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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 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 19 */ 20 21#ifndef _LINUX_ACPI_H 22#define _LINUX_ACPI_H 23 24#include <linux/errno.h> 25#include <linux/ioport.h> /* for struct resource */ 26#include <linux/resource_ext.h> 27#include <linux/device.h> 28#include <linux/property.h> 29 30#ifndef _LINUX 31#define _LINUX 32#endif 33#include <acpi/acpi.h> 34 35#ifdef CONFIG_ACPI 36 37#include <linux/list.h> 38#include <linux/mod_devicetable.h> 39#include <linux/dynamic_debug.h> 40 41#include <acpi/acpi_bus.h> 42#include <acpi/acpi_drivers.h> 43#include <acpi/acpi_numa.h> 44#include <acpi/acpi_io.h> 45#include <asm/acpi.h> 46 47static inline acpi_handle acpi_device_handle(struct acpi_device *adev) 48{ 49 return adev ? adev->handle : NULL; 50} 51 52#define ACPI_COMPANION(dev) to_acpi_node((dev)->fwnode) 53#define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \ 54 acpi_fwnode_handle(adev) : NULL) 55#define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev)) 56 57/** 58 * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with 59 * the PCI-defined class-code information 60 * 61 * @_cls : the class, subclass, prog-if triple for this device 62 * @_msk : the class mask for this device 63 * 64 * This macro is used to create a struct acpi_device_id that matches a 65 * specific PCI class. The .id and .driver_data fields will be left 66 * initialized with the default value. 67 */ 68#define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (_cls), .cls_msk = (_msk), 69 70static inline bool has_acpi_companion(struct device *dev) 71{ 72 return is_acpi_node(dev->fwnode); 73} 74 75static inline void acpi_preset_companion(struct device *dev, 76 struct acpi_device *parent, u64 addr) 77{ 78 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL)); 79} 80 81static inline const char *acpi_dev_name(struct acpi_device *adev) 82{ 83 return dev_name(&adev->dev); 84} 85 86enum acpi_irq_model_id { 87 ACPI_IRQ_MODEL_PIC = 0, 88 ACPI_IRQ_MODEL_IOAPIC, 89 ACPI_IRQ_MODEL_IOSAPIC, 90 ACPI_IRQ_MODEL_PLATFORM, 91 ACPI_IRQ_MODEL_GIC, 92 ACPI_IRQ_MODEL_COUNT 93}; 94 95extern enum acpi_irq_model_id acpi_irq_model; 96 97enum acpi_interrupt_id { 98 ACPI_INTERRUPT_PMI = 1, 99 ACPI_INTERRUPT_INIT, 100 ACPI_INTERRUPT_CPEI, 101 ACPI_INTERRUPT_COUNT 102}; 103 104#define ACPI_SPACE_MEM 0 105 106enum acpi_address_range_id { 107 ACPI_ADDRESS_RANGE_MEMORY = 1, 108 ACPI_ADDRESS_RANGE_RESERVED = 2, 109 ACPI_ADDRESS_RANGE_ACPI = 3, 110 ACPI_ADDRESS_RANGE_NVS = 4, 111 ACPI_ADDRESS_RANGE_COUNT 112}; 113 114 115/* Table Handlers */ 116 117typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table); 118 119typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header, 120 const unsigned long end); 121 122#ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE 123void acpi_initrd_override(void *data, size_t size); 124#else 125static inline void acpi_initrd_override(void *data, size_t size) 126{ 127} 128#endif 129 130#define BAD_MADT_ENTRY(entry, end) ( \ 131 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \ 132 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry)) 133 134char * __acpi_map_table (unsigned long phys_addr, unsigned long size); 135void __acpi_unmap_table(char *map, unsigned long size); 136int early_acpi_boot_init(void); 137int acpi_boot_init (void); 138void acpi_boot_table_init (void); 139int acpi_mps_check (void); 140int acpi_numa_init (void); 141 142int acpi_table_init (void); 143int acpi_table_parse(char *id, acpi_tbl_table_handler handler); 144int __init acpi_parse_entries(char *id, unsigned long table_size, 145 acpi_tbl_entry_handler handler, 146 struct acpi_table_header *table_header, 147 int entry_id, unsigned int max_entries); 148int __init acpi_table_parse_entries(char *id, unsigned long table_size, 149 int entry_id, 150 acpi_tbl_entry_handler handler, 151 unsigned int max_entries); 152int acpi_table_parse_madt(enum acpi_madt_type id, 153 acpi_tbl_entry_handler handler, 154 unsigned int max_entries); 155int acpi_parse_mcfg (struct acpi_table_header *header); 156void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); 157 158/* the following four functions are architecture-dependent */ 159void acpi_numa_slit_init (struct acpi_table_slit *slit); 160void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); 161void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); 162int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma); 163void acpi_numa_arch_fixup(void); 164 165#ifndef PHYS_CPUID_INVALID 166typedef u32 phys_cpuid_t; 167#define PHYS_CPUID_INVALID (phys_cpuid_t)(-1) 168#endif 169 170static inline bool invalid_logical_cpuid(u32 cpuid) 171{ 172 return (int)cpuid < 0; 173} 174 175static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id) 176{ 177 return phys_id == PHYS_CPUID_INVALID; 178} 179 180#ifdef CONFIG_ACPI_HOTPLUG_CPU 181/* Arch dependent functions for cpu hotplug support */ 182int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, int *pcpu); 183int acpi_unmap_cpu(int cpu); 184#endif /* CONFIG_ACPI_HOTPLUG_CPU */ 185 186#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 187int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr); 188#endif 189 190int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); 191int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); 192int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base); 193void acpi_irq_stats_init(void); 194extern u32 acpi_irq_handled; 195extern u32 acpi_irq_not_handled; 196 197extern int sbf_port; 198extern unsigned long acpi_realmode_flags; 199 200int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); 201int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 202int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); 203 204#ifdef CONFIG_X86_IO_APIC 205extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); 206#else 207#define acpi_get_override_irq(gsi, trigger, polarity) (-1) 208#endif 209/* 210 * This function undoes the effect of one call to acpi_register_gsi(). 211 * If this matches the last registration, any IRQ resources for gsi 212 * are freed. 213 */ 214void acpi_unregister_gsi (u32 gsi); 215 216struct pci_dev; 217 218int acpi_pci_irq_enable (struct pci_dev *dev); 219void acpi_penalize_isa_irq(int irq, int active); 220bool acpi_isa_irq_available(int irq); 221void acpi_penalize_sci_irq(int irq, int trigger, int polarity); 222void acpi_pci_irq_disable (struct pci_dev *dev); 223 224extern int ec_read(u8 addr, u8 *val); 225extern int ec_write(u8 addr, u8 val); 226extern int ec_transaction(u8 command, 227 const u8 *wdata, unsigned wdata_len, 228 u8 *rdata, unsigned rdata_len); 229extern acpi_handle ec_get_handle(void); 230 231extern bool acpi_is_pnp_device(struct acpi_device *); 232 233#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 234 235typedef void (*wmi_notify_handler) (u32 value, void *context); 236 237extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 238 u32 method_id, 239 const struct acpi_buffer *in, 240 struct acpi_buffer *out); 241extern acpi_status wmi_query_block(const char *guid, u8 instance, 242 struct acpi_buffer *out); 243extern acpi_status wmi_set_block(const char *guid, u8 instance, 244 const struct acpi_buffer *in); 245extern acpi_status wmi_install_notify_handler(const char *guid, 246 wmi_notify_handler handler, void *data); 247extern acpi_status wmi_remove_notify_handler(const char *guid); 248extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); 249extern bool wmi_has_guid(const char *guid); 250 251#endif /* CONFIG_ACPI_WMI */ 252 253#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 254#define ACPI_VIDEO_DEVICE_POSTING 0x0002 255#define ACPI_VIDEO_ROM_AVAILABLE 0x0004 256#define ACPI_VIDEO_BACKLIGHT 0x0008 257#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 258#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 259#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 260#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 261#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 262#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 263#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 264#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 265 266extern char acpi_video_backlight_string[]; 267extern long acpi_is_video_device(acpi_handle handle); 268extern int acpi_blacklisted(void); 269extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d); 270extern void acpi_osi_setup(char *str); 271extern bool acpi_osi_is_win8(void); 272 273#ifdef CONFIG_ACPI_NUMA 274int acpi_map_pxm_to_online_node(int pxm); 275int acpi_get_node(acpi_handle handle); 276#else 277static inline int acpi_map_pxm_to_online_node(int pxm) 278{ 279 return 0; 280} 281static inline int acpi_get_node(acpi_handle handle) 282{ 283 return 0; 284} 285#endif 286extern int acpi_paddr_to_node(u64 start_addr, u64 size); 287 288extern int pnpacpi_disabled; 289 290#define PXM_INVAL (-1) 291 292bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res); 293bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res); 294bool acpi_dev_resource_address_space(struct acpi_resource *ares, 295 struct resource_win *win); 296bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, 297 struct resource_win *win); 298unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable); 299bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, 300 struct resource *res); 301 302void acpi_dev_free_resource_list(struct list_head *list); 303int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, 304 int (*preproc)(struct acpi_resource *, void *), 305 void *preproc_data); 306int acpi_dev_filter_resource_type(struct acpi_resource *ares, 307 unsigned long types); 308 309static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares, 310 void *arg) 311{ 312 return acpi_dev_filter_resource_type(ares, (unsigned long)arg); 313} 314 315int acpi_check_resource_conflict(const struct resource *res); 316 317int acpi_check_region(resource_size_t start, resource_size_t n, 318 const char *name); 319 320int acpi_resources_are_enforced(void); 321 322#ifdef CONFIG_HIBERNATION 323void __init acpi_no_s4_hw_signature(void); 324#endif 325 326#ifdef CONFIG_PM_SLEEP 327void __init acpi_old_suspend_ordering(void); 328void __init acpi_nvs_nosave(void); 329void __init acpi_nvs_nosave_s3(void); 330#endif /* CONFIG_PM_SLEEP */ 331 332struct acpi_osc_context { 333 char *uuid_str; /* UUID string */ 334 int rev; 335 struct acpi_buffer cap; /* list of DWORD capabilities */ 336 struct acpi_buffer ret; /* free by caller if success */ 337}; 338 339acpi_status acpi_str_to_uuid(char *str, u8 *uuid); 340acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); 341 342/* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */ 343#define OSC_QUERY_DWORD 0 /* DWORD 1 */ 344#define OSC_SUPPORT_DWORD 1 /* DWORD 2 */ 345#define OSC_CONTROL_DWORD 2 /* DWORD 3 */ 346 347/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */ 348#define OSC_QUERY_ENABLE 0x00000001 /* input */ 349#define OSC_REQUEST_ERROR 0x00000002 /* return */ 350#define OSC_INVALID_UUID_ERROR 0x00000004 /* return */ 351#define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */ 352#define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */ 353 354/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */ 355#define OSC_SB_PAD_SUPPORT 0x00000001 356#define OSC_SB_PPC_OST_SUPPORT 0x00000002 357#define OSC_SB_PR3_SUPPORT 0x00000004 358#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008 359#define OSC_SB_APEI_SUPPORT 0x00000010 360#define OSC_SB_CPC_SUPPORT 0x00000020 361 362extern bool osc_sb_apei_support_acked; 363 364/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */ 365#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001 366#define OSC_PCI_ASPM_SUPPORT 0x00000002 367#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004 368#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008 369#define OSC_PCI_MSI_SUPPORT 0x00000010 370#define OSC_PCI_SUPPORT_MASKS 0x0000001f 371 372/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */ 373#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001 374#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002 375#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004 376#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008 377#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010 378#define OSC_PCI_CONTROL_MASKS 0x0000001f 379 380#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002 381#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004 382#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006 383#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008 384#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A 385#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B 386#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C 387#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D 388#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E 389#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F 390 391extern acpi_status acpi_pci_osc_control_set(acpi_handle handle, 392 u32 *mask, u32 req); 393 394/* Enable _OST when all relevant hotplug operations are enabled */ 395#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ 396 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \ 397 defined(CONFIG_ACPI_CONTAINER) 398#define ACPI_HOTPLUG_OST 399#endif 400 401/* _OST Source Event Code (OSPM Action) */ 402#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100 403#define ACPI_OST_EC_OSPM_EJECT 0x103 404#define ACPI_OST_EC_OSPM_INSERTION 0x200 405 406/* _OST General Processing Status Code */ 407#define ACPI_OST_SC_SUCCESS 0x0 408#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1 409#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2 410 411/* _OST OS Shutdown Processing (0x100) Status Code */ 412#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80 413#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81 414#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82 415#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83 416 417/* _OST Ejection Request (0x3, 0x103) Status Code */ 418#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80 419#define ACPI_OST_SC_DEVICE_IN_USE 0x81 420#define ACPI_OST_SC_DEVICE_BUSY 0x82 421#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83 422#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84 423 424/* _OST Insertion Request (0x200) Status Code */ 425#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80 426#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 427#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 428 429extern void acpi_early_init(void); 430extern void acpi_subsystem_init(void); 431 432extern int acpi_nvs_register(__u64 start, __u64 size); 433 434extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 435 void *data); 436 437const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, 438 const struct device *dev); 439 440extern bool acpi_driver_match_device(struct device *dev, 441 const struct device_driver *drv); 442int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *); 443int acpi_device_modalias(struct device *, char *, int); 444void acpi_walk_dep_device_list(acpi_handle handle); 445 446struct platform_device *acpi_create_platform_device(struct acpi_device *); 447#define ACPI_PTR(_ptr) (_ptr) 448 449#else /* !CONFIG_ACPI */ 450 451#define acpi_disabled 1 452 453#define ACPI_COMPANION(dev) (NULL) 454#define ACPI_COMPANION_SET(dev, adev) do { } while (0) 455#define ACPI_HANDLE(dev) (NULL) 456#define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0), 457 458struct fwnode_handle; 459 460static inline bool is_acpi_node(struct fwnode_handle *fwnode) 461{ 462 return false; 463} 464 465static inline struct acpi_device *to_acpi_node(struct fwnode_handle *fwnode) 466{ 467 return NULL; 468} 469 470static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) 471{ 472 return NULL; 473} 474 475static inline bool has_acpi_companion(struct device *dev) 476{ 477 return false; 478} 479 480static inline const char *acpi_dev_name(struct acpi_device *adev) 481{ 482 return NULL; 483} 484 485static inline void acpi_early_init(void) { } 486static inline void acpi_subsystem_init(void) { } 487 488static inline int early_acpi_boot_init(void) 489{ 490 return 0; 491} 492static inline int acpi_boot_init(void) 493{ 494 return 0; 495} 496 497static inline void acpi_boot_table_init(void) 498{ 499 return; 500} 501 502static inline int acpi_mps_check(void) 503{ 504 return 0; 505} 506 507static inline int acpi_check_resource_conflict(struct resource *res) 508{ 509 return 0; 510} 511 512static inline int acpi_check_region(resource_size_t start, resource_size_t n, 513 const char *name) 514{ 515 return 0; 516} 517 518struct acpi_table_header; 519static inline int acpi_table_parse(char *id, 520 int (*handler)(struct acpi_table_header *)) 521{ 522 return -ENODEV; 523} 524 525static inline int acpi_nvs_register(__u64 start, __u64 size) 526{ 527 return 0; 528} 529 530static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 531 void *data) 532{ 533 return 0; 534} 535 536struct acpi_device_id; 537 538static inline const struct acpi_device_id *acpi_match_device( 539 const struct acpi_device_id *ids, const struct device *dev) 540{ 541 return NULL; 542} 543 544static inline bool acpi_driver_match_device(struct device *dev, 545 const struct device_driver *drv) 546{ 547 return false; 548} 549 550static inline int acpi_device_uevent_modalias(struct device *dev, 551 struct kobj_uevent_env *env) 552{ 553 return -ENODEV; 554} 555 556static inline int acpi_device_modalias(struct device *dev, 557 char *buf, int size) 558{ 559 return -ENODEV; 560} 561 562static inline bool acpi_check_dma(struct acpi_device *adev, bool *coherent) 563{ 564 return false; 565} 566 567#define ACPI_PTR(_ptr) (NULL) 568 569#endif /* !CONFIG_ACPI */ 570 571#ifdef CONFIG_ACPI 572void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, 573 u32 pm1a_ctrl, u32 pm1b_ctrl)); 574 575acpi_status acpi_os_prepare_sleep(u8 sleep_state, 576 u32 pm1a_control, u32 pm1b_control); 577 578void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, 579 u32 val_a, u32 val_b)); 580 581acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, 582 u32 val_a, u32 val_b); 583 584#ifdef CONFIG_X86 585void arch_reserve_mem_area(acpi_physical_address addr, size_t size); 586#else 587static inline void arch_reserve_mem_area(acpi_physical_address addr, 588 size_t size) 589{ 590} 591#endif /* CONFIG_X86 */ 592#else 593#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) 594#endif 595 596#if defined(CONFIG_ACPI) && defined(CONFIG_PM) 597int acpi_dev_runtime_suspend(struct device *dev); 598int acpi_dev_runtime_resume(struct device *dev); 599int acpi_subsys_runtime_suspend(struct device *dev); 600int acpi_subsys_runtime_resume(struct device *dev); 601struct acpi_device *acpi_dev_pm_get_node(struct device *dev); 602int acpi_dev_pm_attach(struct device *dev, bool power_on); 603#else 604static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; } 605static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; } 606static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } 607static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } 608static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev) 609{ 610 return NULL; 611} 612static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) 613{ 614 return -ENODEV; 615} 616#endif 617 618#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) 619int acpi_dev_suspend_late(struct device *dev); 620int acpi_dev_resume_early(struct device *dev); 621int acpi_subsys_prepare(struct device *dev); 622void acpi_subsys_complete(struct device *dev); 623int acpi_subsys_suspend_late(struct device *dev); 624int acpi_subsys_resume_early(struct device *dev); 625int acpi_subsys_suspend(struct device *dev); 626int acpi_subsys_freeze(struct device *dev); 627#else 628static inline int acpi_dev_suspend_late(struct device *dev) { return 0; } 629static inline int acpi_dev_resume_early(struct device *dev) { return 0; } 630static inline int acpi_subsys_prepare(struct device *dev) { return 0; } 631static inline void acpi_subsys_complete(struct device *dev) {} 632static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } 633static inline int acpi_subsys_resume_early(struct device *dev) { return 0; } 634static inline int acpi_subsys_suspend(struct device *dev) { return 0; } 635static inline int acpi_subsys_freeze(struct device *dev) { return 0; } 636#endif 637 638#ifdef CONFIG_ACPI 639__printf(3, 4) 640void acpi_handle_printk(const char *level, acpi_handle handle, 641 const char *fmt, ...); 642#else /* !CONFIG_ACPI */ 643static inline __printf(3, 4) void 644acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} 645#endif /* !CONFIG_ACPI */ 646 647#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) 648__printf(3, 4) 649void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); 650#else 651#define __acpi_handle_debug(descriptor, handle, fmt, ...) \ 652 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); 653#endif 654 655/* 656 * acpi_handle_<level>: Print message with ACPI prefix and object path 657 * 658 * These interfaces acquire the global namespace mutex to obtain an object 659 * path. In interrupt context, it shows the object path as <n/a>. 660 */ 661#define acpi_handle_emerg(handle, fmt, ...) \ 662 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) 663#define acpi_handle_alert(handle, fmt, ...) \ 664 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) 665#define acpi_handle_crit(handle, fmt, ...) \ 666 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) 667#define acpi_handle_err(handle, fmt, ...) \ 668 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) 669#define acpi_handle_warn(handle, fmt, ...) \ 670 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) 671#define acpi_handle_notice(handle, fmt, ...) \ 672 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) 673#define acpi_handle_info(handle, fmt, ...) \ 674 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) 675 676#if defined(DEBUG) 677#define acpi_handle_debug(handle, fmt, ...) \ 678 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) 679#else 680#if defined(CONFIG_DYNAMIC_DEBUG) 681#define acpi_handle_debug(handle, fmt, ...) \ 682do { \ 683 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \ 684 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \ 685 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \ 686 ##__VA_ARGS__); \ 687} while (0) 688#else 689#define acpi_handle_debug(handle, fmt, ...) \ 690({ \ 691 if (0) \ 692 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ 693 0; \ 694}) 695#endif 696#endif 697 698struct acpi_gpio_params { 699 unsigned int crs_entry_index; 700 unsigned int line_index; 701 bool active_low; 702}; 703 704struct acpi_gpio_mapping { 705 const char *name; 706 const struct acpi_gpio_params *data; 707 unsigned int size; 708}; 709 710#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) 711int acpi_dev_add_driver_gpios(struct acpi_device *adev, 712 const struct acpi_gpio_mapping *gpios); 713 714static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) 715{ 716 if (adev) 717 adev->driver_gpios = NULL; 718} 719 720int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index); 721#else 722static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev, 723 const struct acpi_gpio_mapping *gpios) 724{ 725 return -ENXIO; 726} 727static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {} 728 729static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) 730{ 731 return -ENXIO; 732} 733#endif 734 735/* Device properties */ 736 737#define MAX_ACPI_REFERENCE_ARGS 8 738struct acpi_reference_args { 739 struct acpi_device *adev; 740 size_t nargs; 741 u64 args[MAX_ACPI_REFERENCE_ARGS]; 742}; 743 744#ifdef CONFIG_ACPI 745int acpi_dev_get_property(struct acpi_device *adev, const char *name, 746 acpi_object_type type, const union acpi_object **obj); 747int acpi_dev_get_property_array(struct acpi_device *adev, const char *name, 748 acpi_object_type type, 749 const union acpi_object **obj); 750int acpi_dev_get_property_reference(struct acpi_device *adev, 751 const char *name, size_t index, 752 struct acpi_reference_args *args); 753 754int acpi_dev_prop_get(struct acpi_device *adev, const char *propname, 755 void **valptr); 756int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname, 757 enum dev_prop_type proptype, void *val); 758int acpi_dev_prop_read(struct acpi_device *adev, const char *propname, 759 enum dev_prop_type proptype, void *val, size_t nval); 760 761struct acpi_device *acpi_get_next_child(struct device *dev, 762 struct acpi_device *child); 763#else 764static inline int acpi_dev_get_property(struct acpi_device *adev, 765 const char *name, acpi_object_type type, 766 const union acpi_object **obj) 767{ 768 return -ENXIO; 769} 770static inline int acpi_dev_get_property_array(struct acpi_device *adev, 771 const char *name, 772 acpi_object_type type, 773 const union acpi_object **obj) 774{ 775 return -ENXIO; 776} 777static inline int acpi_dev_get_property_reference(struct acpi_device *adev, 778 const char *name, const char *cells_name, 779 size_t index, struct acpi_reference_args *args) 780{ 781 return -ENXIO; 782} 783 784static inline int acpi_dev_prop_get(struct acpi_device *adev, 785 const char *propname, 786 void **valptr) 787{ 788 return -ENXIO; 789} 790 791static inline int acpi_dev_prop_read_single(struct acpi_device *adev, 792 const char *propname, 793 enum dev_prop_type proptype, 794 void *val) 795{ 796 return -ENXIO; 797} 798 799static inline int acpi_dev_prop_read(struct acpi_device *adev, 800 const char *propname, 801 enum dev_prop_type proptype, 802 void *val, size_t nval) 803{ 804 return -ENXIO; 805} 806 807static inline struct acpi_device *acpi_get_next_child(struct device *dev, 808 struct acpi_device *child) 809{ 810 return NULL; 811} 812 813#endif 814 815#endif /*_LINUX_ACPI_H*/