pckbd.c revision 1.11
1 /* $NetBSD: pckbd.c,v 1.11 2006/06/18 02:25:18 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /*- 40 * Copyright (c) 1990 The Regents of the University of California. 41 * All rights reserved. 42 * 43 * This code is derived from software contributed to Berkeley by 44 * William Jolitz and Don Ahn. 45 * 46 * Redistribution and use in source and binary forms, with or without 47 * modification, are permitted provided that the following conditions 48 * are met: 49 * 1. Redistributions of source code must retain the above copyright 50 * notice, this list of conditions and the following disclaimer. 51 * 2. Redistributions in binary form must reproduce the above copyright 52 * notice, this list of conditions and the following disclaimer in the 53 * documentation and/or other materials provided with the distribution. 54 * 3. Neither the name of the University nor the names of its contributors 55 * may be used to endorse or promote products derived from this software 56 * without specific prior written permission. 57 * 58 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 59 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 60 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 61 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 62 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 63 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 64 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 65 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 66 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 67 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 68 * SUCH DAMAGE. 69 * 70 * @(#)pccons.c 5.11 (Berkeley) 5/21/91 71 */ 72 73 /* 74 * code to work keyboard for PC-style console 75 */ 76 77 #include <sys/cdefs.h> 78 __KERNEL_RCSID(0, "$NetBSD: pckbd.c,v 1.11 2006/06/18 02:25:18 christos Exp $"); 79 80 #include <sys/param.h> 81 #include <sys/systm.h> 82 #include <sys/device.h> 83 #include <sys/malloc.h> 84 #include <sys/ioctl.h> 85 86 #include <machine/bus.h> 87 88 #include <dev/pckbport/pckbportvar.h> 89 90 #include <dev/wscons/wsconsio.h> 91 #include <dev/wscons/wskbdvar.h> 92 #include <dev/wscons/wsksymdef.h> 93 #include <dev/wscons/wsksymvar.h> 94 95 #include <dev/pckbport/pckbdreg.h> 96 #include <dev/pckbport/pckbdvar.h> 97 #include <dev/pckbport/wskbdmap_mfii.h> 98 99 #include "locators.h" 100 101 #include "opt_pckbd_layout.h" 102 #include "opt_pckbd_cnattach_may_fail.h" 103 #include "opt_wsdisplay_compat.h" 104 105 struct pckbd_internal { 106 int t_isconsole; 107 pckbport_tag_t t_kbctag; 108 pckbport_slot_t t_kbcslot; 109 110 int t_lastchar; 111 int t_extended0; 112 int t_extended1; 113 114 struct pckbd_softc *t_sc; /* back pointer */ 115 }; 116 117 struct pckbd_softc { 118 struct device sc_dev; 119 120 struct pckbd_internal *id; 121 int sc_enabled; 122 123 int sc_ledstate; 124 125 struct device *sc_wskbddev; 126 #ifdef WSDISPLAY_COMPAT_RAWKBD 127 int rawkbd; 128 #endif 129 130 void *sc_powerhook; 131 }; 132 133 static int pckbd_is_console(pckbport_tag_t, pckbport_slot_t); 134 static void pckbd_powerhook(int, void *); 135 136 int pckbdprobe(struct device *, struct cfdata *, void *); 137 void pckbdattach(struct device *, struct device *, void *); 138 139 CFATTACH_DECL(pckbd, sizeof(struct pckbd_softc), 140 pckbdprobe, pckbdattach, NULL, NULL); 141 142 int pckbd_enable(void *, int); 143 void pckbd_set_leds(void *, int); 144 int pckbd_ioctl(void *, u_long, caddr_t, int, struct lwp *); 145 146 const struct wskbd_accessops pckbd_accessops = { 147 pckbd_enable, 148 pckbd_set_leds, 149 pckbd_ioctl, 150 }; 151 152 void pckbd_cngetc(void *, u_int *, int *); 153 void pckbd_cnpollc(void *, int); 154 void pckbd_cnbell(void *, u_int, u_int, u_int); 155 156 const struct wskbd_consops pckbd_consops = { 157 pckbd_cngetc, 158 pckbd_cnpollc, 159 pckbd_cnbell, 160 }; 161 162 const struct wskbd_mapdata pckbd_keymapdata = { 163 pckbd_keydesctab, 164 #ifdef PCKBD_LAYOUT 165 PCKBD_LAYOUT, 166 #else 167 KB_US, 168 #endif 169 }; 170 171 /* 172 * Hackish support for a bell on the PC Keyboard; when a suitable feeper 173 * is found, it attaches itself into the pckbd driver here. 174 */ 175 void (*pckbd_bell_fn)(void *, u_int, u_int, u_int, int); 176 void *pckbd_bell_fn_arg; 177 178 void pckbd_bell(u_int, u_int, u_int, int); 179 180 int pckbd_set_xtscancode(pckbport_tag_t, pckbport_slot_t); 181 int pckbd_init(struct pckbd_internal *, pckbport_tag_t, pckbport_slot_t, 182 int); 183 void pckbd_input(void *, int); 184 185 static int pckbd_decode(struct pckbd_internal *, int, u_int *, int *); 186 static int pckbd_led_encode(int); 187 static int pckbd_led_decode(int); 188 189 struct pckbd_internal pckbd_consdata; 190 191 int 192 pckbd_set_xtscancode(pckbport_tag_t kbctag, pckbport_slot_t kbcslot) 193 { 194 int res; 195 u_char cmd[2]; 196 197 /* 198 * Some keyboard/8042 combinations do not seem to work if the keyboard 199 * is set to table 1; in fact, it would appear that some keyboards just 200 * ignore the command altogether. So by default, we use the AT scan 201 * codes and have the 8042 translate them. Unfortunately, this is 202 * known to not work on some PS/2 machines. We try desperately to deal 203 * with this by checking the (lack of a) translate bit in the 8042 and 204 * attempting to set the keyboard to XT mode. If this all fails, well, 205 * tough luck. 206 * 207 * XXX It would perhaps be a better choice to just use AT scan codes 208 * and not bother with this. 209 */ 210 if (pckbport_xt_translation(kbctag, kbcslot, 1)) { 211 /* The 8042 is translating for us; use AT codes. */ 212 cmd[0] = KBC_SETTABLE; 213 cmd[1] = 2; 214 res = pckbport_poll_cmd(kbctag, kbcslot, cmd, 2, 0, 0, 0); 215 if (res) { 216 u_char cmdb[1]; 217 #ifdef DEBUG 218 printf("pckbd: error setting scanset 2\n"); 219 #endif 220 /* 221 * XXX at least one keyboard is reported to lock up 222 * if a "set table" is attempted, thus the "reset". 223 * XXX ignore errors, scanset 2 should be 224 * default anyway. 225 */ 226 cmdb[0] = KBC_RESET; 227 (void)pckbport_poll_cmd(kbctag, kbcslot, cmdb, 1, 1, 0, 1); 228 pckbport_flush(kbctag, kbcslot); 229 res = 0; 230 } 231 } else { 232 /* Stupid 8042; set keyboard to XT codes. */ 233 cmd[0] = KBC_SETTABLE; 234 cmd[1] = 1; 235 res = pckbport_poll_cmd(kbctag, kbcslot, cmd, 2, 0, 0, 0); 236 #ifdef DEBUG 237 if (res) 238 printf("pckbd: error setting scanset 1\n"); 239 #endif 240 } 241 return res; 242 } 243 244 static int 245 pckbd_is_console(pckbport_tag_t tag, pckbport_slot_t slot) 246 { 247 248 return pckbd_consdata.t_isconsole && 249 tag == pckbd_consdata.t_kbctag && slot == pckbd_consdata.t_kbcslot; 250 } 251 252 static void 253 pckbd_powerhook(int why, void *opaque) 254 { 255 struct pckbd_softc *sc; 256 int res; 257 u_char cmd[1], resp[1]; 258 259 sc = (struct pckbd_softc *)opaque; 260 261 switch (why) { 262 case PWR_STANDBY: 263 case PWR_SUSPEND: 264 printf("%s: suspending...\n", sc->sc_dev.dv_xname); 265 /* XXX duped from pckbd_enable, but we want to disable it 266 * even if it's the console kbd 267 */ 268 cmd[0] = KBC_DISABLE; 269 res = pckbport_enqueue_cmd(sc->id->t_kbctag, sc->id->t_kbcslot, 270 cmd, 1, 0, 1, 0); 271 if (res) 272 printf("pckbd_disable: command error\n"); 273 274 pckbport_slot_enable(sc->id->t_kbctag, sc->id->t_kbcslot, 0); 275 276 sc->sc_enabled = 0; 277 break; 278 case PWR_RESUME: 279 printf("%s: resuming...\n", sc->sc_dev.dv_xname); 280 281 /* XXX jmcneill reset the keyboard */ 282 cmd[0] = KBC_RESET; 283 res = pckbport_poll_cmd(sc->id->t_kbctag, sc->id->t_kbcslot, 284 cmd, 1, 1, resp, 1); 285 #ifdef DEBUG 286 if (res) 287 printf("pckbdprobe: reset error %d\n", res); 288 #endif 289 if (resp[0] != KBR_RSTDONE) 290 printf("pckbdprobe: reset response 0x%x\n", resp[0]); 291 292 pckbport_flush(sc->id->t_kbctag, sc->id->t_kbcslot); 293 294 pckbd_set_xtscancode(sc->id->t_kbctag, sc->id->t_kbcslot); 295 296 pckbd_enable(sc, 1); 297 break; 298 } 299 300 return; 301 } 302 303 /* 304 * these are both bad jokes 305 */ 306 int 307 pckbdprobe(struct device *parent, struct cfdata *cf, void *aux) 308 { 309 struct pckbport_attach_args *pa = aux; 310 int res; 311 u_char cmd[1], resp[1]; 312 313 /* 314 * XXX There are rumours that a keyboard can be connected 315 * to the aux port as well. For me, this didn't work. 316 * For further experiments, allow it if explicitly 317 * wired in the config file. 318 */ 319 if ((pa->pa_slot != PCKBPORT_KBD_SLOT) && 320 (cf->cf_loc[PCKBPORTCF_SLOT] == PCKBPORTCF_SLOT_DEFAULT)) 321 return 0; 322 323 /* Flush any garbage. */ 324 pckbport_flush(pa->pa_tag, pa->pa_slot); 325 326 /* Reset the keyboard. */ 327 cmd[0] = KBC_RESET; 328 res = pckbport_poll_cmd(pa->pa_tag, pa->pa_slot, cmd, 1, 1, resp, 1); 329 if (res) { 330 #ifdef DEBUG 331 printf("pckbdprobe: reset error %d\n", res); 332 #endif 333 /* 334 * There is probably no keyboard connected. 335 * Let the probe succeed if the keyboard is used 336 * as console input - it can be connected later. 337 */ 338 return pckbd_is_console(pa->pa_tag, pa->pa_slot) ? 1 : 0; 339 } 340 if (resp[0] != KBR_RSTDONE) { 341 printf("pckbdprobe: reset response 0x%x\n", resp[0]); 342 return 0; 343 } 344 345 /* 346 * Some keyboards seem to leave a second ack byte after the reset. 347 * This is kind of stupid, but we account for them anyway by just 348 * flushing the buffer. 349 */ 350 pckbport_flush(pa->pa_tag, pa->pa_slot); 351 352 if (pckbd_set_xtscancode(pa->pa_tag, pa->pa_slot)) 353 return 0; 354 355 return 2; 356 } 357 358 void 359 pckbdattach(struct device *parent, struct device *self, void *aux) 360 { 361 struct pckbd_softc *sc = device_private(self); 362 struct pckbport_attach_args *pa = aux; 363 struct wskbddev_attach_args a; 364 int isconsole; 365 u_char cmd[1]; 366 367 printf("\n"); 368 369 isconsole = pckbd_is_console(pa->pa_tag, pa->pa_slot); 370 371 if (isconsole) { 372 sc->id = &pckbd_consdata; 373 374 /* 375 * Some keyboards are not enabled after a reset, 376 * so make sure it is enabled now. 377 */ 378 cmd[0] = KBC_ENABLE; 379 (void) pckbport_poll_cmd(sc->id->t_kbctag, sc->id->t_kbcslot, 380 cmd, 1, 0, 0, 0); 381 sc->sc_enabled = 1; 382 } else { 383 sc->id = malloc(sizeof(struct pckbd_internal), 384 M_DEVBUF, M_WAITOK); 385 (void) pckbd_init(sc->id, pa->pa_tag, pa->pa_slot, 0); 386 387 /* no interrupts until enabled */ 388 cmd[0] = KBC_DISABLE; 389 (void) pckbport_poll_cmd(sc->id->t_kbctag, sc->id->t_kbcslot, 390 cmd, 1, 0, 0, 0); 391 sc->sc_enabled = 0; 392 } 393 394 sc->id->t_sc = sc; 395 396 pckbport_set_inputhandler(sc->id->t_kbctag, sc->id->t_kbcslot, 397 pckbd_input, sc, sc->sc_dev.dv_xname); 398 399 a.console = isconsole; 400 401 a.keymap = &pckbd_keymapdata; 402 403 a.accessops = &pckbd_accessops; 404 a.accesscookie = sc; 405 406 sc->sc_powerhook = powerhook_establish(pckbd_powerhook, sc); 407 if (sc->sc_powerhook == NULL) 408 aprint_error("%s: unable to install powerhook\n", 409 sc->sc_dev.dv_xname); 410 411 /* 412 * Attach the wskbd, saving a handle to it. 413 * XXX XXX XXX 414 */ 415 sc->sc_wskbddev = config_found(self, &a, wskbddevprint); 416 } 417 418 int 419 pckbd_enable(void *v, int on) 420 { 421 struct pckbd_softc *sc = v; 422 int res; 423 u_char cmd[1]; 424 425 if (on) { 426 if (sc->sc_enabled) { 427 #ifdef DIAGNOSTIC 428 printf("pckbd_enable: bad enable\n"); 429 #endif 430 return EBUSY; 431 } 432 433 pckbport_slot_enable(sc->id->t_kbctag, sc->id->t_kbcslot, 1); 434 435 cmd[0] = KBC_ENABLE; 436 res = pckbport_poll_cmd(sc->id->t_kbctag, sc->id->t_kbcslot, 437 cmd, 1, 0, NULL, 0); 438 if (res) { 439 printf("pckbd_enable: command error\n"); 440 return (res); 441 } 442 443 res = pckbd_set_xtscancode(sc->id->t_kbctag, 444 sc->id->t_kbcslot); 445 if (res) 446 return res; 447 448 sc->sc_enabled = 1; 449 } else { 450 if (sc->id->t_isconsole) 451 return EBUSY; 452 453 cmd[0] = KBC_DISABLE; 454 res = pckbport_enqueue_cmd(sc->id->t_kbctag, sc->id->t_kbcslot, 455 cmd, 1, 0, 1, 0); 456 if (res) { 457 printf("pckbd_disable: command error\n"); 458 return res; 459 } 460 461 pckbport_slot_enable(sc->id->t_kbctag, sc->id->t_kbcslot, 0); 462 463 sc->sc_enabled = 0; 464 } 465 466 return 0; 467 } 468 469 static int 470 pckbd_decode(struct pckbd_internal *id, int datain, u_int *type, int *dataout) 471 { 472 int key; 473 474 if (datain == KBR_EXTENDED0) { 475 id->t_extended0 = 1; 476 return 0; 477 } else if (datain == KBR_EXTENDED1) { 478 id->t_extended1 = 2; 479 return 0; 480 } 481 482 /* map extended keys to (unused) codes 128-254 */ 483 key = (datain & 0x7f) | (id->t_extended0 ? 0x80 : 0); 484 id->t_extended0 = 0; 485 486 /* 487 * process PAUSE (also break) key (EXT1 1D 45 EXT1 9D C5): 488 * map to (unused) code 7F 489 */ 490 if (id->t_extended1 == 2 && (datain == 0x1d || datain == 0x9d)) { 491 id->t_extended1 = 1; 492 return 0; 493 } else if (id->t_extended1 == 1 && 494 (datain == 0x45 || datain == 0xc5)) { 495 id->t_extended1 = 0; 496 key = 0x7f; 497 } else if (id->t_extended1 > 0) { 498 id->t_extended1 = 0; 499 } 500 501 if (datain & 0x80) { 502 id->t_lastchar = 0; 503 *type = WSCONS_EVENT_KEY_UP; 504 } else { 505 /* Always ignore typematic keys */ 506 if (key == id->t_lastchar) 507 return 0; 508 id->t_lastchar = key; 509 *type = WSCONS_EVENT_KEY_DOWN; 510 } 511 512 *dataout = key; 513 return 1; 514 } 515 516 int 517 pckbd_init(struct pckbd_internal *t, pckbport_tag_t kbctag, 518 pckbport_slot_t kbcslot, int console) 519 { 520 521 memset(t, 0, sizeof(struct pckbd_internal)); 522 523 t->t_isconsole = console; 524 t->t_kbctag = kbctag; 525 t->t_kbcslot = kbcslot; 526 527 return pckbd_set_xtscancode(kbctag, kbcslot); 528 } 529 530 static int 531 pckbd_led_encode(int led) 532 { 533 int res; 534 535 res = 0; 536 537 if (led & WSKBD_LED_SCROLL) 538 res |= 0x01; 539 if (led & WSKBD_LED_NUM) 540 res |= 0x02; 541 if (led & WSKBD_LED_CAPS) 542 res |= 0x04; 543 return res; 544 } 545 546 static int 547 pckbd_led_decode(int led) 548 { 549 int res; 550 551 res = 0; 552 if (led & 0x01) 553 res |= WSKBD_LED_SCROLL; 554 if (led & 0x02) 555 res |= WSKBD_LED_NUM; 556 if (led & 0x04) 557 res |= WSKBD_LED_CAPS; 558 return res; 559 } 560 561 void 562 pckbd_set_leds(void *v, int leds) 563 { 564 struct pckbd_softc *sc = v; 565 u_char cmd[2]; 566 567 cmd[0] = KBC_MODEIND; 568 cmd[1] = pckbd_led_encode(leds); 569 sc->sc_ledstate = cmd[1]; 570 571 (void)pckbport_enqueue_cmd(sc->id->t_kbctag, sc->id->t_kbcslot, 572 cmd, 2, 0, 0, 0); 573 } 574 575 /* 576 * Got a console receive interrupt - 577 * the console processor wants to give us a character. 578 */ 579 void 580 pckbd_input(void *vsc, int data) 581 { 582 struct pckbd_softc *sc = vsc; 583 int key; 584 u_int type; 585 586 #ifdef WSDISPLAY_COMPAT_RAWKBD 587 if (sc->rawkbd) { 588 u_char d = data; 589 wskbd_rawinput(sc->sc_wskbddev, &d, 1); 590 return; 591 } 592 #endif 593 if (pckbd_decode(sc->id, data, &type, &key)) 594 wskbd_input(sc->sc_wskbddev, type, key); 595 } 596 597 int 598 pckbd_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct lwp *l) 599 { 600 struct pckbd_softc *sc = v; 601 602 switch (cmd) { 603 case WSKBDIO_GTYPE: 604 *(int *)data = WSKBD_TYPE_PC_XT; 605 return 0; 606 case WSKBDIO_SETLEDS: 607 { 608 int res; 609 u_char cmdb[2]; 610 611 cmdb[0] = KBC_MODEIND; 612 cmdb[1] = pckbd_led_encode(*(int *)data); 613 sc->sc_ledstate = cmdb[1]; 614 res = pckbport_enqueue_cmd(sc->id->t_kbctag, sc->id->t_kbcslot, 615 cmdb, 2, 0, 1, 0); 616 return res; 617 } 618 case WSKBDIO_GETLEDS: 619 *(int *)data = pckbd_led_decode(sc->sc_ledstate); 620 return 0; 621 case WSKBDIO_COMPLEXBELL: 622 #define d ((struct wskbd_bell_data *)data) 623 /* 624 * Keyboard can't beep directly; we have an 625 * externally-provided global hook to do this. 626 */ 627 pckbd_bell(d->pitch, d->period, d->volume, 0); 628 #undef d 629 return 0; 630 #ifdef WSDISPLAY_COMPAT_RAWKBD 631 case WSKBDIO_SETMODE: 632 sc->rawkbd = (*(int *)data == WSKBD_RAW); 633 return 0; 634 #endif 635 } 636 return EPASSTHROUGH; 637 } 638 639 void 640 pckbd_bell(u_int pitch, u_int period, u_int volume, int poll) 641 { 642 643 if (pckbd_bell_fn != NULL) 644 (*pckbd_bell_fn)(pckbd_bell_fn_arg, pitch, period, 645 volume, poll); 646 } 647 648 void 649 pckbd_hookup_bell(void (*fn)(void *, u_int, u_int, u_int, int), void *arg) 650 { 651 652 if (pckbd_bell_fn == NULL) { 653 pckbd_bell_fn = fn; 654 pckbd_bell_fn_arg = arg; 655 } 656 } 657 658 int 659 pckbd_cnattach(pckbport_tag_t kbctag, int kbcslot) 660 { 661 int res; 662 u_char cmd[1]; 663 664 res = pckbd_init(&pckbd_consdata, kbctag, kbcslot, 1); 665 /* We may allow the console to be attached if no keyboard is present */ 666 #if defined(PCKBD_CNATTACH_MAY_FAIL) 667 if (res) 668 return res; 669 #endif 670 671 /* Just to be sure. */ 672 cmd[0] = KBC_ENABLE; 673 res = pckbport_poll_cmd(kbctag, kbcslot, cmd, 1, 0, 0, 0); 674 675 #if defined(PCKBD_CNATTACH_MAY_FAIL) 676 if (res) 677 return res; 678 #endif 679 680 wskbd_cnattach(&pckbd_consops, &pckbd_consdata, &pckbd_keymapdata); 681 682 return 0; 683 } 684 685 /* ARGSUSED */ 686 void 687 pckbd_cngetc(void *v, u_int *type, int *data) 688 { 689 struct pckbd_internal *t = v; 690 int val; 691 692 for (;;) { 693 val = pckbport_poll_data(t->t_kbctag, t->t_kbcslot); 694 if ((val != -1) && pckbd_decode(t, val, type, data)) 695 return; 696 } 697 } 698 699 void 700 pckbd_cnpollc(void *v, int on) 701 { 702 struct pckbd_internal *t = v; 703 704 pckbport_set_poll(t->t_kbctag, t->t_kbcslot, on); 705 } 706 707 void 708 pckbd_cnbell(void *v, u_int pitch, u_int period, u_int volume) 709 { 710 711 pckbd_bell(pitch, period, volume, 1); 712 } 713
Indexes created Mon Sep 29 21:09:56 GMT 2025