cppi_dma.h File Reference

#include <linux/slab.h>
#include <linux/list.h>
#include <linux/errno.h>
#include <linux/dmapool.h>
#include "musb_dma.h"
#include "musb_core.h"
#include "davinci.h"

Go to the source code of this file.

Data Structures
struct	cppi_tx_stateram
struct	cppi_rx_stateram
struct	cppi_descriptor
struct	cppi_channel
struct	cppi

Macros
#define	CPPI_SOP_SET   ((u32)(1 << 31))
#define	CPPI_EOP_SET   ((u32)(1 << 30))
#define	CPPI_OWN_SET   ((u32)(1 << 29)) /* owned by cppi */
#define	CPPI_EOQ_MASK   ((u32)(1 << 28))
#define	CPPI_ZERO_SET   ((u32)(1 << 23)) /* rx saw zlp; tx issues one */
#define	CPPI_RXABT_MASK   ((u32)(1 << 19)) /* need more rx buffers */
#define	CPPI_RECV_PKTLEN_MASK   0xFFFF
#define	CPPI_BUFFER_LEN_MASK   0xFFFF
#define	CPPI_TEAR_READY   ((u32)(1 << 31))
#define	CPPI_DESCRIPTOR_ALIGN   16 /* bytes; 5-dec docs say 4-byte align */

Functions
struct cppi_descriptor	__attribute__ ((aligned(CPPI_DESCRIPTOR_ALIGN)))
irqreturn_t	cppi_interrupt (int, void *)

Variables
u32	hw_next
u32	hw_bufp
u32	hw_off_len
u32	hw_options
struct cppi_descriptor *	next
dma_addr_t	dma
u32	buflen
struct cppi_channel	__attribute__

Macro Definition Documentation

#define CPPI_BUFFER_LEN_MASK   0xFFFF

Definition at line 55 of file cppi_dma.h.

#define CPPI_DESCRIPTOR_ALIGN   16 /* bytes; 5-dec docs say 4-byte align */

Definition at line 61 of file cppi_dma.h.

#define CPPI_EOP_SET   ((u32)(1 << 30))

Definition at line 48 of file cppi_dma.h.

#define CPPI_EOQ_MASK   ((u32)(1 << 28))

Definition at line 50 of file cppi_dma.h.

#define CPPI_OWN_SET   ((u32)(1 << 29)) /* owned by cppi */

Definition at line 49 of file cppi_dma.h.

#define CPPI_RECV_PKTLEN_MASK   0xFFFF

Definition at line 54 of file cppi_dma.h.

#define CPPI_RXABT_MASK   ((u32)(1 << 19)) /* need more rx buffers */

Definition at line 52 of file cppi_dma.h.

#define CPPI_SOP_SET   ((u32)(1 << 31))

Definition at line 47 of file cppi_dma.h.

#define CPPI_TEAR_READY   ((u32)(1 << 31))

Definition at line 57 of file cppi_dma.h.

#define CPPI_ZERO_SET   ((u32)(1 << 23)) /* rx saw zlp; tx issues one */

Definition at line 51 of file cppi_dma.h.

Function Documentation

struct cppi_descriptor __attribute__

(

(aligned(CPPI_DESCRIPTOR_ALIGN))

)

irqreturn_t cppi_interrupt	(	int	,
		void *
	)

Definition at line 1162 of file cppi_dma.c.

Variable Documentation

struct cppi_channel __attribute__

u32 buflen

Definition at line 82 of file cppi_dma.h.

dma_addr_t dma

Definition at line 81 of file cppi_dma.h.

u32 hw_bufp

Definition at line 76 of file cppi_dma.h.

u32 hw_next

Definition at line 75 of file cppi_dma.h.

u32 hw_off_len

Definition at line 77 of file cppi_dma.h.

u32 hw_options

Definition at line 78 of file cppi_dma.h.

struct cppi_descriptor* next

Definition at line 80 of file cppi_dma.h.