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Commit f4dccca5 authored by Aaro Koskinen's avatar Aaro Koskinen Committed by Greg Kroah-Hartman
Browse files

staging: xgifb: vb_ext: delete unused functions 



Delete unused functions.

Signed-off-by: default avatarAaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent eb51a917

drivers/staging/xgifb/vb_ext.c

+0 −437
Original line number Diff line number Diff line
@@ -34,28 +34,6 @@ static unsigned char XGINew_Is301B(struct vb_device_info *pVBInfo) 
		return 1;

}



unsigned char XGI_Is301C(struct vb_device_info *pVBInfo)

{

	if ((XGINew_GetReg1(pVBInfo->Part4Port, 0x01) & 0xF0) == 0xC0)

		return 1;



	if (XGINew_GetReg1(pVBInfo->Part4Port, 0x01) >= 0xD0) {

		if (XGINew_GetReg1(pVBInfo->Part4Port, 0x39) == 0xE0)

			return 1;

	}



	return 0;

}



unsigned char XGI_Is301LV(struct vb_device_info *pVBInfo)

{

	if (XGINew_GetReg1(pVBInfo->Part4Port, 0x01) >= 0xD0) {

		if (XGINew_GetReg1(pVBInfo->Part4Port, 0x39) == 0xFF)

			return 1;

	}

	return 0;

}



unsigned char XGINew_Sense(unsigned short tempbx, unsigned short tempcx, struct vb_device_info *pVBInfo)

{

	unsigned short temp, i, tempch;
@@ -80,190 +58,6 @@ unsigned char XGINew_Sense(unsigned short tempbx, unsigned short tempcx, struct 
		return 0;

}



void XGISetDPMS(struct xgi_hw_device_info *pXGIHWDE, unsigned long VESA_POWER_STATE)

{

	unsigned short ModeNo, ModeIdIndex;

	unsigned char temp;

	struct vb_device_info VBINF;

	struct vb_device_info *pVBInfo = &VBINF;

	pVBInfo->BaseAddr = (unsigned long) pXGIHWDE->pjIOAddress;

	pVBInfo->ROMAddr = pXGIHWDE->pjVirtualRomBase;



	pVBInfo->IF_DEF_LVDS = 0;

	pVBInfo->IF_DEF_CH7005 = 0;

	pVBInfo->IF_DEF_HiVision = 1;

	pVBInfo->IF_DEF_LCDA = 1;

	pVBInfo->IF_DEF_CH7017 = 0;

	pVBInfo->IF_DEF_YPbPr = 1;

	pVBInfo->IF_DEF_CRT2Monitor = 0;

	pVBInfo->IF_DEF_VideoCapture = 0;

	pVBInfo->IF_DEF_ScaleLCD = 0;

	pVBInfo->IF_DEF_OEMUtil = 0;

	pVBInfo->IF_DEF_PWD = 0;



	InitTo330Pointer(pXGIHWDE->jChipType, pVBInfo);

	ReadVBIOSTablData(pXGIHWDE->jChipType, pVBInfo);



	pVBInfo->P3c4 = pVBInfo->BaseAddr + 0x14;

	pVBInfo->P3d4 = pVBInfo->BaseAddr + 0x24;

	pVBInfo->P3c0 = pVBInfo->BaseAddr + 0x10;

	pVBInfo->P3ce = pVBInfo->BaseAddr + 0x1e;

	pVBInfo->P3c2 = pVBInfo->BaseAddr + 0x12;

	pVBInfo->P3ca = pVBInfo->BaseAddr + 0x1a;

	pVBInfo->P3c6 = pVBInfo->BaseAddr + 0x16;

	pVBInfo->P3c7 = pVBInfo->BaseAddr + 0x17;

	pVBInfo->P3c8 = pVBInfo->BaseAddr + 0x18;

	pVBInfo->P3c9 = pVBInfo->BaseAddr + 0x19;

	pVBInfo->P3da = pVBInfo->BaseAddr + 0x2A;

	pVBInfo->Part0Port = pVBInfo->BaseAddr + XGI_CRT2_PORT_00;

	pVBInfo->Part1Port = pVBInfo->BaseAddr + XGI_CRT2_PORT_04;

	pVBInfo->Part2Port = pVBInfo->BaseAddr + XGI_CRT2_PORT_10;

	pVBInfo->Part3Port = pVBInfo->BaseAddr + XGI_CRT2_PORT_12;

	pVBInfo->Part4Port = pVBInfo->BaseAddr + XGI_CRT2_PORT_14;

	pVBInfo->Part5Port = pVBInfo->BaseAddr + XGI_CRT2_PORT_14 + 2;



	if (pXGIHWDE->jChipType == XG27) {

		if ((XGINew_GetReg1(pVBInfo->P3d4, 0x38) & 0xE0) == 0xC0) {

			if (XGINew_GetReg1(pVBInfo->P3d4, 0x30) & 0x20)

				pVBInfo->IF_DEF_LVDS = 1;

		}

	}



	if (pVBInfo->IF_DEF_CH7007 == 0)

		XGINew_SetModeScratch(pXGIHWDE, pVBInfo);



	XGINew_SetReg1(pVBInfo->P3c4, 0x05, 0x86); /* 1.Openkey */

	XGI_UnLockCRT2(pXGIHWDE, pVBInfo);

	ModeNo = XGINew_GetReg1(pVBInfo->P3d4, 0x34);

	XGI_SearchModeID(ModeNo, &ModeIdIndex, pVBInfo);

	XGI_GetVGAType(pXGIHWDE, pVBInfo);



	if ((pXGIHWDE->ujVBChipID == VB_CHIP_301) || (pXGIHWDE->ujVBChipID == VB_CHIP_302) || (pVBInfo->IF_DEF_CH7007 == 1)) {

		XGI_GetVBType(pVBInfo);

		XGI_GetVBInfo(ModeNo, ModeIdIndex, pXGIHWDE, pVBInfo);

		XGI_GetTVInfo(ModeNo, ModeIdIndex, pVBInfo);

		XGI_GetLCDInfo(ModeNo, ModeIdIndex, pVBInfo);

	}



	if (VESA_POWER_STATE == 0x00000400)

		XGINew_SetReg1(pVBInfo->Part4Port, 0x31, (unsigned char) (XGINew_GetReg1(pVBInfo->Part4Port, 0x31) & 0xFE));

	else

		XGINew_SetReg1(pVBInfo->Part4Port, 0x31, (unsigned char) (XGINew_GetReg1(pVBInfo->Part4Port, 0x31) | 0x01));



	temp = (unsigned char) XGINew_GetReg1(pVBInfo->P3c4, 0x1f);

	temp &= 0x3f;

	switch (VESA_POWER_STATE) {

	case 0x00000000: /* on */

		if ((pXGIHWDE->ujVBChipID == VB_CHIP_301) || (pXGIHWDE->ujVBChipID == VB_CHIP_302)) {

			XGINew_SetReg1(pVBInfo->P3c4, 0x1f, (unsigned char) (temp | 0x00));

			XGI_EnableBridge(pXGIHWDE, pVBInfo);

		} else {

			if (pXGIHWDE->jChipType == XG21) {

				if (pVBInfo->IF_DEF_LVDS == 1) {

					XGI_XG21BLSignalVDD(0x01, 0x01, pVBInfo); /* LVDS VDD on */

					XGI_XG21SetPanelDelay(2, pVBInfo);

				}

			}

			if (pXGIHWDE->jChipType == XG27) {

				if (pVBInfo->IF_DEF_LVDS == 1) {

					XGI_XG27BLSignalVDD(0x01, 0x01, pVBInfo); /* LVDS VDD on */

					XGI_XG21SetPanelDelay(2, pVBInfo);

				}

			}

			XGINew_SetRegANDOR(pVBInfo->P3c4, 0x1F, ~0xC0, 0x00);

			XGINew_SetRegAND(pVBInfo->P3c4, 0x01, ~0x20); /* CRT on */



			if (pXGIHWDE->jChipType == XG21) {

				temp = XGINew_GetReg1(pVBInfo->P3d4, 0x38);

				if (temp & 0xE0) {

					XGINew_SetRegANDOR(pVBInfo->P3c4, 0x09, ~0x80, 0x80); /* DVO ON */

					XGI_SetXG21FPBits(pVBInfo);

					XGINew_SetRegAND(pVBInfo->P3d4, 0x4A, ~0x20); /* Enable write GPIOF */

					/* XGINew_SetRegANDOR(pVBInfo->P3d4, 0x48, ~0x20, 0x20); *//* LCD Display ON */

				}

				XGI_XG21BLSignalVDD(0x20, 0x20, pVBInfo); /* LVDS signal on */

				XGI_DisplayOn(pXGIHWDE, pVBInfo);

			}

			if (pXGIHWDE->jChipType == XG27) {

				temp = XGINew_GetReg1(pVBInfo->P3d4, 0x38);

				if (temp & 0xE0) {

					XGINew_SetRegANDOR(pVBInfo->P3c4, 0x09, ~0x80, 0x80); /* DVO ON */

					XGI_SetXG27FPBits(pVBInfo);

					XGINew_SetRegAND(pVBInfo->P3d4, 0x4A, ~0x20); /* Enable write GPIOF */

					/* XGINew_SetRegANDOR(pVBInfo->P3d4, 0x48, ~0x20, 0x20); *//* LCD Display ON */

				}

				XGI_XG27BLSignalVDD(0x20, 0x20, pVBInfo); /* LVDS signal on */

				XGI_DisplayOn(pXGIHWDE, pVBInfo);

			}

		}

		break;



	case 0x00000100: /* standby */

		if (pXGIHWDE->jChipType >= XG21)

			XGI_DisplayOff(pXGIHWDE, pVBInfo);

		XGINew_SetReg1(pVBInfo->P3c4, 0x1f, (unsigned char) (temp | 0x40));

		break;



	case 0x00000200: /* suspend */

		if (pXGIHWDE->jChipType == XG21) {

			XGI_DisplayOff(pXGIHWDE, pVBInfo);

			XGI_XG21BLSignalVDD(0x20, 0x00, pVBInfo); /* LVDS signal off */

		}

		if (pXGIHWDE->jChipType == XG27) {

			XGI_DisplayOff(pXGIHWDE, pVBInfo);

			XGI_XG27BLSignalVDD(0x20, 0x00, pVBInfo); /* LVDS signal off */

		}

		XGINew_SetReg1(pVBInfo->P3c4, 0x1f, (unsigned char) (temp | 0x80));

		break;



	case 0x00000400: /* off */

		if ((pXGIHWDE->ujVBChipID == VB_CHIP_301) || (pXGIHWDE->ujVBChipID == VB_CHIP_302)) {

			XGINew_SetReg1(pVBInfo->P3c4, 0x1f, (unsigned char) (temp | 0xc0));

			XGI_DisableBridge(pXGIHWDE, pVBInfo);

		} else {

			if (pXGIHWDE->jChipType == XG21) {

				XGI_DisplayOff(pXGIHWDE, pVBInfo);



				XGI_XG21BLSignalVDD(0x20, 0x00, pVBInfo); /* LVDS signal off */



				temp = XGINew_GetReg1(pVBInfo->P3d4, 0x38);

				if (temp & 0xE0) {

					XGINew_SetRegAND(pVBInfo->P3c4, 0x09, ~0x80); /* DVO Off */

					XGINew_SetRegAND(pVBInfo->P3d4, 0x4A, ~0x20); /* Enable write GPIOF */

					/* XGINew_SetRegAND(pVBInfo->P3d4, 0x48, ~0x20); *//* LCD Display OFF */

				}

			}

			if (pXGIHWDE->jChipType == XG27) {

				XGI_DisplayOff(pXGIHWDE, pVBInfo);



				XGI_XG27BLSignalVDD(0x20, 0x00, pVBInfo); /* LVDS signal off */



				temp = XGINew_GetReg1(pVBInfo->P3d4, 0x38);

				if (temp & 0xE0)

					XGINew_SetRegAND(pVBInfo->P3c4, 0x09, ~0x80); /* DVO Off */

			}

			XGINew_SetRegANDOR(pVBInfo->P3c4, 0x1F, ~0xC0, 0xC0);

			XGINew_SetRegOR(pVBInfo->P3c4, 0x01, 0x20); /* CRT Off */



			if ((pXGIHWDE->jChipType == XG21) && (pVBInfo->IF_DEF_LVDS == 1)) {

				XGI_XG21SetPanelDelay(4, pVBInfo);

				XGI_XG21BLSignalVDD(0x01, 0x00, pVBInfo); /* LVDS VDD off */

				XGI_XG21SetPanelDelay(5, pVBInfo);

			}

			if ((pXGIHWDE->jChipType == XG27) && (pVBInfo->IF_DEF_LVDS == 1)) {

				XGI_XG21SetPanelDelay(4, pVBInfo);

				XGI_XG27BLSignalVDD(0x01, 0x00, pVBInfo); /* LVDS VDD off */

				XGI_XG21SetPanelDelay(5, pVBInfo);

			}

		}

		break;



	default:

		break;

	}

	XGI_LockCRT2(pXGIHWDE, pVBInfo);

}



void XGI_GetSenseStatus(struct xgi_hw_device_info *HwDeviceExtension, struct vb_device_info *pVBInfo)

{

	unsigned short tempax = 0, tempbx, tempcx, temp, P2reg0 = 0, SenseModeNo = 0,
@@ -607,234 +401,3 @@ unsigned char XGINew_SenseHiTV(struct xgi_hw_device_info *HwDeviceExtension, str 
			return 0;

	}

}
 


/* ----------------------------------------------------------------------------

 *       Description: Get Panel support

 *	O/P	   :

 *            BL: Panel ID=81h for no scaler LVDS

 *		     BH: Panel enhanced Mode Count

 *		     CX: Panel H. resolution

 *		     DX: PAnel V. resolution

 * ----------------------------------------------------------------------------

 */

static void XGI_XG21Fun14Sub70(struct vb_device_info *pVBInfo, PX86_REGS pBiosArguments)

{

	unsigned short ModeIdIndex;

	unsigned short ModeNo;



	unsigned short EModeCount;

	unsigned short lvdstableindex;



	lvdstableindex = XGI_GetLVDSOEMTableIndex(pVBInfo);

	pBiosArguments->h.bl = 0x81;

	pBiosArguments->x.cx = pVBInfo->XG21_LVDSCapList[lvdstableindex].LVDSHDE;

	pBiosArguments->x.dx = pVBInfo->XG21_LVDSCapList[lvdstableindex].LVDSVDE;

	EModeCount = 0;



	pBiosArguments->x.ax = 0x0014;

	for (ModeIdIndex = 0;; ModeIdIndex++) {

		ModeNo = pVBInfo->EModeIDTable[ModeIdIndex].Ext_ModeID;

		if (pVBInfo->EModeIDTable[ModeIdIndex].Ext_ModeID == 0xFF) {

			pBiosArguments->h.bh = (unsigned char) EModeCount;

			return;

		}

		if (!XGI_XG21CheckLVDSMode(ModeNo, ModeIdIndex, pVBInfo))

			continue;



		EModeCount++;

	}

}



/* ----------------------------------------------------------------------------

 *

 *       Description: Get Panel mode ID for enhanced mode

 *	I/P	   : BH: EModeIndex ( which < Panel enhanced Mode Count )

 *	O/P	   :

 *            BL: Mode ID

 *		     CX: H. resolution of the assigned by the index

 *		     DX: V. resolution of the assigned by the index

 *

 * ----------------------------------------------------------------------------

 */



static void XGI_XG21Fun14Sub71(struct vb_device_info *pVBInfo, PX86_REGS pBiosArguments)

{



	unsigned short EModeCount;

	unsigned short ModeIdIndex, resindex;

	unsigned short ModeNo;

	unsigned short EModeIndex = pBiosArguments->h.bh;



	EModeCount = 0;

	for (ModeIdIndex = 0;; ModeIdIndex++) {

		ModeNo = pVBInfo->EModeIDTable[ModeIdIndex].Ext_ModeID;

		if (pVBInfo->EModeIDTable[ModeIdIndex].Ext_ModeID == 0xFF) {

			pBiosArguments->x.ax = 0x0114;

			return;

		}

		if (!XGI_XG21CheckLVDSMode(ModeNo, ModeIdIndex, pVBInfo))

			continue;



		if (EModeCount == EModeIndex) {

			resindex = XGI_GetResInfo(ModeNo, ModeIdIndex, pVBInfo);

			pBiosArguments->h.bl = (unsigned char) ModeNo;

			pBiosArguments->x.cx = pVBInfo->ModeResInfo[resindex].HTotal; /* xres->ax */

			pBiosArguments->x.dx = pVBInfo->ModeResInfo[resindex].VTotal; /* yres->bx */

			pBiosArguments->x.ax = 0x0014;

		}

		EModeCount++;



	}



}



/* ----------------------------------------------------------------------------

 *

 *       Description: Validate Panel modes ID support

 *	I/P	   :

 *            BL: ModeID

 *	O/P	   :

 *		     CX: H. resolution of the assigned by the index

 *		     DX: V. resolution of the assigned by the index

 *

 * ----------------------------------------------------------------------------

 */

static void XGI_XG21Fun14Sub72(struct vb_device_info *pVBInfo, PX86_REGS pBiosArguments)

{

	unsigned short ModeIdIndex, resindex;

	unsigned short ModeNo;



	ModeNo = pBiosArguments->h.bl;

	XGI_SearchModeID(ModeNo, &ModeIdIndex, pVBInfo);

	if (!XGI_XG21CheckLVDSMode(ModeNo, ModeIdIndex, pVBInfo)) {

		pBiosArguments->x.cx = 0;

		pBiosArguments->x.dx = 0;

		pBiosArguments->x.ax = 0x0114;

		return;

	}

	resindex = XGI_GetResInfo(ModeNo, ModeIdIndex, pVBInfo);

	if (ModeNo <= 0x13) {

		pBiosArguments->x.cx = pVBInfo->StResInfo[resindex].HTotal;

		pBiosArguments->x.dx = pVBInfo->StResInfo[resindex].VTotal;

	} else {

		pBiosArguments->x.cx = pVBInfo->ModeResInfo[resindex].HTotal; /* xres->ax */

		pBiosArguments->x.dx = pVBInfo->ModeResInfo[resindex].VTotal; /* yres->bx */

	}



	pBiosArguments->x.ax = 0x0014;



}



/* ----------------------------------------------------------------------------

 *

 *	Description: Get Customized Panel misc. information support

 *	I/P	   : Select

 *		     to get panel horizontal timing

 *			 to get panel vertical timing

 *			 to get channel clock parameter

 *            to get panel misc information

 *

 *	O/P	   :

 *		     BL: for input Select = 0 ;

 *                       BX: *Value1 = Horizontal total

 *                       CX: *Value2 = Horizontal front porch

 *                       DX: *Value2 = Horizontal sync width

 *		     BL: for input Select = 1 ;

 *                       BX: *Value1 = Vertical total

 *                       CX: *Value2 = Vertical front porch

 *                       DX: *Value2 = Vertical sync width

 *            BL: for input Select = 2 ;

 *                       BX: Value1 = The first CLK parameter

 *                       CX: Value2 = The second CLK parameter

 *		     BL: for input Select = 4 ;

 *                       BX[15]: *Value1 D[15] VESA V. Polarity

 *                       BX[14]: *Value1 D[14] VESA H. Polarity

 *                       BX[7]: *Value1 D[7] Panel V. Polarity

 *                       BX[6]: *Value1 D[6] Panel H. Polarity

 * ----------------------------------------------------------------------------

 */

static void XGI_XG21Fun14Sub73(struct vb_device_info *pVBInfo, PX86_REGS pBiosArguments)

{

	unsigned char Select;



	unsigned short lvdstableindex;



	lvdstableindex = XGI_GetLVDSOEMTableIndex(pVBInfo);

	Select = pBiosArguments->h.bl;



	switch (Select) {

	case 0:

		pBiosArguments->x.bx = pVBInfo->XG21_LVDSCapList[lvdstableindex].LVDSHT;

		pBiosArguments->x.cx = pVBInfo->XG21_LVDSCapList[lvdstableindex].LVDSHFP;

		pBiosArguments->x.dx = pVBInfo->XG21_LVDSCapList[lvdstableindex].LVDSHSYNC;

		break;

	case 1:

		pBiosArguments->x.bx = pVBInfo->XG21_LVDSCapList[lvdstableindex].LVDSVT;

		pBiosArguments->x.cx = pVBInfo->XG21_LVDSCapList[lvdstableindex].LVDSVFP;

		pBiosArguments->x.dx = pVBInfo->XG21_LVDSCapList[lvdstableindex].LVDSVSYNC;

		break;

	case 2:

		pBiosArguments->x.bx = pVBInfo->XG21_LVDSCapList[lvdstableindex].VCLKData1;

		pBiosArguments->x.cx = pVBInfo->XG21_LVDSCapList[lvdstableindex].VCLKData2;

		break;

	case 4:

		pBiosArguments->x.bx = pVBInfo->XG21_LVDSCapList[lvdstableindex].LVDS_Capability;

		break;

	}



	pBiosArguments->x.ax = 0x0014;

}



void XGI_XG21Fun14(struct xgi_hw_device_info *pXGIHWDE, PX86_REGS pBiosArguments)

{

	struct vb_device_info VBINF;

	struct vb_device_info *pVBInfo = &VBINF;



	pVBInfo->IF_DEF_LVDS = 0;

	pVBInfo->IF_DEF_CH7005 = 0;

	pVBInfo->IF_DEF_HiVision = 1;

	pVBInfo->IF_DEF_LCDA = 1;

	pVBInfo->IF_DEF_CH7017 = 0;

	pVBInfo->IF_DEF_YPbPr = 1;

	pVBInfo->IF_DEF_CRT2Monitor = 0;

	pVBInfo->IF_DEF_VideoCapture = 0;

	pVBInfo->IF_DEF_ScaleLCD = 0;

	pVBInfo->IF_DEF_OEMUtil = 0;

	pVBInfo->IF_DEF_PWD = 0;



	InitTo330Pointer(pXGIHWDE->jChipType, pVBInfo);

	ReadVBIOSTablData(pXGIHWDE->jChipType, pVBInfo);



	pVBInfo->P3c4 = pVBInfo->BaseAddr + 0x14;

	pVBInfo->P3d4 = pVBInfo->BaseAddr + 0x24;

	pVBInfo->P3c0 = pVBInfo->BaseAddr + 0x10;

	pVBInfo->P3ce = pVBInfo->BaseAddr + 0x1e;

	pVBInfo->P3c2 = pVBInfo->BaseAddr + 0x12;

	pVBInfo->P3ca = pVBInfo->BaseAddr + 0x1a;

	pVBInfo->P3c6 = pVBInfo->BaseAddr + 0x16;

	pVBInfo->P3c7 = pVBInfo->BaseAddr + 0x17;

	pVBInfo->P3c8 = pVBInfo->BaseAddr + 0x18;

	pVBInfo->P3c9 = pVBInfo->BaseAddr + 0x19;

	pVBInfo->P3da = pVBInfo->BaseAddr + 0x2A;

	pVBInfo->Part0Port = pVBInfo->BaseAddr + XGI_CRT2_PORT_00;

	pVBInfo->Part1Port = pVBInfo->BaseAddr + XGI_CRT2_PORT_04;

	pVBInfo->Part2Port = pVBInfo->BaseAddr + XGI_CRT2_PORT_10;

	pVBInfo->Part3Port = pVBInfo->BaseAddr + XGI_CRT2_PORT_12;

	pVBInfo->Part4Port = pVBInfo->BaseAddr + XGI_CRT2_PORT_14;

	pVBInfo->Part5Port = pVBInfo->BaseAddr + XGI_CRT2_PORT_14 + 2;



	switch (pBiosArguments->x.ax) {

	case 0x1470:

		XGI_XG21Fun14Sub70(pVBInfo, pBiosArguments);

		break;

	case 0x1471:

		XGI_XG21Fun14Sub71(pVBInfo, pBiosArguments);

		break;

	case 0x1472:

		XGI_XG21Fun14Sub72(pVBInfo, pBiosArguments);

		break;

	case 0x1473:

		XGI_XG21Fun14Sub73(pVBInfo, pBiosArguments);

		break;

	}

}

drivers/staging/xgifb/vb_ext.h

+0 −3
Original line number Diff line number Diff line
@@ -21,9 +21,6 @@ typedef union _X86_REGS { 
    struct  BYTEREGS h;

} X86_REGS, *PX86_REGS;



extern   void     XGI_XG21Fun14(struct xgi_hw_device_info *pXGIHWDE, PX86_REGS pBiosArguments);

extern void XGISetDPMS(struct xgi_hw_device_info *pXGIHWDE,

		       unsigned long VESA_POWER_STATE);

extern   void     XGI_GetSenseStatus(struct xgi_hw_device_info *HwDeviceExtension, struct vb_device_info *pVBInfo);

extern   void     XGINew_SetModeScratch(struct xgi_hw_device_info *HwDeviceExtension, struct vb_device_info *pVBInfo) ;

extern void ReadVBIOSTablData(unsigned char ChipType,