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