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1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * acpi.h - ACPI Interface 4 * 5 * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> 6 */ 7 8#ifndef _LINUX_ACPI_H 9#define _LINUX_ACPI_H 10 11#include <linux/errno.h> 12#include <linux/ioport.h> /* for struct resource */ 13#include <linux/irqdomain.h> 14#include <linux/resource_ext.h> 15#include <linux/device.h> 16#include <linux/property.h> 17#include <linux/uuid.h> 18 19#ifndef _LINUX 20#define _LINUX 21#endif 22#include <acpi/acpi.h> 23 24#ifdef CONFIG_ACPI 25 26#include <linux/list.h> 27#include <linux/mod_devicetable.h> 28#include <linux/dynamic_debug.h> 29#include <linux/module.h> 30#include <linux/mutex.h> 31 32#include <acpi/acpi_bus.h> 33#include <acpi/acpi_drivers.h> 34#include <acpi/acpi_numa.h> 35#include <acpi/acpi_io.h> 36#include <asm/acpi.h> 37 38static inline acpi_handle acpi_device_handle(struct acpi_device *adev) 39{ 40 return adev ? adev->handle : NULL; 41} 42 43#define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode) 44#define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \ 45 acpi_fwnode_handle(adev) : NULL) 46#define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev)) 47#define ACPI_HANDLE_FWNODE(fwnode) \ 48 acpi_device_handle(to_acpi_device_node(fwnode)) 49 50static inline struct fwnode_handle *acpi_alloc_fwnode_static(void) 51{ 52 struct fwnode_handle *fwnode; 53 54 fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL); 55 if (!fwnode) 56 return NULL; 57 58 fwnode_init(fwnode, &acpi_static_fwnode_ops); 59 60 return fwnode; 61} 62 63static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode) 64{ 65 if (WARN_ON(!is_acpi_static_node(fwnode))) 66 return; 67 68 kfree(fwnode); 69} 70 71/** 72 * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with 73 * the PCI-defined class-code information 74 * 75 * @_cls : the class, subclass, prog-if triple for this device 76 * @_msk : the class mask for this device 77 * 78 * This macro is used to create a struct acpi_device_id that matches a 79 * specific PCI class. The .id and .driver_data fields will be left 80 * initialized with the default value. 81 */ 82#define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (_cls), .cls_msk = (_msk), 83 84static inline bool has_acpi_companion(struct device *dev) 85{ 86 return is_acpi_device_node(dev->fwnode); 87} 88 89static inline void acpi_preset_companion(struct device *dev, 90 struct acpi_device *parent, u64 addr) 91{ 92 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false)); 93} 94 95static inline const char *acpi_dev_name(struct acpi_device *adev) 96{ 97 return dev_name(&adev->dev); 98} 99 100struct device *acpi_get_first_physical_node(struct acpi_device *adev); 101 102enum acpi_irq_model_id { 103 ACPI_IRQ_MODEL_PIC = 0, 104 ACPI_IRQ_MODEL_IOAPIC, 105 ACPI_IRQ_MODEL_IOSAPIC, 106 ACPI_IRQ_MODEL_PLATFORM, 107 ACPI_IRQ_MODEL_GIC, 108 ACPI_IRQ_MODEL_LPIC, 109 ACPI_IRQ_MODEL_COUNT 110}; 111 112extern enum acpi_irq_model_id acpi_irq_model; 113 114enum acpi_interrupt_id { 115 ACPI_INTERRUPT_PMI = 1, 116 ACPI_INTERRUPT_INIT, 117 ACPI_INTERRUPT_CPEI, 118 ACPI_INTERRUPT_COUNT 119}; 120 121#define ACPI_SPACE_MEM 0 122 123enum acpi_address_range_id { 124 ACPI_ADDRESS_RANGE_MEMORY = 1, 125 ACPI_ADDRESS_RANGE_RESERVED = 2, 126 ACPI_ADDRESS_RANGE_ACPI = 3, 127 ACPI_ADDRESS_RANGE_NVS = 4, 128 ACPI_ADDRESS_RANGE_COUNT 129}; 130 131 132/* Table Handlers */ 133union acpi_subtable_headers { 134 struct acpi_subtable_header common; 135 struct acpi_hmat_structure hmat; 136 struct acpi_prmt_module_header prmt; 137 struct acpi_cedt_header cedt; 138}; 139 140typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table); 141 142typedef int (*acpi_tbl_entry_handler)(union acpi_subtable_headers *header, 143 const unsigned long end); 144 145typedef int (*acpi_tbl_entry_handler_arg)(union acpi_subtable_headers *header, 146 void *arg, const unsigned long end); 147 148/* Debugger support */ 149 150struct acpi_debugger_ops { 151 int (*create_thread)(acpi_osd_exec_callback function, void *context); 152 ssize_t (*write_log)(const char *msg); 153 ssize_t (*read_cmd)(char *buffer, size_t length); 154 int (*wait_command_ready)(bool single_step, char *buffer, size_t length); 155 int (*notify_command_complete)(void); 156}; 157 158struct acpi_debugger { 159 const struct acpi_debugger_ops *ops; 160 struct module *owner; 161 struct mutex lock; 162}; 163 164#ifdef CONFIG_ACPI_DEBUGGER 165int __init acpi_debugger_init(void); 166int acpi_register_debugger(struct module *owner, 167 const struct acpi_debugger_ops *ops); 168void acpi_unregister_debugger(const struct acpi_debugger_ops *ops); 169int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context); 170ssize_t acpi_debugger_write_log(const char *msg); 171ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length); 172int acpi_debugger_wait_command_ready(void); 173int acpi_debugger_notify_command_complete(void); 174#else 175static inline int acpi_debugger_init(void) 176{ 177 return -ENODEV; 178} 179 180static inline int acpi_register_debugger(struct module *owner, 181 const struct acpi_debugger_ops *ops) 182{ 183 return -ENODEV; 184} 185 186static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops) 187{ 188} 189 190static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function, 191 void *context) 192{ 193 return -ENODEV; 194} 195 196static inline int acpi_debugger_write_log(const char *msg) 197{ 198 return -ENODEV; 199} 200 201static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length) 202{ 203 return -ENODEV; 204} 205 206static inline int acpi_debugger_wait_command_ready(void) 207{ 208 return -ENODEV; 209} 210 211static inline int acpi_debugger_notify_command_complete(void) 212{ 213 return -ENODEV; 214} 215#endif 216 217#define BAD_MADT_ENTRY(entry, end) ( \ 218 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \ 219 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry)) 220 221struct acpi_subtable_proc { 222 int id; 223 acpi_tbl_entry_handler handler; 224 acpi_tbl_entry_handler_arg handler_arg; 225 void *arg; 226 int count; 227}; 228 229void __iomem *__acpi_map_table(unsigned long phys, unsigned long size); 230void __acpi_unmap_table(void __iomem *map, unsigned long size); 231int early_acpi_boot_init(void); 232int acpi_boot_init (void); 233void acpi_boot_table_prepare (void); 234void acpi_boot_table_init (void); 235int acpi_mps_check (void); 236int acpi_numa_init (void); 237 238int acpi_locate_initial_tables (void); 239void acpi_reserve_initial_tables (void); 240void acpi_table_init_complete (void); 241int acpi_table_init (void); 242 243#ifdef CONFIG_ACPI_TABLE_LIB 244#define EXPORT_SYMBOL_ACPI_LIB(x) EXPORT_SYMBOL_NS_GPL(x, ACPI) 245#define __init_or_acpilib 246#define __initdata_or_acpilib 247#else 248#define EXPORT_SYMBOL_ACPI_LIB(x) 249#define __init_or_acpilib __init 250#define __initdata_or_acpilib __initdata 251#endif 252 253int acpi_table_parse(char *id, acpi_tbl_table_handler handler); 254int __init_or_acpilib acpi_table_parse_entries(char *id, 255 unsigned long table_size, int entry_id, 256 acpi_tbl_entry_handler handler, unsigned int max_entries); 257int __init_or_acpilib acpi_table_parse_entries_array(char *id, 258 unsigned long table_size, struct acpi_subtable_proc *proc, 259 int proc_num, unsigned int max_entries); 260int acpi_table_parse_madt(enum acpi_madt_type id, 261 acpi_tbl_entry_handler handler, 262 unsigned int max_entries); 263int __init_or_acpilib 264acpi_table_parse_cedt(enum acpi_cedt_type id, 265 acpi_tbl_entry_handler_arg handler_arg, void *arg); 266 267int acpi_parse_mcfg (struct acpi_table_header *header); 268void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); 269 270/* the following numa functions are architecture-dependent */ 271void acpi_numa_slit_init (struct acpi_table_slit *slit); 272 273#if defined(CONFIG_X86) || defined(CONFIG_IA64) || defined(CONFIG_LOONGARCH) 274void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); 275#else 276static inline void 277acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { } 278#endif 279 280void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); 281 282#if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH) 283void acpi_arch_dma_setup(struct device *dev); 284#else 285static inline void acpi_arch_dma_setup(struct device *dev) { } 286#endif 287 288#ifdef CONFIG_ARM64 289void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa); 290#else 291static inline void 292acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { } 293#endif 294 295int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma); 296 297#ifndef PHYS_CPUID_INVALID 298typedef u32 phys_cpuid_t; 299#define PHYS_CPUID_INVALID (phys_cpuid_t)(-1) 300#endif 301 302static inline bool invalid_logical_cpuid(u32 cpuid) 303{ 304 return (int)cpuid < 0; 305} 306 307static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id) 308{ 309 return phys_id == PHYS_CPUID_INVALID; 310} 311 312/* Validate the processor object's proc_id */ 313bool acpi_duplicate_processor_id(int proc_id); 314/* Processor _CTS control */ 315struct acpi_processor_power; 316 317#ifdef CONFIG_ACPI_PROCESSOR_CSTATE 318bool acpi_processor_claim_cst_control(void); 319int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, 320 struct acpi_processor_power *info); 321#else 322static inline bool acpi_processor_claim_cst_control(void) { return false; } 323static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, 324 struct acpi_processor_power *info) 325{ 326 return -ENODEV; 327} 328#endif 329 330#ifdef CONFIG_ACPI_HOTPLUG_CPU 331/* Arch dependent functions for cpu hotplug support */ 332int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id, 333 int *pcpu); 334int acpi_unmap_cpu(int cpu); 335#endif /* CONFIG_ACPI_HOTPLUG_CPU */ 336 337#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 338int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr); 339#endif 340 341int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); 342int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); 343int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base); 344void acpi_irq_stats_init(void); 345extern u32 acpi_irq_handled; 346extern u32 acpi_irq_not_handled; 347extern unsigned int acpi_sci_irq; 348extern bool acpi_no_s5; 349#define INVALID_ACPI_IRQ ((unsigned)-1) 350static inline bool acpi_sci_irq_valid(void) 351{ 352 return acpi_sci_irq != INVALID_ACPI_IRQ; 353} 354 355extern int sbf_port; 356extern unsigned long acpi_realmode_flags; 357 358int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); 359int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 360int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); 361 362void acpi_set_irq_model(enum acpi_irq_model_id model, 363 struct fwnode_handle *(*)(u32)); 364void acpi_set_gsi_to_irq_fallback(u32 (*)(u32)); 365 366struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags, 367 unsigned int size, 368 struct fwnode_handle *fwnode, 369 const struct irq_domain_ops *ops, 370 void *host_data); 371 372#ifdef CONFIG_X86_IO_APIC 373extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); 374#else 375static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity) 376{ 377 return -1; 378} 379#endif 380/* 381 * This function undoes the effect of one call to acpi_register_gsi(). 382 * If this matches the last registration, any IRQ resources for gsi 383 * are freed. 384 */ 385void acpi_unregister_gsi (u32 gsi); 386 387struct pci_dev; 388 389int acpi_pci_irq_enable (struct pci_dev *dev); 390void acpi_penalize_isa_irq(int irq, int active); 391bool acpi_isa_irq_available(int irq); 392#ifdef CONFIG_PCI 393void acpi_penalize_sci_irq(int irq, int trigger, int polarity); 394#else 395static inline void acpi_penalize_sci_irq(int irq, int trigger, 396 int polarity) 397{ 398} 399#endif 400void acpi_pci_irq_disable (struct pci_dev *dev); 401 402extern int ec_read(u8 addr, u8 *val); 403extern int ec_write(u8 addr, u8 val); 404extern int ec_transaction(u8 command, 405 const u8 *wdata, unsigned wdata_len, 406 u8 *rdata, unsigned rdata_len); 407extern acpi_handle ec_get_handle(void); 408 409extern bool acpi_is_pnp_device(struct acpi_device *); 410 411#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 412 413typedef void (*wmi_notify_handler) (u32 value, void *context); 414 415extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 416 u32 method_id, 417 const struct acpi_buffer *in, 418 struct acpi_buffer *out); 419extern acpi_status wmi_query_block(const char *guid, u8 instance, 420 struct acpi_buffer *out); 421extern acpi_status wmi_set_block(const char *guid, u8 instance, 422 const struct acpi_buffer *in); 423extern acpi_status wmi_install_notify_handler(const char *guid, 424 wmi_notify_handler handler, void *data); 425extern acpi_status wmi_remove_notify_handler(const char *guid); 426extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); 427extern bool wmi_has_guid(const char *guid); 428extern char *wmi_get_acpi_device_uid(const char *guid); 429 430#endif /* CONFIG_ACPI_WMI */ 431 432#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 433#define ACPI_VIDEO_DEVICE_POSTING 0x0002 434#define ACPI_VIDEO_ROM_AVAILABLE 0x0004 435#define ACPI_VIDEO_BACKLIGHT 0x0008 436#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 437#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 438#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 439#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 440#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 441#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 442#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 443#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 444 445extern char acpi_video_backlight_string[]; 446extern long acpi_is_video_device(acpi_handle handle); 447extern int acpi_blacklisted(void); 448extern void acpi_osi_setup(char *str); 449extern bool acpi_osi_is_win8(void); 450 451#ifdef CONFIG_ACPI_NUMA 452int acpi_map_pxm_to_node(int pxm); 453int acpi_get_node(acpi_handle handle); 454 455/** 456 * pxm_to_online_node - Map proximity ID to online node 457 * @pxm: ACPI proximity ID 458 * 459 * This is similar to pxm_to_node(), but always returns an online 460 * node. When the mapped node from a given proximity ID is offline, it 461 * looks up the node distance table and returns the nearest online node. 462 * 463 * ACPI device drivers, which are called after the NUMA initialization has 464 * completed in the kernel, can call this interface to obtain their device 465 * NUMA topology from ACPI tables. Such drivers do not have to deal with 466 * offline nodes. A node may be offline when SRAT memory entry does not exist, 467 * or NUMA is disabled, ex. "numa=off" on x86. 468 */ 469static inline int pxm_to_online_node(int pxm) 470{ 471 int node = pxm_to_node(pxm); 472 473 return numa_map_to_online_node(node); 474} 475#else 476static inline int pxm_to_online_node(int pxm) 477{ 478 return 0; 479} 480static inline int acpi_map_pxm_to_node(int pxm) 481{ 482 return 0; 483} 484static inline int acpi_get_node(acpi_handle handle) 485{ 486 return 0; 487} 488#endif 489extern int acpi_paddr_to_node(u64 start_addr, u64 size); 490 491extern int pnpacpi_disabled; 492 493#define PXM_INVAL (-1) 494 495bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res); 496bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res); 497bool acpi_dev_resource_address_space(struct acpi_resource *ares, 498 struct resource_win *win); 499bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, 500 struct resource_win *win); 501unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, u8 wake_capable); 502unsigned int acpi_dev_get_irq_type(int triggering, int polarity); 503bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, 504 struct resource *res); 505 506void acpi_dev_free_resource_list(struct list_head *list); 507int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, 508 int (*preproc)(struct acpi_resource *, void *), 509 void *preproc_data); 510int acpi_dev_get_dma_resources(struct acpi_device *adev, 511 struct list_head *list); 512int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list); 513int acpi_dev_filter_resource_type(struct acpi_resource *ares, 514 unsigned long types); 515 516static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares, 517 void *arg) 518{ 519 return acpi_dev_filter_resource_type(ares, (unsigned long)arg); 520} 521 522struct acpi_device *acpi_resource_consumer(struct resource *res); 523 524int acpi_check_resource_conflict(const struct resource *res); 525 526int acpi_check_region(resource_size_t start, resource_size_t n, 527 const char *name); 528 529int acpi_resources_are_enforced(void); 530 531#ifdef CONFIG_HIBERNATION 532extern int acpi_check_s4_hw_signature; 533#endif 534 535#ifdef CONFIG_PM_SLEEP 536void __init acpi_old_suspend_ordering(void); 537void __init acpi_nvs_nosave(void); 538void __init acpi_nvs_nosave_s3(void); 539void __init acpi_sleep_no_blacklist(void); 540#endif /* CONFIG_PM_SLEEP */ 541 542int acpi_register_wakeup_handler( 543 int wake_irq, bool (*wakeup)(void *context), void *context); 544void acpi_unregister_wakeup_handler( 545 bool (*wakeup)(void *context), void *context); 546 547struct acpi_osc_context { 548 char *uuid_str; /* UUID string */ 549 int rev; 550 struct acpi_buffer cap; /* list of DWORD capabilities */ 551 struct acpi_buffer ret; /* free by caller if success */ 552}; 553 554acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); 555 556/* Number of _OSC capability DWORDS depends on bridge type */ 557#define OSC_PCI_CAPABILITY_DWORDS 3 558#define OSC_CXL_CAPABILITY_DWORDS 5 559 560/* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */ 561#define OSC_QUERY_DWORD 0 /* DWORD 1 */ 562#define OSC_SUPPORT_DWORD 1 /* DWORD 2 */ 563#define OSC_CONTROL_DWORD 2 /* DWORD 3 */ 564#define OSC_EXT_SUPPORT_DWORD 3 /* DWORD 4 */ 565#define OSC_EXT_CONTROL_DWORD 4 /* DWORD 5 */ 566 567/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */ 568#define OSC_QUERY_ENABLE 0x00000001 /* input */ 569#define OSC_REQUEST_ERROR 0x00000002 /* return */ 570#define OSC_INVALID_UUID_ERROR 0x00000004 /* return */ 571#define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */ 572#define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */ 573 574/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */ 575#define OSC_SB_PAD_SUPPORT 0x00000001 576#define OSC_SB_PPC_OST_SUPPORT 0x00000002 577#define OSC_SB_PR3_SUPPORT 0x00000004 578#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008 579#define OSC_SB_APEI_SUPPORT 0x00000010 580#define OSC_SB_CPC_SUPPORT 0x00000020 581#define OSC_SB_CPCV2_SUPPORT 0x00000040 582#define OSC_SB_PCLPI_SUPPORT 0x00000080 583#define OSC_SB_OSLPI_SUPPORT 0x00000100 584#define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 585#define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00002000 586#define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000 587#define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000 588#define OSC_SB_PRM_SUPPORT 0x00200000 589 590extern bool osc_sb_apei_support_acked; 591extern bool osc_pc_lpi_support_confirmed; 592extern bool osc_sb_native_usb4_support_confirmed; 593extern bool osc_sb_cppc2_support_acked; 594extern bool osc_cpc_flexible_adr_space_confirmed; 595 596/* USB4 Capabilities */ 597#define OSC_USB_USB3_TUNNELING 0x00000001 598#define OSC_USB_DP_TUNNELING 0x00000002 599#define OSC_USB_PCIE_TUNNELING 0x00000004 600#define OSC_USB_XDOMAIN 0x00000008 601 602extern u32 osc_sb_native_usb4_control; 603 604/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */ 605#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001 606#define OSC_PCI_ASPM_SUPPORT 0x00000002 607#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004 608#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008 609#define OSC_PCI_MSI_SUPPORT 0x00000010 610#define OSC_PCI_EDR_SUPPORT 0x00000080 611#define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100 612 613/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */ 614#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001 615#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002 616#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004 617#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008 618#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010 619#define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020 620#define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080 621 622/* CXL _OSC: Capabilities DWORD 4: Support Field */ 623#define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT 0x00000001 624#define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT 0x00000002 625#define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT 0x00000004 626#define OSC_CXL_NATIVE_HP_SUPPORT 0x00000008 627 628/* CXL _OSC: Capabilities DWORD 5: Control Field */ 629#define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001 630 631static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context) 632{ 633 u32 *ret = context->ret.pointer; 634 635 return ret[OSC_CONTROL_DWORD]; 636} 637 638static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context) 639{ 640 u32 *ret = context->ret.pointer; 641 642 return ret[OSC_EXT_CONTROL_DWORD]; 643} 644 645#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002 646#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004 647#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006 648#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008 649#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A 650#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B 651#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C 652#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D 653#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E 654#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F 655 656/* Enable _OST when all relevant hotplug operations are enabled */ 657#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ 658 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \ 659 defined(CONFIG_ACPI_CONTAINER) 660#define ACPI_HOTPLUG_OST 661#endif 662 663/* _OST Source Event Code (OSPM Action) */ 664#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100 665#define ACPI_OST_EC_OSPM_EJECT 0x103 666#define ACPI_OST_EC_OSPM_INSERTION 0x200 667 668/* _OST General Processing Status Code */ 669#define ACPI_OST_SC_SUCCESS 0x0 670#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1 671#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2 672 673/* _OST OS Shutdown Processing (0x100) Status Code */ 674#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80 675#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81 676#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82 677#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83 678 679/* _OST Ejection Request (0x3, 0x103) Status Code */ 680#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80 681#define ACPI_OST_SC_DEVICE_IN_USE 0x81 682#define ACPI_OST_SC_DEVICE_BUSY 0x82 683#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83 684#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84 685 686/* _OST Insertion Request (0x200) Status Code */ 687#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80 688#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 689#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 690 691enum acpi_predicate { 692 all_versions, 693 less_than_or_equal, 694 equal, 695 greater_than_or_equal, 696}; 697 698/* Table must be terminted by a NULL entry */ 699struct acpi_platform_list { 700 char oem_id[ACPI_OEM_ID_SIZE+1]; 701 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1]; 702 u32 oem_revision; 703 char *table; 704 enum acpi_predicate pred; 705 char *reason; 706 u32 data; 707}; 708int acpi_match_platform_list(const struct acpi_platform_list *plat); 709 710extern void acpi_early_init(void); 711extern void acpi_subsystem_init(void); 712extern void arch_post_acpi_subsys_init(void); 713 714extern int acpi_nvs_register(__u64 start, __u64 size); 715 716extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 717 void *data); 718 719const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, 720 const struct device *dev); 721 722const void *acpi_device_get_match_data(const struct device *dev); 723extern bool acpi_driver_match_device(struct device *dev, 724 const struct device_driver *drv); 725int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *); 726int acpi_device_modalias(struct device *, char *, int); 727 728struct platform_device *acpi_create_platform_device(struct acpi_device *, 729 const struct property_entry *); 730#define ACPI_PTR(_ptr) (_ptr) 731 732static inline void acpi_device_set_enumerated(struct acpi_device *adev) 733{ 734 adev->flags.visited = true; 735} 736 737static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 738{ 739 adev->flags.visited = false; 740} 741 742enum acpi_reconfig_event { 743 ACPI_RECONFIG_DEVICE_ADD = 0, 744 ACPI_RECONFIG_DEVICE_REMOVE, 745}; 746 747int acpi_reconfig_notifier_register(struct notifier_block *nb); 748int acpi_reconfig_notifier_unregister(struct notifier_block *nb); 749 750#ifdef CONFIG_ACPI_GTDT 751int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count); 752int acpi_gtdt_map_ppi(int type); 753bool acpi_gtdt_c3stop(int type); 754int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count); 755#endif 756 757#ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER 758static inline void acpi_arch_set_root_pointer(u64 addr) 759{ 760} 761#endif 762 763#ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER 764static inline u64 acpi_arch_get_root_pointer(void) 765{ 766 return 0; 767} 768#endif 769 770int acpi_get_local_address(acpi_handle handle, u32 *addr); 771const char *acpi_get_subsystem_id(acpi_handle handle); 772 773#else /* !CONFIG_ACPI */ 774 775#define acpi_disabled 1 776 777#define ACPI_COMPANION(dev) (NULL) 778#define ACPI_COMPANION_SET(dev, adev) do { } while (0) 779#define ACPI_HANDLE(dev) (NULL) 780#define ACPI_HANDLE_FWNODE(fwnode) (NULL) 781#define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0), 782 783#include <acpi/acpi_numa.h> 784 785struct fwnode_handle; 786 787static inline bool acpi_dev_found(const char *hid) 788{ 789 return false; 790} 791 792static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv) 793{ 794 return false; 795} 796 797struct acpi_device; 798 799static inline bool 800acpi_dev_hid_uid_match(struct acpi_device *adev, const char *hid2, const char *uid2) 801{ 802 return false; 803} 804 805static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer) 806{ 807 return -ENODEV; 808} 809 810static inline struct acpi_device * 811acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv) 812{ 813 return NULL; 814} 815 816static inline bool acpi_reduced_hardware(void) 817{ 818 return false; 819} 820 821static inline void acpi_dev_put(struct acpi_device *adev) {} 822 823static inline bool is_acpi_node(const struct fwnode_handle *fwnode) 824{ 825 return false; 826} 827 828static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode) 829{ 830 return false; 831} 832 833static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode) 834{ 835 return NULL; 836} 837 838static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode) 839{ 840 return false; 841} 842 843static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode) 844{ 845 return NULL; 846} 847 848static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode, 849 const char *name) 850{ 851 return false; 852} 853 854static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) 855{ 856 return NULL; 857} 858 859static inline bool has_acpi_companion(struct device *dev) 860{ 861 return false; 862} 863 864static inline void acpi_preset_companion(struct device *dev, 865 struct acpi_device *parent, u64 addr) 866{ 867} 868 869static inline const char *acpi_dev_name(struct acpi_device *adev) 870{ 871 return NULL; 872} 873 874static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev) 875{ 876 return NULL; 877} 878 879static inline void acpi_early_init(void) { } 880static inline void acpi_subsystem_init(void) { } 881 882static inline int early_acpi_boot_init(void) 883{ 884 return 0; 885} 886static inline int acpi_boot_init(void) 887{ 888 return 0; 889} 890 891static inline void acpi_boot_table_prepare(void) 892{ 893} 894 895static inline void acpi_boot_table_init(void) 896{ 897} 898 899static inline int acpi_mps_check(void) 900{ 901 return 0; 902} 903 904static inline int acpi_check_resource_conflict(struct resource *res) 905{ 906 return 0; 907} 908 909static inline int acpi_check_region(resource_size_t start, resource_size_t n, 910 const char *name) 911{ 912 return 0; 913} 914 915struct acpi_table_header; 916static inline int acpi_table_parse(char *id, 917 int (*handler)(struct acpi_table_header *)) 918{ 919 return -ENODEV; 920} 921 922static inline int acpi_nvs_register(__u64 start, __u64 size) 923{ 924 return 0; 925} 926 927static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 928 void *data) 929{ 930 return 0; 931} 932 933struct acpi_device_id; 934 935static inline const struct acpi_device_id *acpi_match_device( 936 const struct acpi_device_id *ids, const struct device *dev) 937{ 938 return NULL; 939} 940 941static inline const void *acpi_device_get_match_data(const struct device *dev) 942{ 943 return NULL; 944} 945 946static inline bool acpi_driver_match_device(struct device *dev, 947 const struct device_driver *drv) 948{ 949 return false; 950} 951 952static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle, 953 const guid_t *guid, 954 u64 rev, u64 func, 955 union acpi_object *argv4) 956{ 957 return NULL; 958} 959 960static inline int acpi_device_uevent_modalias(struct device *dev, 961 struct kobj_uevent_env *env) 962{ 963 return -ENODEV; 964} 965 966static inline int acpi_device_modalias(struct device *dev, 967 char *buf, int size) 968{ 969 return -ENODEV; 970} 971 972static inline struct platform_device * 973acpi_create_platform_device(struct acpi_device *adev, 974 const struct property_entry *properties) 975{ 976 return NULL; 977} 978 979static inline bool acpi_dma_supported(const struct acpi_device *adev) 980{ 981 return false; 982} 983 984static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev) 985{ 986 return DEV_DMA_NOT_SUPPORTED; 987} 988 989static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map) 990{ 991 return -ENODEV; 992} 993 994static inline int acpi_dma_configure(struct device *dev, 995 enum dev_dma_attr attr) 996{ 997 return 0; 998} 999 1000static inline int acpi_dma_configure_id(struct device *dev, 1001 enum dev_dma_attr attr, 1002 const u32 *input_id) 1003{ 1004 return 0; 1005} 1006 1007#define ACPI_PTR(_ptr) (NULL) 1008 1009static inline void acpi_device_set_enumerated(struct acpi_device *adev) 1010{ 1011} 1012 1013static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 1014{ 1015} 1016 1017static inline int acpi_reconfig_notifier_register(struct notifier_block *nb) 1018{ 1019 return -EINVAL; 1020} 1021 1022static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb) 1023{ 1024 return -EINVAL; 1025} 1026 1027static inline struct acpi_device *acpi_resource_consumer(struct resource *res) 1028{ 1029 return NULL; 1030} 1031 1032static inline int acpi_get_local_address(acpi_handle handle, u32 *addr) 1033{ 1034 return -ENODEV; 1035} 1036 1037static inline const char *acpi_get_subsystem_id(acpi_handle handle) 1038{ 1039 return ERR_PTR(-ENODEV); 1040} 1041 1042static inline int acpi_register_wakeup_handler(int wake_irq, 1043 bool (*wakeup)(void *context), void *context) 1044{ 1045 return -ENXIO; 1046} 1047 1048static inline void acpi_unregister_wakeup_handler( 1049 bool (*wakeup)(void *context), void *context) { } 1050 1051struct acpi_osc_context; 1052static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context) 1053{ 1054 return 0; 1055} 1056 1057static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context) 1058{ 1059 return 0; 1060} 1061 1062#endif /* !CONFIG_ACPI */ 1063 1064#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 1065int acpi_ioapic_add(acpi_handle root); 1066#else 1067static inline int acpi_ioapic_add(acpi_handle root) { return 0; } 1068#endif 1069 1070#ifdef CONFIG_ACPI 1071void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, 1072 u32 pm1a_ctrl, u32 pm1b_ctrl)); 1073 1074acpi_status acpi_os_prepare_sleep(u8 sleep_state, 1075 u32 pm1a_control, u32 pm1b_control); 1076 1077void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, 1078 u32 val_a, u32 val_b)); 1079 1080acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, 1081 u32 val_a, u32 val_b); 1082#ifdef CONFIG_X86 1083struct acpi_s2idle_dev_ops { 1084 struct list_head list_node; 1085 void (*prepare)(void); 1086 void (*check)(void); 1087 void (*restore)(void); 1088}; 1089int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg); 1090void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg); 1091#endif /* CONFIG_X86 */ 1092#ifndef CONFIG_IA64 1093void arch_reserve_mem_area(acpi_physical_address addr, size_t size); 1094#else 1095static inline void arch_reserve_mem_area(acpi_physical_address addr, 1096 size_t size) 1097{ 1098} 1099#endif /* CONFIG_X86 */ 1100#else 1101#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) 1102#endif 1103 1104#if defined(CONFIG_ACPI) && defined(CONFIG_PM) 1105int acpi_dev_suspend(struct device *dev, bool wakeup); 1106int acpi_dev_resume(struct device *dev); 1107int acpi_subsys_runtime_suspend(struct device *dev); 1108int acpi_subsys_runtime_resume(struct device *dev); 1109int acpi_dev_pm_attach(struct device *dev, bool power_on); 1110bool acpi_storage_d3(struct device *dev); 1111bool acpi_dev_state_d0(struct device *dev); 1112#else 1113static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } 1114static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } 1115static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) 1116{ 1117 return 0; 1118} 1119static inline bool acpi_storage_d3(struct device *dev) 1120{ 1121 return false; 1122} 1123static inline bool acpi_dev_state_d0(struct device *dev) 1124{ 1125 return true; 1126} 1127#endif 1128 1129#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) 1130int acpi_subsys_prepare(struct device *dev); 1131void acpi_subsys_complete(struct device *dev); 1132int acpi_subsys_suspend_late(struct device *dev); 1133int acpi_subsys_suspend_noirq(struct device *dev); 1134int acpi_subsys_suspend(struct device *dev); 1135int acpi_subsys_freeze(struct device *dev); 1136int acpi_subsys_poweroff(struct device *dev); 1137void acpi_ec_mark_gpe_for_wake(void); 1138void acpi_ec_set_gpe_wake_mask(u8 action); 1139#else 1140static inline int acpi_subsys_prepare(struct device *dev) { return 0; } 1141static inline void acpi_subsys_complete(struct device *dev) {} 1142static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } 1143static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; } 1144static inline int acpi_subsys_suspend(struct device *dev) { return 0; } 1145static inline int acpi_subsys_freeze(struct device *dev) { return 0; } 1146static inline int acpi_subsys_poweroff(struct device *dev) { return 0; } 1147static inline void acpi_ec_mark_gpe_for_wake(void) {} 1148static inline void acpi_ec_set_gpe_wake_mask(u8 action) {} 1149#endif 1150 1151#ifdef CONFIG_ACPI 1152__printf(3, 4) 1153void acpi_handle_printk(const char *level, acpi_handle handle, 1154 const char *fmt, ...); 1155void acpi_evaluation_failure_warn(acpi_handle handle, const char *name, 1156 acpi_status status); 1157#else /* !CONFIG_ACPI */ 1158static inline __printf(3, 4) void 1159acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} 1160static inline void acpi_evaluation_failure_warn(acpi_handle handle, 1161 const char *name, 1162 acpi_status status) {} 1163#endif /* !CONFIG_ACPI */ 1164 1165#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) 1166__printf(3, 4) 1167void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); 1168#endif 1169 1170/* 1171 * acpi_handle_<level>: Print message with ACPI prefix and object path 1172 * 1173 * These interfaces acquire the global namespace mutex to obtain an object 1174 * path. In interrupt context, it shows the object path as <n/a>. 1175 */ 1176#define acpi_handle_emerg(handle, fmt, ...) \ 1177 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) 1178#define acpi_handle_alert(handle, fmt, ...) \ 1179 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) 1180#define acpi_handle_crit(handle, fmt, ...) \ 1181 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) 1182#define acpi_handle_err(handle, fmt, ...) \ 1183 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) 1184#define acpi_handle_warn(handle, fmt, ...) \ 1185 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) 1186#define acpi_handle_notice(handle, fmt, ...) \ 1187 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) 1188#define acpi_handle_info(handle, fmt, ...) \ 1189 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) 1190 1191#if defined(DEBUG) 1192#define acpi_handle_debug(handle, fmt, ...) \ 1193 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) 1194#else 1195#if defined(CONFIG_DYNAMIC_DEBUG) 1196#define acpi_handle_debug(handle, fmt, ...) \ 1197 _dynamic_func_call(fmt, __acpi_handle_debug, \ 1198 handle, pr_fmt(fmt), ##__VA_ARGS__) 1199#else 1200#define acpi_handle_debug(handle, fmt, ...) \ 1201({ \ 1202 if (0) \ 1203 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ 1204 0; \ 1205}) 1206#endif 1207#endif 1208 1209#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) 1210bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1211 struct acpi_resource_gpio **agpio); 1212bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1213 struct acpi_resource_gpio **agpio); 1214int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name, int index, 1215 bool *wake_capable); 1216#else 1217static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1218 struct acpi_resource_gpio **agpio) 1219{ 1220 return false; 1221} 1222static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1223 struct acpi_resource_gpio **agpio) 1224{ 1225 return false; 1226} 1227static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name, 1228 int index, bool *wake_capable) 1229{ 1230 return -ENXIO; 1231} 1232#endif 1233 1234static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index, 1235 bool *wake_capable) 1236{ 1237 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable); 1238} 1239 1240static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *name, 1241 int index) 1242{ 1243 return acpi_dev_gpio_irq_wake_get_by(adev, name, index, NULL); 1244} 1245 1246static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) 1247{ 1248 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL); 1249} 1250 1251/* Device properties */ 1252 1253#ifdef CONFIG_ACPI 1254int acpi_dev_get_property(const struct acpi_device *adev, const char *name, 1255 acpi_object_type type, const union acpi_object **obj); 1256int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1257 const char *name, size_t index, size_t num_args, 1258 struct fwnode_reference_args *args); 1259 1260static inline int acpi_node_get_property_reference( 1261 const struct fwnode_handle *fwnode, 1262 const char *name, size_t index, 1263 struct fwnode_reference_args *args) 1264{ 1265 return __acpi_node_get_property_reference(fwnode, name, index, 1266 NR_FWNODE_REFERENCE_ARGS, args); 1267} 1268 1269static inline bool acpi_dev_has_props(const struct acpi_device *adev) 1270{ 1271 return !list_empty(&adev->data.properties); 1272} 1273 1274struct acpi_device_properties * 1275acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid, 1276 union acpi_object *properties); 1277 1278int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname, 1279 void **valptr); 1280 1281struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1282 struct fwnode_handle *child); 1283 1284struct acpi_probe_entry; 1285typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *, 1286 struct acpi_probe_entry *); 1287 1288#define ACPI_TABLE_ID_LEN 5 1289 1290/** 1291 * struct acpi_probe_entry - boot-time probing entry 1292 * @id: ACPI table name 1293 * @type: Optional subtable type to match 1294 * (if @id contains subtables) 1295 * @subtable_valid: Optional callback to check the validity of 1296 * the subtable 1297 * @probe_table: Callback to the driver being probed when table 1298 * match is successful 1299 * @probe_subtbl: Callback to the driver being probed when table and 1300 * subtable match (and optional callback is successful) 1301 * @driver_data: Sideband data provided back to the driver 1302 */ 1303struct acpi_probe_entry { 1304 __u8 id[ACPI_TABLE_ID_LEN]; 1305 __u8 type; 1306 acpi_probe_entry_validate_subtbl subtable_valid; 1307 union { 1308 acpi_tbl_table_handler probe_table; 1309 acpi_tbl_entry_handler probe_subtbl; 1310 }; 1311 kernel_ulong_t driver_data; 1312}; 1313 1314#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \ 1315 valid, data, fn) \ 1316 static const struct acpi_probe_entry __acpi_probe_##name \ 1317 __used __section("__" #table "_acpi_probe_table") = { \ 1318 .id = table_id, \ 1319 .type = subtable, \ 1320 .subtable_valid = valid, \ 1321 .probe_table = fn, \ 1322 .driver_data = data, \ 1323 } 1324 1325#define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \ 1326 subtable, valid, data, fn) \ 1327 static const struct acpi_probe_entry __acpi_probe_##name \ 1328 __used __section("__" #table "_acpi_probe_table") = { \ 1329 .id = table_id, \ 1330 .type = subtable, \ 1331 .subtable_valid = valid, \ 1332 .probe_subtbl = fn, \ 1333 .driver_data = data, \ 1334 } 1335 1336#define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table 1337#define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end 1338 1339int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr); 1340 1341#define acpi_probe_device_table(t) \ 1342 ({ \ 1343 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \ 1344 ACPI_PROBE_TABLE_END(t); \ 1345 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \ 1346 (&ACPI_PROBE_TABLE_END(t) - \ 1347 &ACPI_PROBE_TABLE(t))); \ 1348 }) 1349#else 1350static inline int acpi_dev_get_property(struct acpi_device *adev, 1351 const char *name, acpi_object_type type, 1352 const union acpi_object **obj) 1353{ 1354 return -ENXIO; 1355} 1356 1357static inline int 1358__acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1359 const char *name, size_t index, size_t num_args, 1360 struct fwnode_reference_args *args) 1361{ 1362 return -ENXIO; 1363} 1364 1365static inline int 1366acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1367 const char *name, size_t index, 1368 struct fwnode_reference_args *args) 1369{ 1370 return -ENXIO; 1371} 1372 1373static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode, 1374 const char *propname, 1375 void **valptr) 1376{ 1377 return -ENXIO; 1378} 1379 1380static inline struct fwnode_handle * 1381acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1382 struct fwnode_handle *child) 1383{ 1384 return NULL; 1385} 1386 1387static inline struct fwnode_handle * 1388acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode, 1389 struct fwnode_handle *prev) 1390{ 1391 return ERR_PTR(-ENXIO); 1392} 1393 1394static inline int 1395acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode, 1396 struct fwnode_handle **remote, 1397 struct fwnode_handle **port, 1398 struct fwnode_handle **endpoint) 1399{ 1400 return -ENXIO; 1401} 1402 1403#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ 1404 static const void * __acpi_table_##name[] \ 1405 __attribute__((unused)) \ 1406 = { (void *) table_id, \ 1407 (void *) subtable, \ 1408 (void *) valid, \ 1409 (void *) fn, \ 1410 (void *) data } 1411 1412#define acpi_probe_device_table(t) ({ int __r = 0; __r;}) 1413#endif 1414 1415#ifdef CONFIG_ACPI_TABLE_UPGRADE 1416void acpi_table_upgrade(void); 1417#else 1418static inline void acpi_table_upgrade(void) { } 1419#endif 1420 1421#if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG) 1422extern bool acpi_has_watchdog(void); 1423#else 1424static inline bool acpi_has_watchdog(void) { return false; } 1425#endif 1426 1427#ifdef CONFIG_ACPI_SPCR_TABLE 1428extern bool qdf2400_e44_present; 1429int acpi_parse_spcr(bool enable_earlycon, bool enable_console); 1430#else 1431static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console) 1432{ 1433 return 0; 1434} 1435#endif 1436 1437#if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI) 1438int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res); 1439#else 1440static inline 1441int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res) 1442{ 1443 return -EINVAL; 1444} 1445#endif 1446 1447#ifdef CONFIG_ACPI_LPIT 1448int lpit_read_residency_count_address(u64 *address); 1449#else 1450static inline int lpit_read_residency_count_address(u64 *address) 1451{ 1452 return -EINVAL; 1453} 1454#endif 1455 1456#ifdef CONFIG_ACPI_PPTT 1457int acpi_pptt_cpu_is_thread(unsigned int cpu); 1458int find_acpi_cpu_topology(unsigned int cpu, int level); 1459int find_acpi_cpu_topology_cluster(unsigned int cpu); 1460int find_acpi_cpu_topology_package(unsigned int cpu); 1461int find_acpi_cpu_topology_hetero_id(unsigned int cpu); 1462#else 1463static inline int acpi_pptt_cpu_is_thread(unsigned int cpu) 1464{ 1465 return -EINVAL; 1466} 1467static inline int find_acpi_cpu_topology(unsigned int cpu, int level) 1468{ 1469 return -EINVAL; 1470} 1471static inline int find_acpi_cpu_topology_cluster(unsigned int cpu) 1472{ 1473 return -EINVAL; 1474} 1475static inline int find_acpi_cpu_topology_package(unsigned int cpu) 1476{ 1477 return -EINVAL; 1478} 1479static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu) 1480{ 1481 return -EINVAL; 1482} 1483#endif 1484 1485#ifdef CONFIG_ACPI_PCC 1486void acpi_init_pcc(void); 1487#else 1488static inline void acpi_init_pcc(void) { } 1489#endif 1490 1491#ifdef CONFIG_ACPI 1492extern void acpi_device_notify(struct device *dev); 1493extern void acpi_device_notify_remove(struct device *dev); 1494#else 1495static inline void acpi_device_notify(struct device *dev) { } 1496static inline void acpi_device_notify_remove(struct device *dev) { } 1497#endif 1498 1499#endif /*_LINUX_ACPI_H*/