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 #ifdef CONFIG_ACPI_HOTPLUG_CPU
 162 /* Arch dependent functions for cpu hotplug support */
 163 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, int *pcpu);
 164 int acpi_unmap_cpu(int cpu);
 165 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
 166
 167 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
 168 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
 169 #endif
 170
 171 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
 172 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
 173 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
 174 void acpi_irq_stats_init(void);
 175 extern u32 acpi_irq_handled;
 176 extern u32 acpi_irq_not_handled;
 177
 178 extern int sbf_port;
 179 extern unsigned long acpi_realmode_flags;
 180
 181 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
 182 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
 183 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
 184
 185 #ifdef CONFIG_X86_IO_APIC
 186 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
 187 #else
 188 #define acpi_get_override_irq(gsi, trigger, polarity) (-1)
 189 #endif
 190 /*
 191  * This function undoes the effect of one call to acpi_register_gsi().
 192  * If this matches the last registration, any IRQ resources for gsi
 193  * are freed.
 194  */
 195 void acpi_unregister_gsi (u32 gsi);
 196
 197 struct pci_dev;
 198
 199 int acpi_pci_irq_enable (struct pci_dev *dev);
 200 void acpi_penalize_isa_irq(int irq, int active);
 201
 202 void acpi_pci_irq_disable (struct pci_dev *dev);
 203
 204 extern int ec_read(u8 addr, u8 *val);
 205 extern int ec_write(u8 addr, u8 val);
 206 extern int ec_transaction(u8 command,
 207                           const u8 *wdata, unsigned wdata_len,
 208                           u8 *rdata, unsigned rdata_len);
 209 extern acpi_handle ec_get_handle(void);
 210
 211 extern bool acpi_is_pnp_device(struct acpi_device *);
 212
 213 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
 214
 215 typedef void (*wmi_notify_handler) (u32 value, void *context);
 216
 217 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
 218                                         u32 method_id,
 219                                         const struct acpi_buffer *in,
 220                                         struct acpi_buffer *out);
 221 extern acpi_status wmi_query_block(const char *guid, u8 instance,
 222                                         struct acpi_buffer *out);
 223 extern acpi_status wmi_set_block(const char *guid, u8 instance,
 224                                         const struct acpi_buffer *in);
 225 extern acpi_status wmi_install_notify_handler(const char *guid,
 226                                         wmi_notify_handler handler, void *data);
 227 extern acpi_status wmi_remove_notify_handler(const char *guid);
 228 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
 229 extern bool wmi_has_guid(const char *guid);
 230
 231 #endif  /* CONFIG_ACPI_WMI */
 232
 233 #define ACPI_VIDEO_OUTPUT_SWITCHING                     0x0001
 234 #define ACPI_VIDEO_DEVICE_POSTING                       0x0002
 235 #define ACPI_VIDEO_ROM_AVAILABLE                        0x0004
 236 #define ACPI_VIDEO_BACKLIGHT                            0x0008
 237 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR               0x0010
 238 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO                0x0020
 239 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR        0x0040
 240 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO         0x0080
 241 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR                 0x0100
 242 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO                  0x0200
 243 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR          0x0400
 244 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO           0x0800
 245
 246 #if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
 247
 248 extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle);
 249 extern long acpi_is_video_device(acpi_handle handle);
 250 extern void acpi_video_dmi_promote_vendor(void);
 251 extern void acpi_video_dmi_demote_vendor(void);
 252 extern int acpi_video_backlight_support(void);
 253 extern int acpi_video_display_switch_support(void);
 254
 255 #else
 256
 257 static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle)
 258 {
 259         return 0;
 260 }
 261
 262 static inline long acpi_is_video_device(acpi_handle handle)
 263 {
 264         return 0;
 265 }
 266
 267 static inline void acpi_video_dmi_promote_vendor(void)
 268 {
 269 }
 270
 271 static inline void acpi_video_dmi_demote_vendor(void)
 272 {
 273 }
 274
 275 static inline int acpi_video_backlight_support(void)
 276 {
 277         return 0;
 278 }
 279
 280 static inline int acpi_video_display_switch_support(void)
 281 {
 282         return 0;
 283 }
 284
 285 #endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */
 286
 287 extern int acpi_blacklisted(void);
 288 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
 289 extern void acpi_osi_setup(char *str);
 290
 291 #ifdef CONFIG_ACPI_NUMA
 292 int acpi_get_node(acpi_handle handle);
 293 #else
 294 static inline int acpi_get_node(acpi_handle handle)
 295 {
 296         return 0;
 297 }
 298 #endif
 299 extern int acpi_paddr_to_node(u64 start_addr, u64 size);
 300
 301 extern int pnpacpi_disabled;
 302
 303 #define PXM_INVAL       (-1)
 304
 305 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
 306 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
 307 bool acpi_dev_resource_address_space(struct acpi_resource *ares,
 308                                      struct resource_win *win);
 309 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
 310                                          struct resource_win *win);
 311 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
 312 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
 313                                  struct resource *res);
 314
 315 void acpi_dev_free_resource_list(struct list_head *list);
 316 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
 317                            int (*preproc)(struct acpi_resource *, void *),
 318                            void *preproc_data);
 319 int acpi_dev_filter_resource_type(struct acpi_resource *ares,
 320                                   unsigned long types);
 321
 322 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
 323                                                    void *arg)
 324 {
 325         return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
 326 }
 327
 328 int acpi_check_resource_conflict(const struct resource *res);
 329
 330 int acpi_check_region(resource_size_t start, resource_size_t n,
 331                       const char *name);
 332
 333 int acpi_resources_are_enforced(void);
 334
 335 #ifdef CONFIG_HIBERNATION
 336 void __init acpi_no_s4_hw_signature(void);
 337 #endif
 338
 339 #ifdef CONFIG_PM_SLEEP
 340 void __init acpi_old_suspend_ordering(void);
 341 void __init acpi_nvs_nosave(void);
 342 void __init acpi_nvs_nosave_s3(void);
 343 #endif /* CONFIG_PM_SLEEP */
 344
 345 struct acpi_osc_context {
 346         char *uuid_str;                 /* UUID string */
 347         int rev;
 348         struct acpi_buffer cap;         /* list of DWORD capabilities */
 349         struct acpi_buffer ret;         /* free by caller if success */
 350 };
 351
 352 acpi_status acpi_str_to_uuid(char *str, u8 *uuid);
 353 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
 354
 355 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
 356 #define OSC_QUERY_DWORD                         0       /* DWORD 1 */
 357 #define OSC_SUPPORT_DWORD                       1       /* DWORD 2 */
 358 #define OSC_CONTROL_DWORD                       2       /* DWORD 3 */
 359
 360 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
 361 #define OSC_QUERY_ENABLE                        0x00000001  /* input */
 362 #define OSC_REQUEST_ERROR                       0x00000002  /* return */
 363 #define OSC_INVALID_UUID_ERROR                  0x00000004  /* return */
 364 #define OSC_INVALID_REVISION_ERROR              0x00000008  /* return */
 365 #define OSC_CAPABILITIES_MASK_ERROR             0x00000010  /* return */
 366
 367 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
 368 #define OSC_SB_PAD_SUPPORT                      0x00000001
 369 #define OSC_SB_PPC_OST_SUPPORT                  0x00000002
 370 #define OSC_SB_PR3_SUPPORT                      0x00000004
 371 #define OSC_SB_HOTPLUG_OST_SUPPORT              0x00000008
 372 #define OSC_SB_APEI_SUPPORT                     0x00000010
 373 #define OSC_SB_CPC_SUPPORT                      0x00000020
 374
 375 extern bool osc_sb_apei_support_acked;
 376
 377 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
 378 #define OSC_PCI_EXT_CONFIG_SUPPORT              0x00000001
 379 #define OSC_PCI_ASPM_SUPPORT                    0x00000002
 380 #define OSC_PCI_CLOCK_PM_SUPPORT                0x00000004
 381 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT          0x00000008
 382 #define OSC_PCI_MSI_SUPPORT                     0x00000010
 383 #define OSC_PCI_SUPPORT_MASKS                   0x0000001f
 384
 385 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
 386 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL       0x00000001
 387 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL          0x00000002
 388 #define OSC_PCI_EXPRESS_PME_CONTROL             0x00000004
 389 #define OSC_PCI_EXPRESS_AER_CONTROL             0x00000008
 390 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL      0x00000010
 391 #define OSC_PCI_CONTROL_MASKS                   0x0000001f
 392
 393 #define ACPI_GSB_ACCESS_ATTRIB_QUICK            0x00000002
 394 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV         0x00000004
 395 #define ACPI_GSB_ACCESS_ATTRIB_BYTE             0x00000006
 396 #define ACPI_GSB_ACCESS_ATTRIB_WORD             0x00000008
 397 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK            0x0000000A
 398 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE        0x0000000B
 399 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL        0x0000000C
 400 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL       0x0000000D
 401 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES        0x0000000E
 402 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS      0x0000000F
 403
 404 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
 405                                              u32 *mask, u32 req);
 406
 407 /* Enable _OST when all relevant hotplug operations are enabled */
 408 #if defined(CONFIG_ACPI_HOTPLUG_CPU) &&                 \
 409         defined(CONFIG_ACPI_HOTPLUG_MEMORY) &&          \
 410         defined(CONFIG_ACPI_CONTAINER)
 411 #define ACPI_HOTPLUG_OST
 412 #endif
 413
 414 /* _OST Source Event Code (OSPM Action) */
 415 #define ACPI_OST_EC_OSPM_SHUTDOWN               0x100
 416 #define ACPI_OST_EC_OSPM_EJECT                  0x103
 417 #define ACPI_OST_EC_OSPM_INSERTION              0x200
 418
 419 /* _OST General Processing Status Code */
 420 #define ACPI_OST_SC_SUCCESS                     0x0
 421 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE        0x1
 422 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY         0x2
 423
 424 /* _OST OS Shutdown Processing (0x100) Status Code */
 425 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED          0x80
 426 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS     0x81
 427 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED       0x82
 428 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED   0x83
 429
 430 /* _OST Ejection Request (0x3, 0x103) Status Code */
 431 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED         0x80
 432 #define ACPI_OST_SC_DEVICE_IN_USE               0x81
 433 #define ACPI_OST_SC_DEVICE_BUSY                 0x82
 434 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY       0x83
 435 #define ACPI_OST_SC_EJECT_IN_PROGRESS           0x84
 436
 437 /* _OST Insertion Request (0x200) Status Code */
 438 #define ACPI_OST_SC_INSERT_IN_PROGRESS          0x80
 439 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE         0x81
 440 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED        0x82
 441
 442 extern void acpi_early_init(void);
 443
 444 extern int acpi_nvs_register(__u64 start, __u64 size);
 445
 446 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
 447                                     void *data);
 448
 449 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
 450                                                const struct device *dev);
 451
 452 extern bool acpi_driver_match_device(struct device *dev,
 453                                      const struct device_driver *drv);
 454 int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
 455 int acpi_device_modalias(struct device *, char *, int);
 456 void acpi_walk_dep_device_list(acpi_handle handle);
 457
 458 struct platform_device *acpi_create_platform_device(struct acpi_device *);
 459 #define ACPI_PTR(_ptr)  (_ptr)
 460
 461 #else   /* !CONFIG_ACPI */
 462
 463 #define acpi_disabled 1
 464
 465 #define ACPI_COMPANION(dev)             (NULL)
 466 #define ACPI_COMPANION_SET(dev, adev)   do { } while (0)
 467 #define ACPI_HANDLE(dev)                (NULL)
 468
 469 struct fwnode_handle;
 470
 471 static inline bool is_acpi_node(struct fwnode_handle *fwnode)
 472 {
 473         return false;
 474 }
 475
 476 static inline struct acpi_device *acpi_node(struct fwnode_handle *fwnode)
 477 {
 478         return NULL;
 479 }
 480
 481 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
 482 {
 483         return NULL;
 484 }
 485
 486 static inline bool has_acpi_companion(struct device *dev)
 487 {
 488         return false;
 489 }
 490
 491 static inline const char *acpi_dev_name(struct acpi_device *adev)
 492 {
 493         return NULL;
 494 }
 495
 496 static inline void acpi_early_init(void) { }
 497
 498 static inline int early_acpi_boot_init(void)
 499 {
 500         return 0;
 501 }
 502 static inline int acpi_boot_init(void)
 503 {
 504         return 0;
 505 }
 506
 507 static inline void acpi_boot_table_init(void)
 508 {
 509         return;
 510 }
 511
 512 static inline int acpi_mps_check(void)
 513 {
 514         return 0;
 515 }
 516
 517 static inline int acpi_check_resource_conflict(struct resource *res)
 518 {
 519         return 0;
 520 }
 521
 522 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
 523                                     const char *name)
 524 {
 525         return 0;
 526 }
 527
 528 struct acpi_table_header;
 529 static inline int acpi_table_parse(char *id,
 530                                 int (*handler)(struct acpi_table_header *))
 531 {
 532         return -ENODEV;
 533 }
 534
 535 static inline int acpi_nvs_register(__u64 start, __u64 size)
 536 {
 537         return 0;
 538 }
 539
 540 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
 541                                            void *data)
 542 {
 543         return 0;
 544 }
 545
 546 struct acpi_device_id;
 547
 548 static inline const struct acpi_device_id *acpi_match_device(
 549         const struct acpi_device_id *ids, const struct device *dev)
 550 {
 551         return NULL;
 552 }
 553
 554 static inline bool acpi_driver_match_device(struct device *dev,
 555                                             const struct device_driver *drv)
 556 {
 557         return false;
 558 }
 559
 560 static inline int acpi_device_uevent_modalias(struct device *dev,
 561                                 struct kobj_uevent_env *env)
 562 {
 563         return -ENODEV;
 564 }
 565
 566 static inline int acpi_device_modalias(struct device *dev,
 567                                 char *buf, int size)
 568 {
 569         return -ENODEV;
 570 }
 571
 572 #define ACPI_PTR(_ptr)  (NULL)
 573
 574 #endif  /* !CONFIG_ACPI */
 575
 576 #ifdef CONFIG_ACPI
 577 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
 578                                u32 pm1a_ctrl,  u32 pm1b_ctrl));
 579
 580 acpi_status acpi_os_prepare_sleep(u8 sleep_state,
 581                                   u32 pm1a_control, u32 pm1b_control);
 582
 583 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
 584                                         u32 val_a,  u32 val_b));
 585
 586 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
 587                                            u32 val_a, u32 val_b);
 588
 589 #ifdef CONFIG_X86
 590 void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
 591 #else
 592 static inline void arch_reserve_mem_area(acpi_physical_address addr,
 593                                           size_t size)
 594 {
 595 }
 596 #endif /* CONFIG_X86 */
 597 #else
 598 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
 599 #endif
 600
 601 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
 602 int acpi_dev_runtime_suspend(struct device *dev);
 603 int acpi_dev_runtime_resume(struct device *dev);
 604 int acpi_subsys_runtime_suspend(struct device *dev);
 605 int acpi_subsys_runtime_resume(struct device *dev);
 606 struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
 607 int acpi_dev_pm_attach(struct device *dev, bool power_on);
 608 #else
 609 static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
 610 static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
 611 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
 612 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
 613 static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
 614 {
 615         return NULL;
 616 }
 617 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
 618 {
 619         return -ENODEV;
 620 }
 621 #endif
 622
 623 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
 624 int acpi_dev_suspend_late(struct device *dev);
 625 int acpi_dev_resume_early(struct device *dev);
 626 int acpi_subsys_prepare(struct device *dev);
 627 void acpi_subsys_complete(struct device *dev);
 628 int acpi_subsys_suspend_late(struct device *dev);
 629 int acpi_subsys_resume_early(struct device *dev);
 630 int acpi_subsys_suspend(struct device *dev);
 631 int acpi_subsys_freeze(struct device *dev);
 632 #else
 633 static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
 634 static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
 635 static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
 636 static inline void acpi_subsys_complete(struct device *dev) {}
 637 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
 638 static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
 639 static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
 640 static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
 641 #endif
 642
 643 #ifdef CONFIG_ACPI
 644 __printf(3, 4)
 645 void acpi_handle_printk(const char *level, acpi_handle handle,
 646                         const char *fmt, ...);
 647 #else   /* !CONFIG_ACPI */
 648 static inline __printf(3, 4) void
 649 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
 650 #endif  /* !CONFIG_ACPI */
 651
 652 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
 653 __printf(3, 4)
 654 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
 655 #else
 656 #define __acpi_handle_debug(descriptor, handle, fmt, ...)               \
 657         acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
 658 #endif
 659
 660 /*
 661  * acpi_handle_<level>: Print message with ACPI prefix and object path
 662  *
 663  * These interfaces acquire the global namespace mutex to obtain an object
 664  * path.  In interrupt context, it shows the object path as <n/a>.
 665  */
 666 #define acpi_handle_emerg(handle, fmt, ...)                             \
 667         acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
 668 #define acpi_handle_alert(handle, fmt, ...)                             \
 669         acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
 670 #define acpi_handle_crit(handle, fmt, ...)                              \
 671         acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
 672 #define acpi_handle_err(handle, fmt, ...)                               \
 673         acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
 674 #define acpi_handle_warn(handle, fmt, ...)                              \
 675         acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
 676 #define acpi_handle_notice(handle, fmt, ...)                            \
 677         acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
 678 #define acpi_handle_info(handle, fmt, ...)                              \
 679         acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
 680
 681 #if defined(DEBUG)
 682 #define acpi_handle_debug(handle, fmt, ...)                             \
 683         acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
 684 #else
 685 #if defined(CONFIG_DYNAMIC_DEBUG)
 686 #define acpi_handle_debug(handle, fmt, ...)                             \
 687 do {                                                                    \
 688         DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt);                 \
 689         if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT))          \
 690                 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt),   \
 691                                 ##__VA_ARGS__);                         \
 692 } while (0)
 693 #else
 694 #define acpi_handle_debug(handle, fmt, ...)                             \
 695 ({                                                                      \
 696         if (0)                                                          \
 697                 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
 698         0;                                                              \
 699 })
 700 #endif
 701 #endif
 702
 703 struct acpi_gpio_params {
 704         unsigned int crs_entry_index;
 705         unsigned int line_index;
 706         bool active_low;
 707 };
 708
 709 struct acpi_gpio_mapping {
 710         const char *name;
 711         const struct acpi_gpio_params *data;
 712         unsigned int size;
 713 };
 714
 715 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
 716 int acpi_dev_add_driver_gpios(struct acpi_device *adev,
 717                               const struct acpi_gpio_mapping *gpios);
 718
 719 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
 720 {
 721         if (adev)
 722                 adev->driver_gpios = NULL;
 723 }
 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 #endif
 732
 733 /* Device properties */
 734
 735 #define MAX_ACPI_REFERENCE_ARGS 8
 736 struct acpi_reference_args {
 737         struct acpi_device *adev;
 738         size_t nargs;
 739         u64 args[MAX_ACPI_REFERENCE_ARGS];
 740 };
 741
 742 #ifdef CONFIG_ACPI
 743 int acpi_dev_get_property(struct acpi_device *adev, const char *name,
 744                           acpi_object_type type, const union acpi_object **obj);
 745 int acpi_dev_get_property_array(struct acpi_device *adev, const char *name,
 746                                 acpi_object_type type,
 747                                 const union acpi_object **obj);
 748 int acpi_dev_get_property_reference(struct acpi_device *adev,
 749                                     const char *name, size_t index,
 750                                     struct acpi_reference_args *args);
 751
 752 int acpi_dev_prop_get(struct acpi_device *adev, const char *propname,
 753                       void **valptr);
 754 int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
 755                               enum dev_prop_type proptype, void *val);
 756 int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
 757                        enum dev_prop_type proptype, void *val, size_t nval);
 758
 759 struct acpi_device *acpi_get_next_child(struct device *dev,
 760                                         struct acpi_device *child);
 761 #else
 762 static inline int acpi_dev_get_property(struct acpi_device *adev,
 763                                         const char *name, acpi_object_type type,
 764                                         const union acpi_object **obj)
 765 {
 766         return -ENXIO;
 767 }
 768 static inline int acpi_dev_get_property_array(struct acpi_device *adev,
 769                                               const char *name,
 770                                               acpi_object_type type,
 771                                               const union acpi_object **obj)
 772 {
 773         return -ENXIO;
 774 }
 775 static inline int acpi_dev_get_property_reference(struct acpi_device *adev,
 776                                 const char *name, const char *cells_name,
 777                                 size_t index, struct acpi_reference_args *args)
 778 {
 779         return -ENXIO;
 780 }
 781
 782 static inline int acpi_dev_prop_get(struct acpi_device *adev,
 783                                     const char *propname,
 784                                     void **valptr)
 785 {
 786         return -ENXIO;
 787 }
 788
 789 static inline int acpi_dev_prop_read_single(struct acpi_device *adev,
 790                                             const char *propname,
 791                                             enum dev_prop_type proptype,
 792                                             void *val)
 793 {
 794         return -ENXIO;
 795 }
 796
 797 static inline int acpi_dev_prop_read(struct acpi_device *adev,
 798                                      const char *propname,
 799                                      enum dev_prop_type proptype,
 800                                      void *val, size_t nval)
 801 {
 802         return -ENXIO;
 803 }
 804
 805 static inline struct acpi_device *acpi_get_next_child(struct device *dev,
 806                                                       struct acpi_device *child)
 807 {
 808         return NULL;
 809 }
 810
 811 #endif
 812
 813 #endif  /*_LINUX_ACPI_H*/