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 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 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/module.h> 41 #include <sys/uio.h> 42 #include <sys/fbio.h> 43 #include <sys/linker_set.h> 44 45 #include <vm/vm.h> 46 #include <vm/pmap.h> 47 48 #include <dev/fb/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 cdevsw *vidcdevsw_ini; 69 static struct cdevsw **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 cdevsw **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 | M_ZERO); 91 new_vidsw = malloc(sizeof(*new_vidsw)*newsize, M_DEVBUF, 92 M_WAITOK | M_ZERO); 93 #ifdef FB_INSTALL_CDEV 94 new_cdevsw = malloc(sizeof(*new_cdevsw)*newsize, M_DEVBUF, 95 M_WAITOK | M_ZERO); 96 #endif 97 bcopy(adapter, new_adp, sizeof(*adapter)*adapters); 98 bcopy(vidsw, new_vidsw, sizeof(*vidsw)*adapters); 99 #ifdef FB_INSTALL_CDEV 100 bcopy(vidcdevsw, new_cdevsw, sizeof(*vidcdevsw)*adapters); 101 #endif 102 if (adapters > 1) { 103 free(adapter, M_DEVBUF); 104 free(vidsw, M_DEVBUF); 105 #ifdef FB_INSTALL_CDEV 106 free(vidcdevsw, M_DEVBUF); 107 #endif 108 } 109 adapter = new_adp; 110 vidsw = new_vidsw; 111 #ifdef FB_INSTALL_CDEV 112 vidcdevsw = new_cdevsw; 113 #endif 114 adapters = newsize; 115 splx(s); 116 117 if (bootverbose) 118 printf("fb: new array size %d\n", adapters); 119 120 return 0; 121 } 122 123 static void 124 vid_malloc_init(void *arg) 125 { 126 vid_malloc = TRUE; 127 } 128 129 SYSINIT(vid_mem, SI_SUB_KMEM, SI_ORDER_ANY, vid_malloc_init, NULL); 130 131 /* 132 * Low-level frame buffer driver functions 133 * frame buffer subdrivers, such as the VGA driver, call these functions 134 * to initialize the video_adapter structure and register it to the virtual 135 * frame buffer driver `fb'. 136 */ 137 138 /* initialize the video_adapter_t structure */ 139 void 140 vid_init_struct(video_adapter_t *adp, char *name, int type, int unit) 141 { 142 adp->va_flags = 0; 143 adp->va_name = name; 144 adp->va_type = type; 145 adp->va_unit = unit; 146 } 147 148 /* Register a video adapter */ 149 int 150 vid_register(video_adapter_t *adp) 151 { 152 const video_driver_t **list; 153 const video_driver_t *p; 154 int index; 155 156 for (index = 0; index < adapters; ++index) { 157 if (adapter[index] == NULL) 158 break; 159 } 160 if (index >= adapters) { 161 if (vid_realloc_array()) 162 return -1; 163 } 164 165 adp->va_index = index; 166 adp->va_token = NULL; 167 SET_FOREACH(list, videodriver_set) { 168 p = *list; 169 if (strcmp(p->name, adp->va_name) == 0) { 170 adapter[index] = adp; 171 vidsw[index] = p->vidsw; 172 return index; 173 } 174 } 175 176 return -1; 177 } 178 179 int 180 vid_unregister(video_adapter_t *adp) 181 { 182 if ((adp->va_index < 0) || (adp->va_index >= adapters)) 183 return ENOENT; 184 if (adapter[adp->va_index] != adp) 185 return ENOENT; 186 187 adapter[adp->va_index] = NULL; 188 vidsw[adp->va_index] = NULL; 189 return 0; 190 } 191 192 /* Get video I/O function table */ 193 video_switch_t 194 *vid_get_switch(char *name) 195 { 196 const video_driver_t **list; 197 const video_driver_t *p; 198 199 SET_FOREACH(list, videodriver_set) { 200 p = *list; 201 if (strcmp(p->name, name) == 0) 202 return p->vidsw; 203 } 204 205 return NULL; 206 } 207 208 /* 209 * Video card client functions 210 * Video card clients, such as the console driver `syscons' and the frame 211 * buffer cdev driver, use these functions to claim and release a card for 212 * exclusive use. 213 */ 214 215 /* find the video card specified by a driver name and a unit number */ 216 int 217 vid_find_adapter(char *driver, int unit) 218 { 219 int i; 220 221 for (i = 0; i < adapters; ++i) { 222 if (adapter[i] == NULL) 223 continue; 224 if (strcmp("*", driver) && strcmp(adapter[i]->va_name, driver)) 225 continue; 226 if ((unit != -1) && (adapter[i]->va_unit != unit)) 227 continue; 228 return i; 229 } 230 return -1; 231 } 232 233 /* allocate a video card */ 234 int 235 vid_allocate(char *driver, int unit, void *id) 236 { 237 int index; 238 int s; 239 240 s = spltty(); 241 index = vid_find_adapter(driver, unit); 242 if (index >= 0) { 243 if (adapter[index]->va_token) { 244 splx(s); 245 return -1; 246 } 247 adapter[index]->va_token = id; 248 } 249 splx(s); 250 return index; 251 } 252 253 int 254 vid_release(video_adapter_t *adp, void *id) 255 { 256 int error; 257 int s; 258 259 s = spltty(); 260 if (adp->va_token == NULL) { 261 error = EINVAL; 262 } else if (adp->va_token != id) { 263 error = EPERM; 264 } else { 265 adp->va_token = NULL; 266 error = 0; 267 } 268 splx(s); 269 return error; 270 } 271 272 /* Get a video adapter structure */ 273 video_adapter_t 274 *vid_get_adapter(int index) 275 { 276 if ((index < 0) || (index >= adapters)) 277 return NULL; 278 return adapter[index]; 279 } 280 281 /* Configure drivers: this is a backdoor for the console driver XXX */ 282 int 283 vid_configure(int flags) 284 { 285 const video_driver_t **list; 286 const video_driver_t *p; 287 288 SET_FOREACH(list, videodriver_set) { 289 p = *list; 290 if (p->configure != NULL) 291 (*p->configure)(flags); 292 } 293 294 return 0; 295 } 296 297 /* 298 * Virtual frame buffer cdev driver functions 299 * The virtual frame buffer driver dispatches driver functions to 300 * appropriate subdrivers. 301 */ 302 303 #define FB_DRIVER_NAME "fb" 304 305 #ifdef FB_INSTALL_CDEV 306 307 #if experimental 308 309 static devclass_t fb_devclass; 310 311 static int fbprobe(device_t dev); 312 static int fbattach(device_t dev); 313 314 static device_method_t fb_methods[] = { 315 DEVMETHOD(device_probe, fbprobe), 316 DEVMETHOD(device_attach, fbattach), 317 318 DEVMETHOD(bus_print_child, bus_generic_print_child), 319 { 0, 0 } 320 }; 321 322 static driver_t fb_driver = { 323 FB_DRIVER_NAME, 324 fb_methods, 325 0, 326 }; 327 328 static int 329 fbprobe(device_t dev) 330 { 331 int unit; 332 333 unit = device_get_unit(dev); 334 if (unit >= adapters) 335 return ENXIO; 336 if (adapter[unit] == NULL) 337 return ENXIO; 338 339 device_set_desc(dev, "generic frame buffer"); 340 return 0; 341 } 342 343 static int 344 fbattach(device_t dev) 345 { 346 printf("fbattach: about to attach children\n"); 347 bus_generic_attach(dev); 348 return 0; 349 } 350 351 #endif /* experimental */ 352 353 #define FB_UNIT(dev) minor(dev) 354 #define FB_MKMINOR(unit) (u) 355 356 #if experimental 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 .d_open = fbopen, 368 .d_close = fbclose, 369 .d_read = fbread, 370 .d_write = fbwrite, 371 .d_ioctl = fbioctl, 372 .d_mmap = fbmmap, 373 .d_name = FB_DRIVER_NAME, 374 .d_maj = CDEV_MAJOR, 375 }; 376 #endif 377 378 379 static int 380 fb_modevent(module_t mod, int type, void *data) 381 { 382 383 switch (type) { 384 case MOD_LOAD: 385 break; 386 case MOD_UNLOAD: 387 printf("fb module unload - not possible for this module type\n"); 388 return EINVAL; 389 } 390 return 0; 391 } 392 393 static moduledata_t fb_mod = { 394 "fb", 395 fb_modevent, 396 NULL 397 }; 398 399 DECLARE_MODULE(fb, fb_mod, SI_SUB_PSEUDO, SI_ORDER_ANY); 400 401 int 402 fb_attach(dev_t dev, video_adapter_t *adp, struct cdevsw *cdevsw) 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] = cdevsw; 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 int 421 fb_detach(dev_t dev, video_adapter_t *adp, struct cdevsw *cdevsw) 422 { 423 int s; 424 425 if (adp->va_index >= adapters) 426 return EINVAL; 427 if (adapter[adp->va_index] != adp) 428 return EINVAL; 429 if (vidcdevsw[adp->va_index] != cdevsw) 430 return EINVAL; 431 432 s = spltty(); 433 vidcdevsw[adp->va_index] = NULL; 434 splx(s); 435 return 0; 436 } 437 438 #if experimental 439 static int 440 fbopen(dev_t dev, int flag, int mode, struct thread *td) 441 { 442 int unit; 443 444 unit = FB_UNIT(dev); 445 if (unit >= adapters) 446 return ENXIO; 447 if (vidcdevsw[unit] == NULL) 448 return ENXIO; 449 return (*vidcdevsw[unit]->d_open)(makedev(0, adapter[unit]->va_minor), 450 flag, mode, td); 451 } 452 453 static int 454 fbclose(dev_t dev, int flag, int mode, struct thread *td) 455 { 456 int unit; 457 458 unit = FB_UNIT(dev); 459 if (vidcdevsw[unit] == NULL) 460 return ENXIO; 461 return (*vidcdevsw[unit]->d_close)(makedev(0, adapter[unit]->va_minor), 462 flag, mode, td); 463 } 464 465 static int 466 fbread(dev_t dev, struct uio *uio, int flag) 467 { 468 int unit; 469 470 unit = FB_UNIT(dev); 471 if (vidcdevsw[unit] == NULL) 472 return ENXIO; 473 return (*vidcdevsw[unit]->d_read)(makedev(0, adapter[unit]->va_minor), 474 uio, flag); 475 } 476 477 static int 478 fbwrite(dev_t dev, struct uio *uio, int flag) 479 { 480 int unit; 481 482 unit = FB_UNIT(dev); 483 if (vidcdevsw[unit] == NULL) 484 return ENXIO; 485 return (*vidcdevsw[unit]->d_write)(makedev(0, adapter[unit]->va_minor), 486 uio, flag); 487 } 488 489 static int 490 fbioctl(dev_t dev, u_long cmd, caddr_t arg, int flag, struct thread *td) 491 { 492 int unit; 493 494 unit = FB_UNIT(dev); 495 if (vidcdevsw[unit] == NULL) 496 return ENXIO; 497 return (*vidcdevsw[unit]->d_ioctl)(makedev(0, adapter[unit]->va_minor), 498 cmd, arg, flag, td); 499 } 500 501 static int 502 fbmmap(dev_t dev, vm_offset_t offset, vm_paddr_t *paddr, int nprot) 503 { 504 int unit; 505 506 unit = FB_UNIT(dev); 507 if (vidcdevsw[unit] == NULL) 508 return ENXIO; 509 return (*vidcdevsw[unit]->d_mmap)(makedev(0, adapter[unit]->va_minor), 510 offset, paddr, nprot); 511 } 512 513 DEV_DRIVER_MODULE(fb, foo, fb_driver, fb_devclass, fb_cdevsw, 0, 0); 514 #endif 515 516 /* 517 * Generic frame buffer cdev driver functions 518 * Frame buffer subdrivers may call these functions to implement common 519 * driver functions. 520 */ 521 522 int genfbopen(genfb_softc_t *sc, video_adapter_t *adp, int flag, int mode, 523 struct thread *td) 524 { 525 int s; 526 527 s = spltty(); 528 if (!(sc->gfb_flags & FB_OPEN)) 529 sc->gfb_flags |= FB_OPEN; 530 splx(s); 531 return 0; 532 } 533 534 int genfbclose(genfb_softc_t *sc, video_adapter_t *adp, int flag, int mode, 535 struct thread *td) 536 { 537 int s; 538 539 s = spltty(); 540 sc->gfb_flags &= ~FB_OPEN; 541 splx(s); 542 return 0; 543 } 544 545 int genfbread(genfb_softc_t *sc, video_adapter_t *adp, struct uio *uio, 546 int flag) 547 { 548 int size; 549 int offset; 550 int error; 551 int len; 552 553 error = 0; 554 size = adp->va_buffer_size/adp->va_info.vi_planes; 555 while (uio->uio_resid > 0) { 556 if (uio->uio_offset >= size) 557 break; 558 offset = uio->uio_offset%adp->va_window_size; 559 len = imin(uio->uio_resid, size - uio->uio_offset); 560 len = imin(len, adp->va_window_size - offset); 561 if (len <= 0) 562 break; 563 (*vidsw[adp->va_index]->set_win_org)(adp, uio->uio_offset); 564 error = uiomove((caddr_t)(adp->va_window + offset), len, uio); 565 if (error) 566 break; 567 } 568 return error; 569 } 570 571 int genfbwrite(genfb_softc_t *sc, video_adapter_t *adp, struct uio *uio, 572 int flag) 573 { 574 return ENODEV; 575 } 576 577 int genfbioctl(genfb_softc_t *sc, video_adapter_t *adp, u_long cmd, 578 caddr_t arg, int flag, struct thread *td) 579 { 580 int error; 581 582 if (adp == NULL) /* XXX */ 583 return ENXIO; 584 error = (*vidsw[adp->va_index]->ioctl)(adp, cmd, arg); 585 if (error == ENOIOCTL) 586 error = ENODEV; 587 return error; 588 } 589 590 int genfbmmap(genfb_softc_t *sc, video_adapter_t *adp, vm_offset_t offset, 591 vm_offset_t *paddr, int prot) 592 { 593 return (*vidsw[adp->va_index]->mmap)(adp, offset, paddr, prot); 594 } 595 596 #endif /* FB_INSTALL_CDEV */ 597 598 static char 599 *adapter_name(int type) 600 { 601 static struct { 602 int type; 603 char *name; 604 } names[] = { 605 { KD_MONO, "MDA" }, 606 { KD_HERCULES, "Hercules" }, 607 { KD_CGA, "CGA" }, 608 { KD_EGA, "EGA" }, 609 { KD_VGA, "VGA" }, 610 { KD_PC98, "PC-98x1" }, 611 { KD_TGA, "TGA" }, 612 { -1, "Unknown" }, 613 }; 614 int i; 615 616 for (i = 0; names[i].type != -1; ++i) 617 if (names[i].type == type) 618 break; 619 return names[i].name; 620 } 621 622 /* 623 * Generic low-level frame buffer functions 624 * The low-level functions in the frame buffer subdriver may use these 625 * functions. 626 */ 627 628 void 629 fb_dump_adp_info(char *driver, video_adapter_t *adp, int level) 630 { 631 if (level <= 0) 632 return; 633 634 printf("%s%d: %s%d, %s, type:%s (%d), flags:0x%x\n", 635 FB_DRIVER_NAME, adp->va_index, driver, adp->va_unit, adp->va_name, 636 adapter_name(adp->va_type), adp->va_type, adp->va_flags); 637 printf("%s%d: port:0x%lx-0x%lx, crtc:0x%lx, mem:0x%lx 0x%x\n", 638 FB_DRIVER_NAME, adp->va_index, (u_long)adp->va_io_base, 639 (u_long)adp->va_io_base + adp->va_io_size - 1, 640 (u_long)adp->va_crtc_addr, (u_long)adp->va_mem_base, 641 adp->va_mem_size); 642 printf("%s%d: init mode:%d, bios mode:%d, current mode:%d\n", 643 FB_DRIVER_NAME, adp->va_index, 644 adp->va_initial_mode, adp->va_initial_bios_mode, adp->va_mode); 645 printf("%s%d: window:%p size:%dk gran:%dk, buf:%p size:%dk\n", 646 FB_DRIVER_NAME, adp->va_index, 647 (void *)adp->va_window, (int)adp->va_window_size/1024, 648 (int)adp->va_window_gran/1024, (void *)adp->va_buffer, 649 (int)adp->va_buffer_size/1024); 650 } 651 652 void 653 fb_dump_mode_info(char *driver, video_adapter_t *adp, video_info_t *info, 654 int level) 655 { 656 if (level <= 0) 657 return; 658 659 printf("%s%d: %s, mode:%d, flags:0x%x ", 660 driver, adp->va_unit, adp->va_name, info->vi_mode, info->vi_flags); 661 if (info->vi_flags & V_INFO_GRAPHICS) 662 printf("G %dx%dx%d, %d plane(s), font:%dx%d, ", 663 info->vi_width, info->vi_height, 664 info->vi_depth, info->vi_planes, 665 info->vi_cwidth, info->vi_cheight); 666 else 667 printf("T %dx%d, font:%dx%d, ", 668 info->vi_width, info->vi_height, 669 info->vi_cwidth, info->vi_cheight); 670 printf("win:0x%lx\n", (u_long)info->vi_window); 671 } 672 673 int 674 fb_type(int adp_type) 675 { 676 static struct { 677 int fb_type; 678 int va_type; 679 } types[] = { 680 { FBTYPE_MDA, KD_MONO }, 681 { FBTYPE_HERCULES, KD_HERCULES }, 682 { FBTYPE_CGA, KD_CGA }, 683 { FBTYPE_EGA, KD_EGA }, 684 { FBTYPE_VGA, KD_VGA }, 685 { FBTYPE_PC98, KD_PC98 }, 686 { FBTYPE_TGA, KD_TGA }, 687 }; 688 int i; 689 690 for (i = 0; i < sizeof(types)/sizeof(types[0]); ++i) { 691 if (types[i].va_type == adp_type) 692 return types[i].fb_type; 693 } 694 return -1; 695 } 696 697 int 698 fb_commonioctl(video_adapter_t *adp, u_long cmd, caddr_t arg) 699 { 700 int error; 701 int s; 702 703 /* assert(adp != NULL) */ 704 705 error = 0; 706 s = spltty(); 707 708 switch (cmd) { 709 710 case FBIO_ADAPTER: /* get video adapter index */ 711 *(int *)arg = adp->va_index; 712 break; 713 714 case FBIO_ADPTYPE: /* get video adapter type */ 715 *(int *)arg = adp->va_type; 716 break; 717 718 case FBIO_ADPINFO: /* get video adapter info */ 719 ((video_adapter_info_t *)arg)->va_index = adp->va_index; 720 ((video_adapter_info_t *)arg)->va_type = adp->va_type; 721 bcopy(adp->va_name, ((video_adapter_info_t *)arg)->va_name, 722 imin(strlen(adp->va_name) + 1, 723 sizeof(((video_adapter_info_t *)arg)->va_name))); 724 ((video_adapter_info_t *)arg)->va_unit = adp->va_unit; 725 ((video_adapter_info_t *)arg)->va_flags = adp->va_flags; 726 ((video_adapter_info_t *)arg)->va_io_base = adp->va_io_base; 727 ((video_adapter_info_t *)arg)->va_io_size = adp->va_io_size; 728 ((video_adapter_info_t *)arg)->va_crtc_addr = adp->va_crtc_addr; 729 ((video_adapter_info_t *)arg)->va_mem_base = adp->va_mem_base; 730 ((video_adapter_info_t *)arg)->va_mem_size = adp->va_mem_size; 731 ((video_adapter_info_t *)arg)->va_window 732 #ifdef __i386__ 733 = vtophys(adp->va_window); 734 #else 735 = adp->va_window; 736 #endif 737 ((video_adapter_info_t *)arg)->va_window_size 738 = adp->va_window_size; 739 ((video_adapter_info_t *)arg)->va_window_gran 740 = adp->va_window_gran; 741 ((video_adapter_info_t *)arg)->va_window_orig 742 = adp->va_window_orig; 743 ((video_adapter_info_t *)arg)->va_unused0 744 #ifdef __i386__ 745 = (adp->va_buffer) ? vtophys(adp->va_buffer) : 0; 746 #else 747 = adp->va_buffer; 748 #endif 749 ((video_adapter_info_t *)arg)->va_buffer_size 750 = adp->va_buffer_size; 751 ((video_adapter_info_t *)arg)->va_mode = adp->va_mode; 752 ((video_adapter_info_t *)arg)->va_initial_mode 753 = adp->va_initial_mode; 754 ((video_adapter_info_t *)arg)->va_initial_bios_mode 755 = adp->va_initial_bios_mode; 756 ((video_adapter_info_t *)arg)->va_line_width 757 = adp->va_line_width; 758 ((video_adapter_info_t *)arg)->va_disp_start.x 759 = adp->va_disp_start.x; 760 ((video_adapter_info_t *)arg)->va_disp_start.y 761 = adp->va_disp_start.y; 762 break; 763 764 case FBIO_MODEINFO: /* get mode information */ 765 error = (*vidsw[adp->va_index]->get_info)(adp, 766 ((video_info_t *)arg)->vi_mode, 767 (video_info_t *)arg); 768 if (error) 769 error = ENODEV; 770 break; 771 772 case FBIO_FINDMODE: /* find a matching video mode */ 773 error = (*vidsw[adp->va_index]->query_mode)(adp, 774 (video_info_t *)arg); 775 break; 776 777 case FBIO_GETMODE: /* get video mode */ 778 *(int *)arg = adp->va_mode; 779 break; 780 781 case FBIO_SETMODE: /* set video mode */ 782 error = (*vidsw[adp->va_index]->set_mode)(adp, *(int *)arg); 783 if (error) 784 error = ENODEV; /* EINVAL? */ 785 break; 786 787 case FBIO_GETWINORG: /* get frame buffer window origin */ 788 *(u_int *)arg = adp->va_window_orig; 789 break; 790 791 case FBIO_GETDISPSTART: /* get display start address */ 792 ((video_display_start_t *)arg)->x = adp->va_disp_start.x; 793 ((video_display_start_t *)arg)->y = adp->va_disp_start.y; 794 break; 795 796 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */ 797 *(u_int *)arg = adp->va_line_width; 798 break; 799 800 case FBIO_BLANK: /* blank display */ 801 error = (*vidsw[adp->va_index]->blank_display)(adp, *(int *)arg); 802 break; 803 804 case FBIO_GETPALETTE: /* get color palette */ 805 case FBIO_SETPALETTE: /* set color palette */ 806 /* XXX */ 807 808 case FBIOPUTCMAP: 809 case FBIOGETCMAP: 810 case FBIOPUTCMAPI: 811 case FBIOGETCMAPI: 812 /* XXX */ 813 814 case FBIO_SETWINORG: /* set frame buffer window origin */ 815 case FBIO_SETDISPSTART: /* set display start address */ 816 case FBIO_SETLINEWIDTH: /* set scan line width in pixel */ 817 818 case FBIOGTYPE: 819 case FBIOGATTR: 820 case FBIOSVIDEO: 821 case FBIOGVIDEO: 822 case FBIOVERTICAL: 823 case FBIOSCURSOR: 824 case FBIOGCURSOR: 825 case FBIOSCURPOS: 826 case FBIOGCURPOS: 827 case FBIOGCURMAX: 828 case FBIOMONINFO: 829 case FBIOGXINFO: 830 831 default: 832 error = ENODEV; 833 break; 834 } 835 836 splx(s); 837 return error; 838 } 839