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 * @d0i3_supported_in_s0ix: Allow DSP D0I3 during S0iX 117 */ 118 struct sof_ipc_pcm_ops { 119 int (*hw_params)(struct snd_soc_component *component, struct snd_pcm_substream *substream, 120 struct snd_pcm_hw_params *params, 121 struct snd_sof_platform_stream_params *platform_params); 122 int (*hw_free)(struct snd_soc_component *component, struct snd_pcm_substream *substream); 123 int (*trigger)(struct snd_soc_component *component, struct snd_pcm_substream *substream, 124 int cmd); 125 int (*dai_link_fixup)(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params); 126 int (*pcm_setup)(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm); 127 void (*pcm_free)(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm); 128 snd_pcm_sframes_t (*delay)(struct snd_soc_component *component, 129 struct snd_pcm_substream *substream); 130 bool reset_hw_params_during_stop; 131 bool ipc_first_on_start; 132 bool platform_stop_during_hw_free; 133 bool d0i3_supported_in_s0ix; 134 }; 135 136 /** 137 * struct sof_ipc_tplg_control_ops - IPC-specific ops for topology kcontrol IO 138 */ 139 struct sof_ipc_tplg_control_ops { 140 bool (*volume_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 141 int (*volume_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 142 bool (*switch_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 143 int (*switch_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 144 bool (*enum_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 145 int (*enum_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 146 int (*bytes_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 147 int (*bytes_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 148 int (*bytes_ext_get)(struct snd_sof_control *scontrol, 149 const unsigned int __user *binary_data, unsigned int size); 150 int (*bytes_ext_volatile_get)(struct snd_sof_control *scontrol, 151 const unsigned int __user *binary_data, unsigned int size); 152 int (*bytes_ext_put)(struct snd_sof_control *scontrol, 153 const unsigned int __user *binary_data, unsigned int size); 154 /* update control data based on notification from the DSP */ 155 void (*update)(struct snd_sof_dev *sdev, void *ipc_control_message); 156 /* Optional callback to setup kcontrols associated with an swidget */ 157 int (*widget_kcontrol_setup)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget); 158 /* mandatory callback to set up volume table for volume kcontrols */ 159 int (*set_up_volume_table)(struct snd_sof_control *scontrol, int tlv[SOF_TLV_ITEMS], 160 int size); 161 }; 162 163 /** 164 * struct sof_ipc_tplg_widget_ops - IPC-specific ops for topology widgets 165 * @ipc_setup: Function pointer for setting up widget IPC params 166 * @ipc_free: Function pointer for freeing widget IPC params 167 * @token_list: List of token ID's that should be parsed for the widget 168 * @token_list_size: number of elements in token_list 169 * @bind_event: Function pointer for binding events to the widget 170 * @ipc_prepare: Optional op for preparing a widget for set up 171 * @ipc_unprepare: Optional op for unpreparing a widget 172 */ 173 struct sof_ipc_tplg_widget_ops { 174 int (*ipc_setup)(struct snd_sof_widget *swidget); 175 void (*ipc_free)(struct snd_sof_widget *swidget); 176 enum sof_tokens *token_list; 177 int token_list_size; 178 int (*bind_event)(struct snd_soc_component *scomp, struct snd_sof_widget *swidget, 179 u16 event_type); 180 int (*ipc_prepare)(struct snd_sof_widget *swidget, 181 struct snd_pcm_hw_params *fe_params, 182 struct snd_sof_platform_stream_params *platform_params, 183 struct snd_pcm_hw_params *source_params, int dir); 184 void (*ipc_unprepare)(struct snd_sof_widget *swidget); 185 }; 186 187 /** 188 * struct sof_ipc_tplg_ops - IPC-specific topology ops 189 * @widget: Array of pointers to IPC-specific ops for widgets. This should always be of size 190 * SND_SOF_DAPM_TYPE_COUNT i.e one per widget type. Unsupported widget types will be 191 * initialized to 0. 192 * @control: Pointer to the IPC-specific ops for topology kcontrol IO 193 * @route_setup: Function pointer for setting up pipeline connections 194 * @route_free: Function pointer for freeing pipeline connections. 195 * @token_list: List of all tokens supported by the IPC version. The size of the token_list 196 * array should be SOF_TOKEN_COUNT. The unused elements in the array will be 197 * initialized to 0. 198 * @control_setup: Function pointer for setting up kcontrol IPC-specific data 199 * @control_free: Function pointer for freeing kcontrol IPC-specific data 200 * @pipeline_complete: Function pointer for pipeline complete IPC 201 * @widget_setup: Function pointer for setting up setup in the DSP 202 * @widget_free: Function pointer for freeing widget in the DSP 203 * @dai_config: Function pointer for sending DAI config IPC to the DSP 204 * @dai_get_clk: Function pointer for getting the DAI clock setting 205 * @set_up_all_pipelines: Function pointer for setting up all topology pipelines 206 * @tear_down_all_pipelines: Function pointer for tearing down all topology pipelines 207 * @parse_manifest: Function pointer for ipc4 specific parsing of topology manifest 208 * @link_setup: Function pointer for IPC-specific DAI link set up 209 * 210 * Note: function pointers (ops) are optional 211 */ 212 struct sof_ipc_tplg_ops { 213 const struct sof_ipc_tplg_widget_ops *widget; 214 const struct sof_ipc_tplg_control_ops *control; 215 int (*route_setup)(struct snd_sof_dev *sdev, struct snd_sof_route *sroute); 216 int (*route_free)(struct snd_sof_dev *sdev, struct snd_sof_route *sroute); 217 const struct sof_token_info *token_list; 218 int (*control_setup)(struct snd_sof_dev *sdev, struct snd_sof_control *scontrol); 219 int (*control_free)(struct snd_sof_dev *sdev, struct snd_sof_control *scontrol); 220 int (*pipeline_complete)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget); 221 int (*widget_setup)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget); 222 int (*widget_free)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget); 223 int (*dai_config)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget, 224 unsigned int flags, struct snd_sof_dai_config_data *data); 225 int (*dai_get_clk)(struct snd_sof_dev *sdev, struct snd_sof_dai *dai, int clk_type); 226 int (*set_up_all_pipelines)(struct snd_sof_dev *sdev, bool verify); 227 int (*tear_down_all_pipelines)(struct snd_sof_dev *sdev, bool verify); 228 int (*parse_manifest)(struct snd_soc_component *scomp, int index, 229 struct snd_soc_tplg_manifest *man); 230 int (*link_setup)(struct snd_sof_dev *sdev, struct snd_soc_dai_link *link); 231 }; 232 233 /** struct snd_sof_tuple - Tuple info 234 * @token: Token ID 235 * @value: union of a string or a u32 values 236 */ 237 struct snd_sof_tuple { 238 u32 token; 239 union { 240 u32 v; 241 const char *s; 242 } value; 243 }; 244 245 /* 246 * List of SOF token ID's. The order of ID's does not matter as token arrays are looked up based on 247 * the ID. 248 */ 249 enum sof_tokens { 250 SOF_PCM_TOKENS, 251 SOF_PIPELINE_TOKENS, 252 SOF_SCHED_TOKENS, 253 SOF_ASRC_TOKENS, 254 SOF_SRC_TOKENS, 255 SOF_COMP_TOKENS, 256 SOF_BUFFER_TOKENS, 257 SOF_VOLUME_TOKENS, 258 SOF_PROCESS_TOKENS, 259 SOF_DAI_TOKENS, 260 SOF_DAI_LINK_TOKENS, 261 SOF_HDA_TOKENS, 262 SOF_SSP_TOKENS, 263 SOF_ALH_TOKENS, 264 SOF_DMIC_TOKENS, 265 SOF_DMIC_PDM_TOKENS, 266 SOF_ESAI_TOKENS, 267 SOF_SAI_TOKENS, 268 SOF_AFE_TOKENS, 269 SOF_CORE_TOKENS, 270 SOF_COMP_EXT_TOKENS, 271 SOF_IN_AUDIO_FORMAT_TOKENS, 272 SOF_OUT_AUDIO_FORMAT_TOKENS, 273 SOF_COPIER_DEEP_BUFFER_TOKENS, 274 SOF_COPIER_TOKENS, 275 SOF_AUDIO_FMT_NUM_TOKENS, 276 SOF_COPIER_FORMAT_TOKENS, 277 SOF_GAIN_TOKENS, 278 SOF_ACPDMIC_TOKENS, 279 SOF_ACPI2S_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; 517 518 int number_configs; 519 int current_config; 520 struct list_head list; /* list in sdev dai list */ 521 /* core should not touch this */ 522 const void *platform_private; 523 void *private; 524 }; 525 526 /* 527 * Kcontrols. 528 */ 529 530 int snd_sof_volume_get(struct snd_kcontrol *kcontrol, 531 struct snd_ctl_elem_value *ucontrol); 532 int snd_sof_volume_put(struct snd_kcontrol *kcontrol, 533 struct snd_ctl_elem_value *ucontrol); 534 int snd_sof_volume_info(struct snd_kcontrol *kcontrol, 535 struct snd_ctl_elem_info *uinfo); 536 int snd_sof_switch_get(struct snd_kcontrol *kcontrol, 537 struct snd_ctl_elem_value *ucontrol); 538 int snd_sof_switch_put(struct snd_kcontrol *kcontrol, 539 struct snd_ctl_elem_value *ucontrol); 540 int snd_sof_enum_get(struct snd_kcontrol *kcontrol, 541 struct snd_ctl_elem_value *ucontrol); 542 int snd_sof_enum_put(struct snd_kcontrol *kcontrol, 543 struct snd_ctl_elem_value *ucontrol); 544 int snd_sof_bytes_get(struct snd_kcontrol *kcontrol, 545 struct snd_ctl_elem_value *ucontrol); 546 int snd_sof_bytes_put(struct snd_kcontrol *kcontrol, 547 struct snd_ctl_elem_value *ucontrol); 548 int snd_sof_bytes_ext_put(struct snd_kcontrol *kcontrol, 549 const unsigned int __user *binary_data, 550 unsigned int size); 551 int snd_sof_bytes_ext_get(struct snd_kcontrol *kcontrol, 552 unsigned int __user *binary_data, 553 unsigned int size); 554 int snd_sof_bytes_ext_volatile_get(struct snd_kcontrol *kcontrol, unsigned int __user *binary_data, 555 unsigned int size); 556 void snd_sof_control_notify(struct snd_sof_dev *sdev, 557 struct sof_ipc_ctrl_data *cdata); 558 559 /* 560 * Topology. 561 * There is no snd_sof_free_topology since topology components will 562 * be freed by snd_soc_unregister_component, 563 */ 564 int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file); 565 566 /* 567 * Stream IPC 568 */ 569 int snd_sof_ipc_stream_posn(struct snd_soc_component *scomp, 570 struct snd_sof_pcm *spcm, int direction, 571 struct sof_ipc_stream_posn *posn); 572 573 struct snd_sof_widget *snd_sof_find_swidget(struct snd_soc_component *scomp, 574 const char *name); 575 struct snd_sof_widget * 576 snd_sof_find_swidget_sname(struct snd_soc_component *scomp, 577 const char *pcm_name, int dir); 578 struct snd_sof_dai *snd_sof_find_dai(struct snd_soc_component *scomp, 579 const char *name); 580 581 static inline 582 struct snd_sof_pcm *snd_sof_find_spcm_dai(struct snd_soc_component *scomp, 583 struct snd_soc_pcm_runtime *rtd) 584 { 585 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 586 struct snd_sof_pcm *spcm; 587 588 list_for_each_entry(spcm, &sdev->pcm_list, list) { 589 if (le32_to_cpu(spcm->pcm.dai_id) == rtd->dai_link->id) 590 return spcm; 591 } 592 593 return NULL; 594 } 595 596 struct snd_sof_pcm *snd_sof_find_spcm_name(struct snd_soc_component *scomp, 597 const char *name); 598 struct snd_sof_pcm *snd_sof_find_spcm_comp(struct snd_soc_component *scomp, 599 unsigned int comp_id, 600 int *direction); 601 void snd_sof_pcm_period_elapsed(struct snd_pcm_substream *substream); 602 void snd_sof_pcm_init_elapsed_work(struct work_struct *work); 603 604 #if IS_ENABLED(CONFIG_SND_SOC_SOF_COMPRESS) 605 void snd_sof_compr_fragment_elapsed(struct snd_compr_stream *cstream); 606 void snd_sof_compr_init_elapsed_work(struct work_struct *work); 607 #else 608 static inline void snd_sof_compr_fragment_elapsed(struct snd_compr_stream *cstream) { } 609 static inline void snd_sof_compr_init_elapsed_work(struct work_struct *work) { } 610 #endif 611 612 /* DAI link fixup */ 613 int sof_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params); 614 615 /* PM */ 616 bool snd_sof_stream_suspend_ignored(struct snd_sof_dev *sdev); 617 bool snd_sof_dsp_only_d0i3_compatible_stream_active(struct snd_sof_dev *sdev); 618 619 /* Machine driver enumeration */ 620 int sof_machine_register(struct snd_sof_dev *sdev, void *pdata); 621 void sof_machine_unregister(struct snd_sof_dev *sdev, void *pdata); 622 623 int sof_widget_setup(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget); 624 int sof_widget_free(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget); 625 int sof_route_setup(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *wsource, 626 struct snd_soc_dapm_widget *wsink); 627 628 /* PCM */ 629 int sof_widget_list_setup(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm, 630 struct snd_pcm_hw_params *fe_params, 631 struct snd_sof_platform_stream_params *platform_params, 632 int dir); 633 int sof_widget_list_free(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm, int dir); 634 int sof_pcm_dsp_pcm_free(struct snd_pcm_substream *substream, struct snd_sof_dev *sdev, 635 struct snd_sof_pcm *spcm); 636 int sof_pcm_stream_free(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream, 637 struct snd_sof_pcm *spcm, int dir, bool free_widget_list); 638 int get_token_u32(void *elem, void *object, u32 offset); 639 int get_token_u16(void *elem, void *object, u32 offset); 640 int get_token_comp_format(void *elem, void *object, u32 offset); 641 int get_token_dai_type(void *elem, void *object, u32 offset); 642 int get_token_uuid(void *elem, void *object, u32 offset); 643 int get_token_string(void *elem, void *object, u32 offset); 644 int sof_update_ipc_object(struct snd_soc_component *scomp, void *object, enum sof_tokens token_id, 645 struct snd_sof_tuple *tuples, int num_tuples, 646 size_t object_size, int token_instance_num); 647 u32 vol_compute_gain(u32 value, int *tlv); 648 #endif 649