wsfb_driver.c revision ce8ce673
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 wstype == WSDISPLAY_TYPE_VC4) { 521 masks.red = 0x0000ff; 522 masks.green = 0x00ff00; 523 masks.blue = 0xff0000; 524 } else { 525 masks.red = 0; 526 masks.green = 0; 527 masks.blue = 0; 528 } 529 530 if (!xf86SetWeight(pScrn, zeros, masks)) 531 return FALSE; 532 } 533 534 /* Visual init */ 535 if (!xf86SetDefaultVisual(pScrn, -1)) 536 return FALSE; 537 538 /* We don't currently support DirectColor at > 8bpp . */ 539 if (pScrn->depth > 8 && pScrn->defaultVisual != TrueColor) { 540 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Given default visual" 541 " (%s) is not supported at depth %d\n", 542 xf86GetVisualName(pScrn->defaultVisual), 543 pScrn->depth); 544 return FALSE; 545 } 546 547 xf86SetGamma(pScrn,zeros); 548 549 pScrn->progClock = TRUE; 550 pScrn->rgbBits = (pScrn->depth >= 8) ? 8 : pScrn->depth; 551 pScrn->chipset = "wsfb"; 552 pScrn->videoRam = fPtr->linebytes * fPtr->info.height; 553 554 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Vidmem: %dk\n", 555 pScrn->videoRam/1024); 556 557 /* Handle options. */ 558 xf86CollectOptions(pScrn, NULL); 559 if (!(fPtr->Options = xalloc(sizeof(WsfbOptions)))) 560 return FALSE; 561 memcpy(fPtr->Options, WsfbOptions, sizeof(WsfbOptions)); 562 xf86ProcessOptions(pScrn->scrnIndex, fPtr->pEnt->device->options, 563 fPtr->Options); 564 565 /* Use shadow framebuffer by default, on depth >= 8 */ 566 if (pScrn->depth >= 8) 567 fPtr->shadowFB = xf86ReturnOptValBool(fPtr->Options, 568 OPTION_SHADOW_FB, TRUE); 569 else 570 if (xf86ReturnOptValBool(fPtr->Options, 571 OPTION_SHADOW_FB, FALSE)) { 572 xf86DrvMsg(pScrn->scrnIndex, X_WARNING, 573 "Shadow FB option ignored on depth < 8"); 574 } 575 576 /* Rotation */ 577 fPtr->rotate = WSFB_ROTATE_NONE; 578 if ((s = xf86GetOptValString(fPtr->Options, OPTION_ROTATE))) { 579 if (pScrn->depth >= 8) { 580 if (!xf86NameCmp(s, "CW")) { 581 fPtr->shadowFB = TRUE; 582 fPtr->rotate = WSFB_ROTATE_CW; 583 xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, 584 "Rotating screen clockwise\n"); 585 } else if (!xf86NameCmp(s, "CCW")) { 586 fPtr->shadowFB = TRUE; 587 fPtr->rotate = WSFB_ROTATE_CCW; 588 xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, 589 "Rotating screen counter clockwise\n"); 590 } else if (!xf86NameCmp(s, "UD")) { 591 fPtr->shadowFB = TRUE; 592 fPtr->rotate = WSFB_ROTATE_UD; 593 xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, 594 "Rotating screen upside down\n"); 595 } else { 596 xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, 597 "\"%s\" is not a valid value for Option " 598 "\"Rotate\"\n", s); 599 xf86DrvMsg(pScrn->scrnIndex, X_INFO, 600 "Valid options are \"CW\", \"CCW\"," 601 " or \"UD\"\n"); 602 } 603 } else { 604 xf86DrvMsg(pScrn->scrnIndex, X_WARNING, 605 "Option \"Rotate\" ignored on depth < 8"); 606 } 607 } 608 609 /* Fake video mode struct. */ 610 mode = (DisplayModePtr)xalloc(sizeof(DisplayModeRec)); 611 mode->prev = mode; 612 mode->next = mode; 613 mode->name = "wsfb current mode"; 614 mode->status = MODE_OK; 615 mode->type = M_T_BUILTIN; 616 mode->Clock = 0; 617 mode->HDisplay = fPtr->info.width; 618 mode->HSyncStart = 0; 619 mode->HSyncEnd = 0; 620 mode->HTotal = 0; 621 mode->HSkew = 0; 622 mode->VDisplay = fPtr->info.height; 623 mode->VSyncStart = 0; 624 mode->VSyncEnd = 0; 625 mode->VTotal = 0; 626 mode->VScan = 0; 627 mode->Flags = 0; 628 if (pScrn->modes != NULL) { 629 xf86DrvMsg(pScrn->scrnIndex, X_INFO, 630 "Ignoring mode specification from screen section\n"); 631 } 632 pScrn->currentMode = pScrn->modes = mode; 633 pScrn->virtualX = fPtr->info.width; 634 pScrn->virtualY = fPtr->info.height; 635 pScrn->displayWidth = pScrn->virtualX; 636 637 /* Set the display resolution. */ 638 xf86SetDpi(pScrn, 0, 0); 639 640 from = X_DEFAULT; 641 fPtr->HWCursor = TRUE; 642 if (xf86GetOptValBool(fPtr->Options, OPTION_HW_CURSOR, &fPtr->HWCursor)) 643 from = X_CONFIG; 644 if (xf86ReturnOptValBool(fPtr->Options, OPTION_SW_CURSOR, FALSE)) { 645 from = X_CONFIG; 646 fPtr->HWCursor = FALSE; 647 } 648 xf86DrvMsg(pScrn->scrnIndex, from, "Using %s cursor\n", 649 fPtr->HWCursor ? "HW" : "SW"); 650 651 /* Load bpp-specific modules. */ 652 switch(pScrn->bitsPerPixel) { 653 case 1: 654 case 4: 655 default: 656 mod = "fb"; 657 break; 658 } 659 660 661 /* Load shadow if needed. */ 662 if (fPtr->shadowFB) { 663 xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, 664 "Using \"Shadow Framebuffer\"\n"); 665 if (xf86LoadSubModule(pScrn, "shadow") == NULL) { 666 WsfbFreeRec(pScrn); 667 return FALSE; 668 } 669 } 670 671 if (mod && xf86LoadSubModule(pScrn, mod) == NULL) { 672 WsfbFreeRec(pScrn); 673 return FALSE; 674 } 675 676 if (xf86LoadSubModule(pScrn, "ramdac") == NULL) { 677 WsfbFreeRec(pScrn); 678 return FALSE; 679 } 680 681 if (mod) { 682 if (reqSym) { 683 xf86LoaderReqSymbols(reqSym, NULL); 684 } else { 685 xf86LoaderReqSymLists(fbSymbols, NULL); 686 } 687 } 688 TRACE_EXIT("PreInit"); 689 return TRUE; 690} 691 692static Bool 693WsfbCreateScreenResources(ScreenPtr pScreen) 694{ 695 ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; 696 WsfbPtr fPtr = WSFBPTR(pScrn); 697 PixmapPtr pPixmap; 698 Bool ret; 699 700 pScreen->CreateScreenResources = fPtr->CreateScreenResources; 701 ret = pScreen->CreateScreenResources(pScreen); 702 pScreen->CreateScreenResources = WsfbCreateScreenResources; 703 704 if (!ret) 705 return FALSE; 706 707 pPixmap = pScreen->GetScreenPixmap(pScreen); 708 709 if (!shadowAdd(pScreen, pPixmap, fPtr->rotate ? 710 shadowUpdateRotatePackedWeak() : shadowUpdatePackedWeak(), 711 WsfbWindowLinear, fPtr->rotate, NULL)) { 712 return FALSE; 713 } 714 return TRUE; 715} 716 717 718static Bool 719WsfbShadowInit(ScreenPtr pScreen) 720{ 721 ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; 722 WsfbPtr fPtr = WSFBPTR(pScrn); 723 724 if (!shadowSetup(pScreen)) 725 return FALSE; 726 fPtr->CreateScreenResources = pScreen->CreateScreenResources; 727 pScreen->CreateScreenResources = WsfbCreateScreenResources; 728 729 return TRUE; 730} 731 732static Bool 733WsfbScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv) 734{ 735 ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; 736 WsfbPtr fPtr = WSFBPTR(pScrn); 737 VisualPtr visual; 738 int ret, flags, ncolors; 739 int wsmode = WSDISPLAYIO_MODE_DUMBFB; 740 int wstype; 741 size_t len; 742 743 TRACE_ENTER("WsfbScreenInit"); 744#if DEBUG 745 ErrorF("\tbitsPerPixel=%d, depth=%d, defaultVisual=%s\n" 746 "\tmask: %x,%x,%x, offset: %u,%u,%u\n", 747 pScrn->bitsPerPixel, 748 pScrn->depth, 749 xf86GetVisualName(pScrn->defaultVisual), 750 pScrn->mask.red,pScrn->mask.green,pScrn->mask.blue, 751 pScrn->offset.red,pScrn->offset.green,pScrn->offset.blue); 752#endif 753 switch (fPtr->info.depth) { 754 case 1: 755 case 4: 756 case 8: 757 len = fPtr->linebytes*fPtr->info.height; 758 break; 759 case 16: 760 if (fPtr->linebytes == fPtr->info.width) { 761 len = fPtr->info.width*fPtr->info.height*sizeof(short); 762 } else { 763 len = fPtr->linebytes*fPtr->info.height; 764 } 765 break; 766 case 24: 767 if (fPtr->linebytes == fPtr->info.width) { 768 len = fPtr->info.width*fPtr->info.height*3; 769 } else { 770 len = fPtr->linebytes*fPtr->info.height; 771 } 772 break; 773 case 32: 774 if (fPtr->linebytes == fPtr->info.width) { 775 len = fPtr->info.width*fPtr->info.height*sizeof(int); 776 } else { 777 len = fPtr->linebytes*fPtr->info.height; 778 } 779 break; 780 default: 781 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 782 "unsupported depth %d\n", fPtr->info.depth); 783 return FALSE; 784 } 785 /* Switch to graphics mode - required before mmap. */ 786 if (ioctl(fPtr->fd, WSDISPLAYIO_SMODE, &wsmode) == -1) { 787 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 788 "ioctl WSDISPLAYIO_SMODE: %s\n", 789 strerror(errno)); 790 return FALSE; 791 } 792 /* Get wsdisplay type to handle quirks */ 793 if (ioctl(fPtr->fd, WSDISPLAYIO_GTYPE, &wstype) == -1) { 794 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 795 "ioctl WSDISPLAY_GTYPE: %s\n", 796 strerror(errno)); 797 return FALSE; 798 } 799 fPtr->fbmem = wsfb_mmap(len, 0, fPtr->fd); 800 801 if (fPtr->fbmem == NULL) { 802 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 803 "wsfb_mmap: %s\n", strerror(errno)); 804 return FALSE; 805 } 806 fPtr->fbmem_len = len; 807 808 WsfbSave(pScrn); 809 pScrn->vtSema = TRUE; 810 811 /* MI layer */ 812 miClearVisualTypes(); 813 if (pScrn->bitsPerPixel > 8) { 814 if (!miSetVisualTypes(pScrn->depth, TrueColorMask, 815 pScrn->rgbBits, TrueColor)) 816 return FALSE; 817 } else { 818 if (!miSetVisualTypes(pScrn->depth, 819 miGetDefaultVisualMask(pScrn->depth), 820 pScrn->rgbBits, pScrn->defaultVisual)) 821 return FALSE; 822 } 823 if (!miSetPixmapDepths()) 824 return FALSE; 825 826 if (fPtr->rotate == WSFB_ROTATE_CW 827 || fPtr->rotate == WSFB_ROTATE_CCW) { 828 int tmp = pScrn->virtualX; 829 pScrn->virtualX = pScrn->displayWidth = pScrn->virtualY; 830 pScrn->virtualY = tmp; 831 } 832 if (fPtr->rotate && !fPtr->PointerMoved) { 833 fPtr->PointerMoved = pScrn->PointerMoved; 834 pScrn->PointerMoved = WsfbPointerMoved; 835 } 836 837 fPtr->fbstart = fPtr->fbmem; 838#ifdef WSDISPLAY_TYPE_LUNA 839 if (wstype == WSDISPLAY_TYPE_LUNA) { 840 /* 841 * XXX 842 * LUNA's FB seems to have 64 dot (8 byte) offset. 843 * This might be able to be changed in kernel lunafb driver, 844 * but current setting was pulled from 4.4BSD-Lite2/luna68k. 845 */ 846 fPtr->fbstart += 8; 847 } 848#endif 849 850 if (fPtr->shadowFB) { 851 fPtr->shadow = xcalloc(1, pScrn->virtualX * pScrn->virtualY * 852 pScrn->bitsPerPixel); 853 854 if (!fPtr->shadow) { 855 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 856 "Failed to allocate shadow framebuffer\n"); 857 return FALSE; 858 } 859 } 860 861 switch (pScrn->bitsPerPixel) { 862 case 1: 863 ret = fbScreenInit(pScreen, 864 fPtr->fbstart, 865 pScrn->virtualX, pScrn->virtualY, 866 pScrn->xDpi, pScrn->yDpi, 867 fPtr->linebytes * 8, pScrn->bitsPerPixel); 868 break; 869 case 4: 870 case 8: 871 case 16: 872 case 24: 873 case 32: 874 ret = fbScreenInit(pScreen, 875 fPtr->shadowFB ? fPtr->shadow : fPtr->fbstart, 876 pScrn->virtualX, pScrn->virtualY, 877 pScrn->xDpi, pScrn->yDpi, 878 pScrn->displayWidth, pScrn->bitsPerPixel); 879 break; 880 default: 881 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 882 "Unsupported bpp: %d", pScrn->bitsPerPixel); 883 return FALSE; 884 } /* case */ 885 886 if (!ret) 887 return FALSE; 888 889 if (pScrn->bitsPerPixel > 8) { 890 /* Fixup RGB ordering. */ 891 visual = pScreen->visuals + pScreen->numVisuals; 892 while (--visual >= pScreen->visuals) { 893 if ((visual->class | DynamicClass) == DirectColor) { 894 visual->offsetRed = pScrn->offset.red; 895 visual->offsetGreen = pScrn->offset.green; 896 visual->offsetBlue = pScrn->offset.blue; 897 visual->redMask = pScrn->mask.red; 898 visual->greenMask = pScrn->mask.green; 899 visual->blueMask = pScrn->mask.blue; 900 } 901 } 902 } 903 904 if (pScrn->bitsPerPixel >= 8) { 905 if (!fbPictureInit(pScreen, NULL, 0)) 906 xf86DrvMsg(pScrn->scrnIndex, X_WARNING, 907 "RENDER extension initialisation failed."); 908 } 909 if (fPtr->shadowFB && !WsfbShadowInit(pScreen)) { 910 xf86DrvMsg(scrnIndex, X_ERROR, 911 "shadow framebuffer initialization failed\n"); 912 return FALSE; 913 } 914 915#ifdef XFreeXDGA 916 if (!fPtr->rotate) 917 WsfbDGAInit(pScrn, pScreen); 918 else 919 xf86DrvMsg(scrnIndex, X_INFO, "Rotated display, " 920 "disabling DGA\n"); 921#endif 922 if (fPtr->rotate) { 923 xf86DrvMsg(scrnIndex, X_INFO, "Enabling Driver Rotation, " 924 "disabling RandR\n"); 925 xf86DisableRandR(); 926 if (pScrn->bitsPerPixel == 24) 927 xf86DrvMsg(scrnIndex, X_WARNING, 928 "Rotation might be broken in 24 bpp\n"); 929 } 930 931 xf86SetBlackWhitePixels(pScreen); 932 miInitializeBackingStore(pScreen); 933 xf86SetBackingStore(pScreen); 934 935 /* Software cursor. */ 936 miDCInitialize(pScreen, xf86GetPointerScreenFuncs()); 937 938 /* check for hardware cursor support */ 939 if (fPtr->HWCursor) 940 WsfbSetupCursor(pScreen); 941 942 /* 943 * Colormap 944 * 945 * Note that, even on less than 8 bit depth frame buffers, we 946 * expect the colormap to be programmable with 8 bit values. 947 * As of now, this is indeed the case on all OpenBSD supported 948 * graphics hardware. 949 */ 950 if (!miCreateDefColormap(pScreen)) 951 return FALSE; 952 flags = CMAP_RELOAD_ON_MODE_SWITCH; 953 ncolors = fPtr->info.cmsize; 954 /* On StaticGray visuals, fake a 256 entries colormap. */ 955 if (ncolors == 0) 956 ncolors = 256; 957 if(!xf86HandleColormaps(pScreen, ncolors, 8, WsfbLoadPalette, 958 NULL, flags)) 959 return FALSE; 960 961 pScreen->SaveScreen = WsfbSaveScreen; 962 963#ifdef XvExtension 964 { 965 XF86VideoAdaptorPtr *ptr; 966 967 int n = xf86XVListGenericAdaptors(pScrn,&ptr); 968 if (n) { 969 xf86XVScreenInit(pScreen,ptr,n); 970 } 971 } 972#endif 973 974 /* Wrap the current CloseScreen function. */ 975 fPtr->CloseScreen = pScreen->CloseScreen; 976 pScreen->CloseScreen = WsfbCloseScreen; 977 978 TRACE_EXIT("WsfbScreenInit"); 979 return TRUE; 980} 981 982static Bool 983WsfbCloseScreen(int scrnIndex, ScreenPtr pScreen) 984{ 985 ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; 986 PixmapPtr pPixmap; 987 WsfbPtr fPtr = WSFBPTR(pScrn); 988 989 990 TRACE_ENTER("WsfbCloseScreen"); 991 992 pPixmap = pScreen->GetScreenPixmap(pScreen); 993 shadowRemove(pScreen, pPixmap); 994 995 if (pScrn->vtSema) { 996 WsfbRestore(pScrn); 997 if (munmap(fPtr->fbmem, fPtr->fbmem_len) == -1) { 998 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 999 "munmap: %s\n", strerror(errno)); 1000 } 1001 1002 fPtr->fbmem = NULL; 1003 } 1004#ifdef XFreeXDGA 1005 if (fPtr->pDGAMode) { 1006 xfree(fPtr->pDGAMode); 1007 fPtr->pDGAMode = NULL; 1008 fPtr->nDGAMode = 0; 1009 } 1010#endif 1011 pScrn->vtSema = FALSE; 1012 1013 /* Unwrap CloseScreen. */ 1014 pScreen->CloseScreen = fPtr->CloseScreen; 1015 TRACE_EXIT("WsfbCloseScreen"); 1016 return (*pScreen->CloseScreen)(scrnIndex, pScreen); 1017} 1018 1019static void * 1020WsfbWindowLinear(ScreenPtr pScreen, CARD32 row, CARD32 offset, int mode, 1021 CARD32 *size, void *closure) 1022{ 1023 ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; 1024 WsfbPtr fPtr = WSFBPTR(pScrn); 1025 1026 if (fPtr->linebytes) 1027 *size = fPtr->linebytes; 1028 else { 1029 if (ioctl(fPtr->fd, WSDISPLAYIO_LINEBYTES, size) == -1) 1030 return NULL; 1031 fPtr->linebytes = *size; 1032 } 1033 return ((CARD8 *)fPtr->fbmem + row *fPtr->linebytes + offset); 1034} 1035 1036static void 1037WsfbPointerMoved(int index, int x, int y) 1038{ 1039 ScrnInfoPtr pScrn = xf86Screens[index]; 1040 WsfbPtr fPtr = WSFBPTR(pScrn); 1041 int newX, newY; 1042 1043 switch (fPtr->rotate) 1044 { 1045 case WSFB_ROTATE_CW: 1046 /* 90 degrees CW rotation. */ 1047 newX = pScrn->pScreen->height - y - 1; 1048 newY = x; 1049 break; 1050 1051 case WSFB_ROTATE_CCW: 1052 /* 90 degrees CCW rotation. */ 1053 newX = y; 1054 newY = pScrn->pScreen->width - x - 1; 1055 break; 1056 1057 case WSFB_ROTATE_UD: 1058 /* 180 degrees UD rotation. */ 1059 newX = pScrn->pScreen->width - x - 1; 1060 newY = pScrn->pScreen->height - y - 1; 1061 break; 1062 1063 default: 1064 /* No rotation. */ 1065 newX = x; 1066 newY = y; 1067 break; 1068 } 1069 1070 /* Pass adjusted pointer coordinates to wrapped PointerMoved function. */ 1071 (*fPtr->PointerMoved)(index, newX, newY); 1072} 1073 1074static Bool 1075WsfbEnterVT(int scrnIndex, int flags) 1076{ 1077 ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; 1078 1079 TRACE_ENTER("EnterVT"); 1080 pScrn->vtSema = TRUE; 1081 TRACE_EXIT("EnterVT"); 1082 return TRUE; 1083} 1084 1085static void 1086WsfbLeaveVT(int scrnIndex, int flags) 1087{ 1088#if DEBUG 1089 ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; 1090#endif 1091 1092 TRACE_ENTER("LeaveVT"); 1093} 1094 1095static Bool 1096WsfbSwitchMode(int scrnIndex, DisplayModePtr mode, int flags) 1097{ 1098#if DEBUG 1099 ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; 1100#endif 1101 1102 TRACE_ENTER("SwitchMode"); 1103 /* Nothing else to do. */ 1104 return TRUE; 1105} 1106 1107static int 1108WsfbValidMode(int scrnIndex, DisplayModePtr mode, Bool verbose, int flags) 1109{ 1110#if DEBUG 1111 ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; 1112#endif 1113 1114 TRACE_ENTER("ValidMode"); 1115 return MODE_OK; 1116} 1117 1118static void 1119WsfbLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices, 1120 LOCO *colors, VisualPtr pVisual) 1121{ 1122 WsfbPtr fPtr = WSFBPTR(pScrn); 1123 struct wsdisplay_cmap cmap; 1124 unsigned char red[256],green[256],blue[256]; 1125 int i, indexMin=256, indexMax=0; 1126 1127 TRACE_ENTER("LoadPalette"); 1128 1129 cmap.count = 1; 1130 cmap.red = red; 1131 cmap.green = green; 1132 cmap.blue = blue; 1133 1134 if (numColors == 1) { 1135 /* Optimisation */ 1136 cmap.index = indices[0]; 1137 red[0] = colors[indices[0]].red; 1138 green[0] = colors[indices[0]].green; 1139 blue[0] = colors[indices[0]].blue; 1140 if (ioctl(fPtr->fd,WSDISPLAYIO_PUTCMAP, &cmap) == -1) 1141 ErrorF("ioctl FBIOPUTCMAP: %s\n", strerror(errno)); 1142 } else { 1143 /* 1144 * Change all colors in 2 ioctls 1145 * and limit the data to be transfered. 1146 */ 1147 for (i = 0; i < numColors; i++) { 1148 if (indices[i] < indexMin) 1149 indexMin = indices[i]; 1150 if (indices[i] > indexMax) 1151 indexMax = indices[i]; 1152 } 1153 cmap.index = indexMin; 1154 cmap.count = indexMax - indexMin + 1; 1155 cmap.red = &red[indexMin]; 1156 cmap.green = &green[indexMin]; 1157 cmap.blue = &blue[indexMin]; 1158 /* Get current map. */ 1159 if (ioctl(fPtr->fd, WSDISPLAYIO_GETCMAP, &cmap) == -1) 1160 ErrorF("ioctl FBIOGETCMAP: %s\n", strerror(errno)); 1161 /* Change the colors that require updating. */ 1162 for (i = 0; i < numColors; i++) { 1163 red[indices[i]] = colors[indices[i]].red; 1164 green[indices[i]] = colors[indices[i]].green; 1165 blue[indices[i]] = colors[indices[i]].blue; 1166 } 1167 /* Write the colormap back. */ 1168 if (ioctl(fPtr->fd,WSDISPLAYIO_PUTCMAP, &cmap) == -1) 1169 ErrorF("ioctl FBIOPUTCMAP: %s\n", strerror(errno)); 1170 } 1171 TRACE_EXIT("LoadPalette"); 1172} 1173 1174static Bool 1175WsfbSaveScreen(ScreenPtr pScreen, int mode) 1176{ 1177 ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; 1178 WsfbPtr fPtr = WSFBPTR(pScrn); 1179 int state; 1180 1181 TRACE_ENTER("SaveScreen"); 1182 1183 if (!pScrn->vtSema) 1184 return TRUE; 1185 1186 if (mode != SCREEN_SAVER_FORCER) { 1187 state = xf86IsUnblank(mode)?WSDISPLAYIO_VIDEO_ON: 1188 WSDISPLAYIO_VIDEO_OFF; 1189 ioctl(fPtr->fd, 1190 WSDISPLAYIO_SVIDEO, &state); 1191 } 1192 TRACE_EXIT("SaveScreen"); 1193 return TRUE; 1194} 1195 1196 1197static void 1198WsfbSave(ScrnInfoPtr pScrn) 1199{ 1200 WsfbPtr fPtr = WSFBPTR(pScrn); 1201 1202 TRACE_ENTER("WsfbSave"); 1203 1204 if (fPtr->info.cmsize == 0) 1205 return; 1206 1207 fPtr->saved_cmap.index = 0; 1208 fPtr->saved_cmap.count = fPtr->info.cmsize; 1209 if (ioctl(fPtr->fd, WSDISPLAYIO_GETCMAP, 1210 &(fPtr->saved_cmap)) == -1) { 1211 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 1212 "error saving colormap %s\n", strerror(errno)); 1213 } 1214 TRACE_EXIT("WsfbSave"); 1215 1216} 1217 1218static void 1219WsfbRestore(ScrnInfoPtr pScrn) 1220{ 1221 WsfbPtr fPtr = WSFBPTR(pScrn); 1222 int mode; 1223 1224 TRACE_ENTER("WsfbRestore"); 1225 1226 if (fPtr->info.cmsize != 0) { 1227 /* reset colormap for text mode */ 1228 if (ioctl(fPtr->fd, WSDISPLAYIO_PUTCMAP, 1229 &(fPtr->saved_cmap)) == -1) { 1230 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 1231 "error restoring colormap %s\n", 1232 strerror(errno)); 1233 } 1234 } 1235 1236 /* Clear the screen. */ 1237 memset(fPtr->fbmem, 0, fPtr->fbmem_len); 1238 1239 /* Restore the text mode. */ 1240 mode = WSDISPLAYIO_MODE_EMUL; 1241 if (ioctl(fPtr->fd, WSDISPLAYIO_SMODE, &mode) == -1) { 1242 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 1243 "error setting text mode %s\n", strerror(errno)); 1244 } 1245 TRACE_EXIT("WsfbRestore"); 1246} 1247 1248#ifdef XFreeXDGA 1249/*********************************************************************** 1250 * DGA stuff 1251 ***********************************************************************/ 1252 1253static Bool 1254WsfbDGAOpenFramebuffer(ScrnInfoPtr pScrn, char **DeviceName, 1255 unsigned char **ApertureBase, int *ApertureSize, 1256 int *ApertureOffset, int *flags) 1257{ 1258 *DeviceName = NULL; /* No special device */ 1259 *ApertureBase = (unsigned char *)(pScrn->memPhysBase); 1260 *ApertureSize = pScrn->videoRam; 1261 *ApertureOffset = pScrn->fbOffset; 1262 *flags = 0; 1263 1264 return TRUE; 1265} 1266 1267static Bool 1268WsfbDGASetMode(ScrnInfoPtr pScrn, DGAModePtr pDGAMode) 1269{ 1270 DisplayModePtr pMode; 1271 int scrnIdx = pScrn->pScreen->myNum; 1272 int frameX0, frameY0; 1273 1274 if (pDGAMode) { 1275 pMode = pDGAMode->mode; 1276 frameX0 = frameY0 = 0; 1277 } else { 1278 if (!(pMode = pScrn->currentMode)) 1279 return TRUE; 1280 1281 frameX0 = pScrn->frameX0; 1282 frameY0 = pScrn->frameY0; 1283 } 1284 1285 if (!(*pScrn->SwitchMode)(scrnIdx, pMode, 0)) 1286 return FALSE; 1287 (*pScrn->AdjustFrame)(scrnIdx, frameX0, frameY0, 0); 1288 1289 return TRUE; 1290} 1291 1292static void 1293WsfbDGASetViewport(ScrnInfoPtr pScrn, int x, int y, int flags) 1294{ 1295 (*pScrn->AdjustFrame)(pScrn->pScreen->myNum, x, y, flags); 1296} 1297 1298static int 1299WsfbDGAGetViewport(ScrnInfoPtr pScrn) 1300{ 1301 return (0); 1302} 1303 1304static DGAFunctionRec WsfbDGAFunctions = 1305{ 1306 WsfbDGAOpenFramebuffer, 1307 NULL, /* CloseFramebuffer */ 1308 WsfbDGASetMode, 1309 WsfbDGASetViewport, 1310 WsfbDGAGetViewport, 1311 NULL, /* Sync */ 1312 NULL, /* FillRect */ 1313 NULL, /* BlitRect */ 1314 NULL, /* BlitTransRect */ 1315}; 1316 1317static void 1318WsfbDGAAddModes(ScrnInfoPtr pScrn) 1319{ 1320 WsfbPtr fPtr = WSFBPTR(pScrn); 1321 DisplayModePtr pMode = pScrn->modes; 1322 DGAModePtr pDGAMode; 1323 1324 do { 1325 pDGAMode = xrealloc(fPtr->pDGAMode, 1326 (fPtr->nDGAMode + 1) * sizeof(DGAModeRec)); 1327 if (!pDGAMode) 1328 break; 1329 1330 fPtr->pDGAMode = pDGAMode; 1331 pDGAMode += fPtr->nDGAMode; 1332 (void)memset(pDGAMode, 0, sizeof(DGAModeRec)); 1333 1334 ++fPtr->nDGAMode; 1335 pDGAMode->mode = pMode; 1336 pDGAMode->flags = DGA_CONCURRENT_ACCESS | DGA_PIXMAP_AVAILABLE; 1337 pDGAMode->byteOrder = pScrn->imageByteOrder; 1338 pDGAMode->depth = pScrn->depth; 1339 pDGAMode->bitsPerPixel = pScrn->bitsPerPixel; 1340 pDGAMode->red_mask = pScrn->mask.red; 1341 pDGAMode->green_mask = pScrn->mask.green; 1342 pDGAMode->blue_mask = pScrn->mask.blue; 1343 pDGAMode->visualClass = pScrn->bitsPerPixel > 8 ? 1344 TrueColor : PseudoColor; 1345 pDGAMode->xViewportStep = 1; 1346 pDGAMode->yViewportStep = 1; 1347 pDGAMode->viewportWidth = pMode->HDisplay; 1348 pDGAMode->viewportHeight = pMode->VDisplay; 1349 1350 if (fPtr->linebytes) 1351 pDGAMode->bytesPerScanline = fPtr->linebytes; 1352 else { 1353 ioctl(fPtr->fd, WSDISPLAYIO_LINEBYTES, 1354 &fPtr->linebytes); 1355 pDGAMode->bytesPerScanline = fPtr->linebytes; 1356 } 1357 1358 pDGAMode->imageWidth = pMode->HDisplay; 1359 pDGAMode->imageHeight = pMode->VDisplay; 1360 pDGAMode->pixmapWidth = pDGAMode->imageWidth; 1361 pDGAMode->pixmapHeight = pDGAMode->imageHeight; 1362 pDGAMode->maxViewportX = pScrn->virtualX - 1363 pDGAMode->viewportWidth; 1364 pDGAMode->maxViewportY = pScrn->virtualY - 1365 pDGAMode->viewportHeight; 1366 1367 pDGAMode->address = fPtr->fbstart; 1368 1369 pMode = pMode->next; 1370 } while (pMode != pScrn->modes); 1371} 1372 1373static Bool 1374WsfbDGAInit(ScrnInfoPtr pScrn, ScreenPtr pScreen) 1375{ 1376 WsfbPtr fPtr = WSFBPTR(pScrn); 1377 1378 if (pScrn->depth < 8) 1379 return FALSE; 1380 1381 if (!fPtr->nDGAMode) 1382 WsfbDGAAddModes(pScrn); 1383 1384 return (DGAInit(pScreen, &WsfbDGAFunctions, 1385 fPtr->pDGAMode, fPtr->nDGAMode)); 1386} 1387#endif 1388 1389static Bool 1390WsfbDriverFunc(ScrnInfoPtr pScrn, xorgDriverFuncOp op, 1391 pointer ptr) 1392{ 1393 xorgHWFlags *flag; 1394 1395 switch (op) { 1396 case GET_REQUIRED_HW_INTERFACES: 1397 flag = (CARD32*)ptr; 1398 (*flag) = 0; 1399 return TRUE; 1400 default: 1401 return FALSE; 1402 } 1403} 1404 1405