3  * ff-pcm.c - a part of driver for RME Fireface series
8 #include "ff.h"
104 static int pcm_init_hw_params(struct snd_ff *ff,  in pcm_init_hw_params()  argument
114 		s = &ff->tx_stream;  in pcm_init_hw_params()
115 		pcm_channels = ff->spec->pcm_capture_channels;  in pcm_init_hw_params()
118 		s = &ff->rx_stream;  in pcm_init_hw_params()
119 		pcm_channels = ff->spec->pcm_playback_channels;  in pcm_init_hw_params()
141 	struct snd_ff *ff = substream->private_data;  in pcm_open()  local
142 	struct amdtp_domain *d = &ff->domain;  in pcm_open()
147 	err = snd_ff_stream_lock_try(ff);  in pcm_open()
151 	err = pcm_init_hw_params(ff, substream);  in pcm_open()
155 	err = ff->spec->protocol->get_clock(ff, &rate, &src);  in pcm_open()
159 	mutex_lock(&ff->mutex);  in pcm_open()
173 			mutex_unlock(&ff->mutex);  in pcm_open()
181 		if (ff->substreams_counter > 0) {  in pcm_open()
185 			rate = amdtp_rate_table[ff->rx_stream.sfc];  in pcm_open()
193 				mutex_unlock(&ff->mutex);  in pcm_open()
201 				mutex_unlock(&ff->mutex);  in pcm_open()
207 	mutex_unlock(&ff->mutex);  in pcm_open()
214 	snd_ff_stream_lock_release(ff);  in pcm_open()
220 	struct snd_ff *ff = substream->private_data;  in pcm_close()  local
222 	snd_ff_stream_lock_release(ff);  in pcm_close()
230 	struct snd_ff *ff = substream->private_data;  in pcm_hw_params()  local
238 		mutex_lock(&ff->mutex);  in pcm_hw_params()
239 		err = snd_ff_stream_reserve_duplex(ff, rate, frames_per_period,  in pcm_hw_params()
242 			++ff->substreams_counter;  in pcm_hw_params()
243 		mutex_unlock(&ff->mutex);  in pcm_hw_params()
251 	struct snd_ff *ff = substream->private_data;  in pcm_hw_free()  local
253 	mutex_lock(&ff->mutex);  in pcm_hw_free()
256 		--ff->substreams_counter;  in pcm_hw_free()
258 	snd_ff_stream_stop_duplex(ff);  in pcm_hw_free()
260 	mutex_unlock(&ff->mutex);  in pcm_hw_free()
267 	struct snd_ff *ff = substream->private_data;  in pcm_capture_prepare()  local
271 	mutex_lock(&ff->mutex);  in pcm_capture_prepare()
273 	err = snd_ff_stream_start_duplex(ff, runtime->rate);  in pcm_capture_prepare()
275 		amdtp_stream_pcm_prepare(&ff->tx_stream);  in pcm_capture_prepare()
277 	mutex_unlock(&ff->mutex);  in pcm_capture_prepare()
284 	struct snd_ff *ff = substream->private_data;  in pcm_playback_prepare()  local
288 	mutex_lock(&ff->mutex);  in pcm_playback_prepare()
290 	err = snd_ff_stream_start_duplex(ff, runtime->rate);  in pcm_playback_prepare()
292 		amdtp_stream_pcm_prepare(&ff->rx_stream);  in pcm_playback_prepare()
294 	mutex_unlock(&ff->mutex);  in pcm_playback_prepare()
301 	struct snd_ff *ff = substream->private_data;  in pcm_capture_trigger()  local
305 		amdtp_stream_pcm_trigger(&ff->tx_stream, substream);  in pcm_capture_trigger()
308 		amdtp_stream_pcm_trigger(&ff->tx_stream, NULL);  in pcm_capture_trigger()
319 	struct snd_ff *ff = substream->private_data;  in pcm_playback_trigger()  local
323 		amdtp_stream_pcm_trigger(&ff->rx_stream, substream);  in pcm_playback_trigger()
326 		amdtp_stream_pcm_trigger(&ff->rx_stream, NULL);  in pcm_playback_trigger()
337 	struct snd_ff *ff = sbstrm->private_data;  in pcm_capture_pointer()  local
339 	return amdtp_domain_stream_pcm_pointer(&ff->domain, &ff->tx_stream);  in pcm_capture_pointer()
344 	struct snd_ff *ff = sbstrm->private_data;  in pcm_playback_pointer()  local
346 	return amdtp_domain_stream_pcm_pointer(&ff->domain, &ff->rx_stream);  in pcm_playback_pointer()
351 	struct snd_ff *ff = substream->private_data;  in pcm_capture_ack()  local
353 	return amdtp_domain_stream_pcm_ack(&ff->domain, &ff->tx_stream);  in pcm_capture_ack()
358 	struct snd_ff *ff = substream->private_data;  in pcm_playback_ack()  local
360 	return amdtp_domain_stream_pcm_ack(&ff->domain, &ff->rx_stream);  in pcm_playback_ack()
363 int snd_ff_create_pcm_devices(struct snd_ff *ff)  in snd_ff_create_pcm_devices()  argument
388 	err = snd_pcm_new(ff->card, ff->card->driver, 0, 1, 1, &pcm);  in snd_ff_create_pcm_devices()
392 	pcm->private_data = ff;  in snd_ff_create_pcm_devices()
394 		 "%s PCM", ff->card->shortname);  in snd_ff_create_pcm_devices()