#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;
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);
+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 */
module_param(timer_limit, int, 0444);
MODULE_PARM_DESC(timer_limit, "Maximum global timers in system.");
-typedef struct {
- snd_timer_instance_t *timeri;
+struct snd_timer_user {
+ struct snd_timer_instance *timeri;
int tread; /* enhanced read with timestamps and events */
unsigned long ticks;
unsigned long overrun;
int qtail;
int qused;
int queue_size;
- snd_timer_read_t *queue;
- snd_timer_tread_t *tqueue;
+ struct snd_timer_read *queue;
+ struct snd_timer_tread *tqueue;
spinlock_t qlock;
unsigned long last_resolution;
unsigned int filter;
wait_queue_head_t qchange_sleep;
struct fasync_struct *fasync;
struct semaphore tread_sem;
-} snd_timer_user_t;
+};
/* list of timers */
static LIST_HEAD(snd_timer_list);
static DECLARE_MUTEX(register_mutex);
-static int snd_timer_free(snd_timer_t *timer);
-static int snd_timer_dev_free(snd_device_t *device);
-static int snd_timer_dev_register(snd_device_t *device);
-static int snd_timer_dev_unregister(snd_device_t *device);
+static int snd_timer_free(struct snd_timer *timer);
+static int snd_timer_dev_free(struct snd_device *device);
+static int snd_timer_dev_register(struct snd_device *device);
+static int snd_timer_dev_unregister(struct snd_device *device);
-static void snd_timer_reschedule(snd_timer_t * timer, unsigned long ticks_left);
+static void snd_timer_reschedule(struct snd_timer * timer, unsigned long ticks_left);
/*
* create a timer instance with the given owner string.
* when timer is not NULL, increments the module counter
*/
-static snd_timer_instance_t *snd_timer_instance_new(char *owner,
- snd_timer_t *timer)
+static struct snd_timer_instance *snd_timer_instance_new(char *owner,
+ struct snd_timer *timer)
{
- snd_timer_instance_t *timeri;
+ struct snd_timer_instance *timeri;
timeri = kzalloc(sizeof(*timeri), GFP_KERNEL);
if (timeri == NULL)
return NULL;
/*
* find a timer instance from the given timer id
*/
-static snd_timer_t *snd_timer_find(snd_timer_id_t *tid)
+static struct snd_timer *snd_timer_find(struct snd_timer_id *tid)
{
- snd_timer_t *timer = NULL;
+ struct snd_timer *timer = NULL;
struct list_head *p;
list_for_each(p, &snd_timer_list) {
- timer = list_entry(p, snd_timer_t, device_list);
+ timer = list_entry(p, struct snd_timer, device_list);
if (timer->tmr_class != tid->dev_class)
continue;
#ifdef CONFIG_KMOD
-static void snd_timer_request(snd_timer_id_t *tid)
+static void snd_timer_request(struct snd_timer_id *tid)
{
if (! current->fs->root)
return;
*
* call this with register_mutex down.
*/
-static void snd_timer_check_slave(snd_timer_instance_t *slave)
+static void snd_timer_check_slave(struct snd_timer_instance *slave)
{
- snd_timer_t *timer;
- snd_timer_instance_t *master;
+ struct snd_timer *timer;
+ struct snd_timer_instance *master;
struct list_head *p, *q;
/* FIXME: it's really dumb to look up all entries.. */
list_for_each(p, &snd_timer_list) {
- timer = list_entry(p, snd_timer_t, device_list);
+ timer = list_entry(p, struct snd_timer, device_list);
list_for_each(q, &timer->open_list_head) {
- master = list_entry(q, snd_timer_instance_t, open_list);
+ master = list_entry(q, struct snd_timer_instance, open_list);
if (slave->slave_class == master->slave_class &&
slave->slave_id == master->slave_id) {
list_del(&slave->open_list);
*
* call this with register_mutex down.
*/
-static void snd_timer_check_master(snd_timer_instance_t *master)
+static void snd_timer_check_master(struct snd_timer_instance *master)
{
- snd_timer_instance_t *slave;
+ struct snd_timer_instance *slave;
struct list_head *p, *n;
/* check all pending slaves */
list_for_each_safe(p, n, &snd_timer_slave_list) {
- slave = list_entry(p, snd_timer_instance_t, open_list);
+ slave = list_entry(p, struct snd_timer_instance, open_list);
if (slave->slave_class == master->slave_class &&
slave->slave_id == master->slave_id) {
list_del(p);
* open a timer instance
* when opening a master, the slave id must be here given.
*/
-int snd_timer_open(snd_timer_instance_t **ti,
- char *owner, snd_timer_id_t *tid,
+int snd_timer_open(struct snd_timer_instance **ti,
+ char *owner, struct snd_timer_id *tid,
unsigned int slave_id)
{
- snd_timer_t *timer;
- snd_timer_instance_t *timeri = NULL;
+ struct snd_timer *timer;
+ struct snd_timer_instance *timeri = NULL;
if (tid->dev_class == SNDRV_TIMER_CLASS_SLAVE) {
/* open a slave instance */
}
if (!list_empty(&timer->open_list_head)) {
timeri = list_entry(timer->open_list_head.next,
- snd_timer_instance_t, open_list);
+ struct snd_timer_instance, open_list);
if (timeri->flags & SNDRV_TIMER_IFLG_EXCLUSIVE) {
up(®ister_mutex);
return -EBUSY;
return 0;
}
-static int _snd_timer_stop(snd_timer_instance_t * timeri,
- int keep_flag, enum sndrv_timer_event event);
+static int _snd_timer_stop(struct snd_timer_instance *timeri,
+ int keep_flag, int event);
/*
* close a timer instance
*/
-int snd_timer_close(snd_timer_instance_t * timeri)
+int snd_timer_close(struct snd_timer_instance *timeri)
{
- snd_timer_t *timer = NULL;
+ struct snd_timer *timer = NULL;
struct list_head *p, *n;
- snd_timer_instance_t *slave;
+ struct snd_timer_instance *slave;
snd_assert(timeri != NULL, return -ENXIO);
timer->hw.close(timer);
/* remove slave links */
list_for_each_safe(p, n, &timeri->slave_list_head) {
- slave = list_entry(p, snd_timer_instance_t, open_list);
+ slave = list_entry(p, struct snd_timer_instance, open_list);
spin_lock_irq(&slave_active_lock);
_snd_timer_stop(slave, 1, SNDRV_TIMER_EVENT_RESOLUTION);
list_del(p);
return 0;
}
-unsigned long snd_timer_resolution(snd_timer_instance_t * timeri)
+unsigned long snd_timer_resolution(struct snd_timer_instance *timeri)
{
- snd_timer_t * timer;
+ struct snd_timer * timer;
if (timeri == NULL)
return 0;
return 0;
}
-static void snd_timer_notify1(snd_timer_instance_t *ti,
- enum sndrv_timer_event event)
+static void snd_timer_notify1(struct snd_timer_instance *ti, int event)
{
- snd_timer_t *timer;
+ struct snd_timer *timer;
unsigned long flags;
unsigned long resolution = 0;
- snd_timer_instance_t *ts;
+ struct snd_timer_instance *ts;
struct list_head *n;
struct timespec tstamp;
return;
spin_lock_irqsave(&timer->lock, flags);
list_for_each(n, &ti->slave_active_head) {
- ts = list_entry(n, snd_timer_instance_t, active_list);
+ ts = list_entry(n, struct snd_timer_instance, active_list);
if (ts->ccallback)
ts->ccallback(ti, event + 100, &tstamp, resolution);
}
spin_unlock_irqrestore(&timer->lock, flags);
}
-static int snd_timer_start1(snd_timer_t *timer, snd_timer_instance_t *timeri,
+static int snd_timer_start1(struct snd_timer *timer, struct snd_timer_instance *timeri,
unsigned long sticks)
{
list_del(&timeri->active_list);
}
}
-static int snd_timer_start_slave(snd_timer_instance_t *timeri)
+static int snd_timer_start_slave(struct snd_timer_instance *timeri)
{
unsigned long flags;
/*
* start the timer instance
*/
-int snd_timer_start(snd_timer_instance_t * timeri, unsigned int ticks)
+int snd_timer_start(struct snd_timer_instance *timeri, unsigned int ticks)
{
- snd_timer_t *timer;
+ struct snd_timer *timer;
int result = -EINVAL;
unsigned long flags;
return result;
}
-static int _snd_timer_stop(snd_timer_instance_t * timeri,
- int keep_flag, enum sndrv_timer_event event)
+static int _snd_timer_stop(struct snd_timer_instance * timeri,
+ int keep_flag, int event)
{
- snd_timer_t *timer;
+ struct snd_timer *timer;
unsigned long flags;
snd_assert(timeri != NULL, return -ENXIO);
*
* do not call this from the timer callback!
*/
-int snd_timer_stop(snd_timer_instance_t * timeri)
+int snd_timer_stop(struct snd_timer_instance *timeri)
{
- snd_timer_t *timer;
+ struct snd_timer *timer;
unsigned long flags;
int err;
/*
* start again.. the tick is kept.
*/
-int snd_timer_continue(snd_timer_instance_t * timeri)
+int snd_timer_continue(struct snd_timer_instance *timeri)
{
- snd_timer_t *timer;
+ struct snd_timer *timer;
int result = -EINVAL;
unsigned long flags;
/*
* pause.. remember the ticks left
*/
-int snd_timer_pause(snd_timer_instance_t * timeri)
+int snd_timer_pause(struct snd_timer_instance * timeri)
{
return _snd_timer_stop(timeri, 0, SNDRV_TIMER_EVENT_PAUSE);
}
* start pending instances and check the scheduling ticks.
* when the scheduling ticks is changed set CHANGE flag to reprogram the timer.
*/
-static void snd_timer_reschedule(snd_timer_t * timer, unsigned long ticks_left)
+static void snd_timer_reschedule(struct snd_timer * timer, unsigned long ticks_left)
{
- snd_timer_instance_t *ti;
+ struct snd_timer_instance *ti;
unsigned long ticks = ~0UL;
struct list_head *p;
list_for_each(p, &timer->active_list_head) {
- ti = list_entry(p, snd_timer_instance_t, active_list);
+ ti = list_entry(p, struct snd_timer_instance, active_list);
if (ti->flags & SNDRV_TIMER_IFLG_START) {
ti->flags &= ~SNDRV_TIMER_IFLG_START;
ti->flags |= SNDRV_TIMER_IFLG_RUNNING;
*/
static void snd_timer_tasklet(unsigned long arg)
{
- snd_timer_t *timer = (snd_timer_t *) arg;
- snd_timer_instance_t *ti;
+ struct snd_timer *timer = (struct snd_timer *) arg;
+ struct snd_timer_instance *ti;
struct list_head *p;
unsigned long resolution, ticks;
/* now process all callbacks */
while (!list_empty(&timer->sack_list_head)) {
p = timer->sack_list_head.next; /* get first item */
- ti = list_entry(p, snd_timer_instance_t, ack_list);
+ ti = list_entry(p, struct snd_timer_instance, ack_list);
/* remove from ack_list and make empty */
list_del_init(p);
* ticks_left is usually equal to timer->sticks.
*
*/
-void snd_timer_interrupt(snd_timer_t * timer, unsigned long ticks_left)
+void snd_timer_interrupt(struct snd_timer * timer, unsigned long ticks_left)
{
- snd_timer_instance_t *ti, *ts;
+ struct snd_timer_instance *ti, *ts;
unsigned long resolution, ticks;
struct list_head *p, *q, *n, *ack_list_head;
int use_tasklet = 0;
* is called.
*/
list_for_each_safe(p, n, &timer->active_list_head) {
- ti = list_entry(p, snd_timer_instance_t, active_list);
+ ti = list_entry(p, struct snd_timer_instance, active_list);
if (!(ti->flags & SNDRV_TIMER_IFLG_RUNNING))
continue;
ti->pticks += ticks_left;
if (list_empty(&ti->ack_list))
list_add_tail(&ti->ack_list, ack_list_head);
list_for_each(q, &ti->slave_active_head) {
- ts = list_entry(q, snd_timer_instance_t, active_list);
+ ts = list_entry(q, struct snd_timer_instance, active_list);
ts->pticks = ti->pticks;
ts->resolution = resolution;
if (list_empty(&ts->ack_list))
/* now process all fast callbacks */
while (!list_empty(&timer->ack_list_head)) {
p = timer->ack_list_head.next; /* get first item */
- ti = list_entry(p, snd_timer_instance_t, ack_list);
+ ti = list_entry(p, struct snd_timer_instance, ack_list);
/* remove from ack_list and make empty */
list_del_init(p);
*/
-int snd_timer_new(snd_card_t *card, char *id, snd_timer_id_t *tid,
- snd_timer_t **rtimer)
+int snd_timer_new(struct snd_card *card, char *id, struct snd_timer_id *tid,
+ struct snd_timer **rtimer)
{
- snd_timer_t *timer;
+ struct snd_timer *timer;
int err;
- static snd_device_ops_t ops = {
+ static struct snd_device_ops ops = {
.dev_free = snd_timer_dev_free,
.dev_register = snd_timer_dev_register,
.dev_unregister = snd_timer_dev_unregister
return 0;
}
-static int snd_timer_free(snd_timer_t *timer)
+static int snd_timer_free(struct snd_timer *timer)
{
snd_assert(timer != NULL, return -ENXIO);
if (timer->private_free)
return 0;
}
-static int snd_timer_dev_free(snd_device_t *device)
+static int snd_timer_dev_free(struct snd_device *device)
{
- snd_timer_t *timer = device->device_data;
+ struct snd_timer *timer = device->device_data;
return snd_timer_free(timer);
}
-static int snd_timer_dev_register(snd_device_t *dev)
+static int snd_timer_dev_register(struct snd_device *dev)
{
- snd_timer_t *timer = dev->device_data;
- snd_timer_t *timer1;
+ struct snd_timer *timer = dev->device_data;
+ struct snd_timer *timer1;
struct list_head *p;
snd_assert(timer != NULL && timer->hw.start != NULL &&
down(®ister_mutex);
list_for_each(p, &snd_timer_list) {
- timer1 = list_entry(p, snd_timer_t, device_list);
+ timer1 = list_entry(p, struct snd_timer, device_list);
if (timer1->tmr_class > timer->tmr_class)
break;
if (timer1->tmr_class < timer->tmr_class)
return 0;
}
-static int snd_timer_unregister(snd_timer_t *timer)
+static int snd_timer_unregister(struct snd_timer *timer)
{
struct list_head *p, *n;
- snd_timer_instance_t *ti;
+ struct snd_timer_instance *ti;
snd_assert(timer != NULL, return -ENXIO);
down(®ister_mutex);
snd_printk(KERN_WARNING "timer 0x%lx is busy?\n", (long)timer);
list_for_each_safe(p, n, &timer->open_list_head) {
list_del_init(p);
- ti = list_entry(p, snd_timer_instance_t, open_list);
+ ti = list_entry(p, struct snd_timer_instance, open_list);
ti->timer = NULL;
}
}
return snd_timer_free(timer);
}
-static int snd_timer_dev_unregister(snd_device_t *device)
+static int snd_timer_dev_unregister(struct snd_device *device)
{
- snd_timer_t *timer = device->device_data;
+ struct snd_timer *timer = device->device_data;
return snd_timer_unregister(timer);
}
-void snd_timer_notify(snd_timer_t *timer, enum sndrv_timer_event event,
- struct timespec *tstamp)
+void snd_timer_notify(struct snd_timer *timer, int event, struct timespec *tstamp)
{
unsigned long flags;
unsigned long resolution = 0;
- snd_timer_instance_t *ti, *ts;
+ struct snd_timer_instance *ti, *ts;
struct list_head *p, *n;
if (! (timer->hw.flags & SNDRV_TIMER_HW_SLAVE))
resolution = timer->hw.resolution;
}
list_for_each(p, &timer->active_list_head) {
- ti = list_entry(p, snd_timer_instance_t, active_list);
+ ti = list_entry(p, struct snd_timer_instance, active_list);
if (ti->ccallback)
ti->ccallback(ti, event, tstamp, resolution);
list_for_each(n, &ti->slave_active_head) {
- ts = list_entry(n, snd_timer_instance_t, active_list);
+ ts = list_entry(n, struct snd_timer_instance, active_list);
if (ts->ccallback)
ts->ccallback(ts, event, tstamp, resolution);
}
/*
* exported functions for global timers
*/
-int snd_timer_global_new(char *id, int device, snd_timer_t **rtimer)
+int snd_timer_global_new(char *id, int device, struct snd_timer **rtimer)
{
- snd_timer_id_t tid;
+ struct snd_timer_id tid;
tid.dev_class = SNDRV_TIMER_CLASS_GLOBAL;
tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE;
return snd_timer_new(NULL, id, &tid, rtimer);
}
-int snd_timer_global_free(snd_timer_t *timer)
+int snd_timer_global_free(struct snd_timer *timer)
{
return snd_timer_free(timer);
}
-int snd_timer_global_register(snd_timer_t *timer)
+int snd_timer_global_register(struct snd_timer *timer)
{
- snd_device_t dev;
+ struct snd_device dev;
memset(&dev, 0, sizeof(dev));
dev.device_data = timer;
return snd_timer_dev_register(&dev);
}
-int snd_timer_global_unregister(snd_timer_t *timer)
+int snd_timer_global_unregister(struct snd_timer *timer)
{
return snd_timer_unregister(timer);
}
static void snd_timer_s_function(unsigned long data)
{
- snd_timer_t *timer = (snd_timer_t *)data;
+ struct snd_timer *timer = (struct snd_timer *)data;
struct snd_timer_system_private *priv = timer->private_data;
unsigned long jiff = jiffies;
if (time_after(jiff, priv->last_expires))
snd_timer_interrupt(timer, (long)jiff - (long)priv->last_jiffies);
}
-static int snd_timer_s_start(snd_timer_t * timer)
+static int snd_timer_s_start(struct snd_timer * timer)
{
struct snd_timer_system_private *priv;
unsigned long njiff;
return 0;
}
-static int snd_timer_s_stop(snd_timer_t * timer)
+static int snd_timer_s_stop(struct snd_timer * timer)
{
struct snd_timer_system_private *priv;
unsigned long jiff;
return 0;
}
-static struct _snd_timer_hardware snd_timer_system =
+static struct snd_timer_hardware snd_timer_system =
{
.flags = SNDRV_TIMER_HW_FIRST | SNDRV_TIMER_HW_TASKLET,
.resolution = 1000000000L / HZ,
.stop = snd_timer_s_stop
};
-static void snd_timer_free_system(snd_timer_t *timer)
+static void snd_timer_free_system(struct snd_timer *timer)
{
kfree(timer->private_data);
}
static int snd_timer_register_system(void)
{
- snd_timer_t *timer;
+ struct snd_timer *timer;
struct snd_timer_system_private *priv;
int err;
* Info interface
*/
-static void snd_timer_proc_read(snd_info_entry_t *entry,
- snd_info_buffer_t * buffer)
+static void snd_timer_proc_read(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer)
{
unsigned long flags;
- snd_timer_t *timer;
- snd_timer_instance_t *ti;
+ struct snd_timer *timer;
+ struct snd_timer_instance *ti;
struct list_head *p, *q;
down(®ister_mutex);
list_for_each(p, &snd_timer_list) {
- timer = list_entry(p, snd_timer_t, device_list);
+ timer = list_entry(p, struct snd_timer, device_list);
switch (timer->tmr_class) {
case SNDRV_TIMER_CLASS_GLOBAL:
snd_iprintf(buffer, "G%i: ", timer->tmr_device);
snd_iprintf(buffer, "\n");
spin_lock_irqsave(&timer->lock, flags);
list_for_each(q, &timer->open_list_head) {
- ti = list_entry(q, snd_timer_instance_t, open_list);
+ ti = list_entry(q, struct snd_timer_instance, open_list);
snd_iprintf(buffer, " Client %s : %s\n",
ti->owner ? ti->owner : "unknown",
ti->flags & (SNDRV_TIMER_IFLG_START |
* USER SPACE interface
*/
-static void snd_timer_user_interrupt(snd_timer_instance_t *timeri,
+static void snd_timer_user_interrupt(struct snd_timer_instance *timeri,
unsigned long resolution,
unsigned long ticks)
{
- snd_timer_user_t *tu = timeri->callback_data;
- snd_timer_read_t *r;
+ struct snd_timer_user *tu = timeri->callback_data;
+ struct snd_timer_read *r;
int prev;
spin_lock(&tu->qlock);
wake_up(&tu->qchange_sleep);
}
-static void snd_timer_user_append_to_tqueue(snd_timer_user_t *tu,
- snd_timer_tread_t *tread)
+static void snd_timer_user_append_to_tqueue(struct snd_timer_user *tu,
+ struct snd_timer_tread *tread)
{
if (tu->qused >= tu->queue_size) {
tu->overrun++;
}
}
-static void snd_timer_user_ccallback(snd_timer_instance_t *timeri,
- enum sndrv_timer_event event,
+static void snd_timer_user_ccallback(struct snd_timer_instance *timeri,
+ int event,
struct timespec *tstamp,
unsigned long resolution)
{
- snd_timer_user_t *tu = timeri->callback_data;
- snd_timer_tread_t r1;
+ struct snd_timer_user *tu = timeri->callback_data;
+ struct snd_timer_tread r1;
if (event >= SNDRV_TIMER_EVENT_START &&
event <= SNDRV_TIMER_EVENT_PAUSE)
wake_up(&tu->qchange_sleep);
}
-static void snd_timer_user_tinterrupt(snd_timer_instance_t *timeri,
+static void snd_timer_user_tinterrupt(struct snd_timer_instance *timeri,
unsigned long resolution,
unsigned long ticks)
{
- snd_timer_user_t *tu = timeri->callback_data;
- snd_timer_tread_t *r, r1;
+ struct snd_timer_user *tu = timeri->callback_data;
+ struct snd_timer_tread *r, r1;
struct timespec tstamp;
int prev, append = 0;
static int snd_timer_user_open(struct inode *inode, struct file *file)
{
- snd_timer_user_t *tu;
+ struct snd_timer_user *tu;
tu = kzalloc(sizeof(*tu), GFP_KERNEL);
if (tu == NULL)
init_MUTEX(&tu->tread_sem);
tu->ticks = 1;
tu->queue_size = 128;
- tu->queue = kmalloc(tu->queue_size * sizeof(snd_timer_read_t),
+ tu->queue = kmalloc(tu->queue_size * sizeof(struct snd_timer_read),
GFP_KERNEL);
if (tu->queue == NULL) {
kfree(tu);
static int snd_timer_user_release(struct inode *inode, struct file *file)
{
- snd_timer_user_t *tu;
+ struct snd_timer_user *tu;
if (file->private_data) {
tu = file->private_data;
return 0;
}
-static void snd_timer_user_zero_id(snd_timer_id_t *id)
+static void snd_timer_user_zero_id(struct snd_timer_id *id)
{
id->dev_class = SNDRV_TIMER_CLASS_NONE;
id->dev_sclass = SNDRV_TIMER_SCLASS_NONE;
id->subdevice = -1;
}
-static void snd_timer_user_copy_id(snd_timer_id_t *id, snd_timer_t *timer)
+static void snd_timer_user_copy_id(struct snd_timer_id *id, struct snd_timer *timer)
{
id->dev_class = timer->tmr_class;
id->dev_sclass = SNDRV_TIMER_SCLASS_NONE;
id->subdevice = timer->tmr_subdevice;
}
-static int snd_timer_user_next_device(snd_timer_id_t __user *_tid)
+static int snd_timer_user_next_device(struct snd_timer_id __user *_tid)
{
- snd_timer_id_t id;
- snd_timer_t *timer;
+ struct snd_timer_id id;
+ struct snd_timer *timer;
struct list_head *p;
if (copy_from_user(&id, _tid, sizeof(id)))
snd_timer_user_zero_id(&id);
else {
timer = list_entry(snd_timer_list.next,
- snd_timer_t, device_list);
+ struct snd_timer, device_list);
snd_timer_user_copy_id(&id, timer);
}
} else {
case SNDRV_TIMER_CLASS_GLOBAL:
id.device = id.device < 0 ? 0 : id.device + 1;
list_for_each(p, &snd_timer_list) {
- timer = list_entry(p, snd_timer_t, device_list);
+ timer = list_entry(p, struct snd_timer, device_list);
if (timer->tmr_class > SNDRV_TIMER_CLASS_GLOBAL) {
snd_timer_user_copy_id(&id, timer);
break;
}
}
list_for_each(p, &snd_timer_list) {
- timer = list_entry(p, snd_timer_t, device_list);
+ timer = list_entry(p, struct snd_timer, device_list);
if (timer->tmr_class > id.dev_class) {
snd_timer_user_copy_id(&id, timer);
break;
}
static int snd_timer_user_ginfo(struct file *file,
- snd_timer_ginfo_t __user *_ginfo)
+ struct snd_timer_ginfo __user *_ginfo)
{
- snd_timer_ginfo_t *ginfo;
- snd_timer_id_t tid;
- snd_timer_t *t;
+ struct snd_timer_ginfo *ginfo;
+ struct snd_timer_id tid;
+ struct snd_timer *t;
struct list_head *p;
int err = 0;
}
static int snd_timer_user_gparams(struct file *file,
- snd_timer_gparams_t __user *_gparams)
+ struct snd_timer_gparams __user *_gparams)
{
- snd_timer_gparams_t gparams;
- snd_timer_t *t;
+ struct snd_timer_gparams gparams;
+ struct snd_timer *t;
int err;
if (copy_from_user(&gparams, _gparams, sizeof(gparams)))
}
static int snd_timer_user_gstatus(struct file *file,
- snd_timer_gstatus_t __user *_gstatus)
+ struct snd_timer_gstatus __user *_gstatus)
{
- snd_timer_gstatus_t gstatus;
- snd_timer_id_t tid;
- snd_timer_t *t;
+ struct snd_timer_gstatus gstatus;
+ struct snd_timer_id tid;
+ struct snd_timer *t;
int err = 0;
if (copy_from_user(&gstatus, _gstatus, sizeof(gstatus)))
}
static int snd_timer_user_tselect(struct file *file,
- snd_timer_select_t __user *_tselect)
+ struct snd_timer_select __user *_tselect)
{
- snd_timer_user_t *tu;
- snd_timer_select_t tselect;
+ struct snd_timer_user *tu;
+ struct snd_timer_select tselect;
char str[32];
int err = 0;
kfree(tu->tqueue);
tu->tqueue = NULL;
if (tu->tread) {
- tu->tqueue = kmalloc(tu->queue_size * sizeof(snd_timer_tread_t),
+ tu->tqueue = kmalloc(tu->queue_size * sizeof(struct snd_timer_tread),
GFP_KERNEL);
if (tu->tqueue == NULL)
err = -ENOMEM;
} else {
- tu->queue = kmalloc(tu->queue_size * sizeof(snd_timer_read_t),
+ tu->queue = kmalloc(tu->queue_size * sizeof(struct snd_timer_read),
GFP_KERNEL);
if (tu->queue == NULL)
err = -ENOMEM;
}
static int snd_timer_user_info(struct file *file,
- snd_timer_info_t __user *_info)
+ struct snd_timer_info __user *_info)
{
- snd_timer_user_t *tu;
- snd_timer_info_t *info;
- snd_timer_t *t;
+ struct snd_timer_user *tu;
+ struct snd_timer_info *info;
+ struct snd_timer *t;
int err = 0;
tu = file->private_data;
}
static int snd_timer_user_params(struct file *file,
- snd_timer_params_t __user *_params)
+ struct snd_timer_params __user *_params)
{
- snd_timer_user_t *tu;
- snd_timer_params_t params;
- snd_timer_t *t;
- snd_timer_read_t *tr;
- snd_timer_tread_t *ttr;
+ struct snd_timer_user *tu;
+ struct snd_timer_params params;
+ struct snd_timer *t;
+ struct snd_timer_read *tr;
+ struct snd_timer_tread *ttr;
int err;
tu = file->private_data;
tu->qhead = tu->qtail = tu->qused = 0;
if (tu->timeri->flags & SNDRV_TIMER_IFLG_EARLY_EVENT) {
if (tu->tread) {
- snd_timer_tread_t tread;
+ struct snd_timer_tread tread;
tread.event = SNDRV_TIMER_EVENT_EARLY;
tread.tstamp.tv_sec = 0;
tread.tstamp.tv_nsec = 0;
tread.val = 0;
snd_timer_user_append_to_tqueue(tu, &tread);
} else {
- snd_timer_read_t *r = &tu->queue[0];
+ struct snd_timer_read *r = &tu->queue[0];
r->resolution = 0;
r->ticks = 0;
tu->qused++;
}
static int snd_timer_user_status(struct file *file,
- snd_timer_status_t __user *_status)
+ struct snd_timer_status __user *_status)
{
- snd_timer_user_t *tu;
- snd_timer_status_t status;
+ struct snd_timer_user *tu;
+ struct snd_timer_status status;
tu = file->private_data;
snd_assert(tu->timeri != NULL, return -ENXIO);
static int snd_timer_user_start(struct file *file)
{
int err;
- snd_timer_user_t *tu;
+ struct snd_timer_user *tu;
tu = file->private_data;
snd_assert(tu->timeri != NULL, return -ENXIO);
static int snd_timer_user_stop(struct file *file)
{
int err;
- snd_timer_user_t *tu;
+ struct snd_timer_user *tu;
tu = file->private_data;
snd_assert(tu->timeri != NULL, return -ENXIO);
static int snd_timer_user_continue(struct file *file)
{
int err;
- snd_timer_user_t *tu;
+ struct snd_timer_user *tu;
tu = file->private_data;
snd_assert(tu->timeri != NULL, return -ENXIO);
static int snd_timer_user_pause(struct file *file)
{
int err;
- snd_timer_user_t *tu;
+ struct snd_timer_user *tu;
tu = file->private_data;
snd_assert(tu->timeri != NULL, return -ENXIO);
static long snd_timer_user_ioctl(struct file *file, unsigned int cmd,
unsigned long arg)
{
- snd_timer_user_t *tu;
+ struct snd_timer_user *tu;
void __user *argp = (void __user *)arg;
int __user *p = argp;
static int snd_timer_user_fasync(int fd, struct file * file, int on)
{
- snd_timer_user_t *tu;
+ struct snd_timer_user *tu;
int err;
tu = file->private_data;
static ssize_t snd_timer_user_read(struct file *file, char __user *buffer,
size_t count, loff_t *offset)
{
- snd_timer_user_t *tu;
+ struct snd_timer_user *tu;
long result = 0, unit;
int err = 0;
tu = file->private_data;
- unit = tu->tread ? sizeof(snd_timer_tread_t) : sizeof(snd_timer_read_t);
+ unit = tu->tread ? sizeof(struct snd_timer_tread) : sizeof(struct snd_timer_read);
spin_lock_irq(&tu->qlock);
while ((long)count - result >= unit) {
while (!tu->qused) {
if (tu->tread) {
if (copy_to_user(buffer, &tu->tqueue[tu->qhead++],
- sizeof(snd_timer_tread_t))) {
+ sizeof(struct snd_timer_tread))) {
err = -EFAULT;
goto _error;
}
} else {
if (copy_to_user(buffer, &tu->queue[tu->qhead++],
- sizeof(snd_timer_read_t))) {
+ sizeof(struct snd_timer_read))) {
err = -EFAULT;
goto _error;
}
static unsigned int snd_timer_user_poll(struct file *file, poll_table * wait)
{
unsigned int mask;
- snd_timer_user_t *tu;
+ struct snd_timer_user *tu;
tu = file->private_data;
.fasync = snd_timer_user_fasync,
};
-static snd_minor_t snd_timer_reg =
+static struct snd_minor snd_timer_reg =
{
.comment = "timer",
.f_ops = &snd_timer_f_ops,
* ENTRY functions
*/
-static snd_info_entry_t *snd_timer_proc_entry = NULL;
+static struct snd_info_entry *snd_timer_proc_entry = NULL;
static int __init alsa_timer_init(void)
{
int err;
- snd_info_entry_t *entry;
+ struct snd_info_entry *entry;
#ifdef SNDRV_OSS_INFO_DEV_TIMERS
snd_oss_info_register(SNDRV_OSS_INFO_DEV_TIMERS, SNDRV_CARDS - 1,
snd_unregister_device(SNDRV_DEVICE_TYPE_TIMER, NULL, 0);
/* unregister the system timer */
list_for_each_safe(p, n, &snd_timer_list) {
- snd_timer_t *timer = list_entry(p, snd_timer_t, device_list);
+ struct snd_timer *timer = list_entry(p, struct snd_timer, device_list);
snd_timer_unregister(timer);
}
if (snd_timer_proc_entry) {