wsdisplay.c revision 1.89
1 /* $NetBSD: wsdisplay.c,v 1.89 2006/02/18 18:56:05 jmcneill 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 1.89 2006/02/18 18:56:05 jmcneill Exp $"); 35 36 #include "opt_wsdisplay_border.h" 37 #include "opt_wsdisplay_compat.h" 38 #include "opt_wsmsgattrs.h" 39 #include "opt_compat_netbsd.h" 40 #include "wskbd.h" 41 #include "wsmux.h" 42 #include "wsdisplay.h" 43 44 #include <sys/param.h> 45 #include <sys/conf.h> 46 #include <sys/device.h> 47 #include <sys/ioctl.h> 48 #include <sys/poll.h> 49 #include <sys/kernel.h> 50 #include <sys/proc.h> 51 #include <sys/malloc.h> 52 #include <sys/syslog.h> 53 #include <sys/systm.h> 54 #include <sys/tty.h> 55 #include <sys/signalvar.h> 56 #include <sys/errno.h> 57 #include <sys/fcntl.h> 58 #include <sys/vnode.h> 59 60 #include <dev/wscons/wseventvar.h> 61 #include <dev/wscons/wsmuxvar.h> 62 #include <dev/wscons/wsconsio.h> 63 #include <dev/wscons/wsdisplayvar.h> 64 #include <dev/wscons/wsksymvar.h> 65 #include <dev/wscons/wsksymdef.h> 66 #include <dev/wscons/wsemulvar.h> 67 #include <dev/wscons/wscons_callbacks.h> 68 #include <dev/cons.h> 69 70 struct wsscreen_internal { 71 const struct wsdisplay_emulops *emulops; 72 void *emulcookie; 73 74 const struct wsscreen_descr *scrdata; 75 76 const struct wsemul_ops *wsemul; 77 void *wsemulcookie; 78 }; 79 80 struct wsscreen { 81 struct wsscreen_internal *scr_dconf; 82 83 struct tty *scr_tty; 84 int scr_hold_screen; /* hold tty output */ 85 86 int scr_flags; 87 #define SCR_OPEN 1 /* is it open? */ 88 #define SCR_WAITACTIVE 2 /* someone waiting on activation */ 89 #define SCR_GRAPHICS 4 /* graphics mode, no text (emulation) output */ 90 #define SCR_DUMBFB 8 /* in use as a dumb fb (iff SCR_GRAPHICS) */ 91 const struct wscons_syncops *scr_syncops; 92 void *scr_synccookie; 93 94 #ifdef WSDISPLAY_COMPAT_RAWKBD 95 int scr_rawkbd; 96 #endif 97 98 struct wsdisplay_softc *sc; 99 }; 100 101 struct wsscreen *wsscreen_attach(struct wsdisplay_softc *, int, 102 const char *, 103 const struct wsscreen_descr *, void *, 104 int, int, long); 105 void wsscreen_detach(struct wsscreen *); 106 int wsdisplay_addscreen(struct wsdisplay_softc *, int, const char *, const char *); 107 static void wsdisplay_shutdownhook(void *); 108 static void wsdisplay_addscreen_print(struct wsdisplay_softc *, int, int); 109 static void wsdisplay_closescreen(struct wsdisplay_softc *, struct wsscreen *); 110 int wsdisplay_delscreen(struct wsdisplay_softc *, int, int); 111 112 #define WSDISPLAY_MAXSCREEN 8 113 114 struct wsdisplay_softc { 115 struct device sc_dv; 116 117 const struct wsdisplay_accessops *sc_accessops; 118 void *sc_accesscookie; 119 120 const struct wsscreen_list *sc_scrdata; 121 #ifdef WSDISPLAY_SCROLLSUPPORT 122 struct wsdisplay_scroll_data sc_scroll_values; 123 #endif 124 125 struct wsscreen *sc_scr[WSDISPLAY_MAXSCREEN]; 126 int sc_focusidx; /* available only if sc_focus isn't null */ 127 struct wsscreen *sc_focus; 128 129 struct wseventvar evar; 130 131 int sc_isconsole; 132 133 int sc_flags; 134 #define SC_SWITCHPENDING 1 135 int sc_screenwanted, sc_oldscreen; /* valid with SC_SWITCHPENDING */ 136 137 #if NWSKBD > 0 138 struct wsevsrc *sc_input; 139 #ifdef WSDISPLAY_COMPAT_RAWKBD 140 int sc_rawkbd; 141 #endif 142 #endif /* NWSKBD > 0 */ 143 }; 144 145 #ifdef WSDISPLAY_SCROLLSUPPORT 146 147 struct wsdisplay_scroll_data wsdisplay_default_scroll_values = { 148 WSDISPLAY_SCROLL_DOALL, 149 25, 150 2, 151 }; 152 #endif 153 154 extern struct cfdriver wsdisplay_cd; 155 156 /* Autoconfiguration definitions. */ 157 static int wsdisplay_emul_match(struct device *, struct cfdata *, void *); 158 static void wsdisplay_emul_attach(struct device *, struct device *, void *); 159 static int wsdisplay_noemul_match(struct device *, struct cfdata *, void *); 160 static void wsdisplay_noemul_attach(struct device *, struct device *, void *); 161 162 CFATTACH_DECL(wsdisplay_emul, sizeof (struct wsdisplay_softc), 163 wsdisplay_emul_match, wsdisplay_emul_attach, NULL, NULL); 164 165 CFATTACH_DECL(wsdisplay_noemul, sizeof (struct wsdisplay_softc), 166 wsdisplay_noemul_match, wsdisplay_noemul_attach, NULL, NULL); 167 168 dev_type_open(wsdisplayopen); 169 dev_type_close(wsdisplayclose); 170 dev_type_read(wsdisplayread); 171 dev_type_write(wsdisplaywrite); 172 dev_type_ioctl(wsdisplayioctl); 173 dev_type_stop(wsdisplaystop); 174 dev_type_tty(wsdisplaytty); 175 dev_type_poll(wsdisplaypoll); 176 dev_type_mmap(wsdisplaymmap); 177 dev_type_kqfilter(wsdisplaykqfilter); 178 179 const struct cdevsw wsdisplay_cdevsw = { 180 wsdisplayopen, wsdisplayclose, wsdisplayread, wsdisplaywrite, 181 wsdisplayioctl, wsdisplaystop, wsdisplaytty, wsdisplaypoll, 182 wsdisplaymmap, wsdisplaykqfilter, D_TTY 183 }; 184 185 static void wsdisplaystart(struct tty *); 186 static int wsdisplayparam(struct tty *, struct termios *); 187 188 189 /* Internal macros, functions, and variables. */ 190 #define SET(t, f) (t) |= (f) 191 #define CLR(t, f) (t) &= ~(f) 192 #define ISSET(t, f) ((t) & (f)) 193 194 #define WSDISPLAYUNIT(dev) (minor(dev) >> 8) 195 #define WSDISPLAYSCREEN(dev) (minor(dev) & 0xff) 196 #define ISWSDISPLAYSTAT(dev) (WSDISPLAYSCREEN(dev) == 254) 197 #define ISWSDISPLAYCTL(dev) (WSDISPLAYSCREEN(dev) == 255) 198 #define WSDISPLAYMINOR(unit, screen) (((unit) << 8) | (screen)) 199 200 #define WSSCREEN_HAS_EMULATOR(scr) ((scr)->scr_dconf->wsemul != NULL) 201 #define WSSCREEN_HAS_TTY(scr) ((scr)->scr_tty != NULL) 202 203 static void wsdisplay_common_attach(struct wsdisplay_softc *sc, 204 int console, int kbdmux, const struct wsscreen_list *, 205 const struct wsdisplay_accessops *accessops, 206 void *accesscookie); 207 208 #ifdef WSDISPLAY_COMPAT_RAWKBD 209 int wsdisplay_update_rawkbd(struct wsdisplay_softc *, 210 struct wsscreen *); 211 #endif 212 213 static int wsdisplay_console_initted; 214 static int wsdisplay_console_attached; 215 static struct wsdisplay_softc *wsdisplay_console_device; 216 static struct wsscreen_internal wsdisplay_console_conf; 217 218 static int wsdisplay_getc_dummy(dev_t); 219 static void wsdisplay_pollc(dev_t, int); 220 221 static int wsdisplay_cons_pollmode; 222 static void (*wsdisplay_cons_kbd_pollc)(dev_t, int); 223 224 static struct consdev wsdisplay_cons = { 225 NULL, NULL, wsdisplay_getc_dummy, wsdisplay_cnputc, 226 wsdisplay_pollc, NULL, NULL, NULL, NODEV, CN_NORMAL 227 }; 228 229 #ifndef WSDISPLAY_DEFAULTSCREENS 230 # define WSDISPLAY_DEFAULTSCREENS 0 231 #endif 232 int wsdisplay_defaultscreens = WSDISPLAY_DEFAULTSCREENS; 233 234 int wsdisplay_switch1(void *, int, int); 235 int wsdisplay_switch2(void *, int, int); 236 int wsdisplay_switch3(void *, int, int); 237 238 int wsdisplay_clearonclose; 239 240 struct wsscreen * 241 wsscreen_attach(struct wsdisplay_softc *sc, int console, const char *emul, 242 const struct wsscreen_descr *type, void *cookie, int ccol, 243 int crow, long defattr) 244 { 245 struct wsscreen_internal *dconf; 246 struct wsscreen *scr; 247 248 scr = malloc(sizeof(struct wsscreen), M_DEVBUF, M_WAITOK); 249 if (!scr) 250 return (NULL); 251 252 if (console) { 253 dconf = &wsdisplay_console_conf; 254 /* 255 * If there's an emulation, tell it about the callback argument. 256 * The other stuff is already there. 257 */ 258 if (dconf->wsemul != NULL) 259 (*dconf->wsemul->attach)(1, 0, 0, 0, 0, scr, 0); 260 } else { /* not console */ 261 dconf = malloc(sizeof(struct wsscreen_internal), 262 M_DEVBUF, M_NOWAIT); 263 dconf->emulops = type->textops; 264 dconf->emulcookie = cookie; 265 if (dconf->emulops) { 266 dconf->wsemul = wsemul_pick(emul); 267 if (dconf->wsemul == NULL) { 268 free(dconf, M_DEVBUF); 269 free(scr, M_DEVBUF); 270 return (NULL); 271 } 272 dconf->wsemulcookie = 273 (*dconf->wsemul->attach)(0, type, cookie, 274 ccol, crow, scr, defattr); 275 } else 276 dconf->wsemul = NULL; 277 dconf->scrdata = type; 278 } 279 280 scr->scr_dconf = dconf; 281 282 scr->scr_tty = ttymalloc(); 283 tty_attach(scr->scr_tty); 284 scr->scr_hold_screen = 0; 285 if (WSSCREEN_HAS_EMULATOR(scr)) 286 scr->scr_flags = 0; 287 else 288 scr->scr_flags = SCR_GRAPHICS; 289 290 scr->scr_syncops = 0; 291 scr->sc = sc; 292 #ifdef WSDISPLAY_COMPAT_RAWKBD 293 scr->scr_rawkbd = 0; 294 #endif 295 return (scr); 296 } 297 298 void 299 wsscreen_detach(struct wsscreen *scr) 300 { 301 u_int ccol, crow; /* XXX */ 302 303 if (WSSCREEN_HAS_TTY(scr)) { 304 tty_detach(scr->scr_tty); 305 ttyfree(scr->scr_tty); 306 } 307 if (WSSCREEN_HAS_EMULATOR(scr)) 308 (*scr->scr_dconf->wsemul->detach)(scr->scr_dconf->wsemulcookie, 309 &ccol, &crow); 310 free(scr->scr_dconf, M_DEVBUF); 311 free(scr, M_DEVBUF); 312 } 313 314 const struct wsscreen_descr * 315 wsdisplay_screentype_pick(const struct wsscreen_list *scrdata, const char *name) 316 { 317 int i; 318 const struct wsscreen_descr *scr; 319 320 KASSERT(scrdata->nscreens > 0); 321 322 if (name == NULL) 323 return (scrdata->screens[0]); 324 325 for (i = 0; i < scrdata->nscreens; i++) { 326 scr = scrdata->screens[i]; 327 if (!strcmp(name, scr->name)) 328 return (scr); 329 } 330 331 return (0); 332 } 333 334 /* 335 * print info about attached screen 336 */ 337 static void 338 wsdisplay_addscreen_print(struct wsdisplay_softc *sc, int idx, int count) 339 { 340 printf("%s: screen %d", sc->sc_dv.dv_xname, idx); 341 if (count > 1) 342 printf("-%d", idx + (count-1)); 343 printf(" added (%s", sc->sc_scr[idx]->scr_dconf->scrdata->name); 344 if (WSSCREEN_HAS_EMULATOR(sc->sc_scr[idx])) { 345 printf(", %s emulation", 346 sc->sc_scr[idx]->scr_dconf->wsemul->name); 347 } 348 printf(")\n"); 349 } 350 351 int 352 wsdisplay_addscreen(struct wsdisplay_softc *sc, int idx, 353 const char *screentype, const char *emul) 354 { 355 const struct wsscreen_descr *scrdesc; 356 int error; 357 void *cookie; 358 int ccol, crow; 359 long defattr; 360 struct wsscreen *scr; 361 int s; 362 363 if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN) 364 return (EINVAL); 365 if (sc->sc_scr[idx] != NULL) 366 return (EBUSY); 367 368 scrdesc = wsdisplay_screentype_pick(sc->sc_scrdata, screentype); 369 if (!scrdesc) 370 return (ENXIO); 371 error = (*sc->sc_accessops->alloc_screen)(sc->sc_accesscookie, 372 scrdesc, &cookie, &ccol, &crow, &defattr); 373 if (error) 374 return (error); 375 376 scr = wsscreen_attach(sc, 0, emul, scrdesc, 377 cookie, ccol, crow, defattr); 378 if (scr == NULL) { 379 (*sc->sc_accessops->free_screen)(sc->sc_accesscookie, 380 cookie); 381 return (ENXIO); 382 } 383 384 sc->sc_scr[idx] = scr; 385 386 /* if no screen has focus yet, activate the first we get */ 387 s = spltty(); 388 if (!sc->sc_focus) { 389 (*sc->sc_accessops->show_screen)(sc->sc_accesscookie, 390 scr->scr_dconf->emulcookie, 391 0, 0, 0); 392 sc->sc_focusidx = idx; 393 sc->sc_focus = scr; 394 } 395 splx(s); 396 return (0); 397 } 398 399 static void 400 wsdisplay_closescreen(struct wsdisplay_softc *sc, struct wsscreen *scr) 401 { 402 int maj, mn, idx; 403 404 /* hangup */ 405 if (WSSCREEN_HAS_TTY(scr)) { 406 struct tty *tp = scr->scr_tty; 407 (*tp->t_linesw->l_modem)(tp, 0); 408 } 409 410 /* locate the major number */ 411 maj = cdevsw_lookup_major(&wsdisplay_cdevsw); 412 /* locate the screen index */ 413 for (idx = 0; idx < WSDISPLAY_MAXSCREEN; idx++) 414 if (scr == sc->sc_scr[idx]) 415 break; 416 #ifdef DIAGNOSTIC 417 if (idx == WSDISPLAY_MAXSCREEN) 418 panic("wsdisplay_forceclose: bad screen"); 419 #endif 420 421 /* nuke the vnodes */ 422 mn = WSDISPLAYMINOR(sc->sc_dv.dv_unit, idx); 423 vdevgone(maj, mn, mn, VCHR); 424 } 425 426 #ifdef WSDISPLAY_SCROLLSUPPORT 427 void 428 wsdisplay_scroll(void *arg, int op) 429 { 430 struct wsdisplay_softc *sc = arg; 431 int lines; 432 433 if (op == WSDISPLAY_SCROLL_RESET) 434 lines = 0; 435 else { 436 lines = (op & WSDISPLAY_SCROLL_LOW) ? 437 sc->sc_scroll_values.slowlines : 438 sc->sc_scroll_values.fastlines; 439 if (op & WSDISPLAY_SCROLL_BACKWARD) 440 lines = -(lines); 441 } 442 443 if (sc->sc_accessops->scroll) { 444 (*sc->sc_accessops->scroll)(sc->sc_accesscookie, 445 sc->sc_focus->scr_dconf->emulcookie, lines); 446 } 447 } 448 #endif 449 450 int 451 wsdisplay_delscreen(struct wsdisplay_softc *sc, int idx, int flags) 452 { 453 struct wsscreen *scr; 454 int s; 455 void *cookie; 456 457 if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN) 458 return (EINVAL); 459 if ((scr = sc->sc_scr[idx]) == NULL) 460 return (ENXIO); 461 462 if (scr->scr_dconf == &wsdisplay_console_conf || 463 scr->scr_syncops || 464 ((scr->scr_flags & SCR_OPEN) && !(flags & WSDISPLAY_DELSCR_FORCE))) 465 return(EBUSY); 466 467 wsdisplay_closescreen(sc, scr); 468 469 /* 470 * delete pointers, so neither device entries 471 * nor keyboard input can reference it anymore 472 */ 473 s = spltty(); 474 if (sc->sc_focus == scr) { 475 sc->sc_focus = 0; 476 #ifdef WSDISPLAY_COMPAT_RAWKBD 477 wsdisplay_update_rawkbd(sc, 0); 478 #endif 479 } 480 sc->sc_scr[idx] = 0; 481 splx(s); 482 483 /* 484 * Wake up processes waiting for the screen to 485 * be activated. Sleepers must check whether 486 * the screen still exists. 487 */ 488 if (scr->scr_flags & SCR_WAITACTIVE) 489 wakeup(scr); 490 491 /* save a reference to the graphics screen */ 492 cookie = scr->scr_dconf->emulcookie; 493 494 wsscreen_detach(scr); 495 496 (*sc->sc_accessops->free_screen)(sc->sc_accesscookie, 497 cookie); 498 499 printf("%s: screen %d deleted\n", sc->sc_dv.dv_xname, idx); 500 return (0); 501 } 502 503 /* 504 * Autoconfiguration functions. 505 */ 506 int 507 wsdisplay_emul_match(struct device *parent, struct cfdata *match, void *aux) 508 { 509 struct wsemuldisplaydev_attach_args *ap = aux; 510 511 if (match->wsemuldisplaydevcf_console != 512 WSEMULDISPLAYDEVCF_CONSOLE_UNK) { 513 /* 514 * If console-ness of device specified, either match 515 * exactly (at high priority), or fail. 516 */ 517 if (match->wsemuldisplaydevcf_console != 0 && 518 ap->console != 0) 519 return (10); 520 else 521 return (0); 522 } 523 524 /* If console-ness unspecified, it wins. */ 525 return (1); 526 } 527 528 void 529 wsdisplay_emul_attach(struct device *parent, struct device *self, void *aux) 530 { 531 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)self; 532 struct wsemuldisplaydev_attach_args *ap = aux; 533 534 /* Don't allow more than one console to attach */ 535 if (wsdisplay_console_attached && ap->console) 536 ap->console = 0; 537 538 wsdisplay_common_attach(sc, ap->console, 539 sc->sc_dv.dv_cfdata->wsemuldisplaydevcf_kbdmux, ap->scrdata, 540 ap->accessops, ap->accesscookie); 541 542 if (ap->console) { 543 int maj; 544 545 /* locate the major number */ 546 maj = cdevsw_lookup_major(&wsdisplay_cdevsw); 547 548 cn_tab->cn_dev = makedev(maj, WSDISPLAYMINOR(self->dv_unit, 0)); 549 } 550 } 551 552 /* Print function (for parent devices). */ 553 int 554 wsemuldisplaydevprint(void *aux, const char *pnp) 555 { 556 #if 0 /* -Wunused */ 557 struct wsemuldisplaydev_attach_args *ap = aux; 558 #endif 559 560 if (pnp) 561 aprint_normal("wsdisplay at %s", pnp); 562 #if 0 /* don't bother; it's ugly */ 563 aprint_normal(" console %d", ap->console); 564 #endif 565 566 return (UNCONF); 567 } 568 569 int 570 wsdisplay_noemul_match(struct device *parent, struct cfdata *match, void *aux) 571 { 572 #if 0 /* -Wunused */ 573 struct wsdisplaydev_attach_args *ap = aux; 574 #endif 575 576 /* Always match. */ 577 return (1); 578 } 579 580 void 581 wsdisplay_noemul_attach(struct device *parent, struct device *self, void *aux) 582 { 583 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)self; 584 struct wsdisplaydev_attach_args *ap = aux; 585 586 wsdisplay_common_attach(sc, 0, 587 sc->sc_dv.dv_cfdata->wsemuldisplaydevcf_kbdmux, NULL, 588 ap->accessops, ap->accesscookie); 589 } 590 591 /* Print function (for parent devices). */ 592 int 593 wsdisplaydevprint(void *aux, const char *pnp) 594 { 595 #if 0 /* -Wunused */ 596 struct wsdisplaydev_attach_args *ap = aux; 597 #endif 598 599 if (pnp) 600 aprint_normal("wsdisplay at %s", pnp); 601 602 return (UNCONF); 603 } 604 605 static void 606 wsdisplay_common_attach(struct wsdisplay_softc *sc, int console, int kbdmux, 607 const struct wsscreen_list *scrdata, 608 const struct wsdisplay_accessops *accessops, 609 void *accesscookie) 610 { 611 static int hookset; 612 int i, start=0; 613 #if NWSKBD > 0 614 struct wsevsrc *kme; 615 #if NWSMUX > 0 616 struct wsmux_softc *mux; 617 618 if (kbdmux >= 0) 619 mux = wsmux_getmux(kbdmux); 620 else 621 mux = wsmux_create("dmux", sc->sc_dv.dv_unit); 622 /* XXX panic()ing isn't nice, but attach cannot fail */ 623 if (mux == NULL) 624 panic("wsdisplay_common_attach: no memory"); 625 sc->sc_input = &mux->sc_base; 626 mux->sc_base.me_dispdv = &sc->sc_dv; 627 printf(" kbdmux %d", kbdmux); 628 #else 629 if (kbdmux >= 0) 630 printf(" (kbdmux ignored)"); 631 #endif 632 #endif 633 634 sc->sc_isconsole = console; 635 636 if (console) { 637 KASSERT(wsdisplay_console_initted); 638 KASSERT(wsdisplay_console_device == NULL); 639 640 sc->sc_scr[0] = wsscreen_attach(sc, 1, 0, 0, 0, 0, 0, 0); 641 wsdisplay_console_device = sc; 642 643 printf(": console (%s, %s emulation)", 644 wsdisplay_console_conf.scrdata->name, 645 wsdisplay_console_conf.wsemul->name); 646 647 #if NWSKBD > 0 648 kme = wskbd_set_console_display(&sc->sc_dv, sc->sc_input); 649 if (kme != NULL) 650 printf(", using %s", kme->me_dv.dv_xname); 651 #if NWSMUX == 0 652 sc->sc_input = kme; 653 #endif 654 #endif 655 656 sc->sc_focusidx = 0; 657 sc->sc_focus = sc->sc_scr[0]; 658 start = 1; 659 660 wsdisplay_console_attached = 1; 661 } 662 printf("\n"); 663 664 #if NWSKBD > 0 && NWSMUX > 0 665 wsmux_set_display(mux, &sc->sc_dv); 666 #endif 667 668 sc->sc_accessops = accessops; 669 sc->sc_accesscookie = accesscookie; 670 sc->sc_scrdata = scrdata; 671 672 #ifdef WSDISPLAY_SCROLLSUPPORT 673 sc->sc_scroll_values = wsdisplay_default_scroll_values; 674 #endif 675 676 /* 677 * Set up a number of virtual screens if wanted. The 678 * WSDISPLAYIO_ADDSCREEN ioctl is more flexible, so this code 679 * is for special cases like installation kernels. 680 */ 681 for (i = start; i < wsdisplay_defaultscreens; i++) { 682 if (wsdisplay_addscreen(sc, i, 0, 0)) 683 break; 684 } 685 686 if (i > start) 687 wsdisplay_addscreen_print(sc, start, i-start); 688 689 if (hookset == 0) 690 shutdownhook_establish(wsdisplay_shutdownhook, NULL); 691 hookset = 1; 692 } 693 694 void 695 wsdisplay_cnattach(const struct wsscreen_descr *type, void *cookie, 696 int ccol, int crow, long defattr) 697 { 698 const struct wsemul_ops *wsemul; 699 700 KASSERT(!wsdisplay_console_initted); 701 KASSERT(type->nrows > 0); 702 KASSERT(type->ncols > 0); 703 KASSERT(crow < type->nrows); 704 KASSERT(ccol < type->ncols); 705 706 wsdisplay_console_conf.emulops = type->textops; 707 wsdisplay_console_conf.emulcookie = cookie; 708 wsdisplay_console_conf.scrdata = type; 709 710 wsemul = wsemul_pick(0); /* default */ 711 wsdisplay_console_conf.wsemul = wsemul; 712 wsdisplay_console_conf.wsemulcookie = (*wsemul->cnattach)(type, cookie, 713 ccol, crow, 714 defattr); 715 716 cn_tab = &wsdisplay_cons; 717 wsdisplay_console_initted = 1; 718 } 719 720 /* 721 * Tty and cdevsw functions. 722 */ 723 int 724 wsdisplayopen(dev_t dev, int flag, int mode, struct lwp *l) 725 { 726 struct wsdisplay_softc *sc; 727 struct tty *tp; 728 int newopen, error; 729 struct wsscreen *scr; 730 731 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 732 if (sc == NULL) /* make sure it was attached */ 733 return (ENXIO); 734 735 if (ISWSDISPLAYSTAT(dev)) { 736 wsevent_init(&sc->evar, l->l_proc); 737 return (0); 738 } 739 740 if (ISWSDISPLAYCTL(dev)) 741 return (0); 742 743 if (WSDISPLAYSCREEN(dev) >= WSDISPLAY_MAXSCREEN) 744 return (ENXIO); 745 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 746 return (ENXIO); 747 748 if (WSSCREEN_HAS_TTY(scr)) { 749 tp = scr->scr_tty; 750 tp->t_oproc = wsdisplaystart; 751 tp->t_param = wsdisplayparam; 752 tp->t_dev = dev; 753 newopen = (tp->t_state & TS_ISOPEN) == 0; 754 if (newopen) { 755 ttychars(tp); 756 tp->t_iflag = TTYDEF_IFLAG; 757 tp->t_oflag = TTYDEF_OFLAG; 758 tp->t_cflag = TTYDEF_CFLAG; 759 tp->t_lflag = TTYDEF_LFLAG; 760 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 761 wsdisplayparam(tp, &tp->t_termios); 762 ttsetwater(tp); 763 } else if ((tp->t_state & TS_XCLUDE) != 0 && 764 suser(l->l_proc->p_ucred, &l->l_proc->p_acflag) != 0) 765 return EBUSY; 766 tp->t_state |= TS_CARR_ON; 767 768 error = ((*tp->t_linesw->l_open)(dev, tp)); 769 if (error) 770 return (error); 771 772 if (newopen && WSSCREEN_HAS_EMULATOR(scr)) { 773 /* set window sizes as appropriate, and reset 774 the emulation */ 775 tp->t_winsize.ws_row = scr->scr_dconf->scrdata->nrows; 776 tp->t_winsize.ws_col = scr->scr_dconf->scrdata->ncols; 777 778 /* wsdisplay_set_emulation() */ 779 } 780 } 781 782 scr->scr_flags |= SCR_OPEN; 783 return (0); 784 } 785 786 int 787 wsdisplayclose(dev_t dev, int flag, int mode, struct lwp *l) 788 { 789 struct wsdisplay_softc *sc; 790 struct tty *tp; 791 struct wsscreen *scr; 792 793 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 794 795 if (ISWSDISPLAYSTAT(dev)) { 796 wsevent_fini(&sc->evar); 797 return (0); 798 } 799 800 if (ISWSDISPLAYCTL(dev)) 801 return (0); 802 803 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 804 return (0); 805 806 if (WSSCREEN_HAS_TTY(scr)) { 807 if (scr->scr_hold_screen) { 808 int s; 809 810 /* XXX RESET KEYBOARD LEDS, etc. */ 811 s = spltty(); /* avoid conflict with keyboard */ 812 wsdisplay_kbdholdscreen((struct device *)sc, 0); 813 splx(s); 814 } 815 tp = scr->scr_tty; 816 (*tp->t_linesw->l_close)(tp, flag); 817 ttyclose(tp); 818 } 819 820 if (scr->scr_syncops) 821 (*scr->scr_syncops->destroy)(scr->scr_synccookie); 822 823 if (WSSCREEN_HAS_EMULATOR(scr)) { 824 scr->scr_flags &= ~SCR_GRAPHICS; 825 (*scr->scr_dconf->wsemul->reset)(scr->scr_dconf->wsemulcookie, 826 WSEMUL_RESET); 827 if (wsdisplay_clearonclose) 828 (*scr->scr_dconf->wsemul->reset) 829 (scr->scr_dconf->wsemulcookie, 830 WSEMUL_CLEARSCREEN); 831 } 832 833 #ifdef WSDISPLAY_COMPAT_RAWKBD 834 if (scr->scr_rawkbd) { 835 int kbmode = WSKBD_TRANSLATED; 836 (void)wsdisplay_internal_ioctl(sc, scr, WSKBDIO_SETMODE, 837 (caddr_t)&kbmode, 0, l); 838 } 839 #endif 840 841 scr->scr_flags &= ~SCR_OPEN; 842 843 return (0); 844 } 845 846 int 847 wsdisplayread(dev_t dev, struct uio *uio, int flag) 848 { 849 struct wsdisplay_softc *sc; 850 struct tty *tp; 851 struct wsscreen *scr; 852 int error; 853 854 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 855 856 if (ISWSDISPLAYSTAT(dev)) { 857 error = wsevent_read(&sc->evar, uio, flag); 858 return (error); 859 } 860 861 if (ISWSDISPLAYCTL(dev)) 862 return (0); 863 864 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 865 return (ENXIO); 866 867 if (!WSSCREEN_HAS_TTY(scr)) 868 return (ENODEV); 869 870 tp = scr->scr_tty; 871 return ((*tp->t_linesw->l_read)(tp, uio, flag)); 872 } 873 874 int 875 wsdisplaywrite(dev_t dev, struct uio *uio, int flag) 876 { 877 struct wsdisplay_softc *sc; 878 struct tty *tp; 879 struct wsscreen *scr; 880 881 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 882 883 if (ISWSDISPLAYSTAT(dev)) { 884 return (0); 885 } 886 887 if (ISWSDISPLAYCTL(dev)) 888 return (0); 889 890 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 891 return (ENXIO); 892 893 if (!WSSCREEN_HAS_TTY(scr)) 894 return (ENODEV); 895 896 tp = scr->scr_tty; 897 return ((*tp->t_linesw->l_write)(tp, uio, flag)); 898 } 899 900 int 901 wsdisplaypoll(dev_t dev, int events, struct lwp *l) 902 { 903 struct wsdisplay_softc *sc; 904 struct tty *tp; 905 struct wsscreen *scr; 906 907 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 908 909 if (ISWSDISPLAYSTAT(dev)) 910 return (wsevent_poll(&sc->evar, events, l)); 911 912 if (ISWSDISPLAYCTL(dev)) 913 return (0); 914 915 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 916 return (POLLHUP); 917 918 if (!WSSCREEN_HAS_TTY(scr)) 919 return (POLLERR); 920 921 tp = scr->scr_tty; 922 return ((*tp->t_linesw->l_poll)(tp, events, l)); 923 } 924 925 int 926 wsdisplaykqfilter(dev, kn) 927 dev_t dev; 928 struct knote *kn; 929 { 930 struct wsdisplay_softc *sc = 931 device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 932 struct wsscreen *scr; 933 934 if (ISWSDISPLAYCTL(dev)) 935 return (1); 936 937 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 938 return (1); 939 940 941 if (WSSCREEN_HAS_TTY(scr)) 942 return (ttykqfilter(dev, kn)); 943 else 944 return (1); 945 } 946 947 struct tty * 948 wsdisplaytty(dev_t dev) 949 { 950 struct wsdisplay_softc *sc; 951 struct wsscreen *scr; 952 953 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 954 955 if (ISWSDISPLAYSTAT(dev)) 956 panic("wsdisplaytty() on status device"); 957 958 if (ISWSDISPLAYCTL(dev)) 959 panic("wsdisplaytty() on ctl device"); 960 961 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 962 return NULL; 963 964 return (scr->scr_tty); 965 } 966 967 int 968 wsdisplayioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct lwp *l) 969 { 970 struct wsdisplay_softc *sc; 971 struct tty *tp; 972 int error; 973 struct wsscreen *scr; 974 975 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 976 977 #ifdef WSDISPLAY_COMPAT_USL 978 error = wsdisplay_usl_ioctl1(sc, cmd, data, flag, l); 979 if (error != EPASSTHROUGH) 980 return (error); 981 #endif 982 983 if (ISWSDISPLAYSTAT(dev)) 984 return (wsdisplay_stat_ioctl(sc, cmd, data, flag, l)); 985 986 if (ISWSDISPLAYCTL(dev)) 987 return (wsdisplay_cfg_ioctl(sc, cmd, data, flag, l)); 988 989 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 990 return (ENXIO); 991 992 if (WSSCREEN_HAS_TTY(scr)) { 993 tp = scr->scr_tty; 994 995 /* printf("disc\n"); */ 996 /* do the line discipline ioctls first */ 997 error = (*tp->t_linesw->l_ioctl)(tp, cmd, data, flag, l); 998 if (error != EPASSTHROUGH) 999 return (error); 1000 1001 /* printf("tty\n"); */ 1002 /* then the tty ioctls */ 1003 error = ttioctl(tp, cmd, data, flag, l); 1004 if (error != EPASSTHROUGH) 1005 return (error); 1006 } 1007 1008 #ifdef WSDISPLAY_COMPAT_USL 1009 error = wsdisplay_usl_ioctl2(sc, scr, cmd, data, flag, l); 1010 if (error != EPASSTHROUGH) 1011 return (error); 1012 #endif 1013 1014 return (wsdisplay_internal_ioctl(sc, scr, cmd, data, flag, l)); 1015 } 1016 1017 int 1018 wsdisplay_param(struct device *dev, u_long cmd, struct wsdisplay_param *dp) 1019 { 1020 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 1021 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie, cmd, 1022 (caddr_t)dp, 0, NULL)); 1023 } 1024 1025 int 1026 wsdisplay_internal_ioctl(struct wsdisplay_softc *sc, struct wsscreen *scr, 1027 u_long cmd, caddr_t data, int flag, struct lwp *l) 1028 { 1029 int error; 1030 char namebuf[16]; 1031 struct wsdisplay_font fd; 1032 #ifdef WSDISPLAY_SCROLLSUPPORT 1033 struct wsdisplay_scroll_data *ksdp, *usdp; 1034 #endif 1035 1036 #if NWSKBD > 0 1037 struct wsevsrc *inp; 1038 1039 #ifdef WSDISPLAY_COMPAT_RAWKBD 1040 switch (cmd) { 1041 case WSKBDIO_SETMODE: 1042 scr->scr_rawkbd = (*(int *)data == WSKBD_RAW); 1043 return (wsdisplay_update_rawkbd(sc, scr)); 1044 case WSKBDIO_GETMODE: 1045 *(int *)data = (scr->scr_rawkbd ? 1046 WSKBD_RAW : WSKBD_TRANSLATED); 1047 return (0); 1048 } 1049 #endif 1050 inp = sc->sc_input; 1051 if (inp == NULL) 1052 return (ENXIO); 1053 error = wsevsrc_display_ioctl(inp, cmd, data, flag, l); 1054 if (error != EPASSTHROUGH) 1055 return (error); 1056 #endif /* NWSKBD > 0 */ 1057 1058 switch (cmd) { 1059 case WSDISPLAYIO_GMODE: 1060 if (scr->scr_flags & SCR_GRAPHICS) { 1061 if (scr->scr_flags & SCR_DUMBFB) 1062 *(u_int *)data = WSDISPLAYIO_MODE_DUMBFB; 1063 else 1064 *(u_int *)data = WSDISPLAYIO_MODE_MAPPED; 1065 } else 1066 *(u_int *)data = WSDISPLAYIO_MODE_EMUL; 1067 return (0); 1068 1069 case WSDISPLAYIO_SMODE: 1070 #define d (*(int *)data) 1071 if (d != WSDISPLAYIO_MODE_EMUL && 1072 d != WSDISPLAYIO_MODE_MAPPED && 1073 d != WSDISPLAYIO_MODE_DUMBFB) 1074 return (EINVAL); 1075 1076 if (WSSCREEN_HAS_EMULATOR(scr)) { 1077 scr->scr_flags &= ~SCR_GRAPHICS; 1078 if (d == WSDISPLAYIO_MODE_MAPPED || 1079 d == WSDISPLAYIO_MODE_DUMBFB) 1080 scr->scr_flags |= SCR_GRAPHICS | 1081 ((d == WSDISPLAYIO_MODE_DUMBFB) ? SCR_DUMBFB : 0); 1082 } else if (d == WSDISPLAYIO_MODE_EMUL) 1083 return (EINVAL); 1084 1085 (void)(*sc->sc_accessops->ioctl)(sc->sc_accesscookie, cmd, data, 1086 flag, l); 1087 1088 return (0); 1089 #undef d 1090 1091 #ifdef WSDISPLAY_SCROLLSUPPORT 1092 #define SETSCROLLLINES(dstp, srcp, dfltp) \ 1093 do { \ 1094 (dstp)->fastlines = ((srcp)->which & \ 1095 WSDISPLAY_SCROLL_DOFASTLINES) ? \ 1096 (srcp)->fastlines : (dfltp)->fastlines; \ 1097 (dstp)->slowlines = ((srcp)->which & \ 1098 WSDISPLAY_SCROLL_DOSLOWLINES) ? \ 1099 (srcp)->slowlines : (dfltp)->slowlines; \ 1100 (dstp)->which = WSDISPLAY_SCROLL_DOALL; \ 1101 } while (0) 1102 1103 1104 case WSDISPLAYIO_DSSCROLL: 1105 usdp = (struct wsdisplay_scroll_data *)data; 1106 ksdp = &sc->sc_scroll_values; 1107 SETSCROLLLINES(ksdp, usdp, ksdp); 1108 return (0); 1109 1110 case WSDISPLAYIO_DGSCROLL: 1111 usdp = (struct wsdisplay_scroll_data *)data; 1112 ksdp = &sc->sc_scroll_values; 1113 SETSCROLLLINES(usdp, ksdp, ksdp); 1114 return (0); 1115 #else 1116 case WSDISPLAYIO_DSSCROLL: 1117 case WSDISPLAYIO_DGSCROLL: 1118 return ENODEV; 1119 #endif 1120 1121 case WSDISPLAYIO_SFONT: 1122 #define d ((struct wsdisplay_usefontdata *)data) 1123 if (!sc->sc_accessops->load_font) 1124 return (EINVAL); 1125 if (d->name) { 1126 error = copyinstr(d->name, namebuf, sizeof(namebuf), 0); 1127 if (error) 1128 return (error); 1129 fd.name = namebuf; 1130 } else 1131 fd.name = 0; 1132 fd.data = 0; 1133 error = (*sc->sc_accessops->load_font)(sc->sc_accesscookie, 1134 scr->scr_dconf->emulcookie, &fd); 1135 if (!error && WSSCREEN_HAS_EMULATOR(scr)) 1136 (*scr->scr_dconf->wsemul->reset) 1137 (scr->scr_dconf->wsemulcookie, WSEMUL_SYNCFONT); 1138 return (error); 1139 #undef d 1140 1141 #if defined(WSDISPLAY_CHARFUNCS) 1142 case WSDISPLAYIO_GETWSCHAR: 1143 #define d ((struct wsdisplay_char *)data) 1144 if (!sc->sc_accessops->getwschar) 1145 return (EINVAL); 1146 return ((*sc->sc_accessops->getwschar) 1147 (scr->scr_dconf->emulcookie, d)); 1148 #undef d 1149 1150 case WSDISPLAYIO_PUTWSCHAR: 1151 #define d ((struct wsdisplay_char *)data) 1152 if (!sc->sc_accessops->putwschar) 1153 return (EINVAL); 1154 return ((*sc->sc_accessops->putwschar) 1155 (scr->scr_dconf->emulcookie, d)); 1156 #undef d 1157 #else 1158 case WSDISPLAYIO_PUTWSCHAR: 1159 case WSDISPLAYIO_GETWSCHAR: 1160 return ENODEV; 1161 #endif /* WSDISPLAY_CHARFUNCS */ 1162 1163 #ifdef WSDISPLAY_CUSTOM_OUTPUT 1164 case WSDISPLAYIO_GMSGATTRS: 1165 #define d ((struct wsdisplay_msgattrs *)data) 1166 (*scr->scr_dconf->wsemul->getmsgattrs) 1167 (scr->scr_dconf->wsemulcookie, d); 1168 return (0); 1169 #undef d 1170 1171 case WSDISPLAYIO_SMSGATTRS: { 1172 #define d ((struct wsdisplay_msgattrs *)data) 1173 int i; 1174 for (i = 0; i < WSDISPLAY_MAXSCREEN; i++) 1175 if (sc->sc_scr[i] != NULL) 1176 (*sc->sc_scr[i]->scr_dconf->wsemul->setmsgattrs) 1177 (sc->sc_scr[i]->scr_dconf->wsemulcookie, 1178 sc->sc_scr[i]->scr_dconf->scrdata, 1179 d); 1180 } 1181 return (0); 1182 #undef d 1183 #else 1184 case WSDISPLAYIO_GMSGATTRS: 1185 case WSDISPLAYIO_SMSGATTRS: 1186 return (ENODEV); 1187 #endif 1188 1189 #ifdef WSDISPLAY_CUSTOM_BORDER 1190 case WSDISPLAYIO_GBORDER: 1191 if (!sc->sc_accessops->getborder) 1192 return (EINVAL); 1193 *(u_int *)data = (*sc->sc_accessops->getborder) 1194 (scr->scr_dconf->emulcookie); 1195 return (0); 1196 case WSDISPLAYIO_SBORDER: 1197 if (!sc->sc_accessops->setborder) 1198 return (EINVAL); 1199 return (*sc->sc_accessops->setborder) 1200 (scr->scr_dconf->emulcookie, (*(u_int *)data)); 1201 #else /* WSDISPLAY_CUSTOM_BORDER */ 1202 case WSDISPLAYIO_GBORDER: 1203 case WSDISPLAYIO_SBORDER: 1204 return (ENODEV); 1205 #endif /* WSDISPLAY_CUSTOM_BORDER */ 1206 1207 } 1208 1209 /* check ioctls for display */ 1210 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie, cmd, data, 1211 flag, l)); 1212 } 1213 1214 int 1215 wsdisplay_stat_ioctl(struct wsdisplay_softc *sc, u_long cmd, caddr_t data, 1216 int flag, struct lwp *l) 1217 { 1218 switch (cmd) { 1219 case WSDISPLAYIO_GETACTIVESCREEN: 1220 *(int*)data = wsdisplay_getactivescreen(sc); 1221 return (0); 1222 } 1223 1224 return (EPASSTHROUGH); 1225 } 1226 1227 int 1228 wsdisplay_cfg_ioctl(struct wsdisplay_softc *sc, u_long cmd, caddr_t data, 1229 int flag, struct lwp *l) 1230 { 1231 int error; 1232 char *type, typebuf[16], *emul, emulbuf[16]; 1233 void *tbuf; 1234 u_int fontsz; 1235 #if defined(COMPAT_14) && NWSKBD > 0 1236 struct wsmux_device wsmuxdata; 1237 #endif 1238 #if NWSKBD > 0 1239 struct wsevsrc *inp; 1240 #endif 1241 1242 switch (cmd) { 1243 case WSDISPLAYIO_ADDSCREEN: 1244 #define d ((struct wsdisplay_addscreendata *)data) 1245 if (d->screentype) { 1246 error = copyinstr(d->screentype, typebuf, 1247 sizeof(typebuf), 0); 1248 if (error) 1249 return (error); 1250 type = typebuf; 1251 } else 1252 type = 0; 1253 if (d->emul) { 1254 error = copyinstr(d->emul, emulbuf, sizeof(emulbuf),0); 1255 if (error) 1256 return (error); 1257 emul = emulbuf; 1258 } else 1259 emul = 0; 1260 1261 if ((error = wsdisplay_addscreen(sc, d->idx, type, emul)) == 0) 1262 wsdisplay_addscreen_print(sc, d->idx, 0); 1263 return (error); 1264 #undef d 1265 case WSDISPLAYIO_DELSCREEN: 1266 #define d ((struct wsdisplay_delscreendata *)data) 1267 return (wsdisplay_delscreen(sc, d->idx, d->flags)); 1268 #undef d 1269 case WSDISPLAYIO_LDFONT: 1270 #define d ((struct wsdisplay_font *)data) 1271 if (!sc->sc_accessops->load_font) 1272 return (EINVAL); 1273 if (d->name) { 1274 error = copyinstr(d->name, typebuf, sizeof(typebuf), 0); 1275 if (error) 1276 return (error); 1277 d->name = typebuf; 1278 } else 1279 d->name = "loaded"; /* ??? */ 1280 fontsz = d->fontheight * d->stride * d->numchars; 1281 if (fontsz > WSDISPLAY_MAXFONTSZ) 1282 return (EINVAL); 1283 1284 tbuf = malloc(fontsz, M_DEVBUF, M_WAITOK); 1285 error = copyin(d->data, tbuf, fontsz); 1286 if (error) { 1287 free(tbuf, M_DEVBUF); 1288 return (error); 1289 } 1290 d->data = tbuf; 1291 error = 1292 (*sc->sc_accessops->load_font)(sc->sc_accesscookie, 0, d); 1293 free(tbuf, M_DEVBUF); 1294 #undef d 1295 return (error); 1296 1297 #if NWSKBD > 0 1298 #ifdef COMPAT_14 1299 case _O_WSDISPLAYIO_SETKEYBOARD: 1300 #define d ((struct wsdisplay_kbddata *)data) 1301 inp = sc->sc_input; 1302 if (inp == NULL) 1303 return (ENXIO); 1304 switch (d->op) { 1305 case _O_WSDISPLAY_KBD_ADD: 1306 if (d->idx == -1) { 1307 d->idx = wskbd_pickfree(); 1308 if (d->idx == -1) 1309 return (ENXIO); 1310 } 1311 wsmuxdata.type = WSMUX_KBD; 1312 wsmuxdata.idx = d->idx; 1313 return (wsevsrc_ioctl(inp, WSMUX_ADD_DEVICE, 1314 &wsmuxdata, flag, l)); 1315 case _O_WSDISPLAY_KBD_DEL: 1316 wsmuxdata.type = WSMUX_KBD; 1317 wsmuxdata.idx = d->idx; 1318 return (wsevsrc_ioctl(inp, WSMUX_REMOVE_DEVICE, 1319 &wsmuxdata, flag, l)); 1320 default: 1321 return (EINVAL); 1322 } 1323 #undef d 1324 #endif 1325 1326 case WSMUXIO_ADD_DEVICE: 1327 #define d ((struct wsmux_device *)data) 1328 if (d->idx == -1 && d->type == WSMUX_KBD) 1329 d->idx = wskbd_pickfree(); 1330 #undef d 1331 /* fall into */ 1332 case WSMUXIO_INJECTEVENT: 1333 case WSMUXIO_REMOVE_DEVICE: 1334 case WSMUXIO_LIST_DEVICES: 1335 inp = sc->sc_input; 1336 if (inp == NULL) 1337 return (ENXIO); 1338 return (wsevsrc_ioctl(inp, cmd, data, flag, l)); 1339 #endif /* NWSKBD > 0 */ 1340 1341 } 1342 return (EPASSTHROUGH); 1343 } 1344 1345 int 1346 wsdisplay_stat_inject(struct device *dev, u_int type, int value) 1347 { 1348 struct wsdisplay_softc *sc = (struct wsdisplay_softc *) dev; 1349 struct wseventvar *evar; 1350 struct wscons_event event; 1351 1352 evar = &sc->evar; 1353 1354 if (evar == NULL) 1355 return (0); 1356 1357 if (evar->q == NULL) 1358 return (1); 1359 1360 event.type = type; 1361 event.value = value; 1362 if (wsevent_inject(evar, &event, 1) != 0) { 1363 log(LOG_WARNING, "wsdisplay: event queue overflow\n"); 1364 return (1); 1365 } 1366 1367 return (0); 1368 } 1369 1370 paddr_t 1371 wsdisplaymmap(dev_t dev, off_t offset, int prot) 1372 { 1373 struct wsdisplay_softc *sc = 1374 device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 1375 struct wsscreen *scr; 1376 1377 if (ISWSDISPLAYSTAT(dev)) 1378 return (-1); 1379 1380 if (ISWSDISPLAYCTL(dev)) 1381 return (-1); 1382 1383 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 1384 return (-1); 1385 1386 if (!(scr->scr_flags & SCR_GRAPHICS)) 1387 return (-1); 1388 1389 /* pass mmap to display */ 1390 return ((*sc->sc_accessops->mmap)(sc->sc_accesscookie, offset, prot)); 1391 } 1392 1393 void 1394 wsdisplaystart(struct tty *tp) 1395 { 1396 struct wsdisplay_softc *sc; 1397 struct wsscreen *scr; 1398 int s, n; 1399 u_char *tbuf; 1400 1401 s = spltty(); 1402 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) { 1403 splx(s); 1404 return; 1405 } 1406 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(tp->t_dev)); 1407 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(tp->t_dev)]) == NULL) { 1408 splx(s); 1409 return; 1410 } 1411 1412 if (scr->scr_hold_screen) { 1413 tp->t_state |= TS_TIMEOUT; 1414 splx(s); 1415 return; 1416 } 1417 tp->t_state |= TS_BUSY; 1418 splx(s); 1419 1420 /* 1421 * Drain output from ring buffer. 1422 * The output will normally be in one contiguous chunk, but when the 1423 * ring wraps, it will be in two pieces.. one at the end of the ring, 1424 * the other at the start. For performance, rather than loop here, 1425 * we output one chunk, see if there's another one, and if so, output 1426 * it too. 1427 */ 1428 1429 n = ndqb(&tp->t_outq, 0); 1430 tbuf = tp->t_outq.c_cf; 1431 1432 if (!(scr->scr_flags & SCR_GRAPHICS)) { 1433 KASSERT(WSSCREEN_HAS_EMULATOR(scr)); 1434 (*scr->scr_dconf->wsemul->output)(scr->scr_dconf->wsemulcookie, 1435 tbuf, n, 0); 1436 } 1437 ndflush(&tp->t_outq, n); 1438 1439 if ((n = ndqb(&tp->t_outq, 0)) > 0) { 1440 tbuf = tp->t_outq.c_cf; 1441 1442 if (!(scr->scr_flags & SCR_GRAPHICS)) { 1443 KASSERT(WSSCREEN_HAS_EMULATOR(scr)); 1444 (*scr->scr_dconf->wsemul->output) 1445 (scr->scr_dconf->wsemulcookie, tbuf, n, 0); 1446 } 1447 ndflush(&tp->t_outq, n); 1448 } 1449 1450 s = spltty(); 1451 tp->t_state &= ~TS_BUSY; 1452 /* Come back if there's more to do */ 1453 if (tp->t_outq.c_cc) { 1454 tp->t_state |= TS_TIMEOUT; 1455 callout_reset(&tp->t_rstrt_ch, (hz > 128) ? (hz / 128) : 1, 1456 ttrstrt, tp); 1457 } 1458 if (tp->t_outq.c_cc <= tp->t_lowat) { 1459 if (tp->t_state&TS_ASLEEP) { 1460 tp->t_state &= ~TS_ASLEEP; 1461 wakeup(&tp->t_outq); 1462 } 1463 selwakeup(&tp->t_wsel); 1464 } 1465 splx(s); 1466 } 1467 1468 void 1469 wsdisplaystop(struct tty *tp, int flag) 1470 { 1471 int s; 1472 1473 s = spltty(); 1474 if (ISSET(tp->t_state, TS_BUSY)) 1475 if (!ISSET(tp->t_state, TS_TTSTOP)) 1476 SET(tp->t_state, TS_FLUSH); 1477 splx(s); 1478 } 1479 1480 /* Set line parameters. */ 1481 int 1482 wsdisplayparam(struct tty *tp, struct termios *t) 1483 { 1484 1485 tp->t_ispeed = t->c_ispeed; 1486 tp->t_ospeed = t->c_ospeed; 1487 tp->t_cflag = t->c_cflag; 1488 return 0; 1489 } 1490 1491 /* 1492 * Callbacks for the emulation code. 1493 */ 1494 void 1495 wsdisplay_emulbell(void *v) 1496 { 1497 struct wsscreen *scr = v; 1498 1499 if (scr == NULL) /* console, before real attach */ 1500 return; 1501 1502 if (scr->scr_flags & SCR_GRAPHICS) /* can this happen? */ 1503 return; 1504 1505 (void) wsdisplay_internal_ioctl(scr->sc, scr, WSKBDIO_BELL, NULL, 1506 FWRITE, NULL); 1507 } 1508 1509 void 1510 wsdisplay_emulinput(void *v, const u_char *data, u_int count) 1511 { 1512 struct wsscreen *scr = v; 1513 struct tty *tp; 1514 1515 if (v == NULL) /* console, before real attach */ 1516 return; 1517 1518 if (scr->scr_flags & SCR_GRAPHICS) /* XXX can't happen */ 1519 return; 1520 if (!WSSCREEN_HAS_TTY(scr)) 1521 return; 1522 1523 tp = scr->scr_tty; 1524 while (count-- > 0) 1525 (*tp->t_linesw->l_rint)(*data++, tp); 1526 } 1527 1528 /* 1529 * Calls from the keyboard interface. 1530 */ 1531 void 1532 wsdisplay_kbdinput(struct device *dev, keysym_t ks) 1533 { 1534 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 1535 struct wsscreen *scr; 1536 const char *dp; 1537 int count; 1538 struct tty *tp; 1539 1540 KASSERT(sc != NULL); 1541 1542 scr = sc->sc_focus; 1543 1544 if (!scr || !WSSCREEN_HAS_TTY(scr)) 1545 return; 1546 1547 tp = scr->scr_tty; 1548 1549 if (KS_GROUP(ks) == KS_GROUP_Ascii) 1550 (*tp->t_linesw->l_rint)(KS_VALUE(ks), tp); 1551 else if (WSSCREEN_HAS_EMULATOR(scr)) { 1552 count = (*scr->scr_dconf->wsemul->translate) 1553 (scr->scr_dconf->wsemulcookie, ks, &dp); 1554 while (count-- > 0) 1555 (*tp->t_linesw->l_rint)(*dp++, tp); 1556 } 1557 } 1558 1559 #if defined(WSDISPLAY_COMPAT_RAWKBD) 1560 int 1561 wsdisplay_update_rawkbd(struct wsdisplay_softc *sc, struct wsscreen *scr) 1562 { 1563 #if NWSKBD > 0 1564 int s, raw, data, error; 1565 struct wsevsrc *inp; 1566 1567 s = spltty(); 1568 1569 raw = (scr ? scr->scr_rawkbd : 0); 1570 1571 if (scr != sc->sc_focus || 1572 sc->sc_rawkbd == raw) { 1573 splx(s); 1574 return (0); 1575 } 1576 1577 data = raw ? WSKBD_RAW : WSKBD_TRANSLATED; 1578 inp = sc->sc_input; 1579 if (inp == NULL) 1580 return (ENXIO); 1581 error = wsevsrc_display_ioctl(inp, WSKBDIO_SETMODE, &data, 0, 0); 1582 if (!error) 1583 sc->sc_rawkbd = raw; 1584 splx(s); 1585 return (error); 1586 #else 1587 return (0); 1588 #endif 1589 } 1590 #endif 1591 1592 int 1593 wsdisplay_switch3(void *arg, int error, int waitok) 1594 { 1595 struct wsdisplay_softc *sc = arg; 1596 int no; 1597 struct wsscreen *scr; 1598 1599 if (!(sc->sc_flags & SC_SWITCHPENDING)) { 1600 printf("wsdisplay_switch3: not switching\n"); 1601 return (EINVAL); 1602 } 1603 1604 no = sc->sc_screenwanted; 1605 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1606 panic("wsdisplay_switch3: invalid screen %d", no); 1607 scr = sc->sc_scr[no]; 1608 if (!scr) { 1609 printf("wsdisplay_switch3: screen %d disappeared\n", no); 1610 error = ENXIO; 1611 } 1612 1613 if (error) { 1614 /* try to recover, avoid recursion */ 1615 1616 if (sc->sc_oldscreen == WSDISPLAY_NULLSCREEN) { 1617 printf("wsdisplay_switch3: giving up\n"); 1618 sc->sc_focus = 0; 1619 #ifdef WSDISPLAY_COMPAT_RAWKBD 1620 wsdisplay_update_rawkbd(sc, 0); 1621 #endif 1622 sc->sc_flags &= ~SC_SWITCHPENDING; 1623 return (error); 1624 } 1625 1626 sc->sc_screenwanted = sc->sc_oldscreen; 1627 sc->sc_oldscreen = WSDISPLAY_NULLSCREEN; 1628 return (wsdisplay_switch1(arg, 0, waitok)); 1629 } 1630 1631 sc->sc_flags &= ~SC_SWITCHPENDING; 1632 1633 if (!error && (scr->scr_flags & SCR_WAITACTIVE)) 1634 wakeup(scr); 1635 return (error); 1636 } 1637 1638 int 1639 wsdisplay_switch2(void *arg, int error, int waitok) 1640 { 1641 struct wsdisplay_softc *sc = arg; 1642 int no; 1643 struct wsscreen *scr; 1644 1645 if (!(sc->sc_flags & SC_SWITCHPENDING)) { 1646 printf("wsdisplay_switch2: not switching\n"); 1647 return (EINVAL); 1648 } 1649 1650 no = sc->sc_screenwanted; 1651 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1652 panic("wsdisplay_switch2: invalid screen %d", no); 1653 scr = sc->sc_scr[no]; 1654 if (!scr) { 1655 printf("wsdisplay_switch2: screen %d disappeared\n", no); 1656 error = ENXIO; 1657 } 1658 1659 if (error) { 1660 /* try to recover, avoid recursion */ 1661 1662 if (sc->sc_oldscreen == WSDISPLAY_NULLSCREEN) { 1663 printf("wsdisplay_switch2: giving up\n"); 1664 sc->sc_focus = 0; 1665 sc->sc_flags &= ~SC_SWITCHPENDING; 1666 return (error); 1667 } 1668 1669 sc->sc_screenwanted = sc->sc_oldscreen; 1670 sc->sc_oldscreen = WSDISPLAY_NULLSCREEN; 1671 return (wsdisplay_switch1(arg, 0, waitok)); 1672 } 1673 1674 sc->sc_focusidx = no; 1675 sc->sc_focus = scr; 1676 1677 #ifdef WSDISPLAY_COMPAT_RAWKBD 1678 (void) wsdisplay_update_rawkbd(sc, scr); 1679 #endif 1680 /* keyboard map??? */ 1681 1682 #define wsswitch_cb3 ((void (*)(void *, int, int))wsdisplay_switch3) 1683 if (scr->scr_syncops) { 1684 error = (*scr->scr_syncops->attach)(scr->scr_synccookie, waitok, 1685 sc->sc_isconsole && wsdisplay_cons_pollmode ? 0 : wsswitch_cb3, sc); 1686 if (error == EAGAIN) { 1687 /* switch will be done asynchronously */ 1688 return (0); 1689 } 1690 } 1691 1692 return (wsdisplay_switch3(sc, error, waitok)); 1693 } 1694 1695 int 1696 wsdisplay_switch1(void *arg, int error, int waitok) 1697 { 1698 struct wsdisplay_softc *sc = arg; 1699 int no; 1700 struct wsscreen *scr; 1701 1702 if (!(sc->sc_flags & SC_SWITCHPENDING)) { 1703 printf("wsdisplay_switch1: not switching\n"); 1704 return (EINVAL); 1705 } 1706 1707 no = sc->sc_screenwanted; 1708 if (no == WSDISPLAY_NULLSCREEN) { 1709 sc->sc_flags &= ~SC_SWITCHPENDING; 1710 if (!error) { 1711 sc->sc_focus = 0; 1712 } 1713 wakeup(sc); 1714 return (error); 1715 } 1716 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1717 panic("wsdisplay_switch1: invalid screen %d", no); 1718 scr = sc->sc_scr[no]; 1719 if (!scr) { 1720 printf("wsdisplay_switch1: screen %d disappeared\n", no); 1721 error = ENXIO; 1722 } 1723 1724 if (error) { 1725 sc->sc_flags &= ~SC_SWITCHPENDING; 1726 return (error); 1727 } 1728 1729 #define wsswitch_cb2 ((void (*)(void *, int, int))wsdisplay_switch2) 1730 error = (*sc->sc_accessops->show_screen)(sc->sc_accesscookie, 1731 scr->scr_dconf->emulcookie, 1732 waitok, 1733 sc->sc_isconsole && wsdisplay_cons_pollmode ? 0 : wsswitch_cb2, sc); 1734 if (error == EAGAIN) { 1735 /* switch will be done asynchronously */ 1736 return (0); 1737 } 1738 1739 return (wsdisplay_switch2(sc, error, waitok)); 1740 } 1741 1742 int 1743 wsdisplay_switch(struct device *dev, int no, int waitok) 1744 { 1745 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 1746 int s, res = 0; 1747 struct wsscreen *scr; 1748 1749 if (no != WSDISPLAY_NULLSCREEN) { 1750 if ((no < 0 || no >= WSDISPLAY_MAXSCREEN)) 1751 return (EINVAL); 1752 if (sc->sc_scr[no] == NULL) 1753 return (ENXIO); 1754 } 1755 1756 wsdisplay_stat_inject(dev, WSCONS_EVENT_SCREEN_SWITCH, no); 1757 1758 s = spltty(); 1759 1760 if ((sc->sc_focus && no == sc->sc_focusidx) || 1761 (sc->sc_focus == NULL && no == WSDISPLAY_NULLSCREEN)) { 1762 splx(s); 1763 return (0); 1764 } 1765 1766 if (sc->sc_flags & SC_SWITCHPENDING) { 1767 splx(s); 1768 return (EBUSY); 1769 } 1770 1771 sc->sc_flags |= SC_SWITCHPENDING; 1772 sc->sc_screenwanted = no; 1773 1774 splx(s); 1775 1776 scr = sc->sc_focus; 1777 if (!scr) { 1778 sc->sc_oldscreen = WSDISPLAY_NULLSCREEN; 1779 return (wsdisplay_switch1(sc, 0, waitok)); 1780 } else 1781 sc->sc_oldscreen = sc->sc_focusidx; 1782 1783 #define wsswitch_cb1 ((void (*)(void *, int, int))wsdisplay_switch1) 1784 if (scr->scr_syncops) { 1785 res = (*scr->scr_syncops->detach)(scr->scr_synccookie, waitok, 1786 sc->sc_isconsole && wsdisplay_cons_pollmode ? 0 : wsswitch_cb1, sc); 1787 if (res == EAGAIN) { 1788 /* switch will be done asynchronously */ 1789 return (0); 1790 } 1791 } else if (scr->scr_flags & SCR_GRAPHICS) { 1792 /* no way to save state */ 1793 res = EBUSY; 1794 } 1795 1796 return (wsdisplay_switch1(sc, res, waitok)); 1797 } 1798 1799 void 1800 wsdisplay_reset(struct device *dev, enum wsdisplay_resetops op) 1801 { 1802 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 1803 struct wsscreen *scr; 1804 1805 KASSERT(sc != NULL); 1806 scr = sc->sc_focus; 1807 1808 if (!scr) 1809 return; 1810 1811 switch (op) { 1812 case WSDISPLAY_RESETEMUL: 1813 if (!WSSCREEN_HAS_EMULATOR(scr)) 1814 break; 1815 (*scr->scr_dconf->wsemul->reset)(scr->scr_dconf->wsemulcookie, 1816 WSEMUL_RESET); 1817 break; 1818 case WSDISPLAY_RESETCLOSE: 1819 wsdisplay_closescreen(sc, scr); 1820 break; 1821 } 1822 } 1823 1824 /* 1825 * Interface for (external) VT switch / process synchronization code 1826 */ 1827 int 1828 wsscreen_attach_sync(struct wsscreen *scr, const struct wscons_syncops *ops, 1829 void *cookie) 1830 { 1831 if (scr->scr_syncops) { 1832 /* 1833 * The screen is already claimed. 1834 * Check if the owner is still alive. 1835 */ 1836 if ((*scr->scr_syncops->check)(scr->scr_synccookie)) 1837 return (EBUSY); 1838 } 1839 scr->scr_syncops = ops; 1840 scr->scr_synccookie = cookie; 1841 return (0); 1842 } 1843 1844 int 1845 wsscreen_detach_sync(struct wsscreen *scr) 1846 { 1847 if (!scr->scr_syncops) 1848 return (EINVAL); 1849 scr->scr_syncops = 0; 1850 return (0); 1851 } 1852 1853 int 1854 wsscreen_lookup_sync(struct wsscreen *scr, 1855 const struct wscons_syncops *ops, /* used as ID */ 1856 void **cookiep) 1857 { 1858 if (!scr->scr_syncops || ops != scr->scr_syncops) 1859 return (EINVAL); 1860 *cookiep = scr->scr_synccookie; 1861 return (0); 1862 } 1863 1864 /* 1865 * Interface to virtual screen stuff 1866 */ 1867 int 1868 wsdisplay_maxscreenidx(struct wsdisplay_softc *sc) 1869 { 1870 return (WSDISPLAY_MAXSCREEN - 1); 1871 } 1872 1873 int 1874 wsdisplay_screenstate(struct wsdisplay_softc *sc, int idx) 1875 { 1876 if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN) 1877 return (EINVAL); 1878 if (!sc->sc_scr[idx]) 1879 return (ENXIO); 1880 return ((sc->sc_scr[idx]->scr_flags & SCR_OPEN) ? EBUSY : 0); 1881 } 1882 1883 int 1884 wsdisplay_getactivescreen(struct wsdisplay_softc *sc) 1885 { 1886 return (sc->sc_focus ? sc->sc_focusidx : WSDISPLAY_NULLSCREEN); 1887 } 1888 1889 int 1890 wsscreen_switchwait(struct wsdisplay_softc *sc, int no) 1891 { 1892 struct wsscreen *scr; 1893 int s, res = 0; 1894 1895 if (no == WSDISPLAY_NULLSCREEN) { 1896 s = spltty(); 1897 while (sc->sc_focus && res == 0) { 1898 res = tsleep(sc, PCATCH, "wswait", 0); 1899 } 1900 splx(s); 1901 return (res); 1902 } 1903 1904 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1905 return (ENXIO); 1906 scr = sc->sc_scr[no]; 1907 if (!scr) 1908 return (ENXIO); 1909 1910 s = spltty(); 1911 if (scr != sc->sc_focus) { 1912 scr->scr_flags |= SCR_WAITACTIVE; 1913 res = tsleep(scr, PCATCH, "wswait", 0); 1914 if (scr != sc->sc_scr[no]) 1915 res = ENXIO; /* disappeared in the meantime */ 1916 else 1917 scr->scr_flags &= ~SCR_WAITACTIVE; 1918 } 1919 splx(s); 1920 return (res); 1921 } 1922 1923 void 1924 wsdisplay_kbdholdscreen(struct device *dev, int hold) 1925 { 1926 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 1927 struct wsscreen *scr; 1928 1929 scr = sc->sc_focus; 1930 1931 if (hold) 1932 scr->scr_hold_screen = 1; 1933 else { 1934 scr->scr_hold_screen = 0; 1935 callout_reset(&scr->scr_tty->t_rstrt_ch, 0, 1936 ttrstrt, scr->scr_tty); /* "immediate" */ 1937 } 1938 } 1939 1940 #if NWSKBD > 0 1941 void 1942 wsdisplay_set_console_kbd(struct wsevsrc *src) 1943 { 1944 if (wsdisplay_console_device == NULL) { 1945 src->me_dispdv = NULL; 1946 return; 1947 } 1948 #if NWSMUX > 0 1949 if (wsmux_attach_sc((struct wsmux_softc *) 1950 wsdisplay_console_device->sc_input, src)) { 1951 src->me_dispdv = NULL; 1952 return; 1953 } 1954 #else 1955 wsdisplay_console_device->sc_input = src; 1956 #endif 1957 src->me_dispdv = &wsdisplay_console_device->sc_dv; 1958 } 1959 #endif /* NWSKBD > 0 */ 1960 1961 /* 1962 * Console interface. 1963 */ 1964 void 1965 wsdisplay_cnputc(dev_t dev, int i) 1966 { 1967 struct wsscreen_internal *dc; 1968 u_char c = i; 1969 1970 if (!wsdisplay_console_initted) 1971 return; 1972 1973 if ((wsdisplay_console_device != NULL) && 1974 (wsdisplay_console_device->sc_scr[0] != NULL) && 1975 (wsdisplay_console_device->sc_scr[0]->scr_flags & SCR_GRAPHICS)) 1976 return; 1977 1978 dc = &wsdisplay_console_conf; 1979 (*dc->wsemul->output)(dc->wsemulcookie, &c, 1, 1); 1980 } 1981 1982 static int 1983 wsdisplay_getc_dummy(dev_t dev) 1984 { 1985 /* panic? */ 1986 return (0); 1987 } 1988 1989 static void 1990 wsdisplay_pollc(dev_t dev, int on) 1991 { 1992 1993 wsdisplay_cons_pollmode = on; 1994 1995 /* notify to fb drivers */ 1996 if (wsdisplay_console_device != NULL && 1997 wsdisplay_console_device->sc_accessops->pollc != NULL) 1998 (*wsdisplay_console_device->sc_accessops->pollc) 1999 (wsdisplay_console_device->sc_accesscookie, on); 2000 2001 /* notify to kbd drivers */ 2002 if (wsdisplay_cons_kbd_pollc) 2003 (*wsdisplay_cons_kbd_pollc)(NODEV, on); 2004 } 2005 2006 void 2007 wsdisplay_set_cons_kbd(int (*get)(dev_t), void (*poll)(dev_t, int), 2008 void (*bell)(dev_t, u_int, u_int, u_int)) 2009 { 2010 wsdisplay_cons.cn_getc = get; 2011 wsdisplay_cons.cn_bell = bell; 2012 wsdisplay_cons_kbd_pollc = poll; 2013 } 2014 2015 void 2016 wsdisplay_unset_cons_kbd(void) 2017 { 2018 wsdisplay_cons.cn_getc = wsdisplay_getc_dummy; 2019 wsdisplay_cons.cn_bell = NULL; 2020 wsdisplay_cons_kbd_pollc = 0; 2021 } 2022 2023 /* 2024 * Switch the console display to it's first screen. 2025 */ 2026 void 2027 wsdisplay_switchtoconsole(void) 2028 { 2029 struct wsdisplay_softc *sc; 2030 struct wsscreen *scr; 2031 2032 if (wsdisplay_console_device != NULL) { 2033 sc = wsdisplay_console_device; 2034 if ((scr = sc->sc_scr[0]) == NULL) 2035 return; 2036 (*sc->sc_accessops->show_screen)(sc->sc_accesscookie, 2037 scr->scr_dconf->emulcookie, 2038 0, NULL, NULL); 2039 } 2040 } 2041 2042 /* 2043 * Switch the console at shutdown. 2044 */ 2045 static void 2046 wsdisplay_shutdownhook(void *arg) 2047 { 2048 2049 wsdisplay_switchtoconsole(); 2050 } 2051
Indexes created Sun Oct 19 21:10:07 GMT 2025