#include <sound/asound.h>
#include <linux/interrupt.h>
-typedef enum sndrv_timer_class snd_timer_class_t;
-typedef enum sndrv_timer_slave_class snd_timer_slave_class_t;
-typedef enum sndrv_timer_global snd_timer_global_t;
-typedef struct sndrv_timer_id snd_timer_id_t;
-typedef struct sndrv_timer_ginfo snd_timer_ginfo_t;
-typedef struct sndrv_timer_gparams snd_timer_gparams_t;
-typedef struct sndrv_timer_gstatus snd_timer_gstatus_t;
-typedef struct sndrv_timer_select snd_timer_select_t;
-typedef struct sndrv_timer_info snd_timer_info_t;
-typedef struct sndrv_timer_params snd_timer_params_t;
-typedef struct sndrv_timer_status snd_timer_status_t;
-typedef struct sndrv_timer_read snd_timer_read_t;
-typedef struct sndrv_timer_tread snd_timer_tread_t;
-
#define snd_timer_chip(timer) ((timer)->private_data)
#define SNDRV_TIMER_DEVICES 16
#define SNDRV_TIMER_FLG_CHANGE 0x00000001
#define SNDRV_TIMER_FLG_RESCHED 0x00000002 /* need reschedule */
-typedef void (*snd_timer_callback_t) (snd_timer_instance_t * timeri, unsigned long ticks, unsigned long resolution);
-typedef void (*snd_timer_ccallback_t) (snd_timer_instance_t * timeri, enum sndrv_timer_event event,
- struct timespec * tstamp, unsigned long resolution);
+struct snd_timer;
-struct _snd_timer_hardware {
+struct snd_timer_hardware {
/* -- must be filled with low-level driver */
unsigned int flags; /* various flags */
unsigned long resolution; /* average timer resolution for one tick in nsec */
unsigned long resolution_max; /* maximal resolution */
unsigned long ticks; /* max timer ticks per interrupt */
/* -- low-level functions -- */
- int (*open) (snd_timer_t * timer);
- int (*close) (snd_timer_t * timer);
- unsigned long (*c_resolution) (snd_timer_t * timer);
- int (*start) (snd_timer_t * timer);
- int (*stop) (snd_timer_t * timer);
- int (*set_period) (snd_timer_t * timer, unsigned long period_num, unsigned long period_den);
- int (*precise_resolution) (snd_timer_t * timer, unsigned long *num, unsigned long *den);
+ int (*open) (struct snd_timer * timer);
+ int (*close) (struct snd_timer * timer);
+ unsigned long (*c_resolution) (struct snd_timer * timer);
+ int (*start) (struct snd_timer * timer);
+ int (*stop) (struct snd_timer * timer);
+ int (*set_period) (struct snd_timer * timer, unsigned long period_num, unsigned long period_den);
+ int (*precise_resolution) (struct snd_timer * timer, unsigned long *num, unsigned long *den);
};
-struct _snd_timer {
- snd_timer_class_t tmr_class;
- snd_card_t *card;
+struct snd_timer {
+ int tmr_class;
+ struct snd_card *card;
+ struct module *module;
int tmr_device;
int tmr_subdevice;
char id[64];
int running; /* running instances */
unsigned long sticks; /* schedule ticks */
void *private_data;
- void (*private_free) (snd_timer_t *timer);
- struct _snd_timer_hardware hw;
+ void (*private_free) (struct snd_timer *timer);
+ struct snd_timer_hardware hw;
spinlock_t lock;
struct list_head device_list;
struct list_head open_list_head;
struct tasklet_struct task_queue;
};
-struct _snd_timer_instance {
- snd_timer_t * timer;
+struct snd_timer_instance {
+ struct snd_timer *timer;
char *owner;
unsigned int flags;
void *private_data;
- void (*private_free) (snd_timer_instance_t *ti);
- snd_timer_callback_t callback;
- snd_timer_ccallback_t ccallback;
+ void (*private_free) (struct snd_timer_instance *ti);
+ void (*callback) (struct snd_timer_instance *timeri,
+ unsigned long ticks, unsigned long resolution);
+ void (*ccallback) (struct snd_timer_instance * timeri,
+ int event,
+ struct timespec * tstamp,
+ unsigned long resolution);
void *callback_data;
unsigned long ticks; /* auto-load ticks when expired */
unsigned long cticks; /* current ticks */
unsigned long pticks; /* accumulated ticks for callback */
unsigned long resolution; /* current resolution for tasklet */
unsigned long lost; /* lost ticks */
- snd_timer_slave_class_t slave_class;
+ int slave_class;
unsigned int slave_id;
struct list_head open_list;
struct list_head active_list;
struct list_head ack_list;
struct list_head slave_list_head;
struct list_head slave_active_head;
- snd_timer_instance_t *master;
+ struct snd_timer_instance *master;
};
/*
* Registering
*/
-extern int snd_timer_new(snd_card_t *card, char *id, snd_timer_id_t *tid, snd_timer_t ** rtimer);
-extern void snd_timer_notify(snd_timer_t *timer, enum sndrv_timer_event event, struct timespec *tstamp);
-extern int snd_timer_global_new(char *id, int device, snd_timer_t **rtimer);
-extern int snd_timer_global_free(snd_timer_t *timer);
-extern int snd_timer_global_register(snd_timer_t *timer);
-extern int snd_timer_global_unregister(snd_timer_t *timer);
-
-extern int snd_timer_open(snd_timer_instance_t ** ti, char *owner, snd_timer_id_t *tid, unsigned int slave_id);
-extern int snd_timer_close(snd_timer_instance_t * timeri);
-extern unsigned long snd_timer_resolution(snd_timer_instance_t * timeri);
-extern int snd_timer_start(snd_timer_instance_t * timeri, unsigned int ticks);
-extern int snd_timer_stop(snd_timer_instance_t * timeri);
-extern int snd_timer_continue(snd_timer_instance_t * timeri);
-extern int snd_timer_pause(snd_timer_instance_t * timeri);
-
-extern void snd_timer_interrupt(snd_timer_t * timer, unsigned long ticks_left);
-
-extern unsigned int snd_timer_system_resolution(void);
+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_global_unregister(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);
#endif /* __SOUND_TIMER_H */
git://git.onelab.eu / linux-2.6.git / blobdiff