xref: /linux/sound/soc/sof/sof-audio.h (revision b7df4cc3a088a8ce6973c96731bc792dbf54ce28)
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  * @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  * @d0i3_supported_in_s0ix: Allow DSP D0I3 during S0iX
120  */
121 struct sof_ipc_pcm_ops {
122 	int (*hw_params)(struct snd_soc_component *component, struct snd_pcm_substream *substream,
123 			 struct snd_pcm_hw_params *params,
124 			 struct snd_sof_platform_stream_params *platform_params);
125 	int (*hw_free)(struct snd_soc_component *component, struct snd_pcm_substream *substream);
126 	int (*trigger)(struct snd_soc_component *component,  struct snd_pcm_substream *substream,
127 		       int cmd);
128 	int (*dai_link_fixup)(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params);
129 	int (*pcm_setup)(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm);
130 	void (*pcm_free)(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm);
131 	int (*pointer)(struct snd_soc_component *component,
132 		       struct snd_pcm_substream *substream,
133 		       snd_pcm_uframes_t *pointer);
134 	snd_pcm_sframes_t (*delay)(struct snd_soc_component *component,
135 				   struct snd_pcm_substream *substream);
136 	bool reset_hw_params_during_stop;
137 	bool ipc_first_on_start;
138 	bool platform_stop_during_hw_free;
139 	bool d0i3_supported_in_s0ix;
140 };
141 
142 /**
143  * struct sof_ipc_tplg_control_ops - IPC-specific ops for topology kcontrol IO
144  */
145 struct sof_ipc_tplg_control_ops {
146 	bool (*volume_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
147 	int (*volume_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
148 	bool (*switch_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
149 	int (*switch_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
150 	bool (*enum_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
151 	int (*enum_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
152 	int (*bytes_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
153 	int (*bytes_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
154 	int (*bytes_ext_get)(struct snd_sof_control *scontrol,
155 			     const unsigned int __user *binary_data, unsigned int size);
156 	int (*bytes_ext_volatile_get)(struct snd_sof_control *scontrol,
157 				      const unsigned int __user *binary_data, unsigned int size);
158 	int (*bytes_ext_put)(struct snd_sof_control *scontrol,
159 			     const unsigned int __user *binary_data, unsigned int size);
160 	/* update control data based on notification from the DSP */
161 	void (*update)(struct snd_sof_dev *sdev, void *ipc_control_message);
162 	/* Optional callback to setup kcontrols associated with an swidget */
163 	int (*widget_kcontrol_setup)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
164 	/* mandatory callback to set up volume table for volume kcontrols */
165 	int (*set_up_volume_table)(struct snd_sof_control *scontrol, int tlv[SOF_TLV_ITEMS],
166 				   int size);
167 };
168 
169 /**
170  * struct sof_ipc_tplg_widget_ops - IPC-specific ops for topology widgets
171  * @ipc_setup: Function pointer for setting up widget IPC params
172  * @ipc_free: Function pointer for freeing widget IPC params
173  * @token_list: List of token ID's that should be parsed for the widget
174  * @token_list_size: number of elements in token_list
175  * @bind_event: Function pointer for binding events to the widget
176  * @ipc_prepare: Optional op for preparing a widget for set up
177  * @ipc_unprepare: Optional op for unpreparing a widget
178  */
179 struct sof_ipc_tplg_widget_ops {
180 	int (*ipc_setup)(struct snd_sof_widget *swidget);
181 	void (*ipc_free)(struct snd_sof_widget *swidget);
182 	enum sof_tokens *token_list;
183 	int token_list_size;
184 	int (*bind_event)(struct snd_soc_component *scomp, struct snd_sof_widget *swidget,
185 			  u16 event_type);
186 	int (*ipc_prepare)(struct snd_sof_widget *swidget,
187 			   struct snd_pcm_hw_params *fe_params,
188 			   struct snd_sof_platform_stream_params *platform_params,
189 			   struct snd_pcm_hw_params *source_params, int dir);
190 	void (*ipc_unprepare)(struct snd_sof_widget *swidget);
191 };
192 
193 /**
194  * struct sof_ipc_tplg_ops - IPC-specific topology ops
195  * @widget: Array of pointers to IPC-specific ops for widgets. This should always be of size
196  *	    SND_SOF_DAPM_TYPE_COUNT i.e one per widget type. Unsupported widget types will be
197  *	    initialized to 0.
198  * @control: Pointer to the IPC-specific ops for topology kcontrol IO
199  * @route_setup: Function pointer for setting up pipeline connections
200  * @route_free: Function pointer for freeing pipeline connections.
201  * @token_list: List of all tokens supported by the IPC version. The size of the token_list
202  *		array should be SOF_TOKEN_COUNT. The unused elements in the array will be
203  *		initialized to 0.
204  * @control_setup: Function pointer for setting up kcontrol IPC-specific data
205  * @control_free: Function pointer for freeing kcontrol IPC-specific data
206  * @pipeline_complete: Function pointer for pipeline complete IPC
207  * @widget_setup: Function pointer for setting up setup in the DSP
208  * @widget_free: Function pointer for freeing widget in the DSP
209  * @dai_config: Function pointer for sending DAI config IPC to the DSP
210  * @dai_get_clk: Function pointer for getting the DAI clock setting
211  * @set_up_all_pipelines: Function pointer for setting up all topology pipelines
212  * @tear_down_all_pipelines: Function pointer for tearing down all topology pipelines
213  * @parse_manifest: Function pointer for ipc4 specific parsing of topology manifest
214  * @link_setup: Function pointer for IPC-specific DAI link set up
215  *
216  * Note: function pointers (ops) are optional
217  */
218 struct sof_ipc_tplg_ops {
219 	const struct sof_ipc_tplg_widget_ops *widget;
220 	const struct sof_ipc_tplg_control_ops *control;
221 	int (*route_setup)(struct snd_sof_dev *sdev, struct snd_sof_route *sroute);
222 	int (*route_free)(struct snd_sof_dev *sdev, struct snd_sof_route *sroute);
223 	const struct sof_token_info *token_list;
224 	int (*control_setup)(struct snd_sof_dev *sdev, struct snd_sof_control *scontrol);
225 	int (*control_free)(struct snd_sof_dev *sdev, struct snd_sof_control *scontrol);
226 	int (*pipeline_complete)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
227 	int (*widget_setup)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
228 	int (*widget_free)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
229 	int (*dai_config)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget,
230 			  unsigned int flags, struct snd_sof_dai_config_data *data);
231 	int (*dai_get_clk)(struct snd_sof_dev *sdev, struct snd_sof_dai *dai, int clk_type);
232 	int (*set_up_all_pipelines)(struct snd_sof_dev *sdev, bool verify);
233 	int (*tear_down_all_pipelines)(struct snd_sof_dev *sdev, bool verify);
234 	int (*parse_manifest)(struct snd_soc_component *scomp, int index,
235 			      struct snd_soc_tplg_manifest *man);
236 	int (*link_setup)(struct snd_sof_dev *sdev, struct snd_soc_dai_link *link);
237 };
238 
239 /** struct snd_sof_tuple - Tuple info
240  * @token:	Token ID
241  * @value:	union of a string or a u32 values
242  */
243 struct snd_sof_tuple {
244 	u32 token;
245 	union {
246 		u32 v;
247 		const char *s;
248 	} value;
249 };
250 
251 /*
252  * List of SOF token ID's. The order of ID's does not matter as token arrays are looked up based on
253  * the ID.
254  */
255 enum sof_tokens {
256 	SOF_PCM_TOKENS,
257 	SOF_PIPELINE_TOKENS,
258 	SOF_SCHED_TOKENS,
259 	SOF_ASRC_TOKENS,
260 	SOF_SRC_TOKENS,
261 	SOF_COMP_TOKENS,
262 	SOF_BUFFER_TOKENS,
263 	SOF_VOLUME_TOKENS,
264 	SOF_PROCESS_TOKENS,
265 	SOF_DAI_TOKENS,
266 	SOF_DAI_LINK_TOKENS,
267 	SOF_HDA_TOKENS,
268 	SOF_SSP_TOKENS,
269 	SOF_ALH_TOKENS,
270 	SOF_DMIC_TOKENS,
271 	SOF_DMIC_PDM_TOKENS,
272 	SOF_ESAI_TOKENS,
273 	SOF_SAI_TOKENS,
274 	SOF_AFE_TOKENS,
275 	SOF_CORE_TOKENS,
276 	SOF_COMP_EXT_TOKENS,
277 	SOF_IN_AUDIO_FORMAT_TOKENS,
278 	SOF_OUT_AUDIO_FORMAT_TOKENS,
279 	SOF_COPIER_DEEP_BUFFER_TOKENS,
280 	SOF_COPIER_TOKENS,
281 	SOF_AUDIO_FMT_NUM_TOKENS,
282 	SOF_COPIER_FORMAT_TOKENS,
283 	SOF_GAIN_TOKENS,
284 	SOF_ACPDMIC_TOKENS,
285 	SOF_ACPI2S_TOKENS,
286 	SOF_MICFIL_TOKENS,
287 	SOF_ACP_SDW_TOKENS,
288 
289 	/* this should be the last */
290 	SOF_TOKEN_COUNT,
291 };
292 
293 /**
294  * struct sof_topology_token - SOF topology token definition
295  * @token:		Token number
296  * @type:		Token type
297  * @get_token:		Function pointer to parse the token value and save it in a object
298  * @offset:		Offset within an object to save the token value into
299  */
300 struct sof_topology_token {
301 	u32 token;
302 	u32 type;
303 	int (*get_token)(void *elem, void *object, u32 offset);
304 	u32 offset;
305 };
306 
307 struct sof_token_info {
308 	const char *name;
309 	const struct sof_topology_token *tokens;
310 	int count;
311 };
312 
313 /**
314  * struct snd_sof_pcm_stream_pipeline_list - List of pipelines associated with a PCM stream
315  * @count: number of pipeline widgets in the @pipe_widgets array
316  * @pipelines: array of pipelines
317  */
318 struct snd_sof_pcm_stream_pipeline_list {
319 	u32 count;
320 	struct snd_sof_pipeline **pipelines;
321 };
322 
323 /* PCM stream, mapped to FW component  */
324 struct snd_sof_pcm_stream {
325 	u32 comp_id;
326 	struct snd_dma_buffer page_table;
327 	struct sof_ipc_stream_posn posn;
328 	struct snd_pcm_substream *substream;
329 	struct snd_compr_stream *cstream;
330 	struct work_struct period_elapsed_work;
331 	struct snd_soc_dapm_widget_list *list; /* list of connected DAPM widgets */
332 	bool d0i3_compatible; /* DSP can be in D0I3 when this pcm is opened */
333 	unsigned int dsp_max_burst_size_in_ms; /* The maximum size of the host DMA burst in ms */
334 	/*
335 	 * flag to indicate that the DSP pipelines should be kept
336 	 * active or not while suspending the stream
337 	 */
338 	bool suspend_ignored;
339 	struct snd_sof_pcm_stream_pipeline_list pipeline_list;
340 
341 	/* used by IPC implementation and core does not touch it */
342 	void *private;
343 };
344 
345 /* ALSA SOF PCM device */
346 struct snd_sof_pcm {
347 	struct snd_soc_component *scomp;
348 	struct snd_soc_tplg_pcm pcm;
349 	struct snd_sof_pcm_stream stream[2];
350 	struct list_head list;	/* list in sdev pcm list */
351 	struct snd_pcm_hw_params params[2];
352 	bool prepared[2]; /* PCM_PARAMS set successfully */
353 };
354 
355 struct snd_sof_led_control {
356 	unsigned int use_led;
357 	unsigned int direction;
358 	int led_value;
359 };
360 
361 /* ALSA SOF Kcontrol device */
362 struct snd_sof_control {
363 	struct snd_soc_component *scomp;
364 	const char *name;
365 	int comp_id;
366 	int min_volume_step; /* min volume step for volume_table */
367 	int max_volume_step; /* max volume step for volume_table */
368 	int num_channels;
369 	unsigned int access;
370 	int info_type;
371 	int index; /* pipeline ID */
372 	void *priv; /* private data copied from topology */
373 	size_t priv_size; /* size of private data */
374 	size_t max_size;
375 	void *ipc_control_data;
376 	void *old_ipc_control_data;
377 	int max; /* applicable to volume controls */
378 	u32 size;	/* cdata size */
379 	u32 *volume_table; /* volume table computed from tlv data*/
380 
381 	struct list_head list;	/* list in sdev control list */
382 
383 	struct snd_sof_led_control led_ctl;
384 
385 	/* if true, the control's data needs to be updated from Firmware */
386 	bool comp_data_dirty;
387 };
388 
389 /** struct snd_sof_dai_link - DAI link info
390  * @tuples: array of parsed tuples
391  * @num_tuples: number of tuples in the tuples array
392  * @link: Pointer to snd_soc_dai_link
393  * @hw_configs: Pointer to hw configs in topology
394  * @num_hw_configs: Number of hw configs in topology
395  * @default_hw_cfg_id: Default hw config ID
396  * @type: DAI type
397  * @list: item in snd_sof_dev dai_link list
398  */
399 struct snd_sof_dai_link {
400 	struct snd_sof_tuple *tuples;
401 	int num_tuples;
402 	struct snd_soc_dai_link *link;
403 	struct snd_soc_tplg_hw_config *hw_configs;
404 	int num_hw_configs;
405 	int default_hw_cfg_id;
406 	int type;
407 	struct list_head list;
408 };
409 
410 /* ASoC SOF DAPM widget */
411 struct snd_sof_widget {
412 	struct snd_soc_component *scomp;
413 	int comp_id;
414 	int pipeline_id;
415 	/*
416 	 * the prepared flag is used to indicate that a widget has been prepared for getting set
417 	 * up in the DSP.
418 	 */
419 	bool prepared;
420 
421 	struct mutex setup_mutex; /* to protect the swidget setup and free operations */
422 
423 	/*
424 	 * use_count is protected by the PCM mutex held by the core and the
425 	 * setup_mutex against non stream domain races (kcontrol access for
426 	 * example)
427 	 */
428 	int use_count;
429 
430 	int core;
431 	int id; /* id is the DAPM widget type */
432 	/*
433 	 * Instance ID is set dynamically when the widget gets set up in the FW. It should be
434 	 * unique for each module type across all pipelines. This will not be used in SOF_IPC.
435 	 */
436 	int instance_id;
437 
438 	/*
439 	 * Flag indicating if the widget should be set up dynamically when a PCM is opened.
440 	 * This flag is only set for the scheduler type widget in topology. During topology
441 	 * loading, this flag is propagated to all the widgets belonging to the same pipeline.
442 	 * When this flag is not set, a widget is set up at the time of topology loading
443 	 * and retained until the DSP enters D3. It will need to be set up again when resuming
444 	 * from D3.
445 	 */
446 	bool dynamic_pipeline_widget;
447 
448 	struct snd_soc_dapm_widget *widget;
449 	struct list_head list;	/* list in sdev widget list */
450 	struct snd_sof_pipeline *spipe;
451 	void *module_info;
452 
453 	const guid_t uuid;
454 
455 	int num_tuples;
456 	struct snd_sof_tuple *tuples;
457 
458 	/*
459 	 * The allowed range for num_input/output_pins is [0, SOF_WIDGET_MAX_NUM_PINS].
460 	 * Widgets may have zero input or output pins, for example the tone widget has
461 	 * zero input pins.
462 	 */
463 	u32 num_input_pins;
464 	u32 num_output_pins;
465 
466 	/*
467 	 * The input/output pin binding array, it takes the form of
468 	 * [widget_name_connected_to_pin0, widget_name_connected_to_pin1, ...],
469 	 * with the index as the queue ID.
470 	 *
471 	 * The array is used for special pin binding. Note that even if there
472 	 * is only one input/output pin requires special pin binding, pin binding
473 	 * should be defined for all input/output pins in topology, for pin(s) that
474 	 * are not used, give the value "NotConnected".
475 	 *
476 	 * If pin binding is not defined in topology, nothing to parse in the kernel,
477 	 * input_pin_binding and output_pin_binding shall be NULL.
478 	 */
479 	char **input_pin_binding;
480 	char **output_pin_binding;
481 
482 	struct ida output_queue_ida;
483 	struct ida input_queue_ida;
484 
485 	void *private;		/* core does not touch this */
486 };
487 
488 /** struct snd_sof_pipeline - ASoC SOF pipeline
489  * @pipe_widget: Pointer to the pipeline widget
490  * @started_count: Count of number of PCM's that have started this pipeline
491  * @paused_count: Count of number of PCM's that have started and have currently paused this
492 		  pipeline
493  * @complete: flag used to indicate that pipeline set up is complete.
494  * @core_mask: Mask containing target cores for all modules in the pipeline
495  * @list: List item in sdev pipeline_list
496  */
497 struct snd_sof_pipeline {
498 	struct snd_sof_widget *pipe_widget;
499 	int started_count;
500 	int paused_count;
501 	int complete;
502 	unsigned long core_mask;
503 	struct list_head list;
504 };
505 
506 /* ASoC SOF DAPM route */
507 struct snd_sof_route {
508 	struct snd_soc_component *scomp;
509 
510 	struct snd_soc_dapm_route *route;
511 	struct list_head list;	/* list in sdev route list */
512 	struct snd_sof_widget *src_widget;
513 	struct snd_sof_widget *sink_widget;
514 	bool setup;
515 
516 	int src_queue_id;
517 	int dst_queue_id;
518 
519 	void *private;
520 };
521 
522 /* ASoC DAI device */
523 struct snd_sof_dai {
524 	struct snd_soc_component *scomp;
525 	const char *name;
526 	u32 type;
527 
528 	int number_configs;
529 	int current_config;
530 	struct list_head list;	/* list in sdev dai list */
531 	/* core should not touch this */
532 	const void *platform_private;
533 	void *private;
534 };
535 
536 /*
537  * Kcontrols.
538  */
539 
540 int snd_sof_volume_get(struct snd_kcontrol *kcontrol,
541 		       struct snd_ctl_elem_value *ucontrol);
542 int snd_sof_volume_put(struct snd_kcontrol *kcontrol,
543 		       struct snd_ctl_elem_value *ucontrol);
544 int snd_sof_volume_info(struct snd_kcontrol *kcontrol,
545 			struct snd_ctl_elem_info *uinfo);
546 int snd_sof_switch_get(struct snd_kcontrol *kcontrol,
547 		       struct snd_ctl_elem_value *ucontrol);
548 int snd_sof_switch_put(struct snd_kcontrol *kcontrol,
549 		       struct snd_ctl_elem_value *ucontrol);
550 int snd_sof_enum_get(struct snd_kcontrol *kcontrol,
551 		     struct snd_ctl_elem_value *ucontrol);
552 int snd_sof_enum_put(struct snd_kcontrol *kcontrol,
553 		     struct snd_ctl_elem_value *ucontrol);
554 int snd_sof_bytes_get(struct snd_kcontrol *kcontrol,
555 		      struct snd_ctl_elem_value *ucontrol);
556 int snd_sof_bytes_put(struct snd_kcontrol *kcontrol,
557 		      struct snd_ctl_elem_value *ucontrol);
558 int snd_sof_bytes_ext_put(struct snd_kcontrol *kcontrol,
559 			  const unsigned int __user *binary_data,
560 			  unsigned int size);
561 int snd_sof_bytes_ext_get(struct snd_kcontrol *kcontrol,
562 			  unsigned int __user *binary_data,
563 			  unsigned int size);
564 int snd_sof_bytes_ext_volatile_get(struct snd_kcontrol *kcontrol, unsigned int __user *binary_data,
565 				   unsigned int size);
566 void snd_sof_control_notify(struct snd_sof_dev *sdev,
567 			    struct sof_ipc_ctrl_data *cdata);
568 
569 /*
570  * Topology.
571  * There is no snd_sof_free_topology since topology components will
572  * be freed by snd_soc_unregister_component,
573  */
574 int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file);
575 
576 /*
577  * Stream IPC
578  */
579 int snd_sof_ipc_stream_posn(struct snd_soc_component *scomp,
580 			    struct snd_sof_pcm *spcm, int direction,
581 			    struct sof_ipc_stream_posn *posn);
582 
583 struct snd_sof_widget *snd_sof_find_swidget(struct snd_soc_component *scomp,
584 					    const char *name);
585 struct snd_sof_widget *
586 snd_sof_find_swidget_sname(struct snd_soc_component *scomp,
587 			   const char *pcm_name, int dir);
588 struct snd_sof_dai *snd_sof_find_dai(struct snd_soc_component *scomp,
589 				     const char *name);
590 
591 static inline
592 struct snd_sof_pcm *snd_sof_find_spcm_dai(struct snd_soc_component *scomp,
593 					  struct snd_soc_pcm_runtime *rtd)
594 {
595 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
596 	struct snd_sof_pcm *spcm;
597 
598 	list_for_each_entry(spcm, &sdev->pcm_list, list) {
599 		if (le32_to_cpu(spcm->pcm.dai_id) == rtd->dai_link->id)
600 			return spcm;
601 	}
602 
603 	return NULL;
604 }
605 
606 struct snd_sof_pcm *snd_sof_find_spcm_name(struct snd_soc_component *scomp,
607 					   const char *name);
608 struct snd_sof_pcm *snd_sof_find_spcm_comp(struct snd_soc_component *scomp,
609 					   unsigned int comp_id,
610 					   int *direction);
611 void snd_sof_pcm_period_elapsed(struct snd_pcm_substream *substream);
612 void snd_sof_pcm_init_elapsed_work(struct work_struct *work);
613 
614 #if IS_ENABLED(CONFIG_SND_SOC_SOF_COMPRESS)
615 void snd_sof_compr_fragment_elapsed(struct snd_compr_stream *cstream);
616 void snd_sof_compr_init_elapsed_work(struct work_struct *work);
617 #else
618 static inline void snd_sof_compr_fragment_elapsed(struct snd_compr_stream *cstream) { }
619 static inline void snd_sof_compr_init_elapsed_work(struct work_struct *work) { }
620 #endif
621 
622 /* DAI link fixup */
623 int sof_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params);
624 
625 /* PM */
626 bool snd_sof_stream_suspend_ignored(struct snd_sof_dev *sdev);
627 bool snd_sof_dsp_only_d0i3_compatible_stream_active(struct snd_sof_dev *sdev);
628 
629 /* Machine driver enumeration */
630 int sof_machine_register(struct snd_sof_dev *sdev, void *pdata);
631 void sof_machine_unregister(struct snd_sof_dev *sdev, void *pdata);
632 
633 int sof_widget_setup(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
634 int sof_widget_free(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
635 int sof_route_setup(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *wsource,
636 		    struct snd_soc_dapm_widget *wsink);
637 
638 /* PCM */
639 int sof_widget_list_setup(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm,
640 			  struct snd_pcm_hw_params *fe_params,
641 			  struct snd_sof_platform_stream_params *platform_params,
642 			  int dir);
643 int sof_widget_list_free(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm, int dir);
644 int sof_pcm_dsp_pcm_free(struct snd_pcm_substream *substream, struct snd_sof_dev *sdev,
645 			 struct snd_sof_pcm *spcm);
646 int sof_pcm_stream_free(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream,
647 			struct snd_sof_pcm *spcm, int dir, bool free_widget_list);
648 int get_token_u32(void *elem, void *object, u32 offset);
649 int get_token_u16(void *elem, void *object, u32 offset);
650 int get_token_comp_format(void *elem, void *object, u32 offset);
651 int get_token_dai_type(void *elem, void *object, u32 offset);
652 int get_token_uuid(void *elem, void *object, u32 offset);
653 int get_token_string(void *elem, void *object, u32 offset);
654 int sof_update_ipc_object(struct snd_soc_component *scomp, void *object, enum sof_tokens token_id,
655 			  struct snd_sof_tuple *tuples, int num_tuples,
656 			  size_t object_size, int token_instance_num);
657 u32 vol_compute_gain(u32 value, int *tlv);
658 #endif
659