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 20 struct irq_domain; 21 struct irq_domain_ops; 22 23 #ifndef _LINUX 24 #define _LINUX 25 #endif 26 #include <acpi/acpi.h> 27 #include <acpi/acpi_numa.h> 28 29 #ifdef CONFIG_ACPI 30 31 #include <linux/list.h> 32 #include <linux/dynamic_debug.h> 33 #include <linux/module.h> 34 #include <linux/mutex.h> 35 #include <linux/fw_table.h> 36 37 #include <acpi/acpi_bus.h> 38 #include <acpi/acpi_drivers.h> 39 #include <acpi/acpi_io.h> 40 #include <asm/acpi.h> 41 42 #ifdef CONFIG_ACPI_TABLE_LIB 43 #define EXPORT_SYMBOL_ACPI_LIB(x) EXPORT_SYMBOL_NS_GPL(x, ACPI) 44 #define __init_or_acpilib 45 #define __initdata_or_acpilib 46 #else 47 #define EXPORT_SYMBOL_ACPI_LIB(x) 48 #define __init_or_acpilib __init 49 #define __initdata_or_acpilib __initdata 50 #endif 51 52 static 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 64 static 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 77 static 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 85 static inline bool has_acpi_companion(struct device *dev) 86 { 87 return is_acpi_device_node(dev->fwnode); 88 } 89 90 static 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 96 static inline const char *acpi_dev_name(struct acpi_device *adev) 97 { 98 return dev_name(&adev->dev); 99 } 100 101 struct device *acpi_get_first_physical_node(struct acpi_device *adev); 102 103 enum acpi_irq_model_id { 104 ACPI_IRQ_MODEL_PIC = 0, 105 ACPI_IRQ_MODEL_IOAPIC, 106 ACPI_IRQ_MODEL_IOSAPIC, 107 ACPI_IRQ_MODEL_PLATFORM, 108 ACPI_IRQ_MODEL_GIC, 109 ACPI_IRQ_MODEL_LPIC, 110 ACPI_IRQ_MODEL_RINTC, 111 ACPI_IRQ_MODEL_COUNT 112 }; 113 114 extern enum acpi_irq_model_id acpi_irq_model; 115 116 enum acpi_interrupt_id { 117 ACPI_INTERRUPT_PMI = 1, 118 ACPI_INTERRUPT_INIT, 119 ACPI_INTERRUPT_CPEI, 120 ACPI_INTERRUPT_COUNT 121 }; 122 123 #define ACPI_SPACE_MEM 0 124 125 enum acpi_address_range_id { 126 ACPI_ADDRESS_RANGE_MEMORY = 1, 127 ACPI_ADDRESS_RANGE_RESERVED = 2, 128 ACPI_ADDRESS_RANGE_ACPI = 3, 129 ACPI_ADDRESS_RANGE_NVS = 4, 130 ACPI_ADDRESS_RANGE_COUNT 131 }; 132 133 134 /* Table Handlers */ 135 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table); 136 137 /* Debugger support */ 138 139 struct acpi_debugger_ops { 140 int (*create_thread)(acpi_osd_exec_callback function, void *context); 141 ssize_t (*write_log)(const char *msg); 142 ssize_t (*read_cmd)(char *buffer, size_t length); 143 int (*wait_command_ready)(bool single_step, char *buffer, size_t length); 144 int (*notify_command_complete)(void); 145 }; 146 147 struct acpi_debugger { 148 const struct acpi_debugger_ops *ops; 149 struct module *owner; 150 struct mutex lock; 151 }; 152 153 #ifdef CONFIG_ACPI_DEBUGGER 154 int __init acpi_debugger_init(void); 155 int acpi_register_debugger(struct module *owner, 156 const struct acpi_debugger_ops *ops); 157 void acpi_unregister_debugger(const struct acpi_debugger_ops *ops); 158 int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context); 159 ssize_t acpi_debugger_write_log(const char *msg); 160 ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length); 161 int acpi_debugger_wait_command_ready(void); 162 int acpi_debugger_notify_command_complete(void); 163 #else 164 static inline int acpi_debugger_init(void) 165 { 166 return -ENODEV; 167 } 168 169 static inline int acpi_register_debugger(struct module *owner, 170 const struct acpi_debugger_ops *ops) 171 { 172 return -ENODEV; 173 } 174 175 static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops) 176 { 177 } 178 179 static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function, 180 void *context) 181 { 182 return -ENODEV; 183 } 184 185 static inline int acpi_debugger_write_log(const char *msg) 186 { 187 return -ENODEV; 188 } 189 190 static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length) 191 { 192 return -ENODEV; 193 } 194 195 static inline int acpi_debugger_wait_command_ready(void) 196 { 197 return -ENODEV; 198 } 199 200 static inline int acpi_debugger_notify_command_complete(void) 201 { 202 return -ENODEV; 203 } 204 #endif 205 206 #define BAD_MADT_ENTRY(entry, end) ( \ 207 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \ 208 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry)) 209 210 void __iomem *__acpi_map_table(unsigned long phys, unsigned long size); 211 void __acpi_unmap_table(void __iomem *map, unsigned long size); 212 int early_acpi_boot_init(void); 213 int acpi_boot_init (void); 214 void acpi_boot_table_prepare (void); 215 void acpi_boot_table_init (void); 216 int acpi_mps_check (void); 217 int acpi_numa_init (void); 218 219 int acpi_locate_initial_tables (void); 220 void acpi_reserve_initial_tables (void); 221 void acpi_table_init_complete (void); 222 int acpi_table_init (void); 223 224 int acpi_table_parse(char *id, acpi_tbl_table_handler handler); 225 int __init_or_acpilib acpi_table_parse_entries(char *id, 226 unsigned long table_size, int entry_id, 227 acpi_tbl_entry_handler handler, unsigned int max_entries); 228 int __init_or_acpilib acpi_table_parse_entries_array(char *id, 229 unsigned long table_size, struct acpi_subtable_proc *proc, 230 int proc_num, unsigned int max_entries); 231 int acpi_table_parse_madt(enum acpi_madt_type id, 232 acpi_tbl_entry_handler handler, 233 unsigned int max_entries); 234 int __init_or_acpilib 235 acpi_table_parse_cedt(enum acpi_cedt_type id, 236 acpi_tbl_entry_handler_arg handler_arg, void *arg); 237 238 int acpi_parse_mcfg (struct acpi_table_header *header); 239 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); 240 241 #if defined(CONFIG_X86) || defined(CONFIG_LOONGARCH) 242 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); 243 #else 244 static inline void 245 acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { } 246 #endif 247 248 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); 249 250 #if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH) 251 void acpi_arch_dma_setup(struct device *dev); 252 #else 253 static inline void acpi_arch_dma_setup(struct device *dev) { } 254 #endif 255 256 #ifdef CONFIG_ARM64 257 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa); 258 #else 259 static inline void 260 acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { } 261 #endif 262 263 #ifdef CONFIG_RISCV 264 void acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity *pa); 265 #else 266 static inline void acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity *pa) { } 267 #endif 268 269 #ifndef PHYS_CPUID_INVALID 270 typedef u32 phys_cpuid_t; 271 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1) 272 #endif 273 274 static inline bool invalid_logical_cpuid(u32 cpuid) 275 { 276 return (int)cpuid < 0; 277 } 278 279 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id) 280 { 281 return phys_id == PHYS_CPUID_INVALID; 282 } 283 284 285 int __init acpi_get_madt_revision(void); 286 287 /* Validate the processor object's proc_id */ 288 bool acpi_duplicate_processor_id(int proc_id); 289 /* Processor _CTS control */ 290 struct acpi_processor_power; 291 292 #ifdef CONFIG_ACPI_PROCESSOR_CSTATE 293 bool acpi_processor_claim_cst_control(void); 294 int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, 295 struct acpi_processor_power *info); 296 #else 297 static inline bool acpi_processor_claim_cst_control(void) { return false; } 298 static 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 */ 307 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id, 308 int *pcpu); 309 int acpi_unmap_cpu(int cpu); 310 #endif /* CONFIG_ACPI_HOTPLUG_CPU */ 311 312 acpi_handle acpi_get_processor_handle(int cpu); 313 314 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 315 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr); 316 #endif 317 318 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); 319 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); 320 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base); 321 void acpi_irq_stats_init(void); 322 extern u32 acpi_irq_handled; 323 extern u32 acpi_irq_not_handled; 324 extern unsigned int acpi_sci_irq; 325 extern bool acpi_no_s5; 326 #define INVALID_ACPI_IRQ ((unsigned)-1) 327 static inline bool acpi_sci_irq_valid(void) 328 { 329 return acpi_sci_irq != INVALID_ACPI_IRQ; 330 } 331 332 extern int sbf_port; 333 extern unsigned long acpi_realmode_flags; 334 335 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); 336 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 337 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); 338 339 void acpi_set_irq_model(enum acpi_irq_model_id model, 340 struct fwnode_handle *(*)(u32)); 341 void acpi_set_gsi_to_irq_fallback(u32 (*)(u32)); 342 343 struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags, 344 unsigned int size, 345 struct fwnode_handle *fwnode, 346 const struct irq_domain_ops *ops, 347 void *host_data); 348 349 #ifdef CONFIG_X86_IO_APIC 350 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); 351 #else 352 static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity) 353 { 354 return -1; 355 } 356 #endif 357 /* 358 * This function undoes the effect of one call to acpi_register_gsi(). 359 * If this matches the last registration, any IRQ resources for gsi 360 * are freed. 361 */ 362 void acpi_unregister_gsi (u32 gsi); 363 364 struct pci_dev; 365 366 int acpi_pci_irq_enable (struct pci_dev *dev); 367 void acpi_penalize_isa_irq(int irq, int active); 368 bool acpi_isa_irq_available(int irq); 369 #ifdef CONFIG_PCI 370 void acpi_penalize_sci_irq(int irq, int trigger, int polarity); 371 #else 372 static inline void acpi_penalize_sci_irq(int irq, int trigger, 373 int polarity) 374 { 375 } 376 #endif 377 void acpi_pci_irq_disable (struct pci_dev *dev); 378 379 extern int ec_read(u8 addr, u8 *val); 380 extern int ec_write(u8 addr, u8 val); 381 extern int ec_transaction(u8 command, 382 const u8 *wdata, unsigned wdata_len, 383 u8 *rdata, unsigned rdata_len); 384 extern acpi_handle ec_get_handle(void); 385 386 extern bool acpi_is_pnp_device(struct acpi_device *); 387 388 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 389 390 typedef void (*wmi_notify_handler) (union acpi_object *data, void *context); 391 392 int wmi_instance_count(const char *guid); 393 394 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 395 u32 method_id, 396 const struct acpi_buffer *in, 397 struct acpi_buffer *out); 398 extern acpi_status wmi_query_block(const char *guid, u8 instance, 399 struct acpi_buffer *out); 400 extern acpi_status wmi_set_block(const char *guid, u8 instance, 401 const struct acpi_buffer *in); 402 extern acpi_status wmi_install_notify_handler(const char *guid, 403 wmi_notify_handler handler, void *data); 404 extern acpi_status wmi_remove_notify_handler(const char *guid); 405 extern bool wmi_has_guid(const char *guid); 406 extern char *wmi_get_acpi_device_uid(const char *guid); 407 408 #endif /* CONFIG_ACPI_WMI */ 409 410 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 411 #define ACPI_VIDEO_DEVICE_POSTING 0x0002 412 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004 413 #define ACPI_VIDEO_BACKLIGHT 0x0008 414 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 415 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 416 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 417 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 418 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 419 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 420 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 421 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 422 423 extern char acpi_video_backlight_string[]; 424 extern long acpi_is_video_device(acpi_handle handle); 425 426 extern void acpi_osi_setup(char *str); 427 extern bool acpi_osi_is_win8(void); 428 429 #ifdef CONFIG_ACPI_THERMAL_LIB 430 int thermal_acpi_active_trip_temp(struct acpi_device *adev, int id, int *ret_temp); 431 int thermal_acpi_passive_trip_temp(struct acpi_device *adev, int *ret_temp); 432 int thermal_acpi_hot_trip_temp(struct acpi_device *adev, int *ret_temp); 433 int thermal_acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp); 434 #endif 435 436 #ifdef CONFIG_ACPI_HMAT 437 int acpi_get_genport_coordinates(u32 uid, struct access_coordinate *coord); 438 #else 439 static inline int acpi_get_genport_coordinates(u32 uid, 440 struct access_coordinate *coord) 441 { 442 return -EOPNOTSUPP; 443 } 444 #endif 445 446 #ifdef CONFIG_ACPI_NUMA 447 int acpi_map_pxm_to_node(int pxm); 448 int acpi_get_node(acpi_handle handle); 449 450 /** 451 * pxm_to_online_node - Map proximity ID to online node 452 * @pxm: ACPI proximity ID 453 * 454 * This is similar to pxm_to_node(), but always returns an online 455 * node. When the mapped node from a given proximity ID is offline, it 456 * looks up the node distance table and returns the nearest online node. 457 * 458 * ACPI device drivers, which are called after the NUMA initialization has 459 * completed in the kernel, can call this interface to obtain their device 460 * NUMA topology from ACPI tables. Such drivers do not have to deal with 461 * offline nodes. A node may be offline when SRAT memory entry does not exist, 462 * or NUMA is disabled, ex. "numa=off" on x86. 463 */ 464 static inline int pxm_to_online_node(int pxm) 465 { 466 int node = pxm_to_node(pxm); 467 468 return numa_map_to_online_node(node); 469 } 470 #else 471 static inline int pxm_to_online_node(int pxm) 472 { 473 return 0; 474 } 475 static inline int acpi_map_pxm_to_node(int pxm) 476 { 477 return 0; 478 } 479 static inline int acpi_get_node(acpi_handle handle) 480 { 481 return 0; 482 } 483 #endif 484 extern int pnpacpi_disabled; 485 486 #define PXM_INVAL (-1) 487 488 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res); 489 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res); 490 bool acpi_dev_resource_address_space(struct acpi_resource *ares, 491 struct resource_win *win); 492 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, 493 struct resource_win *win); 494 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, u8 wake_capable); 495 unsigned int acpi_dev_get_irq_type(int triggering, int polarity); 496 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, 497 struct resource *res); 498 499 void acpi_dev_free_resource_list(struct list_head *list); 500 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, 501 int (*preproc)(struct acpi_resource *, void *), 502 void *preproc_data); 503 int acpi_dev_get_dma_resources(struct acpi_device *adev, 504 struct list_head *list); 505 int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list); 506 int acpi_dev_filter_resource_type(struct acpi_resource *ares, 507 unsigned long types); 508 509 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares, 510 void *arg) 511 { 512 return acpi_dev_filter_resource_type(ares, (unsigned long)arg); 513 } 514 515 struct acpi_device *acpi_resource_consumer(struct resource *res); 516 517 int acpi_check_resource_conflict(const struct resource *res); 518 519 int acpi_check_region(resource_size_t start, resource_size_t n, 520 const char *name); 521 522 int acpi_resources_are_enforced(void); 523 524 #ifdef CONFIG_HIBERNATION 525 extern int acpi_check_s4_hw_signature; 526 #endif 527 528 #ifdef CONFIG_PM_SLEEP 529 void __init acpi_old_suspend_ordering(void); 530 void __init acpi_nvs_nosave(void); 531 void __init acpi_nvs_nosave_s3(void); 532 void __init acpi_sleep_no_blacklist(void); 533 #endif /* CONFIG_PM_SLEEP */ 534 535 int acpi_register_wakeup_handler( 536 int wake_irq, bool (*wakeup)(void *context), void *context); 537 void acpi_unregister_wakeup_handler( 538 bool (*wakeup)(void *context), void *context); 539 540 struct acpi_osc_context { 541 char *uuid_str; /* UUID string */ 542 int rev; 543 struct acpi_buffer cap; /* list of DWORD capabilities */ 544 struct acpi_buffer ret; /* free by caller if success */ 545 }; 546 547 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); 548 549 /* Number of _OSC capability DWORDS depends on bridge type */ 550 #define OSC_PCI_CAPABILITY_DWORDS 3 551 #define OSC_CXL_CAPABILITY_DWORDS 5 552 553 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */ 554 #define OSC_QUERY_DWORD 0 /* DWORD 1 */ 555 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */ 556 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */ 557 #define OSC_EXT_SUPPORT_DWORD 3 /* DWORD 4 */ 558 #define OSC_EXT_CONTROL_DWORD 4 /* DWORD 5 */ 559 560 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */ 561 #define OSC_QUERY_ENABLE 0x00000001 /* input */ 562 #define OSC_REQUEST_ERROR 0x00000002 /* return */ 563 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */ 564 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */ 565 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */ 566 567 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */ 568 #define OSC_SB_PAD_SUPPORT 0x00000001 569 #define OSC_SB_PPC_OST_SUPPORT 0x00000002 570 #define OSC_SB_PR3_SUPPORT 0x00000004 571 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008 572 #define OSC_SB_APEI_SUPPORT 0x00000010 573 #define OSC_SB_CPC_SUPPORT 0x00000020 574 #define OSC_SB_CPCV2_SUPPORT 0x00000040 575 #define OSC_SB_PCLPI_SUPPORT 0x00000080 576 #define OSC_SB_OSLPI_SUPPORT 0x00000100 577 #define OSC_SB_FAST_THERMAL_SAMPLING_SUPPORT 0x00000200 578 #define OSC_SB_OVER_16_PSTATES_SUPPORT 0x00000400 579 #define OSC_SB_GED_SUPPORT 0x00000800 580 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 581 #define OSC_SB_IRQ_RESOURCE_SOURCE_SUPPORT 0x00002000 582 #define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000 583 #define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00020000 584 #define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000 585 #define OSC_SB_BATTERY_CHARGE_LIMITING_SUPPORT 0x00080000 586 #define OSC_SB_PRM_SUPPORT 0x00200000 587 #define OSC_SB_FFH_OPR_SUPPORT 0x00400000 588 589 extern bool osc_sb_apei_support_acked; 590 extern bool osc_pc_lpi_support_confirmed; 591 extern bool osc_sb_native_usb4_support_confirmed; 592 extern bool osc_sb_cppc2_support_acked; 593 extern bool osc_cpc_flexible_adr_space_confirmed; 594 595 /* USB4 Capabilities */ 596 #define OSC_USB_USB3_TUNNELING 0x00000001 597 #define OSC_USB_DP_TUNNELING 0x00000002 598 #define OSC_USB_PCIE_TUNNELING 0x00000004 599 #define OSC_USB_XDOMAIN 0x00000008 600 601 extern u32 osc_sb_native_usb4_control; 602 603 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */ 604 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001 605 #define OSC_PCI_ASPM_SUPPORT 0x00000002 606 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004 607 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008 608 #define OSC_PCI_MSI_SUPPORT 0x00000010 609 #define OSC_PCI_EDR_SUPPORT 0x00000080 610 #define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100 611 612 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */ 613 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001 614 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002 615 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004 616 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008 617 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010 618 #define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020 619 #define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080 620 621 /* CXL _OSC: Capabilities DWORD 4: Support Field */ 622 #define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT 0x00000001 623 #define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT 0x00000002 624 #define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT 0x00000004 625 #define OSC_CXL_NATIVE_HP_SUPPORT 0x00000008 626 627 /* CXL _OSC: Capabilities DWORD 5: Control Field */ 628 #define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001 629 630 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context) 631 { 632 u32 *ret = context->ret.pointer; 633 634 return ret[OSC_CONTROL_DWORD]; 635 } 636 637 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context) 638 { 639 u32 *ret = context->ret.pointer; 640 641 return ret[OSC_EXT_CONTROL_DWORD]; 642 } 643 644 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002 645 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004 646 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006 647 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008 648 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A 649 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B 650 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C 651 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D 652 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E 653 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F 654 655 /* Enable _OST when all relevant hotplug operations are enabled */ 656 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ 657 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \ 658 defined(CONFIG_ACPI_CONTAINER) 659 #define ACPI_HOTPLUG_OST 660 #endif 661 662 /* _OST Source Event Code (OSPM Action) */ 663 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100 664 #define ACPI_OST_EC_OSPM_EJECT 0x103 665 #define ACPI_OST_EC_OSPM_INSERTION 0x200 666 667 /* _OST General Processing Status Code */ 668 #define ACPI_OST_SC_SUCCESS 0x0 669 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1 670 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2 671 672 /* _OST OS Shutdown Processing (0x100) Status Code */ 673 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80 674 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81 675 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82 676 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83 677 678 /* _OST Ejection Request (0x3, 0x103) Status Code */ 679 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80 680 #define ACPI_OST_SC_DEVICE_IN_USE 0x81 681 #define ACPI_OST_SC_DEVICE_BUSY 0x82 682 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83 683 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84 684 685 /* _OST Insertion Request (0x200) Status Code */ 686 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80 687 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 688 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 689 690 enum acpi_predicate { 691 all_versions, 692 less_than_or_equal, 693 equal, 694 greater_than_or_equal, 695 }; 696 697 /* Table must be terminted by a NULL entry */ 698 struct acpi_platform_list { 699 char oem_id[ACPI_OEM_ID_SIZE+1]; 700 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1]; 701 u32 oem_revision; 702 char *table; 703 enum acpi_predicate pred; 704 char *reason; 705 u32 data; 706 }; 707 int acpi_match_platform_list(const struct acpi_platform_list *plat); 708 709 extern void acpi_early_init(void); 710 extern void acpi_subsystem_init(void); 711 712 extern int acpi_nvs_register(__u64 start, __u64 size); 713 714 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 715 void *data); 716 717 const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids, 718 const struct acpi_device *adev); 719 720 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, 721 const struct device *dev); 722 723 const void *acpi_device_get_match_data(const struct device *dev); 724 extern bool acpi_driver_match_device(struct device *dev, 725 const struct device_driver *drv); 726 int acpi_device_uevent_modalias(const struct device *, struct kobj_uevent_env *); 727 int acpi_device_modalias(struct device *, char *, int); 728 729 struct platform_device *acpi_create_platform_device(struct acpi_device *, 730 const struct property_entry *); 731 #define ACPI_PTR(_ptr) (_ptr) 732 733 static inline void acpi_device_set_enumerated(struct acpi_device *adev) 734 { 735 adev->flags.visited = true; 736 } 737 738 static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 739 { 740 adev->flags.visited = false; 741 } 742 743 enum acpi_reconfig_event { 744 ACPI_RECONFIG_DEVICE_ADD = 0, 745 ACPI_RECONFIG_DEVICE_REMOVE, 746 }; 747 748 int acpi_reconfig_notifier_register(struct notifier_block *nb); 749 int acpi_reconfig_notifier_unregister(struct notifier_block *nb); 750 751 #ifdef CONFIG_ACPI_GTDT 752 int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count); 753 int acpi_gtdt_map_ppi(int type); 754 bool acpi_gtdt_c3stop(int type); 755 int 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 759 static inline void acpi_arch_set_root_pointer(u64 addr) 760 { 761 } 762 #endif 763 764 #ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER 765 static inline u64 acpi_arch_get_root_pointer(void) 766 { 767 return 0; 768 } 769 #endif 770 771 int acpi_get_local_u64_address(acpi_handle handle, u64 *addr); 772 int acpi_get_local_address(acpi_handle handle, u32 *addr); 773 const char *acpi_get_subsystem_id(acpi_handle handle); 774 775 #else /* !CONFIG_ACPI */ 776 777 #define acpi_disabled 1 778 779 #define ACPI_COMPANION(dev) (NULL) 780 #define ACPI_COMPANION_SET(dev, adev) do { } while (0) 781 #define ACPI_HANDLE(dev) (NULL) 782 #define ACPI_HANDLE_FWNODE(fwnode) (NULL) 783 784 /* Get rid of the -Wunused-variable for adev */ 785 #define acpi_dev_uid_match(adev, uid2) (adev && false) 786 #define acpi_dev_hid_uid_match(adev, hid2, uid2) (adev && false) 787 788 struct fwnode_handle; 789 790 static inline bool acpi_dev_found(const char *hid) 791 { 792 return false; 793 } 794 795 static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv) 796 { 797 return false; 798 } 799 800 struct acpi_device; 801 802 static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer) 803 { 804 return -ENODEV; 805 } 806 807 static inline struct acpi_device * 808 acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv) 809 { 810 return NULL; 811 } 812 813 static inline bool acpi_reduced_hardware(void) 814 { 815 return false; 816 } 817 818 static inline void acpi_dev_put(struct acpi_device *adev) {} 819 820 static inline bool is_acpi_node(const struct fwnode_handle *fwnode) 821 { 822 return false; 823 } 824 825 static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode) 826 { 827 return false; 828 } 829 830 static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode) 831 { 832 return NULL; 833 } 834 835 static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode) 836 { 837 return false; 838 } 839 840 static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode) 841 { 842 return NULL; 843 } 844 845 static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode, 846 const char *name) 847 { 848 return false; 849 } 850 851 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) 852 { 853 return NULL; 854 } 855 856 static inline bool has_acpi_companion(struct device *dev) 857 { 858 return false; 859 } 860 861 static inline void acpi_preset_companion(struct device *dev, 862 struct acpi_device *parent, u64 addr) 863 { 864 } 865 866 static inline const char *acpi_dev_name(struct acpi_device *adev) 867 { 868 return NULL; 869 } 870 871 static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev) 872 { 873 return NULL; 874 } 875 876 static inline void acpi_early_init(void) { } 877 static inline void acpi_subsystem_init(void) { } 878 879 static inline int early_acpi_boot_init(void) 880 { 881 return 0; 882 } 883 static inline int acpi_boot_init(void) 884 { 885 return 0; 886 } 887 888 static inline void acpi_boot_table_prepare(void) 889 { 890 } 891 892 static inline void acpi_boot_table_init(void) 893 { 894 } 895 896 static inline int acpi_mps_check(void) 897 { 898 return 0; 899 } 900 901 static inline int acpi_check_resource_conflict(struct resource *res) 902 { 903 return 0; 904 } 905 906 static inline int acpi_check_region(resource_size_t start, resource_size_t n, 907 const char *name) 908 { 909 return 0; 910 } 911 912 struct acpi_table_header; 913 static inline int acpi_table_parse(char *id, 914 int (*handler)(struct acpi_table_header *)) 915 { 916 return -ENODEV; 917 } 918 919 static inline int acpi_nvs_register(__u64 start, __u64 size) 920 { 921 return 0; 922 } 923 924 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 925 void *data) 926 { 927 return 0; 928 } 929 930 struct acpi_device_id; 931 932 static inline const struct acpi_device_id *acpi_match_acpi_device( 933 const struct acpi_device_id *ids, const struct acpi_device *adev) 934 { 935 return NULL; 936 } 937 938 static inline const struct acpi_device_id *acpi_match_device( 939 const struct acpi_device_id *ids, const struct device *dev) 940 { 941 return NULL; 942 } 943 944 static inline const void *acpi_device_get_match_data(const struct device *dev) 945 { 946 return NULL; 947 } 948 949 static inline bool acpi_driver_match_device(struct device *dev, 950 const struct device_driver *drv) 951 { 952 return false; 953 } 954 955 static inline bool acpi_check_dsm(acpi_handle handle, const guid_t *guid, 956 u64 rev, u64 funcs) 957 { 958 return false; 959 } 960 961 static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle, 962 const guid_t *guid, 963 u64 rev, u64 func, 964 union acpi_object *argv4) 965 { 966 return NULL; 967 } 968 969 static inline union acpi_object *acpi_evaluate_dsm_typed(acpi_handle handle, 970 const guid_t *guid, 971 u64 rev, u64 func, 972 union acpi_object *argv4, 973 acpi_object_type type) 974 { 975 return NULL; 976 } 977 978 static inline int acpi_device_uevent_modalias(const struct device *dev, 979 struct kobj_uevent_env *env) 980 { 981 return -ENODEV; 982 } 983 984 static inline int acpi_device_modalias(struct device *dev, 985 char *buf, int size) 986 { 987 return -ENODEV; 988 } 989 990 static inline struct platform_device * 991 acpi_create_platform_device(struct acpi_device *adev, 992 const struct property_entry *properties) 993 { 994 return NULL; 995 } 996 997 static inline bool acpi_dma_supported(const struct acpi_device *adev) 998 { 999 return false; 1000 } 1001 1002 static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev) 1003 { 1004 return DEV_DMA_NOT_SUPPORTED; 1005 } 1006 1007 static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map) 1008 { 1009 return -ENODEV; 1010 } 1011 1012 static inline int acpi_dma_configure(struct device *dev, 1013 enum dev_dma_attr attr) 1014 { 1015 return 0; 1016 } 1017 1018 static inline int acpi_dma_configure_id(struct device *dev, 1019 enum dev_dma_attr attr, 1020 const u32 *input_id) 1021 { 1022 return 0; 1023 } 1024 1025 #define ACPI_PTR(_ptr) (NULL) 1026 1027 static inline void acpi_device_set_enumerated(struct acpi_device *adev) 1028 { 1029 } 1030 1031 static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 1032 { 1033 } 1034 1035 static inline int acpi_reconfig_notifier_register(struct notifier_block *nb) 1036 { 1037 return -EINVAL; 1038 } 1039 1040 static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb) 1041 { 1042 return -EINVAL; 1043 } 1044 1045 static inline struct acpi_device *acpi_resource_consumer(struct resource *res) 1046 { 1047 return NULL; 1048 } 1049 1050 static inline int acpi_get_local_address(acpi_handle handle, u32 *addr) 1051 { 1052 return -ENODEV; 1053 } 1054 1055 static inline const char *acpi_get_subsystem_id(acpi_handle handle) 1056 { 1057 return ERR_PTR(-ENODEV); 1058 } 1059 1060 static inline int acpi_register_wakeup_handler(int wake_irq, 1061 bool (*wakeup)(void *context), void *context) 1062 { 1063 return -ENXIO; 1064 } 1065 1066 static inline void acpi_unregister_wakeup_handler( 1067 bool (*wakeup)(void *context), void *context) { } 1068 1069 struct acpi_osc_context; 1070 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context) 1071 { 1072 return 0; 1073 } 1074 1075 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context) 1076 { 1077 return 0; 1078 } 1079 1080 static inline bool acpi_sleep_state_supported(u8 sleep_state) 1081 { 1082 return false; 1083 } 1084 1085 static inline acpi_handle acpi_get_processor_handle(int cpu) 1086 { 1087 return NULL; 1088 } 1089 1090 #endif /* !CONFIG_ACPI */ 1091 1092 extern void arch_post_acpi_subsys_init(void); 1093 1094 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 1095 int acpi_ioapic_add(acpi_handle root); 1096 #else 1097 static inline int acpi_ioapic_add(acpi_handle root) { return 0; } 1098 #endif 1099 1100 #ifdef CONFIG_ACPI 1101 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, 1102 u32 pm1a_ctrl, u32 pm1b_ctrl)); 1103 1104 acpi_status acpi_os_prepare_sleep(u8 sleep_state, 1105 u32 pm1a_control, u32 pm1b_control); 1106 1107 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, 1108 u32 val_a, u32 val_b)); 1109 1110 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, 1111 u32 val_a, u32 val_b); 1112 #if defined(CONFIG_SUSPEND) && defined(CONFIG_X86) 1113 struct acpi_s2idle_dev_ops { 1114 struct list_head list_node; 1115 void (*prepare)(void); 1116 void (*check)(void); 1117 void (*restore)(void); 1118 }; 1119 int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg); 1120 void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg); 1121 int acpi_get_lps0_constraint(struct acpi_device *adev); 1122 #else /* CONFIG_SUSPEND && CONFIG_X86 */ 1123 static inline int acpi_get_lps0_constraint(struct device *dev) 1124 { 1125 return ACPI_STATE_UNKNOWN; 1126 } 1127 #endif /* CONFIG_SUSPEND && CONFIG_X86 */ 1128 void arch_reserve_mem_area(acpi_physical_address addr, size_t size); 1129 #else 1130 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) 1131 #endif 1132 1133 #if defined(CONFIG_ACPI) && defined(CONFIG_PM) 1134 int acpi_dev_suspend(struct device *dev, bool wakeup); 1135 int acpi_dev_resume(struct device *dev); 1136 int acpi_subsys_runtime_suspend(struct device *dev); 1137 int acpi_subsys_runtime_resume(struct device *dev); 1138 int acpi_dev_pm_attach(struct device *dev, bool power_on); 1139 bool acpi_storage_d3(struct device *dev); 1140 bool acpi_dev_state_d0(struct device *dev); 1141 #else 1142 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } 1143 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } 1144 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) 1145 { 1146 return 0; 1147 } 1148 static inline bool acpi_storage_d3(struct device *dev) 1149 { 1150 return false; 1151 } 1152 static inline bool acpi_dev_state_d0(struct device *dev) 1153 { 1154 return true; 1155 } 1156 #endif 1157 1158 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) 1159 int acpi_subsys_prepare(struct device *dev); 1160 void acpi_subsys_complete(struct device *dev); 1161 int acpi_subsys_suspend_late(struct device *dev); 1162 int acpi_subsys_suspend_noirq(struct device *dev); 1163 int acpi_subsys_suspend(struct device *dev); 1164 int acpi_subsys_freeze(struct device *dev); 1165 int acpi_subsys_poweroff(struct device *dev); 1166 void acpi_ec_mark_gpe_for_wake(void); 1167 void acpi_ec_set_gpe_wake_mask(u8 action); 1168 int acpi_subsys_restore_early(struct device *dev); 1169 #else 1170 static inline int acpi_subsys_prepare(struct device *dev) { return 0; } 1171 static inline void acpi_subsys_complete(struct device *dev) {} 1172 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } 1173 static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; } 1174 static inline int acpi_subsys_suspend(struct device *dev) { return 0; } 1175 static inline int acpi_subsys_freeze(struct device *dev) { return 0; } 1176 static inline int acpi_subsys_poweroff(struct device *dev) { return 0; } 1177 static inline int acpi_subsys_restore_early(struct device *dev) { return 0; } 1178 static inline void acpi_ec_mark_gpe_for_wake(void) {} 1179 static inline void acpi_ec_set_gpe_wake_mask(u8 action) {} 1180 #endif 1181 1182 #ifdef CONFIG_ACPI 1183 char *acpi_handle_path(acpi_handle handle); 1184 __printf(3, 4) 1185 void acpi_handle_printk(const char *level, acpi_handle handle, 1186 const char *fmt, ...); 1187 void acpi_evaluation_failure_warn(acpi_handle handle, const char *name, 1188 acpi_status status); 1189 #else /* !CONFIG_ACPI */ 1190 static inline __printf(3, 4) void 1191 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} 1192 static inline void acpi_evaluation_failure_warn(acpi_handle handle, 1193 const char *name, 1194 acpi_status status) {} 1195 #endif /* !CONFIG_ACPI */ 1196 1197 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) 1198 __printf(3, 4) 1199 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); 1200 #endif 1201 1202 /* 1203 * acpi_handle_<level>: Print message with ACPI prefix and object path 1204 * 1205 * These interfaces acquire the global namespace mutex to obtain an object 1206 * path. In interrupt context, it shows the object path as <n/a>. 1207 */ 1208 #define acpi_handle_emerg(handle, fmt, ...) \ 1209 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) 1210 #define acpi_handle_alert(handle, fmt, ...) \ 1211 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) 1212 #define acpi_handle_crit(handle, fmt, ...) \ 1213 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) 1214 #define acpi_handle_err(handle, fmt, ...) \ 1215 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) 1216 #define acpi_handle_warn(handle, fmt, ...) \ 1217 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) 1218 #define acpi_handle_notice(handle, fmt, ...) \ 1219 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) 1220 #define acpi_handle_info(handle, fmt, ...) \ 1221 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) 1222 1223 #if defined(DEBUG) 1224 #define acpi_handle_debug(handle, fmt, ...) \ 1225 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) 1226 #else 1227 #if defined(CONFIG_DYNAMIC_DEBUG) 1228 #define acpi_handle_debug(handle, fmt, ...) \ 1229 _dynamic_func_call(fmt, __acpi_handle_debug, \ 1230 handle, pr_fmt(fmt), ##__VA_ARGS__) 1231 #else 1232 #define acpi_handle_debug(handle, fmt, ...) \ 1233 ({ \ 1234 if (0) \ 1235 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ 1236 0; \ 1237 }) 1238 #endif 1239 #endif 1240 1241 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) 1242 bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1243 struct acpi_resource_gpio **agpio); 1244 bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1245 struct acpi_resource_gpio **agpio); 1246 int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id, int index, 1247 bool *wake_capable); 1248 #else 1249 static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1250 struct acpi_resource_gpio **agpio) 1251 { 1252 return false; 1253 } 1254 static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1255 struct acpi_resource_gpio **agpio) 1256 { 1257 return false; 1258 } 1259 static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id, 1260 int index, bool *wake_capable) 1261 { 1262 return -ENXIO; 1263 } 1264 #endif 1265 1266 static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index, 1267 bool *wake_capable) 1268 { 1269 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable); 1270 } 1271 1272 static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *con_id, 1273 int index) 1274 { 1275 return acpi_dev_gpio_irq_wake_get_by(adev, con_id, index, NULL); 1276 } 1277 1278 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) 1279 { 1280 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL); 1281 } 1282 1283 /* Device properties */ 1284 1285 #ifdef CONFIG_ACPI 1286 int acpi_dev_get_property(const struct acpi_device *adev, const char *name, 1287 acpi_object_type type, const union acpi_object **obj); 1288 int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1289 const char *name, size_t index, size_t num_args, 1290 struct fwnode_reference_args *args); 1291 1292 static inline int acpi_node_get_property_reference( 1293 const struct fwnode_handle *fwnode, 1294 const char *name, size_t index, 1295 struct fwnode_reference_args *args) 1296 { 1297 return __acpi_node_get_property_reference(fwnode, name, index, 1298 NR_FWNODE_REFERENCE_ARGS, args); 1299 } 1300 1301 static inline bool acpi_dev_has_props(const struct acpi_device *adev) 1302 { 1303 return !list_empty(&adev->data.properties); 1304 } 1305 1306 struct acpi_device_properties * 1307 acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid, 1308 union acpi_object *properties); 1309 1310 int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname, 1311 void **valptr); 1312 1313 struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1314 struct fwnode_handle *child); 1315 1316 struct acpi_probe_entry; 1317 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *, 1318 struct acpi_probe_entry *); 1319 1320 #define ACPI_TABLE_ID_LEN 5 1321 1322 /** 1323 * struct acpi_probe_entry - boot-time probing entry 1324 * @id: ACPI table name 1325 * @type: Optional subtable type to match 1326 * (if @id contains subtables) 1327 * @subtable_valid: Optional callback to check the validity of 1328 * the subtable 1329 * @probe_table: Callback to the driver being probed when table 1330 * match is successful 1331 * @probe_subtbl: Callback to the driver being probed when table and 1332 * subtable match (and optional callback is successful) 1333 * @driver_data: Sideband data provided back to the driver 1334 */ 1335 struct acpi_probe_entry { 1336 __u8 id[ACPI_TABLE_ID_LEN]; 1337 __u8 type; 1338 acpi_probe_entry_validate_subtbl subtable_valid; 1339 union { 1340 acpi_tbl_table_handler probe_table; 1341 acpi_tbl_entry_handler probe_subtbl; 1342 }; 1343 kernel_ulong_t driver_data; 1344 }; 1345 1346 void arch_sort_irqchip_probe(struct acpi_probe_entry *ap_head, int nr); 1347 1348 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \ 1349 valid, data, fn) \ 1350 static const struct acpi_probe_entry __acpi_probe_##name \ 1351 __used __section("__" #table "_acpi_probe_table") = { \ 1352 .id = table_id, \ 1353 .type = subtable, \ 1354 .subtable_valid = valid, \ 1355 .probe_table = fn, \ 1356 .driver_data = data, \ 1357 } 1358 1359 #define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \ 1360 subtable, valid, data, fn) \ 1361 static const struct acpi_probe_entry __acpi_probe_##name \ 1362 __used __section("__" #table "_acpi_probe_table") = { \ 1363 .id = table_id, \ 1364 .type = subtable, \ 1365 .subtable_valid = valid, \ 1366 .probe_subtbl = fn, \ 1367 .driver_data = data, \ 1368 } 1369 1370 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table 1371 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end 1372 1373 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr); 1374 1375 #define acpi_probe_device_table(t) \ 1376 ({ \ 1377 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \ 1378 ACPI_PROBE_TABLE_END(t); \ 1379 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \ 1380 (&ACPI_PROBE_TABLE_END(t) - \ 1381 &ACPI_PROBE_TABLE(t))); \ 1382 }) 1383 #else 1384 static inline int acpi_dev_get_property(struct acpi_device *adev, 1385 const char *name, acpi_object_type type, 1386 const union acpi_object **obj) 1387 { 1388 return -ENXIO; 1389 } 1390 1391 static inline int 1392 __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1393 const char *name, size_t index, size_t num_args, 1394 struct fwnode_reference_args *args) 1395 { 1396 return -ENXIO; 1397 } 1398 1399 static inline int 1400 acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1401 const char *name, size_t index, 1402 struct fwnode_reference_args *args) 1403 { 1404 return -ENXIO; 1405 } 1406 1407 static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode, 1408 const char *propname, 1409 void **valptr) 1410 { 1411 return -ENXIO; 1412 } 1413 1414 static inline struct fwnode_handle * 1415 acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1416 struct fwnode_handle *child) 1417 { 1418 return NULL; 1419 } 1420 1421 static inline struct fwnode_handle * 1422 acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode, 1423 struct fwnode_handle *prev) 1424 { 1425 return ERR_PTR(-ENXIO); 1426 } 1427 1428 static inline int 1429 acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode, 1430 struct fwnode_handle **remote, 1431 struct fwnode_handle **port, 1432 struct fwnode_handle **endpoint) 1433 { 1434 return -ENXIO; 1435 } 1436 1437 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ 1438 static const void * __acpi_table_##name[] \ 1439 __attribute__((unused)) \ 1440 = { (void *) table_id, \ 1441 (void *) subtable, \ 1442 (void *) valid, \ 1443 (void *) fn, \ 1444 (void *) data } 1445 1446 #define acpi_probe_device_table(t) ({ int __r = 0; __r;}) 1447 #endif 1448 1449 #ifdef CONFIG_ACPI_TABLE_UPGRADE 1450 void acpi_table_upgrade(void); 1451 #else 1452 static inline void acpi_table_upgrade(void) { } 1453 #endif 1454 1455 #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG) 1456 extern bool acpi_has_watchdog(void); 1457 #else 1458 static inline bool acpi_has_watchdog(void) { return false; } 1459 #endif 1460 1461 #ifdef CONFIG_ACPI_SPCR_TABLE 1462 extern bool qdf2400_e44_present; 1463 int acpi_parse_spcr(bool enable_earlycon, bool enable_console); 1464 #else 1465 static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console) 1466 { 1467 return 0; 1468 } 1469 #endif 1470 1471 #if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI) 1472 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res); 1473 #else 1474 static inline 1475 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res) 1476 { 1477 return -EINVAL; 1478 } 1479 #endif 1480 1481 #ifdef CONFIG_ACPI_LPIT 1482 int lpit_read_residency_count_address(u64 *address); 1483 #else 1484 static inline int lpit_read_residency_count_address(u64 *address) 1485 { 1486 return -EINVAL; 1487 } 1488 #endif 1489 1490 #ifdef CONFIG_ACPI_PROCESSOR_IDLE 1491 #ifndef arch_get_idle_state_flags 1492 static inline unsigned int arch_get_idle_state_flags(u32 arch_flags) 1493 { 1494 return 0; 1495 } 1496 #endif 1497 #endif /* CONFIG_ACPI_PROCESSOR_IDLE */ 1498 1499 #ifdef CONFIG_ACPI_PPTT 1500 int acpi_pptt_cpu_is_thread(unsigned int cpu); 1501 int find_acpi_cpu_topology(unsigned int cpu, int level); 1502 int find_acpi_cpu_topology_cluster(unsigned int cpu); 1503 int find_acpi_cpu_topology_package(unsigned int cpu); 1504 int find_acpi_cpu_topology_hetero_id(unsigned int cpu); 1505 #else 1506 static inline int acpi_pptt_cpu_is_thread(unsigned int cpu) 1507 { 1508 return -EINVAL; 1509 } 1510 static inline int find_acpi_cpu_topology(unsigned int cpu, int level) 1511 { 1512 return -EINVAL; 1513 } 1514 static inline int find_acpi_cpu_topology_cluster(unsigned int cpu) 1515 { 1516 return -EINVAL; 1517 } 1518 static inline int find_acpi_cpu_topology_package(unsigned int cpu) 1519 { 1520 return -EINVAL; 1521 } 1522 static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu) 1523 { 1524 return -EINVAL; 1525 } 1526 #endif 1527 1528 #ifdef CONFIG_ARM64 1529 void acpi_arm_init(void); 1530 #else 1531 static inline void acpi_arm_init(void) { } 1532 #endif 1533 1534 #ifdef CONFIG_RISCV 1535 void acpi_riscv_init(void); 1536 #else 1537 static inline void acpi_riscv_init(void) { } 1538 #endif 1539 1540 #ifdef CONFIG_ACPI_PCC 1541 void acpi_init_pcc(void); 1542 #else 1543 static inline void acpi_init_pcc(void) { } 1544 #endif 1545 1546 #ifdef CONFIG_ACPI_FFH 1547 void acpi_init_ffh(void); 1548 extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt, 1549 void **region_ctxt); 1550 extern int acpi_ffh_address_space_arch_handler(acpi_integer *value, 1551 void *region_context); 1552 #else 1553 static inline void acpi_init_ffh(void) { } 1554 #endif 1555 1556 #ifdef CONFIG_ACPI 1557 extern void acpi_device_notify(struct device *dev); 1558 extern void acpi_device_notify_remove(struct device *dev); 1559 #else 1560 static inline void acpi_device_notify(struct device *dev) { } 1561 static inline void acpi_device_notify_remove(struct device *dev) { } 1562 #endif 1563 1564 static inline void acpi_use_parent_companion(struct device *dev) 1565 { 1566 ACPI_COMPANION_SET(dev, ACPI_COMPANION(dev->parent)); 1567 } 1568 1569 #ifdef CONFIG_ACPI_HMAT 1570 int hmat_update_target_coordinates(int nid, struct access_coordinate *coord, 1571 enum access_coordinate_class access); 1572 #else 1573 static inline int hmat_update_target_coordinates(int nid, 1574 struct access_coordinate *coord, 1575 enum access_coordinate_class access) 1576 { 1577 return -EOPNOTSUPP; 1578 } 1579 #endif 1580 1581 #ifdef CONFIG_ACPI_NUMA 1582 bool acpi_node_backed_by_real_pxm(int nid); 1583 #else 1584 static inline bool acpi_node_backed_by_real_pxm(int nid) 1585 { 1586 return false; 1587 } 1588 #endif 1589 1590 #endif /*_LINUX_ACPI_H*/ 1591