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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/resource_ext.h> 14#include <linux/device.h> 15#include <linux/mod_devicetable.h> 16#include <linux/property.h> 17#include <linux/uuid.h> 18#include <linux/node.h> 19 20struct irq_domain; 21struct irq_domain_ops; 22 23#ifndef _LINUX 24#define _LINUX 25#endif 26#include <acpi/acpi.h> 27#include <acpi/acpi_numa.h> 28 29#ifdef CONFIG_ACPI 30 31#include <linux/list.h> 32#include <linux/dynamic_debug.h> 33#include <linux/module.h> 34#include <linux/mutex.h> 35#include <linux/fw_table.h> 36 37#include <acpi/acpi_bus.h> 38#include <acpi/acpi_drivers.h> 39#include <acpi/acpi_io.h> 40#include <asm/acpi.h> 41 42#ifdef CONFIG_ACPI_TABLE_LIB 43#define EXPORT_SYMBOL_ACPI_LIB(x) EXPORT_SYMBOL_NS_GPL(x, "ACPI") 44#define __init_or_acpilib 45#define __initdata_or_acpilib 46#else 47#define EXPORT_SYMBOL_ACPI_LIB(x) 48#define __init_or_acpilib __init 49#define __initdata_or_acpilib __initdata 50#endif 51 52static inline acpi_handle acpi_device_handle(struct acpi_device *adev) 53{ 54 return adev ? adev->handle : NULL; 55} 56 57#define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode) 58#define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \ 59 acpi_fwnode_handle(adev) : NULL) 60#define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev)) 61#define ACPI_HANDLE_FWNODE(fwnode) \ 62 acpi_device_handle(to_acpi_device_node(fwnode)) 63 64static inline struct fwnode_handle *acpi_alloc_fwnode_static(void) 65{ 66 struct fwnode_handle *fwnode; 67 68 fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL); 69 if (!fwnode) 70 return NULL; 71 72 fwnode_init(fwnode, &acpi_static_fwnode_ops); 73 74 return fwnode; 75} 76 77static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode) 78{ 79 if (WARN_ON(!is_acpi_static_node(fwnode))) 80 return; 81 82 kfree(fwnode); 83} 84 85static inline bool has_acpi_companion(struct device *dev) 86{ 87 return is_acpi_device_node(dev->fwnode); 88} 89 90static inline void acpi_preset_companion(struct device *dev, 91 struct acpi_device *parent, u64 addr) 92{ 93 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false)); 94} 95 96static inline const char *acpi_dev_name(struct acpi_device *adev) 97{ 98 return dev_name(&adev->dev); 99} 100 101struct device *acpi_get_first_physical_node(struct acpi_device *adev); 102 103enum acpi_irq_model_id { 104 ACPI_IRQ_MODEL_PIC = 0, 105 ACPI_IRQ_MODEL_IOAPIC, 106 ACPI_IRQ_MODEL_IOSAPIC, 107 ACPI_IRQ_MODEL_PLATFORM, 108 ACPI_IRQ_MODEL_GIC, 109 ACPI_IRQ_MODEL_LPIC, 110 ACPI_IRQ_MODEL_RINTC, 111 ACPI_IRQ_MODEL_COUNT 112}; 113 114extern enum acpi_irq_model_id acpi_irq_model; 115 116enum acpi_interrupt_id { 117 ACPI_INTERRUPT_PMI = 1, 118 ACPI_INTERRUPT_INIT, 119 ACPI_INTERRUPT_CPEI, 120 ACPI_INTERRUPT_COUNT 121}; 122 123#define ACPI_SPACE_MEM 0 124 125enum acpi_address_range_id { 126 ACPI_ADDRESS_RANGE_MEMORY = 1, 127 ACPI_ADDRESS_RANGE_RESERVED = 2, 128 ACPI_ADDRESS_RANGE_ACPI = 3, 129 ACPI_ADDRESS_RANGE_NVS = 4, 130 ACPI_ADDRESS_RANGE_COUNT 131}; 132 133 134/* Table Handlers */ 135typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table); 136 137/* Debugger support */ 138 139struct acpi_debugger_ops { 140 int (*create_thread)(acpi_osd_exec_callback function, void *context); 141 ssize_t (*write_log)(const char *msg); 142 ssize_t (*read_cmd)(char *buffer, size_t length); 143 int (*wait_command_ready)(bool single_step, char *buffer, size_t length); 144 int (*notify_command_complete)(void); 145}; 146 147struct acpi_debugger { 148 const struct acpi_debugger_ops *ops; 149 struct module *owner; 150 struct mutex lock; 151}; 152 153#ifdef CONFIG_ACPI_DEBUGGER 154int __init acpi_debugger_init(void); 155int acpi_register_debugger(struct module *owner, 156 const struct acpi_debugger_ops *ops); 157void acpi_unregister_debugger(const struct acpi_debugger_ops *ops); 158int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context); 159ssize_t acpi_debugger_write_log(const char *msg); 160ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length); 161int acpi_debugger_wait_command_ready(void); 162int acpi_debugger_notify_command_complete(void); 163#else 164static inline int acpi_debugger_init(void) 165{ 166 return -ENODEV; 167} 168 169static inline int acpi_register_debugger(struct module *owner, 170 const struct acpi_debugger_ops *ops) 171{ 172 return -ENODEV; 173} 174 175static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops) 176{ 177} 178 179static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function, 180 void *context) 181{ 182 return -ENODEV; 183} 184 185static inline int acpi_debugger_write_log(const char *msg) 186{ 187 return -ENODEV; 188} 189 190static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length) 191{ 192 return -ENODEV; 193} 194 195static inline int acpi_debugger_wait_command_ready(void) 196{ 197 return -ENODEV; 198} 199 200static inline int acpi_debugger_notify_command_complete(void) 201{ 202 return -ENODEV; 203} 204#endif 205 206#define BAD_MADT_ENTRY(entry, end) ( \ 207 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \ 208 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry)) 209 210void __iomem *__acpi_map_table(unsigned long phys, unsigned long size); 211void __acpi_unmap_table(void __iomem *map, unsigned long size); 212int early_acpi_boot_init(void); 213int acpi_boot_init (void); 214void acpi_boot_table_prepare (void); 215void acpi_boot_table_init (void); 216int acpi_mps_check (void); 217int acpi_numa_init (void); 218 219int acpi_locate_initial_tables (void); 220void acpi_reserve_initial_tables (void); 221void acpi_table_init_complete (void); 222int acpi_table_init (void); 223 224int acpi_table_parse(char *id, acpi_tbl_table_handler handler); 225int __init_or_acpilib acpi_table_parse_entries(char *id, 226 unsigned long table_size, int entry_id, 227 acpi_tbl_entry_handler handler, unsigned int max_entries); 228int __init_or_acpilib acpi_table_parse_entries_array(char *id, 229 unsigned long table_size, struct acpi_subtable_proc *proc, 230 int proc_num, unsigned int max_entries); 231int acpi_table_parse_madt(enum acpi_madt_type id, 232 acpi_tbl_entry_handler handler, 233 unsigned int max_entries); 234int __init_or_acpilib 235acpi_table_parse_cedt(enum acpi_cedt_type id, 236 acpi_tbl_entry_handler_arg handler_arg, void *arg); 237 238int acpi_parse_mcfg (struct acpi_table_header *header); 239void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); 240 241#if defined(CONFIG_X86) || defined(CONFIG_LOONGARCH) 242void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); 243#else 244static inline void 245acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { } 246#endif 247 248void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); 249 250#if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH) 251void acpi_arch_dma_setup(struct device *dev); 252#else 253static inline void acpi_arch_dma_setup(struct device *dev) { } 254#endif 255 256#ifdef CONFIG_ARM64 257void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa); 258#else 259static inline void 260acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { } 261#endif 262 263#ifdef CONFIG_RISCV 264void acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity *pa); 265#else 266static inline void acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity *pa) { } 267#endif 268 269#ifndef PHYS_CPUID_INVALID 270typedef u32 phys_cpuid_t; 271#define PHYS_CPUID_INVALID (phys_cpuid_t)(-1) 272#endif 273 274static inline bool invalid_logical_cpuid(u32 cpuid) 275{ 276 return (int)cpuid < 0; 277} 278 279static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id) 280{ 281 return phys_id == PHYS_CPUID_INVALID; 282} 283 284 285int __init acpi_get_madt_revision(void); 286 287/* Validate the processor object's proc_id */ 288bool acpi_duplicate_processor_id(int proc_id); 289/* Processor _CTS control */ 290struct acpi_processor_power; 291 292#ifdef CONFIG_ACPI_PROCESSOR_CSTATE 293bool acpi_processor_claim_cst_control(void); 294int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, 295 struct acpi_processor_power *info); 296#else 297static inline bool acpi_processor_claim_cst_control(void) { return false; } 298static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, 299 struct acpi_processor_power *info) 300{ 301 return -ENODEV; 302} 303#endif 304 305#ifdef CONFIG_ACPI_HOTPLUG_CPU 306/* Arch dependent functions for cpu hotplug support */ 307int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id, 308 int *pcpu); 309int acpi_unmap_cpu(int cpu); 310#endif /* CONFIG_ACPI_HOTPLUG_CPU */ 311 312acpi_handle acpi_get_processor_handle(int cpu); 313 314#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 315int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr); 316#endif 317 318int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); 319int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); 320int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base); 321void acpi_irq_stats_init(void); 322extern u32 acpi_irq_handled; 323extern u32 acpi_irq_not_handled; 324extern unsigned int acpi_sci_irq; 325extern bool acpi_no_s5; 326#define INVALID_ACPI_IRQ ((unsigned)-1) 327static inline bool acpi_sci_irq_valid(void) 328{ 329 return acpi_sci_irq != INVALID_ACPI_IRQ; 330} 331 332extern int sbf_port; 333extern unsigned long acpi_realmode_flags; 334 335int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); 336int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 337int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); 338 339void acpi_set_irq_model(enum acpi_irq_model_id model, 340 struct fwnode_handle *(*)(u32)); 341void acpi_set_gsi_to_irq_fallback(u32 (*)(u32)); 342 343struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags, 344 unsigned int size, 345 struct fwnode_handle *fwnode, 346 const struct irq_domain_ops *ops, 347 void *host_data); 348 349#ifdef CONFIG_X86_IO_APIC 350extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); 351#else 352static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity) 353{ 354 return -1; 355} 356#endif 357/* 358 * This function undoes the effect of one call to acpi_register_gsi(). 359 * If this matches the last registration, any IRQ resources for gsi 360 * are freed. 361 */ 362void acpi_unregister_gsi (u32 gsi); 363 364struct pci_dev; 365 366struct acpi_prt_entry *acpi_pci_irq_lookup(struct pci_dev *dev, int pin); 367int acpi_pci_irq_enable (struct pci_dev *dev); 368void acpi_penalize_isa_irq(int irq, int active); 369bool acpi_isa_irq_available(int irq); 370#ifdef CONFIG_PCI 371void acpi_penalize_sci_irq(int irq, int trigger, int polarity); 372#else 373static inline void acpi_penalize_sci_irq(int irq, int trigger, 374 int polarity) 375{ 376} 377#endif 378void acpi_pci_irq_disable (struct pci_dev *dev); 379 380extern int ec_read(u8 addr, u8 *val); 381extern int ec_write(u8 addr, u8 val); 382extern int ec_transaction(u8 command, 383 const u8 *wdata, unsigned wdata_len, 384 u8 *rdata, unsigned rdata_len); 385extern acpi_handle ec_get_handle(void); 386 387extern bool acpi_is_pnp_device(struct acpi_device *); 388 389#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 390 391typedef void (*wmi_notify_handler) (union acpi_object *data, void *context); 392 393int wmi_instance_count(const char *guid); 394 395extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 396 u32 method_id, 397 const struct acpi_buffer *in, 398 struct acpi_buffer *out); 399extern acpi_status wmi_query_block(const char *guid, u8 instance, 400 struct acpi_buffer *out); 401extern acpi_status wmi_set_block(const char *guid, u8 instance, 402 const struct acpi_buffer *in); 403extern acpi_status wmi_install_notify_handler(const char *guid, 404 wmi_notify_handler handler, void *data); 405extern acpi_status wmi_remove_notify_handler(const char *guid); 406extern bool wmi_has_guid(const char *guid); 407extern char *wmi_get_acpi_device_uid(const char *guid); 408 409#endif /* CONFIG_ACPI_WMI */ 410 411#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 412#define ACPI_VIDEO_DEVICE_POSTING 0x0002 413#define ACPI_VIDEO_ROM_AVAILABLE 0x0004 414#define ACPI_VIDEO_BACKLIGHT 0x0008 415#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 416#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 417#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 418#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 419#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 420#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 421#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 422#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 423 424extern char acpi_video_backlight_string[]; 425extern long acpi_is_video_device(acpi_handle handle); 426 427extern void acpi_osi_setup(char *str); 428extern bool acpi_osi_is_win8(void); 429 430#ifdef CONFIG_ACPI_THERMAL_LIB 431int thermal_acpi_active_trip_temp(struct acpi_device *adev, int id, int *ret_temp); 432int thermal_acpi_passive_trip_temp(struct acpi_device *adev, int *ret_temp); 433int thermal_acpi_hot_trip_temp(struct acpi_device *adev, int *ret_temp); 434int thermal_acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp); 435#endif 436 437#ifdef CONFIG_ACPI_HMAT 438int acpi_get_genport_coordinates(u32 uid, struct access_coordinate *coord); 439#else 440static inline int acpi_get_genport_coordinates(u32 uid, 441 struct access_coordinate *coord) 442{ 443 return -EOPNOTSUPP; 444} 445#endif 446 447#ifdef CONFIG_ACPI_NUMA 448int acpi_map_pxm_to_node(int pxm); 449int acpi_get_node(acpi_handle handle); 450 451/** 452 * pxm_to_online_node - Map proximity ID to online node 453 * @pxm: ACPI proximity ID 454 * 455 * This is similar to pxm_to_node(), but always returns an online 456 * node. When the mapped node from a given proximity ID is offline, it 457 * looks up the node distance table and returns the nearest online node. 458 * 459 * ACPI device drivers, which are called after the NUMA initialization has 460 * completed in the kernel, can call this interface to obtain their device 461 * NUMA topology from ACPI tables. Such drivers do not have to deal with 462 * offline nodes. A node may be offline when SRAT memory entry does not exist, 463 * or NUMA is disabled, ex. "numa=off" on x86. 464 */ 465static inline int pxm_to_online_node(int pxm) 466{ 467 int node = pxm_to_node(pxm); 468 469 return numa_map_to_online_node(node); 470} 471#else 472static inline int pxm_to_online_node(int pxm) 473{ 474 return 0; 475} 476static inline int acpi_map_pxm_to_node(int pxm) 477{ 478 return 0; 479} 480static inline int acpi_get_node(acpi_handle handle) 481{ 482 return 0; 483} 484#endif 485extern int pnpacpi_disabled; 486 487#define PXM_INVAL (-1) 488 489bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res); 490bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res); 491bool acpi_dev_resource_address_space(struct acpi_resource *ares, 492 struct resource_win *win); 493bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, 494 struct resource_win *win); 495unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, u8 wake_capable); 496unsigned int acpi_dev_get_irq_type(int triggering, int polarity); 497bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, 498 struct resource *res); 499 500void acpi_dev_free_resource_list(struct list_head *list); 501int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, 502 int (*preproc)(struct acpi_resource *, void *), 503 void *preproc_data); 504int acpi_dev_get_dma_resources(struct acpi_device *adev, 505 struct list_head *list); 506int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list); 507int acpi_dev_filter_resource_type(struct acpi_resource *ares, 508 unsigned long types); 509 510static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares, 511 void *arg) 512{ 513 return acpi_dev_filter_resource_type(ares, (unsigned long)arg); 514} 515 516struct acpi_device *acpi_resource_consumer(struct resource *res); 517 518int acpi_check_resource_conflict(const struct resource *res); 519 520int acpi_check_region(resource_size_t start, resource_size_t n, 521 const char *name); 522 523int acpi_resources_are_enforced(void); 524 525#ifdef CONFIG_HIBERNATION 526extern int acpi_check_s4_hw_signature; 527#endif 528 529#ifdef CONFIG_PM_SLEEP 530void __init acpi_old_suspend_ordering(void); 531void __init acpi_nvs_nosave(void); 532void __init acpi_nvs_nosave_s3(void); 533void __init acpi_sleep_no_blacklist(void); 534#endif /* CONFIG_PM_SLEEP */ 535 536int acpi_register_wakeup_handler( 537 int wake_irq, bool (*wakeup)(void *context), void *context); 538void acpi_unregister_wakeup_handler( 539 bool (*wakeup)(void *context), void *context); 540 541struct acpi_osc_context { 542 char *uuid_str; /* UUID string */ 543 int rev; 544 struct acpi_buffer cap; /* list of DWORD capabilities */ 545 struct acpi_buffer ret; /* free by caller if success */ 546}; 547 548acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); 549 550/* Number of _OSC capability DWORDS depends on bridge type */ 551#define OSC_PCI_CAPABILITY_DWORDS 3 552#define OSC_CXL_CAPABILITY_DWORDS 5 553 554/* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */ 555#define OSC_QUERY_DWORD 0 /* DWORD 1 */ 556#define OSC_SUPPORT_DWORD 1 /* DWORD 2 */ 557#define OSC_CONTROL_DWORD 2 /* DWORD 3 */ 558#define OSC_EXT_SUPPORT_DWORD 3 /* DWORD 4 */ 559#define OSC_EXT_CONTROL_DWORD 4 /* DWORD 5 */ 560 561/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */ 562#define OSC_QUERY_ENABLE 0x00000001 /* input */ 563#define OSC_REQUEST_ERROR 0x00000002 /* return */ 564#define OSC_INVALID_UUID_ERROR 0x00000004 /* return */ 565#define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */ 566#define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */ 567 568/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */ 569#define OSC_SB_PAD_SUPPORT 0x00000001 570#define OSC_SB_PPC_OST_SUPPORT 0x00000002 571#define OSC_SB_PR3_SUPPORT 0x00000004 572#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008 573#define OSC_SB_APEI_SUPPORT 0x00000010 574#define OSC_SB_CPC_SUPPORT 0x00000020 575#define OSC_SB_CPCV2_SUPPORT 0x00000040 576#define OSC_SB_PCLPI_SUPPORT 0x00000080 577#define OSC_SB_OSLPI_SUPPORT 0x00000100 578#define OSC_SB_FAST_THERMAL_SAMPLING_SUPPORT 0x00000200 579#define OSC_SB_OVER_16_PSTATES_SUPPORT 0x00000400 580#define OSC_SB_GED_SUPPORT 0x00000800 581#define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 582#define OSC_SB_IRQ_RESOURCE_SOURCE_SUPPORT 0x00002000 583#define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000 584#define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00020000 585#define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000 586#define OSC_SB_BATTERY_CHARGE_LIMITING_SUPPORT 0x00080000 587#define OSC_SB_PRM_SUPPORT 0x00200000 588#define OSC_SB_FFH_OPR_SUPPORT 0x00400000 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); 712 713extern int acpi_nvs_register(__u64 start, __u64 size); 714 715extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 716 void *data); 717 718const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids, 719 const struct acpi_device *adev); 720 721const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, 722 const struct device *dev); 723 724const void *acpi_device_get_match_data(const struct device *dev); 725extern bool acpi_driver_match_device(struct device *dev, 726 const struct device_driver *drv); 727int acpi_device_uevent_modalias(const struct device *, struct kobj_uevent_env *); 728int acpi_device_modalias(struct device *, char *, int); 729 730struct platform_device *acpi_create_platform_device(struct acpi_device *, 731 const struct property_entry *); 732#define ACPI_PTR(_ptr) (_ptr) 733 734static inline void acpi_device_set_enumerated(struct acpi_device *adev) 735{ 736 adev->flags.visited = true; 737} 738 739static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 740{ 741 adev->flags.visited = false; 742} 743 744enum acpi_reconfig_event { 745 ACPI_RECONFIG_DEVICE_ADD = 0, 746 ACPI_RECONFIG_DEVICE_REMOVE, 747}; 748 749int acpi_reconfig_notifier_register(struct notifier_block *nb); 750int acpi_reconfig_notifier_unregister(struct notifier_block *nb); 751 752#ifdef CONFIG_ACPI_GTDT 753int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count); 754int acpi_gtdt_map_ppi(int type); 755bool acpi_gtdt_c3stop(int type); 756int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count); 757#endif 758 759#ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER 760static inline void acpi_arch_set_root_pointer(u64 addr) 761{ 762} 763#endif 764 765#ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER 766static inline u64 acpi_arch_get_root_pointer(void) 767{ 768 return 0; 769} 770#endif 771 772int acpi_get_local_u64_address(acpi_handle handle, u64 *addr); 773int acpi_get_local_address(acpi_handle handle, u32 *addr); 774const char *acpi_get_subsystem_id(acpi_handle handle); 775 776#else /* !CONFIG_ACPI */ 777 778#define acpi_disabled 1 779 780#define ACPI_COMPANION(dev) (NULL) 781#define ACPI_COMPANION_SET(dev, adev) do { } while (0) 782#define ACPI_HANDLE(dev) (NULL) 783#define ACPI_HANDLE_FWNODE(fwnode) (NULL) 784 785/* Get rid of the -Wunused-variable for adev */ 786#define acpi_dev_uid_match(adev, uid2) (adev && false) 787#define acpi_dev_hid_uid_match(adev, hid2, uid2) (adev && false) 788 789struct fwnode_handle; 790 791static inline bool acpi_dev_found(const char *hid) 792{ 793 return false; 794} 795 796static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv) 797{ 798 return false; 799} 800 801struct acpi_device; 802 803static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer) 804{ 805 return -ENODEV; 806} 807 808static inline struct acpi_device * 809acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv) 810{ 811 return NULL; 812} 813 814static inline bool acpi_reduced_hardware(void) 815{ 816 return false; 817} 818 819static inline void acpi_dev_put(struct acpi_device *adev) {} 820 821static inline bool is_acpi_node(const struct fwnode_handle *fwnode) 822{ 823 return false; 824} 825 826static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode) 827{ 828 return false; 829} 830 831static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode) 832{ 833 return NULL; 834} 835 836static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode) 837{ 838 return false; 839} 840 841static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode) 842{ 843 return NULL; 844} 845 846static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode, 847 const char *name) 848{ 849 return false; 850} 851 852static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) 853{ 854 return NULL; 855} 856 857static inline acpi_handle acpi_device_handle(struct acpi_device *adev) 858{ 859 return NULL; 860} 861 862static inline bool has_acpi_companion(struct device *dev) 863{ 864 return false; 865} 866 867static inline void acpi_preset_companion(struct device *dev, 868 struct acpi_device *parent, u64 addr) 869{ 870} 871 872static inline const char *acpi_dev_name(struct acpi_device *adev) 873{ 874 return NULL; 875} 876 877static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev) 878{ 879 return NULL; 880} 881 882static inline void acpi_early_init(void) { } 883static inline void acpi_subsystem_init(void) { } 884 885static inline int early_acpi_boot_init(void) 886{ 887 return 0; 888} 889static inline int acpi_boot_init(void) 890{ 891 return 0; 892} 893 894static inline void acpi_boot_table_prepare(void) 895{ 896} 897 898static inline void acpi_boot_table_init(void) 899{ 900} 901 902static inline int acpi_mps_check(void) 903{ 904 return 0; 905} 906 907static inline int acpi_check_resource_conflict(struct resource *res) 908{ 909 return 0; 910} 911 912static inline int acpi_check_region(resource_size_t start, resource_size_t n, 913 const char *name) 914{ 915 return 0; 916} 917 918struct acpi_table_header; 919static inline int acpi_table_parse(char *id, 920 int (*handler)(struct acpi_table_header *)) 921{ 922 return -ENODEV; 923} 924 925static inline int acpi_nvs_register(__u64 start, __u64 size) 926{ 927 return 0; 928} 929 930static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 931 void *data) 932{ 933 return 0; 934} 935 936struct acpi_device_id; 937 938static inline const struct acpi_device_id *acpi_match_acpi_device( 939 const struct acpi_device_id *ids, const struct acpi_device *adev) 940{ 941 return NULL; 942} 943 944static inline const struct acpi_device_id *acpi_match_device( 945 const struct acpi_device_id *ids, const struct device *dev) 946{ 947 return NULL; 948} 949 950static inline const void *acpi_device_get_match_data(const struct device *dev) 951{ 952 return NULL; 953} 954 955static inline bool acpi_driver_match_device(struct device *dev, 956 const struct device_driver *drv) 957{ 958 return false; 959} 960 961static inline bool acpi_check_dsm(acpi_handle handle, const guid_t *guid, 962 u64 rev, u64 funcs) 963{ 964 return false; 965} 966 967static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle, 968 const guid_t *guid, 969 u64 rev, u64 func, 970 union acpi_object *argv4) 971{ 972 return NULL; 973} 974 975static inline union acpi_object *acpi_evaluate_dsm_typed(acpi_handle handle, 976 const guid_t *guid, 977 u64 rev, u64 func, 978 union acpi_object *argv4, 979 acpi_object_type type) 980{ 981 return NULL; 982} 983 984static inline int acpi_device_uevent_modalias(const struct device *dev, 985 struct kobj_uevent_env *env) 986{ 987 return -ENODEV; 988} 989 990static inline int acpi_device_modalias(struct device *dev, 991 char *buf, int size) 992{ 993 return -ENODEV; 994} 995 996static inline struct platform_device * 997acpi_create_platform_device(struct acpi_device *adev, 998 const struct property_entry *properties) 999{ 1000 return NULL; 1001} 1002 1003static inline bool acpi_dma_supported(const struct acpi_device *adev) 1004{ 1005 return false; 1006} 1007 1008static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev) 1009{ 1010 return DEV_DMA_NOT_SUPPORTED; 1011} 1012 1013static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map) 1014{ 1015 return -ENODEV; 1016} 1017 1018static inline int acpi_dma_configure(struct device *dev, 1019 enum dev_dma_attr attr) 1020{ 1021 return 0; 1022} 1023 1024static inline int acpi_dma_configure_id(struct device *dev, 1025 enum dev_dma_attr attr, 1026 const u32 *input_id) 1027{ 1028 return 0; 1029} 1030 1031#define ACPI_PTR(_ptr) (NULL) 1032 1033static inline void acpi_device_set_enumerated(struct acpi_device *adev) 1034{ 1035} 1036 1037static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 1038{ 1039} 1040 1041static inline int acpi_reconfig_notifier_register(struct notifier_block *nb) 1042{ 1043 return -EINVAL; 1044} 1045 1046static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb) 1047{ 1048 return -EINVAL; 1049} 1050 1051static inline struct acpi_device *acpi_resource_consumer(struct resource *res) 1052{ 1053 return NULL; 1054} 1055 1056static inline int acpi_get_local_address(acpi_handle handle, u32 *addr) 1057{ 1058 return -ENODEV; 1059} 1060 1061static inline const char *acpi_get_subsystem_id(acpi_handle handle) 1062{ 1063 return ERR_PTR(-ENODEV); 1064} 1065 1066static inline int acpi_register_wakeup_handler(int wake_irq, 1067 bool (*wakeup)(void *context), void *context) 1068{ 1069 return -ENXIO; 1070} 1071 1072static inline void acpi_unregister_wakeup_handler( 1073 bool (*wakeup)(void *context), void *context) { } 1074 1075struct acpi_osc_context; 1076static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context) 1077{ 1078 return 0; 1079} 1080 1081static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context) 1082{ 1083 return 0; 1084} 1085 1086static inline bool acpi_sleep_state_supported(u8 sleep_state) 1087{ 1088 return false; 1089} 1090 1091static inline acpi_handle acpi_get_processor_handle(int cpu) 1092{ 1093 return NULL; 1094} 1095 1096#endif /* !CONFIG_ACPI */ 1097 1098extern void arch_post_acpi_subsys_init(void); 1099 1100#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 1101int acpi_ioapic_add(acpi_handle root); 1102#else 1103static inline int acpi_ioapic_add(acpi_handle root) { return 0; } 1104#endif 1105 1106#ifdef CONFIG_ACPI 1107void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, 1108 u32 pm1a_ctrl, u32 pm1b_ctrl)); 1109 1110acpi_status acpi_os_prepare_sleep(u8 sleep_state, 1111 u32 pm1a_control, u32 pm1b_control); 1112 1113void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, 1114 u32 val_a, u32 val_b)); 1115 1116acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, 1117 u32 val_a, u32 val_b); 1118#if defined(CONFIG_SUSPEND) && defined(CONFIG_X86) 1119struct acpi_s2idle_dev_ops { 1120 struct list_head list_node; 1121 void (*prepare)(void); 1122 void (*check)(void); 1123 void (*restore)(void); 1124}; 1125int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg); 1126void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg); 1127int acpi_get_lps0_constraint(struct acpi_device *adev); 1128#else /* CONFIG_SUSPEND && CONFIG_X86 */ 1129static inline int acpi_get_lps0_constraint(struct device *dev) 1130{ 1131 return ACPI_STATE_UNKNOWN; 1132} 1133#endif /* CONFIG_SUSPEND && CONFIG_X86 */ 1134void arch_reserve_mem_area(acpi_physical_address addr, size_t size); 1135#else 1136#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) 1137#endif 1138 1139#if defined(CONFIG_ACPI) && defined(CONFIG_PM) 1140int acpi_dev_suspend(struct device *dev, bool wakeup); 1141int acpi_dev_resume(struct device *dev); 1142int acpi_subsys_runtime_suspend(struct device *dev); 1143int acpi_subsys_runtime_resume(struct device *dev); 1144int acpi_dev_pm_attach(struct device *dev, bool power_on); 1145bool acpi_storage_d3(struct device *dev); 1146bool acpi_dev_state_d0(struct device *dev); 1147#else 1148static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } 1149static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } 1150static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) 1151{ 1152 return 0; 1153} 1154static inline bool acpi_storage_d3(struct device *dev) 1155{ 1156 return false; 1157} 1158static inline bool acpi_dev_state_d0(struct device *dev) 1159{ 1160 return true; 1161} 1162#endif 1163 1164#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) 1165int acpi_subsys_prepare(struct device *dev); 1166void acpi_subsys_complete(struct device *dev); 1167int acpi_subsys_suspend_late(struct device *dev); 1168int acpi_subsys_suspend_noirq(struct device *dev); 1169int acpi_subsys_suspend(struct device *dev); 1170int acpi_subsys_freeze(struct device *dev); 1171int acpi_subsys_poweroff(struct device *dev); 1172int acpi_subsys_restore_early(struct device *dev); 1173#else 1174static inline int acpi_subsys_prepare(struct device *dev) { return 0; } 1175static inline void acpi_subsys_complete(struct device *dev) {} 1176static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } 1177static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; } 1178static inline int acpi_subsys_suspend(struct device *dev) { return 0; } 1179static inline int acpi_subsys_freeze(struct device *dev) { return 0; } 1180static inline int acpi_subsys_poweroff(struct device *dev) { return 0; } 1181static inline int acpi_subsys_restore_early(struct device *dev) { return 0; } 1182#endif 1183 1184#if defined(CONFIG_ACPI_EC) && defined(CONFIG_PM_SLEEP) 1185void acpi_ec_mark_gpe_for_wake(void); 1186void acpi_ec_set_gpe_wake_mask(u8 action); 1187#else 1188static inline void acpi_ec_mark_gpe_for_wake(void) {} 1189static inline void acpi_ec_set_gpe_wake_mask(u8 action) {} 1190#endif 1191 1192#ifdef CONFIG_ACPI 1193char *acpi_handle_path(acpi_handle handle); 1194__printf(3, 4) 1195void acpi_handle_printk(const char *level, acpi_handle handle, 1196 const char *fmt, ...); 1197void acpi_evaluation_failure_warn(acpi_handle handle, const char *name, 1198 acpi_status status); 1199#else /* !CONFIG_ACPI */ 1200static inline __printf(3, 4) void 1201acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} 1202static inline void acpi_evaluation_failure_warn(acpi_handle handle, 1203 const char *name, 1204 acpi_status status) {} 1205#endif /* !CONFIG_ACPI */ 1206 1207#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) 1208__printf(3, 4) 1209void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); 1210#endif 1211 1212/* 1213 * acpi_handle_<level>: Print message with ACPI prefix and object path 1214 * 1215 * These interfaces acquire the global namespace mutex to obtain an object 1216 * path. In interrupt context, it shows the object path as <n/a>. 1217 */ 1218#define acpi_handle_emerg(handle, fmt, ...) \ 1219 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) 1220#define acpi_handle_alert(handle, fmt, ...) \ 1221 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) 1222#define acpi_handle_crit(handle, fmt, ...) \ 1223 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) 1224#define acpi_handle_err(handle, fmt, ...) \ 1225 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) 1226#define acpi_handle_warn(handle, fmt, ...) \ 1227 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) 1228#define acpi_handle_notice(handle, fmt, ...) \ 1229 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) 1230#define acpi_handle_info(handle, fmt, ...) \ 1231 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) 1232 1233#if defined(DEBUG) 1234#define acpi_handle_debug(handle, fmt, ...) \ 1235 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) 1236#else 1237#if defined(CONFIG_DYNAMIC_DEBUG) 1238#define acpi_handle_debug(handle, fmt, ...) \ 1239 _dynamic_func_call(fmt, __acpi_handle_debug, \ 1240 handle, pr_fmt(fmt), ##__VA_ARGS__) 1241#else 1242#define acpi_handle_debug(handle, fmt, ...) \ 1243({ \ 1244 if (0) \ 1245 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ 1246 0; \ 1247}) 1248#endif 1249#endif 1250 1251#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) 1252bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1253 struct acpi_resource_gpio **agpio); 1254bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1255 struct acpi_resource_gpio **agpio); 1256int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id, int index, 1257 bool *wake_capable); 1258#else 1259static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1260 struct acpi_resource_gpio **agpio) 1261{ 1262 return false; 1263} 1264static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1265 struct acpi_resource_gpio **agpio) 1266{ 1267 return false; 1268} 1269static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id, 1270 int index, bool *wake_capable) 1271{ 1272 return -ENXIO; 1273} 1274#endif 1275 1276static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index, 1277 bool *wake_capable) 1278{ 1279 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable); 1280} 1281 1282static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *con_id, 1283 int index) 1284{ 1285 return acpi_dev_gpio_irq_wake_get_by(adev, con_id, index, NULL); 1286} 1287 1288static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) 1289{ 1290 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL); 1291} 1292 1293/* Device properties */ 1294 1295#ifdef CONFIG_ACPI 1296int acpi_dev_get_property(const struct acpi_device *adev, const char *name, 1297 acpi_object_type type, const union acpi_object **obj); 1298int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1299 const char *name, size_t index, size_t num_args, 1300 struct fwnode_reference_args *args); 1301 1302static inline int acpi_node_get_property_reference( 1303 const struct fwnode_handle *fwnode, 1304 const char *name, size_t index, 1305 struct fwnode_reference_args *args) 1306{ 1307 return __acpi_node_get_property_reference(fwnode, name, index, 1308 NR_FWNODE_REFERENCE_ARGS, args); 1309} 1310 1311static inline bool acpi_dev_has_props(const struct acpi_device *adev) 1312{ 1313 return !list_empty(&adev->data.properties); 1314} 1315 1316struct acpi_device_properties * 1317acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid, 1318 union acpi_object *properties); 1319 1320int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname, 1321 void **valptr); 1322 1323struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1324 struct fwnode_handle *child); 1325 1326struct acpi_probe_entry; 1327typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *, 1328 struct acpi_probe_entry *); 1329 1330#define ACPI_TABLE_ID_LEN 5 1331 1332/** 1333 * struct acpi_probe_entry - boot-time probing entry 1334 * @id: ACPI table name 1335 * @type: Optional subtable type to match 1336 * (if @id contains subtables) 1337 * @subtable_valid: Optional callback to check the validity of 1338 * the subtable 1339 * @probe_table: Callback to the driver being probed when table 1340 * match is successful 1341 * @probe_subtbl: Callback to the driver being probed when table and 1342 * subtable match (and optional callback is successful) 1343 * @driver_data: Sideband data provided back to the driver 1344 */ 1345struct acpi_probe_entry { 1346 __u8 id[ACPI_TABLE_ID_LEN]; 1347 __u8 type; 1348 acpi_probe_entry_validate_subtbl subtable_valid; 1349 union { 1350 acpi_tbl_table_handler probe_table; 1351 acpi_tbl_entry_handler probe_subtbl; 1352 }; 1353 kernel_ulong_t driver_data; 1354}; 1355 1356void arch_sort_irqchip_probe(struct acpi_probe_entry *ap_head, int nr); 1357 1358#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \ 1359 valid, data, fn) \ 1360 static const struct acpi_probe_entry __acpi_probe_##name \ 1361 __used __section("__" #table "_acpi_probe_table") = { \ 1362 .id = table_id, \ 1363 .type = subtable, \ 1364 .subtable_valid = valid, \ 1365 .probe_table = fn, \ 1366 .driver_data = data, \ 1367 } 1368 1369#define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \ 1370 subtable, valid, data, fn) \ 1371 static const struct acpi_probe_entry __acpi_probe_##name \ 1372 __used __section("__" #table "_acpi_probe_table") = { \ 1373 .id = table_id, \ 1374 .type = subtable, \ 1375 .subtable_valid = valid, \ 1376 .probe_subtbl = fn, \ 1377 .driver_data = data, \ 1378 } 1379 1380#define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table 1381#define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end 1382 1383int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr); 1384 1385#define acpi_probe_device_table(t) \ 1386 ({ \ 1387 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \ 1388 ACPI_PROBE_TABLE_END(t); \ 1389 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \ 1390 (&ACPI_PROBE_TABLE_END(t) - \ 1391 &ACPI_PROBE_TABLE(t))); \ 1392 }) 1393#else 1394static inline int acpi_dev_get_property(struct acpi_device *adev, 1395 const char *name, acpi_object_type type, 1396 const union acpi_object **obj) 1397{ 1398 return -ENXIO; 1399} 1400 1401static inline int 1402__acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1403 const char *name, size_t index, size_t num_args, 1404 struct fwnode_reference_args *args) 1405{ 1406 return -ENXIO; 1407} 1408 1409static inline int 1410acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1411 const char *name, size_t index, 1412 struct fwnode_reference_args *args) 1413{ 1414 return -ENXIO; 1415} 1416 1417static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode, 1418 const char *propname, 1419 void **valptr) 1420{ 1421 return -ENXIO; 1422} 1423 1424static inline struct fwnode_handle * 1425acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1426 struct fwnode_handle *child) 1427{ 1428 return NULL; 1429} 1430 1431static inline struct fwnode_handle * 1432acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode, 1433 struct fwnode_handle *prev) 1434{ 1435 return ERR_PTR(-ENXIO); 1436} 1437 1438static inline int 1439acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode, 1440 struct fwnode_handle **remote, 1441 struct fwnode_handle **port, 1442 struct fwnode_handle **endpoint) 1443{ 1444 return -ENXIO; 1445} 1446 1447#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ 1448 static const void * __acpi_table_##name[] \ 1449 __attribute__((unused)) \ 1450 = { (void *) table_id, \ 1451 (void *) subtable, \ 1452 (void *) valid, \ 1453 (void *) fn, \ 1454 (void *) data } 1455 1456#define acpi_probe_device_table(t) ({ int __r = 0; __r;}) 1457#endif 1458 1459#ifdef CONFIG_ACPI_TABLE_UPGRADE 1460void acpi_table_upgrade(void); 1461#else 1462static inline void acpi_table_upgrade(void) { } 1463#endif 1464 1465#if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG) 1466extern bool acpi_has_watchdog(void); 1467#else 1468static inline bool acpi_has_watchdog(void) { return false; } 1469#endif 1470 1471#ifdef CONFIG_ACPI_SPCR_TABLE 1472extern bool qdf2400_e44_present; 1473int acpi_parse_spcr(bool enable_earlycon, bool enable_console); 1474#else 1475static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console) 1476{ 1477 return 0; 1478} 1479#endif 1480 1481#if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI) 1482int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res); 1483#else 1484static inline 1485int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res) 1486{ 1487 return -EINVAL; 1488} 1489#endif 1490 1491#ifdef CONFIG_ACPI_LPIT 1492int lpit_read_residency_count_address(u64 *address); 1493#else 1494static inline int lpit_read_residency_count_address(u64 *address) 1495{ 1496 return -EINVAL; 1497} 1498#endif 1499 1500#ifdef CONFIG_ACPI_PROCESSOR_IDLE 1501#ifndef arch_get_idle_state_flags 1502static inline unsigned int arch_get_idle_state_flags(u32 arch_flags) 1503{ 1504 return 0; 1505} 1506#endif 1507#endif /* CONFIG_ACPI_PROCESSOR_IDLE */ 1508 1509#ifdef CONFIG_ACPI_PPTT 1510int acpi_pptt_cpu_is_thread(unsigned int cpu); 1511int find_acpi_cpu_topology(unsigned int cpu, int level); 1512int find_acpi_cpu_topology_cluster(unsigned int cpu); 1513int find_acpi_cpu_topology_package(unsigned int cpu); 1514int find_acpi_cpu_topology_hetero_id(unsigned int cpu); 1515#else 1516static inline int acpi_pptt_cpu_is_thread(unsigned int cpu) 1517{ 1518 return -EINVAL; 1519} 1520static inline int find_acpi_cpu_topology(unsigned int cpu, int level) 1521{ 1522 return -EINVAL; 1523} 1524static inline int find_acpi_cpu_topology_cluster(unsigned int cpu) 1525{ 1526 return -EINVAL; 1527} 1528static inline int find_acpi_cpu_topology_package(unsigned int cpu) 1529{ 1530 return -EINVAL; 1531} 1532static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu) 1533{ 1534 return -EINVAL; 1535} 1536#endif 1537 1538void acpi_arch_init(void); 1539 1540#ifdef CONFIG_ACPI_PCC 1541void acpi_init_pcc(void); 1542#else 1543static inline void acpi_init_pcc(void) { } 1544#endif 1545 1546#ifdef CONFIG_ACPI_FFH 1547void acpi_init_ffh(void); 1548extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt, 1549 void **region_ctxt); 1550extern int acpi_ffh_address_space_arch_handler(acpi_integer *value, 1551 void *region_context); 1552#else 1553static inline void acpi_init_ffh(void) { } 1554#endif 1555 1556#ifdef CONFIG_ACPI 1557extern void acpi_device_notify(struct device *dev); 1558extern void acpi_device_notify_remove(struct device *dev); 1559#else 1560static inline void acpi_device_notify(struct device *dev) { } 1561static inline void acpi_device_notify_remove(struct device *dev) { } 1562#endif 1563 1564static inline void acpi_use_parent_companion(struct device *dev) 1565{ 1566 ACPI_COMPANION_SET(dev, ACPI_COMPANION(dev->parent)); 1567} 1568 1569#ifdef CONFIG_ACPI_HMAT 1570int hmat_update_target_coordinates(int nid, struct access_coordinate *coord, 1571 enum access_coordinate_class access); 1572#else 1573static inline int hmat_update_target_coordinates(int nid, 1574 struct access_coordinate *coord, 1575 enum access_coordinate_class access) 1576{ 1577 return -EOPNOTSUPP; 1578} 1579#endif 1580 1581#ifdef CONFIG_ACPI_NUMA 1582bool acpi_node_backed_by_real_pxm(int nid); 1583#else 1584static inline bool acpi_node_backed_by_real_pxm(int nid) 1585{ 1586 return false; 1587} 1588#endif 1589 1590#endif /*_LINUX_ACPI_H*/