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soc-component.h

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linux-6.19.14/include/sound/soc-component.h C
  1/* SPDX-License-Identifier: GPL-2.0
  2 *
  3 * soc-component.h
  4 *
  5 * Copyright (C) 2019 Renesas Electronics Corp.
  6 * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
  7 */
  8#ifndef __SOC_COMPONENT_H
  9#define __SOC_COMPONENT_H
 10
 11#include <sound/soc.h>
 12
 13/*
 14 * Component probe and remove ordering levels for components with runtime
 15 * dependencies.
 16 */
 17#define SND_SOC_COMP_ORDER_FIRST	-2
 18#define SND_SOC_COMP_ORDER_EARLY	-1
 19#define SND_SOC_COMP_ORDER_NORMAL	 0
 20#define SND_SOC_COMP_ORDER_LATE		 1
 21#define SND_SOC_COMP_ORDER_LAST		 2
 22
 23#define for_each_comp_order(order)		\
 24	for (order  = SND_SOC_COMP_ORDER_FIRST;	\
 25	     order <= SND_SOC_COMP_ORDER_LAST;	\
 26	     order++)
 27
 28/* component interface */
 29struct snd_compress_ops {
 30	int (*open)(struct snd_soc_component *component,
 31		    struct snd_compr_stream *stream);
 32	int (*free)(struct snd_soc_component *component,
 33		    struct snd_compr_stream *stream);
 34	int (*set_params)(struct snd_soc_component *component,
 35			  struct snd_compr_stream *stream,
 36			  struct snd_compr_params *params);
 37	int (*get_params)(struct snd_soc_component *component,
 38			  struct snd_compr_stream *stream,
 39			  struct snd_codec *params);
 40	int (*set_metadata)(struct snd_soc_component *component,
 41			    struct snd_compr_stream *stream,
 42			    struct snd_compr_metadata *metadata);
 43	int (*get_metadata)(struct snd_soc_component *component,
 44			    struct snd_compr_stream *stream,
 45			    struct snd_compr_metadata *metadata);
 46	int (*trigger)(struct snd_soc_component *component,
 47		       struct snd_compr_stream *stream, int cmd);
 48	int (*pointer)(struct snd_soc_component *component,
 49		       struct snd_compr_stream *stream,
 50		       struct snd_compr_tstamp64 *tstamp);
 51	int (*copy)(struct snd_soc_component *component,
 52		    struct snd_compr_stream *stream, char __user *buf,
 53		    size_t count);
 54	int (*mmap)(struct snd_soc_component *component,
 55		    struct snd_compr_stream *stream,
 56		    struct vm_area_struct *vma);
 57	int (*ack)(struct snd_soc_component *component,
 58		   struct snd_compr_stream *stream, size_t bytes);
 59	int (*get_caps)(struct snd_soc_component *component,
 60			struct snd_compr_stream *stream,
 61			struct snd_compr_caps *caps);
 62	int (*get_codec_caps)(struct snd_soc_component *component,
 63			      struct snd_compr_stream *stream,
 64			      struct snd_compr_codec_caps *codec);
 65};
 66
 67struct snd_soc_component_driver {
 68	const char *name;
 69
 70	/* Default control and setup, added after probe() is run */
 71	const struct snd_kcontrol_new *controls;
 72	unsigned int num_controls;
 73	const struct snd_soc_dapm_widget *dapm_widgets;
 74	unsigned int num_dapm_widgets;
 75	const struct snd_soc_dapm_route *dapm_routes;
 76	unsigned int num_dapm_routes;
 77
 78	int (*probe)(struct snd_soc_component *component);
 79	void (*remove)(struct snd_soc_component *component);
 80	int (*suspend)(struct snd_soc_component *component);
 81	int (*resume)(struct snd_soc_component *component);
 82
 83	unsigned int (*read)(struct snd_soc_component *component,
 84			     unsigned int reg);
 85	int (*write)(struct snd_soc_component *component,
 86		     unsigned int reg, unsigned int val);
 87
 88	/* pcm creation and destruction */
 89	int (*pcm_construct)(struct snd_soc_component *component,
 90			     struct snd_soc_pcm_runtime *rtd);
 91	void (*pcm_destruct)(struct snd_soc_component *component,
 92			     struct snd_pcm *pcm);
 93
 94	/* component wide operations */
 95	int (*set_sysclk)(struct snd_soc_component *component,
 96			  int clk_id, int source, unsigned int freq, int dir);
 97	int (*set_pll)(struct snd_soc_component *component, int pll_id,
 98		       int source, unsigned int freq_in, unsigned int freq_out);
 99	int (*set_jack)(struct snd_soc_component *component,
100			struct snd_soc_jack *jack,  void *data);
101	int (*get_jack_type)(struct snd_soc_component *component);
102
103	/* DT */
104	int (*of_xlate_dai_name)(struct snd_soc_component *component,
105				 const struct of_phandle_args *args,
106				 const char **dai_name);
107	int (*of_xlate_dai_id)(struct snd_soc_component *comment,
108			       struct device_node *endpoint);
109	void (*seq_notifier)(struct snd_soc_component *component,
110			     enum snd_soc_dapm_type type, int subseq);
111	int (*stream_event)(struct snd_soc_component *component, int event);
112	int (*set_bias_level)(struct snd_soc_component *component,
113			      enum snd_soc_bias_level level);
114
115	int (*open)(struct snd_soc_component *component,
116		    struct snd_pcm_substream *substream);
117	int (*close)(struct snd_soc_component *component,
118		     struct snd_pcm_substream *substream);
119	int (*ioctl)(struct snd_soc_component *component,
120		     struct snd_pcm_substream *substream,
121		     unsigned int cmd, void *arg);
122	int (*hw_params)(struct snd_soc_component *component,
123			 struct snd_pcm_substream *substream,
124			 struct snd_pcm_hw_params *params);
125	int (*hw_free)(struct snd_soc_component *component,
126		       struct snd_pcm_substream *substream);
127	int (*prepare)(struct snd_soc_component *component,
128		       struct snd_pcm_substream *substream);
129	int (*trigger)(struct snd_soc_component *component,
130		       struct snd_pcm_substream *substream, int cmd);
131	int (*sync_stop)(struct snd_soc_component *component,
132			 struct snd_pcm_substream *substream);
133	snd_pcm_uframes_t (*pointer)(struct snd_soc_component *component,
134				     struct snd_pcm_substream *substream);
135	int (*get_time_info)(struct snd_soc_component *component,
136		struct snd_pcm_substream *substream, struct timespec64 *system_ts,
137		struct timespec64 *audio_ts,
138		struct snd_pcm_audio_tstamp_config *audio_tstamp_config,
139		struct snd_pcm_audio_tstamp_report *audio_tstamp_report);
140	int (*copy)(struct snd_soc_component *component,
141		    struct snd_pcm_substream *substream, int channel,
142		    unsigned long pos, struct iov_iter *iter,
143		    unsigned long bytes);
144	struct page *(*page)(struct snd_soc_component *component,
145			     struct snd_pcm_substream *substream,
146			     unsigned long offset);
147	int (*mmap)(struct snd_soc_component *component,
148		    struct snd_pcm_substream *substream,
149		    struct vm_area_struct *vma);
150	int (*ack)(struct snd_soc_component *component,
151		   struct snd_pcm_substream *substream);
152	snd_pcm_sframes_t (*delay)(struct snd_soc_component *component,
153				   struct snd_pcm_substream *substream);
154
155	const struct snd_compress_ops *compress_ops;
156
157	/* probe ordering - for components with runtime dependencies */
158	int probe_order;
159	int remove_order;
160
161	/*
162	 * soc_pcm_trigger() start/stop sequence.
163	 * see also
164	 *	snd_soc_dai_link
165	 *	soc_pcm_trigger()
166	 */
167	enum snd_soc_trigger_order trigger_start;
168	enum snd_soc_trigger_order trigger_stop;
169
170	/*
171	 * signal if the module handling the component should not be removed
172	 * if a pcm is open. Setting this would prevent the module
173	 * refcount being incremented in probe() but allow it be incremented
174	 * when a pcm is opened and decremented when it is closed.
175	 */
176	unsigned int module_get_upon_open:1;
177
178	/* bits */
179	unsigned int idle_bias_on:1;
180	unsigned int suspend_bias_off:1;
181	unsigned int use_pmdown_time:1; /* care pmdown_time at stop */
182	/*
183	 * Indicates that the component does not care about the endianness of
184	 * PCM audio data and the core will ensure that both LE and BE variants
185	 * of each used format are present. Typically this is because the
186	 * component sits behind a bus that abstracts away the endian of the
187	 * original data, ie. one for which the transmission endian is defined
188	 * (I2S/SLIMbus/SoundWire), or the concept of endian doesn't exist (PDM,
189	 * analogue).
190	 */
191	unsigned int endianness:1;
192	unsigned int legacy_dai_naming:1;
193
194	/* this component uses topology and ignore machine driver FEs */
195	const char *ignore_machine;
196	const char *topology_name_prefix;
197	int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
198				  struct snd_pcm_hw_params *params);
199	bool use_dai_pcm_id;	/* use DAI link PCM ID as PCM device number */
200	int be_pcm_base;	/* base device ID for all BE PCMs */
201
202#ifdef CONFIG_DEBUG_FS
203	const char *debugfs_prefix;
204#endif
205};
206
207struct snd_soc_component {
208	const char *name;
209	const char *name_prefix;
210	struct device *dev;
211	struct snd_soc_card *card;
212
213	unsigned int active;
214
215	unsigned int suspended:1; /* is in suspend PM state */
216
217	struct list_head list;
218	struct list_head card_aux_list; /* for auxiliary bound components */
219	struct list_head card_list;
220
221	const struct snd_soc_component_driver *driver;
222
223	struct list_head dai_list;
224	int num_dai;
225
226	struct regmap *regmap;
227	int val_bytes;
228
229	struct mutex io_mutex;
230
231	/* attached dynamic objects */
232	struct list_head dobj_list;
233
234	/*
235	 * DO NOT use any of the fields below in drivers, they are temporary and
236	 * are going to be removed again soon. If you use them in driver code
237	 * the driver will be marked as BROKEN when these fields are removed.
238	 */
239
240	/* Don't use these, use snd_soc_component_get_dapm() */
241	struct snd_soc_dapm_context dapm;
242
243	/* machine specific init */
244	int (*init)(struct snd_soc_component *component);
245
246	/* function mark */
247	void *mark_module;
248	struct snd_pcm_substream *mark_open;
249	struct snd_pcm_substream *mark_hw_params;
250	struct snd_pcm_substream *mark_trigger;
251	struct snd_compr_stream  *mark_compr_open;
252	void *mark_pm;
253
254	struct dentry *debugfs_root;
255	const char *debugfs_prefix;
256};
257
258#define for_each_component_dais(component, dai)\
259	list_for_each_entry(dai, &(component)->dai_list, list)
260#define for_each_component_dais_safe(component, dai, _dai)\
261	list_for_each_entry_safe(dai, _dai, &(component)->dai_list, list)
262
263/**
264 * snd_soc_component_to_dapm() - Returns the DAPM context associated with a
265 *  component
266 * @component: The component for which to get the DAPM context
267 */
268static inline struct snd_soc_dapm_context *snd_soc_component_to_dapm(
269	struct snd_soc_component *component)
270{
271	return &component->dapm;
272}
273
274// FIXME
275#define snd_soc_component_get_dapm	snd_soc_component_to_dapm
276
277/**
278 * snd_soc_component_cache_sync() - Sync the register cache with the hardware
279 * @component: COMPONENT to sync
280 *
281 * Note: This function will call regcache_sync()
282 */
283static inline int snd_soc_component_cache_sync(
284	struct snd_soc_component *component)
285{
286	return regcache_sync(component->regmap);
287}
288
289void snd_soc_component_set_aux(struct snd_soc_component *component,
290			       struct snd_soc_aux_dev *aux);
291int snd_soc_component_init(struct snd_soc_component *component);
292int snd_soc_component_is_dummy(struct snd_soc_component *component);
293
294/* component IO */
295unsigned int snd_soc_component_read(struct snd_soc_component *component,
296				      unsigned int reg);
297int snd_soc_component_write(struct snd_soc_component *component,
298			    unsigned int reg, unsigned int val);
299int snd_soc_component_update_bits(struct snd_soc_component *component,
300				  unsigned int reg, unsigned int mask,
301				  unsigned int val);
302int snd_soc_component_update_bits_async(struct snd_soc_component *component,
303					unsigned int reg, unsigned int mask,
304					unsigned int val);
305void snd_soc_component_async_complete(struct snd_soc_component *component);
306int snd_soc_component_test_bits(struct snd_soc_component *component,
307				unsigned int reg, unsigned int mask,
308				unsigned int value);
309
310unsigned int snd_soc_component_read_field(struct snd_soc_component *component,
311					  unsigned int reg, unsigned int mask);
312int snd_soc_component_write_field(struct snd_soc_component *component,
313				  unsigned int reg, unsigned int mask,
314				  unsigned int val);
315
316/* component wide operations */
317int snd_soc_component_set_sysclk(struct snd_soc_component *component,
318				 int clk_id, int source,
319				 unsigned int freq, int dir);
320int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id,
321			      int source, unsigned int freq_in,
322			      unsigned int freq_out);
323int snd_soc_component_set_jack(struct snd_soc_component *component,
324			       struct snd_soc_jack *jack, void *data);
325int snd_soc_component_get_jack_type(struct snd_soc_component *component);
326
327void snd_soc_component_seq_notifier(struct snd_soc_component *component,
328				    enum snd_soc_dapm_type type, int subseq);
329int snd_soc_component_stream_event(struct snd_soc_component *component,
330				   int event);
331int snd_soc_component_set_bias_level(struct snd_soc_component *component,
332				     enum snd_soc_bias_level level);
333
334void snd_soc_component_setup_regmap(struct snd_soc_component *component);
335#ifdef CONFIG_REGMAP
336void snd_soc_component_init_regmap(struct snd_soc_component *component,
337				   struct regmap *regmap);
338void snd_soc_component_exit_regmap(struct snd_soc_component *component);
339#endif
340
341#define snd_soc_component_module_get_when_probe(component)\
342	snd_soc_component_module_get(component, NULL, 0)
343#define snd_soc_component_module_get_when_open(component, substream)	\
344	snd_soc_component_module_get(component, substream, 1)
345int snd_soc_component_module_get(struct snd_soc_component *component,
346				 void *mark, int upon_open);
347#define snd_soc_component_module_put_when_remove(component)	\
348	snd_soc_component_module_put(component, NULL, 0, 0)
349#define snd_soc_component_module_put_when_close(component, substream, rollback) \
350	snd_soc_component_module_put(component, substream, 1, rollback)
351void snd_soc_component_module_put(struct snd_soc_component *component,
352				  void *mark, int upon_open, int rollback);
353
354static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c,
355						 void *data)
356{
357	dev_set_drvdata(c->dev, data);
358}
359
360static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c)
361{
362	return dev_get_drvdata(c->dev);
363}
364
365static inline unsigned int
366snd_soc_component_active(struct snd_soc_component *component)
367{
368	return component->active;
369}
370
371/* component pin */
372int snd_soc_component_enable_pin(struct snd_soc_component *component,
373				 const char *pin);
374int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component,
375					  const char *pin);
376int snd_soc_component_disable_pin(struct snd_soc_component *component,
377				  const char *pin);
378int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component,
379					   const char *pin);
380int snd_soc_component_nc_pin(struct snd_soc_component *component,
381			     const char *pin);
382int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component,
383				      const char *pin);
384int snd_soc_component_get_pin_status(struct snd_soc_component *component,
385				     const char *pin);
386int snd_soc_component_force_enable_pin(struct snd_soc_component *component,
387				       const char *pin);
388int snd_soc_component_force_enable_pin_unlocked(
389	struct snd_soc_component *component,
390	const char *pin);
391
392/* component controls */
393struct snd_kcontrol *snd_soc_component_get_kcontrol(struct snd_soc_component *component,
394						    const char * const ctl);
395int snd_soc_component_notify_control(struct snd_soc_component *component,
396				     const char * const ctl);
397
398/* component driver ops */
399int snd_soc_component_open(struct snd_soc_component *component,
400			   struct snd_pcm_substream *substream);
401int snd_soc_component_close(struct snd_soc_component *component,
402			    struct snd_pcm_substream *substream,
403			    int rollback);
404void snd_soc_component_suspend(struct snd_soc_component *component);
405void snd_soc_component_resume(struct snd_soc_component *component);
406int snd_soc_component_is_suspended(struct snd_soc_component *component);
407int snd_soc_component_probe(struct snd_soc_component *component);
408void snd_soc_component_remove(struct snd_soc_component *component);
409int snd_soc_component_of_xlate_dai_id(struct snd_soc_component *component,
410				      struct device_node *ep);
411int snd_soc_component_of_xlate_dai_name(struct snd_soc_component *component,
412					const struct of_phandle_args *args,
413					const char **dai_name);
414int snd_soc_component_compr_open(struct snd_soc_component *component,
415				 struct snd_compr_stream *cstream);
416void snd_soc_component_compr_free(struct snd_soc_component *component,
417				  struct snd_compr_stream *cstream,
418				  int rollback);
419int snd_soc_component_compr_trigger(struct snd_compr_stream *cstream, int cmd);
420int snd_soc_component_compr_set_params(struct snd_compr_stream *cstream,
421				       struct snd_compr_params *params);
422int snd_soc_component_compr_get_params(struct snd_compr_stream *cstream,
423				       struct snd_codec *params);
424int snd_soc_component_compr_get_caps(struct snd_compr_stream *cstream,
425				     struct snd_compr_caps *caps);
426int snd_soc_component_compr_get_codec_caps(struct snd_compr_stream *cstream,
427					   struct snd_compr_codec_caps *codec);
428int snd_soc_component_compr_ack(struct snd_compr_stream *cstream, size_t bytes);
429int snd_soc_component_compr_pointer(struct snd_compr_stream *cstream,
430				    struct snd_compr_tstamp64 *tstamp);
431int snd_soc_component_compr_copy(struct snd_compr_stream *cstream,
432				 char __user *buf, size_t count);
433int snd_soc_component_compr_set_metadata(struct snd_compr_stream *cstream,
434					 struct snd_compr_metadata *metadata);
435int snd_soc_component_compr_get_metadata(struct snd_compr_stream *cstream,
436					 struct snd_compr_metadata *metadata);
437
438int snd_soc_pcm_component_pointer(struct snd_pcm_substream *substream);
439int snd_soc_pcm_component_ioctl(struct snd_pcm_substream *substream,
440				unsigned int cmd, void *arg);
441int snd_soc_pcm_component_sync_stop(struct snd_pcm_substream *substream);
442int snd_soc_pcm_component_copy(struct snd_pcm_substream *substream,
443			       int channel, unsigned long pos,
444			       struct iov_iter *iter, unsigned long bytes);
445struct page *snd_soc_pcm_component_page(struct snd_pcm_substream *substream,
446					unsigned long offset);
447int snd_soc_pcm_component_mmap(struct snd_pcm_substream *substream,
448			       struct vm_area_struct *vma);
449int snd_soc_pcm_component_new(struct snd_soc_pcm_runtime *rtd);
450void snd_soc_pcm_component_free(struct snd_soc_pcm_runtime *rtd);
451int snd_soc_pcm_component_prepare(struct snd_pcm_substream *substream);
452int snd_soc_pcm_component_hw_params(struct snd_pcm_substream *substream,
453				    struct snd_pcm_hw_params *params);
454void snd_soc_pcm_component_hw_free(struct snd_pcm_substream *substream,
455				   int rollback);
456int snd_soc_pcm_component_trigger(struct snd_pcm_substream *substream,
457				  int cmd, int rollback);
458int snd_soc_pcm_component_pm_runtime_get(struct snd_soc_pcm_runtime *rtd,
459					 void *stream);
460void snd_soc_pcm_component_pm_runtime_put(struct snd_soc_pcm_runtime *rtd,
461					  void *stream, int rollback);
462int snd_soc_pcm_component_ack(struct snd_pcm_substream *substream);
463void snd_soc_pcm_component_delay(struct snd_pcm_substream *substream,
464				 snd_pcm_sframes_t *cpu_delay, snd_pcm_sframes_t *codec_delay);
465
466#endif /* __SOC_COMPONENT_H */
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