drivers/acpi/internal.h - linux - Git at Google

 /* 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_PCI
 void acpi_pci_root_init(void);
 void acpi_pci_link_init(void);
 #else
 static inline void acpi_pci_root_init(void) {}
 static inline void acpi_pci_link_init(void) {}
 #endif
 void acpi_processor_init(void);
 void acpi_platform_init(void);
 void acpi_pnp_init(void);
 void acpi_int340x_thermal_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_IOAPIC
 void pci_ioapic_remove(struct acpi_pci_root *root);
 int acpi_ioapic_remove(struct acpi_pci_root *root);
 #else
 static 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_DOCK
 void 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);
 #else
 static 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_X86
 void acpi_cmos_rtc_init(void);
 #else
 static inline void acpi_cmos_rtc_init(void) {}
 #endif
 int 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_FS
 extern struct dentry *acpi_debugfs_dir;
 void acpi_debugfs_init(void);
 #else
 static inline void acpi_debugfs_init(void) { return; }
 #endif

 #if defined(CONFIG_X86) && defined(CONFIG_PCI)
 void acpi_lpss_init(void);
 #else
 static 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_ARM64
 int acpi_arch_thermal_cpufreq_pctg(void);
 #else
 static 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_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_PDC
 void acpi_early_processor_control_setup(void);
 void acpi_early_processor_set_pdc(void);
 #ifdef CONFIG_X86
 void acpi_proc_quirk_mwait_check(void);
 #else
 static inline void acpi_proc_quirk_mwait_check(void) {}
 #endif
 bool processor_physically_present(acpi_handle handle);
 #else
 static inline void acpi_early_processor_control_setup(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_SLEEP
 void 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_SUPPORT
 extern bool acpi_s2idle_wakeup(void);
 extern int acpi_sleep_init(void);
 #else
 static inline bool acpi_s2idle_wakeup(void) { return false; }
 static inline int acpi_sleep_init(void) { return -ENXIO; }
 #endif

 #ifdef CONFIG_ACPI_SLEEP
 void 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);
 #else
 static 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_X86
 bool force_storage_d3(void);
 #else
 static 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_X86
 void acpi_extract_apple_properties(struct acpi_device *adev);
 #else
 static inline void acpi_extract_apple_properties(struct acpi_device *adev) {}
 #endif

 /*--------------------------------------------------------------------------
 				Watchdog
   -------------------------------------------------------------------------- */

 #ifdef CONFIG_ACPI_WATCHDOG
 void acpi_watchdog_init(void);
 #else
 static inline void acpi_watchdog_init(void) {}
 #endif

 #ifdef CONFIG_ACPI_LPIT
 void acpi_init_lpit(void);
 #else
 static 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_X86
 bool acpi_graph_ignore_port(acpi_handle handle);
 #else
 static inline bool acpi_graph_ignore_port(acpi_handle handle) { return false; }
 #endif

 #endif /* _ACPI_INTERNAL_H_ */
	/* 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_PCI
	void acpi_pci_root_init(void);
	void acpi_pci_link_init(void);
	#else
	static inline void acpi_pci_root_init(void) {}
	static inline void acpi_pci_link_init(void) {}
	#endif
	void acpi_processor_init(void);
	void acpi_platform_init(void);
	void acpi_pnp_init(void);
	void acpi_int340x_thermal_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_IOAPIC
	void pci_ioapic_remove(struct acpi_pci_root *root);
	int acpi_ioapic_remove(struct acpi_pci_root *root);
	#else
	static 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_DOCK
	void 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);
	#else
	static 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_X86
	void acpi_cmos_rtc_init(void);
	#else
	static inline void acpi_cmos_rtc_init(void) {}
	#endif
	int 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_FS
	extern struct dentry *acpi_debugfs_dir;
	void acpi_debugfs_init(void);
	#else
	static inline void acpi_debugfs_init(void) { return; }
	#endif

	#if defined(CONFIG_X86) && defined(CONFIG_PCI)
	void acpi_lpss_init(void);
	#else
	static 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_ARM64
	int acpi_arch_thermal_cpufreq_pctg(void);
	#else
	static 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_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_PDC
	void acpi_early_processor_control_setup(void);
	void acpi_early_processor_set_pdc(void);
	#ifdef CONFIG_X86
	void acpi_proc_quirk_mwait_check(void);
	#else
	static inline void acpi_proc_quirk_mwait_check(void) {}
	#endif
	bool processor_physically_present(acpi_handle handle);
	#else
	static inline void acpi_early_processor_control_setup(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_SLEEP
	void 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_SUPPORT
	extern bool acpi_s2idle_wakeup(void);
	extern int acpi_sleep_init(void);
	#else
	static inline bool acpi_s2idle_wakeup(void) { return false; }
	static inline int acpi_sleep_init(void) { return -ENXIO; }
	#endif

	#ifdef CONFIG_ACPI_SLEEP
	void 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);
	#else
	static 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_X86
	bool force_storage_d3(void);
	#else
	static 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_X86
	void acpi_extract_apple_properties(struct acpi_device *adev);
	#else
	static inline void acpi_extract_apple_properties(struct acpi_device *adev) {}
	#endif

	/*--------------------------------------------------------------------------
	Watchdog
	-------------------------------------------------------------------------- */

	#ifdef CONFIG_ACPI_WATCHDOG
	void acpi_watchdog_init(void);
	#else
	static inline void acpi_watchdog_init(void) {}
	#endif

	#ifdef CONFIG_ACPI_LPIT
	void acpi_init_lpit(void);
	#else
	static 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_X86
	bool acpi_graph_ignore_port(acpi_handle handle);
	#else
	static inline bool acpi_graph_ignore_port(acpi_handle handle) { return false; }
	#endif

	#endif /* _ACPI_INTERNAL_H_ */