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/* the following numa functions are architecture-dependent */ 246void acpi_numa_slit_init (struct acpi_table_slit *slit); 247 248#if defined(CONFIG_X86) || defined(CONFIG_LOONGARCH) 249void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); 250#else 251static inline void 252acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { } 253#endif 254 255void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); 256 257#if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH) 258void acpi_arch_dma_setup(struct device *dev); 259#else 260static inline void acpi_arch_dma_setup(struct device *dev) { } 261#endif 262 263#ifdef CONFIG_ARM64 264void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa); 265#else 266static inline void 267acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { } 268#endif 269 270int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma); 271 272#ifndef PHYS_CPUID_INVALID 273typedef u32 phys_cpuid_t; 274#define PHYS_CPUID_INVALID (phys_cpuid_t)(-1) 275#endif 276 277static inline bool invalid_logical_cpuid(u32 cpuid) 278{ 279 return (int)cpuid < 0; 280} 281 282static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id) 283{ 284 return phys_id == PHYS_CPUID_INVALID; 285} 286 287/* Validate the processor object's proc_id */ 288bool acpi_duplicate_processor_id(int proc_id); 289/* Processor _CTS control */ 290struct acpi_processor_power; 291 292#ifdef CONFIG_ACPI_PROCESSOR_CSTATE 293bool acpi_processor_claim_cst_control(void); 294int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, 295 struct acpi_processor_power *info); 296#else 297static inline bool acpi_processor_claim_cst_control(void) { return false; } 298static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, 299 struct acpi_processor_power *info) 300{ 301 return -ENODEV; 302} 303#endif 304 305#ifdef CONFIG_ACPI_HOTPLUG_CPU 306/* Arch dependent functions for cpu hotplug support */ 307int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id, 308 int *pcpu); 309int acpi_unmap_cpu(int cpu); 310#endif /* CONFIG_ACPI_HOTPLUG_CPU */ 311 312#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 313int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr); 314#endif 315 316int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); 317int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); 318int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base); 319void acpi_irq_stats_init(void); 320extern u32 acpi_irq_handled; 321extern u32 acpi_irq_not_handled; 322extern unsigned int acpi_sci_irq; 323extern bool acpi_no_s5; 324#define INVALID_ACPI_IRQ ((unsigned)-1) 325static inline bool acpi_sci_irq_valid(void) 326{ 327 return acpi_sci_irq != INVALID_ACPI_IRQ; 328} 329 330extern int sbf_port; 331extern unsigned long acpi_realmode_flags; 332 333int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); 334int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 335int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); 336 337void acpi_set_irq_model(enum acpi_irq_model_id model, 338 struct fwnode_handle *(*)(u32)); 339void acpi_set_gsi_to_irq_fallback(u32 (*)(u32)); 340 341struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags, 342 unsigned int size, 343 struct fwnode_handle *fwnode, 344 const struct irq_domain_ops *ops, 345 void *host_data); 346 347#ifdef CONFIG_X86_IO_APIC 348extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); 349#else 350static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity) 351{ 352 return -1; 353} 354#endif 355/* 356 * This function undoes the effect of one call to acpi_register_gsi(). 357 * If this matches the last registration, any IRQ resources for gsi 358 * are freed. 359 */ 360void acpi_unregister_gsi (u32 gsi); 361 362struct pci_dev; 363 364int acpi_pci_irq_enable (struct pci_dev *dev); 365void acpi_penalize_isa_irq(int irq, int active); 366bool acpi_isa_irq_available(int irq); 367#ifdef CONFIG_PCI 368void acpi_penalize_sci_irq(int irq, int trigger, int polarity); 369#else 370static inline void acpi_penalize_sci_irq(int irq, int trigger, 371 int polarity) 372{ 373} 374#endif 375void acpi_pci_irq_disable (struct pci_dev *dev); 376 377extern int ec_read(u8 addr, u8 *val); 378extern int ec_write(u8 addr, u8 val); 379extern int ec_transaction(u8 command, 380 const u8 *wdata, unsigned wdata_len, 381 u8 *rdata, unsigned rdata_len); 382extern acpi_handle ec_get_handle(void); 383 384extern bool acpi_is_pnp_device(struct acpi_device *); 385 386#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 387 388typedef void (*wmi_notify_handler) (u32 value, void *context); 389 390int wmi_instance_count(const char *guid); 391 392extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 393 u32 method_id, 394 const struct acpi_buffer *in, 395 struct acpi_buffer *out); 396extern acpi_status wmi_query_block(const char *guid, u8 instance, 397 struct acpi_buffer *out); 398extern acpi_status wmi_set_block(const char *guid, u8 instance, 399 const struct acpi_buffer *in); 400extern acpi_status wmi_install_notify_handler(const char *guid, 401 wmi_notify_handler handler, void *data); 402extern acpi_status wmi_remove_notify_handler(const char *guid); 403extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); 404extern bool wmi_has_guid(const char *guid); 405extern char *wmi_get_acpi_device_uid(const char *guid); 406 407#endif /* CONFIG_ACPI_WMI */ 408 409#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 410#define ACPI_VIDEO_DEVICE_POSTING 0x0002 411#define ACPI_VIDEO_ROM_AVAILABLE 0x0004 412#define ACPI_VIDEO_BACKLIGHT 0x0008 413#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 414#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 415#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 416#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 417#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 418#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 419#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 420#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 421 422extern char acpi_video_backlight_string[]; 423extern long acpi_is_video_device(acpi_handle handle); 424extern int acpi_blacklisted(void); 425extern void acpi_osi_setup(char *str); 426extern bool acpi_osi_is_win8(void); 427 428#ifdef CONFIG_ACPI_THERMAL_LIB 429int thermal_acpi_active_trip_temp(struct acpi_device *adev, int id, int *ret_temp); 430int thermal_acpi_passive_trip_temp(struct acpi_device *adev, int *ret_temp); 431int thermal_acpi_hot_trip_temp(struct acpi_device *adev, int *ret_temp); 432int thermal_acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp); 433#endif 434 435#ifdef CONFIG_ACPI_HMAT 436int acpi_get_genport_coordinates(u32 uid, struct access_coordinate *coord); 437#else 438static inline int acpi_get_genport_coordinates(u32 uid, 439 struct access_coordinate *coord) 440{ 441 return -EOPNOTSUPP; 442} 443#endif 444 445#ifdef CONFIG_ACPI_NUMA 446int acpi_map_pxm_to_node(int pxm); 447int acpi_get_node(acpi_handle handle); 448 449/** 450 * pxm_to_online_node - Map proximity ID to online node 451 * @pxm: ACPI proximity ID 452 * 453 * This is similar to pxm_to_node(), but always returns an online 454 * node. When the mapped node from a given proximity ID is offline, it 455 * looks up the node distance table and returns the nearest online node. 456 * 457 * ACPI device drivers, which are called after the NUMA initialization has 458 * completed in the kernel, can call this interface to obtain their device 459 * NUMA topology from ACPI tables. Such drivers do not have to deal with 460 * offline nodes. A node may be offline when SRAT memory entry does not exist, 461 * or NUMA is disabled, ex. "numa=off" on x86. 462 */ 463static inline int pxm_to_online_node(int pxm) 464{ 465 int node = pxm_to_node(pxm); 466 467 return numa_map_to_online_node(node); 468} 469#else 470static inline int pxm_to_online_node(int pxm) 471{ 472 return 0; 473} 474static inline int acpi_map_pxm_to_node(int pxm) 475{ 476 return 0; 477} 478static inline int acpi_get_node(acpi_handle handle) 479{ 480 return 0; 481} 482#endif 483extern int pnpacpi_disabled; 484 485#define PXM_INVAL (-1) 486 487bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res); 488bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res); 489bool acpi_dev_resource_address_space(struct acpi_resource *ares, 490 struct resource_win *win); 491bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, 492 struct resource_win *win); 493unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, u8 wake_capable); 494unsigned int acpi_dev_get_irq_type(int triggering, int polarity); 495bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, 496 struct resource *res); 497 498void acpi_dev_free_resource_list(struct list_head *list); 499int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, 500 int (*preproc)(struct acpi_resource *, void *), 501 void *preproc_data); 502int acpi_dev_get_dma_resources(struct acpi_device *adev, 503 struct list_head *list); 504int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list); 505int acpi_dev_filter_resource_type(struct acpi_resource *ares, 506 unsigned long types); 507 508static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares, 509 void *arg) 510{ 511 return acpi_dev_filter_resource_type(ares, (unsigned long)arg); 512} 513 514struct acpi_device *acpi_resource_consumer(struct resource *res); 515 516int acpi_check_resource_conflict(const struct resource *res); 517 518int acpi_check_region(resource_size_t start, resource_size_t n, 519 const char *name); 520 521int acpi_resources_are_enforced(void); 522 523#ifdef CONFIG_HIBERNATION 524extern int acpi_check_s4_hw_signature; 525#endif 526 527#ifdef CONFIG_PM_SLEEP 528void __init acpi_old_suspend_ordering(void); 529void __init acpi_nvs_nosave(void); 530void __init acpi_nvs_nosave_s3(void); 531void __init acpi_sleep_no_blacklist(void); 532#endif /* CONFIG_PM_SLEEP */ 533 534int acpi_register_wakeup_handler( 535 int wake_irq, bool (*wakeup)(void *context), void *context); 536void acpi_unregister_wakeup_handler( 537 bool (*wakeup)(void *context), void *context); 538 539struct acpi_osc_context { 540 char *uuid_str; /* UUID string */ 541 int rev; 542 struct acpi_buffer cap; /* list of DWORD capabilities */ 543 struct acpi_buffer ret; /* free by caller if success */ 544}; 545 546acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); 547 548/* Number of _OSC capability DWORDS depends on bridge type */ 549#define OSC_PCI_CAPABILITY_DWORDS 3 550#define OSC_CXL_CAPABILITY_DWORDS 5 551 552/* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */ 553#define OSC_QUERY_DWORD 0 /* DWORD 1 */ 554#define OSC_SUPPORT_DWORD 1 /* DWORD 2 */ 555#define OSC_CONTROL_DWORD 2 /* DWORD 3 */ 556#define OSC_EXT_SUPPORT_DWORD 3 /* DWORD 4 */ 557#define OSC_EXT_CONTROL_DWORD 4 /* DWORD 5 */ 558 559/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */ 560#define OSC_QUERY_ENABLE 0x00000001 /* input */ 561#define OSC_REQUEST_ERROR 0x00000002 /* return */ 562#define OSC_INVALID_UUID_ERROR 0x00000004 /* return */ 563#define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */ 564#define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */ 565 566/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */ 567#define OSC_SB_PAD_SUPPORT 0x00000001 568#define OSC_SB_PPC_OST_SUPPORT 0x00000002 569#define OSC_SB_PR3_SUPPORT 0x00000004 570#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008 571#define OSC_SB_APEI_SUPPORT 0x00000010 572#define OSC_SB_CPC_SUPPORT 0x00000020 573#define OSC_SB_CPCV2_SUPPORT 0x00000040 574#define OSC_SB_PCLPI_SUPPORT 0x00000080 575#define OSC_SB_OSLPI_SUPPORT 0x00000100 576#define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 577#define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00002000 578#define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000 579#define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000 580#define OSC_SB_PRM_SUPPORT 0x00200000 581#define OSC_SB_FFH_OPR_SUPPORT 0x00400000 582 583extern bool osc_sb_apei_support_acked; 584extern bool osc_pc_lpi_support_confirmed; 585extern bool osc_sb_native_usb4_support_confirmed; 586extern bool osc_sb_cppc2_support_acked; 587extern bool osc_cpc_flexible_adr_space_confirmed; 588 589/* USB4 Capabilities */ 590#define OSC_USB_USB3_TUNNELING 0x00000001 591#define OSC_USB_DP_TUNNELING 0x00000002 592#define OSC_USB_PCIE_TUNNELING 0x00000004 593#define OSC_USB_XDOMAIN 0x00000008 594 595extern u32 osc_sb_native_usb4_control; 596 597/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */ 598#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001 599#define OSC_PCI_ASPM_SUPPORT 0x00000002 600#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004 601#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008 602#define OSC_PCI_MSI_SUPPORT 0x00000010 603#define OSC_PCI_EDR_SUPPORT 0x00000080 604#define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100 605 606/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */ 607#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001 608#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002 609#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004 610#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008 611#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010 612#define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020 613#define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080 614 615/* CXL _OSC: Capabilities DWORD 4: Support Field */ 616#define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT 0x00000001 617#define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT 0x00000002 618#define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT 0x00000004 619#define OSC_CXL_NATIVE_HP_SUPPORT 0x00000008 620 621/* CXL _OSC: Capabilities DWORD 5: Control Field */ 622#define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001 623 624static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context) 625{ 626 u32 *ret = context->ret.pointer; 627 628 return ret[OSC_CONTROL_DWORD]; 629} 630 631static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context) 632{ 633 u32 *ret = context->ret.pointer; 634 635 return ret[OSC_EXT_CONTROL_DWORD]; 636} 637 638#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002 639#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004 640#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006 641#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008 642#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A 643#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B 644#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C 645#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D 646#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E 647#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F 648 649/* Enable _OST when all relevant hotplug operations are enabled */ 650#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ 651 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \ 652 defined(CONFIG_ACPI_CONTAINER) 653#define ACPI_HOTPLUG_OST 654#endif 655 656/* _OST Source Event Code (OSPM Action) */ 657#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100 658#define ACPI_OST_EC_OSPM_EJECT 0x103 659#define ACPI_OST_EC_OSPM_INSERTION 0x200 660 661/* _OST General Processing Status Code */ 662#define ACPI_OST_SC_SUCCESS 0x0 663#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1 664#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2 665 666/* _OST OS Shutdown Processing (0x100) Status Code */ 667#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80 668#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81 669#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82 670#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83 671 672/* _OST Ejection Request (0x3, 0x103) Status Code */ 673#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80 674#define ACPI_OST_SC_DEVICE_IN_USE 0x81 675#define ACPI_OST_SC_DEVICE_BUSY 0x82 676#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83 677#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84 678 679/* _OST Insertion Request (0x200) Status Code */ 680#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80 681#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 682#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 683 684enum acpi_predicate { 685 all_versions, 686 less_than_or_equal, 687 equal, 688 greater_than_or_equal, 689}; 690 691/* Table must be terminted by a NULL entry */ 692struct acpi_platform_list { 693 char oem_id[ACPI_OEM_ID_SIZE+1]; 694 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1]; 695 u32 oem_revision; 696 char *table; 697 enum acpi_predicate pred; 698 char *reason; 699 u32 data; 700}; 701int acpi_match_platform_list(const struct acpi_platform_list *plat); 702 703extern void acpi_early_init(void); 704extern void acpi_subsystem_init(void); 705 706extern int acpi_nvs_register(__u64 start, __u64 size); 707 708extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 709 void *data); 710 711const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids, 712 const struct acpi_device *adev); 713 714const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, 715 const struct device *dev); 716 717const void *acpi_device_get_match_data(const struct device *dev); 718extern bool acpi_driver_match_device(struct device *dev, 719 const struct device_driver *drv); 720int acpi_device_uevent_modalias(const struct device *, struct kobj_uevent_env *); 721int acpi_device_modalias(struct device *, char *, int); 722 723struct platform_device *acpi_create_platform_device(struct acpi_device *, 724 const struct property_entry *); 725#define ACPI_PTR(_ptr) (_ptr) 726 727static inline void acpi_device_set_enumerated(struct acpi_device *adev) 728{ 729 adev->flags.visited = true; 730} 731 732static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 733{ 734 adev->flags.visited = false; 735} 736 737enum acpi_reconfig_event { 738 ACPI_RECONFIG_DEVICE_ADD = 0, 739 ACPI_RECONFIG_DEVICE_REMOVE, 740}; 741 742int acpi_reconfig_notifier_register(struct notifier_block *nb); 743int acpi_reconfig_notifier_unregister(struct notifier_block *nb); 744 745#ifdef CONFIG_ACPI_GTDT 746int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count); 747int acpi_gtdt_map_ppi(int type); 748bool acpi_gtdt_c3stop(int type); 749int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count); 750#endif 751 752#ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER 753static inline void acpi_arch_set_root_pointer(u64 addr) 754{ 755} 756#endif 757 758#ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER 759static inline u64 acpi_arch_get_root_pointer(void) 760{ 761 return 0; 762} 763#endif 764 765int acpi_get_local_address(acpi_handle handle, u32 *addr); 766const char *acpi_get_subsystem_id(acpi_handle handle); 767 768#else /* !CONFIG_ACPI */ 769 770#define acpi_disabled 1 771 772#define ACPI_COMPANION(dev) (NULL) 773#define ACPI_COMPANION_SET(dev, adev) do { } while (0) 774#define ACPI_HANDLE(dev) (NULL) 775#define ACPI_HANDLE_FWNODE(fwnode) (NULL) 776 777/* Get rid of the -Wunused-variable for adev */ 778#define acpi_dev_uid_match(adev, uid2) (adev && false) 779#define acpi_dev_hid_uid_match(adev, hid2, uid2) (adev && false) 780 781#include <acpi/acpi_numa.h> 782 783struct fwnode_handle; 784 785static inline bool acpi_dev_found(const char *hid) 786{ 787 return false; 788} 789 790static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv) 791{ 792 return false; 793} 794 795struct acpi_device; 796 797static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer) 798{ 799 return -ENODEV; 800} 801 802static inline struct acpi_device * 803acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv) 804{ 805 return NULL; 806} 807 808static inline bool acpi_reduced_hardware(void) 809{ 810 return false; 811} 812 813static inline void acpi_dev_put(struct acpi_device *adev) {} 814 815static inline bool is_acpi_node(const struct fwnode_handle *fwnode) 816{ 817 return false; 818} 819 820static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode) 821{ 822 return false; 823} 824 825static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode) 826{ 827 return NULL; 828} 829 830static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode) 831{ 832 return false; 833} 834 835static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode) 836{ 837 return NULL; 838} 839 840static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode, 841 const char *name) 842{ 843 return false; 844} 845 846static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) 847{ 848 return NULL; 849} 850 851static inline bool has_acpi_companion(struct device *dev) 852{ 853 return false; 854} 855 856static inline void acpi_preset_companion(struct device *dev, 857 struct acpi_device *parent, u64 addr) 858{ 859} 860 861static inline const char *acpi_dev_name(struct acpi_device *adev) 862{ 863 return NULL; 864} 865 866static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev) 867{ 868 return NULL; 869} 870 871static inline void acpi_early_init(void) { } 872static inline void acpi_subsystem_init(void) { } 873 874static inline int early_acpi_boot_init(void) 875{ 876 return 0; 877} 878static inline int acpi_boot_init(void) 879{ 880 return 0; 881} 882 883static inline void acpi_boot_table_prepare(void) 884{ 885} 886 887static inline void acpi_boot_table_init(void) 888{ 889} 890 891static inline int acpi_mps_check(void) 892{ 893 return 0; 894} 895 896static inline int acpi_check_resource_conflict(struct resource *res) 897{ 898 return 0; 899} 900 901static inline int acpi_check_region(resource_size_t start, resource_size_t n, 902 const char *name) 903{ 904 return 0; 905} 906 907struct acpi_table_header; 908static inline int acpi_table_parse(char *id, 909 int (*handler)(struct acpi_table_header *)) 910{ 911 return -ENODEV; 912} 913 914static inline int acpi_nvs_register(__u64 start, __u64 size) 915{ 916 return 0; 917} 918 919static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 920 void *data) 921{ 922 return 0; 923} 924 925struct acpi_device_id; 926 927static inline const struct acpi_device_id *acpi_match_acpi_device( 928 const struct acpi_device_id *ids, const struct acpi_device *adev) 929{ 930 return NULL; 931} 932 933static inline const struct acpi_device_id *acpi_match_device( 934 const struct acpi_device_id *ids, const struct device *dev) 935{ 936 return NULL; 937} 938 939static inline const void *acpi_device_get_match_data(const struct device *dev) 940{ 941 return NULL; 942} 943 944static inline bool acpi_driver_match_device(struct device *dev, 945 const struct device_driver *drv) 946{ 947 return false; 948} 949 950static inline bool acpi_check_dsm(acpi_handle handle, const guid_t *guid, 951 u64 rev, u64 funcs) 952{ 953 return false; 954} 955 956static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle, 957 const guid_t *guid, 958 u64 rev, u64 func, 959 union acpi_object *argv4) 960{ 961 return NULL; 962} 963 964static inline union acpi_object *acpi_evaluate_dsm_typed(acpi_handle handle, 965 const guid_t *guid, 966 u64 rev, u64 func, 967 union acpi_object *argv4, 968 acpi_object_type type) 969{ 970 return NULL; 971} 972 973static inline int acpi_device_uevent_modalias(const struct device *dev, 974 struct kobj_uevent_env *env) 975{ 976 return -ENODEV; 977} 978 979static inline int acpi_device_modalias(struct device *dev, 980 char *buf, int size) 981{ 982 return -ENODEV; 983} 984 985static inline struct platform_device * 986acpi_create_platform_device(struct acpi_device *adev, 987 const struct property_entry *properties) 988{ 989 return NULL; 990} 991 992static inline bool acpi_dma_supported(const struct acpi_device *adev) 993{ 994 return false; 995} 996 997static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev) 998{ 999 return DEV_DMA_NOT_SUPPORTED; 1000} 1001 1002static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map) 1003{ 1004 return -ENODEV; 1005} 1006 1007static inline int acpi_dma_configure(struct device *dev, 1008 enum dev_dma_attr attr) 1009{ 1010 return 0; 1011} 1012 1013static inline int acpi_dma_configure_id(struct device *dev, 1014 enum dev_dma_attr attr, 1015 const u32 *input_id) 1016{ 1017 return 0; 1018} 1019 1020#define ACPI_PTR(_ptr) (NULL) 1021 1022static inline void acpi_device_set_enumerated(struct acpi_device *adev) 1023{ 1024} 1025 1026static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 1027{ 1028} 1029 1030static inline int acpi_reconfig_notifier_register(struct notifier_block *nb) 1031{ 1032 return -EINVAL; 1033} 1034 1035static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb) 1036{ 1037 return -EINVAL; 1038} 1039 1040static inline struct acpi_device *acpi_resource_consumer(struct resource *res) 1041{ 1042 return NULL; 1043} 1044 1045static inline int acpi_get_local_address(acpi_handle handle, u32 *addr) 1046{ 1047 return -ENODEV; 1048} 1049 1050static inline const char *acpi_get_subsystem_id(acpi_handle handle) 1051{ 1052 return ERR_PTR(-ENODEV); 1053} 1054 1055static inline int acpi_register_wakeup_handler(int wake_irq, 1056 bool (*wakeup)(void *context), void *context) 1057{ 1058 return -ENXIO; 1059} 1060 1061static inline void acpi_unregister_wakeup_handler( 1062 bool (*wakeup)(void *context), void *context) { } 1063 1064struct acpi_osc_context; 1065static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context) 1066{ 1067 return 0; 1068} 1069 1070static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context) 1071{ 1072 return 0; 1073} 1074 1075static inline bool acpi_sleep_state_supported(u8 sleep_state) 1076{ 1077 return false; 1078} 1079 1080#endif /* !CONFIG_ACPI */ 1081 1082extern void arch_post_acpi_subsys_init(void); 1083 1084#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 1085int acpi_ioapic_add(acpi_handle root); 1086#else 1087static inline int acpi_ioapic_add(acpi_handle root) { return 0; } 1088#endif 1089 1090#ifdef CONFIG_ACPI 1091void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, 1092 u32 pm1a_ctrl, u32 pm1b_ctrl)); 1093 1094acpi_status acpi_os_prepare_sleep(u8 sleep_state, 1095 u32 pm1a_control, u32 pm1b_control); 1096 1097void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, 1098 u32 val_a, u32 val_b)); 1099 1100acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, 1101 u32 val_a, u32 val_b); 1102#if defined(CONFIG_SUSPEND) && defined(CONFIG_X86) 1103struct acpi_s2idle_dev_ops { 1104 struct list_head list_node; 1105 void (*prepare)(void); 1106 void (*check)(void); 1107 void (*restore)(void); 1108}; 1109int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg); 1110void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg); 1111int acpi_get_lps0_constraint(struct acpi_device *adev); 1112#else /* CONFIG_SUSPEND && CONFIG_X86 */ 1113static inline int acpi_get_lps0_constraint(struct device *dev) 1114{ 1115 return ACPI_STATE_UNKNOWN; 1116} 1117#endif /* CONFIG_SUSPEND && CONFIG_X86 */ 1118void arch_reserve_mem_area(acpi_physical_address addr, size_t size); 1119#else 1120#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) 1121#endif 1122 1123#if defined(CONFIG_ACPI) && defined(CONFIG_PM) 1124int acpi_dev_suspend(struct device *dev, bool wakeup); 1125int acpi_dev_resume(struct device *dev); 1126int acpi_subsys_runtime_suspend(struct device *dev); 1127int acpi_subsys_runtime_resume(struct device *dev); 1128int acpi_dev_pm_attach(struct device *dev, bool power_on); 1129bool acpi_storage_d3(struct device *dev); 1130bool acpi_dev_state_d0(struct device *dev); 1131#else 1132static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } 1133static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } 1134static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) 1135{ 1136 return 0; 1137} 1138static inline bool acpi_storage_d3(struct device *dev) 1139{ 1140 return false; 1141} 1142static inline bool acpi_dev_state_d0(struct device *dev) 1143{ 1144 return true; 1145} 1146#endif 1147 1148#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) 1149int acpi_subsys_prepare(struct device *dev); 1150void acpi_subsys_complete(struct device *dev); 1151int acpi_subsys_suspend_late(struct device *dev); 1152int acpi_subsys_suspend_noirq(struct device *dev); 1153int acpi_subsys_suspend(struct device *dev); 1154int acpi_subsys_freeze(struct device *dev); 1155int acpi_subsys_poweroff(struct device *dev); 1156void acpi_ec_mark_gpe_for_wake(void); 1157void acpi_ec_set_gpe_wake_mask(u8 action); 1158int acpi_subsys_restore_early(struct device *dev); 1159#else 1160static inline int acpi_subsys_prepare(struct device *dev) { return 0; } 1161static inline void acpi_subsys_complete(struct device *dev) {} 1162static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } 1163static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; } 1164static inline int acpi_subsys_suspend(struct device *dev) { return 0; } 1165static inline int acpi_subsys_freeze(struct device *dev) { return 0; } 1166static inline int acpi_subsys_poweroff(struct device *dev) { return 0; } 1167static inline int acpi_subsys_restore_early(struct device *dev) { return 0; } 1168static inline void acpi_ec_mark_gpe_for_wake(void) {} 1169static inline void acpi_ec_set_gpe_wake_mask(u8 action) {} 1170#endif 1171 1172#ifdef CONFIG_ACPI 1173char *acpi_handle_path(acpi_handle handle); 1174__printf(3, 4) 1175void acpi_handle_printk(const char *level, acpi_handle handle, 1176 const char *fmt, ...); 1177void acpi_evaluation_failure_warn(acpi_handle handle, const char *name, 1178 acpi_status status); 1179#else /* !CONFIG_ACPI */ 1180static inline __printf(3, 4) void 1181acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} 1182static inline void acpi_evaluation_failure_warn(acpi_handle handle, 1183 const char *name, 1184 acpi_status status) {} 1185#endif /* !CONFIG_ACPI */ 1186 1187#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) 1188__printf(3, 4) 1189void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); 1190#endif 1191 1192/* 1193 * acpi_handle_<level>: Print message with ACPI prefix and object path 1194 * 1195 * These interfaces acquire the global namespace mutex to obtain an object 1196 * path. In interrupt context, it shows the object path as <n/a>. 1197 */ 1198#define acpi_handle_emerg(handle, fmt, ...) \ 1199 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) 1200#define acpi_handle_alert(handle, fmt, ...) \ 1201 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) 1202#define acpi_handle_crit(handle, fmt, ...) \ 1203 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) 1204#define acpi_handle_err(handle, fmt, ...) \ 1205 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) 1206#define acpi_handle_warn(handle, fmt, ...) \ 1207 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) 1208#define acpi_handle_notice(handle, fmt, ...) \ 1209 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) 1210#define acpi_handle_info(handle, fmt, ...) \ 1211 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) 1212 1213#if defined(DEBUG) 1214#define acpi_handle_debug(handle, fmt, ...) \ 1215 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) 1216#else 1217#if defined(CONFIG_DYNAMIC_DEBUG) 1218#define acpi_handle_debug(handle, fmt, ...) \ 1219 _dynamic_func_call(fmt, __acpi_handle_debug, \ 1220 handle, pr_fmt(fmt), ##__VA_ARGS__) 1221#else 1222#define acpi_handle_debug(handle, fmt, ...) \ 1223({ \ 1224 if (0) \ 1225 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ 1226 0; \ 1227}) 1228#endif 1229#endif 1230 1231#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) 1232bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1233 struct acpi_resource_gpio **agpio); 1234bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1235 struct acpi_resource_gpio **agpio); 1236int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name, int index, 1237 bool *wake_capable); 1238#else 1239static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1240 struct acpi_resource_gpio **agpio) 1241{ 1242 return false; 1243} 1244static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1245 struct acpi_resource_gpio **agpio) 1246{ 1247 return false; 1248} 1249static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name, 1250 int index, bool *wake_capable) 1251{ 1252 return -ENXIO; 1253} 1254#endif 1255 1256static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index, 1257 bool *wake_capable) 1258{ 1259 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable); 1260} 1261 1262static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *name, 1263 int index) 1264{ 1265 return acpi_dev_gpio_irq_wake_get_by(adev, name, index, NULL); 1266} 1267 1268static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) 1269{ 1270 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL); 1271} 1272 1273/* Device properties */ 1274 1275#ifdef CONFIG_ACPI 1276int acpi_dev_get_property(const struct acpi_device *adev, const char *name, 1277 acpi_object_type type, const union acpi_object **obj); 1278int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1279 const char *name, size_t index, size_t num_args, 1280 struct fwnode_reference_args *args); 1281 1282static inline int acpi_node_get_property_reference( 1283 const struct fwnode_handle *fwnode, 1284 const char *name, size_t index, 1285 struct fwnode_reference_args *args) 1286{ 1287 return __acpi_node_get_property_reference(fwnode, name, index, 1288 NR_FWNODE_REFERENCE_ARGS, args); 1289} 1290 1291static inline bool acpi_dev_has_props(const struct acpi_device *adev) 1292{ 1293 return !list_empty(&adev->data.properties); 1294} 1295 1296struct acpi_device_properties * 1297acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid, 1298 union acpi_object *properties); 1299 1300int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname, 1301 void **valptr); 1302 1303struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1304 struct fwnode_handle *child); 1305 1306struct acpi_probe_entry; 1307typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *, 1308 struct acpi_probe_entry *); 1309 1310#define ACPI_TABLE_ID_LEN 5 1311 1312/** 1313 * struct acpi_probe_entry - boot-time probing entry 1314 * @id: ACPI table name 1315 * @type: Optional subtable type to match 1316 * (if @id contains subtables) 1317 * @subtable_valid: Optional callback to check the validity of 1318 * the subtable 1319 * @probe_table: Callback to the driver being probed when table 1320 * match is successful 1321 * @probe_subtbl: Callback to the driver being probed when table and 1322 * subtable match (and optional callback is successful) 1323 * @driver_data: Sideband data provided back to the driver 1324 */ 1325struct acpi_probe_entry { 1326 __u8 id[ACPI_TABLE_ID_LEN]; 1327 __u8 type; 1328 acpi_probe_entry_validate_subtbl subtable_valid; 1329 union { 1330 acpi_tbl_table_handler probe_table; 1331 acpi_tbl_entry_handler probe_subtbl; 1332 }; 1333 kernel_ulong_t driver_data; 1334}; 1335 1336#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \ 1337 valid, data, fn) \ 1338 static const struct acpi_probe_entry __acpi_probe_##name \ 1339 __used __section("__" #table "_acpi_probe_table") = { \ 1340 .id = table_id, \ 1341 .type = subtable, \ 1342 .subtable_valid = valid, \ 1343 .probe_table = fn, \ 1344 .driver_data = data, \ 1345 } 1346 1347#define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \ 1348 subtable, valid, data, fn) \ 1349 static const struct acpi_probe_entry __acpi_probe_##name \ 1350 __used __section("__" #table "_acpi_probe_table") = { \ 1351 .id = table_id, \ 1352 .type = subtable, \ 1353 .subtable_valid = valid, \ 1354 .probe_subtbl = fn, \ 1355 .driver_data = data, \ 1356 } 1357 1358#define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table 1359#define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end 1360 1361int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr); 1362 1363#define acpi_probe_device_table(t) \ 1364 ({ \ 1365 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \ 1366 ACPI_PROBE_TABLE_END(t); \ 1367 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \ 1368 (&ACPI_PROBE_TABLE_END(t) - \ 1369 &ACPI_PROBE_TABLE(t))); \ 1370 }) 1371#else 1372static inline int acpi_dev_get_property(struct acpi_device *adev, 1373 const char *name, acpi_object_type type, 1374 const union acpi_object **obj) 1375{ 1376 return -ENXIO; 1377} 1378 1379static inline int 1380__acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1381 const char *name, size_t index, size_t num_args, 1382 struct fwnode_reference_args *args) 1383{ 1384 return -ENXIO; 1385} 1386 1387static inline int 1388acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1389 const char *name, size_t index, 1390 struct fwnode_reference_args *args) 1391{ 1392 return -ENXIO; 1393} 1394 1395static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode, 1396 const char *propname, 1397 void **valptr) 1398{ 1399 return -ENXIO; 1400} 1401 1402static inline struct fwnode_handle * 1403acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1404 struct fwnode_handle *child) 1405{ 1406 return NULL; 1407} 1408 1409static inline struct fwnode_handle * 1410acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode, 1411 struct fwnode_handle *prev) 1412{ 1413 return ERR_PTR(-ENXIO); 1414} 1415 1416static inline int 1417acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode, 1418 struct fwnode_handle **remote, 1419 struct fwnode_handle **port, 1420 struct fwnode_handle **endpoint) 1421{ 1422 return -ENXIO; 1423} 1424 1425#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ 1426 static const void * __acpi_table_##name[] \ 1427 __attribute__((unused)) \ 1428 = { (void *) table_id, \ 1429 (void *) subtable, \ 1430 (void *) valid, \ 1431 (void *) fn, \ 1432 (void *) data } 1433 1434#define acpi_probe_device_table(t) ({ int __r = 0; __r;}) 1435#endif 1436 1437#ifdef CONFIG_ACPI_TABLE_UPGRADE 1438void acpi_table_upgrade(void); 1439#else 1440static inline void acpi_table_upgrade(void) { } 1441#endif 1442 1443#if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG) 1444extern bool acpi_has_watchdog(void); 1445#else 1446static inline bool acpi_has_watchdog(void) { return false; } 1447#endif 1448 1449#ifdef CONFIG_ACPI_SPCR_TABLE 1450extern bool qdf2400_e44_present; 1451int acpi_parse_spcr(bool enable_earlycon, bool enable_console); 1452#else 1453static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console) 1454{ 1455 return 0; 1456} 1457#endif 1458 1459#if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI) 1460int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res); 1461#else 1462static inline 1463int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res) 1464{ 1465 return -EINVAL; 1466} 1467#endif 1468 1469#ifdef CONFIG_ACPI_LPIT 1470int lpit_read_residency_count_address(u64 *address); 1471#else 1472static inline int lpit_read_residency_count_address(u64 *address) 1473{ 1474 return -EINVAL; 1475} 1476#endif 1477 1478#ifdef CONFIG_ACPI_PROCESSOR_IDLE 1479#ifndef arch_get_idle_state_flags 1480static inline unsigned int arch_get_idle_state_flags(u32 arch_flags) 1481{ 1482 return 0; 1483} 1484#endif 1485#endif /* CONFIG_ACPI_PROCESSOR_IDLE */ 1486 1487#ifdef CONFIG_ACPI_PPTT 1488int acpi_pptt_cpu_is_thread(unsigned int cpu); 1489int find_acpi_cpu_topology(unsigned int cpu, int level); 1490int find_acpi_cpu_topology_cluster(unsigned int cpu); 1491int find_acpi_cpu_topology_package(unsigned int cpu); 1492int find_acpi_cpu_topology_hetero_id(unsigned int cpu); 1493#else 1494static inline int acpi_pptt_cpu_is_thread(unsigned int cpu) 1495{ 1496 return -EINVAL; 1497} 1498static inline int find_acpi_cpu_topology(unsigned int cpu, int level) 1499{ 1500 return -EINVAL; 1501} 1502static inline int find_acpi_cpu_topology_cluster(unsigned int cpu) 1503{ 1504 return -EINVAL; 1505} 1506static inline int find_acpi_cpu_topology_package(unsigned int cpu) 1507{ 1508 return -EINVAL; 1509} 1510static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu) 1511{ 1512 return -EINVAL; 1513} 1514#endif 1515 1516#ifdef CONFIG_ARM64 1517void acpi_arm_init(void); 1518#else 1519static inline void acpi_arm_init(void) { } 1520#endif 1521 1522#ifdef CONFIG_ACPI_PCC 1523void acpi_init_pcc(void); 1524#else 1525static inline void acpi_init_pcc(void) { } 1526#endif 1527 1528#ifdef CONFIG_ACPI_FFH 1529void acpi_init_ffh(void); 1530extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt, 1531 void **region_ctxt); 1532extern int acpi_ffh_address_space_arch_handler(acpi_integer *value, 1533 void *region_context); 1534#else 1535static inline void acpi_init_ffh(void) { } 1536#endif 1537 1538#ifdef CONFIG_ACPI 1539extern void acpi_device_notify(struct device *dev); 1540extern void acpi_device_notify_remove(struct device *dev); 1541#else 1542static inline void acpi_device_notify(struct device *dev) { } 1543static inline void acpi_device_notify_remove(struct device *dev) { } 1544#endif 1545 1546static inline void acpi_use_parent_companion(struct device *dev) 1547{ 1548 ACPI_COMPANION_SET(dev, ACPI_COMPANION(dev->parent)); 1549} 1550 1551#ifdef CONFIG_ACPI_HMAT 1552int hmat_update_target_coordinates(int nid, struct access_coordinate *coord, 1553 enum access_coordinate_class access); 1554#else 1555static inline int hmat_update_target_coordinates(int nid, 1556 struct access_coordinate *coord, 1557 enum access_coordinate_class access) 1558{ 1559 return -EOPNOTSUPP; 1560} 1561#endif 1562 1563#ifdef CONFIG_ACPI_NUMA 1564bool acpi_node_backed_by_real_pxm(int nid); 1565#else 1566static inline bool acpi_node_backed_by_real_pxm(int nid) 1567{ 1568 return false; 1569} 1570#endif 1571 1572#endif /*_LINUX_ACPI_H*/ 1573