memory.c File Reference

#include <linux/pci.h>
#include <linux/gfp.h>
#include <linux/time.h>
#include <linux/mutex.h>
#include <linux/export.h>
#include <sound/core.h>
#include <sound/emu10k1.h>

Go to the source code of this file.

Macros
#define	__set_ptb_entry(emu, page, addr)   (((u32 *)(emu)->ptb_pages.area)[page] = cpu_to_le32(((addr) << 1) | (page)))
#define	UNIT_PAGES   (PAGE_SIZE / EMUPAGESIZE)
#define	MAX_ALIGN_PAGES   (MAXPAGES / UNIT_PAGES)
#define	get_aligned_page(offset)   ((offset) >> PAGE_SHIFT)
#define	aligned_page_offset(page)   ((page) << PAGE_SHIFT)
#define	get_emu10k1_memblk(l, member)   list_entry(l, struct snd_emu10k1_memblk, member)

Functions
int	snd_emu10k1_memblk_map (struct snd_emu10k1 *emu, struct snd_emu10k1_memblk *blk)
	EXPORT_SYMBOL (snd_emu10k1_memblk_map)
struct snd_util_memblk *	snd_emu10k1_alloc_pages (struct snd_emu10k1 *emu, struct snd_pcm_substream *substream)
int	snd_emu10k1_free_pages (struct snd_emu10k1 *emu, struct snd_util_memblk *blk)
struct snd_util_memblk *	snd_emu10k1_synth_alloc (struct snd_emu10k1 *hw, unsigned int size)
	EXPORT_SYMBOL (snd_emu10k1_synth_alloc)
int	snd_emu10k1_synth_free (struct snd_emu10k1 *emu, struct snd_util_memblk *memblk)
	EXPORT_SYMBOL (snd_emu10k1_synth_free)
int	snd_emu10k1_synth_bzero (struct snd_emu10k1 *emu, struct snd_util_memblk *blk, int offset, int size)
	EXPORT_SYMBOL (snd_emu10k1_synth_bzero)
int	snd_emu10k1_synth_copy_from_user (struct snd_emu10k1 *emu, struct snd_util_memblk *blk, int offset, const char __user *data, int size)
	EXPORT_SYMBOL (snd_emu10k1_synth_copy_from_user)

Macro Definition Documentation

#define __set_ptb_entry	(		emu,
			page,
			addr
	)		(((u32 *)(emu)->ptb_pages.area)[page] = cpu_to_le32(((addr) << 1) | (page)))

Definition at line 36 of file memory.c.

#define aligned_page_offset

(

page

)

((page) << PAGE_SHIFT)

Definition at line 44 of file memory.c.

#define get_aligned_page

(

offset

)

((offset) >> PAGE_SHIFT)

Definition at line 42 of file memory.c.

#define get_emu10k1_memblk	(		l,
			member
	)		list_entry(l, struct snd_emu10k1_memblk, member)

Definition at line 79 of file memory.c.

#define MAX_ALIGN_PAGES   (MAXPAGES / UNIT_PAGES)

Definition at line 40 of file memory.c.

#define UNIT_PAGES   (PAGE_SIZE / EMUPAGESIZE)

Definition at line 39 of file memory.c.

Function Documentation

EXPORT_SYMBOL

(

snd_emu10k1_memblk_map

)

EXPORT_SYMBOL

(

snd_emu10k1_synth_alloc

)

EXPORT_SYMBOL

(

snd_emu10k1_synth_free

)

EXPORT_SYMBOL

(

snd_emu10k1_synth_bzero

)

EXPORT_SYMBOL

(

snd_emu10k1_synth_copy_from_user

)

struct snd_util_memblk* snd_emu10k1_alloc_pages ( struct snd_emu10k1 *  emu, struct snd_pcm_substream *  substream  )

read

Definition at line 298 of file memory.c.

int snd_emu10k1_free_pages	(	struct snd_emu10k1 *	emu,
		struct snd_util_memblk *	blk
	)

Definition at line 358 of file memory.c.

int snd_emu10k1_memblk_map	(	struct snd_emu10k1 *	emu,
		struct snd_emu10k1_memblk *	blk
	)

Definition at line 255 of file memory.c.

struct snd_util_memblk* snd_emu10k1_synth_alloc ( struct snd_emu10k1 *  hw, unsigned int  size  )

read

Definition at line 375 of file memory.c.

int snd_emu10k1_synth_bzero	(	struct snd_emu10k1 *	emu,
		struct snd_util_memblk *	blk,
		int	offset,
		int	size
	)

Definition at line 520 of file memory.c.

int snd_emu10k1_synth_copy_from_user	(	struct snd_emu10k1 *	emu,
		struct snd_util_memblk *	blk,
		int	offset,
		const char __user *	data,
		int	size
	)

Definition at line 550 of file memory.c.

int snd_emu10k1_synth_free	(	struct snd_emu10k1 *	emu,
		struct snd_util_memblk *	memblk
	)

Definition at line 402 of file memory.c.