wsdisplay.c revision 1.52.2.4
1 /* $NetBSD: wsdisplay.c,v 1.52.2.4 2001/10/13 18:01:29 fvdl 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 1.52.2.4 2001/10/13 18:01:29 fvdl Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/conf.h> 38 #include <sys/device.h> 39 #include <sys/ioctl.h> 40 #include <sys/kernel.h> 41 #include <sys/proc.h> 42 #include <sys/malloc.h> 43 #include <sys/syslog.h> 44 #include <sys/systm.h> 45 #include <sys/tty.h> 46 #include <sys/signalvar.h> 47 #include <sys/errno.h> 48 #include <sys/fcntl.h> 49 #include <sys/vnode.h> 50 51 #include <miscfs/specfs/specdev.h> 52 53 #include <dev/wscons/wsconsio.h> 54 #include <dev/wscons/wsdisplayvar.h> 55 #include <dev/wscons/wsksymvar.h> 56 #include <dev/wscons/wsksymdef.h> 57 #include <dev/wscons/wsemulvar.h> 58 #include <dev/wscons/wscons_callbacks.h> 59 #include <dev/cons.h> 60 61 #include "opt_wsdisplay_compat.h" 62 #include "opt_compat_netbsd.h" 63 #include "wskbd.h" 64 #include "wsmux.h" 65 66 #if NWSKBD > 0 67 #include <dev/wscons/wseventvar.h> 68 #include <dev/wscons/wsmuxvar.h> 69 #endif 70 71 struct wsscreen_internal { 72 const struct wsdisplay_emulops *emulops; 73 void *emulcookie; 74 75 const struct wsscreen_descr *scrdata; 76 77 const struct wsemul_ops *wsemul; 78 void *wsemulcookie; 79 }; 80 81 struct wsscreen { 82 struct wsscreen_internal *scr_dconf; 83 84 struct tty *scr_tty; 85 int scr_hold_screen; /* hold tty output */ 86 87 int scr_flags; 88 #define SCR_OPEN 1 /* is it open? */ 89 #define SCR_WAITACTIVE 2 /* someone waiting on activation */ 90 #define SCR_GRAPHICS 4 /* graphics mode, no text (emulation) output */ 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 __P((struct wsdisplay_softc *, int, 102 const char *, 103 const struct wsscreen_descr *, void *, 104 int, int, long)); 105 void wsscreen_detach __P((struct wsscreen *)); 106 int wsdisplay_addscreen __P((struct wsdisplay_softc *, int, const char *, const char *)); 107 static void wsdisplay_shutdownhook __P((void *)); 108 static void wsdisplay_addscreen_print __P((struct wsdisplay_softc *, int, int)); 109 static void wsdisplay_closescreen __P((struct wsdisplay_softc *, 110 struct wsscreen *)); 111 int wsdisplay_delscreen __P((struct wsdisplay_softc *, int, 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; 122 123 struct wsscreen *sc_scr[WSDISPLAY_MAXSCREEN]; 124 int sc_focusidx; /* available only if sc_focus isn't null */ 125 struct wsscreen *sc_focus; 126 127 int sc_isconsole; 128 129 int sc_flags; 130 #define SC_SWITCHPENDING 1 131 int sc_screenwanted, sc_oldscreen; /* valid with SC_SWITCHPENDING */ 132 133 #if NWSKBD > 0 134 struct wsmux_softc *sc_muxdv; 135 #ifdef WSDISPLAY_COMPAT_RAWKBD 136 int sc_rawkbd; 137 #endif 138 #endif /* NWSKBD > 0 */ 139 }; 140 141 extern struct cfdriver wsdisplay_cd; 142 143 /* Autoconfiguration definitions. */ 144 static int wsdisplay_emul_match __P((struct device *, struct cfdata *, 145 void *)); 146 static void wsdisplay_emul_attach __P((struct device *, struct device *, 147 void *)); 148 static int wsdisplay_noemul_match __P((struct device *, struct cfdata *, 149 void *)); 150 static void wsdisplay_noemul_attach __P((struct device *, struct device *, 151 void *)); 152 153 struct cfattach wsdisplay_emul_ca = { 154 sizeof (struct wsdisplay_softc), 155 wsdisplay_emul_match, 156 wsdisplay_emul_attach, 157 }; 158 159 struct cfattach wsdisplay_noemul_ca = { 160 sizeof (struct wsdisplay_softc), 161 wsdisplay_noemul_match, 162 wsdisplay_noemul_attach, 163 }; 164 165 /* Exported tty- and cdevsw-related functions. */ 166 cdev_decl(wsdisplay); 167 168 static void wsdisplaystart __P((struct tty *)); 169 static int wsdisplayparam __P((struct tty *, struct termios *)); 170 171 172 /* Internal macros, functions, and variables. */ 173 #define SET(t, f) (t) |= (f) 174 #define CLR(t, f) (t) &= ~(f) 175 #define ISSET(t, f) ((t) & (f)) 176 177 #define WSDISPLAYUNIT(dev) (minor(dev) >> 8) 178 #define WSDISPLAYSCREEN(dev) (minor(dev) & 0xff) 179 #define ISWSDISPLAYCTL(dev) (WSDISPLAYSCREEN(dev) == 255) 180 #define WSDISPLAYMINOR(unit, screen) (((unit) << 8) | (screen)) 181 182 #define WSSCREEN_HAS_EMULATOR(scr) ((scr)->scr_dconf->wsemul != NULL) 183 #define WSSCREEN_HAS_TTY(scr) ((scr)->scr_tty != NULL) 184 185 static void wsdisplay_common_attach __P((struct wsdisplay_softc *sc, 186 int console, const struct wsscreen_list *, 187 const struct wsdisplay_accessops *accessops, 188 void *accesscookie)); 189 190 #ifdef WSDISPLAY_COMPAT_RAWKBD 191 int wsdisplay_update_rawkbd __P((struct wsdisplay_softc *, 192 struct wsscreen *)); 193 #endif 194 195 static int wsdisplay_console_initted; 196 static struct wsdisplay_softc *wsdisplay_console_device; 197 static struct wsscreen_internal wsdisplay_console_conf; 198 199 static int wsdisplay_getc_dummy __P((dev_t)); 200 static void wsdisplay_pollc __P((dev_t, int)); 201 202 static int wsdisplay_cons_pollmode; 203 static void (*wsdisplay_cons_kbd_pollc) __P((dev_t, int)); 204 205 static struct consdev wsdisplay_cons = { 206 NULL, NULL, wsdisplay_getc_dummy, wsdisplay_cnputc, 207 wsdisplay_pollc, NULL, NODEV, CN_NORMAL 208 }; 209 210 #ifndef WSDISPLAY_DEFAULTSCREENS 211 # define WSDISPLAY_DEFAULTSCREENS 0 212 #endif 213 int wsdisplay_defaultscreens = WSDISPLAY_DEFAULTSCREENS; 214 215 int wsdisplay_switch1 __P((void *, int, int)); 216 int wsdisplay_switch2 __P((void *, int, int)); 217 int wsdisplay_switch3 __P((void *, int, int)); 218 219 int wsdisplay_clearonclose; 220 221 struct wsscreen * 222 wsscreen_attach(sc, console, emul, type, cookie, ccol, crow, defattr) 223 struct wsdisplay_softc *sc; 224 int console; 225 const char *emul; 226 const struct wsscreen_descr *type; 227 void *cookie; 228 int ccol, crow; 229 long defattr; 230 { 231 struct wsscreen_internal *dconf; 232 struct wsscreen *scr; 233 234 scr = malloc(sizeof(struct wsscreen), M_DEVBUF, M_WAITOK); 235 if (!scr) 236 return (NULL); 237 238 if (console) { 239 dconf = &wsdisplay_console_conf; 240 /* 241 * If there's an emulation, tell it about the callback argument. 242 * The other stuff is already there. 243 */ 244 if (dconf->wsemul != NULL) 245 (*dconf->wsemul->attach)(1, 0, 0, 0, 0, scr, 0); 246 } else { /* not console */ 247 dconf = malloc(sizeof(struct wsscreen_internal), 248 M_DEVBUF, M_NOWAIT); 249 dconf->emulops = type->textops; 250 dconf->emulcookie = cookie; 251 if (dconf->emulops) { 252 dconf->wsemul = wsemul_pick(emul); 253 if (dconf->wsemul == NULL) { 254 free(dconf, M_DEVBUF); 255 free(scr, M_DEVBUF); 256 return (NULL); 257 } 258 dconf->wsemulcookie = 259 (*dconf->wsemul->attach)(0, type, cookie, 260 ccol, crow, scr, defattr); 261 } else 262 dconf->wsemul = NULL; 263 dconf->scrdata = type; 264 } 265 266 scr->scr_dconf = dconf; 267 268 scr->scr_tty = ttymalloc(); 269 tty_attach(scr->scr_tty); 270 scr->scr_hold_screen = 0; 271 if (WSSCREEN_HAS_EMULATOR(scr)) 272 scr->scr_flags = 0; 273 else 274 scr->scr_flags = SCR_GRAPHICS; 275 276 scr->scr_syncops = 0; 277 scr->sc = sc; 278 #ifdef WSDISPLAY_COMPAT_RAWKBD 279 scr->scr_rawkbd = 0; 280 #endif 281 return (scr); 282 } 283 284 void 285 wsscreen_detach(scr) 286 struct wsscreen *scr; 287 { 288 int ccol, crow; /* XXX */ 289 290 if (WSSCREEN_HAS_TTY(scr)) { 291 tty_detach(scr->scr_tty); 292 ttyfree(scr->scr_tty); 293 } 294 if (WSSCREEN_HAS_EMULATOR(scr)) 295 (*scr->scr_dconf->wsemul->detach)(scr->scr_dconf->wsemulcookie, 296 &ccol, &crow); 297 free(scr->scr_dconf, M_DEVBUF); 298 free(scr, M_DEVBUF); 299 } 300 301 const struct wsscreen_descr * 302 wsdisplay_screentype_pick(scrdata, name) 303 const struct wsscreen_list *scrdata; 304 const char *name; 305 { 306 int i; 307 const struct wsscreen_descr *scr; 308 309 KASSERT(scrdata->nscreens > 0); 310 311 if (name == NULL) 312 return (scrdata->screens[0]); 313 314 for (i = 0; i < scrdata->nscreens; i++) { 315 scr = scrdata->screens[i]; 316 if (!strcmp(name, scr->name)) 317 return (scr); 318 } 319 320 return (0); 321 } 322 323 /* 324 * print info about attached screen 325 */ 326 static void 327 wsdisplay_addscreen_print(sc, idx, count) 328 struct wsdisplay_softc *sc; 329 int idx, count; 330 { 331 printf("%s: screen %d", sc->sc_dv.dv_xname, idx); 332 if (count > 1) 333 printf("-%d", idx + (count-1)); 334 printf(" added (%s", sc->sc_scr[idx]->scr_dconf->scrdata->name); 335 if (WSSCREEN_HAS_EMULATOR(sc->sc_scr[idx])) { 336 printf(", %s emulation", 337 sc->sc_scr[idx]->scr_dconf->wsemul->name); 338 } 339 printf(")\n"); 340 } 341 342 int 343 wsdisplay_addscreen(sc, idx, screentype, emul) 344 struct wsdisplay_softc *sc; 345 int idx; 346 const char *screentype, *emul; 347 { 348 const struct wsscreen_descr *scrdesc; 349 int error; 350 void *cookie; 351 int ccol, crow; 352 long defattr; 353 struct wsscreen *scr; 354 int s; 355 356 if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN) 357 return (EINVAL); 358 if (sc->sc_scr[idx] != NULL) 359 return (EBUSY); 360 361 scrdesc = wsdisplay_screentype_pick(sc->sc_scrdata, screentype); 362 if (!scrdesc) 363 return (ENXIO); 364 error = (*sc->sc_accessops->alloc_screen)(sc->sc_accesscookie, 365 scrdesc, &cookie, &ccol, &crow, &defattr); 366 if (error) 367 return (error); 368 369 scr = wsscreen_attach(sc, 0, emul, scrdesc, 370 cookie, ccol, crow, defattr); 371 if (scr == NULL) { 372 (*sc->sc_accessops->free_screen)(sc->sc_accesscookie, 373 cookie); 374 return (ENXIO); 375 } 376 377 sc->sc_scr[idx] = scr; 378 379 /* if no screen has focus yet, activate the first we get */ 380 s = spltty(); 381 if (!sc->sc_focus) { 382 (*sc->sc_accessops->show_screen)(sc->sc_accesscookie, 383 scr->scr_dconf->emulcookie, 384 0, 0, 0); 385 sc->sc_focusidx = idx; 386 sc->sc_focus = scr; 387 } 388 splx(s); 389 return (0); 390 } 391 392 static void 393 wsdisplay_closescreen(sc, scr) 394 struct wsdisplay_softc *sc; 395 struct wsscreen *scr; 396 { 397 int maj, mn, idx; 398 399 /* hangup */ 400 if (WSSCREEN_HAS_TTY(scr)) { 401 struct tty *tp = scr->scr_tty; 402 (*tp->t_linesw->l_modem)(tp, 0); 403 } 404 405 /* locate the major number */ 406 for (maj = 0; maj < nchrdev; maj++) 407 if (cdevsw[maj].d_open == wsdisplayopen) 408 break; 409 /* locate the screen index */ 410 for (idx = 0; idx < WSDISPLAY_MAXSCREEN; idx++) 411 if (scr == sc->sc_scr[idx]) 412 break; 413 #ifdef DIAGNOSTIC 414 if (idx == WSDISPLAY_MAXSCREEN) 415 panic("wsdisplay_forceclose: bad screen"); 416 #endif 417 418 /* nuke the vnodes */ 419 mn = WSDISPLAYMINOR(sc->sc_dv.dv_unit, idx); 420 vdevgone(maj, mn, mn, VCHR); 421 } 422 423 int 424 wsdisplay_delscreen(sc, idx, flags) 425 struct wsdisplay_softc *sc; 426 int idx, flags; 427 { 428 struct wsscreen *scr; 429 int s; 430 void *cookie; 431 432 if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN) 433 return (EINVAL); 434 scr = sc->sc_scr[idx]; 435 if (!scr) 436 return (ENXIO); 437 438 if (scr->scr_dconf == &wsdisplay_console_conf || 439 scr->scr_syncops || 440 ((scr->scr_flags & SCR_OPEN) && !(flags & WSDISPLAY_DELSCR_FORCE))) 441 return(EBUSY); 442 443 wsdisplay_closescreen(sc, scr); 444 445 /* 446 * delete pointers, so neither device entries 447 * nor keyboard input can reference it anymore 448 */ 449 s = spltty(); 450 if (sc->sc_focus == scr) { 451 sc->sc_focus = 0; 452 #ifdef WSDISPLAY_COMPAT_RAWKBD 453 wsdisplay_update_rawkbd(sc, 0); 454 #endif 455 } 456 sc->sc_scr[idx] = 0; 457 splx(s); 458 459 /* 460 * Wake up processes waiting for the screen to 461 * be activated. Sleepers must check whether 462 * the screen still exists. 463 */ 464 if (scr->scr_flags & SCR_WAITACTIVE) 465 wakeup(scr); 466 467 /* save a reference to the graphics screen */ 468 cookie = scr->scr_dconf->emulcookie; 469 470 wsscreen_detach(scr); 471 472 (*sc->sc_accessops->free_screen)(sc->sc_accesscookie, 473 cookie); 474 475 printf("%s: screen %d deleted\n", sc->sc_dv.dv_xname, idx); 476 return (0); 477 } 478 479 /* 480 * Autoconfiguration functions. 481 */ 482 int 483 wsdisplay_emul_match(parent, match, aux) 484 struct device *parent; 485 struct cfdata *match; 486 void *aux; 487 { 488 struct wsemuldisplaydev_attach_args *ap = aux; 489 490 if (match->wsemuldisplaydevcf_console != 491 WSEMULDISPLAYDEVCF_CONSOLE_UNK) { 492 /* 493 * If console-ness of device specified, either match 494 * exactly (at high priority), or fail. 495 */ 496 if (match->wsemuldisplaydevcf_console != 0 && 497 ap->console != 0) 498 return (10); 499 else 500 return (0); 501 } 502 503 /* If console-ness unspecified, it wins. */ 504 return (1); 505 } 506 507 void 508 wsdisplay_emul_attach(parent, self, aux) 509 struct device *parent, *self; 510 void *aux; 511 { 512 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)self; 513 struct wsemuldisplaydev_attach_args *ap = aux; 514 515 wsdisplay_common_attach(sc, ap->console, ap->scrdata, 516 ap->accessops, ap->accesscookie); 517 518 if (ap->console) { 519 int maj; 520 521 /* locate the major number */ 522 for (maj = 0; maj < nchrdev; maj++) 523 if (cdevsw[maj].d_open == wsdisplayopen) 524 break; 525 526 cn_tab->cn_dev = makedev(maj, WSDISPLAYMINOR(self->dv_unit, 0)); 527 } 528 } 529 530 /* Print function (for parent devices). */ 531 int 532 wsemuldisplaydevprint(aux, pnp) 533 void *aux; 534 const char *pnp; 535 { 536 #if 0 /* -Wunused */ 537 struct wsemuldisplaydev_attach_args *ap = aux; 538 #endif 539 540 if (pnp) 541 printf("wsdisplay at %s", pnp); 542 #if 0 /* don't bother; it's ugly */ 543 printf(" console %d", ap->console); 544 #endif 545 546 return (UNCONF); 547 } 548 549 int 550 wsdisplay_noemul_match(parent, match, aux) 551 struct device *parent; 552 struct cfdata *match; 553 void *aux; 554 { 555 #if 0 /* -Wunused */ 556 struct wsdisplaydev_attach_args *ap = aux; 557 #endif 558 559 /* Always match. */ 560 return (1); 561 } 562 563 void 564 wsdisplay_noemul_attach(parent, self, aux) 565 struct device *parent, *self; 566 void *aux; 567 { 568 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)self; 569 struct wsdisplaydev_attach_args *ap = aux; 570 571 wsdisplay_common_attach(sc, 0, NULL, ap->accessops, ap->accesscookie); 572 } 573 574 /* Print function (for parent devices). */ 575 int 576 wsdisplaydevprint(aux, pnp) 577 void *aux; 578 const char *pnp; 579 { 580 #if 0 /* -Wunused */ 581 struct wsdisplaydev_attach_args *ap = aux; 582 #endif 583 584 if (pnp) 585 printf("wsdisplay at %s", pnp); 586 587 return (UNCONF); 588 } 589 590 static void 591 wsdisplay_common_attach(sc, console, scrdata, accessops, accesscookie) 592 struct wsdisplay_softc *sc; 593 int console; 594 const struct wsscreen_list *scrdata; 595 const struct wsdisplay_accessops *accessops; 596 void *accesscookie; 597 { 598 static int hookset; 599 int i, start=0; 600 #if NWSKBD > 0 601 struct device *dv; 602 603 sc->sc_muxdv = wsmux_create("dmux", sc->sc_dv.dv_unit); 604 if (!sc->sc_muxdv) 605 panic("wsdisplay_common_attach: no memory\n"); 606 sc->sc_muxdv->sc_displaydv = &sc->sc_dv; 607 #endif 608 609 sc->sc_isconsole = console; 610 611 if (console) { 612 KASSERT(wsdisplay_console_initted); 613 KASSERT(wsdisplay_console_device == NULL); 614 615 sc->sc_scr[0] = wsscreen_attach(sc, 1, 0, 0, 0, 0, 0, 0); 616 wsdisplay_console_device = sc; 617 618 printf(": console (%s, %s emulation)", 619 wsdisplay_console_conf.scrdata->name, 620 wsdisplay_console_conf.wsemul->name); 621 622 #if NWSKBD > 0 623 if ((dv = wskbd_set_console_display(&sc->sc_dv, sc->sc_muxdv))) 624 printf(", using %s", dv->dv_xname); 625 #endif 626 627 sc->sc_focusidx = 0; 628 sc->sc_focus = sc->sc_scr[0]; 629 start = 1; 630 } 631 printf("\n"); 632 633 sc->sc_accessops = accessops; 634 sc->sc_accesscookie = accesscookie; 635 sc->sc_scrdata = scrdata; 636 637 /* 638 * Set up a number of virtual screens if wanted. The 639 * WSDISPLAYIO_ADDSCREEN ioctl is more flexible, so this code 640 * is for special cases like installation kernels. 641 */ 642 for (i = start; i < wsdisplay_defaultscreens; i++) { 643 if (wsdisplay_addscreen(sc, i, 0, 0)) 644 break; 645 } 646 647 if (i > start) 648 wsdisplay_addscreen_print(sc, start, i-start); 649 650 if (hookset == 0) 651 shutdownhook_establish(wsdisplay_shutdownhook, NULL); 652 hookset = 1; 653 } 654 655 void 656 wsdisplay_cnattach(type, cookie, ccol, crow, defattr) 657 const struct wsscreen_descr *type; 658 void *cookie; 659 int ccol, crow; 660 long defattr; 661 { 662 const struct wsemul_ops *wsemul; 663 664 KASSERT(!wsdisplay_console_initted); 665 KASSERT(type->nrows > 0); 666 KASSERT(type->ncols > 0); 667 KASSERT(crow < type->nrows); 668 KASSERT(ccol < type->ncols); 669 670 wsdisplay_console_conf.emulops = type->textops; 671 wsdisplay_console_conf.emulcookie = cookie; 672 wsdisplay_console_conf.scrdata = type; 673 674 wsemul = wsemul_pick(0); /* default */ 675 wsdisplay_console_conf.wsemul = wsemul; 676 wsdisplay_console_conf.wsemulcookie = (*wsemul->cnattach)(type, cookie, 677 ccol, crow, 678 defattr); 679 680 cn_tab = &wsdisplay_cons; 681 wsdisplay_console_initted = 1; 682 } 683 684 /* 685 * Tty and cdevsw functions. 686 */ 687 int 688 wsdisplayopen(devvp, flag, mode, p) 689 struct vnode *devvp; 690 int flag, mode; 691 struct proc *p; 692 { 693 struct wsdisplay_softc *sc; 694 struct tty *tp; 695 int newopen, error; 696 struct wsscreen *scr; 697 dev_t rdev; 698 699 rdev = vdev_rdev(devvp); 700 701 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(rdev)); 702 if (sc == NULL) /* make sure it was attached */ 703 return (ENXIO); 704 705 vdev_setprivdata(devvp, sc); 706 707 if (ISWSDISPLAYCTL(rdev)) 708 return (0); 709 710 if (WSDISPLAYSCREEN(rdev) >= WSDISPLAY_MAXSCREEN) 711 return (ENXIO); 712 scr = sc->sc_scr[WSDISPLAYSCREEN(rdev)]; 713 if (!scr) 714 return (ENXIO); 715 716 if (WSSCREEN_HAS_TTY(scr)) { 717 tp = scr->scr_tty; 718 tp->t_oproc = wsdisplaystart; 719 tp->t_param = wsdisplayparam; 720 tp->t_dev = rdev; 721 newopen = (tp->t_state & TS_ISOPEN) == 0; 722 if (newopen) { 723 ttychars(tp); 724 tp->t_iflag = TTYDEF_IFLAG; 725 tp->t_oflag = TTYDEF_OFLAG; 726 tp->t_cflag = TTYDEF_CFLAG; 727 tp->t_lflag = TTYDEF_LFLAG; 728 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 729 wsdisplayparam(tp, &tp->t_termios); 730 ttsetwater(tp); 731 } else if ((tp->t_state & TS_XCLUDE) != 0 && 732 p->p_ucred->cr_uid != 0) 733 return EBUSY; 734 tp->t_state |= TS_CARR_ON; 735 736 error = ((*tp->t_linesw->l_open)(devvp, tp)); 737 if (error) 738 return (error); 739 740 if (newopen && WSSCREEN_HAS_EMULATOR(scr)) { 741 /* set window sizes as appropriate, and reset 742 the emulation */ 743 tp->t_winsize.ws_row = scr->scr_dconf->scrdata->nrows; 744 tp->t_winsize.ws_col = scr->scr_dconf->scrdata->ncols; 745 746 /* wsdisplay_set_emulation() */ 747 } 748 } 749 750 scr->scr_flags |= SCR_OPEN; 751 return (0); 752 } 753 754 int 755 wsdisplayclose(devvp, flag, mode, p) 756 struct vnode *devvp; 757 int flag, mode; 758 struct proc *p; 759 { 760 struct wsdisplay_softc *sc; 761 struct tty *tp; 762 struct wsscreen *scr; 763 dev_t rdev; 764 765 rdev = vdev_rdev(devvp); 766 sc = vdev_privdata(devvp); 767 768 if (ISWSDISPLAYCTL(rdev)) 769 return (0); 770 771 scr = sc->sc_scr[WSDISPLAYSCREEN(rdev)]; 772 773 if (WSSCREEN_HAS_TTY(scr)) { 774 if (scr->scr_hold_screen) { 775 int s; 776 777 /* XXX RESET KEYBOARD LEDS, etc. */ 778 s = spltty(); /* avoid conflict with keyboard */ 779 wsdisplay_kbdholdscreen((struct device *)sc, 0); 780 splx(s); 781 } 782 tp = scr->scr_tty; 783 (*tp->t_linesw->l_close)(tp, flag); 784 ttyclose(tp); 785 } 786 787 if (scr->scr_syncops) 788 (*scr->scr_syncops->destroy)(scr->scr_synccookie); 789 790 if (WSSCREEN_HAS_EMULATOR(scr)) { 791 scr->scr_flags &= ~SCR_GRAPHICS; 792 (*scr->scr_dconf->wsemul->reset)(scr->scr_dconf->wsemulcookie, 793 WSEMUL_RESET); 794 if (wsdisplay_clearonclose) 795 (*scr->scr_dconf->wsemul->reset) 796 (scr->scr_dconf->wsemulcookie, 797 WSEMUL_CLEARSCREEN); 798 } 799 800 #ifdef WSDISPLAY_COMPAT_RAWKBD 801 if (scr->scr_rawkbd) { 802 int kbmode = WSKBD_TRANSLATED; 803 (void) wsdisplay_internal_ioctl(sc, scr, WSKBDIO_SETMODE, 804 (caddr_t)&kbmode, 0, p); 805 } 806 #endif 807 808 scr->scr_flags &= ~SCR_OPEN; 809 810 return (0); 811 } 812 813 int 814 wsdisplayread(devvp, uio, flag) 815 struct vnode *devvp; 816 struct uio *uio; 817 int flag; 818 { 819 struct wsdisplay_softc *sc; 820 struct tty *tp; 821 struct wsscreen *scr; 822 dev_t rdev; 823 824 rdev = vdev_rdev(devvp); 825 sc = vdev_privdata(devvp); 826 827 if (ISWSDISPLAYCTL(rdev)) 828 return (0); 829 830 scr = sc->sc_scr[WSDISPLAYSCREEN(rdev)]; 831 832 if (!WSSCREEN_HAS_TTY(scr)) 833 return (ENODEV); 834 835 tp = scr->scr_tty; 836 return ((*tp->t_linesw->l_read)(tp, uio, flag)); 837 } 838 839 int 840 wsdisplaywrite(devvp, uio, flag) 841 struct vnode *devvp; 842 struct uio *uio; 843 int flag; 844 { 845 struct wsdisplay_softc *sc; 846 struct tty *tp; 847 struct wsscreen *scr; 848 dev_t rdev; 849 850 rdev = vdev_rdev(devvp); 851 sc = vdev_privdata(devvp); 852 853 if (ISWSDISPLAYCTL(rdev)) 854 return (0); 855 856 scr = sc->sc_scr[WSDISPLAYSCREEN(rdev)]; 857 858 if (!WSSCREEN_HAS_TTY(scr)) 859 return (ENODEV); 860 861 tp = scr->scr_tty; 862 return ((*tp->t_linesw->l_write)(tp, uio, flag)); 863 } 864 865 int 866 wsdisplaypoll(devvp, events, p) 867 struct vnode *devvp; 868 int events; 869 struct proc *p; 870 { 871 struct wsdisplay_softc *sc; 872 struct tty *tp; 873 struct wsscreen *scr; 874 dev_t rdev; 875 876 rdev = vdev_rdev(devvp); 877 sc = vdev_privdata(devvp); 878 879 if (ISWSDISPLAYCTL(rdev)) 880 return (0); 881 882 scr = sc->sc_scr[WSDISPLAYSCREEN(rdev)]; 883 884 if (!WSSCREEN_HAS_TTY(scr)) 885 return (ENODEV); 886 887 tp = scr->scr_tty; 888 return ((*tp->t_linesw->l_poll)(tp, events, p)); 889 } 890 891 struct tty * 892 wsdisplaytty(devvp) 893 struct vnode *devvp; 894 { 895 struct wsdisplay_softc *sc; 896 struct wsscreen *scr; 897 dev_t rdev; 898 899 rdev = vdev_rdev(devvp); 900 sc = vdev_privdata(devvp); 901 902 if (ISWSDISPLAYCTL(rdev)) 903 panic("wsdisplaytty() on ctl device"); 904 905 scr = sc->sc_scr[WSDISPLAYSCREEN(rdev)]; 906 907 return (scr->scr_tty); 908 } 909 910 int 911 wsdisplayioctl(devvp, cmd, data, flag, p) 912 struct vnode *devvp; 913 u_long cmd; 914 caddr_t data; 915 int flag; 916 struct proc *p; 917 { 918 struct wsdisplay_softc *sc; 919 struct tty *tp; 920 int error; 921 struct wsscreen *scr; 922 dev_t rdev; 923 924 rdev = vdev_rdev(devvp); 925 sc = vdev_privdata(devvp); 926 927 #ifdef WSDISPLAY_COMPAT_USL 928 error = wsdisplay_usl_ioctl1(sc, cmd, data, flag, p); 929 if (error >= 0) 930 return (error); 931 #endif 932 933 if (ISWSDISPLAYCTL(rdev)) 934 return (wsdisplay_cfg_ioctl(sc, cmd, data, flag, p)); 935 936 scr = sc->sc_scr[WSDISPLAYSCREEN(rdev)]; 937 938 if (WSSCREEN_HAS_TTY(scr)) { 939 tp = scr->scr_tty; 940 941 /* printf("disc\n"); */ 942 /* do the line discipline ioctls first */ 943 error = (*tp->t_linesw->l_ioctl)(tp, cmd, data, flag, p); 944 if (error >= 0) 945 return (error); 946 947 /* printf("tty\n"); */ 948 /* then the tty ioctls */ 949 error = ttioctl(tp, devvp, cmd, data, flag, p); 950 if (error >= 0) 951 return (error); 952 } 953 954 #ifdef WSDISPLAY_COMPAT_USL 955 error = wsdisplay_usl_ioctl2(sc, scr, cmd, data, flag, p); 956 if (error >= 0) 957 return (error); 958 #endif 959 960 error = wsdisplay_internal_ioctl(sc, scr, cmd, data, flag, p); 961 return (error != -1 ? error : ENOTTY); 962 } 963 964 int 965 wsdisplay_param(dev, cmd, dp) 966 struct device *dev; 967 u_long cmd; 968 struct wsdisplay_param *dp; 969 { 970 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 971 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie, cmd, 972 (caddr_t)dp, 0, NULL)); 973 } 974 975 int 976 wsdisplay_internal_ioctl(sc, scr, cmd, data, flag, p) 977 struct wsdisplay_softc *sc; 978 struct wsscreen *scr; 979 u_long cmd; 980 caddr_t data; 981 int flag; 982 struct proc *p; 983 { 984 int error; 985 char namebuf[16]; 986 struct wsdisplay_font fd; 987 988 #if NWSKBD > 0 989 #ifdef WSDISPLAY_COMPAT_RAWKBD 990 switch (cmd) { 991 case WSKBDIO_SETMODE: 992 scr->scr_rawkbd = (*(int *)data == WSKBD_RAW); 993 return (wsdisplay_update_rawkbd(sc, scr)); 994 case WSKBDIO_GETMODE: 995 *(int *)data = (scr->scr_rawkbd ? 996 WSKBD_RAW : WSKBD_TRANSLATED); 997 return (0); 998 } 999 #endif 1000 error = wsmux_displayioctl(&sc->sc_muxdv->sc_dv, cmd, data, flag, p); 1001 if (error >= 0) 1002 return (error); 1003 #endif /* NWSKBD > 0 */ 1004 1005 switch (cmd) { 1006 case WSDISPLAYIO_GMODE: 1007 *(u_int *)data = (scr->scr_flags & SCR_GRAPHICS ? 1008 WSDISPLAYIO_MODE_MAPPED : 1009 WSDISPLAYIO_MODE_EMUL); 1010 return (0); 1011 1012 case WSDISPLAYIO_SMODE: 1013 #define d (*(int *)data) 1014 if (d != WSDISPLAYIO_MODE_EMUL && 1015 d != WSDISPLAYIO_MODE_MAPPED) 1016 return (EINVAL); 1017 1018 if (WSSCREEN_HAS_EMULATOR(scr)) { 1019 scr->scr_flags &= ~SCR_GRAPHICS; 1020 if (d == WSDISPLAYIO_MODE_MAPPED) 1021 scr->scr_flags |= SCR_GRAPHICS; 1022 } else if (d == WSDISPLAYIO_MODE_EMUL) 1023 return (EINVAL); 1024 1025 (void)(*sc->sc_accessops->ioctl)(sc->sc_accesscookie, cmd, data, 1026 flag, p); 1027 1028 return (0); 1029 #undef d 1030 1031 case WSDISPLAYIO_USEFONT: 1032 #define d ((struct wsdisplay_usefontdata *)data) 1033 if (!sc->sc_accessops->load_font) 1034 return (EINVAL); 1035 if (d->name) { 1036 error = copyinstr(d->name, namebuf, sizeof(namebuf), 0); 1037 if (error) 1038 return (error); 1039 fd.name = namebuf; 1040 } else 1041 fd.name = 0; 1042 fd.data = 0; 1043 error = (*sc->sc_accessops->load_font)(sc->sc_accesscookie, 1044 scr->scr_dconf->emulcookie, &fd); 1045 if (!error && WSSCREEN_HAS_EMULATOR(scr)) 1046 (*scr->scr_dconf->wsemul->reset) 1047 (scr->scr_dconf->wsemulcookie, WSEMUL_SYNCFONT); 1048 return (error); 1049 #undef d 1050 } 1051 1052 /* check ioctls for display */ 1053 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie, cmd, data, 1054 flag, p)); 1055 } 1056 1057 int 1058 wsdisplay_cfg_ioctl(sc, cmd, data, flag, p) 1059 struct wsdisplay_softc *sc; 1060 u_long cmd; 1061 caddr_t data; 1062 int flag; 1063 struct proc *p; 1064 { 1065 int error; 1066 char *type, typebuf[16], *emul, emulbuf[16]; 1067 void *buf; 1068 u_int fontsz; 1069 #if defined(COMPAT_14) && NWSKBD > 0 1070 struct wsmux_device wsmuxdata; 1071 #endif 1072 1073 switch (cmd) { 1074 case WSDISPLAYIO_ADDSCREEN: 1075 #define d ((struct wsdisplay_addscreendata *)data) 1076 if (d->screentype) { 1077 error = copyinstr(d->screentype, typebuf, 1078 sizeof(typebuf), 0); 1079 if (error) 1080 return (error); 1081 type = typebuf; 1082 } else 1083 type = 0; 1084 if (d->emul) { 1085 error = copyinstr(d->emul, emulbuf, sizeof(emulbuf),0); 1086 if (error) 1087 return (error); 1088 emul = emulbuf; 1089 } else 1090 emul = 0; 1091 1092 if ((error = wsdisplay_addscreen(sc, d->idx, type, emul)) == 0) 1093 wsdisplay_addscreen_print(sc, d->idx, 0); 1094 return (error); 1095 #undef d 1096 case WSDISPLAYIO_DELSCREEN: 1097 #define d ((struct wsdisplay_delscreendata *)data) 1098 return (wsdisplay_delscreen(sc, d->idx, d->flags)); 1099 #undef d 1100 case WSDISPLAYIO_LDFONT: 1101 #define d ((struct wsdisplay_font *)data) 1102 if (!sc->sc_accessops->load_font) 1103 return (EINVAL); 1104 if (d->name) { 1105 error = copyinstr(d->name, typebuf, sizeof(typebuf), 0); 1106 if (error) 1107 return (error); 1108 d->name = typebuf; 1109 } else 1110 d->name = "loaded"; /* ??? */ 1111 fontsz = d->fontheight * d->stride * d->numchars; 1112 if (fontsz > WSDISPLAY_MAXFONTSZ) 1113 return (EINVAL); 1114 1115 buf = malloc(fontsz, M_DEVBUF, M_WAITOK); 1116 error = copyin(d->data, buf, fontsz); 1117 if (error) { 1118 free(buf, M_DEVBUF); 1119 return (error); 1120 } 1121 d->data = buf; 1122 error = 1123 (*sc->sc_accessops->load_font)(sc->sc_accesscookie, 0, d); 1124 free(buf, M_DEVBUF); 1125 #undef d 1126 return (error); 1127 1128 #if NWSKBD > 0 1129 #ifdef COMPAT_14 1130 case _O_WSDISPLAYIO_SETKEYBOARD: 1131 #define d ((struct wsdisplay_kbddata *)data) 1132 switch (d->op) { 1133 case _O_WSDISPLAY_KBD_ADD: 1134 if (d->idx == -1) { 1135 d->idx = wskbd_pickfree(); 1136 if (d->idx == -1) 1137 return (ENXIO); 1138 } 1139 wsmuxdata.type = WSMUX_KBD; 1140 wsmuxdata.idx = d->idx; 1141 return (wsmuxdoioctl(&sc->sc_muxdv->sc_dv, 1142 WSMUX_ADD_DEVICE, 1143 (caddr_t)&wsmuxdata, flag, p)); 1144 case _O_WSDISPLAY_KBD_DEL: 1145 wsmuxdata.type = WSMUX_KBD; 1146 wsmuxdata.idx = d->idx; 1147 return (wsmuxdoioctl(&sc->sc_muxdv->sc_dv, 1148 WSMUX_REMOVE_DEVICE, 1149 (caddr_t)&wsmuxdata, flag, p)); 1150 default: 1151 return (EINVAL); 1152 } 1153 #undef d 1154 #endif 1155 1156 case WSMUX_ADD_DEVICE: 1157 #define d ((struct wsmux_device *)data) 1158 if (d->idx == -1 && d->type == WSMUX_KBD) 1159 d->idx = wskbd_pickfree(); 1160 #undef d 1161 /* fall into */ 1162 case WSMUX_INJECTEVENT: 1163 case WSMUX_REMOVE_DEVICE: 1164 case WSMUX_LIST_DEVICES: 1165 return (wsmuxdoioctl(&sc->sc_muxdv->sc_dv, cmd, data, flag,p)); 1166 #endif /* NWSKBD > 0 */ 1167 1168 } 1169 return (EINVAL); 1170 } 1171 1172 paddr_t 1173 wsdisplaymmap(devvp, offset, prot) 1174 struct vnode *devvp; 1175 off_t offset; 1176 int prot; 1177 { 1178 struct wsdisplay_softc *sc; 1179 struct wsscreen *scr; 1180 dev_t rdev; 1181 1182 rdev = vdev_rdev(devvp); 1183 sc = vdev_privdata(devvp); 1184 1185 if (ISWSDISPLAYCTL(rdev)) 1186 return (-1); 1187 1188 scr = sc->sc_scr[WSDISPLAYSCREEN(rdev)]; 1189 1190 if (!(scr->scr_flags & SCR_GRAPHICS)) 1191 return (-1); 1192 1193 /* pass mmap to display */ 1194 return ((*sc->sc_accessops->mmap)(sc->sc_accesscookie, offset, prot)); 1195 } 1196 1197 void 1198 wsdisplaystart(tp) 1199 struct tty *tp; 1200 { 1201 struct wsdisplay_softc *sc; 1202 struct wsscreen *scr; 1203 int s, n; 1204 u_char *buf; 1205 1206 s = spltty(); 1207 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) { 1208 splx(s); 1209 return; 1210 } 1211 sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(tp->t_dev)); 1212 scr = sc->sc_scr[WSDISPLAYSCREEN(tp->t_dev)]; 1213 if (scr->scr_hold_screen) { 1214 tp->t_state |= TS_TIMEOUT; 1215 splx(s); 1216 return; 1217 } 1218 tp->t_state |= TS_BUSY; 1219 splx(s); 1220 1221 /* 1222 * Drain output from ring buffer. 1223 * The output will normally be in one contiguous chunk, but when the 1224 * ring wraps, it will be in two pieces.. one at the end of the ring, 1225 * the other at the start. For performance, rather than loop here, 1226 * we output one chunk, see if there's another one, and if so, output 1227 * it too. 1228 */ 1229 1230 n = ndqb(&tp->t_outq, 0); 1231 buf = tp->t_outq.c_cf; 1232 1233 if (!(scr->scr_flags & SCR_GRAPHICS)) { 1234 KASSERT(WSSCREEN_HAS_EMULATOR(scr)); 1235 (*scr->scr_dconf->wsemul->output)(scr->scr_dconf->wsemulcookie, 1236 buf, n, 0); 1237 } 1238 ndflush(&tp->t_outq, n); 1239 1240 if ((n = ndqb(&tp->t_outq, 0)) > 0) { 1241 buf = tp->t_outq.c_cf; 1242 1243 if (!(scr->scr_flags & SCR_GRAPHICS)) { 1244 KASSERT(WSSCREEN_HAS_EMULATOR(scr)); 1245 (*scr->scr_dconf->wsemul->output)(scr->scr_dconf->wsemulcookie, 1246 buf, n, 0); 1247 } 1248 ndflush(&tp->t_outq, n); 1249 } 1250 1251 s = spltty(); 1252 tp->t_state &= ~TS_BUSY; 1253 /* Come back if there's more to do */ 1254 if (tp->t_outq.c_cc) { 1255 tp->t_state |= TS_TIMEOUT; 1256 callout_reset(&tp->t_rstrt_ch, (hz > 128) ? (hz / 128) : 1, 1257 ttrstrt, tp); 1258 } 1259 if (tp->t_outq.c_cc <= tp->t_lowat) { 1260 if (tp->t_state&TS_ASLEEP) { 1261 tp->t_state &= ~TS_ASLEEP; 1262 wakeup((caddr_t)&tp->t_outq); 1263 } 1264 selwakeup(&tp->t_wsel); 1265 } 1266 splx(s); 1267 } 1268 1269 void 1270 wsdisplaystop(tp, flag) 1271 struct tty *tp; 1272 int flag; 1273 { 1274 int s; 1275 1276 s = spltty(); 1277 if (ISSET(tp->t_state, TS_BUSY)) 1278 if (!ISSET(tp->t_state, TS_TTSTOP)) 1279 SET(tp->t_state, TS_FLUSH); 1280 splx(s); 1281 } 1282 1283 /* Set line parameters. */ 1284 int 1285 wsdisplayparam(tp, t) 1286 struct tty *tp; 1287 struct termios *t; 1288 { 1289 1290 tp->t_ispeed = t->c_ispeed; 1291 tp->t_ospeed = t->c_ospeed; 1292 tp->t_cflag = t->c_cflag; 1293 return 0; 1294 } 1295 1296 /* 1297 * Callbacks for the emulation code. 1298 */ 1299 void 1300 wsdisplay_emulbell(v) 1301 void *v; 1302 { 1303 struct wsscreen *scr = v; 1304 1305 if (scr == NULL) /* console, before real attach */ 1306 return; 1307 1308 if (scr->scr_flags & SCR_GRAPHICS) /* can this happen? */ 1309 return; 1310 1311 (void) wsdisplay_internal_ioctl(scr->sc, scr, WSKBDIO_BELL, NULL, 1312 FWRITE, NULL); 1313 } 1314 1315 void 1316 wsdisplay_emulinput(v, data, count) 1317 void *v; 1318 const u_char *data; 1319 u_int count; 1320 { 1321 struct wsscreen *scr = v; 1322 struct tty *tp; 1323 1324 if (v == NULL) /* console, before real attach */ 1325 return; 1326 1327 if (scr->scr_flags & SCR_GRAPHICS) /* XXX can't happen */ 1328 return; 1329 if (!WSSCREEN_HAS_TTY(scr)) 1330 return; 1331 1332 tp = scr->scr_tty; 1333 while (count-- > 0) 1334 (*tp->t_linesw->l_rint)(*data++, tp); 1335 }; 1336 1337 /* 1338 * Calls from the keyboard interface. 1339 */ 1340 void 1341 wsdisplay_kbdinput(dev, ks) 1342 struct device *dev; 1343 keysym_t ks; 1344 { 1345 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 1346 struct wsscreen *scr; 1347 char *dp; 1348 int count; 1349 struct tty *tp; 1350 1351 KASSERT(sc != NULL); 1352 1353 scr = sc->sc_focus; 1354 1355 if (!scr || !WSSCREEN_HAS_TTY(scr)) 1356 return; 1357 1358 tp = scr->scr_tty; 1359 1360 if (KS_GROUP(ks) == KS_GROUP_Ascii) 1361 (*tp->t_linesw->l_rint)(KS_VALUE(ks), tp); 1362 else if (WSSCREEN_HAS_EMULATOR(scr)) { 1363 count = (*scr->scr_dconf->wsemul->translate) 1364 (scr->scr_dconf->wsemulcookie, ks, &dp); 1365 while (count-- > 0) 1366 (*tp->t_linesw->l_rint)(*dp++, tp); 1367 } 1368 } 1369 1370 #ifdef WSDISPLAY_COMPAT_RAWKBD 1371 int 1372 wsdisplay_update_rawkbd(sc, scr) 1373 struct wsdisplay_softc *sc; 1374 struct wsscreen *scr; 1375 { 1376 int s, raw, data, error; 1377 s = spltty(); 1378 1379 raw = (scr ? scr->scr_rawkbd : 0); 1380 1381 if (scr != sc->sc_focus || 1382 sc->sc_rawkbd == raw) { 1383 splx(s); 1384 return (0); 1385 } 1386 1387 data = raw ? WSKBD_RAW : WSKBD_TRANSLATED; 1388 error = wsmux_displayioctl(&sc->sc_muxdv->sc_dv, WSKBDIO_SETMODE, 1389 (caddr_t)&data, 0, 0); 1390 if (!error) 1391 sc->sc_rawkbd = raw; 1392 splx(s); 1393 return (error); 1394 } 1395 #endif 1396 1397 int 1398 wsdisplay_switch3(arg, error, waitok) 1399 void *arg; 1400 int error, waitok; 1401 { 1402 struct wsdisplay_softc *sc = arg; 1403 int no; 1404 struct wsscreen *scr; 1405 1406 if (!(sc->sc_flags & SC_SWITCHPENDING)) { 1407 printf("wsdisplay_switch3: not switching\n"); 1408 return (EINVAL); 1409 } 1410 1411 no = sc->sc_screenwanted; 1412 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1413 panic("wsdisplay_switch3: invalid screen %d", no); 1414 scr = sc->sc_scr[no]; 1415 if (!scr) { 1416 printf("wsdisplay_switch3: screen %d disappeared\n", no); 1417 error = ENXIO; 1418 } 1419 1420 if (error) { 1421 /* try to recover, avoid recursion */ 1422 1423 if (sc->sc_oldscreen == WSDISPLAY_NULLSCREEN) { 1424 printf("wsdisplay_switch3: giving up\n"); 1425 sc->sc_focus = 0; 1426 #ifdef WSDISPLAY_COMPAT_RAWKBD 1427 wsdisplay_update_rawkbd(sc, 0); 1428 #endif 1429 sc->sc_flags &= ~SC_SWITCHPENDING; 1430 return (error); 1431 } 1432 1433 sc->sc_screenwanted = sc->sc_oldscreen; 1434 sc->sc_oldscreen = WSDISPLAY_NULLSCREEN; 1435 return (wsdisplay_switch1(arg, 0, waitok)); 1436 } 1437 1438 sc->sc_flags &= ~SC_SWITCHPENDING; 1439 1440 if (!error && (scr->scr_flags & SCR_WAITACTIVE)) 1441 wakeup(scr); 1442 return (error); 1443 } 1444 1445 int 1446 wsdisplay_switch2(arg, error, waitok) 1447 void *arg; 1448 int error, waitok; 1449 { 1450 struct wsdisplay_softc *sc = arg; 1451 int no; 1452 struct wsscreen *scr; 1453 1454 if (!(sc->sc_flags & SC_SWITCHPENDING)) { 1455 printf("wsdisplay_switch2: not switching\n"); 1456 return (EINVAL); 1457 } 1458 1459 no = sc->sc_screenwanted; 1460 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1461 panic("wsdisplay_switch2: invalid screen %d", no); 1462 scr = sc->sc_scr[no]; 1463 if (!scr) { 1464 printf("wsdisplay_switch2: screen %d disappeared\n", no); 1465 error = ENXIO; 1466 } 1467 1468 if (error) { 1469 /* try to recover, avoid recursion */ 1470 1471 if (sc->sc_oldscreen == WSDISPLAY_NULLSCREEN) { 1472 printf("wsdisplay_switch2: giving up\n"); 1473 sc->sc_focus = 0; 1474 sc->sc_flags &= ~SC_SWITCHPENDING; 1475 return (error); 1476 } 1477 1478 sc->sc_screenwanted = sc->sc_oldscreen; 1479 sc->sc_oldscreen = WSDISPLAY_NULLSCREEN; 1480 return (wsdisplay_switch1(arg, 0, waitok)); 1481 } 1482 1483 sc->sc_focusidx = no; 1484 sc->sc_focus = scr; 1485 1486 #ifdef WSDISPLAY_COMPAT_RAWKBD 1487 (void) wsdisplay_update_rawkbd(sc, scr); 1488 #endif 1489 /* keyboard map??? */ 1490 1491 #define wsswitch_cb3 ((void (*) __P((void *, int, int)))wsdisplay_switch3) 1492 if (scr->scr_syncops) { 1493 error = (*scr->scr_syncops->attach)(scr->scr_synccookie, waitok, 1494 sc->sc_isconsole && wsdisplay_cons_pollmode ? 0 : wsswitch_cb3, sc); 1495 if (error == EAGAIN) { 1496 /* switch will be done asynchronously */ 1497 return (0); 1498 } 1499 } 1500 1501 return (wsdisplay_switch3(sc, error, waitok)); 1502 } 1503 1504 int 1505 wsdisplay_switch1(arg, error, waitok) 1506 void *arg; 1507 int error, waitok; 1508 { 1509 struct wsdisplay_softc *sc = arg; 1510 int no; 1511 struct wsscreen *scr; 1512 1513 if (!(sc->sc_flags & SC_SWITCHPENDING)) { 1514 printf("wsdisplay_switch1: not switching\n"); 1515 return (EINVAL); 1516 } 1517 1518 no = sc->sc_screenwanted; 1519 if (no == WSDISPLAY_NULLSCREEN) { 1520 sc->sc_flags &= ~SC_SWITCHPENDING; 1521 if (!error) { 1522 sc->sc_focus = 0; 1523 } 1524 wakeup(sc); 1525 return (error); 1526 } 1527 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1528 panic("wsdisplay_switch1: invalid screen %d", no); 1529 scr = sc->sc_scr[no]; 1530 if (!scr) { 1531 printf("wsdisplay_switch1: screen %d disappeared\n", no); 1532 error = ENXIO; 1533 } 1534 1535 if (error) { 1536 sc->sc_flags &= ~SC_SWITCHPENDING; 1537 return (error); 1538 } 1539 1540 #define wsswitch_cb2 ((void (*) __P((void *, int, int)))wsdisplay_switch2) 1541 error = (*sc->sc_accessops->show_screen)(sc->sc_accesscookie, 1542 scr->scr_dconf->emulcookie, 1543 waitok, 1544 sc->sc_isconsole && wsdisplay_cons_pollmode ? 0 : wsswitch_cb2, sc); 1545 if (error == EAGAIN) { 1546 /* switch will be done asynchronously */ 1547 return (0); 1548 } 1549 1550 return (wsdisplay_switch2(sc, error, waitok)); 1551 } 1552 1553 int 1554 wsdisplay_switch(dev, no, waitok) 1555 struct device *dev; 1556 int no, waitok; 1557 { 1558 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 1559 int s, res = 0; 1560 struct wsscreen *scr; 1561 1562 if (no != WSDISPLAY_NULLSCREEN && 1563 (no < 0 || no >= WSDISPLAY_MAXSCREEN || !sc->sc_scr[no])) 1564 return (ENXIO); 1565 1566 s = spltty(); 1567 1568 if ((sc->sc_focus && no == sc->sc_focusidx) || 1569 (sc->sc_focus == NULL && no == WSDISPLAY_NULLSCREEN)) { 1570 splx(s); 1571 return (0); 1572 } 1573 1574 if (sc->sc_flags & SC_SWITCHPENDING) { 1575 splx(s); 1576 return (EBUSY); 1577 } 1578 1579 sc->sc_flags |= SC_SWITCHPENDING; 1580 sc->sc_screenwanted = no; 1581 1582 splx(s); 1583 1584 scr = sc->sc_focus; 1585 if (!scr) { 1586 sc->sc_oldscreen = WSDISPLAY_NULLSCREEN; 1587 return (wsdisplay_switch1(sc, 0, waitok)); 1588 } else 1589 sc->sc_oldscreen = sc->sc_focusidx; 1590 1591 #define wsswitch_cb1 ((void (*) __P((void *, int, int)))wsdisplay_switch1) 1592 if (scr->scr_syncops) { 1593 res = (*scr->scr_syncops->detach)(scr->scr_synccookie, waitok, 1594 sc->sc_isconsole && wsdisplay_cons_pollmode ? 0 : wsswitch_cb1, sc); 1595 if (res == EAGAIN) { 1596 /* switch will be done asynchronously */ 1597 return (0); 1598 } 1599 } else if (scr->scr_flags & SCR_GRAPHICS) { 1600 /* no way to save state */ 1601 res = EBUSY; 1602 } 1603 1604 return (wsdisplay_switch1(sc, res, waitok)); 1605 } 1606 1607 void 1608 wsdisplay_reset(dev, op) 1609 struct device *dev; 1610 enum wsdisplay_resetops op; 1611 { 1612 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 1613 struct wsscreen *scr; 1614 1615 KASSERT(sc != NULL); 1616 scr = sc->sc_focus; 1617 1618 if (!scr) 1619 return; 1620 1621 switch (op) { 1622 case WSDISPLAY_RESETEMUL: 1623 if (!WSSCREEN_HAS_EMULATOR(scr)) 1624 break; 1625 (*scr->scr_dconf->wsemul->reset)(scr->scr_dconf->wsemulcookie, 1626 WSEMUL_RESET); 1627 break; 1628 case WSDISPLAY_RESETCLOSE: 1629 wsdisplay_closescreen(sc, scr); 1630 break; 1631 } 1632 } 1633 1634 /* 1635 * Interface for (external) VT switch / process synchronization code 1636 */ 1637 int 1638 wsscreen_attach_sync(scr, ops, cookie) 1639 struct wsscreen *scr; 1640 const struct wscons_syncops *ops; 1641 void *cookie; 1642 { 1643 if (scr->scr_syncops) { 1644 /* 1645 * The screen is already claimed. 1646 * Check if the owner is still alive. 1647 */ 1648 if ((*scr->scr_syncops->check)(scr->scr_synccookie)) 1649 return (EBUSY); 1650 } 1651 scr->scr_syncops = ops; 1652 scr->scr_synccookie = cookie; 1653 return (0); 1654 } 1655 1656 int 1657 wsscreen_detach_sync(scr) 1658 struct wsscreen *scr; 1659 { 1660 if (!scr->scr_syncops) 1661 return (EINVAL); 1662 scr->scr_syncops = 0; 1663 return (0); 1664 } 1665 1666 int 1667 wsscreen_lookup_sync(scr, ops, cookiep) 1668 struct wsscreen *scr; 1669 const struct wscons_syncops *ops; /* used as ID */ 1670 void **cookiep; 1671 { 1672 if (!scr->scr_syncops || ops != scr->scr_syncops) 1673 return (EINVAL); 1674 *cookiep = scr->scr_synccookie; 1675 return (0); 1676 } 1677 1678 /* 1679 * Interface to virtual screen stuff 1680 */ 1681 int 1682 wsdisplay_maxscreenidx(sc) 1683 struct wsdisplay_softc *sc; 1684 { 1685 return (WSDISPLAY_MAXSCREEN - 1); 1686 } 1687 1688 int 1689 wsdisplay_screenstate(sc, idx) 1690 struct wsdisplay_softc *sc; 1691 int idx; 1692 { 1693 if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN) 1694 return (EINVAL); 1695 if (!sc->sc_scr[idx]) 1696 return (ENXIO); 1697 return ((sc->sc_scr[idx]->scr_flags & SCR_OPEN) ? EBUSY : 0); 1698 } 1699 1700 int 1701 wsdisplay_getactivescreen(sc) 1702 struct wsdisplay_softc *sc; 1703 { 1704 return (sc->sc_focus ? sc->sc_focusidx : WSDISPLAY_NULLSCREEN); 1705 } 1706 1707 int 1708 wsscreen_switchwait(sc, no) 1709 struct wsdisplay_softc *sc; 1710 int no; 1711 { 1712 struct wsscreen *scr; 1713 int s, res = 0; 1714 1715 if (no == WSDISPLAY_NULLSCREEN) { 1716 s = spltty(); 1717 while (sc->sc_focus && res == 0) { 1718 res = tsleep(sc, PCATCH, "wswait", 0); 1719 } 1720 splx(s); 1721 return (res); 1722 } 1723 1724 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1725 return (ENXIO); 1726 scr = sc->sc_scr[no]; 1727 if (!scr) 1728 return (ENXIO); 1729 1730 s = spltty(); 1731 if (scr != sc->sc_focus) { 1732 scr->scr_flags |= SCR_WAITACTIVE; 1733 res = tsleep(scr, PCATCH, "wswait", 0); 1734 if (scr != sc->sc_scr[no]) 1735 res = ENXIO; /* disappeared in the meantime */ 1736 else 1737 scr->scr_flags &= ~SCR_WAITACTIVE; 1738 } 1739 splx(s); 1740 return (res); 1741 } 1742 1743 void 1744 wsdisplay_kbdholdscreen(dev, hold) 1745 struct device *dev; 1746 int hold; 1747 { 1748 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 1749 struct wsscreen *scr; 1750 1751 scr = sc->sc_focus; 1752 1753 if (hold) 1754 scr->scr_hold_screen = 1; 1755 else { 1756 scr->scr_hold_screen = 0; 1757 callout_reset(&scr->scr_tty->t_rstrt_ch, 0, 1758 ttrstrt, scr->scr_tty); /* "immediate" */ 1759 } 1760 } 1761 1762 #if NWSKBD > 0 1763 struct device * 1764 wsdisplay_set_console_kbd(kbddv) 1765 struct device *kbddv; 1766 { 1767 if (!wsdisplay_console_device) 1768 return (0); 1769 if (wskbd_add_mux(kbddv->dv_unit, wsdisplay_console_device->sc_muxdv)) 1770 return (0); 1771 return (&wsdisplay_console_device->sc_dv); 1772 } 1773 #endif /* NWSKBD > 0 */ 1774 1775 /* 1776 * Console interface. 1777 */ 1778 void 1779 wsdisplay_cnputc(dev, i) 1780 dev_t dev; 1781 int i; 1782 { 1783 struct wsscreen_internal *dc; 1784 char c = i; 1785 1786 if (!wsdisplay_console_initted) 1787 return; 1788 1789 if (wsdisplay_console_device != NULL && 1790 (wsdisplay_console_device->sc_scr[0]->scr_flags & SCR_GRAPHICS)) 1791 return; 1792 1793 dc = &wsdisplay_console_conf; 1794 (*dc->wsemul->output)(dc->wsemulcookie, &c, 1, 1); 1795 } 1796 1797 static int 1798 wsdisplay_getc_dummy(dev) 1799 dev_t dev; 1800 { 1801 /* panic? */ 1802 return (0); 1803 } 1804 1805 static void 1806 wsdisplay_pollc(dev, on) 1807 dev_t dev; 1808 int on; 1809 { 1810 1811 wsdisplay_cons_pollmode = on; 1812 1813 /* notify to fb drivers */ 1814 if (wsdisplay_console_device != NULL && 1815 wsdisplay_console_device->sc_accessops->pollc != NULL) 1816 (*wsdisplay_console_device->sc_accessops->pollc) 1817 (wsdisplay_console_device->sc_accesscookie, on); 1818 1819 /* notify to kbd drivers */ 1820 if (wsdisplay_cons_kbd_pollc) 1821 (*wsdisplay_cons_kbd_pollc)(NODEV, on); 1822 } 1823 1824 void 1825 wsdisplay_set_cons_kbd(get, poll, bell) 1826 int (*get) __P((dev_t)); 1827 void (*poll) __P((dev_t, int)); 1828 void (*bell) __P((dev_t, u_int, u_int, u_int)); 1829 { 1830 wsdisplay_cons.cn_getc = get; 1831 wsdisplay_cons.cn_bell = bell; 1832 wsdisplay_cons_kbd_pollc = poll; 1833 } 1834 1835 void 1836 wsdisplay_unset_cons_kbd() 1837 { 1838 wsdisplay_cons.cn_getc = wsdisplay_getc_dummy; 1839 wsdisplay_cons.cn_bell = NULL; 1840 wsdisplay_cons_kbd_pollc = 0; 1841 } 1842 1843 /* 1844 * Switch the console display to it's first screen. 1845 */ 1846 void 1847 wsdisplay_switchtoconsole() 1848 { 1849 struct wsdisplay_softc *sc; 1850 struct wsscreen *scr; 1851 1852 if (wsdisplay_console_device != NULL) { 1853 sc = wsdisplay_console_device; 1854 scr = sc->sc_scr[0]; 1855 (*sc->sc_accessops->show_screen)(sc->sc_accesscookie, 1856 scr->scr_dconf->emulcookie, 1857 0, NULL, NULL); 1858 } 1859 } 1860 1861 /* 1862 * Switch the console at shutdown. 1863 */ 1864 static void 1865 wsdisplay_shutdownhook(arg) 1866 void *arg; 1867 { 1868 1869 wsdisplay_switchtoconsole(); 1870 } 1871
Indexes created Thu Oct 16 14:10:15 GMT 2025