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 19 struct irq_domain; 20 struct irq_domain_ops; 21 22 #ifndef _LINUX 23 #define _LINUX 24 #endif 25 #include <acpi/acpi.h> 26 27 #ifdef CONFIG_ACPI 28 29 #include <linux/list.h> 30 #include <linux/dynamic_debug.h> 31 #include <linux/module.h> 32 #include <linux/mutex.h> 33 34 #include <acpi/acpi_bus.h> 35 #include <acpi/acpi_drivers.h> 36 #include <acpi/acpi_numa.h> 37 #include <acpi/acpi_io.h> 38 #include <asm/acpi.h> 39 40 static inline acpi_handle acpi_device_handle(struct acpi_device *adev) 41 { 42 return adev ? adev->handle : NULL; 43 } 44 45 #define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode) 46 #define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \ 47 acpi_fwnode_handle(adev) : NULL) 48 #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev)) 49 #define ACPI_HANDLE_FWNODE(fwnode) \ 50 acpi_device_handle(to_acpi_device_node(fwnode)) 51 52 static inline struct fwnode_handle *acpi_alloc_fwnode_static(void) 53 { 54 struct fwnode_handle *fwnode; 55 56 fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL); 57 if (!fwnode) 58 return NULL; 59 60 fwnode_init(fwnode, &acpi_static_fwnode_ops); 61 62 return fwnode; 63 } 64 65 static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode) 66 { 67 if (WARN_ON(!is_acpi_static_node(fwnode))) 68 return; 69 70 kfree(fwnode); 71 } 72 73 /** 74 * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with 75 * the PCI-defined class-code information 76 * 77 * @_cls : the class, subclass, prog-if triple for this device 78 * @_msk : the class mask for this device 79 * 80 * This macro is used to create a struct acpi_device_id that matches a 81 * specific PCI class. The .id and .driver_data fields will be left 82 * initialized with the default value. 83 */ 84 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (_cls), .cls_msk = (_msk), 85 86 static inline bool has_acpi_companion(struct device *dev) 87 { 88 return is_acpi_device_node(dev->fwnode); 89 } 90 91 static inline void acpi_preset_companion(struct device *dev, 92 struct acpi_device *parent, u64 addr) 93 { 94 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false)); 95 } 96 97 static inline const char *acpi_dev_name(struct acpi_device *adev) 98 { 99 return dev_name(&adev->dev); 100 } 101 102 struct device *acpi_get_first_physical_node(struct acpi_device *adev); 103 104 enum acpi_irq_model_id { 105 ACPI_IRQ_MODEL_PIC = 0, 106 ACPI_IRQ_MODEL_IOAPIC, 107 ACPI_IRQ_MODEL_IOSAPIC, 108 ACPI_IRQ_MODEL_PLATFORM, 109 ACPI_IRQ_MODEL_GIC, 110 ACPI_IRQ_MODEL_LPIC, 111 ACPI_IRQ_MODEL_COUNT 112 }; 113 114 extern enum acpi_irq_model_id acpi_irq_model; 115 116 enum acpi_interrupt_id { 117 ACPI_INTERRUPT_PMI = 1, 118 ACPI_INTERRUPT_INIT, 119 ACPI_INTERRUPT_CPEI, 120 ACPI_INTERRUPT_COUNT 121 }; 122 123 #define ACPI_SPACE_MEM 0 124 125 enum acpi_address_range_id { 126 ACPI_ADDRESS_RANGE_MEMORY = 1, 127 ACPI_ADDRESS_RANGE_RESERVED = 2, 128 ACPI_ADDRESS_RANGE_ACPI = 3, 129 ACPI_ADDRESS_RANGE_NVS = 4, 130 ACPI_ADDRESS_RANGE_COUNT 131 }; 132 133 134 /* Table Handlers */ 135 union acpi_subtable_headers { 136 struct acpi_subtable_header common; 137 struct acpi_hmat_structure hmat; 138 struct acpi_prmt_module_header prmt; 139 struct acpi_cedt_header cedt; 140 }; 141 142 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table); 143 144 typedef int (*acpi_tbl_entry_handler)(union acpi_subtable_headers *header, 145 const unsigned long end); 146 147 typedef int (*acpi_tbl_entry_handler_arg)(union acpi_subtable_headers *header, 148 void *arg, const unsigned long end); 149 150 /* Debugger support */ 151 152 struct acpi_debugger_ops { 153 int (*create_thread)(acpi_osd_exec_callback function, void *context); 154 ssize_t (*write_log)(const char *msg); 155 ssize_t (*read_cmd)(char *buffer, size_t length); 156 int (*wait_command_ready)(bool single_step, char *buffer, size_t length); 157 int (*notify_command_complete)(void); 158 }; 159 160 struct acpi_debugger { 161 const struct acpi_debugger_ops *ops; 162 struct module *owner; 163 struct mutex lock; 164 }; 165 166 #ifdef CONFIG_ACPI_DEBUGGER 167 int __init acpi_debugger_init(void); 168 int acpi_register_debugger(struct module *owner, 169 const struct acpi_debugger_ops *ops); 170 void acpi_unregister_debugger(const struct acpi_debugger_ops *ops); 171 int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context); 172 ssize_t acpi_debugger_write_log(const char *msg); 173 ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length); 174 int acpi_debugger_wait_command_ready(void); 175 int acpi_debugger_notify_command_complete(void); 176 #else 177 static inline int acpi_debugger_init(void) 178 { 179 return -ENODEV; 180 } 181 182 static inline int acpi_register_debugger(struct module *owner, 183 const struct acpi_debugger_ops *ops) 184 { 185 return -ENODEV; 186 } 187 188 static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops) 189 { 190 } 191 192 static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function, 193 void *context) 194 { 195 return -ENODEV; 196 } 197 198 static inline int acpi_debugger_write_log(const char *msg) 199 { 200 return -ENODEV; 201 } 202 203 static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length) 204 { 205 return -ENODEV; 206 } 207 208 static inline int acpi_debugger_wait_command_ready(void) 209 { 210 return -ENODEV; 211 } 212 213 static inline int acpi_debugger_notify_command_complete(void) 214 { 215 return -ENODEV; 216 } 217 #endif 218 219 #define BAD_MADT_ENTRY(entry, end) ( \ 220 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \ 221 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry)) 222 223 struct acpi_subtable_proc { 224 int id; 225 acpi_tbl_entry_handler handler; 226 acpi_tbl_entry_handler_arg handler_arg; 227 void *arg; 228 int count; 229 }; 230 231 void __iomem *__acpi_map_table(unsigned long phys, unsigned long size); 232 void __acpi_unmap_table(void __iomem *map, unsigned long size); 233 int early_acpi_boot_init(void); 234 int acpi_boot_init (void); 235 void acpi_boot_table_prepare (void); 236 void acpi_boot_table_init (void); 237 int acpi_mps_check (void); 238 int acpi_numa_init (void); 239 240 int acpi_locate_initial_tables (void); 241 void acpi_reserve_initial_tables (void); 242 void acpi_table_init_complete (void); 243 int acpi_table_init (void); 244 245 #ifdef CONFIG_ACPI_TABLE_LIB 246 #define EXPORT_SYMBOL_ACPI_LIB(x) EXPORT_SYMBOL_NS_GPL(x, ACPI) 247 #define __init_or_acpilib 248 #define __initdata_or_acpilib 249 #else 250 #define EXPORT_SYMBOL_ACPI_LIB(x) 251 #define __init_or_acpilib __init 252 #define __initdata_or_acpilib __initdata 253 #endif 254 255 int acpi_table_parse(char *id, acpi_tbl_table_handler handler); 256 int __init_or_acpilib acpi_table_parse_entries(char *id, 257 unsigned long table_size, int entry_id, 258 acpi_tbl_entry_handler handler, unsigned int max_entries); 259 int __init_or_acpilib acpi_table_parse_entries_array(char *id, 260 unsigned long table_size, struct acpi_subtable_proc *proc, 261 int proc_num, unsigned int max_entries); 262 int acpi_table_parse_madt(enum acpi_madt_type id, 263 acpi_tbl_entry_handler handler, 264 unsigned int max_entries); 265 int __init_or_acpilib 266 acpi_table_parse_cedt(enum acpi_cedt_type id, 267 acpi_tbl_entry_handler_arg handler_arg, void *arg); 268 269 int acpi_parse_mcfg (struct acpi_table_header *header); 270 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); 271 272 /* the following numa functions are architecture-dependent */ 273 void acpi_numa_slit_init (struct acpi_table_slit *slit); 274 275 #if defined(CONFIG_X86) || defined(CONFIG_IA64) || defined(CONFIG_LOONGARCH) 276 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); 277 #else 278 static inline void 279 acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { } 280 #endif 281 282 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); 283 284 #if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH) 285 void acpi_arch_dma_setup(struct device *dev); 286 #else 287 static inline void acpi_arch_dma_setup(struct device *dev) { } 288 #endif 289 290 #ifdef CONFIG_ARM64 291 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa); 292 #else 293 static inline void 294 acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { } 295 #endif 296 297 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma); 298 299 #ifndef PHYS_CPUID_INVALID 300 typedef u32 phys_cpuid_t; 301 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1) 302 #endif 303 304 static inline bool invalid_logical_cpuid(u32 cpuid) 305 { 306 return (int)cpuid < 0; 307 } 308 309 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id) 310 { 311 return phys_id == PHYS_CPUID_INVALID; 312 } 313 314 /* Validate the processor object's proc_id */ 315 bool acpi_duplicate_processor_id(int proc_id); 316 /* Processor _CTS control */ 317 struct acpi_processor_power; 318 319 #ifdef CONFIG_ACPI_PROCESSOR_CSTATE 320 bool acpi_processor_claim_cst_control(void); 321 int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, 322 struct acpi_processor_power *info); 323 #else 324 static inline bool acpi_processor_claim_cst_control(void) { return false; } 325 static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, 326 struct acpi_processor_power *info) 327 { 328 return -ENODEV; 329 } 330 #endif 331 332 #ifdef CONFIG_ACPI_HOTPLUG_CPU 333 /* Arch dependent functions for cpu hotplug support */ 334 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id, 335 int *pcpu); 336 int acpi_unmap_cpu(int cpu); 337 #endif /* CONFIG_ACPI_HOTPLUG_CPU */ 338 339 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 340 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr); 341 #endif 342 343 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); 344 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); 345 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base); 346 void acpi_irq_stats_init(void); 347 extern u32 acpi_irq_handled; 348 extern u32 acpi_irq_not_handled; 349 extern unsigned int acpi_sci_irq; 350 extern bool acpi_no_s5; 351 #define INVALID_ACPI_IRQ ((unsigned)-1) 352 static inline bool acpi_sci_irq_valid(void) 353 { 354 return acpi_sci_irq != INVALID_ACPI_IRQ; 355 } 356 357 extern int sbf_port; 358 extern unsigned long acpi_realmode_flags; 359 360 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); 361 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 362 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); 363 364 void acpi_set_irq_model(enum acpi_irq_model_id model, 365 struct fwnode_handle *(*)(u32)); 366 void acpi_set_gsi_to_irq_fallback(u32 (*)(u32)); 367 368 struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags, 369 unsigned int size, 370 struct fwnode_handle *fwnode, 371 const struct irq_domain_ops *ops, 372 void *host_data); 373 374 #ifdef CONFIG_X86_IO_APIC 375 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); 376 #else 377 static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity) 378 { 379 return -1; 380 } 381 #endif 382 /* 383 * This function undoes the effect of one call to acpi_register_gsi(). 384 * If this matches the last registration, any IRQ resources for gsi 385 * are freed. 386 */ 387 void acpi_unregister_gsi (u32 gsi); 388 389 struct pci_dev; 390 391 int acpi_pci_irq_enable (struct pci_dev *dev); 392 void acpi_penalize_isa_irq(int irq, int active); 393 bool acpi_isa_irq_available(int irq); 394 #ifdef CONFIG_PCI 395 void acpi_penalize_sci_irq(int irq, int trigger, int polarity); 396 #else 397 static inline void acpi_penalize_sci_irq(int irq, int trigger, 398 int polarity) 399 { 400 } 401 #endif 402 void acpi_pci_irq_disable (struct pci_dev *dev); 403 404 extern int ec_read(u8 addr, u8 *val); 405 extern int ec_write(u8 addr, u8 val); 406 extern int ec_transaction(u8 command, 407 const u8 *wdata, unsigned wdata_len, 408 u8 *rdata, unsigned rdata_len); 409 extern acpi_handle ec_get_handle(void); 410 411 extern bool acpi_is_pnp_device(struct acpi_device *); 412 413 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 414 415 typedef void (*wmi_notify_handler) (u32 value, void *context); 416 417 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 418 u32 method_id, 419 const struct acpi_buffer *in, 420 struct acpi_buffer *out); 421 extern acpi_status wmi_query_block(const char *guid, u8 instance, 422 struct acpi_buffer *out); 423 extern acpi_status wmi_set_block(const char *guid, u8 instance, 424 const struct acpi_buffer *in); 425 extern acpi_status wmi_install_notify_handler(const char *guid, 426 wmi_notify_handler handler, void *data); 427 extern acpi_status wmi_remove_notify_handler(const char *guid); 428 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); 429 extern bool wmi_has_guid(const char *guid); 430 extern char *wmi_get_acpi_device_uid(const char *guid); 431 432 #endif /* CONFIG_ACPI_WMI */ 433 434 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 435 #define ACPI_VIDEO_DEVICE_POSTING 0x0002 436 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004 437 #define ACPI_VIDEO_BACKLIGHT 0x0008 438 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 439 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 440 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 441 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 442 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 443 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 444 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 445 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 446 447 extern char acpi_video_backlight_string[]; 448 extern long acpi_is_video_device(acpi_handle handle); 449 extern int acpi_blacklisted(void); 450 extern void acpi_osi_setup(char *str); 451 extern bool acpi_osi_is_win8(void); 452 453 #ifdef CONFIG_ACPI_NUMA 454 int acpi_map_pxm_to_node(int pxm); 455 int acpi_get_node(acpi_handle handle); 456 457 /** 458 * pxm_to_online_node - Map proximity ID to online node 459 * @pxm: ACPI proximity ID 460 * 461 * This is similar to pxm_to_node(), but always returns an online 462 * node. When the mapped node from a given proximity ID is offline, it 463 * looks up the node distance table and returns the nearest online node. 464 * 465 * ACPI device drivers, which are called after the NUMA initialization has 466 * completed in the kernel, can call this interface to obtain their device 467 * NUMA topology from ACPI tables. Such drivers do not have to deal with 468 * offline nodes. A node may be offline when SRAT memory entry does not exist, 469 * or NUMA is disabled, ex. "numa=off" on x86. 470 */ 471 static inline int pxm_to_online_node(int pxm) 472 { 473 int node = pxm_to_node(pxm); 474 475 return numa_map_to_online_node(node); 476 } 477 #else 478 static inline int pxm_to_online_node(int pxm) 479 { 480 return 0; 481 } 482 static inline int acpi_map_pxm_to_node(int pxm) 483 { 484 return 0; 485 } 486 static inline int acpi_get_node(acpi_handle handle) 487 { 488 return 0; 489 } 490 #endif 491 extern int acpi_paddr_to_node(u64 start_addr, u64 size); 492 493 extern int pnpacpi_disabled; 494 495 #define PXM_INVAL (-1) 496 497 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res); 498 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res); 499 bool acpi_dev_resource_address_space(struct acpi_resource *ares, 500 struct resource_win *win); 501 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, 502 struct resource_win *win); 503 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, u8 wake_capable); 504 unsigned int acpi_dev_get_irq_type(int triggering, int polarity); 505 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, 506 struct resource *res); 507 508 void acpi_dev_free_resource_list(struct list_head *list); 509 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, 510 int (*preproc)(struct acpi_resource *, void *), 511 void *preproc_data); 512 int acpi_dev_get_dma_resources(struct acpi_device *adev, 513 struct list_head *list); 514 int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list); 515 int acpi_dev_filter_resource_type(struct acpi_resource *ares, 516 unsigned long types); 517 518 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares, 519 void *arg) 520 { 521 return acpi_dev_filter_resource_type(ares, (unsigned long)arg); 522 } 523 524 struct acpi_device *acpi_resource_consumer(struct resource *res); 525 526 int acpi_check_resource_conflict(const struct resource *res); 527 528 int acpi_check_region(resource_size_t start, resource_size_t n, 529 const char *name); 530 531 int acpi_resources_are_enforced(void); 532 533 #ifdef CONFIG_HIBERNATION 534 extern int acpi_check_s4_hw_signature; 535 #endif 536 537 #ifdef CONFIG_PM_SLEEP 538 void __init acpi_old_suspend_ordering(void); 539 void __init acpi_nvs_nosave(void); 540 void __init acpi_nvs_nosave_s3(void); 541 void __init acpi_sleep_no_blacklist(void); 542 #endif /* CONFIG_PM_SLEEP */ 543 544 int acpi_register_wakeup_handler( 545 int wake_irq, bool (*wakeup)(void *context), void *context); 546 void acpi_unregister_wakeup_handler( 547 bool (*wakeup)(void *context), void *context); 548 549 struct acpi_osc_context { 550 char *uuid_str; /* UUID string */ 551 int rev; 552 struct acpi_buffer cap; /* list of DWORD capabilities */ 553 struct acpi_buffer ret; /* free by caller if success */ 554 }; 555 556 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); 557 558 /* Number of _OSC capability DWORDS depends on bridge type */ 559 #define OSC_PCI_CAPABILITY_DWORDS 3 560 #define OSC_CXL_CAPABILITY_DWORDS 5 561 562 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */ 563 #define OSC_QUERY_DWORD 0 /* DWORD 1 */ 564 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */ 565 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */ 566 #define OSC_EXT_SUPPORT_DWORD 3 /* DWORD 4 */ 567 #define OSC_EXT_CONTROL_DWORD 4 /* DWORD 5 */ 568 569 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */ 570 #define OSC_QUERY_ENABLE 0x00000001 /* input */ 571 #define OSC_REQUEST_ERROR 0x00000002 /* return */ 572 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */ 573 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */ 574 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */ 575 576 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */ 577 #define OSC_SB_PAD_SUPPORT 0x00000001 578 #define OSC_SB_PPC_OST_SUPPORT 0x00000002 579 #define OSC_SB_PR3_SUPPORT 0x00000004 580 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008 581 #define OSC_SB_APEI_SUPPORT 0x00000010 582 #define OSC_SB_CPC_SUPPORT 0x00000020 583 #define OSC_SB_CPCV2_SUPPORT 0x00000040 584 #define OSC_SB_PCLPI_SUPPORT 0x00000080 585 #define OSC_SB_OSLPI_SUPPORT 0x00000100 586 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 587 #define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00002000 588 #define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000 589 #define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000 590 #define OSC_SB_PRM_SUPPORT 0x00200000 591 #define OSC_SB_FFH_OPR_SUPPORT 0x00400000 592 593 extern bool osc_sb_apei_support_acked; 594 extern bool osc_pc_lpi_support_confirmed; 595 extern bool osc_sb_native_usb4_support_confirmed; 596 extern bool osc_sb_cppc2_support_acked; 597 extern bool osc_cpc_flexible_adr_space_confirmed; 598 599 /* USB4 Capabilities */ 600 #define OSC_USB_USB3_TUNNELING 0x00000001 601 #define OSC_USB_DP_TUNNELING 0x00000002 602 #define OSC_USB_PCIE_TUNNELING 0x00000004 603 #define OSC_USB_XDOMAIN 0x00000008 604 605 extern u32 osc_sb_native_usb4_control; 606 607 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */ 608 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001 609 #define OSC_PCI_ASPM_SUPPORT 0x00000002 610 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004 611 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008 612 #define OSC_PCI_MSI_SUPPORT 0x00000010 613 #define OSC_PCI_EDR_SUPPORT 0x00000080 614 #define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100 615 616 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */ 617 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001 618 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002 619 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004 620 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008 621 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010 622 #define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020 623 #define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080 624 625 /* CXL _OSC: Capabilities DWORD 4: Support Field */ 626 #define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT 0x00000001 627 #define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT 0x00000002 628 #define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT 0x00000004 629 #define OSC_CXL_NATIVE_HP_SUPPORT 0x00000008 630 631 /* CXL _OSC: Capabilities DWORD 5: Control Field */ 632 #define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001 633 634 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context) 635 { 636 u32 *ret = context->ret.pointer; 637 638 return ret[OSC_CONTROL_DWORD]; 639 } 640 641 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context) 642 { 643 u32 *ret = context->ret.pointer; 644 645 return ret[OSC_EXT_CONTROL_DWORD]; 646 } 647 648 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002 649 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004 650 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006 651 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008 652 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A 653 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B 654 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C 655 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D 656 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E 657 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F 658 659 /* Enable _OST when all relevant hotplug operations are enabled */ 660 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ 661 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \ 662 defined(CONFIG_ACPI_CONTAINER) 663 #define ACPI_HOTPLUG_OST 664 #endif 665 666 /* _OST Source Event Code (OSPM Action) */ 667 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100 668 #define ACPI_OST_EC_OSPM_EJECT 0x103 669 #define ACPI_OST_EC_OSPM_INSERTION 0x200 670 671 /* _OST General Processing Status Code */ 672 #define ACPI_OST_SC_SUCCESS 0x0 673 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1 674 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2 675 676 /* _OST OS Shutdown Processing (0x100) Status Code */ 677 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80 678 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81 679 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82 680 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83 681 682 /* _OST Ejection Request (0x3, 0x103) Status Code */ 683 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80 684 #define ACPI_OST_SC_DEVICE_IN_USE 0x81 685 #define ACPI_OST_SC_DEVICE_BUSY 0x82 686 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83 687 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84 688 689 /* _OST Insertion Request (0x200) Status Code */ 690 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80 691 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 692 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 693 694 enum acpi_predicate { 695 all_versions, 696 less_than_or_equal, 697 equal, 698 greater_than_or_equal, 699 }; 700 701 /* Table must be terminted by a NULL entry */ 702 struct acpi_platform_list { 703 char oem_id[ACPI_OEM_ID_SIZE+1]; 704 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1]; 705 u32 oem_revision; 706 char *table; 707 enum acpi_predicate pred; 708 char *reason; 709 u32 data; 710 }; 711 int acpi_match_platform_list(const struct acpi_platform_list *plat); 712 713 extern void acpi_early_init(void); 714 extern void acpi_subsystem_init(void); 715 716 extern int acpi_nvs_register(__u64 start, __u64 size); 717 718 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 719 void *data); 720 721 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, 722 const struct device *dev); 723 724 const void *acpi_device_get_match_data(const struct device *dev); 725 extern bool acpi_driver_match_device(struct device *dev, 726 const struct device_driver *drv); 727 int acpi_device_uevent_modalias(const struct device *, struct kobj_uevent_env *); 728 int acpi_device_modalias(struct device *, char *, int); 729 730 struct platform_device *acpi_create_platform_device(struct acpi_device *, 731 const struct property_entry *); 732 #define ACPI_PTR(_ptr) (_ptr) 733 734 static inline void acpi_device_set_enumerated(struct acpi_device *adev) 735 { 736 adev->flags.visited = true; 737 } 738 739 static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 740 { 741 adev->flags.visited = false; 742 } 743 744 enum acpi_reconfig_event { 745 ACPI_RECONFIG_DEVICE_ADD = 0, 746 ACPI_RECONFIG_DEVICE_REMOVE, 747 }; 748 749 int acpi_reconfig_notifier_register(struct notifier_block *nb); 750 int acpi_reconfig_notifier_unregister(struct notifier_block *nb); 751 752 #ifdef CONFIG_ACPI_GTDT 753 int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count); 754 int acpi_gtdt_map_ppi(int type); 755 bool acpi_gtdt_c3stop(int type); 756 int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count); 757 #endif 758 759 #ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER 760 static inline void acpi_arch_set_root_pointer(u64 addr) 761 { 762 } 763 #endif 764 765 #ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER 766 static inline u64 acpi_arch_get_root_pointer(void) 767 { 768 return 0; 769 } 770 #endif 771 772 int acpi_get_local_address(acpi_handle handle, u32 *addr); 773 const char *acpi_get_subsystem_id(acpi_handle handle); 774 775 #else /* !CONFIG_ACPI */ 776 777 #define acpi_disabled 1 778 779 #define ACPI_COMPANION(dev) (NULL) 780 #define ACPI_COMPANION_SET(dev, adev) do { } while (0) 781 #define ACPI_HANDLE(dev) (NULL) 782 #define ACPI_HANDLE_FWNODE(fwnode) (NULL) 783 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0), 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 bool 802 acpi_dev_hid_uid_match(struct acpi_device *adev, const char *hid2, const char *uid2) 803 { 804 return false; 805 } 806 807 static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer) 808 { 809 return -ENODEV; 810 } 811 812 static inline struct acpi_device * 813 acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv) 814 { 815 return NULL; 816 } 817 818 static inline bool acpi_reduced_hardware(void) 819 { 820 return false; 821 } 822 823 static inline void acpi_dev_put(struct acpi_device *adev) {} 824 825 static inline bool is_acpi_node(const struct fwnode_handle *fwnode) 826 { 827 return false; 828 } 829 830 static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode) 831 { 832 return false; 833 } 834 835 static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode) 836 { 837 return NULL; 838 } 839 840 static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode) 841 { 842 return false; 843 } 844 845 static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode) 846 { 847 return NULL; 848 } 849 850 static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode, 851 const char *name) 852 { 853 return false; 854 } 855 856 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) 857 { 858 return NULL; 859 } 860 861 static inline bool has_acpi_companion(struct device *dev) 862 { 863 return false; 864 } 865 866 static inline void acpi_preset_companion(struct device *dev, 867 struct acpi_device *parent, u64 addr) 868 { 869 } 870 871 static inline const char *acpi_dev_name(struct acpi_device *adev) 872 { 873 return NULL; 874 } 875 876 static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev) 877 { 878 return NULL; 879 } 880 881 static inline void acpi_early_init(void) { } 882 static inline void acpi_subsystem_init(void) { } 883 884 static inline int early_acpi_boot_init(void) 885 { 886 return 0; 887 } 888 static inline int acpi_boot_init(void) 889 { 890 return 0; 891 } 892 893 static inline void acpi_boot_table_prepare(void) 894 { 895 } 896 897 static inline void acpi_boot_table_init(void) 898 { 899 } 900 901 static inline int acpi_mps_check(void) 902 { 903 return 0; 904 } 905 906 static inline int acpi_check_resource_conflict(struct resource *res) 907 { 908 return 0; 909 } 910 911 static inline int acpi_check_region(resource_size_t start, resource_size_t n, 912 const char *name) 913 { 914 return 0; 915 } 916 917 struct acpi_table_header; 918 static inline int acpi_table_parse(char *id, 919 int (*handler)(struct acpi_table_header *)) 920 { 921 return -ENODEV; 922 } 923 924 static inline int acpi_nvs_register(__u64 start, __u64 size) 925 { 926 return 0; 927 } 928 929 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 930 void *data) 931 { 932 return 0; 933 } 934 935 struct acpi_device_id; 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 #ifdef 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 #endif /* CONFIG_X86 */ 1116 #ifndef CONFIG_IA64 1117 void arch_reserve_mem_area(acpi_physical_address addr, size_t size); 1118 #else 1119 static inline void arch_reserve_mem_area(acpi_physical_address addr, 1120 size_t size) 1121 { 1122 } 1123 #endif /* CONFIG_X86 */ 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 __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_PPTT 1483 int acpi_pptt_cpu_is_thread(unsigned int cpu); 1484 int find_acpi_cpu_topology(unsigned int cpu, int level); 1485 int find_acpi_cpu_topology_cluster(unsigned int cpu); 1486 int find_acpi_cpu_topology_package(unsigned int cpu); 1487 int find_acpi_cpu_topology_hetero_id(unsigned int cpu); 1488 #else 1489 static inline int acpi_pptt_cpu_is_thread(unsigned int cpu) 1490 { 1491 return -EINVAL; 1492 } 1493 static inline int find_acpi_cpu_topology(unsigned int cpu, int level) 1494 { 1495 return -EINVAL; 1496 } 1497 static inline int find_acpi_cpu_topology_cluster(unsigned int cpu) 1498 { 1499 return -EINVAL; 1500 } 1501 static inline int find_acpi_cpu_topology_package(unsigned int cpu) 1502 { 1503 return -EINVAL; 1504 } 1505 static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu) 1506 { 1507 return -EINVAL; 1508 } 1509 #endif 1510 1511 #ifdef CONFIG_ARM64 1512 void acpi_arm_init(void); 1513 #else 1514 static inline void acpi_arm_init(void) { } 1515 #endif 1516 1517 #ifdef CONFIG_ACPI_PCC 1518 void acpi_init_pcc(void); 1519 #else 1520 static inline void acpi_init_pcc(void) { } 1521 #endif 1522 1523 #ifdef CONFIG_ACPI_FFH 1524 void acpi_init_ffh(void); 1525 extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt, 1526 void **region_ctxt); 1527 extern int acpi_ffh_address_space_arch_handler(acpi_integer *value, 1528 void *region_context); 1529 #else 1530 static inline void acpi_init_ffh(void) { } 1531 #endif 1532 1533 #ifdef CONFIG_ACPI 1534 extern void acpi_device_notify(struct device *dev); 1535 extern void acpi_device_notify_remove(struct device *dev); 1536 #else 1537 static inline void acpi_device_notify(struct device *dev) { } 1538 static inline void acpi_device_notify_remove(struct device *dev) { } 1539 #endif 1540 1541 #endif /*_LINUX_ACPI_H*/ 1542