48 	struct snd_timer_instance *timeri;  member
93 	struct snd_timer_instance *timeri;  in snd_timer_instance_new()  local
94 	timeri = kzalloc(sizeof(*timeri), GFP_KERNEL);  in snd_timer_instance_new()
95 	if (timeri == NULL)  in snd_timer_instance_new()
97 	timeri->owner = kstrdup(owner, GFP_KERNEL);  in snd_timer_instance_new()
98 	if (! timeri->owner) {  in snd_timer_instance_new()
99 		kfree(timeri);  in snd_timer_instance_new()
102 	INIT_LIST_HEAD(&timeri->open_list);  in snd_timer_instance_new()
103 	INIT_LIST_HEAD(&timeri->active_list);  in snd_timer_instance_new()
104 	INIT_LIST_HEAD(&timeri->ack_list);  in snd_timer_instance_new()
105 	INIT_LIST_HEAD(&timeri->slave_list_head);  in snd_timer_instance_new()
106 	INIT_LIST_HEAD(&timeri->slave_active_head);  in snd_timer_instance_new()
108 	timeri->timer = timer;  in snd_timer_instance_new()
110 		kfree(timeri->owner);  in snd_timer_instance_new()
111 		kfree(timeri);  in snd_timer_instance_new()
115 	return timeri;  in snd_timer_instance_new()
229 static int snd_timer_close_locked(struct snd_timer_instance *timeri,
241 	struct snd_timer_instance *timeri = NULL;  in snd_timer_open()  local
255 		timeri = snd_timer_instance_new(owner, NULL);  in snd_timer_open()
256 		if (!timeri) {  in snd_timer_open()
260 		timeri->slave_class = tid->dev_sclass;  in snd_timer_open()
261 		timeri->slave_id = tid->device;  in snd_timer_open()
262 		timeri->flags |= SNDRV_TIMER_IFLG_SLAVE;  in snd_timer_open()
263 		list_add_tail(&timeri->open_list, &snd_timer_slave_list);  in snd_timer_open()
264 		err = snd_timer_check_slave(timeri);  in snd_timer_open()
266 			snd_timer_close_locked(timeri, &card_dev_to_put);  in snd_timer_open()
267 			timeri = NULL;  in snd_timer_open()
299 	timeri = snd_timer_instance_new(owner, timer);  in snd_timer_open()
300 	if (!timeri) {  in snd_timer_open()
307 	timeri->slave_class = tid->dev_sclass;  in snd_timer_open()
308 	timeri->slave_id = slave_id;  in snd_timer_open()
313 			kfree(timeri->owner);  in snd_timer_open()
314 			kfree(timeri);  in snd_timer_open()
315 			timeri = NULL;  in snd_timer_open()
324 	list_add_tail(&timeri->open_list, &timer->open_list_head);  in snd_timer_open()
326 	err = snd_timer_check_master(timeri);  in snd_timer_open()
328 		snd_timer_close_locked(timeri, &card_dev_to_put);  in snd_timer_open()
329 		timeri = NULL;  in snd_timer_open()
337 	*ti = timeri;  in snd_timer_open()
346 static int snd_timer_close_locked(struct snd_timer_instance *timeri,  in snd_timer_close_locked()  argument
349 	struct snd_timer *timer = timeri->timer;  in snd_timer_close_locked()
354 		timeri->flags |= SNDRV_TIMER_IFLG_DEAD;  in snd_timer_close_locked()
358 	list_del(&timeri->open_list);  in snd_timer_close_locked()
361 	snd_timer_stop(timeri);  in snd_timer_close_locked()
367 		while (timeri->flags & SNDRV_TIMER_IFLG_CALLBACK) {  in snd_timer_close_locked()
377 		list_for_each_entry_safe(slave, tmp, &timeri->slave_list_head,  in snd_timer_close_locked()
390 		if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE)  in snd_timer_close_locked()
394 	if (timeri->private_free)  in snd_timer_close_locked()
395 		timeri->private_free(timeri);  in snd_timer_close_locked()
396 	kfree(timeri->owner);  in snd_timer_close_locked()
397 	kfree(timeri);  in snd_timer_close_locked()
414 int snd_timer_close(struct snd_timer_instance *timeri)  in snd_timer_close()  argument
419 	if (snd_BUG_ON(!timeri))  in snd_timer_close()
423 	err = snd_timer_close_locked(timeri, &card_dev_to_put);  in snd_timer_close()
440 unsigned long snd_timer_resolution(struct snd_timer_instance *timeri)  in snd_timer_resolution()  argument
446 	if (timeri == NULL)  in snd_timer_resolution()
448 	timer = timeri->timer;  in snd_timer_resolution()
490 static int snd_timer_start1(struct snd_timer_instance *timeri,  in snd_timer_start1()  argument
497 	timer = timeri->timer;  in snd_timer_start1()
502 	if (timeri->flags & SNDRV_TIMER_IFLG_DEAD) {  in snd_timer_start1()
510 	if (timeri->flags & (SNDRV_TIMER_IFLG_RUNNING |  in snd_timer_start1()
517 		timeri->ticks = timeri->cticks = ticks;  in snd_timer_start1()
518 	else if (!timeri->cticks)  in snd_timer_start1()
519 		timeri->cticks = 1;  in snd_timer_start1()
520 	timeri->pticks = 0;  in snd_timer_start1()
522 	list_move_tail(&timeri->active_list, &timer->active_list_head);  in snd_timer_start1()
527 		timeri->flags |= SNDRV_TIMER_IFLG_START;  in snd_timer_start1()
535 		timeri->flags |= SNDRV_TIMER_IFLG_RUNNING;  in snd_timer_start1()
538 	snd_timer_notify1(timeri, start ? SNDRV_TIMER_EVENT_START :  in snd_timer_start1()
546 static int snd_timer_start_slave(struct snd_timer_instance *timeri,  in snd_timer_start_slave()  argument
553 	if (timeri->flags & SNDRV_TIMER_IFLG_DEAD) {  in snd_timer_start_slave()
557 	if (timeri->flags & SNDRV_TIMER_IFLG_RUNNING) {  in snd_timer_start_slave()
561 	timeri->flags |= SNDRV_TIMER_IFLG_RUNNING;  in snd_timer_start_slave()
562 	if (timeri->master && timeri->timer) {  in snd_timer_start_slave()
563 		spin_lock(&timeri->timer->lock);  in snd_timer_start_slave()
564 		list_add_tail(&timeri->active_list,  in snd_timer_start_slave()
565 			      &timeri->master->slave_active_head);  in snd_timer_start_slave()
566 		snd_timer_notify1(timeri, start ? SNDRV_TIMER_EVENT_START :  in snd_timer_start_slave()
568 		spin_unlock(&timeri->timer->lock);  in snd_timer_start_slave()
577 static int snd_timer_stop1(struct snd_timer_instance *timeri, bool stop)  in snd_timer_stop1()  argument
583 	timer = timeri->timer;  in snd_timer_stop1()
587 	if (!(timeri->flags & (SNDRV_TIMER_IFLG_RUNNING |  in snd_timer_stop1()
592 	list_del_init(&timeri->ack_list);  in snd_timer_stop1()
593 	list_del_init(&timeri->active_list);  in snd_timer_stop1()
597 		timeri->cticks = timeri->ticks;  in snd_timer_stop1()
598 		timeri->pticks = 0;  in snd_timer_stop1()
600 	if ((timeri->flags & SNDRV_TIMER_IFLG_RUNNING) &&  in snd_timer_stop1()
612 	timeri->flags &= ~(SNDRV_TIMER_IFLG_RUNNING | SNDRV_TIMER_IFLG_START);  in snd_timer_stop1()
614 		timeri->flags &= ~SNDRV_TIMER_IFLG_PAUSED;  in snd_timer_stop1()
616 		timeri->flags |= SNDRV_TIMER_IFLG_PAUSED;  in snd_timer_stop1()
617 	snd_timer_notify1(timeri, stop ? SNDRV_TIMER_EVENT_STOP :  in snd_timer_stop1()
625 static int snd_timer_stop_slave(struct snd_timer_instance *timeri, bool stop)  in snd_timer_stop_slave()  argument
630 	if (!(timeri->flags & SNDRV_TIMER_IFLG_RUNNING)) {  in snd_timer_stop_slave()
634 	timeri->flags &= ~SNDRV_TIMER_IFLG_RUNNING;  in snd_timer_stop_slave()
635 	if (timeri->timer) {  in snd_timer_stop_slave()
636 		spin_lock(&timeri->timer->lock);  in snd_timer_stop_slave()
637 		list_del_init(&timeri->ack_list);  in snd_timer_stop_slave()
638 		list_del_init(&timeri->active_list);  in snd_timer_stop_slave()
639 		snd_timer_notify1(timeri, stop ? SNDRV_TIMER_EVENT_STOP :  in snd_timer_stop_slave()
641 		spin_unlock(&timeri->timer->lock);  in snd_timer_stop_slave()
650 int snd_timer_start(struct snd_timer_instance *timeri, unsigned int ticks)  in snd_timer_start()  argument
652 	if (timeri == NULL || ticks < 1)  in snd_timer_start()
654 	if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE)  in snd_timer_start()
655 		return snd_timer_start_slave(timeri, true);  in snd_timer_start()
657 		return snd_timer_start1(timeri, true, ticks);  in snd_timer_start()
666 int snd_timer_stop(struct snd_timer_instance *timeri)  in snd_timer_stop()  argument
668 	if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE)  in snd_timer_stop()
669 		return snd_timer_stop_slave(timeri, true);  in snd_timer_stop()
671 		return snd_timer_stop1(timeri, true);  in snd_timer_stop()
678 int snd_timer_continue(struct snd_timer_instance *timeri)  in snd_timer_continue()  argument
681 	if (!(timeri->flags & SNDRV_TIMER_IFLG_PAUSED))  in snd_timer_continue()
684 	if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE)  in snd_timer_continue()
685 		return snd_timer_start_slave(timeri, false);  in snd_timer_continue()
687 		return snd_timer_start1(timeri, false, 0);  in snd_timer_continue()
694 int snd_timer_pause(struct snd_timer_instance * timeri)  in snd_timer_pause()  argument
696 	if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE)  in snd_timer_pause()
697 		return snd_timer_stop_slave(timeri, false);  in snd_timer_pause()
699 		return snd_timer_stop1(timeri, false);  in snd_timer_pause()
1282 static void snd_timer_user_interrupt(struct snd_timer_instance *timeri,  in snd_timer_user_interrupt()  argument
1286 	struct snd_timer_user *tu = timeri->callback_data;  in snd_timer_user_interrupt()
1326 static void snd_timer_user_ccallback(struct snd_timer_instance *timeri,  in snd_timer_user_ccallback()  argument
1331 	struct snd_timer_user *tu = timeri->callback_data;  in snd_timer_user_ccallback()
1351 static void snd_timer_user_disconnect(struct snd_timer_instance *timeri)  in snd_timer_user_disconnect()  argument
1353 	struct snd_timer_user *tu = timeri->callback_data;  in snd_timer_user_disconnect()
1359 static void snd_timer_user_tinterrupt(struct snd_timer_instance *timeri,  in snd_timer_user_tinterrupt()  argument
1363 	struct snd_timer_user *tu = timeri->callback_data;  in snd_timer_user_tinterrupt()
1477 		if (tu->timeri)  in snd_timer_user_release()
1478 			snd_timer_close(tu->timeri);  in snd_timer_user_release()
1717 	if (tu->timeri) {  in snd_timer_user_tselect()
1718 		snd_timer_close(tu->timeri);  in snd_timer_user_tselect()
1719 		tu->timeri = NULL;  in snd_timer_user_tselect()
1728 	err = snd_timer_open(&tu->timeri, str, &tselect.id, current->pid);  in snd_timer_user_tselect()
1732 	tu->timeri->flags |= SNDRV_TIMER_IFLG_FAST;  in snd_timer_user_tselect()
1733 	tu->timeri->callback = tu->tread  in snd_timer_user_tselect()
1735 	tu->timeri->ccallback = snd_timer_user_ccallback;  in snd_timer_user_tselect()
1736 	tu->timeri->callback_data = (void *)tu;  in snd_timer_user_tselect()
1737 	tu->timeri->disconnect = snd_timer_user_disconnect;  in snd_timer_user_tselect()
1752 	if (!tu->timeri)  in snd_timer_user_info()
1754 	t = tu->timeri->timer;  in snd_timer_user_info()
1782 	if (!tu->timeri)  in snd_timer_user_params()
1784 	t = tu->timeri->timer;  in snd_timer_user_params()
1798 		resolution = snd_timer_resolution(tu->timeri);  in snd_timer_user_params()
1827 	snd_timer_stop(tu->timeri);  in snd_timer_user_params()
1829 	tu->timeri->flags &= ~(SNDRV_TIMER_IFLG_AUTO|  in snd_timer_user_params()
1833 		tu->timeri->flags |= SNDRV_TIMER_IFLG_AUTO;  in snd_timer_user_params()
1835 		tu->timeri->flags |= SNDRV_TIMER_IFLG_EXCLUSIVE;  in snd_timer_user_params()
1837 		tu->timeri->flags |= SNDRV_TIMER_IFLG_EARLY_EVENT;  in snd_timer_user_params()
1847 	if (tu->timeri->flags & SNDRV_TIMER_IFLG_EARLY_EVENT) {  in snd_timer_user_params()
1881 	if (!tu->timeri)  in snd_timer_user_status()
1885 	status.resolution = snd_timer_resolution(tu->timeri);  in snd_timer_user_status()
1886 	status.lost = tu->timeri->lost;  in snd_timer_user_status()
1902 	if (!tu->timeri)  in snd_timer_user_start()
1904 	snd_timer_stop(tu->timeri);  in snd_timer_user_start()
1905 	tu->timeri->lost = 0;  in snd_timer_user_start()
1907 	err = snd_timer_start(tu->timeri, tu->ticks);  in snd_timer_user_start()
1919 	if (!tu->timeri)  in snd_timer_user_stop()
1921 	err = snd_timer_stop(tu->timeri);  in snd_timer_user_stop()
1933 	if (!tu->timeri)  in snd_timer_user_continue()
1936 	if (!(tu->timeri->flags & SNDRV_TIMER_IFLG_PAUSED))  in snd_timer_user_continue()
1938 	tu->timeri->lost = 0;  in snd_timer_user_continue()
1939 	err = snd_timer_continue(tu->timeri);  in snd_timer_user_continue()
1951 	if (!tu->timeri)  in snd_timer_user_pause()
1953 	err = snd_timer_pause(tu->timeri);  in snd_timer_user_pause()
1983 		if (tu->timeri)	/* too late */  in __snd_timer_user_ioctl()