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 /* the following numa functions are architecture-dependent */ 246 void acpi_numa_slit_init (struct acpi_table_slit *slit); 247 248 #if defined(CONFIG_X86) || defined(CONFIG_LOONGARCH) 249 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); 250 #else 251 static inline void 252 acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { } 253 #endif 254 255 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); 256 257 #if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH) 258 void acpi_arch_dma_setup(struct device *dev); 259 #else 260 static inline void acpi_arch_dma_setup(struct device *dev) { } 261 #endif 262 263 #ifdef CONFIG_ARM64 264 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa); 265 #else 266 static inline void 267 acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { } 268 #endif 269 270 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma); 271 272 #ifndef PHYS_CPUID_INVALID 273 typedef u32 phys_cpuid_t; 274 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1) 275 #endif 276 277 static inline bool invalid_logical_cpuid(u32 cpuid) 278 { 279 return (int)cpuid < 0; 280 } 281 282 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id) 283 { 284 return phys_id == PHYS_CPUID_INVALID; 285 } 286 287 /* Validate the processor object's proc_id */ 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 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 313 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr); 314 #endif 315 316 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); 317 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); 318 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base); 319 void acpi_irq_stats_init(void); 320 extern u32 acpi_irq_handled; 321 extern u32 acpi_irq_not_handled; 322 extern unsigned int acpi_sci_irq; 323 extern bool acpi_no_s5; 324 #define INVALID_ACPI_IRQ ((unsigned)-1) 325 static inline bool acpi_sci_irq_valid(void) 326 { 327 return acpi_sci_irq != INVALID_ACPI_IRQ; 328 } 329 330 extern int sbf_port; 331 extern unsigned long acpi_realmode_flags; 332 333 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); 334 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 335 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); 336 337 void acpi_set_irq_model(enum acpi_irq_model_id model, 338 struct fwnode_handle *(*)(u32)); 339 void acpi_set_gsi_to_irq_fallback(u32 (*)(u32)); 340 341 struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags, 342 unsigned int size, 343 struct fwnode_handle *fwnode, 344 const struct irq_domain_ops *ops, 345 void *host_data); 346 347 #ifdef CONFIG_X86_IO_APIC 348 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); 349 #else 350 static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity) 351 { 352 return -1; 353 } 354 #endif 355 /* 356 * This function undoes the effect of one call to acpi_register_gsi(). 357 * If this matches the last registration, any IRQ resources for gsi 358 * are freed. 359 */ 360 void acpi_unregister_gsi (u32 gsi); 361 362 struct pci_dev; 363 364 int acpi_pci_irq_enable (struct pci_dev *dev); 365 void acpi_penalize_isa_irq(int irq, int active); 366 bool acpi_isa_irq_available(int irq); 367 #ifdef CONFIG_PCI 368 void acpi_penalize_sci_irq(int irq, int trigger, int polarity); 369 #else 370 static inline void acpi_penalize_sci_irq(int irq, int trigger, 371 int polarity) 372 { 373 } 374 #endif 375 void acpi_pci_irq_disable (struct pci_dev *dev); 376 377 extern int ec_read(u8 addr, u8 *val); 378 extern int ec_write(u8 addr, u8 val); 379 extern int ec_transaction(u8 command, 380 const u8 *wdata, unsigned wdata_len, 381 u8 *rdata, unsigned rdata_len); 382 extern acpi_handle ec_get_handle(void); 383 384 extern bool acpi_is_pnp_device(struct acpi_device *); 385 386 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 387 388 typedef void (*wmi_notify_handler) (u32 value, void *context); 389 390 int wmi_instance_count(const char *guid); 391 392 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 393 u32 method_id, 394 const struct acpi_buffer *in, 395 struct acpi_buffer *out); 396 extern acpi_status wmi_query_block(const char *guid, u8 instance, 397 struct acpi_buffer *out); 398 extern acpi_status wmi_set_block(const char *guid, u8 instance, 399 const struct acpi_buffer *in); 400 extern acpi_status wmi_install_notify_handler(const char *guid, 401 wmi_notify_handler handler, void *data); 402 extern acpi_status wmi_remove_notify_handler(const char *guid); 403 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); 404 extern bool wmi_has_guid(const char *guid); 405 extern char *wmi_get_acpi_device_uid(const char *guid); 406 407 #endif /* CONFIG_ACPI_WMI */ 408 409 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 410 #define ACPI_VIDEO_DEVICE_POSTING 0x0002 411 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004 412 #define ACPI_VIDEO_BACKLIGHT 0x0008 413 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 414 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 415 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 416 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 417 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 418 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 419 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 420 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 421 422 extern char acpi_video_backlight_string[]; 423 extern long acpi_is_video_device(acpi_handle handle); 424 extern int acpi_blacklisted(void); 425 extern void acpi_osi_setup(char *str); 426 extern bool acpi_osi_is_win8(void); 427 428 #ifdef CONFIG_ACPI_THERMAL_LIB 429 int thermal_acpi_active_trip_temp(struct acpi_device *adev, int id, int *ret_temp); 430 int thermal_acpi_passive_trip_temp(struct acpi_device *adev, int *ret_temp); 431 int thermal_acpi_hot_trip_temp(struct acpi_device *adev, int *ret_temp); 432 int thermal_acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp); 433 #endif 434 435 #ifdef CONFIG_ACPI_HMAT 436 int acpi_get_genport_coordinates(u32 uid, struct access_coordinate *coord); 437 #else 438 static inline int acpi_get_genport_coordinates(u32 uid, 439 struct access_coordinate *coord) 440 { 441 return -EOPNOTSUPP; 442 } 443 #endif 444 445 #ifdef CONFIG_ACPI_NUMA 446 int acpi_map_pxm_to_node(int pxm); 447 int acpi_get_node(acpi_handle handle); 448 449 /** 450 * pxm_to_online_node - Map proximity ID to online node 451 * @pxm: ACPI proximity ID 452 * 453 * This is similar to pxm_to_node(), but always returns an online 454 * node. When the mapped node from a given proximity ID is offline, it 455 * looks up the node distance table and returns the nearest online node. 456 * 457 * ACPI device drivers, which are called after the NUMA initialization has 458 * completed in the kernel, can call this interface to obtain their device 459 * NUMA topology from ACPI tables. Such drivers do not have to deal with 460 * offline nodes. A node may be offline when SRAT memory entry does not exist, 461 * or NUMA is disabled, ex. "numa=off" on x86. 462 */ 463 static inline int pxm_to_online_node(int pxm) 464 { 465 int node = pxm_to_node(pxm); 466 467 return numa_map_to_online_node(node); 468 } 469 #else 470 static inline int pxm_to_online_node(int pxm) 471 { 472 return 0; 473 } 474 static inline int acpi_map_pxm_to_node(int pxm) 475 { 476 return 0; 477 } 478 static inline int acpi_get_node(acpi_handle handle) 479 { 480 return 0; 481 } 482 #endif 483 extern int pnpacpi_disabled; 484 485 #define PXM_INVAL (-1) 486 487 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res); 488 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res); 489 bool acpi_dev_resource_address_space(struct acpi_resource *ares, 490 struct resource_win *win); 491 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, 492 struct resource_win *win); 493 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, u8 wake_capable); 494 unsigned int acpi_dev_get_irq_type(int triggering, int polarity); 495 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, 496 struct resource *res); 497 498 void acpi_dev_free_resource_list(struct list_head *list); 499 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, 500 int (*preproc)(struct acpi_resource *, void *), 501 void *preproc_data); 502 int acpi_dev_get_dma_resources(struct acpi_device *adev, 503 struct list_head *list); 504 int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list); 505 int acpi_dev_filter_resource_type(struct acpi_resource *ares, 506 unsigned long types); 507 508 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares, 509 void *arg) 510 { 511 return acpi_dev_filter_resource_type(ares, (unsigned long)arg); 512 } 513 514 struct acpi_device *acpi_resource_consumer(struct resource *res); 515 516 int acpi_check_resource_conflict(const struct resource *res); 517 518 int acpi_check_region(resource_size_t start, resource_size_t n, 519 const char *name); 520 521 int acpi_resources_are_enforced(void); 522 523 #ifdef CONFIG_HIBERNATION 524 extern int acpi_check_s4_hw_signature; 525 #endif 526 527 #ifdef CONFIG_PM_SLEEP 528 void __init acpi_old_suspend_ordering(void); 529 void __init acpi_nvs_nosave(void); 530 void __init acpi_nvs_nosave_s3(void); 531 void __init acpi_sleep_no_blacklist(void); 532 #endif /* CONFIG_PM_SLEEP */ 533 534 int acpi_register_wakeup_handler( 535 int wake_irq, bool (*wakeup)(void *context), void *context); 536 void acpi_unregister_wakeup_handler( 537 bool (*wakeup)(void *context), void *context); 538 539 struct acpi_osc_context { 540 char *uuid_str; /* UUID string */ 541 int rev; 542 struct acpi_buffer cap; /* list of DWORD capabilities */ 543 struct acpi_buffer ret; /* free by caller if success */ 544 }; 545 546 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); 547 548 /* Number of _OSC capability DWORDS depends on bridge type */ 549 #define OSC_PCI_CAPABILITY_DWORDS 3 550 #define OSC_CXL_CAPABILITY_DWORDS 5 551 552 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */ 553 #define OSC_QUERY_DWORD 0 /* DWORD 1 */ 554 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */ 555 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */ 556 #define OSC_EXT_SUPPORT_DWORD 3 /* DWORD 4 */ 557 #define OSC_EXT_CONTROL_DWORD 4 /* DWORD 5 */ 558 559 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */ 560 #define OSC_QUERY_ENABLE 0x00000001 /* input */ 561 #define OSC_REQUEST_ERROR 0x00000002 /* return */ 562 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */ 563 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */ 564 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */ 565 566 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */ 567 #define OSC_SB_PAD_SUPPORT 0x00000001 568 #define OSC_SB_PPC_OST_SUPPORT 0x00000002 569 #define OSC_SB_PR3_SUPPORT 0x00000004 570 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008 571 #define OSC_SB_APEI_SUPPORT 0x00000010 572 #define OSC_SB_CPC_SUPPORT 0x00000020 573 #define OSC_SB_CPCV2_SUPPORT 0x00000040 574 #define OSC_SB_PCLPI_SUPPORT 0x00000080 575 #define OSC_SB_OSLPI_SUPPORT 0x00000100 576 #define OSC_SB_FAST_THERMAL_SAMPLING_SUPPORT 0x00000200 577 #define OSC_SB_OVER_16_PSTATES_SUPPORT 0x00000400 578 #define OSC_SB_GED_SUPPORT 0x00000800 579 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 580 #define OSC_SB_IRQ_RESOURCE_SOURCE_SUPPORT 0x00002000 581 #define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000 582 #define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00020000 583 #define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000 584 #define OSC_SB_PRM_SUPPORT 0x00200000 585 #define OSC_SB_FFH_OPR_SUPPORT 0x00400000 586 587 extern bool osc_sb_apei_support_acked; 588 extern bool osc_pc_lpi_support_confirmed; 589 extern bool osc_sb_native_usb4_support_confirmed; 590 extern bool osc_sb_cppc2_support_acked; 591 extern bool osc_cpc_flexible_adr_space_confirmed; 592 593 /* USB4 Capabilities */ 594 #define OSC_USB_USB3_TUNNELING 0x00000001 595 #define OSC_USB_DP_TUNNELING 0x00000002 596 #define OSC_USB_PCIE_TUNNELING 0x00000004 597 #define OSC_USB_XDOMAIN 0x00000008 598 599 extern u32 osc_sb_native_usb4_control; 600 601 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */ 602 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001 603 #define OSC_PCI_ASPM_SUPPORT 0x00000002 604 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004 605 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008 606 #define OSC_PCI_MSI_SUPPORT 0x00000010 607 #define OSC_PCI_EDR_SUPPORT 0x00000080 608 #define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100 609 610 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */ 611 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001 612 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002 613 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004 614 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008 615 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010 616 #define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020 617 #define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080 618 619 /* CXL _OSC: Capabilities DWORD 4: Support Field */ 620 #define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT 0x00000001 621 #define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT 0x00000002 622 #define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT 0x00000004 623 #define OSC_CXL_NATIVE_HP_SUPPORT 0x00000008 624 625 /* CXL _OSC: Capabilities DWORD 5: Control Field */ 626 #define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001 627 628 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context) 629 { 630 u32 *ret = context->ret.pointer; 631 632 return ret[OSC_CONTROL_DWORD]; 633 } 634 635 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context) 636 { 637 u32 *ret = context->ret.pointer; 638 639 return ret[OSC_EXT_CONTROL_DWORD]; 640 } 641 642 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002 643 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004 644 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006 645 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008 646 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A 647 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B 648 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C 649 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D 650 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E 651 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F 652 653 /* Enable _OST when all relevant hotplug operations are enabled */ 654 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ 655 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \ 656 defined(CONFIG_ACPI_CONTAINER) 657 #define ACPI_HOTPLUG_OST 658 #endif 659 660 /* _OST Source Event Code (OSPM Action) */ 661 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100 662 #define ACPI_OST_EC_OSPM_EJECT 0x103 663 #define ACPI_OST_EC_OSPM_INSERTION 0x200 664 665 /* _OST General Processing Status Code */ 666 #define ACPI_OST_SC_SUCCESS 0x0 667 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1 668 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2 669 670 /* _OST OS Shutdown Processing (0x100) Status Code */ 671 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80 672 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81 673 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82 674 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83 675 676 /* _OST Ejection Request (0x3, 0x103) Status Code */ 677 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80 678 #define ACPI_OST_SC_DEVICE_IN_USE 0x81 679 #define ACPI_OST_SC_DEVICE_BUSY 0x82 680 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83 681 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84 682 683 /* _OST Insertion Request (0x200) Status Code */ 684 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80 685 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 686 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 687 688 enum acpi_predicate { 689 all_versions, 690 less_than_or_equal, 691 equal, 692 greater_than_or_equal, 693 }; 694 695 /* Table must be terminted by a NULL entry */ 696 struct acpi_platform_list { 697 char oem_id[ACPI_OEM_ID_SIZE+1]; 698 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1]; 699 u32 oem_revision; 700 char *table; 701 enum acpi_predicate pred; 702 char *reason; 703 u32 data; 704 }; 705 int acpi_match_platform_list(const struct acpi_platform_list *plat); 706 707 extern void acpi_early_init(void); 708 extern void acpi_subsystem_init(void); 709 710 extern int acpi_nvs_register(__u64 start, __u64 size); 711 712 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 713 void *data); 714 715 const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids, 716 const struct acpi_device *adev); 717 718 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, 719 const struct device *dev); 720 721 const void *acpi_device_get_match_data(const struct device *dev); 722 extern bool acpi_driver_match_device(struct device *dev, 723 const struct device_driver *drv); 724 int acpi_device_uevent_modalias(const struct device *, struct kobj_uevent_env *); 725 int acpi_device_modalias(struct device *, char *, int); 726 727 struct platform_device *acpi_create_platform_device(struct acpi_device *, 728 const struct property_entry *); 729 #define ACPI_PTR(_ptr) (_ptr) 730 731 static inline void acpi_device_set_enumerated(struct acpi_device *adev) 732 { 733 adev->flags.visited = true; 734 } 735 736 static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 737 { 738 adev->flags.visited = false; 739 } 740 741 enum acpi_reconfig_event { 742 ACPI_RECONFIG_DEVICE_ADD = 0, 743 ACPI_RECONFIG_DEVICE_REMOVE, 744 }; 745 746 int acpi_reconfig_notifier_register(struct notifier_block *nb); 747 int acpi_reconfig_notifier_unregister(struct notifier_block *nb); 748 749 #ifdef CONFIG_ACPI_GTDT 750 int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count); 751 int acpi_gtdt_map_ppi(int type); 752 bool acpi_gtdt_c3stop(int type); 753 int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count); 754 #endif 755 756 #ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER 757 static inline void acpi_arch_set_root_pointer(u64 addr) 758 { 759 } 760 #endif 761 762 #ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER 763 static inline u64 acpi_arch_get_root_pointer(void) 764 { 765 return 0; 766 } 767 #endif 768 769 int acpi_get_local_address(acpi_handle handle, u32 *addr); 770 const char *acpi_get_subsystem_id(acpi_handle handle); 771 772 #else /* !CONFIG_ACPI */ 773 774 #define acpi_disabled 1 775 776 #define ACPI_COMPANION(dev) (NULL) 777 #define ACPI_COMPANION_SET(dev, adev) do { } while (0) 778 #define ACPI_HANDLE(dev) (NULL) 779 #define ACPI_HANDLE_FWNODE(fwnode) (NULL) 780 781 /* Get rid of the -Wunused-variable for adev */ 782 #define acpi_dev_uid_match(adev, uid2) (adev && false) 783 #define acpi_dev_hid_uid_match(adev, hid2, uid2) (adev && false) 784 785 #include <acpi/acpi_numa.h> 786 787 struct fwnode_handle; 788 789 static inline bool acpi_dev_found(const char *hid) 790 { 791 return false; 792 } 793 794 static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv) 795 { 796 return false; 797 } 798 799 struct acpi_device; 800 801 static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer) 802 { 803 return -ENODEV; 804 } 805 806 static inline struct acpi_device * 807 acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv) 808 { 809 return NULL; 810 } 811 812 static inline bool acpi_reduced_hardware(void) 813 { 814 return false; 815 } 816 817 static inline void acpi_dev_put(struct acpi_device *adev) {} 818 819 static inline bool is_acpi_node(const struct fwnode_handle *fwnode) 820 { 821 return false; 822 } 823 824 static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode) 825 { 826 return false; 827 } 828 829 static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode) 830 { 831 return NULL; 832 } 833 834 static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode) 835 { 836 return false; 837 } 838 839 static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode) 840 { 841 return NULL; 842 } 843 844 static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode, 845 const char *name) 846 { 847 return false; 848 } 849 850 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) 851 { 852 return NULL; 853 } 854 855 static inline bool has_acpi_companion(struct device *dev) 856 { 857 return false; 858 } 859 860 static inline void acpi_preset_companion(struct device *dev, 861 struct acpi_device *parent, u64 addr) 862 { 863 } 864 865 static inline const char *acpi_dev_name(struct acpi_device *adev) 866 { 867 return NULL; 868 } 869 870 static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev) 871 { 872 return NULL; 873 } 874 875 static inline void acpi_early_init(void) { } 876 static inline void acpi_subsystem_init(void) { } 877 878 static inline int early_acpi_boot_init(void) 879 { 880 return 0; 881 } 882 static inline int acpi_boot_init(void) 883 { 884 return 0; 885 } 886 887 static inline void acpi_boot_table_prepare(void) 888 { 889 } 890 891 static inline void acpi_boot_table_init(void) 892 { 893 } 894 895 static inline int acpi_mps_check(void) 896 { 897 return 0; 898 } 899 900 static inline int acpi_check_resource_conflict(struct resource *res) 901 { 902 return 0; 903 } 904 905 static inline int acpi_check_region(resource_size_t start, resource_size_t n, 906 const char *name) 907 { 908 return 0; 909 } 910 911 struct acpi_table_header; 912 static inline int acpi_table_parse(char *id, 913 int (*handler)(struct acpi_table_header *)) 914 { 915 return -ENODEV; 916 } 917 918 static inline int acpi_nvs_register(__u64 start, __u64 size) 919 { 920 return 0; 921 } 922 923 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 924 void *data) 925 { 926 return 0; 927 } 928 929 struct acpi_device_id; 930 931 static inline const struct acpi_device_id *acpi_match_acpi_device( 932 const struct acpi_device_id *ids, const struct acpi_device *adev) 933 { 934 return NULL; 935 } 936 937 static inline const struct acpi_device_id *acpi_match_device( 938 const struct acpi_device_id *ids, const struct device *dev) 939 { 940 return NULL; 941 } 942 943 static inline const void *acpi_device_get_match_data(const struct device *dev) 944 { 945 return NULL; 946 } 947 948 static inline bool acpi_driver_match_device(struct device *dev, 949 const struct device_driver *drv) 950 { 951 return false; 952 } 953 954 static inline bool acpi_check_dsm(acpi_handle handle, const guid_t *guid, 955 u64 rev, u64 funcs) 956 { 957 return false; 958 } 959 960 static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle, 961 const guid_t *guid, 962 u64 rev, u64 func, 963 union acpi_object *argv4) 964 { 965 return NULL; 966 } 967 968 static inline union acpi_object *acpi_evaluate_dsm_typed(acpi_handle handle, 969 const guid_t *guid, 970 u64 rev, u64 func, 971 union acpi_object *argv4, 972 acpi_object_type type) 973 { 974 return NULL; 975 } 976 977 static inline int acpi_device_uevent_modalias(const struct device *dev, 978 struct kobj_uevent_env *env) 979 { 980 return -ENODEV; 981 } 982 983 static inline int acpi_device_modalias(struct device *dev, 984 char *buf, int size) 985 { 986 return -ENODEV; 987 } 988 989 static inline struct platform_device * 990 acpi_create_platform_device(struct acpi_device *adev, 991 const struct property_entry *properties) 992 { 993 return NULL; 994 } 995 996 static inline bool acpi_dma_supported(const struct acpi_device *adev) 997 { 998 return false; 999 } 1000 1001 static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev) 1002 { 1003 return DEV_DMA_NOT_SUPPORTED; 1004 } 1005 1006 static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map) 1007 { 1008 return -ENODEV; 1009 } 1010 1011 static inline int acpi_dma_configure(struct device *dev, 1012 enum dev_dma_attr attr) 1013 { 1014 return 0; 1015 } 1016 1017 static inline int acpi_dma_configure_id(struct device *dev, 1018 enum dev_dma_attr attr, 1019 const u32 *input_id) 1020 { 1021 return 0; 1022 } 1023 1024 #define ACPI_PTR(_ptr) (NULL) 1025 1026 static inline void acpi_device_set_enumerated(struct acpi_device *adev) 1027 { 1028 } 1029 1030 static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 1031 { 1032 } 1033 1034 static inline int acpi_reconfig_notifier_register(struct notifier_block *nb) 1035 { 1036 return -EINVAL; 1037 } 1038 1039 static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb) 1040 { 1041 return -EINVAL; 1042 } 1043 1044 static inline struct acpi_device *acpi_resource_consumer(struct resource *res) 1045 { 1046 return NULL; 1047 } 1048 1049 static inline int acpi_get_local_address(acpi_handle handle, u32 *addr) 1050 { 1051 return -ENODEV; 1052 } 1053 1054 static inline const char *acpi_get_subsystem_id(acpi_handle handle) 1055 { 1056 return ERR_PTR(-ENODEV); 1057 } 1058 1059 static inline int acpi_register_wakeup_handler(int wake_irq, 1060 bool (*wakeup)(void *context), void *context) 1061 { 1062 return -ENXIO; 1063 } 1064 1065 static inline void acpi_unregister_wakeup_handler( 1066 bool (*wakeup)(void *context), void *context) { } 1067 1068 struct acpi_osc_context; 1069 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context) 1070 { 1071 return 0; 1072 } 1073 1074 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context) 1075 { 1076 return 0; 1077 } 1078 1079 static inline bool acpi_sleep_state_supported(u8 sleep_state) 1080 { 1081 return false; 1082 } 1083 1084 #endif /* !CONFIG_ACPI */ 1085 1086 extern void arch_post_acpi_subsys_init(void); 1087 1088 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 1089 int acpi_ioapic_add(acpi_handle root); 1090 #else 1091 static inline int acpi_ioapic_add(acpi_handle root) { return 0; } 1092 #endif 1093 1094 #ifdef CONFIG_ACPI 1095 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, 1096 u32 pm1a_ctrl, u32 pm1b_ctrl)); 1097 1098 acpi_status acpi_os_prepare_sleep(u8 sleep_state, 1099 u32 pm1a_control, u32 pm1b_control); 1100 1101 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, 1102 u32 val_a, u32 val_b)); 1103 1104 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, 1105 u32 val_a, u32 val_b); 1106 #if defined(CONFIG_SUSPEND) && defined(CONFIG_X86) 1107 struct acpi_s2idle_dev_ops { 1108 struct list_head list_node; 1109 void (*prepare)(void); 1110 void (*check)(void); 1111 void (*restore)(void); 1112 }; 1113 int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg); 1114 void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg); 1115 int acpi_get_lps0_constraint(struct acpi_device *adev); 1116 #else /* CONFIG_SUSPEND && CONFIG_X86 */ 1117 static inline int acpi_get_lps0_constraint(struct device *dev) 1118 { 1119 return ACPI_STATE_UNKNOWN; 1120 } 1121 #endif /* CONFIG_SUSPEND && CONFIG_X86 */ 1122 void arch_reserve_mem_area(acpi_physical_address addr, size_t size); 1123 #else 1124 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) 1125 #endif 1126 1127 #if defined(CONFIG_ACPI) && defined(CONFIG_PM) 1128 int acpi_dev_suspend(struct device *dev, bool wakeup); 1129 int acpi_dev_resume(struct device *dev); 1130 int acpi_subsys_runtime_suspend(struct device *dev); 1131 int acpi_subsys_runtime_resume(struct device *dev); 1132 int acpi_dev_pm_attach(struct device *dev, bool power_on); 1133 bool acpi_storage_d3(struct device *dev); 1134 bool acpi_dev_state_d0(struct device *dev); 1135 #else 1136 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } 1137 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } 1138 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) 1139 { 1140 return 0; 1141 } 1142 static inline bool acpi_storage_d3(struct device *dev) 1143 { 1144 return false; 1145 } 1146 static inline bool acpi_dev_state_d0(struct device *dev) 1147 { 1148 return true; 1149 } 1150 #endif 1151 1152 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) 1153 int acpi_subsys_prepare(struct device *dev); 1154 void acpi_subsys_complete(struct device *dev); 1155 int acpi_subsys_suspend_late(struct device *dev); 1156 int acpi_subsys_suspend_noirq(struct device *dev); 1157 int acpi_subsys_suspend(struct device *dev); 1158 int acpi_subsys_freeze(struct device *dev); 1159 int acpi_subsys_poweroff(struct device *dev); 1160 void acpi_ec_mark_gpe_for_wake(void); 1161 void acpi_ec_set_gpe_wake_mask(u8 action); 1162 int acpi_subsys_restore_early(struct device *dev); 1163 #else 1164 static inline int acpi_subsys_prepare(struct device *dev) { return 0; } 1165 static inline void acpi_subsys_complete(struct device *dev) {} 1166 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } 1167 static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; } 1168 static inline int acpi_subsys_suspend(struct device *dev) { return 0; } 1169 static inline int acpi_subsys_freeze(struct device *dev) { return 0; } 1170 static inline int acpi_subsys_poweroff(struct device *dev) { return 0; } 1171 static inline int acpi_subsys_restore_early(struct device *dev) { return 0; } 1172 static inline void acpi_ec_mark_gpe_for_wake(void) {} 1173 static inline void acpi_ec_set_gpe_wake_mask(u8 action) {} 1174 #endif 1175 1176 #ifdef CONFIG_ACPI 1177 char *acpi_handle_path(acpi_handle handle); 1178 __printf(3, 4) 1179 void acpi_handle_printk(const char *level, acpi_handle handle, 1180 const char *fmt, ...); 1181 void acpi_evaluation_failure_warn(acpi_handle handle, const char *name, 1182 acpi_status status); 1183 #else /* !CONFIG_ACPI */ 1184 static inline __printf(3, 4) void 1185 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} 1186 static inline void acpi_evaluation_failure_warn(acpi_handle handle, 1187 const char *name, 1188 acpi_status status) {} 1189 #endif /* !CONFIG_ACPI */ 1190 1191 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) 1192 __printf(3, 4) 1193 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); 1194 #endif 1195 1196 /* 1197 * acpi_handle_<level>: Print message with ACPI prefix and object path 1198 * 1199 * These interfaces acquire the global namespace mutex to obtain an object 1200 * path. In interrupt context, it shows the object path as <n/a>. 1201 */ 1202 #define acpi_handle_emerg(handle, fmt, ...) \ 1203 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) 1204 #define acpi_handle_alert(handle, fmt, ...) \ 1205 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) 1206 #define acpi_handle_crit(handle, fmt, ...) \ 1207 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) 1208 #define acpi_handle_err(handle, fmt, ...) \ 1209 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) 1210 #define acpi_handle_warn(handle, fmt, ...) \ 1211 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) 1212 #define acpi_handle_notice(handle, fmt, ...) \ 1213 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) 1214 #define acpi_handle_info(handle, fmt, ...) \ 1215 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) 1216 1217 #if defined(DEBUG) 1218 #define acpi_handle_debug(handle, fmt, ...) \ 1219 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) 1220 #else 1221 #if defined(CONFIG_DYNAMIC_DEBUG) 1222 #define acpi_handle_debug(handle, fmt, ...) \ 1223 _dynamic_func_call(fmt, __acpi_handle_debug, \ 1224 handle, pr_fmt(fmt), ##__VA_ARGS__) 1225 #else 1226 #define acpi_handle_debug(handle, fmt, ...) \ 1227 ({ \ 1228 if (0) \ 1229 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ 1230 0; \ 1231 }) 1232 #endif 1233 #endif 1234 1235 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) 1236 bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1237 struct acpi_resource_gpio **agpio); 1238 bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1239 struct acpi_resource_gpio **agpio); 1240 int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name, int index, 1241 bool *wake_capable); 1242 #else 1243 static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1244 struct acpi_resource_gpio **agpio) 1245 { 1246 return false; 1247 } 1248 static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1249 struct acpi_resource_gpio **agpio) 1250 { 1251 return false; 1252 } 1253 static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name, 1254 int index, bool *wake_capable) 1255 { 1256 return -ENXIO; 1257 } 1258 #endif 1259 1260 static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index, 1261 bool *wake_capable) 1262 { 1263 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable); 1264 } 1265 1266 static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *name, 1267 int index) 1268 { 1269 return acpi_dev_gpio_irq_wake_get_by(adev, name, index, NULL); 1270 } 1271 1272 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) 1273 { 1274 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL); 1275 } 1276 1277 /* Device properties */ 1278 1279 #ifdef CONFIG_ACPI 1280 int acpi_dev_get_property(const struct acpi_device *adev, const char *name, 1281 acpi_object_type type, const union acpi_object **obj); 1282 int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1283 const char *name, size_t index, size_t num_args, 1284 struct fwnode_reference_args *args); 1285 1286 static inline int acpi_node_get_property_reference( 1287 const struct fwnode_handle *fwnode, 1288 const char *name, size_t index, 1289 struct fwnode_reference_args *args) 1290 { 1291 return __acpi_node_get_property_reference(fwnode, name, index, 1292 NR_FWNODE_REFERENCE_ARGS, args); 1293 } 1294 1295 static inline bool acpi_dev_has_props(const struct acpi_device *adev) 1296 { 1297 return !list_empty(&adev->data.properties); 1298 } 1299 1300 struct acpi_device_properties * 1301 acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid, 1302 union acpi_object *properties); 1303 1304 int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname, 1305 void **valptr); 1306 1307 struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1308 struct fwnode_handle *child); 1309 1310 struct acpi_probe_entry; 1311 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *, 1312 struct acpi_probe_entry *); 1313 1314 #define ACPI_TABLE_ID_LEN 5 1315 1316 /** 1317 * struct acpi_probe_entry - boot-time probing entry 1318 * @id: ACPI table name 1319 * @type: Optional subtable type to match 1320 * (if @id contains subtables) 1321 * @subtable_valid: Optional callback to check the validity of 1322 * the subtable 1323 * @probe_table: Callback to the driver being probed when table 1324 * match is successful 1325 * @probe_subtbl: Callback to the driver being probed when table and 1326 * subtable match (and optional callback is successful) 1327 * @driver_data: Sideband data provided back to the driver 1328 */ 1329 struct acpi_probe_entry { 1330 __u8 id[ACPI_TABLE_ID_LEN]; 1331 __u8 type; 1332 acpi_probe_entry_validate_subtbl subtable_valid; 1333 union { 1334 acpi_tbl_table_handler probe_table; 1335 acpi_tbl_entry_handler probe_subtbl; 1336 }; 1337 kernel_ulong_t driver_data; 1338 }; 1339 1340 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \ 1341 valid, data, fn) \ 1342 static const struct acpi_probe_entry __acpi_probe_##name \ 1343 __used __section("__" #table "_acpi_probe_table") = { \ 1344 .id = table_id, \ 1345 .type = subtable, \ 1346 .subtable_valid = valid, \ 1347 .probe_table = fn, \ 1348 .driver_data = data, \ 1349 } 1350 1351 #define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \ 1352 subtable, valid, data, fn) \ 1353 static const struct acpi_probe_entry __acpi_probe_##name \ 1354 __used __section("__" #table "_acpi_probe_table") = { \ 1355 .id = table_id, \ 1356 .type = subtable, \ 1357 .subtable_valid = valid, \ 1358 .probe_subtbl = fn, \ 1359 .driver_data = data, \ 1360 } 1361 1362 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table 1363 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end 1364 1365 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr); 1366 1367 #define acpi_probe_device_table(t) \ 1368 ({ \ 1369 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \ 1370 ACPI_PROBE_TABLE_END(t); \ 1371 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \ 1372 (&ACPI_PROBE_TABLE_END(t) - \ 1373 &ACPI_PROBE_TABLE(t))); \ 1374 }) 1375 #else 1376 static inline int acpi_dev_get_property(struct acpi_device *adev, 1377 const char *name, acpi_object_type type, 1378 const union acpi_object **obj) 1379 { 1380 return -ENXIO; 1381 } 1382 1383 static inline int 1384 __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1385 const char *name, size_t index, size_t num_args, 1386 struct fwnode_reference_args *args) 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, 1394 struct fwnode_reference_args *args) 1395 { 1396 return -ENXIO; 1397 } 1398 1399 static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode, 1400 const char *propname, 1401 void **valptr) 1402 { 1403 return -ENXIO; 1404 } 1405 1406 static inline struct fwnode_handle * 1407 acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1408 struct fwnode_handle *child) 1409 { 1410 return NULL; 1411 } 1412 1413 static inline struct fwnode_handle * 1414 acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode, 1415 struct fwnode_handle *prev) 1416 { 1417 return ERR_PTR(-ENXIO); 1418 } 1419 1420 static inline int 1421 acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode, 1422 struct fwnode_handle **remote, 1423 struct fwnode_handle **port, 1424 struct fwnode_handle **endpoint) 1425 { 1426 return -ENXIO; 1427 } 1428 1429 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ 1430 static const void * __acpi_table_##name[] \ 1431 __attribute__((unused)) \ 1432 = { (void *) table_id, \ 1433 (void *) subtable, \ 1434 (void *) valid, \ 1435 (void *) fn, \ 1436 (void *) data } 1437 1438 #define acpi_probe_device_table(t) ({ int __r = 0; __r;}) 1439 #endif 1440 1441 #ifdef CONFIG_ACPI_TABLE_UPGRADE 1442 void acpi_table_upgrade(void); 1443 #else 1444 static inline void acpi_table_upgrade(void) { } 1445 #endif 1446 1447 #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG) 1448 extern bool acpi_has_watchdog(void); 1449 #else 1450 static inline bool acpi_has_watchdog(void) { return false; } 1451 #endif 1452 1453 #ifdef CONFIG_ACPI_SPCR_TABLE 1454 extern bool qdf2400_e44_present; 1455 int acpi_parse_spcr(bool enable_earlycon, bool enable_console); 1456 #else 1457 static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console) 1458 { 1459 return 0; 1460 } 1461 #endif 1462 1463 #if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI) 1464 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res); 1465 #else 1466 static inline 1467 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res) 1468 { 1469 return -EINVAL; 1470 } 1471 #endif 1472 1473 #ifdef CONFIG_ACPI_LPIT 1474 int lpit_read_residency_count_address(u64 *address); 1475 #else 1476 static inline int lpit_read_residency_count_address(u64 *address) 1477 { 1478 return -EINVAL; 1479 } 1480 #endif 1481 1482 #ifdef CONFIG_ACPI_PROCESSOR_IDLE 1483 #ifndef arch_get_idle_state_flags 1484 static inline unsigned int arch_get_idle_state_flags(u32 arch_flags) 1485 { 1486 return 0; 1487 } 1488 #endif 1489 #endif /* CONFIG_ACPI_PROCESSOR_IDLE */ 1490 1491 #ifdef CONFIG_ACPI_PPTT 1492 int acpi_pptt_cpu_is_thread(unsigned int cpu); 1493 int find_acpi_cpu_topology(unsigned int cpu, int level); 1494 int find_acpi_cpu_topology_cluster(unsigned int cpu); 1495 int find_acpi_cpu_topology_package(unsigned int cpu); 1496 int find_acpi_cpu_topology_hetero_id(unsigned int cpu); 1497 #else 1498 static inline int acpi_pptt_cpu_is_thread(unsigned int cpu) 1499 { 1500 return -EINVAL; 1501 } 1502 static inline int find_acpi_cpu_topology(unsigned int cpu, int level) 1503 { 1504 return -EINVAL; 1505 } 1506 static inline int find_acpi_cpu_topology_cluster(unsigned int cpu) 1507 { 1508 return -EINVAL; 1509 } 1510 static inline int find_acpi_cpu_topology_package(unsigned int cpu) 1511 { 1512 return -EINVAL; 1513 } 1514 static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu) 1515 { 1516 return -EINVAL; 1517 } 1518 #endif 1519 1520 #ifdef CONFIG_ARM64 1521 void acpi_arm_init(void); 1522 #else 1523 static inline void acpi_arm_init(void) { } 1524 #endif 1525 1526 #ifdef CONFIG_ACPI_PCC 1527 void acpi_init_pcc(void); 1528 #else 1529 static inline void acpi_init_pcc(void) { } 1530 #endif 1531 1532 #ifdef CONFIG_ACPI_FFH 1533 void acpi_init_ffh(void); 1534 extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt, 1535 void **region_ctxt); 1536 extern int acpi_ffh_address_space_arch_handler(acpi_integer *value, 1537 void *region_context); 1538 #else 1539 static inline void acpi_init_ffh(void) { } 1540 #endif 1541 1542 #ifdef CONFIG_ACPI 1543 extern void acpi_device_notify(struct device *dev); 1544 extern void acpi_device_notify_remove(struct device *dev); 1545 #else 1546 static inline void acpi_device_notify(struct device *dev) { } 1547 static inline void acpi_device_notify_remove(struct device *dev) { } 1548 #endif 1549 1550 static inline void acpi_use_parent_companion(struct device *dev) 1551 { 1552 ACPI_COMPANION_SET(dev, ACPI_COMPANION(dev->parent)); 1553 } 1554 1555 #ifdef CONFIG_ACPI_HMAT 1556 int hmat_update_target_coordinates(int nid, struct access_coordinate *coord, 1557 enum access_coordinate_class access); 1558 #else 1559 static inline int hmat_update_target_coordinates(int nid, 1560 struct access_coordinate *coord, 1561 enum access_coordinate_class access) 1562 { 1563 return -EOPNOTSUPP; 1564 } 1565 #endif 1566 1567 #ifdef CONFIG_ACPI_NUMA 1568 bool acpi_node_backed_by_real_pxm(int nid); 1569 #else 1570 static inline bool acpi_node_backed_by_real_pxm(int nid) 1571 { 1572 return false; 1573 } 1574 #endif 1575 1576 #endif /*_LINUX_ACPI_H*/ 1577