Overview

The da7212 driver provides a codec control interface.

Data Structures
struct	_da7212_pll_config
	da7212 pll configuration More...

struct	_da7212_audio_format
	da7212 audio format More...

struct	da7212_config
	DA7212 configure structure. More...

struct	_da7212_handle
	da7212 codec handler More...

Macros
#define	DA7212_I2C_HANDLER_SIZE CODEC_I2C_MASTER_HANDLER_SIZE
	da7212 handle size

#define	DA7212_ADDRESS (0x1A)
	DA7212 I2C address.

#define	DA7212_HEADPHONE_MAX_VOLUME_VALUE 0x3FU
	da7212 volume setting range

Typedefs
typedef enum _da7212_Input	da7212_Input_t
	DA7212 input source select.

typedef enum _da7212_Output	da7212_Output_t
	DA7212 output device select.

typedef enum _da7212_dac_source	da7212_dac_source_t
	DA7212 functionality.

typedef enum _da7212_volume	da7212_volume_t
	DA7212 volume.

typedef enum _da7212_protocol	da7212_protocol_t
	The audio data transfer protocol choice.

typedef enum _da7212_sys_clk_source	da7212_sys_clk_source_t
	da7212 system clock source

typedef enum _da7212_pll_clk_source	da7212_pll_clk_source_t
	DA7212 pll clock source.

typedef enum _da7212_pll_out_clk	da7212_pll_out_clk_t
	DA7212 output clock frequency.

typedef enum _da7212_master_bits	da7212_master_bits_t
	master mode bits per frame

typedef struct _da7212_pll_config	da7212_pll_config_t
	da7212 pll configuration

typedef struct _da7212_audio_format	da7212_audio_format_t
	da7212 audio format

typedef struct da7212_config	da7212_config_t
	DA7212 configure structure.

typedef struct _da7212_handle	da7212_handle_t
	da7212 codec handler

Enumerations
enum	_da7212_Input { kDA7212_Input_AUX = 0x0, kDA7212_Input_MIC1_Dig, kDA7212_Input_MIC1_An, kDA7212_Input_MIC2 }
	DA7212 input source select. More...

enum	_da7212_play_channel { kDA7212_HeadphoneLeft = 1U, kDA7212_HeadphoneRight = 2U, kDA7212_Speaker = 4U }
	da7212 play channel More...

enum	_da7212_Output { kDA7212_Output_HP = 0x0, kDA7212_Output_SP }
	DA7212 output device select. More...

enum	_da7212_module { kDA7212_ModuleADC, kDA7212_ModuleDAC, kDA7212_ModuleHeadphone, kDA7212_ModuleSpeaker }
	DA7212 module. More...

enum	_da7212_dac_source { kDA7212_DACSourceADC = 0x0U, kDA7212_DACSourceInputStream = 0x3U }
	DA7212 functionality. More...

enum	_da7212_volume { kDA7212_DACGainMute = 0x7, kDA7212_DACGainM72DB = 0x17, kDA7212_DACGainM60DB = 0x1F, kDA7212_DACGainM54DB = 0x27, kDA7212_DACGainM48DB = 0x2F, kDA7212_DACGainM42DB = 0x37, kDA7212_DACGainM36DB = 0x3F, kDA7212_DACGainM30DB = 0x47, kDA7212_DACGainM24DB = 0x4F, kDA7212_DACGainM18DB = 0x57, kDA7212_DACGainM12DB = 0x5F, kDA7212_DACGainM6DB = 0x67, kDA7212_DACGain0DB = 0x6F, kDA7212_DACGain6DB = 0x77, kDA7212_DACGain12DB = 0x7F }
	DA7212 volume. More...

enum	_da7212_protocol { kDA7212_BusI2S = 0x0, kDA7212_BusLeftJustified, kDA7212_BusRightJustified, kDA7212_BusDSPMode }
	The audio data transfer protocol choice. More...

enum	_da7212_sys_clk_source { kDA7212_SysClkSourceMCLK = 0U, kDA7212_SysClkSourcePLL = 1U << 14 }
	da7212 system clock source More...

enum	_da7212_pll_clk_source { kDA7212_PLLClkSourceMCLK = 0U }
	DA7212 pll clock source. More...

enum	_da7212_pll_out_clk { kDA7212_PLLOutputClk11289600 = 11289600U, kDA7212_PLLOutputClk12288000 = 12288000U }
	DA7212 output clock frequency. More...

enum	_da7212_master_bits { kDA7212_MasterBits32PerFrame = 0U, kDA7212_MasterBits64PerFrame = 1U, kDA7212_MasterBits128PerFrame = 2U, kDA7212_MasterBits256PerFrame = 3U }
	master mode bits per frame More...

Functions
status_t	DA7212_Init (da7212_handle_t handle, da7212_config_t codecConfig)
	DA7212 initialize function. More...

status_t	DA7212_ConfigAudioFormat (da7212_handle_t *handle, uint32_t masterClock_Hz, uint32_t sampleRate_Hz, uint32_t dataBits)
	Set DA7212 audio format. More...

status_t	DA7212_SetPLLConfig (da7212_handle_t handle, da7212_pll_config_t config)
	DA7212 set PLL configuration This function will enable the GPIO1 FLL clock output function, so user can see the generated fll output clock frequency from WM8904 GPIO1. More...

void	DA7212_ChangeHPVolume (da7212_handle_t *handle, da7212_volume_t volume)
	Set DA7212 playback volume. More...

void	DA7212_Mute (da7212_handle_t *handle, bool isMuted)
	Mute or unmute DA7212. More...

void	DA7212_ChangeInput (da7212_handle_t *handle, da7212_Input_t DA7212_Input)
	Set the input data source of DA7212. More...

void	DA7212_ChangeOutput (da7212_handle_t *handle, da7212_Output_t DA7212_Output)
	Set the output device of DA7212. More...

status_t	DA7212_SetChannelVolume (da7212_handle_t *handle, uint32_t channel, uint32_t volume)
	Set module volume. More...

status_t	DA7212_SetChannelMute (da7212_handle_t *handle, uint32_t channel, bool isMute)
	Set module mute. More...

status_t	DA7212_SetProtocol (da7212_handle_t *handle, da7212_protocol_t protocol)
	Set protocol for DA7212. More...

status_t	DA7212_SetMasterModeBits (da7212_handle_t *handle, uint32_t bitWidth)
	Set master mode bits per frame for DA7212. More...

status_t	DA7212_WriteRegister (da7212_handle_t *handle, uint8_t u8Register, uint8_t u8RegisterData)
	Write a register for DA7212. More...

status_t	DA7212_ReadRegister (da7212_handle_t handle, uint8_t u8Register, uint8_t pu8RegisterData)
	Get a register value of DA7212. More...

status_t	DA7212_Deinit (da7212_handle_t *handle)
	Deinit DA7212. More...

Driver version
#define	FSL_DA7212_DRIVER_VERSION (MAKE_VERSION(2, 3, 1))
	CLOCK driver version 2.3.0. More...

Data Structure Documentation

struct _da7212_pll_config

Data Fields
da7212_pll_clk_source_t	source
	pll reference clock source

uint32_t	refClock_HZ
	pll reference clock frequency

da7212_pll_out_clk_t	outputClock_HZ
	pll output clock frequency

struct _da7212_audio_format

Data Fields
uint32_t	mclk_HZ
	master clock frequency

uint32_t	sampleRate
	sample rate

uint32_t	bitWidth
	bit width

bool	isBclkInvert
	bit clock intervet

struct da7212_config

Data Fields
bool	isMaster
	If DA7212 is master, true means master, false means slave. More...

da7212_protocol_t	protocol
	Audio bus format, can be I2S, LJ, RJ or DSP mode. More...

da7212_dac_source_t	dacSource
	DA7212 data source. More...

da7212_audio_format_t	format
	audio format

uint8_t	slaveAddress
	device address

codec_i2c_config_t	i2cConfig
	i2c configuration

da7212_sys_clk_source_t	sysClkSource
	system clock source

da7212_pll_config_t *	pll
	pll configuration

da7212_Input_t	inputSource
	AD212 input source.

Field Documentation

bool da7212_config::isMaster

da7212_protocol_t da7212_config::protocol

da7212_dac_source_t da7212_config::dacSource

struct _da7212_handle

Data Fields
da7212_config_t *	config
	da7212 config pointer

uint8_t	i2cHandle [DA7212_I2C_HANDLER_SIZE]
	i2c handle

Macro Definition Documentation

#define FSL_DA7212_DRIVER_VERSION (MAKE_VERSION(2, 3, 1))

Enumeration Type Documentation

enum _da7212_Input

Enumerator
kDA7212_Input_AUX	Input from AUX.
kDA7212_Input_MIC1_Dig	Input from MIC1 Digital.
kDA7212_Input_MIC1_An	Input from Mic1 Analog.
kDA7212_Input_MIC2	Input from MIC2.

enum _da7212_play_channel

Enumerator
kDA7212_HeadphoneLeft	headphone left
kDA7212_HeadphoneRight	headphone right
kDA7212_Speaker	speaker channel

enum _da7212_Output

Enumerator
kDA7212_Output_HP	Output to headphone.
kDA7212_Output_SP	Output to speaker.

enum _da7212_module

Enumerator
kDA7212_ModuleADC	module ADC
kDA7212_ModuleDAC	module DAC
kDA7212_ModuleHeadphone	module headphone
kDA7212_ModuleSpeaker	module speaker

enum _da7212_dac_source

Enumerator
kDA7212_DACSourceADC	DAC source from ADC.
kDA7212_DACSourceInputStream	DAC source from.

enum _da7212_volume

Enumerator
kDA7212_DACGainMute	Mute DAC.
kDA7212_DACGainM72DB	DAC volume -72db.
kDA7212_DACGainM60DB	DAC volume -60db.
kDA7212_DACGainM54DB	DAC volume -54db.
kDA7212_DACGainM48DB	DAC volume -48db.
kDA7212_DACGainM42DB	DAC volume -42db.
kDA7212_DACGainM36DB	DAC volume -36db.
kDA7212_DACGainM30DB	DAC volume -30db.
kDA7212_DACGainM24DB	DAC volume -24db.
kDA7212_DACGainM18DB	DAC volume -18db.
kDA7212_DACGainM12DB	DAC volume -12db.
kDA7212_DACGainM6DB	DAC volume -6bb.
kDA7212_DACGain0DB	DAC volume +0db.
kDA7212_DACGain6DB	DAC volume +6db.
kDA7212_DACGain12DB	DAC volume +12db.

enum _da7212_protocol

Enumerator
kDA7212_BusI2S	I2S Type.
kDA7212_BusLeftJustified	Left justified.
kDA7212_BusRightJustified	Right Justified.
kDA7212_BusDSPMode	DSP mode.

enum _da7212_sys_clk_source

Enumerator
kDA7212_SysClkSourceMCLK	da7212 system clock soure from MCLK
kDA7212_SysClkSourcePLL	da7212 system clock soure from pLL

enum _da7212_pll_clk_source

Enumerator
kDA7212_PLLClkSourceMCLK	DA7212 PLL clock source from MCLK.

enum _da7212_pll_out_clk

Enumerator
kDA7212_PLLOutputClk11289600	output 112896000U
kDA7212_PLLOutputClk12288000	output 12288000U

enum _da7212_master_bits

Enumerator
kDA7212_MasterBits32PerFrame	master mode bits32 per frame
kDA7212_MasterBits64PerFrame	master mode bits64 per frame
kDA7212_MasterBits128PerFrame	master mode bits128 per frame
kDA7212_MasterBits256PerFrame	master mode bits256 per frame

Function Documentation

status_t DA7212_Init	(	da7212_handle_t *	handle,
		da7212_config_t *	codecConfig
	)

Parameters

handle	DA7212 handle pointer.
codecConfig	Codec configure structure. This parameter can be NULL, if NULL, set as default settings. The default setting: * sgtl_init_t codec_config * codec_config.route = kDA7212_RoutePlayback * codec_config.bus = kDA7212_BusI2S * codec_config.isMaster = false *

status_t DA7212_ConfigAudioFormat	(	da7212_handle_t *	handle,
		uint32_t	masterClock_Hz,
		uint32_t	sampleRate_Hz,
		uint32_t	dataBits
	)

Parameters

handle	DA7212 handle pointer.
masterClock_Hz	Master clock frequency in Hz. If DA7212 is slave, use the frequency of master, if DA7212 as master, it should be 1228000 while sample rate frequency is 8k/12K/16K/24K/32K/48K/96K, 11289600 whie sample rate is 11.025K/22.05K/44.1K
sampleRate_Hz	Sample rate frequency in Hz.
dataBits	How many bits in a word of a audio frame, DA7212 only supports 16/20/24/32 bits.

status_t DA7212_SetPLLConfig	(	da7212_handle_t *	handle,
		da7212_pll_config_t *	config
	)

Parameters

handle	DA7212 handler pointer.
config	PLL configuration pointer.

void DA7212_ChangeHPVolume	(	da7212_handle_t *	handle,
		da7212_volume_t	volume
	)

Parameters

handle	DA7212 handle pointer.
volume	The volume of playback.

void DA7212_Mute	(	da7212_handle_t *	handle,
		bool	isMuted
	)

Parameters

handle	DA7212 handle pointer.
isMuted	True means mute, false means unmute.

void DA7212_ChangeInput	(	da7212_handle_t *	handle,
		da7212_Input_t	DA7212_Input
	)

Parameters

handle	DA7212 handle pointer.
DA7212_Input	Input data source.

void DA7212_ChangeOutput	(	da7212_handle_t *	handle,
		da7212_Output_t	DA7212_Output
	)

Parameters

handle	DA7212 handle pointer.
DA7212_Output	Output device of DA7212.

status_t DA7212_SetChannelVolume	(	da7212_handle_t *	handle,
		uint32_t	channel,
		uint32_t	volume
	)

Parameters

handle	DA7212 handle pointer.
channel	shoule be a value of _da7212_channel.
volume	volume range 0 - 0x3F mapped to range -57dB - 6dB.

status_t DA7212_SetChannelMute	(	da7212_handle_t *	handle,
		uint32_t	channel,
		bool	isMute
	)

Parameters

handle	DA7212 handle pointer.
channel	shoule be a value of _da7212_channel.
isMute	true is mute, false is unmute.

status_t DA7212_SetProtocol	(	da7212_handle_t *	handle,
		da7212_protocol_t	protocol
	)

Parameters

handle	DA7212 handle pointer.
protocol	da7212_protocol_t.

status_t DA7212_SetMasterModeBits	(	da7212_handle_t *	handle,
		uint32_t	bitWidth
	)

Parameters

handle	DA7212 handle pointer.
bitWidth	audio data bitwidth.

status_t DA7212_WriteRegister	(	da7212_handle_t *	handle,
		uint8_t	u8Register,
		uint8_t	u8RegisterData
	)

Parameters

handle	DA7212 handle pointer.
u8Register	DA7212 register address to be written.
u8RegisterData	Data to be written into regsiter

status_t DA7212_ReadRegister	(	da7212_handle_t *	handle,
		uint8_t	u8Register,
		uint8_t *	pu8RegisterData
	)

Parameters

handle	DA7212 handle pointer.
u8Register	DA7212 register address to be read.
pu8RegisterData	Pointer where the read out value to be stored.

status_t DA7212_Deinit ( da7212_handle_t * handle )

Parameters

handle DA7212 handle pointer.

Overview

Data Structures

Macros

Typedefs

Enumerations

Functions

Driver version

Data Structure Documentation

Data Fields

Data Fields

Data Fields

Field Documentation

Data Fields

Macro Definition Documentation

Enumeration Type Documentation

Function Documentation