dma.h File Reference

#include "../inc/hw_types.h"
#include "../inc/hw_memmap.h"
#include "../inc/hw_host_dma.h"
#include "../inc/hw_soc_aaon.h"
#include "../inc/hw_soc_aon.h"
#include "debug.h"

Include dependency graph for dma.h:

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Go to the source code of this file.

Macros
#define	DMA_NUM_CHANNELS   12
	Number of available DMA channels. More...
#define	DMA_CH_OFFSET   0x1000
	DMA channel memory map offset, in bytes. More...
#define	DMA_CHCTL_FIELD_WIDTH   HOST_DMA_CHCTL0_CH0_W
	DMA channel control field width, in number of bits (CHCTL register) More...
#define	DMA_CHCTRL_NUMBER_OF_FIELDS   (32 / DMA_CHCTL_FIELD_WIDTH)
	Number of fields in CHCTL register. More...
#define	DMA_CONFIG_SRC_PTR_WRAP   HOST_DMA_CH0JCTL_BLKMODESRC
#define	DMA_CONFIG_DST_PTR_WRAP   HOST_DMA_CH0JCTL_BLKMODEDST
#define	DMA_CONFIG_FORCE_REQ   HOST_DMA_CH0JCTL_DMASIGBPS
#define	DMA_CONFIG_SRC_PTR_FIFO   HOST_DMA_CH0JCTL_FIFOMODS
	Source pointer (FIFO mode) More...
#define	DMA_CONFIG_DST_PTR_FIFO   HOST_DMA_CH0JCTL_FIFOMODD
	Destination pointer (FIFO mode) More...
#define	DMA_CONFIG_RX   0x00000000U
	Link DMA channel to RX port of peripheral. More...
#define	DMA_CONFIG_TX   HOST_DMA_CH0JCTL_SRCDSTCFG
	Link DMA channel to TX port of peripheral. More...
#define	DMA_CONFIG_CLEAR_AT_JOB_START   HOST_DMA_CH0JCTL_ENCLR
	Enable DMA to set a rd/wr clear pulse at the beginning of a job (one cycle after run cmd) More...
#define	DMA_CONFIG_ALLOWED_MASK
	Bitmask of allowed flags passed to DMAConfigureChannel() and DMAConfigureChannelFlags(). More...
#define	DMA_WORD_SIZE_1B   2
	Word size is 1 byte. More...
#define	DMA_WORD_SIZE_2B   1
	Word size is 2 bytes. More...
#define	DMA_WORD_SIZE_4B   0
	Word size is 4 bytes. More...

Enumerations
enum	DMAPeripheral {   DMA_PERIPH_UARTLIN_0 = 0, DMA_PERIPH_UARTLIN_1 = 1, DMA_PERIPH_SPI_0 = 2, DMA_PERIPH_SPI_1 = 3,   DMA_PERIPH_I2C_0 = 4, DMA_PERIPH_I2C_1 = 5, DMA_PERIPH_SDMMC = 6, DMA_PERIPH_SDIO = 7,   DMA_PERIPH_MCAN = 8, DMA_PERIPH_ADC = 9, DMA_PERIPH_PDM = 10, DMA_PERIPH_HIF = 11,   DMA_PERIPH_UARTLIN_2 = 12, DMA_NUM_PERIPHS = 13 }
	DMA peripheral ports enumerations for use with DMAInitChannel(). More...
enum	DMAChannelStatus { DMA_HW_EVT_NO_EVENT = 0, DMA_HW_EVT_TRANS_DONE = 1, DMA_HW_EVT_ABORTED = 2, DMA_HW_EVT_EXC = 4 }
enum	DMACommand { DMA_CMD_RUN = 1, DMA_CMD_ABORT = 2, DMA_CMD_INIT = 4 }

Functions
void	DMAInitChannel (uint32_t channel, DMAPeripheral peripheral)
	Initialize DMA channel by mapping it to a peripheral. More...
void	DMAConfigureChannel (uint32_t channel, uint8_t blockSize, uint8_t wordSize, uint32_t config)
	Configure job for the specified channel. More...
void	DMAStartTransaction (uint32_t channel, const uint32_t *srcStartAddr, uint32_t *dstStartAddr, uint16_t transLenByte, bool remainingBytesBurst)
	Start job for the specified channel. More...
uint32_t	DMAGetChannelStatus (uint32_t channel)
	Returns the status of the specified channel. More...
uint32_t	DMAGetChannelDirection (uint32_t channel)
	Returns the direction of the specified channel. More...
__STATIC_INLINE void	DMAEnableInt (uint32_t channelMask)
	Enables DMA interrupt sources. More...
__STATIC_INLINE void	DMADisableInt (uint32_t channelMask)
	Disables DMA channel interrupts. More...
__STATIC_INLINE void	DMAClearInt (uint32_t channelMask)
	Clears DMA interrupt sources. More...
__STATIC_INLINE uint32_t	DMAIntStatus (bool masked)
	Gets the current interrupt status. More...
__STATIC_INLINE void	DMAConfigureChannelFlags (uint32_t channel, uint32_t config)
	Clear all flags and set the specified channel flags. More...
__STATIC_INLINE void	DMAEnableDestinationFifoMode (uint32_t channel)
	Enable FIFO mode behavior for the destination pointer. More...
__STATIC_INLINE void	DMADisableDestinationFifoMode (uint32_t channel)
	Disable FIFO mode behavior for the destination pointer. More...
__STATIC_INLINE uint32_t	DMAGetChannelPeripheral (uint32_t channel)
	Get channel linked peripheral. More...