125 static int kirkwood_dma_open(struct snd_pcm_substream *substream)  in kirkwood_dma_open()  argument
128 	struct snd_pcm_runtime *runtime = substream->runtime;  in kirkwood_dma_open()
129 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;  in kirkwood_dma_open()
137 	priv = snd_soc_dai_get_dma_data(cpu_dai, substream);  in kirkwood_dma_open()
138 	snd_soc_set_runtime_hwparams(substream, &kirkwood_dma_snd_hw);  in kirkwood_dma_open()
154 	err = snd_pcm_hw_constraint_step(substream->runtime, 0,  in kirkwood_dma_open()
184 	addr = substream->dma_buffer.addr;  in kirkwood_dma_open()
185 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in kirkwood_dma_open()
186 		prdata->play_stream = substream;  in kirkwood_dma_open()
190 		prdata->rec_stream = substream;  in kirkwood_dma_open()
198 static int kirkwood_dma_close(struct snd_pcm_substream *substream)  in kirkwood_dma_close()  argument
200 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;  in kirkwood_dma_close()
206 	priv = snd_soc_dai_get_dma_data(cpu_dai, substream);  in kirkwood_dma_close()
211 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in kirkwood_dma_close()
226 static int kirkwood_dma_hw_params(struct snd_pcm_substream *substream,  in kirkwood_dma_hw_params()  argument
229 	struct snd_pcm_runtime *runtime = substream->runtime;  in kirkwood_dma_hw_params()
231 	snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);  in kirkwood_dma_hw_params()
237 static int kirkwood_dma_hw_free(struct snd_pcm_substream *substream)  in kirkwood_dma_hw_free()  argument
239 	snd_pcm_set_runtime_buffer(substream, NULL);  in kirkwood_dma_hw_free()
243 static int kirkwood_dma_prepare(struct snd_pcm_substream *substream)  in kirkwood_dma_prepare()  argument
245 	struct snd_pcm_runtime *runtime = substream->runtime;  in kirkwood_dma_prepare()
246 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;  in kirkwood_dma_prepare()
251 	priv = snd_soc_dai_get_dma_data(cpu_dai, substream);  in kirkwood_dma_prepare()
256 	count = snd_pcm_lib_period_bytes(substream);  in kirkwood_dma_prepare()
258 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in kirkwood_dma_prepare()
273 						*substream)  in kirkwood_dma_pointer()
275 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;  in kirkwood_dma_pointer()
280 	priv = snd_soc_dai_get_dma_data(cpu_dai, substream);  in kirkwood_dma_pointer()
282 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in kirkwood_dma_pointer()
283 		count = bytes_to_frames(substream->runtime,  in kirkwood_dma_pointer()
286 		count = bytes_to_frames(substream->runtime,  in kirkwood_dma_pointer()
305 	struct snd_pcm_substream *substream = pcm->streams[stream].substream;  in kirkwood_dma_preallocate_dma_buffer()  local
306 	struct snd_dma_buffer *buf = &substream->dma_buffer;  in kirkwood_dma_preallocate_dma_buffer()
332 	if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {  in kirkwood_dma_new()
339 	if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) {  in kirkwood_dma_new()
351 	struct snd_pcm_substream *substream;  in kirkwood_dma_free_dma_buffers()  local
356 		substream = pcm->streams[stream].substream;  in kirkwood_dma_free_dma_buffers()
357 		if (!substream)  in kirkwood_dma_free_dma_buffers()
359 		buf = &substream->dma_buffer;  in kirkwood_dma_free_dma_buffers()