ac97codec.h

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

// AC97Codec.h: interface for the CAC97Codec class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_AC97CODEC_H__A3BB2292_7360_4046_A948_411CA3A601D9__INCLUDED_)
#define AFX_AC97CODEC_H__A3BB2292_7360_4046_A948_411CA3A601D9__INCLUDED_

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

#include "includes.h"
#include "cx5530Audio.h"	// Added by ClassView


// generic AC97 registers

#define AC97_RESET					0x00
#define AC97_MASTER_VOLUME			0x02
#define AC97_LINE_OUT_VOL			0x04
#define AC97_MASTER_VOLUME_MONO		0x06
#define AC97_MASTER_TONE_RL			0x08
#define AC97_PC_BEEP_VOLUME			0x0a
#define AC97_PHONE_VOLUME			0x0c
#define AC97_MIC_VOLUME				0x0e
#define AC97_LINE_IN_VOLUME			0x10
#define AC97_CD_VOLUME				0x12
#define AC97_VIDEO_VOLUME			0x14
#define AC97_AUX_VOLUME				0x16
#define AC97_PCM_OUT_VOL			0x18
#define AC97_RECORD_SELECT			0x1a
#define AC97_RECORD_GAIN			0x1c

#define AC97_VENDOR_ID1				0x7c
#define AC97_VENDOR_ID2				0x7e

#define AC97_MIXER_MUTE				0x8000
#define AC97_MICROPHONE_AMPLIFIER_GAIN 20	// dB
#define AC97_MICROPHONE_AMPLIFIER_ON 0x40

// AC97 record sources
enum
{
	AC97_RECORDSOURCE_MIC,
	AC97_RECORDSOURCE_CD,
	AC97_RECORDSOURCE_VIDEO,
	AC97_RECORDSOURCE_AUX,
	AC97_RECORDSOURCE_LINE_IN,
	AC97_RECORDSOURCE_LINE_OUT,
	AC97_RECORDSOURCE_MONO_LINE_OUT,
	AC97_RECORDSOURCE_PHONE_IN
};





class CAC97Codec  
{

public:
	virtual bool SetSampleRate(bool bInput, DWORD dwFrequency){return false;};
	bool QueryIDs(WORD wID1, WORD wID2){return false;};
	virtual bool Reset(void);
	CAC97Codec(CCX5530Audio *pController);
	virtual ~CAC97Codec();
	static CAC97Codec* CreateCodec(CCX5530Audio *pController);

protected:
	CCX5530Audio *m_pController;
};

#endif // !defined(AFX_AC97CODEC_H__A3BB2292_7360_4046_A948_411CA3A601D9__INCLUDED_)