55 static void virtsnd_event_dispatch(struct virtio_snd *snd,  in virtsnd_event_dispatch()  argument
61 		virtsnd_jack_event(snd, event);  in virtsnd_event_dispatch()
65 		virtsnd_pcm_event(snd, event);  in virtsnd_event_dispatch()
68 		virtsnd_kctl_event(snd, event);  in virtsnd_event_dispatch()
84 	struct virtio_snd *snd = vqueue->vdev->priv;  in virtsnd_event_notify_cb()  local
85 	struct virtio_snd_queue *queue = virtsnd_event_queue(snd);  in virtsnd_event_notify_cb()
94 			virtsnd_event_dispatch(snd, event);  in virtsnd_event_notify_cb()
110 static int virtsnd_find_vqs(struct virtio_snd *snd)  in virtsnd_find_vqs()  argument
112 	struct virtio_device *vdev = snd->vdev;  in virtsnd_find_vqs()
135 		snd->queues[i].vqueue = vqs[i];  in virtsnd_find_vqs()
142 	snd->event_msgs = kmalloc_array(n, sizeof(*snd->event_msgs),  in virtsnd_find_vqs()
144 	if (!snd->event_msgs)  in virtsnd_find_vqs()
149 				   &snd->event_msgs[i], false, GFP_KERNEL);  in virtsnd_find_vqs()
160 static void virtsnd_enable_event_vq(struct virtio_snd *snd)  in virtsnd_enable_event_vq()  argument
162 	struct virtio_snd_queue *queue = virtsnd_event_queue(snd);  in virtsnd_enable_event_vq()
174 static void virtsnd_disable_event_vq(struct virtio_snd *snd)  in virtsnd_disable_event_vq()  argument
176 	struct virtio_snd_queue *queue = virtsnd_event_queue(snd);  in virtsnd_disable_event_vq()
185 			virtsnd_event_dispatch(snd, event);  in virtsnd_disable_event_vq()
197 static int virtsnd_build_devs(struct virtio_snd *snd)  in virtsnd_build_devs()  argument
199 	struct virtio_device *vdev = snd->vdev;  in virtsnd_build_devs()
204 			  THIS_MODULE, 0, &snd->card);  in virtsnd_build_devs()
208 	snd->card->private_data = snd;  in virtsnd_build_devs()
210 	strscpy(snd->card->driver, VIRTIO_SND_CARD_DRIVER,  in virtsnd_build_devs()
211 		sizeof(snd->card->driver));  in virtsnd_build_devs()
212 	strscpy(snd->card->shortname, VIRTIO_SND_CARD_NAME,  in virtsnd_build_devs()
213 		sizeof(snd->card->shortname));  in virtsnd_build_devs()
215 		snprintf(snd->card->longname, sizeof(snd->card->longname),  in virtsnd_build_devs()
220 		snprintf(snd->card->longname, sizeof(snd->card->longname),  in virtsnd_build_devs()
224 	rc = virtsnd_jack_parse_cfg(snd);  in virtsnd_build_devs()
228 	rc = virtsnd_pcm_parse_cfg(snd);  in virtsnd_build_devs()
232 	rc = virtsnd_chmap_parse_cfg(snd);  in virtsnd_build_devs()
237 		rc = virtsnd_kctl_parse_cfg(snd);  in virtsnd_build_devs()
242 	if (snd->njacks) {  in virtsnd_build_devs()
243 		rc = virtsnd_jack_build_devs(snd);  in virtsnd_build_devs()
248 	if (snd->nsubstreams) {  in virtsnd_build_devs()
249 		rc = virtsnd_pcm_build_devs(snd);  in virtsnd_build_devs()
254 	if (snd->nchmaps) {  in virtsnd_build_devs()
255 		rc = virtsnd_chmap_build_devs(snd);  in virtsnd_build_devs()
260 	if (snd->nkctls) {  in virtsnd_build_devs()
261 		rc = virtsnd_kctl_build_devs(snd);  in virtsnd_build_devs()
266 	return snd_card_register(snd->card);  in virtsnd_build_devs()
309 	struct virtio_snd *snd;  in virtsnd_probe()  local
313 	snd = devm_kzalloc(&vdev->dev, sizeof(*snd), GFP_KERNEL);  in virtsnd_probe()
314 	if (!snd)  in virtsnd_probe()
317 	snd->vdev = vdev;  in virtsnd_probe()
318 	INIT_LIST_HEAD(&snd->ctl_msgs);  in virtsnd_probe()
319 	INIT_LIST_HEAD(&snd->pcm_list);  in virtsnd_probe()
321 	vdev->priv = snd;  in virtsnd_probe()
324 		spin_lock_init(&snd->queues[i].lock);  in virtsnd_probe()
326 	rc = virtsnd_find_vqs(snd);  in virtsnd_probe()
332 	rc = virtsnd_build_devs(snd);  in virtsnd_probe()
336 	virtsnd_enable_event_vq(snd);  in virtsnd_probe()
353 	struct virtio_snd *snd = vdev->priv;  in virtsnd_remove()  local
356 	virtsnd_disable_event_vq(snd);  in virtsnd_remove()
357 	virtsnd_ctl_msg_cancel_all(snd);  in virtsnd_remove()
359 	if (snd->card)  in virtsnd_remove()
360 		snd_card_free(snd->card);  in virtsnd_remove()
365 	for (i = 0; snd->substreams && i < snd->nsubstreams; ++i) {  in virtsnd_remove()
366 		struct virtio_pcm_substream *vss = &snd->substreams[i];  in virtsnd_remove()
372 	kfree(snd->event_msgs);  in virtsnd_remove()
385 	struct virtio_snd *snd = vdev->priv;  in virtsnd_freeze()  local
388 	virtsnd_disable_event_vq(snd);  in virtsnd_freeze()
389 	virtsnd_ctl_msg_cancel_all(snd);  in virtsnd_freeze()
394 	for (i = 0; i < snd->nsubstreams; ++i)  in virtsnd_freeze()
395 		cancel_work_sync(&snd->substreams[i].elapsed_period);  in virtsnd_freeze()
397 	kfree(snd->event_msgs);  in virtsnd_freeze()
398 	snd->event_msgs = NULL;  in virtsnd_freeze()
412 	struct virtio_snd *snd = vdev->priv;  in virtsnd_restore()  local
415 	rc = virtsnd_find_vqs(snd);  in virtsnd_restore()
421 	virtsnd_enable_event_vq(snd);  in virtsnd_restore()