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/* SPDX-License-Identifier: GPL-2.0
*
* soc-component.h
*
* Copyright (C) 2019 Renesas Electronics Corp.
* Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
*/
#ifndef __SOC_COMPONENT_H
#define __SOC_COMPONENT_H
#include <sound/soc.h>
/*
* Component probe and remove ordering levels for components with runtime
* dependencies.
*/
#define SND_SOC_COMP_ORDER_FIRST -2
#define SND_SOC_COMP_ORDER_EARLY -1
#define SND_SOC_COMP_ORDER_NORMAL 0
#define SND_SOC_COMP_ORDER_LATE 1
#define SND_SOC_COMP_ORDER_LAST 2
#define for_each_comp_order(order) \
for (order = SND_SOC_COMP_ORDER_FIRST; \
order <= SND_SOC_COMP_ORDER_LAST; \
order++)
/* component interface */
struct snd_compress_ops {
int (*open)(struct snd_soc_component *component,
struct snd_compr_stream *stream);
int (*free)(struct snd_soc_component *component,
struct snd_compr_stream *stream);
int (*set_params)(struct snd_soc_component *component,
struct snd_compr_stream *stream,
struct snd_compr_params *params);
int (*get_params)(struct snd_soc_component *component,
struct snd_compr_stream *stream,
struct snd_codec *params);
int (*set_metadata)(struct snd_soc_component *component,
struct snd_compr_stream *stream,
struct snd_compr_metadata *metadata);
int (*get_metadata)(struct snd_soc_component *component,
struct snd_compr_stream *stream,
struct snd_compr_metadata *metadata);
int (*trigger)(struct snd_soc_component *component,
struct snd_compr_stream *stream, int cmd);
int (*pointer)(struct snd_soc_component *component,
struct snd_compr_stream *stream,
struct snd_compr_tstamp *tstamp);
int (*copy)(struct snd_soc_component *component,
struct snd_compr_stream *stream, char __user *buf,
size_t count);
int (*mmap)(struct snd_soc_component *component,
struct snd_compr_stream *stream,
struct vm_area_struct *vma);
int (*ack)(struct snd_soc_component *component,
struct snd_compr_stream *stream, size_t bytes);
int (*get_caps)(struct snd_soc_component *component,
struct snd_compr_stream *stream,
struct snd_compr_caps *caps);
int (*get_codec_caps)(struct snd_soc_component *component,
struct snd_compr_stream *stream,
struct snd_compr_codec_caps *codec);
};
struct snd_soc_component_driver {
const char *name;
/* Default control and setup, added after probe() is run */
const struct snd_kcontrol_new *controls;
unsigned int num_controls;
const struct snd_soc_dapm_widget *dapm_widgets;
unsigned int num_dapm_widgets;
const struct snd_soc_dapm_route *dapm_routes;
unsigned int num_dapm_routes;
int (*probe)(struct snd_soc_component *component);
void (*remove)(struct snd_soc_component *component);
int (*suspend)(struct snd_soc_component *component);
int (*resume)(struct snd_soc_component *component);
unsigned int (*read)(struct snd_soc_component *component,
unsigned int reg);
int (*write)(struct snd_soc_component *component,
unsigned int reg, unsigned int val);
/* pcm creation and destruction */
int (*pcm_construct)(struct snd_soc_component *component,
struct snd_soc_pcm_runtime *rtd);
void (*pcm_destruct)(struct snd_soc_component *component,
struct snd_pcm *pcm);
/* component wide operations */
int (*set_sysclk)(struct snd_soc_component *component,
int clk_id, int source, unsigned int freq, int dir);
int (*set_pll)(struct snd_soc_component *component, int pll_id,
int source, unsigned int freq_in, unsigned int freq_out);
int (*set_jack)(struct snd_soc_component *component,
struct snd_soc_jack *jack, void *data);
/* DT */
int (*of_xlate_dai_name)(struct snd_soc_component *component,
struct of_phandle_args *args,
const char **dai_name);
int (*of_xlate_dai_id)(struct snd_soc_component *comment,
struct device_node *endpoint);
void (*seq_notifier)(struct snd_soc_component *component,
enum snd_soc_dapm_type type, int subseq);
int (*stream_event)(struct snd_soc_component *component, int event);
int (*set_bias_level)(struct snd_soc_component *component,
enum snd_soc_bias_level level);
int (*open)(struct snd_soc_component *component,
struct snd_pcm_substream *substream);
int (*close)(struct snd_soc_component *component,
struct snd_pcm_substream *substream);
int (*ioctl)(struct snd_soc_component *component,
struct snd_pcm_substream *substream,
unsigned int cmd, void *arg);
int (*hw_params)(struct snd_soc_component *component,
struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params);
int (*hw_free)(struct snd_soc_component *component,
struct snd_pcm_substream *substream);
int (*prepare)(struct snd_soc_component *component,
struct snd_pcm_substream *substream);
int (*trigger)(struct snd_soc_component *component,
struct snd_pcm_substream *substream, int cmd);
int (*sync_stop)(struct snd_soc_component *component,
struct snd_pcm_substream *substream);
snd_pcm_uframes_t (*pointer)(struct snd_soc_component *component,
struct snd_pcm_substream *substream);
int (*get_time_info)(struct snd_soc_component *component,
struct snd_pcm_substream *substream, struct timespec64 *system_ts,
struct timespec64 *audio_ts,
struct snd_pcm_audio_tstamp_config *audio_tstamp_config,
struct snd_pcm_audio_tstamp_report *audio_tstamp_report);
int (*copy_user)(struct snd_soc_component *component,
struct snd_pcm_substream *substream, int channel,
unsigned long pos, void __user *buf,
unsigned long bytes);
struct page *(*page)(struct snd_soc_component *component,
struct snd_pcm_substream *substream,
unsigned long offset);
int (*mmap)(struct snd_soc_component *component,
struct snd_pcm_substream *substream,
struct vm_area_struct *vma);
const struct snd_compress_ops *compress_ops;
/* probe ordering - for components with runtime dependencies */
int probe_order;
int remove_order;
/*
* signal if the module handling the component should not be removed
* if a pcm is open. Setting this would prevent the module
* refcount being incremented in probe() but allow it be incremented
* when a pcm is opened and decremented when it is closed.
*/
unsigned int module_get_upon_open:1;
/* bits */
unsigned int idle_bias_on:1;
unsigned int suspend_bias_off:1;
unsigned int use_pmdown_time:1; /* care pmdown_time at stop */
unsigned int endianness:1;
unsigned int non_legacy_dai_naming:1;
/* this component uses topology and ignore machine driver FEs */
const char *ignore_machine;
const char *topology_name_prefix;
int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
struct snd_pcm_hw_params *params);
bool use_dai_pcm_id; /* use DAI link PCM ID as PCM device number */
int be_pcm_base; /* base device ID for all BE PCMs */
};
struct snd_soc_component {
const char *name;
int id;
const char *name_prefix;
struct device *dev;
struct snd_soc_card *card;
unsigned int active;
unsigned int suspended:1; /* is in suspend PM state */
struct list_head list;
struct list_head card_aux_list; /* for auxiliary bound components */
struct list_head card_list;
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