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