mmconfig.cpp

winddk src目录下的WDM源码压缩!

	if( bResult)
		* pusTVTunerId = usValue;
	else
	    OutputDebugError(( "CATIMultimediaTable::GetTVTunerId() fails\n"));

	return( bResult);
}


/*^^*
 *		GetVideoDecoderId()
 * Purpose	: Retrieves Video decoder Id from the Multimedia configuration table
 *
 * Inputs	: PUSHORT pusDecoderId	: pointer to return Video decoder Id
 *
 * Outputs	: BOOL, returns TRUE, if succeeded
 * Author	: IKLEBANOV
 *^^*/
BOOL CATIMultimediaTable::GetVideoDecoderId( PUSHORT pusDecoderId)
{
	USHORT	usValue;
	BOOL	bResult = TRUE;

	if(( m_pvConfigurationData != NULL) && ( m_ulSize) && ( pusDecoderId != NULL))
	{
		switch( m_ulRevision)
		{
			case 0:
				usValue = ( USHORT)(((( PATI_MULTIMEDIAINFO)m_pvConfigurationData)->MMInfo_Byte2) & 0x07);
				break;

			case 1:
				usValue = ( USHORT)(((( PATI_MULTIMEDIAINFO1)m_pvConfigurationData)->MMInfo1_Byte5) & 0x0F);
				break;

			default:
				bResult = FALSE;
				break;
		}
	}
	else
		bResult = FALSE;

	if( bResult)
		* pusDecoderId = usValue;
	else
	    OutputDebugError(( "CATIMultimediaTable::GetVideoDecoderId() fails\n"));

	return( bResult);
}


/*^^*
 *		GetOEMId()
 * Purpose	: Retrieves OEM Id from the Multimedia configuration table
 *
 * Inputs	: PUSHORT pusOEMId	: pointer to return OEM Id
 *
 * Outputs	: BOOL, returns TRUE, if succeeded
 * Author	: IKLEBANOV
 *^^*/
BOOL CATIMultimediaTable::GetOEMId( PUSHORT	pusOEMId)
{
	USHORT	usValue;
	BOOL	bResult = TRUE;

	if(( m_pvConfigurationData != NULL) && ( m_ulSize) && ( pusOEMId != NULL))
	{
		switch( m_ulRevision)
		{
			case 0:
				usValue = ( USHORT)((( PATI_MULTIMEDIAINFO)m_pvConfigurationData)->MMInfo_Byte4);
				break;

			case 1:
				usValue = ( USHORT)((( PATI_MULTIMEDIAINFO1)m_pvConfigurationData)->MMInfo1_Byte2);
				break;

			default:
				bResult = FALSE;
				break;
		}
	}
	else
		bResult = FALSE;

	if( bResult)
		* pusOEMId = usValue;
	else
	    OutputDebugError(( "CATIMultimediaTable::GetOEMId() fails\n"));

	return( bResult);
}


/*^^*
 *		GetATIProductId()
 * Purpose	: Retrieves ATI Product Id from the Multimedia configuration table
 *
 * Inputs	: PUSHORT pusProductId: pointer to return Product Id
 *
 * Outputs	: BOOL, returns TRUE, if succeeded
 * Author	: IKLEBANOV
 *^^*/
BOOL CATIMultimediaTable::GetATIProductId( PUSHORT	pusProductId)
{
	USHORT	usValue;
	BOOL	bResult = TRUE;

	if(( m_pvConfigurationData != NULL) && ( m_ulSize) && ( pusProductId != NULL))
	{
		switch( m_ulRevision)
		{
			case 0:
				usValue = ( USHORT)((((( PATI_MULTIMEDIAINFO)m_pvConfigurationData)->MMInfo_Byte3) >> 4) & 0x0F);
				break;

			case 1:
				usValue = ( USHORT)((( PATI_MULTIMEDIAINFO1)m_pvConfigurationData)->MMInfo1_Byte2);
				break;

			default:
				bResult = FALSE;
				break;
		}
	}
	else
		bResult = FALSE;

	if( bResult)
		* pusProductId = usValue;
	else
	    OutputDebugError(( "CATIMultimediaTable::GetVideoDecoderId() fails\n"));

	return( bResult);
}



/*^^*
 *		GetOEMRevisionId()
 * Purpose	: Retrieves OEM Revision Id from the Multimedia configuration table
 *
 * Inputs	: PUSHORT pusOEMRevisionId	: pointer to return OEM Revision Id
 *
 * Outputs	: BOOL, returns TRUE, if succeeded
 * Author	: IKLEBANOV
 *^^*/
BOOL CATIMultimediaTable::GetOEMRevisionId( PUSHORT	pusOEMRevisionId)
{
	USHORT	usValue;
	BOOL	bResult = TRUE;

	if(( m_pvConfigurationData != NULL) && ( m_ulSize) && ( pusOEMRevisionId != NULL))
	{
		switch( m_ulRevision)
		{
			case 0:
				usValue = ( USHORT)((( PATI_MULTIMEDIAINFO)m_pvConfigurationData)->MMInfo_Byte5);
				break;

			case 1:
				usValue = ( USHORT)((((( PATI_MULTIMEDIAINFO1)m_pvConfigurationData)->MMInfo1_Byte1) >> 5) & 0x07);
				break;

			default:
				bResult = FALSE;
				break;
		}
	}
	else
		bResult = FALSE;

	if( bResult)
		* pusOEMRevisionId = usValue;
	else
	    OutputDebugError(( "CATIMultimediaTable::GetVideoDecoderId() fails\n"));

	return( bResult);
}


/*^^*
 *		IsATIProduct()
 * Purpose	: Returnes ATI ownership
 *
 * Inputs	: PUSHORT pusProductId: pointer to return ATI Product ownership
 *
 * Outputs	: BOOL, returns TRUE, if succeeded
 * Author	: IKLEBANOV
 *^^*/
BOOL CATIMultimediaTable::IsATIProduct( PBOOL pbATIProduct)
{
	BOOL	bATIOwnership;
	BOOL	bResult = TRUE;

	if(( m_pvConfigurationData != NULL) && ( m_ulSize) && ( pbATIProduct != NULL))
	{
		switch( m_ulRevision)
		{
			case 0:
				bATIOwnership = (( PATI_MULTIMEDIAINFO)m_pvConfigurationData)->MMInfo_Byte4 == OEM_ID_ATI;
				break;

			case 1:
				bATIOwnership = ( BOOL)(((( PATI_MULTIMEDIAINFO1)m_pvConfigurationData)->MMInfo1_Byte1) & 0x10);
				break;

			default:
				bResult = FALSE;
				break;
		}
	}
	else
		bResult = FALSE;

	if( bResult)
		* pbATIProduct = bATIOwnership;
	else
	    OutputDebugError(( "CATIMultimediaTable::GetVideoDecoderId() fails\n"));

	return( bResult);
}


/*^^*
 *		QueryGPIOProvider()
 * Purpose	: queries the GPIOProvider for the pins supported and private interfaces
 *
 * Inputs	: PDEVICE_OBJECT pDeviceObject		: pointer to accosiated Device Object
 *			  GPIOINTERFACE * pGPIOInterface	: pointer to GPIO interface
 *			  PGPIOControl pgpioAccessBlock		: pointer to GPIO control structure
 *
 * Outputs	: BOOL : retunrs TRUE, if the query function was carried on successfully
 * Author	: IKLEBANOV
 *^^*/
BOOL CATIMultimediaTable::QueryGPIOProvider( PDEVICE_OBJECT		pDeviceObject,
											 GPIOINTERFACE *	pGPIOInterface,
											 PGPIOControl		pgpioAccessBlock)
{

	ENSURE
	{
		if(( pGPIOInterface->gpioOpen == NULL)		|| 
			( pGPIOInterface->gpioAccess == NULL)	||
			( pDeviceObject == NULL))
			FAIL;

		pgpioAccessBlock->Status = GPIO_STATUS_NOERROR;
		pgpioAccessBlock->Command = GPIO_COMMAND_QUERY;
		pgpioAccessBlock->AsynchCompleteCallback = NULL;
        pgpioAccessBlock->Pins = NULL;

	    if(( !NT_SUCCESS( pGPIOInterface->gpioOpen( pDeviceObject, TRUE, pgpioAccessBlock))) ||
			( pgpioAccessBlock->Status != GPIO_STATUS_NOERROR))
			FAIL;

		return( TRUE);

	} END_ENSURE;

	return( FALSE);
}


/*^^*
 *		GetDigitalAudioProperties()
 * Purpose	: Gets Digital Audio support and information
 * Inputs	: Pointer to Digital Audio Info structure	
 *
 * Outputs	: BOOL : returns TRUE
 *				also sets the requested values into the input pointer
 * Author	: TOM
 *^^*/
BOOL CATIMultimediaTable::GetDigialAudioConfiguration( PDIGITAL_AUD_INFO pInput)
{
	BOOL bResult = FALSE;

	ENSURE
	{
		if (pInput == NULL)
			FAIL;
#if 1
		if (m_pvConfigurationData == NULL)
			FAIL;
	

		switch( m_ulRevision)
		{
			case 1:

			// Disable I2S in support for the time being - TL
//				pInput->bI2SInSupported  = ( BOOL)(((( PATI_MULTIMEDIAINFO1)m_pvConfigurationData)->MMInfo1_Byte4) & 0x01);
				pInput->bI2SInSupported  = 0;
				pInput->bI2SOutSupported  = ( BOOL)(((( PATI_MULTIMEDIAINFO1)m_pvConfigurationData)->MMInfo1_Byte4) & 0x02);
				pInput->wI2S_DAC_Device = ( WORD)((((( PATI_MULTIMEDIAINFO1)m_pvConfigurationData)->MMInfo1_Byte4) & 0x1c) >> 2);
				pInput->bSPDIFSupported = ( BOOL)(((( PATI_MULTIMEDIAINFO1)m_pvConfigurationData)->MMInfo1_Byte4) & 0x20);
				pInput->wReference_Clock = ( WORD)((((( PATI_MULTIMEDIAINFO1)m_pvConfigurationData)->MMInfo1_Byte5) & 0xf0) >> 4);
				bResult = TRUE;
				break;
	
			default:
				bResult = FALSE;
				break;
		}

#else
		pInput->bI2SInSupported = TRUE;
		pInput->bI2SOutSupported = TRUE;
		pInput->wI2S_DAC_Device = TDA1309_32;
		pInput->wReference_Clock = REF_295MHZ;
		pInput->bSPDIFSupported = TRUE;
		bResult = TRUE;
#endif

	} END_ENSURE;

	return (bResult);
}


/*^^*
 *		GetVideoInCrystalId()
 * Purpose	: Retrieves Video in crystal ID from the Multimedia configuration table
 *
 * Inputs	: PUSHORT pusVInCrystalId	: pointer to return Video in crystal Id
 *
 * Outputs	: BOOL, returns TRUE, if succeeded
 * Author	: Paul
 *^^*/
BOOL CATIMultimediaTable::GetVideoInCrystalId( PUCHAR pucVInCrystalId)
{
	UCHAR	ucValue;
	BOOL	bResult = TRUE;

	if(( m_pvConfigurationData != NULL) && ( m_ulSize) && ( pucVInCrystalId != NULL))
	{
		switch( m_ulRevision)
		{
			case 0:
				ucValue = ( UCHAR)((((( PATI_MULTIMEDIAINFO)m_pvConfigurationData)->MMInfo_Byte2) & 0x18) >> 3);
				break;

			case 1:
				ucValue = ( UCHAR)((((( PATI_MULTIMEDIAINFO1)m_pvConfigurationData)->MMInfo1_Byte5) & 0xF0) >> 4);
				break;

			default:
				bResult = FALSE;
				break;
		}
	}
	else
		bResult = FALSE;

	if( bResult)
		* pucVInCrystalId = ucValue;
	else
	    OutputDebugError(( "CATIMultimediaTable::GetVideoInCrystalId() fails\n"));

	return( bResult);
}