wsfb_driver.c revision 8fc0431c
1/* $OpenBSD: wsfb_driver.c,v 1.16 2009/09/13 19:33:49 matthieu Exp $ */ 2/* 3 * Copyright (c) 2001 Matthieu Herrb 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * - Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * - Redistributions in binary form must reproduce the above 13 * copyright notice, this list of conditions and the following 14 * disclaimer in the documentation and/or other materials provided 15 * with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 20 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 21 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 27 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 * 30 */ 31 32/* 33 * Based on fbdev.c written by: 34 * 35 * Authors: Alan Hourihane, <alanh@fairlite.demon.co.uk> 36 * Michel Dänzer, <michdaen@iiic.ethz.ch> 37 */ 38 39#ifdef HAVE_CONFIG_H 40#include "config.h" 41#endif 42 43#include <errno.h> 44#include <fcntl.h> 45#include <sys/types.h> 46#include <sys/mman.h> 47#include <sys/time.h> 48#include <errno.h> 49#include <dev/wscons/wsconsio.h> 50 51/* All drivers need this. */ 52#include "xf86.h" 53#include "xf86_OSproc.h" 54#include "xf86_OSlib.h" 55 56#include "mipointer.h" 57#include "mibstore.h" 58#include "micmap.h" 59#include "colormapst.h" 60#include "xf86cmap.h" 61#include "shadow.h" 62#include "dgaproc.h" 63 64/* For visuals */ 65#include "fb.h" 66 67#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) < 6 68#include "xf86Resources.h" 69#include "xf86RAC.h" 70#endif 71 72#ifdef XvExtension 73#include "xf86xv.h" 74#endif 75 76#include "wsfb.h" 77 78/* #include "wsconsio.h" */ 79 80#include <sys/mman.h> 81 82#ifdef X_PRIVSEP 83extern int priv_open_device(const char *); 84#else 85#define priv_open_device(n) open(n,O_RDWR|O_NONBLOCK|O_EXCL) 86#endif 87 88#if defined(__NetBSD__) 89#define WSFB_DEFAULT_DEV "/dev/ttyE0" 90#else 91#define WSFB_DEFAULT_DEV "/dev/ttyC0" 92#endif 93 94#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) > 6 95#define xf86LoaderReqSymLists(...) do {} while (0) 96#define LoaderRefSymLists(...) do {} while (0) 97#define xf86LoaderReqSymbols(...) do {} while (0) 98#endif 99 100#define DEBUG 0 101 102#if DEBUG 103# define TRACE_ENTER(str) ErrorF("wsfb: " str " %d\n",pScrn->scrnIndex) 104# define TRACE_EXIT(str) ErrorF("wsfb: " str " done\n") 105# define TRACE(str) ErrorF("wsfb trace: " str "\n") 106#else 107# define TRACE_ENTER(str) 108# define TRACE_EXIT(str) 109# define TRACE(str) 110#endif 111 112/* Prototypes */ 113#ifdef XFree86LOADER 114static pointer WsfbSetup(pointer, pointer, int *, int *); 115#endif 116static Bool WsfbGetRec(ScrnInfoPtr); 117static void WsfbFreeRec(ScrnInfoPtr); 118static const OptionInfoRec * WsfbAvailableOptions(int, int); 119static void WsfbIdentify(int); 120static Bool WsfbProbe(DriverPtr, int); 121static Bool WsfbPreInit(ScrnInfoPtr, int); 122static Bool WsfbScreenInit(int, ScreenPtr, int, char **); 123static Bool WsfbCloseScreen(int, ScreenPtr); 124static void *WsfbWindowLinear(ScreenPtr, CARD32, CARD32, int, CARD32 *, 125 void *); 126static void WsfbPointerMoved(int, int, int); 127static Bool WsfbEnterVT(int, int); 128static void WsfbLeaveVT(int, int); 129static Bool WsfbSwitchMode(int, DisplayModePtr, int); 130static int WsfbValidMode(int, DisplayModePtr, Bool, int); 131static void WsfbLoadPalette(ScrnInfoPtr, int, int *, LOCO *, VisualPtr); 132static Bool WsfbSaveScreen(ScreenPtr, int); 133static void WsfbSave(ScrnInfoPtr); 134static void WsfbRestore(ScrnInfoPtr); 135 136/* DGA stuff */ 137#ifdef XFreeXDGA 138static Bool WsfbDGAOpenFramebuffer(ScrnInfoPtr, char **, unsigned char **, 139 int *, int *, int *); 140static Bool WsfbDGASetMode(ScrnInfoPtr, DGAModePtr); 141static void WsfbDGASetViewport(ScrnInfoPtr, int, int, int); 142static Bool WsfbDGAInit(ScrnInfoPtr, ScreenPtr); 143#endif 144static Bool WsfbDriverFunc(ScrnInfoPtr pScrn, xorgDriverFuncOp op, 145 pointer ptr); 146 147/* Helper functions */ 148static int wsfb_open(char *); 149static pointer wsfb_mmap(size_t, off_t, int); 150 151enum { WSFB_ROTATE_NONE = 0, 152 WSFB_ROTATE_CCW = 90, 153 WSFB_ROTATE_UD = 180, 154 WSFB_ROTATE_CW = 270 155}; 156 157/* 158 * This is intentionally screen-independent. 159 * It indicates the binding choice made in the first PreInit. 160 */ 161static int pix24bpp = 0; 162 163#define WSFB_VERSION 4000 164#define WSFB_NAME "wsfb" 165#define WSFB_DRIVER_NAME "wsfb" 166 167_X_EXPORT DriverRec WSFB = { 168 WSFB_VERSION, 169 WSFB_DRIVER_NAME, 170 WsfbIdentify, 171 WsfbProbe, 172 WsfbAvailableOptions, 173 NULL, 174 0, 175 WsfbDriverFunc 176}; 177 178/* Supported "chipsets" */ 179static SymTabRec WsfbChipsets[] = { 180 { 0, "wsfb" }, 181 { -1, NULL } 182}; 183 184/* Supported options */ 185typedef enum { 186 OPTION_SHADOW_FB, 187 OPTION_ROTATE, 188 OPTION_HW_CURSOR, 189 OPTION_SW_CURSOR 190} WsfbOpts; 191 192static const OptionInfoRec WsfbOptions[] = { 193 { OPTION_SHADOW_FB, "ShadowFB", OPTV_BOOLEAN, {0}, FALSE}, 194 { OPTION_ROTATE, "Rotate", OPTV_STRING, {0}, FALSE}, 195 { -1, NULL, OPTV_NONE, {0}, FALSE} 196}; 197 198/* Symbols needed from other modules */ 199static const char *fbSymbols[] = { 200 "fbPictureInit", 201 "fbScreenInit", 202 NULL 203}; 204static const char *shadowSymbols[] = { 205 "shadowAdd", 206 "shadowSetup", 207 "shadowUpdatePacked", 208 "shadowUpdatePackedWeak", 209 "shadowUpdateRotatePacked", 210 "shadowUpdateRotatePackedWeak", 211 NULL 212}; 213 214static const char *ramdacSymbols[] = { 215 "xf86CreateCursorInfoRec", 216 "xf86DestroyCursorInfoRec", 217 "xf86InitCursor", 218 NULL 219}; 220 221#ifdef XFree86LOADER 222static XF86ModuleVersionInfo WsfbVersRec = { 223 "wsfb", 224 MODULEVENDORSTRING, 225 MODINFOSTRING1, 226 MODINFOSTRING2, 227 XORG_VERSION_CURRENT, 228 PACKAGE_VERSION_MAJOR, 229 PACKAGE_VERSION_MINOR, 230 PACKAGE_VERSION_PATCHLEVEL, 231 ABI_CLASS_VIDEODRV, 232 ABI_VIDEODRV_VERSION, 233 NULL, 234 {0, 0, 0, 0} 235}; 236 237_X_EXPORT XF86ModuleData wsfbModuleData = { &WsfbVersRec, WsfbSetup, NULL }; 238 239static pointer 240WsfbSetup(pointer module, pointer opts, int *errmaj, int *errmin) 241{ 242 static Bool setupDone = FALSE; 243 const char *osname; 244 245 /* Check that we're being loaded on a OpenBSD or NetBSD system. */ 246 LoaderGetOS(&osname, NULL, NULL, NULL); 247 if (!osname || (strcmp(osname, "openbsd") != 0 && 248 strcmp(osname, "netbsd") != 0)) { 249 if (errmaj) 250 *errmaj = LDR_BADOS; 251 if (errmin) 252 *errmin = 0; 253 return NULL; 254 } 255 if (!setupDone) { 256 setupDone = TRUE; 257 xf86AddDriver(&WSFB, module, HaveDriverFuncs); 258 LoaderRefSymLists(fbSymbols, shadowSymbols, ramdacSymbols, 259 NULL); 260 return (pointer)1; 261 } else { 262 if (errmaj != NULL) 263 *errmaj = LDR_ONCEONLY; 264 return NULL; 265 } 266} 267#endif /* XFree86LOADER */ 268 269static Bool 270WsfbGetRec(ScrnInfoPtr pScrn) 271{ 272 273 if (pScrn->driverPrivate != NULL) 274 return TRUE; 275 276 pScrn->driverPrivate = xnfcalloc(sizeof(WsfbRec), 1); 277 return TRUE; 278} 279 280static void 281WsfbFreeRec(ScrnInfoPtr pScrn) 282{ 283 284 if (pScrn->driverPrivate == NULL) 285 return; 286 xfree(pScrn->driverPrivate); 287 pScrn->driverPrivate = NULL; 288} 289 290static const OptionInfoRec * 291WsfbAvailableOptions(int chipid, int busid) 292{ 293 return WsfbOptions; 294} 295 296static void 297WsfbIdentify(int flags) 298{ 299 xf86PrintChipsets(WSFB_NAME, "driver for wsdisplay framebuffer", 300 WsfbChipsets); 301} 302 303/* Open the framebuffer device. */ 304static int 305wsfb_open(char *dev) 306{ 307 int fd = -1; 308 309 /* Try argument from XF86Config first. */ 310 if (dev == NULL || ((fd = priv_open_device(dev)) == -1)) { 311 /* Second: environment variable. */ 312 dev = getenv("XDEVICE"); 313 if (dev == NULL || ((fd = priv_open_device(dev)) == -1)) { 314 /* Last try: default device. */ 315 dev = WSFB_DEFAULT_DEV; 316 if ((fd = priv_open_device(dev)) == -1) { 317 return -1; 318 } 319 } 320 } 321 return fd; 322} 323 324/* Map the framebuffer's memory. */ 325static pointer 326wsfb_mmap(size_t len, off_t off, int fd) 327{ 328 int pagemask, mapsize; 329 caddr_t addr; 330 pointer mapaddr; 331 332 pagemask = getpagesize() - 1; 333 mapsize = ((int) len + pagemask) & ~pagemask; 334 addr = 0; 335 336 /* 337 * Try and make it private first, that way once we get it, an 338 * interloper, e.g. another server, can't get this frame buffer, 339 * and if another server already has it, this one won't. 340 */ 341 mapaddr = (pointer) mmap(addr, mapsize, 342 PROT_READ | PROT_WRITE, MAP_SHARED, 343 fd, off); 344 if (mapaddr == MAP_FAILED) { 345 mapaddr = NULL; 346 } 347#if DEBUG 348 ErrorF("mmap returns: addr %p len 0x%x\n", mapaddr, mapsize); 349#endif 350 return mapaddr; 351} 352 353static Bool 354WsfbProbe(DriverPtr drv, int flags) 355{ 356 int i, fd, entity; 357 GDevPtr *devSections; 358 int numDevSections; 359 char *dev; 360 Bool foundScreen = FALSE; 361 362 TRACE("probe start"); 363 364 /* For now, just bail out for PROBE_DETECT. */ 365 if (flags & PROBE_DETECT) 366 return FALSE; 367 368 if ((numDevSections = xf86MatchDevice(WSFB_DRIVER_NAME, 369 &devSections)) <= 0) 370 return FALSE; 371 372 for (i = 0; i < numDevSections; i++) { 373 ScrnInfoPtr pScrn = NULL; 374 375 dev = xf86FindOptionValue(devSections[i]->options, "device"); 376 if ((fd = wsfb_open(dev)) >= 0) { 377 entity = xf86ClaimFbSlot(drv, 0, devSections[i], TRUE); 378 pScrn = xf86ConfigFbEntity(NULL,0,entity, 379 NULL,NULL,NULL,NULL); 380 if (pScrn != NULL) { 381 foundScreen = TRUE; 382 pScrn->driverVersion = WSFB_VERSION; 383 pScrn->driverName = WSFB_DRIVER_NAME; 384 pScrn->name = WSFB_NAME; 385 pScrn->Probe = WsfbProbe; 386 pScrn->PreInit = WsfbPreInit; 387 pScrn->ScreenInit = WsfbScreenInit; 388 pScrn->SwitchMode = WsfbSwitchMode; 389 pScrn->AdjustFrame = NULL; 390 pScrn->EnterVT = WsfbEnterVT; 391 pScrn->LeaveVT = WsfbLeaveVT; 392 pScrn->ValidMode = WsfbValidMode; 393 394 xf86DrvMsg(pScrn->scrnIndex, X_INFO, 395 "using %s\n", dev != NULL ? dev : 396 "default device"); 397 } 398 } 399 } 400 xfree(devSections); 401 TRACE("probe done"); 402 return foundScreen; 403} 404 405static Bool 406WsfbPreInit(ScrnInfoPtr pScrn, int flags) 407{ 408 WsfbPtr fPtr; 409 int default_depth, wstype; 410 char *dev, *s; 411 char *mod = NULL; 412 const char *reqSym = NULL; 413 Gamma zeros = {0.0, 0.0, 0.0}; 414 DisplayModePtr mode; 415 MessageType from; 416 417 if (flags & PROBE_DETECT) return FALSE; 418 419 TRACE_ENTER("PreInit"); 420 421 if (pScrn->numEntities != 1) return FALSE; 422 423 pScrn->monitor = pScrn->confScreen->monitor; 424 425 WsfbGetRec(pScrn); 426 fPtr = WSFBPTR(pScrn); 427 428 fPtr->pEnt = xf86GetEntityInfo(pScrn->entityList[0]); 429 430#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) < 6 431 pScrn->racMemFlags = RAC_FB | RAC_COLORMAP | RAC_CURSOR | RAC_VIEWPORT; 432 pScrn->racIoFlags = pScrn->racMemFlags; 433#endif 434 435 dev = xf86FindOptionValue(fPtr->pEnt->device->options, "device"); 436 fPtr->fd = wsfb_open(dev); 437 if (fPtr->fd == -1) { 438 return FALSE; 439 } 440 441 if (ioctl(fPtr->fd, WSDISPLAYIO_GINFO, &fPtr->info) == -1) { 442 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 443 "ioctl WSDISPLAY_GINFO: %s\n", 444 strerror(errno)); 445 return FALSE; 446 } 447 if (ioctl(fPtr->fd, WSDISPLAYIO_GTYPE, &wstype) == -1) { 448 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 449 "ioctl WSDISPLAY_GTYPE: %s\n", 450 strerror(errno)); 451 return FALSE; 452 } 453 if (ioctl(fPtr->fd, WSDISPLAYIO_LINEBYTES, &fPtr->linebytes) == -1) { 454 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 455 "ioctl WSDISPLAYIO_LINEBYTES: %s\n", 456 strerror(errno)); 457 return FALSE; 458 } 459 /* 460 * Allocate room for saving the colormap. 461 */ 462 if (fPtr->info.cmsize != 0) { 463 fPtr->saved_cmap.red = 464 (unsigned char *)xalloc(fPtr->info.cmsize); 465 if (fPtr->saved_cmap.red == NULL) { 466 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 467 "Cannot malloc %d bytes\n", fPtr->info.cmsize); 468 return FALSE; 469 } 470 fPtr->saved_cmap.green = 471 (unsigned char *)xalloc(fPtr->info.cmsize); 472 if (fPtr->saved_cmap.green == NULL) { 473 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 474 "Cannot malloc %d bytes\n", fPtr->info.cmsize); 475 xfree(fPtr->saved_cmap.red); 476 return FALSE; 477 } 478 fPtr->saved_cmap.blue = 479 (unsigned char *)xalloc(fPtr->info.cmsize); 480 if (fPtr->saved_cmap.blue == NULL) { 481 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 482 "Cannot malloc %d bytes\n", fPtr->info.cmsize); 483 xfree(fPtr->saved_cmap.red); 484 xfree(fPtr->saved_cmap.green); 485 return FALSE; 486 } 487 } 488 489 /* Handle depth */ 490 default_depth = fPtr->info.depth <= 24 ? fPtr->info.depth : 24; 491 if (!xf86SetDepthBpp(pScrn, default_depth, default_depth, 492 fPtr->info.depth, 493 fPtr->info.depth >= 24 ? Support24bppFb|Support32bppFb : 0)) 494 return FALSE; 495 496 /* Check consistency. */ 497 if (pScrn->bitsPerPixel != fPtr->info.depth) { 498 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 499 "specified depth (%d) or bpp (%d) doesn't match " 500 "framebuffer depth (%d)\n", pScrn->depth, 501 pScrn->bitsPerPixel, fPtr->info.depth); 502 return FALSE; 503 } 504 xf86PrintDepthBpp(pScrn); 505 506 /* Get the depth24 pixmap format. */ 507 if (pScrn->depth == 24 && pix24bpp == 0) 508 pix24bpp = xf86GetBppFromDepth(pScrn, 24); 509 510 /* Color weight */ 511 if (pScrn->depth > 8) { 512 rgb zeros = { 0, 0, 0 }, masks; 513 514 if (wstype == WSDISPLAY_TYPE_SUN24 || 515 wstype == WSDISPLAY_TYPE_SUNCG12 || 516 wstype == WSDISPLAY_TYPE_SUNCG14 || 517 wstype == WSDISPLAY_TYPE_SUNTCX || 518 wstype == WSDISPLAY_TYPE_SUNFFB || 519 wstype == WSDISPLAY_TYPE_XVR1000) { 520 masks.red = 0x0000ff; 521 masks.green = 0x00ff00; 522 masks.blue = 0xff0000; 523 } else { 524 masks.red = 0; 525 masks.green = 0; 526 masks.blue = 0; 527 } 528 529 if (!xf86SetWeight(pScrn, zeros, masks)) 530 return FALSE; 531 } 532 533 /* Visual init */ 534 if (!xf86SetDefaultVisual(pScrn, -1)) 535 return FALSE; 536 537 /* We don't currently support DirectColor at > 8bpp . */ 538 if (pScrn->depth > 8 && pScrn->defaultVisual != TrueColor) { 539 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Given default visual" 540 " (%s) is not supported at depth %d\n", 541 xf86GetVisualName(pScrn->defaultVisual), 542 pScrn->depth); 543 return FALSE; 544 } 545 546 xf86SetGamma(pScrn,zeros); 547 548 pScrn->progClock = TRUE; 549 pScrn->rgbBits = (pScrn->depth >= 8) ? 8 : pScrn->depth; 550 pScrn->chipset = "wsfb"; 551 pScrn->videoRam = fPtr->linebytes * fPtr->info.height; 552 553 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Vidmem: %dk\n", 554 pScrn->videoRam/1024); 555 556 /* Handle options. */ 557 xf86CollectOptions(pScrn, NULL); 558 if (!(fPtr->Options = xalloc(sizeof(WsfbOptions)))) 559 return FALSE; 560 memcpy(fPtr->Options, WsfbOptions, sizeof(WsfbOptions)); 561 xf86ProcessOptions(pScrn->scrnIndex, fPtr->pEnt->device->options, 562 fPtr->Options); 563 564 /* Use shadow framebuffer by default, on depth >= 8 */ 565 if (pScrn->depth >= 8) 566 fPtr->shadowFB = xf86ReturnOptValBool(fPtr->Options, 567 OPTION_SHADOW_FB, TRUE); 568 else 569 if (xf86ReturnOptValBool(fPtr->Options, 570 OPTION_SHADOW_FB, FALSE)) { 571 xf86DrvMsg(pScrn->scrnIndex, X_WARNING, 572 "Shadow FB option ignored on depth < 8"); 573 } 574 575 /* Rotation */ 576 fPtr->rotate = WSFB_ROTATE_NONE; 577 if ((s = xf86GetOptValString(fPtr->Options, OPTION_ROTATE))) { 578 if (pScrn->depth >= 8) { 579 if (!xf86NameCmp(s, "CW")) { 580 fPtr->shadowFB = TRUE; 581 fPtr->rotate = WSFB_ROTATE_CW; 582 xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, 583 "Rotating screen clockwise\n"); 584 } else if (!xf86NameCmp(s, "CCW")) { 585 fPtr->shadowFB = TRUE; 586 fPtr->rotate = WSFB_ROTATE_CCW; 587 xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, 588 "Rotating screen counter clockwise\n"); 589 } else if (!xf86NameCmp(s, "UD")) { 590 fPtr->shadowFB = TRUE; 591 fPtr->rotate = WSFB_ROTATE_UD; 592 xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, 593 "Rotating screen upside down\n"); 594 } else { 595 xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, 596 "\"%s\" is not a valid value for Option " 597 "\"Rotate\"\n", s); 598 xf86DrvMsg(pScrn->scrnIndex, X_INFO, 599 "Valid options are \"CW\", \"CCW\"," 600 " or \"UD\"\n"); 601 } 602 } else { 603 xf86DrvMsg(pScrn->scrnIndex, X_WARNING, 604 "Option \"Rotate\" ignored on depth < 8"); 605 } 606 } 607 608 /* Fake video mode struct. */ 609 mode = (DisplayModePtr)xalloc(sizeof(DisplayModeRec)); 610 mode->prev = mode; 611 mode->next = mode; 612 mode->name = "wsfb current mode"; 613 mode->status = MODE_OK; 614 mode->type = M_T_BUILTIN; 615 mode->Clock = 0; 616 mode->HDisplay = fPtr->info.width; 617 mode->HSyncStart = 0; 618 mode->HSyncEnd = 0; 619 mode->HTotal = 0; 620 mode->HSkew = 0; 621 mode->VDisplay = fPtr->info.height; 622 mode->VSyncStart = 0; 623 mode->VSyncEnd = 0; 624 mode->VTotal = 0; 625 mode->VScan = 0; 626 mode->Flags = 0; 627 if (pScrn->modes != NULL) { 628 xf86DrvMsg(pScrn->scrnIndex, X_INFO, 629 "Ignoring mode specification from screen section\n"); 630 } 631 pScrn->currentMode = pScrn->modes = mode; 632 pScrn->virtualX = fPtr->info.width; 633 pScrn->virtualY = fPtr->info.height; 634 pScrn->displayWidth = pScrn->virtualX; 635 636 /* Set the display resolution. */ 637 xf86SetDpi(pScrn, 0, 0); 638 639 from = X_DEFAULT; 640 fPtr->HWCursor = TRUE; 641 if (xf86GetOptValBool(fPtr->Options, OPTION_HW_CURSOR, &fPtr->HWCursor)) 642 from = X_CONFIG; 643 if (xf86ReturnOptValBool(fPtr->Options, OPTION_SW_CURSOR, FALSE)) { 644 from = X_CONFIG; 645 fPtr->HWCursor = FALSE; 646 } 647 xf86DrvMsg(pScrn->scrnIndex, from, "Using %s cursor\n", 648 fPtr->HWCursor ? "HW" : "SW"); 649 650 /* Load bpp-specific modules. */ 651 switch(pScrn->bitsPerPixel) { 652 case 1: 653 case 4: 654 default: 655 mod = "fb"; 656 break; 657 } 658 659 660 /* Load shadow if needed. */ 661 if (fPtr->shadowFB) { 662 xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, 663 "Using \"Shadow Framebuffer\"\n"); 664 if (xf86LoadSubModule(pScrn, "shadow") == NULL) { 665 WsfbFreeRec(pScrn); 666 return FALSE; 667 } 668 } 669 670 if (mod && xf86LoadSubModule(pScrn, mod) == NULL) { 671 WsfbFreeRec(pScrn); 672 return FALSE; 673 } 674 675 if (xf86LoadSubModule(pScrn, "ramdac") == NULL) { 676 WsfbFreeRec(pScrn); 677 return FALSE; 678 } 679 680 if (mod) { 681 if (reqSym) { 682 xf86LoaderReqSymbols(reqSym, NULL); 683 } else { 684 xf86LoaderReqSymLists(fbSymbols, NULL); 685 } 686 } 687 TRACE_EXIT("PreInit"); 688 return TRUE; 689} 690 691static Bool 692WsfbCreateScreenResources(ScreenPtr pScreen) 693{ 694 ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; 695 WsfbPtr fPtr = WSFBPTR(pScrn); 696 PixmapPtr pPixmap; 697 Bool ret; 698 699 pScreen->CreateScreenResources = fPtr->CreateScreenResources; 700 ret = pScreen->CreateScreenResources(pScreen); 701 pScreen->CreateScreenResources = WsfbCreateScreenResources; 702 703 if (!ret) 704 return FALSE; 705 706 pPixmap = pScreen->GetScreenPixmap(pScreen); 707 708 if (!shadowAdd(pScreen, pPixmap, fPtr->rotate ? 709 shadowUpdateRotatePackedWeak() : shadowUpdatePackedWeak(), 710 WsfbWindowLinear, fPtr->rotate, NULL)) { 711 return FALSE; 712 } 713 return TRUE; 714} 715 716 717static Bool 718WsfbShadowInit(ScreenPtr pScreen) 719{ 720 ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; 721 WsfbPtr fPtr = WSFBPTR(pScrn); 722 723 if (!shadowSetup(pScreen)) 724 return FALSE; 725 fPtr->CreateScreenResources = pScreen->CreateScreenResources; 726 pScreen->CreateScreenResources = WsfbCreateScreenResources; 727 728 return TRUE; 729} 730 731static Bool 732WsfbScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv) 733{ 734 ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; 735 WsfbPtr fPtr = WSFBPTR(pScrn); 736 VisualPtr visual; 737 int ret, flags, ncolors; 738 int wsmode = WSDISPLAYIO_MODE_DUMBFB; 739 int wstype; 740 size_t len; 741 742 TRACE_ENTER("WsfbScreenInit"); 743#if DEBUG 744 ErrorF("\tbitsPerPixel=%d, depth=%d, defaultVisual=%s\n" 745 "\tmask: %x,%x,%x, offset: %u,%u,%u\n", 746 pScrn->bitsPerPixel, 747 pScrn->depth, 748 xf86GetVisualName(pScrn->defaultVisual), 749 pScrn->mask.red,pScrn->mask.green,pScrn->mask.blue, 750 pScrn->offset.red,pScrn->offset.green,pScrn->offset.blue); 751#endif 752 switch (fPtr->info.depth) { 753 case 1: 754 case 4: 755 case 8: 756 len = fPtr->linebytes*fPtr->info.height; 757 break; 758 case 16: 759 if (fPtr->linebytes == fPtr->info.width) { 760 len = fPtr->info.width*fPtr->info.height*sizeof(short); 761 } else { 762 len = fPtr->linebytes*fPtr->info.height; 763 } 764 break; 765 case 24: 766 if (fPtr->linebytes == fPtr->info.width) { 767 len = fPtr->info.width*fPtr->info.height*3; 768 } else { 769 len = fPtr->linebytes*fPtr->info.height; 770 } 771 break; 772 case 32: 773 if (fPtr->linebytes == fPtr->info.width) { 774 len = fPtr->info.width*fPtr->info.height*sizeof(int); 775 } else { 776 len = fPtr->linebytes*fPtr->info.height; 777 } 778 break; 779 default: 780 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 781 "unsupported depth %d\n", fPtr->info.depth); 782 return FALSE; 783 } 784 /* Switch to graphics mode - required before mmap. */ 785 if (ioctl(fPtr->fd, WSDISPLAYIO_SMODE, &wsmode) == -1) { 786 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 787 "ioctl WSDISPLAYIO_SMODE: %s\n", 788 strerror(errno)); 789 return FALSE; 790 } 791 /* Get wsdisplay type to handle quirks */ 792 if (ioctl(fPtr->fd, WSDISPLAYIO_GTYPE, &wstype) == -1) { 793 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 794 "ioctl WSDISPLAY_GTYPE: %s\n", 795 strerror(errno)); 796 return FALSE; 797 } 798 fPtr->fbmem = wsfb_mmap(len, 0, fPtr->fd); 799 800 if (fPtr->fbmem == NULL) { 801 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 802 "wsfb_mmap: %s\n", strerror(errno)); 803 return FALSE; 804 } 805 fPtr->fbmem_len = len; 806 807 WsfbSave(pScrn); 808 pScrn->vtSema = TRUE; 809 810 /* MI layer */ 811 miClearVisualTypes(); 812 if (pScrn->bitsPerPixel > 8) { 813 if (!miSetVisualTypes(pScrn->depth, TrueColorMask, 814 pScrn->rgbBits, TrueColor)) 815 return FALSE; 816 } else { 817 if (!miSetVisualTypes(pScrn->depth, 818 miGetDefaultVisualMask(pScrn->depth), 819 pScrn->rgbBits, pScrn->defaultVisual)) 820 return FALSE; 821 } 822 if (!miSetPixmapDepths()) 823 return FALSE; 824 825 if (fPtr->rotate == WSFB_ROTATE_CW 826 || fPtr->rotate == WSFB_ROTATE_CCW) { 827 int tmp = pScrn->virtualX; 828 pScrn->virtualX = pScrn->displayWidth = pScrn->virtualY; 829 pScrn->virtualY = tmp; 830 } 831 if (fPtr->rotate && !fPtr->PointerMoved) { 832 fPtr->PointerMoved = pScrn->PointerMoved; 833 pScrn->PointerMoved = WsfbPointerMoved; 834 } 835 836 fPtr->fbstart = fPtr->fbmem; 837#ifdef WSDISPLAY_TYPE_LUNA 838 if (wstype == WSDISPLAY_TYPE_LUNA) { 839 /* 840 * XXX 841 * LUNA's FB seems to have 64 dot (8 byte) offset. 842 * This might be able to be changed in kernel lunafb driver, 843 * but current setting was pulled from 4.4BSD-Lite2/luna68k. 844 */ 845 fPtr->fbstart += 8; 846 } 847#endif 848 849 if (fPtr->shadowFB) { 850 fPtr->shadow = xcalloc(1, pScrn->virtualX * pScrn->virtualY * 851 pScrn->bitsPerPixel); 852 853 if (!fPtr->shadow) { 854 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 855 "Failed to allocate shadow framebuffer\n"); 856 return FALSE; 857 } 858 } 859 860 switch (pScrn->bitsPerPixel) { 861 case 1: 862 ret = fbScreenInit(pScreen, 863 fPtr->fbstart, 864 pScrn->virtualX, pScrn->virtualY, 865 pScrn->xDpi, pScrn->yDpi, 866 fPtr->linebytes * 8, pScrn->bitsPerPixel); 867 break; 868 case 4: 869 case 8: 870 case 16: 871 case 24: 872 case 32: 873 ret = fbScreenInit(pScreen, 874 fPtr->shadowFB ? fPtr->shadow : fPtr->fbstart, 875 pScrn->virtualX, pScrn->virtualY, 876 pScrn->xDpi, pScrn->yDpi, 877 pScrn->displayWidth, pScrn->bitsPerPixel); 878 break; 879 default: 880 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 881 "Unsupported bpp: %d", pScrn->bitsPerPixel); 882 return FALSE; 883 } /* case */ 884 885 if (!ret) 886 return FALSE; 887 888 if (pScrn->bitsPerPixel > 8) { 889 /* Fixup RGB ordering. */ 890 visual = pScreen->visuals + pScreen->numVisuals; 891 while (--visual >= pScreen->visuals) { 892 if ((visual->class | DynamicClass) == DirectColor) { 893 visual->offsetRed = pScrn->offset.red; 894 visual->offsetGreen = pScrn->offset.green; 895 visual->offsetBlue = pScrn->offset.blue; 896 visual->redMask = pScrn->mask.red; 897 visual->greenMask = pScrn->mask.green; 898 visual->blueMask = pScrn->mask.blue; 899 } 900 } 901 } 902 903 if (pScrn->bitsPerPixel >= 8) { 904 if (!fbPictureInit(pScreen, NULL, 0)) 905 xf86DrvMsg(pScrn->scrnIndex, X_WARNING, 906 "RENDER extension initialisation failed."); 907 } 908 if (fPtr->shadowFB && !WsfbShadowInit(pScreen)) { 909 xf86DrvMsg(scrnIndex, X_ERROR, 910 "shadow framebuffer initialization failed\n"); 911 return FALSE; 912 } 913 914#ifdef XFreeXDGA 915 if (!fPtr->rotate) 916 WsfbDGAInit(pScrn, pScreen); 917 else 918 xf86DrvMsg(scrnIndex, X_INFO, "Rotated display, " 919 "disabling DGA\n"); 920#endif 921 if (fPtr->rotate) { 922 xf86DrvMsg(scrnIndex, X_INFO, "Enabling Driver Rotation, " 923 "disabling RandR\n"); 924 xf86DisableRandR(); 925 if (pScrn->bitsPerPixel == 24) 926 xf86DrvMsg(scrnIndex, X_WARNING, 927 "Rotation might be broken in 24 bpp\n"); 928 } 929 930 xf86SetBlackWhitePixels(pScreen); 931 miInitializeBackingStore(pScreen); 932 xf86SetBackingStore(pScreen); 933 934 /* Software cursor. */ 935 miDCInitialize(pScreen, xf86GetPointerScreenFuncs()); 936 937 /* check for hardware cursor support */ 938 if (fPtr->HWCursor) 939 WsfbSetupCursor(pScreen); 940 941 /* 942 * Colormap 943 * 944 * Note that, even on less than 8 bit depth frame buffers, we 945 * expect the colormap to be programmable with 8 bit values. 946 * As of now, this is indeed the case on all OpenBSD supported 947 * graphics hardware. 948 */ 949 if (!miCreateDefColormap(pScreen)) 950 return FALSE; 951 flags = CMAP_RELOAD_ON_MODE_SWITCH; 952 ncolors = fPtr->info.cmsize; 953 /* On StaticGray visuals, fake a 256 entries colormap. */ 954 if (ncolors == 0) 955 ncolors = 256; 956 if(!xf86HandleColormaps(pScreen, ncolors, 8, WsfbLoadPalette, 957 NULL, flags)) 958 return FALSE; 959 960 pScreen->SaveScreen = WsfbSaveScreen; 961 962#ifdef XvExtension 963 { 964 XF86VideoAdaptorPtr *ptr; 965 966 int n = xf86XVListGenericAdaptors(pScrn,&ptr); 967 if (n) { 968 xf86XVScreenInit(pScreen,ptr,n); 969 } 970 } 971#endif 972 973 /* Wrap the current CloseScreen function. */ 974 fPtr->CloseScreen = pScreen->CloseScreen; 975 pScreen->CloseScreen = WsfbCloseScreen; 976 977 TRACE_EXIT("WsfbScreenInit"); 978 return TRUE; 979} 980 981static Bool 982WsfbCloseScreen(int scrnIndex, ScreenPtr pScreen) 983{ 984 ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; 985 PixmapPtr pPixmap; 986 WsfbPtr fPtr = WSFBPTR(pScrn); 987 988 989 TRACE_ENTER("WsfbCloseScreen"); 990 991 pPixmap = pScreen->GetScreenPixmap(pScreen); 992 shadowRemove(pScreen, pPixmap); 993 994 if (pScrn->vtSema) { 995 WsfbRestore(pScrn); 996 if (munmap(fPtr->fbmem, fPtr->fbmem_len) == -1) { 997 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 998 "munmap: %s\n", strerror(errno)); 999 } 1000 1001 fPtr->fbmem = NULL; 1002 } 1003#ifdef XFreeXDGA 1004 if (fPtr->pDGAMode) { 1005 xfree(fPtr->pDGAMode); 1006 fPtr->pDGAMode = NULL; 1007 fPtr->nDGAMode = 0; 1008 } 1009#endif 1010 pScrn->vtSema = FALSE; 1011 1012 /* Unwrap CloseScreen. */ 1013 pScreen->CloseScreen = fPtr->CloseScreen; 1014 TRACE_EXIT("WsfbCloseScreen"); 1015 return (*pScreen->CloseScreen)(scrnIndex, pScreen); 1016} 1017 1018static void * 1019WsfbWindowLinear(ScreenPtr pScreen, CARD32 row, CARD32 offset, int mode, 1020 CARD32 *size, void *closure) 1021{ 1022 ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; 1023 WsfbPtr fPtr = WSFBPTR(pScrn); 1024 1025 if (fPtr->linebytes) 1026 *size = fPtr->linebytes; 1027 else { 1028 if (ioctl(fPtr->fd, WSDISPLAYIO_LINEBYTES, size) == -1) 1029 return NULL; 1030 fPtr->linebytes = *size; 1031 } 1032 return ((CARD8 *)fPtr->fbmem + row *fPtr->linebytes + offset); 1033} 1034 1035static void 1036WsfbPointerMoved(int index, int x, int y) 1037{ 1038 ScrnInfoPtr pScrn = xf86Screens[index]; 1039 WsfbPtr fPtr = WSFBPTR(pScrn); 1040 int newX, newY; 1041 1042 switch (fPtr->rotate) 1043 { 1044 case WSFB_ROTATE_CW: 1045 /* 90 degrees CW rotation. */ 1046 newX = pScrn->pScreen->height - y - 1; 1047 newY = x; 1048 break; 1049 1050 case WSFB_ROTATE_CCW: 1051 /* 90 degrees CCW rotation. */ 1052 newX = y; 1053 newY = pScrn->pScreen->width - x - 1; 1054 break; 1055 1056 case WSFB_ROTATE_UD: 1057 /* 180 degrees UD rotation. */ 1058 newX = pScrn->pScreen->width - x - 1; 1059 newY = pScrn->pScreen->height - y - 1; 1060 break; 1061 1062 default: 1063 /* No rotation. */ 1064 newX = x; 1065 newY = y; 1066 break; 1067 } 1068 1069 /* Pass adjusted pointer coordinates to wrapped PointerMoved function. */ 1070 (*fPtr->PointerMoved)(index, newX, newY); 1071} 1072 1073static Bool 1074WsfbEnterVT(int scrnIndex, int flags) 1075{ 1076 ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; 1077 1078 TRACE_ENTER("EnterVT"); 1079 pScrn->vtSema = TRUE; 1080 TRACE_EXIT("EnterVT"); 1081 return TRUE; 1082} 1083 1084static void 1085WsfbLeaveVT(int scrnIndex, int flags) 1086{ 1087#if DEBUG 1088 ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; 1089#endif 1090 1091 TRACE_ENTER("LeaveVT"); 1092} 1093 1094static Bool 1095WsfbSwitchMode(int scrnIndex, DisplayModePtr mode, int flags) 1096{ 1097#if DEBUG 1098 ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; 1099#endif 1100 1101 TRACE_ENTER("SwitchMode"); 1102 /* Nothing else to do. */ 1103 return TRUE; 1104} 1105 1106static int 1107WsfbValidMode(int scrnIndex, DisplayModePtr mode, Bool verbose, int flags) 1108{ 1109#if DEBUG 1110 ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; 1111#endif 1112 1113 TRACE_ENTER("ValidMode"); 1114 return MODE_OK; 1115} 1116 1117static void 1118WsfbLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices, 1119 LOCO *colors, VisualPtr pVisual) 1120{ 1121 WsfbPtr fPtr = WSFBPTR(pScrn); 1122 struct wsdisplay_cmap cmap; 1123 unsigned char red[256],green[256],blue[256]; 1124 int i, indexMin=256, indexMax=0; 1125 1126 TRACE_ENTER("LoadPalette"); 1127 1128 cmap.count = 1; 1129 cmap.red = red; 1130 cmap.green = green; 1131 cmap.blue = blue; 1132 1133 if (numColors == 1) { 1134 /* Optimisation */ 1135 cmap.index = indices[0]; 1136 red[0] = colors[indices[0]].red; 1137 green[0] = colors[indices[0]].green; 1138 blue[0] = colors[indices[0]].blue; 1139 if (ioctl(fPtr->fd,WSDISPLAYIO_PUTCMAP, &cmap) == -1) 1140 ErrorF("ioctl FBIOPUTCMAP: %s\n", strerror(errno)); 1141 } else { 1142 /* 1143 * Change all colors in 2 ioctls 1144 * and limit the data to be transfered. 1145 */ 1146 for (i = 0; i < numColors; i++) { 1147 if (indices[i] < indexMin) 1148 indexMin = indices[i]; 1149 if (indices[i] > indexMax) 1150 indexMax = indices[i]; 1151 } 1152 cmap.index = indexMin; 1153 cmap.count = indexMax - indexMin + 1; 1154 cmap.red = &red[indexMin]; 1155 cmap.green = &green[indexMin]; 1156 cmap.blue = &blue[indexMin]; 1157 /* Get current map. */ 1158 if (ioctl(fPtr->fd, WSDISPLAYIO_GETCMAP, &cmap) == -1) 1159 ErrorF("ioctl FBIOGETCMAP: %s\n", strerror(errno)); 1160 /* Change the colors that require updating. */ 1161 for (i = 0; i < numColors; i++) { 1162 red[indices[i]] = colors[indices[i]].red; 1163 green[indices[i]] = colors[indices[i]].green; 1164 blue[indices[i]] = colors[indices[i]].blue; 1165 } 1166 /* Write the colormap back. */ 1167 if (ioctl(fPtr->fd,WSDISPLAYIO_PUTCMAP, &cmap) == -1) 1168 ErrorF("ioctl FBIOPUTCMAP: %s\n", strerror(errno)); 1169 } 1170 TRACE_EXIT("LoadPalette"); 1171} 1172 1173static Bool 1174WsfbSaveScreen(ScreenPtr pScreen, int mode) 1175{ 1176 ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; 1177 WsfbPtr fPtr = WSFBPTR(pScrn); 1178 int state; 1179 1180 TRACE_ENTER("SaveScreen"); 1181 1182 if (!pScrn->vtSema) 1183 return TRUE; 1184 1185 if (mode != SCREEN_SAVER_FORCER) { 1186 state = xf86IsUnblank(mode)?WSDISPLAYIO_VIDEO_ON: 1187 WSDISPLAYIO_VIDEO_OFF; 1188 ioctl(fPtr->fd, 1189 WSDISPLAYIO_SVIDEO, &state); 1190 } 1191 TRACE_EXIT("SaveScreen"); 1192 return TRUE; 1193} 1194 1195 1196static void 1197WsfbSave(ScrnInfoPtr pScrn) 1198{ 1199 WsfbPtr fPtr = WSFBPTR(pScrn); 1200 1201 TRACE_ENTER("WsfbSave"); 1202 1203 if (fPtr->info.cmsize == 0) 1204 return; 1205 1206 fPtr->saved_cmap.index = 0; 1207 fPtr->saved_cmap.count = fPtr->info.cmsize; 1208 if (ioctl(fPtr->fd, WSDISPLAYIO_GETCMAP, 1209 &(fPtr->saved_cmap)) == -1) { 1210 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 1211 "error saving colormap %s\n", strerror(errno)); 1212 } 1213 TRACE_EXIT("WsfbSave"); 1214 1215} 1216 1217static void 1218WsfbRestore(ScrnInfoPtr pScrn) 1219{ 1220 WsfbPtr fPtr = WSFBPTR(pScrn); 1221 int mode; 1222 1223 TRACE_ENTER("WsfbRestore"); 1224 1225 if (fPtr->info.cmsize != 0) { 1226 /* reset colormap for text mode */ 1227 if (ioctl(fPtr->fd, WSDISPLAYIO_PUTCMAP, 1228 &(fPtr->saved_cmap)) == -1) { 1229 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 1230 "error restoring colormap %s\n", 1231 strerror(errno)); 1232 } 1233 } 1234 1235 /* Clear the screen. */ 1236 memset(fPtr->fbmem, 0, fPtr->fbmem_len); 1237 1238 /* Restore the text mode. */ 1239 mode = WSDISPLAYIO_MODE_EMUL; 1240 if (ioctl(fPtr->fd, WSDISPLAYIO_SMODE, &mode) == -1) { 1241 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 1242 "error setting text mode %s\n", strerror(errno)); 1243 } 1244 TRACE_EXIT("WsfbRestore"); 1245} 1246 1247#ifdef XFreeXDGA 1248/*********************************************************************** 1249 * DGA stuff 1250 ***********************************************************************/ 1251 1252static Bool 1253WsfbDGAOpenFramebuffer(ScrnInfoPtr pScrn, char **DeviceName, 1254 unsigned char **ApertureBase, int *ApertureSize, 1255 int *ApertureOffset, int *flags) 1256{ 1257 *DeviceName = NULL; /* No special device */ 1258 *ApertureBase = (unsigned char *)(pScrn->memPhysBase); 1259 *ApertureSize = pScrn->videoRam; 1260 *ApertureOffset = pScrn->fbOffset; 1261 *flags = 0; 1262 1263 return TRUE; 1264} 1265 1266static Bool 1267WsfbDGASetMode(ScrnInfoPtr pScrn, DGAModePtr pDGAMode) 1268{ 1269 DisplayModePtr pMode; 1270 int scrnIdx = pScrn->pScreen->myNum; 1271 int frameX0, frameY0; 1272 1273 if (pDGAMode) { 1274 pMode = pDGAMode->mode; 1275 frameX0 = frameY0 = 0; 1276 } else { 1277 if (!(pMode = pScrn->currentMode)) 1278 return TRUE; 1279 1280 frameX0 = pScrn->frameX0; 1281 frameY0 = pScrn->frameY0; 1282 } 1283 1284 if (!(*pScrn->SwitchMode)(scrnIdx, pMode, 0)) 1285 return FALSE; 1286 (*pScrn->AdjustFrame)(scrnIdx, frameX0, frameY0, 0); 1287 1288 return TRUE; 1289} 1290 1291static void 1292WsfbDGASetViewport(ScrnInfoPtr pScrn, int x, int y, int flags) 1293{ 1294 (*pScrn->AdjustFrame)(pScrn->pScreen->myNum, x, y, flags); 1295} 1296 1297static int 1298WsfbDGAGetViewport(ScrnInfoPtr pScrn) 1299{ 1300 return (0); 1301} 1302 1303static DGAFunctionRec WsfbDGAFunctions = 1304{ 1305 WsfbDGAOpenFramebuffer, 1306 NULL, /* CloseFramebuffer */ 1307 WsfbDGASetMode, 1308 WsfbDGASetViewport, 1309 WsfbDGAGetViewport, 1310 NULL, /* Sync */ 1311 NULL, /* FillRect */ 1312 NULL, /* BlitRect */ 1313 NULL, /* BlitTransRect */ 1314}; 1315 1316static void 1317WsfbDGAAddModes(ScrnInfoPtr pScrn) 1318{ 1319 WsfbPtr fPtr = WSFBPTR(pScrn); 1320 DisplayModePtr pMode = pScrn->modes; 1321 DGAModePtr pDGAMode; 1322 1323 do { 1324 pDGAMode = xrealloc(fPtr->pDGAMode, 1325 (fPtr->nDGAMode + 1) * sizeof(DGAModeRec)); 1326 if (!pDGAMode) 1327 break; 1328 1329 fPtr->pDGAMode = pDGAMode; 1330 pDGAMode += fPtr->nDGAMode; 1331 (void)memset(pDGAMode, 0, sizeof(DGAModeRec)); 1332 1333 ++fPtr->nDGAMode; 1334 pDGAMode->mode = pMode; 1335 pDGAMode->flags = DGA_CONCURRENT_ACCESS | DGA_PIXMAP_AVAILABLE; 1336 pDGAMode->byteOrder = pScrn->imageByteOrder; 1337 pDGAMode->depth = pScrn->depth; 1338 pDGAMode->bitsPerPixel = pScrn->bitsPerPixel; 1339 pDGAMode->red_mask = pScrn->mask.red; 1340 pDGAMode->green_mask = pScrn->mask.green; 1341 pDGAMode->blue_mask = pScrn->mask.blue; 1342 pDGAMode->visualClass = pScrn->bitsPerPixel > 8 ? 1343 TrueColor : PseudoColor; 1344 pDGAMode->xViewportStep = 1; 1345 pDGAMode->yViewportStep = 1; 1346 pDGAMode->viewportWidth = pMode->HDisplay; 1347 pDGAMode->viewportHeight = pMode->VDisplay; 1348 1349 if (fPtr->linebytes) 1350 pDGAMode->bytesPerScanline = fPtr->linebytes; 1351 else { 1352 ioctl(fPtr->fd, WSDISPLAYIO_LINEBYTES, 1353 &fPtr->linebytes); 1354 pDGAMode->bytesPerScanline = fPtr->linebytes; 1355 } 1356 1357 pDGAMode->imageWidth = pMode->HDisplay; 1358 pDGAMode->imageHeight = pMode->VDisplay; 1359 pDGAMode->pixmapWidth = pDGAMode->imageWidth; 1360 pDGAMode->pixmapHeight = pDGAMode->imageHeight; 1361 pDGAMode->maxViewportX = pScrn->virtualX - 1362 pDGAMode->viewportWidth; 1363 pDGAMode->maxViewportY = pScrn->virtualY - 1364 pDGAMode->viewportHeight; 1365 1366 pDGAMode->address = fPtr->fbstart; 1367 1368 pMode = pMode->next; 1369 } while (pMode != pScrn->modes); 1370} 1371 1372static Bool 1373WsfbDGAInit(ScrnInfoPtr pScrn, ScreenPtr pScreen) 1374{ 1375 WsfbPtr fPtr = WSFBPTR(pScrn); 1376 1377 if (pScrn->depth < 8) 1378 return FALSE; 1379 1380 if (!fPtr->nDGAMode) 1381 WsfbDGAAddModes(pScrn); 1382 1383 return (DGAInit(pScreen, &WsfbDGAFunctions, 1384 fPtr->pDGAMode, fPtr->nDGAMode)); 1385} 1386#endif 1387 1388static Bool 1389WsfbDriverFunc(ScrnInfoPtr pScrn, xorgDriverFuncOp op, 1390 pointer ptr) 1391{ 1392 xorgHWFlags *flag; 1393 1394 switch (op) { 1395 case GET_REQUIRED_HW_INTERFACES: 1396 flag = (CARD32*)ptr; 1397 (*flag) = 0; 1398 return TRUE; 1399 default: 1400 return FALSE; 1401 } 1402} 1403 1404