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 | CTLFLAG_MPSAFE, 0, 89 "kbd"); 90 SYSCTL_INT(_hw_kbd, OID_AUTO, keymap_restrict_change, CTLFLAG_RW, 91 &keymap_restrict_change, 0, "restrict ability to change keymap"); 92 93 #define ARRAY_DELTA 4 94 95 static int 96 kbd_realloc_array(void) 97 { 98 keyboard_t **new_kbd; 99 int newsize; 100 int s; 101 102 s = spltty(); 103 newsize = rounddown(keyboards + ARRAY_DELTA, ARRAY_DELTA); 104 new_kbd = malloc(sizeof(*new_kbd)*newsize, M_DEVBUF, M_NOWAIT|M_ZERO); 105 if (new_kbd == NULL) { 106 splx(s); 107 return (ENOMEM); 108 } 109 bcopy(keyboard, new_kbd, sizeof(*keyboard)*keyboards); 110 if (keyboards > 1) 111 free(keyboard, M_DEVBUF); 112 keyboard = new_kbd; 113 keyboards = newsize; 114 splx(s); 115 116 if (bootverbose) 117 printf("kbd: new array size %d\n", keyboards); 118 119 return (0); 120 } 121 122 /* 123 * Low-level keyboard driver functions 124 * Keyboard subdrivers, such as the AT keyboard driver and the USB keyboard 125 * driver, call these functions to initialize the keyboard_t structure 126 * and register it to the virtual keyboard driver `kbd'. 127 */ 128 129 /* initialize the keyboard_t structure */ 130 void 131 kbd_init_struct(keyboard_t *kbd, char *name, int type, int unit, int config, 132 int port, int port_size) 133 { 134 kbd->kb_flags = KB_NO_DEVICE; /* device has not been found */ 135 kbd->kb_name = name; 136 kbd->kb_type = type; 137 kbd->kb_unit = unit; 138 kbd->kb_config = config & ~KB_CONF_PROBE_ONLY; 139 kbd->kb_led = 0; /* unknown */ 140 kbd->kb_io_base = port; 141 kbd->kb_io_size = port_size; 142 kbd->kb_data = NULL; 143 kbd->kb_keymap = NULL; 144 kbd->kb_accentmap = NULL; 145 kbd->kb_fkeytab = NULL; 146 kbd->kb_fkeytab_size = 0; 147 kbd->kb_delay1 = KB_DELAY1; /* these values are advisory only */ 148 kbd->kb_delay2 = KB_DELAY2; 149 kbd->kb_count = 0L; 150 bzero(kbd->kb_lastact, sizeof(kbd->kb_lastact)); 151 } 152 153 void 154 kbd_set_maps(keyboard_t *kbd, keymap_t *keymap, accentmap_t *accmap, 155 fkeytab_t *fkeymap, int fkeymap_size) 156 { 157 kbd->kb_keymap = keymap; 158 kbd->kb_accentmap = accmap; 159 kbd->kb_fkeytab = fkeymap; 160 kbd->kb_fkeytab_size = fkeymap_size; 161 } 162 163 /* declare a new keyboard driver */ 164 int 165 kbd_add_driver(keyboard_driver_t *driver) 166 { 167 168 if ((driver->flags & KBDF_REGISTERED) != 0) 169 return (0); 170 171 KASSERT(SLIST_NEXT(driver, link) == NULL, 172 ("%s: keyboard driver list garbage detected", __func__)); 173 if (driver->kbdsw->get_fkeystr == NULL) 174 driver->kbdsw->get_fkeystr = genkbd_get_fkeystr; 175 if (driver->kbdsw->diag == NULL) 176 driver->kbdsw->diag = genkbd_diag; 177 178 driver->flags |= KBDF_REGISTERED; 179 SLIST_INSERT_HEAD(&keyboard_drivers, driver, link); 180 return (0); 181 } 182 183 int 184 kbd_delete_driver(keyboard_driver_t *driver) 185 { 186 187 if ((driver->flags & KBDF_REGISTERED) == 0) 188 return (EINVAL); 189 190 driver->flags &= ~KBDF_REGISTERED; 191 SLIST_REMOVE(&keyboard_drivers, driver, keyboard_driver, link); 192 SLIST_NEXT(driver, link) = NULL; 193 return (0); 194 } 195 196 /* register a keyboard and associate it with a function table */ 197 int 198 kbd_register(keyboard_t *kbd) 199 { 200 const keyboard_driver_t *p; 201 keyboard_t *mux; 202 keyboard_info_t ki; 203 int index; 204 205 mux = kbd_get_keyboard(kbd_find_keyboard("kbdmux", -1)); 206 207 for (index = 0; index < keyboards; ++index) { 208 if (keyboard[index] == NULL) 209 break; 210 } 211 if (index >= keyboards) { 212 if (kbd_realloc_array()) 213 return (-1); 214 } 215 216 kbd->kb_index = index; 217 KBD_UNBUSY(kbd); 218 KBD_VALID(kbd); 219 kbd->kb_active = 0; /* disabled until someone calls kbd_enable() */ 220 kbd->kb_token = NULL; 221 kbd->kb_callback.kc_func = NULL; 222 kbd->kb_callback.kc_arg = NULL; 223 224 SLIST_FOREACH(p, &keyboard_drivers, link) { 225 if (strcmp(p->name, kbd->kb_name) == 0) { 226 kbd->kb_drv = p; 227 keyboard[index] = kbd; 228 229 if (mux != NULL) { 230 bzero(&ki, sizeof(ki)); 231 strcpy(ki.kb_name, kbd->kb_name); 232 ki.kb_unit = kbd->kb_unit; 233 234 (void)kbdd_ioctl(mux, KBADDKBD, (caddr_t) &ki); 235 } 236 237 return (index); 238 } 239 } 240 241 return (-1); 242 } 243 244 int 245 kbd_unregister(keyboard_t *kbd) 246 { 247 int error; 248 int s; 249 250 if ((kbd->kb_index < 0) || (kbd->kb_index >= keyboards)) 251 return (ENOENT); 252 if (keyboard[kbd->kb_index] != kbd) 253 return (ENOENT); 254 255 s = spltty(); 256 if (KBD_IS_BUSY(kbd)) { 257 error = (*kbd->kb_callback.kc_func)(kbd, KBDIO_UNLOADING, 258 kbd->kb_callback.kc_arg); 259 if (error) { 260 splx(s); 261 return (error); 262 } 263 if (KBD_IS_BUSY(kbd)) { 264 splx(s); 265 return (EBUSY); 266 } 267 } 268 KBD_INVALID(kbd); 269 keyboard[kbd->kb_index] = NULL; 270 271 splx(s); 272 return (0); 273 } 274 275 /* find a function table by the driver name */ 276 keyboard_switch_t * 277 kbd_get_switch(char *driver) 278 { 279 const keyboard_driver_t *p; 280 281 SLIST_FOREACH(p, &keyboard_drivers, link) { 282 if (strcmp(p->name, driver) == 0) 283 return (p->kbdsw); 284 } 285 286 return (NULL); 287 } 288 289 /* 290 * Keyboard client functions 291 * Keyboard clients, such as the console driver `syscons' and the keyboard 292 * cdev driver, use these functions to claim and release a keyboard for 293 * exclusive use. 294 */ 295 296 /* 297 * find the keyboard specified by a driver name and a unit number 298 * starting at given index 299 */ 300 int 301 kbd_find_keyboard2(char *driver, int unit, int index) 302 { 303 int i; 304 305 if ((index < 0) || (index >= keyboards)) 306 return (-1); 307 308 for (i = index; i < keyboards; ++i) { 309 if (keyboard[i] == NULL) 310 continue; 311 if (!KBD_IS_VALID(keyboard[i])) 312 continue; 313 if (strcmp("*", driver) && strcmp(keyboard[i]->kb_name, driver)) 314 continue; 315 if ((unit != -1) && (keyboard[i]->kb_unit != unit)) 316 continue; 317 return (i); 318 } 319 320 return (-1); 321 } 322 323 /* find the keyboard specified by a driver name and a unit number */ 324 int 325 kbd_find_keyboard(char *driver, int unit) 326 { 327 return (kbd_find_keyboard2(driver, unit, 0)); 328 } 329 330 /* allocate a keyboard */ 331 int 332 kbd_allocate(char *driver, int unit, void *id, kbd_callback_func_t *func, 333 void *arg) 334 { 335 int index; 336 int s; 337 338 if (func == NULL) 339 return (-1); 340 341 s = spltty(); 342 index = kbd_find_keyboard(driver, unit); 343 if (index >= 0) { 344 if (KBD_IS_BUSY(keyboard[index])) { 345 splx(s); 346 return (-1); 347 } 348 keyboard[index]->kb_token = id; 349 KBD_BUSY(keyboard[index]); 350 keyboard[index]->kb_callback.kc_func = func; 351 keyboard[index]->kb_callback.kc_arg = arg; 352 kbdd_clear_state(keyboard[index]); 353 } 354 splx(s); 355 return (index); 356 } 357 358 int 359 kbd_release(keyboard_t *kbd, void *id) 360 { 361 int error; 362 int s; 363 364 s = spltty(); 365 if (!KBD_IS_VALID(kbd) || !KBD_IS_BUSY(kbd)) { 366 error = EINVAL; 367 } else if (kbd->kb_token != id) { 368 error = EPERM; 369 } else { 370 kbd->kb_token = NULL; 371 KBD_UNBUSY(kbd); 372 kbd->kb_callback.kc_func = NULL; 373 kbd->kb_callback.kc_arg = NULL; 374 kbdd_clear_state(kbd); 375 error = 0; 376 } 377 splx(s); 378 return (error); 379 } 380 381 int 382 kbd_change_callback(keyboard_t *kbd, void *id, kbd_callback_func_t *func, 383 void *arg) 384 { 385 int error; 386 int s; 387 388 s = spltty(); 389 if (!KBD_IS_VALID(kbd) || !KBD_IS_BUSY(kbd)) { 390 error = EINVAL; 391 } else if (kbd->kb_token != id) { 392 error = EPERM; 393 } else if (func == NULL) { 394 error = EINVAL; 395 } else { 396 kbd->kb_callback.kc_func = func; 397 kbd->kb_callback.kc_arg = arg; 398 error = 0; 399 } 400 splx(s); 401 return (error); 402 } 403 404 /* get a keyboard structure */ 405 keyboard_t * 406 kbd_get_keyboard(int index) 407 { 408 if ((index < 0) || (index >= keyboards)) 409 return (NULL); 410 if (keyboard[index] == NULL) 411 return (NULL); 412 if (!KBD_IS_VALID(keyboard[index])) 413 return (NULL); 414 return (keyboard[index]); 415 } 416 417 /* 418 * The back door for the console driver; configure keyboards 419 * This function is for the kernel console to initialize keyboards 420 * at very early stage. 421 */ 422 423 int 424 kbd_configure(int flags) 425 { 426 const keyboard_driver_t *p; 427 428 SLIST_FOREACH(p, &keyboard_drivers, link) { 429 if (p->configure != NULL) 430 (*p->configure)(flags); 431 } 432 433 return (0); 434 } 435 436 #ifdef KBD_INSTALL_CDEV 437 438 /* 439 * Virtual keyboard cdev driver functions 440 * The virtual keyboard driver dispatches driver functions to 441 * appropriate subdrivers. 442 */ 443 444 #define KBD_UNIT(dev) dev2unit(dev) 445 446 static d_open_t genkbdopen; 447 static d_close_t genkbdclose; 448 static d_read_t genkbdread; 449 static d_write_t genkbdwrite; 450 static d_ioctl_t genkbdioctl; 451 static d_poll_t genkbdpoll; 452 453 454 static struct cdevsw kbd_cdevsw = { 455 .d_version = D_VERSION, 456 .d_flags = D_NEEDGIANT, 457 .d_open = genkbdopen, 458 .d_close = genkbdclose, 459 .d_read = genkbdread, 460 .d_write = genkbdwrite, 461 .d_ioctl = genkbdioctl, 462 .d_poll = genkbdpoll, 463 .d_name = "kbd", 464 }; 465 466 int 467 kbd_attach(keyboard_t *kbd) 468 { 469 470 if (kbd->kb_index >= keyboards) 471 return (EINVAL); 472 if (keyboard[kbd->kb_index] != kbd) 473 return (EINVAL); 474 475 kbd->kb_dev = make_dev(&kbd_cdevsw, kbd->kb_index, UID_ROOT, GID_WHEEL, 476 0600, "%s%r", kbd->kb_name, kbd->kb_unit); 477 make_dev_alias(kbd->kb_dev, "kbd%r", kbd->kb_index); 478 kbd->kb_dev->si_drv1 = malloc(sizeof(genkbd_softc_t), M_DEVBUF, 479 M_WAITOK | M_ZERO); 480 printf("kbd%d at %s%d\n", kbd->kb_index, kbd->kb_name, kbd->kb_unit); 481 return (0); 482 } 483 484 int 485 kbd_detach(keyboard_t *kbd) 486 { 487 488 if (kbd->kb_index >= keyboards) 489 return (EINVAL); 490 if (keyboard[kbd->kb_index] != kbd) 491 return (EINVAL); 492 493 free(kbd->kb_dev->si_drv1, M_DEVBUF); 494 destroy_dev(kbd->kb_dev); 495 496 return (0); 497 } 498 499 /* 500 * Generic keyboard cdev driver functions 501 * Keyboard subdrivers may call these functions to implement common 502 * driver functions. 503 */ 504 505 static void 506 genkbd_putc(genkbd_softc_t *sc, char c) 507 { 508 unsigned int p; 509 510 if (sc->gkb_q_length == KB_QSIZE) 511 return; 512 513 p = (sc->gkb_q_start + sc->gkb_q_length) % KB_QSIZE; 514 sc->gkb_q[p] = c; 515 sc->gkb_q_length++; 516 } 517 518 static size_t 519 genkbd_getc(genkbd_softc_t *sc, char *buf, size_t len) 520 { 521 522 /* Determine copy size. */ 523 if (sc->gkb_q_length == 0) 524 return (0); 525 if (len >= sc->gkb_q_length) 526 len = sc->gkb_q_length; 527 if (len >= KB_QSIZE - sc->gkb_q_start) 528 len = KB_QSIZE - sc->gkb_q_start; 529 530 /* Copy out data and progress offset. */ 531 memcpy(buf, sc->gkb_q + sc->gkb_q_start, len); 532 sc->gkb_q_start = (sc->gkb_q_start + len) % KB_QSIZE; 533 sc->gkb_q_length -= len; 534 535 return (len); 536 } 537 538 static kbd_callback_func_t genkbd_event; 539 540 static int 541 genkbdopen(struct cdev *dev, int mode, int flag, struct thread *td) 542 { 543 keyboard_t *kbd; 544 genkbd_softc_t *sc; 545 int s; 546 int i; 547 548 s = spltty(); 549 sc = dev->si_drv1; 550 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 551 if ((sc == NULL) || (kbd == NULL) || !KBD_IS_VALID(kbd)) { 552 splx(s); 553 return (ENXIO); 554 } 555 i = kbd_allocate(kbd->kb_name, kbd->kb_unit, sc, 556 genkbd_event, (void *)sc); 557 if (i < 0) { 558 splx(s); 559 return (EBUSY); 560 } 561 /* assert(i == kbd->kb_index) */ 562 /* assert(kbd == kbd_get_keyboard(i)) */ 563 564 /* 565 * NOTE: even when we have successfully claimed a keyboard, 566 * the device may still be missing (!KBD_HAS_DEVICE(kbd)). 567 */ 568 569 sc->gkb_q_length = 0; 570 splx(s); 571 572 return (0); 573 } 574 575 static int 576 genkbdclose(struct cdev *dev, int mode, int flag, struct thread *td) 577 { 578 keyboard_t *kbd; 579 genkbd_softc_t *sc; 580 int s; 581 582 /* 583 * NOTE: the device may have already become invalid. 584 * kbd == NULL || !KBD_IS_VALID(kbd) 585 */ 586 s = spltty(); 587 sc = dev->si_drv1; 588 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 589 if ((sc == NULL) || (kbd == NULL) || !KBD_IS_VALID(kbd)) { 590 /* XXX: we shall be forgiving and don't report error... */ 591 } else { 592 kbd_release(kbd, (void *)sc); 593 } 594 splx(s); 595 return (0); 596 } 597 598 static int 599 genkbdread(struct cdev *dev, struct uio *uio, int flag) 600 { 601 keyboard_t *kbd; 602 genkbd_softc_t *sc; 603 u_char buffer[KB_BUFSIZE]; 604 int len; 605 int error; 606 int s; 607 608 /* wait for input */ 609 s = spltty(); 610 sc = dev->si_drv1; 611 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 612 if ((sc == NULL) || (kbd == NULL) || !KBD_IS_VALID(kbd)) { 613 splx(s); 614 return (ENXIO); 615 } 616 while (sc->gkb_q_length == 0) { 617 if (flag & O_NONBLOCK) { 618 splx(s); 619 return (EWOULDBLOCK); 620 } 621 sc->gkb_flags |= KB_ASLEEP; 622 error = tsleep(sc, PZERO | PCATCH, "kbdrea", 0); 623 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 624 if ((kbd == NULL) || !KBD_IS_VALID(kbd)) { 625 splx(s); 626 return (ENXIO); /* our keyboard has gone... */ 627 } 628 if (error) { 629 sc->gkb_flags &= ~KB_ASLEEP; 630 splx(s); 631 return (error); 632 } 633 } 634 splx(s); 635 636 /* copy as much input as possible */ 637 error = 0; 638 while (uio->uio_resid > 0) { 639 len = imin(uio->uio_resid, sizeof(buffer)); 640 len = genkbd_getc(sc, buffer, len); 641 if (len <= 0) 642 break; 643 error = uiomove(buffer, len, uio); 644 if (error) 645 break; 646 } 647 648 return (error); 649 } 650 651 static int 652 genkbdwrite(struct cdev *dev, struct uio *uio, int flag) 653 { 654 keyboard_t *kbd; 655 656 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 657 if ((kbd == NULL) || !KBD_IS_VALID(kbd)) 658 return (ENXIO); 659 return (ENODEV); 660 } 661 662 static int 663 genkbdioctl(struct cdev *dev, u_long cmd, caddr_t arg, int flag, struct thread *td) 664 { 665 keyboard_t *kbd; 666 int error; 667 668 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 669 if ((kbd == NULL) || !KBD_IS_VALID(kbd)) 670 return (ENXIO); 671 error = kbdd_ioctl(kbd, cmd, arg); 672 if (error == ENOIOCTL) 673 error = ENODEV; 674 return (error); 675 } 676 677 static int 678 genkbdpoll(struct cdev *dev, int events, struct thread *td) 679 { 680 keyboard_t *kbd; 681 genkbd_softc_t *sc; 682 int revents; 683 int s; 684 685 revents = 0; 686 s = spltty(); 687 sc = dev->si_drv1; 688 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 689 if ((sc == NULL) || (kbd == NULL) || !KBD_IS_VALID(kbd)) { 690 revents = POLLHUP; /* the keyboard has gone */ 691 } else if (events & (POLLIN | POLLRDNORM)) { 692 if (sc->gkb_q_length > 0) 693 revents = events & (POLLIN | POLLRDNORM); 694 else 695 selrecord(td, &sc->gkb_rsel); 696 } 697 splx(s); 698 return (revents); 699 } 700 701 static int 702 genkbd_event(keyboard_t *kbd, int event, void *arg) 703 { 704 genkbd_softc_t *sc; 705 size_t len; 706 u_char *cp; 707 int mode; 708 u_int c; 709 710 /* assert(KBD_IS_VALID(kbd)) */ 711 sc = (genkbd_softc_t *)arg; 712 713 switch (event) { 714 case KBDIO_KEYINPUT: 715 break; 716 case KBDIO_UNLOADING: 717 /* the keyboard is going... */ 718 kbd_release(kbd, (void *)sc); 719 if (sc->gkb_flags & KB_ASLEEP) { 720 sc->gkb_flags &= ~KB_ASLEEP; 721 wakeup(sc); 722 } 723 selwakeuppri(&sc->gkb_rsel, PZERO); 724 return (0); 725 default: 726 return (EINVAL); 727 } 728 729 /* obtain the current key input mode */ 730 if (kbdd_ioctl(kbd, KDGKBMODE, (caddr_t)&mode)) 731 mode = K_XLATE; 732 733 /* read all pending input */ 734 while (kbdd_check_char(kbd)) { 735 c = kbdd_read_char(kbd, FALSE); 736 if (c == NOKEY) 737 continue; 738 if (c == ERRKEY) /* XXX: ring bell? */ 739 continue; 740 if (!KBD_IS_BUSY(kbd)) 741 /* the device is not open, discard the input */ 742 continue; 743 744 /* store the byte as is for K_RAW and K_CODE modes */ 745 if (mode != K_XLATE) { 746 genkbd_putc(sc, KEYCHAR(c)); 747 continue; 748 } 749 750 /* K_XLATE */ 751 if (c & RELKEY) /* key release is ignored */ 752 continue; 753 754 /* process special keys; most of them are just ignored... */ 755 if (c & SPCLKEY) { 756 switch (KEYCHAR(c)) { 757 default: 758 /* ignore them... */ 759 continue; 760 case BTAB: /* a backtab: ESC [ Z */ 761 genkbd_putc(sc, 0x1b); 762 genkbd_putc(sc, '['); 763 genkbd_putc(sc, 'Z'); 764 continue; 765 } 766 } 767 768 /* normal chars, normal chars with the META, function keys */ 769 switch (KEYFLAGS(c)) { 770 case 0: /* a normal char */ 771 genkbd_putc(sc, KEYCHAR(c)); 772 break; 773 case MKEY: /* the META flag: prepend ESC */ 774 genkbd_putc(sc, 0x1b); 775 genkbd_putc(sc, KEYCHAR(c)); 776 break; 777 case FKEY | SPCLKEY: /* a function key, return string */ 778 cp = kbdd_get_fkeystr(kbd, KEYCHAR(c), &len); 779 if (cp != NULL) { 780 while (len-- > 0) 781 genkbd_putc(sc, *cp++); 782 } 783 break; 784 } 785 } 786 787 /* wake up sleeping/polling processes */ 788 if (sc->gkb_q_length > 0) { 789 if (sc->gkb_flags & KB_ASLEEP) { 790 sc->gkb_flags &= ~KB_ASLEEP; 791 wakeup(sc); 792 } 793 selwakeuppri(&sc->gkb_rsel, PZERO); 794 } 795 796 return (0); 797 } 798 799 #endif /* KBD_INSTALL_CDEV */ 800 801 /* 802 * Generic low-level keyboard functions 803 * The low-level functions in the keyboard subdriver may use these 804 * functions. 805 */ 806 807 #ifndef KBD_DISABLE_KEYMAP_LOAD 808 static int key_change_ok(struct keyent_t *, struct keyent_t *, struct thread *); 809 static int keymap_change_ok(keymap_t *, keymap_t *, struct thread *); 810 static int accent_change_ok(accentmap_t *, accentmap_t *, struct thread *); 811 static int fkey_change_ok(fkeytab_t *, fkeyarg_t *, struct thread *); 812 #endif 813 814 int 815 genkbd_commonioctl(keyboard_t *kbd, u_long cmd, caddr_t arg) 816 { 817 keymap_t *mapp; 818 okeymap_t *omapp; 819 keyarg_t *keyp; 820 fkeyarg_t *fkeyp; 821 int s; 822 int i, j; 823 int error; 824 825 s = spltty(); 826 switch (cmd) { 827 828 case KDGKBINFO: /* get keyboard information */ 829 ((keyboard_info_t *)arg)->kb_index = kbd->kb_index; 830 i = imin(strlen(kbd->kb_name) + 1, 831 sizeof(((keyboard_info_t *)arg)->kb_name)); 832 bcopy(kbd->kb_name, ((keyboard_info_t *)arg)->kb_name, i); 833 ((keyboard_info_t *)arg)->kb_unit = kbd->kb_unit; 834 ((keyboard_info_t *)arg)->kb_type = kbd->kb_type; 835 ((keyboard_info_t *)arg)->kb_config = kbd->kb_config; 836 ((keyboard_info_t *)arg)->kb_flags = kbd->kb_flags; 837 break; 838 839 case KDGKBTYPE: /* get keyboard type */ 840 *(int *)arg = kbd->kb_type; 841 break; 842 843 case KDGETREPEAT: /* get keyboard repeat rate */ 844 ((int *)arg)[0] = kbd->kb_delay1; 845 ((int *)arg)[1] = kbd->kb_delay2; 846 break; 847 848 case GIO_KEYMAP: /* get keyboard translation table */ 849 error = copyout(kbd->kb_keymap, *(void **)arg, 850 sizeof(keymap_t)); 851 splx(s); 852 return (error); 853 case OGIO_KEYMAP: /* get keyboard translation table (compat) */ 854 mapp = kbd->kb_keymap; 855 omapp = (okeymap_t *)arg; 856 omapp->n_keys = mapp->n_keys; 857 for (i = 0; i < NUM_KEYS; i++) { 858 for (j = 0; j < NUM_STATES; j++) 859 omapp->key[i].map[j] = 860 mapp->key[i].map[j]; 861 omapp->key[i].spcl = mapp->key[i].spcl; 862 omapp->key[i].flgs = mapp->key[i].flgs; 863 } 864 break; 865 case PIO_KEYMAP: /* set keyboard translation table */ 866 case OPIO_KEYMAP: /* set keyboard translation table (compat) */ 867 #ifndef KBD_DISABLE_KEYMAP_LOAD 868 mapp = malloc(sizeof *mapp, M_TEMP, M_WAITOK); 869 if (cmd == OPIO_KEYMAP) { 870 omapp = (okeymap_t *)arg; 871 mapp->n_keys = omapp->n_keys; 872 for (i = 0; i < NUM_KEYS; i++) { 873 for (j = 0; j < NUM_STATES; j++) 874 mapp->key[i].map[j] = 875 omapp->key[i].map[j]; 876 mapp->key[i].spcl = omapp->key[i].spcl; 877 mapp->key[i].flgs = omapp->key[i].flgs; 878 } 879 } else { 880 error = copyin(*(void **)arg, mapp, sizeof *mapp); 881 if (error != 0) { 882 splx(s); 883 free(mapp, M_TEMP); 884 return (error); 885 } 886 } 887 888 error = keymap_change_ok(kbd->kb_keymap, mapp, curthread); 889 if (error != 0) { 890 splx(s); 891 free(mapp, M_TEMP); 892 return (error); 893 } 894 bzero(kbd->kb_accentmap, sizeof(*kbd->kb_accentmap)); 895 bcopy(mapp, kbd->kb_keymap, sizeof(*kbd->kb_keymap)); 896 free(mapp, M_TEMP); 897 break; 898 #else 899 splx(s); 900 return (ENODEV); 901 #endif 902 903 case GIO_KEYMAPENT: /* get keyboard translation table entry */ 904 keyp = (keyarg_t *)arg; 905 if (keyp->keynum >= sizeof(kbd->kb_keymap->key) / 906 sizeof(kbd->kb_keymap->key[0])) { 907 splx(s); 908 return (EINVAL); 909 } 910 bcopy(&kbd->kb_keymap->key[keyp->keynum], &keyp->key, 911 sizeof(keyp->key)); 912 break; 913 case PIO_KEYMAPENT: /* set keyboard translation table entry */ 914 #ifndef KBD_DISABLE_KEYMAP_LOAD 915 keyp = (keyarg_t *)arg; 916 if (keyp->keynum >= sizeof(kbd->kb_keymap->key) / 917 sizeof(kbd->kb_keymap->key[0])) { 918 splx(s); 919 return (EINVAL); 920 } 921 error = key_change_ok(&kbd->kb_keymap->key[keyp->keynum], 922 &keyp->key, curthread); 923 if (error != 0) { 924 splx(s); 925 return (error); 926 } 927 bcopy(&keyp->key, &kbd->kb_keymap->key[keyp->keynum], 928 sizeof(keyp->key)); 929 break; 930 #else 931 splx(s); 932 return (ENODEV); 933 #endif 934 935 case GIO_DEADKEYMAP: /* get accent key translation table */ 936 bcopy(kbd->kb_accentmap, arg, sizeof(*kbd->kb_accentmap)); 937 break; 938 case PIO_DEADKEYMAP: /* set accent key translation table */ 939 #ifndef KBD_DISABLE_KEYMAP_LOAD 940 error = accent_change_ok(kbd->kb_accentmap, 941 (accentmap_t *)arg, curthread); 942 if (error != 0) { 943 splx(s); 944 return (error); 945 } 946 bcopy(arg, kbd->kb_accentmap, sizeof(*kbd->kb_accentmap)); 947 break; 948 #else 949 splx(s); 950 return (ENODEV); 951 #endif 952 953 case GETFKEY: /* get functionkey string */ 954 fkeyp = (fkeyarg_t *)arg; 955 if (fkeyp->keynum >= kbd->kb_fkeytab_size) { 956 splx(s); 957 return (EINVAL); 958 } 959 bcopy(kbd->kb_fkeytab[fkeyp->keynum].str, fkeyp->keydef, 960 kbd->kb_fkeytab[fkeyp->keynum].len); 961 fkeyp->flen = kbd->kb_fkeytab[fkeyp->keynum].len; 962 break; 963 case SETFKEY: /* set functionkey string */ 964 #ifndef KBD_DISABLE_KEYMAP_LOAD 965 fkeyp = (fkeyarg_t *)arg; 966 if (fkeyp->keynum >= kbd->kb_fkeytab_size) { 967 splx(s); 968 return (EINVAL); 969 } 970 error = fkey_change_ok(&kbd->kb_fkeytab[fkeyp->keynum], 971 fkeyp, curthread); 972 if (error != 0) { 973 splx(s); 974 return (error); 975 } 976 kbd->kb_fkeytab[fkeyp->keynum].len = min(fkeyp->flen, MAXFK); 977 bcopy(fkeyp->keydef, kbd->kb_fkeytab[fkeyp->keynum].str, 978 kbd->kb_fkeytab[fkeyp->keynum].len); 979 break; 980 #else 981 splx(s); 982 return (ENODEV); 983 #endif 984 985 default: 986 splx(s); 987 return (ENOIOCTL); 988 } 989 990 splx(s); 991 return (0); 992 } 993 994 #ifndef KBD_DISABLE_KEYMAP_LOAD 995 #define RESTRICTED_KEY(key, i) \ 996 ((key->spcl & (0x80 >> i)) && \ 997 (key->map[i] == RBT || key->map[i] == SUSP || \ 998 key->map[i] == STBY || key->map[i] == DBG || \ 999 key->map[i] == PNC || key->map[i] == HALT || \ 1000 key->map[i] == PDWN)) 1001 1002 static int 1003 key_change_ok(struct keyent_t *oldkey, struct keyent_t *newkey, struct thread *td) 1004 { 1005 int i; 1006 1007 /* Low keymap_restrict_change means any changes are OK. */ 1008 if (keymap_restrict_change <= 0) 1009 return (0); 1010 1011 /* High keymap_restrict_change means only root can change the keymap. */ 1012 if (keymap_restrict_change >= 2) { 1013 for (i = 0; i < NUM_STATES; i++) 1014 if (oldkey->map[i] != newkey->map[i]) 1015 return priv_check(td, PRIV_KEYBOARD); 1016 if (oldkey->spcl != newkey->spcl) 1017 return priv_check(td, PRIV_KEYBOARD); 1018 if (oldkey->flgs != newkey->flgs) 1019 return priv_check(td, PRIV_KEYBOARD); 1020 return (0); 1021 } 1022 1023 /* Otherwise we have to see if any special keys are being changed. */ 1024 for (i = 0; i < NUM_STATES; i++) { 1025 /* 1026 * If either the oldkey or the newkey action is restricted 1027 * then we must make sure that the action doesn't change. 1028 */ 1029 if (!RESTRICTED_KEY(oldkey, i) && !RESTRICTED_KEY(newkey, i)) 1030 continue; 1031 if ((oldkey->spcl & (0x80 >> i)) == (newkey->spcl & (0x80 >> i)) 1032 && oldkey->map[i] == newkey->map[i]) 1033 continue; 1034 return priv_check(td, PRIV_KEYBOARD); 1035 } 1036 1037 return (0); 1038 } 1039 1040 static int 1041 keymap_change_ok(keymap_t *oldmap, keymap_t *newmap, struct thread *td) 1042 { 1043 int keycode, error; 1044 1045 for (keycode = 0; keycode < NUM_KEYS; keycode++) { 1046 if ((error = key_change_ok(&oldmap->key[keycode], 1047 &newmap->key[keycode], td)) != 0) 1048 return (error); 1049 } 1050 return (0); 1051 } 1052 1053 static int 1054 accent_change_ok(accentmap_t *oldmap, accentmap_t *newmap, struct thread *td) 1055 { 1056 struct acc_t *oldacc, *newacc; 1057 int accent, i; 1058 1059 if (keymap_restrict_change <= 2) 1060 return (0); 1061 1062 if (oldmap->n_accs != newmap->n_accs) 1063 return priv_check(td, PRIV_KEYBOARD); 1064 1065 for (accent = 0; accent < oldmap->n_accs; accent++) { 1066 oldacc = &oldmap->acc[accent]; 1067 newacc = &newmap->acc[accent]; 1068 if (oldacc->accchar != newacc->accchar) 1069 return priv_check(td, PRIV_KEYBOARD); 1070 for (i = 0; i < NUM_ACCENTCHARS; ++i) { 1071 if (oldacc->map[i][0] != newacc->map[i][0]) 1072 return priv_check(td, PRIV_KEYBOARD); 1073 if (oldacc->map[i][0] == 0) /* end of table */ 1074 break; 1075 if (oldacc->map[i][1] != newacc->map[i][1]) 1076 return priv_check(td, PRIV_KEYBOARD); 1077 } 1078 } 1079 1080 return (0); 1081 } 1082 1083 static int 1084 fkey_change_ok(fkeytab_t *oldkey, fkeyarg_t *newkey, struct thread *td) 1085 { 1086 if (keymap_restrict_change <= 3) 1087 return (0); 1088 1089 if (oldkey->len != newkey->flen || 1090 bcmp(oldkey->str, newkey->keydef, oldkey->len) != 0) 1091 return priv_check(td, PRIV_KEYBOARD); 1092 1093 return (0); 1094 } 1095 #endif 1096 1097 /* get a pointer to the string associated with the given function key */ 1098 static u_char * 1099 genkbd_get_fkeystr(keyboard_t *kbd, int fkey, size_t *len) 1100 { 1101 if (kbd == NULL) 1102 return (NULL); 1103 fkey -= F_FN; 1104 if (fkey > kbd->kb_fkeytab_size) 1105 return (NULL); 1106 *len = kbd->kb_fkeytab[fkey].len; 1107 return (kbd->kb_fkeytab[fkey].str); 1108 } 1109 1110 /* diagnostic dump */ 1111 static char * 1112 get_kbd_type_name(int type) 1113 { 1114 static struct { 1115 int type; 1116 char *name; 1117 } name_table[] = { 1118 { KB_84, "AT 84" }, 1119 { KB_101, "AT 101/102" }, 1120 { KB_OTHER, "generic" }, 1121 }; 1122 int i; 1123 1124 for (i = 0; i < nitems(name_table); ++i) { 1125 if (type == name_table[i].type) 1126 return (name_table[i].name); 1127 } 1128 return ("unknown"); 1129 } 1130 1131 static void 1132 genkbd_diag(keyboard_t *kbd, int level) 1133 { 1134 if (level > 0) { 1135 printf("kbd%d: %s%d, %s (%d), config:0x%x, flags:0x%x", 1136 kbd->kb_index, kbd->kb_name, kbd->kb_unit, 1137 get_kbd_type_name(kbd->kb_type), kbd->kb_type, 1138 kbd->kb_config, kbd->kb_flags); 1139 if (kbd->kb_io_base > 0) 1140 printf(", port:0x%x-0x%x", kbd->kb_io_base, 1141 kbd->kb_io_base + kbd->kb_io_size - 1); 1142 printf("\n"); 1143 } 1144 } 1145 1146 #define set_lockkey_state(k, s, l) \ 1147 if (!((s) & l ## DOWN)) { \ 1148 int i; \ 1149 (s) |= l ## DOWN; \ 1150 (s) ^= l ## ED; \ 1151 i = (s) & LOCK_MASK; \ 1152 (void)kbdd_ioctl((k), KDSETLED, (caddr_t)&i); \ 1153 } 1154 1155 static u_int 1156 save_accent_key(keyboard_t *kbd, u_int key, int *accents) 1157 { 1158 int i; 1159 1160 /* make an index into the accent map */ 1161 i = key - F_ACC + 1; 1162 if ((i > kbd->kb_accentmap->n_accs) 1163 || (kbd->kb_accentmap->acc[i - 1].accchar == 0)) { 1164 /* the index is out of range or pointing to an empty entry */ 1165 *accents = 0; 1166 return (ERRKEY); 1167 } 1168 1169 /* 1170 * If the same accent key has been hit twice, produce the accent 1171 * char itself. 1172 */ 1173 if (i == *accents) { 1174 key = kbd->kb_accentmap->acc[i - 1].accchar; 1175 *accents = 0; 1176 return (key); 1177 } 1178 1179 /* remember the index and wait for the next key */ 1180 *accents = i; 1181 return (NOKEY); 1182 } 1183 1184 static u_int 1185 make_accent_char(keyboard_t *kbd, u_int ch, int *accents) 1186 { 1187 struct acc_t *acc; 1188 int i; 1189 1190 acc = &kbd->kb_accentmap->acc[*accents - 1]; 1191 *accents = 0; 1192 1193 /* 1194 * If the accent key is followed by the space key, 1195 * produce the accent char itself. 1196 */ 1197 if (ch == ' ') 1198 return (acc->accchar); 1199 1200 /* scan the accent map */ 1201 for (i = 0; i < NUM_ACCENTCHARS; ++i) { 1202 if (acc->map[i][0] == 0) /* end of table */ 1203 break; 1204 if (acc->map[i][0] == ch) 1205 return (acc->map[i][1]); 1206 } 1207 /* this char cannot be accented... */ 1208 return (ERRKEY); 1209 } 1210 1211 int 1212 genkbd_keyaction(keyboard_t *kbd, int keycode, int up, int *shiftstate, 1213 int *accents) 1214 { 1215 struct keyent_t *key; 1216 int state = *shiftstate; 1217 int action; 1218 int f; 1219 int i; 1220 1221 i = keycode; 1222 f = state & (AGRS | ALKED); 1223 if ((f == AGRS1) || (f == AGRS2) || (f == ALKED)) 1224 i += ALTGR_OFFSET; 1225 key = &kbd->kb_keymap->key[i]; 1226 i = ((state & SHIFTS) ? 1 : 0) 1227 | ((state & CTLS) ? 2 : 0) 1228 | ((state & ALTS) ? 4 : 0); 1229 if (((key->flgs & FLAG_LOCK_C) && (state & CLKED)) 1230 || ((key->flgs & FLAG_LOCK_N) && (state & NLKED)) ) 1231 i ^= 1; 1232 1233 if (up) { /* break: key released */ 1234 action = kbd->kb_lastact[keycode]; 1235 kbd->kb_lastact[keycode] = NOP; 1236 switch (action) { 1237 case LSHA: 1238 if (state & SHIFTAON) { 1239 set_lockkey_state(kbd, state, ALK); 1240 state &= ~ALKDOWN; 1241 } 1242 action = LSH; 1243 /* FALL THROUGH */ 1244 case LSH: 1245 state &= ~SHIFTS1; 1246 break; 1247 case RSHA: 1248 if (state & SHIFTAON) { 1249 set_lockkey_state(kbd, state, ALK); 1250 state &= ~ALKDOWN; 1251 } 1252 action = RSH; 1253 /* FALL THROUGH */ 1254 case RSH: 1255 state &= ~SHIFTS2; 1256 break; 1257 case LCTRA: 1258 if (state & SHIFTAON) { 1259 set_lockkey_state(kbd, state, ALK); 1260 state &= ~ALKDOWN; 1261 } 1262 action = LCTR; 1263 /* FALL THROUGH */ 1264 case LCTR: 1265 state &= ~CTLS1; 1266 break; 1267 case RCTRA: 1268 if (state & SHIFTAON) { 1269 set_lockkey_state(kbd, state, ALK); 1270 state &= ~ALKDOWN; 1271 } 1272 action = RCTR; 1273 /* FALL THROUGH */ 1274 case RCTR: 1275 state &= ~CTLS2; 1276 break; 1277 case LALTA: 1278 if (state & SHIFTAON) { 1279 set_lockkey_state(kbd, state, ALK); 1280 state &= ~ALKDOWN; 1281 } 1282 action = LALT; 1283 /* FALL THROUGH */ 1284 case LALT: 1285 state &= ~ALTS1; 1286 break; 1287 case RALTA: 1288 if (state & SHIFTAON) { 1289 set_lockkey_state(kbd, state, ALK); 1290 state &= ~ALKDOWN; 1291 } 1292 action = RALT; 1293 /* FALL THROUGH */ 1294 case RALT: 1295 state &= ~ALTS2; 1296 break; 1297 case ASH: 1298 state &= ~AGRS1; 1299 break; 1300 case META: 1301 state &= ~METAS1; 1302 break; 1303 case NLK: 1304 state &= ~NLKDOWN; 1305 break; 1306 case CLK: 1307 state &= ~CLKDOWN; 1308 break; 1309 case SLK: 1310 state &= ~SLKDOWN; 1311 break; 1312 case ALK: 1313 state &= ~ALKDOWN; 1314 break; 1315 case NOP: 1316 /* release events of regular keys are not reported */ 1317 *shiftstate &= ~SHIFTAON; 1318 return (NOKEY); 1319 } 1320 *shiftstate = state & ~SHIFTAON; 1321 return (SPCLKEY | RELKEY | action); 1322 } else { /* make: key pressed */ 1323 action = key->map[i]; 1324 state &= ~SHIFTAON; 1325 if (key->spcl & (0x80 >> i)) { 1326 /* special keys */ 1327 if (kbd->kb_lastact[keycode] == NOP) 1328 kbd->kb_lastact[keycode] = action; 1329 if (kbd->kb_lastact[keycode] != action) 1330 action = NOP; 1331 switch (action) { 1332 /* LOCKING KEYS */ 1333 case NLK: 1334 set_lockkey_state(kbd, state, NLK); 1335 break; 1336 case CLK: 1337 set_lockkey_state(kbd, state, CLK); 1338 break; 1339 case SLK: 1340 set_lockkey_state(kbd, state, SLK); 1341 break; 1342 case ALK: 1343 set_lockkey_state(kbd, state, ALK); 1344 break; 1345 /* NON-LOCKING KEYS */ 1346 case SPSC: case RBT: case SUSP: case STBY: 1347 case DBG: case NEXT: case PREV: case PNC: 1348 case HALT: case PDWN: 1349 *accents = 0; 1350 break; 1351 case BTAB: 1352 *accents = 0; 1353 action |= BKEY; 1354 break; 1355 case LSHA: 1356 state |= SHIFTAON; 1357 action = LSH; 1358 /* FALL THROUGH */ 1359 case LSH: 1360 state |= SHIFTS1; 1361 break; 1362 case RSHA: 1363 state |= SHIFTAON; 1364 action = RSH; 1365 /* FALL THROUGH */ 1366 case RSH: 1367 state |= SHIFTS2; 1368 break; 1369 case LCTRA: 1370 state |= SHIFTAON; 1371 action = LCTR; 1372 /* FALL THROUGH */ 1373 case LCTR: 1374 state |= CTLS1; 1375 break; 1376 case RCTRA: 1377 state |= SHIFTAON; 1378 action = RCTR; 1379 /* FALL THROUGH */ 1380 case RCTR: 1381 state |= CTLS2; 1382 break; 1383 case LALTA: 1384 state |= SHIFTAON; 1385 action = LALT; 1386 /* FALL THROUGH */ 1387 case LALT: 1388 state |= ALTS1; 1389 break; 1390 case RALTA: 1391 state |= SHIFTAON; 1392 action = RALT; 1393 /* FALL THROUGH */ 1394 case RALT: 1395 state |= ALTS2; 1396 break; 1397 case ASH: 1398 state |= AGRS1; 1399 break; 1400 case META: 1401 state |= METAS1; 1402 break; 1403 case NOP: 1404 *shiftstate = state; 1405 return (NOKEY); 1406 default: 1407 /* is this an accent (dead) key? */ 1408 *shiftstate = state; 1409 if (action >= F_ACC && action <= L_ACC) { 1410 action = save_accent_key(kbd, action, 1411 accents); 1412 switch (action) { 1413 case NOKEY: 1414 case ERRKEY: 1415 return (action); 1416 default: 1417 if (state & METAS) 1418 return (action | MKEY); 1419 else 1420 return (action); 1421 } 1422 /* NOT REACHED */ 1423 } 1424 /* other special keys */ 1425 if (*accents > 0) { 1426 *accents = 0; 1427 return (ERRKEY); 1428 } 1429 if (action >= F_FN && action <= L_FN) 1430 action |= FKEY; 1431 /* XXX: return fkey string for the FKEY? */ 1432 return (SPCLKEY | action); 1433 } 1434 *shiftstate = state; 1435 return (SPCLKEY | action); 1436 } else { 1437 /* regular keys */ 1438 kbd->kb_lastact[keycode] = NOP; 1439 *shiftstate = state; 1440 if (*accents > 0) { 1441 /* make an accented char */ 1442 action = make_accent_char(kbd, action, accents); 1443 if (action == ERRKEY) 1444 return (action); 1445 } 1446 if (state & METAS) 1447 action |= MKEY; 1448 return (action); 1449 } 1450 } 1451 /* NOT REACHED */ 1452 } 1453 1454 void 1455 kbd_ev_event(keyboard_t *kbd, uint16_t type, uint16_t code, int32_t value) 1456 { 1457 int delay[2], led = 0, leds, oleds; 1458 1459 if (type == EV_LED) { 1460 leds = oleds = KBD_LED_VAL(kbd); 1461 switch (code) { 1462 case LED_CAPSL: 1463 led = CLKED; 1464 break; 1465 case LED_NUML: 1466 led = NLKED; 1467 break; 1468 case LED_SCROLLL: 1469 led = SLKED; 1470 break; 1471 } 1472 1473 if (value) 1474 leds |= led; 1475 else 1476 leds &= ~led; 1477 1478 if (leds != oleds) 1479 kbdd_ioctl(kbd, KDSETLED, (caddr_t)&leds); 1480 1481 } else if (type == EV_REP && code == REP_DELAY) { 1482 delay[0] = value; 1483 delay[1] = kbd->kb_delay2; 1484 kbdd_ioctl(kbd, KDSETREPEAT, (caddr_t)delay); 1485 } else if (type == EV_REP && code == REP_PERIOD) { 1486 delay[0] = kbd->kb_delay1; 1487 delay[1] = value; 1488 kbdd_ioctl(kbd, KDSETREPEAT, (caddr_t)delay); 1489 } 1490 } 1491 1492 void 1493 kbdinit(void) 1494 { 1495 keyboard_driver_t *drv, **list; 1496 1497 SET_FOREACH(list, kbddriver_set) { 1498 drv = *list; 1499 1500 /* 1501 * The following printfs will almost universally get dropped, 1502 * with exception to kernel configs with EARLY_PRINTF and 1503 * special setups where msgbufinit() is called early with a 1504 * static buffer to capture output occurring before the dynamic 1505 * message buffer is mapped. 1506 */ 1507 if (kbd_add_driver(drv) != 0) 1508 printf("kbd: failed to register driver '%s'\n", 1509 drv->name); 1510 else if (bootverbose) 1511 printf("kbd: registered driver '%s'\n", 1512 drv->name); 1513 } 1514 1515 } 1516