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  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  *
  22  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  23  */
  24
  25 #ifndef _LINUX_ACPI_H
  26 #define _LINUX_ACPI_H
  27
  28 #include <linux/errno.h>
  29 #include <linux/ioport.h>       /* for struct resource */
  30 #include <linux/resource_ext.h>
  31 #include <linux/device.h>
  32 #include <linux/property.h>
  33
  34 #ifndef _LINUX
  35 #define _LINUX
  36 #endif
  37 #include <acpi/acpi.h>
  38
  39 #ifdef  CONFIG_ACPI
  40
  41 #include <linux/list.h>
  42 #include <linux/mod_devicetable.h>
  43 #include <linux/dynamic_debug.h>
  44
  45 #include <acpi/acpi_bus.h>
  46 #include <acpi/acpi_drivers.h>
  47 #include <acpi/acpi_numa.h>
  48 #include <acpi/acpi_io.h>
  49 #include <asm/acpi.h>
  50
  51 static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
  52 {
  53         return adev ? adev->handle : NULL;
  54 }
  55
  56 #define ACPI_COMPANION(dev)             to_acpi_node((dev)->fwnode)
  57 #define ACPI_COMPANION_SET(dev, adev)   set_primary_fwnode(dev, (adev) ? \
  58         acpi_fwnode_handle(adev) : NULL)
  59 #define ACPI_HANDLE(dev)                acpi_device_handle(ACPI_COMPANION(dev))
  60
  61 /**
  62  * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with
  63  * the PCI-defined class-code information
  64  *
  65  * @_cls : the class, subclass, prog-if triple for this device
  66  * @_msk : the class mask for this device
  67  *
  68  * This macro is used to create a struct acpi_device_id that matches a
  69  * specific PCI class. The .id and .driver_data fields will be left
  70  * initialized with the default value.
  71  */
  72 #define ACPI_DEVICE_CLASS(_cls, _msk)   .cls = (_cls), .cls_msk = (_msk),
  73
  74 static inline bool has_acpi_companion(struct device *dev)
  75 {
  76         return is_acpi_node(dev->fwnode);
  77 }
  78
  79 static inline void acpi_preset_companion(struct device *dev,
  80                                          struct acpi_device *parent, u64 addr)
  81 {
  82         ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL));
  83 }
  84
  85 static inline const char *acpi_dev_name(struct acpi_device *adev)
  86 {
  87         return dev_name(&adev->dev);
  88 }
  89
  90 enum acpi_irq_model_id {
  91         ACPI_IRQ_MODEL_PIC = 0,
  92         ACPI_IRQ_MODEL_IOAPIC,
  93         ACPI_IRQ_MODEL_IOSAPIC,
  94         ACPI_IRQ_MODEL_PLATFORM,
  95         ACPI_IRQ_MODEL_GIC,
  96         ACPI_IRQ_MODEL_COUNT
  97 };
  98
  99 extern enum acpi_irq_model_id   acpi_irq_model;
 100
 101 enum acpi_interrupt_id {
 102         ACPI_INTERRUPT_PMI      = 1,
 103         ACPI_INTERRUPT_INIT,
 104         ACPI_INTERRUPT_CPEI,
 105         ACPI_INTERRUPT_COUNT
 106 };
 107
 108 #define ACPI_SPACE_MEM          0
 109
 110 enum acpi_address_range_id {
 111         ACPI_ADDRESS_RANGE_MEMORY = 1,
 112         ACPI_ADDRESS_RANGE_RESERVED = 2,
 113         ACPI_ADDRESS_RANGE_ACPI = 3,
 114         ACPI_ADDRESS_RANGE_NVS  = 4,
 115         ACPI_ADDRESS_RANGE_COUNT
 116 };
 117
 118
 119 /* Table Handlers */
 120
 121 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
 122
 123 typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
 124                                       const unsigned long end);
 125
 126 #ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
 127 void acpi_initrd_override(void *data, size_t size);
 128 #else
 129 static inline void acpi_initrd_override(void *data, size_t size)
 130 {
 131 }
 132 #endif
 133
 134 #define BAD_MADT_ENTRY(entry, end) (                                        \
 135                 (!entry) || (unsigned long)entry + sizeof(*entry) > end ||  \
 136                 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
 137
 138 char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
 139 void __acpi_unmap_table(char *map, unsigned long size);
 140 int early_acpi_boot_init(void);
 141 int acpi_boot_init (void);
 142 void acpi_boot_table_init (void);
 143 int acpi_mps_check (void);
 144 int acpi_numa_init (void);
 145
 146 int acpi_table_init (void);
 147 int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
 148 int __init acpi_parse_entries(char *id, unsigned long table_size,
 149                               acpi_tbl_entry_handler handler,
 150                               struct acpi_table_header *table_header,
 151                               int entry_id, unsigned int max_entries);
 152 int __init acpi_table_parse_entries(char *id, unsigned long table_size,
 153                                     int entry_id,
 154                                     acpi_tbl_entry_handler handler,
 155                                     unsigned int max_entries);
 156 int acpi_table_parse_madt(enum acpi_madt_type id,
 157                           acpi_tbl_entry_handler handler,
 158                           unsigned int max_entries);
 159 int acpi_parse_mcfg (struct acpi_table_header *header);
 160 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
 161
 162 /* the following four functions are architecture-dependent */
 163 void acpi_numa_slit_init (struct acpi_table_slit *slit);
 164 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
 165 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
 166 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
 167 void acpi_numa_arch_fixup(void);
 168
 169 #ifndef PHYS_CPUID_INVALID
 170 typedef u32 phys_cpuid_t;
 171 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
 172 #endif
 173
 174 static inline bool invalid_logical_cpuid(u32 cpuid)
 175 {
 176         return (int)cpuid < 0;
 177 }
 178
 179 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
 180 {
 181         return phys_id == PHYS_CPUID_INVALID;
 182 }
 183
 184 #ifdef CONFIG_ACPI_HOTPLUG_CPU
 185 /* Arch dependent functions for cpu hotplug support */
 186 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, int *pcpu);
 187 int acpi_unmap_cpu(int cpu);
 188 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
 189
 190 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
 191 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
 192 #endif
 193
 194 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
 195 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
 196 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
 197 void acpi_irq_stats_init(void);
 198 extern u32 acpi_irq_handled;
 199 extern u32 acpi_irq_not_handled;
 200
 201 extern int sbf_port;
 202 extern unsigned long acpi_realmode_flags;
 203
 204 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
 205 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
 206 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
 207
 208 #ifdef CONFIG_X86_IO_APIC
 209 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
 210 #else
 211 #define acpi_get_override_irq(gsi, trigger, polarity) (-1)
 212 #endif
 213 /*
 214  * This function undoes the effect of one call to acpi_register_gsi().
 215  * If this matches the last registration, any IRQ resources for gsi
 216  * are freed.
 217  */
 218 void acpi_unregister_gsi (u32 gsi);
 219
 220 struct pci_dev;
 221
 222 int acpi_pci_irq_enable (struct pci_dev *dev);
 223 void acpi_penalize_isa_irq(int irq, int active);
 224
 225 void acpi_pci_irq_disable (struct pci_dev *dev);
 226
 227 extern int ec_read(u8 addr, u8 *val);
 228 extern int ec_write(u8 addr, u8 val);
 229 extern int ec_transaction(u8 command,
 230                           const u8 *wdata, unsigned wdata_len,
 231                           u8 *rdata, unsigned rdata_len);
 232 extern acpi_handle ec_get_handle(void);
 233
 234 extern bool acpi_is_pnp_device(struct acpi_device *);
 235
 236 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
 237
 238 typedef void (*wmi_notify_handler) (u32 value, void *context);
 239
 240 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
 241                                         u32 method_id,
 242                                         const struct acpi_buffer *in,
 243                                         struct acpi_buffer *out);
 244 extern acpi_status wmi_query_block(const char *guid, u8 instance,
 245                                         struct acpi_buffer *out);
 246 extern acpi_status wmi_set_block(const char *guid, u8 instance,
 247                                         const struct acpi_buffer *in);
 248 extern acpi_status wmi_install_notify_handler(const char *guid,
 249                                         wmi_notify_handler handler, void *data);
 250 extern acpi_status wmi_remove_notify_handler(const char *guid);
 251 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
 252 extern bool wmi_has_guid(const char *guid);
 253
 254 #endif  /* CONFIG_ACPI_WMI */
 255
 256 #define ACPI_VIDEO_OUTPUT_SWITCHING                     0x0001
 257 #define ACPI_VIDEO_DEVICE_POSTING                       0x0002
 258 #define ACPI_VIDEO_ROM_AVAILABLE                        0x0004
 259 #define ACPI_VIDEO_BACKLIGHT                            0x0008
 260 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR               0x0010
 261 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO                0x0020
 262 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR        0x0040
 263 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO         0x0080
 264 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR                 0x0100
 265 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO                  0x0200
 266 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR          0x0400
 267 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO           0x0800
 268
 269 extern char acpi_video_backlight_string[];
 270 extern long acpi_is_video_device(acpi_handle handle);
 271 extern int acpi_blacklisted(void);
 272 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
 273 extern void acpi_osi_setup(char *str);
 274 extern bool acpi_osi_is_win8(void);
 275
 276 #ifdef CONFIG_ACPI_NUMA
 277 int acpi_map_pxm_to_online_node(int pxm);
 278 int acpi_get_node(acpi_handle handle);
 279 #else
 280 static inline int acpi_map_pxm_to_online_node(int pxm)
 281 {
 282         return 0;
 283 }
 284 static inline int acpi_get_node(acpi_handle handle)
 285 {
 286         return 0;
 287 }
 288 #endif
 289 extern int acpi_paddr_to_node(u64 start_addr, u64 size);
 290
 291 extern int pnpacpi_disabled;
 292
 293 #define PXM_INVAL       (-1)
 294
 295 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
 296 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
 297 bool acpi_dev_resource_address_space(struct acpi_resource *ares,
 298                                      struct resource_win *win);
 299 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
 300                                          struct resource_win *win);
 301 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
 302 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
 303                                  struct resource *res);
 304
 305 void acpi_dev_free_resource_list(struct list_head *list);
 306 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
 307                            int (*preproc)(struct acpi_resource *, void *),
 308                            void *preproc_data);
 309 int acpi_dev_filter_resource_type(struct acpi_resource *ares,
 310                                   unsigned long types);
 311
 312 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
 313                                                    void *arg)
 314 {
 315         return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
 316 }
 317
 318 int acpi_check_resource_conflict(const struct resource *res);
 319
 320 int acpi_check_region(resource_size_t start, resource_size_t n,
 321                       const char *name);
 322
 323 int acpi_resources_are_enforced(void);
 324
 325 #ifdef CONFIG_HIBERNATION
 326 void __init acpi_no_s4_hw_signature(void);
 327 #endif
 328
 329 #ifdef CONFIG_PM_SLEEP
 330 void __init acpi_old_suspend_ordering(void);
 331 void __init acpi_nvs_nosave(void);
 332 void __init acpi_nvs_nosave_s3(void);
 333 #endif /* CONFIG_PM_SLEEP */
 334
 335 struct acpi_osc_context {
 336         char *uuid_str;                 /* UUID string */
 337         int rev;
 338         struct acpi_buffer cap;         /* list of DWORD capabilities */
 339         struct acpi_buffer ret;         /* free by caller if success */
 340 };
 341
 342 acpi_status acpi_str_to_uuid(char *str, u8 *uuid);
 343 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
 344
 345 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
 346 #define OSC_QUERY_DWORD                         0       /* DWORD 1 */
 347 #define OSC_SUPPORT_DWORD                       1       /* DWORD 2 */
 348 #define OSC_CONTROL_DWORD                       2       /* DWORD 3 */
 349
 350 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
 351 #define OSC_QUERY_ENABLE                        0x00000001  /* input */
 352 #define OSC_REQUEST_ERROR                       0x00000002  /* return */
 353 #define OSC_INVALID_UUID_ERROR                  0x00000004  /* return */
 354 #define OSC_INVALID_REVISION_ERROR              0x00000008  /* return */
 355 #define OSC_CAPABILITIES_MASK_ERROR             0x00000010  /* return */
 356
 357 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
 358 #define OSC_SB_PAD_SUPPORT                      0x00000001
 359 #define OSC_SB_PPC_OST_SUPPORT                  0x00000002
 360 #define OSC_SB_PR3_SUPPORT                      0x00000004
 361 #define OSC_SB_HOTPLUG_OST_SUPPORT              0x00000008
 362 #define OSC_SB_APEI_SUPPORT                     0x00000010
 363 #define OSC_SB_CPC_SUPPORT                      0x00000020
 364
 365 extern bool osc_sb_apei_support_acked;
 366
 367 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
 368 #define OSC_PCI_EXT_CONFIG_SUPPORT              0x00000001
 369 #define OSC_PCI_ASPM_SUPPORT                    0x00000002
 370 #define OSC_PCI_CLOCK_PM_SUPPORT                0x00000004
 371 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT          0x00000008
 372 #define OSC_PCI_MSI_SUPPORT                     0x00000010
 373 #define OSC_PCI_SUPPORT_MASKS                   0x0000001f
 374
 375 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
 376 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL       0x00000001
 377 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL          0x00000002
 378 #define OSC_PCI_EXPRESS_PME_CONTROL             0x00000004
 379 #define OSC_PCI_EXPRESS_AER_CONTROL             0x00000008
 380 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL      0x00000010
 381 #define OSC_PCI_CONTROL_MASKS                   0x0000001f
 382
 383 #define ACPI_GSB_ACCESS_ATTRIB_QUICK            0x00000002
 384 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV         0x00000004
 385 #define ACPI_GSB_ACCESS_ATTRIB_BYTE             0x00000006
 386 #define ACPI_GSB_ACCESS_ATTRIB_WORD             0x00000008
 387 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK            0x0000000A
 388 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE        0x0000000B
 389 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL        0x0000000C
 390 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL       0x0000000D
 391 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES        0x0000000E
 392 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS      0x0000000F
 393
 394 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
 395                                              u32 *mask, u32 req);
 396
 397 /* Enable _OST when all relevant hotplug operations are enabled */
 398 #if defined(CONFIG_ACPI_HOTPLUG_CPU) &&                 \
 399         defined(CONFIG_ACPI_HOTPLUG_MEMORY) &&          \
 400         defined(CONFIG_ACPI_CONTAINER)
 401 #define ACPI_HOTPLUG_OST
 402 #endif
 403
 404 /* _OST Source Event Code (OSPM Action) */
 405 #define ACPI_OST_EC_OSPM_SHUTDOWN               0x100
 406 #define ACPI_OST_EC_OSPM_EJECT                  0x103
 407 #define ACPI_OST_EC_OSPM_INSERTION              0x200
 408
 409 /* _OST General Processing Status Code */
 410 #define ACPI_OST_SC_SUCCESS                     0x0
 411 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE        0x1
 412 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY         0x2
 413
 414 /* _OST OS Shutdown Processing (0x100) Status Code */
 415 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED          0x80
 416 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS     0x81
 417 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED       0x82
 418 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED   0x83
 419
 420 /* _OST Ejection Request (0x3, 0x103) Status Code */
 421 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED         0x80
 422 #define ACPI_OST_SC_DEVICE_IN_USE               0x81
 423 #define ACPI_OST_SC_DEVICE_BUSY                 0x82
 424 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY       0x83
 425 #define ACPI_OST_SC_EJECT_IN_PROGRESS           0x84
 426
 427 /* _OST Insertion Request (0x200) Status Code */
 428 #define ACPI_OST_SC_INSERT_IN_PROGRESS          0x80
 429 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE         0x81
 430 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED        0x82
 431
 432 extern void acpi_early_init(void);
 433 extern void acpi_subsystem_init(void);
 434
 435 extern int acpi_nvs_register(__u64 start, __u64 size);
 436
 437 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
 438                                     void *data);
 439
 440 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
 441                                                const struct device *dev);
 442
 443 extern bool acpi_driver_match_device(struct device *dev,
 444                                      const struct device_driver *drv);
 445 int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
 446 int acpi_device_modalias(struct device *, char *, int);
 447 void acpi_walk_dep_device_list(acpi_handle handle);
 448
 449 struct platform_device *acpi_create_platform_device(struct acpi_device *);
 450 #define ACPI_PTR(_ptr)  (_ptr)
 451
 452 #else   /* !CONFIG_ACPI */
 453
 454 #define acpi_disabled 1
 455
 456 #define ACPI_COMPANION(dev)             (NULL)
 457 #define ACPI_COMPANION_SET(dev, adev)   do { } while (0)
 458 #define ACPI_HANDLE(dev)                (NULL)
 459 #define ACPI_DEVICE_CLASS(_cls, _msk)   .cls = (0), .cls_msk = (0),
 460
 461 struct fwnode_handle;
 462
 463 static inline bool is_acpi_node(struct fwnode_handle *fwnode)
 464 {
 465         return false;
 466 }
 467
 468 static inline struct acpi_device *to_acpi_node(struct fwnode_handle *fwnode)
 469 {
 470         return NULL;
 471 }
 472
 473 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
 474 {
 475         return NULL;
 476 }
 477
 478 static inline bool has_acpi_companion(struct device *dev)
 479 {
 480         return false;
 481 }
 482
 483 static inline const char *acpi_dev_name(struct acpi_device *adev)
 484 {
 485         return NULL;
 486 }
 487
 488 static inline void acpi_early_init(void) { }
 489 static inline void acpi_subsystem_init(void) { }
 490
 491 static inline int early_acpi_boot_init(void)
 492 {
 493         return 0;
 494 }
 495 static inline int acpi_boot_init(void)
 496 {
 497         return 0;
 498 }
 499
 500 static inline void acpi_boot_table_init(void)
 501 {
 502         return;
 503 }
 504
 505 static inline int acpi_mps_check(void)
 506 {
 507         return 0;
 508 }
 509
 510 static inline int acpi_check_resource_conflict(struct resource *res)
 511 {
 512         return 0;
 513 }
 514
 515 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
 516                                     const char *name)
 517 {
 518         return 0;
 519 }
 520
 521 struct acpi_table_header;
 522 static inline int acpi_table_parse(char *id,
 523                                 int (*handler)(struct acpi_table_header *))
 524 {
 525         return -ENODEV;
 526 }
 527
 528 static inline int acpi_nvs_register(__u64 start, __u64 size)
 529 {
 530         return 0;
 531 }
 532
 533 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
 534                                            void *data)
 535 {
 536         return 0;
 537 }
 538
 539 struct acpi_device_id;
 540
 541 static inline const struct acpi_device_id *acpi_match_device(
 542         const struct acpi_device_id *ids, const struct device *dev)
 543 {
 544         return NULL;
 545 }
 546
 547 static inline bool acpi_driver_match_device(struct device *dev,
 548                                             const struct device_driver *drv)
 549 {
 550         return false;
 551 }
 552
 553 static inline int acpi_device_uevent_modalias(struct device *dev,
 554                                 struct kobj_uevent_env *env)
 555 {
 556         return -ENODEV;
 557 }
 558
 559 static inline int acpi_device_modalias(struct device *dev,
 560                                 char *buf, int size)
 561 {
 562         return -ENODEV;
 563 }
 564
 565 static inline bool acpi_check_dma(struct acpi_device *adev, bool *coherent)
 566 {
 567         return false;
 568 }
 569
 570 #define ACPI_PTR(_ptr)  (NULL)
 571
 572 #endif  /* !CONFIG_ACPI */
 573
 574 #ifdef CONFIG_ACPI
 575 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
 576                                u32 pm1a_ctrl,  u32 pm1b_ctrl));
 577
 578 acpi_status acpi_os_prepare_sleep(u8 sleep_state,
 579                                   u32 pm1a_control, u32 pm1b_control);
 580
 581 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
 582                                         u32 val_a,  u32 val_b));
 583
 584 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
 585                                            u32 val_a, u32 val_b);
 586
 587 #ifdef CONFIG_X86
 588 void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
 589 #else
 590 static inline void arch_reserve_mem_area(acpi_physical_address addr,
 591                                           size_t size)
 592 {
 593 }
 594 #endif /* CONFIG_X86 */
 595 #else
 596 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
 597 #endif
 598
 599 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
 600 int acpi_dev_runtime_suspend(struct device *dev);
 601 int acpi_dev_runtime_resume(struct device *dev);
 602 int acpi_subsys_runtime_suspend(struct device *dev);
 603 int acpi_subsys_runtime_resume(struct device *dev);
 604 struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
 605 int acpi_dev_pm_attach(struct device *dev, bool power_on);
 606 #else
 607 static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
 608 static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
 609 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
 610 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
 611 static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
 612 {
 613         return NULL;
 614 }
 615 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
 616 {
 617         return -ENODEV;
 618 }
 619 #endif
 620
 621 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
 622 int acpi_dev_suspend_late(struct device *dev);
 623 int acpi_dev_resume_early(struct device *dev);
 624 int acpi_subsys_prepare(struct device *dev);
 625 void acpi_subsys_complete(struct device *dev);
 626 int acpi_subsys_suspend_late(struct device *dev);
 627 int acpi_subsys_resume_early(struct device *dev);
 628 int acpi_subsys_suspend(struct device *dev);
 629 int acpi_subsys_freeze(struct device *dev);
 630 #else
 631 static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
 632 static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
 633 static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
 634 static inline void acpi_subsys_complete(struct device *dev) {}
 635 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
 636 static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
 637 static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
 638 static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
 639 #endif
 640
 641 #ifdef CONFIG_ACPI
 642 __printf(3, 4)
 643 void acpi_handle_printk(const char *level, acpi_handle handle,
 644                         const char *fmt, ...);
 645 #else   /* !CONFIG_ACPI */
 646 static inline __printf(3, 4) void
 647 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
 648 #endif  /* !CONFIG_ACPI */
 649
 650 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
 651 __printf(3, 4)
 652 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
 653 #else
 654 #define __acpi_handle_debug(descriptor, handle, fmt, ...)               \
 655         acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
 656 #endif
 657
 658 /*
 659  * acpi_handle_<level>: Print message with ACPI prefix and object path
 660  *
 661  * These interfaces acquire the global namespace mutex to obtain an object
 662  * path.  In interrupt context, it shows the object path as <n/a>.
 663  */
 664 #define acpi_handle_emerg(handle, fmt, ...)                             \
 665         acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
 666 #define acpi_handle_alert(handle, fmt, ...)                             \
 667         acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
 668 #define acpi_handle_crit(handle, fmt, ...)                              \
 669         acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
 670 #define acpi_handle_err(handle, fmt, ...)                               \
 671         acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
 672 #define acpi_handle_warn(handle, fmt, ...)                              \
 673         acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
 674 #define acpi_handle_notice(handle, fmt, ...)                            \
 675         acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
 676 #define acpi_handle_info(handle, fmt, ...)                              \
 677         acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
 678
 679 #if defined(DEBUG)
 680 #define acpi_handle_debug(handle, fmt, ...)                             \
 681         acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
 682 #else
 683 #if defined(CONFIG_DYNAMIC_DEBUG)
 684 #define acpi_handle_debug(handle, fmt, ...)                             \
 685 do {                                                                    \
 686         DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt);                 \
 687         if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT))          \
 688                 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt),   \
 689                                 ##__VA_ARGS__);                         \
 690 } while (0)
 691 #else
 692 #define acpi_handle_debug(handle, fmt, ...)                             \
 693 ({                                                                      \
 694         if (0)                                                          \
 695                 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
 696         0;                                                              \
 697 })
 698 #endif
 699 #endif
 700
 701 struct acpi_gpio_params {
 702         unsigned int crs_entry_index;
 703         unsigned int line_index;
 704         bool active_low;
 705 };
 706
 707 struct acpi_gpio_mapping {
 708         const char *name;
 709         const struct acpi_gpio_params *data;
 710         unsigned int size;
 711 };
 712
 713 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
 714 int acpi_dev_add_driver_gpios(struct acpi_device *adev,
 715                               const struct acpi_gpio_mapping *gpios);
 716
 717 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
 718 {
 719         if (adev)
 720                 adev->driver_gpios = NULL;
 721 }
 722
 723 int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
 724 #else
 725 static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
 726                               const struct acpi_gpio_mapping *gpios)
 727 {
 728         return -ENXIO;
 729 }
 730 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {}
 731
 732 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
 733 {
 734         return -ENXIO;
 735 }
 736 #endif
 737
 738 /* Device properties */
 739
 740 #define MAX_ACPI_REFERENCE_ARGS 8
 741 struct acpi_reference_args {
 742         struct acpi_device *adev;
 743         size_t nargs;
 744         u64 args[MAX_ACPI_REFERENCE_ARGS];
 745 };
 746
 747 #ifdef CONFIG_ACPI
 748 int acpi_dev_get_property(struct acpi_device *adev, const char *name,
 749                           acpi_object_type type, const union acpi_object **obj);
 750 int acpi_dev_get_property_array(struct acpi_device *adev, const char *name,
 751                                 acpi_object_type type,
 752                                 const union acpi_object **obj);
 753 int acpi_dev_get_property_reference(struct acpi_device *adev,
 754                                     const char *name, size_t index,
 755                                     struct acpi_reference_args *args);
 756
 757 int acpi_dev_prop_get(struct acpi_device *adev, const char *propname,
 758                       void **valptr);
 759 int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
 760                               enum dev_prop_type proptype, void *val);
 761 int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
 762                        enum dev_prop_type proptype, void *val, size_t nval);
 763
 764 struct acpi_device *acpi_get_next_child(struct device *dev,
 765                                         struct acpi_device *child);
 766 #else
 767 static inline int acpi_dev_get_property(struct acpi_device *adev,
 768                                         const char *name, acpi_object_type type,
 769                                         const union acpi_object **obj)
 770 {
 771         return -ENXIO;
 772 }
 773 static inline int acpi_dev_get_property_array(struct acpi_device *adev,
 774                                               const char *name,
 775                                               acpi_object_type type,
 776                                               const union acpi_object **obj)
 777 {
 778         return -ENXIO;
 779 }
 780 static inline int acpi_dev_get_property_reference(struct acpi_device *adev,
 781                                 const char *name, const char *cells_name,
 782                                 size_t index, struct acpi_reference_args *args)
 783 {
 784         return -ENXIO;
 785 }
 786
 787 static inline int acpi_dev_prop_get(struct acpi_device *adev,
 788                                     const char *propname,
 789                                     void **valptr)
 790 {
 791         return -ENXIO;
 792 }
 793
 794 static inline int acpi_dev_prop_read_single(struct acpi_device *adev,
 795                                             const char *propname,
 796                                             enum dev_prop_type proptype,
 797                                             void *val)
 798 {
 799         return -ENXIO;
 800 }
 801
 802 static inline int acpi_dev_prop_read(struct acpi_device *adev,
 803                                      const char *propname,
 804                                      enum dev_prop_type proptype,
 805                                      void *val, size_t nval)
 806 {
 807         return -ENXIO;
 808 }
 809
 810 static inline struct acpi_device *acpi_get_next_child(struct device *dev,
 811                                                       struct acpi_device *child)
 812 {
 813         return NULL;
 814 }
 815
 816 #endif
 817
 818 #endif  /*_LINUX_ACPI_H*/