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 #include <acpi/acpi_numa.h> 28 29 #ifdef CONFIG_ACPI 30 31 #include <linux/list.h> 32 #include <linux/dynamic_debug.h> 33 #include <linux/module.h> 34 #include <linux/mutex.h> 35 #include <linux/fw_table.h> 36 37 #include <acpi/acpi_bus.h> 38 #include <acpi/acpi_drivers.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 #if defined(CONFIG_X86) || defined(CONFIG_LOONGARCH) 241 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); 242 #else 243 static inline void 244 acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { } 245 #endif 246 247 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); 248 249 #if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH) 250 void acpi_arch_dma_setup(struct device *dev); 251 #else 252 static inline void acpi_arch_dma_setup(struct device *dev) { } 253 #endif 254 255 #ifdef CONFIG_ARM64 256 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa); 257 #else 258 static inline void 259 acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { } 260 #endif 261 262 #ifndef PHYS_CPUID_INVALID 263 typedef u32 phys_cpuid_t; 264 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1) 265 #endif 266 267 static inline bool invalid_logical_cpuid(u32 cpuid) 268 { 269 return (int)cpuid < 0; 270 } 271 272 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id) 273 { 274 return phys_id == PHYS_CPUID_INVALID; 275 } 276 277 /* Validate the processor object's proc_id */ 278 bool acpi_duplicate_processor_id(int proc_id); 279 /* Processor _CTS control */ 280 struct acpi_processor_power; 281 282 #ifdef CONFIG_ACPI_PROCESSOR_CSTATE 283 bool acpi_processor_claim_cst_control(void); 284 int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, 285 struct acpi_processor_power *info); 286 #else 287 static inline bool acpi_processor_claim_cst_control(void) { return false; } 288 static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, 289 struct acpi_processor_power *info) 290 { 291 return -ENODEV; 292 } 293 #endif 294 295 #ifdef CONFIG_ACPI_HOTPLUG_CPU 296 /* Arch dependent functions for cpu hotplug support */ 297 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id, 298 int *pcpu); 299 int acpi_unmap_cpu(int cpu); 300 #endif /* CONFIG_ACPI_HOTPLUG_CPU */ 301 302 acpi_handle acpi_get_processor_handle(int cpu); 303 304 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 305 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr); 306 #endif 307 308 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); 309 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); 310 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base); 311 void acpi_irq_stats_init(void); 312 extern u32 acpi_irq_handled; 313 extern u32 acpi_irq_not_handled; 314 extern unsigned int acpi_sci_irq; 315 extern bool acpi_no_s5; 316 #define INVALID_ACPI_IRQ ((unsigned)-1) 317 static inline bool acpi_sci_irq_valid(void) 318 { 319 return acpi_sci_irq != INVALID_ACPI_IRQ; 320 } 321 322 extern int sbf_port; 323 extern unsigned long acpi_realmode_flags; 324 325 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); 326 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 327 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); 328 329 void acpi_set_irq_model(enum acpi_irq_model_id model, 330 struct fwnode_handle *(*)(u32)); 331 void acpi_set_gsi_to_irq_fallback(u32 (*)(u32)); 332 333 struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags, 334 unsigned int size, 335 struct fwnode_handle *fwnode, 336 const struct irq_domain_ops *ops, 337 void *host_data); 338 339 #ifdef CONFIG_X86_IO_APIC 340 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); 341 #else 342 static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity) 343 { 344 return -1; 345 } 346 #endif 347 /* 348 * This function undoes the effect of one call to acpi_register_gsi(). 349 * If this matches the last registration, any IRQ resources for gsi 350 * are freed. 351 */ 352 void acpi_unregister_gsi (u32 gsi); 353 354 struct pci_dev; 355 356 int acpi_pci_irq_enable (struct pci_dev *dev); 357 void acpi_penalize_isa_irq(int irq, int active); 358 bool acpi_isa_irq_available(int irq); 359 #ifdef CONFIG_PCI 360 void acpi_penalize_sci_irq(int irq, int trigger, int polarity); 361 #else 362 static inline void acpi_penalize_sci_irq(int irq, int trigger, 363 int polarity) 364 { 365 } 366 #endif 367 void acpi_pci_irq_disable (struct pci_dev *dev); 368 369 extern int ec_read(u8 addr, u8 *val); 370 extern int ec_write(u8 addr, u8 val); 371 extern int ec_transaction(u8 command, 372 const u8 *wdata, unsigned wdata_len, 373 u8 *rdata, unsigned rdata_len); 374 extern acpi_handle ec_get_handle(void); 375 376 extern bool acpi_is_pnp_device(struct acpi_device *); 377 378 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 379 380 typedef void (*wmi_notify_handler) (u32 value, void *context); 381 382 int wmi_instance_count(const char *guid); 383 384 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 385 u32 method_id, 386 const struct acpi_buffer *in, 387 struct acpi_buffer *out); 388 extern acpi_status wmi_query_block(const char *guid, u8 instance, 389 struct acpi_buffer *out); 390 extern acpi_status wmi_set_block(const char *guid, u8 instance, 391 const struct acpi_buffer *in); 392 extern acpi_status wmi_install_notify_handler(const char *guid, 393 wmi_notify_handler handler, void *data); 394 extern acpi_status wmi_remove_notify_handler(const char *guid); 395 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); 396 extern bool wmi_has_guid(const char *guid); 397 extern char *wmi_get_acpi_device_uid(const char *guid); 398 399 #endif /* CONFIG_ACPI_WMI */ 400 401 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 402 #define ACPI_VIDEO_DEVICE_POSTING 0x0002 403 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004 404 #define ACPI_VIDEO_BACKLIGHT 0x0008 405 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 406 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 407 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 408 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 409 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 410 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 411 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 412 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 413 414 extern char acpi_video_backlight_string[]; 415 extern long acpi_is_video_device(acpi_handle handle); 416 417 extern void acpi_osi_setup(char *str); 418 extern bool acpi_osi_is_win8(void); 419 420 #ifdef CONFIG_ACPI_THERMAL_LIB 421 int thermal_acpi_active_trip_temp(struct acpi_device *adev, int id, int *ret_temp); 422 int thermal_acpi_passive_trip_temp(struct acpi_device *adev, int *ret_temp); 423 int thermal_acpi_hot_trip_temp(struct acpi_device *adev, int *ret_temp); 424 int thermal_acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp); 425 #endif 426 427 #ifdef CONFIG_ACPI_HMAT 428 int acpi_get_genport_coordinates(u32 uid, struct access_coordinate *coord); 429 #else 430 static inline int acpi_get_genport_coordinates(u32 uid, 431 struct access_coordinate *coord) 432 { 433 return -EOPNOTSUPP; 434 } 435 #endif 436 437 #ifdef CONFIG_ACPI_NUMA 438 int acpi_map_pxm_to_node(int pxm); 439 int acpi_get_node(acpi_handle handle); 440 441 /** 442 * pxm_to_online_node - Map proximity ID to online node 443 * @pxm: ACPI proximity ID 444 * 445 * This is similar to pxm_to_node(), but always returns an online 446 * node. When the mapped node from a given proximity ID is offline, it 447 * looks up the node distance table and returns the nearest online node. 448 * 449 * ACPI device drivers, which are called after the NUMA initialization has 450 * completed in the kernel, can call this interface to obtain their device 451 * NUMA topology from ACPI tables. Such drivers do not have to deal with 452 * offline nodes. A node may be offline when SRAT memory entry does not exist, 453 * or NUMA is disabled, ex. "numa=off" on x86. 454 */ 455 static inline int pxm_to_online_node(int pxm) 456 { 457 int node = pxm_to_node(pxm); 458 459 return numa_map_to_online_node(node); 460 } 461 #else 462 static inline int pxm_to_online_node(int pxm) 463 { 464 return 0; 465 } 466 static inline int acpi_map_pxm_to_node(int pxm) 467 { 468 return 0; 469 } 470 static inline int acpi_get_node(acpi_handle handle) 471 { 472 return 0; 473 } 474 #endif 475 extern int pnpacpi_disabled; 476 477 #define PXM_INVAL (-1) 478 479 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res); 480 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res); 481 bool acpi_dev_resource_address_space(struct acpi_resource *ares, 482 struct resource_win *win); 483 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, 484 struct resource_win *win); 485 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, u8 wake_capable); 486 unsigned int acpi_dev_get_irq_type(int triggering, int polarity); 487 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, 488 struct resource *res); 489 490 void acpi_dev_free_resource_list(struct list_head *list); 491 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, 492 int (*preproc)(struct acpi_resource *, void *), 493 void *preproc_data); 494 int acpi_dev_get_dma_resources(struct acpi_device *adev, 495 struct list_head *list); 496 int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list); 497 int acpi_dev_filter_resource_type(struct acpi_resource *ares, 498 unsigned long types); 499 500 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares, 501 void *arg) 502 { 503 return acpi_dev_filter_resource_type(ares, (unsigned long)arg); 504 } 505 506 struct acpi_device *acpi_resource_consumer(struct resource *res); 507 508 int acpi_check_resource_conflict(const struct resource *res); 509 510 int acpi_check_region(resource_size_t start, resource_size_t n, 511 const char *name); 512 513 int acpi_resources_are_enforced(void); 514 515 #ifdef CONFIG_HIBERNATION 516 extern int acpi_check_s4_hw_signature; 517 #endif 518 519 #ifdef CONFIG_PM_SLEEP 520 void __init acpi_old_suspend_ordering(void); 521 void __init acpi_nvs_nosave(void); 522 void __init acpi_nvs_nosave_s3(void); 523 void __init acpi_sleep_no_blacklist(void); 524 #endif /* CONFIG_PM_SLEEP */ 525 526 int acpi_register_wakeup_handler( 527 int wake_irq, bool (*wakeup)(void *context), void *context); 528 void acpi_unregister_wakeup_handler( 529 bool (*wakeup)(void *context), void *context); 530 531 struct acpi_osc_context { 532 char *uuid_str; /* UUID string */ 533 int rev; 534 struct acpi_buffer cap; /* list of DWORD capabilities */ 535 struct acpi_buffer ret; /* free by caller if success */ 536 }; 537 538 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); 539 540 /* Number of _OSC capability DWORDS depends on bridge type */ 541 #define OSC_PCI_CAPABILITY_DWORDS 3 542 #define OSC_CXL_CAPABILITY_DWORDS 5 543 544 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */ 545 #define OSC_QUERY_DWORD 0 /* DWORD 1 */ 546 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */ 547 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */ 548 #define OSC_EXT_SUPPORT_DWORD 3 /* DWORD 4 */ 549 #define OSC_EXT_CONTROL_DWORD 4 /* DWORD 5 */ 550 551 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */ 552 #define OSC_QUERY_ENABLE 0x00000001 /* input */ 553 #define OSC_REQUEST_ERROR 0x00000002 /* return */ 554 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */ 555 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */ 556 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */ 557 558 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */ 559 #define OSC_SB_PAD_SUPPORT 0x00000001 560 #define OSC_SB_PPC_OST_SUPPORT 0x00000002 561 #define OSC_SB_PR3_SUPPORT 0x00000004 562 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008 563 #define OSC_SB_APEI_SUPPORT 0x00000010 564 #define OSC_SB_CPC_SUPPORT 0x00000020 565 #define OSC_SB_CPCV2_SUPPORT 0x00000040 566 #define OSC_SB_PCLPI_SUPPORT 0x00000080 567 #define OSC_SB_OSLPI_SUPPORT 0x00000100 568 #define OSC_SB_FAST_THERMAL_SAMPLING_SUPPORT 0x00000200 569 #define OSC_SB_OVER_16_PSTATES_SUPPORT 0x00000400 570 #define OSC_SB_GED_SUPPORT 0x00000800 571 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 572 #define OSC_SB_IRQ_RESOURCE_SOURCE_SUPPORT 0x00002000 573 #define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000 574 #define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00020000 575 #define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000 576 #define OSC_SB_BATTERY_CHARGE_LIMITING_SUPPORT 0x00080000 577 #define OSC_SB_PRM_SUPPORT 0x00200000 578 #define OSC_SB_FFH_OPR_SUPPORT 0x00400000 579 580 extern bool osc_sb_apei_support_acked; 581 extern bool osc_pc_lpi_support_confirmed; 582 extern bool osc_sb_native_usb4_support_confirmed; 583 extern bool osc_sb_cppc2_support_acked; 584 extern bool osc_cpc_flexible_adr_space_confirmed; 585 586 /* USB4 Capabilities */ 587 #define OSC_USB_USB3_TUNNELING 0x00000001 588 #define OSC_USB_DP_TUNNELING 0x00000002 589 #define OSC_USB_PCIE_TUNNELING 0x00000004 590 #define OSC_USB_XDOMAIN 0x00000008 591 592 extern u32 osc_sb_native_usb4_control; 593 594 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */ 595 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001 596 #define OSC_PCI_ASPM_SUPPORT 0x00000002 597 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004 598 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008 599 #define OSC_PCI_MSI_SUPPORT 0x00000010 600 #define OSC_PCI_EDR_SUPPORT 0x00000080 601 #define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100 602 603 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */ 604 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001 605 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002 606 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004 607 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008 608 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010 609 #define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020 610 #define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080 611 612 /* CXL _OSC: Capabilities DWORD 4: Support Field */ 613 #define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT 0x00000001 614 #define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT 0x00000002 615 #define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT 0x00000004 616 #define OSC_CXL_NATIVE_HP_SUPPORT 0x00000008 617 618 /* CXL _OSC: Capabilities DWORD 5: Control Field */ 619 #define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001 620 621 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context) 622 { 623 u32 *ret = context->ret.pointer; 624 625 return ret[OSC_CONTROL_DWORD]; 626 } 627 628 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context) 629 { 630 u32 *ret = context->ret.pointer; 631 632 return ret[OSC_EXT_CONTROL_DWORD]; 633 } 634 635 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002 636 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004 637 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006 638 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008 639 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A 640 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B 641 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C 642 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D 643 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E 644 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F 645 646 /* Enable _OST when all relevant hotplug operations are enabled */ 647 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ 648 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \ 649 defined(CONFIG_ACPI_CONTAINER) 650 #define ACPI_HOTPLUG_OST 651 #endif 652 653 /* _OST Source Event Code (OSPM Action) */ 654 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100 655 #define ACPI_OST_EC_OSPM_EJECT 0x103 656 #define ACPI_OST_EC_OSPM_INSERTION 0x200 657 658 /* _OST General Processing Status Code */ 659 #define ACPI_OST_SC_SUCCESS 0x0 660 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1 661 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2 662 663 /* _OST OS Shutdown Processing (0x100) Status Code */ 664 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80 665 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81 666 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82 667 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83 668 669 /* _OST Ejection Request (0x3, 0x103) Status Code */ 670 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80 671 #define ACPI_OST_SC_DEVICE_IN_USE 0x81 672 #define ACPI_OST_SC_DEVICE_BUSY 0x82 673 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83 674 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84 675 676 /* _OST Insertion Request (0x200) Status Code */ 677 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80 678 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 679 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 680 681 enum acpi_predicate { 682 all_versions, 683 less_than_or_equal, 684 equal, 685 greater_than_or_equal, 686 }; 687 688 /* Table must be terminted by a NULL entry */ 689 struct acpi_platform_list { 690 char oem_id[ACPI_OEM_ID_SIZE+1]; 691 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1]; 692 u32 oem_revision; 693 char *table; 694 enum acpi_predicate pred; 695 char *reason; 696 u32 data; 697 }; 698 int acpi_match_platform_list(const struct acpi_platform_list *plat); 699 700 extern void acpi_early_init(void); 701 extern void acpi_subsystem_init(void); 702 703 extern int acpi_nvs_register(__u64 start, __u64 size); 704 705 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 706 void *data); 707 708 const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids, 709 const struct acpi_device *adev); 710 711 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, 712 const struct device *dev); 713 714 const void *acpi_device_get_match_data(const struct device *dev); 715 extern bool acpi_driver_match_device(struct device *dev, 716 const struct device_driver *drv); 717 int acpi_device_uevent_modalias(const struct device *, struct kobj_uevent_env *); 718 int acpi_device_modalias(struct device *, char *, int); 719 720 struct platform_device *acpi_create_platform_device(struct acpi_device *, 721 const struct property_entry *); 722 #define ACPI_PTR(_ptr) (_ptr) 723 724 static inline void acpi_device_set_enumerated(struct acpi_device *adev) 725 { 726 adev->flags.visited = true; 727 } 728 729 static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 730 { 731 adev->flags.visited = false; 732 } 733 734 enum acpi_reconfig_event { 735 ACPI_RECONFIG_DEVICE_ADD = 0, 736 ACPI_RECONFIG_DEVICE_REMOVE, 737 }; 738 739 int acpi_reconfig_notifier_register(struct notifier_block *nb); 740 int acpi_reconfig_notifier_unregister(struct notifier_block *nb); 741 742 #ifdef CONFIG_ACPI_GTDT 743 int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count); 744 int acpi_gtdt_map_ppi(int type); 745 bool acpi_gtdt_c3stop(int type); 746 int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count); 747 #endif 748 749 #ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER 750 static inline void acpi_arch_set_root_pointer(u64 addr) 751 { 752 } 753 #endif 754 755 #ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER 756 static inline u64 acpi_arch_get_root_pointer(void) 757 { 758 return 0; 759 } 760 #endif 761 762 int acpi_get_local_u64_address(acpi_handle handle, u64 *addr); 763 int acpi_get_local_address(acpi_handle handle, u32 *addr); 764 const char *acpi_get_subsystem_id(acpi_handle handle); 765 766 #else /* !CONFIG_ACPI */ 767 768 #define acpi_disabled 1 769 770 #define ACPI_COMPANION(dev) (NULL) 771 #define ACPI_COMPANION_SET(dev, adev) do { } while (0) 772 #define ACPI_HANDLE(dev) (NULL) 773 #define ACPI_HANDLE_FWNODE(fwnode) (NULL) 774 775 /* Get rid of the -Wunused-variable for adev */ 776 #define acpi_dev_uid_match(adev, uid2) (adev && false) 777 #define acpi_dev_hid_uid_match(adev, hid2, uid2) (adev && false) 778 779 struct fwnode_handle; 780 781 static inline bool acpi_dev_found(const char *hid) 782 { 783 return false; 784 } 785 786 static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv) 787 { 788 return false; 789 } 790 791 struct acpi_device; 792 793 static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer) 794 { 795 return -ENODEV; 796 } 797 798 static inline struct acpi_device * 799 acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv) 800 { 801 return NULL; 802 } 803 804 static inline bool acpi_reduced_hardware(void) 805 { 806 return false; 807 } 808 809 static inline void acpi_dev_put(struct acpi_device *adev) {} 810 811 static inline bool is_acpi_node(const struct fwnode_handle *fwnode) 812 { 813 return false; 814 } 815 816 static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode) 817 { 818 return false; 819 } 820 821 static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode) 822 { 823 return NULL; 824 } 825 826 static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode) 827 { 828 return false; 829 } 830 831 static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode) 832 { 833 return NULL; 834 } 835 836 static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode, 837 const char *name) 838 { 839 return false; 840 } 841 842 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) 843 { 844 return NULL; 845 } 846 847 static inline bool has_acpi_companion(struct device *dev) 848 { 849 return false; 850 } 851 852 static inline void acpi_preset_companion(struct device *dev, 853 struct acpi_device *parent, u64 addr) 854 { 855 } 856 857 static inline const char *acpi_dev_name(struct acpi_device *adev) 858 { 859 return NULL; 860 } 861 862 static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev) 863 { 864 return NULL; 865 } 866 867 static inline void acpi_early_init(void) { } 868 static inline void acpi_subsystem_init(void) { } 869 870 static inline int early_acpi_boot_init(void) 871 { 872 return 0; 873 } 874 static inline int acpi_boot_init(void) 875 { 876 return 0; 877 } 878 879 static inline void acpi_boot_table_prepare(void) 880 { 881 } 882 883 static inline void acpi_boot_table_init(void) 884 { 885 } 886 887 static inline int acpi_mps_check(void) 888 { 889 return 0; 890 } 891 892 static inline int acpi_check_resource_conflict(struct resource *res) 893 { 894 return 0; 895 } 896 897 static inline int acpi_check_region(resource_size_t start, resource_size_t n, 898 const char *name) 899 { 900 return 0; 901 } 902 903 struct acpi_table_header; 904 static inline int acpi_table_parse(char *id, 905 int (*handler)(struct acpi_table_header *)) 906 { 907 return -ENODEV; 908 } 909 910 static inline int acpi_nvs_register(__u64 start, __u64 size) 911 { 912 return 0; 913 } 914 915 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 916 void *data) 917 { 918 return 0; 919 } 920 921 struct acpi_device_id; 922 923 static inline const struct acpi_device_id *acpi_match_acpi_device( 924 const struct acpi_device_id *ids, const struct acpi_device *adev) 925 { 926 return NULL; 927 } 928 929 static inline const struct acpi_device_id *acpi_match_device( 930 const struct acpi_device_id *ids, const struct device *dev) 931 { 932 return NULL; 933 } 934 935 static inline const void *acpi_device_get_match_data(const struct device *dev) 936 { 937 return NULL; 938 } 939 940 static inline bool acpi_driver_match_device(struct device *dev, 941 const struct device_driver *drv) 942 { 943 return false; 944 } 945 946 static inline bool acpi_check_dsm(acpi_handle handle, const guid_t *guid, 947 u64 rev, u64 funcs) 948 { 949 return false; 950 } 951 952 static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle, 953 const guid_t *guid, 954 u64 rev, u64 func, 955 union acpi_object *argv4) 956 { 957 return NULL; 958 } 959 960 static inline union acpi_object *acpi_evaluate_dsm_typed(acpi_handle handle, 961 const guid_t *guid, 962 u64 rev, u64 func, 963 union acpi_object *argv4, 964 acpi_object_type type) 965 { 966 return NULL; 967 } 968 969 static inline int acpi_device_uevent_modalias(const struct device *dev, 970 struct kobj_uevent_env *env) 971 { 972 return -ENODEV; 973 } 974 975 static inline int acpi_device_modalias(struct device *dev, 976 char *buf, int size) 977 { 978 return -ENODEV; 979 } 980 981 static inline struct platform_device * 982 acpi_create_platform_device(struct acpi_device *adev, 983 const struct property_entry *properties) 984 { 985 return NULL; 986 } 987 988 static inline bool acpi_dma_supported(const struct acpi_device *adev) 989 { 990 return false; 991 } 992 993 static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev) 994 { 995 return DEV_DMA_NOT_SUPPORTED; 996 } 997 998 static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map) 999 { 1000 return -ENODEV; 1001 } 1002 1003 static inline int acpi_dma_configure(struct device *dev, 1004 enum dev_dma_attr attr) 1005 { 1006 return 0; 1007 } 1008 1009 static inline int acpi_dma_configure_id(struct device *dev, 1010 enum dev_dma_attr attr, 1011 const u32 *input_id) 1012 { 1013 return 0; 1014 } 1015 1016 #define ACPI_PTR(_ptr) (NULL) 1017 1018 static inline void acpi_device_set_enumerated(struct acpi_device *adev) 1019 { 1020 } 1021 1022 static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 1023 { 1024 } 1025 1026 static inline int acpi_reconfig_notifier_register(struct notifier_block *nb) 1027 { 1028 return -EINVAL; 1029 } 1030 1031 static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb) 1032 { 1033 return -EINVAL; 1034 } 1035 1036 static inline struct acpi_device *acpi_resource_consumer(struct resource *res) 1037 { 1038 return NULL; 1039 } 1040 1041 static inline int acpi_get_local_address(acpi_handle handle, u32 *addr) 1042 { 1043 return -ENODEV; 1044 } 1045 1046 static inline const char *acpi_get_subsystem_id(acpi_handle handle) 1047 { 1048 return ERR_PTR(-ENODEV); 1049 } 1050 1051 static inline int acpi_register_wakeup_handler(int wake_irq, 1052 bool (*wakeup)(void *context), void *context) 1053 { 1054 return -ENXIO; 1055 } 1056 1057 static inline void acpi_unregister_wakeup_handler( 1058 bool (*wakeup)(void *context), void *context) { } 1059 1060 struct acpi_osc_context; 1061 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context) 1062 { 1063 return 0; 1064 } 1065 1066 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context) 1067 { 1068 return 0; 1069 } 1070 1071 static inline bool acpi_sleep_state_supported(u8 sleep_state) 1072 { 1073 return false; 1074 } 1075 1076 static inline acpi_handle acpi_get_processor_handle(int cpu) 1077 { 1078 return NULL; 1079 } 1080 1081 #endif /* !CONFIG_ACPI */ 1082 1083 extern void arch_post_acpi_subsys_init(void); 1084 1085 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 1086 int acpi_ioapic_add(acpi_handle root); 1087 #else 1088 static inline int acpi_ioapic_add(acpi_handle root) { return 0; } 1089 #endif 1090 1091 #ifdef CONFIG_ACPI 1092 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, 1093 u32 pm1a_ctrl, u32 pm1b_ctrl)); 1094 1095 acpi_status acpi_os_prepare_sleep(u8 sleep_state, 1096 u32 pm1a_control, u32 pm1b_control); 1097 1098 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, 1099 u32 val_a, u32 val_b)); 1100 1101 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, 1102 u32 val_a, u32 val_b); 1103 #if defined(CONFIG_SUSPEND) && defined(CONFIG_X86) 1104 struct acpi_s2idle_dev_ops { 1105 struct list_head list_node; 1106 void (*prepare)(void); 1107 void (*check)(void); 1108 void (*restore)(void); 1109 }; 1110 int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg); 1111 void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg); 1112 int acpi_get_lps0_constraint(struct acpi_device *adev); 1113 #else /* CONFIG_SUSPEND && CONFIG_X86 */ 1114 static inline int acpi_get_lps0_constraint(struct device *dev) 1115 { 1116 return ACPI_STATE_UNKNOWN; 1117 } 1118 #endif /* CONFIG_SUSPEND && CONFIG_X86 */ 1119 void arch_reserve_mem_area(acpi_physical_address addr, size_t size); 1120 #else 1121 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) 1122 #endif 1123 1124 #if defined(CONFIG_ACPI) && defined(CONFIG_PM) 1125 int acpi_dev_suspend(struct device *dev, bool wakeup); 1126 int acpi_dev_resume(struct device *dev); 1127 int acpi_subsys_runtime_suspend(struct device *dev); 1128 int acpi_subsys_runtime_resume(struct device *dev); 1129 int acpi_dev_pm_attach(struct device *dev, bool power_on); 1130 bool acpi_storage_d3(struct device *dev); 1131 bool acpi_dev_state_d0(struct device *dev); 1132 #else 1133 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } 1134 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } 1135 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) 1136 { 1137 return 0; 1138 } 1139 static inline bool acpi_storage_d3(struct device *dev) 1140 { 1141 return false; 1142 } 1143 static inline bool acpi_dev_state_d0(struct device *dev) 1144 { 1145 return true; 1146 } 1147 #endif 1148 1149 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) 1150 int acpi_subsys_prepare(struct device *dev); 1151 void acpi_subsys_complete(struct device *dev); 1152 int acpi_subsys_suspend_late(struct device *dev); 1153 int acpi_subsys_suspend_noirq(struct device *dev); 1154 int acpi_subsys_suspend(struct device *dev); 1155 int acpi_subsys_freeze(struct device *dev); 1156 int acpi_subsys_poweroff(struct device *dev); 1157 void acpi_ec_mark_gpe_for_wake(void); 1158 void acpi_ec_set_gpe_wake_mask(u8 action); 1159 int acpi_subsys_restore_early(struct device *dev); 1160 #else 1161 static inline int acpi_subsys_prepare(struct device *dev) { return 0; } 1162 static inline void acpi_subsys_complete(struct device *dev) {} 1163 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } 1164 static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; } 1165 static inline int acpi_subsys_suspend(struct device *dev) { return 0; } 1166 static inline int acpi_subsys_freeze(struct device *dev) { return 0; } 1167 static inline int acpi_subsys_poweroff(struct device *dev) { return 0; } 1168 static inline int acpi_subsys_restore_early(struct device *dev) { return 0; } 1169 static inline void acpi_ec_mark_gpe_for_wake(void) {} 1170 static inline void acpi_ec_set_gpe_wake_mask(u8 action) {} 1171 #endif 1172 1173 #ifdef CONFIG_ACPI 1174 char *acpi_handle_path(acpi_handle handle); 1175 __printf(3, 4) 1176 void acpi_handle_printk(const char *level, acpi_handle handle, 1177 const char *fmt, ...); 1178 void acpi_evaluation_failure_warn(acpi_handle handle, const char *name, 1179 acpi_status status); 1180 #else /* !CONFIG_ACPI */ 1181 static inline __printf(3, 4) void 1182 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} 1183 static inline void acpi_evaluation_failure_warn(acpi_handle handle, 1184 const char *name, 1185 acpi_status status) {} 1186 #endif /* !CONFIG_ACPI */ 1187 1188 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) 1189 __printf(3, 4) 1190 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); 1191 #endif 1192 1193 /* 1194 * acpi_handle_<level>: Print message with ACPI prefix and object path 1195 * 1196 * These interfaces acquire the global namespace mutex to obtain an object 1197 * path. In interrupt context, it shows the object path as <n/a>. 1198 */ 1199 #define acpi_handle_emerg(handle, fmt, ...) \ 1200 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) 1201 #define acpi_handle_alert(handle, fmt, ...) \ 1202 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) 1203 #define acpi_handle_crit(handle, fmt, ...) \ 1204 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) 1205 #define acpi_handle_err(handle, fmt, ...) \ 1206 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) 1207 #define acpi_handle_warn(handle, fmt, ...) \ 1208 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) 1209 #define acpi_handle_notice(handle, fmt, ...) \ 1210 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) 1211 #define acpi_handle_info(handle, fmt, ...) \ 1212 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) 1213 1214 #if defined(DEBUG) 1215 #define acpi_handle_debug(handle, fmt, ...) \ 1216 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) 1217 #else 1218 #if defined(CONFIG_DYNAMIC_DEBUG) 1219 #define acpi_handle_debug(handle, fmt, ...) \ 1220 _dynamic_func_call(fmt, __acpi_handle_debug, \ 1221 handle, pr_fmt(fmt), ##__VA_ARGS__) 1222 #else 1223 #define acpi_handle_debug(handle, fmt, ...) \ 1224 ({ \ 1225 if (0) \ 1226 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ 1227 0; \ 1228 }) 1229 #endif 1230 #endif 1231 1232 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) 1233 bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1234 struct acpi_resource_gpio **agpio); 1235 bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1236 struct acpi_resource_gpio **agpio); 1237 int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id, int index, 1238 bool *wake_capable); 1239 #else 1240 static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1241 struct acpi_resource_gpio **agpio) 1242 { 1243 return false; 1244 } 1245 static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1246 struct acpi_resource_gpio **agpio) 1247 { 1248 return false; 1249 } 1250 static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id, 1251 int index, bool *wake_capable) 1252 { 1253 return -ENXIO; 1254 } 1255 #endif 1256 1257 static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index, 1258 bool *wake_capable) 1259 { 1260 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable); 1261 } 1262 1263 static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *con_id, 1264 int index) 1265 { 1266 return acpi_dev_gpio_irq_wake_get_by(adev, con_id, index, NULL); 1267 } 1268 1269 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) 1270 { 1271 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL); 1272 } 1273 1274 /* Device properties */ 1275 1276 #ifdef CONFIG_ACPI 1277 int acpi_dev_get_property(const struct acpi_device *adev, const char *name, 1278 acpi_object_type type, const union acpi_object **obj); 1279 int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1280 const char *name, size_t index, size_t num_args, 1281 struct fwnode_reference_args *args); 1282 1283 static inline int acpi_node_get_property_reference( 1284 const struct fwnode_handle *fwnode, 1285 const char *name, size_t index, 1286 struct fwnode_reference_args *args) 1287 { 1288 return __acpi_node_get_property_reference(fwnode, name, index, 1289 NR_FWNODE_REFERENCE_ARGS, args); 1290 } 1291 1292 static inline bool acpi_dev_has_props(const struct acpi_device *adev) 1293 { 1294 return !list_empty(&adev->data.properties); 1295 } 1296 1297 struct acpi_device_properties * 1298 acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid, 1299 union acpi_object *properties); 1300 1301 int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname, 1302 void **valptr); 1303 1304 struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1305 struct fwnode_handle *child); 1306 1307 struct acpi_probe_entry; 1308 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *, 1309 struct acpi_probe_entry *); 1310 1311 #define ACPI_TABLE_ID_LEN 5 1312 1313 /** 1314 * struct acpi_probe_entry - boot-time probing entry 1315 * @id: ACPI table name 1316 * @type: Optional subtable type to match 1317 * (if @id contains subtables) 1318 * @subtable_valid: Optional callback to check the validity of 1319 * the subtable 1320 * @probe_table: Callback to the driver being probed when table 1321 * match is successful 1322 * @probe_subtbl: Callback to the driver being probed when table and 1323 * subtable match (and optional callback is successful) 1324 * @driver_data: Sideband data provided back to the driver 1325 */ 1326 struct acpi_probe_entry { 1327 __u8 id[ACPI_TABLE_ID_LEN]; 1328 __u8 type; 1329 acpi_probe_entry_validate_subtbl subtable_valid; 1330 union { 1331 acpi_tbl_table_handler probe_table; 1332 acpi_tbl_entry_handler probe_subtbl; 1333 }; 1334 kernel_ulong_t driver_data; 1335 }; 1336 1337 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \ 1338 valid, data, fn) \ 1339 static const struct acpi_probe_entry __acpi_probe_##name \ 1340 __used __section("__" #table "_acpi_probe_table") = { \ 1341 .id = table_id, \ 1342 .type = subtable, \ 1343 .subtable_valid = valid, \ 1344 .probe_table = fn, \ 1345 .driver_data = data, \ 1346 } 1347 1348 #define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \ 1349 subtable, valid, data, fn) \ 1350 static const struct acpi_probe_entry __acpi_probe_##name \ 1351 __used __section("__" #table "_acpi_probe_table") = { \ 1352 .id = table_id, \ 1353 .type = subtable, \ 1354 .subtable_valid = valid, \ 1355 .probe_subtbl = fn, \ 1356 .driver_data = data, \ 1357 } 1358 1359 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table 1360 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end 1361 1362 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr); 1363 1364 #define acpi_probe_device_table(t) \ 1365 ({ \ 1366 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \ 1367 ACPI_PROBE_TABLE_END(t); \ 1368 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \ 1369 (&ACPI_PROBE_TABLE_END(t) - \ 1370 &ACPI_PROBE_TABLE(t))); \ 1371 }) 1372 #else 1373 static inline int acpi_dev_get_property(struct acpi_device *adev, 1374 const char *name, acpi_object_type type, 1375 const union acpi_object **obj) 1376 { 1377 return -ENXIO; 1378 } 1379 1380 static inline int 1381 __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1382 const char *name, size_t index, size_t num_args, 1383 struct fwnode_reference_args *args) 1384 { 1385 return -ENXIO; 1386 } 1387 1388 static inline int 1389 acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1390 const char *name, size_t index, 1391 struct fwnode_reference_args *args) 1392 { 1393 return -ENXIO; 1394 } 1395 1396 static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode, 1397 const char *propname, 1398 void **valptr) 1399 { 1400 return -ENXIO; 1401 } 1402 1403 static inline struct fwnode_handle * 1404 acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1405 struct fwnode_handle *child) 1406 { 1407 return NULL; 1408 } 1409 1410 static inline struct fwnode_handle * 1411 acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode, 1412 struct fwnode_handle *prev) 1413 { 1414 return ERR_PTR(-ENXIO); 1415 } 1416 1417 static inline int 1418 acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode, 1419 struct fwnode_handle **remote, 1420 struct fwnode_handle **port, 1421 struct fwnode_handle **endpoint) 1422 { 1423 return -ENXIO; 1424 } 1425 1426 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ 1427 static const void * __acpi_table_##name[] \ 1428 __attribute__((unused)) \ 1429 = { (void *) table_id, \ 1430 (void *) subtable, \ 1431 (void *) valid, \ 1432 (void *) fn, \ 1433 (void *) data } 1434 1435 #define acpi_probe_device_table(t) ({ int __r = 0; __r;}) 1436 #endif 1437 1438 #ifdef CONFIG_ACPI_TABLE_UPGRADE 1439 void acpi_table_upgrade(void); 1440 #else 1441 static inline void acpi_table_upgrade(void) { } 1442 #endif 1443 1444 #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG) 1445 extern bool acpi_has_watchdog(void); 1446 #else 1447 static inline bool acpi_has_watchdog(void) { return false; } 1448 #endif 1449 1450 #ifdef CONFIG_ACPI_SPCR_TABLE 1451 extern bool qdf2400_e44_present; 1452 int acpi_parse_spcr(bool enable_earlycon, bool enable_console); 1453 #else 1454 static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console) 1455 { 1456 return 0; 1457 } 1458 #endif 1459 1460 #if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI) 1461 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res); 1462 #else 1463 static inline 1464 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res) 1465 { 1466 return -EINVAL; 1467 } 1468 #endif 1469 1470 #ifdef CONFIG_ACPI_LPIT 1471 int lpit_read_residency_count_address(u64 *address); 1472 #else 1473 static inline int lpit_read_residency_count_address(u64 *address) 1474 { 1475 return -EINVAL; 1476 } 1477 #endif 1478 1479 #ifdef CONFIG_ACPI_PROCESSOR_IDLE 1480 #ifndef arch_get_idle_state_flags 1481 static inline unsigned int arch_get_idle_state_flags(u32 arch_flags) 1482 { 1483 return 0; 1484 } 1485 #endif 1486 #endif /* CONFIG_ACPI_PROCESSOR_IDLE */ 1487 1488 #ifdef CONFIG_ACPI_PPTT 1489 int acpi_pptt_cpu_is_thread(unsigned int cpu); 1490 int find_acpi_cpu_topology(unsigned int cpu, int level); 1491 int find_acpi_cpu_topology_cluster(unsigned int cpu); 1492 int find_acpi_cpu_topology_package(unsigned int cpu); 1493 int find_acpi_cpu_topology_hetero_id(unsigned int cpu); 1494 #else 1495 static inline int acpi_pptt_cpu_is_thread(unsigned int cpu) 1496 { 1497 return -EINVAL; 1498 } 1499 static inline int find_acpi_cpu_topology(unsigned int cpu, int level) 1500 { 1501 return -EINVAL; 1502 } 1503 static inline int find_acpi_cpu_topology_cluster(unsigned int cpu) 1504 { 1505 return -EINVAL; 1506 } 1507 static inline int find_acpi_cpu_topology_package(unsigned int cpu) 1508 { 1509 return -EINVAL; 1510 } 1511 static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu) 1512 { 1513 return -EINVAL; 1514 } 1515 #endif 1516 1517 #ifdef CONFIG_ARM64 1518 void acpi_arm_init(void); 1519 #else 1520 static inline void acpi_arm_init(void) { } 1521 #endif 1522 1523 #ifdef CONFIG_ACPI_PCC 1524 void acpi_init_pcc(void); 1525 #else 1526 static inline void acpi_init_pcc(void) { } 1527 #endif 1528 1529 #ifdef CONFIG_ACPI_FFH 1530 void acpi_init_ffh(void); 1531 extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt, 1532 void **region_ctxt); 1533 extern int acpi_ffh_address_space_arch_handler(acpi_integer *value, 1534 void *region_context); 1535 #else 1536 static inline void acpi_init_ffh(void) { } 1537 #endif 1538 1539 #ifdef CONFIG_ACPI 1540 extern void acpi_device_notify(struct device *dev); 1541 extern void acpi_device_notify_remove(struct device *dev); 1542 #else 1543 static inline void acpi_device_notify(struct device *dev) { } 1544 static inline void acpi_device_notify_remove(struct device *dev) { } 1545 #endif 1546 1547 static inline void acpi_use_parent_companion(struct device *dev) 1548 { 1549 ACPI_COMPANION_SET(dev, ACPI_COMPANION(dev->parent)); 1550 } 1551 1552 #ifdef CONFIG_ACPI_HMAT 1553 int hmat_update_target_coordinates(int nid, struct access_coordinate *coord, 1554 enum access_coordinate_class access); 1555 #else 1556 static inline int hmat_update_target_coordinates(int nid, 1557 struct access_coordinate *coord, 1558 enum access_coordinate_class access) 1559 { 1560 return -EOPNOTSUPP; 1561 } 1562 #endif 1563 1564 #ifdef CONFIG_ACPI_NUMA 1565 bool acpi_node_backed_by_real_pxm(int nid); 1566 #else 1567 static inline bool acpi_node_backed_by_real_pxm(int nid) 1568 { 1569 return false; 1570 } 1571 #endif 1572 1573 #endif /*_LINUX_ACPI_H*/ 1574