473 lines
16 KiB
C
473 lines
16 KiB
C
/* 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 <ranjani.sridharan@linux.intel.com>
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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 SOF_DAI_CLK_INTEL_SSP_MCLK 0
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#define SOF_DAI_CLK_INTEL_SSP_BCLK 1
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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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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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};
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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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*/
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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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};
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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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* @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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*/
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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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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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};
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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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/* 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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u32 readback_offset; /* offset to mmapped data if used */
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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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int complete;
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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;
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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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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 = NULL;
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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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/*
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* Mixer IPC
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*/
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int snd_sof_ipc_set_get_comp_data(struct snd_sof_control *scontrol, bool set);
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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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int sof_set_hw_params_upon_resume(struct device *dev);
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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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/* PCM */
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int sof_widget_list_setup(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm, 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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int sof_pcm_setup_connected_widgets(struct snd_sof_dev *sdev, struct snd_soc_pcm_runtime *rtd,
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struct snd_sof_pcm *spcm, int dir);
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#endif
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