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 static inline bool has_acpi_companion(struct device *dev) 74 { 75 return is_acpi_device_node(dev->fwnode); 76 } 77 78 static inline void acpi_preset_companion(struct device *dev, 79 struct acpi_device *parent, u64 addr) 80 { 81 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false)); 82 } 83 84 static inline const char *acpi_dev_name(struct acpi_device *adev) 85 { 86 return dev_name(&adev->dev); 87 } 88 89 struct device *acpi_get_first_physical_node(struct acpi_device *adev); 90 91 enum acpi_irq_model_id { 92 ACPI_IRQ_MODEL_PIC = 0, 93 ACPI_IRQ_MODEL_IOAPIC, 94 ACPI_IRQ_MODEL_IOSAPIC, 95 ACPI_IRQ_MODEL_PLATFORM, 96 ACPI_IRQ_MODEL_GIC, 97 ACPI_IRQ_MODEL_LPIC, 98 ACPI_IRQ_MODEL_COUNT 99 }; 100 101 extern enum acpi_irq_model_id acpi_irq_model; 102 103 enum acpi_interrupt_id { 104 ACPI_INTERRUPT_PMI = 1, 105 ACPI_INTERRUPT_INIT, 106 ACPI_INTERRUPT_CPEI, 107 ACPI_INTERRUPT_COUNT 108 }; 109 110 #define ACPI_SPACE_MEM 0 111 112 enum acpi_address_range_id { 113 ACPI_ADDRESS_RANGE_MEMORY = 1, 114 ACPI_ADDRESS_RANGE_RESERVED = 2, 115 ACPI_ADDRESS_RANGE_ACPI = 3, 116 ACPI_ADDRESS_RANGE_NVS = 4, 117 ACPI_ADDRESS_RANGE_COUNT 118 }; 119 120 121 /* Table Handlers */ 122 union acpi_subtable_headers { 123 struct acpi_subtable_header common; 124 struct acpi_hmat_structure hmat; 125 struct acpi_prmt_module_header prmt; 126 struct acpi_cedt_header cedt; 127 }; 128 129 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table); 130 131 typedef int (*acpi_tbl_entry_handler)(union acpi_subtable_headers *header, 132 const unsigned long end); 133 134 typedef int (*acpi_tbl_entry_handler_arg)(union acpi_subtable_headers *header, 135 void *arg, const unsigned long end); 136 137 /* Debugger support */ 138 139 struct acpi_debugger_ops { 140 int (*create_thread)(acpi_osd_exec_callback function, void *context); 141 ssize_t (*write_log)(const char *msg); 142 ssize_t (*read_cmd)(char *buffer, size_t length); 143 int (*wait_command_ready)(bool single_step, char *buffer, size_t length); 144 int (*notify_command_complete)(void); 145 }; 146 147 struct acpi_debugger { 148 const struct acpi_debugger_ops *ops; 149 struct module *owner; 150 struct mutex lock; 151 }; 152 153 #ifdef CONFIG_ACPI_DEBUGGER 154 int __init acpi_debugger_init(void); 155 int acpi_register_debugger(struct module *owner, 156 const struct acpi_debugger_ops *ops); 157 void acpi_unregister_debugger(const struct acpi_debugger_ops *ops); 158 int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context); 159 ssize_t acpi_debugger_write_log(const char *msg); 160 ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length); 161 int acpi_debugger_wait_command_ready(void); 162 int acpi_debugger_notify_command_complete(void); 163 #else 164 static inline int acpi_debugger_init(void) 165 { 166 return -ENODEV; 167 } 168 169 static inline int acpi_register_debugger(struct module *owner, 170 const struct acpi_debugger_ops *ops) 171 { 172 return -ENODEV; 173 } 174 175 static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops) 176 { 177 } 178 179 static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function, 180 void *context) 181 { 182 return -ENODEV; 183 } 184 185 static inline int acpi_debugger_write_log(const char *msg) 186 { 187 return -ENODEV; 188 } 189 190 static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length) 191 { 192 return -ENODEV; 193 } 194 195 static inline int acpi_debugger_wait_command_ready(void) 196 { 197 return -ENODEV; 198 } 199 200 static inline int acpi_debugger_notify_command_complete(void) 201 { 202 return -ENODEV; 203 } 204 #endif 205 206 #define BAD_MADT_ENTRY(entry, end) ( \ 207 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \ 208 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry)) 209 210 struct acpi_subtable_proc { 211 int id; 212 acpi_tbl_entry_handler handler; 213 acpi_tbl_entry_handler_arg handler_arg; 214 void *arg; 215 int count; 216 }; 217 218 void __iomem *__acpi_map_table(unsigned long phys, unsigned long size); 219 void __acpi_unmap_table(void __iomem *map, unsigned long size); 220 int early_acpi_boot_init(void); 221 int acpi_boot_init (void); 222 void acpi_boot_table_prepare (void); 223 void acpi_boot_table_init (void); 224 int acpi_mps_check (void); 225 int acpi_numa_init (void); 226 227 int acpi_locate_initial_tables (void); 228 void acpi_reserve_initial_tables (void); 229 void acpi_table_init_complete (void); 230 int acpi_table_init (void); 231 232 #ifdef CONFIG_ACPI_TABLE_LIB 233 #define EXPORT_SYMBOL_ACPI_LIB(x) EXPORT_SYMBOL_NS_GPL(x, ACPI) 234 #define __init_or_acpilib 235 #define __initdata_or_acpilib 236 #else 237 #define EXPORT_SYMBOL_ACPI_LIB(x) 238 #define __init_or_acpilib __init 239 #define __initdata_or_acpilib __initdata 240 #endif 241 242 int acpi_table_parse(char *id, acpi_tbl_table_handler handler); 243 int __init_or_acpilib acpi_table_parse_entries(char *id, 244 unsigned long table_size, int entry_id, 245 acpi_tbl_entry_handler handler, unsigned int max_entries); 246 int __init_or_acpilib acpi_table_parse_entries_array(char *id, 247 unsigned long table_size, struct acpi_subtable_proc *proc, 248 int proc_num, unsigned int max_entries); 249 int acpi_table_parse_madt(enum acpi_madt_type id, 250 acpi_tbl_entry_handler handler, 251 unsigned int max_entries); 252 int __init_or_acpilib 253 acpi_table_parse_cedt(enum acpi_cedt_type id, 254 acpi_tbl_entry_handler_arg handler_arg, void *arg); 255 256 int acpi_parse_mcfg (struct acpi_table_header *header); 257 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); 258 259 static inline bool acpi_gicc_is_usable(struct acpi_madt_generic_interrupt *gicc) 260 { 261 return gicc->flags & ACPI_MADT_ENABLED; 262 } 263 264 /* the following numa functions are architecture-dependent */ 265 void acpi_numa_slit_init (struct acpi_table_slit *slit); 266 267 #if defined(CONFIG_X86) || defined(CONFIG_LOONGARCH) 268 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); 269 #else 270 static inline void 271 acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { } 272 #endif 273 274 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); 275 276 #if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH) 277 void acpi_arch_dma_setup(struct device *dev); 278 #else 279 static inline void acpi_arch_dma_setup(struct device *dev) { } 280 #endif 281 282 #ifdef CONFIG_ARM64 283 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa); 284 #else 285 static inline void 286 acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { } 287 #endif 288 289 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma); 290 291 #ifndef PHYS_CPUID_INVALID 292 typedef u32 phys_cpuid_t; 293 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1) 294 #endif 295 296 static inline bool invalid_logical_cpuid(u32 cpuid) 297 { 298 return (int)cpuid < 0; 299 } 300 301 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id) 302 { 303 return phys_id == PHYS_CPUID_INVALID; 304 } 305 306 /* Validate the processor object's proc_id */ 307 bool acpi_duplicate_processor_id(int proc_id); 308 /* Processor _CTS control */ 309 struct acpi_processor_power; 310 311 #ifdef CONFIG_ACPI_PROCESSOR_CSTATE 312 bool acpi_processor_claim_cst_control(void); 313 int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, 314 struct acpi_processor_power *info); 315 #else 316 static inline bool acpi_processor_claim_cst_control(void) { return false; } 317 static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, 318 struct acpi_processor_power *info) 319 { 320 return -ENODEV; 321 } 322 #endif 323 324 #ifdef CONFIG_ACPI_HOTPLUG_CPU 325 /* Arch dependent functions for cpu hotplug support */ 326 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id, 327 int *pcpu); 328 int acpi_unmap_cpu(int cpu); 329 #endif /* CONFIG_ACPI_HOTPLUG_CPU */ 330 331 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 332 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr); 333 #endif 334 335 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); 336 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); 337 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base); 338 void acpi_irq_stats_init(void); 339 extern u32 acpi_irq_handled; 340 extern u32 acpi_irq_not_handled; 341 extern unsigned int acpi_sci_irq; 342 extern bool acpi_no_s5; 343 #define INVALID_ACPI_IRQ ((unsigned)-1) 344 static inline bool acpi_sci_irq_valid(void) 345 { 346 return acpi_sci_irq != INVALID_ACPI_IRQ; 347 } 348 349 extern int sbf_port; 350 extern unsigned long acpi_realmode_flags; 351 352 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); 353 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 354 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); 355 356 void acpi_set_irq_model(enum acpi_irq_model_id model, 357 struct fwnode_handle *(*)(u32)); 358 void acpi_set_gsi_to_irq_fallback(u32 (*)(u32)); 359 360 struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags, 361 unsigned int size, 362 struct fwnode_handle *fwnode, 363 const struct irq_domain_ops *ops, 364 void *host_data); 365 366 #ifdef CONFIG_X86_IO_APIC 367 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); 368 #else 369 static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity) 370 { 371 return -1; 372 } 373 #endif 374 /* 375 * This function undoes the effect of one call to acpi_register_gsi(). 376 * If this matches the last registration, any IRQ resources for gsi 377 * are freed. 378 */ 379 void acpi_unregister_gsi (u32 gsi); 380 381 struct pci_dev; 382 383 int acpi_pci_irq_enable (struct pci_dev *dev); 384 void acpi_penalize_isa_irq(int irq, int active); 385 bool acpi_isa_irq_available(int irq); 386 #ifdef CONFIG_PCI 387 void acpi_penalize_sci_irq(int irq, int trigger, int polarity); 388 #else 389 static inline void acpi_penalize_sci_irq(int irq, int trigger, 390 int polarity) 391 { 392 } 393 #endif 394 void acpi_pci_irq_disable (struct pci_dev *dev); 395 396 extern int ec_read(u8 addr, u8 *val); 397 extern int ec_write(u8 addr, u8 val); 398 extern int ec_transaction(u8 command, 399 const u8 *wdata, unsigned wdata_len, 400 u8 *rdata, unsigned rdata_len); 401 extern acpi_handle ec_get_handle(void); 402 403 extern bool acpi_is_pnp_device(struct acpi_device *); 404 405 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 406 407 typedef void (*wmi_notify_handler) (u32 value, void *context); 408 409 int wmi_instance_count(const char *guid); 410 411 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 412 u32 method_id, 413 const struct acpi_buffer *in, 414 struct acpi_buffer *out); 415 extern acpi_status wmi_query_block(const char *guid, u8 instance, 416 struct acpi_buffer *out); 417 extern acpi_status wmi_set_block(const char *guid, u8 instance, 418 const struct acpi_buffer *in); 419 extern acpi_status wmi_install_notify_handler(const char *guid, 420 wmi_notify_handler handler, void *data); 421 extern acpi_status wmi_remove_notify_handler(const char *guid); 422 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); 423 extern bool wmi_has_guid(const char *guid); 424 extern char *wmi_get_acpi_device_uid(const char *guid); 425 426 #endif /* CONFIG_ACPI_WMI */ 427 428 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 429 #define ACPI_VIDEO_DEVICE_POSTING 0x0002 430 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004 431 #define ACPI_VIDEO_BACKLIGHT 0x0008 432 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 433 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 434 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 435 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 436 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 437 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 438 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 439 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 440 441 extern char acpi_video_backlight_string[]; 442 extern long acpi_is_video_device(acpi_handle handle); 443 extern int acpi_blacklisted(void); 444 extern void acpi_osi_setup(char *str); 445 extern bool acpi_osi_is_win8(void); 446 447 #ifdef CONFIG_ACPI_NUMA 448 int acpi_map_pxm_to_node(int pxm); 449 int acpi_get_node(acpi_handle handle); 450 451 /** 452 * pxm_to_online_node - Map proximity ID to online node 453 * @pxm: ACPI proximity ID 454 * 455 * This is similar to pxm_to_node(), but always returns an online 456 * node. When the mapped node from a given proximity ID is offline, it 457 * looks up the node distance table and returns the nearest online node. 458 * 459 * ACPI device drivers, which are called after the NUMA initialization has 460 * completed in the kernel, can call this interface to obtain their device 461 * NUMA topology from ACPI tables. Such drivers do not have to deal with 462 * offline nodes. A node may be offline when SRAT memory entry does not exist, 463 * or NUMA is disabled, ex. "numa=off" on x86. 464 */ 465 static inline int pxm_to_online_node(int pxm) 466 { 467 int node = pxm_to_node(pxm); 468 469 return numa_map_to_online_node(node); 470 } 471 #else 472 static inline int pxm_to_online_node(int pxm) 473 { 474 return 0; 475 } 476 static inline int acpi_map_pxm_to_node(int pxm) 477 { 478 return 0; 479 } 480 static inline int acpi_get_node(acpi_handle handle) 481 { 482 return 0; 483 } 484 #endif 485 extern int pnpacpi_disabled; 486 487 #define PXM_INVAL (-1) 488 489 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res); 490 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res); 491 bool acpi_dev_resource_address_space(struct acpi_resource *ares, 492 struct resource_win *win); 493 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, 494 struct resource_win *win); 495 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, u8 wake_capable); 496 unsigned int acpi_dev_get_irq_type(int triggering, int polarity); 497 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, 498 struct resource *res); 499 500 void acpi_dev_free_resource_list(struct list_head *list); 501 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, 502 int (*preproc)(struct acpi_resource *, void *), 503 void *preproc_data); 504 int acpi_dev_get_dma_resources(struct acpi_device *adev, 505 struct list_head *list); 506 int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list); 507 int acpi_dev_filter_resource_type(struct acpi_resource *ares, 508 unsigned long types); 509 510 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares, 511 void *arg) 512 { 513 return acpi_dev_filter_resource_type(ares, (unsigned long)arg); 514 } 515 516 struct acpi_device *acpi_resource_consumer(struct resource *res); 517 518 int acpi_check_resource_conflict(const struct resource *res); 519 520 int acpi_check_region(resource_size_t start, resource_size_t n, 521 const char *name); 522 523 int acpi_resources_are_enforced(void); 524 525 #ifdef CONFIG_HIBERNATION 526 extern int acpi_check_s4_hw_signature; 527 #endif 528 529 #ifdef CONFIG_PM_SLEEP 530 void __init acpi_old_suspend_ordering(void); 531 void __init acpi_nvs_nosave(void); 532 void __init acpi_nvs_nosave_s3(void); 533 void __init acpi_sleep_no_blacklist(void); 534 #endif /* CONFIG_PM_SLEEP */ 535 536 int acpi_register_wakeup_handler( 537 int wake_irq, bool (*wakeup)(void *context), void *context); 538 void acpi_unregister_wakeup_handler( 539 bool (*wakeup)(void *context), void *context); 540 541 struct acpi_osc_context { 542 char *uuid_str; /* UUID string */ 543 int rev; 544 struct acpi_buffer cap; /* list of DWORD capabilities */ 545 struct acpi_buffer ret; /* free by caller if success */ 546 }; 547 548 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); 549 550 /* Number of _OSC capability DWORDS depends on bridge type */ 551 #define OSC_PCI_CAPABILITY_DWORDS 3 552 #define OSC_CXL_CAPABILITY_DWORDS 5 553 554 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */ 555 #define OSC_QUERY_DWORD 0 /* DWORD 1 */ 556 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */ 557 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */ 558 #define OSC_EXT_SUPPORT_DWORD 3 /* DWORD 4 */ 559 #define OSC_EXT_CONTROL_DWORD 4 /* DWORD 5 */ 560 561 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */ 562 #define OSC_QUERY_ENABLE 0x00000001 /* input */ 563 #define OSC_REQUEST_ERROR 0x00000002 /* return */ 564 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */ 565 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */ 566 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */ 567 568 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */ 569 #define OSC_SB_PAD_SUPPORT 0x00000001 570 #define OSC_SB_PPC_OST_SUPPORT 0x00000002 571 #define OSC_SB_PR3_SUPPORT 0x00000004 572 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008 573 #define OSC_SB_APEI_SUPPORT 0x00000010 574 #define OSC_SB_CPC_SUPPORT 0x00000020 575 #define OSC_SB_CPCV2_SUPPORT 0x00000040 576 #define OSC_SB_PCLPI_SUPPORT 0x00000080 577 #define OSC_SB_OSLPI_SUPPORT 0x00000100 578 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 579 #define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00002000 580 #define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000 581 #define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000 582 #define OSC_SB_PRM_SUPPORT 0x00200000 583 #define OSC_SB_FFH_OPR_SUPPORT 0x00400000 584 585 extern bool osc_sb_apei_support_acked; 586 extern bool osc_pc_lpi_support_confirmed; 587 extern bool osc_sb_native_usb4_support_confirmed; 588 extern bool osc_sb_cppc2_support_acked; 589 extern bool osc_cpc_flexible_adr_space_confirmed; 590 591 /* USB4 Capabilities */ 592 #define OSC_USB_USB3_TUNNELING 0x00000001 593 #define OSC_USB_DP_TUNNELING 0x00000002 594 #define OSC_USB_PCIE_TUNNELING 0x00000004 595 #define OSC_USB_XDOMAIN 0x00000008 596 597 extern u32 osc_sb_native_usb4_control; 598 599 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */ 600 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001 601 #define OSC_PCI_ASPM_SUPPORT 0x00000002 602 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004 603 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008 604 #define OSC_PCI_MSI_SUPPORT 0x00000010 605 #define OSC_PCI_EDR_SUPPORT 0x00000080 606 #define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100 607 608 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */ 609 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001 610 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002 611 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004 612 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008 613 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010 614 #define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020 615 #define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080 616 617 /* CXL _OSC: Capabilities DWORD 4: Support Field */ 618 #define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT 0x00000001 619 #define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT 0x00000002 620 #define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT 0x00000004 621 #define OSC_CXL_NATIVE_HP_SUPPORT 0x00000008 622 623 /* CXL _OSC: Capabilities DWORD 5: Control Field */ 624 #define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001 625 626 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context) 627 { 628 u32 *ret = context->ret.pointer; 629 630 return ret[OSC_CONTROL_DWORD]; 631 } 632 633 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context) 634 { 635 u32 *ret = context->ret.pointer; 636 637 return ret[OSC_EXT_CONTROL_DWORD]; 638 } 639 640 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002 641 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004 642 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006 643 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008 644 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A 645 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B 646 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C 647 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D 648 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E 649 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F 650 651 /* Enable _OST when all relevant hotplug operations are enabled */ 652 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ 653 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \ 654 defined(CONFIG_ACPI_CONTAINER) 655 #define ACPI_HOTPLUG_OST 656 #endif 657 658 /* _OST Source Event Code (OSPM Action) */ 659 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100 660 #define ACPI_OST_EC_OSPM_EJECT 0x103 661 #define ACPI_OST_EC_OSPM_INSERTION 0x200 662 663 /* _OST General Processing Status Code */ 664 #define ACPI_OST_SC_SUCCESS 0x0 665 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1 666 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2 667 668 /* _OST OS Shutdown Processing (0x100) Status Code */ 669 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80 670 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81 671 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82 672 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83 673 674 /* _OST Ejection Request (0x3, 0x103) Status Code */ 675 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80 676 #define ACPI_OST_SC_DEVICE_IN_USE 0x81 677 #define ACPI_OST_SC_DEVICE_BUSY 0x82 678 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83 679 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84 680 681 /* _OST Insertion Request (0x200) Status Code */ 682 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80 683 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 684 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 685 686 enum acpi_predicate { 687 all_versions, 688 less_than_or_equal, 689 equal, 690 greater_than_or_equal, 691 }; 692 693 /* Table must be terminted by a NULL entry */ 694 struct acpi_platform_list { 695 char oem_id[ACPI_OEM_ID_SIZE+1]; 696 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1]; 697 u32 oem_revision; 698 char *table; 699 enum acpi_predicate pred; 700 char *reason; 701 u32 data; 702 }; 703 int acpi_match_platform_list(const struct acpi_platform_list *plat); 704 705 extern void acpi_early_init(void); 706 extern void acpi_subsystem_init(void); 707 708 extern int acpi_nvs_register(__u64 start, __u64 size); 709 710 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 711 void *data); 712 713 const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids, 714 const struct acpi_device *adev); 715 716 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, 717 const struct device *dev); 718 719 const void *acpi_device_get_match_data(const struct device *dev); 720 extern bool acpi_driver_match_device(struct device *dev, 721 const struct device_driver *drv); 722 int acpi_device_uevent_modalias(const struct device *, struct kobj_uevent_env *); 723 int acpi_device_modalias(struct device *, char *, int); 724 725 struct platform_device *acpi_create_platform_device(struct acpi_device *, 726 const struct property_entry *); 727 #define ACPI_PTR(_ptr) (_ptr) 728 729 static inline void acpi_device_set_enumerated(struct acpi_device *adev) 730 { 731 adev->flags.visited = true; 732 } 733 734 static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 735 { 736 adev->flags.visited = false; 737 } 738 739 enum acpi_reconfig_event { 740 ACPI_RECONFIG_DEVICE_ADD = 0, 741 ACPI_RECONFIG_DEVICE_REMOVE, 742 }; 743 744 int acpi_reconfig_notifier_register(struct notifier_block *nb); 745 int acpi_reconfig_notifier_unregister(struct notifier_block *nb); 746 747 #ifdef CONFIG_ACPI_GTDT 748 int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count); 749 int acpi_gtdt_map_ppi(int type); 750 bool acpi_gtdt_c3stop(int type); 751 int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count); 752 #endif 753 754 #ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER 755 static inline void acpi_arch_set_root_pointer(u64 addr) 756 { 757 } 758 #endif 759 760 #ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER 761 static inline u64 acpi_arch_get_root_pointer(void) 762 { 763 return 0; 764 } 765 #endif 766 767 int acpi_get_local_address(acpi_handle handle, u32 *addr); 768 const char *acpi_get_subsystem_id(acpi_handle handle); 769 770 #else /* !CONFIG_ACPI */ 771 772 #define acpi_disabled 1 773 774 #define ACPI_COMPANION(dev) (NULL) 775 #define ACPI_COMPANION_SET(dev, adev) do { } while (0) 776 #define ACPI_HANDLE(dev) (NULL) 777 #define ACPI_HANDLE_FWNODE(fwnode) (NULL) 778 779 #include <acpi/acpi_numa.h> 780 781 struct fwnode_handle; 782 783 static inline bool acpi_dev_found(const char *hid) 784 { 785 return false; 786 } 787 788 static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv) 789 { 790 return false; 791 } 792 793 struct acpi_device; 794 795 static inline bool acpi_dev_uid_match(struct acpi_device *adev, const char *uid2) 796 { 797 return false; 798 } 799 800 static inline bool 801 acpi_dev_hid_uid_match(struct acpi_device *adev, const char *hid2, const char *uid2) 802 { 803 return false; 804 } 805 806 static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer) 807 { 808 return -ENODEV; 809 } 810 811 static inline struct acpi_device * 812 acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv) 813 { 814 return NULL; 815 } 816 817 static inline bool acpi_reduced_hardware(void) 818 { 819 return false; 820 } 821 822 static inline void acpi_dev_put(struct acpi_device *adev) {} 823 824 static inline bool is_acpi_node(const struct fwnode_handle *fwnode) 825 { 826 return false; 827 } 828 829 static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode) 830 { 831 return false; 832 } 833 834 static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode) 835 { 836 return NULL; 837 } 838 839 static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode) 840 { 841 return false; 842 } 843 844 static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode) 845 { 846 return NULL; 847 } 848 849 static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode, 850 const char *name) 851 { 852 return false; 853 } 854 855 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) 856 { 857 return NULL; 858 } 859 860 static inline bool has_acpi_companion(struct device *dev) 861 { 862 return false; 863 } 864 865 static inline void acpi_preset_companion(struct device *dev, 866 struct acpi_device *parent, u64 addr) 867 { 868 } 869 870 static inline const char *acpi_dev_name(struct acpi_device *adev) 871 { 872 return NULL; 873 } 874 875 static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev) 876 { 877 return NULL; 878 } 879 880 static inline void acpi_early_init(void) { } 881 static inline void acpi_subsystem_init(void) { } 882 883 static inline int early_acpi_boot_init(void) 884 { 885 return 0; 886 } 887 static inline int acpi_boot_init(void) 888 { 889 return 0; 890 } 891 892 static inline void acpi_boot_table_prepare(void) 893 { 894 } 895 896 static inline void acpi_boot_table_init(void) 897 { 898 } 899 900 static inline int acpi_mps_check(void) 901 { 902 return 0; 903 } 904 905 static inline int acpi_check_resource_conflict(struct resource *res) 906 { 907 return 0; 908 } 909 910 static inline int acpi_check_region(resource_size_t start, resource_size_t n, 911 const char *name) 912 { 913 return 0; 914 } 915 916 struct acpi_table_header; 917 static inline int acpi_table_parse(char *id, 918 int (*handler)(struct acpi_table_header *)) 919 { 920 return -ENODEV; 921 } 922 923 static inline int acpi_nvs_register(__u64 start, __u64 size) 924 { 925 return 0; 926 } 927 928 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 929 void *data) 930 { 931 return 0; 932 } 933 934 struct acpi_device_id; 935 936 static inline const struct acpi_device_id *acpi_match_acpi_device( 937 const struct acpi_device_id *ids, const struct acpi_device *adev) 938 { 939 return NULL; 940 } 941 942 static inline const struct acpi_device_id *acpi_match_device( 943 const struct acpi_device_id *ids, const struct device *dev) 944 { 945 return NULL; 946 } 947 948 static inline const void *acpi_device_get_match_data(const struct device *dev) 949 { 950 return NULL; 951 } 952 953 static inline bool acpi_driver_match_device(struct device *dev, 954 const struct device_driver *drv) 955 { 956 return false; 957 } 958 959 static inline bool acpi_check_dsm(acpi_handle handle, const guid_t *guid, 960 u64 rev, u64 funcs) 961 { 962 return false; 963 } 964 965 static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle, 966 const guid_t *guid, 967 u64 rev, u64 func, 968 union acpi_object *argv4) 969 { 970 return NULL; 971 } 972 973 static inline union acpi_object *acpi_evaluate_dsm_typed(acpi_handle handle, 974 const guid_t *guid, 975 u64 rev, u64 func, 976 union acpi_object *argv4, 977 acpi_object_type type) 978 { 979 return NULL; 980 } 981 982 static inline int acpi_device_uevent_modalias(const struct device *dev, 983 struct kobj_uevent_env *env) 984 { 985 return -ENODEV; 986 } 987 988 static inline int acpi_device_modalias(struct device *dev, 989 char *buf, int size) 990 { 991 return -ENODEV; 992 } 993 994 static inline struct platform_device * 995 acpi_create_platform_device(struct acpi_device *adev, 996 const struct property_entry *properties) 997 { 998 return NULL; 999 } 1000 1001 static inline bool acpi_dma_supported(const struct acpi_device *adev) 1002 { 1003 return false; 1004 } 1005 1006 static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev) 1007 { 1008 return DEV_DMA_NOT_SUPPORTED; 1009 } 1010 1011 static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map) 1012 { 1013 return -ENODEV; 1014 } 1015 1016 static inline int acpi_dma_configure(struct device *dev, 1017 enum dev_dma_attr attr) 1018 { 1019 return 0; 1020 } 1021 1022 static inline int acpi_dma_configure_id(struct device *dev, 1023 enum dev_dma_attr attr, 1024 const u32 *input_id) 1025 { 1026 return 0; 1027 } 1028 1029 #define ACPI_PTR(_ptr) (NULL) 1030 1031 static inline void acpi_device_set_enumerated(struct acpi_device *adev) 1032 { 1033 } 1034 1035 static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 1036 { 1037 } 1038 1039 static inline int acpi_reconfig_notifier_register(struct notifier_block *nb) 1040 { 1041 return -EINVAL; 1042 } 1043 1044 static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb) 1045 { 1046 return -EINVAL; 1047 } 1048 1049 static inline struct acpi_device *acpi_resource_consumer(struct resource *res) 1050 { 1051 return NULL; 1052 } 1053 1054 static inline int acpi_get_local_address(acpi_handle handle, u32 *addr) 1055 { 1056 return -ENODEV; 1057 } 1058 1059 static inline const char *acpi_get_subsystem_id(acpi_handle handle) 1060 { 1061 return ERR_PTR(-ENODEV); 1062 } 1063 1064 static inline int acpi_register_wakeup_handler(int wake_irq, 1065 bool (*wakeup)(void *context), void *context) 1066 { 1067 return -ENXIO; 1068 } 1069 1070 static inline void acpi_unregister_wakeup_handler( 1071 bool (*wakeup)(void *context), void *context) { } 1072 1073 struct acpi_osc_context; 1074 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context) 1075 { 1076 return 0; 1077 } 1078 1079 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context) 1080 { 1081 return 0; 1082 } 1083 1084 static inline bool acpi_sleep_state_supported(u8 sleep_state) 1085 { 1086 return false; 1087 } 1088 1089 #endif /* !CONFIG_ACPI */ 1090 1091 extern void arch_post_acpi_subsys_init(void); 1092 1093 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 1094 int acpi_ioapic_add(acpi_handle root); 1095 #else 1096 static inline int acpi_ioapic_add(acpi_handle root) { return 0; } 1097 #endif 1098 1099 #ifdef CONFIG_ACPI 1100 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, 1101 u32 pm1a_ctrl, u32 pm1b_ctrl)); 1102 1103 acpi_status acpi_os_prepare_sleep(u8 sleep_state, 1104 u32 pm1a_control, u32 pm1b_control); 1105 1106 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, 1107 u32 val_a, u32 val_b)); 1108 1109 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, 1110 u32 val_a, u32 val_b); 1111 #if defined(CONFIG_SUSPEND) && defined(CONFIG_X86) 1112 struct acpi_s2idle_dev_ops { 1113 struct list_head list_node; 1114 void (*prepare)(void); 1115 void (*check)(void); 1116 void (*restore)(void); 1117 }; 1118 int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg); 1119 void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg); 1120 int acpi_get_lps0_constraint(struct acpi_device *adev); 1121 #else /* CONFIG_SUSPEND && CONFIG_X86 */ 1122 static inline int acpi_get_lps0_constraint(struct device *dev) 1123 { 1124 return ACPI_STATE_UNKNOWN; 1125 } 1126 #endif /* CONFIG_SUSPEND && CONFIG_X86 */ 1127 void arch_reserve_mem_area(acpi_physical_address addr, size_t size); 1128 #else 1129 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) 1130 #endif 1131 1132 #if defined(CONFIG_ACPI) && defined(CONFIG_PM) 1133 int acpi_dev_suspend(struct device *dev, bool wakeup); 1134 int acpi_dev_resume(struct device *dev); 1135 int acpi_subsys_runtime_suspend(struct device *dev); 1136 int acpi_subsys_runtime_resume(struct device *dev); 1137 int acpi_dev_pm_attach(struct device *dev, bool power_on); 1138 bool acpi_storage_d3(struct device *dev); 1139 bool acpi_dev_state_d0(struct device *dev); 1140 #else 1141 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } 1142 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } 1143 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) 1144 { 1145 return 0; 1146 } 1147 static inline bool acpi_storage_d3(struct device *dev) 1148 { 1149 return false; 1150 } 1151 static inline bool acpi_dev_state_d0(struct device *dev) 1152 { 1153 return true; 1154 } 1155 #endif 1156 1157 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) 1158 int acpi_subsys_prepare(struct device *dev); 1159 void acpi_subsys_complete(struct device *dev); 1160 int acpi_subsys_suspend_late(struct device *dev); 1161 int acpi_subsys_suspend_noirq(struct device *dev); 1162 int acpi_subsys_suspend(struct device *dev); 1163 int acpi_subsys_freeze(struct device *dev); 1164 int acpi_subsys_poweroff(struct device *dev); 1165 void acpi_ec_mark_gpe_for_wake(void); 1166 void acpi_ec_set_gpe_wake_mask(u8 action); 1167 int acpi_subsys_restore_early(struct device *dev); 1168 #else 1169 static inline int acpi_subsys_prepare(struct device *dev) { return 0; } 1170 static inline void acpi_subsys_complete(struct device *dev) {} 1171 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } 1172 static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; } 1173 static inline int acpi_subsys_suspend(struct device *dev) { return 0; } 1174 static inline int acpi_subsys_freeze(struct device *dev) { return 0; } 1175 static inline int acpi_subsys_poweroff(struct device *dev) { return 0; } 1176 static inline int acpi_subsys_restore_early(struct device *dev) { return 0; } 1177 static inline void acpi_ec_mark_gpe_for_wake(void) {} 1178 static inline void acpi_ec_set_gpe_wake_mask(u8 action) {} 1179 #endif 1180 1181 #ifdef CONFIG_ACPI 1182 __printf(3, 4) 1183 void acpi_handle_printk(const char *level, acpi_handle handle, 1184 const char *fmt, ...); 1185 void acpi_evaluation_failure_warn(acpi_handle handle, const char *name, 1186 acpi_status status); 1187 #else /* !CONFIG_ACPI */ 1188 static inline __printf(3, 4) void 1189 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} 1190 static inline void acpi_evaluation_failure_warn(acpi_handle handle, 1191 const char *name, 1192 acpi_status status) {} 1193 #endif /* !CONFIG_ACPI */ 1194 1195 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) 1196 __printf(3, 4) 1197 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); 1198 #endif 1199 1200 /* 1201 * acpi_handle_<level>: Print message with ACPI prefix and object path 1202 * 1203 * These interfaces acquire the global namespace mutex to obtain an object 1204 * path. In interrupt context, it shows the object path as <n/a>. 1205 */ 1206 #define acpi_handle_emerg(handle, fmt, ...) \ 1207 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) 1208 #define acpi_handle_alert(handle, fmt, ...) \ 1209 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) 1210 #define acpi_handle_crit(handle, fmt, ...) \ 1211 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) 1212 #define acpi_handle_err(handle, fmt, ...) \ 1213 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) 1214 #define acpi_handle_warn(handle, fmt, ...) \ 1215 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) 1216 #define acpi_handle_notice(handle, fmt, ...) \ 1217 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) 1218 #define acpi_handle_info(handle, fmt, ...) \ 1219 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) 1220 1221 #if defined(DEBUG) 1222 #define acpi_handle_debug(handle, fmt, ...) \ 1223 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) 1224 #else 1225 #if defined(CONFIG_DYNAMIC_DEBUG) 1226 #define acpi_handle_debug(handle, fmt, ...) \ 1227 _dynamic_func_call(fmt, __acpi_handle_debug, \ 1228 handle, pr_fmt(fmt), ##__VA_ARGS__) 1229 #else 1230 #define acpi_handle_debug(handle, fmt, ...) \ 1231 ({ \ 1232 if (0) \ 1233 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ 1234 0; \ 1235 }) 1236 #endif 1237 #endif 1238 1239 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) 1240 bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1241 struct acpi_resource_gpio **agpio); 1242 bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1243 struct acpi_resource_gpio **agpio); 1244 int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name, int index, 1245 bool *wake_capable); 1246 #else 1247 static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1248 struct acpi_resource_gpio **agpio) 1249 { 1250 return false; 1251 } 1252 static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1253 struct acpi_resource_gpio **agpio) 1254 { 1255 return false; 1256 } 1257 static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name, 1258 int index, bool *wake_capable) 1259 { 1260 return -ENXIO; 1261 } 1262 #endif 1263 1264 static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index, 1265 bool *wake_capable) 1266 { 1267 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable); 1268 } 1269 1270 static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *name, 1271 int index) 1272 { 1273 return acpi_dev_gpio_irq_wake_get_by(adev, name, index, NULL); 1274 } 1275 1276 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) 1277 { 1278 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL); 1279 } 1280 1281 /* Device properties */ 1282 1283 #ifdef CONFIG_ACPI 1284 int acpi_dev_get_property(const struct acpi_device *adev, const char *name, 1285 acpi_object_type type, const union acpi_object **obj); 1286 int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1287 const char *name, size_t index, size_t num_args, 1288 struct fwnode_reference_args *args); 1289 1290 static inline int acpi_node_get_property_reference( 1291 const struct fwnode_handle *fwnode, 1292 const char *name, size_t index, 1293 struct fwnode_reference_args *args) 1294 { 1295 return __acpi_node_get_property_reference(fwnode, name, index, 1296 NR_FWNODE_REFERENCE_ARGS, args); 1297 } 1298 1299 static inline bool acpi_dev_has_props(const struct acpi_device *adev) 1300 { 1301 return !list_empty(&adev->data.properties); 1302 } 1303 1304 struct acpi_device_properties * 1305 acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid, 1306 union acpi_object *properties); 1307 1308 int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname, 1309 void **valptr); 1310 1311 struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1312 struct fwnode_handle *child); 1313 1314 struct acpi_probe_entry; 1315 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *, 1316 struct acpi_probe_entry *); 1317 1318 #define ACPI_TABLE_ID_LEN 5 1319 1320 /** 1321 * struct acpi_probe_entry - boot-time probing entry 1322 * @id: ACPI table name 1323 * @type: Optional subtable type to match 1324 * (if @id contains subtables) 1325 * @subtable_valid: Optional callback to check the validity of 1326 * the subtable 1327 * @probe_table: Callback to the driver being probed when table 1328 * match is successful 1329 * @probe_subtbl: Callback to the driver being probed when table and 1330 * subtable match (and optional callback is successful) 1331 * @driver_data: Sideband data provided back to the driver 1332 */ 1333 struct acpi_probe_entry { 1334 __u8 id[ACPI_TABLE_ID_LEN]; 1335 __u8 type; 1336 acpi_probe_entry_validate_subtbl subtable_valid; 1337 union { 1338 acpi_tbl_table_handler probe_table; 1339 acpi_tbl_entry_handler probe_subtbl; 1340 }; 1341 kernel_ulong_t driver_data; 1342 }; 1343 1344 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \ 1345 valid, data, fn) \ 1346 static const struct acpi_probe_entry __acpi_probe_##name \ 1347 __used __section("__" #table "_acpi_probe_table") = { \ 1348 .id = table_id, \ 1349 .type = subtable, \ 1350 .subtable_valid = valid, \ 1351 .probe_table = fn, \ 1352 .driver_data = data, \ 1353 } 1354 1355 #define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \ 1356 subtable, valid, data, fn) \ 1357 static const struct acpi_probe_entry __acpi_probe_##name \ 1358 __used __section("__" #table "_acpi_probe_table") = { \ 1359 .id = table_id, \ 1360 .type = subtable, \ 1361 .subtable_valid = valid, \ 1362 .probe_subtbl = fn, \ 1363 .driver_data = data, \ 1364 } 1365 1366 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table 1367 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end 1368 1369 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr); 1370 1371 #define acpi_probe_device_table(t) \ 1372 ({ \ 1373 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \ 1374 ACPI_PROBE_TABLE_END(t); \ 1375 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \ 1376 (&ACPI_PROBE_TABLE_END(t) - \ 1377 &ACPI_PROBE_TABLE(t))); \ 1378 }) 1379 #else 1380 static inline int acpi_dev_get_property(struct acpi_device *adev, 1381 const char *name, acpi_object_type type, 1382 const union acpi_object **obj) 1383 { 1384 return -ENXIO; 1385 } 1386 1387 static inline int 1388 __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1389 const char *name, size_t index, size_t num_args, 1390 struct fwnode_reference_args *args) 1391 { 1392 return -ENXIO; 1393 } 1394 1395 static inline int 1396 acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1397 const char *name, size_t index, 1398 struct fwnode_reference_args *args) 1399 { 1400 return -ENXIO; 1401 } 1402 1403 static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode, 1404 const char *propname, 1405 void **valptr) 1406 { 1407 return -ENXIO; 1408 } 1409 1410 static inline struct fwnode_handle * 1411 acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1412 struct fwnode_handle *child) 1413 { 1414 return NULL; 1415 } 1416 1417 static inline struct fwnode_handle * 1418 acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode, 1419 struct fwnode_handle *prev) 1420 { 1421 return ERR_PTR(-ENXIO); 1422 } 1423 1424 static inline int 1425 acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode, 1426 struct fwnode_handle **remote, 1427 struct fwnode_handle **port, 1428 struct fwnode_handle **endpoint) 1429 { 1430 return -ENXIO; 1431 } 1432 1433 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ 1434 static const void * __acpi_table_##name[] \ 1435 __attribute__((unused)) \ 1436 = { (void *) table_id, \ 1437 (void *) subtable, \ 1438 (void *) valid, \ 1439 (void *) fn, \ 1440 (void *) data } 1441 1442 #define acpi_probe_device_table(t) ({ int __r = 0; __r;}) 1443 #endif 1444 1445 #ifdef CONFIG_ACPI_TABLE_UPGRADE 1446 void acpi_table_upgrade(void); 1447 #else 1448 static inline void acpi_table_upgrade(void) { } 1449 #endif 1450 1451 #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG) 1452 extern bool acpi_has_watchdog(void); 1453 #else 1454 static inline bool acpi_has_watchdog(void) { return false; } 1455 #endif 1456 1457 #ifdef CONFIG_ACPI_SPCR_TABLE 1458 extern bool qdf2400_e44_present; 1459 int acpi_parse_spcr(bool enable_earlycon, bool enable_console); 1460 #else 1461 static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console) 1462 { 1463 return 0; 1464 } 1465 #endif 1466 1467 #if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI) 1468 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res); 1469 #else 1470 static inline 1471 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res) 1472 { 1473 return -EINVAL; 1474 } 1475 #endif 1476 1477 #ifdef CONFIG_ACPI_LPIT 1478 int lpit_read_residency_count_address(u64 *address); 1479 #else 1480 static inline int lpit_read_residency_count_address(u64 *address) 1481 { 1482 return -EINVAL; 1483 } 1484 #endif 1485 1486 #ifdef CONFIG_ACPI_PROCESSOR_IDLE 1487 #ifndef arch_get_idle_state_flags 1488 static inline unsigned int arch_get_idle_state_flags(u32 arch_flags) 1489 { 1490 return 0; 1491 } 1492 #endif 1493 #endif /* CONFIG_ACPI_PROCESSOR_IDLE */ 1494 1495 #ifdef CONFIG_ACPI_PPTT 1496 int acpi_pptt_cpu_is_thread(unsigned int cpu); 1497 int find_acpi_cpu_topology(unsigned int cpu, int level); 1498 int find_acpi_cpu_topology_cluster(unsigned int cpu); 1499 int find_acpi_cpu_topology_package(unsigned int cpu); 1500 int find_acpi_cpu_topology_hetero_id(unsigned int cpu); 1501 #else 1502 static inline int acpi_pptt_cpu_is_thread(unsigned int cpu) 1503 { 1504 return -EINVAL; 1505 } 1506 static inline int find_acpi_cpu_topology(unsigned int cpu, int level) 1507 { 1508 return -EINVAL; 1509 } 1510 static inline int find_acpi_cpu_topology_cluster(unsigned int cpu) 1511 { 1512 return -EINVAL; 1513 } 1514 static inline int find_acpi_cpu_topology_package(unsigned int cpu) 1515 { 1516 return -EINVAL; 1517 } 1518 static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu) 1519 { 1520 return -EINVAL; 1521 } 1522 #endif 1523 1524 #ifdef CONFIG_ARM64 1525 void acpi_arm_init(void); 1526 #else 1527 static inline void acpi_arm_init(void) { } 1528 #endif 1529 1530 #ifdef CONFIG_ACPI_PCC 1531 void acpi_init_pcc(void); 1532 #else 1533 static inline void acpi_init_pcc(void) { } 1534 #endif 1535 1536 #ifdef CONFIG_ACPI_FFH 1537 void acpi_init_ffh(void); 1538 extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt, 1539 void **region_ctxt); 1540 extern int acpi_ffh_address_space_arch_handler(acpi_integer *value, 1541 void *region_context); 1542 #else 1543 static inline void acpi_init_ffh(void) { } 1544 #endif 1545 1546 #ifdef CONFIG_ACPI 1547 extern void acpi_device_notify(struct device *dev); 1548 extern void acpi_device_notify_remove(struct device *dev); 1549 #else 1550 static inline void acpi_device_notify(struct device *dev) { } 1551 static inline void acpi_device_notify_remove(struct device *dev) { } 1552 #endif 1553 1554 #endif /*_LINUX_ACPI_H*/ 1555