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, const 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 if (SLIST_NEXT(driver, link)) 167 return (EINVAL); 168 if (driver->kbdsw->get_fkeystr == NULL) 169 driver->kbdsw->get_fkeystr = genkbd_get_fkeystr; 170 if (driver->kbdsw->diag == NULL) 171 driver->kbdsw->diag = genkbd_diag; 172 SLIST_INSERT_HEAD(&keyboard_drivers, driver, link); 173 return (0); 174 } 175 176 int 177 kbd_delete_driver(keyboard_driver_t *driver) 178 { 179 SLIST_REMOVE(&keyboard_drivers, driver, keyboard_driver, link); 180 SLIST_NEXT(driver, link) = NULL; 181 return (0); 182 } 183 184 /* register a keyboard and associate it with a function table */ 185 int 186 kbd_register(keyboard_t *kbd) 187 { 188 const keyboard_driver_t **list; 189 const keyboard_driver_t *p; 190 keyboard_t *mux; 191 keyboard_info_t ki; 192 int index; 193 194 mux = kbd_get_keyboard(kbd_find_keyboard("kbdmux", -1)); 195 196 for (index = 0; index < keyboards; ++index) { 197 if (keyboard[index] == NULL) 198 break; 199 } 200 if (index >= keyboards) { 201 if (kbd_realloc_array()) 202 return (-1); 203 } 204 205 kbd->kb_index = index; 206 KBD_UNBUSY(kbd); 207 KBD_VALID(kbd); 208 kbd->kb_active = 0; /* disabled until someone calls kbd_enable() */ 209 kbd->kb_token = NULL; 210 kbd->kb_callback.kc_func = NULL; 211 kbd->kb_callback.kc_arg = NULL; 212 213 SLIST_FOREACH(p, &keyboard_drivers, link) { 214 if (strcmp(p->name, kbd->kb_name) == 0) { 215 kbd->kb_drv = p; 216 keyboard[index] = kbd; 217 218 if (mux != NULL) { 219 bzero(&ki, sizeof(ki)); 220 strcpy(ki.kb_name, kbd->kb_name); 221 ki.kb_unit = kbd->kb_unit; 222 223 (void)kbdd_ioctl(mux, KBADDKBD, (caddr_t) &ki); 224 } 225 226 return (index); 227 } 228 } 229 SET_FOREACH(list, kbddriver_set) { 230 p = *list; 231 if (strcmp(p->name, kbd->kb_name) == 0) { 232 kbd->kb_drv = p; 233 keyboard[index] = kbd; 234 235 if (mux != NULL) { 236 bzero(&ki, sizeof(ki)); 237 strcpy(ki.kb_name, kbd->kb_name); 238 ki.kb_unit = kbd->kb_unit; 239 240 (void)kbdd_ioctl(mux, KBADDKBD, (caddr_t) &ki); 241 } 242 243 return (index); 244 } 245 } 246 247 return (-1); 248 } 249 250 int 251 kbd_unregister(keyboard_t *kbd) 252 { 253 int error; 254 int s; 255 256 if ((kbd->kb_index < 0) || (kbd->kb_index >= keyboards)) 257 return (ENOENT); 258 if (keyboard[kbd->kb_index] != kbd) 259 return (ENOENT); 260 261 s = spltty(); 262 if (KBD_IS_BUSY(kbd)) { 263 error = (*kbd->kb_callback.kc_func)(kbd, KBDIO_UNLOADING, 264 kbd->kb_callback.kc_arg); 265 if (error) { 266 splx(s); 267 return (error); 268 } 269 if (KBD_IS_BUSY(kbd)) { 270 splx(s); 271 return (EBUSY); 272 } 273 } 274 KBD_INVALID(kbd); 275 keyboard[kbd->kb_index] = NULL; 276 277 splx(s); 278 return (0); 279 } 280 281 /* find a function table by the driver name */ 282 keyboard_switch_t * 283 kbd_get_switch(char *driver) 284 { 285 const keyboard_driver_t **list; 286 const keyboard_driver_t *p; 287 288 SLIST_FOREACH(p, &keyboard_drivers, link) { 289 if (strcmp(p->name, driver) == 0) 290 return (p->kbdsw); 291 } 292 SET_FOREACH(list, kbddriver_set) { 293 p = *list; 294 if (strcmp(p->name, driver) == 0) 295 return (p->kbdsw); 296 } 297 298 return (NULL); 299 } 300 301 /* 302 * Keyboard client functions 303 * Keyboard clients, such as the console driver `syscons' and the keyboard 304 * cdev driver, use these functions to claim and release a keyboard for 305 * exclusive use. 306 */ 307 308 /* 309 * find the keyboard specified by a driver name and a unit number 310 * starting at given index 311 */ 312 int 313 kbd_find_keyboard2(char *driver, int unit, int index) 314 { 315 int i; 316 317 if ((index < 0) || (index >= keyboards)) 318 return (-1); 319 320 for (i = index; i < keyboards; ++i) { 321 if (keyboard[i] == NULL) 322 continue; 323 if (!KBD_IS_VALID(keyboard[i])) 324 continue; 325 if (strcmp("*", driver) && strcmp(keyboard[i]->kb_name, driver)) 326 continue; 327 if ((unit != -1) && (keyboard[i]->kb_unit != unit)) 328 continue; 329 return (i); 330 } 331 332 return (-1); 333 } 334 335 /* find the keyboard specified by a driver name and a unit number */ 336 int 337 kbd_find_keyboard(char *driver, int unit) 338 { 339 return (kbd_find_keyboard2(driver, unit, 0)); 340 } 341 342 /* allocate a keyboard */ 343 int 344 kbd_allocate(char *driver, int unit, void *id, kbd_callback_func_t *func, 345 void *arg) 346 { 347 int index; 348 int s; 349 350 if (func == NULL) 351 return (-1); 352 353 s = spltty(); 354 index = kbd_find_keyboard(driver, unit); 355 if (index >= 0) { 356 if (KBD_IS_BUSY(keyboard[index])) { 357 splx(s); 358 return (-1); 359 } 360 keyboard[index]->kb_token = id; 361 KBD_BUSY(keyboard[index]); 362 keyboard[index]->kb_callback.kc_func = func; 363 keyboard[index]->kb_callback.kc_arg = arg; 364 kbdd_clear_state(keyboard[index]); 365 } 366 splx(s); 367 return (index); 368 } 369 370 int 371 kbd_release(keyboard_t *kbd, void *id) 372 { 373 int error; 374 int s; 375 376 s = spltty(); 377 if (!KBD_IS_VALID(kbd) || !KBD_IS_BUSY(kbd)) { 378 error = EINVAL; 379 } else if (kbd->kb_token != id) { 380 error = EPERM; 381 } else { 382 kbd->kb_token = NULL; 383 KBD_UNBUSY(kbd); 384 kbd->kb_callback.kc_func = NULL; 385 kbd->kb_callback.kc_arg = NULL; 386 kbdd_clear_state(kbd); 387 error = 0; 388 } 389 splx(s); 390 return (error); 391 } 392 393 int 394 kbd_change_callback(keyboard_t *kbd, void *id, kbd_callback_func_t *func, 395 void *arg) 396 { 397 int error; 398 int s; 399 400 s = spltty(); 401 if (!KBD_IS_VALID(kbd) || !KBD_IS_BUSY(kbd)) { 402 error = EINVAL; 403 } else if (kbd->kb_token != id) { 404 error = EPERM; 405 } else if (func == NULL) { 406 error = EINVAL; 407 } else { 408 kbd->kb_callback.kc_func = func; 409 kbd->kb_callback.kc_arg = arg; 410 error = 0; 411 } 412 splx(s); 413 return (error); 414 } 415 416 /* get a keyboard structure */ 417 keyboard_t * 418 kbd_get_keyboard(int index) 419 { 420 if ((index < 0) || (index >= keyboards)) 421 return (NULL); 422 if (keyboard[index] == NULL) 423 return (NULL); 424 if (!KBD_IS_VALID(keyboard[index])) 425 return (NULL); 426 return (keyboard[index]); 427 } 428 429 /* 430 * The back door for the console driver; configure keyboards 431 * This function is for the kernel console to initialize keyboards 432 * at very early stage. 433 */ 434 435 int 436 kbd_configure(int flags) 437 { 438 const keyboard_driver_t **list; 439 const keyboard_driver_t *p; 440 441 SLIST_FOREACH(p, &keyboard_drivers, link) { 442 if (p->configure != NULL) 443 (*p->configure)(flags); 444 } 445 SET_FOREACH(list, kbddriver_set) { 446 p = *list; 447 if (p->configure != NULL) 448 (*p->configure)(flags); 449 } 450 451 return (0); 452 } 453 454 #ifdef KBD_INSTALL_CDEV 455 456 /* 457 * Virtual keyboard cdev driver functions 458 * The virtual keyboard driver dispatches driver functions to 459 * appropriate subdrivers. 460 */ 461 462 #define KBD_UNIT(dev) dev2unit(dev) 463 464 static d_open_t genkbdopen; 465 static d_close_t genkbdclose; 466 static d_read_t genkbdread; 467 static d_write_t genkbdwrite; 468 static d_ioctl_t genkbdioctl; 469 static d_poll_t genkbdpoll; 470 471 472 static struct cdevsw kbd_cdevsw = { 473 .d_version = D_VERSION, 474 .d_flags = D_NEEDGIANT, 475 .d_open = genkbdopen, 476 .d_close = genkbdclose, 477 .d_read = genkbdread, 478 .d_write = genkbdwrite, 479 .d_ioctl = genkbdioctl, 480 .d_poll = genkbdpoll, 481 .d_name = "kbd", 482 }; 483 484 int 485 kbd_attach(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 kbd->kb_dev = make_dev(&kbd_cdevsw, kbd->kb_index, UID_ROOT, GID_WHEEL, 494 0600, "%s%r", kbd->kb_name, kbd->kb_unit); 495 make_dev_alias(kbd->kb_dev, "kbd%r", kbd->kb_index); 496 kbd->kb_dev->si_drv1 = malloc(sizeof(genkbd_softc_t), M_DEVBUF, 497 M_WAITOK | M_ZERO); 498 printf("kbd%d at %s%d\n", kbd->kb_index, kbd->kb_name, kbd->kb_unit); 499 return (0); 500 } 501 502 int 503 kbd_detach(keyboard_t *kbd) 504 { 505 506 if (kbd->kb_index >= keyboards) 507 return (EINVAL); 508 if (keyboard[kbd->kb_index] != kbd) 509 return (EINVAL); 510 511 free(kbd->kb_dev->si_drv1, M_DEVBUF); 512 destroy_dev(kbd->kb_dev); 513 514 return (0); 515 } 516 517 /* 518 * Generic keyboard cdev driver functions 519 * Keyboard subdrivers may call these functions to implement common 520 * driver functions. 521 */ 522 523 static void 524 genkbd_putc(genkbd_softc_t *sc, char c) 525 { 526 unsigned int p; 527 528 if (sc->gkb_q_length == KB_QSIZE) 529 return; 530 531 p = (sc->gkb_q_start + sc->gkb_q_length) % KB_QSIZE; 532 sc->gkb_q[p] = c; 533 sc->gkb_q_length++; 534 } 535 536 static size_t 537 genkbd_getc(genkbd_softc_t *sc, char *buf, size_t len) 538 { 539 540 /* Determine copy size. */ 541 if (sc->gkb_q_length == 0) 542 return (0); 543 if (len >= sc->gkb_q_length) 544 len = sc->gkb_q_length; 545 if (len >= KB_QSIZE - sc->gkb_q_start) 546 len = KB_QSIZE - sc->gkb_q_start; 547 548 /* Copy out data and progress offset. */ 549 memcpy(buf, sc->gkb_q + sc->gkb_q_start, len); 550 sc->gkb_q_start = (sc->gkb_q_start + len) % KB_QSIZE; 551 sc->gkb_q_length -= len; 552 553 return (len); 554 } 555 556 static kbd_callback_func_t genkbd_event; 557 558 static int 559 genkbdopen(struct cdev *dev, int mode, int flag, struct thread *td) 560 { 561 keyboard_t *kbd; 562 genkbd_softc_t *sc; 563 int s; 564 int i; 565 566 s = spltty(); 567 sc = dev->si_drv1; 568 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 569 if ((sc == NULL) || (kbd == NULL) || !KBD_IS_VALID(kbd)) { 570 splx(s); 571 return (ENXIO); 572 } 573 i = kbd_allocate(kbd->kb_name, kbd->kb_unit, sc, 574 genkbd_event, (void *)sc); 575 if (i < 0) { 576 splx(s); 577 return (EBUSY); 578 } 579 /* assert(i == kbd->kb_index) */ 580 /* assert(kbd == kbd_get_keyboard(i)) */ 581 582 /* 583 * NOTE: even when we have successfully claimed a keyboard, 584 * the device may still be missing (!KBD_HAS_DEVICE(kbd)). 585 */ 586 587 sc->gkb_q_length = 0; 588 splx(s); 589 590 return (0); 591 } 592 593 static int 594 genkbdclose(struct cdev *dev, int mode, int flag, struct thread *td) 595 { 596 keyboard_t *kbd; 597 genkbd_softc_t *sc; 598 int s; 599 600 /* 601 * NOTE: the device may have already become invalid. 602 * kbd == NULL || !KBD_IS_VALID(kbd) 603 */ 604 s = spltty(); 605 sc = dev->si_drv1; 606 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 607 if ((sc == NULL) || (kbd == NULL) || !KBD_IS_VALID(kbd)) { 608 /* XXX: we shall be forgiving and don't report error... */ 609 } else { 610 kbd_release(kbd, (void *)sc); 611 } 612 splx(s); 613 return (0); 614 } 615 616 static int 617 genkbdread(struct cdev *dev, struct uio *uio, int flag) 618 { 619 keyboard_t *kbd; 620 genkbd_softc_t *sc; 621 u_char buffer[KB_BUFSIZE]; 622 int len; 623 int error; 624 int s; 625 626 /* wait for input */ 627 s = spltty(); 628 sc = dev->si_drv1; 629 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 630 if ((sc == NULL) || (kbd == NULL) || !KBD_IS_VALID(kbd)) { 631 splx(s); 632 return (ENXIO); 633 } 634 while (sc->gkb_q_length == 0) { 635 if (flag & O_NONBLOCK) { 636 splx(s); 637 return (EWOULDBLOCK); 638 } 639 sc->gkb_flags |= KB_ASLEEP; 640 error = tsleep(sc, PZERO | PCATCH, "kbdrea", 0); 641 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 642 if ((kbd == NULL) || !KBD_IS_VALID(kbd)) { 643 splx(s); 644 return (ENXIO); /* our keyboard has gone... */ 645 } 646 if (error) { 647 sc->gkb_flags &= ~KB_ASLEEP; 648 splx(s); 649 return (error); 650 } 651 } 652 splx(s); 653 654 /* copy as much input as possible */ 655 error = 0; 656 while (uio->uio_resid > 0) { 657 len = imin(uio->uio_resid, sizeof(buffer)); 658 len = genkbd_getc(sc, buffer, len); 659 if (len <= 0) 660 break; 661 error = uiomove(buffer, len, uio); 662 if (error) 663 break; 664 } 665 666 return (error); 667 } 668 669 static int 670 genkbdwrite(struct cdev *dev, struct uio *uio, int flag) 671 { 672 keyboard_t *kbd; 673 674 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 675 if ((kbd == NULL) || !KBD_IS_VALID(kbd)) 676 return (ENXIO); 677 return (ENODEV); 678 } 679 680 static int 681 genkbdioctl(struct cdev *dev, u_long cmd, caddr_t arg, int flag, struct thread *td) 682 { 683 keyboard_t *kbd; 684 int error; 685 686 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 687 if ((kbd == NULL) || !KBD_IS_VALID(kbd)) 688 return (ENXIO); 689 error = kbdd_ioctl(kbd, cmd, arg); 690 if (error == ENOIOCTL) 691 error = ENODEV; 692 return (error); 693 } 694 695 static int 696 genkbdpoll(struct cdev *dev, int events, struct thread *td) 697 { 698 keyboard_t *kbd; 699 genkbd_softc_t *sc; 700 int revents; 701 int s; 702 703 revents = 0; 704 s = spltty(); 705 sc = dev->si_drv1; 706 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 707 if ((sc == NULL) || (kbd == NULL) || !KBD_IS_VALID(kbd)) { 708 revents = POLLHUP; /* the keyboard has gone */ 709 } else if (events & (POLLIN | POLLRDNORM)) { 710 if (sc->gkb_q_length > 0) 711 revents = events & (POLLIN | POLLRDNORM); 712 else 713 selrecord(td, &sc->gkb_rsel); 714 } 715 splx(s); 716 return (revents); 717 } 718 719 static int 720 genkbd_event(keyboard_t *kbd, int event, void *arg) 721 { 722 genkbd_softc_t *sc; 723 size_t len; 724 u_char *cp; 725 int mode; 726 u_int c; 727 728 /* assert(KBD_IS_VALID(kbd)) */ 729 sc = (genkbd_softc_t *)arg; 730 731 switch (event) { 732 case KBDIO_KEYINPUT: 733 break; 734 case KBDIO_UNLOADING: 735 /* the keyboard is going... */ 736 kbd_release(kbd, (void *)sc); 737 if (sc->gkb_flags & KB_ASLEEP) { 738 sc->gkb_flags &= ~KB_ASLEEP; 739 wakeup(sc); 740 } 741 selwakeuppri(&sc->gkb_rsel, PZERO); 742 return (0); 743 default: 744 return (EINVAL); 745 } 746 747 /* obtain the current key input mode */ 748 if (kbdd_ioctl(kbd, KDGKBMODE, (caddr_t)&mode)) 749 mode = K_XLATE; 750 751 /* read all pending input */ 752 while (kbdd_check_char(kbd)) { 753 c = kbdd_read_char(kbd, FALSE); 754 if (c == NOKEY) 755 continue; 756 if (c == ERRKEY) /* XXX: ring bell? */ 757 continue; 758 if (!KBD_IS_BUSY(kbd)) 759 /* the device is not open, discard the input */ 760 continue; 761 762 /* store the byte as is for K_RAW and K_CODE modes */ 763 if (mode != K_XLATE) { 764 genkbd_putc(sc, KEYCHAR(c)); 765 continue; 766 } 767 768 /* K_XLATE */ 769 if (c & RELKEY) /* key release is ignored */ 770 continue; 771 772 /* process special keys; most of them are just ignored... */ 773 if (c & SPCLKEY) { 774 switch (KEYCHAR(c)) { 775 default: 776 /* ignore them... */ 777 continue; 778 case BTAB: /* a backtab: ESC [ Z */ 779 genkbd_putc(sc, 0x1b); 780 genkbd_putc(sc, '['); 781 genkbd_putc(sc, 'Z'); 782 continue; 783 } 784 } 785 786 /* normal chars, normal chars with the META, function keys */ 787 switch (KEYFLAGS(c)) { 788 case 0: /* a normal char */ 789 genkbd_putc(sc, KEYCHAR(c)); 790 break; 791 case MKEY: /* the META flag: prepend ESC */ 792 genkbd_putc(sc, 0x1b); 793 genkbd_putc(sc, KEYCHAR(c)); 794 break; 795 case FKEY | SPCLKEY: /* a function key, return string */ 796 cp = kbdd_get_fkeystr(kbd, KEYCHAR(c), &len); 797 if (cp != NULL) { 798 while (len-- > 0) 799 genkbd_putc(sc, *cp++); 800 } 801 break; 802 } 803 } 804 805 /* wake up sleeping/polling processes */ 806 if (sc->gkb_q_length > 0) { 807 if (sc->gkb_flags & KB_ASLEEP) { 808 sc->gkb_flags &= ~KB_ASLEEP; 809 wakeup(sc); 810 } 811 selwakeuppri(&sc->gkb_rsel, PZERO); 812 } 813 814 return (0); 815 } 816 817 #endif /* KBD_INSTALL_CDEV */ 818 819 /* 820 * Generic low-level keyboard functions 821 * The low-level functions in the keyboard subdriver may use these 822 * functions. 823 */ 824 825 #ifndef KBD_DISABLE_KEYMAP_LOAD 826 static int key_change_ok(struct keyent_t *, struct keyent_t *, struct thread *); 827 static int keymap_change_ok(keymap_t *, keymap_t *, struct thread *); 828 static int accent_change_ok(accentmap_t *, accentmap_t *, struct thread *); 829 static int fkey_change_ok(fkeytab_t *, fkeyarg_t *, struct thread *); 830 #endif 831 832 int 833 genkbd_commonioctl(keyboard_t *kbd, u_long cmd, caddr_t arg) 834 { 835 keymap_t *mapp; 836 okeymap_t *omapp; 837 keyarg_t *keyp; 838 fkeyarg_t *fkeyp; 839 int s; 840 int i, j; 841 int error; 842 843 s = spltty(); 844 switch (cmd) { 845 846 case KDGKBINFO: /* get keyboard information */ 847 ((keyboard_info_t *)arg)->kb_index = kbd->kb_index; 848 i = imin(strlen(kbd->kb_name) + 1, 849 sizeof(((keyboard_info_t *)arg)->kb_name)); 850 bcopy(kbd->kb_name, ((keyboard_info_t *)arg)->kb_name, i); 851 ((keyboard_info_t *)arg)->kb_unit = kbd->kb_unit; 852 ((keyboard_info_t *)arg)->kb_type = kbd->kb_type; 853 ((keyboard_info_t *)arg)->kb_config = kbd->kb_config; 854 ((keyboard_info_t *)arg)->kb_flags = kbd->kb_flags; 855 break; 856 857 case KDGKBTYPE: /* get keyboard type */ 858 *(int *)arg = kbd->kb_type; 859 break; 860 861 case KDGETREPEAT: /* get keyboard repeat rate */ 862 ((int *)arg)[0] = kbd->kb_delay1; 863 ((int *)arg)[1] = kbd->kb_delay2; 864 break; 865 866 case GIO_KEYMAP: /* get keyboard translation table */ 867 error = copyout(kbd->kb_keymap, *(void **)arg, 868 sizeof(keymap_t)); 869 splx(s); 870 return (error); 871 case OGIO_KEYMAP: /* get keyboard translation table (compat) */ 872 mapp = kbd->kb_keymap; 873 omapp = (okeymap_t *)arg; 874 omapp->n_keys = mapp->n_keys; 875 for (i = 0; i < NUM_KEYS; i++) { 876 for (j = 0; j < NUM_STATES; j++) 877 omapp->key[i].map[j] = 878 mapp->key[i].map[j]; 879 omapp->key[i].spcl = mapp->key[i].spcl; 880 omapp->key[i].flgs = mapp->key[i].flgs; 881 } 882 break; 883 case PIO_KEYMAP: /* set keyboard translation table */ 884 case OPIO_KEYMAP: /* set keyboard translation table (compat) */ 885 #ifndef KBD_DISABLE_KEYMAP_LOAD 886 mapp = malloc(sizeof *mapp, M_TEMP, M_WAITOK); 887 if (cmd == OPIO_KEYMAP) { 888 omapp = (okeymap_t *)arg; 889 mapp->n_keys = omapp->n_keys; 890 for (i = 0; i < NUM_KEYS; i++) { 891 for (j = 0; j < NUM_STATES; j++) 892 mapp->key[i].map[j] = 893 omapp->key[i].map[j]; 894 mapp->key[i].spcl = omapp->key[i].spcl; 895 mapp->key[i].flgs = omapp->key[i].flgs; 896 } 897 } else { 898 error = copyin(*(void **)arg, mapp, sizeof *mapp); 899 if (error != 0) { 900 splx(s); 901 free(mapp, M_TEMP); 902 return (error); 903 } 904 } 905 906 error = keymap_change_ok(kbd->kb_keymap, mapp, curthread); 907 if (error != 0) { 908 splx(s); 909 free(mapp, M_TEMP); 910 return (error); 911 } 912 bzero(kbd->kb_accentmap, sizeof(*kbd->kb_accentmap)); 913 bcopy(mapp, kbd->kb_keymap, sizeof(*kbd->kb_keymap)); 914 free(mapp, M_TEMP); 915 break; 916 #else 917 splx(s); 918 return (ENODEV); 919 #endif 920 921 case GIO_KEYMAPENT: /* get keyboard translation table entry */ 922 keyp = (keyarg_t *)arg; 923 if (keyp->keynum >= sizeof(kbd->kb_keymap->key) / 924 sizeof(kbd->kb_keymap->key[0])) { 925 splx(s); 926 return (EINVAL); 927 } 928 bcopy(&kbd->kb_keymap->key[keyp->keynum], &keyp->key, 929 sizeof(keyp->key)); 930 break; 931 case PIO_KEYMAPENT: /* set keyboard translation table entry */ 932 #ifndef KBD_DISABLE_KEYMAP_LOAD 933 keyp = (keyarg_t *)arg; 934 if (keyp->keynum >= sizeof(kbd->kb_keymap->key) / 935 sizeof(kbd->kb_keymap->key[0])) { 936 splx(s); 937 return (EINVAL); 938 } 939 error = key_change_ok(&kbd->kb_keymap->key[keyp->keynum], 940 &keyp->key, curthread); 941 if (error != 0) { 942 splx(s); 943 return (error); 944 } 945 bcopy(&keyp->key, &kbd->kb_keymap->key[keyp->keynum], 946 sizeof(keyp->key)); 947 break; 948 #else 949 splx(s); 950 return (ENODEV); 951 #endif 952 953 case GIO_DEADKEYMAP: /* get accent key translation table */ 954 bcopy(kbd->kb_accentmap, arg, sizeof(*kbd->kb_accentmap)); 955 break; 956 case PIO_DEADKEYMAP: /* set accent key translation table */ 957 #ifndef KBD_DISABLE_KEYMAP_LOAD 958 error = accent_change_ok(kbd->kb_accentmap, 959 (accentmap_t *)arg, curthread); 960 if (error != 0) { 961 splx(s); 962 return (error); 963 } 964 bcopy(arg, kbd->kb_accentmap, sizeof(*kbd->kb_accentmap)); 965 break; 966 #else 967 splx(s); 968 return (ENODEV); 969 #endif 970 971 case GETFKEY: /* get functionkey string */ 972 fkeyp = (fkeyarg_t *)arg; 973 if (fkeyp->keynum >= kbd->kb_fkeytab_size) { 974 splx(s); 975 return (EINVAL); 976 } 977 bcopy(kbd->kb_fkeytab[fkeyp->keynum].str, fkeyp->keydef, 978 kbd->kb_fkeytab[fkeyp->keynum].len); 979 fkeyp->flen = kbd->kb_fkeytab[fkeyp->keynum].len; 980 break; 981 case SETFKEY: /* set functionkey string */ 982 #ifndef KBD_DISABLE_KEYMAP_LOAD 983 fkeyp = (fkeyarg_t *)arg; 984 if (fkeyp->keynum >= kbd->kb_fkeytab_size) { 985 splx(s); 986 return (EINVAL); 987 } 988 error = fkey_change_ok(&kbd->kb_fkeytab[fkeyp->keynum], 989 fkeyp, curthread); 990 if (error != 0) { 991 splx(s); 992 return (error); 993 } 994 kbd->kb_fkeytab[fkeyp->keynum].len = min(fkeyp->flen, MAXFK); 995 bcopy(fkeyp->keydef, kbd->kb_fkeytab[fkeyp->keynum].str, 996 kbd->kb_fkeytab[fkeyp->keynum].len); 997 break; 998 #else 999 splx(s); 1000 return (ENODEV); 1001 #endif 1002 1003 default: 1004 splx(s); 1005 return (ENOIOCTL); 1006 } 1007 1008 splx(s); 1009 return (0); 1010 } 1011 1012 #ifndef KBD_DISABLE_KEYMAP_LOAD 1013 #define RESTRICTED_KEY(key, i) \ 1014 ((key->spcl & (0x80 >> i)) && \ 1015 (key->map[i] == RBT || key->map[i] == SUSP || \ 1016 key->map[i] == STBY || key->map[i] == DBG || \ 1017 key->map[i] == PNC || key->map[i] == HALT || \ 1018 key->map[i] == PDWN)) 1019 1020 static int 1021 key_change_ok(struct keyent_t *oldkey, struct keyent_t *newkey, struct thread *td) 1022 { 1023 int i; 1024 1025 /* Low keymap_restrict_change means any changes are OK. */ 1026 if (keymap_restrict_change <= 0) 1027 return (0); 1028 1029 /* High keymap_restrict_change means only root can change the keymap. */ 1030 if (keymap_restrict_change >= 2) { 1031 for (i = 0; i < NUM_STATES; i++) 1032 if (oldkey->map[i] != newkey->map[i]) 1033 return priv_check(td, PRIV_KEYBOARD); 1034 if (oldkey->spcl != newkey->spcl) 1035 return priv_check(td, PRIV_KEYBOARD); 1036 if (oldkey->flgs != newkey->flgs) 1037 return priv_check(td, PRIV_KEYBOARD); 1038 return (0); 1039 } 1040 1041 /* Otherwise we have to see if any special keys are being changed. */ 1042 for (i = 0; i < NUM_STATES; i++) { 1043 /* 1044 * If either the oldkey or the newkey action is restricted 1045 * then we must make sure that the action doesn't change. 1046 */ 1047 if (!RESTRICTED_KEY(oldkey, i) && !RESTRICTED_KEY(newkey, i)) 1048 continue; 1049 if ((oldkey->spcl & (0x80 >> i)) == (newkey->spcl & (0x80 >> i)) 1050 && oldkey->map[i] == newkey->map[i]) 1051 continue; 1052 return priv_check(td, PRIV_KEYBOARD); 1053 } 1054 1055 return (0); 1056 } 1057 1058 static int 1059 keymap_change_ok(keymap_t *oldmap, keymap_t *newmap, struct thread *td) 1060 { 1061 int keycode, error; 1062 1063 for (keycode = 0; keycode < NUM_KEYS; keycode++) { 1064 if ((error = key_change_ok(&oldmap->key[keycode], 1065 &newmap->key[keycode], td)) != 0) 1066 return (error); 1067 } 1068 return (0); 1069 } 1070 1071 static int 1072 accent_change_ok(accentmap_t *oldmap, accentmap_t *newmap, struct thread *td) 1073 { 1074 struct acc_t *oldacc, *newacc; 1075 int accent, i; 1076 1077 if (keymap_restrict_change <= 2) 1078 return (0); 1079 1080 if (oldmap->n_accs != newmap->n_accs) 1081 return priv_check(td, PRIV_KEYBOARD); 1082 1083 for (accent = 0; accent < oldmap->n_accs; accent++) { 1084 oldacc = &oldmap->acc[accent]; 1085 newacc = &newmap->acc[accent]; 1086 if (oldacc->accchar != newacc->accchar) 1087 return priv_check(td, PRIV_KEYBOARD); 1088 for (i = 0; i < NUM_ACCENTCHARS; ++i) { 1089 if (oldacc->map[i][0] != newacc->map[i][0]) 1090 return priv_check(td, PRIV_KEYBOARD); 1091 if (oldacc->map[i][0] == 0) /* end of table */ 1092 break; 1093 if (oldacc->map[i][1] != newacc->map[i][1]) 1094 return priv_check(td, PRIV_KEYBOARD); 1095 } 1096 } 1097 1098 return (0); 1099 } 1100 1101 static int 1102 fkey_change_ok(fkeytab_t *oldkey, fkeyarg_t *newkey, struct thread *td) 1103 { 1104 if (keymap_restrict_change <= 3) 1105 return (0); 1106 1107 if (oldkey->len != newkey->flen || 1108 bcmp(oldkey->str, newkey->keydef, oldkey->len) != 0) 1109 return priv_check(td, PRIV_KEYBOARD); 1110 1111 return (0); 1112 } 1113 #endif 1114 1115 /* get a pointer to the string associated with the given function key */ 1116 static u_char * 1117 genkbd_get_fkeystr(keyboard_t *kbd, int fkey, size_t *len) 1118 { 1119 if (kbd == NULL) 1120 return (NULL); 1121 fkey -= F_FN; 1122 if (fkey > kbd->kb_fkeytab_size) 1123 return (NULL); 1124 *len = kbd->kb_fkeytab[fkey].len; 1125 return (kbd->kb_fkeytab[fkey].str); 1126 } 1127 1128 /* diagnostic dump */ 1129 static char * 1130 get_kbd_type_name(int type) 1131 { 1132 static struct { 1133 int type; 1134 char *name; 1135 } name_table[] = { 1136 { KB_84, "AT 84" }, 1137 { KB_101, "AT 101/102" }, 1138 { KB_OTHER, "generic" }, 1139 }; 1140 int i; 1141 1142 for (i = 0; i < nitems(name_table); ++i) { 1143 if (type == name_table[i].type) 1144 return (name_table[i].name); 1145 } 1146 return ("unknown"); 1147 } 1148 1149 static void 1150 genkbd_diag(keyboard_t *kbd, int level) 1151 { 1152 if (level > 0) { 1153 printf("kbd%d: %s%d, %s (%d), config:0x%x, flags:0x%x", 1154 kbd->kb_index, kbd->kb_name, kbd->kb_unit, 1155 get_kbd_type_name(kbd->kb_type), kbd->kb_type, 1156 kbd->kb_config, kbd->kb_flags); 1157 if (kbd->kb_io_base > 0) 1158 printf(", port:0x%x-0x%x", kbd->kb_io_base, 1159 kbd->kb_io_base + kbd->kb_io_size - 1); 1160 printf("\n"); 1161 } 1162 } 1163 1164 #define set_lockkey_state(k, s, l) \ 1165 if (!((s) & l ## DOWN)) { \ 1166 int i; \ 1167 (s) |= l ## DOWN; \ 1168 (s) ^= l ## ED; \ 1169 i = (s) & LOCK_MASK; \ 1170 (void)kbdd_ioctl((k), KDSETLED, (caddr_t)&i); \ 1171 } 1172 1173 static u_int 1174 save_accent_key(keyboard_t *kbd, u_int key, int *accents) 1175 { 1176 int i; 1177 1178 /* make an index into the accent map */ 1179 i = key - F_ACC + 1; 1180 if ((i > kbd->kb_accentmap->n_accs) 1181 || (kbd->kb_accentmap->acc[i - 1].accchar == 0)) { 1182 /* the index is out of range or pointing to an empty entry */ 1183 *accents = 0; 1184 return (ERRKEY); 1185 } 1186 1187 /* 1188 * If the same accent key has been hit twice, produce the accent 1189 * char itself. 1190 */ 1191 if (i == *accents) { 1192 key = kbd->kb_accentmap->acc[i - 1].accchar; 1193 *accents = 0; 1194 return (key); 1195 } 1196 1197 /* remember the index and wait for the next key */ 1198 *accents = i; 1199 return (NOKEY); 1200 } 1201 1202 static u_int 1203 make_accent_char(keyboard_t *kbd, u_int ch, int *accents) 1204 { 1205 struct acc_t *acc; 1206 int i; 1207 1208 acc = &kbd->kb_accentmap->acc[*accents - 1]; 1209 *accents = 0; 1210 1211 /* 1212 * If the accent key is followed by the space key, 1213 * produce the accent char itself. 1214 */ 1215 if (ch == ' ') 1216 return (acc->accchar); 1217 1218 /* scan the accent map */ 1219 for (i = 0; i < NUM_ACCENTCHARS; ++i) { 1220 if (acc->map[i][0] == 0) /* end of table */ 1221 break; 1222 if (acc->map[i][0] == ch) 1223 return (acc->map[i][1]); 1224 } 1225 /* this char cannot be accented... */ 1226 return (ERRKEY); 1227 } 1228 1229 int 1230 genkbd_keyaction(keyboard_t *kbd, int keycode, int up, int *shiftstate, 1231 int *accents) 1232 { 1233 struct keyent_t *key; 1234 int state = *shiftstate; 1235 int action; 1236 int f; 1237 int i; 1238 1239 i = keycode; 1240 f = state & (AGRS | ALKED); 1241 if ((f == AGRS1) || (f == AGRS2) || (f == ALKED)) 1242 i += ALTGR_OFFSET; 1243 key = &kbd->kb_keymap->key[i]; 1244 i = ((state & SHIFTS) ? 1 : 0) 1245 | ((state & CTLS) ? 2 : 0) 1246 | ((state & ALTS) ? 4 : 0); 1247 if (((key->flgs & FLAG_LOCK_C) && (state & CLKED)) 1248 || ((key->flgs & FLAG_LOCK_N) && (state & NLKED)) ) 1249 i ^= 1; 1250 1251 if (up) { /* break: key released */ 1252 action = kbd->kb_lastact[keycode]; 1253 kbd->kb_lastact[keycode] = NOP; 1254 switch (action) { 1255 case LSHA: 1256 if (state & SHIFTAON) { 1257 set_lockkey_state(kbd, state, ALK); 1258 state &= ~ALKDOWN; 1259 } 1260 action = LSH; 1261 /* FALL THROUGH */ 1262 case LSH: 1263 state &= ~SHIFTS1; 1264 break; 1265 case RSHA: 1266 if (state & SHIFTAON) { 1267 set_lockkey_state(kbd, state, ALK); 1268 state &= ~ALKDOWN; 1269 } 1270 action = RSH; 1271 /* FALL THROUGH */ 1272 case RSH: 1273 state &= ~SHIFTS2; 1274 break; 1275 case LCTRA: 1276 if (state & SHIFTAON) { 1277 set_lockkey_state(kbd, state, ALK); 1278 state &= ~ALKDOWN; 1279 } 1280 action = LCTR; 1281 /* FALL THROUGH */ 1282 case LCTR: 1283 state &= ~CTLS1; 1284 break; 1285 case RCTRA: 1286 if (state & SHIFTAON) { 1287 set_lockkey_state(kbd, state, ALK); 1288 state &= ~ALKDOWN; 1289 } 1290 action = RCTR; 1291 /* FALL THROUGH */ 1292 case RCTR: 1293 state &= ~CTLS2; 1294 break; 1295 case LALTA: 1296 if (state & SHIFTAON) { 1297 set_lockkey_state(kbd, state, ALK); 1298 state &= ~ALKDOWN; 1299 } 1300 action = LALT; 1301 /* FALL THROUGH */ 1302 case LALT: 1303 state &= ~ALTS1; 1304 break; 1305 case RALTA: 1306 if (state & SHIFTAON) { 1307 set_lockkey_state(kbd, state, ALK); 1308 state &= ~ALKDOWN; 1309 } 1310 action = RALT; 1311 /* FALL THROUGH */ 1312 case RALT: 1313 state &= ~ALTS2; 1314 break; 1315 case ASH: 1316 state &= ~AGRS1; 1317 break; 1318 case META: 1319 state &= ~METAS1; 1320 break; 1321 case NLK: 1322 state &= ~NLKDOWN; 1323 break; 1324 case CLK: 1325 state &= ~CLKDOWN; 1326 break; 1327 case SLK: 1328 state &= ~SLKDOWN; 1329 break; 1330 case ALK: 1331 state &= ~ALKDOWN; 1332 break; 1333 case NOP: 1334 /* release events of regular keys are not reported */ 1335 *shiftstate &= ~SHIFTAON; 1336 return (NOKEY); 1337 } 1338 *shiftstate = state & ~SHIFTAON; 1339 return (SPCLKEY | RELKEY | action); 1340 } else { /* make: key pressed */ 1341 action = key->map[i]; 1342 state &= ~SHIFTAON; 1343 if (key->spcl & (0x80 >> i)) { 1344 /* special keys */ 1345 if (kbd->kb_lastact[keycode] == NOP) 1346 kbd->kb_lastact[keycode] = action; 1347 if (kbd->kb_lastact[keycode] != action) 1348 action = NOP; 1349 switch (action) { 1350 /* LOCKING KEYS */ 1351 case NLK: 1352 set_lockkey_state(kbd, state, NLK); 1353 break; 1354 case CLK: 1355 set_lockkey_state(kbd, state, CLK); 1356 break; 1357 case SLK: 1358 set_lockkey_state(kbd, state, SLK); 1359 break; 1360 case ALK: 1361 set_lockkey_state(kbd, state, ALK); 1362 break; 1363 /* NON-LOCKING KEYS */ 1364 case SPSC: case RBT: case SUSP: case STBY: 1365 case DBG: case NEXT: case PREV: case PNC: 1366 case HALT: case PDWN: 1367 *accents = 0; 1368 break; 1369 case BTAB: 1370 *accents = 0; 1371 action |= BKEY; 1372 break; 1373 case LSHA: 1374 state |= SHIFTAON; 1375 action = LSH; 1376 /* FALL THROUGH */ 1377 case LSH: 1378 state |= SHIFTS1; 1379 break; 1380 case RSHA: 1381 state |= SHIFTAON; 1382 action = RSH; 1383 /* FALL THROUGH */ 1384 case RSH: 1385 state |= SHIFTS2; 1386 break; 1387 case LCTRA: 1388 state |= SHIFTAON; 1389 action = LCTR; 1390 /* FALL THROUGH */ 1391 case LCTR: 1392 state |= CTLS1; 1393 break; 1394 case RCTRA: 1395 state |= SHIFTAON; 1396 action = RCTR; 1397 /* FALL THROUGH */ 1398 case RCTR: 1399 state |= CTLS2; 1400 break; 1401 case LALTA: 1402 state |= SHIFTAON; 1403 action = LALT; 1404 /* FALL THROUGH */ 1405 case LALT: 1406 state |= ALTS1; 1407 break; 1408 case RALTA: 1409 state |= SHIFTAON; 1410 action = RALT; 1411 /* FALL THROUGH */ 1412 case RALT: 1413 state |= ALTS2; 1414 break; 1415 case ASH: 1416 state |= AGRS1; 1417 break; 1418 case META: 1419 state |= METAS1; 1420 break; 1421 case NOP: 1422 *shiftstate = state; 1423 return (NOKEY); 1424 default: 1425 /* is this an accent (dead) key? */ 1426 *shiftstate = state; 1427 if (action >= F_ACC && action <= L_ACC) { 1428 action = save_accent_key(kbd, action, 1429 accents); 1430 switch (action) { 1431 case NOKEY: 1432 case ERRKEY: 1433 return (action); 1434 default: 1435 if (state & METAS) 1436 return (action | MKEY); 1437 else 1438 return (action); 1439 } 1440 /* NOT REACHED */ 1441 } 1442 /* other special keys */ 1443 if (*accents > 0) { 1444 *accents = 0; 1445 return (ERRKEY); 1446 } 1447 if (action >= F_FN && action <= L_FN) 1448 action |= FKEY; 1449 /* XXX: return fkey string for the FKEY? */ 1450 return (SPCLKEY | action); 1451 } 1452 *shiftstate = state; 1453 return (SPCLKEY | action); 1454 } else { 1455 /* regular keys */ 1456 kbd->kb_lastact[keycode] = NOP; 1457 *shiftstate = state; 1458 if (*accents > 0) { 1459 /* make an accented char */ 1460 action = make_accent_char(kbd, action, accents); 1461 if (action == ERRKEY) 1462 return (action); 1463 } 1464 if (state & METAS) 1465 action |= MKEY; 1466 return (action); 1467 } 1468 } 1469 /* NOT REACHED */ 1470 } 1471 1472 void 1473 kbd_ev_event(keyboard_t *kbd, uint16_t type, uint16_t code, int32_t value) 1474 { 1475 int delay[2], led = 0, leds, oleds; 1476 1477 if (type == EV_LED) { 1478 leds = oleds = KBD_LED_VAL(kbd); 1479 switch (code) { 1480 case LED_CAPSL: 1481 led = CLKED; 1482 break; 1483 case LED_NUML: 1484 led = NLKED; 1485 break; 1486 case LED_SCROLLL: 1487 led = SLKED; 1488 break; 1489 } 1490 1491 if (value) 1492 leds |= led; 1493 else 1494 leds &= ~led; 1495 1496 if (leds != oleds) 1497 kbdd_ioctl(kbd, KDSETLED, (caddr_t)&leds); 1498 1499 } else if (type == EV_REP && code == REP_DELAY) { 1500 delay[0] = value; 1501 delay[1] = kbd->kb_delay2; 1502 kbdd_ioctl(kbd, KDSETREPEAT, (caddr_t)delay); 1503 } else if (type == EV_REP && code == REP_PERIOD) { 1504 delay[0] = kbd->kb_delay1; 1505 delay[1] = value; 1506 kbdd_ioctl(kbd, KDSETREPEAT, (caddr_t)delay); 1507 } 1508 } 1509 1510 static void 1511 kbd_drv_init(void) 1512 { 1513 const keyboard_driver_t **list; 1514 const keyboard_driver_t *p; 1515 1516 SET_FOREACH(list, kbddriver_set) { 1517 p = *list; 1518 if (p->kbdsw->get_fkeystr == NULL) 1519 p->kbdsw->get_fkeystr = genkbd_get_fkeystr; 1520 if (p->kbdsw->diag == NULL) 1521 p->kbdsw->diag = genkbd_diag; 1522 } 1523 } 1524 1525 SYSINIT(kbd_drv_init, SI_SUB_DRIVERS, SI_ORDER_FIRST, kbd_drv_init, NULL); 1526