timer.c File Reference

#include <linux/delay.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/time.h>
#include <linux/mutex.h>
#include <linux/device.h>
#include <linux/module.h>
#include <linux/string.h>
#include <sound/core.h>
#include <sound/timer.h>
#include <sound/control.h>
#include <sound/info.h>
#include <sound/minors.h>
#include <sound/initval.h>
#include <linux/kmod.h>

Go to the source code of this file.

Data Structures
struct	snd_timer_user
struct	snd_timer_system_private

Macros
#define	DEFAULT_TIMER_LIMIT   1
#define	snd_timer_proc_init()
#define	snd_timer_proc_done()
#define	snd_timer_user_ioctl_compat   NULL

Enumerations
enum	{ SNDRV_TIMER_IOCTL_START_OLD = _IO('T', 0x20), SNDRV_TIMER_IOCTL_STOP_OLD = _IO('T', 0x21), SNDRV_TIMER_IOCTL_CONTINUE_OLD = _IO('T', 0x22), SNDRV_TIMER_IOCTL_PAUSE_OLD = _IO('T', 0x23) }

Functions
	MODULE_AUTHOR ("Jaroslav Kysela <[email protected]>, Takashi Iwai <[email protected]>")
	MODULE_DESCRIPTION ("ALSA timer interface")
	MODULE_LICENSE ("GPL")
	module_param (timer_limit, int, 0444)
	MODULE_PARM_DESC (timer_limit,"Maximum global timers in system.")
	module_param (timer_tstamp_monotonic, int, 0444)
	MODULE_PARM_DESC (timer_tstamp_monotonic,"Use posix monotonic clock source for timestamps (default).")
	MODULE_ALIAS_CHARDEV (CONFIG_SND_MAJOR, SNDRV_MINOR_TIMER)
	MODULE_ALIAS ("devname:snd/timer")
int	snd_timer_open (struct snd_timer_instance **ti, char *owner, struct snd_timer_id *tid, unsigned int slave_id)
int	snd_timer_close (struct snd_timer_instance *timeri)
unsigned long	snd_timer_resolution (struct snd_timer_instance *timeri)
int	snd_timer_start (struct snd_timer_instance *timeri, unsigned int ticks)
int	snd_timer_stop (struct snd_timer_instance *timeri)
int	snd_timer_continue (struct snd_timer_instance *timeri)
int	snd_timer_pause (struct snd_timer_instance *timeri)
void	snd_timer_interrupt (struct snd_timer *timer, unsigned long ticks_left)
int	snd_timer_new (struct snd_card *card, char *id, struct snd_timer_id *tid, struct snd_timer **rtimer)
void	snd_timer_notify (struct snd_timer *timer, int event, struct timespec *tstamp)
int	snd_timer_global_new (char *id, int device, struct snd_timer **rtimer)
int	snd_timer_global_free (struct snd_timer *timer)
int	snd_timer_global_register (struct snd_timer *timer)

Macro Definition Documentation

#define DEFAULT_TIMER_LIMIT   1

Definition at line 43 of file timer.c.

#define snd_timer_proc_done

(

)

Definition at line 1112 of file timer.c.

#define snd_timer_proc_init

(

)

Definition at line 1111 of file timer.c.

#define snd_timer_user_ioctl_compat   NULL

Definition at line 1928 of file timer.c.

Enumeration Type Documentation

anonymous enum

Enumerator:

SNDRV_TIMER_IOCTL_START_OLD
SNDRV_TIMER_IOCTL_STOP_OLD
SNDRV_TIMER_IOCTL_CONTINUE_OLD
SNDRV_TIMER_IOCTL_PAUSE_OLD

Definition at line 1768 of file timer.c.

Function Documentation

MODULE_ALIAS

(

"devname:snd/timer"

)

MODULE_ALIAS_CHARDEV	(	CONFIG_SND_MAJOR	,
		SNDRV_MINOR_TIMER
	)

MODULE_AUTHOR	(	"Jaroslav Kysela <[email protected]>	,
		Takashi Iwai< tiwai @suse.de >"
	)

MODULE_DESCRIPTION

(

"ALSA timer interface"

)

MODULE_LICENSE

(

"GPL"

)

module_param	(	timer_limit	,
		int	,
		0444
	)

module_param	(	timer_tstamp_monotonic	,
		int	,
		0444
	)

MODULE_PARM_DESC	(	timer_limit	,
		"Maximum global timers in system."
	)

MODULE_PARM_DESC	(	timer_tstamp_monotonic	,
		"Use posix monotonic clock source for timestamps (default)."
	)

int snd_timer_close

(

struct snd_timer_instance *

timeri

)

Definition at line 307 of file timer.c.

int snd_timer_continue

(

struct snd_timer_instance *

timeri

)

Definition at line 550 of file timer.c.

int snd_timer_global_free

(

struct snd_timer *

timer

)

Definition at line 932 of file timer.c.

int snd_timer_global_new	(	char *	id,
		int	device,
		struct snd_timer **	rtimer
	)

Definition at line 920 of file timer.c.

int snd_timer_global_register

(

struct snd_timer *

timer

)

Definition at line 937 of file timer.c.

void snd_timer_interrupt	(	struct snd_timer *	timer,
		unsigned long	ticks_left
	)

Definition at line 655 of file timer.c.

int snd_timer_new	(	struct snd_card *	card,
		char *	id,
		struct snd_timer_id *	tid,
		struct snd_timer **	rtimer
	)

Definition at line 760 of file timer.c.

void snd_timer_notify	(	struct snd_timer *	timer,
		int	event,
		struct timespec *	tstamp
	)

Definition at line 887 of file timer.c.

int snd_timer_open	(	struct snd_timer_instance **	ti,
		char *	owner,
		struct snd_timer_id *	tid,
		unsigned int	slave_id
	)

Definition at line 232 of file timer.c.

int snd_timer_pause

(

struct snd_timer_instance *

timeri

)

Definition at line 576 of file timer.c.

unsigned long snd_timer_resolution

(

struct snd_timer_instance *

timeri

)

Definition at line 369 of file timer.c.

int snd_timer_start	(	struct snd_timer_instance *	timeri,
		unsigned int	ticks
	)

Definition at line 453 of file timer.c.

int snd_timer_stop

(

struct snd_timer_instance *

timeri

)

Definition at line 528 of file timer.c.