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 /* max number of FE PCMs before BEs */ 27 #define SOF_BE_PCM_BASE 16 28 29 #define DMA_CHAN_INVALID 0xFFFFFFFF 30 31 #define WIDGET_IS_DAI(id) ((id) == snd_soc_dapm_dai_in || (id) == snd_soc_dapm_dai_out) 32 #define WIDGET_IS_AIF(id) ((id) == snd_soc_dapm_aif_in || (id) == snd_soc_dapm_aif_out) 33 #define WIDGET_IS_AIF_OR_DAI(id) (WIDGET_IS_DAI(id) || WIDGET_IS_AIF(id)) 34 35 #define SOF_DAI_CLK_INTEL_SSP_MCLK 0 36 #define SOF_DAI_CLK_INTEL_SSP_BCLK 1 37 38 enum sof_widget_op { 39 SOF_WIDGET_PREPARE, 40 SOF_WIDGET_SETUP, 41 SOF_WIDGET_FREE, 42 SOF_WIDGET_UNPREPARE, 43 }; 44 45 /* 46 * Volume fractional word length define to 16 sets 47 * the volume linear gain value to use Qx.16 format 48 */ 49 #define VOLUME_FWL 16 50 51 #define SOF_TLV_ITEMS 3 52 53 static inline u32 mixer_to_ipc(unsigned int value, u32 *volume_map, int size) 54 { 55 if (value >= size) 56 return volume_map[size - 1]; 57 58 return volume_map[value]; 59 } 60 61 static inline u32 ipc_to_mixer(u32 value, u32 *volume_map, int size) 62 { 63 int i; 64 65 for (i = 0; i < size; i++) { 66 if (volume_map[i] >= value) 67 return i; 68 } 69 70 return i - 1; 71 } 72 73 struct snd_sof_widget; 74 struct snd_sof_route; 75 struct snd_sof_control; 76 struct snd_sof_dai; 77 78 struct snd_sof_dai_config_data { 79 int dai_index; 80 int dai_data; /* contains DAI-specific information */ 81 }; 82 83 /** 84 * struct sof_ipc_pcm_ops - IPC-specific PCM ops 85 * @hw_params: Function pointer for hw_params 86 * @hw_free: Function pointer for hw_free 87 * @trigger: Function pointer for trigger 88 * @dai_link_fixup: Function pointer for DAI link fixup 89 */ 90 struct sof_ipc_pcm_ops { 91 int (*hw_params)(struct snd_soc_component *component, struct snd_pcm_substream *substream, 92 struct snd_pcm_hw_params *params, 93 struct snd_sof_platform_stream_params *platform_params); 94 int (*hw_free)(struct snd_soc_component *component, struct snd_pcm_substream *substream); 95 int (*trigger)(struct snd_soc_component *component, struct snd_pcm_substream *substream, 96 int cmd); 97 int (*dai_link_fixup)(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params); 98 }; 99 100 /** 101 * struct sof_ipc_tplg_control_ops - IPC-specific ops for topology kcontrol IO 102 */ 103 struct sof_ipc_tplg_control_ops { 104 bool (*volume_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 105 int (*volume_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 106 bool (*switch_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 107 int (*switch_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 108 bool (*enum_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 109 int (*enum_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 110 int (*bytes_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 111 int (*bytes_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol); 112 int (*bytes_ext_get)(struct snd_sof_control *scontrol, 113 const unsigned int __user *binary_data, unsigned int size); 114 int (*bytes_ext_volatile_get)(struct snd_sof_control *scontrol, 115 const unsigned int __user *binary_data, unsigned int size); 116 int (*bytes_ext_put)(struct snd_sof_control *scontrol, 117 const unsigned int __user *binary_data, unsigned int size); 118 /* update control data based on notification from the DSP */ 119 void (*update)(struct snd_sof_dev *sdev, void *ipc_control_message); 120 /* Optional callback to setup kcontrols associated with an swidget */ 121 int (*widget_kcontrol_setup)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget); 122 /* mandatory callback to set up volume table for volume kcontrols */ 123 int (*set_up_volume_table)(struct snd_sof_control *scontrol, int tlv[SOF_TLV_ITEMS], 124 int size); 125 }; 126 127 /** 128 * struct sof_ipc_tplg_widget_ops - IPC-specific ops for topology widgets 129 * @ipc_setup: Function pointer for setting up widget IPC params 130 * @ipc_free: Function pointer for freeing widget IPC params 131 * @token_list: List of token ID's that should be parsed for the widget 132 * @token_list_size: number of elements in token_list 133 * @bind_event: Function pointer for binding events to the widget 134 * @ipc_prepare: Optional op for preparing a widget for set up 135 * @ipc_unprepare: Optional op for unpreparing a widget 136 */ 137 struct sof_ipc_tplg_widget_ops { 138 int (*ipc_setup)(struct snd_sof_widget *swidget); 139 void (*ipc_free)(struct snd_sof_widget *swidget); 140 enum sof_tokens *token_list; 141 int token_list_size; 142 int (*bind_event)(struct snd_soc_component *scomp, struct snd_sof_widget *swidget, 143 u16 event_type); 144 int (*ipc_prepare)(struct snd_sof_widget *swidget, 145 struct snd_pcm_hw_params *fe_params, 146 struct snd_sof_platform_stream_params *platform_params, 147 struct snd_pcm_hw_params *source_params, int dir); 148 void (*ipc_unprepare)(struct snd_sof_widget *swidget); 149 }; 150 151 /** 152 * struct sof_ipc_tplg_ops - IPC-specific topology ops 153 * @widget: Array of pointers to IPC-specific ops for widgets. This should always be of size 154 * SND_SOF_DAPM_TYPE_COUNT i.e one per widget type. Unsupported widget types will be 155 * initialized to 0. 156 * @control: Pointer to the IPC-specific ops for topology kcontrol IO 157 * @route_setup: Function pointer for setting up pipeline connections 158 * @route_free: Optional op for freeing pipeline connections. 159 * @token_list: List of all tokens supported by the IPC version. The size of the token_list 160 * array should be SOF_TOKEN_COUNT. The unused elements in the array will be 161 * initialized to 0. 162 * @control_setup: Function pointer for setting up kcontrol IPC-specific data 163 * @control_free: Function pointer for freeing kcontrol IPC-specific data 164 * @pipeline_complete: Function pointer for pipeline complete IPC 165 * @widget_setup: Function pointer for setting up setup in the DSP 166 * @widget_free: Function pointer for freeing widget in the DSP 167 * @dai_config: Function pointer for sending DAI config IPC to the DSP 168 * @dai_get_clk: Function pointer for getting the DAI clock setting 169 * @set_up_all_pipelines: Function pointer for setting up all topology pipelines 170 * @tear_down_all_pipelines: Function pointer for tearing down all topology pipelines 171 */ 172 struct sof_ipc_tplg_ops { 173 const struct sof_ipc_tplg_widget_ops *widget; 174 const struct sof_ipc_tplg_control_ops *control; 175 int (*route_setup)(struct snd_sof_dev *sdev, struct snd_sof_route *sroute); 176 int (*route_free)(struct snd_sof_dev *sdev, struct snd_sof_route *sroute); 177 const struct sof_token_info *token_list; 178 int (*control_setup)(struct snd_sof_dev *sdev, struct snd_sof_control *scontrol); 179 int (*control_free)(struct snd_sof_dev *sdev, struct snd_sof_control *scontrol); 180 int (*pipeline_complete)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget); 181 int (*widget_setup)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget); 182 int (*widget_free)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget); 183 int (*dai_config)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget, 184 unsigned int flags, struct snd_sof_dai_config_data *data); 185 int (*dai_get_clk)(struct snd_sof_dev *sdev, struct snd_sof_dai *dai, int clk_type); 186 int (*set_up_all_pipelines)(struct snd_sof_dev *sdev, bool verify); 187 int (*tear_down_all_pipelines)(struct snd_sof_dev *sdev, bool verify); 188 }; 189 190 /** struct snd_sof_tuple - Tuple info 191 * @token: Token ID 192 * @value: union of a string or a u32 values 193 */ 194 struct snd_sof_tuple { 195 u32 token; 196 union { 197 u32 v; 198 const char *s; 199 } value; 200 }; 201 202 /* 203 * List of SOF token ID's. The order of ID's does not matter as token arrays are looked up based on 204 * the ID. 205 */ 206 enum sof_tokens { 207 SOF_PCM_TOKENS, 208 SOF_PIPELINE_TOKENS, 209 SOF_SCHED_TOKENS, 210 SOF_ASRC_TOKENS, 211 SOF_SRC_TOKENS, 212 SOF_COMP_TOKENS, 213 SOF_BUFFER_TOKENS, 214 SOF_VOLUME_TOKENS, 215 SOF_PROCESS_TOKENS, 216 SOF_DAI_TOKENS, 217 SOF_DAI_LINK_TOKENS, 218 SOF_HDA_TOKENS, 219 SOF_SSP_TOKENS, 220 SOF_ALH_TOKENS, 221 SOF_DMIC_TOKENS, 222 SOF_DMIC_PDM_TOKENS, 223 SOF_ESAI_TOKENS, 224 SOF_SAI_TOKENS, 225 SOF_AFE_TOKENS, 226 SOF_CORE_TOKENS, 227 SOF_COMP_EXT_TOKENS, 228 229 /* this should be the last */ 230 SOF_TOKEN_COUNT, 231 }; 232 233 /** 234 * struct sof_topology_token - SOF topology token definition 235 * @token: Token number 236 * @type: Token type 237 * @get_token: Function pointer to parse the token value and save it in a object 238 * @offset: Offset within an object to save the token value into 239 */ 240 struct sof_topology_token { 241 u32 token; 242 u32 type; 243 int (*get_token)(void *elem, void *object, u32 offset); 244 u32 offset; 245 }; 246 247 struct sof_token_info { 248 const char *name; 249 const struct sof_topology_token *tokens; 250 int count; 251 }; 252 253 /* PCM stream, mapped to FW component */ 254 struct snd_sof_pcm_stream { 255 u32 comp_id; 256 struct snd_dma_buffer page_table; 257 struct sof_ipc_stream_posn posn; 258 struct snd_pcm_substream *substream; 259 struct snd_compr_stream *cstream; 260 struct work_struct period_elapsed_work; 261 struct snd_soc_dapm_widget_list *list; /* list of connected DAPM widgets */ 262 bool d0i3_compatible; /* DSP can be in D0I3 when this pcm is opened */ 263 /* 264 * flag to indicate that the DSP pipelines should be kept 265 * active or not while suspending the stream 266 */ 267 bool suspend_ignored; 268 }; 269 270 /* ALSA SOF PCM device */ 271 struct snd_sof_pcm { 272 struct snd_soc_component *scomp; 273 struct snd_soc_tplg_pcm pcm; 274 struct snd_sof_pcm_stream stream[2]; 275 struct list_head list; /* list in sdev pcm list */ 276 struct snd_pcm_hw_params params[2]; 277 bool prepared[2]; /* PCM_PARAMS set successfully */ 278 }; 279 280 struct snd_sof_led_control { 281 unsigned int use_led; 282 unsigned int direction; 283 int led_value; 284 }; 285 286 /* ALSA SOF Kcontrol device */ 287 struct snd_sof_control { 288 struct snd_soc_component *scomp; 289 const char *name; 290 int comp_id; 291 int min_volume_step; /* min volume step for volume_table */ 292 int max_volume_step; /* max volume step for volume_table */ 293 int num_channels; 294 unsigned int access; 295 int info_type; 296 int index; /* pipeline ID */ 297 void *priv; /* private data copied from topology */ 298 size_t priv_size; /* size of private data */ 299 size_t max_size; 300 void *ipc_control_data; 301 int max; /* applicable to volume controls */ 302 u32 size; /* cdata size */ 303 u32 *volume_table; /* volume table computed from tlv data*/ 304 305 struct list_head list; /* list in sdev control list */ 306 307 struct snd_sof_led_control led_ctl; 308 309 /* if true, the control's data needs to be updated from Firmware */ 310 bool comp_data_dirty; 311 }; 312 313 /** struct snd_sof_dai_link - DAI link info 314 * @tuples: array of parsed tuples 315 * @num_tuples: number of tuples in the tuples array 316 * @link: Pointer to snd_soc_dai_link 317 * @hw_configs: Pointer to hw configs in topology 318 * @num_hw_configs: Number of hw configs in topology 319 * @default_hw_cfg_id: Default hw config ID 320 * @type: DAI type 321 * @list: item in snd_sof_dev dai_link list 322 */ 323 struct snd_sof_dai_link { 324 struct snd_sof_tuple *tuples; 325 int num_tuples; 326 struct snd_soc_dai_link *link; 327 struct snd_soc_tplg_hw_config *hw_configs; 328 int num_hw_configs; 329 int default_hw_cfg_id; 330 int type; 331 struct list_head list; 332 }; 333 334 /* ASoC SOF DAPM widget */ 335 struct snd_sof_widget { 336 struct snd_soc_component *scomp; 337 int comp_id; 338 int pipeline_id; 339 /* 340 * complete flag is used to indicate that pipeline set up is complete for scheduler type 341 * widgets. It is unused for all other widget types. 342 */ 343 int complete; 344 /* 345 * the prepared flag is used to indicate that a widget has been prepared for getting set 346 * up in the DSP. 347 */ 348 bool prepared; 349 int use_count; /* use_count will be protected by the PCM mutex held by the core */ 350 int core; 351 int id; /* id is the DAPM widget type */ 352 /* 353 * Instance ID is set dynamically when the widget gets set up in the FW. It should be 354 * unique for each module type across all pipelines. This will not be used in SOF_IPC. 355 */ 356 int instance_id; 357 358 /* 359 * Flag indicating if the widget should be set up dynamically when a PCM is opened. 360 * This flag is only set for the scheduler type widget in topology. During topology 361 * loading, this flag is propagated to all the widgets belonging to the same pipeline. 362 * When this flag is not set, a widget is set up at the time of topology loading 363 * and retained until the DSP enters D3. It will need to be set up again when resuming 364 * from D3. 365 */ 366 bool dynamic_pipeline_widget; 367 368 struct snd_soc_dapm_widget *widget; 369 struct list_head list; /* list in sdev widget list */ 370 struct snd_sof_widget *pipe_widget; 371 void *module_info; 372 373 const guid_t uuid; 374 375 int num_tuples; 376 struct snd_sof_tuple *tuples; 377 378 void *private; /* core does not touch this */ 379 }; 380 381 /* ASoC SOF DAPM route */ 382 struct snd_sof_route { 383 struct snd_soc_component *scomp; 384 385 struct snd_soc_dapm_route *route; 386 struct list_head list; /* list in sdev route list */ 387 struct snd_sof_widget *src_widget; 388 struct snd_sof_widget *sink_widget; 389 bool setup; 390 391 void *private; 392 }; 393 394 /* ASoC DAI device */ 395 struct snd_sof_dai { 396 struct snd_soc_component *scomp; 397 const char *name; 398 399 int number_configs; 400 int current_config; 401 struct list_head list; /* list in sdev dai list */ 402 void *private; 403 }; 404 405 /* 406 * Kcontrols. 407 */ 408 409 int snd_sof_volume_get(struct snd_kcontrol *kcontrol, 410 struct snd_ctl_elem_value *ucontrol); 411 int snd_sof_volume_put(struct snd_kcontrol *kcontrol, 412 struct snd_ctl_elem_value *ucontrol); 413 int snd_sof_volume_info(struct snd_kcontrol *kcontrol, 414 struct snd_ctl_elem_info *uinfo); 415 int snd_sof_switch_get(struct snd_kcontrol *kcontrol, 416 struct snd_ctl_elem_value *ucontrol); 417 int snd_sof_switch_put(struct snd_kcontrol *kcontrol, 418 struct snd_ctl_elem_value *ucontrol); 419 int snd_sof_enum_get(struct snd_kcontrol *kcontrol, 420 struct snd_ctl_elem_value *ucontrol); 421 int snd_sof_enum_put(struct snd_kcontrol *kcontrol, 422 struct snd_ctl_elem_value *ucontrol); 423 int snd_sof_bytes_get(struct snd_kcontrol *kcontrol, 424 struct snd_ctl_elem_value *ucontrol); 425 int snd_sof_bytes_put(struct snd_kcontrol *kcontrol, 426 struct snd_ctl_elem_value *ucontrol); 427 int snd_sof_bytes_ext_put(struct snd_kcontrol *kcontrol, 428 const unsigned int __user *binary_data, 429 unsigned int size); 430 int snd_sof_bytes_ext_get(struct snd_kcontrol *kcontrol, 431 unsigned int __user *binary_data, 432 unsigned int size); 433 int snd_sof_bytes_ext_volatile_get(struct snd_kcontrol *kcontrol, unsigned int __user *binary_data, 434 unsigned int size); 435 void snd_sof_control_notify(struct snd_sof_dev *sdev, 436 struct sof_ipc_ctrl_data *cdata); 437 438 /* 439 * Topology. 440 * There is no snd_sof_free_topology since topology components will 441 * be freed by snd_soc_unregister_component, 442 */ 443 int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file); 444 445 /* 446 * Stream IPC 447 */ 448 int snd_sof_ipc_stream_posn(struct snd_soc_component *scomp, 449 struct snd_sof_pcm *spcm, int direction, 450 struct sof_ipc_stream_posn *posn); 451 452 struct snd_sof_widget *snd_sof_find_swidget(struct snd_soc_component *scomp, 453 const char *name); 454 struct snd_sof_widget * 455 snd_sof_find_swidget_sname(struct snd_soc_component *scomp, 456 const char *pcm_name, int dir); 457 struct snd_sof_dai *snd_sof_find_dai(struct snd_soc_component *scomp, 458 const char *name); 459 460 static inline 461 struct snd_sof_pcm *snd_sof_find_spcm_dai(struct snd_soc_component *scomp, 462 struct snd_soc_pcm_runtime *rtd) 463 { 464 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 465 struct snd_sof_pcm *spcm; 466 467 list_for_each_entry(spcm, &sdev->pcm_list, list) { 468 if (le32_to_cpu(spcm->pcm.dai_id) == rtd->dai_link->id) 469 return spcm; 470 } 471 472 return NULL; 473 } 474 475 struct snd_sof_pcm *snd_sof_find_spcm_name(struct snd_soc_component *scomp, 476 const char *name); 477 struct snd_sof_pcm *snd_sof_find_spcm_comp(struct snd_soc_component *scomp, 478 unsigned int comp_id, 479 int *direction); 480 void snd_sof_pcm_period_elapsed(struct snd_pcm_substream *substream); 481 void snd_sof_pcm_init_elapsed_work(struct work_struct *work); 482 483 #if IS_ENABLED(CONFIG_SND_SOC_SOF_COMPRESS) 484 void snd_sof_compr_fragment_elapsed(struct snd_compr_stream *cstream); 485 void snd_sof_compr_init_elapsed_work(struct work_struct *work); 486 #else 487 static inline void snd_sof_compr_fragment_elapsed(struct snd_compr_stream *cstream) { } 488 static inline void snd_sof_compr_init_elapsed_work(struct work_struct *work) { } 489 #endif 490 491 /* DAI link fixup */ 492 int sof_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params); 493 494 /* PM */ 495 bool snd_sof_stream_suspend_ignored(struct snd_sof_dev *sdev); 496 bool snd_sof_dsp_only_d0i3_compatible_stream_active(struct snd_sof_dev *sdev); 497 498 /* Machine driver enumeration */ 499 int sof_machine_register(struct snd_sof_dev *sdev, void *pdata); 500 void sof_machine_unregister(struct snd_sof_dev *sdev, void *pdata); 501 502 int sof_widget_setup(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget); 503 int sof_widget_free(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget); 504 int sof_route_setup(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *wsource, 505 struct snd_soc_dapm_widget *wsink); 506 507 /* PCM */ 508 int sof_widget_list_setup(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm, 509 struct snd_pcm_hw_params *fe_params, 510 struct snd_sof_platform_stream_params *platform_params, 511 int dir); 512 int sof_widget_list_free(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm, int dir); 513 int sof_pcm_dsp_pcm_free(struct snd_pcm_substream *substream, struct snd_sof_dev *sdev, 514 struct snd_sof_pcm *spcm); 515 int sof_pcm_stream_free(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream, 516 struct snd_sof_pcm *spcm, int dir, bool free_widget_list); 517 int get_token_u32(void *elem, void *object, u32 offset); 518 int get_token_u16(void *elem, void *object, u32 offset); 519 int get_token_comp_format(void *elem, void *object, u32 offset); 520 int get_token_dai_type(void *elem, void *object, u32 offset); 521 int get_token_uuid(void *elem, void *object, u32 offset); 522 int sof_update_ipc_object(struct snd_soc_component *scomp, void *object, enum sof_tokens token_id, 523 struct snd_sof_tuple *tuples, int num_tuples, 524 size_t object_size, int token_instance_num); 525 u32 vol_compute_gain(u32 value, int *tlv); 526 #endif 527