xref: /linux/sound/soc/sof/sof-audio.h (revision e91c37f1)
1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
2 /*
3  * This file is provided under a dual BSD/GPLv2 license.  When using or
4  * redistributing this file, you may do so under either license.
5  *
6  * Copyright(c) 2019 Intel Corporation. All rights reserved.
7  *
8  * Author: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
9  */
10 
11 #ifndef __SOUND_SOC_SOF_AUDIO_H
12 #define __SOUND_SOC_SOF_AUDIO_H
13 
14 #include <linux/workqueue.h>
15 
16 #include <sound/soc.h>
17 #include <sound/control.h>
18 #include <sound/sof/stream.h> /* needs to be included before control.h */
19 #include <sound/sof/control.h>
20 #include <sound/sof/dai.h>
21 #include <sound/sof/topology.h>
22 #include "sof-priv.h"
23 
24 #define SOF_AUDIO_PCM_DRV_NAME	"sof-audio-component"
25 
26 /*
27  * The ipc4 firmware only supports up to 8 sink or source pins
28  * per widget, because only 3 bits are used for queue(pin) ID
29  * in ipc4 protocol.
30  */
31 #define SOF_WIDGET_MAX_NUM_PINS	8
32 
33 /* Widget pin type */
34 #define SOF_PIN_TYPE_INPUT	0
35 #define SOF_PIN_TYPE_OUTPUT	1
36 
37 /* max number of FE PCMs before BEs */
38 #define SOF_BE_PCM_BASE		16
39 
40 #define DMA_CHAN_INVALID	0xFFFFFFFF
41 
42 #define WIDGET_IS_DAI(id) ((id) == snd_soc_dapm_dai_in || (id) == snd_soc_dapm_dai_out)
43 #define WIDGET_IS_AIF(id) ((id) == snd_soc_dapm_aif_in || (id) == snd_soc_dapm_aif_out)
44 #define WIDGET_IS_AIF_OR_DAI(id) (WIDGET_IS_DAI(id) || WIDGET_IS_AIF(id))
45 #define WIDGET_IS_COPIER(id) (WIDGET_IS_AIF_OR_DAI(id) || (id) == snd_soc_dapm_buffer)
46 
47 #define SOF_DAI_CLK_INTEL_SSP_MCLK	0
48 #define SOF_DAI_CLK_INTEL_SSP_BCLK	1
49 
50 enum sof_widget_op {
51 	SOF_WIDGET_PREPARE,
52 	SOF_WIDGET_SETUP,
53 	SOF_WIDGET_FREE,
54 	SOF_WIDGET_UNPREPARE,
55 };
56 
57 /*
58  * Volume fractional word length define to 16 sets
59  * the volume linear gain value to use Qx.16 format
60  */
61 #define VOLUME_FWL	16
62 
63 #define SOF_TLV_ITEMS 3
64 
65 static inline u32 mixer_to_ipc(unsigned int value, u32 *volume_map, int size)
66 {
67 	if (value >= size)
68 		return volume_map[size - 1];
69 
70 	return volume_map[value];
71 }
72 
73 static inline u32 ipc_to_mixer(u32 value, u32 *volume_map, int size)
74 {
75 	int i;
76 
77 	for (i = 0; i < size; i++) {
78 		if (volume_map[i] >= value)
79 			return i;
80 	}
81 
82 	return i - 1;
83 }
84 
85 struct snd_sof_widget;
86 struct snd_sof_route;
87 struct snd_sof_control;
88 struct snd_sof_dai;
89 struct snd_sof_pcm;
90 
91 struct snd_sof_dai_config_data {
92 	int dai_index;
93 	int dai_data; /* contains DAI-specific information */
94 };
95 
96 /**
97  * struct sof_ipc_pcm_ops - IPC-specific PCM ops
98  * @hw_params: Function pointer for hw_params
99  * @hw_free: Function pointer for hw_free
100  * @trigger: Function pointer for trigger
101  * @dai_link_fixup: Function pointer for DAI link fixup
102  * @pcm_setup: Function pointer for IPC-specific PCM set up that can be used for allocating
103  *	       additional memory in the SOF PCM stream structure
104  * @pcm_free: Function pointer for PCM free that can be used for freeing any
105  *	       additional memory in the SOF PCM stream structure
106  * @delay: Function pointer for pcm delay calculation
107  * @reset_hw_params_during_stop: Flag indicating whether the hw_params should be reset during the
108  *				 STOP pcm trigger
109  * @ipc_first_on_start: Send IPC before invoking platform trigger during
110  *				START/PAUSE_RELEASE triggers
111  * @platform_stop_during_hw_free: Invoke the platform trigger during hw_free. This is needed for
112  *				  IPC4 where a pipeline is only paused during stop/pause/suspend
113  *				  triggers. The FW keeps the host DMA running in this case and
114  *				  therefore the host must do the same and should stop the DMA during
115  *				  hw_free.
116  */
117 struct sof_ipc_pcm_ops {
118 	int (*hw_params)(struct snd_soc_component *component, struct snd_pcm_substream *substream,
119 			 struct snd_pcm_hw_params *params,
120 			 struct snd_sof_platform_stream_params *platform_params);
121 	int (*hw_free)(struct snd_soc_component *component, struct snd_pcm_substream *substream);
122 	int (*trigger)(struct snd_soc_component *component,  struct snd_pcm_substream *substream,
123 		       int cmd);
124 	int (*dai_link_fixup)(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params);
125 	int (*pcm_setup)(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm);
126 	void (*pcm_free)(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm);
127 	snd_pcm_sframes_t (*delay)(struct snd_soc_component *component,
128 				   struct snd_pcm_substream *substream);
129 	bool reset_hw_params_during_stop;
130 	bool ipc_first_on_start;
131 	bool platform_stop_during_hw_free;
132 };
133 
134 /**
135  * struct sof_ipc_tplg_control_ops - IPC-specific ops for topology kcontrol IO
136  */
137 struct sof_ipc_tplg_control_ops {
138 	bool (*volume_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
139 	int (*volume_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
140 	bool (*switch_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
141 	int (*switch_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
142 	bool (*enum_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
143 	int (*enum_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
144 	int (*bytes_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
145 	int (*bytes_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
146 	int (*bytes_ext_get)(struct snd_sof_control *scontrol,
147 			     const unsigned int __user *binary_data, unsigned int size);
148 	int (*bytes_ext_volatile_get)(struct snd_sof_control *scontrol,
149 				      const unsigned int __user *binary_data, unsigned int size);
150 	int (*bytes_ext_put)(struct snd_sof_control *scontrol,
151 			     const unsigned int __user *binary_data, unsigned int size);
152 	/* update control data based on notification from the DSP */
153 	void (*update)(struct snd_sof_dev *sdev, void *ipc_control_message);
154 	/* Optional callback to setup kcontrols associated with an swidget */
155 	int (*widget_kcontrol_setup)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
156 	/* mandatory callback to set up volume table for volume kcontrols */
157 	int (*set_up_volume_table)(struct snd_sof_control *scontrol, int tlv[SOF_TLV_ITEMS],
158 				   int size);
159 };
160 
161 /**
162  * struct sof_ipc_tplg_widget_ops - IPC-specific ops for topology widgets
163  * @ipc_setup: Function pointer for setting up widget IPC params
164  * @ipc_free: Function pointer for freeing widget IPC params
165  * @token_list: List of token ID's that should be parsed for the widget
166  * @token_list_size: number of elements in token_list
167  * @bind_event: Function pointer for binding events to the widget
168  * @ipc_prepare: Optional op for preparing a widget for set up
169  * @ipc_unprepare: Optional op for unpreparing a widget
170  */
171 struct sof_ipc_tplg_widget_ops {
172 	int (*ipc_setup)(struct snd_sof_widget *swidget);
173 	void (*ipc_free)(struct snd_sof_widget *swidget);
174 	enum sof_tokens *token_list;
175 	int token_list_size;
176 	int (*bind_event)(struct snd_soc_component *scomp, struct snd_sof_widget *swidget,
177 			  u16 event_type);
178 	int (*ipc_prepare)(struct snd_sof_widget *swidget,
179 			   struct snd_pcm_hw_params *fe_params,
180 			   struct snd_sof_platform_stream_params *platform_params,
181 			   struct snd_pcm_hw_params *source_params, int dir);
182 	void (*ipc_unprepare)(struct snd_sof_widget *swidget);
183 };
184 
185 /**
186  * struct sof_ipc_tplg_ops - IPC-specific topology ops
187  * @widget: Array of pointers to IPC-specific ops for widgets. This should always be of size
188  *	    SND_SOF_DAPM_TYPE_COUNT i.e one per widget type. Unsupported widget types will be
189  *	    initialized to 0.
190  * @control: Pointer to the IPC-specific ops for topology kcontrol IO
191  * @route_setup: Function pointer for setting up pipeline connections
192  * @route_free: Function pointer for freeing pipeline connections.
193  * @token_list: List of all tokens supported by the IPC version. The size of the token_list
194  *		array should be SOF_TOKEN_COUNT. The unused elements in the array will be
195  *		initialized to 0.
196  * @control_setup: Function pointer for setting up kcontrol IPC-specific data
197  * @control_free: Function pointer for freeing kcontrol IPC-specific data
198  * @pipeline_complete: Function pointer for pipeline complete IPC
199  * @widget_setup: Function pointer for setting up setup in the DSP
200  * @widget_free: Function pointer for freeing widget in the DSP
201  * @dai_config: Function pointer for sending DAI config IPC to the DSP
202  * @dai_get_clk: Function pointer for getting the DAI clock setting
203  * @set_up_all_pipelines: Function pointer for setting up all topology pipelines
204  * @tear_down_all_pipelines: Function pointer for tearing down all topology pipelines
205  * @parse_manifest: Function pointer for ipc4 specific parsing of topology manifest
206  * @link_setup: Function pointer for IPC-specific DAI link set up
207  *
208  * Note: function pointers (ops) are optional
209  */
210 struct sof_ipc_tplg_ops {
211 	const struct sof_ipc_tplg_widget_ops *widget;
212 	const struct sof_ipc_tplg_control_ops *control;
213 	int (*route_setup)(struct snd_sof_dev *sdev, struct snd_sof_route *sroute);
214 	int (*route_free)(struct snd_sof_dev *sdev, struct snd_sof_route *sroute);
215 	const struct sof_token_info *token_list;
216 	int (*control_setup)(struct snd_sof_dev *sdev, struct snd_sof_control *scontrol);
217 	int (*control_free)(struct snd_sof_dev *sdev, struct snd_sof_control *scontrol);
218 	int (*pipeline_complete)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
219 	int (*widget_setup)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
220 	int (*widget_free)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
221 	int (*dai_config)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget,
222 			  unsigned int flags, struct snd_sof_dai_config_data *data);
223 	int (*dai_get_clk)(struct snd_sof_dev *sdev, struct snd_sof_dai *dai, int clk_type);
224 	int (*set_up_all_pipelines)(struct snd_sof_dev *sdev, bool verify);
225 	int (*tear_down_all_pipelines)(struct snd_sof_dev *sdev, bool verify);
226 	int (*parse_manifest)(struct snd_soc_component *scomp, int index,
227 			      struct snd_soc_tplg_manifest *man);
228 	int (*link_setup)(struct snd_sof_dev *sdev, struct snd_soc_dai_link *link);
229 };
230 
231 /** struct snd_sof_tuple - Tuple info
232  * @token:	Token ID
233  * @value:	union of a string or a u32 values
234  */
235 struct snd_sof_tuple {
236 	u32 token;
237 	union {
238 		u32 v;
239 		const char *s;
240 	} value;
241 };
242 
243 /*
244  * List of SOF token ID's. The order of ID's does not matter as token arrays are looked up based on
245  * the ID.
246  */
247 enum sof_tokens {
248 	SOF_PCM_TOKENS,
249 	SOF_PIPELINE_TOKENS,
250 	SOF_SCHED_TOKENS,
251 	SOF_ASRC_TOKENS,
252 	SOF_SRC_TOKENS,
253 	SOF_COMP_TOKENS,
254 	SOF_BUFFER_TOKENS,
255 	SOF_VOLUME_TOKENS,
256 	SOF_PROCESS_TOKENS,
257 	SOF_DAI_TOKENS,
258 	SOF_DAI_LINK_TOKENS,
259 	SOF_HDA_TOKENS,
260 	SOF_SSP_TOKENS,
261 	SOF_ALH_TOKENS,
262 	SOF_DMIC_TOKENS,
263 	SOF_DMIC_PDM_TOKENS,
264 	SOF_ESAI_TOKENS,
265 	SOF_SAI_TOKENS,
266 	SOF_AFE_TOKENS,
267 	SOF_CORE_TOKENS,
268 	SOF_COMP_EXT_TOKENS,
269 	SOF_IN_AUDIO_FORMAT_TOKENS,
270 	SOF_OUT_AUDIO_FORMAT_TOKENS,
271 	SOF_COPIER_DEEP_BUFFER_TOKENS,
272 	SOF_COPIER_TOKENS,
273 	SOF_AUDIO_FMT_NUM_TOKENS,
274 	SOF_COPIER_FORMAT_TOKENS,
275 	SOF_GAIN_TOKENS,
276 	SOF_ACPDMIC_TOKENS,
277 	SOF_ACPI2S_TOKENS,
278 	SOF_MICFIL_TOKENS,
279 
280 	/* this should be the last */
281 	SOF_TOKEN_COUNT,
282 };
283 
284 /**
285  * struct sof_topology_token - SOF topology token definition
286  * @token:		Token number
287  * @type:		Token type
288  * @get_token:		Function pointer to parse the token value and save it in a object
289  * @offset:		Offset within an object to save the token value into
290  */
291 struct sof_topology_token {
292 	u32 token;
293 	u32 type;
294 	int (*get_token)(void *elem, void *object, u32 offset);
295 	u32 offset;
296 };
297 
298 struct sof_token_info {
299 	const char *name;
300 	const struct sof_topology_token *tokens;
301 	int count;
302 };
303 
304 /**
305  * struct snd_sof_pcm_stream_pipeline_list - List of pipelines associated with a PCM stream
306  * @count: number of pipeline widgets in the @pipe_widgets array
307  * @pipelines: array of pipelines
308  */
309 struct snd_sof_pcm_stream_pipeline_list {
310 	u32 count;
311 	struct snd_sof_pipeline **pipelines;
312 };
313 
314 /* PCM stream, mapped to FW component  */
315 struct snd_sof_pcm_stream {
316 	u32 comp_id;
317 	struct snd_dma_buffer page_table;
318 	struct sof_ipc_stream_posn posn;
319 	struct snd_pcm_substream *substream;
320 	struct snd_compr_stream *cstream;
321 	struct work_struct period_elapsed_work;
322 	struct snd_soc_dapm_widget_list *list; /* list of connected DAPM widgets */
323 	bool d0i3_compatible; /* DSP can be in D0I3 when this pcm is opened */
324 	/*
325 	 * flag to indicate that the DSP pipelines should be kept
326 	 * active or not while suspending the stream
327 	 */
328 	bool suspend_ignored;
329 	struct snd_sof_pcm_stream_pipeline_list pipeline_list;
330 
331 	/* used by IPC implementation and core does not touch it */
332 	void *private;
333 };
334 
335 /* ALSA SOF PCM device */
336 struct snd_sof_pcm {
337 	struct snd_soc_component *scomp;
338 	struct snd_soc_tplg_pcm pcm;
339 	struct snd_sof_pcm_stream stream[2];
340 	struct list_head list;	/* list in sdev pcm list */
341 	struct snd_pcm_hw_params params[2];
342 	bool prepared[2]; /* PCM_PARAMS set successfully */
343 };
344 
345 struct snd_sof_led_control {
346 	unsigned int use_led;
347 	unsigned int direction;
348 	int led_value;
349 };
350 
351 /* ALSA SOF Kcontrol device */
352 struct snd_sof_control {
353 	struct snd_soc_component *scomp;
354 	const char *name;
355 	int comp_id;
356 	int min_volume_step; /* min volume step for volume_table */
357 	int max_volume_step; /* max volume step for volume_table */
358 	int num_channels;
359 	unsigned int access;
360 	int info_type;
361 	int index; /* pipeline ID */
362 	void *priv; /* private data copied from topology */
363 	size_t priv_size; /* size of private data */
364 	size_t max_size;
365 	void *ipc_control_data;
366 	void *old_ipc_control_data;
367 	int max; /* applicable to volume controls */
368 	u32 size;	/* cdata size */
369 	u32 *volume_table; /* volume table computed from tlv data*/
370 
371 	struct list_head list;	/* list in sdev control list */
372 
373 	struct snd_sof_led_control led_ctl;
374 
375 	/* if true, the control's data needs to be updated from Firmware */
376 	bool comp_data_dirty;
377 };
378 
379 /** struct snd_sof_dai_link - DAI link info
380  * @tuples: array of parsed tuples
381  * @num_tuples: number of tuples in the tuples array
382  * @link: Pointer to snd_soc_dai_link
383  * @hw_configs: Pointer to hw configs in topology
384  * @num_hw_configs: Number of hw configs in topology
385  * @default_hw_cfg_id: Default hw config ID
386  * @type: DAI type
387  * @list: item in snd_sof_dev dai_link list
388  */
389 struct snd_sof_dai_link {
390 	struct snd_sof_tuple *tuples;
391 	int num_tuples;
392 	struct snd_soc_dai_link *link;
393 	struct snd_soc_tplg_hw_config *hw_configs;
394 	int num_hw_configs;
395 	int default_hw_cfg_id;
396 	int type;
397 	struct list_head list;
398 };
399 
400 /* ASoC SOF DAPM widget */
401 struct snd_sof_widget {
402 	struct snd_soc_component *scomp;
403 	int comp_id;
404 	int pipeline_id;
405 	/*
406 	 * the prepared flag is used to indicate that a widget has been prepared for getting set
407 	 * up in the DSP.
408 	 */
409 	bool prepared;
410 
411 	struct mutex setup_mutex; /* to protect the swidget setup and free operations */
412 
413 	/*
414 	 * use_count is protected by the PCM mutex held by the core and the
415 	 * setup_mutex against non stream domain races (kcontrol access for
416 	 * example)
417 	 */
418 	int use_count;
419 
420 	int core;
421 	int id; /* id is the DAPM widget type */
422 	/*
423 	 * Instance ID is set dynamically when the widget gets set up in the FW. It should be
424 	 * unique for each module type across all pipelines. This will not be used in SOF_IPC.
425 	 */
426 	int instance_id;
427 
428 	/*
429 	 * Flag indicating if the widget should be set up dynamically when a PCM is opened.
430 	 * This flag is only set for the scheduler type widget in topology. During topology
431 	 * loading, this flag is propagated to all the widgets belonging to the same pipeline.
432 	 * When this flag is not set, a widget is set up at the time of topology loading
433 	 * and retained until the DSP enters D3. It will need to be set up again when resuming
434 	 * from D3.
435 	 */
436 	bool dynamic_pipeline_widget;
437 
438 	struct snd_soc_dapm_widget *widget;
439 	struct list_head list;	/* list in sdev widget list */
440 	struct snd_sof_pipeline *spipe;
441 	void *module_info;
442 
443 	const guid_t uuid;
444 
445 	int num_tuples;
446 	struct snd_sof_tuple *tuples;
447 
448 	/*
449 	 * The allowed range for num_input/output_pins is [0, SOF_WIDGET_MAX_NUM_PINS].
450 	 * Widgets may have zero input or output pins, for example the tone widget has
451 	 * zero input pins.
452 	 */
453 	u32 num_input_pins;
454 	u32 num_output_pins;
455 
456 	/*
457 	 * The input/output pin binding array, it takes the form of
458 	 * [widget_name_connected_to_pin0, widget_name_connected_to_pin1, ...],
459 	 * with the index as the queue ID.
460 	 *
461 	 * The array is used for special pin binding. Note that even if there
462 	 * is only one input/output pin requires special pin binding, pin binding
463 	 * should be defined for all input/output pins in topology, for pin(s) that
464 	 * are not used, give the value "NotConnected".
465 	 *
466 	 * If pin binding is not defined in topology, nothing to parse in the kernel,
467 	 * input_pin_binding and output_pin_binding shall be NULL.
468 	 */
469 	char **input_pin_binding;
470 	char **output_pin_binding;
471 
472 	struct ida output_queue_ida;
473 	struct ida input_queue_ida;
474 
475 	void *private;		/* core does not touch this */
476 };
477 
478 /** struct snd_sof_pipeline - ASoC SOF pipeline
479  * @pipe_widget: Pointer to the pipeline widget
480  * @started_count: Count of number of PCM's that have started this pipeline
481  * @paused_count: Count of number of PCM's that have started and have currently paused this
482 		  pipeline
483  * @complete: flag used to indicate that pipeline set up is complete.
484  * @core_mask: Mask containing target cores for all modules in the pipeline
485  * @list: List item in sdev pipeline_list
486  */
487 struct snd_sof_pipeline {
488 	struct snd_sof_widget *pipe_widget;
489 	int started_count;
490 	int paused_count;
491 	int complete;
492 	unsigned long core_mask;
493 	struct list_head list;
494 };
495 
496 /* ASoC SOF DAPM route */
497 struct snd_sof_route {
498 	struct snd_soc_component *scomp;
499 
500 	struct snd_soc_dapm_route *route;
501 	struct list_head list;	/* list in sdev route list */
502 	struct snd_sof_widget *src_widget;
503 	struct snd_sof_widget *sink_widget;
504 	bool setup;
505 
506 	int src_queue_id;
507 	int dst_queue_id;
508 
509 	void *private;
510 };
511 
512 /* ASoC DAI device */
513 struct snd_sof_dai {
514 	struct snd_soc_component *scomp;
515 	const char *name;
516 
517 	int number_configs;
518 	int current_config;
519 	struct list_head list;	/* list in sdev dai list */
520 	/* core should not touch this */
521 	const void *platform_private;
522 	void *private;
523 };
524 
525 /*
526  * Kcontrols.
527  */
528 
529 int snd_sof_volume_get(struct snd_kcontrol *kcontrol,
530 		       struct snd_ctl_elem_value *ucontrol);
531 int snd_sof_volume_put(struct snd_kcontrol *kcontrol,
532 		       struct snd_ctl_elem_value *ucontrol);
533 int snd_sof_volume_info(struct snd_kcontrol *kcontrol,
534 			struct snd_ctl_elem_info *uinfo);
535 int snd_sof_switch_get(struct snd_kcontrol *kcontrol,
536 		       struct snd_ctl_elem_value *ucontrol);
537 int snd_sof_switch_put(struct snd_kcontrol *kcontrol,
538 		       struct snd_ctl_elem_value *ucontrol);
539 int snd_sof_enum_get(struct snd_kcontrol *kcontrol,
540 		     struct snd_ctl_elem_value *ucontrol);
541 int snd_sof_enum_put(struct snd_kcontrol *kcontrol,
542 		     struct snd_ctl_elem_value *ucontrol);
543 int snd_sof_bytes_get(struct snd_kcontrol *kcontrol,
544 		      struct snd_ctl_elem_value *ucontrol);
545 int snd_sof_bytes_put(struct snd_kcontrol *kcontrol,
546 		      struct snd_ctl_elem_value *ucontrol);
547 int snd_sof_bytes_ext_put(struct snd_kcontrol *kcontrol,
548 			  const unsigned int __user *binary_data,
549 			  unsigned int size);
550 int snd_sof_bytes_ext_get(struct snd_kcontrol *kcontrol,
551 			  unsigned int __user *binary_data,
552 			  unsigned int size);
553 int snd_sof_bytes_ext_volatile_get(struct snd_kcontrol *kcontrol, unsigned int __user *binary_data,
554 				   unsigned int size);
555 void snd_sof_control_notify(struct snd_sof_dev *sdev,
556 			    struct sof_ipc_ctrl_data *cdata);
557 
558 /*
559  * Topology.
560  * There is no snd_sof_free_topology since topology components will
561  * be freed by snd_soc_unregister_component,
562  */
563 int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file);
564 
565 /*
566  * Stream IPC
567  */
568 int snd_sof_ipc_stream_posn(struct snd_soc_component *scomp,
569 			    struct snd_sof_pcm *spcm, int direction,
570 			    struct sof_ipc_stream_posn *posn);
571 
572 struct snd_sof_widget *snd_sof_find_swidget(struct snd_soc_component *scomp,
573 					    const char *name);
574 struct snd_sof_widget *
575 snd_sof_find_swidget_sname(struct snd_soc_component *scomp,
576 			   const char *pcm_name, int dir);
577 struct snd_sof_dai *snd_sof_find_dai(struct snd_soc_component *scomp,
578 				     const char *name);
579 
580 static inline
581 struct snd_sof_pcm *snd_sof_find_spcm_dai(struct snd_soc_component *scomp,
582 					  struct snd_soc_pcm_runtime *rtd)
583 {
584 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
585 	struct snd_sof_pcm *spcm;
586 
587 	list_for_each_entry(spcm, &sdev->pcm_list, list) {
588 		if (le32_to_cpu(spcm->pcm.dai_id) == rtd->dai_link->id)
589 			return spcm;
590 	}
591 
592 	return NULL;
593 }
594 
595 struct snd_sof_pcm *snd_sof_find_spcm_name(struct snd_soc_component *scomp,
596 					   const char *name);
597 struct snd_sof_pcm *snd_sof_find_spcm_comp(struct snd_soc_component *scomp,
598 					   unsigned int comp_id,
599 					   int *direction);
600 void snd_sof_pcm_period_elapsed(struct snd_pcm_substream *substream);
601 void snd_sof_pcm_init_elapsed_work(struct work_struct *work);
602 
603 #if IS_ENABLED(CONFIG_SND_SOC_SOF_COMPRESS)
604 void snd_sof_compr_fragment_elapsed(struct snd_compr_stream *cstream);
605 void snd_sof_compr_init_elapsed_work(struct work_struct *work);
606 #else
607 static inline void snd_sof_compr_fragment_elapsed(struct snd_compr_stream *cstream) { }
608 static inline void snd_sof_compr_init_elapsed_work(struct work_struct *work) { }
609 #endif
610 
611 /* DAI link fixup */
612 int sof_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params);
613 
614 /* PM */
615 bool snd_sof_stream_suspend_ignored(struct snd_sof_dev *sdev);
616 bool snd_sof_dsp_only_d0i3_compatible_stream_active(struct snd_sof_dev *sdev);
617 
618 /* Machine driver enumeration */
619 int sof_machine_register(struct snd_sof_dev *sdev, void *pdata);
620 void sof_machine_unregister(struct snd_sof_dev *sdev, void *pdata);
621 
622 int sof_widget_setup(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
623 int sof_widget_free(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
624 int sof_route_setup(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *wsource,
625 		    struct snd_soc_dapm_widget *wsink);
626 
627 /* PCM */
628 int sof_widget_list_setup(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm,
629 			  struct snd_pcm_hw_params *fe_params,
630 			  struct snd_sof_platform_stream_params *platform_params,
631 			  int dir);
632 int sof_widget_list_free(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm, int dir);
633 int sof_pcm_dsp_pcm_free(struct snd_pcm_substream *substream, struct snd_sof_dev *sdev,
634 			 struct snd_sof_pcm *spcm);
635 int sof_pcm_stream_free(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream,
636 			struct snd_sof_pcm *spcm, int dir, bool free_widget_list);
637 int get_token_u32(void *elem, void *object, u32 offset);
638 int get_token_u16(void *elem, void *object, u32 offset);
639 int get_token_comp_format(void *elem, void *object, u32 offset);
640 int get_token_dai_type(void *elem, void *object, u32 offset);
641 int get_token_uuid(void *elem, void *object, u32 offset);
642 int get_token_string(void *elem, void *object, u32 offset);
643 int sof_update_ipc_object(struct snd_soc_component *scomp, void *object, enum sof_tokens token_id,
644 			  struct snd_sof_tuple *tuples, int num_tuples,
645 			  size_t object_size, int token_instance_num);
646 u32 vol_compute_gain(u32 value, int *tlv);
647 #endif
648