70 	struct snd_timer_instance *timeri;  member
140 	struct snd_timer_instance *timeri;  in snd_timer_instance_new()  local
142 	timeri = kzalloc(sizeof(*timeri), GFP_KERNEL);  in snd_timer_instance_new()
143 	if (timeri == NULL)  in snd_timer_instance_new()
145 	timeri->owner = kstrdup(owner, GFP_KERNEL);  in snd_timer_instance_new()
146 	if (! timeri->owner) {  in snd_timer_instance_new()
147 		kfree(timeri);  in snd_timer_instance_new()
150 	INIT_LIST_HEAD(&timeri->open_list);  in snd_timer_instance_new()
151 	INIT_LIST_HEAD(&timeri->active_list);  in snd_timer_instance_new()
152 	INIT_LIST_HEAD(&timeri->ack_list);  in snd_timer_instance_new()
153 	INIT_LIST_HEAD(&timeri->slave_list_head);  in snd_timer_instance_new()
154 	INIT_LIST_HEAD(&timeri->slave_active_head);  in snd_timer_instance_new()
156 	return timeri;  in snd_timer_instance_new()
160 void snd_timer_instance_free(struct snd_timer_instance *timeri)  in snd_timer_instance_free()  argument
162 	if (timeri) {  in snd_timer_instance_free()
163 		if (timeri->private_free)  in snd_timer_instance_free()
164 			timeri->private_free(timeri);  in snd_timer_instance_free()
165 		kfree(timeri->owner);  in snd_timer_instance_free()
166 		kfree(timeri);  in snd_timer_instance_free()
282 static void snd_timer_close_locked(struct snd_timer_instance *timeri,
289 int snd_timer_open(struct snd_timer_instance *timeri,  in snd_timer_open()  argument
311 		timeri->slave_class = tid->dev_sclass;  in snd_timer_open()
312 		timeri->slave_id = tid->device;  in snd_timer_open()
313 		timeri->flags |= SNDRV_TIMER_IFLG_SLAVE;  in snd_timer_open()
314 		list_add_tail(&timeri->open_list, &snd_timer_slave_list);  in snd_timer_open()
316 		err = snd_timer_check_slave(timeri);  in snd_timer_open()
365 	timeri->timer = timer;  in snd_timer_open()
366 	timeri->slave_class = tid->dev_sclass;  in snd_timer_open()
367 	timeri->slave_id = slave_id;  in snd_timer_open()
369 	list_add_tail(&timeri->open_list, &timer->open_list_head);  in snd_timer_open()
371 	err = snd_timer_check_master(timeri);  in snd_timer_open()
374 		snd_timer_close_locked(timeri, &card_dev_to_put);  in snd_timer_open()
389 static void snd_timer_close_locked(struct snd_timer_instance *timeri,  in snd_timer_close_locked()  argument
392 	struct snd_timer *timer = timeri->timer;  in snd_timer_close_locked()
397 		timeri->flags |= SNDRV_TIMER_IFLG_DEAD;  in snd_timer_close_locked()
401 	if (!list_empty(&timeri->open_list)) {  in snd_timer_close_locked()
402 		list_del_init(&timeri->open_list);  in snd_timer_close_locked()
403 		if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE)  in snd_timer_close_locked()
408 	snd_timer_stop(timeri);  in snd_timer_close_locked()
414 		while (timeri->flags & SNDRV_TIMER_IFLG_CALLBACK) {  in snd_timer_close_locked()
424 		timeri->timer = NULL;  in snd_timer_close_locked()
425 		list_for_each_entry_safe(slave, tmp, &timeri->slave_list_head,  in snd_timer_close_locked()
438 		if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE)  in snd_timer_close_locked()
455 void snd_timer_close(struct snd_timer_instance *timeri)  in snd_timer_close()  argument
459 	if (snd_BUG_ON(!timeri))  in snd_timer_close()
463 	snd_timer_close_locked(timeri, &card_dev_to_put);  in snd_timer_close()
479 unsigned long snd_timer_resolution(struct snd_timer_instance *timeri)  in snd_timer_resolution()  argument
485 	if (timeri == NULL)  in snd_timer_resolution()
487 	timer = timeri->timer;  in snd_timer_resolution()
530 static int snd_timer_start1(struct snd_timer_instance *timeri,  in snd_timer_start1()  argument
537 	timer = timeri->timer;  in snd_timer_start1()
542 	if (timeri->flags & SNDRV_TIMER_IFLG_DEAD) {  in snd_timer_start1()
550 	if (timeri->flags & (SNDRV_TIMER_IFLG_RUNNING |  in snd_timer_start1()
557 		timeri->ticks = timeri->cticks = ticks;  in snd_timer_start1()
558 	else if (!timeri->cticks)  in snd_timer_start1()
559 		timeri->cticks = 1;  in snd_timer_start1()
560 	timeri->pticks = 0;  in snd_timer_start1()
562 	list_move_tail(&timeri->active_list, &timer->active_list_head);  in snd_timer_start1()
567 		timeri->flags |= SNDRV_TIMER_IFLG_START;  in snd_timer_start1()
575 		timeri->flags |= SNDRV_TIMER_IFLG_RUNNING;  in snd_timer_start1()
578 	snd_timer_notify1(timeri, start ? SNDRV_TIMER_EVENT_START :  in snd_timer_start1()
586 static int snd_timer_start_slave(struct snd_timer_instance *timeri,  in snd_timer_start_slave()  argument
593 	if (timeri->flags & SNDRV_TIMER_IFLG_DEAD) {  in snd_timer_start_slave()
597 	if (timeri->flags & SNDRV_TIMER_IFLG_RUNNING) {  in snd_timer_start_slave()
601 	timeri->flags |= SNDRV_TIMER_IFLG_RUNNING;  in snd_timer_start_slave()
602 	if (timeri->master && timeri->timer) {  in snd_timer_start_slave()
603 		spin_lock(&timeri->timer->lock);  in snd_timer_start_slave()
604 		list_add_tail(&timeri->active_list,  in snd_timer_start_slave()
605 			      &timeri->master->slave_active_head);  in snd_timer_start_slave()
606 		snd_timer_notify1(timeri, start ? SNDRV_TIMER_EVENT_START :  in snd_timer_start_slave()
608 		spin_unlock(&timeri->timer->lock);  in snd_timer_start_slave()
617 static int snd_timer_stop1(struct snd_timer_instance *timeri, bool stop)  in snd_timer_stop1()  argument
623 	timer = timeri->timer;  in snd_timer_stop1()
627 	list_del_init(&timeri->ack_list);  in snd_timer_stop1()
628 	list_del_init(&timeri->active_list);  in snd_timer_stop1()
629 	if (!(timeri->flags & (SNDRV_TIMER_IFLG_RUNNING |  in snd_timer_stop1()
637 		timeri->cticks = timeri->ticks;  in snd_timer_stop1()
638 		timeri->pticks = 0;  in snd_timer_stop1()
640 	if ((timeri->flags & SNDRV_TIMER_IFLG_RUNNING) &&  in snd_timer_stop1()
652 	timeri->flags &= ~(SNDRV_TIMER_IFLG_RUNNING | SNDRV_TIMER_IFLG_START);  in snd_timer_stop1()
654 		timeri->flags &= ~SNDRV_TIMER_IFLG_PAUSED;  in snd_timer_stop1()
656 		timeri->flags |= SNDRV_TIMER_IFLG_PAUSED;  in snd_timer_stop1()
657 	snd_timer_notify1(timeri, stop ? SNDRV_TIMER_EVENT_STOP :  in snd_timer_stop1()
665 static int snd_timer_stop_slave(struct snd_timer_instance *timeri, bool stop)  in snd_timer_stop_slave()  argument
671 	running = timeri->flags & SNDRV_TIMER_IFLG_RUNNING;  in snd_timer_stop_slave()
672 	timeri->flags &= ~SNDRV_TIMER_IFLG_RUNNING;  in snd_timer_stop_slave()
673 	if (timeri->timer) {  in snd_timer_stop_slave()
674 		spin_lock(&timeri->timer->lock);  in snd_timer_stop_slave()
675 		list_del_init(&timeri->ack_list);  in snd_timer_stop_slave()
676 		list_del_init(&timeri->active_list);  in snd_timer_stop_slave()
678 			snd_timer_notify1(timeri, stop ? SNDRV_TIMER_EVENT_STOP :  in snd_timer_stop_slave()
680 		spin_unlock(&timeri->timer->lock);  in snd_timer_stop_slave()
689 int snd_timer_start(struct snd_timer_instance *timeri, unsigned int ticks)  in snd_timer_start()  argument
691 	if (timeri == NULL || ticks < 1)  in snd_timer_start()
693 	if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE)  in snd_timer_start()
694 		return snd_timer_start_slave(timeri, true);  in snd_timer_start()
696 		return snd_timer_start1(timeri, true, ticks);  in snd_timer_start()
705 int snd_timer_stop(struct snd_timer_instance *timeri)  in snd_timer_stop()  argument
707 	if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE)  in snd_timer_stop()
708 		return snd_timer_stop_slave(timeri, true);  in snd_timer_stop()
710 		return snd_timer_stop1(timeri, true);  in snd_timer_stop()
717 int snd_timer_continue(struct snd_timer_instance *timeri)  in snd_timer_continue()  argument
720 	if (!(timeri->flags & SNDRV_TIMER_IFLG_PAUSED))  in snd_timer_continue()
723 	if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE)  in snd_timer_continue()
724 		return snd_timer_start_slave(timeri, false);  in snd_timer_continue()
726 		return snd_timer_start1(timeri, false, 0);  in snd_timer_continue()
733 int snd_timer_pause(struct snd_timer_instance * timeri)  in snd_timer_pause()  argument
735 	if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE)  in snd_timer_pause()
736 		return snd_timer_stop_slave(timeri, false);  in snd_timer_pause()
738 		return snd_timer_stop1(timeri, false);  in snd_timer_pause()
1320 static void snd_timer_user_interrupt(struct snd_timer_instance *timeri,  in snd_timer_user_interrupt()  argument
1324 	struct snd_timer_user *tu = timeri->callback_data;  in snd_timer_user_interrupt()
1364 static void snd_timer_user_ccallback(struct snd_timer_instance *timeri,  in snd_timer_user_ccallback()  argument
1369 	struct snd_timer_user *tu = timeri->callback_data;  in snd_timer_user_ccallback()
1390 static void snd_timer_user_disconnect(struct snd_timer_instance *timeri)  in snd_timer_user_disconnect()  argument
1392 	struct snd_timer_user *tu = timeri->callback_data;  in snd_timer_user_disconnect()
1398 static void snd_timer_user_tinterrupt(struct snd_timer_instance *timeri,  in snd_timer_user_tinterrupt()  argument
1402 	struct snd_timer_user *tu = timeri->callback_data;  in snd_timer_user_tinterrupt()
1519 		if (tu->timeri) {  in snd_timer_user_release()
1520 			snd_timer_close(tu->timeri);  in snd_timer_user_release()
1521 			snd_timer_instance_free(tu->timeri);  in snd_timer_user_release()
1762 	if (tu->timeri) {  in snd_timer_user_tselect()
1763 		snd_timer_close(tu->timeri);  in snd_timer_user_tselect()
1764 		snd_timer_instance_free(tu->timeri);  in snd_timer_user_tselect()
1765 		tu->timeri = NULL;  in snd_timer_user_tselect()
1774 	tu->timeri = snd_timer_instance_new(str);  in snd_timer_user_tselect()
1775 	if (!tu->timeri) {  in snd_timer_user_tselect()
1780 	tu->timeri->flags |= SNDRV_TIMER_IFLG_FAST;  in snd_timer_user_tselect()
1781 	tu->timeri->callback = tu->tread  in snd_timer_user_tselect()
1783 	tu->timeri->ccallback = snd_timer_user_ccallback;  in snd_timer_user_tselect()
1784 	tu->timeri->callback_data = (void *)tu;  in snd_timer_user_tselect()
1785 	tu->timeri->disconnect = snd_timer_user_disconnect;  in snd_timer_user_tselect()
1787 	err = snd_timer_open(tu->timeri, &tselect.id, current->pid);  in snd_timer_user_tselect()
1789 		snd_timer_instance_free(tu->timeri);  in snd_timer_user_tselect()
1790 		tu->timeri = NULL;  in snd_timer_user_tselect()
1806 	if (!tu->timeri)  in snd_timer_user_info()
1808 	t = tu->timeri->timer;  in snd_timer_user_info()
1836 	if (!tu->timeri)  in snd_timer_user_params()
1838 	t = tu->timeri->timer;  in snd_timer_user_params()
1852 		resolution = snd_timer_resolution(tu->timeri);  in snd_timer_user_params()
1881 	snd_timer_stop(tu->timeri);  in snd_timer_user_params()
1883 	tu->timeri->flags &= ~(SNDRV_TIMER_IFLG_AUTO|  in snd_timer_user_params()
1887 		tu->timeri->flags |= SNDRV_TIMER_IFLG_AUTO;  in snd_timer_user_params()
1889 		tu->timeri->flags |= SNDRV_TIMER_IFLG_EXCLUSIVE;  in snd_timer_user_params()
1891 		tu->timeri->flags |= SNDRV_TIMER_IFLG_EARLY_EVENT;  in snd_timer_user_params()
1901 	if (tu->timeri->flags & SNDRV_TIMER_IFLG_EARLY_EVENT) {  in snd_timer_user_params()
1935 	if (!tu->timeri)  in snd_timer_user_status32()
1940 	status.resolution = snd_timer_resolution(tu->timeri);  in snd_timer_user_status32()
1941 	status.lost = tu->timeri->lost;  in snd_timer_user_status32()
1958 	if (!tu->timeri)  in snd_timer_user_status64()
1963 	status.resolution = snd_timer_resolution(tu->timeri);  in snd_timer_user_status64()
1964 	status.lost = tu->timeri->lost;  in snd_timer_user_status64()
1980 	if (!tu->timeri)  in snd_timer_user_start()
1982 	snd_timer_stop(tu->timeri);  in snd_timer_user_start()
1983 	tu->timeri->lost = 0;  in snd_timer_user_start()
1985 	err = snd_timer_start(tu->timeri, tu->ticks);  in snd_timer_user_start()
1997 	if (!tu->timeri)  in snd_timer_user_stop()
1999 	err = snd_timer_stop(tu->timeri);  in snd_timer_user_stop()
2011 	if (!tu->timeri)  in snd_timer_user_continue()
2014 	if (!(tu->timeri->flags & SNDRV_TIMER_IFLG_PAUSED))  in snd_timer_user_continue()
2016 	tu->timeri->lost = 0;  in snd_timer_user_continue()
2017 	err = snd_timer_continue(tu->timeri);  in snd_timer_user_continue()
2029 	if (!tu->timeri)  in snd_timer_user_pause()
2031 	err = snd_timer_pause(tu->timeri);  in snd_timer_user_pause()
2043 	if (tu->timeri)	/* too late */  in snd_timer_user_tread()