atkbd.c revision 282269
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 282269 2015-04-30 07:00:25Z royger $"); 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#if defined(__i386__) || defined(__amd64__) 48#include <machine/md_var.h> 49#include <machine/psl.h> 50 51#include <vm/vm.h> 52#include <vm/pmap.h> 53#include <vm/vm_param.h> 54 55#include <isa/isareg.h> 56#endif /* __i386__ || __amd64__ */ 57 58#include <sys/kbio.h> 59#include <dev/kbd/kbdreg.h> 60#include <dev/atkbdc/atkbdreg.h> 61#include <dev/atkbdc/atkbdcreg.h> 62 63typedef struct atkbd_state { 64 KBDC kbdc; /* keyboard controller */ 65 int ks_mode; /* input mode (K_XLATE,K_RAW,K_CODE) */ 66 int ks_flags; /* flags */ 67#define COMPOSE (1 << 0) 68 int ks_polling; 69 int ks_state; /* shift/lock key state */ 70 int ks_accents; /* accent key index (> 0) */ 71 u_int ks_composed_char; /* composed char code (> 0) */ 72 u_char ks_prefix; /* AT scan code prefix */ 73 struct callout ks_timer; 74} atkbd_state_t; 75 76static void atkbd_timeout(void *arg); 77static void atkbd_shutdown_final(void *v); 78static int atkbd_reset(KBDC kbdc, int flags, int c); 79 80#define HAS_QUIRK(p, q) (((atkbdc_softc_t *)(p))->quirks & q) 81#define ALLOW_DISABLE_KBD(kbdc) !HAS_QUIRK(kbdc, KBDC_QUIRK_KEEP_ACTIVATED) 82 83#define DEFAULT_DELAY 0x1 /* 500ms */ 84#define DEFAULT_RATE 0x10 /* 14Hz */ 85 86int 87atkbd_probe_unit(device_t dev, int irq, int flags) 88{ 89 keyboard_switch_t *sw; 90 int args[2]; 91 int error; 92 93 sw = kbd_get_switch(ATKBD_DRIVER_NAME); 94 if (sw == NULL) 95 return ENXIO; 96 97 args[0] = device_get_unit(device_get_parent(dev)); 98 args[1] = irq; 99 error = (*sw->probe)(device_get_unit(dev), args, flags); 100 if (error) 101 return error; 102 return 0; 103} 104 105int 106atkbd_attach_unit(device_t dev, keyboard_t **kbd, int irq, int flags) 107{ 108 keyboard_switch_t *sw; 109 atkbd_state_t *state; 110 int args[2]; 111 int error; 112 int unit; 113 114 sw = kbd_get_switch(ATKBD_DRIVER_NAME); 115 if (sw == NULL) 116 return ENXIO; 117 118 /* reset, initialize and enable the device */ 119 unit = device_get_unit(dev); 120 args[0] = device_get_unit(device_get_parent(dev)); 121 args[1] = irq; 122 *kbd = NULL; 123 error = (*sw->probe)(unit, args, flags); 124 if (error) 125 return error; 126 error = (*sw->init)(unit, kbd, args, flags); 127 if (error) 128 return error; 129 (*sw->enable)(*kbd); 130 131#ifdef KBD_INSTALL_CDEV 132 /* attach a virtual keyboard cdev */ 133 error = kbd_attach(*kbd); 134 if (error) 135 return error; 136#endif 137 138 /* 139 * This is a kludge to compensate for lost keyboard interrupts. 140 * A similar code used to be in syscons. See below. XXX 141 */ 142 state = (atkbd_state_t *)(*kbd)->kb_data; 143 callout_init(&state->ks_timer, 0); 144 atkbd_timeout(*kbd); 145 146 if (bootverbose) 147 (*sw->diag)(*kbd, bootverbose); 148 149 EVENTHANDLER_REGISTER(shutdown_final, atkbd_shutdown_final, *kbd, 150 SHUTDOWN_PRI_DEFAULT); 151 152 return 0; 153} 154 155static void 156atkbd_timeout(void *arg) 157{ 158 atkbd_state_t *state; 159 keyboard_t *kbd; 160 int s; 161 162 /* 163 * The original text of the following comments are extracted 164 * from syscons.c (1.287) 165 * 166 * With release 2.1 of the Xaccel server, the keyboard is left 167 * hanging pretty often. Apparently an interrupt from the 168 * keyboard is lost, and I don't know why (yet). 169 * This ugly hack calls the low-level interrupt routine if input 170 * is ready for the keyboard and conveniently hides the problem. XXX 171 * 172 * Try removing anything stuck in the keyboard controller; whether 173 * it's a keyboard scan code or mouse data. The low-level 174 * interrupt routine doesn't read the mouse data directly, 175 * but the keyboard controller driver will, as a side effect. 176 */ 177 /* 178 * And here is bde's original comment about this: 179 * 180 * This is necessary to handle edge triggered interrupts - if we 181 * returned when our IRQ is high due to unserviced input, then there 182 * would be no more keyboard IRQs until the keyboard is reset by 183 * external powers. 184 * 185 * The keyboard apparently unwedges the irq in most cases. 186 */ 187 s = spltty(); 188 kbd = (keyboard_t *)arg; 189 if (kbdd_lock(kbd, TRUE)) { 190 /* 191 * We have seen the lock flag is not set. Let's reset 192 * the flag early, otherwise the LED update routine fails 193 * which may want the lock during the interrupt routine. 194 */ 195 kbdd_lock(kbd, FALSE); 196 if (kbdd_check_char(kbd)) 197 kbdd_intr(kbd, NULL); 198 } 199 splx(s); 200 state = (atkbd_state_t *)kbd->kb_data; 201 callout_reset(&state->ks_timer, hz / 10, atkbd_timeout, arg); 202} 203 204/* LOW-LEVEL */ 205 206#define ATKBD_DEFAULT 0 207 208/* keyboard driver declaration */ 209static int atkbd_configure(int flags); 210static kbd_probe_t atkbd_probe; 211static kbd_init_t atkbd_init; 212static kbd_term_t atkbd_term; 213static kbd_intr_t atkbd_intr; 214static kbd_test_if_t atkbd_test_if; 215static kbd_enable_t atkbd_enable; 216static kbd_disable_t atkbd_disable; 217static kbd_read_t atkbd_read; 218static kbd_check_t atkbd_check; 219static kbd_read_char_t atkbd_read_char; 220static kbd_check_char_t atkbd_check_char; 221static kbd_ioctl_t atkbd_ioctl; 222static kbd_lock_t atkbd_lock; 223static kbd_clear_state_t atkbd_clear_state; 224static kbd_get_state_t atkbd_get_state; 225static kbd_set_state_t atkbd_set_state; 226static kbd_poll_mode_t atkbd_poll; 227 228static keyboard_switch_t atkbdsw = { 229 atkbd_probe, 230 atkbd_init, 231 atkbd_term, 232 atkbd_intr, 233 atkbd_test_if, 234 atkbd_enable, 235 atkbd_disable, 236 atkbd_read, 237 atkbd_check, 238 atkbd_read_char, 239 atkbd_check_char, 240 atkbd_ioctl, 241 atkbd_lock, 242 atkbd_clear_state, 243 atkbd_get_state, 244 atkbd_set_state, 245 genkbd_get_fkeystr, 246 atkbd_poll, 247 genkbd_diag, 248}; 249 250KEYBOARD_DRIVER(atkbd, atkbdsw, atkbd_configure); 251 252/* local functions */ 253static int set_typematic(keyboard_t *kbd); 254static int setup_kbd_port(KBDC kbdc, int port, int intr); 255static int get_kbd_echo(KBDC kbdc); 256static int probe_keyboard(KBDC kbdc, int flags); 257static int init_keyboard(KBDC kbdc, int *type, int flags); 258static int write_kbd(KBDC kbdc, int command, int data); 259static int get_kbd_id(KBDC kbdc); 260static int typematic(int delay, int rate); 261static int typematic_delay(int delay); 262static int typematic_rate(int rate); 263 264/* local variables */ 265 266/* the initial key map, accent map and fkey strings */ 267#ifdef ATKBD_DFLT_KEYMAP 268#define KBD_DFLT_KEYMAP 269#include "atkbdmap.h" 270#endif 271#include <dev/kbd/kbdtables.h> 272 273/* structures for the default keyboard */ 274static keyboard_t default_kbd; 275static atkbd_state_t default_kbd_state; 276static keymap_t default_keymap; 277static accentmap_t default_accentmap; 278static fkeytab_t default_fkeytab[NUM_FKEYS]; 279 280/* 281 * The back door to the keyboard driver! 282 * This function is called by the console driver, via the kbdio module, 283 * to tickle keyboard drivers when the low-level console is being initialized. 284 * Almost nothing in the kernel has been initialied yet. Try to probe 285 * keyboards if possible. 286 * NOTE: because of the way the low-level console is initialized, this routine 287 * may be called more than once!! 288 */ 289static int 290atkbd_configure(int flags) 291{ 292 keyboard_t *kbd; 293 int arg[2]; 294 int i; 295 296 /* 297 * Probe the keyboard controller, if not present or if the driver 298 * is disabled, unregister the keyboard if any. 299 */ 300 if (atkbdc_configure() != 0 || 301 resource_disabled("atkbd", ATKBD_DEFAULT)) { 302 i = kbd_find_keyboard(ATKBD_DRIVER_NAME, ATKBD_DEFAULT); 303 if (i >= 0) { 304 kbd = kbd_get_keyboard(i); 305 kbd_unregister(kbd); 306 kbd->kb_flags &= ~KB_REGISTERED; 307 } 308 return 0; 309 } 310 311 /* XXX: a kludge to obtain the device configuration flags */ 312 if (resource_int_value("atkbd", ATKBD_DEFAULT, "flags", &i) == 0) 313 flags |= i; 314 315 /* probe the default keyboard */ 316 arg[0] = -1; 317 arg[1] = -1; 318 kbd = NULL; 319 if (atkbd_probe(ATKBD_DEFAULT, arg, flags)) 320 return 0; 321 if (atkbd_init(ATKBD_DEFAULT, &kbd, arg, flags)) 322 return 0; 323 324 /* return the number of found keyboards */ 325 return 1; 326} 327 328/* low-level functions */ 329 330/* detect a keyboard */ 331static int 332atkbd_probe(int unit, void *arg, int flags) 333{ 334 KBDC kbdc; 335 int *data = (int *)arg; /* data[0]: controller, data[1]: irq */ 336 337 /* XXX */ 338 if (unit == ATKBD_DEFAULT) { 339 if (KBD_IS_PROBED(&default_kbd)) 340 return 0; 341 } 342 343 kbdc = atkbdc_open(data[0]); 344 if (kbdc == NULL) 345 return ENXIO; 346 if (probe_keyboard(kbdc, flags)) { 347 if (flags & KB_CONF_FAIL_IF_NO_KBD) 348 return ENXIO; 349 } 350 return 0; 351} 352 353/* reset and initialize the device */ 354static int 355atkbd_init(int unit, keyboard_t **kbdp, void *arg, int flags) 356{ 357 keyboard_t *kbd; 358 atkbd_state_t *state; 359 keymap_t *keymap; 360 accentmap_t *accmap; 361 fkeytab_t *fkeymap; 362 int fkeymap_size; 363 int delay[2]; 364 int *data = (int *)arg; /* data[0]: controller, data[1]: irq */ 365 int error, needfree; 366 367 /* XXX */ 368 if (unit == ATKBD_DEFAULT) { 369 *kbdp = kbd = &default_kbd; 370 if (KBD_IS_INITIALIZED(kbd) && KBD_IS_CONFIGURED(kbd)) 371 return 0; 372 state = &default_kbd_state; 373 keymap = &default_keymap; 374 accmap = &default_accentmap; 375 fkeymap = default_fkeytab; 376 fkeymap_size = 377 sizeof(default_fkeytab)/sizeof(default_fkeytab[0]); 378 needfree = 0; 379 } else if (*kbdp == NULL) { 380 *kbdp = kbd = malloc(sizeof(*kbd), M_DEVBUF, M_NOWAIT | M_ZERO); 381 state = malloc(sizeof(*state), M_DEVBUF, M_NOWAIT | M_ZERO); 382 /* NB: these will always be initialized 'cuz !KBD_IS_PROBED */ 383 keymap = malloc(sizeof(key_map), M_DEVBUF, M_NOWAIT); 384 accmap = malloc(sizeof(accent_map), M_DEVBUF, M_NOWAIT); 385 fkeymap = malloc(sizeof(fkey_tab), M_DEVBUF, M_NOWAIT); 386 fkeymap_size = sizeof(fkey_tab)/sizeof(fkey_tab[0]); 387 needfree = 1; 388 if ((kbd == NULL) || (state == NULL) || (keymap == NULL) 389 || (accmap == NULL) || (fkeymap == NULL)) { 390 error = ENOMEM; 391 goto bad; 392 } 393 } else if (KBD_IS_INITIALIZED(*kbdp) && KBD_IS_CONFIGURED(*kbdp)) { 394 return 0; 395 } else { 396 kbd = *kbdp; 397 state = (atkbd_state_t *)kbd->kb_data; 398 bzero(state, sizeof(*state)); 399 keymap = kbd->kb_keymap; 400 accmap = kbd->kb_accentmap; 401 fkeymap = kbd->kb_fkeytab; 402 fkeymap_size = kbd->kb_fkeytab_size; 403 needfree = 0; 404 } 405 406 if (!KBD_IS_PROBED(kbd)) { 407 state->kbdc = atkbdc_open(data[0]); 408 if (state->kbdc == NULL) { 409 error = ENXIO; 410 goto bad; 411 } 412 kbd_init_struct(kbd, ATKBD_DRIVER_NAME, KB_OTHER, unit, flags, 413 0, 0); 414 bcopy(&key_map, keymap, sizeof(key_map)); 415 bcopy(&accent_map, accmap, sizeof(accent_map)); 416 bcopy(fkey_tab, fkeymap, 417 imin(fkeymap_size * sizeof(fkeymap[0]), sizeof(fkey_tab))); 418 kbd_set_maps(kbd, keymap, accmap, fkeymap, fkeymap_size); 419 kbd->kb_data = (void *)state; 420 421 if (probe_keyboard(state->kbdc, flags)) { /* shouldn't happen */ 422 if (flags & KB_CONF_FAIL_IF_NO_KBD) { 423 error = ENXIO; 424 goto bad; 425 } 426 } else { 427 KBD_FOUND_DEVICE(kbd); 428 } 429 atkbd_clear_state(kbd); 430 state->ks_mode = K_XLATE; 431 /* 432 * FIXME: set the initial value for lock keys in ks_state 433 * according to the BIOS data? 434 */ 435 KBD_PROBE_DONE(kbd); 436 } 437 if (!KBD_IS_INITIALIZED(kbd) && !(flags & KB_CONF_PROBE_ONLY)) { 438 kbd->kb_config = flags & ~KB_CONF_PROBE_ONLY; 439 if (KBD_HAS_DEVICE(kbd) 440 && init_keyboard(state->kbdc, &kbd->kb_type, kbd->kb_config) 441 && (kbd->kb_config & KB_CONF_FAIL_IF_NO_KBD)) { 442 kbd_unregister(kbd); 443 error = ENXIO; 444 goto bad; 445 } 446 atkbd_ioctl(kbd, KDSETLED, (caddr_t)&state->ks_state); 447 set_typematic(kbd); 448 delay[0] = kbd->kb_delay1; 449 delay[1] = kbd->kb_delay2; 450 atkbd_ioctl(kbd, KDSETREPEAT, (caddr_t)delay); 451 KBD_INIT_DONE(kbd); 452 } 453 if (!KBD_IS_CONFIGURED(kbd)) { 454 if (kbd_register(kbd) < 0) { 455 error = ENXIO; 456 goto bad; 457 } 458 KBD_CONFIG_DONE(kbd); 459 } 460 461 return 0; 462bad: 463 if (needfree) { 464 if (state != NULL) 465 free(state, M_DEVBUF); 466 if (keymap != NULL) 467 free(keymap, M_DEVBUF); 468 if (accmap != NULL) 469 free(accmap, M_DEVBUF); 470 if (fkeymap != NULL) 471 free(fkeymap, M_DEVBUF); 472 if (kbd != NULL) { 473 free(kbd, M_DEVBUF); 474 *kbdp = NULL; /* insure ref doesn't leak to caller */ 475 } 476 } 477 return error; 478} 479 480/* finish using this keyboard */ 481static int 482atkbd_term(keyboard_t *kbd) 483{ 484 atkbd_state_t *state = (atkbd_state_t *)kbd->kb_data; 485 486 kbd_unregister(kbd); 487 callout_drain(&state->ks_timer); 488 return 0; 489} 490 491/* keyboard interrupt routine */ 492static int 493atkbd_intr(keyboard_t *kbd, void *arg) 494{ 495 atkbd_state_t *state = (atkbd_state_t *)kbd->kb_data; 496 int delay[2]; 497 int c; 498 499 if (!KBD_HAS_DEVICE(kbd)) { 500 /* 501 * The keyboard was not detected before; 502 * it must have been reconnected! 503 */ 504 init_keyboard(state->kbdc, &kbd->kb_type, kbd->kb_config); 505 KBD_FOUND_DEVICE(kbd); 506 atkbd_ioctl(kbd, KDSETLED, (caddr_t)&state->ks_state); 507 set_typematic(kbd); 508 delay[0] = kbd->kb_delay1; 509 delay[1] = kbd->kb_delay2; 510 atkbd_ioctl(kbd, KDSETREPEAT, (caddr_t)delay); 511 } 512 513 if (state->ks_polling) 514 return 0; 515 516 if (KBD_IS_ACTIVE(kbd) && KBD_IS_BUSY(kbd)) { 517 /* let the callback function to process the input */ 518 (*kbd->kb_callback.kc_func)(kbd, KBDIO_KEYINPUT, 519 kbd->kb_callback.kc_arg); 520 } else { 521 /* read and discard the input; no one is waiting for input */ 522 do { 523 c = atkbd_read_char(kbd, FALSE); 524 } while (c != NOKEY); 525 } 526 return 0; 527} 528 529/* test the interface to the device */ 530static int 531atkbd_test_if(keyboard_t *kbd) 532{ 533 int error; 534 int s; 535 536 error = 0; 537 empty_both_buffers(((atkbd_state_t *)kbd->kb_data)->kbdc, 10); 538 s = spltty(); 539 if (!test_controller(((atkbd_state_t *)kbd->kb_data)->kbdc)) 540 error = EIO; 541 else if (test_kbd_port(((atkbd_state_t *)kbd->kb_data)->kbdc) != 0) 542 error = EIO; 543 splx(s); 544 545 return error; 546} 547 548/* 549 * Enable the access to the device; until this function is called, 550 * the client cannot read from the keyboard. 551 */ 552static int 553atkbd_enable(keyboard_t *kbd) 554{ 555 int s; 556 557 s = spltty(); 558 KBD_ACTIVATE(kbd); 559 splx(s); 560 return 0; 561} 562 563/* disallow the access to the device */ 564static int 565atkbd_disable(keyboard_t *kbd) 566{ 567 int s; 568 569 s = spltty(); 570 KBD_DEACTIVATE(kbd); 571 splx(s); 572 return 0; 573} 574 575/* read one byte from the keyboard if it's allowed */ 576static int 577atkbd_read(keyboard_t *kbd, int wait) 578{ 579 int c; 580 581 if (wait) 582 c = read_kbd_data(((atkbd_state_t *)kbd->kb_data)->kbdc); 583 else 584 c = read_kbd_data_no_wait(((atkbd_state_t *)kbd->kb_data)->kbdc); 585 if (c != -1) 586 ++kbd->kb_count; 587 return (KBD_IS_ACTIVE(kbd) ? c : -1); 588} 589 590/* check if data is waiting */ 591static int 592atkbd_check(keyboard_t *kbd) 593{ 594 if (!KBD_IS_ACTIVE(kbd)) 595 return FALSE; 596 return kbdc_data_ready(((atkbd_state_t *)kbd->kb_data)->kbdc); 597} 598 599/* read char from the keyboard */ 600static u_int 601atkbd_read_char(keyboard_t *kbd, int wait) 602{ 603 atkbd_state_t *state; 604 u_int action; 605 int scancode; 606 int keycode; 607 608 state = (atkbd_state_t *)kbd->kb_data; 609next_code: 610 /* do we have a composed char to return? */ 611 if (!(state->ks_flags & COMPOSE) && (state->ks_composed_char > 0)) { 612 action = state->ks_composed_char; 613 state->ks_composed_char = 0; 614 if (action > UCHAR_MAX) 615 return ERRKEY; 616 return action; 617 } 618 619 /* see if there is something in the keyboard port */ 620 if (wait) { 621 do { 622 scancode = read_kbd_data(state->kbdc); 623 } while (scancode == -1); 624 } else { 625 scancode = read_kbd_data_no_wait(state->kbdc); 626 if (scancode == -1) 627 return NOKEY; 628 } 629 ++kbd->kb_count; 630 631#if KBDIO_DEBUG >= 10 632 printf("atkbd_read_char(): scancode:0x%x\n", scancode); 633#endif 634 635 /* return the byte as is for the K_RAW mode */ 636 if (state->ks_mode == K_RAW) 637 return scancode; 638 639 /* translate the scan code into a keycode */ 640 keycode = scancode & 0x7F; 641 switch (state->ks_prefix) { 642 case 0x00: /* normal scancode */ 643 switch(scancode) { 644 case 0xB8: /* left alt (compose key) released */ 645 if (state->ks_flags & COMPOSE) { 646 state->ks_flags &= ~COMPOSE; 647 if (state->ks_composed_char > UCHAR_MAX) 648 state->ks_composed_char = 0; 649 } 650 break; 651 case 0x38: /* left alt (compose key) pressed */ 652 if (!(state->ks_flags & COMPOSE)) { 653 state->ks_flags |= COMPOSE; 654 state->ks_composed_char = 0; 655 } 656 break; 657 case 0xE0: 658 case 0xE1: 659 state->ks_prefix = scancode; 660 goto next_code; 661 } 662 break; 663 case 0xE0: /* 0xE0 prefix */ 664 state->ks_prefix = 0; 665 switch (keycode) { 666 case 0x1C: /* right enter key */ 667 keycode = 0x59; 668 break; 669 case 0x1D: /* right ctrl key */ 670 keycode = 0x5A; 671 break; 672 case 0x35: /* keypad divide key */ 673 keycode = 0x5B; 674 break; 675 case 0x37: /* print scrn key */ 676 keycode = 0x5C; 677 break; 678 case 0x38: /* right alt key (alt gr) */ 679 keycode = 0x5D; 680 break; 681 case 0x46: /* ctrl-pause/break on AT 101 (see below) */ 682 keycode = 0x68; 683 break; 684 case 0x47: /* grey home key */ 685 keycode = 0x5E; 686 break; 687 case 0x48: /* grey up arrow key */ 688 keycode = 0x5F; 689 break; 690 case 0x49: /* grey page up key */ 691 keycode = 0x60; 692 break; 693 case 0x4B: /* grey left arrow key */ 694 keycode = 0x61; 695 break; 696 case 0x4D: /* grey right arrow key */ 697 keycode = 0x62; 698 break; 699 case 0x4F: /* grey end key */ 700 keycode = 0x63; 701 break; 702 case 0x50: /* grey down arrow key */ 703 keycode = 0x64; 704 break; 705 case 0x51: /* grey page down key */ 706 keycode = 0x65; 707 break; 708 case 0x52: /* grey insert key */ 709 keycode = 0x66; 710 break; 711 case 0x53: /* grey delete key */ 712 keycode = 0x67; 713 break; 714 /* the following 3 are only used on the MS "Natural" keyboard */ 715 case 0x5b: /* left Window key */ 716 keycode = 0x69; 717 break; 718 case 0x5c: /* right Window key */ 719 keycode = 0x6a; 720 break; 721 case 0x5d: /* menu key */ 722 keycode = 0x6b; 723 break; 724 case 0x5e: /* power key */ 725 keycode = 0x6d; 726 break; 727 case 0x5f: /* sleep key */ 728 keycode = 0x6e; 729 break; 730 case 0x63: /* wake key */ 731 keycode = 0x6f; 732 break; 733 default: /* ignore everything else */ 734 goto next_code; 735 } 736 break; 737 case 0xE1: /* 0xE1 prefix */ 738 /* 739 * The pause/break key on the 101 keyboard produces: 740 * E1-1D-45 E1-9D-C5 741 * Ctrl-pause/break produces: 742 * E0-46 E0-C6 (See above.) 743 */ 744 state->ks_prefix = 0; 745 if (keycode == 0x1D) 746 state->ks_prefix = 0x1D; 747 goto next_code; 748 /* NOT REACHED */ 749 case 0x1D: /* pause / break */ 750 state->ks_prefix = 0; 751 if (keycode != 0x45) 752 goto next_code; 753 keycode = 0x68; 754 break; 755 } 756 757 if (kbd->kb_type == KB_84) { 758 switch (keycode) { 759 case 0x37: /* *(numpad)/print screen */ 760 if (state->ks_flags & SHIFTS) 761 keycode = 0x5c; /* print screen */ 762 break; 763 case 0x45: /* num lock/pause */ 764 if (state->ks_flags & CTLS) 765 keycode = 0x68; /* pause */ 766 break; 767 case 0x46: /* scroll lock/break */ 768 if (state->ks_flags & CTLS) 769 keycode = 0x6c; /* break */ 770 break; 771 } 772 } else if (kbd->kb_type == KB_101) { 773 switch (keycode) { 774 case 0x5c: /* print screen */ 775 if (state->ks_flags & ALTS) 776 keycode = 0x54; /* sysrq */ 777 break; 778 case 0x68: /* pause/break */ 779 if (state->ks_flags & CTLS) 780 keycode = 0x6c; /* break */ 781 break; 782 } 783 } 784 785 /* return the key code in the K_CODE mode */ 786 if (state->ks_mode == K_CODE) 787 return (keycode | (scancode & 0x80)); 788 789 /* compose a character code */ 790 if (state->ks_flags & COMPOSE) { 791 switch (keycode | (scancode & 0x80)) { 792 /* key pressed, process it */ 793 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ 794 state->ks_composed_char *= 10; 795 state->ks_composed_char += keycode - 0x40; 796 if (state->ks_composed_char > UCHAR_MAX) 797 return ERRKEY; 798 goto next_code; 799 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ 800 state->ks_composed_char *= 10; 801 state->ks_composed_char += keycode - 0x47; 802 if (state->ks_composed_char > UCHAR_MAX) 803 return ERRKEY; 804 goto next_code; 805 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ 806 state->ks_composed_char *= 10; 807 state->ks_composed_char += keycode - 0x4E; 808 if (state->ks_composed_char > UCHAR_MAX) 809 return ERRKEY; 810 goto next_code; 811 case 0x52: /* keypad 0 */ 812 state->ks_composed_char *= 10; 813 if (state->ks_composed_char > UCHAR_MAX) 814 return ERRKEY; 815 goto next_code; 816 817 /* key released, no interest here */ 818 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ 819 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ 820 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ 821 case 0xD2: /* keypad 0 */ 822 goto next_code; 823 824 case 0x38: /* left alt key */ 825 break; 826 827 default: 828 if (state->ks_composed_char > 0) { 829 state->ks_flags &= ~COMPOSE; 830 state->ks_composed_char = 0; 831 return ERRKEY; 832 } 833 break; 834 } 835 } 836 837 /* keycode to key action */ 838 action = genkbd_keyaction(kbd, keycode, scancode & 0x80, 839 &state->ks_state, &state->ks_accents); 840 if (action == NOKEY) 841 goto next_code; 842 else 843 return action; 844} 845 846/* check if char is waiting */ 847static int 848atkbd_check_char(keyboard_t *kbd) 849{ 850 atkbd_state_t *state; 851 852 if (!KBD_IS_ACTIVE(kbd)) 853 return FALSE; 854 state = (atkbd_state_t *)kbd->kb_data; 855 if (!(state->ks_flags & COMPOSE) && (state->ks_composed_char > 0)) 856 return TRUE; 857 return kbdc_data_ready(state->kbdc); 858} 859 860/* some useful control functions */ 861static int 862atkbd_ioctl(keyboard_t *kbd, u_long cmd, caddr_t arg) 863{ 864 /* translate LED_XXX bits into the device specific bits */ 865 static u_char ledmap[8] = { 866 0, 4, 2, 6, 1, 5, 3, 7, 867 }; 868 atkbd_state_t *state = kbd->kb_data; 869 int error; 870 int s; 871 int i; 872#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 873 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 874 int ival; 875#endif 876 877 s = spltty(); 878 switch (cmd) { 879 880 case KDGKBMODE: /* get keyboard mode */ 881 *(int *)arg = state->ks_mode; 882 break; 883#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 884 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 885 case _IO('K', 7): 886 ival = IOCPARM_IVAL(arg); 887 arg = (caddr_t)&ival; 888 /* FALLTHROUGH */ 889#endif 890 case KDSKBMODE: /* set keyboard mode */ 891 switch (*(int *)arg) { 892 case K_XLATE: 893 if (state->ks_mode != K_XLATE) { 894 /* make lock key state and LED state match */ 895 state->ks_state &= ~LOCK_MASK; 896 state->ks_state |= KBD_LED_VAL(kbd); 897 } 898 /* FALLTHROUGH */ 899 case K_RAW: 900 case K_CODE: 901 if (state->ks_mode != *(int *)arg) { 902 atkbd_clear_state(kbd); 903 state->ks_mode = *(int *)arg; 904 } 905 break; 906 default: 907 splx(s); 908 return EINVAL; 909 } 910 break; 911 912 case KDGETLED: /* get keyboard LED */ 913 *(int *)arg = KBD_LED_VAL(kbd); 914 break; 915#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 916 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 917 case _IO('K', 66): 918 ival = IOCPARM_IVAL(arg); 919 arg = (caddr_t)&ival; 920 /* FALLTHROUGH */ 921#endif 922 case KDSETLED: /* set keyboard LED */ 923 /* NOTE: lock key state in ks_state won't be changed */ 924 if (*(int *)arg & ~LOCK_MASK) { 925 splx(s); 926 return EINVAL; 927 } 928 i = *(int *)arg; 929 /* replace CAPS LED with ALTGR LED for ALTGR keyboards */ 930 if (state->ks_mode == K_XLATE && 931 kbd->kb_keymap->n_keys > ALTGR_OFFSET) { 932 if (i & ALKED) 933 i |= CLKED; 934 else 935 i &= ~CLKED; 936 } 937 if (KBD_HAS_DEVICE(kbd)) { 938 error = write_kbd(state->kbdc, KBDC_SET_LEDS, 939 ledmap[i & LED_MASK]); 940 if (error) { 941 splx(s); 942 return error; 943 } 944 } 945 KBD_LED_VAL(kbd) = *(int *)arg; 946 break; 947 948 case KDGKBSTATE: /* get lock key state */ 949 *(int *)arg = state->ks_state & LOCK_MASK; 950 break; 951#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 952 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 953 case _IO('K', 20): 954 ival = IOCPARM_IVAL(arg); 955 arg = (caddr_t)&ival; 956 /* FALLTHROUGH */ 957#endif 958 case KDSKBSTATE: /* set lock key state */ 959 if (*(int *)arg & ~LOCK_MASK) { 960 splx(s); 961 return EINVAL; 962 } 963 state->ks_state &= ~LOCK_MASK; 964 state->ks_state |= *(int *)arg; 965 splx(s); 966 /* set LEDs and quit */ 967 return atkbd_ioctl(kbd, KDSETLED, arg); 968 969 case KDSETREPEAT: /* set keyboard repeat rate (new interface) */ 970 splx(s); 971 if (!KBD_HAS_DEVICE(kbd)) 972 return 0; 973 i = typematic(((int *)arg)[0], ((int *)arg)[1]); 974 error = write_kbd(state->kbdc, KBDC_SET_TYPEMATIC, i); 975 if (error == 0) { 976 kbd->kb_delay1 = typematic_delay(i); 977 kbd->kb_delay2 = typematic_rate(i); 978 } 979 return error; 980 981#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 982 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 983 case _IO('K', 67): 984 ival = IOCPARM_IVAL(arg); 985 arg = (caddr_t)&ival; 986 /* FALLTHROUGH */ 987#endif 988 case KDSETRAD: /* set keyboard repeat rate (old interface) */ 989 splx(s); 990 if (!KBD_HAS_DEVICE(kbd)) 991 return 0; 992 error = write_kbd(state->kbdc, KBDC_SET_TYPEMATIC, *(int *)arg); 993 if (error == 0) { 994 kbd->kb_delay1 = typematic_delay(*(int *)arg); 995 kbd->kb_delay2 = typematic_rate(*(int *)arg); 996 } 997 return error; 998 999 case PIO_KEYMAP: /* set keyboard translation table */ 1000 case OPIO_KEYMAP: /* set keyboard translation table (compat) */ 1001 case PIO_KEYMAPENT: /* set keyboard translation table entry */ 1002 case PIO_DEADKEYMAP: /* set accent key translation table */ 1003 state->ks_accents = 0; 1004 /* FALLTHROUGH */ 1005 default: 1006 splx(s); 1007 return genkbd_commonioctl(kbd, cmd, arg); 1008 } 1009 1010 splx(s); 1011 return 0; 1012} 1013 1014/* lock the access to the keyboard */ 1015static int 1016atkbd_lock(keyboard_t *kbd, int lock) 1017{ 1018 return kbdc_lock(((atkbd_state_t *)kbd->kb_data)->kbdc, lock); 1019} 1020 1021/* clear the internal state of the keyboard */ 1022static void 1023atkbd_clear_state(keyboard_t *kbd) 1024{ 1025 atkbd_state_t *state; 1026 1027 state = (atkbd_state_t *)kbd->kb_data; 1028 state->ks_flags = 0; 1029 state->ks_polling = 0; 1030 state->ks_state &= LOCK_MASK; /* preserve locking key state */ 1031 state->ks_accents = 0; 1032 state->ks_composed_char = 0; 1033#if 0 1034 state->ks_prefix = 0; /* XXX */ 1035#endif 1036} 1037 1038/* save the internal state */ 1039static int 1040atkbd_get_state(keyboard_t *kbd, void *buf, size_t len) 1041{ 1042 if (len == 0) 1043 return sizeof(atkbd_state_t); 1044 if (len < sizeof(atkbd_state_t)) 1045 return -1; 1046 bcopy(kbd->kb_data, buf, sizeof(atkbd_state_t)); 1047 return 0; 1048} 1049 1050/* set the internal state */ 1051static int 1052atkbd_set_state(keyboard_t *kbd, void *buf, size_t len) 1053{ 1054 if (len < sizeof(atkbd_state_t)) 1055 return ENOMEM; 1056 if (((atkbd_state_t *)kbd->kb_data)->kbdc 1057 != ((atkbd_state_t *)buf)->kbdc) 1058 return ENOMEM; 1059 bcopy(buf, kbd->kb_data, sizeof(atkbd_state_t)); 1060 return 0; 1061} 1062 1063static int 1064atkbd_poll(keyboard_t *kbd, int on) 1065{ 1066 atkbd_state_t *state; 1067 int s; 1068 1069 state = (atkbd_state_t *)kbd->kb_data; 1070 s = spltty(); 1071 if (on) 1072 ++state->ks_polling; 1073 else 1074 --state->ks_polling; 1075 splx(s); 1076 return 0; 1077} 1078 1079static void 1080atkbd_shutdown_final(void *v) 1081{ 1082#ifdef __sparc64__ 1083 keyboard_t *kbd = v; 1084 KBDC kbdc = ((atkbd_state_t *)kbd->kb_data)->kbdc; 1085 1086 /* 1087 * Turn off the translation in preparation for handing the keyboard 1088 * over to the OFW as the OBP driver doesn't use translation and 1089 * also doesn't disable it itself resulting in a broken keymap at 1090 * the boot prompt. Also disable the aux port and the interrupts as 1091 * the OBP driver doesn't use them, i.e. polls the keyboard. Not 1092 * disabling the interrupts doesn't cause real problems but the 1093 * responsiveness is a bit better when they are turned off. 1094 */ 1095 send_kbd_command(kbdc, KBDC_DISABLE_KBD); 1096 set_controller_command_byte(kbdc, 1097 KBD_AUX_CONTROL_BITS | KBD_KBD_CONTROL_BITS | KBD_TRANSLATION, 1098 KBD_DISABLE_AUX_PORT | KBD_DISABLE_KBD_INT | KBD_ENABLE_KBD_PORT); 1099 send_kbd_command(kbdc, KBDC_ENABLE_KBD); 1100#endif 1101} 1102 1103static int 1104atkbd_reset(KBDC kbdc, int flags, int c) 1105{ 1106 /* reset keyboard hardware */ 1107 if (!(flags & KB_CONF_NO_RESET) && !reset_kbd(kbdc)) { 1108 /* 1109 * KEYBOARD ERROR 1110 * Keyboard reset may fail either because the keyboard 1111 * doen't exist, or because the keyboard doesn't pass 1112 * the self-test, or the keyboard controller on the 1113 * motherboard and the keyboard somehow fail to shake hands. 1114 * It is just possible, particularly in the last case, 1115 * that the keyboard controller may be left in a hung state. 1116 * test_controller() and test_kbd_port() appear to bring 1117 * the keyboard controller back (I don't know why and how, 1118 * though.) 1119 */ 1120 empty_both_buffers(kbdc, 10); 1121 test_controller(kbdc); 1122 test_kbd_port(kbdc); 1123 /* 1124 * We could disable the keyboard port and interrupt... but, 1125 * the keyboard may still exist (see above). 1126 */ 1127 set_controller_command_byte(kbdc, 1128 ALLOW_DISABLE_KBD(kbdc) ? 0xff : KBD_KBD_CONTROL_BITS, c); 1129 if (bootverbose) 1130 printf("atkbd: failed to reset the keyboard.\n"); 1131 return (EIO); 1132 } 1133 return (0); 1134} 1135 1136/* local functions */ 1137 1138static int 1139set_typematic(keyboard_t *kbd) 1140{ 1141 int val, error; 1142 atkbd_state_t *state = kbd->kb_data; 1143 1144 val = typematic(DEFAULT_DELAY, DEFAULT_RATE); 1145 error = write_kbd(state->kbdc, KBDC_SET_TYPEMATIC, val); 1146 if (error == 0) { 1147 kbd->kb_delay1 = typematic_delay(val); 1148 kbd->kb_delay2 = typematic_rate(val); 1149 } 1150 1151 return (error); 1152} 1153 1154static int 1155setup_kbd_port(KBDC kbdc, int port, int intr) 1156{ 1157 if (!set_controller_command_byte(kbdc, 1158 KBD_KBD_CONTROL_BITS, 1159 ((port) ? KBD_ENABLE_KBD_PORT : KBD_DISABLE_KBD_PORT) 1160 | ((intr) ? KBD_ENABLE_KBD_INT : KBD_DISABLE_KBD_INT))) 1161 return 1; 1162 return 0; 1163} 1164 1165static int 1166get_kbd_echo(KBDC kbdc) 1167{ 1168 /* enable the keyboard port, but disable the keyboard intr. */ 1169 if (setup_kbd_port(kbdc, TRUE, FALSE)) 1170 /* CONTROLLER ERROR: there is very little we can do... */ 1171 return ENXIO; 1172 1173 /* see if something is present */ 1174 write_kbd_command(kbdc, KBDC_ECHO); 1175 if (read_kbd_data(kbdc) != KBD_ECHO) { 1176 empty_both_buffers(kbdc, 10); 1177 test_controller(kbdc); 1178 test_kbd_port(kbdc); 1179 return ENXIO; 1180 } 1181 1182 /* enable the keyboard port and intr. */ 1183 if (setup_kbd_port(kbdc, TRUE, TRUE)) { 1184 /* 1185 * CONTROLLER ERROR 1186 * This is serious; the keyboard intr is left disabled! 1187 */ 1188 return ENXIO; 1189 } 1190 1191 return 0; 1192} 1193 1194static int 1195probe_keyboard(KBDC kbdc, int flags) 1196{ 1197 /* 1198 * Don't try to print anything in this function. The low-level 1199 * console may not have been initialized yet... 1200 */ 1201 int err; 1202 int c; 1203 int m; 1204 1205 if (!kbdc_lock(kbdc, TRUE)) { 1206 /* driver error? */ 1207 return ENXIO; 1208 } 1209 1210 /* temporarily block data transmission from the keyboard */ 1211 write_controller_command(kbdc, KBDC_DISABLE_KBD_PORT); 1212 1213 /* flush any noise in the buffer */ 1214 empty_both_buffers(kbdc, 100); 1215 1216 /* save the current keyboard controller command byte */ 1217 m = kbdc_get_device_mask(kbdc) & ~KBD_KBD_CONTROL_BITS; 1218 c = get_controller_command_byte(kbdc); 1219 if (c == -1) { 1220 /* CONTROLLER ERROR */ 1221 kbdc_set_device_mask(kbdc, m); 1222 kbdc_lock(kbdc, FALSE); 1223 return ENXIO; 1224 } 1225 1226 /* 1227 * The keyboard may have been screwed up by the boot block. 1228 * We may just be able to recover from error by testing the controller 1229 * and the keyboard port. The controller command byte needs to be 1230 * saved before this recovery operation, as some controllers seem 1231 * to set the command byte to particular values. 1232 */ 1233 test_controller(kbdc); 1234 if (!(flags & KB_CONF_NO_PROBE_TEST)) 1235 test_kbd_port(kbdc); 1236 1237 err = get_kbd_echo(kbdc); 1238 1239 /* 1240 * Even if the keyboard doesn't seem to be present (err != 0), 1241 * we shall enable the keyboard port and interrupt so that 1242 * the driver will be operable when the keyboard is attached 1243 * to the system later. It is NOT recommended to hot-plug 1244 * the AT keyboard, but many people do so... 1245 */ 1246 kbdc_set_device_mask(kbdc, m | KBD_KBD_CONTROL_BITS); 1247 setup_kbd_port(kbdc, TRUE, TRUE); 1248#if 0 1249 if (err == 0) { 1250 kbdc_set_device_mask(kbdc, m | KBD_KBD_CONTROL_BITS); 1251 } else { 1252 /* try to restore the command byte as before */ 1253 set_controller_command_byte(kbdc, 1254 ALLOW_DISABLE_KBD(kbdc) ? 0xff : KBD_KBD_CONTROL_BITS, c); 1255 kbdc_set_device_mask(kbdc, m); 1256 } 1257#endif 1258 1259 kbdc_lock(kbdc, FALSE); 1260 return (HAS_QUIRK(kbdc, KBDC_QUIRK_IGNORE_PROBE_RESULT) ? 0 : err); 1261} 1262 1263static int 1264init_keyboard(KBDC kbdc, int *type, int flags) 1265{ 1266 int codeset; 1267 int id; 1268 int c; 1269 1270 if (!kbdc_lock(kbdc, TRUE)) { 1271 /* driver error? */ 1272 return EIO; 1273 } 1274 1275 /* temporarily block data transmission from the keyboard */ 1276 write_controller_command(kbdc, KBDC_DISABLE_KBD_PORT); 1277 1278 /* save the current controller command byte */ 1279 empty_both_buffers(kbdc, 200); 1280 c = get_controller_command_byte(kbdc); 1281 if (c == -1) { 1282 /* CONTROLLER ERROR */ 1283 kbdc_lock(kbdc, FALSE); 1284 printf("atkbd: unable to get the current command byte value.\n"); 1285 return EIO; 1286 } 1287 if (bootverbose) 1288 printf("atkbd: the current kbd controller command byte %04x\n", 1289 c); 1290#if 0 1291 /* override the keyboard lock switch */ 1292 c |= KBD_OVERRIDE_KBD_LOCK; 1293#endif 1294 1295 /* enable the keyboard port, but disable the keyboard intr. */ 1296 if (setup_kbd_port(kbdc, TRUE, FALSE)) { 1297 /* CONTROLLER ERROR: there is very little we can do... */ 1298 printf("atkbd: unable to set the command byte.\n"); 1299 kbdc_lock(kbdc, FALSE); 1300 return EIO; 1301 } 1302 1303 if (HAS_QUIRK(kbdc, KBDC_QUIRK_RESET_AFTER_PROBE) && 1304 atkbd_reset(kbdc, flags, c)) { 1305 kbdc_lock(kbdc, FALSE); 1306 return EIO; 1307 } 1308 1309 /* 1310 * Check if we have an XT keyboard before we attempt to reset it. 1311 * The procedure assumes that the keyboard and the controller have 1312 * been set up properly by BIOS and have not been messed up 1313 * during the boot process. 1314 */ 1315 codeset = -1; 1316 if (flags & KB_CONF_ALT_SCANCODESET) 1317 /* the user says there is a XT keyboard */ 1318 codeset = 1; 1319#ifdef KBD_DETECT_XT_KEYBOARD 1320 else if ((c & KBD_TRANSLATION) == 0) { 1321 /* SET_SCANCODE_SET is not always supported; ignore error */ 1322 if (send_kbd_command_and_data(kbdc, KBDC_SET_SCANCODE_SET, 0) 1323 == KBD_ACK) 1324 codeset = read_kbd_data(kbdc); 1325 } 1326 if (bootverbose) 1327 printf("atkbd: scancode set %d\n", codeset); 1328#endif /* KBD_DETECT_XT_KEYBOARD */ 1329 1330 *type = KB_OTHER; 1331 id = get_kbd_id(kbdc); 1332 switch(id) { 1333 case 0x41ab: /* 101/102/... Enhanced */ 1334 case 0x83ab: /* ditto */ 1335 case 0x54ab: /* SpaceSaver */ 1336 case 0x84ab: /* ditto */ 1337#if 0 1338 case 0x90ab: /* 'G' */ 1339 case 0x91ab: /* 'P' */ 1340 case 0x92ab: /* 'A' */ 1341#endif 1342 *type = KB_101; 1343 break; 1344 case -1: /* AT 84 keyboard doesn't return ID */ 1345 *type = KB_84; 1346 break; 1347 default: 1348 break; 1349 } 1350 if (bootverbose) 1351 printf("atkbd: keyboard ID 0x%x (%d)\n", id, *type); 1352 1353 if (!HAS_QUIRK(kbdc, KBDC_QUIRK_RESET_AFTER_PROBE) && 1354 atkbd_reset(kbdc, flags, c)) { 1355 kbdc_lock(kbdc, FALSE); 1356 return EIO; 1357 } 1358 1359 /* 1360 * Allow us to set the XT_KEYBD flag so that keyboards 1361 * such as those on the IBM ThinkPad laptop computers can be used 1362 * with the standard console driver. 1363 */ 1364 if (codeset == 1) { 1365 if (send_kbd_command_and_data(kbdc, 1366 KBDC_SET_SCANCODE_SET, codeset) == KBD_ACK) { 1367 /* XT kbd doesn't need scan code translation */ 1368 c &= ~KBD_TRANSLATION; 1369 } else { 1370 /* 1371 * KEYBOARD ERROR 1372 * The XT kbd isn't usable unless the proper scan 1373 * code set is selected. 1374 */ 1375 set_controller_command_byte(kbdc, ALLOW_DISABLE_KBD(kbdc) 1376 ? 0xff : KBD_KBD_CONTROL_BITS, c); 1377 kbdc_lock(kbdc, FALSE); 1378 printf("atkbd: unable to set the XT keyboard mode.\n"); 1379 return EIO; 1380 } 1381 } 1382 1383#if defined(__sparc64__) 1384 if (send_kbd_command_and_data( 1385 kbdc, KBDC_SET_SCANCODE_SET, 2) != KBD_ACK) { 1386 printf("atkbd: can't set translation.\n"); 1387 } 1388 c |= KBD_TRANSLATION; 1389#endif 1390 1391 /* 1392 * Some keyboards require a SETLEDS command to be sent after 1393 * the reset command before they will send keystrokes to us 1394 */ 1395 if (HAS_QUIRK(kbdc, KBDC_QUIRK_SETLEDS_ON_INIT) && 1396 send_kbd_command_and_data(kbdc, KBDC_SET_LEDS, 0) != KBD_ACK) { 1397 printf("atkbd: setleds failed\n"); 1398 } 1399 if (!ALLOW_DISABLE_KBD(kbdc)) 1400 send_kbd_command(kbdc, KBDC_ENABLE_KBD); 1401 1402 /* enable the keyboard port and intr. */ 1403 if (!set_controller_command_byte(kbdc, 1404 KBD_KBD_CONTROL_BITS | KBD_TRANSLATION | KBD_OVERRIDE_KBD_LOCK, 1405 (c & (KBD_TRANSLATION | KBD_OVERRIDE_KBD_LOCK)) 1406 | KBD_ENABLE_KBD_PORT | KBD_ENABLE_KBD_INT)) { 1407 /* 1408 * CONTROLLER ERROR 1409 * This is serious; we are left with the disabled 1410 * keyboard intr. 1411 */ 1412 set_controller_command_byte(kbdc, ALLOW_DISABLE_KBD(kbdc) 1413 ? 0xff : (KBD_KBD_CONTROL_BITS | KBD_TRANSLATION | 1414 KBD_OVERRIDE_KBD_LOCK), c); 1415 kbdc_lock(kbdc, FALSE); 1416 printf("atkbd: unable to enable the keyboard port and intr.\n"); 1417 return EIO; 1418 } 1419 1420 kbdc_lock(kbdc, FALSE); 1421 return 0; 1422} 1423 1424static int 1425write_kbd(KBDC kbdc, int command, int data) 1426{ 1427 int s; 1428 1429 /* prevent the timeout routine from polling the keyboard */ 1430 if (!kbdc_lock(kbdc, TRUE)) 1431 return EBUSY; 1432 1433 /* disable the keyboard and mouse interrupt */ 1434 s = spltty(); 1435#if 0 1436 c = get_controller_command_byte(kbdc); 1437 if ((c == -1) 1438 || !set_controller_command_byte(kbdc, 1439 kbdc_get_device_mask(kbdc), 1440 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 1441 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1442 /* CONTROLLER ERROR */ 1443 kbdc_lock(kbdc, FALSE); 1444 splx(s); 1445 return EIO; 1446 } 1447 /* 1448 * Now that the keyboard controller is told not to generate 1449 * the keyboard and mouse interrupts, call `splx()' to allow 1450 * the other tty interrupts. The clock interrupt may also occur, 1451 * but the timeout routine (`scrn_timer()') will be blocked 1452 * by the lock flag set via `kbdc_lock()' 1453 */ 1454 splx(s); 1455#endif 1456 if (send_kbd_command_and_data(kbdc, command, data) != KBD_ACK) 1457 send_kbd_command(kbdc, KBDC_ENABLE_KBD); 1458#if 0 1459 /* restore the interrupts */ 1460 if (!set_controller_command_byte(kbdc, kbdc_get_device_mask(kbdc), 1461 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 1462 /* CONTROLLER ERROR */ 1463 } 1464#else 1465 splx(s); 1466#endif 1467 kbdc_lock(kbdc, FALSE); 1468 1469 return 0; 1470} 1471 1472static int 1473get_kbd_id(KBDC kbdc) 1474{ 1475 int id1, id2; 1476 1477 empty_both_buffers(kbdc, 10); 1478 id1 = id2 = -1; 1479 if (send_kbd_command(kbdc, KBDC_SEND_DEV_ID) != KBD_ACK) 1480 return -1; 1481 1482 DELAY(10000); /* 10 msec delay */ 1483 id1 = read_kbd_data(kbdc); 1484 if (id1 != -1) 1485 id2 = read_kbd_data(kbdc); 1486 1487 if ((id1 == -1) || (id2 == -1)) { 1488 empty_both_buffers(kbdc, 10); 1489 test_controller(kbdc); 1490 test_kbd_port(kbdc); 1491 return -1; 1492 } 1493 return ((id2 << 8) | id1); 1494} 1495 1496static int delays[] = { 250, 500, 750, 1000 }; 1497static int rates[] = { 34, 38, 42, 46, 50, 55, 59, 63, 1498 68, 76, 84, 92, 100, 110, 118, 126, 1499 136, 152, 168, 184, 200, 220, 236, 252, 1500 272, 304, 336, 368, 400, 440, 472, 504 }; 1501 1502static int 1503typematic_delay(int i) 1504{ 1505 return delays[(i >> 5) & 3]; 1506} 1507 1508static int 1509typematic_rate(int i) 1510{ 1511 return rates[i & 0x1f]; 1512} 1513 1514static int 1515typematic(int delay, int rate) 1516{ 1517 int value; 1518 int i; 1519 1520 for (i = sizeof(delays)/sizeof(delays[0]) - 1; i > 0; --i) { 1521 if (delay >= delays[i]) 1522 break; 1523 } 1524 value = i << 5; 1525 for (i = sizeof(rates)/sizeof(rates[0]) - 1; i > 0; --i) { 1526 if (rate >= rates[i]) 1527 break; 1528 } 1529 value |= i; 1530 return value; 1531} 1532