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/* Widget pin type */ 34#define SOF_PIN_TYPE_INPUT 0 35#define SOF_PIN_TYPE_OUTPUT 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 50enum 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 65static 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 73static 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 85struct snd_sof_widget; 86struct snd_sof_route; 87struct snd_sof_control; 88struct snd_sof_dai; 89struct snd_sof_pcm; 90 91struct 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 * @pointer: Function pointer for pcm pointer 107 * Note: the @pointer callback may return -EOPNOTSUPP which should be 108 * handled in a same way as if the callback is not provided 109 * @delay: Function pointer for pcm delay reporting 110 * @reset_hw_params_during_stop: Flag indicating whether the hw_params should be reset during the 111 * STOP pcm trigger 112 * @ipc_first_on_start: Send IPC before invoking platform trigger during 113 * START/PAUSE_RELEASE triggers 114 * @platform_stop_during_hw_free: Invoke the platform trigger during hw_free. This is needed for 115 * IPC4 where a pipeline is only paused during stop/pause/suspend 116 * triggers. The FW keeps the host DMA running in this case and 117 * therefore the host must do the same and should stop the DMA during 118 * hw_free. 119 */ 120struct sof_ipc_pcm_ops { 121 int (*hw_params)(struct snd_soc_component *component, struct snd_pcm_substream *substream, 122 struct snd_pcm_hw_params *params, 123 struct snd_sof_platform_stream_params *platform_params); 124 int (*hw_free)(struct snd_soc_component *component, struct snd_pcm_substream *substream); 125 int (*trigger)(struct snd_soc_component *component, struct snd_pcm_substream *substream, 126 int cmd); 127 int (*dai_link_fixup)(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params); 128 int (*pcm_setup)(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm); 129 void (*pcm_free)(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm); 130 int (*pointer)(struct snd_soc_component *component, 131 struct snd_pcm_substream *substream, 132 snd_pcm_uframes_t *pointer); 133 snd_pcm_sframes_t (*delay)(struct snd_soc_component *component, 134 struct snd_pcm_substream *substream); 135 bool reset_hw_params_during_stop; 136 bool ipc_first_on_start; 137 bool platform_stop_during_hw_free; 138}; 139 140/** 141 * struct sof_ipc_tplg_control_ops - IPC-specific ops for topology kcontrol IO 142 */ 143struct sof_ipc_tplg_control_ops { 144 bool (*volume_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 145 int (*volume_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 146 bool (*switch_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 147 int (*switch_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 148 bool (*enum_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 149 int (*enum_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 150 int (*bytes_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 151 int (*bytes_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 152 int (*bytes_ext_get)(struct snd_sof_control *scontrol, 153 const unsigned int __user *binary_data, unsigned int size); 154 int (*bytes_ext_volatile_get)(struct snd_sof_control *scontrol, 155 const unsigned int __user *binary_data, unsigned int size); 156 int (*bytes_ext_put)(struct snd_sof_control *scontrol, 157 const unsigned int __user *binary_data, unsigned int size); 158 /* update control data based on notification from the DSP */ 159 void (*update)(struct snd_sof_dev *sdev, void *ipc_control_message); 160 /* Optional callback to setup kcontrols associated with an swidget */ 161 int (*widget_kcontrol_setup)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget); 162 /* mandatory callback to set up volume table for volume kcontrols */ 163 int (*set_up_volume_table)(struct snd_sof_control *scontrol, int tlv[SOF_TLV_ITEMS], 164 int size); 165}; 166 167/** 168 * struct sof_ipc_tplg_widget_ops - IPC-specific ops for topology widgets 169 * @ipc_setup: Function pointer for setting up widget IPC params 170 * @ipc_free: Function pointer for freeing widget IPC params 171 * @token_list: List of token ID's that should be parsed for the widget 172 * @token_list_size: number of elements in token_list 173 * @bind_event: Function pointer for binding events to the widget 174 * @ipc_prepare: Optional op for preparing a widget for set up 175 * @ipc_unprepare: Optional op for unpreparing a widget 176 */ 177struct sof_ipc_tplg_widget_ops { 178 int (*ipc_setup)(struct snd_sof_widget *swidget); 179 void (*ipc_free)(struct snd_sof_widget *swidget); 180 enum sof_tokens *token_list; 181 int token_list_size; 182 int (*bind_event)(struct snd_soc_component *scomp, struct snd_sof_widget *swidget, 183 u16 event_type); 184 int (*ipc_prepare)(struct snd_sof_widget *swidget, 185 struct snd_pcm_hw_params *fe_params, 186 struct snd_sof_platform_stream_params *platform_params, 187 struct snd_pcm_hw_params *source_params, int dir); 188 void (*ipc_unprepare)(struct snd_sof_widget *swidget); 189}; 190 191/** 192 * struct sof_ipc_tplg_ops - IPC-specific topology ops 193 * @widget: Array of pointers to IPC-specific ops for widgets. This should always be of size 194 * SND_SOF_DAPM_TYPE_COUNT i.e one per widget type. Unsupported widget types will be 195 * initialized to 0. 196 * @control: Pointer to the IPC-specific ops for topology kcontrol IO 197 * @route_setup: Function pointer for setting up pipeline connections 198 * @route_free: Function pointer for freeing pipeline connections. 199 * @token_list: List of all tokens supported by the IPC version. The size of the token_list 200 * array should be SOF_TOKEN_COUNT. The unused elements in the array will be 201 * initialized to 0. 202 * @control_setup: Function pointer for setting up kcontrol IPC-specific data 203 * @control_free: Function pointer for freeing kcontrol IPC-specific data 204 * @pipeline_complete: Function pointer for pipeline complete IPC 205 * @widget_setup: Function pointer for setting up setup in the DSP 206 * @widget_free: Function pointer for freeing widget in the DSP 207 * @dai_config: Function pointer for sending DAI config IPC to the DSP 208 * @dai_get_clk: Function pointer for getting the DAI clock setting 209 * @set_up_all_pipelines: Function pointer for setting up all topology pipelines 210 * @tear_down_all_pipelines: Function pointer for tearing down all topology pipelines 211 * @parse_manifest: Function pointer for ipc4 specific parsing of topology manifest 212 * @link_setup: Function pointer for IPC-specific DAI link set up 213 * 214 * Note: function pointers (ops) are optional 215 */ 216struct sof_ipc_tplg_ops { 217 const struct sof_ipc_tplg_widget_ops *widget; 218 const struct sof_ipc_tplg_control_ops *control; 219 int (*route_setup)(struct snd_sof_dev *sdev, struct snd_sof_route *sroute); 220 int (*route_free)(struct snd_sof_dev *sdev, struct snd_sof_route *sroute); 221 const struct sof_token_info *token_list; 222 int (*control_setup)(struct snd_sof_dev *sdev, struct snd_sof_control *scontrol); 223 int (*control_free)(struct snd_sof_dev *sdev, struct snd_sof_control *scontrol); 224 int (*pipeline_complete)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget); 225 int (*widget_setup)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget); 226 int (*widget_free)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget); 227 int (*dai_config)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget, 228 unsigned int flags, struct snd_sof_dai_config_data *data); 229 int (*dai_get_clk)(struct snd_sof_dev *sdev, struct snd_sof_dai *dai, int clk_type); 230 int (*set_up_all_pipelines)(struct snd_sof_dev *sdev, bool verify); 231 int (*tear_down_all_pipelines)(struct snd_sof_dev *sdev, bool verify); 232 int (*parse_manifest)(struct snd_soc_component *scomp, int index, 233 struct snd_soc_tplg_manifest *man); 234 int (*link_setup)(struct snd_sof_dev *sdev, struct snd_soc_dai_link *link); 235}; 236 237/** struct snd_sof_tuple - Tuple info 238 * @token: Token ID 239 * @value: union of a string or a u32 values 240 */ 241struct snd_sof_tuple { 242 u32 token; 243 union { 244 u32 v; 245 const char *s; 246 } value; 247}; 248 249/* 250 * List of SOF token ID's. The order of ID's does not matter as token arrays are looked up based on 251 * the ID. 252 */ 253enum sof_tokens { 254 SOF_PCM_TOKENS, 255 SOF_PIPELINE_TOKENS, 256 SOF_SCHED_TOKENS, 257 SOF_ASRC_TOKENS, 258 SOF_SRC_TOKENS, 259 SOF_COMP_TOKENS, 260 SOF_BUFFER_TOKENS, 261 SOF_VOLUME_TOKENS, 262 SOF_PROCESS_TOKENS, 263 SOF_DAI_TOKENS, 264 SOF_DAI_LINK_TOKENS, 265 SOF_HDA_TOKENS, 266 SOF_SSP_TOKENS, 267 SOF_ALH_TOKENS, 268 SOF_DMIC_TOKENS, 269 SOF_DMIC_PDM_TOKENS, 270 SOF_ESAI_TOKENS, 271 SOF_SAI_TOKENS, 272 SOF_AFE_TOKENS, 273 SOF_CORE_TOKENS, 274 SOF_COMP_EXT_TOKENS, 275 SOF_IN_AUDIO_FORMAT_TOKENS, 276 SOF_OUT_AUDIO_FORMAT_TOKENS, 277 SOF_COPIER_DEEP_BUFFER_TOKENS, 278 SOF_COPIER_TOKENS, 279 SOF_AUDIO_FMT_NUM_TOKENS, 280 SOF_COPIER_FORMAT_TOKENS, 281 SOF_GAIN_TOKENS, 282 SOF_ACPDMIC_TOKENS, 283 SOF_ACPI2S_TOKENS, 284 SOF_MICFIL_TOKENS, 285 SOF_ACP_SDW_TOKENS, 286 287 /* this should be the last */ 288 SOF_TOKEN_COUNT, 289}; 290 291/** 292 * struct sof_topology_token - SOF topology token definition 293 * @token: Token number 294 * @type: Token type 295 * @get_token: Function pointer to parse the token value and save it in a object 296 * @offset: Offset within an object to save the token value into 297 */ 298struct sof_topology_token { 299 u32 token; 300 u32 type; 301 int (*get_token)(void *elem, void *object, u32 offset); 302 u32 offset; 303}; 304 305struct sof_token_info { 306 const char *name; 307 const struct sof_topology_token *tokens; 308 int count; 309}; 310 311/** 312 * struct snd_sof_pcm_stream_pipeline_list - List of pipelines associated with a PCM stream 313 * @count: number of pipeline widgets in the @pipe_widgets array 314 * @pipelines: array of pipelines 315 */ 316struct snd_sof_pcm_stream_pipeline_list { 317 u32 count; 318 struct snd_sof_pipeline **pipelines; 319}; 320 321/* PCM stream, mapped to FW component */ 322struct snd_sof_pcm_stream { 323 u32 comp_id; 324 struct snd_dma_buffer page_table; 325 struct sof_ipc_stream_posn posn; 326 struct snd_pcm_substream *substream; 327 struct snd_compr_stream *cstream; 328 struct work_struct period_elapsed_work; 329 struct snd_soc_dapm_widget_list *list; /* list of connected DAPM widgets */ 330 bool d0i3_compatible; /* DSP can be in D0I3 when this pcm is opened */ 331 unsigned int dsp_max_burst_size_in_ms; /* The maximum size of the host DMA burst in ms */ 332 /* 333 * flag to indicate that the DSP pipelines should be kept 334 * active or not while suspending the stream 335 */ 336 bool suspend_ignored; 337 struct snd_sof_pcm_stream_pipeline_list pipeline_list; 338 339 /* used by IPC implementation and core does not touch it */ 340 void *private; 341}; 342 343/* ALSA SOF PCM device */ 344struct snd_sof_pcm { 345 struct snd_soc_component *scomp; 346 struct snd_soc_tplg_pcm pcm; 347 struct snd_sof_pcm_stream stream[2]; 348 struct list_head list; /* list in sdev pcm list */ 349 struct snd_pcm_hw_params params[2]; 350 bool prepared[2]; /* PCM_PARAMS set successfully */ 351}; 352 353struct snd_sof_led_control { 354 unsigned int use_led; 355 unsigned int direction; 356 int led_value; 357}; 358 359/* ALSA SOF Kcontrol device */ 360struct snd_sof_control { 361 struct snd_soc_component *scomp; 362 const char *name; 363 int comp_id; 364 int min_volume_step; /* min volume step for volume_table */ 365 int max_volume_step; /* max volume step for volume_table */ 366 int num_channels; 367 unsigned int access; 368 int info_type; 369 int index; /* pipeline ID */ 370 void *priv; /* private data copied from topology */ 371 size_t priv_size; /* size of private data */ 372 size_t max_size; 373 void *ipc_control_data; 374 void *old_ipc_control_data; 375 int max; /* applicable to volume controls */ 376 u32 size; /* cdata size */ 377 u32 *volume_table; /* volume table computed from tlv data*/ 378 379 struct list_head list; /* list in sdev control list */ 380 381 struct snd_sof_led_control led_ctl; 382 383 /* if true, the control's data needs to be updated from Firmware */ 384 bool comp_data_dirty; 385}; 386 387/** struct snd_sof_dai_link - DAI link info 388 * @tuples: array of parsed tuples 389 * @num_tuples: number of tuples in the tuples array 390 * @link: Pointer to snd_soc_dai_link 391 * @hw_configs: Pointer to hw configs in topology 392 * @num_hw_configs: Number of hw configs in topology 393 * @default_hw_cfg_id: Default hw config ID 394 * @type: DAI type 395 * @list: item in snd_sof_dev dai_link list 396 */ 397struct snd_sof_dai_link { 398 struct snd_sof_tuple *tuples; 399 int num_tuples; 400 struct snd_soc_dai_link *link; 401 struct snd_soc_tplg_hw_config *hw_configs; 402 int num_hw_configs; 403 int default_hw_cfg_id; 404 int type; 405 struct list_head list; 406}; 407 408/* ASoC SOF DAPM widget */ 409struct snd_sof_widget { 410 struct snd_soc_component *scomp; 411 int comp_id; 412 int pipeline_id; 413 /* 414 * the prepared flag is used to indicate that a widget has been prepared for getting set 415 * up in the DSP. 416 */ 417 bool prepared; 418 419 struct mutex setup_mutex; /* to protect the swidget setup and free operations */ 420 421 /* 422 * use_count is protected by the PCM mutex held by the core and the 423 * setup_mutex against non stream domain races (kcontrol access for 424 * example) 425 */ 426 int use_count; 427 428 int core; 429 int id; /* id is the DAPM widget type */ 430 /* 431 * Instance ID is set dynamically when the widget gets set up in the FW. It should be 432 * unique for each module type across all pipelines. This will not be used in SOF_IPC. 433 */ 434 int instance_id; 435 436 /* 437 * Flag indicating if the widget should be set up dynamically when a PCM is opened. 438 * This flag is only set for the scheduler type widget in topology. During topology 439 * loading, this flag is propagated to all the widgets belonging to the same pipeline. 440 * When this flag is not set, a widget is set up at the time of topology loading 441 * and retained until the DSP enters D3. It will need to be set up again when resuming 442 * from D3. 443 */ 444 bool dynamic_pipeline_widget; 445 446 struct snd_soc_dapm_widget *widget; 447 struct list_head list; /* list in sdev widget list */ 448 struct snd_sof_pipeline *spipe; 449 void *module_info; 450 451 const guid_t uuid; 452 453 int num_tuples; 454 struct snd_sof_tuple *tuples; 455 456 /* 457 * The allowed range for num_input/output_pins is [0, SOF_WIDGET_MAX_NUM_PINS]. 458 * Widgets may have zero input or output pins, for example the tone widget has 459 * zero input pins. 460 */ 461 u32 num_input_pins; 462 u32 num_output_pins; 463 464 /* 465 * The input/output pin binding array, it takes the form of 466 * [widget_name_connected_to_pin0, widget_name_connected_to_pin1, ...], 467 * with the index as the queue ID. 468 * 469 * The array is used for special pin binding. Note that even if there 470 * is only one input/output pin requires special pin binding, pin binding 471 * should be defined for all input/output pins in topology, for pin(s) that 472 * are not used, give the value "NotConnected". 473 * 474 * If pin binding is not defined in topology, nothing to parse in the kernel, 475 * input_pin_binding and output_pin_binding shall be NULL. 476 */ 477 char **input_pin_binding; 478 char **output_pin_binding; 479 480 struct ida output_queue_ida; 481 struct ida input_queue_ida; 482 483 void *private; /* core does not touch this */ 484}; 485 486/** struct snd_sof_pipeline - ASoC SOF pipeline 487 * @pipe_widget: Pointer to the pipeline widget 488 * @started_count: Count of number of PCM's that have started this pipeline 489 * @paused_count: Count of number of PCM's that have started and have currently paused this 490 pipeline 491 * @complete: flag used to indicate that pipeline set up is complete. 492 * @core_mask: Mask containing target cores for all modules in the pipeline 493 * @list: List item in sdev pipeline_list 494 */ 495struct snd_sof_pipeline { 496 struct snd_sof_widget *pipe_widget; 497 int started_count; 498 int paused_count; 499 int complete; 500 unsigned long core_mask; 501 struct list_head list; 502}; 503 504/* ASoC SOF DAPM route */ 505struct snd_sof_route { 506 struct snd_soc_component *scomp; 507 508 struct snd_soc_dapm_route *route; 509 struct list_head list; /* list in sdev route list */ 510 struct snd_sof_widget *src_widget; 511 struct snd_sof_widget *sink_widget; 512 bool setup; 513 514 int src_queue_id; 515 int dst_queue_id; 516 517 void *private; 518}; 519 520/* ASoC DAI device */ 521struct snd_sof_dai { 522 struct snd_soc_component *scomp; 523 const char *name; 524 u32 type; 525 526 int number_configs; 527 int current_config; 528 struct list_head list; /* list in sdev dai list */ 529 /* core should not touch this */ 530 const void *platform_private; 531 void *private; 532}; 533 534/* 535 * Kcontrols. 536 */ 537 538int snd_sof_volume_get(struct snd_kcontrol *kcontrol, 539 struct snd_ctl_elem_value *ucontrol); 540int snd_sof_volume_put(struct snd_kcontrol *kcontrol, 541 struct snd_ctl_elem_value *ucontrol); 542int snd_sof_volume_info(struct snd_kcontrol *kcontrol, 543 struct snd_ctl_elem_info *uinfo); 544int snd_sof_switch_get(struct snd_kcontrol *kcontrol, 545 struct snd_ctl_elem_value *ucontrol); 546int snd_sof_switch_put(struct snd_kcontrol *kcontrol, 547 struct snd_ctl_elem_value *ucontrol); 548int snd_sof_enum_get(struct snd_kcontrol *kcontrol, 549 struct snd_ctl_elem_value *ucontrol); 550int snd_sof_enum_put(struct snd_kcontrol *kcontrol, 551 struct snd_ctl_elem_value *ucontrol); 552int snd_sof_bytes_get(struct snd_kcontrol *kcontrol, 553 struct snd_ctl_elem_value *ucontrol); 554int snd_sof_bytes_put(struct snd_kcontrol *kcontrol, 555 struct snd_ctl_elem_value *ucontrol); 556int snd_sof_bytes_ext_put(struct snd_kcontrol *kcontrol, 557 const unsigned int __user *binary_data, 558 unsigned int size); 559int snd_sof_bytes_ext_get(struct snd_kcontrol *kcontrol, 560 unsigned int __user *binary_data, 561 unsigned int size); 562int snd_sof_bytes_ext_volatile_get(struct snd_kcontrol *kcontrol, unsigned int __user *binary_data, 563 unsigned int size); 564void snd_sof_control_notify(struct snd_sof_dev *sdev, 565 struct sof_ipc_ctrl_data *cdata); 566 567/* 568 * Topology. 569 * There is no snd_sof_free_topology since topology components will 570 * be freed by snd_soc_unregister_component, 571 */ 572int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file); 573 574/* 575 * Stream IPC 576 */ 577int snd_sof_ipc_stream_posn(struct snd_soc_component *scomp, 578 struct snd_sof_pcm *spcm, int direction, 579 struct sof_ipc_stream_posn *posn); 580 581struct snd_sof_widget *snd_sof_find_swidget(struct snd_soc_component *scomp, 582 const char *name); 583struct snd_sof_widget * 584snd_sof_find_swidget_sname(struct snd_soc_component *scomp, 585 const char *pcm_name, int dir); 586struct snd_sof_dai *snd_sof_find_dai(struct snd_soc_component *scomp, 587 const char *name); 588 589static inline 590struct snd_sof_pcm *snd_sof_find_spcm_dai(struct snd_soc_component *scomp, 591 struct snd_soc_pcm_runtime *rtd) 592{ 593 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 594 struct snd_sof_pcm *spcm; 595 596 list_for_each_entry(spcm, &sdev->pcm_list, list) { 597 if (le32_to_cpu(spcm->pcm.dai_id) == rtd->dai_link->id) 598 return spcm; 599 } 600 601 return NULL; 602} 603 604struct snd_sof_pcm *snd_sof_find_spcm_name(struct snd_soc_component *scomp, 605 const char *name); 606struct snd_sof_pcm *snd_sof_find_spcm_comp(struct snd_soc_component *scomp, 607 unsigned int comp_id, 608 int *direction); 609void snd_sof_pcm_period_elapsed(struct snd_pcm_substream *substream); 610void snd_sof_pcm_init_elapsed_work(struct work_struct *work); 611 612#if IS_ENABLED(CONFIG_SND_SOC_SOF_COMPRESS) 613void snd_sof_compr_fragment_elapsed(struct snd_compr_stream *cstream); 614void snd_sof_compr_init_elapsed_work(struct work_struct *work); 615#else 616static inline void snd_sof_compr_fragment_elapsed(struct snd_compr_stream *cstream) { } 617static inline void snd_sof_compr_init_elapsed_work(struct work_struct *work) { } 618#endif 619 620/* DAI link fixup */ 621int sof_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params); 622 623/* PM */ 624bool snd_sof_stream_suspend_ignored(struct snd_sof_dev *sdev); 625bool snd_sof_dsp_only_d0i3_compatible_stream_active(struct snd_sof_dev *sdev); 626 627/* Machine driver enumeration */ 628int sof_machine_register(struct snd_sof_dev *sdev, void *pdata); 629void sof_machine_unregister(struct snd_sof_dev *sdev, void *pdata); 630 631int sof_widget_setup(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget); 632int sof_widget_free(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget); 633int sof_route_setup(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *wsource, 634 struct snd_soc_dapm_widget *wsink); 635 636/* PCM */ 637int sof_widget_list_setup(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm, 638 struct snd_pcm_hw_params *fe_params, 639 struct snd_sof_platform_stream_params *platform_params, 640 int dir); 641int sof_widget_list_free(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm, int dir); 642int sof_pcm_dsp_pcm_free(struct snd_pcm_substream *substream, struct snd_sof_dev *sdev, 643 struct snd_sof_pcm *spcm); 644int sof_pcm_stream_free(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream, 645 struct snd_sof_pcm *spcm, int dir, bool free_widget_list); 646int get_token_u32(void *elem, void *object, u32 offset); 647int get_token_u16(void *elem, void *object, u32 offset); 648int get_token_comp_format(void *elem, void *object, u32 offset); 649int get_token_dai_type(void *elem, void *object, u32 offset); 650int get_token_uuid(void *elem, void *object, u32 offset); 651int get_token_string(void *elem, void *object, u32 offset); 652int sof_update_ipc_object(struct snd_soc_component *scomp, void *object, enum sof_tokens token_id, 653 struct snd_sof_tuple *tuples, int num_tuples, 654 size_t object_size, int token_instance_num); 655u32 vol_compute_gain(u32 value, int *tlv); 656#endif 657