NULL; 192 return (0); 193 } 194 195 /* register a keyboard and associate it with a function table */ 196 int 197 kbd_register(keyboard_t *kbd) 198 { 199 const keyboard_driver_t *p; 200 keyboard_t *mux; 201 keyboard_info_t ki; 202 int index; 203 204 mux = kbd_get_keyboard(kbd_find_keyboard("kbdmux", -1)); 205 206 for (index = 0; index < keyboards; ++index) { 207 if (keyboard[index] == NULL) 208 break; 209 } 210 if (index >= keyboards) { 211 if (kbd_realloc_array()) 212 return (-1); 213 } 214 215 kbd->kb_index = index; 216 KBD_UNBUSY(kbd); 217 KBD_VALID(kbd); 218 kbd->kb_active = 0; /* disabled until someone calls kbd_enable() */ 219 kbd->kb_token = NULL; 220 kbd->kb_callback.kc_func = NULL; 221 kbd->kb_callback.kc_arg = NULL; 222 223 SLIST_FOREACH(p, &keyboard_drivers, link) { 224 if (strcmp(p->name, kbd->kb_name) == 0) { 225 kbd->kb_drv = p; 226 keyboard[index] = kbd; 227 228 if (mux != NULL) { 229 bzero(&ki, sizeof(ki)); 230 strcpy(ki.kb_name, kbd->kb_name); 231 ki.kb_unit = kbd->kb_unit; 232 233 (void)kbdd_ioctl(mux, KBADDKBD, (caddr_t) &ki); 234 } 235 236 return (index); 237 } 238 } 239 240 return (-1); 241 } 242 243 int 244 kbd_unregister(keyboard_t *kbd) 245 { 246 int error; 247 int s; 248 249 if ((kbd->kb_index < 0) || (kbd->kb_index >= keyboards)) 250 return (ENOENT); 251 if (keyboard[kbd->kb_index] != kbd) 252 return (ENOENT); 253 254 s = spltty(); 255 if (KBD_IS_BUSY(kbd)) { 256 error = (*kbd->kb_callback.kc_func)(kbd, KBDIO_UNLOADING, 257 kbd->kb_callback.kc_arg); 258 if (error) { 259 splx(s); 260 return (error); 261 } 262 if (KBD_IS_BUSY(kbd)) { 263 splx(s); 264 return (EBUSY); 265 } 266 } 267 KBD_INVALID(kbd); 268 keyboard[kbd->kb_index] = NULL; 269 270 splx(s); 271 return (0); 272 } 273 274 /* find a function table by the driver name */ 275 keyboard_switch_t * 276 kbd_get_switch(char *driver) 277 { 278 const keyboard_driver_t *p; 279 280 SLIST_FOREACH(p, &keyboard_drivers, link) { 281 if (strcmp(p->name, driver) == 0) 282 return (p->kbdsw); 283 } 284 285 return (NULL); 286 } 287 288 /* 289 * Keyboard client functions 290 * Keyboard clients, such as the console driver `syscons' and the keyboard 291 * cdev driver, use these functions to claim and release a keyboard for 292 * exclusive use. 293 */ 294 295 /* 296 * find the keyboard specified by a driver name and a unit number 297 * starting at given index 298 */ 299 int 300 kbd_find_keyboard2(char *driver, int unit, int index) 301 { 302 int i; 303 304 if ((index < 0) || (index >= keyboards)) 305 return (-1); 306 307 for (i = index; i < keyboards; ++i) { 308 if (keyboard[i] == NULL) 309 continue; 310 if (!KBD_IS_VALID(keyboard[i])) 311 continue; 312 if (strcmp("*", driver) && strcmp(keyboard[i]->kb_name, driver)) 313 continue; 314 if ((unit != -1) && (keyboard[i]->kb_unit != unit)) 315 continue; 316 return (i); 317 } 318 319 return (-1); 320 } 321 322 /* find the keyboard specified by a driver name and a unit number */ 323 int 324 kbd_find_keyboard(char *driver, int unit) 325 { 326 return (kbd_find_keyboard2(driver, unit, 0)); 327 } 328 329 /* allocate a keyboard */ 330 int 331 kbd_allocate(char *driver, int unit, void *id, kbd_callback_func_t *func, 332 void *arg) 333 { 334 int index; 335 int s; 336 337 if (func == NULL) 338 return (-1); 339 340 s = spltty(); 341 index = kbd_find_keyboard(driver, unit); 342 if (index >= 0) { 343 if (KBD_IS_BUSY(keyboard[index])) { 344 splx(s); 345 return (-1); 346 } 347 keyboard[index]->kb_token = id; 348 KBD_BUSY(keyboard[index]); 349 keyboard[index]->kb_callback.kc_func = func; 350 keyboard[index]->kb_callback.kc_arg = arg; 351 kbdd_clear_state(keyboard[index]); 352 } 353 splx(s); 354 return (index); 355 } 356 357 int 358 kbd_release(keyboard_t *kbd, void *id) 359 { 360 int error; 361 int s; 362 363 s = spltty(); 364 if (!KBD_IS_VALID(kbd) || !KBD_IS_BUSY(kbd)) { 365 error = EINVAL; 366 } else if (kbd->kb_token != id) { 367 error = EPERM; 368 } else { 369 kbd->kb_token = NULL; 370 KBD_UNBUSY(kbd); 371 kbd->kb_callback.kc_func = NULL; 372 kbd->kb_callback.kc_arg = NULL; 373 kbdd_clear_state(kbd); 374 error = 0; 375 } 376 splx(s); 377 return (error); 378 } 379 380 int 381 kbd_change_callback(keyboard_t *kbd, void *id, kbd_callback_func_t *func, 382 void *arg) 383 { 384 int error; 385 int s; 386 387 s = spltty(); 388 if (!KBD_IS_VALID(kbd) || !KBD_IS_BUSY(kbd)) { 389 error = EINVAL; 390 } else if (kbd->kb_token != id) { 391 error = EPERM; 392 } else if (func == NULL) { 393 error = EINVAL; 394 } else { 395 kbd->kb_callback.kc_func = func; 396 kbd->kb_callback.kc_arg = arg; 397 error = 0; 398 } 399 splx(s); 400 return (error); 401 } 402 403 /* get a keyboard structure */ 404 keyboard_t * 405 kbd_get_keyboard(int index) 406 { 407 if ((index < 0) || (index >= keyboards)) 408 return (NULL); 409 if (keyboard[index] == NULL) 410 return (NULL); 411 if (!KBD_IS_VALID(keyboard[index])) 412 return (NULL); 413 return (keyboard[index]); 414 } 415 416 /* 417 * The back door for the console driver; configure keyboards 418 * This function is for the kernel console to initialize keyboards 419 * at very early stage. 420 */ 421 422 int 423 kbd_configure(int flags) 424 { 425 const keyboard_driver_t *p; 426 427 SLIST_FOREACH(p, &keyboard_drivers, link) { 428 if (p->configure != NULL) 429 (*p->configure)(flags); 430 } 431 432 return (0); 433 } 434 435 #ifdef KBD_INSTALL_CDEV 436 437 /* 438 * Virtual keyboard cdev driver functions 439 * The virtual keyboard driver dispatches driver functions to 440 * appropriate subdrivers. 441 */ 442 443 #define KBD_UNIT(dev) dev2unit(dev) 444 445 static d_open_t genkbdopen; 446 static d_close_t genkbdclose; 447 static d_read_t genkbdread; 448 static d_write_t genkbdwrite; 449 static d_ioctl_t genkbdioctl; 450 static d_poll_t genkbdpoll; 451 452 453 static struct cdevsw kbd_cdevsw = { 454 .d_version = D_VERSION, 455 .d_flags = D_NEEDGIANT, 456 .d_open = genkbdopen, 457 .d_close = genkbdclose, 458 .d_read = genkbdread, 459 .d_write = genkbdwrite, 460 .d_ioctl = genkbdioctl, 461 .d_poll = genkbdpoll, 462 .d_name = "kbd", 463 }; 464 465 int 466 kbd_attach(keyboard_t *kbd) 467 { 468 469 if (kbd->kb_index >= keyboards) 470 return (EINVAL); 471 if (keyboard[kbd->kb_index] != kbd) 472 return (EINVAL); 473 474 kbd->kb_dev = make_dev(&kbd_cdevsw, kbd->kb_index, UID_ROOT, GID_WHEEL, 475 0600, "%s%r", kbd->kb_name, kbd->kb_unit); 476 make_dev_alias(kbd->kb_dev, "kbd%r", kbd->kb_index); 477 kbd->kb_dev->si_drv1 = malloc(sizeof(genkbd_softc_t), M_DEVBUF, 478 M_WAITOK | M_ZERO); 479 printf("kbd%d at %s%d\n", kbd->kb_index, kbd->kb_name, kbd->kb_unit); 480 return (0); 481 } 482 483 int 484 kbd_detach(keyboard_t *kbd) 485 { 486 487 if (kbd->kb_index >= keyboards) 488 return (EINVAL); 489 if (keyboard[kbd->kb_index] != kbd) 490 return (EINVAL); 491 492 free(kbd->kb_dev->si_drv1, M_DEVBUF); 493 destroy_dev(kbd->kb_dev); 494 495 return (0); 496 } 497 498 /* 499 * Generic keyboard cdev driver functions 500 * Keyboard subdrivers may call these functions to implement common 501 * driver functions. 502 */ 503 504 static void 505 genkbd_putc(genkbd_softc_t *sc, char c) 506 { 507 unsigned int p; 508 509 if (sc->gkb_q_length == KB_QSIZE) 510 return; 511 512 p = (sc->gkb_q_start + sc->gkb_q_length) % KB_QSIZE; 513 sc->gkb_q[p] = c; 514 sc->gkb_q_length++; 515 } 516 517 static size_t 518 genkbd_getc(genkbd_softc_t *sc, char *buf, size_t len) 519 { 520 521 /* Determine copy size. */ 522 if (sc->gkb_q_length == 0) 523 return (0); 524 if (len >= sc->gkb_q_length) 525 len = sc->gkb_q_length; 526 if (len >= KB_QSIZE - sc->gkb_q_start) 527 len = KB_QSIZE - sc->gkb_q_start; 528 529 /* Copy out data and progress offset. */ 530 memcpy(buf, sc->gkb_q + sc->gkb_q_start, len); 531 sc->gkb_q_start = (sc->gkb_q_start + len) % KB_QSIZE; 532 sc->gkb_q_length -= len; 533 534 return (len); 535 } 536 537 static kbd_callback_func_t genkbd_event; 538 539 static int 540 genkbdopen(struct cdev *dev, int mode, int flag, struct thread *td) 541 { 542 keyboard_t *kbd; 543 genkbd_softc_t *sc; 544 int s; 545 int i; 546 547 s = spltty(); 548 sc = dev->si_drv1; 549 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 550 if ((sc == NULL) || (kbd == NULL) || !KBD_IS_VALID(kbd)) { 551 splx(s); 552 return (ENXIO); 553 } 554 i = kbd_allocate(kbd->kb_name, kbd->kb_unit, sc, 555 genkbd_event, (void *)sc); 556 if (i < 0) { 557 splx(s); 558 return (EBUSY); 559 } 560 /* assert(i == kbd->kb_index) */ 561 /* assert(kbd == kbd_get_keyboard(i)) */ 562 563 /* 564 * NOTE: even when we have successfully claimed a keyboard, 565 * the device may still be missing (!KBD_HAS_DEVICE(kbd)). 566 */ 567 568 sc->gkb_q_length = 0; 569 splx(s); 570 571 return (0); 572 } 573 574 static int 575 genkbdclose(struct cdev *dev, int mode, int flag, struct thread *td) 576 { 577 keyboard_t *kbd; 578 genkbd_softc_t *sc; 579 int s; 580 581 /* 582 * NOTE: the device may have already become invalid. 583 * kbd == NULL || !KBD_IS_VALID(kbd) 584 */ 585 s = spltty(); 586 sc = dev->si_drv1; 587 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 588 if ((sc == NULL) || (kbd == NULL) || !KBD_IS_VALID(kbd)) { 589 /* XXX: we shall be forgiving and don't report error... */ 590 } else { 591 kbd_release(kbd, (void *)sc); 592 } 593 splx(s); 594 return (0); 595 } 596 597 static int 598 genkbdread(struct cdev *dev, struct uio *uio, int flag) 599 { 600 keyboard_t *kbd; 601 genkbd_softc_t *sc; 602 u_char buffer[KB_BUFSIZE]; 603 int len; 604 int error; 605 int s; 606 607 /* wait for input */ 608 s = spltty(); 609 sc = dev->si_drv1; 610 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 611 if ((sc == NULL) || (kbd == NULL) || !KBD_IS_VALID(kbd)) { 612 splx(s); 613 return (ENXIO); 614 } 615 while (sc->gkb_q_length == 0) { 616 if (flag & O_NONBLOCK) { 617 splx(s); 618 return (EWOULDBLOCK); 619 } 620 sc->gkb_flags |= KB_ASLEEP; 621 error = tsleep(sc, PZERO | PCATCH, "kbdrea", 0); 622 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 623 if ((kbd == NULL) || !KBD_IS_VALID(kbd)) { 624 splx(s); 625 return (ENXIO); /* our keyboard has gone... */ 626 } 627 if (error) { 628 sc->gkb_flags &= ~KB_ASLEEP; 629 splx(s); 630 return (error); 631 } 632 } 633 splx(s); 634 635 /* copy as much input as possible */ 636 error = 0; 637 while (uio->uio_resid > 0) { 638 len = imin(uio->uio_resid, sizeof(buffer)); 639 len = genkbd_getc(sc, buffer, len); 640 if (len <= 0) 641 break; 642 error = uiomove(buffer, len, uio); 643 if (error) 644 break; 645 } 646 647 return (error); 648 } 649 650 static int 651 genkbdwrite(struct cdev *dev, struct uio *uio, int flag) 652 { 653 keyboard_t *kbd; 654 655 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 656 if ((kbd == NULL) || !KBD_IS_VALID(kbd)) 657 return (ENXIO); 658 return (ENODEV); 659 } 660 661 static int 662 genkbdioctl(struct cdev *dev, u_long cmd, caddr_t arg, int flag, struct thread *td) 663 { 664 keyboard_t *kbd; 665 int error; 666 667 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 668 if ((kbd == NULL) || !KBD_IS_VALID(kbd)) 669 return (ENXIO); 670 error = kbdd_ioctl(kbd, cmd, arg); 671 if (error == ENOIOCTL) 672 error = ENODEV; 673 return (error); 674 } 675 676 static int 677 genkbdpoll(struct cdev *dev, int events, struct thread *td) 678 { 679 keyboard_t *kbd; 680 genkbd_softc_t *sc; 681 int revents; 682 int s; 683 684 revents = 0; 685 s = spltty(); 686 sc = dev->si_drv1; 687 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 688 if ((sc == NULL) || (kbd == NULL) || !KBD_IS_VALID(kbd)) { 689 revents = POLLHUP; /* the keyboard has gone */ 690 } else if (events & (POLLIN | POLLRDNORM)) { 691 if (sc->gkb_q_length > 0) 692 revents = events & (POLLIN | POLLRDNORM); 693 else 694 selrecord(td, &sc->gkb_rsel); 695 } 696 splx(s); 697 return (revents); 698 } 699 700 static int 701 genkbd_event(keyboard_t *kbd, int event, void *arg) 702 { 703 genkbd_softc_t *sc; 704 size_t len; 705 u_char *cp; 706 int mode; 707 u_int c; 708 709 /* assert(KBD_IS_VALID(kbd)) */ 710 sc = (genkbd_softc_t *)arg; 711 712 switch (event) { 713 case KBDIO_KEYINPUT: 714 break; 715 case KBDIO_UNLOADING: 716 /* the keyboard is going... */ 717 kbd_release(kbd, (void *)sc); 718 if (sc->gkb_flags & KB_ASLEEP) { 719 sc->gkb_flags &= ~KB_ASLEEP; 720 wakeup(sc); 721 } 722 selwakeuppri(&sc->gkb_rsel, PZERO); 723 return (0); 724 default: 725 return (EINVAL); 726 } 727 728 /* obtain the current key input mode */ 729 if (kbdd_ioctl(kbd, KDGKBMODE, (caddr_t)&mode)) 730 mode = K_XLATE; 731 732 /* read all pending input */ 733 while (kbdd_check_char(kbd)) { 734 c = kbdd_read_char(kbd, FALSE); 735 if (c == NOKEY) 736 continue; 737 if (c == ERRKEY) /* XXX: ring bell? */ 738 continue; 739 if (!KBD_IS_BUSY(kbd)) 740 /* the device is not open, discard the input */ 741 continue; 742 743 /* store the byte as is for K_RAW and K_CODE modes */ 744 if (mode != K_XLATE) { 745 genkbd_putc(sc, KEYCHAR(c)); 746 continue; 747 } 748 749 /* K_XLATE */ 750 if (c & RELKEY) /* key release is ignored */ 751 continue; 752 753 /* process special keys; most of them are just ignored... */ 754 if (c & SPCLKEY) { 755 switch (KEYCHAR(c)) { 756 default: 757 /* ignore them... */ 758 continue; 759 case BTAB: /* a backtab: ESC [ Z */ 760 genkbd_putc(sc, 0x1b); 761 genkbd_putc(sc, '['); 762 genkbd_putc(sc, 'Z'); 763 continue; 764 } 765 } 766 767 /* normal chars, normal chars with the META, function keys */ 768 switch (KEYFLAGS(c)) { 769 case 0: /* a normal char */ 770 genkbd_putc(sc, KEYCHAR(c)); 771 break; 772 case MKEY: /* the META flag: prepend ESC */ 773 genkbd_putc(sc, 0x1b); 774 genkbd_putc(sc, KEYCHAR(c)); 775 break; 776 case FKEY | SPCLKEY: /* a function key, return string */ 777 cp = kbdd_get_fkeystr(kbd, KEYCHAR(c), &len); 778 if (cp != NULL) { 779 while (len-- > 0) 780 genkbd_putc(sc, *cp++); 781 } 782 break; 783 } 784 } 785 786 /* wake up sleeping/polling processes */ 787 if (sc->gkb_q_length > 0) { 788 if (sc->gkb_flags & KB_ASLEEP) { 789 sc->gkb_flags &= ~KB_ASLEEP; 790 wakeup(sc); 791 } 792 selwakeuppri(&sc->gkb_rsel, PZERO); 793 } 794 795 return (0); 796 } 797 798 #endif /* KBD_INSTALL_CDEV */ 799 800 /* 801 * Generic low-level keyboard functions 802 * The low-level functions in the keyboard subdriver may use these 803 * functions. 804 */ 805 806 #ifndef KBD_DISABLE_KEYMAP_LOAD 807 static int key_change_ok(struct keyent_t *, struct keyent_t *, struct thread *); 808 static int keymap_change_ok(keymap_t *, keymap_t *, struct thread *); 809 static int accent_change_ok(accentmap_t *, accentmap_t *, struct thread *); 810 static int fkey_change_ok(fkeytab_t *, fkeyarg_t *, struct thread *); 811 #endif 812 813 int 814 genkbd_commonioctl(keyboard_t *kbd, u_long cmd, caddr_t arg) 815 { 816 keymap_t *mapp; 817 okeymap_t *omapp; 818 keyarg_t *keyp; 819 fkeyarg_t *fkeyp; 820 int s; 821 int i, j; 822 int error; 823 824 s = spltty(); 825 switch (cmd) { 826 827 case KDGKBINFO: /* get keyboard information */ 828 ((keyboard_info_t *)arg)->kb_index = kbd->kb_index; 829 i = imin(strlen(kbd->kb_name) + 1, 830 sizeof(((keyboard_info_t *)arg)->kb_name)); 831 bcopy(kbd->kb_name, ((keyboard_info_t *)arg)->kb_name, i); 832 ((keyboard_info_t *)arg)->kb_unit = kbd->kb_unit; 833 ((keyboard_info_t *)arg)->kb_type = kbd->kb_type; 834 ((keyboard_info_t *)arg)->kb_config = kbd->kb_config; 835 ((keyboard_info_t *)arg)->kb_flags = kbd->kb_flags; 836 break; 837 838 case KDGKBTYPE: /* get keyboard type */ 839 *(int *)arg = kbd->kb_type; 840 break; 841 842 case KDGETREPEAT: /* get keyboard repeat rate */ 843 ((int *)arg)[0] = kbd->kb_delay1; 844 ((int *)arg)[1] = kbd->kb_delay2; 845 break; 846 847 case GIO_KEYMAP: /* get keyboard translation table */ 848 error = copyout(kbd->kb_keymap, *(void **)arg, 849 sizeof(keymap_t)); 850 splx(s); 851 return (error); 852 case OGIO_KEYMAP: /* get keyboard translation table (compat) */ 853 mapp = kbd->kb_keymap; 854 omapp = (okeymap_t *)arg; 855 omapp->n_keys = mapp->n_keys; 856 for (i = 0; i < NUM_KEYS; i++) { 857 for (j = 0; j < NUM_STATES; j++) 858 omapp->key[i].map[j] = 859 mapp->key[i].map[j]; 860 omapp->key[i].spcl = mapp->key[i].spcl; 861 omapp->key[i].flgs = mapp->key[i].flgs; 862 } 863 break; 864 case PIO_KEYMAP: /* set keyboard translation table */ 865 case OPIO_KEYMAP: /* set keyboard translation table (compat) */ 866 #ifndef KBD_DISABLE_KEYMAP_LOAD 867 mapp = malloc(sizeof *mapp, M_TEMP, M_WAITOK); 868 if (cmd == OPIO_KEYMAP) { 869 omapp = (okeymap_t *)arg; 870 mapp->n_keys = omapp->n_keys; 871 for (i = 0; i < NUM_KEYS; i++) { 872 for (j = 0; j < NUM_STATES; j++) 873 mapp->key[i].map[j] = 874 omapp->key[i].map[j]; 875 mapp->key[i].spcl = omapp->key[i].spcl; 876 mapp->key[i].flgs = omapp->key[i].flgs; 877 } 878 } else { 879 error = copyin(*(void **)arg, mapp, sizeof *mapp); 880 if (error != 0) { 881 splx(s); 882 free(mapp, M_TEMP); 883 return (error); 884 } 885 } 886 887 error = keymap_change_ok(kbd->kb_keymap, mapp, curthread); 888 if (error != 0) { 889 splx(s); 890 free(mapp, M_TEMP); 891 return (error); 892 } 893 bzero(kbd->kb_accentmap, sizeof(*kbd->kb_accentmap)); 894 bcopy(mapp, kbd->kb_keymap, sizeof(*kbd->kb_keymap)); 895 free(mapp, M_TEMP); 896 break; 897 #else 898 splx(s); 899 return (ENODEV); 900 #endif 901 902 case GIO_KEYMAPENT: /* get keyboard translation table entry */ 903 keyp = (keyarg_t *)arg; 904 if (keyp->keynum >= sizeof(kbd->kb_keymap->key) / 905 sizeof(kbd->kb_keymap->key[0])) { 906 splx(s); 907 return (EINVAL); 908 } 909 bcopy(&kbd->kb_keymap->key[keyp->keynum], &keyp->key, 910 sizeof(keyp->key)); 911 break; 912 case PIO_KEYMAPENT: /* set keyboard translation table entry */ 913 #ifndef KBD_DISABLE_KEYMAP_LOAD 914 keyp = (keyarg_t *)arg; 915 if (keyp->keynum >= sizeof(kbd->kb_keymap->key) / 916 sizeof(kbd->kb_keymap->key[0])) { 917 splx(s); 918 return (EINVAL); 919 } 920 error = key_change_ok(&kbd->kb_keymap->key[keyp->keynum], 921 &keyp->key, curthread); 922 if (error != 0) { 923 splx(s); 924 return (error); 925 } 926 bcopy(&keyp->key, &kbd->kb_keymap->key[keyp->keynum], 927 sizeof(keyp->key)); 928 break; 929 #else 930 splx(s); 931 return (ENODEV); 932 #endif 933 934 case GIO_DEADKEYMAP: /* get accent key translation table */ 935 bcopy(kbd->kb_accentmap, arg, sizeof(*kbd->kb_accentmap)); 936 break; 937 case PIO_DEADKEYMAP: /* set accent key translation table */ 938 #ifndef KBD_DISABLE_KEYMAP_LOAD 939 error = accent_change_ok(kbd->kb_accentmap, 940 (accentmap_t *)arg, curthread); 941 if (error != 0) { 942 splx(s); 943 return (error); 944 } 945 bcopy(arg, kbd->kb_accentmap, sizeof(*kbd->kb_accentmap)); 946 break; 947 #else 948 splx(s); 949 return (ENODEV); 950 #endif 951 952 case GETFKEY: /* get functionkey string */ 953 fkeyp = (fkeyarg_t *)arg; 954 if (fkeyp->keynum >= kbd->kb_fkeytab_size) { 955 splx(s); 956 return (EINVAL); 957 } 958 bcopy(kbd->kb_fkeytab[fkeyp->keynum].str, fkeyp->keydef, 959 kbd->kb_fkeytab[fkeyp->keynum].len); 960 fkeyp->flen = kbd->kb_fkeytab[fkeyp->keynum].len; 961 break; 962 case SETFKEY: /* set functionkey string */ 963 #ifndef KBD_DISABLE_KEYMAP_LOAD 964 fkeyp = (fkeyarg_t *)arg; 965 if (fkeyp->keynum >= kbd->kb_fkeytab_size) { 966 splx(s); 967 return (EINVAL); 968 } 969 error = fkey_change_ok(&kbd->kb_fkeytab[fkeyp->keynum], 970 fkeyp, curthread); 971 if (error != 0) { 972 splx(s); 973 return (error); 974 } 975 kbd->kb_fkeytab[fkeyp->keynum].len = min(fkeyp->flen, MAXFK); 976 bcopy(fkeyp->keydef, kbd->kb_fkeytab[fkeyp->keynum].str, 977 kbd->kb_fkeytab[fkeyp->keynum].len); 978 break; 979 #else 980 splx(s); 981 return (ENODEV); 982 #endif 983 984 default: 985 splx(s); 986 return (ENOIOCTL); 987 } 988 989 splx(s); 990 return (0); 991 } 992 993 #ifndef KBD_DISABLE_KEYMAP_LOAD 994 #define RESTRICTED_KEY(key, i) \ 995 ((key->spcl & (0x80 >> i)) && \ 996 (key->map[i] == RBT || key->map[i] == SUSP || \ 997 key->map[i] == STBY || key->map[i] == DBG || \ 998 key->map[i] == PNC || key->map[i] == HALT || \ 999 key->map[i] == PDWN)) 1000 1001 static int 1002 key_change_ok(struct keyent_t *oldkey, struct keyent_t *newkey, struct thread *td) 1003 { 1004 int i; 1005 1006 /* Low keymap_restrict_change means any changes are OK. */ 1007 if (keymap_restrict_change <= 0) 1008 return (0); 1009 1010 /* High keymap_restrict_change means only root can change the keymap. */ 1011 if (keymap_restrict_change >= 2) { 1012 for (i = 0; i < NUM_STATES; i++) 1013 if (oldkey->map[i] != newkey->map[i]) 1014 return priv_check(td, PRIV_KEYBOARD); 1015 if (oldkey->spcl != newkey->spcl) 1016 return priv_check(td, PRIV_KEYBOARD); 1017 if (oldkey->flgs != newkey->flgs) 1018 return priv_check(td, PRIV_KEYBOARD); 1019 return (0); 1020 } 1021 1022 /* Otherwise we have to see if any special keys are being changed. */ 1023 for (i = 0; i < NUM_STATES; i++) { 1024 /* 1025 * If either the oldkey or the newkey action is restricted 1026 * then we must make sure that the action doesn't change. 1027 */ 1028 if (!RESTRICTED_KEY(oldkey, i) && !RESTRICTED_KEY(newkey, i)) 1029 continue; 1030 if ((oldkey->spcl & (0x80 >> i)) == (newkey->spcl & (0x80 >> i)) 1031 && oldkey->map[i] == newkey->map[i]) 1032 continue; 1033 return priv_check(td, PRIV_KEYBOARD); 1034 } 1035 1036 return (0); 1037 } 1038 1039 static int 1040 keymap_change_ok(keymap_t *oldmap, keymap_t *newmap, struct thread *td) 1041 { 1042 int keycode, error; 1043 1044 for (keycode = 0; keycode < NUM_KEYS; keycode++) { 1045 if ((error = key_change_ok(&oldmap->key[keycode], 1046 &newmap->key[keycode], td)) != 0) 1047 return (error); 1048 } 1049 return (0); 1050 } 1051 1052 static int 1053 accent_change_ok(accentmap_t *oldmap, accentmap_t *newmap, struct thread *td) 1054 { 1055 struct acc_t *oldacc, *newacc; 1056 int accent, i; 1057 1058 if (keymap_restrict_change <= 2) 1059 return (0); 1060 1061 if (oldmap->n_accs != newmap->n_accs) 1062 return priv_check(td, PRIV_KEYBOARD); 1063 1064 for (accent = 0; accent < oldmap->n_accs; accent++) { 1065 oldacc = &oldmap->acc[accent]; 1066 newacc = &newmap->acc[accent]; 1067 if (oldacc->accchar != newacc->accchar) 1068 return priv_check(td, PRIV_KEYBOARD); 1069 for (i = 0; i < NUM_ACCENTCHARS; ++i) { 1070 if (oldacc->map[i][0] != newacc->map[i][0]) 1071 return priv_check(td, PRIV_KEYBOARD); 1072 if (oldacc->map[i][0] == 0) /* end of table */ 1073 break; 1074 if (oldacc->map[i][1] != newacc->map[i][1]) 1075 return priv_check(td, PRIV_KEYBOARD); 1076 } 1077 } 1078 1079 return (0); 1080 } 1081 1082 static int 1083 fkey_change_ok(fkeytab_t *oldkey, fkeyarg_t *newkey, struct thread *td) 1084 { 1085 if (keymap_restrict_change <= 3) 1086 return (0); 1087 1088 if (oldkey->len != newkey->flen || 1089 bcmp(oldkey->str, newkey->keydef, oldkey->len) != 0) 1090 return priv_check(td, PRIV_KEYBOARD); 1091 1092 return (0); 1093 } 1094 #endif 1095 1096 /* get a pointer to the string associated with the given function key */ 1097 static u_char * 1098 genkbd_get_fkeystr(keyboard_t *kbd, int fkey, size_t *len) 1099 { 1100 if (kbd == NULL) 1101 return (NULL); 1102 fkey -= F_FN; 1103 if (fkey > kbd->kb_fkeytab_size) 1104 return (NULL); 1105 *len = kbd->kb_fkeytab[fkey].len; 1106 return (kbd->kb_fkeytab[fkey].str); 1107 } 1108 1109 /* diagnostic dump */ 1110 static char * 1111 get_kbd_type_name(int type) 1112 { 1113 static struct { 1114 int type; 1115 char *name; 1116 } name_table[] = { 1117 { KB_84, "AT 84" }, 1118 { KB_101, "AT 101/102" }, 1119 { KB_OTHER, "generic" }, 1120 }; 1121 int i; 1122 1123 for (i = 0; i < nitems(name_table); ++i) { 1124 if (type == name_table[i].type) 1125 return (name_table[i].name); 1126 } 1127 return ("unknown"); 1128 } 1129 1130 static void 1131 genkbd_diag(keyboard_t *kbd, int level) 1132 { 1133 if (level > 0) { 1134 printf("kbd%d: %s%d, %s (%d), config:0x%x, flags:0x%x", 1135 kbd->kb_index, kbd->kb_name, kbd->kb_unit, 1136 get_kbd_type_name(kbd->kb_type), kbd->kb_type, 1137 kbd->kb_config, kbd->kb_flags); 1138 if (kbd->kb_io_base > 0) 1139 printf(", port:0x%x-0x%x", kbd->kb_io_base, 1140 kbd->kb_io_base + kbd->kb_io_size - 1); 1141 printf("\n"); 1142 } 1143 } 1144 1145 #define set_lockkey_state(k, s, l) \ 1146 if (!((s) & l ## DOWN)) { \ 1147 int i; \ 1148 (s) |= l ## DOWN; \ 1149 (s) ^= l ## ED; \ 1150 i = (s) & LOCK_MASK; \ 1151 (void)kbdd_ioctl((k), KDSETLED, (caddr_t)&i); \ 1152 } 1153 1154 static u_int 1155 save_accent_key(keyboard_t *kbd, u_int key, int *accents) 1156 { 1157 int i; 1158 1159 /* make an index into the accent map */ 1160 i = key - F_ACC + 1; 1161 if ((i > kbd->kb_accentmap->n_accs) 1162 || (kbd->kb_accentmap->acc[i - 1].accchar == 0)) { 1163 /* the index is out of range or pointing to an empty entry */ 1164 *accents = 0; 1165 return (ERRKEY); 1166 } 1167 1168 /* 1169 * If the same accent key has been hit twice, produce the accent 1170 * char itself. 1171 */ 1172 if (i == *accents) { 1173 key = kbd->kb_accentmap->acc[i - 1].accchar; 1174 *accents = 0; 1175 return (key); 1176 } 1177 1178 /* remember the index and wait for the next key */ 1179 *accents = i; 1180 return (NOKEY); 1181 } 1182 1183 static u_int 1184 make_accent_char(keyboard_t *kbd, u_int ch, int *accents) 1185 { 1186 struct acc_t *acc; 1187 int i; 1188 1189 acc = &kbd->kb_accentmap->acc[*accents - 1]; 1190 *accents = 0; 1191 1192 /* 1193 * If the accent key is followed by the space key, 1194 * produce the accent char itself. 1195 */ 1196 if (ch == ' ') 1197 return (acc->accchar); 1198 1199 /* scan the accent map */ 1200 for (i = 0; i < NUM_ACCENTCHARS; ++i) { 1201 if (acc->map[i][0] == 0) /* end of table */ 1202 break; 1203 if (acc->map[i][0] == ch) 1204 return (acc->map[i][1]); 1205 } 1206 /* this char cannot be accented... */ 1207 return (ERRKEY); 1208 } 1209 1210 int 1211 genkbd_keyaction(keyboard_t *kbd, int keycode, int up, int *shiftstate, 1212 int *accents) 1213 { 1214 struct keyent_t *key; 1215 int state = *shiftstate; 1216 int action; 1217 int f; 1218 int i; 1219 1220 i = keycode; 1221 f = state & (AGRS | ALKED); 1222 if ((f == AGRS1) || (f == AGRS2) || (f == ALKED)) 1223 i += ALTGR_OFFSET; 1224 key = &kbd->kb_keymap->key[i]; 1225 i = ((state & SHIFTS) ? 1 : 0) 1226 | ((state & CTLS) ? 2 : 0) 1227 | ((state & ALTS) ? 4 : 0); 1228 if (((key->flgs & FLAG_LOCK_C) && (state & CLKED)) 1229 || ((key->flgs & FLAG_LOCK_N) && (state & NLKED)) ) 1230 i ^= 1; 1231 1232 if (up) { /* break: key released */ 1233 action = kbd->kb_lastact[keycode]; 1234 kbd->kb_lastact[keycode] = NOP; 1235 switch (action) { 1236 case LSHA: 1237 if (state & SHIFTAON) { 1238 set_lockkey_state(kbd, state, ALK); 1239 state &= ~ALKDOWN; 1240 } 1241 action = LSH; 1242 /* FALL THROUGH */ 1243 case LSH: 1244 state &= ~SHIFTS1; 1245 break; 1246 case RSHA: 1247 if (state & SHIFTAON) { 1248 set_lockkey_state(kbd, state, ALK); 1249 state &= ~ALKDOWN; 1250 } 1251 action = RSH; 1252 /* FALL THROUGH */ 1253 case RSH: 1254 state &= ~SHIFTS2; 1255 break; 1256 case LCTRA: 1257 if (state & SHIFTAON) { 1258 set_lockkey_state(kbd, state, ALK); 1259 state &= ~ALKDOWN; 1260 } 1261 action = LCTR; 1262 /* FALL THROUGH */ 1263 case LCTR: 1264 state &= ~CTLS1; 1265 break; 1266 case RCTRA: 1267 if (state & SHIFTAON) { 1268 set_lockkey_state(kbd, state, ALK); 1269 state &= ~ALKDOWN; 1270 } 1271 action = RCTR; 1272 /* FALL THROUGH */ 1273 case RCTR: 1274 state &= ~CTLS2; 1275 break; 1276 case LALTA: 1277 if (state & SHIFTAON) { 1278 set_lockkey_state(kbd, state, ALK); 1279 state &= ~ALKDOWN; 1280 } 1281 action = LALT; 1282 /* FALL THROUGH */ 1283 case LALT: 1284 state &= ~ALTS1; 1285 break; 1286 case RALTA: 1287 if (state & SHIFTAON) { 1288 set_lockkey_state(kbd, state, ALK); 1289 state &= ~ALKDOWN; 1290 } 1291 action = RALT; 1292 /* FALL THROUGH */ 1293 case RALT: 1294 state &= ~ALTS2; 1295 break; 1296 case ASH: 1297 state &= ~AGRS1; 1298 break; 1299 case META: 1300 state &= ~METAS1; 1301 break; 1302 case NLK: 1303 state &= ~NLKDOWN; 1304 break; 1305 case CLK: 1306 state &= ~CLKDOWN; 1307 break; 1308 case SLK: 1309 state &= ~SLKDOWN; 1310 break; 1311 case ALK: 1312 state &= ~ALKDOWN; 1313 break; 1314 case NOP: 1315 /* release events of regular keys are not reported */ 1316 *shiftstate &= ~SHIFTAON; 1317 return (NOKEY); 1318 } 1319 *shiftstate = state & ~SHIFTAON; 1320 return (SPCLKEY | RELKEY | action); 1321 } else { /* make: key pressed */ 1322 action = key->map[i]; 1323 state &= ~SHIFTAON; 1324 if (key->spcl & (0x80 >> i)) { 1325 /* special keys */ 1326 if (kbd->kb_lastact[keycode] == NOP) 1327 kbd->kb_lastact[keycode] = action; 1328 if (kbd->kb_lastact[keycode] != action) 1329 action = NOP; 1330 switch (action) { 1331 /* LOCKING KEYS */ 1332 case NLK: 1333 set_lockkey_state(kbd, state, NLK); 1334 break; 1335 case CLK: 1336 set_lockkey_state(kbd, state, CLK); 1337 break; 1338 case SLK: 1339 set_lockkey_state(kbd, state, SLK); 1340 break; 1341 case ALK: 1342 set_lockkey_state(kbd, state, ALK); 1343 break; 1344 /* NON-LOCKING KEYS */ 1345 case SPSC: case RBT: case SUSP: case STBY: 1346 case DBG: case NEXT: case PREV: case PNC: 1347 case HALT: case PDWN: 1348 *accents = 0; 1349 break; 1350 case BTAB: 1351 *accents = 0; 1352 action |= BKEY; 1353 break; 1354 case LSHA: 1355 state |= SHIFTAON; 1356 action = LSH; 1357 /* FALL THROUGH */ 1358 case LSH: 1359 state |= SHIFTS1; 1360 break; 1361 case RSHA: 1362 state |= SHIFTAON; 1363 action = RSH; 1364 /* FALL THROUGH */ 1365 case RSH: 1366 state |= SHIFTS2; 1367 break; 1368 case LCTRA: 1369 state |= SHIFTAON; 1370 action = LCTR; 1371 /* FALL THROUGH */ 1372 case LCTR: 1373 state |= CTLS1; 1374 break; 1375 case RCTRA: 1376 state |= SHIFTAON; 1377 action = RCTR; 1378 /* FALL THROUGH */ 1379 case RCTR: 1380 state |= CTLS2; 1381 break; 1382 case LALTA: 1383 state |= SHIFTAON; 1384 action = LALT; 1385 /* FALL THROUGH */ 1386 case LALT: 1387 state |= ALTS1; 1388 break; 1389 case RALTA: 1390 state |= SHIFTAON; 1391 action = RALT; 1392 /* FALL THROUGH */ 1393 case RALT: 1394 state |= ALTS2; 1395 break; 1396 case ASH: 1397 state |= AGRS1; 1398 break; 1399 case META: 1400 state |= METAS1; 1401 break; 1402 case NOP: 1403 *shiftstate = state; 1404 return (NOKEY); 1405 default: 1406 /* is this an accent (dead) key? */ 1407 *shiftstate = state; 1408 if (action >= F_ACC && action <= L_ACC) { 1409 action = save_accent_key(kbd, action, 1410 accents); 1411 switch (action) { 1412 case NOKEY: 1413 case ERRKEY: 1414 return (action); 1415 default: 1416 if (state & METAS) 1417 return (action | MKEY); 1418 else 1419 return (action); 1420 } 1421 /* NOT REACHED */ 1422 } 1423 /* other special keys */ 1424 if (*accents > 0) { 1425 *accents = 0; 1426 return (ERRKEY); 1427 } 1428 if (action >= F_FN && action <= L_FN) 1429 action |= FKEY; 1430 /* XXX: return fkey string for the FKEY? */ 1431 return (SPCLKEY | action); 1432 } 1433 *shiftstate = state; 1434 return (SPCLKEY | action); 1435 } else { 1436 /* regular keys */ 1437 kbd->kb_lastact[keycode] = NOP; 1438 *shiftstate = state; 1439 if (*accents > 0) { 1440 /* make an accented char */ 1441 action = make_accent_char(kbd, action, accents); 1442 if (action == ERRKEY) 1443 return (action); 1444 } 1445 if (state & METAS) 1446 action |= MKEY; 1447 return (action); 1448 } 1449 } 1450 /* NOT REACHED */ 1451 } 1452 1453 void 1454 kbd_ev_event(keyboard_t *kbd, uint16_t type, uint16_t code, int32_t value) 1455 { 1456 int delay[2], led = 0, leds, oleds; 1457 1458 if (type == EV_LED) { 1459 leds = oleds = KBD_LED_VAL(kbd); 1460 switch (code) { 1461 case LED_CAPSL: 1462 led = CLKED; 1463 break; 1464 case LED_NUML: 1465 led = NLKED; 1466 break; 1467 case LED_SCROLLL: 1468 led = SLKED; 1469 break; 1470 } 1471 1472 if (value) 1473 leds |= led; 1474 else 1475 leds &= ~led; 1476 1477 if (leds != oleds) 1478 kbdd_ioctl(kbd, KDSETLED, (caddr_t)&leds); 1479 1480 } else if (type == EV_REP && code == REP_DELAY) { 1481 delay[0] = value; 1482 delay[1] = kbd->kb_delay2; 1483 kbdd_ioctl(kbd, KDSETREPEAT, (caddr_t)delay); 1484 } else if (type == EV_REP && code == REP_PERIOD) { 1485 delay[0] = kbd->kb_delay1; 1486 delay[1] = value; 1487 kbdd_ioctl(kbd, KDSETREPEAT, (caddr_t)delay); 1488 } 1489 } 1490 1491 void 1492 kbdinit(void) 1493 { 1494 keyboard_driver_t *drv, **list; 1495 1496 SET_FOREACH(list, kbddriver_set) { 1497 drv = *list; 1498 1499 /* 1500 * The following printfs will almost universally get dropped, 1501 * with exception to kernel configs with EARLY_PRINTF and 1502 * special setups where msgbufinit() is called early with a 1503 * static buffer to capture output occurring before the dynamic 1504 * message buffer is mapped. 1505 */ 1506 if (kbd_add_driver(drv) != 0) 1507 printf("kbd: failed to register driver '%s'\n", 1508 drv->name); 1509 else if (bootverbose) 1510 printf("kbd: registered driver '%s'\n", 1511 drv->name); 1512 } 1513 1514 } 1515