Bool
PSBDGAInit(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
PsbPtr pPsb = psbPTR(pScrn);
PsbDevicePtr pDevice = pPsb->pDevice;
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
int screen_buf = pDevice->fbSize;
xf86_config->dga_address = (unsigned long)pDevice->fbMap;
xf86_config->dga_stride =
pScrn->displayWidth * (pScrn->bitsPerPixel >> 3);
/*
maxx = pScrn->virtualX;
maxy = pScrn->virtualY;
if( (pDevice->fbSize / (maxx * (pScrn->bitsPerPixel >> 3)) ) > maxy)
maxy = pDevice->fbSize / (maxx * (pScrn->bitsPerPixel >> 3));
//xf86_config->dga_stride = maxx * (pScrn->bitsPerPixel >> 3);
*/
PSB_Calc_Maxxy( screen_buf/(pScrn->bitsPerPixel >> 3), &maxx, &maxy );
xf86_config->dga_width = maxx;
xf86_config->dga_height = maxy;
if (!xf86_dga_get_modes(pScreen))
return FALSE;
return DGAInit(pScreen, &PSBDGAFuncs, pPsb->DGAModes, pPsb->numDGAModes);
}
Bool
SISDGAInit(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
SISPtr pSiS = SISPTR(pScrn);
int num = 0;
pSiS->DGAModes = SISDGAMakeModes(pScrn, &num, FALSE);
pSiS->numDGAModes = num;
if(num) {
if((pSiS->VGAEngine == SIS_300_VGA) ||
(pSiS->VGAEngine == SIS_315_VGA) ||
(pSiS->VGAEngine == SIS_530_VGA)) {
return DGAInit(pScreen, &SISDGAFuncs3xx, pSiS->DGAModes, num);
} else {
return DGAInit(pScreen, &SISDGAFuncs, pSiS->DGAModes, num);
}
} else {
xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
"No DGA-suitable modes found, disabling DGA\n");
return TRUE;
}
}
Bool
xf86DiDGAInit (ScreenPtr pScreen, unsigned long dga_address)
{
ScrnInfoPtr scrn = xf86Screens[pScreen->myNum];
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
xf86_config->dga_flags = 0;
xf86_config->dga_address = dga_address;
xf86_config->dga_width = scrn->virtualX;
xf86_config->dga_height = scrn->virtualY;
xf86_config->dga_stride = scrn->displayWidth * scrn->bitsPerPixel >> 3;
if (!xf86_dga_get_modes (pScreen))
return FALSE;
return DGAInit(pScreen, &xf86_dga_funcs, xf86_config->dga_modes, xf86_config->dga_nmode);
}
Bool
_xf86_di_dga_init_internal (ScreenPtr pScreen)
{
ScrnInfoPtr scrn = xf86Screens[pScreen->myNum];
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
xf86_config->dga_flags = 0;
xf86_config->dga_address = 0;
xf86_config->dga_width = 0;
xf86_config->dga_height = 0;
xf86_config->dga_stride = 0;
if (!xf86_dga_get_modes (pScreen))
return FALSE;
return DGAInit(pScreen, &xf86_dga_funcs, xf86_config->dga_modes, xf86_config->dga_nmode);
}
void FFB_InitDGA(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
FFBPtr pFfb;
DGAModePtr mode;
Bool result;
pFfb = GET_FFB_FROM_SCRN(pScrn);
mode = xnfcalloc(sizeof(DGAModeRec), 1);
if (!mode) {
xf86Msg(X_WARNING, "%s: DGA init failed, cannot alloc DGAMode.\n",
pFfb->psdp->device);
return;
}
mode->num = 0;
mode->mode = pScrn->modes;
/* Hmmm, what does concurrent access really mean? -DaveM */
mode->flags = (DGA_CONCURRENT_ACCESS | DGA_PIXMAP_AVAILABLE | DGA_FILL_RECT);
#ifdef USE_VIS
mode->flags |= DGA_BLIT_RECT;
#endif
mode->imageWidth = 2048;
mode->imageHeight = 2048;
mode->pixmapWidth = 2048;
mode->pixmapHeight = 2048;
/* XXX I would imagine that this value states how many bytes
* XXX you add to advance exactly one full horizontal line in
* XXX the framebuffer addressing, but the way we set the pScrn
* XXX mode values do not match that definition.
* XXX
* XXX Ask Jakub what is going on here. -DaveM
*/
#if 1
mode->bytesPerScanline = pScrn->modes->HDisplay * 4;
#else
mode->bytesPerScanline = (2048 * 4);
#endif
mode->byteOrder = pScrn->imageByteOrder;
mode->depth = 32;
mode->bitsPerPixel = 32;
mode->red_mask = 0xff;
mode->green_mask = 0xff00;
mode->blue_mask = 0xff0000;
mode->visualClass = TrueColor;
mode->viewportWidth = pScrn->modes->HDisplay;
mode->viewportHeight = pScrn->modes->VDisplay;
/* Do these values even matter if we do not support
* viewports? -DaveM
*/
mode->xViewportStep = 0;
mode->yViewportStep = 0;
mode->maxViewportX = 0;
mode->maxViewportY = 0;
mode->viewportFlags = 0;
mode->offset = 0;
result = DGAInit(pScreen, &FFB_DGAFuncs, mode, 1);
if (result == FALSE) {
xf86Msg(X_WARNING,
"%s: DGA init failed, DGAInit returns FALSE.\n",
pFfb->psdp->device);
} else {
xf86Msg(X_INFO, "%s: DGA support initialized.\n",
pFfb->psdp->device);
}
}
Bool
I810DGAInit(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
I810Ptr pI810 = I810PTR(pScrn);
DGAModePtr modes = NULL, newmodes = NULL, currentMode;
DisplayModePtr pMode, firstMode;
int Bpp = pScrn->bitsPerPixel >> 3;
int num = 0;
MARKER();
pMode = firstMode = pScrn->modes;
while (pMode) {
newmodes = xrealloc(modes, (num + 1) * sizeof(DGAModeRec));
if (!newmodes) {
xfree(modes);
return FALSE;
}
modes = newmodes;
currentMode = modes + num;
num++;
currentMode->mode = pMode;
currentMode->flags = DGA_CONCURRENT_ACCESS | DGA_PIXMAP_AVAILABLE;
if (!pI810->noAccel)
currentMode->flags |= DGA_FILL_RECT | DGA_BLIT_RECT;
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 = (Bpp == 3) ? 2 : 1;
currentMode->yViewportStep = 1;
currentMode->viewportFlags = DGA_FLIP_RETRACE;
currentMode->offset = 0;
currentMode->address = pI810->FbBase;
currentMode->bytesPerScanline = ((pScrn->displayWidth * Bpp) + 3) & ~3L;
currentMode->imageWidth = pI810->FbMemBox.x2;
currentMode->imageHeight = pI810->FbMemBox.y2;
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;
}
pI810->numDGAModes = num;
pI810->DGAModes = modes;
return DGAInit(pScreen, &I810DGAFuncs, modes, num);
}
/*
* ATIDGAInit --
*
* This function initialises the driver's support for the DGA extension.
*/
Bool
ATIDGAInit
(
ScreenPtr pScreen,
ScrnInfoPtr pScreenInfo,
ATIPtr pATI
)
{
#ifdef USE_XAA
XAAInfoRecPtr pXAAInfo;
#endif
int flags;
if (!pATI->nDGAMode)
{
/* Set up DGA callbacks */
pATI->ATIDGAFunctions.OpenFramebuffer = ATIDGAOpenFramebuffer;
pATI->ATIDGAFunctions.SetMode = ATIDGASetMode;
pATI->ATIDGAFunctions.SetViewport = ATIDGASetViewport;
pATI->ATIDGAFunctions.GetViewport = ATIDGAGetViewport;
flags = 0;
#ifdef USE_XAA
if ((pXAAInfo = pATI->pXAAInfo))
{
pATI->ATIDGAFunctions.Sync = pXAAInfo->Sync;
if (pXAAInfo->SetupForSolidFill &&
pXAAInfo->SubsequentSolidFillRect)
{
flags |= DGA_FILL_RECT;
pATI->ATIDGAFunctions.FillRect = ATIDGAFillRect;
}
if (pXAAInfo->SetupForScreenToScreenCopy &&
pXAAInfo->SubsequentScreenToScreenCopy)
{
flags |= DGA_BLIT_RECT | DGA_BLIT_RECT_TRANS;
pATI->ATIDGAFunctions.BlitRect = ATIDGABlitRect;
pATI->ATIDGAFunctions.BlitTransRect = ATIDGABlitTransRect;
}
}
#endif
if (!flags)
flags = DGA_CONCURRENT_ACCESS;
ATIDGAAddModes(pScreenInfo, pATI, flags,
8, 8, 0, 0, 0, PseudoColor);
if ((pATI->Chip >= ATI_CHIP_264CT))
{
ATIDGAAddModes(pScreenInfo, pATI, flags,
15, 16, 0x7C00U, 0x03E0U, 0x001FU, TrueColor);
ATIDGAAddModes(pScreenInfo, pATI, flags,
16, 16, 0xF800U, 0x07E0U, 0x001FU, TrueColor);
ATIDGAAddModes(pScreenInfo, pATI, flags,
24, 24, 0x00FF0000U, 0x0000FF00U, 0x000000FFU, TrueColor);
ATIDGAAddModes(pScreenInfo, pATI, flags,
24, 32, 0x00FF0000U, 0x0000FF00U, 0x000000FFU, TrueColor);
if (pATI->DAC != ATI_DAC_INTERNAL) /* Not first revision */
{
ATIDGAAddModes(pScreenInfo, pATI, flags,
15, 16, 0x7C00U, 0x03E0U, 0x001FU, DirectColor);
ATIDGAAddModes(pScreenInfo, pATI, flags,
16, 16, 0xF800U, 0x07E0U, 0x001FU, DirectColor);
ATIDGAAddModes(pScreenInfo, pATI, flags,
24, 24, 0x00FF0000U, 0x0000FF00U, 0x000000FFU, DirectColor);
ATIDGAAddModes(pScreenInfo, pATI, flags,
24, 32, 0x00FF0000U, 0x0000FF00U, 0x000000FFU, DirectColor);
}
}
}
return DGAInit(pScreen, &pATI->ATIDGAFunctions, pATI->pDGAMode,
pATI->nDGAMode);
}