/* SPDX-License-Identifier: GPL-2.0-only *//* * acpi/internal.h * For use by Linux/ACPI infrastructure, not drivers * * Copyright (c) 2009, Intel Corporation. */ #ifndef _ACPI_INTERNAL_H_#define _ACPI_INTERNAL_H_ #include <linux/idr.h> extern struct acpi_device *acpi_root; int early_acpi_osi_init(void);int acpi_osi_init(void);acpi_status acpi_os_initialize1(void);void acpi_scan_init(void);#ifdef CONFIG_PCIvoid acpi_pci_root_init(void);void acpi_pci_link_init(void);#elsestatic inline void acpi_pci_root_init(void) {}static inline void acpi_pci_link_init(void) {}#endifvoid acpi_processor_init(void);void acpi_platform_init(void);void acpi_pnp_init(void);int acpi_sysfs_init(void);void acpi_gpe_apply_masked_gpes(void);void acpi_container_init(void);void acpi_memory_hotplug_init(void);#ifdef	CONFIG_ACPI_HOTPLUG_IOAPICvoid pci_ioapic_remove(struct acpi_pci_root *root);int acpi_ioapic_remove(struct acpi_pci_root *root);#elsestatic inline void pci_ioapic_remove(struct acpi_pci_root *root) { return; }static inline int acpi_ioapic_remove(struct acpi_pci_root *root) { return 0; }#endif#ifdef CONFIG_ACPI_DOCKvoid register_dock_dependent_device(struct acpi_device *adev,				    acpi_handle dshandle);int dock_notify(struct acpi_device *adev, u32 event);void acpi_dock_add(struct acpi_device *adev);#elsestatic inline void register_dock_dependent_device(struct acpi_device *adev,						  acpi_handle dshandle) {}static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; }static inline void acpi_dock_add(struct acpi_device *adev) {}#endif#ifdef CONFIG_X86void acpi_cmos_rtc_init(void);#elsestatic inline void acpi_cmos_rtc_init(void) {}#endifint acpi_rev_override_setup(char *str); void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,				    const char *name);int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler,				       const char *hotplug_profile_name);void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val); #ifdef CONFIG_DEBUG_FSextern struct dentry *acpi_debugfs_dir;void acpi_debugfs_init(void);#elsestatic inline void acpi_debugfs_init(void) { return; }#endif #if defined(CONFIG_X86) && defined(CONFIG_PCI)void acpi_lpss_init(void);#elsestatic inline void acpi_lpss_init(void) {}#endif void acpi_apd_init(void); acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src);bool acpi_queue_hotplug_work(struct work_struct *work);void acpi_device_hotplug(struct acpi_device *adev, u32 src);bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent); acpi_status acpi_sysfs_table_handler(u32 event, void *table, void *context);void acpi_scan_table_notify(void); int acpi_active_trip_temp(struct acpi_device *adev, int id, int *ret_temp);int acpi_passive_trip_temp(struct acpi_device *adev, int *ret_temp);int acpi_hot_trip_temp(struct acpi_device *adev, int *ret_temp);int acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp); #ifdef CONFIG_ARM64int acpi_arch_thermal_cpufreq_pctg(void);#elsestatic inline int acpi_arch_thermal_cpufreq_pctg(void){	return 0;}#endif /* --------------------------------------------------------------------------                     Device Node Initialization / Removal   -------------------------------------------------------------------------- */#define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \			  ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING) extern struct list_head acpi_bus_id_list; struct acpi_device_bus_id {	const char *bus_id;	struct ida instance_ida;	struct list_head node;}; void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,			     int type, void (*release)(struct device *));int acpi_tie_acpi_dev(struct acpi_device *adev);int acpi_device_add(struct acpi_device *device);void acpi_device_setup_files(struct acpi_device *dev);void acpi_device_remove_files(struct acpi_device *dev);extern const struct attribute_group *acpi_groups[];void acpi_device_add_finalize(struct acpi_device *device);void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);bool acpi_device_is_enabled(const struct acpi_device *adev);bool acpi_device_is_present(const struct acpi_device *adev);bool acpi_device_is_battery(struct acpi_device *adev);bool acpi_device_is_first_physical_node(struct acpi_device *adev,					const struct device *dev);int acpi_bus_register_early_device(int type); /* --------------------------------------------------------------------------                     Device Matching and Notification   -------------------------------------------------------------------------- */const struct acpi_device *acpi_companion_match(const struct device *dev);int __acpi_device_uevent_modalias(const struct acpi_device *adev,				  struct kobj_uevent_env *env); /* --------------------------------------------------------------------------                                  Power Resource   -------------------------------------------------------------------------- */void acpi_power_resources_init(void);void acpi_power_resources_list_free(struct list_head *list);int acpi_extract_power_resources(union acpi_object *package, unsigned int start,				 struct list_head *list);struct acpi_device *acpi_add_power_resource(acpi_handle handle);void acpi_power_add_remove_device(struct acpi_device *adev, bool add);int acpi_power_wakeup_list_init(struct list_head *list, int *system_level);int acpi_device_sleep_wake(struct acpi_device *dev,			   int enable, int sleep_state, int dev_state);int acpi_power_get_inferred_state(struct acpi_device *device, int *state);int acpi_power_on_resources(struct acpi_device *device, int state);int acpi_power_transition(struct acpi_device *device, int state);void acpi_turn_off_unused_power_resources(void); /* --------------------------------------------------------------------------                              Device Power Management   -------------------------------------------------------------------------- */int acpi_device_get_power(struct acpi_device *device, int *state);int acpi_wakeup_device_init(void); /* --------------------------------------------------------------------------                                  Processor   -------------------------------------------------------------------------- */#ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDCvoid acpi_early_processor_control_setup(void);void acpi_early_processor_set_pdc(void);#ifdef CONFIG_X86void acpi_proc_quirk_mwait_check(void);#elsestatic inline void acpi_proc_quirk_mwait_check(void) {}#endifbool processor_physically_present(acpi_handle handle);#elsestatic inline void acpi_early_processor_control_setup(void) {}#endif #ifdef CONFIG_ACPI_PROCESSOR_CSTATEvoid acpi_idle_rescan_dead_smt_siblings(void);#elsestatic inline void acpi_idle_rescan_dead_smt_siblings(void) {}#endif /* --------------------------------------------------------------------------                                  Embedded Controller   -------------------------------------------------------------------------- */ enum acpi_ec_event_state {	EC_EVENT_READY = 0,	/* Event work can be submitted */	EC_EVENT_IN_PROGRESS,	/* Event work is pending or being processed */	EC_EVENT_COMPLETE,	/* Event work processing has completed */}; struct acpi_ec {	acpi_handle handle;	int gpe;	int irq;	unsigned long command_addr;	unsigned long data_addr;	bool global_lock;	unsigned long flags;	unsigned long reference_count;	struct mutex mutex;	wait_queue_head_t wait;	struct list_head list;	struct transaction *curr;	spinlock_t lock;	struct work_struct work;	unsigned long timestamp;	enum acpi_ec_event_state event_state;	unsigned int events_to_process;	unsigned int events_in_progress;	unsigned int queries_in_progress;	bool busy_polling;	unsigned int polling_guard;}; extern struct acpi_ec *first_ec; /* If we find an EC via the ECDT, we need to keep a ptr to its context *//* External interfaces use first EC only, so remember */typedef int (*acpi_ec_query_func) (void *data); #ifdef CONFIG_ACPI_EC void acpi_ec_init(void);void acpi_ec_ecdt_probe(void);void acpi_ec_dsdt_probe(void);void acpi_ec_block_transactions(void);void acpi_ec_unblock_transactions(void);int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit,			      acpi_handle handle, acpi_ec_query_func func,			      void *data);void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit);void acpi_ec_register_opregions(struct acpi_device *adev); #ifdef CONFIG_PM_SLEEPvoid acpi_ec_flush_work(void);bool acpi_ec_dispatch_gpe(void);#endif #else static inline void acpi_ec_init(void) {}static inline void acpi_ec_ecdt_probe(void) {}static inline void acpi_ec_dsdt_probe(void) {}static inline void acpi_ec_block_transactions(void) {}static inline void acpi_ec_unblock_transactions(void) {}static inline int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit,			      acpi_handle handle, acpi_ec_query_func func,			      void *data){	return -ENXIO;}static inline void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit) {}static inline void acpi_ec_register_opregions(struct acpi_device *adev) {} static inline void acpi_ec_flush_work(void) {}static inline bool acpi_ec_dispatch_gpe(void){	return false;} #endif /*--------------------------------------------------------------------------                                  Suspend/Resume  -------------------------------------------------------------------------- */#ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORTextern bool acpi_s2idle_wakeup(void);extern int acpi_sleep_init(void);#elsestatic inline bool acpi_s2idle_wakeup(void) { return false; }static inline int acpi_sleep_init(void) { return -ENXIO; }#endif #ifdef CONFIG_ACPI_SLEEPvoid acpi_sleep_proc_init(void);int suspend_nvs_alloc(void);void suspend_nvs_free(void);int suspend_nvs_save(void);void suspend_nvs_restore(void);#elsestatic inline void acpi_sleep_proc_init(void) {}static inline int suspend_nvs_alloc(void) { return 0; }static inline void suspend_nvs_free(void) {}static inline int suspend_nvs_save(void) { return 0; }static inline void suspend_nvs_restore(void) {}#endif #ifdef CONFIG_X86bool force_storage_d3(void);#elsestatic inline bool force_storage_d3(void){	return false;}#endif /*--------------------------------------------------------------------------				Device properties  -------------------------------------------------------------------------- */#define ACPI_DT_NAMESPACE_HID	"PRP0001" void acpi_init_properties(struct acpi_device *adev);void acpi_free_properties(struct acpi_device *adev); #ifdef CONFIG_X86void acpi_extract_apple_properties(struct acpi_device *adev);#elsestatic inline void acpi_extract_apple_properties(struct acpi_device *adev) {}#endif /*--------------------------------------------------------------------------				Watchdog  -------------------------------------------------------------------------- */ #ifdef CONFIG_ACPI_WATCHDOGvoid acpi_watchdog_init(void);#elsestatic inline void acpi_watchdog_init(void) {}#endif #ifdef CONFIG_ACPI_LPITvoid acpi_init_lpit(void);#elsestatic inline void acpi_init_lpit(void) { }#endif /*--------------------------------------------------------------------------		ACPI _CRS CSI-2 and MIPI DisCo for Imaging  -------------------------------------------------------------------------- */ void acpi_mipi_check_crs_csi2(acpi_handle handle);void acpi_mipi_scan_crs_csi2(void);void acpi_mipi_init_crs_csi2_swnodes(void);void acpi_mipi_crs_csi2_cleanup(void);#ifdef CONFIG_X86bool acpi_graph_ignore_port(acpi_handle handle);#elsestatic inline bool acpi_graph_ignore_port(acpi_handle handle) { return false; }#endif #endif /* _ACPI_INTERNAL_H_ */