soc/bcm/cygnus-pcm.c

198 				struct snd_pcm_substream *substream)
200 	struct snd_soc_pcm_runtime *soc_runtime = snd_soc_substream_to_rtd(substream);
202 	return snd_soc_dai_get_dma_data(snd_soc_rtd_to_cpu(soc_runtime, 0), substream);
246 static int configure_ringbuf_regs(struct snd_pcm_substream *substream)
252 	aio = cygnus_dai_get_dma_data(substream);
255 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
295 static struct ringbuf_regs *get_ringbuf(struct snd_pcm_substream *substream)
300 	aio = cygnus_dai_get_dma_data(substream);
302 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
310 static void enable_intr(struct snd_pcm_substream *substream)
315 	aio = cygnus_dai_get_dma_data(substream);
320 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
344 static void disable_intr(struct snd_pcm_substream *substream)
346 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
350 	aio = cygnus_dai_get_dma_data(substream);
357 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
370 			      struct snd_pcm_substream *substream, int cmd)
377 		enable_intr(substream);
382 		disable_intr(substream);
391 static void cygnus_pcm_period_elapsed(struct snd_pcm_substream *substream)
397 	aio = cygnus_dai_get_dma_data(substream);
399 	p_rbuf = get_ringbuf(substream);
405 	snd_pcm_period_elapsed(substream);
407 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
572 			   struct snd_pcm_substream *substream)
574 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
575 	struct snd_pcm_runtime *runtime = substream->runtime;
579 	aio = cygnus_dai_get_dma_data(substream);
585 	snd_soc_set_runtime_hwparams(substream, &cygnus_pcm_hw);
597 	 * Keep track of which substream belongs to which port.
600 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
601 		aio->play_stream = substream;
603 		aio->capture_stream = substream;
609 			    struct snd_pcm_substream *substream)
611 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
614 	aio = cygnus_dai_get_dma_data(substream);
618 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
630 			      struct snd_pcm_substream *substream)
632 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
633 	struct snd_pcm_runtime *runtime = substream->runtime;
640 	aio = cygnus_dai_get_dma_data(substream);
643 	bufsize = snd_pcm_lib_buffer_bytes(substream);
644 	periodsize = snd_pcm_lib_period_bytes(substream);
649 	configure_ringbuf_regs(substream);
651 	p_rbuf = get_ringbuf(substream);
655 	is_play = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ? 1 : 0;
664 					    struct snd_pcm_substream *substream)
670 	aio = cygnus_dai_get_dma_data(substream);
676 	p_rbuf = get_ringbuf(substream);
677 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
690 	return bytes_to_frames(substream->runtime, res);