i2s_control.h

realtek562x系列驱动源码。wince

/* Copyright ?1999,2000,2001 Intel Corp.  */
/*++

Module Name:  aclinkcontrol.h

Abstract:  
 Intel XSC1 StrongARM  platform header file definitions for the I2S Control routines.

Notes:
 
$Date: 4/29/03 2:30p $

--*/
#ifndef __I2S_CONTROL_H__
#define __I2S_CONTROL_H__

#ifdef __cplusplus
extern "C"{
#endif 

//define codec device ID of I2C interface
#if RT_ALC5620		//support ALC5620,ALC5624

//ALC5620 I2C's device ID is 0x30(A1 pull low,the Device ID=0x30,A1 pull high the device ID=0x32)
#define DEV_AUDIO				(0x30>>1)	

#elif RT_ALC5621	//support ALC5621,ALC5622,ALC5623

#define DEV_AUDIO				(0x34>>1)	

#endif	

#define SR_48000				48000
#define SR_44100				44100
#define SR_22050				22050
#define SR_16000				16000
#define SR_11025				11025
#define SR_8000					8000


#define I2C_MUTEX_NAME		TEXT("I2C_CONTROL")	
static HANDLE hI2cControlMutex = NULL;


 
BOOL ReleaseI2CLock(void);
BOOL GetI2CLock(void);
BOOL UnConfigureI2CControl(void);
BOOL ConfigureI2CControl(void);
BOOL UnConfigureI2SControl(void);
BOOL ConfigureI2SControl(void);
BOOL WriteI2SCodec(UINT8 Offset, UINT16 Data, UINT8 DevId);
BOOL ReadI2SCodec(UINT8 Offset, UINT16 *pData, UINT8 DevId);
BOOL WriteI2SCodecRaw(UINT8 Offset, UINT16 Data, UINT8 DevId);
BOOL ReadI2SCodecRaw(UINT8 Offset, UINT16 *pData, UINT8 DevId);
BOOL AllocateI2SResources(void);
BOOL InitializeI2S(BOOL);
BOOL InitializeI2C(BOOL);
BOOL DeInitializeI2S(BOOL);
BOOL SetI2sSampleRate(UINT16 SampleRate);
BOOL GetI2sSampleRate(UINT16* SampleRate);
BOOL DeAllocateI2SResources(void);

#ifdef __cplusplus
}
#endif 

#endif //__ACLINKCONTORL_H__