/* * Copyright 1997-2003 by Alan Hourihane, North Wales, UK. * * Permission to use, copy, modify, distribute, and sell this software and its * documentation for any purpose is hereby granted without fee, provided that * the above copyright notice appear in all copies and that both that * copyright notice and this permission notice appear in supporting * documentation, and that the name of Alan Hourihane not be used in * advertising or publicity pertaining to distribution of the software without * specific, written prior permission. Alan Hourihane makes no representations * about the suitability of this software for any purpose. It is provided * "as is" without express or implied warranty. * * ALAN HOURIHANE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO * EVENT SHALL ALAN HOURIHANE BE LIABLE FOR ANY SPECIAL, INDIRECT OR * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. * * Authors: Alan Hourihane, */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "xf86.h" #include "xf86_OSproc.h" #include "xf86Pci.h" #include "trident.h" #include "trident_regs.h" #include "dgaproc.h" static Bool TRIDENT_OpenFramebuffer(ScrnInfoPtr, char **, unsigned char **, int *, int *, int *); static Bool TRIDENT_SetMode(ScrnInfoPtr, DGAModePtr); static int TRIDENT_GetViewport(ScrnInfoPtr); static void TRIDENT_SetViewport(ScrnInfoPtr, int, int, int); #ifdef HAVE_XAA_H static void TRIDENT_Sync(ScrnInfoPtr); static void TRIDENT_FillRect(ScrnInfoPtr, int, int, int, int, unsigned long); static void TRIDENT_BlitRect(ScrnInfoPtr, int, int, int, int, int, int); #if 0 static void TRIDENT_BlitTransRect(ScrnInfoPtr, int, int, int, int, int, int, unsigned long); #endif #endif static DGAFunctionRec TRIDENTDGAFuncs = { TRIDENT_OpenFramebuffer, NULL, TRIDENT_SetMode, TRIDENT_SetViewport, TRIDENT_GetViewport, #ifdef HAVE_XAA_H TRIDENT_Sync, TRIDENT_FillRect, TRIDENT_BlitRect, #if 0 TRIDENT_BlitTransRect #else NULL #endif #else NULL, NULL, NULL #endif }; Bool TRIDENTDGAInit(ScreenPtr pScreen) { ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); TRIDENTPtr pTrident = TRIDENTPTR(pScrn); DGAModePtr modes = NULL, newmodes = NULL, currentMode; DisplayModePtr pMode, firstMode; int Bpp = pScrn->bitsPerPixel >> 3; int num = 0; Bool oneMore; pMode = firstMode = pScrn->modes; while(pMode) { if(0 /*pScrn->displayWidth != pMode->HDisplay*/) { newmodes = realloc(modes, (num + 2) * sizeof(DGAModeRec)); oneMore = TRUE; } else { newmodes = realloc(modes, (num + 1) * sizeof(DGAModeRec)); oneMore = FALSE; } if(!newmodes) { free(modes); return FALSE; } modes = newmodes; SECOND_PASS: currentMode = modes + num; num++; currentMode->mode = pMode; currentMode->flags = DGA_CONCURRENT_ACCESS | DGA_PIXMAP_AVAILABLE; #ifdef HAVE_XAA_H if(!pTrident->NoAccel) currentMode->flags |= DGA_FILL_RECT | DGA_BLIT_RECT; #endif if(pMode->Flags & V_DBLSCAN) currentMode->flags |= DGA_DOUBLESCAN; if(pMode->Flags & V_INTERLACE) currentMode->flags |= DGA_INTERLACED; currentMode->byteOrder = pScrn->imageByteOrder; currentMode->depth = pScrn->depth; currentMode->bitsPerPixel = pScrn->bitsPerPixel; currentMode->red_mask = pScrn->mask.red; currentMode->green_mask = pScrn->mask.green; currentMode->blue_mask = pScrn->mask.blue; currentMode->visualClass = (Bpp == 1) ? PseudoColor : TrueColor; currentMode->viewportWidth = pMode->HDisplay; currentMode->viewportHeight = pMode->VDisplay; currentMode->xViewportStep = 1; currentMode->yViewportStep = 1; currentMode->viewportFlags = DGA_FLIP_RETRACE; currentMode->offset = 0; currentMode->address = pTrident->FbBase; if(oneMore) { /* first one is narrow width */ currentMode->bytesPerScanline = ((pMode->HDisplay * Bpp) + 3) & ~3L; currentMode->imageWidth = pMode->HDisplay; currentMode->imageHeight = pMode->VDisplay; currentMode->pixmapWidth = currentMode->imageWidth; currentMode->pixmapHeight = currentMode->imageHeight; currentMode->maxViewportX = currentMode->imageWidth - currentMode->viewportWidth; /* this might need to get clamped to some maximum */ currentMode->maxViewportY = currentMode->imageHeight - currentMode->viewportHeight; oneMore = FALSE; goto SECOND_PASS; } else { currentMode->bytesPerScanline = ((pScrn->displayWidth * Bpp) + 3) & ~3L; currentMode->imageWidth = pScrn->displayWidth; currentMode->imageHeight = pMode->VDisplay; currentMode->pixmapWidth = currentMode->imageWidth; currentMode->pixmapHeight = currentMode->imageHeight; currentMode->maxViewportX = currentMode->imageWidth - currentMode->viewportWidth; /* this might need to get clamped to some maximum */ currentMode->maxViewportY = currentMode->imageHeight - currentMode->viewportHeight; } pMode = pMode->next; if(pMode == firstMode) break; } pTrident->numDGAModes = num; pTrident->DGAModes = modes; return DGAInit(pScreen, &TRIDENTDGAFuncs, modes, num); } static Bool TRIDENT_SetMode( ScrnInfoPtr pScrn, DGAModePtr pMode ){ static int OldDisplayWidth[MAXSCREENS]; int index = pScrn->pScreen->myNum; TRIDENTPtr pTrident = TRIDENTPTR(pScrn); if(!pMode) { /* restore the original mode */ /* put the ScreenParameters back */ pScrn->displayWidth = OldDisplayWidth[index]; TRIDENTSwitchMode(SWITCH_MODE_ARGS(pScrn, pScrn->currentMode)); pTrident->DGAactive = FALSE; } else { if(!pTrident->DGAactive) { /* save the old parameters */ OldDisplayWidth[index] = pScrn->displayWidth; pTrident->DGAactive = TRUE; } pScrn->displayWidth = pMode->bytesPerScanline / (pMode->bitsPerPixel >> 3); TRIDENTSwitchMode(SWITCH_MODE_ARGS(pScrn, pMode->mode)); } return TRUE; } static int TRIDENT_GetViewport( ScrnInfoPtr pScrn ){ TRIDENTPtr pTrident = TRIDENTPTR(pScrn); return pTrident->DGAViewportStatus; } static void TRIDENT_SetViewport( ScrnInfoPtr pScrn, int x, int y, int flags ){ TRIDENTPtr pTrident = TRIDENTPTR(pScrn); TRIDENTAdjustFrame(ADJUST_FRAME_ARGS(pScrn, x, y)); pTrident->DGAViewportStatus = 0; /* TRIDENTAdjustFrame loops until finished */ } #ifdef HAVE_XAA_H static void TRIDENT_FillRect ( ScrnInfoPtr pScrn, int x, int y, int w, int h, unsigned long color ){ TRIDENTPtr pTrident = TRIDENTPTR(pScrn); if(pTrident->AccelInfoRec) { (*pTrident->AccelInfoRec->SetupForSolidFill)(pScrn, color, GXcopy, ~0); (*pTrident->AccelInfoRec->SubsequentSolidFillRect)(pScrn, x, y, w, h); SET_SYNC_FLAG(pTrident->AccelInfoRec); } } static void TRIDENT_Sync( ScrnInfoPtr pScrn ){ TRIDENTPtr pTrident = TRIDENTPTR(pScrn); if(pTrident->AccelInfoRec) { (*pTrident->AccelInfoRec->Sync)(pScrn); } } static void TRIDENT_BlitRect( ScrnInfoPtr pScrn, int srcx, int srcy, int w, int h, int dstx, int dsty ){ TRIDENTPtr pTrident = TRIDENTPTR(pScrn); if(pTrident->AccelInfoRec) { int xdir = ((srcx < dstx) && (srcy == dsty)) ? -1 : 1; int ydir = (srcy < dsty) ? -1 : 1; (*pTrident->AccelInfoRec->SetupForScreenToScreenCopy)( pScrn, xdir, ydir, GXcopy, ~0, -1); (*pTrident->AccelInfoRec->SubsequentScreenToScreenCopy)( pScrn, srcx, srcy, dstx, dsty, w, h); SET_SYNC_FLAG(pTrident->AccelInfoRec); } } #if 0 static void TRIDENT_BlitTransRect( ScrnInfoPtr pScrn, int srcx, int srcy, int w, int h, int dstx, int dsty, unsigned long color ){ /* this one should be separate since the XAA function would prohibit usage of ~0 as the key */ } #endif #endif static Bool TRIDENT_OpenFramebuffer( ScrnInfoPtr pScrn, char **name, unsigned char **mem, int *size, int *offset, int *flags ){ TRIDENTPtr pTrident = TRIDENTPTR(pScrn); *name = NULL; /* no special device */ *mem = (unsigned char*)pTrident->FbAddress; *size = pTrident->FbMapSize; *offset = 0; *flags = DGA_NEED_ROOT; return TRUE; }