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); 201void acpi_penalize_sci_irq(int irq, int trigger, int polarity); 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); 443extern void acpi_subsystem_init(void); 444 445extern int acpi_nvs_register(__u64 start, __u64 size); 446 447extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 448 void *data); 449 450const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, 451 const struct device *dev); 452 453extern bool acpi_driver_match_device(struct device *dev, 454 const struct device_driver *drv); 455int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *); 456int acpi_device_modalias(struct device *, char *, int); 457void acpi_walk_dep_device_list(acpi_handle handle); 458 459struct platform_device *acpi_create_platform_device(struct acpi_device *); 460#define ACPI_PTR(_ptr) (_ptr) 461 462#else /* !CONFIG_ACPI */ 463 464#define acpi_disabled 1 465 466#define ACPI_COMPANION(dev) (NULL) 467#define ACPI_COMPANION_SET(dev, adev) do { } while (0) 468#define ACPI_HANDLE(dev) (NULL) 469 470struct fwnode_handle; 471 472static inline bool is_acpi_node(struct fwnode_handle *fwnode) 473{ 474 return false; 475} 476 477static inline struct acpi_device *acpi_node(struct fwnode_handle *fwnode) 478{ 479 return NULL; 480} 481 482static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) 483{ 484 return NULL; 485} 486 487static inline bool has_acpi_companion(struct device *dev) 488{ 489 return false; 490} 491 492static inline const char *acpi_dev_name(struct acpi_device *adev) 493{ 494 return NULL; 495} 496 497static inline void acpi_early_init(void) { } 498static inline void acpi_subsystem_init(void) { } 499 500static inline int early_acpi_boot_init(void) 501{ 502 return 0; 503} 504static inline int acpi_boot_init(void) 505{ 506 return 0; 507} 508 509static inline void acpi_boot_table_init(void) 510{ 511 return; 512} 513 514static inline int acpi_mps_check(void) 515{ 516 return 0; 517} 518 519static inline int acpi_check_resource_conflict(struct resource *res) 520{ 521 return 0; 522} 523 524static inline int acpi_check_region(resource_size_t start, resource_size_t n, 525 const char *name) 526{ 527 return 0; 528} 529 530struct acpi_table_header; 531static inline int acpi_table_parse(char *id, 532 int (*handler)(struct acpi_table_header *)) 533{ 534 return -ENODEV; 535} 536 537static inline int acpi_nvs_register(__u64 start, __u64 size) 538{ 539 return 0; 540} 541 542static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 543 void *data) 544{ 545 return 0; 546} 547 548struct acpi_device_id; 549 550static inline const struct acpi_device_id *acpi_match_device( 551 const struct acpi_device_id *ids, const struct device *dev) 552{ 553 return NULL; 554} 555 556static inline bool acpi_driver_match_device(struct device *dev, 557 const struct device_driver *drv) 558{ 559 return false; 560} 561 562static inline int acpi_device_uevent_modalias(struct device *dev, 563 struct kobj_uevent_env *env) 564{ 565 return -ENODEV; 566} 567 568static inline int acpi_device_modalias(struct device *dev, 569 char *buf, int size) 570{ 571 return -ENODEV; 572} 573 574#define ACPI_PTR(_ptr) (NULL) 575 576#endif /* !CONFIG_ACPI */ 577 578#ifdef CONFIG_ACPI 579void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, 580 u32 pm1a_ctrl, u32 pm1b_ctrl)); 581 582acpi_status acpi_os_prepare_sleep(u8 sleep_state, 583 u32 pm1a_control, u32 pm1b_control); 584 585void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, 586 u32 val_a, u32 val_b)); 587 588acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, 589 u32 val_a, u32 val_b); 590 591#ifdef CONFIG_X86 592void arch_reserve_mem_area(acpi_physical_address addr, size_t size); 593#else 594static inline void arch_reserve_mem_area(acpi_physical_address addr, 595 size_t size) 596{ 597} 598#endif /* CONFIG_X86 */ 599#else 600#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) 601#endif 602 603#if defined(CONFIG_ACPI) && defined(CONFIG_PM) 604int acpi_dev_runtime_suspend(struct device *dev); 605int acpi_dev_runtime_resume(struct device *dev); 606int acpi_subsys_runtime_suspend(struct device *dev); 607int acpi_subsys_runtime_resume(struct device *dev); 608struct acpi_device *acpi_dev_pm_get_node(struct device *dev); 609int acpi_dev_pm_attach(struct device *dev, bool power_on); 610#else 611static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; } 612static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; } 613static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } 614static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } 615static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev) 616{ 617 return NULL; 618} 619static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) 620{ 621 return -ENODEV; 622} 623#endif 624 625#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) 626int acpi_dev_suspend_late(struct device *dev); 627int acpi_dev_resume_early(struct device *dev); 628int acpi_subsys_prepare(struct device *dev); 629void acpi_subsys_complete(struct device *dev); 630int acpi_subsys_suspend_late(struct device *dev); 631int acpi_subsys_resume_early(struct device *dev); 632int acpi_subsys_suspend(struct device *dev); 633int acpi_subsys_freeze(struct device *dev); 634#else 635static inline int acpi_dev_suspend_late(struct device *dev) { return 0; } 636static inline int acpi_dev_resume_early(struct device *dev) { return 0; } 637static inline int acpi_subsys_prepare(struct device *dev) { return 0; } 638static inline void acpi_subsys_complete(struct device *dev) {} 639static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } 640static inline int acpi_subsys_resume_early(struct device *dev) { return 0; } 641static inline int acpi_subsys_suspend(struct device *dev) { return 0; } 642static inline int acpi_subsys_freeze(struct device *dev) { return 0; } 643#endif 644 645#ifdef CONFIG_ACPI 646__printf(3, 4) 647void acpi_handle_printk(const char *level, acpi_handle handle, 648 const char *fmt, ...); 649#else /* !CONFIG_ACPI */ 650static inline __printf(3, 4) void 651acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} 652#endif /* !CONFIG_ACPI */ 653 654#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) 655__printf(3, 4) 656void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); 657#else 658#define __acpi_handle_debug(descriptor, handle, fmt, ...) \ 659 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); 660#endif 661 662/* 663 * acpi_handle_<level>: Print message with ACPI prefix and object path 664 * 665 * These interfaces acquire the global namespace mutex to obtain an object 666 * path. In interrupt context, it shows the object path as <n/a>. 667 */ 668#define acpi_handle_emerg(handle, fmt, ...) \ 669 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) 670#define acpi_handle_alert(handle, fmt, ...) \ 671 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) 672#define acpi_handle_crit(handle, fmt, ...) \ 673 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) 674#define acpi_handle_err(handle, fmt, ...) \ 675 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) 676#define acpi_handle_warn(handle, fmt, ...) \ 677 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) 678#define acpi_handle_notice(handle, fmt, ...) \ 679 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) 680#define acpi_handle_info(handle, fmt, ...) \ 681 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) 682 683#if defined(DEBUG) 684#define acpi_handle_debug(handle, fmt, ...) \ 685 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) 686#else 687#if defined(CONFIG_DYNAMIC_DEBUG) 688#define acpi_handle_debug(handle, fmt, ...) \ 689do { \ 690 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \ 691 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \ 692 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \ 693 ##__VA_ARGS__); \ 694} while (0) 695#else 696#define acpi_handle_debug(handle, fmt, ...) \ 697({ \ 698 if (0) \ 699 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ 700 0; \ 701}) 702#endif 703#endif 704 705struct acpi_gpio_params { 706 unsigned int crs_entry_index; 707 unsigned int line_index; 708 bool active_low; 709}; 710 711struct acpi_gpio_mapping { 712 const char *name; 713 const struct acpi_gpio_params *data; 714 unsigned int size; 715}; 716 717#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) 718int acpi_dev_add_driver_gpios(struct acpi_device *adev, 719 const struct acpi_gpio_mapping *gpios); 720 721static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) 722{ 723 if (adev) 724 adev->driver_gpios = NULL; 725} 726#else 727static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev, 728 const struct acpi_gpio_mapping *gpios) 729{ 730 return -ENXIO; 731} 732static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {} 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*/ 816