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/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/cirrus/alp_dga.c,v 1.1 1999/12/26 18:24:15 robin Exp $ */
/* (c) Itai Nahshon */
#include "xf86.h"
#include "xf86_OSproc.h"
#include "xf86_ansic.h"
#include "compiler.h"
#include "xf86Pci.h"
#include "xf86PciInfo.h"
#include "vgaHW.h"
#include "cir.h"
#include "alp.h"
static Bool
AlpDGAGetParams(int scrnIndex, unsigned long *offset, int *banksize,
int *memsize)
{
ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
CIRPtr pCir = &ALPPTR(pScrn)->CirRec;
*offset = pCir->FbAddress;
*banksize = pScrn->videoRam * 1024;
*memsize = pScrn->videoRam * 1024;
#ifdef ALP_DEBUG
ErrorF("AlpDGAGetParams %d = 0x%08x, %d, %d\n",
scrnIndex, *banksize, *memsize);
#endif
return TRUE;
}
static Bool
AlpDGASetDirect(int scrnIndex, Bool enable)
{
return TRUE;
}
static Bool
AlpDGASetBank(int scrnIndex, int bank, int flags)
{
return TRUE;
}
static Bool
AlpDGASetViewport(int scrnIndex, int x, int y, int flags)
{
ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
(*pScrn->AdjustFrame)(scrnIndex, x, y, 0);
return TRUE;
}
static Bool
AlpDGAViewportChanged(int scrnIndex, int n, int flags)
{
return TRUE;
}
Bool
AlpDGAInit(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
CIRPtr pCir = &ALPPTR(pScrn)->CirRec;
DGAInfoPtr pDGAInfo;
pDGAInfo = DGACreateInfoRec();
if(pDGAInfo == NULL)
return FALSE;
pCir->DGAInfo = pDGAInfo;
pDGAInfo->GetParams = AlpDGAGetParams;
pDGAInfo->SetDirectMode = AlpDGASetDirect;
pDGAInfo->SetBank = AlpDGASetBank;
pDGAInfo->SetViewport = AlpDGASetViewport;
pDGAInfo->ViewportChanged = AlpDGAViewportChanged;;
return DGAInit(pScreen, pDGAInfo, 0);
}
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