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: src/sys/dev/fb/fb.c,v 1.11.2.2 2000/08/02 22:35:22 peter Exp $ 29 * $DragonFly: src/sys/dev/video/fb/fb.c,v 1.2 2003/06/17 04:28:25 dillon Exp $ 30 */ 31 32 #include "opt_fb.h" 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/conf.h> 37 #include <sys/bus.h> 38 #include <sys/kernel.h> 39 #include <sys/malloc.h> 40 #include <sys/uio.h> 41 #include <sys/fbio.h> 42 43 #include <vm/vm.h> 44 #include <vm/pmap.h> 45 46 #include <dev/fb/fbreg.h> 47 48 /* local arrays */ 49 50 /* 51 * We need at least one entry each in order to initialize a video card 52 * for the kernel console. The arrays will be increased dynamically 53 * when necessary. 54 */ 55 56 static int vid_malloc; 57 static int adapters = 1; 58 static video_adapter_t *adp_ini; 59 static video_adapter_t **adapter = &adp_ini; 60 static video_switch_t *vidsw_ini; 61 video_switch_t **vidsw = &vidsw_ini; 62 63 #ifdef FB_INSTALL_CDEV 64 static struct cdevsw *vidcdevsw_ini; 65 static struct cdevsw **vidcdevsw = &vidcdevsw_ini; 66 #endif 67 68 #define ARRAY_DELTA 4 69 70 static int 71 vid_realloc_array(void) 72 { 73 video_adapter_t **new_adp; 74 video_switch_t **new_vidsw; 75 #ifdef FB_INSTALL_CDEV 76 struct cdevsw **new_cdevsw; 77 #endif 78 int newsize; 79 int s; 80 81 if (!vid_malloc) 82 return ENOMEM; 83 84 s = spltty(); 85 newsize = ((adapters + ARRAY_DELTA)/ARRAY_DELTA)*ARRAY_DELTA; 86 new_adp = malloc(sizeof(*new_adp)*newsize, M_DEVBUF, M_WAITOK); 87 new_vidsw = malloc(sizeof(*new_vidsw)*newsize, M_DEVBUF, M_WAITOK); 88 #ifdef FB_INSTALL_CDEV 89 new_cdevsw = malloc(sizeof(*new_cdevsw)*newsize, M_DEVBUF, M_WAITOK); 90 #endif 91 bzero(new_adp, sizeof(*new_adp)*newsize); 92 bzero(new_vidsw, sizeof(*new_vidsw)*newsize); 93 bcopy(adapter, new_adp, sizeof(*adapter)*adapters); 94 bcopy(vidsw, new_vidsw, sizeof(*vidsw)*adapters); 95 #ifdef FB_INSTALL_CDEV 96 bzero(new_cdevsw, sizeof(*new_cdevsw)*newsize); 97 bcopy(vidcdevsw, new_cdevsw, sizeof(*vidcdevsw)*adapters); 98 #endif 99 if (adapters > 1) { 100 free(adapter, M_DEVBUF); 101 free(vidsw, M_DEVBUF); 102 #ifdef FB_INSTALL_CDEV 103 free(vidcdevsw, M_DEVBUF); 104 #endif 105 } 106 adapter = new_adp; 107 vidsw = new_vidsw; 108 #ifdef FB_INSTALL_CDEV 109 vidcdevsw = new_cdevsw; 110 #endif 111 adapters = newsize; 112 splx(s); 113 114 if (bootverbose) 115 printf("fb: new array size %d\n", adapters); 116 117 return 0; 118 } 119 120 static void 121 vid_malloc_init(void *arg) 122 { 123 vid_malloc = TRUE; 124 } 125 126 SYSINIT(vid_mem, SI_SUB_KMEM, SI_ORDER_ANY, vid_malloc_init, NULL); 127 128 /* 129 * Low-level frame buffer driver functions 130 * frame buffer subdrivers, such as the VGA driver, call these functions 131 * to initialize the video_adapter structure and register it to the virtual 132 * frame buffer driver `fb'. 133 */ 134 135 /* initialize the video_adapter_t structure */ 136 void 137 vid_init_struct(video_adapter_t *adp, char *name, int type, int unit) 138 { 139 adp->va_flags = 0; 140 adp->va_name = name; 141 adp->va_type = type; 142 adp->va_unit = unit; 143 } 144 145 /* Register a video adapter */ 146 int 147 vid_register(video_adapter_t *adp) 148 { 149 const video_driver_t **list; 150 const video_driver_t *p; 151 int index; 152 153 for (index = 0; index < adapters; ++index) { 154 if (adapter[index] == NULL) 155 break; 156 } 157 if (index >= adapters) { 158 if (vid_realloc_array()) 159 return -1; 160 } 161 162 adp->va_index = index; 163 adp->va_token = NULL; 164 list = (const video_driver_t **)videodriver_set.ls_items; 165 while ((p = *list++) != NULL) { 166 if (strcmp(p->name, adp->va_name) == 0) { 167 adapter[index] = adp; 168 vidsw[index] = p->vidsw; 169 return index; 170 } 171 } 172 173 return -1; 174 } 175 176 int 177 vid_unregister(video_adapter_t *adp) 178 { 179 if ((adp->va_index < 0) || (adp->va_index >= adapters)) 180 return ENOENT; 181 if (adapter[adp->va_index] != adp) 182 return ENOENT; 183 184 adapter[adp->va_index] = NULL; 185 vidsw[adp->va_index] = NULL; 186 return 0; 187 } 188 189 /* Get video I/O function table */ 190 video_switch_t 191 *vid_get_switch(char *name) 192 { 193 const video_driver_t **list; 194 const video_driver_t *p; 195 196 list = (const video_driver_t **)videodriver_set.ls_items; 197 while ((p = *list++) != NULL) { 198 if (strcmp(p->name, name) == 0) 199 return p->vidsw; 200 } 201 202 return NULL; 203 } 204 205 /* 206 * Video card client functions 207 * Video card clients, such as the console driver `syscons' and the frame 208 * buffer cdev driver, use these functions to claim and release a card for 209 * exclusive use. 210 */ 211 212 /* find the video card specified by a driver name and a unit number */ 213 int 214 vid_find_adapter(char *driver, int unit) 215 { 216 int i; 217 218 for (i = 0; i < adapters; ++i) { 219 if (adapter[i] == NULL) 220 continue; 221 if (strcmp("*", driver) && strcmp(adapter[i]->va_name, driver)) 222 continue; 223 if ((unit != -1) && (adapter[i]->va_unit != unit)) 224 continue; 225 return i; 226 } 227 return -1; 228 } 229 230 /* allocate a video card */ 231 int 232 vid_allocate(char *driver, int unit, void *id) 233 { 234 int index; 235 int s; 236 237 s = spltty(); 238 index = vid_find_adapter(driver, unit); 239 if (index >= 0) { 240 if (adapter[index]->va_token) { 241 splx(s); 242 return -1; 243 } 244 adapter[index]->va_token = id; 245 } 246 splx(s); 247 return index; 248 } 249 250 int 251 vid_release(video_adapter_t *adp, void *id) 252 { 253 int error; 254 int s; 255 256 s = spltty(); 257 if (adp->va_token == NULL) { 258 error = EINVAL; 259 } else if (adp->va_token != id) { 260 error = EPERM; 261 } else { 262 adp->va_token = NULL; 263 error = 0; 264 } 265 splx(s); 266 return error; 267 } 268 269 /* Get a video adapter structure */ 270 video_adapter_t 271 *vid_get_adapter(int index) 272 { 273 if ((index < 0) || (index >= adapters)) 274 return NULL; 275 return adapter[index]; 276 } 277 278 /* Configure drivers: this is a backdoor for the console driver XXX */ 279 int 280 vid_configure(int flags) 281 { 282 const video_driver_t **list; 283 const video_driver_t *p; 284 285 list = (const video_driver_t **)videodriver_set.ls_items; 286 while ((p = *list++) != NULL) { 287 if (p->configure != NULL) 288 (*p->configure)(flags); 289 } 290 291 return 0; 292 } 293 294 /* 295 * Virtual frame buffer cdev driver functions 296 * The virtual frame buffer driver dispatches driver functions to 297 * appropriate subdrivers. 298 */ 299 300 #define FB_DRIVER_NAME "fb" 301 302 #ifdef FB_INSTALL_CDEV 303 304 #if experimental 305 306 static devclass_t fb_devclass; 307 308 static int fbprobe(device_t dev); 309 static int fbattach(device_t dev); 310 311 static device_method_t fb_methods[] = { 312 DEVMETHOD(device_probe, fbprobe), 313 DEVMETHOD(device_attach, fbattach), 314 315 DEVMETHOD(bus_print_child, bus_generic_print_child), 316 { 0, 0 } 317 }; 318 319 static driver_t fb_driver = { 320 FB_DRIVER_NAME, 321 fb_methods, 322 0, 323 }; 324 325 static int 326 fbprobe(device_t dev) 327 { 328 int unit; 329 330 unit = device_get_unit(dev); 331 if (unit >= adapters) 332 return ENXIO; 333 if (adapter[unit] == NULL) 334 return ENXIO; 335 336 device_set_desc(dev, "generic frame buffer"); 337 return 0; 338 } 339 340 static int 341 fbattach(device_t dev) 342 { 343 printf("fbattach: about to attach children\n"); 344 bus_generic_attach(dev); 345 return 0; 346 } 347 348 #endif /* experimental */ 349 350 #define FB_UNIT(dev) minor(dev) 351 #define FB_MKMINOR(unit) (u) 352 353 static d_open_t fbopen; 354 static d_close_t fbclose; 355 static d_read_t fbread; 356 static d_write_t fbwrite; 357 static d_ioctl_t fbioctl; 358 static d_mmap_t fbmmap; 359 360 #define CDEV_MAJOR 123 /* XXX */ 361 362 static struct cdevsw fb_cdevsw = { 363 /* open */ fbopen, 364 /* close */ fbclose, 365 /* read */ fbread, 366 /* write */ fbwrite, 367 /* ioctl */ fbioctl, 368 /* poll */ nopoll, 369 /* mmap */ fbmmap, 370 /* strategy */ nostrategy, 371 /* name */ FB_DRIVER_NAME, 372 /* maj */ CDEV_MAJOR, 373 /* dump */ nodump, 374 /* psize */ nopsize, 375 /* flags */ 0, 376 /* bmaj */ -1 377 }; 378 379 static void 380 vfbattach(void *arg) 381 { 382 static int fb_devsw_installed = FALSE; 383 384 if (!fb_devsw_installed) { 385 cdevsw_add(&fb_cdevsw); 386 fb_devsw_installed = TRUE; 387 } 388 } 389 390 PSEUDO_SET(vfbattach, fb); 391 392 int 393 fb_attach(dev_t dev, video_adapter_t *adp, struct cdevsw *cdevsw) 394 { 395 int s; 396 397 if (adp->va_index >= adapters) 398 return EINVAL; 399 if (adapter[adp->va_index] != adp) 400 return EINVAL; 401 402 s = spltty(); 403 adp->va_minor = minor(dev); 404 vidcdevsw[adp->va_index] = cdevsw; 405 splx(s); 406 407 printf("fb%d at %s%d\n", adp->va_index, adp->va_name, adp->va_unit); 408 return 0; 409 } 410 411 int 412 fb_detach(dev_t dev, video_adapter_t *adp, struct cdevsw *cdevsw) 413 { 414 int s; 415 416 if (adp->va_index >= adapters) 417 return EINVAL; 418 if (adapter[adp->va_index] != adp) 419 return EINVAL; 420 if (vidcdevsw[adp->va_index] != cdevsw) 421 return EINVAL; 422 423 s = spltty(); 424 vidcdevsw[adp->va_index] = NULL; 425 splx(s); 426 return 0; 427 } 428 429 static int 430 fbopen(dev_t dev, int flag, int mode, struct proc *p) 431 { 432 int unit; 433 434 unit = FB_UNIT(dev); 435 if (unit >= adapters) 436 return ENXIO; 437 if (vidcdevsw[unit] == NULL) 438 return ENXIO; 439 return (*vidcdevsw[unit]->d_open)(makedev(0, adapter[unit]->va_minor), 440 flag, mode, p); 441 } 442 443 static int 444 fbclose(dev_t dev, int flag, int mode, struct proc *p) 445 { 446 int unit; 447 448 unit = FB_UNIT(dev); 449 if (vidcdevsw[unit] == NULL) 450 return ENXIO; 451 return (*vidcdevsw[unit]->d_close)(makedev(0, adapter[unit]->va_minor), 452 flag, mode, p); 453 } 454 455 static int 456 fbread(dev_t dev, struct uio *uio, int flag) 457 { 458 int unit; 459 460 unit = FB_UNIT(dev); 461 if (vidcdevsw[unit] == NULL) 462 return ENXIO; 463 return (*vidcdevsw[unit]->d_read)(makedev(0, adapter[unit]->va_minor), 464 uio, flag); 465 } 466 467 static int 468 fbwrite(dev_t dev, struct uio *uio, int flag) 469 { 470 int unit; 471 472 unit = FB_UNIT(dev); 473 if (vidcdevsw[unit] == NULL) 474 return ENXIO; 475 return (*vidcdevsw[unit]->d_write)(makedev(0, adapter[unit]->va_minor), 476 uio, flag); 477 } 478 479 static int 480 fbioctl(dev_t dev, u_long cmd, caddr_t arg, int flag, struct proc *p) 481 { 482 int unit; 483 484 unit = FB_UNIT(dev); 485 if (vidcdevsw[unit] == NULL) 486 return ENXIO; 487 return (*vidcdevsw[unit]->d_ioctl)(makedev(0, adapter[unit]->va_minor), 488 cmd, arg, flag, p); 489 } 490 491 static int 492 fbmmap(dev_t dev, vm_offset_t offset, int nprot) 493 { 494 int unit; 495 496 unit = FB_UNIT(dev); 497 if (vidcdevsw[unit] == NULL) 498 return ENXIO; 499 return (*vidcdevsw[unit]->d_mmap)(makedev(0, adapter[unit]->va_minor), 500 offset, nprot); 501 } 502 503 #if experimental 504 DEV_DRIVER_MODULE(fb, ???, fb_driver, fb_devclass, fb_cdevsw, 0, 0); 505 #endif 506 507 /* 508 * Generic frame buffer cdev driver functions 509 * Frame buffer subdrivers may call these functions to implement common 510 * driver functions. 511 */ 512 513 int genfbopen(genfb_softc_t *sc, video_adapter_t *adp, int flag, int mode, 514 struct proc *p) 515 { 516 int s; 517 518 s = spltty(); 519 if (!(sc->gfb_flags & FB_OPEN)) 520 sc->gfb_flags |= FB_OPEN; 521 splx(s); 522 return 0; 523 } 524 525 int genfbclose(genfb_softc_t *sc, video_adapter_t *adp, int flag, int mode, 526 struct proc *p) 527 { 528 int s; 529 530 s = spltty(); 531 sc->gfb_flags &= ~FB_OPEN; 532 splx(s); 533 return 0; 534 } 535 536 int genfbread(genfb_softc_t *sc, video_adapter_t *adp, struct uio *uio, 537 int flag) 538 { 539 int size; 540 int offset; 541 int error; 542 int len; 543 544 error = 0; 545 size = adp->va_buffer_size/adp->va_info.vi_planes; 546 while (uio->uio_resid > 0) { 547 if (uio->uio_offset >= size) 548 break; 549 offset = uio->uio_offset%adp->va_window_size; 550 len = imin(uio->uio_resid, size - uio->uio_offset); 551 len = imin(len, adp->va_window_size - offset); 552 if (len <= 0) 553 break; 554 (*vidsw[adp->va_index]->set_win_org)(adp, uio->uio_offset); 555 error = uiomove((caddr_t)(adp->va_window + offset), len, uio); 556 if (error) 557 break; 558 } 559 return error; 560 } 561 562 int genfbwrite(genfb_softc_t *sc, video_adapter_t *adp, struct uio *uio, 563 int flag) 564 { 565 return ENODEV; 566 } 567 568 int genfbioctl(genfb_softc_t *sc, video_adapter_t *adp, u_long cmd, 569 caddr_t arg, int flag, struct proc *p) 570 { 571 int error; 572 573 if (adp == NULL) /* XXX */ 574 return ENXIO; 575 error = (*vidsw[adp->va_index]->ioctl)(adp, cmd, arg); 576 if (error == ENOIOCTL) 577 error = ENODEV; 578 return error; 579 } 580 581 int genfbmmap(genfb_softc_t *sc, video_adapter_t *adp, vm_offset_t offset, 582 int prot) 583 { 584 return (*vidsw[adp->va_index]->mmap)(adp, offset, prot); 585 } 586 587 #endif /* FB_INSTALL_CDEV */ 588 589 static char 590 *adapter_name(int type) 591 { 592 static struct { 593 int type; 594 char *name; 595 } names[] = { 596 { KD_MONO, "MDA" }, 597 { KD_HERCULES, "Hercules" }, 598 { KD_CGA, "CGA" }, 599 { KD_EGA, "EGA" }, 600 { KD_VGA, "VGA" }, 601 { KD_PC98, "PC-98x1" }, 602 { KD_TGA, "TGA" }, 603 { -1, "Unknown" }, 604 }; 605 int i; 606 607 for (i = 0; names[i].type != -1; ++i) 608 if (names[i].type == type) 609 break; 610 return names[i].name; 611 } 612 613 /* 614 * Generic low-level frame buffer functions 615 * The low-level functions in the frame buffer subdriver may use these 616 * functions. 617 */ 618 619 void 620 fb_dump_adp_info(char *driver, video_adapter_t *adp, int level) 621 { 622 if (level <= 0) 623 return; 624 625 printf("%s%d: %s%d, %s, type:%s (%d), flags:0x%x\n", 626 FB_DRIVER_NAME, adp->va_index, driver, adp->va_unit, adp->va_name, 627 adapter_name(adp->va_type), adp->va_type, adp->va_flags); 628 printf("%s%d: port:0x%x-0x%x, crtc:0x%x, mem:0x%x 0x%x\n", 629 FB_DRIVER_NAME, adp->va_index, 630 adp->va_io_base, adp->va_io_base + adp->va_io_size - 1, 631 adp->va_crtc_addr, adp->va_mem_base, adp->va_mem_size); 632 printf("%s%d: init mode:%d, bios mode:%d, current mode:%d\n", 633 FB_DRIVER_NAME, adp->va_index, 634 adp->va_initial_mode, adp->va_initial_bios_mode, adp->va_mode); 635 printf("%s%d: window:%p size:%dk gran:%dk, buf:%p size:%dk\n", 636 FB_DRIVER_NAME, adp->va_index, 637 (void *)adp->va_window, (int)adp->va_window_size/1024, 638 (int)adp->va_window_gran/1024, (void *)adp->va_buffer, 639 (int)adp->va_buffer_size/1024); 640 } 641 642 void 643 fb_dump_mode_info(char *driver, video_adapter_t *adp, video_info_t *info, 644 int level) 645 { 646 if (level <= 0) 647 return; 648 649 printf("%s%d: %s, mode:%d, flags:0x%x ", 650 driver, adp->va_unit, adp->va_name, info->vi_mode, info->vi_flags); 651 if (info->vi_flags & V_INFO_GRAPHICS) 652 printf("G %dx%dx%d, %d plane(s), font:%dx%d, ", 653 info->vi_width, info->vi_height, 654 info->vi_depth, info->vi_planes, 655 info->vi_cwidth, info->vi_cheight); 656 else 657 printf("T %dx%d, font:%dx%d, ", 658 info->vi_width, info->vi_height, 659 info->vi_cwidth, info->vi_cheight); 660 printf("win:0x%x\n", info->vi_window); 661 } 662 663 int 664 fb_type(int adp_type) 665 { 666 static struct { 667 int fb_type; 668 int va_type; 669 } types[] = { 670 { FBTYPE_MDA, KD_MONO }, 671 { FBTYPE_HERCULES, KD_HERCULES }, 672 { FBTYPE_CGA, KD_CGA }, 673 { FBTYPE_EGA, KD_EGA }, 674 { FBTYPE_VGA, KD_VGA }, 675 { FBTYPE_PC98, KD_PC98 }, 676 { FBTYPE_TGA, KD_TGA }, 677 }; 678 int i; 679 680 for (i = 0; i < sizeof(types)/sizeof(types[0]); ++i) { 681 if (types[i].va_type == adp_type) 682 return types[i].fb_type; 683 } 684 return -1; 685 } 686 687 int 688 fb_commonioctl(video_adapter_t *adp, u_long cmd, caddr_t arg) 689 { 690 int error; 691 int s; 692 693 /* assert(adp != NULL) */ 694 695 error = 0; 696 s = spltty(); 697 698 switch (cmd) { 699 700 case FBIO_ADAPTER: /* get video adapter index */ 701 *(int *)arg = adp->va_index; 702 break; 703 704 case FBIO_ADPTYPE: /* get video adapter type */ 705 *(int *)arg = adp->va_type; 706 break; 707 708 case FBIO_ADPINFO: /* get video adapter info */ 709 ((video_adapter_info_t *)arg)->va_index = adp->va_index; 710 ((video_adapter_info_t *)arg)->va_type = adp->va_type; 711 bcopy(adp->va_name, ((video_adapter_info_t *)arg)->va_name, 712 imin(strlen(adp->va_name) + 1, 713 sizeof(((video_adapter_info_t *)arg)->va_name))); 714 ((video_adapter_info_t *)arg)->va_unit = adp->va_unit; 715 ((video_adapter_info_t *)arg)->va_flags = adp->va_flags; 716 ((video_adapter_info_t *)arg)->va_io_base = adp->va_io_base; 717 ((video_adapter_info_t *)arg)->va_io_size = adp->va_io_size; 718 ((video_adapter_info_t *)arg)->va_crtc_addr = adp->va_crtc_addr; 719 ((video_adapter_info_t *)arg)->va_mem_base = adp->va_mem_base; 720 ((video_adapter_info_t *)arg)->va_mem_size = adp->va_mem_size; 721 ((video_adapter_info_t *)arg)->va_window 722 #ifdef __i386__ 723 = vtophys(adp->va_window); 724 #else 725 = adp->va_window; 726 #endif 727 ((video_adapter_info_t *)arg)->va_window_size 728 = adp->va_window_size; 729 ((video_adapter_info_t *)arg)->va_window_gran 730 = adp->va_window_gran; 731 ((video_adapter_info_t *)arg)->va_window_orig 732 = adp->va_window_orig; 733 ((video_adapter_info_t *)arg)->va_unused0 734 #ifdef __i386__ 735 = (adp->va_buffer) ? vtophys(adp->va_buffer) : 0; 736 #else 737 = adp->va_buffer; 738 #endif 739 ((video_adapter_info_t *)arg)->va_buffer_size 740 = adp->va_buffer_size; 741 ((video_adapter_info_t *)arg)->va_mode = adp->va_mode; 742 ((video_adapter_info_t *)arg)->va_initial_mode 743 = adp->va_initial_mode; 744 ((video_adapter_info_t *)arg)->va_initial_bios_mode 745 = adp->va_initial_bios_mode; 746 ((video_adapter_info_t *)arg)->va_line_width 747 = adp->va_line_width; 748 ((video_adapter_info_t *)arg)->va_disp_start.x 749 = adp->va_disp_start.x; 750 ((video_adapter_info_t *)arg)->va_disp_start.y 751 = adp->va_disp_start.y; 752 break; 753 754 case FBIO_MODEINFO: /* get mode information */ 755 error = (*vidsw[adp->va_index]->get_info)(adp, 756 ((video_info_t *)arg)->vi_mode, 757 (video_info_t *)arg); 758 if (error) 759 error = ENODEV; 760 break; 761 762 case FBIO_FINDMODE: /* find a matching video mode */ 763 error = (*vidsw[adp->va_index]->query_mode)(adp, 764 (video_info_t *)arg); 765 break; 766 767 case FBIO_GETMODE: /* get video mode */ 768 *(int *)arg = adp->va_mode; 769 break; 770 771 case FBIO_SETMODE: /* set video mode */ 772 error = (*vidsw[adp->va_index]->set_mode)(adp, *(int *)arg); 773 if (error) 774 error = ENODEV; /* EINVAL? */ 775 break; 776 777 case FBIO_GETWINORG: /* get frame buffer window origin */ 778 *(u_int *)arg = adp->va_window_orig; 779 break; 780 781 case FBIO_GETDISPSTART: /* get display start address */ 782 ((video_display_start_t *)arg)->x = adp->va_disp_start.x; 783 ((video_display_start_t *)arg)->y = adp->va_disp_start.y; 784 break; 785 786 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */ 787 *(u_int *)arg = adp->va_line_width; 788 break; 789 790 case FBIO_GETPALETTE: /* get color palette */ 791 case FBIO_SETPALETTE: /* set color palette */ 792 /* XXX */ 793 794 case FBIOPUTCMAP: 795 case FBIOGETCMAP: 796 /* XXX */ 797 798 case FBIO_SETWINORG: /* set frame buffer window origin */ 799 case FBIO_SETDISPSTART: /* set display start address */ 800 case FBIO_SETLINEWIDTH: /* set scan line width in pixel */ 801 802 case FBIOGTYPE: 803 case FBIOGATTR: 804 case FBIOSVIDEO: 805 case FBIOGVIDEO: 806 case FBIOSCURSOR: 807 case FBIOGCURSOR: 808 case FBIOSCURPOS: 809 case FBIOGCURPOS: 810 case FBIOGCURMAX: 811 812 default: 813 error = ENODEV; 814 break; 815 } 816 817 splx(s); 818 return error; 819 } 820