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