62 	struct snd_timer_instance *timeri;  member
107 	struct snd_timer_instance *timeri;  in snd_timer_instance_new()  local
108 	timeri = kzalloc(sizeof(*timeri), GFP_KERNEL);  in snd_timer_instance_new()
109 	if (timeri == NULL)  in snd_timer_instance_new()
111 	timeri->owner = kstrdup(owner, GFP_KERNEL);  in snd_timer_instance_new()
112 	if (! timeri->owner) {  in snd_timer_instance_new()
113 		kfree(timeri);  in snd_timer_instance_new()
116 	INIT_LIST_HEAD(&timeri->open_list);  in snd_timer_instance_new()
117 	INIT_LIST_HEAD(&timeri->active_list);  in snd_timer_instance_new()
118 	INIT_LIST_HEAD(&timeri->ack_list);  in snd_timer_instance_new()
119 	INIT_LIST_HEAD(&timeri->slave_list_head);  in snd_timer_instance_new()
120 	INIT_LIST_HEAD(&timeri->slave_active_head);  in snd_timer_instance_new()
122 	timeri->timer = timer;  in snd_timer_instance_new()
124 		kfree(timeri->owner);  in snd_timer_instance_new()
125 		kfree(timeri);  in snd_timer_instance_new()
129 	return timeri;  in snd_timer_instance_new()
243 static int snd_timer_close_locked(struct snd_timer_instance *timeri);
254 	struct snd_timer_instance *timeri = NULL;  in snd_timer_open()  local
266 		timeri = snd_timer_instance_new(owner, NULL);  in snd_timer_open()
267 		if (!timeri) {  in snd_timer_open()
271 		timeri->slave_class = tid->dev_sclass;  in snd_timer_open()
272 		timeri->slave_id = tid->device;  in snd_timer_open()
273 		timeri->flags |= SNDRV_TIMER_IFLG_SLAVE;  in snd_timer_open()
274 		list_add_tail(&timeri->open_list, &snd_timer_slave_list);  in snd_timer_open()
275 		err = snd_timer_check_slave(timeri);  in snd_timer_open()
277 			snd_timer_close_locked(timeri);  in snd_timer_open()
278 			timeri = NULL;  in snd_timer_open()
281 		*ti = timeri;  in snd_timer_open()
301 		timeri = list_entry(timer->open_list_head.next,  in snd_timer_open()
303 		if (timeri->flags & SNDRV_TIMER_IFLG_EXCLUSIVE) {  in snd_timer_open()
312 	timeri = snd_timer_instance_new(owner, timer);  in snd_timer_open()
313 	if (!timeri) {  in snd_timer_open()
320 	timeri->slave_class = tid->dev_sclass;  in snd_timer_open()
321 	timeri->slave_id = slave_id;  in snd_timer_open()
326 			kfree(timeri->owner);  in snd_timer_open()
327 			kfree(timeri);  in snd_timer_open()
337 	list_add_tail(&timeri->open_list, &timer->open_list_head);  in snd_timer_open()
339 	err = snd_timer_check_master(timeri);  in snd_timer_open()
341 		snd_timer_close_locked(timeri);  in snd_timer_open()
342 		timeri = NULL;  in snd_timer_open()
345 	*ti = timeri;  in snd_timer_open()
354 static int snd_timer_close_locked(struct snd_timer_instance *timeri)  in snd_timer_close_locked()  argument
359 	list_del(&timeri->open_list);  in snd_timer_close_locked()
362 	snd_timer_stop(timeri);  in snd_timer_close_locked()
364 	timer = timeri->timer;  in snd_timer_close_locked()
369 		while (timeri->flags & SNDRV_TIMER_IFLG_CALLBACK) {  in snd_timer_close_locked()
379 		list_for_each_entry_safe(slave, tmp, &timeri->slave_list_head,  in snd_timer_close_locked()
392 		if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE)  in snd_timer_close_locked()
396 	if (timeri->private_free)  in snd_timer_close_locked()
397 		timeri->private_free(timeri);  in snd_timer_close_locked()
398 	kfree(timeri->owner);  in snd_timer_close_locked()
399 	kfree(timeri);  in snd_timer_close_locked()
416 int snd_timer_close(struct snd_timer_instance *timeri)  in snd_timer_close()  argument
420 	if (snd_BUG_ON(!timeri))  in snd_timer_close()
424 	err = snd_timer_close_locked(timeri);  in snd_timer_close()
438 unsigned long snd_timer_resolution(struct snd_timer_instance *timeri)  in snd_timer_resolution()  argument
444 	if (timeri == NULL)  in snd_timer_resolution()
446 	timer = timeri->timer;  in snd_timer_resolution()
488 static int snd_timer_start1(struct snd_timer_instance *timeri,  in snd_timer_start1()  argument
495 	timer = timeri->timer;  in snd_timer_start1()
504 	if (timeri->flags & (SNDRV_TIMER_IFLG_RUNNING |  in snd_timer_start1()
511 		timeri->ticks = timeri->cticks = ticks;  in snd_timer_start1()
512 	else if (!timeri->cticks)  in snd_timer_start1()
513 		timeri->cticks = 1;  in snd_timer_start1()
514 	timeri->pticks = 0;  in snd_timer_start1()
516 	list_move_tail(&timeri->active_list, &timer->active_list_head);  in snd_timer_start1()
521 		timeri->flags |= SNDRV_TIMER_IFLG_START;  in snd_timer_start1()
529 		timeri->flags |= SNDRV_TIMER_IFLG_RUNNING;  in snd_timer_start1()
532 	snd_timer_notify1(timeri, start ? SNDRV_TIMER_EVENT_START :  in snd_timer_start1()
540 static int snd_timer_start_slave(struct snd_timer_instance *timeri,  in snd_timer_start_slave()  argument
546 	if (timeri->flags & SNDRV_TIMER_IFLG_RUNNING) {  in snd_timer_start_slave()
550 	timeri->flags |= SNDRV_TIMER_IFLG_RUNNING;  in snd_timer_start_slave()
551 	if (timeri->master && timeri->timer) {  in snd_timer_start_slave()
552 		spin_lock(&timeri->timer->lock);  in snd_timer_start_slave()
553 		list_add_tail(&timeri->active_list,  in snd_timer_start_slave()
554 			      &timeri->master->slave_active_head);  in snd_timer_start_slave()
555 		snd_timer_notify1(timeri, start ? SNDRV_TIMER_EVENT_START :  in snd_timer_start_slave()
557 		spin_unlock(&timeri->timer->lock);  in snd_timer_start_slave()
564 static int snd_timer_stop1(struct snd_timer_instance *timeri, bool stop)  in snd_timer_stop1()  argument
570 	timer = timeri->timer;  in snd_timer_stop1()
574 	if (!(timeri->flags & (SNDRV_TIMER_IFLG_RUNNING |  in snd_timer_stop1()
579 	list_del_init(&timeri->ack_list);  in snd_timer_stop1()
580 	list_del_init(&timeri->active_list);  in snd_timer_stop1()
584 		timeri->cticks = timeri->ticks;  in snd_timer_stop1()
585 		timeri->pticks = 0;  in snd_timer_stop1()
587 	if ((timeri->flags & SNDRV_TIMER_IFLG_RUNNING) &&  in snd_timer_stop1()
599 	timeri->flags &= ~(SNDRV_TIMER_IFLG_RUNNING | SNDRV_TIMER_IFLG_START);  in snd_timer_stop1()
601 		timeri->flags &= ~SNDRV_TIMER_IFLG_PAUSED;  in snd_timer_stop1()
603 		timeri->flags |= SNDRV_TIMER_IFLG_PAUSED;  in snd_timer_stop1()
604 	snd_timer_notify1(timeri, stop ? SNDRV_TIMER_EVENT_STOP :  in snd_timer_stop1()
612 static int snd_timer_stop_slave(struct snd_timer_instance *timeri, bool stop)  in snd_timer_stop_slave()  argument
617 	if (!(timeri->flags & SNDRV_TIMER_IFLG_RUNNING)) {  in snd_timer_stop_slave()
621 	timeri->flags &= ~SNDRV_TIMER_IFLG_RUNNING;  in snd_timer_stop_slave()
622 	if (timeri->timer) {  in snd_timer_stop_slave()
623 		spin_lock(&timeri->timer->lock);  in snd_timer_stop_slave()
624 		list_del_init(&timeri->ack_list);  in snd_timer_stop_slave()
625 		list_del_init(&timeri->active_list);  in snd_timer_stop_slave()
626 		snd_timer_notify1(timeri, stop ? SNDRV_TIMER_EVENT_STOP :  in snd_timer_stop_slave()
628 		spin_unlock(&timeri->timer->lock);  in snd_timer_stop_slave()
637 int snd_timer_start(struct snd_timer_instance *timeri, unsigned int ticks)  in snd_timer_start()  argument
639 	if (timeri == NULL || ticks < 1)  in snd_timer_start()
641 	if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE)  in snd_timer_start()
642 		return snd_timer_start_slave(timeri, true);  in snd_timer_start()
644 		return snd_timer_start1(timeri, true, ticks);  in snd_timer_start()
653 int snd_timer_stop(struct snd_timer_instance *timeri)  in snd_timer_stop()  argument
655 	if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE)  in snd_timer_stop()
656 		return snd_timer_stop_slave(timeri, true);  in snd_timer_stop()
658 		return snd_timer_stop1(timeri, true);  in snd_timer_stop()
665 int snd_timer_continue(struct snd_timer_instance *timeri)  in snd_timer_continue()  argument
668 	if (!(timeri->flags & SNDRV_TIMER_IFLG_PAUSED))  in snd_timer_continue()
671 	if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE)  in snd_timer_continue()
672 		return snd_timer_start_slave(timeri, false);  in snd_timer_continue()
674 		return snd_timer_start1(timeri, false, 0);  in snd_timer_continue()
681 int snd_timer_pause(struct snd_timer_instance * timeri)  in snd_timer_pause()  argument
683 	if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE)  in snd_timer_pause()
684 		return snd_timer_stop_slave(timeri, false);  in snd_timer_pause()
686 		return snd_timer_stop1(timeri, false);  in snd_timer_pause()
1260 static void snd_timer_user_interrupt(struct snd_timer_instance *timeri,  in snd_timer_user_interrupt()  argument
1264 	struct snd_timer_user *tu = timeri->callback_data;  in snd_timer_user_interrupt()
1304 static void snd_timer_user_ccallback(struct snd_timer_instance *timeri,  in snd_timer_user_ccallback()  argument
1309 	struct snd_timer_user *tu = timeri->callback_data;  in snd_timer_user_ccallback()
1329 static void snd_timer_user_disconnect(struct snd_timer_instance *timeri)  in snd_timer_user_disconnect()  argument
1331 	struct snd_timer_user *tu = timeri->callback_data;  in snd_timer_user_disconnect()
1337 static void snd_timer_user_tinterrupt(struct snd_timer_instance *timeri,  in snd_timer_user_tinterrupt()  argument
1341 	struct snd_timer_user *tu = timeri->callback_data;  in snd_timer_user_tinterrupt()
1455 		if (tu->timeri)  in snd_timer_user_release()
1456 			snd_timer_close(tu->timeri);  in snd_timer_user_release()
1695 	if (tu->timeri) {  in snd_timer_user_tselect()
1696 		snd_timer_close(tu->timeri);  in snd_timer_user_tselect()
1697 		tu->timeri = NULL;  in snd_timer_user_tselect()
1706 	err = snd_timer_open(&tu->timeri, str, &tselect.id, current->pid);  in snd_timer_user_tselect()
1710 	tu->timeri->flags |= SNDRV_TIMER_IFLG_FAST;  in snd_timer_user_tselect()
1711 	tu->timeri->callback = tu->tread  in snd_timer_user_tselect()
1713 	tu->timeri->ccallback = snd_timer_user_ccallback;  in snd_timer_user_tselect()
1714 	tu->timeri->callback_data = (void *)tu;  in snd_timer_user_tselect()
1715 	tu->timeri->disconnect = snd_timer_user_disconnect;  in snd_timer_user_tselect()
1730 	if (!tu->timeri)  in snd_timer_user_info()
1732 	t = tu->timeri->timer;  in snd_timer_user_info()
1760 	if (!tu->timeri)  in snd_timer_user_params()
1762 	t = tu->timeri->timer;  in snd_timer_user_params()
1776 		resolution = snd_timer_resolution(tu->timeri);  in snd_timer_user_params()
1805 	snd_timer_stop(tu->timeri);  in snd_timer_user_params()
1807 	tu->timeri->flags &= ~(SNDRV_TIMER_IFLG_AUTO|  in snd_timer_user_params()
1811 		tu->timeri->flags |= SNDRV_TIMER_IFLG_AUTO;  in snd_timer_user_params()
1813 		tu->timeri->flags |= SNDRV_TIMER_IFLG_EXCLUSIVE;  in snd_timer_user_params()
1815 		tu->timeri->flags |= SNDRV_TIMER_IFLG_EARLY_EVENT;  in snd_timer_user_params()
1825 	if (tu->timeri->flags & SNDRV_TIMER_IFLG_EARLY_EVENT) {  in snd_timer_user_params()
1859 	if (!tu->timeri)  in snd_timer_user_status()
1863 	status.resolution = snd_timer_resolution(tu->timeri);  in snd_timer_user_status()
1864 	status.lost = tu->timeri->lost;  in snd_timer_user_status()
1880 	if (!tu->timeri)  in snd_timer_user_start()
1882 	snd_timer_stop(tu->timeri);  in snd_timer_user_start()
1883 	tu->timeri->lost = 0;  in snd_timer_user_start()
1885 	return (err = snd_timer_start(tu->timeri, tu->ticks)) < 0 ? err : 0;  in snd_timer_user_start()
1894 	if (!tu->timeri)  in snd_timer_user_stop()
1896 	return (err = snd_timer_stop(tu->timeri)) < 0 ? err : 0;  in snd_timer_user_stop()
1905 	if (!tu->timeri)  in snd_timer_user_continue()
1908 	if (!(tu->timeri->flags & SNDRV_TIMER_IFLG_PAUSED))  in snd_timer_user_continue()
1910 	tu->timeri->lost = 0;  in snd_timer_user_continue()
1911 	return (err = snd_timer_continue(tu->timeri)) < 0 ? err : 0;  in snd_timer_user_continue()
1920 	if (!tu->timeri)  in snd_timer_user_pause()
1922 	return (err = snd_timer_pause(tu->timeri)) < 0 ? err : 0;  in snd_timer_user_pause()
1949 		if (tu->timeri)	/* too late */  in __snd_timer_user_ioctl()