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_HPX_TYPE_3_SUPPORT 0x00000100 521 #define OSC_PCI_SUPPORT_MASKS 0x0000011f 522 523 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */ 524 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001 525 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002 526 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004 527 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008 528 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010 529 #define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020 530 #define OSC_PCI_CONTROL_MASKS 0x0000003f 531 532 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002 533 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004 534 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006 535 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008 536 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A 537 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B 538 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C 539 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D 540 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E 541 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F 542 543 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle, 544 u32 *mask, u32 req); 545 546 /* Enable _OST when all relevant hotplug operations are enabled */ 547 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ 548 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \ 549 defined(CONFIG_ACPI_CONTAINER) 550 #define ACPI_HOTPLUG_OST 551 #endif 552 553 /* _OST Source Event Code (OSPM Action) */ 554 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100 555 #define ACPI_OST_EC_OSPM_EJECT 0x103 556 #define ACPI_OST_EC_OSPM_INSERTION 0x200 557 558 /* _OST General Processing Status Code */ 559 #define ACPI_OST_SC_SUCCESS 0x0 560 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1 561 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2 562 563 /* _OST OS Shutdown Processing (0x100) Status Code */ 564 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80 565 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81 566 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82 567 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83 568 569 /* _OST Ejection Request (0x3, 0x103) Status Code */ 570 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80 571 #define ACPI_OST_SC_DEVICE_IN_USE 0x81 572 #define ACPI_OST_SC_DEVICE_BUSY 0x82 573 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83 574 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84 575 576 /* _OST Insertion Request (0x200) Status Code */ 577 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80 578 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 579 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 580 581 enum acpi_predicate { 582 all_versions, 583 less_than_or_equal, 584 equal, 585 greater_than_or_equal, 586 }; 587 588 /* Table must be terminted by a NULL entry */ 589 struct acpi_platform_list { 590 char oem_id[ACPI_OEM_ID_SIZE+1]; 591 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1]; 592 u32 oem_revision; 593 char *table; 594 enum acpi_predicate pred; 595 char *reason; 596 u32 data; 597 }; 598 int acpi_match_platform_list(const struct acpi_platform_list *plat); 599 600 extern void acpi_early_init(void); 601 extern void acpi_subsystem_init(void); 602 extern void arch_post_acpi_subsys_init(void); 603 604 extern int acpi_nvs_register(__u64 start, __u64 size); 605 606 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 607 void *data); 608 609 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, 610 const struct device *dev); 611 612 const void *acpi_device_get_match_data(const struct device *dev); 613 extern bool acpi_driver_match_device(struct device *dev, 614 const struct device_driver *drv); 615 int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *); 616 int acpi_device_modalias(struct device *, char *, int); 617 void acpi_walk_dep_device_list(acpi_handle handle); 618 619 struct platform_device *acpi_create_platform_device(struct acpi_device *, 620 struct property_entry *); 621 #define ACPI_PTR(_ptr) (_ptr) 622 623 static inline void acpi_device_set_enumerated(struct acpi_device *adev) 624 { 625 adev->flags.visited = true; 626 } 627 628 static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 629 { 630 adev->flags.visited = false; 631 } 632 633 enum acpi_reconfig_event { 634 ACPI_RECONFIG_DEVICE_ADD = 0, 635 ACPI_RECONFIG_DEVICE_REMOVE, 636 }; 637 638 int acpi_reconfig_notifier_register(struct notifier_block *nb); 639 int acpi_reconfig_notifier_unregister(struct notifier_block *nb); 640 641 #ifdef CONFIG_ACPI_GTDT 642 int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count); 643 int acpi_gtdt_map_ppi(int type); 644 bool acpi_gtdt_c3stop(int type); 645 int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count); 646 #endif 647 648 #ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER 649 static inline u64 acpi_arch_get_root_pointer(void) 650 { 651 return 0; 652 } 653 #endif 654 655 #else /* !CONFIG_ACPI */ 656 657 #define acpi_disabled 1 658 659 #define ACPI_COMPANION(dev) (NULL) 660 #define ACPI_COMPANION_SET(dev, adev) do { } while (0) 661 #define ACPI_HANDLE(dev) (NULL) 662 #define ACPI_HANDLE_FWNODE(fwnode) (NULL) 663 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0), 664 665 struct fwnode_handle; 666 667 static inline bool acpi_dev_found(const char *hid) 668 { 669 return false; 670 } 671 672 static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv) 673 { 674 return false; 675 } 676 677 static inline struct acpi_device * 678 acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv) 679 { 680 return NULL; 681 } 682 683 static inline void acpi_dev_put(struct acpi_device *adev) {} 684 685 static inline bool is_acpi_node(struct fwnode_handle *fwnode) 686 { 687 return false; 688 } 689 690 static inline bool is_acpi_device_node(struct fwnode_handle *fwnode) 691 { 692 return false; 693 } 694 695 static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode) 696 { 697 return NULL; 698 } 699 700 static inline bool is_acpi_data_node(struct fwnode_handle *fwnode) 701 { 702 return false; 703 } 704 705 static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode) 706 { 707 return NULL; 708 } 709 710 static inline bool acpi_data_node_match(struct fwnode_handle *fwnode, 711 const char *name) 712 { 713 return false; 714 } 715 716 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) 717 { 718 return NULL; 719 } 720 721 static inline bool has_acpi_companion(struct device *dev) 722 { 723 return false; 724 } 725 726 static inline void acpi_preset_companion(struct device *dev, 727 struct acpi_device *parent, u64 addr) 728 { 729 } 730 731 static inline const char *acpi_dev_name(struct acpi_device *adev) 732 { 733 return NULL; 734 } 735 736 static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev) 737 { 738 return NULL; 739 } 740 741 static inline void acpi_early_init(void) { } 742 static inline void acpi_subsystem_init(void) { } 743 744 static inline int early_acpi_boot_init(void) 745 { 746 return 0; 747 } 748 static inline int acpi_boot_init(void) 749 { 750 return 0; 751 } 752 753 static inline void acpi_boot_table_init(void) 754 { 755 return; 756 } 757 758 static inline int acpi_mps_check(void) 759 { 760 return 0; 761 } 762 763 static inline int acpi_check_resource_conflict(struct resource *res) 764 { 765 return 0; 766 } 767 768 static inline int acpi_check_region(resource_size_t start, resource_size_t n, 769 const char *name) 770 { 771 return 0; 772 } 773 774 struct acpi_table_header; 775 static inline int acpi_table_parse(char *id, 776 int (*handler)(struct acpi_table_header *)) 777 { 778 return -ENODEV; 779 } 780 781 static inline int acpi_nvs_register(__u64 start, __u64 size) 782 { 783 return 0; 784 } 785 786 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 787 void *data) 788 { 789 return 0; 790 } 791 792 struct acpi_device_id; 793 794 static inline const struct acpi_device_id *acpi_match_device( 795 const struct acpi_device_id *ids, const struct device *dev) 796 { 797 return NULL; 798 } 799 800 static inline const void *acpi_device_get_match_data(const struct device *dev) 801 { 802 return NULL; 803 } 804 805 static inline bool acpi_driver_match_device(struct device *dev, 806 const struct device_driver *drv) 807 { 808 return false; 809 } 810 811 static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle, 812 const guid_t *guid, 813 int rev, int func, 814 union acpi_object *argv4) 815 { 816 return NULL; 817 } 818 819 static inline int acpi_device_uevent_modalias(struct device *dev, 820 struct kobj_uevent_env *env) 821 { 822 return -ENODEV; 823 } 824 825 static inline int acpi_device_modalias(struct device *dev, 826 char *buf, int size) 827 { 828 return -ENODEV; 829 } 830 831 static inline bool acpi_dma_supported(struct acpi_device *adev) 832 { 833 return false; 834 } 835 836 static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev) 837 { 838 return DEV_DMA_NOT_SUPPORTED; 839 } 840 841 static inline int acpi_dma_get_range(struct device *dev, u64 *dma_addr, 842 u64 *offset, u64 *size) 843 { 844 return -ENODEV; 845 } 846 847 static inline int acpi_dma_configure(struct device *dev, 848 enum dev_dma_attr attr) 849 { 850 return 0; 851 } 852 853 #define ACPI_PTR(_ptr) (NULL) 854 855 static inline void acpi_device_set_enumerated(struct acpi_device *adev) 856 { 857 } 858 859 static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 860 { 861 } 862 863 static inline int acpi_reconfig_notifier_register(struct notifier_block *nb) 864 { 865 return -EINVAL; 866 } 867 868 static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb) 869 { 870 return -EINVAL; 871 } 872 873 static inline struct acpi_device *acpi_resource_consumer(struct resource *res) 874 { 875 return NULL; 876 } 877 878 #endif /* !CONFIG_ACPI */ 879 880 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 881 int acpi_ioapic_add(acpi_handle root); 882 #else 883 static inline int acpi_ioapic_add(acpi_handle root) { return 0; } 884 #endif 885 886 #ifdef CONFIG_ACPI 887 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, 888 u32 pm1a_ctrl, u32 pm1b_ctrl)); 889 890 acpi_status acpi_os_prepare_sleep(u8 sleep_state, 891 u32 pm1a_control, u32 pm1b_control); 892 893 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, 894 u32 val_a, u32 val_b)); 895 896 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, 897 u32 val_a, u32 val_b); 898 899 #ifdef CONFIG_X86 900 void arch_reserve_mem_area(acpi_physical_address addr, size_t size); 901 #else 902 static inline void arch_reserve_mem_area(acpi_physical_address addr, 903 size_t size) 904 { 905 } 906 #endif /* CONFIG_X86 */ 907 #else 908 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) 909 #endif 910 911 #if defined(CONFIG_ACPI) && defined(CONFIG_PM) 912 int acpi_dev_suspend(struct device *dev, bool wakeup); 913 int acpi_dev_resume(struct device *dev); 914 int acpi_subsys_runtime_suspend(struct device *dev); 915 int acpi_subsys_runtime_resume(struct device *dev); 916 int acpi_dev_pm_attach(struct device *dev, bool power_on); 917 #else 918 static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; } 919 static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; } 920 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } 921 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } 922 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) 923 { 924 return 0; 925 } 926 #endif 927 928 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) 929 int acpi_dev_suspend_late(struct device *dev); 930 int acpi_subsys_prepare(struct device *dev); 931 void acpi_subsys_complete(struct device *dev); 932 int acpi_subsys_suspend_late(struct device *dev); 933 int acpi_subsys_suspend_noirq(struct device *dev); 934 int acpi_subsys_resume_noirq(struct device *dev); 935 int acpi_subsys_resume_early(struct device *dev); 936 int acpi_subsys_suspend(struct device *dev); 937 int acpi_subsys_freeze(struct device *dev); 938 int acpi_subsys_freeze_late(struct device *dev); 939 int acpi_subsys_freeze_noirq(struct device *dev); 940 int acpi_subsys_thaw_noirq(struct device *dev); 941 #else 942 static inline int acpi_dev_resume_early(struct device *dev) { return 0; } 943 static inline int acpi_subsys_prepare(struct device *dev) { return 0; } 944 static inline void acpi_subsys_complete(struct device *dev) {} 945 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } 946 static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; } 947 static inline int acpi_subsys_resume_noirq(struct device *dev) { return 0; } 948 static inline int acpi_subsys_resume_early(struct device *dev) { return 0; } 949 static inline int acpi_subsys_suspend(struct device *dev) { return 0; } 950 static inline int acpi_subsys_freeze(struct device *dev) { return 0; } 951 static inline int acpi_subsys_freeze_late(struct device *dev) { return 0; } 952 static inline int acpi_subsys_freeze_noirq(struct device *dev) { return 0; } 953 static inline int acpi_subsys_thaw_noirq(struct device *dev) { return 0; } 954 #endif 955 956 #ifdef CONFIG_ACPI 957 __printf(3, 4) 958 void acpi_handle_printk(const char *level, acpi_handle handle, 959 const char *fmt, ...); 960 #else /* !CONFIG_ACPI */ 961 static inline __printf(3, 4) void 962 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} 963 #endif /* !CONFIG_ACPI */ 964 965 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) 966 __printf(3, 4) 967 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); 968 #endif 969 970 /* 971 * acpi_handle_<level>: Print message with ACPI prefix and object path 972 * 973 * These interfaces acquire the global namespace mutex to obtain an object 974 * path. In interrupt context, it shows the object path as <n/a>. 975 */ 976 #define acpi_handle_emerg(handle, fmt, ...) \ 977 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) 978 #define acpi_handle_alert(handle, fmt, ...) \ 979 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) 980 #define acpi_handle_crit(handle, fmt, ...) \ 981 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) 982 #define acpi_handle_err(handle, fmt, ...) \ 983 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) 984 #define acpi_handle_warn(handle, fmt, ...) \ 985 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) 986 #define acpi_handle_notice(handle, fmt, ...) \ 987 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) 988 #define acpi_handle_info(handle, fmt, ...) \ 989 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) 990 991 #if defined(DEBUG) 992 #define acpi_handle_debug(handle, fmt, ...) \ 993 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) 994 #else 995 #if defined(CONFIG_DYNAMIC_DEBUG) 996 #define acpi_handle_debug(handle, fmt, ...) \ 997 _dynamic_func_call(fmt, __acpi_handle_debug, \ 998 handle, pr_fmt(fmt), ##__VA_ARGS__) 999 #else 1000 #define acpi_handle_debug(handle, fmt, ...) \ 1001 ({ \ 1002 if (0) \ 1003 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ 1004 0; \ 1005 }) 1006 #endif 1007 #endif 1008 1009 struct acpi_gpio_params { 1010 unsigned int crs_entry_index; 1011 unsigned int line_index; 1012 bool active_low; 1013 }; 1014 1015 struct acpi_gpio_mapping { 1016 const char *name; 1017 const struct acpi_gpio_params *data; 1018 unsigned int size; 1019 1020 /* Ignore IoRestriction field */ 1021 #define ACPI_GPIO_QUIRK_NO_IO_RESTRICTION BIT(0) 1022 /* 1023 * When ACPI GPIO mapping table is in use the index parameter inside it 1024 * refers to the GPIO resource in _CRS method. That index has no 1025 * distinction of actual type of the resource. When consumer wants to 1026 * get GpioIo type explicitly, this quirk may be used. 1027 */ 1028 #define ACPI_GPIO_QUIRK_ONLY_GPIOIO BIT(1) 1029 1030 unsigned int quirks; 1031 }; 1032 1033 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) 1034 int acpi_dev_add_driver_gpios(struct acpi_device *adev, 1035 const struct acpi_gpio_mapping *gpios); 1036 1037 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) 1038 { 1039 if (adev) 1040 adev->driver_gpios = NULL; 1041 } 1042 1043 int devm_acpi_dev_add_driver_gpios(struct device *dev, 1044 const struct acpi_gpio_mapping *gpios); 1045 void devm_acpi_dev_remove_driver_gpios(struct device *dev); 1046 1047 bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1048 struct acpi_resource_gpio **agpio); 1049 int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index); 1050 #else 1051 static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev, 1052 const struct acpi_gpio_mapping *gpios) 1053 { 1054 return -ENXIO; 1055 } 1056 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {} 1057 1058 static inline int devm_acpi_dev_add_driver_gpios(struct device *dev, 1059 const struct acpi_gpio_mapping *gpios) 1060 { 1061 return -ENXIO; 1062 } 1063 static inline void devm_acpi_dev_remove_driver_gpios(struct device *dev) {} 1064 1065 static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1066 struct acpi_resource_gpio **agpio) 1067 { 1068 return false; 1069 } 1070 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) 1071 { 1072 return -ENXIO; 1073 } 1074 #endif 1075 1076 /* Device properties */ 1077 1078 #ifdef CONFIG_ACPI 1079 int acpi_dev_get_property(const struct acpi_device *adev, const char *name, 1080 acpi_object_type type, const union acpi_object **obj); 1081 int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1082 const char *name, size_t index, size_t num_args, 1083 struct fwnode_reference_args *args); 1084 1085 static inline int acpi_node_get_property_reference( 1086 const struct fwnode_handle *fwnode, 1087 const char *name, size_t index, 1088 struct fwnode_reference_args *args) 1089 { 1090 return __acpi_node_get_property_reference(fwnode, name, index, 1091 NR_FWNODE_REFERENCE_ARGS, args); 1092 } 1093 1094 static inline bool acpi_dev_has_props(const struct acpi_device *adev) 1095 { 1096 return !list_empty(&adev->data.properties); 1097 } 1098 1099 struct acpi_device_properties * 1100 acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid, 1101 const union acpi_object *properties); 1102 1103 int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname, 1104 void **valptr); 1105 int acpi_dev_prop_read_single(struct acpi_device *adev, 1106 const char *propname, enum dev_prop_type proptype, 1107 void *val); 1108 int acpi_node_prop_read(const struct fwnode_handle *fwnode, 1109 const char *propname, enum dev_prop_type proptype, 1110 void *val, size_t nval); 1111 int acpi_dev_prop_read(const struct acpi_device *adev, const char *propname, 1112 enum dev_prop_type proptype, void *val, size_t nval); 1113 1114 struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1115 struct fwnode_handle *child); 1116 struct fwnode_handle *acpi_node_get_parent(const struct fwnode_handle *fwnode); 1117 1118 struct acpi_probe_entry; 1119 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *, 1120 struct acpi_probe_entry *); 1121 1122 #define ACPI_TABLE_ID_LEN 5 1123 1124 /** 1125 * struct acpi_probe_entry - boot-time probing entry 1126 * @id: ACPI table name 1127 * @type: Optional subtable type to match 1128 * (if @id contains subtables) 1129 * @subtable_valid: Optional callback to check the validity of 1130 * the subtable 1131 * @probe_table: Callback to the driver being probed when table 1132 * match is successful 1133 * @probe_subtbl: Callback to the driver being probed when table and 1134 * subtable match (and optional callback is successful) 1135 * @driver_data: Sideband data provided back to the driver 1136 */ 1137 struct acpi_probe_entry { 1138 __u8 id[ACPI_TABLE_ID_LEN]; 1139 __u8 type; 1140 acpi_probe_entry_validate_subtbl subtable_valid; 1141 union { 1142 acpi_tbl_table_handler probe_table; 1143 acpi_tbl_entry_handler probe_subtbl; 1144 }; 1145 kernel_ulong_t driver_data; 1146 }; 1147 1148 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ 1149 static const struct acpi_probe_entry __acpi_probe_##name \ 1150 __used __section(__##table##_acpi_probe_table) \ 1151 = { \ 1152 .id = table_id, \ 1153 .type = subtable, \ 1154 .subtable_valid = valid, \ 1155 .probe_table = (acpi_tbl_table_handler)fn, \ 1156 .driver_data = data, \ 1157 } 1158 1159 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table 1160 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end 1161 1162 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr); 1163 1164 #define acpi_probe_device_table(t) \ 1165 ({ \ 1166 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \ 1167 ACPI_PROBE_TABLE_END(t); \ 1168 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \ 1169 (&ACPI_PROBE_TABLE_END(t) - \ 1170 &ACPI_PROBE_TABLE(t))); \ 1171 }) 1172 #else 1173 static inline int acpi_dev_get_property(struct acpi_device *adev, 1174 const char *name, acpi_object_type type, 1175 const union acpi_object **obj) 1176 { 1177 return -ENXIO; 1178 } 1179 1180 static inline int 1181 __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1182 const char *name, size_t index, size_t num_args, 1183 struct fwnode_reference_args *args) 1184 { 1185 return -ENXIO; 1186 } 1187 1188 static inline int 1189 acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1190 const char *name, size_t index, 1191 struct fwnode_reference_args *args) 1192 { 1193 return -ENXIO; 1194 } 1195 1196 static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode, 1197 const char *propname, 1198 void **valptr) 1199 { 1200 return -ENXIO; 1201 } 1202 1203 static inline int acpi_dev_prop_get(const struct acpi_device *adev, 1204 const char *propname, 1205 void **valptr) 1206 { 1207 return -ENXIO; 1208 } 1209 1210 static inline int acpi_dev_prop_read_single(const struct acpi_device *adev, 1211 const char *propname, 1212 enum dev_prop_type proptype, 1213 void *val) 1214 { 1215 return -ENXIO; 1216 } 1217 1218 static inline int acpi_node_prop_read(const struct fwnode_handle *fwnode, 1219 const char *propname, 1220 enum dev_prop_type proptype, 1221 void *val, size_t nval) 1222 { 1223 return -ENXIO; 1224 } 1225 1226 static inline int acpi_dev_prop_read(const struct acpi_device *adev, 1227 const char *propname, 1228 enum dev_prop_type proptype, 1229 void *val, size_t nval) 1230 { 1231 return -ENXIO; 1232 } 1233 1234 static inline struct fwnode_handle * 1235 acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1236 struct fwnode_handle *child) 1237 { 1238 return NULL; 1239 } 1240 1241 static inline struct fwnode_handle * 1242 acpi_node_get_parent(const struct fwnode_handle *fwnode) 1243 { 1244 return NULL; 1245 } 1246 1247 static inline struct fwnode_handle * 1248 acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode, 1249 struct fwnode_handle *prev) 1250 { 1251 return ERR_PTR(-ENXIO); 1252 } 1253 1254 static inline int 1255 acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode, 1256 struct fwnode_handle **remote, 1257 struct fwnode_handle **port, 1258 struct fwnode_handle **endpoint) 1259 { 1260 return -ENXIO; 1261 } 1262 1263 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ 1264 static const void * __acpi_table_##name[] \ 1265 __attribute__((unused)) \ 1266 = { (void *) table_id, \ 1267 (void *) subtable, \ 1268 (void *) valid, \ 1269 (void *) fn, \ 1270 (void *) data } 1271 1272 #define acpi_probe_device_table(t) ({ int __r = 0; __r;}) 1273 #endif 1274 1275 #ifdef CONFIG_ACPI_TABLE_UPGRADE 1276 void acpi_table_upgrade(void); 1277 #else 1278 static inline void acpi_table_upgrade(void) { } 1279 #endif 1280 1281 #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG) 1282 extern bool acpi_has_watchdog(void); 1283 #else 1284 static inline bool acpi_has_watchdog(void) { return false; } 1285 #endif 1286 1287 #ifdef CONFIG_ACPI_SPCR_TABLE 1288 extern bool qdf2400_e44_present; 1289 int acpi_parse_spcr(bool enable_earlycon, bool enable_console); 1290 #else 1291 static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console) 1292 { 1293 return 0; 1294 } 1295 #endif 1296 1297 #if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI) 1298 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res); 1299 #else 1300 static inline 1301 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res) 1302 { 1303 return -EINVAL; 1304 } 1305 #endif 1306 1307 #ifdef CONFIG_ACPI_LPIT 1308 int lpit_read_residency_count_address(u64 *address); 1309 #else 1310 static inline int lpit_read_residency_count_address(u64 *address) 1311 { 1312 return -EINVAL; 1313 } 1314 #endif 1315 1316 #ifdef CONFIG_ACPI_PPTT 1317 int find_acpi_cpu_topology(unsigned int cpu, int level); 1318 int find_acpi_cpu_topology_package(unsigned int cpu); 1319 int find_acpi_cpu_cache_topology(unsigned int cpu, int level); 1320 #else 1321 static inline int find_acpi_cpu_topology(unsigned int cpu, int level) 1322 { 1323 return -EINVAL; 1324 } 1325 static inline int find_acpi_cpu_topology_package(unsigned int cpu) 1326 { 1327 return -EINVAL; 1328 } 1329 static inline int find_acpi_cpu_cache_topology(unsigned int cpu, int level) 1330 { 1331 return -EINVAL; 1332 } 1333 #endif 1334 1335 #ifdef CONFIG_ACPI 1336 extern int acpi_platform_notify(struct device *dev, enum kobject_action action); 1337 #else 1338 static inline int 1339 acpi_platform_notify(struct device *dev, enum kobject_action action) 1340 { 1341 return 0; 1342 } 1343 #endif 1344 1345 #endif /*_LINUX_ACPI_H*/ 1346