1 /* 2 * acpi.h - ACPI Interface 3 * 4 * Copyright (C) 2001 Paul Diefenbaugh <[email protected]> 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*/ 592