wsdisplay.c revision 1.108.14.4
1 /* $NetBSD: wsdisplay.c,v 1.108.14.4 2007/11/21 21:55:52 joerg 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 1.108.14.4 2007/11/21 21:55:52 joerg 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 static void wsdisplay_switchto(int); 112 113 #define WSDISPLAY_MAXSCREEN 8 114 115 struct wsdisplay_softc { 116 device_t sc_dev; 117 118 const struct wsdisplay_accessops *sc_accessops; 119 void *sc_accesscookie; 120 121 const struct wsscreen_list *sc_scrdata; 122 #ifdef WSDISPLAY_SCROLLSUPPORT 123 struct wsdisplay_scroll_data sc_scroll_values; 124 #endif 125 126 struct wsscreen *sc_scr[WSDISPLAY_MAXSCREEN]; 127 int sc_focusidx; /* available only if sc_focus isn't null */ 128 struct wsscreen *sc_focus; 129 130 struct wseventvar evar; 131 132 int sc_isconsole; 133 134 int sc_flags; 135 #define SC_SWITCHPENDING 1 136 int sc_screenwanted, sc_oldscreen; /* valid with SC_SWITCHPENDING */ 137 138 #if NWSKBD > 0 139 struct wsevsrc *sc_input; 140 #ifdef WSDISPLAY_COMPAT_RAWKBD 141 int sc_rawkbd; 142 #endif 143 #endif /* NWSKBD > 0 */ 144 }; 145 146 #ifdef WSDISPLAY_SCROLLSUPPORT 147 148 struct wsdisplay_scroll_data wsdisplay_default_scroll_values = { 149 WSDISPLAY_SCROLL_DOALL, 150 25, 151 2, 152 }; 153 #endif 154 155 extern struct cfdriver wsdisplay_cd; 156 157 /* Autoconfiguration definitions. */ 158 static int wsdisplay_emul_match(device_t , struct cfdata *, void *); 159 static void wsdisplay_emul_attach(device_t, device_t, void *); 160 static int wsdisplay_noemul_match(device_t, struct cfdata *, void *); 161 static void wsdisplay_noemul_attach(device_t, device_t, void *); 162 static bool wsdisplay_resume(device_t dv); 163 static bool wsdisplay_suspend(device_t dv); 164 165 CFATTACH_DECL_NEW(wsdisplay_emul, sizeof (struct wsdisplay_softc), 166 wsdisplay_emul_match, wsdisplay_emul_attach, NULL, NULL); 167 168 CFATTACH_DECL_NEW(wsdisplay_noemul, sizeof (struct wsdisplay_softc), 169 wsdisplay_noemul_match, wsdisplay_noemul_attach, NULL, NULL); 170 171 dev_type_open(wsdisplayopen); 172 dev_type_close(wsdisplayclose); 173 dev_type_read(wsdisplayread); 174 dev_type_write(wsdisplaywrite); 175 dev_type_ioctl(wsdisplayioctl); 176 dev_type_stop(wsdisplaystop); 177 dev_type_tty(wsdisplaytty); 178 dev_type_poll(wsdisplaypoll); 179 dev_type_mmap(wsdisplaymmap); 180 dev_type_kqfilter(wsdisplaykqfilter); 181 182 const struct cdevsw wsdisplay_cdevsw = { 183 wsdisplayopen, wsdisplayclose, wsdisplayread, wsdisplaywrite, 184 wsdisplayioctl, wsdisplaystop, wsdisplaytty, wsdisplaypoll, 185 wsdisplaymmap, wsdisplaykqfilter, D_TTY 186 }; 187 188 static void wsdisplaystart(struct tty *); 189 static int wsdisplayparam(struct tty *, struct termios *); 190 191 192 #define WSDISPLAYUNIT(dev) (minor(dev) >> 8) 193 #define WSDISPLAYSCREEN(dev) (minor(dev) & 0xff) 194 #define ISWSDISPLAYSTAT(dev) (WSDISPLAYSCREEN(dev) == 254) 195 #define ISWSDISPLAYCTL(dev) (WSDISPLAYSCREEN(dev) == 255) 196 #define WSDISPLAYMINOR(unit, screen) (((unit) << 8) | (screen)) 197 198 #define WSSCREEN_HAS_EMULATOR(scr) ((scr)->scr_dconf->wsemul != NULL) 199 #define WSSCREEN_HAS_TTY(scr) ((scr)->scr_tty != NULL) 200 201 static void wsdisplay_common_attach(struct wsdisplay_softc *sc, 202 int console, int kbdmux, const struct wsscreen_list *, 203 const struct wsdisplay_accessops *accessops, 204 void *accesscookie); 205 206 #ifdef WSDISPLAY_COMPAT_RAWKBD 207 int wsdisplay_update_rawkbd(struct wsdisplay_softc *, 208 struct wsscreen *); 209 #endif 210 211 static int wsdisplay_console_initted; 212 static int wsdisplay_console_attached; 213 static struct wsdisplay_softc *wsdisplay_console_device; 214 static struct wsscreen_internal wsdisplay_console_conf; 215 216 static int wsdisplay_getc_dummy(dev_t); 217 static void wsdisplay_pollc(dev_t, int); 218 219 static int wsdisplay_cons_pollmode; 220 static void (*wsdisplay_cons_kbd_pollc)(dev_t, int); 221 222 static struct consdev wsdisplay_cons = { 223 NULL, NULL, wsdisplay_getc_dummy, wsdisplay_cnputc, 224 wsdisplay_pollc, NULL, NULL, NULL, NODEV, CN_NORMAL 225 }; 226 227 #ifndef WSDISPLAY_DEFAULTSCREENS 228 # define WSDISPLAY_DEFAULTSCREENS 0 229 #endif 230 int wsdisplay_defaultscreens = WSDISPLAY_DEFAULTSCREENS; 231 232 static int wsdisplay_switch1(device_t, int, int); 233 static void wsdisplay_switch1_cb(void *, int, int); 234 static int wsdisplay_switch2(device_t, int, int); 235 static void wsdisplay_switch2_cb(void *, int, int); 236 static int wsdisplay_switch3(device_t, int, int); 237 static void wsdisplay_switch3_cb(void *, int, int); 238 239 int wsdisplay_clearonclose; 240 241 struct wsscreen * 242 wsscreen_attach(struct wsdisplay_softc *sc, int console, const char *emul, 243 const struct wsscreen_descr *type, void *cookie, int ccol, 244 int crow, long defattr) 245 { 246 struct wsscreen_internal *dconf; 247 struct wsscreen *scr; 248 249 scr = malloc(sizeof(struct wsscreen), M_DEVBUF, M_WAITOK); 250 if (!scr) 251 return (NULL); 252 253 if (console) { 254 dconf = &wsdisplay_console_conf; 255 /* 256 * If there's an emulation, tell it about the callback argument. 257 * The other stuff is already there. 258 */ 259 if (dconf->wsemul != NULL) 260 (*dconf->wsemul->attach)(1, 0, 0, 0, 0, scr, 0); 261 } else { /* not console */ 262 dconf = malloc(sizeof(struct wsscreen_internal), 263 M_DEVBUF, M_NOWAIT); 264 dconf->emulops = type->textops; 265 dconf->emulcookie = cookie; 266 if (dconf->emulops) { 267 dconf->wsemul = wsemul_pick(emul); 268 if (dconf->wsemul == NULL) { 269 free(dconf, M_DEVBUF); 270 free(scr, M_DEVBUF); 271 return (NULL); 272 } 273 dconf->wsemulcookie = 274 (*dconf->wsemul->attach)(0, type, cookie, 275 ccol, crow, scr, defattr); 276 } else 277 dconf->wsemul = NULL; 278 dconf->scrdata = type; 279 } 280 281 scr->scr_dconf = dconf; 282 283 scr->scr_tty = ttymalloc(); 284 tty_attach(scr->scr_tty); 285 scr->scr_hold_screen = 0; 286 if (WSSCREEN_HAS_EMULATOR(scr)) 287 scr->scr_flags = 0; 288 else 289 scr->scr_flags = SCR_GRAPHICS; 290 291 scr->scr_syncops = 0; 292 scr->sc = sc; 293 #ifdef WSDISPLAY_COMPAT_RAWKBD 294 scr->scr_rawkbd = 0; 295 #endif 296 return (scr); 297 } 298 299 void 300 wsscreen_detach(struct wsscreen *scr) 301 { 302 u_int ccol, crow; /* XXX */ 303 304 if (WSSCREEN_HAS_TTY(scr)) { 305 tty_detach(scr->scr_tty); 306 ttyfree(scr->scr_tty); 307 } 308 if (WSSCREEN_HAS_EMULATOR(scr)) 309 (*scr->scr_dconf->wsemul->detach)(scr->scr_dconf->wsemulcookie, 310 &ccol, &crow); 311 free(scr->scr_dconf, M_DEVBUF); 312 free(scr, M_DEVBUF); 313 } 314 315 const struct wsscreen_descr * 316 wsdisplay_screentype_pick(const struct wsscreen_list *scrdata, const char *name) 317 { 318 int i; 319 const struct wsscreen_descr *scr; 320 321 KASSERT(scrdata->nscreens > 0); 322 323 if (name == NULL) 324 return (scrdata->screens[0]); 325 326 for (i = 0; i < scrdata->nscreens; i++) { 327 scr = scrdata->screens[i]; 328 if (!strcmp(name, scr->name)) 329 return (scr); 330 } 331 332 return (0); 333 } 334 335 /* 336 * print info about attached screen 337 */ 338 static void 339 wsdisplay_addscreen_print(struct wsdisplay_softc *sc, int idx, int count) 340 { 341 aprint_verbose_dev(sc->sc_dev, "screen %d", idx); 342 if (count > 1) 343 aprint_verbose("-%d", idx + (count-1)); 344 aprint_verbose(" added (%s", sc->sc_scr[idx]->scr_dconf->scrdata->name); 345 if (WSSCREEN_HAS_EMULATOR(sc->sc_scr[idx])) { 346 aprint_verbose(", %s emulation", 347 sc->sc_scr[idx]->scr_dconf->wsemul->name); 348 } 349 aprint_verbose(")\n"); 350 } 351 352 int 353 wsdisplay_addscreen(struct wsdisplay_softc *sc, int idx, 354 const char *screentype, const char *emul) 355 { 356 const struct wsscreen_descr *scrdesc; 357 int error; 358 void *cookie; 359 int ccol, crow; 360 long defattr; 361 struct wsscreen *scr; 362 int s; 363 364 if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN) 365 return (EINVAL); 366 if (sc->sc_scr[idx] != NULL) 367 return (EBUSY); 368 369 scrdesc = wsdisplay_screentype_pick(sc->sc_scrdata, screentype); 370 if (!scrdesc) 371 return (ENXIO); 372 error = (*sc->sc_accessops->alloc_screen)(sc->sc_accesscookie, 373 scrdesc, &cookie, &ccol, &crow, &defattr); 374 if (error) 375 return (error); 376 377 scr = wsscreen_attach(sc, 0, emul, scrdesc, 378 cookie, ccol, crow, defattr); 379 if (scr == NULL) { 380 (*sc->sc_accessops->free_screen)(sc->sc_accesscookie, 381 cookie); 382 return (ENXIO); 383 } 384 385 sc->sc_scr[idx] = scr; 386 387 /* if no screen has focus yet, activate the first we get */ 388 s = spltty(); 389 if (!sc->sc_focus) { 390 (*sc->sc_accessops->show_screen)(sc->sc_accesscookie, 391 scr->scr_dconf->emulcookie, 392 0, 0, 0); 393 sc->sc_focusidx = idx; 394 sc->sc_focus = scr; 395 } 396 splx(s); 397 return (0); 398 } 399 400 static void 401 wsdisplay_closescreen(struct wsdisplay_softc *sc, struct wsscreen *scr) 402 { 403 int maj, mn, idx; 404 405 /* hangup */ 406 if (WSSCREEN_HAS_TTY(scr)) { 407 struct tty *tp = scr->scr_tty; 408 (*tp->t_linesw->l_modem)(tp, 0); 409 } 410 411 /* locate the major number */ 412 maj = cdevsw_lookup_major(&wsdisplay_cdevsw); 413 /* locate the screen index */ 414 for (idx = 0; idx < WSDISPLAY_MAXSCREEN; idx++) 415 if (scr == sc->sc_scr[idx]) 416 break; 417 #ifdef DIAGNOSTIC 418 if (idx == WSDISPLAY_MAXSCREEN) 419 panic("wsdisplay_forceclose: bad screen"); 420 #endif 421 422 /* nuke the vnodes */ 423 mn = WSDISPLAYMINOR(device_unit(sc->sc_dev), idx); 424 vdevgone(maj, mn, mn, VCHR); 425 } 426 427 #ifdef WSDISPLAY_SCROLLSUPPORT 428 void 429 wsdisplay_scroll(void *arg, int op) 430 { 431 device_t dv = arg; 432 struct wsdisplay_softc *sc = device_private(dv); 433 struct wsscreen *scr; 434 int lines; 435 436 scr = sc->sc_focus; 437 438 if (!scr) 439 return; 440 441 if (op == WSDISPLAY_SCROLL_RESET) 442 lines = 0; 443 else { 444 lines = (op & WSDISPLAY_SCROLL_LOW) ? 445 sc->sc_scroll_values.slowlines : 446 sc->sc_scroll_values.fastlines; 447 if (op & WSDISPLAY_SCROLL_BACKWARD) 448 lines = -(lines); 449 } 450 451 if (sc->sc_accessops->scroll) { 452 (*sc->sc_accessops->scroll)(sc->sc_accesscookie, 453 sc->sc_focus->scr_dconf->emulcookie, lines); 454 } 455 } 456 #endif 457 458 int 459 wsdisplay_delscreen(struct wsdisplay_softc *sc, int idx, int flags) 460 { 461 struct wsscreen *scr; 462 int s; 463 void *cookie; 464 465 if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN) 466 return (EINVAL); 467 if ((scr = sc->sc_scr[idx]) == NULL) 468 return (ENXIO); 469 470 if (scr->scr_dconf == &wsdisplay_console_conf || 471 scr->scr_syncops || 472 ((scr->scr_flags & SCR_OPEN) && !(flags & WSDISPLAY_DELSCR_FORCE))) 473 return(EBUSY); 474 475 wsdisplay_closescreen(sc, scr); 476 477 /* 478 * delete pointers, so neither device entries 479 * nor keyboard input can reference it anymore 480 */ 481 s = spltty(); 482 if (sc->sc_focus == scr) { 483 sc->sc_focus = 0; 484 #ifdef WSDISPLAY_COMPAT_RAWKBD 485 wsdisplay_update_rawkbd(sc, 0); 486 #endif 487 } 488 sc->sc_scr[idx] = 0; 489 splx(s); 490 491 /* 492 * Wake up processes waiting for the screen to 493 * be activated. Sleepers must check whether 494 * the screen still exists. 495 */ 496 if (scr->scr_flags & SCR_WAITACTIVE) 497 wakeup(scr); 498 499 /* save a reference to the graphics screen */ 500 cookie = scr->scr_dconf->emulcookie; 501 502 wsscreen_detach(scr); 503 504 (*sc->sc_accessops->free_screen)(sc->sc_accesscookie, 505 cookie); 506 507 aprint_verbose_dev(sc->sc_dev, "screen %d deleted\n", idx); 508 return (0); 509 } 510 511 /* 512 * Autoconfiguration functions. 513 */ 514 int 515 wsdisplay_emul_match(device_t parent, struct cfdata *match, void *aux) 516 { 517 struct wsemuldisplaydev_attach_args *ap = aux; 518 519 if (match->wsemuldisplaydevcf_console != 520 WSEMULDISPLAYDEVCF_CONSOLE_UNK) { 521 /* 522 * If console-ness of device specified, either match 523 * exactly (at high priority), or fail. 524 */ 525 if (match->wsemuldisplaydevcf_console != 0 && 526 ap->console != 0) 527 return (10); 528 else 529 return (0); 530 } 531 532 /* If console-ness unspecified, it wins. */ 533 return (1); 534 } 535 536 void 537 wsdisplay_emul_attach(device_t parent, device_t self, void *aux) 538 { 539 struct wsdisplay_softc *sc = device_private(self); 540 struct wsemuldisplaydev_attach_args *ap = aux; 541 542 sc->sc_dev = self; 543 544 /* Don't allow more than one console to attach */ 545 if (wsdisplay_console_attached && ap->console) 546 ap->console = 0; 547 548 wsdisplay_common_attach(sc, ap->console, 549 device_cfdata(self)->wsemuldisplaydevcf_kbdmux, ap->scrdata, 550 ap->accessops, ap->accesscookie); 551 552 if (ap->console) { 553 int maj; 554 555 /* locate the major number */ 556 maj = cdevsw_lookup_major(&wsdisplay_cdevsw); 557 558 cn_tab->cn_dev = makedev(maj, WSDISPLAYMINOR(device_unit(self), 559 0)); 560 } 561 } 562 563 /* Print function (for parent devices). */ 564 int 565 wsemuldisplaydevprint(void *aux, const char *pnp) 566 { 567 #if 0 /* -Wunused */ 568 struct wsemuldisplaydev_attach_args *ap = aux; 569 #endif 570 571 if (pnp) 572 aprint_normal("wsdisplay at %s", pnp); 573 #if 0 /* don't bother; it's ugly */ 574 aprint_normal(" console %d", ap->console); 575 #endif 576 577 return (UNCONF); 578 } 579 580 int 581 wsdisplay_noemul_match(device_t parent, struct cfdata *match, void *aux) 582 { 583 #if 0 /* -Wunused */ 584 struct wsdisplaydev_attach_args *ap = aux; 585 #endif 586 587 /* Always match. */ 588 return (1); 589 } 590 591 void 592 wsdisplay_noemul_attach(device_t parent, device_t self, void *aux) 593 { 594 struct wsdisplay_softc *sc = device_private(self); 595 struct wsdisplaydev_attach_args *ap = aux; 596 597 sc->sc_dev = self; 598 599 wsdisplay_common_attach(sc, 0, 600 device_cfdata(self)->wsemuldisplaydevcf_kbdmux, NULL, 601 ap->accessops, ap->accesscookie); 602 } 603 604 static bool 605 wsdisplay_suspend(device_t dv) 606 { 607 wsdisplay_switchtoconsole(); 608 609 return true; 610 } 611 612 static bool 613 wsdisplay_resume(device_t dv) 614 { 615 616 return true; 617 } 618 619 /* Print function (for parent devices). */ 620 int 621 wsdisplaydevprint(void *aux, const char *pnp) 622 { 623 #if 0 /* -Wunused */ 624 struct wsdisplaydev_attach_args *ap = aux; 625 #endif 626 627 if (pnp) 628 aprint_normal("wsdisplay at %s", pnp); 629 630 return (UNCONF); 631 } 632 633 static void 634 wsdisplay_common_attach(struct wsdisplay_softc *sc, int console, int kbdmux, 635 const struct wsscreen_list *scrdata, 636 const struct wsdisplay_accessops *accessops, 637 void *accesscookie) 638 { 639 static int hookset; 640 int i, start=0; 641 #if NWSKBD > 0 642 struct wsevsrc *kme; 643 #if NWSMUX > 0 644 struct wsmux_softc *mux; 645 646 if (kbdmux >= 0) 647 mux = wsmux_getmux(kbdmux); 648 else 649 mux = wsmux_create("dmux", device_unit(sc->sc_dev)); 650 /* XXX panic()ing isn't nice, but attach cannot fail */ 651 if (mux == NULL) 652 panic("wsdisplay_common_attach: no memory"); 653 sc->sc_input = &mux->sc_base; 654 mux->sc_base.me_dispdv = sc->sc_dev; 655 aprint_normal(" kbdmux %d", kbdmux); 656 #else 657 if (kbdmux >= 0) 658 aprint_normal(" (kbdmux ignored)"); 659 #endif 660 #endif 661 662 sc->sc_isconsole = console; 663 664 if (console) { 665 KASSERT(wsdisplay_console_initted); 666 KASSERT(wsdisplay_console_device == NULL); 667 668 sc->sc_scr[0] = wsscreen_attach(sc, 1, 0, 0, 0, 0, 0, 0); 669 wsdisplay_console_device = sc; 670 671 aprint_normal(": console (%s, %s emulation)", 672 wsdisplay_console_conf.scrdata->name, 673 wsdisplay_console_conf.wsemul->name); 674 675 #if NWSKBD > 0 676 kme = wskbd_set_console_display(sc->sc_dev, sc->sc_input); 677 if (kme != NULL) 678 aprint_normal(", using %s", kme->me_dv.dv_xname); 679 #if NWSMUX == 0 680 sc->sc_input = kme; 681 #endif 682 #endif 683 684 sc->sc_focusidx = 0; 685 sc->sc_focus = sc->sc_scr[0]; 686 start = 1; 687 688 wsdisplay_console_attached = 1; 689 } 690 aprint_normal("\n"); 691 692 #if NWSKBD > 0 && NWSMUX > 0 693 wsmux_set_display(mux, sc->sc_dev); 694 #endif 695 696 sc->sc_accessops = accessops; 697 sc->sc_accesscookie = accesscookie; 698 sc->sc_scrdata = scrdata; 699 700 #ifdef WSDISPLAY_SCROLLSUPPORT 701 sc->sc_scroll_values = wsdisplay_default_scroll_values; 702 #endif 703 704 /* 705 * Set up a number of virtual screens if wanted. The 706 * WSDISPLAYIO_ADDSCREEN ioctl is more flexible, so this code 707 * is for special cases like installation kernels. 708 */ 709 for (i = start; i < wsdisplay_defaultscreens; i++) { 710 if (wsdisplay_addscreen(sc, i, 0, 0)) 711 break; 712 } 713 714 if (i > start) 715 wsdisplay_addscreen_print(sc, start, i-start); 716 717 if (!pnp_device_register(sc->sc_dev, wsdisplay_suspend, wsdisplay_resume)) 718 aprint_error_dev(sc->sc_dev, "couldn't establish power handler\n"); 719 720 if (hookset == 0) 721 shutdownhook_establish(wsdisplay_shutdownhook, NULL); 722 hookset = 1; 723 } 724 725 void 726 wsdisplay_cnattach(const struct wsscreen_descr *type, void *cookie, 727 int ccol, int crow, long defattr) 728 { 729 const struct wsemul_ops *wsemul; 730 731 KASSERT(wsdisplay_console_initted < 2); 732 KASSERT(type->nrows > 0); 733 KASSERT(type->ncols > 0); 734 KASSERT(crow < type->nrows); 735 KASSERT(ccol < type->ncols); 736 737 wsdisplay_console_conf.emulops = type->textops; 738 wsdisplay_console_conf.emulcookie = cookie; 739 wsdisplay_console_conf.scrdata = type; 740 741 wsemul = wsemul_pick(0); /* default */ 742 wsdisplay_console_conf.wsemul = wsemul; 743 wsdisplay_console_conf.wsemulcookie = (*wsemul->cnattach)(type, cookie, 744 ccol, crow, 745 defattr); 746 747 cn_tab = &wsdisplay_cons; 748 wsdisplay_console_initted = 2; 749 } 750 751 void 752 wsdisplay_preattach(const struct wsscreen_descr *type, void *cookie, 753 int ccol, int crow, long defattr) 754 { 755 const struct wsemul_ops *wsemul; 756 757 KASSERT(!wsdisplay_console_initted); 758 KASSERT(type->nrows > 0); 759 KASSERT(type->ncols > 0); 760 KASSERT(crow < type->nrows); 761 KASSERT(ccol < type->ncols); 762 763 wsdisplay_console_conf.emulops = type->textops; 764 wsdisplay_console_conf.emulcookie = cookie; 765 wsdisplay_console_conf.scrdata = type; 766 767 wsemul = wsemul_pick(0); /* default */ 768 wsdisplay_console_conf.wsemul = wsemul; 769 wsdisplay_console_conf.wsemulcookie = (*wsemul->cnattach)(type, cookie, 770 ccol, crow, 771 defattr); 772 773 cn_tab = &wsdisplay_cons; 774 wsdisplay_console_initted = 1; 775 } 776 777 /* 778 * Tty and cdevsw functions. 779 */ 780 int 781 wsdisplayopen(dev_t dev, int flag, int mode, struct lwp *l) 782 { 783 device_t dv; 784 struct wsdisplay_softc *sc; 785 struct tty *tp; 786 int newopen, error; 787 struct wsscreen *scr; 788 789 dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 790 if (dv == NULL) /* make sure it was attached */ 791 return (ENXIO); 792 793 sc = device_private(dv); 794 795 if (ISWSDISPLAYSTAT(dev)) { 796 wsevent_init(&sc->evar, l->l_proc); 797 return (0); 798 } 799 800 if (ISWSDISPLAYCTL(dev)) 801 return (0); 802 803 if (WSDISPLAYSCREEN(dev) >= WSDISPLAY_MAXSCREEN) 804 return (ENXIO); 805 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 806 return (ENXIO); 807 808 if (WSSCREEN_HAS_TTY(scr)) { 809 tp = scr->scr_tty; 810 tp->t_oproc = wsdisplaystart; 811 tp->t_param = wsdisplayparam; 812 tp->t_dev = dev; 813 newopen = (tp->t_state & TS_ISOPEN) == 0; 814 815 if (kauth_authorize_device_tty(l->l_cred, 816 KAUTH_DEVICE_TTY_OPEN, tp)) 817 return (EBUSY); 818 819 if (newopen) { 820 ttychars(tp); 821 tp->t_iflag = TTYDEF_IFLAG; 822 tp->t_oflag = TTYDEF_OFLAG; 823 tp->t_cflag = TTYDEF_CFLAG; 824 tp->t_lflag = TTYDEF_LFLAG; 825 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 826 wsdisplayparam(tp, &tp->t_termios); 827 ttsetwater(tp); 828 } 829 tp->t_state |= TS_CARR_ON; 830 831 error = ((*tp->t_linesw->l_open)(dev, tp)); 832 if (error) 833 return (error); 834 835 if (newopen && WSSCREEN_HAS_EMULATOR(scr)) { 836 /* set window sizes as appropriate, and reset 837 the emulation */ 838 tp->t_winsize.ws_row = scr->scr_dconf->scrdata->nrows; 839 tp->t_winsize.ws_col = scr->scr_dconf->scrdata->ncols; 840 841 /* wsdisplay_set_emulation() */ 842 } 843 } 844 845 scr->scr_flags |= SCR_OPEN; 846 return (0); 847 } 848 849 int 850 wsdisplayclose(dev_t dev, int flag, int mode, struct lwp *l) 851 { 852 device_t dv; 853 struct wsdisplay_softc *sc; 854 struct tty *tp; 855 struct wsscreen *scr; 856 857 dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 858 sc = device_private(dv); 859 860 if (ISWSDISPLAYSTAT(dev)) { 861 wsevent_fini(&sc->evar); 862 return (0); 863 } 864 865 if (ISWSDISPLAYCTL(dev)) 866 return (0); 867 868 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 869 return (0); 870 871 if (WSSCREEN_HAS_TTY(scr)) { 872 if (scr->scr_hold_screen) { 873 int s; 874 875 /* XXX RESET KEYBOARD LEDS, etc. */ 876 s = spltty(); /* avoid conflict with keyboard */ 877 wsdisplay_kbdholdscreen(dv, 0); 878 splx(s); 879 } 880 tp = scr->scr_tty; 881 (*tp->t_linesw->l_close)(tp, flag); 882 ttyclose(tp); 883 } 884 885 if (scr->scr_syncops) 886 (*scr->scr_syncops->destroy)(scr->scr_synccookie); 887 888 if (WSSCREEN_HAS_EMULATOR(scr)) { 889 scr->scr_flags &= ~SCR_GRAPHICS; 890 (*scr->scr_dconf->wsemul->reset)(scr->scr_dconf->wsemulcookie, 891 WSEMUL_RESET); 892 if (wsdisplay_clearonclose) 893 (*scr->scr_dconf->wsemul->reset) 894 (scr->scr_dconf->wsemulcookie, 895 WSEMUL_CLEARSCREEN); 896 } 897 898 #ifdef WSDISPLAY_COMPAT_RAWKBD 899 if (scr->scr_rawkbd) { 900 int kbmode = WSKBD_TRANSLATED; 901 (void)wsdisplay_internal_ioctl(sc, scr, WSKBDIO_SETMODE, 902 (void *)&kbmode, 0, l); 903 } 904 #endif 905 906 scr->scr_flags &= ~SCR_OPEN; 907 908 return (0); 909 } 910 911 int 912 wsdisplayread(dev_t dev, struct uio *uio, int flag) 913 { 914 device_t dv; 915 struct wsdisplay_softc *sc; 916 struct tty *tp; 917 struct wsscreen *scr; 918 int error; 919 920 dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 921 sc = device_private(dv); 922 923 if (ISWSDISPLAYSTAT(dev)) { 924 error = wsevent_read(&sc->evar, uio, flag); 925 return (error); 926 } 927 928 if (ISWSDISPLAYCTL(dev)) 929 return (0); 930 931 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 932 return (ENXIO); 933 934 if (!WSSCREEN_HAS_TTY(scr)) 935 return (ENODEV); 936 937 tp = scr->scr_tty; 938 return ((*tp->t_linesw->l_read)(tp, uio, flag)); 939 } 940 941 int 942 wsdisplaywrite(dev_t dev, struct uio *uio, int flag) 943 { 944 device_t dv; 945 struct wsdisplay_softc *sc; 946 struct tty *tp; 947 struct wsscreen *scr; 948 949 dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 950 sc = device_private(dv); 951 952 if (ISWSDISPLAYSTAT(dev)) { 953 return (0); 954 } 955 956 if (ISWSDISPLAYCTL(dev)) 957 return (0); 958 959 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 960 return (ENXIO); 961 962 if (!WSSCREEN_HAS_TTY(scr)) 963 return (ENODEV); 964 965 tp = scr->scr_tty; 966 return ((*tp->t_linesw->l_write)(tp, uio, flag)); 967 } 968 969 int 970 wsdisplaypoll(dev_t dev, int events, struct lwp *l) 971 { 972 device_t dv; 973 struct wsdisplay_softc *sc; 974 struct tty *tp; 975 struct wsscreen *scr; 976 977 dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 978 sc = device_private(dv); 979 980 if (ISWSDISPLAYSTAT(dev)) 981 return (wsevent_poll(&sc->evar, events, l)); 982 983 if (ISWSDISPLAYCTL(dev)) 984 return (0); 985 986 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 987 return (POLLHUP); 988 989 if (!WSSCREEN_HAS_TTY(scr)) 990 return (POLLERR); 991 992 tp = scr->scr_tty; 993 return ((*tp->t_linesw->l_poll)(tp, events, l)); 994 } 995 996 int 997 wsdisplaykqfilter(dev_t dev, struct knote *kn) 998 { 999 device_t dv; 1000 struct wsdisplay_softc *sc; 1001 struct wsscreen *scr; 1002 1003 dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 1004 sc = device_private(dv); 1005 1006 if (ISWSDISPLAYCTL(dev)) 1007 return (1); 1008 1009 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 1010 return (1); 1011 1012 1013 if (WSSCREEN_HAS_TTY(scr)) 1014 return (ttykqfilter(dev, kn)); 1015 else 1016 return (1); 1017 } 1018 1019 struct tty * 1020 wsdisplaytty(dev_t dev) 1021 { 1022 device_t dv; 1023 struct wsdisplay_softc *sc; 1024 struct wsscreen *scr; 1025 1026 dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 1027 sc = device_private(dv); 1028 1029 if (ISWSDISPLAYSTAT(dev)) 1030 panic("wsdisplaytty() on status device"); 1031 1032 if (ISWSDISPLAYCTL(dev)) 1033 panic("wsdisplaytty() on ctl device"); 1034 1035 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 1036 return NULL; 1037 1038 return (scr->scr_tty); 1039 } 1040 1041 int 1042 wsdisplayioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l) 1043 { 1044 device_t dv; 1045 struct wsdisplay_softc *sc; 1046 struct tty *tp; 1047 int error; 1048 struct wsscreen *scr; 1049 1050 dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 1051 sc = device_private(dv); 1052 1053 #ifdef WSDISPLAY_COMPAT_USL 1054 error = wsdisplay_usl_ioctl1(dv, cmd, data, flag, l); 1055 if (error != EPASSTHROUGH) 1056 return (error); 1057 #endif 1058 1059 if (ISWSDISPLAYSTAT(dev)) 1060 return (wsdisplay_stat_ioctl(sc, cmd, data, flag, l)); 1061 1062 if (ISWSDISPLAYCTL(dev)) 1063 return (wsdisplay_cfg_ioctl(sc, cmd, data, flag, l)); 1064 1065 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 1066 return (ENXIO); 1067 1068 if (WSSCREEN_HAS_TTY(scr)) { 1069 tp = scr->scr_tty; 1070 1071 /* printf("disc\n"); */ 1072 /* do the line discipline ioctls first */ 1073 error = (*tp->t_linesw->l_ioctl)(tp, cmd, data, flag, l); 1074 if (error != EPASSTHROUGH) 1075 return (error); 1076 1077 /* printf("tty\n"); */ 1078 /* then the tty ioctls */ 1079 error = ttioctl(tp, cmd, data, flag, l); 1080 if (error != EPASSTHROUGH) 1081 return (error); 1082 } 1083 1084 #ifdef WSDISPLAY_COMPAT_USL 1085 error = wsdisplay_usl_ioctl2(sc, scr, cmd, data, flag, l); 1086 if (error != EPASSTHROUGH) 1087 return (error); 1088 #endif 1089 1090 return (wsdisplay_internal_ioctl(sc, scr, cmd, data, flag, l)); 1091 } 1092 1093 int 1094 wsdisplay_param(device_t dv, u_long cmd, struct wsdisplay_param *dp) 1095 { 1096 struct wsdisplay_softc *sc = device_private(dv); 1097 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie, 1098 sc->sc_focus->scr_dconf->emulcookie, 1099 cmd, (void *)dp, 0, NULL)); 1100 } 1101 1102 int 1103 wsdisplay_internal_ioctl(struct wsdisplay_softc *sc, struct wsscreen *scr, 1104 u_long cmd, void *data, int flag, struct lwp *l) 1105 { 1106 int error; 1107 char namebuf[16]; 1108 struct wsdisplay_font fd; 1109 #ifdef WSDISPLAY_SCROLLSUPPORT 1110 struct wsdisplay_scroll_data *ksdp, *usdp; 1111 #endif 1112 1113 #if NWSKBD > 0 1114 struct wsevsrc *inp; 1115 1116 #ifdef WSDISPLAY_COMPAT_RAWKBD 1117 switch (cmd) { 1118 case WSKBDIO_SETMODE: 1119 scr->scr_rawkbd = (*(int *)data == WSKBD_RAW); 1120 return (wsdisplay_update_rawkbd(sc, scr)); 1121 case WSKBDIO_GETMODE: 1122 *(int *)data = (scr->scr_rawkbd ? 1123 WSKBD_RAW : WSKBD_TRANSLATED); 1124 return (0); 1125 } 1126 #endif 1127 inp = sc->sc_input; 1128 if (inp == NULL) 1129 return (ENXIO); 1130 error = wsevsrc_display_ioctl(inp, cmd, data, flag, l); 1131 if (error != EPASSTHROUGH) 1132 return (error); 1133 #endif /* NWSKBD > 0 */ 1134 1135 switch (cmd) { 1136 case WSDISPLAYIO_GMODE: 1137 if (scr->scr_flags & SCR_GRAPHICS) { 1138 if (scr->scr_flags & SCR_DUMBFB) 1139 *(u_int *)data = WSDISPLAYIO_MODE_DUMBFB; 1140 else 1141 *(u_int *)data = WSDISPLAYIO_MODE_MAPPED; 1142 } else 1143 *(u_int *)data = WSDISPLAYIO_MODE_EMUL; 1144 return (0); 1145 1146 case WSDISPLAYIO_SMODE: 1147 #define d (*(int *)data) 1148 if (d != WSDISPLAYIO_MODE_EMUL && 1149 d != WSDISPLAYIO_MODE_MAPPED && 1150 d != WSDISPLAYIO_MODE_DUMBFB) 1151 return (EINVAL); 1152 1153 if (WSSCREEN_HAS_EMULATOR(scr)) { 1154 scr->scr_flags &= ~SCR_GRAPHICS; 1155 if (d == WSDISPLAYIO_MODE_MAPPED || 1156 d == WSDISPLAYIO_MODE_DUMBFB) 1157 scr->scr_flags |= SCR_GRAPHICS | 1158 ((d == WSDISPLAYIO_MODE_DUMBFB) ? SCR_DUMBFB : 0); 1159 } else if (d == WSDISPLAYIO_MODE_EMUL) 1160 return (EINVAL); 1161 1162 (void)(*sc->sc_accessops->ioctl)(sc->sc_accesscookie, 1163 scr->scr_dconf->emulcookie, cmd, data, flag, l); 1164 1165 return (0); 1166 #undef d 1167 1168 #ifdef WSDISPLAY_SCROLLSUPPORT 1169 #define SETSCROLLLINES(dstp, srcp, dfltp) \ 1170 do { \ 1171 (dstp)->fastlines = ((srcp)->which & \ 1172 WSDISPLAY_SCROLL_DOFASTLINES) ? \ 1173 (srcp)->fastlines : (dfltp)->fastlines; \ 1174 (dstp)->slowlines = ((srcp)->which & \ 1175 WSDISPLAY_SCROLL_DOSLOWLINES) ? \ 1176 (srcp)->slowlines : (dfltp)->slowlines; \ 1177 (dstp)->which = WSDISPLAY_SCROLL_DOALL; \ 1178 } while (0) 1179 1180 1181 case WSDISPLAYIO_DSSCROLL: 1182 usdp = (struct wsdisplay_scroll_data *)data; 1183 ksdp = &sc->sc_scroll_values; 1184 SETSCROLLLINES(ksdp, usdp, ksdp); 1185 return (0); 1186 1187 case WSDISPLAYIO_DGSCROLL: 1188 usdp = (struct wsdisplay_scroll_data *)data; 1189 ksdp = &sc->sc_scroll_values; 1190 SETSCROLLLINES(usdp, ksdp, ksdp); 1191 return (0); 1192 #else 1193 case WSDISPLAYIO_DSSCROLL: 1194 case WSDISPLAYIO_DGSCROLL: 1195 return ENODEV; 1196 #endif 1197 1198 case WSDISPLAYIO_SFONT: 1199 #define d ((struct wsdisplay_usefontdata *)data) 1200 if (!sc->sc_accessops->load_font) 1201 return (EINVAL); 1202 if (d->name) { 1203 error = copyinstr(d->name, namebuf, sizeof(namebuf), 0); 1204 if (error) 1205 return (error); 1206 fd.name = namebuf; 1207 } else 1208 fd.name = 0; 1209 fd.data = 0; 1210 error = (*sc->sc_accessops->load_font)(sc->sc_accesscookie, 1211 scr->scr_dconf->emulcookie, &fd); 1212 if (!error && WSSCREEN_HAS_EMULATOR(scr)) 1213 (*scr->scr_dconf->wsemul->reset) 1214 (scr->scr_dconf->wsemulcookie, WSEMUL_SYNCFONT); 1215 return (error); 1216 #undef d 1217 1218 #ifdef WSDISPLAY_CUSTOM_OUTPUT 1219 case WSDISPLAYIO_GMSGATTRS: 1220 #define d ((struct wsdisplay_msgattrs *)data) 1221 (*scr->scr_dconf->wsemul->getmsgattrs) 1222 (scr->scr_dconf->wsemulcookie, d); 1223 return (0); 1224 #undef d 1225 1226 case WSDISPLAYIO_SMSGATTRS: { 1227 #define d ((struct wsdisplay_msgattrs *)data) 1228 int i; 1229 for (i = 0; i < WSDISPLAY_MAXSCREEN; i++) 1230 if (sc->sc_scr[i] != NULL) 1231 (*sc->sc_scr[i]->scr_dconf->wsemul->setmsgattrs) 1232 (sc->sc_scr[i]->scr_dconf->wsemulcookie, 1233 sc->sc_scr[i]->scr_dconf->scrdata, 1234 d); 1235 } 1236 return (0); 1237 #undef d 1238 #else 1239 case WSDISPLAYIO_GMSGATTRS: 1240 case WSDISPLAYIO_SMSGATTRS: 1241 return (ENODEV); 1242 #endif 1243 } 1244 1245 /* check ioctls for display */ 1246 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie, 1247 scr->scr_dconf->emulcookie, cmd, data, flag, l)); 1248 } 1249 1250 int 1251 wsdisplay_stat_ioctl(struct wsdisplay_softc *sc, u_long cmd, void *data, 1252 int flag, struct lwp *l) 1253 { 1254 switch (cmd) { 1255 case WSDISPLAYIO_GETACTIVESCREEN: 1256 *(int*)data = wsdisplay_getactivescreen(sc); 1257 return (0); 1258 } 1259 1260 return (EPASSTHROUGH); 1261 } 1262 1263 int 1264 wsdisplay_cfg_ioctl(struct wsdisplay_softc *sc, u_long cmd, void *data, 1265 int flag, struct lwp *l) 1266 { 1267 int error; 1268 char *type, typebuf[16], *emul, emulbuf[16]; 1269 void *tbuf; 1270 u_int fontsz; 1271 #if defined(COMPAT_14) && NWSKBD > 0 1272 struct wsmux_device wsmuxdata; 1273 #endif 1274 #if NWSKBD > 0 1275 struct wsevsrc *inp; 1276 #endif 1277 1278 switch (cmd) { 1279 case WSDISPLAYIO_ADDSCREEN: 1280 #define d ((struct wsdisplay_addscreendata *)data) 1281 if (d->screentype) { 1282 error = copyinstr(d->screentype, typebuf, 1283 sizeof(typebuf), 0); 1284 if (error) 1285 return (error); 1286 type = typebuf; 1287 } else 1288 type = 0; 1289 if (d->emul) { 1290 error = copyinstr(d->emul, emulbuf, sizeof(emulbuf),0); 1291 if (error) 1292 return (error); 1293 emul = emulbuf; 1294 } else 1295 emul = 0; 1296 1297 if ((error = wsdisplay_addscreen(sc, d->idx, type, emul)) == 0) 1298 wsdisplay_addscreen_print(sc, d->idx, 0); 1299 return (error); 1300 #undef d 1301 case WSDISPLAYIO_DELSCREEN: 1302 #define d ((struct wsdisplay_delscreendata *)data) 1303 return (wsdisplay_delscreen(sc, d->idx, d->flags)); 1304 #undef d 1305 case WSDISPLAYIO_LDFONT: 1306 #define d ((struct wsdisplay_font *)data) 1307 if (!sc->sc_accessops->load_font) 1308 return (EINVAL); 1309 if (d->name) { 1310 error = copyinstr(d->name, typebuf, sizeof(typebuf), 0); 1311 if (error) 1312 return (error); 1313 d->name = typebuf; 1314 } else 1315 d->name = "loaded"; /* ??? */ 1316 fontsz = d->fontheight * d->stride * d->numchars; 1317 if (fontsz > WSDISPLAY_MAXFONTSZ) 1318 return (EINVAL); 1319 1320 tbuf = malloc(fontsz, M_DEVBUF, M_WAITOK); 1321 error = copyin(d->data, tbuf, fontsz); 1322 if (error) { 1323 free(tbuf, M_DEVBUF); 1324 return (error); 1325 } 1326 d->data = tbuf; 1327 error = 1328 (*sc->sc_accessops->load_font)(sc->sc_accesscookie, 0, d); 1329 free(tbuf, M_DEVBUF); 1330 #undef d 1331 return (error); 1332 1333 #if NWSKBD > 0 1334 #ifdef COMPAT_14 1335 case _O_WSDISPLAYIO_SETKEYBOARD: 1336 #define d ((struct wsdisplay_kbddata *)data) 1337 inp = sc->sc_input; 1338 if (inp == NULL) 1339 return (ENXIO); 1340 switch (d->op) { 1341 case _O_WSDISPLAY_KBD_ADD: 1342 if (d->idx == -1) { 1343 d->idx = wskbd_pickfree(); 1344 if (d->idx == -1) 1345 return (ENXIO); 1346 } 1347 wsmuxdata.type = WSMUX_KBD; 1348 wsmuxdata.idx = d->idx; 1349 return (wsevsrc_ioctl(inp, WSMUX_ADD_DEVICE, 1350 &wsmuxdata, flag, l)); 1351 case _O_WSDISPLAY_KBD_DEL: 1352 wsmuxdata.type = WSMUX_KBD; 1353 wsmuxdata.idx = d->idx; 1354 return (wsevsrc_ioctl(inp, WSMUX_REMOVE_DEVICE, 1355 &wsmuxdata, flag, l)); 1356 default: 1357 return (EINVAL); 1358 } 1359 #undef d 1360 #endif 1361 1362 case WSMUXIO_ADD_DEVICE: 1363 #define d ((struct wsmux_device *)data) 1364 if (d->idx == -1 && d->type == WSMUX_KBD) 1365 d->idx = wskbd_pickfree(); 1366 #undef d 1367 /* fall into */ 1368 case WSMUXIO_INJECTEVENT: 1369 case WSMUXIO_REMOVE_DEVICE: 1370 case WSMUXIO_LIST_DEVICES: 1371 inp = sc->sc_input; 1372 if (inp == NULL) 1373 return (ENXIO); 1374 return (wsevsrc_ioctl(inp, cmd, data, flag, l)); 1375 #endif /* NWSKBD > 0 */ 1376 1377 } 1378 return (EPASSTHROUGH); 1379 } 1380 1381 int 1382 wsdisplay_stat_inject(device_t dv, u_int type, int value) 1383 { 1384 struct wsdisplay_softc *sc = device_private(dv); 1385 struct wseventvar *evar; 1386 struct wscons_event event; 1387 1388 evar = &sc->evar; 1389 1390 if (evar == NULL) 1391 return (0); 1392 1393 if (evar->q == NULL) 1394 return (1); 1395 1396 event.type = type; 1397 event.value = value; 1398 if (wsevent_inject(evar, &event, 1) != 0) { 1399 log(LOG_WARNING, "wsdisplay: event queue overflow\n"); 1400 return (1); 1401 } 1402 1403 return (0); 1404 } 1405 1406 paddr_t 1407 wsdisplaymmap(dev_t dev, off_t offset, int prot) 1408 { 1409 device_t dv; 1410 struct wsdisplay_softc *sc; 1411 struct wsscreen *scr; 1412 1413 dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 1414 sc = device_private(dv); 1415 1416 if (ISWSDISPLAYSTAT(dev)) 1417 return (-1); 1418 1419 if (ISWSDISPLAYCTL(dev)) 1420 return (-1); 1421 1422 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 1423 return (-1); 1424 1425 if (!(scr->scr_flags & SCR_GRAPHICS)) 1426 return (-1); 1427 1428 /* pass mmap to display */ 1429 return ((*sc->sc_accessops->mmap)(sc->sc_accesscookie, 1430 scr->scr_dconf->emulcookie, offset, prot)); 1431 } 1432 1433 void 1434 wsdisplaystart(struct tty *tp) 1435 { 1436 device_t dv; 1437 struct wsdisplay_softc *sc; 1438 struct wsscreen *scr; 1439 int s, n; 1440 u_char *tbuf; 1441 1442 s = spltty(); 1443 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) { 1444 splx(s); 1445 return; 1446 } 1447 dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(tp->t_dev)); 1448 sc = device_private(dv); 1449 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(tp->t_dev)]) == NULL) { 1450 splx(s); 1451 return; 1452 } 1453 1454 if (scr->scr_hold_screen) { 1455 tp->t_state |= TS_TIMEOUT; 1456 splx(s); 1457 return; 1458 } 1459 tp->t_state |= TS_BUSY; 1460 splx(s); 1461 1462 /* 1463 * Drain output from ring buffer. 1464 * The output will normally be in one contiguous chunk, but when the 1465 * ring wraps, it will be in two pieces.. one at the end of the ring, 1466 * the other at the start. For performance, rather than loop here, 1467 * we output one chunk, see if there's another one, and if so, output 1468 * it too. 1469 */ 1470 1471 n = ndqb(&tp->t_outq, 0); 1472 tbuf = tp->t_outq.c_cf; 1473 1474 if (!(scr->scr_flags & SCR_GRAPHICS)) { 1475 KASSERT(WSSCREEN_HAS_EMULATOR(scr)); 1476 (*scr->scr_dconf->wsemul->output)(scr->scr_dconf->wsemulcookie, 1477 tbuf, n, 0); 1478 } 1479 ndflush(&tp->t_outq, n); 1480 1481 if ((n = ndqb(&tp->t_outq, 0)) > 0) { 1482 tbuf = tp->t_outq.c_cf; 1483 1484 if (!(scr->scr_flags & SCR_GRAPHICS)) { 1485 KASSERT(WSSCREEN_HAS_EMULATOR(scr)); 1486 (*scr->scr_dconf->wsemul->output) 1487 (scr->scr_dconf->wsemulcookie, tbuf, n, 0); 1488 } 1489 ndflush(&tp->t_outq, n); 1490 } 1491 1492 s = spltty(); 1493 tp->t_state &= ~TS_BUSY; 1494 /* Come back if there's more to do */ 1495 if (ttypull(tp)) { 1496 tp->t_state |= TS_TIMEOUT; 1497 callout_schedule(&tp->t_rstrt_ch, (hz > 128) ? (hz / 128) : 1); 1498 } 1499 splx(s); 1500 } 1501 1502 void 1503 wsdisplaystop(struct tty *tp, int flag) 1504 { 1505 int s; 1506 1507 s = spltty(); 1508 if (ISSET(tp->t_state, TS_BUSY)) 1509 if (!ISSET(tp->t_state, TS_TTSTOP)) 1510 SET(tp->t_state, TS_FLUSH); 1511 splx(s); 1512 } 1513 1514 /* Set line parameters. */ 1515 int 1516 wsdisplayparam(struct tty *tp, struct termios *t) 1517 { 1518 1519 tp->t_ispeed = t->c_ispeed; 1520 tp->t_ospeed = t->c_ospeed; 1521 tp->t_cflag = t->c_cflag; 1522 return 0; 1523 } 1524 1525 /* 1526 * Callbacks for the emulation code. 1527 */ 1528 void 1529 wsdisplay_emulbell(void *v) 1530 { 1531 struct wsscreen *scr = v; 1532 1533 if (scr == NULL) /* console, before real attach */ 1534 return; 1535 1536 if (scr->scr_flags & SCR_GRAPHICS) /* can this happen? */ 1537 return; 1538 1539 (void) wsdisplay_internal_ioctl(scr->sc, scr, WSKBDIO_BELL, NULL, 1540 FWRITE, NULL); 1541 } 1542 1543 void 1544 wsdisplay_emulinput(void *v, const u_char *data, u_int count) 1545 { 1546 struct wsscreen *scr = v; 1547 struct tty *tp; 1548 1549 if (v == NULL) /* console, before real attach */ 1550 return; 1551 1552 if (scr->scr_flags & SCR_GRAPHICS) /* XXX can't happen */ 1553 return; 1554 if (!WSSCREEN_HAS_TTY(scr)) 1555 return; 1556 1557 tp = scr->scr_tty; 1558 while (count-- > 0) 1559 (*tp->t_linesw->l_rint)(*data++, tp); 1560 } 1561 1562 /* 1563 * Calls from the keyboard interface. 1564 */ 1565 void 1566 wsdisplay_kbdinput(device_t dv, keysym_t ks) 1567 { 1568 struct wsdisplay_softc *sc = device_private(dv); 1569 struct wsscreen *scr; 1570 const char *dp; 1571 int count; 1572 struct tty *tp; 1573 1574 KASSERT(sc != NULL); 1575 1576 scr = sc->sc_focus; 1577 1578 if (!scr || !WSSCREEN_HAS_TTY(scr)) 1579 return; 1580 1581 tp = scr->scr_tty; 1582 1583 if (KS_GROUP(ks) == KS_GROUP_Ascii) 1584 (*tp->t_linesw->l_rint)(KS_VALUE(ks), tp); 1585 else if (WSSCREEN_HAS_EMULATOR(scr)) { 1586 count = (*scr->scr_dconf->wsemul->translate) 1587 (scr->scr_dconf->wsemulcookie, ks, &dp); 1588 while (count-- > 0) 1589 (*tp->t_linesw->l_rint)(*dp++, tp); 1590 } 1591 } 1592 1593 #if defined(WSDISPLAY_COMPAT_RAWKBD) 1594 int 1595 wsdisplay_update_rawkbd(struct wsdisplay_softc *sc, struct wsscreen *scr) 1596 { 1597 #if NWSKBD > 0 1598 int s, raw, data, error; 1599 struct wsevsrc *inp; 1600 1601 s = spltty(); 1602 1603 raw = (scr ? scr->scr_rawkbd : 0); 1604 1605 if (scr != sc->sc_focus || 1606 sc->sc_rawkbd == raw) { 1607 splx(s); 1608 return (0); 1609 } 1610 1611 data = raw ? WSKBD_RAW : WSKBD_TRANSLATED; 1612 inp = sc->sc_input; 1613 if (inp == NULL) { 1614 splx(s); 1615 return (ENXIO); 1616 } 1617 error = wsevsrc_display_ioctl(inp, WSKBDIO_SETMODE, &data, 0, 0); 1618 if (!error) 1619 sc->sc_rawkbd = raw; 1620 splx(s); 1621 return (error); 1622 #else 1623 return (0); 1624 #endif 1625 } 1626 #endif 1627 1628 static void 1629 wsdisplay_switch3_cb(void *arg, int error, int waitok) 1630 { 1631 device_t dv = arg; 1632 1633 wsdisplay_switch3(dv, error, waitok); 1634 } 1635 1636 static int 1637 wsdisplay_switch3(device_t dv, int error, int waitok) 1638 { 1639 struct wsdisplay_softc *sc = device_private(dv); 1640 int no; 1641 struct wsscreen *scr; 1642 1643 if (!(sc->sc_flags & SC_SWITCHPENDING)) { 1644 aprint_error_dev(dv, "wsdisplay_switch3: not switching\n"); 1645 return (EINVAL); 1646 } 1647 1648 no = sc->sc_screenwanted; 1649 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1650 panic("wsdisplay_switch3: invalid screen %d", no); 1651 scr = sc->sc_scr[no]; 1652 if (!scr) { 1653 aprint_error_dev(dv, 1654 "wsdisplay_switch3: screen %d disappeared\n", no); 1655 error = ENXIO; 1656 } 1657 1658 if (error) { 1659 /* try to recover, avoid recursion */ 1660 1661 if (sc->sc_oldscreen == WSDISPLAY_NULLSCREEN) { 1662 aprint_error_dev(dv, "wsdisplay_switch3: giving up\n"); 1663 sc->sc_focus = 0; 1664 #ifdef WSDISPLAY_COMPAT_RAWKBD 1665 wsdisplay_update_rawkbd(sc, 0); 1666 #endif 1667 sc->sc_flags &= ~SC_SWITCHPENDING; 1668 return (error); 1669 } 1670 1671 sc->sc_screenwanted = sc->sc_oldscreen; 1672 sc->sc_oldscreen = WSDISPLAY_NULLSCREEN; 1673 return (wsdisplay_switch1(dv, 0, waitok)); 1674 } 1675 1676 sc->sc_flags &= ~SC_SWITCHPENDING; 1677 1678 if (!error && (scr->scr_flags & SCR_WAITACTIVE)) 1679 wakeup(scr); 1680 return (error); 1681 } 1682 1683 static void 1684 wsdisplay_switch2_cb(void *arg, int error, int waitok) 1685 { 1686 device_t dv = arg; 1687 1688 wsdisplay_switch2(dv, error, waitok); 1689 } 1690 1691 static int 1692 wsdisplay_switch2(device_t dv, int error, int waitok) 1693 { 1694 struct wsdisplay_softc *sc = device_private(dv); 1695 int no; 1696 struct wsscreen *scr; 1697 1698 if (!(sc->sc_flags & SC_SWITCHPENDING)) { 1699 aprint_error_dev(dv, "wsdisplay_switch2: not switching\n"); 1700 return (EINVAL); 1701 } 1702 1703 no = sc->sc_screenwanted; 1704 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1705 panic("wsdisplay_switch2: invalid screen %d", no); 1706 scr = sc->sc_scr[no]; 1707 if (!scr) { 1708 aprint_error_dev(dv, 1709 "wsdisplay_switch2: screen %d disappeared\n", no); 1710 error = ENXIO; 1711 } 1712 1713 if (error) { 1714 /* try to recover, avoid recursion */ 1715 1716 if (sc->sc_oldscreen == WSDISPLAY_NULLSCREEN) { 1717 aprint_error_dev(dv, "wsdisplay_switch2: giving up\n"); 1718 sc->sc_focus = 0; 1719 sc->sc_flags &= ~SC_SWITCHPENDING; 1720 return (error); 1721 } 1722 1723 sc->sc_screenwanted = sc->sc_oldscreen; 1724 sc->sc_oldscreen = WSDISPLAY_NULLSCREEN; 1725 return (wsdisplay_switch1(dv, 0, waitok)); 1726 } 1727 1728 sc->sc_focusidx = no; 1729 sc->sc_focus = scr; 1730 1731 #ifdef WSDISPLAY_COMPAT_RAWKBD 1732 (void) wsdisplay_update_rawkbd(sc, scr); 1733 #endif 1734 /* keyboard map??? */ 1735 1736 if (scr->scr_syncops) { 1737 error = (*scr->scr_syncops->attach)(scr->scr_synccookie, waitok, 1738 sc->sc_isconsole && wsdisplay_cons_pollmode ? 0 : wsdisplay_switch3_cb, dv); 1739 if (error == EAGAIN) { 1740 /* switch will be done asynchronously */ 1741 return (0); 1742 } 1743 } 1744 1745 return (wsdisplay_switch3(dv, error, waitok)); 1746 } 1747 1748 static void 1749 wsdisplay_switch1_cb(void *arg, int error, int waitok) 1750 { 1751 device_t dv = arg; 1752 1753 wsdisplay_switch1(dv, error, waitok); 1754 } 1755 1756 static int 1757 wsdisplay_switch1(device_t dv, int error, int waitok) 1758 { 1759 struct wsdisplay_softc *sc = device_private(dv); 1760 int no; 1761 struct wsscreen *scr; 1762 1763 if (!(sc->sc_flags & SC_SWITCHPENDING)) { 1764 aprint_error_dev(dv, "wsdisplay_switch1: not switching\n"); 1765 return (EINVAL); 1766 } 1767 1768 no = sc->sc_screenwanted; 1769 if (no == WSDISPLAY_NULLSCREEN) { 1770 sc->sc_flags &= ~SC_SWITCHPENDING; 1771 if (!error) { 1772 sc->sc_focus = 0; 1773 } 1774 wakeup(sc); 1775 return (error); 1776 } 1777 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1778 panic("wsdisplay_switch1: invalid screen %d", no); 1779 scr = sc->sc_scr[no]; 1780 if (!scr) { 1781 aprint_error_dev(dv, "wsdisplay_switch1: screen %d disappeared\n", no); 1782 error = ENXIO; 1783 } 1784 1785 if (error) { 1786 sc->sc_flags &= ~SC_SWITCHPENDING; 1787 return (error); 1788 } 1789 1790 error = (*sc->sc_accessops->show_screen)(sc->sc_accesscookie, 1791 scr->scr_dconf->emulcookie, 1792 waitok, 1793 sc->sc_isconsole && wsdisplay_cons_pollmode ? 0 : wsdisplay_switch2_cb, dv); 1794 if (error == EAGAIN) { 1795 /* switch will be done asynchronously */ 1796 return (0); 1797 } 1798 1799 return (wsdisplay_switch2(dv, error, waitok)); 1800 } 1801 1802 int 1803 wsdisplay_switch(device_t dv, int no, int waitok) 1804 { 1805 struct wsdisplay_softc *sc = device_private(dv); 1806 int s, res = 0; 1807 struct wsscreen *scr; 1808 1809 if (no != WSDISPLAY_NULLSCREEN) { 1810 if ((no < 0 || no >= WSDISPLAY_MAXSCREEN)) 1811 return (EINVAL); 1812 if (sc->sc_scr[no] == NULL) 1813 return (ENXIO); 1814 } 1815 1816 wsdisplay_stat_inject(dv, WSCONS_EVENT_SCREEN_SWITCH, no); 1817 1818 s = spltty(); 1819 1820 if ((sc->sc_focus && no == sc->sc_focusidx) || 1821 (sc->sc_focus == NULL && no == WSDISPLAY_NULLSCREEN)) { 1822 splx(s); 1823 return (0); 1824 } 1825 1826 if (sc->sc_flags & SC_SWITCHPENDING) { 1827 splx(s); 1828 return (EBUSY); 1829 } 1830 1831 sc->sc_flags |= SC_SWITCHPENDING; 1832 sc->sc_screenwanted = no; 1833 1834 splx(s); 1835 1836 scr = sc->sc_focus; 1837 if (!scr) { 1838 sc->sc_oldscreen = WSDISPLAY_NULLSCREEN; 1839 return (wsdisplay_switch1(dv, 0, waitok)); 1840 } else 1841 sc->sc_oldscreen = sc->sc_focusidx; 1842 1843 if (scr->scr_syncops) { 1844 res = (*scr->scr_syncops->detach)(scr->scr_synccookie, waitok, 1845 sc->sc_isconsole && wsdisplay_cons_pollmode ? 0 : wsdisplay_switch1_cb, dv); 1846 if (res == EAGAIN) { 1847 /* switch will be done asynchronously */ 1848 return (0); 1849 } 1850 } else if (scr->scr_flags & SCR_GRAPHICS) { 1851 /* no way to save state */ 1852 res = EBUSY; 1853 } 1854 1855 return (wsdisplay_switch1(dv, res, waitok)); 1856 } 1857 1858 void 1859 wsdisplay_reset(device_t dv, enum wsdisplay_resetops op) 1860 { 1861 struct wsdisplay_softc *sc = device_private(dv); 1862 struct wsscreen *scr; 1863 1864 KASSERT(sc != NULL); 1865 scr = sc->sc_focus; 1866 1867 if (!scr) 1868 return; 1869 1870 switch (op) { 1871 case WSDISPLAY_RESETEMUL: 1872 if (!WSSCREEN_HAS_EMULATOR(scr)) 1873 break; 1874 (*scr->scr_dconf->wsemul->reset)(scr->scr_dconf->wsemulcookie, 1875 WSEMUL_RESET); 1876 break; 1877 case WSDISPLAY_RESETCLOSE: 1878 wsdisplay_closescreen(sc, scr); 1879 break; 1880 } 1881 } 1882 1883 /* 1884 * Interface for (external) VT switch / process synchronization code 1885 */ 1886 int 1887 wsscreen_attach_sync(struct wsscreen *scr, const struct wscons_syncops *ops, 1888 void *cookie) 1889 { 1890 if (scr->scr_syncops) { 1891 /* 1892 * The screen is already claimed. 1893 * Check if the owner is still alive. 1894 */ 1895 if ((*scr->scr_syncops->check)(scr->scr_synccookie)) 1896 return (EBUSY); 1897 } 1898 scr->scr_syncops = ops; 1899 scr->scr_synccookie = cookie; 1900 return (0); 1901 } 1902 1903 int 1904 wsscreen_detach_sync(struct wsscreen *scr) 1905 { 1906 if (!scr->scr_syncops) 1907 return (EINVAL); 1908 scr->scr_syncops = 0; 1909 return (0); 1910 } 1911 1912 int 1913 wsscreen_lookup_sync(struct wsscreen *scr, 1914 const struct wscons_syncops *ops, /* used as ID */ 1915 void **cookiep) 1916 { 1917 if (!scr->scr_syncops || ops != scr->scr_syncops) 1918 return (EINVAL); 1919 *cookiep = scr->scr_synccookie; 1920 return (0); 1921 } 1922 1923 /* 1924 * Interface to virtual screen stuff 1925 */ 1926 int 1927 wsdisplay_maxscreenidx(struct wsdisplay_softc *sc) 1928 { 1929 return (WSDISPLAY_MAXSCREEN - 1); 1930 } 1931 1932 int 1933 wsdisplay_screenstate(struct wsdisplay_softc *sc, int idx) 1934 { 1935 if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN) 1936 return (EINVAL); 1937 if (!sc->sc_scr[idx]) 1938 return (ENXIO); 1939 return ((sc->sc_scr[idx]->scr_flags & SCR_OPEN) ? EBUSY : 0); 1940 } 1941 1942 int 1943 wsdisplay_getactivescreen(struct wsdisplay_softc *sc) 1944 { 1945 return (sc->sc_focus ? sc->sc_focusidx : WSDISPLAY_NULLSCREEN); 1946 } 1947 1948 int 1949 wsscreen_switchwait(struct wsdisplay_softc *sc, int no) 1950 { 1951 struct wsscreen *scr; 1952 int s, res = 0; 1953 1954 if (no == WSDISPLAY_NULLSCREEN) { 1955 s = spltty(); 1956 while (sc->sc_focus && res == 0) { 1957 res = tsleep(sc, PCATCH, "wswait", 0); 1958 } 1959 splx(s); 1960 return (res); 1961 } 1962 1963 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1964 return (ENXIO); 1965 scr = sc->sc_scr[no]; 1966 if (!scr) 1967 return (ENXIO); 1968 1969 s = spltty(); 1970 if (scr != sc->sc_focus) { 1971 scr->scr_flags |= SCR_WAITACTIVE; 1972 res = tsleep(scr, PCATCH, "wswait", 0); 1973 if (scr != sc->sc_scr[no]) 1974 res = ENXIO; /* disappeared in the meantime */ 1975 else 1976 scr->scr_flags &= ~SCR_WAITACTIVE; 1977 } 1978 splx(s); 1979 return (res); 1980 } 1981 1982 void 1983 wsdisplay_kbdholdscreen(device_t dv, int hold) 1984 { 1985 struct wsdisplay_softc *sc = device_private(dv); 1986 struct wsscreen *scr; 1987 1988 scr = sc->sc_focus; 1989 1990 if (hold) 1991 scr->scr_hold_screen = 1; 1992 else { 1993 scr->scr_hold_screen = 0; 1994 callout_schedule(&scr->scr_tty->t_rstrt_ch, 0); 1995 } 1996 } 1997 1998 #if NWSKBD > 0 1999 void 2000 wsdisplay_set_console_kbd(struct wsevsrc *src) 2001 { 2002 if (wsdisplay_console_device == NULL) { 2003 src->me_dispdv = NULL; 2004 return; 2005 } 2006 #if NWSMUX > 0 2007 if (wsmux_attach_sc((struct wsmux_softc *) 2008 wsdisplay_console_device->sc_input, src)) { 2009 src->me_dispdv = NULL; 2010 return; 2011 } 2012 #else 2013 wsdisplay_console_device->sc_input = src; 2014 #endif 2015 src->me_dispdv = wsdisplay_console_device->sc_dev; 2016 } 2017 #endif /* NWSKBD > 0 */ 2018 2019 /* 2020 * Console interface. 2021 */ 2022 void 2023 wsdisplay_cnputc(dev_t dev, int i) 2024 { 2025 struct wsscreen_internal *dc; 2026 u_char c = i; 2027 2028 if (!wsdisplay_console_initted) 2029 return; 2030 2031 if ((wsdisplay_console_device != NULL) && 2032 (wsdisplay_console_device->sc_scr[0] != NULL) && 2033 (wsdisplay_console_device->sc_scr[0]->scr_flags & SCR_GRAPHICS)) 2034 return; 2035 2036 dc = &wsdisplay_console_conf; 2037 (*dc->wsemul->output)(dc->wsemulcookie, &c, 1, 1); 2038 } 2039 2040 static int 2041 wsdisplay_getc_dummy(dev_t dev) 2042 { 2043 /* panic? */ 2044 return (0); 2045 } 2046 2047 static void 2048 wsdisplay_pollc(dev_t dev, int on) 2049 { 2050 2051 wsdisplay_cons_pollmode = on; 2052 2053 /* notify to fb drivers */ 2054 if (wsdisplay_console_device != NULL && 2055 wsdisplay_console_device->sc_accessops->pollc != NULL) 2056 (*wsdisplay_console_device->sc_accessops->pollc) 2057 (wsdisplay_console_device->sc_accesscookie, on); 2058 2059 /* notify to kbd drivers */ 2060 if (wsdisplay_cons_kbd_pollc) 2061 (*wsdisplay_cons_kbd_pollc)(NODEV, on); 2062 } 2063 2064 void 2065 wsdisplay_set_cons_kbd(int (*get)(dev_t), void (*poll)(dev_t, int), 2066 void (*bell)(dev_t, u_int, u_int, u_int)) 2067 { 2068 wsdisplay_cons.cn_getc = get; 2069 wsdisplay_cons.cn_bell = bell; 2070 wsdisplay_cons_kbd_pollc = poll; 2071 } 2072 2073 void 2074 wsdisplay_unset_cons_kbd(void) 2075 { 2076 wsdisplay_cons.cn_getc = wsdisplay_getc_dummy; 2077 wsdisplay_cons.cn_bell = NULL; 2078 wsdisplay_cons_kbd_pollc = 0; 2079 } 2080 2081 static void 2082 wsdisplay_switchto(int no) 2083 { 2084 struct wsdisplay_softc *sc; 2085 struct wsscreen *scr; 2086 2087 if (wsdisplay_console_device != NULL) { 2088 sc = wsdisplay_console_device; 2089 if ((scr = sc->sc_scr[no]) == NULL) 2090 return; 2091 (*sc->sc_accessops->show_screen)(sc->sc_accesscookie, 2092 scr->scr_dconf->emulcookie, 2093 0, NULL, NULL); 2094 } 2095 } 2096 2097 /* 2098 * Switch the console display to it's first screen. 2099 */ 2100 void 2101 wsdisplay_switchtoconsole(void) 2102 { 2103 wsdisplay_switchto(0); 2104 } 2105 2106 /* 2107 * Switch the console at shutdown. 2108 */ 2109 static void 2110 wsdisplay_shutdownhook(void *arg) 2111 { 2112 2113 wsdisplay_switchtoconsole(); 2114 } 2115
Indexes created Thu Oct 16 14:10:15 GMT 2025