60 	struct snd_timer_instance *timeri;  member
105 	struct snd_timer_instance *timeri;  in snd_timer_instance_new()  local
106 	timeri = kzalloc(sizeof(*timeri), GFP_KERNEL);  in snd_timer_instance_new()
107 	if (timeri == NULL)  in snd_timer_instance_new()
109 	timeri->owner = kstrdup(owner, GFP_KERNEL);  in snd_timer_instance_new()
110 	if (! timeri->owner) {  in snd_timer_instance_new()
111 		kfree(timeri);  in snd_timer_instance_new()
114 	INIT_LIST_HEAD(&timeri->open_list);  in snd_timer_instance_new()
115 	INIT_LIST_HEAD(&timeri->active_list);  in snd_timer_instance_new()
116 	INIT_LIST_HEAD(&timeri->ack_list);  in snd_timer_instance_new()
117 	INIT_LIST_HEAD(&timeri->slave_list_head);  in snd_timer_instance_new()
118 	INIT_LIST_HEAD(&timeri->slave_active_head);  in snd_timer_instance_new()
120 	timeri->timer = timer;  in snd_timer_instance_new()
122 		kfree(timeri->owner);  in snd_timer_instance_new()
123 		kfree(timeri);  in snd_timer_instance_new()
127 	return timeri;  in snd_timer_instance_new()
240 	struct snd_timer_instance *timeri = NULL;  in snd_timer_open()  local
251 		timeri = snd_timer_instance_new(owner, NULL);  in snd_timer_open()
252 		if (!timeri) {  in snd_timer_open()
256 		timeri->slave_class = tid->dev_sclass;  in snd_timer_open()
257 		timeri->slave_id = tid->device;  in snd_timer_open()
258 		timeri->flags |= SNDRV_TIMER_IFLG_SLAVE;  in snd_timer_open()
259 		list_add_tail(&timeri->open_list, &snd_timer_slave_list);  in snd_timer_open()
260 		snd_timer_check_slave(timeri);  in snd_timer_open()
262 		*ti = timeri;  in snd_timer_open()
282 		timeri = list_entry(timer->open_list_head.next,  in snd_timer_open()
284 		if (timeri->flags & SNDRV_TIMER_IFLG_EXCLUSIVE) {  in snd_timer_open()
289 	timeri = snd_timer_instance_new(owner, timer);  in snd_timer_open()
290 	if (!timeri) {  in snd_timer_open()
297 	timeri->slave_class = tid->dev_sclass;  in snd_timer_open()
298 	timeri->slave_id = slave_id;  in snd_timer_open()
301 	list_add_tail(&timeri->open_list, &timer->open_list_head);  in snd_timer_open()
302 	snd_timer_check_master(timeri);  in snd_timer_open()
304 	*ti = timeri;  in snd_timer_open()
308 static int _snd_timer_stop(struct snd_timer_instance *timeri, int event);
313 int snd_timer_close(struct snd_timer_instance *timeri)  in snd_timer_close()  argument
318 	if (snd_BUG_ON(!timeri))  in snd_timer_close()
322 	snd_timer_stop(timeri);  in snd_timer_close()
324 	if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE) {  in snd_timer_close()
327 		while (timeri->flags & SNDRV_TIMER_IFLG_CALLBACK) {  in snd_timer_close()
334 		list_del(&timeri->open_list);  in snd_timer_close()
337 		timer = timeri->timer;  in snd_timer_close()
342 		while (timeri->flags & SNDRV_TIMER_IFLG_CALLBACK) {  in snd_timer_close()
349 		list_del(&timeri->open_list);  in snd_timer_close()
356 		list_for_each_entry_safe(slave, tmp, &timeri->slave_list_head,  in snd_timer_close()
372 	if (timeri->private_free)  in snd_timer_close()
373 		timeri->private_free(timeri);  in snd_timer_close()
374 	kfree(timeri->owner);  in snd_timer_close()
375 	kfree(timeri);  in snd_timer_close()
381 unsigned long snd_timer_resolution(struct snd_timer_instance *timeri)  in snd_timer_resolution()  argument
385 	if (timeri == NULL)  in snd_timer_resolution()
387 	if ((timer = timeri->timer) != NULL) {  in snd_timer_resolution()
429 static int snd_timer_start1(struct snd_timer *timer, struct snd_timer_instance *timeri,  in snd_timer_start1()  argument
432 	list_move_tail(&timeri->active_list, &timer->active_list_head);  in snd_timer_start1()
437 		timeri->flags |= SNDRV_TIMER_IFLG_START;  in snd_timer_start1()
444 		timeri->flags |= SNDRV_TIMER_IFLG_RUNNING;  in snd_timer_start1()
449 static int snd_timer_start_slave(struct snd_timer_instance *timeri)  in snd_timer_start_slave()  argument
454 	if (timeri->flags & SNDRV_TIMER_IFLG_RUNNING) {  in snd_timer_start_slave()
458 	timeri->flags |= SNDRV_TIMER_IFLG_RUNNING;  in snd_timer_start_slave()
459 	if (timeri->master && timeri->timer) {  in snd_timer_start_slave()
460 		spin_lock(&timeri->timer->lock);  in snd_timer_start_slave()
461 		list_add_tail(&timeri->active_list,  in snd_timer_start_slave()
462 			      &timeri->master->slave_active_head);  in snd_timer_start_slave()
463 		spin_unlock(&timeri->timer->lock);  in snd_timer_start_slave()
472 int snd_timer_start(struct snd_timer_instance *timeri, unsigned int ticks)  in snd_timer_start()  argument
478 	if (timeri == NULL || ticks < 1)  in snd_timer_start()
480 	if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE) {  in snd_timer_start()
481 		result = snd_timer_start_slave(timeri);  in snd_timer_start()
483 			snd_timer_notify1(timeri, SNDRV_TIMER_EVENT_START);  in snd_timer_start()
486 	timer = timeri->timer;  in snd_timer_start()
492 	if (timeri->flags & (SNDRV_TIMER_IFLG_RUNNING |  in snd_timer_start()
497 	timeri->ticks = timeri->cticks = ticks;  in snd_timer_start()
498 	timeri->pticks = 0;  in snd_timer_start()
499 	result = snd_timer_start1(timer, timeri, ticks);  in snd_timer_start()
503 		snd_timer_notify1(timeri, SNDRV_TIMER_EVENT_START);  in snd_timer_start()
507 static int _snd_timer_stop(struct snd_timer_instance *timeri, int event)  in _snd_timer_stop()  argument
512 	if (snd_BUG_ON(!timeri))  in _snd_timer_stop()
515 	if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE) {  in _snd_timer_stop()
517 		if (!(timeri->flags & SNDRV_TIMER_IFLG_RUNNING)) {  in _snd_timer_stop()
521 		if (timeri->timer)  in _snd_timer_stop()
522 			spin_lock(&timeri->timer->lock);  in _snd_timer_stop()
523 		timeri->flags &= ~SNDRV_TIMER_IFLG_RUNNING;  in _snd_timer_stop()
524 		list_del_init(&timeri->ack_list);  in _snd_timer_stop()
525 		list_del_init(&timeri->active_list);  in _snd_timer_stop()
526 		if (timeri->timer)  in _snd_timer_stop()
527 			spin_unlock(&timeri->timer->lock);  in _snd_timer_stop()
531 	timer = timeri->timer;  in _snd_timer_stop()
535 	if (!(timeri->flags & (SNDRV_TIMER_IFLG_RUNNING |  in _snd_timer_stop()
540 	list_del_init(&timeri->ack_list);  in _snd_timer_stop()
541 	list_del_init(&timeri->active_list);  in _snd_timer_stop()
546 	if ((timeri->flags & SNDRV_TIMER_IFLG_RUNNING) &&  in _snd_timer_stop()
558 	timeri->flags &= ~(SNDRV_TIMER_IFLG_RUNNING | SNDRV_TIMER_IFLG_START);  in _snd_timer_stop()
562 		snd_timer_notify1(timeri, event);  in _snd_timer_stop()
571 int snd_timer_stop(struct snd_timer_instance *timeri)  in snd_timer_stop()  argument
577 	err = _snd_timer_stop(timeri, SNDRV_TIMER_EVENT_STOP);  in snd_timer_stop()
580 	timer = timeri->timer;  in snd_timer_stop()
584 	timeri->cticks = timeri->ticks;  in snd_timer_stop()
585 	timeri->pticks = 0;  in snd_timer_stop()
593 int snd_timer_continue(struct snd_timer_instance *timeri)  in snd_timer_continue()  argument
599 	if (timeri == NULL)  in snd_timer_continue()
601 	if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE)  in snd_timer_continue()
602 		return snd_timer_start_slave(timeri);  in snd_timer_continue()
603 	timer = timeri->timer;  in snd_timer_continue()
609 	if (timeri->flags & SNDRV_TIMER_IFLG_RUNNING) {  in snd_timer_continue()
613 	if (!timeri->cticks)  in snd_timer_continue()
614 		timeri->cticks = 1;  in snd_timer_continue()
615 	timeri->pticks = 0;  in snd_timer_continue()
616 	result = snd_timer_start1(timer, timeri, timer->sticks);  in snd_timer_continue()
619 	snd_timer_notify1(timeri, SNDRV_TIMER_EVENT_CONTINUE);  in snd_timer_continue()
626 int snd_timer_pause(struct snd_timer_instance * timeri)  in snd_timer_pause()  argument
628 	return _snd_timer_stop(timeri, SNDRV_TIMER_EVENT_PAUSE);  in snd_timer_pause()
933 static void snd_timer_user_ccallback(struct snd_timer_instance *timeri,
1192 static void snd_timer_user_interrupt(struct snd_timer_instance *timeri,  in snd_timer_user_interrupt()  argument
1196 	struct snd_timer_user *tu = timeri->callback_data;  in snd_timer_user_interrupt()
1236 static void snd_timer_user_ccallback(struct snd_timer_instance *timeri,  in snd_timer_user_ccallback()  argument
1241 	struct snd_timer_user *tu = timeri->callback_data;  in snd_timer_user_ccallback()
1260 static void snd_timer_user_tinterrupt(struct snd_timer_instance *timeri,  in snd_timer_user_tinterrupt()  argument
1264 	struct snd_timer_user *tu = timeri->callback_data;  in snd_timer_user_tinterrupt()
1353 		if (tu->timeri)  in snd_timer_user_release()
1354 			snd_timer_close(tu->timeri);  in snd_timer_user_release()
1593 	if (tu->timeri) {  in snd_timer_user_tselect()
1594 		snd_timer_close(tu->timeri);  in snd_timer_user_tselect()
1595 		tu->timeri = NULL;  in snd_timer_user_tselect()
1604 	err = snd_timer_open(&tu->timeri, str, &tselect.id, current->pid);  in snd_timer_user_tselect()
1625 		snd_timer_close(tu->timeri);  in snd_timer_user_tselect()
1626       		tu->timeri = NULL;  in snd_timer_user_tselect()
1628 		tu->timeri->flags |= SNDRV_TIMER_IFLG_FAST;  in snd_timer_user_tselect()
1629 		tu->timeri->callback = tu->tread  in snd_timer_user_tselect()
1631 		tu->timeri->ccallback = snd_timer_user_ccallback;  in snd_timer_user_tselect()
1632 		tu->timeri->callback_data = (void *)tu;  in snd_timer_user_tselect()
1648 	if (!tu->timeri)  in snd_timer_user_info()
1650 	t = tu->timeri->timer;  in snd_timer_user_info()
1680 	if (!tu->timeri)  in snd_timer_user_params()
1682 	t = tu->timeri->timer;  in snd_timer_user_params()
1713 	snd_timer_stop(tu->timeri);  in snd_timer_user_params()
1715 	tu->timeri->flags &= ~(SNDRV_TIMER_IFLG_AUTO|  in snd_timer_user_params()
1719 		tu->timeri->flags |= SNDRV_TIMER_IFLG_AUTO;  in snd_timer_user_params()
1721 		tu->timeri->flags |= SNDRV_TIMER_IFLG_EXCLUSIVE;  in snd_timer_user_params()
1723 		tu->timeri->flags |= SNDRV_TIMER_IFLG_EARLY_EVENT;  in snd_timer_user_params()
1746 	if (tu->timeri->flags & SNDRV_TIMER_IFLG_EARLY_EVENT) {  in snd_timer_user_params()
1778 	if (!tu->timeri)  in snd_timer_user_status()
1782 	status.resolution = snd_timer_resolution(tu->timeri);  in snd_timer_user_status()
1783 	status.lost = tu->timeri->lost;  in snd_timer_user_status()
1799 	if (!tu->timeri)  in snd_timer_user_start()
1801 	snd_timer_stop(tu->timeri);  in snd_timer_user_start()
1802 	tu->timeri->lost = 0;  in snd_timer_user_start()
1804 	return (err = snd_timer_start(tu->timeri, tu->ticks)) < 0 ? err : 0;  in snd_timer_user_start()
1813 	if (!tu->timeri)  in snd_timer_user_stop()
1815 	return (err = snd_timer_stop(tu->timeri)) < 0 ? err : 0;  in snd_timer_user_stop()
1824 	if (!tu->timeri)  in snd_timer_user_continue()
1826 	tu->timeri->lost = 0;  in snd_timer_user_continue()
1827 	return (err = snd_timer_continue(tu->timeri)) < 0 ? err : 0;  in snd_timer_user_continue()
1836 	if (!tu->timeri)  in snd_timer_user_pause()
1838 	return (err = snd_timer_pause(tu->timeri)) < 0 ? err : 0;  in snd_timer_user_pause()
1865 		if (tu->timeri)	/* too late */  in __snd_timer_user_ioctl()