include/linux/acpi.h

   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)             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*/