wsdisplay.c revision 1.96
1 /* $NetBSD: wsdisplay.c,v 1.96 2006/04/13 01:15:27 macallan Exp $ */ 2 3 /* 4 * Copyright (c) 1996, 1997 Christopher G. Demetriou. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 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 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Christopher G. Demetriou 17 * for the NetBSD Project. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: wsdisplay.c,v 1.96 2006/04/13 01:15:27 macallan Exp $"); 35 36 #include "opt_wsdisplay_compat.h" 37 #include "opt_wsmsgattrs.h" 38 #include "opt_compat_netbsd.h" 39 #include "wskbd.h" 40 #include "wsmux.h" 41 #include "wsdisplay.h" 42 43 #include <sys/param.h> 44 #include <sys/conf.h> 45 #include <sys/device.h> 46 #include <sys/ioctl.h> 47 #include <sys/poll.h> 48 #include <sys/kernel.h> 49 #include <sys/proc.h> 50 #include <sys/malloc.h> 51 #include <sys/syslog.h> 52 #include <sys/systm.h> 53 #include <sys/tty.h> 54 #include <sys/signalvar.h> 55 #include <sys/errno.h> 56 #include <sys/fcntl.h> 57 #include <sys/vnode.h> 58 59 #include <dev/wscons/wseventvar.h> 60 #include <dev/wscons/wsmuxvar.h> 61 #include <dev/wscons/wsconsio.h> 62 #include <dev/wscons/wsdisplayvar.h> 63 #include <dev/wscons/wsksymvar.h> 64 #include <dev/wscons/wsksymdef.h> 65 #include <dev/wscons/wsemulvar.h> 66 #include <dev/wscons/wscons_callbacks.h> 67 #include <dev/cons.h> 68 69 struct wsscreen_internal { 70 const struct wsdisplay_emulops *emulops; 71 void *emulcookie; 72 73 const struct wsscreen_descr *scrdata; 74 75 const struct wsemul_ops *wsemul; 76 void *wsemulcookie; 77 }; 78 79 struct wsscreen { 80 struct wsscreen_internal *scr_dconf; 81 82 struct tty *scr_tty; 83 int scr_hold_screen; /* hold tty output */ 84 85 int scr_flags; 86 #define SCR_OPEN 1 /* is it open? */ 87 #define SCR_WAITACTIVE 2 /* someone waiting on activation */ 88 #define SCR_GRAPHICS 4 /* graphics mode, no text (emulation) output */ 89 #define SCR_DUMBFB 8 /* in use as a dumb fb (iff SCR_GRAPHICS) */ 90 const struct wscons_syncops *scr_syncops; 91 void *scr_synccookie; 92 93 #ifdef WSDISPLAY_COMPAT_RAWKBD 94 int scr_rawkbd; 95 #endif 96 97 struct wsdisplay_softc *sc; 98 }; 99 100 struct wsscreen *wsscreen_attach(struct wsdisplay_softc *, int, 101 const char *, 102 const struct wsscreen_descr *, void *, 103 int, int, long); 104 void wsscreen_detach(struct wsscreen *); 105 int wsdisplay_addscreen(struct wsdisplay_softc *, int, const char *, const char *); 106 static void wsdisplay_shutdownhook(void *); 107 static void wsdisplay_addscreen_print(struct wsdisplay_softc *, int, int); 108 static void wsdisplay_closescreen(struct wsdisplay_softc *, struct wsscreen *); 109 int wsdisplay_delscreen(struct wsdisplay_softc *, int, int); 110 111 #define WSDISPLAY_MAXSCREEN 8 112 113 struct wsdisplay_softc { 114 struct device sc_dv; 115 116 const struct wsdisplay_accessops *sc_accessops; 117 void *sc_accesscookie; 118 119 const struct wsscreen_list *sc_scrdata; 120 #ifdef WSDISPLAY_SCROLLSUPPORT 121 struct wsdisplay_scroll_data sc_scroll_values; 122 #endif 123 124 struct wsscreen *sc_scr[WSDISPLAY_MAXSCREEN]; 125 int sc_focusidx; /* available only if sc_focus isn't null */ 126 struct wsscreen *sc_focus; 127 128 struct wseventvar evar; 129 130 int sc_isconsole; 131 132 int sc_flags; 133 #define SC_SWITCHPENDING 1 134 int sc_screenwanted, sc_oldscreen; /* valid with SC_SWITCHPENDING */ 135 136 #if NWSKBD > 0 137 struct wsevsrc *sc_input; 138 #ifdef WSDISPLAY_COMPAT_RAWKBD 139 int sc_rawkbd; 140 #endif 141 #endif /* NWSKBD > 0 */ 142 }; 143 144 #ifdef WSDISPLAY_SCROLLSUPPORT 145 146 struct wsdisplay_scroll_data wsdisplay_default_scroll_values = { 147 WSDISPLAY_SCROLL_DOALL, 148 25, 149 2, 150 }; 151 #endif 152 153 extern struct cfdriver wsdisplay_cd; 154 155 /* Autoconfiguration definitions. */ 156 static int wsdisplay_emul_match(struct device *, struct cfdata *, void *); 157 static void wsdisplay_emul_attach(struct device *, struct device *, void *); 158 static int wsdisplay_noemul_match(struct device *, struct cfdata *, void *); 159 static void wsdisplay_noemul_attach(struct device *, struct device *, void *); 160 161 CFATTACH_DECL(wsdisplay_emul, sizeof (struct wsdisplay_softc), 162 wsdisplay_emul_match, wsdisplay_emul_attach, NULL, NULL); 163 164 CFATTACH_DECL(wsdisplay_noemul, sizeof (struct wsdisplay_softc), 165 wsdisplay_noemul_match, wsdisplay_noemul_attach, NULL, NULL); 166 167 dev_type_open(wsdisplayopen); 168 dev_type_close(wsdisplayclose); 169 dev_type_read(wsdisplayread); 170 dev_type_write(wsdisplaywrite); 171 dev_type_ioctl(wsdisplayioctl); 172 dev_type_stop(wsdisplaystop); 173 dev_type_tty(wsdisplaytty); 174 dev_type_poll(wsdisplaypoll); 175 dev_type_mmap(wsdisplaymmap); 176 dev_type_kqfilter(wsdisplaykqfilter); 177 178 const struct cdevsw wsdisplay_cdevsw = { 179 wsdisplayopen, wsdisplayclose, wsdisplayread, wsdisplaywrite, 180 wsdisplayioctl, wsdisplaystop, wsdisplaytty, wsdisplaypoll, 181 wsdisplaymmap, wsdisplaykqfilter, D_TTY 182 }; 183 184 static void wsdisplaystart(struct tty *); 185 static int wsdisplayparam(struct tty *, struct termios *); 186 187 188 #define WSDISPLAYUNIT(dev) (minor(dev) >> 8) 189 #define WSDISPLAYSCREEN(dev) (minor(dev) & 0xff) 190 #define ISWSDISPLAYSTAT(dev) (WSDISPLAYSCREEN(dev) == 254) 191 #define ISWSDISPLAYCTL(dev) (WSDISPLAYSCREEN(dev) == 255) 192 #define WSDISPLAYMINOR(unit, screen) (((unit) << 8) | (screen)) 193 194 #define WSSCREEN_HAS_EMULATOR(scr) ((scr)->scr_dconf->wsemul != NULL) 195 #define WSSCREEN_HAS_TTY(scr) ((scr)->scr_tty != NULL) 196 197 static void wsdisplay_common_attach(struct wsdisplay_softc *sc, 198 int console, int kbdmux, const struct wsscreen_list *, 199 const struct wsdisplay_accessops *accessops, 200 void *accesscookie); 201 202 #ifdef WSDISPLAY_COMPAT_RAWKBD 203 int wsdisplay_update_rawkbd(struct wsdisplay_softc *, 204 struct wsscreen *); 205 #endif 206 207 static int wsdisplay_console_initted; 208 static int wsdisplay_console_attached; 209 static struct wsdisplay_softc *wsdisplay_console_device; 210 static struct wsscreen_internal wsdisplay_console_conf; 211 212 static int wsdisplay_getc_dummy(dev_t); 213 static void wsdisplay_pollc(dev_t, int); 214 215 static int wsdisplay_cons_pollmode; 216 static void (*wsdisplay_cons_kbd_pollc)(dev_t, int); 217 218 static struct consdev wsdisplay_cons = { 219 NULL, NULL, wsdisplay_getc_dummy, wsdisplay_cnputc, 220 wsdisplay_pollc, NULL, NULL, NULL, NODEV, CN_NORMAL 221 }; 222 223 #ifndef WSDISPLAY_DEFAULTSCREENS 224 # define WSDISPLAY_DEFAULTSCREENS 0 225 #endif 226 int wsdisplay_defaultscreens = WSDISPLAY_DEFAULTSCREENS; 227 228 int wsdisplay_switch1(void *, int, int); 229 int wsdisplay_switch2(void *, int, int); 230 int wsdisplay_switch3(void *, int, int); 231 232 int wsdisplay_clearonclose; 233 234 struct wsscreen * 235 wsscreen_attach(struct wsdisplay_softc *sc, int console, const char *emul, 236 const struct wsscreen_descr *type, void *cookie, int ccol, 237 int crow, long defattr) 238 { 239 struct wsscreen_internal *dconf; 240 struct wsscreen *scr; 241 242 scr = malloc(sizeof(struct wsscreen), M_DEVBUF, M_WAITOK); 243 if (!scr) 244 return (NULL); 245 246 if (console) { 247 dconf = &wsdisplay_console_conf; 248 /* 249 * If there's an emulation, tell it about the callback argument. 250 * The other stuff is already there. 251 */ 252 if (dconf->wsemul != NULL) 253 (*dconf->wsemul->attach)(1, 0, 0, 0, 0, scr, 0); 254 } else { /* not console */ 255 dconf = malloc(sizeof(struct wsscreen_internal), 256 M_DEVBUF, M_NOWAIT); 257 dconf->emulops = type->textops; 258 dconf->emulcookie = cookie; 259 if (dconf->emulops) { 260 dconf->wsemul = wsemul_pick(emul); 261 if (dconf->wsemul == NULL) { 262 free(dconf, M_DEVBUF); 263 free(scr, M_DEVBUF); 264 return (NULL); 265 } 266 dconf->wsemulcookie = 267 (*dconf->wsemul->attach)(0, type, cookie, 268 ccol, crow, scr, defattr); 269 } else 270 dconf->wsemul = NULL; 271 dconf->scrdata = type; 272 } 273 274 scr->scr_dconf = dconf; 275 276 scr->scr_tty = ttymalloc(); 277 tty_attach(scr->scr_tty); 278 scr->scr_hold_screen = 0; 279 if (WSSCREEN_HAS_EMULATOR(scr)) 280 scr->scr_flags = 0; 281 else 282 scr->scr_flags = SCR_GRAPHICS; 283 284 scr->scr_syncops = 0; 285 scr->sc = sc; 286 #ifdef WSDISPLAY_COMPAT_RAWKBD 287 scr->scr_rawkbd = 0; 288 #endif 289 return (scr); 290 } 291 292 void 293 wsscreen_detach(struct wsscreen *scr) 294 { 295 u_int ccol, crow; /* XXX */ 296 297 if (WSSCREEN_HAS_TTY(scr)) { 298 tty_detach(scr->scr_tty); 299 ttyfree(scr->scr_tty); 300 } 301 if (WSSCREEN_HAS_EMULATOR(scr)) 302 (*scr->scr_dconf->wsemul->detach)(scr->scr_dconf->wsemulcookie, 303 &ccol, &crow); 304 free(scr->scr_dconf, M_DEVBUF); 305 free(scr, M_DEVBUF); 306 } 307 308 const struct wsscreen_descr * 309 wsdisplay_screentype_pick(const struct wsscreen_list *scrdata, const char *name) 310 { 311 int i; 312 const struct wsscreen_descr *scr; 313 314 KASSERT(scrdata->nscreens > 0); 315 316 if (name == NULL) 317 return (scrdata->screens[0]); 318 319 for (i = 0; i < scrdata->nscreens; i++) { 320 scr = scrdata->screens[i]; 321 if (!strcmp(name, scr->name)) 322 return (scr); 323 } 324 325 return (0); 326 } 327 328 /* 329 * print info about attached screen 330 */ 331 static void 332 wsdisplay_addscreen_print(struct wsdisplay_softc *sc, int idx, int count) 333 { 334 printf("%s: screen %d", sc->sc_dv.dv_xname, idx); 335 if (count > 1) 336 printf("-%d", idx + (count-1)); 337 printf(" added (%s", sc->sc_scr[idx]->scr_dconf->scrdata->name); 338 if (WSSCREEN_HAS_EMULATOR(sc->sc_scr[idx])) { 339 printf(", %s emulation", 340 sc->sc_scr[idx]->scr_dconf->wsemul->name); 341 } 342 printf(")\n"); 343 } 344 345 int 346 wsdisplay_addscreen(struct wsdisplay_softc *sc, int idx, 347 const char *screentype, const char *emul) 348 { 349 const struct wsscreen_descr *scrdesc; 350 int error; 351 void *cookie; 352 int ccol, crow; 353 long defattr; 354 struct wsscreen *scr; 355 int s; 356 357 if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN) 358 return (EINVAL); 359 if (sc->sc_scr[idx] != NULL) 360 return (EBUSY); 361 362 scrdesc = wsdisplay_screentype_pick(sc->sc_scrdata, screentype); 363 if (!scrdesc) 364 return (ENXIO); 365 error = (*sc->sc_accessops->alloc_screen)(sc->sc_accesscookie, 366 scrdesc, &cookie, &ccol, &crow, &defattr); 367 if (error) 368 return (error); 369 370 scr = wsscreen_attach(sc, 0, emul, scrdesc, 371 cookie, ccol, crow, defattr); 372 if (scr == NULL) { 373 (*sc->sc_accessops->free_screen)(sc->sc_accesscookie, 374 cookie); 375 return (ENXIO); 376 } 377 378 sc->sc_scr[idx] = scr; 379 380 /* if no screen has focus yet, activate the first we get */ 381 s = spltty(); 382 if (!sc->sc_focus) { 383 (*sc->sc_accessops->show_screen)(sc->sc_accesscookie, 384 scr->scr_dconf->emulcookie, 385 0, 0, 0); 386 sc->sc_focusidx = idx; 387 sc->sc_focus = scr; 388 } 389 splx(s); 390 return (0); 391 } 392 393 static void 394 wsdisplay_closescreen(struct wsdisplay_softc *sc, struct wsscreen *scr) 395 { 396 int maj, mn, idx; 397 398 /* hangup */ 399 if (WSSCREEN_HAS_TTY(scr)) { 400 struct tty *tp = scr->scr_tty; 401 (*tp->t_linesw->l_modem)(tp, 0); 402 } 403 404 /* locate the major number */ 405 maj = cdevsw_lookup_major(&wsdisplay_cdevsw); 406 /* locate the screen index */ 407 for (idx = 0; idx < WSDISPLAY_MAXSCREEN; idx++) 408 if (scr == sc->sc_scr[idx]) 409 break; 410 #ifdef DIAGNOSTIC 411 if (idx == WSDISPLAY_MAXSCREEN) 412 panic("wsdisplay_forceclose: bad screen"); 413 #endif 414 415 /* nuke the vnodes */ 416 mn = WSDISPLAYMINOR(device_unit(&sc->sc_dv), idx); 417 vdevgone(maj, mn, mn, VCHR); 418 } 419 420 #ifdef WSDISPLAY_SCROLLSUPPORT 421 void 422 wsdisplay_scroll(void *arg, int op) 423 { 424 struct wsdisplay_softc *sc = arg; 425 int lines; 426 427 if (op == WSDISPLAY_SCROLL_RESET) 428 lines = 0; 429 else { 430 lines = (op & WSDISPLAY_SCROLL_LOW) ? 431 sc->sc_scroll_values.slowlines : 432 sc->sc_scroll_values.fastlines; 433 if (op & WSDISPLAY_SCROLL_BACKWARD) 434 lines = -(lines); 435 } 436 437 if (sc->sc_accessops->scroll) { 438 (*sc->sc_accessops->scroll)(sc->sc_accesscookie, 439 sc->sc_focus->scr_dconf->emulcookie, lines); 440 } 441 } 442 #endif 443 444 int 445 wsdisplay_delscreen(struct wsdisplay_softc *sc, int idx, int flags) 446 { 447 struct wsscreen *scr; 448 int s; 449 void *cookie; 450 451 if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN) 452 return (EINVAL); 453 if ((scr = sc->sc_scr[idx]) == NULL) 454 return (ENXIO); 455 456 if (scr->scr_dconf == &wsdisplay_console_conf || 457 scr->scr_syncops || 458 ((scr->scr_flags & SCR_OPEN) && !(flags & WSDISPLAY_DELSCR_FORCE))) 459 return(EBUSY); 460 461 wsdisplay_closescreen(sc, scr); 462 463 /* 464 * delete pointers, so neither device entries 465 * nor keyboard input can reference it anymore 466 */ 467 s = spltty(); 468 if (sc->sc_focus == scr) { 469 sc->sc_focus = 0; 470 #ifdef WSDISPLAY_COMPAT_RAWKBD 471 wsdisplay_update_rawkbd(sc, 0); 472 #endif 473 } 474 sc->sc_scr[idx] = 0; 475 splx(s); 476 477 /* 478 * Wake up processes waiting for the screen to 479 * be activated. Sleepers must check whether 480 * the screen still exists. 481 */ 482 if (scr->scr_flags & SCR_WAITACTIVE) 483 wakeup(scr); 484 485 /* save a reference to the graphics screen */ 486 cookie = scr->scr_dconf->emulcookie; 487 488 wsscreen_detach(scr); 489 490 (*sc->sc_accessops->free_screen)(sc->sc_accesscookie, 491 cookie); 492 493 printf("%s: screen %d deleted\n", sc->sc_dv.dv_xname, idx); 494 return (0); 495 } 496 497 /* 498 * Autoconfiguration functions. 499 */ 500 int 501 wsdisplay_emul_match(struct device *parent, struct cfdata *match, void *aux) 502 { 503 struct wsemuldisplaydev_attach_args *ap = aux; 504 505 if (match->wsemuldisplaydevcf_console != 506 WSEMULDISPLAYDEVCF_CONSOLE_UNK) { 507 /* 508 * If console-ness of device specified, either match 509 * exactly (at high priority), or fail. 510 */ 511 if (match->wsemuldisplaydevcf_console != 0 && 512 ap->console != 0) 513 return (10); 514 else 515 return (0); 516 } 517 518 /* If console-ness unspecified, it wins. */ 519 return (1); 520 } 521 522 void 523 wsdisplay_emul_attach(struct device *parent, struct device *self, void *aux) 524 { 525 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)self; 526 struct wsemuldisplaydev_attach_args *ap = aux; 527 528 /* Don't allow more than one console to attach */ 529 if (wsdisplay_console_attached && ap->console) 530 ap->console = 0; 531 532 wsdisplay_common_attach(sc, ap->console, 533 device_cfdata(&sc->sc_dv)->wsemuldisplaydevcf_kbdmux, ap->scrdata, 534 ap->accessops, ap->accesscookie); 535 536 if (ap->console) { 537 int maj; 538 539 /* locate the major number */ 540 maj = cdevsw_lookup_major(&wsdisplay_cdevsw); 541 542 cn_tab->cn_dev = makedev(maj, WSDISPLAYMINOR(device_unit(self), 543 0)); 544 } 545 } 546 547 /* Print function (for parent devices). */ 548 int 549 wsemuldisplaydevprint(void *aux, const char *pnp) 550 { 551 #if 0 /* -Wunused */ 552 struct wsemuldisplaydev_attach_args *ap = aux; 553 #endif 554 555 if (pnp) 556 aprint_normal("wsdisplay at %s", pnp); 557 #if 0 /* don't bother; it's ugly */ 558 aprint_normal(" console %d", ap->console); 559 #endif 560 561 return (UNCONF); 562 } 563 564 int 565 wsdisplay_noemul_match(struct device *parent, struct cfdata *match, void *aux) 566 { 567 #if 0 /* -Wunused */ 568 struct wsdisplaydev_attach_args *ap = aux; 569 #endif 570 571 /* Always match. */ 572 return (1); 573 } 574 575 void 576 wsdisplay_noemul_attach(struct device *parent, struct device *self, void *aux) 577 { 578 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)self; 579 struct wsdisplaydev_attach_args *ap = aux; 580 581 wsdisplay_common_attach(sc, 0, 582 device_cfdata(&sc->sc_dv)->wsemuldisplaydevcf_kbdmux, NULL, 583 ap->accessops, ap->accesscookie); 584 } 585 586 /* Print function (for parent devices). */ 587 int 588 wsdisplaydevprint(void *aux, const char *pnp) 589 { 590 #if 0 /* -Wunused */ 591 struct wsdisplaydev_attach_args *ap = aux; 592 #endif 593 594 if (pnp) 595 aprint_normal("wsdisplay at %s", pnp); 596 597 return (UNCONF); 598 } 599 600 static void 601 wsdisplay_common_attach(struct wsdisplay_softc *sc, int console, int kbdmux, 602 const struct wsscreen_list *scrdata, 603 const struct wsdisplay_accessops *accessops, 604 void *accesscookie) 605 { 606 static int hookset; 607 int i, start=0; 608 #if NWSKBD > 0 609 struct wsevsrc *kme; 610 #if NWSMUX > 0 611 struct wsmux_softc *mux; 612 613 if (kbdmux >= 0) 614 mux = wsmux_getmux(kbdmux); 615 else 616 mux = wsmux_create("dmux", device_unit(&sc->sc_dv)); 617 /* XXX panic()ing isn't nice, but attach cannot fail */ 618 if (mux == NULL) 619 panic("wsdisplay_common_attach: no memory"); 620 sc->sc_input = &mux->sc_base; 621 mux->sc_base.me_dispdv = &sc->sc_dv; 622 printf(" kbdmux %d", kbdmux); 623 #else 624 if (kbdmux >= 0) 625 printf(" (kbdmux ignored)"); 626 #endif 627 #endif 628 629 sc->sc_isconsole = console; 630 631 if (console) { 632 KASSERT(wsdisplay_console_initted); 633 KASSERT(wsdisplay_console_device == NULL); 634 635 sc->sc_scr[0] = wsscreen_attach(sc, 1, 0, 0, 0, 0, 0, 0); 636 wsdisplay_console_device = sc; 637 638 printf(": console (%s, %s emulation)", 639 wsdisplay_console_conf.scrdata->name, 640 wsdisplay_console_conf.wsemul->name); 641 642 #if NWSKBD > 0 643 kme = wskbd_set_console_display(&sc->sc_dv, sc->sc_input); 644 if (kme != NULL) 645 printf(", using %s", kme->me_dv.dv_xname); 646 #if NWSMUX == 0 647 sc->sc_input = kme; 648 #endif 649 #endif 650 651 sc->sc_focusidx = 0; 652 sc->sc_focus = sc->sc_scr[0]; 653 start = 1; 654 655 wsdisplay_console_attached = 1; 656 } 657 printf("\n"); 658 659 #if NWSKBD > 0 && NWSMUX > 0 660 wsmux_set_display(mux, &sc->sc_dv); 661 #endif 662 663 sc->sc_accessops = accessops; 664 sc->sc_accesscookie = accesscookie; 665 sc->sc_scrdata = scrdata; 666 667 #ifdef WSDISPLAY_SCROLLSUPPORT 668 sc->sc_scroll_values = wsdisplay_default_scroll_values; 669 #endif 670 671 /* 672 * Set up a number of virtual screens if wanted. The 673 * WSDISPLAYIO_ADDSCREEN ioctl is more flexible, so this code 674 * is for special cases like installation kernels. 675 */ 676 for (i = start; i < wsdisplay_defaultscreens; i++) { 677 if (wsdisplay_addscreen(sc, i, 0, 0)) 678 break; 679 } 680 681 if (i > start) 682 wsdisplay_addscreen_print(sc, start, i-start); 683 684 if (hookset == 0) 685 shutdownhook_establish(wsdisplay_shutdownhook, NULL); 686 hookset = 1; 687 } 688 689 void 690 wsdisplay_cnattach(const struct wsscreen_descr *type, void *cookie, 691 int ccol, int crow, long defattr) 692 { 693 const struct wsemul_ops *wsemul; 694 695 KASSERT(!wsdisplay_console_initted); 696 KASSERT(type->nrows > 0); 697 KASSERT(type->ncols > 0); 698 KASSERT(crow < type->nrows); 699 KASSERT(ccol < type->ncols); 700 701 wsdisplay_console_conf.emulops = type->textops; 702 wsdisplay_console_conf.emulcookie = cookie; 703 wsdisplay_console_conf.scrdata = type; 704 705 wsemul = wsemul_pick(0); /* default */ 706 wsdisplay_console_conf.wsemul = wsemul; 707 wsdisplay_console_conf.wsemulcookie = (*wsemul->cnattach)(type, cookie, 708 ccol, crow, 709 defattr); 710 711 cn_tab = &wsdisplay_cons; 712 wsdisplay_console_initted = 1; 713 } 714 715 /* 716 * Tty and cdevsw functions. 717 */ 718 int 719 wsdisplayopen(dev_t dev, int flag, int mode, struct lwp *l) 720 { 721 struct wsdisplay_softc *sc; 722 struct tty *tp; 723 int newopen, error; 724 struct wsscreen *scr; 725 726 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 727 if (sc == NULL) /* make sure it was attached */ 728 return (ENXIO); 729 730 if (ISWSDISPLAYSTAT(dev)) { 731 wsevent_init(&sc->evar, l->l_proc); 732 return (0); 733 } 734 735 if (ISWSDISPLAYCTL(dev)) 736 return (0); 737 738 if (WSDISPLAYSCREEN(dev) >= WSDISPLAY_MAXSCREEN) 739 return (ENXIO); 740 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 741 return (ENXIO); 742 743 if (WSSCREEN_HAS_TTY(scr)) { 744 tp = scr->scr_tty; 745 tp->t_oproc = wsdisplaystart; 746 tp->t_param = wsdisplayparam; 747 tp->t_dev = dev; 748 newopen = (tp->t_state & TS_ISOPEN) == 0; 749 if (newopen) { 750 ttychars(tp); 751 tp->t_iflag = TTYDEF_IFLAG; 752 tp->t_oflag = TTYDEF_OFLAG; 753 tp->t_cflag = TTYDEF_CFLAG; 754 tp->t_lflag = TTYDEF_LFLAG; 755 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 756 wsdisplayparam(tp, &tp->t_termios); 757 ttsetwater(tp); 758 } else if ((tp->t_state & TS_XCLUDE) != 0 && 759 suser(l->l_proc->p_ucred, &l->l_proc->p_acflag) != 0) 760 return EBUSY; 761 tp->t_state |= TS_CARR_ON; 762 763 error = ((*tp->t_linesw->l_open)(dev, tp)); 764 if (error) 765 return (error); 766 767 if (newopen && WSSCREEN_HAS_EMULATOR(scr)) { 768 /* set window sizes as appropriate, and reset 769 the emulation */ 770 tp->t_winsize.ws_row = scr->scr_dconf->scrdata->nrows; 771 tp->t_winsize.ws_col = scr->scr_dconf->scrdata->ncols; 772 773 /* wsdisplay_set_emulation() */ 774 } 775 } 776 777 scr->scr_flags |= SCR_OPEN; 778 return (0); 779 } 780 781 int 782 wsdisplayclose(dev_t dev, int flag, int mode, struct lwp *l) 783 { 784 struct wsdisplay_softc *sc; 785 struct tty *tp; 786 struct wsscreen *scr; 787 788 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 789 790 if (ISWSDISPLAYSTAT(dev)) { 791 wsevent_fini(&sc->evar); 792 return (0); 793 } 794 795 if (ISWSDISPLAYCTL(dev)) 796 return (0); 797 798 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 799 return (0); 800 801 if (WSSCREEN_HAS_TTY(scr)) { 802 if (scr->scr_hold_screen) { 803 int s; 804 805 /* XXX RESET KEYBOARD LEDS, etc. */ 806 s = spltty(); /* avoid conflict with keyboard */ 807 wsdisplay_kbdholdscreen((struct device *)sc, 0); 808 splx(s); 809 } 810 tp = scr->scr_tty; 811 (*tp->t_linesw->l_close)(tp, flag); 812 ttyclose(tp); 813 } 814 815 if (scr->scr_syncops) 816 (*scr->scr_syncops->destroy)(scr->scr_synccookie); 817 818 if (WSSCREEN_HAS_EMULATOR(scr)) { 819 scr->scr_flags &= ~SCR_GRAPHICS; 820 (*scr->scr_dconf->wsemul->reset)(scr->scr_dconf->wsemulcookie, 821 WSEMUL_RESET); 822 if (wsdisplay_clearonclose) 823 (*scr->scr_dconf->wsemul->reset) 824 (scr->scr_dconf->wsemulcookie, 825 WSEMUL_CLEARSCREEN); 826 } 827 828 #ifdef WSDISPLAY_COMPAT_RAWKBD 829 if (scr->scr_rawkbd) { 830 int kbmode = WSKBD_TRANSLATED; 831 (void)wsdisplay_internal_ioctl(sc, scr, WSKBDIO_SETMODE, 832 (caddr_t)&kbmode, 0, l); 833 } 834 #endif 835 836 scr->scr_flags &= ~SCR_OPEN; 837 838 return (0); 839 } 840 841 int 842 wsdisplayread(dev_t dev, struct uio *uio, int flag) 843 { 844 struct wsdisplay_softc *sc; 845 struct tty *tp; 846 struct wsscreen *scr; 847 int error; 848 849 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 850 851 if (ISWSDISPLAYSTAT(dev)) { 852 error = wsevent_read(&sc->evar, uio, flag); 853 return (error); 854 } 855 856 if (ISWSDISPLAYCTL(dev)) 857 return (0); 858 859 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 860 return (ENXIO); 861 862 if (!WSSCREEN_HAS_TTY(scr)) 863 return (ENODEV); 864 865 tp = scr->scr_tty; 866 return ((*tp->t_linesw->l_read)(tp, uio, flag)); 867 } 868 869 int 870 wsdisplaywrite(dev_t dev, struct uio *uio, int flag) 871 { 872 struct wsdisplay_softc *sc; 873 struct tty *tp; 874 struct wsscreen *scr; 875 876 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 877 878 if (ISWSDISPLAYSTAT(dev)) { 879 return (0); 880 } 881 882 if (ISWSDISPLAYCTL(dev)) 883 return (0); 884 885 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 886 return (ENXIO); 887 888 if (!WSSCREEN_HAS_TTY(scr)) 889 return (ENODEV); 890 891 tp = scr->scr_tty; 892 return ((*tp->t_linesw->l_write)(tp, uio, flag)); 893 } 894 895 int 896 wsdisplaypoll(dev_t dev, int events, struct lwp *l) 897 { 898 struct wsdisplay_softc *sc; 899 struct tty *tp; 900 struct wsscreen *scr; 901 902 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 903 904 if (ISWSDISPLAYSTAT(dev)) 905 return (wsevent_poll(&sc->evar, events, l)); 906 907 if (ISWSDISPLAYCTL(dev)) 908 return (0); 909 910 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 911 return (POLLHUP); 912 913 if (!WSSCREEN_HAS_TTY(scr)) 914 return (POLLERR); 915 916 tp = scr->scr_tty; 917 return ((*tp->t_linesw->l_poll)(tp, events, l)); 918 } 919 920 int 921 wsdisplaykqfilter(dev, kn) 922 dev_t dev; 923 struct knote *kn; 924 { 925 struct wsdisplay_softc *sc = 926 device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 927 struct wsscreen *scr; 928 929 if (ISWSDISPLAYCTL(dev)) 930 return (1); 931 932 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 933 return (1); 934 935 936 if (WSSCREEN_HAS_TTY(scr)) 937 return (ttykqfilter(dev, kn)); 938 else 939 return (1); 940 } 941 942 struct tty * 943 wsdisplaytty(dev_t dev) 944 { 945 struct wsdisplay_softc *sc; 946 struct wsscreen *scr; 947 948 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 949 950 if (ISWSDISPLAYSTAT(dev)) 951 panic("wsdisplaytty() on status device"); 952 953 if (ISWSDISPLAYCTL(dev)) 954 panic("wsdisplaytty() on ctl device"); 955 956 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 957 return NULL; 958 959 return (scr->scr_tty); 960 } 961 962 int 963 wsdisplayioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct lwp *l) 964 { 965 struct wsdisplay_softc *sc; 966 struct tty *tp; 967 int error; 968 struct wsscreen *scr; 969 970 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 971 972 #ifdef WSDISPLAY_COMPAT_USL 973 error = wsdisplay_usl_ioctl1(sc, cmd, data, flag, l); 974 if (error != EPASSTHROUGH) 975 return (error); 976 #endif 977 978 if (ISWSDISPLAYSTAT(dev)) 979 return (wsdisplay_stat_ioctl(sc, cmd, data, flag, l)); 980 981 if (ISWSDISPLAYCTL(dev)) 982 return (wsdisplay_cfg_ioctl(sc, cmd, data, flag, l)); 983 984 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 985 return (ENXIO); 986 987 if (WSSCREEN_HAS_TTY(scr)) { 988 tp = scr->scr_tty; 989 990 /* printf("disc\n"); */ 991 /* do the line discipline ioctls first */ 992 error = (*tp->t_linesw->l_ioctl)(tp, cmd, data, flag, l); 993 if (error != EPASSTHROUGH) 994 return (error); 995 996 /* printf("tty\n"); */ 997 /* then the tty ioctls */ 998 error = ttioctl(tp, cmd, data, flag, l); 999 if (error != EPASSTHROUGH) 1000 return (error); 1001 } 1002 1003 #ifdef WSDISPLAY_COMPAT_USL 1004 error = wsdisplay_usl_ioctl2(sc, scr, cmd, data, flag, l); 1005 if (error != EPASSTHROUGH) 1006 return (error); 1007 #endif 1008 1009 return (wsdisplay_internal_ioctl(sc, scr, cmd, data, flag, l)); 1010 } 1011 1012 int 1013 wsdisplay_param(struct device *dev, u_long cmd, struct wsdisplay_param *dp) 1014 { 1015 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 1016 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie, 1017 sc->sc_focus->scr_dconf->emulcookie, 1018 cmd, (caddr_t)dp, 0, NULL)); 1019 } 1020 1021 int 1022 wsdisplay_internal_ioctl(struct wsdisplay_softc *sc, struct wsscreen *scr, 1023 u_long cmd, caddr_t data, int flag, struct lwp *l) 1024 { 1025 int error; 1026 char namebuf[16]; 1027 struct wsdisplay_font fd; 1028 #ifdef WSDISPLAY_SCROLLSUPPORT 1029 struct wsdisplay_scroll_data *ksdp, *usdp; 1030 #endif 1031 1032 #if NWSKBD > 0 1033 struct wsevsrc *inp; 1034 1035 #ifdef WSDISPLAY_COMPAT_RAWKBD 1036 switch (cmd) { 1037 case WSKBDIO_SETMODE: 1038 scr->scr_rawkbd = (*(int *)data == WSKBD_RAW); 1039 return (wsdisplay_update_rawkbd(sc, scr)); 1040 case WSKBDIO_GETMODE: 1041 *(int *)data = (scr->scr_rawkbd ? 1042 WSKBD_RAW : WSKBD_TRANSLATED); 1043 return (0); 1044 } 1045 #endif 1046 inp = sc->sc_input; 1047 if (inp == NULL) 1048 return (ENXIO); 1049 error = wsevsrc_display_ioctl(inp, cmd, data, flag, l); 1050 if (error != EPASSTHROUGH) 1051 return (error); 1052 #endif /* NWSKBD > 0 */ 1053 1054 switch (cmd) { 1055 case WSDISPLAYIO_GMODE: 1056 if (scr->scr_flags & SCR_GRAPHICS) { 1057 if (scr->scr_flags & SCR_DUMBFB) 1058 *(u_int *)data = WSDISPLAYIO_MODE_DUMBFB; 1059 else 1060 *(u_int *)data = WSDISPLAYIO_MODE_MAPPED; 1061 } else 1062 *(u_int *)data = WSDISPLAYIO_MODE_EMUL; 1063 return (0); 1064 1065 case WSDISPLAYIO_SMODE: 1066 #define d (*(int *)data) 1067 if (d != WSDISPLAYIO_MODE_EMUL && 1068 d != WSDISPLAYIO_MODE_MAPPED && 1069 d != WSDISPLAYIO_MODE_DUMBFB) 1070 return (EINVAL); 1071 1072 if (WSSCREEN_HAS_EMULATOR(scr)) { 1073 scr->scr_flags &= ~SCR_GRAPHICS; 1074 if (d == WSDISPLAYIO_MODE_MAPPED || 1075 d == WSDISPLAYIO_MODE_DUMBFB) 1076 scr->scr_flags |= SCR_GRAPHICS | 1077 ((d == WSDISPLAYIO_MODE_DUMBFB) ? SCR_DUMBFB : 0); 1078 } else if (d == WSDISPLAYIO_MODE_EMUL) 1079 return (EINVAL); 1080 1081 (void)(*sc->sc_accessops->ioctl)(sc->sc_accesscookie, 1082 scr->scr_dconf->emulcookie, cmd, data, flag, l); 1083 1084 return (0); 1085 #undef d 1086 1087 #ifdef WSDISPLAY_SCROLLSUPPORT 1088 #define SETSCROLLLINES(dstp, srcp, dfltp) \ 1089 do { \ 1090 (dstp)->fastlines = ((srcp)->which & \ 1091 WSDISPLAY_SCROLL_DOFASTLINES) ? \ 1092 (srcp)->fastlines : (dfltp)->fastlines; \ 1093 (dstp)->slowlines = ((srcp)->which & \ 1094 WSDISPLAY_SCROLL_DOSLOWLINES) ? \ 1095 (srcp)->slowlines : (dfltp)->slowlines; \ 1096 (dstp)->which = WSDISPLAY_SCROLL_DOALL; \ 1097 } while (0) 1098 1099 1100 case WSDISPLAYIO_DSSCROLL: 1101 usdp = (struct wsdisplay_scroll_data *)data; 1102 ksdp = &sc->sc_scroll_values; 1103 SETSCROLLLINES(ksdp, usdp, ksdp); 1104 return (0); 1105 1106 case WSDISPLAYIO_DGSCROLL: 1107 usdp = (struct wsdisplay_scroll_data *)data; 1108 ksdp = &sc->sc_scroll_values; 1109 SETSCROLLLINES(usdp, ksdp, ksdp); 1110 return (0); 1111 #else 1112 case WSDISPLAYIO_DSSCROLL: 1113 case WSDISPLAYIO_DGSCROLL: 1114 return ENODEV; 1115 #endif 1116 1117 case WSDISPLAYIO_SFONT: 1118 #define d ((struct wsdisplay_usefontdata *)data) 1119 if (!sc->sc_accessops->load_font) 1120 return (EINVAL); 1121 if (d->name) { 1122 error = copyinstr(d->name, namebuf, sizeof(namebuf), 0); 1123 if (error) 1124 return (error); 1125 fd.name = namebuf; 1126 } else 1127 fd.name = 0; 1128 fd.data = 0; 1129 error = (*sc->sc_accessops->load_font)(sc->sc_accesscookie, 1130 scr->scr_dconf->emulcookie, &fd); 1131 if (!error && WSSCREEN_HAS_EMULATOR(scr)) 1132 (*scr->scr_dconf->wsemul->reset) 1133 (scr->scr_dconf->wsemulcookie, WSEMUL_SYNCFONT); 1134 return (error); 1135 #undef d 1136 1137 #if defined(WSDISPLAY_CHARFUNCS) 1138 case WSDISPLAYIO_GETWSCHAR: 1139 #define d ((struct wsdisplay_char *)data) 1140 if (!sc->sc_accessops->getwschar) 1141 return (EINVAL); 1142 return ((*sc->sc_accessops->getwschar) 1143 (scr->scr_dconf->emulcookie, d)); 1144 #undef d 1145 1146 case WSDISPLAYIO_PUTWSCHAR: 1147 #define d ((struct wsdisplay_char *)data) 1148 if (!sc->sc_accessops->putwschar) 1149 return (EINVAL); 1150 return ((*sc->sc_accessops->putwschar) 1151 (scr->scr_dconf->emulcookie, d)); 1152 #undef d 1153 #else 1154 case WSDISPLAYIO_PUTWSCHAR: 1155 case WSDISPLAYIO_GETWSCHAR: 1156 return ENODEV; 1157 #endif /* WSDISPLAY_CHARFUNCS */ 1158 1159 #ifdef WSDISPLAY_CUSTOM_OUTPUT 1160 case WSDISPLAYIO_GMSGATTRS: 1161 #define d ((struct wsdisplay_msgattrs *)data) 1162 (*scr->scr_dconf->wsemul->getmsgattrs) 1163 (scr->scr_dconf->wsemulcookie, d); 1164 return (0); 1165 #undef d 1166 1167 case WSDISPLAYIO_SMSGATTRS: { 1168 #define d ((struct wsdisplay_msgattrs *)data) 1169 int i; 1170 for (i = 0; i < WSDISPLAY_MAXSCREEN; i++) 1171 if (sc->sc_scr[i] != NULL) 1172 (*sc->sc_scr[i]->scr_dconf->wsemul->setmsgattrs) 1173 (sc->sc_scr[i]->scr_dconf->wsemulcookie, 1174 sc->sc_scr[i]->scr_dconf->scrdata, 1175 d); 1176 } 1177 return (0); 1178 #undef d 1179 #else 1180 case WSDISPLAYIO_GMSGATTRS: 1181 case WSDISPLAYIO_SMSGATTRS: 1182 return (ENODEV); 1183 #endif 1184 } 1185 1186 /* check ioctls for display */ 1187 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie, 1188 scr->scr_dconf->emulcookie, cmd, data, flag, l)); 1189 } 1190 1191 int 1192 wsdisplay_stat_ioctl(struct wsdisplay_softc *sc, u_long cmd, caddr_t data, 1193 int flag, struct lwp *l) 1194 { 1195 switch (cmd) { 1196 case WSDISPLAYIO_GETACTIVESCREEN: 1197 *(int*)data = wsdisplay_getactivescreen(sc); 1198 return (0); 1199 } 1200 1201 return (EPASSTHROUGH); 1202 } 1203 1204 int 1205 wsdisplay_cfg_ioctl(struct wsdisplay_softc *sc, u_long cmd, caddr_t data, 1206 int flag, struct lwp *l) 1207 { 1208 int error; 1209 char *type, typebuf[16], *emul, emulbuf[16]; 1210 void *tbuf; 1211 u_int fontsz; 1212 #if defined(COMPAT_14) && NWSKBD > 0 1213 struct wsmux_device wsmuxdata; 1214 #endif 1215 #if NWSKBD > 0 1216 struct wsevsrc *inp; 1217 #endif 1218 1219 switch (cmd) { 1220 case WSDISPLAYIO_ADDSCREEN: 1221 #define d ((struct wsdisplay_addscreendata *)data) 1222 if (d->screentype) { 1223 error = copyinstr(d->screentype, typebuf, 1224 sizeof(typebuf), 0); 1225 if (error) 1226 return (error); 1227 type = typebuf; 1228 } else 1229 type = 0; 1230 if (d->emul) { 1231 error = copyinstr(d->emul, emulbuf, sizeof(emulbuf),0); 1232 if (error) 1233 return (error); 1234 emul = emulbuf; 1235 } else 1236 emul = 0; 1237 1238 if ((error = wsdisplay_addscreen(sc, d->idx, type, emul)) == 0) 1239 wsdisplay_addscreen_print(sc, d->idx, 0); 1240 return (error); 1241 #undef d 1242 case WSDISPLAYIO_DELSCREEN: 1243 #define d ((struct wsdisplay_delscreendata *)data) 1244 return (wsdisplay_delscreen(sc, d->idx, d->flags)); 1245 #undef d 1246 case WSDISPLAYIO_LDFONT: 1247 #define d ((struct wsdisplay_font *)data) 1248 if (!sc->sc_accessops->load_font) 1249 return (EINVAL); 1250 if (d->name) { 1251 error = copyinstr(d->name, typebuf, sizeof(typebuf), 0); 1252 if (error) 1253 return (error); 1254 d->name = typebuf; 1255 } else 1256 d->name = "loaded"; /* ??? */ 1257 fontsz = d->fontheight * d->stride * d->numchars; 1258 if (fontsz > WSDISPLAY_MAXFONTSZ) 1259 return (EINVAL); 1260 1261 tbuf = malloc(fontsz, M_DEVBUF, M_WAITOK); 1262 error = copyin(d->data, tbuf, fontsz); 1263 if (error) { 1264 free(tbuf, M_DEVBUF); 1265 return (error); 1266 } 1267 d->data = tbuf; 1268 error = 1269 (*sc->sc_accessops->load_font)(sc->sc_accesscookie, 0, d); 1270 free(tbuf, M_DEVBUF); 1271 #undef d 1272 return (error); 1273 1274 #if NWSKBD > 0 1275 #ifdef COMPAT_14 1276 case _O_WSDISPLAYIO_SETKEYBOARD: 1277 #define d ((struct wsdisplay_kbddata *)data) 1278 inp = sc->sc_input; 1279 if (inp == NULL) 1280 return (ENXIO); 1281 switch (d->op) { 1282 case _O_WSDISPLAY_KBD_ADD: 1283 if (d->idx == -1) { 1284 d->idx = wskbd_pickfree(); 1285 if (d->idx == -1) 1286 return (ENXIO); 1287 } 1288 wsmuxdata.type = WSMUX_KBD; 1289 wsmuxdata.idx = d->idx; 1290 return (wsevsrc_ioctl(inp, WSMUX_ADD_DEVICE, 1291 &wsmuxdata, flag, l)); 1292 case _O_WSDISPLAY_KBD_DEL: 1293 wsmuxdata.type = WSMUX_KBD; 1294 wsmuxdata.idx = d->idx; 1295 return (wsevsrc_ioctl(inp, WSMUX_REMOVE_DEVICE, 1296 &wsmuxdata, flag, l)); 1297 default: 1298 return (EINVAL); 1299 } 1300 #undef d 1301 #endif 1302 1303 case WSMUXIO_ADD_DEVICE: 1304 #define d ((struct wsmux_device *)data) 1305 if (d->idx == -1 && d->type == WSMUX_KBD) 1306 d->idx = wskbd_pickfree(); 1307 #undef d 1308 /* fall into */ 1309 case WSMUXIO_INJECTEVENT: 1310 case WSMUXIO_REMOVE_DEVICE: 1311 case WSMUXIO_LIST_DEVICES: 1312 inp = sc->sc_input; 1313 if (inp == NULL) 1314 return (ENXIO); 1315 return (wsevsrc_ioctl(inp, cmd, data, flag, l)); 1316 #endif /* NWSKBD > 0 */ 1317 1318 } 1319 return (EPASSTHROUGH); 1320 } 1321 1322 int 1323 wsdisplay_stat_inject(struct device *dev, u_int type, int value) 1324 { 1325 struct wsdisplay_softc *sc = (struct wsdisplay_softc *) dev; 1326 struct wseventvar *evar; 1327 struct wscons_event event; 1328 1329 evar = &sc->evar; 1330 1331 if (evar == NULL) 1332 return (0); 1333 1334 if (evar->q == NULL) 1335 return (1); 1336 1337 event.type = type; 1338 event.value = value; 1339 if (wsevent_inject(evar, &event, 1) != 0) { 1340 log(LOG_WARNING, "wsdisplay: event queue overflow\n"); 1341 return (1); 1342 } 1343 1344 return (0); 1345 } 1346 1347 paddr_t 1348 wsdisplaymmap(dev_t dev, off_t offset, int prot) 1349 { 1350 struct wsdisplay_softc *sc = 1351 device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 1352 struct wsscreen *scr; 1353 1354 if (ISWSDISPLAYSTAT(dev)) 1355 return (-1); 1356 1357 if (ISWSDISPLAYCTL(dev)) 1358 return (-1); 1359 1360 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 1361 return (-1); 1362 1363 if (!(scr->scr_flags & SCR_GRAPHICS)) 1364 return (-1); 1365 1366 /* pass mmap to display */ 1367 return ((*sc->sc_accessops->mmap)(sc->sc_accesscookie, 1368 scr->scr_dconf->emulcookie, offset, prot)); 1369 } 1370 1371 void 1372 wsdisplaystart(struct tty *tp) 1373 { 1374 struct wsdisplay_softc *sc; 1375 struct wsscreen *scr; 1376 int s, n; 1377 u_char *tbuf; 1378 1379 s = spltty(); 1380 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) { 1381 splx(s); 1382 return; 1383 } 1384 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(tp->t_dev)); 1385 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(tp->t_dev)]) == NULL) { 1386 splx(s); 1387 return; 1388 } 1389 1390 if (scr->scr_hold_screen) { 1391 tp->t_state |= TS_TIMEOUT; 1392 splx(s); 1393 return; 1394 } 1395 tp->t_state |= TS_BUSY; 1396 splx(s); 1397 1398 /* 1399 * Drain output from ring buffer. 1400 * The output will normally be in one contiguous chunk, but when the 1401 * ring wraps, it will be in two pieces.. one at the end of the ring, 1402 * the other at the start. For performance, rather than loop here, 1403 * we output one chunk, see if there's another one, and if so, output 1404 * it too. 1405 */ 1406 1407 n = ndqb(&tp->t_outq, 0); 1408 tbuf = tp->t_outq.c_cf; 1409 1410 if (!(scr->scr_flags & SCR_GRAPHICS)) { 1411 KASSERT(WSSCREEN_HAS_EMULATOR(scr)); 1412 (*scr->scr_dconf->wsemul->output)(scr->scr_dconf->wsemulcookie, 1413 tbuf, n, 0); 1414 } 1415 ndflush(&tp->t_outq, n); 1416 1417 if ((n = ndqb(&tp->t_outq, 0)) > 0) { 1418 tbuf = tp->t_outq.c_cf; 1419 1420 if (!(scr->scr_flags & SCR_GRAPHICS)) { 1421 KASSERT(WSSCREEN_HAS_EMULATOR(scr)); 1422 (*scr->scr_dconf->wsemul->output) 1423 (scr->scr_dconf->wsemulcookie, tbuf, n, 0); 1424 } 1425 ndflush(&tp->t_outq, n); 1426 } 1427 1428 s = spltty(); 1429 tp->t_state &= ~TS_BUSY; 1430 /* Come back if there's more to do */ 1431 if (tp->t_outq.c_cc) { 1432 tp->t_state |= TS_TIMEOUT; 1433 callout_reset(&tp->t_rstrt_ch, (hz > 128) ? (hz / 128) : 1, 1434 ttrstrt, tp); 1435 } 1436 if (tp->t_outq.c_cc <= tp->t_lowat) { 1437 if (tp->t_state&TS_ASLEEP) { 1438 tp->t_state &= ~TS_ASLEEP; 1439 wakeup(&tp->t_outq); 1440 } 1441 selwakeup(&tp->t_wsel); 1442 } 1443 splx(s); 1444 } 1445 1446 void 1447 wsdisplaystop(struct tty *tp, int flag) 1448 { 1449 int s; 1450 1451 s = spltty(); 1452 if (ISSET(tp->t_state, TS_BUSY)) 1453 if (!ISSET(tp->t_state, TS_TTSTOP)) 1454 SET(tp->t_state, TS_FLUSH); 1455 splx(s); 1456 } 1457 1458 /* Set line parameters. */ 1459 int 1460 wsdisplayparam(struct tty *tp, struct termios *t) 1461 { 1462 1463 tp->t_ispeed = t->c_ispeed; 1464 tp->t_ospeed = t->c_ospeed; 1465 tp->t_cflag = t->c_cflag; 1466 return 0; 1467 } 1468 1469 /* 1470 * Callbacks for the emulation code. 1471 */ 1472 void 1473 wsdisplay_emulbell(void *v) 1474 { 1475 struct wsscreen *scr = v; 1476 1477 if (scr == NULL) /* console, before real attach */ 1478 return; 1479 1480 if (scr->scr_flags & SCR_GRAPHICS) /* can this happen? */ 1481 return; 1482 1483 (void) wsdisplay_internal_ioctl(scr->sc, scr, WSKBDIO_BELL, NULL, 1484 FWRITE, NULL); 1485 } 1486 1487 void 1488 wsdisplay_emulinput(void *v, const u_char *data, u_int count) 1489 { 1490 struct wsscreen *scr = v; 1491 struct tty *tp; 1492 1493 if (v == NULL) /* console, before real attach */ 1494 return; 1495 1496 if (scr->scr_flags & SCR_GRAPHICS) /* XXX can't happen */ 1497 return; 1498 if (!WSSCREEN_HAS_TTY(scr)) 1499 return; 1500 1501 tp = scr->scr_tty; 1502 while (count-- > 0) 1503 (*tp->t_linesw->l_rint)(*data++, tp); 1504 } 1505 1506 /* 1507 * Calls from the keyboard interface. 1508 */ 1509 void 1510 wsdisplay_kbdinput(struct device *dev, keysym_t ks) 1511 { 1512 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 1513 struct wsscreen *scr; 1514 const char *dp; 1515 int count; 1516 struct tty *tp; 1517 1518 KASSERT(sc != NULL); 1519 1520 scr = sc->sc_focus; 1521 1522 if (!scr || !WSSCREEN_HAS_TTY(scr)) 1523 return; 1524 1525 tp = scr->scr_tty; 1526 1527 if (KS_GROUP(ks) == KS_GROUP_Ascii) 1528 (*tp->t_linesw->l_rint)(KS_VALUE(ks), tp); 1529 else if (WSSCREEN_HAS_EMULATOR(scr)) { 1530 count = (*scr->scr_dconf->wsemul->translate) 1531 (scr->scr_dconf->wsemulcookie, ks, &dp); 1532 while (count-- > 0) 1533 (*tp->t_linesw->l_rint)(*dp++, tp); 1534 } 1535 } 1536 1537 #if defined(WSDISPLAY_COMPAT_RAWKBD) 1538 int 1539 wsdisplay_update_rawkbd(struct wsdisplay_softc *sc, struct wsscreen *scr) 1540 { 1541 #if NWSKBD > 0 1542 int s, raw, data, error; 1543 struct wsevsrc *inp; 1544 1545 s = spltty(); 1546 1547 raw = (scr ? scr->scr_rawkbd : 0); 1548 1549 if (scr != sc->sc_focus || 1550 sc->sc_rawkbd == raw) { 1551 splx(s); 1552 return (0); 1553 } 1554 1555 data = raw ? WSKBD_RAW : WSKBD_TRANSLATED; 1556 inp = sc->sc_input; 1557 if (inp == NULL) 1558 return (ENXIO); 1559 error = wsevsrc_display_ioctl(inp, WSKBDIO_SETMODE, &data, 0, 0); 1560 if (!error) 1561 sc->sc_rawkbd = raw; 1562 splx(s); 1563 return (error); 1564 #else 1565 return (0); 1566 #endif 1567 } 1568 #endif 1569 1570 int 1571 wsdisplay_switch3(void *arg, int error, int waitok) 1572 { 1573 struct wsdisplay_softc *sc = arg; 1574 int no; 1575 struct wsscreen *scr; 1576 1577 if (!(sc->sc_flags & SC_SWITCHPENDING)) { 1578 printf("wsdisplay_switch3: not switching\n"); 1579 return (EINVAL); 1580 } 1581 1582 no = sc->sc_screenwanted; 1583 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1584 panic("wsdisplay_switch3: invalid screen %d", no); 1585 scr = sc->sc_scr[no]; 1586 if (!scr) { 1587 printf("wsdisplay_switch3: screen %d disappeared\n", no); 1588 error = ENXIO; 1589 } 1590 1591 if (error) { 1592 /* try to recover, avoid recursion */ 1593 1594 if (sc->sc_oldscreen == WSDISPLAY_NULLSCREEN) { 1595 printf("wsdisplay_switch3: giving up\n"); 1596 sc->sc_focus = 0; 1597 #ifdef WSDISPLAY_COMPAT_RAWKBD 1598 wsdisplay_update_rawkbd(sc, 0); 1599 #endif 1600 sc->sc_flags &= ~SC_SWITCHPENDING; 1601 return (error); 1602 } 1603 1604 sc->sc_screenwanted = sc->sc_oldscreen; 1605 sc->sc_oldscreen = WSDISPLAY_NULLSCREEN; 1606 return (wsdisplay_switch1(arg, 0, waitok)); 1607 } 1608 1609 sc->sc_flags &= ~SC_SWITCHPENDING; 1610 1611 if (!error && (scr->scr_flags & SCR_WAITACTIVE)) 1612 wakeup(scr); 1613 return (error); 1614 } 1615 1616 int 1617 wsdisplay_switch2(void *arg, int error, int waitok) 1618 { 1619 struct wsdisplay_softc *sc = arg; 1620 int no; 1621 struct wsscreen *scr; 1622 1623 if (!(sc->sc_flags & SC_SWITCHPENDING)) { 1624 printf("wsdisplay_switch2: not switching\n"); 1625 return (EINVAL); 1626 } 1627 1628 no = sc->sc_screenwanted; 1629 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1630 panic("wsdisplay_switch2: invalid screen %d", no); 1631 scr = sc->sc_scr[no]; 1632 if (!scr) { 1633 printf("wsdisplay_switch2: screen %d disappeared\n", no); 1634 error = ENXIO; 1635 } 1636 1637 if (error) { 1638 /* try to recover, avoid recursion */ 1639 1640 if (sc->sc_oldscreen == WSDISPLAY_NULLSCREEN) { 1641 printf("wsdisplay_switch2: giving up\n"); 1642 sc->sc_focus = 0; 1643 sc->sc_flags &= ~SC_SWITCHPENDING; 1644 return (error); 1645 } 1646 1647 sc->sc_screenwanted = sc->sc_oldscreen; 1648 sc->sc_oldscreen = WSDISPLAY_NULLSCREEN; 1649 return (wsdisplay_switch1(arg, 0, waitok)); 1650 } 1651 1652 sc->sc_focusidx = no; 1653 sc->sc_focus = scr; 1654 1655 #ifdef WSDISPLAY_COMPAT_RAWKBD 1656 (void) wsdisplay_update_rawkbd(sc, scr); 1657 #endif 1658 /* keyboard map??? */ 1659 1660 #define wsswitch_cb3 ((void (*)(void *, int, int))wsdisplay_switch3) 1661 if (scr->scr_syncops) { 1662 error = (*scr->scr_syncops->attach)(scr->scr_synccookie, waitok, 1663 sc->sc_isconsole && wsdisplay_cons_pollmode ? 0 : wsswitch_cb3, sc); 1664 if (error == EAGAIN) { 1665 /* switch will be done asynchronously */ 1666 return (0); 1667 } 1668 } 1669 1670 return (wsdisplay_switch3(sc, error, waitok)); 1671 } 1672 1673 int 1674 wsdisplay_switch1(void *arg, int error, int waitok) 1675 { 1676 struct wsdisplay_softc *sc = arg; 1677 int no; 1678 struct wsscreen *scr; 1679 1680 if (!(sc->sc_flags & SC_SWITCHPENDING)) { 1681 printf("wsdisplay_switch1: not switching\n"); 1682 return (EINVAL); 1683 } 1684 1685 no = sc->sc_screenwanted; 1686 if (no == WSDISPLAY_NULLSCREEN) { 1687 sc->sc_flags &= ~SC_SWITCHPENDING; 1688 if (!error) { 1689 sc->sc_focus = 0; 1690 } 1691 wakeup(sc); 1692 return (error); 1693 } 1694 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1695 panic("wsdisplay_switch1: invalid screen %d", no); 1696 scr = sc->sc_scr[no]; 1697 if (!scr) { 1698 printf("wsdisplay_switch1: screen %d disappeared\n", no); 1699 error = ENXIO; 1700 } 1701 1702 if (error) { 1703 sc->sc_flags &= ~SC_SWITCHPENDING; 1704 return (error); 1705 } 1706 1707 #define wsswitch_cb2 ((void (*)(void *, int, int))wsdisplay_switch2) 1708 error = (*sc->sc_accessops->show_screen)(sc->sc_accesscookie, 1709 scr->scr_dconf->emulcookie, 1710 waitok, 1711 sc->sc_isconsole && wsdisplay_cons_pollmode ? 0 : wsswitch_cb2, sc); 1712 if (error == EAGAIN) { 1713 /* switch will be done asynchronously */ 1714 return (0); 1715 } 1716 1717 return (wsdisplay_switch2(sc, error, waitok)); 1718 } 1719 1720 int 1721 wsdisplay_switch(struct device *dev, int no, int waitok) 1722 { 1723 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 1724 int s, res = 0; 1725 struct wsscreen *scr; 1726 1727 if (no != WSDISPLAY_NULLSCREEN) { 1728 if ((no < 0 || no >= WSDISPLAY_MAXSCREEN)) 1729 return (EINVAL); 1730 if (sc->sc_scr[no] == NULL) 1731 return (ENXIO); 1732 } 1733 1734 wsdisplay_stat_inject(dev, WSCONS_EVENT_SCREEN_SWITCH, no); 1735 1736 s = spltty(); 1737 1738 if ((sc->sc_focus && no == sc->sc_focusidx) || 1739 (sc->sc_focus == NULL && no == WSDISPLAY_NULLSCREEN)) { 1740 splx(s); 1741 return (0); 1742 } 1743 1744 if (sc->sc_flags & SC_SWITCHPENDING) { 1745 splx(s); 1746 return (EBUSY); 1747 } 1748 1749 sc->sc_flags |= SC_SWITCHPENDING; 1750 sc->sc_screenwanted = no; 1751 1752 splx(s); 1753 1754 scr = sc->sc_focus; 1755 if (!scr) { 1756 sc->sc_oldscreen = WSDISPLAY_NULLSCREEN; 1757 return (wsdisplay_switch1(sc, 0, waitok)); 1758 } else 1759 sc->sc_oldscreen = sc->sc_focusidx; 1760 1761 #define wsswitch_cb1 ((void (*)(void *, int, int))wsdisplay_switch1) 1762 if (scr->scr_syncops) { 1763 res = (*scr->scr_syncops->detach)(scr->scr_synccookie, waitok, 1764 sc->sc_isconsole && wsdisplay_cons_pollmode ? 0 : wsswitch_cb1, sc); 1765 if (res == EAGAIN) { 1766 /* switch will be done asynchronously */ 1767 return (0); 1768 } 1769 } else if (scr->scr_flags & SCR_GRAPHICS) { 1770 /* no way to save state */ 1771 res = EBUSY; 1772 } 1773 1774 return (wsdisplay_switch1(sc, res, waitok)); 1775 } 1776 1777 void 1778 wsdisplay_reset(struct device *dev, enum wsdisplay_resetops op) 1779 { 1780 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 1781 struct wsscreen *scr; 1782 1783 KASSERT(sc != NULL); 1784 scr = sc->sc_focus; 1785 1786 if (!scr) 1787 return; 1788 1789 switch (op) { 1790 case WSDISPLAY_RESETEMUL: 1791 if (!WSSCREEN_HAS_EMULATOR(scr)) 1792 break; 1793 (*scr->scr_dconf->wsemul->reset)(scr->scr_dconf->wsemulcookie, 1794 WSEMUL_RESET); 1795 break; 1796 case WSDISPLAY_RESETCLOSE: 1797 wsdisplay_closescreen(sc, scr); 1798 break; 1799 } 1800 } 1801 1802 /* 1803 * Interface for (external) VT switch / process synchronization code 1804 */ 1805 int 1806 wsscreen_attach_sync(struct wsscreen *scr, const struct wscons_syncops *ops, 1807 void *cookie) 1808 { 1809 if (scr->scr_syncops) { 1810 /* 1811 * The screen is already claimed. 1812 * Check if the owner is still alive. 1813 */ 1814 if ((*scr->scr_syncops->check)(scr->scr_synccookie)) 1815 return (EBUSY); 1816 } 1817 scr->scr_syncops = ops; 1818 scr->scr_synccookie = cookie; 1819 return (0); 1820 } 1821 1822 int 1823 wsscreen_detach_sync(struct wsscreen *scr) 1824 { 1825 if (!scr->scr_syncops) 1826 return (EINVAL); 1827 scr->scr_syncops = 0; 1828 return (0); 1829 } 1830 1831 int 1832 wsscreen_lookup_sync(struct wsscreen *scr, 1833 const struct wscons_syncops *ops, /* used as ID */ 1834 void **cookiep) 1835 { 1836 if (!scr->scr_syncops || ops != scr->scr_syncops) 1837 return (EINVAL); 1838 *cookiep = scr->scr_synccookie; 1839 return (0); 1840 } 1841 1842 /* 1843 * Interface to virtual screen stuff 1844 */ 1845 int 1846 wsdisplay_maxscreenidx(struct wsdisplay_softc *sc) 1847 { 1848 return (WSDISPLAY_MAXSCREEN - 1); 1849 } 1850 1851 int 1852 wsdisplay_screenstate(struct wsdisplay_softc *sc, int idx) 1853 { 1854 if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN) 1855 return (EINVAL); 1856 if (!sc->sc_scr[idx]) 1857 return (ENXIO); 1858 return ((sc->sc_scr[idx]->scr_flags & SCR_OPEN) ? EBUSY : 0); 1859 } 1860 1861 int 1862 wsdisplay_getactivescreen(struct wsdisplay_softc *sc) 1863 { 1864 return (sc->sc_focus ? sc->sc_focusidx : WSDISPLAY_NULLSCREEN); 1865 } 1866 1867 int 1868 wsscreen_switchwait(struct wsdisplay_softc *sc, int no) 1869 { 1870 struct wsscreen *scr; 1871 int s, res = 0; 1872 1873 if (no == WSDISPLAY_NULLSCREEN) { 1874 s = spltty(); 1875 while (sc->sc_focus && res == 0) { 1876 res = tsleep(sc, PCATCH, "wswait", 0); 1877 } 1878 splx(s); 1879 return (res); 1880 } 1881 1882 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1883 return (ENXIO); 1884 scr = sc->sc_scr[no]; 1885 if (!scr) 1886 return (ENXIO); 1887 1888 s = spltty(); 1889 if (scr != sc->sc_focus) { 1890 scr->scr_flags |= SCR_WAITACTIVE; 1891 res = tsleep(scr, PCATCH, "wswait", 0); 1892 if (scr != sc->sc_scr[no]) 1893 res = ENXIO; /* disappeared in the meantime */ 1894 else 1895 scr->scr_flags &= ~SCR_WAITACTIVE; 1896 } 1897 splx(s); 1898 return (res); 1899 } 1900 1901 void 1902 wsdisplay_kbdholdscreen(struct device *dev, int hold) 1903 { 1904 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 1905 struct wsscreen *scr; 1906 1907 scr = sc->sc_focus; 1908 1909 if (hold) 1910 scr->scr_hold_screen = 1; 1911 else { 1912 scr->scr_hold_screen = 0; 1913 callout_reset(&scr->scr_tty->t_rstrt_ch, 0, 1914 ttrstrt, scr->scr_tty); /* "immediate" */ 1915 } 1916 } 1917 1918 #if NWSKBD > 0 1919 void 1920 wsdisplay_set_console_kbd(struct wsevsrc *src) 1921 { 1922 if (wsdisplay_console_device == NULL) { 1923 src->me_dispdv = NULL; 1924 return; 1925 } 1926 #if NWSMUX > 0 1927 if (wsmux_attach_sc((struct wsmux_softc *) 1928 wsdisplay_console_device->sc_input, src)) { 1929 src->me_dispdv = NULL; 1930 return; 1931 } 1932 #else 1933 wsdisplay_console_device->sc_input = src; 1934 #endif 1935 src->me_dispdv = &wsdisplay_console_device->sc_dv; 1936 } 1937 #endif /* NWSKBD > 0 */ 1938 1939 /* 1940 * Console interface. 1941 */ 1942 void 1943 wsdisplay_cnputc(dev_t dev, int i) 1944 { 1945 struct wsscreen_internal *dc; 1946 u_char c = i; 1947 1948 if (!wsdisplay_console_initted) 1949 return; 1950 1951 if ((wsdisplay_console_device != NULL) && 1952 (wsdisplay_console_device->sc_scr[0] != NULL) && 1953 (wsdisplay_console_device->sc_scr[0]->scr_flags & SCR_GRAPHICS)) 1954 return; 1955 1956 dc = &wsdisplay_console_conf; 1957 (*dc->wsemul->output)(dc->wsemulcookie, &c, 1, 1); 1958 } 1959 1960 static int 1961 wsdisplay_getc_dummy(dev_t dev) 1962 { 1963 /* panic? */ 1964 return (0); 1965 } 1966 1967 static void 1968 wsdisplay_pollc(dev_t dev, int on) 1969 { 1970 1971 wsdisplay_cons_pollmode = on; 1972 1973 /* notify to fb drivers */ 1974 if (wsdisplay_console_device != NULL && 1975 wsdisplay_console_device->sc_accessops->pollc != NULL) 1976 (*wsdisplay_console_device->sc_accessops->pollc) 1977 (wsdisplay_console_device->sc_accesscookie, on); 1978 1979 /* notify to kbd drivers */ 1980 if (wsdisplay_cons_kbd_pollc) 1981 (*wsdisplay_cons_kbd_pollc)(NODEV, on); 1982 } 1983 1984 void 1985 wsdisplay_set_cons_kbd(int (*get)(dev_t), void (*poll)(dev_t, int), 1986 void (*bell)(dev_t, u_int, u_int, u_int)) 1987 { 1988 wsdisplay_cons.cn_getc = get; 1989 wsdisplay_cons.cn_bell = bell; 1990 wsdisplay_cons_kbd_pollc = poll; 1991 } 1992 1993 void 1994 wsdisplay_unset_cons_kbd(void) 1995 { 1996 wsdisplay_cons.cn_getc = wsdisplay_getc_dummy; 1997 wsdisplay_cons.cn_bell = NULL; 1998 wsdisplay_cons_kbd_pollc = 0; 1999 } 2000 2001 /* 2002 * Switch the console display to it's first screen. 2003 */ 2004 void 2005 wsdisplay_switchtoconsole(void) 2006 { 2007 struct wsdisplay_softc *sc; 2008 struct wsscreen *scr; 2009 2010 if (wsdisplay_console_device != NULL) { 2011 sc = wsdisplay_console_device; 2012 if ((scr = sc->sc_scr[0]) == NULL) 2013 return; 2014 (*sc->sc_accessops->show_screen)(sc->sc_accesscookie, 2015 scr->scr_dconf->emulcookie, 2016 0, NULL, NULL); 2017 } 2018 } 2019 2020 /* 2021 * Switch the console at shutdown. 2022 */ 2023 static void 2024 wsdisplay_shutdownhook(void *arg) 2025 { 2026 2027 wsdisplay_switchtoconsole(); 2028 } 2029
Indexes created Thu Oct 16 14:10:15 GMT 2025