at v6.15 46 kB view raw
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; 333 334int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); 335int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 336int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); 337 338void acpi_set_irq_model(enum acpi_irq_model_id model, 339 struct fwnode_handle *(*)(u32)); 340void acpi_set_gsi_to_irq_fallback(u32 (*)(u32)); 341 342struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags, 343 unsigned int size, 344 struct fwnode_handle *fwnode, 345 const struct irq_domain_ops *ops, 346 void *host_data); 347 348#ifdef CONFIG_X86_IO_APIC 349extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); 350#else 351static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity) 352{ 353 return -1; 354} 355#endif 356/* 357 * This function undoes the effect of one call to acpi_register_gsi(). 358 * If this matches the last registration, any IRQ resources for gsi 359 * are freed. 360 */ 361void acpi_unregister_gsi (u32 gsi); 362 363struct pci_dev; 364 365struct acpi_prt_entry *acpi_pci_irq_lookup(struct pci_dev *dev, int pin); 366int acpi_pci_irq_enable (struct pci_dev *dev); 367void acpi_penalize_isa_irq(int irq, int active); 368bool acpi_isa_irq_available(int irq); 369#ifdef CONFIG_PCI 370void acpi_penalize_sci_irq(int irq, int trigger, int polarity); 371#else 372static inline void acpi_penalize_sci_irq(int irq, int trigger, 373 int polarity) 374{ 375} 376#endif 377void acpi_pci_irq_disable (struct pci_dev *dev); 378 379extern int ec_read(u8 addr, u8 *val); 380extern int ec_write(u8 addr, u8 val); 381extern int ec_transaction(u8 command, 382 const u8 *wdata, unsigned wdata_len, 383 u8 *rdata, unsigned rdata_len); 384extern acpi_handle ec_get_handle(void); 385 386extern bool acpi_is_pnp_device(struct acpi_device *); 387 388#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 389 390typedef void (*wmi_notify_handler) (union acpi_object *data, void *context); 391 392int wmi_instance_count(const char *guid); 393 394extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 395 u32 method_id, 396 const struct acpi_buffer *in, 397 struct acpi_buffer *out); 398extern acpi_status wmi_query_block(const char *guid, u8 instance, 399 struct acpi_buffer *out); 400extern acpi_status wmi_set_block(const char *guid, u8 instance, 401 const struct acpi_buffer *in); 402extern acpi_status wmi_install_notify_handler(const char *guid, 403 wmi_notify_handler handler, void *data); 404extern acpi_status wmi_remove_notify_handler(const char *guid); 405extern bool wmi_has_guid(const char *guid); 406extern char *wmi_get_acpi_device_uid(const char *guid); 407 408#endif /* CONFIG_ACPI_WMI */ 409 410#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 411#define ACPI_VIDEO_DEVICE_POSTING 0x0002 412#define ACPI_VIDEO_ROM_AVAILABLE 0x0004 413#define ACPI_VIDEO_BACKLIGHT 0x0008 414#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 415#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 416#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 417#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 418#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 419#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 420#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 421#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 422 423extern char acpi_video_backlight_string[]; 424extern long acpi_is_video_device(acpi_handle handle); 425 426extern void acpi_osi_setup(char *str); 427extern bool acpi_osi_is_win8(void); 428 429#ifdef CONFIG_ACPI_THERMAL_LIB 430int thermal_acpi_active_trip_temp(struct acpi_device *adev, int id, int *ret_temp); 431int thermal_acpi_passive_trip_temp(struct acpi_device *adev, int *ret_temp); 432int thermal_acpi_hot_trip_temp(struct acpi_device *adev, int *ret_temp); 433int thermal_acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp); 434#endif 435 436#ifdef CONFIG_ACPI_HMAT 437int acpi_get_genport_coordinates(u32 uid, struct access_coordinate *coord); 438#else 439static inline int acpi_get_genport_coordinates(u32 uid, 440 struct access_coordinate *coord) 441{ 442 return -EOPNOTSUPP; 443} 444#endif 445 446#ifdef CONFIG_ACPI_NUMA 447int acpi_map_pxm_to_node(int pxm); 448int acpi_get_node(acpi_handle handle); 449 450/** 451 * pxm_to_online_node - Map proximity ID to online node 452 * @pxm: ACPI proximity ID 453 * 454 * This is similar to pxm_to_node(), but always returns an online 455 * node. When the mapped node from a given proximity ID is offline, it 456 * looks up the node distance table and returns the nearest online node. 457 * 458 * ACPI device drivers, which are called after the NUMA initialization has 459 * completed in the kernel, can call this interface to obtain their device 460 * NUMA topology from ACPI tables. Such drivers do not have to deal with 461 * offline nodes. A node may be offline when SRAT memory entry does not exist, 462 * or NUMA is disabled, ex. "numa=off" on x86. 463 */ 464static inline int pxm_to_online_node(int pxm) 465{ 466 int node = pxm_to_node(pxm); 467 468 return numa_map_to_online_node(node); 469} 470#else 471static inline int pxm_to_online_node(int pxm) 472{ 473 return 0; 474} 475static inline int acpi_map_pxm_to_node(int pxm) 476{ 477 return 0; 478} 479static inline int acpi_get_node(acpi_handle handle) 480{ 481 return 0; 482} 483#endif 484extern int pnpacpi_disabled; 485 486#define PXM_INVAL (-1) 487 488bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res); 489bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res); 490bool acpi_dev_resource_address_space(struct acpi_resource *ares, 491 struct resource_win *win); 492bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, 493 struct resource_win *win); 494unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, u8 wake_capable); 495unsigned int acpi_dev_get_irq_type(int triggering, int polarity); 496bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, 497 struct resource *res); 498 499void acpi_dev_free_resource_list(struct list_head *list); 500int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, 501 int (*preproc)(struct acpi_resource *, void *), 502 void *preproc_data); 503int acpi_dev_get_dma_resources(struct acpi_device *adev, 504 struct list_head *list); 505int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list); 506int acpi_dev_filter_resource_type(struct acpi_resource *ares, 507 unsigned long types); 508 509static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares, 510 void *arg) 511{ 512 return acpi_dev_filter_resource_type(ares, (unsigned long)arg); 513} 514 515struct acpi_device *acpi_resource_consumer(struct resource *res); 516 517int acpi_check_resource_conflict(const struct resource *res); 518 519int acpi_check_region(resource_size_t start, resource_size_t n, 520 const char *name); 521 522int acpi_resources_are_enforced(void); 523 524#ifdef CONFIG_HIBERNATION 525extern int acpi_check_s4_hw_signature; 526#endif 527 528#ifdef CONFIG_PM_SLEEP 529void __init acpi_old_suspend_ordering(void); 530void __init acpi_nvs_nosave(void); 531void __init acpi_nvs_nosave_s3(void); 532void __init acpi_sleep_no_blacklist(void); 533#endif /* CONFIG_PM_SLEEP */ 534 535int acpi_register_wakeup_handler( 536 int wake_irq, bool (*wakeup)(void *context), void *context); 537void acpi_unregister_wakeup_handler( 538 bool (*wakeup)(void *context), void *context); 539 540struct acpi_osc_context { 541 char *uuid_str; /* UUID string */ 542 int rev; 543 struct acpi_buffer cap; /* list of DWORD capabilities */ 544 struct acpi_buffer ret; /* free by caller if success */ 545}; 546 547acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); 548 549/* Number of _OSC capability DWORDS depends on bridge type */ 550#define OSC_PCI_CAPABILITY_DWORDS 3 551#define OSC_CXL_CAPABILITY_DWORDS 5 552 553/* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */ 554#define OSC_QUERY_DWORD 0 /* DWORD 1 */ 555#define OSC_SUPPORT_DWORD 1 /* DWORD 2 */ 556#define OSC_CONTROL_DWORD 2 /* DWORD 3 */ 557#define OSC_EXT_SUPPORT_DWORD 3 /* DWORD 4 */ 558#define OSC_EXT_CONTROL_DWORD 4 /* DWORD 5 */ 559 560/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */ 561#define OSC_QUERY_ENABLE 0x00000001 /* input */ 562#define OSC_REQUEST_ERROR 0x00000002 /* return */ 563#define OSC_INVALID_UUID_ERROR 0x00000004 /* return */ 564#define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */ 565#define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */ 566 567/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */ 568#define OSC_SB_PAD_SUPPORT 0x00000001 569#define OSC_SB_PPC_OST_SUPPORT 0x00000002 570#define OSC_SB_PR3_SUPPORT 0x00000004 571#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008 572#define OSC_SB_APEI_SUPPORT 0x00000010 573#define OSC_SB_CPC_SUPPORT 0x00000020 574#define OSC_SB_CPCV2_SUPPORT 0x00000040 575#define OSC_SB_PCLPI_SUPPORT 0x00000080 576#define OSC_SB_OSLPI_SUPPORT 0x00000100 577#define OSC_SB_FAST_THERMAL_SAMPLING_SUPPORT 0x00000200 578#define OSC_SB_OVER_16_PSTATES_SUPPORT 0x00000400 579#define OSC_SB_GED_SUPPORT 0x00000800 580#define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 581#define OSC_SB_IRQ_RESOURCE_SOURCE_SUPPORT 0x00002000 582#define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000 583#define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00020000 584#define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000 585#define OSC_SB_BATTERY_CHARGE_LIMITING_SUPPORT 0x00080000 586#define OSC_SB_PRM_SUPPORT 0x00200000 587#define OSC_SB_FFH_OPR_SUPPORT 0x00400000 588 589extern bool osc_sb_apei_support_acked; 590extern bool osc_pc_lpi_support_confirmed; 591extern bool osc_sb_native_usb4_support_confirmed; 592extern bool osc_sb_cppc2_support_acked; 593extern bool osc_cpc_flexible_adr_space_confirmed; 594 595/* USB4 Capabilities */ 596#define OSC_USB_USB3_TUNNELING 0x00000001 597#define OSC_USB_DP_TUNNELING 0x00000002 598#define OSC_USB_PCIE_TUNNELING 0x00000004 599#define OSC_USB_XDOMAIN 0x00000008 600 601extern u32 osc_sb_native_usb4_control; 602 603/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */ 604#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001 605#define OSC_PCI_ASPM_SUPPORT 0x00000002 606#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004 607#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008 608#define OSC_PCI_MSI_SUPPORT 0x00000010 609#define OSC_PCI_EDR_SUPPORT 0x00000080 610#define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100 611 612/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */ 613#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001 614#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002 615#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004 616#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008 617#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010 618#define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020 619#define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080 620 621/* CXL _OSC: Capabilities DWORD 4: Support Field */ 622#define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT 0x00000001 623#define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT 0x00000002 624#define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT 0x00000004 625#define OSC_CXL_NATIVE_HP_SUPPORT 0x00000008 626 627/* CXL _OSC: Capabilities DWORD 5: Control Field */ 628#define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001 629 630static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context) 631{ 632 u32 *ret = context->ret.pointer; 633 634 return ret[OSC_CONTROL_DWORD]; 635} 636 637static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context) 638{ 639 u32 *ret = context->ret.pointer; 640 641 return ret[OSC_EXT_CONTROL_DWORD]; 642} 643 644#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002 645#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004 646#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006 647#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008 648#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A 649#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B 650#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C 651#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D 652#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E 653#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F 654 655/* Enable _OST when all relevant hotplug operations are enabled */ 656#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ 657 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \ 658 defined(CONFIG_ACPI_CONTAINER) 659#define ACPI_HOTPLUG_OST 660#endif 661 662/* _OST Source Event Code (OSPM Action) */ 663#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100 664#define ACPI_OST_EC_OSPM_EJECT 0x103 665#define ACPI_OST_EC_OSPM_INSERTION 0x200 666 667/* _OST General Processing Status Code */ 668#define ACPI_OST_SC_SUCCESS 0x0 669#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1 670#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2 671 672/* _OST OS Shutdown Processing (0x100) Status Code */ 673#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80 674#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81 675#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82 676#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83 677 678/* _OST Ejection Request (0x3, 0x103) Status Code */ 679#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80 680#define ACPI_OST_SC_DEVICE_IN_USE 0x81 681#define ACPI_OST_SC_DEVICE_BUSY 0x82 682#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83 683#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84 684 685/* _OST Insertion Request (0x200) Status Code */ 686#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80 687#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 688#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 689 690enum acpi_predicate { 691 all_versions, 692 less_than_or_equal, 693 equal, 694 greater_than_or_equal, 695}; 696 697/* Table must be terminted by a NULL entry */ 698struct acpi_platform_list { 699 char oem_id[ACPI_OEM_ID_SIZE+1]; 700 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1]; 701 u32 oem_revision; 702 char *table; 703 enum acpi_predicate pred; 704 char *reason; 705 u32 data; 706}; 707int acpi_match_platform_list(const struct acpi_platform_list *plat); 708 709extern void acpi_early_init(void); 710extern void acpi_subsystem_init(void); 711 712extern int acpi_nvs_register(__u64 start, __u64 size); 713 714extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 715 void *data); 716 717const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids, 718 const struct acpi_device *adev); 719 720const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, 721 const struct device *dev); 722 723const void *acpi_device_get_match_data(const struct device *dev); 724extern bool acpi_driver_match_device(struct device *dev, 725 const struct device_driver *drv); 726int acpi_device_uevent_modalias(const struct device *, struct kobj_uevent_env *); 727int acpi_device_modalias(struct device *, char *, int); 728 729struct platform_device *acpi_create_platform_device(struct acpi_device *, 730 const struct property_entry *); 731#define ACPI_PTR(_ptr) (_ptr) 732 733static inline void acpi_device_set_enumerated(struct acpi_device *adev) 734{ 735 adev->flags.visited = true; 736} 737 738static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 739{ 740 adev->flags.visited = false; 741} 742 743enum acpi_reconfig_event { 744 ACPI_RECONFIG_DEVICE_ADD = 0, 745 ACPI_RECONFIG_DEVICE_REMOVE, 746}; 747 748int acpi_reconfig_notifier_register(struct notifier_block *nb); 749int acpi_reconfig_notifier_unregister(struct notifier_block *nb); 750 751#ifdef CONFIG_ACPI_GTDT 752int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count); 753int acpi_gtdt_map_ppi(int type); 754bool acpi_gtdt_c3stop(int type); 755int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count); 756#endif 757 758#ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER 759static inline void acpi_arch_set_root_pointer(u64 addr) 760{ 761} 762#endif 763 764#ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER 765static inline u64 acpi_arch_get_root_pointer(void) 766{ 767 return 0; 768} 769#endif 770 771int acpi_get_local_u64_address(acpi_handle handle, u64 *addr); 772int acpi_get_local_address(acpi_handle handle, u32 *addr); 773const char *acpi_get_subsystem_id(acpi_handle handle); 774 775#else /* !CONFIG_ACPI */ 776 777#define acpi_disabled 1 778 779#define ACPI_COMPANION(dev) (NULL) 780#define ACPI_COMPANION_SET(dev, adev) do { } while (0) 781#define ACPI_HANDLE(dev) (NULL) 782#define ACPI_HANDLE_FWNODE(fwnode) (NULL) 783 784/* Get rid of the -Wunused-variable for adev */ 785#define acpi_dev_uid_match(adev, uid2) (adev && false) 786#define acpi_dev_hid_uid_match(adev, hid2, uid2) (adev && false) 787 788struct fwnode_handle; 789 790static inline bool acpi_dev_found(const char *hid) 791{ 792 return false; 793} 794 795static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv) 796{ 797 return false; 798} 799 800struct acpi_device; 801 802static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer) 803{ 804 return -ENODEV; 805} 806 807static inline struct acpi_device * 808acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv) 809{ 810 return NULL; 811} 812 813static inline bool acpi_reduced_hardware(void) 814{ 815 return false; 816} 817 818static inline void acpi_dev_put(struct acpi_device *adev) {} 819 820static inline bool is_acpi_node(const struct fwnode_handle *fwnode) 821{ 822 return false; 823} 824 825static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode) 826{ 827 return false; 828} 829 830static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode) 831{ 832 return NULL; 833} 834 835static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode) 836{ 837 return false; 838} 839 840static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode) 841{ 842 return NULL; 843} 844 845static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode, 846 const char *name) 847{ 848 return false; 849} 850 851static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) 852{ 853 return NULL; 854} 855 856static inline acpi_handle acpi_device_handle(struct acpi_device *adev) 857{ 858 return NULL; 859} 860 861static inline bool has_acpi_companion(struct device *dev) 862{ 863 return false; 864} 865 866static inline void acpi_preset_companion(struct device *dev, 867 struct acpi_device *parent, u64 addr) 868{ 869} 870 871static inline const char *acpi_dev_name(struct acpi_device *adev) 872{ 873 return NULL; 874} 875 876static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev) 877{ 878 return NULL; 879} 880 881static inline void acpi_early_init(void) { } 882static inline void acpi_subsystem_init(void) { } 883 884static inline int early_acpi_boot_init(void) 885{ 886 return 0; 887} 888static inline int acpi_boot_init(void) 889{ 890 return 0; 891} 892 893static inline void acpi_boot_table_prepare(void) 894{ 895} 896 897static inline void acpi_boot_table_init(void) 898{ 899} 900 901static inline int acpi_mps_check(void) 902{ 903 return 0; 904} 905 906static inline int acpi_check_resource_conflict(struct resource *res) 907{ 908 return 0; 909} 910 911static inline int acpi_check_region(resource_size_t start, resource_size_t n, 912 const char *name) 913{ 914 return 0; 915} 916 917struct acpi_table_header; 918static inline int acpi_table_parse(char *id, 919 int (*handler)(struct acpi_table_header *)) 920{ 921 return -ENODEV; 922} 923 924static inline int acpi_nvs_register(__u64 start, __u64 size) 925{ 926 return 0; 927} 928 929static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 930 void *data) 931{ 932 return 0; 933} 934 935struct acpi_device_id; 936 937static inline const struct acpi_device_id *acpi_match_acpi_device( 938 const struct acpi_device_id *ids, const struct acpi_device *adev) 939{ 940 return NULL; 941} 942 943static inline const struct acpi_device_id *acpi_match_device( 944 const struct acpi_device_id *ids, const struct device *dev) 945{ 946 return NULL; 947} 948 949static inline const void *acpi_device_get_match_data(const struct device *dev) 950{ 951 return NULL; 952} 953 954static inline bool acpi_driver_match_device(struct device *dev, 955 const struct device_driver *drv) 956{ 957 return false; 958} 959 960static inline bool acpi_check_dsm(acpi_handle handle, const guid_t *guid, 961 u64 rev, u64 funcs) 962{ 963 return false; 964} 965 966static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle, 967 const guid_t *guid, 968 u64 rev, u64 func, 969 union acpi_object *argv4) 970{ 971 return NULL; 972} 973 974static inline union acpi_object *acpi_evaluate_dsm_typed(acpi_handle handle, 975 const guid_t *guid, 976 u64 rev, u64 func, 977 union acpi_object *argv4, 978 acpi_object_type type) 979{ 980 return NULL; 981} 982 983static inline int acpi_device_uevent_modalias(const struct device *dev, 984 struct kobj_uevent_env *env) 985{ 986 return -ENODEV; 987} 988 989static inline int acpi_device_modalias(struct device *dev, 990 char *buf, int size) 991{ 992 return -ENODEV; 993} 994 995static inline struct platform_device * 996acpi_create_platform_device(struct acpi_device *adev, 997 const struct property_entry *properties) 998{ 999 return NULL; 1000} 1001 1002static inline bool acpi_dma_supported(const struct acpi_device *adev) 1003{ 1004 return false; 1005} 1006 1007static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev) 1008{ 1009 return DEV_DMA_NOT_SUPPORTED; 1010} 1011 1012static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map) 1013{ 1014 return -ENODEV; 1015} 1016 1017static inline int acpi_dma_configure(struct device *dev, 1018 enum dev_dma_attr attr) 1019{ 1020 return 0; 1021} 1022 1023static inline int acpi_dma_configure_id(struct device *dev, 1024 enum dev_dma_attr attr, 1025 const u32 *input_id) 1026{ 1027 return 0; 1028} 1029 1030#define ACPI_PTR(_ptr) (NULL) 1031 1032static inline void acpi_device_set_enumerated(struct acpi_device *adev) 1033{ 1034} 1035 1036static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 1037{ 1038} 1039 1040static inline int acpi_reconfig_notifier_register(struct notifier_block *nb) 1041{ 1042 return -EINVAL; 1043} 1044 1045static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb) 1046{ 1047 return -EINVAL; 1048} 1049 1050static inline struct acpi_device *acpi_resource_consumer(struct resource *res) 1051{ 1052 return NULL; 1053} 1054 1055static inline int acpi_get_local_address(acpi_handle handle, u32 *addr) 1056{ 1057 return -ENODEV; 1058} 1059 1060static inline const char *acpi_get_subsystem_id(acpi_handle handle) 1061{ 1062 return ERR_PTR(-ENODEV); 1063} 1064 1065static inline int acpi_register_wakeup_handler(int wake_irq, 1066 bool (*wakeup)(void *context), void *context) 1067{ 1068 return -ENXIO; 1069} 1070 1071static inline void acpi_unregister_wakeup_handler( 1072 bool (*wakeup)(void *context), void *context) { } 1073 1074struct acpi_osc_context; 1075static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context) 1076{ 1077 return 0; 1078} 1079 1080static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context) 1081{ 1082 return 0; 1083} 1084 1085static inline bool acpi_sleep_state_supported(u8 sleep_state) 1086{ 1087 return false; 1088} 1089 1090static inline acpi_handle acpi_get_processor_handle(int cpu) 1091{ 1092 return NULL; 1093} 1094 1095#endif /* !CONFIG_ACPI */ 1096 1097#ifdef CONFIG_ACPI_HMAT 1098int hmat_get_extended_linear_cache_size(struct resource *backing_res, int nid, 1099 resource_size_t *size); 1100#else 1101static inline int hmat_get_extended_linear_cache_size(struct resource *backing_res, 1102 int nid, resource_size_t *size) 1103{ 1104 return -EOPNOTSUPP; 1105} 1106#endif 1107 1108extern void arch_post_acpi_subsys_init(void); 1109 1110#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 1111int acpi_ioapic_add(acpi_handle root); 1112#else 1113static inline int acpi_ioapic_add(acpi_handle root) { return 0; } 1114#endif 1115 1116#ifdef CONFIG_ACPI 1117void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, 1118 u32 pm1a_ctrl, u32 pm1b_ctrl)); 1119 1120acpi_status acpi_os_prepare_sleep(u8 sleep_state, 1121 u32 pm1a_control, u32 pm1b_control); 1122 1123void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, 1124 u32 val_a, u32 val_b)); 1125 1126acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, 1127 u32 val_a, u32 val_b); 1128#if defined(CONFIG_SUSPEND) && defined(CONFIG_X86) 1129struct acpi_s2idle_dev_ops { 1130 struct list_head list_node; 1131 void (*prepare)(void); 1132 void (*check)(void); 1133 void (*restore)(void); 1134}; 1135int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg); 1136void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg); 1137int acpi_get_lps0_constraint(struct acpi_device *adev); 1138#else /* CONFIG_SUSPEND && CONFIG_X86 */ 1139static inline int acpi_get_lps0_constraint(struct device *dev) 1140{ 1141 return ACPI_STATE_UNKNOWN; 1142} 1143#endif /* CONFIG_SUSPEND && CONFIG_X86 */ 1144void arch_reserve_mem_area(acpi_physical_address addr, size_t size); 1145#else 1146#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) 1147#endif 1148 1149#if defined(CONFIG_ACPI) && defined(CONFIG_PM) 1150int acpi_dev_suspend(struct device *dev, bool wakeup); 1151int acpi_dev_resume(struct device *dev); 1152int acpi_subsys_runtime_suspend(struct device *dev); 1153int acpi_subsys_runtime_resume(struct device *dev); 1154int acpi_dev_pm_attach(struct device *dev, bool power_on); 1155bool acpi_storage_d3(struct device *dev); 1156bool acpi_dev_state_d0(struct device *dev); 1157#else 1158static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } 1159static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } 1160static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) 1161{ 1162 return 0; 1163} 1164static inline bool acpi_storage_d3(struct device *dev) 1165{ 1166 return false; 1167} 1168static inline bool acpi_dev_state_d0(struct device *dev) 1169{ 1170 return true; 1171} 1172#endif 1173 1174#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) 1175int acpi_subsys_prepare(struct device *dev); 1176void acpi_subsys_complete(struct device *dev); 1177int acpi_subsys_suspend_late(struct device *dev); 1178int acpi_subsys_suspend_noirq(struct device *dev); 1179int acpi_subsys_suspend(struct device *dev); 1180int acpi_subsys_freeze(struct device *dev); 1181int acpi_subsys_poweroff(struct device *dev); 1182int acpi_subsys_restore_early(struct device *dev); 1183#else 1184static inline int acpi_subsys_prepare(struct device *dev) { return 0; } 1185static inline void acpi_subsys_complete(struct device *dev) {} 1186static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } 1187static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; } 1188static inline int acpi_subsys_suspend(struct device *dev) { return 0; } 1189static inline int acpi_subsys_freeze(struct device *dev) { return 0; } 1190static inline int acpi_subsys_poweroff(struct device *dev) { return 0; } 1191static inline int acpi_subsys_restore_early(struct device *dev) { return 0; } 1192#endif 1193 1194#if defined(CONFIG_ACPI_EC) && defined(CONFIG_PM_SLEEP) 1195void acpi_ec_mark_gpe_for_wake(void); 1196void acpi_ec_set_gpe_wake_mask(u8 action); 1197#else 1198static inline void acpi_ec_mark_gpe_for_wake(void) {} 1199static inline void acpi_ec_set_gpe_wake_mask(u8 action) {} 1200#endif 1201 1202#ifdef CONFIG_ACPI 1203char *acpi_handle_path(acpi_handle handle); 1204__printf(3, 4) 1205void acpi_handle_printk(const char *level, acpi_handle handle, 1206 const char *fmt, ...); 1207void acpi_evaluation_failure_warn(acpi_handle handle, const char *name, 1208 acpi_status status); 1209#else /* !CONFIG_ACPI */ 1210static inline __printf(3, 4) void 1211acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} 1212static inline void acpi_evaluation_failure_warn(acpi_handle handle, 1213 const char *name, 1214 acpi_status status) {} 1215#endif /* !CONFIG_ACPI */ 1216 1217#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) 1218__printf(3, 4) 1219void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); 1220#endif 1221 1222/* 1223 * acpi_handle_<level>: Print message with ACPI prefix and object path 1224 * 1225 * These interfaces acquire the global namespace mutex to obtain an object 1226 * path. In interrupt context, it shows the object path as <n/a>. 1227 */ 1228#define acpi_handle_emerg(handle, fmt, ...) \ 1229 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) 1230#define acpi_handle_alert(handle, fmt, ...) \ 1231 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) 1232#define acpi_handle_crit(handle, fmt, ...) \ 1233 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) 1234#define acpi_handle_err(handle, fmt, ...) \ 1235 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) 1236#define acpi_handle_warn(handle, fmt, ...) \ 1237 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) 1238#define acpi_handle_notice(handle, fmt, ...) \ 1239 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) 1240#define acpi_handle_info(handle, fmt, ...) \ 1241 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) 1242 1243#if defined(DEBUG) 1244#define acpi_handle_debug(handle, fmt, ...) \ 1245 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) 1246#else 1247#if defined(CONFIG_DYNAMIC_DEBUG) 1248#define acpi_handle_debug(handle, fmt, ...) \ 1249 _dynamic_func_call(fmt, __acpi_handle_debug, \ 1250 handle, pr_fmt(fmt), ##__VA_ARGS__) 1251#else 1252#define acpi_handle_debug(handle, fmt, ...) \ 1253({ \ 1254 if (0) \ 1255 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ 1256 0; \ 1257}) 1258#endif 1259#endif 1260 1261#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) 1262bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1263 struct acpi_resource_gpio **agpio); 1264bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1265 struct acpi_resource_gpio **agpio); 1266int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id, int index, 1267 bool *wake_capable); 1268#else 1269static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1270 struct acpi_resource_gpio **agpio) 1271{ 1272 return false; 1273} 1274static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1275 struct acpi_resource_gpio **agpio) 1276{ 1277 return false; 1278} 1279static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id, 1280 int index, bool *wake_capable) 1281{ 1282 return -ENXIO; 1283} 1284#endif 1285 1286static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index, 1287 bool *wake_capable) 1288{ 1289 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable); 1290} 1291 1292static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *con_id, 1293 int index) 1294{ 1295 return acpi_dev_gpio_irq_wake_get_by(adev, con_id, index, NULL); 1296} 1297 1298static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) 1299{ 1300 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL); 1301} 1302 1303/* Device properties */ 1304 1305#ifdef CONFIG_ACPI 1306int acpi_dev_get_property(const struct acpi_device *adev, const char *name, 1307 acpi_object_type type, const union acpi_object **obj); 1308int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1309 const char *name, size_t index, size_t num_args, 1310 struct fwnode_reference_args *args); 1311 1312static inline int acpi_node_get_property_reference( 1313 const struct fwnode_handle *fwnode, 1314 const char *name, size_t index, 1315 struct fwnode_reference_args *args) 1316{ 1317 return __acpi_node_get_property_reference(fwnode, name, index, 1318 NR_FWNODE_REFERENCE_ARGS, args); 1319} 1320 1321static inline bool acpi_dev_has_props(const struct acpi_device *adev) 1322{ 1323 return !list_empty(&adev->data.properties); 1324} 1325 1326struct acpi_device_properties * 1327acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid, 1328 union acpi_object *properties); 1329 1330int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname, 1331 void **valptr); 1332 1333struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1334 struct fwnode_handle *child); 1335 1336struct acpi_probe_entry; 1337typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *, 1338 struct acpi_probe_entry *); 1339 1340#define ACPI_TABLE_ID_LEN 5 1341 1342/** 1343 * struct acpi_probe_entry - boot-time probing entry 1344 * @id: ACPI table name 1345 * @type: Optional subtable type to match 1346 * (if @id contains subtables) 1347 * @subtable_valid: Optional callback to check the validity of 1348 * the subtable 1349 * @probe_table: Callback to the driver being probed when table 1350 * match is successful 1351 * @probe_subtbl: Callback to the driver being probed when table and 1352 * subtable match (and optional callback is successful) 1353 * @driver_data: Sideband data provided back to the driver 1354 */ 1355struct acpi_probe_entry { 1356 __u8 id[ACPI_TABLE_ID_LEN]; 1357 __u8 type; 1358 acpi_probe_entry_validate_subtbl subtable_valid; 1359 union { 1360 acpi_tbl_table_handler probe_table; 1361 acpi_tbl_entry_handler probe_subtbl; 1362 }; 1363 kernel_ulong_t driver_data; 1364}; 1365 1366void arch_sort_irqchip_probe(struct acpi_probe_entry *ap_head, int nr); 1367 1368#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \ 1369 valid, data, fn) \ 1370 static const struct acpi_probe_entry __acpi_probe_##name \ 1371 __used __section("__" #table "_acpi_probe_table") = { \ 1372 .id = table_id, \ 1373 .type = subtable, \ 1374 .subtable_valid = valid, \ 1375 .probe_table = fn, \ 1376 .driver_data = data, \ 1377 } 1378 1379#define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \ 1380 subtable, valid, data, fn) \ 1381 static const struct acpi_probe_entry __acpi_probe_##name \ 1382 __used __section("__" #table "_acpi_probe_table") = { \ 1383 .id = table_id, \ 1384 .type = subtable, \ 1385 .subtable_valid = valid, \ 1386 .probe_subtbl = fn, \ 1387 .driver_data = data, \ 1388 } 1389 1390#define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table 1391#define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end 1392 1393int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr); 1394 1395#define acpi_probe_device_table(t) \ 1396 ({ \ 1397 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \ 1398 ACPI_PROBE_TABLE_END(t); \ 1399 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \ 1400 (&ACPI_PROBE_TABLE_END(t) - \ 1401 &ACPI_PROBE_TABLE(t))); \ 1402 }) 1403#else 1404static inline int acpi_dev_get_property(struct acpi_device *adev, 1405 const char *name, acpi_object_type type, 1406 const union acpi_object **obj) 1407{ 1408 return -ENXIO; 1409} 1410 1411static inline int 1412__acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1413 const char *name, size_t index, size_t num_args, 1414 struct fwnode_reference_args *args) 1415{ 1416 return -ENXIO; 1417} 1418 1419static inline int 1420acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1421 const char *name, size_t index, 1422 struct fwnode_reference_args *args) 1423{ 1424 return -ENXIO; 1425} 1426 1427static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode, 1428 const char *propname, 1429 void **valptr) 1430{ 1431 return -ENXIO; 1432} 1433 1434static inline struct fwnode_handle * 1435acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1436 struct fwnode_handle *child) 1437{ 1438 return NULL; 1439} 1440 1441static inline struct fwnode_handle * 1442acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode, 1443 struct fwnode_handle *prev) 1444{ 1445 return ERR_PTR(-ENXIO); 1446} 1447 1448static inline int 1449acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode, 1450 struct fwnode_handle **remote, 1451 struct fwnode_handle **port, 1452 struct fwnode_handle **endpoint) 1453{ 1454 return -ENXIO; 1455} 1456 1457#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ 1458 static const void * __acpi_table_##name[] \ 1459 __attribute__((unused)) \ 1460 = { (void *) table_id, \ 1461 (void *) subtable, \ 1462 (void *) valid, \ 1463 (void *) fn, \ 1464 (void *) data } 1465 1466#define acpi_probe_device_table(t) ({ int __r = 0; __r;}) 1467#endif 1468 1469#ifdef CONFIG_ACPI_TABLE_UPGRADE 1470void acpi_table_upgrade(void); 1471#else 1472static inline void acpi_table_upgrade(void) { } 1473#endif 1474 1475#if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG) 1476extern bool acpi_has_watchdog(void); 1477#else 1478static inline bool acpi_has_watchdog(void) { return false; } 1479#endif 1480 1481#ifdef CONFIG_ACPI_SPCR_TABLE 1482extern bool qdf2400_e44_present; 1483int acpi_parse_spcr(bool enable_earlycon, bool enable_console); 1484#else 1485static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console) 1486{ 1487 return 0; 1488} 1489#endif 1490 1491#if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI) 1492int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res); 1493#else 1494static inline 1495int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res) 1496{ 1497 return -EINVAL; 1498} 1499#endif 1500 1501#ifdef CONFIG_ACPI_LPIT 1502int lpit_read_residency_count_address(u64 *address); 1503#else 1504static inline int lpit_read_residency_count_address(u64 *address) 1505{ 1506 return -EINVAL; 1507} 1508#endif 1509 1510#ifdef CONFIG_ACPI_PROCESSOR_IDLE 1511#ifndef arch_get_idle_state_flags 1512static inline unsigned int arch_get_idle_state_flags(u32 arch_flags) 1513{ 1514 return 0; 1515} 1516#endif 1517#endif /* CONFIG_ACPI_PROCESSOR_IDLE */ 1518 1519#ifdef CONFIG_ACPI_PPTT 1520int acpi_pptt_cpu_is_thread(unsigned int cpu); 1521int find_acpi_cpu_topology(unsigned int cpu, int level); 1522int find_acpi_cpu_topology_cluster(unsigned int cpu); 1523int find_acpi_cpu_topology_package(unsigned int cpu); 1524int find_acpi_cpu_topology_hetero_id(unsigned int cpu); 1525#else 1526static inline int acpi_pptt_cpu_is_thread(unsigned int cpu) 1527{ 1528 return -EINVAL; 1529} 1530static inline int find_acpi_cpu_topology(unsigned int cpu, int level) 1531{ 1532 return -EINVAL; 1533} 1534static inline int find_acpi_cpu_topology_cluster(unsigned int cpu) 1535{ 1536 return -EINVAL; 1537} 1538static inline int find_acpi_cpu_topology_package(unsigned int cpu) 1539{ 1540 return -EINVAL; 1541} 1542static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu) 1543{ 1544 return -EINVAL; 1545} 1546#endif 1547 1548void acpi_arch_init(void); 1549 1550#ifdef CONFIG_ACPI_PCC 1551void acpi_init_pcc(void); 1552#else 1553static inline void acpi_init_pcc(void) { } 1554#endif 1555 1556#ifdef CONFIG_ACPI_FFH 1557void acpi_init_ffh(void); 1558extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt, 1559 void **region_ctxt); 1560extern int acpi_ffh_address_space_arch_handler(acpi_integer *value, 1561 void *region_context); 1562#else 1563static inline void acpi_init_ffh(void) { } 1564#endif 1565 1566#ifdef CONFIG_ACPI 1567extern void acpi_device_notify(struct device *dev); 1568extern void acpi_device_notify_remove(struct device *dev); 1569#else 1570static inline void acpi_device_notify(struct device *dev) { } 1571static inline void acpi_device_notify_remove(struct device *dev) { } 1572#endif 1573 1574static inline void acpi_use_parent_companion(struct device *dev) 1575{ 1576 ACPI_COMPANION_SET(dev, ACPI_COMPANION(dev->parent)); 1577} 1578 1579#ifdef CONFIG_ACPI_HMAT 1580int hmat_update_target_coordinates(int nid, struct access_coordinate *coord, 1581 enum access_coordinate_class access); 1582#else 1583static inline int hmat_update_target_coordinates(int nid, 1584 struct access_coordinate *coord, 1585 enum access_coordinate_class access) 1586{ 1587 return -EOPNOTSUPP; 1588} 1589#endif 1590 1591#ifdef CONFIG_ACPI_NUMA 1592bool acpi_node_backed_by_real_pxm(int nid); 1593#else 1594static inline bool acpi_node_backed_by_real_pxm(int nid) 1595{ 1596 return false; 1597} 1598#endif 1599 1600#endif /*_LINUX_ACPI_H*/