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-rw-r--r--include/sound/soc-component.h521
1 files changed, 521 insertions, 0 deletions
diff --git a/include/sound/soc-component.h b/include/sound/soc-component.h
new file mode 100644
index 000000000..c26ffb033
--- /dev/null
+++ b/include/sound/soc-component.h
@@ -0,0 +1,521 @@
+/* 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,
+ const 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);
+ int (*ack)(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream);
+ snd_pcm_sframes_t (*delay)(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream);
+
+ 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 */
+ /*
+ * Indicates that the component does not care about the endianness of
+ * PCM audio data and the core will ensure that both LE and BE variants
+ * of each used format are present. Typically this is because the
+ * component sits behind a bus that abstracts away the endian of the
+ * original data, ie. one for which the transmission endian is defined
+ * (I2S/SLIMbus/SoundWire), or the concept of endian doesn't exist (PDM,
+ * analogue).
+ */
+ unsigned int endianness:1;
+ unsigned int 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 */
+
+#ifdef CONFIG_DEBUG_FS
+ const char *debugfs_prefix;
+#endif
+};
+
+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;
+
+ const struct snd_soc_component_driver *driver;
+
+ struct list_head dai_list;
+ int num_dai;
+
+ struct regmap *regmap;
+ int val_bytes;
+
+ struct mutex io_mutex;
+
+ /* attached dynamic objects */
+ struct list_head dobj_list;
+
+ /*
+ * DO NOT use any of the fields below in drivers, they are temporary and
+ * are going to be removed again soon. If you use them in driver code
+ * the driver will be marked as BROKEN when these fields are removed.
+ */
+
+ /* Don't use these, use snd_soc_component_get_dapm() */
+ struct snd_soc_dapm_context dapm;
+
+ /* machine specific init */
+ int (*init)(struct snd_soc_component *component);
+
+ /* function mark */
+ void *mark_module;
+ struct snd_pcm_substream *mark_open;
+ struct snd_pcm_substream *mark_hw_params;
+ struct snd_pcm_substream *mark_trigger;
+ struct snd_compr_stream *mark_compr_open;
+ void *mark_pm;
+
+ struct dentry *debugfs_root;
+ const char *debugfs_prefix;
+};
+
+#define for_each_component_dais(component, dai)\
+ list_for_each_entry(dai, &(component)->dai_list, list)
+#define for_each_component_dais_safe(component, dai, _dai)\
+ list_for_each_entry_safe(dai, _dai, &(component)->dai_list, list)
+
+/**
+ * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is
+ * embedded in
+ * @dapm: The DAPM context to cast to the component
+ *
+ * This function must only be used on DAPM contexts that are known to be part of
+ * a component (e.g. in a component driver). Otherwise the behavior is
+ * undefined.
+ */
+static inline struct snd_soc_component *snd_soc_dapm_to_component(
+ struct snd_soc_dapm_context *dapm)
+{
+ return container_of(dapm, struct snd_soc_component, dapm);
+}
+
+/**
+ * snd_soc_component_get_dapm() - Returns the DAPM context associated with a
+ * component
+ * @component: The component for which to get the DAPM context
+ */
+static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm(
+ struct snd_soc_component *component)
+{
+ return &component->dapm;
+}
+
+/**
+ * snd_soc_component_init_bias_level() - Initialize COMPONENT DAPM bias level
+ * @component: The COMPONENT for which to initialize the DAPM bias level
+ * @level: The DAPM level to initialize to
+ *
+ * Initializes the COMPONENT DAPM bias level. See snd_soc_dapm_init_bias_level()
+ */
+static inline void
+snd_soc_component_init_bias_level(struct snd_soc_component *component,
+ enum snd_soc_bias_level level)
+{
+ snd_soc_dapm_init_bias_level(
+ snd_soc_component_get_dapm(component), level);
+}
+
+/**
+ * snd_soc_component_get_bias_level() - Get current COMPONENT DAPM bias level
+ * @component: The COMPONENT for which to get the DAPM bias level
+ *
+ * Returns: The current DAPM bias level of the COMPONENT.
+ */
+static inline enum snd_soc_bias_level
+snd_soc_component_get_bias_level(struct snd_soc_component *component)
+{
+ return snd_soc_dapm_get_bias_level(
+ snd_soc_component_get_dapm(component));
+}
+
+/**
+ * snd_soc_component_force_bias_level() - Set the COMPONENT DAPM bias level
+ * @component: The COMPONENT for which to set the level
+ * @level: The level to set to
+ *
+ * Forces the COMPONENT bias level to a specific state. See
+ * snd_soc_dapm_force_bias_level().
+ */
+static inline int
+snd_soc_component_force_bias_level(struct snd_soc_component *component,
+ enum snd_soc_bias_level level)
+{
+ return snd_soc_dapm_force_bias_level(
+ snd_soc_component_get_dapm(component),
+ level);
+}
+
+/**
+ * snd_soc_dapm_kcontrol_component() - Returns the component associated to a
+ * kcontrol
+ * @kcontrol: The kcontrol
+ *
+ * This function must only be used on DAPM contexts that are known to be part of
+ * a COMPONENT (e.g. in a COMPONENT driver). Otherwise the behavior is undefined
+ */
+static inline struct snd_soc_component *snd_soc_dapm_kcontrol_component(
+ struct snd_kcontrol *kcontrol)
+{
+ return snd_soc_dapm_to_component(snd_soc_dapm_kcontrol_dapm(kcontrol));
+}
+
+/**
+ * snd_soc_component_cache_sync() - Sync the register cache with the hardware
+ * @component: COMPONENT to sync
+ *
+ * Note: This function will call regcache_sync()
+ */
+static inline int snd_soc_component_cache_sync(
+ struct snd_soc_component *component)
+{
+ return regcache_sync(component->regmap);
+}
+
+void snd_soc_component_set_aux(struct snd_soc_component *component,
+ struct snd_soc_aux_dev *aux);
+int snd_soc_component_init(struct snd_soc_component *component);
+int snd_soc_component_is_dummy(struct snd_soc_component *component);
+
+/* component IO */
+unsigned int snd_soc_component_read(struct snd_soc_component *component,
+ unsigned int reg);
+int snd_soc_component_write(struct snd_soc_component *component,
+ unsigned int reg, unsigned int val);
+int snd_soc_component_update_bits(struct snd_soc_component *component,
+ unsigned int reg, unsigned int mask,
+ unsigned int val);
+int snd_soc_component_update_bits_async(struct snd_soc_component *component,
+ unsigned int reg, unsigned int mask,
+ unsigned int val);
+void snd_soc_component_async_complete(struct snd_soc_component *component);
+int snd_soc_component_test_bits(struct snd_soc_component *component,
+ unsigned int reg, unsigned int mask,
+ unsigned int value);
+
+unsigned int snd_soc_component_read_field(struct snd_soc_component *component,
+ unsigned int reg, unsigned int mask);
+int snd_soc_component_write_field(struct snd_soc_component *component,
+ unsigned int reg, unsigned int mask,
+ unsigned int val);
+
+/* component wide operations */
+int snd_soc_component_set_sysclk(struct snd_soc_component *component,
+ int clk_id, int source,
+ unsigned int freq, int dir);
+int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id,
+ int source, unsigned int freq_in,
+ unsigned int freq_out);
+int snd_soc_component_set_jack(struct snd_soc_component *component,
+ struct snd_soc_jack *jack, void *data);
+
+void snd_soc_component_seq_notifier(struct snd_soc_component *component,
+ enum snd_soc_dapm_type type, int subseq);
+int snd_soc_component_stream_event(struct snd_soc_component *component,
+ int event);
+int snd_soc_component_set_bias_level(struct snd_soc_component *component,
+ enum snd_soc_bias_level level);
+
+void snd_soc_component_setup_regmap(struct snd_soc_component *component);
+#ifdef CONFIG_REGMAP
+void snd_soc_component_init_regmap(struct snd_soc_component *component,
+ struct regmap *regmap);
+void snd_soc_component_exit_regmap(struct snd_soc_component *component);
+#endif
+
+#define snd_soc_component_module_get_when_probe(component)\
+ snd_soc_component_module_get(component, NULL, 0)
+#define snd_soc_component_module_get_when_open(component, substream) \
+ snd_soc_component_module_get(component, substream, 1)
+int snd_soc_component_module_get(struct snd_soc_component *component,
+ void *mark, int upon_open);
+#define snd_soc_component_module_put_when_remove(component) \
+ snd_soc_component_module_put(component, NULL, 0, 0)
+#define snd_soc_component_module_put_when_close(component, substream, rollback) \
+ snd_soc_component_module_put(component, substream, 1, rollback)
+void snd_soc_component_module_put(struct snd_soc_component *component,
+ void *mark, int upon_open, int rollback);
+
+static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c,
+ void *data)
+{
+ dev_set_drvdata(c->dev, data);
+}
+
+static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c)
+{
+ return dev_get_drvdata(c->dev);
+}
+
+static inline unsigned int
+snd_soc_component_active(struct snd_soc_component *component)
+{
+ return component->active;
+}
+
+/* component pin */
+int snd_soc_component_enable_pin(struct snd_soc_component *component,
+ const char *pin);
+int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component,
+ const char *pin);
+int snd_soc_component_disable_pin(struct snd_soc_component *component,
+ const char *pin);
+int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component,
+ const char *pin);
+int snd_soc_component_nc_pin(struct snd_soc_component *component,
+ const char *pin);
+int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component,
+ const char *pin);
+int snd_soc_component_get_pin_status(struct snd_soc_component *component,
+ const char *pin);
+int snd_soc_component_force_enable_pin(struct snd_soc_component *component,
+ const char *pin);
+int snd_soc_component_force_enable_pin_unlocked(
+ struct snd_soc_component *component,
+ const char *pin);
+
+/* component driver ops */
+int snd_soc_component_open(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream);
+int snd_soc_component_close(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream,
+ int rollback);
+void snd_soc_component_suspend(struct snd_soc_component *component);
+void snd_soc_component_resume(struct snd_soc_component *component);
+int snd_soc_component_is_suspended(struct snd_soc_component *component);
+int snd_soc_component_probe(struct snd_soc_component *component);
+void snd_soc_component_remove(struct snd_soc_component *component);
+int snd_soc_component_of_xlate_dai_id(struct snd_soc_component *component,
+ struct device_node *ep);
+int snd_soc_component_of_xlate_dai_name(struct snd_soc_component *component,
+ const struct of_phandle_args *args,
+ const char **dai_name);
+int snd_soc_component_compr_open(struct snd_soc_component *component,
+ struct snd_compr_stream *cstream);
+void snd_soc_component_compr_free(struct snd_soc_component *component,
+ struct snd_compr_stream *cstream,
+ int rollback);
+int snd_soc_component_compr_trigger(struct snd_compr_stream *cstream, int cmd);
+int snd_soc_component_compr_set_params(struct snd_compr_stream *cstream,
+ struct snd_compr_params *params);
+int snd_soc_component_compr_get_params(struct snd_compr_stream *cstream,
+ struct snd_codec *params);
+int snd_soc_component_compr_get_caps(struct snd_compr_stream *cstream,
+ struct snd_compr_caps *caps);
+int snd_soc_component_compr_get_codec_caps(struct snd_compr_stream *cstream,
+ struct snd_compr_codec_caps *codec);
+int snd_soc_component_compr_ack(struct snd_compr_stream *cstream, size_t bytes);
+int snd_soc_component_compr_pointer(struct snd_compr_stream *cstream,
+ struct snd_compr_tstamp *tstamp);
+int snd_soc_component_compr_copy(struct snd_compr_stream *cstream,
+ char __user *buf, size_t count);
+int snd_soc_component_compr_set_metadata(struct snd_compr_stream *cstream,
+ struct snd_compr_metadata *metadata);
+int snd_soc_component_compr_get_metadata(struct snd_compr_stream *cstream,
+ struct snd_compr_metadata *metadata);
+
+int snd_soc_pcm_component_pointer(struct snd_pcm_substream *substream);
+int snd_soc_pcm_component_ioctl(struct snd_pcm_substream *substream,
+ unsigned int cmd, void *arg);
+int snd_soc_pcm_component_sync_stop(struct snd_pcm_substream *substream);
+int snd_soc_pcm_component_copy_user(struct snd_pcm_substream *substream,
+ int channel, unsigned long pos,
+ void __user *buf, unsigned long bytes);
+struct page *snd_soc_pcm_component_page(struct snd_pcm_substream *substream,
+ unsigned long offset);
+int snd_soc_pcm_component_mmap(struct snd_pcm_substream *substream,
+ struct vm_area_struct *vma);
+int snd_soc_pcm_component_new(struct snd_soc_pcm_runtime *rtd);
+void snd_soc_pcm_component_free(struct snd_soc_pcm_runtime *rtd);
+int snd_soc_pcm_component_prepare(struct snd_pcm_substream *substream);
+int snd_soc_pcm_component_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params);
+void snd_soc_pcm_component_hw_free(struct snd_pcm_substream *substream,
+ int rollback);
+int snd_soc_pcm_component_trigger(struct snd_pcm_substream *substream,
+ int cmd, int rollback);
+int snd_soc_pcm_component_pm_runtime_get(struct snd_soc_pcm_runtime *rtd,
+ void *stream);
+void snd_soc_pcm_component_pm_runtime_put(struct snd_soc_pcm_runtime *rtd,
+ void *stream, int rollback);
+int snd_soc_pcm_component_ack(struct snd_pcm_substream *substream);
+void snd_soc_pcm_component_delay(struct snd_pcm_substream *substream,
+ snd_pcm_sframes_t *cpu_delay, snd_pcm_sframes_t *codec_delay);
+
+#endif /* __SOC_COMPONENT_H */