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