1 /*- 2 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer as 10 * the first lines of this file unmodified. 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. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #include "opt_fb.h" 32 33 #include <sys/param.h> 34 #include <sys/systm.h> 35 #include <sys/conf.h> 36 #include <sys/bus.h> 37 #include <sys/kernel.h> 38 #include <sys/malloc.h> 39 #include <sys/module.h> 40 #include <sys/uio.h> 41 #include <sys/fbio.h> 42 #include <sys/linker_set.h> 43 44 #include <vm/vm.h> 45 #include <vm/pmap.h> 46 47 #include <dev/fb/fbreg.h> 48 49 SET_DECLARE(videodriver_set, const video_driver_t); 50 51 /* local arrays */ 52 53 /* 54 * We need at least one entry each in order to initialize a video card 55 * for the kernel console. The arrays will be increased dynamically 56 * when necessary. 57 */ 58 59 static int vid_malloc; 60 static int adapters = 1; 61 static video_adapter_t *adp_ini; 62 static video_adapter_t **adapter = &adp_ini; 63 static video_switch_t *vidsw_ini; 64 video_switch_t **vidsw = &vidsw_ini; 65 66 #ifdef FB_INSTALL_CDEV 67 static struct cdevsw *vidcdevsw_ini; 68 static struct cdevsw **vidcdevsw = &vidcdevsw_ini; 69 #endif 70 71 #define ARRAY_DELTA 4 72 73 static int 74 vid_realloc_array(void) 75 { 76 video_adapter_t **new_adp; 77 video_switch_t **new_vidsw; 78 #ifdef FB_INSTALL_CDEV 79 struct cdevsw **new_cdevsw; 80 #endif 81 int newsize; 82 int s; 83 84 if (!vid_malloc) 85 return ENOMEM; 86 87 s = spltty(); 88 newsize = ((adapters + ARRAY_DELTA)/ARRAY_DELTA)*ARRAY_DELTA; 89 new_adp = malloc(sizeof(*new_adp)*newsize, M_DEVBUF, M_WAITOK | M_ZERO); 90 new_vidsw = malloc(sizeof(*new_vidsw)*newsize, M_DEVBUF, 91 M_WAITOK | M_ZERO); 92 #ifdef FB_INSTALL_CDEV 93 new_cdevsw = malloc(sizeof(*new_cdevsw)*newsize, M_DEVBUF, 94 M_WAITOK | M_ZERO); 95 #endif 96 bcopy(adapter, new_adp, sizeof(*adapter)*adapters); 97 bcopy(vidsw, new_vidsw, sizeof(*vidsw)*adapters); 98 #ifdef FB_INSTALL_CDEV 99 bcopy(vidcdevsw, new_cdevsw, sizeof(*vidcdevsw)*adapters); 100 #endif 101 if (adapters > 1) { 102 free(adapter, M_DEVBUF); 103 free(vidsw, M_DEVBUF); 104 #ifdef FB_INSTALL_CDEV 105 free(vidcdevsw, M_DEVBUF); 106 #endif 107 } 108 adapter = new_adp; 109 vidsw = new_vidsw; 110 #ifdef FB_INSTALL_CDEV 111 vidcdevsw = new_cdevsw; 112 #endif 113 adapters = newsize; 114 splx(s); 115 116 if (bootverbose) 117 printf("fb: new array size %d\n", adapters); 118 119 return 0; 120 } 121 122 static void 123 vid_malloc_init(void *arg) 124 { 125 vid_malloc = TRUE; 126 } 127 128 SYSINIT(vid_mem, SI_SUB_KMEM, SI_ORDER_ANY, vid_malloc_init, NULL); 129 130 /* 131 * Low-level frame buffer driver functions 132 * frame buffer subdrivers, such as the VGA driver, call these functions 133 * to initialize the video_adapter structure and register it to the virtual 134 * frame buffer driver `fb'. 135 */ 136 137 /* initialize the video_adapter_t structure */ 138 void 139 vid_init_struct(video_adapter_t *adp, char *name, int type, int unit) 140 { 141 adp->va_flags = 0; 142 adp->va_name = name; 143 adp->va_type = type; 144 adp->va_unit = unit; 145 } 146 147 /* Register a video adapter */ 148 int 149 vid_register(video_adapter_t *adp) 150 { 151 const video_driver_t **list; 152 const video_driver_t *p; 153 int index; 154 155 for (index = 0; index < adapters; ++index) { 156 if (adapter[index] == NULL) 157 break; 158 } 159 if (index >= adapters) { 160 if (vid_realloc_array()) 161 return -1; 162 } 163 164 adp->va_index = index; 165 adp->va_token = NULL; 166 SET_FOREACH(list, videodriver_set) { 167 p = *list; 168 if (strcmp(p->name, adp->va_name) == 0) { 169 adapter[index] = adp; 170 vidsw[index] = p->vidsw; 171 return index; 172 } 173 } 174 175 return -1; 176 } 177 178 int 179 vid_unregister(video_adapter_t *adp) 180 { 181 if ((adp->va_index < 0) || (adp->va_index >= adapters)) 182 return ENOENT; 183 if (adapter[adp->va_index] != adp) 184 return ENOENT; 185 186 adapter[adp->va_index] = NULL; 187 vidsw[adp->va_index] = NULL; 188 return 0; 189 } 190 191 /* Get video I/O function table */ 192 video_switch_t 193 *vid_get_switch(char *name) 194 { 195 const video_driver_t **list; 196 const video_driver_t *p; 197 198 SET_FOREACH(list, videodriver_set) { 199 p = *list; 200 if (strcmp(p->name, name) == 0) 201 return p->vidsw; 202 } 203 204 return NULL; 205 } 206 207 /* 208 * Video card client functions 209 * Video card clients, such as the console driver `syscons' and the frame 210 * buffer cdev driver, use these functions to claim and release a card for 211 * exclusive use. 212 */ 213 214 /* find the video card specified by a driver name and a unit number */ 215 int 216 vid_find_adapter(char *driver, int unit) 217 { 218 int i; 219 220 for (i = 0; i < adapters; ++i) { 221 if (adapter[i] == NULL) 222 continue; 223 if (strcmp("*", driver) && strcmp(adapter[i]->va_name, driver)) 224 continue; 225 if ((unit != -1) && (adapter[i]->va_unit != unit)) 226 continue; 227 return i; 228 } 229 return -1; 230 } 231 232 /* allocate a video card */ 233 int 234 vid_allocate(char *driver, int unit, void *id) 235 { 236 int index; 237 int s; 238 239 s = spltty(); 240 index = vid_find_adapter(driver, unit); 241 if (index >= 0) { 242 if (adapter[index]->va_token) { 243 splx(s); 244 return -1; 245 } 246 adapter[index]->va_token = id; 247 } 248 splx(s); 249 return index; 250 } 251 252 int 253 vid_release(video_adapter_t *adp, void *id) 254 { 255 int error; 256 int s; 257 258 s = spltty(); 259 if (adp->va_token == NULL) { 260 error = EINVAL; 261 } else if (adp->va_token != id) { 262 error = EPERM; 263 } else { 264 adp->va_token = NULL; 265 error = 0; 266 } 267 splx(s); 268 return error; 269 } 270 271 /* Get a video adapter structure */ 272 video_adapter_t 273 *vid_get_adapter(int index) 274 { 275 if ((index < 0) || (index >= adapters)) 276 return NULL; 277 return adapter[index]; 278 } 279 280 /* Configure drivers: this is a backdoor for the console driver XXX */ 281 int 282 vid_configure(int flags) 283 { 284 const video_driver_t **list; 285 const video_driver_t *p; 286 287 SET_FOREACH(list, videodriver_set) { 288 p = *list; 289 if (p->configure != NULL) 290 (*p->configure)(flags); 291 } 292 293 return 0; 294 } 295 296 /* 297 * Virtual frame buffer cdev driver functions 298 * The virtual frame buffer driver dispatches driver functions to 299 * appropriate subdrivers. 300 */ 301 302 #define FB_DRIVER_NAME "fb" 303 304 #ifdef FB_INSTALL_CDEV 305 306 #if experimental 307 308 static devclass_t fb_devclass; 309 310 static int fbprobe(device_t dev); 311 static int fbattach(device_t dev); 312 313 static device_method_t fb_methods[] = { 314 DEVMETHOD(device_probe, fbprobe), 315 DEVMETHOD(device_attach, fbattach), 316 317 DEVMETHOD(bus_print_child, bus_generic_print_child), 318 { 0, 0 } 319 }; 320 321 static driver_t fb_driver = { 322 FB_DRIVER_NAME, 323 fb_methods, 324 0, 325 }; 326 327 static int 328 fbprobe(device_t dev) 329 { 330 int unit; 331 332 unit = device_get_unit(dev); 333 if (unit >= adapters) 334 return ENXIO; 335 if (adapter[unit] == NULL) 336 return ENXIO; 337 338 device_set_desc(dev, "generic frame buffer"); 339 return 0; 340 } 341 342 static int 343 fbattach(device_t dev) 344 { 345 printf("fbattach: about to attach children\n"); 346 bus_generic_attach(dev); 347 return 0; 348 } 349 350 #endif /* experimental */ 351 352 #define FB_UNIT(dev) minor(dev) 353 #define FB_MKMINOR(unit) (u) 354 355 #if experimental 356 static d_open_t fbopen; 357 static d_close_t fbclose; 358 static d_read_t fbread; 359 static d_write_t fbwrite; 360 static d_ioctl_t fbioctl; 361 static d_mmap_t fbmmap; 362 363 #define CDEV_MAJOR 123 /* XXX */ 364 365 static struct cdevsw fb_cdevsw = { 366 .d_open = fbopen, 367 .d_close = fbclose, 368 .d_read = fbread, 369 .d_write = fbwrite, 370 .d_ioctl = fbioctl, 371 .d_mmap = fbmmap, 372 .d_name = FB_DRIVER_NAME, 373 .d_maj = CDEV_MAJOR, 374 }; 375 #endif 376 377 378 static int 379 fb_modevent(module_t mod, int type, void *data) 380 { 381 382 switch (type) { 383 case MOD_LOAD: 384 break; 385 case MOD_UNLOAD: 386 printf("fb module unload - not possible for this module type\n"); 387 return EINVAL; 388 } 389 return 0; 390 } 391 392 static moduledata_t fb_mod = { 393 "fb", 394 fb_modevent, 395 NULL 396 }; 397 398 DECLARE_MODULE(fb, fb_mod, SI_SUB_PSEUDO, SI_ORDER_ANY); 399 400 int 401 fb_attach(dev_t dev, video_adapter_t *adp, struct cdevsw *cdevsw) 402 { 403 int s; 404 405 if (adp->va_index >= adapters) 406 return EINVAL; 407 if (adapter[adp->va_index] != adp) 408 return EINVAL; 409 410 s = spltty(); 411 adp->va_minor = minor(dev); 412 vidcdevsw[adp->va_index] = cdevsw; 413 splx(s); 414 415 printf("fb%d at %s%d\n", adp->va_index, adp->va_name, adp->va_unit); 416 return 0; 417 } 418 419 int 420 fb_detach(dev_t dev, video_adapter_t *adp, struct cdevsw *cdevsw) 421 { 422 int s; 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] != cdevsw) 429 return EINVAL; 430 431 s = spltty(); 432 vidcdevsw[adp->va_index] = NULL; 433 splx(s); 434 return 0; 435 } 436 437 #if experimental 438 static int 439 fbopen(dev_t dev, int flag, int mode, struct thread *td) 440 { 441 int unit; 442 443 unit = FB_UNIT(dev); 444 if (unit >= adapters) 445 return ENXIO; 446 if (vidcdevsw[unit] == NULL) 447 return ENXIO; 448 return (*vidcdevsw[unit]->d_open)(makedev(0, adapter[unit]->va_minor), 449 flag, mode, td); 450 } 451 452 static int 453 fbclose(dev_t dev, int flag, int mode, struct thread *td) 454 { 455 int unit; 456 457 unit = FB_UNIT(dev); 458 if (vidcdevsw[unit] == NULL) 459 return ENXIO; 460 return (*vidcdevsw[unit]->d_close)(makedev(0, adapter[unit]->va_minor), 461 flag, mode, td); 462 } 463 464 static int 465 fbread(dev_t dev, struct uio *uio, int flag) 466 { 467 int unit; 468 469 unit = FB_UNIT(dev); 470 if (vidcdevsw[unit] == NULL) 471 return ENXIO; 472 return (*vidcdevsw[unit]->d_read)(makedev(0, adapter[unit]->va_minor), 473 uio, flag); 474 } 475 476 static int 477 fbwrite(dev_t dev, struct uio *uio, int flag) 478 { 479 int unit; 480 481 unit = FB_UNIT(dev); 482 if (vidcdevsw[unit] == NULL) 483 return ENXIO; 484 return (*vidcdevsw[unit]->d_write)(makedev(0, adapter[unit]->va_minor), 485 uio, flag); 486 } 487 488 static int 489 fbioctl(dev_t dev, u_long cmd, caddr_t arg, int flag, struct thread *td) 490 { 491 int unit; 492 493 unit = FB_UNIT(dev); 494 if (vidcdevsw[unit] == NULL) 495 return ENXIO; 496 return (*vidcdevsw[unit]->d_ioctl)(makedev(0, adapter[unit]->va_minor), 497 cmd, arg, flag, td); 498 } 499 500 static int 501 fbmmap(dev_t dev, vm_offset_t offset, vm_paddr_t *paddr, int nprot) 502 { 503 int unit; 504 505 unit = FB_UNIT(dev); 506 if (vidcdevsw[unit] == NULL) 507 return ENXIO; 508 return (*vidcdevsw[unit]->d_mmap)(makedev(0, adapter[unit]->va_minor), 509 offset, paddr, nprot); 510 } 511 512 DEV_DRIVER_MODULE(fb, ???, fb_driver, fb_devclass, fb_cdevsw, 0, 0); 513 #endif 514 515 /* 516 * Generic frame buffer cdev driver functions 517 * Frame buffer subdrivers may call these functions to implement common 518 * driver functions. 519 */ 520 521 int genfbopen(genfb_softc_t *sc, video_adapter_t *adp, int flag, int mode, 522 struct thread *td) 523 { 524 int s; 525 526 s = spltty(); 527 if (!(sc->gfb_flags & FB_OPEN)) 528 sc->gfb_flags |= FB_OPEN; 529 splx(s); 530 return 0; 531 } 532 533 int genfbclose(genfb_softc_t *sc, video_adapter_t *adp, int flag, int mode, 534 struct thread *td) 535 { 536 int s; 537 538 s = spltty(); 539 sc->gfb_flags &= ~FB_OPEN; 540 splx(s); 541 return 0; 542 } 543 544 int genfbread(genfb_softc_t *sc, video_adapter_t *adp, struct uio *uio, 545 int flag) 546 { 547 int size; 548 int offset; 549 int error; 550 int len; 551 552 error = 0; 553 size = adp->va_buffer_size/adp->va_info.vi_planes; 554 while (uio->uio_resid > 0) { 555 if (uio->uio_offset >= size) 556 break; 557 offset = uio->uio_offset%adp->va_window_size; 558 len = imin(uio->uio_resid, size - uio->uio_offset); 559 len = imin(len, adp->va_window_size - offset); 560 if (len <= 0) 561 break; 562 (*vidsw[adp->va_index]->set_win_org)(adp, uio->uio_offset); 563 error = uiomove((caddr_t)(adp->va_window + offset), len, uio); 564 if (error) 565 break; 566 } 567 return error; 568 } 569 570 int genfbwrite(genfb_softc_t *sc, video_adapter_t *adp, struct uio *uio, 571 int flag) 572 { 573 return ENODEV; 574 } 575 576 int genfbioctl(genfb_softc_t *sc, video_adapter_t *adp, u_long cmd, 577 caddr_t arg, int flag, struct thread *td) 578 { 579 int error; 580 581 if (adp == NULL) /* XXX */ 582 return ENXIO; 583 error = (*vidsw[adp->va_index]->ioctl)(adp, cmd, arg); 584 if (error == ENOIOCTL) 585 error = ENODEV; 586 return error; 587 } 588 589 int genfbmmap(genfb_softc_t *sc, video_adapter_t *adp, vm_offset_t offset, 590 vm_offset_t *paddr, int prot) 591 { 592 return (*vidsw[adp->va_index]->mmap)(adp, offset, paddr, prot); 593 } 594 595 #endif /* FB_INSTALL_CDEV */ 596 597 static char 598 *adapter_name(int type) 599 { 600 static struct { 601 int type; 602 char *name; 603 } names[] = { 604 { KD_MONO, "MDA" }, 605 { KD_HERCULES, "Hercules" }, 606 { KD_CGA, "CGA" }, 607 { KD_EGA, "EGA" }, 608 { KD_VGA, "VGA" }, 609 { KD_PC98, "PC-98x1" }, 610 { KD_TGA, "TGA" }, 611 { -1, "Unknown" }, 612 }; 613 int i; 614 615 for (i = 0; names[i].type != -1; ++i) 616 if (names[i].type == type) 617 break; 618 return names[i].name; 619 } 620 621 /* 622 * Generic low-level frame buffer functions 623 * The low-level functions in the frame buffer subdriver may use these 624 * functions. 625 */ 626 627 void 628 fb_dump_adp_info(char *driver, video_adapter_t *adp, int level) 629 { 630 if (level <= 0) 631 return; 632 633 printf("%s%d: %s%d, %s, type:%s (%d), flags:0x%x\n", 634 FB_DRIVER_NAME, adp->va_index, driver, adp->va_unit, adp->va_name, 635 adapter_name(adp->va_type), adp->va_type, adp->va_flags); 636 printf("%s%d: port:0x%lx-0x%lx, crtc:0x%lx, mem:0x%lx 0x%x\n", 637 FB_DRIVER_NAME, adp->va_index, (u_long)adp->va_io_base, 638 (u_long)adp->va_io_base + adp->va_io_size - 1, 639 (u_long)adp->va_crtc_addr, (u_long)adp->va_mem_base, 640 adp->va_mem_size); 641 printf("%s%d: init mode:%d, bios mode:%d, current mode:%d\n", 642 FB_DRIVER_NAME, adp->va_index, 643 adp->va_initial_mode, adp->va_initial_bios_mode, adp->va_mode); 644 printf("%s%d: window:%p size:%dk gran:%dk, buf:%p size:%dk\n", 645 FB_DRIVER_NAME, adp->va_index, 646 (void *)adp->va_window, (int)adp->va_window_size/1024, 647 (int)adp->va_window_gran/1024, (void *)adp->va_buffer, 648 (int)adp->va_buffer_size/1024); 649 } 650 651 void 652 fb_dump_mode_info(char *driver, video_adapter_t *adp, video_info_t *info, 653 int level) 654 { 655 if (level <= 0) 656 return; 657 658 printf("%s%d: %s, mode:%d, flags:0x%x ", 659 driver, adp->va_unit, adp->va_name, info->vi_mode, info->vi_flags); 660 if (info->vi_flags & V_INFO_GRAPHICS) 661 printf("G %dx%dx%d, %d plane(s), font:%dx%d, ", 662 info->vi_width, info->vi_height, 663 info->vi_depth, info->vi_planes, 664 info->vi_cwidth, info->vi_cheight); 665 else 666 printf("T %dx%d, font:%dx%d, ", 667 info->vi_width, info->vi_height, 668 info->vi_cwidth, info->vi_cheight); 669 printf("win:0x%lx\n", (u_long)info->vi_window); 670 } 671 672 int 673 fb_type(int adp_type) 674 { 675 static struct { 676 int fb_type; 677 int va_type; 678 } types[] = { 679 { FBTYPE_MDA, KD_MONO }, 680 { FBTYPE_HERCULES, KD_HERCULES }, 681 { FBTYPE_CGA, KD_CGA }, 682 { FBTYPE_EGA, KD_EGA }, 683 { FBTYPE_VGA, KD_VGA }, 684 { FBTYPE_PC98, KD_PC98 }, 685 { FBTYPE_TGA, KD_TGA }, 686 }; 687 int i; 688 689 for (i = 0; i < sizeof(types)/sizeof(types[0]); ++i) { 690 if (types[i].va_type == adp_type) 691 return types[i].fb_type; 692 } 693 return -1; 694 } 695 696 int 697 fb_commonioctl(video_adapter_t *adp, u_long cmd, caddr_t arg) 698 { 699 int error; 700 int s; 701 702 /* assert(adp != NULL) */ 703 704 error = 0; 705 s = spltty(); 706 707 switch (cmd) { 708 709 case FBIO_ADAPTER: /* get video adapter index */ 710 *(int *)arg = adp->va_index; 711 break; 712 713 case FBIO_ADPTYPE: /* get video adapter type */ 714 *(int *)arg = adp->va_type; 715 break; 716 717 case FBIO_ADPINFO: /* get video adapter info */ 718 ((video_adapter_info_t *)arg)->va_index = adp->va_index; 719 ((video_adapter_info_t *)arg)->va_type = adp->va_type; 720 bcopy(adp->va_name, ((video_adapter_info_t *)arg)->va_name, 721 imin(strlen(adp->va_name) + 1, 722 sizeof(((video_adapter_info_t *)arg)->va_name))); 723 ((video_adapter_info_t *)arg)->va_unit = adp->va_unit; 724 ((video_adapter_info_t *)arg)->va_flags = adp->va_flags; 725 ((video_adapter_info_t *)arg)->va_io_base = adp->va_io_base; 726 ((video_adapter_info_t *)arg)->va_io_size = adp->va_io_size; 727 ((video_adapter_info_t *)arg)->va_crtc_addr = adp->va_crtc_addr; 728 ((video_adapter_info_t *)arg)->va_mem_base = adp->va_mem_base; 729 ((video_adapter_info_t *)arg)->va_mem_size = adp->va_mem_size; 730 ((video_adapter_info_t *)arg)->va_window 731 #ifdef __i386__ 732 = vtophys(adp->va_window); 733 #else 734 = adp->va_window; 735 #endif 736 ((video_adapter_info_t *)arg)->va_window_size 737 = adp->va_window_size; 738 ((video_adapter_info_t *)arg)->va_window_gran 739 = adp->va_window_gran; 740 ((video_adapter_info_t *)arg)->va_window_orig 741 = adp->va_window_orig; 742 ((video_adapter_info_t *)arg)->va_unused0 743 #ifdef __i386__ 744 = (adp->va_buffer) ? vtophys(adp->va_buffer) : 0; 745 #else 746 = adp->va_buffer; 747 #endif 748 ((video_adapter_info_t *)arg)->va_buffer_size 749 = adp->va_buffer_size; 750 ((video_adapter_info_t *)arg)->va_mode = adp->va_mode; 751 ((video_adapter_info_t *)arg)->va_initial_mode 752 = adp->va_initial_mode; 753 ((video_adapter_info_t *)arg)->va_initial_bios_mode 754 = adp->va_initial_bios_mode; 755 ((video_adapter_info_t *)arg)->va_line_width 756 = adp->va_line_width; 757 ((video_adapter_info_t *)arg)->va_disp_start.x 758 = adp->va_disp_start.x; 759 ((video_adapter_info_t *)arg)->va_disp_start.y 760 = adp->va_disp_start.y; 761 break; 762 763 case FBIO_MODEINFO: /* get mode information */ 764 error = (*vidsw[adp->va_index]->get_info)(adp, 765 ((video_info_t *)arg)->vi_mode, 766 (video_info_t *)arg); 767 if (error) 768 error = ENODEV; 769 break; 770 771 case FBIO_FINDMODE: /* find a matching video mode */ 772 error = (*vidsw[adp->va_index]->query_mode)(adp, 773 (video_info_t *)arg); 774 break; 775 776 case FBIO_GETMODE: /* get video mode */ 777 *(int *)arg = adp->va_mode; 778 break; 779 780 case FBIO_SETMODE: /* set video mode */ 781 error = (*vidsw[adp->va_index]->set_mode)(adp, *(int *)arg); 782 if (error) 783 error = ENODEV; /* EINVAL? */ 784 break; 785 786 case FBIO_GETWINORG: /* get frame buffer window origin */ 787 *(u_int *)arg = adp->va_window_orig; 788 break; 789 790 case FBIO_GETDISPSTART: /* get display start address */ 791 ((video_display_start_t *)arg)->x = adp->va_disp_start.x; 792 ((video_display_start_t *)arg)->y = adp->va_disp_start.y; 793 break; 794 795 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */ 796 *(u_int *)arg = adp->va_line_width; 797 break; 798 799 case FBIO_BLANK: /* blank display */ 800 error = (*vidsw[adp->va_index]->blank_display)(adp, *(int *)arg); 801 break; 802 803 case FBIO_GETPALETTE: /* get color palette */ 804 case FBIO_SETPALETTE: /* set color palette */ 805 /* XXX */ 806 807 case FBIOPUTCMAP: 808 case FBIOGETCMAP: 809 case FBIOPUTCMAPI: 810 case FBIOGETCMAPI: 811 /* XXX */ 812 813 case FBIO_SETWINORG: /* set frame buffer window origin */ 814 case FBIO_SETDISPSTART: /* set display start address */ 815 case FBIO_SETLINEWIDTH: /* set scan line width in pixel */ 816 817 case FBIOGTYPE: 818 case FBIOGATTR: 819 case FBIOSVIDEO: 820 case FBIOGVIDEO: 821 case FBIOVERTICAL: 822 case FBIOSCURSOR: 823 case FBIOGCURSOR: 824 case FBIOSCURPOS: 825 case FBIOGCURPOS: 826 case FBIOGCURMAX: 827 case FBIOMONINFO: 828 case FBIOGXINFO: 829 830 default: 831 error = ENODEV; 832 break; 833 } 834 835 splx(s); 836 return error; 837 } 838