70 static void dma_enqueue(struct snd_pcm_substream *substream)  in dma_enqueue()  argument
72 	struct runtime_data *prtd = substream->runtime->private_data;  in dma_enqueue()
86 		(substream->stream == SNDRV_PCM_STREAM_PLAYBACK  in dma_enqueue()
89 	dma_info.fp_param = substream;  in dma_enqueue()
116 	struct snd_pcm_substream *substream = data;  in audio_buffdone()  local
117 	struct runtime_data *prtd = substream->runtime->private_data;  in audio_buffdone()
126 		if (substream)  in audio_buffdone()
127 			snd_pcm_period_elapsed(substream);  in audio_buffdone()
132 			dma_enqueue(substream);  in audio_buffdone()
138 static int dma_hw_params(struct snd_pcm_substream *substream,  in dma_hw_params()  argument
141 	struct snd_pcm_runtime *runtime = substream->runtime;  in dma_hw_params()
143 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in dma_hw_params()
146 		snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);  in dma_hw_params()
172 			(substream->stream == SNDRV_PCM_STREAM_PLAYBACK  in dma_hw_params()
182 	snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);  in dma_hw_params()
197 static int dma_hw_free(struct snd_pcm_substream *substream)  in dma_hw_free()  argument
199 	struct runtime_data *prtd = substream->runtime->private_data;  in dma_hw_free()
203 	snd_pcm_set_runtime_buffer(substream, NULL);  in dma_hw_free()
215 static int dma_prepare(struct snd_pcm_substream *substream)  in dma_prepare()  argument
217 	struct runtime_data *prtd = substream->runtime->private_data;  in dma_prepare()
234 	dma_enqueue(substream);  in dma_prepare()
239 static int dma_trigger(struct snd_pcm_substream *substream, int cmd)  in dma_trigger()  argument
241 	struct runtime_data *prtd = substream->runtime->private_data;  in dma_trigger()
270 dma_pointer(struct snd_pcm_substream *substream)  in dma_pointer()  argument
272 	struct snd_pcm_runtime *runtime = substream->runtime;  in dma_pointer()
288 	if (res >= snd_pcm_lib_buffer_bytes(substream)) {  in dma_pointer()
289 		if (res == snd_pcm_lib_buffer_bytes(substream))  in dma_pointer()
293 	return bytes_to_frames(substream->runtime, res);  in dma_pointer()
296 static int dma_open(struct snd_pcm_substream *substream)  in dma_open()  argument
298 	struct snd_pcm_runtime *runtime = substream->runtime;  in dma_open()
304 	snd_soc_set_runtime_hwparams(substream, &dma_hardware);  in dma_open()
316 static int dma_close(struct snd_pcm_substream *substream)  in dma_close()  argument
318 	struct snd_pcm_runtime *runtime = substream->runtime;  in dma_close()
331 static int dma_mmap(struct snd_pcm_substream *substream,  in dma_mmap()  argument
334 	struct snd_pcm_runtime *runtime = substream->runtime;  in dma_mmap()
338 	return dma_mmap_writecombine(substream->pcm->card->dev, vma,  in dma_mmap()
358 	struct snd_pcm_substream *substream = pcm->streams[stream].substream;  in preallocate_dma_buffer()  local
359 	struct snd_dma_buffer *buf = &substream->dma_buffer;  in preallocate_dma_buffer()
377 	struct snd_pcm_substream *substream;  in dma_free_dma_buffers()  local
384 		substream = pcm->streams[stream].substream;  in dma_free_dma_buffers()
385 		if (!substream)  in dma_free_dma_buffers()
388 		buf = &substream->dma_buffer;  in dma_free_dma_buffers()
413 	if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {  in dma_new()
420 	if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) {  in dma_new()