1 /* 2 * acpi.h - ACPI Interface 3 * 4 * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> 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) to_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 /** 62 * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with 63 * the PCI-defined class-code information 64 * 65 * @_cls : the class, subclass, prog-if triple for this device 66 * @_msk : the class mask for this device 67 * 68 * This macro is used to create a struct acpi_device_id that matches a 69 * specific PCI class. The .id and .driver_data fields will be left 70 * initialized with the default value. 71 */ 72 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (_cls), .cls_msk = (_msk), 73 74 static inline bool has_acpi_companion(struct device *dev) 75 { 76 return is_acpi_node(dev->fwnode); 77 } 78 79 static inline void acpi_preset_companion(struct device *dev, 80 struct acpi_device *parent, u64 addr) 81 { 82 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL)); 83 } 84 85 static inline const char *acpi_dev_name(struct acpi_device *adev) 86 { 87 return dev_name(&adev->dev); 88 } 89 90 enum acpi_irq_model_id { 91 ACPI_IRQ_MODEL_PIC = 0, 92 ACPI_IRQ_MODEL_IOAPIC, 93 ACPI_IRQ_MODEL_IOSAPIC, 94 ACPI_IRQ_MODEL_PLATFORM, 95 ACPI_IRQ_MODEL_GIC, 96 ACPI_IRQ_MODEL_COUNT 97 }; 98 99 extern enum acpi_irq_model_id acpi_irq_model; 100 101 enum acpi_interrupt_id { 102 ACPI_INTERRUPT_PMI = 1, 103 ACPI_INTERRUPT_INIT, 104 ACPI_INTERRUPT_CPEI, 105 ACPI_INTERRUPT_COUNT 106 }; 107 108 #define ACPI_SPACE_MEM 0 109 110 enum acpi_address_range_id { 111 ACPI_ADDRESS_RANGE_MEMORY = 1, 112 ACPI_ADDRESS_RANGE_RESERVED = 2, 113 ACPI_ADDRESS_RANGE_ACPI = 3, 114 ACPI_ADDRESS_RANGE_NVS = 4, 115 ACPI_ADDRESS_RANGE_COUNT 116 }; 117 118 119 /* Table Handlers */ 120 121 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table); 122 123 typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header, 124 const unsigned long end); 125 126 #ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE 127 void acpi_initrd_override(void *data, size_t size); 128 #else 129 static inline void acpi_initrd_override(void *data, size_t size) 130 { 131 } 132 #endif 133 134 #define BAD_MADT_ENTRY(entry, end) ( \ 135 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \ 136 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry)) 137 138 char * __acpi_map_table (unsigned long phys_addr, unsigned long size); 139 void __acpi_unmap_table(char *map, unsigned long size); 140 int early_acpi_boot_init(void); 141 int acpi_boot_init (void); 142 void acpi_boot_table_init (void); 143 int acpi_mps_check (void); 144 int acpi_numa_init (void); 145 146 int acpi_table_init (void); 147 int acpi_table_parse(char *id, acpi_tbl_table_handler handler); 148 int __init acpi_parse_entries(char *id, unsigned long table_size, 149 acpi_tbl_entry_handler handler, 150 struct acpi_table_header *table_header, 151 int entry_id, unsigned int max_entries); 152 int __init acpi_table_parse_entries(char *id, unsigned long table_size, 153 int entry_id, 154 acpi_tbl_entry_handler handler, 155 unsigned int max_entries); 156 int acpi_table_parse_madt(enum acpi_madt_type id, 157 acpi_tbl_entry_handler handler, 158 unsigned int max_entries); 159 int acpi_parse_mcfg (struct acpi_table_header *header); 160 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); 161 162 /* the following four functions are architecture-dependent */ 163 void acpi_numa_slit_init (struct acpi_table_slit *slit); 164 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); 165 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); 166 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma); 167 void acpi_numa_arch_fixup(void); 168 169 #ifndef PHYS_CPUID_INVALID 170 typedef u32 phys_cpuid_t; 171 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1) 172 #endif 173 174 static inline bool invalid_logical_cpuid(u32 cpuid) 175 { 176 return (int)cpuid < 0; 177 } 178 179 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id) 180 { 181 return phys_id == PHYS_CPUID_INVALID; 182 } 183 184 #ifdef CONFIG_ACPI_HOTPLUG_CPU 185 /* Arch dependent functions for cpu hotplug support */ 186 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, int *pcpu); 187 int acpi_unmap_cpu(int cpu); 188 #endif /* CONFIG_ACPI_HOTPLUG_CPU */ 189 190 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 191 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr); 192 #endif 193 194 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); 195 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); 196 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base); 197 void acpi_irq_stats_init(void); 198 extern u32 acpi_irq_handled; 199 extern u32 acpi_irq_not_handled; 200 201 extern int sbf_port; 202 extern unsigned long acpi_realmode_flags; 203 204 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); 205 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 206 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); 207 208 #ifdef CONFIG_X86_IO_APIC 209 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); 210 #else 211 #define acpi_get_override_irq(gsi, trigger, polarity) (-1) 212 #endif 213 /* 214 * This function undoes the effect of one call to acpi_register_gsi(). 215 * If this matches the last registration, any IRQ resources for gsi 216 * are freed. 217 */ 218 void acpi_unregister_gsi (u32 gsi); 219 220 struct pci_dev; 221 222 int acpi_pci_irq_enable (struct pci_dev *dev); 223 void acpi_penalize_isa_irq(int irq, int active); 224 225 void acpi_pci_irq_disable (struct pci_dev *dev); 226 227 extern int ec_read(u8 addr, u8 *val); 228 extern int ec_write(u8 addr, u8 val); 229 extern int ec_transaction(u8 command, 230 const u8 *wdata, unsigned wdata_len, 231 u8 *rdata, unsigned rdata_len); 232 extern acpi_handle ec_get_handle(void); 233 234 extern bool acpi_is_pnp_device(struct acpi_device *); 235 236 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 237 238 typedef void (*wmi_notify_handler) (u32 value, void *context); 239 240 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 241 u32 method_id, 242 const struct acpi_buffer *in, 243 struct acpi_buffer *out); 244 extern acpi_status wmi_query_block(const char *guid, u8 instance, 245 struct acpi_buffer *out); 246 extern acpi_status wmi_set_block(const char *guid, u8 instance, 247 const struct acpi_buffer *in); 248 extern acpi_status wmi_install_notify_handler(const char *guid, 249 wmi_notify_handler handler, void *data); 250 extern acpi_status wmi_remove_notify_handler(const char *guid); 251 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); 252 extern bool wmi_has_guid(const char *guid); 253 254 #endif /* CONFIG_ACPI_WMI */ 255 256 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 257 #define ACPI_VIDEO_DEVICE_POSTING 0x0002 258 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004 259 #define ACPI_VIDEO_BACKLIGHT 0x0008 260 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 261 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 262 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 263 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 264 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 265 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 266 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 267 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 268 269 extern char acpi_video_backlight_string[]; 270 extern long acpi_is_video_device(acpi_handle handle); 271 extern int acpi_blacklisted(void); 272 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d); 273 extern void acpi_osi_setup(char *str); 274 extern bool acpi_osi_is_win8(void); 275 276 #ifdef CONFIG_ACPI_NUMA 277 int acpi_map_pxm_to_online_node(int pxm); 278 int acpi_get_node(acpi_handle handle); 279 #else 280 static inline int acpi_map_pxm_to_online_node(int pxm) 281 { 282 return 0; 283 } 284 static inline int acpi_get_node(acpi_handle handle) 285 { 286 return 0; 287 } 288 #endif 289 extern int acpi_paddr_to_node(u64 start_addr, u64 size); 290 291 extern int pnpacpi_disabled; 292 293 #define PXM_INVAL (-1) 294 295 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res); 296 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res); 297 bool acpi_dev_resource_address_space(struct acpi_resource *ares, 298 struct resource_win *win); 299 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, 300 struct resource_win *win); 301 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable); 302 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, 303 struct resource *res); 304 305 void acpi_dev_free_resource_list(struct list_head *list); 306 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, 307 int (*preproc)(struct acpi_resource *, void *), 308 void *preproc_data); 309 int acpi_dev_filter_resource_type(struct acpi_resource *ares, 310 unsigned long types); 311 312 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares, 313 void *arg) 314 { 315 return acpi_dev_filter_resource_type(ares, (unsigned long)arg); 316 } 317 318 int acpi_check_resource_conflict(const struct resource *res); 319 320 int acpi_check_region(resource_size_t start, resource_size_t n, 321 const char *name); 322 323 int acpi_resources_are_enforced(void); 324 325 #ifdef CONFIG_HIBERNATION 326 void __init acpi_no_s4_hw_signature(void); 327 #endif 328 329 #ifdef CONFIG_PM_SLEEP 330 void __init acpi_old_suspend_ordering(void); 331 void __init acpi_nvs_nosave(void); 332 void __init acpi_nvs_nosave_s3(void); 333 #endif /* CONFIG_PM_SLEEP */ 334 335 struct acpi_osc_context { 336 char *uuid_str; /* UUID string */ 337 int rev; 338 struct acpi_buffer cap; /* list of DWORD capabilities */ 339 struct acpi_buffer ret; /* free by caller if success */ 340 }; 341 342 acpi_status acpi_str_to_uuid(char *str, u8 *uuid); 343 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); 344 345 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */ 346 #define OSC_QUERY_DWORD 0 /* DWORD 1 */ 347 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */ 348 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */ 349 350 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */ 351 #define OSC_QUERY_ENABLE 0x00000001 /* input */ 352 #define OSC_REQUEST_ERROR 0x00000002 /* return */ 353 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */ 354 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */ 355 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */ 356 357 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */ 358 #define OSC_SB_PAD_SUPPORT 0x00000001 359 #define OSC_SB_PPC_OST_SUPPORT 0x00000002 360 #define OSC_SB_PR3_SUPPORT 0x00000004 361 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008 362 #define OSC_SB_APEI_SUPPORT 0x00000010 363 #define OSC_SB_CPC_SUPPORT 0x00000020 364 365 extern bool osc_sb_apei_support_acked; 366 367 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */ 368 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001 369 #define OSC_PCI_ASPM_SUPPORT 0x00000002 370 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004 371 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008 372 #define OSC_PCI_MSI_SUPPORT 0x00000010 373 #define OSC_PCI_SUPPORT_MASKS 0x0000001f 374 375 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */ 376 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001 377 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002 378 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004 379 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008 380 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010 381 #define OSC_PCI_CONTROL_MASKS 0x0000001f 382 383 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002 384 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004 385 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006 386 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008 387 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A 388 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B 389 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C 390 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D 391 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E 392 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F 393 394 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle, 395 u32 *mask, u32 req); 396 397 /* Enable _OST when all relevant hotplug operations are enabled */ 398 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ 399 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \ 400 defined(CONFIG_ACPI_CONTAINER) 401 #define ACPI_HOTPLUG_OST 402 #endif 403 404 /* _OST Source Event Code (OSPM Action) */ 405 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100 406 #define ACPI_OST_EC_OSPM_EJECT 0x103 407 #define ACPI_OST_EC_OSPM_INSERTION 0x200 408 409 /* _OST General Processing Status Code */ 410 #define ACPI_OST_SC_SUCCESS 0x0 411 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1 412 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2 413 414 /* _OST OS Shutdown Processing (0x100) Status Code */ 415 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80 416 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81 417 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82 418 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83 419 420 /* _OST Ejection Request (0x3, 0x103) Status Code */ 421 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80 422 #define ACPI_OST_SC_DEVICE_IN_USE 0x81 423 #define ACPI_OST_SC_DEVICE_BUSY 0x82 424 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83 425 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84 426 427 /* _OST Insertion Request (0x200) Status Code */ 428 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80 429 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 430 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 431 432 extern void acpi_early_init(void); 433 extern void acpi_subsystem_init(void); 434 435 extern int acpi_nvs_register(__u64 start, __u64 size); 436 437 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 438 void *data); 439 440 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, 441 const struct device *dev); 442 443 extern bool acpi_driver_match_device(struct device *dev, 444 const struct device_driver *drv); 445 int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *); 446 int acpi_device_modalias(struct device *, char *, int); 447 void acpi_walk_dep_device_list(acpi_handle handle); 448 449 struct platform_device *acpi_create_platform_device(struct acpi_device *); 450 #define ACPI_PTR(_ptr) (_ptr) 451 452 #else /* !CONFIG_ACPI */ 453 454 #define acpi_disabled 1 455 456 #define ACPI_COMPANION(dev) (NULL) 457 #define ACPI_COMPANION_SET(dev, adev) do { } while (0) 458 #define ACPI_HANDLE(dev) (NULL) 459 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0), 460 461 struct fwnode_handle; 462 463 static inline bool is_acpi_node(struct fwnode_handle *fwnode) 464 { 465 return false; 466 } 467 468 static inline struct acpi_device *to_acpi_node(struct fwnode_handle *fwnode) 469 { 470 return NULL; 471 } 472 473 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) 474 { 475 return NULL; 476 } 477 478 static inline bool has_acpi_companion(struct device *dev) 479 { 480 return false; 481 } 482 483 static inline const char *acpi_dev_name(struct acpi_device *adev) 484 { 485 return NULL; 486 } 487 488 static inline void acpi_early_init(void) { } 489 static inline void acpi_subsystem_init(void) { } 490 491 static inline int early_acpi_boot_init(void) 492 { 493 return 0; 494 } 495 static inline int acpi_boot_init(void) 496 { 497 return 0; 498 } 499 500 static inline void acpi_boot_table_init(void) 501 { 502 return; 503 } 504 505 static inline int acpi_mps_check(void) 506 { 507 return 0; 508 } 509 510 static inline int acpi_check_resource_conflict(struct resource *res) 511 { 512 return 0; 513 } 514 515 static inline int acpi_check_region(resource_size_t start, resource_size_t n, 516 const char *name) 517 { 518 return 0; 519 } 520 521 struct acpi_table_header; 522 static inline int acpi_table_parse(char *id, 523 int (*handler)(struct acpi_table_header *)) 524 { 525 return -ENODEV; 526 } 527 528 static inline int acpi_nvs_register(__u64 start, __u64 size) 529 { 530 return 0; 531 } 532 533 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 534 void *data) 535 { 536 return 0; 537 } 538 539 struct acpi_device_id; 540 541 static inline const struct acpi_device_id *acpi_match_device( 542 const struct acpi_device_id *ids, const struct device *dev) 543 { 544 return NULL; 545 } 546 547 static inline bool acpi_driver_match_device(struct device *dev, 548 const struct device_driver *drv) 549 { 550 return false; 551 } 552 553 static inline int acpi_device_uevent_modalias(struct device *dev, 554 struct kobj_uevent_env *env) 555 { 556 return -ENODEV; 557 } 558 559 static inline int acpi_device_modalias(struct device *dev, 560 char *buf, int size) 561 { 562 return -ENODEV; 563 } 564 565 static inline bool acpi_check_dma(struct acpi_device *adev, bool *coherent) 566 { 567 return false; 568 } 569 570 #define ACPI_PTR(_ptr) (NULL) 571 572 #endif /* !CONFIG_ACPI */ 573 574 #ifdef CONFIG_ACPI 575 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, 576 u32 pm1a_ctrl, u32 pm1b_ctrl)); 577 578 acpi_status acpi_os_prepare_sleep(u8 sleep_state, 579 u32 pm1a_control, u32 pm1b_control); 580 581 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, 582 u32 val_a, u32 val_b)); 583 584 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, 585 u32 val_a, u32 val_b); 586 587 #ifdef CONFIG_X86 588 void arch_reserve_mem_area(acpi_physical_address addr, size_t size); 589 #else 590 static inline void arch_reserve_mem_area(acpi_physical_address addr, 591 size_t size) 592 { 593 } 594 #endif /* CONFIG_X86 */ 595 #else 596 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) 597 #endif 598 599 #if defined(CONFIG_ACPI) && defined(CONFIG_PM) 600 int acpi_dev_runtime_suspend(struct device *dev); 601 int acpi_dev_runtime_resume(struct device *dev); 602 int acpi_subsys_runtime_suspend(struct device *dev); 603 int acpi_subsys_runtime_resume(struct device *dev); 604 struct acpi_device *acpi_dev_pm_get_node(struct device *dev); 605 int acpi_dev_pm_attach(struct device *dev, bool power_on); 606 #else 607 static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; } 608 static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; } 609 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } 610 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } 611 static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev) 612 { 613 return NULL; 614 } 615 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) 616 { 617 return -ENODEV; 618 } 619 #endif 620 621 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) 622 int acpi_dev_suspend_late(struct device *dev); 623 int acpi_dev_resume_early(struct device *dev); 624 int acpi_subsys_prepare(struct device *dev); 625 void acpi_subsys_complete(struct device *dev); 626 int acpi_subsys_suspend_late(struct device *dev); 627 int acpi_subsys_resume_early(struct device *dev); 628 int acpi_subsys_suspend(struct device *dev); 629 int acpi_subsys_freeze(struct device *dev); 630 #else 631 static inline int acpi_dev_suspend_late(struct device *dev) { return 0; } 632 static inline int acpi_dev_resume_early(struct device *dev) { return 0; } 633 static inline int acpi_subsys_prepare(struct device *dev) { return 0; } 634 static inline void acpi_subsys_complete(struct device *dev) {} 635 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } 636 static inline int acpi_subsys_resume_early(struct device *dev) { return 0; } 637 static inline int acpi_subsys_suspend(struct device *dev) { return 0; } 638 static inline int acpi_subsys_freeze(struct device *dev) { return 0; } 639 #endif 640 641 #ifdef CONFIG_ACPI 642 __printf(3, 4) 643 void acpi_handle_printk(const char *level, acpi_handle handle, 644 const char *fmt, ...); 645 #else /* !CONFIG_ACPI */ 646 static inline __printf(3, 4) void 647 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} 648 #endif /* !CONFIG_ACPI */ 649 650 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) 651 __printf(3, 4) 652 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); 653 #else 654 #define __acpi_handle_debug(descriptor, handle, fmt, ...) \ 655 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); 656 #endif 657 658 /* 659 * acpi_handle_<level>: Print message with ACPI prefix and object path 660 * 661 * These interfaces acquire the global namespace mutex to obtain an object 662 * path. In interrupt context, it shows the object path as <n/a>. 663 */ 664 #define acpi_handle_emerg(handle, fmt, ...) \ 665 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) 666 #define acpi_handle_alert(handle, fmt, ...) \ 667 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) 668 #define acpi_handle_crit(handle, fmt, ...) \ 669 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) 670 #define acpi_handle_err(handle, fmt, ...) \ 671 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) 672 #define acpi_handle_warn(handle, fmt, ...) \ 673 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) 674 #define acpi_handle_notice(handle, fmt, ...) \ 675 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) 676 #define acpi_handle_info(handle, fmt, ...) \ 677 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) 678 679 #if defined(DEBUG) 680 #define acpi_handle_debug(handle, fmt, ...) \ 681 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) 682 #else 683 #if defined(CONFIG_DYNAMIC_DEBUG) 684 #define acpi_handle_debug(handle, fmt, ...) \ 685 do { \ 686 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \ 687 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \ 688 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \ 689 ##__VA_ARGS__); \ 690 } while (0) 691 #else 692 #define acpi_handle_debug(handle, fmt, ...) \ 693 ({ \ 694 if (0) \ 695 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ 696 0; \ 697 }) 698 #endif 699 #endif 700 701 struct acpi_gpio_params { 702 unsigned int crs_entry_index; 703 unsigned int line_index; 704 bool active_low; 705 }; 706 707 struct acpi_gpio_mapping { 708 const char *name; 709 const struct acpi_gpio_params *data; 710 unsigned int size; 711 }; 712 713 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) 714 int acpi_dev_add_driver_gpios(struct acpi_device *adev, 715 const struct acpi_gpio_mapping *gpios); 716 717 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) 718 { 719 if (adev) 720 adev->driver_gpios = NULL; 721 } 722 723 int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index); 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) {} 731 732 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) 733 { 734 return -ENXIO; 735 } 736 #endif 737 738 /* Device properties */ 739 740 #define MAX_ACPI_REFERENCE_ARGS 8 741 struct acpi_reference_args { 742 struct acpi_device *adev; 743 size_t nargs; 744 u64 args[MAX_ACPI_REFERENCE_ARGS]; 745 }; 746 747 #ifdef CONFIG_ACPI 748 int acpi_dev_get_property(struct acpi_device *adev, const char *name, 749 acpi_object_type type, const union acpi_object **obj); 750 int acpi_dev_get_property_array(struct acpi_device *adev, const char *name, 751 acpi_object_type type, 752 const union acpi_object **obj); 753 int acpi_dev_get_property_reference(struct acpi_device *adev, 754 const char *name, size_t index, 755 struct acpi_reference_args *args); 756 757 int acpi_dev_prop_get(struct acpi_device *adev, const char *propname, 758 void **valptr); 759 int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname, 760 enum dev_prop_type proptype, void *val); 761 int acpi_dev_prop_read(struct acpi_device *adev, const char *propname, 762 enum dev_prop_type proptype, void *val, size_t nval); 763 764 struct acpi_device *acpi_get_next_child(struct device *dev, 765 struct acpi_device *child); 766 #else 767 static inline int acpi_dev_get_property(struct acpi_device *adev, 768 const char *name, acpi_object_type type, 769 const union acpi_object **obj) 770 { 771 return -ENXIO; 772 } 773 static inline int acpi_dev_get_property_array(struct acpi_device *adev, 774 const char *name, 775 acpi_object_type type, 776 const union acpi_object **obj) 777 { 778 return -ENXIO; 779 } 780 static inline int acpi_dev_get_property_reference(struct acpi_device *adev, 781 const char *name, const char *cells_name, 782 size_t index, struct acpi_reference_args *args) 783 { 784 return -ENXIO; 785 } 786 787 static inline int acpi_dev_prop_get(struct acpi_device *adev, 788 const char *propname, 789 void **valptr) 790 { 791 return -ENXIO; 792 } 793 794 static inline int acpi_dev_prop_read_single(struct acpi_device *adev, 795 const char *propname, 796 enum dev_prop_type proptype, 797 void *val) 798 { 799 return -ENXIO; 800 } 801 802 static inline int acpi_dev_prop_read(struct acpi_device *adev, 803 const char *propname, 804 enum dev_prop_type proptype, 805 void *val, size_t nval) 806 { 807 return -ENXIO; 808 } 809 810 static inline struct acpi_device *acpi_get_next_child(struct device *dev, 811 struct acpi_device *child) 812 { 813 return NULL; 814 } 815 816 #endif 817 818 #endif /*_LINUX_ACPI_H*/ 819