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