include/linux/acpi.h

   1 /*
   2  * acpi.h - ACPI Interface
   3  *
   4  * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
   5  *
   6  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  19  */
  20
  21 #ifndef _LINUX_ACPI_H
  22 #define _LINUX_ACPI_H
  23
  24 #include <linux/errno.h>
  25 #include <linux/ioport.h>       /* for struct resource */
  26 #include <linux/resource_ext.h>
  27 #include <linux/device.h>
  28 #include <linux/property.h>
  29
  30 #ifndef _LINUX
  31 #define _LINUX
  32 #endif
  33 #include <acpi/acpi.h>
  34
  35 #ifdef  CONFIG_ACPI
  36
  37 #include <linux/list.h>
  38 #include <linux/mod_devicetable.h>
  39 #include <linux/dynamic_debug.h>
  40
  41 #include <acpi/acpi_bus.h>
  42 #include <acpi/acpi_drivers.h>
  43 #include <acpi/acpi_numa.h>
  44 #include <acpi/acpi_io.h>
  45 #include <asm/acpi.h>
  46
  47 static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
  48 {
  49         return adev ? adev->handle : NULL;
  50 }
  51
  52 #define ACPI_COMPANION(dev)             to_acpi_node((dev)->fwnode)
  53 #define ACPI_COMPANION_SET(dev, adev)   set_primary_fwnode(dev, (adev) ? \
  54         acpi_fwnode_handle(adev) : NULL)
  55 #define ACPI_HANDLE(dev)                acpi_device_handle(ACPI_COMPANION(dev))
  56
  57 /**
  58  * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with
  59  * the PCI-defined class-code information
  60  *
  61  * @_cls : the class, subclass, prog-if triple for this device
  62  * @_msk : the class mask for this device
  63  *
  64  * This macro is used to create a struct acpi_device_id that matches a
  65  * specific PCI class. The .id and .driver_data fields will be left
  66  * initialized with the default value.
  67  */
  68 #define ACPI_DEVICE_CLASS(_cls, _msk)   .cls = (_cls), .cls_msk = (_msk),
  69
  70 static inline bool has_acpi_companion(struct device *dev)
  71 {
  72         return is_acpi_node(dev->fwnode);
  73 }
  74
  75 static inline void acpi_preset_companion(struct device *dev,
  76                                          struct acpi_device *parent, u64 addr)
  77 {
  78         ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL));
  79 }
  80
  81 static inline const char *acpi_dev_name(struct acpi_device *adev)
  82 {
  83         return dev_name(&adev->dev);
  84 }
  85
  86 enum acpi_irq_model_id {
  87         ACPI_IRQ_MODEL_PIC = 0,
  88         ACPI_IRQ_MODEL_IOAPIC,
  89         ACPI_IRQ_MODEL_IOSAPIC,
  90         ACPI_IRQ_MODEL_PLATFORM,
  91         ACPI_IRQ_MODEL_GIC,
  92         ACPI_IRQ_MODEL_COUNT
  93 };
  94
  95 extern enum acpi_irq_model_id   acpi_irq_model;
  96
  97 enum acpi_interrupt_id {
  98         ACPI_INTERRUPT_PMI      = 1,
  99         ACPI_INTERRUPT_INIT,
 100         ACPI_INTERRUPT_CPEI,
 101         ACPI_INTERRUPT_COUNT
 102 };
 103
 104 #define ACPI_SPACE_MEM          0
 105
 106 enum acpi_address_range_id {
 107         ACPI_ADDRESS_RANGE_MEMORY = 1,
 108         ACPI_ADDRESS_RANGE_RESERVED = 2,
 109         ACPI_ADDRESS_RANGE_ACPI = 3,
 110         ACPI_ADDRESS_RANGE_NVS  = 4,
 111         ACPI_ADDRESS_RANGE_COUNT
 112 };
 113
 114
 115 /* Table Handlers */
 116
 117 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
 118
 119 typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
 120                                       const unsigned long end);
 121
 122 #ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
 123 void acpi_initrd_override(void *data, size_t size);
 124 #else
 125 static inline void acpi_initrd_override(void *data, size_t size)
 126 {
 127 }
 128 #endif
 129
 130 #define BAD_MADT_ENTRY(entry, end) (                                        \
 131                 (!entry) || (unsigned long)entry + sizeof(*entry) > end ||  \
 132                 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
 133
 134 char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
 135 void __acpi_unmap_table(char *map, unsigned long size);
 136 int early_acpi_boot_init(void);
 137 int acpi_boot_init (void);
 138 void acpi_boot_table_init (void);
 139 int acpi_mps_check (void);
 140 int acpi_numa_init (void);
 141
 142 int acpi_table_init (void);
 143 int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
 144 int __init acpi_parse_entries(char *id, unsigned long table_size,
 145                               acpi_tbl_entry_handler handler,
 146                               struct acpi_table_header *table_header,
 147                               int entry_id, unsigned int max_entries);
 148 int __init acpi_table_parse_entries(char *id, unsigned long table_size,
 149                                     int entry_id,
 150                                     acpi_tbl_entry_handler handler,
 151                                     unsigned int max_entries);
 152 int acpi_table_parse_madt(enum acpi_madt_type id,
 153                           acpi_tbl_entry_handler handler,
 154                           unsigned int max_entries);
 155 int acpi_parse_mcfg (struct acpi_table_header *header);
 156 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
 157
 158 /* the following four functions are architecture-dependent */
 159 void acpi_numa_slit_init (struct acpi_table_slit *slit);
 160 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
 161 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
 162 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
 163 void acpi_numa_arch_fixup(void);
 164
 165 #ifndef PHYS_CPUID_INVALID
 166 typedef u32 phys_cpuid_t;
 167 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
 168 #endif
 169
 170 static inline bool invalid_logical_cpuid(u32 cpuid)
 171 {
 172         return (int)cpuid < 0;
 173 }
 174
 175 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
 176 {
 177         return phys_id == PHYS_CPUID_INVALID;
 178 }
 179
 180 #ifdef CONFIG_ACPI_HOTPLUG_CPU
 181 /* Arch dependent functions for cpu hotplug support */
 182 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, int *pcpu);
 183 int acpi_unmap_cpu(int cpu);
 184 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
 185
 186 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
 187 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
 188 #endif
 189
 190 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
 191 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
 192 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
 193 void acpi_irq_stats_init(void);
 194 extern u32 acpi_irq_handled;
 195 extern u32 acpi_irq_not_handled;
 196
 197 extern int sbf_port;
 198 extern unsigned long acpi_realmode_flags;
 199
 200 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
 201 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
 202 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
 203
 204 #ifdef CONFIG_X86_IO_APIC
 205 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
 206 #else
 207 #define acpi_get_override_irq(gsi, trigger, polarity) (-1)
 208 #endif
 209 /*
 210  * This function undoes the effect of one call to acpi_register_gsi().
 211  * If this matches the last registration, any IRQ resources for gsi
 212  * are freed.
 213  */
 214 void acpi_unregister_gsi (u32 gsi);
 215
 216 struct pci_dev;
 217
 218 int acpi_pci_irq_enable (struct pci_dev *dev);
 219 void acpi_penalize_isa_irq(int irq, int active);
 220 void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
 221 void acpi_pci_irq_disable (struct pci_dev *dev);
 222
 223 extern int ec_read(u8 addr, u8 *val);
 224 extern int ec_write(u8 addr, u8 val);
 225 extern int ec_transaction(u8 command,
 226                           const u8 *wdata, unsigned wdata_len,
 227                           u8 *rdata, unsigned rdata_len);
 228 extern acpi_handle ec_get_handle(void);
 229
 230 extern bool acpi_is_pnp_device(struct acpi_device *);
 231
 232 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
 233
 234 typedef void (*wmi_notify_handler) (u32 value, void *context);
 235
 236 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
 237                                         u32 method_id,
 238                                         const struct acpi_buffer *in,
 239                                         struct acpi_buffer *out);
 240 extern acpi_status wmi_query_block(const char *guid, u8 instance,
 241                                         struct acpi_buffer *out);
 242 extern acpi_status wmi_set_block(const char *guid, u8 instance,
 243                                         const struct acpi_buffer *in);
 244 extern acpi_status wmi_install_notify_handler(const char *guid,
 245                                         wmi_notify_handler handler, void *data);
 246 extern acpi_status wmi_remove_notify_handler(const char *guid);
 247 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
 248 extern bool wmi_has_guid(const char *guid);
 249
 250 #endif  /* CONFIG_ACPI_WMI */
 251
 252 #define ACPI_VIDEO_OUTPUT_SWITCHING                     0x0001
 253 #define ACPI_VIDEO_DEVICE_POSTING                       0x0002
 254 #define ACPI_VIDEO_ROM_AVAILABLE                        0x0004
 255 #define ACPI_VIDEO_BACKLIGHT                            0x0008
 256 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR               0x0010
 257 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO                0x0020
 258 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR        0x0040
 259 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO         0x0080
 260 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR                 0x0100
 261 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO                  0x0200
 262 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR          0x0400
 263 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO           0x0800
 264
 265 extern char acpi_video_backlight_string[];
 266 extern long acpi_is_video_device(acpi_handle handle);
 267 extern int acpi_blacklisted(void);
 268 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
 269 extern void acpi_osi_setup(char *str);
 270 extern bool acpi_osi_is_win8(void);
 271
 272 #ifdef CONFIG_ACPI_NUMA
 273 int acpi_map_pxm_to_online_node(int pxm);
 274 int acpi_get_node(acpi_handle handle);
 275 #else
 276 static inline int acpi_map_pxm_to_online_node(int pxm)
 277 {
 278         return 0;
 279 }
 280 static inline int acpi_get_node(acpi_handle handle)
 281 {
 282         return 0;
 283 }
 284 #endif
 285 extern int acpi_paddr_to_node(u64 start_addr, u64 size);
 286
 287 extern int pnpacpi_disabled;
 288
 289 #define PXM_INVAL       (-1)
 290
 291 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
 292 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
 293 bool acpi_dev_resource_address_space(struct acpi_resource *ares,
 294                                      struct resource_win *win);
 295 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
 296                                          struct resource_win *win);
 297 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
 298 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
 299                                  struct resource *res);
 300
 301 void acpi_dev_free_resource_list(struct list_head *list);
 302 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
 303                            int (*preproc)(struct acpi_resource *, void *),
 304                            void *preproc_data);
 305 int acpi_dev_filter_resource_type(struct acpi_resource *ares,
 306                                   unsigned long types);
 307
 308 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
 309                                                    void *arg)
 310 {
 311         return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
 312 }
 313
 314 int acpi_check_resource_conflict(const struct resource *res);
 315
 316 int acpi_check_region(resource_size_t start, resource_size_t n,
 317                       const char *name);
 318
 319 int acpi_resources_are_enforced(void);
 320
 321 #ifdef CONFIG_HIBERNATION
 322 void __init acpi_no_s4_hw_signature(void);
 323 #endif
 324
 325 #ifdef CONFIG_PM_SLEEP
 326 void __init acpi_old_suspend_ordering(void);
 327 void __init acpi_nvs_nosave(void);
 328 void __init acpi_nvs_nosave_s3(void);
 329 #endif /* CONFIG_PM_SLEEP */
 330
 331 struct acpi_osc_context {
 332         char *uuid_str;                 /* UUID string */
 333         int rev;
 334         struct acpi_buffer cap;         /* list of DWORD capabilities */
 335         struct acpi_buffer ret;         /* free by caller if success */
 336 };
 337
 338 acpi_status acpi_str_to_uuid(char *str, u8 *uuid);
 339 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
 340
 341 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
 342 #define OSC_QUERY_DWORD                         0       /* DWORD 1 */
 343 #define OSC_SUPPORT_DWORD                       1       /* DWORD 2 */
 344 #define OSC_CONTROL_DWORD                       2       /* DWORD 3 */
 345
 346 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
 347 #define OSC_QUERY_ENABLE                        0x00000001  /* input */
 348 #define OSC_REQUEST_ERROR                       0x00000002  /* return */
 349 #define OSC_INVALID_UUID_ERROR                  0x00000004  /* return */
 350 #define OSC_INVALID_REVISION_ERROR              0x00000008  /* return */
 351 #define OSC_CAPABILITIES_MASK_ERROR             0x00000010  /* return */
 352
 353 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
 354 #define OSC_SB_PAD_SUPPORT                      0x00000001
 355 #define OSC_SB_PPC_OST_SUPPORT                  0x00000002
 356 #define OSC_SB_PR3_SUPPORT                      0x00000004
 357 #define OSC_SB_HOTPLUG_OST_SUPPORT              0x00000008
 358 #define OSC_SB_APEI_SUPPORT                     0x00000010
 359 #define OSC_SB_CPC_SUPPORT                      0x00000020
 360
 361 extern bool osc_sb_apei_support_acked;
 362
 363 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
 364 #define OSC_PCI_EXT_CONFIG_SUPPORT              0x00000001
 365 #define OSC_PCI_ASPM_SUPPORT                    0x00000002
 366 #define OSC_PCI_CLOCK_PM_SUPPORT                0x00000004
 367 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT          0x00000008
 368 #define OSC_PCI_MSI_SUPPORT                     0x00000010
 369 #define OSC_PCI_SUPPORT_MASKS                   0x0000001f
 370
 371 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
 372 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL       0x00000001
 373 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL          0x00000002
 374 #define OSC_PCI_EXPRESS_PME_CONTROL             0x00000004
 375 #define OSC_PCI_EXPRESS_AER_CONTROL             0x00000008
 376 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL      0x00000010
 377 #define OSC_PCI_CONTROL_MASKS                   0x0000001f
 378
 379 #define ACPI_GSB_ACCESS_ATTRIB_QUICK            0x00000002
 380 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV         0x00000004
 381 #define ACPI_GSB_ACCESS_ATTRIB_BYTE             0x00000006
 382 #define ACPI_GSB_ACCESS_ATTRIB_WORD             0x00000008
 383 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK            0x0000000A
 384 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE        0x0000000B
 385 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL        0x0000000C
 386 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL       0x0000000D
 387 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES        0x0000000E
 388 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS      0x0000000F
 389
 390 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
 391                                              u32 *mask, u32 req);
 392
 393 /* Enable _OST when all relevant hotplug operations are enabled */
 394 #if defined(CONFIG_ACPI_HOTPLUG_CPU) &&                 \
 395         defined(CONFIG_ACPI_HOTPLUG_MEMORY) &&          \
 396         defined(CONFIG_ACPI_CONTAINER)
 397 #define ACPI_HOTPLUG_OST
 398 #endif
 399
 400 /* _OST Source Event Code (OSPM Action) */
 401 #define ACPI_OST_EC_OSPM_SHUTDOWN               0x100
 402 #define ACPI_OST_EC_OSPM_EJECT                  0x103
 403 #define ACPI_OST_EC_OSPM_INSERTION              0x200
 404
 405 /* _OST General Processing Status Code */
 406 #define ACPI_OST_SC_SUCCESS                     0x0
 407 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE        0x1
 408 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY         0x2
 409
 410 /* _OST OS Shutdown Processing (0x100) Status Code */
 411 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED          0x80
 412 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS     0x81
 413 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED       0x82
 414 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED   0x83
 415
 416 /* _OST Ejection Request (0x3, 0x103) Status Code */
 417 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED         0x80
 418 #define ACPI_OST_SC_DEVICE_IN_USE               0x81
 419 #define ACPI_OST_SC_DEVICE_BUSY                 0x82
 420 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY       0x83
 421 #define ACPI_OST_SC_EJECT_IN_PROGRESS           0x84
 422
 423 /* _OST Insertion Request (0x200) Status Code */
 424 #define ACPI_OST_SC_INSERT_IN_PROGRESS          0x80
 425 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE         0x81
 426 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED        0x82
 427
 428 extern void acpi_early_init(void);
 429 extern void acpi_subsystem_init(void);
 430
 431 extern int acpi_nvs_register(__u64 start, __u64 size);
 432
 433 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
 434                                     void *data);
 435
 436 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
 437                                                const struct device *dev);
 438
 439 extern bool acpi_driver_match_device(struct device *dev,
 440                                      const struct device_driver *drv);
 441 int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
 442 int acpi_device_modalias(struct device *, char *, int);
 443 void acpi_walk_dep_device_list(acpi_handle handle);
 444
 445 struct platform_device *acpi_create_platform_device(struct acpi_device *);
 446 #define ACPI_PTR(_ptr)  (_ptr)
 447
 448 #else   /* !CONFIG_ACPI */
 449
 450 #define acpi_disabled 1
 451
 452 #define ACPI_COMPANION(dev)             (NULL)
 453 #define ACPI_COMPANION_SET(dev, adev)   do { } while (0)
 454 #define ACPI_HANDLE(dev)                (NULL)
 455 #define ACPI_DEVICE_CLASS(_cls, _msk)   .cls = (0), .cls_msk = (0),
 456
 457 struct fwnode_handle;
 458
 459 static inline bool is_acpi_node(struct fwnode_handle *fwnode)
 460 {
 461         return false;
 462 }
 463
 464 static inline struct acpi_device *to_acpi_node(struct fwnode_handle *fwnode)
 465 {
 466         return NULL;
 467 }
 468
 469 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
 470 {
 471         return NULL;
 472 }
 473
 474 static inline bool has_acpi_companion(struct device *dev)
 475 {
 476         return false;
 477 }
 478
 479 static inline const char *acpi_dev_name(struct acpi_device *adev)
 480 {
 481         return NULL;
 482 }
 483
 484 static inline void acpi_early_init(void) { }
 485 static inline void acpi_subsystem_init(void) { }
 486
 487 static inline int early_acpi_boot_init(void)
 488 {
 489         return 0;
 490 }
 491 static inline int acpi_boot_init(void)
 492 {
 493         return 0;
 494 }
 495
 496 static inline void acpi_boot_table_init(void)
 497 {
 498         return;
 499 }
 500
 501 static inline int acpi_mps_check(void)
 502 {
 503         return 0;
 504 }
 505
 506 static inline int acpi_check_resource_conflict(struct resource *res)
 507 {
 508         return 0;
 509 }
 510
 511 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
 512                                     const char *name)
 513 {
 514         return 0;
 515 }
 516
 517 struct acpi_table_header;
 518 static inline int acpi_table_parse(char *id,
 519                                 int (*handler)(struct acpi_table_header *))
 520 {
 521         return -ENODEV;
 522 }
 523
 524 static inline int acpi_nvs_register(__u64 start, __u64 size)
 525 {
 526         return 0;
 527 }
 528
 529 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
 530                                            void *data)
 531 {
 532         return 0;
 533 }
 534
 535 struct acpi_device_id;
 536
 537 static inline const struct acpi_device_id *acpi_match_device(
 538         const struct acpi_device_id *ids, const struct device *dev)
 539 {
 540         return NULL;
 541 }
 542
 543 static inline bool acpi_driver_match_device(struct device *dev,
 544                                             const struct device_driver *drv)
 545 {
 546         return false;
 547 }
 548
 549 static inline int acpi_device_uevent_modalias(struct device *dev,
 550                                 struct kobj_uevent_env *env)
 551 {
 552         return -ENODEV;
 553 }
 554
 555 static inline int acpi_device_modalias(struct device *dev,
 556                                 char *buf, int size)
 557 {
 558         return -ENODEV;
 559 }
 560
 561 static inline bool acpi_check_dma(struct acpi_device *adev, bool *coherent)
 562 {
 563         return false;
 564 }
 565
 566 #define ACPI_PTR(_ptr)  (NULL)
 567
 568 #endif  /* !CONFIG_ACPI */
 569
 570 #ifdef CONFIG_ACPI
 571 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
 572                                u32 pm1a_ctrl,  u32 pm1b_ctrl));
 573
 574 acpi_status acpi_os_prepare_sleep(u8 sleep_state,
 575                                   u32 pm1a_control, u32 pm1b_control);
 576
 577 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
 578                                         u32 val_a,  u32 val_b));
 579
 580 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
 581                                            u32 val_a, u32 val_b);
 582
 583 #ifdef CONFIG_X86
 584 void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
 585 #else
 586 static inline void arch_reserve_mem_area(acpi_physical_address addr,
 587                                           size_t size)
 588 {
 589 }
 590 #endif /* CONFIG_X86 */
 591 #else
 592 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
 593 #endif
 594
 595 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
 596 int acpi_dev_runtime_suspend(struct device *dev);
 597 int acpi_dev_runtime_resume(struct device *dev);
 598 int acpi_subsys_runtime_suspend(struct device *dev);
 599 int acpi_subsys_runtime_resume(struct device *dev);
 600 struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
 601 int acpi_dev_pm_attach(struct device *dev, bool power_on);
 602 #else
 603 static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
 604 static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
 605 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
 606 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
 607 static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
 608 {
 609         return NULL;
 610 }
 611 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
 612 {
 613         return -ENODEV;
 614 }
 615 #endif
 616
 617 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
 618 int acpi_dev_suspend_late(struct device *dev);
 619 int acpi_dev_resume_early(struct device *dev);
 620 int acpi_subsys_prepare(struct device *dev);
 621 void acpi_subsys_complete(struct device *dev);
 622 int acpi_subsys_suspend_late(struct device *dev);
 623 int acpi_subsys_resume_early(struct device *dev);
 624 int acpi_subsys_suspend(struct device *dev);
 625 int acpi_subsys_freeze(struct device *dev);
 626 #else
 627 static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
 628 static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
 629 static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
 630 static inline void acpi_subsys_complete(struct device *dev) {}
 631 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
 632 static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
 633 static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
 634 static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
 635 #endif
 636
 637 #ifdef CONFIG_ACPI
 638 __printf(3, 4)
 639 void acpi_handle_printk(const char *level, acpi_handle handle,
 640                         const char *fmt, ...);
 641 #else   /* !CONFIG_ACPI */
 642 static inline __printf(3, 4) void
 643 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
 644 #endif  /* !CONFIG_ACPI */
 645
 646 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
 647 __printf(3, 4)
 648 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
 649 #else
 650 #define __acpi_handle_debug(descriptor, handle, fmt, ...)               \
 651         acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
 652 #endif
 653
 654 /*
 655  * acpi_handle_<level>: Print message with ACPI prefix and object path
 656  *
 657  * These interfaces acquire the global namespace mutex to obtain an object
 658  * path.  In interrupt context, it shows the object path as <n/a>.
 659  */
 660 #define acpi_handle_emerg(handle, fmt, ...)                             \
 661         acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
 662 #define acpi_handle_alert(handle, fmt, ...)                             \
 663         acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
 664 #define acpi_handle_crit(handle, fmt, ...)                              \
 665         acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
 666 #define acpi_handle_err(handle, fmt, ...)                               \
 667         acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
 668 #define acpi_handle_warn(handle, fmt, ...)                              \
 669         acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
 670 #define acpi_handle_notice(handle, fmt, ...)                            \
 671         acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
 672 #define acpi_handle_info(handle, fmt, ...)                              \
 673         acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
 674
 675 #if defined(DEBUG)
 676 #define acpi_handle_debug(handle, fmt, ...)                             \
 677         acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
 678 #else
 679 #if defined(CONFIG_DYNAMIC_DEBUG)
 680 #define acpi_handle_debug(handle, fmt, ...)                             \
 681 do {                                                                    \
 682         DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt);                 \
 683         if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT))          \
 684                 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt),   \
 685                                 ##__VA_ARGS__);                         \
 686 } while (0)
 687 #else
 688 #define acpi_handle_debug(handle, fmt, ...)                             \
 689 ({                                                                      \
 690         if (0)                                                          \
 691                 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
 692         0;                                                              \
 693 })
 694 #endif
 695 #endif
 696
 697 struct acpi_gpio_params {
 698         unsigned int crs_entry_index;
 699         unsigned int line_index;
 700         bool active_low;
 701 };
 702
 703 struct acpi_gpio_mapping {
 704         const char *name;
 705         const struct acpi_gpio_params *data;
 706         unsigned int size;
 707 };
 708
 709 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
 710 int acpi_dev_add_driver_gpios(struct acpi_device *adev,
 711                               const struct acpi_gpio_mapping *gpios);
 712
 713 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
 714 {
 715         if (adev)
 716                 adev->driver_gpios = NULL;
 717 }
 718
 719 int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
 720 #else
 721 static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
 722                               const struct acpi_gpio_mapping *gpios)
 723 {
 724         return -ENXIO;
 725 }
 726 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {}
 727
 728 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
 729 {
 730         return -ENXIO;
 731 }
 732 #endif
 733
 734 /* Device properties */
 735
 736 #define MAX_ACPI_REFERENCE_ARGS 8
 737 struct acpi_reference_args {
 738         struct acpi_device *adev;
 739         size_t nargs;
 740         u64 args[MAX_ACPI_REFERENCE_ARGS];
 741 };
 742
 743 #ifdef CONFIG_ACPI
 744 int acpi_dev_get_property(struct acpi_device *adev, const char *name,
 745                           acpi_object_type type, const union acpi_object **obj);
 746 int acpi_dev_get_property_array(struct acpi_device *adev, const char *name,
 747                                 acpi_object_type type,
 748                                 const union acpi_object **obj);
 749 int acpi_dev_get_property_reference(struct acpi_device *adev,
 750                                     const char *name, size_t index,
 751                                     struct acpi_reference_args *args);
 752
 753 int acpi_dev_prop_get(struct acpi_device *adev, const char *propname,
 754                       void **valptr);
 755 int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
 756                               enum dev_prop_type proptype, void *val);
 757 int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
 758                        enum dev_prop_type proptype, void *val, size_t nval);
 759
 760 struct acpi_device *acpi_get_next_child(struct device *dev,
 761                                         struct acpi_device *child);
 762 #else
 763 static inline int acpi_dev_get_property(struct acpi_device *adev,
 764                                         const char *name, acpi_object_type type,
 765                                         const union acpi_object **obj)
 766 {
 767         return -ENXIO;
 768 }
 769 static inline int acpi_dev_get_property_array(struct acpi_device *adev,
 770                                               const char *name,
 771                                               acpi_object_type type,
 772                                               const union acpi_object **obj)
 773 {
 774         return -ENXIO;
 775 }
 776 static inline int acpi_dev_get_property_reference(struct acpi_device *adev,
 777                                 const char *name, const char *cells_name,
 778                                 size_t index, struct acpi_reference_args *args)
 779 {
 780         return -ENXIO;
 781 }
 782
 783 static inline int acpi_dev_prop_get(struct acpi_device *adev,
 784                                     const char *propname,
 785                                     void **valptr)
 786 {
 787         return -ENXIO;
 788 }
 789
 790 static inline int acpi_dev_prop_read_single(struct acpi_device *adev,
 791                                             const char *propname,
 792                                             enum dev_prop_type proptype,
 793                                             void *val)
 794 {
 795         return -ENXIO;
 796 }
 797
 798 static inline int acpi_dev_prop_read(struct acpi_device *adev,
 799                                      const char *propname,
 800                                      enum dev_prop_type proptype,
 801                                      void *val, size_t nval)
 802 {
 803         return -ENXIO;
 804 }
 805
 806 static inline struct acpi_device *acpi_get_next_child(struct device *dev,
 807                                                       struct acpi_device *child)
 808 {
 809         return NULL;
 810 }
 811
 812 #endif
 813
 814 #endif  /*_LINUX_ACPI_H*/