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