wsdisplay.c revision 1.89.2.2
1 /* $NetBSD: wsdisplay.c,v 1.89.2.2 2006/04/01 12:07:38 yamt 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 1.89.2.2 2006/04/01 12:07:38 yamt 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 #define WSDISPLAYUNIT(dev) (minor(dev) >> 8) 190 #define WSDISPLAYSCREEN(dev) (minor(dev) & 0xff) 191 #define ISWSDISPLAYSTAT(dev) (WSDISPLAYSCREEN(dev) == 254) 192 #define ISWSDISPLAYCTL(dev) (WSDISPLAYSCREEN(dev) == 255) 193 #define WSDISPLAYMINOR(unit, screen) (((unit) << 8) | (screen)) 194 195 #define WSSCREEN_HAS_EMULATOR(scr) ((scr)->scr_dconf->wsemul != NULL) 196 #define WSSCREEN_HAS_TTY(scr) ((scr)->scr_tty != NULL) 197 198 static void wsdisplay_common_attach(struct wsdisplay_softc *sc, 199 int console, int kbdmux, const struct wsscreen_list *, 200 const struct wsdisplay_accessops *accessops, 201 void *accesscookie); 202 203 #ifdef WSDISPLAY_COMPAT_RAWKBD 204 int wsdisplay_update_rawkbd(struct wsdisplay_softc *, 205 struct wsscreen *); 206 #endif 207 208 static int wsdisplay_console_initted; 209 static int wsdisplay_console_attached; 210 static struct wsdisplay_softc *wsdisplay_console_device; 211 static struct wsscreen_internal wsdisplay_console_conf; 212 213 static int wsdisplay_getc_dummy(dev_t); 214 static void wsdisplay_pollc(dev_t, int); 215 216 static int wsdisplay_cons_pollmode; 217 static void (*wsdisplay_cons_kbd_pollc)(dev_t, int); 218 219 static struct consdev wsdisplay_cons = { 220 NULL, NULL, wsdisplay_getc_dummy, wsdisplay_cnputc, 221 wsdisplay_pollc, NULL, NULL, NULL, NODEV, CN_NORMAL 222 }; 223 224 #ifndef WSDISPLAY_DEFAULTSCREENS 225 # define WSDISPLAY_DEFAULTSCREENS 0 226 #endif 227 int wsdisplay_defaultscreens = WSDISPLAY_DEFAULTSCREENS; 228 229 int wsdisplay_switch1(void *, int, int); 230 int wsdisplay_switch2(void *, int, int); 231 int wsdisplay_switch3(void *, int, int); 232 233 int wsdisplay_clearonclose; 234 235 struct wsscreen * 236 wsscreen_attach(struct wsdisplay_softc *sc, int console, const char *emul, 237 const struct wsscreen_descr *type, void *cookie, int ccol, 238 int crow, long defattr) 239 { 240 struct wsscreen_internal *dconf; 241 struct wsscreen *scr; 242 243 scr = malloc(sizeof(struct wsscreen), M_DEVBUF, M_WAITOK); 244 if (!scr) 245 return (NULL); 246 247 if (console) { 248 dconf = &wsdisplay_console_conf; 249 /* 250 * If there's an emulation, tell it about the callback argument. 251 * The other stuff is already there. 252 */ 253 if (dconf->wsemul != NULL) 254 (*dconf->wsemul->attach)(1, 0, 0, 0, 0, scr, 0); 255 } else { /* not console */ 256 dconf = malloc(sizeof(struct wsscreen_internal), 257 M_DEVBUF, M_NOWAIT); 258 dconf->emulops = type->textops; 259 dconf->emulcookie = cookie; 260 if (dconf->emulops) { 261 dconf->wsemul = wsemul_pick(emul); 262 if (dconf->wsemul == NULL) { 263 free(dconf, M_DEVBUF); 264 free(scr, M_DEVBUF); 265 return (NULL); 266 } 267 dconf->wsemulcookie = 268 (*dconf->wsemul->attach)(0, type, cookie, 269 ccol, crow, scr, defattr); 270 } else 271 dconf->wsemul = NULL; 272 dconf->scrdata = type; 273 } 274 275 scr->scr_dconf = dconf; 276 277 scr->scr_tty = ttymalloc(); 278 tty_attach(scr->scr_tty); 279 scr->scr_hold_screen = 0; 280 if (WSSCREEN_HAS_EMULATOR(scr)) 281 scr->scr_flags = 0; 282 else 283 scr->scr_flags = SCR_GRAPHICS; 284 285 scr->scr_syncops = 0; 286 scr->sc = sc; 287 #ifdef WSDISPLAY_COMPAT_RAWKBD 288 scr->scr_rawkbd = 0; 289 #endif 290 return (scr); 291 } 292 293 void 294 wsscreen_detach(struct wsscreen *scr) 295 { 296 u_int ccol, crow; /* XXX */ 297 298 if (WSSCREEN_HAS_TTY(scr)) { 299 tty_detach(scr->scr_tty); 300 ttyfree(scr->scr_tty); 301 } 302 if (WSSCREEN_HAS_EMULATOR(scr)) 303 (*scr->scr_dconf->wsemul->detach)(scr->scr_dconf->wsemulcookie, 304 &ccol, &crow); 305 free(scr->scr_dconf, M_DEVBUF); 306 free(scr, M_DEVBUF); 307 } 308 309 const struct wsscreen_descr * 310 wsdisplay_screentype_pick(const struct wsscreen_list *scrdata, const char *name) 311 { 312 int i; 313 const struct wsscreen_descr *scr; 314 315 KASSERT(scrdata->nscreens > 0); 316 317 if (name == NULL) 318 return (scrdata->screens[0]); 319 320 for (i = 0; i < scrdata->nscreens; i++) { 321 scr = scrdata->screens[i]; 322 if (!strcmp(name, scr->name)) 323 return (scr); 324 } 325 326 return (0); 327 } 328 329 /* 330 * print info about attached screen 331 */ 332 static void 333 wsdisplay_addscreen_print(struct wsdisplay_softc *sc, int idx, int count) 334 { 335 printf("%s: screen %d", sc->sc_dv.dv_xname, idx); 336 if (count > 1) 337 printf("-%d", idx + (count-1)); 338 printf(" added (%s", sc->sc_scr[idx]->scr_dconf->scrdata->name); 339 if (WSSCREEN_HAS_EMULATOR(sc->sc_scr[idx])) { 340 printf(", %s emulation", 341 sc->sc_scr[idx]->scr_dconf->wsemul->name); 342 } 343 printf(")\n"); 344 } 345 346 int 347 wsdisplay_addscreen(struct wsdisplay_softc *sc, int idx, 348 const char *screentype, const char *emul) 349 { 350 const struct wsscreen_descr *scrdesc; 351 int error; 352 void *cookie; 353 int ccol, crow; 354 long defattr; 355 struct wsscreen *scr; 356 int s; 357 358 if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN) 359 return (EINVAL); 360 if (sc->sc_scr[idx] != NULL) 361 return (EBUSY); 362 363 scrdesc = wsdisplay_screentype_pick(sc->sc_scrdata, screentype); 364 if (!scrdesc) 365 return (ENXIO); 366 error = (*sc->sc_accessops->alloc_screen)(sc->sc_accesscookie, 367 scrdesc, &cookie, &ccol, &crow, &defattr); 368 if (error) 369 return (error); 370 371 scr = wsscreen_attach(sc, 0, emul, scrdesc, 372 cookie, ccol, crow, defattr); 373 if (scr == NULL) { 374 (*sc->sc_accessops->free_screen)(sc->sc_accesscookie, 375 cookie); 376 return (ENXIO); 377 } 378 379 sc->sc_scr[idx] = scr; 380 381 /* if no screen has focus yet, activate the first we get */ 382 s = spltty(); 383 if (!sc->sc_focus) { 384 (*sc->sc_accessops->show_screen)(sc->sc_accesscookie, 385 scr->scr_dconf->emulcookie, 386 0, 0, 0); 387 sc->sc_focusidx = idx; 388 sc->sc_focus = scr; 389 } 390 splx(s); 391 return (0); 392 } 393 394 static void 395 wsdisplay_closescreen(struct wsdisplay_softc *sc, struct wsscreen *scr) 396 { 397 int maj, mn, idx; 398 399 /* hangup */ 400 if (WSSCREEN_HAS_TTY(scr)) { 401 struct tty *tp = scr->scr_tty; 402 (*tp->t_linesw->l_modem)(tp, 0); 403 } 404 405 /* locate the major number */ 406 maj = cdevsw_lookup_major(&wsdisplay_cdevsw); 407 /* locate the screen index */ 408 for (idx = 0; idx < WSDISPLAY_MAXSCREEN; idx++) 409 if (scr == sc->sc_scr[idx]) 410 break; 411 #ifdef DIAGNOSTIC 412 if (idx == WSDISPLAY_MAXSCREEN) 413 panic("wsdisplay_forceclose: bad screen"); 414 #endif 415 416 /* nuke the vnodes */ 417 mn = WSDISPLAYMINOR(device_unit(&sc->sc_dv), idx); 418 vdevgone(maj, mn, mn, VCHR); 419 } 420 421 #ifdef WSDISPLAY_SCROLLSUPPORT 422 void 423 wsdisplay_scroll(void *arg, int op) 424 { 425 struct wsdisplay_softc *sc = arg; 426 int lines; 427 428 if (op == WSDISPLAY_SCROLL_RESET) 429 lines = 0; 430 else { 431 lines = (op & WSDISPLAY_SCROLL_LOW) ? 432 sc->sc_scroll_values.slowlines : 433 sc->sc_scroll_values.fastlines; 434 if (op & WSDISPLAY_SCROLL_BACKWARD) 435 lines = -(lines); 436 } 437 438 if (sc->sc_accessops->scroll) { 439 (*sc->sc_accessops->scroll)(sc->sc_accesscookie, 440 sc->sc_focus->scr_dconf->emulcookie, lines); 441 } 442 } 443 #endif 444 445 int 446 wsdisplay_delscreen(struct wsdisplay_softc *sc, int idx, int flags) 447 { 448 struct wsscreen *scr; 449 int s; 450 void *cookie; 451 452 if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN) 453 return (EINVAL); 454 if ((scr = sc->sc_scr[idx]) == NULL) 455 return (ENXIO); 456 457 if (scr->scr_dconf == &wsdisplay_console_conf || 458 scr->scr_syncops || 459 ((scr->scr_flags & SCR_OPEN) && !(flags & WSDISPLAY_DELSCR_FORCE))) 460 return(EBUSY); 461 462 wsdisplay_closescreen(sc, scr); 463 464 /* 465 * delete pointers, so neither device entries 466 * nor keyboard input can reference it anymore 467 */ 468 s = spltty(); 469 if (sc->sc_focus == scr) { 470 sc->sc_focus = 0; 471 #ifdef WSDISPLAY_COMPAT_RAWKBD 472 wsdisplay_update_rawkbd(sc, 0); 473 #endif 474 } 475 sc->sc_scr[idx] = 0; 476 splx(s); 477 478 /* 479 * Wake up processes waiting for the screen to 480 * be activated. Sleepers must check whether 481 * the screen still exists. 482 */ 483 if (scr->scr_flags & SCR_WAITACTIVE) 484 wakeup(scr); 485 486 /* save a reference to the graphics screen */ 487 cookie = scr->scr_dconf->emulcookie; 488 489 wsscreen_detach(scr); 490 491 (*sc->sc_accessops->free_screen)(sc->sc_accesscookie, 492 cookie); 493 494 printf("%s: screen %d deleted\n", sc->sc_dv.dv_xname, idx); 495 return (0); 496 } 497 498 /* 499 * Autoconfiguration functions. 500 */ 501 int 502 wsdisplay_emul_match(struct device *parent, struct cfdata *match, void *aux) 503 { 504 struct wsemuldisplaydev_attach_args *ap = aux; 505 506 if (match->wsemuldisplaydevcf_console != 507 WSEMULDISPLAYDEVCF_CONSOLE_UNK) { 508 /* 509 * If console-ness of device specified, either match 510 * exactly (at high priority), or fail. 511 */ 512 if (match->wsemuldisplaydevcf_console != 0 && 513 ap->console != 0) 514 return (10); 515 else 516 return (0); 517 } 518 519 /* If console-ness unspecified, it wins. */ 520 return (1); 521 } 522 523 void 524 wsdisplay_emul_attach(struct device *parent, struct device *self, void *aux) 525 { 526 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)self; 527 struct wsemuldisplaydev_attach_args *ap = aux; 528 529 /* Don't allow more than one console to attach */ 530 if (wsdisplay_console_attached && ap->console) 531 ap->console = 0; 532 533 wsdisplay_common_attach(sc, ap->console, 534 device_cfdata(&sc->sc_dv)->wsemuldisplaydevcf_kbdmux, ap->scrdata, 535 ap->accessops, ap->accesscookie); 536 537 if (ap->console) { 538 int maj; 539 540 /* locate the major number */ 541 maj = cdevsw_lookup_major(&wsdisplay_cdevsw); 542 543 cn_tab->cn_dev = makedev(maj, WSDISPLAYMINOR(device_unit(self), 544 0)); 545 } 546 } 547 548 /* Print function (for parent devices). */ 549 int 550 wsemuldisplaydevprint(void *aux, const char *pnp) 551 { 552 #if 0 /* -Wunused */ 553 struct wsemuldisplaydev_attach_args *ap = aux; 554 #endif 555 556 if (pnp) 557 aprint_normal("wsdisplay at %s", pnp); 558 #if 0 /* don't bother; it's ugly */ 559 aprint_normal(" console %d", ap->console); 560 #endif 561 562 return (UNCONF); 563 } 564 565 int 566 wsdisplay_noemul_match(struct device *parent, struct cfdata *match, void *aux) 567 { 568 #if 0 /* -Wunused */ 569 struct wsdisplaydev_attach_args *ap = aux; 570 #endif 571 572 /* Always match. */ 573 return (1); 574 } 575 576 void 577 wsdisplay_noemul_attach(struct device *parent, struct device *self, void *aux) 578 { 579 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)self; 580 struct wsdisplaydev_attach_args *ap = aux; 581 582 wsdisplay_common_attach(sc, 0, 583 device_cfdata(&sc->sc_dv)->wsemuldisplaydevcf_kbdmux, NULL, 584 ap->accessops, ap->accesscookie); 585 } 586 587 /* Print function (for parent devices). */ 588 int 589 wsdisplaydevprint(void *aux, const char *pnp) 590 { 591 #if 0 /* -Wunused */ 592 struct wsdisplaydev_attach_args *ap = aux; 593 #endif 594 595 if (pnp) 596 aprint_normal("wsdisplay at %s", pnp); 597 598 return (UNCONF); 599 } 600 601 static void 602 wsdisplay_common_attach(struct wsdisplay_softc *sc, int console, int kbdmux, 603 const struct wsscreen_list *scrdata, 604 const struct wsdisplay_accessops *accessops, 605 void *accesscookie) 606 { 607 static int hookset; 608 int i, start=0; 609 #if NWSKBD > 0 610 struct wsevsrc *kme; 611 #if NWSMUX > 0 612 struct wsmux_softc *mux; 613 614 if (kbdmux >= 0) 615 mux = wsmux_getmux(kbdmux); 616 else 617 mux = wsmux_create("dmux", device_unit(&sc->sc_dv)); 618 /* XXX panic()ing isn't nice, but attach cannot fail */ 619 if (mux == NULL) 620 panic("wsdisplay_common_attach: no memory"); 621 sc->sc_input = &mux->sc_base; 622 mux->sc_base.me_dispdv = &sc->sc_dv; 623 printf(" kbdmux %d", kbdmux); 624 #else 625 if (kbdmux >= 0) 626 printf(" (kbdmux ignored)"); 627 #endif 628 #endif 629 630 sc->sc_isconsole = console; 631 632 if (console) { 633 KASSERT(wsdisplay_console_initted); 634 KASSERT(wsdisplay_console_device == NULL); 635 636 sc->sc_scr[0] = wsscreen_attach(sc, 1, 0, 0, 0, 0, 0, 0); 637 wsdisplay_console_device = sc; 638 639 printf(": console (%s, %s emulation)", 640 wsdisplay_console_conf.scrdata->name, 641 wsdisplay_console_conf.wsemul->name); 642 643 #if NWSKBD > 0 644 kme = wskbd_set_console_display(&sc->sc_dv, sc->sc_input); 645 if (kme != NULL) 646 printf(", using %s", kme->me_dv.dv_xname); 647 #if NWSMUX == 0 648 sc->sc_input = kme; 649 #endif 650 #endif 651 652 sc->sc_focusidx = 0; 653 sc->sc_focus = sc->sc_scr[0]; 654 start = 1; 655 656 wsdisplay_console_attached = 1; 657 } 658 printf("\n"); 659 660 #if NWSKBD > 0 && NWSMUX > 0 661 wsmux_set_display(mux, &sc->sc_dv); 662 #endif 663 664 sc->sc_accessops = accessops; 665 sc->sc_accesscookie = accesscookie; 666 sc->sc_scrdata = scrdata; 667 668 #ifdef WSDISPLAY_SCROLLSUPPORT 669 sc->sc_scroll_values = wsdisplay_default_scroll_values; 670 #endif 671 672 /* 673 * Set up a number of virtual screens if wanted. The 674 * WSDISPLAYIO_ADDSCREEN ioctl is more flexible, so this code 675 * is for special cases like installation kernels. 676 */ 677 for (i = start; i < wsdisplay_defaultscreens; i++) { 678 if (wsdisplay_addscreen(sc, i, 0, 0)) 679 break; 680 } 681 682 if (i > start) 683 wsdisplay_addscreen_print(sc, start, i-start); 684 685 if (hookset == 0) 686 shutdownhook_establish(wsdisplay_shutdownhook, NULL); 687 hookset = 1; 688 } 689 690 void 691 wsdisplay_cnattach(const struct wsscreen_descr *type, void *cookie, 692 int ccol, int crow, long defattr) 693 { 694 const struct wsemul_ops *wsemul; 695 696 KASSERT(!wsdisplay_console_initted); 697 KASSERT(type->nrows > 0); 698 KASSERT(type->ncols > 0); 699 KASSERT(crow < type->nrows); 700 KASSERT(ccol < type->ncols); 701 702 wsdisplay_console_conf.emulops = type->textops; 703 wsdisplay_console_conf.emulcookie = cookie; 704 wsdisplay_console_conf.scrdata = type; 705 706 wsemul = wsemul_pick(0); /* default */ 707 wsdisplay_console_conf.wsemul = wsemul; 708 wsdisplay_console_conf.wsemulcookie = (*wsemul->cnattach)(type, cookie, 709 ccol, crow, 710 defattr); 711 712 cn_tab = &wsdisplay_cons; 713 wsdisplay_console_initted = 1; 714 } 715 716 /* 717 * Tty and cdevsw functions. 718 */ 719 int 720 wsdisplayopen(dev_t dev, int flag, int mode, struct lwp *l) 721 { 722 struct wsdisplay_softc *sc; 723 struct tty *tp; 724 int newopen, error; 725 struct wsscreen *scr; 726 727 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 728 if (sc == NULL) /* make sure it was attached */ 729 return (ENXIO); 730 731 if (ISWSDISPLAYSTAT(dev)) { 732 wsevent_init(&sc->evar, l->l_proc); 733 return (0); 734 } 735 736 if (ISWSDISPLAYCTL(dev)) 737 return (0); 738 739 if (WSDISPLAYSCREEN(dev) >= WSDISPLAY_MAXSCREEN) 740 return (ENXIO); 741 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 742 return (ENXIO); 743 744 if (WSSCREEN_HAS_TTY(scr)) { 745 tp = scr->scr_tty; 746 tp->t_oproc = wsdisplaystart; 747 tp->t_param = wsdisplayparam; 748 tp->t_dev = dev; 749 newopen = (tp->t_state & TS_ISOPEN) == 0; 750 if (newopen) { 751 ttychars(tp); 752 tp->t_iflag = TTYDEF_IFLAG; 753 tp->t_oflag = TTYDEF_OFLAG; 754 tp->t_cflag = TTYDEF_CFLAG; 755 tp->t_lflag = TTYDEF_LFLAG; 756 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 757 wsdisplayparam(tp, &tp->t_termios); 758 ttsetwater(tp); 759 } else if ((tp->t_state & TS_XCLUDE) != 0 && 760 suser(l->l_proc->p_ucred, &l->l_proc->p_acflag) != 0) 761 return EBUSY; 762 tp->t_state |= TS_CARR_ON; 763 764 error = ((*tp->t_linesw->l_open)(dev, tp)); 765 if (error) 766 return (error); 767 768 if (newopen && WSSCREEN_HAS_EMULATOR(scr)) { 769 /* set window sizes as appropriate, and reset 770 the emulation */ 771 tp->t_winsize.ws_row = scr->scr_dconf->scrdata->nrows; 772 tp->t_winsize.ws_col = scr->scr_dconf->scrdata->ncols; 773 774 /* wsdisplay_set_emulation() */ 775 } 776 } 777 778 scr->scr_flags |= SCR_OPEN; 779 return (0); 780 } 781 782 int 783 wsdisplayclose(dev_t dev, int flag, int mode, struct lwp *l) 784 { 785 struct wsdisplay_softc *sc; 786 struct tty *tp; 787 struct wsscreen *scr; 788 789 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 790 791 if (ISWSDISPLAYSTAT(dev)) { 792 wsevent_fini(&sc->evar); 793 return (0); 794 } 795 796 if (ISWSDISPLAYCTL(dev)) 797 return (0); 798 799 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 800 return (0); 801 802 if (WSSCREEN_HAS_TTY(scr)) { 803 if (scr->scr_hold_screen) { 804 int s; 805 806 /* XXX RESET KEYBOARD LEDS, etc. */ 807 s = spltty(); /* avoid conflict with keyboard */ 808 wsdisplay_kbdholdscreen((struct device *)sc, 0); 809 splx(s); 810 } 811 tp = scr->scr_tty; 812 (*tp->t_linesw->l_close)(tp, flag); 813 ttyclose(tp); 814 } 815 816 if (scr->scr_syncops) 817 (*scr->scr_syncops->destroy)(scr->scr_synccookie); 818 819 if (WSSCREEN_HAS_EMULATOR(scr)) { 820 scr->scr_flags &= ~SCR_GRAPHICS; 821 (*scr->scr_dconf->wsemul->reset)(scr->scr_dconf->wsemulcookie, 822 WSEMUL_RESET); 823 if (wsdisplay_clearonclose) 824 (*scr->scr_dconf->wsemul->reset) 825 (scr->scr_dconf->wsemulcookie, 826 WSEMUL_CLEARSCREEN); 827 } 828 829 #ifdef WSDISPLAY_COMPAT_RAWKBD 830 if (scr->scr_rawkbd) { 831 int kbmode = WSKBD_TRANSLATED; 832 (void)wsdisplay_internal_ioctl(sc, scr, WSKBDIO_SETMODE, 833 (caddr_t)&kbmode, 0, l); 834 } 835 #endif 836 837 scr->scr_flags &= ~SCR_OPEN; 838 839 return (0); 840 } 841 842 int 843 wsdisplayread(dev_t dev, struct uio *uio, int flag) 844 { 845 struct wsdisplay_softc *sc; 846 struct tty *tp; 847 struct wsscreen *scr; 848 int error; 849 850 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 851 852 if (ISWSDISPLAYSTAT(dev)) { 853 error = wsevent_read(&sc->evar, uio, flag); 854 return (error); 855 } 856 857 if (ISWSDISPLAYCTL(dev)) 858 return (0); 859 860 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 861 return (ENXIO); 862 863 if (!WSSCREEN_HAS_TTY(scr)) 864 return (ENODEV); 865 866 tp = scr->scr_tty; 867 return ((*tp->t_linesw->l_read)(tp, uio, flag)); 868 } 869 870 int 871 wsdisplaywrite(dev_t dev, struct uio *uio, int flag) 872 { 873 struct wsdisplay_softc *sc; 874 struct tty *tp; 875 struct wsscreen *scr; 876 877 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 878 879 if (ISWSDISPLAYSTAT(dev)) { 880 return (0); 881 } 882 883 if (ISWSDISPLAYCTL(dev)) 884 return (0); 885 886 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 887 return (ENXIO); 888 889 if (!WSSCREEN_HAS_TTY(scr)) 890 return (ENODEV); 891 892 tp = scr->scr_tty; 893 return ((*tp->t_linesw->l_write)(tp, uio, flag)); 894 } 895 896 int 897 wsdisplaypoll(dev_t dev, int events, struct lwp *l) 898 { 899 struct wsdisplay_softc *sc; 900 struct tty *tp; 901 struct wsscreen *scr; 902 903 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 904 905 if (ISWSDISPLAYSTAT(dev)) 906 return (wsevent_poll(&sc->evar, events, l)); 907 908 if (ISWSDISPLAYCTL(dev)) 909 return (0); 910 911 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 912 return (POLLHUP); 913 914 if (!WSSCREEN_HAS_TTY(scr)) 915 return (POLLERR); 916 917 tp = scr->scr_tty; 918 return ((*tp->t_linesw->l_poll)(tp, events, l)); 919 } 920 921 int 922 wsdisplaykqfilter(dev, kn) 923 dev_t dev; 924 struct knote *kn; 925 { 926 struct wsdisplay_softc *sc = 927 device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 928 struct wsscreen *scr; 929 930 if (ISWSDISPLAYCTL(dev)) 931 return (1); 932 933 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 934 return (1); 935 936 937 if (WSSCREEN_HAS_TTY(scr)) 938 return (ttykqfilter(dev, kn)); 939 else 940 return (1); 941 } 942 943 struct tty * 944 wsdisplaytty(dev_t dev) 945 { 946 struct wsdisplay_softc *sc; 947 struct wsscreen *scr; 948 949 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 950 951 if (ISWSDISPLAYSTAT(dev)) 952 panic("wsdisplaytty() on status device"); 953 954 if (ISWSDISPLAYCTL(dev)) 955 panic("wsdisplaytty() on ctl device"); 956 957 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 958 return NULL; 959 960 return (scr->scr_tty); 961 } 962 963 int 964 wsdisplayioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct lwp *l) 965 { 966 struct wsdisplay_softc *sc; 967 struct tty *tp; 968 int error; 969 struct wsscreen *scr; 970 971 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 972 973 #ifdef WSDISPLAY_COMPAT_USL 974 error = wsdisplay_usl_ioctl1(sc, cmd, data, flag, l); 975 if (error != EPASSTHROUGH) 976 return (error); 977 #endif 978 979 if (ISWSDISPLAYSTAT(dev)) 980 return (wsdisplay_stat_ioctl(sc, cmd, data, flag, l)); 981 982 if (ISWSDISPLAYCTL(dev)) 983 return (wsdisplay_cfg_ioctl(sc, cmd, data, flag, l)); 984 985 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 986 return (ENXIO); 987 988 if (WSSCREEN_HAS_TTY(scr)) { 989 tp = scr->scr_tty; 990 991 /* printf("disc\n"); */ 992 /* do the line discipline ioctls first */ 993 error = (*tp->t_linesw->l_ioctl)(tp, cmd, data, flag, l); 994 if (error != EPASSTHROUGH) 995 return (error); 996 997 /* printf("tty\n"); */ 998 /* then the tty ioctls */ 999 error = ttioctl(tp, cmd, data, flag, l); 1000 if (error != EPASSTHROUGH) 1001 return (error); 1002 } 1003 1004 #ifdef WSDISPLAY_COMPAT_USL 1005 error = wsdisplay_usl_ioctl2(sc, scr, cmd, data, flag, l); 1006 if (error != EPASSTHROUGH) 1007 return (error); 1008 #endif 1009 1010 return (wsdisplay_internal_ioctl(sc, scr, cmd, data, flag, l)); 1011 } 1012 1013 int 1014 wsdisplay_param(struct device *dev, u_long cmd, struct wsdisplay_param *dp) 1015 { 1016 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 1017 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie, cmd, 1018 (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, cmd, data, 1082 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 #ifdef WSDISPLAY_CUSTOM_BORDER 1186 case WSDISPLAYIO_GBORDER: 1187 if (!sc->sc_accessops->getborder) 1188 return (EINVAL); 1189 *(u_int *)data = (*sc->sc_accessops->getborder) 1190 (scr->scr_dconf->emulcookie); 1191 return (0); 1192 case WSDISPLAYIO_SBORDER: 1193 if (!sc->sc_accessops->setborder) 1194 return (EINVAL); 1195 return (*sc->sc_accessops->setborder) 1196 (scr->scr_dconf->emulcookie, (*(u_int *)data)); 1197 #else /* WSDISPLAY_CUSTOM_BORDER */ 1198 case WSDISPLAYIO_GBORDER: 1199 case WSDISPLAYIO_SBORDER: 1200 return (ENODEV); 1201 #endif /* WSDISPLAY_CUSTOM_BORDER */ 1202 1203 } 1204 1205 /* check ioctls for display */ 1206 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie, cmd, data, 1207 flag, l)); 1208 } 1209 1210 int 1211 wsdisplay_stat_ioctl(struct wsdisplay_softc *sc, u_long cmd, caddr_t data, 1212 int flag, struct lwp *l) 1213 { 1214 switch (cmd) { 1215 case WSDISPLAYIO_GETACTIVESCREEN: 1216 *(int*)data = wsdisplay_getactivescreen(sc); 1217 return (0); 1218 } 1219 1220 return (EPASSTHROUGH); 1221 } 1222 1223 int 1224 wsdisplay_cfg_ioctl(struct wsdisplay_softc *sc, u_long cmd, caddr_t data, 1225 int flag, struct lwp *l) 1226 { 1227 int error; 1228 char *type, typebuf[16], *emul, emulbuf[16]; 1229 void *tbuf; 1230 u_int fontsz; 1231 #if defined(COMPAT_14) && NWSKBD > 0 1232 struct wsmux_device wsmuxdata; 1233 #endif 1234 #if NWSKBD > 0 1235 struct wsevsrc *inp; 1236 #endif 1237 1238 switch (cmd) { 1239 case WSDISPLAYIO_ADDSCREEN: 1240 #define d ((struct wsdisplay_addscreendata *)data) 1241 if (d->screentype) { 1242 error = copyinstr(d->screentype, typebuf, 1243 sizeof(typebuf), 0); 1244 if (error) 1245 return (error); 1246 type = typebuf; 1247 } else 1248 type = 0; 1249 if (d->emul) { 1250 error = copyinstr(d->emul, emulbuf, sizeof(emulbuf),0); 1251 if (error) 1252 return (error); 1253 emul = emulbuf; 1254 } else 1255 emul = 0; 1256 1257 if ((error = wsdisplay_addscreen(sc, d->idx, type, emul)) == 0) 1258 wsdisplay_addscreen_print(sc, d->idx, 0); 1259 return (error); 1260 #undef d 1261 case WSDISPLAYIO_DELSCREEN: 1262 #define d ((struct wsdisplay_delscreendata *)data) 1263 return (wsdisplay_delscreen(sc, d->idx, d->flags)); 1264 #undef d 1265 case WSDISPLAYIO_LDFONT: 1266 #define d ((struct wsdisplay_font *)data) 1267 if (!sc->sc_accessops->load_font) 1268 return (EINVAL); 1269 if (d->name) { 1270 error = copyinstr(d->name, typebuf, sizeof(typebuf), 0); 1271 if (error) 1272 return (error); 1273 d->name = typebuf; 1274 } else 1275 d->name = "loaded"; /* ??? */ 1276 fontsz = d->fontheight * d->stride * d->numchars; 1277 if (fontsz > WSDISPLAY_MAXFONTSZ) 1278 return (EINVAL); 1279 1280 tbuf = malloc(fontsz, M_DEVBUF, M_WAITOK); 1281 error = copyin(d->data, tbuf, fontsz); 1282 if (error) { 1283 free(tbuf, M_DEVBUF); 1284 return (error); 1285 } 1286 d->data = tbuf; 1287 error = 1288 (*sc->sc_accessops->load_font)(sc->sc_accesscookie, 0, d); 1289 free(tbuf, M_DEVBUF); 1290 #undef d 1291 return (error); 1292 1293 #if NWSKBD > 0 1294 #ifdef COMPAT_14 1295 case _O_WSDISPLAYIO_SETKEYBOARD: 1296 #define d ((struct wsdisplay_kbddata *)data) 1297 inp = sc->sc_input; 1298 if (inp == NULL) 1299 return (ENXIO); 1300 switch (d->op) { 1301 case _O_WSDISPLAY_KBD_ADD: 1302 if (d->idx == -1) { 1303 d->idx = wskbd_pickfree(); 1304 if (d->idx == -1) 1305 return (ENXIO); 1306 } 1307 wsmuxdata.type = WSMUX_KBD; 1308 wsmuxdata.idx = d->idx; 1309 return (wsevsrc_ioctl(inp, WSMUX_ADD_DEVICE, 1310 &wsmuxdata, flag, l)); 1311 case _O_WSDISPLAY_KBD_DEL: 1312 wsmuxdata.type = WSMUX_KBD; 1313 wsmuxdata.idx = d->idx; 1314 return (wsevsrc_ioctl(inp, WSMUX_REMOVE_DEVICE, 1315 &wsmuxdata, flag, l)); 1316 default: 1317 return (EINVAL); 1318 } 1319 #undef d 1320 #endif 1321 1322 case WSMUXIO_ADD_DEVICE: 1323 #define d ((struct wsmux_device *)data) 1324 if (d->idx == -1 && d->type == WSMUX_KBD) 1325 d->idx = wskbd_pickfree(); 1326 #undef d 1327 /* fall into */ 1328 case WSMUXIO_INJECTEVENT: 1329 case WSMUXIO_REMOVE_DEVICE: 1330 case WSMUXIO_LIST_DEVICES: 1331 inp = sc->sc_input; 1332 if (inp == NULL) 1333 return (ENXIO); 1334 return (wsevsrc_ioctl(inp, cmd, data, flag, l)); 1335 #endif /* NWSKBD > 0 */ 1336 1337 } 1338 return (EPASSTHROUGH); 1339 } 1340 1341 int 1342 wsdisplay_stat_inject(struct device *dev, u_int type, int value) 1343 { 1344 struct wsdisplay_softc *sc = (struct wsdisplay_softc *) dev; 1345 struct wseventvar *evar; 1346 struct wscons_event event; 1347 1348 evar = &sc->evar; 1349 1350 if (evar == NULL) 1351 return (0); 1352 1353 if (evar->q == NULL) 1354 return (1); 1355 1356 event.type = type; 1357 event.value = value; 1358 if (wsevent_inject(evar, &event, 1) != 0) { 1359 log(LOG_WARNING, "wsdisplay: event queue overflow\n"); 1360 return (1); 1361 } 1362 1363 return (0); 1364 } 1365 1366 paddr_t 1367 wsdisplaymmap(dev_t dev, off_t offset, int prot) 1368 { 1369 struct wsdisplay_softc *sc = 1370 device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 1371 struct wsscreen *scr; 1372 1373 if (ISWSDISPLAYSTAT(dev)) 1374 return (-1); 1375 1376 if (ISWSDISPLAYCTL(dev)) 1377 return (-1); 1378 1379 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 1380 return (-1); 1381 1382 if (!(scr->scr_flags & SCR_GRAPHICS)) 1383 return (-1); 1384 1385 /* pass mmap to display */ 1386 return ((*sc->sc_accessops->mmap)(sc->sc_accesscookie, offset, prot)); 1387 } 1388 1389 void 1390 wsdisplaystart(struct tty *tp) 1391 { 1392 struct wsdisplay_softc *sc; 1393 struct wsscreen *scr; 1394 int s, n; 1395 u_char *tbuf; 1396 1397 s = spltty(); 1398 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) { 1399 splx(s); 1400 return; 1401 } 1402 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(tp->t_dev)); 1403 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(tp->t_dev)]) == NULL) { 1404 splx(s); 1405 return; 1406 } 1407 1408 if (scr->scr_hold_screen) { 1409 tp->t_state |= TS_TIMEOUT; 1410 splx(s); 1411 return; 1412 } 1413 tp->t_state |= TS_BUSY; 1414 splx(s); 1415 1416 /* 1417 * Drain output from ring buffer. 1418 * The output will normally be in one contiguous chunk, but when the 1419 * ring wraps, it will be in two pieces.. one at the end of the ring, 1420 * the other at the start. For performance, rather than loop here, 1421 * we output one chunk, see if there's another one, and if so, output 1422 * it too. 1423 */ 1424 1425 n = ndqb(&tp->t_outq, 0); 1426 tbuf = tp->t_outq.c_cf; 1427 1428 if (!(scr->scr_flags & SCR_GRAPHICS)) { 1429 KASSERT(WSSCREEN_HAS_EMULATOR(scr)); 1430 (*scr->scr_dconf->wsemul->output)(scr->scr_dconf->wsemulcookie, 1431 tbuf, n, 0); 1432 } 1433 ndflush(&tp->t_outq, n); 1434 1435 if ((n = ndqb(&tp->t_outq, 0)) > 0) { 1436 tbuf = tp->t_outq.c_cf; 1437 1438 if (!(scr->scr_flags & SCR_GRAPHICS)) { 1439 KASSERT(WSSCREEN_HAS_EMULATOR(scr)); 1440 (*scr->scr_dconf->wsemul->output) 1441 (scr->scr_dconf->wsemulcookie, tbuf, n, 0); 1442 } 1443 ndflush(&tp->t_outq, n); 1444 } 1445 1446 s = spltty(); 1447 tp->t_state &= ~TS_BUSY; 1448 /* Come back if there's more to do */ 1449 if (tp->t_outq.c_cc) { 1450 tp->t_state |= TS_TIMEOUT; 1451 callout_reset(&tp->t_rstrt_ch, (hz > 128) ? (hz / 128) : 1, 1452 ttrstrt, tp); 1453 } 1454 if (tp->t_outq.c_cc <= tp->t_lowat) { 1455 if (tp->t_state&TS_ASLEEP) { 1456 tp->t_state &= ~TS_ASLEEP; 1457 wakeup(&tp->t_outq); 1458 } 1459 selwakeup(&tp->t_wsel); 1460 } 1461 splx(s); 1462 } 1463 1464 void 1465 wsdisplaystop(struct tty *tp, int flag) 1466 { 1467 int s; 1468 1469 s = spltty(); 1470 if (ISSET(tp->t_state, TS_BUSY)) 1471 if (!ISSET(tp->t_state, TS_TTSTOP)) 1472 SET(tp->t_state, TS_FLUSH); 1473 splx(s); 1474 } 1475 1476 /* Set line parameters. */ 1477 int 1478 wsdisplayparam(struct tty *tp, struct termios *t) 1479 { 1480 1481 tp->t_ispeed = t->c_ispeed; 1482 tp->t_ospeed = t->c_ospeed; 1483 tp->t_cflag = t->c_cflag; 1484 return 0; 1485 } 1486 1487 /* 1488 * Callbacks for the emulation code. 1489 */ 1490 void 1491 wsdisplay_emulbell(void *v) 1492 { 1493 struct wsscreen *scr = v; 1494 1495 if (scr == NULL) /* console, before real attach */ 1496 return; 1497 1498 if (scr->scr_flags & SCR_GRAPHICS) /* can this happen? */ 1499 return; 1500 1501 (void) wsdisplay_internal_ioctl(scr->sc, scr, WSKBDIO_BELL, NULL, 1502 FWRITE, NULL); 1503 } 1504 1505 void 1506 wsdisplay_emulinput(void *v, const u_char *data, u_int count) 1507 { 1508 struct wsscreen *scr = v; 1509 struct tty *tp; 1510 1511 if (v == NULL) /* console, before real attach */ 1512 return; 1513 1514 if (scr->scr_flags & SCR_GRAPHICS) /* XXX can't happen */ 1515 return; 1516 if (!WSSCREEN_HAS_TTY(scr)) 1517 return; 1518 1519 tp = scr->scr_tty; 1520 while (count-- > 0) 1521 (*tp->t_linesw->l_rint)(*data++, tp); 1522 } 1523 1524 /* 1525 * Calls from the keyboard interface. 1526 */ 1527 void 1528 wsdisplay_kbdinput(struct device *dev, keysym_t ks) 1529 { 1530 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 1531 struct wsscreen *scr; 1532 const char *dp; 1533 int count; 1534 struct tty *tp; 1535 1536 KASSERT(sc != NULL); 1537 1538 scr = sc->sc_focus; 1539 1540 if (!scr || !WSSCREEN_HAS_TTY(scr)) 1541 return; 1542 1543 tp = scr->scr_tty; 1544 1545 if (KS_GROUP(ks) == KS_GROUP_Ascii) 1546 (*tp->t_linesw->l_rint)(KS_VALUE(ks), tp); 1547 else if (WSSCREEN_HAS_EMULATOR(scr)) { 1548 count = (*scr->scr_dconf->wsemul->translate) 1549 (scr->scr_dconf->wsemulcookie, ks, &dp); 1550 while (count-- > 0) 1551 (*tp->t_linesw->l_rint)(*dp++, tp); 1552 } 1553 } 1554 1555 #if defined(WSDISPLAY_COMPAT_RAWKBD) 1556 int 1557 wsdisplay_update_rawkbd(struct wsdisplay_softc *sc, struct wsscreen *scr) 1558 { 1559 #if NWSKBD > 0 1560 int s, raw, data, error; 1561 struct wsevsrc *inp; 1562 1563 s = spltty(); 1564 1565 raw = (scr ? scr->scr_rawkbd : 0); 1566 1567 if (scr != sc->sc_focus || 1568 sc->sc_rawkbd == raw) { 1569 splx(s); 1570 return (0); 1571 } 1572 1573 data = raw ? WSKBD_RAW : WSKBD_TRANSLATED; 1574 inp = sc->sc_input; 1575 if (inp == NULL) 1576 return (ENXIO); 1577 error = wsevsrc_display_ioctl(inp, WSKBDIO_SETMODE, &data, 0, 0); 1578 if (!error) 1579 sc->sc_rawkbd = raw; 1580 splx(s); 1581 return (error); 1582 #else 1583 return (0); 1584 #endif 1585 } 1586 #endif 1587 1588 int 1589 wsdisplay_switch3(void *arg, int error, int waitok) 1590 { 1591 struct wsdisplay_softc *sc = arg; 1592 int no; 1593 struct wsscreen *scr; 1594 1595 if (!(sc->sc_flags & SC_SWITCHPENDING)) { 1596 printf("wsdisplay_switch3: not switching\n"); 1597 return (EINVAL); 1598 } 1599 1600 no = sc->sc_screenwanted; 1601 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1602 panic("wsdisplay_switch3: invalid screen %d", no); 1603 scr = sc->sc_scr[no]; 1604 if (!scr) { 1605 printf("wsdisplay_switch3: screen %d disappeared\n", no); 1606 error = ENXIO; 1607 } 1608 1609 if (error) { 1610 /* try to recover, avoid recursion */ 1611 1612 if (sc->sc_oldscreen == WSDISPLAY_NULLSCREEN) { 1613 printf("wsdisplay_switch3: giving up\n"); 1614 sc->sc_focus = 0; 1615 #ifdef WSDISPLAY_COMPAT_RAWKBD 1616 wsdisplay_update_rawkbd(sc, 0); 1617 #endif 1618 sc->sc_flags &= ~SC_SWITCHPENDING; 1619 return (error); 1620 } 1621 1622 sc->sc_screenwanted = sc->sc_oldscreen; 1623 sc->sc_oldscreen = WSDISPLAY_NULLSCREEN; 1624 return (wsdisplay_switch1(arg, 0, waitok)); 1625 } 1626 1627 sc->sc_flags &= ~SC_SWITCHPENDING; 1628 1629 if (!error && (scr->scr_flags & SCR_WAITACTIVE)) 1630 wakeup(scr); 1631 return (error); 1632 } 1633 1634 int 1635 wsdisplay_switch2(void *arg, int error, int waitok) 1636 { 1637 struct wsdisplay_softc *sc = arg; 1638 int no; 1639 struct wsscreen *scr; 1640 1641 if (!(sc->sc_flags & SC_SWITCHPENDING)) { 1642 printf("wsdisplay_switch2: not switching\n"); 1643 return (EINVAL); 1644 } 1645 1646 no = sc->sc_screenwanted; 1647 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1648 panic("wsdisplay_switch2: invalid screen %d", no); 1649 scr = sc->sc_scr[no]; 1650 if (!scr) { 1651 printf("wsdisplay_switch2: screen %d disappeared\n", no); 1652 error = ENXIO; 1653 } 1654 1655 if (error) { 1656 /* try to recover, avoid recursion */ 1657 1658 if (sc->sc_oldscreen == WSDISPLAY_NULLSCREEN) { 1659 printf("wsdisplay_switch2: giving up\n"); 1660 sc->sc_focus = 0; 1661 sc->sc_flags &= ~SC_SWITCHPENDING; 1662 return (error); 1663 } 1664 1665 sc->sc_screenwanted = sc->sc_oldscreen; 1666 sc->sc_oldscreen = WSDISPLAY_NULLSCREEN; 1667 return (wsdisplay_switch1(arg, 0, waitok)); 1668 } 1669 1670 sc->sc_focusidx = no; 1671 sc->sc_focus = scr; 1672 1673 #ifdef WSDISPLAY_COMPAT_RAWKBD 1674 (void) wsdisplay_update_rawkbd(sc, scr); 1675 #endif 1676 /* keyboard map??? */ 1677 1678 #define wsswitch_cb3 ((void (*)(void *, int, int))wsdisplay_switch3) 1679 if (scr->scr_syncops) { 1680 error = (*scr->scr_syncops->attach)(scr->scr_synccookie, waitok, 1681 sc->sc_isconsole && wsdisplay_cons_pollmode ? 0 : wsswitch_cb3, sc); 1682 if (error == EAGAIN) { 1683 /* switch will be done asynchronously */ 1684 return (0); 1685 } 1686 } 1687 1688 return (wsdisplay_switch3(sc, error, waitok)); 1689 } 1690 1691 int 1692 wsdisplay_switch1(void *arg, int error, int waitok) 1693 { 1694 struct wsdisplay_softc *sc = arg; 1695 int no; 1696 struct wsscreen *scr; 1697 1698 if (!(sc->sc_flags & SC_SWITCHPENDING)) { 1699 printf("wsdisplay_switch1: not switching\n"); 1700 return (EINVAL); 1701 } 1702 1703 no = sc->sc_screenwanted; 1704 if (no == WSDISPLAY_NULLSCREEN) { 1705 sc->sc_flags &= ~SC_SWITCHPENDING; 1706 if (!error) { 1707 sc->sc_focus = 0; 1708 } 1709 wakeup(sc); 1710 return (error); 1711 } 1712 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1713 panic("wsdisplay_switch1: invalid screen %d", no); 1714 scr = sc->sc_scr[no]; 1715 if (!scr) { 1716 printf("wsdisplay_switch1: screen %d disappeared\n", no); 1717 error = ENXIO; 1718 } 1719 1720 if (error) { 1721 sc->sc_flags &= ~SC_SWITCHPENDING; 1722 return (error); 1723 } 1724 1725 #define wsswitch_cb2 ((void (*)(void *, int, int))wsdisplay_switch2) 1726 error = (*sc->sc_accessops->show_screen)(sc->sc_accesscookie, 1727 scr->scr_dconf->emulcookie, 1728 waitok, 1729 sc->sc_isconsole && wsdisplay_cons_pollmode ? 0 : wsswitch_cb2, sc); 1730 if (error == EAGAIN) { 1731 /* switch will be done asynchronously */ 1732 return (0); 1733 } 1734 1735 return (wsdisplay_switch2(sc, error, waitok)); 1736 } 1737 1738 int 1739 wsdisplay_switch(struct device *dev, int no, int waitok) 1740 { 1741 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 1742 int s, res = 0; 1743 struct wsscreen *scr; 1744 1745 if (no != WSDISPLAY_NULLSCREEN) { 1746 if ((no < 0 || no >= WSDISPLAY_MAXSCREEN)) 1747 return (EINVAL); 1748 if (sc->sc_scr[no] == NULL) 1749 return (ENXIO); 1750 } 1751 1752 wsdisplay_stat_inject(dev, WSCONS_EVENT_SCREEN_SWITCH, no); 1753 1754 s = spltty(); 1755 1756 if ((sc->sc_focus && no == sc->sc_focusidx) || 1757 (sc->sc_focus == NULL && no == WSDISPLAY_NULLSCREEN)) { 1758 splx(s); 1759 return (0); 1760 } 1761 1762 if (sc->sc_flags & SC_SWITCHPENDING) { 1763 splx(s); 1764 return (EBUSY); 1765 } 1766 1767 sc->sc_flags |= SC_SWITCHPENDING; 1768 sc->sc_screenwanted = no; 1769 1770 splx(s); 1771 1772 scr = sc->sc_focus; 1773 if (!scr) { 1774 sc->sc_oldscreen = WSDISPLAY_NULLSCREEN; 1775 return (wsdisplay_switch1(sc, 0, waitok)); 1776 } else 1777 sc->sc_oldscreen = sc->sc_focusidx; 1778 1779 #define wsswitch_cb1 ((void (*)(void *, int, int))wsdisplay_switch1) 1780 if (scr->scr_syncops) { 1781 res = (*scr->scr_syncops->detach)(scr->scr_synccookie, waitok, 1782 sc->sc_isconsole && wsdisplay_cons_pollmode ? 0 : wsswitch_cb1, sc); 1783 if (res == EAGAIN) { 1784 /* switch will be done asynchronously */ 1785 return (0); 1786 } 1787 } else if (scr->scr_flags & SCR_GRAPHICS) { 1788 /* no way to save state */ 1789 res = EBUSY; 1790 } 1791 1792 return (wsdisplay_switch1(sc, res, waitok)); 1793 } 1794 1795 void 1796 wsdisplay_reset(struct device *dev, enum wsdisplay_resetops op) 1797 { 1798 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 1799 struct wsscreen *scr; 1800 1801 KASSERT(sc != NULL); 1802 scr = sc->sc_focus; 1803 1804 if (!scr) 1805 return; 1806 1807 switch (op) { 1808 case WSDISPLAY_RESETEMUL: 1809 if (!WSSCREEN_HAS_EMULATOR(scr)) 1810 break; 1811 (*scr->scr_dconf->wsemul->reset)(scr->scr_dconf->wsemulcookie, 1812 WSEMUL_RESET); 1813 break; 1814 case WSDISPLAY_RESETCLOSE: 1815 wsdisplay_closescreen(sc, scr); 1816 break; 1817 } 1818 } 1819 1820 /* 1821 * Interface for (external) VT switch / process synchronization code 1822 */ 1823 int 1824 wsscreen_attach_sync(struct wsscreen *scr, const struct wscons_syncops *ops, 1825 void *cookie) 1826 { 1827 if (scr->scr_syncops) { 1828 /* 1829 * The screen is already claimed. 1830 * Check if the owner is still alive. 1831 */ 1832 if ((*scr->scr_syncops->check)(scr->scr_synccookie)) 1833 return (EBUSY); 1834 } 1835 scr->scr_syncops = ops; 1836 scr->scr_synccookie = cookie; 1837 return (0); 1838 } 1839 1840 int 1841 wsscreen_detach_sync(struct wsscreen *scr) 1842 { 1843 if (!scr->scr_syncops) 1844 return (EINVAL); 1845 scr->scr_syncops = 0; 1846 return (0); 1847 } 1848 1849 int 1850 wsscreen_lookup_sync(struct wsscreen *scr, 1851 const struct wscons_syncops *ops, /* used as ID */ 1852 void **cookiep) 1853 { 1854 if (!scr->scr_syncops || ops != scr->scr_syncops) 1855 return (EINVAL); 1856 *cookiep = scr->scr_synccookie; 1857 return (0); 1858 } 1859 1860 /* 1861 * Interface to virtual screen stuff 1862 */ 1863 int 1864 wsdisplay_maxscreenidx(struct wsdisplay_softc *sc) 1865 { 1866 return (WSDISPLAY_MAXSCREEN - 1); 1867 } 1868 1869 int 1870 wsdisplay_screenstate(struct wsdisplay_softc *sc, int idx) 1871 { 1872 if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN) 1873 return (EINVAL); 1874 if (!sc->sc_scr[idx]) 1875 return (ENXIO); 1876 return ((sc->sc_scr[idx]->scr_flags & SCR_OPEN) ? EBUSY : 0); 1877 } 1878 1879 int 1880 wsdisplay_getactivescreen(struct wsdisplay_softc *sc) 1881 { 1882 return (sc->sc_focus ? sc->sc_focusidx : WSDISPLAY_NULLSCREEN); 1883 } 1884 1885 int 1886 wsscreen_switchwait(struct wsdisplay_softc *sc, int no) 1887 { 1888 struct wsscreen *scr; 1889 int s, res = 0; 1890 1891 if (no == WSDISPLAY_NULLSCREEN) { 1892 s = spltty(); 1893 while (sc->sc_focus && res == 0) { 1894 res = tsleep(sc, PCATCH, "wswait", 0); 1895 } 1896 splx(s); 1897 return (res); 1898 } 1899 1900 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1901 return (ENXIO); 1902 scr = sc->sc_scr[no]; 1903 if (!scr) 1904 return (ENXIO); 1905 1906 s = spltty(); 1907 if (scr != sc->sc_focus) { 1908 scr->scr_flags |= SCR_WAITACTIVE; 1909 res = tsleep(scr, PCATCH, "wswait", 0); 1910 if (scr != sc->sc_scr[no]) 1911 res = ENXIO; /* disappeared in the meantime */ 1912 else 1913 scr->scr_flags &= ~SCR_WAITACTIVE; 1914 } 1915 splx(s); 1916 return (res); 1917 } 1918 1919 void 1920 wsdisplay_kbdholdscreen(struct device *dev, int hold) 1921 { 1922 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 1923 struct wsscreen *scr; 1924 1925 scr = sc->sc_focus; 1926 1927 if (hold) 1928 scr->scr_hold_screen = 1; 1929 else { 1930 scr->scr_hold_screen = 0; 1931 callout_reset(&scr->scr_tty->t_rstrt_ch, 0, 1932 ttrstrt, scr->scr_tty); /* "immediate" */ 1933 } 1934 } 1935 1936 #if NWSKBD > 0 1937 void 1938 wsdisplay_set_console_kbd(struct wsevsrc *src) 1939 { 1940 if (wsdisplay_console_device == NULL) { 1941 src->me_dispdv = NULL; 1942 return; 1943 } 1944 #if NWSMUX > 0 1945 if (wsmux_attach_sc((struct wsmux_softc *) 1946 wsdisplay_console_device->sc_input, src)) { 1947 src->me_dispdv = NULL; 1948 return; 1949 } 1950 #else 1951 wsdisplay_console_device->sc_input = src; 1952 #endif 1953 src->me_dispdv = &wsdisplay_console_device->sc_dv; 1954 } 1955 #endif /* NWSKBD > 0 */ 1956 1957 /* 1958 * Console interface. 1959 */ 1960 void 1961 wsdisplay_cnputc(dev_t dev, int i) 1962 { 1963 struct wsscreen_internal *dc; 1964 u_char c = i; 1965 1966 if (!wsdisplay_console_initted) 1967 return; 1968 1969 if ((wsdisplay_console_device != NULL) && 1970 (wsdisplay_console_device->sc_scr[0] != NULL) && 1971 (wsdisplay_console_device->sc_scr[0]->scr_flags & SCR_GRAPHICS)) 1972 return; 1973 1974 dc = &wsdisplay_console_conf; 1975 (*dc->wsemul->output)(dc->wsemulcookie, &c, 1, 1); 1976 } 1977 1978 static int 1979 wsdisplay_getc_dummy(dev_t dev) 1980 { 1981 /* panic? */ 1982 return (0); 1983 } 1984 1985 static void 1986 wsdisplay_pollc(dev_t dev, int on) 1987 { 1988 1989 wsdisplay_cons_pollmode = on; 1990 1991 /* notify to fb drivers */ 1992 if (wsdisplay_console_device != NULL && 1993 wsdisplay_console_device->sc_accessops->pollc != NULL) 1994 (*wsdisplay_console_device->sc_accessops->pollc) 1995 (wsdisplay_console_device->sc_accesscookie, on); 1996 1997 /* notify to kbd drivers */ 1998 if (wsdisplay_cons_kbd_pollc) 1999 (*wsdisplay_cons_kbd_pollc)(NODEV, on); 2000 } 2001 2002 void 2003 wsdisplay_set_cons_kbd(int (*get)(dev_t), void (*poll)(dev_t, int), 2004 void (*bell)(dev_t, u_int, u_int, u_int)) 2005 { 2006 wsdisplay_cons.cn_getc = get; 2007 wsdisplay_cons.cn_bell = bell; 2008 wsdisplay_cons_kbd_pollc = poll; 2009 } 2010 2011 void 2012 wsdisplay_unset_cons_kbd(void) 2013 { 2014 wsdisplay_cons.cn_getc = wsdisplay_getc_dummy; 2015 wsdisplay_cons.cn_bell = NULL; 2016 wsdisplay_cons_kbd_pollc = 0; 2017 } 2018 2019 /* 2020 * Switch the console display to it's first screen. 2021 */ 2022 void 2023 wsdisplay_switchtoconsole(void) 2024 { 2025 struct wsdisplay_softc *sc; 2026 struct wsscreen *scr; 2027 2028 if (wsdisplay_console_device != NULL) { 2029 sc = wsdisplay_console_device; 2030 if ((scr = sc->sc_scr[0]) == NULL) 2031 return; 2032 (*sc->sc_accessops->show_screen)(sc->sc_accesscookie, 2033 scr->scr_dconf->emulcookie, 2034 0, NULL, NULL); 2035 } 2036 } 2037 2038 /* 2039 * Switch the console at shutdown. 2040 */ 2041 static void 2042 wsdisplay_shutdownhook(void *arg) 2043 { 2044 2045 wsdisplay_switchtoconsole(); 2046 } 2047
Indexes created Wed Oct 15 16:09:53 GMT 2025