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