wsdisplay.c revision 1.108.14.2
1 /* $NetBSD: wsdisplay.c,v 1.108.14.2 2007/10/26 15:48:05 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 1.108.14.2 2007/10/26 15:48:05 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 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(device_t , struct cfdata *, void *); 163 static void wsdisplay_emul_attach(device_t, device_t, void *); 164 static int wsdisplay_noemul_match(device_t, struct cfdata *, void *); 165 static void wsdisplay_noemul_attach(device_t, device_t, void *); 166 static pnp_status_t wsdisplay_power(device_t, pnp_request_t, void *); 167 168 CFATTACH_DECL_NEW(wsdisplay_emul, sizeof (struct wsdisplay_softc), 169 wsdisplay_emul_match, wsdisplay_emul_attach, NULL, NULL); 170 171 CFATTACH_DECL_NEW(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 static int wsdisplay_switch1(device_t, int, int); 236 static void wsdisplay_switch1_cb(void *, int, int); 237 static int wsdisplay_switch2(device_t, int, int); 238 static void wsdisplay_switch2_cb(void *, int, int); 239 static int wsdisplay_switch3(device_t, int, int); 240 static void wsdisplay_switch3_cb(void *, int, int); 241 242 int wsdisplay_clearonclose; 243 244 struct wsscreen * 245 wsscreen_attach(struct wsdisplay_softc *sc, int console, const char *emul, 246 const struct wsscreen_descr *type, void *cookie, int ccol, 247 int crow, long defattr) 248 { 249 struct wsscreen_internal *dconf; 250 struct wsscreen *scr; 251 252 scr = malloc(sizeof(struct wsscreen), M_DEVBUF, M_WAITOK); 253 if (!scr) 254 return (NULL); 255 256 if (console) { 257 dconf = &wsdisplay_console_conf; 258 /* 259 * If there's an emulation, tell it about the callback argument. 260 * The other stuff is already there. 261 */ 262 if (dconf->wsemul != NULL) 263 (*dconf->wsemul->attach)(1, 0, 0, 0, 0, scr, 0); 264 } else { /* not console */ 265 dconf = malloc(sizeof(struct wsscreen_internal), 266 M_DEVBUF, M_NOWAIT); 267 dconf->emulops = type->textops; 268 dconf->emulcookie = cookie; 269 if (dconf->emulops) { 270 dconf->wsemul = wsemul_pick(emul); 271 if (dconf->wsemul == NULL) { 272 free(dconf, M_DEVBUF); 273 free(scr, M_DEVBUF); 274 return (NULL); 275 } 276 dconf->wsemulcookie = 277 (*dconf->wsemul->attach)(0, type, cookie, 278 ccol, crow, scr, defattr); 279 } else 280 dconf->wsemul = NULL; 281 dconf->scrdata = type; 282 } 283 284 scr->scr_dconf = dconf; 285 286 scr->scr_tty = ttymalloc(); 287 tty_attach(scr->scr_tty); 288 scr->scr_hold_screen = 0; 289 if (WSSCREEN_HAS_EMULATOR(scr)) 290 scr->scr_flags = 0; 291 else 292 scr->scr_flags = SCR_GRAPHICS; 293 294 scr->scr_syncops = 0; 295 scr->sc = sc; 296 #ifdef WSDISPLAY_COMPAT_RAWKBD 297 scr->scr_rawkbd = 0; 298 #endif 299 return (scr); 300 } 301 302 void 303 wsscreen_detach(struct wsscreen *scr) 304 { 305 u_int ccol, crow; /* XXX */ 306 307 if (WSSCREEN_HAS_TTY(scr)) { 308 tty_detach(scr->scr_tty); 309 ttyfree(scr->scr_tty); 310 } 311 if (WSSCREEN_HAS_EMULATOR(scr)) 312 (*scr->scr_dconf->wsemul->detach)(scr->scr_dconf->wsemulcookie, 313 &ccol, &crow); 314 free(scr->scr_dconf, M_DEVBUF); 315 free(scr, M_DEVBUF); 316 } 317 318 const struct wsscreen_descr * 319 wsdisplay_screentype_pick(const struct wsscreen_list *scrdata, const char *name) 320 { 321 int i; 322 const struct wsscreen_descr *scr; 323 324 KASSERT(scrdata->nscreens > 0); 325 326 if (name == NULL) 327 return (scrdata->screens[0]); 328 329 for (i = 0; i < scrdata->nscreens; i++) { 330 scr = scrdata->screens[i]; 331 if (!strcmp(name, scr->name)) 332 return (scr); 333 } 334 335 return (0); 336 } 337 338 /* 339 * print info about attached screen 340 */ 341 static void 342 wsdisplay_addscreen_print(struct wsdisplay_softc *sc, int idx, int count) 343 { 344 aprint_verbose_dev(sc->sc_dev, "screen %d", idx); 345 if (count > 1) 346 aprint_verbose("-%d", idx + (count-1)); 347 aprint_verbose(" added (%s", sc->sc_scr[idx]->scr_dconf->scrdata->name); 348 if (WSSCREEN_HAS_EMULATOR(sc->sc_scr[idx])) { 349 aprint_verbose(", %s emulation", 350 sc->sc_scr[idx]->scr_dconf->wsemul->name); 351 } 352 aprint_verbose(")\n"); 353 } 354 355 int 356 wsdisplay_addscreen(struct wsdisplay_softc *sc, int idx, 357 const char *screentype, const char *emul) 358 { 359 const struct wsscreen_descr *scrdesc; 360 int error; 361 void *cookie; 362 int ccol, crow; 363 long defattr; 364 struct wsscreen *scr; 365 int s; 366 367 if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN) 368 return (EINVAL); 369 if (sc->sc_scr[idx] != NULL) 370 return (EBUSY); 371 372 scrdesc = wsdisplay_screentype_pick(sc->sc_scrdata, screentype); 373 if (!scrdesc) 374 return (ENXIO); 375 error = (*sc->sc_accessops->alloc_screen)(sc->sc_accesscookie, 376 scrdesc, &cookie, &ccol, &crow, &defattr); 377 if (error) 378 return (error); 379 380 scr = wsscreen_attach(sc, 0, emul, scrdesc, 381 cookie, ccol, crow, defattr); 382 if (scr == NULL) { 383 (*sc->sc_accessops->free_screen)(sc->sc_accesscookie, 384 cookie); 385 return (ENXIO); 386 } 387 388 sc->sc_scr[idx] = scr; 389 390 /* if no screen has focus yet, activate the first we get */ 391 s = spltty(); 392 if (!sc->sc_focus) { 393 (*sc->sc_accessops->show_screen)(sc->sc_accesscookie, 394 scr->scr_dconf->emulcookie, 395 0, 0, 0); 396 sc->sc_focusidx = idx; 397 sc->sc_focus = scr; 398 } 399 splx(s); 400 return (0); 401 } 402 403 static void 404 wsdisplay_closescreen(struct wsdisplay_softc *sc, struct wsscreen *scr) 405 { 406 int maj, mn, idx; 407 408 /* hangup */ 409 if (WSSCREEN_HAS_TTY(scr)) { 410 struct tty *tp = scr->scr_tty; 411 (*tp->t_linesw->l_modem)(tp, 0); 412 } 413 414 /* locate the major number */ 415 maj = cdevsw_lookup_major(&wsdisplay_cdevsw); 416 /* locate the screen index */ 417 for (idx = 0; idx < WSDISPLAY_MAXSCREEN; idx++) 418 if (scr == sc->sc_scr[idx]) 419 break; 420 #ifdef DIAGNOSTIC 421 if (idx == WSDISPLAY_MAXSCREEN) 422 panic("wsdisplay_forceclose: bad screen"); 423 #endif 424 425 /* nuke the vnodes */ 426 mn = WSDISPLAYMINOR(device_unit(sc->sc_dev), idx); 427 vdevgone(maj, mn, mn, VCHR); 428 } 429 430 #ifdef WSDISPLAY_SCROLLSUPPORT 431 void 432 wsdisplay_scroll(void *arg, int op) 433 { 434 device_t dv = arg; 435 struct wsdisplay_softc *sc = device_private(dv); 436 struct wsscreen *scr; 437 int lines; 438 439 scr = sc->sc_focus; 440 441 if (!scr) 442 return; 443 444 if (op == WSDISPLAY_SCROLL_RESET) 445 lines = 0; 446 else { 447 lines = (op & WSDISPLAY_SCROLL_LOW) ? 448 sc->sc_scroll_values.slowlines : 449 sc->sc_scroll_values.fastlines; 450 if (op & WSDISPLAY_SCROLL_BACKWARD) 451 lines = -(lines); 452 } 453 454 if (sc->sc_accessops->scroll) { 455 (*sc->sc_accessops->scroll)(sc->sc_accesscookie, 456 sc->sc_focus->scr_dconf->emulcookie, lines); 457 } 458 } 459 #endif 460 461 int 462 wsdisplay_delscreen(struct wsdisplay_softc *sc, int idx, int flags) 463 { 464 struct wsscreen *scr; 465 int s; 466 void *cookie; 467 468 if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN) 469 return (EINVAL); 470 if ((scr = sc->sc_scr[idx]) == NULL) 471 return (ENXIO); 472 473 if (scr->scr_dconf == &wsdisplay_console_conf || 474 scr->scr_syncops || 475 ((scr->scr_flags & SCR_OPEN) && !(flags & WSDISPLAY_DELSCR_FORCE))) 476 return(EBUSY); 477 478 wsdisplay_closescreen(sc, scr); 479 480 /* 481 * delete pointers, so neither device entries 482 * nor keyboard input can reference it anymore 483 */ 484 s = spltty(); 485 if (sc->sc_focus == scr) { 486 sc->sc_focus = 0; 487 #ifdef WSDISPLAY_COMPAT_RAWKBD 488 wsdisplay_update_rawkbd(sc, 0); 489 #endif 490 } 491 sc->sc_scr[idx] = 0; 492 splx(s); 493 494 /* 495 * Wake up processes waiting for the screen to 496 * be activated. Sleepers must check whether 497 * the screen still exists. 498 */ 499 if (scr->scr_flags & SCR_WAITACTIVE) 500 wakeup(scr); 501 502 /* save a reference to the graphics screen */ 503 cookie = scr->scr_dconf->emulcookie; 504 505 wsscreen_detach(scr); 506 507 (*sc->sc_accessops->free_screen)(sc->sc_accesscookie, 508 cookie); 509 510 aprint_verbose_dev(sc->sc_dev, "screen %d deleted\n", idx); 511 return (0); 512 } 513 514 /* 515 * Autoconfiguration functions. 516 */ 517 int 518 wsdisplay_emul_match(device_t parent, struct cfdata *match, void *aux) 519 { 520 struct wsemuldisplaydev_attach_args *ap = aux; 521 522 if (match->wsemuldisplaydevcf_console != 523 WSEMULDISPLAYDEVCF_CONSOLE_UNK) { 524 /* 525 * If console-ness of device specified, either match 526 * exactly (at high priority), or fail. 527 */ 528 if (match->wsemuldisplaydevcf_console != 0 && 529 ap->console != 0) 530 return (10); 531 else 532 return (0); 533 } 534 535 /* If console-ness unspecified, it wins. */ 536 return (1); 537 } 538 539 void 540 wsdisplay_emul_attach(device_t parent, device_t self, void *aux) 541 { 542 struct wsdisplay_softc *sc = device_private(self); 543 struct wsemuldisplaydev_attach_args *ap = aux; 544 545 sc->sc_dev = self; 546 547 /* Don't allow more than one console to attach */ 548 if (wsdisplay_console_attached && ap->console) 549 ap->console = 0; 550 551 wsdisplay_common_attach(sc, ap->console, 552 device_cfdata(self)->wsemuldisplaydevcf_kbdmux, ap->scrdata, 553 ap->accessops, ap->accesscookie); 554 555 if (ap->console) { 556 int maj; 557 558 /* locate the major number */ 559 maj = cdevsw_lookup_major(&wsdisplay_cdevsw); 560 561 cn_tab->cn_dev = makedev(maj, WSDISPLAYMINOR(device_unit(self), 562 0)); 563 } 564 } 565 566 /* Print function (for parent devices). */ 567 int 568 wsemuldisplaydevprint(void *aux, const char *pnp) 569 { 570 #if 0 /* -Wunused */ 571 struct wsemuldisplaydev_attach_args *ap = aux; 572 #endif 573 574 if (pnp) 575 aprint_normal("wsdisplay at %s", pnp); 576 #if 0 /* don't bother; it's ugly */ 577 aprint_normal(" console %d", ap->console); 578 #endif 579 580 return (UNCONF); 581 } 582 583 int 584 wsdisplay_noemul_match(device_t parent, struct cfdata *match, void *aux) 585 { 586 #if 0 /* -Wunused */ 587 struct wsdisplaydev_attach_args *ap = aux; 588 #endif 589 590 /* Always match. */ 591 return (1); 592 } 593 594 void 595 wsdisplay_noemul_attach(device_t parent, device_t self, void *aux) 596 { 597 struct wsdisplay_softc *sc = device_private(self); 598 struct wsdisplaydev_attach_args *ap = aux; 599 600 sc->sc_dev = self; 601 602 wsdisplay_common_attach(sc, 0, 603 device_cfdata(self)->wsemuldisplaydevcf_kbdmux, NULL, 604 ap->accessops, ap->accesscookie); 605 } 606 607 static pnp_status_t 608 wsdisplay_power(device_t dv, pnp_request_t req, void *opaque) 609 { 610 struct wsdisplay_softc *sc = device_private(dv); 611 pnp_capabilities_t *pcaps; 612 pnp_state_t *pstate; 613 614 switch (req) { 615 case PNP_REQUEST_GET_CAPABILITIES: 616 pcaps = opaque; 617 pcaps->state = PNP_STATE_D0 | PNP_STATE_D3; 618 break; 619 case PNP_REQUEST_GET_STATE: 620 pstate = opaque; 621 *pstate = PNP_STATE_D0; /* XXX */ 622 break; 623 case PNP_REQUEST_SET_STATE: 624 pstate = opaque; 625 switch (*pstate) { 626 case PNP_STATE_D0: 627 wsdisplay_switchto(sc->sc_pmstate.screen); 628 break; 629 case PNP_STATE_D3: 630 if (sc->sc_focus != NULL) 631 sc->sc_pmstate.screen = sc->sc_focusidx; 632 else 633 sc->sc_pmstate.screen = 0; 634 wsdisplay_switchto(0); 635 break; 636 default: 637 return PNP_STATUS_UNSUPPORTED; 638 } 639 break; 640 default: 641 return PNP_STATUS_UNSUPPORTED; 642 } 643 644 return PNP_STATUS_SUCCESS; 645 } 646 647 /* Print function (for parent devices). */ 648 int 649 wsdisplaydevprint(void *aux, const char *pnp) 650 { 651 #if 0 /* -Wunused */ 652 struct wsdisplaydev_attach_args *ap = aux; 653 #endif 654 655 if (pnp) 656 aprint_normal("wsdisplay at %s", pnp); 657 658 return (UNCONF); 659 } 660 661 static void 662 wsdisplay_common_attach(struct wsdisplay_softc *sc, int console, int kbdmux, 663 const struct wsscreen_list *scrdata, 664 const struct wsdisplay_accessops *accessops, 665 void *accesscookie) 666 { 667 static int hookset; 668 int i, start=0; 669 #if NWSKBD > 0 670 struct wsevsrc *kme; 671 #if NWSMUX > 0 672 struct wsmux_softc *mux; 673 674 if (kbdmux >= 0) 675 mux = wsmux_getmux(kbdmux); 676 else 677 mux = wsmux_create("dmux", device_unit(sc->sc_dev)); 678 /* XXX panic()ing isn't nice, but attach cannot fail */ 679 if (mux == NULL) 680 panic("wsdisplay_common_attach: no memory"); 681 sc->sc_input = &mux->sc_base; 682 mux->sc_base.me_dispdv = sc->sc_dev; 683 aprint_normal(" kbdmux %d", kbdmux); 684 #else 685 if (kbdmux >= 0) 686 aprint_normal(" (kbdmux ignored)"); 687 #endif 688 #endif 689 690 sc->sc_isconsole = console; 691 692 if (console) { 693 KASSERT(wsdisplay_console_initted); 694 KASSERT(wsdisplay_console_device == NULL); 695 696 sc->sc_scr[0] = wsscreen_attach(sc, 1, 0, 0, 0, 0, 0, 0); 697 wsdisplay_console_device = sc; 698 699 aprint_normal(": console (%s, %s emulation)", 700 wsdisplay_console_conf.scrdata->name, 701 wsdisplay_console_conf.wsemul->name); 702 703 #if NWSKBD > 0 704 kme = wskbd_set_console_display(sc->sc_dev, sc->sc_input); 705 if (kme != NULL) 706 aprint_normal(", using %s", kme->me_dv.dv_xname); 707 #if NWSMUX == 0 708 sc->sc_input = kme; 709 #endif 710 #endif 711 712 sc->sc_focusidx = 0; 713 sc->sc_focus = sc->sc_scr[0]; 714 start = 1; 715 716 wsdisplay_console_attached = 1; 717 } 718 aprint_normal("\n"); 719 720 #if NWSKBD > 0 && NWSMUX > 0 721 wsmux_set_display(mux, sc->sc_dev); 722 #endif 723 724 sc->sc_accessops = accessops; 725 sc->sc_accesscookie = accesscookie; 726 sc->sc_scrdata = scrdata; 727 728 #ifdef WSDISPLAY_SCROLLSUPPORT 729 sc->sc_scroll_values = wsdisplay_default_scroll_values; 730 #endif 731 732 /* 733 * Set up a number of virtual screens if wanted. The 734 * WSDISPLAYIO_ADDSCREEN ioctl is more flexible, so this code 735 * is for special cases like installation kernels. 736 */ 737 for (i = start; i < wsdisplay_defaultscreens; i++) { 738 if (wsdisplay_addscreen(sc, i, 0, 0)) 739 break; 740 } 741 742 if (i > start) 743 wsdisplay_addscreen_print(sc, start, i-start); 744 745 if (pnp_register(sc->sc_dev, wsdisplay_power) != PNP_STATUS_SUCCESS) 746 aprint_error_dev(sc->sc_dev, "couldn't establish power handler\n"); 747 748 if (hookset == 0) 749 shutdownhook_establish(wsdisplay_shutdownhook, NULL); 750 hookset = 1; 751 } 752 753 void 754 wsdisplay_cnattach(const struct wsscreen_descr *type, void *cookie, 755 int ccol, int crow, long defattr) 756 { 757 const struct wsemul_ops *wsemul; 758 759 KASSERT(wsdisplay_console_initted < 2); 760 KASSERT(type->nrows > 0); 761 KASSERT(type->ncols > 0); 762 KASSERT(crow < type->nrows); 763 KASSERT(ccol < type->ncols); 764 765 wsdisplay_console_conf.emulops = type->textops; 766 wsdisplay_console_conf.emulcookie = cookie; 767 wsdisplay_console_conf.scrdata = type; 768 769 wsemul = wsemul_pick(0); /* default */ 770 wsdisplay_console_conf.wsemul = wsemul; 771 wsdisplay_console_conf.wsemulcookie = (*wsemul->cnattach)(type, cookie, 772 ccol, crow, 773 defattr); 774 775 cn_tab = &wsdisplay_cons; 776 wsdisplay_console_initted = 2; 777 } 778 779 void 780 wsdisplay_preattach(const struct wsscreen_descr *type, void *cookie, 781 int ccol, int crow, long defattr) 782 { 783 const struct wsemul_ops *wsemul; 784 785 KASSERT(!wsdisplay_console_initted); 786 KASSERT(type->nrows > 0); 787 KASSERT(type->ncols > 0); 788 KASSERT(crow < type->nrows); 789 KASSERT(ccol < type->ncols); 790 791 wsdisplay_console_conf.emulops = type->textops; 792 wsdisplay_console_conf.emulcookie = cookie; 793 wsdisplay_console_conf.scrdata = type; 794 795 wsemul = wsemul_pick(0); /* default */ 796 wsdisplay_console_conf.wsemul = wsemul; 797 wsdisplay_console_conf.wsemulcookie = (*wsemul->cnattach)(type, cookie, 798 ccol, crow, 799 defattr); 800 801 cn_tab = &wsdisplay_cons; 802 wsdisplay_console_initted = 1; 803 } 804 805 /* 806 * Tty and cdevsw functions. 807 */ 808 int 809 wsdisplayopen(dev_t dev, int flag, int mode, struct lwp *l) 810 { 811 device_t dv; 812 struct wsdisplay_softc *sc; 813 struct tty *tp; 814 int newopen, error; 815 struct wsscreen *scr; 816 817 dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 818 if (dv == NULL) /* make sure it was attached */ 819 return (ENXIO); 820 821 sc = device_private(dv); 822 823 if (ISWSDISPLAYSTAT(dev)) { 824 wsevent_init(&sc->evar, l->l_proc); 825 return (0); 826 } 827 828 if (ISWSDISPLAYCTL(dev)) 829 return (0); 830 831 if (WSDISPLAYSCREEN(dev) >= WSDISPLAY_MAXSCREEN) 832 return (ENXIO); 833 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 834 return (ENXIO); 835 836 if (WSSCREEN_HAS_TTY(scr)) { 837 tp = scr->scr_tty; 838 tp->t_oproc = wsdisplaystart; 839 tp->t_param = wsdisplayparam; 840 tp->t_dev = dev; 841 newopen = (tp->t_state & TS_ISOPEN) == 0; 842 843 if (kauth_authorize_device_tty(l->l_cred, 844 KAUTH_DEVICE_TTY_OPEN, tp)) 845 return (EBUSY); 846 847 if (newopen) { 848 ttychars(tp); 849 tp->t_iflag = TTYDEF_IFLAG; 850 tp->t_oflag = TTYDEF_OFLAG; 851 tp->t_cflag = TTYDEF_CFLAG; 852 tp->t_lflag = TTYDEF_LFLAG; 853 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 854 wsdisplayparam(tp, &tp->t_termios); 855 ttsetwater(tp); 856 } 857 tp->t_state |= TS_CARR_ON; 858 859 error = ((*tp->t_linesw->l_open)(dev, tp)); 860 if (error) 861 return (error); 862 863 if (newopen && WSSCREEN_HAS_EMULATOR(scr)) { 864 /* set window sizes as appropriate, and reset 865 the emulation */ 866 tp->t_winsize.ws_row = scr->scr_dconf->scrdata->nrows; 867 tp->t_winsize.ws_col = scr->scr_dconf->scrdata->ncols; 868 869 /* wsdisplay_set_emulation() */ 870 } 871 } 872 873 scr->scr_flags |= SCR_OPEN; 874 return (0); 875 } 876 877 int 878 wsdisplayclose(dev_t dev, int flag, int mode, struct lwp *l) 879 { 880 device_t dv; 881 struct wsdisplay_softc *sc; 882 struct tty *tp; 883 struct wsscreen *scr; 884 885 dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 886 sc = device_private(dv); 887 888 if (ISWSDISPLAYSTAT(dev)) { 889 wsevent_fini(&sc->evar); 890 return (0); 891 } 892 893 if (ISWSDISPLAYCTL(dev)) 894 return (0); 895 896 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 897 return (0); 898 899 if (WSSCREEN_HAS_TTY(scr)) { 900 if (scr->scr_hold_screen) { 901 int s; 902 903 /* XXX RESET KEYBOARD LEDS, etc. */ 904 s = spltty(); /* avoid conflict with keyboard */ 905 wsdisplay_kbdholdscreen(dv, 0); 906 splx(s); 907 } 908 tp = scr->scr_tty; 909 (*tp->t_linesw->l_close)(tp, flag); 910 ttyclose(tp); 911 } 912 913 if (scr->scr_syncops) 914 (*scr->scr_syncops->destroy)(scr->scr_synccookie); 915 916 if (WSSCREEN_HAS_EMULATOR(scr)) { 917 scr->scr_flags &= ~SCR_GRAPHICS; 918 (*scr->scr_dconf->wsemul->reset)(scr->scr_dconf->wsemulcookie, 919 WSEMUL_RESET); 920 if (wsdisplay_clearonclose) 921 (*scr->scr_dconf->wsemul->reset) 922 (scr->scr_dconf->wsemulcookie, 923 WSEMUL_CLEARSCREEN); 924 } 925 926 #ifdef WSDISPLAY_COMPAT_RAWKBD 927 if (scr->scr_rawkbd) { 928 int kbmode = WSKBD_TRANSLATED; 929 (void)wsdisplay_internal_ioctl(sc, scr, WSKBDIO_SETMODE, 930 (void *)&kbmode, 0, l); 931 } 932 #endif 933 934 scr->scr_flags &= ~SCR_OPEN; 935 936 return (0); 937 } 938 939 int 940 wsdisplayread(dev_t dev, struct uio *uio, int flag) 941 { 942 device_t dv; 943 struct wsdisplay_softc *sc; 944 struct tty *tp; 945 struct wsscreen *scr; 946 int error; 947 948 dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 949 sc = device_private(dv); 950 951 if (ISWSDISPLAYSTAT(dev)) { 952 error = wsevent_read(&sc->evar, uio, flag); 953 return (error); 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_read)(tp, uio, flag)); 967 } 968 969 int 970 wsdisplaywrite(dev_t dev, struct uio *uio, int flag) 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 (0); 982 } 983 984 if (ISWSDISPLAYCTL(dev)) 985 return (0); 986 987 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 988 return (ENXIO); 989 990 if (!WSSCREEN_HAS_TTY(scr)) 991 return (ENODEV); 992 993 tp = scr->scr_tty; 994 return ((*tp->t_linesw->l_write)(tp, uio, flag)); 995 } 996 997 int 998 wsdisplaypoll(dev_t dev, int events, struct lwp *l) 999 { 1000 device_t dv; 1001 struct wsdisplay_softc *sc; 1002 struct tty *tp; 1003 struct wsscreen *scr; 1004 1005 dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 1006 sc = device_private(dv); 1007 1008 if (ISWSDISPLAYSTAT(dev)) 1009 return (wsevent_poll(&sc->evar, events, l)); 1010 1011 if (ISWSDISPLAYCTL(dev)) 1012 return (0); 1013 1014 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 1015 return (POLLHUP); 1016 1017 if (!WSSCREEN_HAS_TTY(scr)) 1018 return (POLLERR); 1019 1020 tp = scr->scr_tty; 1021 return ((*tp->t_linesw->l_poll)(tp, events, l)); 1022 } 1023 1024 int 1025 wsdisplaykqfilter(dev_t dev, struct knote *kn) 1026 { 1027 device_t dv; 1028 struct wsdisplay_softc *sc; 1029 struct wsscreen *scr; 1030 1031 dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 1032 sc = device_private(dv); 1033 1034 if (ISWSDISPLAYCTL(dev)) 1035 return (1); 1036 1037 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 1038 return (1); 1039 1040 1041 if (WSSCREEN_HAS_TTY(scr)) 1042 return (ttykqfilter(dev, kn)); 1043 else 1044 return (1); 1045 } 1046 1047 struct tty * 1048 wsdisplaytty(dev_t dev) 1049 { 1050 device_t dv; 1051 struct wsdisplay_softc *sc; 1052 struct wsscreen *scr; 1053 1054 dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 1055 sc = device_private(dv); 1056 1057 if (ISWSDISPLAYSTAT(dev)) 1058 panic("wsdisplaytty() on status device"); 1059 1060 if (ISWSDISPLAYCTL(dev)) 1061 panic("wsdisplaytty() on ctl device"); 1062 1063 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 1064 return NULL; 1065 1066 return (scr->scr_tty); 1067 } 1068 1069 int 1070 wsdisplayioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l) 1071 { 1072 device_t dv; 1073 struct wsdisplay_softc *sc; 1074 struct tty *tp; 1075 int error; 1076 struct wsscreen *scr; 1077 1078 dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 1079 sc = device_private(dv); 1080 1081 #ifdef WSDISPLAY_COMPAT_USL 1082 error = wsdisplay_usl_ioctl1(dv, cmd, data, flag, l); 1083 if (error != EPASSTHROUGH) 1084 return (error); 1085 #endif 1086 1087 if (ISWSDISPLAYSTAT(dev)) 1088 return (wsdisplay_stat_ioctl(sc, cmd, data, flag, l)); 1089 1090 if (ISWSDISPLAYCTL(dev)) 1091 return (wsdisplay_cfg_ioctl(sc, cmd, data, flag, l)); 1092 1093 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 1094 return (ENXIO); 1095 1096 if (WSSCREEN_HAS_TTY(scr)) { 1097 tp = scr->scr_tty; 1098 1099 /* printf("disc\n"); */ 1100 /* do the line discipline ioctls first */ 1101 error = (*tp->t_linesw->l_ioctl)(tp, cmd, data, flag, l); 1102 if (error != EPASSTHROUGH) 1103 return (error); 1104 1105 /* printf("tty\n"); */ 1106 /* then the tty ioctls */ 1107 error = ttioctl(tp, cmd, data, flag, l); 1108 if (error != EPASSTHROUGH) 1109 return (error); 1110 } 1111 1112 #ifdef WSDISPLAY_COMPAT_USL 1113 error = wsdisplay_usl_ioctl2(sc, scr, cmd, data, flag, l); 1114 if (error != EPASSTHROUGH) 1115 return (error); 1116 #endif 1117 1118 return (wsdisplay_internal_ioctl(sc, scr, cmd, data, flag, l)); 1119 } 1120 1121 int 1122 wsdisplay_param(device_t dv, u_long cmd, struct wsdisplay_param *dp) 1123 { 1124 struct wsdisplay_softc *sc = device_private(dv); 1125 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie, 1126 sc->sc_focus->scr_dconf->emulcookie, 1127 cmd, (void *)dp, 0, NULL)); 1128 } 1129 1130 int 1131 wsdisplay_internal_ioctl(struct wsdisplay_softc *sc, struct wsscreen *scr, 1132 u_long cmd, void *data, int flag, struct lwp *l) 1133 { 1134 int error; 1135 char namebuf[16]; 1136 struct wsdisplay_font fd; 1137 #ifdef WSDISPLAY_SCROLLSUPPORT 1138 struct wsdisplay_scroll_data *ksdp, *usdp; 1139 #endif 1140 1141 #if NWSKBD > 0 1142 struct wsevsrc *inp; 1143 1144 #ifdef WSDISPLAY_COMPAT_RAWKBD 1145 switch (cmd) { 1146 case WSKBDIO_SETMODE: 1147 scr->scr_rawkbd = (*(int *)data == WSKBD_RAW); 1148 return (wsdisplay_update_rawkbd(sc, scr)); 1149 case WSKBDIO_GETMODE: 1150 *(int *)data = (scr->scr_rawkbd ? 1151 WSKBD_RAW : WSKBD_TRANSLATED); 1152 return (0); 1153 } 1154 #endif 1155 inp = sc->sc_input; 1156 if (inp == NULL) 1157 return (ENXIO); 1158 error = wsevsrc_display_ioctl(inp, cmd, data, flag, l); 1159 if (error != EPASSTHROUGH) 1160 return (error); 1161 #endif /* NWSKBD > 0 */ 1162 1163 switch (cmd) { 1164 case WSDISPLAYIO_GMODE: 1165 if (scr->scr_flags & SCR_GRAPHICS) { 1166 if (scr->scr_flags & SCR_DUMBFB) 1167 *(u_int *)data = WSDISPLAYIO_MODE_DUMBFB; 1168 else 1169 *(u_int *)data = WSDISPLAYIO_MODE_MAPPED; 1170 } else 1171 *(u_int *)data = WSDISPLAYIO_MODE_EMUL; 1172 return (0); 1173 1174 case WSDISPLAYIO_SMODE: 1175 #define d (*(int *)data) 1176 if (d != WSDISPLAYIO_MODE_EMUL && 1177 d != WSDISPLAYIO_MODE_MAPPED && 1178 d != WSDISPLAYIO_MODE_DUMBFB) 1179 return (EINVAL); 1180 1181 if (WSSCREEN_HAS_EMULATOR(scr)) { 1182 scr->scr_flags &= ~SCR_GRAPHICS; 1183 if (d == WSDISPLAYIO_MODE_MAPPED || 1184 d == WSDISPLAYIO_MODE_DUMBFB) 1185 scr->scr_flags |= SCR_GRAPHICS | 1186 ((d == WSDISPLAYIO_MODE_DUMBFB) ? SCR_DUMBFB : 0); 1187 } else if (d == WSDISPLAYIO_MODE_EMUL) 1188 return (EINVAL); 1189 1190 (void)(*sc->sc_accessops->ioctl)(sc->sc_accesscookie, 1191 scr->scr_dconf->emulcookie, cmd, data, flag, l); 1192 1193 return (0); 1194 #undef d 1195 1196 #ifdef WSDISPLAY_SCROLLSUPPORT 1197 #define SETSCROLLLINES(dstp, srcp, dfltp) \ 1198 do { \ 1199 (dstp)->fastlines = ((srcp)->which & \ 1200 WSDISPLAY_SCROLL_DOFASTLINES) ? \ 1201 (srcp)->fastlines : (dfltp)->fastlines; \ 1202 (dstp)->slowlines = ((srcp)->which & \ 1203 WSDISPLAY_SCROLL_DOSLOWLINES) ? \ 1204 (srcp)->slowlines : (dfltp)->slowlines; \ 1205 (dstp)->which = WSDISPLAY_SCROLL_DOALL; \ 1206 } while (0) 1207 1208 1209 case WSDISPLAYIO_DSSCROLL: 1210 usdp = (struct wsdisplay_scroll_data *)data; 1211 ksdp = &sc->sc_scroll_values; 1212 SETSCROLLLINES(ksdp, usdp, ksdp); 1213 return (0); 1214 1215 case WSDISPLAYIO_DGSCROLL: 1216 usdp = (struct wsdisplay_scroll_data *)data; 1217 ksdp = &sc->sc_scroll_values; 1218 SETSCROLLLINES(usdp, ksdp, ksdp); 1219 return (0); 1220 #else 1221 case WSDISPLAYIO_DSSCROLL: 1222 case WSDISPLAYIO_DGSCROLL: 1223 return ENODEV; 1224 #endif 1225 1226 case WSDISPLAYIO_SFONT: 1227 #define d ((struct wsdisplay_usefontdata *)data) 1228 if (!sc->sc_accessops->load_font) 1229 return (EINVAL); 1230 if (d->name) { 1231 error = copyinstr(d->name, namebuf, sizeof(namebuf), 0); 1232 if (error) 1233 return (error); 1234 fd.name = namebuf; 1235 } else 1236 fd.name = 0; 1237 fd.data = 0; 1238 error = (*sc->sc_accessops->load_font)(sc->sc_accesscookie, 1239 scr->scr_dconf->emulcookie, &fd); 1240 if (!error && WSSCREEN_HAS_EMULATOR(scr)) 1241 (*scr->scr_dconf->wsemul->reset) 1242 (scr->scr_dconf->wsemulcookie, WSEMUL_SYNCFONT); 1243 return (error); 1244 #undef d 1245 1246 #ifdef WSDISPLAY_CUSTOM_OUTPUT 1247 case WSDISPLAYIO_GMSGATTRS: 1248 #define d ((struct wsdisplay_msgattrs *)data) 1249 (*scr->scr_dconf->wsemul->getmsgattrs) 1250 (scr->scr_dconf->wsemulcookie, d); 1251 return (0); 1252 #undef d 1253 1254 case WSDISPLAYIO_SMSGATTRS: { 1255 #define d ((struct wsdisplay_msgattrs *)data) 1256 int i; 1257 for (i = 0; i < WSDISPLAY_MAXSCREEN; i++) 1258 if (sc->sc_scr[i] != NULL) 1259 (*sc->sc_scr[i]->scr_dconf->wsemul->setmsgattrs) 1260 (sc->sc_scr[i]->scr_dconf->wsemulcookie, 1261 sc->sc_scr[i]->scr_dconf->scrdata, 1262 d); 1263 } 1264 return (0); 1265 #undef d 1266 #else 1267 case WSDISPLAYIO_GMSGATTRS: 1268 case WSDISPLAYIO_SMSGATTRS: 1269 return (ENODEV); 1270 #endif 1271 } 1272 1273 /* check ioctls for display */ 1274 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie, 1275 scr->scr_dconf->emulcookie, cmd, data, flag, l)); 1276 } 1277 1278 int 1279 wsdisplay_stat_ioctl(struct wsdisplay_softc *sc, u_long cmd, void *data, 1280 int flag, struct lwp *l) 1281 { 1282 switch (cmd) { 1283 case WSDISPLAYIO_GETACTIVESCREEN: 1284 *(int*)data = wsdisplay_getactivescreen(sc); 1285 return (0); 1286 } 1287 1288 return (EPASSTHROUGH); 1289 } 1290 1291 int 1292 wsdisplay_cfg_ioctl(struct wsdisplay_softc *sc, u_long cmd, void *data, 1293 int flag, struct lwp *l) 1294 { 1295 int error; 1296 char *type, typebuf[16], *emul, emulbuf[16]; 1297 void *tbuf; 1298 u_int fontsz; 1299 #if defined(COMPAT_14) && NWSKBD > 0 1300 struct wsmux_device wsmuxdata; 1301 #endif 1302 #if NWSKBD > 0 1303 struct wsevsrc *inp; 1304 #endif 1305 1306 switch (cmd) { 1307 case WSDISPLAYIO_ADDSCREEN: 1308 #define d ((struct wsdisplay_addscreendata *)data) 1309 if (d->screentype) { 1310 error = copyinstr(d->screentype, typebuf, 1311 sizeof(typebuf), 0); 1312 if (error) 1313 return (error); 1314 type = typebuf; 1315 } else 1316 type = 0; 1317 if (d->emul) { 1318 error = copyinstr(d->emul, emulbuf, sizeof(emulbuf),0); 1319 if (error) 1320 return (error); 1321 emul = emulbuf; 1322 } else 1323 emul = 0; 1324 1325 if ((error = wsdisplay_addscreen(sc, d->idx, type, emul)) == 0) 1326 wsdisplay_addscreen_print(sc, d->idx, 0); 1327 return (error); 1328 #undef d 1329 case WSDISPLAYIO_DELSCREEN: 1330 #define d ((struct wsdisplay_delscreendata *)data) 1331 return (wsdisplay_delscreen(sc, d->idx, d->flags)); 1332 #undef d 1333 case WSDISPLAYIO_LDFONT: 1334 #define d ((struct wsdisplay_font *)data) 1335 if (!sc->sc_accessops->load_font) 1336 return (EINVAL); 1337 if (d->name) { 1338 error = copyinstr(d->name, typebuf, sizeof(typebuf), 0); 1339 if (error) 1340 return (error); 1341 d->name = typebuf; 1342 } else 1343 d->name = "loaded"; /* ??? */ 1344 fontsz = d->fontheight * d->stride * d->numchars; 1345 if (fontsz > WSDISPLAY_MAXFONTSZ) 1346 return (EINVAL); 1347 1348 tbuf = malloc(fontsz, M_DEVBUF, M_WAITOK); 1349 error = copyin(d->data, tbuf, fontsz); 1350 if (error) { 1351 free(tbuf, M_DEVBUF); 1352 return (error); 1353 } 1354 d->data = tbuf; 1355 error = 1356 (*sc->sc_accessops->load_font)(sc->sc_accesscookie, 0, d); 1357 free(tbuf, M_DEVBUF); 1358 #undef d 1359 return (error); 1360 1361 #if NWSKBD > 0 1362 #ifdef COMPAT_14 1363 case _O_WSDISPLAYIO_SETKEYBOARD: 1364 #define d ((struct wsdisplay_kbddata *)data) 1365 inp = sc->sc_input; 1366 if (inp == NULL) 1367 return (ENXIO); 1368 switch (d->op) { 1369 case _O_WSDISPLAY_KBD_ADD: 1370 if (d->idx == -1) { 1371 d->idx = wskbd_pickfree(); 1372 if (d->idx == -1) 1373 return (ENXIO); 1374 } 1375 wsmuxdata.type = WSMUX_KBD; 1376 wsmuxdata.idx = d->idx; 1377 return (wsevsrc_ioctl(inp, WSMUX_ADD_DEVICE, 1378 &wsmuxdata, flag, l)); 1379 case _O_WSDISPLAY_KBD_DEL: 1380 wsmuxdata.type = WSMUX_KBD; 1381 wsmuxdata.idx = d->idx; 1382 return (wsevsrc_ioctl(inp, WSMUX_REMOVE_DEVICE, 1383 &wsmuxdata, flag, l)); 1384 default: 1385 return (EINVAL); 1386 } 1387 #undef d 1388 #endif 1389 1390 case WSMUXIO_ADD_DEVICE: 1391 #define d ((struct wsmux_device *)data) 1392 if (d->idx == -1 && d->type == WSMUX_KBD) 1393 d->idx = wskbd_pickfree(); 1394 #undef d 1395 /* fall into */ 1396 case WSMUXIO_INJECTEVENT: 1397 case WSMUXIO_REMOVE_DEVICE: 1398 case WSMUXIO_LIST_DEVICES: 1399 inp = sc->sc_input; 1400 if (inp == NULL) 1401 return (ENXIO); 1402 return (wsevsrc_ioctl(inp, cmd, data, flag, l)); 1403 #endif /* NWSKBD > 0 */ 1404 1405 } 1406 return (EPASSTHROUGH); 1407 } 1408 1409 int 1410 wsdisplay_stat_inject(device_t dv, u_int type, int value) 1411 { 1412 struct wsdisplay_softc *sc = device_private(dv); 1413 struct wseventvar *evar; 1414 struct wscons_event event; 1415 1416 evar = &sc->evar; 1417 1418 if (evar == NULL) 1419 return (0); 1420 1421 if (evar->q == NULL) 1422 return (1); 1423 1424 event.type = type; 1425 event.value = value; 1426 if (wsevent_inject(evar, &event, 1) != 0) { 1427 log(LOG_WARNING, "wsdisplay: event queue overflow\n"); 1428 return (1); 1429 } 1430 1431 return (0); 1432 } 1433 1434 paddr_t 1435 wsdisplaymmap(dev_t dev, off_t offset, int prot) 1436 { 1437 device_t dv; 1438 struct wsdisplay_softc *sc; 1439 struct wsscreen *scr; 1440 1441 dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); 1442 sc = device_private(dv); 1443 1444 if (ISWSDISPLAYSTAT(dev)) 1445 return (-1); 1446 1447 if (ISWSDISPLAYCTL(dev)) 1448 return (-1); 1449 1450 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 1451 return (-1); 1452 1453 if (!(scr->scr_flags & SCR_GRAPHICS)) 1454 return (-1); 1455 1456 /* pass mmap to display */ 1457 return ((*sc->sc_accessops->mmap)(sc->sc_accesscookie, 1458 scr->scr_dconf->emulcookie, offset, prot)); 1459 } 1460 1461 void 1462 wsdisplaystart(struct tty *tp) 1463 { 1464 device_t dv; 1465 struct wsdisplay_softc *sc; 1466 struct wsscreen *scr; 1467 int s, n; 1468 u_char *tbuf; 1469 1470 s = spltty(); 1471 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) { 1472 splx(s); 1473 return; 1474 } 1475 dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(tp->t_dev)); 1476 sc = device_private(dv); 1477 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(tp->t_dev)]) == NULL) { 1478 splx(s); 1479 return; 1480 } 1481 1482 if (scr->scr_hold_screen) { 1483 tp->t_state |= TS_TIMEOUT; 1484 splx(s); 1485 return; 1486 } 1487 tp->t_state |= TS_BUSY; 1488 splx(s); 1489 1490 /* 1491 * Drain output from ring buffer. 1492 * The output will normally be in one contiguous chunk, but when the 1493 * ring wraps, it will be in two pieces.. one at the end of the ring, 1494 * the other at the start. For performance, rather than loop here, 1495 * we output one chunk, see if there's another one, and if so, output 1496 * it too. 1497 */ 1498 1499 n = ndqb(&tp->t_outq, 0); 1500 tbuf = tp->t_outq.c_cf; 1501 1502 if (!(scr->scr_flags & SCR_GRAPHICS)) { 1503 KASSERT(WSSCREEN_HAS_EMULATOR(scr)); 1504 (*scr->scr_dconf->wsemul->output)(scr->scr_dconf->wsemulcookie, 1505 tbuf, n, 0); 1506 } 1507 ndflush(&tp->t_outq, n); 1508 1509 if ((n = ndqb(&tp->t_outq, 0)) > 0) { 1510 tbuf = tp->t_outq.c_cf; 1511 1512 if (!(scr->scr_flags & SCR_GRAPHICS)) { 1513 KASSERT(WSSCREEN_HAS_EMULATOR(scr)); 1514 (*scr->scr_dconf->wsemul->output) 1515 (scr->scr_dconf->wsemulcookie, tbuf, n, 0); 1516 } 1517 ndflush(&tp->t_outq, n); 1518 } 1519 1520 s = spltty(); 1521 tp->t_state &= ~TS_BUSY; 1522 /* Come back if there's more to do */ 1523 if (tp->t_outq.c_cc) { 1524 tp->t_state |= TS_TIMEOUT; 1525 callout_schedule(&tp->t_rstrt_ch, (hz > 128) ? (hz / 128) : 1); 1526 } 1527 if (tp->t_outq.c_cc <= tp->t_lowat) { 1528 if (tp->t_state&TS_ASLEEP) { 1529 tp->t_state &= ~TS_ASLEEP; 1530 wakeup(&tp->t_outq); 1531 } 1532 selwakeup(&tp->t_wsel); 1533 } 1534 splx(s); 1535 } 1536 1537 void 1538 wsdisplaystop(struct tty *tp, int flag) 1539 { 1540 int s; 1541 1542 s = spltty(); 1543 if (ISSET(tp->t_state, TS_BUSY)) 1544 if (!ISSET(tp->t_state, TS_TTSTOP)) 1545 SET(tp->t_state, TS_FLUSH); 1546 splx(s); 1547 } 1548 1549 /* Set line parameters. */ 1550 int 1551 wsdisplayparam(struct tty *tp, struct termios *t) 1552 { 1553 1554 tp->t_ispeed = t->c_ispeed; 1555 tp->t_ospeed = t->c_ospeed; 1556 tp->t_cflag = t->c_cflag; 1557 return 0; 1558 } 1559 1560 /* 1561 * Callbacks for the emulation code. 1562 */ 1563 void 1564 wsdisplay_emulbell(void *v) 1565 { 1566 struct wsscreen *scr = v; 1567 1568 if (scr == NULL) /* console, before real attach */ 1569 return; 1570 1571 if (scr->scr_flags & SCR_GRAPHICS) /* can this happen? */ 1572 return; 1573 1574 (void) wsdisplay_internal_ioctl(scr->sc, scr, WSKBDIO_BELL, NULL, 1575 FWRITE, NULL); 1576 } 1577 1578 void 1579 wsdisplay_emulinput(void *v, const u_char *data, u_int count) 1580 { 1581 struct wsscreen *scr = v; 1582 struct tty *tp; 1583 1584 if (v == NULL) /* console, before real attach */ 1585 return; 1586 1587 if (scr->scr_flags & SCR_GRAPHICS) /* XXX can't happen */ 1588 return; 1589 if (!WSSCREEN_HAS_TTY(scr)) 1590 return; 1591 1592 tp = scr->scr_tty; 1593 while (count-- > 0) 1594 (*tp->t_linesw->l_rint)(*data++, tp); 1595 } 1596 1597 /* 1598 * Calls from the keyboard interface. 1599 */ 1600 void 1601 wsdisplay_kbdinput(device_t dv, keysym_t ks) 1602 { 1603 struct wsdisplay_softc *sc = device_private(dv); 1604 struct wsscreen *scr; 1605 const char *dp; 1606 int count; 1607 struct tty *tp; 1608 1609 KASSERT(sc != NULL); 1610 1611 scr = sc->sc_focus; 1612 1613 if (!scr || !WSSCREEN_HAS_TTY(scr)) 1614 return; 1615 1616 tp = scr->scr_tty; 1617 1618 if (KS_GROUP(ks) == KS_GROUP_Ascii) 1619 (*tp->t_linesw->l_rint)(KS_VALUE(ks), tp); 1620 else if (WSSCREEN_HAS_EMULATOR(scr)) { 1621 count = (*scr->scr_dconf->wsemul->translate) 1622 (scr->scr_dconf->wsemulcookie, ks, &dp); 1623 while (count-- > 0) 1624 (*tp->t_linesw->l_rint)(*dp++, tp); 1625 } 1626 } 1627 1628 #if defined(WSDISPLAY_COMPAT_RAWKBD) 1629 int 1630 wsdisplay_update_rawkbd(struct wsdisplay_softc *sc, struct wsscreen *scr) 1631 { 1632 #if NWSKBD > 0 1633 int s, raw, data, error; 1634 struct wsevsrc *inp; 1635 1636 s = spltty(); 1637 1638 raw = (scr ? scr->scr_rawkbd : 0); 1639 1640 if (scr != sc->sc_focus || 1641 sc->sc_rawkbd == raw) { 1642 splx(s); 1643 return (0); 1644 } 1645 1646 data = raw ? WSKBD_RAW : WSKBD_TRANSLATED; 1647 inp = sc->sc_input; 1648 if (inp == NULL) { 1649 splx(s); 1650 return (ENXIO); 1651 } 1652 error = wsevsrc_display_ioctl(inp, WSKBDIO_SETMODE, &data, 0, 0); 1653 if (!error) 1654 sc->sc_rawkbd = raw; 1655 splx(s); 1656 return (error); 1657 #else 1658 return (0); 1659 #endif 1660 } 1661 #endif 1662 1663 static void 1664 wsdisplay_switch3_cb(void *arg, int error, int waitok) 1665 { 1666 device_t dv = arg; 1667 1668 wsdisplay_switch3(dv, error, waitok); 1669 } 1670 1671 static int 1672 wsdisplay_switch3(device_t dv, int error, int waitok) 1673 { 1674 struct wsdisplay_softc *sc = device_private(dv); 1675 int no; 1676 struct wsscreen *scr; 1677 1678 if (!(sc->sc_flags & SC_SWITCHPENDING)) { 1679 aprint_error_dev(dv, "wsdisplay_switch3: not switching\n"); 1680 return (EINVAL); 1681 } 1682 1683 no = sc->sc_screenwanted; 1684 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1685 panic("wsdisplay_switch3: invalid screen %d", no); 1686 scr = sc->sc_scr[no]; 1687 if (!scr) { 1688 aprint_error_dev(dv, 1689 "wsdisplay_switch3: screen %d disappeared\n", no); 1690 error = ENXIO; 1691 } 1692 1693 if (error) { 1694 /* try to recover, avoid recursion */ 1695 1696 if (sc->sc_oldscreen == WSDISPLAY_NULLSCREEN) { 1697 aprint_error_dev(dv, "wsdisplay_switch3: giving up\n"); 1698 sc->sc_focus = 0; 1699 #ifdef WSDISPLAY_COMPAT_RAWKBD 1700 wsdisplay_update_rawkbd(sc, 0); 1701 #endif 1702 sc->sc_flags &= ~SC_SWITCHPENDING; 1703 return (error); 1704 } 1705 1706 sc->sc_screenwanted = sc->sc_oldscreen; 1707 sc->sc_oldscreen = WSDISPLAY_NULLSCREEN; 1708 return (wsdisplay_switch1(dv, 0, waitok)); 1709 } 1710 1711 sc->sc_flags &= ~SC_SWITCHPENDING; 1712 1713 if (!error && (scr->scr_flags & SCR_WAITACTIVE)) 1714 wakeup(scr); 1715 return (error); 1716 } 1717 1718 static void 1719 wsdisplay_switch2_cb(void *arg, int error, int waitok) 1720 { 1721 device_t dv = arg; 1722 1723 wsdisplay_switch2(dv, error, waitok); 1724 } 1725 1726 static int 1727 wsdisplay_switch2(device_t dv, int error, int waitok) 1728 { 1729 struct wsdisplay_softc *sc = device_private(dv); 1730 int no; 1731 struct wsscreen *scr; 1732 1733 if (!(sc->sc_flags & SC_SWITCHPENDING)) { 1734 aprint_error_dev(dv, "wsdisplay_switch2: not switching\n"); 1735 return (EINVAL); 1736 } 1737 1738 no = sc->sc_screenwanted; 1739 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1740 panic("wsdisplay_switch2: invalid screen %d", no); 1741 scr = sc->sc_scr[no]; 1742 if (!scr) { 1743 aprint_error_dev(dv, 1744 "wsdisplay_switch2: screen %d disappeared\n", no); 1745 error = ENXIO; 1746 } 1747 1748 if (error) { 1749 /* try to recover, avoid recursion */ 1750 1751 if (sc->sc_oldscreen == WSDISPLAY_NULLSCREEN) { 1752 aprint_error_dev(dv, "wsdisplay_switch2: giving up\n"); 1753 sc->sc_focus = 0; 1754 sc->sc_flags &= ~SC_SWITCHPENDING; 1755 return (error); 1756 } 1757 1758 sc->sc_screenwanted = sc->sc_oldscreen; 1759 sc->sc_oldscreen = WSDISPLAY_NULLSCREEN; 1760 return (wsdisplay_switch1(dv, 0, waitok)); 1761 } 1762 1763 sc->sc_focusidx = no; 1764 sc->sc_focus = scr; 1765 1766 #ifdef WSDISPLAY_COMPAT_RAWKBD 1767 (void) wsdisplay_update_rawkbd(sc, scr); 1768 #endif 1769 /* keyboard map??? */ 1770 1771 if (scr->scr_syncops) { 1772 error = (*scr->scr_syncops->attach)(scr->scr_synccookie, waitok, 1773 sc->sc_isconsole && wsdisplay_cons_pollmode ? 0 : wsdisplay_switch3_cb, dv); 1774 if (error == EAGAIN) { 1775 /* switch will be done asynchronously */ 1776 return (0); 1777 } 1778 } 1779 1780 return (wsdisplay_switch3(dv, error, waitok)); 1781 } 1782 1783 static void 1784 wsdisplay_switch1_cb(void *arg, int error, int waitok) 1785 { 1786 device_t dv = arg; 1787 1788 wsdisplay_switch1(dv, error, waitok); 1789 } 1790 1791 static int 1792 wsdisplay_switch1(device_t dv, int error, int waitok) 1793 { 1794 struct wsdisplay_softc *sc = device_private(dv); 1795 int no; 1796 struct wsscreen *scr; 1797 1798 if (!(sc->sc_flags & SC_SWITCHPENDING)) { 1799 aprint_error_dev(dv, "wsdisplay_switch1: not switching\n"); 1800 return (EINVAL); 1801 } 1802 1803 no = sc->sc_screenwanted; 1804 if (no == WSDISPLAY_NULLSCREEN) { 1805 sc->sc_flags &= ~SC_SWITCHPENDING; 1806 if (!error) { 1807 sc->sc_focus = 0; 1808 } 1809 wakeup(sc); 1810 return (error); 1811 } 1812 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1813 panic("wsdisplay_switch1: invalid screen %d", no); 1814 scr = sc->sc_scr[no]; 1815 if (!scr) { 1816 aprint_error_dev(dv, "wsdisplay_switch1: screen %d disappeared\n", no); 1817 error = ENXIO; 1818 } 1819 1820 if (error) { 1821 sc->sc_flags &= ~SC_SWITCHPENDING; 1822 return (error); 1823 } 1824 1825 error = (*sc->sc_accessops->show_screen)(sc->sc_accesscookie, 1826 scr->scr_dconf->emulcookie, 1827 waitok, 1828 sc->sc_isconsole && wsdisplay_cons_pollmode ? 0 : wsdisplay_switch2_cb, dv); 1829 if (error == EAGAIN) { 1830 /* switch will be done asynchronously */ 1831 return (0); 1832 } 1833 1834 return (wsdisplay_switch2(dv, error, waitok)); 1835 } 1836 1837 int 1838 wsdisplay_switch(device_t dv, int no, int waitok) 1839 { 1840 struct wsdisplay_softc *sc = device_private(dv); 1841 int s, res = 0; 1842 struct wsscreen *scr; 1843 1844 if (no != WSDISPLAY_NULLSCREEN) { 1845 if ((no < 0 || no >= WSDISPLAY_MAXSCREEN)) 1846 return (EINVAL); 1847 if (sc->sc_scr[no] == NULL) 1848 return (ENXIO); 1849 } 1850 1851 wsdisplay_stat_inject(dv, WSCONS_EVENT_SCREEN_SWITCH, no); 1852 1853 s = spltty(); 1854 1855 if ((sc->sc_focus && no == sc->sc_focusidx) || 1856 (sc->sc_focus == NULL && no == WSDISPLAY_NULLSCREEN)) { 1857 splx(s); 1858 return (0); 1859 } 1860 1861 if (sc->sc_flags & SC_SWITCHPENDING) { 1862 splx(s); 1863 return (EBUSY); 1864 } 1865 1866 sc->sc_flags |= SC_SWITCHPENDING; 1867 sc->sc_screenwanted = no; 1868 1869 splx(s); 1870 1871 scr = sc->sc_focus; 1872 if (!scr) { 1873 sc->sc_oldscreen = WSDISPLAY_NULLSCREEN; 1874 return (wsdisplay_switch1(dv, 0, waitok)); 1875 } else 1876 sc->sc_oldscreen = sc->sc_focusidx; 1877 1878 if (scr->scr_syncops) { 1879 res = (*scr->scr_syncops->detach)(scr->scr_synccookie, waitok, 1880 sc->sc_isconsole && wsdisplay_cons_pollmode ? 0 : wsdisplay_switch1_cb, dv); 1881 if (res == EAGAIN) { 1882 /* switch will be done asynchronously */ 1883 return (0); 1884 } 1885 } else if (scr->scr_flags & SCR_GRAPHICS) { 1886 /* no way to save state */ 1887 res = EBUSY; 1888 } 1889 1890 return (wsdisplay_switch1(dv, res, waitok)); 1891 } 1892 1893 void 1894 wsdisplay_reset(device_t dv, enum wsdisplay_resetops op) 1895 { 1896 struct wsdisplay_softc *sc = device_private(dv); 1897 struct wsscreen *scr; 1898 1899 KASSERT(sc != NULL); 1900 scr = sc->sc_focus; 1901 1902 if (!scr) 1903 return; 1904 1905 switch (op) { 1906 case WSDISPLAY_RESETEMUL: 1907 if (!WSSCREEN_HAS_EMULATOR(scr)) 1908 break; 1909 (*scr->scr_dconf->wsemul->reset)(scr->scr_dconf->wsemulcookie, 1910 WSEMUL_RESET); 1911 break; 1912 case WSDISPLAY_RESETCLOSE: 1913 wsdisplay_closescreen(sc, scr); 1914 break; 1915 } 1916 } 1917 1918 /* 1919 * Interface for (external) VT switch / process synchronization code 1920 */ 1921 int 1922 wsscreen_attach_sync(struct wsscreen *scr, const struct wscons_syncops *ops, 1923 void *cookie) 1924 { 1925 if (scr->scr_syncops) { 1926 /* 1927 * The screen is already claimed. 1928 * Check if the owner is still alive. 1929 */ 1930 if ((*scr->scr_syncops->check)(scr->scr_synccookie)) 1931 return (EBUSY); 1932 } 1933 scr->scr_syncops = ops; 1934 scr->scr_synccookie = cookie; 1935 return (0); 1936 } 1937 1938 int 1939 wsscreen_detach_sync(struct wsscreen *scr) 1940 { 1941 if (!scr->scr_syncops) 1942 return (EINVAL); 1943 scr->scr_syncops = 0; 1944 return (0); 1945 } 1946 1947 int 1948 wsscreen_lookup_sync(struct wsscreen *scr, 1949 const struct wscons_syncops *ops, /* used as ID */ 1950 void **cookiep) 1951 { 1952 if (!scr->scr_syncops || ops != scr->scr_syncops) 1953 return (EINVAL); 1954 *cookiep = scr->scr_synccookie; 1955 return (0); 1956 } 1957 1958 /* 1959 * Interface to virtual screen stuff 1960 */ 1961 int 1962 wsdisplay_maxscreenidx(struct wsdisplay_softc *sc) 1963 { 1964 return (WSDISPLAY_MAXSCREEN - 1); 1965 } 1966 1967 int 1968 wsdisplay_screenstate(struct wsdisplay_softc *sc, int idx) 1969 { 1970 if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN) 1971 return (EINVAL); 1972 if (!sc->sc_scr[idx]) 1973 return (ENXIO); 1974 return ((sc->sc_scr[idx]->scr_flags & SCR_OPEN) ? EBUSY : 0); 1975 } 1976 1977 int 1978 wsdisplay_getactivescreen(struct wsdisplay_softc *sc) 1979 { 1980 return (sc->sc_focus ? sc->sc_focusidx : WSDISPLAY_NULLSCREEN); 1981 } 1982 1983 int 1984 wsscreen_switchwait(struct wsdisplay_softc *sc, int no) 1985 { 1986 struct wsscreen *scr; 1987 int s, res = 0; 1988 1989 if (no == WSDISPLAY_NULLSCREEN) { 1990 s = spltty(); 1991 while (sc->sc_focus && res == 0) { 1992 res = tsleep(sc, PCATCH, "wswait", 0); 1993 } 1994 splx(s); 1995 return (res); 1996 } 1997 1998 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1999 return (ENXIO); 2000 scr = sc->sc_scr[no]; 2001 if (!scr) 2002 return (ENXIO); 2003 2004 s = spltty(); 2005 if (scr != sc->sc_focus) { 2006 scr->scr_flags |= SCR_WAITACTIVE; 2007 res = tsleep(scr, PCATCH, "wswait", 0); 2008 if (scr != sc->sc_scr[no]) 2009 res = ENXIO; /* disappeared in the meantime */ 2010 else 2011 scr->scr_flags &= ~SCR_WAITACTIVE; 2012 } 2013 splx(s); 2014 return (res); 2015 } 2016 2017 void 2018 wsdisplay_kbdholdscreen(device_t dv, int hold) 2019 { 2020 struct wsdisplay_softc *sc = device_private(dv); 2021 struct wsscreen *scr; 2022 2023 scr = sc->sc_focus; 2024 2025 if (hold) 2026 scr->scr_hold_screen = 1; 2027 else { 2028 scr->scr_hold_screen = 0; 2029 callout_schedule(&scr->scr_tty->t_rstrt_ch, 0); 2030 } 2031 } 2032 2033 #if NWSKBD > 0 2034 void 2035 wsdisplay_set_console_kbd(struct wsevsrc *src) 2036 { 2037 if (wsdisplay_console_device == NULL) { 2038 src->me_dispdv = NULL; 2039 return; 2040 } 2041 #if NWSMUX > 0 2042 if (wsmux_attach_sc((struct wsmux_softc *) 2043 wsdisplay_console_device->sc_input, src)) { 2044 src->me_dispdv = NULL; 2045 return; 2046 } 2047 #else 2048 wsdisplay_console_device->sc_input = src; 2049 #endif 2050 src->me_dispdv = wsdisplay_console_device->sc_dev; 2051 } 2052 #endif /* NWSKBD > 0 */ 2053 2054 /* 2055 * Console interface. 2056 */ 2057 void 2058 wsdisplay_cnputc(dev_t dev, int i) 2059 { 2060 struct wsscreen_internal *dc; 2061 u_char c = i; 2062 2063 if (!wsdisplay_console_initted) 2064 return; 2065 2066 if ((wsdisplay_console_device != NULL) && 2067 (wsdisplay_console_device->sc_scr[0] != NULL) && 2068 (wsdisplay_console_device->sc_scr[0]->scr_flags & SCR_GRAPHICS)) 2069 return; 2070 2071 dc = &wsdisplay_console_conf; 2072 (*dc->wsemul->output)(dc->wsemulcookie, &c, 1, 1); 2073 } 2074 2075 static int 2076 wsdisplay_getc_dummy(dev_t dev) 2077 { 2078 /* panic? */ 2079 return (0); 2080 } 2081 2082 static void 2083 wsdisplay_pollc(dev_t dev, int on) 2084 { 2085 2086 wsdisplay_cons_pollmode = on; 2087 2088 /* notify to fb drivers */ 2089 if (wsdisplay_console_device != NULL && 2090 wsdisplay_console_device->sc_accessops->pollc != NULL) 2091 (*wsdisplay_console_device->sc_accessops->pollc) 2092 (wsdisplay_console_device->sc_accesscookie, on); 2093 2094 /* notify to kbd drivers */ 2095 if (wsdisplay_cons_kbd_pollc) 2096 (*wsdisplay_cons_kbd_pollc)(NODEV, on); 2097 } 2098 2099 void 2100 wsdisplay_set_cons_kbd(int (*get)(dev_t), void (*poll)(dev_t, int), 2101 void (*bell)(dev_t, u_int, u_int, u_int)) 2102 { 2103 wsdisplay_cons.cn_getc = get; 2104 wsdisplay_cons.cn_bell = bell; 2105 wsdisplay_cons_kbd_pollc = poll; 2106 } 2107 2108 void 2109 wsdisplay_unset_cons_kbd(void) 2110 { 2111 wsdisplay_cons.cn_getc = wsdisplay_getc_dummy; 2112 wsdisplay_cons.cn_bell = NULL; 2113 wsdisplay_cons_kbd_pollc = 0; 2114 } 2115 2116 static void 2117 wsdisplay_switchto(int no) 2118 { 2119 struct wsdisplay_softc *sc; 2120 struct wsscreen *scr; 2121 2122 if (wsdisplay_console_device != NULL) { 2123 sc = wsdisplay_console_device; 2124 if ((scr = sc->sc_scr[no]) == NULL) 2125 return; 2126 (*sc->sc_accessops->show_screen)(sc->sc_accesscookie, 2127 scr->scr_dconf->emulcookie, 2128 0, NULL, NULL); 2129 } 2130 } 2131 2132 /* 2133 * Switch the console display to it's first screen. 2134 */ 2135 void 2136 wsdisplay_switchtoconsole(void) 2137 { 2138 wsdisplay_switchto(0); 2139 } 2140 2141 /* 2142 * Switch the console at shutdown. 2143 */ 2144 static void 2145 wsdisplay_shutdownhook(void *arg) 2146 { 2147 2148 wsdisplay_switchtoconsole(); 2149 } 2150
Indexes created Wed Oct 22 13:09:56 GMT 2025