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/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
/*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* Copyright(c) 2019 Intel Corporation. All rights reserved.
*
* Author: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
*/
#ifndef __SOUND_SOC_SOF_AUDIO_H
#define __SOUND_SOC_SOF_AUDIO_H
#include <linux/workqueue.h>
#include <sound/soc.h>
#include <sound/control.h>
#include <sound/sof/stream.h> /* needs to be included before control.h */
#include <sound/sof/control.h>
#include <sound/sof/dai.h>
#include <sound/sof/topology.h>
#include "sof-priv.h"
#define SOF_AUDIO_PCM_DRV_NAME "sof-audio-component"
/*
* The ipc4 firmware only supports up to 8 sink or source pins
* per widget, because only 3 bits are used for queue(pin) ID
* in ipc4 protocol.
*/
#define SOF_WIDGET_MAX_NUM_PINS 8
/* Widget pin type */
#define SOF_PIN_TYPE_INPUT 0
#define SOF_PIN_TYPE_OUTPUT 1
/* max number of FE PCMs before BEs */
#define SOF_BE_PCM_BASE 16
#define DMA_CHAN_INVALID 0xFFFFFFFF
#define WIDGET_IS_DAI(id) ((id) == snd_soc_dapm_dai_in || (id) == snd_soc_dapm_dai_out)
#define WIDGET_IS_AIF(id) ((id) == snd_soc_dapm_aif_in || (id) == snd_soc_dapm_aif_out)
#define WIDGET_IS_AIF_OR_DAI(id) (WIDGET_IS_DAI(id) || WIDGET_IS_AIF(id))
#define WIDGET_IS_COPIER(id) (WIDGET_IS_AIF_OR_DAI(id) || (id) == snd_soc_dapm_buffer)
#define SOF_DAI_CLK_INTEL_SSP_MCLK 0
#define SOF_DAI_CLK_INTEL_SSP_BCLK 1
enum sof_widget_op {
SOF_WIDGET_PREPARE,
SOF_WIDGET_SETUP,
SOF_WIDGET_FREE,
SOF_WIDGET_UNPREPARE,
};
/*
* Volume fractional word length define to 16 sets
* the volume linear gain value to use Qx.16 format
*/
#define VOLUME_FWL 16
#define SOF_TLV_ITEMS 3
static inline u32 mixer_to_ipc(unsigned int value, u32 *volume_map, int size)
{
if (value >= size)
return volume_map[size - 1];
return volume_map[value];
}
static inline u32 ipc_to_mixer(u32 value, u32 *volume_map, int size)
{
int i;
for (i = 0; i < size; i++) {
if (volume_map[i] >= value)
return i;
}
return i - 1;
}
struct snd_sof_widget;
struct snd_sof_route;
struct snd_sof_control;
struct snd_sof_dai;
struct snd_sof_pcm;
struct snd_sof_dai_config_data {
int dai_index;
int dai_data; /* contains DAI-specific information */
};
/**
* struct sof_ipc_pcm_ops - IPC-specific PCM ops
* @hw_params: Function pointer for hw_params
* @hw_free: Function pointer for hw_free
* @trigger: Function pointer for trigger
* @dai_link_fixup: Function pointer for DAI link fixup
* @pcm_setup: Function pointer for IPC-specific PCM set up that can be used for allocating
* additional memory in the SOF PCM stream structure
* @pcm_free: Function pointer for PCM free that can be used for freeing any
* additional memory in the SOF PCM stream structure
* @delay: Function pointer for pcm delay calculation
* @reset_hw_params_during_stop: Flag indicating whether the hw_params should be reset during the
* STOP pcm trigger
* @ipc_first_on_start: Send IPC before invoking platform trigger during
* START/PAUSE_RELEASE triggers
* @platform_stop_during_hw_free: Invoke the platform trigger during hw_free. This is needed for
* IPC4 where a pipeline is only paused during stop/pause/suspend
* triggers. The FW keeps the host DMA running in this case and
* therefore the host must do the same and should stop the DMA during
* hw_free.
*/
struct sof_ipc_pcm_ops {
int (*hw_params)(struct snd_soc_component *component, struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_sof_platform_stream_params *platform_params);
int (*hw_free)(struct snd_soc_component *component, struct snd_pcm_substream *substream);
int (*trigger)(struct snd_soc_component *component, struct snd_pcm_substream *substream,
int cmd);
int (*dai_link_fixup)(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params);
int (*pcm_setup)(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm);
void (*pcm_free)(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm);
snd_pcm_sframes_t (*delay)(struct snd_soc_component *component,
struct snd_pcm_substream *substream);
bool reset_hw_params_during_stop;
bool ipc_first_on_start;
bool platform_stop_during_hw_free;
};
/**
* struct sof_ipc_tplg_control_ops - IPC-specific ops for topology kcontrol IO
*/
struct sof_ipc_tplg_control_ops {
bool (*volume_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
int (*volume_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
bool (*switch_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
int (*switch_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
bool (*enum_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
int (*enum_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
int (*bytes_put)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
int (*bytes_get)(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol);
int (*bytes_ext_get)(struct snd_sof_control *scontrol,
const unsigned int __user *binary_data, unsigned int size);
int (*bytes_ext_volatile_get)(struct snd_sof_control *scontrol,
const unsigned int __user *binary_data, unsigned int size);
int (*bytes_ext_put)(struct snd_sof_control *scontrol,
const unsigned int __user *binary_data, unsigned int size);
/* update control data based on notification from the DSP */
void (*update)(struct snd_sof_dev *sdev, void *ipc_control_message);
/* Optional callback to setup kcontrols associated with an swidget */
int (*widget_kcontrol_setup)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
/* mandatory callback to set up volume table for volume kcontrols */
int (*set_up_volume_table)(struct snd_sof_control *scontrol, int tlv[SOF_TLV_ITEMS],
int size);
};
/**
* struct sof_ipc_tplg_widget_ops - IPC-specific ops for topology widgets
* @ipc_setup: Function pointer for setting up widget IPC params
* @ipc_free: Function pointer for freeing widget IPC params
* @token_list: List of token ID's that should be parsed for the widget
* @token_list_size: number of elements in token_list
* @bind_event: Function pointer for binding events to the widget
* @ipc_prepare: Optional op for preparing a widget for set up
* @ipc_unprepare: Optional op for unpreparing a widget
*/
struct sof_ipc_tplg_widget_ops {
int (*ipc_setup)(struct snd_sof_widget *swidget);
void (*ipc_free)(struct snd_sof_widget *swidget);
enum sof_tokens *token_list;
int token_list_size;
int (*bind_event)(struct snd_soc_component *scomp, struct snd_sof_widget *swidget,
u16 event_type);
int (*ipc_prepare)(struct snd_sof_widget *swidget,
struct snd_pcm_hw_params *fe_params,
struct snd_sof_platform_stream_params *platform_params,
struct snd_pcm_hw_params *source_params, int dir);
void (*ipc_unprepare)(struct snd_sof_widget *swidget);
};
/**
* struct sof_ipc_tplg_ops - IPC-specific topology ops
* @widget: Array of pointers to IPC-specific ops for widgets. This should always be of size
* SND_SOF_DAPM_TYPE_COUNT i.e one per widget type. Unsupported widget types will be
* initialized to 0.
* @control: Pointer to the IPC-specific ops for topology kcontrol IO
* @route_setup: Function pointer for setting up pipeline connections
* @route_free: Function pointer for freeing pipeline connections.
* @token_list: List of all tokens supported by the IPC version. The size of the token_list
* array should be SOF_TOKEN_COUNT. The unused elements in the array will be
* initialized to 0.
* @control_setup: Function pointer for setting up kcontrol IPC-specific data
* @control_free: Function pointer for freeing kcontrol IPC-specific data
* @pipeline_complete: Function pointer for pipeline complete IPC
* @widget_setup: Function pointer for setting up setup in the DSP
* @widget_free: Function pointer for freeing widget in the DSP
* @dai_config: Function pointer for sending DAI config IPC to the DSP
* @dai_get_clk: Function pointer for getting the DAI clock setting
* @set_up_all_pipelines: Function pointer for setting up all topology pipelines
* @tear_down_all_pipelines: Function pointer for tearing down all topology pipelines
* @parse_manifest: Function pointer for ipc4 specific parsing of topology manifest
* @link_setup: Function pointer for IPC-specific DAI link set up
*
* Note: function pointers (ops) are optional
*/
struct sof_ipc_tplg_ops {
const struct sof_ipc_tplg_widget_ops *widget;
const struct sof_ipc_tplg_control_ops *control;
int (*route_setup)(struct snd_sof_dev *sdev, struct snd_sof_route *sroute);
int (*route_free)(struct snd_sof_dev *sdev, struct snd_sof_route *sroute);
const struct sof_token_info *token_list;
int (*control_setup)(struct snd_sof_dev *sdev, struct snd_sof_control *scontrol);
int (*control_free)(struct snd_sof_dev *sdev, struct snd_sof_control *scontrol);
int (*pipeline_complete)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
int (*widget_setup)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
int (*widget_free)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
int (*dai_config)(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget,
unsigned int flags, struct snd_sof_dai_config_data *data);
int (*dai_get_clk)(struct snd_sof_dev *sdev, struct snd_sof_dai *dai, int clk_type);
int (*set_up_all_pipelines)(struct snd_sof_dev *sdev, bool verify);
int (*tear_down_all_pipelines)(struct snd_sof_dev *sdev, bool verify);
int (*parse_manifest)(struct snd_soc_component *scomp, int index,
struct snd_soc_tplg_manifest *man);
int (*link_setup)(struct snd_sof_dev *sdev, struct snd_soc_dai_link *link);
};
/** struct snd_sof_tuple - Tuple info
* @token: Token ID
* @value: union of a string or a u32 values
*/
struct snd_sof_tuple {
u32 token;
union {
u32 v;
const char *s;
} value;
};
/*
* List of SOF token ID's. The order of ID's does not matter as token arrays are looked up based on
* the ID.
*/
enum sof_tokens {
SOF_PCM_TOKENS,
SOF_PIPELINE_TOKENS,
SOF_SCHED_TOKENS,
SOF_ASRC_TOKENS,
SOF_SRC_TOKENS,
SOF_COMP_TOKENS,
SOF_BUFFER_TOKENS,
SOF_VOLUME_TOKENS,
SOF_PROCESS_TOKENS,
SOF_DAI_TOKENS,
SOF_DAI_LINK_TOKENS,
SOF_HDA_TOKENS,
SOF_SSP_TOKENS,
SOF_ALH_TOKENS,
SOF_DMIC_TOKENS,
SOF_DMIC_PDM_TOKENS,
SOF_ESAI_TOKENS,
SOF_SAI_TOKENS,
SOF_AFE_TOKENS,
SOF_CORE_TOKENS,
SOF_COMP_EXT_TOKENS,
SOF_IN_AUDIO_FORMAT_TOKENS,
SOF_OUT_AUDIO_FORMAT_TOKENS,
SOF_COPIER_DEEP_BUFFER_TOKENS,
SOF_COPIER_TOKENS,
SOF_AUDIO_FMT_NUM_TOKENS,
SOF_COPIER_FORMAT_TOKENS,
SOF_GAIN_TOKENS,
SOF_ACPDMIC_TOKENS,
SOF_ACPI2S_TOKENS,
SOF_MICFIL_TOKENS,
/* this should be the last */
SOF_TOKEN_COUNT,
};
/**
* struct sof_topology_token - SOF topology token definition
* @token: Token number
* @type: Token type
* @get_token: Function pointer to parse the token value and save it in a object
* @offset: Offset within an object to save the token value into
*/
struct sof_topology_token {
u32 token;
u32 type;
int (*get_token)(void *elem, void *object, u32 offset);
u32 offset;
};
struct sof_token_info {
const char *name;
const struct sof_topology_token *tokens;
int count;
};
/**
* struct snd_sof_pcm_stream_pipeline_list - List of pipelines associated with a PCM stream
* @count: number of pipeline widgets in the @pipe_widgets array
* @pipelines: array of pipelines
*/
struct snd_sof_pcm_stream_pipeline_list {
u32 count;
struct snd_sof_pipeline **pipelines;
};
/* PCM stream, mapped to FW component */
struct snd_sof_pcm_stream {
u32 comp_id;
struct snd_dma_buffer page_table;
struct sof_ipc_stream_posn posn;
struct snd_pcm_substream *substream;
struct snd_compr_stream *cstream;
struct work_struct period_elapsed_work;
struct snd_soc_dapm_widget_list *list; /* list of connected DAPM widgets */
bool d0i3_compatible; /* DSP can be in D0I3 when this pcm is opened */
/*
* flag to indicate that the DSP pipelines should be kept
* active or not while suspending the stream
*/
bool suspend_ignored;
struct snd_sof_pcm_stream_pipeline_list pipeline_list;
/* used by IPC implementation and core does not touch it */
void *private;
};
/* ALSA SOF PCM device */
struct snd_sof_pcm {
struct snd_soc_component *scomp;
struct snd_soc_tplg_pcm pcm;
struct snd_sof_pcm_stream stream[2];
struct list_head list; /* list in sdev pcm list */
struct snd_pcm_hw_params params[2];
bool prepared[2]; /* PCM_PARAMS set successfully */
};
struct snd_sof_led_control {
unsigned int use_led;
unsigned int direction;
int led_value;
};
/* ALSA SOF Kcontrol device */
struct snd_sof_control {
struct snd_soc_component *scomp;
const char *name;
int comp_id;
int min_volume_step; /* min volume step for volume_table */
int max_volume_step; /* max volume step for volume_table */
int num_channels;
unsigned int access;
int info_type;
int index; /* pipeline ID */
void *priv; /* private data copied from topology */
size_t priv_size; /* size of private data */
size_t max_size;
void *ipc_control_data;
void *old_ipc_control_data;
int max; /* applicable to volume controls */
u32 size; /* cdata size */
u32 *volume_table; /* volume table computed from tlv data*/
struct list_head list; /* list in sdev control list */
struct snd_sof_led_control led_ctl;
/* if true, the control's data needs to be updated from Firmware */
bool comp_data_dirty;
};
/** struct snd_sof_dai_link - DAI link info
* @tuples: array of parsed tuples
* @num_tuples: number of tuples in the tuples array
* @link: Pointer to snd_soc_dai_link
* @hw_configs: Pointer to hw configs in topology
* @num_hw_configs: Number of hw configs in topology
* @default_hw_cfg_id: Default hw config ID
* @type: DAI type
* @list: item in snd_sof_dev dai_link list
*/
struct snd_sof_dai_link {
struct snd_sof_tuple *tuples;
int num_tuples;
struct snd_soc_dai_link *link;
struct snd_soc_tplg_hw_config *hw_configs;
int num_hw_configs;
int default_hw_cfg_id;
int type;
struct list_head list;
};
/* ASoC SOF DAPM widget */
struct snd_sof_widget {
struct snd_soc_component *scomp;
int comp_id;
int pipeline_id;
/*
* the prepared flag is used to indicate that a widget has been prepared for getting set
* up in the DSP.
*/
bool prepared;
struct mutex setup_mutex; /* to protect the swidget setup and free operations */
/*
* use_count is protected by the PCM mutex held by the core and the
* setup_mutex against non stream domain races (kcontrol access for
* example)
*/
int use_count;
int core;
int id; /* id is the DAPM widget type */
/*
* Instance ID is set dynamically when the widget gets set up in the FW. It should be
* unique for each module type across all pipelines. This will not be used in SOF_IPC.
*/
int instance_id;
/*
* Flag indicating if the widget should be set up dynamically when a PCM is opened.
* This flag is only set for the scheduler type widget in topology. During topology
* loading, this flag is propagated to all the widgets belonging to the same pipeline.
* When this flag is not set, a widget is set up at the time of topology loading
* and retained until the DSP enters D3. It will need to be set up again when resuming
* from D3.
*/
bool dynamic_pipeline_widget;
struct snd_soc_dapm_widget *widget;
struct list_head list; /* list in sdev widget list */
struct snd_sof_pipeline *spipe;
void *module_info;
const guid_t uuid;
int num_tuples;
struct snd_sof_tuple *tuples;
/*
* The allowed range for num_input/output_pins is [0, SOF_WIDGET_MAX_NUM_PINS].
* Widgets may have zero input or output pins, for example the tone widget has
* zero input pins.
*/
u32 num_input_pins;
u32 num_output_pins;
/*
* The input/output pin binding array, it takes the form of
* [widget_name_connected_to_pin0, widget_name_connected_to_pin1, ...],
* with the index as the queue ID.
*
* The array is used for special pin binding. Note that even if there
* is only one input/output pin requires special pin binding, pin binding
* should be defined for all input/output pins in topology, for pin(s) that
* are not used, give the value "NotConnected".
*
* If pin binding is not defined in topology, nothing to parse in the kernel,
* input_pin_binding and output_pin_binding shall be NULL.
*/
char **input_pin_binding;
char **output_pin_binding;
struct ida output_queue_ida;
struct ida input_queue_ida;
void *private; /* core does not touch this */
};
/** struct snd_sof_pipeline - ASoC SOF pipeline
* @pipe_widget: Pointer to the pipeline widget
* @started_count: Count of number of PCM's that have started this pipeline
* @paused_count: Count of number of PCM's that have started and have currently paused this
pipeline
* @complete: flag used to indicate that pipeline set up is complete.
* @core_mask: Mask containing target cores for all modules in the pipeline
* @list: List item in sdev pipeline_list
*/
struct snd_sof_pipeline {
struct snd_sof_widget *pipe_widget;
int started_count;
int paused_count;
int complete;
unsigned long core_mask;
struct list_head list;
};
/* ASoC SOF DAPM route */
struct snd_sof_route {
struct snd_soc_component *scomp;
struct snd_soc_dapm_route *route;
struct list_head list; /* list in sdev route list */
struct snd_sof_widget *src_widget;
struct snd_sof_widget *sink_widget;
bool setup;
int src_queue_id;
int dst_queue_id;
void *private;
};
/* ASoC DAI device */
struct snd_sof_dai {
struct snd_soc_component *scomp;
const char *name;
int number_configs;
int current_config;
struct list_head list; /* list in sdev dai list */
/* core should not touch this */
const void *platform_private;
void *private;
};
/*
* Kcontrols.
*/
int snd_sof_volume_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_sof_volume_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_sof_volume_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo);
int snd_sof_switch_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_sof_switch_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_sof_enum_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_sof_enum_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_sof_bytes_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_sof_bytes_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_sof_bytes_ext_put(struct snd_kcontrol *kcontrol,
const unsigned int __user *binary_data,
unsigned int size);
int snd_sof_bytes_ext_get(struct snd_kcontrol *kcontrol,
unsigned int __user *binary_data,
unsigned int size);
int snd_sof_bytes_ext_volatile_get(struct snd_kcontrol *kcontrol, unsigned int __user *binary_data,
unsigned int size);
void snd_sof_control_notify(struct snd_sof_dev *sdev,
struct sof_ipc_ctrl_data *cdata);
/*
* Topology.
* There is no snd_sof_free_topology since topology components will
* be freed by snd_soc_unregister_component,
*/
int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file);
/*
* Stream IPC
*/
int snd_sof_ipc_stream_posn(struct snd_soc_component *scomp,
struct snd_sof_pcm *spcm, int direction,
struct sof_ipc_stream_posn *posn);
struct snd_sof_widget *snd_sof_find_swidget(struct snd_soc_component *scomp,
const char *name);
struct snd_sof_widget *
snd_sof_find_swidget_sname(struct snd_soc_component *scomp,
const char *pcm_name, int dir);
struct snd_sof_dai *snd_sof_find_dai(struct snd_soc_component *scomp,
const char *name);
static inline
struct snd_sof_pcm *snd_sof_find_spcm_dai(struct snd_soc_component *scomp,
struct snd_soc_pcm_runtime *rtd)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct snd_sof_pcm *spcm;
list_for_each_entry(spcm, &sdev->pcm_list, list) {
if (le32_to_cpu(spcm->pcm.dai_id) == rtd->dai_link->id)
return spcm;
}
return NULL;
}
struct snd_sof_pcm *snd_sof_find_spcm_name(struct snd_soc_component *scomp,
const char *name);
struct snd_sof_pcm *snd_sof_find_spcm_comp(struct snd_soc_component *scomp,
unsigned int comp_id,
int *direction);
void snd_sof_pcm_period_elapsed(struct snd_pcm_substream *substream);
void snd_sof_pcm_init_elapsed_work(struct work_struct *work);
#if IS_ENABLED(CONFIG_SND_SOC_SOF_COMPRESS)
void snd_sof_compr_fragment_elapsed(struct snd_compr_stream *cstream);
void snd_sof_compr_init_elapsed_work(struct work_struct *work);
#else
static inline void snd_sof_compr_fragment_elapsed(struct snd_compr_stream *cstream) { }
static inline void snd_sof_compr_init_elapsed_work(struct work_struct *work) { }
#endif
/* DAI link fixup */
int sof_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params);
/* PM */
bool snd_sof_stream_suspend_ignored(struct snd_sof_dev *sdev);
bool snd_sof_dsp_only_d0i3_compatible_stream_active(struct snd_sof_dev *sdev);
/* Machine driver enumeration */
int sof_machine_register(struct snd_sof_dev *sdev, void *pdata);
void sof_machine_unregister(struct snd_sof_dev *sdev, void *pdata);
int sof_widget_setup(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
int sof_widget_free(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
int sof_route_setup(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *wsource,
struct snd_soc_dapm_widget *wsink);
/* PCM */
int sof_widget_list_setup(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm,
struct snd_pcm_hw_params *fe_params,
struct snd_sof_platform_stream_params *platform_params,
int dir);
int sof_widget_list_free(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm, int dir);
int sof_pcm_dsp_pcm_free(struct snd_pcm_substream *substream, struct snd_sof_dev *sdev,
struct snd_sof_pcm *spcm);
int sof_pcm_stream_free(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream,
struct snd_sof_pcm *spcm, int dir, bool free_widget_list);
int get_token_u32(void *elem, void *object, u32 offset);
int get_token_u16(void *elem, void *object, u32 offset);
int get_token_comp_format(void *elem, void *object, u32 offset);
int get_token_dai_type(void *elem, void *object, u32 offset);
int get_token_uuid(void *elem, void *object, u32 offset);
int get_token_string(void *elem, void *object, u32 offset);
int sof_update_ipc_object(struct snd_soc_component *scomp, void *object, enum sof_tokens token_id,
struct snd_sof_tuple *tuples, int num_tuples,
size_t object_size, int token_instance_num);
u32 vol_compute_gain(u32 value, int *tlv);
#endif