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