38 int __pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,  in __pxa2xx_pcm_hw_params()  argument
41 	struct dma_chan *chan = snd_dmaengine_pcm_get_chan(substream);  in __pxa2xx_pcm_hw_params()
42 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in __pxa2xx_pcm_hw_params()
47 	dma_params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);  in __pxa2xx_pcm_hw_params()
51 	ret = snd_hwparams_to_dma_slave_config(substream, params, &config);  in __pxa2xx_pcm_hw_params()
55 	snd_dmaengine_pcm_set_config_from_dai_data(substream,  in __pxa2xx_pcm_hw_params()
56 			snd_soc_dai_get_dma_data(rtd->cpu_dai, substream),  in __pxa2xx_pcm_hw_params()
63 	snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);  in __pxa2xx_pcm_hw_params()
69 int __pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream)  in __pxa2xx_pcm_hw_free()  argument
71 	snd_pcm_set_runtime_buffer(substream, NULL);  in __pxa2xx_pcm_hw_free()
76 int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)  in pxa2xx_pcm_trigger()  argument
78 	return snd_dmaengine_pcm_trigger(substream, cmd);  in pxa2xx_pcm_trigger()
83 pxa2xx_pcm_pointer(struct snd_pcm_substream *substream)  in pxa2xx_pcm_pointer()  argument
85 	return snd_dmaengine_pcm_pointer(substream);  in pxa2xx_pcm_pointer()
89 int __pxa2xx_pcm_prepare(struct snd_pcm_substream *substream)  in __pxa2xx_pcm_prepare()  argument
95 int __pxa2xx_pcm_open(struct snd_pcm_substream *substream)  in __pxa2xx_pcm_open()  argument
97 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in __pxa2xx_pcm_open()
98 	struct snd_pcm_runtime *runtime = substream->runtime;  in __pxa2xx_pcm_open()
104 	dma_params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);  in __pxa2xx_pcm_open()
128 	return snd_dmaengine_pcm_open_request_chan(substream,  in __pxa2xx_pcm_open()
134 int __pxa2xx_pcm_close(struct snd_pcm_substream *substream)  in __pxa2xx_pcm_close()  argument
136 	return snd_dmaengine_pcm_close_release_chan(substream);  in __pxa2xx_pcm_close()
140 int pxa2xx_pcm_mmap(struct snd_pcm_substream *substream,  in pxa2xx_pcm_mmap()  argument
143 	struct snd_pcm_runtime *runtime = substream->runtime;  in pxa2xx_pcm_mmap()
144 	return dma_mmap_writecombine(substream->pcm->card->dev, vma,  in pxa2xx_pcm_mmap()
153 	struct snd_pcm_substream *substream = pcm->streams[stream].substream;  in pxa2xx_pcm_preallocate_dma_buffer()  local
154 	struct snd_dma_buffer *buf = &substream->dma_buffer;  in pxa2xx_pcm_preallocate_dma_buffer()
170 	struct snd_pcm_substream *substream;  in pxa2xx_pcm_free_dma_buffers()  local
175 		substream = pcm->streams[stream].substream;  in pxa2xx_pcm_free_dma_buffers()
176 		if (!substream)  in pxa2xx_pcm_free_dma_buffers()
178 		buf = &substream->dma_buffer;  in pxa2xx_pcm_free_dma_buffers()