1 /* $OpenBSD: wskbd.c,v 1.118 2024/02/18 20:17:48 anton Exp $ */ 2 /* $NetBSD: wskbd.c,v 1.80 2005/05/04 01:52:16 augustss Exp $ */ 3 4 /* 5 * Copyright (c) 1996, 1997 Christopher G. Demetriou. All rights reserved. 6 * 7 * Keysym translator: 8 * Contributed to The NetBSD Foundation by Juergen Hannken-Illjes. 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 Christopher G. Demetriou 21 * for the NetBSD Project. 22 * 4. The name of the author may not be used to endorse or promote products 23 * derived from this software without specific prior written permission 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 26 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 27 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 28 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 29 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 30 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 31 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 34 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 35 */ 36 37 /* 38 * Copyright (c) 1992, 1993 39 * The Regents of the University of California. All rights reserved. 40 * 41 * This software was developed by the Computer Systems Engineering group 42 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 43 * contributed to Berkeley. 44 * 45 * All advertising materials mentioning features or use of this software 46 * must display the following acknowledgement: 47 * This product includes software developed by the University of 48 * California, Lawrence Berkeley Laboratory. 49 * 50 * Redistribution and use in source and binary forms, with or without 51 * modification, are permitted provided that the following conditions 52 * are met: 53 * 1. Redistributions of source code must retain the above copyright 54 * notice, this list of conditions and the following disclaimer. 55 * 2. Redistributions in binary form must reproduce the above copyright 56 * notice, this list of conditions and the following disclaimer in the 57 * documentation and/or other materials provided with the distribution. 58 * 3. Neither the name of the University nor the names of its contributors 59 * may be used to endorse or promote products derived from this software 60 * without specific prior written permission. 61 * 62 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 63 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 64 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 65 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 66 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 67 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 68 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 69 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 70 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 71 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 72 * SUCH DAMAGE. 73 * 74 * @(#)kbd.c 8.2 (Berkeley) 10/30/93 75 */ 76 77 /* 78 * Keyboard driver (/dev/wskbd*). Translates incoming bytes to ASCII or 79 * to `wscons_events' and passes them up to the appropriate reader. 80 */ 81 82 #include <sys/param.h> 83 #include <sys/conf.h> 84 #include <sys/device.h> 85 #include <sys/ioctl.h> 86 #include <sys/kernel.h> 87 #include <sys/proc.h> 88 #include <sys/syslog.h> 89 #include <sys/systm.h> 90 #include <sys/timeout.h> 91 #include <sys/malloc.h> 92 #include <sys/tty.h> 93 #include <sys/signalvar.h> 94 #include <sys/errno.h> 95 #include <sys/fcntl.h> 96 #include <sys/vnode.h> 97 #include <sys/task.h> 98 99 #include <ddb/db_var.h> 100 101 #include <dev/wscons/wscons_features.h> 102 #include <dev/wscons/wsconsio.h> 103 #include <dev/wscons/wskbdvar.h> 104 #include <dev/wscons/wsksymdef.h> 105 #include <dev/wscons/wsksymvar.h> 106 #include <dev/wscons/wsdisplayvar.h> 107 #include <dev/wscons/wseventvar.h> 108 #include <dev/wscons/wscons_callbacks.h> 109 110 #include "audio.h" /* NAUDIO (mixer tuning) */ 111 #include "wsdisplay.h" 112 #include "wskbd.h" 113 #include "wsmux.h" 114 115 #if NWSDISPLAY > 0 116 #include <sys/atomic.h> 117 #endif 118 119 #ifdef WSKBD_DEBUG 120 #define DPRINTF(x) if (wskbddebug) printf x 121 int wskbddebug = 0; 122 #else 123 #define DPRINTF(x) 124 #endif 125 126 #include <dev/wscons/wsmuxvar.h> 127 128 struct wskbd_internal { 129 const struct wskbd_consops *t_consops; 130 void *t_consaccesscookie; 131 132 int t_modifiers; 133 int t_composelen; /* remaining entries in t_composebuf */ 134 keysym_t t_composebuf[2]; 135 136 int t_flags; 137 #define WSKFL_METAESC 1 138 139 #define MAXKEYSYMSPERKEY 2 /* ESC <key> at max */ 140 keysym_t t_symbols[MAXKEYSYMSPERKEY]; 141 142 struct wskbd_softc *t_sc; /* back pointer */ 143 144 struct wskbd_mapdata t_keymap; /* translation map table and 145 current layout */ 146 }; 147 148 struct wskbd_softc { 149 struct wsevsrc sc_base; 150 151 struct wskbd_internal *id; 152 153 const struct wskbd_accessops *sc_accessops; 154 void *sc_accesscookie; 155 156 int sc_ledstate; 157 158 int sc_isconsole; 159 160 struct wskbd_bell_data sc_bell_data; 161 struct wskbd_keyrepeat_data sc_keyrepeat_data; 162 163 int sc_repeating; /* we've called timeout() */ 164 int sc_repkey; 165 struct timeout sc_repeat_ch; 166 u_int sc_repeat_type; 167 int sc_repeat_value; 168 169 int sc_translating; /* xlate to chars for emulation */ 170 171 int sc_maplen; /* number of entries in sc_map */ 172 struct wscons_keymap *sc_map; /* current translation map */ 173 174 int sc_refcnt; 175 u_char sc_dying; /* device is being detached */ 176 177 #if NAUDIO > 0 178 void *sc_audiocookie; 179 #endif 180 struct task sc_kbd_backlight_task; 181 u_int sc_kbd_backlight_cmd; 182 #if NWSDISPLAY > 0 183 struct task sc_brightness_task; 184 int sc_brightness_steps; 185 #endif 186 }; 187 188 enum wskbd_kbd_backlight_cmds { 189 KBD_BACKLIGHT_NONE, 190 KBD_BACKLIGHT_UP, 191 KBD_BACKLIGHT_DOWN, 192 KBD_BACKLIGHT_TOGGLE, 193 }; 194 195 #define MOD_SHIFT_L (1 << 0) 196 #define MOD_SHIFT_R (1 << 1) 197 #define MOD_SHIFTLOCK (1 << 2) 198 #define MOD_CAPSLOCK (1 << 3) 199 #define MOD_CONTROL_L (1 << 4) 200 #define MOD_CONTROL_R (1 << 5) 201 #define MOD_META_L (1 << 6) 202 #define MOD_META_R (1 << 7) 203 #define MOD_MODESHIFT (1 << 8) 204 #define MOD_NUMLOCK (1 << 9) 205 #define MOD_COMPOSE (1 << 10) 206 #define MOD_HOLDSCREEN (1 << 11) 207 #define MOD_COMMAND (1 << 12) 208 #define MOD_COMMAND1 (1 << 13) 209 #define MOD_COMMAND2 (1 << 14) 210 #define MOD_MODELOCK (1 << 15) 211 212 #define MOD_ANYSHIFT (MOD_SHIFT_L | MOD_SHIFT_R | MOD_SHIFTLOCK) 213 #define MOD_ANYCONTROL (MOD_CONTROL_L | MOD_CONTROL_R) 214 #define MOD_ANYMETA (MOD_META_L | MOD_META_R) 215 #define MOD_ANYLED (MOD_SHIFTLOCK | MOD_CAPSLOCK | MOD_NUMLOCK | \ 216 MOD_COMPOSE | MOD_HOLDSCREEN) 217 218 #define MOD_ONESET(id, mask) (((id)->t_modifiers & (mask)) != 0) 219 #define MOD_ALLSET(id, mask) (((id)->t_modifiers & (mask)) == (mask)) 220 221 keysym_t ksym_upcase(keysym_t); 222 223 int wskbd_match(struct device *, void *, void *); 224 void wskbd_attach(struct device *, struct device *, void *); 225 int wskbd_detach(struct device *, int); 226 int wskbd_activate(struct device *, int); 227 228 int wskbd_displayioctl(struct device *, u_long, caddr_t, int, struct proc *); 229 int wskbd_displayioctl_sc(struct wskbd_softc *, u_long, caddr_t, int, 230 struct proc *, int); 231 232 void update_leds(struct wskbd_internal *); 233 void update_modifier(struct wskbd_internal *, u_int, int, int); 234 int internal_command(struct wskbd_softc *, u_int *, keysym_t, keysym_t); 235 int wskbd_translate(struct wskbd_internal *, u_int, int); 236 int wskbd_enable(struct wskbd_softc *, int); 237 void wskbd_debugger(struct wskbd_softc *); 238 #if NWSDISPLAY > 0 239 void change_displayparam(struct wskbd_softc *, int, int, int); 240 #endif 241 242 int wskbd_do_ioctl_sc(struct wskbd_softc *, u_long, caddr_t, int, 243 struct proc *, int); 244 void wskbd_deliver_event(struct wskbd_softc *sc, u_int type, int value); 245 246 #if NWSMUX > 0 247 int wskbd_mux_open(struct wsevsrc *, struct wseventvar *); 248 int wskbd_mux_close(struct wsevsrc *); 249 #else 250 #define wskbd_mux_open NULL 251 #define wskbd_mux_close NULL 252 #endif 253 254 int wskbd_do_open(struct wskbd_softc *, struct wseventvar *); 255 int wskbd_do_ioctl(struct device *, u_long, caddr_t, int, struct proc *); 256 257 void wskbd_set_keymap(struct wskbd_softc *, struct wscons_keymap *, int); 258 259 int (*wskbd_get_backlight)(struct wskbd_backlight *); 260 int (*wskbd_set_backlight)(struct wskbd_backlight *); 261 262 void wskbd_kbd_backlight_task(void *); 263 #if NWSDISPLAY > 0 264 void wskbd_brightness_task(void *); 265 #endif 266 267 struct cfdriver wskbd_cd = { 268 NULL, "wskbd", DV_TTY 269 }; 270 271 const struct cfattach wskbd_ca = { 272 sizeof (struct wskbd_softc), wskbd_match, wskbd_attach, 273 wskbd_detach, wskbd_activate 274 }; 275 276 #if defined(__i386__) || defined(__amd64__) 277 extern int kbd_reset; 278 #endif 279 280 #ifndef WSKBD_DEFAULT_BELL_PITCH 281 #define WSKBD_DEFAULT_BELL_PITCH 400 /* 400Hz */ 282 #endif 283 #ifndef WSKBD_DEFAULT_BELL_PERIOD 284 #define WSKBD_DEFAULT_BELL_PERIOD 100 /* 100ms */ 285 #endif 286 #ifndef WSKBD_DEFAULT_BELL_VOLUME 287 #define WSKBD_DEFAULT_BELL_VOLUME 50 /* 50% volume */ 288 #endif 289 290 struct wskbd_bell_data wskbd_default_bell_data = { 291 WSKBD_BELL_DOALL, 292 WSKBD_DEFAULT_BELL_PITCH, 293 WSKBD_DEFAULT_BELL_PERIOD, 294 WSKBD_DEFAULT_BELL_VOLUME, 295 }; 296 297 #ifndef WSKBD_DEFAULT_KEYREPEAT_DEL1 298 #define WSKBD_DEFAULT_KEYREPEAT_DEL1 400 /* 400ms to start repeating */ 299 #endif 300 #ifndef WSKBD_DEFAULT_KEYREPEAT_DELN 301 #define WSKBD_DEFAULT_KEYREPEAT_DELN 100 /* 100ms to between repeats */ 302 #endif 303 304 struct wskbd_keyrepeat_data wskbd_default_keyrepeat_data = { 305 WSKBD_KEYREPEAT_DOALL, 306 WSKBD_DEFAULT_KEYREPEAT_DEL1, 307 WSKBD_DEFAULT_KEYREPEAT_DELN, 308 }; 309 310 #if NWSMUX > 0 || NWSDISPLAY > 0 311 struct wssrcops wskbd_srcops = { 312 .type = WSMUX_KBD, 313 .dopen = wskbd_mux_open, 314 .dclose = wskbd_mux_close, 315 .dioctl = wskbd_do_ioctl, 316 .ddispioctl = wskbd_displayioctl, 317 #if NWSDISPLAY > 0 318 .dsetdisplay = wskbd_set_display, 319 #else 320 .dsetdisplay = NULL, 321 #endif 322 }; 323 #endif 324 325 #if NWSDISPLAY > 0 326 void wskbd_repeat(void *v); 327 #endif 328 329 static int wskbd_console_initted; 330 static struct wskbd_softc *wskbd_console_device; 331 static struct wskbd_internal wskbd_console_data; 332 333 void wskbd_update_layout(struct wskbd_internal *, kbd_t); 334 335 #if NAUDIO > 0 336 extern int wskbd_set_mixervolume_dev(void *, long, long); 337 #endif 338 339 void 340 wskbd_update_layout(struct wskbd_internal *id, kbd_t enc) 341 { 342 if (enc & KB_METAESC) 343 id->t_flags |= WSKFL_METAESC; 344 else 345 id->t_flags &= ~WSKFL_METAESC; 346 347 id->t_keymap.layout = enc; 348 } 349 350 /* 351 * Print function (for parent devices). 352 */ 353 int 354 wskbddevprint(void *aux, const char *pnp) 355 { 356 #if 0 357 struct wskbddev_attach_args *ap = aux; 358 #endif 359 360 if (pnp) 361 printf("wskbd at %s", pnp); 362 #if 0 363 printf(" console %d", ap->console); 364 #endif 365 366 return (UNCONF); 367 } 368 369 int 370 wskbd_match(struct device *parent, void *match, void *aux) 371 { 372 struct cfdata *cf = match; 373 struct wskbddev_attach_args *ap = aux; 374 375 if (cf->wskbddevcf_console != WSKBDDEVCF_CONSOLE_UNK) { 376 /* 377 * If console-ness of device specified, either match 378 * exactly (at high priority), or fail. 379 */ 380 if (cf->wskbddevcf_console != 0 && ap->console != 0) 381 return (10); 382 else 383 return (0); 384 } 385 386 /* If console-ness unspecified, it wins. */ 387 return (1); 388 } 389 390 void 391 wskbd_attach(struct device *parent, struct device *self, void *aux) 392 { 393 struct wskbd_softc *sc = (struct wskbd_softc *)self; 394 struct wskbddev_attach_args *ap = aux; 395 kbd_t layout; 396 #if NWSMUX > 0 397 struct wsmux_softc *wsmux_sc = NULL; 398 int mux, error; 399 #endif 400 401 sc->sc_isconsole = ap->console; 402 403 #if NWSMUX > 0 || NWSDISPLAY > 0 404 sc->sc_base.me_ops = &wskbd_srcops; 405 #endif 406 #if NWSMUX > 0 407 mux = sc->sc_base.me_dv.dv_cfdata->wskbddevcf_mux; 408 if (mux >= 0) 409 wsmux_sc = wsmux_getmux(mux); 410 #endif /* NWSMUX > 0 */ 411 412 if (ap->console) { 413 sc->id = &wskbd_console_data; 414 } else { 415 sc->id = malloc(sizeof(struct wskbd_internal), 416 M_DEVBUF, M_WAITOK | M_ZERO); 417 bcopy(ap->keymap, &sc->id->t_keymap, sizeof(sc->id->t_keymap)); 418 } 419 420 task_set(&sc->sc_kbd_backlight_task, wskbd_kbd_backlight_task, sc); 421 #if NWSDISPLAY > 0 422 timeout_set(&sc->sc_repeat_ch, wskbd_repeat, sc); 423 task_set(&sc->sc_brightness_task, wskbd_brightness_task, sc); 424 #endif 425 426 #if NAUDIO > 0 427 sc->sc_audiocookie = ap->audiocookie; 428 #endif 429 430 sc->id->t_sc = sc; 431 432 sc->sc_accessops = ap->accessops; 433 sc->sc_accesscookie = ap->accesscookie; 434 sc->sc_repeating = 0; 435 sc->sc_translating = 1; 436 sc->sc_ledstate = -1; /* force update */ 437 438 /* 439 * If this layout is the default choice of the driver (i.e. the 440 * driver doesn't know better), pick the existing layout of the 441 * current mux, if any. 442 */ 443 layout = sc->id->t_keymap.layout; 444 #if NWSMUX > 0 445 if (layout & KB_DEFAULT) { 446 if (wsmux_sc != NULL && wsmux_get_layout(wsmux_sc) != KB_NONE) 447 layout = wsmux_get_layout(wsmux_sc); 448 } 449 #endif 450 for (;;) { 451 struct wscons_keymap *map; 452 int maplen; 453 454 if (wskbd_load_keymap(&sc->id->t_keymap, layout, &map, 455 &maplen) == 0) { 456 wskbd_set_keymap(sc, map, maplen); 457 break; 458 } 459 #if NWSMUX > 0 460 if (layout == sc->id->t_keymap.layout) 461 panic("cannot load keymap"); 462 if (wsmux_sc != NULL && wsmux_get_layout(wsmux_sc) != KB_NONE) { 463 printf("\n%s: cannot load keymap, " 464 "falling back to default\n%s", 465 sc->sc_base.me_dv.dv_xname, 466 sc->sc_base.me_dv.dv_xname); 467 layout = wsmux_get_layout(wsmux_sc); 468 } else 469 #endif 470 panic("cannot load keymap"); 471 } 472 wskbd_update_layout(sc->id, layout); 473 474 /* set default bell and key repeat data */ 475 sc->sc_bell_data = wskbd_default_bell_data; 476 sc->sc_keyrepeat_data = wskbd_default_keyrepeat_data; 477 478 if (ap->console) { 479 KASSERT(wskbd_console_initted); 480 KASSERT(wskbd_console_device == NULL); 481 482 wskbd_console_device = sc; 483 484 printf(": console keyboard"); 485 486 #if NWSDISPLAY > 0 487 wsdisplay_set_console_kbd(&sc->sc_base); /* sets sc_displaydv */ 488 if (sc->sc_displaydv != NULL) 489 printf(", using %s", sc->sc_displaydv->dv_xname); 490 #endif 491 } 492 493 #if NWSMUX > 0 494 /* Ignore mux for console; it always goes to the console mux. */ 495 if (wsmux_sc != NULL && ap->console == 0) { 496 printf(" mux %d\n", mux); 497 error = wsmux_attach_sc(wsmux_sc, &sc->sc_base); 498 if (error) 499 printf("%s: attach error=%d\n", 500 sc->sc_base.me_dv.dv_xname, error); 501 502 /* 503 * Try and set this encoding as the mux default if it 504 * hasn't any yet, and if this is not a driver default 505 * layout (i.e. parent driver pretends to know better). 506 * Note that wsmux_set_layout() rejects layouts with 507 * KB_DEFAULT set. 508 */ 509 if (wsmux_get_layout(wsmux_sc) == KB_NONE) 510 wsmux_set_layout(wsmux_sc, layout); 511 } else 512 #endif 513 printf("\n"); 514 515 #if NWSDISPLAY > 0 && NWSMUX == 0 516 if (ap->console == 0) { 517 /* 518 * In the non-wsmux world, always connect wskbd0 and wsdisplay0 519 * together. 520 */ 521 extern struct cfdriver wsdisplay_cd; 522 523 if (wsdisplay_cd.cd_ndevs != 0 && self->dv_unit == 0) { 524 if (wskbd_set_display(self, 525 wsdisplay_cd.cd_devs[0]) == 0) 526 wsdisplay_set_kbd(wsdisplay_cd.cd_devs[0], 527 (struct wsevsrc *)sc); 528 } 529 } 530 #endif 531 } 532 533 void 534 wskbd_cnattach(const struct wskbd_consops *consops, void *conscookie, 535 const struct wskbd_mapdata *mapdata) 536 { 537 538 KASSERT(!wskbd_console_initted); 539 540 bcopy(mapdata, &wskbd_console_data.t_keymap, sizeof(*mapdata)); 541 wskbd_update_layout(&wskbd_console_data, mapdata->layout); 542 543 wskbd_console_data.t_consops = consops; 544 wskbd_console_data.t_consaccesscookie = conscookie; 545 546 #if NWSDISPLAY > 0 547 wsdisplay_set_cons_kbd(wskbd_cngetc, wskbd_cnpollc, wskbd_cnbell); 548 #endif 549 550 wskbd_console_initted = 1; 551 } 552 553 void 554 wskbd_cndetach(void) 555 { 556 KASSERT(wskbd_console_initted); 557 558 wskbd_console_data.t_keymap.keydesc = NULL; 559 wskbd_console_data.t_keymap.layout = KB_NONE; 560 561 wskbd_console_data.t_consops = NULL; 562 wskbd_console_data.t_consaccesscookie = NULL; 563 564 #if NWSDISPLAY > 0 565 wsdisplay_unset_cons_kbd(); 566 #endif 567 568 wskbd_console_device = NULL; 569 wskbd_console_initted = 0; 570 } 571 572 #if NWSDISPLAY > 0 573 void 574 wskbd_repeat(void *v) 575 { 576 struct wskbd_softc *sc = (struct wskbd_softc *)v; 577 int s = spltty(); 578 579 if (sc->sc_repeating == 0) { 580 /* 581 * race condition: a "key up" event came in when wskbd_repeat() 582 * was already called but not yet spltty()'d 583 */ 584 splx(s); 585 return; 586 } 587 if (sc->sc_translating) { 588 /* deliver keys */ 589 if (sc->sc_displaydv != NULL) 590 wsdisplay_kbdinput(sc->sc_displaydv, 591 sc->id->t_keymap.layout, 592 sc->id->t_symbols, sc->sc_repeating); 593 } else { 594 /* queue event */ 595 wskbd_deliver_event(sc, sc->sc_repeat_type, 596 sc->sc_repeat_value); 597 } 598 if (sc->sc_keyrepeat_data.delN != 0) 599 timeout_add_msec(&sc->sc_repeat_ch, sc->sc_keyrepeat_data.delN); 600 splx(s); 601 } 602 #endif 603 604 int 605 wskbd_activate(struct device *self, int act) 606 { 607 struct wskbd_softc *sc = (struct wskbd_softc *)self; 608 609 if (act == DVACT_DEACTIVATE) 610 sc->sc_dying = 1; 611 return (0); 612 } 613 614 /* 615 * Detach a keyboard. To keep track of users of the softc we keep 616 * a reference count that's incremented while inside, e.g., read. 617 * If the keyboard is active and the reference count is > 0 (0 is the 618 * normal state) we post an event and then wait for the process 619 * that had the reference to wake us up again. Then we blow away the 620 * vnode and return (which will deallocate the softc). 621 */ 622 int 623 wskbd_detach(struct device *self, int flags) 624 { 625 struct wskbd_softc *sc = (struct wskbd_softc *)self; 626 struct wseventvar *evar; 627 int maj, mn; 628 int s; 629 630 #if NWSMUX > 0 631 /* Tell parent mux we're leaving. */ 632 if (sc->sc_base.me_parent != NULL) 633 wsmux_detach_sc(&sc->sc_base); 634 #endif 635 636 #if NWSDISPLAY > 0 637 if (sc->sc_repeating) { 638 sc->sc_repeating = 0; 639 timeout_del(&sc->sc_repeat_ch); 640 } 641 #endif 642 643 if (sc->sc_isconsole) { 644 KASSERT(wskbd_console_device == sc); 645 wskbd_cndetach(); 646 } 647 648 evar = sc->sc_base.me_evp; 649 if (evar != NULL) { 650 s = spltty(); 651 if (--sc->sc_refcnt >= 0) { 652 /* Wake everyone by generating a dummy event. */ 653 if (++evar->put >= WSEVENT_QSIZE) 654 evar->put = 0; 655 WSEVENT_WAKEUP(evar); 656 /* Wait for processes to go away. */ 657 if (tsleep_nsec(sc, PZERO, "wskdet", SEC_TO_NSEC(60))) 658 printf("wskbd_detach: %s didn't detach\n", 659 sc->sc_base.me_dv.dv_xname); 660 } 661 splx(s); 662 } 663 664 free(sc->sc_map, M_DEVBUF, 665 sc->sc_maplen * sizeof(struct wscons_keymap)); 666 667 /* locate the major number */ 668 for (maj = 0; maj < nchrdev; maj++) 669 if (cdevsw[maj].d_open == wskbdopen) 670 break; 671 672 /* Nuke the vnodes for any open instances. */ 673 mn = self->dv_unit; 674 vdevgone(maj, mn, mn, VCHR); 675 676 return (0); 677 } 678 679 void 680 wskbd_input(struct device *dev, u_int type, int value) 681 { 682 struct wskbd_softc *sc = (struct wskbd_softc *)dev; 683 #if NWSDISPLAY > 0 684 int num; 685 #endif 686 687 #if NWSDISPLAY > 0 688 if (sc->sc_repeating) { 689 sc->sc_repeating = 0; 690 timeout_del(&sc->sc_repeat_ch); 691 } 692 693 /* 694 * If /dev/wskbdN is not connected in event mode translate and 695 * send upstream. 696 */ 697 if (sc->sc_translating) { 698 #ifdef HAVE_BURNER_SUPPORT 699 if (type == WSCONS_EVENT_KEY_DOWN && sc->sc_displaydv != NULL) 700 wsdisplay_burn(sc->sc_displaydv, WSDISPLAY_BURN_KBD); 701 #endif 702 num = wskbd_translate(sc->id, type, value); 703 if (num > 0) { 704 if (sc->sc_displaydv != NULL) { 705 #ifdef HAVE_SCROLLBACK_SUPPORT 706 /* XXX - Shift_R+PGUP(release) emits PrtSc */ 707 if (sc->id->t_symbols[0] != KS_Print_Screen) { 708 wsscrollback(sc->sc_displaydv, 709 WSDISPLAY_SCROLL_RESET); 710 } 711 #endif 712 wsdisplay_kbdinput(sc->sc_displaydv, 713 sc->id->t_keymap.layout, 714 sc->id->t_symbols, num); 715 } 716 717 if (sc->sc_keyrepeat_data.del1 != 0) { 718 sc->sc_repeating = num; 719 timeout_add_msec(&sc->sc_repeat_ch, 720 sc->sc_keyrepeat_data.del1); 721 } 722 } 723 return; 724 } 725 #endif 726 727 wskbd_deliver_event(sc, type, value); 728 729 #if NWSDISPLAY > 0 730 /* Repeat key presses if enabled. */ 731 if (type == WSCONS_EVENT_KEY_DOWN && sc->sc_keyrepeat_data.del1 != 0) { 732 sc->sc_repeat_type = type; 733 sc->sc_repeat_value = value; 734 sc->sc_repeating = 1; 735 timeout_add_msec(&sc->sc_repeat_ch, sc->sc_keyrepeat_data.del1); 736 } 737 #endif 738 } 739 740 /* 741 * Keyboard is generating events. Turn this keystroke into an 742 * event and put it in the queue. If the queue is full, the 743 * keystroke is lost (sorry!). 744 */ 745 void 746 wskbd_deliver_event(struct wskbd_softc *sc, u_int type, int value) 747 { 748 struct wseventvar *evar; 749 struct wscons_event *ev; 750 int put; 751 752 evar = sc->sc_base.me_evp; 753 754 if (evar == NULL) { 755 DPRINTF(("%s: not open\n", __func__)); 756 return; 757 } 758 759 #ifdef DIAGNOSTIC 760 if (evar->q == NULL) { 761 printf("wskbd_input: evar->q=NULL\n"); 762 return; 763 } 764 #endif 765 766 put = evar->put; 767 ev = &evar->q[put]; 768 put = (put + 1) % WSEVENT_QSIZE; 769 if (put == evar->get) { 770 log(LOG_WARNING, "%s: event queue overflow\n", 771 sc->sc_base.me_dv.dv_xname); 772 return; 773 } 774 ev->type = type; 775 ev->value = value; 776 nanotime(&ev->time); 777 evar->put = put; 778 WSEVENT_WAKEUP(evar); 779 } 780 781 #ifdef WSDISPLAY_COMPAT_RAWKBD 782 void 783 wskbd_rawinput(struct device *dev, u_char *buf, int len) 784 { 785 #if NWSDISPLAY > 0 786 struct wskbd_softc *sc = (struct wskbd_softc *)dev; 787 788 if (sc->sc_displaydv != NULL) 789 wsdisplay_rawkbdinput(sc->sc_displaydv, buf, len); 790 #endif 791 } 792 #endif /* WSDISPLAY_COMPAT_RAWKBD */ 793 794 int 795 wskbd_enable(struct wskbd_softc *sc, int on) 796 { 797 int error; 798 799 #if NWSDISPLAY > 0 800 if (sc->sc_displaydv != NULL) 801 return (0); 802 803 /* Always cancel auto repeat when fiddling with the kbd. */ 804 if (sc->sc_repeating) { 805 sc->sc_repeating = 0; 806 timeout_del(&sc->sc_repeat_ch); 807 } 808 #endif 809 810 error = (*sc->sc_accessops->enable)(sc->sc_accesscookie, on); 811 DPRINTF(("%s: sc=%p on=%d res=%d\n", __func__, sc, on, error)); 812 return (error); 813 } 814 815 #if NWSMUX > 0 816 int 817 wskbd_mux_open(struct wsevsrc *me, struct wseventvar *evp) 818 { 819 struct wskbd_softc *sc = (struct wskbd_softc *)me; 820 821 if (sc->sc_dying) 822 return (EIO); 823 824 return (wskbd_do_open(sc, evp)); 825 } 826 #endif 827 828 int 829 wskbdopen(dev_t dev, int flags, int mode, struct proc *p) 830 { 831 struct wskbd_softc *sc; 832 struct wseventvar *evar; 833 int unit, error; 834 835 unit = minor(dev); 836 if (unit >= wskbd_cd.cd_ndevs || /* make sure it was attached */ 837 (sc = wskbd_cd.cd_devs[unit]) == NULL) 838 return (ENXIO); 839 840 #if NWSMUX > 0 841 DPRINTF(("%s: %s mux=%p\n", __func__, sc->sc_base.me_dv.dv_xname, 842 sc->sc_base.me_parent)); 843 #endif 844 845 if (sc->sc_dying) 846 return (EIO); 847 848 if ((flags & (FREAD | FWRITE)) == FWRITE) { 849 /* Not opening for read, only ioctl is available. */ 850 return (0); 851 } 852 853 #if NWSMUX > 0 854 if (sc->sc_base.me_parent != NULL) { 855 /* Grab the keyboard out of the greedy hands of the mux. */ 856 DPRINTF(("%s: detach\n", __func__)); 857 wsmux_detach_sc(&sc->sc_base); 858 } 859 #endif 860 861 if (sc->sc_base.me_evp != NULL) 862 return (EBUSY); 863 864 evar = &sc->sc_base.me_evar; 865 if (wsevent_init(evar)) 866 return (EBUSY); 867 868 error = wskbd_do_open(sc, evar); 869 if (error) 870 wsevent_fini(evar); 871 return (error); 872 } 873 874 int 875 wskbd_do_open(struct wskbd_softc *sc, struct wseventvar *evp) 876 { 877 int error; 878 879 /* The device could already be attached to a mux. */ 880 if (sc->sc_base.me_evp != NULL) 881 return (EBUSY); 882 883 sc->sc_base.me_evp = evp; 884 sc->sc_translating = 0; 885 886 error = wskbd_enable(sc, 1); 887 if (error) 888 sc->sc_base.me_evp = NULL; 889 return (error); 890 } 891 892 int 893 wskbdclose(dev_t dev, int flags, int mode, struct proc *p) 894 { 895 struct wskbd_softc *sc = 896 (struct wskbd_softc *)wskbd_cd.cd_devs[minor(dev)]; 897 struct wseventvar *evar = sc->sc_base.me_evp; 898 899 if ((flags & (FREAD | FWRITE)) == FWRITE) { 900 /* not open for read */ 901 return (0); 902 } 903 904 sc->sc_base.me_evp = NULL; 905 sc->sc_translating = 1; 906 (void)wskbd_enable(sc, 0); 907 wsevent_fini(evar); 908 909 #if NWSMUX > 0 910 if (sc->sc_base.me_parent == NULL) { 911 int mux, error; 912 913 DPRINTF(("%s: attach\n", __func__)); 914 mux = sc->sc_base.me_dv.dv_cfdata->wskbddevcf_mux; 915 if (mux >= 0) { 916 error = wsmux_attach_sc(wsmux_getmux(mux), &sc->sc_base); 917 if (error) 918 printf("%s: can't attach mux (error=%d)\n", 919 sc->sc_base.me_dv.dv_xname, error); 920 } 921 } 922 #endif 923 924 return (0); 925 } 926 927 #if NWSMUX > 0 928 int 929 wskbd_mux_close(struct wsevsrc *me) 930 { 931 struct wskbd_softc *sc = (struct wskbd_softc *)me; 932 933 (void)wskbd_enable(sc, 0); 934 sc->sc_translating = 1; 935 sc->sc_base.me_evp = NULL; 936 937 return (0); 938 } 939 #endif 940 941 int 942 wskbdread(dev_t dev, struct uio *uio, int flags) 943 { 944 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)]; 945 int error; 946 947 if (sc->sc_dying) 948 return (EIO); 949 950 #ifdef DIAGNOSTIC 951 if (sc->sc_base.me_evp == NULL) { 952 printf("wskbdread: evp == NULL\n"); 953 return (EINVAL); 954 } 955 #endif 956 957 sc->sc_refcnt++; 958 error = wsevent_read(&sc->sc_base.me_evar, uio, flags); 959 if (--sc->sc_refcnt < 0) { 960 wakeup(sc); 961 error = EIO; 962 } 963 return (error); 964 } 965 966 int 967 wskbdioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p) 968 { 969 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)]; 970 int error; 971 972 sc->sc_refcnt++; 973 error = wskbd_do_ioctl_sc(sc, cmd, data, flag, p, 0); 974 if (--sc->sc_refcnt < 0) 975 wakeup(sc); 976 return (error); 977 } 978 979 /* A wrapper around the ioctl() workhorse to make reference counting easy. */ 980 int 981 wskbd_do_ioctl(struct device *dv, u_long cmd, caddr_t data, int flag, 982 struct proc *p) 983 { 984 struct wskbd_softc *sc = (struct wskbd_softc *)dv; 985 int error; 986 987 sc->sc_refcnt++; 988 error = wskbd_do_ioctl_sc(sc, cmd, data, flag, p, 1); 989 if (--sc->sc_refcnt < 0) 990 wakeup(sc); 991 return (error); 992 } 993 994 int 995 wskbd_do_ioctl_sc(struct wskbd_softc *sc, u_long cmd, caddr_t data, int flag, 996 struct proc *p, int evsrc) 997 { 998 struct wseventvar *evar; 999 int error; 1000 1001 /* 1002 * Try the generic ioctls that the wskbd interface supports. 1003 */ 1004 switch (cmd) { 1005 case FIONBIO: /* we will remove this someday (soon???) */ 1006 return (0); 1007 1008 case FIOASYNC: 1009 if (sc->sc_base.me_evp == NULL) 1010 return (EINVAL); 1011 sc->sc_base.me_evp->async = *(int *)data != 0; 1012 return (0); 1013 1014 case FIOGETOWN: 1015 case TIOCGPGRP: 1016 evar = sc->sc_base.me_evp; 1017 if (evar == NULL) 1018 return (EINVAL); 1019 sigio_getown(&evar->sigio, cmd, data); 1020 return (0); 1021 1022 case FIOSETOWN: 1023 case TIOCSPGRP: 1024 evar = sc->sc_base.me_evp; 1025 if (evar == NULL) 1026 return (EINVAL); 1027 return (sigio_setown(&evar->sigio, cmd, data)); 1028 } 1029 1030 /* 1031 * Try the keyboard driver for WSKBDIO ioctls. It returns -1 1032 * if it didn't recognize the request. 1033 */ 1034 error = wskbd_displayioctl_sc(sc, cmd, data, flag, p, evsrc); 1035 return (error != -1 ? error : ENOTTY); 1036 } 1037 1038 /* 1039 * WSKBDIO ioctls, handled in both emulation mode and in ``raw'' mode. 1040 * Some of these have no real effect in raw mode, however. 1041 */ 1042 int 1043 wskbd_displayioctl(struct device *dv, u_long cmd, caddr_t data, int flag, 1044 struct proc *p) 1045 { 1046 struct wskbd_softc *sc = (struct wskbd_softc *)dv; 1047 1048 return (wskbd_displayioctl_sc(sc, cmd, data, flag, p, 1)); 1049 } 1050 1051 int 1052 wskbd_displayioctl_sc(struct wskbd_softc *sc, u_long cmd, caddr_t data, 1053 int flag, struct proc *p, int evsrc) 1054 { 1055 struct wskbd_bell_data *ubdp, *kbdp; 1056 struct wskbd_keyrepeat_data *ukdp, *kkdp; 1057 struct wskbd_map_data *umdp; 1058 struct wskbd_encoding_data *uedp; 1059 kbd_t enc; 1060 void *buf; 1061 int len, error; 1062 int count, i; 1063 1064 switch (cmd) { 1065 case WSKBDIO_BELL: 1066 case WSKBDIO_COMPLEXBELL: 1067 case WSKBDIO_SETBELL: 1068 case WSKBDIO_SETKEYREPEAT: 1069 case WSKBDIO_SETDEFAULTKEYREPEAT: 1070 case WSKBDIO_SETMAP: 1071 case WSKBDIO_SETENCODING: 1072 case WSKBDIO_SETBACKLIGHT: 1073 if ((flag & FWRITE) == 0) 1074 return (EACCES); 1075 } 1076 1077 switch (cmd) { 1078 #define SETBELL(dstp, srcp, dfltp) \ 1079 do { \ 1080 (dstp)->pitch = ((srcp)->which & WSKBD_BELL_DOPITCH) ? \ 1081 (srcp)->pitch : (dfltp)->pitch; \ 1082 (dstp)->period = ((srcp)->which & WSKBD_BELL_DOPERIOD) ? \ 1083 (srcp)->period : (dfltp)->period; \ 1084 (dstp)->volume = ((srcp)->which & WSKBD_BELL_DOVOLUME) ? \ 1085 (srcp)->volume : (dfltp)->volume; \ 1086 (dstp)->which = WSKBD_BELL_DOALL; \ 1087 } while (0) 1088 1089 case WSKBDIO_BELL: 1090 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie, 1091 WSKBDIO_COMPLEXBELL, (caddr_t)&sc->sc_bell_data, flag, p)); 1092 1093 case WSKBDIO_COMPLEXBELL: 1094 ubdp = (struct wskbd_bell_data *)data; 1095 SETBELL(ubdp, ubdp, &sc->sc_bell_data); 1096 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie, 1097 WSKBDIO_COMPLEXBELL, (caddr_t)ubdp, flag, p)); 1098 1099 case WSKBDIO_SETBELL: 1100 kbdp = &sc->sc_bell_data; 1101 setbell: 1102 ubdp = (struct wskbd_bell_data *)data; 1103 SETBELL(kbdp, ubdp, kbdp); 1104 return (0); 1105 1106 case WSKBDIO_GETBELL: 1107 kbdp = &sc->sc_bell_data; 1108 getbell: 1109 ubdp = (struct wskbd_bell_data *)data; 1110 SETBELL(ubdp, kbdp, kbdp); 1111 return (0); 1112 1113 case WSKBDIO_SETDEFAULTBELL: 1114 if ((error = suser(p)) != 0) 1115 return (error); 1116 kbdp = &wskbd_default_bell_data; 1117 goto setbell; 1118 1119 1120 case WSKBDIO_GETDEFAULTBELL: 1121 kbdp = &wskbd_default_bell_data; 1122 goto getbell; 1123 1124 #undef SETBELL 1125 1126 #define SETKEYREPEAT(dstp, srcp, dfltp) \ 1127 do { \ 1128 (dstp)->del1 = ((srcp)->which & WSKBD_KEYREPEAT_DODEL1) ? \ 1129 (srcp)->del1 : (dfltp)->del1; \ 1130 (dstp)->delN = ((srcp)->which & WSKBD_KEYREPEAT_DODELN) ? \ 1131 (srcp)->delN : (dfltp)->delN; \ 1132 (dstp)->which = WSKBD_KEYREPEAT_DOALL; \ 1133 } while (0) 1134 1135 case WSKBDIO_SETKEYREPEAT: 1136 kkdp = &sc->sc_keyrepeat_data; 1137 setkeyrepeat: 1138 ukdp = (struct wskbd_keyrepeat_data *)data; 1139 SETKEYREPEAT(kkdp, ukdp, kkdp); 1140 return (0); 1141 1142 case WSKBDIO_GETKEYREPEAT: 1143 kkdp = &sc->sc_keyrepeat_data; 1144 getkeyrepeat: 1145 ukdp = (struct wskbd_keyrepeat_data *)data; 1146 SETKEYREPEAT(ukdp, kkdp, kkdp); 1147 return (0); 1148 1149 case WSKBDIO_SETDEFAULTKEYREPEAT: 1150 if ((error = suser(p)) != 0) 1151 return (error); 1152 kkdp = &wskbd_default_keyrepeat_data; 1153 goto setkeyrepeat; 1154 1155 1156 case WSKBDIO_GETDEFAULTKEYREPEAT: 1157 kkdp = &wskbd_default_keyrepeat_data; 1158 goto getkeyrepeat; 1159 1160 #undef SETKEYREPEAT 1161 1162 case WSKBDIO_SETMAP: 1163 umdp = (struct wskbd_map_data *)data; 1164 if (umdp->maplen > WSKBDIO_MAXMAPLEN) 1165 return (EINVAL); 1166 1167 buf = mallocarray(umdp->maplen, sizeof(struct wscons_keymap), 1168 M_TEMP, M_WAITOK); 1169 len = umdp->maplen * sizeof(struct wscons_keymap); 1170 1171 error = copyin(umdp->map, buf, len); 1172 if (error == 0) { 1173 struct wscons_keymap *map; 1174 1175 map = wskbd_init_keymap(umdp->maplen); 1176 memcpy(map, buf, len); 1177 wskbd_set_keymap(sc, map, umdp->maplen); 1178 /* drop the variant bits handled by the map */ 1179 enc = KB_USER | (KB_VARIANT(sc->id->t_keymap.layout) & 1180 KB_HANDLEDBYWSKBD); 1181 wskbd_update_layout(sc->id, enc); 1182 } 1183 free(buf, M_TEMP, len); 1184 return(error); 1185 1186 case WSKBDIO_GETMAP: 1187 umdp = (struct wskbd_map_data *)data; 1188 if (umdp->maplen > sc->sc_maplen) 1189 umdp->maplen = sc->sc_maplen; 1190 error = copyout(sc->sc_map, umdp->map, 1191 umdp->maplen*sizeof(struct wscons_keymap)); 1192 return(error); 1193 1194 case WSKBDIO_GETENCODING: 1195 /* Do not advertise encoding to the parent mux. */ 1196 if (evsrc && (sc->id->t_keymap.layout & KB_NOENCODING)) 1197 return (ENOTTY); 1198 *((kbd_t *)data) = sc->id->t_keymap.layout & ~KB_DEFAULT; 1199 return(0); 1200 1201 case WSKBDIO_SETENCODING: 1202 enc = *((kbd_t *)data); 1203 if (KB_ENCODING(enc) == KB_USER) { 1204 /* user map must already be loaded */ 1205 if (KB_ENCODING(sc->id->t_keymap.layout) != KB_USER) 1206 return (EINVAL); 1207 /* map variants make no sense */ 1208 if (KB_VARIANT(enc) & ~KB_HANDLEDBYWSKBD) 1209 return (EINVAL); 1210 } else if (sc->id->t_keymap.layout & KB_NOENCODING) { 1211 return (0); 1212 } else { 1213 struct wscons_keymap *map; 1214 int maplen; 1215 1216 error = wskbd_load_keymap(&sc->id->t_keymap, enc, 1217 &map, &maplen); 1218 if (error) 1219 return (error); 1220 wskbd_set_keymap(sc, map, maplen); 1221 } 1222 wskbd_update_layout(sc->id, enc); 1223 #if NWSMUX > 0 1224 /* Update mux default layout */ 1225 if (sc->sc_base.me_parent != NULL) 1226 wsmux_set_layout(sc->sc_base.me_parent, enc); 1227 #endif 1228 return (0); 1229 1230 case WSKBDIO_GETENCODINGS: 1231 uedp = (struct wskbd_encoding_data *)data; 1232 count = 0; 1233 if (sc->id->t_keymap.keydesc != NULL) { 1234 while (sc->id->t_keymap.keydesc[count].name) 1235 count++; 1236 } 1237 if (uedp->nencodings > count) 1238 uedp->nencodings = count; 1239 for (i = 0; i < uedp->nencodings; i++) { 1240 error = copyout(&sc->id->t_keymap.keydesc[i].name, 1241 &uedp->encodings[i], sizeof(kbd_t)); 1242 if (error) 1243 return (error); 1244 } 1245 return (0); 1246 1247 case WSKBDIO_GETBACKLIGHT: 1248 if (wskbd_get_backlight != NULL) 1249 return (*wskbd_get_backlight)((struct wskbd_backlight *)data); 1250 break; 1251 1252 case WSKBDIO_SETBACKLIGHT: 1253 if (wskbd_set_backlight != NULL) 1254 return (*wskbd_set_backlight)((struct wskbd_backlight *)data); 1255 break; 1256 } 1257 1258 /* 1259 * Try the keyboard driver for WSKBDIO ioctls. It returns -1 1260 * if it didn't recognize the request, and in turn we return 1261 * -1 if we didn't recognize the request. 1262 */ 1263 /* printf("kbdaccess\n"); */ 1264 error = (*sc->sc_accessops->ioctl)(sc->sc_accesscookie, cmd, data, 1265 flag, p); 1266 #ifdef WSDISPLAY_COMPAT_RAWKBD 1267 if (!error && cmd == WSKBDIO_SETMODE && *(int *)data == WSKBD_RAW) { 1268 int s = spltty(); 1269 sc->id->t_modifiers &= ~(MOD_SHIFT_L | MOD_SHIFT_R 1270 | MOD_CONTROL_L | MOD_CONTROL_R 1271 | MOD_META_L | MOD_META_R 1272 | MOD_COMMAND 1273 | MOD_COMMAND1 | MOD_COMMAND2); 1274 #if NWSDISPLAY > 0 1275 if (sc->sc_repeating) { 1276 sc->sc_repeating = 0; 1277 timeout_del(&sc->sc_repeat_ch); 1278 } 1279 #endif 1280 splx(s); 1281 } 1282 #endif 1283 return (error); 1284 } 1285 1286 int 1287 wskbdkqfilter(dev_t dev, struct knote *kn) 1288 { 1289 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)]; 1290 1291 if (sc->sc_base.me_evp == NULL) 1292 return (ENXIO); 1293 return (wsevent_kqfilter(sc->sc_base.me_evp, kn)); 1294 } 1295 1296 #if NWSDISPLAY > 0 1297 1298 int 1299 wskbd_pickfree(void) 1300 { 1301 int i; 1302 struct wskbd_softc *sc; 1303 1304 for (i = 0; i < wskbd_cd.cd_ndevs; i++) { 1305 if ((sc = wskbd_cd.cd_devs[i]) == NULL) 1306 continue; 1307 if (sc->sc_displaydv == NULL) 1308 return (i); 1309 } 1310 return (-1); 1311 } 1312 1313 struct wsevsrc * 1314 wskbd_set_console_display(struct device *displaydv, struct wsevsrc *me) 1315 { 1316 struct wskbd_softc *sc = wskbd_console_device; 1317 1318 if (sc == NULL) 1319 return (NULL); 1320 sc->sc_displaydv = displaydv; 1321 #if NWSMUX > 0 1322 (void)wsmux_attach_sc((struct wsmux_softc *)me, &sc->sc_base); 1323 #endif 1324 return (&sc->sc_base); 1325 } 1326 1327 int 1328 wskbd_set_display(struct device *dv, struct device *displaydv) 1329 { 1330 struct wskbd_softc *sc = (struct wskbd_softc *)dv; 1331 struct device *odisplaydv; 1332 int error; 1333 1334 DPRINTF(("%s: %s odisp=%p disp=%p cons=%d\n", __func__, 1335 dv->dv_xname, sc->sc_displaydv, displaydv, 1336 sc->sc_isconsole)); 1337 1338 if (sc->sc_isconsole) 1339 return (EBUSY); 1340 1341 if (displaydv != NULL) { 1342 if (sc->sc_displaydv != NULL) 1343 return (EBUSY); 1344 } else { 1345 if (sc->sc_displaydv == NULL) 1346 return (ENXIO); 1347 } 1348 1349 odisplaydv = sc->sc_displaydv; 1350 sc->sc_displaydv = NULL; 1351 error = wskbd_enable(sc, displaydv != NULL); 1352 sc->sc_displaydv = displaydv; 1353 if (error) { 1354 sc->sc_displaydv = odisplaydv; 1355 return (error); 1356 } 1357 1358 if (displaydv) 1359 printf("%s: connecting to %s\n", 1360 sc->sc_base.me_dv.dv_xname, displaydv->dv_xname); 1361 else 1362 printf("%s: disconnecting from %s\n", 1363 sc->sc_base.me_dv.dv_xname, odisplaydv->dv_xname); 1364 1365 return (0); 1366 } 1367 1368 #endif /* NWSDISPLAY > 0 */ 1369 1370 #if NWSMUX > 0 1371 int 1372 wskbd_add_mux(int unit, struct wsmux_softc *muxsc) 1373 { 1374 struct wskbd_softc *sc; 1375 1376 if (unit < 0 || unit >= wskbd_cd.cd_ndevs || 1377 (sc = wskbd_cd.cd_devs[unit]) == NULL) 1378 return (ENXIO); 1379 1380 if (sc->sc_base.me_parent != NULL || sc->sc_base.me_evp != NULL) 1381 return (EBUSY); 1382 1383 return (wsmux_attach_sc(muxsc, &sc->sc_base)); 1384 } 1385 #endif 1386 1387 /* 1388 * Console interface. 1389 */ 1390 int 1391 wskbd_cngetc(dev_t dev) 1392 { 1393 static int num = 0; 1394 static int pos; 1395 u_int type; 1396 int data; 1397 keysym_t ks; 1398 1399 if (!wskbd_console_initted) 1400 return 0; 1401 1402 if (wskbd_console_device != NULL && 1403 !wskbd_console_device->sc_translating) 1404 return 0; 1405 1406 for(;;) { 1407 if (num-- > 0) { 1408 ks = wskbd_console_data.t_symbols[pos++]; 1409 if (KS_GROUP(ks) == KS_GROUP_Ascii) 1410 return (KS_VALUE(ks)); 1411 } else { 1412 (*wskbd_console_data.t_consops->getc) 1413 (wskbd_console_data.t_consaccesscookie, 1414 &type, &data); 1415 num = wskbd_translate(&wskbd_console_data, type, data); 1416 pos = 0; 1417 } 1418 } 1419 } 1420 1421 void 1422 wskbd_cnpollc(dev_t dev, int poll) 1423 { 1424 if (!wskbd_console_initted) 1425 return; 1426 1427 if (wskbd_console_device != NULL && 1428 !wskbd_console_device->sc_translating) 1429 return; 1430 1431 (*wskbd_console_data.t_consops->pollc) 1432 (wskbd_console_data.t_consaccesscookie, poll); 1433 } 1434 1435 void 1436 wskbd_cnbell(dev_t dev, u_int pitch, u_int period, u_int volume) 1437 { 1438 if (!wskbd_console_initted) 1439 return; 1440 1441 if (wskbd_console_data.t_consops->bell != NULL) 1442 (*wskbd_console_data.t_consops->bell) 1443 (wskbd_console_data.t_consaccesscookie, pitch, period, 1444 volume); 1445 } 1446 1447 void 1448 update_leds(struct wskbd_internal *id) 1449 { 1450 int new_state; 1451 1452 new_state = 0; 1453 if (id->t_modifiers & (MOD_SHIFTLOCK | MOD_CAPSLOCK)) 1454 new_state |= WSKBD_LED_CAPS; 1455 if (id->t_modifiers & MOD_NUMLOCK) 1456 new_state |= WSKBD_LED_NUM; 1457 if (id->t_modifiers & MOD_COMPOSE) 1458 new_state |= WSKBD_LED_COMPOSE; 1459 if (id->t_modifiers & MOD_HOLDSCREEN) 1460 new_state |= WSKBD_LED_SCROLL; 1461 1462 if (id->t_sc && new_state != id->t_sc->sc_ledstate) { 1463 (*id->t_sc->sc_accessops->set_leds) 1464 (id->t_sc->sc_accesscookie, new_state); 1465 id->t_sc->sc_ledstate = new_state; 1466 } 1467 } 1468 1469 void 1470 update_modifier(struct wskbd_internal *id, u_int type, int toggle, int mask) 1471 { 1472 if (toggle) { 1473 if (type == WSCONS_EVENT_KEY_DOWN) 1474 id->t_modifiers ^= mask; 1475 } else { 1476 if (type == WSCONS_EVENT_KEY_DOWN) 1477 id->t_modifiers |= mask; 1478 else 1479 id->t_modifiers &= ~mask; 1480 } 1481 if (mask & MOD_ANYLED) 1482 update_leds(id); 1483 } 1484 1485 #if NWSDISPLAY > 0 1486 void 1487 change_displayparam(struct wskbd_softc *sc, int param, int updown, 1488 int wraparound) 1489 { 1490 int res; 1491 struct wsdisplay_param dp; 1492 1493 dp.param = param; 1494 res = wsdisplay_param(sc->sc_displaydv, WSDISPLAYIO_GETPARAM, &dp); 1495 1496 if (res == EINVAL) 1497 return; /* no such parameter */ 1498 1499 dp.curval += updown; 1500 if (dp.max < dp.curval) 1501 dp.curval = wraparound ? dp.min : dp.max; 1502 else 1503 if (dp.curval < dp.min) 1504 dp.curval = wraparound ? dp.max : dp.min; 1505 wsdisplay_param(sc->sc_displaydv, WSDISPLAYIO_SETPARAM, &dp); 1506 } 1507 #endif 1508 1509 int 1510 internal_command(struct wskbd_softc *sc, u_int *type, keysym_t ksym, 1511 keysym_t ksym2) 1512 { 1513 switch (ksym) { 1514 case KS_Cmd: 1515 update_modifier(sc->id, *type, 0, MOD_COMMAND); 1516 ksym = ksym2; 1517 break; 1518 1519 case KS_Cmd1: 1520 update_modifier(sc->id, *type, 0, MOD_COMMAND1); 1521 break; 1522 1523 case KS_Cmd2: 1524 update_modifier(sc->id, *type, 0, MOD_COMMAND2); 1525 break; 1526 } 1527 1528 if (*type != WSCONS_EVENT_KEY_DOWN) 1529 return (0); 1530 1531 #ifdef SUSPEND 1532 if (ksym == KS_Cmd_Sleep) { 1533 request_sleep(SLEEP_SUSPEND); 1534 return (1); 1535 } 1536 #endif 1537 1538 #ifdef HAVE_SCROLLBACK_SUPPORT 1539 #if NWSDISPLAY > 0 1540 switch (ksym) { 1541 case KS_Cmd_ScrollBack: 1542 if (MOD_ONESET(sc->id, MOD_ANYSHIFT)) { 1543 if (sc->sc_displaydv != NULL) 1544 wsscrollback(sc->sc_displaydv, 1545 WSDISPLAY_SCROLL_BACKWARD); 1546 return (1); 1547 } 1548 break; 1549 1550 case KS_Cmd_ScrollFwd: 1551 if (MOD_ONESET(sc->id, MOD_ANYSHIFT)) { 1552 if (sc->sc_displaydv != NULL) 1553 wsscrollback(sc->sc_displaydv, 1554 WSDISPLAY_SCROLL_FORWARD); 1555 return (1); 1556 } 1557 break; 1558 } 1559 #endif 1560 #endif 1561 1562 switch (ksym) { 1563 case KS_Cmd_KbdBacklightUp: 1564 atomic_store_int(&sc->sc_kbd_backlight_cmd, KBD_BACKLIGHT_UP); 1565 task_add(systq, &sc->sc_kbd_backlight_task); 1566 return (1); 1567 case KS_Cmd_KbdBacklightDown: 1568 atomic_store_int(&sc->sc_kbd_backlight_cmd, KBD_BACKLIGHT_DOWN); 1569 task_add(systq, &sc->sc_kbd_backlight_task); 1570 return (1); 1571 case KS_Cmd_KbdBacklightToggle: 1572 atomic_store_int(&sc->sc_kbd_backlight_cmd, KBD_BACKLIGHT_TOGGLE); 1573 task_add(systq, &sc->sc_kbd_backlight_task); 1574 return (1); 1575 } 1576 1577 #if NWSDISPLAY > 0 1578 switch(ksym) { 1579 case KS_Cmd_BrightnessUp: 1580 atomic_add_int(&sc->sc_brightness_steps, 1); 1581 task_add(systq, &sc->sc_brightness_task); 1582 return (1); 1583 case KS_Cmd_BrightnessDown: 1584 atomic_sub_int(&sc->sc_brightness_steps, 1); 1585 task_add(systq, &sc->sc_brightness_task); 1586 return (1); 1587 case KS_Cmd_BrightnessRotate: 1588 wsdisplay_brightness_cycle(sc->sc_displaydv); 1589 return (1); 1590 } 1591 #endif 1592 1593 if (!MOD_ONESET(sc->id, MOD_COMMAND) && 1594 !MOD_ALLSET(sc->id, MOD_COMMAND1 | MOD_COMMAND2)) 1595 return (0); 1596 1597 #ifdef DDB 1598 if (ksym == KS_Cmd_Debugger) { 1599 wskbd_debugger(sc); 1600 /* discard this key (ddb discarded command modifiers) */ 1601 *type = WSCONS_EVENT_KEY_UP; 1602 return (1); 1603 } 1604 #endif 1605 1606 #if NWSDISPLAY > 0 1607 if (sc->sc_displaydv == NULL) 1608 return (0); 1609 1610 switch (ksym) { 1611 case KS_Cmd_Screen0: 1612 case KS_Cmd_Screen1: 1613 case KS_Cmd_Screen2: 1614 case KS_Cmd_Screen3: 1615 case KS_Cmd_Screen4: 1616 case KS_Cmd_Screen5: 1617 case KS_Cmd_Screen6: 1618 case KS_Cmd_Screen7: 1619 case KS_Cmd_Screen8: 1620 case KS_Cmd_Screen9: 1621 case KS_Cmd_Screen10: 1622 case KS_Cmd_Screen11: 1623 wsdisplay_switch(sc->sc_displaydv, ksym - KS_Cmd_Screen0, 0); 1624 return (1); 1625 case KS_Cmd_ResetEmul: 1626 wsdisplay_reset(sc->sc_displaydv, WSDISPLAY_RESETEMUL); 1627 return (1); 1628 case KS_Cmd_ResetClose: 1629 wsdisplay_reset(sc->sc_displaydv, WSDISPLAY_RESETCLOSE); 1630 return (1); 1631 #if defined(__i386__) || defined(__amd64__) 1632 case KS_Cmd_KbdReset: 1633 switch (kbd_reset) { 1634 #ifdef DDB 1635 case 2: 1636 wskbd_debugger(sc); 1637 /* discard this key (ddb discarded command modifiers) */ 1638 *type = WSCONS_EVENT_KEY_UP; 1639 break; 1640 #endif 1641 case 1: 1642 kbd_reset = 0; 1643 prsignal(initprocess, SIGUSR1); 1644 break; 1645 default: 1646 break; 1647 } 1648 return (1); 1649 #endif 1650 case KS_Cmd_BacklightOn: 1651 case KS_Cmd_BacklightOff: 1652 case KS_Cmd_BacklightToggle: 1653 change_displayparam(sc, WSDISPLAYIO_PARAM_BACKLIGHT, 1654 ksym == KS_Cmd_BacklightOff ? -1 : 1, 1655 ksym == KS_Cmd_BacklightToggle ? 1 : 0); 1656 return (1); 1657 case KS_Cmd_ContrastUp: 1658 case KS_Cmd_ContrastDown: 1659 case KS_Cmd_ContrastRotate: 1660 change_displayparam(sc, WSDISPLAYIO_PARAM_CONTRAST, 1661 ksym == KS_Cmd_ContrastDown ? -1 : 1, 1662 ksym == KS_Cmd_ContrastRotate ? 1 : 0); 1663 return (1); 1664 } 1665 #endif 1666 return (0); 1667 } 1668 1669 int 1670 wskbd_translate(struct wskbd_internal *id, u_int type, int value) 1671 { 1672 struct wskbd_softc *sc = id->t_sc; 1673 keysym_t ksym, res, *group; 1674 struct wscons_keymap kpbuf, *kp; 1675 int gindex, iscommand = 0; 1676 1677 if (type == WSCONS_EVENT_ALL_KEYS_UP) { 1678 #if NWSDISPLAY > 0 1679 if (sc != NULL && sc->sc_repeating) { 1680 sc->sc_repeating = 0; 1681 timeout_del(&sc->sc_repeat_ch); 1682 } 1683 #endif 1684 id->t_modifiers &= ~(MOD_SHIFT_L | MOD_SHIFT_R | 1685 MOD_CONTROL_L | MOD_CONTROL_R | 1686 MOD_META_L | MOD_META_R | 1687 MOD_MODESHIFT | MOD_MODELOCK | 1688 MOD_COMMAND | MOD_COMMAND1 | MOD_COMMAND2); 1689 return (0); 1690 } 1691 1692 if (sc != NULL) { 1693 if (value < 0 || value >= sc->sc_maplen) { 1694 #ifdef DEBUG 1695 printf("wskbd_translate: keycode %d out of range\n", 1696 value); 1697 #endif 1698 return (0); 1699 } 1700 kp = sc->sc_map + value; 1701 } else { 1702 kp = &kpbuf; 1703 wskbd_get_mapentry(&id->t_keymap, value, kp); 1704 } 1705 1706 /* if this key has a command, process it first */ 1707 if (sc != NULL && kp->command != KS_voidSymbol) 1708 iscommand = internal_command(sc, &type, kp->command, 1709 kp->group1[0]); 1710 1711 /* Now update modifiers */ 1712 switch (kp->group1[0]) { 1713 case KS_Shift_L: 1714 update_modifier(id, type, 0, MOD_SHIFT_L); 1715 break; 1716 1717 case KS_Shift_R: 1718 update_modifier(id, type, 0, MOD_SHIFT_R); 1719 break; 1720 1721 case KS_Shift_Lock: 1722 update_modifier(id, type, 1, MOD_SHIFTLOCK); 1723 break; 1724 1725 case KS_Caps_Lock: 1726 update_modifier(id, type, 1, MOD_CAPSLOCK); 1727 break; 1728 1729 case KS_Control_L: 1730 update_modifier(id, type, 0, MOD_CONTROL_L); 1731 break; 1732 1733 case KS_Control_R: 1734 update_modifier(id, type, 0, MOD_CONTROL_R); 1735 break; 1736 1737 case KS_Alt_L: 1738 update_modifier(id, type, 0, MOD_META_L); 1739 break; 1740 1741 case KS_Alt_R: 1742 update_modifier(id, type, 0, MOD_META_R); 1743 break; 1744 1745 case KS_Mode_switch: 1746 update_modifier(id, type, 0, MOD_MODESHIFT); 1747 break; 1748 1749 case KS_Mode_Lock: 1750 update_modifier(id, type, 1, MOD_MODELOCK); 1751 break; 1752 1753 case KS_Num_Lock: 1754 update_modifier(id, type, 1, MOD_NUMLOCK); 1755 break; 1756 1757 #if NWSDISPLAY > 0 1758 case KS_Hold_Screen: 1759 if (sc != NULL) { 1760 update_modifier(id, type, 1, MOD_HOLDSCREEN); 1761 if (sc->sc_displaydv != NULL) 1762 wsdisplay_kbdholdscreen(sc->sc_displaydv, 1763 id->t_modifiers & MOD_HOLDSCREEN); 1764 } 1765 break; 1766 1767 default: 1768 if (sc != NULL && sc->sc_repeating && 1769 ((type == WSCONS_EVENT_KEY_UP && value != sc->sc_repkey) || 1770 (type == WSCONS_EVENT_KEY_DOWN && value == sc->sc_repkey))) 1771 return (0); 1772 break; 1773 #endif 1774 } 1775 1776 #if NWSDISPLAY > 0 1777 if (sc != NULL) { 1778 if (sc->sc_repeating) { 1779 sc->sc_repeating = 0; 1780 timeout_del(&sc->sc_repeat_ch); 1781 } 1782 sc->sc_repkey = value; 1783 } 1784 #endif 1785 1786 /* If this is a key release or we are in command mode, we are done */ 1787 if (type != WSCONS_EVENT_KEY_DOWN || iscommand) 1788 return (0); 1789 1790 /* Get the keysym */ 1791 if (id->t_modifiers & (MOD_MODESHIFT|MOD_MODELOCK) && 1792 !MOD_ONESET(id, MOD_ANYCONTROL)) 1793 group = & kp->group2[0]; 1794 else 1795 group = & kp->group1[0]; 1796 1797 if ((id->t_modifiers & MOD_NUMLOCK) && 1798 KS_GROUP(group[1]) == KS_GROUP_Keypad) { 1799 gindex = !MOD_ONESET(id, MOD_ANYSHIFT); 1800 ksym = group[gindex]; 1801 } else { 1802 /* CAPS alone should only affect letter keys */ 1803 if ((id->t_modifiers & (MOD_CAPSLOCK | MOD_ANYSHIFT)) == 1804 MOD_CAPSLOCK) { 1805 gindex = 0; 1806 ksym = ksym_upcase(group[0]); 1807 } else { 1808 gindex = MOD_ONESET(id, MOD_ANYSHIFT); 1809 ksym = group[gindex]; 1810 } 1811 } 1812 1813 /* Submit Audio keys for hotkey processing */ 1814 if (KS_GROUP(ksym) == KS_GROUP_Function) { 1815 switch (ksym) { 1816 #if NAUDIO > 0 1817 case KS_AudioMute: 1818 wskbd_set_mixervolume_dev(sc->sc_audiocookie, 0, 1); 1819 return (0); 1820 case KS_AudioLower: 1821 wskbd_set_mixervolume_dev(sc->sc_audiocookie, -1, 1); 1822 return (0); 1823 case KS_AudioRaise: 1824 wskbd_set_mixervolume_dev(sc->sc_audiocookie, 1, 1); 1825 return (0); 1826 #endif 1827 default: 1828 break; 1829 } 1830 } 1831 1832 /* Process compose sequence and dead accents */ 1833 res = KS_voidSymbol; 1834 1835 switch (KS_GROUP(ksym)) { 1836 case KS_GROUP_Ascii: 1837 case KS_GROUP_Keypad: 1838 case KS_GROUP_Function: 1839 res = ksym; 1840 break; 1841 1842 case KS_GROUP_Mod: 1843 if (ksym == KS_Multi_key) { 1844 update_modifier(id, 1, 0, MOD_COMPOSE); 1845 id->t_composelen = 2; 1846 } 1847 break; 1848 1849 case KS_GROUP_Dead: 1850 if (id->t_composelen == 0) { 1851 update_modifier(id, 1, 0, MOD_COMPOSE); 1852 id->t_composelen = 1; 1853 id->t_composebuf[0] = ksym; 1854 } else 1855 res = ksym; 1856 break; 1857 } 1858 1859 if (res == KS_voidSymbol) 1860 return (0); 1861 1862 if (id->t_composelen > 0) { 1863 /* 1864 * If the compose key also serves as AltGr (i.e. set to both 1865 * KS_Multi_key and KS_Mode_switch), and would provide a valid, 1866 * distinct combination as AltGr, leave compose mode. 1867 */ 1868 if (id->t_composelen == 2 && group == &kp->group2[0]) { 1869 if (kp->group1[gindex] != kp->group2[gindex]) 1870 id->t_composelen = 0; 1871 } 1872 1873 if (id->t_composelen != 0) { 1874 id->t_composebuf[2 - id->t_composelen] = res; 1875 if (--id->t_composelen == 0) { 1876 res = wskbd_compose_value(id->t_composebuf); 1877 update_modifier(id, 0, 0, MOD_COMPOSE); 1878 } else { 1879 return (0); 1880 } 1881 } 1882 } 1883 1884 /* We are done, return the symbol */ 1885 if (KS_GROUP(res) == KS_GROUP_Ascii) { 1886 if (MOD_ONESET(id, MOD_ANYCONTROL)) { 1887 if ((res >= KS_at && res <= KS_z) || res == KS_space) 1888 res = res & 0x1f; 1889 else if (res == KS_2) 1890 res = 0x00; 1891 else if (res >= KS_3 && res <= KS_7) 1892 res = KS_Escape + (res - KS_3); 1893 else if (res == KS_8) 1894 res = KS_Delete; 1895 } 1896 if (MOD_ONESET(id, MOD_ANYMETA)) { 1897 if (id->t_flags & WSKFL_METAESC) { 1898 id->t_symbols[0] = KS_Escape; 1899 id->t_symbols[1] = res; 1900 return (2); 1901 } else 1902 res |= 0x80; 1903 } 1904 } 1905 1906 id->t_symbols[0] = res; 1907 return (1); 1908 } 1909 1910 void 1911 wskbd_debugger(struct wskbd_softc *sc) 1912 { 1913 #ifdef DDB 1914 if (sc->sc_isconsole && db_console) { 1915 if (sc->id->t_consops->debugger != NULL) { 1916 (*sc->id->t_consops->debugger) 1917 (sc->id->t_consaccesscookie); 1918 } else 1919 db_enter(); 1920 } 1921 #endif 1922 } 1923 1924 void 1925 wskbd_set_keymap(struct wskbd_softc *sc, struct wscons_keymap *map, int maplen) 1926 { 1927 free(sc->sc_map, M_DEVBUF, sc->sc_maplen * sizeof(*sc->sc_map)); 1928 sc->sc_map = map; 1929 sc->sc_maplen = maplen; 1930 } 1931 1932 void 1933 wskbd_kbd_backlight_task(void *arg) 1934 { 1935 struct wskbd_softc *sc = arg; 1936 struct wskbd_backlight data; 1937 int step, val; 1938 u_int cmd; 1939 1940 if (wskbd_get_backlight == NULL || wskbd_set_backlight == NULL) 1941 return; 1942 1943 cmd = atomic_swap_uint(&sc->sc_kbd_backlight_cmd, 0); 1944 if (cmd != KBD_BACKLIGHT_UP && 1945 cmd != KBD_BACKLIGHT_DOWN && 1946 cmd != KBD_BACKLIGHT_TOGGLE) 1947 return; 1948 1949 (*wskbd_get_backlight)(&data); 1950 step = (data.max - data.min + 1) / 8; 1951 val = (cmd == KBD_BACKLIGHT_UP) ? data.curval + step : 1952 (cmd == KBD_BACKLIGHT_DOWN) ? data.curval - step : 1953 (data.curval) ? 0 : (data.max - data.min + 1) / 2; 1954 data.curval = (val > 0xff) ? 0xff : (val < 0) ? 0 : val; 1955 (*wskbd_set_backlight)(&data); 1956 } 1957 1958 #if NWSDISPLAY > 0 1959 void 1960 wskbd_brightness_task(void *arg) 1961 { 1962 struct wskbd_softc *sc = arg; 1963 int steps = atomic_swap_uint(&sc->sc_brightness_steps, 0); 1964 int dir = 1; 1965 1966 if (steps < 0) { 1967 steps = -steps; 1968 dir = -1; 1969 } 1970 while (steps--) 1971 wsdisplay_brightness_step(NULL, dir); 1972 } 1973 #endif 1974