dmabuf.c File Reference

#include <linux/mm.h>
#include <linux/gfp.h>
#include "sound_config.h"

Go to the source code of this file.

Macros
#define	BE_CONSERVATIVE
#define	SAMPLE_ROUNDUP   0
#define	DMAP_FREE_ON_CLOSE   0
#define	DMAP_KEEP_ON_CLOSE   1

Functions
int	DMAbuf_open (int dev, int mode)
void	DMAbuf_reset (int dev)
void	DMAbuf_launch_output (int dev, struct dma_buffparms *dmap)
int	DMAbuf_sync (int dev)
int	DMAbuf_release (int dev, int mode)
int	DMAbuf_activate_recording (int dev, struct dma_buffparms *dmap)
int	DMAbuf_getrdbuffer (int dev, char **buf, int *len, int dontblock)
int	DMAbuf_rmchars (int dev, int buff_no, int c)
int	DMAbuf_get_buffer_pointer (int dev, struct dma_buffparms *dmap, int direction)
void	DMAbuf_start_devices (unsigned int devmask)
int	DMAbuf_space_in_queue (int dev)
int	DMAbuf_getwrbuffer (int dev, char **buf, int *size, int dontblock)
int	DMAbuf_move_wrpointer (int dev, int l)
int	DMAbuf_start_dma (int dev, unsigned long physaddr, int count, int dma_mode)
	EXPORT_SYMBOL (DMAbuf_start_dma)
void	DMAbuf_outputintr (int dev, int notify_only)
	EXPORT_SYMBOL (DMAbuf_outputintr)
void	DMAbuf_inputintr (int dev)
	EXPORT_SYMBOL (DMAbuf_inputintr)
void	DMAbuf_init (int dev, int dma1, int dma2)
unsigned int	DMAbuf_poll (struct file *file, int dev, poll_table *wait)
void	DMAbuf_deinit (int dev)

Variables
int	sound_dmap_flag

Macro Definition Documentation

#define BE_CONSERVATIVE

Definition at line 25 of file dmabuf.c.

#define DMAP_FREE_ON_CLOSE   0

Definition at line 32 of file dmabuf.c.

#define DMAP_KEEP_ON_CLOSE   1

Definition at line 33 of file dmabuf.c.

#define SAMPLE_ROUNDUP   0

Definition at line 26 of file dmabuf.c.

Function Documentation

int DMAbuf_activate_recording	(	int	dev,
		struct dma_buffparms *	dmap
	)

Definition at line 516 of file dmabuf.c.

void DMAbuf_deinit

(

int

dev

)

Definition at line 1255 of file dmabuf.c.

int DMAbuf_get_buffer_pointer	(	int	dev,
		struct dma_buffparms *	dmap,
		int	direction
	)

Definition at line 634 of file dmabuf.c.

int DMAbuf_getrdbuffer	(	int	dev,
		char **	buf,
		int *	len,
		int	dontblock
	)

Definition at line 553 of file dmabuf.c.

int DMAbuf_getwrbuffer	(	int	dev,
		char **	buf,
		int *	size,
		int	dontblock
	)

Definition at line 827 of file dmabuf.c.

void DMAbuf_init	(	int	dev,
		int	dma1,
		int	dma2
	)

Definition at line 1164 of file dmabuf.c.

void DMAbuf_inputintr

(

int

dev

)

Definition at line 1130 of file dmabuf.c.

void DMAbuf_launch_output	(	int	dev,
		struct dma_buffparms *	dmap
	)

Definition at line 398 of file dmabuf.c.

int DMAbuf_move_wrpointer	(	int	dev,
		int	l
	)

Definition at line 861 of file dmabuf.c.

int DMAbuf_open	(	int	dev,
		int	mode
	)

Definition at line 277 of file dmabuf.c.

void DMAbuf_outputintr	(	int	dev,
		int	notify_only
	)

Definition at line 1029 of file dmabuf.c.

unsigned int DMAbuf_poll	(	struct file *	file,
		int	dev,
		poll_table *	wait
	)

Definition at line 1248 of file dmabuf.c.

int DMAbuf_release	(	int	dev,
		int	mode
	)

Definition at line 479 of file dmabuf.c.

void DMAbuf_reset

(

int

dev

)

Definition at line 325 of file dmabuf.c.

int DMAbuf_rmchars	(	int	dev,
		int	buff_no,
		int	c
	)

Definition at line 611 of file dmabuf.c.

int DMAbuf_space_in_queue

(

int

dev

)

Definition at line 711 of file dmabuf.c.

void DMAbuf_start_devices

(

unsigned int

devmask

)

Definition at line 690 of file dmabuf.c.

int DMAbuf_start_dma	(	int	dev,
		unsigned long	physaddr,
		int	count,
		int	dma_mode
	)

Definition at line 916 of file dmabuf.c.

int DMAbuf_sync

(

int

dev

)

Definition at line 426 of file dmabuf.c.

EXPORT_SYMBOL

(

DMAbuf_start_dma

)

EXPORT_SYMBOL

(

DMAbuf_outputintr

)

EXPORT_SYMBOL

(

DMAbuf_inputintr

)

Variable Documentation

int sound_dmap_flag

Definition at line 66 of file soundcard.c.