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