1/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
2/*
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
5 *
6 * Copyright(c) 2019 Intel Corporation. All rights reserved.
7 *
8 * Author: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
9 */
10
11#ifndef __SOUND_SOC_SOF_AUDIO_H
12#define __SOUND_SOC_SOF_AUDIO_H
13
14#include <linux/workqueue.h>
15
16#include <sound/soc.h>
17#include <sound/control.h>
18#include <sound/sof/stream.h> /* needs to be included before control.h */
19#include <sound/sof/control.h>
20#include <sound/sof/dai.h>
21#include <sound/sof/topology.h>
22#include "sof-priv.h"
23
24#define SOF_AUDIO_PCM_DRV_NAME "sof-audio-component"
25
26/*
27 * The ipc4 firmware only supports up to 8 sink or source pins
28 * per widget, because only 3 bits are used for queue(pin) ID
29 * in ipc4 protocol.
30 */
31#define SOF_WIDGET_MAX_NUM_PINS 8
32
33/* Widget pin type */
34#define SOF_PIN_TYPE_INPUT 0
35#define SOF_PIN_TYPE_OUTPUT 1
36
37/* max number of FE PCMs before BEs */
38#define SOF_BE_PCM_BASE 16
39
40#define DMA_CHAN_INVALID 0xFFFFFFFF
41
42#define WIDGET_IS_DAI(id) ((id) == snd_soc_dapm_dai_in || (id) == snd_soc_dapm_dai_out)
43#define WIDGET_IS_AIF(id) ((id) == snd_soc_dapm_aif_in || (id) == snd_soc_dapm_aif_out)
44#define WIDGET_IS_AIF_OR_DAI(id) (WIDGET_IS_DAI(id) || WIDGET_IS_AIF(id))
45#define WIDGET_IS_COPIER(id) (WIDGET_IS_AIF_OR_DAI(id) || (id) == snd_soc_dapm_buffer)
46
47#define SOF_DAI_CLK_INTEL_SSP_MCLK 0
48#define SOF_DAI_CLK_INTEL_SSP_BCLK 1
49
50enum sof_widget_op {
51 SOF_WIDGET_PREPARE,
52 SOF_WIDGET_SETUP,
53 SOF_WIDGET_FREE,
54 SOF_WIDGET_UNPREPARE,
55};
56
57/*
58 * Volume fractional word length define to 16 sets
59 * the volume linear gain value to use Qx.16 format
60 */
61#define VOLUME_FWL 16
62
63#define SOF_TLV_ITEMS 3
64
65static inline u32 mixer_to_ipc(unsigned int value, u32 *volume_map, int size)
66{
67 if (value >= size)
68 return volume_map[size - 1];
69
70 return volume_map[value];
71}
72
73static inline u32 ipc_to_mixer(u32 value, u32 *volume_map, int size)
74{
75 int i;
76
77 for (i = 0; i < size; i++) {
78 if (volume_map[i] >= value)
79 return i;
80 }
81
82 return i - 1;
83}
84
85struct snd_sof_widget;
86struct snd_sof_route;
87struct snd_sof_control;
88struct snd_sof_dai;
89struct snd_sof_pcm;
90
91struct snd_sof_dai_config_data {
92 int dai_index;
93 int dai_data; /* contains DAI-specific information */
94};
95
96/**
97 * struct sof_ipc_pcm_ops - IPC-specific PCM ops
98 * @hw_params: Function pointer for hw_params
99 * @hw_free: Function pointer for hw_free
100 * @trigger: Function pointer for trigger
101 * @dai_link_fixup: Function pointer for DAI link fixup
102 * @pcm_setup: Function pointer for IPC-specific PCM set up that can be used for allocating
103 * additional memory in the SOF PCM stream structure
104 * @pcm_free: Function pointer for PCM free that can be used for freeing any
105 * additional memory in the SOF PCM stream structure
106 * @pointer: Function pointer for pcm pointer
107 * Note: the @pointer callback may return -EOPNOTSUPP which should be
108 * handled in a same way as if the callback is not provided
109 * @delay: Function pointer for pcm delay reporting
110 * @reset_hw_params_during_stop: Flag indicating whether the hw_params should be reset during the
111 * STOP pcm trigger
112 * @ipc_first_on_start: Send IPC before invoking platform trigger during
113 * START/PAUSE_RELEASE triggers
114 * @platform_stop_during_hw_free: Invoke the platform trigger during hw_free. This is needed for
115 * IPC4 where a pipeline is only paused during stop/pause/suspend
116 * triggers. The FW keeps the host DMA running in this case and
117 * therefore the host must do the same and should stop the DMA during
118 * hw_free.
119 */
120struct sof_ipc_pcm_ops {
121 int (*hw_params)(struct snd_soc_component *component, struct snd_pcm_substream *substream,
122 struct snd_pcm_hw_params *params,
123 struct snd_sof_platform_stream_params *platform_params);
124 int (*hw_free)(struct snd_soc_component *component, struct snd_pcm_substream *substream);
125 int (*trigger)(struct snd_soc_component *component, struct snd_pcm_substream *substream,
126 int cmd);
127 int (*dai_link_fixup)(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params);
128 int (*pcm_setup)(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm);
129 void (*pcm_free)(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm);
130 int (*pointer)(struct snd_soc_component *component,
131 struct snd_pcm_substream *substream,
132 snd_pcm_uframes_t *pointer);
133 snd_pcm_sframes_t (*delay)(struct snd_soc_component *component,
134 struct snd_pcm_substream *substream);
135 bool reset_hw_params_during_stop;
136 bool ipc_first_on_start;
137 bool platform_stop_during_hw_free;
138};
139
140/**
141 * struct sof_ipc_tplg_control_ops - IPC-specific ops for topology kcontrol IO
142 */
143struct sof_ipc_tplg_control_ops {
144 bool (*volume_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
145 int (*volume_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
146 bool (*switch_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
147 int (*switch_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
148 bool (*enum_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
149 int (*enum_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
150 int (*bytes_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
151 int (*bytes_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
152 int (*bytes_ext_get)(struct snd_sof_control *scontrol,
153 const unsigned int __user *binary_data, unsigned int size);
154 int (*bytes_ext_volatile_get)(struct snd_sof_control *scontrol,
155 const unsigned int __user *binary_data, unsigned int size);
156 int (*bytes_ext_put)(struct snd_sof_control *scontrol,
157 const unsigned int __user *binary_data, unsigned int size);
158 /* update control data based on notification from the DSP */
159 void (*update)(struct snd_sof_dev *sdev, void *ipc_control_message);
160 /* Optional callback to setup kcontrols associated with an swidget */
161 int (*widget_kcontrol_setup)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
162 /* mandatory callback to set up volume table for volume kcontrols */
163 int (*set_up_volume_table)(struct snd_sof_control *scontrol, int tlv[SOF_TLV_ITEMS],
164 int size);
165};
166
167/**
168 * struct sof_ipc_tplg_widget_ops - IPC-specific ops for topology widgets
169 * @ipc_setup: Function pointer for setting up widget IPC params
170 * @ipc_free: Function pointer for freeing widget IPC params
171 * @token_list: List of token ID's that should be parsed for the widget
172 * @token_list_size: number of elements in token_list
173 * @bind_event: Function pointer for binding events to the widget
174 * @ipc_prepare: Optional op for preparing a widget for set up
175 * @ipc_unprepare: Optional op for unpreparing a widget
176 */
177struct sof_ipc_tplg_widget_ops {
178 int (*ipc_setup)(struct snd_sof_widget *swidget);
179 void (*ipc_free)(struct snd_sof_widget *swidget);
180 enum sof_tokens *token_list;
181 int token_list_size;
182 int (*bind_event)(struct snd_soc_component *scomp, struct snd_sof_widget *swidget,
183 u16 event_type);
184 int (*ipc_prepare)(struct snd_sof_widget *swidget,
185 struct snd_pcm_hw_params *fe_params,
186 struct snd_sof_platform_stream_params *platform_params,
187 struct snd_pcm_hw_params *source_params, int dir);
188 void (*ipc_unprepare)(struct snd_sof_widget *swidget);
189};
190
191/**
192 * struct sof_ipc_tplg_ops - IPC-specific topology ops
193 * @widget: Array of pointers to IPC-specific ops for widgets. This should always be of size
194 * SND_SOF_DAPM_TYPE_COUNT i.e one per widget type. Unsupported widget types will be
195 * initialized to 0.
196 * @control: Pointer to the IPC-specific ops for topology kcontrol IO
197 * @route_setup: Function pointer for setting up pipeline connections
198 * @route_free: Function pointer for freeing pipeline connections.
199 * @token_list: List of all tokens supported by the IPC version. The size of the token_list
200 * array should be SOF_TOKEN_COUNT. The unused elements in the array will be
201 * initialized to 0.
202 * @control_setup: Function pointer for setting up kcontrol IPC-specific data
203 * @control_free: Function pointer for freeing kcontrol IPC-specific data
204 * @pipeline_complete: Function pointer for pipeline complete IPC
205 * @widget_setup: Function pointer for setting up setup in the DSP
206 * @widget_free: Function pointer for freeing widget in the DSP
207 * @dai_config: Function pointer for sending DAI config IPC to the DSP
208 * @dai_get_clk: Function pointer for getting the DAI clock setting
209 * @set_up_all_pipelines: Function pointer for setting up all topology pipelines
210 * @tear_down_all_pipelines: Function pointer for tearing down all topology pipelines
211 * @parse_manifest: Function pointer for ipc4 specific parsing of topology manifest
212 * @link_setup: Function pointer for IPC-specific DAI link set up
213 *
214 * Note: function pointers (ops) are optional
215 */
216struct sof_ipc_tplg_ops {
217 const struct sof_ipc_tplg_widget_ops *widget;
218 const struct sof_ipc_tplg_control_ops *control;
219 int (*route_setup)(struct snd_sof_dev *sdev, struct snd_sof_route *sroute);
220 int (*route_free)(struct snd_sof_dev *sdev, struct snd_sof_route *sroute);
221 const struct sof_token_info *token_list;
222 int (*control_setup)(struct snd_sof_dev *sdev, struct snd_sof_control *scontrol);
223 int (*control_free)(struct snd_sof_dev *sdev, struct snd_sof_control *scontrol);
224 int (*pipeline_complete)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
225 int (*widget_setup)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
226 int (*widget_free)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
227 int (*dai_config)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget,
228 unsigned int flags, struct snd_sof_dai_config_data *data);
229 int (*dai_get_clk)(struct snd_sof_dev *sdev, struct snd_sof_dai *dai, int clk_type);
230 int (*set_up_all_pipelines)(struct snd_sof_dev *sdev, bool verify);
231 int (*tear_down_all_pipelines)(struct snd_sof_dev *sdev, bool verify);
232 int (*parse_manifest)(struct snd_soc_component *scomp, int index,
233 struct snd_soc_tplg_manifest *man);
234 int (*link_setup)(struct snd_sof_dev *sdev, struct snd_soc_dai_link *link);
235};
236
237/** struct snd_sof_tuple - Tuple info
238 * @token: Token ID
239 * @value: union of a string or a u32 values
240 */
241struct snd_sof_tuple {
242 u32 token;
243 union {
244 u32 v;
245 const char *s;
246 } value;
247};
248
249/*
250 * List of SOF token ID's. The order of ID's does not matter as token arrays are looked up based on
251 * the ID.
252 */
253enum sof_tokens {
254 SOF_PCM_TOKENS,
255 SOF_PIPELINE_TOKENS,
256 SOF_SCHED_TOKENS,
257 SOF_ASRC_TOKENS,
258 SOF_SRC_TOKENS,
259 SOF_COMP_TOKENS,
260 SOF_BUFFER_TOKENS,
261 SOF_VOLUME_TOKENS,
262 SOF_PROCESS_TOKENS,
263 SOF_DAI_TOKENS,
264 SOF_DAI_LINK_TOKENS,
265 SOF_HDA_TOKENS,
266 SOF_SSP_TOKENS,
267 SOF_ALH_TOKENS,
268 SOF_DMIC_TOKENS,
269 SOF_DMIC_PDM_TOKENS,
270 SOF_ESAI_TOKENS,
271 SOF_SAI_TOKENS,
272 SOF_AFE_TOKENS,
273 SOF_CORE_TOKENS,
274 SOF_COMP_EXT_TOKENS,
275 SOF_IN_AUDIO_FORMAT_TOKENS,
276 SOF_OUT_AUDIO_FORMAT_TOKENS,
277 SOF_COPIER_DEEP_BUFFER_TOKENS,
278 SOF_COPIER_TOKENS,
279 SOF_AUDIO_FMT_NUM_TOKENS,
280 SOF_COPIER_FORMAT_TOKENS,
281 SOF_GAIN_TOKENS,
282 SOF_ACPDMIC_TOKENS,
283 SOF_ACPI2S_TOKENS,
284 SOF_MICFIL_TOKENS,
285 SOF_ACP_SDW_TOKENS,
286
287 /* this should be the last */
288 SOF_TOKEN_COUNT,
289};
290
291/**
292 * struct sof_topology_token - SOF topology token definition
293 * @token: Token number
294 * @type: Token type
295 * @get_token: Function pointer to parse the token value and save it in a object
296 * @offset: Offset within an object to save the token value into
297 */
298struct sof_topology_token {
299 u32 token;
300 u32 type;
301 int (*get_token)(void *elem, void *object, u32 offset);
302 u32 offset;
303};
304
305struct sof_token_info {
306 const char *name;
307 const struct sof_topology_token *tokens;
308 int count;
309};
310
311/**
312 * struct snd_sof_pcm_stream_pipeline_list - List of pipelines associated with a PCM stream
313 * @count: number of pipeline widgets in the @pipe_widgets array
314 * @pipelines: array of pipelines
315 */
316struct snd_sof_pcm_stream_pipeline_list {
317 u32 count;
318 struct snd_sof_pipeline **pipelines;
319};
320
321/* PCM stream, mapped to FW component */
322struct snd_sof_pcm_stream {
323 u32 comp_id;
324 struct snd_dma_buffer page_table;
325 struct sof_ipc_stream_posn posn;
326 struct snd_pcm_substream *substream;
327 struct snd_compr_stream *cstream;
328 struct work_struct period_elapsed_work;
329 struct snd_soc_dapm_widget_list *list; /* list of connected DAPM widgets */
330 bool d0i3_compatible; /* DSP can be in D0I3 when this pcm is opened */
331 unsigned int dsp_max_burst_size_in_ms; /* The maximum size of the host DMA burst in ms */
332 /*
333 * flag to indicate that the DSP pipelines should be kept
334 * active or not while suspending the stream
335 */
336 bool suspend_ignored;
337 struct snd_sof_pcm_stream_pipeline_list pipeline_list;
338
339 /* used by IPC implementation and core does not touch it */
340 void *private;
341};
342
343/* ALSA SOF PCM device */
344struct snd_sof_pcm {
345 struct snd_soc_component *scomp;
346 struct snd_soc_tplg_pcm pcm;
347 struct snd_sof_pcm_stream stream[2];
348 struct list_head list; /* list in sdev pcm list */
349 struct snd_pcm_hw_params params[2];
350 bool prepared[2]; /* PCM_PARAMS set successfully */
351};
352
353struct snd_sof_led_control {
354 unsigned int use_led;
355 unsigned int direction;
356 int led_value;
357};
358
359/* ALSA SOF Kcontrol device */
360struct snd_sof_control {
361 struct snd_soc_component *scomp;
362 const char *name;
363 int comp_id;
364 int min_volume_step; /* min volume step for volume_table */
365 int max_volume_step; /* max volume step for volume_table */
366 int num_channels;
367 unsigned int access;
368 int info_type;
369 int index; /* pipeline ID */
370 void *priv; /* private data copied from topology */
371 size_t priv_size; /* size of private data */
372 size_t max_size;
373 void *ipc_control_data;
374 void *old_ipc_control_data;
375 int max; /* applicable to volume controls */
376 u32 size; /* cdata size */
377 u32 *volume_table; /* volume table computed from tlv data*/
378
379 struct list_head list; /* list in sdev control list */
380
381 struct snd_sof_led_control led_ctl;
382
383 /* if true, the control's data needs to be updated from Firmware */
384 bool comp_data_dirty;
385};
386
387/** struct snd_sof_dai_link - DAI link info
388 * @tuples: array of parsed tuples
389 * @num_tuples: number of tuples in the tuples array
390 * @link: Pointer to snd_soc_dai_link
391 * @hw_configs: Pointer to hw configs in topology
392 * @num_hw_configs: Number of hw configs in topology
393 * @default_hw_cfg_id: Default hw config ID
394 * @type: DAI type
395 * @list: item in snd_sof_dev dai_link list
396 */
397struct snd_sof_dai_link {
398 struct snd_sof_tuple *tuples;
399 int num_tuples;
400 struct snd_soc_dai_link *link;
401 struct snd_soc_tplg_hw_config *hw_configs;
402 int num_hw_configs;
403 int default_hw_cfg_id;
404 int type;
405 struct list_head list;
406};
407
408/* ASoC SOF DAPM widget */
409struct snd_sof_widget {
410 struct snd_soc_component *scomp;
411 int comp_id;
412 int pipeline_id;
413 /*
414 * the prepared flag is used to indicate that a widget has been prepared for getting set
415 * up in the DSP.
416 */
417 bool prepared;
418
419 struct mutex setup_mutex; /* to protect the swidget setup and free operations */
420
421 /*
422 * use_count is protected by the PCM mutex held by the core and the
423 * setup_mutex against non stream domain races (kcontrol access for
424 * example)
425 */
426 int use_count;
427
428 int core;
429 int id; /* id is the DAPM widget type */
430 /*
431 * Instance ID is set dynamically when the widget gets set up in the FW. It should be
432 * unique for each module type across all pipelines. This will not be used in SOF_IPC.
433 */
434 int instance_id;
435
436 /*
437 * Flag indicating if the widget should be set up dynamically when a PCM is opened.
438 * This flag is only set for the scheduler type widget in topology. During topology
439 * loading, this flag is propagated to all the widgets belonging to the same pipeline.
440 * When this flag is not set, a widget is set up at the time of topology loading
441 * and retained until the DSP enters D3. It will need to be set up again when resuming
442 * from D3.
443 */
444 bool dynamic_pipeline_widget;
445
446 struct snd_soc_dapm_widget *widget;
447 struct list_head list; /* list in sdev widget list */
448 struct snd_sof_pipeline *spipe;
449 void *module_info;
450
451 const guid_t uuid;
452
453 int num_tuples;
454 struct snd_sof_tuple *tuples;
455
456 /*
457 * The allowed range for num_input/output_pins is [0, SOF_WIDGET_MAX_NUM_PINS].
458 * Widgets may have zero input or output pins, for example the tone widget has
459 * zero input pins.
460 */
461 u32 num_input_pins;
462 u32 num_output_pins;
463
464 /*
465 * The input/output pin binding array, it takes the form of
466 * [widget_name_connected_to_pin0, widget_name_connected_to_pin1, ...],
467 * with the index as the queue ID.
468 *
469 * The array is used for special pin binding. Note that even if there
470 * is only one input/output pin requires special pin binding, pin binding
471 * should be defined for all input/output pins in topology, for pin(s) that
472 * are not used, give the value "NotConnected".
473 *
474 * If pin binding is not defined in topology, nothing to parse in the kernel,
475 * input_pin_binding and output_pin_binding shall be NULL.
476 */
477 char **input_pin_binding;
478 char **output_pin_binding;
479
480 struct ida output_queue_ida;
481 struct ida input_queue_ida;
482
483 void *private; /* core does not touch this */
484};
485
486/** struct snd_sof_pipeline - ASoC SOF pipeline
487 * @pipe_widget: Pointer to the pipeline widget
488 * @started_count: Count of number of PCM's that have started this pipeline
489 * @paused_count: Count of number of PCM's that have started and have currently paused this
490 pipeline
491 * @complete: flag used to indicate that pipeline set up is complete.
492 * @core_mask: Mask containing target cores for all modules in the pipeline
493 * @list: List item in sdev pipeline_list
494 */
495struct snd_sof_pipeline {
496 struct snd_sof_widget *pipe_widget;
497 int started_count;
498 int paused_count;
499 int complete;
500 unsigned long core_mask;
501 struct list_head list;
502};
503
504/* ASoC SOF DAPM route */
505struct snd_sof_route {
506 struct snd_soc_component *scomp;
507
508 struct snd_soc_dapm_route *route;
509 struct list_head list; /* list in sdev route list */
510 struct snd_sof_widget *src_widget;
511 struct snd_sof_widget *sink_widget;
512 bool setup;
513
514 int src_queue_id;
515 int dst_queue_id;
516
517 void *private;
518};
519
520/* ASoC DAI device */
521struct snd_sof_dai {
522 struct snd_soc_component *scomp;
523 const char *name;
524 u32 type;
525
526 int number_configs;
527 int current_config;
528 struct list_head list; /* list in sdev dai list */
529 /* core should not touch this */
530 const void *platform_private;
531 void *private;
532};
533
534/*
535 * Kcontrols.
536 */
537
538int snd_sof_volume_get(struct snd_kcontrol *kcontrol,
539 struct snd_ctl_elem_value *ucontrol);
540int snd_sof_volume_put(struct snd_kcontrol *kcontrol,
541 struct snd_ctl_elem_value *ucontrol);
542int snd_sof_volume_info(struct snd_kcontrol *kcontrol,
543 struct snd_ctl_elem_info *uinfo);
544int snd_sof_switch_get(struct snd_kcontrol *kcontrol,
545 struct snd_ctl_elem_value *ucontrol);
546int snd_sof_switch_put(struct snd_kcontrol *kcontrol,
547 struct snd_ctl_elem_value *ucontrol);
548int snd_sof_enum_get(struct snd_kcontrol *kcontrol,
549 struct snd_ctl_elem_value *ucontrol);
550int snd_sof_enum_put(struct snd_kcontrol *kcontrol,
551 struct snd_ctl_elem_value *ucontrol);
552int snd_sof_bytes_get(struct snd_kcontrol *kcontrol,
553 struct snd_ctl_elem_value *ucontrol);
554int snd_sof_bytes_put(struct snd_kcontrol *kcontrol,
555 struct snd_ctl_elem_value *ucontrol);
556int snd_sof_bytes_ext_put(struct snd_kcontrol *kcontrol,
557 const unsigned int __user *binary_data,
558 unsigned int size);
559int snd_sof_bytes_ext_get(struct snd_kcontrol *kcontrol,
560 unsigned int __user *binary_data,
561 unsigned int size);
562int snd_sof_bytes_ext_volatile_get(struct snd_kcontrol *kcontrol, unsigned int __user *binary_data,
563 unsigned int size);
564void snd_sof_control_notify(struct snd_sof_dev *sdev,
565 struct sof_ipc_ctrl_data *cdata);
566
567/*
568 * Topology.
569 * There is no snd_sof_free_topology since topology components will
570 * be freed by snd_soc_unregister_component,
571 */
572int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file);
573
574/*
575 * Stream IPC
576 */
577int snd_sof_ipc_stream_posn(struct snd_soc_component *scomp,
578 struct snd_sof_pcm *spcm, int direction,
579 struct sof_ipc_stream_posn *posn);
580
581struct snd_sof_widget *snd_sof_find_swidget(struct snd_soc_component *scomp,
582 const char *name);
583struct snd_sof_widget *
584snd_sof_find_swidget_sname(struct snd_soc_component *scomp,
585 const char *pcm_name, int dir);
586struct snd_sof_dai *snd_sof_find_dai(struct snd_soc_component *scomp,
587 const char *name);
588
589static inline
590struct snd_sof_pcm *snd_sof_find_spcm_dai(struct snd_soc_component *scomp,
591 struct snd_soc_pcm_runtime *rtd)
592{
593 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(c: scomp);
594 struct snd_sof_pcm *spcm;
595
596 list_for_each_entry(spcm, &sdev->pcm_list, list) {
597 if (le32_to_cpu(spcm->pcm.dai_id) == rtd->dai_link->id)
598 return spcm;
599 }
600
601 return NULL;
602}
603
604struct snd_sof_pcm *snd_sof_find_spcm_name(struct snd_soc_component *scomp,
605 const char *name);
606struct snd_sof_pcm *snd_sof_find_spcm_comp(struct snd_soc_component *scomp,
607 unsigned int comp_id,
608 int *direction);
609void snd_sof_pcm_period_elapsed(struct snd_pcm_substream *substream);
610void snd_sof_pcm_init_elapsed_work(struct work_struct *work);
611
612#if IS_ENABLED(CONFIG_SND_SOC_SOF_COMPRESS)
613void snd_sof_compr_fragment_elapsed(struct snd_compr_stream *cstream);
614void snd_sof_compr_init_elapsed_work(struct work_struct *work);
615#else
616static inline void snd_sof_compr_fragment_elapsed(struct snd_compr_stream *cstream) { }
617static inline void snd_sof_compr_init_elapsed_work(struct work_struct *work) { }
618#endif
619
620/* DAI link fixup */
621int sof_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params);
622
623/* PM */
624bool snd_sof_stream_suspend_ignored(struct snd_sof_dev *sdev);
625bool snd_sof_dsp_only_d0i3_compatible_stream_active(struct snd_sof_dev *sdev);
626
627/* Machine driver enumeration */
628int sof_machine_register(struct snd_sof_dev *sdev, void *pdata);
629void sof_machine_unregister(struct snd_sof_dev *sdev, void *pdata);
630
631int sof_widget_setup(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
632int sof_widget_free(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
633int sof_route_setup(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *wsource,
634 struct snd_soc_dapm_widget *wsink);
635
636/* PCM */
637int sof_widget_list_setup(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm,
638 struct snd_pcm_hw_params *fe_params,
639 struct snd_sof_platform_stream_params *platform_params,
640 int dir);
641int sof_widget_list_free(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm, int dir);
642int sof_pcm_dsp_pcm_free(struct snd_pcm_substream *substream, struct snd_sof_dev *sdev,
643 struct snd_sof_pcm *spcm);
644int sof_pcm_stream_free(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream,
645 struct snd_sof_pcm *spcm, int dir, bool free_widget_list);
646int get_token_u32(void *elem, void *object, u32 offset);
647int get_token_u16(void *elem, void *object, u32 offset);
648int get_token_comp_format(void *elem, void *object, u32 offset);
649int get_token_dai_type(void *elem, void *object, u32 offset);
650int get_token_uuid(void *elem, void *object, u32 offset);
651int get_token_string(void *elem, void *object, u32 offset);
652int sof_update_ipc_object(struct snd_soc_component *scomp, void *object, enum sof_tokens token_id,
653 struct snd_sof_tuple *tuples, int num_tuples,
654 size_t object_size, int token_instance_num);
655u32 vol_compute_gain(u32 value, int *tlv);
656#endif
657

source code of linux/sound/soc/sof/sof-audio.h