s3c2443disp.cpp

s3c2443的display driver.

	}

    // do emulated line
    retval = EmulatedLine (lineParameters);

    // se if cursor was forced off because of overlap with line bouneds and turn back on
    if (m_CursorForcedOff)
    {
        m_CursorForcedOff = FALSE;
        CursorOn();
    }

    return    retval;

}

SCODE    S3C2443DISP::Line(GPELineParms *lineParameters, EGPEPhase phase)
{
    DEBUGMSG (GPE_ZONE_INIT, (TEXT("S3C2443DISP::Line\r\n")));

    if (phase == gpeSingle || phase == gpePrepare)
    {
#ifdef DO_DISPPERF    	
        DispPerfStart(ROP_LINE);
#endif
        if ((lineParameters->pDst != m_pPrimarySurface))
        {
            lineParameters->pLine = EmulatedLine;
        }
        else
        {
            lineParameters->pLine = (SCODE (GPE::*)(struct GPELineParms *)) WrappedEmulatedLine;
        }
    }
    else if (phase == gpeComplete)
    {
#ifdef DO_DISPPERF    
        DispPerfEnd(0);
#endif        
    }
    return S_OK;
}

SCODE S3C2443DISP::BltPrepare(GPEBltParms *blitParameters)
{
    RECTL rectl;
    int   iSwapTmp;
    BOOL  bRotate = FALSE;

    DEBUGMSG (GPE_ZONE_INIT, (TEXT("S3C2443DISP::BltPrepare\r\n")));

#ifdef DO_DISPPERF
    DispPerfStart(blitParameters->rop4);
#endif 

    // default to base EmulatedBlt routine
    blitParameters->pBlt = EmulatedBlt;

    // see if we need to deal with cursor

    // check for destination overlap with cursor and turn off cursor if overlaps
    if (blitParameters->pDst == m_pPrimarySurface)    // only care if dest is main display surface
    {
        if (m_CursorVisible && !m_CursorDisabled)
        {    
            if (blitParameters->prclDst != NULL)        // make sure there is a valid prclDst
            {
                rectl = *blitParameters->prclDst;        // if so, use it

                // There is no guarantee of a well ordered rect in blitParamters
                // due to flipping and mirroring.
                if(rectl.top > rectl.bottom)
                {
                    iSwapTmp     = rectl.top;
                    rectl.top    = rectl.bottom;
                    rectl.bottom = iSwapTmp;
                }

                if(rectl.left > rectl.right)
                {
                    iSwapTmp    = rectl.left;
                    rectl.left  = rectl.right;
                    rectl.right = iSwapTmp;
                }
            }
            else
            {
                rectl = m_CursorRect;                    // if not, use the Cursor rect - this forces the cursor to be turned off in this case
            }

            if (m_CursorRect.top <= rectl.bottom && m_CursorRect.bottom >= rectl.top &&
                m_CursorRect.left <= rectl.right && m_CursorRect.right >= rectl.left)
            {
                CursorOff();
                m_CursorForcedOff = TRUE;
            }
        }        

        if (m_iRotate )
        {
            bRotate = TRUE;
        }
    }

    // check for source overlap with cursor and turn off cursor if overlaps
    if (blitParameters->pSrc == m_pPrimarySurface)    // only care if source is main display surface
    {
        if (m_CursorVisible && !m_CursorDisabled)
        {
            if (blitParameters->prclSrc != NULL)        // make sure there is a valid prclSrc
            {
                rectl = *blitParameters->prclSrc;        // if so, use it
            }
            else
            {
                rectl = m_CursorRect;                    // if not, use the CUrsor rect - this forces the cursor to be turned off in this case
            }
            if (m_CursorRect.top < rectl.bottom && m_CursorRect.bottom > rectl.top &&
                m_CursorRect.left < rectl.right && m_CursorRect.right > rectl.left)
            {
                CursorOff();
                m_CursorForcedOff = TRUE;
            }
        }

        
        if (m_iRotate) //if rotated
        {
            bRotate = TRUE;
        }        
    }

    if (bRotate)
    {
        blitParameters->pBlt = (SCODE (GPE::*)(GPEBltParms *))EmulatedBltRotate;
    }

	EmulatedBltSelect02(blitParameters);
	EmulatedBltSelect08(blitParameters);
	EmulatedBltSelect16(blitParameters);


    return S_OK;
}

SCODE    S3C2443DISP::BltComplete(GPEBltParms *blitParameters)
{
    DEBUGMSG (GPE_ZONE_INIT, (TEXT("S3C2443DISP::BltComplete\r\n")));

    // see if cursor was forced off because of overlap with source or destination and turn back on
    if (m_CursorForcedOff)
    {
        m_CursorForcedOff = FALSE;
        CursorOn();
    }
    
#ifdef DO_DISPPERF
    DispPerfEnd(0);
#endif
    return S_OK;
}

INT        S3C2443DISP::InVBlank(void)
{
    static    BOOL    value = FALSE;
    DEBUGMSG (GPE_ZONE_INIT, (TEXT("S3C2443DISP::InVBlank\r\n")));
    value = !value;
    return value;
}

SCODE    S3C2443DISP::SetPalette(const PALETTEENTRY *source, USHORT firstEntry, USHORT numEntries)
{
    DEBUGMSG (GPE_ZONE_INIT, (TEXT("S3C2443DISP::SetPalette\r\n")));

    if (firstEntry < 0 || firstEntry + numEntries > 256 || source == NULL)
    {
        return    E_INVALIDARG;
    }


    return    S_OK;
}

int
S3C2443DISP::GetGameXInfo(
    ULONG iEsc,
    ULONG cjIn,
    PVOID pvIn,
    ULONG cjOut,
    PVOID pvOut
    )
{
    int     RetVal = 0;     // Default not supported
    GXDeviceInfo * pgxoi;

    // GAPI only support P8, RGB444, RGB555, RGB565, and RGB888
    if ((cjOut >= sizeof(GXDeviceInfo)) && (pvOut != NULL)
        && (m_pMode->Bpp == 8 || m_pMode->Bpp == 16 || m_pMode->Bpp == 24 || m_pMode->Bpp == 32))
    {
        if (((GXDeviceInfo *) pvOut)->idVersion == kidVersion100)
        {
            pgxoi = (GXDeviceInfo *) pvOut;
            pgxoi->idVersion = kidVersion100;
            pgxoi->pvFrameBuffer = (void *)m_pPrimarySurface->Buffer();
            pgxoi->cbStride = m_pPrimarySurface->Stride();
            pgxoi->cxWidth = m_pPrimarySurface->Width();
            pgxoi->cyHeight = m_pPrimarySurface->Height();
    
            if (m_pMode->Bpp == 8)
            {
                pgxoi->cBPP = 8;
                pgxoi->ffFormat = kfPalette;
            }
            else if (m_pMode->Bpp == 16)
            {
                pgxoi->cBPP = 16;
                pgxoi->ffFormat= kfDirect | kfDirect565;
            }
            else if (m_pMode->Bpp == 24)
            {
                pgxoi->cBPP = 24;
                pgxoi->ffFormat = kfDirect | kfDirect888;
            }
            else
            {
                pgxoi->cBPP = 32;
                pgxoi->ffFormat = kfDirect | kfDirect888;
            }

            pgxoi->vkButtonUpPortrait = VK_UP;
            pgxoi->vkButtonUpLandscape = VK_LEFT;
            pgxoi->vkButtonDownPortrait = VK_DOWN;
            pgxoi->vkButtonDownLandscape = VK_RIGHT;
            pgxoi->vkButtonLeftPortrait = VK_LEFT;
            pgxoi->vkButtonLeftLandscape = VK_DOWN;
            pgxoi->vkButtonRightPortrait = VK_RIGHT;
            pgxoi->vkButtonRightLandscape = VK_UP;
            pgxoi->vkButtonAPortrait = 0xC3;            // far right button
            pgxoi->vkButtonALandscape = 0xC5;            // record button on side
            pgxoi->vkButtonBPortrait = 0xC4;            // second from right button
            pgxoi->vkButtonBLandscape = 0xC1;
            pgxoi->vkButtonCPortrait = 0xC5;            // far left button
            pgxoi->vkButtonCLandscape = 0xC2;            // far left button
            pgxoi->vkButtonStartPortrait = 134;            // action button
            pgxoi->vkButtonStartLandscape = 134;
            pgxoi->ptButtonUp.x = 120;
            pgxoi->ptButtonUp.y = 330;
            pgxoi->ptButtonDown.x = 120;
            pgxoi->ptButtonDown.y = 390;
            pgxoi->ptButtonLeft.x = 90;
            pgxoi->ptButtonLeft.y = 360;
            pgxoi->ptButtonRight.x = 150;
            pgxoi->ptButtonRight.y = 360;
            pgxoi->ptButtonA.x = 180;
            pgxoi->ptButtonA.y = 330;
            pgxoi->ptButtonB.x = 210;
            pgxoi->ptButtonB.y = 345;
            pgxoi->ptButtonC.x = -50;
            pgxoi->ptButtonC.y = 0;
            pgxoi->ptButtonStart.x = 120;
            pgxoi->ptButtonStart.y = 360;
            pgxoi->pvReserved1 = (void *) 0;
            pgxoi->pvReserved2 = (void *) 0;
            RetVal = 1;

        }
        else
        {
            SetLastError (ERROR_INVALID_PARAMETER);
            RetVal = -1;
        }
    }
    else 
    {
        SetLastError (ERROR_INVALID_PARAMETER);
        RetVal = -1;
    }

    return(RetVal);
}



VIDEO_POWER_STATE
PmToVideoPowerState(CEDEVICE_POWER_STATE pmDx)
{
	VIDEO_POWER_STATE vps;
	RETAILMSG(0,(_T("++PmToVideoPowerState\r\n")));

	switch(pmDx) {
	case D0:        // turn the display on
		vps = VideoPowerOn;
		break;

	case D1:        // if asked for a state we don't support, go to the next lower one
	case D2:
	case D3:
	case D4:
		vps = VideoPowerOff;
		break;

	default:
		RETAILMSG(0 , (L"PmToVideoPowerState: mapping unknown PM state %d to VideoPowerOn\r\n", pmDx));
		vps = VideoPowerOn;
		break;
	}

	return vps;
}

// this routine maps video power states to PM power states.
CEDEVICE_POWER_STATE
VideoToPmPowerState(VIDEO_POWER_STATE vps)
{
	CEDEVICE_POWER_STATE pmDx;
	RETAILMSG(0,(_T("++VideoToPmPowerState\r\n")));

	switch(vps)
	{
	case VideoPowerOn:
		pmDx = D0;
		break;

	case VideoPowerStandBy:
		pmDx = D1;
		break;

	case VideoPowerSuspend:
		pmDx = (CEDEVICE_POWER_STATE)D2;
		break;

	case VideoPowerOff:
		pmDx = (CEDEVICE_POWER_STATE)D4;
		break;

	default:
		pmDx = D0;
		RETAILMSG(0, (L"VideoToPmPowerState: mapping unknown video state %d to pm state %d\r\n",
		         vps, pmDx));
		break;
	}

	return pmDx;
}

#define ESC_SUCCESS             0x00000001
#define ESC_FAILED              0xFFFFFFFF
#define ESC_NOT_SUPPORTED       0x00000000
ULONG
S3C2443DISP::DrvEscape(
    SURFOBJ * pso,
    ULONG     iEsc,
    ULONG     cjIn,
    void    * pvIn,
    ULONG     cjOut,
    void    * pvOut
    )
{
    ULONG Result = 0;	
    if (iEsc == QUERYESCSUPPORT)
    {
        if (*(DWORD*)pvIn == GETGXINFO
            || *(DWORD*)pvIn == DRVESC_GETSCREENROTATION
            || *(DWORD*)pvIn == DRVESC_SETSCREENROTATION
            || *(DWORD*)pvIn == SETPOWERMANAGEMENT
            || *(DWORD*)pvIn == GETPOWERMANAGEMENT
			|| *(DWORD*)pvIn == IOCTL_POWER_CAPABILITIES
			|| *(DWORD*)pvIn == IOCTL_POWER_QUERY
			|| *(DWORD*)pvIn == IOCTL_POWER_SET
			|| *(DWORD*)pvIn == IOCTL_POWER_GET            
            )
        {
            // The escape is supported.
            return 1;
        }
        else
        {
            // The escape isn't supported.
            return 0;
        }
    }
    else if (iEsc == DRVESC_GETSCREENROTATION)
    {
        *(int *)pvOut = ((DMDO_0 | DMDO_90 | DMDO_180 | DMDO_270) << 8) | ((BYTE)m_iRotate);
        return DISP_CHANGE_SUCCESSFUL;
    }
    else if (iEsc == DRVESC_SETSCREENROTATION)
    {
        if ((cjIn == DMDO_0)   ||
            (cjIn == DMDO_90)  ||
            (cjIn == DMDO_180) ||
            (cjIn == DMDO_270) )
            {
                return DynRotate(cjIn);
            }

        return DISP_CHANGE_BADMODE;
    }
    else if (iEsc == GETGXINFO)
    {
        return GetGameXInfo(iEsc, cjIn, pvIn, cjOut, pvOut);
    }
    else if (iEsc == SETPOWERMANAGEMENT)
    {
        if ((cjIn >= sizeof (VIDEO_POWER_MANAGEMENT)) && (pvIn != NULL))
        {
            PVIDEO_POWER_MANAGEMENT pvpm = (PVIDEO_POWER_MANAGEMENT)pvIn;
			
            if (pvpm->Length >= sizeof (VIDEO_POWER_MANAGEMENT))
            {
                switch (pvpm->PowerState)
                {
				case VideoPowerStandBy:
				case VideoPowerOn:
					SetDisplayPower(VideoPowerOn);
					Result = ESC_SUCCESS;
                    break;
					
				case VideoPowerOff: