ac97codec.cpp

WinCE 3.0 BSP, 包含Inter SA1110, Intel_815E, Advantech_PCM9574 等

// AC97Codec.cpp: implementation of the CAC97Codec class.
//
//////////////////////////////////////////////////////////////////////

// known codecs IDs

#define VENDOR_ID1 0x7C
#define VENDOR_ID2 0x7E

#include "AC97Codec.h"
#include "AD1819A.h"
#include "LM4548.h"
#include "LM4549.h"

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CAC97Codec* CAC97Codec::CreateCodec(CCX5530Audio *pController)
{
	WORD wID1, wID2;
	if (!pController)
	{
		ERRMSG("CAC97Codec::CreateCodec: NULL controller!");
		return NULL;
	}

	if (!pController->ReadAC97(VENDOR_ID1, wID1) || !pController->ReadAC97(VENDOR_ID2, wID2))
	{
		ERRMSG("CAC97Codec::CreateCodec: error reading vendor IDs!");
		return NULL;
	}

	if (CAD1819A::QueryIDs(wID1, wID2))
	{
		INFMSG("CAC97Codec::CreateCodec: found AD1819A");
		return new CAD1819A(pController);
	}

	if (CLM4548::QueryIDs(wID1, wID2))
	{
		INFMSG("CAC97Codec::CreateCodec: found LM4548");
		return new CLM4548(pController);
	}

	if (CLM4549::QueryIDs(wID1, wID2))
	{
		INFMSG("CAC97Codec::CreateCodec: found LM4549");
		return new CLM4549(pController);
	}
	// add new codecs here when known

	ERRMSG2("CAC97Codec::CreateCodec: unknown codec: 0x%4.4x, 0x%4.4x!", wID1, wID2);
	return NULL;
}

CAC97Codec::CAC97Codec(CCX5530Audio *pController):
	m_pController(pController)
{

}

CAC97Codec::~CAC97Codec()
{

}

bool CAC97Codec::Reset()
{
	return true;
}