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