VMEDMA.h File Reference

Public interface of DMA routines. More...

#include <stdint.h>

Go to the source code of this file.

Macros
#define	BSP_VMEDMA_OPT_THROUGHPUT   1
#define	BSP_VMEDMA_OPT_LOWLATENCY   2
#define	BSP_VMEDMA_OPT_SHAREDBUS   3
#define	BSP_VMEDMA_OPT_DEFAULT   4
#define	BSP_VMEDMA_OPT_CUSTOM   5
#define	BSP_VMEDMA_MODE_NOINC_VME   (1<<20)
#define	BSP_VMEDMA_MODE_NOINC_PCI   (1<<21)
#define	BSP_VMEDMA_MODE_PCI2VME   (1<<31)
#define	BSP_VMEDMA_STATUS_OK   0
#define	BSP_VMEDMA_STATUS_UNSUP   (-1)
#define	BSP_VMEDMA_STATUS_BERR_VME   1
#define	BSP_VMEDMA_STATUS_BERR_PCI   2
#define	BSP_VMEDMA_STATUS_BUSY   3
#define	BSP_VMEDMA_STATUS_PERR   4
#define	BSP_VMEDMA_STATUS_OERR   5
#define	BSP_VMEDMA_MSK_ATTR   (1<<0)
#define	BSP_VMEDMA_MSK_PCIA   (1<<1)
#define	BSP_VMEDMA_MSK_VMEA   (1<<2)
#define	BSP_VMEDMA_MSK_BCNT   (1<<3)
#define	BSP_VMEDMA_MSK_ALL   (0xf)

Typedefs
typedef void *	BSP_VMEDmaListDescriptor
typedef void(*	BSP_VMEDmaIRQCallback) (void *usr_arg)

Functions
int	BSP_VMEDmaSetup (int channel, uint32_t bus_mode, uint32_t xfer_mode, void *custom_setup)
int	BSP_VMEDmaStart (int channel, uint32_t pci_addr, uint32_t vme_addr, uint32_t n_bytes)
uint32_t	BSP_VMEDmaStatus (int channel)
int	BSP_VMEDmaInstallISR (int channel, BSP_VMEDmaIRQCallback cb, void *usr_arg)
BSP_VMEDmaListDescriptor	BSP_VMEDmaListDescriptorSetup (BSP_VMEDmaListDescriptor d, uint32_t attr_mask, uint32_t xfer_mode, uint32_t pci_addr, uint32_t vme_addr, uint32_t n_bytes)
int	BSP_VMEDmaListDescriptorDestroy (BSP_VMEDmaListDescriptor d)
int	BSP_VMEDmaListDestroy (BSP_VMEDmaListDescriptor anchor)
int	BSP_VMEDmaListDescriptorEnq (BSP_VMEDmaListDescriptor tail, BSP_VMEDmaListDescriptor d)
BSP_VMEDmaListDescriptor	BSP_VMEDmaListDescriptorNext (BSP_VMEDmaListDescriptor d)
BSP_VMEDmaListDescriptor	BSP_VMEDmaListDescriptorPrev (BSP_VMEDmaListDescriptor d)
void	BSP_VMEDmaListDescriptorSetUsr (BSP_VMEDmaListDescriptor d, void *usrData)
void *	BSP_VMEDmaListDescriptorGetUsr (BSP_VMEDmaListDescriptor d)
int	BSP_VMEDmaListRefresh (BSP_VMEDmaListDescriptor anchor)
int	BSP_VMEDmaListStart (int channel, BSP_VMEDmaListDescriptor list)

Detailed Description

Public interface of DMA routines.