atkbd.c revision 298307
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: head/sys/dev/atkbdc/atkbd.c 298307 2016-04-19 23:37:24Z pfg $"); 30 31#include "opt_compat.h" 32#include "opt_kbd.h" 33#include "opt_atkbd.h" 34 35#include <sys/param.h> 36#include <sys/systm.h> 37#include <sys/kernel.h> 38#include <sys/bus.h> 39#include <sys/eventhandler.h> 40#include <sys/proc.h> 41#include <sys/limits.h> 42#include <sys/malloc.h> 43 44#include <machine/bus.h> 45#include <machine/resource.h> 46 47#include <sys/kbio.h> 48#include <dev/kbd/kbdreg.h> 49#include <dev/atkbdc/atkbdreg.h> 50#include <dev/atkbdc/atkbdcreg.h> 51 52typedef struct atkbd_state { 53 KBDC kbdc; /* keyboard controller */ 54 int ks_mode; /* input mode (K_XLATE,K_RAW,K_CODE) */ 55 int ks_flags; /* flags */ 56#define COMPOSE (1 << 0) 57 int ks_polling; 58 int ks_state; /* shift/lock key state */ 59 int ks_accents; /* accent key index (> 0) */ 60 u_int ks_composed_char; /* composed char code (> 0) */ 61 u_char ks_prefix; /* AT scan code prefix */ 62 struct callout ks_timer; 63} atkbd_state_t; 64 65static void atkbd_timeout(void *arg); 66static void atkbd_shutdown_final(void *v); 67static int atkbd_reset(KBDC kbdc, int flags, int c); 68 69#define HAS_QUIRK(p, q) (((atkbdc_softc_t *)(p))->quirks & q) 70#define ALLOW_DISABLE_KBD(kbdc) !HAS_QUIRK(kbdc, KBDC_QUIRK_KEEP_ACTIVATED) 71 72#define DEFAULT_DELAY 0x1 /* 500ms */ 73#define DEFAULT_RATE 0x10 /* 14Hz */ 74 75int 76atkbd_probe_unit(device_t dev, int irq, int flags) 77{ 78 keyboard_switch_t *sw; 79 int args[2]; 80 int error; 81 82 sw = kbd_get_switch(ATKBD_DRIVER_NAME); 83 if (sw == NULL) 84 return ENXIO; 85 86 args[0] = device_get_unit(device_get_parent(dev)); 87 args[1] = irq; 88 error = (*sw->probe)(device_get_unit(dev), args, flags); 89 if (error) 90 return error; 91 return 0; 92} 93 94int 95atkbd_attach_unit(device_t dev, keyboard_t **kbd, int irq, int flags) 96{ 97 keyboard_switch_t *sw; 98 atkbd_state_t *state; 99 int args[2]; 100 int error; 101 int unit; 102 103 sw = kbd_get_switch(ATKBD_DRIVER_NAME); 104 if (sw == NULL) 105 return ENXIO; 106 107 /* reset, initialize and enable the device */ 108 unit = device_get_unit(dev); 109 args[0] = device_get_unit(device_get_parent(dev)); 110 args[1] = irq; 111 *kbd = NULL; 112 error = (*sw->probe)(unit, args, flags); 113 if (error) 114 return error; 115 error = (*sw->init)(unit, kbd, args, flags); 116 if (error) 117 return error; 118 (*sw->enable)(*kbd); 119 120#ifdef KBD_INSTALL_CDEV 121 /* attach a virtual keyboard cdev */ 122 error = kbd_attach(*kbd); 123 if (error) 124 return error; 125#endif 126 127 /* 128 * This is a kludge to compensate for lost keyboard interrupts. 129 * A similar code used to be in syscons. See below. XXX 130 */ 131 state = (atkbd_state_t *)(*kbd)->kb_data; 132 callout_init(&state->ks_timer, 0); 133 atkbd_timeout(*kbd); 134 135 if (bootverbose) 136 (*sw->diag)(*kbd, bootverbose); 137 138 EVENTHANDLER_REGISTER(shutdown_final, atkbd_shutdown_final, *kbd, 139 SHUTDOWN_PRI_DEFAULT); 140 141 return 0; 142} 143 144static void 145atkbd_timeout(void *arg) 146{ 147 atkbd_state_t *state; 148 keyboard_t *kbd; 149 int s; 150 151 /* 152 * The original text of the following comments are extracted 153 * from syscons.c (1.287) 154 * 155 * With release 2.1 of the Xaccel server, the keyboard is left 156 * hanging pretty often. Apparently an interrupt from the 157 * keyboard is lost, and I don't know why (yet). 158 * This ugly hack calls the low-level interrupt routine if input 159 * is ready for the keyboard and conveniently hides the problem. XXX 160 * 161 * Try removing anything stuck in the keyboard controller; whether 162 * it's a keyboard scan code or mouse data. The low-level 163 * interrupt routine doesn't read the mouse data directly, 164 * but the keyboard controller driver will, as a side effect. 165 */ 166 /* 167 * And here is bde's original comment about this: 168 * 169 * This is necessary to handle edge triggered interrupts - if we 170 * returned when our IRQ is high due to unserviced input, then there 171 * would be no more keyboard IRQs until the keyboard is reset by 172 * external powers. 173 * 174 * The keyboard apparently unwedges the irq in most cases. 175 */ 176 s = spltty(); 177 kbd = (keyboard_t *)arg; 178 if (kbdd_lock(kbd, TRUE)) { 179 /* 180 * We have seen the lock flag is not set. Let's reset 181 * the flag early, otherwise the LED update routine fails 182 * which may want the lock during the interrupt routine. 183 */ 184 kbdd_lock(kbd, FALSE); 185 if (kbdd_check_char(kbd)) 186 kbdd_intr(kbd, NULL); 187 } 188 splx(s); 189 state = (atkbd_state_t *)kbd->kb_data; 190 callout_reset(&state->ks_timer, hz / 10, atkbd_timeout, arg); 191} 192 193/* LOW-LEVEL */ 194 195#define ATKBD_DEFAULT 0 196 197/* keyboard driver declaration */ 198static int atkbd_configure(int flags); 199static kbd_probe_t atkbd_probe; 200static kbd_init_t atkbd_init; 201static kbd_term_t atkbd_term; 202static kbd_intr_t atkbd_intr; 203static kbd_test_if_t atkbd_test_if; 204static kbd_enable_t atkbd_enable; 205static kbd_disable_t atkbd_disable; 206static kbd_read_t atkbd_read; 207static kbd_check_t atkbd_check; 208static kbd_read_char_t atkbd_read_char; 209static kbd_check_char_t atkbd_check_char; 210static kbd_ioctl_t atkbd_ioctl; 211static kbd_lock_t atkbd_lock; 212static kbd_clear_state_t atkbd_clear_state; 213static kbd_get_state_t atkbd_get_state; 214static kbd_set_state_t atkbd_set_state; 215static kbd_poll_mode_t atkbd_poll; 216 217static keyboard_switch_t atkbdsw = { 218 atkbd_probe, 219 atkbd_init, 220 atkbd_term, 221 atkbd_intr, 222 atkbd_test_if, 223 atkbd_enable, 224 atkbd_disable, 225 atkbd_read, 226 atkbd_check, 227 atkbd_read_char, 228 atkbd_check_char, 229 atkbd_ioctl, 230 atkbd_lock, 231 atkbd_clear_state, 232 atkbd_get_state, 233 atkbd_set_state, 234 genkbd_get_fkeystr, 235 atkbd_poll, 236 genkbd_diag, 237}; 238 239KEYBOARD_DRIVER(atkbd, atkbdsw, atkbd_configure); 240 241/* local functions */ 242static int set_typematic(keyboard_t *kbd); 243static int setup_kbd_port(KBDC kbdc, int port, int intr); 244static int get_kbd_echo(KBDC kbdc); 245static int probe_keyboard(KBDC kbdc, int flags); 246static int init_keyboard(KBDC kbdc, int *type, int flags); 247static int write_kbd(KBDC kbdc, int command, int data); 248static int get_kbd_id(KBDC kbdc); 249static int typematic(int delay, int rate); 250static int typematic_delay(int delay); 251static int typematic_rate(int rate); 252 253/* local variables */ 254 255/* the initial key map, accent map and fkey strings */ 256#ifdef ATKBD_DFLT_KEYMAP 257#define KBD_DFLT_KEYMAP 258#include "atkbdmap.h" 259#endif 260#include <dev/kbd/kbdtables.h> 261 262/* structures for the default keyboard */ 263static keyboard_t default_kbd; 264static atkbd_state_t default_kbd_state; 265static keymap_t default_keymap; 266static accentmap_t default_accentmap; 267static fkeytab_t default_fkeytab[NUM_FKEYS]; 268 269/* 270 * The back door to the keyboard driver! 271 * This function is called by the console driver, via the kbdio module, 272 * to tickle keyboard drivers when the low-level console is being initialized. 273 * Almost nothing in the kernel has been initialied yet. Try to probe 274 * keyboards if possible. 275 * NOTE: because of the way the low-level console is initialized, this routine 276 * may be called more than once!! 277 */ 278static int 279atkbd_configure(int flags) 280{ 281 keyboard_t *kbd; 282 int arg[2]; 283 int i; 284 285 /* 286 * Probe the keyboard controller, if not present or if the driver 287 * is disabled, unregister the keyboard if any. 288 */ 289 if (atkbdc_configure() != 0 || 290 resource_disabled("atkbd", ATKBD_DEFAULT)) { 291 i = kbd_find_keyboard(ATKBD_DRIVER_NAME, ATKBD_DEFAULT); 292 if (i >= 0) { 293 kbd = kbd_get_keyboard(i); 294 kbd_unregister(kbd); 295 kbd->kb_flags &= ~KB_REGISTERED; 296 } 297 return 0; 298 } 299 300 /* XXX: a kludge to obtain the device configuration flags */ 301 if (resource_int_value("atkbd", ATKBD_DEFAULT, "flags", &i) == 0) 302 flags |= i; 303 304 /* probe the default keyboard */ 305 arg[0] = -1; 306 arg[1] = -1; 307 kbd = NULL; 308 if (atkbd_probe(ATKBD_DEFAULT, arg, flags)) 309 return 0; 310 if (atkbd_init(ATKBD_DEFAULT, &kbd, arg, flags)) 311 return 0; 312 313 /* return the number of found keyboards */ 314 return 1; 315} 316 317/* low-level functions */ 318 319/* detect a keyboard */ 320static int 321atkbd_probe(int unit, void *arg, int flags) 322{ 323 KBDC kbdc; 324 int *data = (int *)arg; /* data[0]: controller, data[1]: irq */ 325 326 /* XXX */ 327 if (unit == ATKBD_DEFAULT) { 328 if (KBD_IS_PROBED(&default_kbd)) 329 return 0; 330 } 331 332 kbdc = atkbdc_open(data[0]); 333 if (kbdc == NULL) 334 return ENXIO; 335 if (probe_keyboard(kbdc, flags)) { 336 if (flags & KB_CONF_FAIL_IF_NO_KBD) 337 return ENXIO; 338 } 339 return 0; 340} 341 342/* reset and initialize the device */ 343static int 344atkbd_init(int unit, keyboard_t **kbdp, void *arg, int flags) 345{ 346 keyboard_t *kbd; 347 atkbd_state_t *state; 348 keymap_t *keymap; 349 accentmap_t *accmap; 350 fkeytab_t *fkeymap; 351 int fkeymap_size; 352 int delay[2]; 353 int *data = (int *)arg; /* data[0]: controller, data[1]: irq */ 354 int error, needfree; 355 356 /* XXX */ 357 if (unit == ATKBD_DEFAULT) { 358 *kbdp = kbd = &default_kbd; 359 if (KBD_IS_INITIALIZED(kbd) && KBD_IS_CONFIGURED(kbd)) 360 return 0; 361 state = &default_kbd_state; 362 keymap = &default_keymap; 363 accmap = &default_accentmap; 364 fkeymap = default_fkeytab; 365 fkeymap_size = nitems(default_fkeytab); 366 needfree = 0; 367 } else if (*kbdp == NULL) { 368 *kbdp = kbd = malloc(sizeof(*kbd), M_DEVBUF, M_NOWAIT | M_ZERO); 369 state = malloc(sizeof(*state), M_DEVBUF, M_NOWAIT | M_ZERO); 370 /* NB: these will always be initialized 'cuz !KBD_IS_PROBED */ 371 keymap = malloc(sizeof(key_map), M_DEVBUF, M_NOWAIT); 372 accmap = malloc(sizeof(accent_map), M_DEVBUF, M_NOWAIT); 373 fkeymap = malloc(sizeof(fkey_tab), M_DEVBUF, M_NOWAIT); 374 fkeymap_size = sizeof(fkey_tab)/sizeof(fkey_tab[0]); 375 needfree = 1; 376 if ((kbd == NULL) || (state == NULL) || (keymap == NULL) 377 || (accmap == NULL) || (fkeymap == NULL)) { 378 error = ENOMEM; 379 goto bad; 380 } 381 } else if (KBD_IS_INITIALIZED(*kbdp) && KBD_IS_CONFIGURED(*kbdp)) { 382 return 0; 383 } else { 384 kbd = *kbdp; 385 state = (atkbd_state_t *)kbd->kb_data; 386 bzero(state, sizeof(*state)); 387 keymap = kbd->kb_keymap; 388 accmap = kbd->kb_accentmap; 389 fkeymap = kbd->kb_fkeytab; 390 fkeymap_size = kbd->kb_fkeytab_size; 391 needfree = 0; 392 } 393 394 if (!KBD_IS_PROBED(kbd)) { 395 state->kbdc = atkbdc_open(data[0]); 396 if (state->kbdc == NULL) { 397 error = ENXIO; 398 goto bad; 399 } 400 kbd_init_struct(kbd, ATKBD_DRIVER_NAME, KB_OTHER, unit, flags, 401 0, 0); 402 bcopy(&key_map, keymap, sizeof(key_map)); 403 bcopy(&accent_map, accmap, sizeof(accent_map)); 404 bcopy(fkey_tab, fkeymap, 405 imin(fkeymap_size * sizeof(fkeymap[0]), sizeof(fkey_tab))); 406 kbd_set_maps(kbd, keymap, accmap, fkeymap, fkeymap_size); 407 kbd->kb_data = (void *)state; 408 409 if (probe_keyboard(state->kbdc, flags)) { /* shouldn't happen */ 410 if (flags & KB_CONF_FAIL_IF_NO_KBD) { 411 error = ENXIO; 412 goto bad; 413 } 414 } else { 415 KBD_FOUND_DEVICE(kbd); 416 } 417 atkbd_clear_state(kbd); 418 state->ks_mode = K_XLATE; 419 /* 420 * FIXME: set the initial value for lock keys in ks_state 421 * according to the BIOS data? 422 */ 423 KBD_PROBE_DONE(kbd); 424 } 425 if (!KBD_IS_INITIALIZED(kbd) && !(flags & KB_CONF_PROBE_ONLY)) { 426 kbd->kb_config = flags & ~KB_CONF_PROBE_ONLY; 427 if (KBD_HAS_DEVICE(kbd) 428 && init_keyboard(state->kbdc, &kbd->kb_type, kbd->kb_config) 429 && (kbd->kb_config & KB_CONF_FAIL_IF_NO_KBD)) { 430 kbd_unregister(kbd); 431 error = ENXIO; 432 goto bad; 433 } 434 atkbd_ioctl(kbd, KDSETLED, (caddr_t)&state->ks_state); 435 set_typematic(kbd); 436 delay[0] = kbd->kb_delay1; 437 delay[1] = kbd->kb_delay2; 438 atkbd_ioctl(kbd, KDSETREPEAT, (caddr_t)delay); 439 KBD_INIT_DONE(kbd); 440 } 441 if (!KBD_IS_CONFIGURED(kbd)) { 442 if (kbd_register(kbd) < 0) { 443 error = ENXIO; 444 goto bad; 445 } 446 KBD_CONFIG_DONE(kbd); 447 } 448 449 return 0; 450bad: 451 if (needfree) { 452 if (state != NULL) 453 free(state, M_DEVBUF); 454 if (keymap != NULL) 455 free(keymap, M_DEVBUF); 456 if (accmap != NULL) 457 free(accmap, M_DEVBUF); 458 if (fkeymap != NULL) 459 free(fkeymap, M_DEVBUF); 460 if (kbd != NULL) { 461 free(kbd, M_DEVBUF); 462 *kbdp = NULL; /* insure ref doesn't leak to caller */ 463 } 464 } 465 return error; 466} 467 468/* finish using this keyboard */ 469static int 470atkbd_term(keyboard_t *kbd) 471{ 472 atkbd_state_t *state = (atkbd_state_t *)kbd->kb_data; 473 474 kbd_unregister(kbd); 475 callout_drain(&state->ks_timer); 476 return 0; 477} 478 479/* keyboard interrupt routine */ 480static int 481atkbd_intr(keyboard_t *kbd, void *arg) 482{ 483 atkbd_state_t *state = (atkbd_state_t *)kbd->kb_data; 484 int delay[2]; 485 int c; 486 487 if (!KBD_HAS_DEVICE(kbd)) { 488 /* 489 * The keyboard was not detected before; 490 * it must have been reconnected! 491 */ 492 init_keyboard(state->kbdc, &kbd->kb_type, kbd->kb_config); 493 KBD_FOUND_DEVICE(kbd); 494 atkbd_ioctl(kbd, KDSETLED, (caddr_t)&state->ks_state); 495 set_typematic(kbd); 496 delay[0] = kbd->kb_delay1; 497 delay[1] = kbd->kb_delay2; 498 atkbd_ioctl(kbd, KDSETREPEAT, (caddr_t)delay); 499 } 500 501 if (state->ks_polling) 502 return 0; 503 504 if (KBD_IS_ACTIVE(kbd) && KBD_IS_BUSY(kbd)) { 505 /* let the callback function to process the input */ 506 (*kbd->kb_callback.kc_func)(kbd, KBDIO_KEYINPUT, 507 kbd->kb_callback.kc_arg); 508 } else { 509 /* read and discard the input; no one is waiting for input */ 510 do { 511 c = atkbd_read_char(kbd, FALSE); 512 } while (c != NOKEY); 513 } 514 return 0; 515} 516 517/* test the interface to the device */ 518static int 519atkbd_test_if(keyboard_t *kbd) 520{ 521 int error; 522 int s; 523 524 error = 0; 525 empty_both_buffers(((atkbd_state_t *)kbd->kb_data)->kbdc, 10); 526 s = spltty(); 527 if (!test_controller(((atkbd_state_t *)kbd->kb_data)->kbdc)) 528 error = EIO; 529 else if (test_kbd_port(((atkbd_state_t *)kbd->kb_data)->kbdc) != 0) 530 error = EIO; 531 splx(s); 532 533 return error; 534} 535 536/* 537 * Enable the access to the device; until this function is called, 538 * the client cannot read from the keyboard. 539 */ 540static int 541atkbd_enable(keyboard_t *kbd) 542{ 543 int s; 544 545 s = spltty(); 546 KBD_ACTIVATE(kbd); 547 splx(s); 548 return 0; 549} 550 551/* disallow the access to the device */ 552static int 553atkbd_disable(keyboard_t *kbd) 554{ 555 int s; 556 557 s = spltty(); 558 KBD_DEACTIVATE(kbd); 559 splx(s); 560 return 0; 561} 562 563/* read one byte from the keyboard if it's allowed */ 564static int 565atkbd_read(keyboard_t *kbd, int wait) 566{ 567 int c; 568 569 if (wait) 570 c = read_kbd_data(((atkbd_state_t *)kbd->kb_data)->kbdc); 571 else 572 c = read_kbd_data_no_wait(((atkbd_state_t *)kbd->kb_data)->kbdc); 573 if (c != -1) 574 ++kbd->kb_count; 575 return (KBD_IS_ACTIVE(kbd) ? c : -1); 576} 577 578/* check if data is waiting */ 579static int 580atkbd_check(keyboard_t *kbd) 581{ 582 if (!KBD_IS_ACTIVE(kbd)) 583 return FALSE; 584 return kbdc_data_ready(((atkbd_state_t *)kbd->kb_data)->kbdc); 585} 586 587/* read char from the keyboard */ 588static u_int 589atkbd_read_char(keyboard_t *kbd, int wait) 590{ 591 atkbd_state_t *state; 592 u_int action; 593 int scancode; 594 int keycode; 595 596 state = (atkbd_state_t *)kbd->kb_data; 597next_code: 598 /* do we have a composed char to return? */ 599 if (!(state->ks_flags & COMPOSE) && (state->ks_composed_char > 0)) { 600 action = state->ks_composed_char; 601 state->ks_composed_char = 0; 602 if (action > UCHAR_MAX) 603 return ERRKEY; 604 return action; 605 } 606 607 /* see if there is something in the keyboard port */ 608 if (wait) { 609 do { 610 scancode = read_kbd_data(state->kbdc); 611 } while (scancode == -1); 612 } else { 613 scancode = read_kbd_data_no_wait(state->kbdc); 614 if (scancode == -1) 615 return NOKEY; 616 } 617 ++kbd->kb_count; 618 619#if KBDIO_DEBUG >= 10 620 printf("atkbd_read_char(): scancode:0x%x\n", scancode); 621#endif 622 623 /* return the byte as is for the K_RAW mode */ 624 if (state->ks_mode == K_RAW) 625 return scancode; 626 627 /* translate the scan code into a keycode */ 628 keycode = scancode & 0x7F; 629 switch (state->ks_prefix) { 630 case 0x00: /* normal scancode */ 631 switch(scancode) { 632 case 0xB8: /* left alt (compose key) released */ 633 if (state->ks_flags & COMPOSE) { 634 state->ks_flags &= ~COMPOSE; 635 if (state->ks_composed_char > UCHAR_MAX) 636 state->ks_composed_char = 0; 637 } 638 break; 639 case 0x38: /* left alt (compose key) pressed */ 640 if (!(state->ks_flags & COMPOSE)) { 641 state->ks_flags |= COMPOSE; 642 state->ks_composed_char = 0; 643 } 644 break; 645 case 0xE0: 646 case 0xE1: 647 state->ks_prefix = scancode; 648 goto next_code; 649 } 650 break; 651 case 0xE0: /* 0xE0 prefix */ 652 state->ks_prefix = 0; 653 switch (keycode) { 654 case 0x1C: /* right enter key */ 655 keycode = 0x59; 656 break; 657 case 0x1D: /* right ctrl key */ 658 keycode = 0x5A; 659 break; 660 case 0x35: /* keypad divide key */ 661 keycode = 0x5B; 662 break; 663 case 0x37: /* print scrn key */ 664 keycode = 0x5C; 665 break; 666 case 0x38: /* right alt key (alt gr) */ 667 keycode = 0x5D; 668 break; 669 case 0x46: /* ctrl-pause/break on AT 101 (see below) */ 670 keycode = 0x68; 671 break; 672 case 0x47: /* grey home key */ 673 keycode = 0x5E; 674 break; 675 case 0x48: /* grey up arrow key */ 676 keycode = 0x5F; 677 break; 678 case 0x49: /* grey page up key */ 679 keycode = 0x60; 680 break; 681 case 0x4B: /* grey left arrow key */ 682 keycode = 0x61; 683 break; 684 case 0x4D: /* grey right arrow key */ 685 keycode = 0x62; 686 break; 687 case 0x4F: /* grey end key */ 688 keycode = 0x63; 689 break; 690 case 0x50: /* grey down arrow key */ 691 keycode = 0x64; 692 break; 693 case 0x51: /* grey page down key */ 694 keycode = 0x65; 695 break; 696 case 0x52: /* grey insert key */ 697 keycode = 0x66; 698 break; 699 case 0x53: /* grey delete key */ 700 keycode = 0x67; 701 break; 702 /* the following 3 are only used on the MS "Natural" keyboard */ 703 case 0x5b: /* left Window key */ 704 keycode = 0x69; 705 break; 706 case 0x5c: /* right Window key */ 707 keycode = 0x6a; 708 break; 709 case 0x5d: /* menu key */ 710 keycode = 0x6b; 711 break; 712 case 0x5e: /* power key */ 713 keycode = 0x6d; 714 break; 715 case 0x5f: /* sleep key */ 716 keycode = 0x6e; 717 break; 718 case 0x63: /* wake key */ 719 keycode = 0x6f; 720 break; 721 default: /* ignore everything else */ 722 goto next_code; 723 } 724 break; 725 case 0xE1: /* 0xE1 prefix */ 726 /* 727 * The pause/break key on the 101 keyboard produces: 728 * E1-1D-45 E1-9D-C5 729 * Ctrl-pause/break produces: 730 * E0-46 E0-C6 (See above.) 731 */ 732 state->ks_prefix = 0; 733 if (keycode == 0x1D) 734 state->ks_prefix = 0x1D; 735 goto next_code; 736 /* NOT REACHED */ 737 case 0x1D: /* pause / break */ 738 state->ks_prefix = 0; 739 if (keycode != 0x45) 740 goto next_code; 741 keycode = 0x68; 742 break; 743 } 744 745 if (kbd->kb_type == KB_84) { 746 switch (keycode) { 747 case 0x37: /* *(numpad)/print screen */ 748 if (state->ks_flags & SHIFTS) 749 keycode = 0x5c; /* print screen */ 750 break; 751 case 0x45: /* num lock/pause */ 752 if (state->ks_flags & CTLS) 753 keycode = 0x68; /* pause */ 754 break; 755 case 0x46: /* scroll lock/break */ 756 if (state->ks_flags & CTLS) 757 keycode = 0x6c; /* break */ 758 break; 759 } 760 } else if (kbd->kb_type == KB_101) { 761 switch (keycode) { 762 case 0x5c: /* print screen */ 763 if (state->ks_flags & ALTS) 764 keycode = 0x54; /* sysrq */ 765 break; 766 case 0x68: /* pause/break */ 767 if (state->ks_flags & CTLS) 768 keycode = 0x6c; /* break */ 769 break; 770 } 771 } 772 773 /* return the key code in the K_CODE mode */ 774 if (state->ks_mode == K_CODE) 775 return (keycode | (scancode & 0x80)); 776 777 /* compose a character code */ 778 if (state->ks_flags & COMPOSE) { 779 switch (keycode | (scancode & 0x80)) { 780 /* key pressed, process it */ 781 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ 782 state->ks_composed_char *= 10; 783 state->ks_composed_char += keycode - 0x40; 784 if (state->ks_composed_char > UCHAR_MAX) 785 return ERRKEY; 786 goto next_code; 787 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ 788 state->ks_composed_char *= 10; 789 state->ks_composed_char += keycode - 0x47; 790 if (state->ks_composed_char > UCHAR_MAX) 791 return ERRKEY; 792 goto next_code; 793 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ 794 state->ks_composed_char *= 10; 795 state->ks_composed_char += keycode - 0x4E; 796 if (state->ks_composed_char > UCHAR_MAX) 797 return ERRKEY; 798 goto next_code; 799 case 0x52: /* keypad 0 */ 800 state->ks_composed_char *= 10; 801 if (state->ks_composed_char > UCHAR_MAX) 802 return ERRKEY; 803 goto next_code; 804 805 /* key released, no interest here */ 806 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ 807 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ 808 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ 809 case 0xD2: /* keypad 0 */ 810 goto next_code; 811 812 case 0x38: /* left alt key */ 813 break; 814 815 default: 816 if (state->ks_composed_char > 0) { 817 state->ks_flags &= ~COMPOSE; 818 state->ks_composed_char = 0; 819 return ERRKEY; 820 } 821 break; 822 } 823 } 824 825 /* keycode to key action */ 826 action = genkbd_keyaction(kbd, keycode, scancode & 0x80, 827 &state->ks_state, &state->ks_accents); 828 if (action == NOKEY) 829 goto next_code; 830 else 831 return action; 832} 833 834/* check if char is waiting */ 835static int 836atkbd_check_char(keyboard_t *kbd) 837{ 838 atkbd_state_t *state; 839 840 if (!KBD_IS_ACTIVE(kbd)) 841 return FALSE; 842 state = (atkbd_state_t *)kbd->kb_data; 843 if (!(state->ks_flags & COMPOSE) && (state->ks_composed_char > 0)) 844 return TRUE; 845 return kbdc_data_ready(state->kbdc); 846} 847 848/* some useful control functions */ 849static int 850atkbd_ioctl(keyboard_t *kbd, u_long cmd, caddr_t arg) 851{ 852 /* translate LED_XXX bits into the device specific bits */ 853 static u_char ledmap[8] = { 854 0, 4, 2, 6, 1, 5, 3, 7, 855 }; 856 atkbd_state_t *state = kbd->kb_data; 857 int error; 858 int s; 859 int i; 860#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 861 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 862 int ival; 863#endif 864 865 s = spltty(); 866 switch (cmd) { 867 868 case KDGKBMODE: /* get keyboard mode */ 869 *(int *)arg = state->ks_mode; 870 break; 871#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 872 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 873 case _IO('K', 7): 874 ival = IOCPARM_IVAL(arg); 875 arg = (caddr_t)&ival; 876 /* FALLTHROUGH */ 877#endif 878 case KDSKBMODE: /* set keyboard mode */ 879 switch (*(int *)arg) { 880 case K_XLATE: 881 if (state->ks_mode != K_XLATE) { 882 /* make lock key state and LED state match */ 883 state->ks_state &= ~LOCK_MASK; 884 state->ks_state |= KBD_LED_VAL(kbd); 885 } 886 /* FALLTHROUGH */ 887 case K_RAW: 888 case K_CODE: 889 if (state->ks_mode != *(int *)arg) { 890 atkbd_clear_state(kbd); 891 state->ks_mode = *(int *)arg; 892 } 893 break; 894 default: 895 splx(s); 896 return EINVAL; 897 } 898 break; 899 900 case KDGETLED: /* get keyboard LED */ 901 *(int *)arg = KBD_LED_VAL(kbd); 902 break; 903#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 904 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 905 case _IO('K', 66): 906 ival = IOCPARM_IVAL(arg); 907 arg = (caddr_t)&ival; 908 /* FALLTHROUGH */ 909#endif 910 case KDSETLED: /* set keyboard LED */ 911 /* NOTE: lock key state in ks_state won't be changed */ 912 if (*(int *)arg & ~LOCK_MASK) { 913 splx(s); 914 return EINVAL; 915 } 916 i = *(int *)arg; 917 /* replace CAPS LED with ALTGR LED for ALTGR keyboards */ 918 if (state->ks_mode == K_XLATE && 919 kbd->kb_keymap->n_keys > ALTGR_OFFSET) { 920 if (i & ALKED) 921 i |= CLKED; 922 else 923 i &= ~CLKED; 924 } 925 if (KBD_HAS_DEVICE(kbd)) { 926 error = write_kbd(state->kbdc, KBDC_SET_LEDS, 927 ledmap[i & LED_MASK]); 928 if (error) { 929 splx(s); 930 return error; 931 } 932 } 933 KBD_LED_VAL(kbd) = *(int *)arg; 934 break; 935 936 case KDGKBSTATE: /* get lock key state */ 937 *(int *)arg = state->ks_state & LOCK_MASK; 938 break; 939#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 940 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 941 case _IO('K', 20): 942 ival = IOCPARM_IVAL(arg); 943 arg = (caddr_t)&ival; 944 /* FALLTHROUGH */ 945#endif 946 case KDSKBSTATE: /* set lock key state */ 947 if (*(int *)arg & ~LOCK_MASK) { 948 splx(s); 949 return EINVAL; 950 } 951 state->ks_state &= ~LOCK_MASK; 952 state->ks_state |= *(int *)arg; 953 splx(s); 954 /* set LEDs and quit */ 955 return atkbd_ioctl(kbd, KDSETLED, arg); 956 957 case KDSETREPEAT: /* set keyboard repeat rate (new interface) */ 958 splx(s); 959 if (!KBD_HAS_DEVICE(kbd)) 960 return 0; 961 i = typematic(((int *)arg)[0], ((int *)arg)[1]); 962 error = write_kbd(state->kbdc, KBDC_SET_TYPEMATIC, i); 963 if (error == 0) { 964 kbd->kb_delay1 = typematic_delay(i); 965 kbd->kb_delay2 = typematic_rate(i); 966 } 967 return error; 968 969#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 970 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 971 case _IO('K', 67): 972 ival = IOCPARM_IVAL(arg); 973 arg = (caddr_t)&ival; 974 /* FALLTHROUGH */ 975#endif 976 case KDSETRAD: /* set keyboard repeat rate (old interface) */ 977 splx(s); 978 if (!KBD_HAS_DEVICE(kbd)) 979 return 0; 980 error = write_kbd(state->kbdc, KBDC_SET_TYPEMATIC, *(int *)arg); 981 if (error == 0) { 982 kbd->kb_delay1 = typematic_delay(*(int *)arg); 983 kbd->kb_delay2 = typematic_rate(*(int *)arg); 984 } 985 return error; 986 987 case PIO_KEYMAP: /* set keyboard translation table */ 988 case OPIO_KEYMAP: /* set keyboard translation table (compat) */ 989 case PIO_KEYMAPENT: /* set keyboard translation table entry */ 990 case PIO_DEADKEYMAP: /* set accent key translation table */ 991 state->ks_accents = 0; 992 /* FALLTHROUGH */ 993 default: 994 splx(s); 995 return genkbd_commonioctl(kbd, cmd, arg); 996 } 997 998 splx(s); 999 return 0; 1000} 1001 1002/* lock the access to the keyboard */ 1003static int 1004atkbd_lock(keyboard_t *kbd, int lock) 1005{ 1006 return kbdc_lock(((atkbd_state_t *)kbd->kb_data)->kbdc, lock); 1007} 1008 1009/* clear the internal state of the keyboard */ 1010static void 1011atkbd_clear_state(keyboard_t *kbd) 1012{ 1013 atkbd_state_t *state; 1014 1015 state = (atkbd_state_t *)kbd->kb_data; 1016 state->ks_flags = 0; 1017 state->ks_polling = 0; 1018 state->ks_state &= LOCK_MASK; /* preserve locking key state */ 1019 state->ks_accents = 0; 1020 state->ks_composed_char = 0; 1021#if 0 1022 state->ks_prefix = 0; /* XXX */ 1023#endif 1024} 1025 1026/* save the internal state */ 1027static int 1028atkbd_get_state(keyboard_t *kbd, void *buf, size_t len) 1029{ 1030 if (len == 0) 1031 return sizeof(atkbd_state_t); 1032 if (len < sizeof(atkbd_state_t)) 1033 return -1; 1034 bcopy(kbd->kb_data, buf, sizeof(atkbd_state_t)); 1035 return 0; 1036} 1037 1038/* set the internal state */ 1039static int 1040atkbd_set_state(keyboard_t *kbd, void *buf, size_t len) 1041{ 1042 if (len < sizeof(atkbd_state_t)) 1043 return ENOMEM; 1044 if (((atkbd_state_t *)kbd->kb_data)->kbdc 1045 != ((atkbd_state_t *)buf)->kbdc) 1046 return ENOMEM; 1047 bcopy(buf, kbd->kb_data, sizeof(atkbd_state_t)); 1048 return 0; 1049} 1050 1051static int 1052atkbd_poll(keyboard_t *kbd, int on) 1053{ 1054 atkbd_state_t *state; 1055 int s; 1056 1057 state = (atkbd_state_t *)kbd->kb_data; 1058 s = spltty(); 1059 if (on) 1060 ++state->ks_polling; 1061 else 1062 --state->ks_polling; 1063 splx(s); 1064 return 0; 1065} 1066 1067static void 1068atkbd_shutdown_final(void *v) 1069{ 1070#ifdef __sparc64__ 1071 keyboard_t *kbd = v; 1072 KBDC kbdc = ((atkbd_state_t *)kbd->kb_data)->kbdc; 1073 1074 /* 1075 * Turn off the translation in preparation for handing the keyboard 1076 * over to the OFW as the OBP driver doesn't use translation and 1077 * also doesn't disable it itself resulting in a broken keymap at 1078 * the boot prompt. Also disable the aux port and the interrupts as 1079 * the OBP driver doesn't use them, i.e. polls the keyboard. Not 1080 * disabling the interrupts doesn't cause real problems but the 1081 * responsiveness is a bit better when they are turned off. 1082 */ 1083 send_kbd_command(kbdc, KBDC_DISABLE_KBD); 1084 set_controller_command_byte(kbdc, 1085 KBD_AUX_CONTROL_BITS | KBD_KBD_CONTROL_BITS | KBD_TRANSLATION, 1086 KBD_DISABLE_AUX_PORT | KBD_DISABLE_KBD_INT | KBD_ENABLE_KBD_PORT); 1087 send_kbd_command(kbdc, KBDC_ENABLE_KBD); 1088#endif 1089} 1090 1091static int 1092atkbd_reset(KBDC kbdc, int flags, int c) 1093{ 1094 /* reset keyboard hardware */ 1095 if (!(flags & KB_CONF_NO_RESET) && !reset_kbd(kbdc)) { 1096 /* 1097 * KEYBOARD ERROR 1098 * Keyboard reset may fail either because the keyboard 1099 * doen't exist, or because the keyboard doesn't pass 1100 * the self-test, or the keyboard controller on the 1101 * motherboard and the keyboard somehow fail to shake hands. 1102 * It is just possible, particularly in the last case, 1103 * that the keyboard controller may be left in a hung state. 1104 * test_controller() and test_kbd_port() appear to bring 1105 * the keyboard controller back (I don't know why and how, 1106 * though.) 1107 */ 1108 empty_both_buffers(kbdc, 10); 1109 test_controller(kbdc); 1110 test_kbd_port(kbdc); 1111 /* 1112 * We could disable the keyboard port and interrupt... but, 1113 * the keyboard may still exist (see above). 1114 */ 1115 set_controller_command_byte(kbdc, 1116 ALLOW_DISABLE_KBD(kbdc) ? 0xff : KBD_KBD_CONTROL_BITS, c); 1117 if (bootverbose) 1118 printf("atkbd: failed to reset the keyboard.\n"); 1119 return (EIO); 1120 } 1121 return (0); 1122} 1123 1124/* local functions */ 1125 1126static int 1127set_typematic(keyboard_t *kbd) 1128{ 1129 int val, error; 1130 atkbd_state_t *state = kbd->kb_data; 1131 1132 val = typematic(DEFAULT_DELAY, DEFAULT_RATE); 1133 error = write_kbd(state->kbdc, KBDC_SET_TYPEMATIC, val); 1134 if (error == 0) { 1135 kbd->kb_delay1 = typematic_delay(val); 1136 kbd->kb_delay2 = typematic_rate(val); 1137 } 1138 1139 return (error); 1140} 1141 1142static int 1143setup_kbd_port(KBDC kbdc, int port, int intr) 1144{ 1145 if (!set_controller_command_byte(kbdc, 1146 KBD_KBD_CONTROL_BITS, 1147 ((port) ? KBD_ENABLE_KBD_PORT : KBD_DISABLE_KBD_PORT) 1148 | ((intr) ? KBD_ENABLE_KBD_INT : KBD_DISABLE_KBD_INT))) 1149 return 1; 1150 return 0; 1151} 1152 1153static int 1154get_kbd_echo(KBDC kbdc) 1155{ 1156 /* enable the keyboard port, but disable the keyboard intr. */ 1157 if (setup_kbd_port(kbdc, TRUE, FALSE)) 1158 /* CONTROLLER ERROR: there is very little we can do... */ 1159 return ENXIO; 1160 1161 /* see if something is present */ 1162 write_kbd_command(kbdc, KBDC_ECHO); 1163 if (read_kbd_data(kbdc) != KBD_ECHO) { 1164 empty_both_buffers(kbdc, 10); 1165 test_controller(kbdc); 1166 test_kbd_port(kbdc); 1167 return ENXIO; 1168 } 1169 1170 /* enable the keyboard port and intr. */ 1171 if (setup_kbd_port(kbdc, TRUE, TRUE)) { 1172 /* 1173 * CONTROLLER ERROR 1174 * This is serious; the keyboard intr is left disabled! 1175 */ 1176 return ENXIO; 1177 } 1178 1179 return 0; 1180} 1181 1182static int 1183probe_keyboard(KBDC kbdc, int flags) 1184{ 1185 /* 1186 * Don't try to print anything in this function. The low-level 1187 * console may not have been initialized yet... 1188 */ 1189 int err; 1190 int c; 1191 int m; 1192 1193 if (!kbdc_lock(kbdc, TRUE)) { 1194 /* driver error? */ 1195 return ENXIO; 1196 } 1197 1198 /* temporarily block data transmission from the keyboard */ 1199 write_controller_command(kbdc, KBDC_DISABLE_KBD_PORT); 1200 1201 /* flush any noise in the buffer */ 1202 empty_both_buffers(kbdc, 100); 1203 1204 /* save the current keyboard controller command byte */ 1205 m = kbdc_get_device_mask(kbdc) & ~KBD_KBD_CONTROL_BITS; 1206 c = get_controller_command_byte(kbdc); 1207 if (c == -1) { 1208 /* CONTROLLER ERROR */ 1209 kbdc_set_device_mask(kbdc, m); 1210 kbdc_lock(kbdc, FALSE); 1211 return ENXIO; 1212 } 1213 1214 /* 1215 * The keyboard may have been screwed up by the boot block. 1216 * We may just be able to recover from error by testing the controller 1217 * and the keyboard port. The controller command byte needs to be 1218 * saved before this recovery operation, as some controllers seem 1219 * to set the command byte to particular values. 1220 */ 1221 test_controller(kbdc); 1222 if (!(flags & KB_CONF_NO_PROBE_TEST)) 1223 test_kbd_port(kbdc); 1224 1225 err = get_kbd_echo(kbdc); 1226 1227 /* 1228 * Even if the keyboard doesn't seem to be present (err != 0), 1229 * we shall enable the keyboard port and interrupt so that 1230 * the driver will be operable when the keyboard is attached 1231 * to the system later. It is NOT recommended to hot-plug 1232 * the AT keyboard, but many people do so... 1233 */ 1234 kbdc_set_device_mask(kbdc, m | KBD_KBD_CONTROL_BITS); 1235 setup_kbd_port(kbdc, TRUE, TRUE); 1236#if 0 1237 if (err == 0) { 1238 kbdc_set_device_mask(kbdc, m | KBD_KBD_CONTROL_BITS); 1239 } else { 1240 /* try to restore the command byte as before */ 1241 set_controller_command_byte(kbdc, 1242 ALLOW_DISABLE_KBD(kbdc) ? 0xff : KBD_KBD_CONTROL_BITS, c); 1243 kbdc_set_device_mask(kbdc, m); 1244 } 1245#endif 1246 1247 kbdc_lock(kbdc, FALSE); 1248 return (HAS_QUIRK(kbdc, KBDC_QUIRK_IGNORE_PROBE_RESULT) ? 0 : err); 1249} 1250 1251static int 1252init_keyboard(KBDC kbdc, int *type, int flags) 1253{ 1254 int codeset; 1255 int id; 1256 int c; 1257 1258 if (!kbdc_lock(kbdc, TRUE)) { 1259 /* driver error? */ 1260 return EIO; 1261 } 1262 1263 /* temporarily block data transmission from the keyboard */ 1264 write_controller_command(kbdc, KBDC_DISABLE_KBD_PORT); 1265 1266 /* save the current controller command byte */ 1267 empty_both_buffers(kbdc, 200); 1268 c = get_controller_command_byte(kbdc); 1269 if (c == -1) { 1270 /* CONTROLLER ERROR */ 1271 kbdc_lock(kbdc, FALSE); 1272 printf("atkbd: unable to get the current command byte value.\n"); 1273 return EIO; 1274 } 1275 if (bootverbose) 1276 printf("atkbd: the current kbd controller command byte %04x\n", 1277 c); 1278#if 0 1279 /* override the keyboard lock switch */ 1280 c |= KBD_OVERRIDE_KBD_LOCK; 1281#endif 1282 1283 /* enable the keyboard port, but disable the keyboard intr. */ 1284 if (setup_kbd_port(kbdc, TRUE, FALSE)) { 1285 /* CONTROLLER ERROR: there is very little we can do... */ 1286 printf("atkbd: unable to set the command byte.\n"); 1287 kbdc_lock(kbdc, FALSE); 1288 return EIO; 1289 } 1290 1291 if (HAS_QUIRK(kbdc, KBDC_QUIRK_RESET_AFTER_PROBE) && 1292 atkbd_reset(kbdc, flags, c)) { 1293 kbdc_lock(kbdc, FALSE); 1294 return EIO; 1295 } 1296 1297 /* 1298 * Check if we have an XT keyboard before we attempt to reset it. 1299 * The procedure assumes that the keyboard and the controller have 1300 * been set up properly by BIOS and have not been messed up 1301 * during the boot process. 1302 */ 1303 codeset = -1; 1304 if (flags & KB_CONF_ALT_SCANCODESET) 1305 /* the user says there is a XT keyboard */ 1306 codeset = 1; 1307#ifdef KBD_DETECT_XT_KEYBOARD 1308 else if ((c & KBD_TRANSLATION) == 0) { 1309 /* SET_SCANCODE_SET is not always supported; ignore error */ 1310 if (send_kbd_command_and_data(kbdc, KBDC_SET_SCANCODE_SET, 0) 1311 == KBD_ACK) 1312 codeset = read_kbd_data(kbdc); 1313 } 1314 if (bootverbose) 1315 printf("atkbd: scancode set %d\n", codeset); 1316#endif /* KBD_DETECT_XT_KEYBOARD */ 1317 1318 *type = KB_OTHER; 1319 id = get_kbd_id(kbdc); 1320 switch(id) { 1321 case 0x41ab: /* 101/102/... Enhanced */ 1322 case 0x83ab: /* ditto */ 1323 case 0x54ab: /* SpaceSaver */ 1324 case 0x84ab: /* ditto */ 1325#if 0 1326 case 0x90ab: /* 'G' */ 1327 case 0x91ab: /* 'P' */ 1328 case 0x92ab: /* 'A' */ 1329#endif 1330 *type = KB_101; 1331 break; 1332 case -1: /* AT 84 keyboard doesn't return ID */ 1333 *type = KB_84; 1334 break; 1335 default: 1336 break; 1337 } 1338 if (bootverbose) 1339 printf("atkbd: keyboard ID 0x%x (%d)\n", id, *type); 1340 1341 if (!HAS_QUIRK(kbdc, KBDC_QUIRK_RESET_AFTER_PROBE) && 1342 atkbd_reset(kbdc, flags, c)) { 1343 kbdc_lock(kbdc, FALSE); 1344 return EIO; 1345 } 1346 1347 /* 1348 * Allow us to set the XT_KEYBD flag so that keyboards 1349 * such as those on the IBM ThinkPad laptop computers can be used 1350 * with the standard console driver. 1351 */ 1352 if (codeset == 1) { 1353 if (send_kbd_command_and_data(kbdc, 1354 KBDC_SET_SCANCODE_SET, codeset) == KBD_ACK) { 1355 /* XT kbd doesn't need scan code translation */ 1356 c &= ~KBD_TRANSLATION; 1357 } else { 1358 /* 1359 * KEYBOARD ERROR 1360 * The XT kbd isn't usable unless the proper scan 1361 * code set is selected. 1362 */ 1363 set_controller_command_byte(kbdc, ALLOW_DISABLE_KBD(kbdc) 1364 ? 0xff : KBD_KBD_CONTROL_BITS, c); 1365 kbdc_lock(kbdc, FALSE); 1366 printf("atkbd: unable to set the XT keyboard mode.\n"); 1367 return EIO; 1368 } 1369 } 1370 1371#if defined(__sparc64__) 1372 if (send_kbd_command_and_data( 1373 kbdc, KBDC_SET_SCANCODE_SET, 2) != KBD_ACK) { 1374 printf("atkbd: can't set translation.\n"); 1375 } 1376 c |= KBD_TRANSLATION; 1377#endif 1378 1379 /* 1380 * Some keyboards require a SETLEDS command to be sent after 1381 * the reset command before they will send keystrokes to us 1382 */ 1383 if (HAS_QUIRK(kbdc, KBDC_QUIRK_SETLEDS_ON_INIT) && 1384 send_kbd_command_and_data(kbdc, KBDC_SET_LEDS, 0) != KBD_ACK) { 1385 printf("atkbd: setleds failed\n"); 1386 } 1387 if (!ALLOW_DISABLE_KBD(kbdc)) 1388 send_kbd_command(kbdc, KBDC_ENABLE_KBD); 1389 1390 /* enable the keyboard port and intr. */ 1391 if (!set_controller_command_byte(kbdc, 1392 KBD_KBD_CONTROL_BITS | KBD_TRANSLATION | KBD_OVERRIDE_KBD_LOCK, 1393 (c & (KBD_TRANSLATION | KBD_OVERRIDE_KBD_LOCK)) 1394 | KBD_ENABLE_KBD_PORT | KBD_ENABLE_KBD_INT)) { 1395 /* 1396 * CONTROLLER ERROR 1397 * This is serious; we are left with the disabled 1398 * keyboard intr. 1399 */ 1400 set_controller_command_byte(kbdc, ALLOW_DISABLE_KBD(kbdc) 1401 ? 0xff : (KBD_KBD_CONTROL_BITS | KBD_TRANSLATION | 1402 KBD_OVERRIDE_KBD_LOCK), c); 1403 kbdc_lock(kbdc, FALSE); 1404 printf("atkbd: unable to enable the keyboard port and intr.\n"); 1405 return EIO; 1406 } 1407 1408 kbdc_lock(kbdc, FALSE); 1409 return 0; 1410} 1411 1412static int 1413write_kbd(KBDC kbdc, int command, int data) 1414{ 1415 int s; 1416 1417 /* prevent the timeout routine from polling the keyboard */ 1418 if (!kbdc_lock(kbdc, TRUE)) 1419 return EBUSY; 1420 1421 /* disable the keyboard and mouse interrupt */ 1422 s = spltty(); 1423#if 0 1424 c = get_controller_command_byte(kbdc); 1425 if ((c == -1) 1426 || !set_controller_command_byte(kbdc, 1427 kbdc_get_device_mask(kbdc), 1428 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 1429 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1430 /* CONTROLLER ERROR */ 1431 kbdc_lock(kbdc, FALSE); 1432 splx(s); 1433 return EIO; 1434 } 1435 /* 1436 * Now that the keyboard controller is told not to generate 1437 * the keyboard and mouse interrupts, call `splx()' to allow 1438 * the other tty interrupts. The clock interrupt may also occur, 1439 * but the timeout routine (`scrn_timer()') will be blocked 1440 * by the lock flag set via `kbdc_lock()' 1441 */ 1442 splx(s); 1443#endif 1444 if (send_kbd_command_and_data(kbdc, command, data) != KBD_ACK) 1445 send_kbd_command(kbdc, KBDC_ENABLE_KBD); 1446#if 0 1447 /* restore the interrupts */ 1448 if (!set_controller_command_byte(kbdc, kbdc_get_device_mask(kbdc), 1449 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 1450 /* CONTROLLER ERROR */ 1451 } 1452#else 1453 splx(s); 1454#endif 1455 kbdc_lock(kbdc, FALSE); 1456 1457 return 0; 1458} 1459 1460static int 1461get_kbd_id(KBDC kbdc) 1462{ 1463 int id1, id2; 1464 1465 empty_both_buffers(kbdc, 10); 1466 id1 = id2 = -1; 1467 if (send_kbd_command(kbdc, KBDC_SEND_DEV_ID) != KBD_ACK) 1468 return -1; 1469 1470 DELAY(10000); /* 10 msec delay */ 1471 id1 = read_kbd_data(kbdc); 1472 if (id1 != -1) 1473 id2 = read_kbd_data(kbdc); 1474 1475 if ((id1 == -1) || (id2 == -1)) { 1476 empty_both_buffers(kbdc, 10); 1477 test_controller(kbdc); 1478 test_kbd_port(kbdc); 1479 return -1; 1480 } 1481 return ((id2 << 8) | id1); 1482} 1483 1484static int delays[] = { 250, 500, 750, 1000 }; 1485static int rates[] = { 34, 38, 42, 46, 50, 55, 59, 63, 1486 68, 76, 84, 92, 100, 110, 118, 126, 1487 136, 152, 168, 184, 200, 220, 236, 252, 1488 272, 304, 336, 368, 400, 440, 472, 504 }; 1489 1490static int 1491typematic_delay(int i) 1492{ 1493 return delays[(i >> 5) & 3]; 1494} 1495 1496static int 1497typematic_rate(int i) 1498{ 1499 return rates[i & 0x1f]; 1500} 1501 1502static int 1503typematic(int delay, int rate) 1504{ 1505 int value; 1506 int i; 1507 1508 for (i = nitems(delays) - 1; i > 0; --i) { 1509 if (delay >= delays[i]) 1510 break; 1511 } 1512 value = i << 5; 1513 for (i = nitems(rates) - 1; i > 0; --i) { 1514 if (rate >= rates[i]) 1515 break; 1516 } 1517 value |= i; 1518 return value; 1519} 1520