dbdma.c File Reference

#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/syscore_ops.h>
#include <asm/mach-au1x00/au1000.h>
#include <asm/mach-au1x00/au1xxx_dbdma.h>

Go to the source code of this file.

Macros
#define	ALIGN_ADDR(x, a)   ((((u32)(x)) + (a-1)) & ~(a-1))
#define	DBDEV_TAB_SIZE   64

Functions
void *	au1xxx_ddma_get_nextptr_virt (au1x_ddma_desc_t *dp)
	EXPORT_SYMBOL (au1xxx_ddma_get_nextptr_virt)
u32	au1xxx_ddma_add_device (dbdev_tab_t *dev)
	EXPORT_SYMBOL (au1xxx_ddma_add_device)
void	au1xxx_ddma_del_device (u32 devid)
	EXPORT_SYMBOL (au1xxx_ddma_del_device)
u32	au1xxx_dbdma_chan_alloc (u32 srcid, u32 destid, void(*callback)(int, void *), void *callparam)
	EXPORT_SYMBOL (au1xxx_dbdma_chan_alloc)
u32	au1xxx_dbdma_set_devwidth (u32 chanid, int bits)
	EXPORT_SYMBOL (au1xxx_dbdma_set_devwidth)
u32	au1xxx_dbdma_ring_alloc (u32 chanid, int entries)
	EXPORT_SYMBOL (au1xxx_dbdma_ring_alloc)
u32	au1xxx_dbdma_put_source (u32 chanid, dma_addr_t buf, int nbytes, u32 flags)
	EXPORT_SYMBOL (au1xxx_dbdma_put_source)
u32	au1xxx_dbdma_put_dest (u32 chanid, dma_addr_t buf, int nbytes, u32 flags)
	EXPORT_SYMBOL (au1xxx_dbdma_put_dest)
u32	au1xxx_dbdma_get_dest (u32 chanid, void **buf, int *nbytes)
	EXPORT_SYMBOL_GPL (au1xxx_dbdma_get_dest)
void	au1xxx_dbdma_stop (u32 chanid)
	EXPORT_SYMBOL (au1xxx_dbdma_stop)
void	au1xxx_dbdma_start (u32 chanid)
	EXPORT_SYMBOL (au1xxx_dbdma_start)
void	au1xxx_dbdma_reset (u32 chanid)
	EXPORT_SYMBOL (au1xxx_dbdma_reset)
u32	au1xxx_get_dma_residue (u32 chanid)
	EXPORT_SYMBOL_GPL (au1xxx_get_dma_residue)
void	au1xxx_dbdma_chan_free (u32 chanid)
	EXPORT_SYMBOL (au1xxx_dbdma_chan_free)
void	au1xxx_dbdma_dump (u32 chanid)
u32	au1xxx_dbdma_put_dscr (u32 chanid, au1x_ddma_desc_t *dscr)
	subsys_initcall (alchemy_dbdma_init)

Macro Definition Documentation

#define ALIGN_ADDR	(		x,
			a
	)		((((u32)(x)) + (a-1)) & ~(a-1))

Definition at line 57 of file dbdma.c.

#define DBDEV_TAB_SIZE   64

Definition at line 196 of file dbdma.c.

Function Documentation

u32 au1xxx_dbdma_chan_alloc	(	u32	srcid,
		u32	destid,
		void(*)(int, void *)	callback,
		void *	callparam
	)

Definition at line 252 of file dbdma.c.

void au1xxx_dbdma_chan_free

(

u32

chanid

)

Definition at line 841 of file dbdma.c.

void au1xxx_dbdma_dump

(

u32

chanid

)

Definition at line 889 of file dbdma.c.

u32 au1xxx_dbdma_get_dest	(	u32	chanid,
		void **	buf,
		int *	nbytes
	)

Definition at line 714 of file dbdma.c.

u32 au1xxx_dbdma_put_dest	(	u32	chanid,
		dma_addr_t	buf,
		int	nbytes,
		u32	flags
	)

Definition at line 650 of file dbdma.c.

u32 au1xxx_dbdma_put_dscr	(	u32	chanid,
		au1x_ddma_desc_t *	dscr
	)

Definition at line 934 of file dbdma.c.

u32 au1xxx_dbdma_put_source	(	u32	chanid,
		dma_addr_t	buf,
		int	nbytes,
		u32	flags
	)

Definition at line 591 of file dbdma.c.

void au1xxx_dbdma_reset

(

u32

chanid

)

Definition at line 798 of file dbdma.c.

u32 au1xxx_dbdma_ring_alloc	(	u32	chanid,
		int	entries
	)

Definition at line 390 of file dbdma.c.

u32 au1xxx_dbdma_set_devwidth	(	u32	chanid,
		int	bits
	)

Definition at line 365 of file dbdma.c.

void au1xxx_dbdma_start

(

u32

chanid

)

Definition at line 783 of file dbdma.c.

void au1xxx_dbdma_stop

(

u32

chanid

)

Definition at line 753 of file dbdma.c.

u32 au1xxx_ddma_add_device

(

dbdev_tab_t *

dev

)

Definition at line 218 of file dbdma.c.

void au1xxx_ddma_del_device

(

u32

devid

)

Definition at line 240 of file dbdma.c.

void* au1xxx_ddma_get_nextptr_virt

(

au1x_ddma_desc_t *

dp

)

Definition at line 212 of file dbdma.c.

u32 au1xxx_get_dma_residue

(

u32

chanid

)

Definition at line 824 of file dbdma.c.

EXPORT_SYMBOL

(

au1xxx_ddma_get_nextptr_virt

)

EXPORT_SYMBOL

(

au1xxx_ddma_add_device

)

EXPORT_SYMBOL

(

au1xxx_ddma_del_device

)

EXPORT_SYMBOL

(

au1xxx_dbdma_chan_alloc

)

EXPORT_SYMBOL

(

au1xxx_dbdma_set_devwidth

)

EXPORT_SYMBOL

(

au1xxx_dbdma_ring_alloc

)

EXPORT_SYMBOL

(

au1xxx_dbdma_put_source

)

EXPORT_SYMBOL

(

au1xxx_dbdma_put_dest

)

EXPORT_SYMBOL

(

au1xxx_dbdma_stop

)

EXPORT_SYMBOL

(

au1xxx_dbdma_start

)

EXPORT_SYMBOL

(

au1xxx_dbdma_reset

)

EXPORT_SYMBOL

(

au1xxx_dbdma_chan_free

)

EXPORT_SYMBOL_GPL

(

au1xxx_dbdma_get_dest

)

EXPORT_SYMBOL_GPL

(

au1xxx_get_dma_residue

)

subsys_initcall

(

alchemy_dbdma_init

)