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 30 #ifndef _LINUX 31 #define _LINUX 32 #endif 33 #include <acpi/acpi.h> 34 35 #ifdef CONFIG_ACPI 36 37 #include <linux/list.h> 38 #include <linux/mod_devicetable.h> 39 #include <linux/dynamic_debug.h> 40 41 #include <acpi/acpi_bus.h> 42 #include <acpi/acpi_drivers.h> 43 #include <acpi/acpi_numa.h> 44 #include <acpi/acpi_io.h> 45 #include <asm/acpi.h> 46 47 static inline acpi_handle acpi_device_handle(struct acpi_device *adev) 48 { 49 return adev ? adev->handle : NULL; 50 } 51 52 #define ACPI_COMPANION(dev) to_acpi_node((dev)->fwnode) 53 #define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \ 54 acpi_fwnode_handle(adev) : NULL) 55 #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev)) 56 57 /** 58 * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with 59 * the PCI-defined class-code information 60 * 61 * @_cls : the class, subclass, prog-if triple for this device 62 * @_msk : the class mask for this device 63 * 64 * This macro is used to create a struct acpi_device_id that matches a 65 * specific PCI class. The .id and .driver_data fields will be left 66 * initialized with the default value. 67 */ 68 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (_cls), .cls_msk = (_msk), 69 70 static inline bool has_acpi_companion(struct device *dev) 71 { 72 return is_acpi_node(dev->fwnode); 73 } 74 75 static inline void acpi_preset_companion(struct device *dev, 76 struct acpi_device *parent, u64 addr) 77 { 78 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL)); 79 } 80 81 static inline const char *acpi_dev_name(struct acpi_device *adev) 82 { 83 return dev_name(&adev->dev); 84 } 85 86 enum acpi_irq_model_id { 87 ACPI_IRQ_MODEL_PIC = 0, 88 ACPI_IRQ_MODEL_IOAPIC, 89 ACPI_IRQ_MODEL_IOSAPIC, 90 ACPI_IRQ_MODEL_PLATFORM, 91 ACPI_IRQ_MODEL_GIC, 92 ACPI_IRQ_MODEL_COUNT 93 }; 94 95 extern enum acpi_irq_model_id acpi_irq_model; 96 97 enum acpi_interrupt_id { 98 ACPI_INTERRUPT_PMI = 1, 99 ACPI_INTERRUPT_INIT, 100 ACPI_INTERRUPT_CPEI, 101 ACPI_INTERRUPT_COUNT 102 }; 103 104 #define ACPI_SPACE_MEM 0 105 106 enum acpi_address_range_id { 107 ACPI_ADDRESS_RANGE_MEMORY = 1, 108 ACPI_ADDRESS_RANGE_RESERVED = 2, 109 ACPI_ADDRESS_RANGE_ACPI = 3, 110 ACPI_ADDRESS_RANGE_NVS = 4, 111 ACPI_ADDRESS_RANGE_COUNT 112 }; 113 114 115 /* Table Handlers */ 116 117 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table); 118 119 typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header, 120 const unsigned long end); 121 122 #ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE 123 void acpi_initrd_override(void *data, size_t size); 124 #else 125 static inline void acpi_initrd_override(void *data, size_t size) 126 { 127 } 128 #endif 129 130 #define BAD_MADT_ENTRY(entry, end) ( \ 131 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \ 132 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry)) 133 134 char * __acpi_map_table (unsigned long phys_addr, unsigned long size); 135 void __acpi_unmap_table(char *map, unsigned long size); 136 int early_acpi_boot_init(void); 137 int acpi_boot_init (void); 138 void acpi_boot_table_init (void); 139 int acpi_mps_check (void); 140 int acpi_numa_init (void); 141 142 int acpi_table_init (void); 143 int acpi_table_parse(char *id, acpi_tbl_table_handler handler); 144 int __init acpi_parse_entries(char *id, unsigned long table_size, 145 acpi_tbl_entry_handler handler, 146 struct acpi_table_header *table_header, 147 int entry_id, unsigned int max_entries); 148 int __init acpi_table_parse_entries(char *id, unsigned long table_size, 149 int entry_id, 150 acpi_tbl_entry_handler handler, 151 unsigned int max_entries); 152 int acpi_table_parse_madt(enum acpi_madt_type id, 153 acpi_tbl_entry_handler handler, 154 unsigned int max_entries); 155 int acpi_parse_mcfg (struct acpi_table_header *header); 156 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); 157 158 /* the following four functions are architecture-dependent */ 159 void acpi_numa_slit_init (struct acpi_table_slit *slit); 160 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); 161 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); 162 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma); 163 void acpi_numa_arch_fixup(void); 164 165 #ifndef PHYS_CPUID_INVALID 166 typedef u32 phys_cpuid_t; 167 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1) 168 #endif 169 170 static inline bool invalid_logical_cpuid(u32 cpuid) 171 { 172 return (int)cpuid < 0; 173 } 174 175 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id) 176 { 177 return phys_id == PHYS_CPUID_INVALID; 178 } 179 180 #ifdef CONFIG_ACPI_HOTPLUG_CPU 181 /* Arch dependent functions for cpu hotplug support */ 182 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, int *pcpu); 183 int acpi_unmap_cpu(int cpu); 184 #endif /* CONFIG_ACPI_HOTPLUG_CPU */ 185 186 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 187 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr); 188 #endif 189 190 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); 191 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); 192 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base); 193 void acpi_irq_stats_init(void); 194 extern u32 acpi_irq_handled; 195 extern u32 acpi_irq_not_handled; 196 197 extern int sbf_port; 198 extern unsigned long acpi_realmode_flags; 199 200 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); 201 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 202 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); 203 204 #ifdef CONFIG_X86_IO_APIC 205 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); 206 #else 207 #define acpi_get_override_irq(gsi, trigger, polarity) (-1) 208 #endif 209 /* 210 * This function undoes the effect of one call to acpi_register_gsi(). 211 * If this matches the last registration, any IRQ resources for gsi 212 * are freed. 213 */ 214 void acpi_unregister_gsi (u32 gsi); 215 216 struct pci_dev; 217 218 int acpi_pci_irq_enable (struct pci_dev *dev); 219 void acpi_penalize_isa_irq(int irq, int active); 220 bool acpi_isa_irq_available(int irq); 221 void acpi_penalize_sci_irq(int irq, int trigger, int polarity); 222 void acpi_pci_irq_disable (struct pci_dev *dev); 223 224 extern int ec_read(u8 addr, u8 *val); 225 extern int ec_write(u8 addr, u8 val); 226 extern int ec_transaction(u8 command, 227 const u8 *wdata, unsigned wdata_len, 228 u8 *rdata, unsigned rdata_len); 229 extern acpi_handle ec_get_handle(void); 230 231 extern bool acpi_is_pnp_device(struct acpi_device *); 232 233 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 234 235 typedef void (*wmi_notify_handler) (u32 value, void *context); 236 237 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 238 u32 method_id, 239 const struct acpi_buffer *in, 240 struct acpi_buffer *out); 241 extern acpi_status wmi_query_block(const char *guid, u8 instance, 242 struct acpi_buffer *out); 243 extern acpi_status wmi_set_block(const char *guid, u8 instance, 244 const struct acpi_buffer *in); 245 extern acpi_status wmi_install_notify_handler(const char *guid, 246 wmi_notify_handler handler, void *data); 247 extern acpi_status wmi_remove_notify_handler(const char *guid); 248 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); 249 extern bool wmi_has_guid(const char *guid); 250 251 #endif /* CONFIG_ACPI_WMI */ 252 253 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 254 #define ACPI_VIDEO_DEVICE_POSTING 0x0002 255 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004 256 #define ACPI_VIDEO_BACKLIGHT 0x0008 257 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 258 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 259 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 260 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 261 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 262 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 263 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 264 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 265 266 extern char acpi_video_backlight_string[]; 267 extern long acpi_is_video_device(acpi_handle handle); 268 extern int acpi_blacklisted(void); 269 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d); 270 extern void acpi_osi_setup(char *str); 271 extern bool acpi_osi_is_win8(void); 272 273 #ifdef CONFIG_ACPI_NUMA 274 int acpi_map_pxm_to_online_node(int pxm); 275 int acpi_get_node(acpi_handle handle); 276 #else 277 static inline int acpi_map_pxm_to_online_node(int pxm) 278 { 279 return 0; 280 } 281 static inline int acpi_get_node(acpi_handle handle) 282 { 283 return 0; 284 } 285 #endif 286 extern int acpi_paddr_to_node(u64 start_addr, u64 size); 287 288 extern int pnpacpi_disabled; 289 290 #define PXM_INVAL (-1) 291 292 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res); 293 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res); 294 bool acpi_dev_resource_address_space(struct acpi_resource *ares, 295 struct resource_win *win); 296 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, 297 struct resource_win *win); 298 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable); 299 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, 300 struct resource *res); 301 302 void acpi_dev_free_resource_list(struct list_head *list); 303 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, 304 int (*preproc)(struct acpi_resource *, void *), 305 void *preproc_data); 306 int acpi_dev_filter_resource_type(struct acpi_resource *ares, 307 unsigned long types); 308 309 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares, 310 void *arg) 311 { 312 return acpi_dev_filter_resource_type(ares, (unsigned long)arg); 313 } 314 315 int acpi_check_resource_conflict(const struct resource *res); 316 317 int acpi_check_region(resource_size_t start, resource_size_t n, 318 const char *name); 319 320 int acpi_resources_are_enforced(void); 321 322 #ifdef CONFIG_HIBERNATION 323 void __init acpi_no_s4_hw_signature(void); 324 #endif 325 326 #ifdef CONFIG_PM_SLEEP 327 void __init acpi_old_suspend_ordering(void); 328 void __init acpi_nvs_nosave(void); 329 void __init acpi_nvs_nosave_s3(void); 330 #endif /* CONFIG_PM_SLEEP */ 331 332 struct acpi_osc_context { 333 char *uuid_str; /* UUID string */ 334 int rev; 335 struct acpi_buffer cap; /* list of DWORD capabilities */ 336 struct acpi_buffer ret; /* free by caller if success */ 337 }; 338 339 acpi_status acpi_str_to_uuid(char *str, u8 *uuid); 340 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); 341 342 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */ 343 #define OSC_QUERY_DWORD 0 /* DWORD 1 */ 344 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */ 345 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */ 346 347 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */ 348 #define OSC_QUERY_ENABLE 0x00000001 /* input */ 349 #define OSC_REQUEST_ERROR 0x00000002 /* return */ 350 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */ 351 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */ 352 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */ 353 354 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */ 355 #define OSC_SB_PAD_SUPPORT 0x00000001 356 #define OSC_SB_PPC_OST_SUPPORT 0x00000002 357 #define OSC_SB_PR3_SUPPORT 0x00000004 358 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008 359 #define OSC_SB_APEI_SUPPORT 0x00000010 360 #define OSC_SB_CPC_SUPPORT 0x00000020 361 362 extern bool osc_sb_apei_support_acked; 363 364 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */ 365 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001 366 #define OSC_PCI_ASPM_SUPPORT 0x00000002 367 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004 368 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008 369 #define OSC_PCI_MSI_SUPPORT 0x00000010 370 #define OSC_PCI_SUPPORT_MASKS 0x0000001f 371 372 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */ 373 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001 374 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002 375 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004 376 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008 377 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010 378 #define OSC_PCI_CONTROL_MASKS 0x0000001f 379 380 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002 381 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004 382 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006 383 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008 384 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A 385 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B 386 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C 387 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D 388 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E 389 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F 390 391 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle, 392 u32 *mask, u32 req); 393 394 /* Enable _OST when all relevant hotplug operations are enabled */ 395 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ 396 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \ 397 defined(CONFIG_ACPI_CONTAINER) 398 #define ACPI_HOTPLUG_OST 399 #endif 400 401 /* _OST Source Event Code (OSPM Action) */ 402 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100 403 #define ACPI_OST_EC_OSPM_EJECT 0x103 404 #define ACPI_OST_EC_OSPM_INSERTION 0x200 405 406 /* _OST General Processing Status Code */ 407 #define ACPI_OST_SC_SUCCESS 0x0 408 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1 409 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2 410 411 /* _OST OS Shutdown Processing (0x100) Status Code */ 412 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80 413 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81 414 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82 415 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83 416 417 /* _OST Ejection Request (0x3, 0x103) Status Code */ 418 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80 419 #define ACPI_OST_SC_DEVICE_IN_USE 0x81 420 #define ACPI_OST_SC_DEVICE_BUSY 0x82 421 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83 422 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84 423 424 /* _OST Insertion Request (0x200) Status Code */ 425 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80 426 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 427 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 428 429 extern void acpi_early_init(void); 430 extern void acpi_subsystem_init(void); 431 432 extern int acpi_nvs_register(__u64 start, __u64 size); 433 434 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 435 void *data); 436 437 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, 438 const struct device *dev); 439 440 extern bool acpi_driver_match_device(struct device *dev, 441 const struct device_driver *drv); 442 int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *); 443 int acpi_device_modalias(struct device *, char *, int); 444 void acpi_walk_dep_device_list(acpi_handle handle); 445 446 struct platform_device *acpi_create_platform_device(struct acpi_device *); 447 #define ACPI_PTR(_ptr) (_ptr) 448 449 #else /* !CONFIG_ACPI */ 450 451 #define acpi_disabled 1 452 453 #define ACPI_COMPANION(dev) (NULL) 454 #define ACPI_COMPANION_SET(dev, adev) do { } while (0) 455 #define ACPI_HANDLE(dev) (NULL) 456 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0), 457 458 struct fwnode_handle; 459 460 static inline bool is_acpi_node(struct fwnode_handle *fwnode) 461 { 462 return false; 463 } 464 465 static inline struct acpi_device *to_acpi_node(struct fwnode_handle *fwnode) 466 { 467 return NULL; 468 } 469 470 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) 471 { 472 return NULL; 473 } 474 475 static inline bool has_acpi_companion(struct device *dev) 476 { 477 return false; 478 } 479 480 static inline const char *acpi_dev_name(struct acpi_device *adev) 481 { 482 return NULL; 483 } 484 485 static inline void acpi_early_init(void) { } 486 static inline void acpi_subsystem_init(void) { } 487 488 static inline int early_acpi_boot_init(void) 489 { 490 return 0; 491 } 492 static inline int acpi_boot_init(void) 493 { 494 return 0; 495 } 496 497 static inline void acpi_boot_table_init(void) 498 { 499 return; 500 } 501 502 static inline int acpi_mps_check(void) 503 { 504 return 0; 505 } 506 507 static inline int acpi_check_resource_conflict(struct resource *res) 508 { 509 return 0; 510 } 511 512 static inline int acpi_check_region(resource_size_t start, resource_size_t n, 513 const char *name) 514 { 515 return 0; 516 } 517 518 struct acpi_table_header; 519 static inline int acpi_table_parse(char *id, 520 int (*handler)(struct acpi_table_header *)) 521 { 522 return -ENODEV; 523 } 524 525 static inline int acpi_nvs_register(__u64 start, __u64 size) 526 { 527 return 0; 528 } 529 530 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 531 void *data) 532 { 533 return 0; 534 } 535 536 struct acpi_device_id; 537 538 static inline const struct acpi_device_id *acpi_match_device( 539 const struct acpi_device_id *ids, const struct device *dev) 540 { 541 return NULL; 542 } 543 544 static inline bool acpi_driver_match_device(struct device *dev, 545 const struct device_driver *drv) 546 { 547 return false; 548 } 549 550 static inline int acpi_device_uevent_modalias(struct device *dev, 551 struct kobj_uevent_env *env) 552 { 553 return -ENODEV; 554 } 555 556 static inline int acpi_device_modalias(struct device *dev, 557 char *buf, int size) 558 { 559 return -ENODEV; 560 } 561 562 static inline bool acpi_check_dma(struct acpi_device *adev, bool *coherent) 563 { 564 return false; 565 } 566 567 #define ACPI_PTR(_ptr) (NULL) 568 569 #endif /* !CONFIG_ACPI */ 570 571 #ifdef CONFIG_ACPI 572 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, 573 u32 pm1a_ctrl, u32 pm1b_ctrl)); 574 575 acpi_status acpi_os_prepare_sleep(u8 sleep_state, 576 u32 pm1a_control, u32 pm1b_control); 577 578 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, 579 u32 val_a, u32 val_b)); 580 581 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, 582 u32 val_a, u32 val_b); 583 584 #ifdef CONFIG_X86 585 void arch_reserve_mem_area(acpi_physical_address addr, size_t size); 586 #else 587 static inline void arch_reserve_mem_area(acpi_physical_address addr, 588 size_t size) 589 { 590 } 591 #endif /* CONFIG_X86 */ 592 #else 593 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) 594 #endif 595 596 #if defined(CONFIG_ACPI) && defined(CONFIG_PM) 597 int acpi_dev_runtime_suspend(struct device *dev); 598 int acpi_dev_runtime_resume(struct device *dev); 599 int acpi_subsys_runtime_suspend(struct device *dev); 600 int acpi_subsys_runtime_resume(struct device *dev); 601 struct acpi_device *acpi_dev_pm_get_node(struct device *dev); 602 int acpi_dev_pm_attach(struct device *dev, bool power_on); 603 #else 604 static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; } 605 static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; } 606 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } 607 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } 608 static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev) 609 { 610 return NULL; 611 } 612 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) 613 { 614 return -ENODEV; 615 } 616 #endif 617 618 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) 619 int acpi_dev_suspend_late(struct device *dev); 620 int acpi_dev_resume_early(struct device *dev); 621 int acpi_subsys_prepare(struct device *dev); 622 void acpi_subsys_complete(struct device *dev); 623 int acpi_subsys_suspend_late(struct device *dev); 624 int acpi_subsys_resume_early(struct device *dev); 625 int acpi_subsys_suspend(struct device *dev); 626 int acpi_subsys_freeze(struct device *dev); 627 #else 628 static inline int acpi_dev_suspend_late(struct device *dev) { return 0; } 629 static inline int acpi_dev_resume_early(struct device *dev) { return 0; } 630 static inline int acpi_subsys_prepare(struct device *dev) { return 0; } 631 static inline void acpi_subsys_complete(struct device *dev) {} 632 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } 633 static inline int acpi_subsys_resume_early(struct device *dev) { return 0; } 634 static inline int acpi_subsys_suspend(struct device *dev) { return 0; } 635 static inline int acpi_subsys_freeze(struct device *dev) { return 0; } 636 #endif 637 638 #ifdef CONFIG_ACPI 639 __printf(3, 4) 640 void acpi_handle_printk(const char *level, acpi_handle handle, 641 const char *fmt, ...); 642 #else /* !CONFIG_ACPI */ 643 static inline __printf(3, 4) void 644 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} 645 #endif /* !CONFIG_ACPI */ 646 647 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) 648 __printf(3, 4) 649 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); 650 #else 651 #define __acpi_handle_debug(descriptor, handle, fmt, ...) \ 652 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); 653 #endif 654 655 /* 656 * acpi_handle_<level>: Print message with ACPI prefix and object path 657 * 658 * These interfaces acquire the global namespace mutex to obtain an object 659 * path. In interrupt context, it shows the object path as <n/a>. 660 */ 661 #define acpi_handle_emerg(handle, fmt, ...) \ 662 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) 663 #define acpi_handle_alert(handle, fmt, ...) \ 664 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) 665 #define acpi_handle_crit(handle, fmt, ...) \ 666 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) 667 #define acpi_handle_err(handle, fmt, ...) \ 668 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) 669 #define acpi_handle_warn(handle, fmt, ...) \ 670 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) 671 #define acpi_handle_notice(handle, fmt, ...) \ 672 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) 673 #define acpi_handle_info(handle, fmt, ...) \ 674 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) 675 676 #if defined(DEBUG) 677 #define acpi_handle_debug(handle, fmt, ...) \ 678 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) 679 #else 680 #if defined(CONFIG_DYNAMIC_DEBUG) 681 #define acpi_handle_debug(handle, fmt, ...) \ 682 do { \ 683 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \ 684 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \ 685 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \ 686 ##__VA_ARGS__); \ 687 } while (0) 688 #else 689 #define acpi_handle_debug(handle, fmt, ...) \ 690 ({ \ 691 if (0) \ 692 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ 693 0; \ 694 }) 695 #endif 696 #endif 697 698 struct acpi_gpio_params { 699 unsigned int crs_entry_index; 700 unsigned int line_index; 701 bool active_low; 702 }; 703 704 struct acpi_gpio_mapping { 705 const char *name; 706 const struct acpi_gpio_params *data; 707 unsigned int size; 708 }; 709 710 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) 711 int acpi_dev_add_driver_gpios(struct acpi_device *adev, 712 const struct acpi_gpio_mapping *gpios); 713 714 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) 715 { 716 if (adev) 717 adev->driver_gpios = NULL; 718 } 719 720 int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index); 721 #else 722 static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev, 723 const struct acpi_gpio_mapping *gpios) 724 { 725 return -ENXIO; 726 } 727 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {} 728 729 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) 730 { 731 return -ENXIO; 732 } 733 #endif 734 735 /* Device properties */ 736 737 #define MAX_ACPI_REFERENCE_ARGS 8 738 struct acpi_reference_args { 739 struct acpi_device *adev; 740 size_t nargs; 741 u64 args[MAX_ACPI_REFERENCE_ARGS]; 742 }; 743 744 #ifdef CONFIG_ACPI 745 int acpi_dev_get_property(struct acpi_device *adev, const char *name, 746 acpi_object_type type, const union acpi_object **obj); 747 int acpi_dev_get_property_array(struct acpi_device *adev, const char *name, 748 acpi_object_type type, 749 const union acpi_object **obj); 750 int acpi_dev_get_property_reference(struct acpi_device *adev, 751 const char *name, size_t index, 752 struct acpi_reference_args *args); 753 754 int acpi_dev_prop_get(struct acpi_device *adev, const char *propname, 755 void **valptr); 756 int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname, 757 enum dev_prop_type proptype, void *val); 758 int acpi_dev_prop_read(struct acpi_device *adev, const char *propname, 759 enum dev_prop_type proptype, void *val, size_t nval); 760 761 struct acpi_device *acpi_get_next_child(struct device *dev, 762 struct acpi_device *child); 763 #else 764 static inline int acpi_dev_get_property(struct acpi_device *adev, 765 const char *name, acpi_object_type type, 766 const union acpi_object **obj) 767 { 768 return -ENXIO; 769 } 770 static inline int acpi_dev_get_property_array(struct acpi_device *adev, 771 const char *name, 772 acpi_object_type type, 773 const union acpi_object **obj) 774 { 775 return -ENXIO; 776 } 777 static inline int acpi_dev_get_property_reference(struct acpi_device *adev, 778 const char *name, const char *cells_name, 779 size_t index, struct acpi_reference_args *args) 780 { 781 return -ENXIO; 782 } 783 784 static inline int acpi_dev_prop_get(struct acpi_device *adev, 785 const char *propname, 786 void **valptr) 787 { 788 return -ENXIO; 789 } 790 791 static inline int acpi_dev_prop_read_single(struct acpi_device *adev, 792 const char *propname, 793 enum dev_prop_type proptype, 794 void *val) 795 { 796 return -ENXIO; 797 } 798 799 static inline int acpi_dev_prop_read(struct acpi_device *adev, 800 const char *propname, 801 enum dev_prop_type proptype, 802 void *val, size_t nval) 803 { 804 return -ENXIO; 805 } 806 807 static inline struct acpi_device *acpi_get_next_child(struct device *dev, 808 struct acpi_device *child) 809 { 810 return NULL; 811 } 812 813 #endif 814 815 #endif /*_LINUX_ACPI_H*/ 816