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