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 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 | M_ZERO); 87 new_vidsw = malloc(sizeof(*new_vidsw)*newsize, M_DEVBUF, 88 M_WAITOK | M_ZERO); 89 #ifdef FB_INSTALL_CDEV 90 new_cdevsw = malloc(sizeof(*new_cdevsw)*newsize, M_DEVBUF, 91 M_WAITOK | M_ZERO); 92 #endif 93 bcopy(adapter, new_adp, sizeof(*adapter)*adapters); 94 bcopy(vidsw, new_vidsw, sizeof(*vidsw)*adapters); 95 #ifdef FB_INSTALL_CDEV 96 bcopy(vidcdevsw, new_cdevsw, sizeof(*vidcdevsw)*adapters); 97 #endif 98 if (adapters > 1) { 99 free(adapter, M_DEVBUF); 100 free(vidsw, M_DEVBUF); 101 #ifdef FB_INSTALL_CDEV 102 free(vidcdevsw, M_DEVBUF); 103 #endif 104 } 105 adapter = new_adp; 106 vidsw = new_vidsw; 107 #ifdef FB_INSTALL_CDEV 108 vidcdevsw = new_cdevsw; 109 #endif 110 adapters = newsize; 111 splx(s); 112 113 if (bootverbose) 114 printf("fb: new array size %d\n", adapters); 115 116 return 0; 117 } 118 119 static void 120 vid_malloc_init(void *arg) 121 { 122 vid_malloc = TRUE; 123 } 124 125 SYSINIT(vid_mem, SI_SUB_KMEM, SI_ORDER_ANY, vid_malloc_init, NULL); 126 127 /* 128 * Low-level frame buffer driver functions 129 * frame buffer subdrivers, such as the VGA driver, call these functions 130 * to initialize the video_adapter structure and register it to the virtual 131 * frame buffer driver `fb'. 132 */ 133 134 /* initialize the video_adapter_t structure */ 135 void 136 vid_init_struct(video_adapter_t *adp, char *name, int type, int unit) 137 { 138 adp->va_flags = 0; 139 adp->va_name = name; 140 adp->va_type = type; 141 adp->va_unit = unit; 142 } 143 144 /* Register a video adapter */ 145 int 146 vid_register(video_adapter_t *adp) 147 { 148 const video_driver_t **list; 149 const video_driver_t *p; 150 int index; 151 152 for (index = 0; index < adapters; ++index) { 153 if (adapter[index] == NULL) 154 break; 155 } 156 if (index >= adapters) { 157 if (vid_realloc_array()) 158 return -1; 159 } 160 161 adp->va_index = index; 162 adp->va_token = NULL; 163 list = (const video_driver_t **)videodriver_set.ls_items; 164 while ((p = *list++) != NULL) { 165 if (strcmp(p->name, adp->va_name) == 0) { 166 adapter[index] = adp; 167 vidsw[index] = p->vidsw; 168 return index; 169 } 170 } 171 172 return -1; 173 } 174 175 int 176 vid_unregister(video_adapter_t *adp) 177 { 178 if ((adp->va_index < 0) || (adp->va_index >= adapters)) 179 return ENOENT; 180 if (adapter[adp->va_index] != adp) 181 return ENOENT; 182 183 adapter[adp->va_index] = NULL; 184 vidsw[adp->va_index] = NULL; 185 return 0; 186 } 187 188 /* Get video I/O function table */ 189 video_switch_t 190 *vid_get_switch(char *name) 191 { 192 const video_driver_t **list; 193 const video_driver_t *p; 194 195 list = (const video_driver_t **)videodriver_set.ls_items; 196 while ((p = *list++) != NULL) { 197 if (strcmp(p->name, name) == 0) 198 return p->vidsw; 199 } 200 201 return NULL; 202 } 203 204 /* 205 * Video card client functions 206 * Video card clients, such as the console driver `syscons' and the frame 207 * buffer cdev driver, use these functions to claim and release a card for 208 * exclusive use. 209 */ 210 211 /* find the video card specified by a driver name and a unit number */ 212 int 213 vid_find_adapter(char *driver, int unit) 214 { 215 int i; 216 217 for (i = 0; i < adapters; ++i) { 218 if (adapter[i] == NULL) 219 continue; 220 if (strcmp("*", driver) && strcmp(adapter[i]->va_name, driver)) 221 continue; 222 if ((unit != -1) && (adapter[i]->va_unit != unit)) 223 continue; 224 return i; 225 } 226 return -1; 227 } 228 229 /* allocate a video card */ 230 int 231 vid_allocate(char *driver, int unit, void *id) 232 { 233 int index; 234 int s; 235 236 s = spltty(); 237 index = vid_find_adapter(driver, unit); 238 if (index >= 0) { 239 if (adapter[index]->va_token) { 240 splx(s); 241 return -1; 242 } 243 adapter[index]->va_token = id; 244 } 245 splx(s); 246 return index; 247 } 248 249 int 250 vid_release(video_adapter_t *adp, void *id) 251 { 252 int error; 253 int s; 254 255 s = spltty(); 256 if (adp->va_token == NULL) { 257 error = EINVAL; 258 } else if (adp->va_token != id) { 259 error = EPERM; 260 } else { 261 adp->va_token = NULL; 262 error = 0; 263 } 264 splx(s); 265 return error; 266 } 267 268 /* Get a video adapter structure */ 269 video_adapter_t 270 *vid_get_adapter(int index) 271 { 272 if ((index < 0) || (index >= adapters)) 273 return NULL; 274 return adapter[index]; 275 } 276 277 /* Configure drivers: this is a backdoor for the console driver XXX */ 278 int 279 vid_configure(int flags) 280 { 281 const video_driver_t **list; 282 const video_driver_t *p; 283 284 list = (const video_driver_t **)videodriver_set.ls_items; 285 while ((p = *list++) != NULL) { 286 if (p->configure != NULL) 287 (*p->configure)(flags); 288 } 289 290 return 0; 291 } 292 293 /* 294 * Virtual frame buffer cdev driver functions 295 * The virtual frame buffer driver dispatches driver functions to 296 * appropriate subdrivers. 297 */ 298 299 #define FB_DRIVER_NAME "fb" 300 301 #ifdef FB_INSTALL_CDEV 302 303 #if experimental 304 305 static devclass_t fb_devclass; 306 307 static int fbprobe(device_t dev); 308 static int fbattach(device_t dev); 309 310 static device_method_t fb_methods[] = { 311 DEVMETHOD(device_probe, fbprobe), 312 DEVMETHOD(device_attach, fbattach), 313 314 DEVMETHOD(bus_print_child, bus_generic_print_child), 315 { 0, 0 } 316 }; 317 318 static driver_t fb_driver = { 319 FB_DRIVER_NAME, 320 fb_methods, 321 0, 322 }; 323 324 static int 325 fbprobe(device_t dev) 326 { 327 int unit; 328 329 unit = device_get_unit(dev); 330 if (unit >= adapters) 331 return ENXIO; 332 if (adapter[unit] == NULL) 333 return ENXIO; 334 335 device_set_desc(dev, "generic frame buffer"); 336 return 0; 337 } 338 339 static int 340 fbattach(device_t dev) 341 { 342 printf("fbattach: about to attach children\n"); 343 bus_generic_attach(dev); 344 return 0; 345 } 346 347 #endif /* experimental */ 348 349 #define FB_UNIT(dev) minor(dev) 350 #define FB_MKMINOR(unit) (u) 351 352 static d_open_t fbopen; 353 static d_close_t fbclose; 354 static d_read_t fbread; 355 static d_write_t fbwrite; 356 static d_ioctl_t fbioctl; 357 static d_mmap_t fbmmap; 358 359 #define CDEV_MAJOR 123 /* XXX */ 360 361 static struct cdevsw fb_cdevsw = { 362 /* open */ fbopen, 363 /* close */ fbclose, 364 /* read */ fbread, 365 /* write */ fbwrite, 366 /* ioctl */ fbioctl, 367 /* poll */ nopoll, 368 /* mmap */ fbmmap, 369 /* strategy */ nostrategy, 370 /* name */ FB_DRIVER_NAME, 371 /* maj */ CDEV_MAJOR, 372 /* dump */ nodump, 373 /* psize */ nopsize, 374 /* flags */ 0, 375 }; 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 cdevsw_add(&fb_cdevsw); 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 static int 439 fbopen(dev_t dev, int flag, int mode, struct proc *p) 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, p); 450 } 451 452 static int 453 fbclose(dev_t dev, int flag, int mode, struct proc *p) 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, p); 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 proc *p) 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, p); 498 } 499 500 static int 501 fbmmap(dev_t dev, vm_offset_t offset, 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, nprot); 510 } 511 512 #if experimental 513 DEV_DRIVER_MODULE(fb, ???, 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 proc *p) 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 proc *p) 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 proc *p) 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 int prot) 592 { 593 return (*vidsw[adp->va_index]->mmap)(adp, offset, 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%x-0x%x, crtc:0x%x, mem:0x%x 0x%x\n", 638 FB_DRIVER_NAME, adp->va_index, 639 adp->va_io_base, adp->va_io_base + adp->va_io_size - 1, 640 adp->va_crtc_addr, adp->va_mem_base, 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%x\n", 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_GETPALETTE: /* get color palette */ 800 case FBIO_SETPALETTE: /* set color palette */ 801 /* XXX */ 802 803 case FBIOPUTCMAP: 804 case FBIOGETCMAP: 805 /* XXX */ 806 807 case FBIO_SETWINORG: /* set frame buffer window origin */ 808 case FBIO_SETDISPSTART: /* set display start address */ 809 case FBIO_SETLINEWIDTH: /* set scan line width in pixel */ 810 811 case FBIOGTYPE: 812 case FBIOGATTR: 813 case FBIOSVIDEO: 814 case FBIOGVIDEO: 815 case FBIOSCURSOR: 816 case FBIOGCURSOR: 817 case FBIOSCURPOS: 818 case FBIOGCURPOS: 819 case FBIOGCURMAX: 820 821 default: 822 error = ENODEV; 823 break; 824 } 825 826 splx(s); 827 return error; 828 } 829