kbd.c revision 356013
1/*- 2 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer as 10 * the first lines of this file unmodified. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 */ 27 28#include <sys/cdefs.h> 29__FBSDID("$FreeBSD: stable/11/sys/dev/kbd/kbd.c 356013 2019-12-22 17:15:48Z kevans $"); 30 31#include "opt_kbd.h" 32 33#include <sys/param.h> 34#include <sys/systm.h> 35#include <sys/kernel.h> 36#include <sys/malloc.h> 37#include <sys/conf.h> 38#include <sys/fcntl.h> 39#include <sys/poll.h> 40#include <sys/priv.h> 41#include <sys/proc.h> 42#include <sys/selinfo.h> 43#include <sys/sysctl.h> 44#include <sys/uio.h> 45 46#include <sys/kbio.h> 47 48#include <dev/kbd/kbdreg.h> 49 50#define KBD_INDEX(dev) dev2unit(dev) 51 52#define KB_QSIZE 512 53#define KB_BUFSIZE 64 54 55typedef struct genkbd_softc { 56 int gkb_flags; /* flag/status bits */ 57#define KB_ASLEEP (1 << 0) 58 struct selinfo gkb_rsel; 59 char gkb_q[KB_QSIZE]; /* input queue */ 60 unsigned int gkb_q_start; 61 unsigned int gkb_q_length; 62} genkbd_softc_t; 63 64static SLIST_HEAD(, keyboard_driver) keyboard_drivers = 65 SLIST_HEAD_INITIALIZER(keyboard_drivers); 66 67SET_DECLARE(kbddriver_set, const keyboard_driver_t); 68 69/* local arrays */ 70 71/* 72 * We need at least one entry each in order to initialize a keyboard 73 * for the kernel console. The arrays will be increased dynamically 74 * when necessary. 75 */ 76 77static int keyboards = 1; 78static keyboard_t *kbd_ini; 79static keyboard_t **keyboard = &kbd_ini; 80static keyboard_switch_t *kbdsw_ini; 81 keyboard_switch_t **kbdsw = &kbdsw_ini; 82 83static int keymap_restrict_change; 84static SYSCTL_NODE(_hw, OID_AUTO, kbd, CTLFLAG_RD, 0, "kbd"); 85SYSCTL_INT(_hw_kbd, OID_AUTO, keymap_restrict_change, CTLFLAG_RW, 86 &keymap_restrict_change, 0, "restrict ability to change keymap"); 87 88#define ARRAY_DELTA 4 89 90static int 91kbd_realloc_array(void) 92{ 93 keyboard_t **new_kbd; 94 keyboard_switch_t **new_kbdsw; 95 int newsize; 96 int s; 97 98 s = spltty(); 99 newsize = rounddown(keyboards + ARRAY_DELTA, ARRAY_DELTA); 100 new_kbd = malloc(sizeof(*new_kbd)*newsize, M_DEVBUF, M_NOWAIT|M_ZERO); 101 if (new_kbd == NULL) { 102 splx(s); 103 return (ENOMEM); 104 } 105 new_kbdsw = malloc(sizeof(*new_kbdsw)*newsize, M_DEVBUF, 106 M_NOWAIT|M_ZERO); 107 if (new_kbdsw == NULL) { 108 free(new_kbd, M_DEVBUF); 109 splx(s); 110 return (ENOMEM); 111 } 112 bcopy(keyboard, new_kbd, sizeof(*keyboard)*keyboards); 113 bcopy(kbdsw, new_kbdsw, sizeof(*kbdsw)*keyboards); 114 if (keyboards > 1) { 115 free(keyboard, M_DEVBUF); 116 free(kbdsw, M_DEVBUF); 117 } 118 keyboard = new_kbd; 119 kbdsw = new_kbdsw; 120 keyboards = newsize; 121 splx(s); 122 123 if (bootverbose) 124 printf("kbd: new array size %d\n", keyboards); 125 126 return (0); 127} 128 129/* 130 * Low-level keyboard driver functions 131 * Keyboard subdrivers, such as the AT keyboard driver and the USB keyboard 132 * driver, call these functions to initialize the keyboard_t structure 133 * and register it to the virtual keyboard driver `kbd'. 134 */ 135 136/* initialize the keyboard_t structure */ 137void 138kbd_init_struct(keyboard_t *kbd, char *name, int type, int unit, int config, 139 int port, int port_size) 140{ 141 kbd->kb_flags = KB_NO_DEVICE; /* device has not been found */ 142 kbd->kb_name = name; 143 kbd->kb_type = type; 144 kbd->kb_unit = unit; 145 kbd->kb_config = config & ~KB_CONF_PROBE_ONLY; 146 kbd->kb_led = 0; /* unknown */ 147 kbd->kb_io_base = port; 148 kbd->kb_io_size = port_size; 149 kbd->kb_data = NULL; 150 kbd->kb_keymap = NULL; 151 kbd->kb_accentmap = NULL; 152 kbd->kb_fkeytab = NULL; 153 kbd->kb_fkeytab_size = 0; 154 kbd->kb_delay1 = KB_DELAY1; /* these values are advisory only */ 155 kbd->kb_delay2 = KB_DELAY2; 156 kbd->kb_count = 0L; 157 bzero(kbd->kb_lastact, sizeof(kbd->kb_lastact)); 158} 159 160void 161kbd_set_maps(keyboard_t *kbd, keymap_t *keymap, accentmap_t *accmap, 162 fkeytab_t *fkeymap, int fkeymap_size) 163{ 164 kbd->kb_keymap = keymap; 165 kbd->kb_accentmap = accmap; 166 kbd->kb_fkeytab = fkeymap; 167 kbd->kb_fkeytab_size = fkeymap_size; 168} 169 170/* declare a new keyboard driver */ 171int 172kbd_add_driver(keyboard_driver_t *driver) 173{ 174 if (SLIST_NEXT(driver, link)) 175 return (EINVAL); 176 if (driver->kbdsw->get_fkeystr == NULL) 177 driver->kbdsw->get_fkeystr = genkbd_get_fkeystr; 178 if (driver->kbdsw->diag == NULL) 179 driver->kbdsw->diag = genkbd_diag; 180 SLIST_INSERT_HEAD(&keyboard_drivers, driver, link); 181 return (0); 182} 183 184int 185kbd_delete_driver(keyboard_driver_t *driver) 186{ 187 SLIST_REMOVE(&keyboard_drivers, driver, keyboard_driver, link); 188 SLIST_NEXT(driver, link) = NULL; 189 return (0); 190} 191 192/* register a keyboard and associate it with a function table */ 193int 194kbd_register(keyboard_t *kbd) 195{ 196 const keyboard_driver_t **list; 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 keyboard[index] = kbd; 224 kbdsw[index] = p->kbdsw; 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 SET_FOREACH(list, kbddriver_set) { 238 p = *list; 239 if (strcmp(p->name, kbd->kb_name) == 0) { 240 keyboard[index] = kbd; 241 kbdsw[index] = p->kbdsw; 242 243 if (mux != NULL) { 244 bzero(&ki, sizeof(ki)); 245 strcpy(ki.kb_name, kbd->kb_name); 246 ki.kb_unit = kbd->kb_unit; 247 248 (void)kbdd_ioctl(mux, KBADDKBD, (caddr_t) &ki); 249 } 250 251 return (index); 252 } 253 } 254 255 return (-1); 256} 257 258int 259kbd_unregister(keyboard_t *kbd) 260{ 261 int error; 262 int s; 263 264 if ((kbd->kb_index < 0) || (kbd->kb_index >= keyboards)) 265 return (ENOENT); 266 if (keyboard[kbd->kb_index] != kbd) 267 return (ENOENT); 268 269 s = spltty(); 270 if (KBD_IS_BUSY(kbd)) { 271 error = (*kbd->kb_callback.kc_func)(kbd, KBDIO_UNLOADING, 272 kbd->kb_callback.kc_arg); 273 if (error) { 274 splx(s); 275 return (error); 276 } 277 if (KBD_IS_BUSY(kbd)) { 278 splx(s); 279 return (EBUSY); 280 } 281 } 282 KBD_INVALID(kbd); 283 keyboard[kbd->kb_index] = NULL; 284 kbdsw[kbd->kb_index] = NULL; 285 286 splx(s); 287 return (0); 288} 289 290/* find a function table by the driver name */ 291keyboard_switch_t * 292kbd_get_switch(char *driver) 293{ 294 const keyboard_driver_t **list; 295 const keyboard_driver_t *p; 296 297 SLIST_FOREACH(p, &keyboard_drivers, link) { 298 if (strcmp(p->name, driver) == 0) 299 return (p->kbdsw); 300 } 301 SET_FOREACH(list, kbddriver_set) { 302 p = *list; 303 if (strcmp(p->name, driver) == 0) 304 return (p->kbdsw); 305 } 306 307 return (NULL); 308} 309 310/* 311 * Keyboard client functions 312 * Keyboard clients, such as the console driver `syscons' and the keyboard 313 * cdev driver, use these functions to claim and release a keyboard for 314 * exclusive use. 315 */ 316 317/* 318 * find the keyboard specified by a driver name and a unit number 319 * starting at given index 320 */ 321int 322kbd_find_keyboard2(char *driver, int unit, int index) 323{ 324 int i; 325 326 if ((index < 0) || (index >= keyboards)) 327 return (-1); 328 329 for (i = index; i < keyboards; ++i) { 330 if (keyboard[i] == NULL) 331 continue; 332 if (!KBD_IS_VALID(keyboard[i])) 333 continue; 334 if (strcmp("*", driver) && strcmp(keyboard[i]->kb_name, driver)) 335 continue; 336 if ((unit != -1) && (keyboard[i]->kb_unit != unit)) 337 continue; 338 return (i); 339 } 340 341 return (-1); 342} 343 344/* find the keyboard specified by a driver name and a unit number */ 345int 346kbd_find_keyboard(char *driver, int unit) 347{ 348 return (kbd_find_keyboard2(driver, unit, 0)); 349} 350 351/* allocate a keyboard */ 352int 353kbd_allocate(char *driver, int unit, void *id, kbd_callback_func_t *func, 354 void *arg) 355{ 356 int index; 357 int s; 358 359 if (func == NULL) 360 return (-1); 361 362 s = spltty(); 363 index = kbd_find_keyboard(driver, unit); 364 if (index >= 0) { 365 if (KBD_IS_BUSY(keyboard[index])) { 366 splx(s); 367 return (-1); 368 } 369 keyboard[index]->kb_token = id; 370 KBD_BUSY(keyboard[index]); 371 keyboard[index]->kb_callback.kc_func = func; 372 keyboard[index]->kb_callback.kc_arg = arg; 373 kbdd_clear_state(keyboard[index]); 374 } 375 splx(s); 376 return (index); 377} 378 379int 380kbd_release(keyboard_t *kbd, void *id) 381{ 382 int error; 383 int s; 384 385 s = spltty(); 386 if (!KBD_IS_VALID(kbd) || !KBD_IS_BUSY(kbd)) { 387 error = EINVAL; 388 } else if (kbd->kb_token != id) { 389 error = EPERM; 390 } else { 391 kbd->kb_token = NULL; 392 KBD_UNBUSY(kbd); 393 kbd->kb_callback.kc_func = NULL; 394 kbd->kb_callback.kc_arg = NULL; 395 kbdd_clear_state(kbd); 396 error = 0; 397 } 398 splx(s); 399 return (error); 400} 401 402int 403kbd_change_callback(keyboard_t *kbd, void *id, kbd_callback_func_t *func, 404 void *arg) 405{ 406 int error; 407 int s; 408 409 s = spltty(); 410 if (!KBD_IS_VALID(kbd) || !KBD_IS_BUSY(kbd)) { 411 error = EINVAL; 412 } else if (kbd->kb_token != id) { 413 error = EPERM; 414 } else if (func == NULL) { 415 error = EINVAL; 416 } else { 417 kbd->kb_callback.kc_func = func; 418 kbd->kb_callback.kc_arg = arg; 419 error = 0; 420 } 421 splx(s); 422 return (error); 423} 424 425/* get a keyboard structure */ 426keyboard_t * 427kbd_get_keyboard(int index) 428{ 429 if ((index < 0) || (index >= keyboards)) 430 return (NULL); 431 if (keyboard[index] == NULL) 432 return (NULL); 433 if (!KBD_IS_VALID(keyboard[index])) 434 return (NULL); 435 return (keyboard[index]); 436} 437 438/* 439 * The back door for the console driver; configure keyboards 440 * This function is for the kernel console to initialize keyboards 441 * at very early stage. 442 */ 443 444int 445kbd_configure(int flags) 446{ 447 const keyboard_driver_t **list; 448 const keyboard_driver_t *p; 449 450 SLIST_FOREACH(p, &keyboard_drivers, link) { 451 if (p->configure != NULL) 452 (*p->configure)(flags); 453 } 454 SET_FOREACH(list, kbddriver_set) { 455 p = *list; 456 if (p->configure != NULL) 457 (*p->configure)(flags); 458 } 459 460 return (0); 461} 462 463#ifdef KBD_INSTALL_CDEV 464 465/* 466 * Virtual keyboard cdev driver functions 467 * The virtual keyboard driver dispatches driver functions to 468 * appropriate subdrivers. 469 */ 470 471#define KBD_UNIT(dev) dev2unit(dev) 472 473static d_open_t genkbdopen; 474static d_close_t genkbdclose; 475static d_read_t genkbdread; 476static d_write_t genkbdwrite; 477static d_ioctl_t genkbdioctl; 478static d_poll_t genkbdpoll; 479 480 481static struct cdevsw kbd_cdevsw = { 482 .d_version = D_VERSION, 483 .d_flags = D_NEEDGIANT, 484 .d_open = genkbdopen, 485 .d_close = genkbdclose, 486 .d_read = genkbdread, 487 .d_write = genkbdwrite, 488 .d_ioctl = genkbdioctl, 489 .d_poll = genkbdpoll, 490 .d_name = "kbd", 491}; 492 493int 494kbd_attach(keyboard_t *kbd) 495{ 496 497 if (kbd->kb_index >= keyboards) 498 return (EINVAL); 499 if (keyboard[kbd->kb_index] != kbd) 500 return (EINVAL); 501 502 kbd->kb_dev = make_dev(&kbd_cdevsw, kbd->kb_index, UID_ROOT, GID_WHEEL, 503 0600, "%s%r", kbd->kb_name, kbd->kb_unit); 504 make_dev_alias(kbd->kb_dev, "kbd%r", kbd->kb_index); 505 kbd->kb_dev->si_drv1 = malloc(sizeof(genkbd_softc_t), M_DEVBUF, 506 M_WAITOK | M_ZERO); 507 printf("kbd%d at %s%d\n", kbd->kb_index, kbd->kb_name, kbd->kb_unit); 508 return (0); 509} 510 511int 512kbd_detach(keyboard_t *kbd) 513{ 514 515 if (kbd->kb_index >= keyboards) 516 return (EINVAL); 517 if (keyboard[kbd->kb_index] != kbd) 518 return (EINVAL); 519 520 free(kbd->kb_dev->si_drv1, M_DEVBUF); 521 destroy_dev(kbd->kb_dev); 522 523 return (0); 524} 525 526/* 527 * Generic keyboard cdev driver functions 528 * Keyboard subdrivers may call these functions to implement common 529 * driver functions. 530 */ 531 532static void 533genkbd_putc(genkbd_softc_t *sc, char c) 534{ 535 unsigned int p; 536 537 if (sc->gkb_q_length == KB_QSIZE) 538 return; 539 540 p = (sc->gkb_q_start + sc->gkb_q_length) % KB_QSIZE; 541 sc->gkb_q[p] = c; 542 sc->gkb_q_length++; 543} 544 545static size_t 546genkbd_getc(genkbd_softc_t *sc, char *buf, size_t len) 547{ 548 549 /* Determine copy size. */ 550 if (sc->gkb_q_length == 0) 551 return (0); 552 if (len >= sc->gkb_q_length) 553 len = sc->gkb_q_length; 554 if (len >= KB_QSIZE - sc->gkb_q_start) 555 len = KB_QSIZE - sc->gkb_q_start; 556 557 /* Copy out data and progress offset. */ 558 memcpy(buf, sc->gkb_q + sc->gkb_q_start, len); 559 sc->gkb_q_start = (sc->gkb_q_start + len) % KB_QSIZE; 560 sc->gkb_q_length -= len; 561 562 return (len); 563} 564 565static kbd_callback_func_t genkbd_event; 566 567static int 568genkbdopen(struct cdev *dev, int mode, int flag, struct thread *td) 569{ 570 keyboard_t *kbd; 571 genkbd_softc_t *sc; 572 int s; 573 int i; 574 575 s = spltty(); 576 sc = dev->si_drv1; 577 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 578 if ((sc == NULL) || (kbd == NULL) || !KBD_IS_VALID(kbd)) { 579 splx(s); 580 return (ENXIO); 581 } 582 i = kbd_allocate(kbd->kb_name, kbd->kb_unit, sc, 583 genkbd_event, (void *)sc); 584 if (i < 0) { 585 splx(s); 586 return (EBUSY); 587 } 588 /* assert(i == kbd->kb_index) */ 589 /* assert(kbd == kbd_get_keyboard(i)) */ 590 591 /* 592 * NOTE: even when we have successfully claimed a keyboard, 593 * the device may still be missing (!KBD_HAS_DEVICE(kbd)). 594 */ 595 596 sc->gkb_q_length = 0; 597 splx(s); 598 599 return (0); 600} 601 602static int 603genkbdclose(struct cdev *dev, int mode, int flag, struct thread *td) 604{ 605 keyboard_t *kbd; 606 genkbd_softc_t *sc; 607 int s; 608 609 /* 610 * NOTE: the device may have already become invalid. 611 * kbd == NULL || !KBD_IS_VALID(kbd) 612 */ 613 s = spltty(); 614 sc = dev->si_drv1; 615 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 616 if ((sc == NULL) || (kbd == NULL) || !KBD_IS_VALID(kbd)) { 617 /* XXX: we shall be forgiving and don't report error... */ 618 } else { 619 kbd_release(kbd, (void *)sc); 620 } 621 splx(s); 622 return (0); 623} 624 625static int 626genkbdread(struct cdev *dev, struct uio *uio, int flag) 627{ 628 keyboard_t *kbd; 629 genkbd_softc_t *sc; 630 u_char buffer[KB_BUFSIZE]; 631 int len; 632 int error; 633 int s; 634 635 /* wait for input */ 636 s = spltty(); 637 sc = dev->si_drv1; 638 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 639 if ((sc == NULL) || (kbd == NULL) || !KBD_IS_VALID(kbd)) { 640 splx(s); 641 return (ENXIO); 642 } 643 while (sc->gkb_q_length == 0) { 644 if (flag & O_NONBLOCK) { 645 splx(s); 646 return (EWOULDBLOCK); 647 } 648 sc->gkb_flags |= KB_ASLEEP; 649 error = tsleep(sc, PZERO | PCATCH, "kbdrea", 0); 650 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 651 if ((kbd == NULL) || !KBD_IS_VALID(kbd)) { 652 splx(s); 653 return (ENXIO); /* our keyboard has gone... */ 654 } 655 if (error) { 656 sc->gkb_flags &= ~KB_ASLEEP; 657 splx(s); 658 return (error); 659 } 660 } 661 splx(s); 662 663 /* copy as much input as possible */ 664 error = 0; 665 while (uio->uio_resid > 0) { 666 len = imin(uio->uio_resid, sizeof(buffer)); 667 len = genkbd_getc(sc, buffer, len); 668 if (len <= 0) 669 break; 670 error = uiomove(buffer, len, uio); 671 if (error) 672 break; 673 } 674 675 return (error); 676} 677 678static int 679genkbdwrite(struct cdev *dev, struct uio *uio, int flag) 680{ 681 keyboard_t *kbd; 682 683 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 684 if ((kbd == NULL) || !KBD_IS_VALID(kbd)) 685 return (ENXIO); 686 return (ENODEV); 687} 688 689static int 690genkbdioctl(struct cdev *dev, u_long cmd, caddr_t arg, int flag, struct thread *td) 691{ 692 keyboard_t *kbd; 693 int error; 694 695 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 696 if ((kbd == NULL) || !KBD_IS_VALID(kbd)) 697 return (ENXIO); 698 error = kbdd_ioctl(kbd, cmd, arg); 699 if (error == ENOIOCTL) 700 error = ENODEV; 701 return (error); 702} 703 704static int 705genkbdpoll(struct cdev *dev, int events, struct thread *td) 706{ 707 keyboard_t *kbd; 708 genkbd_softc_t *sc; 709 int revents; 710 int s; 711 712 revents = 0; 713 s = spltty(); 714 sc = dev->si_drv1; 715 kbd = kbd_get_keyboard(KBD_INDEX(dev)); 716 if ((sc == NULL) || (kbd == NULL) || !KBD_IS_VALID(kbd)) { 717 revents = POLLHUP; /* the keyboard has gone */ 718 } else if (events & (POLLIN | POLLRDNORM)) { 719 if (sc->gkb_q_length > 0) 720 revents = events & (POLLIN | POLLRDNORM); 721 else 722 selrecord(td, &sc->gkb_rsel); 723 } 724 splx(s); 725 return (revents); 726} 727 728static int 729genkbd_event(keyboard_t *kbd, int event, void *arg) 730{ 731 genkbd_softc_t *sc; 732 size_t len; 733 u_char *cp; 734 int mode; 735 u_int c; 736 737 /* assert(KBD_IS_VALID(kbd)) */ 738 sc = (genkbd_softc_t *)arg; 739 740 switch (event) { 741 case KBDIO_KEYINPUT: 742 break; 743 case KBDIO_UNLOADING: 744 /* the keyboard is going... */ 745 kbd_release(kbd, (void *)sc); 746 if (sc->gkb_flags & KB_ASLEEP) { 747 sc->gkb_flags &= ~KB_ASLEEP; 748 wakeup(sc); 749 } 750 selwakeuppri(&sc->gkb_rsel, PZERO); 751 return (0); 752 default: 753 return (EINVAL); 754 } 755 756 /* obtain the current key input mode */ 757 if (kbdd_ioctl(kbd, KDGKBMODE, (caddr_t)&mode)) 758 mode = K_XLATE; 759 760 /* read all pending input */ 761 while (kbdd_check_char(kbd)) { 762 c = kbdd_read_char(kbd, FALSE); 763 if (c == NOKEY) 764 continue; 765 if (c == ERRKEY) /* XXX: ring bell? */ 766 continue; 767 if (!KBD_IS_BUSY(kbd)) 768 /* the device is not open, discard the input */ 769 continue; 770 771 /* store the byte as is for K_RAW and K_CODE modes */ 772 if (mode != K_XLATE) { 773 genkbd_putc(sc, KEYCHAR(c)); 774 continue; 775 } 776 777 /* K_XLATE */ 778 if (c & RELKEY) /* key release is ignored */ 779 continue; 780 781 /* process special keys; most of them are just ignored... */ 782 if (c & SPCLKEY) { 783 switch (KEYCHAR(c)) { 784 default: 785 /* ignore them... */ 786 continue; 787 case BTAB: /* a backtab: ESC [ Z */ 788 genkbd_putc(sc, 0x1b); 789 genkbd_putc(sc, '['); 790 genkbd_putc(sc, 'Z'); 791 continue; 792 } 793 } 794 795 /* normal chars, normal chars with the META, function keys */ 796 switch (KEYFLAGS(c)) { 797 case 0: /* a normal char */ 798 genkbd_putc(sc, KEYCHAR(c)); 799 break; 800 case MKEY: /* the META flag: prepend ESC */ 801 genkbd_putc(sc, 0x1b); 802 genkbd_putc(sc, KEYCHAR(c)); 803 break; 804 case FKEY | SPCLKEY: /* a function key, return string */ 805 cp = kbdd_get_fkeystr(kbd, KEYCHAR(c), &len); 806 if (cp != NULL) { 807 while (len-- > 0) 808 genkbd_putc(sc, *cp++); 809 } 810 break; 811 } 812 } 813 814 /* wake up sleeping/polling processes */ 815 if (sc->gkb_q_length > 0) { 816 if (sc->gkb_flags & KB_ASLEEP) { 817 sc->gkb_flags &= ~KB_ASLEEP; 818 wakeup(sc); 819 } 820 selwakeuppri(&sc->gkb_rsel, PZERO); 821 } 822 823 return (0); 824} 825 826#endif /* KBD_INSTALL_CDEV */ 827 828/* 829 * Generic low-level keyboard functions 830 * The low-level functions in the keyboard subdriver may use these 831 * functions. 832 */ 833 834#ifndef KBD_DISABLE_KEYMAP_LOAD 835static int key_change_ok(struct keyent_t *, struct keyent_t *, struct thread *); 836static int keymap_change_ok(keymap_t *, keymap_t *, struct thread *); 837static int accent_change_ok(accentmap_t *, accentmap_t *, struct thread *); 838static int fkey_change_ok(fkeytab_t *, fkeyarg_t *, struct thread *); 839#endif 840 841int 842genkbd_commonioctl(keyboard_t *kbd, u_long cmd, caddr_t arg) 843{ 844 keymap_t *mapp; 845 okeymap_t *omapp; 846 keyarg_t *keyp; 847 fkeyarg_t *fkeyp; 848 int s; 849 int i, j; 850 int error; 851 852 s = spltty(); 853 switch (cmd) { 854 855 case KDGKBINFO: /* get keyboard information */ 856 ((keyboard_info_t *)arg)->kb_index = kbd->kb_index; 857 i = imin(strlen(kbd->kb_name) + 1, 858 sizeof(((keyboard_info_t *)arg)->kb_name)); 859 bcopy(kbd->kb_name, ((keyboard_info_t *)arg)->kb_name, i); 860 ((keyboard_info_t *)arg)->kb_unit = kbd->kb_unit; 861 ((keyboard_info_t *)arg)->kb_type = kbd->kb_type; 862 ((keyboard_info_t *)arg)->kb_config = kbd->kb_config; 863 ((keyboard_info_t *)arg)->kb_flags = kbd->kb_flags; 864 break; 865 866 case KDGKBTYPE: /* get keyboard type */ 867 *(int *)arg = kbd->kb_type; 868 break; 869 870 case KDGETREPEAT: /* get keyboard repeat rate */ 871 ((int *)arg)[0] = kbd->kb_delay1; 872 ((int *)arg)[1] = kbd->kb_delay2; 873 break; 874 875 case GIO_KEYMAP: /* get keyboard translation table */ 876 error = copyout(kbd->kb_keymap, *(void **)arg, 877 sizeof(keymap_t)); 878 splx(s); 879 return (error); 880 case OGIO_KEYMAP: /* get keyboard translation table (compat) */ 881 mapp = kbd->kb_keymap; 882 omapp = (okeymap_t *)arg; 883 omapp->n_keys = mapp->n_keys; 884 for (i = 0; i < NUM_KEYS; i++) { 885 for (j = 0; j < NUM_STATES; j++) 886 omapp->key[i].map[j] = 887 mapp->key[i].map[j]; 888 omapp->key[i].spcl = mapp->key[i].spcl; 889 omapp->key[i].flgs = mapp->key[i].flgs; 890 } 891 break; 892 case PIO_KEYMAP: /* set keyboard translation table */ 893 case OPIO_KEYMAP: /* set keyboard translation table (compat) */ 894#ifndef KBD_DISABLE_KEYMAP_LOAD 895 mapp = malloc(sizeof *mapp, M_TEMP, M_WAITOK); 896 if (cmd == OPIO_KEYMAP) { 897 omapp = (okeymap_t *)arg; 898 mapp->n_keys = omapp->n_keys; 899 for (i = 0; i < NUM_KEYS; i++) { 900 for (j = 0; j < NUM_STATES; j++) 901 mapp->key[i].map[j] = 902 omapp->key[i].map[j]; 903 mapp->key[i].spcl = omapp->key[i].spcl; 904 mapp->key[i].flgs = omapp->key[i].flgs; 905 } 906 } else { 907 error = copyin(*(void **)arg, mapp, sizeof *mapp); 908 if (error != 0) { 909 splx(s); 910 free(mapp, M_TEMP); 911 return (error); 912 } 913 } 914 915 error = keymap_change_ok(kbd->kb_keymap, mapp, curthread); 916 if (error != 0) { 917 splx(s); 918 free(mapp, M_TEMP); 919 return (error); 920 } 921 bzero(kbd->kb_accentmap, sizeof(*kbd->kb_accentmap)); 922 bcopy(mapp, kbd->kb_keymap, sizeof(*kbd->kb_keymap)); 923 free(mapp, M_TEMP); 924 break; 925#else 926 splx(s); 927 return (ENODEV); 928#endif 929 930 case GIO_KEYMAPENT: /* get keyboard translation table entry */ 931 keyp = (keyarg_t *)arg; 932 if (keyp->keynum >= sizeof(kbd->kb_keymap->key) / 933 sizeof(kbd->kb_keymap->key[0])) { 934 splx(s); 935 return (EINVAL); 936 } 937 bcopy(&kbd->kb_keymap->key[keyp->keynum], &keyp->key, 938 sizeof(keyp->key)); 939 break; 940 case PIO_KEYMAPENT: /* set keyboard translation table entry */ 941#ifndef KBD_DISABLE_KEYMAP_LOAD 942 keyp = (keyarg_t *)arg; 943 if (keyp->keynum >= sizeof(kbd->kb_keymap->key) / 944 sizeof(kbd->kb_keymap->key[0])) { 945 splx(s); 946 return (EINVAL); 947 } 948 error = key_change_ok(&kbd->kb_keymap->key[keyp->keynum], 949 &keyp->key, curthread); 950 if (error != 0) { 951 splx(s); 952 return (error); 953 } 954 bcopy(&keyp->key, &kbd->kb_keymap->key[keyp->keynum], 955 sizeof(keyp->key)); 956 break; 957#else 958 splx(s); 959 return (ENODEV); 960#endif 961 962 case GIO_DEADKEYMAP: /* get accent key translation table */ 963 bcopy(kbd->kb_accentmap, arg, sizeof(*kbd->kb_accentmap)); 964 break; 965 case PIO_DEADKEYMAP: /* set accent key translation table */ 966#ifndef KBD_DISABLE_KEYMAP_LOAD 967 error = accent_change_ok(kbd->kb_accentmap, 968 (accentmap_t *)arg, curthread); 969 if (error != 0) { 970 splx(s); 971 return (error); 972 } 973 bcopy(arg, kbd->kb_accentmap, sizeof(*kbd->kb_accentmap)); 974 break; 975#else 976 splx(s); 977 return (ENODEV); 978#endif 979 980 case GETFKEY: /* get functionkey string */ 981 fkeyp = (fkeyarg_t *)arg; 982 if (fkeyp->keynum >= kbd->kb_fkeytab_size) { 983 splx(s); 984 return (EINVAL); 985 } 986 bcopy(kbd->kb_fkeytab[fkeyp->keynum].str, fkeyp->keydef, 987 kbd->kb_fkeytab[fkeyp->keynum].len); 988 fkeyp->flen = kbd->kb_fkeytab[fkeyp->keynum].len; 989 break; 990 case SETFKEY: /* set functionkey string */ 991#ifndef KBD_DISABLE_KEYMAP_LOAD 992 fkeyp = (fkeyarg_t *)arg; 993 if (fkeyp->keynum >= kbd->kb_fkeytab_size) { 994 splx(s); 995 return (EINVAL); 996 } 997 error = fkey_change_ok(&kbd->kb_fkeytab[fkeyp->keynum], 998 fkeyp, curthread); 999 if (error != 0) { 1000 splx(s); 1001 return (error); 1002 } 1003 kbd->kb_fkeytab[fkeyp->keynum].len = min(fkeyp->flen, MAXFK); 1004 bcopy(fkeyp->keydef, kbd->kb_fkeytab[fkeyp->keynum].str, 1005 kbd->kb_fkeytab[fkeyp->keynum].len); 1006 break; 1007#else 1008 splx(s); 1009 return (ENODEV); 1010#endif 1011 1012 default: 1013 splx(s); 1014 return (ENOIOCTL); 1015 } 1016 1017 splx(s); 1018 return (0); 1019} 1020 1021#ifndef KBD_DISABLE_KEYMAP_LOAD 1022#define RESTRICTED_KEY(key, i) \ 1023 ((key->spcl & (0x80 >> i)) && \ 1024 (key->map[i] == RBT || key->map[i] == SUSP || \ 1025 key->map[i] == STBY || key->map[i] == DBG || \ 1026 key->map[i] == PNC || key->map[i] == HALT || \ 1027 key->map[i] == PDWN)) 1028 1029static int 1030key_change_ok(struct keyent_t *oldkey, struct keyent_t *newkey, struct thread *td) 1031{ 1032 int i; 1033 1034 /* Low keymap_restrict_change means any changes are OK. */ 1035 if (keymap_restrict_change <= 0) 1036 return (0); 1037 1038 /* High keymap_restrict_change means only root can change the keymap. */ 1039 if (keymap_restrict_change >= 2) { 1040 for (i = 0; i < NUM_STATES; i++) 1041 if (oldkey->map[i] != newkey->map[i]) 1042 return priv_check(td, PRIV_KEYBOARD); 1043 if (oldkey->spcl != newkey->spcl) 1044 return priv_check(td, PRIV_KEYBOARD); 1045 if (oldkey->flgs != newkey->flgs) 1046 return priv_check(td, PRIV_KEYBOARD); 1047 return (0); 1048 } 1049 1050 /* Otherwise we have to see if any special keys are being changed. */ 1051 for (i = 0; i < NUM_STATES; i++) { 1052 /* 1053 * If either the oldkey or the newkey action is restricted 1054 * then we must make sure that the action doesn't change. 1055 */ 1056 if (!RESTRICTED_KEY(oldkey, i) && !RESTRICTED_KEY(newkey, i)) 1057 continue; 1058 if ((oldkey->spcl & (0x80 >> i)) == (newkey->spcl & (0x80 >> i)) 1059 && oldkey->map[i] == newkey->map[i]) 1060 continue; 1061 return priv_check(td, PRIV_KEYBOARD); 1062 } 1063 1064 return (0); 1065} 1066 1067static int 1068keymap_change_ok(keymap_t *oldmap, keymap_t *newmap, struct thread *td) 1069{ 1070 int keycode, error; 1071 1072 for (keycode = 0; keycode < NUM_KEYS; keycode++) { 1073 if ((error = key_change_ok(&oldmap->key[keycode], 1074 &newmap->key[keycode], td)) != 0) 1075 return (error); 1076 } 1077 return (0); 1078} 1079 1080static int 1081accent_change_ok(accentmap_t *oldmap, accentmap_t *newmap, struct thread *td) 1082{ 1083 struct acc_t *oldacc, *newacc; 1084 int accent, i; 1085 1086 if (keymap_restrict_change <= 2) 1087 return (0); 1088 1089 if (oldmap->n_accs != newmap->n_accs) 1090 return priv_check(td, PRIV_KEYBOARD); 1091 1092 for (accent = 0; accent < oldmap->n_accs; accent++) { 1093 oldacc = &oldmap->acc[accent]; 1094 newacc = &newmap->acc[accent]; 1095 if (oldacc->accchar != newacc->accchar) 1096 return priv_check(td, PRIV_KEYBOARD); 1097 for (i = 0; i < NUM_ACCENTCHARS; ++i) { 1098 if (oldacc->map[i][0] != newacc->map[i][0]) 1099 return priv_check(td, PRIV_KEYBOARD); 1100 if (oldacc->map[i][0] == 0) /* end of table */ 1101 break; 1102 if (oldacc->map[i][1] != newacc->map[i][1]) 1103 return priv_check(td, PRIV_KEYBOARD); 1104 } 1105 } 1106 1107 return (0); 1108} 1109 1110static int 1111fkey_change_ok(fkeytab_t *oldkey, fkeyarg_t *newkey, struct thread *td) 1112{ 1113 if (keymap_restrict_change <= 3) 1114 return (0); 1115 1116 if (oldkey->len != newkey->flen || 1117 bcmp(oldkey->str, newkey->keydef, oldkey->len) != 0) 1118 return priv_check(td, PRIV_KEYBOARD); 1119 1120 return (0); 1121} 1122#endif 1123 1124/* get a pointer to the string associated with the given function key */ 1125u_char * 1126genkbd_get_fkeystr(keyboard_t *kbd, int fkey, size_t *len) 1127{ 1128 if (kbd == NULL) 1129 return (NULL); 1130 fkey -= F_FN; 1131 if (fkey > kbd->kb_fkeytab_size) 1132 return (NULL); 1133 *len = kbd->kb_fkeytab[fkey].len; 1134 return (kbd->kb_fkeytab[fkey].str); 1135} 1136 1137/* diagnostic dump */ 1138static char * 1139get_kbd_type_name(int type) 1140{ 1141 static struct { 1142 int type; 1143 char *name; 1144 } name_table[] = { 1145 { KB_84, "AT 84" }, 1146 { KB_101, "AT 101/102" }, 1147 { KB_OTHER, "generic" }, 1148 }; 1149 int i; 1150 1151 for (i = 0; i < nitems(name_table); ++i) { 1152 if (type == name_table[i].type) 1153 return (name_table[i].name); 1154 } 1155 return ("unknown"); 1156} 1157 1158void 1159genkbd_diag(keyboard_t *kbd, int level) 1160{ 1161 if (level > 0) { 1162 printf("kbd%d: %s%d, %s (%d), config:0x%x, flags:0x%x", 1163 kbd->kb_index, kbd->kb_name, kbd->kb_unit, 1164 get_kbd_type_name(kbd->kb_type), kbd->kb_type, 1165 kbd->kb_config, kbd->kb_flags); 1166 if (kbd->kb_io_base > 0) 1167 printf(", port:0x%x-0x%x", kbd->kb_io_base, 1168 kbd->kb_io_base + kbd->kb_io_size - 1); 1169 printf("\n"); 1170 } 1171} 1172 1173#define set_lockkey_state(k, s, l) \ 1174 if (!((s) & l ## DOWN)) { \ 1175 int i; \ 1176 (s) |= l ## DOWN; \ 1177 (s) ^= l ## ED; \ 1178 i = (s) & LOCK_MASK; \ 1179 (void)kbdd_ioctl((k), KDSETLED, (caddr_t)&i); \ 1180 } 1181 1182static u_int 1183save_accent_key(keyboard_t *kbd, u_int key, int *accents) 1184{ 1185 int i; 1186 1187 /* make an index into the accent map */ 1188 i = key - F_ACC + 1; 1189 if ((i > kbd->kb_accentmap->n_accs) 1190 || (kbd->kb_accentmap->acc[i - 1].accchar == 0)) { 1191 /* the index is out of range or pointing to an empty entry */ 1192 *accents = 0; 1193 return (ERRKEY); 1194 } 1195 1196 /* 1197 * If the same accent key has been hit twice, produce the accent 1198 * char itself. 1199 */ 1200 if (i == *accents) { 1201 key = kbd->kb_accentmap->acc[i - 1].accchar; 1202 *accents = 0; 1203 return (key); 1204 } 1205 1206 /* remember the index and wait for the next key */ 1207 *accents = i; 1208 return (NOKEY); 1209} 1210 1211static u_int 1212make_accent_char(keyboard_t *kbd, u_int ch, int *accents) 1213{ 1214 struct acc_t *acc; 1215 int i; 1216 1217 acc = &kbd->kb_accentmap->acc[*accents - 1]; 1218 *accents = 0; 1219 1220 /* 1221 * If the accent key is followed by the space key, 1222 * produce the accent char itself. 1223 */ 1224 if (ch == ' ') 1225 return (acc->accchar); 1226 1227 /* scan the accent map */ 1228 for (i = 0; i < NUM_ACCENTCHARS; ++i) { 1229 if (acc->map[i][0] == 0) /* end of table */ 1230 break; 1231 if (acc->map[i][0] == ch) 1232 return (acc->map[i][1]); 1233 } 1234 /* this char cannot be accented... */ 1235 return (ERRKEY); 1236} 1237 1238int 1239genkbd_keyaction(keyboard_t *kbd, int keycode, int up, int *shiftstate, 1240 int *accents) 1241{ 1242 struct keyent_t *key; 1243 int state = *shiftstate; 1244 int action; 1245 int f; 1246 int i; 1247 1248 i = keycode; 1249 f = state & (AGRS | ALKED); 1250 if ((f == AGRS1) || (f == AGRS2) || (f == ALKED)) 1251 i += ALTGR_OFFSET; 1252 key = &kbd->kb_keymap->key[i]; 1253 i = ((state & SHIFTS) ? 1 : 0) 1254 | ((state & CTLS) ? 2 : 0) 1255 | ((state & ALTS) ? 4 : 0); 1256 if (((key->flgs & FLAG_LOCK_C) && (state & CLKED)) 1257 || ((key->flgs & FLAG_LOCK_N) && (state & NLKED)) ) 1258 i ^= 1; 1259 1260 if (up) { /* break: key released */ 1261 action = kbd->kb_lastact[keycode]; 1262 kbd->kb_lastact[keycode] = NOP; 1263 switch (action) { 1264 case LSHA: 1265 if (state & SHIFTAON) { 1266 set_lockkey_state(kbd, state, ALK); 1267 state &= ~ALKDOWN; 1268 } 1269 action = LSH; 1270 /* FALL THROUGH */ 1271 case LSH: 1272 state &= ~SHIFTS1; 1273 break; 1274 case RSHA: 1275 if (state & SHIFTAON) { 1276 set_lockkey_state(kbd, state, ALK); 1277 state &= ~ALKDOWN; 1278 } 1279 action = RSH; 1280 /* FALL THROUGH */ 1281 case RSH: 1282 state &= ~SHIFTS2; 1283 break; 1284 case LCTRA: 1285 if (state & SHIFTAON) { 1286 set_lockkey_state(kbd, state, ALK); 1287 state &= ~ALKDOWN; 1288 } 1289 action = LCTR; 1290 /* FALL THROUGH */ 1291 case LCTR: 1292 state &= ~CTLS1; 1293 break; 1294 case RCTRA: 1295 if (state & SHIFTAON) { 1296 set_lockkey_state(kbd, state, ALK); 1297 state &= ~ALKDOWN; 1298 } 1299 action = RCTR; 1300 /* FALL THROUGH */ 1301 case RCTR: 1302 state &= ~CTLS2; 1303 break; 1304 case LALTA: 1305 if (state & SHIFTAON) { 1306 set_lockkey_state(kbd, state, ALK); 1307 state &= ~ALKDOWN; 1308 } 1309 action = LALT; 1310 /* FALL THROUGH */ 1311 case LALT: 1312 state &= ~ALTS1; 1313 break; 1314 case RALTA: 1315 if (state & SHIFTAON) { 1316 set_lockkey_state(kbd, state, ALK); 1317 state &= ~ALKDOWN; 1318 } 1319 action = RALT; 1320 /* FALL THROUGH */ 1321 case RALT: 1322 state &= ~ALTS2; 1323 break; 1324 case ASH: 1325 state &= ~AGRS1; 1326 break; 1327 case META: 1328 state &= ~METAS1; 1329 break; 1330 case NLK: 1331 state &= ~NLKDOWN; 1332 break; 1333 case CLK: 1334#ifndef PC98 1335 state &= ~CLKDOWN; 1336#else 1337 state &= ~CLKED; 1338 i = state & LOCK_MASK; 1339 (void)kbdd_ioctl(kbd, KDSETLED, (caddr_t)&i); 1340#endif 1341 break; 1342 case SLK: 1343 state &= ~SLKDOWN; 1344 break; 1345 case ALK: 1346 state &= ~ALKDOWN; 1347 break; 1348 case NOP: 1349 /* release events of regular keys are not reported */ 1350 *shiftstate &= ~SHIFTAON; 1351 return (NOKEY); 1352 } 1353 *shiftstate = state & ~SHIFTAON; 1354 return (SPCLKEY | RELKEY | action); 1355 } else { /* make: key pressed */ 1356 action = key->map[i]; 1357 state &= ~SHIFTAON; 1358 if (key->spcl & (0x80 >> i)) { 1359 /* special keys */ 1360 if (kbd->kb_lastact[keycode] == NOP) 1361 kbd->kb_lastact[keycode] = action; 1362 if (kbd->kb_lastact[keycode] != action) 1363 action = NOP; 1364 switch (action) { 1365 /* LOCKING KEYS */ 1366 case NLK: 1367 set_lockkey_state(kbd, state, NLK); 1368 break; 1369 case CLK: 1370#ifndef PC98 1371 set_lockkey_state(kbd, state, CLK); 1372#else 1373 state |= CLKED; 1374 i = state & LOCK_MASK; 1375 (void)kbdd_ioctl(kbd, KDSETLED, (caddr_t)&i); 1376#endif 1377 break; 1378 case SLK: 1379 set_lockkey_state(kbd, state, SLK); 1380 break; 1381 case ALK: 1382 set_lockkey_state(kbd, state, ALK); 1383 break; 1384 /* NON-LOCKING KEYS */ 1385 case SPSC: case RBT: case SUSP: case STBY: 1386 case DBG: case NEXT: case PREV: case PNC: 1387 case HALT: case PDWN: 1388 *accents = 0; 1389 break; 1390 case BTAB: 1391 *accents = 0; 1392 action |= BKEY; 1393 break; 1394 case LSHA: 1395 state |= SHIFTAON; 1396 action = LSH; 1397 /* FALL THROUGH */ 1398 case LSH: 1399 state |= SHIFTS1; 1400 break; 1401 case RSHA: 1402 state |= SHIFTAON; 1403 action = RSH; 1404 /* FALL THROUGH */ 1405 case RSH: 1406 state |= SHIFTS2; 1407 break; 1408 case LCTRA: 1409 state |= SHIFTAON; 1410 action = LCTR; 1411 /* FALL THROUGH */ 1412 case LCTR: 1413 state |= CTLS1; 1414 break; 1415 case RCTRA: 1416 state |= SHIFTAON; 1417 action = RCTR; 1418 /* FALL THROUGH */ 1419 case RCTR: 1420 state |= CTLS2; 1421 break; 1422 case LALTA: 1423 state |= SHIFTAON; 1424 action = LALT; 1425 /* FALL THROUGH */ 1426 case LALT: 1427 state |= ALTS1; 1428 break; 1429 case RALTA: 1430 state |= SHIFTAON; 1431 action = RALT; 1432 /* FALL THROUGH */ 1433 case RALT: 1434 state |= ALTS2; 1435 break; 1436 case ASH: 1437 state |= AGRS1; 1438 break; 1439 case META: 1440 state |= METAS1; 1441 break; 1442 case NOP: 1443 *shiftstate = state; 1444 return (NOKEY); 1445 default: 1446 /* is this an accent (dead) key? */ 1447 *shiftstate = state; 1448 if (action >= F_ACC && action <= L_ACC) { 1449 action = save_accent_key(kbd, action, 1450 accents); 1451 switch (action) { 1452 case NOKEY: 1453 case ERRKEY: 1454 return (action); 1455 default: 1456 if (state & METAS) 1457 return (action | MKEY); 1458 else 1459 return (action); 1460 } 1461 /* NOT REACHED */ 1462 } 1463 /* other special keys */ 1464 if (*accents > 0) { 1465 *accents = 0; 1466 return (ERRKEY); 1467 } 1468 if (action >= F_FN && action <= L_FN) 1469 action |= FKEY; 1470 /* XXX: return fkey string for the FKEY? */ 1471 return (SPCLKEY | action); 1472 } 1473 *shiftstate = state; 1474 return (SPCLKEY | action); 1475 } else { 1476 /* regular keys */ 1477 kbd->kb_lastact[keycode] = NOP; 1478 *shiftstate = state; 1479 if (*accents > 0) { 1480 /* make an accented char */ 1481 action = make_accent_char(kbd, action, accents); 1482 if (action == ERRKEY) 1483 return (action); 1484 } 1485 if (state & METAS) 1486 action |= MKEY; 1487 return (action); 1488 } 1489 } 1490 /* NOT REACHED */ 1491} 1492 1493static void 1494kbd_drv_init(void) 1495{ 1496 const keyboard_driver_t **list; 1497 const keyboard_driver_t *p; 1498 1499 SET_FOREACH(list, kbddriver_set) { 1500 p = *list; 1501 if (p->kbdsw->get_fkeystr == NULL) 1502 p->kbdsw->get_fkeystr = genkbd_get_fkeystr; 1503 if (p->kbdsw->diag == NULL) 1504 p->kbdsw->diag = genkbd_diag; 1505 } 1506} 1507 1508SYSINIT(kbd_drv_init, SI_SUB_DRIVERS, SI_ORDER_FIRST, kbd_drv_init, NULL); 1509