sound/ppc/pmac.c

179 static int snd_pmac_pcm_prepare(struct snd_pmac *chip, struct pmac_stream *rec, struct snd_pcm_substream *subs)
183 	struct snd_pcm_runtime *runtime = subs->runtime;
188 	rec->dma_size = snd_pcm_lib_buffer_bytes(subs);
189 	rec->period_size = snd_pcm_lib_period_bytes(subs);
244 				struct snd_pcm_substream *subs, int cmd)
254 		command = (subs->stream == SNDRV_PCM_STREAM_PLAYBACK ?
292 					      struct snd_pcm_substream *subs)
308 	return bytes_to_frames(subs->runtime, count);
315 static int snd_pmac_playback_prepare(struct snd_pcm_substream *subs)
317 	struct snd_pmac *chip = snd_pcm_substream_chip(subs);
318 	return snd_pmac_pcm_prepare(chip, &chip->playback, subs);
321 static int snd_pmac_playback_trigger(struct snd_pcm_substream *subs,
324 	struct snd_pmac *chip = snd_pcm_substream_chip(subs);
325 	return snd_pmac_pcm_trigger(chip, &chip->playback, subs, cmd);
328 static snd_pcm_uframes_t snd_pmac_playback_pointer(struct snd_pcm_substream *subs)
330 	struct snd_pmac *chip = snd_pcm_substream_chip(subs);
331 	return snd_pmac_pcm_pointer(chip, &chip->playback, subs);
339 static int snd_pmac_capture_prepare(struct snd_pcm_substream *subs)
341 	struct snd_pmac *chip = snd_pcm_substream_chip(subs);
342 	return snd_pmac_pcm_prepare(chip, &chip->capture, subs);
345 static int snd_pmac_capture_trigger(struct snd_pcm_substream *subs,
348 	struct snd_pmac *chip = snd_pcm_substream_chip(subs);
349 	return snd_pmac_pcm_trigger(chip, &chip->capture, subs, cmd);
352 static snd_pcm_uframes_t snd_pmac_capture_pointer(struct snd_pcm_substream *subs)
354 	struct snd_pmac *chip = snd_pcm_substream_chip(subs);
355 	return snd_pmac_pcm_pointer(chip, &chip->capture, subs);
554 			     struct snd_pcm_substream *subs)
556 	struct snd_pcm_runtime *runtime = subs->runtime;
586 	rec->substream = subs;
603 			      struct snd_pcm_substream *subs)
620 static int snd_pmac_playback_open(struct snd_pcm_substream *subs)
622 	struct snd_pmac *chip = snd_pcm_substream_chip(subs);
624 	subs->runtime->hw = snd_pmac_playback;
625 	return snd_pmac_pcm_open(chip, &chip->playback, subs);
628 static int snd_pmac_capture_open(struct snd_pcm_substream *subs)
630 	struct snd_pmac *chip = snd_pcm_substream_chip(subs);
632 	subs->runtime->hw = snd_pmac_capture;
633 	return snd_pmac_pcm_open(chip, &chip->capture, subs);
636 static int snd_pmac_playback_close(struct snd_pcm_substream *subs)
638 	struct snd_pmac *chip = snd_pcm_substream_chip(subs);
640 	return snd_pmac_pcm_close(chip, &chip->playback, subs);
643 static int snd_pmac_capture_close(struct snd_pcm_substream *subs)
645 	struct snd_pmac *chip = snd_pcm_substream_chip(subs);
647 	return snd_pmac_pcm_close(chip, &chip->capture, subs);