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