fb.c revision 111576
1243791Sdim/*- 2243791Sdim * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp> 3353358Sdim * All rights reserved. 4353358Sdim * 5353358Sdim * Redistribution and use in source and binary forms, with or without 6243791Sdim * modification, are permitted provided that the following conditions 7243791Sdim * are met: 8243791Sdim * 1. Redistributions of source code must retain the above copyright 9243791Sdim * notice, this list of conditions and the following disclaimer as 10243791Sdim * the first lines of this file unmodified. 11243791Sdim * 2. Redistributions in binary form must reproduce the above copyright 12243791Sdim * notice, this list of conditions and the following disclaimer in the 13243791Sdim * documentation and/or other materials provided with the distribution. 14243791Sdim * 3. The name of the author may not be used to endorse or promote products 15243791Sdim * derived from this software without specific prior written permission. 16243791Sdim * 17243791Sdim * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 18360784Sdim * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19360784Sdim * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20341825Sdim * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 21243791Sdim * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22243791Sdim * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23243791Sdim * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24243791Sdim * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25243791Sdim * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26243791Sdim * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27243791Sdim * 28243791Sdim * $FreeBSD: head/sys/dev/fb/fb.c 111576 2003-02-26 21:14:39Z phk $ 29243791Sdim */ 30243791Sdim 31243791Sdim#include "opt_fb.h" 32341825Sdim 33243791Sdim#include <sys/param.h> 34243791Sdim#include <sys/systm.h> 35243791Sdim#include <sys/conf.h> 36243791Sdim#include <sys/bus.h> 37243791Sdim#include <sys/kernel.h> 38243791Sdim#include <sys/malloc.h> 39243791Sdim#include <sys/module.h> 40243791Sdim#include <sys/uio.h> 41243791Sdim#include <sys/fbio.h> 42243791Sdim#include <sys/linker_set.h> 43243791Sdim 44243791Sdim#include <vm/vm.h> 45243791Sdim#include <vm/pmap.h> 46243791Sdim 47243791Sdim#include <dev/fb/fbreg.h> 48276479Sdim 49243791SdimSET_DECLARE(videodriver_set, const video_driver_t); 50243791Sdim 51276479Sdim/* local arrays */ 52276479Sdim 53276479Sdim/* 54276479Sdim * We need at least one entry each in order to initialize a video card 55276479Sdim * for the kernel console. The arrays will be increased dynamically 56243791Sdim * when necessary. 57243791Sdim */ 58243791Sdim 59243791Sdimstatic int vid_malloc; 60243791Sdimstatic int adapters = 1; 61243791Sdimstatic video_adapter_t *adp_ini; 62243791Sdimstatic video_adapter_t **adapter = &adp_ini; 63243791Sdimstatic video_switch_t *vidsw_ini; 64243791Sdim video_switch_t **vidsw = &vidsw_ini; 65243791Sdim 66243791Sdim#ifdef FB_INSTALL_CDEV 67243791Sdimstatic struct cdevsw *vidcdevsw_ini; 68243791Sdimstatic struct cdevsw **vidcdevsw = &vidcdevsw_ini; 69243791Sdim#endif 70243791Sdim 71243791Sdim#define ARRAY_DELTA 4 72243791Sdim 73243791Sdimstatic int 74243791Sdimvid_realloc_array(void) 75243791Sdim{ 76243791Sdim video_adapter_t **new_adp; 77276479Sdim video_switch_t **new_vidsw; 78243791Sdim#ifdef FB_INSTALL_CDEV 79243791Sdim struct cdevsw **new_cdevsw; 80243791Sdim#endif 81243791Sdim int newsize; 82243791Sdim int s; 83243791Sdim 84243791Sdim if (!vid_malloc) 85276479Sdim return ENOMEM; 86243791Sdim 87243791Sdim s = spltty(); 88288943Sdim newsize = ((adapters + ARRAY_DELTA)/ARRAY_DELTA)*ARRAY_DELTA; 89288943Sdim new_adp = malloc(sizeof(*new_adp)*newsize, M_DEVBUF, M_WAITOK | M_ZERO); 90288943Sdim new_vidsw = malloc(sizeof(*new_vidsw)*newsize, M_DEVBUF, 91288943Sdim M_WAITOK | M_ZERO); 92288943Sdim#ifdef FB_INSTALL_CDEV 93288943Sdim new_cdevsw = malloc(sizeof(*new_cdevsw)*newsize, M_DEVBUF, 94288943Sdim M_WAITOK | M_ZERO); 95288943Sdim#endif 96321369Sdim bcopy(adapter, new_adp, sizeof(*adapter)*adapters); 97321369Sdim bcopy(vidsw, new_vidsw, sizeof(*vidsw)*adapters); 98321369Sdim#ifdef FB_INSTALL_CDEV 99321369Sdim bcopy(vidcdevsw, new_cdevsw, sizeof(*vidcdevsw)*adapters); 100321369Sdim#endif 101321369Sdim if (adapters > 1) { 102321369Sdim free(adapter, M_DEVBUF); 103321369Sdim free(vidsw, M_DEVBUF); 104321369Sdim#ifdef FB_INSTALL_CDEV 105249423Sdim free(vidcdevsw, M_DEVBUF); 106243791Sdim#endif 107249423Sdim } 108249423Sdim adapter = new_adp; 109249423Sdim vidsw = new_vidsw; 110249423Sdim#ifdef FB_INSTALL_CDEV 111243791Sdim vidcdevsw = new_cdevsw; 112243791Sdim#endif 113243791Sdim adapters = newsize; 114243791Sdim splx(s); 115243791Sdim 116243791Sdim if (bootverbose) 117243791Sdim printf("fb: new array size %d\n", adapters); 118296417Sdim 119296417Sdim return 0; 120296417Sdim} 121243791Sdim 122296417Sdimstatic void 123243791Sdimvid_malloc_init(void *arg) 124243791Sdim{ 125341825Sdim vid_malloc = TRUE; 126243791Sdim} 127243791Sdim 128243791SdimSYSINIT(vid_mem, SI_SUB_KMEM, SI_ORDER_ANY, vid_malloc_init, NULL); 129243791Sdim 130243791Sdim/* 131243791Sdim * Low-level frame buffer driver functions 132243791Sdim * frame buffer subdrivers, such as the VGA driver, call these functions 133243791Sdim * to initialize the video_adapter structure and register it to the virtual 134243791Sdim * frame buffer driver `fb'. 135243791Sdim */ 136243791Sdim 137243791Sdim/* initialize the video_adapter_t structure */ 138243791Sdimvoid 139243791Sdimvid_init_struct(video_adapter_t *adp, char *name, int type, int unit) 140243791Sdim{ 141243791Sdim adp->va_flags = 0; 142243791Sdim adp->va_name = name; 143243791Sdim adp->va_type = type; 144243791Sdim adp->va_unit = unit; 145243791Sdim} 146243791Sdim 147243791Sdim/* Register a video adapter */ 148243791Sdimint 149243791Sdimvid_register(video_adapter_t *adp) 150243791Sdim{ 151243791Sdim const video_driver_t **list; 152243791Sdim const video_driver_t *p; 153243791Sdim int index; 154243791Sdim 155243791Sdim for (index = 0; index < adapters; ++index) { 156243791Sdim if (adapter[index] == NULL) 157243791Sdim break; 158243791Sdim } 159243791Sdim if (index >= adapters) { 160243791Sdim if (vid_realloc_array()) 161243791Sdim return -1; 162243791Sdim } 163243791Sdim 164243791Sdim adp->va_index = index; 165243791Sdim adp->va_token = NULL; 166243791Sdim SET_FOREACH(list, videodriver_set) { 167243791Sdim p = *list; 168341825Sdim if (strcmp(p->name, adp->va_name) == 0) { 169341825Sdim adapter[index] = adp; 170341825Sdim vidsw[index] = p->vidsw; 171341825Sdim return index; 172341825Sdim } 173341825Sdim } 174341825Sdim 175341825Sdim return -1; 176341825Sdim} 177341825Sdim 178341825Sdimint 179341825Sdimvid_unregister(video_adapter_t *adp) 180341825Sdim{ 181341825Sdim if ((adp->va_index < 0) || (adp->va_index >= adapters)) 182243791Sdim return ENOENT; 183341825Sdim if (adapter[adp->va_index] != adp) 184243791Sdim return ENOENT; 185243791Sdim 186243791Sdim adapter[adp->va_index] = NULL; 187243791Sdim vidsw[adp->va_index] = NULL; 188243791Sdim return 0; 189341825Sdim} 190243791Sdim 191243791Sdim/* Get video I/O function table */ 192243791Sdimvideo_switch_t 193243791Sdim*vid_get_switch(char *name) 194243791Sdim{ 195243791Sdim const video_driver_t **list; 196243791Sdim const video_driver_t *p; 197243791Sdim 198243791Sdim SET_FOREACH(list, videodriver_set) { 199243791Sdim p = *list; 200243791Sdim if (strcmp(p->name, name) == 0) 201243791Sdim return p->vidsw; 202243791Sdim } 203243791Sdim 204243791Sdim return NULL; 205243791Sdim} 206243791Sdim 207243791Sdim/* 208243791Sdim * Video card client functions 209243791Sdim * Video card clients, such as the console driver `syscons' and the frame 210243791Sdim * buffer cdev driver, use these functions to claim and release a card for 211243791Sdim * exclusive use. 212243791Sdim */ 213243791Sdim 214243791Sdim/* find the video card specified by a driver name and a unit number */ 215243791Sdimint 216243791Sdimvid_find_adapter(char *driver, int unit) 217243791Sdim{ 218243791Sdim int i; 219243791Sdim 220243791Sdim for (i = 0; i < adapters; ++i) { 221243791Sdim if (adapter[i] == NULL) 222309124Sdim continue; 223309124Sdim if (strcmp("*", driver) && strcmp(adapter[i]->va_name, driver)) 224309124Sdim continue; 225309124Sdim if ((unit != -1) && (adapter[i]->va_unit != unit)) 226309124Sdim continue; 227243791Sdim return i; 228243791Sdim } 229243791Sdim return -1; 230243791Sdim} 231243791Sdim 232249423Sdim/* allocate a video card */ 233249423Sdimint 234309124Sdimvid_allocate(char *driver, int unit, void *id) 235249423Sdim{ 236249423Sdim int index; 237249423Sdim int s; 238288943Sdim 239288943Sdim s = spltty(); 240288943Sdim index = vid_find_adapter(driver, unit); 241288943Sdim if (index >= 0) { 242288943Sdim if (adapter[index]->va_token) { 243288943Sdim splx(s); 244288943Sdim return -1; 245288943Sdim } 246288943Sdim adapter[index]->va_token = id; 247341825Sdim } 248243791Sdim splx(s); 249243791Sdim return index; 250341825Sdim} 251243791Sdim 252243791Sdimint 253243791Sdimvid_release(video_adapter_t *adp, void *id) 254243791Sdim{ 255243791Sdim int error; 256243791Sdim int s; 257243791Sdim 258243791Sdim s = spltty(); 259341825Sdim if (adp->va_token == NULL) { 260243791Sdim error = EINVAL; 261243791Sdim } else if (adp->va_token != id) { 262243791Sdim error = EPERM; 263243791Sdim } else { 264243791Sdim adp->va_token = NULL; 265341825Sdim error = 0; 266243791Sdim } 267243791Sdim splx(s); 268243791Sdim return error; 269243791Sdim} 270243791Sdim 271243791Sdim/* Get a video adapter structure */ 272243791Sdimvideo_adapter_t 273243791Sdim*vid_get_adapter(int index) 274243791Sdim{ 275243791Sdim if ((index < 0) || (index >= adapters)) 276243791Sdim return NULL; 277243791Sdim return adapter[index]; 278280031Sdim} 279280031Sdim 280280031Sdim/* Configure drivers: this is a backdoor for the console driver XXX */ 281280031Sdimint 282280031Sdimvid_configure(int flags) 283280031Sdim{ 284243791Sdim const video_driver_t **list; 285243791Sdim const video_driver_t *p; 286243791Sdim 287243791Sdim SET_FOREACH(list, videodriver_set) { 288243791Sdim p = *list; 289243791Sdim if (p->configure != NULL) 290243791Sdim (*p->configure)(flags); 291243791Sdim } 292243791Sdim 293243791Sdim return 0; 294243791Sdim} 295243791Sdim 296243791Sdim/* 297243791Sdim * Virtual frame buffer cdev driver functions 298243791Sdim * The virtual frame buffer driver dispatches driver functions to 299243791Sdim * appropriate subdrivers. 300243791Sdim */ 301243791Sdim 302243791Sdim#define FB_DRIVER_NAME "fb" 303243791Sdim 304243791Sdim#ifdef FB_INSTALL_CDEV 305243791Sdim 306243791Sdim#if experimental 307243791Sdim 308261991Sdimstatic devclass_t fb_devclass; 309261991Sdim 310314564Sdimstatic int fbprobe(device_t dev); 311314564Sdimstatic int fbattach(device_t dev); 312261991Sdim 313261991Sdimstatic device_method_t fb_methods[] = { 314261991Sdim DEVMETHOD(device_probe, fbprobe), 315261991Sdim DEVMETHOD(device_attach, fbattach), 316261991Sdim 317261991Sdim DEVMETHOD(bus_print_child, bus_generic_print_child), 318261991Sdim { 0, 0 } 319261991Sdim}; 320261991Sdim 321261991Sdimstatic driver_t fb_driver = { 322261991Sdim FB_DRIVER_NAME, 323261991Sdim fb_methods, 324261991Sdim 0, 325261991Sdim}; 326261991Sdim 327261991Sdimstatic int 328261991Sdimfbprobe(device_t dev) 329261991Sdim{ 330261991Sdim int unit; 331261991Sdim 332261991Sdim unit = device_get_unit(dev); 333261991Sdim if (unit >= adapters) 334261991Sdim return ENXIO; 335261991Sdim if (adapter[unit] == NULL) 336261991Sdim return ENXIO; 337261991Sdim 338261991Sdim device_set_desc(dev, "generic frame buffer"); 339261991Sdim return 0; 340} 341 342static int 343fbattach(device_t dev) 344{ 345 printf("fbattach: about to attach children\n"); 346 bus_generic_attach(dev); 347 return 0; 348} 349 350#endif /* experimental */ 351 352#define FB_UNIT(dev) minor(dev) 353#define FB_MKMINOR(unit) (u) 354 355#if experimental 356static d_open_t fbopen; 357static d_close_t fbclose; 358static d_read_t fbread; 359static d_write_t fbwrite; 360static d_ioctl_t fbioctl; 361static d_mmap_t fbmmap; 362 363#define CDEV_MAJOR 123 /* XXX */ 364 365static struct cdevsw fb_cdevsw = { 366 /* open */ fbopen, 367 /* close */ fbclose, 368 /* read */ fbread, 369 /* write */ fbwrite, 370 /* ioctl */ fbioctl, 371 /* poll */ nopoll, 372 /* mmap */ fbmmap, 373 /* strategy */ nostrategy, 374 /* name */ FB_DRIVER_NAME, 375 /* maj */ CDEV_MAJOR, 376 /* dump */ nodump, 377 /* psize */ nopsize, 378 /* flags */ 0, 379}; 380#endif 381 382 383static int 384fb_modevent(module_t mod, int type, void *data) 385{ 386 387 switch (type) { 388 case MOD_LOAD: 389 break; 390 case MOD_UNLOAD: 391 printf("fb module unload - not possible for this module type\n"); 392 return EINVAL; 393 } 394 return 0; 395} 396 397static moduledata_t fb_mod = { 398 "fb", 399 fb_modevent, 400 NULL 401}; 402 403DECLARE_MODULE(fb, fb_mod, SI_SUB_PSEUDO, SI_ORDER_ANY); 404 405int 406fb_attach(dev_t dev, video_adapter_t *adp, struct cdevsw *cdevsw) 407{ 408 int s; 409 410 if (adp->va_index >= adapters) 411 return EINVAL; 412 if (adapter[adp->va_index] != adp) 413 return EINVAL; 414 415 s = spltty(); 416 adp->va_minor = minor(dev); 417 vidcdevsw[adp->va_index] = cdevsw; 418 splx(s); 419 420 printf("fb%d at %s%d\n", adp->va_index, adp->va_name, adp->va_unit); 421 return 0; 422} 423 424int 425fb_detach(dev_t dev, video_adapter_t *adp, struct cdevsw *cdevsw) 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] != cdevsw) 434 return EINVAL; 435 436 s = spltty(); 437 vidcdevsw[adp->va_index] = NULL; 438 splx(s); 439 return 0; 440} 441 442#if experimental 443static int 444fbopen(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 (*vidcdevsw[unit]->d_open)(makedev(0, adapter[unit]->va_minor), 454 flag, mode, td); 455} 456 457static int 458fbclose(dev_t dev, int flag, int mode, struct thread *td) 459{ 460 int unit; 461 462 unit = FB_UNIT(dev); 463 if (vidcdevsw[unit] == NULL) 464 return ENXIO; 465 return (*vidcdevsw[unit]->d_close)(makedev(0, adapter[unit]->va_minor), 466 flag, mode, td); 467} 468 469static int 470fbread(dev_t dev, struct uio *uio, int flag) 471{ 472 int unit; 473 474 unit = FB_UNIT(dev); 475 if (vidcdevsw[unit] == NULL) 476 return ENXIO; 477 return (*vidcdevsw[unit]->d_read)(makedev(0, adapter[unit]->va_minor), 478 uio, flag); 479} 480 481static int 482fbwrite(dev_t dev, struct uio *uio, int flag) 483{ 484 int unit; 485 486 unit = FB_UNIT(dev); 487 if (vidcdevsw[unit] == NULL) 488 return ENXIO; 489 return (*vidcdevsw[unit]->d_write)(makedev(0, adapter[unit]->va_minor), 490 uio, flag); 491} 492 493static int 494fbioctl(dev_t dev, u_long cmd, caddr_t arg, int flag, struct thread *td) 495{ 496 int unit; 497 498 unit = FB_UNIT(dev); 499 if (vidcdevsw[unit] == NULL) 500 return ENXIO; 501 return (*vidcdevsw[unit]->d_ioctl)(makedev(0, adapter[unit]->va_minor), 502 cmd, arg, flag, td); 503} 504 505static int 506fbmmap(dev_t dev, vm_offset_t offset, vm_offset_t *paddr, int nprot) 507{ 508 int unit; 509 510 unit = FB_UNIT(dev); 511 if (vidcdevsw[unit] == NULL) 512 return ENXIO; 513 return (*vidcdevsw[unit]->d_mmap)(makedev(0, adapter[unit]->va_minor), 514 offset, paddr, nprot); 515} 516 517DEV_DRIVER_MODULE(fb, ???, fb_driver, fb_devclass, fb_cdevsw, 0, 0); 518#endif 519 520/* 521 * Generic frame buffer cdev driver functions 522 * Frame buffer subdrivers may call these functions to implement common 523 * driver functions. 524 */ 525 526int genfbopen(genfb_softc_t *sc, video_adapter_t *adp, int flag, int mode, 527 struct thread *td) 528{ 529 int s; 530 531 s = spltty(); 532 if (!(sc->gfb_flags & FB_OPEN)) 533 sc->gfb_flags |= FB_OPEN; 534 splx(s); 535 return 0; 536} 537 538int genfbclose(genfb_softc_t *sc, video_adapter_t *adp, int flag, int mode, 539 struct thread *td) 540{ 541 int s; 542 543 s = spltty(); 544 sc->gfb_flags &= ~FB_OPEN; 545 splx(s); 546 return 0; 547} 548 549int genfbread(genfb_softc_t *sc, video_adapter_t *adp, struct uio *uio, 550 int flag) 551{ 552 int size; 553 int offset; 554 int error; 555 int len; 556 557 error = 0; 558 size = adp->va_buffer_size/adp->va_info.vi_planes; 559 while (uio->uio_resid > 0) { 560 if (uio->uio_offset >= size) 561 break; 562 offset = uio->uio_offset%adp->va_window_size; 563 len = imin(uio->uio_resid, size - uio->uio_offset); 564 len = imin(len, adp->va_window_size - offset); 565 if (len <= 0) 566 break; 567 (*vidsw[adp->va_index]->set_win_org)(adp, uio->uio_offset); 568 error = uiomove((caddr_t)(adp->va_window + offset), len, uio); 569 if (error) 570 break; 571 } 572 return error; 573} 574 575int genfbwrite(genfb_softc_t *sc, video_adapter_t *adp, struct uio *uio, 576 int flag) 577{ 578 return ENODEV; 579} 580 581int genfbioctl(genfb_softc_t *sc, video_adapter_t *adp, u_long cmd, 582 caddr_t arg, int flag, struct thread *td) 583{ 584 int error; 585 586 if (adp == NULL) /* XXX */ 587 return ENXIO; 588 error = (*vidsw[adp->va_index]->ioctl)(adp, cmd, arg); 589 if (error == ENOIOCTL) 590 error = ENODEV; 591 return error; 592} 593 594int genfbmmap(genfb_softc_t *sc, video_adapter_t *adp, vm_offset_t offset, 595 vm_offset_t *paddr, int prot) 596{ 597 return (*vidsw[adp->va_index]->mmap)(adp, offset, paddr, prot); 598} 599 600#endif /* FB_INSTALL_CDEV */ 601 602static char 603*adapter_name(int type) 604{ 605 static struct { 606 int type; 607 char *name; 608 } names[] = { 609 { KD_MONO, "MDA" }, 610 { KD_HERCULES, "Hercules" }, 611 { KD_CGA, "CGA" }, 612 { KD_EGA, "EGA" }, 613 { KD_VGA, "VGA" }, 614 { KD_PC98, "PC-98x1" }, 615 { KD_TGA, "TGA" }, 616 { -1, "Unknown" }, 617 }; 618 int i; 619 620 for (i = 0; names[i].type != -1; ++i) 621 if (names[i].type == type) 622 break; 623 return names[i].name; 624} 625 626/* 627 * Generic low-level frame buffer functions 628 * The low-level functions in the frame buffer subdriver may use these 629 * functions. 630 */ 631 632void 633fb_dump_adp_info(char *driver, video_adapter_t *adp, int level) 634{ 635 if (level <= 0) 636 return; 637 638 printf("%s%d: %s%d, %s, type:%s (%d), flags:0x%x\n", 639 FB_DRIVER_NAME, adp->va_index, driver, adp->va_unit, adp->va_name, 640 adapter_name(adp->va_type), adp->va_type, adp->va_flags); 641 printf("%s%d: port:0x%lx-0x%lx, crtc:0x%lx, mem:0x%lx 0x%x\n", 642 FB_DRIVER_NAME, adp->va_index, (u_long)adp->va_io_base, 643 (u_long)adp->va_io_base + adp->va_io_size - 1, 644 (u_long)adp->va_crtc_addr, (u_long)adp->va_mem_base, 645 adp->va_mem_size); 646 printf("%s%d: init mode:%d, bios mode:%d, current mode:%d\n", 647 FB_DRIVER_NAME, adp->va_index, 648 adp->va_initial_mode, adp->va_initial_bios_mode, adp->va_mode); 649 printf("%s%d: window:%p size:%dk gran:%dk, buf:%p size:%dk\n", 650 FB_DRIVER_NAME, adp->va_index, 651 (void *)adp->va_window, (int)adp->va_window_size/1024, 652 (int)adp->va_window_gran/1024, (void *)adp->va_buffer, 653 (int)adp->va_buffer_size/1024); 654} 655 656void 657fb_dump_mode_info(char *driver, video_adapter_t *adp, video_info_t *info, 658 int level) 659{ 660 if (level <= 0) 661 return; 662 663 printf("%s%d: %s, mode:%d, flags:0x%x ", 664 driver, adp->va_unit, adp->va_name, info->vi_mode, info->vi_flags); 665 if (info->vi_flags & V_INFO_GRAPHICS) 666 printf("G %dx%dx%d, %d plane(s), font:%dx%d, ", 667 info->vi_width, info->vi_height, 668 info->vi_depth, info->vi_planes, 669 info->vi_cwidth, info->vi_cheight); 670 else 671 printf("T %dx%d, font:%dx%d, ", 672 info->vi_width, info->vi_height, 673 info->vi_cwidth, info->vi_cheight); 674 printf("win:0x%lx\n", (u_long)info->vi_window); 675} 676 677int 678fb_type(int adp_type) 679{ 680 static struct { 681 int fb_type; 682 int va_type; 683 } types[] = { 684 { FBTYPE_MDA, KD_MONO }, 685 { FBTYPE_HERCULES, KD_HERCULES }, 686 { FBTYPE_CGA, KD_CGA }, 687 { FBTYPE_EGA, KD_EGA }, 688 { FBTYPE_VGA, KD_VGA }, 689 { FBTYPE_PC98, KD_PC98 }, 690 { FBTYPE_TGA, KD_TGA }, 691 }; 692 int i; 693 694 for (i = 0; i < sizeof(types)/sizeof(types[0]); ++i) { 695 if (types[i].va_type == adp_type) 696 return types[i].fb_type; 697 } 698 return -1; 699} 700 701int 702fb_commonioctl(video_adapter_t *adp, u_long cmd, caddr_t arg) 703{ 704 int error; 705 int s; 706 707 /* assert(adp != NULL) */ 708 709 error = 0; 710 s = spltty(); 711 712 switch (cmd) { 713 714 case FBIO_ADAPTER: /* get video adapter index */ 715 *(int *)arg = adp->va_index; 716 break; 717 718 case FBIO_ADPTYPE: /* get video adapter type */ 719 *(int *)arg = adp->va_type; 720 break; 721 722 case FBIO_ADPINFO: /* get video adapter info */ 723 ((video_adapter_info_t *)arg)->va_index = adp->va_index; 724 ((video_adapter_info_t *)arg)->va_type = adp->va_type; 725 bcopy(adp->va_name, ((video_adapter_info_t *)arg)->va_name, 726 imin(strlen(adp->va_name) + 1, 727 sizeof(((video_adapter_info_t *)arg)->va_name))); 728 ((video_adapter_info_t *)arg)->va_unit = adp->va_unit; 729 ((video_adapter_info_t *)arg)->va_flags = adp->va_flags; 730 ((video_adapter_info_t *)arg)->va_io_base = adp->va_io_base; 731 ((video_adapter_info_t *)arg)->va_io_size = adp->va_io_size; 732 ((video_adapter_info_t *)arg)->va_crtc_addr = adp->va_crtc_addr; 733 ((video_adapter_info_t *)arg)->va_mem_base = adp->va_mem_base; 734 ((video_adapter_info_t *)arg)->va_mem_size = adp->va_mem_size; 735 ((video_adapter_info_t *)arg)->va_window 736#ifdef __i386__ 737 = vtophys(adp->va_window); 738#else 739 = adp->va_window; 740#endif 741 ((video_adapter_info_t *)arg)->va_window_size 742 = adp->va_window_size; 743 ((video_adapter_info_t *)arg)->va_window_gran 744 = adp->va_window_gran; 745 ((video_adapter_info_t *)arg)->va_window_orig 746 = adp->va_window_orig; 747 ((video_adapter_info_t *)arg)->va_unused0 748#ifdef __i386__ 749 = (adp->va_buffer) ? vtophys(adp->va_buffer) : 0; 750#else 751 = adp->va_buffer; 752#endif 753 ((video_adapter_info_t *)arg)->va_buffer_size 754 = adp->va_buffer_size; 755 ((video_adapter_info_t *)arg)->va_mode = adp->va_mode; 756 ((video_adapter_info_t *)arg)->va_initial_mode 757 = adp->va_initial_mode; 758 ((video_adapter_info_t *)arg)->va_initial_bios_mode 759 = adp->va_initial_bios_mode; 760 ((video_adapter_info_t *)arg)->va_line_width 761 = adp->va_line_width; 762 ((video_adapter_info_t *)arg)->va_disp_start.x 763 = adp->va_disp_start.x; 764 ((video_adapter_info_t *)arg)->va_disp_start.y 765 = adp->va_disp_start.y; 766 break; 767 768 case FBIO_MODEINFO: /* get mode information */ 769 error = (*vidsw[adp->va_index]->get_info)(adp, 770 ((video_info_t *)arg)->vi_mode, 771 (video_info_t *)arg); 772 if (error) 773 error = ENODEV; 774 break; 775 776 case FBIO_FINDMODE: /* find a matching video mode */ 777 error = (*vidsw[adp->va_index]->query_mode)(adp, 778 (video_info_t *)arg); 779 break; 780 781 case FBIO_GETMODE: /* get video mode */ 782 *(int *)arg = adp->va_mode; 783 break; 784 785 case FBIO_SETMODE: /* set video mode */ 786 error = (*vidsw[adp->va_index]->set_mode)(adp, *(int *)arg); 787 if (error) 788 error = ENODEV; /* EINVAL? */ 789 break; 790 791 case FBIO_GETWINORG: /* get frame buffer window origin */ 792 *(u_int *)arg = adp->va_window_orig; 793 break; 794 795 case FBIO_GETDISPSTART: /* get display start address */ 796 ((video_display_start_t *)arg)->x = adp->va_disp_start.x; 797 ((video_display_start_t *)arg)->y = adp->va_disp_start.y; 798 break; 799 800 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */ 801 *(u_int *)arg = adp->va_line_width; 802 break; 803 804 case FBIO_BLANK: /* blank display */ 805 error = (*vidsw[adp->va_index]->blank_display)(adp, *(int *)arg); 806 break; 807 808 case FBIO_GETPALETTE: /* get color palette */ 809 case FBIO_SETPALETTE: /* set color palette */ 810 /* XXX */ 811 812 case FBIOPUTCMAP: 813 case FBIOGETCMAP: 814 case FBIOPUTCMAPI: 815 case FBIOGETCMAPI: 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 FBIOVERTICAL: 827 case FBIOSCURSOR: 828 case FBIOGCURSOR: 829 case FBIOSCURPOS: 830 case FBIOGCURPOS: 831 case FBIOGCURMAX: 832 case FBIOMONINFO: 833 case FBIOGXINFO: 834 835 default: 836 error = ENODEV; 837 break; 838 } 839 840 splx(s); 841 return error; 842} 843