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 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 21 * 22 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 23 */ 24 25 #ifndef _LINUX_ACPI_H 26 #define _LINUX_ACPI_H 27 28 #include <linux/errno.h> 29 #include <linux/ioport.h> /* for struct resource */ 30 #include <linux/device.h> 31 #include <linux/property.h> 32 33 #ifndef _LINUX 34 #define _LINUX 35 #endif 36 #include <acpi/acpi.h> 37 38 #ifdef CONFIG_ACPI 39 40 #include <linux/list.h> 41 #include <linux/mod_devicetable.h> 42 #include <linux/dynamic_debug.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) ((dev)->acpi_node.companion) 56 #define ACPI_COMPANION_SET(dev, adev) ACPI_COMPANION(dev) = (adev) 57 #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev)) 58 59 static inline void acpi_preset_companion(struct device *dev, 60 struct acpi_device *parent, u64 addr) 61 { 62 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL)); 63 } 64 65 static inline const char *acpi_dev_name(struct acpi_device *adev) 66 { 67 return dev_name(&adev->dev); 68 } 69 70 enum acpi_irq_model_id { 71 ACPI_IRQ_MODEL_PIC = 0, 72 ACPI_IRQ_MODEL_IOAPIC, 73 ACPI_IRQ_MODEL_IOSAPIC, 74 ACPI_IRQ_MODEL_PLATFORM, 75 ACPI_IRQ_MODEL_COUNT 76 }; 77 78 extern enum acpi_irq_model_id acpi_irq_model; 79 80 enum acpi_interrupt_id { 81 ACPI_INTERRUPT_PMI = 1, 82 ACPI_INTERRUPT_INIT, 83 ACPI_INTERRUPT_CPEI, 84 ACPI_INTERRUPT_COUNT 85 }; 86 87 #define ACPI_SPACE_MEM 0 88 89 enum acpi_address_range_id { 90 ACPI_ADDRESS_RANGE_MEMORY = 1, 91 ACPI_ADDRESS_RANGE_RESERVED = 2, 92 ACPI_ADDRESS_RANGE_ACPI = 3, 93 ACPI_ADDRESS_RANGE_NVS = 4, 94 ACPI_ADDRESS_RANGE_COUNT 95 }; 96 97 98 /* Table Handlers */ 99 100 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table); 101 102 typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header, 103 const unsigned long end); 104 105 #ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE 106 void acpi_initrd_override(void *data, size_t size); 107 #else 108 static inline void acpi_initrd_override(void *data, size_t size) 109 { 110 } 111 #endif 112 113 #define BAD_MADT_ENTRY(entry, end) ( \ 114 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \ 115 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry)) 116 117 char * __acpi_map_table (unsigned long phys_addr, unsigned long size); 118 void __acpi_unmap_table(char *map, unsigned long size); 119 int early_acpi_boot_init(void); 120 int acpi_boot_init (void); 121 void acpi_boot_table_init (void); 122 int acpi_mps_check (void); 123 int acpi_numa_init (void); 124 125 int acpi_table_init (void); 126 int acpi_table_parse(char *id, acpi_tbl_table_handler handler); 127 int __init acpi_parse_entries(char *id, unsigned long table_size, 128 acpi_tbl_entry_handler handler, 129 struct acpi_table_header *table_header, 130 int entry_id, unsigned int max_entries); 131 int __init acpi_table_parse_entries(char *id, unsigned long table_size, 132 int entry_id, 133 acpi_tbl_entry_handler handler, 134 unsigned int max_entries); 135 int acpi_table_parse_madt(enum acpi_madt_type id, 136 acpi_tbl_entry_handler handler, 137 unsigned int max_entries); 138 int acpi_parse_mcfg (struct acpi_table_header *header); 139 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); 140 141 /* the following four functions are architecture-dependent */ 142 void acpi_numa_slit_init (struct acpi_table_slit *slit); 143 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); 144 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); 145 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma); 146 void acpi_numa_arch_fixup(void); 147 148 #ifdef CONFIG_ACPI_HOTPLUG_CPU 149 /* Arch dependent functions for cpu hotplug support */ 150 int acpi_map_cpu(acpi_handle handle, int physid, int *pcpu); 151 int acpi_unmap_cpu(int cpu); 152 #endif /* CONFIG_ACPI_HOTPLUG_CPU */ 153 154 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); 155 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); 156 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base); 157 void acpi_irq_stats_init(void); 158 extern u32 acpi_irq_handled; 159 extern u32 acpi_irq_not_handled; 160 161 extern int sbf_port; 162 extern unsigned long acpi_realmode_flags; 163 164 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); 165 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 166 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); 167 168 #ifdef CONFIG_X86_IO_APIC 169 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); 170 #else 171 #define acpi_get_override_irq(gsi, trigger, polarity) (-1) 172 #endif 173 /* 174 * This function undoes the effect of one call to acpi_register_gsi(). 175 * If this matches the last registration, any IRQ resources for gsi 176 * are freed. 177 */ 178 void acpi_unregister_gsi (u32 gsi); 179 180 struct pci_dev; 181 182 int acpi_pci_irq_enable (struct pci_dev *dev); 183 void acpi_penalize_isa_irq(int irq, int active); 184 185 void acpi_pci_irq_disable (struct pci_dev *dev); 186 187 extern int ec_read(u8 addr, u8 *val); 188 extern int ec_write(u8 addr, u8 val); 189 extern int ec_transaction(u8 command, 190 const u8 *wdata, unsigned wdata_len, 191 u8 *rdata, unsigned rdata_len); 192 extern acpi_handle ec_get_handle(void); 193 194 extern bool acpi_is_pnp_device(struct acpi_device *); 195 196 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 197 198 typedef void (*wmi_notify_handler) (u32 value, void *context); 199 200 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 201 u32 method_id, 202 const struct acpi_buffer *in, 203 struct acpi_buffer *out); 204 extern acpi_status wmi_query_block(const char *guid, u8 instance, 205 struct acpi_buffer *out); 206 extern acpi_status wmi_set_block(const char *guid, u8 instance, 207 const struct acpi_buffer *in); 208 extern acpi_status wmi_install_notify_handler(const char *guid, 209 wmi_notify_handler handler, void *data); 210 extern acpi_status wmi_remove_notify_handler(const char *guid); 211 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); 212 extern bool wmi_has_guid(const char *guid); 213 214 #endif /* CONFIG_ACPI_WMI */ 215 216 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 217 #define ACPI_VIDEO_DEVICE_POSTING 0x0002 218 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004 219 #define ACPI_VIDEO_BACKLIGHT 0x0008 220 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 221 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 222 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 223 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 224 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 225 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 226 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 227 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 228 229 #if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) 230 231 extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle); 232 extern long acpi_is_video_device(acpi_handle handle); 233 extern void acpi_video_dmi_promote_vendor(void); 234 extern void acpi_video_dmi_demote_vendor(void); 235 extern int acpi_video_backlight_support(void); 236 extern int acpi_video_display_switch_support(void); 237 238 #else 239 240 static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle) 241 { 242 return 0; 243 } 244 245 static inline long acpi_is_video_device(acpi_handle handle) 246 { 247 return 0; 248 } 249 250 static inline void acpi_video_dmi_promote_vendor(void) 251 { 252 } 253 254 static inline void acpi_video_dmi_demote_vendor(void) 255 { 256 } 257 258 static inline int acpi_video_backlight_support(void) 259 { 260 return 0; 261 } 262 263 static inline int acpi_video_display_switch_support(void) 264 { 265 return 0; 266 } 267 268 #endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */ 269 270 extern int acpi_blacklisted(void); 271 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d); 272 extern void acpi_osi_setup(char *str); 273 274 #ifdef CONFIG_ACPI_NUMA 275 int acpi_get_node(acpi_handle handle); 276 #else 277 static inline int acpi_get_node(acpi_handle handle) 278 { 279 return 0; 280 } 281 #endif 282 extern int acpi_paddr_to_node(u64 start_addr, u64 size); 283 284 extern int pnpacpi_disabled; 285 286 #define PXM_INVAL (-1) 287 288 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res); 289 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res); 290 bool acpi_dev_resource_address_space(struct acpi_resource *ares, 291 struct resource *res); 292 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, 293 struct resource *res); 294 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable); 295 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, 296 struct resource *res); 297 298 struct resource_list_entry { 299 struct list_head node; 300 struct resource res; 301 }; 302 303 void acpi_dev_free_resource_list(struct list_head *list); 304 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, 305 int (*preproc)(struct acpi_resource *, void *), 306 void *preproc_data); 307 308 int acpi_check_resource_conflict(const struct resource *res); 309 310 int acpi_check_region(resource_size_t start, resource_size_t n, 311 const char *name); 312 313 int acpi_resources_are_enforced(void); 314 315 #ifdef CONFIG_HIBERNATION 316 void __init acpi_no_s4_hw_signature(void); 317 #endif 318 319 #ifdef CONFIG_PM_SLEEP 320 void __init acpi_old_suspend_ordering(void); 321 void __init acpi_nvs_nosave(void); 322 void __init acpi_nvs_nosave_s3(void); 323 #endif /* CONFIG_PM_SLEEP */ 324 325 struct acpi_osc_context { 326 char *uuid_str; /* UUID string */ 327 int rev; 328 struct acpi_buffer cap; /* list of DWORD capabilities */ 329 struct acpi_buffer ret; /* free by caller if success */ 330 }; 331 332 acpi_status acpi_str_to_uuid(char *str, u8 *uuid); 333 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); 334 335 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */ 336 #define OSC_QUERY_DWORD 0 /* DWORD 1 */ 337 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */ 338 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */ 339 340 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */ 341 #define OSC_QUERY_ENABLE 0x00000001 /* input */ 342 #define OSC_REQUEST_ERROR 0x00000002 /* return */ 343 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */ 344 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */ 345 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */ 346 347 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */ 348 #define OSC_SB_PAD_SUPPORT 0x00000001 349 #define OSC_SB_PPC_OST_SUPPORT 0x00000002 350 #define OSC_SB_PR3_SUPPORT 0x00000004 351 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008 352 #define OSC_SB_APEI_SUPPORT 0x00000010 353 #define OSC_SB_CPC_SUPPORT 0x00000020 354 355 extern bool osc_sb_apei_support_acked; 356 357 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */ 358 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001 359 #define OSC_PCI_ASPM_SUPPORT 0x00000002 360 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004 361 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008 362 #define OSC_PCI_MSI_SUPPORT 0x00000010 363 #define OSC_PCI_SUPPORT_MASKS 0x0000001f 364 365 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */ 366 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001 367 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002 368 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004 369 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008 370 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010 371 #define OSC_PCI_CONTROL_MASKS 0x0000001f 372 373 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002 374 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004 375 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006 376 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008 377 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A 378 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B 379 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C 380 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D 381 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E 382 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F 383 384 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle, 385 u32 *mask, u32 req); 386 387 /* Enable _OST when all relevant hotplug operations are enabled */ 388 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ 389 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \ 390 defined(CONFIG_ACPI_CONTAINER) 391 #define ACPI_HOTPLUG_OST 392 #endif 393 394 /* _OST Source Event Code (OSPM Action) */ 395 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100 396 #define ACPI_OST_EC_OSPM_EJECT 0x103 397 #define ACPI_OST_EC_OSPM_INSERTION 0x200 398 399 /* _OST General Processing Status Code */ 400 #define ACPI_OST_SC_SUCCESS 0x0 401 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1 402 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2 403 404 /* _OST OS Shutdown Processing (0x100) Status Code */ 405 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80 406 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81 407 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82 408 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83 409 410 /* _OST Ejection Request (0x3, 0x103) Status Code */ 411 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80 412 #define ACPI_OST_SC_DEVICE_IN_USE 0x81 413 #define ACPI_OST_SC_DEVICE_BUSY 0x82 414 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83 415 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84 416 417 /* _OST Insertion Request (0x200) Status Code */ 418 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80 419 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 420 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 421 422 extern void acpi_early_init(void); 423 424 extern int acpi_nvs_register(__u64 start, __u64 size); 425 426 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 427 void *data); 428 429 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, 430 const struct device *dev); 431 432 extern bool acpi_driver_match_device(struct device *dev, 433 const struct device_driver *drv); 434 int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *); 435 int acpi_device_modalias(struct device *, char *, int); 436 void acpi_walk_dep_device_list(acpi_handle handle); 437 438 struct platform_device *acpi_create_platform_device(struct acpi_device *); 439 #define ACPI_PTR(_ptr) (_ptr) 440 441 #else /* !CONFIG_ACPI */ 442 443 #define acpi_disabled 1 444 445 #define ACPI_COMPANION(dev) (NULL) 446 #define ACPI_COMPANION_SET(dev, adev) do { } while (0) 447 #define ACPI_HANDLE(dev) (NULL) 448 449 struct fwnode_handle; 450 451 static inline bool is_acpi_node(struct fwnode_handle *fwnode) 452 { 453 return false; 454 } 455 456 static inline struct acpi_device *acpi_node(struct fwnode_handle *fwnode) 457 { 458 return NULL; 459 } 460 461 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) 462 { 463 return NULL; 464 } 465 466 static inline const char *acpi_dev_name(struct acpi_device *adev) 467 { 468 return NULL; 469 } 470 471 static inline void acpi_early_init(void) { } 472 473 static inline int early_acpi_boot_init(void) 474 { 475 return 0; 476 } 477 static inline int acpi_boot_init(void) 478 { 479 return 0; 480 } 481 482 static inline void acpi_boot_table_init(void) 483 { 484 return; 485 } 486 487 static inline int acpi_mps_check(void) 488 { 489 return 0; 490 } 491 492 static inline int acpi_check_resource_conflict(struct resource *res) 493 { 494 return 0; 495 } 496 497 static inline int acpi_check_region(resource_size_t start, resource_size_t n, 498 const char *name) 499 { 500 return 0; 501 } 502 503 struct acpi_table_header; 504 static inline int acpi_table_parse(char *id, 505 int (*handler)(struct acpi_table_header *)) 506 { 507 return -ENODEV; 508 } 509 510 static inline int acpi_nvs_register(__u64 start, __u64 size) 511 { 512 return 0; 513 } 514 515 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 516 void *data) 517 { 518 return 0; 519 } 520 521 struct acpi_device_id; 522 523 static inline const struct acpi_device_id *acpi_match_device( 524 const struct acpi_device_id *ids, const struct device *dev) 525 { 526 return NULL; 527 } 528 529 static inline bool acpi_driver_match_device(struct device *dev, 530 const struct device_driver *drv) 531 { 532 return false; 533 } 534 535 static inline int acpi_device_uevent_modalias(struct device *dev, 536 struct kobj_uevent_env *env) 537 { 538 return -ENODEV; 539 } 540 541 static inline int acpi_device_modalias(struct device *dev, 542 char *buf, int size) 543 { 544 return -ENODEV; 545 } 546 547 #define ACPI_PTR(_ptr) (NULL) 548 549 #endif /* !CONFIG_ACPI */ 550 551 #ifdef CONFIG_ACPI 552 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, 553 u32 pm1a_ctrl, u32 pm1b_ctrl)); 554 555 acpi_status acpi_os_prepare_sleep(u8 sleep_state, 556 u32 pm1a_control, u32 pm1b_control); 557 558 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, 559 u32 val_a, u32 val_b)); 560 561 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, 562 u32 val_a, u32 val_b); 563 564 #ifdef CONFIG_X86 565 void arch_reserve_mem_area(acpi_physical_address addr, size_t size); 566 #else 567 static inline void arch_reserve_mem_area(acpi_physical_address addr, 568 size_t size) 569 { 570 } 571 #endif /* CONFIG_X86 */ 572 #else 573 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) 574 #endif 575 576 #if defined(CONFIG_ACPI) && defined(CONFIG_PM) 577 int acpi_dev_runtime_suspend(struct device *dev); 578 int acpi_dev_runtime_resume(struct device *dev); 579 int acpi_subsys_runtime_suspend(struct device *dev); 580 int acpi_subsys_runtime_resume(struct device *dev); 581 struct acpi_device *acpi_dev_pm_get_node(struct device *dev); 582 int acpi_dev_pm_attach(struct device *dev, bool power_on); 583 #else 584 static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; } 585 static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; } 586 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } 587 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } 588 static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev) 589 { 590 return NULL; 591 } 592 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) 593 { 594 return -ENODEV; 595 } 596 #endif 597 598 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) 599 int acpi_dev_suspend_late(struct device *dev); 600 int acpi_dev_resume_early(struct device *dev); 601 int acpi_subsys_prepare(struct device *dev); 602 void acpi_subsys_complete(struct device *dev); 603 int acpi_subsys_suspend_late(struct device *dev); 604 int acpi_subsys_resume_early(struct device *dev); 605 int acpi_subsys_suspend(struct device *dev); 606 int acpi_subsys_freeze(struct device *dev); 607 #else 608 static inline int acpi_dev_suspend_late(struct device *dev) { return 0; } 609 static inline int acpi_dev_resume_early(struct device *dev) { return 0; } 610 static inline int acpi_subsys_prepare(struct device *dev) { return 0; } 611 static inline void acpi_subsys_complete(struct device *dev) {} 612 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } 613 static inline int acpi_subsys_resume_early(struct device *dev) { return 0; } 614 static inline int acpi_subsys_suspend(struct device *dev) { return 0; } 615 static inline int acpi_subsys_freeze(struct device *dev) { return 0; } 616 #endif 617 618 #ifdef CONFIG_ACPI 619 __printf(3, 4) 620 void acpi_handle_printk(const char *level, acpi_handle handle, 621 const char *fmt, ...); 622 #else /* !CONFIG_ACPI */ 623 static inline __printf(3, 4) void 624 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} 625 #endif /* !CONFIG_ACPI */ 626 627 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) 628 __printf(3, 4) 629 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); 630 #else 631 #define __acpi_handle_debug(descriptor, handle, fmt, ...) \ 632 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); 633 #endif 634 635 /* 636 * acpi_handle_<level>: Print message with ACPI prefix and object path 637 * 638 * These interfaces acquire the global namespace mutex to obtain an object 639 * path. In interrupt context, it shows the object path as <n/a>. 640 */ 641 #define acpi_handle_emerg(handle, fmt, ...) \ 642 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) 643 #define acpi_handle_alert(handle, fmt, ...) \ 644 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) 645 #define acpi_handle_crit(handle, fmt, ...) \ 646 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) 647 #define acpi_handle_err(handle, fmt, ...) \ 648 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) 649 #define acpi_handle_warn(handle, fmt, ...) \ 650 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) 651 #define acpi_handle_notice(handle, fmt, ...) \ 652 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) 653 #define acpi_handle_info(handle, fmt, ...) \ 654 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) 655 656 #if defined(DEBUG) 657 #define acpi_handle_debug(handle, fmt, ...) \ 658 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) 659 #else 660 #if defined(CONFIG_DYNAMIC_DEBUG) 661 #define acpi_handle_debug(handle, fmt, ...) \ 662 do { \ 663 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \ 664 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \ 665 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \ 666 ##__VA_ARGS__); \ 667 } while (0) 668 #else 669 #define acpi_handle_debug(handle, fmt, ...) \ 670 ({ \ 671 if (0) \ 672 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ 673 0; \ 674 }) 675 #endif 676 #endif 677 678 struct acpi_gpio_params { 679 unsigned int crs_entry_index; 680 unsigned int line_index; 681 bool active_low; 682 }; 683 684 struct acpi_gpio_mapping { 685 const char *name; 686 const struct acpi_gpio_params *data; 687 unsigned int size; 688 }; 689 690 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) 691 int acpi_dev_add_driver_gpios(struct acpi_device *adev, 692 const struct acpi_gpio_mapping *gpios); 693 694 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) 695 { 696 if (adev) 697 adev->driver_gpios = NULL; 698 } 699 #else 700 static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev, 701 const struct acpi_gpio_mapping *gpios) 702 { 703 return -ENXIO; 704 } 705 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {} 706 #endif 707 708 /* Device properties */ 709 710 #define MAX_ACPI_REFERENCE_ARGS 8 711 struct acpi_reference_args { 712 struct acpi_device *adev; 713 size_t nargs; 714 u64 args[MAX_ACPI_REFERENCE_ARGS]; 715 }; 716 717 #ifdef CONFIG_ACPI 718 int acpi_dev_get_property(struct acpi_device *adev, const char *name, 719 acpi_object_type type, const union acpi_object **obj); 720 int acpi_dev_get_property_array(struct acpi_device *adev, const char *name, 721 acpi_object_type type, 722 const union acpi_object **obj); 723 int acpi_dev_get_property_reference(struct acpi_device *adev, 724 const char *name, size_t index, 725 struct acpi_reference_args *args); 726 727 int acpi_dev_prop_get(struct acpi_device *adev, const char *propname, 728 void **valptr); 729 int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname, 730 enum dev_prop_type proptype, void *val); 731 int acpi_dev_prop_read(struct acpi_device *adev, const char *propname, 732 enum dev_prop_type proptype, void *val, size_t nval); 733 734 struct acpi_device *acpi_get_next_child(struct device *dev, 735 struct acpi_device *child); 736 #else 737 static inline int acpi_dev_get_property(struct acpi_device *adev, 738 const char *name, acpi_object_type type, 739 const union acpi_object **obj) 740 { 741 return -ENXIO; 742 } 743 static inline int acpi_dev_get_property_array(struct acpi_device *adev, 744 const char *name, 745 acpi_object_type type, 746 const union acpi_object **obj) 747 { 748 return -ENXIO; 749 } 750 static inline int acpi_dev_get_property_reference(struct acpi_device *adev, 751 const char *name, const char *cells_name, 752 size_t index, struct acpi_reference_args *args) 753 { 754 return -ENXIO; 755 } 756 757 static inline int acpi_dev_prop_get(struct acpi_device *adev, 758 const char *propname, 759 void **valptr) 760 { 761 return -ENXIO; 762 } 763 764 static inline int acpi_dev_prop_read_single(struct acpi_device *adev, 765 const char *propname, 766 enum dev_prop_type proptype, 767 void *val) 768 { 769 return -ENXIO; 770 } 771 772 static inline int acpi_dev_prop_read(struct acpi_device *adev, 773 const char *propname, 774 enum dev_prop_type proptype, 775 void *val, size_t nval) 776 { 777 return -ENXIO; 778 } 779 780 static inline struct acpi_device *acpi_get_next_child(struct device *dev, 781 struct acpi_device *child) 782 { 783 return NULL; 784 } 785 786 #endif 787 788 #endif /*_LINUX_ACPI_H*/ 789