1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 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 #include "opt_kbd.h" 32 33 #include <sys/param.h> 34 #include <sys/systm.h> 35 #include <sys/kernel.h> 36 #include <sys/lock.h> 37 #include <sys/malloc.h> 38 #include <sys/mutex.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; 100 101 GIANT_REQUIRED; 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 return (ENOMEM); 106 } 107 bcopy(keyboard, new_kbd, sizeof(*keyboard)*keyboards); 108 if (keyboards > 1) 109 free(keyboard, M_DEVBUF); 110 keyboard = new_kbd; 111 keyboards = newsize; 112 113 if (bootverbose) 114 printf("kbd: new array size %d\n", keyboards); 115 116 return (0); 117 } 118 119 /* 120 * Low-level keyboard driver functions 121 * Keyboard subdrivers, such as the AT keyboard driver and the USB keyboard 122 * driver, call these functions to initialize the keyboard_t structure 123 * and register it to the virtual keyboard driver `kbd'. 124 */ 125 126 /* initialize the keyboard_t structure */ 127 void 128 kbd_init_struct(keyboard_t *kbd, char *name, int type, int unit, int config, 129 int port, int port_size) 130 { 131 kbd->kb_flags = KB_NO_DEVICE; /* device has not been found */ 132 kbd->kb_name = name; 133 kbd->kb_type = type; 134 kbd->kb_unit = unit; 135 kbd->kb_config = config & ~KB_CONF_PROBE_ONLY; 136 kbd->kb_led = 0; /* unknown */ 137 kbd->kb_io_base = port; 138 kbd->kb_io_size = port_size; 139 kbd->kb_data = NULL; 140 kbd->kb_keymap = NULL; 141 kbd->kb_accentmap = NULL; 142 kbd->kb_fkeytab = NULL; 143 kbd->kb_fkeytab_size = 0; 144 kbd->kb_delay1 = KBD_DELAY1; /* these values are advisory only */ 145 kbd->kb_delay2 = KBD_DELAY2; 146 kbd->kb_count = 0L; 147 bzero(kbd->kb_lastact, sizeof(kbd->kb_lastact)); 148 } 149 150 void 151 kbd_set_maps(keyboard_t *kbd, keymap_t *keymap, accentmap_t *accmap, 152 fkeytab_t *fkeymap, int fkeymap_size) 153 { 154 kbd->kb_keymap = keymap; 155 kbd->kb_accentmap = accmap; 156 kbd->kb_fkeytab = fkeymap; 157 kbd->kb_fkeytab_size = fkeymap_size; 158 } 159 160 /* declare a new keyboard driver */ 161 int 162 kbd_add_driver(keyboard_driver_t *driver) 163 { 164 165 if ((driver->flags & KBDF_REGISTERED) != 0) 166 return (0); 167 168 KASSERT(SLIST_NEXT(driver, link) == NULL, 169 ("%s: keyboard driver list garbage detected", __func__)); 170 if (driver->kbdsw->get_fkeystr == NULL) 171 driver->kbdsw->get_fkeystr = genkbd_get_fkeystr; 172 if (driver->kbdsw->diag == NULL) 173 driver->kbdsw->diag = genkbd_diag; 174 175 driver->flags |= KBDF_REGISTERED; 176 SLIST_INSERT_HEAD(&keyboard_drivers, driver, link); 177 return (0); 178 } 179 180 int 181 kbd_delete_driver(keyboard_driver_t *driver) 182 { 183 184 if ((driver->flags & KBDF_REGISTERED) == 0) 185 return (EINVAL); 186 187 driver->flags &= ~KBDF_REGISTERED; 188 SLIST_REMOVE(&keyboard_drivers, driver, keyboard_driver, link); 189 SLIST_NEXT(driver, link) = NULL; 190 return (0); 191 } 192 193 /* register a keyboard and associate it with a function table */ 194 int 195 kbd_register(keyboard_t *kbd) 196 { 197 const keyboard_driver_t *p; 198 keyboard_t *mux; 199 keyboard_info_t ki; 200 int index; 201 202 mux = kbd_get_keyboard(kbd_find_keyboard("kbdmux", -1)); 203 204 for (index = 0; index < keyboards; ++index) { 205 if (keyboard[index] == NULL) 206 break; 207 } 208 if (index >= keyboards) { 209 if (kbd_realloc_array()) 210 return (-1); 211 } 212 213 kbd->kb_index = index; 214 KBD_UNBUSY(kbd); 215 KBD_VALID(kbd); 216 kbd->kb_active = 0; /* disabled until someone calls kbd_enable() */ 217 kbd->kb_token = NULL; 218 kbd->kb_callback.kc_func = NULL; 219 kbd->kb_callback.kc_arg = NULL; 220 221 SLIST_FOREACH(p, &keyboard_drivers, link) { 222 if (strcmp(p->name, kbd->kb_name) == 0) { 223 kbd->kb_drv = p; 224 keyboard[index] = kbd; 225 226 if (mux != NULL) { 227 bzero(&ki, sizeof(ki)); 228 strcpy(ki.kb_name, kbd->kb_name); 229 ki.kb_unit = kbd->kb_unit; 230 231 (void)kbdd_ioctl(mux, KBADDKBD, (caddr_t) &ki); 232 } 233 234 return (index); 235 } 236 } 237 238 return (-1); 239 } 240 241 int 242 kbd_unregister(keyboard_t *kbd) 243 { 244 int error; 245 246 GIANT_REQUIRED; 247 if ((kbd->kb_index < 0) || (kbd->kb_index >= keyboards)) 248 return (ENOENT); 249 if (keyboard[kbd->kb_index] != kbd) 250 return (ENOENT); 251 252 if (KBD_IS_BUSY(kbd)) { 253 error = (*kbd->kb_callback.kc_func)(kbd, KBDIO_UNLOADING, 254 kbd->kb_callback.kc_arg); 255 if (error) { 256 return (error); 257 } 258 if (KBD_IS_BUSY(kbd)) { 259 return (EBUSY); 260 } 261 } 262 KBD_INVALID(kbd); 263 keyboard[kbd->kb_index] = NULL; 264 265 return (0); 266 } 267 268 /* find a function table by the driver name */ 269 keyboard_switch_t * 270 kbd_get_switch(char *driver) 271 { 272 const keyboard_driver_t *p; 273 274 SLIST_FOREACH(p, &keyboard_drivers, link) { 275 if (strcmp(p->name, driver) == 0) 276 return (p->kbdsw); 277 } 278 279 return (NULL); 280 } 281 282 /* 283 * Keyboard client functions 284 * Keyboard clients, such as the console driver `syscons' and the keyboard 285 * cdev driver, use these functions to claim and release a keyboard for 286 * exclusive use. 287 */ 288 289 /* 290 * find the keyboard specified by a driver name and a unit number 291 * starting at given index 292 */ 293 int 294 kbd_find_keyboard2(char *driver, int unit, int index) 295 { 296 int i; 297 298 if ((index < 0) || (index >= keyboards)) 299 return (-1); 300 301 for (i = index; i < keyboards; ++i) { 302 if (keyboard[i] == NULL) 303 continue; 304 if (!KBD_IS_VALID(keyboard[i])) 305 continue; 306 if (strcmp("*", driver) && strcmp(keyboard[i]->kb_name, driver)) 307 continue; 308 if ((unit != -1) && (keyboard[i]->kb_unit != unit)) 309 continue; 310 return (i); 311 } 312 313 return (-1); 314 } 315 316 /* find the keyboard specified by a driver name and a unit number */ 317 int 318 kbd_find_keyboard(char *driver, int unit) 319 { 320 return (kbd_find_keyboard2(driver, unit, 0)); 321 } 322 323 /* allocate a keyboard */ 324 int 325 kbd_allocate(char *driver, int unit, void *id, kbd_callback_func_t *func, 326 void *arg) 327 { 328 int index; 329 330 GIANT_REQUIRED; 331 if (func == NULL) 332 return (-1); 333 334 index = kbd_find_keyboard(driver, unit); 335 if (index >= 0) { 336 if (KBD_IS_BUSY(keyboard[index])) { 337 return (-1); 338 } 339 keyboard[index]->kb_token = id; 340 KBD_BUSY(keyboard[index]); 341 keyboard[index]->kb_callback.kc_func = func; 342 keyboard[index]->kb_callback.kc_arg = arg; 343 kbdd_clear_state(keyboard[index]); 344 } 345 return (index); 346 } 347 348 int 349 kbd_release(keyboard_t *kbd, void *id) 350 { 351 int error; 352 353 GIANT_REQUIRED; 354 if (!KBD_IS_VALID(kbd) || !KBD_IS_BUSY(kbd)) { 355 error = EINVAL; 356 } else if (kbd->kb_token != id) { 357 error = EPERM; 358 } else { 359 kbd->kb_token = NULL; 360 KBD_UNBUSY(kbd); 361 kbd->kb_callback.kc_func = NULL; 362 kbd->kb_callback.kc_arg = NULL; 363 kbdd_clear_state(kbd); 364 error = 0; 365 } 366 return (error); 367 } 368 369 int 370 kbd_change_callback(keyboard_t *kbd, void *id, kbd_callback_func_t *func, 371 void *arg) 372 { 373 int error; 374 375 GIANT_REQUIRED; 376 if (!KBD_IS_VALID(kbd) || !KBD_IS_BUSY(kbd)) { 377 error = EINVAL; 378 } else if (kbd->kb_token != id) { 379 error = EPERM; 380 } else if (func == NULL) { 381 error = EINVAL; 382 } else { 383 kbd->kb_callback.kc_func = func; 384 kbd->kb_callback.kc_arg = arg; 385 error = 0; 386 } 387 return (error); 388 } 389 390 /* get a keyboard structure */ 391 keyboard_t * 392 kbd_get_keyboard(int index) 393 { 394 if ((index < 0) || (index >= keyboards)) 395 return (NULL); 396 if (keyboard[index] == NULL) 397 return (NULL); 398 if (!KBD_IS_VALID(keyboard[index])) 399 return (NULL); 400 return (keyboard[index]); 401 } 402 403 /* 404 * The back door for the console driver; configure keyboards 405 * This function is for the kernel console to initialize keyboards 406 * at very early stage. 407 */ 408 409 int 410 kbd_configure(int flags) 411 { 412 const keyboard_driver_t *p; 413 414 SLIST_FOREACH(p, &keyboard_drivers, link) { 415 if (p->configure != NULL) 416 (*p->configure)(flags); 417 } 418 419 return (0); 420 } 421 422 #ifdef KBD_INSTALL_CDEV 423 424 /* 425 * Virtual keyboard cdev driver functions 426 * The virtual keyboard driver dispatches driver functions to 427 * appropriate subdrivers. 428 */ 429 430 #define KBD_UNIT(dev) dev2unit(dev) 431 432 static d_open_t genkbdopen; 433 static d_close_t genkbdclose; 434 static d_read_t genkbdread; 435 static d_write_t genkbdwrite; 436 static d_ioctl_t genkbdioctl; 437 static d_poll_t genkbdpoll; 438 439 440 static struct cdevsw kbd_cdevsw = { 441 .d_version = D_VERSION, 442 .d_flags = D_NEEDGIANT | D_GIANTOK, 443 .d_open = genkbdopen, 444 .d_close = genkbdclose, 445 .d_read = genkbdread, 446 .d_write = genkbdwrite, 447 .d_ioctl = genkbdioctl, 448 .d_poll = genkbdpoll, 449 .d_name = "kbd", 450 }; 451 452 int 453 kbd_attach(keyboard_t *kbd) 454 { 455 456 if (kbd->kb_index >= keyboards) 457 return (EINVAL); 458 if (keyboard[kbd->kb_index] != kbd) 459 return (EINVAL); 460 461 kbd->kb_dev = make_dev(&kbd_cdevsw, kbd->kb_index, UID_ROOT, GID_WHEEL, 462 0600, "%s%r", kbd->kb_name, kbd->kb_unit); 463 make_dev_alias(kbd->kb_dev, "kbd%r", kbd->kb_index); 464 kbd->kb_dev->si_drv1 = malloc(sizeof(genkbd_softc_t), M_DEVBUF, 465 M_WAITOK | M_ZERO); 466 printf("kbd%d at %s%d\n", kbd->kb_index, kbd->kb_name, kbd->kb_unit); 467 return (0); 468 } 469 470 int 471 kbd_detach(keyboard_t *kbd) 472 { 473 474 if (kbd->kb_index >= keyboards) 475 return (EINVAL); 476 if (keyboard[kbd->kb_index] != kbd) 477 return (EINVAL); 478 479 free(kbd->kb_dev->si_drv1, M_DEVBUF); 480 destroy_dev(kbd->kb_dev); 481 482 return (0); 483 } 484 485 /* 486 * Generic keyboard cdev driver functions 487 * Keyboard subdrivers may call these functions to implement common 488 * driver functions. 489 */ 490 491 static void 492 genkbd_putc(genkbd_softc_t *sc, char c) 493 { 494 unsigned int p; 495 496 if (sc->gkb_q_length == KB_QSIZE) 497 return; 498 499 p = (sc->gkb_q_start + sc->gkb_q_length) % KB_QSIZE; 500 sc->gkb_q[p] = c; 501 sc->gkb_q_length++; 502 } 503 504 static size_t 505 genkbd_getc(genkbd_softc_t *sc, char *buf, size_t len) 506 { 507 508 /* Determine copy size. */ 509 if (sc->gkb_q_length == 0) 510 return (0); 511 if (len >= sc->gkb_q_length) 512 len = sc->gkb_q_length; 513 if (len >= KB_QSIZE - sc->gkb_q_start) 514 len = KB_QSIZE - sc->gkb_q_start; 515 516 /* Copy out data and progress offset. */ 517 memcpy(buf, sc->gkb_q + sc->gkb_q_start, len); 518 sc->gkb_q_start = (sc->gkb_q_start + len) % KB_QSIZE; 519 sc->gkb_q_length -= len; 520 521 return (len); 522 } 523 524 static kbd_callback_func_t genkbd_event; 525 526 static int 527 genkbdopen(struct cdev *dev, int mode, int flag, struct thread *td) 528 { 529 keyboard_t *kbd; 530 genkbd_softc_t *sc; 531 int i; 532 533 GIANT_REQUIRED; 534 sc = dev->si_drv1; 535 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 536 if ((sc == NULL) || (kbd == NULL) || !KBD_IS_VALID(kbd)) { 537 return (ENXIO); 538 } 539 i = kbd_allocate(kbd->kb_name, kbd->kb_unit, sc, 540 genkbd_event, (void *)sc); 541 if (i < 0) { 542 return (EBUSY); 543 } 544 /* assert(i == kbd->kb_index) */ 545 /* assert(kbd == kbd_get_keyboard(i)) */ 546 547 /* 548 * NOTE: even when we have successfully claimed a keyboard, 549 * the device may still be missing (!KBD_HAS_DEVICE(kbd)). 550 */ 551 552 sc->gkb_q_length = 0; 553 554 return (0); 555 } 556 557 static int 558 genkbdclose(struct cdev *dev, int mode, int flag, struct thread *td) 559 { 560 keyboard_t *kbd; 561 genkbd_softc_t *sc; 562 563 GIANT_REQUIRED; 564 /* 565 * NOTE: the device may have already become invalid. 566 * kbd == NULL || !KBD_IS_VALID(kbd) 567 */ 568 sc = dev->si_drv1; 569 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 570 if ((sc == NULL) || (kbd == NULL) || !KBD_IS_VALID(kbd)) { 571 /* XXX: we shall be forgiving and don't report error... */ 572 } else { 573 kbd_release(kbd, (void *)sc); 574 } 575 return (0); 576 } 577 578 static int 579 genkbdread(struct cdev *dev, struct uio *uio, int flag) 580 { 581 keyboard_t *kbd; 582 genkbd_softc_t *sc; 583 u_char buffer[KB_BUFSIZE]; 584 int len; 585 int error; 586 587 GIANT_REQUIRED; 588 /* wait for input */ 589 sc = dev->si_drv1; 590 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 591 if ((sc == NULL) || (kbd == NULL) || !KBD_IS_VALID(kbd)) { 592 return (ENXIO); 593 } 594 while (sc->gkb_q_length == 0) { 595 if (flag & O_NONBLOCK) { 596 return (EWOULDBLOCK); 597 } 598 sc->gkb_flags |= KB_ASLEEP; 599 error = tsleep(sc, PZERO | PCATCH, "kbdrea", 0); 600 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 601 if ((kbd == NULL) || !KBD_IS_VALID(kbd)) { 602 return (ENXIO); /* our keyboard has gone... */ 603 } 604 if (error) { 605 sc->gkb_flags &= ~KB_ASLEEP; 606 return (error); 607 } 608 } 609 610 /* copy as much input as possible */ 611 error = 0; 612 while (uio->uio_resid > 0) { 613 len = imin(uio->uio_resid, sizeof(buffer)); 614 len = genkbd_getc(sc, buffer, len); 615 if (len <= 0) 616 break; 617 error = uiomove(buffer, len, uio); 618 if (error) 619 break; 620 } 621 622 return (error); 623 } 624 625 static int 626 genkbdwrite(struct cdev *dev, struct uio *uio, int flag) 627 { 628 keyboard_t *kbd; 629 630 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 631 if ((kbd == NULL) || !KBD_IS_VALID(kbd)) 632 return (ENXIO); 633 return (ENODEV); 634 } 635 636 static int 637 genkbdioctl(struct cdev *dev, u_long cmd, caddr_t arg, int flag, struct thread *td) 638 { 639 keyboard_t *kbd; 640 int error; 641 642 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 643 if ((kbd == NULL) || !KBD_IS_VALID(kbd)) 644 return (ENXIO); 645 error = kbdd_ioctl(kbd, cmd, arg); 646 if (error == ENOIOCTL) 647 error = ENODEV; 648 return (error); 649 } 650 651 static int 652 genkbdpoll(struct cdev *dev, int events, struct thread *td) 653 { 654 keyboard_t *kbd; 655 genkbd_softc_t *sc; 656 int revents; 657 658 GIANT_REQUIRED; 659 revents = 0; 660 sc = dev->si_drv1; 661 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 662 if ((sc == NULL) || (kbd == NULL) || !KBD_IS_VALID(kbd)) { 663 revents = POLLHUP; /* the keyboard has gone */ 664 } else if (events & (POLLIN | POLLRDNORM)) { 665 if (sc->gkb_q_length > 0) 666 revents = events & (POLLIN | POLLRDNORM); 667 else 668 selrecord(td, &sc->gkb_rsel); 669 } 670 return (revents); 671 } 672 673 static int 674 genkbd_event(keyboard_t *kbd, int event, void *arg) 675 { 676 genkbd_softc_t *sc; 677 size_t len; 678 u_char *cp; 679 int mode; 680 u_int c; 681 682 /* assert(KBD_IS_VALID(kbd)) */ 683 sc = (genkbd_softc_t *)arg; 684 685 switch (event) { 686 case KBDIO_KEYINPUT: 687 break; 688 case KBDIO_UNLOADING: 689 /* the keyboard is going... */ 690 kbd_release(kbd, (void *)sc); 691 if (sc->gkb_flags & KB_ASLEEP) { 692 sc->gkb_flags &= ~KB_ASLEEP; 693 wakeup(sc); 694 } 695 selwakeuppri(&sc->gkb_rsel, PZERO); 696 return (0); 697 default: 698 return (EINVAL); 699 } 700 701 /* obtain the current key input mode */ 702 if (kbdd_ioctl(kbd, KDGKBMODE, (caddr_t)&mode)) 703 mode = K_XLATE; 704 705 /* read all pending input */ 706 while (kbdd_check_char(kbd)) { 707 c = kbdd_read_char(kbd, FALSE); 708 if (c == NOKEY) 709 continue; 710 if (c == ERRKEY) /* XXX: ring bell? */ 711 continue; 712 if (!KBD_IS_BUSY(kbd)) 713 /* the device is not open, discard the input */ 714 continue; 715 716 /* store the byte as is for K_RAW and K_CODE modes */ 717 if (mode != K_XLATE) { 718 genkbd_putc(sc, KEYCHAR(c)); 719 continue; 720 } 721 722 /* K_XLATE */ 723 if (c & RELKEY) /* key release is ignored */ 724 continue; 725 726 /* process special keys; most of them are just ignored... */ 727 if (c & SPCLKEY) { 728 switch (KEYCHAR(c)) { 729 default: 730 /* ignore them... */ 731 continue; 732 case BTAB: /* a backtab: ESC [ Z */ 733 genkbd_putc(sc, 0x1b); 734 genkbd_putc(sc, '['); 735 genkbd_putc(sc, 'Z'); 736 continue; 737 } 738 } 739 740 /* normal chars, normal chars with the META, function keys */ 741 switch (KEYFLAGS(c)) { 742 case 0: /* a normal char */ 743 genkbd_putc(sc, KEYCHAR(c)); 744 break; 745 case MKEY: /* the META flag: prepend ESC */ 746 genkbd_putc(sc, 0x1b); 747 genkbd_putc(sc, KEYCHAR(c)); 748 break; 749 case FKEY | SPCLKEY: /* a function key, return string */ 750 cp = kbdd_get_fkeystr(kbd, KEYCHAR(c), &len); 751 if (cp != NULL) { 752 while (len-- > 0) 753 genkbd_putc(sc, *cp++); 754 } 755 break; 756 } 757 } 758 759 /* wake up sleeping/polling processes */ 760 if (sc->gkb_q_length > 0) { 761 if (sc->gkb_flags & KB_ASLEEP) { 762 sc->gkb_flags &= ~KB_ASLEEP; 763 wakeup(sc); 764 } 765 selwakeuppri(&sc->gkb_rsel, PZERO); 766 } 767 768 return (0); 769 } 770 771 #endif /* KBD_INSTALL_CDEV */ 772 773 /* 774 * Generic low-level keyboard functions 775 * The low-level functions in the keyboard subdriver may use these 776 * functions. 777 */ 778 779 #ifndef KBD_DISABLE_KEYMAP_LOAD 780 static int key_change_ok(struct keyent_t *, struct keyent_t *, struct thread *); 781 static int keymap_change_ok(keymap_t *, keymap_t *, struct thread *); 782 static int accent_change_ok(accentmap_t *, accentmap_t *, struct thread *); 783 static int fkey_change_ok(fkeytab_t *, fkeyarg_t *, struct thread *); 784 #endif 785 786 int 787 genkbd_commonioctl(keyboard_t *kbd, u_long cmd, caddr_t arg) 788 { 789 keymap_t *mapp; 790 accentmap_t *accentmapp; 791 keyarg_t *keyp; 792 fkeyarg_t *fkeyp; 793 int error; 794 int i; 795 #ifdef COMPAT_FREEBSD13 796 int j; 797 okeymap_t *omapp; 798 oaccentmap_t *oaccentmapp; 799 #endif /* COMPAT_FREEBSD13 */ 800 801 GIANT_REQUIRED; 802 switch (cmd) { 803 804 case KDGKBINFO: /* get keyboard information */ 805 ((keyboard_info_t *)arg)->kb_index = kbd->kb_index; 806 i = imin(strlen(kbd->kb_name) + 1, 807 sizeof(((keyboard_info_t *)arg)->kb_name)); 808 bcopy(kbd->kb_name, ((keyboard_info_t *)arg)->kb_name, i); 809 ((keyboard_info_t *)arg)->kb_unit = kbd->kb_unit; 810 ((keyboard_info_t *)arg)->kb_type = kbd->kb_type; 811 ((keyboard_info_t *)arg)->kb_config = kbd->kb_config; 812 ((keyboard_info_t *)arg)->kb_flags = kbd->kb_flags; 813 break; 814 815 case KDGKBTYPE: /* get keyboard type */ 816 *(int *)arg = kbd->kb_type; 817 break; 818 819 case KDGETREPEAT: /* get keyboard repeat rate */ 820 ((int *)arg)[0] = kbd->kb_delay1; 821 ((int *)arg)[1] = kbd->kb_delay2; 822 break; 823 824 case GIO_KEYMAP: /* get keyboard translation table */ 825 error = copyout(kbd->kb_keymap, *(void **)arg, 826 sizeof(keymap_t)); 827 return (error); 828 #ifdef COMPAT_FREEBSD13 829 case OGIO_KEYMAP: /* get keyboard translation table (compat) */ 830 mapp = kbd->kb_keymap; 831 omapp = (okeymap_t *)arg; 832 omapp->n_keys = mapp->n_keys; 833 for (i = 0; i < NUM_KEYS; i++) { 834 for (j = 0; j < NUM_STATES; j++) 835 omapp->key[i].map[j] = 836 mapp->key[i].map[j]; 837 omapp->key[i].spcl = mapp->key[i].spcl; 838 omapp->key[i].flgs = mapp->key[i].flgs; 839 } 840 break; 841 #endif /* COMPAT_FREEBSD13 */ 842 case PIO_KEYMAP: /* set keyboard translation table */ 843 #ifdef COMPAT_FREEBSD13 844 case OPIO_KEYMAP: /* set keyboard translation table (compat) */ 845 #endif /* COMPAT_FREEBSD13 */ 846 #ifndef KBD_DISABLE_KEYMAP_LOAD 847 mapp = malloc(sizeof *mapp, M_TEMP, M_WAITOK); 848 #ifdef COMPAT_FREEBSD13 849 if (cmd == OPIO_KEYMAP) { 850 omapp = (okeymap_t *)arg; 851 mapp->n_keys = omapp->n_keys; 852 for (i = 0; i < NUM_KEYS; i++) { 853 for (j = 0; j < NUM_STATES; j++) 854 mapp->key[i].map[j] = 855 omapp->key[i].map[j]; 856 mapp->key[i].spcl = omapp->key[i].spcl; 857 mapp->key[i].flgs = omapp->key[i].flgs; 858 } 859 } else 860 #endif /* COMPAT_FREEBSD13 */ 861 { 862 error = copyin(*(void **)arg, mapp, sizeof *mapp); 863 if (error != 0) { 864 free(mapp, M_TEMP); 865 return (error); 866 } 867 } 868 869 error = keymap_change_ok(kbd->kb_keymap, mapp, curthread); 870 if (error != 0) { 871 free(mapp, M_TEMP); 872 return (error); 873 } 874 bzero(kbd->kb_accentmap, sizeof(*kbd->kb_accentmap)); 875 bcopy(mapp, kbd->kb_keymap, sizeof(*kbd->kb_keymap)); 876 free(mapp, M_TEMP); 877 break; 878 #else 879 return (ENODEV); 880 #endif 881 882 case GIO_KEYMAPENT: /* get keyboard translation table entry */ 883 keyp = (keyarg_t *)arg; 884 if (keyp->keynum >= sizeof(kbd->kb_keymap->key) / 885 sizeof(kbd->kb_keymap->key[0])) { 886 return (EINVAL); 887 } 888 bcopy(&kbd->kb_keymap->key[keyp->keynum], &keyp->key, 889 sizeof(keyp->key)); 890 break; 891 case PIO_KEYMAPENT: /* set keyboard translation table entry */ 892 #ifndef KBD_DISABLE_KEYMAP_LOAD 893 keyp = (keyarg_t *)arg; 894 if (keyp->keynum >= sizeof(kbd->kb_keymap->key) / 895 sizeof(kbd->kb_keymap->key[0])) { 896 return (EINVAL); 897 } 898 error = key_change_ok(&kbd->kb_keymap->key[keyp->keynum], 899 &keyp->key, curthread); 900 if (error != 0) { 901 return (error); 902 } 903 bcopy(&keyp->key, &kbd->kb_keymap->key[keyp->keynum], 904 sizeof(keyp->key)); 905 break; 906 #else 907 return (ENODEV); 908 #endif 909 910 case GIO_DEADKEYMAP: /* get accent key translation table */ 911 error = copyout(kbd->kb_accentmap, *(void **)arg, 912 sizeof(accentmap_t)); 913 return (error); 914 break; 915 #ifdef COMPAT_FREEBSD13 916 case OGIO_DEADKEYMAP: /* get accent key translation table (compat) */ 917 accentmapp = kbd->kb_accentmap; 918 oaccentmapp = (oaccentmap_t *)arg; 919 oaccentmapp->n_accs = accentmapp->n_accs; 920 for (i = 0; i < NUM_DEADKEYS; i++) { 921 oaccentmapp->acc[i].accchar = 922 accentmapp->acc[i].accchar; 923 for (j = 0; j < NUM_ACCENTCHARS; j++) { 924 oaccentmapp->acc[i].map[j][0] = 925 accentmapp->acc[i].map[j][0]; 926 oaccentmapp->acc[i].map[j][1] = 927 accentmapp->acc[i].map[j][1]; 928 } 929 } 930 break; 931 #endif /* COMPAT_FREEBSD13 */ 932 933 case PIO_DEADKEYMAP: /* set accent key translation table */ 934 #ifdef COMPAT_FREEBSD13 935 case OPIO_DEADKEYMAP: /* set accent key translation table (compat) */ 936 #endif /* COMPAT_FREEBSD13 */ 937 #ifndef KBD_DISABLE_KEYMAP_LOAD 938 accentmapp = malloc(sizeof(*accentmapp), M_TEMP, M_WAITOK); 939 #ifdef COMPAT_FREEBSD13 940 if (cmd == OPIO_DEADKEYMAP) { 941 oaccentmapp = (oaccentmap_t *)arg; 942 accentmapp->n_accs = oaccentmapp->n_accs; 943 for (i = 0; i < NUM_DEADKEYS; i++) { 944 for (j = 0; j < NUM_ACCENTCHARS; j++) { 945 accentmapp->acc[i].map[j][0] = 946 oaccentmapp->acc[i].map[j][0]; 947 accentmapp->acc[i].map[j][1] = 948 oaccentmapp->acc[i].map[j][1]; 949 accentmapp->acc[i].accchar = 950 oaccentmapp->acc[i].accchar; 951 } 952 } 953 } else 954 #endif /* COMPAT_FREEBSD13 */ 955 { 956 error = copyin(*(void **)arg, accentmapp, sizeof(*accentmapp)); 957 if (error != 0) { 958 free(accentmapp, M_TEMP); 959 return (error); 960 } 961 } 962 963 error = accent_change_ok(kbd->kb_accentmap, accentmapp, curthread); 964 if (error != 0) { 965 free(accentmapp, M_TEMP); 966 return (error); 967 } 968 bcopy(accentmapp, kbd->kb_accentmap, sizeof(*kbd->kb_accentmap)); 969 free(accentmapp, M_TEMP); 970 break; 971 #else 972 return (ENODEV); 973 #endif 974 975 case GETFKEY: /* get functionkey string */ 976 fkeyp = (fkeyarg_t *)arg; 977 if (fkeyp->keynum >= kbd->kb_fkeytab_size) { 978 return (EINVAL); 979 } 980 bcopy(kbd->kb_fkeytab[fkeyp->keynum].str, fkeyp->keydef, 981 kbd->kb_fkeytab[fkeyp->keynum].len); 982 fkeyp->flen = kbd->kb_fkeytab[fkeyp->keynum].len; 983 break; 984 case SETFKEY: /* set functionkey string */ 985 #ifndef KBD_DISABLE_KEYMAP_LOAD 986 fkeyp = (fkeyarg_t *)arg; 987 if (fkeyp->keynum >= kbd->kb_fkeytab_size) { 988 return (EINVAL); 989 } 990 error = fkey_change_ok(&kbd->kb_fkeytab[fkeyp->keynum], 991 fkeyp, curthread); 992 if (error != 0) { 993 return (error); 994 } 995 kbd->kb_fkeytab[fkeyp->keynum].len = min(fkeyp->flen, MAXFK); 996 bcopy(fkeyp->keydef, kbd->kb_fkeytab[fkeyp->keynum].str, 997 kbd->kb_fkeytab[fkeyp->keynum].len); 998 break; 999 #else 1000 return (ENODEV); 1001 #endif 1002 1003 default: 1004 return (ENOIOCTL); 1005 } 1006 1007 return (0); 1008 } 1009 1010 #ifndef KBD_DISABLE_KEYMAP_LOAD 1011 #define RESTRICTED_KEY(key, i) \ 1012 ((key->spcl & (0x80 >> i)) && \ 1013 (key->map[i] == RBT || key->map[i] == SUSP || \ 1014 key->map[i] == STBY || key->map[i] == DBG || \ 1015 key->map[i] == PNC || key->map[i] == HALT || \ 1016 key->map[i] == PDWN)) 1017 1018 static int 1019 key_change_ok(struct keyent_t *oldkey, struct keyent_t *newkey, struct thread *td) 1020 { 1021 int i; 1022 1023 /* Low keymap_restrict_change means any changes are OK. */ 1024 if (keymap_restrict_change <= 0) 1025 return (0); 1026 1027 /* High keymap_restrict_change means only root can change the keymap. */ 1028 if (keymap_restrict_change >= 2) { 1029 for (i = 0; i < NUM_STATES; i++) 1030 if (oldkey->map[i] != newkey->map[i]) 1031 return priv_check(td, PRIV_KEYBOARD); 1032 if (oldkey->spcl != newkey->spcl) 1033 return priv_check(td, PRIV_KEYBOARD); 1034 if (oldkey->flgs != newkey->flgs) 1035 return priv_check(td, PRIV_KEYBOARD); 1036 return (0); 1037 } 1038 1039 /* Otherwise we have to see if any special keys are being changed. */ 1040 for (i = 0; i < NUM_STATES; i++) { 1041 /* 1042 * If either the oldkey or the newkey action is restricted 1043 * then we must make sure that the action doesn't change. 1044 */ 1045 if (!RESTRICTED_KEY(oldkey, i) && !RESTRICTED_KEY(newkey, i)) 1046 continue; 1047 if ((oldkey->spcl & (0x80 >> i)) == (newkey->spcl & (0x80 >> i)) 1048 && oldkey->map[i] == newkey->map[i]) 1049 continue; 1050 return priv_check(td, PRIV_KEYBOARD); 1051 } 1052 1053 return (0); 1054 } 1055 1056 static int 1057 keymap_change_ok(keymap_t *oldmap, keymap_t *newmap, struct thread *td) 1058 { 1059 int keycode, error; 1060 1061 for (keycode = 0; keycode < NUM_KEYS; keycode++) { 1062 if ((error = key_change_ok(&oldmap->key[keycode], 1063 &newmap->key[keycode], td)) != 0) 1064 return (error); 1065 } 1066 return (0); 1067 } 1068 1069 static int 1070 accent_change_ok(accentmap_t *oldmap, accentmap_t *newmap, struct thread *td) 1071 { 1072 struct acc_t *oldacc, *newacc; 1073 int accent, i; 1074 1075 if (keymap_restrict_change <= 2) 1076 return (0); 1077 1078 if (oldmap->n_accs != newmap->n_accs) 1079 return priv_check(td, PRIV_KEYBOARD); 1080 1081 for (accent = 0; accent < oldmap->n_accs; accent++) { 1082 oldacc = &oldmap->acc[accent]; 1083 newacc = &newmap->acc[accent]; 1084 if (oldacc->accchar != newacc->accchar) 1085 return priv_check(td, PRIV_KEYBOARD); 1086 for (i = 0; i < NUM_ACCENTCHARS; ++i) { 1087 if (oldacc->map[i][0] != newacc->map[i][0]) 1088 return priv_check(td, PRIV_KEYBOARD); 1089 if (oldacc->map[i][0] == 0) /* end of table */ 1090 break; 1091 if (oldacc->map[i][1] != newacc->map[i][1]) 1092 return priv_check(td, PRIV_KEYBOARD); 1093 } 1094 } 1095 1096 return (0); 1097 } 1098 1099 static int 1100 fkey_change_ok(fkeytab_t *oldkey, fkeyarg_t *newkey, struct thread *td) 1101 { 1102 if (keymap_restrict_change <= 3) 1103 return (0); 1104 1105 if (oldkey->len != newkey->flen || 1106 bcmp(oldkey->str, newkey->keydef, oldkey->len) != 0) 1107 return priv_check(td, PRIV_KEYBOARD); 1108 1109 return (0); 1110 } 1111 #endif 1112 1113 /* get a pointer to the string associated with the given function key */ 1114 static u_char * 1115 genkbd_get_fkeystr(keyboard_t *kbd, int fkey, size_t *len) 1116 { 1117 if (kbd == NULL) 1118 return (NULL); 1119 fkey -= F_FN; 1120 if (fkey > kbd->kb_fkeytab_size) 1121 return (NULL); 1122 *len = kbd->kb_fkeytab[fkey].len; 1123 return (kbd->kb_fkeytab[fkey].str); 1124 } 1125 1126 /* diagnostic dump */ 1127 static char * 1128 get_kbd_type_name(int type) 1129 { 1130 static struct { 1131 int type; 1132 char *name; 1133 } name_table[] = { 1134 { KB_84, "AT 84" }, 1135 { KB_101, "AT 101/102" }, 1136 { KB_OTHER, "generic" }, 1137 }; 1138 int i; 1139 1140 for (i = 0; i < nitems(name_table); ++i) { 1141 if (type == name_table[i].type) 1142 return (name_table[i].name); 1143 } 1144 return ("unknown"); 1145 } 1146 1147 static void 1148 genkbd_diag(keyboard_t *kbd, int level) 1149 { 1150 if (level > 0) { 1151 printf("kbd%d: %s%d, %s (%d), config:0x%x, flags:0x%x", 1152 kbd->kb_index, kbd->kb_name, kbd->kb_unit, 1153 get_kbd_type_name(kbd->kb_type), kbd->kb_type, 1154 kbd->kb_config, kbd->kb_flags); 1155 if (kbd->kb_io_base > 0) 1156 printf(", port:0x%x-0x%x", kbd->kb_io_base, 1157 kbd->kb_io_base + kbd->kb_io_size - 1); 1158 printf("\n"); 1159 } 1160 } 1161 1162 #define set_lockkey_state(k, s, l) \ 1163 if (!((s) & l ## DOWN)) { \ 1164 int i; \ 1165 (s) |= l ## DOWN; \ 1166 (s) ^= l ## ED; \ 1167 i = (s) & LOCK_MASK; \ 1168 (void)kbdd_ioctl((k), KDSETLED, (caddr_t)&i); \ 1169 } 1170 1171 static u_int 1172 save_accent_key(keyboard_t *kbd, u_int key, int *accents) 1173 { 1174 int i; 1175 1176 /* make an index into the accent map */ 1177 i = key - F_ACC + 1; 1178 if ((i > kbd->kb_accentmap->n_accs) 1179 || (kbd->kb_accentmap->acc[i - 1].accchar == 0)) { 1180 /* the index is out of range or pointing to an empty entry */ 1181 *accents = 0; 1182 return (ERRKEY); 1183 } 1184 1185 /* 1186 * If the same accent key has been hit twice, produce the accent 1187 * char itself. 1188 */ 1189 if (i == *accents) { 1190 key = kbd->kb_accentmap->acc[i - 1].accchar; 1191 *accents = 0; 1192 return (key); 1193 } 1194 1195 /* remember the index and wait for the next key */ 1196 *accents = i; 1197 return (NOKEY); 1198 } 1199 1200 static u_int 1201 make_accent_char(keyboard_t *kbd, u_int ch, int *accents) 1202 { 1203 struct acc_t *acc; 1204 int i; 1205 1206 acc = &kbd->kb_accentmap->acc[*accents - 1]; 1207 *accents = 0; 1208 1209 /* 1210 * If the accent key is followed by the space key, 1211 * produce the accent char itself. 1212 */ 1213 if (ch == ' ') 1214 return (acc->accchar); 1215 1216 /* scan the accent map */ 1217 for (i = 0; i < NUM_ACCENTCHARS; ++i) { 1218 if (acc->map[i][0] == 0) /* end of table */ 1219 break; 1220 if (acc->map[i][0] == ch) 1221 return (acc->map[i][1]); 1222 } 1223 /* this char cannot be accented... */ 1224 return (ERRKEY); 1225 } 1226 1227 int 1228 genkbd_keyaction(keyboard_t *kbd, int keycode, int up, int *shiftstate, 1229 int *accents) 1230 { 1231 struct keyent_t *key; 1232 int state = *shiftstate; 1233 int action; 1234 int f; 1235 int i; 1236 1237 i = keycode; 1238 f = state & (AGRS | ALKED); 1239 if ((f == AGRS1) || (f == AGRS2) || (f == ALKED)) 1240 i += ALTGR_OFFSET; 1241 key = &kbd->kb_keymap->key[i]; 1242 i = ((state & SHIFTS) ? 1 : 0) 1243 | ((state & CTLS) ? 2 : 0) 1244 | ((state & ALTS) ? 4 : 0); 1245 if (((key->flgs & FLAG_LOCK_C) && (state & CLKED)) 1246 || ((key->flgs & FLAG_LOCK_N) && (state & NLKED)) ) 1247 i ^= 1; 1248 1249 if (up) { /* break: key released */ 1250 action = kbd->kb_lastact[keycode]; 1251 kbd->kb_lastact[keycode] = NOP; 1252 switch (action) { 1253 case LSHA: 1254 if (state & SHIFTAON) { 1255 set_lockkey_state(kbd, state, ALK); 1256 state &= ~ALKDOWN; 1257 } 1258 action = LSH; 1259 /* FALL THROUGH */ 1260 case LSH: 1261 state &= ~SHIFTS1; 1262 break; 1263 case RSHA: 1264 if (state & SHIFTAON) { 1265 set_lockkey_state(kbd, state, ALK); 1266 state &= ~ALKDOWN; 1267 } 1268 action = RSH; 1269 /* FALL THROUGH */ 1270 case RSH: 1271 state &= ~SHIFTS2; 1272 break; 1273 case LCTRA: 1274 if (state & SHIFTAON) { 1275 set_lockkey_state(kbd, state, ALK); 1276 state &= ~ALKDOWN; 1277 } 1278 action = LCTR; 1279 /* FALL THROUGH */ 1280 case LCTR: 1281 state &= ~CTLS1; 1282 break; 1283 case RCTRA: 1284 if (state & SHIFTAON) { 1285 set_lockkey_state(kbd, state, ALK); 1286 state &= ~ALKDOWN; 1287 } 1288 action = RCTR; 1289 /* FALL THROUGH */ 1290 case RCTR: 1291 state &= ~CTLS2; 1292 break; 1293 case LALTA: 1294 if (state & SHIFTAON) { 1295 set_lockkey_state(kbd, state, ALK); 1296 state &= ~ALKDOWN; 1297 } 1298 action = LALT; 1299 /* FALL THROUGH */ 1300 case LALT: 1301 state &= ~ALTS1; 1302 break; 1303 case RALTA: 1304 if (state & SHIFTAON) { 1305 set_lockkey_state(kbd, state, ALK); 1306 state &= ~ALKDOWN; 1307 } 1308 action = RALT; 1309 /* FALL THROUGH */ 1310 case RALT: 1311 state &= ~ALTS2; 1312 break; 1313 case ASH: 1314 state &= ~AGRS1; 1315 break; 1316 case META: 1317 state &= ~METAS1; 1318 break; 1319 case NLK: 1320 state &= ~NLKDOWN; 1321 break; 1322 case CLK: 1323 state &= ~CLKDOWN; 1324 break; 1325 case SLK: 1326 state &= ~SLKDOWN; 1327 break; 1328 case ALK: 1329 state &= ~ALKDOWN; 1330 break; 1331 case NOP: 1332 /* release events of regular keys are not reported */ 1333 *shiftstate &= ~SHIFTAON; 1334 return (NOKEY); 1335 } 1336 *shiftstate = state & ~SHIFTAON; 1337 return (SPCLKEY | RELKEY | action); 1338 } else { /* make: key pressed */ 1339 action = key->map[i]; 1340 state &= ~SHIFTAON; 1341 if (key->spcl & (0x80 >> i)) { 1342 /* special keys */ 1343 if (kbd->kb_lastact[keycode] == NOP) 1344 kbd->kb_lastact[keycode] = action; 1345 if (kbd->kb_lastact[keycode] != action) 1346 action = NOP; 1347 switch (action) { 1348 /* LOCKING KEYS */ 1349 case NLK: 1350 set_lockkey_state(kbd, state, NLK); 1351 break; 1352 case CLK: 1353 set_lockkey_state(kbd, state, CLK); 1354 break; 1355 case SLK: 1356 set_lockkey_state(kbd, state, SLK); 1357 break; 1358 case ALK: 1359 set_lockkey_state(kbd, state, ALK); 1360 break; 1361 /* NON-LOCKING KEYS */ 1362 case SPSC: case RBT: case SUSP: case STBY: 1363 case DBG: case NEXT: case PREV: case PNC: 1364 case HALT: case PDWN: 1365 *accents = 0; 1366 break; 1367 case BTAB: 1368 *accents = 0; 1369 action |= BKEY; 1370 break; 1371 case LSHA: 1372 state |= SHIFTAON; 1373 action = LSH; 1374 /* FALL THROUGH */ 1375 case LSH: 1376 state |= SHIFTS1; 1377 break; 1378 case RSHA: 1379 state |= SHIFTAON; 1380 action = RSH; 1381 /* FALL THROUGH */ 1382 case RSH: 1383 state |= SHIFTS2; 1384 break; 1385 case LCTRA: 1386 state |= SHIFTAON; 1387 action = LCTR; 1388 /* FALL THROUGH */ 1389 case LCTR: 1390 state |= CTLS1; 1391 break; 1392 case RCTRA: 1393 state |= SHIFTAON; 1394 action = RCTR; 1395 /* FALL THROUGH */ 1396 case RCTR: 1397 state |= CTLS2; 1398 break; 1399 case LALTA: 1400 state |= SHIFTAON; 1401 action = LALT; 1402 /* FALL THROUGH */ 1403 case LALT: 1404 state |= ALTS1; 1405 break; 1406 case RALTA: 1407 state |= SHIFTAON; 1408 action = RALT; 1409 /* FALL THROUGH */ 1410 case RALT: 1411 state |= ALTS2; 1412 break; 1413 case ASH: 1414 state |= AGRS1; 1415 break; 1416 case META: 1417 state |= METAS1; 1418 break; 1419 case NOP: 1420 *shiftstate = state; 1421 return (NOKEY); 1422 default: 1423 /* is this an accent (dead) key? */ 1424 *shiftstate = state; 1425 if (action >= F_ACC && action <= L_ACC) { 1426 action = save_accent_key(kbd, action, 1427 accents); 1428 switch (action) { 1429 case NOKEY: 1430 case ERRKEY: 1431 return (action); 1432 default: 1433 if (state & METAS) 1434 return (action | MKEY); 1435 else 1436 return (action); 1437 } 1438 /* NOT REACHED */ 1439 } 1440 /* other special keys */ 1441 if (*accents > 0) { 1442 *accents = 0; 1443 return (ERRKEY); 1444 } 1445 if (action >= F_FN && action <= L_FN) 1446 action |= FKEY; 1447 /* XXX: return fkey string for the FKEY? */ 1448 return (SPCLKEY | action); 1449 } 1450 *shiftstate = state; 1451 return (SPCLKEY | action); 1452 } else { 1453 /* regular keys */ 1454 kbd->kb_lastact[keycode] = NOP; 1455 *shiftstate = state; 1456 if (*accents > 0) { 1457 /* make an accented char */ 1458 action = make_accent_char(kbd, action, accents); 1459 if (action == ERRKEY) 1460 return (action); 1461 } 1462 if (state & METAS) 1463 action |= MKEY; 1464 return (action); 1465 } 1466 } 1467 /* NOT REACHED */ 1468 } 1469 1470 void 1471 kbd_ev_event(keyboard_t *kbd, uint16_t type, uint16_t code, int32_t value) 1472 { 1473 int delay[2], led = 0, leds, oleds; 1474 1475 if (type == EV_LED) { 1476 leds = oleds = KBD_LED_VAL(kbd); 1477 switch (code) { 1478 case LED_CAPSL: 1479 led = CLKED; 1480 break; 1481 case LED_NUML: 1482 led = NLKED; 1483 break; 1484 case LED_SCROLLL: 1485 led = SLKED; 1486 break; 1487 } 1488 1489 if (value) 1490 leds |= led; 1491 else 1492 leds &= ~led; 1493 1494 if (leds != oleds) 1495 kbdd_ioctl(kbd, KDSETLED, (caddr_t)&leds); 1496 1497 } else if (type == EV_REP && code == REP_DELAY) { 1498 delay[0] = value; 1499 delay[1] = kbd->kb_delay2; 1500 kbdd_ioctl(kbd, KDSETREPEAT, (caddr_t)delay); 1501 } else if (type == EV_REP && code == REP_PERIOD) { 1502 delay[0] = kbd->kb_delay1; 1503 delay[1] = value; 1504 kbdd_ioctl(kbd, KDSETREPEAT, (caddr_t)delay); 1505 } 1506 } 1507 1508 void 1509 kbdinit(void) 1510 { 1511 keyboard_driver_t *drv, **list; 1512 1513 SET_FOREACH(list, kbddriver_set) { 1514 drv = *list; 1515 1516 /* 1517 * The following printfs will almost universally get dropped, 1518 * with exception to kernel configs with EARLY_PRINTF and 1519 * special setups where msgbufinit() is called early with a 1520 * static buffer to capture output occurring before the dynamic 1521 * message buffer is mapped. 1522 */ 1523 if (kbd_add_driver(drv) != 0) 1524 printf("kbd: failed to register driver '%s'\n", 1525 drv->name); 1526 else if (bootverbose) 1527 printf("kbd: registered driver '%s'\n", 1528 drv->name); 1529 } 1530 1531 } 1532