timer.h File Reference

#include <sound/asound.h>
#include <linux/interrupt.h>

Go to the source code of this file.

Data Structures
struct	snd_timer_hardware
struct	snd_timer
struct	snd_timer_instance

Macros
#define	snd_timer_chip(timer)   ((timer)->private_data)
#define	SNDRV_TIMER_DEVICES   16
#define	SNDRV_TIMER_DEV_FLG_PCM   0x10000000
#define	SNDRV_TIMER_HW_AUTO   0x00000001 /* auto trigger is supported */
#define	SNDRV_TIMER_HW_STOP   0x00000002 /* call stop before start */
#define	SNDRV_TIMER_HW_SLAVE   0x00000004 /* only slave timer (variable resolution) */
#define	SNDRV_TIMER_HW_FIRST   0x00000008 /* first tick can be incomplete */
#define	SNDRV_TIMER_HW_TASKLET   0x00000010 /* timer is called from tasklet */
#define	SNDRV_TIMER_IFLG_SLAVE   0x00000001
#define	SNDRV_TIMER_IFLG_RUNNING   0x00000002
#define	SNDRV_TIMER_IFLG_START   0x00000004
#define	SNDRV_TIMER_IFLG_AUTO   0x00000008 /* auto restart */
#define	SNDRV_TIMER_IFLG_FAST   0x00000010 /* fast callback (do not use tasklet) */
#define	SNDRV_TIMER_IFLG_CALLBACK   0x00000020 /* timer callback is active */
#define	SNDRV_TIMER_IFLG_EXCLUSIVE   0x00000040 /* exclusive owner - no more instances */
#define	SNDRV_TIMER_IFLG_EARLY_EVENT   0x00000080 /* write early event to the poll queue */
#define	SNDRV_TIMER_FLG_CHANGE   0x00000001
#define	SNDRV_TIMER_FLG_RESCHED   0x00000002 /* need reschedule */

Functions
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)
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)

Macro Definition Documentation

#define snd_timer_chip

(

timer

)

((timer)->private_data)

Definition at line 29 of file timer.h.

#define SNDRV_TIMER_DEV_FLG_PCM   0x10000000

Definition at line 33 of file timer.h.

#define SNDRV_TIMER_DEVICES   16

Definition at line 31 of file timer.h.

#define SNDRV_TIMER_FLG_CHANGE   0x00000001

Definition at line 50 of file timer.h.

#define SNDRV_TIMER_FLG_RESCHED   0x00000002 /* need reschedule */

Definition at line 51 of file timer.h.

#define SNDRV_TIMER_HW_AUTO   0x00000001 /* auto trigger is supported */

Definition at line 35 of file timer.h.

#define SNDRV_TIMER_HW_FIRST   0x00000008 /* first tick can be incomplete */

Definition at line 38 of file timer.h.

#define SNDRV_TIMER_HW_SLAVE   0x00000004 /* only slave timer (variable resolution) */

Definition at line 37 of file timer.h.

#define SNDRV_TIMER_HW_STOP   0x00000002 /* call stop before start */

Definition at line 36 of file timer.h.

#define SNDRV_TIMER_HW_TASKLET   0x00000010 /* timer is called from tasklet */

Definition at line 39 of file timer.h.

#define SNDRV_TIMER_IFLG_AUTO   0x00000008 /* auto restart */

Definition at line 44 of file timer.h.

#define SNDRV_TIMER_IFLG_CALLBACK   0x00000020 /* timer callback is active */

Definition at line 46 of file timer.h.

#define SNDRV_TIMER_IFLG_EARLY_EVENT   0x00000080 /* write early event to the poll queue */

Definition at line 48 of file timer.h.

#define SNDRV_TIMER_IFLG_EXCLUSIVE   0x00000040 /* exclusive owner - no more instances */

Definition at line 47 of file timer.h.

#define SNDRV_TIMER_IFLG_FAST   0x00000010 /* fast callback (do not use tasklet) */

Definition at line 45 of file timer.h.

#define SNDRV_TIMER_IFLG_RUNNING   0x00000002

Definition at line 42 of file timer.h.

#define SNDRV_TIMER_IFLG_SLAVE   0x00000001

Definition at line 41 of file timer.h.

#define SNDRV_TIMER_IFLG_START   0x00000004

Definition at line 43 of file timer.h.

Function Documentation

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.