include/sound/soc-component.h

   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 */
  29 struct 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_tstamp *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
  67 struct 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
 102         /* DT */
 103         int (*of_xlate_dai_name)(struct snd_soc_component *component,
 104                                  const struct of_phandle_args *args,
 105                                  const char **dai_name);
 106         int (*of_xlate_dai_id)(struct snd_soc_component *comment,
 107                                struct device_node *endpoint);
 108         void (*seq_notifier)(struct snd_soc_component *component,
 109                              enum snd_soc_dapm_type type, int subseq);
 110         int (*stream_event)(struct snd_soc_component *component, int event);
 111         int (*set_bias_level)(struct snd_soc_component *component,
 112                               enum snd_soc_bias_level level);
 113
 114         int (*open)(struct snd_soc_component *component,
 115                     struct snd_pcm_substream *substream);
 116         int (*close)(struct snd_soc_component *component,
 117                      struct snd_pcm_substream *substream);
 118         int (*ioctl)(struct snd_soc_component *component,
 119                      struct snd_pcm_substream *substream,
 120                      unsigned int cmd, void *arg);
 121         int (*hw_params)(struct snd_soc_component *component,
 122                          struct snd_pcm_substream *substream,
 123                          struct snd_pcm_hw_params *params);
 124         int (*hw_free)(struct snd_soc_component *component,
 125                        struct snd_pcm_substream *substream);
 126         int (*prepare)(struct snd_soc_component *component,
 127                        struct snd_pcm_substream *substream);
 128         int (*trigger)(struct snd_soc_component *component,
 129                        struct snd_pcm_substream *substream, int cmd);
 130         int (*sync_stop)(struct snd_soc_component *component,
 131                          struct snd_pcm_substream *substream);
 132         snd_pcm_uframes_t (*pointer)(struct snd_soc_component *component,
 133                                      struct snd_pcm_substream *substream);
 134         int (*get_time_info)(struct snd_soc_component *component,
 135                 struct snd_pcm_substream *substream, struct timespec64 *system_ts,
 136                 struct timespec64 *audio_ts,
 137                 struct snd_pcm_audio_tstamp_config *audio_tstamp_config,
 138                 struct snd_pcm_audio_tstamp_report *audio_tstamp_report);
 139         int (*copy_user)(struct snd_soc_component *component,
 140                          struct snd_pcm_substream *substream, int channel,
 141                          unsigned long pos, void __user *buf,
 142                          unsigned long bytes);
 143         struct page *(*page)(struct snd_soc_component *component,
 144                              struct snd_pcm_substream *substream,
 145                              unsigned long offset);
 146         int (*mmap)(struct snd_soc_component *component,
 147                     struct snd_pcm_substream *substream,
 148                     struct vm_area_struct *vma);
 149         int (*ack)(struct snd_soc_component *component,
 150                    struct snd_pcm_substream *substream);
 151
 152         const struct snd_compress_ops *compress_ops;
 153
 154         /* probe ordering - for components with runtime dependencies */
 155         int probe_order;
 156         int remove_order;
 157
 158         /*
 159          * signal if the module handling the component should not be removed
 160          * if a pcm is open. Setting this would prevent the module
 161          * refcount being incremented in probe() but allow it be incremented
 162          * when a pcm is opened and decremented when it is closed.
 163          */
 164         unsigned int module_get_upon_open:1;
 165
 166         /* bits */
 167         unsigned int idle_bias_on:1;
 168         unsigned int suspend_bias_off:1;
 169         unsigned int use_pmdown_time:1; /* care pmdown_time at stop */
 170         unsigned int endianness:1;
 171         unsigned int non_legacy_dai_naming:1;
 172
 173         /* this component uses topology and ignore machine driver FEs */
 174         const char *ignore_machine;
 175         const char *topology_name_prefix;
 176         int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
 177                                   struct snd_pcm_hw_params *params);
 178         bool use_dai_pcm_id;    /* use DAI link PCM ID as PCM device number */
 179         int be_pcm_base;        /* base device ID for all BE PCMs */
 180 };
 181
 182 struct snd_soc_component {
 183         const char *name;
 184         int id;
 185         const char *name_prefix;
 186         struct device *dev;
 187         struct snd_soc_card *card;
 188
 189         unsigned int active;
 190
 191         unsigned int suspended:1; /* is in suspend PM state */
 192
 193         struct list_head list;
 194         struct list_head card_aux_list; /* for auxiliary bound components */
 195         struct list_head card_list;
 196
 197         const struct snd_soc_component_driver *driver;
 198
 199         struct list_head dai_list;
 200         int num_dai;
 201
 202         struct regmap *regmap;
 203         int val_bytes;
 204
 205         struct mutex io_mutex;
 206
 207         /* attached dynamic objects */
 208         struct list_head dobj_list;
 209
 210         /*
 211          * DO NOT use any of the fields below in drivers, they are temporary and
 212          * are going to be removed again soon. If you use them in driver code
 213          * the driver will be marked as BROKEN when these fields are removed.
 214          */
 215
 216         /* Don't use these, use snd_soc_component_get_dapm() */
 217         struct snd_soc_dapm_context dapm;
 218
 219         /* machine specific init */
 220         int (*init)(struct snd_soc_component *component);
 221
 222         /* function mark */
 223         struct snd_pcm_substream *mark_module;
 224         struct snd_pcm_substream *mark_open;
 225         struct snd_pcm_substream *mark_hw_params;
 226         struct snd_pcm_substream *mark_trigger;
 227         struct snd_compr_stream  *mark_compr_open;
 228         void *mark_pm;
 229
 230 #ifdef CONFIG_DEBUG_FS
 231         struct dentry *debugfs_root;
 232         const char *debugfs_prefix;
 233 #endif
 234 };
 235
 236 #define for_each_component_dais(component, dai)\
 237         list_for_each_entry(dai, &(component)->dai_list, list)
 238 #define for_each_component_dais_safe(component, dai, _dai)\
 239         list_for_each_entry_safe(dai, _dai, &(component)->dai_list, list)
 240
 241 /**
 242  * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is
 243  *  embedded in
 244  * @dapm: The DAPM context to cast to the component
 245  *
 246  * This function must only be used on DAPM contexts that are known to be part of
 247  * a component (e.g. in a component driver). Otherwise the behavior is
 248  * undefined.
 249  */
 250 static inline struct snd_soc_component *snd_soc_dapm_to_component(
 251         struct snd_soc_dapm_context *dapm)
 252 {
 253         return container_of(dapm, struct snd_soc_component, dapm);
 254 }
 255
 256 /**
 257  * snd_soc_component_get_dapm() - Returns the DAPM context associated with a
 258  *  component
 259  * @component: The component for which to get the DAPM context
 260  */
 261 static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm(
 262         struct snd_soc_component *component)
 263 {
 264         return &component->dapm;
 265 }
 266
 267 /**
 268  * snd_soc_component_init_bias_level() - Initialize COMPONENT DAPM bias level
 269  * @component: The COMPONENT for which to initialize the DAPM bias level
 270  * @level: The DAPM level to initialize to
 271  *
 272  * Initializes the COMPONENT DAPM bias level. See snd_soc_dapm_init_bias_level()
 273  */
 274 static inline void
 275 snd_soc_component_init_bias_level(struct snd_soc_component *component,
 276                                   enum snd_soc_bias_level level)
 277 {
 278         snd_soc_dapm_init_bias_level(
 279                 snd_soc_component_get_dapm(component), level);
 280 }
 281
 282 /**
 283  * snd_soc_component_get_bias_level() - Get current COMPONENT DAPM bias level
 284  * @component: The COMPONENT for which to get the DAPM bias level
 285  *
 286  * Returns: The current DAPM bias level of the COMPONENT.
 287  */
 288 static inline enum snd_soc_bias_level
 289 snd_soc_component_get_bias_level(struct snd_soc_component *component)
 290 {
 291         return snd_soc_dapm_get_bias_level(
 292                 snd_soc_component_get_dapm(component));
 293 }
 294
 295 /**
 296  * snd_soc_component_force_bias_level() - Set the COMPONENT DAPM bias level
 297  * @component: The COMPONENT for which to set the level
 298  * @level: The level to set to
 299  *
 300  * Forces the COMPONENT bias level to a specific state. See
 301  * snd_soc_dapm_force_bias_level().
 302  */
 303 static inline int
 304 snd_soc_component_force_bias_level(struct snd_soc_component *component,
 305                                    enum snd_soc_bias_level level)
 306 {
 307         return snd_soc_dapm_force_bias_level(
 308                 snd_soc_component_get_dapm(component),
 309                 level);
 310 }
 311
 312 /**
 313  * snd_soc_dapm_kcontrol_component() - Returns the component associated to a
 314  * kcontrol
 315  * @kcontrol: The kcontrol
 316  *
 317  * This function must only be used on DAPM contexts that are known to be part of
 318  * a COMPONENT (e.g. in a COMPONENT driver). Otherwise the behavior is undefined
 319  */
 320 static inline struct snd_soc_component *snd_soc_dapm_kcontrol_component(
 321         struct snd_kcontrol *kcontrol)
 322 {
 323         return snd_soc_dapm_to_component(snd_soc_dapm_kcontrol_dapm(kcontrol));
 324 }
 325
 326 /**
 327  * snd_soc_component_cache_sync() - Sync the register cache with the hardware
 328  * @component: COMPONENT to sync
 329  *
 330  * Note: This function will call regcache_sync()
 331  */
 332 static inline int snd_soc_component_cache_sync(
 333         struct snd_soc_component *component)
 334 {
 335         return regcache_sync(component->regmap);
 336 }
 337
 338 void snd_soc_component_set_aux(struct snd_soc_component *component,
 339                                struct snd_soc_aux_dev *aux);
 340 int snd_soc_component_init(struct snd_soc_component *component);
 341 int snd_soc_component_is_dummy(struct snd_soc_component *component);
 342
 343 /* component IO */
 344 unsigned int snd_soc_component_read(struct snd_soc_component *component,
 345                                       unsigned int reg);
 346 int snd_soc_component_write(struct snd_soc_component *component,
 347                             unsigned int reg, unsigned int val);
 348 int snd_soc_component_update_bits(struct snd_soc_component *component,
 349                                   unsigned int reg, unsigned int mask,
 350                                   unsigned int val);
 351 int snd_soc_component_update_bits_async(struct snd_soc_component *component,
 352                                         unsigned int reg, unsigned int mask,
 353                                         unsigned int val);
 354 void snd_soc_component_async_complete(struct snd_soc_component *component);
 355 int snd_soc_component_test_bits(struct snd_soc_component *component,
 356                                 unsigned int reg, unsigned int mask,
 357                                 unsigned int value);
 358
 359 unsigned int snd_soc_component_read_field(struct snd_soc_component *component,
 360                                           unsigned int reg, unsigned int mask);
 361 int snd_soc_component_write_field(struct snd_soc_component *component,
 362                                   unsigned int reg, unsigned int mask,
 363                                   unsigned int val);
 364
 365 /* component wide operations */
 366 int snd_soc_component_set_sysclk(struct snd_soc_component *component,
 367                                  int clk_id, int source,
 368                                  unsigned int freq, int dir);
 369 int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id,
 370                               int source, unsigned int freq_in,
 371                               unsigned int freq_out);
 372 int snd_soc_component_set_jack(struct snd_soc_component *component,
 373                                struct snd_soc_jack *jack, void *data);
 374
 375 void snd_soc_component_seq_notifier(struct snd_soc_component *component,
 376                                     enum snd_soc_dapm_type type, int subseq);
 377 int snd_soc_component_stream_event(struct snd_soc_component *component,
 378                                    int event);
 379 int snd_soc_component_set_bias_level(struct snd_soc_component *component,
 380                                      enum snd_soc_bias_level level);
 381
 382 void snd_soc_component_setup_regmap(struct snd_soc_component *component);
 383 #ifdef CONFIG_REGMAP
 384 void snd_soc_component_init_regmap(struct snd_soc_component *component,
 385                                    struct regmap *regmap);
 386 void snd_soc_component_exit_regmap(struct snd_soc_component *component);
 387 #endif
 388
 389 #define snd_soc_component_module_get_when_probe(component)\
 390         snd_soc_component_module_get(component, NULL, 0)
 391 #define snd_soc_component_module_get_when_open(component, substream)    \
 392         snd_soc_component_module_get(component, substream, 1)
 393 int snd_soc_component_module_get(struct snd_soc_component *component,
 394                                  struct snd_pcm_substream *substream,
 395                                  int upon_open);
 396 #define snd_soc_component_module_put_when_remove(component)     \
 397         snd_soc_component_module_put(component, NULL, 0, 0)
 398 #define snd_soc_component_module_put_when_close(component, substream, rollback) \
 399         snd_soc_component_module_put(component, substream, 1, rollback)
 400 void snd_soc_component_module_put(struct snd_soc_component *component,
 401                                   struct snd_pcm_substream *substream,
 402                                   int upon_open, int rollback);
 403
 404 static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c,
 405                                                  void *data)
 406 {
 407         dev_set_drvdata(c->dev, data);
 408 }
 409
 410 static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c)
 411 {
 412         return dev_get_drvdata(c->dev);
 413 }
 414
 415 static inline unsigned int
 416 snd_soc_component_active(struct snd_soc_component *component)
 417 {
 418         return component->active;
 419 }
 420
 421 /* component pin */
 422 int snd_soc_component_enable_pin(struct snd_soc_component *component,
 423                                  const char *pin);
 424 int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component,
 425                                           const char *pin);
 426 int snd_soc_component_disable_pin(struct snd_soc_component *component,
 427                                   const char *pin);
 428 int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component,
 429                                            const char *pin);
 430 int snd_soc_component_nc_pin(struct snd_soc_component *component,
 431                              const char *pin);
 432 int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component,
 433                                       const char *pin);
 434 int snd_soc_component_get_pin_status(struct snd_soc_component *component,
 435                                      const char *pin);
 436 int snd_soc_component_force_enable_pin(struct snd_soc_component *component,
 437                                        const char *pin);
 438 int snd_soc_component_force_enable_pin_unlocked(
 439         struct snd_soc_component *component,
 440         const char *pin);
 441
 442 /* component driver ops */
 443 int snd_soc_component_open(struct snd_soc_component *component,
 444                            struct snd_pcm_substream *substream);
 445 int snd_soc_component_close(struct snd_soc_component *component,
 446                             struct snd_pcm_substream *substream,
 447                             int rollback);
 448 void snd_soc_component_suspend(struct snd_soc_component *component);
 449 void snd_soc_component_resume(struct snd_soc_component *component);
 450 int snd_soc_component_is_suspended(struct snd_soc_component *component);
 451 int snd_soc_component_probe(struct snd_soc_component *component);
 452 void snd_soc_component_remove(struct snd_soc_component *component);
 453 int snd_soc_component_of_xlate_dai_id(struct snd_soc_component *component,
 454                                       struct device_node *ep);
 455 int snd_soc_component_of_xlate_dai_name(struct snd_soc_component *component,
 456                                         const struct of_phandle_args *args,
 457                                         const char **dai_name);
 458 int snd_soc_component_compr_open(struct snd_compr_stream *cstream);
 459 void snd_soc_component_compr_free(struct snd_compr_stream *cstream,
 460                                   int rollback);
 461 int snd_soc_component_compr_trigger(struct snd_compr_stream *cstream, int cmd);
 462 int snd_soc_component_compr_set_params(struct snd_compr_stream *cstream,
 463                                        struct snd_compr_params *params);
 464 int snd_soc_component_compr_get_params(struct snd_compr_stream *cstream,
 465                                        struct snd_codec *params);
 466 int snd_soc_component_compr_get_caps(struct snd_compr_stream *cstream,
 467                                      struct snd_compr_caps *caps);
 468 int snd_soc_component_compr_get_codec_caps(struct snd_compr_stream *cstream,
 469                                            struct snd_compr_codec_caps *codec);
 470 int snd_soc_component_compr_ack(struct snd_compr_stream *cstream, size_t bytes);
 471 int snd_soc_component_compr_pointer(struct snd_compr_stream *cstream,
 472                                     struct snd_compr_tstamp *tstamp);
 473 int snd_soc_component_compr_copy(struct snd_compr_stream *cstream,
 474                                  char __user *buf, size_t count);
 475 int snd_soc_component_compr_set_metadata(struct snd_compr_stream *cstream,
 476                                          struct snd_compr_metadata *metadata);
 477 int snd_soc_component_compr_get_metadata(struct snd_compr_stream *cstream,
 478                                          struct snd_compr_metadata *metadata);
 479
 480 int snd_soc_pcm_component_pointer(struct snd_pcm_substream *substream);
 481 int snd_soc_pcm_component_ioctl(struct snd_pcm_substream *substream,
 482                                 unsigned int cmd, void *arg);
 483 int snd_soc_pcm_component_sync_stop(struct snd_pcm_substream *substream);
 484 int snd_soc_pcm_component_copy_user(struct snd_pcm_substream *substream,
 485                                     int channel, unsigned long pos,
 486                                     void __user *buf, unsigned long bytes);
 487 struct page *snd_soc_pcm_component_page(struct snd_pcm_substream *substream,
 488                                         unsigned long offset);
 489 int snd_soc_pcm_component_mmap(struct snd_pcm_substream *substream,
 490                                struct vm_area_struct *vma);
 491 int snd_soc_pcm_component_new(struct snd_soc_pcm_runtime *rtd);
 492 void snd_soc_pcm_component_free(struct snd_soc_pcm_runtime *rtd);
 493 int snd_soc_pcm_component_prepare(struct snd_pcm_substream *substream);
 494 int snd_soc_pcm_component_hw_params(struct snd_pcm_substream *substream,
 495                                     struct snd_pcm_hw_params *params);
 496 void snd_soc_pcm_component_hw_free(struct snd_pcm_substream *substream,
 497                                    int rollback);
 498 int snd_soc_pcm_component_trigger(struct snd_pcm_substream *substream,
 499                                   int cmd, int rollback);
 500 int snd_soc_pcm_component_pm_runtime_get(struct snd_soc_pcm_runtime *rtd,
 501                                          void *stream);
 502 void snd_soc_pcm_component_pm_runtime_put(struct snd_soc_pcm_runtime *rtd,
 503                                           void *stream, int rollback);
 504 int snd_soc_pcm_component_ack(struct snd_pcm_substream *substream);
 505
 506 #endif /* __SOC_COMPONENT_H */