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
  32 #ifdef  CONFIG_ACPI
  33
  34 #ifndef _LINUX
  35 #define _LINUX
  36 #endif
  37
  38 #include <linux/list.h>
  39 #include <linux/mod_devicetable.h>
  40
  41 #include <acpi/acpi.h>
  42 #include <acpi/acpi_bus.h>
  43 #include <acpi/acpi_drivers.h>
  44 #include <acpi/acpi_numa.h>
  45 #include <asm/acpi.h>
  46
  47 enum acpi_irq_model_id {
  48         ACPI_IRQ_MODEL_PIC = 0,
  49         ACPI_IRQ_MODEL_IOAPIC,
  50         ACPI_IRQ_MODEL_IOSAPIC,
  51         ACPI_IRQ_MODEL_PLATFORM,
  52         ACPI_IRQ_MODEL_COUNT
  53 };
  54
  55 extern enum acpi_irq_model_id   acpi_irq_model;
  56
  57 enum acpi_interrupt_id {
  58         ACPI_INTERRUPT_PMI      = 1,
  59         ACPI_INTERRUPT_INIT,
  60         ACPI_INTERRUPT_CPEI,
  61         ACPI_INTERRUPT_COUNT
  62 };
  63
  64 #define ACPI_SPACE_MEM          0
  65
  66 enum acpi_address_range_id {
  67         ACPI_ADDRESS_RANGE_MEMORY = 1,
  68         ACPI_ADDRESS_RANGE_RESERVED = 2,
  69         ACPI_ADDRESS_RANGE_ACPI = 3,
  70         ACPI_ADDRESS_RANGE_NVS  = 4,
  71         ACPI_ADDRESS_RANGE_COUNT
  72 };
  73
  74
  75 /* Table Handlers */
  76
  77 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
  78
  79 typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
  80                                       const unsigned long end);
  81
  82 #ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
  83 void acpi_initrd_override(void *data, size_t size);
  84 #else
  85 static inline void acpi_initrd_override(void *data, size_t size)
  86 {
  87 }
  88 #endif
  89
  90 char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
  91 void __acpi_unmap_table(char *map, unsigned long size);
  92 int early_acpi_boot_init(void);
  93 int acpi_boot_init (void);
  94 void acpi_boot_table_init (void);
  95 int acpi_mps_check (void);
  96 int acpi_numa_init (void);
  97
  98 int acpi_table_init (void);
  99 int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
 100 int __init acpi_table_parse_entries(char *id, unsigned long table_size,
 101                                     int entry_id,
 102                                     acpi_tbl_entry_handler handler,
 103                                     unsigned int max_entries);
 104 int acpi_table_parse_madt(enum acpi_madt_type id,
 105                           acpi_tbl_entry_handler handler,
 106                           unsigned int max_entries);
 107 int acpi_parse_mcfg (struct acpi_table_header *header);
 108 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
 109
 110 /* the following four functions are architecture-dependent */
 111 void acpi_numa_slit_init (struct acpi_table_slit *slit);
 112 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
 113 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
 114 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
 115 void acpi_numa_arch_fixup(void);
 116
 117 #ifdef CONFIG_ACPI_HOTPLUG_CPU
 118 /* Arch dependent functions for cpu hotplug support */
 119 int acpi_map_lsapic(acpi_handle handle, int *pcpu);
 120 int acpi_unmap_lsapic(int cpu);
 121 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
 122
 123 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
 124 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
 125 void acpi_irq_stats_init(void);
 126 extern u32 acpi_irq_handled;
 127 extern u32 acpi_irq_not_handled;
 128
 129 extern int sbf_port;
 130 extern unsigned long acpi_realmode_flags;
 131
 132 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
 133 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
 134 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
 135
 136 #ifdef CONFIG_X86_IO_APIC
 137 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
 138 #else
 139 #define acpi_get_override_irq(gsi, trigger, polarity) (-1)
 140 #endif
 141 /*
 142  * This function undoes the effect of one call to acpi_register_gsi().
 143  * If this matches the last registration, any IRQ resources for gsi
 144  * are freed.
 145  */
 146 void acpi_unregister_gsi (u32 gsi);
 147
 148 struct pci_dev;
 149
 150 int acpi_pci_irq_enable (struct pci_dev *dev);
 151 void acpi_penalize_isa_irq(int irq, int active);
 152
 153 void acpi_pci_irq_disable (struct pci_dev *dev);
 154
 155 struct acpi_pci_driver {
 156         struct list_head node;
 157         int (*add)(struct acpi_pci_root *root);
 158         void (*remove)(struct acpi_pci_root *root);
 159 };
 160
 161 int acpi_pci_register_driver(struct acpi_pci_driver *driver);
 162 void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
 163
 164 extern int ec_read(u8 addr, u8 *val);
 165 extern int ec_write(u8 addr, u8 val);
 166 extern int ec_transaction(u8 command,
 167                           const u8 *wdata, unsigned wdata_len,
 168                           u8 *rdata, unsigned rdata_len);
 169 extern acpi_handle ec_get_handle(void);
 170
 171 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
 172
 173 typedef void (*wmi_notify_handler) (u32 value, void *context);
 174
 175 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
 176                                         u32 method_id,
 177                                         const struct acpi_buffer *in,
 178                                         struct acpi_buffer *out);
 179 extern acpi_status wmi_query_block(const char *guid, u8 instance,
 180                                         struct acpi_buffer *out);
 181 extern acpi_status wmi_set_block(const char *guid, u8 instance,
 182                                         const struct acpi_buffer *in);
 183 extern acpi_status wmi_install_notify_handler(const char *guid,
 184                                         wmi_notify_handler handler, void *data);
 185 extern acpi_status wmi_remove_notify_handler(const char *guid);
 186 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
 187 extern bool wmi_has_guid(const char *guid);
 188
 189 #endif  /* CONFIG_ACPI_WMI */
 190
 191 #define ACPI_VIDEO_OUTPUT_SWITCHING                     0x0001
 192 #define ACPI_VIDEO_DEVICE_POSTING                       0x0002
 193 #define ACPI_VIDEO_ROM_AVAILABLE                        0x0004
 194 #define ACPI_VIDEO_BACKLIGHT                            0x0008
 195 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR               0x0010
 196 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO                0x0020
 197 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR        0x0040
 198 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO         0x0080
 199 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR                 0x0100
 200 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO                  0x0200
 201 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR          0x0400
 202 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO           0x0800
 203
 204 #if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
 205
 206 extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle);
 207 extern long acpi_is_video_device(struct acpi_device *device);
 208 extern void acpi_video_dmi_promote_vendor(void);
 209 extern void acpi_video_dmi_demote_vendor(void);
 210 extern int acpi_video_backlight_support(void);
 211 extern int acpi_video_display_switch_support(void);
 212
 213 #else
 214
 215 static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle)
 216 {
 217         return 0;
 218 }
 219
 220 static inline long acpi_is_video_device(struct acpi_device *device)
 221 {
 222         return 0;
 223 }
 224
 225 static inline void acpi_video_dmi_promote_vendor(void)
 226 {
 227 }
 228
 229 static inline void acpi_video_dmi_demote_vendor(void)
 230 {
 231 }
 232
 233 static inline int acpi_video_backlight_support(void)
 234 {
 235         return 0;
 236 }
 237
 238 static inline int acpi_video_display_switch_support(void)
 239 {
 240         return 0;
 241 }
 242
 243 #endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */
 244
 245 extern int acpi_blacklisted(void);
 246 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
 247 extern void acpi_osi_setup(char *str);
 248
 249 #ifdef CONFIG_ACPI_NUMA
 250 int acpi_get_pxm(acpi_handle handle);
 251 int acpi_get_node(acpi_handle *handle);
 252 #else
 253 static inline int acpi_get_pxm(acpi_handle handle)
 254 {
 255         return 0;
 256 }
 257 static inline int acpi_get_node(acpi_handle *handle)
 258 {
 259         return 0;
 260 }
 261 #endif
 262 extern int acpi_paddr_to_node(u64 start_addr, u64 size);
 263
 264 extern int pnpacpi_disabled;
 265
 266 #define PXM_INVAL       (-1)
 267
 268 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
 269 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
 270 bool acpi_dev_resource_address_space(struct acpi_resource *ares,
 271                                      struct resource *res);
 272 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
 273                                          struct resource *res);
 274 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
 275 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
 276                                  struct resource *res);
 277
 278 struct resource_list_entry {
 279         struct list_head node;
 280         struct resource res;
 281 };
 282
 283 void acpi_dev_free_resource_list(struct list_head *list);
 284 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
 285                            int (*preproc)(struct acpi_resource *, void *),
 286                            void *preproc_data);
 287
 288 int acpi_check_resource_conflict(const struct resource *res);
 289
 290 int acpi_check_region(resource_size_t start, resource_size_t n,
 291                       const char *name);
 292
 293 int acpi_resources_are_enforced(void);
 294
 295 #ifdef CONFIG_HIBERNATION
 296 void __init acpi_no_s4_hw_signature(void);
 297 #endif
 298
 299 #ifdef CONFIG_PM_SLEEP
 300 void __init acpi_old_suspend_ordering(void);
 301 void __init acpi_nvs_nosave(void);
 302 void __init acpi_nvs_nosave_s3(void);
 303 #endif /* CONFIG_PM_SLEEP */
 304
 305 struct acpi_osc_context {
 306         char *uuid_str; /* uuid string */
 307         int rev;
 308         struct acpi_buffer cap; /* arg2/arg3 */
 309         struct acpi_buffer ret; /* free by caller if success */
 310 };
 311
 312 #define OSC_QUERY_TYPE                  0
 313 #define OSC_SUPPORT_TYPE                1
 314 #define OSC_CONTROL_TYPE                2
 315
 316 /* _OSC DW0 Definition */
 317 #define OSC_QUERY_ENABLE                1
 318 #define OSC_REQUEST_ERROR               2
 319 #define OSC_INVALID_UUID_ERROR          4
 320 #define OSC_INVALID_REVISION_ERROR      8
 321 #define OSC_CAPABILITIES_MASK_ERROR     16
 322
 323 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
 324
 325 /* platform-wide _OSC bits */
 326 #define OSC_SB_PAD_SUPPORT              1
 327 #define OSC_SB_PPC_OST_SUPPORT          2
 328 #define OSC_SB_PR3_SUPPORT              4
 329 #define OSC_SB_HOTPLUG_OST_SUPPORT      8
 330 #define OSC_SB_APEI_SUPPORT             16
 331
 332 extern bool osc_sb_apei_support_acked;
 333
 334 /* PCI defined _OSC bits */
 335 /* _OSC DW1 Definition (OS Support Fields) */
 336 #define OSC_EXT_PCI_CONFIG_SUPPORT              1
 337 #define OSC_ACTIVE_STATE_PWR_SUPPORT            2
 338 #define OSC_CLOCK_PWR_CAPABILITY_SUPPORT        4
 339 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT          8
 340 #define OSC_MSI_SUPPORT                         16
 341 #define OSC_PCI_SUPPORT_MASKS                   0x1f
 342
 343 /* _OSC DW1 Definition (OS Control Fields) */
 344 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL       1
 345 #define OSC_SHPC_NATIVE_HP_CONTROL              2
 346 #define OSC_PCI_EXPRESS_PME_CONTROL             4
 347 #define OSC_PCI_EXPRESS_AER_CONTROL             8
 348 #define OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL   16
 349
 350 #define OSC_PCI_CONTROL_MASKS   (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL |    \
 351                                 OSC_SHPC_NATIVE_HP_CONTROL |            \
 352                                 OSC_PCI_EXPRESS_PME_CONTROL |           \
 353                                 OSC_PCI_EXPRESS_AER_CONTROL |           \
 354                                 OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL)
 355
 356 #define OSC_PCI_NATIVE_HOTPLUG  (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL |    \
 357                                 OSC_SHPC_NATIVE_HP_CONTROL)
 358
 359 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
 360                                              u32 *mask, u32 req);
 361
 362 /* Enable _OST when all relevant hotplug operations are enabled */
 363 #if defined(CONFIG_ACPI_HOTPLUG_CPU) &&                 \
 364         (defined(CONFIG_ACPI_HOTPLUG_MEMORY) ||         \
 365          defined(CONFIG_ACPI_HOTPLUG_MEMORY_MODULE)) && \
 366         defined(CONFIG_ACPI_CONTAINER)
 367 #define ACPI_HOTPLUG_OST
 368 #endif
 369
 370 /* _OST Source Event Code (OSPM Action) */
 371 #define ACPI_OST_EC_OSPM_SHUTDOWN               0x100
 372 #define ACPI_OST_EC_OSPM_EJECT                  0x103
 373 #define ACPI_OST_EC_OSPM_INSERTION              0x200
 374
 375 /* _OST General Processing Status Code */
 376 #define ACPI_OST_SC_SUCCESS                     0x0
 377 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE        0x1
 378 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY         0x2
 379
 380 /* _OST OS Shutdown Processing (0x100) Status Code */
 381 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED          0x80
 382 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS     0x81
 383 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED       0x82
 384 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED   0x83
 385
 386 /* _OST Ejection Request (0x3, 0x103) Status Code */
 387 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED         0x80
 388 #define ACPI_OST_SC_DEVICE_IN_USE               0x81
 389 #define ACPI_OST_SC_DEVICE_BUSY                 0x82
 390 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY       0x83
 391 #define ACPI_OST_SC_EJECT_IN_PROGRESS           0x84
 392
 393 /* _OST Insertion Request (0x200) Status Code */
 394 #define ACPI_OST_SC_INSERT_IN_PROGRESS          0x80
 395 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE         0x81
 396 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED        0x82
 397
 398 extern void acpi_early_init(void);
 399
 400 extern int acpi_nvs_register(__u64 start, __u64 size);
 401
 402 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
 403                                     void *data);
 404
 405 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
 406                                                const struct device *dev);
 407
 408 static inline bool acpi_driver_match_device(struct device *dev,
 409                                             const struct device_driver *drv)
 410 {
 411         return !!acpi_match_device(drv->acpi_match_table, dev);
 412 }
 413
 414 #define ACPI_PTR(_ptr)  (_ptr)
 415
 416 #else   /* !CONFIG_ACPI */
 417
 418 #define acpi_disabled 1
 419
 420 static inline void acpi_early_init(void) { }
 421
 422 static inline int early_acpi_boot_init(void)
 423 {
 424         return 0;
 425 }
 426 static inline int acpi_boot_init(void)
 427 {
 428         return 0;
 429 }
 430
 431 static inline void acpi_boot_table_init(void)
 432 {
 433         return;
 434 }
 435
 436 static inline int acpi_mps_check(void)
 437 {
 438         return 0;
 439 }
 440
 441 static inline int acpi_check_resource_conflict(struct resource *res)
 442 {
 443         return 0;
 444 }
 445
 446 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
 447                                     const char *name)
 448 {
 449         return 0;
 450 }
 451
 452 struct acpi_table_header;
 453 static inline int acpi_table_parse(char *id,
 454                                 int (*handler)(struct acpi_table_header *))
 455 {
 456         return -1;
 457 }
 458
 459 static inline int acpi_nvs_register(__u64 start, __u64 size)
 460 {
 461         return 0;
 462 }
 463
 464 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
 465                                            void *data)
 466 {
 467         return 0;
 468 }
 469
 470 struct acpi_device_id;
 471
 472 static inline const struct acpi_device_id *acpi_match_device(
 473         const struct acpi_device_id *ids, const struct device *dev)
 474 {
 475         return NULL;
 476 }
 477
 478 static inline bool acpi_driver_match_device(struct device *dev,
 479                                             const struct device_driver *drv)
 480 {
 481         return false;
 482 }
 483
 484 #define ACPI_PTR(_ptr)  (NULL)
 485
 486 #endif  /* !CONFIG_ACPI */
 487
 488 #ifdef CONFIG_ACPI
 489 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
 490                                u32 pm1a_ctrl,  u32 pm1b_ctrl));
 491
 492 acpi_status acpi_os_prepare_sleep(u8 sleep_state,
 493                                   u32 pm1a_control, u32 pm1b_control);
 494 #ifdef CONFIG_X86
 495 void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
 496 #else
 497 static inline void arch_reserve_mem_area(acpi_physical_address addr,
 498                                           size_t size)
 499 {
 500 }
 501 #endif /* CONFIG_X86 */
 502 #else
 503 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
 504 #endif
 505
 506 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_RUNTIME)
 507 int acpi_dev_runtime_suspend(struct device *dev);
 508 int acpi_dev_runtime_resume(struct device *dev);
 509 int acpi_subsys_runtime_suspend(struct device *dev);
 510 int acpi_subsys_runtime_resume(struct device *dev);
 511 #else
 512 static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
 513 static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
 514 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
 515 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
 516 #endif
 517
 518 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
 519 int acpi_dev_suspend_late(struct device *dev);
 520 int acpi_dev_resume_early(struct device *dev);
 521 int acpi_subsys_prepare(struct device *dev);
 522 int acpi_subsys_suspend_late(struct device *dev);
 523 int acpi_subsys_resume_early(struct device *dev);
 524 #else
 525 static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
 526 static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
 527 static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
 528 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
 529 static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
 530 #endif
 531
 532 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
 533 struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
 534 int acpi_dev_pm_attach(struct device *dev, bool power_on);
 535 void acpi_dev_pm_detach(struct device *dev, bool power_off);
 536 #else
 537 static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
 538 {
 539         return NULL;
 540 }
 541 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
 542 {
 543         return -ENODEV;
 544 }
 545 static inline void acpi_dev_pm_detach(struct device *dev, bool power_off) {}
 546 #endif
 547
 548 #ifdef CONFIG_ACPI
 549 __printf(3, 4)
 550 void acpi_handle_printk(const char *level, acpi_handle handle,
 551                         const char *fmt, ...);
 552 #else   /* !CONFIG_ACPI */
 553 static inline __printf(3, 4) void
 554 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
 555 #endif  /* !CONFIG_ACPI */
 556
 557 /*
 558  * acpi_handle_<level>: Print message with ACPI prefix and object path
 559  *
 560  * These interfaces acquire the global namespace mutex to obtain an object
 561  * path.  In interrupt context, it shows the object path as <n/a>.
 562  */
 563 #define acpi_handle_emerg(handle, fmt, ...)                             \
 564         acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
 565 #define acpi_handle_alert(handle, fmt, ...)                             \
 566         acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
 567 #define acpi_handle_crit(handle, fmt, ...)                              \
 568         acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
 569 #define acpi_handle_err(handle, fmt, ...)                               \
 570         acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
 571 #define acpi_handle_warn(handle, fmt, ...)                              \
 572         acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
 573 #define acpi_handle_notice(handle, fmt, ...)                            \
 574         acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
 575 #define acpi_handle_info(handle, fmt, ...)                              \
 576         acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
 577
 578 /* REVISIT: Support CONFIG_DYNAMIC_DEBUG when necessary */
 579 #if defined(DEBUG) || defined(CONFIG_DYNAMIC_DEBUG)
 580 #define acpi_handle_debug(handle, fmt, ...)                             \
 581         acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
 582 #else
 583 #define acpi_handle_debug(handle, fmt, ...)                             \
 584 ({                                                                      \
 585         if (0)                                                          \
 586                 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
 587         0;                                                              \
 588 })
 589 #endif
 590
 591 #endif  /*_LINUX_ACPI_H*/