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 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_user)(struct snd_soc_component *component, 141 struct snd_pcm_substream *substream, int channel, 142 unsigned long pos, void __user *buf, 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 unsigned int start_dma_last; 203 204 #ifdef CONFIG_DEBUG_FS 205 const char *debugfs_prefix; 206 #endif 207 }; 208 209 struct snd_soc_component { 210 const char *name; 211 int id; 212 const char *name_prefix; 213 struct device *dev; 214 struct snd_soc_card *card; 215 216 unsigned int active; 217 218 unsigned int suspended:1; /* is in suspend PM state */ 219 220 struct list_head list; 221 struct list_head card_aux_list; /* for auxiliary bound components */ 222 struct list_head card_list; 223 224 const struct snd_soc_component_driver *driver; 225 226 struct list_head dai_list; 227 int num_dai; 228 229 struct regmap *regmap; 230 int val_bytes; 231 232 struct mutex io_mutex; 233 234 /* attached dynamic objects */ 235 struct list_head dobj_list; 236 237 /* 238 * DO NOT use any of the fields below in drivers, they are temporary and 239 * are going to be removed again soon. If you use them in driver code 240 * the driver will be marked as BROKEN when these fields are removed. 241 */ 242 243 /* Don't use these, use snd_soc_component_get_dapm() */ 244 struct snd_soc_dapm_context dapm; 245 246 /* machine specific init */ 247 int (*init)(struct snd_soc_component *component); 248 249 /* function mark */ 250 void *mark_module; 251 struct snd_pcm_substream *mark_open; 252 struct snd_pcm_substream *mark_hw_params; 253 struct snd_pcm_substream *mark_trigger; 254 struct snd_compr_stream *mark_compr_open; 255 void *mark_pm; 256 257 struct dentry *debugfs_root; 258 const char *debugfs_prefix; 259 }; 260 261 #define for_each_component_dais(component, dai)\ 262 list_for_each_entry(dai, &(component)->dai_list, list) 263 #define for_each_component_dais_safe(component, dai, _dai)\ 264 list_for_each_entry_safe(dai, _dai, &(component)->dai_list, list) 265 266 /** 267 * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is 268 * embedded in 269 * @dapm: The DAPM context to cast to the component 270 * 271 * This function must only be used on DAPM contexts that are known to be part of 272 * a component (e.g. in a component driver). Otherwise the behavior is 273 * undefined. 274 */ 275 static inline struct snd_soc_component *snd_soc_dapm_to_component( 276 struct snd_soc_dapm_context *dapm) 277 { 278 return container_of(dapm, struct snd_soc_component, dapm); 279 } 280 281 /** 282 * snd_soc_component_get_dapm() - Returns the DAPM context associated with a 283 * component 284 * @component: The component for which to get the DAPM context 285 */ 286 static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm( 287 struct snd_soc_component *component) 288 { 289 return &component->dapm; 290 } 291 292 /** 293 * snd_soc_component_init_bias_level() - Initialize COMPONENT DAPM bias level 294 * @component: The COMPONENT for which to initialize the DAPM bias level 295 * @level: The DAPM level to initialize to 296 * 297 * Initializes the COMPONENT DAPM bias level. See snd_soc_dapm_init_bias_level() 298 */ 299 static inline void 300 snd_soc_component_init_bias_level(struct snd_soc_component *component, 301 enum snd_soc_bias_level level) 302 { 303 snd_soc_dapm_init_bias_level( 304 snd_soc_component_get_dapm(component), level); 305 } 306 307 /** 308 * snd_soc_component_get_bias_level() - Get current COMPONENT DAPM bias level 309 * @component: The COMPONENT for which to get the DAPM bias level 310 * 311 * Returns: The current DAPM bias level of the COMPONENT. 312 */ 313 static inline enum snd_soc_bias_level 314 snd_soc_component_get_bias_level(struct snd_soc_component *component) 315 { 316 return snd_soc_dapm_get_bias_level( 317 snd_soc_component_get_dapm(component)); 318 } 319 320 /** 321 * snd_soc_component_force_bias_level() - Set the COMPONENT DAPM bias level 322 * @component: The COMPONENT for which to set the level 323 * @level: The level to set to 324 * 325 * Forces the COMPONENT bias level to a specific state. See 326 * snd_soc_dapm_force_bias_level(). 327 */ 328 static inline int 329 snd_soc_component_force_bias_level(struct snd_soc_component *component, 330 enum snd_soc_bias_level level) 331 { 332 return snd_soc_dapm_force_bias_level( 333 snd_soc_component_get_dapm(component), 334 level); 335 } 336 337 /** 338 * snd_soc_dapm_kcontrol_component() - Returns the component associated to a 339 * kcontrol 340 * @kcontrol: The kcontrol 341 * 342 * This function must only be used on DAPM contexts that are known to be part of 343 * a COMPONENT (e.g. in a COMPONENT driver). Otherwise the behavior is undefined 344 */ 345 static inline struct snd_soc_component *snd_soc_dapm_kcontrol_component( 346 struct snd_kcontrol *kcontrol) 347 { 348 return snd_soc_dapm_to_component(snd_soc_dapm_kcontrol_dapm(kcontrol)); 349 } 350 351 /** 352 * snd_soc_component_cache_sync() - Sync the register cache with the hardware 353 * @component: COMPONENT to sync 354 * 355 * Note: This function will call regcache_sync() 356 */ 357 static inline int snd_soc_component_cache_sync( 358 struct snd_soc_component *component) 359 { 360 return regcache_sync(component->regmap); 361 } 362 363 void snd_soc_component_set_aux(struct snd_soc_component *component, 364 struct snd_soc_aux_dev *aux); 365 int snd_soc_component_init(struct snd_soc_component *component); 366 int snd_soc_component_is_dummy(struct snd_soc_component *component); 367 368 /* component IO */ 369 unsigned int snd_soc_component_read(struct snd_soc_component *component, 370 unsigned int reg); 371 int snd_soc_component_write(struct snd_soc_component *component, 372 unsigned int reg, unsigned int val); 373 int snd_soc_component_update_bits(struct snd_soc_component *component, 374 unsigned int reg, unsigned int mask, 375 unsigned int val); 376 int snd_soc_component_update_bits_async(struct snd_soc_component *component, 377 unsigned int reg, unsigned int mask, 378 unsigned int val); 379 void snd_soc_component_async_complete(struct snd_soc_component *component); 380 int snd_soc_component_test_bits(struct snd_soc_component *component, 381 unsigned int reg, unsigned int mask, 382 unsigned int value); 383 384 unsigned int snd_soc_component_read_field(struct snd_soc_component *component, 385 unsigned int reg, unsigned int mask); 386 int snd_soc_component_write_field(struct snd_soc_component *component, 387 unsigned int reg, unsigned int mask, 388 unsigned int val); 389 390 /* component wide operations */ 391 int snd_soc_component_set_sysclk(struct snd_soc_component *component, 392 int clk_id, int source, 393 unsigned int freq, int dir); 394 int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id, 395 int source, unsigned int freq_in, 396 unsigned int freq_out); 397 int snd_soc_component_set_jack(struct snd_soc_component *component, 398 struct snd_soc_jack *jack, void *data); 399 int snd_soc_component_get_jack_type(struct snd_soc_component *component); 400 401 void snd_soc_component_seq_notifier(struct snd_soc_component *component, 402 enum snd_soc_dapm_type type, int subseq); 403 int snd_soc_component_stream_event(struct snd_soc_component *component, 404 int event); 405 int snd_soc_component_set_bias_level(struct snd_soc_component *component, 406 enum snd_soc_bias_level level); 407 408 void snd_soc_component_setup_regmap(struct snd_soc_component *component); 409 #ifdef CONFIG_REGMAP 410 void snd_soc_component_init_regmap(struct snd_soc_component *component, 411 struct regmap *regmap); 412 void snd_soc_component_exit_regmap(struct snd_soc_component *component); 413 #endif 414 415 #define snd_soc_component_module_get_when_probe(component)\ 416 snd_soc_component_module_get(component, NULL, 0) 417 #define snd_soc_component_module_get_when_open(component, substream) \ 418 snd_soc_component_module_get(component, substream, 1) 419 int snd_soc_component_module_get(struct snd_soc_component *component, 420 void *mark, int upon_open); 421 #define snd_soc_component_module_put_when_remove(component) \ 422 snd_soc_component_module_put(component, NULL, 0, 0) 423 #define snd_soc_component_module_put_when_close(component, substream, rollback) \ 424 snd_soc_component_module_put(component, substream, 1, rollback) 425 void snd_soc_component_module_put(struct snd_soc_component *component, 426 void *mark, int upon_open, int rollback); 427 428 static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c, 429 void *data) 430 { 431 dev_set_drvdata(c->dev, data); 432 } 433 434 static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c) 435 { 436 return dev_get_drvdata(c->dev); 437 } 438 439 static inline unsigned int 440 snd_soc_component_active(struct snd_soc_component *component) 441 { 442 return component->active; 443 } 444 445 /* component pin */ 446 int snd_soc_component_enable_pin(struct snd_soc_component *component, 447 const char *pin); 448 int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component, 449 const char *pin); 450 int snd_soc_component_disable_pin(struct snd_soc_component *component, 451 const char *pin); 452 int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component, 453 const char *pin); 454 int snd_soc_component_nc_pin(struct snd_soc_component *component, 455 const char *pin); 456 int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component, 457 const char *pin); 458 int snd_soc_component_get_pin_status(struct snd_soc_component *component, 459 const char *pin); 460 int snd_soc_component_force_enable_pin(struct snd_soc_component *component, 461 const char *pin); 462 int snd_soc_component_force_enable_pin_unlocked( 463 struct snd_soc_component *component, 464 const char *pin); 465 466 /* component controls */ 467 int snd_soc_component_notify_control(struct snd_soc_component *component, 468 const char * const ctl); 469 470 /* component driver ops */ 471 int snd_soc_component_open(struct snd_soc_component *component, 472 struct snd_pcm_substream *substream); 473 int snd_soc_component_close(struct snd_soc_component *component, 474 struct snd_pcm_substream *substream, 475 int rollback); 476 void snd_soc_component_suspend(struct snd_soc_component *component); 477 void snd_soc_component_resume(struct snd_soc_component *component); 478 int snd_soc_component_is_suspended(struct snd_soc_component *component); 479 int snd_soc_component_probe(struct snd_soc_component *component); 480 void snd_soc_component_remove(struct snd_soc_component *component); 481 int snd_soc_component_of_xlate_dai_id(struct snd_soc_component *component, 482 struct device_node *ep); 483 int snd_soc_component_of_xlate_dai_name(struct snd_soc_component *component, 484 const struct of_phandle_args *args, 485 const char **dai_name); 486 int snd_soc_component_compr_open(struct snd_soc_component *component, 487 struct snd_compr_stream *cstream); 488 void snd_soc_component_compr_free(struct snd_soc_component *component, 489 struct snd_compr_stream *cstream, 490 int rollback); 491 int snd_soc_component_compr_trigger(struct snd_compr_stream *cstream, int cmd); 492 int snd_soc_component_compr_set_params(struct snd_compr_stream *cstream, 493 struct snd_compr_params *params); 494 int snd_soc_component_compr_get_params(struct snd_compr_stream *cstream, 495 struct snd_codec *params); 496 int snd_soc_component_compr_get_caps(struct snd_compr_stream *cstream, 497 struct snd_compr_caps *caps); 498 int snd_soc_component_compr_get_codec_caps(struct snd_compr_stream *cstream, 499 struct snd_compr_codec_caps *codec); 500 int snd_soc_component_compr_ack(struct snd_compr_stream *cstream, size_t bytes); 501 int snd_soc_component_compr_pointer(struct snd_compr_stream *cstream, 502 struct snd_compr_tstamp *tstamp); 503 int snd_soc_component_compr_copy(struct snd_compr_stream *cstream, 504 char __user *buf, size_t count); 505 int snd_soc_component_compr_set_metadata(struct snd_compr_stream *cstream, 506 struct snd_compr_metadata *metadata); 507 int snd_soc_component_compr_get_metadata(struct snd_compr_stream *cstream, 508 struct snd_compr_metadata *metadata); 509 510 int snd_soc_pcm_component_pointer(struct snd_pcm_substream *substream); 511 int snd_soc_pcm_component_ioctl(struct snd_pcm_substream *substream, 512 unsigned int cmd, void *arg); 513 int snd_soc_pcm_component_sync_stop(struct snd_pcm_substream *substream); 514 int snd_soc_pcm_component_copy_user(struct snd_pcm_substream *substream, 515 int channel, unsigned long pos, 516 void __user *buf, unsigned long bytes); 517 struct page *snd_soc_pcm_component_page(struct snd_pcm_substream *substream, 518 unsigned long offset); 519 int snd_soc_pcm_component_mmap(struct snd_pcm_substream *substream, 520 struct vm_area_struct *vma); 521 int snd_soc_pcm_component_new(struct snd_soc_pcm_runtime *rtd); 522 void snd_soc_pcm_component_free(struct snd_soc_pcm_runtime *rtd); 523 int snd_soc_pcm_component_prepare(struct snd_pcm_substream *substream); 524 int snd_soc_pcm_component_hw_params(struct snd_pcm_substream *substream, 525 struct snd_pcm_hw_params *params); 526 void snd_soc_pcm_component_hw_free(struct snd_pcm_substream *substream, 527 int rollback); 528 int snd_soc_pcm_component_trigger(struct snd_pcm_substream *substream, 529 int cmd, int rollback); 530 int snd_soc_pcm_component_pm_runtime_get(struct snd_soc_pcm_runtime *rtd, 531 void *stream); 532 void snd_soc_pcm_component_pm_runtime_put(struct snd_soc_pcm_runtime *rtd, 533 void *stream, int rollback); 534 int snd_soc_pcm_component_ack(struct snd_pcm_substream *substream); 535 void snd_soc_pcm_component_delay(struct snd_pcm_substream *substream, 536 snd_pcm_sframes_t *cpu_delay, snd_pcm_sframes_t *codec_delay); 537 538 #endif /* __SOC_COMPONENT_H */ 539