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/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/sis/sis_vb.c,v 1.1 2000/08/01 20:52:26 dawes Exp $ */
#include "xf86.h"
#include "xf86_ansic.h"
#include "compiler.h"
#include "xf86PciInfo.h"
#include "sis.h"
#include "sis_regs.h"
#include "sis_vb.h"
void SISLCDPreInit(ScrnInfoPtr pScrn)
{
SISPtr pSiS = SISPTR(pScrn);
int temp;
inSISIDXREG(pSiS->RelIO+SROFFSET, 0x38, temp);
if (!(temp & 0x20))
return;
inSISIDXREG(pSiS->RelIO+CROFFSET, 0x32, temp);
if (temp & 0x08)
pSiS->VBFlags |= CRT2_LCD;
inSISIDXREG(pSiS->RelIO+CROFFSET, 0x36, temp);
if (temp == 1)
pSiS->VBFlags = CRT2_LCD | LCD_800x600;
if (temp == 2)
pSiS->VBFlags = CRT2_LCD | LCD_1024x768;
if (temp == 3)
pSiS->VBFlags = CRT2_LCD | LCD_1280x1024;
}
void SISTVPreInit(ScrnInfoPtr pScrn)
{
SISPtr pSiS = SISPTR(pScrn);
int temp;
inSISIDXREG(pSiS->RelIO+SROFFSET, 0x38, temp);
if (!(temp & 0x20))
return;
inSISIDXREG(pSiS->RelIO+CROFFSET, 0x32, temp);
if (temp & 0x07)
pSiS->VBFlags |= CRT2_TV;
inSISIDXREG(pSiS->RelIO+CROFFSET, 0x30, temp);
if (temp & 0x10)
pSiS->VBFlags = CRT2_TV | TV_SCART;
else if (temp & 0x08)
pSiS->VBFlags = CRT2_TV | TV_SVIDEO;
else if (temp & 0x04)
pSiS->VBFlags = CRT2_TV | TV_AVIDEO;
else
return;
inSISIDXREG(pSiS->RelIO+CROFFSET, 0x31, temp);
if (temp & 0x01)
pSiS->VBFlags |= TV_PAL;
else
pSiS->VBFlags |= TV_NTSC;
}
void SISCRT2PreInit(ScrnInfoPtr pScrn)
{
SISPtr pSiS = SISPTR(pScrn);
int temp;
inSISIDXREG(pSiS->RelIO+SROFFSET, 0x38, temp);
if (!(temp & 0x20))
return;
inSISIDXREG(pSiS->RelIO+CROFFSET, 0x32, temp);
if (temp & 0x10)
pSiS->VBFlags |= CRT2_VGA;
return;
}
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