Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/kbd/kbd.c
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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 SLIST_HEAD(, keyboard_driver) keyboard_drivers = 68 SLIST_HEAD_INITIALIZER(keyboard_drivers); 69 70 SET_DECLARE(kbddriver_set, const keyboard_driver_t); 71 72 /* local arrays */ 73 74 /* 75 * We need at least one entry each in order to initialize a keyboard 76 * for the kernel console. The arrays will be increased dynamically 77 * when necessary. 78 */ 79 80 static int keyboards = 1; 81 static keyboard_t *kbd_ini; 82 static keyboard_t **keyboard = &kbd_ini; 83 static keyboard_switch_t *kbdsw_ini; 84 keyboard_switch_t **kbdsw = &kbdsw_ini; 85 86 static int keymap_restrict_change; 87 static SYSCTL_NODE(_hw, OID_AUTO, kbd, CTLFLAG_RD, 0, "kbd"); 88 SYSCTL_INT(_hw_kbd, OID_AUTO, keymap_restrict_change, CTLFLAG_RW, 89 &keymap_restrict_change, 0, "restrict ability to change keymap"); 90 91 #define ARRAY_DELTA 4 92 93 static int 94 kbd_realloc_array(void) 95 { 96 keyboard_t **new_kbd; 97 keyboard_switch_t **new_kbdsw; 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 new_kbdsw = malloc(sizeof(*new_kbdsw)*newsize, M_DEVBUF, 109 M_NOWAIT|M_ZERO); 110 if (new_kbdsw == NULL) { 111 free(new_kbd, M_DEVBUF); 112 splx(s); 113 return (ENOMEM); 114 } 115 bcopy(keyboard, new_kbd, sizeof(*keyboard)*keyboards); 116 bcopy(kbdsw, new_kbdsw, sizeof(*kbdsw)*keyboards); 117 if (keyboards > 1) { 118 free(keyboard, M_DEVBUF); 119 free(kbdsw, M_DEVBUF); 120 } 121 keyboard = new_kbd; 122 kbdsw = new_kbdsw; 123 keyboards = newsize; 124 splx(s); 125 126 if (bootverbose) 127 printf("kbd: new array size %d\n", keyboards); 128 129 return (0); 130 } 131 132 /* 133 * Low-level keyboard driver functions 134 * Keyboard subdrivers, such as the AT keyboard driver and the USB keyboard 135 * driver, call these functions to initialize the keyboard_t structure 136 * and register it to the virtual keyboard driver `kbd'. 137 */ 138 139 /* initialize the keyboard_t structure */ 140 void 141 kbd_init_struct(keyboard_t *kbd, char *name, int type, int unit, int config, 142 int port, int port_size) 143 { 144 kbd->kb_flags = KB_NO_DEVICE; /* device has not been found */ 145 kbd->kb_name = name; 146 kbd->kb_type = type; 147 kbd->kb_unit = unit; 148 kbd->kb_config = config & ~KB_CONF_PROBE_ONLY; 149 kbd->kb_led = 0; /* unknown */ 150 kbd->kb_io_base = port; 151 kbd->kb_io_size = port_size; 152 kbd->kb_data = NULL; 153 kbd->kb_keymap = NULL; 154 kbd->kb_accentmap = NULL; 155 kbd->kb_fkeytab = NULL; 156 kbd->kb_fkeytab_size = 0; 157 kbd->kb_delay1 = KB_DELAY1; /* these values are advisory only */ 158 kbd->kb_delay2 = KB_DELAY2; 159 kbd->kb_count = 0L; 160 bzero(kbd->kb_lastact, sizeof(kbd->kb_lastact)); 161 } 162 163 void 164 kbd_set_maps(keyboard_t *kbd, keymap_t *keymap, accentmap_t *accmap, 165 fkeytab_t *fkeymap, int fkeymap_size) 166 { 167 kbd->kb_keymap = keymap; 168 kbd->kb_accentmap = accmap; 169 kbd->kb_fkeytab = fkeymap; 170 kbd->kb_fkeytab_size = fkeymap_size; 171 } 172 173 /* declare a new keyboard driver */ 174 int 175 kbd_add_driver(keyboard_driver_t *driver) 176 { 177 if (SLIST_NEXT(driver, link)) 178 return (EINVAL); 179 if (driver->kbdsw->get_fkeystr == NULL) 180 driver->kbdsw->get_fkeystr = genkbd_get_fkeystr; 181 if (driver->kbdsw->diag == NULL) 182 driver->kbdsw->diag = genkbd_diag; 183 SLIST_INSERT_HEAD(&keyboard_drivers, driver, link); 184 return (0); 185 } 186 187 int 188 kbd_delete_driver(keyboard_driver_t *driver) 189 { 190 SLIST_REMOVE(&keyboard_drivers, driver, keyboard_driver, link); 191 SLIST_NEXT(driver, link) = NULL; 192 return (0); 193 } 194 195 /* register a keyboard and associate it with a function table */ 196 int 197 kbd_register(keyboard_t *kbd) 198 { 199 const keyboard_driver_t **list; 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 keyboard[index] = kbd; 227 kbdsw[index] = p->kbdsw; 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 SET_FOREACH(list, kbddriver_set) { 241 p = *list; 242 if (strcmp(p->name, kbd->kb_name) == 0) { 243 keyboard[index] = kbd; 244 kbdsw[index] = p->kbdsw; 245 246 if (mux != NULL) { 247 bzero(&ki, sizeof(ki)); 248 strcpy(ki.kb_name, kbd->kb_name); 249 ki.kb_unit = kbd->kb_unit; 250 251 (void)kbdd_ioctl(mux, KBADDKBD, (caddr_t) &ki); 252 } 253 254 return (index); 255 } 256 } 257 258 return (-1); 259 } 260 261 int 262 kbd_unregister(keyboard_t *kbd) 263 { 264 int error; 265 int s; 266 267 if ((kbd->kb_index < 0) || (kbd->kb_index >= keyboards)) 268 return (ENOENT); 269 if (keyboard[kbd->kb_index] != kbd) 270 return (ENOENT); 271 272 s = spltty(); 273 if (KBD_IS_BUSY(kbd)) { 274 error = (*kbd->kb_callback.kc_func)(kbd, KBDIO_UNLOADING, 275 kbd->kb_callback.kc_arg); 276 if (error) { 277 splx(s); 278 return (error); 279 } 280 if (KBD_IS_BUSY(kbd)) { 281 splx(s); 282 return (EBUSY); 283 } 284 } 285 KBD_INVALID(kbd); 286 keyboard[kbd->kb_index] = NULL; 287 kbdsw[kbd->kb_index] = NULL; 288 289 splx(s); 290 return (0); 291 } 292 293 /* find a function table by the driver name */ 294 keyboard_switch_t * 295 kbd_get_switch(char *driver) 296 { 297 const keyboard_driver_t **list; 298 const keyboard_driver_t *p; 299 300 SLIST_FOREACH(p, &keyboard_drivers, link) { 301 if (strcmp(p->name, driver) == 0) 302 return (p->kbdsw); 303 } 304 SET_FOREACH(list, kbddriver_set) { 305 p = *list; 306 if (strcmp(p->name, driver) == 0) 307 return (p->kbdsw); 308 } 309 310 return (NULL); 311 } 312 313 /* 314 * Keyboard client functions 315 * Keyboard clients, such as the console driver `syscons' and the keyboard 316 * cdev driver, use these functions to claim and release a keyboard for 317 * exclusive use. 318 */ 319 320 /* 321 * find the keyboard specified by a driver name and a unit number 322 * starting at given index 323 */ 324 int 325 kbd_find_keyboard2(char *driver, int unit, int index) 326 { 327 int i; 328 329 if ((index < 0) || (index >= keyboards)) 330 return (-1); 331 332 for (i = index; i < keyboards; ++i) { 333 if (keyboard[i] == NULL) 334 continue; 335 if (!KBD_IS_VALID(keyboard[i])) 336 continue; 337 if (strcmp("*", driver) && strcmp(keyboard[i]->kb_name, driver)) 338 continue; 339 if ((unit != -1) && (keyboard[i]->kb_unit != unit)) 340 continue; 341 return (i); 342 } 343 344 return (-1); 345 } 346 347 /* find the keyboard specified by a driver name and a unit number */ 348 int 349 kbd_find_keyboard(char *driver, int unit) 350 { 351 return (kbd_find_keyboard2(driver, unit, 0)); 352 } 353 354 /* allocate a keyboard */ 355 int 356 kbd_allocate(char *driver, int unit, void *id, kbd_callback_func_t *func, 357 void *arg) 358 { 359 int index; 360 int s; 361 362 if (func == NULL) 363 return (-1); 364 365 s = spltty(); 366 index = kbd_find_keyboard(driver, unit); 367 if (index >= 0) { 368 if (KBD_IS_BUSY(keyboard[index])) { 369 splx(s); 370 return (-1); 371 } 372 keyboard[index]->kb_token = id; 373 KBD_BUSY(keyboard[index]); 374 keyboard[index]->kb_callback.kc_func = func; 375 keyboard[index]->kb_callback.kc_arg = arg; 376 kbdd_clear_state(keyboard[index]); 377 } 378 splx(s); 379 return (index); 380 } 381 382 int 383 kbd_release(keyboard_t *kbd, void *id) 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 { 394 kbd->kb_token = NULL; 395 KBD_UNBUSY(kbd); 396 kbd->kb_callback.kc_func = NULL; 397 kbd->kb_callback.kc_arg = NULL; 398 kbdd_clear_state(kbd); 399 error = 0; 400 } 401 splx(s); 402 return (error); 403 } 404 405 int 406 kbd_change_callback(keyboard_t *kbd, void *id, kbd_callback_func_t *func, 407 void *arg) 408 { 409 int error; 410 int s; 411 412 s = spltty(); 413 if (!KBD_IS_VALID(kbd) || !KBD_IS_BUSY(kbd)) { 414 error = EINVAL; 415 } else if (kbd->kb_token != id) { 416 error = EPERM; 417 } else if (func == NULL) { 418 error = EINVAL; 419 } else { 420 kbd->kb_callback.kc_func = func; 421 kbd->kb_callback.kc_arg = arg; 422 error = 0; 423 } 424 splx(s); 425 return (error); 426 } 427 428 /* get a keyboard structure */ 429 keyboard_t * 430 kbd_get_keyboard(int index) 431 { 432 if ((index < 0) || (index >= keyboards)) 433 return (NULL); 434 if (keyboard[index] == NULL) 435 return (NULL); 436 if (!KBD_IS_VALID(keyboard[index])) 437 return (NULL); 438 return (keyboard[index]); 439 } 440 441 /* 442 * The back door for the console driver; configure keyboards 443 * This function is for the kernel console to initialize keyboards 444 * at very early stage. 445 */ 446 447 int 448 kbd_configure(int flags) 449 { 450 const keyboard_driver_t **list; 451 const keyboard_driver_t *p; 452 453 SLIST_FOREACH(p, &keyboard_drivers, link) { 454 if (p->configure != NULL) 455 (*p->configure)(flags); 456 } 457 SET_FOREACH(list, kbddriver_set) { 458 p = *list; 459 if (p->configure != NULL) 460 (*p->configure)(flags); 461 } 462 463 return (0); 464 } 465 466 #ifdef KBD_INSTALL_CDEV 467 468 /* 469 * Virtual keyboard cdev driver functions 470 * The virtual keyboard driver dispatches driver functions to 471 * appropriate subdrivers. 472 */ 473 474 #define KBD_UNIT(dev) dev2unit(dev) 475 476 static d_open_t genkbdopen; 477 static d_close_t genkbdclose; 478 static d_read_t genkbdread; 479 static d_write_t genkbdwrite; 480 static d_ioctl_t genkbdioctl; 481 static d_poll_t genkbdpoll; 482 483 484 static struct cdevsw kbd_cdevsw = { 485 .d_version = D_VERSION, 486 .d_flags = D_NEEDGIANT, 487 .d_open = genkbdopen, 488 .d_close = genkbdclose, 489 .d_read = genkbdread, 490 .d_write = genkbdwrite, 491 .d_ioctl = genkbdioctl, 492 .d_poll = genkbdpoll, 493 .d_name = "kbd", 494 }; 495 496 int 497 kbd_attach(keyboard_t *kbd) 498 { 499 500 if (kbd->kb_index >= keyboards) 501 return (EINVAL); 502 if (keyboard[kbd->kb_index] != kbd) 503 return (EINVAL); 504 505 kbd->kb_dev = make_dev(&kbd_cdevsw, kbd->kb_index, UID_ROOT, GID_WHEEL, 506 0600, "%s%r", kbd->kb_name, kbd->kb_unit); 507 make_dev_alias(kbd->kb_dev, "kbd%r", kbd->kb_index); 508 kbd->kb_dev->si_drv1 = malloc(sizeof(genkbd_softc_t), M_DEVBUF, 509 M_WAITOK | M_ZERO); 510 printf("kbd%d at %s%d\n", kbd->kb_index, kbd->kb_name, kbd->kb_unit); 511 return (0); 512 } 513 514 int 515 kbd_detach(keyboard_t *kbd) 516 { 517 518 if (kbd->kb_index >= keyboards) 519 return (EINVAL); 520 if (keyboard[kbd->kb_index] != kbd) 521 return (EINVAL); 522 523 free(kbd->kb_dev->si_drv1, M_DEVBUF); 524 destroy_dev(kbd->kb_dev); 525 526 return (0); 527 } 528 529 /* 530 * Generic keyboard cdev driver functions 531 * Keyboard subdrivers may call these functions to implement common 532 * driver functions. 533 */ 534 535 static void 536 genkbd_putc(genkbd_softc_t *sc, char c) 537 { 538 unsigned int p; 539 540 if (sc->gkb_q_length == KB_QSIZE) 541 return; 542 543 p = (sc->gkb_q_start + sc->gkb_q_length) % KB_QSIZE; 544 sc->gkb_q[p] = c; 545 sc->gkb_q_length++; 546 } 547 548 static size_t 549 genkbd_getc(genkbd_softc_t *sc, char *buf, size_t len) 550 { 551 552 /* Determine copy size. */ 553 if (sc->gkb_q_length == 0) 554 return (0); 555 if (len >= sc->gkb_q_length) 556 len = sc->gkb_q_length; 557 if (len >= KB_QSIZE - sc->gkb_q_start) 558 len = KB_QSIZE - sc->gkb_q_start; 559 560 /* Copy out data and progress offset. */ 561 memcpy(buf, sc->gkb_q + sc->gkb_q_start, len); 562 sc->gkb_q_start = (sc->gkb_q_start + len) % KB_QSIZE; 563 sc->gkb_q_length -= len; 564 565 return (len); 566 } 567 568 static kbd_callback_func_t genkbd_event; 569 570 static int 571 genkbdopen(struct cdev *dev, int mode, int flag, struct thread *td) 572 { 573 keyboard_t *kbd; 574 genkbd_softc_t *sc; 575 int s; 576 int i; 577 578 s = spltty(); 579 sc = dev->si_drv1; 580 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 581 if ((sc == NULL) || (kbd == NULL) || !KBD_IS_VALID(kbd)) { 582 splx(s); 583 return (ENXIO); 584 } 585 i = kbd_allocate(kbd->kb_name, kbd->kb_unit, sc, 586 genkbd_event, (void *)sc); 587 if (i < 0) { 588 splx(s); 589 return (EBUSY); 590 } 591 /* assert(i == kbd->kb_index) */ 592 /* assert(kbd == kbd_get_keyboard(i)) */ 593 594 /* 595 * NOTE: even when we have successfully claimed a keyboard, 596 * the device may still be missing (!KBD_HAS_DEVICE(kbd)). 597 */ 598 599 sc->gkb_q_length = 0; 600 splx(s); 601 602 return (0); 603 } 604 605 static int 606 genkbdclose(struct cdev *dev, int mode, int flag, struct thread *td) 607 { 608 keyboard_t *kbd; 609 genkbd_softc_t *sc; 610 int s; 611 612 /* 613 * NOTE: the device may have already become invalid. 614 * kbd == NULL || !KBD_IS_VALID(kbd) 615 */ 616 s = spltty(); 617 sc = dev->si_drv1; 618 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 619 if ((sc == NULL) || (kbd == NULL) || !KBD_IS_VALID(kbd)) { 620 /* XXX: we shall be forgiving and don't report error... */ 621 } else { 622 kbd_release(kbd, (void *)sc); 623 } 624 splx(s); 625 return (0); 626 } 627 628 static int 629 genkbdread(struct cdev *dev, struct uio *uio, int flag) 630 { 631 keyboard_t *kbd; 632 genkbd_softc_t *sc; 633 u_char buffer[KB_BUFSIZE]; 634 int len; 635 int error; 636 int s; 637 638 /* wait for input */ 639 s = spltty(); 640 sc = dev->si_drv1; 641 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 642 if ((sc == NULL) || (kbd == NULL) || !KBD_IS_VALID(kbd)) { 643 splx(s); 644 return (ENXIO); 645 } 646 while (sc->gkb_q_length == 0) { 647 if (flag & O_NONBLOCK) { 648 splx(s); 649 return (EWOULDBLOCK); 650 } 651 sc->gkb_flags |= KB_ASLEEP; 652 error = tsleep(sc, PZERO | PCATCH, "kbdrea", 0); 653 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 654 if ((kbd == NULL) || !KBD_IS_VALID(kbd)) { 655 splx(s); 656 return (ENXIO); /* our keyboard has gone... */ 657 } 658 if (error) { 659 sc->gkb_flags &= ~KB_ASLEEP; 660 splx(s); 661 return (error); 662 } 663 } 664 splx(s); 665 666 /* copy as much input as possible */ 667 error = 0; 668 while (uio->uio_resid > 0) { 669 len = imin(uio->uio_resid, sizeof(buffer)); 670 len = genkbd_getc(sc, buffer, len); 671 if (len <= 0) 672 break; 673 error = uiomove(buffer, len, uio); 674 if (error) 675 break; 676 } 677 678 return (error); 679 } 680 681 static int 682 genkbdwrite(struct cdev *dev, struct uio *uio, int flag) 683 { 684 keyboard_t *kbd; 685 686 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 687 if ((kbd == NULL) || !KBD_IS_VALID(kbd)) 688 return (ENXIO); 689 return (ENODEV); 690 } 691 692 static int 693 genkbdioctl(struct cdev *dev, u_long cmd, caddr_t arg, int flag, struct thread *td) 694 { 695 keyboard_t *kbd; 696 int error; 697 698 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 699 if ((kbd == NULL) || !KBD_IS_VALID(kbd)) 700 return (ENXIO); 701 error = kbdd_ioctl(kbd, cmd, arg); 702 if (error == ENOIOCTL) 703 error = ENODEV; 704 return (error); 705 } 706 707 static int 708 genkbdpoll(struct cdev *dev, int events, struct thread *td) 709 { 710 keyboard_t *kbd; 711 genkbd_softc_t *sc; 712 int revents; 713 int s; 714 715 revents = 0; 716 s = spltty(); 717 sc = dev->si_drv1; 718 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 719 if ((sc == NULL) || (kbd == NULL) || !KBD_IS_VALID(kbd)) { 720 revents = POLLHUP; /* the keyboard has gone */ 721 } else if (events & (POLLIN | POLLRDNORM)) { 722 if (sc->gkb_q_length > 0) 723 revents = events & (POLLIN | POLLRDNORM); 724 else 725 selrecord(td, &sc->gkb_rsel); 726 } 727 splx(s); 728 return (revents); 729 } 730 731 static int 732 genkbd_event(keyboard_t *kbd, int event, void *arg) 733 { 734 genkbd_softc_t *sc; 735 size_t len; 736 u_char *cp; 737 int mode; 738 u_int c; 739 740 /* assert(KBD_IS_VALID(kbd)) */ 741 sc = (genkbd_softc_t *)arg; 742 743 switch (event) { 744 case KBDIO_KEYINPUT: 745 break; 746 case KBDIO_UNLOADING: 747 /* the keyboard is going... */ 748 kbd_release(kbd, (void *)sc); 749 if (sc->gkb_flags & KB_ASLEEP) { 750 sc->gkb_flags &= ~KB_ASLEEP; 751 wakeup(sc); 752 } 753 selwakeuppri(&sc->gkb_rsel, PZERO); 754 return (0); 755 default: 756 return (EINVAL); 757 } 758 759 /* obtain the current key input mode */ 760 if (kbdd_ioctl(kbd, KDGKBMODE, (caddr_t)&mode)) 761 mode = K_XLATE; 762 763 /* read all pending input */ 764 while (kbdd_check_char(kbd)) { 765 c = kbdd_read_char(kbd, FALSE); 766 if (c == NOKEY) 767 continue; 768 if (c == ERRKEY) /* XXX: ring bell? */ 769 continue; 770 if (!KBD_IS_BUSY(kbd)) 771 /* the device is not open, discard the input */ 772 continue; 773 774 /* store the byte as is for K_RAW and K_CODE modes */ 775 if (mode != K_XLATE) { 776 genkbd_putc(sc, KEYCHAR(c)); 777 continue; 778 } 779 780 /* K_XLATE */ 781 if (c & RELKEY) /* key release is ignored */ 782 continue; 783 784 /* process special keys; most of them are just ignored... */ 785 if (c & SPCLKEY) { 786 switch (KEYCHAR(c)) { 787 default: 788 /* ignore them... */ 789 continue; 790 case BTAB: /* a backtab: ESC [ Z */ 791 genkbd_putc(sc, 0x1b); 792 genkbd_putc(sc, '['); 793 genkbd_putc(sc, 'Z'); 794 continue; 795 } 796 } 797 798 /* normal chars, normal chars with the META, function keys */ 799 switch (KEYFLAGS(c)) { 800 case 0: /* a normal char */ 801 genkbd_putc(sc, KEYCHAR(c)); 802 break; 803 case MKEY: /* the META flag: prepend ESC */ 804 genkbd_putc(sc, 0x1b); 805 genkbd_putc(sc, KEYCHAR(c)); 806 break; 807 case FKEY | SPCLKEY: /* a function key, return string */ 808 cp = kbdd_get_fkeystr(kbd, KEYCHAR(c), &len); 809 if (cp != NULL) { 810 while (len-- > 0) 811 genkbd_putc(sc, *cp++); 812 } 813 break; 814 } 815 } 816 817 /* wake up sleeping/polling processes */ 818 if (sc->gkb_q_length > 0) { 819 if (sc->gkb_flags & KB_ASLEEP) { 820 sc->gkb_flags &= ~KB_ASLEEP; 821 wakeup(sc); 822 } 823 selwakeuppri(&sc->gkb_rsel, PZERO); 824 } 825 826 return (0); 827 } 828 829 #endif /* KBD_INSTALL_CDEV */ 830 831 /* 832 * Generic low-level keyboard functions 833 * The low-level functions in the keyboard subdriver may use these 834 * functions. 835 */ 836 837 #ifndef KBD_DISABLE_KEYMAP_LOAD 838 static int key_change_ok(struct keyent_t *, struct keyent_t *, struct thread *); 839 static int keymap_change_ok(keymap_t *, keymap_t *, struct thread *); 840 static int accent_change_ok(accentmap_t *, accentmap_t *, struct thread *); 841 static int fkey_change_ok(fkeytab_t *, fkeyarg_t *, struct thread *); 842 #endif 843 844 int 845 genkbd_commonioctl(keyboard_t *kbd, u_long cmd, caddr_t arg) 846 { 847 keymap_t *mapp; 848 okeymap_t *omapp; 849 keyarg_t *keyp; 850 fkeyarg_t *fkeyp; 851 int s; 852 int i, j; 853 int error; 854 855 s = spltty(); 856 switch (cmd) { 857 858 case KDGKBINFO: /* get keyboard information */ 859 ((keyboard_info_t *)arg)->kb_index = kbd->kb_index; 860 i = imin(strlen(kbd->kb_name) + 1, 861 sizeof(((keyboard_info_t *)arg)->kb_name)); 862 bcopy(kbd->kb_name, ((keyboard_info_t *)arg)->kb_name, i); 863 ((keyboard_info_t *)arg)->kb_unit = kbd->kb_unit; 864 ((keyboard_info_t *)arg)->kb_type = kbd->kb_type; 865 ((keyboard_info_t *)arg)->kb_config = kbd->kb_config; 866 ((keyboard_info_t *)arg)->kb_flags = kbd->kb_flags; 867 break; 868 869 case KDGKBTYPE: /* get keyboard type */ 870 *(int *)arg = kbd->kb_type; 871 break; 872 873 case KDGETREPEAT: /* get keyboard repeat rate */ 874 ((int *)arg)[0] = kbd->kb_delay1; 875 ((int *)arg)[1] = kbd->kb_delay2; 876 break; 877 878 case GIO_KEYMAP: /* get keyboard translation table */ 879 error = copyout(kbd->kb_keymap, *(void **)arg, 880 sizeof(keymap_t)); 881 splx(s); 882 return (error); 883 case OGIO_KEYMAP: /* get keyboard translation table (compat) */ 884 mapp = kbd->kb_keymap; 885 omapp = (okeymap_t *)arg; 886 omapp->n_keys = mapp->n_keys; 887 for (i = 0; i < NUM_KEYS; i++) { 888 for (j = 0; j < NUM_STATES; j++) 889 omapp->key[i].map[j] = 890 mapp->key[i].map[j]; 891 omapp->key[i].spcl = mapp->key[i].spcl; 892 omapp->key[i].flgs = mapp->key[i].flgs; 893 } 894 break; 895 case PIO_KEYMAP: /* set keyboard translation table */ 896 case OPIO_KEYMAP: /* set keyboard translation table (compat) */ 897 #ifndef KBD_DISABLE_KEYMAP_LOAD 898 mapp = malloc(sizeof *mapp, M_TEMP, M_WAITOK); 899 if (cmd == OPIO_KEYMAP) { 900 omapp = (okeymap_t *)arg; 901 mapp->n_keys = omapp->n_keys; 902 for (i = 0; i < NUM_KEYS; i++) { 903 for (j = 0; j < NUM_STATES; j++) 904 mapp->key[i].map[j] = 905 omapp->key[i].map[j]; 906 mapp->key[i].spcl = omapp->key[i].spcl; 907 mapp->key[i].flgs = omapp->key[i].flgs; 908 } 909 } else { 910 error = copyin(*(void **)arg, mapp, sizeof *mapp); 911 if (error != 0) { 912 splx(s); 913 free(mapp, M_TEMP); 914 return (error); 915 } 916 } 917 918 error = keymap_change_ok(kbd->kb_keymap, mapp, curthread); 919 if (error != 0) { 920 splx(s); 921 free(mapp, M_TEMP); 922 return (error); 923 } 924 bzero(kbd->kb_accentmap, sizeof(*kbd->kb_accentmap)); 925 bcopy(mapp, kbd->kb_keymap, sizeof(*kbd->kb_keymap)); 926 free(mapp, M_TEMP); 927 break; 928 #else 929 splx(s); 930 return (ENODEV); 931 #endif 932 933 case GIO_KEYMAPENT: /* get keyboard translation table entry */ 934 keyp = (keyarg_t *)arg; 935 if (keyp->keynum >= sizeof(kbd->kb_keymap->key) / 936 sizeof(kbd->kb_keymap->key[0])) { 937 splx(s); 938 return (EINVAL); 939 } 940 bcopy(&kbd->kb_keymap->key[keyp->keynum], &keyp->key, 941 sizeof(keyp->key)); 942 break; 943 case PIO_KEYMAPENT: /* set keyboard translation table entry */ 944 #ifndef KBD_DISABLE_KEYMAP_LOAD 945 keyp = (keyarg_t *)arg; 946 if (keyp->keynum >= sizeof(kbd->kb_keymap->key) / 947 sizeof(kbd->kb_keymap->key[0])) { 948 splx(s); 949 return (EINVAL); 950 } 951 error = key_change_ok(&kbd->kb_keymap->key[keyp->keynum], 952 &keyp->key, curthread); 953 if (error != 0) { 954 splx(s); 955 return (error); 956 } 957 bcopy(&keyp->key, &kbd->kb_keymap->key[keyp->keynum], 958 sizeof(keyp->key)); 959 break; 960 #else 961 splx(s); 962 return (ENODEV); 963 #endif 964 965 case GIO_DEADKEYMAP: /* get accent key translation table */ 966 bcopy(kbd->kb_accentmap, arg, sizeof(*kbd->kb_accentmap)); 967 break; 968 case PIO_DEADKEYMAP: /* set accent key translation table */ 969 #ifndef KBD_DISABLE_KEYMAP_LOAD 970 error = accent_change_ok(kbd->kb_accentmap, 971 (accentmap_t *)arg, curthread); 972 if (error != 0) { 973 splx(s); 974 return (error); 975 } 976 bcopy(arg, kbd->kb_accentmap, sizeof(*kbd->kb_accentmap)); 977 break; 978 #else 979 splx(s); 980 return (ENODEV); 981 #endif 982 983 case GETFKEY: /* get functionkey string */ 984 fkeyp = (fkeyarg_t *)arg; 985 if (fkeyp->keynum >= kbd->kb_fkeytab_size) { 986 splx(s); 987 return (EINVAL); 988 } 989 bcopy(kbd->kb_fkeytab[fkeyp->keynum].str, fkeyp->keydef, 990 kbd->kb_fkeytab[fkeyp->keynum].len); 991 fkeyp->flen = kbd->kb_fkeytab[fkeyp->keynum].len; 992 break; 993 case SETFKEY: /* set functionkey string */ 994 #ifndef KBD_DISABLE_KEYMAP_LOAD 995 fkeyp = (fkeyarg_t *)arg; 996 if (fkeyp->keynum >= kbd->kb_fkeytab_size) { 997 splx(s); 998 return (EINVAL); 999 } 1000 error = fkey_change_ok(&kbd->kb_fkeytab[fkeyp->keynum], 1001 fkeyp, curthread); 1002 if (error != 0) { 1003 splx(s); 1004 return (error); 1005 } 1006 kbd->kb_fkeytab[fkeyp->keynum].len = min(fkeyp->flen, MAXFK); 1007 bcopy(fkeyp->keydef, kbd->kb_fkeytab[fkeyp->keynum].str, 1008 kbd->kb_fkeytab[fkeyp->keynum].len); 1009 break; 1010 #else 1011 splx(s); 1012 return (ENODEV); 1013 #endif 1014 1015 default: 1016 splx(s); 1017 return (ENOIOCTL); 1018 } 1019 1020 splx(s); 1021 return (0); 1022 } 1023 1024 #ifndef KBD_DISABLE_KEYMAP_LOAD 1025 #define RESTRICTED_KEY(key, i) \ 1026 ((key->spcl & (0x80 >> i)) && \ 1027 (key->map[i] == RBT || key->map[i] == SUSP || \ 1028 key->map[i] == STBY || key->map[i] == DBG || \ 1029 key->map[i] == PNC || key->map[i] == HALT || \ 1030 key->map[i] == PDWN)) 1031 1032 static int 1033 key_change_ok(struct keyent_t *oldkey, struct keyent_t *newkey, struct thread *td) 1034 { 1035 int i; 1036 1037 /* Low keymap_restrict_change means any changes are OK. */ 1038 if (keymap_restrict_change <= 0) 1039 return (0); 1040 1041 /* High keymap_restrict_change means only root can change the keymap. */ 1042 if (keymap_restrict_change >= 2) { 1043 for (i = 0; i < NUM_STATES; i++) 1044 if (oldkey->map[i] != newkey->map[i]) 1045 return priv_check(td, PRIV_KEYBOARD); 1046 if (oldkey->spcl != newkey->spcl) 1047 return priv_check(td, PRIV_KEYBOARD); 1048 if (oldkey->flgs != newkey->flgs) 1049 return priv_check(td, PRIV_KEYBOARD); 1050 return (0); 1051 } 1052 1053 /* Otherwise we have to see if any special keys are being changed. */ 1054 for (i = 0; i < NUM_STATES; i++) { 1055 /* 1056 * If either the oldkey or the newkey action is restricted 1057 * then we must make sure that the action doesn't change. 1058 */ 1059 if (!RESTRICTED_KEY(oldkey, i) && !RESTRICTED_KEY(newkey, i)) 1060 continue; 1061 if ((oldkey->spcl & (0x80 >> i)) == (newkey->spcl & (0x80 >> i)) 1062 && oldkey->map[i] == newkey->map[i]) 1063 continue; 1064 return priv_check(td, PRIV_KEYBOARD); 1065 } 1066 1067 return (0); 1068 } 1069 1070 static int 1071 keymap_change_ok(keymap_t *oldmap, keymap_t *newmap, struct thread *td) 1072 { 1073 int keycode, error; 1074 1075 for (keycode = 0; keycode < NUM_KEYS; keycode++) { 1076 if ((error = key_change_ok(&oldmap->key[keycode], 1077 &newmap->key[keycode], td)) != 0) 1078 return (error); 1079 } 1080 return (0); 1081 } 1082 1083 static int 1084 accent_change_ok(accentmap_t *oldmap, accentmap_t *newmap, struct thread *td) 1085 { 1086 struct acc_t *oldacc, *newacc; 1087 int accent, i; 1088 1089 if (keymap_restrict_change <= 2) 1090 return (0); 1091 1092 if (oldmap->n_accs != newmap->n_accs) 1093 return priv_check(td, PRIV_KEYBOARD); 1094 1095 for (accent = 0; accent < oldmap->n_accs; accent++) { 1096 oldacc = &oldmap->acc[accent]; 1097 newacc = &newmap->acc[accent]; 1098 if (oldacc->accchar != newacc->accchar) 1099 return priv_check(td, PRIV_KEYBOARD); 1100 for (i = 0; i < NUM_ACCENTCHARS; ++i) { 1101 if (oldacc->map[i][0] != newacc->map[i][0]) 1102 return priv_check(td, PRIV_KEYBOARD); 1103 if (oldacc->map[i][0] == 0) /* end of table */ 1104 break; 1105 if (oldacc->map[i][1] != newacc->map[i][1]) 1106 return priv_check(td, PRIV_KEYBOARD); 1107 } 1108 } 1109 1110 return (0); 1111 } 1112 1113 static int 1114 fkey_change_ok(fkeytab_t *oldkey, fkeyarg_t *newkey, struct thread *td) 1115 { 1116 if (keymap_restrict_change <= 3) 1117 return (0); 1118 1119 if (oldkey->len != newkey->flen || 1120 bcmp(oldkey->str, newkey->keydef, oldkey->len) != 0) 1121 return priv_check(td, PRIV_KEYBOARD); 1122 1123 return (0); 1124 } 1125 #endif 1126 1127 /* get a pointer to the string associated with the given function key */ 1128 u_char * 1129 genkbd_get_fkeystr(keyboard_t *kbd, int fkey, size_t *len) 1130 { 1131 if (kbd == NULL) 1132 return (NULL); 1133 fkey -= F_FN; 1134 if (fkey > kbd->kb_fkeytab_size) 1135 return (NULL); 1136 *len = kbd->kb_fkeytab[fkey].len; 1137 return (kbd->kb_fkeytab[fkey].str); 1138 } 1139 1140 /* diagnostic dump */ 1141 static char * 1142 get_kbd_type_name(int type) 1143 { 1144 static struct { 1145 int type; 1146 char *name; 1147 } name_table[] = { 1148 { KB_84, "AT 84" }, 1149 { KB_101, "AT 101/102" }, 1150 { KB_OTHER, "generic" }, 1151 }; 1152 int i; 1153 1154 for (i = 0; i < nitems(name_table); ++i) { 1155 if (type == name_table[i].type) 1156 return (name_table[i].name); 1157 } 1158 return ("unknown"); 1159 } 1160 1161 void 1162 genkbd_diag(keyboard_t *kbd, int level) 1163 { 1164 if (level > 0) { 1165 printf("kbd%d: %s%d, %s (%d), config:0x%x, flags:0x%x", 1166 kbd->kb_index, kbd->kb_name, kbd->kb_unit, 1167 get_kbd_type_name(kbd->kb_type), kbd->kb_type, 1168 kbd->kb_config, kbd->kb_flags); 1169 if (kbd->kb_io_base > 0) 1170 printf(", port:0x%x-0x%x", kbd->kb_io_base, 1171 kbd->kb_io_base + kbd->kb_io_size - 1); 1172 printf("\n"); 1173 } 1174 } 1175 1176 #define set_lockkey_state(k, s, l) \ 1177 if (!((s) & l ## DOWN)) { \ 1178 int i; \ 1179 (s) |= l ## DOWN; \ 1180 (s) ^= l ## ED; \ 1181 i = (s) & LOCK_MASK; \ 1182 (void)kbdd_ioctl((k), KDSETLED, (caddr_t)&i); \ 1183 } 1184 1185 static u_int 1186 save_accent_key(keyboard_t *kbd, u_int key, int *accents) 1187 { 1188 int i; 1189 1190 /* make an index into the accent map */ 1191 i = key - F_ACC + 1; 1192 if ((i > kbd->kb_accentmap->n_accs) 1193 || (kbd->kb_accentmap->acc[i - 1].accchar == 0)) { 1194 /* the index is out of range or pointing to an empty entry */ 1195 *accents = 0; 1196 return (ERRKEY); 1197 } 1198 1199 /* 1200 * If the same accent key has been hit twice, produce the accent 1201 * char itself. 1202 */ 1203 if (i == *accents) { 1204 key = kbd->kb_accentmap->acc[i - 1].accchar; 1205 *accents = 0; 1206 return (key); 1207 } 1208 1209 /* remember the index and wait for the next key */ 1210 *accents = i; 1211 return (NOKEY); 1212 } 1213 1214 static u_int 1215 make_accent_char(keyboard_t *kbd, u_int ch, int *accents) 1216 { 1217 struct acc_t *acc; 1218 int i; 1219 1220 acc = &kbd->kb_accentmap->acc[*accents - 1]; 1221 *accents = 0; 1222 1223 /* 1224 * If the accent key is followed by the space key, 1225 * produce the accent char itself. 1226 */ 1227 if (ch == ' ') 1228 return (acc->accchar); 1229 1230 /* scan the accent map */ 1231 for (i = 0; i < NUM_ACCENTCHARS; ++i) { 1232 if (acc->map[i][0] == 0) /* end of table */ 1233 break; 1234 if (acc->map[i][0] == ch) 1235 return (acc->map[i][1]); 1236 } 1237 /* this char cannot be accented... */ 1238 return (ERRKEY); 1239 } 1240 1241 int 1242 genkbd_keyaction(keyboard_t *kbd, int keycode, int up, int *shiftstate, 1243 int *accents) 1244 { 1245 struct keyent_t *key; 1246 int state = *shiftstate; 1247 int action; 1248 int f; 1249 int i; 1250 1251 i = keycode; 1252 f = state & (AGRS | ALKED); 1253 if ((f == AGRS1) || (f == AGRS2) || (f == ALKED)) 1254 i += ALTGR_OFFSET; 1255 key = &kbd->kb_keymap->key[i]; 1256 i = ((state & SHIFTS) ? 1 : 0) 1257 | ((state & CTLS) ? 2 : 0) 1258 | ((state & ALTS) ? 4 : 0); 1259 if (((key->flgs & FLAG_LOCK_C) && (state & CLKED)) 1260 || ((key->flgs & FLAG_LOCK_N) && (state & NLKED)) ) 1261 i ^= 1; 1262 1263 if (up) { /* break: key released */ 1264 action = kbd->kb_lastact[keycode]; 1265 kbd->kb_lastact[keycode] = NOP; 1266 switch (action) { 1267 case LSHA: 1268 if (state & SHIFTAON) { 1269 set_lockkey_state(kbd, state, ALK); 1270 state &= ~ALKDOWN; 1271 } 1272 action = LSH; 1273 /* FALL THROUGH */ 1274 case LSH: 1275 state &= ~SHIFTS1; 1276 break; 1277 case RSHA: 1278 if (state & SHIFTAON) { 1279 set_lockkey_state(kbd, state, ALK); 1280 state &= ~ALKDOWN; 1281 } 1282 action = RSH; 1283 /* FALL THROUGH */ 1284 case RSH: 1285 state &= ~SHIFTS2; 1286 break; 1287 case LCTRA: 1288 if (state & SHIFTAON) { 1289 set_lockkey_state(kbd, state, ALK); 1290 state &= ~ALKDOWN; 1291 } 1292 action = LCTR; 1293 /* FALL THROUGH */ 1294 case LCTR: 1295 state &= ~CTLS1; 1296 break; 1297 case RCTRA: 1298 if (state & SHIFTAON) { 1299 set_lockkey_state(kbd, state, ALK); 1300 state &= ~ALKDOWN; 1301 } 1302 action = RCTR; 1303 /* FALL THROUGH */ 1304 case RCTR: 1305 state &= ~CTLS2; 1306 break; 1307 case LALTA: 1308 if (state & SHIFTAON) { 1309 set_lockkey_state(kbd, state, ALK); 1310 state &= ~ALKDOWN; 1311 } 1312 action = LALT; 1313 /* FALL THROUGH */ 1314 case LALT: 1315 state &= ~ALTS1; 1316 break; 1317 case RALTA: 1318 if (state & SHIFTAON) { 1319 set_lockkey_state(kbd, state, ALK); 1320 state &= ~ALKDOWN; 1321 } 1322 action = RALT; 1323 /* FALL THROUGH */ 1324 case RALT: 1325 state &= ~ALTS2; 1326 break; 1327 case ASH: 1328 state &= ~AGRS1; 1329 break; 1330 case META: 1331 state &= ~METAS1; 1332 break; 1333 case NLK: 1334 state &= ~NLKDOWN; 1335 break; 1336 case CLK: 1337 state &= ~CLKDOWN; 1338 break; 1339 case SLK: 1340 state &= ~SLKDOWN; 1341 break; 1342 case ALK: 1343 state &= ~ALKDOWN; 1344 break; 1345 case NOP: 1346 /* release events of regular keys are not reported */ 1347 *shiftstate &= ~SHIFTAON; 1348 return (NOKEY); 1349 } 1350 *shiftstate = state & ~SHIFTAON; 1351 return (SPCLKEY | RELKEY | action); 1352 } else { /* make: key pressed */ 1353 action = key->map[i]; 1354 state &= ~SHIFTAON; 1355 if (key->spcl & (0x80 >> i)) { 1356 /* special keys */ 1357 if (kbd->kb_lastact[keycode] == NOP) 1358 kbd->kb_lastact[keycode] = action; 1359 if (kbd->kb_lastact[keycode] != action) 1360 action = NOP; 1361 switch (action) { 1362 /* LOCKING KEYS */ 1363 case NLK: 1364 set_lockkey_state(kbd, state, NLK); 1365 break; 1366 case CLK: 1367 set_lockkey_state(kbd, state, CLK); 1368 break; 1369 case SLK: 1370 set_lockkey_state(kbd, state, SLK); 1371 break; 1372 case ALK: 1373 set_lockkey_state(kbd, state, ALK); 1374 break; 1375 /* NON-LOCKING KEYS */ 1376 case SPSC: case RBT: case SUSP: case STBY: 1377 case DBG: case NEXT: case PREV: case PNC: 1378 case HALT: case PDWN: 1379 *accents = 0; 1380 break; 1381 case BTAB: 1382 *accents = 0; 1383 action |= BKEY; 1384 break; 1385 case LSHA: 1386 state |= SHIFTAON; 1387 action = LSH; 1388 /* FALL THROUGH */ 1389 case LSH: 1390 state |= SHIFTS1; 1391 break; 1392 case RSHA: 1393 state |= SHIFTAON; 1394 action = RSH; 1395 /* FALL THROUGH */ 1396 case RSH: 1397 state |= SHIFTS2; 1398 break; 1399 case LCTRA: 1400 state |= SHIFTAON; 1401 action = LCTR; 1402 /* FALL THROUGH */ 1403 case LCTR: 1404 state |= CTLS1; 1405 break; 1406 case RCTRA: 1407 state |= SHIFTAON; 1408 action = RCTR; 1409 /* FALL THROUGH */ 1410 case RCTR: 1411 state |= CTLS2; 1412 break; 1413 case LALTA: 1414 state |= SHIFTAON; 1415 action = LALT; 1416 /* FALL THROUGH */ 1417 case LALT: 1418 state |= ALTS1; 1419 break; 1420 case RALTA: 1421 state |= SHIFTAON; 1422 action = RALT; 1423 /* FALL THROUGH */ 1424 case RALT: 1425 state |= ALTS2; 1426 break; 1427 case ASH: 1428 state |= AGRS1; 1429 break; 1430 case META: 1431 state |= METAS1; 1432 break; 1433 case NOP: 1434 *shiftstate = state; 1435 return (NOKEY); 1436 default: 1437 /* is this an accent (dead) key? */ 1438 *shiftstate = state; 1439 if (action >= F_ACC && action <= L_ACC) { 1440 action = save_accent_key(kbd, action, 1441 accents); 1442 switch (action) { 1443 case NOKEY: 1444 case ERRKEY: 1445 return (action); 1446 default: 1447 if (state & METAS) 1448 return (action | MKEY); 1449 else 1450 return (action); 1451 } 1452 /* NOT REACHED */ 1453 } 1454 /* other special keys */ 1455 if (*accents > 0) { 1456 *accents = 0; 1457 return (ERRKEY); 1458 } 1459 if (action >= F_FN && action <= L_FN) 1460 action |= FKEY; 1461 /* XXX: return fkey string for the FKEY? */ 1462 return (SPCLKEY | action); 1463 } 1464 *shiftstate = state; 1465 return (SPCLKEY | action); 1466 } else { 1467 /* regular keys */ 1468 kbd->kb_lastact[keycode] = NOP; 1469 *shiftstate = state; 1470 if (*accents > 0) { 1471 /* make an accented char */ 1472 action = make_accent_char(kbd, action, accents); 1473 if (action == ERRKEY) 1474 return (action); 1475 } 1476 if (state & METAS) 1477 action |= MKEY; 1478 return (action); 1479 } 1480 } 1481 /* NOT REACHED */ 1482 } 1483 1484 void 1485 kbd_ev_event(keyboard_t *kbd, uint16_t type, uint16_t code, int32_t value) 1486 { 1487 int delay[2], led = 0, leds, oleds; 1488 1489 if (type == EV_LED) { 1490 leds = oleds = KBD_LED_VAL(kbd); 1491 switch (code) { 1492 case LED_CAPSL: 1493 led = CLKED; 1494 break; 1495 case LED_NUML: 1496 led = NLKED; 1497 break; 1498 case LED_SCROLLL: 1499 led = SLKED; 1500 break; 1501 } 1502 1503 if (value) 1504 leds |= led; 1505 else 1506 leds &= ~led; 1507 1508 if (leds != oleds) 1509 kbdd_ioctl(kbd, KDSETLED, (caddr_t)&leds); 1510 1511 } else if (type == EV_REP && code == REP_DELAY) { 1512 delay[0] = value; 1513 delay[1] = kbd->kb_delay2; 1514 kbdd_ioctl(kbd, KDSETREPEAT, (caddr_t)delay); 1515 } else if (type == EV_REP && code == REP_PERIOD) { 1516 delay[0] = kbd->kb_delay1; 1517 delay[1] = value; 1518 kbdd_ioctl(kbd, KDSETREPEAT, (caddr_t)delay); 1519 } 1520 } 1521 1522 static void 1523 kbd_drv_init(void) 1524 { 1525 const keyboard_driver_t **list; 1526 const keyboard_driver_t *p; 1527 1528 SET_FOREACH(list, kbddriver_set) { 1529 p = *list; 1530 if (p->kbdsw->get_fkeystr == NULL) 1531 p->kbdsw->get_fkeystr = genkbd_get_fkeystr; 1532 if (p->kbdsw->diag == NULL) 1533 p->kbdsw->diag = genkbd_diag; 1534 } 1535 } 1536 1537 SYSINIT(kbd_drv_init, SI_SUB_DRIVERS, SI_ORDER_FIRST, kbd_drv_init, NULL);
Cache object: 1f7888f43a66636600b99396a9b70da1
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