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, 278 279 /* this should be the last */ 280 SOF_TOKEN_COUNT, 281 }; 282 283 /** 284 * struct sof_topology_token - SOF topology token definition 285 * @token: Token number 286 * @type: Token type 287 * @get_token: Function pointer to parse the token value and save it in a object 288 * @offset: Offset within an object to save the token value into 289 */ 290 struct sof_topology_token { 291 u32 token; 292 u32 type; 293 int (*get_token)(void *elem, void *object, u32 offset); 294 u32 offset; 295 }; 296 297 struct sof_token_info { 298 const char *name; 299 const struct sof_topology_token *tokens; 300 int count; 301 }; 302 303 /** 304 * struct snd_sof_pcm_stream_pipeline_list - List of pipelines associated with a PCM stream 305 * @count: number of pipeline widgets in the @pipe_widgets array 306 * @pipelines: array of pipelines 307 */ 308 struct snd_sof_pcm_stream_pipeline_list { 309 u32 count; 310 struct snd_sof_pipeline **pipelines; 311 }; 312 313 /* PCM stream, mapped to FW component */ 314 struct snd_sof_pcm_stream { 315 u32 comp_id; 316 struct snd_dma_buffer page_table; 317 struct sof_ipc_stream_posn posn; 318 struct snd_pcm_substream *substream; 319 struct snd_compr_stream *cstream; 320 struct work_struct period_elapsed_work; 321 struct snd_soc_dapm_widget_list *list; /* list of connected DAPM widgets */ 322 bool d0i3_compatible; /* DSP can be in D0I3 when this pcm is opened */ 323 /* 324 * flag to indicate that the DSP pipelines should be kept 325 * active or not while suspending the stream 326 */ 327 bool suspend_ignored; 328 struct snd_sof_pcm_stream_pipeline_list pipeline_list; 329 330 /* used by IPC implementation and core does not touch it */ 331 void *private; 332 }; 333 334 /* ALSA SOF PCM device */ 335 struct snd_sof_pcm { 336 struct snd_soc_component *scomp; 337 struct snd_soc_tplg_pcm pcm; 338 struct snd_sof_pcm_stream stream[2]; 339 struct list_head list; /* list in sdev pcm list */ 340 struct snd_pcm_hw_params params[2]; 341 bool prepared[2]; /* PCM_PARAMS set successfully */ 342 }; 343 344 struct snd_sof_led_control { 345 unsigned int use_led; 346 unsigned int direction; 347 int led_value; 348 }; 349 350 /* ALSA SOF Kcontrol device */ 351 struct snd_sof_control { 352 struct snd_soc_component *scomp; 353 const char *name; 354 int comp_id; 355 int min_volume_step; /* min volume step for volume_table */ 356 int max_volume_step; /* max volume step for volume_table */ 357 int num_channels; 358 unsigned int access; 359 int info_type; 360 int index; /* pipeline ID */ 361 void *priv; /* private data copied from topology */ 362 size_t priv_size; /* size of private data */ 363 size_t max_size; 364 void *ipc_control_data; 365 int max; /* applicable to volume controls */ 366 u32 size; /* cdata size */ 367 u32 *volume_table; /* volume table computed from tlv data*/ 368 369 struct list_head list; /* list in sdev control list */ 370 371 struct snd_sof_led_control led_ctl; 372 373 /* if true, the control's data needs to be updated from Firmware */ 374 bool comp_data_dirty; 375 }; 376 377 /** struct snd_sof_dai_link - DAI link info 378 * @tuples: array of parsed tuples 379 * @num_tuples: number of tuples in the tuples array 380 * @link: Pointer to snd_soc_dai_link 381 * @hw_configs: Pointer to hw configs in topology 382 * @num_hw_configs: Number of hw configs in topology 383 * @default_hw_cfg_id: Default hw config ID 384 * @type: DAI type 385 * @list: item in snd_sof_dev dai_link list 386 */ 387 struct snd_sof_dai_link { 388 struct snd_sof_tuple *tuples; 389 int num_tuples; 390 struct snd_soc_dai_link *link; 391 struct snd_soc_tplg_hw_config *hw_configs; 392 int num_hw_configs; 393 int default_hw_cfg_id; 394 int type; 395 struct list_head list; 396 }; 397 398 /* ASoC SOF DAPM widget */ 399 struct snd_sof_widget { 400 struct snd_soc_component *scomp; 401 int comp_id; 402 int pipeline_id; 403 /* 404 * the prepared flag is used to indicate that a widget has been prepared for getting set 405 * up in the DSP. 406 */ 407 bool prepared; 408 409 struct mutex setup_mutex; /* to protect the swidget setup and free operations */ 410 411 /* 412 * use_count is protected by the PCM mutex held by the core and the 413 * setup_mutex against non stream domain races (kcontrol access for 414 * example) 415 */ 416 int use_count; 417 418 int core; 419 int id; /* id is the DAPM widget type */ 420 /* 421 * Instance ID is set dynamically when the widget gets set up in the FW. It should be 422 * unique for each module type across all pipelines. This will not be used in SOF_IPC. 423 */ 424 int instance_id; 425 426 /* 427 * Flag indicating if the widget should be set up dynamically when a PCM is opened. 428 * This flag is only set for the scheduler type widget in topology. During topology 429 * loading, this flag is propagated to all the widgets belonging to the same pipeline. 430 * When this flag is not set, a widget is set up at the time of topology loading 431 * and retained until the DSP enters D3. It will need to be set up again when resuming 432 * from D3. 433 */ 434 bool dynamic_pipeline_widget; 435 436 struct snd_soc_dapm_widget *widget; 437 struct list_head list; /* list in sdev widget list */ 438 struct snd_sof_pipeline *spipe; 439 void *module_info; 440 441 const guid_t uuid; 442 443 int num_tuples; 444 struct snd_sof_tuple *tuples; 445 446 /* 447 * The allowed range for num_input/output_pins is [0, SOF_WIDGET_MAX_NUM_PINS]. 448 * Widgets may have zero input or output pins, for example the tone widget has 449 * zero input pins. 450 */ 451 u32 num_input_pins; 452 u32 num_output_pins; 453 454 /* 455 * The input/output pin binding array, it takes the form of 456 * [widget_name_connected_to_pin0, widget_name_connected_to_pin1, ...], 457 * with the index as the queue ID. 458 * 459 * The array is used for special pin binding. Note that even if there 460 * is only one input/output pin requires special pin binding, pin binding 461 * should be defined for all input/output pins in topology, for pin(s) that 462 * are not used, give the value "NotConnected". 463 * 464 * If pin binding is not defined in topology, nothing to parse in the kernel, 465 * input_pin_binding and output_pin_binding shall be NULL. 466 */ 467 char **input_pin_binding; 468 char **output_pin_binding; 469 470 struct ida output_queue_ida; 471 struct ida input_queue_ida; 472 473 void *private; /* core does not touch this */ 474 }; 475 476 /** struct snd_sof_pipeline - ASoC SOF pipeline 477 * @pipe_widget: Pointer to the pipeline widget 478 * @started_count: Count of number of PCM's that have started this pipeline 479 * @paused_count: Count of number of PCM's that have started and have currently paused this 480 pipeline 481 * @complete: flag used to indicate that pipeline set up is complete. 482 * @list: List item in sdev pipeline_list 483 */ 484 struct snd_sof_pipeline { 485 struct snd_sof_widget *pipe_widget; 486 int started_count; 487 int paused_count; 488 int complete; 489 struct list_head list; 490 }; 491 492 /* ASoC SOF DAPM route */ 493 struct snd_sof_route { 494 struct snd_soc_component *scomp; 495 496 struct snd_soc_dapm_route *route; 497 struct list_head list; /* list in sdev route list */ 498 struct snd_sof_widget *src_widget; 499 struct snd_sof_widget *sink_widget; 500 bool setup; 501 502 int src_queue_id; 503 int dst_queue_id; 504 505 void *private; 506 }; 507 508 /* ASoC DAI device */ 509 struct snd_sof_dai { 510 struct snd_soc_component *scomp; 511 const char *name; 512 513 int number_configs; 514 int current_config; 515 struct list_head list; /* list in sdev dai list */ 516 /* core should not touch this */ 517 const void *platform_private; 518 void *private; 519 }; 520 521 /* 522 * Kcontrols. 523 */ 524 525 int snd_sof_volume_get(struct snd_kcontrol *kcontrol, 526 struct snd_ctl_elem_value *ucontrol); 527 int snd_sof_volume_put(struct snd_kcontrol *kcontrol, 528 struct snd_ctl_elem_value *ucontrol); 529 int snd_sof_volume_info(struct snd_kcontrol *kcontrol, 530 struct snd_ctl_elem_info *uinfo); 531 int snd_sof_switch_get(struct snd_kcontrol *kcontrol, 532 struct snd_ctl_elem_value *ucontrol); 533 int snd_sof_switch_put(struct snd_kcontrol *kcontrol, 534 struct snd_ctl_elem_value *ucontrol); 535 int snd_sof_enum_get(struct snd_kcontrol *kcontrol, 536 struct snd_ctl_elem_value *ucontrol); 537 int snd_sof_enum_put(struct snd_kcontrol *kcontrol, 538 struct snd_ctl_elem_value *ucontrol); 539 int snd_sof_bytes_get(struct snd_kcontrol *kcontrol, 540 struct snd_ctl_elem_value *ucontrol); 541 int snd_sof_bytes_put(struct snd_kcontrol *kcontrol, 542 struct snd_ctl_elem_value *ucontrol); 543 int snd_sof_bytes_ext_put(struct snd_kcontrol *kcontrol, 544 const unsigned int __user *binary_data, 545 unsigned int size); 546 int snd_sof_bytes_ext_get(struct snd_kcontrol *kcontrol, 547 unsigned int __user *binary_data, 548 unsigned int size); 549 int snd_sof_bytes_ext_volatile_get(struct snd_kcontrol *kcontrol, unsigned int __user *binary_data, 550 unsigned int size); 551 void snd_sof_control_notify(struct snd_sof_dev *sdev, 552 struct sof_ipc_ctrl_data *cdata); 553 554 /* 555 * Topology. 556 * There is no snd_sof_free_topology since topology components will 557 * be freed by snd_soc_unregister_component, 558 */ 559 int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file); 560 561 /* 562 * Stream IPC 563 */ 564 int snd_sof_ipc_stream_posn(struct snd_soc_component *scomp, 565 struct snd_sof_pcm *spcm, int direction, 566 struct sof_ipc_stream_posn *posn); 567 568 struct snd_sof_widget *snd_sof_find_swidget(struct snd_soc_component *scomp, 569 const char *name); 570 struct snd_sof_widget * 571 snd_sof_find_swidget_sname(struct snd_soc_component *scomp, 572 const char *pcm_name, int dir); 573 struct snd_sof_dai *snd_sof_find_dai(struct snd_soc_component *scomp, 574 const char *name); 575 576 static inline 577 struct snd_sof_pcm *snd_sof_find_spcm_dai(struct snd_soc_component *scomp, 578 struct snd_soc_pcm_runtime *rtd) 579 { 580 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 581 struct snd_sof_pcm *spcm; 582 583 list_for_each_entry(spcm, &sdev->pcm_list, list) { 584 if (le32_to_cpu(spcm->pcm.dai_id) == rtd->dai_link->id) 585 return spcm; 586 } 587 588 return NULL; 589 } 590 591 struct snd_sof_pcm *snd_sof_find_spcm_name(struct snd_soc_component *scomp, 592 const char *name); 593 struct snd_sof_pcm *snd_sof_find_spcm_comp(struct snd_soc_component *scomp, 594 unsigned int comp_id, 595 int *direction); 596 void snd_sof_pcm_period_elapsed(struct snd_pcm_substream *substream); 597 void snd_sof_pcm_init_elapsed_work(struct work_struct *work); 598 599 #if IS_ENABLED(CONFIG_SND_SOC_SOF_COMPRESS) 600 void snd_sof_compr_fragment_elapsed(struct snd_compr_stream *cstream); 601 void snd_sof_compr_init_elapsed_work(struct work_struct *work); 602 #else 603 static inline void snd_sof_compr_fragment_elapsed(struct snd_compr_stream *cstream) { } 604 static inline void snd_sof_compr_init_elapsed_work(struct work_struct *work) { } 605 #endif 606 607 /* DAI link fixup */ 608 int sof_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params); 609 610 /* PM */ 611 bool snd_sof_stream_suspend_ignored(struct snd_sof_dev *sdev); 612 bool snd_sof_dsp_only_d0i3_compatible_stream_active(struct snd_sof_dev *sdev); 613 614 /* Machine driver enumeration */ 615 int sof_machine_register(struct snd_sof_dev *sdev, void *pdata); 616 void sof_machine_unregister(struct snd_sof_dev *sdev, void *pdata); 617 618 int sof_widget_setup(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget); 619 int sof_widget_free(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget); 620 int sof_route_setup(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *wsource, 621 struct snd_soc_dapm_widget *wsink); 622 623 /* PCM */ 624 int sof_widget_list_setup(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm, 625 struct snd_pcm_hw_params *fe_params, 626 struct snd_sof_platform_stream_params *platform_params, 627 int dir); 628 int sof_widget_list_free(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm, int dir); 629 int sof_pcm_dsp_pcm_free(struct snd_pcm_substream *substream, struct snd_sof_dev *sdev, 630 struct snd_sof_pcm *spcm); 631 int sof_pcm_stream_free(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream, 632 struct snd_sof_pcm *spcm, int dir, bool free_widget_list); 633 int get_token_u32(void *elem, void *object, u32 offset); 634 int get_token_u16(void *elem, void *object, u32 offset); 635 int get_token_comp_format(void *elem, void *object, u32 offset); 636 int get_token_dai_type(void *elem, void *object, u32 offset); 637 int get_token_uuid(void *elem, void *object, u32 offset); 638 int get_token_string(void *elem, void *object, u32 offset); 639 int sof_update_ipc_object(struct snd_soc_component *scomp, void *object, enum sof_tokens token_id, 640 struct snd_sof_tuple *tuples, int num_tuples, 641 size_t object_size, int token_instance_num); 642 u32 vol_compute_gain(u32 value, int *tlv); 643 #endif 644