dma.h File Reference

#include <arch/hwregs/dma_defs.h>

Go to the source code of this file.

Data Structures
struct	dma_descr_group
struct	dma_descr_context
struct	dma_descr_data

Macros
#define	DMA_ENABLE(inst)
#define	DMA_RESET(inst)
#define	DMA_STOP(inst)
#define	DMA_CONTINUE(inst)
#define	DMA_WR_CMD(inst, cmd_par)
#define	DMA_START_GROUP(inst, group_descr)
#define	DMA_START_CONTEXT(inst, ctx_descr)
#define	DMA_CONTINUE_DATA(inst)

Typedefs
typedef struct dma_descr_group	dma_descr_group
typedef struct dma_descr_context	dma_descr_context
typedef struct dma_descr_data	dma_descr_data

Macro Definition Documentation

#define DMA_CONTINUE

(

inst

)

Value:

do { reg_dma_rw_cfg c = REG_RD( dma, inst, rw_cfg );\
        c.stop = regk_dma_no; \
        REG_WR( dma, inst, rw_cfg, c); } while( 0 )

Definition at line 93 of file dma.h.

#define DMA_CONTINUE_DATA

(

inst

)

Value:

do { reg_dma_rw_cmd c = {0}; \
     c.cont_data = regk_dma_yes;\
     REG_WR( dma, inst, rw_cmd, c ); } while( 0 )

Definition at line 122 of file dma.h.

#define DMA_ENABLE

(

inst

)

Value:

do { reg_dma_rw_cfg e = REG_RD( dma, inst, rw_cfg );\
        e.en = regk_dma_yes; \
        REG_WR( dma, inst, rw_cfg, e); } while( 0 )

Definition at line 75 of file dma.h.

#define DMA_RESET

(

inst

)

Value:

do { reg_dma_rw_cfg r = REG_RD( dma, inst, rw_cfg );\
        r.en = regk_dma_no; \
        REG_WR( dma, inst, rw_cfg, r); } while( 0 )

Definition at line 81 of file dma.h.

#define DMA_START_CONTEXT	(		inst,
			ctx_descr
	)

Value:

do { REG_WR_INT( dma, inst, rw_group_down, (int) ctx_descr ); \
        DMA_WR_CMD( inst, regk_dma_load_c ); \
        DMA_WR_CMD( inst, regk_dma_load_d | regk_dma_burst ); \
      } while( 0 )

Definition at line 115 of file dma.h.

#define DMA_START_GROUP	(		inst,
			group_descr
	)

Value:

do { REG_WR_INT( dma, inst, rw_group, (int) group_descr ); \
        DMA_WR_CMD( inst, regk_dma_load_g ); \
        DMA_WR_CMD( inst, regk_dma_load_c ); \
        DMA_WR_CMD( inst, regk_dma_load_d | regk_dma_burst ); \
      } while( 0 )

Definition at line 107 of file dma.h.

#define DMA_STOP

(

inst

)

Value:

do { reg_dma_rw_cfg s = REG_RD( dma, inst, rw_cfg );\
        s.stop = regk_dma_yes; \
        REG_WR( dma, inst, rw_cfg, s); } while( 0 )

Definition at line 87 of file dma.h.

#define DMA_WR_CMD	(		inst,
			cmd_par
	)

Value:

do { reg_dma_rw_stream_cmd __x = {0}; \
    do { __x = REG_RD(dma, inst, rw_stream_cmd); } while (__x.busy); \
    __x.cmd = (cmd_par); \
    REG_WR(dma, inst, rw_stream_cmd, __x); \
   } while (0)

Definition at line 99 of file dma.h.

Typedef Documentation

typedef struct dma_descr_context dma_descr_context

typedef struct dma_descr_data dma_descr_data

typedef struct dma_descr_group dma_descr_group