40 	struct snd_pcm_substream *substream)  in dmaengine_dma_dev()  argument
42 	if (!pcm->chan[substream->stream])  in dmaengine_dma_dev()
45 	return pcm->chan[substream->stream]->device->dev;  in dmaengine_dma_dev()
61 int snd_dmaengine_pcm_prepare_slave_config(struct snd_pcm_substream *substream,  in snd_dmaengine_pcm_prepare_slave_config()  argument
64 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in snd_dmaengine_pcm_prepare_slave_config()
68 	dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);  in snd_dmaengine_pcm_prepare_slave_config()
70 	ret = snd_hwparams_to_dma_slave_config(substream, params, slave_config);  in snd_dmaengine_pcm_prepare_slave_config()
74 	snd_dmaengine_pcm_set_config_from_dai_data(substream, dma_data,  in snd_dmaengine_pcm_prepare_slave_config()
81 static int dmaengine_pcm_hw_params(struct snd_pcm_substream *substream,  in dmaengine_pcm_hw_params()  argument
84 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in dmaengine_pcm_hw_params()
86 	struct dma_chan *chan = snd_dmaengine_pcm_get_chan(substream);  in dmaengine_pcm_hw_params()
87 	int (*prepare_slave_config)(struct snd_pcm_substream *substream,  in dmaengine_pcm_hw_params()
101 		ret = prepare_slave_config(substream, params, &slave_config);  in dmaengine_pcm_hw_params()
110 	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params));  in dmaengine_pcm_hw_params()
113 static int dmaengine_pcm_set_runtime_hwparams(struct snd_pcm_substream *substream)  in dmaengine_pcm_set_runtime_hwparams()  argument
115 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in dmaengine_pcm_set_runtime_hwparams()
117 	struct device *dma_dev = dmaengine_dma_dev(pcm, substream);  in dmaengine_pcm_set_runtime_hwparams()
118 	struct dma_chan *chan = pcm->chan[substream->stream];  in dmaengine_pcm_set_runtime_hwparams()
128 		return snd_soc_set_runtime_hwparams(substream,  in dmaengine_pcm_set_runtime_hwparams()
131 	dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);  in dmaengine_pcm_set_runtime_hwparams()
153 		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in dmaengine_pcm_set_runtime_hwparams()
186 	return snd_soc_set_runtime_hwparams(substream, &hw);  in dmaengine_pcm_set_runtime_hwparams()
189 static int dmaengine_pcm_open(struct snd_pcm_substream *substream)  in dmaengine_pcm_open()  argument
191 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in dmaengine_pcm_open()
193 	struct dma_chan *chan = pcm->chan[substream->stream];  in dmaengine_pcm_open()
196 	ret = dmaengine_pcm_set_runtime_hwparams(substream);  in dmaengine_pcm_open()
200 	return snd_dmaengine_pcm_open(substream, chan);  in dmaengine_pcm_open()
205 	struct snd_pcm_substream *substream)  in dmaengine_pcm_compat_request_channel()  argument
211 	dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);  in dmaengine_pcm_compat_request_channel()
217 		return pcm->config->compat_request_channel(rtd, substream);  in dmaengine_pcm_compat_request_channel()
246 	struct snd_pcm_substream *substream;  in dmaengine_pcm_new()  local
262 		substream = rtd->pcm->streams[i].substream;  in dmaengine_pcm_new()
263 		if (!substream)  in dmaengine_pcm_new()
266 		dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);  in dmaengine_pcm_new()
275 				substream);  in dmaengine_pcm_new()
284 		ret = snd_pcm_lib_preallocate_pages(substream,  in dmaengine_pcm_new()
286 				dmaengine_dma_dev(pcm, substream),  in dmaengine_pcm_new()
307 	struct snd_pcm_substream *substream)  in dmaengine_pcm_pointer()  argument
309 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in dmaengine_pcm_pointer()
313 		return snd_dmaengine_pcm_pointer_no_residue(substream);  in dmaengine_pcm_pointer()
315 		return snd_dmaengine_pcm_pointer(substream);  in dmaengine_pcm_pointer()