1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3 * acpi.h - ACPI Interface
   4 *
   5 * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   6 */
   7
   8#ifndef _LINUX_ACPI_H
   9#define _LINUX_ACPI_H
  10
  11#include <linux/errno.h>
  12#include <linux/ioport.h>	/* for struct resource */
  13#include <linux/irqdomain.h>
  14#include <linux/resource_ext.h>
  15#include <linux/device.h>
  16#include <linux/property.h>
  17#include <linux/uuid.h>
  18
  19#ifndef _LINUX
  20#define _LINUX
  21#endif
  22#include <acpi/acpi.h>
  23
  24#ifdef	CONFIG_ACPI
  25
  26#include <linux/list.h>
  27#include <linux/mod_devicetable.h>
  28#include <linux/dynamic_debug.h>
  29#include <linux/module.h>
  30#include <linux/mutex.h>
  31
 
  32#include <acpi/acpi_bus.h>
  33#include <acpi/acpi_drivers.h>
  34#include <acpi/acpi_numa.h>
  35#include <acpi/acpi_io.h>
  36#include <asm/acpi.h>
  37
  38static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
  39{
  40	return adev ? adev->handle : NULL;
  41}
  42
  43#define ACPI_COMPANION(dev)		to_acpi_device_node((dev)->fwnode)
  44#define ACPI_COMPANION_SET(dev, adev)	set_primary_fwnode(dev, (adev) ? \
  45	acpi_fwnode_handle(adev) : NULL)
  46#define ACPI_HANDLE(dev)		acpi_device_handle(ACPI_COMPANION(dev))
  47#define ACPI_HANDLE_FWNODE(fwnode)	\
  48				acpi_device_handle(to_acpi_device_node(fwnode))
  49
  50static inline struct fwnode_handle *acpi_alloc_fwnode_static(void)
  51{
  52	struct fwnode_handle *fwnode;
  53
  54	fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL);
  55	if (!fwnode)
  56		return NULL;
  57
  58	fwnode->ops = &acpi_static_fwnode_ops;
  59
  60	return fwnode;
  61}
  62
  63static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode)
  64{
  65	if (WARN_ON(!is_acpi_static_node(fwnode)))
  66		return;
  67
  68	kfree(fwnode);
  69}
  70
  71/**
  72 * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with
  73 * the PCI-defined class-code information
  74 *
  75 * @_cls : the class, subclass, prog-if triple for this device
  76 * @_msk : the class mask for this device
  77 *
  78 * This macro is used to create a struct acpi_device_id that matches a
  79 * specific PCI class. The .id and .driver_data fields will be left
  80 * initialized with the default value.
  81 */
  82#define ACPI_DEVICE_CLASS(_cls, _msk)	.cls = (_cls), .cls_msk = (_msk),
  83
  84static inline bool has_acpi_companion(struct device *dev)
  85{
  86	return is_acpi_device_node(dev->fwnode);
  87}
  88
  89static inline void acpi_preset_companion(struct device *dev,
  90					 struct acpi_device *parent, u64 addr)
  91{
  92	ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false));
  93}
  94
  95static inline const char *acpi_dev_name(struct acpi_device *adev)
  96{
  97	return dev_name(&adev->dev);
  98}
  99
 100struct device *acpi_get_first_physical_node(struct acpi_device *adev);
 101
 102enum acpi_irq_model_id {
 103	ACPI_IRQ_MODEL_PIC = 0,
 104	ACPI_IRQ_MODEL_IOAPIC,
 105	ACPI_IRQ_MODEL_IOSAPIC,
 106	ACPI_IRQ_MODEL_PLATFORM,
 107	ACPI_IRQ_MODEL_GIC,
 108	ACPI_IRQ_MODEL_COUNT
 109};
 110
 111extern enum acpi_irq_model_id	acpi_irq_model;
 112
 113enum acpi_interrupt_id {
 114	ACPI_INTERRUPT_PMI	= 1,
 115	ACPI_INTERRUPT_INIT,
 116	ACPI_INTERRUPT_CPEI,
 117	ACPI_INTERRUPT_COUNT
 118};
 119
 120#define	ACPI_SPACE_MEM		0
 121
 122enum acpi_address_range_id {
 123	ACPI_ADDRESS_RANGE_MEMORY = 1,
 124	ACPI_ADDRESS_RANGE_RESERVED = 2,
 125	ACPI_ADDRESS_RANGE_ACPI = 3,
 126	ACPI_ADDRESS_RANGE_NVS	= 4,
 127	ACPI_ADDRESS_RANGE_COUNT
 128};
 129
 130
 131/* Table Handlers */
 132union acpi_subtable_headers {
 133	struct acpi_subtable_header common;
 134	struct acpi_hmat_structure hmat;
 135};
 136
 137typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
 138
 139typedef int (*acpi_tbl_entry_handler)(union acpi_subtable_headers *header,
 140				      const unsigned long end);
 141
 142/* Debugger support */
 143
 144struct acpi_debugger_ops {
 145	int (*create_thread)(acpi_osd_exec_callback function, void *context);
 146	ssize_t (*write_log)(const char *msg);
 147	ssize_t (*read_cmd)(char *buffer, size_t length);
 148	int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
 149	int (*notify_command_complete)(void);
 150};
 151
 152struct acpi_debugger {
 153	const struct acpi_debugger_ops *ops;
 154	struct module *owner;
 155	struct mutex lock;
 156};
 157
 158#ifdef CONFIG_ACPI_DEBUGGER
 159int __init acpi_debugger_init(void);
 160int acpi_register_debugger(struct module *owner,
 161			   const struct acpi_debugger_ops *ops);
 162void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
 163int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
 164ssize_t acpi_debugger_write_log(const char *msg);
 165ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
 166int acpi_debugger_wait_command_ready(void);
 167int acpi_debugger_notify_command_complete(void);
 168#else
 169static inline int acpi_debugger_init(void)
 170{
 171	return -ENODEV;
 172}
 173
 174static inline int acpi_register_debugger(struct module *owner,
 175					 const struct acpi_debugger_ops *ops)
 176{
 177	return -ENODEV;
 178}
 179
 180static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
 181{
 182}
 183
 184static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
 185					      void *context)
 186{
 187	return -ENODEV;
 188}
 189
 190static inline int acpi_debugger_write_log(const char *msg)
 191{
 192	return -ENODEV;
 193}
 194
 195static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
 196{
 197	return -ENODEV;
 198}
 199
 200static inline int acpi_debugger_wait_command_ready(void)
 201{
 202	return -ENODEV;
 203}
 204
 205static inline int acpi_debugger_notify_command_complete(void)
 206{
 207	return -ENODEV;
 208}
 209#endif
 210
 211#define BAD_MADT_ENTRY(entry, end) (					    \
 212		(!entry) || (unsigned long)entry + sizeof(*entry) > end ||  \
 213		((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
 214
 215struct acpi_subtable_proc {
 216	int id;
 217	acpi_tbl_entry_handler handler;
 218	int count;
 219};
 220
 221void __iomem *__acpi_map_table(unsigned long phys, unsigned long size);
 222void __acpi_unmap_table(void __iomem *map, unsigned long size);
 223int early_acpi_boot_init(void);
 224int acpi_boot_init (void);
 225void acpi_boot_table_init (void);
 226int acpi_mps_check (void);
 227int acpi_numa_init (void);
 228
 229int acpi_table_init (void);
 230int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
 231int __init acpi_table_parse_entries(char *id, unsigned long table_size,
 232			      int entry_id,
 233			      acpi_tbl_entry_handler handler,
 234			      unsigned int max_entries);
 235int __init acpi_table_parse_entries_array(char *id, unsigned long table_size,
 236			      struct acpi_subtable_proc *proc, int proc_num,
 237			      unsigned int max_entries);
 238int acpi_table_parse_madt(enum acpi_madt_type id,
 239			  acpi_tbl_entry_handler handler,
 240			  unsigned int max_entries);
 241int acpi_parse_mcfg (struct acpi_table_header *header);
 242void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
 243
 244/* the following numa functions are architecture-dependent */
 245void acpi_numa_slit_init (struct acpi_table_slit *slit);
 246
 247#if defined(CONFIG_X86) || defined(CONFIG_IA64)
 248void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
 249#else
 250static inline void
 251acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
 252#endif
 253
 254void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
 255
 256#ifdef CONFIG_ARM64
 257void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
 258#else
 259static inline void
 260acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
 261#endif
 262
 263int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
 264
 265#ifndef PHYS_CPUID_INVALID
 266typedef u32 phys_cpuid_t;
 267#define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
 268#endif
 269
 270static inline bool invalid_logical_cpuid(u32 cpuid)
 271{
 272	return (int)cpuid < 0;
 273}
 274
 275static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
 276{
 277	return phys_id == PHYS_CPUID_INVALID;
 278}
 279
 280/* Validate the processor object's proc_id */
 281bool acpi_duplicate_processor_id(int proc_id);
 282/* Processor _CTS control */
 283struct acpi_processor_power;
 284
 285#ifdef CONFIG_ACPI_PROCESSOR_CSTATE
 286bool acpi_processor_claim_cst_control(void);
 287int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
 288				struct acpi_processor_power *info);
 289#else
 290static inline bool acpi_processor_claim_cst_control(void) { return false; }
 291static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
 292					      struct acpi_processor_power *info)
 293{
 294	return -ENODEV;
 295}
 296#endif
 297
 298#ifdef CONFIG_ACPI_HOTPLUG_CPU
 299/* Arch dependent functions for cpu hotplug support */
 300int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
 301		 int *pcpu);
 302int acpi_unmap_cpu(int cpu);
 303#endif /* CONFIG_ACPI_HOTPLUG_CPU */
 304
 305#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
 306int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
 307#endif
 308
 309int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
 310int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
 311int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
 312void acpi_irq_stats_init(void);
 313extern u32 acpi_irq_handled;
 314extern u32 acpi_irq_not_handled;
 315extern unsigned int acpi_sci_irq;
 316extern bool acpi_no_s5;
 317#define INVALID_ACPI_IRQ	((unsigned)-1)
 318static inline bool acpi_sci_irq_valid(void)
 319{
 320	return acpi_sci_irq != INVALID_ACPI_IRQ;
 321}
 322
 323extern int sbf_port;
 324extern unsigned long acpi_realmode_flags;
 325
 326int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
 327int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
 328int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
 329
 330void acpi_set_irq_model(enum acpi_irq_model_id model,
 331			struct fwnode_handle *fwnode);
 332
 333struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags,
 334					     unsigned int size,
 335					     struct fwnode_handle *fwnode,
 336					     const struct irq_domain_ops *ops,
 337					     void *host_data);
 338
 339#ifdef CONFIG_X86_IO_APIC
 340extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
 341#else
 342static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)
 343{
 344	return -1;
 345}
 346#endif
 347/*
 348 * This function undoes the effect of one call to acpi_register_gsi().
 349 * If this matches the last registration, any IRQ resources for gsi
 350 * are freed.
 351 */
 352void acpi_unregister_gsi (u32 gsi);
 353
 354struct pci_dev;
 355
 356int acpi_pci_irq_enable (struct pci_dev *dev);
 357void acpi_penalize_isa_irq(int irq, int active);
 358bool acpi_isa_irq_available(int irq);
 359#ifdef CONFIG_PCI
 360void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
 361#else
 362static inline void acpi_penalize_sci_irq(int irq, int trigger,
 363					int polarity)
 364{
 365}
 366#endif
 367void acpi_pci_irq_disable (struct pci_dev *dev);
 368
 
 
 
 
 
 
 
 
 
 369extern int ec_read(u8 addr, u8 *val);
 370extern int ec_write(u8 addr, u8 val);
 371extern int ec_transaction(u8 command,
 372                          const u8 *wdata, unsigned wdata_len,
 373                          u8 *rdata, unsigned rdata_len);
 374extern acpi_handle ec_get_handle(void);
 375
 376extern bool acpi_is_pnp_device(struct acpi_device *);
 377
 378#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
 379
 380typedef void (*wmi_notify_handler) (u32 value, void *context);
 381
 382extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
 383					u32 method_id,
 384					const struct acpi_buffer *in,
 385					struct acpi_buffer *out);
 386extern acpi_status wmi_query_block(const char *guid, u8 instance,
 387					struct acpi_buffer *out);
 388extern acpi_status wmi_set_block(const char *guid, u8 instance,
 389					const struct acpi_buffer *in);
 390extern acpi_status wmi_install_notify_handler(const char *guid,
 391					wmi_notify_handler handler, void *data);
 392extern acpi_status wmi_remove_notify_handler(const char *guid);
 393extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
 394extern bool wmi_has_guid(const char *guid);
 395extern char *wmi_get_acpi_device_uid(const char *guid);
 396
 397#endif	/* CONFIG_ACPI_WMI */
 398
 399#define ACPI_VIDEO_OUTPUT_SWITCHING			0x0001
 400#define ACPI_VIDEO_DEVICE_POSTING			0x0002
 401#define ACPI_VIDEO_ROM_AVAILABLE			0x0004
 402#define ACPI_VIDEO_BACKLIGHT				0x0008
 403#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR		0x0010
 404#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO		0x0020
 405#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR	0x0040
 406#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO		0x0080
 407#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR			0x0100
 408#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO			0x0200
 409#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR		0x0400
 410#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO		0x0800
 411
 412extern char acpi_video_backlight_string[];
 413extern long acpi_is_video_device(acpi_handle handle);
 414extern int acpi_blacklisted(void);
 415extern void acpi_osi_setup(char *str);
 416extern bool acpi_osi_is_win8(void);
 417
 418#ifdef CONFIG_ACPI_NUMA
 419int acpi_map_pxm_to_node(int pxm);
 420int acpi_get_node(acpi_handle handle);
 
 421
 422/**
 423 * acpi_map_pxm_to_online_node - Map proximity ID to online node
 424 * @pxm: ACPI proximity ID
 425 *
 426 * This is similar to acpi_map_pxm_to_node(), but always returns an online
 427 * node.  When the mapped node from a given proximity ID is offline, it
 428 * looks up the node distance table and returns the nearest online node.
 429 *
 430 * ACPI device drivers, which are called after the NUMA initialization has
 431 * completed in the kernel, can call this interface to obtain their device
 432 * NUMA topology from ACPI tables.  Such drivers do not have to deal with
 433 * offline nodes.  A node may be offline when a device proximity ID is
 434 * unique, SRAT memory entry does not exist, or NUMA is disabled, ex.
 435 * "numa=off" on x86.
 436 */
 437static inline int acpi_map_pxm_to_online_node(int pxm)
 438{
 439	int node = acpi_map_pxm_to_node(pxm);
 
 440
 441	return numa_map_to_online_node(node);
 
 
 442}
 443#else
 444static inline int acpi_map_pxm_to_online_node(int pxm)
 445{
 446	return 0;
 447}
 448static inline int acpi_map_pxm_to_node(int pxm)
 
 449{
 450	return 0;
 451}
 452static inline int acpi_get_node(acpi_handle handle)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 453{
 454	return 0;
 455}
 456#endif
 457extern int acpi_paddr_to_node(u64 start_addr, u64 size);
 458
 459extern int pnpacpi_disabled;
 460
 461#define PXM_INVAL	(-1)
 462
 463bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
 464bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
 465bool acpi_dev_resource_address_space(struct acpi_resource *ares,
 466				     struct resource_win *win);
 467bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
 468					 struct resource_win *win);
 469unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
 470unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
 471bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
 472				 struct resource *res);
 473
 474void acpi_dev_free_resource_list(struct list_head *list);
 475int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
 476			   int (*preproc)(struct acpi_resource *, void *),
 477			   void *preproc_data);
 478int acpi_dev_get_dma_resources(struct acpi_device *adev,
 479			       struct list_head *list);
 480int acpi_dev_filter_resource_type(struct acpi_resource *ares,
 481				  unsigned long types);
 482
 483static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
 484						   void *arg)
 485{
 486	return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
 487}
 488
 489struct acpi_device *acpi_resource_consumer(struct resource *res);
 490
 491int acpi_check_resource_conflict(const struct resource *res);
 492
 493int acpi_check_region(resource_size_t start, resource_size_t n,
 494		      const char *name);
 495
 496acpi_status acpi_release_memory(acpi_handle handle, struct resource *res,
 497				u32 level);
 498
 499int acpi_resources_are_enforced(void);
 500
 501#ifdef CONFIG_HIBERNATION
 502void __init acpi_no_s4_hw_signature(void);
 503#endif
 504
 505#ifdef CONFIG_PM_SLEEP
 
 506void __init acpi_old_suspend_ordering(void);
 507void __init acpi_nvs_nosave(void);
 508void __init acpi_nvs_nosave_s3(void);
 509void __init acpi_sleep_no_blacklist(void);
 510#endif /* CONFIG_PM_SLEEP */
 511
 512int acpi_register_wakeup_handler(
 513	int wake_irq, bool (*wakeup)(void *context), void *context);
 514void acpi_unregister_wakeup_handler(
 515	bool (*wakeup)(void *context), void *context);
 516
 517struct acpi_osc_context {
 518	char *uuid_str;			/* UUID string */
 519	int rev;
 520	struct acpi_buffer cap;		/* list of DWORD capabilities */
 521	struct acpi_buffer ret;		/* free by caller if success */
 522};
 523
 
 
 
 
 
 
 
 
 
 
 
 524acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
 525
 526/* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
 527#define OSC_QUERY_DWORD				0	/* DWORD 1 */
 528#define OSC_SUPPORT_DWORD			1	/* DWORD 2 */
 529#define OSC_CONTROL_DWORD			2	/* DWORD 3 */
 530
 531/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
 532#define OSC_QUERY_ENABLE			0x00000001  /* input */
 533#define OSC_REQUEST_ERROR			0x00000002  /* return */
 534#define OSC_INVALID_UUID_ERROR			0x00000004  /* return */
 535#define OSC_INVALID_REVISION_ERROR		0x00000008  /* return */
 536#define OSC_CAPABILITIES_MASK_ERROR		0x00000010  /* return */
 537
 538/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
 539#define OSC_SB_PAD_SUPPORT			0x00000001
 540#define OSC_SB_PPC_OST_SUPPORT			0x00000002
 541#define OSC_SB_PR3_SUPPORT			0x00000004
 542#define OSC_SB_HOTPLUG_OST_SUPPORT		0x00000008
 543#define OSC_SB_APEI_SUPPORT			0x00000010
 544#define OSC_SB_CPC_SUPPORT			0x00000020
 545#define OSC_SB_CPCV2_SUPPORT			0x00000040
 546#define OSC_SB_PCLPI_SUPPORT			0x00000080
 547#define OSC_SB_OSLPI_SUPPORT			0x00000100
 548#define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT		0x00001000
 549
 550extern bool osc_sb_apei_support_acked;
 551extern bool osc_pc_lpi_support_confirmed;
 552
 553/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
 554#define OSC_PCI_EXT_CONFIG_SUPPORT		0x00000001
 555#define OSC_PCI_ASPM_SUPPORT			0x00000002
 556#define OSC_PCI_CLOCK_PM_SUPPORT		0x00000004
 557#define OSC_PCI_SEGMENT_GROUPS_SUPPORT		0x00000008
 558#define OSC_PCI_MSI_SUPPORT			0x00000010
 559#define OSC_PCI_EDR_SUPPORT			0x00000080
 560#define OSC_PCI_HPX_TYPE_3_SUPPORT		0x00000100
 561#define OSC_PCI_SUPPORT_MASKS			0x0000019f
 562
 563/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
 564#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL	0x00000001
 565#define OSC_PCI_SHPC_NATIVE_HP_CONTROL		0x00000002
 566#define OSC_PCI_EXPRESS_PME_CONTROL		0x00000004
 567#define OSC_PCI_EXPRESS_AER_CONTROL		0x00000008
 568#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL	0x00000010
 569#define OSC_PCI_EXPRESS_LTR_CONTROL		0x00000020
 570#define OSC_PCI_EXPRESS_DPC_CONTROL		0x00000080
 571#define OSC_PCI_CONTROL_MASKS			0x000000bf
 572
 573#define ACPI_GSB_ACCESS_ATTRIB_QUICK		0x00000002
 574#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV         0x00000004
 575#define ACPI_GSB_ACCESS_ATTRIB_BYTE		0x00000006
 576#define ACPI_GSB_ACCESS_ATTRIB_WORD		0x00000008
 577#define ACPI_GSB_ACCESS_ATTRIB_BLOCK		0x0000000A
 578#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE	0x0000000B
 579#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL	0x0000000C
 580#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL	0x0000000D
 581#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES	0x0000000E
 582#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS	0x0000000F
 583
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 584extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
 585					     u32 *mask, u32 req);
 586
 587/* Enable _OST when all relevant hotplug operations are enabled */
 588#if defined(CONFIG_ACPI_HOTPLUG_CPU) &&			\
 589	defined(CONFIG_ACPI_HOTPLUG_MEMORY) &&		\
 590	defined(CONFIG_ACPI_CONTAINER)
 591#define ACPI_HOTPLUG_OST
 592#endif
 593
 594/* _OST Source Event Code (OSPM Action) */
 595#define ACPI_OST_EC_OSPM_SHUTDOWN		0x100
 596#define ACPI_OST_EC_OSPM_EJECT			0x103
 597#define ACPI_OST_EC_OSPM_INSERTION		0x200
 598
 599/* _OST General Processing Status Code */
 600#define ACPI_OST_SC_SUCCESS			0x0
 601#define ACPI_OST_SC_NON_SPECIFIC_FAILURE	0x1
 602#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY		0x2
 603
 604/* _OST OS Shutdown Processing (0x100) Status Code */
 605#define ACPI_OST_SC_OS_SHUTDOWN_DENIED		0x80
 606#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS	0x81
 607#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED	0x82
 608#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED	0x83
 609
 610/* _OST Ejection Request (0x3, 0x103) Status Code */
 611#define ACPI_OST_SC_EJECT_NOT_SUPPORTED		0x80
 612#define ACPI_OST_SC_DEVICE_IN_USE		0x81
 613#define ACPI_OST_SC_DEVICE_BUSY			0x82
 614#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY	0x83
 615#define ACPI_OST_SC_EJECT_IN_PROGRESS		0x84
 616
 617/* _OST Insertion Request (0x200) Status Code */
 618#define ACPI_OST_SC_INSERT_IN_PROGRESS		0x80
 619#define ACPI_OST_SC_DRIVER_LOAD_FAILURE		0x81
 620#define ACPI_OST_SC_INSERT_NOT_SUPPORTED	0x82
 621
 622enum acpi_predicate {
 623	all_versions,
 624	less_than_or_equal,
 625	equal,
 626	greater_than_or_equal,
 627};
 628
 629/* Table must be terminted by a NULL entry */
 630struct acpi_platform_list {
 631	char	oem_id[ACPI_OEM_ID_SIZE+1];
 632	char	oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
 633	u32	oem_revision;
 634	char	*table;
 635	enum acpi_predicate pred;
 636	char	*reason;
 637	u32	data;
 638};
 639int acpi_match_platform_list(const struct acpi_platform_list *plat);
 640
 641extern void acpi_early_init(void);
 642extern void acpi_subsystem_init(void);
 643extern void arch_post_acpi_subsys_init(void);
 644
 645extern int acpi_nvs_register(__u64 start, __u64 size);
 646
 647extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
 648				    void *data);
 649
 650const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
 651					       const struct device *dev);
 652
 653const void *acpi_device_get_match_data(const struct device *dev);
 654extern bool acpi_driver_match_device(struct device *dev,
 655				     const struct device_driver *drv);
 656int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
 657int acpi_device_modalias(struct device *, char *, int);
 658void acpi_walk_dep_device_list(acpi_handle handle);
 659
 660struct platform_device *acpi_create_platform_device(struct acpi_device *,
 661						    struct property_entry *);
 662#define ACPI_PTR(_ptr)	(_ptr)
 663
 664static inline void acpi_device_set_enumerated(struct acpi_device *adev)
 665{
 666	adev->flags.visited = true;
 667}
 668
 669static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
 670{
 671	adev->flags.visited = false;
 672}
 673
 674enum acpi_reconfig_event  {
 675	ACPI_RECONFIG_DEVICE_ADD = 0,
 676	ACPI_RECONFIG_DEVICE_REMOVE,
 677};
 678
 679int acpi_reconfig_notifier_register(struct notifier_block *nb);
 680int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
 681
 682#ifdef CONFIG_ACPI_GTDT
 683int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
 684int acpi_gtdt_map_ppi(int type);
 685bool acpi_gtdt_c3stop(int type);
 686int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count);
 687#endif
 688
 689#ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER
 690static inline void acpi_arch_set_root_pointer(u64 addr)
 691{
 692}
 693#endif
 694
 695#ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER
 696static inline u64 acpi_arch_get_root_pointer(void)
 697{
 698	return 0;
 699}
 700#endif
 701
 702#else	/* !CONFIG_ACPI */
 703
 704#define acpi_disabled 1
 705
 706#define ACPI_COMPANION(dev)		(NULL)
 707#define ACPI_COMPANION_SET(dev, adev)	do { } while (0)
 708#define ACPI_HANDLE(dev)		(NULL)
 709#define ACPI_HANDLE_FWNODE(fwnode)	(NULL)
 710#define ACPI_DEVICE_CLASS(_cls, _msk)	.cls = (0), .cls_msk = (0),
 711
 712struct fwnode_handle;
 713
 714static inline bool acpi_dev_found(const char *hid)
 715{
 716	return false;
 717}
 718
 719static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
 720{
 721	return false;
 722}
 723
 724struct acpi_device;
 725
 726static inline bool
 727acpi_dev_hid_uid_match(struct acpi_device *adev, const char *hid2, const char *uid2)
 728{
 729	return false;
 730}
 731
 732static inline struct acpi_device *
 733acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv)
 734{
 735	return NULL;
 736}
 737
 738static inline void acpi_dev_put(struct acpi_device *adev) {}
 739
 740static inline bool is_acpi_node(struct fwnode_handle *fwnode)
 741{
 742	return false;
 743}
 744
 745static inline bool is_acpi_device_node(struct fwnode_handle *fwnode)
 746{
 747	return false;
 748}
 749
 750static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode)
 751{
 752	return NULL;
 753}
 754
 755static inline bool is_acpi_data_node(struct fwnode_handle *fwnode)
 756{
 757	return false;
 758}
 759
 760static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode)
 761{
 762	return NULL;
 763}
 764
 765static inline bool acpi_data_node_match(struct fwnode_handle *fwnode,
 766					const char *name)
 767{
 768	return false;
 769}
 770
 771static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
 772{
 773	return NULL;
 774}
 775
 776static inline bool has_acpi_companion(struct device *dev)
 777{
 778	return false;
 779}
 780
 781static inline void acpi_preset_companion(struct device *dev,
 782					 struct acpi_device *parent, u64 addr)
 783{
 784}
 785
 786static inline const char *acpi_dev_name(struct acpi_device *adev)
 787{
 788	return NULL;
 789}
 790
 791static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
 792{
 793	return NULL;
 794}
 795
 796static inline void acpi_early_init(void) { }
 797static inline void acpi_subsystem_init(void) { }
 798
 799static inline int early_acpi_boot_init(void)
 800{
 801	return 0;
 802}
 803static inline int acpi_boot_init(void)
 804{
 805	return 0;
 806}
 807
 808static inline void acpi_boot_table_init(void)
 809{
 810	return;
 811}
 812
 813static inline int acpi_mps_check(void)
 814{
 815	return 0;
 816}
 817
 818static inline int acpi_check_resource_conflict(struct resource *res)
 819{
 820	return 0;
 821}
 822
 823static inline int acpi_check_region(resource_size_t start, resource_size_t n,
 824				    const char *name)
 825{
 826	return 0;
 827}
 828
 829struct acpi_table_header;
 830static inline int acpi_table_parse(char *id,
 831				int (*handler)(struct acpi_table_header *))
 832{
 833	return -ENODEV;
 834}
 835
 836static inline int acpi_nvs_register(__u64 start, __u64 size)
 837{
 838	return 0;
 839}
 840
 841static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
 842					   void *data)
 843{
 844	return 0;
 845}
 846
 847struct acpi_device_id;
 848
 849static inline const struct acpi_device_id *acpi_match_device(
 850	const struct acpi_device_id *ids, const struct device *dev)
 851{
 852	return NULL;
 853}
 854
 855static inline const void *acpi_device_get_match_data(const struct device *dev)
 856{
 857	return NULL;
 858}
 859
 860static inline bool acpi_driver_match_device(struct device *dev,
 861					    const struct device_driver *drv)
 862{
 863	return false;
 864}
 865
 866static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
 867						   const guid_t *guid,
 868						   int rev, int func,
 869						   union acpi_object *argv4)
 870{
 871	return NULL;
 872}
 873
 874static inline int acpi_device_uevent_modalias(struct device *dev,
 875				struct kobj_uevent_env *env)
 876{
 877	return -ENODEV;
 878}
 879
 880static inline int acpi_device_modalias(struct device *dev,
 881				char *buf, int size)
 882{
 883	return -ENODEV;
 884}
 885
 886static inline bool acpi_dma_supported(struct acpi_device *adev)
 887{
 888	return false;
 889}
 890
 891static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
 892{
 893	return DEV_DMA_NOT_SUPPORTED;
 894}
 895
 896static inline int acpi_dma_get_range(struct device *dev, u64 *dma_addr,
 897				     u64 *offset, u64 *size)
 898{
 899	return -ENODEV;
 900}
 901
 902static inline int acpi_dma_configure(struct device *dev,
 903				     enum dev_dma_attr attr)
 904{
 905	return 0;
 906}
 907
 908static inline int acpi_dma_configure_id(struct device *dev,
 909					enum dev_dma_attr attr,
 910					const u32 *input_id)
 911{
 912	return 0;
 913}
 914
 915#define ACPI_PTR(_ptr)	(NULL)
 916
 917static inline void acpi_device_set_enumerated(struct acpi_device *adev)
 918{
 919}
 920
 921static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
 922{
 923}
 924
 925static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
 926{
 927	return -EINVAL;
 928}
 929
 930static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
 931{
 932	return -EINVAL;
 933}
 934
 935static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
 936{
 937	return NULL;
 938}
 939
 940#endif	/* !CONFIG_ACPI */
 941
 942#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
 943int acpi_ioapic_add(acpi_handle root);
 944#else
 945static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
 946#endif
 947
 948#ifdef CONFIG_ACPI
 949void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
 950			       u32 pm1a_ctrl,  u32 pm1b_ctrl));
 951
 952acpi_status acpi_os_prepare_sleep(u8 sleep_state,
 953				  u32 pm1a_control, u32 pm1b_control);
 954
 955void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
 956				        u32 val_a,  u32 val_b));
 957
 958acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
 959					   u32 val_a, u32 val_b);
 960
 961#ifndef CONFIG_IA64
 962void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
 963#else
 964static inline void arch_reserve_mem_area(acpi_physical_address addr,
 965					  size_t size)
 966{
 967}
 968#endif /* CONFIG_X86 */
 969#else
 970#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
 971#endif
 972
 973#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
 974int acpi_dev_suspend(struct device *dev, bool wakeup);
 975int acpi_dev_resume(struct device *dev);
 976int acpi_subsys_runtime_suspend(struct device *dev);
 977int acpi_subsys_runtime_resume(struct device *dev);
 978int acpi_dev_pm_attach(struct device *dev, bool power_on);
 979#else
 980static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
 981static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
 982static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
 983static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
 984static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
 985{
 986	return 0;
 987}
 988#endif
 989
 990#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
 991int acpi_subsys_prepare(struct device *dev);
 992void acpi_subsys_complete(struct device *dev);
 993int acpi_subsys_suspend_late(struct device *dev);
 994int acpi_subsys_suspend_noirq(struct device *dev);
 995int acpi_subsys_suspend(struct device *dev);
 996int acpi_subsys_freeze(struct device *dev);
 997int acpi_subsys_poweroff(struct device *dev);
 998void acpi_ec_mark_gpe_for_wake(void);
 999void acpi_ec_set_gpe_wake_mask(u8 action);
1000#else
1001static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
1002static inline void acpi_subsys_complete(struct device *dev) {}
1003static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
1004static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; }
1005static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
1006static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
1007static inline int acpi_subsys_poweroff(struct device *dev) { return 0; }
1008static inline void acpi_ec_mark_gpe_for_wake(void) {}
1009static inline void acpi_ec_set_gpe_wake_mask(u8 action) {}
1010#endif
1011
1012#ifdef CONFIG_ACPI
1013__printf(3, 4)
1014void acpi_handle_printk(const char *level, acpi_handle handle,
1015			const char *fmt, ...);
1016#else	/* !CONFIG_ACPI */
1017static inline __printf(3, 4) void
1018acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
1019#endif	/* !CONFIG_ACPI */
1020
1021#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
1022__printf(3, 4)
1023void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
1024#endif
1025
1026/*
1027 * acpi_handle_<level>: Print message with ACPI prefix and object path
1028 *
1029 * These interfaces acquire the global namespace mutex to obtain an object
1030 * path.  In interrupt context, it shows the object path as <n/a>.
1031 */
1032#define acpi_handle_emerg(handle, fmt, ...)				\
1033	acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
1034#define acpi_handle_alert(handle, fmt, ...)				\
1035	acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
1036#define acpi_handle_crit(handle, fmt, ...)				\
1037	acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
1038#define acpi_handle_err(handle, fmt, ...)				\
1039	acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
1040#define acpi_handle_warn(handle, fmt, ...)				\
1041	acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
1042#define acpi_handle_notice(handle, fmt, ...)				\
1043	acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
1044#define acpi_handle_info(handle, fmt, ...)				\
1045	acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
1046
1047#if defined(DEBUG)
1048#define acpi_handle_debug(handle, fmt, ...)				\
1049	acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
1050#else
1051#if defined(CONFIG_DYNAMIC_DEBUG)
1052#define acpi_handle_debug(handle, fmt, ...)				\
1053	_dynamic_func_call(fmt, __acpi_handle_debug,			\
1054			   handle, pr_fmt(fmt), ##__VA_ARGS__)
1055#else
1056#define acpi_handle_debug(handle, fmt, ...)				\
1057({									\
1058	if (0)								\
1059		acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
1060	0;								\
1061})
1062#endif
1063#endif
1064
1065#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
1066bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1067				struct acpi_resource_gpio **agpio);
1068int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
1069#else
1070static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1071					      struct acpi_resource_gpio **agpio)
1072{
1073	return false;
1074}
1075static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
1076{
1077	return -ENXIO;
1078}
1079#endif
1080
1081/* Device properties */
1082
1083#ifdef CONFIG_ACPI
1084int acpi_dev_get_property(const struct acpi_device *adev, const char *name,
1085			  acpi_object_type type, const union acpi_object **obj);
1086int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1087				const char *name, size_t index, size_t num_args,
1088				struct fwnode_reference_args *args);
1089
1090static inline int acpi_node_get_property_reference(
1091				const struct fwnode_handle *fwnode,
1092				const char *name, size_t index,
1093				struct fwnode_reference_args *args)
1094{
1095	return __acpi_node_get_property_reference(fwnode, name, index,
1096		NR_FWNODE_REFERENCE_ARGS, args);
1097}
1098
1099static inline bool acpi_dev_has_props(const struct acpi_device *adev)
1100{
1101	return !list_empty(&adev->data.properties);
1102}
1103
1104struct acpi_device_properties *
1105acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid,
1106		    const union acpi_object *properties);
1107
1108int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
1109		       void **valptr);
1110int acpi_dev_prop_read_single(struct acpi_device *adev,
1111			      const char *propname, enum dev_prop_type proptype,
1112			      void *val);
1113int acpi_node_prop_read(const struct fwnode_handle *fwnode,
1114			const char *propname, enum dev_prop_type proptype,
1115			void *val, size_t nval);
1116int acpi_dev_prop_read(const struct acpi_device *adev, const char *propname,
1117		       enum dev_prop_type proptype, void *val, size_t nval);
1118
1119struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1120					    struct fwnode_handle *child);
1121struct fwnode_handle *acpi_node_get_parent(const struct fwnode_handle *fwnode);
1122
1123struct acpi_probe_entry;
1124typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1125						 struct acpi_probe_entry *);
1126
1127#define ACPI_TABLE_ID_LEN	5
1128
1129/**
1130 * struct acpi_probe_entry - boot-time probing entry
1131 * @id:			ACPI table name
1132 * @type:		Optional subtable type to match
1133 *			(if @id contains subtables)
1134 * @subtable_valid:	Optional callback to check the validity of
1135 *			the subtable
1136 * @probe_table:	Callback to the driver being probed when table
1137 *			match is successful
1138 * @probe_subtbl:	Callback to the driver being probed when table and
1139 *			subtable match (and optional callback is successful)
1140 * @driver_data:	Sideband data provided back to the driver
1141 */
1142struct acpi_probe_entry {
1143	__u8 id[ACPI_TABLE_ID_LEN];
1144	__u8 type;
1145	acpi_probe_entry_validate_subtbl subtable_valid;
1146	union {
1147		acpi_tbl_table_handler probe_table;
1148		acpi_tbl_entry_handler probe_subtbl;
1149	};
1150	kernel_ulong_t driver_data;
1151};
1152
1153#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable,	\
1154				 valid, data, fn)			\
1155	static const struct acpi_probe_entry __acpi_probe_##name	\
1156		__used __section(__##table##_acpi_probe_table) = {	\
1157			.id = table_id,					\
1158			.type = subtable,				\
1159			.subtable_valid = valid,			\
1160			.probe_table = fn,				\
1161			.driver_data = data,				\
1162		}
1163
1164#define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id,	\
1165					  subtable, valid, data, fn)	\
1166	static const struct acpi_probe_entry __acpi_probe_##name	\
1167		__used __section(__##table##_acpi_probe_table) = {	\
1168			.id = table_id,					\
1169			.type = subtable,				\
1170			.subtable_valid = valid,			\
1171			.probe_subtbl = fn,				\
1172			.driver_data = data,				\
1173		}
1174
1175#define ACPI_PROBE_TABLE(name)		__##name##_acpi_probe_table
1176#define ACPI_PROBE_TABLE_END(name)	__##name##_acpi_probe_table_end
1177
1178int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1179
1180#define acpi_probe_device_table(t)					\
1181	({ 								\
1182		extern struct acpi_probe_entry ACPI_PROBE_TABLE(t),	\
1183			                       ACPI_PROBE_TABLE_END(t);	\
1184		__acpi_probe_device_table(&ACPI_PROBE_TABLE(t),		\
1185					  (&ACPI_PROBE_TABLE_END(t) -	\
1186					   &ACPI_PROBE_TABLE(t)));	\
1187	})
1188#else
1189static inline int acpi_dev_get_property(struct acpi_device *adev,
1190					const char *name, acpi_object_type type,
1191					const union acpi_object **obj)
1192{
1193	return -ENXIO;
1194}
1195
1196static inline int
1197__acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1198				const char *name, size_t index, size_t num_args,
1199				struct fwnode_reference_args *args)
1200{
1201	return -ENXIO;
1202}
1203
1204static inline int
1205acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1206				 const char *name, size_t index,
1207				 struct fwnode_reference_args *args)
1208{
1209	return -ENXIO;
1210}
1211
1212static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
1213				     const char *propname,
1214				     void **valptr)
1215{
1216	return -ENXIO;
1217}
1218
1219static inline int acpi_dev_prop_get(const struct acpi_device *adev,
1220				    const char *propname,
1221				    void **valptr)
1222{
1223	return -ENXIO;
1224}
1225
1226static inline int acpi_dev_prop_read_single(const struct acpi_device *adev,
1227					    const char *propname,
1228					    enum dev_prop_type proptype,
1229					    void *val)
1230{
1231	return -ENXIO;
1232}
1233
1234static inline int acpi_node_prop_read(const struct fwnode_handle *fwnode,
1235				      const char *propname,
1236				      enum dev_prop_type proptype,
1237				      void *val, size_t nval)
1238{
1239	return -ENXIO;
1240}
1241
1242static inline int acpi_dev_prop_read(const struct acpi_device *adev,
1243				     const char *propname,
1244				     enum dev_prop_type proptype,
1245				     void *val, size_t nval)
1246{
1247	return -ENXIO;
1248}
1249
1250static inline struct fwnode_handle *
1251acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1252		      struct fwnode_handle *child)
1253{
1254	return NULL;
1255}
1256
1257static inline struct fwnode_handle *
1258acpi_node_get_parent(const struct fwnode_handle *fwnode)
1259{
1260	return NULL;
1261}
1262
1263static inline struct fwnode_handle *
1264acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1265			     struct fwnode_handle *prev)
1266{
1267	return ERR_PTR(-ENXIO);
1268}
1269
1270static inline int
1271acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1272			       struct fwnode_handle **remote,
1273			       struct fwnode_handle **port,
1274			       struct fwnode_handle **endpoint)
1275{
1276	return -ENXIO;
1277}
1278
1279#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1280	static const void * __acpi_table_##name[]			\
1281		__attribute__((unused))					\
1282		 = { (void *) table_id,					\
1283		     (void *) subtable,					\
1284		     (void *) valid,					\
1285		     (void *) fn,					\
1286		     (void *) data }
1287
1288#define acpi_probe_device_table(t)	({ int __r = 0; __r;})
1289#endif
1290
1291#ifdef CONFIG_ACPI_TABLE_UPGRADE
1292void acpi_table_upgrade(void);
1293#else
1294static inline void acpi_table_upgrade(void) { }
1295#endif
1296
1297#if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1298extern bool acpi_has_watchdog(void);
1299#else
1300static inline bool acpi_has_watchdog(void) { return false; }
1301#endif
1302
1303#ifdef CONFIG_ACPI_SPCR_TABLE
1304extern bool qdf2400_e44_present;
1305int acpi_parse_spcr(bool enable_earlycon, bool enable_console);
1306#else
1307static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console)
1308{
1309	return 0;
1310}
1311#endif
1312
1313#if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1314int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1315#else
1316static inline
1317int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1318{
1319	return -EINVAL;
1320}
1321#endif
1322
1323#ifdef CONFIG_ACPI_LPIT
1324int lpit_read_residency_count_address(u64 *address);
1325#else
1326static inline int lpit_read_residency_count_address(u64 *address)
1327{
1328	return -EINVAL;
1329}
1330#endif
1331
1332#ifdef CONFIG_ACPI_PPTT
1333int acpi_pptt_cpu_is_thread(unsigned int cpu);
1334int find_acpi_cpu_topology(unsigned int cpu, int level);
1335int find_acpi_cpu_topology_package(unsigned int cpu);
1336int find_acpi_cpu_topology_hetero_id(unsigned int cpu);
1337int find_acpi_cpu_cache_topology(unsigned int cpu, int level);
1338#else
1339static inline int acpi_pptt_cpu_is_thread(unsigned int cpu)
1340{
1341	return -EINVAL;
1342}
1343static inline int find_acpi_cpu_topology(unsigned int cpu, int level)
1344{
1345	return -EINVAL;
1346}
1347static inline int find_acpi_cpu_topology_package(unsigned int cpu)
1348{
1349	return -EINVAL;
1350}
1351static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu)
1352{
1353	return -EINVAL;
1354}
1355static inline int find_acpi_cpu_cache_topology(unsigned int cpu, int level)
1356{
1357	return -EINVAL;
1358}
1359#endif
1360
1361#ifdef CONFIG_ACPI
1362extern int acpi_platform_notify(struct device *dev, enum kobject_action action);
1363#else
1364static inline int
1365acpi_platform_notify(struct device *dev, enum kobject_action action)
1366{
1367	return 0;
1368}
1369#endif
1370
1371#endif	/*_LINUX_ACPI_H*/