71 static int idma_enqueue(struct snd_pcm_substream *substream)  in idma_enqueue()  argument
73 	struct snd_pcm_runtime *runtime = substream->runtime;  in idma_enqueue()
74 	struct idma_ctrl *prtd = substream->runtime->private_data;  in idma_enqueue()
78 	prtd->token = (void *) substream;  in idma_enqueue()
106 static void idma_setcallbk(struct snd_pcm_substream *substream,  in idma_setcallbk()  argument
109 	struct idma_ctrl *prtd = substream->runtime->private_data;  in idma_setcallbk()
140 	struct snd_pcm_substream *substream = id;  in idma_done()  local
141 	struct idma_ctrl *prtd = substream->runtime->private_data;  in idma_done()
144 		snd_pcm_period_elapsed(substream);  in idma_done()
147 static int idma_hw_params(struct snd_pcm_substream *substream,  in idma_hw_params()  argument
150 	struct snd_pcm_runtime *runtime = substream->runtime;  in idma_hw_params()
151 	struct idma_ctrl *prtd = substream->runtime->private_data;  in idma_hw_params()
160 	snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);  in idma_hw_params()
168 	idma_setcallbk(substream, idma_done);  in idma_hw_params()
173 static int idma_hw_free(struct snd_pcm_substream *substream)  in idma_hw_free()  argument
175 	snd_pcm_set_runtime_buffer(substream, NULL);  in idma_hw_free()
180 static int idma_prepare(struct snd_pcm_substream *substream)  in idma_prepare()  argument
182 	struct idma_ctrl *prtd = substream->runtime->private_data;  in idma_prepare()
188 	idma_enqueue(substream);  in idma_prepare()
193 static int idma_trigger(struct snd_pcm_substream *substream, int cmd)  in idma_trigger()  argument
195 	struct idma_ctrl *prtd = substream->runtime->private_data;  in idma_trigger()
226 	idma_pointer(struct snd_pcm_substream *substream)  in idma_pointer()  argument
228 	struct snd_pcm_runtime *runtime = substream->runtime;  in idma_pointer()
240 	return bytes_to_frames(substream->runtime, res);  in idma_pointer()
243 static int idma_mmap(struct snd_pcm_substream *substream,  in idma_mmap()  argument
246 	struct snd_pcm_runtime *runtime = substream->runtime;  in idma_mmap()
288 static int idma_open(struct snd_pcm_substream *substream)  in idma_open()  argument
290 	struct snd_pcm_runtime *runtime = substream->runtime;  in idma_open()
294 	snd_soc_set_runtime_hwparams(substream, &idma_hardware);  in idma_open()
314 static int idma_close(struct snd_pcm_substream *substream)  in idma_close()  argument
316 	struct snd_pcm_runtime *runtime = substream->runtime;  in idma_close()
343 	struct snd_pcm_substream *substream;  in idma_free()  local
346 	substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;  in idma_free()
347 	if (!substream)  in idma_free()
350 	buf = &substream->dma_buffer;  in idma_free()
362 	struct snd_pcm_substream *substream = pcm->streams[stream].substream;  in preallocate_idma_buffer()  local
363 	struct snd_dma_buffer *buf = &substream->dma_buffer;  in preallocate_idma_buffer()
387 	if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {  in idma_new()