Lines Matching defs:ti

65 	struct ct_timer_instance *ti = timer_container_of(ti, t, timer);
66 	struct snd_pcm_substream *substream = ti->substream;
68 	struct ct_atc_pcm *apcm = ti->apcm;
74 	dist = (position + buffer_size - ti->position) % buffer_size;
76 	    position / period_size != ti->position / period_size) {
78 		ti->position = position;
84 	guard(spinlock_irqsave)(&ti->lock);
85 	if (ti->running)
86 		mod_timer(&ti->timer, jiffies + interval);
89 static void ct_systimer_init(struct ct_timer_instance *ti)
91 	timer_setup(&ti->timer, ct_systimer_callback, 0);
94 static void ct_systimer_start(struct ct_timer_instance *ti)
96 	struct snd_pcm_runtime *runtime = ti->substream->runtime;
98 	guard(spinlock_irqsave)(&ti->lock);
99 	ti->running = 1;
100 	mod_timer(&ti->timer,
105 static void ct_systimer_stop(struct ct_timer_instance *ti)
107 	guard(spinlock_irqsave)(&ti->lock);
108 	ti->running = 0;
109 	timer_delete(&ti->timer);
112 static void ct_systimer_prepare(struct ct_timer_instance *ti)
114 	ct_systimer_stop(ti);
115 	timer_delete_sync_try(&ti->timer);
174 	struct ct_timer_instance *ti;
188 	list_for_each_entry(ti, &atimer->running_head, running_list) {
189 		if (ti->frag_count > diff)
190 			ti->frag_count -= diff;
195 			period_size = ti->substream->runtime->period_size;
196 			rate = ti->substream->runtime->rate;
197 			pos = ti->substream->ops->pointer(ti->substream);
198 			if (pos / period_size != ti->position / period_size) {
199 				ti->need_update = 1;
200 				ti->position = pos;
205 			ti->frag_count = div_u64((u64)pos * CT_TIMER_FREQ +
208 		if (ti->need_update && !can_update)
210 		if (ti->frag_count < min_intr)
211 			min_intr = ti->frag_count;
224 	struct ct_timer_instance *ti;
227 	list_for_each_entry(ti, &atimer->instance_head, instance_list) {
228 		if (ti->running && ti->need_update) {
229 			ti->need_update = 0;
230 			ti->apcm->interrupt(ti->apcm);
252 static void ct_xfitimer_prepare(struct ct_timer_instance *ti)
254 	ti->frag_count = ti->substream->runtime->period_size;
255 	ti->running = 0;
256 	ti->need_update = 0;
274 static void ct_xfitimer_start(struct ct_timer_instance *ti)
276 	struct ct_timer *atimer = ti->timer_base;
279 		if (list_empty(&ti->running_list))
281 		ti->running = 1;
282 		ti->need_update = 0;
283 		list_add(&ti->running_list, &atimer->running_head);
288 static void ct_xfitimer_stop(struct ct_timer_instance *ti)
290 	struct ct_timer *atimer = ti->timer_base;
293 		list_del_init(&ti->running_list);
294 		ti->running = 0;
319 	struct ct_timer_instance *ti;
321 	ti = kzalloc(sizeof(*ti), GFP_KERNEL);
322 	if (!ti)
324 	spin_lock_init(&ti->lock);
325 	INIT_LIST_HEAD(&ti->instance_list);
326 	INIT_LIST_HEAD(&ti->running_list);
327 	ti->timer_base = atimer;
328 	ti->apcm = apcm;
329 	ti->substream = apcm->substream;
331 		atimer->ops->init(ti);
334 		list_add(&ti->instance_list, &atimer->instance_head);
337 	return ti;
340 void ct_timer_prepare(struct ct_timer_instance *ti)
342 	if (ti->timer_base->ops->prepare)
343 		ti->timer_base->ops->prepare(ti);
344 	ti->position = 0;
345 	ti->running = 0;
348 void ct_timer_start(struct ct_timer_instance *ti)
350 	struct ct_timer *atimer = ti->timer_base;
351 	atimer->ops->start(ti);
354 void ct_timer_stop(struct ct_timer_instance *ti)
356 	struct ct_timer *atimer = ti->timer_base;
357 	atimer->ops->stop(ti);
360 void ct_timer_instance_free(struct ct_timer_instance *ti)
362 	struct ct_timer *atimer = ti->timer_base;
364 	atimer->ops->stop(ti); /* to be sure */
366 		atimer->ops->free_instance(ti);
369 		list_del(&ti->instance_list);
372 	kfree(ti);