Udma_RingObject Struct Reference

Detailed Description

UDMA ring object.

Note: This is an internal/private driver structure and should not be used or modified by caller.

Data Fields
Udma_DrvHandle	drvHandle
uint16_t	ringNum
CSL_RingAccRingCfg	cfg
volatile CSL_ringacc_cfgRegs_RING *	pCfgRegs
volatile CSL_ringacc_rtRegs_RINGRT *	pRtRegs
uintptr_t	proxyAddr
uint32_t	ringInitDone
uint32_t	mappedRingGrp
uint32_t	mappedChNum

Field Documentation

drvHandle

Udma_DrvHandle Udma_RingObject::drvHandle

Pointer to global driver handle.

ringNum

uint16_t Udma_RingObject::ringNum

Ring number

cfg

CSL_RingAccRingCfg Udma_RingObject::cfg

Ring config

pCfgRegs

volatile CSL_ringacc_cfgRegs_RING* Udma_RingObject::pCfgRegs

Pointer to RA config register overlay

pRtRegs

volatile CSL_ringacc_rtRegs_RINGRT* Udma_RingObject::pRtRegs

Pointer to RA RT config register overlay

proxyAddr

uintptr_t Udma_RingObject::proxyAddr

Proxy address for push/pop ring operation through proxy

ringInitDone

uint32_t Udma_RingObject::ringInitDone

Flag to set the ring object is init.

mappedRingGrp

uint32_t Udma_RingObject::mappedRingGrp

The allocated mapped ring group when channel type is UDMA_CH_TYPE_TX_MAPPED or UDMA_CH_TYPE_RX_MAPPED.

This is needed to free the mapped ring.

Refer Udma_MappedTxGrpSoc macro for details about mapped TX ring groups or Udma_MappedRxGrpSoc macro for details about mapped RX ring groups.

For unmapped case, this will be UDMA_MAPPED_GROUP_INVALID

mappedChNum

uint32_t Udma_RingObject::mappedChNum

The assigned mapped channel number when channel type is UDMA_CH_TYPE_TX_MAPPED or UDMA_CH_TYPE_RX_MAPPED.

This is needed to free the mapped ring.

For unmapped case, this will be UDMA_DMA_CH_INVALID.