dfifo.h File Reference

Go to the source code of this file.

Macros
#define	DIVA_DFIFO_CACHE_SZ
#define	DIVA_DFIFO_RAW_SZ   (2512 * 8)
#define	DIVA_DFIFO_DATA_SZ   68
#define	DIVA_DFIFO_HDR_SZ   4
#define	DIVA_DFIFO_SEGMENT_SZ   (DIVA_DFIFO_DATA_SZ + DIVA_DFIFO_HDR_SZ)
#define	DIVA_DFIFO_SEGMENTS   ((DIVA_DFIFO_RAW_SZ) / (DIVA_DFIFO_SEGMENT_SZ) + 1)
#define	DIVA_DFIFO_MEM_SZ
#define	DIVA_DFIFO_STEP   DIVA_DFIFO_SEGMENT_SZ
#define	DIVA_DFIFO_WRAP   0x80 /* This is the last block in fifo */
#define	DIVA_DFIFO_READY   0x40 /* This block is ready for processing */
#define	DIVA_DFIFO_LAST   0x20 /* This block is last in message */
#define	DIVA_DFIFO_AUTO   0x10 /* Don't look for 'ready', don't ack */

Functions
int	diva_dfifo_create (void *start, int length)

Macro Definition Documentation

#define DIVA_DFIFO_AUTO   0x10 /* Don't look for 'ready', don't ack */

Definition at line 49 of file dfifo.h.

#define DIVA_DFIFO_CACHE_SZ

Value:

64 /* Used to isolate pipe from
                    rest of the world
                    should be divisible by 4
                 */

Definition at line 28 of file dfifo.h.

#define DIVA_DFIFO_DATA_SZ   68

Definition at line 30 of file dfifo.h.

#define DIVA_DFIFO_HDR_SZ   4

Definition at line 31 of file dfifo.h.

#define DIVA_DFIFO_LAST   0x20 /* This block is last in message */

Definition at line 48 of file dfifo.h.

#define DIVA_DFIFO_MEM_SZ

Value:

(                       \
        (DIVA_DFIFO_SEGMENT_SZ) * (DIVA_DFIFO_SEGMENTS) +   \
        (DIVA_DFIFO_CACHE_SZ) * 2               \
        )

Definition at line 34 of file dfifo.h.

#define DIVA_DFIFO_RAW_SZ   (2512 * 8)

Definition at line 29 of file dfifo.h.

#define DIVA_DFIFO_READY   0x40 /* This block is ready for processing */

Definition at line 47 of file dfifo.h.

#define DIVA_DFIFO_SEGMENT_SZ   (DIVA_DFIFO_DATA_SZ + DIVA_DFIFO_HDR_SZ)

Definition at line 32 of file dfifo.h.

#define DIVA_DFIFO_SEGMENTS   ((DIVA_DFIFO_RAW_SZ) / (DIVA_DFIFO_SEGMENT_SZ) + 1)

Definition at line 33 of file dfifo.h.

#define DIVA_DFIFO_STEP   DIVA_DFIFO_SEGMENT_SZ

Definition at line 38 of file dfifo.h.

#define DIVA_DFIFO_WRAP   0x80 /* This is the last block in fifo */

Definition at line 46 of file dfifo.h.

Function Documentation

int diva_dfifo_create	(	void *	start,
		int	length
	)