1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */ 2 /* 3 * This file is provided under a dual BSD/GPLv2 license. When using or 4 * redistributing this file, you may do so under either license. 5 * 6 * Copyright(c) 2019 Intel Corporation. All rights reserved. 7 * 8 * Author: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> 9 */ 10 11 #ifndef __SOUND_SOC_SOF_AUDIO_H 12 #define __SOUND_SOC_SOF_AUDIO_H 13 14 #include <linux/workqueue.h> 15 16 #include <sound/soc.h> 17 #include <sound/control.h> 18 #include <sound/sof/stream.h> /* needs to be included before control.h */ 19 #include <sound/sof/control.h> 20 #include <sound/sof/dai.h> 21 #include <sound/sof/topology.h> 22 #include "sof-priv.h" 23 24 #define SOF_AUDIO_PCM_DRV_NAME "sof-audio-component" 25 26 /* 27 * The ipc4 firmware only supports up to 8 sink or source pins 28 * per widget, because only 3 bits are used for queue(pin) ID 29 * in ipc4 protocol. 30 */ 31 #define SOF_WIDGET_MAX_NUM_PINS 8 32 33 /* The type of a widget pin is either sink or source */ 34 #define SOF_PIN_TYPE_SINK 0 35 #define SOF_PIN_TYPE_SOURCE 1 36 37 /* max number of FE PCMs before BEs */ 38 #define SOF_BE_PCM_BASE 16 39 40 #define DMA_CHAN_INVALID 0xFFFFFFFF 41 42 #define WIDGET_IS_DAI(id) ((id) == snd_soc_dapm_dai_in || (id) == snd_soc_dapm_dai_out) 43 #define WIDGET_IS_AIF(id) ((id) == snd_soc_dapm_aif_in || (id) == snd_soc_dapm_aif_out) 44 #define WIDGET_IS_AIF_OR_DAI(id) (WIDGET_IS_DAI(id) || WIDGET_IS_AIF(id)) 45 #define WIDGET_IS_COPIER(id) (WIDGET_IS_AIF_OR_DAI(id) || (id) == snd_soc_dapm_buffer) 46 47 #define SOF_DAI_CLK_INTEL_SSP_MCLK 0 48 #define SOF_DAI_CLK_INTEL_SSP_BCLK 1 49 50 enum sof_widget_op { 51 SOF_WIDGET_PREPARE, 52 SOF_WIDGET_SETUP, 53 SOF_WIDGET_FREE, 54 SOF_WIDGET_UNPREPARE, 55 }; 56 57 /* 58 * Volume fractional word length define to 16 sets 59 * the volume linear gain value to use Qx.16 format 60 */ 61 #define VOLUME_FWL 16 62 63 #define SOF_TLV_ITEMS 3 64 65 static inline u32 mixer_to_ipc(unsigned int value, u32 *volume_map, int size) 66 { 67 if (value >= size) 68 return volume_map[size - 1]; 69 70 return volume_map[value]; 71 } 72 73 static inline u32 ipc_to_mixer(u32 value, u32 *volume_map, int size) 74 { 75 int i; 76 77 for (i = 0; i < size; i++) { 78 if (volume_map[i] >= value) 79 return i; 80 } 81 82 return i - 1; 83 } 84 85 struct snd_sof_widget; 86 struct snd_sof_route; 87 struct snd_sof_control; 88 struct snd_sof_dai; 89 struct snd_sof_pcm; 90 91 struct snd_sof_dai_config_data { 92 int dai_index; 93 int dai_data; /* contains DAI-specific information */ 94 }; 95 96 /** 97 * struct sof_ipc_pcm_ops - IPC-specific PCM ops 98 * @hw_params: Function pointer for hw_params 99 * @hw_free: Function pointer for hw_free 100 * @trigger: Function pointer for trigger 101 * @dai_link_fixup: Function pointer for DAI link fixup 102 * @pcm_setup: Function pointer for IPC-specific PCM set up that can be used for allocating 103 * additional memory in the SOF PCM stream structure 104 * @pcm_free: Function pointer for PCM free that can be used for freeing any 105 * additional memory in the SOF PCM stream structure 106 * @delay: Function pointer for pcm delay calculation 107 */ 108 struct sof_ipc_pcm_ops { 109 int (*hw_params)(struct snd_soc_component *component, struct snd_pcm_substream *substream, 110 struct snd_pcm_hw_params *params, 111 struct snd_sof_platform_stream_params *platform_params); 112 int (*hw_free)(struct snd_soc_component *component, struct snd_pcm_substream *substream); 113 int (*trigger)(struct snd_soc_component *component, struct snd_pcm_substream *substream, 114 int cmd); 115 int (*dai_link_fixup)(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params); 116 int (*pcm_setup)(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm); 117 void (*pcm_free)(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm); 118 snd_pcm_sframes_t (*delay)(struct snd_soc_component *component, 119 struct snd_pcm_substream *substream); 120 }; 121 122 /** 123 * struct sof_ipc_tplg_control_ops - IPC-specific ops for topology kcontrol IO 124 */ 125 struct sof_ipc_tplg_control_ops { 126 bool (*volume_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 127 int (*volume_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 128 bool (*switch_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 129 int (*switch_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 130 bool (*enum_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 131 int (*enum_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 132 int (*bytes_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 133 int (*bytes_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 134 int (*bytes_ext_get)(struct snd_sof_control *scontrol, 135 const unsigned int __user *binary_data, unsigned int size); 136 int (*bytes_ext_volatile_get)(struct snd_sof_control *scontrol, 137 const unsigned int __user *binary_data, unsigned int size); 138 int (*bytes_ext_put)(struct snd_sof_control *scontrol, 139 const unsigned int __user *binary_data, unsigned int size); 140 /* update control data based on notification from the DSP */ 141 void (*update)(struct snd_sof_dev *sdev, void *ipc_control_message); 142 /* Optional callback to setup kcontrols associated with an swidget */ 143 int (*widget_kcontrol_setup)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget); 144 /* mandatory callback to set up volume table for volume kcontrols */ 145 int (*set_up_volume_table)(struct snd_sof_control *scontrol, int tlv[SOF_TLV_ITEMS], 146 int size); 147 }; 148 149 /** 150 * struct sof_ipc_tplg_widget_ops - IPC-specific ops for topology widgets 151 * @ipc_setup: Function pointer for setting up widget IPC params 152 * @ipc_free: Function pointer for freeing widget IPC params 153 * @token_list: List of token ID's that should be parsed for the widget 154 * @token_list_size: number of elements in token_list 155 * @bind_event: Function pointer for binding events to the widget 156 * @ipc_prepare: Optional op for preparing a widget for set up 157 * @ipc_unprepare: Optional op for unpreparing a widget 158 */ 159 struct sof_ipc_tplg_widget_ops { 160 int (*ipc_setup)(struct snd_sof_widget *swidget); 161 void (*ipc_free)(struct snd_sof_widget *swidget); 162 enum sof_tokens *token_list; 163 int token_list_size; 164 int (*bind_event)(struct snd_soc_component *scomp, struct snd_sof_widget *swidget, 165 u16 event_type); 166 int (*ipc_prepare)(struct snd_sof_widget *swidget, 167 struct snd_pcm_hw_params *fe_params, 168 struct snd_sof_platform_stream_params *platform_params, 169 struct snd_pcm_hw_params *source_params, int dir); 170 void (*ipc_unprepare)(struct snd_sof_widget *swidget); 171 }; 172 173 /** 174 * struct sof_ipc_tplg_ops - IPC-specific topology ops 175 * @widget: Array of pointers to IPC-specific ops for widgets. This should always be of size 176 * SND_SOF_DAPM_TYPE_COUNT i.e one per widget type. Unsupported widget types will be 177 * initialized to 0. 178 * @control: Pointer to the IPC-specific ops for topology kcontrol IO 179 * @route_setup: Function pointer for setting up pipeline connections 180 * @route_free: Function pointer for freeing pipeline connections. 181 * @token_list: List of all tokens supported by the IPC version. The size of the token_list 182 * array should be SOF_TOKEN_COUNT. The unused elements in the array will be 183 * initialized to 0. 184 * @control_setup: Function pointer for setting up kcontrol IPC-specific data 185 * @control_free: Function pointer for freeing kcontrol IPC-specific data 186 * @pipeline_complete: Function pointer for pipeline complete IPC 187 * @widget_setup: Function pointer for setting up setup in the DSP 188 * @widget_free: Function pointer for freeing widget in the DSP 189 * @dai_config: Function pointer for sending DAI config IPC to the DSP 190 * @dai_get_clk: Function pointer for getting the DAI clock setting 191 * @set_up_all_pipelines: Function pointer for setting up all topology pipelines 192 * @tear_down_all_pipelines: Function pointer for tearing down all topology pipelines 193 * @parse_manifest: Function pointer for ipc4 specific parsing of topology manifest 194 * @link_setup: Function pointer for IPC-specific DAI link set up 195 * 196 * Note: function pointers (ops) are optional 197 */ 198 struct sof_ipc_tplg_ops { 199 const struct sof_ipc_tplg_widget_ops *widget; 200 const struct sof_ipc_tplg_control_ops *control; 201 int (*route_setup)(struct snd_sof_dev *sdev, struct snd_sof_route *sroute); 202 int (*route_free)(struct snd_sof_dev *sdev, struct snd_sof_route *sroute); 203 const struct sof_token_info *token_list; 204 int (*control_setup)(struct snd_sof_dev *sdev, struct snd_sof_control *scontrol); 205 int (*control_free)(struct snd_sof_dev *sdev, struct snd_sof_control *scontrol); 206 int (*pipeline_complete)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget); 207 int (*widget_setup)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget); 208 int (*widget_free)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget); 209 int (*dai_config)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget, 210 unsigned int flags, struct snd_sof_dai_config_data *data); 211 int (*dai_get_clk)(struct snd_sof_dev *sdev, struct snd_sof_dai *dai, int clk_type); 212 int (*set_up_all_pipelines)(struct snd_sof_dev *sdev, bool verify); 213 int (*tear_down_all_pipelines)(struct snd_sof_dev *sdev, bool verify); 214 int (*parse_manifest)(struct snd_soc_component *scomp, int index, 215 struct snd_soc_tplg_manifest *man); 216 int (*link_setup)(struct snd_sof_dev *sdev, struct snd_soc_dai_link *link); 217 }; 218 219 /** struct snd_sof_tuple - Tuple info 220 * @token: Token ID 221 * @value: union of a string or a u32 values 222 */ 223 struct snd_sof_tuple { 224 u32 token; 225 union { 226 u32 v; 227 const char *s; 228 } value; 229 }; 230 231 /* 232 * List of SOF token ID's. The order of ID's does not matter as token arrays are looked up based on 233 * the ID. 234 */ 235 enum sof_tokens { 236 SOF_PCM_TOKENS, 237 SOF_PIPELINE_TOKENS, 238 SOF_SCHED_TOKENS, 239 SOF_ASRC_TOKENS, 240 SOF_SRC_TOKENS, 241 SOF_COMP_TOKENS, 242 SOF_BUFFER_TOKENS, 243 SOF_VOLUME_TOKENS, 244 SOF_PROCESS_TOKENS, 245 SOF_DAI_TOKENS, 246 SOF_DAI_LINK_TOKENS, 247 SOF_HDA_TOKENS, 248 SOF_SSP_TOKENS, 249 SOF_ALH_TOKENS, 250 SOF_DMIC_TOKENS, 251 SOF_DMIC_PDM_TOKENS, 252 SOF_ESAI_TOKENS, 253 SOF_SAI_TOKENS, 254 SOF_AFE_TOKENS, 255 SOF_CORE_TOKENS, 256 SOF_COMP_EXT_TOKENS, 257 SOF_IN_AUDIO_FORMAT_TOKENS, 258 SOF_OUT_AUDIO_FORMAT_TOKENS, 259 SOF_AUDIO_FORMAT_BUFFER_SIZE_TOKENS, 260 SOF_COPIER_GATEWAY_CFG_TOKENS, 261 SOF_COPIER_TOKENS, 262 SOF_AUDIO_FMT_NUM_TOKENS, 263 SOF_COPIER_FORMAT_TOKENS, 264 SOF_GAIN_TOKENS, 265 SOF_ACPDMIC_TOKENS, 266 SOF_ACPI2S_TOKENS, 267 268 /* this should be the last */ 269 SOF_TOKEN_COUNT, 270 }; 271 272 /** 273 * struct sof_topology_token - SOF topology token definition 274 * @token: Token number 275 * @type: Token type 276 * @get_token: Function pointer to parse the token value and save it in a object 277 * @offset: Offset within an object to save the token value into 278 */ 279 struct sof_topology_token { 280 u32 token; 281 u32 type; 282 int (*get_token)(void *elem, void *object, u32 offset); 283 u32 offset; 284 }; 285 286 struct sof_token_info { 287 const char *name; 288 const struct sof_topology_token *tokens; 289 int count; 290 }; 291 292 /** 293 * struct snd_sof_pcm_stream_pipeline_list - List of pipelines associated with a PCM stream 294 * @count: number of pipeline widgets in the @pipe_widgets array 295 * @pipelines: array of pipelines 296 */ 297 struct snd_sof_pcm_stream_pipeline_list { 298 u32 count; 299 struct snd_sof_pipeline **pipelines; 300 }; 301 302 /* PCM stream, mapped to FW component */ 303 struct snd_sof_pcm_stream { 304 u32 comp_id; 305 struct snd_dma_buffer page_table; 306 struct sof_ipc_stream_posn posn; 307 struct snd_pcm_substream *substream; 308 struct snd_compr_stream *cstream; 309 struct work_struct period_elapsed_work; 310 struct snd_soc_dapm_widget_list *list; /* list of connected DAPM widgets */ 311 bool d0i3_compatible; /* DSP can be in D0I3 when this pcm is opened */ 312 /* 313 * flag to indicate that the DSP pipelines should be kept 314 * active or not while suspending the stream 315 */ 316 bool suspend_ignored; 317 struct snd_sof_pcm_stream_pipeline_list pipeline_list; 318 319 /* used by IPC implementation and core does not touch it */ 320 void *private; 321 }; 322 323 /* ALSA SOF PCM device */ 324 struct snd_sof_pcm { 325 struct snd_soc_component *scomp; 326 struct snd_soc_tplg_pcm pcm; 327 struct snd_sof_pcm_stream stream[2]; 328 struct list_head list; /* list in sdev pcm list */ 329 struct snd_pcm_hw_params params[2]; 330 bool prepared[2]; /* PCM_PARAMS set successfully */ 331 }; 332 333 struct snd_sof_led_control { 334 unsigned int use_led; 335 unsigned int direction; 336 int led_value; 337 }; 338 339 /* ALSA SOF Kcontrol device */ 340 struct snd_sof_control { 341 struct snd_soc_component *scomp; 342 const char *name; 343 int comp_id; 344 int min_volume_step; /* min volume step for volume_table */ 345 int max_volume_step; /* max volume step for volume_table */ 346 int num_channels; 347 unsigned int access; 348 int info_type; 349 int index; /* pipeline ID */ 350 void *priv; /* private data copied from topology */ 351 size_t priv_size; /* size of private data */ 352 size_t max_size; 353 void *ipc_control_data; 354 int max; /* applicable to volume controls */ 355 u32 size; /* cdata size */ 356 u32 *volume_table; /* volume table computed from tlv data*/ 357 358 struct list_head list; /* list in sdev control list */ 359 360 struct snd_sof_led_control led_ctl; 361 362 /* if true, the control's data needs to be updated from Firmware */ 363 bool comp_data_dirty; 364 }; 365 366 /** struct snd_sof_dai_link - DAI link info 367 * @tuples: array of parsed tuples 368 * @num_tuples: number of tuples in the tuples array 369 * @link: Pointer to snd_soc_dai_link 370 * @hw_configs: Pointer to hw configs in topology 371 * @num_hw_configs: Number of hw configs in topology 372 * @default_hw_cfg_id: Default hw config ID 373 * @type: DAI type 374 * @list: item in snd_sof_dev dai_link list 375 */ 376 struct snd_sof_dai_link { 377 struct snd_sof_tuple *tuples; 378 int num_tuples; 379 struct snd_soc_dai_link *link; 380 struct snd_soc_tplg_hw_config *hw_configs; 381 int num_hw_configs; 382 int default_hw_cfg_id; 383 int type; 384 struct list_head list; 385 }; 386 387 /* ASoC SOF DAPM widget */ 388 struct snd_sof_widget { 389 struct snd_soc_component *scomp; 390 int comp_id; 391 int pipeline_id; 392 /* 393 * the prepared flag is used to indicate that a widget has been prepared for getting set 394 * up in the DSP. 395 */ 396 bool prepared; 397 398 struct mutex setup_mutex; /* to protect the swidget setup and free operations */ 399 400 /* 401 * use_count is protected by the PCM mutex held by the core and the 402 * setup_mutex against non stream domain races (kcontrol access for 403 * example) 404 */ 405 int use_count; 406 407 int core; 408 int id; /* id is the DAPM widget type */ 409 /* 410 * Instance ID is set dynamically when the widget gets set up in the FW. It should be 411 * unique for each module type across all pipelines. This will not be used in SOF_IPC. 412 */ 413 int instance_id; 414 415 /* 416 * Flag indicating if the widget should be set up dynamically when a PCM is opened. 417 * This flag is only set for the scheduler type widget in topology. During topology 418 * loading, this flag is propagated to all the widgets belonging to the same pipeline. 419 * When this flag is not set, a widget is set up at the time of topology loading 420 * and retained until the DSP enters D3. It will need to be set up again when resuming 421 * from D3. 422 */ 423 bool dynamic_pipeline_widget; 424 425 struct snd_soc_dapm_widget *widget; 426 struct list_head list; /* list in sdev widget list */ 427 struct snd_sof_pipeline *spipe; 428 void *module_info; 429 430 const guid_t uuid; 431 432 int num_tuples; 433 struct snd_sof_tuple *tuples; 434 435 /* 436 * The allowed range for num_sink/source_pins is [0, SOF_WIDGET_MAX_NUM_PINS]. 437 * Widgets may have zero sink or source pins, for example the tone widget has 438 * zero sink pins. 439 */ 440 u32 num_sink_pins; 441 u32 num_source_pins; 442 443 /* 444 * The sink/source pin binding array, it takes the form of 445 * [widget_name_connected_to_pin0, widget_name_connected_to_pin1, ...], 446 * with the index as the queue ID. 447 * 448 * The array is used for special pin binding. Note that even if there 449 * is only one sink/source pin requires special pin binding, pin binding 450 * should be defined for all sink/source pins in topology, for pin(s) that 451 * are not used, give the value "NotConnected". 452 * 453 * If pin binding is not defined in topology, nothing to parse in the kernel, 454 * sink_pin_binding and src_pin_binding shall be NULL. 455 */ 456 char **sink_pin_binding; 457 char **src_pin_binding; 458 459 struct ida src_queue_ida; 460 struct ida sink_queue_ida; 461 462 void *private; /* core does not touch this */ 463 }; 464 465 /** struct snd_sof_pipeline - ASoC SOF pipeline 466 * @pipe_widget: Pointer to the pipeline widget 467 * @started_count: Count of number of PCM's that have started this pipeline 468 * @paused_count: Count of number of PCM's that have started and have currently paused this 469 pipeline 470 * @complete: flag used to indicate that pipeline set up is complete. 471 * @list: List item in sdev pipeline_list 472 */ 473 struct snd_sof_pipeline { 474 struct snd_sof_widget *pipe_widget; 475 int started_count; 476 int paused_count; 477 int complete; 478 struct list_head list; 479 }; 480 481 /* ASoC SOF DAPM route */ 482 struct snd_sof_route { 483 struct snd_soc_component *scomp; 484 485 struct snd_soc_dapm_route *route; 486 struct list_head list; /* list in sdev route list */ 487 struct snd_sof_widget *src_widget; 488 struct snd_sof_widget *sink_widget; 489 bool setup; 490 491 int src_queue_id; 492 int dst_queue_id; 493 494 void *private; 495 }; 496 497 /* ASoC DAI device */ 498 struct snd_sof_dai { 499 struct snd_soc_component *scomp; 500 const char *name; 501 502 int number_configs; 503 int current_config; 504 struct list_head list; /* list in sdev dai list */ 505 void *private; 506 }; 507 508 /* 509 * Kcontrols. 510 */ 511 512 int snd_sof_volume_get(struct snd_kcontrol *kcontrol, 513 struct snd_ctl_elem_value *ucontrol); 514 int snd_sof_volume_put(struct snd_kcontrol *kcontrol, 515 struct snd_ctl_elem_value *ucontrol); 516 int snd_sof_volume_info(struct snd_kcontrol *kcontrol, 517 struct snd_ctl_elem_info *uinfo); 518 int snd_sof_switch_get(struct snd_kcontrol *kcontrol, 519 struct snd_ctl_elem_value *ucontrol); 520 int snd_sof_switch_put(struct snd_kcontrol *kcontrol, 521 struct snd_ctl_elem_value *ucontrol); 522 int snd_sof_enum_get(struct snd_kcontrol *kcontrol, 523 struct snd_ctl_elem_value *ucontrol); 524 int snd_sof_enum_put(struct snd_kcontrol *kcontrol, 525 struct snd_ctl_elem_value *ucontrol); 526 int snd_sof_bytes_get(struct snd_kcontrol *kcontrol, 527 struct snd_ctl_elem_value *ucontrol); 528 int snd_sof_bytes_put(struct snd_kcontrol *kcontrol, 529 struct snd_ctl_elem_value *ucontrol); 530 int snd_sof_bytes_ext_put(struct snd_kcontrol *kcontrol, 531 const unsigned int __user *binary_data, 532 unsigned int size); 533 int snd_sof_bytes_ext_get(struct snd_kcontrol *kcontrol, 534 unsigned int __user *binary_data, 535 unsigned int size); 536 int snd_sof_bytes_ext_volatile_get(struct snd_kcontrol *kcontrol, unsigned int __user *binary_data, 537 unsigned int size); 538 void snd_sof_control_notify(struct snd_sof_dev *sdev, 539 struct sof_ipc_ctrl_data *cdata); 540 541 /* 542 * Topology. 543 * There is no snd_sof_free_topology since topology components will 544 * be freed by snd_soc_unregister_component, 545 */ 546 int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file); 547 548 /* 549 * Stream IPC 550 */ 551 int snd_sof_ipc_stream_posn(struct snd_soc_component *scomp, 552 struct snd_sof_pcm *spcm, int direction, 553 struct sof_ipc_stream_posn *posn); 554 555 struct snd_sof_widget *snd_sof_find_swidget(struct snd_soc_component *scomp, 556 const char *name); 557 struct snd_sof_widget * 558 snd_sof_find_swidget_sname(struct snd_soc_component *scomp, 559 const char *pcm_name, int dir); 560 struct snd_sof_dai *snd_sof_find_dai(struct snd_soc_component *scomp, 561 const char *name); 562 563 static inline 564 struct snd_sof_pcm *snd_sof_find_spcm_dai(struct snd_soc_component *scomp, 565 struct snd_soc_pcm_runtime *rtd) 566 { 567 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 568 struct snd_sof_pcm *spcm; 569 570 list_for_each_entry(spcm, &sdev->pcm_list, list) { 571 if (le32_to_cpu(spcm->pcm.dai_id) == rtd->dai_link->id) 572 return spcm; 573 } 574 575 return NULL; 576 } 577 578 struct snd_sof_pcm *snd_sof_find_spcm_name(struct snd_soc_component *scomp, 579 const char *name); 580 struct snd_sof_pcm *snd_sof_find_spcm_comp(struct snd_soc_component *scomp, 581 unsigned int comp_id, 582 int *direction); 583 void snd_sof_pcm_period_elapsed(struct snd_pcm_substream *substream); 584 void snd_sof_pcm_init_elapsed_work(struct work_struct *work); 585 586 #if IS_ENABLED(CONFIG_SND_SOC_SOF_COMPRESS) 587 void snd_sof_compr_fragment_elapsed(struct snd_compr_stream *cstream); 588 void snd_sof_compr_init_elapsed_work(struct work_struct *work); 589 #else 590 static inline void snd_sof_compr_fragment_elapsed(struct snd_compr_stream *cstream) { } 591 static inline void snd_sof_compr_init_elapsed_work(struct work_struct *work) { } 592 #endif 593 594 /* DAI link fixup */ 595 int sof_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params); 596 597 /* PM */ 598 bool snd_sof_stream_suspend_ignored(struct snd_sof_dev *sdev); 599 bool snd_sof_dsp_only_d0i3_compatible_stream_active(struct snd_sof_dev *sdev); 600 601 /* Machine driver enumeration */ 602 int sof_machine_register(struct snd_sof_dev *sdev, void *pdata); 603 void sof_machine_unregister(struct snd_sof_dev *sdev, void *pdata); 604 605 int sof_widget_setup(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget); 606 int sof_widget_free(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget); 607 int sof_route_setup(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *wsource, 608 struct snd_soc_dapm_widget *wsink); 609 610 /* PCM */ 611 int sof_widget_list_setup(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm, 612 struct snd_pcm_hw_params *fe_params, 613 struct snd_sof_platform_stream_params *platform_params, 614 int dir); 615 int sof_widget_list_free(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm, int dir); 616 int sof_pcm_dsp_pcm_free(struct snd_pcm_substream *substream, struct snd_sof_dev *sdev, 617 struct snd_sof_pcm *spcm); 618 int sof_pcm_stream_free(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream, 619 struct snd_sof_pcm *spcm, int dir, bool free_widget_list); 620 int get_token_u32(void *elem, void *object, u32 offset); 621 int get_token_u16(void *elem, void *object, u32 offset); 622 int get_token_comp_format(void *elem, void *object, u32 offset); 623 int get_token_dai_type(void *elem, void *object, u32 offset); 624 int get_token_uuid(void *elem, void *object, u32 offset); 625 int get_token_string(void *elem, void *object, u32 offset); 626 int sof_update_ipc_object(struct snd_soc_component *scomp, void *object, enum sof_tokens token_id, 627 struct snd_sof_tuple *tuples, int num_tuples, 628 size_t object_size, int token_instance_num); 629 u32 vol_compute_gain(u32 value, int *tlv); 630 #endif 631