soc/google/chv3-i2s.c

132 			 struct snd_pcm_substream *substream)
134 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
138 	snd_soc_set_runtime_hwparams(substream, &chv3_dma_hw);
140 	res = snd_pcm_hw_constraint_pow2(substream->runtime, 0,
145 	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
146 		i2s->rx_substream = substream;
148 		i2s->tx_substream = substream;
153 			  struct snd_pcm_substream *substream)
155 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
158 	if (substream->pstr->stream == SNDRV_PCM_STREAM_CAPTURE)
170 	struct snd_pcm_substream *substream;
173 	substream = rtd->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
174 	if (substream) {
176 				I2S_MAX_BUFFER_SIZE, &substream->dma_buffer);
181 	substream = rtd->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream;
182 	if (substream) {
184 				I2S_MAX_BUFFER_SIZE, &substream->dma_buffer);
193 			      struct snd_pcm_substream *substream,
196 	snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
201 			    struct snd_pcm_substream *substream)
203 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
207 	buffer_bytes = snd_pcm_lib_buffer_bytes(substream);
208 	period_bytes = snd_pcm_lib_period_bytes(substream);
209 	period_size = substream->runtime->period_size;
211 	if (substream->pstr->stream == SNDRV_PCM_STREAM_CAPTURE) {
213 		chv3_i2s_wr(i2s, I2S_RX_BASE_ADDR, substream->dma_buffer.addr);
219 		chv3_i2s_wr(i2s, I2S_TX_BASE_ADDR, substream->dma_buffer.addr);
230 					  struct snd_pcm_substream *substream)
232 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
237 	frame_bytes = substream->runtime->frame_bits * 8;
238 	buffer_bytes = snd_pcm_lib_buffer_bytes(substream);
240 	if (substream->pstr->stream == SNDRV_PCM_STREAM_CAPTURE) {
248 	return bytes_to_frames(substream->runtime, idx_bytes);
252 			struct snd_pcm_substream *substream)
254 	struct snd_pcm_runtime *runtime = substream->runtime;
255 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
260 	idx = bytes & (snd_pcm_lib_buffer_bytes(substream) - 1);
262 	if (substream->pstr->stream == SNDRV_PCM_STREAM_CAPTURE)