1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * acpi.h - ACPI Interface 4 * 5 * Copyright (C) 2001 Paul Diefenbaugh <[email protected]> 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 28 #ifdef CONFIG_ACPI 29 30 #include <linux/list.h> 31 #include <linux/dynamic_debug.h> 32 #include <linux/module.h> 33 #include <linux/mutex.h> 34 #include <linux/fw_table.h> 35 36 #include <acpi/acpi_bus.h> 37 #include <acpi/acpi_drivers.h> 38 #include <acpi/acpi_numa.h> 39 #include <acpi/acpi_io.h> 40 #include <asm/acpi.h> 41 42 #ifdef CONFIG_ACPI_TABLE_LIB 43 #define EXPORT_SYMBOL_ACPI_LIB(x) EXPORT_SYMBOL_NS_GPL(x, ACPI) 44 #define __init_or_acpilib 45 #define __initdata_or_acpilib 46 #else 47 #define EXPORT_SYMBOL_ACPI_LIB(x) 48 #define __init_or_acpilib __init 49 #define __initdata_or_acpilib __initdata 50 #endif 51 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_COUNT 111 }; 112 113 extern enum acpi_irq_model_id acpi_irq_model; 114 115 enum acpi_interrupt_id { 116 ACPI_INTERRUPT_PMI = 1, 117 ACPI_INTERRUPT_INIT, 118 ACPI_INTERRUPT_CPEI, 119 ACPI_INTERRUPT_COUNT 120 }; 121 122 #define ACPI_SPACE_MEM 0 123 124 enum acpi_address_range_id { 125 ACPI_ADDRESS_RANGE_MEMORY = 1, 126 ACPI_ADDRESS_RANGE_RESERVED = 2, 127 ACPI_ADDRESS_RANGE_ACPI = 3, 128 ACPI_ADDRESS_RANGE_NVS = 4, 129 ACPI_ADDRESS_RANGE_COUNT 130 }; 131 132 133 /* Table Handlers */ 134 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table); 135 136 /* Debugger support */ 137 138 struct acpi_debugger_ops { 139 int (*create_thread)(acpi_osd_exec_callback function, void *context); 140 ssize_t (*write_log)(const char *msg); 141 ssize_t (*read_cmd)(char *buffer, size_t length); 142 int (*wait_command_ready)(bool single_step, char *buffer, size_t length); 143 int (*notify_command_complete)(void); 144 }; 145 146 struct acpi_debugger { 147 const struct acpi_debugger_ops *ops; 148 struct module *owner; 149 struct mutex lock; 150 }; 151 152 #ifdef CONFIG_ACPI_DEBUGGER 153 int __init acpi_debugger_init(void); 154 int acpi_register_debugger(struct module *owner, 155 const struct acpi_debugger_ops *ops); 156 void acpi_unregister_debugger(const struct acpi_debugger_ops *ops); 157 int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context); 158 ssize_t acpi_debugger_write_log(const char *msg); 159 ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length); 160 int acpi_debugger_wait_command_ready(void); 161 int acpi_debugger_notify_command_complete(void); 162 #else 163 static inline int acpi_debugger_init(void) 164 { 165 return -ENODEV; 166 } 167 168 static inline int acpi_register_debugger(struct module *owner, 169 const struct acpi_debugger_ops *ops) 170 { 171 return -ENODEV; 172 } 173 174 static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops) 175 { 176 } 177 178 static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function, 179 void *context) 180 { 181 return -ENODEV; 182 } 183 184 static inline int acpi_debugger_write_log(const char *msg) 185 { 186 return -ENODEV; 187 } 188 189 static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length) 190 { 191 return -ENODEV; 192 } 193 194 static inline int acpi_debugger_wait_command_ready(void) 195 { 196 return -ENODEV; 197 } 198 199 static inline int acpi_debugger_notify_command_complete(void) 200 { 201 return -ENODEV; 202 } 203 #endif 204 205 #define BAD_MADT_ENTRY(entry, end) ( \ 206 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \ 207 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry)) 208 209 void __iomem *__acpi_map_table(unsigned long phys, unsigned long size); 210 void __acpi_unmap_table(void __iomem *map, unsigned long size); 211 int early_acpi_boot_init(void); 212 int acpi_boot_init (void); 213 void acpi_boot_table_prepare (void); 214 void acpi_boot_table_init (void); 215 int acpi_mps_check (void); 216 int acpi_numa_init (void); 217 218 int acpi_locate_initial_tables (void); 219 void acpi_reserve_initial_tables (void); 220 void acpi_table_init_complete (void); 221 int acpi_table_init (void); 222 223 int acpi_table_parse(char *id, acpi_tbl_table_handler handler); 224 int __init_or_acpilib acpi_table_parse_entries(char *id, 225 unsigned long table_size, int entry_id, 226 acpi_tbl_entry_handler handler, unsigned int max_entries); 227 int __init_or_acpilib acpi_table_parse_entries_array(char *id, 228 unsigned long table_size, struct acpi_subtable_proc *proc, 229 int proc_num, unsigned int max_entries); 230 int acpi_table_parse_madt(enum acpi_madt_type id, 231 acpi_tbl_entry_handler handler, 232 unsigned int max_entries); 233 int __init_or_acpilib 234 acpi_table_parse_cedt(enum acpi_cedt_type id, 235 acpi_tbl_entry_handler_arg handler_arg, void *arg); 236 237 int acpi_parse_mcfg (struct acpi_table_header *header); 238 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); 239 240 static inline bool acpi_gicc_is_usable(struct acpi_madt_generic_interrupt *gicc) 241 { 242 return gicc->flags & ACPI_MADT_ENABLED; 243 } 244 245 #if defined(CONFIG_X86) || defined(CONFIG_LOONGARCH) 246 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); 247 #else 248 static inline void 249 acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { } 250 #endif 251 252 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); 253 254 #if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH) 255 void acpi_arch_dma_setup(struct device *dev); 256 #else 257 static inline void acpi_arch_dma_setup(struct device *dev) { } 258 #endif 259 260 #ifdef CONFIG_ARM64 261 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa); 262 #else 263 static inline void 264 acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { } 265 #endif 266 267 #ifdef CONFIG_RISCV 268 void acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity *pa); 269 #else 270 static inline void acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity *pa) { } 271 #endif 272 273 #ifndef PHYS_CPUID_INVALID 274 typedef u32 phys_cpuid_t; 275 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1) 276 #endif 277 278 static inline bool invalid_logical_cpuid(u32 cpuid) 279 { 280 return (int)cpuid < 0; 281 } 282 283 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id) 284 { 285 return phys_id == PHYS_CPUID_INVALID; 286 } 287 288 /* Validate the processor object's proc_id */ 289 bool acpi_duplicate_processor_id(int proc_id); 290 /* Processor _CTS control */ 291 struct acpi_processor_power; 292 293 #ifdef CONFIG_ACPI_PROCESSOR_CSTATE 294 bool acpi_processor_claim_cst_control(void); 295 int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, 296 struct acpi_processor_power *info); 297 #else 298 static inline bool acpi_processor_claim_cst_control(void) { return false; } 299 static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, 300 struct acpi_processor_power *info) 301 { 302 return -ENODEV; 303 } 304 #endif 305 306 #ifdef CONFIG_ACPI_HOTPLUG_CPU 307 /* Arch dependent functions for cpu hotplug support */ 308 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id, 309 int *pcpu); 310 int acpi_unmap_cpu(int cpu); 311 #endif /* CONFIG_ACPI_HOTPLUG_CPU */ 312 313 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 314 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr); 315 #endif 316 317 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); 318 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); 319 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base); 320 void acpi_irq_stats_init(void); 321 extern u32 acpi_irq_handled; 322 extern u32 acpi_irq_not_handled; 323 extern unsigned int acpi_sci_irq; 324 extern bool acpi_no_s5; 325 #define INVALID_ACPI_IRQ ((unsigned)-1) 326 static inline bool acpi_sci_irq_valid(void) 327 { 328 return acpi_sci_irq != INVALID_ACPI_IRQ; 329 } 330 331 extern int sbf_port; 332 extern unsigned long acpi_realmode_flags; 333 334 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); 335 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 336 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); 337 338 void acpi_set_irq_model(enum acpi_irq_model_id model, 339 struct fwnode_handle *(*)(u32)); 340 void acpi_set_gsi_to_irq_fallback(u32 (*)(u32)); 341 342 struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags, 343 unsigned int size, 344 struct fwnode_handle *fwnode, 345 const struct irq_domain_ops *ops, 346 void *host_data); 347 348 #ifdef CONFIG_X86_IO_APIC 349 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); 350 #else 351 static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity) 352 { 353 return -1; 354 } 355 #endif 356 /* 357 * This function undoes the effect of one call to acpi_register_gsi(). 358 * If this matches the last registration, any IRQ resources for gsi 359 * are freed. 360 */ 361 void acpi_unregister_gsi (u32 gsi); 362 363 struct pci_dev; 364 365 int acpi_pci_irq_enable (struct pci_dev *dev); 366 void acpi_penalize_isa_irq(int irq, int active); 367 bool acpi_isa_irq_available(int irq); 368 #ifdef CONFIG_PCI 369 void acpi_penalize_sci_irq(int irq, int trigger, int polarity); 370 #else 371 static inline void acpi_penalize_sci_irq(int irq, int trigger, 372 int polarity) 373 { 374 } 375 #endif 376 void acpi_pci_irq_disable (struct pci_dev *dev); 377 378 extern int ec_read(u8 addr, u8 *val); 379 extern int ec_write(u8 addr, u8 val); 380 extern int ec_transaction(u8 command, 381 const u8 *wdata, unsigned wdata_len, 382 u8 *rdata, unsigned rdata_len); 383 extern acpi_handle ec_get_handle(void); 384 385 extern bool acpi_is_pnp_device(struct acpi_device *); 386 387 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 388 389 typedef void (*wmi_notify_handler) (u32 value, void *context); 390 391 int wmi_instance_count(const char *guid); 392 393 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 394 u32 method_id, 395 const struct acpi_buffer *in, 396 struct acpi_buffer *out); 397 extern acpi_status wmi_query_block(const char *guid, u8 instance, 398 struct acpi_buffer *out); 399 extern acpi_status wmi_set_block(const char *guid, u8 instance, 400 const struct acpi_buffer *in); 401 extern acpi_status wmi_install_notify_handler(const char *guid, 402 wmi_notify_handler handler, void *data); 403 extern acpi_status wmi_remove_notify_handler(const char *guid); 404 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); 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_PRM_SUPPORT 0x00200000 586 #define OSC_SB_FFH_OPR_SUPPORT 0x00400000 587 588 extern bool osc_sb_apei_support_acked; 589 extern bool osc_pc_lpi_support_confirmed; 590 extern bool osc_sb_native_usb4_support_confirmed; 591 extern bool osc_sb_cppc2_support_acked; 592 extern bool osc_cpc_flexible_adr_space_confirmed; 593 594 /* USB4 Capabilities */ 595 #define OSC_USB_USB3_TUNNELING 0x00000001 596 #define OSC_USB_DP_TUNNELING 0x00000002 597 #define OSC_USB_PCIE_TUNNELING 0x00000004 598 #define OSC_USB_XDOMAIN 0x00000008 599 600 extern u32 osc_sb_native_usb4_control; 601 602 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */ 603 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001 604 #define OSC_PCI_ASPM_SUPPORT 0x00000002 605 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004 606 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008 607 #define OSC_PCI_MSI_SUPPORT 0x00000010 608 #define OSC_PCI_EDR_SUPPORT 0x00000080 609 #define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100 610 611 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */ 612 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001 613 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002 614 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004 615 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008 616 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010 617 #define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020 618 #define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080 619 620 /* CXL _OSC: Capabilities DWORD 4: Support Field */ 621 #define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT 0x00000001 622 #define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT 0x00000002 623 #define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT 0x00000004 624 #define OSC_CXL_NATIVE_HP_SUPPORT 0x00000008 625 626 /* CXL _OSC: Capabilities DWORD 5: Control Field */ 627 #define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001 628 629 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context) 630 { 631 u32 *ret = context->ret.pointer; 632 633 return ret[OSC_CONTROL_DWORD]; 634 } 635 636 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context) 637 { 638 u32 *ret = context->ret.pointer; 639 640 return ret[OSC_EXT_CONTROL_DWORD]; 641 } 642 643 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002 644 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004 645 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006 646 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008 647 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A 648 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B 649 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C 650 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D 651 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E 652 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F 653 654 /* Enable _OST when all relevant hotplug operations are enabled */ 655 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ 656 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \ 657 defined(CONFIG_ACPI_CONTAINER) 658 #define ACPI_HOTPLUG_OST 659 #endif 660 661 /* _OST Source Event Code (OSPM Action) */ 662 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100 663 #define ACPI_OST_EC_OSPM_EJECT 0x103 664 #define ACPI_OST_EC_OSPM_INSERTION 0x200 665 666 /* _OST General Processing Status Code */ 667 #define ACPI_OST_SC_SUCCESS 0x0 668 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1 669 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2 670 671 /* _OST OS Shutdown Processing (0x100) Status Code */ 672 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80 673 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81 674 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82 675 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83 676 677 /* _OST Ejection Request (0x3, 0x103) Status Code */ 678 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80 679 #define ACPI_OST_SC_DEVICE_IN_USE 0x81 680 #define ACPI_OST_SC_DEVICE_BUSY 0x82 681 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83 682 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84 683 684 /* _OST Insertion Request (0x200) Status Code */ 685 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80 686 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 687 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 688 689 enum acpi_predicate { 690 all_versions, 691 less_than_or_equal, 692 equal, 693 greater_than_or_equal, 694 }; 695 696 /* Table must be terminted by a NULL entry */ 697 struct acpi_platform_list { 698 char oem_id[ACPI_OEM_ID_SIZE+1]; 699 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1]; 700 u32 oem_revision; 701 char *table; 702 enum acpi_predicate pred; 703 char *reason; 704 u32 data; 705 }; 706 int acpi_match_platform_list(const struct acpi_platform_list *plat); 707 708 extern void acpi_early_init(void); 709 extern void acpi_subsystem_init(void); 710 711 extern int acpi_nvs_register(__u64 start, __u64 size); 712 713 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 714 void *data); 715 716 const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids, 717 const struct acpi_device *adev); 718 719 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, 720 const struct device *dev); 721 722 const void *acpi_device_get_match_data(const struct device *dev); 723 extern bool acpi_driver_match_device(struct device *dev, 724 const struct device_driver *drv); 725 int acpi_device_uevent_modalias(const struct device *, struct kobj_uevent_env *); 726 int acpi_device_modalias(struct device *, char *, int); 727 728 struct platform_device *acpi_create_platform_device(struct acpi_device *, 729 const struct property_entry *); 730 #define ACPI_PTR(_ptr) (_ptr) 731 732 static inline void acpi_device_set_enumerated(struct acpi_device *adev) 733 { 734 adev->flags.visited = true; 735 } 736 737 static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 738 { 739 adev->flags.visited = false; 740 } 741 742 enum acpi_reconfig_event { 743 ACPI_RECONFIG_DEVICE_ADD = 0, 744 ACPI_RECONFIG_DEVICE_REMOVE, 745 }; 746 747 int acpi_reconfig_notifier_register(struct notifier_block *nb); 748 int acpi_reconfig_notifier_unregister(struct notifier_block *nb); 749 750 #ifdef CONFIG_ACPI_GTDT 751 int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count); 752 int acpi_gtdt_map_ppi(int type); 753 bool acpi_gtdt_c3stop(int type); 754 int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count); 755 #endif 756 757 #ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER 758 static inline void acpi_arch_set_root_pointer(u64 addr) 759 { 760 } 761 #endif 762 763 #ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER 764 static inline u64 acpi_arch_get_root_pointer(void) 765 { 766 return 0; 767 } 768 #endif 769 770 int acpi_get_local_address(acpi_handle handle, u32 *addr); 771 const char *acpi_get_subsystem_id(acpi_handle handle); 772 773 #else /* !CONFIG_ACPI */ 774 775 #define acpi_disabled 1 776 777 #define ACPI_COMPANION(dev) (NULL) 778 #define ACPI_COMPANION_SET(dev, adev) do { } while (0) 779 #define ACPI_HANDLE(dev) (NULL) 780 #define ACPI_HANDLE_FWNODE(fwnode) (NULL) 781 782 /* Get rid of the -Wunused-variable for adev */ 783 #define acpi_dev_uid_match(adev, uid2) (adev && false) 784 #define acpi_dev_hid_uid_match(adev, hid2, uid2) (adev && false) 785 786 #include <acpi/acpi_numa.h> 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 #endif /* !CONFIG_ACPI */ 1086 1087 extern void arch_post_acpi_subsys_init(void); 1088 1089 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 1090 int acpi_ioapic_add(acpi_handle root); 1091 #else 1092 static inline int acpi_ioapic_add(acpi_handle root) { return 0; } 1093 #endif 1094 1095 #ifdef CONFIG_ACPI 1096 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, 1097 u32 pm1a_ctrl, u32 pm1b_ctrl)); 1098 1099 acpi_status acpi_os_prepare_sleep(u8 sleep_state, 1100 u32 pm1a_control, u32 pm1b_control); 1101 1102 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, 1103 u32 val_a, u32 val_b)); 1104 1105 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, 1106 u32 val_a, u32 val_b); 1107 #if defined(CONFIG_SUSPEND) && defined(CONFIG_X86) 1108 struct acpi_s2idle_dev_ops { 1109 struct list_head list_node; 1110 void (*prepare)(void); 1111 void (*check)(void); 1112 void (*restore)(void); 1113 }; 1114 int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg); 1115 void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg); 1116 int acpi_get_lps0_constraint(struct acpi_device *adev); 1117 #else /* CONFIG_SUSPEND && CONFIG_X86 */ 1118 static inline int acpi_get_lps0_constraint(struct device *dev) 1119 { 1120 return ACPI_STATE_UNKNOWN; 1121 } 1122 #endif /* CONFIG_SUSPEND && CONFIG_X86 */ 1123 void arch_reserve_mem_area(acpi_physical_address addr, size_t size); 1124 #else 1125 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) 1126 #endif 1127 1128 #if defined(CONFIG_ACPI) && defined(CONFIG_PM) 1129 int acpi_dev_suspend(struct device *dev, bool wakeup); 1130 int acpi_dev_resume(struct device *dev); 1131 int acpi_subsys_runtime_suspend(struct device *dev); 1132 int acpi_subsys_runtime_resume(struct device *dev); 1133 int acpi_dev_pm_attach(struct device *dev, bool power_on); 1134 bool acpi_storage_d3(struct device *dev); 1135 bool acpi_dev_state_d0(struct device *dev); 1136 #else 1137 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } 1138 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } 1139 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) 1140 { 1141 return 0; 1142 } 1143 static inline bool acpi_storage_d3(struct device *dev) 1144 { 1145 return false; 1146 } 1147 static inline bool acpi_dev_state_d0(struct device *dev) 1148 { 1149 return true; 1150 } 1151 #endif 1152 1153 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) 1154 int acpi_subsys_prepare(struct device *dev); 1155 void acpi_subsys_complete(struct device *dev); 1156 int acpi_subsys_suspend_late(struct device *dev); 1157 int acpi_subsys_suspend_noirq(struct device *dev); 1158 int acpi_subsys_suspend(struct device *dev); 1159 int acpi_subsys_freeze(struct device *dev); 1160 int acpi_subsys_poweroff(struct device *dev); 1161 void acpi_ec_mark_gpe_for_wake(void); 1162 void acpi_ec_set_gpe_wake_mask(u8 action); 1163 int acpi_subsys_restore_early(struct device *dev); 1164 #else 1165 static inline int acpi_subsys_prepare(struct device *dev) { return 0; } 1166 static inline void acpi_subsys_complete(struct device *dev) {} 1167 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } 1168 static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; } 1169 static inline int acpi_subsys_suspend(struct device *dev) { return 0; } 1170 static inline int acpi_subsys_freeze(struct device *dev) { return 0; } 1171 static inline int acpi_subsys_poweroff(struct device *dev) { return 0; } 1172 static inline int acpi_subsys_restore_early(struct device *dev) { return 0; } 1173 static inline void acpi_ec_mark_gpe_for_wake(void) {} 1174 static inline void acpi_ec_set_gpe_wake_mask(u8 action) {} 1175 #endif 1176 1177 #ifdef CONFIG_ACPI 1178 char *acpi_handle_path(acpi_handle handle); 1179 __printf(3, 4) 1180 void acpi_handle_printk(const char *level, acpi_handle handle, 1181 const char *fmt, ...); 1182 void acpi_evaluation_failure_warn(acpi_handle handle, const char *name, 1183 acpi_status status); 1184 #else /* !CONFIG_ACPI */ 1185 static inline __printf(3, 4) void 1186 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} 1187 static inline void acpi_evaluation_failure_warn(acpi_handle handle, 1188 const char *name, 1189 acpi_status status) {} 1190 #endif /* !CONFIG_ACPI */ 1191 1192 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) 1193 __printf(3, 4) 1194 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); 1195 #endif 1196 1197 /* 1198 * acpi_handle_<level>: Print message with ACPI prefix and object path 1199 * 1200 * These interfaces acquire the global namespace mutex to obtain an object 1201 * path. In interrupt context, it shows the object path as <n/a>. 1202 */ 1203 #define acpi_handle_emerg(handle, fmt, ...) \ 1204 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) 1205 #define acpi_handle_alert(handle, fmt, ...) \ 1206 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) 1207 #define acpi_handle_crit(handle, fmt, ...) \ 1208 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) 1209 #define acpi_handle_err(handle, fmt, ...) \ 1210 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) 1211 #define acpi_handle_warn(handle, fmt, ...) \ 1212 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) 1213 #define acpi_handle_notice(handle, fmt, ...) \ 1214 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) 1215 #define acpi_handle_info(handle, fmt, ...) \ 1216 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) 1217 1218 #if defined(DEBUG) 1219 #define acpi_handle_debug(handle, fmt, ...) \ 1220 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) 1221 #else 1222 #if defined(CONFIG_DYNAMIC_DEBUG) 1223 #define acpi_handle_debug(handle, fmt, ...) \ 1224 _dynamic_func_call(fmt, __acpi_handle_debug, \ 1225 handle, pr_fmt(fmt), ##__VA_ARGS__) 1226 #else 1227 #define acpi_handle_debug(handle, fmt, ...) \ 1228 ({ \ 1229 if (0) \ 1230 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ 1231 0; \ 1232 }) 1233 #endif 1234 #endif 1235 1236 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) 1237 bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1238 struct acpi_resource_gpio **agpio); 1239 bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1240 struct acpi_resource_gpio **agpio); 1241 int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id, int index, 1242 bool *wake_capable); 1243 #else 1244 static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1245 struct acpi_resource_gpio **agpio) 1246 { 1247 return false; 1248 } 1249 static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1250 struct acpi_resource_gpio **agpio) 1251 { 1252 return false; 1253 } 1254 static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id, 1255 int index, bool *wake_capable) 1256 { 1257 return -ENXIO; 1258 } 1259 #endif 1260 1261 static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index, 1262 bool *wake_capable) 1263 { 1264 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable); 1265 } 1266 1267 static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *con_id, 1268 int index) 1269 { 1270 return acpi_dev_gpio_irq_wake_get_by(adev, con_id, index, NULL); 1271 } 1272 1273 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) 1274 { 1275 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL); 1276 } 1277 1278 /* Device properties */ 1279 1280 #ifdef CONFIG_ACPI 1281 int acpi_dev_get_property(const struct acpi_device *adev, const char *name, 1282 acpi_object_type type, const union acpi_object **obj); 1283 int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1284 const char *name, size_t index, size_t num_args, 1285 struct fwnode_reference_args *args); 1286 1287 static inline int acpi_node_get_property_reference( 1288 const struct fwnode_handle *fwnode, 1289 const char *name, size_t index, 1290 struct fwnode_reference_args *args) 1291 { 1292 return __acpi_node_get_property_reference(fwnode, name, index, 1293 NR_FWNODE_REFERENCE_ARGS, args); 1294 } 1295 1296 static inline bool acpi_dev_has_props(const struct acpi_device *adev) 1297 { 1298 return !list_empty(&adev->data.properties); 1299 } 1300 1301 struct acpi_device_properties * 1302 acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid, 1303 union acpi_object *properties); 1304 1305 int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname, 1306 void **valptr); 1307 1308 struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1309 struct fwnode_handle *child); 1310 1311 struct acpi_probe_entry; 1312 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *, 1313 struct acpi_probe_entry *); 1314 1315 #define ACPI_TABLE_ID_LEN 5 1316 1317 /** 1318 * struct acpi_probe_entry - boot-time probing entry 1319 * @id: ACPI table name 1320 * @type: Optional subtable type to match 1321 * (if @id contains subtables) 1322 * @subtable_valid: Optional callback to check the validity of 1323 * the subtable 1324 * @probe_table: Callback to the driver being probed when table 1325 * match is successful 1326 * @probe_subtbl: Callback to the driver being probed when table and 1327 * subtable match (and optional callback is successful) 1328 * @driver_data: Sideband data provided back to the driver 1329 */ 1330 struct acpi_probe_entry { 1331 __u8 id[ACPI_TABLE_ID_LEN]; 1332 __u8 type; 1333 acpi_probe_entry_validate_subtbl subtable_valid; 1334 union { 1335 acpi_tbl_table_handler probe_table; 1336 acpi_tbl_entry_handler probe_subtbl; 1337 }; 1338 kernel_ulong_t driver_data; 1339 }; 1340 1341 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \ 1342 valid, data, fn) \ 1343 static const struct acpi_probe_entry __acpi_probe_##name \ 1344 __used __section("__" #table "_acpi_probe_table") = { \ 1345 .id = table_id, \ 1346 .type = subtable, \ 1347 .subtable_valid = valid, \ 1348 .probe_table = fn, \ 1349 .driver_data = data, \ 1350 } 1351 1352 #define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \ 1353 subtable, valid, data, fn) \ 1354 static const struct acpi_probe_entry __acpi_probe_##name \ 1355 __used __section("__" #table "_acpi_probe_table") = { \ 1356 .id = table_id, \ 1357 .type = subtable, \ 1358 .subtable_valid = valid, \ 1359 .probe_subtbl = fn, \ 1360 .driver_data = data, \ 1361 } 1362 1363 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table 1364 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end 1365 1366 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr); 1367 1368 #define acpi_probe_device_table(t) \ 1369 ({ \ 1370 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \ 1371 ACPI_PROBE_TABLE_END(t); \ 1372 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \ 1373 (&ACPI_PROBE_TABLE_END(t) - \ 1374 &ACPI_PROBE_TABLE(t))); \ 1375 }) 1376 #else 1377 static inline int acpi_dev_get_property(struct acpi_device *adev, 1378 const char *name, acpi_object_type type, 1379 const union acpi_object **obj) 1380 { 1381 return -ENXIO; 1382 } 1383 1384 static inline int 1385 __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1386 const char *name, size_t index, size_t num_args, 1387 struct fwnode_reference_args *args) 1388 { 1389 return -ENXIO; 1390 } 1391 1392 static inline int 1393 acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1394 const char *name, size_t index, 1395 struct fwnode_reference_args *args) 1396 { 1397 return -ENXIO; 1398 } 1399 1400 static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode, 1401 const char *propname, 1402 void **valptr) 1403 { 1404 return -ENXIO; 1405 } 1406 1407 static inline struct fwnode_handle * 1408 acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1409 struct fwnode_handle *child) 1410 { 1411 return NULL; 1412 } 1413 1414 static inline struct fwnode_handle * 1415 acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode, 1416 struct fwnode_handle *prev) 1417 { 1418 return ERR_PTR(-ENXIO); 1419 } 1420 1421 static inline int 1422 acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode, 1423 struct fwnode_handle **remote, 1424 struct fwnode_handle **port, 1425 struct fwnode_handle **endpoint) 1426 { 1427 return -ENXIO; 1428 } 1429 1430 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ 1431 static const void * __acpi_table_##name[] \ 1432 __attribute__((unused)) \ 1433 = { (void *) table_id, \ 1434 (void *) subtable, \ 1435 (void *) valid, \ 1436 (void *) fn, \ 1437 (void *) data } 1438 1439 #define acpi_probe_device_table(t) ({ int __r = 0; __r;}) 1440 #endif 1441 1442 #ifdef CONFIG_ACPI_TABLE_UPGRADE 1443 void acpi_table_upgrade(void); 1444 #else 1445 static inline void acpi_table_upgrade(void) { } 1446 #endif 1447 1448 #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG) 1449 extern bool acpi_has_watchdog(void); 1450 #else 1451 static inline bool acpi_has_watchdog(void) { return false; } 1452 #endif 1453 1454 #ifdef CONFIG_ACPI_SPCR_TABLE 1455 extern bool qdf2400_e44_present; 1456 int acpi_parse_spcr(bool enable_earlycon, bool enable_console); 1457 #else 1458 static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console) 1459 { 1460 return 0; 1461 } 1462 #endif 1463 1464 #if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI) 1465 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res); 1466 #else 1467 static inline 1468 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res) 1469 { 1470 return -EINVAL; 1471 } 1472 #endif 1473 1474 #ifdef CONFIG_ACPI_LPIT 1475 int lpit_read_residency_count_address(u64 *address); 1476 #else 1477 static inline int lpit_read_residency_count_address(u64 *address) 1478 { 1479 return -EINVAL; 1480 } 1481 #endif 1482 1483 #ifdef CONFIG_ACPI_PROCESSOR_IDLE 1484 #ifndef arch_get_idle_state_flags 1485 static inline unsigned int arch_get_idle_state_flags(u32 arch_flags) 1486 { 1487 return 0; 1488 } 1489 #endif 1490 #endif /* CONFIG_ACPI_PROCESSOR_IDLE */ 1491 1492 #ifdef CONFIG_ACPI_PPTT 1493 int acpi_pptt_cpu_is_thread(unsigned int cpu); 1494 int find_acpi_cpu_topology(unsigned int cpu, int level); 1495 int find_acpi_cpu_topology_cluster(unsigned int cpu); 1496 int find_acpi_cpu_topology_package(unsigned int cpu); 1497 int find_acpi_cpu_topology_hetero_id(unsigned int cpu); 1498 #else 1499 static inline int acpi_pptt_cpu_is_thread(unsigned int cpu) 1500 { 1501 return -EINVAL; 1502 } 1503 static inline int find_acpi_cpu_topology(unsigned int cpu, int level) 1504 { 1505 return -EINVAL; 1506 } 1507 static inline int find_acpi_cpu_topology_cluster(unsigned int cpu) 1508 { 1509 return -EINVAL; 1510 } 1511 static inline int find_acpi_cpu_topology_package(unsigned int cpu) 1512 { 1513 return -EINVAL; 1514 } 1515 static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu) 1516 { 1517 return -EINVAL; 1518 } 1519 #endif 1520 1521 #ifdef CONFIG_ARM64 1522 void acpi_arm_init(void); 1523 #else 1524 static inline void acpi_arm_init(void) { } 1525 #endif 1526 1527 #ifdef CONFIG_ACPI_PCC 1528 void acpi_init_pcc(void); 1529 #else 1530 static inline void acpi_init_pcc(void) { } 1531 #endif 1532 1533 #ifdef CONFIG_ACPI_FFH 1534 void acpi_init_ffh(void); 1535 extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt, 1536 void **region_ctxt); 1537 extern int acpi_ffh_address_space_arch_handler(acpi_integer *value, 1538 void *region_context); 1539 #else 1540 static inline void acpi_init_ffh(void) { } 1541 #endif 1542 1543 #ifdef CONFIG_ACPI 1544 extern void acpi_device_notify(struct device *dev); 1545 extern void acpi_device_notify_remove(struct device *dev); 1546 #else 1547 static inline void acpi_device_notify(struct device *dev) { } 1548 static inline void acpi_device_notify_remove(struct device *dev) { } 1549 #endif 1550 1551 static inline void acpi_use_parent_companion(struct device *dev) 1552 { 1553 ACPI_COMPANION_SET(dev, ACPI_COMPANION(dev->parent)); 1554 } 1555 1556 #ifdef CONFIG_ACPI_HMAT 1557 int hmat_update_target_coordinates(int nid, struct access_coordinate *coord, 1558 enum access_coordinate_class access); 1559 #else 1560 static inline int hmat_update_target_coordinates(int nid, 1561 struct access_coordinate *coord, 1562 enum access_coordinate_class access) 1563 { 1564 return -EOPNOTSUPP; 1565 } 1566 #endif 1567 1568 #ifdef CONFIG_ACPI_NUMA 1569 bool acpi_node_backed_by_real_pxm(int nid); 1570 #else 1571 static inline bool acpi_node_backed_by_real_pxm(int nid) 1572 { 1573 return false; 1574 } 1575 #endif 1576 1577 #endif /*_LINUX_ACPI_H*/ 1578