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, false)); 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 union acpi_subtable_headers { 145 struct acpi_subtable_header common; 146 struct acpi_hmat_structure hmat; 147 }; 148 149 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table); 150 151 typedef int (*acpi_tbl_entry_handler)(union acpi_subtable_headers *header, 152 const unsigned long end); 153 154 /* Debugger support */ 155 156 struct acpi_debugger_ops { 157 int (*create_thread)(acpi_osd_exec_callback function, void *context); 158 ssize_t (*write_log)(const char *msg); 159 ssize_t (*read_cmd)(char *buffer, size_t length); 160 int (*wait_command_ready)(bool single_step, char *buffer, size_t length); 161 int (*notify_command_complete)(void); 162 }; 163 164 struct acpi_debugger { 165 const struct acpi_debugger_ops *ops; 166 struct module *owner; 167 struct mutex lock; 168 }; 169 170 #ifdef CONFIG_ACPI_DEBUGGER 171 int __init acpi_debugger_init(void); 172 int acpi_register_debugger(struct module *owner, 173 const struct acpi_debugger_ops *ops); 174 void acpi_unregister_debugger(const struct acpi_debugger_ops *ops); 175 int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context); 176 ssize_t acpi_debugger_write_log(const char *msg); 177 ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length); 178 int acpi_debugger_wait_command_ready(void); 179 int acpi_debugger_notify_command_complete(void); 180 #else 181 static inline int acpi_debugger_init(void) 182 { 183 return -ENODEV; 184 } 185 186 static inline int acpi_register_debugger(struct module *owner, 187 const struct acpi_debugger_ops *ops) 188 { 189 return -ENODEV; 190 } 191 192 static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops) 193 { 194 } 195 196 static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function, 197 void *context) 198 { 199 return -ENODEV; 200 } 201 202 static inline int acpi_debugger_write_log(const char *msg) 203 { 204 return -ENODEV; 205 } 206 207 static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length) 208 { 209 return -ENODEV; 210 } 211 212 static inline int acpi_debugger_wait_command_ready(void) 213 { 214 return -ENODEV; 215 } 216 217 static inline int acpi_debugger_notify_command_complete(void) 218 { 219 return -ENODEV; 220 } 221 #endif 222 223 #define BAD_MADT_ENTRY(entry, end) ( \ 224 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \ 225 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry)) 226 227 struct acpi_subtable_proc { 228 int id; 229 acpi_tbl_entry_handler handler; 230 int count; 231 }; 232 233 void __iomem *__acpi_map_table(unsigned long phys, unsigned long size); 234 void __acpi_unmap_table(void __iomem *map, unsigned long size); 235 int early_acpi_boot_init(void); 236 int acpi_boot_init (void); 237 void acpi_boot_table_init (void); 238 int acpi_mps_check (void); 239 int acpi_numa_init (void); 240 241 int acpi_table_init (void); 242 int acpi_table_parse(char *id, acpi_tbl_table_handler handler); 243 int __init acpi_table_parse_entries(char *id, unsigned long table_size, 244 int entry_id, 245 acpi_tbl_entry_handler handler, 246 unsigned int max_entries); 247 int __init acpi_table_parse_entries_array(char *id, unsigned long table_size, 248 struct acpi_subtable_proc *proc, int proc_num, 249 unsigned int max_entries); 250 int acpi_table_parse_madt(enum acpi_madt_type id, 251 acpi_tbl_entry_handler handler, 252 unsigned int max_entries); 253 int acpi_parse_mcfg (struct acpi_table_header *header); 254 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); 255 256 /* the following numa functions are architecture-dependent */ 257 void acpi_numa_slit_init (struct acpi_table_slit *slit); 258 259 #if defined(CONFIG_X86) || defined(CONFIG_IA64) 260 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); 261 #else 262 static inline void 263 acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { } 264 #endif 265 266 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); 267 268 #ifdef CONFIG_ARM64 269 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa); 270 #else 271 static inline void 272 acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { } 273 #endif 274 275 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma); 276 277 #ifndef PHYS_CPUID_INVALID 278 typedef u32 phys_cpuid_t; 279 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1) 280 #endif 281 282 static inline bool invalid_logical_cpuid(u32 cpuid) 283 { 284 return (int)cpuid < 0; 285 } 286 287 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id) 288 { 289 return phys_id == PHYS_CPUID_INVALID; 290 } 291 292 /* Validate the processor object's proc_id */ 293 bool acpi_duplicate_processor_id(int proc_id); 294 295 #ifdef CONFIG_ACPI_HOTPLUG_CPU 296 /* Arch dependent functions for cpu hotplug support */ 297 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id, 298 int *pcpu); 299 int acpi_unmap_cpu(int cpu); 300 #endif /* CONFIG_ACPI_HOTPLUG_CPU */ 301 302 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 303 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr); 304 #endif 305 306 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); 307 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); 308 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base); 309 void acpi_irq_stats_init(void); 310 extern u32 acpi_irq_handled; 311 extern u32 acpi_irq_not_handled; 312 extern unsigned int acpi_sci_irq; 313 extern bool acpi_no_s5; 314 #define INVALID_ACPI_IRQ ((unsigned)-1) 315 static inline bool acpi_sci_irq_valid(void) 316 { 317 return acpi_sci_irq != INVALID_ACPI_IRQ; 318 } 319 320 extern int sbf_port; 321 extern unsigned long acpi_realmode_flags; 322 323 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); 324 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 325 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); 326 327 void acpi_set_irq_model(enum acpi_irq_model_id model, 328 struct fwnode_handle *fwnode); 329 330 #ifdef CONFIG_X86_IO_APIC 331 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); 332 #else 333 #define acpi_get_override_irq(gsi, trigger, polarity) (-1) 334 #endif 335 /* 336 * This function undoes the effect of one call to acpi_register_gsi(). 337 * If this matches the last registration, any IRQ resources for gsi 338 * are freed. 339 */ 340 void acpi_unregister_gsi (u32 gsi); 341 342 struct pci_dev; 343 344 int acpi_pci_irq_enable (struct pci_dev *dev); 345 void acpi_penalize_isa_irq(int irq, int active); 346 bool acpi_isa_irq_available(int irq); 347 #ifdef CONFIG_PCI 348 void acpi_penalize_sci_irq(int irq, int trigger, int polarity); 349 #else 350 static inline void acpi_penalize_sci_irq(int irq, int trigger, 351 int polarity) 352 { 353 } 354 #endif 355 void acpi_pci_irq_disable (struct pci_dev *dev); 356 357 extern int ec_read(u8 addr, u8 *val); 358 extern int ec_write(u8 addr, u8 val); 359 extern int ec_transaction(u8 command, 360 const u8 *wdata, unsigned wdata_len, 361 u8 *rdata, unsigned rdata_len); 362 extern acpi_handle ec_get_handle(void); 363 364 extern bool acpi_is_pnp_device(struct acpi_device *); 365 366 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 367 368 typedef void (*wmi_notify_handler) (u32 value, void *context); 369 370 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 371 u32 method_id, 372 const struct acpi_buffer *in, 373 struct acpi_buffer *out); 374 extern acpi_status wmi_query_block(const char *guid, u8 instance, 375 struct acpi_buffer *out); 376 extern acpi_status wmi_set_block(const char *guid, u8 instance, 377 const struct acpi_buffer *in); 378 extern acpi_status wmi_install_notify_handler(const char *guid, 379 wmi_notify_handler handler, void *data); 380 extern acpi_status wmi_remove_notify_handler(const char *guid); 381 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); 382 extern bool wmi_has_guid(const char *guid); 383 384 #endif /* CONFIG_ACPI_WMI */ 385 386 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 387 #define ACPI_VIDEO_DEVICE_POSTING 0x0002 388 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004 389 #define ACPI_VIDEO_BACKLIGHT 0x0008 390 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 391 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 392 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 393 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 394 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 395 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 396 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 397 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 398 399 extern char acpi_video_backlight_string[]; 400 extern long acpi_is_video_device(acpi_handle handle); 401 extern int acpi_blacklisted(void); 402 extern void acpi_osi_setup(char *str); 403 extern bool acpi_osi_is_win8(void); 404 405 #ifdef CONFIG_ACPI_NUMA 406 int acpi_map_pxm_to_online_node(int pxm); 407 int acpi_map_pxm_to_node(int pxm); 408 int acpi_get_node(acpi_handle handle); 409 #else 410 static inline int acpi_map_pxm_to_online_node(int pxm) 411 { 412 return 0; 413 } 414 static inline int acpi_map_pxm_to_node(int pxm) 415 { 416 return 0; 417 } 418 static inline int acpi_get_node(acpi_handle handle) 419 { 420 return 0; 421 } 422 #endif 423 extern int acpi_paddr_to_node(u64 start_addr, u64 size); 424 425 extern int pnpacpi_disabled; 426 427 #define PXM_INVAL (-1) 428 429 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res); 430 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res); 431 bool acpi_dev_resource_address_space(struct acpi_resource *ares, 432 struct resource_win *win); 433 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, 434 struct resource_win *win); 435 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable); 436 unsigned int acpi_dev_get_irq_type(int triggering, int polarity); 437 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, 438 struct resource *res); 439 440 void acpi_dev_free_resource_list(struct list_head *list); 441 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, 442 int (*preproc)(struct acpi_resource *, void *), 443 void *preproc_data); 444 int acpi_dev_get_dma_resources(struct acpi_device *adev, 445 struct list_head *list); 446 int acpi_dev_filter_resource_type(struct acpi_resource *ares, 447 unsigned long types); 448 449 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares, 450 void *arg) 451 { 452 return acpi_dev_filter_resource_type(ares, (unsigned long)arg); 453 } 454 455 struct acpi_device *acpi_resource_consumer(struct resource *res); 456 457 int acpi_check_resource_conflict(const struct resource *res); 458 459 int acpi_check_region(resource_size_t start, resource_size_t n, 460 const char *name); 461 462 acpi_status acpi_release_memory(acpi_handle handle, struct resource *res, 463 u32 level); 464 465 int acpi_resources_are_enforced(void); 466 467 #ifdef CONFIG_HIBERNATION 468 void __init acpi_no_s4_hw_signature(void); 469 #endif 470 471 #ifdef CONFIG_PM_SLEEP 472 void __init acpi_old_suspend_ordering(void); 473 void __init acpi_nvs_nosave(void); 474 void __init acpi_nvs_nosave_s3(void); 475 void __init acpi_sleep_no_blacklist(void); 476 #endif /* CONFIG_PM_SLEEP */ 477 478 struct acpi_osc_context { 479 char *uuid_str; /* UUID string */ 480 int rev; 481 struct acpi_buffer cap; /* list of DWORD capabilities */ 482 struct acpi_buffer ret; /* free by caller if success */ 483 }; 484 485 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); 486 487 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */ 488 #define OSC_QUERY_DWORD 0 /* DWORD 1 */ 489 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */ 490 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */ 491 492 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */ 493 #define OSC_QUERY_ENABLE 0x00000001 /* input */ 494 #define OSC_REQUEST_ERROR 0x00000002 /* return */ 495 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */ 496 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */ 497 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */ 498 499 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */ 500 #define OSC_SB_PAD_SUPPORT 0x00000001 501 #define OSC_SB_PPC_OST_SUPPORT 0x00000002 502 #define OSC_SB_PR3_SUPPORT 0x00000004 503 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008 504 #define OSC_SB_APEI_SUPPORT 0x00000010 505 #define OSC_SB_CPC_SUPPORT 0x00000020 506 #define OSC_SB_CPCV2_SUPPORT 0x00000040 507 #define OSC_SB_PCLPI_SUPPORT 0x00000080 508 #define OSC_SB_OSLPI_SUPPORT 0x00000100 509 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 510 511 extern bool osc_sb_apei_support_acked; 512 extern bool osc_pc_lpi_support_confirmed; 513 514 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */ 515 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001 516 #define OSC_PCI_ASPM_SUPPORT 0x00000002 517 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004 518 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008 519 #define OSC_PCI_MSI_SUPPORT 0x00000010 520 #define OSC_PCI_SUPPORT_MASKS 0x0000001f 521 522 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */ 523 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001 524 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002 525 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004 526 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008 527 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010 528 #define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020 529 #define OSC_PCI_CONTROL_MASKS 0x0000003f 530 531 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002 532 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004 533 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006 534 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008 535 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A 536 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B 537 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C 538 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D 539 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E 540 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F 541 542 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle, 543 u32 *mask, u32 req); 544 545 /* Enable _OST when all relevant hotplug operations are enabled */ 546 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ 547 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \ 548 defined(CONFIG_ACPI_CONTAINER) 549 #define ACPI_HOTPLUG_OST 550 #endif 551 552 /* _OST Source Event Code (OSPM Action) */ 553 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100 554 #define ACPI_OST_EC_OSPM_EJECT 0x103 555 #define ACPI_OST_EC_OSPM_INSERTION 0x200 556 557 /* _OST General Processing Status Code */ 558 #define ACPI_OST_SC_SUCCESS 0x0 559 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1 560 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2 561 562 /* _OST OS Shutdown Processing (0x100) Status Code */ 563 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80 564 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81 565 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82 566 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83 567 568 /* _OST Ejection Request (0x3, 0x103) Status Code */ 569 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80 570 #define ACPI_OST_SC_DEVICE_IN_USE 0x81 571 #define ACPI_OST_SC_DEVICE_BUSY 0x82 572 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83 573 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84 574 575 /* _OST Insertion Request (0x200) Status Code */ 576 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80 577 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 578 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 579 580 enum acpi_predicate { 581 all_versions, 582 less_than_or_equal, 583 equal, 584 greater_than_or_equal, 585 }; 586 587 /* Table must be terminted by a NULL entry */ 588 struct acpi_platform_list { 589 char oem_id[ACPI_OEM_ID_SIZE+1]; 590 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1]; 591 u32 oem_revision; 592 char *table; 593 enum acpi_predicate pred; 594 char *reason; 595 u32 data; 596 }; 597 int acpi_match_platform_list(const struct acpi_platform_list *plat); 598 599 extern void acpi_early_init(void); 600 extern void acpi_subsystem_init(void); 601 extern void arch_post_acpi_subsys_init(void); 602 603 extern int acpi_nvs_register(__u64 start, __u64 size); 604 605 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 606 void *data); 607 608 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, 609 const struct device *dev); 610 611 const void *acpi_device_get_match_data(const struct device *dev); 612 extern bool acpi_driver_match_device(struct device *dev, 613 const struct device_driver *drv); 614 int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *); 615 int acpi_device_modalias(struct device *, char *, int); 616 void acpi_walk_dep_device_list(acpi_handle handle); 617 618 struct platform_device *acpi_create_platform_device(struct acpi_device *, 619 struct property_entry *); 620 #define ACPI_PTR(_ptr) (_ptr) 621 622 static inline void acpi_device_set_enumerated(struct acpi_device *adev) 623 { 624 adev->flags.visited = true; 625 } 626 627 static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 628 { 629 adev->flags.visited = false; 630 } 631 632 enum acpi_reconfig_event { 633 ACPI_RECONFIG_DEVICE_ADD = 0, 634 ACPI_RECONFIG_DEVICE_REMOVE, 635 }; 636 637 int acpi_reconfig_notifier_register(struct notifier_block *nb); 638 int acpi_reconfig_notifier_unregister(struct notifier_block *nb); 639 640 #ifdef CONFIG_ACPI_GTDT 641 int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count); 642 int acpi_gtdt_map_ppi(int type); 643 bool acpi_gtdt_c3stop(int type); 644 int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count); 645 #endif 646 647 #ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER 648 static inline u64 acpi_arch_get_root_pointer(void) 649 { 650 return 0; 651 } 652 #endif 653 654 #else /* !CONFIG_ACPI */ 655 656 #define acpi_disabled 1 657 658 #define ACPI_COMPANION(dev) (NULL) 659 #define ACPI_COMPANION_SET(dev, adev) do { } while (0) 660 #define ACPI_HANDLE(dev) (NULL) 661 #define ACPI_HANDLE_FWNODE(fwnode) (NULL) 662 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0), 663 664 struct fwnode_handle; 665 666 static inline bool acpi_dev_found(const char *hid) 667 { 668 return false; 669 } 670 671 static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv) 672 { 673 return false; 674 } 675 676 static inline const char * 677 acpi_dev_get_first_match_name(const char *hid, const char *uid, s64 hrv) 678 { 679 return NULL; 680 } 681 682 static inline bool is_acpi_node(struct fwnode_handle *fwnode) 683 { 684 return false; 685 } 686 687 static inline bool is_acpi_device_node(struct fwnode_handle *fwnode) 688 { 689 return false; 690 } 691 692 static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode) 693 { 694 return NULL; 695 } 696 697 static inline bool is_acpi_data_node(struct fwnode_handle *fwnode) 698 { 699 return false; 700 } 701 702 static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode) 703 { 704 return NULL; 705 } 706 707 static inline bool acpi_data_node_match(struct fwnode_handle *fwnode, 708 const char *name) 709 { 710 return false; 711 } 712 713 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) 714 { 715 return NULL; 716 } 717 718 static inline bool has_acpi_companion(struct device *dev) 719 { 720 return false; 721 } 722 723 static inline void acpi_preset_companion(struct device *dev, 724 struct acpi_device *parent, u64 addr) 725 { 726 } 727 728 static inline const char *acpi_dev_name(struct acpi_device *adev) 729 { 730 return NULL; 731 } 732 733 static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev) 734 { 735 return NULL; 736 } 737 738 static inline void acpi_early_init(void) { } 739 static inline void acpi_subsystem_init(void) { } 740 741 static inline int early_acpi_boot_init(void) 742 { 743 return 0; 744 } 745 static inline int acpi_boot_init(void) 746 { 747 return 0; 748 } 749 750 static inline void acpi_boot_table_init(void) 751 { 752 return; 753 } 754 755 static inline int acpi_mps_check(void) 756 { 757 return 0; 758 } 759 760 static inline int acpi_check_resource_conflict(struct resource *res) 761 { 762 return 0; 763 } 764 765 static inline int acpi_check_region(resource_size_t start, resource_size_t n, 766 const char *name) 767 { 768 return 0; 769 } 770 771 struct acpi_table_header; 772 static inline int acpi_table_parse(char *id, 773 int (*handler)(struct acpi_table_header *)) 774 { 775 return -ENODEV; 776 } 777 778 static inline int acpi_nvs_register(__u64 start, __u64 size) 779 { 780 return 0; 781 } 782 783 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 784 void *data) 785 { 786 return 0; 787 } 788 789 struct acpi_device_id; 790 791 static inline const struct acpi_device_id *acpi_match_device( 792 const struct acpi_device_id *ids, const struct device *dev) 793 { 794 return NULL; 795 } 796 797 static inline const void *acpi_device_get_match_data(const struct device *dev) 798 { 799 return NULL; 800 } 801 802 static inline bool acpi_driver_match_device(struct device *dev, 803 const struct device_driver *drv) 804 { 805 return false; 806 } 807 808 static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle, 809 const guid_t *guid, 810 int rev, int func, 811 union acpi_object *argv4) 812 { 813 return NULL; 814 } 815 816 static inline int acpi_device_uevent_modalias(struct device *dev, 817 struct kobj_uevent_env *env) 818 { 819 return -ENODEV; 820 } 821 822 static inline int acpi_device_modalias(struct device *dev, 823 char *buf, int size) 824 { 825 return -ENODEV; 826 } 827 828 static inline bool acpi_dma_supported(struct acpi_device *adev) 829 { 830 return false; 831 } 832 833 static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev) 834 { 835 return DEV_DMA_NOT_SUPPORTED; 836 } 837 838 static inline int acpi_dma_get_range(struct device *dev, u64 *dma_addr, 839 u64 *offset, u64 *size) 840 { 841 return -ENODEV; 842 } 843 844 static inline int acpi_dma_configure(struct device *dev, 845 enum dev_dma_attr attr) 846 { 847 return 0; 848 } 849 850 #define ACPI_PTR(_ptr) (NULL) 851 852 static inline void acpi_device_set_enumerated(struct acpi_device *adev) 853 { 854 } 855 856 static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 857 { 858 } 859 860 static inline int acpi_reconfig_notifier_register(struct notifier_block *nb) 861 { 862 return -EINVAL; 863 } 864 865 static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb) 866 { 867 return -EINVAL; 868 } 869 870 static inline struct acpi_device *acpi_resource_consumer(struct resource *res) 871 { 872 return NULL; 873 } 874 875 #endif /* !CONFIG_ACPI */ 876 877 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 878 int acpi_ioapic_add(acpi_handle root); 879 #else 880 static inline int acpi_ioapic_add(acpi_handle root) { return 0; } 881 #endif 882 883 #ifdef CONFIG_ACPI 884 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, 885 u32 pm1a_ctrl, u32 pm1b_ctrl)); 886 887 acpi_status acpi_os_prepare_sleep(u8 sleep_state, 888 u32 pm1a_control, u32 pm1b_control); 889 890 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, 891 u32 val_a, u32 val_b)); 892 893 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, 894 u32 val_a, u32 val_b); 895 896 #ifdef CONFIG_X86 897 void arch_reserve_mem_area(acpi_physical_address addr, size_t size); 898 #else 899 static inline void arch_reserve_mem_area(acpi_physical_address addr, 900 size_t size) 901 { 902 } 903 #endif /* CONFIG_X86 */ 904 #else 905 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) 906 #endif 907 908 #if defined(CONFIG_ACPI) && defined(CONFIG_PM) 909 int acpi_dev_suspend(struct device *dev, bool wakeup); 910 int acpi_dev_resume(struct device *dev); 911 int acpi_subsys_runtime_suspend(struct device *dev); 912 int acpi_subsys_runtime_resume(struct device *dev); 913 int acpi_dev_pm_attach(struct device *dev, bool power_on); 914 #else 915 static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; } 916 static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; } 917 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } 918 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } 919 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) 920 { 921 return 0; 922 } 923 #endif 924 925 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) 926 int acpi_dev_suspend_late(struct device *dev); 927 int acpi_subsys_prepare(struct device *dev); 928 void acpi_subsys_complete(struct device *dev); 929 int acpi_subsys_suspend_late(struct device *dev); 930 int acpi_subsys_suspend_noirq(struct device *dev); 931 int acpi_subsys_resume_noirq(struct device *dev); 932 int acpi_subsys_resume_early(struct device *dev); 933 int acpi_subsys_suspend(struct device *dev); 934 int acpi_subsys_freeze(struct device *dev); 935 int acpi_subsys_freeze_late(struct device *dev); 936 int acpi_subsys_freeze_noirq(struct device *dev); 937 int acpi_subsys_thaw_noirq(struct device *dev); 938 #else 939 static inline int acpi_dev_resume_early(struct device *dev) { return 0; } 940 static inline int acpi_subsys_prepare(struct device *dev) { return 0; } 941 static inline void acpi_subsys_complete(struct device *dev) {} 942 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } 943 static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; } 944 static inline int acpi_subsys_resume_noirq(struct device *dev) { return 0; } 945 static inline int acpi_subsys_resume_early(struct device *dev) { return 0; } 946 static inline int acpi_subsys_suspend(struct device *dev) { return 0; } 947 static inline int acpi_subsys_freeze(struct device *dev) { return 0; } 948 static inline int acpi_subsys_freeze_late(struct device *dev) { return 0; } 949 static inline int acpi_subsys_freeze_noirq(struct device *dev) { return 0; } 950 static inline int acpi_subsys_thaw_noirq(struct device *dev) { return 0; } 951 #endif 952 953 #ifdef CONFIG_ACPI 954 __printf(3, 4) 955 void acpi_handle_printk(const char *level, acpi_handle handle, 956 const char *fmt, ...); 957 #else /* !CONFIG_ACPI */ 958 static inline __printf(3, 4) void 959 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} 960 #endif /* !CONFIG_ACPI */ 961 962 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) 963 __printf(3, 4) 964 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); 965 #endif 966 967 /* 968 * acpi_handle_<level>: Print message with ACPI prefix and object path 969 * 970 * These interfaces acquire the global namespace mutex to obtain an object 971 * path. In interrupt context, it shows the object path as <n/a>. 972 */ 973 #define acpi_handle_emerg(handle, fmt, ...) \ 974 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) 975 #define acpi_handle_alert(handle, fmt, ...) \ 976 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) 977 #define acpi_handle_crit(handle, fmt, ...) \ 978 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) 979 #define acpi_handle_err(handle, fmt, ...) \ 980 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) 981 #define acpi_handle_warn(handle, fmt, ...) \ 982 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) 983 #define acpi_handle_notice(handle, fmt, ...) \ 984 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) 985 #define acpi_handle_info(handle, fmt, ...) \ 986 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) 987 988 #if defined(DEBUG) 989 #define acpi_handle_debug(handle, fmt, ...) \ 990 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) 991 #else 992 #if defined(CONFIG_DYNAMIC_DEBUG) 993 #define acpi_handle_debug(handle, fmt, ...) \ 994 _dynamic_func_call(fmt, __acpi_handle_debug, \ 995 handle, pr_fmt(fmt), ##__VA_ARGS__) 996 #else 997 #define acpi_handle_debug(handle, fmt, ...) \ 998 ({ \ 999 if (0) \ 1000 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ 1001 0; \ 1002 }) 1003 #endif 1004 #endif 1005 1006 struct acpi_gpio_params { 1007 unsigned int crs_entry_index; 1008 unsigned int line_index; 1009 bool active_low; 1010 }; 1011 1012 struct acpi_gpio_mapping { 1013 const char *name; 1014 const struct acpi_gpio_params *data; 1015 unsigned int size; 1016 1017 /* Ignore IoRestriction field */ 1018 #define ACPI_GPIO_QUIRK_NO_IO_RESTRICTION BIT(0) 1019 /* 1020 * When ACPI GPIO mapping table is in use the index parameter inside it 1021 * refers to the GPIO resource in _CRS method. That index has no 1022 * distinction of actual type of the resource. When consumer wants to 1023 * get GpioIo type explicitly, this quirk may be used. 1024 */ 1025 #define ACPI_GPIO_QUIRK_ONLY_GPIOIO BIT(1) 1026 1027 unsigned int quirks; 1028 }; 1029 1030 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) 1031 int acpi_dev_add_driver_gpios(struct acpi_device *adev, 1032 const struct acpi_gpio_mapping *gpios); 1033 1034 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) 1035 { 1036 if (adev) 1037 adev->driver_gpios = NULL; 1038 } 1039 1040 int devm_acpi_dev_add_driver_gpios(struct device *dev, 1041 const struct acpi_gpio_mapping *gpios); 1042 void devm_acpi_dev_remove_driver_gpios(struct device *dev); 1043 1044 bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1045 struct acpi_resource_gpio **agpio); 1046 int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index); 1047 #else 1048 static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev, 1049 const struct acpi_gpio_mapping *gpios) 1050 { 1051 return -ENXIO; 1052 } 1053 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {} 1054 1055 static inline int devm_acpi_dev_add_driver_gpios(struct device *dev, 1056 const struct acpi_gpio_mapping *gpios) 1057 { 1058 return -ENXIO; 1059 } 1060 static inline void devm_acpi_dev_remove_driver_gpios(struct device *dev) {} 1061 1062 static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1063 struct acpi_resource_gpio **agpio) 1064 { 1065 return false; 1066 } 1067 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) 1068 { 1069 return -ENXIO; 1070 } 1071 #endif 1072 1073 /* Device properties */ 1074 1075 #ifdef CONFIG_ACPI 1076 int acpi_dev_get_property(const struct acpi_device *adev, const char *name, 1077 acpi_object_type type, const union acpi_object **obj); 1078 int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1079 const char *name, size_t index, size_t num_args, 1080 struct fwnode_reference_args *args); 1081 1082 static inline int acpi_node_get_property_reference( 1083 const struct fwnode_handle *fwnode, 1084 const char *name, size_t index, 1085 struct fwnode_reference_args *args) 1086 { 1087 return __acpi_node_get_property_reference(fwnode, name, index, 1088 NR_FWNODE_REFERENCE_ARGS, args); 1089 } 1090 1091 static inline bool acpi_dev_has_props(const struct acpi_device *adev) 1092 { 1093 return !list_empty(&adev->data.properties); 1094 } 1095 1096 struct acpi_device_properties * 1097 acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid, 1098 const union acpi_object *properties); 1099 1100 int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname, 1101 void **valptr); 1102 int acpi_dev_prop_read_single(struct acpi_device *adev, 1103 const char *propname, enum dev_prop_type proptype, 1104 void *val); 1105 int acpi_node_prop_read(const struct fwnode_handle *fwnode, 1106 const char *propname, enum dev_prop_type proptype, 1107 void *val, size_t nval); 1108 int acpi_dev_prop_read(const struct acpi_device *adev, const char *propname, 1109 enum dev_prop_type proptype, void *val, size_t nval); 1110 1111 struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1112 struct fwnode_handle *child); 1113 struct fwnode_handle *acpi_node_get_parent(const struct fwnode_handle *fwnode); 1114 1115 struct acpi_probe_entry; 1116 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *, 1117 struct acpi_probe_entry *); 1118 1119 #define ACPI_TABLE_ID_LEN 5 1120 1121 /** 1122 * struct acpi_probe_entry - boot-time probing entry 1123 * @id: ACPI table name 1124 * @type: Optional subtable type to match 1125 * (if @id contains subtables) 1126 * @subtable_valid: Optional callback to check the validity of 1127 * the subtable 1128 * @probe_table: Callback to the driver being probed when table 1129 * match is successful 1130 * @probe_subtbl: Callback to the driver being probed when table and 1131 * subtable match (and optional callback is successful) 1132 * @driver_data: Sideband data provided back to the driver 1133 */ 1134 struct acpi_probe_entry { 1135 __u8 id[ACPI_TABLE_ID_LEN]; 1136 __u8 type; 1137 acpi_probe_entry_validate_subtbl subtable_valid; 1138 union { 1139 acpi_tbl_table_handler probe_table; 1140 acpi_tbl_entry_handler probe_subtbl; 1141 }; 1142 kernel_ulong_t driver_data; 1143 }; 1144 1145 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ 1146 static const struct acpi_probe_entry __acpi_probe_##name \ 1147 __used __section(__##table##_acpi_probe_table) \ 1148 = { \ 1149 .id = table_id, \ 1150 .type = subtable, \ 1151 .subtable_valid = valid, \ 1152 .probe_table = (acpi_tbl_table_handler)fn, \ 1153 .driver_data = data, \ 1154 } 1155 1156 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table 1157 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end 1158 1159 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr); 1160 1161 #define acpi_probe_device_table(t) \ 1162 ({ \ 1163 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \ 1164 ACPI_PROBE_TABLE_END(t); \ 1165 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \ 1166 (&ACPI_PROBE_TABLE_END(t) - \ 1167 &ACPI_PROBE_TABLE(t))); \ 1168 }) 1169 #else 1170 static inline int acpi_dev_get_property(struct acpi_device *adev, 1171 const char *name, acpi_object_type type, 1172 const union acpi_object **obj) 1173 { 1174 return -ENXIO; 1175 } 1176 1177 static inline int 1178 __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1179 const char *name, size_t index, size_t num_args, 1180 struct fwnode_reference_args *args) 1181 { 1182 return -ENXIO; 1183 } 1184 1185 static inline int 1186 acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1187 const char *name, size_t index, 1188 struct fwnode_reference_args *args) 1189 { 1190 return -ENXIO; 1191 } 1192 1193 static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode, 1194 const char *propname, 1195 void **valptr) 1196 { 1197 return -ENXIO; 1198 } 1199 1200 static inline int acpi_dev_prop_get(const struct acpi_device *adev, 1201 const char *propname, 1202 void **valptr) 1203 { 1204 return -ENXIO; 1205 } 1206 1207 static inline int acpi_dev_prop_read_single(const struct acpi_device *adev, 1208 const char *propname, 1209 enum dev_prop_type proptype, 1210 void *val) 1211 { 1212 return -ENXIO; 1213 } 1214 1215 static inline int acpi_node_prop_read(const struct fwnode_handle *fwnode, 1216 const char *propname, 1217 enum dev_prop_type proptype, 1218 void *val, size_t nval) 1219 { 1220 return -ENXIO; 1221 } 1222 1223 static inline int acpi_dev_prop_read(const struct acpi_device *adev, 1224 const char *propname, 1225 enum dev_prop_type proptype, 1226 void *val, size_t nval) 1227 { 1228 return -ENXIO; 1229 } 1230 1231 static inline struct fwnode_handle * 1232 acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1233 struct fwnode_handle *child) 1234 { 1235 return NULL; 1236 } 1237 1238 static inline struct fwnode_handle * 1239 acpi_node_get_parent(const struct fwnode_handle *fwnode) 1240 { 1241 return NULL; 1242 } 1243 1244 static inline struct fwnode_handle * 1245 acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode, 1246 struct fwnode_handle *prev) 1247 { 1248 return ERR_PTR(-ENXIO); 1249 } 1250 1251 static inline int 1252 acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode, 1253 struct fwnode_handle **remote, 1254 struct fwnode_handle **port, 1255 struct fwnode_handle **endpoint) 1256 { 1257 return -ENXIO; 1258 } 1259 1260 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ 1261 static const void * __acpi_table_##name[] \ 1262 __attribute__((unused)) \ 1263 = { (void *) table_id, \ 1264 (void *) subtable, \ 1265 (void *) valid, \ 1266 (void *) fn, \ 1267 (void *) data } 1268 1269 #define acpi_probe_device_table(t) ({ int __r = 0; __r;}) 1270 #endif 1271 1272 #ifdef CONFIG_ACPI_TABLE_UPGRADE 1273 void acpi_table_upgrade(void); 1274 #else 1275 static inline void acpi_table_upgrade(void) { } 1276 #endif 1277 1278 #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG) 1279 extern bool acpi_has_watchdog(void); 1280 #else 1281 static inline bool acpi_has_watchdog(void) { return false; } 1282 #endif 1283 1284 #ifdef CONFIG_ACPI_SPCR_TABLE 1285 extern bool qdf2400_e44_present; 1286 int acpi_parse_spcr(bool enable_earlycon, bool enable_console); 1287 #else 1288 static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console) 1289 { 1290 return 0; 1291 } 1292 #endif 1293 1294 #if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI) 1295 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res); 1296 #else 1297 static inline 1298 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res) 1299 { 1300 return -EINVAL; 1301 } 1302 #endif 1303 1304 #ifdef CONFIG_ACPI_LPIT 1305 int lpit_read_residency_count_address(u64 *address); 1306 #else 1307 static inline int lpit_read_residency_count_address(u64 *address) 1308 { 1309 return -EINVAL; 1310 } 1311 #endif 1312 1313 #ifdef CONFIG_ACPI_PPTT 1314 int find_acpi_cpu_topology(unsigned int cpu, int level); 1315 int find_acpi_cpu_topology_package(unsigned int cpu); 1316 int find_acpi_cpu_cache_topology(unsigned int cpu, int level); 1317 #else 1318 static inline int find_acpi_cpu_topology(unsigned int cpu, int level) 1319 { 1320 return -EINVAL; 1321 } 1322 static inline int find_acpi_cpu_topology_package(unsigned int cpu) 1323 { 1324 return -EINVAL; 1325 } 1326 static inline int find_acpi_cpu_cache_topology(unsigned int cpu, int level) 1327 { 1328 return -EINVAL; 1329 } 1330 #endif 1331 1332 #ifdef CONFIG_ACPI 1333 extern int acpi_platform_notify(struct device *dev, enum kobject_action action); 1334 #else 1335 static inline int 1336 acpi_platform_notify(struct device *dev, enum kobject_action action) 1337 { 1338 return 0; 1339 } 1340 #endif 1341 1342 #endif /*_LINUX_ACPI_H*/ 1343