#include "fsl_edma.h"

Include dependency graph for fsl_edma.c:

Macros
#define	EDMA_TRANSFER_ENABLED_MASK 0x80U

#define	FSL_COMPONENT_ID "platform.drivers.edma"

Functions
void	EDMA_AbortTransfer (edma_handle_t *handle)
	eDMA aborts transfer. More...

void	EDMA_ClearChannelStatusFlags (DMA_Type *base, uint32_t channel, uint32_t mask)
	Clears the eDMA channel status flags. More...

void	EDMA_CreateHandle (edma_handle_t handle, DMA_Type base, uint32_t channel)
	Creates the eDMA handle. More...

void	EDMA_Deinit (DMA_Type *base)
	Deinitializes the eDMA peripheral. More...

void	EDMA_DisableChannelInterrupts (DMA_Type *base, uint32_t channel, uint32_t mask)
	Disables the interrupt source for the eDMA transfer. More...

void	EDMA_EnableChannelInterrupts (DMA_Type *base, uint32_t channel, uint32_t mask)
	Enables the interrupt source for the eDMA transfer. More...

uint32_t	EDMA_GetChannelStatusFlags (DMA_Type *base, uint32_t channel)
	Gets the eDMA channel status flags. More...

void	EDMA_GetDefaultConfig (edma_config_t *config)
	Gets the eDMA default configuration structure. More...

static uint32_t	EDMA_GetInstance (DMA_Type *base)

static uint32_t	EDMA_GetInstanceOffset (uint32_t instance)
	Get instance offset. More...

uint32_t	EDMA_GetRemainingMajorLoopCount (DMA_Type *base, uint32_t channel)
	Gets the remaining major loop count from the eDMA current channel TCD. More...

void	EDMA_HandleIRQ (edma_handle_t *handle)
	eDMA IRQ handler for the current major loop transfer completion. More...

void	EDMA_Init (DMA_Type base, const edma_config_t config)
	Initializes the eDMA peripheral. More...

void	EDMA_InstallTCD (DMA_Type base, uint32_t channel, edma_tcd_t tcd)
	Push content of TCD structure into hardware TCD register. More...

void	EDMA_InstallTCDMemory (edma_handle_t handle, edma_tcd_t tcdPool, uint32_t tcdSize)
	Installs the TCDs memory pool into the eDMA handle. More...

void	EDMA_PrepareTransfer (edma_transfer_config_t config, void srcAddr, uint32_t srcWidth, void *destAddr, uint32_t destWidth, uint32_t bytesEachRequest, uint32_t transferBytes, edma_transfer_type_t type)
	Prepares the eDMA transfer structure. More...

void	EDMA_PrepareTransferConfig (edma_transfer_config_t config, void srcAddr, uint32_t srcWidth, int16_t srcOffset, void *destAddr, uint32_t destWidth, int16_t destOffset, uint32_t bytesEachRequest, uint32_t transferBytes)
	Prepares the eDMA transfer structure configurations. More...

void	EDMA_ResetChannel (DMA_Type *base, uint32_t channel)
	Sets all TCD registers to default values. More...

void	EDMA_SetBandWidth (DMA_Type *base, uint32_t channel, edma_bandwidth_t bandWidth)
	Sets the bandwidth for the eDMA transfer. More...

void	EDMA_SetCallback (edma_handle_t handle, edma_callback callback, void userData)
	Installs a callback function for the eDMA transfer. More...

void	EDMA_SetChannelLink (DMA_Type *base, uint32_t channel, edma_channel_link_type_t type, uint32_t linkedChannel)
	Sets the channel link for the eDMA transfer. More...

void	EDMA_SetChannelPreemptionConfig (DMA_Type base, uint32_t channel, const edma_channel_Preemption_config_t config)
	Configures the eDMA channel preemption feature. More...

void	EDMA_SetMinorOffsetConfig (DMA_Type base, uint32_t channel, const edma_minor_offset_config_t config)
	Configures the eDMA minor offset feature. More...

void	EDMA_SetModulo (DMA_Type *base, uint32_t channel, edma_modulo_t srcModulo, edma_modulo_t destModulo)
	Sets the source modulo and the destination modulo for the eDMA transfer. More...

void	EDMA_SetTransferConfig (DMA_Type base, uint32_t channel, const edma_transfer_config_t config, edma_tcd_t *nextTcd)
	Configures the eDMA transfer attribute. More...

void	EDMA_StartTransfer (edma_handle_t *handle)
	eDMA starts transfer. More...

void	EDMA_StopTransfer (edma_handle_t *handle)
	eDMA stops transfer. More...

status_t	EDMA_SubmitTransfer (edma_handle_t handle, const edma_transfer_config_t config)
	Submits the eDMA transfer request. More...

void	EDMA_TcdDisableInterrupts (edma_tcd_t *tcd, uint32_t mask)
	Disables the interrupt source for the eDMA TCD. More...

void	EDMA_TcdEnableInterrupts (edma_tcd_t *tcd, uint32_t mask)
	Enables the interrupt source for the eDMA TCD. More...

void	EDMA_TcdReset (edma_tcd_t *tcd)
	Sets all fields to default values for the TCD structure. More...

void	EDMA_TcdSetChannelLink (edma_tcd_t *tcd, edma_channel_link_type_t type, uint32_t linkedChannel)
	Sets the channel link for the eDMA TCD. More...

void	EDMA_TcdSetMinorOffsetConfig (edma_tcd_t tcd, const edma_minor_offset_config_t config)
	Configures the eDMA TCD minor offset feature. More...

void	EDMA_TcdSetModulo (edma_tcd_t *tcd, edma_modulo_t srcModulo, edma_modulo_t destModulo)
	Sets the source modulo and the destination modulo for the eDMA TCD. More...

void	EDMA_TcdSetTransferConfig (edma_tcd_t tcd, const edma_transfer_config_t config, edma_tcd_t *nextTcd)
	Configures the eDMA TCD transfer attribute. More...

static edma_transfer_size_t	EDMA_TransferWidthMapping (uint32_t width)
	Map transfer width. More...

Variables
static DMA_Type *const	s_edmaBases [] = DMA_BASE_PTRS
	Array to map EDMA instance number to base pointer. More...

static const clock_ip_name_t	s_edmaClockName [] = EDMA_CLOCKS
	Array to map EDMA instance number to clock name. More...

static edma_handle_t *	s_EDMAHandle [FSL_FEATURE_EDMA_MODULE_CHANNEL *FSL_FEATURE_SOC_EDMA_COUNT]
	Pointers to transfer handle for each EDMA channel. More...

static const IRQn_Type	s_edmaIRQNumber [][FSL_FEATURE_EDMA_MODULE_CHANNEL] = DMA_CHN_IRQS
	Array to map EDMA instance number to IRQ number. More...

Macro Definition Documentation

◆ EDMA_TRANSFER_ENABLED_MASK

#define EDMA_TRANSFER_ENABLED_MASK 0x80U

Definition at line 20 of file fsl_edma.c.

◆ FSL_COMPONENT_ID

#define FSL_COMPONENT_ID "platform.drivers.edma"

Definition at line 17 of file fsl_edma.c.

Function Documentation

◆ EDMA_GetInstance()

static uint32_t EDMA_GetInstance ( DMA_Type * base )

static

Definition at line 61 of file fsl_edma.c.

◆ EDMA_GetInstanceOffset()

static uint32_t EDMA_GetInstanceOffset ( uint32_t instance )

static

Get instance offset.

Parameters

instance EDMA peripheral instance number.

Definition at line 760 of file fsl_edma.c.

◆ EDMA_TransferWidthMapping()

static edma_transfer_size_t EDMA_TransferWidthMapping ( uint32_t width )

static

Map transfer width.

Parameters

width transfer width.

Definition at line 875 of file fsl_edma.c.

Variable Documentation

◆ s_edmaBases

DMA_Type* const s_edmaBases[] = DMA_BASE_PTRS

static

Array to map EDMA instance number to base pointer.

Definition at line 44 of file fsl_edma.c.

◆ s_edmaClockName

const clock_ip_name_t s_edmaClockName[] = EDMA_CLOCKS

static

Array to map EDMA instance number to clock name.

Definition at line 48 of file fsl_edma.c.

◆ s_EDMAHandle

edma_handle_t* s_EDMAHandle[FSL_FEATURE_EDMA_MODULE_CHANNEL *FSL_FEATURE_SOC_EDMA_COUNT]

static

Pointers to transfer handle for each EDMA channel.

Definition at line 55 of file fsl_edma.c.

◆ s_edmaIRQNumber

const IRQn_Type s_edmaIRQNumber[][FSL_FEATURE_EDMA_MODULE_CHANNEL] = DMA_CHN_IRQS

static

Array to map EDMA instance number to IRQ number.

Definition at line 52 of file fsl_edma.c.

Macros

Functions

Variables

Macro Definition Documentation

◆ EDMA_TRANSFER_ENABLED_MASK

◆ FSL_COMPONENT_ID

Function Documentation

◆ EDMA_GetInstance()

◆ EDMA_GetInstanceOffset()

◆ EDMA_TransferWidthMapping()

Variable Documentation

◆ s_edmaBases

◆ s_edmaClockName

◆ s_EDMAHandle

◆ s_edmaIRQNumber