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_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 577 #define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00002000 578 #define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000 579 #define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000 580 #define OSC_SB_PRM_SUPPORT 0x00200000 581 #define OSC_SB_FFH_OPR_SUPPORT 0x00400000 582 583 extern bool osc_sb_apei_support_acked; 584 extern bool osc_pc_lpi_support_confirmed; 585 extern bool osc_sb_native_usb4_support_confirmed; 586 extern bool osc_sb_cppc2_support_acked; 587 extern bool osc_cpc_flexible_adr_space_confirmed; 588 589 /* USB4 Capabilities */ 590 #define OSC_USB_USB3_TUNNELING 0x00000001 591 #define OSC_USB_DP_TUNNELING 0x00000002 592 #define OSC_USB_PCIE_TUNNELING 0x00000004 593 #define OSC_USB_XDOMAIN 0x00000008 594 595 extern u32 osc_sb_native_usb4_control; 596 597 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */ 598 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001 599 #define OSC_PCI_ASPM_SUPPORT 0x00000002 600 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004 601 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008 602 #define OSC_PCI_MSI_SUPPORT 0x00000010 603 #define OSC_PCI_EDR_SUPPORT 0x00000080 604 #define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100 605 606 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */ 607 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001 608 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002 609 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004 610 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008 611 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010 612 #define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020 613 #define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080 614 615 /* CXL _OSC: Capabilities DWORD 4: Support Field */ 616 #define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT 0x00000001 617 #define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT 0x00000002 618 #define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT 0x00000004 619 #define OSC_CXL_NATIVE_HP_SUPPORT 0x00000008 620 621 /* CXL _OSC: Capabilities DWORD 5: Control Field */ 622 #define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001 623 624 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context) 625 { 626 u32 *ret = context->ret.pointer; 627 628 return ret[OSC_CONTROL_DWORD]; 629 } 630 631 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context) 632 { 633 u32 *ret = context->ret.pointer; 634 635 return ret[OSC_EXT_CONTROL_DWORD]; 636 } 637 638 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002 639 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004 640 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006 641 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008 642 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A 643 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B 644 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C 645 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D 646 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E 647 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F 648 649 /* Enable _OST when all relevant hotplug operations are enabled */ 650 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ 651 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \ 652 defined(CONFIG_ACPI_CONTAINER) 653 #define ACPI_HOTPLUG_OST 654 #endif 655 656 /* _OST Source Event Code (OSPM Action) */ 657 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100 658 #define ACPI_OST_EC_OSPM_EJECT 0x103 659 #define ACPI_OST_EC_OSPM_INSERTION 0x200 660 661 /* _OST General Processing Status Code */ 662 #define ACPI_OST_SC_SUCCESS 0x0 663 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1 664 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2 665 666 /* _OST OS Shutdown Processing (0x100) Status Code */ 667 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80 668 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81 669 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82 670 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83 671 672 /* _OST Ejection Request (0x3, 0x103) Status Code */ 673 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80 674 #define ACPI_OST_SC_DEVICE_IN_USE 0x81 675 #define ACPI_OST_SC_DEVICE_BUSY 0x82 676 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83 677 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84 678 679 /* _OST Insertion Request (0x200) Status Code */ 680 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80 681 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 682 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 683 684 enum acpi_predicate { 685 all_versions, 686 less_than_or_equal, 687 equal, 688 greater_than_or_equal, 689 }; 690 691 /* Table must be terminted by a NULL entry */ 692 struct acpi_platform_list { 693 char oem_id[ACPI_OEM_ID_SIZE+1]; 694 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1]; 695 u32 oem_revision; 696 char *table; 697 enum acpi_predicate pred; 698 char *reason; 699 u32 data; 700 }; 701 int acpi_match_platform_list(const struct acpi_platform_list *plat); 702 703 extern void acpi_early_init(void); 704 extern void acpi_subsystem_init(void); 705 706 extern int acpi_nvs_register(__u64 start, __u64 size); 707 708 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 709 void *data); 710 711 const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids, 712 const struct acpi_device *adev); 713 714 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, 715 const struct device *dev); 716 717 const void *acpi_device_get_match_data(const struct device *dev); 718 extern bool acpi_driver_match_device(struct device *dev, 719 const struct device_driver *drv); 720 int acpi_device_uevent_modalias(const struct device *, struct kobj_uevent_env *); 721 int acpi_device_modalias(struct device *, char *, int); 722 723 struct platform_device *acpi_create_platform_device(struct acpi_device *, 724 const struct property_entry *); 725 #define ACPI_PTR(_ptr) (_ptr) 726 727 static inline void acpi_device_set_enumerated(struct acpi_device *adev) 728 { 729 adev->flags.visited = true; 730 } 731 732 static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 733 { 734 adev->flags.visited = false; 735 } 736 737 enum acpi_reconfig_event { 738 ACPI_RECONFIG_DEVICE_ADD = 0, 739 ACPI_RECONFIG_DEVICE_REMOVE, 740 }; 741 742 int acpi_reconfig_notifier_register(struct notifier_block *nb); 743 int acpi_reconfig_notifier_unregister(struct notifier_block *nb); 744 745 #ifdef CONFIG_ACPI_GTDT 746 int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count); 747 int acpi_gtdt_map_ppi(int type); 748 bool acpi_gtdt_c3stop(int type); 749 int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count); 750 #endif 751 752 #ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER 753 static inline void acpi_arch_set_root_pointer(u64 addr) 754 { 755 } 756 #endif 757 758 #ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER 759 static inline u64 acpi_arch_get_root_pointer(void) 760 { 761 return 0; 762 } 763 #endif 764 765 int acpi_get_local_address(acpi_handle handle, u32 *addr); 766 const char *acpi_get_subsystem_id(acpi_handle handle); 767 768 #else /* !CONFIG_ACPI */ 769 770 #define acpi_disabled 1 771 772 #define ACPI_COMPANION(dev) (NULL) 773 #define ACPI_COMPANION_SET(dev, adev) do { } while (0) 774 #define ACPI_HANDLE(dev) (NULL) 775 #define ACPI_HANDLE_FWNODE(fwnode) (NULL) 776 777 /* Get rid of the -Wunused-variable for adev */ 778 #define acpi_dev_uid_match(adev, uid2) (adev && false) 779 #define acpi_dev_hid_uid_match(adev, hid2, uid2) (adev && false) 780 781 #include <acpi/acpi_numa.h> 782 783 struct fwnode_handle; 784 785 static inline bool acpi_dev_found(const char *hid) 786 { 787 return false; 788 } 789 790 static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv) 791 { 792 return false; 793 } 794 795 struct acpi_device; 796 797 static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer) 798 { 799 return -ENODEV; 800 } 801 802 static inline struct acpi_device * 803 acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv) 804 { 805 return NULL; 806 } 807 808 static inline bool acpi_reduced_hardware(void) 809 { 810 return false; 811 } 812 813 static inline void acpi_dev_put(struct acpi_device *adev) {} 814 815 static inline bool is_acpi_node(const struct fwnode_handle *fwnode) 816 { 817 return false; 818 } 819 820 static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode) 821 { 822 return false; 823 } 824 825 static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode) 826 { 827 return NULL; 828 } 829 830 static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode) 831 { 832 return false; 833 } 834 835 static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode) 836 { 837 return NULL; 838 } 839 840 static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode, 841 const char *name) 842 { 843 return false; 844 } 845 846 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) 847 { 848 return NULL; 849 } 850 851 static inline bool has_acpi_companion(struct device *dev) 852 { 853 return false; 854 } 855 856 static inline void acpi_preset_companion(struct device *dev, 857 struct acpi_device *parent, u64 addr) 858 { 859 } 860 861 static inline const char *acpi_dev_name(struct acpi_device *adev) 862 { 863 return NULL; 864 } 865 866 static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev) 867 { 868 return NULL; 869 } 870 871 static inline void acpi_early_init(void) { } 872 static inline void acpi_subsystem_init(void) { } 873 874 static inline int early_acpi_boot_init(void) 875 { 876 return 0; 877 } 878 static inline int acpi_boot_init(void) 879 { 880 return 0; 881 } 882 883 static inline void acpi_boot_table_prepare(void) 884 { 885 } 886 887 static inline void acpi_boot_table_init(void) 888 { 889 } 890 891 static inline int acpi_mps_check(void) 892 { 893 return 0; 894 } 895 896 static inline int acpi_check_resource_conflict(struct resource *res) 897 { 898 return 0; 899 } 900 901 static inline int acpi_check_region(resource_size_t start, resource_size_t n, 902 const char *name) 903 { 904 return 0; 905 } 906 907 struct acpi_table_header; 908 static inline int acpi_table_parse(char *id, 909 int (*handler)(struct acpi_table_header *)) 910 { 911 return -ENODEV; 912 } 913 914 static inline int acpi_nvs_register(__u64 start, __u64 size) 915 { 916 return 0; 917 } 918 919 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 920 void *data) 921 { 922 return 0; 923 } 924 925 struct acpi_device_id; 926 927 static inline const struct acpi_device_id *acpi_match_acpi_device( 928 const struct acpi_device_id *ids, const struct acpi_device *adev) 929 { 930 return NULL; 931 } 932 933 static inline const struct acpi_device_id *acpi_match_device( 934 const struct acpi_device_id *ids, const struct device *dev) 935 { 936 return NULL; 937 } 938 939 static inline const void *acpi_device_get_match_data(const struct device *dev) 940 { 941 return NULL; 942 } 943 944 static inline bool acpi_driver_match_device(struct device *dev, 945 const struct device_driver *drv) 946 { 947 return false; 948 } 949 950 static inline bool acpi_check_dsm(acpi_handle handle, const guid_t *guid, 951 u64 rev, u64 funcs) 952 { 953 return false; 954 } 955 956 static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle, 957 const guid_t *guid, 958 u64 rev, u64 func, 959 union acpi_object *argv4) 960 { 961 return NULL; 962 } 963 964 static inline union acpi_object *acpi_evaluate_dsm_typed(acpi_handle handle, 965 const guid_t *guid, 966 u64 rev, u64 func, 967 union acpi_object *argv4, 968 acpi_object_type type) 969 { 970 return NULL; 971 } 972 973 static inline int acpi_device_uevent_modalias(const struct device *dev, 974 struct kobj_uevent_env *env) 975 { 976 return -ENODEV; 977 } 978 979 static inline int acpi_device_modalias(struct device *dev, 980 char *buf, int size) 981 { 982 return -ENODEV; 983 } 984 985 static inline struct platform_device * 986 acpi_create_platform_device(struct acpi_device *adev, 987 const struct property_entry *properties) 988 { 989 return NULL; 990 } 991 992 static inline bool acpi_dma_supported(const struct acpi_device *adev) 993 { 994 return false; 995 } 996 997 static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev) 998 { 999 return DEV_DMA_NOT_SUPPORTED; 1000 } 1001 1002 static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map) 1003 { 1004 return -ENODEV; 1005 } 1006 1007 static inline int acpi_dma_configure(struct device *dev, 1008 enum dev_dma_attr attr) 1009 { 1010 return 0; 1011 } 1012 1013 static inline int acpi_dma_configure_id(struct device *dev, 1014 enum dev_dma_attr attr, 1015 const u32 *input_id) 1016 { 1017 return 0; 1018 } 1019 1020 #define ACPI_PTR(_ptr) (NULL) 1021 1022 static inline void acpi_device_set_enumerated(struct acpi_device *adev) 1023 { 1024 } 1025 1026 static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 1027 { 1028 } 1029 1030 static inline int acpi_reconfig_notifier_register(struct notifier_block *nb) 1031 { 1032 return -EINVAL; 1033 } 1034 1035 static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb) 1036 { 1037 return -EINVAL; 1038 } 1039 1040 static inline struct acpi_device *acpi_resource_consumer(struct resource *res) 1041 { 1042 return NULL; 1043 } 1044 1045 static inline int acpi_get_local_address(acpi_handle handle, u32 *addr) 1046 { 1047 return -ENODEV; 1048 } 1049 1050 static inline const char *acpi_get_subsystem_id(acpi_handle handle) 1051 { 1052 return ERR_PTR(-ENODEV); 1053 } 1054 1055 static inline int acpi_register_wakeup_handler(int wake_irq, 1056 bool (*wakeup)(void *context), void *context) 1057 { 1058 return -ENXIO; 1059 } 1060 1061 static inline void acpi_unregister_wakeup_handler( 1062 bool (*wakeup)(void *context), void *context) { } 1063 1064 struct acpi_osc_context; 1065 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context) 1066 { 1067 return 0; 1068 } 1069 1070 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context) 1071 { 1072 return 0; 1073 } 1074 1075 static inline bool acpi_sleep_state_supported(u8 sleep_state) 1076 { 1077 return false; 1078 } 1079 1080 #endif /* !CONFIG_ACPI */ 1081 1082 extern void arch_post_acpi_subsys_init(void); 1083 1084 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 1085 int acpi_ioapic_add(acpi_handle root); 1086 #else 1087 static inline int acpi_ioapic_add(acpi_handle root) { return 0; } 1088 #endif 1089 1090 #ifdef CONFIG_ACPI 1091 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, 1092 u32 pm1a_ctrl, u32 pm1b_ctrl)); 1093 1094 acpi_status acpi_os_prepare_sleep(u8 sleep_state, 1095 u32 pm1a_control, u32 pm1b_control); 1096 1097 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, 1098 u32 val_a, u32 val_b)); 1099 1100 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, 1101 u32 val_a, u32 val_b); 1102 #if defined(CONFIG_SUSPEND) && defined(CONFIG_X86) 1103 struct acpi_s2idle_dev_ops { 1104 struct list_head list_node; 1105 void (*prepare)(void); 1106 void (*check)(void); 1107 void (*restore)(void); 1108 }; 1109 int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg); 1110 void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg); 1111 int acpi_get_lps0_constraint(struct acpi_device *adev); 1112 #else /* CONFIG_SUSPEND && CONFIG_X86 */ 1113 static inline int acpi_get_lps0_constraint(struct device *dev) 1114 { 1115 return ACPI_STATE_UNKNOWN; 1116 } 1117 #endif /* CONFIG_SUSPEND && CONFIG_X86 */ 1118 void arch_reserve_mem_area(acpi_physical_address addr, size_t size); 1119 #else 1120 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) 1121 #endif 1122 1123 #if defined(CONFIG_ACPI) && defined(CONFIG_PM) 1124 int acpi_dev_suspend(struct device *dev, bool wakeup); 1125 int acpi_dev_resume(struct device *dev); 1126 int acpi_subsys_runtime_suspend(struct device *dev); 1127 int acpi_subsys_runtime_resume(struct device *dev); 1128 int acpi_dev_pm_attach(struct device *dev, bool power_on); 1129 bool acpi_storage_d3(struct device *dev); 1130 bool acpi_dev_state_d0(struct device *dev); 1131 #else 1132 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } 1133 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } 1134 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) 1135 { 1136 return 0; 1137 } 1138 static inline bool acpi_storage_d3(struct device *dev) 1139 { 1140 return false; 1141 } 1142 static inline bool acpi_dev_state_d0(struct device *dev) 1143 { 1144 return true; 1145 } 1146 #endif 1147 1148 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) 1149 int acpi_subsys_prepare(struct device *dev); 1150 void acpi_subsys_complete(struct device *dev); 1151 int acpi_subsys_suspend_late(struct device *dev); 1152 int acpi_subsys_suspend_noirq(struct device *dev); 1153 int acpi_subsys_suspend(struct device *dev); 1154 int acpi_subsys_freeze(struct device *dev); 1155 int acpi_subsys_poweroff(struct device *dev); 1156 void acpi_ec_mark_gpe_for_wake(void); 1157 void acpi_ec_set_gpe_wake_mask(u8 action); 1158 int acpi_subsys_restore_early(struct device *dev); 1159 #else 1160 static inline int acpi_subsys_prepare(struct device *dev) { return 0; } 1161 static inline void acpi_subsys_complete(struct device *dev) {} 1162 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } 1163 static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; } 1164 static inline int acpi_subsys_suspend(struct device *dev) { return 0; } 1165 static inline int acpi_subsys_freeze(struct device *dev) { return 0; } 1166 static inline int acpi_subsys_poweroff(struct device *dev) { return 0; } 1167 static inline int acpi_subsys_restore_early(struct device *dev) { return 0; } 1168 static inline void acpi_ec_mark_gpe_for_wake(void) {} 1169 static inline void acpi_ec_set_gpe_wake_mask(u8 action) {} 1170 #endif 1171 1172 #ifdef CONFIG_ACPI 1173 __printf(3, 4) 1174 void acpi_handle_printk(const char *level, acpi_handle handle, 1175 const char *fmt, ...); 1176 void acpi_evaluation_failure_warn(acpi_handle handle, const char *name, 1177 acpi_status status); 1178 #else /* !CONFIG_ACPI */ 1179 static inline __printf(3, 4) void 1180 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} 1181 static inline void acpi_evaluation_failure_warn(acpi_handle handle, 1182 const char *name, 1183 acpi_status status) {} 1184 #endif /* !CONFIG_ACPI */ 1185 1186 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) 1187 __printf(3, 4) 1188 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); 1189 #endif 1190 1191 /* 1192 * acpi_handle_<level>: Print message with ACPI prefix and object path 1193 * 1194 * These interfaces acquire the global namespace mutex to obtain an object 1195 * path. In interrupt context, it shows the object path as <n/a>. 1196 */ 1197 #define acpi_handle_emerg(handle, fmt, ...) \ 1198 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) 1199 #define acpi_handle_alert(handle, fmt, ...) \ 1200 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) 1201 #define acpi_handle_crit(handle, fmt, ...) \ 1202 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) 1203 #define acpi_handle_err(handle, fmt, ...) \ 1204 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) 1205 #define acpi_handle_warn(handle, fmt, ...) \ 1206 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) 1207 #define acpi_handle_notice(handle, fmt, ...) \ 1208 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) 1209 #define acpi_handle_info(handle, fmt, ...) \ 1210 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) 1211 1212 #if defined(DEBUG) 1213 #define acpi_handle_debug(handle, fmt, ...) \ 1214 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) 1215 #else 1216 #if defined(CONFIG_DYNAMIC_DEBUG) 1217 #define acpi_handle_debug(handle, fmt, ...) \ 1218 _dynamic_func_call(fmt, __acpi_handle_debug, \ 1219 handle, pr_fmt(fmt), ##__VA_ARGS__) 1220 #else 1221 #define acpi_handle_debug(handle, fmt, ...) \ 1222 ({ \ 1223 if (0) \ 1224 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ 1225 0; \ 1226 }) 1227 #endif 1228 #endif 1229 1230 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) 1231 bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1232 struct acpi_resource_gpio **agpio); 1233 bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1234 struct acpi_resource_gpio **agpio); 1235 int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name, int index, 1236 bool *wake_capable); 1237 #else 1238 static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1239 struct acpi_resource_gpio **agpio) 1240 { 1241 return false; 1242 } 1243 static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1244 struct acpi_resource_gpio **agpio) 1245 { 1246 return false; 1247 } 1248 static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name, 1249 int index, bool *wake_capable) 1250 { 1251 return -ENXIO; 1252 } 1253 #endif 1254 1255 static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index, 1256 bool *wake_capable) 1257 { 1258 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable); 1259 } 1260 1261 static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *name, 1262 int index) 1263 { 1264 return acpi_dev_gpio_irq_wake_get_by(adev, name, index, NULL); 1265 } 1266 1267 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) 1268 { 1269 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL); 1270 } 1271 1272 /* Device properties */ 1273 1274 #ifdef CONFIG_ACPI 1275 int acpi_dev_get_property(const struct acpi_device *adev, const char *name, 1276 acpi_object_type type, const union acpi_object **obj); 1277 int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1278 const char *name, size_t index, size_t num_args, 1279 struct fwnode_reference_args *args); 1280 1281 static inline int acpi_node_get_property_reference( 1282 const struct fwnode_handle *fwnode, 1283 const char *name, size_t index, 1284 struct fwnode_reference_args *args) 1285 { 1286 return __acpi_node_get_property_reference(fwnode, name, index, 1287 NR_FWNODE_REFERENCE_ARGS, args); 1288 } 1289 1290 static inline bool acpi_dev_has_props(const struct acpi_device *adev) 1291 { 1292 return !list_empty(&adev->data.properties); 1293 } 1294 1295 struct acpi_device_properties * 1296 acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid, 1297 union acpi_object *properties); 1298 1299 int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname, 1300 void **valptr); 1301 1302 struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1303 struct fwnode_handle *child); 1304 1305 struct acpi_probe_entry; 1306 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *, 1307 struct acpi_probe_entry *); 1308 1309 #define ACPI_TABLE_ID_LEN 5 1310 1311 /** 1312 * struct acpi_probe_entry - boot-time probing entry 1313 * @id: ACPI table name 1314 * @type: Optional subtable type to match 1315 * (if @id contains subtables) 1316 * @subtable_valid: Optional callback to check the validity of 1317 * the subtable 1318 * @probe_table: Callback to the driver being probed when table 1319 * match is successful 1320 * @probe_subtbl: Callback to the driver being probed when table and 1321 * subtable match (and optional callback is successful) 1322 * @driver_data: Sideband data provided back to the driver 1323 */ 1324 struct acpi_probe_entry { 1325 __u8 id[ACPI_TABLE_ID_LEN]; 1326 __u8 type; 1327 acpi_probe_entry_validate_subtbl subtable_valid; 1328 union { 1329 acpi_tbl_table_handler probe_table; 1330 acpi_tbl_entry_handler probe_subtbl; 1331 }; 1332 kernel_ulong_t driver_data; 1333 }; 1334 1335 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \ 1336 valid, data, fn) \ 1337 static const struct acpi_probe_entry __acpi_probe_##name \ 1338 __used __section("__" #table "_acpi_probe_table") = { \ 1339 .id = table_id, \ 1340 .type = subtable, \ 1341 .subtable_valid = valid, \ 1342 .probe_table = fn, \ 1343 .driver_data = data, \ 1344 } 1345 1346 #define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \ 1347 subtable, valid, data, fn) \ 1348 static const struct acpi_probe_entry __acpi_probe_##name \ 1349 __used __section("__" #table "_acpi_probe_table") = { \ 1350 .id = table_id, \ 1351 .type = subtable, \ 1352 .subtable_valid = valid, \ 1353 .probe_subtbl = fn, \ 1354 .driver_data = data, \ 1355 } 1356 1357 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table 1358 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end 1359 1360 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr); 1361 1362 #define acpi_probe_device_table(t) \ 1363 ({ \ 1364 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \ 1365 ACPI_PROBE_TABLE_END(t); \ 1366 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \ 1367 (&ACPI_PROBE_TABLE_END(t) - \ 1368 &ACPI_PROBE_TABLE(t))); \ 1369 }) 1370 #else 1371 static inline int acpi_dev_get_property(struct acpi_device *adev, 1372 const char *name, acpi_object_type type, 1373 const union acpi_object **obj) 1374 { 1375 return -ENXIO; 1376 } 1377 1378 static inline int 1379 __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1380 const char *name, size_t index, size_t num_args, 1381 struct fwnode_reference_args *args) 1382 { 1383 return -ENXIO; 1384 } 1385 1386 static inline int 1387 acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1388 const char *name, size_t index, 1389 struct fwnode_reference_args *args) 1390 { 1391 return -ENXIO; 1392 } 1393 1394 static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode, 1395 const char *propname, 1396 void **valptr) 1397 { 1398 return -ENXIO; 1399 } 1400 1401 static inline struct fwnode_handle * 1402 acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1403 struct fwnode_handle *child) 1404 { 1405 return NULL; 1406 } 1407 1408 static inline struct fwnode_handle * 1409 acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode, 1410 struct fwnode_handle *prev) 1411 { 1412 return ERR_PTR(-ENXIO); 1413 } 1414 1415 static inline int 1416 acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode, 1417 struct fwnode_handle **remote, 1418 struct fwnode_handle **port, 1419 struct fwnode_handle **endpoint) 1420 { 1421 return -ENXIO; 1422 } 1423 1424 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ 1425 static const void * __acpi_table_##name[] \ 1426 __attribute__((unused)) \ 1427 = { (void *) table_id, \ 1428 (void *) subtable, \ 1429 (void *) valid, \ 1430 (void *) fn, \ 1431 (void *) data } 1432 1433 #define acpi_probe_device_table(t) ({ int __r = 0; __r;}) 1434 #endif 1435 1436 #ifdef CONFIG_ACPI_TABLE_UPGRADE 1437 void acpi_table_upgrade(void); 1438 #else 1439 static inline void acpi_table_upgrade(void) { } 1440 #endif 1441 1442 #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG) 1443 extern bool acpi_has_watchdog(void); 1444 #else 1445 static inline bool acpi_has_watchdog(void) { return false; } 1446 #endif 1447 1448 #ifdef CONFIG_ACPI_SPCR_TABLE 1449 extern bool qdf2400_e44_present; 1450 int acpi_parse_spcr(bool enable_earlycon, bool enable_console); 1451 #else 1452 static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console) 1453 { 1454 return 0; 1455 } 1456 #endif 1457 1458 #if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI) 1459 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res); 1460 #else 1461 static inline 1462 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res) 1463 { 1464 return -EINVAL; 1465 } 1466 #endif 1467 1468 #ifdef CONFIG_ACPI_LPIT 1469 int lpit_read_residency_count_address(u64 *address); 1470 #else 1471 static inline int lpit_read_residency_count_address(u64 *address) 1472 { 1473 return -EINVAL; 1474 } 1475 #endif 1476 1477 #ifdef CONFIG_ACPI_PROCESSOR_IDLE 1478 #ifndef arch_get_idle_state_flags 1479 static inline unsigned int arch_get_idle_state_flags(u32 arch_flags) 1480 { 1481 return 0; 1482 } 1483 #endif 1484 #endif /* CONFIG_ACPI_PROCESSOR_IDLE */ 1485 1486 #ifdef CONFIG_ACPI_PPTT 1487 int acpi_pptt_cpu_is_thread(unsigned int cpu); 1488 int find_acpi_cpu_topology(unsigned int cpu, int level); 1489 int find_acpi_cpu_topology_cluster(unsigned int cpu); 1490 int find_acpi_cpu_topology_package(unsigned int cpu); 1491 int find_acpi_cpu_topology_hetero_id(unsigned int cpu); 1492 #else 1493 static inline int acpi_pptt_cpu_is_thread(unsigned int cpu) 1494 { 1495 return -EINVAL; 1496 } 1497 static inline int find_acpi_cpu_topology(unsigned int cpu, int level) 1498 { 1499 return -EINVAL; 1500 } 1501 static inline int find_acpi_cpu_topology_cluster(unsigned int cpu) 1502 { 1503 return -EINVAL; 1504 } 1505 static inline int find_acpi_cpu_topology_package(unsigned int cpu) 1506 { 1507 return -EINVAL; 1508 } 1509 static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu) 1510 { 1511 return -EINVAL; 1512 } 1513 #endif 1514 1515 #ifdef CONFIG_ARM64 1516 void acpi_arm_init(void); 1517 #else 1518 static inline void acpi_arm_init(void) { } 1519 #endif 1520 1521 #ifdef CONFIG_ACPI_PCC 1522 void acpi_init_pcc(void); 1523 #else 1524 static inline void acpi_init_pcc(void) { } 1525 #endif 1526 1527 #ifdef CONFIG_ACPI_FFH 1528 void acpi_init_ffh(void); 1529 extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt, 1530 void **region_ctxt); 1531 extern int acpi_ffh_address_space_arch_handler(acpi_integer *value, 1532 void *region_context); 1533 #else 1534 static inline void acpi_init_ffh(void) { } 1535 #endif 1536 1537 #ifdef CONFIG_ACPI 1538 extern void acpi_device_notify(struct device *dev); 1539 extern void acpi_device_notify_remove(struct device *dev); 1540 #else 1541 static inline void acpi_device_notify(struct device *dev) { } 1542 static inline void acpi_device_notify_remove(struct device *dev) { } 1543 #endif 1544 1545 static inline void acpi_use_parent_companion(struct device *dev) 1546 { 1547 ACPI_COMPANION_SET(dev, ACPI_COMPANION(dev->parent)); 1548 } 1549 1550 #endif /*_LINUX_ACPI_H*/ 1551