soundcard.c File Reference

#include "sound_config.h"
#include <linux/init.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/signal.h>
#include <linux/fcntl.h>
#include <linux/ctype.h>
#include <linux/stddef.h>
#include <linux/kmod.h>
#include <linux/kernel.h>
#include <asm/dma.h>
#include <asm/io.h>
#include <linux/wait.h>
#include <linux/ioport.h>
#include <linux/major.h>
#include <linux/delay.h>
#include <linux/proc_fs.h>
#include <linux/mutex.h>
#include <linux/module.h>
#include <linux/mm.h>
#include <linux/device.h>

Go to the source code of this file.

Data Structures
struct	oss_minor_dev

Macros
#define	valid_dma(n)   ((n) >= 0 && (n) < MAX_DMA_CHANNELS && (n) != 4)
#define	DMA_MAP_UNAVAIL   0
#define	DMA_MAP_FREE   1
#define	DMA_MAP_BUSY   2
#define	PROC_BLOCK_SIZE   (3*1024)

Functions
int *	load_mixer_volumes (char *name, int *levels, int present)
	EXPORT_SYMBOL (load_mixer_volumes)
	module_param (dmabuf, int, 0444)
	module_param (dmabug, int, 0444)
	module_init (oss_init)
	module_exit (oss_cleanup)
	MODULE_LICENSE ("GPL")
	MODULE_DESCRIPTION ("OSS Sound subsystem")
	MODULE_AUTHOR ("Hannu Savolainen, et al.")
int	sound_alloc_dma (int chn, char *deviceID)
	EXPORT_SYMBOL (sound_alloc_dma)
int	sound_open_dma (int chn, char *deviceID)
	EXPORT_SYMBOL (sound_open_dma)
void	sound_free_dma (int chn)
	EXPORT_SYMBOL (sound_free_dma)
void	sound_close_dma (int chn)
	EXPORT_SYMBOL (sound_close_dma)
void	request_sound_timer (int count)
void	sound_stop_timer (void)
void	conf_printf (char *name, struct address_info *hw_config)
	EXPORT_SYMBOL (conf_printf)
void	conf_printf2 (char *name, int base, int irq, int dma, int dma2)
	EXPORT_SYMBOL (conf_printf2)

Variables
void *	sound_mem_blocks [MAX_MEM_BLOCKS]
int	sound_nblocks = 0
int	sound_dmap_flag = 0
unsigned long	seq_time = 0
struct class *	sound_class
struct file_operations	oss_sound_fops
struct oss_minor_dev	dev_list []

Macro Definition Documentation

#define DMA_MAP_BUSY   2

Definition at line 73 of file soundcard.c.

#define DMA_MAP_FREE   1

Definition at line 72 of file soundcard.c.

#define DMA_MAP_UNAVAIL   0

Definition at line 71 of file soundcard.c.

#define PROC_BLOCK_SIZE   (3*1024)

Definition at line 142 of file soundcard.c.

#define valid_dma

(

n

)

((n) >= 0 && (n) < MAX_DMA_CHANNELS && (n) != 4)

Definition at line 52 of file soundcard.c.

Function Documentation

void conf_printf	(	char *	name,
		struct address_info *	hw_config
	)

Definition at line 698 of file soundcard.c.

void conf_printf2	(	char *	name,
		int	base,
		int	irq,
		int	dma,
		int	dma2
	)

Definition at line 719 of file soundcard.c.

EXPORT_SYMBOL

(

load_mixer_volumes

)

EXPORT_SYMBOL

(

sound_alloc_dma

)

EXPORT_SYMBOL

(

sound_open_dma

)

EXPORT_SYMBOL

(

sound_free_dma

)

EXPORT_SYMBOL

(

sound_close_dma

)

EXPORT_SYMBOL

(

conf_printf

)

EXPORT_SYMBOL

(

conf_printf2

)

int* load_mixer_volumes	(	char *	name,
		int *	levels,
		int	present
	)

Definition at line 85 of file soundcard.c.

MODULE_AUTHOR	(	"Hannu	Savolainen,
		et al."
	)

MODULE_DESCRIPTION

(

"OSS Sound subsystem"

)

module_exit

(

oss_cleanup

)

module_init

(

oss_init

)

MODULE_LICENSE

(

"GPL"

)

module_param	(	dmabuf	,
		int	,
		0444
	)

module_param	(	dmabug	,
		int	,
		0444
	)

void request_sound_timer

(

int

count

)

Definition at line 673 of file soundcard.c.

int sound_alloc_dma	(	int	chn,
		char *	deviceID
	)

Definition at line 615 of file soundcard.c.

void sound_close_dma

(

int

chn

)

Definition at line 655 of file soundcard.c.

void sound_free_dma

(

int

chn

)

Definition at line 644 of file soundcard.c.

int sound_open_dma	(	int	chn,
		char *	deviceID
	)

Definition at line 628 of file soundcard.c.

void sound_stop_timer

(

void

)

Definition at line 693 of file soundcard.c.

Variable Documentation

struct oss_minor_dev dev_list[]

Initial value:

= {
    { SND_DEV_DSP16 },
    { SND_DEV_AUDIO },
}

struct file_operations oss_sound_fops

Initial value:

= {
    .owner      = THIS_MODULE,
    .llseek     = no_llseek,
    .read       = sound_read,
    .write      = sound_write,
    .poll       = sound_poll,
    .unlocked_ioctl = sound_ioctl,
    .mmap       = sound_mmap,
    .open       = sound_open,
    .release    = sound_release,
}

Definition at line 498 of file soundcard.c.

unsigned long seq_time = 0

Definition at line 76 of file soundcard.c.

struct class* sound_class

Definition at line 25 of file sound_core.c.

int sound_dmap_flag = 0

Definition at line 66 of file soundcard.c.

void* sound_mem_blocks[MAX_MEM_BLOCKS]

Definition at line 58 of file soundcard.c.

int sound_nblocks = 0

Definition at line 60 of file soundcard.c.