firewire/fireworks/fireworks_pcm.c

132 pcm_init_hw_params(struct snd_efw *efw,
142 		s = &efw->tx_stream;
143 		pcm_channels = efw->pcm_capture_channels;
146 		s = &efw->rx_stream;
147 		pcm_channels = efw->pcm_playback_channels;
151 	runtime->hw.rates = efw->supported_sampling_rate;
175 	struct snd_efw *efw = substream->private_data;
176 	struct amdtp_domain *d = &efw->domain;
180 	err = snd_efw_stream_lock_try(efw);
184 	err = pcm_init_hw_params(efw, substream);
188 	err = snd_efw_command_get_clock_source(efw, &clock_source);
192 	mutex_lock(&efw->mutex);
198 	    (efw->substreams_counter > 0 && d->events_per_period > 0)) {
203 		err = snd_efw_command_get_sampling_rate(efw, &sampling_rate);
205 			mutex_unlock(&efw->mutex);
216 				mutex_unlock(&efw->mutex);
224 				mutex_unlock(&efw->mutex);
230 	mutex_unlock(&efw->mutex);
236 	snd_efw_stream_lock_release(efw);
242 	struct snd_efw *efw = substream->private_data;
243 	snd_efw_stream_lock_release(efw);
250 	struct snd_efw *efw = substream->private_data;
258 		mutex_lock(&efw->mutex);
259 		err = snd_efw_stream_reserve_duplex(efw, rate,
262 			++efw->substreams_counter;
263 		mutex_unlock(&efw->mutex);
271 	struct snd_efw *efw = substream->private_data;
273 	mutex_lock(&efw->mutex);
276 		--efw->substreams_counter;
278 	snd_efw_stream_stop_duplex(efw);
280 	mutex_unlock(&efw->mutex);
287 	struct snd_efw *efw = substream->private_data;
290 	err = snd_efw_stream_start_duplex(efw);
292 		amdtp_stream_pcm_prepare(&efw->tx_stream);
298 	struct snd_efw *efw = substream->private_data;
301 	err = snd_efw_stream_start_duplex(efw);
303 		amdtp_stream_pcm_prepare(&efw->rx_stream);
310 	struct snd_efw *efw = substream->private_data;
314 		amdtp_stream_pcm_trigger(&efw->tx_stream, substream);
317 		amdtp_stream_pcm_trigger(&efw->tx_stream, NULL);
327 	struct snd_efw *efw = substream->private_data;
331 		amdtp_stream_pcm_trigger(&efw->rx_stream, substream);
334 		amdtp_stream_pcm_trigger(&efw->rx_stream, NULL);
345 	struct snd_efw *efw = sbstrm->private_data;
347 	return amdtp_domain_stream_pcm_pointer(&efw->domain, &efw->tx_stream);
351 	struct snd_efw *efw = sbstrm->private_data;
353 	return amdtp_domain_stream_pcm_pointer(&efw->domain, &efw->rx_stream);
358 	struct snd_efw *efw = substream->private_data;
360 	return amdtp_domain_stream_pcm_ack(&efw->domain, &efw->tx_stream);
365 	struct snd_efw *efw = substream->private_data;
367 	return amdtp_domain_stream_pcm_ack(&efw->domain, &efw->rx_stream);
370 int snd_efw_create_pcm_devices(struct snd_efw *efw)
395 	err = snd_pcm_new(efw->card, efw->card->driver, 0, 1, 1, &pcm);
399 	pcm->private_data = efw;
400 	snprintf(pcm->name, sizeof(pcm->name), "%s PCM", efw->card->shortname);