32 int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,  in pxa2xx_pcm_hw_params()  argument
35 	struct dma_chan *chan = snd_dmaengine_pcm_get_chan(substream);  in pxa2xx_pcm_hw_params()
36 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in pxa2xx_pcm_hw_params()
41 	dma_params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);  in pxa2xx_pcm_hw_params()
45 	ret = snd_hwparams_to_dma_slave_config(substream, params, &config);  in pxa2xx_pcm_hw_params()
49 	snd_dmaengine_pcm_set_config_from_dai_data(substream,  in pxa2xx_pcm_hw_params()
50 			snd_soc_dai_get_dma_data(rtd->cpu_dai, substream),  in pxa2xx_pcm_hw_params()
57 	snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);  in pxa2xx_pcm_hw_params()
63 int pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream)  in pxa2xx_pcm_hw_free()  argument
65 	snd_pcm_set_runtime_buffer(substream, NULL);  in pxa2xx_pcm_hw_free()
70 int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)  in pxa2xx_pcm_trigger()  argument
72 	return snd_dmaengine_pcm_trigger(substream, cmd);  in pxa2xx_pcm_trigger()
77 pxa2xx_pcm_pointer(struct snd_pcm_substream *substream)  in pxa2xx_pcm_pointer()  argument
79 	return snd_dmaengine_pcm_pointer(substream);  in pxa2xx_pcm_pointer()
83 int pxa2xx_pcm_prepare(struct snd_pcm_substream *substream)  in pxa2xx_pcm_prepare()  argument
89 int pxa2xx_pcm_open(struct snd_pcm_substream *substream)  in pxa2xx_pcm_open()  argument
91 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in pxa2xx_pcm_open()
92 	struct snd_pcm_runtime *runtime = substream->runtime;  in pxa2xx_pcm_open()
98 	dma_params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);  in pxa2xx_pcm_open()
123 		substream, dma_request_slave_channel(rtd->cpu_dai->dev,  in pxa2xx_pcm_open()
128 int pxa2xx_pcm_close(struct snd_pcm_substream *substream)  in pxa2xx_pcm_close()  argument
130 	return snd_dmaengine_pcm_close_release_chan(substream);  in pxa2xx_pcm_close()
134 int pxa2xx_pcm_mmap(struct snd_pcm_substream *substream,  in pxa2xx_pcm_mmap()  argument
137 	struct snd_pcm_runtime *runtime = substream->runtime;  in pxa2xx_pcm_mmap()
138 	return dma_mmap_wc(substream->pcm->card->dev, vma, runtime->dma_area,  in pxa2xx_pcm_mmap()
145 	struct snd_pcm_substream *substream = pcm->streams[stream].substream;  in pxa2xx_pcm_preallocate_dma_buffer()  local
146 	struct snd_dma_buffer *buf = &substream->dma_buffer;  in pxa2xx_pcm_preallocate_dma_buffer()
161 	struct snd_pcm_substream *substream;  in pxa2xx_pcm_free_dma_buffers()  local
166 		substream = pcm->streams[stream].substream;  in pxa2xx_pcm_free_dma_buffers()
167 		if (!substream)  in pxa2xx_pcm_free_dma_buffers()
169 		buf = &substream->dma_buffer;  in pxa2xx_pcm_free_dma_buffers()
188 	if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {  in pxa2xx_soc_pcm_new()
195 	if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) {  in pxa2xx_soc_pcm_new()