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 /* bmaj */ -1 376 }; 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 cdevsw_add(&fb_cdevsw); 386 break; 387 case MOD_UNLOAD: 388 printf("fb module unload - not possible for this module type\n"); 389 return EINVAL; 390 } 391 return 0; 392 } 393 394 static moduledata_t fb_mod = { 395 "fb", 396 fb_modevent, 397 NULL 398 }; 399 400 DECLARE_MODULE(fb, fb_mod, SI_SUB_PSEUDO, SI_ORDER_ANY); 401 402 int 403 fb_attach(dev_t dev, video_adapter_t *adp, struct cdevsw *cdevsw) 404 { 405 int s; 406 407 if (adp->va_index >= adapters) 408 return EINVAL; 409 if (adapter[adp->va_index] != adp) 410 return EINVAL; 411 412 s = spltty(); 413 adp->va_minor = minor(dev); 414 vidcdevsw[adp->va_index] = cdevsw; 415 splx(s); 416 417 printf("fb%d at %s%d\n", adp->va_index, adp->va_name, adp->va_unit); 418 return 0; 419 } 420 421 int 422 fb_detach(dev_t dev, video_adapter_t *adp, struct cdevsw *cdevsw) 423 { 424 int s; 425 426 if (adp->va_index >= adapters) 427 return EINVAL; 428 if (adapter[adp->va_index] != adp) 429 return EINVAL; 430 if (vidcdevsw[adp->va_index] != cdevsw) 431 return EINVAL; 432 433 s = spltty(); 434 vidcdevsw[adp->va_index] = NULL; 435 splx(s); 436 return 0; 437 } 438 439 static int 440 fbopen(dev_t dev, int flag, int mode, struct proc *p) 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, p); 451 } 452 453 static int 454 fbclose(dev_t dev, int flag, int mode, struct proc *p) 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, p); 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 proc *p) 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, p); 499 } 500 501 static int 502 fbmmap(dev_t dev, vm_offset_t offset, 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, nprot); 511 } 512 513 #if experimental 514 DEV_DRIVER_MODULE(fb, ???, fb_driver, fb_devclass, fb_cdevsw, 0, 0); 515 #endif 516 517 /* 518 * Generic frame buffer cdev driver functions 519 * Frame buffer subdrivers may call these functions to implement common 520 * driver functions. 521 */ 522 523 int genfbopen(genfb_softc_t *sc, video_adapter_t *adp, int flag, int mode, 524 struct proc *p) 525 { 526 int s; 527 528 s = spltty(); 529 if (!(sc->gfb_flags & FB_OPEN)) 530 sc->gfb_flags |= FB_OPEN; 531 splx(s); 532 return 0; 533 } 534 535 int genfbclose(genfb_softc_t *sc, video_adapter_t *adp, int flag, int mode, 536 struct proc *p) 537 { 538 int s; 539 540 s = spltty(); 541 sc->gfb_flags &= ~FB_OPEN; 542 splx(s); 543 return 0; 544 } 545 546 int genfbread(genfb_softc_t *sc, video_adapter_t *adp, struct uio *uio, 547 int flag) 548 { 549 int size; 550 int offset; 551 int error; 552 int len; 553 554 error = 0; 555 size = adp->va_buffer_size/adp->va_info.vi_planes; 556 while (uio->uio_resid > 0) { 557 if (uio->uio_offset >= size) 558 break; 559 offset = uio->uio_offset%adp->va_window_size; 560 len = imin(uio->uio_resid, size - uio->uio_offset); 561 len = imin(len, adp->va_window_size - offset); 562 if (len <= 0) 563 break; 564 (*vidsw[adp->va_index]->set_win_org)(adp, uio->uio_offset); 565 error = uiomove((caddr_t)(adp->va_window + offset), len, uio); 566 if (error) 567 break; 568 } 569 return error; 570 } 571 572 int genfbwrite(genfb_softc_t *sc, video_adapter_t *adp, struct uio *uio, 573 int flag) 574 { 575 return ENODEV; 576 } 577 578 int genfbioctl(genfb_softc_t *sc, video_adapter_t *adp, u_long cmd, 579 caddr_t arg, int flag, struct proc *p) 580 { 581 int error; 582 583 if (adp == NULL) /* XXX */ 584 return ENXIO; 585 error = (*vidsw[adp->va_index]->ioctl)(adp, cmd, arg); 586 if (error == ENOIOCTL) 587 error = ENODEV; 588 return error; 589 } 590 591 int genfbmmap(genfb_softc_t *sc, video_adapter_t *adp, vm_offset_t offset, 592 int prot) 593 { 594 return (*vidsw[adp->va_index]->mmap)(adp, offset, prot); 595 } 596 597 #endif /* FB_INSTALL_CDEV */ 598 599 static char 600 *adapter_name(int type) 601 { 602 static struct { 603 int type; 604 char *name; 605 } names[] = { 606 { KD_MONO, "MDA" }, 607 { KD_HERCULES, "Hercules" }, 608 { KD_CGA, "CGA" }, 609 { KD_EGA, "EGA" }, 610 { KD_VGA, "VGA" }, 611 { KD_PC98, "PC-98x1" }, 612 { KD_TGA, "TGA" }, 613 { -1, "Unknown" }, 614 }; 615 int i; 616 617 for (i = 0; names[i].type != -1; ++i) 618 if (names[i].type == type) 619 break; 620 return names[i].name; 621 } 622 623 /* 624 * Generic low-level frame buffer functions 625 * The low-level functions in the frame buffer subdriver may use these 626 * functions. 627 */ 628 629 void 630 fb_dump_adp_info(char *driver, video_adapter_t *adp, int level) 631 { 632 if (level <= 0) 633 return; 634 635 printf("%s%d: %s%d, %s, type:%s (%d), flags:0x%x\n", 636 FB_DRIVER_NAME, adp->va_index, driver, adp->va_unit, adp->va_name, 637 adapter_name(adp->va_type), adp->va_type, adp->va_flags); 638 printf("%s%d: port:0x%x-0x%x, crtc:0x%x, mem:0x%x 0x%x\n", 639 FB_DRIVER_NAME, adp->va_index, 640 adp->va_io_base, adp->va_io_base + adp->va_io_size - 1, 641 adp->va_crtc_addr, adp->va_mem_base, 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%x\n", 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_GETPALETTE: /* get color palette */ 801 case FBIO_SETPALETTE: /* set color palette */ 802 /* XXX */ 803 804 case FBIOPUTCMAP: 805 case FBIOGETCMAP: 806 /* XXX */ 807 808 case FBIO_SETWINORG: /* set frame buffer window origin */ 809 case FBIO_SETDISPSTART: /* set display start address */ 810 case FBIO_SETLINEWIDTH: /* set scan line width in pixel */ 811 812 case FBIOGTYPE: 813 case FBIOGATTR: 814 case FBIOSVIDEO: 815 case FBIOGVIDEO: 816 case FBIOSCURSOR: 817 case FBIOGCURSOR: 818 case FBIOSCURPOS: 819 case FBIOGCURPOS: 820 case FBIOGCURMAX: 821 822 default: 823 error = ENODEV; 824 break; 825 } 826 827 splx(s); 828 return error; 829 } 830