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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 28#ifdef CONFIG_ACPI 29 30#include <linux/list.h> 31#include <linux/dynamic_debug.h> 32#include <linux/module.h> 33#include <linux/mutex.h> 34#include <linux/fw_table.h> 35 36#include <acpi/acpi_bus.h> 37#include <acpi/acpi_drivers.h> 38#include <acpi/acpi_numa.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 240static inline bool acpi_gicc_is_usable(struct acpi_madt_generic_interrupt *gicc) 241{ 242 return gicc->flags & ACPI_MADT_ENABLED; 243} 244 245#if defined(CONFIG_X86) || defined(CONFIG_LOONGARCH) 246void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); 247#else 248static inline void 249acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { } 250#endif 251 252void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); 253 254#if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH) 255void acpi_arch_dma_setup(struct device *dev); 256#else 257static inline void acpi_arch_dma_setup(struct device *dev) { } 258#endif 259 260#ifdef CONFIG_ARM64 261void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa); 262#else 263static inline void 264acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { } 265#endif 266 267#ifndef PHYS_CPUID_INVALID 268typedef u32 phys_cpuid_t; 269#define PHYS_CPUID_INVALID (phys_cpuid_t)(-1) 270#endif 271 272static inline bool invalid_logical_cpuid(u32 cpuid) 273{ 274 return (int)cpuid < 0; 275} 276 277static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id) 278{ 279 return phys_id == PHYS_CPUID_INVALID; 280} 281 282/* Validate the processor object's proc_id */ 283bool acpi_duplicate_processor_id(int proc_id); 284/* Processor _CTS control */ 285struct acpi_processor_power; 286 287#ifdef CONFIG_ACPI_PROCESSOR_CSTATE 288bool acpi_processor_claim_cst_control(void); 289int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, 290 struct acpi_processor_power *info); 291#else 292static inline bool acpi_processor_claim_cst_control(void) { return false; } 293static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, 294 struct acpi_processor_power *info) 295{ 296 return -ENODEV; 297} 298#endif 299 300#ifdef CONFIG_ACPI_HOTPLUG_CPU 301/* Arch dependent functions for cpu hotplug support */ 302int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id, 303 int *pcpu); 304int acpi_unmap_cpu(int cpu); 305#endif /* CONFIG_ACPI_HOTPLUG_CPU */ 306 307#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 308int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr); 309#endif 310 311int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); 312int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); 313int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base); 314void acpi_irq_stats_init(void); 315extern u32 acpi_irq_handled; 316extern u32 acpi_irq_not_handled; 317extern unsigned int acpi_sci_irq; 318extern bool acpi_no_s5; 319#define INVALID_ACPI_IRQ ((unsigned)-1) 320static inline bool acpi_sci_irq_valid(void) 321{ 322 return acpi_sci_irq != INVALID_ACPI_IRQ; 323} 324 325extern int sbf_port; 326extern unsigned long acpi_realmode_flags; 327 328int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); 329int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 330int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); 331 332void acpi_set_irq_model(enum acpi_irq_model_id model, 333 struct fwnode_handle *(*)(u32)); 334void acpi_set_gsi_to_irq_fallback(u32 (*)(u32)); 335 336struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags, 337 unsigned int size, 338 struct fwnode_handle *fwnode, 339 const struct irq_domain_ops *ops, 340 void *host_data); 341 342#ifdef CONFIG_X86_IO_APIC 343extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); 344#else 345static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity) 346{ 347 return -1; 348} 349#endif 350/* 351 * This function undoes the effect of one call to acpi_register_gsi(). 352 * If this matches the last registration, any IRQ resources for gsi 353 * are freed. 354 */ 355void acpi_unregister_gsi (u32 gsi); 356 357struct pci_dev; 358 359int acpi_pci_irq_enable (struct pci_dev *dev); 360void acpi_penalize_isa_irq(int irq, int active); 361bool acpi_isa_irq_available(int irq); 362#ifdef CONFIG_PCI 363void acpi_penalize_sci_irq(int irq, int trigger, int polarity); 364#else 365static inline void acpi_penalize_sci_irq(int irq, int trigger, 366 int polarity) 367{ 368} 369#endif 370void acpi_pci_irq_disable (struct pci_dev *dev); 371 372extern int ec_read(u8 addr, u8 *val); 373extern int ec_write(u8 addr, u8 val); 374extern int ec_transaction(u8 command, 375 const u8 *wdata, unsigned wdata_len, 376 u8 *rdata, unsigned rdata_len); 377extern acpi_handle ec_get_handle(void); 378 379extern bool acpi_is_pnp_device(struct acpi_device *); 380 381#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 382 383typedef void (*wmi_notify_handler) (u32 value, void *context); 384 385int wmi_instance_count(const char *guid); 386 387extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 388 u32 method_id, 389 const struct acpi_buffer *in, 390 struct acpi_buffer *out); 391extern acpi_status wmi_query_block(const char *guid, u8 instance, 392 struct acpi_buffer *out); 393extern acpi_status wmi_set_block(const char *guid, u8 instance, 394 const struct acpi_buffer *in); 395extern acpi_status wmi_install_notify_handler(const char *guid, 396 wmi_notify_handler handler, void *data); 397extern acpi_status wmi_remove_notify_handler(const char *guid); 398extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); 399extern bool wmi_has_guid(const char *guid); 400extern char *wmi_get_acpi_device_uid(const char *guid); 401 402#endif /* CONFIG_ACPI_WMI */ 403 404#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 405#define ACPI_VIDEO_DEVICE_POSTING 0x0002 406#define ACPI_VIDEO_ROM_AVAILABLE 0x0004 407#define ACPI_VIDEO_BACKLIGHT 0x0008 408#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 409#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 410#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 411#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 412#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 413#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 414#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 415#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 416 417extern char acpi_video_backlight_string[]; 418extern long acpi_is_video_device(acpi_handle handle); 419 420extern void acpi_osi_setup(char *str); 421extern bool acpi_osi_is_win8(void); 422 423#ifdef CONFIG_ACPI_THERMAL_LIB 424int thermal_acpi_active_trip_temp(struct acpi_device *adev, int id, int *ret_temp); 425int thermal_acpi_passive_trip_temp(struct acpi_device *adev, int *ret_temp); 426int thermal_acpi_hot_trip_temp(struct acpi_device *adev, int *ret_temp); 427int thermal_acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp); 428#endif 429 430#ifdef CONFIG_ACPI_HMAT 431int acpi_get_genport_coordinates(u32 uid, struct access_coordinate *coord); 432#else 433static inline int acpi_get_genport_coordinates(u32 uid, 434 struct access_coordinate *coord) 435{ 436 return -EOPNOTSUPP; 437} 438#endif 439 440#ifdef CONFIG_ACPI_NUMA 441int acpi_map_pxm_to_node(int pxm); 442int acpi_get_node(acpi_handle handle); 443 444/** 445 * pxm_to_online_node - Map proximity ID to online node 446 * @pxm: ACPI proximity ID 447 * 448 * This is similar to pxm_to_node(), but always returns an online 449 * node. When the mapped node from a given proximity ID is offline, it 450 * looks up the node distance table and returns the nearest online node. 451 * 452 * ACPI device drivers, which are called after the NUMA initialization has 453 * completed in the kernel, can call this interface to obtain their device 454 * NUMA topology from ACPI tables. Such drivers do not have to deal with 455 * offline nodes. A node may be offline when SRAT memory entry does not exist, 456 * or NUMA is disabled, ex. "numa=off" on x86. 457 */ 458static inline int pxm_to_online_node(int pxm) 459{ 460 int node = pxm_to_node(pxm); 461 462 return numa_map_to_online_node(node); 463} 464#else 465static inline int pxm_to_online_node(int pxm) 466{ 467 return 0; 468} 469static inline int acpi_map_pxm_to_node(int pxm) 470{ 471 return 0; 472} 473static inline int acpi_get_node(acpi_handle handle) 474{ 475 return 0; 476} 477#endif 478extern int pnpacpi_disabled; 479 480#define PXM_INVAL (-1) 481 482bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res); 483bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res); 484bool acpi_dev_resource_address_space(struct acpi_resource *ares, 485 struct resource_win *win); 486bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, 487 struct resource_win *win); 488unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, u8 wake_capable); 489unsigned int acpi_dev_get_irq_type(int triggering, int polarity); 490bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, 491 struct resource *res); 492 493void acpi_dev_free_resource_list(struct list_head *list); 494int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, 495 int (*preproc)(struct acpi_resource *, void *), 496 void *preproc_data); 497int acpi_dev_get_dma_resources(struct acpi_device *adev, 498 struct list_head *list); 499int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list); 500int acpi_dev_filter_resource_type(struct acpi_resource *ares, 501 unsigned long types); 502 503static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares, 504 void *arg) 505{ 506 return acpi_dev_filter_resource_type(ares, (unsigned long)arg); 507} 508 509struct acpi_device *acpi_resource_consumer(struct resource *res); 510 511int acpi_check_resource_conflict(const struct resource *res); 512 513int acpi_check_region(resource_size_t start, resource_size_t n, 514 const char *name); 515 516int acpi_resources_are_enforced(void); 517 518#ifdef CONFIG_HIBERNATION 519extern int acpi_check_s4_hw_signature; 520#endif 521 522#ifdef CONFIG_PM_SLEEP 523void __init acpi_old_suspend_ordering(void); 524void __init acpi_nvs_nosave(void); 525void __init acpi_nvs_nosave_s3(void); 526void __init acpi_sleep_no_blacklist(void); 527#endif /* CONFIG_PM_SLEEP */ 528 529int acpi_register_wakeup_handler( 530 int wake_irq, bool (*wakeup)(void *context), void *context); 531void acpi_unregister_wakeup_handler( 532 bool (*wakeup)(void *context), void *context); 533 534struct acpi_osc_context { 535 char *uuid_str; /* UUID string */ 536 int rev; 537 struct acpi_buffer cap; /* list of DWORD capabilities */ 538 struct acpi_buffer ret; /* free by caller if success */ 539}; 540 541acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); 542 543/* Number of _OSC capability DWORDS depends on bridge type */ 544#define OSC_PCI_CAPABILITY_DWORDS 3 545#define OSC_CXL_CAPABILITY_DWORDS 5 546 547/* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */ 548#define OSC_QUERY_DWORD 0 /* DWORD 1 */ 549#define OSC_SUPPORT_DWORD 1 /* DWORD 2 */ 550#define OSC_CONTROL_DWORD 2 /* DWORD 3 */ 551#define OSC_EXT_SUPPORT_DWORD 3 /* DWORD 4 */ 552#define OSC_EXT_CONTROL_DWORD 4 /* DWORD 5 */ 553 554/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */ 555#define OSC_QUERY_ENABLE 0x00000001 /* input */ 556#define OSC_REQUEST_ERROR 0x00000002 /* return */ 557#define OSC_INVALID_UUID_ERROR 0x00000004 /* return */ 558#define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */ 559#define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */ 560 561/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */ 562#define OSC_SB_PAD_SUPPORT 0x00000001 563#define OSC_SB_PPC_OST_SUPPORT 0x00000002 564#define OSC_SB_PR3_SUPPORT 0x00000004 565#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008 566#define OSC_SB_APEI_SUPPORT 0x00000010 567#define OSC_SB_CPC_SUPPORT 0x00000020 568#define OSC_SB_CPCV2_SUPPORT 0x00000040 569#define OSC_SB_PCLPI_SUPPORT 0x00000080 570#define OSC_SB_OSLPI_SUPPORT 0x00000100 571#define OSC_SB_FAST_THERMAL_SAMPLING_SUPPORT 0x00000200 572#define OSC_SB_OVER_16_PSTATES_SUPPORT 0x00000400 573#define OSC_SB_GED_SUPPORT 0x00000800 574#define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 575#define OSC_SB_IRQ_RESOURCE_SOURCE_SUPPORT 0x00002000 576#define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000 577#define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00020000 578#define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000 579#define OSC_SB_PRM_SUPPORT 0x00200000 580#define OSC_SB_FFH_OPR_SUPPORT 0x00400000 581 582extern bool osc_sb_apei_support_acked; 583extern bool osc_pc_lpi_support_confirmed; 584extern bool osc_sb_native_usb4_support_confirmed; 585extern bool osc_sb_cppc2_support_acked; 586extern bool osc_cpc_flexible_adr_space_confirmed; 587 588/* USB4 Capabilities */ 589#define OSC_USB_USB3_TUNNELING 0x00000001 590#define OSC_USB_DP_TUNNELING 0x00000002 591#define OSC_USB_PCIE_TUNNELING 0x00000004 592#define OSC_USB_XDOMAIN 0x00000008 593 594extern u32 osc_sb_native_usb4_control; 595 596/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */ 597#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001 598#define OSC_PCI_ASPM_SUPPORT 0x00000002 599#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004 600#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008 601#define OSC_PCI_MSI_SUPPORT 0x00000010 602#define OSC_PCI_EDR_SUPPORT 0x00000080 603#define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100 604 605/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */ 606#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001 607#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002 608#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004 609#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008 610#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010 611#define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020 612#define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080 613 614/* CXL _OSC: Capabilities DWORD 4: Support Field */ 615#define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT 0x00000001 616#define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT 0x00000002 617#define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT 0x00000004 618#define OSC_CXL_NATIVE_HP_SUPPORT 0x00000008 619 620/* CXL _OSC: Capabilities DWORD 5: Control Field */ 621#define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001 622 623static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context) 624{ 625 u32 *ret = context->ret.pointer; 626 627 return ret[OSC_CONTROL_DWORD]; 628} 629 630static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context) 631{ 632 u32 *ret = context->ret.pointer; 633 634 return ret[OSC_EXT_CONTROL_DWORD]; 635} 636 637#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002 638#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004 639#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006 640#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008 641#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A 642#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B 643#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C 644#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D 645#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E 646#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F 647 648/* Enable _OST when all relevant hotplug operations are enabled */ 649#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ 650 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \ 651 defined(CONFIG_ACPI_CONTAINER) 652#define ACPI_HOTPLUG_OST 653#endif 654 655/* _OST Source Event Code (OSPM Action) */ 656#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100 657#define ACPI_OST_EC_OSPM_EJECT 0x103 658#define ACPI_OST_EC_OSPM_INSERTION 0x200 659 660/* _OST General Processing Status Code */ 661#define ACPI_OST_SC_SUCCESS 0x0 662#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1 663#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2 664 665/* _OST OS Shutdown Processing (0x100) Status Code */ 666#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80 667#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81 668#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82 669#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83 670 671/* _OST Ejection Request (0x3, 0x103) Status Code */ 672#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80 673#define ACPI_OST_SC_DEVICE_IN_USE 0x81 674#define ACPI_OST_SC_DEVICE_BUSY 0x82 675#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83 676#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84 677 678/* _OST Insertion Request (0x200) Status Code */ 679#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80 680#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 681#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 682 683enum acpi_predicate { 684 all_versions, 685 less_than_or_equal, 686 equal, 687 greater_than_or_equal, 688}; 689 690/* Table must be terminted by a NULL entry */ 691struct acpi_platform_list { 692 char oem_id[ACPI_OEM_ID_SIZE+1]; 693 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1]; 694 u32 oem_revision; 695 char *table; 696 enum acpi_predicate pred; 697 char *reason; 698 u32 data; 699}; 700int acpi_match_platform_list(const struct acpi_platform_list *plat); 701 702extern void acpi_early_init(void); 703extern void acpi_subsystem_init(void); 704 705extern int acpi_nvs_register(__u64 start, __u64 size); 706 707extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 708 void *data); 709 710const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids, 711 const struct acpi_device *adev); 712 713const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, 714 const struct device *dev); 715 716const void *acpi_device_get_match_data(const struct device *dev); 717extern bool acpi_driver_match_device(struct device *dev, 718 const struct device_driver *drv); 719int acpi_device_uevent_modalias(const struct device *, struct kobj_uevent_env *); 720int acpi_device_modalias(struct device *, char *, int); 721 722struct platform_device *acpi_create_platform_device(struct acpi_device *, 723 const struct property_entry *); 724#define ACPI_PTR(_ptr) (_ptr) 725 726static inline void acpi_device_set_enumerated(struct acpi_device *adev) 727{ 728 adev->flags.visited = true; 729} 730 731static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 732{ 733 adev->flags.visited = false; 734} 735 736enum acpi_reconfig_event { 737 ACPI_RECONFIG_DEVICE_ADD = 0, 738 ACPI_RECONFIG_DEVICE_REMOVE, 739}; 740 741int acpi_reconfig_notifier_register(struct notifier_block *nb); 742int acpi_reconfig_notifier_unregister(struct notifier_block *nb); 743 744#ifdef CONFIG_ACPI_GTDT 745int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count); 746int acpi_gtdt_map_ppi(int type); 747bool acpi_gtdt_c3stop(int type); 748int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count); 749#endif 750 751#ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER 752static inline void acpi_arch_set_root_pointer(u64 addr) 753{ 754} 755#endif 756 757#ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER 758static inline u64 acpi_arch_get_root_pointer(void) 759{ 760 return 0; 761} 762#endif 763 764int acpi_get_local_address(acpi_handle handle, u32 *addr); 765const char *acpi_get_subsystem_id(acpi_handle handle); 766 767#else /* !CONFIG_ACPI */ 768 769#define acpi_disabled 1 770 771#define ACPI_COMPANION(dev) (NULL) 772#define ACPI_COMPANION_SET(dev, adev) do { } while (0) 773#define ACPI_HANDLE(dev) (NULL) 774#define ACPI_HANDLE_FWNODE(fwnode) (NULL) 775 776/* Get rid of the -Wunused-variable for adev */ 777#define acpi_dev_uid_match(adev, uid2) (adev && false) 778#define acpi_dev_hid_uid_match(adev, hid2, uid2) (adev && false) 779 780#include <acpi/acpi_numa.h> 781 782struct fwnode_handle; 783 784static inline bool acpi_dev_found(const char *hid) 785{ 786 return false; 787} 788 789static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv) 790{ 791 return false; 792} 793 794struct acpi_device; 795 796static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer) 797{ 798 return -ENODEV; 799} 800 801static inline struct acpi_device * 802acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv) 803{ 804 return NULL; 805} 806 807static inline bool acpi_reduced_hardware(void) 808{ 809 return false; 810} 811 812static inline void acpi_dev_put(struct acpi_device *adev) {} 813 814static inline bool is_acpi_node(const struct fwnode_handle *fwnode) 815{ 816 return false; 817} 818 819static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode) 820{ 821 return false; 822} 823 824static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode) 825{ 826 return NULL; 827} 828 829static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode) 830{ 831 return false; 832} 833 834static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode) 835{ 836 return NULL; 837} 838 839static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode, 840 const char *name) 841{ 842 return false; 843} 844 845static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) 846{ 847 return NULL; 848} 849 850static inline bool has_acpi_companion(struct device *dev) 851{ 852 return false; 853} 854 855static inline void acpi_preset_companion(struct device *dev, 856 struct acpi_device *parent, u64 addr) 857{ 858} 859 860static inline const char *acpi_dev_name(struct acpi_device *adev) 861{ 862 return NULL; 863} 864 865static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev) 866{ 867 return NULL; 868} 869 870static inline void acpi_early_init(void) { } 871static inline void acpi_subsystem_init(void) { } 872 873static inline int early_acpi_boot_init(void) 874{ 875 return 0; 876} 877static inline int acpi_boot_init(void) 878{ 879 return 0; 880} 881 882static inline void acpi_boot_table_prepare(void) 883{ 884} 885 886static inline void acpi_boot_table_init(void) 887{ 888} 889 890static inline int acpi_mps_check(void) 891{ 892 return 0; 893} 894 895static inline int acpi_check_resource_conflict(struct resource *res) 896{ 897 return 0; 898} 899 900static inline int acpi_check_region(resource_size_t start, resource_size_t n, 901 const char *name) 902{ 903 return 0; 904} 905 906struct acpi_table_header; 907static inline int acpi_table_parse(char *id, 908 int (*handler)(struct acpi_table_header *)) 909{ 910 return -ENODEV; 911} 912 913static inline int acpi_nvs_register(__u64 start, __u64 size) 914{ 915 return 0; 916} 917 918static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 919 void *data) 920{ 921 return 0; 922} 923 924struct acpi_device_id; 925 926static inline const struct acpi_device_id *acpi_match_acpi_device( 927 const struct acpi_device_id *ids, const struct acpi_device *adev) 928{ 929 return NULL; 930} 931 932static inline const struct acpi_device_id *acpi_match_device( 933 const struct acpi_device_id *ids, const struct device *dev) 934{ 935 return NULL; 936} 937 938static inline const void *acpi_device_get_match_data(const struct device *dev) 939{ 940 return NULL; 941} 942 943static inline bool acpi_driver_match_device(struct device *dev, 944 const struct device_driver *drv) 945{ 946 return false; 947} 948 949static inline bool acpi_check_dsm(acpi_handle handle, const guid_t *guid, 950 u64 rev, u64 funcs) 951{ 952 return false; 953} 954 955static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle, 956 const guid_t *guid, 957 u64 rev, u64 func, 958 union acpi_object *argv4) 959{ 960 return NULL; 961} 962 963static inline union acpi_object *acpi_evaluate_dsm_typed(acpi_handle handle, 964 const guid_t *guid, 965 u64 rev, u64 func, 966 union acpi_object *argv4, 967 acpi_object_type type) 968{ 969 return NULL; 970} 971 972static inline int acpi_device_uevent_modalias(const struct device *dev, 973 struct kobj_uevent_env *env) 974{ 975 return -ENODEV; 976} 977 978static inline int acpi_device_modalias(struct device *dev, 979 char *buf, int size) 980{ 981 return -ENODEV; 982} 983 984static inline struct platform_device * 985acpi_create_platform_device(struct acpi_device *adev, 986 const struct property_entry *properties) 987{ 988 return NULL; 989} 990 991static inline bool acpi_dma_supported(const struct acpi_device *adev) 992{ 993 return false; 994} 995 996static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev) 997{ 998 return DEV_DMA_NOT_SUPPORTED; 999} 1000 1001static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map) 1002{ 1003 return -ENODEV; 1004} 1005 1006static inline int acpi_dma_configure(struct device *dev, 1007 enum dev_dma_attr attr) 1008{ 1009 return 0; 1010} 1011 1012static inline int acpi_dma_configure_id(struct device *dev, 1013 enum dev_dma_attr attr, 1014 const u32 *input_id) 1015{ 1016 return 0; 1017} 1018 1019#define ACPI_PTR(_ptr) (NULL) 1020 1021static inline void acpi_device_set_enumerated(struct acpi_device *adev) 1022{ 1023} 1024 1025static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 1026{ 1027} 1028 1029static inline int acpi_reconfig_notifier_register(struct notifier_block *nb) 1030{ 1031 return -EINVAL; 1032} 1033 1034static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb) 1035{ 1036 return -EINVAL; 1037} 1038 1039static inline struct acpi_device *acpi_resource_consumer(struct resource *res) 1040{ 1041 return NULL; 1042} 1043 1044static inline int acpi_get_local_address(acpi_handle handle, u32 *addr) 1045{ 1046 return -ENODEV; 1047} 1048 1049static inline const char *acpi_get_subsystem_id(acpi_handle handle) 1050{ 1051 return ERR_PTR(-ENODEV); 1052} 1053 1054static inline int acpi_register_wakeup_handler(int wake_irq, 1055 bool (*wakeup)(void *context), void *context) 1056{ 1057 return -ENXIO; 1058} 1059 1060static inline void acpi_unregister_wakeup_handler( 1061 bool (*wakeup)(void *context), void *context) { } 1062 1063struct acpi_osc_context; 1064static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context) 1065{ 1066 return 0; 1067} 1068 1069static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context) 1070{ 1071 return 0; 1072} 1073 1074static inline bool acpi_sleep_state_supported(u8 sleep_state) 1075{ 1076 return false; 1077} 1078 1079#endif /* !CONFIG_ACPI */ 1080 1081extern void arch_post_acpi_subsys_init(void); 1082 1083#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 1084int acpi_ioapic_add(acpi_handle root); 1085#else 1086static inline int acpi_ioapic_add(acpi_handle root) { return 0; } 1087#endif 1088 1089#ifdef CONFIG_ACPI 1090void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, 1091 u32 pm1a_ctrl, u32 pm1b_ctrl)); 1092 1093acpi_status acpi_os_prepare_sleep(u8 sleep_state, 1094 u32 pm1a_control, u32 pm1b_control); 1095 1096void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, 1097 u32 val_a, u32 val_b)); 1098 1099acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, 1100 u32 val_a, u32 val_b); 1101#if defined(CONFIG_SUSPEND) && defined(CONFIG_X86) 1102struct acpi_s2idle_dev_ops { 1103 struct list_head list_node; 1104 void (*prepare)(void); 1105 void (*check)(void); 1106 void (*restore)(void); 1107}; 1108int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg); 1109void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg); 1110int acpi_get_lps0_constraint(struct acpi_device *adev); 1111#else /* CONFIG_SUSPEND && CONFIG_X86 */ 1112static inline int acpi_get_lps0_constraint(struct device *dev) 1113{ 1114 return ACPI_STATE_UNKNOWN; 1115} 1116#endif /* CONFIG_SUSPEND && CONFIG_X86 */ 1117void arch_reserve_mem_area(acpi_physical_address addr, size_t size); 1118#else 1119#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) 1120#endif 1121 1122#if defined(CONFIG_ACPI) && defined(CONFIG_PM) 1123int acpi_dev_suspend(struct device *dev, bool wakeup); 1124int acpi_dev_resume(struct device *dev); 1125int acpi_subsys_runtime_suspend(struct device *dev); 1126int acpi_subsys_runtime_resume(struct device *dev); 1127int acpi_dev_pm_attach(struct device *dev, bool power_on); 1128bool acpi_storage_d3(struct device *dev); 1129bool acpi_dev_state_d0(struct device *dev); 1130#else 1131static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } 1132static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } 1133static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) 1134{ 1135 return 0; 1136} 1137static inline bool acpi_storage_d3(struct device *dev) 1138{ 1139 return false; 1140} 1141static inline bool acpi_dev_state_d0(struct device *dev) 1142{ 1143 return true; 1144} 1145#endif 1146 1147#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) 1148int acpi_subsys_prepare(struct device *dev); 1149void acpi_subsys_complete(struct device *dev); 1150int acpi_subsys_suspend_late(struct device *dev); 1151int acpi_subsys_suspend_noirq(struct device *dev); 1152int acpi_subsys_suspend(struct device *dev); 1153int acpi_subsys_freeze(struct device *dev); 1154int acpi_subsys_poweroff(struct device *dev); 1155void acpi_ec_mark_gpe_for_wake(void); 1156void acpi_ec_set_gpe_wake_mask(u8 action); 1157int acpi_subsys_restore_early(struct device *dev); 1158#else 1159static inline int acpi_subsys_prepare(struct device *dev) { return 0; } 1160static inline void acpi_subsys_complete(struct device *dev) {} 1161static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } 1162static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; } 1163static inline int acpi_subsys_suspend(struct device *dev) { return 0; } 1164static inline int acpi_subsys_freeze(struct device *dev) { return 0; } 1165static inline int acpi_subsys_poweroff(struct device *dev) { return 0; } 1166static inline int acpi_subsys_restore_early(struct device *dev) { return 0; } 1167static inline void acpi_ec_mark_gpe_for_wake(void) {} 1168static inline void acpi_ec_set_gpe_wake_mask(u8 action) {} 1169#endif 1170 1171#ifdef CONFIG_ACPI 1172char *acpi_handle_path(acpi_handle handle); 1173__printf(3, 4) 1174void acpi_handle_printk(const char *level, acpi_handle handle, 1175 const char *fmt, ...); 1176void acpi_evaluation_failure_warn(acpi_handle handle, const char *name, 1177 acpi_status status); 1178#else /* !CONFIG_ACPI */ 1179static inline __printf(3, 4) void 1180acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} 1181static inline void acpi_evaluation_failure_warn(acpi_handle handle, 1182 const char *name, 1183 acpi_status status) {} 1184#endif /* !CONFIG_ACPI */ 1185 1186#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) 1187__printf(3, 4) 1188void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); 1189#endif 1190 1191/* 1192 * acpi_handle_<level>: Print message with ACPI prefix and object path 1193 * 1194 * These interfaces acquire the global namespace mutex to obtain an object 1195 * path. In interrupt context, it shows the object path as <n/a>. 1196 */ 1197#define acpi_handle_emerg(handle, fmt, ...) \ 1198 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) 1199#define acpi_handle_alert(handle, fmt, ...) \ 1200 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) 1201#define acpi_handle_crit(handle, fmt, ...) \ 1202 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) 1203#define acpi_handle_err(handle, fmt, ...) \ 1204 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) 1205#define acpi_handle_warn(handle, fmt, ...) \ 1206 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) 1207#define acpi_handle_notice(handle, fmt, ...) \ 1208 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) 1209#define acpi_handle_info(handle, fmt, ...) \ 1210 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) 1211 1212#if defined(DEBUG) 1213#define acpi_handle_debug(handle, fmt, ...) \ 1214 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) 1215#else 1216#if defined(CONFIG_DYNAMIC_DEBUG) 1217#define acpi_handle_debug(handle, fmt, ...) \ 1218 _dynamic_func_call(fmt, __acpi_handle_debug, \ 1219 handle, pr_fmt(fmt), ##__VA_ARGS__) 1220#else 1221#define acpi_handle_debug(handle, fmt, ...) \ 1222({ \ 1223 if (0) \ 1224 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ 1225 0; \ 1226}) 1227#endif 1228#endif 1229 1230#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) 1231bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1232 struct acpi_resource_gpio **agpio); 1233bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1234 struct acpi_resource_gpio **agpio); 1235int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id, int index, 1236 bool *wake_capable); 1237#else 1238static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1239 struct acpi_resource_gpio **agpio) 1240{ 1241 return false; 1242} 1243static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1244 struct acpi_resource_gpio **agpio) 1245{ 1246 return false; 1247} 1248static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id, 1249 int index, bool *wake_capable) 1250{ 1251 return -ENXIO; 1252} 1253#endif 1254 1255static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index, 1256 bool *wake_capable) 1257{ 1258 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable); 1259} 1260 1261static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *con_id, 1262 int index) 1263{ 1264 return acpi_dev_gpio_irq_wake_get_by(adev, con_id, index, NULL); 1265} 1266 1267static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) 1268{ 1269 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL); 1270} 1271 1272/* Device properties */ 1273 1274#ifdef CONFIG_ACPI 1275int acpi_dev_get_property(const struct acpi_device *adev, const char *name, 1276 acpi_object_type type, const union acpi_object **obj); 1277int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1278 const char *name, size_t index, size_t num_args, 1279 struct fwnode_reference_args *args); 1280 1281static inline int acpi_node_get_property_reference( 1282 const struct fwnode_handle *fwnode, 1283 const char *name, size_t index, 1284 struct fwnode_reference_args *args) 1285{ 1286 return __acpi_node_get_property_reference(fwnode, name, index, 1287 NR_FWNODE_REFERENCE_ARGS, args); 1288} 1289 1290static inline bool acpi_dev_has_props(const struct acpi_device *adev) 1291{ 1292 return !list_empty(&adev->data.properties); 1293} 1294 1295struct acpi_device_properties * 1296acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid, 1297 union acpi_object *properties); 1298 1299int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname, 1300 void **valptr); 1301 1302struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1303 struct fwnode_handle *child); 1304 1305struct acpi_probe_entry; 1306typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *, 1307 struct acpi_probe_entry *); 1308 1309#define ACPI_TABLE_ID_LEN 5 1310 1311/** 1312 * struct acpi_probe_entry - boot-time probing entry 1313 * @id: ACPI table name 1314 * @type: Optional subtable type to match 1315 * (if @id contains subtables) 1316 * @subtable_valid: Optional callback to check the validity of 1317 * the subtable 1318 * @probe_table: Callback to the driver being probed when table 1319 * match is successful 1320 * @probe_subtbl: Callback to the driver being probed when table and 1321 * subtable match (and optional callback is successful) 1322 * @driver_data: Sideband data provided back to the driver 1323 */ 1324struct acpi_probe_entry { 1325 __u8 id[ACPI_TABLE_ID_LEN]; 1326 __u8 type; 1327 acpi_probe_entry_validate_subtbl subtable_valid; 1328 union { 1329 acpi_tbl_table_handler probe_table; 1330 acpi_tbl_entry_handler probe_subtbl; 1331 }; 1332 kernel_ulong_t driver_data; 1333}; 1334 1335#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \ 1336 valid, data, fn) \ 1337 static const struct acpi_probe_entry __acpi_probe_##name \ 1338 __used __section("__" #table "_acpi_probe_table") = { \ 1339 .id = table_id, \ 1340 .type = subtable, \ 1341 .subtable_valid = valid, \ 1342 .probe_table = fn, \ 1343 .driver_data = data, \ 1344 } 1345 1346#define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \ 1347 subtable, 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_subtbl = fn, \ 1354 .driver_data = data, \ 1355 } 1356 1357#define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table 1358#define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end 1359 1360int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr); 1361 1362#define acpi_probe_device_table(t) \ 1363 ({ \ 1364 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \ 1365 ACPI_PROBE_TABLE_END(t); \ 1366 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \ 1367 (&ACPI_PROBE_TABLE_END(t) - \ 1368 &ACPI_PROBE_TABLE(t))); \ 1369 }) 1370#else 1371static inline int acpi_dev_get_property(struct acpi_device *adev, 1372 const char *name, acpi_object_type type, 1373 const union acpi_object **obj) 1374{ 1375 return -ENXIO; 1376} 1377 1378static inline int 1379__acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1380 const char *name, size_t index, size_t num_args, 1381 struct fwnode_reference_args *args) 1382{ 1383 return -ENXIO; 1384} 1385 1386static inline int 1387acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1388 const char *name, size_t index, 1389 struct fwnode_reference_args *args) 1390{ 1391 return -ENXIO; 1392} 1393 1394static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode, 1395 const char *propname, 1396 void **valptr) 1397{ 1398 return -ENXIO; 1399} 1400 1401static inline struct fwnode_handle * 1402acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1403 struct fwnode_handle *child) 1404{ 1405 return NULL; 1406} 1407 1408static inline struct fwnode_handle * 1409acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode, 1410 struct fwnode_handle *prev) 1411{ 1412 return ERR_PTR(-ENXIO); 1413} 1414 1415static inline int 1416acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode, 1417 struct fwnode_handle **remote, 1418 struct fwnode_handle **port, 1419 struct fwnode_handle **endpoint) 1420{ 1421 return -ENXIO; 1422} 1423 1424#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ 1425 static const void * __acpi_table_##name[] \ 1426 __attribute__((unused)) \ 1427 = { (void *) table_id, \ 1428 (void *) subtable, \ 1429 (void *) valid, \ 1430 (void *) fn, \ 1431 (void *) data } 1432 1433#define acpi_probe_device_table(t) ({ int __r = 0; __r;}) 1434#endif 1435 1436#ifdef CONFIG_ACPI_TABLE_UPGRADE 1437void acpi_table_upgrade(void); 1438#else 1439static inline void acpi_table_upgrade(void) { } 1440#endif 1441 1442#if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG) 1443extern bool acpi_has_watchdog(void); 1444#else 1445static inline bool acpi_has_watchdog(void) { return false; } 1446#endif 1447 1448#ifdef CONFIG_ACPI_SPCR_TABLE 1449extern bool qdf2400_e44_present; 1450int acpi_parse_spcr(bool enable_earlycon, bool enable_console); 1451#else 1452static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console) 1453{ 1454 return 0; 1455} 1456#endif 1457 1458#if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI) 1459int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res); 1460#else 1461static inline 1462int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res) 1463{ 1464 return -EINVAL; 1465} 1466#endif 1467 1468#ifdef CONFIG_ACPI_LPIT 1469int lpit_read_residency_count_address(u64 *address); 1470#else 1471static inline int lpit_read_residency_count_address(u64 *address) 1472{ 1473 return -EINVAL; 1474} 1475#endif 1476 1477#ifdef CONFIG_ACPI_PROCESSOR_IDLE 1478#ifndef arch_get_idle_state_flags 1479static inline unsigned int arch_get_idle_state_flags(u32 arch_flags) 1480{ 1481 return 0; 1482} 1483#endif 1484#endif /* CONFIG_ACPI_PROCESSOR_IDLE */ 1485 1486#ifdef CONFIG_ACPI_PPTT 1487int acpi_pptt_cpu_is_thread(unsigned int cpu); 1488int find_acpi_cpu_topology(unsigned int cpu, int level); 1489int find_acpi_cpu_topology_cluster(unsigned int cpu); 1490int find_acpi_cpu_topology_package(unsigned int cpu); 1491int find_acpi_cpu_topology_hetero_id(unsigned int cpu); 1492#else 1493static inline int acpi_pptt_cpu_is_thread(unsigned int cpu) 1494{ 1495 return -EINVAL; 1496} 1497static inline int find_acpi_cpu_topology(unsigned int cpu, int level) 1498{ 1499 return -EINVAL; 1500} 1501static inline int find_acpi_cpu_topology_cluster(unsigned int cpu) 1502{ 1503 return -EINVAL; 1504} 1505static inline int find_acpi_cpu_topology_package(unsigned int cpu) 1506{ 1507 return -EINVAL; 1508} 1509static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu) 1510{ 1511 return -EINVAL; 1512} 1513#endif 1514 1515#ifdef CONFIG_ARM64 1516void acpi_arm_init(void); 1517#else 1518static inline void acpi_arm_init(void) { } 1519#endif 1520 1521#ifdef CONFIG_ACPI_PCC 1522void acpi_init_pcc(void); 1523#else 1524static inline void acpi_init_pcc(void) { } 1525#endif 1526 1527#ifdef CONFIG_ACPI_FFH 1528void acpi_init_ffh(void); 1529extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt, 1530 void **region_ctxt); 1531extern int acpi_ffh_address_space_arch_handler(acpi_integer *value, 1532 void *region_context); 1533#else 1534static inline void acpi_init_ffh(void) { } 1535#endif 1536 1537#ifdef CONFIG_ACPI 1538extern void acpi_device_notify(struct device *dev); 1539extern void acpi_device_notify_remove(struct device *dev); 1540#else 1541static inline void acpi_device_notify(struct device *dev) { } 1542static inline void acpi_device_notify_remove(struct device *dev) { } 1543#endif 1544 1545static inline void acpi_use_parent_companion(struct device *dev) 1546{ 1547 ACPI_COMPANION_SET(dev, ACPI_COMPANION(dev->parent)); 1548} 1549 1550#ifdef CONFIG_ACPI_HMAT 1551int hmat_update_target_coordinates(int nid, struct access_coordinate *coord, 1552 enum access_coordinate_class access); 1553#else 1554static inline int hmat_update_target_coordinates(int nid, 1555 struct access_coordinate *coord, 1556 enum access_coordinate_class access) 1557{ 1558 return -EOPNOTSUPP; 1559} 1560#endif 1561 1562#ifdef CONFIG_ACPI_NUMA 1563bool acpi_node_backed_by_real_pxm(int nid); 1564#else 1565static inline bool acpi_node_backed_by_real_pxm(int nid) 1566{ 1567 return false; 1568} 1569#endif 1570 1571#endif /*_LINUX_ACPI_H*/