1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * acpi.h - ACPI Interface 4 * 5 * Copyright (C) 2001 Paul Diefenbaugh <[email protected]> 6 */ 7 8 #ifndef _LINUX_ACPI_H 9 #define _LINUX_ACPI_H 10 11 #include <linux/errno.h> 12 #include <linux/ioport.h> /* for struct resource */ 13 #include <linux/resource_ext.h> 14 #include <linux/device.h> 15 #include <linux/mod_devicetable.h> 16 #include <linux/property.h> 17 #include <linux/uuid.h> 18 #include <linux/node.h> 19 20 struct irq_domain; 21 struct irq_domain_ops; 22 23 #ifndef _LINUX 24 #define _LINUX 25 #endif 26 #include <acpi/acpi.h> 27 28 #ifdef CONFIG_ACPI 29 30 #include <linux/list.h> 31 #include <linux/dynamic_debug.h> 32 #include <linux/module.h> 33 #include <linux/mutex.h> 34 #include <linux/fw_table.h> 35 36 #include <acpi/acpi_bus.h> 37 #include <acpi/acpi_drivers.h> 38 #include <acpi/acpi_numa.h> 39 #include <acpi/acpi_io.h> 40 #include <asm/acpi.h> 41 42 #ifdef CONFIG_ACPI_TABLE_LIB 43 #define EXPORT_SYMBOL_ACPI_LIB(x) EXPORT_SYMBOL_NS_GPL(x, ACPI) 44 #define __init_or_acpilib 45 #define __initdata_or_acpilib 46 #else 47 #define EXPORT_SYMBOL_ACPI_LIB(x) 48 #define __init_or_acpilib __init 49 #define __initdata_or_acpilib __initdata 50 #endif 51 52 static inline acpi_handle acpi_device_handle(struct acpi_device *adev) 53 { 54 return adev ? adev->handle : NULL; 55 } 56 57 #define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode) 58 #define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \ 59 acpi_fwnode_handle(adev) : NULL) 60 #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev)) 61 #define ACPI_HANDLE_FWNODE(fwnode) \ 62 acpi_device_handle(to_acpi_device_node(fwnode)) 63 64 static inline struct fwnode_handle *acpi_alloc_fwnode_static(void) 65 { 66 struct fwnode_handle *fwnode; 67 68 fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL); 69 if (!fwnode) 70 return NULL; 71 72 fwnode_init(fwnode, &acpi_static_fwnode_ops); 73 74 return fwnode; 75 } 76 77 static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode) 78 { 79 if (WARN_ON(!is_acpi_static_node(fwnode))) 80 return; 81 82 kfree(fwnode); 83 } 84 85 static inline bool has_acpi_companion(struct device *dev) 86 { 87 return is_acpi_device_node(dev->fwnode); 88 } 89 90 static inline void acpi_preset_companion(struct device *dev, 91 struct acpi_device *parent, u64 addr) 92 { 93 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false)); 94 } 95 96 static inline const char *acpi_dev_name(struct acpi_device *adev) 97 { 98 return dev_name(&adev->dev); 99 } 100 101 struct device *acpi_get_first_physical_node(struct acpi_device *adev); 102 103 enum acpi_irq_model_id { 104 ACPI_IRQ_MODEL_PIC = 0, 105 ACPI_IRQ_MODEL_IOAPIC, 106 ACPI_IRQ_MODEL_IOSAPIC, 107 ACPI_IRQ_MODEL_PLATFORM, 108 ACPI_IRQ_MODEL_GIC, 109 ACPI_IRQ_MODEL_LPIC, 110 ACPI_IRQ_MODEL_COUNT 111 }; 112 113 extern enum acpi_irq_model_id acpi_irq_model; 114 115 enum acpi_interrupt_id { 116 ACPI_INTERRUPT_PMI = 1, 117 ACPI_INTERRUPT_INIT, 118 ACPI_INTERRUPT_CPEI, 119 ACPI_INTERRUPT_COUNT 120 }; 121 122 #define ACPI_SPACE_MEM 0 123 124 enum acpi_address_range_id { 125 ACPI_ADDRESS_RANGE_MEMORY = 1, 126 ACPI_ADDRESS_RANGE_RESERVED = 2, 127 ACPI_ADDRESS_RANGE_ACPI = 3, 128 ACPI_ADDRESS_RANGE_NVS = 4, 129 ACPI_ADDRESS_RANGE_COUNT 130 }; 131 132 133 /* Table Handlers */ 134 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table); 135 136 /* Debugger support */ 137 138 struct acpi_debugger_ops { 139 int (*create_thread)(acpi_osd_exec_callback function, void *context); 140 ssize_t (*write_log)(const char *msg); 141 ssize_t (*read_cmd)(char *buffer, size_t length); 142 int (*wait_command_ready)(bool single_step, char *buffer, size_t length); 143 int (*notify_command_complete)(void); 144 }; 145 146 struct acpi_debugger { 147 const struct acpi_debugger_ops *ops; 148 struct module *owner; 149 struct mutex lock; 150 }; 151 152 #ifdef CONFIG_ACPI_DEBUGGER 153 int __init acpi_debugger_init(void); 154 int acpi_register_debugger(struct module *owner, 155 const struct acpi_debugger_ops *ops); 156 void acpi_unregister_debugger(const struct acpi_debugger_ops *ops); 157 int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context); 158 ssize_t acpi_debugger_write_log(const char *msg); 159 ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length); 160 int acpi_debugger_wait_command_ready(void); 161 int acpi_debugger_notify_command_complete(void); 162 #else 163 static inline int acpi_debugger_init(void) 164 { 165 return -ENODEV; 166 } 167 168 static inline int acpi_register_debugger(struct module *owner, 169 const struct acpi_debugger_ops *ops) 170 { 171 return -ENODEV; 172 } 173 174 static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops) 175 { 176 } 177 178 static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function, 179 void *context) 180 { 181 return -ENODEV; 182 } 183 184 static inline int acpi_debugger_write_log(const char *msg) 185 { 186 return -ENODEV; 187 } 188 189 static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length) 190 { 191 return -ENODEV; 192 } 193 194 static inline int acpi_debugger_wait_command_ready(void) 195 { 196 return -ENODEV; 197 } 198 199 static inline int acpi_debugger_notify_command_complete(void) 200 { 201 return -ENODEV; 202 } 203 #endif 204 205 #define BAD_MADT_ENTRY(entry, end) ( \ 206 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \ 207 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry)) 208 209 void __iomem *__acpi_map_table(unsigned long phys, unsigned long size); 210 void __acpi_unmap_table(void __iomem *map, unsigned long size); 211 int early_acpi_boot_init(void); 212 int acpi_boot_init (void); 213 void acpi_boot_table_prepare (void); 214 void acpi_boot_table_init (void); 215 int acpi_mps_check (void); 216 int acpi_numa_init (void); 217 218 int acpi_locate_initial_tables (void); 219 void acpi_reserve_initial_tables (void); 220 void acpi_table_init_complete (void); 221 int acpi_table_init (void); 222 223 int acpi_table_parse(char *id, acpi_tbl_table_handler handler); 224 int __init_or_acpilib acpi_table_parse_entries(char *id, 225 unsigned long table_size, int entry_id, 226 acpi_tbl_entry_handler handler, unsigned int max_entries); 227 int __init_or_acpilib acpi_table_parse_entries_array(char *id, 228 unsigned long table_size, struct acpi_subtable_proc *proc, 229 int proc_num, unsigned int max_entries); 230 int acpi_table_parse_madt(enum acpi_madt_type id, 231 acpi_tbl_entry_handler handler, 232 unsigned int max_entries); 233 int __init_or_acpilib 234 acpi_table_parse_cedt(enum acpi_cedt_type id, 235 acpi_tbl_entry_handler_arg handler_arg, void *arg); 236 237 int acpi_parse_mcfg (struct acpi_table_header *header); 238 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); 239 240 static inline bool acpi_gicc_is_usable(struct acpi_madt_generic_interrupt *gicc) 241 { 242 return gicc->flags & ACPI_MADT_ENABLED; 243 } 244 245 /* the following numa functions are architecture-dependent */ 246 void acpi_numa_slit_init (struct acpi_table_slit *slit); 247 248 #if defined(CONFIG_X86) || defined(CONFIG_LOONGARCH) 249 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); 250 #else 251 static inline void 252 acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { } 253 #endif 254 255 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); 256 257 #if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH) 258 void acpi_arch_dma_setup(struct device *dev); 259 #else 260 static inline void acpi_arch_dma_setup(struct device *dev) { } 261 #endif 262 263 #ifdef CONFIG_ARM64 264 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa); 265 #else 266 static inline void 267 acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { } 268 #endif 269 270 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma); 271 272 #ifndef PHYS_CPUID_INVALID 273 typedef u32 phys_cpuid_t; 274 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1) 275 #endif 276 277 static inline bool invalid_logical_cpuid(u32 cpuid) 278 { 279 return (int)cpuid < 0; 280 } 281 282 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id) 283 { 284 return phys_id == PHYS_CPUID_INVALID; 285 } 286 287 /* Validate the processor object's proc_id */ 288 bool acpi_duplicate_processor_id(int proc_id); 289 /* Processor _CTS control */ 290 struct acpi_processor_power; 291 292 #ifdef CONFIG_ACPI_PROCESSOR_CSTATE 293 bool acpi_processor_claim_cst_control(void); 294 int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, 295 struct acpi_processor_power *info); 296 #else 297 static inline bool acpi_processor_claim_cst_control(void) { return false; } 298 static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, 299 struct acpi_processor_power *info) 300 { 301 return -ENODEV; 302 } 303 #endif 304 305 #ifdef CONFIG_ACPI_HOTPLUG_CPU 306 /* Arch dependent functions for cpu hotplug support */ 307 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id, 308 int *pcpu); 309 int acpi_unmap_cpu(int cpu); 310 #endif /* CONFIG_ACPI_HOTPLUG_CPU */ 311 312 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 313 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr); 314 #endif 315 316 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); 317 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); 318 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base); 319 void acpi_irq_stats_init(void); 320 extern u32 acpi_irq_handled; 321 extern u32 acpi_irq_not_handled; 322 extern unsigned int acpi_sci_irq; 323 extern bool acpi_no_s5; 324 #define INVALID_ACPI_IRQ ((unsigned)-1) 325 static inline bool acpi_sci_irq_valid(void) 326 { 327 return acpi_sci_irq != INVALID_ACPI_IRQ; 328 } 329 330 extern int sbf_port; 331 extern unsigned long acpi_realmode_flags; 332 333 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); 334 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 335 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); 336 337 void acpi_set_irq_model(enum acpi_irq_model_id model, 338 struct fwnode_handle *(*)(u32)); 339 void acpi_set_gsi_to_irq_fallback(u32 (*)(u32)); 340 341 struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags, 342 unsigned int size, 343 struct fwnode_handle *fwnode, 344 const struct irq_domain_ops *ops, 345 void *host_data); 346 347 #ifdef CONFIG_X86_IO_APIC 348 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); 349 #else 350 static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity) 351 { 352 return -1; 353 } 354 #endif 355 /* 356 * This function undoes the effect of one call to acpi_register_gsi(). 357 * If this matches the last registration, any IRQ resources for gsi 358 * are freed. 359 */ 360 void acpi_unregister_gsi (u32 gsi); 361 362 struct pci_dev; 363 364 int acpi_pci_irq_enable (struct pci_dev *dev); 365 void acpi_penalize_isa_irq(int irq, int active); 366 bool acpi_isa_irq_available(int irq); 367 #ifdef CONFIG_PCI 368 void acpi_penalize_sci_irq(int irq, int trigger, int polarity); 369 #else 370 static inline void acpi_penalize_sci_irq(int irq, int trigger, 371 int polarity) 372 { 373 } 374 #endif 375 void acpi_pci_irq_disable (struct pci_dev *dev); 376 377 extern int ec_read(u8 addr, u8 *val); 378 extern int ec_write(u8 addr, u8 val); 379 extern int ec_transaction(u8 command, 380 const u8 *wdata, unsigned wdata_len, 381 u8 *rdata, unsigned rdata_len); 382 extern acpi_handle ec_get_handle(void); 383 384 extern bool acpi_is_pnp_device(struct acpi_device *); 385 386 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 387 388 typedef void (*wmi_notify_handler) (u32 value, void *context); 389 390 int wmi_instance_count(const char *guid); 391 392 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 393 u32 method_id, 394 const struct acpi_buffer *in, 395 struct acpi_buffer *out); 396 extern acpi_status wmi_query_block(const char *guid, u8 instance, 397 struct acpi_buffer *out); 398 extern acpi_status wmi_set_block(const char *guid, u8 instance, 399 const struct acpi_buffer *in); 400 extern acpi_status wmi_install_notify_handler(const char *guid, 401 wmi_notify_handler handler, void *data); 402 extern acpi_status wmi_remove_notify_handler(const char *guid); 403 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); 404 extern bool wmi_has_guid(const char *guid); 405 extern char *wmi_get_acpi_device_uid(const char *guid); 406 407 #endif /* CONFIG_ACPI_WMI */ 408 409 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 410 #define ACPI_VIDEO_DEVICE_POSTING 0x0002 411 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004 412 #define ACPI_VIDEO_BACKLIGHT 0x0008 413 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 414 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 415 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 416 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 417 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 418 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 419 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 420 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 421 422 extern char acpi_video_backlight_string[]; 423 extern long acpi_is_video_device(acpi_handle handle); 424 extern int acpi_blacklisted(void); 425 extern void acpi_osi_setup(char *str); 426 extern bool acpi_osi_is_win8(void); 427 428 #ifdef CONFIG_ACPI_THERMAL_LIB 429 int thermal_acpi_active_trip_temp(struct acpi_device *adev, int id, int *ret_temp); 430 int thermal_acpi_passive_trip_temp(struct acpi_device *adev, int *ret_temp); 431 int thermal_acpi_hot_trip_temp(struct acpi_device *adev, int *ret_temp); 432 int thermal_acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp); 433 #endif 434 435 #ifdef CONFIG_ACPI_HMAT 436 int acpi_get_genport_coordinates(u32 uid, struct access_coordinate *coord); 437 #else 438 static inline int acpi_get_genport_coordinates(u32 uid, 439 struct access_coordinate *coord) 440 { 441 return -EOPNOTSUPP; 442 } 443 #endif 444 445 #ifdef CONFIG_ACPI_NUMA 446 int acpi_map_pxm_to_node(int pxm); 447 int acpi_get_node(acpi_handle handle); 448 449 /** 450 * pxm_to_online_node - Map proximity ID to online node 451 * @pxm: ACPI proximity ID 452 * 453 * This is similar to pxm_to_node(), but always returns an online 454 * node. When the mapped node from a given proximity ID is offline, it 455 * looks up the node distance table and returns the nearest online node. 456 * 457 * ACPI device drivers, which are called after the NUMA initialization has 458 * completed in the kernel, can call this interface to obtain their device 459 * NUMA topology from ACPI tables. Such drivers do not have to deal with 460 * offline nodes. A node may be offline when SRAT memory entry does not exist, 461 * or NUMA is disabled, ex. "numa=off" on x86. 462 */ 463 static inline int pxm_to_online_node(int pxm) 464 { 465 int node = pxm_to_node(pxm); 466 467 return numa_map_to_online_node(node); 468 } 469 #else 470 static inline int pxm_to_online_node(int pxm) 471 { 472 return 0; 473 } 474 static inline int acpi_map_pxm_to_node(int pxm) 475 { 476 return 0; 477 } 478 static inline int acpi_get_node(acpi_handle handle) 479 { 480 return 0; 481 } 482 #endif 483 extern int pnpacpi_disabled; 484 485 #define PXM_INVAL (-1) 486 487 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res); 488 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res); 489 bool acpi_dev_resource_address_space(struct acpi_resource *ares, 490 struct resource_win *win); 491 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, 492 struct resource_win *win); 493 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, u8 wake_capable); 494 unsigned int acpi_dev_get_irq_type(int triggering, int polarity); 495 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, 496 struct resource *res); 497 498 void acpi_dev_free_resource_list(struct list_head *list); 499 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, 500 int (*preproc)(struct acpi_resource *, void *), 501 void *preproc_data); 502 int acpi_dev_get_dma_resources(struct acpi_device *adev, 503 struct list_head *list); 504 int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list); 505 int acpi_dev_filter_resource_type(struct acpi_resource *ares, 506 unsigned long types); 507 508 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares, 509 void *arg) 510 { 511 return acpi_dev_filter_resource_type(ares, (unsigned long)arg); 512 } 513 514 struct acpi_device *acpi_resource_consumer(struct resource *res); 515 516 int acpi_check_resource_conflict(const struct resource *res); 517 518 int acpi_check_region(resource_size_t start, resource_size_t n, 519 const char *name); 520 521 int acpi_resources_are_enforced(void); 522 523 #ifdef CONFIG_HIBERNATION 524 extern int acpi_check_s4_hw_signature; 525 #endif 526 527 #ifdef CONFIG_PM_SLEEP 528 void __init acpi_old_suspend_ordering(void); 529 void __init acpi_nvs_nosave(void); 530 void __init acpi_nvs_nosave_s3(void); 531 void __init acpi_sleep_no_blacklist(void); 532 #endif /* CONFIG_PM_SLEEP */ 533 534 int acpi_register_wakeup_handler( 535 int wake_irq, bool (*wakeup)(void *context), void *context); 536 void acpi_unregister_wakeup_handler( 537 bool (*wakeup)(void *context), void *context); 538 539 struct acpi_osc_context { 540 char *uuid_str; /* UUID string */ 541 int rev; 542 struct acpi_buffer cap; /* list of DWORD capabilities */ 543 struct acpi_buffer ret; /* free by caller if success */ 544 }; 545 546 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); 547 548 /* Number of _OSC capability DWORDS depends on bridge type */ 549 #define OSC_PCI_CAPABILITY_DWORDS 3 550 #define OSC_CXL_CAPABILITY_DWORDS 5 551 552 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */ 553 #define OSC_QUERY_DWORD 0 /* DWORD 1 */ 554 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */ 555 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */ 556 #define OSC_EXT_SUPPORT_DWORD 3 /* DWORD 4 */ 557 #define OSC_EXT_CONTROL_DWORD 4 /* DWORD 5 */ 558 559 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */ 560 #define OSC_QUERY_ENABLE 0x00000001 /* input */ 561 #define OSC_REQUEST_ERROR 0x00000002 /* return */ 562 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */ 563 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */ 564 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */ 565 566 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */ 567 #define OSC_SB_PAD_SUPPORT 0x00000001 568 #define OSC_SB_PPC_OST_SUPPORT 0x00000002 569 #define OSC_SB_PR3_SUPPORT 0x00000004 570 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008 571 #define OSC_SB_APEI_SUPPORT 0x00000010 572 #define OSC_SB_CPC_SUPPORT 0x00000020 573 #define OSC_SB_CPCV2_SUPPORT 0x00000040 574 #define OSC_SB_PCLPI_SUPPORT 0x00000080 575 #define OSC_SB_OSLPI_SUPPORT 0x00000100 576 #define OSC_SB_FAST_THERMAL_SAMPLING_SUPPORT 0x00000200 577 #define OSC_SB_OVER_16_PSTATES_SUPPORT 0x00000400 578 #define OSC_SB_GED_SUPPORT 0x00000800 579 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 580 #define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00002000 581 #define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000 582 #define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000 583 #define OSC_SB_PRM_SUPPORT 0x00200000 584 #define OSC_SB_FFH_OPR_SUPPORT 0x00400000 585 586 extern bool osc_sb_apei_support_acked; 587 extern bool osc_pc_lpi_support_confirmed; 588 extern bool osc_sb_native_usb4_support_confirmed; 589 extern bool osc_sb_cppc2_support_acked; 590 extern bool osc_cpc_flexible_adr_space_confirmed; 591 592 /* USB4 Capabilities */ 593 #define OSC_USB_USB3_TUNNELING 0x00000001 594 #define OSC_USB_DP_TUNNELING 0x00000002 595 #define OSC_USB_PCIE_TUNNELING 0x00000004 596 #define OSC_USB_XDOMAIN 0x00000008 597 598 extern u32 osc_sb_native_usb4_control; 599 600 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */ 601 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001 602 #define OSC_PCI_ASPM_SUPPORT 0x00000002 603 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004 604 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008 605 #define OSC_PCI_MSI_SUPPORT 0x00000010 606 #define OSC_PCI_EDR_SUPPORT 0x00000080 607 #define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100 608 609 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */ 610 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001 611 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002 612 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004 613 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008 614 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010 615 #define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020 616 #define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080 617 618 /* CXL _OSC: Capabilities DWORD 4: Support Field */ 619 #define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT 0x00000001 620 #define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT 0x00000002 621 #define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT 0x00000004 622 #define OSC_CXL_NATIVE_HP_SUPPORT 0x00000008 623 624 /* CXL _OSC: Capabilities DWORD 5: Control Field */ 625 #define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001 626 627 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context) 628 { 629 u32 *ret = context->ret.pointer; 630 631 return ret[OSC_CONTROL_DWORD]; 632 } 633 634 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context) 635 { 636 u32 *ret = context->ret.pointer; 637 638 return ret[OSC_EXT_CONTROL_DWORD]; 639 } 640 641 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002 642 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004 643 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006 644 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008 645 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A 646 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B 647 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C 648 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D 649 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E 650 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F 651 652 /* Enable _OST when all relevant hotplug operations are enabled */ 653 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ 654 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \ 655 defined(CONFIG_ACPI_CONTAINER) 656 #define ACPI_HOTPLUG_OST 657 #endif 658 659 /* _OST Source Event Code (OSPM Action) */ 660 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100 661 #define ACPI_OST_EC_OSPM_EJECT 0x103 662 #define ACPI_OST_EC_OSPM_INSERTION 0x200 663 664 /* _OST General Processing Status Code */ 665 #define ACPI_OST_SC_SUCCESS 0x0 666 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1 667 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2 668 669 /* _OST OS Shutdown Processing (0x100) Status Code */ 670 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80 671 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81 672 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82 673 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83 674 675 /* _OST Ejection Request (0x3, 0x103) Status Code */ 676 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80 677 #define ACPI_OST_SC_DEVICE_IN_USE 0x81 678 #define ACPI_OST_SC_DEVICE_BUSY 0x82 679 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83 680 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84 681 682 /* _OST Insertion Request (0x200) Status Code */ 683 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80 684 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 685 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 686 687 enum acpi_predicate { 688 all_versions, 689 less_than_or_equal, 690 equal, 691 greater_than_or_equal, 692 }; 693 694 /* Table must be terminted by a NULL entry */ 695 struct acpi_platform_list { 696 char oem_id[ACPI_OEM_ID_SIZE+1]; 697 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1]; 698 u32 oem_revision; 699 char *table; 700 enum acpi_predicate pred; 701 char *reason; 702 u32 data; 703 }; 704 int acpi_match_platform_list(const struct acpi_platform_list *plat); 705 706 extern void acpi_early_init(void); 707 extern void acpi_subsystem_init(void); 708 709 extern int acpi_nvs_register(__u64 start, __u64 size); 710 711 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 712 void *data); 713 714 const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids, 715 const struct acpi_device *adev); 716 717 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, 718 const struct device *dev); 719 720 const void *acpi_device_get_match_data(const struct device *dev); 721 extern bool acpi_driver_match_device(struct device *dev, 722 const struct device_driver *drv); 723 int acpi_device_uevent_modalias(const struct device *, struct kobj_uevent_env *); 724 int acpi_device_modalias(struct device *, char *, int); 725 726 struct platform_device *acpi_create_platform_device(struct acpi_device *, 727 const struct property_entry *); 728 #define ACPI_PTR(_ptr) (_ptr) 729 730 static inline void acpi_device_set_enumerated(struct acpi_device *adev) 731 { 732 adev->flags.visited = true; 733 } 734 735 static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 736 { 737 adev->flags.visited = false; 738 } 739 740 enum acpi_reconfig_event { 741 ACPI_RECONFIG_DEVICE_ADD = 0, 742 ACPI_RECONFIG_DEVICE_REMOVE, 743 }; 744 745 int acpi_reconfig_notifier_register(struct notifier_block *nb); 746 int acpi_reconfig_notifier_unregister(struct notifier_block *nb); 747 748 #ifdef CONFIG_ACPI_GTDT 749 int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count); 750 int acpi_gtdt_map_ppi(int type); 751 bool acpi_gtdt_c3stop(int type); 752 int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count); 753 #endif 754 755 #ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER 756 static inline void acpi_arch_set_root_pointer(u64 addr) 757 { 758 } 759 #endif 760 761 #ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER 762 static inline u64 acpi_arch_get_root_pointer(void) 763 { 764 return 0; 765 } 766 #endif 767 768 int acpi_get_local_address(acpi_handle handle, u32 *addr); 769 const char *acpi_get_subsystem_id(acpi_handle handle); 770 771 #else /* !CONFIG_ACPI */ 772 773 #define acpi_disabled 1 774 775 #define ACPI_COMPANION(dev) (NULL) 776 #define ACPI_COMPANION_SET(dev, adev) do { } while (0) 777 #define ACPI_HANDLE(dev) (NULL) 778 #define ACPI_HANDLE_FWNODE(fwnode) (NULL) 779 780 /* Get rid of the -Wunused-variable for adev */ 781 #define acpi_dev_uid_match(adev, uid2) (adev && false) 782 #define acpi_dev_hid_uid_match(adev, hid2, uid2) (adev && false) 783 784 #include <acpi/acpi_numa.h> 785 786 struct fwnode_handle; 787 788 static inline bool acpi_dev_found(const char *hid) 789 { 790 return false; 791 } 792 793 static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv) 794 { 795 return false; 796 } 797 798 struct acpi_device; 799 800 static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer) 801 { 802 return -ENODEV; 803 } 804 805 static inline struct acpi_device * 806 acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv) 807 { 808 return NULL; 809 } 810 811 static inline bool acpi_reduced_hardware(void) 812 { 813 return false; 814 } 815 816 static inline void acpi_dev_put(struct acpi_device *adev) {} 817 818 static inline bool is_acpi_node(const struct fwnode_handle *fwnode) 819 { 820 return false; 821 } 822 823 static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode) 824 { 825 return false; 826 } 827 828 static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode) 829 { 830 return NULL; 831 } 832 833 static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode) 834 { 835 return false; 836 } 837 838 static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode) 839 { 840 return NULL; 841 } 842 843 static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode, 844 const char *name) 845 { 846 return false; 847 } 848 849 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) 850 { 851 return NULL; 852 } 853 854 static inline bool has_acpi_companion(struct device *dev) 855 { 856 return false; 857 } 858 859 static inline void acpi_preset_companion(struct device *dev, 860 struct acpi_device *parent, u64 addr) 861 { 862 } 863 864 static inline const char *acpi_dev_name(struct acpi_device *adev) 865 { 866 return NULL; 867 } 868 869 static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev) 870 { 871 return NULL; 872 } 873 874 static inline void acpi_early_init(void) { } 875 static inline void acpi_subsystem_init(void) { } 876 877 static inline int early_acpi_boot_init(void) 878 { 879 return 0; 880 } 881 static inline int acpi_boot_init(void) 882 { 883 return 0; 884 } 885 886 static inline void acpi_boot_table_prepare(void) 887 { 888 } 889 890 static inline void acpi_boot_table_init(void) 891 { 892 } 893 894 static inline int acpi_mps_check(void) 895 { 896 return 0; 897 } 898 899 static inline int acpi_check_resource_conflict(struct resource *res) 900 { 901 return 0; 902 } 903 904 static inline int acpi_check_region(resource_size_t start, resource_size_t n, 905 const char *name) 906 { 907 return 0; 908 } 909 910 struct acpi_table_header; 911 static inline int acpi_table_parse(char *id, 912 int (*handler)(struct acpi_table_header *)) 913 { 914 return -ENODEV; 915 } 916 917 static inline int acpi_nvs_register(__u64 start, __u64 size) 918 { 919 return 0; 920 } 921 922 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 923 void *data) 924 { 925 return 0; 926 } 927 928 struct acpi_device_id; 929 930 static inline const struct acpi_device_id *acpi_match_acpi_device( 931 const struct acpi_device_id *ids, const struct acpi_device *adev) 932 { 933 return NULL; 934 } 935 936 static inline const struct acpi_device_id *acpi_match_device( 937 const struct acpi_device_id *ids, const struct device *dev) 938 { 939 return NULL; 940 } 941 942 static inline const void *acpi_device_get_match_data(const struct device *dev) 943 { 944 return NULL; 945 } 946 947 static inline bool acpi_driver_match_device(struct device *dev, 948 const struct device_driver *drv) 949 { 950 return false; 951 } 952 953 static inline bool acpi_check_dsm(acpi_handle handle, const guid_t *guid, 954 u64 rev, u64 funcs) 955 { 956 return false; 957 } 958 959 static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle, 960 const guid_t *guid, 961 u64 rev, u64 func, 962 union acpi_object *argv4) 963 { 964 return NULL; 965 } 966 967 static inline union acpi_object *acpi_evaluate_dsm_typed(acpi_handle handle, 968 const guid_t *guid, 969 u64 rev, u64 func, 970 union acpi_object *argv4, 971 acpi_object_type type) 972 { 973 return NULL; 974 } 975 976 static inline int acpi_device_uevent_modalias(const struct device *dev, 977 struct kobj_uevent_env *env) 978 { 979 return -ENODEV; 980 } 981 982 static inline int acpi_device_modalias(struct device *dev, 983 char *buf, int size) 984 { 985 return -ENODEV; 986 } 987 988 static inline struct platform_device * 989 acpi_create_platform_device(struct acpi_device *adev, 990 const struct property_entry *properties) 991 { 992 return NULL; 993 } 994 995 static inline bool acpi_dma_supported(const struct acpi_device *adev) 996 { 997 return false; 998 } 999 1000 static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev) 1001 { 1002 return DEV_DMA_NOT_SUPPORTED; 1003 } 1004 1005 static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map) 1006 { 1007 return -ENODEV; 1008 } 1009 1010 static inline int acpi_dma_configure(struct device *dev, 1011 enum dev_dma_attr attr) 1012 { 1013 return 0; 1014 } 1015 1016 static inline int acpi_dma_configure_id(struct device *dev, 1017 enum dev_dma_attr attr, 1018 const u32 *input_id) 1019 { 1020 return 0; 1021 } 1022 1023 #define ACPI_PTR(_ptr) (NULL) 1024 1025 static inline void acpi_device_set_enumerated(struct acpi_device *adev) 1026 { 1027 } 1028 1029 static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 1030 { 1031 } 1032 1033 static inline int acpi_reconfig_notifier_register(struct notifier_block *nb) 1034 { 1035 return -EINVAL; 1036 } 1037 1038 static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb) 1039 { 1040 return -EINVAL; 1041 } 1042 1043 static inline struct acpi_device *acpi_resource_consumer(struct resource *res) 1044 { 1045 return NULL; 1046 } 1047 1048 static inline int acpi_get_local_address(acpi_handle handle, u32 *addr) 1049 { 1050 return -ENODEV; 1051 } 1052 1053 static inline const char *acpi_get_subsystem_id(acpi_handle handle) 1054 { 1055 return ERR_PTR(-ENODEV); 1056 } 1057 1058 static inline int acpi_register_wakeup_handler(int wake_irq, 1059 bool (*wakeup)(void *context), void *context) 1060 { 1061 return -ENXIO; 1062 } 1063 1064 static inline void acpi_unregister_wakeup_handler( 1065 bool (*wakeup)(void *context), void *context) { } 1066 1067 struct acpi_osc_context; 1068 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context) 1069 { 1070 return 0; 1071 } 1072 1073 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context) 1074 { 1075 return 0; 1076 } 1077 1078 static inline bool acpi_sleep_state_supported(u8 sleep_state) 1079 { 1080 return false; 1081 } 1082 1083 #endif /* !CONFIG_ACPI */ 1084 1085 extern void arch_post_acpi_subsys_init(void); 1086 1087 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 1088 int acpi_ioapic_add(acpi_handle root); 1089 #else 1090 static inline int acpi_ioapic_add(acpi_handle root) { return 0; } 1091 #endif 1092 1093 #ifdef CONFIG_ACPI 1094 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, 1095 u32 pm1a_ctrl, u32 pm1b_ctrl)); 1096 1097 acpi_status acpi_os_prepare_sleep(u8 sleep_state, 1098 u32 pm1a_control, u32 pm1b_control); 1099 1100 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, 1101 u32 val_a, u32 val_b)); 1102 1103 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, 1104 u32 val_a, u32 val_b); 1105 #if defined(CONFIG_SUSPEND) && defined(CONFIG_X86) 1106 struct acpi_s2idle_dev_ops { 1107 struct list_head list_node; 1108 void (*prepare)(void); 1109 void (*check)(void); 1110 void (*restore)(void); 1111 }; 1112 int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg); 1113 void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg); 1114 int acpi_get_lps0_constraint(struct acpi_device *adev); 1115 #else /* CONFIG_SUSPEND && CONFIG_X86 */ 1116 static inline int acpi_get_lps0_constraint(struct device *dev) 1117 { 1118 return ACPI_STATE_UNKNOWN; 1119 } 1120 #endif /* CONFIG_SUSPEND && CONFIG_X86 */ 1121 void arch_reserve_mem_area(acpi_physical_address addr, size_t size); 1122 #else 1123 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) 1124 #endif 1125 1126 #if defined(CONFIG_ACPI) && defined(CONFIG_PM) 1127 int acpi_dev_suspend(struct device *dev, bool wakeup); 1128 int acpi_dev_resume(struct device *dev); 1129 int acpi_subsys_runtime_suspend(struct device *dev); 1130 int acpi_subsys_runtime_resume(struct device *dev); 1131 int acpi_dev_pm_attach(struct device *dev, bool power_on); 1132 bool acpi_storage_d3(struct device *dev); 1133 bool acpi_dev_state_d0(struct device *dev); 1134 #else 1135 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } 1136 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } 1137 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) 1138 { 1139 return 0; 1140 } 1141 static inline bool acpi_storage_d3(struct device *dev) 1142 { 1143 return false; 1144 } 1145 static inline bool acpi_dev_state_d0(struct device *dev) 1146 { 1147 return true; 1148 } 1149 #endif 1150 1151 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) 1152 int acpi_subsys_prepare(struct device *dev); 1153 void acpi_subsys_complete(struct device *dev); 1154 int acpi_subsys_suspend_late(struct device *dev); 1155 int acpi_subsys_suspend_noirq(struct device *dev); 1156 int acpi_subsys_suspend(struct device *dev); 1157 int acpi_subsys_freeze(struct device *dev); 1158 int acpi_subsys_poweroff(struct device *dev); 1159 void acpi_ec_mark_gpe_for_wake(void); 1160 void acpi_ec_set_gpe_wake_mask(u8 action); 1161 int acpi_subsys_restore_early(struct device *dev); 1162 #else 1163 static inline int acpi_subsys_prepare(struct device *dev) { return 0; } 1164 static inline void acpi_subsys_complete(struct device *dev) {} 1165 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } 1166 static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; } 1167 static inline int acpi_subsys_suspend(struct device *dev) { return 0; } 1168 static inline int acpi_subsys_freeze(struct device *dev) { return 0; } 1169 static inline int acpi_subsys_poweroff(struct device *dev) { return 0; } 1170 static inline int acpi_subsys_restore_early(struct device *dev) { return 0; } 1171 static inline void acpi_ec_mark_gpe_for_wake(void) {} 1172 static inline void acpi_ec_set_gpe_wake_mask(u8 action) {} 1173 #endif 1174 1175 #ifdef CONFIG_ACPI 1176 char *acpi_handle_path(acpi_handle handle); 1177 __printf(3, 4) 1178 void acpi_handle_printk(const char *level, acpi_handle handle, 1179 const char *fmt, ...); 1180 void acpi_evaluation_failure_warn(acpi_handle handle, const char *name, 1181 acpi_status status); 1182 #else /* !CONFIG_ACPI */ 1183 static inline __printf(3, 4) void 1184 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} 1185 static inline void acpi_evaluation_failure_warn(acpi_handle handle, 1186 const char *name, 1187 acpi_status status) {} 1188 #endif /* !CONFIG_ACPI */ 1189 1190 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) 1191 __printf(3, 4) 1192 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); 1193 #endif 1194 1195 /* 1196 * acpi_handle_<level>: Print message with ACPI prefix and object path 1197 * 1198 * These interfaces acquire the global namespace mutex to obtain an object 1199 * path. In interrupt context, it shows the object path as <n/a>. 1200 */ 1201 #define acpi_handle_emerg(handle, fmt, ...) \ 1202 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) 1203 #define acpi_handle_alert(handle, fmt, ...) \ 1204 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) 1205 #define acpi_handle_crit(handle, fmt, ...) \ 1206 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) 1207 #define acpi_handle_err(handle, fmt, ...) \ 1208 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) 1209 #define acpi_handle_warn(handle, fmt, ...) \ 1210 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) 1211 #define acpi_handle_notice(handle, fmt, ...) \ 1212 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) 1213 #define acpi_handle_info(handle, fmt, ...) \ 1214 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) 1215 1216 #if defined(DEBUG) 1217 #define acpi_handle_debug(handle, fmt, ...) \ 1218 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) 1219 #else 1220 #if defined(CONFIG_DYNAMIC_DEBUG) 1221 #define acpi_handle_debug(handle, fmt, ...) \ 1222 _dynamic_func_call(fmt, __acpi_handle_debug, \ 1223 handle, pr_fmt(fmt), ##__VA_ARGS__) 1224 #else 1225 #define acpi_handle_debug(handle, fmt, ...) \ 1226 ({ \ 1227 if (0) \ 1228 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ 1229 0; \ 1230 }) 1231 #endif 1232 #endif 1233 1234 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) 1235 bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1236 struct acpi_resource_gpio **agpio); 1237 bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1238 struct acpi_resource_gpio **agpio); 1239 int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name, int index, 1240 bool *wake_capable); 1241 #else 1242 static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1243 struct acpi_resource_gpio **agpio) 1244 { 1245 return false; 1246 } 1247 static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1248 struct acpi_resource_gpio **agpio) 1249 { 1250 return false; 1251 } 1252 static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name, 1253 int index, bool *wake_capable) 1254 { 1255 return -ENXIO; 1256 } 1257 #endif 1258 1259 static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index, 1260 bool *wake_capable) 1261 { 1262 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable); 1263 } 1264 1265 static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *name, 1266 int index) 1267 { 1268 return acpi_dev_gpio_irq_wake_get_by(adev, name, index, NULL); 1269 } 1270 1271 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) 1272 { 1273 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL); 1274 } 1275 1276 /* Device properties */ 1277 1278 #ifdef CONFIG_ACPI 1279 int acpi_dev_get_property(const struct acpi_device *adev, const char *name, 1280 acpi_object_type type, const union acpi_object **obj); 1281 int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1282 const char *name, size_t index, size_t num_args, 1283 struct fwnode_reference_args *args); 1284 1285 static inline int acpi_node_get_property_reference( 1286 const struct fwnode_handle *fwnode, 1287 const char *name, size_t index, 1288 struct fwnode_reference_args *args) 1289 { 1290 return __acpi_node_get_property_reference(fwnode, name, index, 1291 NR_FWNODE_REFERENCE_ARGS, args); 1292 } 1293 1294 static inline bool acpi_dev_has_props(const struct acpi_device *adev) 1295 { 1296 return !list_empty(&adev->data.properties); 1297 } 1298 1299 struct acpi_device_properties * 1300 acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid, 1301 union acpi_object *properties); 1302 1303 int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname, 1304 void **valptr); 1305 1306 struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1307 struct fwnode_handle *child); 1308 1309 struct acpi_probe_entry; 1310 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *, 1311 struct acpi_probe_entry *); 1312 1313 #define ACPI_TABLE_ID_LEN 5 1314 1315 /** 1316 * struct acpi_probe_entry - boot-time probing entry 1317 * @id: ACPI table name 1318 * @type: Optional subtable type to match 1319 * (if @id contains subtables) 1320 * @subtable_valid: Optional callback to check the validity of 1321 * the subtable 1322 * @probe_table: Callback to the driver being probed when table 1323 * match is successful 1324 * @probe_subtbl: Callback to the driver being probed when table and 1325 * subtable match (and optional callback is successful) 1326 * @driver_data: Sideband data provided back to the driver 1327 */ 1328 struct acpi_probe_entry { 1329 __u8 id[ACPI_TABLE_ID_LEN]; 1330 __u8 type; 1331 acpi_probe_entry_validate_subtbl subtable_valid; 1332 union { 1333 acpi_tbl_table_handler probe_table; 1334 acpi_tbl_entry_handler probe_subtbl; 1335 }; 1336 kernel_ulong_t driver_data; 1337 }; 1338 1339 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \ 1340 valid, data, fn) \ 1341 static const struct acpi_probe_entry __acpi_probe_##name \ 1342 __used __section("__" #table "_acpi_probe_table") = { \ 1343 .id = table_id, \ 1344 .type = subtable, \ 1345 .subtable_valid = valid, \ 1346 .probe_table = fn, \ 1347 .driver_data = data, \ 1348 } 1349 1350 #define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \ 1351 subtable, valid, data, fn) \ 1352 static const struct acpi_probe_entry __acpi_probe_##name \ 1353 __used __section("__" #table "_acpi_probe_table") = { \ 1354 .id = table_id, \ 1355 .type = subtable, \ 1356 .subtable_valid = valid, \ 1357 .probe_subtbl = fn, \ 1358 .driver_data = data, \ 1359 } 1360 1361 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table 1362 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end 1363 1364 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr); 1365 1366 #define acpi_probe_device_table(t) \ 1367 ({ \ 1368 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \ 1369 ACPI_PROBE_TABLE_END(t); \ 1370 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \ 1371 (&ACPI_PROBE_TABLE_END(t) - \ 1372 &ACPI_PROBE_TABLE(t))); \ 1373 }) 1374 #else 1375 static inline int acpi_dev_get_property(struct acpi_device *adev, 1376 const char *name, acpi_object_type type, 1377 const union acpi_object **obj) 1378 { 1379 return -ENXIO; 1380 } 1381 1382 static inline int 1383 __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1384 const char *name, size_t index, size_t num_args, 1385 struct fwnode_reference_args *args) 1386 { 1387 return -ENXIO; 1388 } 1389 1390 static inline int 1391 acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1392 const char *name, size_t index, 1393 struct fwnode_reference_args *args) 1394 { 1395 return -ENXIO; 1396 } 1397 1398 static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode, 1399 const char *propname, 1400 void **valptr) 1401 { 1402 return -ENXIO; 1403 } 1404 1405 static inline struct fwnode_handle * 1406 acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1407 struct fwnode_handle *child) 1408 { 1409 return NULL; 1410 } 1411 1412 static inline struct fwnode_handle * 1413 acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode, 1414 struct fwnode_handle *prev) 1415 { 1416 return ERR_PTR(-ENXIO); 1417 } 1418 1419 static inline int 1420 acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode, 1421 struct fwnode_handle **remote, 1422 struct fwnode_handle **port, 1423 struct fwnode_handle **endpoint) 1424 { 1425 return -ENXIO; 1426 } 1427 1428 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ 1429 static const void * __acpi_table_##name[] \ 1430 __attribute__((unused)) \ 1431 = { (void *) table_id, \ 1432 (void *) subtable, \ 1433 (void *) valid, \ 1434 (void *) fn, \ 1435 (void *) data } 1436 1437 #define acpi_probe_device_table(t) ({ int __r = 0; __r;}) 1438 #endif 1439 1440 #ifdef CONFIG_ACPI_TABLE_UPGRADE 1441 void acpi_table_upgrade(void); 1442 #else 1443 static inline void acpi_table_upgrade(void) { } 1444 #endif 1445 1446 #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG) 1447 extern bool acpi_has_watchdog(void); 1448 #else 1449 static inline bool acpi_has_watchdog(void) { return false; } 1450 #endif 1451 1452 #ifdef CONFIG_ACPI_SPCR_TABLE 1453 extern bool qdf2400_e44_present; 1454 int acpi_parse_spcr(bool enable_earlycon, bool enable_console); 1455 #else 1456 static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console) 1457 { 1458 return 0; 1459 } 1460 #endif 1461 1462 #if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI) 1463 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res); 1464 #else 1465 static inline 1466 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res) 1467 { 1468 return -EINVAL; 1469 } 1470 #endif 1471 1472 #ifdef CONFIG_ACPI_LPIT 1473 int lpit_read_residency_count_address(u64 *address); 1474 #else 1475 static inline int lpit_read_residency_count_address(u64 *address) 1476 { 1477 return -EINVAL; 1478 } 1479 #endif 1480 1481 #ifdef CONFIG_ACPI_PROCESSOR_IDLE 1482 #ifndef arch_get_idle_state_flags 1483 static inline unsigned int arch_get_idle_state_flags(u32 arch_flags) 1484 { 1485 return 0; 1486 } 1487 #endif 1488 #endif /* CONFIG_ACPI_PROCESSOR_IDLE */ 1489 1490 #ifdef CONFIG_ACPI_PPTT 1491 int acpi_pptt_cpu_is_thread(unsigned int cpu); 1492 int find_acpi_cpu_topology(unsigned int cpu, int level); 1493 int find_acpi_cpu_topology_cluster(unsigned int cpu); 1494 int find_acpi_cpu_topology_package(unsigned int cpu); 1495 int find_acpi_cpu_topology_hetero_id(unsigned int cpu); 1496 #else 1497 static inline int acpi_pptt_cpu_is_thread(unsigned int cpu) 1498 { 1499 return -EINVAL; 1500 } 1501 static inline int find_acpi_cpu_topology(unsigned int cpu, int level) 1502 { 1503 return -EINVAL; 1504 } 1505 static inline int find_acpi_cpu_topology_cluster(unsigned int cpu) 1506 { 1507 return -EINVAL; 1508 } 1509 static inline int find_acpi_cpu_topology_package(unsigned int cpu) 1510 { 1511 return -EINVAL; 1512 } 1513 static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu) 1514 { 1515 return -EINVAL; 1516 } 1517 #endif 1518 1519 #ifdef CONFIG_ARM64 1520 void acpi_arm_init(void); 1521 #else 1522 static inline void acpi_arm_init(void) { } 1523 #endif 1524 1525 #ifdef CONFIG_ACPI_PCC 1526 void acpi_init_pcc(void); 1527 #else 1528 static inline void acpi_init_pcc(void) { } 1529 #endif 1530 1531 #ifdef CONFIG_ACPI_FFH 1532 void acpi_init_ffh(void); 1533 extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt, 1534 void **region_ctxt); 1535 extern int acpi_ffh_address_space_arch_handler(acpi_integer *value, 1536 void *region_context); 1537 #else 1538 static inline void acpi_init_ffh(void) { } 1539 #endif 1540 1541 #ifdef CONFIG_ACPI 1542 extern void acpi_device_notify(struct device *dev); 1543 extern void acpi_device_notify_remove(struct device *dev); 1544 #else 1545 static inline void acpi_device_notify(struct device *dev) { } 1546 static inline void acpi_device_notify_remove(struct device *dev) { } 1547 #endif 1548 1549 static inline void acpi_use_parent_companion(struct device *dev) 1550 { 1551 ACPI_COMPANION_SET(dev, ACPI_COMPANION(dev->parent)); 1552 } 1553 1554 #ifdef CONFIG_ACPI_HMAT 1555 int hmat_update_target_coordinates(int nid, struct access_coordinate *coord, 1556 enum access_coordinate_class access); 1557 #else 1558 static inline int hmat_update_target_coordinates(int nid, 1559 struct access_coordinate *coord, 1560 enum access_coordinate_class access) 1561 { 1562 return -EOPNOTSUPP; 1563 } 1564 #endif 1565 1566 #ifdef CONFIG_ACPI_NUMA 1567 bool acpi_node_backed_by_real_pxm(int nid); 1568 #else 1569 static inline bool acpi_node_backed_by_real_pxm(int nid) 1570 { 1571 return false; 1572 } 1573 #endif 1574 1575 #endif /*_LINUX_ACPI_H*/ 1576