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 1.7 2003/11/10 06:12:09 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 #include <sys/linker_set.h> 43 #include <sys/device.h> 44 45 #include <vm/vm.h> 46 #include <vm/pmap.h> 47 48 #include "fbreg.h" 49 50 SET_DECLARE(videodriver_set, const video_driver_t); 51 52 /* local arrays */ 53 54 /* 55 * We need at least one entry each in order to initialize a video card 56 * for the kernel console. The arrays will be increased dynamically 57 * when necessary. 58 */ 59 60 static int vid_malloc; 61 static int adapters = 1; 62 static video_adapter_t *adp_ini; 63 static video_adapter_t **adapter = &adp_ini; 64 static video_switch_t *vidsw_ini; 65 video_switch_t **vidsw = &vidsw_ini; 66 67 #ifdef FB_INSTALL_CDEV 68 static struct lwkt_port *vidcdevsw_ini; 69 static struct lwkt_port **vidcdevsw = &vidcdevsw_ini; 70 #endif 71 72 #define ARRAY_DELTA 4 73 74 static int 75 vid_realloc_array(void) 76 { 77 video_adapter_t **new_adp; 78 video_switch_t **new_vidsw; 79 #ifdef FB_INSTALL_CDEV 80 struct lwkt_port **new_cdevsw; 81 #endif 82 int newsize; 83 int s; 84 85 if (!vid_malloc) 86 return ENOMEM; 87 88 s = spltty(); 89 newsize = ((adapters + ARRAY_DELTA)/ARRAY_DELTA)*ARRAY_DELTA; 90 new_adp = malloc(sizeof(*new_adp)*newsize, M_DEVBUF, M_WAITOK); 91 new_vidsw = malloc(sizeof(*new_vidsw)*newsize, M_DEVBUF, M_WAITOK); 92 #ifdef FB_INSTALL_CDEV 93 new_cdevsw = malloc(sizeof(*new_cdevsw)*newsize, M_DEVBUF, M_WAITOK); 94 #endif 95 bzero(new_adp, sizeof(*new_adp)*newsize); 96 bzero(new_vidsw, sizeof(*new_vidsw)*newsize); 97 bcopy(adapter, new_adp, sizeof(*adapter)*adapters); 98 bcopy(vidsw, new_vidsw, sizeof(*vidsw)*adapters); 99 #ifdef FB_INSTALL_CDEV 100 bzero(new_cdevsw, sizeof(*new_cdevsw)*newsize); 101 bcopy(vidcdevsw, new_cdevsw, sizeof(*vidcdevsw)*adapters); 102 #endif 103 if (adapters > 1) { 104 free(adapter, M_DEVBUF); 105 free(vidsw, M_DEVBUF); 106 #ifdef FB_INSTALL_CDEV 107 free(vidcdevsw, M_DEVBUF); 108 #endif 109 } 110 adapter = new_adp; 111 vidsw = new_vidsw; 112 #ifdef FB_INSTALL_CDEV 113 vidcdevsw = new_cdevsw; 114 #endif 115 adapters = newsize; 116 splx(s); 117 118 if (bootverbose) 119 printf("fb: new array size %d\n", adapters); 120 121 return 0; 122 } 123 124 static void 125 vid_malloc_init(void *arg) 126 { 127 vid_malloc = TRUE; 128 } 129 130 SYSINIT(vid_mem, SI_SUB_KMEM, SI_ORDER_ANY, vid_malloc_init, NULL); 131 132 /* 133 * Low-level frame buffer driver functions 134 * frame buffer subdrivers, such as the VGA driver, call these functions 135 * to initialize the video_adapter structure and register it to the virtual 136 * frame buffer driver `fb'. 137 */ 138 139 /* initialize the video_adapter_t structure */ 140 void 141 vid_init_struct(video_adapter_t *adp, char *name, int type, int unit) 142 { 143 adp->va_flags = 0; 144 adp->va_name = name; 145 adp->va_type = type; 146 adp->va_unit = unit; 147 } 148 149 /* Register a video adapter */ 150 int 151 vid_register(video_adapter_t *adp) 152 { 153 const video_driver_t **list; 154 const video_driver_t *p; 155 int index; 156 157 for (index = 0; index < adapters; ++index) { 158 if (adapter[index] == NULL) 159 break; 160 } 161 if (index >= adapters) { 162 if (vid_realloc_array()) 163 return -1; 164 } 165 166 adp->va_index = index; 167 adp->va_token = NULL; 168 SET_FOREACH(list, videodriver_set) { 169 p = *list; 170 if (strcmp(p->name, adp->va_name) == 0) { 171 adapter[index] = adp; 172 vidsw[index] = p->vidsw; 173 return index; 174 } 175 } 176 177 return -1; 178 } 179 180 int 181 vid_unregister(video_adapter_t *adp) 182 { 183 if ((adp->va_index < 0) || (adp->va_index >= adapters)) 184 return ENOENT; 185 if (adapter[adp->va_index] != adp) 186 return ENOENT; 187 188 adapter[adp->va_index] = NULL; 189 vidsw[adp->va_index] = NULL; 190 return 0; 191 } 192 193 /* Get video I/O function table */ 194 video_switch_t 195 *vid_get_switch(char *name) 196 { 197 const video_driver_t **list; 198 const video_driver_t *p; 199 200 SET_FOREACH(list, videodriver_set) { 201 p = *list; 202 if (strcmp(p->name, name) == 0) 203 return p->vidsw; 204 } 205 206 return NULL; 207 } 208 209 /* 210 * Video card client functions 211 * Video card clients, such as the console driver `syscons' and the frame 212 * buffer cdev driver, use these functions to claim and release a card for 213 * exclusive use. 214 */ 215 216 /* find the video card specified by a driver name and a unit number */ 217 int 218 vid_find_adapter(char *driver, int unit) 219 { 220 int i; 221 222 for (i = 0; i < adapters; ++i) { 223 if (adapter[i] == NULL) 224 continue; 225 if (strcmp("*", driver) && strcmp(adapter[i]->va_name, driver)) 226 continue; 227 if ((unit != -1) && (adapter[i]->va_unit != unit)) 228 continue; 229 return i; 230 } 231 return -1; 232 } 233 234 /* allocate a video card */ 235 int 236 vid_allocate(char *driver, int unit, void *id) 237 { 238 int index; 239 int s; 240 241 s = spltty(); 242 index = vid_find_adapter(driver, unit); 243 if (index >= 0) { 244 if (adapter[index]->va_token) { 245 splx(s); 246 return -1; 247 } 248 adapter[index]->va_token = id; 249 } 250 splx(s); 251 return index; 252 } 253 254 int 255 vid_release(video_adapter_t *adp, void *id) 256 { 257 int error; 258 int s; 259 260 s = spltty(); 261 if (adp->va_token == NULL) { 262 error = EINVAL; 263 } else if (adp->va_token != id) { 264 error = EPERM; 265 } else { 266 adp->va_token = NULL; 267 error = 0; 268 } 269 splx(s); 270 return error; 271 } 272 273 /* Get a video adapter structure */ 274 video_adapter_t 275 *vid_get_adapter(int index) 276 { 277 if ((index < 0) || (index >= adapters)) 278 return NULL; 279 return adapter[index]; 280 } 281 282 /* Configure drivers: this is a backdoor for the console driver XXX */ 283 int 284 vid_configure(int flags) 285 { 286 const video_driver_t **list; 287 const video_driver_t *p; 288 289 SET_FOREACH(list, videodriver_set) { 290 p = *list; 291 if (p->configure != NULL) 292 (*p->configure)(flags); 293 } 294 295 return 0; 296 } 297 298 /* 299 * Virtual frame buffer cdev driver functions 300 * The virtual frame buffer driver dispatches driver functions to 301 * appropriate subdrivers. 302 */ 303 304 #define FB_DRIVER_NAME "fb" 305 306 #ifdef FB_INSTALL_CDEV 307 308 #if experimental 309 310 static devclass_t fb_devclass; 311 312 static int fbprobe(device_t dev); 313 static int fbattach(device_t dev); 314 315 static device_method_t fb_methods[] = { 316 DEVMETHOD(device_probe, fbprobe), 317 DEVMETHOD(device_attach, fbattach), 318 319 DEVMETHOD(bus_print_child, bus_generic_print_child), 320 { 0, 0 } 321 }; 322 323 static driver_t fb_driver = { 324 FB_DRIVER_NAME, 325 fb_methods, 326 0, 327 }; 328 329 static int 330 fbprobe(device_t dev) 331 { 332 int unit; 333 334 unit = device_get_unit(dev); 335 if (unit >= adapters) 336 return ENXIO; 337 if (adapter[unit] == NULL) 338 return ENXIO; 339 340 device_set_desc(dev, "generic frame buffer"); 341 return 0; 342 } 343 344 static int 345 fbattach(device_t dev) 346 { 347 printf("fbattach: about to attach children\n"); 348 bus_generic_attach(dev); 349 return 0; 350 } 351 352 #endif /* experimental */ 353 354 #define FB_UNIT(dev) minor(dev) 355 #define FB_MKMINOR(unit) (u) 356 357 static d_open_t fbopen; 358 static d_close_t fbclose; 359 static d_read_t fbread; 360 static d_write_t fbwrite; 361 static d_ioctl_t fbioctl; 362 static d_mmap_t fbmmap; 363 364 #define CDEV_MAJOR 123 /* XXX */ 365 366 static struct cdevsw fb_cdevsw = { 367 /* name */ FB_DRIVER_NAME, 368 /* maj */ CDEV_MAJOR, 369 /* flags */ 0, 370 /* port */ NULL, 371 /* autoq */ 0, 372 373 /* open */ fbopen, 374 /* close */ fbclose, 375 /* read */ fbread, 376 /* write */ fbwrite, 377 /* ioctl */ fbioctl, 378 /* poll */ nopoll, 379 /* mmap */ fbmmap, 380 /* strategy */ nostrategy, 381 /* dump */ nodump, 382 /* psize */ nopsize 383 }; 384 385 static void 386 vfbattach(void *arg) 387 { 388 static int fb_devsw_installed = FALSE; 389 390 if (!fb_devsw_installed) { 391 cdevsw_add(&fb_cdevsw); 392 fb_devsw_installed = TRUE; 393 } 394 } 395 396 PSEUDO_SET(vfbattach, fb); 397 398 /* 399 * Note: dev represents the actual video device, not the frame buffer 400 */ 401 int 402 fb_attach(dev_t dev, video_adapter_t *adp) 403 { 404 int s; 405 406 if (adp->va_index >= adapters) 407 return EINVAL; 408 if (adapter[adp->va_index] != adp) 409 return EINVAL; 410 411 s = spltty(); 412 adp->va_minor = minor(dev); 413 vidcdevsw[adp->va_index] = dev_dport(dev); 414 splx(s); 415 416 printf("fb%d at %s%d\n", adp->va_index, adp->va_name, adp->va_unit); 417 return 0; 418 } 419 420 #if 0 /* never seems to be called */ 421 /* 422 * Note: dev represents the actual video device, not the frame buffer 423 */ 424 int 425 fb_detach(dev_t dev, video_adapter_t *adp) 426 { 427 int s; 428 429 if (adp->va_index >= adapters) 430 return EINVAL; 431 if (adapter[adp->va_index] != adp) 432 return EINVAL; 433 if (vidcdevsw[adp->va_index] != port) 434 return EINVAL; 435 436 s = spltty(); 437 vidcdevsw[adp->va_index] = NULL; 438 splx(s); 439 return 0; 440 } 441 #endif 442 443 static int 444 fbopen(dev_t dev, int flag, int mode, struct thread *td) 445 { 446 int unit; 447 448 unit = FB_UNIT(dev); 449 if (unit >= adapters) 450 return ENXIO; 451 if (vidcdevsw[unit] == NULL) 452 return ENXIO; 453 return dev_port_dopen(vidcdevsw[unit], 454 makedev(0, adapter[unit]->va_minor), 455 flag, mode, td); 456 } 457 458 static int 459 fbclose(dev_t dev, int flag, int mode, struct thread *td) 460 { 461 int unit; 462 463 unit = FB_UNIT(dev); 464 if (vidcdevsw[unit] == NULL) 465 return ENXIO; 466 return dev_port_dclose(vidcdevsw[unit], 467 makedev(0, adapter[unit]->va_minor), 468 flag, mode, td); 469 } 470 471 static int 472 fbread(dev_t dev, struct uio *uio, int flag) 473 { 474 int unit; 475 476 unit = FB_UNIT(dev); 477 if (vidcdevsw[unit] == NULL) 478 return ENXIO; 479 return dev_port_dread(vidcdevsw[unit], 480 makedev(0, adapter[unit]->va_minor), 481 uio, flag); 482 } 483 484 static int 485 fbwrite(dev_t dev, struct uio *uio, int flag) 486 { 487 int unit; 488 489 unit = FB_UNIT(dev); 490 if (vidcdevsw[unit] == NULL) 491 return ENXIO; 492 return dev_port_dwrite(vidcdevsw[unit], 493 makedev(0, adapter[unit]->va_minor), 494 uio, flag); 495 } 496 497 static int 498 fbioctl(dev_t dev, u_long cmd, caddr_t arg, int flag, struct thread *td) 499 { 500 int unit; 501 502 unit = FB_UNIT(dev); 503 if (vidcdevsw[unit] == NULL) 504 return ENXIO; 505 return dev_port_dioctl(vidcdevsw[unit], 506 makedev(0, adapter[unit]->va_minor), 507 cmd, arg, flag, td); 508 } 509 510 static int 511 fbmmap(dev_t dev, vm_offset_t offset, int nprot) 512 { 513 int unit; 514 515 unit = FB_UNIT(dev); 516 if (vidcdevsw[unit] == NULL) 517 return ENXIO; 518 return (dev_port_dmmap(vidcdevsw[unit], 519 makedev(0, adapter[unit]->va_minor), 520 offset, nprot)); 521 } 522 523 #if experimental 524 DEV_DRIVER_MODULE(fb, ???, fb_driver, fb_devclass, fb_cdevsw, 0, 0); 525 #endif 526 527 /* 528 * Generic frame buffer cdev driver functions 529 * Frame buffer subdrivers may call these functions to implement common 530 * driver functions. 531 */ 532 533 int genfbopen(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 if (!(sc->gfb_flags & FB_OPEN)) 540 sc->gfb_flags |= FB_OPEN; 541 splx(s); 542 return 0; 543 } 544 545 int genfbclose(genfb_softc_t *sc, video_adapter_t *adp, int flag, int mode, 546 struct thread *td) 547 { 548 int s; 549 550 s = spltty(); 551 sc->gfb_flags &= ~FB_OPEN; 552 splx(s); 553 return 0; 554 } 555 556 int genfbread(genfb_softc_t *sc, video_adapter_t *adp, struct uio *uio, 557 int flag) 558 { 559 int size; 560 int offset; 561 int error; 562 int len; 563 564 error = 0; 565 size = adp->va_buffer_size/adp->va_info.vi_planes; 566 while (uio->uio_resid > 0) { 567 if (uio->uio_offset >= size) 568 break; 569 offset = uio->uio_offset%adp->va_window_size; 570 len = imin(uio->uio_resid, size - uio->uio_offset); 571 len = imin(len, adp->va_window_size - offset); 572 if (len <= 0) 573 break; 574 (*vidsw[adp->va_index]->set_win_org)(adp, uio->uio_offset); 575 error = uiomove((caddr_t)(adp->va_window + offset), len, uio); 576 if (error) 577 break; 578 } 579 return error; 580 } 581 582 int genfbwrite(genfb_softc_t *sc, video_adapter_t *adp, struct uio *uio, 583 int flag) 584 { 585 return ENODEV; 586 } 587 588 int genfbioctl(genfb_softc_t *sc, video_adapter_t *adp, u_long cmd, 589 caddr_t arg, int flag, struct thread *td) 590 { 591 int error; 592 593 if (adp == NULL) /* XXX */ 594 return ENXIO; 595 error = (*vidsw[adp->va_index]->ioctl)(adp, cmd, arg); 596 if (error == ENOIOCTL) 597 error = ENODEV; 598 return error; 599 } 600 601 int genfbmmap(genfb_softc_t *sc, video_adapter_t *adp, vm_offset_t offset, 602 int prot) 603 { 604 return (*vidsw[adp->va_index]->mmap)(adp, offset, prot); 605 } 606 607 #endif /* FB_INSTALL_CDEV */ 608 609 static char 610 *adapter_name(int type) 611 { 612 static struct { 613 int type; 614 char *name; 615 } names[] = { 616 { KD_MONO, "MDA" }, 617 { KD_HERCULES, "Hercules" }, 618 { KD_CGA, "CGA" }, 619 { KD_EGA, "EGA" }, 620 { KD_VGA, "VGA" }, 621 { KD_PC98, "PC-98x1" }, 622 { KD_TGA, "TGA" }, 623 { -1, "Unknown" }, 624 }; 625 int i; 626 627 for (i = 0; names[i].type != -1; ++i) 628 if (names[i].type == type) 629 break; 630 return names[i].name; 631 } 632 633 /* 634 * Generic low-level frame buffer functions 635 * The low-level functions in the frame buffer subdriver may use these 636 * functions. 637 */ 638 639 void 640 fb_dump_adp_info(char *driver, video_adapter_t *adp, int level) 641 { 642 if (level <= 0) 643 return; 644 645 printf("%s%d: %s%d, %s, type:%s (%d), flags:0x%x\n", 646 FB_DRIVER_NAME, adp->va_index, driver, adp->va_unit, adp->va_name, 647 adapter_name(adp->va_type), adp->va_type, adp->va_flags); 648 printf("%s%d: port:0x%x-0x%x, crtc:0x%x, mem:0x%x 0x%x\n", 649 FB_DRIVER_NAME, adp->va_index, 650 adp->va_io_base, adp->va_io_base + adp->va_io_size - 1, 651 adp->va_crtc_addr, adp->va_mem_base, adp->va_mem_size); 652 printf("%s%d: init mode:%d, bios mode:%d, current mode:%d\n", 653 FB_DRIVER_NAME, adp->va_index, 654 adp->va_initial_mode, adp->va_initial_bios_mode, adp->va_mode); 655 printf("%s%d: window:%p size:%dk gran:%dk, buf:%p size:%dk\n", 656 FB_DRIVER_NAME, adp->va_index, 657 (void *)adp->va_window, (int)adp->va_window_size/1024, 658 (int)adp->va_window_gran/1024, (void *)adp->va_buffer, 659 (int)adp->va_buffer_size/1024); 660 } 661 662 void 663 fb_dump_mode_info(char *driver, video_adapter_t *adp, video_info_t *info, 664 int level) 665 { 666 if (level <= 0) 667 return; 668 669 printf("%s%d: %s, mode:%d, flags:0x%x ", 670 driver, adp->va_unit, adp->va_name, info->vi_mode, info->vi_flags); 671 if (info->vi_flags & V_INFO_GRAPHICS) 672 printf("G %dx%dx%d, %d plane(s), font:%dx%d, ", 673 info->vi_width, info->vi_height, 674 info->vi_depth, info->vi_planes, 675 info->vi_cwidth, info->vi_cheight); 676 else 677 printf("T %dx%d, font:%dx%d, ", 678 info->vi_width, info->vi_height, 679 info->vi_cwidth, info->vi_cheight); 680 printf("win:0x%x\n", info->vi_window); 681 } 682 683 int 684 fb_type(int adp_type) 685 { 686 static struct { 687 int fb_type; 688 int va_type; 689 } types[] = { 690 { FBTYPE_MDA, KD_MONO }, 691 { FBTYPE_HERCULES, KD_HERCULES }, 692 { FBTYPE_CGA, KD_CGA }, 693 { FBTYPE_EGA, KD_EGA }, 694 { FBTYPE_VGA, KD_VGA }, 695 { FBTYPE_PC98, KD_PC98 }, 696 { FBTYPE_TGA, KD_TGA }, 697 }; 698 int i; 699 700 for (i = 0; i < sizeof(types)/sizeof(types[0]); ++i) { 701 if (types[i].va_type == adp_type) 702 return types[i].fb_type; 703 } 704 return -1; 705 } 706 707 int 708 fb_commonioctl(video_adapter_t *adp, u_long cmd, caddr_t arg) 709 { 710 int error; 711 int s; 712 713 /* assert(adp != NULL) */ 714 715 error = 0; 716 s = spltty(); 717 718 switch (cmd) { 719 720 case FBIO_ADAPTER: /* get video adapter index */ 721 *(int *)arg = adp->va_index; 722 break; 723 724 case FBIO_ADPTYPE: /* get video adapter type */ 725 *(int *)arg = adp->va_type; 726 break; 727 728 case FBIO_ADPINFO: /* get video adapter info */ 729 ((video_adapter_info_t *)arg)->va_index = adp->va_index; 730 ((video_adapter_info_t *)arg)->va_type = adp->va_type; 731 bcopy(adp->va_name, ((video_adapter_info_t *)arg)->va_name, 732 imin(strlen(adp->va_name) + 1, 733 sizeof(((video_adapter_info_t *)arg)->va_name))); 734 ((video_adapter_info_t *)arg)->va_unit = adp->va_unit; 735 ((video_adapter_info_t *)arg)->va_flags = adp->va_flags; 736 ((video_adapter_info_t *)arg)->va_io_base = adp->va_io_base; 737 ((video_adapter_info_t *)arg)->va_io_size = adp->va_io_size; 738 ((video_adapter_info_t *)arg)->va_crtc_addr = adp->va_crtc_addr; 739 ((video_adapter_info_t *)arg)->va_mem_base = adp->va_mem_base; 740 ((video_adapter_info_t *)arg)->va_mem_size = adp->va_mem_size; 741 ((video_adapter_info_t *)arg)->va_window 742 #ifdef __i386__ 743 = vtophys(adp->va_window); 744 #else 745 = adp->va_window; 746 #endif 747 ((video_adapter_info_t *)arg)->va_window_size 748 = adp->va_window_size; 749 ((video_adapter_info_t *)arg)->va_window_gran 750 = adp->va_window_gran; 751 ((video_adapter_info_t *)arg)->va_window_orig 752 = adp->va_window_orig; 753 ((video_adapter_info_t *)arg)->va_unused0 754 #ifdef __i386__ 755 = (adp->va_buffer) ? vtophys(adp->va_buffer) : 0; 756 #else 757 = adp->va_buffer; 758 #endif 759 ((video_adapter_info_t *)arg)->va_buffer_size 760 = adp->va_buffer_size; 761 ((video_adapter_info_t *)arg)->va_mode = adp->va_mode; 762 ((video_adapter_info_t *)arg)->va_initial_mode 763 = adp->va_initial_mode; 764 ((video_adapter_info_t *)arg)->va_initial_bios_mode 765 = adp->va_initial_bios_mode; 766 ((video_adapter_info_t *)arg)->va_line_width 767 = adp->va_line_width; 768 ((video_adapter_info_t *)arg)->va_disp_start.x 769 = adp->va_disp_start.x; 770 ((video_adapter_info_t *)arg)->va_disp_start.y 771 = adp->va_disp_start.y; 772 break; 773 774 case FBIO_MODEINFO: /* get mode information */ 775 error = (*vidsw[adp->va_index]->get_info)(adp, 776 ((video_info_t *)arg)->vi_mode, 777 (video_info_t *)arg); 778 if (error) 779 error = ENODEV; 780 break; 781 782 case FBIO_FINDMODE: /* find a matching video mode */ 783 error = (*vidsw[adp->va_index]->query_mode)(adp, 784 (video_info_t *)arg); 785 break; 786 787 case FBIO_GETMODE: /* get video mode */ 788 *(int *)arg = adp->va_mode; 789 break; 790 791 case FBIO_SETMODE: /* set video mode */ 792 error = (*vidsw[adp->va_index]->set_mode)(adp, *(int *)arg); 793 if (error) 794 error = ENODEV; /* EINVAL? */ 795 break; 796 797 case FBIO_GETWINORG: /* get frame buffer window origin */ 798 *(u_int *)arg = adp->va_window_orig; 799 break; 800 801 case FBIO_GETDISPSTART: /* get display start address */ 802 ((video_display_start_t *)arg)->x = adp->va_disp_start.x; 803 ((video_display_start_t *)arg)->y = adp->va_disp_start.y; 804 break; 805 806 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */ 807 *(u_int *)arg = adp->va_line_width; 808 break; 809 810 case FBIO_GETPALETTE: /* get color palette */ 811 case FBIO_SETPALETTE: /* set color palette */ 812 /* XXX */ 813 814 case FBIOPUTCMAP: 815 case FBIOGETCMAP: 816 /* XXX */ 817 818 case FBIO_SETWINORG: /* set frame buffer window origin */ 819 case FBIO_SETDISPSTART: /* set display start address */ 820 case FBIO_SETLINEWIDTH: /* set scan line width in pixel */ 821 822 case FBIOGTYPE: 823 case FBIOGATTR: 824 case FBIOSVIDEO: 825 case FBIOGVIDEO: 826 case FBIOSCURSOR: 827 case FBIOGCURSOR: 828 case FBIOSCURPOS: 829 case FBIOGCURPOS: 830 case FBIOGCURMAX: 831 832 default: 833 error = ENODEV; 834 break; 835 } 836 837 splx(s); 838 return error; 839 } 840