linux/include/linux/acpi.h
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   1/*
   2 * acpi.h - ACPI Interface
   3 *
   4 * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
   5 *
   6 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   7 *
   8 * This program is free software; you can redistribute it and/or modify
   9 * it under the terms of the GNU General Public License as published by
  10 * the Free Software Foundation; either version 2 of the License, or
  11 * (at your option) any later version.
  12 *
  13 * This program is distributed in the hope that it will be useful,
  14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 * GNU General Public License for more details.
  17 *
  18 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  19 */
  20
  21#ifndef _LINUX_ACPI_H
  22#define _LINUX_ACPI_H
  23
  24#include <linux/errno.h>
  25#include <linux/ioport.h>       /* for struct resource */
  26#include <linux/resource_ext.h>
  27#include <linux/device.h>
  28#include <linux/property.h>
  29#include <linux/uuid.h>
  30
  31#ifndef _LINUX
  32#define _LINUX
  33#endif
  34#include <acpi/acpi.h>
  35
  36#ifdef  CONFIG_ACPI
  37
  38#include <linux/list.h>
  39#include <linux/mod_devicetable.h>
  40#include <linux/dynamic_debug.h>
  41#include <linux/module.h>
  42#include <linux/mutex.h>
  43
  44#include <acpi/acpi_bus.h>
  45#include <acpi/acpi_drivers.h>
  46#include <acpi/acpi_numa.h>
  47#include <acpi/acpi_io.h>
  48#include <asm/acpi.h>
  49
  50static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
  51{
  52        return adev ? adev->handle : NULL;
  53}
  54
  55#define ACPI_COMPANION(dev)             to_acpi_device_node((dev)->fwnode)
  56#define ACPI_COMPANION_SET(dev, adev)   set_primary_fwnode(dev, (adev) ? \
  57        acpi_fwnode_handle(adev) : NULL)
  58#define ACPI_HANDLE(dev)                acpi_device_handle(ACPI_COMPANION(dev))
  59#define ACPI_HANDLE_FWNODE(fwnode)      \
  60                                acpi_device_handle(to_acpi_device_node(fwnode))
  61
  62static inline struct fwnode_handle *acpi_alloc_fwnode_static(void)
  63{
  64        struct fwnode_handle *fwnode;
  65
  66        fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL);
  67        if (!fwnode)
  68                return NULL;
  69
  70        fwnode->ops = &acpi_static_fwnode_ops;
  71
  72        return fwnode;
  73}
  74
  75static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode)
  76{
  77        if (WARN_ON(!is_acpi_static_node(fwnode)))
  78                return;
  79
  80        kfree(fwnode);
  81}
  82
  83/**
  84 * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with
  85 * the PCI-defined class-code information
  86 *
  87 * @_cls : the class, subclass, prog-if triple for this device
  88 * @_msk : the class mask for this device
  89 *
  90 * This macro is used to create a struct acpi_device_id that matches a
  91 * specific PCI class. The .id and .driver_data fields will be left
  92 * initialized with the default value.
  93 */
  94#define ACPI_DEVICE_CLASS(_cls, _msk)   .cls = (_cls), .cls_msk = (_msk),
  95
  96static inline bool has_acpi_companion(struct device *dev)
  97{
  98        return is_acpi_device_node(dev->fwnode);
  99}
 100
 101static inline void acpi_preset_companion(struct device *dev,
 102                                         struct acpi_device *parent, u64 addr)
 103{
 104        ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL));
 105}
 106
 107static inline const char *acpi_dev_name(struct acpi_device *adev)
 108{
 109        return dev_name(&adev->dev);
 110}
 111
 112struct device *acpi_get_first_physical_node(struct acpi_device *adev);
 113
 114enum acpi_irq_model_id {
 115        ACPI_IRQ_MODEL_PIC = 0,
 116        ACPI_IRQ_MODEL_IOAPIC,
 117        ACPI_IRQ_MODEL_IOSAPIC,
 118        ACPI_IRQ_MODEL_PLATFORM,
 119        ACPI_IRQ_MODEL_GIC,
 120        ACPI_IRQ_MODEL_COUNT
 121};
 122
 123extern enum acpi_irq_model_id   acpi_irq_model;
 124
 125enum acpi_interrupt_id {
 126        ACPI_INTERRUPT_PMI      = 1,
 127        ACPI_INTERRUPT_INIT,
 128        ACPI_INTERRUPT_CPEI,
 129        ACPI_INTERRUPT_COUNT
 130};
 131
 132#define ACPI_SPACE_MEM          0
 133
 134enum acpi_address_range_id {
 135        ACPI_ADDRESS_RANGE_MEMORY = 1,
 136        ACPI_ADDRESS_RANGE_RESERVED = 2,
 137        ACPI_ADDRESS_RANGE_ACPI = 3,
 138        ACPI_ADDRESS_RANGE_NVS  = 4,
 139        ACPI_ADDRESS_RANGE_COUNT
 140};
 141
 142
 143/* Table Handlers */
 144
 145typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
 146
 147typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
 148                                      const unsigned long end);
 149
 150/* Debugger support */
 151
 152struct acpi_debugger_ops {
 153        int (*create_thread)(acpi_osd_exec_callback function, void *context);
 154        ssize_t (*write_log)(const char *msg);
 155        ssize_t (*read_cmd)(char *buffer, size_t length);
 156        int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
 157        int (*notify_command_complete)(void);
 158};
 159
 160struct acpi_debugger {
 161        const struct acpi_debugger_ops *ops;
 162        struct module *owner;
 163        struct mutex lock;
 164};
 165
 166#ifdef CONFIG_ACPI_DEBUGGER
 167int __init acpi_debugger_init(void);
 168int acpi_register_debugger(struct module *owner,
 169                           const struct acpi_debugger_ops *ops);
 170void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
 171int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
 172ssize_t acpi_debugger_write_log(const char *msg);
 173ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
 174int acpi_debugger_wait_command_ready(void);
 175int acpi_debugger_notify_command_complete(void);
 176#else
 177static inline int acpi_debugger_init(void)
 178{
 179        return -ENODEV;
 180}
 181
 182static inline int acpi_register_debugger(struct module *owner,
 183                                         const struct acpi_debugger_ops *ops)
 184{
 185        return -ENODEV;
 186}
 187
 188static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
 189{
 190}
 191
 192static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
 193                                              void *context)
 194{
 195        return -ENODEV;
 196}
 197
 198static inline int acpi_debugger_write_log(const char *msg)
 199{
 200        return -ENODEV;
 201}
 202
 203static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
 204{
 205        return -ENODEV;
 206}
 207
 208static inline int acpi_debugger_wait_command_ready(void)
 209{
 210        return -ENODEV;
 211}
 212
 213static inline int acpi_debugger_notify_command_complete(void)
 214{
 215        return -ENODEV;
 216}
 217#endif
 218
 219#define BAD_MADT_ENTRY(entry, end) (                                        \
 220                (!entry) || (unsigned long)entry + sizeof(*entry) > end ||  \
 221                ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
 222
 223struct acpi_subtable_proc {
 224        int id;
 225        acpi_tbl_entry_handler handler;
 226        int count;
 227};
 228
 229void __iomem *__acpi_map_table(unsigned long phys, unsigned long size);
 230void __acpi_unmap_table(void __iomem *map, unsigned long size);
 231int early_acpi_boot_init(void);
 232int acpi_boot_init (void);
 233void acpi_boot_table_init (void);
 234int acpi_mps_check (void);
 235int acpi_numa_init (void);
 236
 237int acpi_table_init (void);
 238int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
 239int __init acpi_table_parse_entries(char *id, unsigned long table_size,
 240                              int entry_id,
 241                              acpi_tbl_entry_handler handler,
 242                              unsigned int max_entries);
 243int __init acpi_table_parse_entries_array(char *id, unsigned long table_size,
 244                              struct acpi_subtable_proc *proc, int proc_num,
 245                              unsigned int max_entries);
 246int acpi_table_parse_madt(enum acpi_madt_type id,
 247                          acpi_tbl_entry_handler handler,
 248                          unsigned int max_entries);
 249int acpi_parse_mcfg (struct acpi_table_header *header);
 250void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
 251
 252/* the following numa functions are architecture-dependent */
 253void acpi_numa_slit_init (struct acpi_table_slit *slit);
 254
 255#if defined(CONFIG_X86) || defined(CONFIG_IA64)
 256void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
 257#else
 258static inline void
 259acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
 260#endif
 261
 262void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
 263
 264#ifdef CONFIG_ARM64
 265void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
 266#else
 267static inline void
 268acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
 269#endif
 270
 271int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
 272
 273#ifndef PHYS_CPUID_INVALID
 274typedef u32 phys_cpuid_t;
 275#define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
 276#endif
 277
 278static inline bool invalid_logical_cpuid(u32 cpuid)
 279{
 280        return (int)cpuid < 0;
 281}
 282
 283static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
 284{
 285        return phys_id == PHYS_CPUID_INVALID;
 286}
 287
 288/* Validate the processor object's proc_id */
 289bool acpi_duplicate_processor_id(int proc_id);
 290
 291#ifdef CONFIG_ACPI_HOTPLUG_CPU
 292/* Arch dependent functions for cpu hotplug support */
 293int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
 294                 int *pcpu);
 295int acpi_unmap_cpu(int cpu);
 296#endif /* CONFIG_ACPI_HOTPLUG_CPU */
 297
 298#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
 299int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
 300#endif
 301
 302int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
 303int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
 304int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
 305void acpi_irq_stats_init(void);
 306extern u32 acpi_irq_handled;
 307extern u32 acpi_irq_not_handled;
 308extern unsigned int acpi_sci_irq;
 309extern bool acpi_no_s5;
 310#define INVALID_ACPI_IRQ        ((unsigned)-1)
 311static inline bool acpi_sci_irq_valid(void)
 312{
 313        return acpi_sci_irq != INVALID_ACPI_IRQ;
 314}
 315
 316extern int sbf_port;
 317extern unsigned long acpi_realmode_flags;
 318
 319int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
 320int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
 321int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
 322
 323void acpi_set_irq_model(enum acpi_irq_model_id model,
 324                        struct fwnode_handle *fwnode);
 325
 326#ifdef CONFIG_X86_IO_APIC
 327extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
 328#else
 329#define acpi_get_override_irq(gsi, trigger, polarity) (-1)
 330#endif
 331/*
 332 * This function undoes the effect of one call to acpi_register_gsi().
 333 * If this matches the last registration, any IRQ resources for gsi
 334 * are freed.
 335 */
 336void acpi_unregister_gsi (u32 gsi);
 337
 338struct pci_dev;
 339
 340int acpi_pci_irq_enable (struct pci_dev *dev);
 341void acpi_penalize_isa_irq(int irq, int active);
 342bool acpi_isa_irq_available(int irq);
 343void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
 344void acpi_pci_irq_disable (struct pci_dev *dev);
 345
 346extern int ec_read(u8 addr, u8 *val);
 347extern int ec_write(u8 addr, u8 val);
 348extern int ec_transaction(u8 command,
 349                          const u8 *wdata, unsigned wdata_len,
 350                          u8 *rdata, unsigned rdata_len);
 351extern acpi_handle ec_get_handle(void);
 352
 353extern bool acpi_is_pnp_device(struct acpi_device *);
 354
 355#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
 356
 357typedef void (*wmi_notify_handler) (u32 value, void *context);
 358
 359extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
 360                                        u32 method_id,
 361                                        const struct acpi_buffer *in,
 362                                        struct acpi_buffer *out);
 363extern acpi_status wmi_query_block(const char *guid, u8 instance,
 364                                        struct acpi_buffer *out);
 365extern acpi_status wmi_set_block(const char *guid, u8 instance,
 366                                        const struct acpi_buffer *in);
 367extern acpi_status wmi_install_notify_handler(const char *guid,
 368                                        wmi_notify_handler handler, void *data);
 369extern acpi_status wmi_remove_notify_handler(const char *guid);
 370extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
 371extern bool wmi_has_guid(const char *guid);
 372
 373#endif  /* CONFIG_ACPI_WMI */
 374
 375#define ACPI_VIDEO_OUTPUT_SWITCHING                     0x0001
 376#define ACPI_VIDEO_DEVICE_POSTING                       0x0002
 377#define ACPI_VIDEO_ROM_AVAILABLE                        0x0004
 378#define ACPI_VIDEO_BACKLIGHT                            0x0008
 379#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR               0x0010
 380#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO                0x0020
 381#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR        0x0040
 382#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO         0x0080
 383#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR                 0x0100
 384#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO                  0x0200
 385#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR          0x0400
 386#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO           0x0800
 387
 388extern char acpi_video_backlight_string[];
 389extern long acpi_is_video_device(acpi_handle handle);
 390extern int acpi_blacklisted(void);
 391extern void acpi_osi_setup(char *str);
 392extern bool acpi_osi_is_win8(void);
 393
 394#ifdef CONFIG_ACPI_NUMA
 395int acpi_map_pxm_to_online_node(int pxm);
 396int acpi_get_node(acpi_handle handle);
 397#else
 398static inline int acpi_map_pxm_to_online_node(int pxm)
 399{
 400        return 0;
 401}
 402static inline int acpi_get_node(acpi_handle handle)
 403{
 404        return 0;
 405}
 406#endif
 407extern int acpi_paddr_to_node(u64 start_addr, u64 size);
 408
 409extern int pnpacpi_disabled;
 410
 411#define PXM_INVAL       (-1)
 412
 413bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
 414bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
 415bool acpi_dev_resource_address_space(struct acpi_resource *ares,
 416                                     struct resource_win *win);
 417bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
 418                                         struct resource_win *win);
 419unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
 420unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
 421bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
 422                                 struct resource *res);
 423
 424void acpi_dev_free_resource_list(struct list_head *list);
 425int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
 426                           int (*preproc)(struct acpi_resource *, void *),
 427                           void *preproc_data);
 428int acpi_dev_get_dma_resources(struct acpi_device *adev,
 429                               struct list_head *list);
 430int acpi_dev_filter_resource_type(struct acpi_resource *ares,
 431                                  unsigned long types);
 432
 433static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
 434                                                   void *arg)
 435{
 436        return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
 437}
 438
 439struct acpi_device *acpi_resource_consumer(struct resource *res);
 440
 441int acpi_check_resource_conflict(const struct resource *res);
 442
 443int acpi_check_region(resource_size_t start, resource_size_t n,
 444                      const char *name);
 445
 446int acpi_resources_are_enforced(void);
 447
 448#ifdef CONFIG_HIBERNATION
 449void __init acpi_no_s4_hw_signature(void);
 450#endif
 451
 452#ifdef CONFIG_PM_SLEEP
 453void __init acpi_old_suspend_ordering(void);
 454void __init acpi_nvs_nosave(void);
 455void __init acpi_nvs_nosave_s3(void);
 456void __init acpi_sleep_no_blacklist(void);
 457#endif /* CONFIG_PM_SLEEP */
 458
 459struct acpi_osc_context {
 460        char *uuid_str;                 /* UUID string */
 461        int rev;
 462        struct acpi_buffer cap;         /* list of DWORD capabilities */
 463        struct acpi_buffer ret;         /* free by caller if success */
 464};
 465
 466acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
 467
 468/* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
 469#define OSC_QUERY_DWORD                         0       /* DWORD 1 */
 470#define OSC_SUPPORT_DWORD                       1       /* DWORD 2 */
 471#define OSC_CONTROL_DWORD                       2       /* DWORD 3 */
 472
 473/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
 474#define OSC_QUERY_ENABLE                        0x00000001  /* input */
 475#define OSC_REQUEST_ERROR                       0x00000002  /* return */
 476#define OSC_INVALID_UUID_ERROR                  0x00000004  /* return */
 477#define OSC_INVALID_REVISION_ERROR              0x00000008  /* return */
 478#define OSC_CAPABILITIES_MASK_ERROR             0x00000010  /* return */
 479
 480/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
 481#define OSC_SB_PAD_SUPPORT                      0x00000001
 482#define OSC_SB_PPC_OST_SUPPORT                  0x00000002
 483#define OSC_SB_PR3_SUPPORT                      0x00000004
 484#define OSC_SB_HOTPLUG_OST_SUPPORT              0x00000008
 485#define OSC_SB_APEI_SUPPORT                     0x00000010
 486#define OSC_SB_CPC_SUPPORT                      0x00000020
 487#define OSC_SB_CPCV2_SUPPORT                    0x00000040
 488#define OSC_SB_PCLPI_SUPPORT                    0x00000080
 489#define OSC_SB_OSLPI_SUPPORT                    0x00000100
 490#define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT         0x00001000
 491
 492extern bool osc_sb_apei_support_acked;
 493extern bool osc_pc_lpi_support_confirmed;
 494
 495/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
 496#define OSC_PCI_EXT_CONFIG_SUPPORT              0x00000001
 497#define OSC_PCI_ASPM_SUPPORT                    0x00000002
 498#define OSC_PCI_CLOCK_PM_SUPPORT                0x00000004
 499#define OSC_PCI_SEGMENT_GROUPS_SUPPORT          0x00000008
 500#define OSC_PCI_MSI_SUPPORT                     0x00000010
 501#define OSC_PCI_SUPPORT_MASKS                   0x0000001f
 502
 503/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
 504#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL       0x00000001
 505#define OSC_PCI_SHPC_NATIVE_HP_CONTROL          0x00000002
 506#define OSC_PCI_EXPRESS_PME_CONTROL             0x00000004
 507#define OSC_PCI_EXPRESS_AER_CONTROL             0x00000008
 508#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL      0x00000010
 509#define OSC_PCI_CONTROL_MASKS                   0x0000001f
 510
 511#define ACPI_GSB_ACCESS_ATTRIB_QUICK            0x00000002
 512#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV         0x00000004
 513#define ACPI_GSB_ACCESS_ATTRIB_BYTE             0x00000006
 514#define ACPI_GSB_ACCESS_ATTRIB_WORD             0x00000008
 515#define ACPI_GSB_ACCESS_ATTRIB_BLOCK            0x0000000A
 516#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE        0x0000000B
 517#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL        0x0000000C
 518#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL       0x0000000D
 519#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES        0x0000000E
 520#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS      0x0000000F
 521
 522extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
 523                                             u32 *mask, u32 req);
 524
 525/* Enable _OST when all relevant hotplug operations are enabled */
 526#if defined(CONFIG_ACPI_HOTPLUG_CPU) &&                 \
 527        defined(CONFIG_ACPI_HOTPLUG_MEMORY) &&          \
 528        defined(CONFIG_ACPI_CONTAINER)
 529#define ACPI_HOTPLUG_OST
 530#endif
 531
 532/* _OST Source Event Code (OSPM Action) */
 533#define ACPI_OST_EC_OSPM_SHUTDOWN               0x100
 534#define ACPI_OST_EC_OSPM_EJECT                  0x103
 535#define ACPI_OST_EC_OSPM_INSERTION              0x200
 536
 537/* _OST General Processing Status Code */
 538#define ACPI_OST_SC_SUCCESS                     0x0
 539#define ACPI_OST_SC_NON_SPECIFIC_FAILURE        0x1
 540#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY         0x2
 541
 542/* _OST OS Shutdown Processing (0x100) Status Code */
 543#define ACPI_OST_SC_OS_SHUTDOWN_DENIED          0x80
 544#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS     0x81
 545#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED       0x82
 546#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED   0x83
 547
 548/* _OST Ejection Request (0x3, 0x103) Status Code */
 549#define ACPI_OST_SC_EJECT_NOT_SUPPORTED         0x80
 550#define ACPI_OST_SC_DEVICE_IN_USE               0x81
 551#define ACPI_OST_SC_DEVICE_BUSY                 0x82
 552#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY       0x83
 553#define ACPI_OST_SC_EJECT_IN_PROGRESS           0x84
 554
 555/* _OST Insertion Request (0x200) Status Code */
 556#define ACPI_OST_SC_INSERT_IN_PROGRESS          0x80
 557#define ACPI_OST_SC_DRIVER_LOAD_FAILURE         0x81
 558#define ACPI_OST_SC_INSERT_NOT_SUPPORTED        0x82
 559
 560enum acpi_predicate {
 561        all_versions,
 562        less_than_or_equal,
 563        equal,
 564        greater_than_or_equal,
 565};
 566
 567/* Table must be terminted by a NULL entry */
 568struct acpi_platform_list {
 569        char    oem_id[ACPI_OEM_ID_SIZE+1];
 570        char    oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
 571        u32     oem_revision;
 572        char    *table;
 573        enum acpi_predicate pred;
 574        char    *reason;
 575        u32     data;
 576};
 577int acpi_match_platform_list(const struct acpi_platform_list *plat);
 578
 579extern void acpi_early_init(void);
 580extern void acpi_subsystem_init(void);
 581
 582extern int acpi_nvs_register(__u64 start, __u64 size);
 583
 584extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
 585                                    void *data);
 586
 587const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
 588                                               const struct device *dev);
 589
 590const void *acpi_device_get_match_data(const struct device *dev);
 591extern bool acpi_driver_match_device(struct device *dev,
 592                                     const struct device_driver *drv);
 593int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
 594int acpi_device_modalias(struct device *, char *, int);
 595void acpi_walk_dep_device_list(acpi_handle handle);
 596
 597struct platform_device *acpi_create_platform_device(struct acpi_device *,
 598                                                    struct property_entry *);
 599#define ACPI_PTR(_ptr)  (_ptr)
 600
 601static inline void acpi_device_set_enumerated(struct acpi_device *adev)
 602{
 603        adev->flags.visited = true;
 604}
 605
 606static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
 607{
 608        adev->flags.visited = false;
 609}
 610
 611enum acpi_reconfig_event  {
 612        ACPI_RECONFIG_DEVICE_ADD = 0,
 613        ACPI_RECONFIG_DEVICE_REMOVE,
 614};
 615
 616int acpi_reconfig_notifier_register(struct notifier_block *nb);
 617int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
 618
 619#ifdef CONFIG_ACPI_GTDT
 620int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
 621int acpi_gtdt_map_ppi(int type);
 622bool acpi_gtdt_c3stop(int type);
 623int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count);
 624#endif
 625
 626#else   /* !CONFIG_ACPI */
 627
 628#define acpi_disabled 1
 629
 630#define ACPI_COMPANION(dev)             (NULL)
 631#define ACPI_COMPANION_SET(dev, adev)   do { } while (0)
 632#define ACPI_HANDLE(dev)                (NULL)
 633#define ACPI_HANDLE_FWNODE(fwnode)      (NULL)
 634#define ACPI_DEVICE_CLASS(_cls, _msk)   .cls = (0), .cls_msk = (0),
 635
 636struct fwnode_handle;
 637
 638static inline bool acpi_dev_found(const char *hid)
 639{
 640        return false;
 641}
 642
 643static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
 644{
 645        return false;
 646}
 647
 648static inline const char *
 649acpi_dev_get_first_match_name(const char *hid, const char *uid, s64 hrv)
 650{
 651        return NULL;
 652}
 653
 654static inline bool is_acpi_node(struct fwnode_handle *fwnode)
 655{
 656        return false;
 657}
 658
 659static inline bool is_acpi_device_node(struct fwnode_handle *fwnode)
 660{
 661        return false;
 662}
 663
 664static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode)
 665{
 666        return NULL;
 667}
 668
 669static inline bool is_acpi_data_node(struct fwnode_handle *fwnode)
 670{
 671        return false;
 672}
 673
 674static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode)
 675{
 676        return NULL;
 677}
 678
 679static inline bool acpi_data_node_match(struct fwnode_handle *fwnode,
 680                                        const char *name)
 681{
 682        return false;
 683}
 684
 685static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
 686{
 687        return NULL;
 688}
 689
 690static inline bool has_acpi_companion(struct device *dev)
 691{
 692        return false;
 693}
 694
 695static inline void acpi_preset_companion(struct device *dev,
 696                                         struct acpi_device *parent, u64 addr)
 697{
 698}
 699
 700static inline const char *acpi_dev_name(struct acpi_device *adev)
 701{
 702        return NULL;
 703}
 704
 705static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
 706{
 707        return NULL;
 708}
 709
 710static inline void acpi_early_init(void) { }
 711static inline void acpi_subsystem_init(void) { }
 712
 713static inline int early_acpi_boot_init(void)
 714{
 715        return 0;
 716}
 717static inline int acpi_boot_init(void)
 718{
 719        return 0;
 720}
 721
 722static inline void acpi_boot_table_init(void)
 723{
 724        return;
 725}
 726
 727static inline int acpi_mps_check(void)
 728{
 729        return 0;
 730}
 731
 732static inline int acpi_check_resource_conflict(struct resource *res)
 733{
 734        return 0;
 735}
 736
 737static inline int acpi_check_region(resource_size_t start, resource_size_t n,
 738                                    const char *name)
 739{
 740        return 0;
 741}
 742
 743struct acpi_table_header;
 744static inline int acpi_table_parse(char *id,
 745                                int (*handler)(struct acpi_table_header *))
 746{
 747        return -ENODEV;
 748}
 749
 750static inline int acpi_nvs_register(__u64 start, __u64 size)
 751{
 752        return 0;
 753}
 754
 755static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
 756                                           void *data)
 757{
 758        return 0;
 759}
 760
 761struct acpi_device_id;
 762
 763static inline const struct acpi_device_id *acpi_match_device(
 764        const struct acpi_device_id *ids, const struct device *dev)
 765{
 766        return NULL;
 767}
 768
 769static inline const void *acpi_device_get_match_data(const struct device *dev)
 770{
 771        return NULL;
 772}
 773
 774static inline bool acpi_driver_match_device(struct device *dev,
 775                                            const struct device_driver *drv)
 776{
 777        return false;
 778}
 779
 780static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
 781                                                   const guid_t *guid,
 782                                                   int rev, int func,
 783                                                   union acpi_object *argv4)
 784{
 785        return NULL;
 786}
 787
 788static inline int acpi_device_uevent_modalias(struct device *dev,
 789                                struct kobj_uevent_env *env)
 790{
 791        return -ENODEV;
 792}
 793
 794static inline int acpi_device_modalias(struct device *dev,
 795                                char *buf, int size)
 796{
 797        return -ENODEV;
 798}
 799
 800static inline bool acpi_dma_supported(struct acpi_device *adev)
 801{
 802        return false;
 803}
 804
 805static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
 806{
 807        return DEV_DMA_NOT_SUPPORTED;
 808}
 809
 810static inline int acpi_dma_get_range(struct device *dev, u64 *dma_addr,
 811                                     u64 *offset, u64 *size)
 812{
 813        return -ENODEV;
 814}
 815
 816static inline int acpi_dma_configure(struct device *dev,
 817                                     enum dev_dma_attr attr)
 818{
 819        return 0;
 820}
 821
 822static inline void acpi_dma_deconfigure(struct device *dev) { }
 823
 824#define ACPI_PTR(_ptr)  (NULL)
 825
 826static inline void acpi_device_set_enumerated(struct acpi_device *adev)
 827{
 828}
 829
 830static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
 831{
 832}
 833
 834static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
 835{
 836        return -EINVAL;
 837}
 838
 839static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
 840{
 841        return -EINVAL;
 842}
 843
 844static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
 845{
 846        return NULL;
 847}
 848
 849#endif  /* !CONFIG_ACPI */
 850
 851#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
 852int acpi_ioapic_add(acpi_handle root);
 853#else
 854static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
 855#endif
 856
 857#ifdef CONFIG_ACPI
 858void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
 859                               u32 pm1a_ctrl,  u32 pm1b_ctrl));
 860
 861acpi_status acpi_os_prepare_sleep(u8 sleep_state,
 862                                  u32 pm1a_control, u32 pm1b_control);
 863
 864void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
 865                                        u32 val_a,  u32 val_b));
 866
 867acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
 868                                           u32 val_a, u32 val_b);
 869
 870#ifdef CONFIG_X86
 871void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
 872#else
 873static inline void arch_reserve_mem_area(acpi_physical_address addr,
 874                                          size_t size)
 875{
 876}
 877#endif /* CONFIG_X86 */
 878#else
 879#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
 880#endif
 881
 882#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
 883int acpi_dev_suspend(struct device *dev, bool wakeup);
 884int acpi_dev_resume(struct device *dev);
 885int acpi_subsys_runtime_suspend(struct device *dev);
 886int acpi_subsys_runtime_resume(struct device *dev);
 887int acpi_dev_pm_attach(struct device *dev, bool power_on);
 888#else
 889static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
 890static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
 891static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
 892static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
 893static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
 894{
 895        return -ENODEV;
 896}
 897#endif
 898
 899#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
 900int acpi_dev_suspend_late(struct device *dev);
 901int acpi_subsys_prepare(struct device *dev);
 902void acpi_subsys_complete(struct device *dev);
 903int acpi_subsys_suspend_late(struct device *dev);
 904int acpi_subsys_suspend_noirq(struct device *dev);
 905int acpi_subsys_resume_noirq(struct device *dev);
 906int acpi_subsys_resume_early(struct device *dev);
 907int acpi_subsys_suspend(struct device *dev);
 908int acpi_subsys_freeze(struct device *dev);
 909int acpi_subsys_freeze_late(struct device *dev);
 910int acpi_subsys_freeze_noirq(struct device *dev);
 911int acpi_subsys_thaw_noirq(struct device *dev);
 912#else
 913static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
 914static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
 915static inline void acpi_subsys_complete(struct device *dev) {}
 916static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
 917static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; }
 918static inline int acpi_subsys_resume_noirq(struct device *dev) { return 0; }
 919static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
 920static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
 921static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
 922static inline int acpi_subsys_freeze_late(struct device *dev) { return 0; }
 923static inline int acpi_subsys_freeze_noirq(struct device *dev) { return 0; }
 924static inline int acpi_subsys_thaw_noirq(struct device *dev) { return 0; }
 925#endif
 926
 927#ifdef CONFIG_ACPI
 928__printf(3, 4)
 929void acpi_handle_printk(const char *level, acpi_handle handle,
 930                        const char *fmt, ...);
 931#else   /* !CONFIG_ACPI */
 932static inline __printf(3, 4) void
 933acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
 934#endif  /* !CONFIG_ACPI */
 935
 936#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
 937__printf(3, 4)
 938void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
 939#else
 940#define __acpi_handle_debug(descriptor, handle, fmt, ...)               \
 941        acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
 942#endif
 943
 944/*
 945 * acpi_handle_<level>: Print message with ACPI prefix and object path
 946 *
 947 * These interfaces acquire the global namespace mutex to obtain an object
 948 * path.  In interrupt context, it shows the object path as <n/a>.
 949 */
 950#define acpi_handle_emerg(handle, fmt, ...)                             \
 951        acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
 952#define acpi_handle_alert(handle, fmt, ...)                             \
 953        acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
 954#define acpi_handle_crit(handle, fmt, ...)                              \
 955        acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
 956#define acpi_handle_err(handle, fmt, ...)                               \
 957        acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
 958#define acpi_handle_warn(handle, fmt, ...)                              \
 959        acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
 960#define acpi_handle_notice(handle, fmt, ...)                            \
 961        acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
 962#define acpi_handle_info(handle, fmt, ...)                              \
 963        acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
 964
 965#if defined(DEBUG)
 966#define acpi_handle_debug(handle, fmt, ...)                             \
 967        acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
 968#else
 969#if defined(CONFIG_DYNAMIC_DEBUG)
 970#define acpi_handle_debug(handle, fmt, ...)                             \
 971do {                                                                    \
 972        DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt);                 \
 973        if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT))          \
 974                __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt),   \
 975                                ##__VA_ARGS__);                         \
 976} while (0)
 977#else
 978#define acpi_handle_debug(handle, fmt, ...)                             \
 979({                                                                      \
 980        if (0)                                                          \
 981                acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
 982        0;                                                              \
 983})
 984#endif
 985#endif
 986
 987struct acpi_gpio_params {
 988        unsigned int crs_entry_index;
 989        unsigned int line_index;
 990        bool active_low;
 991};
 992
 993struct acpi_gpio_mapping {
 994        const char *name;
 995        const struct acpi_gpio_params *data;
 996        unsigned int size;
 997
 998/* Ignore IoRestriction field */
 999#define ACPI_GPIO_QUIRK_NO_IO_RESTRICTION       BIT(0)
1000
1001        unsigned int quirks;
1002};
1003
1004#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
1005int acpi_dev_add_driver_gpios(struct acpi_device *adev,
1006                              const struct acpi_gpio_mapping *gpios);
1007
1008static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
1009{
1010        if (adev)
1011                adev->driver_gpios = NULL;
1012}
1013
1014int devm_acpi_dev_add_driver_gpios(struct device *dev,
1015                                   const struct acpi_gpio_mapping *gpios);
1016void devm_acpi_dev_remove_driver_gpios(struct device *dev);
1017
1018bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1019                                struct acpi_resource_gpio **agpio);
1020int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
1021#else
1022static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
1023                              const struct acpi_gpio_mapping *gpios)
1024{
1025        return -ENXIO;
1026}
1027static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {}
1028
1029static inline int devm_acpi_dev_add_driver_gpios(struct device *dev,
1030                              const struct acpi_gpio_mapping *gpios)
1031{
1032        return -ENXIO;
1033}
1034static inline void devm_acpi_dev_remove_driver_gpios(struct device *dev) {}
1035
1036static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1037                                              struct acpi_resource_gpio **agpio)
1038{
1039        return false;
1040}
1041static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
1042{
1043        return -ENXIO;
1044}
1045#endif
1046
1047/* Device properties */
1048
1049#define MAX_ACPI_REFERENCE_ARGS 8
1050struct acpi_reference_args {
1051        struct acpi_device *adev;
1052        size_t nargs;
1053        u64 args[MAX_ACPI_REFERENCE_ARGS];
1054};
1055
1056#ifdef CONFIG_ACPI
1057int acpi_dev_get_property(const struct acpi_device *adev, const char *name,
1058                          acpi_object_type type, const union acpi_object **obj);
1059int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1060                                const char *name, size_t index, size_t num_args,
1061                                struct acpi_reference_args *args);
1062
1063static inline int acpi_node_get_property_reference(
1064                                const struct fwnode_handle *fwnode,
1065                                const char *name, size_t index,
1066                                struct acpi_reference_args *args)
1067{
1068        return __acpi_node_get_property_reference(fwnode, name, index,
1069                MAX_ACPI_REFERENCE_ARGS, args);
1070}
1071
1072int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
1073                       void **valptr);
1074int acpi_dev_prop_read_single(struct acpi_device *adev,
1075                              const char *propname, enum dev_prop_type proptype,
1076                              void *val);
1077int acpi_node_prop_read(const struct fwnode_handle *fwnode,
1078                        const char *propname, enum dev_prop_type proptype,
1079                        void *val, size_t nval);
1080int acpi_dev_prop_read(const struct acpi_device *adev, const char *propname,
1081                       enum dev_prop_type proptype, void *val, size_t nval);
1082
1083struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1084                                            struct fwnode_handle *child);
1085struct fwnode_handle *acpi_node_get_parent(const struct fwnode_handle *fwnode);
1086
1087struct fwnode_handle *
1088acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1089                             struct fwnode_handle *prev);
1090int acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1091                                   struct fwnode_handle **remote,
1092                                   struct fwnode_handle **port,
1093                                   struct fwnode_handle **endpoint);
1094
1095struct acpi_probe_entry;
1096typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1097                                                 struct acpi_probe_entry *);
1098
1099#define ACPI_TABLE_ID_LEN       5
1100
1101/**
1102 * struct acpi_probe_entry - boot-time probing entry
1103 * @id:                 ACPI table name
1104 * @type:               Optional subtable type to match
1105 *                      (if @id contains subtables)
1106 * @subtable_valid:     Optional callback to check the validity of
1107 *                      the subtable
1108 * @probe_table:        Callback to the driver being probed when table
1109 *                      match is successful
1110 * @probe_subtbl:       Callback to the driver being probed when table and
1111 *                      subtable match (and optional callback is successful)
1112 * @driver_data:        Sideband data provided back to the driver
1113 */
1114struct acpi_probe_entry {
1115        __u8 id[ACPI_TABLE_ID_LEN];
1116        __u8 type;
1117        acpi_probe_entry_validate_subtbl subtable_valid;
1118        union {
1119                acpi_tbl_table_handler probe_table;
1120                acpi_tbl_entry_handler probe_subtbl;
1121        };
1122        kernel_ulong_t driver_data;
1123};
1124
1125#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn)      \
1126        static const struct acpi_probe_entry __acpi_probe_##name        \
1127                __used __section(__##table##_acpi_probe_table)          \
1128                 = {                                                    \
1129                        .id = table_id,                                 \
1130                        .type = subtable,                               \
1131                        .subtable_valid = valid,                        \
1132                        .probe_table = (acpi_tbl_table_handler)fn,      \
1133                        .driver_data = data,                            \
1134                   }
1135
1136#define ACPI_PROBE_TABLE(name)          __##name##_acpi_probe_table
1137#define ACPI_PROBE_TABLE_END(name)      __##name##_acpi_probe_table_end
1138
1139int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1140
1141#define acpi_probe_device_table(t)                                      \
1142        ({                                                              \
1143                extern struct acpi_probe_entry ACPI_PROBE_TABLE(t),     \
1144                                               ACPI_PROBE_TABLE_END(t); \
1145                __acpi_probe_device_table(&ACPI_PROBE_TABLE(t),         \
1146                                          (&ACPI_PROBE_TABLE_END(t) -   \
1147                                           &ACPI_PROBE_TABLE(t)));      \
1148        })
1149#else
1150static inline int acpi_dev_get_property(struct acpi_device *adev,
1151                                        const char *name, acpi_object_type type,
1152                                        const union acpi_object **obj)
1153{
1154        return -ENXIO;
1155}
1156
1157static inline int
1158__acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1159                                const char *name, size_t index, size_t num_args,
1160                                struct acpi_reference_args *args)
1161{
1162        return -ENXIO;
1163}
1164
1165static inline int
1166acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1167                                 const char *name, size_t index,
1168                                 struct acpi_reference_args *args)
1169{
1170        return -ENXIO;
1171}
1172
1173static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
1174                                     const char *propname,
1175                                     void **valptr)
1176{
1177        return -ENXIO;
1178}
1179
1180static inline int acpi_dev_prop_get(const struct acpi_device *adev,
1181                                    const char *propname,
1182                                    void **valptr)
1183{
1184        return -ENXIO;
1185}
1186
1187static inline int acpi_dev_prop_read_single(const struct acpi_device *adev,
1188                                            const char *propname,
1189                                            enum dev_prop_type proptype,
1190                                            void *val)
1191{
1192        return -ENXIO;
1193}
1194
1195static inline int acpi_node_prop_read(const struct fwnode_handle *fwnode,
1196                                      const char *propname,
1197                                      enum dev_prop_type proptype,
1198                                      void *val, size_t nval)
1199{
1200        return -ENXIO;
1201}
1202
1203static inline int acpi_dev_prop_read(const struct acpi_device *adev,
1204                                     const char *propname,
1205                                     enum dev_prop_type proptype,
1206                                     void *val, size_t nval)
1207{
1208        return -ENXIO;
1209}
1210
1211static inline struct fwnode_handle *
1212acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1213                      struct fwnode_handle *child)
1214{
1215        return NULL;
1216}
1217
1218static inline struct fwnode_handle *
1219acpi_node_get_parent(const struct fwnode_handle *fwnode)
1220{
1221        return NULL;
1222}
1223
1224static inline struct fwnode_handle *
1225acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1226                             struct fwnode_handle *prev)
1227{
1228        return ERR_PTR(-ENXIO);
1229}
1230
1231static inline int
1232acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1233                               struct fwnode_handle **remote,
1234                               struct fwnode_handle **port,
1235                               struct fwnode_handle **endpoint)
1236{
1237        return -ENXIO;
1238}
1239
1240#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1241        static const void * __acpi_table_##name[]                       \
1242                __attribute__((unused))                                 \
1243                 = { (void *) table_id,                                 \
1244                     (void *) subtable,                                 \
1245                     (void *) valid,                                    \
1246                     (void *) fn,                                       \
1247                     (void *) data }
1248
1249#define acpi_probe_device_table(t)      ({ int __r = 0; __r;})
1250#endif
1251
1252#ifdef CONFIG_ACPI_TABLE_UPGRADE
1253void acpi_table_upgrade(void);
1254#else
1255static inline void acpi_table_upgrade(void) { }
1256#endif
1257
1258#if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1259extern bool acpi_has_watchdog(void);
1260#else
1261static inline bool acpi_has_watchdog(void) { return false; }
1262#endif
1263
1264#ifdef CONFIG_ACPI_SPCR_TABLE
1265extern bool qdf2400_e44_present;
1266int acpi_parse_spcr(bool enable_earlycon, bool enable_console);
1267#else
1268static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console)
1269{
1270        return 0;
1271}
1272#endif
1273
1274#if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1275int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1276#else
1277static inline
1278int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1279{
1280        return -EINVAL;
1281}
1282#endif
1283
1284#ifdef CONFIG_ACPI_LPIT
1285int lpit_read_residency_count_address(u64 *address);
1286#else
1287static inline int lpit_read_residency_count_address(u64 *address)
1288{
1289        return -EINVAL;
1290}
1291#endif
1292
1293#endif  /*_LINUX_ACPI_H*/
1294