1 /*- 2 * (MPSAFE) 3 * 4 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer as 12 * the first lines of this file unmodified. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 * 30 * $FreeBSD: src/sys/dev/fb/fb.c,v 1.11.2.2 2000/08/02 22:35:22 peter Exp $ 31 * $DragonFly: src/sys/dev/video/fb/fb.c,v 1.19 2008/01/09 21:29:11 swildner Exp $ 32 */ 33 34 #include "opt_fb.h" 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/conf.h> 39 #include <sys/bus.h> 40 #include <sys/kernel.h> 41 #include <sys/malloc.h> 42 #include <sys/uio.h> 43 #include <sys/fbio.h> 44 #include <sys/linker_set.h> 45 #include <sys/device.h> 46 #include <sys/thread2.h> 47 48 #include <vm/vm.h> 49 #include <vm/pmap.h> 50 51 #include "fbreg.h" 52 53 SET_DECLARE(videodriver_set, const video_driver_t); 54 55 /* local arrays */ 56 57 /* 58 * We need at least one entry each in order to initialize a video card 59 * for the kernel console. The arrays will be increased dynamically 60 * when necessary. 61 */ 62 63 static int vid_malloc; 64 static int adapters = 1; 65 static video_adapter_t *adp_ini; 66 static video_adapter_t **adapter = &adp_ini; 67 static video_switch_t *vidsw_ini; 68 video_switch_t **vidsw = &vidsw_ini; 69 70 #ifdef FB_INSTALL_CDEV 71 static cdev_t vidcdevsw_ini; 72 static cdev_t *vidcdevsw = &vidcdevsw_ini; 73 #endif 74 75 #define ARRAY_DELTA 4 76 77 static int 78 vid_realloc_array(void) 79 { 80 video_adapter_t **new_adp; 81 video_switch_t **new_vidsw; 82 #ifdef FB_INSTALL_CDEV 83 cdev_t *new_cdevsw; 84 #endif 85 int newsize; 86 87 if (!vid_malloc) 88 return ENOMEM; 89 90 crit_enter(); 91 newsize = ((adapters + ARRAY_DELTA)/ARRAY_DELTA)*ARRAY_DELTA; 92 new_adp = kmalloc(sizeof(*new_adp)*newsize, M_DEVBUF, M_WAITOK | M_ZERO); 93 new_vidsw = kmalloc(sizeof(*new_vidsw)*newsize, M_DEVBUF, 94 M_WAITOK | M_ZERO); 95 #ifdef FB_INSTALL_CDEV 96 new_cdevsw = kmalloc(sizeof(*new_cdevsw)*newsize, M_DEVBUF, 97 M_WAITOK | M_ZERO); 98 #endif 99 bcopy(adapter, new_adp, sizeof(*adapter)*adapters); 100 bcopy(vidsw, new_vidsw, sizeof(*vidsw)*adapters); 101 #ifdef FB_INSTALL_CDEV 102 bcopy(vidcdevsw, new_cdevsw, sizeof(*vidcdevsw)*adapters); 103 #endif 104 if (adapters > 1) { 105 kfree(adapter, M_DEVBUF); 106 kfree(vidsw, M_DEVBUF); 107 #ifdef FB_INSTALL_CDEV 108 kfree(vidcdevsw, M_DEVBUF); 109 #endif 110 } 111 adapter = new_adp; 112 vidsw = new_vidsw; 113 #ifdef FB_INSTALL_CDEV 114 vidcdevsw = new_cdevsw; 115 #endif 116 adapters = newsize; 117 crit_exit(); 118 119 if (bootverbose) 120 kprintf("fb: new array size %d\n", adapters); 121 122 return 0; 123 } 124 125 static void 126 vid_malloc_init(void *arg) 127 { 128 vid_malloc = TRUE; 129 } 130 131 SYSINIT(vid_mem, SI_BOOT1_POST, SI_ORDER_ANY, vid_malloc_init, NULL); 132 133 /* 134 * Low-level frame buffer driver functions 135 * frame buffer subdrivers, such as the VGA driver, call these functions 136 * to initialize the video_adapter structure and register it to the virtual 137 * frame buffer driver `fb'. 138 */ 139 140 /* initialize the video_adapter_t structure */ 141 void 142 vid_init_struct(video_adapter_t *adp, char *name, int type, int unit) 143 { 144 adp->va_flags = 0; 145 adp->va_name = name; 146 adp->va_type = type; 147 adp->va_unit = unit; 148 } 149 150 /* Register a video adapter */ 151 int 152 vid_register(video_adapter_t *adp) 153 { 154 const video_driver_t **list; 155 const video_driver_t *p; 156 int index; 157 158 for (index = 0; index < adapters; ++index) { 159 if (adapter[index] == NULL) 160 break; 161 } 162 if (index >= adapters) { 163 if (vid_realloc_array()) 164 return -1; 165 } 166 167 adp->va_index = index; 168 adp->va_token = NULL; 169 lwkt_gettoken(&tty_token); 170 SET_FOREACH(list, videodriver_set) { 171 p = *list; 172 if (strcmp(p->name, adp->va_name) == 0) { 173 adapter[index] = adp; 174 vidsw[index] = p->vidsw; 175 lwkt_reltoken(&tty_token); 176 return index; 177 } 178 } 179 180 lwkt_reltoken(&tty_token); 181 return -1; 182 } 183 184 int 185 vid_unregister(video_adapter_t *adp) 186 { 187 lwkt_gettoken(&tty_token); 188 if ((adp->va_index < 0) || (adp->va_index >= adapters)) { 189 lwkt_reltoken(&tty_token); 190 return ENOENT; 191 } 192 if (adapter[adp->va_index] != adp) { 193 lwkt_reltoken(&tty_token); 194 return ENOENT; 195 } 196 197 adapter[adp->va_index] = NULL; 198 vidsw[adp->va_index] = NULL; 199 lwkt_reltoken(&tty_token); 200 return 0; 201 } 202 203 /* Get video I/O function table */ 204 video_switch_t * 205 vid_get_switch(char *name) 206 { 207 const video_driver_t **list; 208 const video_driver_t *p; 209 210 lwkt_gettoken(&tty_token); 211 SET_FOREACH(list, videodriver_set) { 212 p = *list; 213 if (strcmp(p->name, name) == 0) { 214 lwkt_reltoken(&tty_token); 215 return p->vidsw; 216 } 217 } 218 219 lwkt_reltoken(&tty_token); 220 return NULL; 221 } 222 223 /* 224 * Video card client functions 225 * Video card clients, such as the console driver `syscons' and the frame 226 * buffer cdev driver, use these functions to claim and release a card for 227 * exclusive use. 228 */ 229 230 /* find the video card specified by a driver name and a unit number */ 231 int 232 vid_find_adapter(char *driver, int unit) 233 { 234 int i; 235 236 for (i = 0; i < adapters; ++i) { 237 if (adapter[i] == NULL) 238 continue; 239 if (strcmp("*", driver) && strcmp(adapter[i]->va_name, driver)) 240 continue; 241 if ((unit != -1) && (adapter[i]->va_unit != unit)) 242 continue; 243 return i; 244 } 245 return -1; 246 } 247 248 /* allocate a video card */ 249 int 250 vid_allocate(char *driver, int unit, void *id) 251 { 252 int index; 253 254 crit_enter(); 255 index = vid_find_adapter(driver, unit); 256 if (index >= 0) { 257 if (adapter[index]->va_token) { 258 crit_exit(); 259 return -1; 260 } 261 adapter[index]->va_token = id; 262 } 263 crit_exit(); 264 return index; 265 } 266 267 int 268 vid_release(video_adapter_t *adp, void *id) 269 { 270 int error; 271 272 crit_enter(); 273 if (adp->va_token == NULL) { 274 error = EINVAL; 275 } else if (adp->va_token != id) { 276 error = EPERM; 277 } else { 278 adp->va_token = NULL; 279 error = 0; 280 } 281 crit_exit(); 282 return error; 283 } 284 285 /* Get a video adapter structure */ 286 video_adapter_t * 287 vid_get_adapter(int index) 288 { 289 if ((index < 0) || (index >= adapters)) 290 return NULL; 291 return adapter[index]; 292 } 293 294 /* Configure drivers: this is a backdoor for the console driver XXX */ 295 int 296 vid_configure(int flags) 297 { 298 const video_driver_t **list; 299 const video_driver_t *p; 300 301 SET_FOREACH(list, videodriver_set) { 302 p = *list; 303 if (p->configure != NULL) 304 (*p->configure)(flags); 305 } 306 307 return 0; 308 } 309 310 /* 311 * Virtual frame buffer cdev driver functions 312 * The virtual frame buffer driver dispatches driver functions to 313 * appropriate subdrivers. 314 */ 315 316 #define FB_DRIVER_NAME "fb" 317 318 #ifdef FB_INSTALL_CDEV 319 320 #if experimental 321 322 static devclass_t fb_devclass; 323 324 static int fbprobe(device_t dev); 325 static int fbattach(device_t dev); 326 327 static device_method_t fb_methods[] = { 328 DEVMETHOD(device_probe, fbprobe), 329 DEVMETHOD(device_attach, fbattach), 330 331 DEVMETHOD(bus_print_child, bus_generic_print_child), 332 { 0, 0 } 333 }; 334 335 static driver_t fb_driver = { 336 FB_DRIVER_NAME, 337 fb_methods, 338 0, 339 }; 340 341 static int 342 fbprobe(device_t dev) 343 { 344 int unit; 345 346 unit = device_get_unit(dev); 347 if (unit >= adapters) 348 return ENXIO; 349 if (adapter[unit] == NULL) 350 return ENXIO; 351 352 device_set_desc(dev, "generic frame buffer"); 353 return 0; 354 } 355 356 static int 357 fbattach(device_t dev) 358 { 359 kprintf("fbattach: about to attach children\n"); 360 bus_generic_attach(dev); 361 return 0; 362 } 363 364 #endif /* experimental */ 365 366 #define FB_UNIT(dev) minor(dev) 367 #define FB_MKMINOR(unit) (u) 368 369 #if 0 370 static d_default_t fboperate; 371 static d_open_t fbopen; 372 373 #define CDEV_MAJOR 123 /* XXX */ 374 375 static struct dev_ops fb_ops = { 376 { FB_DRIVER_NAME, CDEV_MAJOR, 0 }, 377 .d_default = fboperate, 378 .d_open = fbopen 379 }; 380 #endif 381 382 static void 383 vfbattach(void *arg) 384 { 385 static int fb_devsw_installed = FALSE; 386 387 if (!fb_devsw_installed) { 388 #if 0 389 dev_ops_add(&fb_ops, 0, 0); 390 #endif 391 fb_devsw_installed = TRUE; 392 } 393 } 394 395 PSEUDO_SET(vfbattach, fb); 396 397 /* 398 * Note: dev represents the actual video device, not the frame buffer 399 */ 400 int 401 fb_attach(cdev_t dev, video_adapter_t *adp) 402 { 403 if (adp->va_index >= adapters) 404 return EINVAL; 405 if (adapter[adp->va_index] != adp) 406 return EINVAL; 407 408 crit_enter(); 409 reference_dev(dev); 410 adp->va_minor = minor(dev); 411 vidcdevsw[adp->va_index] = dev; 412 crit_exit(); 413 414 kprintf("fb%d at %s%d\n", adp->va_index, adp->va_name, adp->va_unit); 415 return 0; 416 } 417 418 /* 419 * Note: dev represents the actual video device, not the frame buffer 420 */ 421 int 422 fb_detach(cdev_t dev, video_adapter_t *adp) 423 { 424 if (adp->va_index >= adapters) 425 return EINVAL; 426 if (adapter[adp->va_index] != adp) 427 return EINVAL; 428 if (vidcdevsw[adp->va_index] != dev) 429 return EINVAL; 430 431 crit_enter(); 432 vidcdevsw[adp->va_index] = NULL; 433 crit_exit(); 434 release_dev(dev); 435 return 0; 436 } 437 438 #if 0 439 static int 440 fbopen(struct dev_open_args *ap) 441 { 442 cdev_t dev = ap->a_head.a_dev; 443 int unit; 444 cdev_t fdev; 445 446 unit = FB_UNIT(dev); 447 if (unit < 0 || unit >= adapters) 448 return ENXIO; 449 if ((fdev = vidcdevsw[unit]) == NULL) 450 return ENXIO; 451 return dev_dopen(fdev, ap->a_oflags, ap->a_devtype, ap->a_cred); 452 } 453 454 static int 455 fboperate(struct dev_generic_args *ap) 456 { 457 cdev_t dev = ap->a_dev; 458 int unit; 459 cdev_t fdev; 460 461 unit = FB_UNIT(dev); 462 if ((fdev = vidcdevsw[unit]) == NULL) 463 return ENXIO; 464 ap->a_dev = fdev; 465 return dev_doperate(ap); 466 } 467 #endif 468 469 /* 470 * Generic frame buffer cdev driver functions 471 * Frame buffer subdrivers may call these functions to implement common 472 * driver functions. 473 */ 474 475 int genfbopen(genfb_softc_t *sc, video_adapter_t *adp, int flag, int mode, 476 struct ucred *cred) 477 { 478 crit_enter(); 479 if (!(sc->gfb_flags & FB_OPEN)) 480 sc->gfb_flags |= FB_OPEN; 481 crit_exit(); 482 return 0; 483 } 484 485 int genfbclose(genfb_softc_t *sc, video_adapter_t *adp, int flag, int mode) 486 { 487 crit_enter(); 488 sc->gfb_flags &= ~FB_OPEN; 489 crit_exit(); 490 return 0; 491 } 492 493 int genfbread(genfb_softc_t *sc, video_adapter_t *adp, struct uio *uio, 494 int flag) 495 { 496 int size; 497 int offset; 498 int error; 499 int len; 500 501 lwkt_gettoken(&tty_token); 502 error = 0; 503 size = adp->va_buffer_size/adp->va_info.vi_planes; 504 while (uio->uio_resid > 0) { 505 if (uio->uio_offset >= size) 506 break; 507 offset = uio->uio_offset%adp->va_window_size; 508 len = (int)szmin(uio->uio_resid, size - uio->uio_offset); 509 len = imin(len, adp->va_window_size - offset); 510 if (len <= 0) 511 break; 512 (*vidsw[adp->va_index]->set_win_org)(adp, uio->uio_offset); 513 error = uiomove((caddr_t)(adp->va_window + offset), 514 (size_t)len, uio); 515 if (error) 516 break; 517 } 518 lwkt_reltoken(&tty_token); 519 return error; 520 } 521 522 int genfbwrite(genfb_softc_t *sc, video_adapter_t *adp, struct uio *uio, 523 int flag) 524 { 525 return ENODEV; 526 } 527 528 int genfbioctl(genfb_softc_t *sc, video_adapter_t *adp, u_long cmd, 529 caddr_t arg, int flag, struct ucred *cred) 530 { 531 int error; 532 533 if (adp == NULL) /* XXX */ 534 return ENXIO; 535 lwkt_gettoken(&tty_token); 536 error = (*vidsw[adp->va_index]->ioctl)(adp, cmd, arg); 537 if (error == ENOIOCTL) 538 error = ENODEV; 539 lwkt_reltoken(&tty_token); 540 return error; 541 } 542 543 int genfbmmap(genfb_softc_t *sc, video_adapter_t *adp, vm_offset_t offset, 544 int prot) 545 { 546 int error; 547 548 lwkt_gettoken(&tty_token); 549 error = (*vidsw[adp->va_index]->mmap)(adp, offset, prot); 550 lwkt_reltoken(&tty_token); 551 return (error); 552 } 553 554 #endif /* FB_INSTALL_CDEV */ 555 556 static char * 557 adapter_name(int type) 558 { 559 static struct { 560 int type; 561 char *name; 562 } names[] = { 563 { KD_MONO, "MDA" }, 564 { KD_HERCULES, "Hercules" }, 565 { KD_CGA, "CGA" }, 566 { KD_EGA, "EGA" }, 567 { KD_VGA, "VGA" }, 568 { KD_TGA, "TGA" }, 569 { -1, "Unknown" }, 570 }; 571 int i; 572 573 for (i = 0; names[i].type != -1; ++i) 574 if (names[i].type == type) 575 break; 576 return names[i].name; 577 } 578 579 /* 580 * Generic low-level frame buffer functions 581 * The low-level functions in the frame buffer subdriver may use these 582 * functions. 583 */ 584 585 void 586 fb_dump_adp_info(char *driver, video_adapter_t *adp, int level) 587 { 588 if (level <= 0) 589 return; 590 591 kprintf("%s%d: %s%d, %s, type:%s (%d), flags:0x%x\n", 592 FB_DRIVER_NAME, adp->va_index, driver, adp->va_unit, adp->va_name, 593 adapter_name(adp->va_type), adp->va_type, adp->va_flags); 594 kprintf("%s%d: port:0x%x-0x%x, mem:0x%x 0x%x\n", 595 FB_DRIVER_NAME, adp->va_index, 596 adp->va_io_base, adp->va_io_base + adp->va_io_size - 1, 597 adp->va_mem_base, adp->va_mem_size); 598 kprintf("%s%d: init mode:%d, bios mode:%d, current mode:%d\n", 599 FB_DRIVER_NAME, adp->va_index, 600 adp->va_initial_mode, adp->va_initial_bios_mode, adp->va_mode); 601 kprintf("%s%d: window:%p size:%dk gran:%dk, buf:%p size:%dk\n", 602 FB_DRIVER_NAME, adp->va_index, 603 (void *)adp->va_window, (int)adp->va_window_size/1024, 604 (int)adp->va_window_gran/1024, (void *)adp->va_buffer, 605 (int)adp->va_buffer_size/1024); 606 } 607 608 void 609 fb_dump_mode_info(char *driver, video_adapter_t *adp, video_info_t *info, 610 int level) 611 { 612 if (level <= 0) 613 return; 614 615 kprintf("%s%d: %s, mode:%d, flags:0x%x ", 616 driver, adp->va_unit, adp->va_name, info->vi_mode, info->vi_flags); 617 if (info->vi_flags & V_INFO_GRAPHICS) 618 kprintf("G %dx%dx%d, %d plane(s), font:%dx%d, ", 619 info->vi_width, info->vi_height, 620 info->vi_depth, info->vi_planes, 621 info->vi_cwidth, info->vi_cheight); 622 else 623 kprintf("T %dx%d, font:%dx%d, ", 624 info->vi_width, info->vi_height, 625 info->vi_cwidth, info->vi_cheight); 626 kprintf("win:0x%x\n", info->vi_window); 627 } 628 629 int 630 fb_type(int adp_type) 631 { 632 static struct { 633 int fb_type; 634 int va_type; 635 } types[] = { 636 { FBTYPE_MDA, KD_MONO }, 637 { FBTYPE_HERCULES, KD_HERCULES }, 638 { FBTYPE_CGA, KD_CGA }, 639 { FBTYPE_EGA, KD_EGA }, 640 { FBTYPE_VGA, KD_VGA }, 641 { FBTYPE_TGA, KD_TGA }, 642 }; 643 int i; 644 645 for (i = 0; i < sizeof(types)/sizeof(types[0]); ++i) { 646 if (types[i].va_type == adp_type) 647 return types[i].fb_type; 648 } 649 return -1; 650 } 651 652 int 653 fb_commonioctl(video_adapter_t *adp, u_long cmd, caddr_t arg) 654 { 655 int error; 656 657 /* assert(adp != NULL) */ 658 659 error = 0; 660 crit_enter(); 661 662 lwkt_gettoken(&tty_token); 663 switch (cmd) { 664 665 case FBIO_ADAPTER: /* get video adapter index */ 666 *(int *)arg = adp->va_index; 667 break; 668 669 case FBIO_ADPTYPE: /* get video adapter type */ 670 *(int *)arg = adp->va_type; 671 break; 672 673 case FBIO_ADPINFO: /* get video adapter info */ 674 ((video_adapter_info_t *)arg)->va_index = adp->va_index; 675 ((video_adapter_info_t *)arg)->va_type = adp->va_type; 676 bcopy(adp->va_name, ((video_adapter_info_t *)arg)->va_name, 677 imin(strlen(adp->va_name) + 1, 678 sizeof(((video_adapter_info_t *)arg)->va_name))); 679 ((video_adapter_info_t *)arg)->va_unit = adp->va_unit; 680 ((video_adapter_info_t *)arg)->va_flags = adp->va_flags; 681 ((video_adapter_info_t *)arg)->va_io_base = adp->va_io_base; 682 ((video_adapter_info_t *)arg)->va_io_size = adp->va_io_size; 683 ((video_adapter_info_t *)arg)->va_mem_base = adp->va_mem_base; 684 ((video_adapter_info_t *)arg)->va_mem_size = adp->va_mem_size; 685 ((video_adapter_info_t *)arg)->va_window 686 #ifdef __i386__ 687 = vtophys(adp->va_window); 688 #else 689 = adp->va_window; 690 #endif 691 ((video_adapter_info_t *)arg)->va_window_size 692 = adp->va_window_size; 693 ((video_adapter_info_t *)arg)->va_window_gran 694 = adp->va_window_gran; 695 ((video_adapter_info_t *)arg)->va_window_orig 696 = adp->va_window_orig; 697 ((video_adapter_info_t *)arg)->va_unused0 698 #ifdef __i386__ 699 = (adp->va_buffer) ? vtophys(adp->va_buffer) : 0; 700 #else 701 = adp->va_buffer; 702 #endif 703 ((video_adapter_info_t *)arg)->va_buffer_size 704 = adp->va_buffer_size; 705 ((video_adapter_info_t *)arg)->va_mode = adp->va_mode; 706 ((video_adapter_info_t *)arg)->va_initial_mode 707 = adp->va_initial_mode; 708 ((video_adapter_info_t *)arg)->va_initial_bios_mode 709 = adp->va_initial_bios_mode; 710 ((video_adapter_info_t *)arg)->va_line_width 711 = adp->va_line_width; 712 ((video_adapter_info_t *)arg)->va_disp_start.x 713 = adp->va_disp_start.x; 714 ((video_adapter_info_t *)arg)->va_disp_start.y 715 = adp->va_disp_start.y; 716 break; 717 718 case FBIO_MODEINFO: /* get mode information */ 719 error = (*vidsw[adp->va_index]->get_info)(adp, 720 ((video_info_t *)arg)->vi_mode, 721 (video_info_t *)arg); 722 if (error) 723 error = ENODEV; 724 break; 725 726 case FBIO_FINDMODE: /* find a matching video mode */ 727 error = (*vidsw[adp->va_index]->query_mode)(adp, 728 (video_info_t *)arg); 729 break; 730 731 case FBIO_GETMODE: /* get video mode */ 732 *(int *)arg = adp->va_mode; 733 break; 734 735 case FBIO_SETMODE: /* set video mode */ 736 error = (*vidsw[adp->va_index]->set_mode)(adp, *(int *)arg); 737 if (error) 738 error = ENODEV; /* EINVAL? */ 739 break; 740 741 case FBIO_GETWINORG: /* get frame buffer window origin */ 742 *(u_int *)arg = adp->va_window_orig; 743 break; 744 745 case FBIO_GETDISPSTART: /* get display start address */ 746 ((video_display_start_t *)arg)->x = adp->va_disp_start.x; 747 ((video_display_start_t *)arg)->y = adp->va_disp_start.y; 748 break; 749 750 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */ 751 *(u_int *)arg = adp->va_line_width; 752 break; 753 754 case FBIO_GETPALETTE: /* get color palette */ 755 case FBIO_SETPALETTE: /* set color palette */ 756 /* XXX */ 757 758 case FBIOPUTCMAP: 759 case FBIOGETCMAP: 760 /* XXX */ 761 762 case FBIO_SETWINORG: /* set frame buffer window origin */ 763 case FBIO_SETDISPSTART: /* set display start address */ 764 case FBIO_SETLINEWIDTH: /* set scan line width in pixel */ 765 766 case FBIOGTYPE: 767 case FBIOGATTR: 768 case FBIOSVIDEO: 769 case FBIOGVIDEO: 770 case FBIOSCURSOR: 771 case FBIOGCURSOR: 772 case FBIOSCURPOS: 773 case FBIOGCURPOS: 774 case FBIOGCURMAX: 775 776 default: 777 error = ENODEV; 778 break; 779 } 780 781 crit_exit(); 782 lwkt_reltoken(&tty_token); 783 return error; 784 } 785