Overview

The wm8904 adapter provides a codec unify control interface.

Macros
#define	HAL_CODEC_WM8904_HANDLER_SIZE (WM8904_I2C_HANDLER_SIZE + 4)
	codec handler size

Functions
status_t	HAL_CODEC_WM8904_Init (void handle, void config)
	Codec initilization. More...

status_t	HAL_CODEC_WM8904_Deinit (void *handle)
	Codec de-initilization. More...

status_t	HAL_CODEC_WM8904_SetFormat (void *handle, uint32_t mclk, uint32_t sampleRate, uint32_t bitWidth)
	set audio data format. More...

status_t	HAL_CODEC_WM8904_SetVolume (void *handle, uint32_t playChannel, uint32_t volume)
	set audio codec module volume. More...

status_t	HAL_CODEC_WM8904_SetMute (void *handle, uint32_t playChannel, bool isMute)
	set audio codec module mute. More...

status_t	HAL_CODEC_WM8904_SetPower (void *handle, uint32_t module, bool powerOn)
	set audio codec module power. More...

status_t	HAL_CODEC_WM8904_SetRecord (void *handle, uint32_t recordSource)
	codec set record source. More...

status_t	HAL_CODEC_WM8904_SetRecordChannel (void *handle, uint32_t leftRecordChannel, uint32_t rightRecordChannel)
	codec set record channel. More...

status_t	HAL_CODEC_WM8904_SetPlay (void *handle, uint32_t playSource)
	codec set play source. More...

status_t	HAL_CODEC_WM8904_ModuleControl (void *handle, uint32_t cmd, uint32_t data)
	codec module control. More...

static status_t	HAL_CODEC_Init (void handle, void config)
	Codec initilization. More...

static status_t	HAL_CODEC_Deinit (void *handle)
	Codec de-initilization. More...

static status_t	HAL_CODEC_SetFormat (void *handle, uint32_t mclk, uint32_t sampleRate, uint32_t bitWidth)
	set audio data format. More...

static status_t	HAL_CODEC_SetVolume (void *handle, uint32_t playChannel, uint32_t volume)
	set audio codec module volume. More...

static status_t	HAL_CODEC_SetMute (void *handle, uint32_t playChannel, bool isMute)
	set audio codec module mute. More...

static status_t	HAL_CODEC_SetPower (void *handle, uint32_t module, bool powerOn)
	set audio codec module power. More...

static status_t	HAL_CODEC_SetRecord (void *handle, uint32_t recordSource)
	codec set record source. More...

static status_t	HAL_CODEC_SetRecordChannel (void *handle, uint32_t leftRecordChannel, uint32_t rightRecordChannel)
	codec set record channel. More...

static status_t	HAL_CODEC_SetPlay (void *handle, uint32_t playSource)
	codec set play source. More...

static status_t	HAL_CODEC_ModuleControl (void *handle, uint32_t cmd, uint32_t data)
	codec module control. More...

Function Documentation

status_t HAL_CODEC_WM8904_Init	(	void *	handle,
		void *	config
	)

Parameters

handle	codec handle.
config	codec configuration.

Returns: kStatus_Success is success, else initial failed.

status_t HAL_CODEC_WM8904_Deinit ( void * handle )

Parameters

handle codec handle.

Returns: kStatus_Success is success, else de-initial failed.

status_t HAL_CODEC_WM8904_SetFormat	(	void *	handle,
		uint32_t	mclk,
		uint32_t	sampleRate,
		uint32_t	bitWidth
	)

Parameters

handle	codec handle.
mclk	master clock frequency in HZ.
sampleRate	sample rate in HZ.
bitWidth	bit width.

Returns: kStatus_Success is success, else configure failed.

status_t HAL_CODEC_WM8904_SetVolume	(	void *	handle,
		uint32_t	playChannel,
		uint32_t	volume
	)

Parameters

handle	codec handle.
playChannel	audio codec play channel, can be a value or combine value of _codec_play_channel.
volume	volume value, support 0 ~ 100, 0 is mute, 100 is the maximum volume value.

Returns: kStatus_Success is success, else configure failed.

status_t HAL_CODEC_WM8904_SetMute	(	void *	handle,
		uint32_t	playChannel,
		bool	isMute
	)

Parameters

handle	codec handle.
playChannel	audio codec play channel, can be a value or combine value of _codec_play_channel.
isMute	true is mute, false is unmute.

Returns: kStatus_Success is success, else configure failed.

status_t HAL_CODEC_WM8904_SetPower	(	void *	handle,
		uint32_t	module,
		bool	powerOn
	)

Parameters

handle	codec handle.
module	audio codec module.
powerOn	true is power on, false is power down.

Returns: kStatus_Success is success, else configure failed.

status_t HAL_CODEC_WM8904_SetRecord	(	void *	handle,
		uint32_t	recordSource
	)

Parameters

handle	codec handle.
recordSource	audio codec record source, can be a value or combine value of _codec_record_source.

Returns: kStatus_Success is success, else configure failed.

status_t HAL_CODEC_WM8904_SetRecordChannel	(	void *	handle,
		uint32_t	leftRecordChannel,
		uint32_t	rightRecordChannel
	)

Parameters

handle	codec handle.
leftRecordChannel	audio codec record channel, reference _codec_record_channel, can be a value or combine value of member in _codec_record_channel.
rightRecordChannel	audio codec record channel, reference _codec_record_channel, can be a value combine of member in _codec_record_channel.

Returns: kStatus_Success is success, else configure failed.

status_t HAL_CODEC_WM8904_SetPlay	(	void *	handle,
		uint32_t	playSource
	)

Parameters

handle	codec handle.
playSource	audio codec play source, can be a value or combine value of _codec_play_source.

Returns: kStatus_Success is success, else configure failed.

status_t HAL_CODEC_WM8904_ModuleControl	(	void *	handle,
		uint32_t	cmd,
		uint32_t	data
	)

This function is used for codec module control, support switch digital interface cmd, can be expand to support codec module specific feature

Parameters

handle	codec handle.
cmd	module control cmd, reference _codec_module_ctrl_cmd.
data	value to write, when cmd is kCODEC_ModuleRecordSourceChannel, the data should be a value combine of channel and source, please reference macro CODEC_MODULE_RECORD_SOURCE_CHANNEL(source, LP, LN, RP, RN), reference codec specific driver for detail configurations.

Returns: kStatus_Success is success, else configure failed.

static status_t HAL_CODEC_Init	(	void *	handle,
		void *	config
	)

inlinestatic

Parameters

handle	codec handle.
config	codec configuration.

Returns: kStatus_Success is success, else initial failed.

static status_t HAL_CODEC_Deinit ( void * handle )

inlinestatic

Parameters

handle codec handle.

Returns: kStatus_Success is success, else de-initial failed.

static status_t HAL_CODEC_SetFormat	(	void *	handle,
		uint32_t	mclk,
		uint32_t	sampleRate,
		uint32_t	bitWidth
	)

inlinestatic

Parameters

handle	codec handle.
mclk	master clock frequency in HZ.
sampleRate	sample rate in HZ.
bitWidth	bit width.

Returns: kStatus_Success is success, else configure failed.

static status_t HAL_CODEC_SetVolume	(	void *	handle,
		uint32_t	playChannel,
		uint32_t	volume
	)

inlinestatic

Parameters

handle	codec handle.
playChannel	audio codec play channel, can be a value or combine value of _codec_play_channel.
volume	volume value, support 0 ~ 100, 0 is mute, 100 is the maximum volume value.

Returns: kStatus_Success is success, else configure failed.

static status_t HAL_CODEC_SetMute	(	void *	handle,
		uint32_t	playChannel,
		bool	isMute
	)

inlinestatic

Parameters

handle	codec handle.
playChannel	audio codec play channel, can be a value or combine value of _codec_play_channel.
isMute	true is mute, false is unmute.

Returns: kStatus_Success is success, else configure failed.

static status_t HAL_CODEC_SetPower	(	void *	handle,
		uint32_t	module,
		bool	powerOn
	)

inlinestatic

Parameters

handle	codec handle.
module	audio codec module.
powerOn	true is power on, false is power down.

Returns: kStatus_Success is success, else configure failed.

static status_t HAL_CODEC_SetRecord	(	void *	handle,
		uint32_t	recordSource
	)

inlinestatic

Parameters

handle	codec handle.
recordSource	audio codec record source, can be a value or combine value of _codec_record_source.

Returns: kStatus_Success is success, else configure failed.

static status_t HAL_CODEC_SetRecordChannel	(	void *	handle,
		uint32_t	leftRecordChannel,
		uint32_t	rightRecordChannel
	)

inlinestatic

Parameters

handle	codec handle.
leftRecordChannel	audio codec record channel, reference _codec_record_channel, can be a value or combine value of member in _codec_record_channel.
rightRecordChannel	audio codec record channel, reference _codec_record_channel, can be a value combine of member in _codec_record_channel.

Returns: kStatus_Success is success, else configure failed.

static status_t HAL_CODEC_SetPlay	(	void *	handle,
		uint32_t	playSource
	)

inlinestatic

Parameters

handle	codec handle.
playSource	audio codec play source, can be a value or combine value of _codec_play_source.

Returns: kStatus_Success is success, else configure failed.

static status_t HAL_CODEC_ModuleControl	(	void *	handle,
		uint32_t	cmd,
		uint32_t	data
	)

inlinestatic

This function is used for codec module control, support switch digital interface cmd, can be expand to support codec module specific feature

Parameters

handle	codec handle.
cmd	module control cmd, reference _codec_module_ctrl_cmd.
data	value to write, when cmd is kCODEC_ModuleRecordSourceChannel, the data should be a value combine of channel and source, please reference macro CODEC_MODULE_RECORD_SOURCE_CHANNEL(source, LP, LN, RP, RN), reference codec specific driver for detail configurations.

Returns: kStatus_Success is success, else configure failed.

Overview

Macros

Functions

Function Documentation