1 /* 2 * acpi.h - ACPI Interface 3 * 4 * Copyright (C) 2001 Paul Diefenbaugh <[email protected]> 5 * 6 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 19 */ 20 21 #ifndef _LINUX_ACPI_H 22 #define _LINUX_ACPI_H 23 24 #include <linux/errno.h> 25 #include <linux/ioport.h> /* for struct resource */ 26 #include <linux/resource_ext.h> 27 #include <linux/device.h> 28 #include <linux/property.h> 29 #include <linux/uuid.h> 30 31 #ifndef _LINUX 32 #define _LINUX 33 #endif 34 #include <acpi/acpi.h> 35 36 #ifdef CONFIG_ACPI 37 38 #include <linux/list.h> 39 #include <linux/mod_devicetable.h> 40 #include <linux/dynamic_debug.h> 41 #include <linux/module.h> 42 #include <linux/mutex.h> 43 44 #include <acpi/acpi_bus.h> 45 #include <acpi/acpi_drivers.h> 46 #include <acpi/acpi_numa.h> 47 #include <acpi/acpi_io.h> 48 #include <asm/acpi.h> 49 50 static inline acpi_handle acpi_device_handle(struct acpi_device *adev) 51 { 52 return adev ? adev->handle : NULL; 53 } 54 55 #define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode) 56 #define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \ 57 acpi_fwnode_handle(adev) : NULL) 58 #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev)) 59 #define ACPI_HANDLE_FWNODE(fwnode) \ 60 acpi_device_handle(to_acpi_device_node(fwnode)) 61 62 static inline struct fwnode_handle *acpi_alloc_fwnode_static(void) 63 { 64 struct fwnode_handle *fwnode; 65 66 fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL); 67 if (!fwnode) 68 return NULL; 69 70 fwnode->ops = &acpi_static_fwnode_ops; 71 72 return fwnode; 73 } 74 75 static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode) 76 { 77 if (WARN_ON(!is_acpi_static_node(fwnode))) 78 return; 79 80 kfree(fwnode); 81 } 82 83 /** 84 * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with 85 * the PCI-defined class-code information 86 * 87 * @_cls : the class, subclass, prog-if triple for this device 88 * @_msk : the class mask for this device 89 * 90 * This macro is used to create a struct acpi_device_id that matches a 91 * specific PCI class. The .id and .driver_data fields will be left 92 * initialized with the default value. 93 */ 94 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (_cls), .cls_msk = (_msk), 95 96 static inline bool has_acpi_companion(struct device *dev) 97 { 98 return is_acpi_device_node(dev->fwnode); 99 } 100 101 static inline void acpi_preset_companion(struct device *dev, 102 struct acpi_device *parent, u64 addr) 103 { 104 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL)); 105 } 106 107 static inline const char *acpi_dev_name(struct acpi_device *adev) 108 { 109 return dev_name(&adev->dev); 110 } 111 112 struct device *acpi_get_first_physical_node(struct acpi_device *adev); 113 114 enum acpi_irq_model_id { 115 ACPI_IRQ_MODEL_PIC = 0, 116 ACPI_IRQ_MODEL_IOAPIC, 117 ACPI_IRQ_MODEL_IOSAPIC, 118 ACPI_IRQ_MODEL_PLATFORM, 119 ACPI_IRQ_MODEL_GIC, 120 ACPI_IRQ_MODEL_COUNT 121 }; 122 123 extern enum acpi_irq_model_id acpi_irq_model; 124 125 enum acpi_interrupt_id { 126 ACPI_INTERRUPT_PMI = 1, 127 ACPI_INTERRUPT_INIT, 128 ACPI_INTERRUPT_CPEI, 129 ACPI_INTERRUPT_COUNT 130 }; 131 132 #define ACPI_SPACE_MEM 0 133 134 enum acpi_address_range_id { 135 ACPI_ADDRESS_RANGE_MEMORY = 1, 136 ACPI_ADDRESS_RANGE_RESERVED = 2, 137 ACPI_ADDRESS_RANGE_ACPI = 3, 138 ACPI_ADDRESS_RANGE_NVS = 4, 139 ACPI_ADDRESS_RANGE_COUNT 140 }; 141 142 143 /* Table Handlers */ 144 145 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table); 146 147 typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header, 148 const unsigned long end); 149 150 /* Debugger support */ 151 152 struct acpi_debugger_ops { 153 int (*create_thread)(acpi_osd_exec_callback function, void *context); 154 ssize_t (*write_log)(const char *msg); 155 ssize_t (*read_cmd)(char *buffer, size_t length); 156 int (*wait_command_ready)(bool single_step, char *buffer, size_t length); 157 int (*notify_command_complete)(void); 158 }; 159 160 struct acpi_debugger { 161 const struct acpi_debugger_ops *ops; 162 struct module *owner; 163 struct mutex lock; 164 }; 165 166 #ifdef CONFIG_ACPI_DEBUGGER 167 int __init acpi_debugger_init(void); 168 int acpi_register_debugger(struct module *owner, 169 const struct acpi_debugger_ops *ops); 170 void acpi_unregister_debugger(const struct acpi_debugger_ops *ops); 171 int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context); 172 ssize_t acpi_debugger_write_log(const char *msg); 173 ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length); 174 int acpi_debugger_wait_command_ready(void); 175 int acpi_debugger_notify_command_complete(void); 176 #else 177 static inline int acpi_debugger_init(void) 178 { 179 return -ENODEV; 180 } 181 182 static inline int acpi_register_debugger(struct module *owner, 183 const struct acpi_debugger_ops *ops) 184 { 185 return -ENODEV; 186 } 187 188 static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops) 189 { 190 } 191 192 static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function, 193 void *context) 194 { 195 return -ENODEV; 196 } 197 198 static inline int acpi_debugger_write_log(const char *msg) 199 { 200 return -ENODEV; 201 } 202 203 static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length) 204 { 205 return -ENODEV; 206 } 207 208 static inline int acpi_debugger_wait_command_ready(void) 209 { 210 return -ENODEV; 211 } 212 213 static inline int acpi_debugger_notify_command_complete(void) 214 { 215 return -ENODEV; 216 } 217 #endif 218 219 #define BAD_MADT_ENTRY(entry, end) ( \ 220 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \ 221 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry)) 222 223 struct acpi_subtable_proc { 224 int id; 225 acpi_tbl_entry_handler handler; 226 int count; 227 }; 228 229 void __iomem *__acpi_map_table(unsigned long phys, unsigned long size); 230 void __acpi_unmap_table(void __iomem *map, unsigned long size); 231 int early_acpi_boot_init(void); 232 int acpi_boot_init (void); 233 void acpi_boot_table_init (void); 234 int acpi_mps_check (void); 235 int acpi_numa_init (void); 236 237 int acpi_table_init (void); 238 int acpi_table_parse(char *id, acpi_tbl_table_handler handler); 239 int __init acpi_table_parse_entries(char *id, unsigned long table_size, 240 int entry_id, 241 acpi_tbl_entry_handler handler, 242 unsigned int max_entries); 243 int __init acpi_table_parse_entries_array(char *id, unsigned long table_size, 244 struct acpi_subtable_proc *proc, int proc_num, 245 unsigned int max_entries); 246 int acpi_table_parse_madt(enum acpi_madt_type id, 247 acpi_tbl_entry_handler handler, 248 unsigned int max_entries); 249 int acpi_parse_mcfg (struct acpi_table_header *header); 250 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); 251 252 /* the following numa functions are architecture-dependent */ 253 void acpi_numa_slit_init (struct acpi_table_slit *slit); 254 255 #if defined(CONFIG_X86) || defined(CONFIG_IA64) 256 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); 257 #else 258 static inline void 259 acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { } 260 #endif 261 262 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); 263 264 #ifdef CONFIG_ARM64 265 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa); 266 #else 267 static inline void 268 acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { } 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); 290 291 #ifdef CONFIG_ACPI_HOTPLUG_CPU 292 /* Arch dependent functions for cpu hotplug support */ 293 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id, 294 int *pcpu); 295 int acpi_unmap_cpu(int cpu); 296 #endif /* CONFIG_ACPI_HOTPLUG_CPU */ 297 298 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 299 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr); 300 #endif 301 302 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); 303 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); 304 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base); 305 void acpi_irq_stats_init(void); 306 extern u32 acpi_irq_handled; 307 extern u32 acpi_irq_not_handled; 308 extern unsigned int acpi_sci_irq; 309 extern bool acpi_no_s5; 310 #define INVALID_ACPI_IRQ ((unsigned)-1) 311 static inline bool acpi_sci_irq_valid(void) 312 { 313 return acpi_sci_irq != INVALID_ACPI_IRQ; 314 } 315 316 extern int sbf_port; 317 extern unsigned long acpi_realmode_flags; 318 319 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); 320 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 321 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); 322 323 void acpi_set_irq_model(enum acpi_irq_model_id model, 324 struct fwnode_handle *fwnode); 325 326 #ifdef CONFIG_X86_IO_APIC 327 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); 328 #else 329 #define acpi_get_override_irq(gsi, trigger, polarity) (-1) 330 #endif 331 /* 332 * This function undoes the effect of one call to acpi_register_gsi(). 333 * If this matches the last registration, any IRQ resources for gsi 334 * are freed. 335 */ 336 void acpi_unregister_gsi (u32 gsi); 337 338 struct pci_dev; 339 340 int acpi_pci_irq_enable (struct pci_dev *dev); 341 void acpi_penalize_isa_irq(int irq, int active); 342 bool acpi_isa_irq_available(int irq); 343 void acpi_penalize_sci_irq(int irq, int trigger, int polarity); 344 void acpi_pci_irq_disable (struct pci_dev *dev); 345 346 extern int ec_read(u8 addr, u8 *val); 347 extern int ec_write(u8 addr, u8 val); 348 extern int ec_transaction(u8 command, 349 const u8 *wdata, unsigned wdata_len, 350 u8 *rdata, unsigned rdata_len); 351 extern acpi_handle ec_get_handle(void); 352 353 extern bool acpi_is_pnp_device(struct acpi_device *); 354 355 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 356 357 typedef void (*wmi_notify_handler) (u32 value, void *context); 358 359 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 360 u32 method_id, 361 const struct acpi_buffer *in, 362 struct acpi_buffer *out); 363 extern acpi_status wmi_query_block(const char *guid, u8 instance, 364 struct acpi_buffer *out); 365 extern acpi_status wmi_set_block(const char *guid, u8 instance, 366 const struct acpi_buffer *in); 367 extern acpi_status wmi_install_notify_handler(const char *guid, 368 wmi_notify_handler handler, void *data); 369 extern acpi_status wmi_remove_notify_handler(const char *guid); 370 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); 371 extern bool wmi_has_guid(const char *guid); 372 373 #endif /* CONFIG_ACPI_WMI */ 374 375 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 376 #define ACPI_VIDEO_DEVICE_POSTING 0x0002 377 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004 378 #define ACPI_VIDEO_BACKLIGHT 0x0008 379 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 380 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 381 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 382 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 383 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 384 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 385 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 386 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 387 388 extern char acpi_video_backlight_string[]; 389 extern long acpi_is_video_device(acpi_handle handle); 390 extern int acpi_blacklisted(void); 391 extern void acpi_osi_setup(char *str); 392 extern bool acpi_osi_is_win8(void); 393 394 #ifdef CONFIG_ACPI_NUMA 395 int acpi_map_pxm_to_online_node(int pxm); 396 int acpi_get_node(acpi_handle handle); 397 #else 398 static inline int acpi_map_pxm_to_online_node(int pxm) 399 { 400 return 0; 401 } 402 static inline int acpi_get_node(acpi_handle handle) 403 { 404 return 0; 405 } 406 #endif 407 extern int acpi_paddr_to_node(u64 start_addr, u64 size); 408 409 extern int pnpacpi_disabled; 410 411 #define PXM_INVAL (-1) 412 413 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res); 414 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res); 415 bool acpi_dev_resource_address_space(struct acpi_resource *ares, 416 struct resource_win *win); 417 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, 418 struct resource_win *win); 419 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable); 420 unsigned int acpi_dev_get_irq_type(int triggering, int polarity); 421 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, 422 struct resource *res); 423 424 void acpi_dev_free_resource_list(struct list_head *list); 425 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, 426 int (*preproc)(struct acpi_resource *, void *), 427 void *preproc_data); 428 int acpi_dev_get_dma_resources(struct acpi_device *adev, 429 struct list_head *list); 430 int acpi_dev_filter_resource_type(struct acpi_resource *ares, 431 unsigned long types); 432 433 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares, 434 void *arg) 435 { 436 return acpi_dev_filter_resource_type(ares, (unsigned long)arg); 437 } 438 439 struct acpi_device *acpi_resource_consumer(struct resource *res); 440 441 int acpi_check_resource_conflict(const struct resource *res); 442 443 int acpi_check_region(resource_size_t start, resource_size_t n, 444 const char *name); 445 446 int acpi_resources_are_enforced(void); 447 448 #ifdef CONFIG_HIBERNATION 449 void __init acpi_no_s4_hw_signature(void); 450 #endif 451 452 #ifdef CONFIG_PM_SLEEP 453 void __init acpi_old_suspend_ordering(void); 454 void __init acpi_nvs_nosave(void); 455 void __init acpi_nvs_nosave_s3(void); 456 void __init acpi_sleep_no_blacklist(void); 457 #endif /* CONFIG_PM_SLEEP */ 458 459 struct acpi_osc_context { 460 char *uuid_str; /* UUID string */ 461 int rev; 462 struct acpi_buffer cap; /* list of DWORD capabilities */ 463 struct acpi_buffer ret; /* free by caller if success */ 464 }; 465 466 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); 467 468 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */ 469 #define OSC_QUERY_DWORD 0 /* DWORD 1 */ 470 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */ 471 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */ 472 473 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */ 474 #define OSC_QUERY_ENABLE 0x00000001 /* input */ 475 #define OSC_REQUEST_ERROR 0x00000002 /* return */ 476 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */ 477 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */ 478 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */ 479 480 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */ 481 #define OSC_SB_PAD_SUPPORT 0x00000001 482 #define OSC_SB_PPC_OST_SUPPORT 0x00000002 483 #define OSC_SB_PR3_SUPPORT 0x00000004 484 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008 485 #define OSC_SB_APEI_SUPPORT 0x00000010 486 #define OSC_SB_CPC_SUPPORT 0x00000020 487 #define OSC_SB_CPCV2_SUPPORT 0x00000040 488 #define OSC_SB_PCLPI_SUPPORT 0x00000080 489 #define OSC_SB_OSLPI_SUPPORT 0x00000100 490 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 491 492 extern bool osc_sb_apei_support_acked; 493 extern bool osc_pc_lpi_support_confirmed; 494 495 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */ 496 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001 497 #define OSC_PCI_ASPM_SUPPORT 0x00000002 498 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004 499 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008 500 #define OSC_PCI_MSI_SUPPORT 0x00000010 501 #define OSC_PCI_SUPPORT_MASKS 0x0000001f 502 503 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */ 504 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001 505 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002 506 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004 507 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008 508 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010 509 #define OSC_PCI_CONTROL_MASKS 0x0000001f 510 511 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002 512 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004 513 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006 514 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008 515 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A 516 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B 517 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C 518 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D 519 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E 520 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F 521 522 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle, 523 u32 *mask, u32 req); 524 525 /* Enable _OST when all relevant hotplug operations are enabled */ 526 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ 527 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \ 528 defined(CONFIG_ACPI_CONTAINER) 529 #define ACPI_HOTPLUG_OST 530 #endif 531 532 /* _OST Source Event Code (OSPM Action) */ 533 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100 534 #define ACPI_OST_EC_OSPM_EJECT 0x103 535 #define ACPI_OST_EC_OSPM_INSERTION 0x200 536 537 /* _OST General Processing Status Code */ 538 #define ACPI_OST_SC_SUCCESS 0x0 539 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1 540 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2 541 542 /* _OST OS Shutdown Processing (0x100) Status Code */ 543 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80 544 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81 545 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82 546 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83 547 548 /* _OST Ejection Request (0x3, 0x103) Status Code */ 549 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80 550 #define ACPI_OST_SC_DEVICE_IN_USE 0x81 551 #define ACPI_OST_SC_DEVICE_BUSY 0x82 552 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83 553 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84 554 555 /* _OST Insertion Request (0x200) Status Code */ 556 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80 557 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 558 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 559 560 enum acpi_predicate { 561 all_versions, 562 less_than_or_equal, 563 equal, 564 greater_than_or_equal, 565 }; 566 567 /* Table must be terminted by a NULL entry */ 568 struct acpi_platform_list { 569 char oem_id[ACPI_OEM_ID_SIZE+1]; 570 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1]; 571 u32 oem_revision; 572 char *table; 573 enum acpi_predicate pred; 574 char *reason; 575 u32 data; 576 }; 577 int acpi_match_platform_list(const struct acpi_platform_list *plat); 578 579 extern void acpi_early_init(void); 580 extern void acpi_subsystem_init(void); 581 582 extern int acpi_nvs_register(__u64 start, __u64 size); 583 584 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 585 void *data); 586 587 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, 588 const struct device *dev); 589 590 const void *acpi_device_get_match_data(const struct device *dev); 591 extern bool acpi_driver_match_device(struct device *dev, 592 const struct device_driver *drv); 593 int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *); 594 int acpi_device_modalias(struct device *, char *, int); 595 void acpi_walk_dep_device_list(acpi_handle handle); 596 597 struct platform_device *acpi_create_platform_device(struct acpi_device *, 598 struct property_entry *); 599 #define ACPI_PTR(_ptr) (_ptr) 600 601 static inline void acpi_device_set_enumerated(struct acpi_device *adev) 602 { 603 adev->flags.visited = true; 604 } 605 606 static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 607 { 608 adev->flags.visited = false; 609 } 610 611 enum acpi_reconfig_event { 612 ACPI_RECONFIG_DEVICE_ADD = 0, 613 ACPI_RECONFIG_DEVICE_REMOVE, 614 }; 615 616 int acpi_reconfig_notifier_register(struct notifier_block *nb); 617 int acpi_reconfig_notifier_unregister(struct notifier_block *nb); 618 619 #ifdef CONFIG_ACPI_GTDT 620 int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count); 621 int acpi_gtdt_map_ppi(int type); 622 bool acpi_gtdt_c3stop(int type); 623 int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count); 624 #endif 625 626 #ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER 627 static inline u64 acpi_arch_get_root_pointer(void) 628 { 629 return 0; 630 } 631 #endif 632 633 #else /* !CONFIG_ACPI */ 634 635 #define acpi_disabled 1 636 637 #define ACPI_COMPANION(dev) (NULL) 638 #define ACPI_COMPANION_SET(dev, adev) do { } while (0) 639 #define ACPI_HANDLE(dev) (NULL) 640 #define ACPI_HANDLE_FWNODE(fwnode) (NULL) 641 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0), 642 643 struct fwnode_handle; 644 645 static inline bool acpi_dev_found(const char *hid) 646 { 647 return false; 648 } 649 650 static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv) 651 { 652 return false; 653 } 654 655 static inline const char * 656 acpi_dev_get_first_match_name(const char *hid, const char *uid, s64 hrv) 657 { 658 return NULL; 659 } 660 661 static inline bool is_acpi_node(struct fwnode_handle *fwnode) 662 { 663 return false; 664 } 665 666 static inline bool is_acpi_device_node(struct fwnode_handle *fwnode) 667 { 668 return false; 669 } 670 671 static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode) 672 { 673 return NULL; 674 } 675 676 static inline bool is_acpi_data_node(struct fwnode_handle *fwnode) 677 { 678 return false; 679 } 680 681 static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode) 682 { 683 return NULL; 684 } 685 686 static inline bool acpi_data_node_match(struct fwnode_handle *fwnode, 687 const char *name) 688 { 689 return false; 690 } 691 692 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) 693 { 694 return NULL; 695 } 696 697 static inline bool has_acpi_companion(struct device *dev) 698 { 699 return false; 700 } 701 702 static inline void acpi_preset_companion(struct device *dev, 703 struct acpi_device *parent, u64 addr) 704 { 705 } 706 707 static inline const char *acpi_dev_name(struct acpi_device *adev) 708 { 709 return NULL; 710 } 711 712 static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev) 713 { 714 return NULL; 715 } 716 717 static inline void acpi_early_init(void) { } 718 static inline void acpi_subsystem_init(void) { } 719 720 static inline int early_acpi_boot_init(void) 721 { 722 return 0; 723 } 724 static inline int acpi_boot_init(void) 725 { 726 return 0; 727 } 728 729 static inline void acpi_boot_table_init(void) 730 { 731 return; 732 } 733 734 static inline int acpi_mps_check(void) 735 { 736 return 0; 737 } 738 739 static inline int acpi_check_resource_conflict(struct resource *res) 740 { 741 return 0; 742 } 743 744 static inline int acpi_check_region(resource_size_t start, resource_size_t n, 745 const char *name) 746 { 747 return 0; 748 } 749 750 struct acpi_table_header; 751 static inline int acpi_table_parse(char *id, 752 int (*handler)(struct acpi_table_header *)) 753 { 754 return -ENODEV; 755 } 756 757 static inline int acpi_nvs_register(__u64 start, __u64 size) 758 { 759 return 0; 760 } 761 762 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 763 void *data) 764 { 765 return 0; 766 } 767 768 struct acpi_device_id; 769 770 static inline const struct acpi_device_id *acpi_match_device( 771 const struct acpi_device_id *ids, const struct device *dev) 772 { 773 return NULL; 774 } 775 776 static inline const void *acpi_device_get_match_data(const struct device *dev) 777 { 778 return NULL; 779 } 780 781 static inline bool acpi_driver_match_device(struct device *dev, 782 const struct device_driver *drv) 783 { 784 return false; 785 } 786 787 static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle, 788 const guid_t *guid, 789 int rev, int func, 790 union acpi_object *argv4) 791 { 792 return NULL; 793 } 794 795 static inline int acpi_device_uevent_modalias(struct device *dev, 796 struct kobj_uevent_env *env) 797 { 798 return -ENODEV; 799 } 800 801 static inline int acpi_device_modalias(struct device *dev, 802 char *buf, int size) 803 { 804 return -ENODEV; 805 } 806 807 static inline bool acpi_dma_supported(struct acpi_device *adev) 808 { 809 return false; 810 } 811 812 static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev) 813 { 814 return DEV_DMA_NOT_SUPPORTED; 815 } 816 817 static inline int acpi_dma_get_range(struct device *dev, u64 *dma_addr, 818 u64 *offset, u64 *size) 819 { 820 return -ENODEV; 821 } 822 823 static inline int acpi_dma_configure(struct device *dev, 824 enum dev_dma_attr attr) 825 { 826 return 0; 827 } 828 829 static inline void acpi_dma_deconfigure(struct device *dev) { } 830 831 #define ACPI_PTR(_ptr) (NULL) 832 833 static inline void acpi_device_set_enumerated(struct acpi_device *adev) 834 { 835 } 836 837 static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 838 { 839 } 840 841 static inline int acpi_reconfig_notifier_register(struct notifier_block *nb) 842 { 843 return -EINVAL; 844 } 845 846 static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb) 847 { 848 return -EINVAL; 849 } 850 851 static inline struct acpi_device *acpi_resource_consumer(struct resource *res) 852 { 853 return NULL; 854 } 855 856 #endif /* !CONFIG_ACPI */ 857 858 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 859 int acpi_ioapic_add(acpi_handle root); 860 #else 861 static inline int acpi_ioapic_add(acpi_handle root) { return 0; } 862 #endif 863 864 #ifdef CONFIG_ACPI 865 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, 866 u32 pm1a_ctrl, u32 pm1b_ctrl)); 867 868 acpi_status acpi_os_prepare_sleep(u8 sleep_state, 869 u32 pm1a_control, u32 pm1b_control); 870 871 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, 872 u32 val_a, u32 val_b)); 873 874 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, 875 u32 val_a, u32 val_b); 876 877 #ifdef CONFIG_X86 878 void arch_reserve_mem_area(acpi_physical_address addr, size_t size); 879 #else 880 static inline void arch_reserve_mem_area(acpi_physical_address addr, 881 size_t size) 882 { 883 } 884 #endif /* CONFIG_X86 */ 885 #else 886 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) 887 #endif 888 889 #if defined(CONFIG_ACPI) && defined(CONFIG_PM) 890 int acpi_dev_suspend(struct device *dev, bool wakeup); 891 int acpi_dev_resume(struct device *dev); 892 int acpi_subsys_runtime_suspend(struct device *dev); 893 int acpi_subsys_runtime_resume(struct device *dev); 894 int acpi_dev_pm_attach(struct device *dev, bool power_on); 895 #else 896 static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; } 897 static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; } 898 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } 899 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } 900 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) 901 { 902 return -ENODEV; 903 } 904 #endif 905 906 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) 907 int acpi_dev_suspend_late(struct device *dev); 908 int acpi_subsys_prepare(struct device *dev); 909 void acpi_subsys_complete(struct device *dev); 910 int acpi_subsys_suspend_late(struct device *dev); 911 int acpi_subsys_suspend_noirq(struct device *dev); 912 int acpi_subsys_resume_noirq(struct device *dev); 913 int acpi_subsys_resume_early(struct device *dev); 914 int acpi_subsys_suspend(struct device *dev); 915 int acpi_subsys_freeze(struct device *dev); 916 int acpi_subsys_freeze_late(struct device *dev); 917 int acpi_subsys_freeze_noirq(struct device *dev); 918 int acpi_subsys_thaw_noirq(struct device *dev); 919 #else 920 static inline int acpi_dev_resume_early(struct device *dev) { return 0; } 921 static inline int acpi_subsys_prepare(struct device *dev) { return 0; } 922 static inline void acpi_subsys_complete(struct device *dev) {} 923 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } 924 static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; } 925 static inline int acpi_subsys_resume_noirq(struct device *dev) { return 0; } 926 static inline int acpi_subsys_resume_early(struct device *dev) { return 0; } 927 static inline int acpi_subsys_suspend(struct device *dev) { return 0; } 928 static inline int acpi_subsys_freeze(struct device *dev) { return 0; } 929 static inline int acpi_subsys_freeze_late(struct device *dev) { return 0; } 930 static inline int acpi_subsys_freeze_noirq(struct device *dev) { return 0; } 931 static inline int acpi_subsys_thaw_noirq(struct device *dev) { return 0; } 932 #endif 933 934 #ifdef CONFIG_ACPI 935 __printf(3, 4) 936 void acpi_handle_printk(const char *level, acpi_handle handle, 937 const char *fmt, ...); 938 #else /* !CONFIG_ACPI */ 939 static inline __printf(3, 4) void 940 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} 941 #endif /* !CONFIG_ACPI */ 942 943 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) 944 __printf(3, 4) 945 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); 946 #else 947 #define __acpi_handle_debug(descriptor, handle, fmt, ...) \ 948 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); 949 #endif 950 951 /* 952 * acpi_handle_<level>: Print message with ACPI prefix and object path 953 * 954 * These interfaces acquire the global namespace mutex to obtain an object 955 * path. In interrupt context, it shows the object path as <n/a>. 956 */ 957 #define acpi_handle_emerg(handle, fmt, ...) \ 958 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) 959 #define acpi_handle_alert(handle, fmt, ...) \ 960 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) 961 #define acpi_handle_crit(handle, fmt, ...) \ 962 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) 963 #define acpi_handle_err(handle, fmt, ...) \ 964 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) 965 #define acpi_handle_warn(handle, fmt, ...) \ 966 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) 967 #define acpi_handle_notice(handle, fmt, ...) \ 968 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) 969 #define acpi_handle_info(handle, fmt, ...) \ 970 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) 971 972 #if defined(DEBUG) 973 #define acpi_handle_debug(handle, fmt, ...) \ 974 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) 975 #else 976 #if defined(CONFIG_DYNAMIC_DEBUG) 977 #define acpi_handle_debug(handle, fmt, ...) \ 978 do { \ 979 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \ 980 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \ 981 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \ 982 ##__VA_ARGS__); \ 983 } while (0) 984 #else 985 #define acpi_handle_debug(handle, fmt, ...) \ 986 ({ \ 987 if (0) \ 988 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ 989 0; \ 990 }) 991 #endif 992 #endif 993 994 struct acpi_gpio_params { 995 unsigned int crs_entry_index; 996 unsigned int line_index; 997 bool active_low; 998 }; 999 1000 struct acpi_gpio_mapping { 1001 const char *name; 1002 const struct acpi_gpio_params *data; 1003 unsigned int size; 1004 1005 /* Ignore IoRestriction field */ 1006 #define ACPI_GPIO_QUIRK_NO_IO_RESTRICTION BIT(0) 1007 1008 unsigned int quirks; 1009 }; 1010 1011 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) 1012 int acpi_dev_add_driver_gpios(struct acpi_device *adev, 1013 const struct acpi_gpio_mapping *gpios); 1014 1015 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) 1016 { 1017 if (adev) 1018 adev->driver_gpios = NULL; 1019 } 1020 1021 int devm_acpi_dev_add_driver_gpios(struct device *dev, 1022 const struct acpi_gpio_mapping *gpios); 1023 void devm_acpi_dev_remove_driver_gpios(struct device *dev); 1024 1025 bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1026 struct acpi_resource_gpio **agpio); 1027 int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index); 1028 #else 1029 static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev, 1030 const struct acpi_gpio_mapping *gpios) 1031 { 1032 return -ENXIO; 1033 } 1034 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {} 1035 1036 static inline int devm_acpi_dev_add_driver_gpios(struct device *dev, 1037 const struct acpi_gpio_mapping *gpios) 1038 { 1039 return -ENXIO; 1040 } 1041 static inline void devm_acpi_dev_remove_driver_gpios(struct device *dev) {} 1042 1043 static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1044 struct acpi_resource_gpio **agpio) 1045 { 1046 return false; 1047 } 1048 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) 1049 { 1050 return -ENXIO; 1051 } 1052 #endif 1053 1054 /* Device properties */ 1055 1056 #define MAX_ACPI_REFERENCE_ARGS 8 1057 struct acpi_reference_args { 1058 struct acpi_device *adev; 1059 size_t nargs; 1060 u64 args[MAX_ACPI_REFERENCE_ARGS]; 1061 }; 1062 1063 #ifdef CONFIG_ACPI 1064 int acpi_dev_get_property(const struct acpi_device *adev, const char *name, 1065 acpi_object_type type, const union acpi_object **obj); 1066 int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1067 const char *name, size_t index, size_t num_args, 1068 struct acpi_reference_args *args); 1069 1070 static inline int acpi_node_get_property_reference( 1071 const struct fwnode_handle *fwnode, 1072 const char *name, size_t index, 1073 struct acpi_reference_args *args) 1074 { 1075 return __acpi_node_get_property_reference(fwnode, name, index, 1076 MAX_ACPI_REFERENCE_ARGS, args); 1077 } 1078 1079 int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname, 1080 void **valptr); 1081 int acpi_dev_prop_read_single(struct acpi_device *adev, 1082 const char *propname, enum dev_prop_type proptype, 1083 void *val); 1084 int acpi_node_prop_read(const struct fwnode_handle *fwnode, 1085 const char *propname, enum dev_prop_type proptype, 1086 void *val, size_t nval); 1087 int acpi_dev_prop_read(const struct acpi_device *adev, const char *propname, 1088 enum dev_prop_type proptype, void *val, size_t nval); 1089 1090 struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1091 struct fwnode_handle *child); 1092 struct fwnode_handle *acpi_node_get_parent(const struct fwnode_handle *fwnode); 1093 1094 struct fwnode_handle * 1095 acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode, 1096 struct fwnode_handle *prev); 1097 int acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode, 1098 struct fwnode_handle **remote, 1099 struct fwnode_handle **port, 1100 struct fwnode_handle **endpoint); 1101 1102 struct acpi_probe_entry; 1103 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *, 1104 struct acpi_probe_entry *); 1105 1106 #define ACPI_TABLE_ID_LEN 5 1107 1108 /** 1109 * struct acpi_probe_entry - boot-time probing entry 1110 * @id: ACPI table name 1111 * @type: Optional subtable type to match 1112 * (if @id contains subtables) 1113 * @subtable_valid: Optional callback to check the validity of 1114 * the subtable 1115 * @probe_table: Callback to the driver being probed when table 1116 * match is successful 1117 * @probe_subtbl: Callback to the driver being probed when table and 1118 * subtable match (and optional callback is successful) 1119 * @driver_data: Sideband data provided back to the driver 1120 */ 1121 struct acpi_probe_entry { 1122 __u8 id[ACPI_TABLE_ID_LEN]; 1123 __u8 type; 1124 acpi_probe_entry_validate_subtbl subtable_valid; 1125 union { 1126 acpi_tbl_table_handler probe_table; 1127 acpi_tbl_entry_handler probe_subtbl; 1128 }; 1129 kernel_ulong_t driver_data; 1130 }; 1131 1132 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ 1133 static const struct acpi_probe_entry __acpi_probe_##name \ 1134 __used __section(__##table##_acpi_probe_table) \ 1135 = { \ 1136 .id = table_id, \ 1137 .type = subtable, \ 1138 .subtable_valid = valid, \ 1139 .probe_table = (acpi_tbl_table_handler)fn, \ 1140 .driver_data = data, \ 1141 } 1142 1143 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table 1144 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end 1145 1146 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr); 1147 1148 #define acpi_probe_device_table(t) \ 1149 ({ \ 1150 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \ 1151 ACPI_PROBE_TABLE_END(t); \ 1152 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \ 1153 (&ACPI_PROBE_TABLE_END(t) - \ 1154 &ACPI_PROBE_TABLE(t))); \ 1155 }) 1156 #else 1157 static inline int acpi_dev_get_property(struct acpi_device *adev, 1158 const char *name, acpi_object_type type, 1159 const union acpi_object **obj) 1160 { 1161 return -ENXIO; 1162 } 1163 1164 static inline int 1165 __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1166 const char *name, size_t index, size_t num_args, 1167 struct acpi_reference_args *args) 1168 { 1169 return -ENXIO; 1170 } 1171 1172 static inline int 1173 acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1174 const char *name, size_t index, 1175 struct acpi_reference_args *args) 1176 { 1177 return -ENXIO; 1178 } 1179 1180 static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode, 1181 const char *propname, 1182 void **valptr) 1183 { 1184 return -ENXIO; 1185 } 1186 1187 static inline int acpi_dev_prop_get(const struct acpi_device *adev, 1188 const char *propname, 1189 void **valptr) 1190 { 1191 return -ENXIO; 1192 } 1193 1194 static inline int acpi_dev_prop_read_single(const struct acpi_device *adev, 1195 const char *propname, 1196 enum dev_prop_type proptype, 1197 void *val) 1198 { 1199 return -ENXIO; 1200 } 1201 1202 static inline int acpi_node_prop_read(const struct fwnode_handle *fwnode, 1203 const char *propname, 1204 enum dev_prop_type proptype, 1205 void *val, size_t nval) 1206 { 1207 return -ENXIO; 1208 } 1209 1210 static inline int acpi_dev_prop_read(const struct acpi_device *adev, 1211 const char *propname, 1212 enum dev_prop_type proptype, 1213 void *val, size_t nval) 1214 { 1215 return -ENXIO; 1216 } 1217 1218 static inline struct fwnode_handle * 1219 acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1220 struct fwnode_handle *child) 1221 { 1222 return NULL; 1223 } 1224 1225 static inline struct fwnode_handle * 1226 acpi_node_get_parent(const struct fwnode_handle *fwnode) 1227 { 1228 return NULL; 1229 } 1230 1231 static inline struct fwnode_handle * 1232 acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode, 1233 struct fwnode_handle *prev) 1234 { 1235 return ERR_PTR(-ENXIO); 1236 } 1237 1238 static inline int 1239 acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode, 1240 struct fwnode_handle **remote, 1241 struct fwnode_handle **port, 1242 struct fwnode_handle **endpoint) 1243 { 1244 return -ENXIO; 1245 } 1246 1247 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ 1248 static const void * __acpi_table_##name[] \ 1249 __attribute__((unused)) \ 1250 = { (void *) table_id, \ 1251 (void *) subtable, \ 1252 (void *) valid, \ 1253 (void *) fn, \ 1254 (void *) data } 1255 1256 #define acpi_probe_device_table(t) ({ int __r = 0; __r;}) 1257 #endif 1258 1259 #ifdef CONFIG_ACPI_TABLE_UPGRADE 1260 void acpi_table_upgrade(void); 1261 #else 1262 static inline void acpi_table_upgrade(void) { } 1263 #endif 1264 1265 #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG) 1266 extern bool acpi_has_watchdog(void); 1267 #else 1268 static inline bool acpi_has_watchdog(void) { return false; } 1269 #endif 1270 1271 #ifdef CONFIG_ACPI_SPCR_TABLE 1272 extern bool qdf2400_e44_present; 1273 int acpi_parse_spcr(bool enable_earlycon, bool enable_console); 1274 #else 1275 static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console) 1276 { 1277 return 0; 1278 } 1279 #endif 1280 1281 #if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI) 1282 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res); 1283 #else 1284 static inline 1285 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res) 1286 { 1287 return -EINVAL; 1288 } 1289 #endif 1290 1291 #ifdef CONFIG_ACPI_LPIT 1292 int lpit_read_residency_count_address(u64 *address); 1293 #else 1294 static inline int lpit_read_residency_count_address(u64 *address) 1295 { 1296 return -EINVAL; 1297 } 1298 #endif 1299 1300 #endif /*_LINUX_ACPI_H*/ 1301