/* 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_

  #define PREFIX "ACPI: "

  int early_acpi_osi_init(void);
  int acpi_osi_init(void);

  acpi_status acpi_os_initialize1(void);

  int 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);

  #ifdef CONFIG_ARM_AMBA
  void acpi_amba_init(void);
  #else
  static inline void acpi_amba_init(void) {}
  #endif

  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

  #ifdef 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_handler(u32 event, void *table, void *context);

  /* --------------------------------------------------------------------------

                       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 {

  	char bus_id[15];
  	unsigned int instance_no;
  	struct list_head node;
  };

  int acpi_device_add(struct acpi_device *device,
  		    void (*release)(struct device *));

  void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
  			     int type, unsigned long long sta);

  int acpi_device_setup_files(struct acpi_device *dev);
  void acpi_device_remove_files(struct acpi_device *dev);

  void acpi_device_add_finalize(struct acpi_device *device);

  void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);

  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
     -------------------------------------------------------------------------- */
  struct acpi_device *acpi_companion_match(const struct device *dev);
  int __acpi_device_uevent_modalias(struct acpi_device *adev,
  				  struct kobj_uevent_env *env);
  
  /* --------------------------------------------------------------------------

                                    Power Resource
     -------------------------------------------------------------------------- */

  int acpi_power_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);
  int 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);

  /* --------------------------------------------------------------------------
                                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_set_pdc(void);

  #else
  static inline void acpi_early_processor_set_pdc(void) {}
  #endif

  #ifdef CONFIG_X86
  void acpi_early_processor_osc(void);
  #else
  static inline void acpi_early_processor_osc(void) {}
  #endif

  /* --------------------------------------------------------------------------
                                    Embedded Controller
     -------------------------------------------------------------------------- */

  struct acpi_ec {
  	acpi_handle handle;

  	u32 gpe;

  	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;

  	unsigned long nr_pending_queries;

  	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);

  int 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);

  #ifdef CONFIG_PM_SLEEP
  void acpi_ec_flush_work(void);

  bool acpi_ec_dispatch_gpe(void);

  #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

  /*--------------------------------------------------------------------------

  				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

  #endif /* _ACPI_INTERNAL_H_ */