?? rtcodeccomm.h
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#ifndef __RTCODECCOMM_H__
#define __RTCODECCOMM_H__
#include "wavemain.h"
//Index of Codec Register definition
#define RT_RESET 0X00 //RESET CODEC TO DEFAULT
#define RT_SPEAKER_OUT_VOL 0X02 //SPEAKER OUT VOLUME
#define RT_HP_OUT_VOL 0X04 //HEADPHONE OUTPUT VOLUME
#define RT_PHONEIN_MONO_OUT_VOL 0X08 //PHONE INPUT/MONO OUTPUT VOLUME
#define RT_LINE_IN_VOL 0X0A //LINE IN VOLUME
#define RT_STEREO_DAC_VOL 0X0C //STEREO DAC VOLUME
#define RT_MIC_VOL 0X0E //MICROPHONE VOLUME
#define RT_MIC_ROUTING_CTRL 0X10 //MIC ROUTING CONTROL
#define RT_ADC_RECORD_GAIN 0X12 //ADC RECORD GAIN
#define RT_ADC_RECORD_MIXER 0X14 //ADC RECORD MIXER CONTROL
#define RT_VOICE_DAC_OUT_VOL 0X18 //VOICE DAC OUTPUT VOLUME
#define RT_OUTPUT_MIXER_CTRL 0X1C //OUTPUT MIXER CONTROL
#define RT_MICROPHONE_CTRL 0X22 //MICROPHONE CONTROL
#define RT_POWERDOWN_CTRL_STAT 0X26 //POWER DOWN CONTROL/STATUS
#define RT_TONE_CTRL 0X2A //TONE CONTROL
#define RT_STEREO_DAC_RATE 0X2C //AC97 STEREO DAC RATE, DPE RATE
#define RT_STEREO_ADC_RATE 0X32 //AC97 STEREO ADC RATE, DPE RATE
#define RT_MAIN_SDP_CTRL 0X34 //MAIN SERIAL DATA PORT CONTROL(STEREO I2S)
#define RT_EXTEND_SDP_CTRL 0X36 //EXTEND SERIAL DATA PORT CONTROL(VOICE I2S/PCM)
#define RT_AC97_CTRL_REG 0X38 //AC97 CONTROL REGISTER
#define RT_PWR_MANAG_ADD1 0X3A //POWER MANAGMENT ADDITION 1
#define RT_PWR_MANAG_ADD2 0X3C //POWER MANAGMENT ADDITION 2
#define RT_PWR_MANAG_ADD3 0X3E //POWER MANAGMENT ADDITION 3
#define RT_GEN_CTRL_REG1 0X40 //GENERAL PURPOSE CONTROL REGISTER 1
#define RT_GEN_CTRL_REG2 0X42 //GENERAL PURPOSE CONTROL REGISTER 2
#define RT_PLL_CTRL 0X44 //PLL CONTROL
#define RT_GPIO_PIN_CONFIG 0X4C //GPIO PIN CONFIGURATION
#define RT_GPIO_PIN_POLARITY 0X4E //GPIO PIN POLARITY/TYPE
#define RT_GPIO_PIN_STICKY 0X50 //GPIO PIN STICKY
#define RT_GPIO_PIN_WAKEUP 0X52 //GPIO PIN WAKE UP
#define RT_GPIO_PIN_STATUS 0X54 //GPIO PIN STATUS
#define RT_GPIO_PIN_SHARING 0X56 //GPIO PIN SHARING
#define RT_OVER_TEMP_CURR_STATUS 0X58 //OVER TEMPERATURE AND CURRENT STATUS
#define RT_GPIO_OUT_CTRL 0X5C //GPIO OUTPUT PIN CONTRL
#define RT_MISC_CTRL 0X5E //MISC CONTROL
#define RT_STEREO_DAC_CLK_CTRL1 0X60 //STEREO DAC CLOCK CONTROL 1
#define RT_STEREO_DAC_CLK_CTRL2 0X62 //STEREO DAC CLOCK CONTROL 2
#define RT_VOICE_DAC_PCMCLK_CTRL1 0X64 //VOICE/PCM DAC CLOCK CONTROL 1
#define RT_VOICE_DAC_PCMCLK_CTRL2 0X66 //VOICE/PCM DAC CLOCK CONTROL 2
#define RT_PSEDUEO_SPATIAL_CTRL 0X68 //PSEDUEO STEREO /SPATIAL EFFECT BLOCK CONTROL
#define RT_EQ_ANALOG_CTRL_INDEX 0X6A //EQ &ANALOG CONTROL INDEX PORT
#define RT_EQ_ANALOG_CTRL_DATA 0X6C //EQ &ANALOG CONTROL DATA PORT
#define RT_EQ_STATUS 0X6E //EQ STATUS
#define RT_TP_CTRL_BYTE1 0X74 //TOUCH PANEL CONTROL BYTE 1
#define RT_TP_CTRL_BYTE2 0X76 //TOUCH PANEL CONTROL BYTE 2
#define RT_TP_INDICATION 0X78 //TOUCH PANEL INDICATION
#define RT_VENDOR_ID1 0x7C //VENDOR ID1
#define RT_VENDOR_ID2 0x7E //VENDOR ID2
//global definition
#define RT_L_MUTE (0x1<<15)
#define RT_L_ZC (0x1<<14)
#define RT_R_MUTE (0x1<<7)
#define RT_R_ZC (0x1<<6)
#define RT_M_HP_MIXER (0x1<<15) //Mute source to HP Mixer
#define RT_M_SPK_MIXER (0x1<<14) //Mute source to Speaker Mixer
#define RT_M_MONO_MIXER (0x1<<13) //Mute source to Mono Mixer
//Phone Input/MONO Output Volume(0x08)
#define M_MONO_OUT_VOL (0x1<<7)
#define M_PHONEIN_TO_HP_MIXER (0x1<<15)
//Mic Routing Control(0x10)
#define MIC2_DIFF_INPUT_CTRL (0x1<<4) //MIC2 different input control
#define M_MIC2_TO_MONO_MIXER (0x1<<5) //Mute MIC2 to MONO mixer
#define M_MIC2_TO_SPK_MIXER (0x1<<6) //Mute MiC2 to SPK mixer
#define M_MIC2_TO_HP_MIXER (0x1<<7) //Mute MIC2 to HP mixer
#define MIC1_DIFF_INPUT_CTRL (0x1<<12) //MIC1 different input control
#define M_MIC1_TO_MONO_MIXER (0x1<<13) //Mute MIC1 to MONO mixer
#define M_MIC1_TO_SPK_MIXER (0x1<<14) //Mute MiC1 to SPK mixer
#define M_MIC1_TO_HP_MIXER (0x1<<15) //Mute MIC1 to HP mixer
//ADC Record Gain(0x12)
#define ADC_R_ZC_DET (0x1<<5)
#define ADC_L_ZC_DET (0x1<<6)
//ADC Input Mixer Control(0x14)
//Output Mixer Control(0x1C)
#define MONO_INPUT_SEL_VMID (0x0<<6)
#define MONO_INPUT_SEL_HP (0x1<<6)
#define MONO_INPUT_SEL_SPK (0x2<<6)
#define MONO_INPUT_SEL_MONO (0x3<<6)
#define MONO_INPUT_SEL_MASK (0x3<<6)
#define HPL_INPUT_SEL_HPL (0x1<<9)
#define SPKL_INPUT_SEL_VMID (0x0<<14)
#define SPKL_INPUT_SEL_HPL (0x1<<14)
#define SPKL_INPUT_SEL_SPK (0x2<<14)
#define SPKL_INPUT_SEL_MONO (0x3<<14)
#define SPKL_INPUT_SEL_MASK (0x3<<14)
//Voice DAC Output Volume(0x18)
#define M_V_DAC_TO_HP_MIXER (0x1<<15)
#define M_V_DAC_TO_SPK_MIXER (0x1<<14)
#define M_V_DAC_TO_MONO_MIXER (0x1<<13)
//Advance register for Auto Volume Control Register0(0x20)
#define AVC_CH_SEL_MASK (0x1)
#define AVC_CH_SEL_L_CH (0x0)
#define AVC_CH_SEL_R_CH (0x1)
#define ENABLE_AVC_GAIN_CTRL (0x1<<15)
//Micphone Control define(0x22)
#define MIC1 1
#define MIC2 2
#define MIC_BIAS_90_PRECNET_AVDD 1
#define MIC_BIAS_75_PRECNET_AVDD 2
#define MIC1_BOOST_CONTROL_MASK (0x3<<10)
#define MIC1_BOOST_CONTROL_BYPASS (0x0<<10)
#define MIC1_BOOST_CONTROL_20DB (0x1<<10)
#define MIC1_BOOST_CONTROL_30DB (0x2<<10)
#define MIC1_BOOST_CONTROL_40DB (0x3<<10)
#define MIC2_BOOST_CONTROL_MASK (0x3<<8)
#define MIC2_BOOST_CONTROL_BYPASS (0x0<<8)
#define MIC2_BOOST_CONTROL_20DB (0x1<<8)
#define MIC2_BOOST_CONTROL_30DB (0x2<<8)
#define MIC2_BOOST_CONTROL_40DB (0x3<<8)
#define MIC1_BIAS_VOLT_CTRL_MASK (0x1<<5)
#define MIC1_BIAS_VOLT_CTRL_90P (0x0<<5)
#define MIC1_BIAS_VOLT_CTRL_75P (0x1<<5)
#define MIC2_BIAS_VOLT_CTRL_MASK (0x1<<4)
#define MIC2_BIAS_VOLT_CTRL_90P (0x0<<4)
#define MIC2_BIAS_VOLT_CTRL_75P (0x1<<4)
//PowerDown control of register(0x26)
//power management bits
#define RT_PWR_ADC (0x1) //read only
#define RT_PWR_DAC (0x1<<1) //read only
#define RT_PWR_ANL (0x1<<2) //read only
#define RT_PWR_REF (0x1<<3) //read only
#define RT_PWR_PR0 (0x1<<8) //write this bit to power down the adc
#define RT_PWR_PR1 (0x1<<9) //write this bit to power down the dac
#define RT_PWR_PR2 (0x1<<10) //write this bit to power down the mixer(vref/vrefout still on)
#define RT_PWR_PR3 (0x1<<11) //write this bit to power down the mixer(vref/vrefout out off)
#define RT_PWR_PR4 (0x1<<12) //write this bit to power down the AC-link
#define RT_PWR_PR5 (0x1<<13) //write this bit to power down the internal clock(without PLL)
#define RT_PWR_PR6 (0x1<<14) //write this bit to power down the Headphone Out and MonoOut
#define RT_PWR_PR7 (0x1<<15) //write this bit to power down the Speaker Amplifier
//Power managment addition 1 (0x3A),0:Disable,1:Enable
#define PWR_DAC_REF (0x1)
#define PWR_MAIN_BIAS (0x1<<1)
#define PWR_MIC_BIAS2 (0x1<<2)
#define PWR_MIC_BIAS1 (0x1<<3)
#define PWR_MIC_BIAS2_DET (0x1<<4)
#define PWR_MIC_BIAS1_DET (0x1<<5)
#define PWR_MAIN_I2S (0x1<<11)
#define PWR_PRE_MEASURE (0x1<<12)
#define PWR_ZC_DET_PD (0x1<<13)
#define PWR_HI_R_LOAD_HP (0x1<<14)
#define PWR_HI_R_LOAD_MONO (0x1<<15)
//Power managment addition 2(0x3C),0:Disable,1:Enable
#define PWR_R_ADC_REC_MIXER (0x1)
#define PWR_L_ADC_REC_MIXER (0x1<<1)
#define PWR_MONO_MIXER (0x1<<2)
#define PWR_SPK_MIXER (0x1<<3)
#define PWR_R_HP_MIXER (0x1<<4)
#define PWR_L_HP_MIXER (0x1<<5)
#define PWR_R_ADC_CLK_GAIN (0x1<<6)
#define PWR_L_ADC_CLK_GAIN (0x1<<7)
#define PWR_R_DAC_CLK (0x1<<8)
#define PWR_L_DAC_CLK (0x1<<9)
#define PWR_VOICE_CLOCK (0x1<<10)
#define PWR_TP_ADC (0x1<<11)
#define PWR_PLL (0x1<<12)
#define PWR_MIXER_VREF (0x1<<13)
#define PWR_CLASS_AB (0x1<<14)
#define EN_THREMAL_SHUTDOWN (0x1<<15)
//Power managment addition 3(0x3E),0:Disable,1:Enable
#define PWR_MIC2_BOOST (0x1)
#define PWR_MIC1_BOOST (0x1<<1)
#define PWR_MIC2_VOL_CTRL (0x1<<2)
#define PWR_MIC1_VOL_CTRL (0x1<<3)
#define PWR_PHONE_VOL (0x1<<4)
#define PWR_PHONE_MIXER (0x1<<5)
#define PWR_LINE_IN_R (0x1<<6)
#define PWR_LINE_IN_L (0x1<<7)
#define PWR_SPK_R_OUT (0x1<<8)
#define PWR_SPK_L_OUT (0x1<<9)
#define PWR_HP_R_OUT (0x1<<10)
#define PWR_HP_L_OUT (0x1<<11)
#define PWR_SPK_RN_OUT (0x1<<12)
#define PWR_SPK_LN_OUT (0x1<<13)
#define PWR_MONO_VOL (0x1<<14)
//Main Serial Data Port Control(0x34)
//PCM Data Format Selection
#define MAIN_I2S_DF_MASK (0x3) //main i2s Data Format mask
#define MAIN_I2S_DF_I2S (0x0) //I2S FORMAT
#define MAIN_I2S_DF_RIGHT (0x1) //RIGHT JUSTIFIED format
#define MAIN_I2S_DF_LEFT (0x2) //LEFT JUSTIFIED format
#define MAIN_I2S_DF_PCM (0x3) //PCM format
//Data Length Slection
#define MAIN_I2S_DL_MASK (0x3<<2) //main i2s Data Length mask
#define MAIN_I2S_DL_16 (0x0<<2) //16 bits
#define MAIN_I2S_DL_20 (0x1<<2) //20 bits
#define MAIN_I2S_DL_24 (0x2<<2) //24 bits
#define MAIN_I2S_DL_32 (0x3<<2) //32 bits
#define MAIN_I2S_PCM_MODE (0x1<<6) //PCM 0:mode A ,1:mode B
//Non PCM 0:Normal SADLRCK/SDALRCK,1:Invert SADLRCK/SDALRCK
#define MAIN_I2S_LINEAR_EN (0x1<<7) //0:Disable 1:Enable
//I2S DA SIGMA delta clock divider
#define MAIN_I2S_CLK_DIV_MASK (0x7<<8)
#define MAIN_I2S_CLK_DIV_2 (0x0<<8)
#define MAIN_I2S_CLK_DIV_4 (0x1<<8)
#define MAIN_I2S_CLK_DIV_8 (0x2<<8)
#define MAIN_I2S_CLK_DIV_16 (0x3<<8)
#define MAIN_I2S_CLK_DIV_32 (0x4<<8)
#define MAIN_I2S_CLK_DIV_64 (0x5<<8)
#define MAIN_I2S_DA_CLK_SOUR (0x1<<11) //0:from DA Filter,1:from DA Sigma Delta Clock Divider
#define MAIN_I2S_BCLK_POLARITY (0x1<<12) //0:Normal 1:Invert
#define MAIN_I2S_SADLRCK_CTRL (0x1<<14) //0:Disable,ADC and DAC use the same fs,1:Enable
#define MAIN_I2S_MODE_SEL (0x1<<15) //0:Master mode 1:Slave mode
//Extend Serial Data Port Control(0x36)
#define EXT_I2S_DF_MASK (0x3) //Extend i2s Data Format mask
#define EXT_I2S_DF_I2S (0x0) //I2S FORMAT
#define EXT_I2S_DF_RIGHT (0x1) //RIGHT JUSTIFIED format
#define EXT_I2S_DF_LEFT (0x2) //LEFT JUSTIFIED format
#define EXT_I2S_DF_PCM (0x3) //PCM format
//Data Length Slection
#define EXT_I2S_DL_MASK (0x3<<2) //Extend i2s Data Length mask
#define EXT_I2S_DL_16 (0x0<<2) //16 bits
#define EXT_I2S_DL_20 (0x1<<2) //20 bits
#define EXT_I2S_DL_24 (0x2<<2) //24 bits
#define EXT_I2S_DL_32 (0x3<<2) //32 bits
#define EXT_I2S_PCM_MODE (0x1<<6) //PCM 0:mode A ,1:mode B
//Non PCM 0:Normal SADLRCK/SDALRCK,1:Invert SADLRCK/SDALRCK
#define EXT_I2S_BCLK_POLARITY (0x1<<7) //0:Normal 1:Invert
#define EXT_I2S_VOICE_ADC_EN (0x1<<8) //ADC_L=Stereo, ADC_R=Voice
#define EXT_I2S_MODE_SEL (0x1<<14) //0:Master ,1:Slave
#define EXT_I2S_FUNC_ENABLE (0x1<<15) //Enable PCM interface on GPIO 1,3,4,5 0:GPIO function,1:Voice PCM interface
//General Purpose Control Register 1(0x40)
#define GP_CLK_FROM_PLL (0x1<<15) //Clock source from PLL output
#define GP_HP_AMP_CTRL_MASK (0x3<<8)
#define GP_HP_AMP_CTRL_RATIO_100 (0x0<<8) //1.00 Vdd
#define GP_HP_AMP_CTRL_RATIO_125 (0x1<<8) //1.25 Vdd
#define GP_HP_AMP_CTRL_RATIO_150 (0x2<<8) //1.50 Vdd
#define GP_SPK_D_AMP_CTRL_MASK (0x3<<6)
#define GP_SPK_D_AMP_CTRL_RATIO_175 (0x0<<6) //1.75 Vdd
#define GP_SPK_D_AMP_CTRL_RATIO_150 (0x1<<6) //1.50 Vdd
#define GP_SPK_D_AMP_CTRL_RATIO_125 (0x2<<6) //1.25 Vdd
#define GP_SPK_D_AMP_CTRL_RATIO_100 (0x3<<6) //1.00 Vdd
#define GP_SPK_AB_AMP_CTRL_MASK (0x3<<3)
#define GP_SPK_AB_AMP_CTRL_RATIO_225 (0x0<<3) //2.25 Vdd
#define GP_SPK_AB_AMP_CTRL_RATIO_200 (0x1<<3) //2.00 Vdd
#define GP_SPK_AB_AMP_CTRL_RATIO_175 (0x2<<3) //1.75 Vdd
#define GP_SPK_AB_AMP_CTRL_RATIO_150 (0x3<<3) //1.50 Vdd
#define GP_SPK_AB_AMP_CTRL_RATIO_125 (0x4<<3) //1.25 Vdd
#define GP_SPK_AB_AMP_CTRL_RATIO_100 (0x5<<3) //1.00 Vdd
//PLL Control(0x44)
#define PLL_M_CODE_MASK 0xF //PLL M code mask
#define PLL_M_CODE_0 0x0 //Div 2
#define PLL_M_CODE_1 0x1 //Div 3
#define PLL_M_CODE_2 0x2 //Div 4
#define PLL_M_CODE_3 0x3 //Div 5
#define PLL_M_CODE_4 0x4 //Div 6
#define PLL_M_CODE_5 0x5 //Div 7
#define PLL_M_CODE_6 0x6 //Div 8
#define PLL_M_CODE_7 0x7 //Div 9
#define PLL_M_CODE_8 0x8 //Div 10
#define PLL_M_CODE_9 0x9 //Div 11
#define PLL_M_CODE_A 0xA //Div 12
#define PLL_M_CODE_B 0xB //Div 13
#define PLL_M_CODE_C 0xC //Div 14
#define PLL_M_CODE_D 0xD //Div 15
#define PLL_M_CODE_E 0xE //Div 16
#define PLL_M_CODE_F 0xF //Div 17
#define PLL_K_CODE_MASK (0x7<<4) //PLL K code mask
#define PLL_K_CODE_0 (0x0<<4) //Div 2
#define PLL_K_CODE_1 (0x1<<4) //Div 3
#define PLL_K_CODE_2 (0x2<<4) //Div 4
#define PLL_K_CODE_3 (0x3<<4) //Div 5
#define PLL_K_CODE_4 (0x4<<4) //Div 6
#define PLL_K_CODE_5 (0x5<<4) //Div 7
#define PLL_K_CODE_6 (0x6<<4) //Div 8
#define PLL_K_CODE_7 (0x7<<4) //Div 9
#define PLL_BYPASS_N (0x1<<7) //bypass PLL N code
#define PLL_N_CODE_MASK (0xFF<<8) //PLL N code mask
#define PLL_N_CODE_0 (0x0<<8) //Div 2
#define PLL_N_CODE_1 (0x1<<8) //Div 3
#define PLL_N_CODE_2 (0x2<<8) //Div 4
#define PLL_N_CODE_3 (0x3<<8) //Div 5
#define PLL_N_CODE_4 (0x4<<8) //Div 6
#define PLL_N_CODE_5 (0x5<<8) //Div 7
#define PLL_N_CODE_6 (0x6<<8) //Div 8
#define PLL_N_CODE_7 (0x7<<8) //Div 9
//.....
#define PLL_N_CODE_FF (0xFF<<8) //Div 257
//PLL Control(0x44)
#define PLL_CTRL_M_VAL(m) ((m)&0xf)
#define PLL_CTRL_K_VAL(k) (((k)&0x7)<<4)
#define PLL_CTRL_N_VAL(n) (((n)&0xff)<<8)
//GPIO Pin Configuration(0x4C)
#define GPIO_1 (0x1<<1)
#define GPIO_2 (0x1<<2)
#define GPIO_3 (0x1<<3)
#define GPIO_4 (0x1<<4)
#define GPIO_5 (0x1<<5)
////INTERRUPT CONTROL(0x5E)
#define DISABLE_FAST_VREG (0x1<<15)
#define AVC_TARTGET_SEL_MASK (0x3<<12)
#define AVC_TARTGET_SEL_NONE (0x0<<12)
#define AVC_TARTGET_SEL_R (0x1<<12)
#define AVC_TARTGET_SEL_L (0x2<<12)
#define AVC_TARTGET_SEL_BOTH (0x3<<12)
//Stereo DAC Clock Control 1(0x60)
#define STEREO_DA_WCLK_DIV_MASK (1)
#define STEREO_DA_WCLK_DIV_32 (0)
#define STEREO_DA_WCLK_DIV_64 (1)
#define STEREO_AD_WCLK_DIV2_MASK (0x7<<1)
#define STEREO_AD_WCLK_DIV2_2 (0x0<<1)
#define STEREO_AD_WCLK_DIV2_4 (0x1<<1)
#define STEREO_AD_WCLK_DIV2_8 (0x2<<1)
#define STEREO_AD_WCLK_DIV2_16 (0x3<<1)
#define STEREO_AD_WCLK_DIV2_32 (0x4<<1)
#define STEREO_AD_WCLK_DIV1_MASK (0xF<<4)
#define STEREO_AD_WCLK_DIV1_1 (0x0<<4)
#define STEREO_AD_WCLK_DIV1_2 (0x1<<4)
#define STEREO_AD_WCLK_DIV1_3 (0x2<<4)
#define STEREO_AD_WCLK_DIV1_4 (0x3<<4)
#define STEREO_AD_WCLK_DIV1_5 (0x4<<4)
#define STEREO_AD_WCLK_DIV1_6 (0x5<<4)
#define STEREO_AD_WCLK_DIV1_7 (0x6<<4)
#define STEREO_AD_WCLK_DIV1_8 (0x7<<4)
#define STEREO_AD_WCLK_DIV1_9 (0x8<<4)
#define STEREO_AD_WCLK_DIV1_10 (0x9<<4)
#define STEREO_AD_WCLK_DIV1_11 (0xA<<4)
#define STEREO_AD_WCLK_DIV1_12 (0xB<<4)
#define STEREO_AD_WCLK_DIV1_13 (0xC<<4)
#define STEREO_AD_WCLK_DIV1_14 (0xD<<4)
#define STEREO_AD_WCLK_DIV1_15 (0xE<<4)
#define STEREO_AD_WCLK_DIV1_16 (0xF<<4)
#define STEREO_SCLK_DIV2_MASK (0x7<<8)
#define STEREO_SCLK_DIV2_2 (0x0<<8)
#define STEREO_SCLK_DIV2_4 (0x1<<8)
#define STEREO_SCLK_DIV2_8 (0x2<<8)
#define STEREO_SCLK_DIV2_16 (0x3<<8)
#define STEREO_SCLK_DIV2_32 (0x4<<8)
#define STEREO_SCLK_DIV1_MASK (0xF<<12)
#define STEREO_SCLK_DIV1_1 (0x0<<12)
#define STEREO_SCLK_DIV1_2 (0x1<<12)
#define STEREO_SCLK_DIV1_3 (0x2<<12)
#define STEREO_SCLK_DIV1_4 (0x3<<12)
#define STEREO_SCLK_DIV1_5 (0x4<<12)
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