| 1 | /* $NetBSD: wsdisplay.c,v 1.140 2016/07/07 06:55:42 msaitoh 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 1.140 2016/07/07 06:55:42 msaitoh Exp $" ); |
| 35 | |
| 36 | #ifdef _KERNEL_OPT |
| 37 | #include "opt_wsdisplay_compat.h" |
| 38 | #include "opt_wsmsgattrs.h" |
| 39 | #endif |
| 40 | |
| 41 | #include "wskbd.h" |
| 42 | #include "wsmux.h" |
| 43 | #include "wsdisplay.h" |
| 44 | |
| 45 | #include <sys/param.h> |
| 46 | #include <sys/conf.h> |
| 47 | #include <sys/device.h> |
| 48 | #include <sys/ioctl.h> |
| 49 | #include <sys/poll.h> |
| 50 | #include <sys/kernel.h> |
| 51 | #include <sys/proc.h> |
| 52 | #include <sys/malloc.h> |
| 53 | #include <sys/syslog.h> |
| 54 | #include <sys/systm.h> |
| 55 | #include <sys/tty.h> |
| 56 | #include <sys/signalvar.h> |
| 57 | #include <sys/errno.h> |
| 58 | #include <sys/fcntl.h> |
| 59 | #include <sys/vnode.h> |
| 60 | #include <sys/kauth.h> |
| 61 | |
| 62 | #include <dev/wscons/wsconsio.h> |
| 63 | #include <dev/wscons/wseventvar.h> |
| 64 | #include <dev/wscons/wsmuxvar.h> |
| 65 | #include <dev/wscons/wsdisplayvar.h> |
| 66 | #include <dev/wscons/wsksymvar.h> |
| 67 | #include <dev/wscons/wsksymdef.h> |
| 68 | #include <dev/wscons/wsemulvar.h> |
| 69 | #include <dev/wscons/wscons_callbacks.h> |
| 70 | #include <dev/cons.h> |
| 71 | |
| 72 | #include "locators.h" |
| 73 | |
| 74 | struct wsscreen_internal { |
| 75 | const struct wsdisplay_emulops *emulops; |
| 76 | void *emulcookie; |
| 77 | |
| 78 | const struct wsscreen_descr *scrdata; |
| 79 | |
| 80 | const struct wsemul_ops *wsemul; |
| 81 | void *wsemulcookie; |
| 82 | }; |
| 83 | |
| 84 | struct wsscreen { |
| 85 | struct wsscreen_internal *scr_dconf; |
| 86 | |
| 87 | struct tty *scr_tty; |
| 88 | int scr_hold_screen; /* hold tty output */ |
| 89 | |
| 90 | int scr_flags; |
| 91 | #define SCR_OPEN 1 /* is it open? */ |
| 92 | #define SCR_WAITACTIVE 2 /* someone waiting on activation */ |
| 93 | #define SCR_GRAPHICS 4 /* graphics mode, no text (emulation) output */ |
| 94 | #define SCR_DUMBFB 8 /* in use as a dumb fb (iff SCR_GRAPHICS) */ |
| 95 | const struct wscons_syncops *scr_syncops; |
| 96 | void *scr_synccookie; |
| 97 | |
| 98 | #ifdef WSDISPLAY_COMPAT_RAWKBD |
| 99 | int scr_rawkbd; |
| 100 | #endif |
| 101 | |
| 102 | struct wsdisplay_softc *sc; |
| 103 | |
| 104 | #ifdef DIAGNOSTIC |
| 105 | /* XXX this is to support a hack in emulinput, see comment below */ |
| 106 | int scr_in_ttyoutput; |
| 107 | #endif |
| 108 | }; |
| 109 | |
| 110 | struct wsscreen *wsscreen_attach(struct wsdisplay_softc *, int, |
| 111 | const char *, |
| 112 | const struct wsscreen_descr *, void *, |
| 113 | int, int, long); |
| 114 | void wsscreen_detach(struct wsscreen *); |
| 115 | int wsdisplay_addscreen(struct wsdisplay_softc *, int, const char *, const char *); |
| 116 | static void wsdisplay_addscreen_print(struct wsdisplay_softc *, int, int); |
| 117 | static void wsdisplay_closescreen(struct wsdisplay_softc *, struct wsscreen *); |
| 118 | int wsdisplay_delscreen(struct wsdisplay_softc *, int, int); |
| 119 | |
| 120 | #define WSDISPLAY_MAXSCREEN 8 |
| 121 | |
| 122 | struct wsdisplay_softc { |
| 123 | device_t sc_dev; |
| 124 | |
| 125 | const struct wsdisplay_accessops *sc_accessops; |
| 126 | void *sc_accesscookie; |
| 127 | |
| 128 | const struct wsscreen_list *sc_scrdata; |
| 129 | #ifdef WSDISPLAY_SCROLLSUPPORT |
| 130 | struct wsdisplay_scroll_data sc_scroll_values; |
| 131 | #endif |
| 132 | |
| 133 | struct wsscreen *sc_scr[WSDISPLAY_MAXSCREEN]; |
| 134 | int sc_focusidx; /* available only if sc_focus isn't null */ |
| 135 | struct wsscreen *sc_focus; |
| 136 | |
| 137 | struct wseventvar evar; |
| 138 | |
| 139 | int sc_isconsole; |
| 140 | |
| 141 | int sc_flags; |
| 142 | #define SC_SWITCHPENDING 1 |
| 143 | #define SC_SWITCHERROR 2 |
| 144 | #define SC_XATTACHED 4 /* X server active */ |
| 145 | kmutex_t sc_flagsmtx; /* for flags, might also be used for focus */ |
| 146 | kcondvar_t sc_flagscv; |
| 147 | |
| 148 | int sc_screenwanted, sc_oldscreen; /* valid with SC_SWITCHPENDING */ |
| 149 | |
| 150 | #if NWSKBD > 0 |
| 151 | struct wsevsrc *sc_input; |
| 152 | #ifdef WSDISPLAY_COMPAT_RAWKBD |
| 153 | int sc_rawkbd; |
| 154 | #endif |
| 155 | #endif /* NWSKBD > 0 */ |
| 156 | }; |
| 157 | |
| 158 | #ifdef WSDISPLAY_SCROLLSUPPORT |
| 159 | |
| 160 | struct wsdisplay_scroll_data wsdisplay_default_scroll_values = { |
| 161 | WSDISPLAY_SCROLL_DOALL, |
| 162 | 25, |
| 163 | 2, |
| 164 | }; |
| 165 | #endif |
| 166 | |
| 167 | extern struct cfdriver wsdisplay_cd; |
| 168 | |
| 169 | /* Autoconfiguration definitions. */ |
| 170 | static int wsdisplay_emul_match(device_t , cfdata_t, void *); |
| 171 | static void wsdisplay_emul_attach(device_t, device_t, void *); |
| 172 | static int wsdisplay_emul_detach(device_t, int); |
| 173 | static int wsdisplay_noemul_match(device_t, cfdata_t, void *); |
| 174 | static void wsdisplay_noemul_attach(device_t, device_t, void *); |
| 175 | static bool wsdisplay_suspend(device_t, const pmf_qual_t *); |
| 176 | |
| 177 | CFATTACH_DECL_NEW(wsdisplay_emul, sizeof (struct wsdisplay_softc), |
| 178 | wsdisplay_emul_match, wsdisplay_emul_attach, wsdisplay_emul_detach, NULL); |
| 179 | |
| 180 | CFATTACH_DECL_NEW(wsdisplay_noemul, sizeof (struct wsdisplay_softc), |
| 181 | wsdisplay_noemul_match, wsdisplay_noemul_attach, NULL, NULL); |
| 182 | |
| 183 | dev_type_open(wsdisplayopen); |
| 184 | dev_type_close(wsdisplayclose); |
| 185 | dev_type_read(wsdisplayread); |
| 186 | dev_type_write(wsdisplaywrite); |
| 187 | dev_type_ioctl(wsdisplayioctl); |
| 188 | dev_type_stop(wsdisplaystop); |
| 189 | dev_type_tty(wsdisplaytty); |
| 190 | dev_type_poll(wsdisplaypoll); |
| 191 | dev_type_mmap(wsdisplaymmap); |
| 192 | dev_type_kqfilter(wsdisplaykqfilter); |
| 193 | |
| 194 | const struct cdevsw wsdisplay_cdevsw = { |
| 195 | .d_open = wsdisplayopen, |
| 196 | .d_close = wsdisplayclose, |
| 197 | .d_read = wsdisplayread, |
| 198 | .d_write = wsdisplaywrite, |
| 199 | .d_ioctl = wsdisplayioctl, |
| 200 | .d_stop = wsdisplaystop, |
| 201 | .d_tty = wsdisplaytty, |
| 202 | .d_poll = wsdisplaypoll, |
| 203 | .d_mmap = wsdisplaymmap, |
| 204 | .d_kqfilter = wsdisplaykqfilter, |
| 205 | .d_discard = nodiscard, |
| 206 | .d_flag = D_TTY |
| 207 | }; |
| 208 | |
| 209 | static void wsdisplaystart(struct tty *); |
| 210 | static int wsdisplayparam(struct tty *, struct termios *); |
| 211 | |
| 212 | |
| 213 | #define WSDISPLAYUNIT(dev) (minor(dev) >> 8) |
| 214 | #define WSDISPLAYSCREEN(dev) (minor(dev) & 0xff) |
| 215 | #define ISWSDISPLAYSTAT(dev) (WSDISPLAYSCREEN(dev) == 254) |
| 216 | #define ISWSDISPLAYCTL(dev) (WSDISPLAYSCREEN(dev) == 255) |
| 217 | #define WSDISPLAYMINOR(unit, screen) (((unit) << 8) | (screen)) |
| 218 | |
| 219 | #define WSSCREEN_HAS_EMULATOR(scr) ((scr)->scr_dconf->wsemul != NULL) |
| 220 | #define WSSCREEN_HAS_TTY(scr) ((scr)->scr_tty != NULL) |
| 221 | |
| 222 | static void wsdisplay_common_attach(struct wsdisplay_softc *sc, |
| 223 | int console, int kbdmux, const struct wsscreen_list *, |
| 224 | const struct wsdisplay_accessops *accessops, |
| 225 | void *accesscookie); |
| 226 | |
| 227 | #ifdef WSDISPLAY_COMPAT_RAWKBD |
| 228 | int wsdisplay_update_rawkbd(struct wsdisplay_softc *, |
| 229 | struct wsscreen *); |
| 230 | #endif |
| 231 | |
| 232 | static int wsdisplay_console_initted; |
| 233 | static int wsdisplay_console_attached; |
| 234 | static struct wsdisplay_softc *wsdisplay_console_device; |
| 235 | static struct wsscreen_internal wsdisplay_console_conf; |
| 236 | |
| 237 | static int wsdisplay_getc_dummy(dev_t); |
| 238 | static void wsdisplay_pollc(dev_t, int); |
| 239 | |
| 240 | static int wsdisplay_cons_pollmode; |
| 241 | static void (*wsdisplay_cons_kbd_pollc)(dev_t, int); |
| 242 | |
| 243 | static struct consdev wsdisplay_cons = { |
| 244 | NULL, NULL, wsdisplay_getc_dummy, wsdisplay_cnputc, |
| 245 | wsdisplay_pollc, NULL, NULL, NULL, NODEV, CN_NORMAL |
| 246 | }; |
| 247 | |
| 248 | #ifndef WSDISPLAY_DEFAULTSCREENS |
| 249 | # define WSDISPLAY_DEFAULTSCREENS 0 |
| 250 | #endif |
| 251 | int wsdisplay_defaultscreens = WSDISPLAY_DEFAULTSCREENS; |
| 252 | |
| 253 | static int wsdisplay_switch1(device_t, int, int); |
| 254 | static void wsdisplay_switch1_cb(void *, int, int); |
| 255 | static int wsdisplay_switch2(device_t, int, int); |
| 256 | static void wsdisplay_switch2_cb(void *, int, int); |
| 257 | static int wsdisplay_switch3(device_t, int, int); |
| 258 | static void wsdisplay_switch3_cb(void *, int, int); |
| 259 | |
| 260 | int wsdisplay_clearonclose; |
| 261 | |
| 262 | struct wsscreen * |
| 263 | wsscreen_attach(struct wsdisplay_softc *sc, int console, const char *emul, |
| 264 | const struct wsscreen_descr *type, void *cookie, int ccol, |
| 265 | int crow, long defattr) |
| 266 | { |
| 267 | struct wsscreen_internal *dconf; |
| 268 | struct wsscreen *scr; |
| 269 | |
| 270 | scr = malloc(sizeof(struct wsscreen), M_DEVBUF, M_WAITOK); |
| 271 | if (!scr) |
| 272 | return (NULL); |
| 273 | |
| 274 | if (console) { |
| 275 | dconf = &wsdisplay_console_conf; |
| 276 | /* |
| 277 | * If there's an emulation, tell it about the callback argument. |
| 278 | * The other stuff is already there. |
| 279 | */ |
| 280 | if (dconf->wsemul != NULL) |
| 281 | (*dconf->wsemul->attach)(1, 0, 0, 0, 0, scr, 0); |
| 282 | } else { /* not console */ |
| 283 | dconf = malloc(sizeof(struct wsscreen_internal), |
| 284 | M_DEVBUF, M_NOWAIT); |
| 285 | dconf->emulops = type->textops; |
| 286 | dconf->emulcookie = cookie; |
| 287 | if (dconf->emulops) { |
| 288 | dconf->wsemul = wsemul_pick(emul); |
| 289 | if (dconf->wsemul == NULL) { |
| 290 | free(dconf, M_DEVBUF); |
| 291 | free(scr, M_DEVBUF); |
| 292 | return (NULL); |
| 293 | } |
| 294 | dconf->wsemulcookie = |
| 295 | (*dconf->wsemul->attach)(0, type, cookie, |
| 296 | ccol, crow, scr, defattr); |
| 297 | } else |
| 298 | dconf->wsemul = NULL; |
| 299 | dconf->scrdata = type; |
| 300 | } |
| 301 | |
| 302 | scr->scr_dconf = dconf; |
| 303 | |
| 304 | scr->scr_tty = tty_alloc(); |
| 305 | tty_attach(scr->scr_tty); |
| 306 | scr->scr_hold_screen = 0; |
| 307 | if (WSSCREEN_HAS_EMULATOR(scr)) |
| 308 | scr->scr_flags = 0; |
| 309 | else |
| 310 | scr->scr_flags = SCR_GRAPHICS; |
| 311 | |
| 312 | scr->scr_syncops = 0; |
| 313 | scr->sc = sc; |
| 314 | #ifdef WSDISPLAY_COMPAT_RAWKBD |
| 315 | scr->scr_rawkbd = 0; |
| 316 | #endif |
| 317 | return (scr); |
| 318 | } |
| 319 | |
| 320 | void |
| 321 | wsscreen_detach(struct wsscreen *scr) |
| 322 | { |
| 323 | u_int ccol, crow; /* XXX */ |
| 324 | |
| 325 | if (WSSCREEN_HAS_TTY(scr)) { |
| 326 | tty_detach(scr->scr_tty); |
| 327 | tty_free(scr->scr_tty); |
| 328 | } |
| 329 | if (WSSCREEN_HAS_EMULATOR(scr)) { |
| 330 | (*scr->scr_dconf->wsemul->detach)(scr->scr_dconf->wsemulcookie, |
| 331 | &ccol, &crow); |
| 332 | wsemul_drop(scr->scr_dconf->wsemul); |
| 333 | } |
| 334 | free(scr->scr_dconf, M_DEVBUF); |
| 335 | free(scr, M_DEVBUF); |
| 336 | } |
| 337 | |
| 338 | const struct wsscreen_descr * |
| 339 | wsdisplay_screentype_pick(const struct wsscreen_list *scrdata, const char *name) |
| 340 | { |
| 341 | int i; |
| 342 | const struct wsscreen_descr *scr; |
| 343 | |
| 344 | KASSERT(scrdata->nscreens > 0); |
| 345 | |
| 346 | if (name == NULL) |
| 347 | return (scrdata->screens[0]); |
| 348 | |
| 349 | for (i = 0; i < scrdata->nscreens; i++) { |
| 350 | scr = scrdata->screens[i]; |
| 351 | if (!strcmp(name, scr->name)) |
| 352 | return (scr); |
| 353 | } |
| 354 | |
| 355 | return (0); |
| 356 | } |
| 357 | |
| 358 | /* |
| 359 | * print info about attached screen |
| 360 | */ |
| 361 | static void |
| 362 | wsdisplay_addscreen_print(struct wsdisplay_softc *sc, int idx, int count) |
| 363 | { |
| 364 | aprint_verbose_dev(sc->sc_dev, "screen %d" , idx); |
| 365 | if (count > 1) |
| 366 | aprint_verbose("-%d" , idx + (count-1)); |
| 367 | aprint_verbose(" added (%s" , sc->sc_scr[idx]->scr_dconf->scrdata->name); |
| 368 | if (WSSCREEN_HAS_EMULATOR(sc->sc_scr[idx])) { |
| 369 | aprint_verbose(", %s emulation" , |
| 370 | sc->sc_scr[idx]->scr_dconf->wsemul->name); |
| 371 | } |
| 372 | aprint_verbose(")\n" ); |
| 373 | } |
| 374 | |
| 375 | int |
| 376 | wsdisplay_addscreen(struct wsdisplay_softc *sc, int idx, |
| 377 | const char *screentype, const char *emul) |
| 378 | { |
| 379 | const struct wsscreen_descr *scrdesc; |
| 380 | int error; |
| 381 | void *cookie; |
| 382 | int ccol, crow; |
| 383 | long defattr; |
| 384 | struct wsscreen *scr; |
| 385 | int s; |
| 386 | |
| 387 | if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN) |
| 388 | return (EINVAL); |
| 389 | if (sc->sc_scr[idx] != NULL) |
| 390 | return (EBUSY); |
| 391 | |
| 392 | scrdesc = wsdisplay_screentype_pick(sc->sc_scrdata, screentype); |
| 393 | if (!scrdesc) |
| 394 | return (ENXIO); |
| 395 | error = (*sc->sc_accessops->alloc_screen)(sc->sc_accesscookie, |
| 396 | scrdesc, &cookie, &ccol, &crow, &defattr); |
| 397 | if (error) |
| 398 | return (error); |
| 399 | |
| 400 | scr = wsscreen_attach(sc, 0, emul, scrdesc, |
| 401 | cookie, ccol, crow, defattr); |
| 402 | if (scr == NULL) { |
| 403 | (*sc->sc_accessops->free_screen)(sc->sc_accesscookie, |
| 404 | cookie); |
| 405 | return (ENXIO); |
| 406 | } |
| 407 | |
| 408 | sc->sc_scr[idx] = scr; |
| 409 | |
| 410 | /* if no screen has focus yet, activate the first we get */ |
| 411 | s = spltty(); |
| 412 | if (!sc->sc_focus) { |
| 413 | (*sc->sc_accessops->show_screen)(sc->sc_accesscookie, |
| 414 | scr->scr_dconf->emulcookie, |
| 415 | 0, 0, 0); |
| 416 | sc->sc_focusidx = idx; |
| 417 | sc->sc_focus = scr; |
| 418 | } |
| 419 | splx(s); |
| 420 | return (0); |
| 421 | } |
| 422 | |
| 423 | static void |
| 424 | wsdisplay_closescreen(struct wsdisplay_softc *sc, struct wsscreen *scr) |
| 425 | { |
| 426 | int maj, mn, idx; |
| 427 | |
| 428 | /* hangup */ |
| 429 | if (WSSCREEN_HAS_TTY(scr)) { |
| 430 | struct tty *tp = scr->scr_tty; |
| 431 | (*tp->t_linesw->l_modem)(tp, 0); |
| 432 | } |
| 433 | |
| 434 | /* locate the major number */ |
| 435 | maj = cdevsw_lookup_major(&wsdisplay_cdevsw); |
| 436 | /* locate the screen index */ |
| 437 | for (idx = 0; idx < WSDISPLAY_MAXSCREEN; idx++) |
| 438 | if (scr == sc->sc_scr[idx]) |
| 439 | break; |
| 440 | #ifdef DIAGNOSTIC |
| 441 | if (idx == WSDISPLAY_MAXSCREEN) |
| 442 | panic("wsdisplay_forceclose: bad screen" ); |
| 443 | #endif |
| 444 | |
| 445 | /* nuke the vnodes */ |
| 446 | mn = WSDISPLAYMINOR(device_unit(sc->sc_dev), idx); |
| 447 | vdevgone(maj, mn, mn, VCHR); |
| 448 | } |
| 449 | |
| 450 | #ifdef WSDISPLAY_SCROLLSUPPORT |
| 451 | void |
| 452 | wsdisplay_scroll(void *arg, int op) |
| 453 | { |
| 454 | device_t dv = arg; |
| 455 | struct wsdisplay_softc *sc = device_private(dv); |
| 456 | struct wsscreen *scr; |
| 457 | int lines; |
| 458 | |
| 459 | scr = sc->sc_focus; |
| 460 | |
| 461 | if (!scr) |
| 462 | return; |
| 463 | |
| 464 | if (op == WSDISPLAY_SCROLL_RESET) |
| 465 | lines = 0; |
| 466 | else { |
| 467 | lines = (op & WSDISPLAY_SCROLL_LOW) ? |
| 468 | sc->sc_scroll_values.slowlines : |
| 469 | sc->sc_scroll_values.fastlines; |
| 470 | if (op & WSDISPLAY_SCROLL_BACKWARD) |
| 471 | lines = -(lines); |
| 472 | } |
| 473 | |
| 474 | if (sc->sc_accessops->scroll) { |
| 475 | (*sc->sc_accessops->scroll)(sc->sc_accesscookie, |
| 476 | sc->sc_focus->scr_dconf->emulcookie, lines); |
| 477 | } |
| 478 | } |
| 479 | #endif |
| 480 | |
| 481 | int |
| 482 | wsdisplay_delscreen(struct wsdisplay_softc *sc, int idx, int flags) |
| 483 | { |
| 484 | struct wsscreen *scr; |
| 485 | int s; |
| 486 | void *cookie; |
| 487 | |
| 488 | if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN) |
| 489 | return (EINVAL); |
| 490 | if ((scr = sc->sc_scr[idx]) == NULL) |
| 491 | return (ENXIO); |
| 492 | |
| 493 | if (scr->scr_dconf == &wsdisplay_console_conf || |
| 494 | scr->scr_syncops || |
| 495 | ((scr->scr_flags & SCR_OPEN) && !(flags & WSDISPLAY_DELSCR_FORCE))) |
| 496 | return(EBUSY); |
| 497 | |
| 498 | wsdisplay_closescreen(sc, scr); |
| 499 | |
| 500 | /* |
| 501 | * delete pointers, so neither device entries |
| 502 | * nor keyboard input can reference it anymore |
| 503 | */ |
| 504 | s = spltty(); |
| 505 | if (sc->sc_focus == scr) { |
| 506 | sc->sc_focus = 0; |
| 507 | #ifdef WSDISPLAY_COMPAT_RAWKBD |
| 508 | wsdisplay_update_rawkbd(sc, 0); |
| 509 | #endif |
| 510 | } |
| 511 | sc->sc_scr[idx] = 0; |
| 512 | splx(s); |
| 513 | |
| 514 | /* |
| 515 | * Wake up processes waiting for the screen to |
| 516 | * be activated. Sleepers must check whether |
| 517 | * the screen still exists. |
| 518 | */ |
| 519 | if (scr->scr_flags & SCR_WAITACTIVE) |
| 520 | wakeup(scr); |
| 521 | |
| 522 | /* save a reference to the graphics screen */ |
| 523 | cookie = scr->scr_dconf->emulcookie; |
| 524 | |
| 525 | wsscreen_detach(scr); |
| 526 | |
| 527 | (*sc->sc_accessops->free_screen)(sc->sc_accesscookie, |
| 528 | cookie); |
| 529 | |
| 530 | aprint_verbose_dev(sc->sc_dev, "screen %d deleted\n" , idx); |
| 531 | return (0); |
| 532 | } |
| 533 | |
| 534 | /* |
| 535 | * Autoconfiguration functions. |
| 536 | */ |
| 537 | int |
| 538 | wsdisplay_emul_match(device_t parent, cfdata_t match, void *aux) |
| 539 | { |
| 540 | struct wsemuldisplaydev_attach_args *ap = aux; |
| 541 | |
| 542 | if (match->cf_loc[WSEMULDISPLAYDEVCF_CONSOLE] != |
| 543 | WSEMULDISPLAYDEVCF_CONSOLE_DEFAULT) { |
| 544 | /* |
| 545 | * If console-ness of device specified, either match |
| 546 | * exactly (at high priority), or fail. |
| 547 | */ |
| 548 | if (match->cf_loc[WSEMULDISPLAYDEVCF_CONSOLE] != 0 && |
| 549 | ap->console != 0) |
| 550 | return (10); |
| 551 | else |
| 552 | return (0); |
| 553 | } |
| 554 | |
| 555 | /* If console-ness unspecified, it wins. */ |
| 556 | return (1); |
| 557 | } |
| 558 | |
| 559 | void |
| 560 | wsdisplay_emul_attach(device_t parent, device_t self, void *aux) |
| 561 | { |
| 562 | struct wsdisplay_softc *sc = device_private(self); |
| 563 | struct wsemuldisplaydev_attach_args *ap = aux; |
| 564 | |
| 565 | sc->sc_dev = self; |
| 566 | |
| 567 | /* Don't allow more than one console to attach */ |
| 568 | if (wsdisplay_console_attached && ap->console) |
| 569 | ap->console = 0; |
| 570 | |
| 571 | wsdisplay_common_attach(sc, ap->console, |
| 572 | device_cfdata(self)->cf_loc[WSEMULDISPLAYDEVCF_KBDMUX], |
| 573 | ap->scrdata, ap->accessops, ap->accesscookie); |
| 574 | |
| 575 | if (ap->console) { |
| 576 | int maj; |
| 577 | |
| 578 | /* locate the major number */ |
| 579 | maj = cdevsw_lookup_major(&wsdisplay_cdevsw); |
| 580 | |
| 581 | cn_tab->cn_dev = makedev(maj, WSDISPLAYMINOR(device_unit(self), |
| 582 | 0)); |
| 583 | } |
| 584 | } |
| 585 | |
| 586 | /* Print function (for parent devices). */ |
| 587 | int |
| 588 | wsemuldisplaydevprint(void *aux, const char *pnp) |
| 589 | { |
| 590 | #if 0 /* -Wunused */ |
| 591 | struct wsemuldisplaydev_attach_args *ap = aux; |
| 592 | #endif |
| 593 | |
| 594 | if (pnp) |
| 595 | aprint_normal("wsdisplay at %s" , pnp); |
| 596 | #if 0 /* don't bother; it's ugly */ |
| 597 | aprint_normal(" console %d" , ap->console); |
| 598 | #endif |
| 599 | |
| 600 | return (UNCONF); |
| 601 | } |
| 602 | |
| 603 | int |
| 604 | wsdisplay_emul_detach(device_t dev, int how) |
| 605 | { |
| 606 | struct wsdisplay_softc *sc = device_private(dev); |
| 607 | int flag, i, res; |
| 608 | |
| 609 | flag = (how & DETACH_FORCE ? WSDISPLAY_DELSCR_FORCE : 0); |
| 610 | for (i = 0; i < WSDISPLAY_MAXSCREEN; i++) |
| 611 | if (sc->sc_scr[i]) { |
| 612 | res = wsdisplay_delscreen(sc, i, flag); |
| 613 | if (res) |
| 614 | return res; |
| 615 | } |
| 616 | |
| 617 | cv_destroy(&sc->sc_flagscv); |
| 618 | mutex_destroy(&sc->sc_flagsmtx); |
| 619 | return 0; |
| 620 | } |
| 621 | |
| 622 | int |
| 623 | wsdisplay_noemul_match(device_t parent, cfdata_t match, void *aux) |
| 624 | { |
| 625 | #if 0 /* -Wunused */ |
| 626 | struct wsdisplaydev_attach_args *ap = aux; |
| 627 | #endif |
| 628 | |
| 629 | /* Always match. */ |
| 630 | return (1); |
| 631 | } |
| 632 | |
| 633 | void |
| 634 | wsdisplay_noemul_attach(device_t parent, device_t self, void *aux) |
| 635 | { |
| 636 | struct wsdisplay_softc *sc = device_private(self); |
| 637 | struct wsdisplaydev_attach_args *ap = aux; |
| 638 | |
| 639 | sc->sc_dev = self; |
| 640 | |
| 641 | wsdisplay_common_attach(sc, 0, |
| 642 | device_cfdata(self)->cf_loc[WSDISPLAYDEVCF_KBDMUX], NULL, |
| 643 | ap->accessops, ap->accesscookie); |
| 644 | } |
| 645 | |
| 646 | static void |
| 647 | wsdisplay_swdone_cb(void *arg, int error, int waitok) |
| 648 | { |
| 649 | struct wsdisplay_softc *sc = arg; |
| 650 | |
| 651 | mutex_enter(&sc->sc_flagsmtx); |
| 652 | KASSERT(sc->sc_flags & SC_SWITCHPENDING); |
| 653 | if (error) |
| 654 | sc->sc_flags |= SC_SWITCHERROR; |
| 655 | sc->sc_flags &= ~SC_SWITCHPENDING; |
| 656 | cv_signal(&sc->sc_flagscv); |
| 657 | mutex_exit(&sc->sc_flagsmtx); |
| 658 | } |
| 659 | |
| 660 | static int |
| 661 | wsdisplay_dosync(struct wsdisplay_softc *sc, int attach) |
| 662 | { |
| 663 | struct wsscreen *scr; |
| 664 | int (*op)(void *, int, void (*)(void *, int, int), void *); |
| 665 | int res; |
| 666 | |
| 667 | scr = sc->sc_focus; |
| 668 | if (!scr || !scr->scr_syncops) |
| 669 | return 0; /* XXX check SCR_GRAPHICS? */ |
| 670 | |
| 671 | sc->sc_flags |= SC_SWITCHPENDING; |
| 672 | sc->sc_flags &= ~SC_SWITCHERROR; |
| 673 | if (attach) |
| 674 | op = scr->scr_syncops->attach; |
| 675 | else |
| 676 | op = scr->scr_syncops->detach; |
| 677 | res = (*op)(scr->scr_synccookie, 1, wsdisplay_swdone_cb, sc); |
| 678 | if (res == EAGAIN) { |
| 679 | /* wait for callback */ |
| 680 | mutex_enter(&sc->sc_flagsmtx); |
| 681 | while (sc->sc_flags & SC_SWITCHPENDING) |
| 682 | cv_wait_sig(&sc->sc_flagscv, &sc->sc_flagsmtx); |
| 683 | mutex_exit(&sc->sc_flagsmtx); |
| 684 | if (sc->sc_flags & SC_SWITCHERROR) |
| 685 | return (EIO); /* XXX pass real error */ |
| 686 | } else { |
| 687 | sc->sc_flags &= ~SC_SWITCHPENDING; |
| 688 | if (res) |
| 689 | return (res); |
| 690 | } |
| 691 | if (attach) |
| 692 | sc->sc_flags |= SC_XATTACHED; |
| 693 | else |
| 694 | sc->sc_flags &= ~SC_XATTACHED; |
| 695 | return 0; |
| 696 | } |
| 697 | |
| 698 | int |
| 699 | wsdisplay_handlex(int resume) |
| 700 | { |
| 701 | int i, res; |
| 702 | device_t dv; |
| 703 | |
| 704 | for (i = 0; i < wsdisplay_cd.cd_ndevs; i++) { |
| 705 | dv = device_lookup(&wsdisplay_cd, i); |
| 706 | if (!dv) |
| 707 | continue; |
| 708 | res = wsdisplay_dosync(device_private(dv), resume); |
| 709 | if (res) |
| 710 | return (res); |
| 711 | } |
| 712 | return (0); |
| 713 | } |
| 714 | |
| 715 | static bool |
| 716 | wsdisplay_suspend(device_t dv, const pmf_qual_t *qual) |
| 717 | { |
| 718 | struct wsdisplay_softc *sc = device_private(dv); |
| 719 | #ifdef DIAGNOSTIC |
| 720 | struct wsscreen *scr = sc->sc_focus; |
| 721 | if (sc->sc_flags & SC_XATTACHED) { |
| 722 | KASSERT(scr && scr->scr_syncops); |
| 723 | } |
| 724 | #endif |
| 725 | #if 1 |
| 726 | /* |
| 727 | * XXX X servers should have been detached earlier. |
| 728 | * pmf currently ignores our return value and suspends the system |
| 729 | * after device suspend failures. We try to avoid bigger damage |
| 730 | * and try to detach the X server here. This is not safe because |
| 731 | * other parts of the system which the X server deals with |
| 732 | * might already be suspended. |
| 733 | */ |
| 734 | if (sc->sc_flags & SC_XATTACHED) { |
| 735 | printf("%s: emergency X server detach\n" , device_xname(dv)); |
| 736 | wsdisplay_dosync(sc, 0); |
| 737 | } |
| 738 | #endif |
| 739 | return (!(sc->sc_flags & SC_XATTACHED)); |
| 740 | } |
| 741 | |
| 742 | /* Print function (for parent devices). */ |
| 743 | int |
| 744 | wsdisplaydevprint(void *aux, const char *pnp) |
| 745 | { |
| 746 | #if 0 /* -Wunused */ |
| 747 | struct wsdisplaydev_attach_args *ap = aux; |
| 748 | #endif |
| 749 | |
| 750 | if (pnp) |
| 751 | aprint_normal("wsdisplay at %s" , pnp); |
| 752 | |
| 753 | return (UNCONF); |
| 754 | } |
| 755 | |
| 756 | static void |
| 757 | wsdisplay_common_attach(struct wsdisplay_softc *sc, int console, int kbdmux, |
| 758 | const struct wsscreen_list *scrdata, |
| 759 | const struct wsdisplay_accessops *accessops, |
| 760 | void *accesscookie) |
| 761 | { |
| 762 | int i, start=0; |
| 763 | #if NWSKBD > 0 |
| 764 | struct wsevsrc *kme; |
| 765 | #if NWSMUX > 0 |
| 766 | struct wsmux_softc *mux; |
| 767 | |
| 768 | if (kbdmux >= 0) |
| 769 | mux = wsmux_getmux(kbdmux); |
| 770 | else |
| 771 | mux = wsmux_create("dmux" , device_unit(sc->sc_dev)); |
| 772 | /* XXX panic()ing isn't nice, but attach cannot fail */ |
| 773 | if (mux == NULL) |
| 774 | panic("wsdisplay_common_attach: no memory" ); |
| 775 | sc->sc_input = &mux->sc_base; |
| 776 | mux->sc_base.me_dispdv = sc->sc_dev; |
| 777 | aprint_normal(" kbdmux %d" , kbdmux); |
| 778 | #else |
| 779 | if (kbdmux >= 0) |
| 780 | aprint_normal(" (kbdmux ignored)" ); |
| 781 | #endif |
| 782 | #endif |
| 783 | |
| 784 | sc->sc_isconsole = console; |
| 785 | |
| 786 | if (console) { |
| 787 | KASSERT(wsdisplay_console_initted); |
| 788 | KASSERT(wsdisplay_console_device == NULL); |
| 789 | |
| 790 | sc->sc_scr[0] = wsscreen_attach(sc, 1, 0, 0, 0, 0, 0, 0); |
| 791 | wsdisplay_console_device = sc; |
| 792 | |
| 793 | aprint_normal(": console (%s, %s emulation)" , |
| 794 | wsdisplay_console_conf.scrdata->name, |
| 795 | wsdisplay_console_conf.wsemul->name); |
| 796 | |
| 797 | #if NWSKBD > 0 |
| 798 | kme = wskbd_set_console_display(sc->sc_dev, sc->sc_input); |
| 799 | if (kme != NULL) |
| 800 | aprint_normal(", using %s" , device_xname(kme->me_dv)); |
| 801 | #if NWSMUX == 0 |
| 802 | sc->sc_input = kme; |
| 803 | #endif |
| 804 | #endif |
| 805 | |
| 806 | sc->sc_focusidx = 0; |
| 807 | sc->sc_focus = sc->sc_scr[0]; |
| 808 | start = 1; |
| 809 | |
| 810 | wsdisplay_console_attached = 1; |
| 811 | } |
| 812 | aprint_normal("\n" ); |
| 813 | aprint_naive("\n" ); |
| 814 | |
| 815 | #if NWSKBD > 0 && NWSMUX > 0 |
| 816 | wsmux_set_display(mux, sc->sc_dev); |
| 817 | #endif |
| 818 | |
| 819 | mutex_init(&sc->sc_flagsmtx, MUTEX_DEFAULT, IPL_NONE); |
| 820 | cv_init(&sc->sc_flagscv, "wssw" ); |
| 821 | |
| 822 | sc->sc_accessops = accessops; |
| 823 | sc->sc_accesscookie = accesscookie; |
| 824 | sc->sc_scrdata = scrdata; |
| 825 | |
| 826 | #ifdef WSDISPLAY_SCROLLSUPPORT |
| 827 | sc->sc_scroll_values = wsdisplay_default_scroll_values; |
| 828 | #endif |
| 829 | |
| 830 | /* |
| 831 | * Set up a number of virtual screens if wanted. The |
| 832 | * WSDISPLAYIO_ADDSCREEN ioctl is more flexible, so this code |
| 833 | * is for special cases like installation kernels. |
| 834 | */ |
| 835 | for (i = start; i < wsdisplay_defaultscreens; i++) { |
| 836 | if (wsdisplay_addscreen(sc, i, 0, 0)) |
| 837 | break; |
| 838 | } |
| 839 | |
| 840 | if (i > start) |
| 841 | wsdisplay_addscreen_print(sc, start, i-start); |
| 842 | |
| 843 | if (!pmf_device_register(sc->sc_dev, wsdisplay_suspend, NULL)) |
| 844 | aprint_error_dev(sc->sc_dev, |
| 845 | "couldn't establish power handler\n" ); |
| 846 | } |
| 847 | |
| 848 | void |
| 849 | wsdisplay_cnattach(const struct wsscreen_descr *type, void *cookie, |
| 850 | int ccol, int crow, long defattr) |
| 851 | { |
| 852 | const struct wsemul_ops *wsemul; |
| 853 | |
| 854 | KASSERT(wsdisplay_console_initted < 2); |
| 855 | KASSERT(type->nrows > 0); |
| 856 | KASSERT(type->ncols > 0); |
| 857 | KASSERT(crow < type->nrows); |
| 858 | KASSERT(ccol < type->ncols); |
| 859 | |
| 860 | wsdisplay_console_conf.emulops = type->textops; |
| 861 | wsdisplay_console_conf.emulcookie = cookie; |
| 862 | wsdisplay_console_conf.scrdata = type; |
| 863 | |
| 864 | wsemul = wsemul_pick(0); /* default */ |
| 865 | wsdisplay_console_conf.wsemul = wsemul; |
| 866 | wsdisplay_console_conf.wsemulcookie = (*wsemul->cnattach)(type, cookie, |
| 867 | ccol, crow, |
| 868 | defattr); |
| 869 | |
| 870 | cn_tab = &wsdisplay_cons; |
| 871 | wsdisplay_console_initted = 2; |
| 872 | } |
| 873 | |
| 874 | void |
| 875 | wsdisplay_preattach(const struct wsscreen_descr *type, void *cookie, |
| 876 | int ccol, int crow, long defattr) |
| 877 | { |
| 878 | const struct wsemul_ops *wsemul; |
| 879 | |
| 880 | KASSERT(!wsdisplay_console_initted); |
| 881 | KASSERT(type->nrows > 0); |
| 882 | KASSERT(type->ncols > 0); |
| 883 | KASSERT(crow < type->nrows); |
| 884 | KASSERT(ccol < type->ncols); |
| 885 | |
| 886 | wsdisplay_console_conf.emulops = type->textops; |
| 887 | wsdisplay_console_conf.emulcookie = cookie; |
| 888 | wsdisplay_console_conf.scrdata = type; |
| 889 | |
| 890 | wsemul = wsemul_pick(0); /* default */ |
| 891 | wsdisplay_console_conf.wsemul = wsemul; |
| 892 | wsdisplay_console_conf.wsemulcookie = (*wsemul->cnattach)(type, cookie, |
| 893 | ccol, crow, |
| 894 | defattr); |
| 895 | |
| 896 | cn_tab = &wsdisplay_cons; |
| 897 | wsdisplay_console_initted = 1; |
| 898 | } |
| 899 | |
| 900 | void |
| 901 | wsdisplay_cndetach(void) |
| 902 | { |
| 903 | KASSERT(wsdisplay_console_initted == 2); |
| 904 | |
| 905 | cn_tab = NULL; |
| 906 | wsdisplay_console_initted = 0; |
| 907 | } |
| 908 | |
| 909 | /* |
| 910 | * Tty and cdevsw functions. |
| 911 | */ |
| 912 | int |
| 913 | wsdisplayopen(dev_t dev, int flag, int mode, struct lwp *l) |
| 914 | { |
| 915 | struct wsdisplay_softc *sc; |
| 916 | struct tty *tp; |
| 917 | int newopen, error; |
| 918 | struct wsscreen *scr; |
| 919 | |
| 920 | sc = device_lookup_private(&wsdisplay_cd, WSDISPLAYUNIT(dev)); |
| 921 | if (sc == NULL) /* make sure it was attached */ |
| 922 | return (ENXIO); |
| 923 | |
| 924 | if (ISWSDISPLAYSTAT(dev)) { |
| 925 | wsevent_init(&sc->evar, l->l_proc); |
| 926 | return (0); |
| 927 | } |
| 928 | |
| 929 | if (ISWSDISPLAYCTL(dev)) |
| 930 | return (0); |
| 931 | |
| 932 | if (WSDISPLAYSCREEN(dev) >= WSDISPLAY_MAXSCREEN) |
| 933 | return (ENXIO); |
| 934 | if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) |
| 935 | return (ENXIO); |
| 936 | |
| 937 | if (WSSCREEN_HAS_TTY(scr)) { |
| 938 | tp = scr->scr_tty; |
| 939 | tp->t_oproc = wsdisplaystart; |
| 940 | tp->t_param = wsdisplayparam; |
| 941 | tp->t_dev = dev; |
| 942 | newopen = (tp->t_state & TS_ISOPEN) == 0; |
| 943 | |
| 944 | if (kauth_authorize_device_tty(l->l_cred, |
| 945 | KAUTH_DEVICE_TTY_OPEN, tp)) |
| 946 | return (EBUSY); |
| 947 | |
| 948 | if (newopen) { |
| 949 | ttychars(tp); |
| 950 | tp->t_iflag = TTYDEF_IFLAG; |
| 951 | tp->t_oflag = TTYDEF_OFLAG; |
| 952 | tp->t_cflag = TTYDEF_CFLAG; |
| 953 | tp->t_lflag = TTYDEF_LFLAG; |
| 954 | tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; |
| 955 | wsdisplayparam(tp, &tp->t_termios); |
| 956 | ttsetwater(tp); |
| 957 | } |
| 958 | tp->t_state |= TS_CARR_ON; |
| 959 | |
| 960 | error = ((*tp->t_linesw->l_open)(dev, tp)); |
| 961 | if (error) |
| 962 | return (error); |
| 963 | |
| 964 | if (newopen && WSSCREEN_HAS_EMULATOR(scr)) { |
| 965 | /* set window sizes as appropriate, and reset |
| 966 | the emulation */ |
| 967 | tp->t_winsize.ws_row = scr->scr_dconf->scrdata->nrows; |
| 968 | tp->t_winsize.ws_col = scr->scr_dconf->scrdata->ncols; |
| 969 | |
| 970 | /* wsdisplay_set_emulation() */ |
| 971 | } |
| 972 | } |
| 973 | |
| 974 | scr->scr_flags |= SCR_OPEN; |
| 975 | return (0); |
| 976 | } |
| 977 | |
| 978 | int |
| 979 | wsdisplayclose(dev_t dev, int flag, int mode, struct lwp *l) |
| 980 | { |
| 981 | device_t dv; |
| 982 | struct wsdisplay_softc *sc; |
| 983 | struct tty *tp; |
| 984 | struct wsscreen *scr; |
| 985 | |
| 986 | dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); |
| 987 | sc = device_private(dv); |
| 988 | |
| 989 | if (ISWSDISPLAYSTAT(dev)) { |
| 990 | wsevent_fini(&sc->evar); |
| 991 | return (0); |
| 992 | } |
| 993 | |
| 994 | if (ISWSDISPLAYCTL(dev)) |
| 995 | return (0); |
| 996 | |
| 997 | if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) |
| 998 | return (0); |
| 999 | |
| 1000 | if (WSSCREEN_HAS_TTY(scr)) { |
| 1001 | if (scr->scr_hold_screen) { |
| 1002 | int s; |
| 1003 | |
| 1004 | /* XXX RESET KEYBOARD LEDS, etc. */ |
| 1005 | s = spltty(); /* avoid conflict with keyboard */ |
| 1006 | wsdisplay_kbdholdscreen(dv, 0); |
| 1007 | splx(s); |
| 1008 | } |
| 1009 | tp = scr->scr_tty; |
| 1010 | (*tp->t_linesw->l_close)(tp, flag); |
| 1011 | ttyclose(tp); |
| 1012 | } |
| 1013 | |
| 1014 | if (scr->scr_syncops) |
| 1015 | (*scr->scr_syncops->destroy)(scr->scr_synccookie); |
| 1016 | |
| 1017 | if (WSSCREEN_HAS_EMULATOR(scr)) { |
| 1018 | scr->scr_flags &= ~SCR_GRAPHICS; |
| 1019 | (*scr->scr_dconf->wsemul->reset)(scr->scr_dconf->wsemulcookie, |
| 1020 | WSEMUL_RESET); |
| 1021 | if (wsdisplay_clearonclose) |
| 1022 | (*scr->scr_dconf->wsemul->reset) |
| 1023 | (scr->scr_dconf->wsemulcookie, |
| 1024 | WSEMUL_CLEARSCREEN); |
| 1025 | } |
| 1026 | |
| 1027 | #ifdef WSDISPLAY_COMPAT_RAWKBD |
| 1028 | if (scr->scr_rawkbd) { |
| 1029 | int kbmode = WSKBD_TRANSLATED; |
| 1030 | (void)wsdisplay_internal_ioctl(sc, scr, WSKBDIO_SETMODE, |
| 1031 | (void *)&kbmode, 0, l); |
| 1032 | } |
| 1033 | #endif |
| 1034 | |
| 1035 | scr->scr_flags &= ~SCR_OPEN; |
| 1036 | |
| 1037 | return (0); |
| 1038 | } |
| 1039 | |
| 1040 | int |
| 1041 | wsdisplayread(dev_t dev, struct uio *uio, int flag) |
| 1042 | { |
| 1043 | struct wsdisplay_softc *sc; |
| 1044 | struct tty *tp; |
| 1045 | struct wsscreen *scr; |
| 1046 | int error; |
| 1047 | |
| 1048 | sc = device_lookup_private(&wsdisplay_cd, WSDISPLAYUNIT(dev)); |
| 1049 | |
| 1050 | if (ISWSDISPLAYSTAT(dev)) { |
| 1051 | error = wsevent_read(&sc->evar, uio, flag); |
| 1052 | return (error); |
| 1053 | } |
| 1054 | |
| 1055 | if (ISWSDISPLAYCTL(dev)) |
| 1056 | return (0); |
| 1057 | |
| 1058 | if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) |
| 1059 | return (ENXIO); |
| 1060 | |
| 1061 | if (!WSSCREEN_HAS_TTY(scr)) |
| 1062 | return (ENODEV); |
| 1063 | |
| 1064 | tp = scr->scr_tty; |
| 1065 | return ((*tp->t_linesw->l_read)(tp, uio, flag)); |
| 1066 | } |
| 1067 | |
| 1068 | int |
| 1069 | wsdisplaywrite(dev_t dev, struct uio *uio, int flag) |
| 1070 | { |
| 1071 | struct wsdisplay_softc *sc; |
| 1072 | struct tty *tp; |
| 1073 | struct wsscreen *scr; |
| 1074 | |
| 1075 | sc = device_lookup_private(&wsdisplay_cd, WSDISPLAYUNIT(dev)); |
| 1076 | |
| 1077 | if (ISWSDISPLAYSTAT(dev)) { |
| 1078 | return (0); |
| 1079 | } |
| 1080 | |
| 1081 | if (ISWSDISPLAYCTL(dev)) |
| 1082 | return (0); |
| 1083 | |
| 1084 | if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) |
| 1085 | return (ENXIO); |
| 1086 | |
| 1087 | if (!WSSCREEN_HAS_TTY(scr)) |
| 1088 | return (ENODEV); |
| 1089 | |
| 1090 | tp = scr->scr_tty; |
| 1091 | return ((*tp->t_linesw->l_write)(tp, uio, flag)); |
| 1092 | } |
| 1093 | |
| 1094 | int |
| 1095 | wsdisplaypoll(dev_t dev, int events, struct lwp *l) |
| 1096 | { |
| 1097 | struct wsdisplay_softc *sc; |
| 1098 | struct tty *tp; |
| 1099 | struct wsscreen *scr; |
| 1100 | |
| 1101 | sc = device_lookup_private(&wsdisplay_cd, WSDISPLAYUNIT(dev)); |
| 1102 | |
| 1103 | if (ISWSDISPLAYSTAT(dev)) |
| 1104 | return (wsevent_poll(&sc->evar, events, l)); |
| 1105 | |
| 1106 | if (ISWSDISPLAYCTL(dev)) |
| 1107 | return (0); |
| 1108 | |
| 1109 | if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) |
| 1110 | return (POLLHUP); |
| 1111 | |
| 1112 | if (!WSSCREEN_HAS_TTY(scr)) |
| 1113 | return (POLLERR); |
| 1114 | |
| 1115 | tp = scr->scr_tty; |
| 1116 | return ((*tp->t_linesw->l_poll)(tp, events, l)); |
| 1117 | } |
| 1118 | |
| 1119 | int |
| 1120 | wsdisplaykqfilter(dev_t dev, struct knote *kn) |
| 1121 | { |
| 1122 | struct wsdisplay_softc *sc; |
| 1123 | struct wsscreen *scr; |
| 1124 | |
| 1125 | sc = device_lookup_private(&wsdisplay_cd, WSDISPLAYUNIT(dev)); |
| 1126 | |
| 1127 | if (ISWSDISPLAYCTL(dev)) |
| 1128 | return (1); |
| 1129 | |
| 1130 | if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) |
| 1131 | return (1); |
| 1132 | |
| 1133 | |
| 1134 | if (WSSCREEN_HAS_TTY(scr)) |
| 1135 | return (ttykqfilter(dev, kn)); |
| 1136 | else |
| 1137 | return (1); |
| 1138 | } |
| 1139 | |
| 1140 | struct tty * |
| 1141 | wsdisplaytty(dev_t dev) |
| 1142 | { |
| 1143 | struct wsdisplay_softc *sc; |
| 1144 | struct wsscreen *scr; |
| 1145 | |
| 1146 | sc = device_lookup_private(&wsdisplay_cd, WSDISPLAYUNIT(dev)); |
| 1147 | |
| 1148 | if (ISWSDISPLAYSTAT(dev)) |
| 1149 | panic("wsdisplaytty() on status device" ); |
| 1150 | |
| 1151 | if (ISWSDISPLAYCTL(dev)) |
| 1152 | panic("wsdisplaytty() on ctl device" ); |
| 1153 | |
| 1154 | if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) |
| 1155 | return NULL; |
| 1156 | |
| 1157 | return (scr->scr_tty); |
| 1158 | } |
| 1159 | |
| 1160 | int |
| 1161 | wsdisplayioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l) |
| 1162 | { |
| 1163 | device_t dv; |
| 1164 | struct wsdisplay_softc *sc; |
| 1165 | struct tty *tp; |
| 1166 | int error; |
| 1167 | struct wsscreen *scr; |
| 1168 | |
| 1169 | dv = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev)); |
| 1170 | sc = device_private(dv); |
| 1171 | |
| 1172 | #ifdef WSDISPLAY_COMPAT_USL |
| 1173 | error = wsdisplay_usl_ioctl1(dv, cmd, data, flag, l); |
| 1174 | if (error != EPASSTHROUGH) |
| 1175 | return (error); |
| 1176 | #endif |
| 1177 | |
| 1178 | if (ISWSDISPLAYSTAT(dev)) |
| 1179 | return (wsdisplay_stat_ioctl(sc, cmd, data, flag, l)); |
| 1180 | |
| 1181 | if (ISWSDISPLAYCTL(dev)) |
| 1182 | return (wsdisplay_cfg_ioctl(sc, cmd, data, flag, l)); |
| 1183 | |
| 1184 | if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) |
| 1185 | return (ENXIO); |
| 1186 | |
| 1187 | if (WSSCREEN_HAS_TTY(scr)) { |
| 1188 | tp = scr->scr_tty; |
| 1189 | |
| 1190 | /* printf("disc\n"); */ |
| 1191 | /* do the line discipline ioctls first */ |
| 1192 | error = (*tp->t_linesw->l_ioctl)(tp, cmd, data, flag, l); |
| 1193 | if (error != EPASSTHROUGH) |
| 1194 | return (error); |
| 1195 | |
| 1196 | /* printf("tty\n"); */ |
| 1197 | /* then the tty ioctls */ |
| 1198 | error = ttioctl(tp, cmd, data, flag, l); |
| 1199 | if (error != EPASSTHROUGH) |
| 1200 | return (error); |
| 1201 | } |
| 1202 | |
| 1203 | #ifdef WSDISPLAY_COMPAT_USL |
| 1204 | error = wsdisplay_usl_ioctl2(sc, scr, cmd, data, flag, l); |
| 1205 | if (error != EPASSTHROUGH) |
| 1206 | return (error); |
| 1207 | #endif |
| 1208 | |
| 1209 | return (wsdisplay_internal_ioctl(sc, scr, cmd, data, flag, l)); |
| 1210 | } |
| 1211 | |
| 1212 | int |
| 1213 | wsdisplay_param(device_t dv, u_long cmd, struct wsdisplay_param *dp) |
| 1214 | { |
| 1215 | struct wsdisplay_softc *sc = device_private(dv); |
| 1216 | return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie, |
| 1217 | sc->sc_focus->scr_dconf->emulcookie, |
| 1218 | cmd, (void *)dp, 0, NULL)); |
| 1219 | } |
| 1220 | |
| 1221 | int |
| 1222 | wsdisplay_internal_ioctl(struct wsdisplay_softc *sc, struct wsscreen *scr, |
| 1223 | u_long cmd, void *data, int flag, struct lwp *l) |
| 1224 | { |
| 1225 | int error; |
| 1226 | char namebuf[16]; |
| 1227 | struct wsdisplay_font fd; |
| 1228 | #ifdef WSDISPLAY_SCROLLSUPPORT |
| 1229 | struct wsdisplay_scroll_data *ksdp, *usdp; |
| 1230 | #endif |
| 1231 | |
| 1232 | #if NWSKBD > 0 |
| 1233 | struct wsevsrc *inp; |
| 1234 | |
| 1235 | #ifdef WSDISPLAY_COMPAT_RAWKBD |
| 1236 | switch (cmd) { |
| 1237 | case WSKBDIO_SETMODE: |
| 1238 | scr->scr_rawkbd = (*(int *)data == WSKBD_RAW); |
| 1239 | return (wsdisplay_update_rawkbd(sc, scr)); |
| 1240 | case WSKBDIO_GETMODE: |
| 1241 | *(int *)data = (scr->scr_rawkbd ? |
| 1242 | WSKBD_RAW : WSKBD_TRANSLATED); |
| 1243 | return (0); |
| 1244 | } |
| 1245 | #endif |
| 1246 | inp = sc->sc_input; |
| 1247 | if (inp == NULL) |
| 1248 | return (ENXIO); |
| 1249 | error = wsevsrc_display_ioctl(inp, cmd, data, flag, l); |
| 1250 | if (error != EPASSTHROUGH) |
| 1251 | return (error); |
| 1252 | #endif /* NWSKBD > 0 */ |
| 1253 | |
| 1254 | switch (cmd) { |
| 1255 | case WSDISPLAYIO_GMODE: |
| 1256 | if (scr->scr_flags & SCR_GRAPHICS) { |
| 1257 | if (scr->scr_flags & SCR_DUMBFB) |
| 1258 | *(u_int *)data = WSDISPLAYIO_MODE_DUMBFB; |
| 1259 | else |
| 1260 | *(u_int *)data = WSDISPLAYIO_MODE_MAPPED; |
| 1261 | } else |
| 1262 | *(u_int *)data = WSDISPLAYIO_MODE_EMUL; |
| 1263 | return (0); |
| 1264 | |
| 1265 | case WSDISPLAYIO_SMODE: |
| 1266 | #define d (*(int *)data) |
| 1267 | if (d != WSDISPLAYIO_MODE_EMUL && |
| 1268 | d != WSDISPLAYIO_MODE_MAPPED && |
| 1269 | d != WSDISPLAYIO_MODE_DUMBFB) |
| 1270 | return (EINVAL); |
| 1271 | |
| 1272 | if (WSSCREEN_HAS_EMULATOR(scr)) { |
| 1273 | scr->scr_flags &= ~SCR_GRAPHICS; |
| 1274 | if (d == WSDISPLAYIO_MODE_MAPPED || |
| 1275 | d == WSDISPLAYIO_MODE_DUMBFB) |
| 1276 | scr->scr_flags |= SCR_GRAPHICS | |
| 1277 | ((d == WSDISPLAYIO_MODE_DUMBFB) ? SCR_DUMBFB : 0); |
| 1278 | } else if (d == WSDISPLAYIO_MODE_EMUL) |
| 1279 | return (EINVAL); |
| 1280 | |
| 1281 | (void)(*sc->sc_accessops->ioctl)(sc->sc_accesscookie, |
| 1282 | scr->scr_dconf->emulcookie, cmd, data, flag, l); |
| 1283 | |
| 1284 | return (0); |
| 1285 | #undef d |
| 1286 | |
| 1287 | #ifdef WSDISPLAY_SCROLLSUPPORT |
| 1288 | #define SETSCROLLLINES(dstp, srcp, dfltp) \ |
| 1289 | do { \ |
| 1290 | (dstp)->fastlines = ((srcp)->which & \ |
| 1291 | WSDISPLAY_SCROLL_DOFASTLINES) ? \ |
| 1292 | (srcp)->fastlines : (dfltp)->fastlines; \ |
| 1293 | (dstp)->slowlines = ((srcp)->which & \ |
| 1294 | WSDISPLAY_SCROLL_DOSLOWLINES) ? \ |
| 1295 | (srcp)->slowlines : (dfltp)->slowlines; \ |
| 1296 | (dstp)->which = WSDISPLAY_SCROLL_DOALL; \ |
| 1297 | } while (0) |
| 1298 | |
| 1299 | |
| 1300 | case WSDISPLAYIO_DSSCROLL: |
| 1301 | usdp = (struct wsdisplay_scroll_data *)data; |
| 1302 | ksdp = &sc->sc_scroll_values; |
| 1303 | SETSCROLLLINES(ksdp, usdp, ksdp); |
| 1304 | return (0); |
| 1305 | |
| 1306 | case WSDISPLAYIO_DGSCROLL: |
| 1307 | usdp = (struct wsdisplay_scroll_data *)data; |
| 1308 | ksdp = &sc->sc_scroll_values; |
| 1309 | SETSCROLLLINES(usdp, ksdp, ksdp); |
| 1310 | return (0); |
| 1311 | #else |
| 1312 | case WSDISPLAYIO_DSSCROLL: |
| 1313 | case WSDISPLAYIO_DGSCROLL: |
| 1314 | return ENODEV; |
| 1315 | #endif |
| 1316 | |
| 1317 | case WSDISPLAYIO_SFONT: |
| 1318 | #define d ((struct wsdisplay_usefontdata *)data) |
| 1319 | if (!sc->sc_accessops->load_font) |
| 1320 | return (EINVAL); |
| 1321 | if (d->name) { |
| 1322 | error = copyinstr(d->name, namebuf, sizeof(namebuf), 0); |
| 1323 | if (error) |
| 1324 | return (error); |
| 1325 | fd.name = namebuf; |
| 1326 | } else |
| 1327 | fd.name = 0; |
| 1328 | fd.data = 0; |
| 1329 | error = (*sc->sc_accessops->load_font)(sc->sc_accesscookie, |
| 1330 | scr->scr_dconf->emulcookie, &fd); |
| 1331 | if (!error && WSSCREEN_HAS_EMULATOR(scr)) |
| 1332 | (*scr->scr_dconf->wsemul->reset) |
| 1333 | (scr->scr_dconf->wsemulcookie, WSEMUL_SYNCFONT); |
| 1334 | return (error); |
| 1335 | #undef d |
| 1336 | |
| 1337 | #ifdef WSDISPLAY_CUSTOM_OUTPUT |
| 1338 | case WSDISPLAYIO_GMSGATTRS: |
| 1339 | #define d ((struct wsdisplay_msgattrs *)data) |
| 1340 | (*scr->scr_dconf->wsemul->getmsgattrs) |
| 1341 | (scr->scr_dconf->wsemulcookie, d); |
| 1342 | return (0); |
| 1343 | #undef d |
| 1344 | |
| 1345 | case WSDISPLAYIO_SMSGATTRS: { |
| 1346 | #define d ((struct wsdisplay_msgattrs *)data) |
| 1347 | int i; |
| 1348 | for (i = 0; i < WSDISPLAY_MAXSCREEN; i++) |
| 1349 | if (sc->sc_scr[i] != NULL) |
| 1350 | (*sc->sc_scr[i]->scr_dconf->wsemul->setmsgattrs) |
| 1351 | (sc->sc_scr[i]->scr_dconf->wsemulcookie, |
| 1352 | sc->sc_scr[i]->scr_dconf->scrdata, |
| 1353 | d); |
| 1354 | } |
| 1355 | return (0); |
| 1356 | #undef d |
| 1357 | #else |
| 1358 | case WSDISPLAYIO_GMSGATTRS: |
| 1359 | case WSDISPLAYIO_SMSGATTRS: |
| 1360 | return (ENODEV); |
| 1361 | #endif |
| 1362 | case WSDISPLAYIO_SETVERSION: |
| 1363 | return wsevent_setversion(&sc->evar, *(int *)data); |
| 1364 | } |
| 1365 | |
| 1366 | /* check ioctls for display */ |
| 1367 | return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie, |
| 1368 | scr->scr_dconf->emulcookie, cmd, data, flag, l)); |
| 1369 | } |
| 1370 | |
| 1371 | int |
| 1372 | wsdisplay_stat_ioctl(struct wsdisplay_softc *sc, u_long cmd, void *data, |
| 1373 | int flag, struct lwp *l) |
| 1374 | { |
| 1375 | switch (cmd) { |
| 1376 | case WSDISPLAYIO_GETACTIVESCREEN: |
| 1377 | *(int*)data = wsdisplay_getactivescreen(sc); |
| 1378 | return (0); |
| 1379 | } |
| 1380 | |
| 1381 | return (EPASSTHROUGH); |
| 1382 | } |
| 1383 | |
| 1384 | int |
| 1385 | wsdisplay_cfg_ioctl(struct wsdisplay_softc *sc, u_long cmd, void *data, |
| 1386 | int flag, struct lwp *l) |
| 1387 | { |
| 1388 | int error; |
| 1389 | char *type, typebuf[16], *emul, emulbuf[16]; |
| 1390 | void *tbuf; |
| 1391 | u_int fontsz; |
| 1392 | #if defined(COMPAT_14) && NWSKBD > 0 |
| 1393 | struct wsmux_device wsmuxdata; |
| 1394 | #endif |
| 1395 | #if NWSKBD > 0 |
| 1396 | struct wsevsrc *inp; |
| 1397 | #endif |
| 1398 | |
| 1399 | switch (cmd) { |
| 1400 | case WSDISPLAYIO_ADDSCREEN: |
| 1401 | #define d ((struct wsdisplay_addscreendata *)data) |
| 1402 | if (d->screentype) { |
| 1403 | error = copyinstr(d->screentype, typebuf, |
| 1404 | sizeof(typebuf), 0); |
| 1405 | if (error) |
| 1406 | return (error); |
| 1407 | type = typebuf; |
| 1408 | } else |
| 1409 | type = 0; |
| 1410 | if (d->emul) { |
| 1411 | error = copyinstr(d->emul, emulbuf, sizeof(emulbuf),0); |
| 1412 | if (error) |
| 1413 | return (error); |
| 1414 | emul = emulbuf; |
| 1415 | } else |
| 1416 | emul = 0; |
| 1417 | |
| 1418 | if ((error = wsdisplay_addscreen(sc, d->idx, type, emul)) == 0) |
| 1419 | wsdisplay_addscreen_print(sc, d->idx, 0); |
| 1420 | return (error); |
| 1421 | #undef d |
| 1422 | case WSDISPLAYIO_DELSCREEN: |
| 1423 | #define d ((struct wsdisplay_delscreendata *)data) |
| 1424 | return (wsdisplay_delscreen(sc, d->idx, d->flags)); |
| 1425 | #undef d |
| 1426 | case WSDISPLAYIO_LDFONT: |
| 1427 | #define d ((struct wsdisplay_font *)data) |
| 1428 | if (!sc->sc_accessops->load_font) |
| 1429 | return (EINVAL); |
| 1430 | if (d->name) { |
| 1431 | error = copyinstr(d->name, typebuf, sizeof(typebuf), 0); |
| 1432 | if (error) |
| 1433 | return (error); |
| 1434 | d->name = typebuf; |
| 1435 | } else |
| 1436 | d->name = "loaded" ; /* ??? */ |
| 1437 | fontsz = d->fontheight * d->stride * d->numchars; |
| 1438 | if (fontsz > WSDISPLAY_MAXFONTSZ) |
| 1439 | return (EINVAL); |
| 1440 | |
| 1441 | tbuf = malloc(fontsz, M_DEVBUF, M_WAITOK); |
| 1442 | error = copyin(d->data, tbuf, fontsz); |
| 1443 | if (error) { |
| 1444 | free(tbuf, M_DEVBUF); |
| 1445 | return (error); |
| 1446 | } |
| 1447 | d->data = tbuf; |
| 1448 | error = |
| 1449 | (*sc->sc_accessops->load_font)(sc->sc_accesscookie, 0, d); |
| 1450 | free(tbuf, M_DEVBUF); |
| 1451 | #undef d |
| 1452 | return (error); |
| 1453 | |
| 1454 | #if NWSKBD > 0 |
| 1455 | #ifdef COMPAT_14 |
| 1456 | case _O_WSDISPLAYIO_SETKEYBOARD: |
| 1457 | #define d ((struct wsdisplay_kbddata *)data) |
| 1458 | inp = sc->sc_input; |
| 1459 | if (inp == NULL) |
| 1460 | return (ENXIO); |
| 1461 | switch (d->op) { |
| 1462 | case _O_WSDISPLAY_KBD_ADD: |
| 1463 | if (d->idx == -1) { |
| 1464 | d->idx = wskbd_pickfree(); |
| 1465 | if (d->idx == -1) |
| 1466 | return (ENXIO); |
| 1467 | } |
| 1468 | wsmuxdata.type = WSMUX_KBD; |
| 1469 | wsmuxdata.idx = d->idx; |
| 1470 | return (wsevsrc_ioctl(inp, WSMUX_ADD_DEVICE, |
| 1471 | &wsmuxdata, flag, l)); |
| 1472 | case _O_WSDISPLAY_KBD_DEL: |
| 1473 | wsmuxdata.type = WSMUX_KBD; |
| 1474 | wsmuxdata.idx = d->idx; |
| 1475 | return (wsevsrc_ioctl(inp, WSMUX_REMOVE_DEVICE, |
| 1476 | &wsmuxdata, flag, l)); |
| 1477 | default: |
| 1478 | return (EINVAL); |
| 1479 | } |
| 1480 | #undef d |
| 1481 | #endif |
| 1482 | |
| 1483 | case WSMUXIO_ADD_DEVICE: |
| 1484 | #define d ((struct wsmux_device *)data) |
| 1485 | if (d->idx == -1 && d->type == WSMUX_KBD) |
| 1486 | d->idx = wskbd_pickfree(); |
| 1487 | #undef d |
| 1488 | /* fall into */ |
| 1489 | case WSMUXIO_INJECTEVENT: |
| 1490 | case WSMUXIO_REMOVE_DEVICE: |
| 1491 | case WSMUXIO_LIST_DEVICES: |
| 1492 | inp = sc->sc_input; |
| 1493 | if (inp == NULL) |
| 1494 | return (ENXIO); |
| 1495 | return (wsevsrc_ioctl(inp, cmd, data, flag, l)); |
| 1496 | #endif /* NWSKBD > 0 */ |
| 1497 | |
| 1498 | } |
| 1499 | return (EPASSTHROUGH); |
| 1500 | } |
| 1501 | |
| 1502 | int |
| 1503 | wsdisplay_stat_inject(device_t dv, u_int type, int value) |
| 1504 | { |
| 1505 | struct wsdisplay_softc *sc = device_private(dv); |
| 1506 | struct wseventvar *evar; |
| 1507 | struct wscons_event event; |
| 1508 | |
| 1509 | evar = &sc->evar; |
| 1510 | |
| 1511 | if (evar == NULL) |
| 1512 | return (0); |
| 1513 | |
| 1514 | if (evar->q == NULL) |
| 1515 | return (1); |
| 1516 | |
| 1517 | event.type = type; |
| 1518 | event.value = value; |
| 1519 | if (wsevent_inject(evar, &event, 1) != 0) { |
| 1520 | log(LOG_WARNING, "wsdisplay: event queue overflow\n" ); |
| 1521 | return (1); |
| 1522 | } |
| 1523 | |
| 1524 | return (0); |
| 1525 | } |
| 1526 | |
| 1527 | paddr_t |
| 1528 | wsdisplaymmap(dev_t dev, off_t offset, int prot) |
| 1529 | { |
| 1530 | struct wsdisplay_softc *sc; |
| 1531 | struct wsscreen *scr; |
| 1532 | |
| 1533 | sc = device_lookup_private(&wsdisplay_cd, WSDISPLAYUNIT(dev)); |
| 1534 | |
| 1535 | if (ISWSDISPLAYSTAT(dev)) |
| 1536 | return (-1); |
| 1537 | |
| 1538 | if (ISWSDISPLAYCTL(dev)) |
| 1539 | return (-1); |
| 1540 | |
| 1541 | if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) |
| 1542 | return (-1); |
| 1543 | |
| 1544 | if (!(scr->scr_flags & SCR_GRAPHICS)) |
| 1545 | return (-1); |
| 1546 | |
| 1547 | /* pass mmap to display */ |
| 1548 | return ((*sc->sc_accessops->mmap)(sc->sc_accesscookie, |
| 1549 | scr->scr_dconf->emulcookie, offset, prot)); |
| 1550 | } |
| 1551 | |
| 1552 | void |
| 1553 | wsdisplaystart(struct tty *tp) |
| 1554 | { |
| 1555 | struct wsdisplay_softc *sc; |
| 1556 | struct wsscreen *scr; |
| 1557 | int s, n; |
| 1558 | u_char *tbuf; |
| 1559 | |
| 1560 | s = spltty(); |
| 1561 | if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) { |
| 1562 | splx(s); |
| 1563 | return; |
| 1564 | } |
| 1565 | sc = device_lookup_private(&wsdisplay_cd, WSDISPLAYUNIT(tp->t_dev)); |
| 1566 | if ((scr = sc->sc_scr[WSDISPLAYSCREEN(tp->t_dev)]) == NULL) { |
| 1567 | splx(s); |
| 1568 | return; |
| 1569 | } |
| 1570 | |
| 1571 | if (scr->scr_hold_screen) { |
| 1572 | tp->t_state |= TS_TIMEOUT; |
| 1573 | splx(s); |
| 1574 | return; |
| 1575 | } |
| 1576 | tp->t_state |= TS_BUSY; |
| 1577 | splx(s); |
| 1578 | |
| 1579 | #ifdef DIAGNOSTIC |
| 1580 | scr->scr_in_ttyoutput = 1; |
| 1581 | #endif |
| 1582 | |
| 1583 | /* |
| 1584 | * Drain output from ring buffer. |
| 1585 | * The output will normally be in one contiguous chunk, but when the |
| 1586 | * ring wraps, it will be in two pieces.. one at the end of the ring, |
| 1587 | * the other at the start. For performance, rather than loop here, |
| 1588 | * we output one chunk, see if there's another one, and if so, output |
| 1589 | * it too. |
| 1590 | */ |
| 1591 | |
| 1592 | n = ndqb(&tp->t_outq, 0); |
| 1593 | tbuf = tp->t_outq.c_cf; |
| 1594 | |
| 1595 | if (!(scr->scr_flags & SCR_GRAPHICS)) { |
| 1596 | KASSERT(WSSCREEN_HAS_EMULATOR(scr)); |
| 1597 | (*scr->scr_dconf->wsemul->output)(scr->scr_dconf->wsemulcookie, |
| 1598 | tbuf, n, 0); |
| 1599 | } |
| 1600 | ndflush(&tp->t_outq, n); |
| 1601 | |
| 1602 | if ((n = ndqb(&tp->t_outq, 0)) > 0) { |
| 1603 | tbuf = tp->t_outq.c_cf; |
| 1604 | |
| 1605 | if (!(scr->scr_flags & SCR_GRAPHICS)) { |
| 1606 | KASSERT(WSSCREEN_HAS_EMULATOR(scr)); |
| 1607 | (*scr->scr_dconf->wsemul->output) |
| 1608 | (scr->scr_dconf->wsemulcookie, tbuf, n, 0); |
| 1609 | } |
| 1610 | ndflush(&tp->t_outq, n); |
| 1611 | } |
| 1612 | |
| 1613 | #ifdef DIAGNOSTIC |
| 1614 | scr->scr_in_ttyoutput = 0; |
| 1615 | #endif |
| 1616 | |
| 1617 | s = spltty(); |
| 1618 | tp->t_state &= ~TS_BUSY; |
| 1619 | /* Come back if there's more to do */ |
| 1620 | if (ttypull(tp)) { |
| 1621 | tp->t_state |= TS_TIMEOUT; |
| 1622 | callout_schedule(&tp->t_rstrt_ch, (hz > 128) ? (hz / 128) : 1); |
| 1623 | } |
| 1624 | splx(s); |
| 1625 | } |
| 1626 | |
| 1627 | void |
| 1628 | wsdisplaystop(struct tty *tp, int flag) |
| 1629 | { |
| 1630 | int s; |
| 1631 | |
| 1632 | s = spltty(); |
| 1633 | if (ISSET(tp->t_state, TS_BUSY)) |
| 1634 | if (!ISSET(tp->t_state, TS_TTSTOP)) |
| 1635 | SET(tp->t_state, TS_FLUSH); |
| 1636 | splx(s); |
| 1637 | } |
| 1638 | |
| 1639 | /* Set line parameters. */ |
| 1640 | int |
| 1641 | wsdisplayparam(struct tty *tp, struct termios *t) |
| 1642 | { |
| 1643 | |
| 1644 | tp->t_ispeed = t->c_ispeed; |
| 1645 | tp->t_ospeed = t->c_ospeed; |
| 1646 | tp->t_cflag = t->c_cflag; |
| 1647 | return 0; |
| 1648 | } |
| 1649 | |
| 1650 | /* |
| 1651 | * Callbacks for the emulation code. |
| 1652 | */ |
| 1653 | void |
| 1654 | wsdisplay_emulbell(void *v) |
| 1655 | { |
| 1656 | struct wsscreen *scr = v; |
| 1657 | |
| 1658 | if (scr == NULL) /* console, before real attach */ |
| 1659 | return; |
| 1660 | |
| 1661 | if (scr->scr_flags & SCR_GRAPHICS) /* can this happen? */ |
| 1662 | return; |
| 1663 | |
| 1664 | (void) wsdisplay_internal_ioctl(scr->sc, scr, WSKBDIO_BELL, NULL, |
| 1665 | FWRITE, NULL); |
| 1666 | } |
| 1667 | |
| 1668 | void |
| 1669 | wsdisplay_emulinput(void *v, const u_char *data, u_int count) |
| 1670 | { |
| 1671 | struct wsscreen *scr = v; |
| 1672 | struct tty *tp; |
| 1673 | int (*ifcn)(int, struct tty *); |
| 1674 | |
| 1675 | if (v == NULL) /* console, before real attach */ |
| 1676 | return; |
| 1677 | |
| 1678 | if (scr->scr_flags & SCR_GRAPHICS) /* XXX can't happen */ |
| 1679 | return; |
| 1680 | if (!WSSCREEN_HAS_TTY(scr)) |
| 1681 | return; |
| 1682 | |
| 1683 | tp = scr->scr_tty; |
| 1684 | |
| 1685 | /* |
| 1686 | * XXX bad hack to work around locking problems in tty.c: |
| 1687 | * ttyinput() will try to lock again, causing deadlock. |
| 1688 | * We assume that wsdisplay_emulinput() can only be called |
| 1689 | * from within wsdisplaystart(), and thus the tty lock |
| 1690 | * is already held. Use an entry point which doesn't lock. |
| 1691 | */ |
| 1692 | KASSERT(scr->scr_in_ttyoutput); |
| 1693 | ifcn = tp->t_linesw->l_rint; |
| 1694 | if (ifcn == ttyinput) |
| 1695 | ifcn = ttyinput_wlock; |
| 1696 | |
| 1697 | while (count-- > 0) |
| 1698 | (*ifcn)(*data++, tp); |
| 1699 | } |
| 1700 | |
| 1701 | /* |
| 1702 | * Calls from the keyboard interface. |
| 1703 | */ |
| 1704 | void |
| 1705 | wsdisplay_kbdinput(device_t dv, keysym_t ks) |
| 1706 | { |
| 1707 | struct wsdisplay_softc *sc = device_private(dv); |
| 1708 | struct wsscreen *scr; |
| 1709 | const char *dp; |
| 1710 | int count; |
| 1711 | struct tty *tp; |
| 1712 | |
| 1713 | KASSERT(sc != NULL); |
| 1714 | |
| 1715 | scr = sc->sc_focus; |
| 1716 | |
| 1717 | if (!scr || !WSSCREEN_HAS_TTY(scr)) |
| 1718 | return; |
| 1719 | |
| 1720 | tp = scr->scr_tty; |
| 1721 | |
| 1722 | if (KS_GROUP(ks) == KS_GROUP_Plain && KS_VALUE(ks) <= 0x7f) |
| 1723 | (*tp->t_linesw->l_rint)(KS_VALUE(ks), tp); |
| 1724 | else if (WSSCREEN_HAS_EMULATOR(scr)) { |
| 1725 | count = (*scr->scr_dconf->wsemul->translate) |
| 1726 | (scr->scr_dconf->wsemulcookie, ks, &dp); |
| 1727 | while (count-- > 0) |
| 1728 | (*tp->t_linesw->l_rint)((unsigned char)(*dp++), tp); |
| 1729 | } |
| 1730 | } |
| 1731 | |
| 1732 | #if defined(WSDISPLAY_COMPAT_RAWKBD) |
| 1733 | int |
| 1734 | wsdisplay_update_rawkbd(struct wsdisplay_softc *sc, struct wsscreen *scr) |
| 1735 | { |
| 1736 | #if NWSKBD > 0 |
| 1737 | int s, raw, data, error; |
| 1738 | struct wsevsrc *inp; |
| 1739 | |
| 1740 | s = spltty(); |
| 1741 | |
| 1742 | raw = (scr ? scr->scr_rawkbd : 0); |
| 1743 | |
| 1744 | if (scr != sc->sc_focus || |
| 1745 | sc->sc_rawkbd == raw) { |
| 1746 | splx(s); |
| 1747 | return (0); |
| 1748 | } |
| 1749 | |
| 1750 | data = raw ? WSKBD_RAW : WSKBD_TRANSLATED; |
| 1751 | inp = sc->sc_input; |
| 1752 | if (inp == NULL) { |
| 1753 | splx(s); |
| 1754 | return (ENXIO); |
| 1755 | } |
| 1756 | error = wsevsrc_display_ioctl(inp, WSKBDIO_SETMODE, &data, 0, 0); |
| 1757 | if (!error) |
| 1758 | sc->sc_rawkbd = raw; |
| 1759 | splx(s); |
| 1760 | return (error); |
| 1761 | #else |
| 1762 | return (0); |
| 1763 | #endif |
| 1764 | } |
| 1765 | #endif |
| 1766 | |
| 1767 | static void |
| 1768 | wsdisplay_switch3_cb(void *arg, int error, int waitok) |
| 1769 | { |
| 1770 | device_t dv = arg; |
| 1771 | |
| 1772 | wsdisplay_switch3(dv, error, waitok); |
| 1773 | } |
| 1774 | |
| 1775 | static int |
| 1776 | wsdisplay_switch3(device_t dv, int error, int waitok) |
| 1777 | { |
| 1778 | struct wsdisplay_softc *sc = device_private(dv); |
| 1779 | int no; |
| 1780 | struct wsscreen *scr; |
| 1781 | |
| 1782 | if (!(sc->sc_flags & SC_SWITCHPENDING)) { |
| 1783 | aprint_error_dev(dv, "wsdisplay_switch3: not switching\n" ); |
| 1784 | return (EINVAL); |
| 1785 | } |
| 1786 | |
| 1787 | no = sc->sc_screenwanted; |
| 1788 | if (no < 0 || no >= WSDISPLAY_MAXSCREEN) |
| 1789 | panic("wsdisplay_switch3: invalid screen %d" , no); |
| 1790 | scr = sc->sc_scr[no]; |
| 1791 | if (!scr) { |
| 1792 | aprint_error_dev(dv, |
| 1793 | "wsdisplay_switch3: screen %d disappeared\n" , no); |
| 1794 | error = ENXIO; |
| 1795 | } |
| 1796 | |
| 1797 | if (error) { |
| 1798 | /* try to recover, avoid recursion */ |
| 1799 | |
| 1800 | if (sc->sc_oldscreen == WSDISPLAY_NULLSCREEN) { |
| 1801 | aprint_error_dev(dv, "wsdisplay_switch3: giving up\n" ); |
| 1802 | sc->sc_focus = 0; |
| 1803 | #ifdef WSDISPLAY_COMPAT_RAWKBD |
| 1804 | wsdisplay_update_rawkbd(sc, 0); |
| 1805 | #endif |
| 1806 | sc->sc_flags &= ~SC_SWITCHPENDING; |
| 1807 | return (error); |
| 1808 | } |
| 1809 | |
| 1810 | sc->sc_screenwanted = sc->sc_oldscreen; |
| 1811 | sc->sc_oldscreen = WSDISPLAY_NULLSCREEN; |
| 1812 | return (wsdisplay_switch1(dv, 0, waitok)); |
| 1813 | } |
| 1814 | |
| 1815 | if (scr->scr_syncops && !error) |
| 1816 | sc->sc_flags |= SC_XATTACHED; |
| 1817 | |
| 1818 | sc->sc_flags &= ~SC_SWITCHPENDING; |
| 1819 | |
| 1820 | if (!error && (scr->scr_flags & SCR_WAITACTIVE)) |
| 1821 | wakeup(scr); |
| 1822 | return (error); |
| 1823 | } |
| 1824 | |
| 1825 | static void |
| 1826 | wsdisplay_switch2_cb(void *arg, int error, int waitok) |
| 1827 | { |
| 1828 | device_t dv = arg; |
| 1829 | |
| 1830 | wsdisplay_switch2(dv, error, waitok); |
| 1831 | } |
| 1832 | |
| 1833 | static int |
| 1834 | wsdisplay_switch2(device_t dv, int error, int waitok) |
| 1835 | { |
| 1836 | struct wsdisplay_softc *sc = device_private(dv); |
| 1837 | int no; |
| 1838 | struct wsscreen *scr; |
| 1839 | |
| 1840 | if (!(sc->sc_flags & SC_SWITCHPENDING)) { |
| 1841 | aprint_error_dev(dv, "wsdisplay_switch2: not switching\n" ); |
| 1842 | return (EINVAL); |
| 1843 | } |
| 1844 | |
| 1845 | no = sc->sc_screenwanted; |
| 1846 | if (no < 0 || no >= WSDISPLAY_MAXSCREEN) |
| 1847 | panic("wsdisplay_switch2: invalid screen %d" , no); |
| 1848 | scr = sc->sc_scr[no]; |
| 1849 | if (!scr) { |
| 1850 | aprint_error_dev(dv, |
| 1851 | "wsdisplay_switch2: screen %d disappeared\n" , no); |
| 1852 | error = ENXIO; |
| 1853 | } |
| 1854 | |
| 1855 | if (error) { |
| 1856 | /* try to recover, avoid recursion */ |
| 1857 | |
| 1858 | if (sc->sc_oldscreen == WSDISPLAY_NULLSCREEN) { |
| 1859 | aprint_error_dev(dv, "wsdisplay_switch2: giving up\n" ); |
| 1860 | sc->sc_focus = 0; |
| 1861 | sc->sc_flags &= ~SC_SWITCHPENDING; |
| 1862 | return (error); |
| 1863 | } |
| 1864 | |
| 1865 | sc->sc_screenwanted = sc->sc_oldscreen; |
| 1866 | sc->sc_oldscreen = WSDISPLAY_NULLSCREEN; |
| 1867 | return (wsdisplay_switch1(dv, 0, waitok)); |
| 1868 | } |
| 1869 | |
| 1870 | sc->sc_focusidx = no; |
| 1871 | sc->sc_focus = scr; |
| 1872 | |
| 1873 | #ifdef WSDISPLAY_COMPAT_RAWKBD |
| 1874 | (void) wsdisplay_update_rawkbd(sc, scr); |
| 1875 | #endif |
| 1876 | /* keyboard map??? */ |
| 1877 | |
| 1878 | if (scr->scr_syncops && |
| 1879 | !(sc->sc_isconsole && wsdisplay_cons_pollmode)) { |
| 1880 | error = (*scr->scr_syncops->attach)(scr->scr_synccookie, waitok, |
| 1881 | wsdisplay_switch3_cb, dv); |
| 1882 | if (error == EAGAIN) { |
| 1883 | /* switch will be done asynchronously */ |
| 1884 | return (0); |
| 1885 | } |
| 1886 | } |
| 1887 | |
| 1888 | return (wsdisplay_switch3(dv, error, waitok)); |
| 1889 | } |
| 1890 | |
| 1891 | static void |
| 1892 | wsdisplay_switch1_cb(void *arg, int error, int waitok) |
| 1893 | { |
| 1894 | device_t dv = arg; |
| 1895 | |
| 1896 | wsdisplay_switch1(dv, error, waitok); |
| 1897 | } |
| 1898 | |
| 1899 | static int |
| 1900 | wsdisplay_switch1(device_t dv, int error, int waitok) |
| 1901 | { |
| 1902 | struct wsdisplay_softc *sc = device_private(dv); |
| 1903 | int no; |
| 1904 | struct wsscreen *scr; |
| 1905 | |
| 1906 | if (!(sc->sc_flags & SC_SWITCHPENDING)) { |
| 1907 | aprint_error_dev(dv, "wsdisplay_switch1: not switching\n" ); |
| 1908 | return (EINVAL); |
| 1909 | } |
| 1910 | |
| 1911 | no = sc->sc_screenwanted; |
| 1912 | if (no == WSDISPLAY_NULLSCREEN) { |
| 1913 | sc->sc_flags &= ~SC_SWITCHPENDING; |
| 1914 | if (!error) { |
| 1915 | sc->sc_flags &= ~SC_XATTACHED; |
| 1916 | sc->sc_focus = 0; |
| 1917 | } |
| 1918 | wakeup(sc); |
| 1919 | return (error); |
| 1920 | } |
| 1921 | if (no < 0 || no >= WSDISPLAY_MAXSCREEN) |
| 1922 | panic("wsdisplay_switch1: invalid screen %d" , no); |
| 1923 | scr = sc->sc_scr[no]; |
| 1924 | if (!scr) { |
| 1925 | aprint_error_dev(dv, |
| 1926 | "wsdisplay_switch1: screen %d disappeared\n" , no); |
| 1927 | error = ENXIO; |
| 1928 | } |
| 1929 | |
| 1930 | if (error) { |
| 1931 | sc->sc_flags &= ~SC_SWITCHPENDING; |
| 1932 | return (error); |
| 1933 | } |
| 1934 | |
| 1935 | sc->sc_flags &= ~SC_XATTACHED; |
| 1936 | |
| 1937 | error = (*sc->sc_accessops->show_screen)(sc->sc_accesscookie, |
| 1938 | scr->scr_dconf->emulcookie, |
| 1939 | waitok, |
| 1940 | sc->sc_isconsole && wsdisplay_cons_pollmode ? 0 : wsdisplay_switch2_cb, dv); |
| 1941 | if (error == EAGAIN) { |
| 1942 | /* switch will be done asynchronously */ |
| 1943 | return (0); |
| 1944 | } |
| 1945 | |
| 1946 | return (wsdisplay_switch2(dv, error, waitok)); |
| 1947 | } |
| 1948 | |
| 1949 | int |
| 1950 | wsdisplay_switch(device_t dv, int no, int waitok) |
| 1951 | { |
| 1952 | struct wsdisplay_softc *sc = device_private(dv); |
| 1953 | int s, res = 0; |
| 1954 | struct wsscreen *scr; |
| 1955 | |
| 1956 | if (no != WSDISPLAY_NULLSCREEN) { |
| 1957 | if ((no < 0 || no >= WSDISPLAY_MAXSCREEN)) |
| 1958 | return (EINVAL); |
| 1959 | if (sc->sc_scr[no] == NULL) |
| 1960 | return (ENXIO); |
| 1961 | } |
| 1962 | |
| 1963 | wsdisplay_stat_inject(dv, WSCONS_EVENT_SCREEN_SWITCH, no); |
| 1964 | |
| 1965 | s = spltty(); |
| 1966 | |
| 1967 | if ((sc->sc_focus && no == sc->sc_focusidx) || |
| 1968 | (sc->sc_focus == NULL && no == WSDISPLAY_NULLSCREEN)) { |
| 1969 | splx(s); |
| 1970 | return (0); |
| 1971 | } |
| 1972 | |
| 1973 | if (sc->sc_flags & SC_SWITCHPENDING) { |
| 1974 | splx(s); |
| 1975 | return (EBUSY); |
| 1976 | } |
| 1977 | |
| 1978 | sc->sc_flags |= SC_SWITCHPENDING; |
| 1979 | sc->sc_screenwanted = no; |
| 1980 | |
| 1981 | splx(s); |
| 1982 | |
| 1983 | scr = sc->sc_focus; |
| 1984 | if (!scr) { |
| 1985 | sc->sc_oldscreen = WSDISPLAY_NULLSCREEN; |
| 1986 | return (wsdisplay_switch1(dv, 0, waitok)); |
| 1987 | } else |
| 1988 | sc->sc_oldscreen = sc->sc_focusidx; |
| 1989 | |
| 1990 | if (scr->scr_syncops) { |
| 1991 | if (!(sc->sc_flags & SC_XATTACHED) || |
| 1992 | (sc->sc_isconsole && wsdisplay_cons_pollmode)) { |
| 1993 | /* nothing to do here */ |
| 1994 | return (wsdisplay_switch1(dv, 0, waitok)); |
| 1995 | } |
| 1996 | res = (*scr->scr_syncops->detach)(scr->scr_synccookie, waitok, |
| 1997 | wsdisplay_switch1_cb, dv); |
| 1998 | if (res == EAGAIN) { |
| 1999 | /* switch will be done asynchronously */ |
| 2000 | return (0); |
| 2001 | } |
| 2002 | } else if (scr->scr_flags & SCR_GRAPHICS) { |
| 2003 | /* no way to save state */ |
| 2004 | res = EBUSY; |
| 2005 | } |
| 2006 | |
| 2007 | return (wsdisplay_switch1(dv, res, waitok)); |
| 2008 | } |
| 2009 | |
| 2010 | void |
| 2011 | wsdisplay_reset(device_t dv, enum wsdisplay_resetops op) |
| 2012 | { |
| 2013 | struct wsdisplay_softc *sc = device_private(dv); |
| 2014 | struct wsscreen *scr; |
| 2015 | |
| 2016 | KASSERT(sc != NULL); |
| 2017 | scr = sc->sc_focus; |
| 2018 | |
| 2019 | if (!scr) |
| 2020 | return; |
| 2021 | |
| 2022 | switch (op) { |
| 2023 | case WSDISPLAY_RESETEMUL: |
| 2024 | if (!WSSCREEN_HAS_EMULATOR(scr)) |
| 2025 | break; |
| 2026 | (*scr->scr_dconf->wsemul->reset)(scr->scr_dconf->wsemulcookie, |
| 2027 | WSEMUL_RESET); |
| 2028 | break; |
| 2029 | case WSDISPLAY_RESETCLOSE: |
| 2030 | wsdisplay_closescreen(sc, scr); |
| 2031 | break; |
| 2032 | } |
| 2033 | } |
| 2034 | |
| 2035 | /* |
| 2036 | * Interface for (external) VT switch / process synchronization code |
| 2037 | */ |
| 2038 | int |
| 2039 | wsscreen_attach_sync(struct wsscreen *scr, const struct wscons_syncops *ops, |
| 2040 | void *cookie) |
| 2041 | { |
| 2042 | if (scr->scr_syncops) { |
| 2043 | /* |
| 2044 | * The screen is already claimed. |
| 2045 | * Check if the owner is still alive. |
| 2046 | */ |
| 2047 | if ((*scr->scr_syncops->check)(scr->scr_synccookie)) |
| 2048 | return (EBUSY); |
| 2049 | } |
| 2050 | scr->scr_syncops = ops; |
| 2051 | scr->scr_synccookie = cookie; |
| 2052 | if (scr == scr->sc->sc_focus) |
| 2053 | scr->sc->sc_flags |= SC_XATTACHED; |
| 2054 | return (0); |
| 2055 | } |
| 2056 | |
| 2057 | int |
| 2058 | wsscreen_detach_sync(struct wsscreen *scr) |
| 2059 | { |
| 2060 | if (!scr->scr_syncops) |
| 2061 | return (EINVAL); |
| 2062 | scr->scr_syncops = 0; |
| 2063 | if (scr == scr->sc->sc_focus) |
| 2064 | scr->sc->sc_flags &= ~SC_XATTACHED; |
| 2065 | return (0); |
| 2066 | } |
| 2067 | |
| 2068 | int |
| 2069 | wsscreen_lookup_sync(struct wsscreen *scr, |
| 2070 | const struct wscons_syncops *ops, /* used as ID */ |
| 2071 | void **cookiep) |
| 2072 | { |
| 2073 | if (!scr->scr_syncops || ops != scr->scr_syncops) |
| 2074 | return (EINVAL); |
| 2075 | *cookiep = scr->scr_synccookie; |
| 2076 | return (0); |
| 2077 | } |
| 2078 | |
| 2079 | /* |
| 2080 | * Interface to virtual screen stuff |
| 2081 | */ |
| 2082 | int |
| 2083 | wsdisplay_maxscreenidx(struct wsdisplay_softc *sc) |
| 2084 | { |
| 2085 | return (WSDISPLAY_MAXSCREEN - 1); |
| 2086 | } |
| 2087 | |
| 2088 | int |
| 2089 | wsdisplay_screenstate(struct wsdisplay_softc *sc, int idx) |
| 2090 | { |
| 2091 | if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN) |
| 2092 | return (EINVAL); |
| 2093 | if (!sc->sc_scr[idx]) |
| 2094 | return (ENXIO); |
| 2095 | return ((sc->sc_scr[idx]->scr_flags & SCR_OPEN) ? EBUSY : 0); |
| 2096 | } |
| 2097 | |
| 2098 | int |
| 2099 | wsdisplay_getactivescreen(struct wsdisplay_softc *sc) |
| 2100 | { |
| 2101 | return (sc->sc_focus ? sc->sc_focusidx : WSDISPLAY_NULLSCREEN); |
| 2102 | } |
| 2103 | |
| 2104 | int |
| 2105 | wsscreen_switchwait(struct wsdisplay_softc *sc, int no) |
| 2106 | { |
| 2107 | struct wsscreen *scr; |
| 2108 | int s, res = 0; |
| 2109 | |
| 2110 | if (no == WSDISPLAY_NULLSCREEN) { |
| 2111 | s = spltty(); |
| 2112 | while (sc->sc_focus && res == 0) { |
| 2113 | res = tsleep(sc, PCATCH, "wswait" , 0); |
| 2114 | } |
| 2115 | splx(s); |
| 2116 | return (res); |
| 2117 | } |
| 2118 | |
| 2119 | if (no < 0 || no >= WSDISPLAY_MAXSCREEN) |
| 2120 | return (ENXIO); |
| 2121 | scr = sc->sc_scr[no]; |
| 2122 | if (!scr) |
| 2123 | return (ENXIO); |
| 2124 | |
| 2125 | s = spltty(); |
| 2126 | if (scr != sc->sc_focus) { |
| 2127 | scr->scr_flags |= SCR_WAITACTIVE; |
| 2128 | res = tsleep(scr, PCATCH, "wswait" , 0); |
| 2129 | if (scr != sc->sc_scr[no]) |
| 2130 | res = ENXIO; /* disappeared in the meantime */ |
| 2131 | else |
| 2132 | scr->scr_flags &= ~SCR_WAITACTIVE; |
| 2133 | } |
| 2134 | splx(s); |
| 2135 | return (res); |
| 2136 | } |
| 2137 | |
| 2138 | void |
| 2139 | wsdisplay_kbdholdscreen(device_t dv, int hold) |
| 2140 | { |
| 2141 | struct wsdisplay_softc *sc = device_private(dv); |
| 2142 | struct wsscreen *scr; |
| 2143 | |
| 2144 | scr = sc->sc_focus; |
| 2145 | |
| 2146 | if (!scr) |
| 2147 | return; |
| 2148 | |
| 2149 | if (hold) |
| 2150 | scr->scr_hold_screen = 1; |
| 2151 | else { |
| 2152 | scr->scr_hold_screen = 0; |
| 2153 | callout_schedule(&scr->scr_tty->t_rstrt_ch, 0); |
| 2154 | } |
| 2155 | } |
| 2156 | |
| 2157 | #if NWSKBD > 0 |
| 2158 | void |
| 2159 | wsdisplay_set_console_kbd(struct wsevsrc *src) |
| 2160 | { |
| 2161 | if (wsdisplay_console_device == NULL) { |
| 2162 | src->me_dispdv = NULL; |
| 2163 | return; |
| 2164 | } |
| 2165 | #if NWSMUX > 0 |
| 2166 | if (wsmux_attach_sc((struct wsmux_softc *) |
| 2167 | wsdisplay_console_device->sc_input, src)) { |
| 2168 | src->me_dispdv = NULL; |
| 2169 | return; |
| 2170 | } |
| 2171 | #else |
| 2172 | wsdisplay_console_device->sc_input = src; |
| 2173 | #endif |
| 2174 | src->me_dispdv = wsdisplay_console_device->sc_dev; |
| 2175 | } |
| 2176 | #endif /* NWSKBD > 0 */ |
| 2177 | |
| 2178 | /* |
| 2179 | * Console interface. |
| 2180 | */ |
| 2181 | void |
| 2182 | wsdisplay_cnputc(dev_t dev, int i) |
| 2183 | { |
| 2184 | struct wsscreen_internal *dc; |
| 2185 | u_char c = i; |
| 2186 | |
| 2187 | if (!wsdisplay_console_initted) |
| 2188 | return; |
| 2189 | |
| 2190 | if ((wsdisplay_console_device != NULL) && |
| 2191 | (wsdisplay_console_device->sc_scr[0] != NULL) && |
| 2192 | (wsdisplay_console_device->sc_scr[0]->scr_flags & SCR_GRAPHICS)) |
| 2193 | return; |
| 2194 | |
| 2195 | dc = &wsdisplay_console_conf; |
| 2196 | (*dc->wsemul->output)(dc->wsemulcookie, &c, 1, 1); |
| 2197 | } |
| 2198 | |
| 2199 | static int |
| 2200 | wsdisplay_getc_dummy(dev_t dev) |
| 2201 | { |
| 2202 | /* panic? */ |
| 2203 | return (0); |
| 2204 | } |
| 2205 | |
| 2206 | static void |
| 2207 | wsdisplay_pollc(dev_t dev, int on) |
| 2208 | { |
| 2209 | |
| 2210 | wsdisplay_cons_pollmode = on; |
| 2211 | |
| 2212 | /* notify to fb drivers */ |
| 2213 | if (wsdisplay_console_device != NULL && |
| 2214 | wsdisplay_console_device->sc_accessops->pollc != NULL) |
| 2215 | (*wsdisplay_console_device->sc_accessops->pollc) |
| 2216 | (wsdisplay_console_device->sc_accesscookie, on); |
| 2217 | |
| 2218 | /* notify to kbd drivers */ |
| 2219 | if (wsdisplay_cons_kbd_pollc) |
| 2220 | (*wsdisplay_cons_kbd_pollc)(NODEV, on); |
| 2221 | } |
| 2222 | |
| 2223 | void |
| 2224 | wsdisplay_set_cons_kbd(int (*get)(dev_t), void (*poll)(dev_t, int), |
| 2225 | void (*bell)(dev_t, u_int, u_int, u_int)) |
| 2226 | { |
| 2227 | wsdisplay_cons.cn_getc = get; |
| 2228 | wsdisplay_cons.cn_bell = bell; |
| 2229 | wsdisplay_cons_kbd_pollc = poll; |
| 2230 | } |
| 2231 | |
| 2232 | void |
| 2233 | wsdisplay_unset_cons_kbd(void) |
| 2234 | { |
| 2235 | wsdisplay_cons.cn_getc = wsdisplay_getc_dummy; |
| 2236 | wsdisplay_cons.cn_bell = NULL; |
| 2237 | wsdisplay_cons_kbd_pollc = 0; |
| 2238 | } |
| 2239 | |