/* 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;	int number_configs;	int current_config;	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_volume_info(struct snd_kcontrol *kcontrol,			struct snd_ctl_elem_info *uinfo);int snd_sof_switch_get(struct snd_kcontrol *kcontrol,		       struct snd_ctl_elem_value *ucontrol);int snd_sof_switch_put(struct snd_kcontrol *kcontrol,		       struct snd_ctl_elem_value *ucontrol);int snd_sof_enum_get(struct snd_kcontrol *kcontrol,		     struct snd_ctl_elem_value *ucontrol);int snd_sof_enum_put(struct snd_kcontrol *kcontrol,		     struct snd_ctl_elem_value *ucontrol);int snd_sof_bytes_get(struct snd_kcontrol *kcontrol,		      struct snd_ctl_elem_value *ucontrol);int snd_sof_bytes_put(struct snd_kcontrol *kcontrol,		      struct snd_ctl_elem_value *ucontrol);int snd_sof_bytes_ext_put(struct snd_kcontrol *kcontrol,			  const unsigned int __user *binary_data,			  unsigned int size);int snd_sof_bytes_ext_get(struct snd_kcontrol *kcontrol,			  unsigned int __user *binary_data,			  unsigned int size);int snd_sof_bytes_ext_volatile_get(struct snd_kcontrol *kcontrol, unsigned int __user *binary_data,				   unsigned int size); /* * 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 inlinestruct 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); /* DAI link fixup */int sof_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params); /* 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