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,
274 const char *snd_soc_dai_name_get(struct snd_soc_dai *dai);
277 	/* DAI driver callbacks */
278 	int (*probe)(struct snd_soc_dai *dai);
279 	int (*remove)(struct snd_soc_dai *dai);
280 	/* compress dai */
284 		       struct snd_soc_dai *dai);
287 	 * DAI clocking configuration, all optional.
290 	int (*set_sysclk)(struct snd_soc_dai *dai,
292 	int (*set_pll)(struct snd_soc_dai *dai, int pll_id, int source,
294 	int (*set_clkdiv)(struct snd_soc_dai *dai, int div_id, int div);
295 	int (*set_bclk_ratio)(struct snd_soc_dai *dai, unsigned int ratio);
298 	 * DAI format configuration
301 	int (*set_fmt)(struct snd_soc_dai *dai, unsigned int fmt);
304 	int (*set_tdm_slot)(struct snd_soc_dai *dai,
307 	int (*set_channel_map)(struct snd_soc_dai *dai,
310 	int (*get_channel_map)(struct snd_soc_dai *dai,
313 	int (*set_tristate)(struct snd_soc_dai *dai, int tristate);
315 	int (*set_stream)(struct snd_soc_dai *dai,
317 	void *(*get_stream)(struct snd_soc_dai *dai, int direction);
320 	 * DAI digital mute - optional.
323 	int (*mute_stream)(struct snd_soc_dai *dai, int mute, int stream);
341 	 * compatible with the current state of the dai. For example this
403  * Describes the Digital Audio Interface in terms of its ALSA, DAI and AC97
405  * structure for every DAI they have.
411 	/* DAI description */
422 	/* DAI capabilities */
437 	void *dma_data;		/* DAI DMA data */
443  * Holds runtime data for a DAI.
453 	/* DAI runtime info */
477 snd_soc_dai_get_pcm_stream(const struct snd_soc_dai *dai, int stream)  in snd_soc_dai_get_pcm_stream()  argument
480 		&dai->driver->playback : &dai->driver->capture;  in snd_soc_dai_get_pcm_stream()
483 #define snd_soc_dai_get_widget_playback(dai)	snd_soc_dai_get_widget(dai, SNDRV_PCM_STREAM_PLAYBACK)  argument
484 #define snd_soc_dai_get_widget_capture(dai)	snd_soc_dai_get_widget(dai, SNDRV_PCM_STREAM_CAPTURE)  argument
486 struct snd_soc_dapm_widget *snd_soc_dai_get_widget(struct snd_soc_dai *dai, int stream)  in snd_soc_dai_get_widget()  argument
488 	return dai->stream[stream].widget;  in snd_soc_dai_get_widget()
491 #define snd_soc_dai_set_widget_playback(dai, widget)	snd_soc_dai_set_widget(dai, SNDRV_PCM_STREAM_P…  argument
492 #define snd_soc_dai_set_widget_capture(dai,  widget)	snd_soc_dai_set_widget(dai, SNDRV_PCM_STREAM_C…  argument
494 void snd_soc_dai_set_widget(struct snd_soc_dai *dai, int stream, struct snd_soc_dapm_widget *widget)  in snd_soc_dai_set_widget()  argument
496 	dai->stream[stream].widget = widget;  in snd_soc_dai_set_widget()
499 #define snd_soc_dai_dma_data_get_playback(dai)	snd_soc_dai_dma_data_get(dai, SNDRV_PCM_STREAM_PLAYB…  argument
500 #define snd_soc_dai_dma_data_get_capture(dai)	snd_soc_dai_dma_data_get(dai, SNDRV_PCM_STREAM_CAPTUR…  argument
501 #define snd_soc_dai_get_dma_data(dai, ss)	snd_soc_dai_dma_data_get(dai, ss->stream)  argument
502 static inline void *snd_soc_dai_dma_data_get(const struct snd_soc_dai *dai, int stream)  in snd_soc_dai_dma_data_get()  argument
504 	return dai->stream[stream].dma_data;  in snd_soc_dai_dma_data_get()
507 #define snd_soc_dai_dma_data_set_playback(dai, data)	snd_soc_dai_dma_data_set(dai, SNDRV_PCM_STREAM…  argument
508 #define snd_soc_dai_dma_data_set_capture(dai,  data)	snd_soc_dai_dma_data_set(dai, SNDRV_PCM_STREAM…  argument
509 #define snd_soc_dai_set_dma_data(dai, ss, data)		snd_soc_dai_dma_data_set(dai, ss->stream, data)  argument
510 static inline void snd_soc_dai_dma_data_set(struct snd_soc_dai *dai, int stream, void *data)  in snd_soc_dai_dma_data_set()  argument
512 	dai->stream[stream].dma_data = data;  in snd_soc_dai_dma_data_set()
515 static inline void snd_soc_dai_init_dma_data(struct snd_soc_dai *dai, void *playback, void *capture)  in snd_soc_dai_init_dma_data()  argument
517 	snd_soc_dai_dma_data_set_playback(dai, playback);  in snd_soc_dai_init_dma_data()
518 	snd_soc_dai_dma_data_set_capture(dai,  capture);  in snd_soc_dai_init_dma_data()
521 static inline unsigned int snd_soc_dai_tdm_mask_get(struct snd_soc_dai *dai, int stream)  in snd_soc_dai_tdm_mask_get()  argument
523 	return dai->stream[stream].tdm_mask;  in snd_soc_dai_tdm_mask_get()
526 static inline void snd_soc_dai_tdm_mask_set(struct snd_soc_dai *dai, int stream,  in snd_soc_dai_tdm_mask_set()  argument
529 	dai->stream[stream].tdm_mask = tdm_mask;  in snd_soc_dai_tdm_mask_set()
532 static inline unsigned int snd_soc_dai_stream_active(struct snd_soc_dai *dai, int stream)  in snd_soc_dai_stream_active()  argument
535 	return dai->stream[stream].active;  in snd_soc_dai_stream_active()
538 static inline void snd_soc_dai_set_drvdata(struct snd_soc_dai *dai,  in snd_soc_dai_set_drvdata()  argument
541 	dev_set_drvdata(dai->dev, data);  in snd_soc_dai_set_drvdata()
544 static inline void *snd_soc_dai_get_drvdata(struct snd_soc_dai *dai)  in snd_soc_dai_get_drvdata()  argument
546 	return dev_get_drvdata(dai->dev);  in snd_soc_dai_get_drvdata()
550  * snd_soc_dai_set_stream() - Configures a DAI for stream operation
551  * @dai: DAI
552  * @stream: STREAM (opaque structure depending on DAI type)
561 static inline int snd_soc_dai_set_stream(struct snd_soc_dai *dai,  in snd_soc_dai_set_stream()  argument
564 	if (dai->driver->ops->set_stream)  in snd_soc_dai_set_stream()
565 		return dai->driver->ops->set_stream(dai, stream, direction);  in snd_soc_dai_set_stream()
571  * snd_soc_dai_get_stream() - Retrieves stream from DAI
572  * @dai: DAI
581 static inline void *snd_soc_dai_get_stream(struct snd_soc_dai *dai,  in snd_soc_dai_get_stream()  argument
584 	if (dai->driver->ops->get_stream)  in snd_soc_dai_get_stream()
585 		return dai->driver->ops->get_stream(dai, direction);  in snd_soc_dai_get_stream()