include/linux/acpi.h

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