3  * linux/sound/soc-dai.h -- ALSA SoC Layer
7  * Digital Audio Interface (DAI) API.
22  * DAI hardware audio formats.
56  * DAI Clock gating.
58  * DAI bit clocks can be gated (disabled) when the DAI is not
76  * DAI hardware signal polarity.
78  * Specifies whether the DAI can also support inverted clocks for the specified
110  * DAI hardware clock providers/consumers
171 int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
174 int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai,
177 int snd_soc_dai_set_pll(struct snd_soc_dai *dai,
180 int snd_soc_dai_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio);
184 u64 snd_soc_dai_get_fmt(struct snd_soc_dai *dai, int priority);
185 int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt);
187 int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai,
190 int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai,
194 int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate);
197 int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute,
201 int snd_soc_dai_get_channel_map(struct snd_soc_dai *dai,
205 int snd_soc_dai_is_dummy(struct snd_soc_dai *dai);
207 int snd_soc_dai_hw_params(struct snd_soc_dai *dai,
210 void snd_soc_dai_hw_free(struct snd_soc_dai *dai,
213 int snd_soc_dai_startup(struct snd_soc_dai *dai,
215 void snd_soc_dai_shutdown(struct snd_soc_dai *dai,
217 void snd_soc_dai_suspend(struct snd_soc_dai *dai);
218 void snd_soc_dai_resume(struct snd_soc_dai *dai);
219 int snd_soc_dai_compress_new(struct snd_soc_dai *dai,
221 bool snd_soc_dai_stream_valid(struct snd_soc_dai *dai, int stream);
223 void snd_soc_dai_action(struct snd_soc_dai *dai,
225 static inline void snd_soc_dai_activate(struct snd_soc_dai *dai,  in snd_soc_dai_activate()  argument
228 	snd_soc_dai_action(dai, stream,  1);  in snd_soc_dai_activate()
230 static inline void snd_soc_dai_deactivate(struct snd_soc_dai *dai,  in snd_soc_dai_deactivate()  argument
233 	snd_soc_dai_action(dai, stream, -1);  in snd_soc_dai_deactivate()
235 int snd_soc_dai_active(struct snd_soc_dai *dai);
248 int snd_soc_dai_compr_startup(struct snd_soc_dai *dai,
250 void snd_soc_dai_compr_shutdown(struct snd_soc_dai *dai,
253 int snd_soc_dai_compr_trigger(struct snd_soc_dai *dai,
255 int snd_soc_dai_compr_set_params(struct snd_soc_dai *dai,
258 int snd_soc_dai_compr_get_params(struct snd_soc_dai *dai,
261 int snd_soc_dai_compr_ack(struct snd_soc_dai *dai,
264 int snd_soc_dai_compr_pointer(struct snd_soc_dai *dai,
267 int snd_soc_dai_compr_set_metadata(struct snd_soc_dai *dai,
270 int snd_soc_dai_compr_get_metadata(struct snd_soc_dai *dai,
276 	 * DAI clocking configuration, all optional.
279 	int (*set_sysclk)(struct snd_soc_dai *dai,
281 	int (*set_pll)(struct snd_soc_dai *dai, int pll_id, int source,
283 	int (*set_clkdiv)(struct snd_soc_dai *dai, int div_id, int div);
284 	int (*set_bclk_ratio)(struct snd_soc_dai *dai, unsigned int ratio);
287 	 * DAI format configuration
290 	int (*set_fmt)(struct snd_soc_dai *dai, unsigned int fmt);
293 	int (*set_tdm_slot)(struct snd_soc_dai *dai,
296 	int (*set_channel_map)(struct snd_soc_dai *dai,
299 	int (*get_channel_map)(struct snd_soc_dai *dai,
302 	int (*set_tristate)(struct snd_soc_dai *dai, int tristate);
304 	int (*set_stream)(struct snd_soc_dai *dai,
306 	void *(*get_stream)(struct snd_soc_dai *dai, int direction);
309 	 * DAI digital mute - optional.
312 	int (*mute_stream)(struct snd_soc_dai *dai, int mute, int stream);
330 	 * compatible with the current state of the dai. For example this
387  * Describes the Digital Audio Interface in terms of its ALSA, DAI and AC97
389  * structure for every DAI they have.
395 	/* DAI description */
401 	/* DAI driver callbacks */
402 	int (*probe)(struct snd_soc_dai *dai);
403 	int (*remove)(struct snd_soc_dai *dai);
404 	/* compress dai */
408 		       struct snd_soc_dai *dai);
414 	/* DAI capabilities */
429  * Holds runtime data for a DAI.
439 	/* DAI runtime info */
445 	/* DAI DMA data */
474 snd_soc_dai_get_pcm_stream(const struct snd_soc_dai *dai, int stream)  in snd_soc_dai_get_pcm_stream()  argument
477 		&dai->driver->playback : &dai->driver->capture;  in snd_soc_dai_get_pcm_stream()
482 	struct snd_soc_dai *dai, int stream)  in snd_soc_dai_get_widget()  argument
485 		dai->playback_widget : dai->capture_widget;  in snd_soc_dai_get_widget()
488 static inline void *snd_soc_dai_get_dma_data(const struct snd_soc_dai *dai,  in snd_soc_dai_get_dma_data()  argument
492 		dai->playback_dma_data : dai->capture_dma_data;  in snd_soc_dai_get_dma_data()
495 static inline void snd_soc_dai_set_dma_data(struct snd_soc_dai *dai,  in snd_soc_dai_set_dma_data()  argument
500 		dai->playback_dma_data = data;  in snd_soc_dai_set_dma_data()
502 		dai->capture_dma_data = data;  in snd_soc_dai_set_dma_data()
505 static inline void snd_soc_dai_init_dma_data(struct snd_soc_dai *dai,  in snd_soc_dai_init_dma_data()  argument
508 	dai->playback_dma_data = playback;  in snd_soc_dai_init_dma_data()
509 	dai->capture_dma_data = capture;  in snd_soc_dai_init_dma_data()
512 static inline void snd_soc_dai_set_drvdata(struct snd_soc_dai *dai,  in snd_soc_dai_set_drvdata()  argument
515 	dev_set_drvdata(dai->dev, data);  in snd_soc_dai_set_drvdata()
518 static inline void *snd_soc_dai_get_drvdata(struct snd_soc_dai *dai)  in snd_soc_dai_get_drvdata()  argument
520 	return dev_get_drvdata(dai->dev);  in snd_soc_dai_get_drvdata()
524  * snd_soc_dai_set_stream() - Configures a DAI for stream operation
525  * @dai: DAI
526  * @stream: STREAM (opaque structure depending on DAI type)
535 static inline int snd_soc_dai_set_stream(struct snd_soc_dai *dai,  in snd_soc_dai_set_stream()  argument
538 	if (dai->driver->ops->set_stream)  in snd_soc_dai_set_stream()
539 		return dai->driver->ops->set_stream(dai, stream, direction);  in snd_soc_dai_set_stream()
545  * snd_soc_dai_get_stream() - Retrieves stream from DAI
546  * @dai: DAI
555 static inline void *snd_soc_dai_get_stream(struct snd_soc_dai *dai,  in snd_soc_dai_get_stream()  argument
558 	if (dai->driver->ops->get_stream)  in snd_soc_dai_get_stream()
559 		return dai->driver->ops->get_stream(dai, direction);  in snd_soc_dai_get_stream()
565 snd_soc_dai_stream_active(struct snd_soc_dai *dai, int stream)  in snd_soc_dai_stream_active()  argument
567 	return dai->stream_active[stream];  in snd_soc_dai_stream_active()