wsdisplay.c revision 1.108.2.1
1 /* $NetBSD: wsdisplay.c,v 1.108.2.1 2007/10/23 20:09:59 ad 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 1.108.2.1 2007/10/23 20:09:59 ad Exp $"); 35 36 #include "opt_wsdisplay_compat.h" 37 #include "opt_wsmsgattrs.h" 38 #include "opt_compat_netbsd.h" 39 #include "wskbd.h" 40 #include "wsmux.h" 41 #include "wsdisplay.h" 42 43 #include <sys/param.h> 44 #include <sys/conf.h> 45 #include <sys/device.h> 46 #include <sys/ioctl.h> 47 #include <sys/poll.h> 48 #include <sys/kernel.h> 49 #include <sys/proc.h> 50 #include <sys/malloc.h> 51 #include <sys/syslog.h> 52 #include <sys/systm.h> 53 #include <sys/tty.h> 54 #include <sys/signalvar.h> 55 #include <sys/errno.h> 56 #include <sys/fcntl.h> 57 #include <sys/vnode.h> 58 #include <sys/kauth.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 device_t sc_dev; 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(device_t , struct cfdata *, void *); 158 static void wsdisplay_emul_attach(device_t, device_t, void *); 159 static int wsdisplay_noemul_match(device_t, struct cfdata *, void *); 160 static void wsdisplay_noemul_attach(device_t, device_t, void *); 161 162 CFATTACH_DECL_NEW(wsdisplay_emul, sizeof (struct wsdisplay_softc), 163 wsdisplay_emul_match, wsdisplay_emul_attach, NULL, NULL); 164 165 CFATTACH_DECL_NEW(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 static int wsdisplay_switch1(device_t, int, int); 230 static void wsdisplay_switch1_cb(void *, int, int); 231 static int wsdisplay_switch2(device_t, int, int); 232 static void wsdisplay_switch2_cb(void *, int, int); 233 static int wsdisplay_switch3(device_t, int, int); 234 static void wsdisplay_switch3_cb(void *, int, int); 235 236 int wsdisplay_clearonclose; 237 238 struct wsscreen * 239 wsscreen_attach(struct wsdisplay_softc *sc, int console, const char *emul, 240 const struct wsscreen_descr *type, void *cookie, int ccol, 241 int crow, long defattr) 242 { 243 struct wsscreen_internal *dconf; 244 struct wsscreen *scr; 245 246 scr = malloc(sizeof(struct wsscreen), M_DEVBUF, M_WAITOK); 247 if (!scr) 248 return (NULL); 249 250 if (console) { 251 dconf = &wsdisplay_console_conf; 252 /* 253 * If there's an emulation, tell it about the callback argument. 254 * The other stuff is already there. 255 */ 256 if (dconf->wsemul != NULL) 257 (*dconf->wsemul->attach)(1, 0, 0, 0, 0, scr, 0); 258 } else { /* not console */ 259 dconf = malloc(sizeof(struct wsscreen_internal), 260 M_DEVBUF, M_NOWAIT); 261 dconf->emulops = type->textops; 262 dconf->emulcookie = cookie; 263 if (dconf->emulops) { 264 dconf->wsemul = wsemul_pick(emul); 265 if (dconf->wsemul == NULL) { 266 free(dconf, M_DEVBUF); 267 free(scr, M_DEVBUF); 268 return (NULL); 269 } 270 dconf->wsemulcookie = 271 (*dconf->wsemul->attach)(0, type, cookie, 272 ccol, crow, scr, defattr); 273 } else 274 dconf->wsemul = NULL; 275 dconf->scrdata = type; 276 } 277 278 scr->scr_dconf = dconf; 279 280 scr->scr_tty = ttymalloc(); 281 tty_attach(scr->scr_tty); 282 scr->scr_hold_screen = 0; 283 if (WSSCREEN_HAS_EMULATOR(scr)) 284 scr->scr_flags = 0; 285 else 286 scr->scr_flags = SCR_GRAPHICS; 287 288 scr->scr_syncops = 0; 289 scr->sc = sc; 290 #ifdef WSDISPLAY_COMPAT_RAWKBD 291 scr->scr_rawkbd = 0; 292 #endif 293 return (scr); 294 } 295 296 void 297 wsscreen_detach(struct wsscreen *scr) 298 { 299 u_int ccol, crow; /* XXX */ 300 301 if (WSSCREEN_HAS_TTY(scr)) { 302 tty_detach(scr->scr_tty); 303 ttyfree(scr->scr_tty); 304 } 305 if (WSSCREEN_HAS_EMULATOR(scr)) 306 (*scr->scr_dconf->wsemul->detach)(scr->scr_dconf->wsemulcookie, 307 &ccol, &crow); 308 free(scr->scr_dconf, M_DEVBUF); 309 free(scr, M_DEVBUF); 310 } 311 312 const struct wsscreen_descr * 313 wsdisplay_screentype_pick(const struct wsscreen_list *scrdata, const char *name) 314 { 315 int i; 316 const struct wsscreen_descr *scr; 317 318 KASSERT(scrdata->nscreens > 0); 319 320 if (name == NULL) 321 return (scrdata->screens[0]); 322 323 for (i = 0; i < scrdata->nscreens; i++) { 324 scr = scrdata->screens[i]; 325 if (!strcmp(name, scr->name)) 326 return (scr); 327 } 328 329 return (0); 330 } 331 332 /* 333 * print info about attached screen 334 */ 335 static void 336 wsdisplay_addscreen_print(struct wsdisplay_softc *sc, int idx, int count) 337 { 338 aprint_verbose_dev(sc->sc_dev, "screen %d", idx); 339 if (count > 1) 340 aprint_verbose("-%d", idx + (count-1)); 341 aprint_verbose(" added (%s", sc->sc_scr[idx]->scr_dconf->scrdata->name); 342 if (WSSCREEN_HAS_EMULATOR(sc->sc_scr[idx])) { 343 aprint_verbose(", %s emulation", 344 sc->sc_scr[idx]->scr_dconf->wsemul->name); 345 } 346 aprint_verbose(")\n"); 347 } 348 349 int 350 wsdisplay_addscreen(struct wsdisplay_softc *sc, int idx, 351 const char *screentype, const char *emul) 352 { 353 const struct wsscreen_descr *scrdesc; 354 int error; 355 void *cookie; 356 int ccol, crow; 357 long defattr; 358 struct wsscreen *scr; 359 int s; 360 361 if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN) 362 return (EINVAL); 363 if (sc->sc_scr[idx] != NULL) 364 return (EBUSY); 365 366 scrdesc = wsdisplay_screentype_pick(sc->sc_scrdata, screentype); 367 if (!scrdesc) 368 return (ENXIO); 369 error = (*sc->sc_accessops->alloc_screen)(sc->sc_accesscookie, 370 scrdesc, &cookie, &ccol, &crow, &defattr); 371 if (error) 372 return (error); 373 374 scr = wsscreen_attach(sc, 0, emul, scrdesc, 375 cookie, ccol, crow, defattr); 376 if (scr == NULL) { 377 (*sc->sc_accessops->free_screen)(sc->sc_accesscookie, 378 cookie); 379 return (ENXIO); 380 } 381 382 sc->sc_scr[idx] = scr; 383 384 /* if no screen has focus yet, activate the first we get */ 385 s = spltty(); 386 if (!sc->sc_focus) { 387 (*sc->sc_accessops->show_screen)(sc->sc_accesscookie, 388 scr->scr_dconf->emulcookie, 389 0, 0, 0); 390 sc->sc_focusidx = idx; 391 sc->sc_focus = scr; 392 } 393 splx(s); 394 return (0); 395 } 396 397 static void 398 wsdisplay_closescreen(struct wsdisplay_softc *sc, struct wsscreen *scr) 399 { 400 int maj, mn, idx; 401 402 /* hangup */ 403 if (WSSCREEN_HAS_TTY(scr)) { 404 struct tty *tp = scr->scr_tty; 405 (*tp->t_linesw->l_modem)(tp, 0); 406 } 407 408 /* locate the major number */ 409 maj = cdevsw_lookup_major(&wsdisplay_cdevsw); 410 /* locate the screen index */ 411 for (idx = 0; idx < WSDISPLAY_MAXSCREEN; idx++) 412 if (scr == sc->sc_scr[idx]) 413 break; 414 #ifdef DIAGNOSTIC 415 if (idx == WSDISPLAY_MAXSCREEN) 416 panic("wsdisplay_forceclose: bad screen"); 417 #endif 418 419 /* nuke the vnodes */ 420 mn = WSDISPLAYMINOR(device_unit(sc->sc_dev), idx); 421 vdevgone(maj, mn, mn, VCHR); 422 } 423 424 #ifdef WSDISPLAY_SCROLLSUPPORT 425 void 426 wsdisplay_scroll(void *arg, int op) 427 { 428 device_t dv = arg; 429 struct wsdisplay_softc *sc = device_private(dv); 430 struct wsscreen *scr; 431 int lines; 432 433 scr = sc->sc_focus; 434 435 if (!scr) 436 return; 437 438 if (op == WSDISPLAY_SCROLL_RESET) 439 lines = 0; 440 else { 441 lines = (op & WSDISPLAY_SCROLL_LOW) ? 442 sc->sc_scroll_values.slowlines : 443 sc->sc_scroll_values.fastlines; 444 if (op & WSDISPLAY_SCROLL_BACKWARD) 445 lines = -(lines); 446 } 447 448 if (sc->sc_accessops->scroll) { 449 (*sc->sc_accessops->scroll)(sc->sc_accesscookie, 450 sc->sc_focus->scr_dconf->emulcookie, lines); 451 } 452 } 453 #endif 454 455 int 456 wsdisplay_delscreen(struct wsdisplay_softc *sc, int idx, int flags) 457 { 458 struct wsscreen *scr; 459 int s; 460 void *cookie; 461 462 if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN) 463 return (EINVAL); 464 if ((scr = sc->sc_scr[idx]) == NULL) 465 return (ENXIO); 466 467 if (scr->scr_dconf == &wsdisplay_console_conf || 468 scr->scr_syncops || 469 ((scr->scr_flags & SCR_OPEN) && !(flags & WSDISPLAY_DELSCR_FORCE))) 470 return(EBUSY); 471 472 wsdisplay_closescreen(sc, scr); 473 474 /* 475 * delete pointers, so neither device entries 476 * nor keyboard input can reference it anymore 477 */ 478 s = spltty(); 479 if (sc->sc_focus == scr) { 480 sc->sc_focus = 0; 481 #ifdef WSDISPLAY_COMPAT_RAWKBD 482 wsdisplay_update_rawkbd(sc, 0); 483 #endif 484 } 485 sc->sc_scr[idx] = 0; 486 splx(s); 487 488 /* 489 * Wake up processes waiting for the screen to 490 * be activated. Sleepers must check whether 491 * the screen still exists. 492 */ 493 if (scr->scr_flags & SCR_WAITACTIVE) 494 wakeup(scr); 495 496 /* save a reference to the graphics screen */ 497 cookie = scr->scr_dconf->emulcookie; 498 499 wsscreen_detach(scr); 500 501 (*sc->sc_accessops->free_screen)(sc->sc_accesscookie, 502 cookie); 503 504 aprint_verbose_dev(sc->sc_dev, "screen %d deleted\n", idx); 505 return (0); 506 } 507 508 /* 509 * Autoconfiguration functions. 510 */ 511 int 512 wsdisplay_emul_match(device_t parent, struct cfdata *match, void *aux) 513 { 514 struct wsemuldisplaydev_attach_args *ap = aux; 515 516 if (match->wsemuldisplaydevcf_console != 517 WSEMULDISPLAYDEVCF_CONSOLE_UNK) { 518 /* 519 * If console-ness of device specified, either match 520 * exactly (at high priority), or fail. 521 */ 522 if (match->wsemuldisplaydevcf_console != 0 && 523 ap->console != 0) 524 return (10); 525 else 526 return (0); 527 } 528 529 /* If console-ness unspecified, it wins. */ 530 return (1); 531 } 532 533 void 534 wsdisplay_emul_attach(device_t parent, device_t self, void *aux) 535 { 536 struct wsdisplay_softc *sc = device_private(self); 537 struct wsemuldisplaydev_attach_args *ap = aux; 538 539 sc->sc_dev = self; 540 541 /* Don't allow more than one console to attach */ 542 if (wsdisplay_console_attached && ap->console) 543 ap->console = 0; 544 545 wsdisplay_common_attach(sc, ap->console, 546 device_cfdata(self)->wsemuldisplaydevcf_kbdmux, ap->scrdata, 547 ap->accessops, ap->accesscookie); 548 549 if (ap->console) { 550 int maj; 551 552 /* locate the major number */ 553 maj = cdevsw_lookup_major(&wsdisplay_cdevsw); 554 555 cn_tab->cn_dev = makedev(maj, WSDISPLAYMINOR(device_unit(self), 556 0)); 557 } 558 } 559 560 /* Print function (for parent devices). */ 561 int 562 wsemuldisplaydevprint(void *aux, const char *pnp) 563 { 564 #if 0 /* -Wunused */ 565 struct wsemuldisplaydev_attach_args *ap = aux; 566 #endif 567 568 if (pnp) 569 aprint_normal("wsdisplay at %s", pnp); 570 #if 0 /* don't bother; it's ugly */ 571 aprint_normal(" console %d", ap->console); 572 #endif 573 574 return (UNCONF); 575 } 576 577 int 578 wsdisplay_noemul_match(device_t parent, struct cfdata *match, void *aux) 579 { 580 #if 0 /* -Wunused */ 581 struct wsdisplaydev_attach_args *ap = aux; 582 #endif 583 584 /* Always match. */ 585 return (1); 586 } 587 588 void 589 wsdisplay_noemul_attach(device_t parent, device_t self, void *aux) 590 { 591 struct wsdisplay_softc *sc = device_private(self); 592 struct wsdisplaydev_attach_args *ap = aux; 593 594 sc->sc_dev = self; 595 596 wsdisplay_common_attach(sc, 0, 597 device_cfdata(self)->wsemuldisplaydevcf_kbdmux, NULL, 598 ap->accessops, ap->accesscookie); 599 } 600 601 /* Print function (for parent devices). */ 602 int 603 wsdisplaydevprint(void *aux, const char *pnp) 604 { 605 #if 0 /* -Wunused */ 606 struct wsdisplaydev_attach_args *ap = aux; 607 #endif 608 609 if (pnp) 610 aprint_normal("wsdisplay at %s", pnp); 611 612 return (UNCONF); 613 } 614 615 static void 616 wsdisplay_common_attach(struct wsdisplay_softc *sc, int console, int kbdmux, 617 const struct wsscreen_list *scrdata, 618 const struct wsdisplay_accessops *accessops, 619 void *accesscookie) 620 { 621 static int hookset; 622 int i, start=0; 623 #if NWSKBD > 0 624 struct wsevsrc *kme; 625 #if NWSMUX > 0 626 struct wsmux_softc *mux; 627 628 if (kbdmux >= 0) 629 mux = wsmux_getmux(kbdmux); 630 else 631 mux = wsmux_create("dmux", device_unit(sc->sc_dev)); 632 /* XXX panic()ing isn't nice, but attach cannot fail */ 633 if (mux == NULL) 634 panic("wsdisplay_common_attach: no memory"); 635 sc->sc_input = &mux->sc_base; 636 mux->sc_base.me_dispdv = sc->sc_dev; 637 aprint_normal(" kbdmux %d", kbdmux); 638 #else 639 if (kbdmux >= 0) 640 aprint_normal(" (kbdmux ignored)"); 641 #endif 642 #endif 643 644 sc->sc_isconsole = console; 645 646 if (console) { 647 KASSERT(wsdisplay_console_initted); 648 KASSERT(wsdisplay_console_device == NULL); 649 650 sc->sc_scr[0] = wsscreen_attach(sc, 1, 0, 0, 0, 0, 0, 0); 651 wsdisplay_console_device = sc; 652 653 aprint_normal(": console (%s, %s emulation)", 654 wsdisplay_console_conf.scrdata->name, 655 wsdisplay_console_conf.wsemul->name); 656 657 #if NWSKBD > 0 658 kme = wskbd_set_console_display(sc->sc_dev, sc->sc_input); 659 if (kme != NULL) 660 aprint_normal(", using %s", kme->me_dv.dv_xname); 661 #if NWSMUX == 0 662 sc->sc_input = kme; 663 #endif 664 #endif 665 666 sc->sc_focusidx = 0; 667 sc->sc_focus = sc->sc_scr[0]; 668 start = 1; 669 670 wsdisplay_console_attached = 1; 671 } 672 aprint_normal("\n"); 673 674 #if NWSKBD > 0 && NWSMUX > 0 675 wsmux_set_display(mux, sc->sc_dev); 676 #endif 677 678 sc->sc_accessops = accessops; 679 sc->sc_accesscookie = accesscookie; 680 sc->sc_scrdata = scrdata; 681 682 #ifdef WSDISPLAY_SCROLLSUPPORT 683 sc->sc_scroll_values = wsdisplay_default_scroll_values; 684 #endif 685 686 /* 687 * Set up a number of virtual screens if wanted. The 688 * WSDISPLAYIO_ADDSCREEN ioctl is more flexible, so this code 689 * is for special cases like installation kernels. 690 */ 691 for (i = start; i < wsdisplay_defaultscreens; i++) { 692 if (wsdisplay_addscreen(sc, i, 0, 0)) 693 break; 694 } 695 696 if (i > start) 697 wsdisplay_addscreen_print(sc, start, i-start); 698 699 if (hookset == 0) 700 shutdownhook_establish(wsdisplay_shutdownhook, NULL); 701 hookset = 1; 702 } 703 704 void 705 wsdisplay_cnattach(const struct wsscreen_descr *type, void *cookie, 706 int ccol, int crow, long defattr) 707 { 708 const struct wsemul_ops *wsemul; 709 710 KASSERT(wsdisplay_console_initted < 2); 711 KASSERT(type->nrows > 0); 712 KASSERT(type->ncols > 0); 713 KASSERT(crow < type->nrows); 714 KASSERT(ccol < type->ncols); 715 716 wsdisplay_console_conf.emulops = type->textops; 717 wsdisplay_console_conf.emulcookie = cookie; 718 wsdisplay_console_conf.scrdata = type; 719 720 wsemul = wsemul_pick(0); /* default */ 721 wsdisplay_console_conf.wsemul = wsemul; 722 wsdisplay_console_conf.wsemulcookie = (*wsemul->cnattach)(type, cookie, 723 ccol, crow, 724 defattr); 725 726 cn_tab = &wsdisplay_cons; 727 wsdisplay_console_initted = 2; 728 } 729 730 void 731 wsdisplay_preattach(const struct wsscreen_descr *type, void *cookie, 732 int ccol, int crow, long defattr) 733 { 734 const struct wsemul_ops *wsemul; 735 736 KASSERT(!wsdisplay_console_initted); 737 KASSERT(type->nrows > 0); 738 KASSERT(type->ncols > 0); 739 KASSERT(crow < type->nrows); 740 KASSERT(ccol < type->ncols); 741 742 wsdisplay_console_conf.emulops = type->textops; 743 wsdisplay_console_conf.emulcookie = cookie; 744 wsdisplay_console_conf.scrdata = type; 745 746 wsemul = wsemul_pick(0); /* default */ 747 wsdisplay_console_conf.wsemul = wsemul; 748 wsdisplay_console_conf.wsemulcookie = (*wsemul->cnattach)(type, cookie, 749 ccol, crow, 750 defattr); 751 752 cn_tab = &wsdisplay_cons; 753 wsdisplay_console_initted = 1; 754 } 755 756 /* 757 * Tty and cdevsw functions. 758 */ 759 int 760 wsdisplayopen(dev_t dev, int flag, int mode, struct lwp *l) 761 { 762 device_t dv; 763 struct wsdisplay_softc *sc; 764 struct tty *tp; 765 int newopen, error; 766 struct wsscreen *scr; 767 768 dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 769 if (dv == NULL) /* make sure it was attached */ 770 return (ENXIO); 771 772 sc = device_private(dv); 773 774 if (ISWSDISPLAYSTAT(dev)) { 775 wsevent_init(&sc->evar, l->l_proc); 776 return (0); 777 } 778 779 if (ISWSDISPLAYCTL(dev)) 780 return (0); 781 782 if (WSDISPLAYSCREEN(dev) >= WSDISPLAY_MAXSCREEN) 783 return (ENXIO); 784 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 785 return (ENXIO); 786 787 if (WSSCREEN_HAS_TTY(scr)) { 788 tp = scr->scr_tty; 789 tp->t_oproc = wsdisplaystart; 790 tp->t_param = wsdisplayparam; 791 tp->t_dev = dev; 792 newopen = (tp->t_state & TS_ISOPEN) == 0; 793 794 if (kauth_authorize_device_tty(l->l_cred, 795 KAUTH_DEVICE_TTY_OPEN, tp)) 796 return (EBUSY); 797 798 if (newopen) { 799 ttychars(tp); 800 tp->t_iflag = TTYDEF_IFLAG; 801 tp->t_oflag = TTYDEF_OFLAG; 802 tp->t_cflag = TTYDEF_CFLAG; 803 tp->t_lflag = TTYDEF_LFLAG; 804 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 805 wsdisplayparam(tp, &tp->t_termios); 806 ttsetwater(tp); 807 } 808 tp->t_state |= TS_CARR_ON; 809 810 error = ((*tp->t_linesw->l_open)(dev, tp)); 811 if (error) 812 return (error); 813 814 if (newopen && WSSCREEN_HAS_EMULATOR(scr)) { 815 /* set window sizes as appropriate, and reset 816 the emulation */ 817 tp->t_winsize.ws_row = scr->scr_dconf->scrdata->nrows; 818 tp->t_winsize.ws_col = scr->scr_dconf->scrdata->ncols; 819 820 /* wsdisplay_set_emulation() */ 821 } 822 } 823 824 scr->scr_flags |= SCR_OPEN; 825 return (0); 826 } 827 828 int 829 wsdisplayclose(dev_t dev, int flag, int mode, struct lwp *l) 830 { 831 device_t dv; 832 struct wsdisplay_softc *sc; 833 struct tty *tp; 834 struct wsscreen *scr; 835 836 dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 837 sc = device_private(dv); 838 839 if (ISWSDISPLAYSTAT(dev)) { 840 wsevent_fini(&sc->evar); 841 return (0); 842 } 843 844 if (ISWSDISPLAYCTL(dev)) 845 return (0); 846 847 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 848 return (0); 849 850 if (WSSCREEN_HAS_TTY(scr)) { 851 if (scr->scr_hold_screen) { 852 int s; 853 854 /* XXX RESET KEYBOARD LEDS, etc. */ 855 s = spltty(); /* avoid conflict with keyboard */ 856 wsdisplay_kbdholdscreen(dv, 0); 857 splx(s); 858 } 859 tp = scr->scr_tty; 860 (*tp->t_linesw->l_close)(tp, flag); 861 ttyclose(tp); 862 } 863 864 if (scr->scr_syncops) 865 (*scr->scr_syncops->destroy)(scr->scr_synccookie); 866 867 if (WSSCREEN_HAS_EMULATOR(scr)) { 868 scr->scr_flags &= ~SCR_GRAPHICS; 869 (*scr->scr_dconf->wsemul->reset)(scr->scr_dconf->wsemulcookie, 870 WSEMUL_RESET); 871 if (wsdisplay_clearonclose) 872 (*scr->scr_dconf->wsemul->reset) 873 (scr->scr_dconf->wsemulcookie, 874 WSEMUL_CLEARSCREEN); 875 } 876 877 #ifdef WSDISPLAY_COMPAT_RAWKBD 878 if (scr->scr_rawkbd) { 879 int kbmode = WSKBD_TRANSLATED; 880 (void)wsdisplay_internal_ioctl(sc, scr, WSKBDIO_SETMODE, 881 (void *)&kbmode, 0, l); 882 } 883 #endif 884 885 scr->scr_flags &= ~SCR_OPEN; 886 887 return (0); 888 } 889 890 int 891 wsdisplayread(dev_t dev, struct uio *uio, int flag) 892 { 893 device_t dv; 894 struct wsdisplay_softc *sc; 895 struct tty *tp; 896 struct wsscreen *scr; 897 int error; 898 899 dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 900 sc = device_private(dv); 901 902 if (ISWSDISPLAYSTAT(dev)) { 903 error = wsevent_read(&sc->evar, uio, flag); 904 return (error); 905 } 906 907 if (ISWSDISPLAYCTL(dev)) 908 return (0); 909 910 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 911 return (ENXIO); 912 913 if (!WSSCREEN_HAS_TTY(scr)) 914 return (ENODEV); 915 916 tp = scr->scr_tty; 917 return ((*tp->t_linesw->l_read)(tp, uio, flag)); 918 } 919 920 int 921 wsdisplaywrite(dev_t dev, struct uio *uio, int flag) 922 { 923 device_t dv; 924 struct wsdisplay_softc *sc; 925 struct tty *tp; 926 struct wsscreen *scr; 927 928 dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 929 sc = device_private(dv); 930 931 if (ISWSDISPLAYSTAT(dev)) { 932 return (0); 933 } 934 935 if (ISWSDISPLAYCTL(dev)) 936 return (0); 937 938 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 939 return (ENXIO); 940 941 if (!WSSCREEN_HAS_TTY(scr)) 942 return (ENODEV); 943 944 tp = scr->scr_tty; 945 return ((*tp->t_linesw->l_write)(tp, uio, flag)); 946 } 947 948 int 949 wsdisplaypoll(dev_t dev, int events, struct lwp *l) 950 { 951 device_t dv; 952 struct wsdisplay_softc *sc; 953 struct tty *tp; 954 struct wsscreen *scr; 955 956 dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 957 sc = device_private(dv); 958 959 if (ISWSDISPLAYSTAT(dev)) 960 return (wsevent_poll(&sc->evar, events, l)); 961 962 if (ISWSDISPLAYCTL(dev)) 963 return (0); 964 965 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 966 return (POLLHUP); 967 968 if (!WSSCREEN_HAS_TTY(scr)) 969 return (POLLERR); 970 971 tp = scr->scr_tty; 972 return ((*tp->t_linesw->l_poll)(tp, events, l)); 973 } 974 975 int 976 wsdisplaykqfilter(dev_t dev, struct knote *kn) 977 { 978 device_t dv; 979 struct wsdisplay_softc *sc; 980 struct wsscreen *scr; 981 982 dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 983 sc = device_private(dv); 984 985 if (ISWSDISPLAYCTL(dev)) 986 return (1); 987 988 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 989 return (1); 990 991 992 if (WSSCREEN_HAS_TTY(scr)) 993 return (ttykqfilter(dev, kn)); 994 else 995 return (1); 996 } 997 998 struct tty * 999 wsdisplaytty(dev_t dev) 1000 { 1001 device_t dv; 1002 struct wsdisplay_softc *sc; 1003 struct wsscreen *scr; 1004 1005 dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 1006 sc = device_private(dv); 1007 1008 if (ISWSDISPLAYSTAT(dev)) 1009 panic("wsdisplaytty() on status device"); 1010 1011 if (ISWSDISPLAYCTL(dev)) 1012 panic("wsdisplaytty() on ctl device"); 1013 1014 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 1015 return NULL; 1016 1017 return (scr->scr_tty); 1018 } 1019 1020 int 1021 wsdisplayioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l) 1022 { 1023 device_t dv; 1024 struct wsdisplay_softc *sc; 1025 struct tty *tp; 1026 int error; 1027 struct wsscreen *scr; 1028 1029 dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 1030 sc = device_private(dv); 1031 1032 #ifdef WSDISPLAY_COMPAT_USL 1033 error = wsdisplay_usl_ioctl1(dv, cmd, data, flag, l); 1034 if (error != EPASSTHROUGH) 1035 return (error); 1036 #endif 1037 1038 if (ISWSDISPLAYSTAT(dev)) 1039 return (wsdisplay_stat_ioctl(sc, cmd, data, flag, l)); 1040 1041 if (ISWSDISPLAYCTL(dev)) 1042 return (wsdisplay_cfg_ioctl(sc, cmd, data, flag, l)); 1043 1044 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 1045 return (ENXIO); 1046 1047 if (WSSCREEN_HAS_TTY(scr)) { 1048 tp = scr->scr_tty; 1049 1050 /* printf("disc\n"); */ 1051 /* do the line discipline ioctls first */ 1052 error = (*tp->t_linesw->l_ioctl)(tp, cmd, data, flag, l); 1053 if (error != EPASSTHROUGH) 1054 return (error); 1055 1056 /* printf("tty\n"); */ 1057 /* then the tty ioctls */ 1058 error = ttioctl(tp, cmd, data, flag, l); 1059 if (error != EPASSTHROUGH) 1060 return (error); 1061 } 1062 1063 #ifdef WSDISPLAY_COMPAT_USL 1064 error = wsdisplay_usl_ioctl2(sc, scr, cmd, data, flag, l); 1065 if (error != EPASSTHROUGH) 1066 return (error); 1067 #endif 1068 1069 return (wsdisplay_internal_ioctl(sc, scr, cmd, data, flag, l)); 1070 } 1071 1072 int 1073 wsdisplay_param(device_t dv, u_long cmd, struct wsdisplay_param *dp) 1074 { 1075 struct wsdisplay_softc *sc = device_private(dv); 1076 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie, 1077 sc->sc_focus->scr_dconf->emulcookie, 1078 cmd, (void *)dp, 0, NULL)); 1079 } 1080 1081 int 1082 wsdisplay_internal_ioctl(struct wsdisplay_softc *sc, struct wsscreen *scr, 1083 u_long cmd, void *data, int flag, struct lwp *l) 1084 { 1085 int error; 1086 char namebuf[16]; 1087 struct wsdisplay_font fd; 1088 #ifdef WSDISPLAY_SCROLLSUPPORT 1089 struct wsdisplay_scroll_data *ksdp, *usdp; 1090 #endif 1091 1092 #if NWSKBD > 0 1093 struct wsevsrc *inp; 1094 1095 #ifdef WSDISPLAY_COMPAT_RAWKBD 1096 switch (cmd) { 1097 case WSKBDIO_SETMODE: 1098 scr->scr_rawkbd = (*(int *)data == WSKBD_RAW); 1099 return (wsdisplay_update_rawkbd(sc, scr)); 1100 case WSKBDIO_GETMODE: 1101 *(int *)data = (scr->scr_rawkbd ? 1102 WSKBD_RAW : WSKBD_TRANSLATED); 1103 return (0); 1104 } 1105 #endif 1106 inp = sc->sc_input; 1107 if (inp == NULL) 1108 return (ENXIO); 1109 error = wsevsrc_display_ioctl(inp, cmd, data, flag, l); 1110 if (error != EPASSTHROUGH) 1111 return (error); 1112 #endif /* NWSKBD > 0 */ 1113 1114 switch (cmd) { 1115 case WSDISPLAYIO_GMODE: 1116 if (scr->scr_flags & SCR_GRAPHICS) { 1117 if (scr->scr_flags & SCR_DUMBFB) 1118 *(u_int *)data = WSDISPLAYIO_MODE_DUMBFB; 1119 else 1120 *(u_int *)data = WSDISPLAYIO_MODE_MAPPED; 1121 } else 1122 *(u_int *)data = WSDISPLAYIO_MODE_EMUL; 1123 return (0); 1124 1125 case WSDISPLAYIO_SMODE: 1126 #define d (*(int *)data) 1127 if (d != WSDISPLAYIO_MODE_EMUL && 1128 d != WSDISPLAYIO_MODE_MAPPED && 1129 d != WSDISPLAYIO_MODE_DUMBFB) 1130 return (EINVAL); 1131 1132 if (WSSCREEN_HAS_EMULATOR(scr)) { 1133 scr->scr_flags &= ~SCR_GRAPHICS; 1134 if (d == WSDISPLAYIO_MODE_MAPPED || 1135 d == WSDISPLAYIO_MODE_DUMBFB) 1136 scr->scr_flags |= SCR_GRAPHICS | 1137 ((d == WSDISPLAYIO_MODE_DUMBFB) ? SCR_DUMBFB : 0); 1138 } else if (d == WSDISPLAYIO_MODE_EMUL) 1139 return (EINVAL); 1140 1141 (void)(*sc->sc_accessops->ioctl)(sc->sc_accesscookie, 1142 scr->scr_dconf->emulcookie, cmd, data, flag, l); 1143 1144 return (0); 1145 #undef d 1146 1147 #ifdef WSDISPLAY_SCROLLSUPPORT 1148 #define SETSCROLLLINES(dstp, srcp, dfltp) \ 1149 do { \ 1150 (dstp)->fastlines = ((srcp)->which & \ 1151 WSDISPLAY_SCROLL_DOFASTLINES) ? \ 1152 (srcp)->fastlines : (dfltp)->fastlines; \ 1153 (dstp)->slowlines = ((srcp)->which & \ 1154 WSDISPLAY_SCROLL_DOSLOWLINES) ? \ 1155 (srcp)->slowlines : (dfltp)->slowlines; \ 1156 (dstp)->which = WSDISPLAY_SCROLL_DOALL; \ 1157 } while (0) 1158 1159 1160 case WSDISPLAYIO_DSSCROLL: 1161 usdp = (struct wsdisplay_scroll_data *)data; 1162 ksdp = &sc->sc_scroll_values; 1163 SETSCROLLLINES(ksdp, usdp, ksdp); 1164 return (0); 1165 1166 case WSDISPLAYIO_DGSCROLL: 1167 usdp = (struct wsdisplay_scroll_data *)data; 1168 ksdp = &sc->sc_scroll_values; 1169 SETSCROLLLINES(usdp, ksdp, ksdp); 1170 return (0); 1171 #else 1172 case WSDISPLAYIO_DSSCROLL: 1173 case WSDISPLAYIO_DGSCROLL: 1174 return ENODEV; 1175 #endif 1176 1177 case WSDISPLAYIO_SFONT: 1178 #define d ((struct wsdisplay_usefontdata *)data) 1179 if (!sc->sc_accessops->load_font) 1180 return (EINVAL); 1181 if (d->name) { 1182 error = copyinstr(d->name, namebuf, sizeof(namebuf), 0); 1183 if (error) 1184 return (error); 1185 fd.name = namebuf; 1186 } else 1187 fd.name = 0; 1188 fd.data = 0; 1189 error = (*sc->sc_accessops->load_font)(sc->sc_accesscookie, 1190 scr->scr_dconf->emulcookie, &fd); 1191 if (!error && WSSCREEN_HAS_EMULATOR(scr)) 1192 (*scr->scr_dconf->wsemul->reset) 1193 (scr->scr_dconf->wsemulcookie, WSEMUL_SYNCFONT); 1194 return (error); 1195 #undef d 1196 1197 #ifdef WSDISPLAY_CUSTOM_OUTPUT 1198 case WSDISPLAYIO_GMSGATTRS: 1199 #define d ((struct wsdisplay_msgattrs *)data) 1200 (*scr->scr_dconf->wsemul->getmsgattrs) 1201 (scr->scr_dconf->wsemulcookie, d); 1202 return (0); 1203 #undef d 1204 1205 case WSDISPLAYIO_SMSGATTRS: { 1206 #define d ((struct wsdisplay_msgattrs *)data) 1207 int i; 1208 for (i = 0; i < WSDISPLAY_MAXSCREEN; i++) 1209 if (sc->sc_scr[i] != NULL) 1210 (*sc->sc_scr[i]->scr_dconf->wsemul->setmsgattrs) 1211 (sc->sc_scr[i]->scr_dconf->wsemulcookie, 1212 sc->sc_scr[i]->scr_dconf->scrdata, 1213 d); 1214 } 1215 return (0); 1216 #undef d 1217 #else 1218 case WSDISPLAYIO_GMSGATTRS: 1219 case WSDISPLAYIO_SMSGATTRS: 1220 return (ENODEV); 1221 #endif 1222 } 1223 1224 /* check ioctls for display */ 1225 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie, 1226 scr->scr_dconf->emulcookie, cmd, data, flag, l)); 1227 } 1228 1229 int 1230 wsdisplay_stat_ioctl(struct wsdisplay_softc *sc, u_long cmd, void *data, 1231 int flag, struct lwp *l) 1232 { 1233 switch (cmd) { 1234 case WSDISPLAYIO_GETACTIVESCREEN: 1235 *(int*)data = wsdisplay_getactivescreen(sc); 1236 return (0); 1237 } 1238 1239 return (EPASSTHROUGH); 1240 } 1241 1242 int 1243 wsdisplay_cfg_ioctl(struct wsdisplay_softc *sc, u_long cmd, void *data, 1244 int flag, struct lwp *l) 1245 { 1246 int error; 1247 char *type, typebuf[16], *emul, emulbuf[16]; 1248 void *tbuf; 1249 u_int fontsz; 1250 #if defined(COMPAT_14) && NWSKBD > 0 1251 struct wsmux_device wsmuxdata; 1252 #endif 1253 #if NWSKBD > 0 1254 struct wsevsrc *inp; 1255 #endif 1256 1257 switch (cmd) { 1258 case WSDISPLAYIO_ADDSCREEN: 1259 #define d ((struct wsdisplay_addscreendata *)data) 1260 if (d->screentype) { 1261 error = copyinstr(d->screentype, typebuf, 1262 sizeof(typebuf), 0); 1263 if (error) 1264 return (error); 1265 type = typebuf; 1266 } else 1267 type = 0; 1268 if (d->emul) { 1269 error = copyinstr(d->emul, emulbuf, sizeof(emulbuf),0); 1270 if (error) 1271 return (error); 1272 emul = emulbuf; 1273 } else 1274 emul = 0; 1275 1276 if ((error = wsdisplay_addscreen(sc, d->idx, type, emul)) == 0) 1277 wsdisplay_addscreen_print(sc, d->idx, 0); 1278 return (error); 1279 #undef d 1280 case WSDISPLAYIO_DELSCREEN: 1281 #define d ((struct wsdisplay_delscreendata *)data) 1282 return (wsdisplay_delscreen(sc, d->idx, d->flags)); 1283 #undef d 1284 case WSDISPLAYIO_LDFONT: 1285 #define d ((struct wsdisplay_font *)data) 1286 if (!sc->sc_accessops->load_font) 1287 return (EINVAL); 1288 if (d->name) { 1289 error = copyinstr(d->name, typebuf, sizeof(typebuf), 0); 1290 if (error) 1291 return (error); 1292 d->name = typebuf; 1293 } else 1294 d->name = "loaded"; /* ??? */ 1295 fontsz = d->fontheight * d->stride * d->numchars; 1296 if (fontsz > WSDISPLAY_MAXFONTSZ) 1297 return (EINVAL); 1298 1299 tbuf = malloc(fontsz, M_DEVBUF, M_WAITOK); 1300 error = copyin(d->data, tbuf, fontsz); 1301 if (error) { 1302 free(tbuf, M_DEVBUF); 1303 return (error); 1304 } 1305 d->data = tbuf; 1306 error = 1307 (*sc->sc_accessops->load_font)(sc->sc_accesscookie, 0, d); 1308 free(tbuf, M_DEVBUF); 1309 #undef d 1310 return (error); 1311 1312 #if NWSKBD > 0 1313 #ifdef COMPAT_14 1314 case _O_WSDISPLAYIO_SETKEYBOARD: 1315 #define d ((struct wsdisplay_kbddata *)data) 1316 inp = sc->sc_input; 1317 if (inp == NULL) 1318 return (ENXIO); 1319 switch (d->op) { 1320 case _O_WSDISPLAY_KBD_ADD: 1321 if (d->idx == -1) { 1322 d->idx = wskbd_pickfree(); 1323 if (d->idx == -1) 1324 return (ENXIO); 1325 } 1326 wsmuxdata.type = WSMUX_KBD; 1327 wsmuxdata.idx = d->idx; 1328 return (wsevsrc_ioctl(inp, WSMUX_ADD_DEVICE, 1329 &wsmuxdata, flag, l)); 1330 case _O_WSDISPLAY_KBD_DEL: 1331 wsmuxdata.type = WSMUX_KBD; 1332 wsmuxdata.idx = d->idx; 1333 return (wsevsrc_ioctl(inp, WSMUX_REMOVE_DEVICE, 1334 &wsmuxdata, flag, l)); 1335 default: 1336 return (EINVAL); 1337 } 1338 #undef d 1339 #endif 1340 1341 case WSMUXIO_ADD_DEVICE: 1342 #define d ((struct wsmux_device *)data) 1343 if (d->idx == -1 && d->type == WSMUX_KBD) 1344 d->idx = wskbd_pickfree(); 1345 #undef d 1346 /* fall into */ 1347 case WSMUXIO_INJECTEVENT: 1348 case WSMUXIO_REMOVE_DEVICE: 1349 case WSMUXIO_LIST_DEVICES: 1350 inp = sc->sc_input; 1351 if (inp == NULL) 1352 return (ENXIO); 1353 return (wsevsrc_ioctl(inp, cmd, data, flag, l)); 1354 #endif /* NWSKBD > 0 */ 1355 1356 } 1357 return (EPASSTHROUGH); 1358 } 1359 1360 int 1361 wsdisplay_stat_inject(device_t dv, u_int type, int value) 1362 { 1363 struct wsdisplay_softc *sc = device_private(dv); 1364 struct wseventvar *evar; 1365 struct wscons_event event; 1366 1367 evar = &sc->evar; 1368 1369 if (evar == NULL) 1370 return (0); 1371 1372 if (evar->q == NULL) 1373 return (1); 1374 1375 event.type = type; 1376 event.value = value; 1377 if (wsevent_inject(evar, &event, 1) != 0) { 1378 log(LOG_WARNING, "wsdisplay: event queue overflow\n"); 1379 return (1); 1380 } 1381 1382 return (0); 1383 } 1384 1385 paddr_t 1386 wsdisplaymmap(dev_t dev, off_t offset, int prot) 1387 { 1388 device_t dv; 1389 struct wsdisplay_softc *sc; 1390 struct wsscreen *scr; 1391 1392 dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 1393 sc = device_private(dv); 1394 1395 if (ISWSDISPLAYSTAT(dev)) 1396 return (-1); 1397 1398 if (ISWSDISPLAYCTL(dev)) 1399 return (-1); 1400 1401 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 1402 return (-1); 1403 1404 if (!(scr->scr_flags & SCR_GRAPHICS)) 1405 return (-1); 1406 1407 /* pass mmap to display */ 1408 return ((*sc->sc_accessops->mmap)(sc->sc_accesscookie, 1409 scr->scr_dconf->emulcookie, offset, prot)); 1410 } 1411 1412 void 1413 wsdisplaystart(struct tty *tp) 1414 { 1415 device_t dv; 1416 struct wsdisplay_softc *sc; 1417 struct wsscreen *scr; 1418 int s, n; 1419 u_char *tbuf; 1420 1421 s = spltty(); 1422 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) { 1423 splx(s); 1424 return; 1425 } 1426 dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(tp->t_dev)); 1427 sc = device_private(dv); 1428 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(tp->t_dev)]) == NULL) { 1429 splx(s); 1430 return; 1431 } 1432 1433 if (scr->scr_hold_screen) { 1434 tp->t_state |= TS_TIMEOUT; 1435 splx(s); 1436 return; 1437 } 1438 tp->t_state |= TS_BUSY; 1439 splx(s); 1440 1441 /* 1442 * Drain output from ring buffer. 1443 * The output will normally be in one contiguous chunk, but when the 1444 * ring wraps, it will be in two pieces.. one at the end of the ring, 1445 * the other at the start. For performance, rather than loop here, 1446 * we output one chunk, see if there's another one, and if so, output 1447 * it too. 1448 */ 1449 1450 n = ndqb(&tp->t_outq, 0); 1451 tbuf = tp->t_outq.c_cf; 1452 1453 if (!(scr->scr_flags & SCR_GRAPHICS)) { 1454 KASSERT(WSSCREEN_HAS_EMULATOR(scr)); 1455 (*scr->scr_dconf->wsemul->output)(scr->scr_dconf->wsemulcookie, 1456 tbuf, n, 0); 1457 } 1458 ndflush(&tp->t_outq, n); 1459 1460 if ((n = ndqb(&tp->t_outq, 0)) > 0) { 1461 tbuf = tp->t_outq.c_cf; 1462 1463 if (!(scr->scr_flags & SCR_GRAPHICS)) { 1464 KASSERT(WSSCREEN_HAS_EMULATOR(scr)); 1465 (*scr->scr_dconf->wsemul->output) 1466 (scr->scr_dconf->wsemulcookie, tbuf, n, 0); 1467 } 1468 ndflush(&tp->t_outq, n); 1469 } 1470 1471 s = spltty(); 1472 tp->t_state &= ~TS_BUSY; 1473 /* Come back if there's more to do */ 1474 if (tp->t_outq.c_cc) { 1475 tp->t_state |= TS_TIMEOUT; 1476 callout_schedule(&tp->t_rstrt_ch, (hz > 128) ? (hz / 128) : 1); 1477 } 1478 if (tp->t_outq.c_cc <= tp->t_lowat) { 1479 if (tp->t_state&TS_ASLEEP) { 1480 tp->t_state &= ~TS_ASLEEP; 1481 wakeup(&tp->t_outq); 1482 } 1483 selwakeup(&tp->t_wsel); 1484 } 1485 splx(s); 1486 } 1487 1488 void 1489 wsdisplaystop(struct tty *tp, int flag) 1490 { 1491 int s; 1492 1493 s = spltty(); 1494 if (ISSET(tp->t_state, TS_BUSY)) 1495 if (!ISSET(tp->t_state, TS_TTSTOP)) 1496 SET(tp->t_state, TS_FLUSH); 1497 splx(s); 1498 } 1499 1500 /* Set line parameters. */ 1501 int 1502 wsdisplayparam(struct tty *tp, struct termios *t) 1503 { 1504 1505 tp->t_ispeed = t->c_ispeed; 1506 tp->t_ospeed = t->c_ospeed; 1507 tp->t_cflag = t->c_cflag; 1508 return 0; 1509 } 1510 1511 /* 1512 * Callbacks for the emulation code. 1513 */ 1514 void 1515 wsdisplay_emulbell(void *v) 1516 { 1517 struct wsscreen *scr = v; 1518 1519 if (scr == NULL) /* console, before real attach */ 1520 return; 1521 1522 if (scr->scr_flags & SCR_GRAPHICS) /* can this happen? */ 1523 return; 1524 1525 (void) wsdisplay_internal_ioctl(scr->sc, scr, WSKBDIO_BELL, NULL, 1526 FWRITE, NULL); 1527 } 1528 1529 void 1530 wsdisplay_emulinput(void *v, const u_char *data, u_int count) 1531 { 1532 struct wsscreen *scr = v; 1533 struct tty *tp; 1534 1535 if (v == NULL) /* console, before real attach */ 1536 return; 1537 1538 if (scr->scr_flags & SCR_GRAPHICS) /* XXX can't happen */ 1539 return; 1540 if (!WSSCREEN_HAS_TTY(scr)) 1541 return; 1542 1543 tp = scr->scr_tty; 1544 while (count-- > 0) 1545 (*tp->t_linesw->l_rint)(*data++, tp); 1546 } 1547 1548 /* 1549 * Calls from the keyboard interface. 1550 */ 1551 void 1552 wsdisplay_kbdinput(device_t dv, keysym_t ks) 1553 { 1554 struct wsdisplay_softc *sc = device_private(dv); 1555 struct wsscreen *scr; 1556 const char *dp; 1557 int count; 1558 struct tty *tp; 1559 1560 KASSERT(sc != NULL); 1561 1562 scr = sc->sc_focus; 1563 1564 if (!scr || !WSSCREEN_HAS_TTY(scr)) 1565 return; 1566 1567 tp = scr->scr_tty; 1568 1569 if (KS_GROUP(ks) == KS_GROUP_Ascii) 1570 (*tp->t_linesw->l_rint)(KS_VALUE(ks), tp); 1571 else if (WSSCREEN_HAS_EMULATOR(scr)) { 1572 count = (*scr->scr_dconf->wsemul->translate) 1573 (scr->scr_dconf->wsemulcookie, ks, &dp); 1574 while (count-- > 0) 1575 (*tp->t_linesw->l_rint)(*dp++, tp); 1576 } 1577 } 1578 1579 #if defined(WSDISPLAY_COMPAT_RAWKBD) 1580 int 1581 wsdisplay_update_rawkbd(struct wsdisplay_softc *sc, struct wsscreen *scr) 1582 { 1583 #if NWSKBD > 0 1584 int s, raw, data, error; 1585 struct wsevsrc *inp; 1586 1587 s = spltty(); 1588 1589 raw = (scr ? scr->scr_rawkbd : 0); 1590 1591 if (scr != sc->sc_focus || 1592 sc->sc_rawkbd == raw) { 1593 splx(s); 1594 return (0); 1595 } 1596 1597 data = raw ? WSKBD_RAW : WSKBD_TRANSLATED; 1598 inp = sc->sc_input; 1599 if (inp == NULL) { 1600 splx(s); 1601 return (ENXIO); 1602 } 1603 error = wsevsrc_display_ioctl(inp, WSKBDIO_SETMODE, &data, 0, 0); 1604 if (!error) 1605 sc->sc_rawkbd = raw; 1606 splx(s); 1607 return (error); 1608 #else 1609 return (0); 1610 #endif 1611 } 1612 #endif 1613 1614 static void 1615 wsdisplay_switch3_cb(void *arg, int error, int waitok) 1616 { 1617 device_t dv = arg; 1618 1619 wsdisplay_switch3(dv, error, waitok); 1620 } 1621 1622 static int 1623 wsdisplay_switch3(device_t dv, int error, int waitok) 1624 { 1625 struct wsdisplay_softc *sc = device_private(dv); 1626 int no; 1627 struct wsscreen *scr; 1628 1629 if (!(sc->sc_flags & SC_SWITCHPENDING)) { 1630 aprint_error_dev(dv, "wsdisplay_switch3: not switching\n"); 1631 return (EINVAL); 1632 } 1633 1634 no = sc->sc_screenwanted; 1635 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1636 panic("wsdisplay_switch3: invalid screen %d", no); 1637 scr = sc->sc_scr[no]; 1638 if (!scr) { 1639 aprint_error_dev(dv, 1640 "wsdisplay_switch3: screen %d disappeared\n", no); 1641 error = ENXIO; 1642 } 1643 1644 if (error) { 1645 /* try to recover, avoid recursion */ 1646 1647 if (sc->sc_oldscreen == WSDISPLAY_NULLSCREEN) { 1648 aprint_error_dev(dv, "wsdisplay_switch3: giving up\n"); 1649 sc->sc_focus = 0; 1650 #ifdef WSDISPLAY_COMPAT_RAWKBD 1651 wsdisplay_update_rawkbd(sc, 0); 1652 #endif 1653 sc->sc_flags &= ~SC_SWITCHPENDING; 1654 return (error); 1655 } 1656 1657 sc->sc_screenwanted = sc->sc_oldscreen; 1658 sc->sc_oldscreen = WSDISPLAY_NULLSCREEN; 1659 return (wsdisplay_switch1(dv, 0, waitok)); 1660 } 1661 1662 sc->sc_flags &= ~SC_SWITCHPENDING; 1663 1664 if (!error && (scr->scr_flags & SCR_WAITACTIVE)) 1665 wakeup(scr); 1666 return (error); 1667 } 1668 1669 static void 1670 wsdisplay_switch2_cb(void *arg, int error, int waitok) 1671 { 1672 device_t dv = arg; 1673 1674 wsdisplay_switch2(dv, error, waitok); 1675 } 1676 1677 static int 1678 wsdisplay_switch2(device_t dv, int error, int waitok) 1679 { 1680 struct wsdisplay_softc *sc = device_private(dv); 1681 int no; 1682 struct wsscreen *scr; 1683 1684 if (!(sc->sc_flags & SC_SWITCHPENDING)) { 1685 aprint_error_dev(dv, "wsdisplay_switch2: not switching\n"); 1686 return (EINVAL); 1687 } 1688 1689 no = sc->sc_screenwanted; 1690 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1691 panic("wsdisplay_switch2: invalid screen %d", no); 1692 scr = sc->sc_scr[no]; 1693 if (!scr) { 1694 aprint_error_dev(dv, 1695 "wsdisplay_switch2: screen %d disappeared\n", no); 1696 error = ENXIO; 1697 } 1698 1699 if (error) { 1700 /* try to recover, avoid recursion */ 1701 1702 if (sc->sc_oldscreen == WSDISPLAY_NULLSCREEN) { 1703 aprint_error_dev(dv, "wsdisplay_switch2: giving up\n"); 1704 sc->sc_focus = 0; 1705 sc->sc_flags &= ~SC_SWITCHPENDING; 1706 return (error); 1707 } 1708 1709 sc->sc_screenwanted = sc->sc_oldscreen; 1710 sc->sc_oldscreen = WSDISPLAY_NULLSCREEN; 1711 return (wsdisplay_switch1(dv, 0, waitok)); 1712 } 1713 1714 sc->sc_focusidx = no; 1715 sc->sc_focus = scr; 1716 1717 #ifdef WSDISPLAY_COMPAT_RAWKBD 1718 (void) wsdisplay_update_rawkbd(sc, scr); 1719 #endif 1720 /* keyboard map??? */ 1721 1722 if (scr->scr_syncops) { 1723 error = (*scr->scr_syncops->attach)(scr->scr_synccookie, waitok, 1724 sc->sc_isconsole && wsdisplay_cons_pollmode ? 0 : wsdisplay_switch3_cb, dv); 1725 if (error == EAGAIN) { 1726 /* switch will be done asynchronously */ 1727 return (0); 1728 } 1729 } 1730 1731 return (wsdisplay_switch3(dv, error, waitok)); 1732 } 1733 1734 static void 1735 wsdisplay_switch1_cb(void *arg, int error, int waitok) 1736 { 1737 device_t dv = arg; 1738 1739 wsdisplay_switch1(dv, error, waitok); 1740 } 1741 1742 static int 1743 wsdisplay_switch1(device_t dv, int error, int waitok) 1744 { 1745 struct wsdisplay_softc *sc = device_private(dv); 1746 int no; 1747 struct wsscreen *scr; 1748 1749 if (!(sc->sc_flags & SC_SWITCHPENDING)) { 1750 aprint_error_dev(dv, "wsdisplay_switch1: not switching\n"); 1751 return (EINVAL); 1752 } 1753 1754 no = sc->sc_screenwanted; 1755 if (no == WSDISPLAY_NULLSCREEN) { 1756 sc->sc_flags &= ~SC_SWITCHPENDING; 1757 if (!error) { 1758 sc->sc_focus = 0; 1759 } 1760 wakeup(sc); 1761 return (error); 1762 } 1763 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1764 panic("wsdisplay_switch1: invalid screen %d", no); 1765 scr = sc->sc_scr[no]; 1766 if (!scr) { 1767 aprint_error_dev(dv, "wsdisplay_switch1: screen %d disappeared\n", no); 1768 error = ENXIO; 1769 } 1770 1771 if (error) { 1772 sc->sc_flags &= ~SC_SWITCHPENDING; 1773 return (error); 1774 } 1775 1776 error = (*sc->sc_accessops->show_screen)(sc->sc_accesscookie, 1777 scr->scr_dconf->emulcookie, 1778 waitok, 1779 sc->sc_isconsole && wsdisplay_cons_pollmode ? 0 : wsdisplay_switch2_cb, dv); 1780 if (error == EAGAIN) { 1781 /* switch will be done asynchronously */ 1782 return (0); 1783 } 1784 1785 return (wsdisplay_switch2(dv, error, waitok)); 1786 } 1787 1788 int 1789 wsdisplay_switch(device_t dv, int no, int waitok) 1790 { 1791 struct wsdisplay_softc *sc = device_private(dv); 1792 int s, res = 0; 1793 struct wsscreen *scr; 1794 1795 if (no != WSDISPLAY_NULLSCREEN) { 1796 if ((no < 0 || no >= WSDISPLAY_MAXSCREEN)) 1797 return (EINVAL); 1798 if (sc->sc_scr[no] == NULL) 1799 return (ENXIO); 1800 } 1801 1802 wsdisplay_stat_inject(dv, WSCONS_EVENT_SCREEN_SWITCH, no); 1803 1804 s = spltty(); 1805 1806 if ((sc->sc_focus && no == sc->sc_focusidx) || 1807 (sc->sc_focus == NULL && no == WSDISPLAY_NULLSCREEN)) { 1808 splx(s); 1809 return (0); 1810 } 1811 1812 if (sc->sc_flags & SC_SWITCHPENDING) { 1813 splx(s); 1814 return (EBUSY); 1815 } 1816 1817 sc->sc_flags |= SC_SWITCHPENDING; 1818 sc->sc_screenwanted = no; 1819 1820 splx(s); 1821 1822 scr = sc->sc_focus; 1823 if (!scr) { 1824 sc->sc_oldscreen = WSDISPLAY_NULLSCREEN; 1825 return (wsdisplay_switch1(dv, 0, waitok)); 1826 } else 1827 sc->sc_oldscreen = sc->sc_focusidx; 1828 1829 if (scr->scr_syncops) { 1830 res = (*scr->scr_syncops->detach)(scr->scr_synccookie, waitok, 1831 sc->sc_isconsole && wsdisplay_cons_pollmode ? 0 : wsdisplay_switch1_cb, dv); 1832 if (res == EAGAIN) { 1833 /* switch will be done asynchronously */ 1834 return (0); 1835 } 1836 } else if (scr->scr_flags & SCR_GRAPHICS) { 1837 /* no way to save state */ 1838 res = EBUSY; 1839 } 1840 1841 return (wsdisplay_switch1(dv, res, waitok)); 1842 } 1843 1844 void 1845 wsdisplay_reset(device_t dv, enum wsdisplay_resetops op) 1846 { 1847 struct wsdisplay_softc *sc = device_private(dv); 1848 struct wsscreen *scr; 1849 1850 KASSERT(sc != NULL); 1851 scr = sc->sc_focus; 1852 1853 if (!scr) 1854 return; 1855 1856 switch (op) { 1857 case WSDISPLAY_RESETEMUL: 1858 if (!WSSCREEN_HAS_EMULATOR(scr)) 1859 break; 1860 (*scr->scr_dconf->wsemul->reset)(scr->scr_dconf->wsemulcookie, 1861 WSEMUL_RESET); 1862 break; 1863 case WSDISPLAY_RESETCLOSE: 1864 wsdisplay_closescreen(sc, scr); 1865 break; 1866 } 1867 } 1868 1869 /* 1870 * Interface for (external) VT switch / process synchronization code 1871 */ 1872 int 1873 wsscreen_attach_sync(struct wsscreen *scr, const struct wscons_syncops *ops, 1874 void *cookie) 1875 { 1876 if (scr->scr_syncops) { 1877 /* 1878 * The screen is already claimed. 1879 * Check if the owner is still alive. 1880 */ 1881 if ((*scr->scr_syncops->check)(scr->scr_synccookie)) 1882 return (EBUSY); 1883 } 1884 scr->scr_syncops = ops; 1885 scr->scr_synccookie = cookie; 1886 return (0); 1887 } 1888 1889 int 1890 wsscreen_detach_sync(struct wsscreen *scr) 1891 { 1892 if (!scr->scr_syncops) 1893 return (EINVAL); 1894 scr->scr_syncops = 0; 1895 return (0); 1896 } 1897 1898 int 1899 wsscreen_lookup_sync(struct wsscreen *scr, 1900 const struct wscons_syncops *ops, /* used as ID */ 1901 void **cookiep) 1902 { 1903 if (!scr->scr_syncops || ops != scr->scr_syncops) 1904 return (EINVAL); 1905 *cookiep = scr->scr_synccookie; 1906 return (0); 1907 } 1908 1909 /* 1910 * Interface to virtual screen stuff 1911 */ 1912 int 1913 wsdisplay_maxscreenidx(struct wsdisplay_softc *sc) 1914 { 1915 return (WSDISPLAY_MAXSCREEN - 1); 1916 } 1917 1918 int 1919 wsdisplay_screenstate(struct wsdisplay_softc *sc, int idx) 1920 { 1921 if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN) 1922 return (EINVAL); 1923 if (!sc->sc_scr[idx]) 1924 return (ENXIO); 1925 return ((sc->sc_scr[idx]->scr_flags & SCR_OPEN) ? EBUSY : 0); 1926 } 1927 1928 int 1929 wsdisplay_getactivescreen(struct wsdisplay_softc *sc) 1930 { 1931 return (sc->sc_focus ? sc->sc_focusidx : WSDISPLAY_NULLSCREEN); 1932 } 1933 1934 int 1935 wsscreen_switchwait(struct wsdisplay_softc *sc, int no) 1936 { 1937 struct wsscreen *scr; 1938 int s, res = 0; 1939 1940 if (no == WSDISPLAY_NULLSCREEN) { 1941 s = spltty(); 1942 while (sc->sc_focus && res == 0) { 1943 res = tsleep(sc, PCATCH, "wswait", 0); 1944 } 1945 splx(s); 1946 return (res); 1947 } 1948 1949 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1950 return (ENXIO); 1951 scr = sc->sc_scr[no]; 1952 if (!scr) 1953 return (ENXIO); 1954 1955 s = spltty(); 1956 if (scr != sc->sc_focus) { 1957 scr->scr_flags |= SCR_WAITACTIVE; 1958 res = tsleep(scr, PCATCH, "wswait", 0); 1959 if (scr != sc->sc_scr[no]) 1960 res = ENXIO; /* disappeared in the meantime */ 1961 else 1962 scr->scr_flags &= ~SCR_WAITACTIVE; 1963 } 1964 splx(s); 1965 return (res); 1966 } 1967 1968 void 1969 wsdisplay_kbdholdscreen(device_t dv, int hold) 1970 { 1971 struct wsdisplay_softc *sc = device_private(dv); 1972 struct wsscreen *scr; 1973 1974 scr = sc->sc_focus; 1975 1976 if (hold) 1977 scr->scr_hold_screen = 1; 1978 else { 1979 scr->scr_hold_screen = 0; 1980 callout_schedule(&scr->scr_tty->t_rstrt_ch, 0); 1981 } 1982 } 1983 1984 #if NWSKBD > 0 1985 void 1986 wsdisplay_set_console_kbd(struct wsevsrc *src) 1987 { 1988 if (wsdisplay_console_device == NULL) { 1989 src->me_dispdv = NULL; 1990 return; 1991 } 1992 #if NWSMUX > 0 1993 if (wsmux_attach_sc((struct wsmux_softc *) 1994 wsdisplay_console_device->sc_input, src)) { 1995 src->me_dispdv = NULL; 1996 return; 1997 } 1998 #else 1999 wsdisplay_console_device->sc_input = src; 2000 #endif 2001 src->me_dispdv = wsdisplay_console_device->sc_dev; 2002 } 2003 #endif /* NWSKBD > 0 */ 2004 2005 /* 2006 * Console interface. 2007 */ 2008 void 2009 wsdisplay_cnputc(dev_t dev, int i) 2010 { 2011 struct wsscreen_internal *dc; 2012 u_char c = i; 2013 2014 if (!wsdisplay_console_initted) 2015 return; 2016 2017 if ((wsdisplay_console_device != NULL) && 2018 (wsdisplay_console_device->sc_scr[0] != NULL) && 2019 (wsdisplay_console_device->sc_scr[0]->scr_flags & SCR_GRAPHICS)) 2020 return; 2021 2022 dc = &wsdisplay_console_conf; 2023 (*dc->wsemul->output)(dc->wsemulcookie, &c, 1, 1); 2024 } 2025 2026 static int 2027 wsdisplay_getc_dummy(dev_t dev) 2028 { 2029 /* panic? */ 2030 return (0); 2031 } 2032 2033 static void 2034 wsdisplay_pollc(dev_t dev, int on) 2035 { 2036 2037 wsdisplay_cons_pollmode = on; 2038 2039 /* notify to fb drivers */ 2040 if (wsdisplay_console_device != NULL && 2041 wsdisplay_console_device->sc_accessops->pollc != NULL) 2042 (*wsdisplay_console_device->sc_accessops->pollc) 2043 (wsdisplay_console_device->sc_accesscookie, on); 2044 2045 /* notify to kbd drivers */ 2046 if (wsdisplay_cons_kbd_pollc) 2047 (*wsdisplay_cons_kbd_pollc)(NODEV, on); 2048 } 2049 2050 void 2051 wsdisplay_set_cons_kbd(int (*get)(dev_t), void (*poll)(dev_t, int), 2052 void (*bell)(dev_t, u_int, u_int, u_int)) 2053 { 2054 wsdisplay_cons.cn_getc = get; 2055 wsdisplay_cons.cn_bell = bell; 2056 wsdisplay_cons_kbd_pollc = poll; 2057 } 2058 2059 void 2060 wsdisplay_unset_cons_kbd(void) 2061 { 2062 wsdisplay_cons.cn_getc = wsdisplay_getc_dummy; 2063 wsdisplay_cons.cn_bell = NULL; 2064 wsdisplay_cons_kbd_pollc = 0; 2065 } 2066 2067 /* 2068 * Switch the console display to it's first screen. 2069 */ 2070 void 2071 wsdisplay_switchtoconsole(void) 2072 { 2073 struct wsdisplay_softc *sc; 2074 struct wsscreen *scr; 2075 2076 if (wsdisplay_console_device != NULL) { 2077 sc = wsdisplay_console_device; 2078 if ((scr = sc->sc_scr[0]) == NULL) 2079 return; 2080 (*sc->sc_accessops->show_screen)(sc->sc_accesscookie, 2081 scr->scr_dconf->emulcookie, 2082 0, NULL, NULL); 2083 } 2084 } 2085 2086 /* 2087 * Switch the console at shutdown. 2088 */ 2089 static void 2090 wsdisplay_shutdownhook(void *arg) 2091 { 2092 2093 wsdisplay_switchtoconsole(); 2094 } 2095
Indexes created Thu Oct 16 14:10:15 GMT 2025