39 int __pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,  in __pxa2xx_pcm_hw_params()  argument
42 	struct snd_pcm_runtime *runtime = substream->runtime;  in __pxa2xx_pcm_hw_params()
78 	snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);  in __pxa2xx_pcm_hw_params()
87 		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in __pxa2xx_pcm_hw_params()
106 int __pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream)  in __pxa2xx_pcm_hw_free()  argument
108 	struct pxa2xx_runtime_data *rtd = substream->runtime->private_data;  in __pxa2xx_pcm_hw_free()
115 	snd_pcm_set_runtime_buffer(substream, NULL);  in __pxa2xx_pcm_hw_free()
120 int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)  in pxa2xx_pcm_trigger()  argument
122 	struct pxa2xx_runtime_data *prtd = substream->runtime->private_data;  in pxa2xx_pcm_trigger()
154 pxa2xx_pcm_pointer(struct snd_pcm_substream *substream)  in pxa2xx_pcm_pointer()  argument
156 	struct snd_pcm_runtime *runtime = substream->runtime;  in pxa2xx_pcm_pointer()
159 	dma_addr_t ptr = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ?  in pxa2xx_pcm_pointer()
169 int __pxa2xx_pcm_prepare(struct snd_pcm_substream *substream)  in __pxa2xx_pcm_prepare()  argument
171 	struct pxa2xx_runtime_data *prtd = substream->runtime->private_data;  in __pxa2xx_pcm_prepare()
192 	struct snd_pcm_substream *substream = dev_id;  in pxa2xx_pcm_dma_irq()  local
199 		snd_pcm_period_elapsed(substream);  in pxa2xx_pcm_dma_irq()
203 		snd_pcm_stop_xrun(substream);  in pxa2xx_pcm_dma_irq()
208 int __pxa2xx_pcm_open(struct snd_pcm_substream *substream)  in __pxa2xx_pcm_open()  argument
210 	struct snd_pcm_runtime *runtime = substream->runtime;  in __pxa2xx_pcm_open()
241 		dma_alloc_writecombine(substream->pcm->card->dev, PAGE_SIZE,  in __pxa2xx_pcm_open()
257 int __pxa2xx_pcm_close(struct snd_pcm_substream *substream)  in __pxa2xx_pcm_close()  argument
259 	struct snd_pcm_runtime *runtime = substream->runtime;  in __pxa2xx_pcm_close()
262 	dma_free_writecombine(substream->pcm->card->dev, PAGE_SIZE,  in __pxa2xx_pcm_close()
269 int pxa2xx_pcm_mmap(struct snd_pcm_substream *substream,  in pxa2xx_pcm_mmap()  argument
272 	struct snd_pcm_runtime *runtime = substream->runtime;  in pxa2xx_pcm_mmap()
273 	return dma_mmap_writecombine(substream->pcm->card->dev, vma,  in pxa2xx_pcm_mmap()
282 	struct snd_pcm_substream *substream = pcm->streams[stream].substream;  in pxa2xx_pcm_preallocate_dma_buffer()  local
283 	struct snd_dma_buffer *buf = &substream->dma_buffer;  in pxa2xx_pcm_preallocate_dma_buffer()
299 	struct snd_pcm_substream *substream;  in pxa2xx_pcm_free_dma_buffers()  local
304 		substream = pcm->streams[stream].substream;  in pxa2xx_pcm_free_dma_buffers()
305 		if (!substream)  in pxa2xx_pcm_free_dma_buffers()
307 		buf = &substream->dma_buffer;  in pxa2xx_pcm_free_dma_buffers()