1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * acpi.h - ACPI Interface 4 * 5 * Copyright (C) 2001 Paul Diefenbaugh <[email protected]> 6 */ 7 8 #ifndef _LINUX_ACPI_H 9 #define _LINUX_ACPI_H 10 11 #include <linux/errno.h> 12 #include <linux/ioport.h> /* for struct resource */ 13 #include <linux/resource_ext.h> 14 #include <linux/device.h> 15 #include <linux/mod_devicetable.h> 16 #include <linux/property.h> 17 #include <linux/uuid.h> 18 #include <linux/node.h> 19 20 struct irq_domain; 21 struct irq_domain_ops; 22 23 #ifndef _LINUX 24 #define _LINUX 25 #endif 26 #include <acpi/acpi.h> 27 28 #ifdef CONFIG_ACPI 29 30 #include <linux/list.h> 31 #include <linux/dynamic_debug.h> 32 #include <linux/module.h> 33 #include <linux/mutex.h> 34 #include <linux/fw_table.h> 35 36 #include <acpi/acpi_bus.h> 37 #include <acpi/acpi_drivers.h> 38 #include <acpi/acpi_numa.h> 39 #include <acpi/acpi_io.h> 40 #include <asm/acpi.h> 41 42 #ifdef CONFIG_ACPI_TABLE_LIB 43 #define EXPORT_SYMBOL_ACPI_LIB(x) EXPORT_SYMBOL_NS_GPL(x, ACPI) 44 #define __init_or_acpilib 45 #define __initdata_or_acpilib 46 #else 47 #define EXPORT_SYMBOL_ACPI_LIB(x) 48 #define __init_or_acpilib __init 49 #define __initdata_or_acpilib __initdata 50 #endif 51 52 static inline acpi_handle acpi_device_handle(struct acpi_device *adev) 53 { 54 return adev ? adev->handle : NULL; 55 } 56 57 #define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode) 58 #define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \ 59 acpi_fwnode_handle(adev) : NULL) 60 #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev)) 61 #define ACPI_HANDLE_FWNODE(fwnode) \ 62 acpi_device_handle(to_acpi_device_node(fwnode)) 63 64 static inline struct fwnode_handle *acpi_alloc_fwnode_static(void) 65 { 66 struct fwnode_handle *fwnode; 67 68 fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL); 69 if (!fwnode) 70 return NULL; 71 72 fwnode_init(fwnode, &acpi_static_fwnode_ops); 73 74 return fwnode; 75 } 76 77 static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode) 78 { 79 if (WARN_ON(!is_acpi_static_node(fwnode))) 80 return; 81 82 kfree(fwnode); 83 } 84 85 static inline bool has_acpi_companion(struct device *dev) 86 { 87 return is_acpi_device_node(dev->fwnode); 88 } 89 90 static inline void acpi_preset_companion(struct device *dev, 91 struct acpi_device *parent, u64 addr) 92 { 93 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false)); 94 } 95 96 static inline const char *acpi_dev_name(struct acpi_device *adev) 97 { 98 return dev_name(&adev->dev); 99 } 100 101 struct device *acpi_get_first_physical_node(struct acpi_device *adev); 102 103 enum acpi_irq_model_id { 104 ACPI_IRQ_MODEL_PIC = 0, 105 ACPI_IRQ_MODEL_IOAPIC, 106 ACPI_IRQ_MODEL_IOSAPIC, 107 ACPI_IRQ_MODEL_PLATFORM, 108 ACPI_IRQ_MODEL_GIC, 109 ACPI_IRQ_MODEL_LPIC, 110 ACPI_IRQ_MODEL_COUNT 111 }; 112 113 extern enum acpi_irq_model_id acpi_irq_model; 114 115 enum acpi_interrupt_id { 116 ACPI_INTERRUPT_PMI = 1, 117 ACPI_INTERRUPT_INIT, 118 ACPI_INTERRUPT_CPEI, 119 ACPI_INTERRUPT_COUNT 120 }; 121 122 #define ACPI_SPACE_MEM 0 123 124 enum acpi_address_range_id { 125 ACPI_ADDRESS_RANGE_MEMORY = 1, 126 ACPI_ADDRESS_RANGE_RESERVED = 2, 127 ACPI_ADDRESS_RANGE_ACPI = 3, 128 ACPI_ADDRESS_RANGE_NVS = 4, 129 ACPI_ADDRESS_RANGE_COUNT 130 }; 131 132 133 /* Table Handlers */ 134 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table); 135 136 /* Debugger support */ 137 138 struct acpi_debugger_ops { 139 int (*create_thread)(acpi_osd_exec_callback function, void *context); 140 ssize_t (*write_log)(const char *msg); 141 ssize_t (*read_cmd)(char *buffer, size_t length); 142 int (*wait_command_ready)(bool single_step, char *buffer, size_t length); 143 int (*notify_command_complete)(void); 144 }; 145 146 struct acpi_debugger { 147 const struct acpi_debugger_ops *ops; 148 struct module *owner; 149 struct mutex lock; 150 }; 151 152 #ifdef CONFIG_ACPI_DEBUGGER 153 int __init acpi_debugger_init(void); 154 int acpi_register_debugger(struct module *owner, 155 const struct acpi_debugger_ops *ops); 156 void acpi_unregister_debugger(const struct acpi_debugger_ops *ops); 157 int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context); 158 ssize_t acpi_debugger_write_log(const char *msg); 159 ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length); 160 int acpi_debugger_wait_command_ready(void); 161 int acpi_debugger_notify_command_complete(void); 162 #else 163 static inline int acpi_debugger_init(void) 164 { 165 return -ENODEV; 166 } 167 168 static inline int acpi_register_debugger(struct module *owner, 169 const struct acpi_debugger_ops *ops) 170 { 171 return -ENODEV; 172 } 173 174 static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops) 175 { 176 } 177 178 static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function, 179 void *context) 180 { 181 return -ENODEV; 182 } 183 184 static inline int acpi_debugger_write_log(const char *msg) 185 { 186 return -ENODEV; 187 } 188 189 static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length) 190 { 191 return -ENODEV; 192 } 193 194 static inline int acpi_debugger_wait_command_ready(void) 195 { 196 return -ENODEV; 197 } 198 199 static inline int acpi_debugger_notify_command_complete(void) 200 { 201 return -ENODEV; 202 } 203 #endif 204 205 #define BAD_MADT_ENTRY(entry, end) ( \ 206 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \ 207 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry)) 208 209 void __iomem *__acpi_map_table(unsigned long phys, unsigned long size); 210 void __acpi_unmap_table(void __iomem *map, unsigned long size); 211 int early_acpi_boot_init(void); 212 int acpi_boot_init (void); 213 void acpi_boot_table_prepare (void); 214 void acpi_boot_table_init (void); 215 int acpi_mps_check (void); 216 int acpi_numa_init (void); 217 218 int acpi_locate_initial_tables (void); 219 void acpi_reserve_initial_tables (void); 220 void acpi_table_init_complete (void); 221 int acpi_table_init (void); 222 223 int acpi_table_parse(char *id, acpi_tbl_table_handler handler); 224 int __init_or_acpilib acpi_table_parse_entries(char *id, 225 unsigned long table_size, int entry_id, 226 acpi_tbl_entry_handler handler, unsigned int max_entries); 227 int __init_or_acpilib acpi_table_parse_entries_array(char *id, 228 unsigned long table_size, struct acpi_subtable_proc *proc, 229 int proc_num, unsigned int max_entries); 230 int acpi_table_parse_madt(enum acpi_madt_type id, 231 acpi_tbl_entry_handler handler, 232 unsigned int max_entries); 233 int __init_or_acpilib 234 acpi_table_parse_cedt(enum acpi_cedt_type id, 235 acpi_tbl_entry_handler_arg handler_arg, void *arg); 236 237 int acpi_parse_mcfg (struct acpi_table_header *header); 238 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); 239 240 static inline bool acpi_gicc_is_usable(struct acpi_madt_generic_interrupt *gicc) 241 { 242 return gicc->flags & ACPI_MADT_ENABLED; 243 } 244 245 #if defined(CONFIG_X86) || defined(CONFIG_LOONGARCH) 246 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); 247 #else 248 static inline void 249 acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { } 250 #endif 251 252 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); 253 254 #if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH) 255 void acpi_arch_dma_setup(struct device *dev); 256 #else 257 static inline void acpi_arch_dma_setup(struct device *dev) { } 258 #endif 259 260 #ifdef CONFIG_ARM64 261 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa); 262 #else 263 static inline void 264 acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { } 265 #endif 266 267 #ifndef PHYS_CPUID_INVALID 268 typedef u32 phys_cpuid_t; 269 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1) 270 #endif 271 272 static inline bool invalid_logical_cpuid(u32 cpuid) 273 { 274 return (int)cpuid < 0; 275 } 276 277 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id) 278 { 279 return phys_id == PHYS_CPUID_INVALID; 280 } 281 282 283 int __init acpi_get_madt_revision(void); 284 285 /* Validate the processor object's proc_id */ 286 bool acpi_duplicate_processor_id(int proc_id); 287 /* Processor _CTS control */ 288 struct acpi_processor_power; 289 290 #ifdef CONFIG_ACPI_PROCESSOR_CSTATE 291 bool acpi_processor_claim_cst_control(void); 292 int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, 293 struct acpi_processor_power *info); 294 #else 295 static inline bool acpi_processor_claim_cst_control(void) { return false; } 296 static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, 297 struct acpi_processor_power *info) 298 { 299 return -ENODEV; 300 } 301 #endif 302 303 #ifdef CONFIG_ACPI_HOTPLUG_CPU 304 /* Arch dependent functions for cpu hotplug support */ 305 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id, 306 int *pcpu); 307 int acpi_unmap_cpu(int cpu); 308 #endif /* CONFIG_ACPI_HOTPLUG_CPU */ 309 310 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 311 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr); 312 #endif 313 314 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); 315 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); 316 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base); 317 void acpi_irq_stats_init(void); 318 extern u32 acpi_irq_handled; 319 extern u32 acpi_irq_not_handled; 320 extern unsigned int acpi_sci_irq; 321 extern bool acpi_no_s5; 322 #define INVALID_ACPI_IRQ ((unsigned)-1) 323 static inline bool acpi_sci_irq_valid(void) 324 { 325 return acpi_sci_irq != INVALID_ACPI_IRQ; 326 } 327 328 extern int sbf_port; 329 extern unsigned long acpi_realmode_flags; 330 331 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); 332 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 333 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); 334 335 void acpi_set_irq_model(enum acpi_irq_model_id model, 336 struct fwnode_handle *(*)(u32)); 337 void acpi_set_gsi_to_irq_fallback(u32 (*)(u32)); 338 339 struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags, 340 unsigned int size, 341 struct fwnode_handle *fwnode, 342 const struct irq_domain_ops *ops, 343 void *host_data); 344 345 #ifdef CONFIG_X86_IO_APIC 346 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); 347 #else 348 static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity) 349 { 350 return -1; 351 } 352 #endif 353 /* 354 * This function undoes the effect of one call to acpi_register_gsi(). 355 * If this matches the last registration, any IRQ resources for gsi 356 * are freed. 357 */ 358 void acpi_unregister_gsi (u32 gsi); 359 360 struct pci_dev; 361 362 int acpi_pci_irq_enable (struct pci_dev *dev); 363 void acpi_penalize_isa_irq(int irq, int active); 364 bool acpi_isa_irq_available(int irq); 365 #ifdef CONFIG_PCI 366 void acpi_penalize_sci_irq(int irq, int trigger, int polarity); 367 #else 368 static inline void acpi_penalize_sci_irq(int irq, int trigger, 369 int polarity) 370 { 371 } 372 #endif 373 void acpi_pci_irq_disable (struct pci_dev *dev); 374 375 extern int ec_read(u8 addr, u8 *val); 376 extern int ec_write(u8 addr, u8 val); 377 extern int ec_transaction(u8 command, 378 const u8 *wdata, unsigned wdata_len, 379 u8 *rdata, unsigned rdata_len); 380 extern acpi_handle ec_get_handle(void); 381 382 extern bool acpi_is_pnp_device(struct acpi_device *); 383 384 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 385 386 typedef void (*wmi_notify_handler) (u32 value, void *context); 387 388 int wmi_instance_count(const char *guid); 389 390 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 391 u32 method_id, 392 const struct acpi_buffer *in, 393 struct acpi_buffer *out); 394 extern acpi_status wmi_query_block(const char *guid, u8 instance, 395 struct acpi_buffer *out); 396 extern acpi_status wmi_set_block(const char *guid, u8 instance, 397 const struct acpi_buffer *in); 398 extern acpi_status wmi_install_notify_handler(const char *guid, 399 wmi_notify_handler handler, void *data); 400 extern acpi_status wmi_remove_notify_handler(const char *guid); 401 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); 402 extern bool wmi_has_guid(const char *guid); 403 extern char *wmi_get_acpi_device_uid(const char *guid); 404 405 #endif /* CONFIG_ACPI_WMI */ 406 407 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 408 #define ACPI_VIDEO_DEVICE_POSTING 0x0002 409 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004 410 #define ACPI_VIDEO_BACKLIGHT 0x0008 411 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 412 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 413 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 414 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 415 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 416 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 417 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 418 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 419 420 extern char acpi_video_backlight_string[]; 421 extern long acpi_is_video_device(acpi_handle handle); 422 423 extern void acpi_osi_setup(char *str); 424 extern bool acpi_osi_is_win8(void); 425 426 #ifdef CONFIG_ACPI_THERMAL_LIB 427 int thermal_acpi_active_trip_temp(struct acpi_device *adev, int id, int *ret_temp); 428 int thermal_acpi_passive_trip_temp(struct acpi_device *adev, int *ret_temp); 429 int thermal_acpi_hot_trip_temp(struct acpi_device *adev, int *ret_temp); 430 int thermal_acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp); 431 #endif 432 433 #ifdef CONFIG_ACPI_HMAT 434 int acpi_get_genport_coordinates(u32 uid, struct access_coordinate *coord); 435 #else 436 static inline int acpi_get_genport_coordinates(u32 uid, 437 struct access_coordinate *coord) 438 { 439 return -EOPNOTSUPP; 440 } 441 #endif 442 443 #ifdef CONFIG_ACPI_NUMA 444 int acpi_map_pxm_to_node(int pxm); 445 int acpi_get_node(acpi_handle handle); 446 447 /** 448 * pxm_to_online_node - Map proximity ID to online node 449 * @pxm: ACPI proximity ID 450 * 451 * This is similar to pxm_to_node(), but always returns an online 452 * node. When the mapped node from a given proximity ID is offline, it 453 * looks up the node distance table and returns the nearest online node. 454 * 455 * ACPI device drivers, which are called after the NUMA initialization has 456 * completed in the kernel, can call this interface to obtain their device 457 * NUMA topology from ACPI tables. Such drivers do not have to deal with 458 * offline nodes. A node may be offline when SRAT memory entry does not exist, 459 * or NUMA is disabled, ex. "numa=off" on x86. 460 */ 461 static inline int pxm_to_online_node(int pxm) 462 { 463 int node = pxm_to_node(pxm); 464 465 return numa_map_to_online_node(node); 466 } 467 #else 468 static inline int pxm_to_online_node(int pxm) 469 { 470 return 0; 471 } 472 static inline int acpi_map_pxm_to_node(int pxm) 473 { 474 return 0; 475 } 476 static inline int acpi_get_node(acpi_handle handle) 477 { 478 return 0; 479 } 480 #endif 481 extern int pnpacpi_disabled; 482 483 #define PXM_INVAL (-1) 484 485 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res); 486 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res); 487 bool acpi_dev_resource_address_space(struct acpi_resource *ares, 488 struct resource_win *win); 489 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, 490 struct resource_win *win); 491 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, u8 wake_capable); 492 unsigned int acpi_dev_get_irq_type(int triggering, int polarity); 493 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, 494 struct resource *res); 495 496 void acpi_dev_free_resource_list(struct list_head *list); 497 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, 498 int (*preproc)(struct acpi_resource *, void *), 499 void *preproc_data); 500 int acpi_dev_get_dma_resources(struct acpi_device *adev, 501 struct list_head *list); 502 int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list); 503 int acpi_dev_filter_resource_type(struct acpi_resource *ares, 504 unsigned long types); 505 506 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares, 507 void *arg) 508 { 509 return acpi_dev_filter_resource_type(ares, (unsigned long)arg); 510 } 511 512 struct acpi_device *acpi_resource_consumer(struct resource *res); 513 514 int acpi_check_resource_conflict(const struct resource *res); 515 516 int acpi_check_region(resource_size_t start, resource_size_t n, 517 const char *name); 518 519 int acpi_resources_are_enforced(void); 520 521 #ifdef CONFIG_HIBERNATION 522 extern int acpi_check_s4_hw_signature; 523 #endif 524 525 #ifdef CONFIG_PM_SLEEP 526 void __init acpi_old_suspend_ordering(void); 527 void __init acpi_nvs_nosave(void); 528 void __init acpi_nvs_nosave_s3(void); 529 void __init acpi_sleep_no_blacklist(void); 530 #endif /* CONFIG_PM_SLEEP */ 531 532 int acpi_register_wakeup_handler( 533 int wake_irq, bool (*wakeup)(void *context), void *context); 534 void acpi_unregister_wakeup_handler( 535 bool (*wakeup)(void *context), void *context); 536 537 struct acpi_osc_context { 538 char *uuid_str; /* UUID string */ 539 int rev; 540 struct acpi_buffer cap; /* list of DWORD capabilities */ 541 struct acpi_buffer ret; /* free by caller if success */ 542 }; 543 544 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); 545 546 /* Number of _OSC capability DWORDS depends on bridge type */ 547 #define OSC_PCI_CAPABILITY_DWORDS 3 548 #define OSC_CXL_CAPABILITY_DWORDS 5 549 550 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */ 551 #define OSC_QUERY_DWORD 0 /* DWORD 1 */ 552 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */ 553 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */ 554 #define OSC_EXT_SUPPORT_DWORD 3 /* DWORD 4 */ 555 #define OSC_EXT_CONTROL_DWORD 4 /* DWORD 5 */ 556 557 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */ 558 #define OSC_QUERY_ENABLE 0x00000001 /* input */ 559 #define OSC_REQUEST_ERROR 0x00000002 /* return */ 560 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */ 561 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */ 562 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */ 563 564 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */ 565 #define OSC_SB_PAD_SUPPORT 0x00000001 566 #define OSC_SB_PPC_OST_SUPPORT 0x00000002 567 #define OSC_SB_PR3_SUPPORT 0x00000004 568 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008 569 #define OSC_SB_APEI_SUPPORT 0x00000010 570 #define OSC_SB_CPC_SUPPORT 0x00000020 571 #define OSC_SB_CPCV2_SUPPORT 0x00000040 572 #define OSC_SB_PCLPI_SUPPORT 0x00000080 573 #define OSC_SB_OSLPI_SUPPORT 0x00000100 574 #define OSC_SB_FAST_THERMAL_SAMPLING_SUPPORT 0x00000200 575 #define OSC_SB_OVER_16_PSTATES_SUPPORT 0x00000400 576 #define OSC_SB_GED_SUPPORT 0x00000800 577 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 578 #define OSC_SB_IRQ_RESOURCE_SOURCE_SUPPORT 0x00002000 579 #define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000 580 #define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00020000 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 /* Get rid of the -Wunused-variable for adev */ 780 #define acpi_dev_uid_match(adev, uid2) (adev && false) 781 #define acpi_dev_hid_uid_match(adev, hid2, uid2) (adev && false) 782 783 #include <acpi/acpi_numa.h> 784 785 struct fwnode_handle; 786 787 static inline bool acpi_dev_found(const char *hid) 788 { 789 return false; 790 } 791 792 static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv) 793 { 794 return false; 795 } 796 797 struct acpi_device; 798 799 static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer) 800 { 801 return -ENODEV; 802 } 803 804 static inline struct acpi_device * 805 acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv) 806 { 807 return NULL; 808 } 809 810 static inline bool acpi_reduced_hardware(void) 811 { 812 return false; 813 } 814 815 static inline void acpi_dev_put(struct acpi_device *adev) {} 816 817 static inline bool is_acpi_node(const struct fwnode_handle *fwnode) 818 { 819 return false; 820 } 821 822 static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode) 823 { 824 return false; 825 } 826 827 static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode) 828 { 829 return NULL; 830 } 831 832 static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode) 833 { 834 return false; 835 } 836 837 static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode) 838 { 839 return NULL; 840 } 841 842 static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode, 843 const char *name) 844 { 845 return false; 846 } 847 848 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) 849 { 850 return NULL; 851 } 852 853 static inline bool has_acpi_companion(struct device *dev) 854 { 855 return false; 856 } 857 858 static inline void acpi_preset_companion(struct device *dev, 859 struct acpi_device *parent, u64 addr) 860 { 861 } 862 863 static inline const char *acpi_dev_name(struct acpi_device *adev) 864 { 865 return NULL; 866 } 867 868 static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev) 869 { 870 return NULL; 871 } 872 873 static inline void acpi_early_init(void) { } 874 static inline void acpi_subsystem_init(void) { } 875 876 static inline int early_acpi_boot_init(void) 877 { 878 return 0; 879 } 880 static inline int acpi_boot_init(void) 881 { 882 return 0; 883 } 884 885 static inline void acpi_boot_table_prepare(void) 886 { 887 } 888 889 static inline void acpi_boot_table_init(void) 890 { 891 } 892 893 static inline int acpi_mps_check(void) 894 { 895 return 0; 896 } 897 898 static inline int acpi_check_resource_conflict(struct resource *res) 899 { 900 return 0; 901 } 902 903 static inline int acpi_check_region(resource_size_t start, resource_size_t n, 904 const char *name) 905 { 906 return 0; 907 } 908 909 struct acpi_table_header; 910 static inline int acpi_table_parse(char *id, 911 int (*handler)(struct acpi_table_header *)) 912 { 913 return -ENODEV; 914 } 915 916 static inline int acpi_nvs_register(__u64 start, __u64 size) 917 { 918 return 0; 919 } 920 921 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 922 void *data) 923 { 924 return 0; 925 } 926 927 struct acpi_device_id; 928 929 static inline const struct acpi_device_id *acpi_match_acpi_device( 930 const struct acpi_device_id *ids, const struct acpi_device *adev) 931 { 932 return NULL; 933 } 934 935 static inline const struct acpi_device_id *acpi_match_device( 936 const struct acpi_device_id *ids, const struct device *dev) 937 { 938 return NULL; 939 } 940 941 static inline const void *acpi_device_get_match_data(const struct device *dev) 942 { 943 return NULL; 944 } 945 946 static inline bool acpi_driver_match_device(struct device *dev, 947 const struct device_driver *drv) 948 { 949 return false; 950 } 951 952 static inline bool acpi_check_dsm(acpi_handle handle, const guid_t *guid, 953 u64 rev, u64 funcs) 954 { 955 return false; 956 } 957 958 static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle, 959 const guid_t *guid, 960 u64 rev, u64 func, 961 union acpi_object *argv4) 962 { 963 return NULL; 964 } 965 966 static inline union acpi_object *acpi_evaluate_dsm_typed(acpi_handle handle, 967 const guid_t *guid, 968 u64 rev, u64 func, 969 union acpi_object *argv4, 970 acpi_object_type type) 971 { 972 return NULL; 973 } 974 975 static inline int acpi_device_uevent_modalias(const struct device *dev, 976 struct kobj_uevent_env *env) 977 { 978 return -ENODEV; 979 } 980 981 static inline int acpi_device_modalias(struct device *dev, 982 char *buf, int size) 983 { 984 return -ENODEV; 985 } 986 987 static inline struct platform_device * 988 acpi_create_platform_device(struct acpi_device *adev, 989 const struct property_entry *properties) 990 { 991 return NULL; 992 } 993 994 static inline bool acpi_dma_supported(const struct acpi_device *adev) 995 { 996 return false; 997 } 998 999 static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev) 1000 { 1001 return DEV_DMA_NOT_SUPPORTED; 1002 } 1003 1004 static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map) 1005 { 1006 return -ENODEV; 1007 } 1008 1009 static inline int acpi_dma_configure(struct device *dev, 1010 enum dev_dma_attr attr) 1011 { 1012 return 0; 1013 } 1014 1015 static inline int acpi_dma_configure_id(struct device *dev, 1016 enum dev_dma_attr attr, 1017 const u32 *input_id) 1018 { 1019 return 0; 1020 } 1021 1022 #define ACPI_PTR(_ptr) (NULL) 1023 1024 static inline void acpi_device_set_enumerated(struct acpi_device *adev) 1025 { 1026 } 1027 1028 static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 1029 { 1030 } 1031 1032 static inline int acpi_reconfig_notifier_register(struct notifier_block *nb) 1033 { 1034 return -EINVAL; 1035 } 1036 1037 static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb) 1038 { 1039 return -EINVAL; 1040 } 1041 1042 static inline struct acpi_device *acpi_resource_consumer(struct resource *res) 1043 { 1044 return NULL; 1045 } 1046 1047 static inline int acpi_get_local_address(acpi_handle handle, u32 *addr) 1048 { 1049 return -ENODEV; 1050 } 1051 1052 static inline const char *acpi_get_subsystem_id(acpi_handle handle) 1053 { 1054 return ERR_PTR(-ENODEV); 1055 } 1056 1057 static inline int acpi_register_wakeup_handler(int wake_irq, 1058 bool (*wakeup)(void *context), void *context) 1059 { 1060 return -ENXIO; 1061 } 1062 1063 static inline void acpi_unregister_wakeup_handler( 1064 bool (*wakeup)(void *context), void *context) { } 1065 1066 struct acpi_osc_context; 1067 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context) 1068 { 1069 return 0; 1070 } 1071 1072 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context) 1073 { 1074 return 0; 1075 } 1076 1077 static inline bool acpi_sleep_state_supported(u8 sleep_state) 1078 { 1079 return false; 1080 } 1081 1082 #endif /* !CONFIG_ACPI */ 1083 1084 extern void arch_post_acpi_subsys_init(void); 1085 1086 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 1087 int acpi_ioapic_add(acpi_handle root); 1088 #else 1089 static inline int acpi_ioapic_add(acpi_handle root) { return 0; } 1090 #endif 1091 1092 #ifdef CONFIG_ACPI 1093 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, 1094 u32 pm1a_ctrl, u32 pm1b_ctrl)); 1095 1096 acpi_status acpi_os_prepare_sleep(u8 sleep_state, 1097 u32 pm1a_control, u32 pm1b_control); 1098 1099 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, 1100 u32 val_a, u32 val_b)); 1101 1102 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, 1103 u32 val_a, u32 val_b); 1104 #if defined(CONFIG_SUSPEND) && defined(CONFIG_X86) 1105 struct acpi_s2idle_dev_ops { 1106 struct list_head list_node; 1107 void (*prepare)(void); 1108 void (*check)(void); 1109 void (*restore)(void); 1110 }; 1111 int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg); 1112 void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg); 1113 int acpi_get_lps0_constraint(struct acpi_device *adev); 1114 #else /* CONFIG_SUSPEND && CONFIG_X86 */ 1115 static inline int acpi_get_lps0_constraint(struct device *dev) 1116 { 1117 return ACPI_STATE_UNKNOWN; 1118 } 1119 #endif /* CONFIG_SUSPEND && CONFIG_X86 */ 1120 void arch_reserve_mem_area(acpi_physical_address addr, size_t size); 1121 #else 1122 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) 1123 #endif 1124 1125 #if defined(CONFIG_ACPI) && defined(CONFIG_PM) 1126 int acpi_dev_suspend(struct device *dev, bool wakeup); 1127 int acpi_dev_resume(struct device *dev); 1128 int acpi_subsys_runtime_suspend(struct device *dev); 1129 int acpi_subsys_runtime_resume(struct device *dev); 1130 int acpi_dev_pm_attach(struct device *dev, bool power_on); 1131 bool acpi_storage_d3(struct device *dev); 1132 bool acpi_dev_state_d0(struct device *dev); 1133 #else 1134 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } 1135 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } 1136 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) 1137 { 1138 return 0; 1139 } 1140 static inline bool acpi_storage_d3(struct device *dev) 1141 { 1142 return false; 1143 } 1144 static inline bool acpi_dev_state_d0(struct device *dev) 1145 { 1146 return true; 1147 } 1148 #endif 1149 1150 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) 1151 int acpi_subsys_prepare(struct device *dev); 1152 void acpi_subsys_complete(struct device *dev); 1153 int acpi_subsys_suspend_late(struct device *dev); 1154 int acpi_subsys_suspend_noirq(struct device *dev); 1155 int acpi_subsys_suspend(struct device *dev); 1156 int acpi_subsys_freeze(struct device *dev); 1157 int acpi_subsys_poweroff(struct device *dev); 1158 void acpi_ec_mark_gpe_for_wake(void); 1159 void acpi_ec_set_gpe_wake_mask(u8 action); 1160 int acpi_subsys_restore_early(struct device *dev); 1161 #else 1162 static inline int acpi_subsys_prepare(struct device *dev) { return 0; } 1163 static inline void acpi_subsys_complete(struct device *dev) {} 1164 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } 1165 static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; } 1166 static inline int acpi_subsys_suspend(struct device *dev) { return 0; } 1167 static inline int acpi_subsys_freeze(struct device *dev) { return 0; } 1168 static inline int acpi_subsys_poweroff(struct device *dev) { return 0; } 1169 static inline int acpi_subsys_restore_early(struct device *dev) { return 0; } 1170 static inline void acpi_ec_mark_gpe_for_wake(void) {} 1171 static inline void acpi_ec_set_gpe_wake_mask(u8 action) {} 1172 #endif 1173 1174 #ifdef CONFIG_ACPI 1175 char *acpi_handle_path(acpi_handle handle); 1176 __printf(3, 4) 1177 void acpi_handle_printk(const char *level, acpi_handle handle, 1178 const char *fmt, ...); 1179 void acpi_evaluation_failure_warn(acpi_handle handle, const char *name, 1180 acpi_status status); 1181 #else /* !CONFIG_ACPI */ 1182 static inline __printf(3, 4) void 1183 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} 1184 static inline void acpi_evaluation_failure_warn(acpi_handle handle, 1185 const char *name, 1186 acpi_status status) {} 1187 #endif /* !CONFIG_ACPI */ 1188 1189 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) 1190 __printf(3, 4) 1191 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); 1192 #endif 1193 1194 /* 1195 * acpi_handle_<level>: Print message with ACPI prefix and object path 1196 * 1197 * These interfaces acquire the global namespace mutex to obtain an object 1198 * path. In interrupt context, it shows the object path as <n/a>. 1199 */ 1200 #define acpi_handle_emerg(handle, fmt, ...) \ 1201 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) 1202 #define acpi_handle_alert(handle, fmt, ...) \ 1203 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) 1204 #define acpi_handle_crit(handle, fmt, ...) \ 1205 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) 1206 #define acpi_handle_err(handle, fmt, ...) \ 1207 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) 1208 #define acpi_handle_warn(handle, fmt, ...) \ 1209 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) 1210 #define acpi_handle_notice(handle, fmt, ...) \ 1211 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) 1212 #define acpi_handle_info(handle, fmt, ...) \ 1213 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) 1214 1215 #if defined(DEBUG) 1216 #define acpi_handle_debug(handle, fmt, ...) \ 1217 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) 1218 #else 1219 #if defined(CONFIG_DYNAMIC_DEBUG) 1220 #define acpi_handle_debug(handle, fmt, ...) \ 1221 _dynamic_func_call(fmt, __acpi_handle_debug, \ 1222 handle, pr_fmt(fmt), ##__VA_ARGS__) 1223 #else 1224 #define acpi_handle_debug(handle, fmt, ...) \ 1225 ({ \ 1226 if (0) \ 1227 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ 1228 0; \ 1229 }) 1230 #endif 1231 #endif 1232 1233 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) 1234 bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1235 struct acpi_resource_gpio **agpio); 1236 bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1237 struct acpi_resource_gpio **agpio); 1238 int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id, int index, 1239 bool *wake_capable); 1240 #else 1241 static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1242 struct acpi_resource_gpio **agpio) 1243 { 1244 return false; 1245 } 1246 static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1247 struct acpi_resource_gpio **agpio) 1248 { 1249 return false; 1250 } 1251 static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id, 1252 int index, bool *wake_capable) 1253 { 1254 return -ENXIO; 1255 } 1256 #endif 1257 1258 static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index, 1259 bool *wake_capable) 1260 { 1261 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable); 1262 } 1263 1264 static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *con_id, 1265 int index) 1266 { 1267 return acpi_dev_gpio_irq_wake_get_by(adev, con_id, index, NULL); 1268 } 1269 1270 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) 1271 { 1272 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL); 1273 } 1274 1275 /* Device properties */ 1276 1277 #ifdef CONFIG_ACPI 1278 int acpi_dev_get_property(const struct acpi_device *adev, const char *name, 1279 acpi_object_type type, const union acpi_object **obj); 1280 int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1281 const char *name, size_t index, size_t num_args, 1282 struct fwnode_reference_args *args); 1283 1284 static inline int acpi_node_get_property_reference( 1285 const struct fwnode_handle *fwnode, 1286 const char *name, size_t index, 1287 struct fwnode_reference_args *args) 1288 { 1289 return __acpi_node_get_property_reference(fwnode, name, index, 1290 NR_FWNODE_REFERENCE_ARGS, args); 1291 } 1292 1293 static inline bool acpi_dev_has_props(const struct acpi_device *adev) 1294 { 1295 return !list_empty(&adev->data.properties); 1296 } 1297 1298 struct acpi_device_properties * 1299 acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid, 1300 union acpi_object *properties); 1301 1302 int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname, 1303 void **valptr); 1304 1305 struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1306 struct fwnode_handle *child); 1307 1308 struct acpi_probe_entry; 1309 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *, 1310 struct acpi_probe_entry *); 1311 1312 #define ACPI_TABLE_ID_LEN 5 1313 1314 /** 1315 * struct acpi_probe_entry - boot-time probing entry 1316 * @id: ACPI table name 1317 * @type: Optional subtable type to match 1318 * (if @id contains subtables) 1319 * @subtable_valid: Optional callback to check the validity of 1320 * the subtable 1321 * @probe_table: Callback to the driver being probed when table 1322 * match is successful 1323 * @probe_subtbl: Callback to the driver being probed when table and 1324 * subtable match (and optional callback is successful) 1325 * @driver_data: Sideband data provided back to the driver 1326 */ 1327 struct acpi_probe_entry { 1328 __u8 id[ACPI_TABLE_ID_LEN]; 1329 __u8 type; 1330 acpi_probe_entry_validate_subtbl subtable_valid; 1331 union { 1332 acpi_tbl_table_handler probe_table; 1333 acpi_tbl_entry_handler probe_subtbl; 1334 }; 1335 kernel_ulong_t driver_data; 1336 }; 1337 1338 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \ 1339 valid, data, fn) \ 1340 static const struct acpi_probe_entry __acpi_probe_##name \ 1341 __used __section("__" #table "_acpi_probe_table") = { \ 1342 .id = table_id, \ 1343 .type = subtable, \ 1344 .subtable_valid = valid, \ 1345 .probe_table = fn, \ 1346 .driver_data = data, \ 1347 } 1348 1349 #define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \ 1350 subtable, valid, data, fn) \ 1351 static const struct acpi_probe_entry __acpi_probe_##name \ 1352 __used __section("__" #table "_acpi_probe_table") = { \ 1353 .id = table_id, \ 1354 .type = subtable, \ 1355 .subtable_valid = valid, \ 1356 .probe_subtbl = fn, \ 1357 .driver_data = data, \ 1358 } 1359 1360 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table 1361 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end 1362 1363 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr); 1364 1365 #define acpi_probe_device_table(t) \ 1366 ({ \ 1367 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \ 1368 ACPI_PROBE_TABLE_END(t); \ 1369 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \ 1370 (&ACPI_PROBE_TABLE_END(t) - \ 1371 &ACPI_PROBE_TABLE(t))); \ 1372 }) 1373 #else 1374 static inline int acpi_dev_get_property(struct acpi_device *adev, 1375 const char *name, acpi_object_type type, 1376 const union acpi_object **obj) 1377 { 1378 return -ENXIO; 1379 } 1380 1381 static inline int 1382 __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1383 const char *name, size_t index, size_t num_args, 1384 struct fwnode_reference_args *args) 1385 { 1386 return -ENXIO; 1387 } 1388 1389 static inline int 1390 acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1391 const char *name, size_t index, 1392 struct fwnode_reference_args *args) 1393 { 1394 return -ENXIO; 1395 } 1396 1397 static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode, 1398 const char *propname, 1399 void **valptr) 1400 { 1401 return -ENXIO; 1402 } 1403 1404 static inline struct fwnode_handle * 1405 acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1406 struct fwnode_handle *child) 1407 { 1408 return NULL; 1409 } 1410 1411 static inline struct fwnode_handle * 1412 acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode, 1413 struct fwnode_handle *prev) 1414 { 1415 return ERR_PTR(-ENXIO); 1416 } 1417 1418 static inline int 1419 acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode, 1420 struct fwnode_handle **remote, 1421 struct fwnode_handle **port, 1422 struct fwnode_handle **endpoint) 1423 { 1424 return -ENXIO; 1425 } 1426 1427 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ 1428 static const void * __acpi_table_##name[] \ 1429 __attribute__((unused)) \ 1430 = { (void *) table_id, \ 1431 (void *) subtable, \ 1432 (void *) valid, \ 1433 (void *) fn, \ 1434 (void *) data } 1435 1436 #define acpi_probe_device_table(t) ({ int __r = 0; __r;}) 1437 #endif 1438 1439 #ifdef CONFIG_ACPI_TABLE_UPGRADE 1440 void acpi_table_upgrade(void); 1441 #else 1442 static inline void acpi_table_upgrade(void) { } 1443 #endif 1444 1445 #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG) 1446 extern bool acpi_has_watchdog(void); 1447 #else 1448 static inline bool acpi_has_watchdog(void) { return false; } 1449 #endif 1450 1451 #ifdef CONFIG_ACPI_SPCR_TABLE 1452 extern bool qdf2400_e44_present; 1453 int acpi_parse_spcr(bool enable_earlycon, bool enable_console); 1454 #else 1455 static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console) 1456 { 1457 return 0; 1458 } 1459 #endif 1460 1461 #if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI) 1462 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res); 1463 #else 1464 static inline 1465 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res) 1466 { 1467 return -EINVAL; 1468 } 1469 #endif 1470 1471 #ifdef CONFIG_ACPI_LPIT 1472 int lpit_read_residency_count_address(u64 *address); 1473 #else 1474 static inline int lpit_read_residency_count_address(u64 *address) 1475 { 1476 return -EINVAL; 1477 } 1478 #endif 1479 1480 #ifdef CONFIG_ACPI_PROCESSOR_IDLE 1481 #ifndef arch_get_idle_state_flags 1482 static inline unsigned int arch_get_idle_state_flags(u32 arch_flags) 1483 { 1484 return 0; 1485 } 1486 #endif 1487 #endif /* CONFIG_ACPI_PROCESSOR_IDLE */ 1488 1489 #ifdef CONFIG_ACPI_PPTT 1490 int acpi_pptt_cpu_is_thread(unsigned int cpu); 1491 int find_acpi_cpu_topology(unsigned int cpu, int level); 1492 int find_acpi_cpu_topology_cluster(unsigned int cpu); 1493 int find_acpi_cpu_topology_package(unsigned int cpu); 1494 int find_acpi_cpu_topology_hetero_id(unsigned int cpu); 1495 #else 1496 static inline int acpi_pptt_cpu_is_thread(unsigned int cpu) 1497 { 1498 return -EINVAL; 1499 } 1500 static inline int find_acpi_cpu_topology(unsigned int cpu, int level) 1501 { 1502 return -EINVAL; 1503 } 1504 static inline int find_acpi_cpu_topology_cluster(unsigned int cpu) 1505 { 1506 return -EINVAL; 1507 } 1508 static inline int find_acpi_cpu_topology_package(unsigned int cpu) 1509 { 1510 return -EINVAL; 1511 } 1512 static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu) 1513 { 1514 return -EINVAL; 1515 } 1516 #endif 1517 1518 #ifdef CONFIG_ARM64 1519 void acpi_arm_init(void); 1520 #else 1521 static inline void acpi_arm_init(void) { } 1522 #endif 1523 1524 #ifdef CONFIG_ACPI_PCC 1525 void acpi_init_pcc(void); 1526 #else 1527 static inline void acpi_init_pcc(void) { } 1528 #endif 1529 1530 #ifdef CONFIG_ACPI_FFH 1531 void acpi_init_ffh(void); 1532 extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt, 1533 void **region_ctxt); 1534 extern int acpi_ffh_address_space_arch_handler(acpi_integer *value, 1535 void *region_context); 1536 #else 1537 static inline void acpi_init_ffh(void) { } 1538 #endif 1539 1540 #ifdef CONFIG_ACPI 1541 extern void acpi_device_notify(struct device *dev); 1542 extern void acpi_device_notify_remove(struct device *dev); 1543 #else 1544 static inline void acpi_device_notify(struct device *dev) { } 1545 static inline void acpi_device_notify_remove(struct device *dev) { } 1546 #endif 1547 1548 static inline void acpi_use_parent_companion(struct device *dev) 1549 { 1550 ACPI_COMPANION_SET(dev, ACPI_COMPANION(dev->parent)); 1551 } 1552 1553 #ifdef CONFIG_ACPI_HMAT 1554 int hmat_update_target_coordinates(int nid, struct access_coordinate *coord, 1555 enum access_coordinate_class access); 1556 #else 1557 static inline int hmat_update_target_coordinates(int nid, 1558 struct access_coordinate *coord, 1559 enum access_coordinate_class access) 1560 { 1561 return -EOPNOTSUPP; 1562 } 1563 #endif 1564 1565 #ifdef CONFIG_ACPI_NUMA 1566 bool acpi_node_backed_by_real_pxm(int nid); 1567 #else 1568 static inline bool acpi_node_backed_by_real_pxm(int nid) 1569 { 1570 return false; 1571 } 1572 #endif 1573 1574 #endif /*_LINUX_ACPI_H*/ 1575