/*
   * acpi.h - ACPI Interface
   *
   * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
   *
   * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *

   * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   */
  
  #ifndef _LINUX_ACPI_H
  #define _LINUX_ACPI_H

  #include <linux/errno.h>

  #include <linux/ioport.h>	/* for struct resource */

  #include <linux/resource_ext.h>

  #include <linux/device.h>

  #include <linux/property.h>

  #include <linux/uuid.h>

  #ifndef _LINUX
  #define _LINUX
  #endif

  #include <acpi/acpi.h>
  
  #ifdef	CONFIG_ACPI

  
  #include <linux/list.h>

  #include <linux/mod_devicetable.h>

  #include <linux/dynamic_debug.h>

  #include <linux/module.h>
  #include <linux/mutex.h>

  #include <acpi/acpi_bus.h>
  #include <acpi/acpi_drivers.h>

  #include <acpi/acpi_numa.h>

  #include <acpi/acpi_io.h>

  #include <asm/acpi.h>

  static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
  {
  	return adev ? adev->handle : NULL;
  }

  #define ACPI_COMPANION(dev)		to_acpi_device_node((dev)->fwnode)

  #define ACPI_COMPANION_SET(dev, adev)	set_primary_fwnode(dev, (adev) ? \
  	acpi_fwnode_handle(adev) : NULL)

  #define ACPI_HANDLE(dev)		acpi_device_handle(ACPI_COMPANION(dev))

  static inline struct fwnode_handle *acpi_alloc_fwnode_static(void)
  {
  	struct fwnode_handle *fwnode;
  
  	fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL);
  	if (!fwnode)
  		return NULL;

  	fwnode->ops = &acpi_static_fwnode_ops;

  
  	return fwnode;
  }
  
  static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode)
  {

  	if (WARN_ON(!is_acpi_static_node(fwnode)))

  		return;
  
  	kfree(fwnode);
  }

  /**
   * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with
   * the PCI-defined class-code information
   *
   * @_cls : the class, subclass, prog-if triple for this device
   * @_msk : the class mask for this device
   *
   * This macro is used to create a struct acpi_device_id that matches a
   * specific PCI class. The .id and .driver_data fields will be left
   * initialized with the default value.
   */
  #define ACPI_DEVICE_CLASS(_cls, _msk)	.cls = (_cls), .cls_msk = (_msk),

  static inline bool has_acpi_companion(struct device *dev)
  {

  	return is_acpi_device_node(dev->fwnode);

  }

  static inline void acpi_preset_companion(struct device *dev,
  					 struct acpi_device *parent, u64 addr)
  {
  	ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL));
  }

  static inline const char *acpi_dev_name(struct acpi_device *adev)
  {
  	return dev_name(&adev->dev);
  }

  struct device *acpi_get_first_physical_node(struct acpi_device *adev);

  enum acpi_irq_model_id {
  	ACPI_IRQ_MODEL_PIC = 0,
  	ACPI_IRQ_MODEL_IOAPIC,
  	ACPI_IRQ_MODEL_IOSAPIC,

  	ACPI_IRQ_MODEL_PLATFORM,

  	ACPI_IRQ_MODEL_GIC,

  	ACPI_IRQ_MODEL_COUNT
  };
  
  extern enum acpi_irq_model_id	acpi_irq_model;

  enum acpi_interrupt_id {
  	ACPI_INTERRUPT_PMI	= 1,
  	ACPI_INTERRUPT_INIT,
  	ACPI_INTERRUPT_CPEI,
  	ACPI_INTERRUPT_COUNT
  };
  
  #define	ACPI_SPACE_MEM		0

  enum acpi_address_range_id {
  	ACPI_ADDRESS_RANGE_MEMORY = 1,
  	ACPI_ADDRESS_RANGE_RESERVED = 2,
  	ACPI_ADDRESS_RANGE_ACPI = 3,
  	ACPI_ADDRESS_RANGE_NVS	= 4,
  	ACPI_ADDRESS_RANGE_COUNT
  };

  /* Table Handlers */

  typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);

  typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
  				      const unsigned long end);

  /* Debugger support */
  
  struct acpi_debugger_ops {
  	int (*create_thread)(acpi_osd_exec_callback function, void *context);
  	ssize_t (*write_log)(const char *msg);
  	ssize_t (*read_cmd)(char *buffer, size_t length);
  	int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
  	int (*notify_command_complete)(void);
  };
  
  struct acpi_debugger {
  	const struct acpi_debugger_ops *ops;
  	struct module *owner;
  	struct mutex lock;
  };
  
  #ifdef CONFIG_ACPI_DEBUGGER
  int __init acpi_debugger_init(void);
  int acpi_register_debugger(struct module *owner,
  			   const struct acpi_debugger_ops *ops);
  void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
  int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
  ssize_t acpi_debugger_write_log(const char *msg);
  ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
  int acpi_debugger_wait_command_ready(void);
  int acpi_debugger_notify_command_complete(void);
  #else
  static inline int acpi_debugger_init(void)
  {
  	return -ENODEV;
  }
  
  static inline int acpi_register_debugger(struct module *owner,
  					 const struct acpi_debugger_ops *ops)
  {
  	return -ENODEV;
  }
  
  static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
  {
  }
  
  static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
  					      void *context)
  {
  	return -ENODEV;
  }
  
  static inline int acpi_debugger_write_log(const char *msg)
  {
  	return -ENODEV;
  }
  
  static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
  {
  	return -ENODEV;
  }
  
  static inline int acpi_debugger_wait_command_ready(void)
  {
  	return -ENODEV;
  }
  
  static inline int acpi_debugger_notify_command_complete(void)
  {
  	return -ENODEV;
  }
  #endif

  #define BAD_MADT_ENTRY(entry, end) (					    \
  		(!entry) || (unsigned long)entry + sizeof(*entry) > end ||  \
  		((struct acpi_subtable_header *)entry)->length < sizeof(*entry))

  struct acpi_subtable_proc {
  	int id;
  	acpi_tbl_entry_handler handler;
  	int count;
  };

  void __iomem *__acpi_map_table(unsigned long phys, unsigned long size);
  void __acpi_unmap_table(void __iomem *map, unsigned long size);

  int early_acpi_boot_init(void);

  int acpi_boot_init (void);

  void acpi_boot_table_init (void);

  int acpi_mps_check (void);

  int acpi_numa_init (void);
  
  int acpi_table_init (void);

  int acpi_table_parse(char *id, acpi_tbl_table_handler handler);

  int __init acpi_table_parse_entries(char *id, unsigned long table_size,

  			      int entry_id,
  			      acpi_tbl_entry_handler handler,
  			      unsigned int max_entries);

  int __init acpi_table_parse_entries_array(char *id, unsigned long table_size,
  			      struct acpi_subtable_proc *proc, int proc_num,
  			      unsigned int max_entries);

  int acpi_table_parse_madt(enum acpi_madt_type id,
  			  acpi_tbl_entry_handler handler,
  			  unsigned int max_entries);

  int acpi_parse_mcfg (struct acpi_table_header *header);

  void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);

  /* the following numa functions are architecture-dependent */

  void acpi_numa_slit_init (struct acpi_table_slit *slit);

  
  #if defined(CONFIG_X86) || defined(CONFIG_IA64)

  void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);

  #else
  static inline void
  acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
  #endif

  void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);

  
  #ifdef CONFIG_ARM64
  void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
  #else
  static inline void
  acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
  #endif

  int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);

  #ifndef PHYS_CPUID_INVALID
  typedef u32 phys_cpuid_t;
  #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
  #endif

  static inline bool invalid_logical_cpuid(u32 cpuid)
  {
  	return (int)cpuid < 0;
  }

  static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
  {
  	return phys_id == PHYS_CPUID_INVALID;
  }

  /* Validate the processor object's proc_id */

  bool acpi_duplicate_processor_id(int proc_id);

  #ifdef CONFIG_ACPI_HOTPLUG_CPU
  /* Arch dependent functions for cpu hotplug support */

  int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
  		 int *pcpu);

  int acpi_unmap_cpu(int cpu);

  #endif /* CONFIG_ACPI_HOTPLUG_CPU */

  #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
  int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
  #endif

  int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
  int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);

  int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);

  void acpi_irq_stats_init(void);

  extern u32 acpi_irq_handled;

  extern u32 acpi_irq_not_handled;

  extern unsigned int acpi_sci_irq;

  extern bool acpi_no_s5;

  #define INVALID_ACPI_IRQ	((unsigned)-1)
  static inline bool acpi_sci_irq_valid(void)
  {
  	return acpi_sci_irq != INVALID_ACPI_IRQ;
  }

  extern int sbf_port;

  extern unsigned long acpi_realmode_flags;

  int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);

  int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);

  int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);

  void acpi_set_irq_model(enum acpi_irq_model_id model,
  			struct fwnode_handle *fwnode);

  #ifdef CONFIG_X86_IO_APIC

  extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);

  #else

  #define acpi_get_override_irq(gsi, trigger, polarity) (-1)

  #endif

  /*
   * This function undoes the effect of one call to acpi_register_gsi().
   * If this matches the last registration, any IRQ resources for gsi
   * are freed.
   */

  void acpi_unregister_gsi (u32 gsi);

  struct pci_dev;
  
  int acpi_pci_irq_enable (struct pci_dev *dev);

  void acpi_penalize_isa_irq(int irq, int active);

  bool acpi_isa_irq_available(int irq);

  void acpi_penalize_sci_irq(int irq, int trigger, int polarity);

  void acpi_pci_irq_disable (struct pci_dev *dev);

  extern int ec_read(u8 addr, u8 *val);
  extern int ec_write(u8 addr, u8 val);

  extern int ec_transaction(u8 command,
                            const u8 *wdata, unsigned wdata_len,

                            u8 *rdata, unsigned rdata_len);

  extern acpi_handle ec_get_handle(void);

  extern bool acpi_is_pnp_device(struct acpi_device *);

  #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
  
  typedef void (*wmi_notify_handler) (u32 value, void *context);
  
  extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
  					u32 method_id,
  					const struct acpi_buffer *in,
  					struct acpi_buffer *out);
  extern acpi_status wmi_query_block(const char *guid, u8 instance,
  					struct acpi_buffer *out);
  extern acpi_status wmi_set_block(const char *guid, u8 instance,
  					const struct acpi_buffer *in);
  extern acpi_status wmi_install_notify_handler(const char *guid,
  					wmi_notify_handler handler, void *data);
  extern acpi_status wmi_remove_notify_handler(const char *guid);
  extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
  extern bool wmi_has_guid(const char *guid);
  
  #endif	/* CONFIG_ACPI_WMI */

  #define ACPI_VIDEO_OUTPUT_SWITCHING			0x0001
  #define ACPI_VIDEO_DEVICE_POSTING			0x0002
  #define ACPI_VIDEO_ROM_AVAILABLE			0x0004
  #define ACPI_VIDEO_BACKLIGHT				0x0008
  #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR		0x0010
  #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO		0x0020
  #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR	0x0040
  #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO		0x0080
  #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR			0x0100
  #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO			0x0200
  #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR		0x0400
  #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO		0x0800

  extern char acpi_video_backlight_string[];

  extern long acpi_is_video_device(acpi_handle handle);

  extern int acpi_blacklisted(void);

  extern void acpi_osi_setup(char *str);

  extern bool acpi_osi_is_win8(void);

  #ifdef CONFIG_ACPI_NUMA

  int acpi_map_pxm_to_online_node(int pxm);

  int acpi_get_node(acpi_handle handle);

  #else

  static inline int acpi_map_pxm_to_online_node(int pxm)
  {
  	return 0;
  }

  static inline int acpi_get_node(acpi_handle handle)

  {
  	return 0;
  }

  #endif

  extern int acpi_paddr_to_node(u64 start_addr, u64 size);

  
  extern int pnpacpi_disabled;

  #define PXM_INVAL	(-1)

  bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
  bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
  bool acpi_dev_resource_address_space(struct acpi_resource *ares,

  				     struct resource_win *win);

  bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,

  					 struct resource_win *win);

  unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);

  unsigned int acpi_dev_get_irq_type(int triggering, int polarity);

  bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
  				 struct resource *res);

  void acpi_dev_free_resource_list(struct list_head *list);
  int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
  			   int (*preproc)(struct acpi_resource *, void *),
  			   void *preproc_data);

  int acpi_dev_get_dma_resources(struct acpi_device *adev,
  			       struct list_head *list);

  int acpi_dev_filter_resource_type(struct acpi_resource *ares,
  				  unsigned long types);
  
  static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
  						   void *arg)
  {
  	return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
  }

  struct acpi_device *acpi_resource_consumer(struct resource *res);

  int acpi_check_resource_conflict(const struct resource *res);

  int acpi_check_region(resource_size_t start, resource_size_t n,
  		      const char *name);

  acpi_status acpi_release_memory(acpi_handle handle, struct resource *res,
  				u32 level);

  int acpi_resources_are_enforced(void);

  #ifdef CONFIG_HIBERNATION

  void __init acpi_no_s4_hw_signature(void);

  #endif
  
  #ifdef CONFIG_PM_SLEEP

  void __init acpi_old_suspend_ordering(void);

  void __init acpi_nvs_nosave(void);

  void __init acpi_nvs_nosave_s3(void);

  #endif /* CONFIG_PM_SLEEP */

  struct acpi_osc_context {

  	char *uuid_str;			/* UUID string */

  	int rev;

  	struct acpi_buffer cap;		/* list of DWORD capabilities */
  	struct acpi_buffer ret;		/* free by caller if success */

  };

  acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);

  /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
  #define OSC_QUERY_DWORD				0	/* DWORD 1 */
  #define OSC_SUPPORT_DWORD			1	/* DWORD 2 */
  #define OSC_CONTROL_DWORD			2	/* DWORD 3 */

  /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
  #define OSC_QUERY_ENABLE			0x00000001  /* input */
  #define OSC_REQUEST_ERROR			0x00000002  /* return */
  #define OSC_INVALID_UUID_ERROR			0x00000004  /* return */
  #define OSC_INVALID_REVISION_ERROR		0x00000008  /* return */
  #define OSC_CAPABILITIES_MASK_ERROR		0x00000010  /* return */

  /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
  #define OSC_SB_PAD_SUPPORT			0x00000001
  #define OSC_SB_PPC_OST_SUPPORT			0x00000002
  #define OSC_SB_PR3_SUPPORT			0x00000004
  #define OSC_SB_HOTPLUG_OST_SUPPORT		0x00000008
  #define OSC_SB_APEI_SUPPORT			0x00000010
  #define OSC_SB_CPC_SUPPORT			0x00000020

  #define OSC_SB_CPCV2_SUPPORT			0x00000040
  #define OSC_SB_PCLPI_SUPPORT			0x00000080
  #define OSC_SB_OSLPI_SUPPORT			0x00000100

  #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT		0x00001000

  extern bool osc_sb_apei_support_acked;

  extern bool osc_pc_lpi_support_confirmed;

  /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */

  #define OSC_PCI_EXT_CONFIG_SUPPORT		0x00000001
  #define OSC_PCI_ASPM_SUPPORT			0x00000002
  #define OSC_PCI_CLOCK_PM_SUPPORT		0x00000004

  #define OSC_PCI_SEGMENT_GROUPS_SUPPORT		0x00000008

  #define OSC_PCI_MSI_SUPPORT			0x00000010

  #define OSC_PCI_SUPPORT_MASKS			0x0000001f
  
  /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
  #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL	0x00000001

  #define OSC_PCI_SHPC_NATIVE_HP_CONTROL		0x00000002

  #define OSC_PCI_EXPRESS_PME_CONTROL		0x00000004
  #define OSC_PCI_EXPRESS_AER_CONTROL		0x00000008

  #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL	0x00000010

  #define OSC_PCI_CONTROL_MASKS			0x0000001f

  #define ACPI_GSB_ACCESS_ATTRIB_QUICK		0x00000002
  #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV         0x00000004
  #define ACPI_GSB_ACCESS_ATTRIB_BYTE		0x00000006
  #define ACPI_GSB_ACCESS_ATTRIB_WORD		0x00000008
  #define ACPI_GSB_ACCESS_ATTRIB_BLOCK		0x0000000A
  #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE	0x0000000B
  #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL	0x0000000C
  #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL	0x0000000D
  #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES	0x0000000E
  #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS	0x0000000F

  extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
  					     u32 *mask, u32 req);

  
  /* Enable _OST when all relevant hotplug operations are enabled */
  #if defined(CONFIG_ACPI_HOTPLUG_CPU) &&			\

  	defined(CONFIG_ACPI_HOTPLUG_MEMORY) &&		\

  	defined(CONFIG_ACPI_CONTAINER)

  #define ACPI_HOTPLUG_OST
  #endif
  
  /* _OST Source Event Code (OSPM Action) */
  #define ACPI_OST_EC_OSPM_SHUTDOWN		0x100
  #define ACPI_OST_EC_OSPM_EJECT			0x103
  #define ACPI_OST_EC_OSPM_INSERTION		0x200
  
  /* _OST General Processing Status Code */
  #define ACPI_OST_SC_SUCCESS			0x0
  #define ACPI_OST_SC_NON_SPECIFIC_FAILURE	0x1
  #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY		0x2
  
  /* _OST OS Shutdown Processing (0x100) Status Code */
  #define ACPI_OST_SC_OS_SHUTDOWN_DENIED		0x80
  #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS	0x81
  #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED	0x82
  #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED	0x83
  
  /* _OST Ejection Request (0x3, 0x103) Status Code */
  #define ACPI_OST_SC_EJECT_NOT_SUPPORTED		0x80
  #define ACPI_OST_SC_DEVICE_IN_USE		0x81
  #define ACPI_OST_SC_DEVICE_BUSY			0x82
  #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY	0x83
  #define ACPI_OST_SC_EJECT_IN_PROGRESS		0x84
  
  /* _OST Insertion Request (0x200) Status Code */
  #define ACPI_OST_SC_INSERT_IN_PROGRESS		0x80
  #define ACPI_OST_SC_DRIVER_LOAD_FAILURE		0x81
  #define ACPI_OST_SC_INSERT_NOT_SUPPORTED	0x82

  enum acpi_predicate {
  	all_versions,
  	less_than_or_equal,
  	equal,
  	greater_than_or_equal,
  };
  
  /* Table must be terminted by a NULL entry */
  struct acpi_platform_list {
  	char	oem_id[ACPI_OEM_ID_SIZE+1];
  	char	oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
  	u32	oem_revision;
  	char	*table;
  	enum acpi_predicate pred;
  	char	*reason;
  	u32	data;
  };
  int acpi_match_platform_list(const struct acpi_platform_list *plat);

  extern void acpi_early_init(void);

  extern void acpi_subsystem_init(void);

  extern int acpi_nvs_register(__u64 start, __u64 size);
  
  extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
  				    void *data);

  const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
  					       const struct device *dev);

  extern bool acpi_driver_match_device(struct device *dev,
  				     const struct device_driver *drv);

  int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
  int acpi_device_modalias(struct device *, char *, int);

  void acpi_walk_dep_device_list(acpi_handle handle);

  struct platform_device *acpi_create_platform_device(struct acpi_device *,
  						    struct property_entry *);

  #define ACPI_PTR(_ptr)	(_ptr)

  static inline void acpi_device_set_enumerated(struct acpi_device *adev)
  {
  	adev->flags.visited = true;
  }
  
  static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
  {
  	adev->flags.visited = false;
  }

  enum acpi_reconfig_event  {
  	ACPI_RECONFIG_DEVICE_ADD = 0,
  	ACPI_RECONFIG_DEVICE_REMOVE,
  };
  
  int acpi_reconfig_notifier_register(struct notifier_block *nb);
  int acpi_reconfig_notifier_unregister(struct notifier_block *nb);

  #ifdef CONFIG_ACPI_GTDT
  int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
  int acpi_gtdt_map_ppi(int type);
  bool acpi_gtdt_c3stop(int type);

  int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count);

  #endif

  #else	/* !CONFIG_ACPI */
  
  #define acpi_disabled 1

  #define ACPI_COMPANION(dev)		(NULL)
  #define ACPI_COMPANION_SET(dev, adev)	do { } while (0)
  #define ACPI_HANDLE(dev)		(NULL)

  #define ACPI_DEVICE_CLASS(_cls, _msk)	.cls = (0), .cls_msk = (0),

  struct fwnode_handle;

  static inline bool acpi_dev_found(const char *hid)
  {
  	return false;
  }

  static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
  {
  	return false;
  }

  static inline bool is_acpi_node(struct fwnode_handle *fwnode)
  {
  	return false;
  }

  static inline bool is_acpi_device_node(struct fwnode_handle *fwnode)
  {
  	return false;
  }
  
  static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode)
  {
  	return NULL;
  }
  
  static inline bool is_acpi_data_node(struct fwnode_handle *fwnode)
  {
  	return false;
  }
  
  static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode)

  {
  	return NULL;
  }

  static inline bool acpi_data_node_match(struct fwnode_handle *fwnode,
  					const char *name)
  {
  	return false;
  }

  static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
  {
  	return NULL;
  }

  static inline bool has_acpi_companion(struct device *dev)
  {
  	return false;
  }

  static inline void acpi_preset_companion(struct device *dev,
  					 struct acpi_device *parent, u64 addr)
  {
  }

  static inline const char *acpi_dev_name(struct acpi_device *adev)
  {
  	return NULL;
  }

  static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
  {
  	return NULL;
  }

  static inline void acpi_early_init(void) { }

  static inline void acpi_subsystem_init(void) { }

  static inline int early_acpi_boot_init(void)
  {
  	return 0;
  }

  static inline int acpi_boot_init(void)
  {
  	return 0;
  }

  static inline void acpi_boot_table_init(void)

  {

  	return;

  }

  static inline int acpi_mps_check(void)
  {
  	return 0;
  }

  static inline int acpi_check_resource_conflict(struct resource *res)
  {
  	return 0;
  }

  static inline int acpi_check_region(resource_size_t start, resource_size_t n,
  				    const char *name)
  {
  	return 0;
  }

  struct acpi_table_header;
  static inline int acpi_table_parse(char *id,
  				int (*handler)(struct acpi_table_header *))
  {

  	return -ENODEV;

  }

  static inline int acpi_nvs_register(__u64 start, __u64 size)

  {
  	return 0;
  }

  
  static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
  					   void *data)
  {
  	return 0;
  }

  struct acpi_device_id;
  
  static inline const struct acpi_device_id *acpi_match_device(
  	const struct acpi_device_id *ids, const struct device *dev)
  {
  	return NULL;
  }
  
  static inline bool acpi_driver_match_device(struct device *dev,
  					    const struct device_driver *drv)
  {
  	return false;
  }

  static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,

  						   const guid_t *guid,

  						   int rev, int func,
  						   union acpi_object *argv4)
  {
  	return NULL;
  }

  static inline int acpi_device_uevent_modalias(struct device *dev,
  				struct kobj_uevent_env *env)
  {
  	return -ENODEV;
  }
  
  static inline int acpi_device_modalias(struct device *dev,
  				char *buf, int size)
  {
  	return -ENODEV;
  }

  static inline bool acpi_dma_supported(struct acpi_device *adev)

  {
  	return false;
  }

  static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
  {
  	return DEV_DMA_NOT_SUPPORTED;
  }

  static inline int acpi_dma_get_range(struct device *dev, u64 *dma_addr,
  				     u64 *offset, u64 *size)
  {
  	return -ENODEV;
  }

  static inline int acpi_dma_configure(struct device *dev,
  				     enum dev_dma_attr attr)
  {
  	return 0;
  }

  
  static inline void acpi_dma_deconfigure(struct device *dev) { }

  #define ACPI_PTR(_ptr)	(NULL)

  static inline void acpi_device_set_enumerated(struct acpi_device *adev)
  {
  }
  
  static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
  {
  }

  static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
  {
  	return -EINVAL;
  }
  
  static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
  {
  	return -EINVAL;
  }

  static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
  {
  	return NULL;
  }

  #endif	/* !CONFIG_ACPI */

  #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
  int acpi_ioapic_add(acpi_handle root);
  #else
  static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
  #endif

  #ifdef CONFIG_ACPI
  void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
  			       u32 pm1a_ctrl,  u32 pm1b_ctrl));
  
  acpi_status acpi_os_prepare_sleep(u8 sleep_state,
  				  u32 pm1a_control, u32 pm1b_control);

  
  void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
  				        u32 val_a,  u32 val_b));
  
  acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
  					   u32 val_a, u32 val_b);

  #ifdef CONFIG_X86

  void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
  #else
  static inline void arch_reserve_mem_area(acpi_physical_address addr,
  					  size_t size)
  {
  }
  #endif /* CONFIG_X86 */

  #else
  #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
  #endif

  #if defined(CONFIG_ACPI) && defined(CONFIG_PM)

  int acpi_dev_runtime_suspend(struct device *dev);
  int acpi_dev_runtime_resume(struct device *dev);
  int acpi_subsys_runtime_suspend(struct device *dev);
  int acpi_subsys_runtime_resume(struct device *dev);

  struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
  int acpi_dev_pm_attach(struct device *dev, bool power_on);

  #else
  static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
  static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
  static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
  static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }

  static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
  {
  	return NULL;
  }
  static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
  {
  	return -ENODEV;
  }

  #endif

  #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)

  int acpi_dev_suspend_late(struct device *dev);
  int acpi_dev_resume_early(struct device *dev);
  int acpi_subsys_prepare(struct device *dev);

  void acpi_subsys_complete(struct device *dev);

  int acpi_subsys_suspend_late(struct device *dev);
  int acpi_subsys_resume_early(struct device *dev);

  int acpi_subsys_suspend(struct device *dev);
  int acpi_subsys_freeze(struct device *dev);

  #else
  static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
  static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
  static inline int acpi_subsys_prepare(struct device *dev) { return 0; }

  static inline void acpi_subsys_complete(struct device *dev) {}

  static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
  static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }

  static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
  static inline int acpi_subsys_freeze(struct device *dev) { return 0; }

  #endif

  #ifdef CONFIG_ACPI
  __printf(3, 4)
  void acpi_handle_printk(const char *level, acpi_handle handle,
  			const char *fmt, ...);
  #else	/* !CONFIG_ACPI */
  static inline __printf(3, 4) void
  acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
  #endif	/* !CONFIG_ACPI */

  #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
  __printf(3, 4)
  void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
  #else
  #define __acpi_handle_debug(descriptor, handle, fmt, ...)		\
  	acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
  #endif

  /*
   * acpi_handle_<level>: Print message with ACPI prefix and object path
   *
   * These interfaces acquire the global namespace mutex to obtain an object
   * path.  In interrupt context, it shows the object path as <n/a>.
   */
  #define acpi_handle_emerg(handle, fmt, ...)				\
  	acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
  #define acpi_handle_alert(handle, fmt, ...)				\
  	acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
  #define acpi_handle_crit(handle, fmt, ...)				\
  	acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
  #define acpi_handle_err(handle, fmt, ...)				\
  	acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
  #define acpi_handle_warn(handle, fmt, ...)				\
  	acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
  #define acpi_handle_notice(handle, fmt, ...)				\
  	acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
  #define acpi_handle_info(handle, fmt, ...)				\
  	acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)

  #if defined(DEBUG)

  #define acpi_handle_debug(handle, fmt, ...)				\
  	acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
  #else

  #if defined(CONFIG_DYNAMIC_DEBUG)
  #define acpi_handle_debug(handle, fmt, ...)				\
  do {									\
  	DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt);			\
  	if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT))		\
  		__acpi_handle_debug(&descriptor, handle, pr_fmt(fmt),	\
  				##__VA_ARGS__);				\
  } while (0)
  #else

  #define acpi_handle_debug(handle, fmt, ...)				\
  ({									\
  	if (0)								\
  		acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
  	0;								\
  })
  #endif

  #endif

  struct acpi_gpio_params {
  	unsigned int crs_entry_index;
  	unsigned int line_index;
  	bool active_low;
  };
  
  struct acpi_gpio_mapping {
  	const char *name;
  	const struct acpi_gpio_params *data;
  	unsigned int size;
  };
  
  #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
  int acpi_dev_add_driver_gpios(struct acpi_device *adev,
  			      const struct acpi_gpio_mapping *gpios);
  
  static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
  {
  	if (adev)
  		adev->driver_gpios = NULL;
  }

  int devm_acpi_dev_add_driver_gpios(struct device *dev,
  				   const struct acpi_gpio_mapping *gpios);
  void devm_acpi_dev_remove_driver_gpios(struct device *dev);

  bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
  				struct acpi_resource_gpio **agpio);

  int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);

  #else
  static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
  			      const struct acpi_gpio_mapping *gpios)
  {
  	return -ENXIO;
  }
  static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {}

  static inline int devm_acpi_dev_add_driver_gpios(struct device *dev,
  			      const struct acpi_gpio_mapping *gpios)
  {
  	return -ENXIO;
  }
  static inline void devm_acpi_dev_remove_driver_gpios(struct device *dev) {}

  static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
  					      struct acpi_resource_gpio **agpio)
  {
  	return false;
  }

  static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
  {
  	return -ENXIO;
  }

  #endif

  /* Device properties */
  
  #define MAX_ACPI_REFERENCE_ARGS	8
  struct acpi_reference_args {
  	struct acpi_device *adev;
  	size_t nargs;
  	u64 args[MAX_ACPI_REFERENCE_ARGS];
  };
  
  #ifdef CONFIG_ACPI

  int acpi_dev_get_property(const struct acpi_device *adev, const char *name,

  			  acpi_object_type type, const union acpi_object **obj);

  int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,

  				const char *name, size_t index, size_t num_args,
  				struct acpi_reference_args *args);

  static inline int acpi_node_get_property_reference(
  				const struct fwnode_handle *fwnode,

  				const char *name, size_t index,
  				struct acpi_reference_args *args)
  {
  	return __acpi_node_get_property_reference(fwnode, name, index,
  		MAX_ACPI_REFERENCE_ARGS, args);
  }

  int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,

  		       void **valptr);

  int acpi_dev_prop_read_single(struct acpi_device *adev,
  			      const char *propname, enum dev_prop_type proptype,
  			      void *val);
  int acpi_node_prop_read(const struct fwnode_handle *fwnode,
  			const char *propname, enum dev_prop_type proptype,
  			void *val, size_t nval);
  int acpi_dev_prop_read(const struct acpi_device *adev, const char *propname,

  		       enum dev_prop_type proptype, void *val, size_t nval);

  struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,

  					    struct fwnode_handle *child);

  struct fwnode_handle *acpi_node_get_parent(const struct fwnode_handle *fwnode);

  struct fwnode_handle *
  acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
  			     struct fwnode_handle *prev);
  int acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,

  				   struct fwnode_handle **remote,
  				   struct fwnode_handle **port,
  				   struct fwnode_handle **endpoint);

  
  struct acpi_probe_entry;
  typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
  						 struct acpi_probe_entry *);
  
  #define ACPI_TABLE_ID_LEN	5
  
  /**
   * struct acpi_probe_entry - boot-time probing entry
   * @id:			ACPI table name
   * @type:		Optional subtable type to match
   *			(if @id contains subtables)
   * @subtable_valid:	Optional callback to check the validity of
   *			the subtable
   * @probe_table:	Callback to the driver being probed when table
   *			match is successful
   * @probe_subtbl:	Callback to the driver being probed when table and
   *			subtable match (and optional callback is successful)
   * @driver_data:	Sideband data provided back to the driver
   */
  struct acpi_probe_entry {
  	__u8 id[ACPI_TABLE_ID_LEN];
  	__u8 type;
  	acpi_probe_entry_validate_subtbl subtable_valid;
  	union {
  		acpi_tbl_table_handler probe_table;
  		acpi_tbl_entry_handler probe_subtbl;
  	};
  	kernel_ulong_t driver_data;
  };
  
  #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn)	\
  	static const struct acpi_probe_entry __acpi_probe_##name	\
  		__used __section(__##table##_acpi_probe_table)		\
  		 = {							\
  			.id = table_id,					\
  			.type = subtable,				\
  			.subtable_valid = valid,			\
  			.probe_table = (acpi_tbl_table_handler)fn,	\
  			.driver_data = data, 				\
  		   }
  
  #define ACPI_PROBE_TABLE(name)		__##name##_acpi_probe_table
  #define ACPI_PROBE_TABLE_END(name)	__##name##_acpi_probe_table_end
  
  int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
  
  #define acpi_probe_device_table(t)					\
  	({ 								\
  		extern struct acpi_probe_entry ACPI_PROBE_TABLE(t),	\
  			                       ACPI_PROBE_TABLE_END(t);	\
  		__acpi_probe_device_table(&ACPI_PROBE_TABLE(t),		\
  					  (&ACPI_PROBE_TABLE_END(t) -	\
  					   &ACPI_PROBE_TABLE(t)));	\
  	})

  #else
  static inline int acpi_dev_get_property(struct acpi_device *adev,
  					const char *name, acpi_object_type type,
  					const union acpi_object **obj)
  {
  	return -ENXIO;
  }

  static inline int

  __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,

  				const char *name, size_t index, size_t num_args,
  				struct acpi_reference_args *args)
  {
  	return -ENXIO;
  }

  static inline int
  acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
  				 const char *name, size_t index,
  				 struct acpi_reference_args *args)

  {
  	return -ENXIO;
  }

  static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,

  				     const char *propname,
  				     void **valptr)

  {
  	return -ENXIO;
  }

  static inline int acpi_dev_prop_get(const struct acpi_device *adev,

  				    const char *propname,
  				    void **valptr)
  {
  	return -ENXIO;
  }

  static inline int acpi_dev_prop_read_single(const struct acpi_device *adev,

  					    const char *propname,
  					    enum dev_prop_type proptype,
  					    void *val)
  {
  	return -ENXIO;
  }

  static inline int acpi_node_prop_read(const struct fwnode_handle *fwnode,

  				      const char *propname,
  				      enum dev_prop_type proptype,
  				      void *val, size_t nval)
  {
  	return -ENXIO;
  }

  static inline int acpi_dev_prop_read(const struct acpi_device *adev,

  				     const char *propname,
  				     enum dev_prop_type proptype,
  				     void *val, size_t nval)
  {
  	return -ENXIO;
  }

  static inline struct fwnode_handle *

  acpi_get_next_subnode(const struct fwnode_handle *fwnode,
  		      struct fwnode_handle *child)

  {
  	return NULL;
  }

  static inline struct fwnode_handle *

  acpi_node_get_parent(const struct fwnode_handle *fwnode)

  {
  	return NULL;
  }

  static inline struct fwnode_handle *

  acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,

  			     struct fwnode_handle *prev)
  {
  	return ERR_PTR(-ENXIO);
  }
  
  static inline int

  acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,

  			       struct fwnode_handle **remote,
  			       struct fwnode_handle **port,
  			       struct fwnode_handle **endpoint)
  {
  	return -ENXIO;
  }

  #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \

  	static const void * __acpi_table_##name[]			\
  		__attribute__((unused))					\
  		 = { (void *) table_id,					\
  		     (void *) subtable,					\
  		     (void *) valid,					\
  		     (void *) fn,					\
  		     (void *) data }
  
  #define acpi_probe_device_table(t)	({ int __r = 0; __r;})

  #endif

  #ifdef CONFIG_ACPI_TABLE_UPGRADE
  void acpi_table_upgrade(void);
  #else
  static inline void acpi_table_upgrade(void) { }
  #endif

  #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
  extern bool acpi_has_watchdog(void);
  #else
  static inline bool acpi_has_watchdog(void) { return false; }
  #endif

  #ifdef CONFIG_ACPI_SPCR_TABLE

  extern bool qdf2400_e44_present;

  int parse_spcr(bool earlycon);
  #else
  static inline int parse_spcr(bool earlycon) { return 0; }
  #endif

  #if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
  int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
  #else
  static inline
  int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
  {
  	return -EINVAL;
  }
  #endif

  #endif	/*_LINUX_ACPI_H*/