/space/home/slher/rel/Beken/v6_4_5/macsw/plf/refip/src/driver/dma/dma.h File Reference

DMA utility functions. More...

#include "co_int.h"
#include "rwnx_config.h"
#include "co_math.h"
#include "compiler.h"
#include "reg_dma.h"

Go to the source code of this file.

Data Structures
struct	dma_desc
	Element in the pool of TX DMA bridge descriptors. More...
struct	dma_env_tag
	Structure describing the DMA driver environment. More...
Defines
#define	IPC_DMA_LLI_TX_MASK   0x001F
	Mask of the DMA LLI IRQs status bits that are assigned for TX.
#define	IPC_DMA_LLI_CFM_MASK   0x0100
	Mask of the DMA LLI IRQs status bits that are assigned for CFM.
#define	IPC_DMA_LLI_RX_MASK   0x0020
	Mask of the DMA LLI IRQs status bits that are assigned for RX.
#define	IPC_DMA_LLI_COUNTER_EN   0x0010
	Indicate that an LLI counter must be incremented at the end of the LLI process.
#define	IPC_DMA_LLI_COUNTER_MASK   0x000F
	Mask of the LLI counter index to increment at the end of the LLI process.
#define	IPC_DMA_LLI_COUNTER_POS   0
	Bit position of the LLI counter index.
#define	IPC_DMA_LLI_IRQ_EN   0x1000
	Indicate that an IRQ must be generated at the end of the LLI process.
#define	IPC_DMA_LLI_IRQ_MASK   0x0F00
	Mask of the LLI IRQ index to generate at the end of the LLI process.
#define	IPC_DMA_LLI_IRQ_POS   8
	Bit position of the LLI IRQ index.
Enumerations
enum	{   IPC_DMA_CHANNEL_CTRL_RX, IPC_DMA_CHANNEL_DATA_RX, IPC_DMA_CHANNEL_CTRL_TX, IPC_DMA_CHANNEL_DATA_TX,   IPC_DMA_CHANNEL_INTERNAL, IPC_DMA_CHANNEL_MAX }
	DMA channel indexes. More...
enum	{   IPC_DMA_LLI_DATA_AC0_TX, IPC_DMA_LLI_DATA_AC1_TX, IPC_DMA_LLI_DATA_AC2_TX, IPC_DMA_LLI_DATA_AC3_TX,   IPC_DMA_LLI_DATA_BCN_TX, IPC_DMA_LLI_DATA_RX0, IPC_DMA_LLI_MSG, IPC_DMA_LLI_DBG,   IPC_DMA_LLI_CFM_TX, IPC_DMA_LLI_GP_DL, IPC_DMA_LLI_DBG_DUMP, IPC_DMA_LLI_GP_UL,   IPC_DMA_LLI_MAX }
	DMA LLI assignment. More...
Functions
void	dma_init (void)
	Initialize the bridge DMA registers.
void	dma_push (struct dma_desc *first, struct dma_desc *last, int channel_idx)
	Chains a chained list of descriptors in the DMA.
void	dma_buserr_isr (void)
	Interrupt service routine when a bus error is detected while in a DMA transfer.
__INLINE void	dma_lli_disable (int lli)
	Disable an LLI IRQ.
__INLINE void	dma_lli_enable (int lli)
	Enable an LLI IRQ.
__INLINE void	dma_lli_poll (int lli)
	Poll for an LLI IRQ.
Variables
struct dma_env_tag	dma_env
	DMA environment structure.

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Detailed Description

DMA utility functions.

Copyright (C) RivieraWaves 2011-2019

Definition in file dma.h.