1 /* SPDX-License-Identifier: GPL-2.0
5 * Copyright (c) 2019 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
7 #ifndef __SOC_COMPONENT_H
8 #define __SOC_COMPONENT_H
10 #include <sound/soc.h>
13 * Component probe and remove ordering levels for components with runtime
16 #define SND_SOC_COMP_ORDER_FIRST -2
17 #define SND_SOC_COMP_ORDER_EARLY -1
18 #define SND_SOC_COMP_ORDER_NORMAL 0
19 #define SND_SOC_COMP_ORDER_LATE 1
20 #define SND_SOC_COMP_ORDER_LAST 2
22 #define for_each_comp_order(order) \
23 for (order = SND_SOC_COMP_ORDER_FIRST; \
24 order <= SND_SOC_COMP_ORDER_LAST; \
27 /* component interface */
28 struct snd_soc_component_driver {
31 /* Default control and setup, added after probe() is run */
32 const struct snd_kcontrol_new *controls;
33 unsigned int num_controls;
34 const struct snd_soc_dapm_widget *dapm_widgets;
35 unsigned int num_dapm_widgets;
36 const struct snd_soc_dapm_route *dapm_routes;
37 unsigned int num_dapm_routes;
39 int (*probe)(struct snd_soc_component *component);
40 void (*remove)(struct snd_soc_component *component);
41 int (*suspend)(struct snd_soc_component *component);
42 int (*resume)(struct snd_soc_component *component);
44 unsigned int (*read)(struct snd_soc_component *component,
46 int (*write)(struct snd_soc_component *component,
47 unsigned int reg, unsigned int val);
49 /* pcm creation and destruction */
50 int (*pcm_construct)(struct snd_soc_component *component,
51 struct snd_soc_pcm_runtime *rtd);
52 void (*pcm_destruct)(struct snd_soc_component *component,
55 /* component wide operations */
56 int (*set_sysclk)(struct snd_soc_component *component,
57 int clk_id, int source, unsigned int freq, int dir);
58 int (*set_pll)(struct snd_soc_component *component, int pll_id,
59 int source, unsigned int freq_in, unsigned int freq_out);
60 int (*set_jack)(struct snd_soc_component *component,
61 struct snd_soc_jack *jack, void *data);
64 int (*of_xlate_dai_name)(struct snd_soc_component *component,
65 struct of_phandle_args *args,
66 const char **dai_name);
67 int (*of_xlate_dai_id)(struct snd_soc_component *comment,
68 struct device_node *endpoint);
69 void (*seq_notifier)(struct snd_soc_component *component,
70 enum snd_soc_dapm_type type, int subseq);
71 int (*stream_event)(struct snd_soc_component *component, int event);
72 int (*set_bias_level)(struct snd_soc_component *component,
73 enum snd_soc_bias_level level);
75 int (*open)(struct snd_soc_component *component,
76 struct snd_pcm_substream *substream);
77 int (*close)(struct snd_soc_component *component,
78 struct snd_pcm_substream *substream);
79 int (*ioctl)(struct snd_soc_component *component,
80 struct snd_pcm_substream *substream,
81 unsigned int cmd, void *arg);
82 int (*hw_params)(struct snd_soc_component *component,
83 struct snd_pcm_substream *substream,
84 struct snd_pcm_hw_params *params);
85 int (*hw_free)(struct snd_soc_component *component,
86 struct snd_pcm_substream *substream);
87 int (*prepare)(struct snd_soc_component *component,
88 struct snd_pcm_substream *substream);
89 int (*trigger)(struct snd_soc_component *component,
90 struct snd_pcm_substream *substream, int cmd);
91 snd_pcm_uframes_t (*pointer)(struct snd_soc_component *component,
92 struct snd_pcm_substream *substream);
93 int (*get_time_info)(struct snd_soc_component *component,
94 struct snd_pcm_substream *substream, struct timespec *system_ts,
95 struct timespec *audio_ts,
96 struct snd_pcm_audio_tstamp_config *audio_tstamp_config,
97 struct snd_pcm_audio_tstamp_report *audio_tstamp_report);
98 int (*copy_user)(struct snd_soc_component *component,
99 struct snd_pcm_substream *substream, int channel,
100 unsigned long pos, void __user *buf,
101 unsigned long bytes);
102 struct page *(*page)(struct snd_soc_component *component,
103 struct snd_pcm_substream *substream,
104 unsigned long offset);
105 int (*mmap)(struct snd_soc_component *component,
106 struct snd_pcm_substream *substream,
107 struct vm_area_struct *vma);
109 const struct snd_compr_ops *compr_ops;
111 /* probe ordering - for components with runtime dependencies */
116 * signal if the module handling the component should not be removed
117 * if a pcm is open. Setting this would prevent the module
118 * refcount being incremented in probe() but allow it be incremented
119 * when a pcm is opened and decremented when it is closed.
121 unsigned int module_get_upon_open:1;
124 unsigned int idle_bias_on:1;
125 unsigned int suspend_bias_off:1;
126 unsigned int use_pmdown_time:1; /* care pmdown_time at stop */
127 unsigned int endianness:1;
128 unsigned int non_legacy_dai_naming:1;
130 /* this component uses topology and ignore machine driver FEs */
131 const char *ignore_machine;
132 const char *topology_name_prefix;
133 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
134 struct snd_pcm_hw_params *params);
135 bool use_dai_pcm_id; /* use DAI link PCM ID as PCM device number */
136 int be_pcm_base; /* base device ID for all BE PCMs */
139 struct snd_soc_component {
142 const char *name_prefix;
144 struct snd_soc_card *card;
148 unsigned int suspended:1; /* is in suspend PM state */
150 struct list_head list;
151 struct list_head card_aux_list; /* for auxiliary bound components */
152 struct list_head card_list;
154 const struct snd_soc_component_driver *driver;
156 struct list_head dai_list;
159 struct regmap *regmap;
162 struct mutex io_mutex;
164 /* attached dynamic objects */
165 struct list_head dobj_list;
168 * DO NOT use any of the fields below in drivers, they are temporary and
169 * are going to be removed again soon. If you use them in driver code
170 * the driver will be marked as BROKEN when these fields are removed.
173 /* Don't use these, use snd_soc_component_get_dapm() */
174 struct snd_soc_dapm_context dapm;
176 /* machine specific init */
177 int (*init)(struct snd_soc_component *component);
179 #ifdef CONFIG_DEBUG_FS
180 struct dentry *debugfs_root;
181 const char *debugfs_prefix;
185 #define for_each_component_dais(component, dai)\
186 list_for_each_entry(dai, &(component)->dai_list, list)
187 #define for_each_component_dais_safe(component, dai, _dai)\
188 list_for_each_entry_safe(dai, _dai, &(component)->dai_list, list)
191 * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is
193 * @dapm: The DAPM context to cast to the component
195 * This function must only be used on DAPM contexts that are known to be part of
196 * a component (e.g. in a component driver). Otherwise the behavior is
199 static inline struct snd_soc_component *snd_soc_dapm_to_component(
200 struct snd_soc_dapm_context *dapm)
202 return container_of(dapm, struct snd_soc_component, dapm);
206 * snd_soc_component_get_dapm() - Returns the DAPM context associated with a
208 * @component: The component for which to get the DAPM context
210 static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm(
211 struct snd_soc_component *component)
213 return &component->dapm;
217 * snd_soc_component_init_bias_level() - Initialize COMPONENT DAPM bias level
218 * @component: The COMPONENT for which to initialize the DAPM bias level
219 * @level: The DAPM level to initialize to
221 * Initializes the COMPONENT DAPM bias level. See snd_soc_dapm_init_bias_level()
224 snd_soc_component_init_bias_level(struct snd_soc_component *component,
225 enum snd_soc_bias_level level)
227 snd_soc_dapm_init_bias_level(
228 snd_soc_component_get_dapm(component), level);
232 * snd_soc_component_get_bias_level() - Get current COMPONENT DAPM bias level
233 * @component: The COMPONENT for which to get the DAPM bias level
235 * Returns: The current DAPM bias level of the COMPONENT.
237 static inline enum snd_soc_bias_level
238 snd_soc_component_get_bias_level(struct snd_soc_component *component)
240 return snd_soc_dapm_get_bias_level(
241 snd_soc_component_get_dapm(component));
245 * snd_soc_component_force_bias_level() - Set the COMPONENT DAPM bias level
246 * @component: The COMPONENT for which to set the level
247 * @level: The level to set to
249 * Forces the COMPONENT bias level to a specific state. See
250 * snd_soc_dapm_force_bias_level().
253 snd_soc_component_force_bias_level(struct snd_soc_component *component,
254 enum snd_soc_bias_level level)
256 return snd_soc_dapm_force_bias_level(
257 snd_soc_component_get_dapm(component),
262 * snd_soc_dapm_kcontrol_component() - Returns the component associated to a
264 * @kcontrol: The kcontrol
266 * This function must only be used on DAPM contexts that are known to be part of
267 * a COMPONENT (e.g. in a COMPONENT driver). Otherwise the behavior is undefined
269 static inline struct snd_soc_component *snd_soc_dapm_kcontrol_component(
270 struct snd_kcontrol *kcontrol)
272 return snd_soc_dapm_to_component(snd_soc_dapm_kcontrol_dapm(kcontrol));
276 * snd_soc_component_cache_sync() - Sync the register cache with the hardware
277 * @component: COMPONENT to sync
279 * Note: This function will call regcache_sync()
281 static inline int snd_soc_component_cache_sync(
282 struct snd_soc_component *component)
284 return regcache_sync(component->regmap);
288 int snd_soc_component_read(struct snd_soc_component *component,
289 unsigned int reg, unsigned int *val);
290 unsigned int snd_soc_component_read32(struct snd_soc_component *component,
292 int snd_soc_component_write(struct snd_soc_component *component,
293 unsigned int reg, unsigned int val);
294 int snd_soc_component_update_bits(struct snd_soc_component *component,
295 unsigned int reg, unsigned int mask,
297 int snd_soc_component_update_bits_async(struct snd_soc_component *component,
298 unsigned int reg, unsigned int mask,
300 void snd_soc_component_async_complete(struct snd_soc_component *component);
301 int snd_soc_component_test_bits(struct snd_soc_component *component,
302 unsigned int reg, unsigned int mask,
305 /* component wide operations */
306 int snd_soc_component_set_sysclk(struct snd_soc_component *component,
307 int clk_id, int source,
308 unsigned int freq, int dir);
309 int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id,
310 int source, unsigned int freq_in,
311 unsigned int freq_out);
312 int snd_soc_component_set_jack(struct snd_soc_component *component,
313 struct snd_soc_jack *jack, void *data);
315 void snd_soc_component_seq_notifier(struct snd_soc_component *component,
316 enum snd_soc_dapm_type type, int subseq);
317 int snd_soc_component_stream_event(struct snd_soc_component *component,
319 int snd_soc_component_set_bias_level(struct snd_soc_component *component,
320 enum snd_soc_bias_level level);
323 void snd_soc_component_init_regmap(struct snd_soc_component *component,
324 struct regmap *regmap);
325 void snd_soc_component_exit_regmap(struct snd_soc_component *component);
328 #define snd_soc_component_module_get_when_probe(component)\
329 snd_soc_component_module_get(component, 0)
330 #define snd_soc_component_module_get_when_open(component) \
331 snd_soc_component_module_get(component, 1)
332 int snd_soc_component_module_get(struct snd_soc_component *component,
334 #define snd_soc_component_module_put_when_remove(component) \
335 snd_soc_component_module_put(component, 0)
336 #define snd_soc_component_module_put_when_close(component) \
337 snd_soc_component_module_put(component, 1)
338 void snd_soc_component_module_put(struct snd_soc_component *component,
341 static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c,
344 dev_set_drvdata(c->dev, data);
347 static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c)
349 return dev_get_drvdata(c->dev);
352 static inline bool snd_soc_component_is_active(
353 struct snd_soc_component *component)
355 return component->active != 0;
359 int snd_soc_component_enable_pin(struct snd_soc_component *component,
361 int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component,
363 int snd_soc_component_disable_pin(struct snd_soc_component *component,
365 int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component,
367 int snd_soc_component_nc_pin(struct snd_soc_component *component,
369 int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component,
371 int snd_soc_component_get_pin_status(struct snd_soc_component *component,
373 int snd_soc_component_force_enable_pin(struct snd_soc_component *component,
375 int snd_soc_component_force_enable_pin_unlocked(
376 struct snd_soc_component *component,
379 /* component driver ops */
380 int snd_soc_component_open(struct snd_soc_component *component,
381 struct snd_pcm_substream *substream);
382 int snd_soc_component_close(struct snd_soc_component *component,
383 struct snd_pcm_substream *substream);
384 int snd_soc_component_prepare(struct snd_soc_component *component,
385 struct snd_pcm_substream *substream);
386 int snd_soc_component_hw_params(struct snd_soc_component *component,
387 struct snd_pcm_substream *substream,
388 struct snd_pcm_hw_params *params);
389 int snd_soc_component_hw_free(struct snd_soc_component *component,
390 struct snd_pcm_substream *substream);
391 int snd_soc_component_trigger(struct snd_soc_component *component,
392 struct snd_pcm_substream *substream,
394 void snd_soc_component_suspend(struct snd_soc_component *component);
395 void snd_soc_component_resume(struct snd_soc_component *component);
396 int snd_soc_component_is_suspended(struct snd_soc_component *component);
397 int snd_soc_component_probe(struct snd_soc_component *component);
398 void snd_soc_component_remove(struct snd_soc_component *component);
399 int snd_soc_component_of_xlate_dai_id(struct snd_soc_component *component,
400 struct device_node *ep);
401 int snd_soc_component_of_xlate_dai_name(struct snd_soc_component *component,
402 struct of_phandle_args *args,
403 const char **dai_name);
405 int snd_soc_pcm_component_pointer(struct snd_pcm_substream *substream);
406 int snd_soc_pcm_component_ioctl(struct snd_pcm_substream *substream,
407 unsigned int cmd, void *arg);
408 int snd_soc_pcm_component_copy_user(struct snd_pcm_substream *substream,
409 int channel, unsigned long pos,
410 void __user *buf, unsigned long bytes);
411 struct page *snd_soc_pcm_component_page(struct snd_pcm_substream *substream,
412 unsigned long offset);
413 int snd_soc_pcm_component_mmap(struct snd_pcm_substream *substream,
414 struct vm_area_struct *vma);
415 int snd_soc_pcm_component_new(struct snd_pcm *pcm);
416 void snd_soc_pcm_component_free(struct snd_pcm *pcm);
418 #endif /* __SOC_COMPONENT_H */