wsdisplay.c revision 1.108.14.1
1 /* $NetBSD: wsdisplay.c,v 1.108.14.1 2007/08/04 19:39:52 jmcneill Exp $ */ 2 3 /* 4 * Copyright (c) 1996, 1997 Christopher G. Demetriou. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Christopher G. Demetriou 17 * for the NetBSD Project. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: wsdisplay.c,v 1.108.14.1 2007/08/04 19:39:52 jmcneill 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 struct device sc_dv; 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 struct wsdisplay_pmstate { 139 int screen; 140 } sc_pmstate; 141 142 #if NWSKBD > 0 143 struct wsevsrc *sc_input; 144 #ifdef WSDISPLAY_COMPAT_RAWKBD 145 int sc_rawkbd; 146 #endif 147 #endif /* NWSKBD > 0 */ 148 }; 149 150 #ifdef WSDISPLAY_SCROLLSUPPORT 151 152 struct wsdisplay_scroll_data wsdisplay_default_scroll_values = { 153 WSDISPLAY_SCROLL_DOALL, 154 25, 155 2, 156 }; 157 #endif 158 159 extern struct cfdriver wsdisplay_cd; 160 161 /* Autoconfiguration definitions. */ 162 static int wsdisplay_emul_match(struct device *, struct cfdata *, void *); 163 static void wsdisplay_emul_attach(struct device *, struct device *, void *); 164 static int wsdisplay_noemul_match(struct device *, struct cfdata *, void *); 165 static void wsdisplay_noemul_attach(struct device *, struct device *, void *); 166 static pnp_status_t wsdisplay_power(device_t, pnp_request_t, void *); 167 168 CFATTACH_DECL(wsdisplay_emul, sizeof (struct wsdisplay_softc), 169 wsdisplay_emul_match, wsdisplay_emul_attach, NULL, NULL); 170 171 CFATTACH_DECL(wsdisplay_noemul, sizeof (struct wsdisplay_softc), 172 wsdisplay_noemul_match, wsdisplay_noemul_attach, NULL, NULL); 173 174 dev_type_open(wsdisplayopen); 175 dev_type_close(wsdisplayclose); 176 dev_type_read(wsdisplayread); 177 dev_type_write(wsdisplaywrite); 178 dev_type_ioctl(wsdisplayioctl); 179 dev_type_stop(wsdisplaystop); 180 dev_type_tty(wsdisplaytty); 181 dev_type_poll(wsdisplaypoll); 182 dev_type_mmap(wsdisplaymmap); 183 dev_type_kqfilter(wsdisplaykqfilter); 184 185 const struct cdevsw wsdisplay_cdevsw = { 186 wsdisplayopen, wsdisplayclose, wsdisplayread, wsdisplaywrite, 187 wsdisplayioctl, wsdisplaystop, wsdisplaytty, wsdisplaypoll, 188 wsdisplaymmap, wsdisplaykqfilter, D_TTY 189 }; 190 191 static void wsdisplaystart(struct tty *); 192 static int wsdisplayparam(struct tty *, struct termios *); 193 194 195 #define WSDISPLAYUNIT(dev) (minor(dev) >> 8) 196 #define WSDISPLAYSCREEN(dev) (minor(dev) & 0xff) 197 #define ISWSDISPLAYSTAT(dev) (WSDISPLAYSCREEN(dev) == 254) 198 #define ISWSDISPLAYCTL(dev) (WSDISPLAYSCREEN(dev) == 255) 199 #define WSDISPLAYMINOR(unit, screen) (((unit) << 8) | (screen)) 200 201 #define WSSCREEN_HAS_EMULATOR(scr) ((scr)->scr_dconf->wsemul != NULL) 202 #define WSSCREEN_HAS_TTY(scr) ((scr)->scr_tty != NULL) 203 204 static void wsdisplay_common_attach(struct wsdisplay_softc *sc, 205 int console, int kbdmux, const struct wsscreen_list *, 206 const struct wsdisplay_accessops *accessops, 207 void *accesscookie); 208 209 #ifdef WSDISPLAY_COMPAT_RAWKBD 210 int wsdisplay_update_rawkbd(struct wsdisplay_softc *, 211 struct wsscreen *); 212 #endif 213 214 static int wsdisplay_console_initted; 215 static int wsdisplay_console_attached; 216 static struct wsdisplay_softc *wsdisplay_console_device; 217 static struct wsscreen_internal wsdisplay_console_conf; 218 219 static int wsdisplay_getc_dummy(dev_t); 220 static void wsdisplay_pollc(dev_t, int); 221 222 static int wsdisplay_cons_pollmode; 223 static void (*wsdisplay_cons_kbd_pollc)(dev_t, int); 224 225 static struct consdev wsdisplay_cons = { 226 NULL, NULL, wsdisplay_getc_dummy, wsdisplay_cnputc, 227 wsdisplay_pollc, NULL, NULL, NULL, NODEV, CN_NORMAL 228 }; 229 230 #ifndef WSDISPLAY_DEFAULTSCREENS 231 # define WSDISPLAY_DEFAULTSCREENS 0 232 #endif 233 int wsdisplay_defaultscreens = WSDISPLAY_DEFAULTSCREENS; 234 235 int wsdisplay_switch1(void *, int, int); 236 int wsdisplay_switch2(void *, int, int); 237 int wsdisplay_switch3(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 printf("%s: screen %d", sc->sc_dv.dv_xname, idx); 342 if (count > 1) 343 printf("-%d", idx + (count-1)); 344 printf(" added (%s", sc->sc_scr[idx]->scr_dconf->scrdata->name); 345 if (WSSCREEN_HAS_EMULATOR(sc->sc_scr[idx])) { 346 printf(", %s emulation", 347 sc->sc_scr[idx]->scr_dconf->wsemul->name); 348 } 349 printf(")\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_dv), idx); 424 vdevgone(maj, mn, mn, VCHR); 425 } 426 427 #ifdef WSDISPLAY_SCROLLSUPPORT 428 void 429 wsdisplay_scroll(void *arg, int op) 430 { 431 struct wsdisplay_softc *sc = arg; 432 struct wsscreen *scr; 433 int lines; 434 435 scr = sc->sc_focus; 436 437 if (!scr) 438 return; 439 440 if (op == WSDISPLAY_SCROLL_RESET) 441 lines = 0; 442 else { 443 lines = (op & WSDISPLAY_SCROLL_LOW) ? 444 sc->sc_scroll_values.slowlines : 445 sc->sc_scroll_values.fastlines; 446 if (op & WSDISPLAY_SCROLL_BACKWARD) 447 lines = -(lines); 448 } 449 450 if (sc->sc_accessops->scroll) { 451 (*sc->sc_accessops->scroll)(sc->sc_accesscookie, 452 sc->sc_focus->scr_dconf->emulcookie, lines); 453 } 454 } 455 #endif 456 457 int 458 wsdisplay_delscreen(struct wsdisplay_softc *sc, int idx, int flags) 459 { 460 struct wsscreen *scr; 461 int s; 462 void *cookie; 463 464 if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN) 465 return (EINVAL); 466 if ((scr = sc->sc_scr[idx]) == NULL) 467 return (ENXIO); 468 469 if (scr->scr_dconf == &wsdisplay_console_conf || 470 scr->scr_syncops || 471 ((scr->scr_flags & SCR_OPEN) && !(flags & WSDISPLAY_DELSCR_FORCE))) 472 return(EBUSY); 473 474 wsdisplay_closescreen(sc, scr); 475 476 /* 477 * delete pointers, so neither device entries 478 * nor keyboard input can reference it anymore 479 */ 480 s = spltty(); 481 if (sc->sc_focus == scr) { 482 sc->sc_focus = 0; 483 #ifdef WSDISPLAY_COMPAT_RAWKBD 484 wsdisplay_update_rawkbd(sc, 0); 485 #endif 486 } 487 sc->sc_scr[idx] = 0; 488 splx(s); 489 490 /* 491 * Wake up processes waiting for the screen to 492 * be activated. Sleepers must check whether 493 * the screen still exists. 494 */ 495 if (scr->scr_flags & SCR_WAITACTIVE) 496 wakeup(scr); 497 498 /* save a reference to the graphics screen */ 499 cookie = scr->scr_dconf->emulcookie; 500 501 wsscreen_detach(scr); 502 503 (*sc->sc_accessops->free_screen)(sc->sc_accesscookie, 504 cookie); 505 506 printf("%s: screen %d deleted\n", sc->sc_dv.dv_xname, idx); 507 return (0); 508 } 509 510 /* 511 * Autoconfiguration functions. 512 */ 513 int 514 wsdisplay_emul_match(struct device *parent, struct cfdata *match, 515 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(struct device *parent, struct device *self, 538 void *aux) 539 { 540 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)self; 541 struct wsemuldisplaydev_attach_args *ap = aux; 542 543 /* Don't allow more than one console to attach */ 544 if (wsdisplay_console_attached && ap->console) 545 ap->console = 0; 546 547 wsdisplay_common_attach(sc, ap->console, 548 device_cfdata(&sc->sc_dv)->wsemuldisplaydevcf_kbdmux, ap->scrdata, 549 ap->accessops, ap->accesscookie); 550 551 if (ap->console) { 552 int maj; 553 554 /* locate the major number */ 555 maj = cdevsw_lookup_major(&wsdisplay_cdevsw); 556 557 cn_tab->cn_dev = makedev(maj, WSDISPLAYMINOR(device_unit(self), 558 0)); 559 } 560 } 561 562 /* Print function (for parent devices). */ 563 int 564 wsemuldisplaydevprint(void *aux, const char *pnp) 565 { 566 #if 0 /* -Wunused */ 567 struct wsemuldisplaydev_attach_args *ap = aux; 568 #endif 569 570 if (pnp) 571 aprint_normal("wsdisplay at %s", pnp); 572 #if 0 /* don't bother; it's ugly */ 573 aprint_normal(" console %d", ap->console); 574 #endif 575 576 return (UNCONF); 577 } 578 579 int 580 wsdisplay_noemul_match(struct device *parent, 581 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(struct device *parent, struct device *self, 593 void *aux) 594 { 595 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)self; 596 struct wsdisplaydev_attach_args *ap = aux; 597 598 wsdisplay_common_attach(sc, 0, 599 device_cfdata(&sc->sc_dv)->wsemuldisplaydevcf_kbdmux, NULL, 600 ap->accessops, ap->accesscookie); 601 } 602 603 static pnp_status_t 604 wsdisplay_power(device_t dv, pnp_request_t req, void *opaque) 605 { 606 struct wsdisplay_softc *sc; 607 pnp_capabilities_t *pcaps; 608 pnp_state_t *pstate; 609 610 sc = (struct wsdisplay_softc *)dv; 611 612 switch (req) { 613 case PNP_REQUEST_GET_CAPABILITIES: 614 pcaps = opaque; 615 pcaps->state = PNP_STATE_D0 | PNP_STATE_D3; 616 break; 617 case PNP_REQUEST_GET_STATE: 618 pstate = opaque; 619 *pstate = PNP_STATE_D0; /* XXX */ 620 break; 621 case PNP_REQUEST_SET_STATE: 622 pstate = opaque; 623 switch (*pstate) { 624 case PNP_STATE_D0: 625 wsdisplay_switchto(sc->sc_pmstate.screen); 626 break; 627 case PNP_STATE_D3: 628 if (sc->sc_focus != NULL) 629 sc->sc_pmstate.screen = sc->sc_focusidx; 630 else 631 sc->sc_pmstate.screen = 0; 632 wsdisplay_switchto(0); 633 break; 634 default: 635 return PNP_STATUS_UNSUPPORTED; 636 } 637 break; 638 default: 639 return PNP_STATUS_UNSUPPORTED; 640 } 641 642 return PNP_STATUS_SUCCESS; 643 } 644 645 /* Print function (for parent devices). */ 646 int 647 wsdisplaydevprint(void *aux, const char *pnp) 648 { 649 #if 0 /* -Wunused */ 650 struct wsdisplaydev_attach_args *ap = aux; 651 #endif 652 653 if (pnp) 654 aprint_normal("wsdisplay at %s", pnp); 655 656 return (UNCONF); 657 } 658 659 static void 660 wsdisplay_common_attach(struct wsdisplay_softc *sc, int console, int kbdmux, 661 const struct wsscreen_list *scrdata, 662 const struct wsdisplay_accessops *accessops, 663 void *accesscookie) 664 { 665 static int hookset; 666 int i, start=0; 667 #if NWSKBD > 0 668 struct wsevsrc *kme; 669 #if NWSMUX > 0 670 struct wsmux_softc *mux; 671 672 if (kbdmux >= 0) 673 mux = wsmux_getmux(kbdmux); 674 else 675 mux = wsmux_create("dmux", device_unit(&sc->sc_dv)); 676 /* XXX panic()ing isn't nice, but attach cannot fail */ 677 if (mux == NULL) 678 panic("wsdisplay_common_attach: no memory"); 679 sc->sc_input = &mux->sc_base; 680 mux->sc_base.me_dispdv = &sc->sc_dv; 681 printf(" kbdmux %d", kbdmux); 682 #else 683 if (kbdmux >= 0) 684 printf(" (kbdmux ignored)"); 685 #endif 686 #endif 687 688 sc->sc_isconsole = console; 689 690 if (console) { 691 KASSERT(wsdisplay_console_initted); 692 KASSERT(wsdisplay_console_device == NULL); 693 694 sc->sc_scr[0] = wsscreen_attach(sc, 1, 0, 0, 0, 0, 0, 0); 695 wsdisplay_console_device = sc; 696 697 printf(": console (%s, %s emulation)", 698 wsdisplay_console_conf.scrdata->name, 699 wsdisplay_console_conf.wsemul->name); 700 701 #if NWSKBD > 0 702 kme = wskbd_set_console_display(&sc->sc_dv, sc->sc_input); 703 if (kme != NULL) 704 printf(", using %s", kme->me_dv.dv_xname); 705 #if NWSMUX == 0 706 sc->sc_input = kme; 707 #endif 708 #endif 709 710 sc->sc_focusidx = 0; 711 sc->sc_focus = sc->sc_scr[0]; 712 start = 1; 713 714 wsdisplay_console_attached = 1; 715 } 716 printf("\n"); 717 718 #if NWSKBD > 0 && NWSMUX > 0 719 wsmux_set_display(mux, &sc->sc_dv); 720 #endif 721 722 sc->sc_accessops = accessops; 723 sc->sc_accesscookie = accesscookie; 724 sc->sc_scrdata = scrdata; 725 726 #ifdef WSDISPLAY_SCROLLSUPPORT 727 sc->sc_scroll_values = wsdisplay_default_scroll_values; 728 #endif 729 730 /* 731 * Set up a number of virtual screens if wanted. The 732 * WSDISPLAYIO_ADDSCREEN ioctl is more flexible, so this code 733 * is for special cases like installation kernels. 734 */ 735 for (i = start; i < wsdisplay_defaultscreens; i++) { 736 if (wsdisplay_addscreen(sc, i, 0, 0)) 737 break; 738 } 739 740 if (i > start) 741 wsdisplay_addscreen_print(sc, start, i-start); 742 743 if (pnp_register(&sc->sc_dv, wsdisplay_power) != PNP_STATUS_SUCCESS) 744 aprint_error("%s: couldn't establish power handler\n", 745 device_xname(&sc->sc_dv)); 746 747 if (hookset == 0) 748 shutdownhook_establish(wsdisplay_shutdownhook, NULL); 749 hookset = 1; 750 } 751 752 void 753 wsdisplay_cnattach(const struct wsscreen_descr *type, void *cookie, 754 int ccol, int crow, long defattr) 755 { 756 const struct wsemul_ops *wsemul; 757 758 KASSERT(wsdisplay_console_initted < 2); 759 KASSERT(type->nrows > 0); 760 KASSERT(type->ncols > 0); 761 KASSERT(crow < type->nrows); 762 KASSERT(ccol < type->ncols); 763 764 wsdisplay_console_conf.emulops = type->textops; 765 wsdisplay_console_conf.emulcookie = cookie; 766 wsdisplay_console_conf.scrdata = type; 767 768 wsemul = wsemul_pick(0); /* default */ 769 wsdisplay_console_conf.wsemul = wsemul; 770 wsdisplay_console_conf.wsemulcookie = (*wsemul->cnattach)(type, cookie, 771 ccol, crow, 772 defattr); 773 774 cn_tab = &wsdisplay_cons; 775 wsdisplay_console_initted = 2; 776 } 777 778 void 779 wsdisplay_preattach(const struct wsscreen_descr *type, void *cookie, 780 int ccol, int crow, long defattr) 781 { 782 const struct wsemul_ops *wsemul; 783 784 KASSERT(!wsdisplay_console_initted); 785 KASSERT(type->nrows > 0); 786 KASSERT(type->ncols > 0); 787 KASSERT(crow < type->nrows); 788 KASSERT(ccol < type->ncols); 789 790 wsdisplay_console_conf.emulops = type->textops; 791 wsdisplay_console_conf.emulcookie = cookie; 792 wsdisplay_console_conf.scrdata = type; 793 794 wsemul = wsemul_pick(0); /* default */ 795 wsdisplay_console_conf.wsemul = wsemul; 796 wsdisplay_console_conf.wsemulcookie = (*wsemul->cnattach)(type, cookie, 797 ccol, crow, 798 defattr); 799 800 cn_tab = &wsdisplay_cons; 801 wsdisplay_console_initted = 1; 802 } 803 804 /* 805 * Tty and cdevsw functions. 806 */ 807 int 808 wsdisplayopen(dev_t dev, int flag, int mode, struct lwp *l) 809 { 810 struct wsdisplay_softc *sc; 811 struct tty *tp; 812 int newopen, error; 813 struct wsscreen *scr; 814 815 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 816 if (sc == NULL) /* make sure it was attached */ 817 return (ENXIO); 818 819 if (ISWSDISPLAYSTAT(dev)) { 820 wsevent_init(&sc->evar, l->l_proc); 821 return (0); 822 } 823 824 if (ISWSDISPLAYCTL(dev)) 825 return (0); 826 827 if (WSDISPLAYSCREEN(dev) >= WSDISPLAY_MAXSCREEN) 828 return (ENXIO); 829 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 830 return (ENXIO); 831 832 if (WSSCREEN_HAS_TTY(scr)) { 833 tp = scr->scr_tty; 834 tp->t_oproc = wsdisplaystart; 835 tp->t_param = wsdisplayparam; 836 tp->t_dev = dev; 837 newopen = (tp->t_state & TS_ISOPEN) == 0; 838 839 if (kauth_authorize_device_tty(l->l_cred, 840 KAUTH_DEVICE_TTY_OPEN, tp)) 841 return (EBUSY); 842 843 if (newopen) { 844 ttychars(tp); 845 tp->t_iflag = TTYDEF_IFLAG; 846 tp->t_oflag = TTYDEF_OFLAG; 847 tp->t_cflag = TTYDEF_CFLAG; 848 tp->t_lflag = TTYDEF_LFLAG; 849 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 850 wsdisplayparam(tp, &tp->t_termios); 851 ttsetwater(tp); 852 } 853 tp->t_state |= TS_CARR_ON; 854 855 error = ((*tp->t_linesw->l_open)(dev, tp)); 856 if (error) 857 return (error); 858 859 if (newopen && WSSCREEN_HAS_EMULATOR(scr)) { 860 /* set window sizes as appropriate, and reset 861 the emulation */ 862 tp->t_winsize.ws_row = scr->scr_dconf->scrdata->nrows; 863 tp->t_winsize.ws_col = scr->scr_dconf->scrdata->ncols; 864 865 /* wsdisplay_set_emulation() */ 866 } 867 } 868 869 scr->scr_flags |= SCR_OPEN; 870 return (0); 871 } 872 873 int 874 wsdisplayclose(dev_t dev, int flag, int mode, struct lwp *l) 875 { 876 struct wsdisplay_softc *sc; 877 struct tty *tp; 878 struct wsscreen *scr; 879 880 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 881 882 if (ISWSDISPLAYSTAT(dev)) { 883 wsevent_fini(&sc->evar); 884 return (0); 885 } 886 887 if (ISWSDISPLAYCTL(dev)) 888 return (0); 889 890 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 891 return (0); 892 893 if (WSSCREEN_HAS_TTY(scr)) { 894 if (scr->scr_hold_screen) { 895 int s; 896 897 /* XXX RESET KEYBOARD LEDS, etc. */ 898 s = spltty(); /* avoid conflict with keyboard */ 899 wsdisplay_kbdholdscreen((struct device *)sc, 0); 900 splx(s); 901 } 902 tp = scr->scr_tty; 903 (*tp->t_linesw->l_close)(tp, flag); 904 ttyclose(tp); 905 } 906 907 if (scr->scr_syncops) 908 (*scr->scr_syncops->destroy)(scr->scr_synccookie); 909 910 if (WSSCREEN_HAS_EMULATOR(scr)) { 911 scr->scr_flags &= ~SCR_GRAPHICS; 912 (*scr->scr_dconf->wsemul->reset)(scr->scr_dconf->wsemulcookie, 913 WSEMUL_RESET); 914 if (wsdisplay_clearonclose) 915 (*scr->scr_dconf->wsemul->reset) 916 (scr->scr_dconf->wsemulcookie, 917 WSEMUL_CLEARSCREEN); 918 } 919 920 #ifdef WSDISPLAY_COMPAT_RAWKBD 921 if (scr->scr_rawkbd) { 922 int kbmode = WSKBD_TRANSLATED; 923 (void)wsdisplay_internal_ioctl(sc, scr, WSKBDIO_SETMODE, 924 (void *)&kbmode, 0, l); 925 } 926 #endif 927 928 scr->scr_flags &= ~SCR_OPEN; 929 930 return (0); 931 } 932 933 int 934 wsdisplayread(dev_t dev, struct uio *uio, int flag) 935 { 936 struct wsdisplay_softc *sc; 937 struct tty *tp; 938 struct wsscreen *scr; 939 int error; 940 941 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 942 943 if (ISWSDISPLAYSTAT(dev)) { 944 error = wsevent_read(&sc->evar, uio, flag); 945 return (error); 946 } 947 948 if (ISWSDISPLAYCTL(dev)) 949 return (0); 950 951 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 952 return (ENXIO); 953 954 if (!WSSCREEN_HAS_TTY(scr)) 955 return (ENODEV); 956 957 tp = scr->scr_tty; 958 return ((*tp->t_linesw->l_read)(tp, uio, flag)); 959 } 960 961 int 962 wsdisplaywrite(dev_t dev, struct uio *uio, int flag) 963 { 964 struct wsdisplay_softc *sc; 965 struct tty *tp; 966 struct wsscreen *scr; 967 968 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 969 970 if (ISWSDISPLAYSTAT(dev)) { 971 return (0); 972 } 973 974 if (ISWSDISPLAYCTL(dev)) 975 return (0); 976 977 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 978 return (ENXIO); 979 980 if (!WSSCREEN_HAS_TTY(scr)) 981 return (ENODEV); 982 983 tp = scr->scr_tty; 984 return ((*tp->t_linesw->l_write)(tp, uio, flag)); 985 } 986 987 int 988 wsdisplaypoll(dev_t dev, int events, struct lwp *l) 989 { 990 struct wsdisplay_softc *sc; 991 struct tty *tp; 992 struct wsscreen *scr; 993 994 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 995 996 if (ISWSDISPLAYSTAT(dev)) 997 return (wsevent_poll(&sc->evar, events, l)); 998 999 if (ISWSDISPLAYCTL(dev)) 1000 return (0); 1001 1002 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 1003 return (POLLHUP); 1004 1005 if (!WSSCREEN_HAS_TTY(scr)) 1006 return (POLLERR); 1007 1008 tp = scr->scr_tty; 1009 return ((*tp->t_linesw->l_poll)(tp, events, l)); 1010 } 1011 1012 int 1013 wsdisplaykqfilter(dev, kn) 1014 dev_t dev; 1015 struct knote *kn; 1016 { 1017 struct wsdisplay_softc *sc = 1018 device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 1019 struct wsscreen *scr; 1020 1021 if (ISWSDISPLAYCTL(dev)) 1022 return (1); 1023 1024 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 1025 return (1); 1026 1027 1028 if (WSSCREEN_HAS_TTY(scr)) 1029 return (ttykqfilter(dev, kn)); 1030 else 1031 return (1); 1032 } 1033 1034 struct tty * 1035 wsdisplaytty(dev_t dev) 1036 { 1037 struct wsdisplay_softc *sc; 1038 struct wsscreen *scr; 1039 1040 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 1041 1042 if (ISWSDISPLAYSTAT(dev)) 1043 panic("wsdisplaytty() on status device"); 1044 1045 if (ISWSDISPLAYCTL(dev)) 1046 panic("wsdisplaytty() on ctl device"); 1047 1048 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 1049 return NULL; 1050 1051 return (scr->scr_tty); 1052 } 1053 1054 int 1055 wsdisplayioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l) 1056 { 1057 struct wsdisplay_softc *sc; 1058 struct tty *tp; 1059 int error; 1060 struct wsscreen *scr; 1061 1062 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 1063 1064 #ifdef WSDISPLAY_COMPAT_USL 1065 error = wsdisplay_usl_ioctl1(sc, cmd, data, flag, l); 1066 if (error != EPASSTHROUGH) 1067 return (error); 1068 #endif 1069 1070 if (ISWSDISPLAYSTAT(dev)) 1071 return (wsdisplay_stat_ioctl(sc, cmd, data, flag, l)); 1072 1073 if (ISWSDISPLAYCTL(dev)) 1074 return (wsdisplay_cfg_ioctl(sc, cmd, data, flag, l)); 1075 1076 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 1077 return (ENXIO); 1078 1079 if (WSSCREEN_HAS_TTY(scr)) { 1080 tp = scr->scr_tty; 1081 1082 /* printf("disc\n"); */ 1083 /* do the line discipline ioctls first */ 1084 error = (*tp->t_linesw->l_ioctl)(tp, cmd, data, flag, l); 1085 if (error != EPASSTHROUGH) 1086 return (error); 1087 1088 /* printf("tty\n"); */ 1089 /* then the tty ioctls */ 1090 error = ttioctl(tp, cmd, data, flag, l); 1091 if (error != EPASSTHROUGH) 1092 return (error); 1093 } 1094 1095 #ifdef WSDISPLAY_COMPAT_USL 1096 error = wsdisplay_usl_ioctl2(sc, scr, cmd, data, flag, l); 1097 if (error != EPASSTHROUGH) 1098 return (error); 1099 #endif 1100 1101 return (wsdisplay_internal_ioctl(sc, scr, cmd, data, flag, l)); 1102 } 1103 1104 int 1105 wsdisplay_param(struct device *dev, u_long cmd, struct wsdisplay_param *dp) 1106 { 1107 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 1108 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie, 1109 sc->sc_focus->scr_dconf->emulcookie, 1110 cmd, (void *)dp, 0, NULL)); 1111 } 1112 1113 int 1114 wsdisplay_internal_ioctl(struct wsdisplay_softc *sc, struct wsscreen *scr, 1115 u_long cmd, void *data, int flag, struct lwp *l) 1116 { 1117 int error; 1118 char namebuf[16]; 1119 struct wsdisplay_font fd; 1120 #ifdef WSDISPLAY_SCROLLSUPPORT 1121 struct wsdisplay_scroll_data *ksdp, *usdp; 1122 #endif 1123 1124 #if NWSKBD > 0 1125 struct wsevsrc *inp; 1126 1127 #ifdef WSDISPLAY_COMPAT_RAWKBD 1128 switch (cmd) { 1129 case WSKBDIO_SETMODE: 1130 scr->scr_rawkbd = (*(int *)data == WSKBD_RAW); 1131 return (wsdisplay_update_rawkbd(sc, scr)); 1132 case WSKBDIO_GETMODE: 1133 *(int *)data = (scr->scr_rawkbd ? 1134 WSKBD_RAW : WSKBD_TRANSLATED); 1135 return (0); 1136 } 1137 #endif 1138 inp = sc->sc_input; 1139 if (inp == NULL) 1140 return (ENXIO); 1141 error = wsevsrc_display_ioctl(inp, cmd, data, flag, l); 1142 if (error != EPASSTHROUGH) 1143 return (error); 1144 #endif /* NWSKBD > 0 */ 1145 1146 switch (cmd) { 1147 case WSDISPLAYIO_GMODE: 1148 if (scr->scr_flags & SCR_GRAPHICS) { 1149 if (scr->scr_flags & SCR_DUMBFB) 1150 *(u_int *)data = WSDISPLAYIO_MODE_DUMBFB; 1151 else 1152 *(u_int *)data = WSDISPLAYIO_MODE_MAPPED; 1153 } else 1154 *(u_int *)data = WSDISPLAYIO_MODE_EMUL; 1155 return (0); 1156 1157 case WSDISPLAYIO_SMODE: 1158 #define d (*(int *)data) 1159 if (d != WSDISPLAYIO_MODE_EMUL && 1160 d != WSDISPLAYIO_MODE_MAPPED && 1161 d != WSDISPLAYIO_MODE_DUMBFB) 1162 return (EINVAL); 1163 1164 if (WSSCREEN_HAS_EMULATOR(scr)) { 1165 scr->scr_flags &= ~SCR_GRAPHICS; 1166 if (d == WSDISPLAYIO_MODE_MAPPED || 1167 d == WSDISPLAYIO_MODE_DUMBFB) 1168 scr->scr_flags |= SCR_GRAPHICS | 1169 ((d == WSDISPLAYIO_MODE_DUMBFB) ? SCR_DUMBFB : 0); 1170 } else if (d == WSDISPLAYIO_MODE_EMUL) 1171 return (EINVAL); 1172 1173 (void)(*sc->sc_accessops->ioctl)(sc->sc_accesscookie, 1174 scr->scr_dconf->emulcookie, cmd, data, flag, l); 1175 1176 return (0); 1177 #undef d 1178 1179 #ifdef WSDISPLAY_SCROLLSUPPORT 1180 #define SETSCROLLLINES(dstp, srcp, dfltp) \ 1181 do { \ 1182 (dstp)->fastlines = ((srcp)->which & \ 1183 WSDISPLAY_SCROLL_DOFASTLINES) ? \ 1184 (srcp)->fastlines : (dfltp)->fastlines; \ 1185 (dstp)->slowlines = ((srcp)->which & \ 1186 WSDISPLAY_SCROLL_DOSLOWLINES) ? \ 1187 (srcp)->slowlines : (dfltp)->slowlines; \ 1188 (dstp)->which = WSDISPLAY_SCROLL_DOALL; \ 1189 } while (0) 1190 1191 1192 case WSDISPLAYIO_DSSCROLL: 1193 usdp = (struct wsdisplay_scroll_data *)data; 1194 ksdp = &sc->sc_scroll_values; 1195 SETSCROLLLINES(ksdp, usdp, ksdp); 1196 return (0); 1197 1198 case WSDISPLAYIO_DGSCROLL: 1199 usdp = (struct wsdisplay_scroll_data *)data; 1200 ksdp = &sc->sc_scroll_values; 1201 SETSCROLLLINES(usdp, ksdp, ksdp); 1202 return (0); 1203 #else 1204 case WSDISPLAYIO_DSSCROLL: 1205 case WSDISPLAYIO_DGSCROLL: 1206 return ENODEV; 1207 #endif 1208 1209 case WSDISPLAYIO_SFONT: 1210 #define d ((struct wsdisplay_usefontdata *)data) 1211 if (!sc->sc_accessops->load_font) 1212 return (EINVAL); 1213 if (d->name) { 1214 error = copyinstr(d->name, namebuf, sizeof(namebuf), 0); 1215 if (error) 1216 return (error); 1217 fd.name = namebuf; 1218 } else 1219 fd.name = 0; 1220 fd.data = 0; 1221 error = (*sc->sc_accessops->load_font)(sc->sc_accesscookie, 1222 scr->scr_dconf->emulcookie, &fd); 1223 if (!error && WSSCREEN_HAS_EMULATOR(scr)) 1224 (*scr->scr_dconf->wsemul->reset) 1225 (scr->scr_dconf->wsemulcookie, WSEMUL_SYNCFONT); 1226 return (error); 1227 #undef d 1228 1229 #ifdef WSDISPLAY_CUSTOM_OUTPUT 1230 case WSDISPLAYIO_GMSGATTRS: 1231 #define d ((struct wsdisplay_msgattrs *)data) 1232 (*scr->scr_dconf->wsemul->getmsgattrs) 1233 (scr->scr_dconf->wsemulcookie, d); 1234 return (0); 1235 #undef d 1236 1237 case WSDISPLAYIO_SMSGATTRS: { 1238 #define d ((struct wsdisplay_msgattrs *)data) 1239 int i; 1240 for (i = 0; i < WSDISPLAY_MAXSCREEN; i++) 1241 if (sc->sc_scr[i] != NULL) 1242 (*sc->sc_scr[i]->scr_dconf->wsemul->setmsgattrs) 1243 (sc->sc_scr[i]->scr_dconf->wsemulcookie, 1244 sc->sc_scr[i]->scr_dconf->scrdata, 1245 d); 1246 } 1247 return (0); 1248 #undef d 1249 #else 1250 case WSDISPLAYIO_GMSGATTRS: 1251 case WSDISPLAYIO_SMSGATTRS: 1252 return (ENODEV); 1253 #endif 1254 } 1255 1256 /* check ioctls for display */ 1257 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie, 1258 scr->scr_dconf->emulcookie, cmd, data, flag, l)); 1259 } 1260 1261 int 1262 wsdisplay_stat_ioctl(struct wsdisplay_softc *sc, u_long cmd, void *data, 1263 int flag, struct lwp *l) 1264 { 1265 switch (cmd) { 1266 case WSDISPLAYIO_GETACTIVESCREEN: 1267 *(int*)data = wsdisplay_getactivescreen(sc); 1268 return (0); 1269 } 1270 1271 return (EPASSTHROUGH); 1272 } 1273 1274 int 1275 wsdisplay_cfg_ioctl(struct wsdisplay_softc *sc, u_long cmd, void *data, 1276 int flag, struct lwp *l) 1277 { 1278 int error; 1279 char *type, typebuf[16], *emul, emulbuf[16]; 1280 void *tbuf; 1281 u_int fontsz; 1282 #if defined(COMPAT_14) && NWSKBD > 0 1283 struct wsmux_device wsmuxdata; 1284 #endif 1285 #if NWSKBD > 0 1286 struct wsevsrc *inp; 1287 #endif 1288 1289 switch (cmd) { 1290 case WSDISPLAYIO_ADDSCREEN: 1291 #define d ((struct wsdisplay_addscreendata *)data) 1292 if (d->screentype) { 1293 error = copyinstr(d->screentype, typebuf, 1294 sizeof(typebuf), 0); 1295 if (error) 1296 return (error); 1297 type = typebuf; 1298 } else 1299 type = 0; 1300 if (d->emul) { 1301 error = copyinstr(d->emul, emulbuf, sizeof(emulbuf),0); 1302 if (error) 1303 return (error); 1304 emul = emulbuf; 1305 } else 1306 emul = 0; 1307 1308 if ((error = wsdisplay_addscreen(sc, d->idx, type, emul)) == 0) 1309 wsdisplay_addscreen_print(sc, d->idx, 0); 1310 return (error); 1311 #undef d 1312 case WSDISPLAYIO_DELSCREEN: 1313 #define d ((struct wsdisplay_delscreendata *)data) 1314 return (wsdisplay_delscreen(sc, d->idx, d->flags)); 1315 #undef d 1316 case WSDISPLAYIO_LDFONT: 1317 #define d ((struct wsdisplay_font *)data) 1318 if (!sc->sc_accessops->load_font) 1319 return (EINVAL); 1320 if (d->name) { 1321 error = copyinstr(d->name, typebuf, sizeof(typebuf), 0); 1322 if (error) 1323 return (error); 1324 d->name = typebuf; 1325 } else 1326 d->name = "loaded"; /* ??? */ 1327 fontsz = d->fontheight * d->stride * d->numchars; 1328 if (fontsz > WSDISPLAY_MAXFONTSZ) 1329 return (EINVAL); 1330 1331 tbuf = malloc(fontsz, M_DEVBUF, M_WAITOK); 1332 error = copyin(d->data, tbuf, fontsz); 1333 if (error) { 1334 free(tbuf, M_DEVBUF); 1335 return (error); 1336 } 1337 d->data = tbuf; 1338 error = 1339 (*sc->sc_accessops->load_font)(sc->sc_accesscookie, 0, d); 1340 free(tbuf, M_DEVBUF); 1341 #undef d 1342 return (error); 1343 1344 #if NWSKBD > 0 1345 #ifdef COMPAT_14 1346 case _O_WSDISPLAYIO_SETKEYBOARD: 1347 #define d ((struct wsdisplay_kbddata *)data) 1348 inp = sc->sc_input; 1349 if (inp == NULL) 1350 return (ENXIO); 1351 switch (d->op) { 1352 case _O_WSDISPLAY_KBD_ADD: 1353 if (d->idx == -1) { 1354 d->idx = wskbd_pickfree(); 1355 if (d->idx == -1) 1356 return (ENXIO); 1357 } 1358 wsmuxdata.type = WSMUX_KBD; 1359 wsmuxdata.idx = d->idx; 1360 return (wsevsrc_ioctl(inp, WSMUX_ADD_DEVICE, 1361 &wsmuxdata, flag, l)); 1362 case _O_WSDISPLAY_KBD_DEL: 1363 wsmuxdata.type = WSMUX_KBD; 1364 wsmuxdata.idx = d->idx; 1365 return (wsevsrc_ioctl(inp, WSMUX_REMOVE_DEVICE, 1366 &wsmuxdata, flag, l)); 1367 default: 1368 return (EINVAL); 1369 } 1370 #undef d 1371 #endif 1372 1373 case WSMUXIO_ADD_DEVICE: 1374 #define d ((struct wsmux_device *)data) 1375 if (d->idx == -1 && d->type == WSMUX_KBD) 1376 d->idx = wskbd_pickfree(); 1377 #undef d 1378 /* fall into */ 1379 case WSMUXIO_INJECTEVENT: 1380 case WSMUXIO_REMOVE_DEVICE: 1381 case WSMUXIO_LIST_DEVICES: 1382 inp = sc->sc_input; 1383 if (inp == NULL) 1384 return (ENXIO); 1385 return (wsevsrc_ioctl(inp, cmd, data, flag, l)); 1386 #endif /* NWSKBD > 0 */ 1387 1388 } 1389 return (EPASSTHROUGH); 1390 } 1391 1392 int 1393 wsdisplay_stat_inject(struct device *dev, u_int type, int value) 1394 { 1395 struct wsdisplay_softc *sc = (struct wsdisplay_softc *) dev; 1396 struct wseventvar *evar; 1397 struct wscons_event event; 1398 1399 evar = &sc->evar; 1400 1401 if (evar == NULL) 1402 return (0); 1403 1404 if (evar->q == NULL) 1405 return (1); 1406 1407 event.type = type; 1408 event.value = value; 1409 if (wsevent_inject(evar, &event, 1) != 0) { 1410 log(LOG_WARNING, "wsdisplay: event queue overflow\n"); 1411 return (1); 1412 } 1413 1414 return (0); 1415 } 1416 1417 paddr_t 1418 wsdisplaymmap(dev_t dev, off_t offset, int prot) 1419 { 1420 struct wsdisplay_softc *sc = 1421 device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 1422 struct wsscreen *scr; 1423 1424 if (ISWSDISPLAYSTAT(dev)) 1425 return (-1); 1426 1427 if (ISWSDISPLAYCTL(dev)) 1428 return (-1); 1429 1430 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 1431 return (-1); 1432 1433 if (!(scr->scr_flags & SCR_GRAPHICS)) 1434 return (-1); 1435 1436 /* pass mmap to display */ 1437 return ((*sc->sc_accessops->mmap)(sc->sc_accesscookie, 1438 scr->scr_dconf->emulcookie, offset, prot)); 1439 } 1440 1441 void 1442 wsdisplaystart(struct tty *tp) 1443 { 1444 struct wsdisplay_softc *sc; 1445 struct wsscreen *scr; 1446 int s, n; 1447 u_char *tbuf; 1448 1449 s = spltty(); 1450 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) { 1451 splx(s); 1452 return; 1453 } 1454 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(tp->t_dev)); 1455 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(tp->t_dev)]) == NULL) { 1456 splx(s); 1457 return; 1458 } 1459 1460 if (scr->scr_hold_screen) { 1461 tp->t_state |= TS_TIMEOUT; 1462 splx(s); 1463 return; 1464 } 1465 tp->t_state |= TS_BUSY; 1466 splx(s); 1467 1468 /* 1469 * Drain output from ring buffer. 1470 * The output will normally be in one contiguous chunk, but when the 1471 * ring wraps, it will be in two pieces.. one at the end of the ring, 1472 * the other at the start. For performance, rather than loop here, 1473 * we output one chunk, see if there's another one, and if so, output 1474 * it too. 1475 */ 1476 1477 n = ndqb(&tp->t_outq, 0); 1478 tbuf = tp->t_outq.c_cf; 1479 1480 if (!(scr->scr_flags & SCR_GRAPHICS)) { 1481 KASSERT(WSSCREEN_HAS_EMULATOR(scr)); 1482 (*scr->scr_dconf->wsemul->output)(scr->scr_dconf->wsemulcookie, 1483 tbuf, n, 0); 1484 } 1485 ndflush(&tp->t_outq, n); 1486 1487 if ((n = ndqb(&tp->t_outq, 0)) > 0) { 1488 tbuf = tp->t_outq.c_cf; 1489 1490 if (!(scr->scr_flags & SCR_GRAPHICS)) { 1491 KASSERT(WSSCREEN_HAS_EMULATOR(scr)); 1492 (*scr->scr_dconf->wsemul->output) 1493 (scr->scr_dconf->wsemulcookie, tbuf, n, 0); 1494 } 1495 ndflush(&tp->t_outq, n); 1496 } 1497 1498 s = spltty(); 1499 tp->t_state &= ~TS_BUSY; 1500 /* Come back if there's more to do */ 1501 if (tp->t_outq.c_cc) { 1502 tp->t_state |= TS_TIMEOUT; 1503 callout_reset(&tp->t_rstrt_ch, (hz > 128) ? (hz / 128) : 1, 1504 ttrstrt, tp); 1505 } 1506 if (tp->t_outq.c_cc <= tp->t_lowat) { 1507 if (tp->t_state&TS_ASLEEP) { 1508 tp->t_state &= ~TS_ASLEEP; 1509 wakeup(&tp->t_outq); 1510 } 1511 selwakeup(&tp->t_wsel); 1512 } 1513 splx(s); 1514 } 1515 1516 void 1517 wsdisplaystop(struct tty *tp, int flag) 1518 { 1519 int s; 1520 1521 s = spltty(); 1522 if (ISSET(tp->t_state, TS_BUSY)) 1523 if (!ISSET(tp->t_state, TS_TTSTOP)) 1524 SET(tp->t_state, TS_FLUSH); 1525 splx(s); 1526 } 1527 1528 /* Set line parameters. */ 1529 int 1530 wsdisplayparam(struct tty *tp, struct termios *t) 1531 { 1532 1533 tp->t_ispeed = t->c_ispeed; 1534 tp->t_ospeed = t->c_ospeed; 1535 tp->t_cflag = t->c_cflag; 1536 return 0; 1537 } 1538 1539 /* 1540 * Callbacks for the emulation code. 1541 */ 1542 void 1543 wsdisplay_emulbell(void *v) 1544 { 1545 struct wsscreen *scr = v; 1546 1547 if (scr == NULL) /* console, before real attach */ 1548 return; 1549 1550 if (scr->scr_flags & SCR_GRAPHICS) /* can this happen? */ 1551 return; 1552 1553 (void) wsdisplay_internal_ioctl(scr->sc, scr, WSKBDIO_BELL, NULL, 1554 FWRITE, NULL); 1555 } 1556 1557 void 1558 wsdisplay_emulinput(void *v, const u_char *data, u_int count) 1559 { 1560 struct wsscreen *scr = v; 1561 struct tty *tp; 1562 1563 if (v == NULL) /* console, before real attach */ 1564 return; 1565 1566 if (scr->scr_flags & SCR_GRAPHICS) /* XXX can't happen */ 1567 return; 1568 if (!WSSCREEN_HAS_TTY(scr)) 1569 return; 1570 1571 tp = scr->scr_tty; 1572 while (count-- > 0) 1573 (*tp->t_linesw->l_rint)(*data++, tp); 1574 } 1575 1576 /* 1577 * Calls from the keyboard interface. 1578 */ 1579 void 1580 wsdisplay_kbdinput(struct device *dev, keysym_t ks) 1581 { 1582 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 1583 struct wsscreen *scr; 1584 const char *dp; 1585 int count; 1586 struct tty *tp; 1587 1588 KASSERT(sc != NULL); 1589 1590 scr = sc->sc_focus; 1591 1592 if (!scr || !WSSCREEN_HAS_TTY(scr)) 1593 return; 1594 1595 tp = scr->scr_tty; 1596 1597 if (KS_GROUP(ks) == KS_GROUP_Ascii) 1598 (*tp->t_linesw->l_rint)(KS_VALUE(ks), tp); 1599 else if (WSSCREEN_HAS_EMULATOR(scr)) { 1600 count = (*scr->scr_dconf->wsemul->translate) 1601 (scr->scr_dconf->wsemulcookie, ks, &dp); 1602 while (count-- > 0) 1603 (*tp->t_linesw->l_rint)(*dp++, tp); 1604 } 1605 } 1606 1607 #if defined(WSDISPLAY_COMPAT_RAWKBD) 1608 int 1609 wsdisplay_update_rawkbd(struct wsdisplay_softc *sc, struct wsscreen *scr) 1610 { 1611 #if NWSKBD > 0 1612 int s, raw, data, error; 1613 struct wsevsrc *inp; 1614 1615 s = spltty(); 1616 1617 raw = (scr ? scr->scr_rawkbd : 0); 1618 1619 if (scr != sc->sc_focus || 1620 sc->sc_rawkbd == raw) { 1621 splx(s); 1622 return (0); 1623 } 1624 1625 data = raw ? WSKBD_RAW : WSKBD_TRANSLATED; 1626 inp = sc->sc_input; 1627 if (inp == NULL) { 1628 splx(s); 1629 return (ENXIO); 1630 } 1631 error = wsevsrc_display_ioctl(inp, WSKBDIO_SETMODE, &data, 0, 0); 1632 if (!error) 1633 sc->sc_rawkbd = raw; 1634 splx(s); 1635 return (error); 1636 #else 1637 return (0); 1638 #endif 1639 } 1640 #endif 1641 1642 int 1643 wsdisplay_switch3(void *arg, int error, int waitok) 1644 { 1645 struct wsdisplay_softc *sc = arg; 1646 int no; 1647 struct wsscreen *scr; 1648 1649 if (!(sc->sc_flags & SC_SWITCHPENDING)) { 1650 printf("wsdisplay_switch3: not switching\n"); 1651 return (EINVAL); 1652 } 1653 1654 no = sc->sc_screenwanted; 1655 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1656 panic("wsdisplay_switch3: invalid screen %d", no); 1657 scr = sc->sc_scr[no]; 1658 if (!scr) { 1659 printf("wsdisplay_switch3: screen %d disappeared\n", no); 1660 error = ENXIO; 1661 } 1662 1663 if (error) { 1664 /* try to recover, avoid recursion */ 1665 1666 if (sc->sc_oldscreen == WSDISPLAY_NULLSCREEN) { 1667 printf("wsdisplay_switch3: giving up\n"); 1668 sc->sc_focus = 0; 1669 #ifdef WSDISPLAY_COMPAT_RAWKBD 1670 wsdisplay_update_rawkbd(sc, 0); 1671 #endif 1672 sc->sc_flags &= ~SC_SWITCHPENDING; 1673 return (error); 1674 } 1675 1676 sc->sc_screenwanted = sc->sc_oldscreen; 1677 sc->sc_oldscreen = WSDISPLAY_NULLSCREEN; 1678 return (wsdisplay_switch1(arg, 0, waitok)); 1679 } 1680 1681 sc->sc_flags &= ~SC_SWITCHPENDING; 1682 1683 if (!error && (scr->scr_flags & SCR_WAITACTIVE)) 1684 wakeup(scr); 1685 return (error); 1686 } 1687 1688 int 1689 wsdisplay_switch2(void *arg, int error, int waitok) 1690 { 1691 struct wsdisplay_softc *sc = arg; 1692 int no; 1693 struct wsscreen *scr; 1694 1695 if (!(sc->sc_flags & SC_SWITCHPENDING)) { 1696 printf("wsdisplay_switch2: not switching\n"); 1697 return (EINVAL); 1698 } 1699 1700 no = sc->sc_screenwanted; 1701 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1702 panic("wsdisplay_switch2: invalid screen %d", no); 1703 scr = sc->sc_scr[no]; 1704 if (!scr) { 1705 printf("wsdisplay_switch2: screen %d disappeared\n", no); 1706 error = ENXIO; 1707 } 1708 1709 if (error) { 1710 /* try to recover, avoid recursion */ 1711 1712 if (sc->sc_oldscreen == WSDISPLAY_NULLSCREEN) { 1713 printf("wsdisplay_switch2: giving up\n"); 1714 sc->sc_focus = 0; 1715 sc->sc_flags &= ~SC_SWITCHPENDING; 1716 return (error); 1717 } 1718 1719 sc->sc_screenwanted = sc->sc_oldscreen; 1720 sc->sc_oldscreen = WSDISPLAY_NULLSCREEN; 1721 return (wsdisplay_switch1(arg, 0, waitok)); 1722 } 1723 1724 sc->sc_focusidx = no; 1725 sc->sc_focus = scr; 1726 1727 #ifdef WSDISPLAY_COMPAT_RAWKBD 1728 (void) wsdisplay_update_rawkbd(sc, scr); 1729 #endif 1730 /* keyboard map??? */ 1731 1732 #define wsswitch_cb3 ((void (*)(void *, int, int))wsdisplay_switch3) 1733 if (scr->scr_syncops) { 1734 error = (*scr->scr_syncops->attach)(scr->scr_synccookie, waitok, 1735 sc->sc_isconsole && wsdisplay_cons_pollmode ? 0 : wsswitch_cb3, sc); 1736 if (error == EAGAIN) { 1737 /* switch will be done asynchronously */ 1738 return (0); 1739 } 1740 } 1741 1742 return (wsdisplay_switch3(sc, error, waitok)); 1743 } 1744 1745 int 1746 wsdisplay_switch1(void *arg, int error, int waitok) 1747 { 1748 struct wsdisplay_softc *sc = arg; 1749 int no; 1750 struct wsscreen *scr; 1751 1752 if (!(sc->sc_flags & SC_SWITCHPENDING)) { 1753 printf("wsdisplay_switch1: not switching\n"); 1754 return (EINVAL); 1755 } 1756 1757 no = sc->sc_screenwanted; 1758 if (no == WSDISPLAY_NULLSCREEN) { 1759 sc->sc_flags &= ~SC_SWITCHPENDING; 1760 if (!error) { 1761 sc->sc_focus = 0; 1762 } 1763 wakeup(sc); 1764 return (error); 1765 } 1766 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1767 panic("wsdisplay_switch1: invalid screen %d", no); 1768 scr = sc->sc_scr[no]; 1769 if (!scr) { 1770 printf("wsdisplay_switch1: screen %d disappeared\n", no); 1771 error = ENXIO; 1772 } 1773 1774 if (error) { 1775 sc->sc_flags &= ~SC_SWITCHPENDING; 1776 return (error); 1777 } 1778 1779 #define wsswitch_cb2 ((void (*)(void *, int, int))wsdisplay_switch2) 1780 error = (*sc->sc_accessops->show_screen)(sc->sc_accesscookie, 1781 scr->scr_dconf->emulcookie, 1782 waitok, 1783 sc->sc_isconsole && wsdisplay_cons_pollmode ? 0 : wsswitch_cb2, sc); 1784 if (error == EAGAIN) { 1785 /* switch will be done asynchronously */ 1786 return (0); 1787 } 1788 1789 return (wsdisplay_switch2(sc, error, waitok)); 1790 } 1791 1792 int 1793 wsdisplay_switch(struct device *dev, int no, int waitok) 1794 { 1795 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 1796 int s, res = 0; 1797 struct wsscreen *scr; 1798 1799 if (no != WSDISPLAY_NULLSCREEN) { 1800 if ((no < 0 || no >= WSDISPLAY_MAXSCREEN)) 1801 return (EINVAL); 1802 if (sc->sc_scr[no] == NULL) 1803 return (ENXIO); 1804 } 1805 1806 wsdisplay_stat_inject(dev, WSCONS_EVENT_SCREEN_SWITCH, no); 1807 1808 s = spltty(); 1809 1810 if ((sc->sc_focus && no == sc->sc_focusidx) || 1811 (sc->sc_focus == NULL && no == WSDISPLAY_NULLSCREEN)) { 1812 splx(s); 1813 return (0); 1814 } 1815 1816 if (sc->sc_flags & SC_SWITCHPENDING) { 1817 splx(s); 1818 return (EBUSY); 1819 } 1820 1821 sc->sc_flags |= SC_SWITCHPENDING; 1822 sc->sc_screenwanted = no; 1823 1824 splx(s); 1825 1826 scr = sc->sc_focus; 1827 if (!scr) { 1828 sc->sc_oldscreen = WSDISPLAY_NULLSCREEN; 1829 return (wsdisplay_switch1(sc, 0, waitok)); 1830 } else 1831 sc->sc_oldscreen = sc->sc_focusidx; 1832 1833 #define wsswitch_cb1 ((void (*)(void *, int, int))wsdisplay_switch1) 1834 if (scr->scr_syncops) { 1835 res = (*scr->scr_syncops->detach)(scr->scr_synccookie, waitok, 1836 sc->sc_isconsole && wsdisplay_cons_pollmode ? 0 : wsswitch_cb1, sc); 1837 if (res == EAGAIN) { 1838 /* switch will be done asynchronously */ 1839 return (0); 1840 } 1841 } else if (scr->scr_flags & SCR_GRAPHICS) { 1842 /* no way to save state */ 1843 res = EBUSY; 1844 } 1845 1846 return (wsdisplay_switch1(sc, res, waitok)); 1847 } 1848 1849 void 1850 wsdisplay_reset(struct device *dev, enum wsdisplay_resetops op) 1851 { 1852 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 1853 struct wsscreen *scr; 1854 1855 KASSERT(sc != NULL); 1856 scr = sc->sc_focus; 1857 1858 if (!scr) 1859 return; 1860 1861 switch (op) { 1862 case WSDISPLAY_RESETEMUL: 1863 if (!WSSCREEN_HAS_EMULATOR(scr)) 1864 break; 1865 (*scr->scr_dconf->wsemul->reset)(scr->scr_dconf->wsemulcookie, 1866 WSEMUL_RESET); 1867 break; 1868 case WSDISPLAY_RESETCLOSE: 1869 wsdisplay_closescreen(sc, scr); 1870 break; 1871 } 1872 } 1873 1874 /* 1875 * Interface for (external) VT switch / process synchronization code 1876 */ 1877 int 1878 wsscreen_attach_sync(struct wsscreen *scr, const struct wscons_syncops *ops, 1879 void *cookie) 1880 { 1881 if (scr->scr_syncops) { 1882 /* 1883 * The screen is already claimed. 1884 * Check if the owner is still alive. 1885 */ 1886 if ((*scr->scr_syncops->check)(scr->scr_synccookie)) 1887 return (EBUSY); 1888 } 1889 scr->scr_syncops = ops; 1890 scr->scr_synccookie = cookie; 1891 return (0); 1892 } 1893 1894 int 1895 wsscreen_detach_sync(struct wsscreen *scr) 1896 { 1897 if (!scr->scr_syncops) 1898 return (EINVAL); 1899 scr->scr_syncops = 0; 1900 return (0); 1901 } 1902 1903 int 1904 wsscreen_lookup_sync(struct wsscreen *scr, 1905 const struct wscons_syncops *ops, /* used as ID */ 1906 void **cookiep) 1907 { 1908 if (!scr->scr_syncops || ops != scr->scr_syncops) 1909 return (EINVAL); 1910 *cookiep = scr->scr_synccookie; 1911 return (0); 1912 } 1913 1914 /* 1915 * Interface to virtual screen stuff 1916 */ 1917 int 1918 wsdisplay_maxscreenidx(struct wsdisplay_softc *sc) 1919 { 1920 return (WSDISPLAY_MAXSCREEN - 1); 1921 } 1922 1923 int 1924 wsdisplay_screenstate(struct wsdisplay_softc *sc, int idx) 1925 { 1926 if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN) 1927 return (EINVAL); 1928 if (!sc->sc_scr[idx]) 1929 return (ENXIO); 1930 return ((sc->sc_scr[idx]->scr_flags & SCR_OPEN) ? EBUSY : 0); 1931 } 1932 1933 int 1934 wsdisplay_getactivescreen(struct wsdisplay_softc *sc) 1935 { 1936 return (sc->sc_focus ? sc->sc_focusidx : WSDISPLAY_NULLSCREEN); 1937 } 1938 1939 int 1940 wsscreen_switchwait(struct wsdisplay_softc *sc, int no) 1941 { 1942 struct wsscreen *scr; 1943 int s, res = 0; 1944 1945 if (no == WSDISPLAY_NULLSCREEN) { 1946 s = spltty(); 1947 while (sc->sc_focus && res == 0) { 1948 res = tsleep(sc, PCATCH, "wswait", 0); 1949 } 1950 splx(s); 1951 return (res); 1952 } 1953 1954 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1955 return (ENXIO); 1956 scr = sc->sc_scr[no]; 1957 if (!scr) 1958 return (ENXIO); 1959 1960 s = spltty(); 1961 if (scr != sc->sc_focus) { 1962 scr->scr_flags |= SCR_WAITACTIVE; 1963 res = tsleep(scr, PCATCH, "wswait", 0); 1964 if (scr != sc->sc_scr[no]) 1965 res = ENXIO; /* disappeared in the meantime */ 1966 else 1967 scr->scr_flags &= ~SCR_WAITACTIVE; 1968 } 1969 splx(s); 1970 return (res); 1971 } 1972 1973 void 1974 wsdisplay_kbdholdscreen(struct device *dev, int hold) 1975 { 1976 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 1977 struct wsscreen *scr; 1978 1979 scr = sc->sc_focus; 1980 1981 if (hold) 1982 scr->scr_hold_screen = 1; 1983 else { 1984 scr->scr_hold_screen = 0; 1985 callout_reset(&scr->scr_tty->t_rstrt_ch, 0, 1986 ttrstrt, scr->scr_tty); /* "immediate" */ 1987 } 1988 } 1989 1990 #if NWSKBD > 0 1991 void 1992 wsdisplay_set_console_kbd(struct wsevsrc *src) 1993 { 1994 if (wsdisplay_console_device == NULL) { 1995 src->me_dispdv = NULL; 1996 return; 1997 } 1998 #if NWSMUX > 0 1999 if (wsmux_attach_sc((struct wsmux_softc *) 2000 wsdisplay_console_device->sc_input, src)) { 2001 src->me_dispdv = NULL; 2002 return; 2003 } 2004 #else 2005 wsdisplay_console_device->sc_input = src; 2006 #endif 2007 src->me_dispdv = &wsdisplay_console_device->sc_dv; 2008 } 2009 #endif /* NWSKBD > 0 */ 2010 2011 /* 2012 * Console interface. 2013 */ 2014 void 2015 wsdisplay_cnputc(dev_t dev, int i) 2016 { 2017 struct wsscreen_internal *dc; 2018 u_char c = i; 2019 2020 if (!wsdisplay_console_initted) 2021 return; 2022 2023 if ((wsdisplay_console_device != NULL) && 2024 (wsdisplay_console_device->sc_scr[0] != NULL) && 2025 (wsdisplay_console_device->sc_scr[0]->scr_flags & SCR_GRAPHICS)) 2026 return; 2027 2028 dc = &wsdisplay_console_conf; 2029 (*dc->wsemul->output)(dc->wsemulcookie, &c, 1, 1); 2030 } 2031 2032 static int 2033 wsdisplay_getc_dummy(dev_t dev) 2034 { 2035 /* panic? */ 2036 return (0); 2037 } 2038 2039 static void 2040 wsdisplay_pollc(dev_t dev, int on) 2041 { 2042 2043 wsdisplay_cons_pollmode = on; 2044 2045 /* notify to fb drivers */ 2046 if (wsdisplay_console_device != NULL && 2047 wsdisplay_console_device->sc_accessops->pollc != NULL) 2048 (*wsdisplay_console_device->sc_accessops->pollc) 2049 (wsdisplay_console_device->sc_accesscookie, on); 2050 2051 /* notify to kbd drivers */ 2052 if (wsdisplay_cons_kbd_pollc) 2053 (*wsdisplay_cons_kbd_pollc)(NODEV, on); 2054 } 2055 2056 void 2057 wsdisplay_set_cons_kbd(int (*get)(dev_t), void (*poll)(dev_t, int), 2058 void (*bell)(dev_t, u_int, u_int, u_int)) 2059 { 2060 wsdisplay_cons.cn_getc = get; 2061 wsdisplay_cons.cn_bell = bell; 2062 wsdisplay_cons_kbd_pollc = poll; 2063 } 2064 2065 void 2066 wsdisplay_unset_cons_kbd(void) 2067 { 2068 wsdisplay_cons.cn_getc = wsdisplay_getc_dummy; 2069 wsdisplay_cons.cn_bell = NULL; 2070 wsdisplay_cons_kbd_pollc = 0; 2071 } 2072 2073 static void 2074 wsdisplay_switchto(int no) 2075 { 2076 struct wsdisplay_softc *sc; 2077 struct wsscreen *scr; 2078 2079 if (wsdisplay_console_device != NULL) { 2080 sc = wsdisplay_console_device; 2081 if ((scr = sc->sc_scr[no]) == NULL) 2082 return; 2083 (*sc->sc_accessops->show_screen)(sc->sc_accesscookie, 2084 scr->scr_dconf->emulcookie, 2085 0, NULL, NULL); 2086 } 2087 } 2088 2089 /* 2090 * Switch the console display to it's first screen. 2091 */ 2092 void 2093 wsdisplay_switchtoconsole(void) 2094 { 2095 wsdisplay_switchto(0); 2096 } 2097 2098 /* 2099 * Switch the console at shutdown. 2100 */ 2101 static void 2102 wsdisplay_shutdownhook(void *arg) 2103 { 2104 2105 wsdisplay_switchtoconsole(); 2106 } 2107
Indexes created Thu Oct 16 14:10:15 GMT 2025