unsigned short SiS_GetModeID_VGA2(int VGAEngine, unsigned int VBFlags, int HDisplay,
int VDisplay, int Depth, unsigned int VBFlags2);
-void SiS_SetReg(SISIOADDRESS port, unsigned short index, unsigned short data);
-void SiS_SetRegByte(SISIOADDRESS port, unsigned short data);
-void SiS_SetRegShort(SISIOADDRESS port, unsigned short data);
-void SiS_SetRegLong(SISIOADDRESS port, unsigned int data);
-unsigned char SiS_GetReg(SISIOADDRESS port, unsigned short index);
-unsigned char SiS_GetRegByte(SISIOADDRESS port);
-unsigned short SiS_GetRegShort(SISIOADDRESS port);
-unsigned int SiS_GetRegLong(SISIOADDRESS port);
-void SiS_SetRegANDOR(SISIOADDRESS Port, unsigned short Index, unsigned short DataAND,
- unsigned short DataOR);
-void SiS_SetRegAND(SISIOADDRESS Port,unsigned short Index, unsigned short DataAND);
-void SiS_SetRegOR(SISIOADDRESS Port,unsigned short Index, unsigned short DataOR);
-
void SiS_DisplayOn(struct SiS_Private *SiS_Pr);
void SiS_DisplayOff(struct SiS_Private *SiS_Pr);
void SiSRegInit(struct SiS_Private *SiS_Pr, SISIOADDRESS BaseAddr);