75 static int omap_pcm_hw_params(struct snd_pcm_substream *substream,  in omap_pcm_hw_params()  argument
78 	struct snd_pcm_runtime *runtime = substream->runtime;  in omap_pcm_hw_params()
79 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in omap_pcm_hw_params()
85 	dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);  in omap_pcm_hw_params()
92 	snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);  in omap_pcm_hw_params()
95 	chan = snd_dmaengine_pcm_get_chan(substream);  in omap_pcm_hw_params()
100 	err = snd_hwparams_to_dma_slave_config(substream, params, &config);  in omap_pcm_hw_params()
104 	snd_dmaengine_pcm_set_config_from_dai_data(substream,  in omap_pcm_hw_params()
105 			snd_soc_dai_get_dma_data(rtd->cpu_dai, substream),  in omap_pcm_hw_params()
111 static int omap_pcm_hw_free(struct snd_pcm_substream *substream)  in omap_pcm_hw_free()  argument
113 	snd_pcm_set_runtime_buffer(substream, NULL);  in omap_pcm_hw_free()
117 static snd_pcm_uframes_t omap_pcm_pointer(struct snd_pcm_substream *substream)  in omap_pcm_pointer()  argument
122 		offset = snd_dmaengine_pcm_pointer_no_residue(substream);  in omap_pcm_pointer()
124 		offset = snd_dmaengine_pcm_pointer(substream);  in omap_pcm_pointer()
129 static int omap_pcm_open(struct snd_pcm_substream *substream)  in omap_pcm_open()  argument
131 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in omap_pcm_open()
135 	snd_soc_set_runtime_hwparams(substream, &omap_pcm_hardware);  in omap_pcm_open()
137 	dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);  in omap_pcm_open()
145 		ret = snd_dmaengine_pcm_open(substream, chan);  in omap_pcm_open()
147 		ret = snd_dmaengine_pcm_open_request_chan(substream,  in omap_pcm_open()
154 static int omap_pcm_mmap(struct snd_pcm_substream *substream,  in omap_pcm_mmap()  argument
157 	struct snd_pcm_runtime *runtime = substream->runtime;  in omap_pcm_mmap()
159 	return dma_mmap_writecombine(substream->pcm->card->dev, vma,  in omap_pcm_mmap()
179 	struct snd_pcm_substream *substream = pcm->streams[stream].substream;  in omap_pcm_preallocate_dma_buffer()  local
180 	struct snd_dma_buffer *buf = &substream->dma_buffer;  in omap_pcm_preallocate_dma_buffer()
197 	struct snd_pcm_substream *substream;  in omap_pcm_free_dma_buffers()  local
202 		substream = pcm->streams[stream].substream;  in omap_pcm_free_dma_buffers()
203 		if (!substream)  in omap_pcm_free_dma_buffers()
206 		buf = &substream->dma_buffer;  in omap_pcm_free_dma_buffers()
226 	if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {  in omap_pcm_new()
233 	if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) {  in omap_pcm_new()