MCD_dmaApi.c File Reference

Implementation of Multi-channel DMA API. More...

#include <mcf548x/MCD_dma.h>
#include <mcf548x/MCD_tasksInit.h>
#include <mcf548x/MCD_progCheck.h>

Data Structures
struct	MCD_remVariants_struct

Macros
#define	DBG_CTL_COMP1_TASK   (0x00002000) /* have comparator 1 look for a task # */
#define	DBG_CTL_ENABLE
#define	DBG_CTL_DISABLE
#define	DBG_KILL_ALL_STAT   (0xFFFFFFFF)
#define	CSAVE_OFFSET   10
#define	MCD_BYTE_SWAP_KILLER   0xFFF8888F
#define	MCD_NO_BYTE_SWAP_ATALL   0x00040000
#define	MAC   0 /* legacy - not used */
#define	LUAC   1 /* legacy - not used */
#define	CRC   2 /* legacy - not used */
#define	LURC   3 /* Logic Unit with CRC */
#define	TASK_CHAINNOEU   0
#define	TASK_SINGLENOEU   1
#define	TASK_CHAINEU   0
#define	TASK_SINGLEEU   1
#define	TASK_FECRX   2
#define	TASK_FECTX   3
#define	STABTIME   0
#define	MCD_REV_MAJOR   0x00
#define	MCD_REV_MINOR   0x03

Typedefs
typedef struct MCD_remVariants_struct	MCD_remVariant

Functions
int	MCD_initDma (dmaRegs *dmaBarAddr, void *taskTableDest, u32 flags)
int	MCD_dmaStatus (int channel)
int	MCD_startDma (int channel, s8 *srcAddr, s16 srcIncr, s8 *destAddr, s16 destIncr, u32 dmaSize, u32 xferSize, u32 initiator, int priority, u32 flags, u32 funcDesc)
int	MCD_XferProgrQuery (int channel, MCD_XferProg *progRep)
int	MCD_killDma (int channel)
int	MCD_continDma (int channel)
int	MCD_pauseDma (int channel)
int	MCD_resumeDma (int channel)
int	MCD_csumQuery (int channel, u32 *csum)
int	MCD_getCodeSize (void)
int	MCD_getVersion (char **longVersion)

Variables
dmaRegs *	MCD_dmaBar
TaskTableEntry	MCD_realTaskTableSrc [NCHANNELS]
TaskTableEntry	MCD_modelTaskTableSrc [NUMOFVARIANTS]
volatile TaskTableEntry *	MCD_taskTable
TaskTableEntry *	MCD_modelTaskTable
MCD_bufDesc	MCD_singleBufDescs [NCHANNELS]
MCD_bufDesc *	MCD_relocBuffDesc
MCD_remVariant	MCD_remVariants
u32	MCD_funcDescTab0 []
char	MCD_versionString [] = "Multi-channel DMA API Alpha v0.3 (2004-04-26)"

Detailed Description

Implementation of Multi-channel DMA API.

Macro Definition Documentation

DBG_CTL_DISABLE

#define DBG_CTL_DISABLE

Value:

                             (DBG_CTL_AUTO_ARM    | \
                             DBG_CTL_INT_BREAK   | \
                             DBG_CTL_COMP1_TASK)

DBG_CTL_ENABLE

#define DBG_CTL_ENABLE

Value:

                             (DBG_CTL_AUTO_ARM    | \
                             DBG_CTL_BREAK       | \
                             DBG_CTL_INT_BREAK   | \
                             DBG_CTL_COMP1_TASK)