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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/irqdomain.h> 14#include <linux/resource_ext.h> 15#include <linux/device.h> 16#include <linux/property.h> 17#include <linux/uuid.h> 18 19#ifndef _LINUX 20#define _LINUX 21#endif 22#include <acpi/acpi.h> 23 24#ifdef CONFIG_ACPI 25 26#include <linux/list.h> 27#include <linux/mod_devicetable.h> 28#include <linux/dynamic_debug.h> 29#include <linux/module.h> 30#include <linux/mutex.h> 31 32#include <acpi/acpi_bus.h> 33#include <acpi/acpi_drivers.h> 34#include <acpi/acpi_numa.h> 35#include <acpi/acpi_io.h> 36#include <asm/acpi.h> 37 38static inline acpi_handle acpi_device_handle(struct acpi_device *adev) 39{ 40 return adev ? adev->handle : NULL; 41} 42 43#define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode) 44#define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \ 45 acpi_fwnode_handle(adev) : NULL) 46#define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev)) 47#define ACPI_HANDLE_FWNODE(fwnode) \ 48 acpi_device_handle(to_acpi_device_node(fwnode)) 49 50static inline struct fwnode_handle *acpi_alloc_fwnode_static(void) 51{ 52 struct fwnode_handle *fwnode; 53 54 fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL); 55 if (!fwnode) 56 return NULL; 57 58 fwnode_init(fwnode, &acpi_static_fwnode_ops); 59 60 return fwnode; 61} 62 63static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode) 64{ 65 if (WARN_ON(!is_acpi_static_node(fwnode))) 66 return; 67 68 kfree(fwnode); 69} 70 71/** 72 * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with 73 * the PCI-defined class-code information 74 * 75 * @_cls : the class, subclass, prog-if triple for this device 76 * @_msk : the class mask for this device 77 * 78 * This macro is used to create a struct acpi_device_id that matches a 79 * specific PCI class. The .id and .driver_data fields will be left 80 * initialized with the default value. 81 */ 82#define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (_cls), .cls_msk = (_msk), 83 84static inline bool has_acpi_companion(struct device *dev) 85{ 86 return is_acpi_device_node(dev->fwnode); 87} 88 89static inline void acpi_preset_companion(struct device *dev, 90 struct acpi_device *parent, u64 addr) 91{ 92 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false)); 93} 94 95static inline const char *acpi_dev_name(struct acpi_device *adev) 96{ 97 return dev_name(&adev->dev); 98} 99 100struct device *acpi_get_first_physical_node(struct acpi_device *adev); 101 102enum acpi_irq_model_id { 103 ACPI_IRQ_MODEL_PIC = 0, 104 ACPI_IRQ_MODEL_IOAPIC, 105 ACPI_IRQ_MODEL_IOSAPIC, 106 ACPI_IRQ_MODEL_PLATFORM, 107 ACPI_IRQ_MODEL_GIC, 108 ACPI_IRQ_MODEL_LPIC, 109 ACPI_IRQ_MODEL_COUNT 110}; 111 112extern enum acpi_irq_model_id acpi_irq_model; 113 114enum acpi_interrupt_id { 115 ACPI_INTERRUPT_PMI = 1, 116 ACPI_INTERRUPT_INIT, 117 ACPI_INTERRUPT_CPEI, 118 ACPI_INTERRUPT_COUNT 119}; 120 121#define ACPI_SPACE_MEM 0 122 123enum acpi_address_range_id { 124 ACPI_ADDRESS_RANGE_MEMORY = 1, 125 ACPI_ADDRESS_RANGE_RESERVED = 2, 126 ACPI_ADDRESS_RANGE_ACPI = 3, 127 ACPI_ADDRESS_RANGE_NVS = 4, 128 ACPI_ADDRESS_RANGE_COUNT 129}; 130 131 132/* Table Handlers */ 133union acpi_subtable_headers { 134 struct acpi_subtable_header common; 135 struct acpi_hmat_structure hmat; 136 struct acpi_prmt_module_header prmt; 137 struct acpi_cedt_header cedt; 138}; 139 140typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table); 141 142typedef int (*acpi_tbl_entry_handler)(union acpi_subtable_headers *header, 143 const unsigned long end); 144 145typedef int (*acpi_tbl_entry_handler_arg)(union acpi_subtable_headers *header, 146 void *arg, const unsigned long end); 147 148/* Debugger support */ 149 150struct acpi_debugger_ops { 151 int (*create_thread)(acpi_osd_exec_callback function, void *context); 152 ssize_t (*write_log)(const char *msg); 153 ssize_t (*read_cmd)(char *buffer, size_t length); 154 int (*wait_command_ready)(bool single_step, char *buffer, size_t length); 155 int (*notify_command_complete)(void); 156}; 157 158struct acpi_debugger { 159 const struct acpi_debugger_ops *ops; 160 struct module *owner; 161 struct mutex lock; 162}; 163 164#ifdef CONFIG_ACPI_DEBUGGER 165int __init acpi_debugger_init(void); 166int acpi_register_debugger(struct module *owner, 167 const struct acpi_debugger_ops *ops); 168void acpi_unregister_debugger(const struct acpi_debugger_ops *ops); 169int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context); 170ssize_t acpi_debugger_write_log(const char *msg); 171ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length); 172int acpi_debugger_wait_command_ready(void); 173int acpi_debugger_notify_command_complete(void); 174#else 175static inline int acpi_debugger_init(void) 176{ 177 return -ENODEV; 178} 179 180static inline int acpi_register_debugger(struct module *owner, 181 const struct acpi_debugger_ops *ops) 182{ 183 return -ENODEV; 184} 185 186static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops) 187{ 188} 189 190static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function, 191 void *context) 192{ 193 return -ENODEV; 194} 195 196static inline int acpi_debugger_write_log(const char *msg) 197{ 198 return -ENODEV; 199} 200 201static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length) 202{ 203 return -ENODEV; 204} 205 206static inline int acpi_debugger_wait_command_ready(void) 207{ 208 return -ENODEV; 209} 210 211static inline int acpi_debugger_notify_command_complete(void) 212{ 213 return -ENODEV; 214} 215#endif 216 217#define BAD_MADT_ENTRY(entry, end) ( \ 218 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \ 219 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry)) 220 221struct acpi_subtable_proc { 222 int id; 223 acpi_tbl_entry_handler handler; 224 acpi_tbl_entry_handler_arg handler_arg; 225 void *arg; 226 int count; 227}; 228 229void __iomem *__acpi_map_table(unsigned long phys, unsigned long size); 230void __acpi_unmap_table(void __iomem *map, unsigned long size); 231int early_acpi_boot_init(void); 232int acpi_boot_init (void); 233void acpi_boot_table_prepare (void); 234void acpi_boot_table_init (void); 235int acpi_mps_check (void); 236int acpi_numa_init (void); 237 238int acpi_locate_initial_tables (void); 239void acpi_reserve_initial_tables (void); 240void acpi_table_init_complete (void); 241int acpi_table_init (void); 242 243#ifdef CONFIG_ACPI_TABLE_LIB 244#define EXPORT_SYMBOL_ACPI_LIB(x) EXPORT_SYMBOL_NS_GPL(x, ACPI) 245#define __init_or_acpilib 246#define __initdata_or_acpilib 247#else 248#define EXPORT_SYMBOL_ACPI_LIB(x) 249#define __init_or_acpilib __init 250#define __initdata_or_acpilib __initdata 251#endif 252 253int acpi_table_parse(char *id, acpi_tbl_table_handler handler); 254int __init_or_acpilib acpi_table_parse_entries(char *id, 255 unsigned long table_size, int entry_id, 256 acpi_tbl_entry_handler handler, unsigned int max_entries); 257int __init_or_acpilib acpi_table_parse_entries_array(char *id, 258 unsigned long table_size, struct acpi_subtable_proc *proc, 259 int proc_num, unsigned int max_entries); 260int acpi_table_parse_madt(enum acpi_madt_type id, 261 acpi_tbl_entry_handler handler, 262 unsigned int max_entries); 263int __init_or_acpilib 264acpi_table_parse_cedt(enum acpi_cedt_type id, 265 acpi_tbl_entry_handler_arg handler_arg, void *arg); 266 267int acpi_parse_mcfg (struct acpi_table_header *header); 268void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); 269 270/* the following numa functions are architecture-dependent */ 271void acpi_numa_slit_init (struct acpi_table_slit *slit); 272 273#if defined(CONFIG_X86) || defined(CONFIG_IA64) || defined(CONFIG_LOONGARCH) 274void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); 275#else 276static inline void 277acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { } 278#endif 279 280void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); 281 282#if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH) 283void acpi_arch_dma_setup(struct device *dev); 284#else 285static inline void acpi_arch_dma_setup(struct device *dev) { } 286#endif 287 288#ifdef CONFIG_ARM64 289void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa); 290#else 291static inline void 292acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { } 293#endif 294 295int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma); 296 297#ifndef PHYS_CPUID_INVALID 298typedef u32 phys_cpuid_t; 299#define PHYS_CPUID_INVALID (phys_cpuid_t)(-1) 300#endif 301 302static inline bool invalid_logical_cpuid(u32 cpuid) 303{ 304 return (int)cpuid < 0; 305} 306 307static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id) 308{ 309 return phys_id == PHYS_CPUID_INVALID; 310} 311 312/* Validate the processor object's proc_id */ 313bool acpi_duplicate_processor_id(int proc_id); 314/* Processor _CTS control */ 315struct acpi_processor_power; 316 317#ifdef CONFIG_ACPI_PROCESSOR_CSTATE 318bool acpi_processor_claim_cst_control(void); 319int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, 320 struct acpi_processor_power *info); 321#else 322static inline bool acpi_processor_claim_cst_control(void) { return false; } 323static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, 324 struct acpi_processor_power *info) 325{ 326 return -ENODEV; 327} 328#endif 329 330#ifdef CONFIG_ACPI_HOTPLUG_CPU 331/* Arch dependent functions for cpu hotplug support */ 332int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id, 333 int *pcpu); 334int acpi_unmap_cpu(int cpu); 335#endif /* CONFIG_ACPI_HOTPLUG_CPU */ 336 337#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 338int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr); 339#endif 340 341int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); 342int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); 343int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base); 344void acpi_irq_stats_init(void); 345extern u32 acpi_irq_handled; 346extern u32 acpi_irq_not_handled; 347extern unsigned int acpi_sci_irq; 348extern bool acpi_no_s5; 349#define INVALID_ACPI_IRQ ((unsigned)-1) 350static inline bool acpi_sci_irq_valid(void) 351{ 352 return acpi_sci_irq != INVALID_ACPI_IRQ; 353} 354 355extern int sbf_port; 356extern unsigned long acpi_realmode_flags; 357 358int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); 359int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 360int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); 361 362void acpi_set_irq_model(enum acpi_irq_model_id model, 363 struct fwnode_handle *(*)(u32)); 364void acpi_set_gsi_to_irq_fallback(u32 (*)(u32)); 365 366struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags, 367 unsigned int size, 368 struct fwnode_handle *fwnode, 369 const struct irq_domain_ops *ops, 370 void *host_data); 371 372#ifdef CONFIG_X86_IO_APIC 373extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); 374#else 375static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity) 376{ 377 return -1; 378} 379#endif 380/* 381 * This function undoes the effect of one call to acpi_register_gsi(). 382 * If this matches the last registration, any IRQ resources for gsi 383 * are freed. 384 */ 385void acpi_unregister_gsi (u32 gsi); 386 387struct pci_dev; 388 389int acpi_pci_irq_enable (struct pci_dev *dev); 390void acpi_penalize_isa_irq(int irq, int active); 391bool acpi_isa_irq_available(int irq); 392#ifdef CONFIG_PCI 393void acpi_penalize_sci_irq(int irq, int trigger, int polarity); 394#else 395static inline void acpi_penalize_sci_irq(int irq, int trigger, 396 int polarity) 397{ 398} 399#endif 400void acpi_pci_irq_disable (struct pci_dev *dev); 401 402extern int ec_read(u8 addr, u8 *val); 403extern int ec_write(u8 addr, u8 val); 404extern int ec_transaction(u8 command, 405 const u8 *wdata, unsigned wdata_len, 406 u8 *rdata, unsigned rdata_len); 407extern acpi_handle ec_get_handle(void); 408 409extern bool acpi_is_pnp_device(struct acpi_device *); 410 411#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 412 413typedef void (*wmi_notify_handler) (u32 value, void *context); 414 415extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 416 u32 method_id, 417 const struct acpi_buffer *in, 418 struct acpi_buffer *out); 419extern acpi_status wmi_query_block(const char *guid, u8 instance, 420 struct acpi_buffer *out); 421extern acpi_status wmi_set_block(const char *guid, u8 instance, 422 const struct acpi_buffer *in); 423extern acpi_status wmi_install_notify_handler(const char *guid, 424 wmi_notify_handler handler, void *data); 425extern acpi_status wmi_remove_notify_handler(const char *guid); 426extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); 427extern bool wmi_has_guid(const char *guid); 428extern char *wmi_get_acpi_device_uid(const char *guid); 429 430#endif /* CONFIG_ACPI_WMI */ 431 432#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 433#define ACPI_VIDEO_DEVICE_POSTING 0x0002 434#define ACPI_VIDEO_ROM_AVAILABLE 0x0004 435#define ACPI_VIDEO_BACKLIGHT 0x0008 436#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 437#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 438#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 439#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 440#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 441#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 442#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 443#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 444 445extern char acpi_video_backlight_string[]; 446extern long acpi_is_video_device(acpi_handle handle); 447extern int acpi_blacklisted(void); 448extern void acpi_osi_setup(char *str); 449extern bool acpi_osi_is_win8(void); 450 451#ifdef CONFIG_ACPI_NUMA 452int acpi_map_pxm_to_node(int pxm); 453int acpi_get_node(acpi_handle handle); 454 455/** 456 * pxm_to_online_node - Map proximity ID to online node 457 * @pxm: ACPI proximity ID 458 * 459 * This is similar to pxm_to_node(), but always returns an online 460 * node. When the mapped node from a given proximity ID is offline, it 461 * looks up the node distance table and returns the nearest online node. 462 * 463 * ACPI device drivers, which are called after the NUMA initialization has 464 * completed in the kernel, can call this interface to obtain their device 465 * NUMA topology from ACPI tables. Such drivers do not have to deal with 466 * offline nodes. A node may be offline when SRAT memory entry does not exist, 467 * or NUMA is disabled, ex. "numa=off" on x86. 468 */ 469static inline int pxm_to_online_node(int pxm) 470{ 471 int node = pxm_to_node(pxm); 472 473 return numa_map_to_online_node(node); 474} 475#else 476static inline int pxm_to_online_node(int pxm) 477{ 478 return 0; 479} 480static inline int acpi_map_pxm_to_node(int pxm) 481{ 482 return 0; 483} 484static inline int acpi_get_node(acpi_handle handle) 485{ 486 return 0; 487} 488#endif 489extern int acpi_paddr_to_node(u64 start_addr, u64 size); 490 491extern int pnpacpi_disabled; 492 493#define PXM_INVAL (-1) 494 495bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res); 496bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res); 497bool acpi_dev_resource_address_space(struct acpi_resource *ares, 498 struct resource_win *win); 499bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, 500 struct resource_win *win); 501unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, u8 wake_capable); 502unsigned int acpi_dev_get_irq_type(int triggering, int polarity); 503bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, 504 struct resource *res); 505 506void acpi_dev_free_resource_list(struct list_head *list); 507int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, 508 int (*preproc)(struct acpi_resource *, void *), 509 void *preproc_data); 510int acpi_dev_get_dma_resources(struct acpi_device *adev, 511 struct list_head *list); 512int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list); 513int acpi_dev_filter_resource_type(struct acpi_resource *ares, 514 unsigned long types); 515 516static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares, 517 void *arg) 518{ 519 return acpi_dev_filter_resource_type(ares, (unsigned long)arg); 520} 521 522struct acpi_device *acpi_resource_consumer(struct resource *res); 523 524int acpi_check_resource_conflict(const struct resource *res); 525 526int acpi_check_region(resource_size_t start, resource_size_t n, 527 const char *name); 528 529int acpi_resources_are_enforced(void); 530 531#ifdef CONFIG_HIBERNATION 532extern int acpi_check_s4_hw_signature; 533#endif 534 535#ifdef CONFIG_PM_SLEEP 536void __init acpi_old_suspend_ordering(void); 537void __init acpi_nvs_nosave(void); 538void __init acpi_nvs_nosave_s3(void); 539void __init acpi_sleep_no_blacklist(void); 540#endif /* CONFIG_PM_SLEEP */ 541 542int acpi_register_wakeup_handler( 543 int wake_irq, bool (*wakeup)(void *context), void *context); 544void acpi_unregister_wakeup_handler( 545 bool (*wakeup)(void *context), void *context); 546 547struct acpi_osc_context { 548 char *uuid_str; /* UUID string */ 549 int rev; 550 struct acpi_buffer cap; /* list of DWORD capabilities */ 551 struct acpi_buffer ret; /* free by caller if success */ 552}; 553 554acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); 555 556/* Number of _OSC capability DWORDS depends on bridge type */ 557#define OSC_PCI_CAPABILITY_DWORDS 3 558#define OSC_CXL_CAPABILITY_DWORDS 5 559 560/* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */ 561#define OSC_QUERY_DWORD 0 /* DWORD 1 */ 562#define OSC_SUPPORT_DWORD 1 /* DWORD 2 */ 563#define OSC_CONTROL_DWORD 2 /* DWORD 3 */ 564#define OSC_EXT_SUPPORT_DWORD 3 /* DWORD 4 */ 565#define OSC_EXT_CONTROL_DWORD 4 /* DWORD 5 */ 566 567/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */ 568#define OSC_QUERY_ENABLE 0x00000001 /* input */ 569#define OSC_REQUEST_ERROR 0x00000002 /* return */ 570#define OSC_INVALID_UUID_ERROR 0x00000004 /* return */ 571#define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */ 572#define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */ 573 574/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */ 575#define OSC_SB_PAD_SUPPORT 0x00000001 576#define OSC_SB_PPC_OST_SUPPORT 0x00000002 577#define OSC_SB_PR3_SUPPORT 0x00000004 578#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008 579#define OSC_SB_APEI_SUPPORT 0x00000010 580#define OSC_SB_CPC_SUPPORT 0x00000020 581#define OSC_SB_CPCV2_SUPPORT 0x00000040 582#define OSC_SB_PCLPI_SUPPORT 0x00000080 583#define OSC_SB_OSLPI_SUPPORT 0x00000100 584#define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 585#define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00002000 586#define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000 587#define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000 588#define OSC_SB_PRM_SUPPORT 0x00200000 589#define OSC_SB_FFH_OPR_SUPPORT 0x00400000 590 591extern bool osc_sb_apei_support_acked; 592extern bool osc_pc_lpi_support_confirmed; 593extern bool osc_sb_native_usb4_support_confirmed; 594extern bool osc_sb_cppc2_support_acked; 595extern bool osc_cpc_flexible_adr_space_confirmed; 596 597/* USB4 Capabilities */ 598#define OSC_USB_USB3_TUNNELING 0x00000001 599#define OSC_USB_DP_TUNNELING 0x00000002 600#define OSC_USB_PCIE_TUNNELING 0x00000004 601#define OSC_USB_XDOMAIN 0x00000008 602 603extern u32 osc_sb_native_usb4_control; 604 605/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */ 606#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001 607#define OSC_PCI_ASPM_SUPPORT 0x00000002 608#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004 609#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008 610#define OSC_PCI_MSI_SUPPORT 0x00000010 611#define OSC_PCI_EDR_SUPPORT 0x00000080 612#define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100 613 614/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */ 615#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001 616#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002 617#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004 618#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008 619#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010 620#define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020 621#define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080 622 623/* CXL _OSC: Capabilities DWORD 4: Support Field */ 624#define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT 0x00000001 625#define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT 0x00000002 626#define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT 0x00000004 627#define OSC_CXL_NATIVE_HP_SUPPORT 0x00000008 628 629/* CXL _OSC: Capabilities DWORD 5: Control Field */ 630#define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001 631 632static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context) 633{ 634 u32 *ret = context->ret.pointer; 635 636 return ret[OSC_CONTROL_DWORD]; 637} 638 639static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context) 640{ 641 u32 *ret = context->ret.pointer; 642 643 return ret[OSC_EXT_CONTROL_DWORD]; 644} 645 646#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002 647#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004 648#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006 649#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008 650#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A 651#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B 652#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C 653#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D 654#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E 655#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F 656 657/* Enable _OST when all relevant hotplug operations are enabled */ 658#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ 659 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \ 660 defined(CONFIG_ACPI_CONTAINER) 661#define ACPI_HOTPLUG_OST 662#endif 663 664/* _OST Source Event Code (OSPM Action) */ 665#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100 666#define ACPI_OST_EC_OSPM_EJECT 0x103 667#define ACPI_OST_EC_OSPM_INSERTION 0x200 668 669/* _OST General Processing Status Code */ 670#define ACPI_OST_SC_SUCCESS 0x0 671#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1 672#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2 673 674/* _OST OS Shutdown Processing (0x100) Status Code */ 675#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80 676#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81 677#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82 678#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83 679 680/* _OST Ejection Request (0x3, 0x103) Status Code */ 681#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80 682#define ACPI_OST_SC_DEVICE_IN_USE 0x81 683#define ACPI_OST_SC_DEVICE_BUSY 0x82 684#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83 685#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84 686 687/* _OST Insertion Request (0x200) Status Code */ 688#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80 689#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 690#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 691 692enum acpi_predicate { 693 all_versions, 694 less_than_or_equal, 695 equal, 696 greater_than_or_equal, 697}; 698 699/* Table must be terminted by a NULL entry */ 700struct acpi_platform_list { 701 char oem_id[ACPI_OEM_ID_SIZE+1]; 702 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1]; 703 u32 oem_revision; 704 char *table; 705 enum acpi_predicate pred; 706 char *reason; 707 u32 data; 708}; 709int acpi_match_platform_list(const struct acpi_platform_list *plat); 710 711extern void acpi_early_init(void); 712extern void acpi_subsystem_init(void); 713extern void arch_post_acpi_subsys_init(void); 714 715extern int acpi_nvs_register(__u64 start, __u64 size); 716 717extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 718 void *data); 719 720const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, 721 const struct device *dev); 722 723const void *acpi_device_get_match_data(const struct device *dev); 724extern bool acpi_driver_match_device(struct device *dev, 725 const struct device_driver *drv); 726int acpi_device_uevent_modalias(const struct device *, struct kobj_uevent_env *); 727int acpi_device_modalias(struct device *, char *, int); 728 729struct platform_device *acpi_create_platform_device(struct acpi_device *, 730 const struct property_entry *); 731#define ACPI_PTR(_ptr) (_ptr) 732 733static inline void acpi_device_set_enumerated(struct acpi_device *adev) 734{ 735 adev->flags.visited = true; 736} 737 738static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 739{ 740 adev->flags.visited = false; 741} 742 743enum acpi_reconfig_event { 744 ACPI_RECONFIG_DEVICE_ADD = 0, 745 ACPI_RECONFIG_DEVICE_REMOVE, 746}; 747 748int acpi_reconfig_notifier_register(struct notifier_block *nb); 749int acpi_reconfig_notifier_unregister(struct notifier_block *nb); 750 751#ifdef CONFIG_ACPI_GTDT 752int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count); 753int acpi_gtdt_map_ppi(int type); 754bool acpi_gtdt_c3stop(int type); 755int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count); 756#endif 757 758#ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER 759static inline void acpi_arch_set_root_pointer(u64 addr) 760{ 761} 762#endif 763 764#ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER 765static inline u64 acpi_arch_get_root_pointer(void) 766{ 767 return 0; 768} 769#endif 770 771int acpi_get_local_address(acpi_handle handle, u32 *addr); 772const char *acpi_get_subsystem_id(acpi_handle handle); 773 774#else /* !CONFIG_ACPI */ 775 776#define acpi_disabled 1 777 778#define ACPI_COMPANION(dev) (NULL) 779#define ACPI_COMPANION_SET(dev, adev) do { } while (0) 780#define ACPI_HANDLE(dev) (NULL) 781#define ACPI_HANDLE_FWNODE(fwnode) (NULL) 782#define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0), 783 784#include <acpi/acpi_numa.h> 785 786struct fwnode_handle; 787 788static inline bool acpi_dev_found(const char *hid) 789{ 790 return false; 791} 792 793static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv) 794{ 795 return false; 796} 797 798struct acpi_device; 799 800static inline bool 801acpi_dev_hid_uid_match(struct acpi_device *adev, const char *hid2, const char *uid2) 802{ 803 return false; 804} 805 806static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer) 807{ 808 return -ENODEV; 809} 810 811static inline struct acpi_device * 812acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv) 813{ 814 return NULL; 815} 816 817static inline bool acpi_reduced_hardware(void) 818{ 819 return false; 820} 821 822static inline void acpi_dev_put(struct acpi_device *adev) {} 823 824static inline bool is_acpi_node(const struct fwnode_handle *fwnode) 825{ 826 return false; 827} 828 829static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode) 830{ 831 return false; 832} 833 834static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode) 835{ 836 return NULL; 837} 838 839static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode) 840{ 841 return false; 842} 843 844static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode) 845{ 846 return NULL; 847} 848 849static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode, 850 const char *name) 851{ 852 return false; 853} 854 855static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) 856{ 857 return NULL; 858} 859 860static inline bool has_acpi_companion(struct device *dev) 861{ 862 return false; 863} 864 865static inline void acpi_preset_companion(struct device *dev, 866 struct acpi_device *parent, u64 addr) 867{ 868} 869 870static inline const char *acpi_dev_name(struct acpi_device *adev) 871{ 872 return NULL; 873} 874 875static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev) 876{ 877 return NULL; 878} 879 880static inline void acpi_early_init(void) { } 881static inline void acpi_subsystem_init(void) { } 882 883static inline int early_acpi_boot_init(void) 884{ 885 return 0; 886} 887static inline int acpi_boot_init(void) 888{ 889 return 0; 890} 891 892static inline void acpi_boot_table_prepare(void) 893{ 894} 895 896static inline void acpi_boot_table_init(void) 897{ 898} 899 900static inline int acpi_mps_check(void) 901{ 902 return 0; 903} 904 905static inline int acpi_check_resource_conflict(struct resource *res) 906{ 907 return 0; 908} 909 910static inline int acpi_check_region(resource_size_t start, resource_size_t n, 911 const char *name) 912{ 913 return 0; 914} 915 916struct acpi_table_header; 917static inline int acpi_table_parse(char *id, 918 int (*handler)(struct acpi_table_header *)) 919{ 920 return -ENODEV; 921} 922 923static inline int acpi_nvs_register(__u64 start, __u64 size) 924{ 925 return 0; 926} 927 928static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 929 void *data) 930{ 931 return 0; 932} 933 934struct acpi_device_id; 935 936static inline const struct acpi_device_id *acpi_match_device( 937 const struct acpi_device_id *ids, const struct device *dev) 938{ 939 return NULL; 940} 941 942static inline const void *acpi_device_get_match_data(const struct device *dev) 943{ 944 return NULL; 945} 946 947static inline bool acpi_driver_match_device(struct device *dev, 948 const struct device_driver *drv) 949{ 950 return false; 951} 952 953static inline bool acpi_check_dsm(acpi_handle handle, const guid_t *guid, 954 u64 rev, u64 funcs) 955{ 956 return false; 957} 958 959static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle, 960 const guid_t *guid, 961 u64 rev, u64 func, 962 union acpi_object *argv4) 963{ 964 return NULL; 965} 966 967static inline union acpi_object *acpi_evaluate_dsm_typed(acpi_handle handle, 968 const guid_t *guid, 969 u64 rev, u64 func, 970 union acpi_object *argv4, 971 acpi_object_type type) 972{ 973 return NULL; 974} 975 976static inline int acpi_device_uevent_modalias(const struct device *dev, 977 struct kobj_uevent_env *env) 978{ 979 return -ENODEV; 980} 981 982static inline int acpi_device_modalias(struct device *dev, 983 char *buf, int size) 984{ 985 return -ENODEV; 986} 987 988static inline struct platform_device * 989acpi_create_platform_device(struct acpi_device *adev, 990 const struct property_entry *properties) 991{ 992 return NULL; 993} 994 995static inline bool acpi_dma_supported(const struct acpi_device *adev) 996{ 997 return false; 998} 999 1000static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev) 1001{ 1002 return DEV_DMA_NOT_SUPPORTED; 1003} 1004 1005static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map) 1006{ 1007 return -ENODEV; 1008} 1009 1010static inline int acpi_dma_configure(struct device *dev, 1011 enum dev_dma_attr attr) 1012{ 1013 return 0; 1014} 1015 1016static inline int acpi_dma_configure_id(struct device *dev, 1017 enum dev_dma_attr attr, 1018 const u32 *input_id) 1019{ 1020 return 0; 1021} 1022 1023#define ACPI_PTR(_ptr) (NULL) 1024 1025static inline void acpi_device_set_enumerated(struct acpi_device *adev) 1026{ 1027} 1028 1029static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 1030{ 1031} 1032 1033static inline int acpi_reconfig_notifier_register(struct notifier_block *nb) 1034{ 1035 return -EINVAL; 1036} 1037 1038static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb) 1039{ 1040 return -EINVAL; 1041} 1042 1043static inline struct acpi_device *acpi_resource_consumer(struct resource *res) 1044{ 1045 return NULL; 1046} 1047 1048static inline int acpi_get_local_address(acpi_handle handle, u32 *addr) 1049{ 1050 return -ENODEV; 1051} 1052 1053static inline const char *acpi_get_subsystem_id(acpi_handle handle) 1054{ 1055 return ERR_PTR(-ENODEV); 1056} 1057 1058static inline int acpi_register_wakeup_handler(int wake_irq, 1059 bool (*wakeup)(void *context), void *context) 1060{ 1061 return -ENXIO; 1062} 1063 1064static inline void acpi_unregister_wakeup_handler( 1065 bool (*wakeup)(void *context), void *context) { } 1066 1067struct acpi_osc_context; 1068static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context) 1069{ 1070 return 0; 1071} 1072 1073static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context) 1074{ 1075 return 0; 1076} 1077 1078#endif /* !CONFIG_ACPI */ 1079 1080#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 1081int acpi_ioapic_add(acpi_handle root); 1082#else 1083static inline int acpi_ioapic_add(acpi_handle root) { return 0; } 1084#endif 1085 1086#ifdef CONFIG_ACPI 1087void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, 1088 u32 pm1a_ctrl, u32 pm1b_ctrl)); 1089 1090acpi_status acpi_os_prepare_sleep(u8 sleep_state, 1091 u32 pm1a_control, u32 pm1b_control); 1092 1093void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, 1094 u32 val_a, u32 val_b)); 1095 1096acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, 1097 u32 val_a, u32 val_b); 1098#ifdef CONFIG_X86 1099struct acpi_s2idle_dev_ops { 1100 struct list_head list_node; 1101 void (*prepare)(void); 1102 void (*check)(void); 1103 void (*restore)(void); 1104}; 1105int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg); 1106void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg); 1107#endif /* CONFIG_X86 */ 1108#ifndef CONFIG_IA64 1109void arch_reserve_mem_area(acpi_physical_address addr, size_t size); 1110#else 1111static inline void arch_reserve_mem_area(acpi_physical_address addr, 1112 size_t size) 1113{ 1114} 1115#endif /* CONFIG_X86 */ 1116#else 1117#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) 1118#endif 1119 1120#if defined(CONFIG_ACPI) && defined(CONFIG_PM) 1121int acpi_dev_suspend(struct device *dev, bool wakeup); 1122int acpi_dev_resume(struct device *dev); 1123int acpi_subsys_runtime_suspend(struct device *dev); 1124int acpi_subsys_runtime_resume(struct device *dev); 1125int acpi_dev_pm_attach(struct device *dev, bool power_on); 1126bool acpi_storage_d3(struct device *dev); 1127bool acpi_dev_state_d0(struct device *dev); 1128#else 1129static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } 1130static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } 1131static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) 1132{ 1133 return 0; 1134} 1135static inline bool acpi_storage_d3(struct device *dev) 1136{ 1137 return false; 1138} 1139static inline bool acpi_dev_state_d0(struct device *dev) 1140{ 1141 return true; 1142} 1143#endif 1144 1145#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) 1146int acpi_subsys_prepare(struct device *dev); 1147void acpi_subsys_complete(struct device *dev); 1148int acpi_subsys_suspend_late(struct device *dev); 1149int acpi_subsys_suspend_noirq(struct device *dev); 1150int acpi_subsys_suspend(struct device *dev); 1151int acpi_subsys_freeze(struct device *dev); 1152int acpi_subsys_poweroff(struct device *dev); 1153void acpi_ec_mark_gpe_for_wake(void); 1154void acpi_ec_set_gpe_wake_mask(u8 action); 1155int acpi_subsys_restore_early(struct device *dev); 1156#else 1157static inline int acpi_subsys_prepare(struct device *dev) { return 0; } 1158static inline void acpi_subsys_complete(struct device *dev) {} 1159static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } 1160static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; } 1161static inline int acpi_subsys_suspend(struct device *dev) { return 0; } 1162static inline int acpi_subsys_freeze(struct device *dev) { return 0; } 1163static inline int acpi_subsys_poweroff(struct device *dev) { return 0; } 1164static inline int acpi_subsys_restore_early(struct device *dev) { return 0; } 1165static inline void acpi_ec_mark_gpe_for_wake(void) {} 1166static inline void acpi_ec_set_gpe_wake_mask(u8 action) {} 1167#endif 1168 1169#ifdef CONFIG_ACPI 1170__printf(3, 4) 1171void acpi_handle_printk(const char *level, acpi_handle handle, 1172 const char *fmt, ...); 1173void acpi_evaluation_failure_warn(acpi_handle handle, const char *name, 1174 acpi_status status); 1175#else /* !CONFIG_ACPI */ 1176static inline __printf(3, 4) void 1177acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} 1178static inline void acpi_evaluation_failure_warn(acpi_handle handle, 1179 const char *name, 1180 acpi_status status) {} 1181#endif /* !CONFIG_ACPI */ 1182 1183#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) 1184__printf(3, 4) 1185void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); 1186#endif 1187 1188/* 1189 * acpi_handle_<level>: Print message with ACPI prefix and object path 1190 * 1191 * These interfaces acquire the global namespace mutex to obtain an object 1192 * path. In interrupt context, it shows the object path as <n/a>. 1193 */ 1194#define acpi_handle_emerg(handle, fmt, ...) \ 1195 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) 1196#define acpi_handle_alert(handle, fmt, ...) \ 1197 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) 1198#define acpi_handle_crit(handle, fmt, ...) \ 1199 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) 1200#define acpi_handle_err(handle, fmt, ...) \ 1201 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) 1202#define acpi_handle_warn(handle, fmt, ...) \ 1203 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) 1204#define acpi_handle_notice(handle, fmt, ...) \ 1205 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) 1206#define acpi_handle_info(handle, fmt, ...) \ 1207 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) 1208 1209#if defined(DEBUG) 1210#define acpi_handle_debug(handle, fmt, ...) \ 1211 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) 1212#else 1213#if defined(CONFIG_DYNAMIC_DEBUG) 1214#define acpi_handle_debug(handle, fmt, ...) \ 1215 _dynamic_func_call(fmt, __acpi_handle_debug, \ 1216 handle, pr_fmt(fmt), ##__VA_ARGS__) 1217#else 1218#define acpi_handle_debug(handle, fmt, ...) \ 1219({ \ 1220 if (0) \ 1221 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ 1222 0; \ 1223}) 1224#endif 1225#endif 1226 1227#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) 1228bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1229 struct acpi_resource_gpio **agpio); 1230bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1231 struct acpi_resource_gpio **agpio); 1232int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name, int index, 1233 bool *wake_capable); 1234#else 1235static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1236 struct acpi_resource_gpio **agpio) 1237{ 1238 return false; 1239} 1240static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1241 struct acpi_resource_gpio **agpio) 1242{ 1243 return false; 1244} 1245static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name, 1246 int index, bool *wake_capable) 1247{ 1248 return -ENXIO; 1249} 1250#endif 1251 1252static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index, 1253 bool *wake_capable) 1254{ 1255 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable); 1256} 1257 1258static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *name, 1259 int index) 1260{ 1261 return acpi_dev_gpio_irq_wake_get_by(adev, name, index, NULL); 1262} 1263 1264static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) 1265{ 1266 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL); 1267} 1268 1269/* Device properties */ 1270 1271#ifdef CONFIG_ACPI 1272int acpi_dev_get_property(const struct acpi_device *adev, const char *name, 1273 acpi_object_type type, const union acpi_object **obj); 1274int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1275 const char *name, size_t index, size_t num_args, 1276 struct fwnode_reference_args *args); 1277 1278static inline int acpi_node_get_property_reference( 1279 const struct fwnode_handle *fwnode, 1280 const char *name, size_t index, 1281 struct fwnode_reference_args *args) 1282{ 1283 return __acpi_node_get_property_reference(fwnode, name, index, 1284 NR_FWNODE_REFERENCE_ARGS, args); 1285} 1286 1287static inline bool acpi_dev_has_props(const struct acpi_device *adev) 1288{ 1289 return !list_empty(&adev->data.properties); 1290} 1291 1292struct acpi_device_properties * 1293acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid, 1294 union acpi_object *properties); 1295 1296int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname, 1297 void **valptr); 1298 1299struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1300 struct fwnode_handle *child); 1301 1302struct acpi_probe_entry; 1303typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *, 1304 struct acpi_probe_entry *); 1305 1306#define ACPI_TABLE_ID_LEN 5 1307 1308/** 1309 * struct acpi_probe_entry - boot-time probing entry 1310 * @id: ACPI table name 1311 * @type: Optional subtable type to match 1312 * (if @id contains subtables) 1313 * @subtable_valid: Optional callback to check the validity of 1314 * the subtable 1315 * @probe_table: Callback to the driver being probed when table 1316 * match is successful 1317 * @probe_subtbl: Callback to the driver being probed when table and 1318 * subtable match (and optional callback is successful) 1319 * @driver_data: Sideband data provided back to the driver 1320 */ 1321struct acpi_probe_entry { 1322 __u8 id[ACPI_TABLE_ID_LEN]; 1323 __u8 type; 1324 acpi_probe_entry_validate_subtbl subtable_valid; 1325 union { 1326 acpi_tbl_table_handler probe_table; 1327 acpi_tbl_entry_handler probe_subtbl; 1328 }; 1329 kernel_ulong_t driver_data; 1330}; 1331 1332#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \ 1333 valid, data, fn) \ 1334 static const struct acpi_probe_entry __acpi_probe_##name \ 1335 __used __section("__" #table "_acpi_probe_table") = { \ 1336 .id = table_id, \ 1337 .type = subtable, \ 1338 .subtable_valid = valid, \ 1339 .probe_table = fn, \ 1340 .driver_data = data, \ 1341 } 1342 1343#define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \ 1344 subtable, valid, data, fn) \ 1345 static const struct acpi_probe_entry __acpi_probe_##name \ 1346 __used __section("__" #table "_acpi_probe_table") = { \ 1347 .id = table_id, \ 1348 .type = subtable, \ 1349 .subtable_valid = valid, \ 1350 .probe_subtbl = fn, \ 1351 .driver_data = data, \ 1352 } 1353 1354#define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table 1355#define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end 1356 1357int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr); 1358 1359#define acpi_probe_device_table(t) \ 1360 ({ \ 1361 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \ 1362 ACPI_PROBE_TABLE_END(t); \ 1363 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \ 1364 (&ACPI_PROBE_TABLE_END(t) - \ 1365 &ACPI_PROBE_TABLE(t))); \ 1366 }) 1367#else 1368static inline int acpi_dev_get_property(struct acpi_device *adev, 1369 const char *name, acpi_object_type type, 1370 const union acpi_object **obj) 1371{ 1372 return -ENXIO; 1373} 1374 1375static inline int 1376__acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1377 const char *name, size_t index, size_t num_args, 1378 struct fwnode_reference_args *args) 1379{ 1380 return -ENXIO; 1381} 1382 1383static inline int 1384acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1385 const char *name, size_t index, 1386 struct fwnode_reference_args *args) 1387{ 1388 return -ENXIO; 1389} 1390 1391static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode, 1392 const char *propname, 1393 void **valptr) 1394{ 1395 return -ENXIO; 1396} 1397 1398static inline struct fwnode_handle * 1399acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1400 struct fwnode_handle *child) 1401{ 1402 return NULL; 1403} 1404 1405static inline struct fwnode_handle * 1406acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode, 1407 struct fwnode_handle *prev) 1408{ 1409 return ERR_PTR(-ENXIO); 1410} 1411 1412static inline int 1413acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode, 1414 struct fwnode_handle **remote, 1415 struct fwnode_handle **port, 1416 struct fwnode_handle **endpoint) 1417{ 1418 return -ENXIO; 1419} 1420 1421#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ 1422 static const void * __acpi_table_##name[] \ 1423 __attribute__((unused)) \ 1424 = { (void *) table_id, \ 1425 (void *) subtable, \ 1426 (void *) valid, \ 1427 (void *) fn, \ 1428 (void *) data } 1429 1430#define acpi_probe_device_table(t) ({ int __r = 0; __r;}) 1431#endif 1432 1433#ifdef CONFIG_ACPI_TABLE_UPGRADE 1434void acpi_table_upgrade(void); 1435#else 1436static inline void acpi_table_upgrade(void) { } 1437#endif 1438 1439#if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG) 1440extern bool acpi_has_watchdog(void); 1441#else 1442static inline bool acpi_has_watchdog(void) { return false; } 1443#endif 1444 1445#ifdef CONFIG_ACPI_SPCR_TABLE 1446extern bool qdf2400_e44_present; 1447int acpi_parse_spcr(bool enable_earlycon, bool enable_console); 1448#else 1449static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console) 1450{ 1451 return 0; 1452} 1453#endif 1454 1455#if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI) 1456int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res); 1457#else 1458static inline 1459int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res) 1460{ 1461 return -EINVAL; 1462} 1463#endif 1464 1465#ifdef CONFIG_ACPI_LPIT 1466int lpit_read_residency_count_address(u64 *address); 1467#else 1468static inline int lpit_read_residency_count_address(u64 *address) 1469{ 1470 return -EINVAL; 1471} 1472#endif 1473 1474#ifdef CONFIG_ACPI_PPTT 1475int acpi_pptt_cpu_is_thread(unsigned int cpu); 1476int find_acpi_cpu_topology(unsigned int cpu, int level); 1477int find_acpi_cpu_topology_cluster(unsigned int cpu); 1478int find_acpi_cpu_topology_package(unsigned int cpu); 1479int find_acpi_cpu_topology_hetero_id(unsigned int cpu); 1480#else 1481static inline int acpi_pptt_cpu_is_thread(unsigned int cpu) 1482{ 1483 return -EINVAL; 1484} 1485static inline int find_acpi_cpu_topology(unsigned int cpu, int level) 1486{ 1487 return -EINVAL; 1488} 1489static inline int find_acpi_cpu_topology_cluster(unsigned int cpu) 1490{ 1491 return -EINVAL; 1492} 1493static inline int find_acpi_cpu_topology_package(unsigned int cpu) 1494{ 1495 return -EINVAL; 1496} 1497static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu) 1498{ 1499 return -EINVAL; 1500} 1501#endif 1502 1503#ifdef CONFIG_ACPI_PCC 1504void acpi_init_pcc(void); 1505#else 1506static inline void acpi_init_pcc(void) { } 1507#endif 1508 1509#ifdef CONFIG_ACPI_FFH 1510void acpi_init_ffh(void); 1511extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt, 1512 void **region_ctxt); 1513extern int acpi_ffh_address_space_arch_handler(acpi_integer *value, 1514 void *region_context); 1515#else 1516static inline void acpi_init_ffh(void) { } 1517#endif 1518 1519#ifdef CONFIG_ACPI 1520extern void acpi_device_notify(struct device *dev); 1521extern void acpi_device_notify_remove(struct device *dev); 1522#else 1523static inline void acpi_device_notify(struct device *dev) { } 1524static inline void acpi_device_notify_remove(struct device *dev) { } 1525#endif 1526 1527#endif /*_LINUX_ACPI_H*/