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you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #ifndef __SOC_COMPONENT_H #define __SOC_COMPONENT_H #include /* * 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_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_new)(struct snd_soc_pcm_runtime *rtd); void (*pcm_free)(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); const struct snd_pcm_ops *ops; const struct snd_compr_ops *compr_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; 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); #ifdef CONFIG_DEBUG_FS struct dentry *debugfs_root; const char *debugfs_prefix; #endif }; #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); } /* component IO */ int snd_soc_component_read(struct snd_soc_component *component, unsigned int reg, unsigned int *val); unsigned int snd_soc_component_read32(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); /* 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); #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, 0) #define snd_soc_component_module_get_when_open(component) \ snd_soc_component_module_get(component, 1) int snd_soc_component_module_get(struct snd_soc_component *component, int upon_open); #define snd_soc_component_module_put_when_remove(component) \ snd_soc_component_module_put(component, 0) #define snd_soc_component_module_put_when_close(component) \ snd_soc_component_module_put(component, 1) void snd_soc_component_module_put(struct snd_soc_component *component, int upon_open); 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 bool snd_soc_component_is_active( struct snd_soc_component *component) { return component->active != 0; } /* 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 snd_soc_component_prepare(struct snd_soc_component *component, struct snd_pcm_substream *substream); int snd_soc_component_hw_params(struct snd_soc_component *component, struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params); int snd_soc_component_hw_free(struct snd_soc_component *component, struct snd_pcm_substream *substream); int snd_soc_component_trigger(struct snd_soc_component *component, struct snd_pcm_substream *substream, int cmd); 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, struct of_phandle_args *args, const char **dai_name); 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_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_pcm *pcm); void snd_soc_pcm_component_free(struct snd_pcm *pcm); #endif /* __SOC_COMPONENT_H */