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) 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 #else 264 static inline void 265 acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { } 266 #endif 267 268 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma); 269 270 #ifndef PHYS_CPUID_INVALID 271 typedef u32 phys_cpuid_t; 272 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1) 273 #endif 274 275 static inline bool invalid_logical_cpuid(u32 cpuid) 276 { 277 return (int)cpuid < 0; 278 } 279 280 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id) 281 { 282 return phys_id == PHYS_CPUID_INVALID; 283 } 284 285 /* Validate the processor object's proc_id */ 286 bool acpi_duplicate_processor_id(int proc_id); 287 /* Processor _CTS control */ 288 struct acpi_processor_power; 289 290 #ifdef CONFIG_ACPI_PROCESSOR_CSTATE 291 bool acpi_processor_claim_cst_control(void); 292 int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, 293 struct acpi_processor_power *info); 294 #else 295 static inline bool acpi_processor_claim_cst_control(void) { return false; } 296 static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, 297 struct acpi_processor_power *info) 298 { 299 return -ENODEV; 300 } 301 #endif 302 303 #ifdef CONFIG_ACPI_HOTPLUG_CPU 304 /* Arch dependent functions for cpu hotplug support */ 305 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id, 306 int *pcpu); 307 int acpi_unmap_cpu(int cpu); 308 #endif /* CONFIG_ACPI_HOTPLUG_CPU */ 309 310 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 311 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr); 312 #endif 313 314 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); 315 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); 316 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base); 317 void acpi_irq_stats_init(void); 318 extern u32 acpi_irq_handled; 319 extern u32 acpi_irq_not_handled; 320 extern unsigned int acpi_sci_irq; 321 extern bool acpi_no_s5; 322 #define INVALID_ACPI_IRQ ((unsigned)-1) 323 static inline bool acpi_sci_irq_valid(void) 324 { 325 return acpi_sci_irq != INVALID_ACPI_IRQ; 326 } 327 328 extern int sbf_port; 329 extern unsigned long acpi_realmode_flags; 330 331 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); 332 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 333 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); 334 335 void acpi_set_irq_model(enum acpi_irq_model_id model, 336 struct fwnode_handle *fwnode); 337 338 struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags, 339 unsigned int size, 340 struct fwnode_handle *fwnode, 341 const struct irq_domain_ops *ops, 342 void *host_data); 343 344 #ifdef CONFIG_X86_IO_APIC 345 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); 346 #else 347 static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity) 348 { 349 return -1; 350 } 351 #endif 352 /* 353 * This function undoes the effect of one call to acpi_register_gsi(). 354 * If this matches the last registration, any IRQ resources for gsi 355 * are freed. 356 */ 357 void acpi_unregister_gsi (u32 gsi); 358 359 struct pci_dev; 360 361 int acpi_pci_irq_enable (struct pci_dev *dev); 362 void acpi_penalize_isa_irq(int irq, int active); 363 bool acpi_isa_irq_available(int irq); 364 #ifdef CONFIG_PCI 365 void acpi_penalize_sci_irq(int irq, int trigger, int polarity); 366 #else 367 static inline void acpi_penalize_sci_irq(int irq, int trigger, 368 int polarity) 369 { 370 } 371 #endif 372 void acpi_pci_irq_disable (struct pci_dev *dev); 373 374 extern int ec_read(u8 addr, u8 *val); 375 extern int ec_write(u8 addr, u8 val); 376 extern int ec_transaction(u8 command, 377 const u8 *wdata, unsigned wdata_len, 378 u8 *rdata, unsigned rdata_len); 379 extern acpi_handle ec_get_handle(void); 380 381 extern bool acpi_is_pnp_device(struct acpi_device *); 382 383 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 384 385 typedef void (*wmi_notify_handler) (u32 value, void *context); 386 387 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 388 u32 method_id, 389 const struct acpi_buffer *in, 390 struct acpi_buffer *out); 391 extern acpi_status wmi_query_block(const char *guid, u8 instance, 392 struct acpi_buffer *out); 393 extern acpi_status wmi_set_block(const char *guid, u8 instance, 394 const struct acpi_buffer *in); 395 extern acpi_status wmi_install_notify_handler(const char *guid, 396 wmi_notify_handler handler, void *data); 397 extern acpi_status wmi_remove_notify_handler(const char *guid); 398 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); 399 extern bool wmi_has_guid(const char *guid); 400 extern char *wmi_get_acpi_device_uid(const char *guid); 401 402 #endif /* CONFIG_ACPI_WMI */ 403 404 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 405 #define ACPI_VIDEO_DEVICE_POSTING 0x0002 406 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004 407 #define ACPI_VIDEO_BACKLIGHT 0x0008 408 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 409 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 410 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 411 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 412 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 413 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 414 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 415 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 416 417 extern char acpi_video_backlight_string[]; 418 extern long acpi_is_video_device(acpi_handle handle); 419 extern int acpi_blacklisted(void); 420 extern void acpi_osi_setup(char *str); 421 extern bool acpi_osi_is_win8(void); 422 423 #ifdef CONFIG_ACPI_NUMA 424 int acpi_map_pxm_to_node(int pxm); 425 int acpi_get_node(acpi_handle handle); 426 427 /** 428 * pxm_to_online_node - Map proximity ID to online node 429 * @pxm: ACPI proximity ID 430 * 431 * This is similar to pxm_to_node(), but always returns an online 432 * node. When the mapped node from a given proximity ID is offline, it 433 * looks up the node distance table and returns the nearest online node. 434 * 435 * ACPI device drivers, which are called after the NUMA initialization has 436 * completed in the kernel, can call this interface to obtain their device 437 * NUMA topology from ACPI tables. Such drivers do not have to deal with 438 * offline nodes. A node may be offline when SRAT memory entry does not exist, 439 * or NUMA is disabled, ex. "numa=off" on x86. 440 */ 441 static inline int pxm_to_online_node(int pxm) 442 { 443 int node = pxm_to_node(pxm); 444 445 return numa_map_to_online_node(node); 446 } 447 #else 448 static inline int pxm_to_online_node(int pxm) 449 { 450 return 0; 451 } 452 static inline int acpi_map_pxm_to_node(int pxm) 453 { 454 return 0; 455 } 456 static inline int acpi_get_node(acpi_handle handle) 457 { 458 return 0; 459 } 460 #endif 461 extern int acpi_paddr_to_node(u64 start_addr, u64 size); 462 463 extern int pnpacpi_disabled; 464 465 #define PXM_INVAL (-1) 466 467 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res); 468 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res); 469 bool acpi_dev_resource_address_space(struct acpi_resource *ares, 470 struct resource_win *win); 471 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, 472 struct resource_win *win); 473 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable); 474 unsigned int acpi_dev_get_irq_type(int triggering, int polarity); 475 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, 476 struct resource *res); 477 478 void acpi_dev_free_resource_list(struct list_head *list); 479 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, 480 int (*preproc)(struct acpi_resource *, void *), 481 void *preproc_data); 482 int acpi_dev_get_dma_resources(struct acpi_device *adev, 483 struct list_head *list); 484 int acpi_dev_filter_resource_type(struct acpi_resource *ares, 485 unsigned long types); 486 487 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares, 488 void *arg) 489 { 490 return acpi_dev_filter_resource_type(ares, (unsigned long)arg); 491 } 492 493 struct acpi_device *acpi_resource_consumer(struct resource *res); 494 495 int acpi_check_resource_conflict(const struct resource *res); 496 497 int acpi_check_region(resource_size_t start, resource_size_t n, 498 const char *name); 499 500 acpi_status acpi_release_memory(acpi_handle handle, struct resource *res, 501 u32 level); 502 503 int acpi_resources_are_enforced(void); 504 505 #ifdef CONFIG_HIBERNATION 506 void __init acpi_no_s4_hw_signature(void); 507 #endif 508 509 #ifdef CONFIG_PM_SLEEP 510 void __init acpi_old_suspend_ordering(void); 511 void __init acpi_nvs_nosave(void); 512 void __init acpi_nvs_nosave_s3(void); 513 void __init acpi_sleep_no_blacklist(void); 514 #endif /* CONFIG_PM_SLEEP */ 515 516 int acpi_register_wakeup_handler( 517 int wake_irq, bool (*wakeup)(void *context), void *context); 518 void acpi_unregister_wakeup_handler( 519 bool (*wakeup)(void *context), void *context); 520 521 struct acpi_osc_context { 522 char *uuid_str; /* UUID string */ 523 int rev; 524 struct acpi_buffer cap; /* list of DWORD capabilities */ 525 struct acpi_buffer ret; /* free by caller if success */ 526 }; 527 528 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); 529 530 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */ 531 #define OSC_QUERY_DWORD 0 /* DWORD 1 */ 532 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */ 533 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */ 534 535 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */ 536 #define OSC_QUERY_ENABLE 0x00000001 /* input */ 537 #define OSC_REQUEST_ERROR 0x00000002 /* return */ 538 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */ 539 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */ 540 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */ 541 542 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */ 543 #define OSC_SB_PAD_SUPPORT 0x00000001 544 #define OSC_SB_PPC_OST_SUPPORT 0x00000002 545 #define OSC_SB_PR3_SUPPORT 0x00000004 546 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008 547 #define OSC_SB_APEI_SUPPORT 0x00000010 548 #define OSC_SB_CPC_SUPPORT 0x00000020 549 #define OSC_SB_CPCV2_SUPPORT 0x00000040 550 #define OSC_SB_PCLPI_SUPPORT 0x00000080 551 #define OSC_SB_OSLPI_SUPPORT 0x00000100 552 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 553 #define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00002000 554 #define OSC_SB_PRM_SUPPORT 0x00020000 555 #define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000 556 557 extern bool osc_sb_apei_support_acked; 558 extern bool osc_pc_lpi_support_confirmed; 559 extern bool osc_sb_native_usb4_support_confirmed; 560 561 /* USB4 Capabilities */ 562 #define OSC_USB_USB3_TUNNELING 0x00000001 563 #define OSC_USB_DP_TUNNELING 0x00000002 564 #define OSC_USB_PCIE_TUNNELING 0x00000004 565 #define OSC_USB_XDOMAIN 0x00000008 566 567 extern u32 osc_sb_native_usb4_control; 568 569 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */ 570 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001 571 #define OSC_PCI_ASPM_SUPPORT 0x00000002 572 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004 573 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008 574 #define OSC_PCI_MSI_SUPPORT 0x00000010 575 #define OSC_PCI_EDR_SUPPORT 0x00000080 576 #define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100 577 #define OSC_PCI_SUPPORT_MASKS 0x0000019f 578 579 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */ 580 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001 581 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002 582 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004 583 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008 584 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010 585 #define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020 586 #define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080 587 #define OSC_PCI_CONTROL_MASKS 0x000000bf 588 589 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002 590 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004 591 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006 592 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008 593 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A 594 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B 595 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C 596 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D 597 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E 598 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F 599 600 /* Enable _OST when all relevant hotplug operations are enabled */ 601 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ 602 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \ 603 defined(CONFIG_ACPI_CONTAINER) 604 #define ACPI_HOTPLUG_OST 605 #endif 606 607 /* _OST Source Event Code (OSPM Action) */ 608 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100 609 #define ACPI_OST_EC_OSPM_EJECT 0x103 610 #define ACPI_OST_EC_OSPM_INSERTION 0x200 611 612 /* _OST General Processing Status Code */ 613 #define ACPI_OST_SC_SUCCESS 0x0 614 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1 615 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2 616 617 /* _OST OS Shutdown Processing (0x100) Status Code */ 618 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80 619 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81 620 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82 621 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83 622 623 /* _OST Ejection Request (0x3, 0x103) Status Code */ 624 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80 625 #define ACPI_OST_SC_DEVICE_IN_USE 0x81 626 #define ACPI_OST_SC_DEVICE_BUSY 0x82 627 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83 628 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84 629 630 /* _OST Insertion Request (0x200) Status Code */ 631 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80 632 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 633 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 634 635 enum acpi_predicate { 636 all_versions, 637 less_than_or_equal, 638 equal, 639 greater_than_or_equal, 640 }; 641 642 /* Table must be terminted by a NULL entry */ 643 struct acpi_platform_list { 644 char oem_id[ACPI_OEM_ID_SIZE+1]; 645 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1]; 646 u32 oem_revision; 647 char *table; 648 enum acpi_predicate pred; 649 char *reason; 650 u32 data; 651 }; 652 int acpi_match_platform_list(const struct acpi_platform_list *plat); 653 654 extern void acpi_early_init(void); 655 extern void acpi_subsystem_init(void); 656 extern void arch_post_acpi_subsys_init(void); 657 658 extern int acpi_nvs_register(__u64 start, __u64 size); 659 660 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 661 void *data); 662 663 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, 664 const struct device *dev); 665 666 const void *acpi_device_get_match_data(const struct device *dev); 667 extern bool acpi_driver_match_device(struct device *dev, 668 const struct device_driver *drv); 669 int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *); 670 int acpi_device_modalias(struct device *, char *, int); 671 672 struct platform_device *acpi_create_platform_device(struct acpi_device *, 673 struct property_entry *); 674 #define ACPI_PTR(_ptr) (_ptr) 675 676 static inline void acpi_device_set_enumerated(struct acpi_device *adev) 677 { 678 adev->flags.visited = true; 679 } 680 681 static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 682 { 683 adev->flags.visited = false; 684 } 685 686 enum acpi_reconfig_event { 687 ACPI_RECONFIG_DEVICE_ADD = 0, 688 ACPI_RECONFIG_DEVICE_REMOVE, 689 }; 690 691 int acpi_reconfig_notifier_register(struct notifier_block *nb); 692 int acpi_reconfig_notifier_unregister(struct notifier_block *nb); 693 694 #ifdef CONFIG_ACPI_GTDT 695 int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count); 696 int acpi_gtdt_map_ppi(int type); 697 bool acpi_gtdt_c3stop(int type); 698 int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count); 699 #endif 700 701 #ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER 702 static inline void acpi_arch_set_root_pointer(u64 addr) 703 { 704 } 705 #endif 706 707 #ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER 708 static inline u64 acpi_arch_get_root_pointer(void) 709 { 710 return 0; 711 } 712 #endif 713 714 int acpi_get_local_address(acpi_handle handle, u32 *addr); 715 716 #else /* !CONFIG_ACPI */ 717 718 #define acpi_disabled 1 719 720 #define ACPI_COMPANION(dev) (NULL) 721 #define ACPI_COMPANION_SET(dev, adev) do { } while (0) 722 #define ACPI_HANDLE(dev) (NULL) 723 #define ACPI_HANDLE_FWNODE(fwnode) (NULL) 724 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0), 725 726 #include <acpi/acpi_numa.h> 727 728 struct fwnode_handle; 729 730 static inline bool acpi_dev_found(const char *hid) 731 { 732 return false; 733 } 734 735 static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv) 736 { 737 return false; 738 } 739 740 struct acpi_device; 741 742 static inline bool 743 acpi_dev_hid_uid_match(struct acpi_device *adev, const char *hid2, const char *uid2) 744 { 745 return false; 746 } 747 748 static inline struct acpi_device * 749 acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv) 750 { 751 return NULL; 752 } 753 754 static inline bool acpi_reduced_hardware(void) 755 { 756 return false; 757 } 758 759 static inline void acpi_dev_put(struct acpi_device *adev) {} 760 761 static inline bool is_acpi_node(const struct fwnode_handle *fwnode) 762 { 763 return false; 764 } 765 766 static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode) 767 { 768 return false; 769 } 770 771 static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode) 772 { 773 return NULL; 774 } 775 776 static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode) 777 { 778 return false; 779 } 780 781 static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode) 782 { 783 return NULL; 784 } 785 786 static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode, 787 const char *name) 788 { 789 return false; 790 } 791 792 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) 793 { 794 return NULL; 795 } 796 797 static inline bool has_acpi_companion(struct device *dev) 798 { 799 return false; 800 } 801 802 static inline void acpi_preset_companion(struct device *dev, 803 struct acpi_device *parent, u64 addr) 804 { 805 } 806 807 static inline const char *acpi_dev_name(struct acpi_device *adev) 808 { 809 return NULL; 810 } 811 812 static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev) 813 { 814 return NULL; 815 } 816 817 static inline void acpi_early_init(void) { } 818 static inline void acpi_subsystem_init(void) { } 819 820 static inline int early_acpi_boot_init(void) 821 { 822 return 0; 823 } 824 static inline int acpi_boot_init(void) 825 { 826 return 0; 827 } 828 829 static inline void acpi_boot_table_prepare(void) 830 { 831 } 832 833 static inline void acpi_boot_table_init(void) 834 { 835 } 836 837 static inline int acpi_mps_check(void) 838 { 839 return 0; 840 } 841 842 static inline int acpi_check_resource_conflict(struct resource *res) 843 { 844 return 0; 845 } 846 847 static inline int acpi_check_region(resource_size_t start, resource_size_t n, 848 const char *name) 849 { 850 return 0; 851 } 852 853 struct acpi_table_header; 854 static inline int acpi_table_parse(char *id, 855 int (*handler)(struct acpi_table_header *)) 856 { 857 return -ENODEV; 858 } 859 860 static inline int acpi_nvs_register(__u64 start, __u64 size) 861 { 862 return 0; 863 } 864 865 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 866 void *data) 867 { 868 return 0; 869 } 870 871 struct acpi_device_id; 872 873 static inline const struct acpi_device_id *acpi_match_device( 874 const struct acpi_device_id *ids, const struct device *dev) 875 { 876 return NULL; 877 } 878 879 static inline const void *acpi_device_get_match_data(const struct device *dev) 880 { 881 return NULL; 882 } 883 884 static inline bool acpi_driver_match_device(struct device *dev, 885 const struct device_driver *drv) 886 { 887 return false; 888 } 889 890 static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle, 891 const guid_t *guid, 892 u64 rev, u64 func, 893 union acpi_object *argv4) 894 { 895 return NULL; 896 } 897 898 static inline int acpi_device_uevent_modalias(struct device *dev, 899 struct kobj_uevent_env *env) 900 { 901 return -ENODEV; 902 } 903 904 static inline int acpi_device_modalias(struct device *dev, 905 char *buf, int size) 906 { 907 return -ENODEV; 908 } 909 910 static inline struct platform_device * 911 acpi_create_platform_device(struct acpi_device *adev, 912 struct property_entry *properties) 913 { 914 return NULL; 915 } 916 917 static inline bool acpi_dma_supported(const struct acpi_device *adev) 918 { 919 return false; 920 } 921 922 static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev) 923 { 924 return DEV_DMA_NOT_SUPPORTED; 925 } 926 927 static inline int acpi_dma_get_range(struct device *dev, u64 *dma_addr, 928 u64 *offset, u64 *size) 929 { 930 return -ENODEV; 931 } 932 933 static inline int acpi_dma_configure(struct device *dev, 934 enum dev_dma_attr attr) 935 { 936 return 0; 937 } 938 939 static inline int acpi_dma_configure_id(struct device *dev, 940 enum dev_dma_attr attr, 941 const u32 *input_id) 942 { 943 return 0; 944 } 945 946 #define ACPI_PTR(_ptr) (NULL) 947 948 static inline void acpi_device_set_enumerated(struct acpi_device *adev) 949 { 950 } 951 952 static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 953 { 954 } 955 956 static inline int acpi_reconfig_notifier_register(struct notifier_block *nb) 957 { 958 return -EINVAL; 959 } 960 961 static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb) 962 { 963 return -EINVAL; 964 } 965 966 static inline struct acpi_device *acpi_resource_consumer(struct resource *res) 967 { 968 return NULL; 969 } 970 971 static inline int acpi_get_local_address(acpi_handle handle, u32 *addr) 972 { 973 return -ENODEV; 974 } 975 976 #endif /* !CONFIG_ACPI */ 977 978 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 979 int acpi_ioapic_add(acpi_handle root); 980 #else 981 static inline int acpi_ioapic_add(acpi_handle root) { return 0; } 982 #endif 983 984 #ifdef CONFIG_ACPI 985 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, 986 u32 pm1a_ctrl, u32 pm1b_ctrl)); 987 988 acpi_status acpi_os_prepare_sleep(u8 sleep_state, 989 u32 pm1a_control, u32 pm1b_control); 990 991 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, 992 u32 val_a, u32 val_b)); 993 994 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, 995 u32 val_a, u32 val_b); 996 997 #ifndef CONFIG_IA64 998 void arch_reserve_mem_area(acpi_physical_address addr, size_t size); 999 #else 1000 static inline void arch_reserve_mem_area(acpi_physical_address addr, 1001 size_t size) 1002 { 1003 } 1004 #endif /* CONFIG_X86 */ 1005 #else 1006 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) 1007 #endif 1008 1009 #if defined(CONFIG_ACPI) && defined(CONFIG_PM) 1010 int acpi_dev_suspend(struct device *dev, bool wakeup); 1011 int acpi_dev_resume(struct device *dev); 1012 int acpi_subsys_runtime_suspend(struct device *dev); 1013 int acpi_subsys_runtime_resume(struct device *dev); 1014 int acpi_dev_pm_attach(struct device *dev, bool power_on); 1015 bool acpi_storage_d3(struct device *dev); 1016 #else 1017 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } 1018 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } 1019 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) 1020 { 1021 return 0; 1022 } 1023 static inline bool acpi_storage_d3(struct device *dev) 1024 { 1025 return false; 1026 } 1027 #endif 1028 1029 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) 1030 int acpi_subsys_prepare(struct device *dev); 1031 void acpi_subsys_complete(struct device *dev); 1032 int acpi_subsys_suspend_late(struct device *dev); 1033 int acpi_subsys_suspend_noirq(struct device *dev); 1034 int acpi_subsys_suspend(struct device *dev); 1035 int acpi_subsys_freeze(struct device *dev); 1036 int acpi_subsys_poweroff(struct device *dev); 1037 void acpi_ec_mark_gpe_for_wake(void); 1038 void acpi_ec_set_gpe_wake_mask(u8 action); 1039 #else 1040 static inline int acpi_subsys_prepare(struct device *dev) { return 0; } 1041 static inline void acpi_subsys_complete(struct device *dev) {} 1042 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } 1043 static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; } 1044 static inline int acpi_subsys_suspend(struct device *dev) { return 0; } 1045 static inline int acpi_subsys_freeze(struct device *dev) { return 0; } 1046 static inline int acpi_subsys_poweroff(struct device *dev) { return 0; } 1047 static inline void acpi_ec_mark_gpe_for_wake(void) {} 1048 static inline void acpi_ec_set_gpe_wake_mask(u8 action) {} 1049 #endif 1050 1051 #ifdef CONFIG_ACPI 1052 __printf(3, 4) 1053 void acpi_handle_printk(const char *level, acpi_handle handle, 1054 const char *fmt, ...); 1055 void acpi_evaluation_failure_warn(acpi_handle handle, const char *name, 1056 acpi_status status); 1057 #else /* !CONFIG_ACPI */ 1058 static inline __printf(3, 4) void 1059 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} 1060 static inline void acpi_evaluation_failure_warn(acpi_handle handle, 1061 const char *name, 1062 acpi_status status) {} 1063 #endif /* !CONFIG_ACPI */ 1064 1065 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) 1066 __printf(3, 4) 1067 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); 1068 #endif 1069 1070 /* 1071 * acpi_handle_<level>: Print message with ACPI prefix and object path 1072 * 1073 * These interfaces acquire the global namespace mutex to obtain an object 1074 * path. In interrupt context, it shows the object path as <n/a>. 1075 */ 1076 #define acpi_handle_emerg(handle, fmt, ...) \ 1077 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) 1078 #define acpi_handle_alert(handle, fmt, ...) \ 1079 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) 1080 #define acpi_handle_crit(handle, fmt, ...) \ 1081 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) 1082 #define acpi_handle_err(handle, fmt, ...) \ 1083 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) 1084 #define acpi_handle_warn(handle, fmt, ...) \ 1085 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) 1086 #define acpi_handle_notice(handle, fmt, ...) \ 1087 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) 1088 #define acpi_handle_info(handle, fmt, ...) \ 1089 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) 1090 1091 #if defined(DEBUG) 1092 #define acpi_handle_debug(handle, fmt, ...) \ 1093 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) 1094 #else 1095 #if defined(CONFIG_DYNAMIC_DEBUG) 1096 #define acpi_handle_debug(handle, fmt, ...) \ 1097 _dynamic_func_call(fmt, __acpi_handle_debug, \ 1098 handle, pr_fmt(fmt), ##__VA_ARGS__) 1099 #else 1100 #define acpi_handle_debug(handle, fmt, ...) \ 1101 ({ \ 1102 if (0) \ 1103 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ 1104 0; \ 1105 }) 1106 #endif 1107 #endif 1108 1109 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) 1110 bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1111 struct acpi_resource_gpio **agpio); 1112 bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1113 struct acpi_resource_gpio **agpio); 1114 int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *name, int index); 1115 #else 1116 static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1117 struct acpi_resource_gpio **agpio) 1118 { 1119 return false; 1120 } 1121 static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares, 1122 struct acpi_resource_gpio **agpio) 1123 { 1124 return false; 1125 } 1126 static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, 1127 const char *name, int index) 1128 { 1129 return -ENXIO; 1130 } 1131 #endif 1132 1133 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) 1134 { 1135 return acpi_dev_gpio_irq_get_by(adev, NULL, index); 1136 } 1137 1138 /* Device properties */ 1139 1140 #ifdef CONFIG_ACPI 1141 int acpi_dev_get_property(const struct acpi_device *adev, const char *name, 1142 acpi_object_type type, const union acpi_object **obj); 1143 int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1144 const char *name, size_t index, size_t num_args, 1145 struct fwnode_reference_args *args); 1146 1147 static inline int acpi_node_get_property_reference( 1148 const struct fwnode_handle *fwnode, 1149 const char *name, size_t index, 1150 struct fwnode_reference_args *args) 1151 { 1152 return __acpi_node_get_property_reference(fwnode, name, index, 1153 NR_FWNODE_REFERENCE_ARGS, args); 1154 } 1155 1156 static inline bool acpi_dev_has_props(const struct acpi_device *adev) 1157 { 1158 return !list_empty(&adev->data.properties); 1159 } 1160 1161 struct acpi_device_properties * 1162 acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid, 1163 const union acpi_object *properties); 1164 1165 int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname, 1166 void **valptr); 1167 1168 struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1169 struct fwnode_handle *child); 1170 struct fwnode_handle *acpi_node_get_parent(const struct fwnode_handle *fwnode); 1171 1172 struct acpi_probe_entry; 1173 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *, 1174 struct acpi_probe_entry *); 1175 1176 #define ACPI_TABLE_ID_LEN 5 1177 1178 /** 1179 * struct acpi_probe_entry - boot-time probing entry 1180 * @id: ACPI table name 1181 * @type: Optional subtable type to match 1182 * (if @id contains subtables) 1183 * @subtable_valid: Optional callback to check the validity of 1184 * the subtable 1185 * @probe_table: Callback to the driver being probed when table 1186 * match is successful 1187 * @probe_subtbl: Callback to the driver being probed when table and 1188 * subtable match (and optional callback is successful) 1189 * @driver_data: Sideband data provided back to the driver 1190 */ 1191 struct acpi_probe_entry { 1192 __u8 id[ACPI_TABLE_ID_LEN]; 1193 __u8 type; 1194 acpi_probe_entry_validate_subtbl subtable_valid; 1195 union { 1196 acpi_tbl_table_handler probe_table; 1197 acpi_tbl_entry_handler probe_subtbl; 1198 }; 1199 kernel_ulong_t driver_data; 1200 }; 1201 1202 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \ 1203 valid, data, fn) \ 1204 static const struct acpi_probe_entry __acpi_probe_##name \ 1205 __used __section("__" #table "_acpi_probe_table") = { \ 1206 .id = table_id, \ 1207 .type = subtable, \ 1208 .subtable_valid = valid, \ 1209 .probe_table = fn, \ 1210 .driver_data = data, \ 1211 } 1212 1213 #define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \ 1214 subtable, valid, data, fn) \ 1215 static const struct acpi_probe_entry __acpi_probe_##name \ 1216 __used __section("__" #table "_acpi_probe_table") = { \ 1217 .id = table_id, \ 1218 .type = subtable, \ 1219 .subtable_valid = valid, \ 1220 .probe_subtbl = fn, \ 1221 .driver_data = data, \ 1222 } 1223 1224 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table 1225 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end 1226 1227 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr); 1228 1229 #define acpi_probe_device_table(t) \ 1230 ({ \ 1231 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \ 1232 ACPI_PROBE_TABLE_END(t); \ 1233 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \ 1234 (&ACPI_PROBE_TABLE_END(t) - \ 1235 &ACPI_PROBE_TABLE(t))); \ 1236 }) 1237 #else 1238 static inline int acpi_dev_get_property(struct acpi_device *adev, 1239 const char *name, acpi_object_type type, 1240 const union acpi_object **obj) 1241 { 1242 return -ENXIO; 1243 } 1244 1245 static inline int 1246 __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1247 const char *name, size_t index, size_t num_args, 1248 struct fwnode_reference_args *args) 1249 { 1250 return -ENXIO; 1251 } 1252 1253 static inline int 1254 acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1255 const char *name, size_t index, 1256 struct fwnode_reference_args *args) 1257 { 1258 return -ENXIO; 1259 } 1260 1261 static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode, 1262 const char *propname, 1263 void **valptr) 1264 { 1265 return -ENXIO; 1266 } 1267 1268 static inline struct fwnode_handle * 1269 acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1270 struct fwnode_handle *child) 1271 { 1272 return NULL; 1273 } 1274 1275 static inline struct fwnode_handle * 1276 acpi_node_get_parent(const struct fwnode_handle *fwnode) 1277 { 1278 return NULL; 1279 } 1280 1281 static inline struct fwnode_handle * 1282 acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode, 1283 struct fwnode_handle *prev) 1284 { 1285 return ERR_PTR(-ENXIO); 1286 } 1287 1288 static inline int 1289 acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode, 1290 struct fwnode_handle **remote, 1291 struct fwnode_handle **port, 1292 struct fwnode_handle **endpoint) 1293 { 1294 return -ENXIO; 1295 } 1296 1297 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ 1298 static const void * __acpi_table_##name[] \ 1299 __attribute__((unused)) \ 1300 = { (void *) table_id, \ 1301 (void *) subtable, \ 1302 (void *) valid, \ 1303 (void *) fn, \ 1304 (void *) data } 1305 1306 #define acpi_probe_device_table(t) ({ int __r = 0; __r;}) 1307 #endif 1308 1309 #ifdef CONFIG_ACPI_TABLE_UPGRADE 1310 void acpi_table_upgrade(void); 1311 #else 1312 static inline void acpi_table_upgrade(void) { } 1313 #endif 1314 1315 #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG) 1316 extern bool acpi_has_watchdog(void); 1317 #else 1318 static inline bool acpi_has_watchdog(void) { return false; } 1319 #endif 1320 1321 #ifdef CONFIG_ACPI_SPCR_TABLE 1322 extern bool qdf2400_e44_present; 1323 int acpi_parse_spcr(bool enable_earlycon, bool enable_console); 1324 #else 1325 static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console) 1326 { 1327 return 0; 1328 } 1329 #endif 1330 1331 #if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI) 1332 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res); 1333 #else 1334 static inline 1335 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res) 1336 { 1337 return -EINVAL; 1338 } 1339 #endif 1340 1341 #ifdef CONFIG_ACPI_LPIT 1342 int lpit_read_residency_count_address(u64 *address); 1343 #else 1344 static inline int lpit_read_residency_count_address(u64 *address) 1345 { 1346 return -EINVAL; 1347 } 1348 #endif 1349 1350 #ifdef CONFIG_ACPI_PPTT 1351 int acpi_pptt_cpu_is_thread(unsigned int cpu); 1352 int find_acpi_cpu_topology(unsigned int cpu, int level); 1353 int find_acpi_cpu_topology_package(unsigned int cpu); 1354 int find_acpi_cpu_topology_hetero_id(unsigned int cpu); 1355 int find_acpi_cpu_cache_topology(unsigned int cpu, int level); 1356 #else 1357 static inline int acpi_pptt_cpu_is_thread(unsigned int cpu) 1358 { 1359 return -EINVAL; 1360 } 1361 static inline int find_acpi_cpu_topology(unsigned int cpu, int level) 1362 { 1363 return -EINVAL; 1364 } 1365 static inline int find_acpi_cpu_topology_package(unsigned int cpu) 1366 { 1367 return -EINVAL; 1368 } 1369 static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu) 1370 { 1371 return -EINVAL; 1372 } 1373 static inline int find_acpi_cpu_cache_topology(unsigned int cpu, int level) 1374 { 1375 return -EINVAL; 1376 } 1377 #endif 1378 1379 #ifdef CONFIG_ACPI 1380 extern int acpi_platform_notify(struct device *dev, enum kobject_action action); 1381 #else 1382 static inline int 1383 acpi_platform_notify(struct device *dev, enum kobject_action action) 1384 { 1385 return 0; 1386 } 1387 #endif 1388 1389 #endif /*_LINUX_ACPI_H*/ 1390