97 	struct snd_pcm_substream		*substream;  member
114 	snd_pcm_period_elapsed(dac->substream);  in atmel_abdac_dma_period_done()
118 		struct snd_pcm_substream *substream,  in atmel_abdac_prepare_dma()  argument
123 	struct snd_pcm_runtime		*runtime = substream->runtime;  in atmel_abdac_prepare_dma()
175 static int atmel_abdac_open(struct snd_pcm_substream *substream)  in atmel_abdac_open()  argument
177 	struct atmel_abdac *dac = snd_pcm_substream_chip(substream);  in atmel_abdac_open()
179 	dac->substream = substream;  in atmel_abdac_open()
182 	substream->runtime->hw = atmel_abdac_hw;  in atmel_abdac_open()
184 	return snd_pcm_hw_constraint_list(substream->runtime, 0,  in atmel_abdac_open()
188 static int atmel_abdac_close(struct snd_pcm_substream *substream)  in atmel_abdac_close()  argument
190 	struct atmel_abdac *dac = snd_pcm_substream_chip(substream);  in atmel_abdac_close()
191 	dac->substream = NULL;  in atmel_abdac_close()
195 static int atmel_abdac_hw_params(struct snd_pcm_substream *substream,  in atmel_abdac_hw_params()  argument
198 	struct atmel_abdac *dac = snd_pcm_substream_chip(substream);  in atmel_abdac_hw_params()
201 	retval = snd_pcm_lib_malloc_pages(substream,  in atmel_abdac_hw_params()
213 static int atmel_abdac_hw_free(struct snd_pcm_substream *substream)  in atmel_abdac_hw_free()  argument
215 	struct atmel_abdac *dac = snd_pcm_substream_chip(substream);  in atmel_abdac_hw_free()
218 	return snd_pcm_lib_free_pages(substream);  in atmel_abdac_hw_free()
221 static int atmel_abdac_prepare(struct snd_pcm_substream *substream)  in atmel_abdac_prepare()  argument
223 	struct atmel_abdac *dac = snd_pcm_substream_chip(substream);  in atmel_abdac_prepare()
226 	retval = clk_set_rate(dac->sample_clk, 256 * substream->runtime->rate);  in atmel_abdac_prepare()
231 		retval = atmel_abdac_prepare_dma(dac, substream, DMA_TO_DEVICE);  in atmel_abdac_prepare()
236 static int atmel_abdac_trigger(struct snd_pcm_substream *substream, int cmd)  in atmel_abdac_trigger()  argument
238 	struct atmel_abdac *dac = snd_pcm_substream_chip(substream);  in atmel_abdac_trigger()
268 atmel_abdac_pointer(struct snd_pcm_substream *substream)  in atmel_abdac_pointer()  argument
270 	struct atmel_abdac	*dac = snd_pcm_substream_chip(substream);  in atmel_abdac_pointer()
271 	struct snd_pcm_runtime	*runtime = substream->runtime;  in atmel_abdac_pointer()