xref: /linux/sound/soc/sof/sof-audio.h (revision 06a130e42a5bfc84795464bff023bff4c16f58c5)
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
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_PARAM_INTEL_SSP_MCLK		0
48 #define SOF_DAI_PARAM_INTEL_SSP_BCLK		1
49 #define SOF_DAI_PARAM_INTEL_SSP_TDM_SLOTS	2
50 
51 enum sof_widget_op {
52 	SOF_WIDGET_PREPARE,
53 	SOF_WIDGET_SETUP,
54 	SOF_WIDGET_FREE,
55 	SOF_WIDGET_UNPREPARE,
56 };
57 
58 /*
59  * Volume fractional word length define to 16 sets
60  * the volume linear gain value to use Qx.16 format
61  */
62 #define VOLUME_FWL	16
63 
64 #define SOF_TLV_ITEMS 3
65 
66 static inline u32 mixer_to_ipc(unsigned int value, u32 *volume_map, int size)
67 {
68 	if (value >= size)
69 		return volume_map[size - 1];
70 
71 	return volume_map[value];
72 }
73 
74 static inline u32 ipc_to_mixer(u32 value, u32 *volume_map, int size)
75 {
76 	int i;
77 
78 	for (i = 0; i < size; i++) {
79 		if (volume_map[i] >= value)
80 			return i;
81 	}
82 
83 	return i - 1;
84 }
85 
86 struct snd_sof_widget;
87 struct snd_sof_route;
88 struct snd_sof_control;
89 struct snd_sof_dai;
90 struct snd_sof_pcm;
91 
92 struct snd_sof_dai_config_data {
93 	int dai_index;
94 	int dai_data; /* contains DAI-specific information */
95 	int dai_node_id; /* contains DAI-specific information for Gateway configuration */
96 };
97 
98 /**
99  * struct sof_ipc_pcm_ops - IPC-specific PCM ops
100  * @hw_params: Function pointer for hw_params
101  * @hw_free: Function pointer for hw_free
102  * @trigger: Function pointer for trigger
103  * @dai_link_fixup: Function pointer for DAI link fixup
104  * @pcm_setup: Function pointer for IPC-specific PCM set up that can be used for allocating
105  *	       additional memory in the SOF PCM stream structure
106  * @pcm_free: Function pointer for PCM free that can be used for freeing any
107  *	       additional memory in the SOF PCM stream structure
108  * @pointer: Function pointer for pcm pointer
109  *	     Note: the @pointer callback may return -EOPNOTSUPP which should be
110  *		   handled in a same way as if the callback is not provided
111  * @delay: Function pointer for pcm delay reporting
112  * @reset_hw_params_during_stop: Flag indicating whether the hw_params should be reset during the
113  *				 STOP pcm trigger
114  * @ipc_first_on_start: Send IPC before invoking platform trigger during
115  *				START/PAUSE_RELEASE triggers
116  * @platform_stop_during_hw_free: Invoke the platform trigger during hw_free. This is needed for
117  *				  IPC4 where a pipeline is only paused during stop/pause/suspend
118  *				  triggers. The FW keeps the host DMA running in this case and
119  *				  therefore the host must do the same and should stop the DMA during
120  *				  hw_free.
121  * @d0i3_supported_in_s0ix: Allow DSP D0I3 during S0iX
122  */
123 struct sof_ipc_pcm_ops {
124 	int (*hw_params)(struct snd_soc_component *component, struct snd_pcm_substream *substream,
125 			 struct snd_pcm_hw_params *params,
126 			 struct snd_sof_platform_stream_params *platform_params);
127 	int (*hw_free)(struct snd_soc_component *component, struct snd_pcm_substream *substream);
128 	int (*trigger)(struct snd_soc_component *component,  struct snd_pcm_substream *substream,
129 		       int cmd);
130 	int (*dai_link_fixup)(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params);
131 	int (*pcm_setup)(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm);
132 	void (*pcm_free)(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm);
133 	int (*pointer)(struct snd_soc_component *component,
134 		       struct snd_pcm_substream *substream,
135 		       snd_pcm_uframes_t *pointer);
136 	snd_pcm_sframes_t (*delay)(struct snd_soc_component *component,
137 				   struct snd_pcm_substream *substream);
138 	bool reset_hw_params_during_stop;
139 	bool ipc_first_on_start;
140 	bool platform_stop_during_hw_free;
141 	bool d0i3_supported_in_s0ix;
142 };
143 
144 /**
145  * struct sof_ipc_tplg_control_ops - IPC-specific ops for topology kcontrol IO
146  */
147 struct sof_ipc_tplg_control_ops {
148 	bool (*volume_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
149 	int (*volume_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
150 	bool (*switch_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
151 	int (*switch_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
152 	bool (*enum_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
153 	int (*enum_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
154 	int (*bytes_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
155 	int (*bytes_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
156 	int (*bytes_ext_get)(struct snd_sof_control *scontrol,
157 			     const unsigned int __user *binary_data, unsigned int size);
158 	int (*bytes_ext_volatile_get)(struct snd_sof_control *scontrol,
159 				      const unsigned int __user *binary_data, unsigned int size);
160 	int (*bytes_ext_put)(struct snd_sof_control *scontrol,
161 			     const unsigned int __user *binary_data, unsigned int size);
162 	/* update control data based on notification from the DSP */
163 	void (*update)(struct snd_sof_dev *sdev, void *ipc_control_message);
164 	/* Optional callback to setup kcontrols associated with an swidget */
165 	int (*widget_kcontrol_setup)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
166 	/* mandatory callback to set up volume table for volume kcontrols */
167 	int (*set_up_volume_table)(struct snd_sof_control *scontrol, int tlv[SOF_TLV_ITEMS],
168 				   int size);
169 };
170 
171 /**
172  * struct sof_ipc_tplg_widget_ops - IPC-specific ops for topology widgets
173  * @ipc_setup: Function pointer for setting up widget IPC params
174  * @ipc_free: Function pointer for freeing widget IPC params
175  * @token_list: List of token ID's that should be parsed for the widget
176  * @token_list_size: number of elements in token_list
177  * @bind_event: Function pointer for binding events to the widget
178  * @ipc_prepare: Optional op for preparing a widget for set up
179  * @ipc_unprepare: Optional op for unpreparing a widget
180  */
181 struct sof_ipc_tplg_widget_ops {
182 	int (*ipc_setup)(struct snd_sof_widget *swidget);
183 	void (*ipc_free)(struct snd_sof_widget *swidget);
184 	enum sof_tokens *token_list;
185 	int token_list_size;
186 	int (*bind_event)(struct snd_soc_component *scomp, struct snd_sof_widget *swidget,
187 			  u16 event_type);
188 	int (*ipc_prepare)(struct snd_sof_widget *swidget,
189 			   struct snd_pcm_hw_params *fe_params,
190 			   struct snd_sof_platform_stream_params *platform_params,
191 			   struct snd_pcm_hw_params *source_params, int dir);
192 	void (*ipc_unprepare)(struct snd_sof_widget *swidget);
193 };
194 
195 /**
196  * struct sof_ipc_tplg_ops - IPC-specific topology ops
197  * @widget: Array of pointers to IPC-specific ops for widgets. This should always be of size
198  *	    SND_SOF_DAPM_TYPE_COUNT i.e one per widget type. Unsupported widget types will be
199  *	    initialized to 0.
200  * @control: Pointer to the IPC-specific ops for topology kcontrol IO
201  * @route_setup: Function pointer for setting up pipeline connections
202  * @route_free: Function pointer for freeing pipeline connections.
203  * @token_list: List of all tokens supported by the IPC version. The size of the token_list
204  *		array should be SOF_TOKEN_COUNT. The unused elements in the array will be
205  *		initialized to 0.
206  * @control_setup: Function pointer for setting up kcontrol IPC-specific data
207  * @control_free: Function pointer for freeing kcontrol IPC-specific data
208  * @pipeline_complete: Function pointer for pipeline complete IPC
209  * @widget_setup: Function pointer for setting up setup in the DSP
210  * @widget_free: Function pointer for freeing widget in the DSP
211  * @dai_config: Function pointer for sending DAI config IPC to the DSP
212  * @dai_get_param: Function pointer for getting the DAI parameter
213  * @set_up_all_pipelines: Function pointer for setting up all topology pipelines
214  * @tear_down_all_pipelines: Function pointer for tearing down all topology pipelines
215  * @parse_manifest: Function pointer for ipc4 specific parsing of topology manifest
216  * @link_setup: Function pointer for IPC-specific DAI link set up
217  *
218  * Note: function pointers (ops) are optional
219  */
220 struct sof_ipc_tplg_ops {
221 	const struct sof_ipc_tplg_widget_ops *widget;
222 	const struct sof_ipc_tplg_control_ops *control;
223 	int (*route_setup)(struct snd_sof_dev *sdev, struct snd_sof_route *sroute);
224 	int (*route_free)(struct snd_sof_dev *sdev, struct snd_sof_route *sroute);
225 	const struct sof_token_info *token_list;
226 	int (*control_setup)(struct snd_sof_dev *sdev, struct snd_sof_control *scontrol);
227 	int (*control_free)(struct snd_sof_dev *sdev, struct snd_sof_control *scontrol);
228 	int (*pipeline_complete)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
229 	int (*widget_setup)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
230 	int (*widget_free)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
231 	int (*dai_config)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget,
232 			  unsigned int flags, struct snd_sof_dai_config_data *data);
233 	int (*dai_get_param)(struct snd_sof_dev *sdev, struct snd_sof_dai *dai, int param_type);
234 	int (*set_up_all_pipelines)(struct snd_sof_dev *sdev, bool verify);
235 	int (*tear_down_all_pipelines)(struct snd_sof_dev *sdev, bool verify);
236 	int (*parse_manifest)(struct snd_soc_component *scomp, int index,
237 			      struct snd_soc_tplg_manifest *man);
238 	int (*link_setup)(struct snd_sof_dev *sdev, struct snd_soc_dai_link *link);
239 };
240 
241 /** struct snd_sof_tuple - Tuple info
242  * @token:	Token ID
243  * @value:	union of a string or a u32 values
244  */
245 struct snd_sof_tuple {
246 	u32 token;
247 	union {
248 		u32 v;
249 		const char *s;
250 	} value;
251 };
252 
253 /*
254  * List of SOF token ID's. The order of ID's does not matter as token arrays are looked up based on
255  * the ID.
256  */
257 enum sof_tokens {
258 	SOF_PCM_TOKENS,
259 	SOF_PIPELINE_TOKENS,
260 	SOF_SCHED_TOKENS,
261 	SOF_ASRC_TOKENS,
262 	SOF_SRC_TOKENS,
263 	SOF_COMP_TOKENS,
264 	SOF_BUFFER_TOKENS,
265 	SOF_VOLUME_TOKENS,
266 	SOF_PROCESS_TOKENS,
267 	SOF_DAI_TOKENS,
268 	SOF_DAI_LINK_TOKENS,
269 	SOF_HDA_TOKENS,
270 	SOF_SSP_TOKENS,
271 	SOF_ALH_TOKENS,
272 	SOF_DMIC_TOKENS,
273 	SOF_DMIC_PDM_TOKENS,
274 	SOF_ESAI_TOKENS,
275 	SOF_SAI_TOKENS,
276 	SOF_AFE_TOKENS,
277 	SOF_CORE_TOKENS,
278 	SOF_COMP_EXT_TOKENS,
279 	SOF_IN_AUDIO_FORMAT_TOKENS,
280 	SOF_OUT_AUDIO_FORMAT_TOKENS,
281 	SOF_COPIER_DEEP_BUFFER_TOKENS,
282 	SOF_COPIER_TOKENS,
283 	SOF_AUDIO_FMT_NUM_TOKENS,
284 	SOF_COPIER_FORMAT_TOKENS,
285 	SOF_GAIN_TOKENS,
286 	SOF_ACPDMIC_TOKENS,
287 	SOF_ACPI2S_TOKENS,
288 	SOF_MICFIL_TOKENS,
289 	SOF_ACP_SDW_TOKENS,
290 
291 	/* this should be the last */
292 	SOF_TOKEN_COUNT,
293 };
294 
295 /**
296  * struct sof_topology_token - SOF topology token definition
297  * @token:		Token number
298  * @type:		Token type
299  * @get_token:		Function pointer to parse the token value and save it in a object
300  * @offset:		Offset within an object to save the token value into
301  */
302 struct sof_topology_token {
303 	u32 token;
304 	u32 type;
305 	int (*get_token)(void *elem, void *object, u32 offset);
306 	u32 offset;
307 };
308 
309 struct sof_token_info {
310 	const char *name;
311 	const struct sof_topology_token *tokens;
312 	int count;
313 };
314 
315 /**
316  * struct snd_sof_pcm_stream_pipeline_list - List of pipelines associated with a PCM stream
317  * @pipelines: array of pipelines
318  * @count: number of pipeline widgets in the @pipe_widgets array
319  */
320 struct snd_sof_pcm_stream_pipeline_list {
321 	struct snd_sof_pipeline **pipelines;
322 	u32 count;
323 };
324 
325 /* PCM stream, mapped to FW component  */
326 struct snd_sof_pcm_stream {
327 	u32 comp_id;
328 	struct snd_dma_buffer page_table;
329 	struct sof_ipc_stream_posn posn;
330 	struct snd_pcm_substream *substream;
331 	struct snd_compr_stream *cstream;
332 	struct work_struct period_elapsed_work;
333 	struct snd_soc_dapm_widget_list *list; /* list of connected DAPM widgets */
334 	bool d0i3_compatible; /* DSP can be in D0I3 when this pcm is opened */
335 	unsigned int dsp_max_burst_size_in_ms; /* The maximum size of the host DMA burst in ms */
336 	/*
337 	 * flag to indicate that the DSP pipelines should be kept
338 	 * active or not while suspending the stream
339 	 */
340 	bool suspend_ignored;
341 	struct snd_sof_pcm_stream_pipeline_list pipeline_list;
342 
343 	/* used by IPC implementation and core does not touch it */
344 	void *private;
345 };
346 
347 /* ALSA SOF PCM device */
348 struct snd_sof_pcm {
349 	struct snd_soc_component *scomp;
350 	struct snd_sof_pcm_stream stream[2];
351 	struct list_head list;	/* list in sdev pcm list */
352 	struct snd_pcm_hw_params params[2];
353 	bool prepared[2]; /* PCM_PARAMS set successfully */
354 	bool pending_stop[2]; /* only used if (!pcm_ops->platform_stop_during_hw_free) */
355 
356 	/* Must be last - ends in a flex-array member. */
357 	struct snd_soc_tplg_pcm pcm;
358 };
359 
360 struct snd_sof_led_control {
361 	unsigned int use_led;
362 	unsigned int direction;
363 	int led_value;
364 };
365 
366 /* ALSA SOF Kcontrol device */
367 struct snd_sof_control {
368 	struct snd_soc_component *scomp;
369 	const char *name;
370 	int comp_id;
371 	int min_volume_step; /* min volume step for volume_table */
372 	int max_volume_step; /* max volume step for volume_table */
373 	int num_channels;
374 	unsigned int access;
375 	int info_type;
376 	int index; /* pipeline ID */
377 	void *priv; /* private data copied from topology */
378 	size_t priv_size; /* size of private data */
379 	size_t max_size;
380 	void *ipc_control_data;
381 	void *old_ipc_control_data;
382 	int max; /* applicable to volume controls */
383 	u32 size;	/* cdata size */
384 	u32 *volume_table; /* volume table computed from tlv data*/
385 
386 	struct list_head list;	/* list in sdev control list */
387 
388 	struct snd_sof_led_control led_ctl;
389 
390 	/* if true, the control's data needs to be updated from Firmware */
391 	bool comp_data_dirty;
392 };
393 
394 /** struct snd_sof_dai_link - DAI link info
395  * @tuples: array of parsed tuples
396  * @num_tuples: number of tuples in the tuples array
397  * @link: Pointer to snd_soc_dai_link
398  * @hw_configs: Pointer to hw configs in topology
399  * @num_hw_configs: Number of hw configs in topology
400  * @default_hw_cfg_id: Default hw config ID
401  * @type: DAI type
402  * @list: item in snd_sof_dev dai_link list
403  */
404 struct snd_sof_dai_link {
405 	struct snd_sof_tuple *tuples;
406 	int num_tuples;
407 	struct snd_soc_dai_link *link;
408 	struct snd_soc_tplg_hw_config *hw_configs;
409 	int num_hw_configs;
410 	int default_hw_cfg_id;
411 	int type;
412 	struct list_head list;
413 };
414 
415 /* ASoC SOF DAPM widget */
416 struct snd_sof_widget {
417 	struct snd_soc_component *scomp;
418 	int comp_id;
419 	int pipeline_id;
420 	/*
421 	 * the prepared flag is used to indicate that a widget has been prepared for getting set
422 	 * up in the DSP.
423 	 */
424 	bool prepared;
425 
426 	struct mutex setup_mutex; /* to protect the swidget setup and free operations */
427 
428 	/*
429 	 * use_count is protected by the PCM mutex held by the core and the
430 	 * setup_mutex against non stream domain races (kcontrol access for
431 	 * example)
432 	 */
433 	int use_count;
434 
435 	int core;
436 	int id; /* id is the DAPM widget type */
437 	/*
438 	 * Instance ID is set dynamically when the widget gets set up in the FW. It should be
439 	 * unique for each module type across all pipelines. This will not be used in SOF_IPC.
440 	 */
441 	int instance_id;
442 
443 	/*
444 	 * Flag indicating if the widget should be set up dynamically when a PCM is opened.
445 	 * This flag is only set for the scheduler type widget in topology. During topology
446 	 * loading, this flag is propagated to all the widgets belonging to the same pipeline.
447 	 * When this flag is not set, a widget is set up at the time of topology loading
448 	 * and retained until the DSP enters D3. It will need to be set up again when resuming
449 	 * from D3.
450 	 */
451 	bool dynamic_pipeline_widget;
452 
453 	struct snd_soc_dapm_widget *widget;
454 	struct list_head list;	/* list in sdev widget list */
455 	struct snd_sof_pipeline *spipe;
456 	void *module_info;
457 
458 	const guid_t uuid;
459 
460 	int num_tuples;
461 	struct snd_sof_tuple *tuples;
462 
463 	/*
464 	 * The allowed range for num_input/output_pins is [0, SOF_WIDGET_MAX_NUM_PINS].
465 	 * Widgets may have zero input or output pins, for example the tone widget has
466 	 * zero input pins.
467 	 */
468 	u32 num_input_pins;
469 	u32 num_output_pins;
470 
471 	/*
472 	 * The input/output pin binding array, it takes the form of
473 	 * [widget_name_connected_to_pin0, widget_name_connected_to_pin1, ...],
474 	 * with the index as the queue ID.
475 	 *
476 	 * The array is used for special pin binding. Note that even if there
477 	 * is only one input/output pin requires special pin binding, pin binding
478 	 * should be defined for all input/output pins in topology, for pin(s) that
479 	 * are not used, give the value "NotConnected".
480 	 *
481 	 * If pin binding is not defined in topology, nothing to parse in the kernel,
482 	 * input_pin_binding and output_pin_binding shall be NULL.
483 	 */
484 	char **input_pin_binding;
485 	char **output_pin_binding;
486 
487 	struct ida output_queue_ida;
488 	struct ida input_queue_ida;
489 
490 	void *private;		/* core does not touch this */
491 };
492 
493 /** struct snd_sof_pipeline - ASoC SOF pipeline
494  * @pipe_widget: Pointer to the pipeline widget
495  * @started_count: Count of number of PCM's that have started this pipeline
496  * @paused_count: Count of number of PCM's that have started and have currently paused this
497 		  pipeline
498  * @complete: flag used to indicate that pipeline set up is complete.
499  * @core_mask: Mask containing target cores for all modules in the pipeline
500  * @list: List item in sdev pipeline_list
501  */
502 struct snd_sof_pipeline {
503 	struct snd_sof_widget *pipe_widget;
504 	int started_count;
505 	int paused_count;
506 	int complete;
507 	unsigned long core_mask;
508 	struct list_head list;
509 };
510 
511 /* ASoC SOF DAPM route */
512 struct snd_sof_route {
513 	struct snd_soc_component *scomp;
514 
515 	struct snd_soc_dapm_route *route;
516 	struct list_head list;	/* list in sdev route list */
517 	struct snd_sof_widget *src_widget;
518 	struct snd_sof_widget *sink_widget;
519 	bool setup;
520 
521 	int src_queue_id;
522 	int dst_queue_id;
523 
524 	void *private;
525 };
526 
527 /* ASoC DAI device */
528 struct snd_sof_dai {
529 	struct snd_soc_component *scomp;
530 	const char *name;
531 	u32 type;
532 
533 	int number_configs;
534 	int current_config;
535 	struct list_head list;	/* list in sdev dai list */
536 	/* core should not touch this */
537 	const void *platform_private;
538 	void *private;
539 };
540 
541 /*
542  * Kcontrols.
543  */
544 
545 int snd_sof_volume_get(struct snd_kcontrol *kcontrol,
546 		       struct snd_ctl_elem_value *ucontrol);
547 int snd_sof_volume_put(struct snd_kcontrol *kcontrol,
548 		       struct snd_ctl_elem_value *ucontrol);
549 int snd_sof_volume_info(struct snd_kcontrol *kcontrol,
550 			struct snd_ctl_elem_info *uinfo);
551 int snd_sof_switch_get(struct snd_kcontrol *kcontrol,
552 		       struct snd_ctl_elem_value *ucontrol);
553 int snd_sof_switch_put(struct snd_kcontrol *kcontrol,
554 		       struct snd_ctl_elem_value *ucontrol);
555 int snd_sof_enum_get(struct snd_kcontrol *kcontrol,
556 		     struct snd_ctl_elem_value *ucontrol);
557 int snd_sof_enum_put(struct snd_kcontrol *kcontrol,
558 		     struct snd_ctl_elem_value *ucontrol);
559 int snd_sof_bytes_get(struct snd_kcontrol *kcontrol,
560 		      struct snd_ctl_elem_value *ucontrol);
561 int snd_sof_bytes_put(struct snd_kcontrol *kcontrol,
562 		      struct snd_ctl_elem_value *ucontrol);
563 int snd_sof_bytes_ext_put(struct snd_kcontrol *kcontrol,
564 			  const unsigned int __user *binary_data,
565 			  unsigned int size);
566 int snd_sof_bytes_ext_get(struct snd_kcontrol *kcontrol,
567 			  unsigned int __user *binary_data,
568 			  unsigned int size);
569 int snd_sof_bytes_ext_volatile_get(struct snd_kcontrol *kcontrol, unsigned int __user *binary_data,
570 				   unsigned int size);
571 void snd_sof_control_notify(struct snd_sof_dev *sdev,
572 			    struct sof_ipc_ctrl_data *cdata);
573 
574 /*
575  * Topology.
576  * There is no snd_sof_free_topology since topology components will
577  * be freed by snd_soc_unregister_component,
578  */
579 int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file);
580 
581 /*
582  * Stream IPC
583  */
584 int snd_sof_ipc_stream_posn(struct snd_soc_component *scomp,
585 			    struct snd_sof_pcm *spcm, int direction,
586 			    struct sof_ipc_stream_posn *posn);
587 
588 struct snd_sof_widget *snd_sof_find_swidget(struct snd_soc_component *scomp,
589 					    const char *name);
590 struct snd_sof_widget *
591 snd_sof_find_swidget_sname(struct snd_soc_component *scomp,
592 			   const char *pcm_name, int dir);
593 struct snd_sof_dai *snd_sof_find_dai(struct snd_soc_component *scomp,
594 				     const char *name);
595 
596 static inline
597 struct snd_sof_pcm *snd_sof_find_spcm_dai(struct snd_soc_component *scomp,
598 					  struct snd_soc_pcm_runtime *rtd)
599 {
600 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
601 	struct snd_sof_pcm *spcm;
602 
603 	list_for_each_entry(spcm, &sdev->pcm_list, list) {
604 		if (le32_to_cpu(spcm->pcm.dai_id) == rtd->dai_link->id)
605 			return spcm;
606 	}
607 
608 	return NULL;
609 }
610 
611 struct snd_sof_pcm *snd_sof_find_spcm_name(struct snd_soc_component *scomp,
612 					   const char *name);
613 struct snd_sof_pcm *snd_sof_find_spcm_comp(struct snd_soc_component *scomp,
614 					   unsigned int comp_id,
615 					   int *direction);
616 void snd_sof_pcm_period_elapsed(struct snd_pcm_substream *substream);
617 void snd_sof_pcm_init_elapsed_work(struct work_struct *work);
618 
619 #if IS_ENABLED(CONFIG_SND_SOC_SOF_COMPRESS)
620 void snd_sof_compr_fragment_elapsed(struct snd_compr_stream *cstream);
621 void snd_sof_compr_init_elapsed_work(struct work_struct *work);
622 #else
623 static inline void snd_sof_compr_fragment_elapsed(struct snd_compr_stream *cstream) { }
624 static inline void snd_sof_compr_init_elapsed_work(struct work_struct *work) { }
625 #endif
626 
627 /* DAI link fixup */
628 int sof_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params);
629 
630 /* PM */
631 bool snd_sof_stream_suspend_ignored(struct snd_sof_dev *sdev);
632 bool snd_sof_dsp_only_d0i3_compatible_stream_active(struct snd_sof_dev *sdev);
633 
634 /* Machine driver enumeration */
635 int sof_machine_register(struct snd_sof_dev *sdev, void *pdata);
636 void sof_machine_unregister(struct snd_sof_dev *sdev, void *pdata);
637 
638 int sof_widget_setup(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
639 int sof_widget_free(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
640 int sof_route_setup(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *wsource,
641 		    struct snd_soc_dapm_widget *wsink);
642 
643 /* PCM */
644 int sof_widget_list_setup(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm,
645 			  struct snd_pcm_hw_params *fe_params,
646 			  struct snd_sof_platform_stream_params *platform_params,
647 			  int dir);
648 int sof_widget_list_free(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm, int dir);
649 int sof_pcm_dsp_pcm_free(struct snd_pcm_substream *substream, struct snd_sof_dev *sdev,
650 			 struct snd_sof_pcm *spcm);
651 int sof_pcm_stream_free(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream,
652 			struct snd_sof_pcm *spcm, int dir, bool free_widget_list);
653 int get_token_u32(void *elem, void *object, u32 offset);
654 int get_token_u16(void *elem, void *object, u32 offset);
655 int get_token_comp_format(void *elem, void *object, u32 offset);
656 int get_token_dai_type(void *elem, void *object, u32 offset);
657 int get_token_uuid(void *elem, void *object, u32 offset);
658 int get_token_string(void *elem, void *object, u32 offset);
659 int sof_update_ipc_object(struct snd_soc_component *scomp, void *object, enum sof_tokens token_id,
660 			  struct snd_sof_tuple *tuples, int num_tuples,
661 			  size_t object_size, int token_instance_num);
662 u32 vol_compute_gain(u32 value, int *tlv);
663 #endif
664