lm4548.h

来自「WinCE 3.0 BSP, 包含Inter SA1110, Intel_815」· C头文件 代码 · 共 42 行

// LM4548.h: interface for the CLM4548 class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_LM4548_H__D83C6B8F_79AC_48E0_93AB_483A7721F189__INCLUDED_)
#define AFX_LM4548_H__D83C6B8F_79AC_48E0_93AB_483A7721F189__INCLUDED_

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

#include "AC97Codec.h"

// vendor IDs for the LM4548

static const LM4548_ID1 = 0x4E53;
static const LM4548_ID2 = 0x4300;

// Codec specific registers

#define LM4548_GENERAL_PURPOSE		0x20
#define LM4548_MODEM_RATE			0x24
#define LM4548_POWERDOWN_CTRL_STAT	0x26
#define LM4548_EXT_AUDIO_CTRL_STAT	0x2A
#define LM4548_PCM_FRONT_DAC_RATE	0x2C
#define LM4548_PCM_LR_ADC_RATE		0x32


class CLM4548 : public CAC97Codec  
{
public:
	CLM4548(CCX5530Audio *pController);
	virtual ~CLM4548();

	virtual bool Reset(void);
	virtual bool SetSampleRate(bool bInput, DWORD dwFrequency);
	static bool QueryIDs(WORD wID1, WORD wID2){ return wID1 == LM4548_ID1 && wID2 == LM4548_ID2;}

};

#endif // !defined(AFX_LM4548_H__D83C6B8F_79AC_48E0_93AB_483A7721F189__INCLUDED_)