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