lm4549.h

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

// LM4549.h: interface for the CLM4549 class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_LM4549_H__ACBF39A3_4E60_471C_B2B2_AEFF966A76E7__INCLUDED_)
#define AFX_LM4549_H__ACBF39A3_4E60_471C_B2B2_AEFF966A76E7__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "AC97Codec.h"

// vendor IDs for the LM4549

static const int LM4549_ID1 = 0x4E53;
static const int LM4549_ID2 = 0x4331;

// Codec specific registers

#define LM4549_GENERAL_PURPOSE		0x20
#define LM4549_MODEM_RATE			0x24
#define LM4549_POWERDOWN_CTRL_STAT	0x26
#define LM4549_EXT_AUDIO_CTRL_STAT	0x2A
#define LM4549_PCM_FRONT_DAC_RATE	0x2C
#define LM4549_PCM_LR_ADC_RATE		0x32


class CLM4549 : public CAC97Codec  
{
public:
	CLM4549(CCX5530Audio *pController);
	virtual ~CLM4549();

	virtual bool Reset(void);
	virtual bool SetSampleRate(bool bInput, DWORD dwFrequency);
	static bool QueryIDs(WORD wID1, WORD wID2){ return wID1 == LM4549_ID1 && wID2 == LM4549_ID2;}

};


#endif // !defined(AFX_LM4549_H__ACBF39A3_4E60_471C_B2B2_AEFF966A76E7__INCLUDED_)