tlv320dac.h

Go to the documentation of this file.

#ifndef _DEV_TLV320DAC_H_
#define _DEV_TLV320DAC_H_

#define DAC_LLI_VOL             0x00    
#define DAC_LLI_VOL_LRS         0x0100  
#define DAC_LLI_VOL_LIM         0x0080  
#define DAC_LLI_VOL_LIV         0x001F  
#define DAC_LLI_VOL_LIV_LSB         0   


#define DAC_RLI_VOL             0x01    
#define DAC_RLI_VOL_RLS         0x0100  
#define DAC_RLI_VOL_RIM         0x0080  
#define DAC_RLI_VOL_RIV         0x001F  
#define DAC_RLI_VOL_RIV_LSB         0   


#define DAC_LHP_VOL             0x02    
#define DAC_LHP_VOL_LRS         0x0100  
#define DAC_LHP_VOL_LZC         0x0080  
#define DAC_LHP_VOL_LHV         0x007F  
#define DAC_LHP_VOL_LHV_LSB         0   


#define DAC_RHP_VOL             0x03    
#define DAC_RHP_VOL_RLS         0x0100  
#define DAC_RHP_VOL_LZC         0x0080  
#define DAC_RHP_VOL_LHV         0x007F  
#define DAC_RHP_VOL_LHV_LSB         0   


#define DAC_ANA_PATH            0x04    
#define DAC_ANA_PATH_STA        0x01C0  
#define DAC_ANA_PATH_STA_LSB         6  
#define DAC_ANA_PATH_STA_0DB    0x0100  
#define DAC_ANA_PATH_STA_M6DB   0x0000  
#define DAC_ANA_PATH_STA_M9DB   0x0040  
#define DAC_ANA_PATH_STA_M12DB  0x0080  
#define DAC_ANA_PATH_STA_M18DB  0x00C0  
#define DAC_ANA_PATH_STE        0x0020  
#define DAC_ANA_PATH_DAC        0x0010  
#define DAC_ANA_PATH_BYP        0x0008  
#define DAC_ANA_PATH_INSEL      0x0004  
#define DAC_ANA_PATH_MICM       0x0002  
#define DAC_ANA_PATH_MICB       0x0001  


#define DAC_DIG_PATH            0x05    
#define DAC_DIG_PATH_DACM       0x0008  
#define DAC_DIG_PATH_DEEMP      0x0006  
#define DAC_DIG_PATH_DEEMP_LSB      1   
#define DAC_DIG_PATH_DEEMP_NONE     0x0000  
#define DAC_DIG_PATH_DEEMP_32KHZ    0x0002  
#define DAC_DIG_PATH_DEEMP_44_1KHZ  0x0004  
#define DAC_DIG_PATH_DEEMP_48KHZ    0x0006  
#define DAC_DIG_PATH_ADCHP      0x0001  


#define DAC_PWRDN               0x06    
#define DAC_PWRDN_OFF           0x0080  
#define DAC_PWRDN_CLK           0x0040  
#define DAC_PWRDN_OSC           0x0020  
#define DAC_PWRDN_OUT           0x0010  
#define DAC_PWRDN_DAC           0x0008  
#define DAC_PWRDN_ADC           0x0004  
#define DAC_PWRDN_MIC           0x0002  
#define DAC_PWRDN_LINE          0x0001  


#define DAC_DAI_FMT             0x07    
#define DAC_DAI_FMT_MS          0x0040  
#define DAC_DAI_FMT_LRSWAP      0x0020  
#define DAC_DAI_FMT_LRP         0x0010  
#define DAC_DAI_FMT_IWL         0x000C  
#define DAC_DAI_FMT_IWL_LSB         2   
#define DAC_DAI_FMT_IWL_16      0x0000  
#define DAC_DAI_FMT_IWL_20      0x0004  
#define DAC_DAI_FMT_IWL_24      0x0008  
#define DAC_DAI_FMT_IWL_32      0x000C  
#define DAC_DAI_FMT_FOR         0x0003  
#define DAC_DAI_FMT_FOR_LSB         0   
#define DAC_DAI_FMT_FOR_RA      0x0000  
#define DAC_DAI_FMT_FOR_LA      0x0001  
#define DAC_DAI_FMT_FOR_I2S     0x0002  
#define DAC_DAI_FMT_FOR_DSP     0x0003  


#define DAC_SRATE               0x08    
#define DAC_SRATE_CLKOUT        0x0080  
#define DAC_SRATE_CLKIN         0x0040  
#define DAC_SRATE_SR            0x003C  
#define DAC_SRATE_SR_LSB            2   
#define DAC_SRATE_BOSR          0x0002  
#define DAC_SRATE_USB           0x0001  


#define DAC_DI_ACT              0x09    
#define DAC_DI_ACT_ACT          0x0001  


#define DAC_RESET               0x0F    

#define DAC_MAX_VOLUME  6
#define DAC_MIN_VOLUME  -73

__BEGIN_DECLS
/* Prototypes */

extern int Tlv320DacInit(u_int rate);
extern int Tlv320DacWrite(void *buf, int len);
extern int Tlv320DacFlush(void);

extern u_char Tlv320DacReadReg(u_int reg);
extern void Tlv320DacWriteReg(u_int reg, u_int val);

extern int Tlv320DacSetVolume(int left, int right);
extern int Tlv320DacSetRate(u_int rate);

__END_DECLS
/* End of prototypes */

#endif

---