275 lines
8.9 KiB
C
275 lines
8.9 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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/* 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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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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struct sof_ipc_ctrl_data *control_data;
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u32 size; /* cdata size */
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enum sof_ipc_ctrl_cmd cmd;
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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_widget;
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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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/* extended data for UUID components */
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struct sof_ipc_comp_ext comp_ext;
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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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struct sof_ipc_comp_dai comp_dai;
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int number_configs;
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int current_config;
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bool configured; /* DAI configured during BE hw_params */
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struct sof_ipc_dai_config *dai_config;
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struct list_head list; /* list in sdev dai list */
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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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int snd_sof_complete_pipeline(struct snd_sof_dev *sdev,
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struct snd_sof_widget *swidget);
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int sof_load_pipeline_ipc(struct snd_sof_dev *sdev,
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struct sof_ipc_pipe_new *pipeline,
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struct sof_ipc_comp_reply *r);
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int sof_pipeline_core_enable(struct snd_sof_dev *sdev,
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const struct snd_sof_widget *swidget);
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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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struct snd_sof_pcm *snd_sof_find_spcm_pcm_id(struct snd_soc_component *scomp,
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unsigned int pcm_id);
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const struct sof_ipc_pipe_new *snd_sof_pipeline_find(struct snd_sof_dev *sdev,
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int pipeline_id);
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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,
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u32 ipc_cmd,
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enum sof_ipc_ctrl_type ctrl_type,
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enum sof_ipc_ctrl_cmd ctrl_cmd,
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bool send);
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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_up_pipelines(struct snd_sof_dev *sdev, bool verify);
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int sof_tear_down_pipelines(struct snd_sof_dev *sdev, bool verify);
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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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/* 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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#endif
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