105 static int kirkwood_dma_open(struct snd_pcm_substream *substream)  in kirkwood_dma_open()  argument
108 	struct snd_pcm_runtime *runtime = substream->runtime;  in kirkwood_dma_open()
109 	struct kirkwood_dma_data *priv = kirkwood_priv(substream);  in kirkwood_dma_open()
113 	snd_soc_set_runtime_hwparams(substream, &kirkwood_dma_snd_hw);  in kirkwood_dma_open()
129 	err = snd_pcm_hw_constraint_step(substream->runtime, 0,  in kirkwood_dma_open()
149 	addr = substream->dma_buffer.addr;  in kirkwood_dma_open()
150 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in kirkwood_dma_open()
151 		priv->substream_play = substream;  in kirkwood_dma_open()
155 		priv->substream_rec = substream;  in kirkwood_dma_open()
163 static int kirkwood_dma_close(struct snd_pcm_substream *substream)  in kirkwood_dma_close()  argument
165 	struct kirkwood_dma_data *priv = kirkwood_priv(substream);  in kirkwood_dma_close()
170 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in kirkwood_dma_close()
183 static int kirkwood_dma_hw_params(struct snd_pcm_substream *substream,  in kirkwood_dma_hw_params()  argument
186 	struct snd_pcm_runtime *runtime = substream->runtime;  in kirkwood_dma_hw_params()
188 	snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);  in kirkwood_dma_hw_params()
194 static int kirkwood_dma_hw_free(struct snd_pcm_substream *substream)  in kirkwood_dma_hw_free()  argument
196 	snd_pcm_set_runtime_buffer(substream, NULL);  in kirkwood_dma_hw_free()
200 static int kirkwood_dma_prepare(struct snd_pcm_substream *substream)  in kirkwood_dma_prepare()  argument
202 	struct snd_pcm_runtime *runtime = substream->runtime;  in kirkwood_dma_prepare()
203 	struct kirkwood_dma_data *priv = kirkwood_priv(substream);  in kirkwood_dma_prepare()
209 	count = snd_pcm_lib_period_bytes(substream);  in kirkwood_dma_prepare()
211 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in kirkwood_dma_prepare()
226 						*substream)  in kirkwood_dma_pointer()
228 	struct kirkwood_dma_data *priv = kirkwood_priv(substream);  in kirkwood_dma_pointer()
231 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in kirkwood_dma_pointer()
232 		count = bytes_to_frames(substream->runtime,  in kirkwood_dma_pointer()
235 		count = bytes_to_frames(substream->runtime,  in kirkwood_dma_pointer()
254 	struct snd_pcm_substream *substream = pcm->streams[stream].substream;  in kirkwood_dma_preallocate_dma_buffer()  local
255 	struct snd_dma_buffer *buf = &substream->dma_buffer;  in kirkwood_dma_preallocate_dma_buffer()
280 	if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {  in kirkwood_dma_new()
287 	if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) {  in kirkwood_dma_new()
299 	struct snd_pcm_substream *substream;  in kirkwood_dma_free_dma_buffers()  local
304 		substream = pcm->streams[stream].substream;  in kirkwood_dma_free_dma_buffers()
305 		if (!substream)  in kirkwood_dma_free_dma_buffers()
307 		buf = &substream->dma_buffer;  in kirkwood_dma_free_dma_buffers()