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/irqdomain.h> 14 #include <linux/resource_ext.h> 15 #include <linux/device.h> 16 #include <linux/property.h> 17 #include <linux/uuid.h> 18 19 #ifndef _LINUX 20 #define _LINUX 21 #endif 22 #include <acpi/acpi.h> 23 24 #ifdef CONFIG_ACPI 25 26 #include <linux/list.h> 27 #include <linux/mod_devicetable.h> 28 #include <linux/dynamic_debug.h> 29 #include <linux/module.h> 30 #include <linux/mutex.h> 31 32 #include <acpi/acpi_bus.h> 33 #include <acpi/acpi_drivers.h> 34 #include <acpi/acpi_numa.h> 35 #include <acpi/acpi_io.h> 36 #include <asm/acpi.h> 37 38 static inline acpi_handle acpi_device_handle(struct acpi_device *adev) 39 { 40 return adev ? adev->handle : NULL; 41 } 42 43 #define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode) 44 #define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \ 45 acpi_fwnode_handle(adev) : NULL) 46 #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev)) 47 #define ACPI_HANDLE_FWNODE(fwnode) \ 48 acpi_device_handle(to_acpi_device_node(fwnode)) 49 50 static inline struct fwnode_handle *acpi_alloc_fwnode_static(void) 51 { 52 struct fwnode_handle *fwnode; 53 54 fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL); 55 if (!fwnode) 56 return NULL; 57 58 fwnode_init(fwnode, &acpi_static_fwnode_ops); 59 60 return fwnode; 61 } 62 63 static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode) 64 { 65 if (WARN_ON(!is_acpi_static_node(fwnode))) 66 return; 67 68 kfree(fwnode); 69 } 70 71 /** 72 * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with 73 * the PCI-defined class-code information 74 * 75 * @_cls : the class, subclass, prog-if triple for this device 76 * @_msk : the class mask for this device 77 * 78 * This macro is used to create a struct acpi_device_id that matches a 79 * specific PCI class. The .id and .driver_data fields will be left 80 * initialized with the default value. 81 */ 82 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (_cls), .cls_msk = (_msk), 83 84 static inline bool has_acpi_companion(struct device *dev) 85 { 86 return is_acpi_device_node(dev->fwnode); 87 } 88 89 static inline void acpi_preset_companion(struct device *dev, 90 struct acpi_device *parent, u64 addr) 91 { 92 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false)); 93 } 94 95 static inline const char *acpi_dev_name(struct acpi_device *adev) 96 { 97 return dev_name(&adev->dev); 98 } 99 100 struct device *acpi_get_first_physical_node(struct acpi_device *adev); 101 102 enum acpi_irq_model_id { 103 ACPI_IRQ_MODEL_PIC = 0, 104 ACPI_IRQ_MODEL_IOAPIC, 105 ACPI_IRQ_MODEL_IOSAPIC, 106 ACPI_IRQ_MODEL_PLATFORM, 107 ACPI_IRQ_MODEL_GIC, 108 ACPI_IRQ_MODEL_COUNT 109 }; 110 111 extern enum acpi_irq_model_id acpi_irq_model; 112 113 enum acpi_interrupt_id { 114 ACPI_INTERRUPT_PMI = 1, 115 ACPI_INTERRUPT_INIT, 116 ACPI_INTERRUPT_CPEI, 117 ACPI_INTERRUPT_COUNT 118 }; 119 120 #define ACPI_SPACE_MEM 0 121 122 enum acpi_address_range_id { 123 ACPI_ADDRESS_RANGE_MEMORY = 1, 124 ACPI_ADDRESS_RANGE_RESERVED = 2, 125 ACPI_ADDRESS_RANGE_ACPI = 3, 126 ACPI_ADDRESS_RANGE_NVS = 4, 127 ACPI_ADDRESS_RANGE_COUNT 128 }; 129 130 131 /* Table Handlers */ 132 union acpi_subtable_headers { 133 struct acpi_subtable_header common; 134 struct acpi_hmat_structure hmat; 135 struct acpi_prmt_module_header prmt; 136 }; 137 138 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table); 139 140 typedef int (*acpi_tbl_entry_handler)(union acpi_subtable_headers *header, 141 const unsigned long end); 142 143 /* Debugger support */ 144 145 struct acpi_debugger_ops { 146 int (*create_thread)(acpi_osd_exec_callback function, void *context); 147 ssize_t (*write_log)(const char *msg); 148 ssize_t (*read_cmd)(char *buffer, size_t length); 149 int (*wait_command_ready)(bool single_step, char *buffer, size_t length); 150 int (*notify_command_complete)(void); 151 }; 152 153 struct acpi_debugger { 154 const struct acpi_debugger_ops *ops; 155 struct module *owner; 156 struct mutex lock; 157 }; 158 159 #ifdef CONFIG_ACPI_DEBUGGER 160 int __init acpi_debugger_init(void); 161 int acpi_register_debugger(struct module *owner, 162 const struct acpi_debugger_ops *ops); 163 void acpi_unregister_debugger(const struct acpi_debugger_ops *ops); 164 int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context); 165 ssize_t acpi_debugger_write_log(const char *msg); 166 ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length); 167 int acpi_debugger_wait_command_ready(void); 168 int acpi_debugger_notify_command_complete(void); 169 #else 170 static inline int acpi_debugger_init(void) 171 { 172 return -ENODEV; 173 } 174 175 static inline int acpi_register_debugger(struct module *owner, 176 const struct acpi_debugger_ops *ops) 177 { 178 return -ENODEV; 179 } 180 181 static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops) 182 { 183 } 184 185 static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function, 186 void *context) 187 { 188 return -ENODEV; 189 } 190 191 static inline int acpi_debugger_write_log(const char *msg) 192 { 193 return -ENODEV; 194 } 195 196 static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length) 197 { 198 return -ENODEV; 199 } 200 201 static inline int acpi_debugger_wait_command_ready(void) 202 { 203 return -ENODEV; 204 } 205 206 static inline int acpi_debugger_notify_command_complete(void) 207 { 208 return -ENODEV; 209 } 210 #endif 211 212 #define BAD_MADT_ENTRY(entry, end) ( \ 213 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \ 214 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry)) 215 216 struct acpi_subtable_proc { 217 int id; 218 acpi_tbl_entry_handler handler; 219 int count; 220 }; 221 222 void __iomem *__acpi_map_table(unsigned long phys, unsigned long size); 223 void __acpi_unmap_table(void __iomem *map, unsigned long size); 224 int early_acpi_boot_init(void); 225 int acpi_boot_init (void); 226 void acpi_boot_table_prepare (void); 227 void acpi_boot_table_init (void); 228 int acpi_mps_check (void); 229 int acpi_numa_init (void); 230 231 int acpi_locate_initial_tables (void); 232 void acpi_reserve_initial_tables (void); 233 void acpi_table_init_complete (void); 234 int acpi_table_init (void); 235 int acpi_table_parse(char *id, acpi_tbl_table_handler handler); 236 int __init acpi_table_parse_entries(char *id, unsigned long table_size, 237 int entry_id, 238 acpi_tbl_entry_handler handler, 239 unsigned int max_entries); 240 int __init acpi_table_parse_entries_array(char *id, unsigned long table_size, 241 struct acpi_subtable_proc *proc, int proc_num, 242 unsigned int max_entries); 243 int acpi_table_parse_madt(enum acpi_madt_type id, 244 acpi_tbl_entry_handler handler, 245 unsigned int max_entries); 246 int acpi_parse_mcfg (struct acpi_table_header *header); 247 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); 248 249 /* the following numa functions are architecture-dependent */ 250 void acpi_numa_slit_init (struct acpi_table_slit *slit); 251 252 #if defined(CONFIG_X86) || defined(CONFIG_IA64) || defined(CONFIG_LOONGARCH) 253 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); 254 #else 255 static inline void 256 acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { } 257 #endif 258 259 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); 260 261 #ifdef CONFIG_ARM64 262 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa); 263 void acpi_arch_dma_setup(struct device *dev, u64 *dma_addr, u64 *dma_size); 264 #else 265 static inline void 266 acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { } 267 static inline void 268 acpi_arch_dma_setup(struct device *dev, u64 *dma_addr, u64 *dma_size) { } 269 #endif 270 271 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma); 272 273 #ifndef PHYS_CPUID_INVALID 274 typedef u32 phys_cpuid_t; 275 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1) 276 #endif 277 278 static inline bool invalid_logical_cpuid(u32 cpuid) 279 { 280 return (int)cpuid < 0; 281 } 282 283 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id) 284 { 285 return phys_id == PHYS_CPUID_INVALID; 286 } 287 288 /* Validate the processor object's proc_id */ 289 bool acpi_duplicate_processor_id(int proc_id); 290 /* Processor _CTS control */ 291 struct acpi_processor_power; 292 293 #ifdef CONFIG_ACPI_PROCESSOR_CSTATE 294 bool acpi_processor_claim_cst_control(void); 295 int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, 296 struct acpi_processor_power *info); 297 #else 298 static inline bool acpi_processor_claim_cst_control(void) { return false; } 299 static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, 300 struct acpi_processor_power *info) 301 { 302 return -ENODEV; 303 } 304 #endif 305 306 #ifdef CONFIG_ACPI_HOTPLUG_CPU 307 /* Arch dependent functions for cpu hotplug support */ 308 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id, 309 int *pcpu); 310 int acpi_unmap_cpu(int cpu); 311 #endif /* CONFIG_ACPI_HOTPLUG_CPU */ 312 313 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 314 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr); 315 #endif 316 317 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); 318 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); 319 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base); 320 void acpi_irq_stats_init(void); 321 extern u32 acpi_irq_handled; 322 extern u32 acpi_irq_not_handled; 323 extern unsigned int acpi_sci_irq; 324 extern bool acpi_no_s5; 325 #define INVALID_ACPI_IRQ ((unsigned)-1) 326 static inline bool acpi_sci_irq_valid(void) 327 { 328 return acpi_sci_irq != INVALID_ACPI_IRQ; 329 } 330 331 extern int sbf_port; 332 extern unsigned long acpi_realmode_flags; 333 334 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); 335 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 336 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); 337 338 void acpi_set_irq_model(enum acpi_irq_model_id model, 339 struct fwnode_handle *fwnode); 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 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 391 u32 method_id, 392 const struct acpi_buffer *in, 393 struct acpi_buffer *out); 394 extern acpi_status wmi_query_block(const char *guid, u8 instance, 395 struct acpi_buffer *out); 396 extern acpi_status wmi_set_block(const char *guid, u8 instance, 397 const struct acpi_buffer *in); 398 extern acpi_status wmi_install_notify_handler(const char *guid, 399 wmi_notify_handler handler, void *data); 400 extern acpi_status wmi_remove_notify_handler(const char *guid); 401 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); 402 extern bool wmi_has_guid(const char *guid); 403 extern char *wmi_get_acpi_device_uid(const char *guid); 404 405 #endif /* CONFIG_ACPI_WMI */ 406 407 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 408 #define ACPI_VIDEO_DEVICE_POSTING 0x0002 409 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004 410 #define ACPI_VIDEO_BACKLIGHT 0x0008 411 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 412 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 413 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 414 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 415 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 416 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 417 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 418 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 419 420 extern char acpi_video_backlight_string[]; 421 extern long acpi_is_video_device(acpi_handle handle); 422 extern int acpi_blacklisted(void); 423 extern void acpi_osi_setup(char *str); 424 extern bool acpi_osi_is_win8(void); 425 426 #ifdef CONFIG_ACPI_NUMA 427 int acpi_map_pxm_to_node(int pxm); 428 int acpi_get_node(acpi_handle handle); 429 430 /** 431 * pxm_to_online_node - Map proximity ID to online node 432 * @pxm: ACPI proximity ID 433 * 434 * This is similar to pxm_to_node(), but always returns an online 435 * node. When the mapped node from a given proximity ID is offline, it 436 * looks up the node distance table and returns the nearest online node. 437 * 438 * ACPI device drivers, which are called after the NUMA initialization has 439 * completed in the kernel, can call this interface to obtain their device 440 * NUMA topology from ACPI tables. Such drivers do not have to deal with 441 * offline nodes. A node may be offline when SRAT memory entry does not exist, 442 * or NUMA is disabled, ex. "numa=off" on x86. 443 */ 444 static inline int pxm_to_online_node(int pxm) 445 { 446 int node = pxm_to_node(pxm); 447 448 return numa_map_to_online_node(node); 449 } 450 #else 451 static inline int pxm_to_online_node(int pxm) 452 { 453 return 0; 454 } 455 static inline int acpi_map_pxm_to_node(int pxm) 456 { 457 return 0; 458 } 459 static inline int acpi_get_node(acpi_handle handle) 460 { 461 return 0; 462 } 463 #endif 464 extern int acpi_paddr_to_node(u64 start_addr, u64 size); 465 466 extern int pnpacpi_disabled; 467 468 #define PXM_INVAL (-1) 469 470 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res); 471 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res); 472 bool acpi_dev_resource_address_space(struct acpi_resource *ares, 473 struct resource_win *win); 474 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, 475 struct resource_win *win); 476 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable); 477 unsigned int acpi_dev_get_irq_type(int triggering, int polarity); 478 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, 479 struct resource *res); 480 481 void acpi_dev_free_resource_list(struct list_head *list); 482 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, 483 int (*preproc)(struct acpi_resource *, void *), 484 void *preproc_data); 485 int acpi_dev_get_dma_resources(struct acpi_device *adev, 486 struct list_head *list); 487 int acpi_dev_filter_resource_type(struct acpi_resource *ares, 488 unsigned long types); 489 490 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares, 491 void *arg) 492 { 493 return acpi_dev_filter_resource_type(ares, (unsigned long)arg); 494 } 495 496 struct acpi_device *acpi_resource_consumer(struct resource *res); 497 498 int acpi_check_resource_conflict(const struct resource *res); 499 500 int acpi_check_region(resource_size_t start, resource_size_t n, 501 const char *name); 502 503 acpi_status acpi_release_memory(acpi_handle handle, struct resource *res, 504 u32 level); 505 506 int acpi_resources_are_enforced(void); 507 508 #ifdef CONFIG_HIBERNATION 509 void __init acpi_no_s4_hw_signature(void); 510 #endif 511 512 #ifdef CONFIG_PM_SLEEP 513 void __init acpi_old_suspend_ordering(void); 514 void __init acpi_nvs_nosave(void); 515 void __init acpi_nvs_nosave_s3(void); 516 void __init acpi_sleep_no_blacklist(void); 517 #endif /* CONFIG_PM_SLEEP */ 518 519 int acpi_register_wakeup_handler( 520 int wake_irq, bool (*wakeup)(void *context), void *context); 521 void acpi_unregister_wakeup_handler( 522 bool (*wakeup)(void *context), void *context); 523 524 struct acpi_osc_context { 525 char *uuid_str; /* UUID string */ 526 int rev; 527 struct acpi_buffer cap; /* list of DWORD capabilities */ 528 struct acpi_buffer ret; /* free by caller if success */ 529 }; 530 531 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); 532 533 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */ 534 #define OSC_QUERY_DWORD 0 /* DWORD 1 */ 535 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */ 536 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */ 537 538 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */ 539 #define OSC_QUERY_ENABLE 0x00000001 /* input */ 540 #define OSC_REQUEST_ERROR 0x00000002 /* return */ 541 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */ 542 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */ 543 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */ 544 545 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */ 546 #define OSC_SB_PAD_SUPPORT 0x00000001 547 #define OSC_SB_PPC_OST_SUPPORT 0x00000002 548 #define OSC_SB_PR3_SUPPORT 0x00000004 549 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008 550 #define OSC_SB_APEI_SUPPORT 0x00000010 551 #define OSC_SB_CPC_SUPPORT 0x00000020 552 #define OSC_SB_CPCV2_SUPPORT 0x00000040 553 #define OSC_SB_PCLPI_SUPPORT 0x00000080 554 #define OSC_SB_OSLPI_SUPPORT 0x00000100 555 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 556 #define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00002000 557 #define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000 558 #define OSC_SB_PRM_SUPPORT 0x00200000 559 560 extern bool osc_sb_apei_support_acked; 561 extern bool osc_pc_lpi_support_confirmed; 562 extern bool osc_sb_native_usb4_support_confirmed; 563 564 /* USB4 Capabilities */ 565 #define OSC_USB_USB3_TUNNELING 0x00000001 566 #define OSC_USB_DP_TUNNELING 0x00000002 567 #define OSC_USB_PCIE_TUNNELING 0x00000004 568 #define OSC_USB_XDOMAIN 0x00000008 569 570 extern u32 osc_sb_native_usb4_control; 571 572 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */ 573 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001 574 #define OSC_PCI_ASPM_SUPPORT 0x00000002 575 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004 576 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008 577 #define OSC_PCI_MSI_SUPPORT 0x00000010 578 #define OSC_PCI_EDR_SUPPORT 0x00000080 579 #define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100 580 581 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */ 582 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001 583 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002 584 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004 585 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008 586 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010 587 #define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020 588 #define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080 589 590 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002 591 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004 592 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006 593 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008 594 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A 595 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B 596 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C 597 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D 598 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E 599 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F 600 601 /* Enable _OST when all relevant hotplug operations are enabled */ 602 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ 603 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \ 604 defined(CONFIG_ACPI_CONTAINER) 605 #define ACPI_HOTPLUG_OST 606 #endif 607 608 /* _OST Source Event Code (OSPM Action) */ 609 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100 610 #define ACPI_OST_EC_OSPM_EJECT 0x103 611 #define ACPI_OST_EC_OSPM_INSERTION 0x200 612 613 /* _OST General Processing Status Code */ 614 #define ACPI_OST_SC_SUCCESS 0x0 615 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1 616 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2 617 618 /* _OST OS Shutdown Processing (0x100) Status Code */ 619 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80 620 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81 621 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82 622 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83 623 624 /* _OST Ejection Request (0x3, 0x103) Status Code */ 625 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80 626 #define ACPI_OST_SC_DEVICE_IN_USE 0x81 627 #define ACPI_OST_SC_DEVICE_BUSY 0x82 628 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83 629 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84 630 631 /* _OST Insertion Request (0x200) Status Code */ 632 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80 633 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 634 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 635 636 enum acpi_predicate { 637 all_versions, 638 less_than_or_equal, 639 equal, 640 greater_than_or_equal, 641 }; 642 643 /* Table must be terminted by a NULL entry */ 644 struct acpi_platform_list { 645 char oem_id[ACPI_OEM_ID_SIZE+1]; 646 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1]; 647 u32 oem_revision; 648 char *table; 649 enum acpi_predicate pred; 650 char *reason; 651 u32 data; 652 }; 653 int acpi_match_platform_list(const struct acpi_platform_list *plat); 654 655 extern void acpi_early_init(void); 656 extern void acpi_subsystem_init(void); 657 extern void arch_post_acpi_subsys_init(void); 658 659 extern int acpi_nvs_register(__u64 start, __u64 size); 660 661 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 662 void *data); 663 664 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, 665 const struct device *dev); 666 667 const void *acpi_device_get_match_data(const struct device *dev); 668 extern bool acpi_driver_match_device(struct device *dev, 669 const struct device_driver *drv); 670 int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *); 671 int acpi_device_modalias(struct device *, char *, int); 672 673 struct platform_device *acpi_create_platform_device(struct acpi_device *, 674 struct property_entry *); 675 #define ACPI_PTR(_ptr) (_ptr) 676 677 static inline void acpi_device_set_enumerated(struct acpi_device *adev) 678 { 679 adev->flags.visited = true; 680 } 681 682 static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 683 { 684 adev->flags.visited = false; 685 } 686 687 enum acpi_reconfig_event { 688 ACPI_RECONFIG_DEVICE_ADD = 0, 689 ACPI_RECONFIG_DEVICE_REMOVE, 690 }; 691 692 int acpi_reconfig_notifier_register(struct notifier_block *nb); 693 int acpi_reconfig_notifier_unregister(struct notifier_block *nb); 694 695 #ifdef CONFIG_ACPI_GTDT 696 int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count); 697 int acpi_gtdt_map_ppi(int type); 698 bool acpi_gtdt_c3stop(int type); 699 int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count); 700 #endif 701 702 #ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER 703 static inline void acpi_arch_set_root_pointer(u64 addr) 704 { 705 } 706 #endif 707 708 #ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER 709 static inline u64 acpi_arch_get_root_pointer(void) 710 { 711 return 0; 712 } 713 #endif 714 715 int acpi_get_local_address(acpi_handle handle, u32 *addr); 716 717 #else /* !CONFIG_ACPI */ 718 719 #define acpi_disabled 1 720 721 #define ACPI_COMPANION(dev) (NULL) 722 #define ACPI_COMPANION_SET(dev, adev) do { } while (0) 723 #define ACPI_HANDLE(dev) (NULL) 724 #define ACPI_HANDLE_FWNODE(fwnode) (NULL) 725 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0), 726 727 #include <acpi/acpi_numa.h> 728 729 struct fwnode_handle; 730 731 static inline bool acpi_dev_found(const char *hid) 732 { 733 return false; 734 } 735 736 static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv) 737 { 738 return false; 739 } 740 741 struct acpi_device; 742 743 static inline bool 744 acpi_dev_hid_uid_match(struct acpi_device *adev, const char *hid2, const char *uid2) 745 { 746 return false; 747 } 748 749 static inline struct acpi_device * 750 acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv) 751 { 752 return NULL; 753 } 754 755 static inline bool acpi_reduced_hardware(void) 756 { 757 return false; 758 } 759 760 static inline void acpi_dev_put(struct acpi_device *adev) {} 761 762 static inline bool is_acpi_node(const struct fwnode_handle *fwnode) 763 { 764 return false; 765 } 766 767 static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode) 768 { 769 return false; 770 } 771 772 static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode) 773 { 774 return NULL; 775 } 776 777 static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode) 778 { 779 return false; 780 } 781 782 static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode) 783 { 784 return NULL; 785 } 786 787 static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode, 788 const char *name) 789 { 790 return false; 791 } 792 793 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) 794 { 795 return NULL; 796 } 797 798 static inline bool has_acpi_companion(struct device *dev) 799 { 800 return false; 801 } 802 803 static inline void acpi_preset_companion(struct device *dev, 804 struct acpi_device *parent, u64 addr) 805 { 806 } 807 808 static inline const char *acpi_dev_name(struct acpi_device *adev) 809 { 810 return NULL; 811 } 812 813 static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev) 814 { 815 return NULL; 816 } 817 818 static inline void acpi_early_init(void) { } 819 static inline void acpi_subsystem_init(void) { } 820 821 static inline int early_acpi_boot_init(void) 822 { 823 return 0; 824 } 825 static inline int acpi_boot_init(void) 826 { 827 return 0; 828 } 829 830 static inline void acpi_boot_table_prepare(void) 831 { 832 } 833 834 static inline void acpi_boot_table_init(void) 835 { 836 } 837 838 static inline int acpi_mps_check(void) 839 { 840 return 0; 841 } 842 843 static inline int acpi_check_resource_conflict(struct resource *res) 844 { 845 return 0; 846 } 847 848 static inline int acpi_check_region(resource_size_t start, resource_size_t n, 849 const char *name) 850 { 851 return 0; 852 } 853 854 struct acpi_table_header; 855 static inline int acpi_table_parse(char *id, 856 int (*handler)(struct acpi_table_header *)) 857 { 858 return -ENODEV; 859 } 860 861 static inline int acpi_nvs_register(__u64 start, __u64 size) 862 { 863 return 0; 864 } 865 866 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 867 void *data) 868 { 869 return 0; 870 } 871 872 struct acpi_device_id; 873 874 static inline const struct acpi_device_id *acpi_match_device( 875 const struct acpi_device_id *ids, const struct device *dev) 876 { 877 return NULL; 878 } 879 880 static inline const void *acpi_device_get_match_data(const struct device *dev) 881 { 882 return NULL; 883 } 884 885 static inline bool acpi_driver_match_device(struct device *dev, 886 const struct device_driver *drv) 887 { 888 return false; 889 } 890 891 static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle, 892 const guid_t *guid, 893 u64 rev, u64 func, 894 union acpi_object *argv4) 895 { 896 return NULL; 897 } 898 899 static inline int acpi_device_uevent_modalias(struct device *dev, 900 struct kobj_uevent_env *env) 901 { 902 return -ENODEV; 903 } 904 905 static inline int acpi_device_modalias(struct device *dev, 906 char *buf, int size) 907 { 908 return -ENODEV; 909 } 910 911 static inline struct platform_device * 912 acpi_create_platform_device(struct acpi_device *adev, 913 struct property_entry *properties) 914 { 915 return NULL; 916 } 917 918 static inline bool acpi_dma_supported(const struct acpi_device *adev) 919 { 920 return false; 921 } 922 923 static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev) 924 { 925 return DEV_DMA_NOT_SUPPORTED; 926 } 927 928 static inline int acpi_dma_get_range(struct device *dev, u64 *dma_addr, 929 u64 *offset, u64 *size) 930 { 931 return -ENODEV; 932 } 933 934 static inline int acpi_dma_configure(struct device *dev, 935 enum dev_dma_attr attr) 936 { 937 return 0; 938 } 939 940 static inline int acpi_dma_configure_id(struct device *dev, 941 enum dev_dma_attr attr, 942 const u32 *input_id) 943 { 944 return 0; 945 } 946 947 #define ACPI_PTR(_ptr) (NULL) 948 949 static inline void acpi_device_set_enumerated(struct acpi_device *adev) 950 { 951 } 952 953 static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 954 { 955 } 956 957 static inline int acpi_reconfig_notifier_register(struct notifier_block *nb) 958 { 959 return -EINVAL; 960 } 961 962 static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb) 963 { 964 return -EINVAL; 965 } 966 967 static inline struct acpi_device *acpi_resource_consumer(struct resource *res) 968 { 969 return NULL; 970 } 971 972 static inline int acpi_get_local_address(acpi_handle handle, u32 *addr) 973 { 974 return -ENODEV; 975 } 976 977 #endif /* !CONFIG_ACPI */ 978 979 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 980 int acpi_ioapic_add(acpi_handle root); 981 #else 982 static inline int acpi_ioapic_add(acpi_handle root) { return 0; } 983 #endif 984 985 #ifdef CONFIG_ACPI 986 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, 987 u32 pm1a_ctrl, u32 pm1b_ctrl)); 988 989 acpi_status acpi_os_prepare_sleep(u8 sleep_state, 990 u32 pm1a_control, u32 pm1b_control); 991 992 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, 993 u32 val_a, u32 val_b)); 994 995 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, 996 u32 val_a, u32 val_b); 997 998 #ifndef CONFIG_IA64 999 void arch_reserve_mem_area(acpi_physical_address addr, size_t size); 1000 #else 1001 static inline void arch_reserve_mem_area(acpi_physical_address addr, 1002 size_t size) 1003 { 1004 } 1005 #endif /* CONFIG_X86 */ 1006 #else 1007 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) 1008 #endif 1009 1010 #if defined(CONFIG_ACPI) && defined(CONFIG_PM) 1011 int acpi_dev_suspend(struct device *dev, bool wakeup); 1012 int acpi_dev_resume(struct device *dev); 1013 int acpi_subsys_runtime_suspend(struct device *dev); 1014 int acpi_subsys_runtime_resume(struct device *dev); 1015 int acpi_dev_pm_attach(struct device *dev, bool power_on); 1016 bool acpi_storage_d3(struct device *dev); 1017 bool acpi_dev_state_d0(struct device *dev); 1018 #else 1019 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } 1020 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } 1021 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) 1022 { 1023 return 0; 1024 } 1025 static inline bool acpi_storage_d3(struct device *dev) 1026 { 1027 return false; 1028 } 1029 static inline bool acpi_dev_state_d0(struct device *dev) 1030 { 1031 return true; 1032 } 1033 #endif 1034 1035 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) 1036 int acpi_subsys_prepare(struct device *dev); 1037 void acpi_subsys_complete(struct device *dev); 1038 int acpi_subsys_suspend_late(struct device *dev); 1039 int acpi_subsys_suspend_noirq(struct device *dev); 1040 int acpi_subsys_suspend(struct device *dev); 1041 int acpi_subsys_freeze(struct device *dev); 1042 int acpi_subsys_poweroff(struct device *dev); 1043 void acpi_ec_mark_gpe_for_wake(void); 1044 void acpi_ec_set_gpe_wake_mask(u8 action); 1045 #else 1046 static inline int acpi_subsys_prepare(struct device *dev) { return 0; } 1047 static inline void acpi_subsys_complete(struct device *dev) {} 1048 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } 1049 static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; } 1050 static inline int acpi_subsys_suspend(struct device *dev) { return 0; } 1051 static inline int acpi_subsys_freeze(struct device *dev) { return 0; } 1052 static inline int acpi_subsys_poweroff(struct device *dev) { return 0; } 1053 static inline void acpi_ec_mark_gpe_for_wake(void) {} 1054 static inline void acpi_ec_set_gpe_wake_mask(u8 action) {} 1055 #endif 1056 1057 #ifdef CONFIG_ACPI 1058 __printf(3, 4) 1059 void acpi_handle_printk(const char *level, acpi_handle handle, 1060 const char *fmt, ...); 1061 void acpi_evaluation_failure_warn(acpi_handle handle, const char *name, 1062 acpi_status status); 1063 #else /* !CONFIG_ACPI */ 1064 static inline __printf(3, 4) void 1065 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} 1066 static inline void acpi_evaluation_failure_warn(acpi_handle handle, 1067 const char *name, 1068 acpi_status status) {} 1069 #endif /* !CONFIG_ACPI */ 1070 1071 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) 1072 __printf(3, 4) 1073 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); 1074 #endif 1075 1076 /* 1077 * acpi_handle_<level>: Print message with ACPI prefix and object path 1078 * 1079 * These interfaces acquire the global namespace mutex to obtain an object 1080 * path. In interrupt context, it shows the object path as <n/a>. 1081 */ 1082 #define acpi_handle_emerg(handle, fmt, ...) \ 1083 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) 1084 #define acpi_handle_alert(handle, fmt, ...) \ 1085 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) 1086 #define acpi_handle_crit(handle, fmt, ...) \ 1087 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) 1088 #define acpi_handle_err(handle, fmt, ...) \ 1089 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) 1090 #define acpi_handle_warn(handle, fmt, ...) \ 1091 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) 1092 #define acpi_handle_notice(handle, fmt, ...) \ 1093 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) 1094 #define acpi_handle_info(handle, fmt, ...) \ 1095 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) 1096 1097 #if defined(DEBUG) 1098 #define acpi_handle_debug(handle, fmt, ...) \ 1099 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) 1100 #else 1101 #if defined(CONFIG_DYNAMIC_DEBUG) 1102 #define acpi_handle_debug(handle, fmt, ...) \ 1103 _dynamic_func_call(fmt, __acpi_handle_debug, \ 1104 handle, pr_fmt(fmt), ##__VA_ARGS__) 1105 #else 1106 #define acpi_handle_debug(handle, fmt, ...) \ 1107 ({ \ 1108 if (0) \ 1109 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ 1110 0; \ 1111 }) 1112 #endif 1113 #endif 1114 1115 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) 1116 bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1117 struct acpi_resource_gpio **agpio); 1118 bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1119 struct acpi_resource_gpio **agpio); 1120 int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *name, int index); 1121 #else 1122 static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1123 struct acpi_resource_gpio **agpio) 1124 { 1125 return false; 1126 } 1127 static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1128 struct acpi_resource_gpio **agpio) 1129 { 1130 return false; 1131 } 1132 static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, 1133 const char *name, int index) 1134 { 1135 return -ENXIO; 1136 } 1137 #endif 1138 1139 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) 1140 { 1141 return acpi_dev_gpio_irq_get_by(adev, NULL, index); 1142 } 1143 1144 /* Device properties */ 1145 1146 #ifdef CONFIG_ACPI 1147 int acpi_dev_get_property(const struct acpi_device *adev, const char *name, 1148 acpi_object_type type, const union acpi_object **obj); 1149 int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1150 const char *name, size_t index, size_t num_args, 1151 struct fwnode_reference_args *args); 1152 1153 static inline int acpi_node_get_property_reference( 1154 const struct fwnode_handle *fwnode, 1155 const char *name, size_t index, 1156 struct fwnode_reference_args *args) 1157 { 1158 return __acpi_node_get_property_reference(fwnode, name, index, 1159 NR_FWNODE_REFERENCE_ARGS, args); 1160 } 1161 1162 static inline bool acpi_dev_has_props(const struct acpi_device *adev) 1163 { 1164 return !list_empty(&adev->data.properties); 1165 } 1166 1167 struct acpi_device_properties * 1168 acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid, 1169 const union acpi_object *properties); 1170 1171 int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname, 1172 void **valptr); 1173 1174 struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1175 struct fwnode_handle *child); 1176 struct fwnode_handle *acpi_node_get_parent(const struct fwnode_handle *fwnode); 1177 1178 struct acpi_probe_entry; 1179 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *, 1180 struct acpi_probe_entry *); 1181 1182 #define ACPI_TABLE_ID_LEN 5 1183 1184 /** 1185 * struct acpi_probe_entry - boot-time probing entry 1186 * @id: ACPI table name 1187 * @type: Optional subtable type to match 1188 * (if @id contains subtables) 1189 * @subtable_valid: Optional callback to check the validity of 1190 * the subtable 1191 * @probe_table: Callback to the driver being probed when table 1192 * match is successful 1193 * @probe_subtbl: Callback to the driver being probed when table and 1194 * subtable match (and optional callback is successful) 1195 * @driver_data: Sideband data provided back to the driver 1196 */ 1197 struct acpi_probe_entry { 1198 __u8 id[ACPI_TABLE_ID_LEN]; 1199 __u8 type; 1200 acpi_probe_entry_validate_subtbl subtable_valid; 1201 union { 1202 acpi_tbl_table_handler probe_table; 1203 acpi_tbl_entry_handler probe_subtbl; 1204 }; 1205 kernel_ulong_t driver_data; 1206 }; 1207 1208 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \ 1209 valid, data, fn) \ 1210 static const struct acpi_probe_entry __acpi_probe_##name \ 1211 __used __section("__" #table "_acpi_probe_table") = { \ 1212 .id = table_id, \ 1213 .type = subtable, \ 1214 .subtable_valid = valid, \ 1215 .probe_table = fn, \ 1216 .driver_data = data, \ 1217 } 1218 1219 #define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \ 1220 subtable, valid, data, fn) \ 1221 static const struct acpi_probe_entry __acpi_probe_##name \ 1222 __used __section("__" #table "_acpi_probe_table") = { \ 1223 .id = table_id, \ 1224 .type = subtable, \ 1225 .subtable_valid = valid, \ 1226 .probe_subtbl = fn, \ 1227 .driver_data = data, \ 1228 } 1229 1230 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table 1231 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end 1232 1233 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr); 1234 1235 #define acpi_probe_device_table(t) \ 1236 ({ \ 1237 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \ 1238 ACPI_PROBE_TABLE_END(t); \ 1239 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \ 1240 (&ACPI_PROBE_TABLE_END(t) - \ 1241 &ACPI_PROBE_TABLE(t))); \ 1242 }) 1243 #else 1244 static inline int acpi_dev_get_property(struct acpi_device *adev, 1245 const char *name, acpi_object_type type, 1246 const union acpi_object **obj) 1247 { 1248 return -ENXIO; 1249 } 1250 1251 static inline int 1252 __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1253 const char *name, size_t index, size_t num_args, 1254 struct fwnode_reference_args *args) 1255 { 1256 return -ENXIO; 1257 } 1258 1259 static inline int 1260 acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1261 const char *name, size_t index, 1262 struct fwnode_reference_args *args) 1263 { 1264 return -ENXIO; 1265 } 1266 1267 static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode, 1268 const char *propname, 1269 void **valptr) 1270 { 1271 return -ENXIO; 1272 } 1273 1274 static inline struct fwnode_handle * 1275 acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1276 struct fwnode_handle *child) 1277 { 1278 return NULL; 1279 } 1280 1281 static inline struct fwnode_handle * 1282 acpi_node_get_parent(const struct fwnode_handle *fwnode) 1283 { 1284 return NULL; 1285 } 1286 1287 static inline struct fwnode_handle * 1288 acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode, 1289 struct fwnode_handle *prev) 1290 { 1291 return ERR_PTR(-ENXIO); 1292 } 1293 1294 static inline int 1295 acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode, 1296 struct fwnode_handle **remote, 1297 struct fwnode_handle **port, 1298 struct fwnode_handle **endpoint) 1299 { 1300 return -ENXIO; 1301 } 1302 1303 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ 1304 static const void * __acpi_table_##name[] \ 1305 __attribute__((unused)) \ 1306 = { (void *) table_id, \ 1307 (void *) subtable, \ 1308 (void *) valid, \ 1309 (void *) fn, \ 1310 (void *) data } 1311 1312 #define acpi_probe_device_table(t) ({ int __r = 0; __r;}) 1313 #endif 1314 1315 #ifdef CONFIG_ACPI_TABLE_UPGRADE 1316 void acpi_table_upgrade(void); 1317 #else 1318 static inline void acpi_table_upgrade(void) { } 1319 #endif 1320 1321 #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG) 1322 extern bool acpi_has_watchdog(void); 1323 #else 1324 static inline bool acpi_has_watchdog(void) { return false; } 1325 #endif 1326 1327 #ifdef CONFIG_ACPI_SPCR_TABLE 1328 extern bool qdf2400_e44_present; 1329 int acpi_parse_spcr(bool enable_earlycon, bool enable_console); 1330 #else 1331 static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console) 1332 { 1333 return 0; 1334 } 1335 #endif 1336 1337 #if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI) 1338 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res); 1339 #else 1340 static inline 1341 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res) 1342 { 1343 return -EINVAL; 1344 } 1345 #endif 1346 1347 #ifdef CONFIG_ACPI_LPIT 1348 int lpit_read_residency_count_address(u64 *address); 1349 #else 1350 static inline int lpit_read_residency_count_address(u64 *address) 1351 { 1352 return -EINVAL; 1353 } 1354 #endif 1355 1356 #ifdef CONFIG_ACPI_PPTT 1357 int acpi_pptt_cpu_is_thread(unsigned int cpu); 1358 int find_acpi_cpu_topology(unsigned int cpu, int level); 1359 int find_acpi_cpu_topology_cluster(unsigned int cpu); 1360 int find_acpi_cpu_topology_package(unsigned int cpu); 1361 int find_acpi_cpu_topology_hetero_id(unsigned int cpu); 1362 int find_acpi_cpu_cache_topology(unsigned int cpu, int level); 1363 #else 1364 static inline int acpi_pptt_cpu_is_thread(unsigned int cpu) 1365 { 1366 return -EINVAL; 1367 } 1368 static inline int find_acpi_cpu_topology(unsigned int cpu, int level) 1369 { 1370 return -EINVAL; 1371 } 1372 static inline int find_acpi_cpu_topology_cluster(unsigned int cpu) 1373 { 1374 return -EINVAL; 1375 } 1376 static inline int find_acpi_cpu_topology_package(unsigned int cpu) 1377 { 1378 return -EINVAL; 1379 } 1380 static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu) 1381 { 1382 return -EINVAL; 1383 } 1384 static inline int find_acpi_cpu_cache_topology(unsigned int cpu, int level) 1385 { 1386 return -EINVAL; 1387 } 1388 #endif 1389 1390 #ifdef CONFIG_ACPI 1391 extern void acpi_device_notify(struct device *dev); 1392 extern void acpi_device_notify_remove(struct device *dev); 1393 #else 1394 static inline void acpi_device_notify(struct device *dev) { } 1395 static inline void acpi_device_notify_remove(struct device *dev) { } 1396 #endif 1397 1398 #endif /*_LINUX_ACPI_H*/ 1399