Audio playback implementation for the QEMU audio device. More...

Functions
void	qemu_audio_irq_handler (AudioDevice *dev)
	Device interrupt handler.

Detailed Description

Audio playback implementation for the QEMU audio device.

Data Structure Documentation

struct AudioDevice

DA7212 audio device.

SF32LB52 audio device.

QEMU audio device.

Data Fields
DMA_Channel_TypeDef *	audec_dma_channel	AUDCODEC DAC DMA channel.
IRQn_Type	audec_dma_irq	AUDCODEC DAC DMA interrupt.
uint32_t	audec_dma_request	AUDCODEC DAC DMA request.
DMA_Channel_TypeDef *	audprc_dma_channel	AUDPRC DMA channel; not used by the driver.
IRQn_Type	audprc_dma_irq	AUDPRC DMA interrupt; not used by the driver.
uint32_t	audprc_dma_request	AUDPRC DMA request; not used by the driver.
uint32_t	base_addr	Base address of the device registers.
uint32_t	channels	Number of channels.
I2CSlavePort *	codec	Codec control port.
uint8_t	data_format	Sample width in bits; not used by the driver.
uint8_t	data_mode	Data mode; not used by the driver.
nrfx_i2s_t	i2s_instance	I2S instance.
uint8_t	irq_priority	I2S interrupt priority.
uint32_t	irq_priority	DAC DMA interrupt priority.
int	irqn	Device interrupt number.
uint32_t	lrck_pin	I2S LRCK pin, to the codec WCLK.
uint32_t	mck_pin	I2S MCK pin, to the codec MCLK.
OutputConfig	pa_ctrl	Power amplifier enable output.
const BoardPowerOps *	power_ops	Board power hooks, or NULL.
uint32_t	samplerate	Sample rate in Hz.
uint32_t	sck_pin	I2S SCK pin, to the codec BCLK.
uint32_t	sdin_pin	I2S SDIN pin, or `NRF_I2S_PIN_NOT_CONNECTED`.
uint32_t	sdout_pin	I2S SDOUT pin, to the codec DATA_IN.
AudioDeviceState *	state	Driver runtime state.

void qemu_audio_irq_handler ( AudioDevice * dev )

Device interrupt handler.

Parameters

dev	Audio device.