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 snd_pcm_sframes_t (*delay)(struct snd_soc_component *component, 152 struct snd_pcm_substream *substream); 153 154 const struct snd_compress_ops *compress_ops; 155 156 /* probe ordering - for components with runtime dependencies */ 157 int probe_order; 158 int remove_order; 159 160 /* 161 * signal if the module handling the component should not be removed 162 * if a pcm is open. Setting this would prevent the module 163 * refcount being incremented in probe() but allow it be incremented 164 * when a pcm is opened and decremented when it is closed. 165 */ 166 unsigned int module_get_upon_open:1; 167 168 /* bits */ 169 unsigned int idle_bias_on:1; 170 unsigned int suspend_bias_off:1; 171 unsigned int use_pmdown_time:1; /* care pmdown_time at stop */ 172 /* 173 * Indicates that the component does not care about the endianness of 174 * PCM audio data and the core will ensure that both LE and BE variants 175 * of each used format are present. Typically this is because the 176 * component sits behind a bus that abstracts away the endian of the 177 * original data, ie. one for which the transmission endian is defined 178 * (I2S/SLIMbus/SoundWire), or the concept of endian doesn't exist (PDM, 179 * analogue). 180 */ 181 unsigned int endianness:1; 182 unsigned int legacy_dai_naming:1; 183 184 /* this component uses topology and ignore machine driver FEs */ 185 const char *ignore_machine; 186 const char *topology_name_prefix; 187 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd, 188 struct snd_pcm_hw_params *params); 189 bool use_dai_pcm_id; /* use DAI link PCM ID as PCM device number */ 190 int be_pcm_base; /* base device ID for all BE PCMs */ 191 192 #ifdef CONFIG_DEBUG_FS 193 const char *debugfs_prefix; 194 #endif 195 }; 196 197 struct snd_soc_component { 198 const char *name; 199 int id; 200 const char *name_prefix; 201 struct device *dev; 202 struct snd_soc_card *card; 203 204 unsigned int active; 205 206 unsigned int suspended:1; /* is in suspend PM state */ 207 208 struct list_head list; 209 struct list_head card_aux_list; /* for auxiliary bound components */ 210 struct list_head card_list; 211 212 const struct snd_soc_component_driver *driver; 213 214 struct list_head dai_list; 215 int num_dai; 216 217 struct regmap *regmap; 218 int val_bytes; 219 220 struct mutex io_mutex; 221 222 /* attached dynamic objects */ 223 struct list_head dobj_list; 224 225 /* 226 * DO NOT use any of the fields below in drivers, they are temporary and 227 * are going to be removed again soon. If you use them in driver code 228 * the driver will be marked as BROKEN when these fields are removed. 229 */ 230 231 /* Don't use these, use snd_soc_component_get_dapm() */ 232 struct snd_soc_dapm_context dapm; 233 234 /* machine specific init */ 235 int (*init)(struct snd_soc_component *component); 236 237 /* function mark */ 238 void *mark_module; 239 struct snd_pcm_substream *mark_open; 240 struct snd_pcm_substream *mark_hw_params; 241 struct snd_pcm_substream *mark_trigger; 242 struct snd_compr_stream *mark_compr_open; 243 void *mark_pm; 244 245 struct dentry *debugfs_root; 246 const char *debugfs_prefix; 247 }; 248 249 #define for_each_component_dais(component, dai)\ 250 list_for_each_entry(dai, &(component)->dai_list, list) 251 #define for_each_component_dais_safe(component, dai, _dai)\ 252 list_for_each_entry_safe(dai, _dai, &(component)->dai_list, list) 253 254 /** 255 * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is 256 * embedded in 257 * @dapm: The DAPM context to cast to the component 258 * 259 * This function must only be used on DAPM contexts that are known to be part of 260 * a component (e.g. in a component driver). Otherwise the behavior is 261 * undefined. 262 */ 263 static inline struct snd_soc_component *snd_soc_dapm_to_component( 264 struct snd_soc_dapm_context *dapm) 265 { 266 return container_of(dapm, struct snd_soc_component, dapm); 267 } 268 269 /** 270 * snd_soc_component_get_dapm() - Returns the DAPM context associated with a 271 * component 272 * @component: The component for which to get the DAPM context 273 */ 274 static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm( 275 struct snd_soc_component *component) 276 { 277 return &component->dapm; 278 } 279 280 /** 281 * snd_soc_component_init_bias_level() - Initialize COMPONENT DAPM bias level 282 * @component: The COMPONENT for which to initialize the DAPM bias level 283 * @level: The DAPM level to initialize to 284 * 285 * Initializes the COMPONENT DAPM bias level. See snd_soc_dapm_init_bias_level() 286 */ 287 static inline void 288 snd_soc_component_init_bias_level(struct snd_soc_component *component, 289 enum snd_soc_bias_level level) 290 { 291 snd_soc_dapm_init_bias_level( 292 snd_soc_component_get_dapm(component), level); 293 } 294 295 /** 296 * snd_soc_component_get_bias_level() - Get current COMPONENT DAPM bias level 297 * @component: The COMPONENT for which to get the DAPM bias level 298 * 299 * Returns: The current DAPM bias level of the COMPONENT. 300 */ 301 static inline enum snd_soc_bias_level 302 snd_soc_component_get_bias_level(struct snd_soc_component *component) 303 { 304 return snd_soc_dapm_get_bias_level( 305 snd_soc_component_get_dapm(component)); 306 } 307 308 /** 309 * snd_soc_component_force_bias_level() - Set the COMPONENT DAPM bias level 310 * @component: The COMPONENT for which to set the level 311 * @level: The level to set to 312 * 313 * Forces the COMPONENT bias level to a specific state. See 314 * snd_soc_dapm_force_bias_level(). 315 */ 316 static inline int 317 snd_soc_component_force_bias_level(struct snd_soc_component *component, 318 enum snd_soc_bias_level level) 319 { 320 return snd_soc_dapm_force_bias_level( 321 snd_soc_component_get_dapm(component), 322 level); 323 } 324 325 /** 326 * snd_soc_dapm_kcontrol_component() - Returns the component associated to a 327 * kcontrol 328 * @kcontrol: The kcontrol 329 * 330 * This function must only be used on DAPM contexts that are known to be part of 331 * a COMPONENT (e.g. in a COMPONENT driver). Otherwise the behavior is undefined 332 */ 333 static inline struct snd_soc_component *snd_soc_dapm_kcontrol_component( 334 struct snd_kcontrol *kcontrol) 335 { 336 return snd_soc_dapm_to_component(snd_soc_dapm_kcontrol_dapm(kcontrol)); 337 } 338 339 /** 340 * snd_soc_component_cache_sync() - Sync the register cache with the hardware 341 * @component: COMPONENT to sync 342 * 343 * Note: This function will call regcache_sync() 344 */ 345 static inline int snd_soc_component_cache_sync( 346 struct snd_soc_component *component) 347 { 348 return regcache_sync(component->regmap); 349 } 350 351 void snd_soc_component_set_aux(struct snd_soc_component *component, 352 struct snd_soc_aux_dev *aux); 353 int snd_soc_component_init(struct snd_soc_component *component); 354 int snd_soc_component_is_dummy(struct snd_soc_component *component); 355 356 /* component IO */ 357 unsigned int snd_soc_component_read(struct snd_soc_component *component, 358 unsigned int reg); 359 int snd_soc_component_write(struct snd_soc_component *component, 360 unsigned int reg, unsigned int val); 361 int snd_soc_component_update_bits(struct snd_soc_component *component, 362 unsigned int reg, unsigned int mask, 363 unsigned int val); 364 int snd_soc_component_update_bits_async(struct snd_soc_component *component, 365 unsigned int reg, unsigned int mask, 366 unsigned int val); 367 void snd_soc_component_async_complete(struct snd_soc_component *component); 368 int snd_soc_component_test_bits(struct snd_soc_component *component, 369 unsigned int reg, unsigned int mask, 370 unsigned int value); 371 372 unsigned int snd_soc_component_read_field(struct snd_soc_component *component, 373 unsigned int reg, unsigned int mask); 374 int snd_soc_component_write_field(struct snd_soc_component *component, 375 unsigned int reg, unsigned int mask, 376 unsigned int val); 377 378 /* component wide operations */ 379 int snd_soc_component_set_sysclk(struct snd_soc_component *component, 380 int clk_id, int source, 381 unsigned int freq, int dir); 382 int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id, 383 int source, unsigned int freq_in, 384 unsigned int freq_out); 385 int snd_soc_component_set_jack(struct snd_soc_component *component, 386 struct snd_soc_jack *jack, void *data); 387 388 void snd_soc_component_seq_notifier(struct snd_soc_component *component, 389 enum snd_soc_dapm_type type, int subseq); 390 int snd_soc_component_stream_event(struct snd_soc_component *component, 391 int event); 392 int snd_soc_component_set_bias_level(struct snd_soc_component *component, 393 enum snd_soc_bias_level level); 394 395 void snd_soc_component_setup_regmap(struct snd_soc_component *component); 396 #ifdef CONFIG_REGMAP 397 void snd_soc_component_init_regmap(struct snd_soc_component *component, 398 struct regmap *regmap); 399 void snd_soc_component_exit_regmap(struct snd_soc_component *component); 400 #endif 401 402 #define snd_soc_component_module_get_when_probe(component)\ 403 snd_soc_component_module_get(component, NULL, 0) 404 #define snd_soc_component_module_get_when_open(component, substream) \ 405 snd_soc_component_module_get(component, substream, 1) 406 int snd_soc_component_module_get(struct snd_soc_component *component, 407 void *mark, int upon_open); 408 #define snd_soc_component_module_put_when_remove(component) \ 409 snd_soc_component_module_put(component, NULL, 0, 0) 410 #define snd_soc_component_module_put_when_close(component, substream, rollback) \ 411 snd_soc_component_module_put(component, substream, 1, rollback) 412 void snd_soc_component_module_put(struct snd_soc_component *component, 413 void *mark, int upon_open, int rollback); 414 415 static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c, 416 void *data) 417 { 418 dev_set_drvdata(c->dev, data); 419 } 420 421 static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c) 422 { 423 return dev_get_drvdata(c->dev); 424 } 425 426 static inline unsigned int 427 snd_soc_component_active(struct snd_soc_component *component) 428 { 429 return component->active; 430 } 431 432 /* component pin */ 433 int snd_soc_component_enable_pin(struct snd_soc_component *component, 434 const char *pin); 435 int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component, 436 const char *pin); 437 int snd_soc_component_disable_pin(struct snd_soc_component *component, 438 const char *pin); 439 int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component, 440 const char *pin); 441 int snd_soc_component_nc_pin(struct snd_soc_component *component, 442 const char *pin); 443 int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component, 444 const char *pin); 445 int snd_soc_component_get_pin_status(struct snd_soc_component *component, 446 const char *pin); 447 int snd_soc_component_force_enable_pin(struct snd_soc_component *component, 448 const char *pin); 449 int snd_soc_component_force_enable_pin_unlocked( 450 struct snd_soc_component *component, 451 const char *pin); 452 453 /* component driver ops */ 454 int snd_soc_component_open(struct snd_soc_component *component, 455 struct snd_pcm_substream *substream); 456 int snd_soc_component_close(struct snd_soc_component *component, 457 struct snd_pcm_substream *substream, 458 int rollback); 459 void snd_soc_component_suspend(struct snd_soc_component *component); 460 void snd_soc_component_resume(struct snd_soc_component *component); 461 int snd_soc_component_is_suspended(struct snd_soc_component *component); 462 int snd_soc_component_probe(struct snd_soc_component *component); 463 void snd_soc_component_remove(struct snd_soc_component *component); 464 int snd_soc_component_of_xlate_dai_id(struct snd_soc_component *component, 465 struct device_node *ep); 466 int snd_soc_component_of_xlate_dai_name(struct snd_soc_component *component, 467 const struct of_phandle_args *args, 468 const char **dai_name); 469 int snd_soc_component_compr_open(struct snd_soc_component *component, 470 struct snd_compr_stream *cstream); 471 void snd_soc_component_compr_free(struct snd_soc_component *component, 472 struct snd_compr_stream *cstream, 473 int rollback); 474 int snd_soc_component_compr_trigger(struct snd_compr_stream *cstream, int cmd); 475 int snd_soc_component_compr_set_params(struct snd_compr_stream *cstream, 476 struct snd_compr_params *params); 477 int snd_soc_component_compr_get_params(struct snd_compr_stream *cstream, 478 struct snd_codec *params); 479 int snd_soc_component_compr_get_caps(struct snd_compr_stream *cstream, 480 struct snd_compr_caps *caps); 481 int snd_soc_component_compr_get_codec_caps(struct snd_compr_stream *cstream, 482 struct snd_compr_codec_caps *codec); 483 int snd_soc_component_compr_ack(struct snd_compr_stream *cstream, size_t bytes); 484 int snd_soc_component_compr_pointer(struct snd_compr_stream *cstream, 485 struct snd_compr_tstamp *tstamp); 486 int snd_soc_component_compr_copy(struct snd_compr_stream *cstream, 487 char __user *buf, size_t count); 488 int snd_soc_component_compr_set_metadata(struct snd_compr_stream *cstream, 489 struct snd_compr_metadata *metadata); 490 int snd_soc_component_compr_get_metadata(struct snd_compr_stream *cstream, 491 struct snd_compr_metadata *metadata); 492 493 int snd_soc_pcm_component_pointer(struct snd_pcm_substream *substream); 494 int snd_soc_pcm_component_ioctl(struct snd_pcm_substream *substream, 495 unsigned int cmd, void *arg); 496 int snd_soc_pcm_component_sync_stop(struct snd_pcm_substream *substream); 497 int snd_soc_pcm_component_copy_user(struct snd_pcm_substream *substream, 498 int channel, unsigned long pos, 499 void __user *buf, unsigned long bytes); 500 struct page *snd_soc_pcm_component_page(struct snd_pcm_substream *substream, 501 unsigned long offset); 502 int snd_soc_pcm_component_mmap(struct snd_pcm_substream *substream, 503 struct vm_area_struct *vma); 504 int snd_soc_pcm_component_new(struct snd_soc_pcm_runtime *rtd); 505 void snd_soc_pcm_component_free(struct snd_soc_pcm_runtime *rtd); 506 int snd_soc_pcm_component_prepare(struct snd_pcm_substream *substream); 507 int snd_soc_pcm_component_hw_params(struct snd_pcm_substream *substream, 508 struct snd_pcm_hw_params *params); 509 void snd_soc_pcm_component_hw_free(struct snd_pcm_substream *substream, 510 int rollback); 511 int snd_soc_pcm_component_trigger(struct snd_pcm_substream *substream, 512 int cmd, int rollback); 513 int snd_soc_pcm_component_pm_runtime_get(struct snd_soc_pcm_runtime *rtd, 514 void *stream); 515 void snd_soc_pcm_component_pm_runtime_put(struct snd_soc_pcm_runtime *rtd, 516 void *stream, int rollback); 517 int snd_soc_pcm_component_ack(struct snd_pcm_substream *substream); 518 void snd_soc_pcm_component_delay(struct snd_pcm_substream *substream, 519 snd_pcm_sframes_t *cpu_delay, snd_pcm_sframes_t *codec_delay); 520 521 #endif /* __SOC_COMPONENT_H */ 522