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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_COUNT 111}; 112 113extern enum acpi_irq_model_id acpi_irq_model; 114 115enum acpi_interrupt_id { 116 ACPI_INTERRUPT_PMI = 1, 117 ACPI_INTERRUPT_INIT, 118 ACPI_INTERRUPT_CPEI, 119 ACPI_INTERRUPT_COUNT 120}; 121 122#define ACPI_SPACE_MEM 0 123 124enum acpi_address_range_id { 125 ACPI_ADDRESS_RANGE_MEMORY = 1, 126 ACPI_ADDRESS_RANGE_RESERVED = 2, 127 ACPI_ADDRESS_RANGE_ACPI = 3, 128 ACPI_ADDRESS_RANGE_NVS = 4, 129 ACPI_ADDRESS_RANGE_COUNT 130}; 131 132 133/* Table Handlers */ 134typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table); 135 136/* Debugger support */ 137 138struct acpi_debugger_ops { 139 int (*create_thread)(acpi_osd_exec_callback function, void *context); 140 ssize_t (*write_log)(const char *msg); 141 ssize_t (*read_cmd)(char *buffer, size_t length); 142 int (*wait_command_ready)(bool single_step, char *buffer, size_t length); 143 int (*notify_command_complete)(void); 144}; 145 146struct acpi_debugger { 147 const struct acpi_debugger_ops *ops; 148 struct module *owner; 149 struct mutex lock; 150}; 151 152#ifdef CONFIG_ACPI_DEBUGGER 153int __init acpi_debugger_init(void); 154int acpi_register_debugger(struct module *owner, 155 const struct acpi_debugger_ops *ops); 156void acpi_unregister_debugger(const struct acpi_debugger_ops *ops); 157int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context); 158ssize_t acpi_debugger_write_log(const char *msg); 159ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length); 160int acpi_debugger_wait_command_ready(void); 161int acpi_debugger_notify_command_complete(void); 162#else 163static inline int acpi_debugger_init(void) 164{ 165 return -ENODEV; 166} 167 168static inline int acpi_register_debugger(struct module *owner, 169 const struct acpi_debugger_ops *ops) 170{ 171 return -ENODEV; 172} 173 174static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops) 175{ 176} 177 178static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function, 179 void *context) 180{ 181 return -ENODEV; 182} 183 184static inline int acpi_debugger_write_log(const char *msg) 185{ 186 return -ENODEV; 187} 188 189static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length) 190{ 191 return -ENODEV; 192} 193 194static inline int acpi_debugger_wait_command_ready(void) 195{ 196 return -ENODEV; 197} 198 199static inline int acpi_debugger_notify_command_complete(void) 200{ 201 return -ENODEV; 202} 203#endif 204 205#define BAD_MADT_ENTRY(entry, end) ( \ 206 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \ 207 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry)) 208 209void __iomem *__acpi_map_table(unsigned long phys, unsigned long size); 210void __acpi_unmap_table(void __iomem *map, unsigned long size); 211int early_acpi_boot_init(void); 212int acpi_boot_init (void); 213void acpi_boot_table_prepare (void); 214void acpi_boot_table_init (void); 215int acpi_mps_check (void); 216int acpi_numa_init (void); 217 218int acpi_locate_initial_tables (void); 219void acpi_reserve_initial_tables (void); 220void acpi_table_init_complete (void); 221int acpi_table_init (void); 222 223int acpi_table_parse(char *id, acpi_tbl_table_handler handler); 224int __init_or_acpilib acpi_table_parse_entries(char *id, 225 unsigned long table_size, int entry_id, 226 acpi_tbl_entry_handler handler, unsigned int max_entries); 227int __init_or_acpilib acpi_table_parse_entries_array(char *id, 228 unsigned long table_size, struct acpi_subtable_proc *proc, 229 int proc_num, unsigned int max_entries); 230int acpi_table_parse_madt(enum acpi_madt_type id, 231 acpi_tbl_entry_handler handler, 232 unsigned int max_entries); 233int __init_or_acpilib 234acpi_table_parse_cedt(enum acpi_cedt_type id, 235 acpi_tbl_entry_handler_arg handler_arg, void *arg); 236 237int acpi_parse_mcfg (struct acpi_table_header *header); 238void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); 239 240#if defined(CONFIG_X86) || defined(CONFIG_LOONGARCH) 241void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); 242#else 243static inline void 244acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { } 245#endif 246 247void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); 248 249#if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH) 250void acpi_arch_dma_setup(struct device *dev); 251#else 252static inline void acpi_arch_dma_setup(struct device *dev) { } 253#endif 254 255#ifdef CONFIG_ARM64 256void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa); 257#else 258static inline void 259acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { } 260#endif 261 262#ifdef CONFIG_RISCV 263void acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity *pa); 264#else 265static inline void acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity *pa) { } 266#endif 267 268#ifndef PHYS_CPUID_INVALID 269typedef u32 phys_cpuid_t; 270#define PHYS_CPUID_INVALID (phys_cpuid_t)(-1) 271#endif 272 273static inline bool invalid_logical_cpuid(u32 cpuid) 274{ 275 return (int)cpuid < 0; 276} 277 278static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id) 279{ 280 return phys_id == PHYS_CPUID_INVALID; 281} 282 283 284int __init acpi_get_madt_revision(void); 285 286/* Validate the processor object's proc_id */ 287bool acpi_duplicate_processor_id(int proc_id); 288/* Processor _CTS control */ 289struct acpi_processor_power; 290 291#ifdef CONFIG_ACPI_PROCESSOR_CSTATE 292bool acpi_processor_claim_cst_control(void); 293int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, 294 struct acpi_processor_power *info); 295#else 296static inline bool acpi_processor_claim_cst_control(void) { return false; } 297static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, 298 struct acpi_processor_power *info) 299{ 300 return -ENODEV; 301} 302#endif 303 304#ifdef CONFIG_ACPI_HOTPLUG_CPU 305/* Arch dependent functions for cpu hotplug support */ 306int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id, 307 int *pcpu); 308int acpi_unmap_cpu(int cpu); 309#endif /* CONFIG_ACPI_HOTPLUG_CPU */ 310 311acpi_handle acpi_get_processor_handle(int cpu); 312 313#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 314int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr); 315#endif 316 317int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); 318int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); 319int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base); 320void acpi_irq_stats_init(void); 321extern u32 acpi_irq_handled; 322extern u32 acpi_irq_not_handled; 323extern unsigned int acpi_sci_irq; 324extern bool acpi_no_s5; 325#define INVALID_ACPI_IRQ ((unsigned)-1) 326static inline bool acpi_sci_irq_valid(void) 327{ 328 return acpi_sci_irq != INVALID_ACPI_IRQ; 329} 330 331extern int sbf_port; 332extern unsigned long acpi_realmode_flags; 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 365int acpi_pci_irq_enable (struct pci_dev *dev); 366void acpi_penalize_isa_irq(int irq, int active); 367bool acpi_isa_irq_available(int irq); 368#ifdef CONFIG_PCI 369void acpi_penalize_sci_irq(int irq, int trigger, int polarity); 370#else 371static inline void acpi_penalize_sci_irq(int irq, int trigger, 372 int polarity) 373{ 374} 375#endif 376void acpi_pci_irq_disable (struct pci_dev *dev); 377 378extern int ec_read(u8 addr, u8 *val); 379extern int ec_write(u8 addr, u8 val); 380extern int ec_transaction(u8 command, 381 const u8 *wdata, unsigned wdata_len, 382 u8 *rdata, unsigned rdata_len); 383extern acpi_handle ec_get_handle(void); 384 385extern bool acpi_is_pnp_device(struct acpi_device *); 386 387#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 388 389typedef void (*wmi_notify_handler) (u32 value, void *context); 390 391int wmi_instance_count(const char *guid); 392 393extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 394 u32 method_id, 395 const struct acpi_buffer *in, 396 struct acpi_buffer *out); 397extern acpi_status wmi_query_block(const char *guid, u8 instance, 398 struct acpi_buffer *out); 399extern acpi_status wmi_set_block(const char *guid, u8 instance, 400 const struct acpi_buffer *in); 401extern acpi_status wmi_install_notify_handler(const char *guid, 402 wmi_notify_handler handler, void *data); 403extern acpi_status wmi_remove_notify_handler(const char *guid); 404extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); 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 bool has_acpi_companion(struct device *dev) 857{ 858 return false; 859} 860 861static inline void acpi_preset_companion(struct device *dev, 862 struct acpi_device *parent, u64 addr) 863{ 864} 865 866static inline const char *acpi_dev_name(struct acpi_device *adev) 867{ 868 return NULL; 869} 870 871static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev) 872{ 873 return NULL; 874} 875 876static inline void acpi_early_init(void) { } 877static inline void acpi_subsystem_init(void) { } 878 879static inline int early_acpi_boot_init(void) 880{ 881 return 0; 882} 883static inline int acpi_boot_init(void) 884{ 885 return 0; 886} 887 888static inline void acpi_boot_table_prepare(void) 889{ 890} 891 892static inline void acpi_boot_table_init(void) 893{ 894} 895 896static inline int acpi_mps_check(void) 897{ 898 return 0; 899} 900 901static inline int acpi_check_resource_conflict(struct resource *res) 902{ 903 return 0; 904} 905 906static inline int acpi_check_region(resource_size_t start, resource_size_t n, 907 const char *name) 908{ 909 return 0; 910} 911 912struct acpi_table_header; 913static inline int acpi_table_parse(char *id, 914 int (*handler)(struct acpi_table_header *)) 915{ 916 return -ENODEV; 917} 918 919static inline int acpi_nvs_register(__u64 start, __u64 size) 920{ 921 return 0; 922} 923 924static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 925 void *data) 926{ 927 return 0; 928} 929 930struct acpi_device_id; 931 932static inline const struct acpi_device_id *acpi_match_acpi_device( 933 const struct acpi_device_id *ids, const struct acpi_device *adev) 934{ 935 return NULL; 936} 937 938static inline const struct acpi_device_id *acpi_match_device( 939 const struct acpi_device_id *ids, const struct device *dev) 940{ 941 return NULL; 942} 943 944static inline const void *acpi_device_get_match_data(const struct device *dev) 945{ 946 return NULL; 947} 948 949static inline bool acpi_driver_match_device(struct device *dev, 950 const struct device_driver *drv) 951{ 952 return false; 953} 954 955static inline bool acpi_check_dsm(acpi_handle handle, const guid_t *guid, 956 u64 rev, u64 funcs) 957{ 958 return false; 959} 960 961static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle, 962 const guid_t *guid, 963 u64 rev, u64 func, 964 union acpi_object *argv4) 965{ 966 return NULL; 967} 968 969static inline union acpi_object *acpi_evaluate_dsm_typed(acpi_handle handle, 970 const guid_t *guid, 971 u64 rev, u64 func, 972 union acpi_object *argv4, 973 acpi_object_type type) 974{ 975 return NULL; 976} 977 978static inline int acpi_device_uevent_modalias(const struct device *dev, 979 struct kobj_uevent_env *env) 980{ 981 return -ENODEV; 982} 983 984static inline int acpi_device_modalias(struct device *dev, 985 char *buf, int size) 986{ 987 return -ENODEV; 988} 989 990static inline struct platform_device * 991acpi_create_platform_device(struct acpi_device *adev, 992 const struct property_entry *properties) 993{ 994 return NULL; 995} 996 997static inline bool acpi_dma_supported(const struct acpi_device *adev) 998{ 999 return false; 1000} 1001 1002static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev) 1003{ 1004 return DEV_DMA_NOT_SUPPORTED; 1005} 1006 1007static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map) 1008{ 1009 return -ENODEV; 1010} 1011 1012static inline int acpi_dma_configure(struct device *dev, 1013 enum dev_dma_attr attr) 1014{ 1015 return 0; 1016} 1017 1018static inline int acpi_dma_configure_id(struct device *dev, 1019 enum dev_dma_attr attr, 1020 const u32 *input_id) 1021{ 1022 return 0; 1023} 1024 1025#define ACPI_PTR(_ptr) (NULL) 1026 1027static inline void acpi_device_set_enumerated(struct acpi_device *adev) 1028{ 1029} 1030 1031static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 1032{ 1033} 1034 1035static inline int acpi_reconfig_notifier_register(struct notifier_block *nb) 1036{ 1037 return -EINVAL; 1038} 1039 1040static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb) 1041{ 1042 return -EINVAL; 1043} 1044 1045static inline struct acpi_device *acpi_resource_consumer(struct resource *res) 1046{ 1047 return NULL; 1048} 1049 1050static inline int acpi_get_local_address(acpi_handle handle, u32 *addr) 1051{ 1052 return -ENODEV; 1053} 1054 1055static inline const char *acpi_get_subsystem_id(acpi_handle handle) 1056{ 1057 return ERR_PTR(-ENODEV); 1058} 1059 1060static inline int acpi_register_wakeup_handler(int wake_irq, 1061 bool (*wakeup)(void *context), void *context) 1062{ 1063 return -ENXIO; 1064} 1065 1066static inline void acpi_unregister_wakeup_handler( 1067 bool (*wakeup)(void *context), void *context) { } 1068 1069struct acpi_osc_context; 1070static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context) 1071{ 1072 return 0; 1073} 1074 1075static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context) 1076{ 1077 return 0; 1078} 1079 1080static inline bool acpi_sleep_state_supported(u8 sleep_state) 1081{ 1082 return false; 1083} 1084 1085static inline acpi_handle acpi_get_processor_handle(int cpu) 1086{ 1087 return NULL; 1088} 1089 1090#endif /* !CONFIG_ACPI */ 1091 1092extern void arch_post_acpi_subsys_init(void); 1093 1094#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 1095int acpi_ioapic_add(acpi_handle root); 1096#else 1097static inline int acpi_ioapic_add(acpi_handle root) { return 0; } 1098#endif 1099 1100#ifdef CONFIG_ACPI 1101void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, 1102 u32 pm1a_ctrl, u32 pm1b_ctrl)); 1103 1104acpi_status acpi_os_prepare_sleep(u8 sleep_state, 1105 u32 pm1a_control, u32 pm1b_control); 1106 1107void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, 1108 u32 val_a, u32 val_b)); 1109 1110acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, 1111 u32 val_a, u32 val_b); 1112#if defined(CONFIG_SUSPEND) && defined(CONFIG_X86) 1113struct acpi_s2idle_dev_ops { 1114 struct list_head list_node; 1115 void (*prepare)(void); 1116 void (*check)(void); 1117 void (*restore)(void); 1118}; 1119int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg); 1120void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg); 1121int acpi_get_lps0_constraint(struct acpi_device *adev); 1122#else /* CONFIG_SUSPEND && CONFIG_X86 */ 1123static inline int acpi_get_lps0_constraint(struct device *dev) 1124{ 1125 return ACPI_STATE_UNKNOWN; 1126} 1127#endif /* CONFIG_SUSPEND && CONFIG_X86 */ 1128void arch_reserve_mem_area(acpi_physical_address addr, size_t size); 1129#else 1130#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) 1131#endif 1132 1133#if defined(CONFIG_ACPI) && defined(CONFIG_PM) 1134int acpi_dev_suspend(struct device *dev, bool wakeup); 1135int acpi_dev_resume(struct device *dev); 1136int acpi_subsys_runtime_suspend(struct device *dev); 1137int acpi_subsys_runtime_resume(struct device *dev); 1138int acpi_dev_pm_attach(struct device *dev, bool power_on); 1139bool acpi_storage_d3(struct device *dev); 1140bool acpi_dev_state_d0(struct device *dev); 1141#else 1142static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } 1143static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } 1144static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) 1145{ 1146 return 0; 1147} 1148static inline bool acpi_storage_d3(struct device *dev) 1149{ 1150 return false; 1151} 1152static inline bool acpi_dev_state_d0(struct device *dev) 1153{ 1154 return true; 1155} 1156#endif 1157 1158#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) 1159int acpi_subsys_prepare(struct device *dev); 1160void acpi_subsys_complete(struct device *dev); 1161int acpi_subsys_suspend_late(struct device *dev); 1162int acpi_subsys_suspend_noirq(struct device *dev); 1163int acpi_subsys_suspend(struct device *dev); 1164int acpi_subsys_freeze(struct device *dev); 1165int acpi_subsys_poweroff(struct device *dev); 1166void acpi_ec_mark_gpe_for_wake(void); 1167void acpi_ec_set_gpe_wake_mask(u8 action); 1168int acpi_subsys_restore_early(struct device *dev); 1169#else 1170static inline int acpi_subsys_prepare(struct device *dev) { return 0; } 1171static inline void acpi_subsys_complete(struct device *dev) {} 1172static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } 1173static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; } 1174static inline int acpi_subsys_suspend(struct device *dev) { return 0; } 1175static inline int acpi_subsys_freeze(struct device *dev) { return 0; } 1176static inline int acpi_subsys_poweroff(struct device *dev) { return 0; } 1177static inline int acpi_subsys_restore_early(struct device *dev) { return 0; } 1178static inline void acpi_ec_mark_gpe_for_wake(void) {} 1179static inline void acpi_ec_set_gpe_wake_mask(u8 action) {} 1180#endif 1181 1182#ifdef CONFIG_ACPI 1183char *acpi_handle_path(acpi_handle handle); 1184__printf(3, 4) 1185void acpi_handle_printk(const char *level, acpi_handle handle, 1186 const char *fmt, ...); 1187void acpi_evaluation_failure_warn(acpi_handle handle, const char *name, 1188 acpi_status status); 1189#else /* !CONFIG_ACPI */ 1190static inline __printf(3, 4) void 1191acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} 1192static inline void acpi_evaluation_failure_warn(acpi_handle handle, 1193 const char *name, 1194 acpi_status status) {} 1195#endif /* !CONFIG_ACPI */ 1196 1197#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) 1198__printf(3, 4) 1199void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); 1200#endif 1201 1202/* 1203 * acpi_handle_<level>: Print message with ACPI prefix and object path 1204 * 1205 * These interfaces acquire the global namespace mutex to obtain an object 1206 * path. In interrupt context, it shows the object path as <n/a>. 1207 */ 1208#define acpi_handle_emerg(handle, fmt, ...) \ 1209 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) 1210#define acpi_handle_alert(handle, fmt, ...) \ 1211 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) 1212#define acpi_handle_crit(handle, fmt, ...) \ 1213 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) 1214#define acpi_handle_err(handle, fmt, ...) \ 1215 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) 1216#define acpi_handle_warn(handle, fmt, ...) \ 1217 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) 1218#define acpi_handle_notice(handle, fmt, ...) \ 1219 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) 1220#define acpi_handle_info(handle, fmt, ...) \ 1221 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) 1222 1223#if defined(DEBUG) 1224#define acpi_handle_debug(handle, fmt, ...) \ 1225 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) 1226#else 1227#if defined(CONFIG_DYNAMIC_DEBUG) 1228#define acpi_handle_debug(handle, fmt, ...) \ 1229 _dynamic_func_call(fmt, __acpi_handle_debug, \ 1230 handle, pr_fmt(fmt), ##__VA_ARGS__) 1231#else 1232#define acpi_handle_debug(handle, fmt, ...) \ 1233({ \ 1234 if (0) \ 1235 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ 1236 0; \ 1237}) 1238#endif 1239#endif 1240 1241#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) 1242bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1243 struct acpi_resource_gpio **agpio); 1244bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1245 struct acpi_resource_gpio **agpio); 1246int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id, int index, 1247 bool *wake_capable); 1248#else 1249static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1250 struct acpi_resource_gpio **agpio) 1251{ 1252 return false; 1253} 1254static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1255 struct acpi_resource_gpio **agpio) 1256{ 1257 return false; 1258} 1259static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id, 1260 int index, bool *wake_capable) 1261{ 1262 return -ENXIO; 1263} 1264#endif 1265 1266static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index, 1267 bool *wake_capable) 1268{ 1269 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable); 1270} 1271 1272static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *con_id, 1273 int index) 1274{ 1275 return acpi_dev_gpio_irq_wake_get_by(adev, con_id, index, NULL); 1276} 1277 1278static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) 1279{ 1280 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL); 1281} 1282 1283/* Device properties */ 1284 1285#ifdef CONFIG_ACPI 1286int acpi_dev_get_property(const struct acpi_device *adev, const char *name, 1287 acpi_object_type type, const union acpi_object **obj); 1288int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1289 const char *name, size_t index, size_t num_args, 1290 struct fwnode_reference_args *args); 1291 1292static inline int acpi_node_get_property_reference( 1293 const struct fwnode_handle *fwnode, 1294 const char *name, size_t index, 1295 struct fwnode_reference_args *args) 1296{ 1297 return __acpi_node_get_property_reference(fwnode, name, index, 1298 NR_FWNODE_REFERENCE_ARGS, args); 1299} 1300 1301static inline bool acpi_dev_has_props(const struct acpi_device *adev) 1302{ 1303 return !list_empty(&adev->data.properties); 1304} 1305 1306struct acpi_device_properties * 1307acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid, 1308 union acpi_object *properties); 1309 1310int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname, 1311 void **valptr); 1312 1313struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1314 struct fwnode_handle *child); 1315 1316struct acpi_probe_entry; 1317typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *, 1318 struct acpi_probe_entry *); 1319 1320#define ACPI_TABLE_ID_LEN 5 1321 1322/** 1323 * struct acpi_probe_entry - boot-time probing entry 1324 * @id: ACPI table name 1325 * @type: Optional subtable type to match 1326 * (if @id contains subtables) 1327 * @subtable_valid: Optional callback to check the validity of 1328 * the subtable 1329 * @probe_table: Callback to the driver being probed when table 1330 * match is successful 1331 * @probe_subtbl: Callback to the driver being probed when table and 1332 * subtable match (and optional callback is successful) 1333 * @driver_data: Sideband data provided back to the driver 1334 */ 1335struct acpi_probe_entry { 1336 __u8 id[ACPI_TABLE_ID_LEN]; 1337 __u8 type; 1338 acpi_probe_entry_validate_subtbl subtable_valid; 1339 union { 1340 acpi_tbl_table_handler probe_table; 1341 acpi_tbl_entry_handler probe_subtbl; 1342 }; 1343 kernel_ulong_t driver_data; 1344}; 1345 1346#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \ 1347 valid, data, fn) \ 1348 static const struct acpi_probe_entry __acpi_probe_##name \ 1349 __used __section("__" #table "_acpi_probe_table") = { \ 1350 .id = table_id, \ 1351 .type = subtable, \ 1352 .subtable_valid = valid, \ 1353 .probe_table = fn, \ 1354 .driver_data = data, \ 1355 } 1356 1357#define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \ 1358 subtable, valid, data, fn) \ 1359 static const struct acpi_probe_entry __acpi_probe_##name \ 1360 __used __section("__" #table "_acpi_probe_table") = { \ 1361 .id = table_id, \ 1362 .type = subtable, \ 1363 .subtable_valid = valid, \ 1364 .probe_subtbl = fn, \ 1365 .driver_data = data, \ 1366 } 1367 1368#define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table 1369#define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end 1370 1371int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr); 1372 1373#define acpi_probe_device_table(t) \ 1374 ({ \ 1375 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \ 1376 ACPI_PROBE_TABLE_END(t); \ 1377 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \ 1378 (&ACPI_PROBE_TABLE_END(t) - \ 1379 &ACPI_PROBE_TABLE(t))); \ 1380 }) 1381#else 1382static inline int acpi_dev_get_property(struct acpi_device *adev, 1383 const char *name, acpi_object_type type, 1384 const union acpi_object **obj) 1385{ 1386 return -ENXIO; 1387} 1388 1389static inline int 1390__acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1391 const char *name, size_t index, size_t num_args, 1392 struct fwnode_reference_args *args) 1393{ 1394 return -ENXIO; 1395} 1396 1397static inline int 1398acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1399 const char *name, size_t index, 1400 struct fwnode_reference_args *args) 1401{ 1402 return -ENXIO; 1403} 1404 1405static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode, 1406 const char *propname, 1407 void **valptr) 1408{ 1409 return -ENXIO; 1410} 1411 1412static inline struct fwnode_handle * 1413acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1414 struct fwnode_handle *child) 1415{ 1416 return NULL; 1417} 1418 1419static inline struct fwnode_handle * 1420acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode, 1421 struct fwnode_handle *prev) 1422{ 1423 return ERR_PTR(-ENXIO); 1424} 1425 1426static inline int 1427acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode, 1428 struct fwnode_handle **remote, 1429 struct fwnode_handle **port, 1430 struct fwnode_handle **endpoint) 1431{ 1432 return -ENXIO; 1433} 1434 1435#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ 1436 static const void * __acpi_table_##name[] \ 1437 __attribute__((unused)) \ 1438 = { (void *) table_id, \ 1439 (void *) subtable, \ 1440 (void *) valid, \ 1441 (void *) fn, \ 1442 (void *) data } 1443 1444#define acpi_probe_device_table(t) ({ int __r = 0; __r;}) 1445#endif 1446 1447#ifdef CONFIG_ACPI_TABLE_UPGRADE 1448void acpi_table_upgrade(void); 1449#else 1450static inline void acpi_table_upgrade(void) { } 1451#endif 1452 1453#if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG) 1454extern bool acpi_has_watchdog(void); 1455#else 1456static inline bool acpi_has_watchdog(void) { return false; } 1457#endif 1458 1459#ifdef CONFIG_ACPI_SPCR_TABLE 1460extern bool qdf2400_e44_present; 1461int acpi_parse_spcr(bool enable_earlycon, bool enable_console); 1462#else 1463static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console) 1464{ 1465 return 0; 1466} 1467#endif 1468 1469#if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI) 1470int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res); 1471#else 1472static inline 1473int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res) 1474{ 1475 return -EINVAL; 1476} 1477#endif 1478 1479#ifdef CONFIG_ACPI_LPIT 1480int lpit_read_residency_count_address(u64 *address); 1481#else 1482static inline int lpit_read_residency_count_address(u64 *address) 1483{ 1484 return -EINVAL; 1485} 1486#endif 1487 1488#ifdef CONFIG_ACPI_PROCESSOR_IDLE 1489#ifndef arch_get_idle_state_flags 1490static inline unsigned int arch_get_idle_state_flags(u32 arch_flags) 1491{ 1492 return 0; 1493} 1494#endif 1495#endif /* CONFIG_ACPI_PROCESSOR_IDLE */ 1496 1497#ifdef CONFIG_ACPI_PPTT 1498int acpi_pptt_cpu_is_thread(unsigned int cpu); 1499int find_acpi_cpu_topology(unsigned int cpu, int level); 1500int find_acpi_cpu_topology_cluster(unsigned int cpu); 1501int find_acpi_cpu_topology_package(unsigned int cpu); 1502int find_acpi_cpu_topology_hetero_id(unsigned int cpu); 1503#else 1504static inline int acpi_pptt_cpu_is_thread(unsigned int cpu) 1505{ 1506 return -EINVAL; 1507} 1508static inline int find_acpi_cpu_topology(unsigned int cpu, int level) 1509{ 1510 return -EINVAL; 1511} 1512static inline int find_acpi_cpu_topology_cluster(unsigned int cpu) 1513{ 1514 return -EINVAL; 1515} 1516static inline int find_acpi_cpu_topology_package(unsigned int cpu) 1517{ 1518 return -EINVAL; 1519} 1520static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu) 1521{ 1522 return -EINVAL; 1523} 1524#endif 1525 1526#ifdef CONFIG_ARM64 1527void acpi_arm_init(void); 1528#else 1529static inline void acpi_arm_init(void) { } 1530#endif 1531 1532#ifdef CONFIG_ACPI_PCC 1533void acpi_init_pcc(void); 1534#else 1535static inline void acpi_init_pcc(void) { } 1536#endif 1537 1538#ifdef CONFIG_ACPI_FFH 1539void acpi_init_ffh(void); 1540extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt, 1541 void **region_ctxt); 1542extern int acpi_ffh_address_space_arch_handler(acpi_integer *value, 1543 void *region_context); 1544#else 1545static inline void acpi_init_ffh(void) { } 1546#endif 1547 1548#ifdef CONFIG_ACPI 1549extern void acpi_device_notify(struct device *dev); 1550extern void acpi_device_notify_remove(struct device *dev); 1551#else 1552static inline void acpi_device_notify(struct device *dev) { } 1553static inline void acpi_device_notify_remove(struct device *dev) { } 1554#endif 1555 1556static inline void acpi_use_parent_companion(struct device *dev) 1557{ 1558 ACPI_COMPANION_SET(dev, ACPI_COMPANION(dev->parent)); 1559} 1560 1561#ifdef CONFIG_ACPI_HMAT 1562int hmat_update_target_coordinates(int nid, struct access_coordinate *coord, 1563 enum access_coordinate_class access); 1564#else 1565static inline int hmat_update_target_coordinates(int nid, 1566 struct access_coordinate *coord, 1567 enum access_coordinate_class access) 1568{ 1569 return -EOPNOTSUPP; 1570} 1571#endif 1572 1573#ifdef CONFIG_ACPI_NUMA 1574bool acpi_node_backed_by_real_pxm(int nid); 1575#else 1576static inline bool acpi_node_backed_by_real_pxm(int nid) 1577{ 1578 return false; 1579} 1580#endif 1581 1582#endif /*_LINUX_ACPI_H*/