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- /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
- /*
- * This file is provided under a dual BSD/GPLv2 license. When using or
- * redistributing this file, you may do so under either license.
- *
- * Copyright(c) 2019 Intel Corporation. All rights reserved.
- *
- * Author: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
- */
- #ifndef __SOUND_SOC_SOF_AUDIO_H
- #define __SOUND_SOC_SOF_AUDIO_H
- #include <linux/workqueue.h>
- #include <sound/soc.h>
- #include <sound/control.h>
- #include <sound/sof/stream.h> /* needs to be included before control.h */
- #include <sound/sof/control.h>
- #include <sound/sof/dai.h>
- #include <sound/sof/topology.h>
- #include "sof-priv.h"
- #define SOF_AUDIO_PCM_DRV_NAME "sof-audio-component"
- /* max number of FE PCMs before BEs */
- #define SOF_BE_PCM_BASE 16
- #define DMA_CHAN_INVALID 0xFFFFFFFF
- /* PCM stream, mapped to FW component */
- struct snd_sof_pcm_stream {
- u32 comp_id;
- struct snd_dma_buffer page_table;
- struct sof_ipc_stream_posn posn;
- struct snd_pcm_substream *substream;
- struct work_struct period_elapsed_work;
- bool d0i3_compatible; /* DSP can be in D0I3 when this pcm is opened */
- /*
- * flag to indicate that the DSP pipelines should be kept
- * active or not while suspending the stream
- */
- bool suspend_ignored;
- };
- /* ALSA SOF PCM device */
- struct snd_sof_pcm {
- struct snd_soc_component *scomp;
- struct snd_soc_tplg_pcm pcm;
- struct snd_sof_pcm_stream stream[2];
- struct list_head list; /* list in sdev pcm list */
- struct snd_pcm_hw_params params[2];
- bool prepared[2]; /* PCM_PARAMS set successfully */
- };
- struct snd_sof_led_control {
- unsigned int use_led;
- unsigned int direction;
- int led_value;
- };
- /* ALSA SOF Kcontrol device */
- struct snd_sof_control {
- struct snd_soc_component *scomp;
- int comp_id;
- int min_volume_step; /* min volume step for volume_table */
- int max_volume_step; /* max volume step for volume_table */
- int num_channels;
- u32 readback_offset; /* offset to mmapped data if used */
- struct sof_ipc_ctrl_data *control_data;
- u32 size; /* cdata size */
- enum sof_ipc_ctrl_cmd cmd;
- u32 *volume_table; /* volume table computed from tlv data*/
- struct list_head list; /* list in sdev control list */
- struct snd_sof_led_control led_ctl;
- };
- /* ASoC SOF DAPM widget */
- struct snd_sof_widget {
- struct snd_soc_component *scomp;
- int comp_id;
- int pipeline_id;
- int complete;
- int core;
- int id;
- struct snd_soc_dapm_widget *widget;
- struct list_head list; /* list in sdev widget list */
- /* extended data for UUID components */
- struct sof_ipc_comp_ext comp_ext;
- void *private; /* core does not touch this */
- };
- /* ASoC SOF DAPM route */
- struct snd_sof_route {
- struct snd_soc_component *scomp;
- struct snd_soc_dapm_route *route;
- struct list_head list; /* list in sdev route list */
- void *private;
- };
- /* ASoC DAI device */
- struct snd_sof_dai {
- struct snd_soc_component *scomp;
- const char *name;
- const char *cpu_dai_name;
- struct sof_ipc_comp_dai comp_dai;
- struct sof_ipc_dai_config *dai_config;
- struct list_head list; /* list in sdev dai list */
- };
- /*
- * Kcontrols.
- */
- int snd_sof_volume_get(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol);
- int snd_sof_volume_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol);
- int snd_sof_switch_get(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol);
- int snd_sof_switch_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol);
- int snd_sof_enum_get(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol);
- int snd_sof_enum_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol);
- int snd_sof_bytes_get(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol);
- int snd_sof_bytes_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol);
- int snd_sof_bytes_ext_put(struct snd_kcontrol *kcontrol,
- const unsigned int __user *binary_data,
- unsigned int size);
- int snd_sof_bytes_ext_get(struct snd_kcontrol *kcontrol,
- unsigned int __user *binary_data,
- unsigned int size);
- int snd_sof_bytes_ext_volatile_get(struct snd_kcontrol *kcontrol, unsigned int __user *binary_data,
- unsigned int size);
- /*
- * Topology.
- * There is no snd_sof_free_topology since topology components will
- * be freed by snd_soc_unregister_component,
- */
- int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file);
- int snd_sof_complete_pipeline(struct device *dev,
- struct snd_sof_widget *swidget);
- int sof_load_pipeline_ipc(struct device *dev,
- struct sof_ipc_pipe_new *pipeline,
- struct sof_ipc_comp_reply *r);
- int sof_pipeline_core_enable(struct snd_sof_dev *sdev,
- const struct snd_sof_widget *swidget);
- /*
- * Stream IPC
- */
- int snd_sof_ipc_stream_posn(struct snd_soc_component *scomp,
- struct snd_sof_pcm *spcm, int direction,
- struct sof_ipc_stream_posn *posn);
- struct snd_sof_widget *snd_sof_find_swidget(struct snd_soc_component *scomp,
- const char *name);
- struct snd_sof_widget *
- snd_sof_find_swidget_sname(struct snd_soc_component *scomp,
- const char *pcm_name, int dir);
- struct snd_sof_dai *snd_sof_find_dai(struct snd_soc_component *scomp,
- const char *name);
- static inline
- struct snd_sof_pcm *snd_sof_find_spcm_dai(struct snd_soc_component *scomp,
- struct snd_soc_pcm_runtime *rtd)
- {
- struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
- struct snd_sof_pcm *spcm = NULL;
- list_for_each_entry(spcm, &sdev->pcm_list, list) {
- if (le32_to_cpu(spcm->pcm.dai_id) == rtd->dai_link->id)
- return spcm;
- }
- return NULL;
- }
- struct snd_sof_pcm *snd_sof_find_spcm_name(struct snd_soc_component *scomp,
- const char *name);
- struct snd_sof_pcm *snd_sof_find_spcm_comp(struct snd_soc_component *scomp,
- unsigned int comp_id,
- int *direction);
- struct snd_sof_pcm *snd_sof_find_spcm_pcm_id(struct snd_soc_component *scomp,
- unsigned int pcm_id);
- const struct sof_ipc_pipe_new *snd_sof_pipeline_find(struct snd_sof_dev *sdev,
- int pipeline_id);
- void snd_sof_pcm_period_elapsed(struct snd_pcm_substream *substream);
- void snd_sof_pcm_period_elapsed_work(struct work_struct *work);
- /*
- * Mixer IPC
- */
- int snd_sof_ipc_set_get_comp_data(struct snd_sof_control *scontrol,
- u32 ipc_cmd,
- enum sof_ipc_ctrl_type ctrl_type,
- enum sof_ipc_ctrl_cmd ctrl_cmd,
- bool send);
- /* PM */
- int sof_restore_pipelines(struct device *dev);
- int sof_set_hw_params_upon_resume(struct device *dev);
- bool snd_sof_stream_suspend_ignored(struct snd_sof_dev *sdev);
- bool snd_sof_dsp_only_d0i3_compatible_stream_active(struct snd_sof_dev *sdev);
- /* Machine driver enumeration */
- int sof_machine_register(struct snd_sof_dev *sdev, void *pdata);
- void sof_machine_unregister(struct snd_sof_dev *sdev, void *pdata);
- #endif
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