root/include/linux/acpi.h

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INCLUDED FROM


DEFINITIONS

This source file includes following definitions.
  1. acpi_device_handle
  2. acpi_alloc_fwnode_static
  3. acpi_free_fwnode_static
  4. has_acpi_companion
  5. acpi_preset_companion
  6. acpi_dev_name
  7. acpi_debugger_init
  8. acpi_register_debugger
  9. acpi_unregister_debugger
  10. acpi_debugger_create_thread
  11. acpi_debugger_write_log
  12. acpi_debugger_read_cmd
  13. acpi_debugger_wait_command_ready
  14. acpi_debugger_notify_command_complete
  15. acpi_numa_processor_affinity_init
  16. acpi_numa_gicc_affinity_init
  17. invalid_logical_cpuid
  18. invalid_phys_cpuid
  19. acpi_sci_irq_valid
  20. acpi_get_override_irq
  21. acpi_penalize_sci_irq
  22. acpi_map_pxm_to_online_node
  23. acpi_map_pxm_to_node
  24. acpi_get_node
  25. acpi_dev_filter_resource_type_cb
  26. acpi_device_set_enumerated
  27. acpi_device_clear_enumerated
  28. acpi_arch_set_root_pointer
  29. acpi_arch_get_root_pointer
  30. acpi_dev_found
  31. acpi_dev_present
  32. acpi_dev_get_first_match_dev
  33. acpi_dev_put
  34. is_acpi_node
  35. is_acpi_device_node
  36. to_acpi_device_node
  37. is_acpi_data_node
  38. to_acpi_data_node
  39. acpi_data_node_match
  40. acpi_fwnode_handle
  41. has_acpi_companion
  42. acpi_preset_companion
  43. acpi_dev_name
  44. acpi_get_first_physical_node
  45. acpi_early_init
  46. acpi_subsystem_init
  47. early_acpi_boot_init
  48. acpi_boot_init
  49. acpi_boot_table_init
  50. acpi_mps_check
  51. acpi_check_resource_conflict
  52. acpi_check_region
  53. acpi_table_parse
  54. acpi_nvs_register
  55. acpi_nvs_for_each_region
  56. acpi_match_device
  57. acpi_device_get_match_data
  58. acpi_driver_match_device
  59. acpi_evaluate_dsm
  60. acpi_device_uevent_modalias
  61. acpi_device_modalias
  62. acpi_dma_supported
  63. acpi_get_dma_attr
  64. acpi_dma_get_range
  65. acpi_dma_configure
  66. acpi_device_set_enumerated
  67. acpi_device_clear_enumerated
  68. acpi_reconfig_notifier_register
  69. acpi_reconfig_notifier_unregister
  70. acpi_resource_consumer
  71. acpi_ioapic_add
  72. arch_reserve_mem_area
  73. acpi_dev_runtime_suspend
  74. acpi_dev_runtime_resume
  75. acpi_subsys_runtime_suspend
  76. acpi_subsys_runtime_resume
  77. acpi_dev_pm_attach
  78. acpi_subsys_prepare
  79. acpi_subsys_complete
  80. acpi_subsys_suspend_late
  81. acpi_subsys_suspend_noirq
  82. acpi_subsys_suspend
  83. acpi_subsys_freeze
  84. acpi_subsys_poweroff
  85. acpi_ec_mark_gpe_for_wake
  86. acpi_ec_set_gpe_wake_mask
  87. __printf
  88. acpi_gpio_get_irq_resource
  89. acpi_dev_gpio_irq_get
  90. acpi_node_get_property_reference
  91. acpi_dev_has_props
  92. acpi_dev_get_property
  93. __acpi_node_get_property_reference
  94. acpi_node_get_property_reference
  95. acpi_node_prop_get
  96. acpi_dev_prop_get
  97. acpi_dev_prop_read_single
  98. acpi_node_prop_read
  99. acpi_dev_prop_read
  100. acpi_get_next_subnode
  101. acpi_node_get_parent
  102. acpi_graph_get_next_endpoint
  103. acpi_graph_get_remote_endpoint
  104. acpi_table_upgrade
  105. acpi_has_watchdog
  106. acpi_parse_spcr
  107. acpi_irq_get
  108. lpit_read_residency_count_address
  109. acpi_pptt_cpu_is_thread
  110. find_acpi_cpu_topology
  111. find_acpi_cpu_topology_package
  112. find_acpi_cpu_topology_hetero_id
  113. find_acpi_cpu_cache_topology
  114. acpi_platform_notify

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * acpi.h - ACPI Interface
   4  *
   5  * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
   6  */
   7 
   8 #ifndef _LINUX_ACPI_H
   9 #define _LINUX_ACPI_H
  10 
  11 #include <linux/errno.h>
  12 #include <linux/ioport.h>       /* for struct resource */
  13 #include <linux/irqdomain.h>
  14 #include <linux/resource_ext.h>
  15 #include <linux/device.h>
  16 #include <linux/property.h>
  17 #include <linux/uuid.h>
  18 
  19 #ifndef _LINUX
  20 #define _LINUX
  21 #endif
  22 #include <acpi/acpi.h>
  23 
  24 #ifdef  CONFIG_ACPI
  25 
  26 #include <linux/list.h>
  27 #include <linux/mod_devicetable.h>
  28 #include <linux/dynamic_debug.h>
  29 #include <linux/module.h>
  30 #include <linux/mutex.h>
  31 
  32 #include <acpi/acpi_bus.h>
  33 #include <acpi/acpi_drivers.h>
  34 #include <acpi/acpi_numa.h>
  35 #include <acpi/acpi_io.h>
  36 #include <asm/acpi.h>
  37 
  38 static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
  39 {
  40         return adev ? adev->handle : NULL;
  41 }
  42 
  43 #define ACPI_COMPANION(dev)             to_acpi_device_node((dev)->fwnode)
  44 #define ACPI_COMPANION_SET(dev, adev)   set_primary_fwnode(dev, (adev) ? \
  45         acpi_fwnode_handle(adev) : NULL)
  46 #define ACPI_HANDLE(dev)                acpi_device_handle(ACPI_COMPANION(dev))
  47 #define ACPI_HANDLE_FWNODE(fwnode)      \
  48                                 acpi_device_handle(to_acpi_device_node(fwnode))
  49 
  50 static inline struct fwnode_handle *acpi_alloc_fwnode_static(void)
  51 {
  52         struct fwnode_handle *fwnode;
  53 
  54         fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL);
  55         if (!fwnode)
  56                 return NULL;
  57 
  58         fwnode->ops = &acpi_static_fwnode_ops;
  59 
  60         return fwnode;
  61 }
  62 
  63 static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode)
  64 {
  65         if (WARN_ON(!is_acpi_static_node(fwnode)))
  66                 return;
  67 
  68         kfree(fwnode);
  69 }
  70 
  71 /**
  72  * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with
  73  * the PCI-defined class-code information
  74  *
  75  * @_cls : the class, subclass, prog-if triple for this device
  76  * @_msk : the class mask for this device
  77  *
  78  * This macro is used to create a struct acpi_device_id that matches a
  79  * specific PCI class. The .id and .driver_data fields will be left
  80  * initialized with the default value.
  81  */
  82 #define ACPI_DEVICE_CLASS(_cls, _msk)   .cls = (_cls), .cls_msk = (_msk),
  83 
  84 static inline bool has_acpi_companion(struct device *dev)
  85 {
  86         return is_acpi_device_node(dev->fwnode);
  87 }
  88 
  89 static inline void acpi_preset_companion(struct device *dev,
  90                                          struct acpi_device *parent, u64 addr)
  91 {
  92         ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false));
  93 }
  94 
  95 static inline const char *acpi_dev_name(struct acpi_device *adev)
  96 {
  97         return dev_name(&adev->dev);
  98 }
  99 
 100 struct device *acpi_get_first_physical_node(struct acpi_device *adev);
 101 
 102 enum acpi_irq_model_id {
 103         ACPI_IRQ_MODEL_PIC = 0,
 104         ACPI_IRQ_MODEL_IOAPIC,
 105         ACPI_IRQ_MODEL_IOSAPIC,
 106         ACPI_IRQ_MODEL_PLATFORM,
 107         ACPI_IRQ_MODEL_GIC,
 108         ACPI_IRQ_MODEL_COUNT
 109 };
 110 
 111 extern enum acpi_irq_model_id   acpi_irq_model;
 112 
 113 enum acpi_interrupt_id {
 114         ACPI_INTERRUPT_PMI      = 1,
 115         ACPI_INTERRUPT_INIT,
 116         ACPI_INTERRUPT_CPEI,
 117         ACPI_INTERRUPT_COUNT
 118 };
 119 
 120 #define ACPI_SPACE_MEM          0
 121 
 122 enum acpi_address_range_id {
 123         ACPI_ADDRESS_RANGE_MEMORY = 1,
 124         ACPI_ADDRESS_RANGE_RESERVED = 2,
 125         ACPI_ADDRESS_RANGE_ACPI = 3,
 126         ACPI_ADDRESS_RANGE_NVS  = 4,
 127         ACPI_ADDRESS_RANGE_COUNT
 128 };
 129 
 130 
 131 /* Table Handlers */
 132 union acpi_subtable_headers {
 133         struct acpi_subtable_header common;
 134         struct acpi_hmat_structure hmat;
 135 };
 136 
 137 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
 138 
 139 typedef int (*acpi_tbl_entry_handler)(union acpi_subtable_headers *header,
 140                                       const unsigned long end);
 141 
 142 /* Debugger support */
 143 
 144 struct acpi_debugger_ops {
 145         int (*create_thread)(acpi_osd_exec_callback function, void *context);
 146         ssize_t (*write_log)(const char *msg);
 147         ssize_t (*read_cmd)(char *buffer, size_t length);
 148         int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
 149         int (*notify_command_complete)(void);
 150 };
 151 
 152 struct acpi_debugger {
 153         const struct acpi_debugger_ops *ops;
 154         struct module *owner;
 155         struct mutex lock;
 156 };
 157 
 158 #ifdef CONFIG_ACPI_DEBUGGER
 159 int __init acpi_debugger_init(void);
 160 int acpi_register_debugger(struct module *owner,
 161                            const struct acpi_debugger_ops *ops);
 162 void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
 163 int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
 164 ssize_t acpi_debugger_write_log(const char *msg);
 165 ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
 166 int acpi_debugger_wait_command_ready(void);
 167 int acpi_debugger_notify_command_complete(void);
 168 #else
 169 static inline int acpi_debugger_init(void)
 170 {
 171         return -ENODEV;
 172 }
 173 
 174 static inline int acpi_register_debugger(struct module *owner,
 175                                          const struct acpi_debugger_ops *ops)
 176 {
 177         return -ENODEV;
 178 }
 179 
 180 static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
 181 {
 182 }
 183 
 184 static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
 185                                               void *context)
 186 {
 187         return -ENODEV;
 188 }
 189 
 190 static inline int acpi_debugger_write_log(const char *msg)
 191 {
 192         return -ENODEV;
 193 }
 194 
 195 static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
 196 {
 197         return -ENODEV;
 198 }
 199 
 200 static inline int acpi_debugger_wait_command_ready(void)
 201 {
 202         return -ENODEV;
 203 }
 204 
 205 static inline int acpi_debugger_notify_command_complete(void)
 206 {
 207         return -ENODEV;
 208 }
 209 #endif
 210 
 211 #define BAD_MADT_ENTRY(entry, end) (                                        \
 212                 (!entry) || (unsigned long)entry + sizeof(*entry) > end ||  \
 213                 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
 214 
 215 struct acpi_subtable_proc {
 216         int id;
 217         acpi_tbl_entry_handler handler;
 218         int count;
 219 };
 220 
 221 void __iomem *__acpi_map_table(unsigned long phys, unsigned long size);
 222 void __acpi_unmap_table(void __iomem *map, unsigned long size);
 223 int early_acpi_boot_init(void);
 224 int acpi_boot_init (void);
 225 void acpi_boot_table_init (void);
 226 int acpi_mps_check (void);
 227 int acpi_numa_init (void);
 228 
 229 int acpi_table_init (void);
 230 int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
 231 int __init acpi_table_parse_entries(char *id, unsigned long table_size,
 232                               int entry_id,
 233                               acpi_tbl_entry_handler handler,
 234                               unsigned int max_entries);
 235 int __init acpi_table_parse_entries_array(char *id, unsigned long table_size,
 236                               struct acpi_subtable_proc *proc, int proc_num,
 237                               unsigned int max_entries);
 238 int acpi_table_parse_madt(enum acpi_madt_type id,
 239                           acpi_tbl_entry_handler handler,
 240                           unsigned int max_entries);
 241 int acpi_parse_mcfg (struct acpi_table_header *header);
 242 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
 243 
 244 /* the following numa functions are architecture-dependent */
 245 void acpi_numa_slit_init (struct acpi_table_slit *slit);
 246 
 247 #if defined(CONFIG_X86) || defined(CONFIG_IA64)
 248 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
 249 #else
 250 static inline void
 251 acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
 252 #endif
 253 
 254 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
 255 
 256 #ifdef CONFIG_ARM64
 257 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
 258 #else
 259 static inline void
 260 acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
 261 #endif
 262 
 263 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
 264 
 265 #ifndef PHYS_CPUID_INVALID
 266 typedef u32 phys_cpuid_t;
 267 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
 268 #endif
 269 
 270 static inline bool invalid_logical_cpuid(u32 cpuid)
 271 {
 272         return (int)cpuid < 0;
 273 }
 274 
 275 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
 276 {
 277         return phys_id == PHYS_CPUID_INVALID;
 278 }
 279 
 280 /* Validate the processor object's proc_id */
 281 bool acpi_duplicate_processor_id(int proc_id);
 282 
 283 #ifdef CONFIG_ACPI_HOTPLUG_CPU
 284 /* Arch dependent functions for cpu hotplug support */
 285 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
 286                  int *pcpu);
 287 int acpi_unmap_cpu(int cpu);
 288 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
 289 
 290 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
 291 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
 292 #endif
 293 
 294 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
 295 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
 296 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
 297 void acpi_irq_stats_init(void);
 298 extern u32 acpi_irq_handled;
 299 extern u32 acpi_irq_not_handled;
 300 extern unsigned int acpi_sci_irq;
 301 extern bool acpi_no_s5;
 302 #define INVALID_ACPI_IRQ        ((unsigned)-1)
 303 static inline bool acpi_sci_irq_valid(void)
 304 {
 305         return acpi_sci_irq != INVALID_ACPI_IRQ;
 306 }
 307 
 308 extern int sbf_port;
 309 extern unsigned long acpi_realmode_flags;
 310 
 311 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
 312 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
 313 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
 314 
 315 void acpi_set_irq_model(enum acpi_irq_model_id model,
 316                         struct fwnode_handle *fwnode);
 317 
 318 struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags,
 319                                              unsigned int size,
 320                                              struct fwnode_handle *fwnode,
 321                                              const struct irq_domain_ops *ops,
 322                                              void *host_data);
 323 
 324 #ifdef CONFIG_X86_IO_APIC
 325 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
 326 #else
 327 static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)
 328 {
 329         return -1;
 330 }
 331 #endif
 332 /*
 333  * This function undoes the effect of one call to acpi_register_gsi().
 334  * If this matches the last registration, any IRQ resources for gsi
 335  * are freed.
 336  */
 337 void acpi_unregister_gsi (u32 gsi);
 338 
 339 struct pci_dev;
 340 
 341 int acpi_pci_irq_enable (struct pci_dev *dev);
 342 void acpi_penalize_isa_irq(int irq, int active);
 343 bool acpi_isa_irq_available(int irq);
 344 #ifdef CONFIG_PCI
 345 void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
 346 #else
 347 static inline void acpi_penalize_sci_irq(int irq, int trigger,
 348                                         int polarity)
 349 {
 350 }
 351 #endif
 352 void acpi_pci_irq_disable (struct pci_dev *dev);
 353 
 354 extern int ec_read(u8 addr, u8 *val);
 355 extern int ec_write(u8 addr, u8 val);
 356 extern int ec_transaction(u8 command,
 357                           const u8 *wdata, unsigned wdata_len,
 358                           u8 *rdata, unsigned rdata_len);
 359 extern acpi_handle ec_get_handle(void);
 360 
 361 extern bool acpi_is_pnp_device(struct acpi_device *);
 362 
 363 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
 364 
 365 typedef void (*wmi_notify_handler) (u32 value, void *context);
 366 
 367 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
 368                                         u32 method_id,
 369                                         const struct acpi_buffer *in,
 370                                         struct acpi_buffer *out);
 371 extern acpi_status wmi_query_block(const char *guid, u8 instance,
 372                                         struct acpi_buffer *out);
 373 extern acpi_status wmi_set_block(const char *guid, u8 instance,
 374                                         const struct acpi_buffer *in);
 375 extern acpi_status wmi_install_notify_handler(const char *guid,
 376                                         wmi_notify_handler handler, void *data);
 377 extern acpi_status wmi_remove_notify_handler(const char *guid);
 378 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
 379 extern bool wmi_has_guid(const char *guid);
 380 extern char *wmi_get_acpi_device_uid(const char *guid);
 381 
 382 #endif  /* CONFIG_ACPI_WMI */
 383 
 384 #define ACPI_VIDEO_OUTPUT_SWITCHING                     0x0001
 385 #define ACPI_VIDEO_DEVICE_POSTING                       0x0002
 386 #define ACPI_VIDEO_ROM_AVAILABLE                        0x0004
 387 #define ACPI_VIDEO_BACKLIGHT                            0x0008
 388 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR               0x0010
 389 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO                0x0020
 390 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR        0x0040
 391 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO         0x0080
 392 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR                 0x0100
 393 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO                  0x0200
 394 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR          0x0400
 395 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO           0x0800
 396 
 397 extern char acpi_video_backlight_string[];
 398 extern long acpi_is_video_device(acpi_handle handle);
 399 extern int acpi_blacklisted(void);
 400 extern void acpi_osi_setup(char *str);
 401 extern bool acpi_osi_is_win8(void);
 402 
 403 #ifdef CONFIG_ACPI_NUMA
 404 int acpi_map_pxm_to_online_node(int pxm);
 405 int acpi_map_pxm_to_node(int pxm);
 406 int acpi_get_node(acpi_handle handle);
 407 #else
 408 static inline int acpi_map_pxm_to_online_node(int pxm)
 409 {
 410         return 0;
 411 }
 412 static inline int acpi_map_pxm_to_node(int pxm)
 413 {
 414         return 0;
 415 }
 416 static inline int acpi_get_node(acpi_handle handle)
 417 {
 418         return 0;
 419 }
 420 #endif
 421 extern int acpi_paddr_to_node(u64 start_addr, u64 size);
 422 
 423 extern int pnpacpi_disabled;
 424 
 425 #define PXM_INVAL       (-1)
 426 
 427 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
 428 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
 429 bool acpi_dev_resource_address_space(struct acpi_resource *ares,
 430                                      struct resource_win *win);
 431 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
 432                                          struct resource_win *win);
 433 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
 434 unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
 435 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
 436                                  struct resource *res);
 437 
 438 void acpi_dev_free_resource_list(struct list_head *list);
 439 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
 440                            int (*preproc)(struct acpi_resource *, void *),
 441                            void *preproc_data);
 442 int acpi_dev_get_dma_resources(struct acpi_device *adev,
 443                                struct list_head *list);
 444 int acpi_dev_filter_resource_type(struct acpi_resource *ares,
 445                                   unsigned long types);
 446 
 447 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
 448                                                    void *arg)
 449 {
 450         return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
 451 }
 452 
 453 struct acpi_device *acpi_resource_consumer(struct resource *res);
 454 
 455 int acpi_check_resource_conflict(const struct resource *res);
 456 
 457 int acpi_check_region(resource_size_t start, resource_size_t n,
 458                       const char *name);
 459 
 460 acpi_status acpi_release_memory(acpi_handle handle, struct resource *res,
 461                                 u32 level);
 462 
 463 int acpi_resources_are_enforced(void);
 464 
 465 #ifdef CONFIG_HIBERNATION
 466 void __init acpi_no_s4_hw_signature(void);
 467 #endif
 468 
 469 #ifdef CONFIG_PM_SLEEP
 470 void __init acpi_old_suspend_ordering(void);
 471 void __init acpi_nvs_nosave(void);
 472 void __init acpi_nvs_nosave_s3(void);
 473 void __init acpi_sleep_no_blacklist(void);
 474 #endif /* CONFIG_PM_SLEEP */
 475 
 476 int acpi_register_wakeup_handler(
 477         int wake_irq, bool (*wakeup)(void *context), void *context);
 478 void acpi_unregister_wakeup_handler(
 479         bool (*wakeup)(void *context), void *context);
 480 
 481 struct acpi_osc_context {
 482         char *uuid_str;                 /* UUID string */
 483         int rev;
 484         struct acpi_buffer cap;         /* list of DWORD capabilities */
 485         struct acpi_buffer ret;         /* free by caller if success */
 486 };
 487 
 488 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
 489 
 490 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
 491 #define OSC_QUERY_DWORD                         0       /* DWORD 1 */
 492 #define OSC_SUPPORT_DWORD                       1       /* DWORD 2 */
 493 #define OSC_CONTROL_DWORD                       2       /* DWORD 3 */
 494 
 495 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
 496 #define OSC_QUERY_ENABLE                        0x00000001  /* input */
 497 #define OSC_REQUEST_ERROR                       0x00000002  /* return */
 498 #define OSC_INVALID_UUID_ERROR                  0x00000004  /* return */
 499 #define OSC_INVALID_REVISION_ERROR              0x00000008  /* return */
 500 #define OSC_CAPABILITIES_MASK_ERROR             0x00000010  /* return */
 501 
 502 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
 503 #define OSC_SB_PAD_SUPPORT                      0x00000001
 504 #define OSC_SB_PPC_OST_SUPPORT                  0x00000002
 505 #define OSC_SB_PR3_SUPPORT                      0x00000004
 506 #define OSC_SB_HOTPLUG_OST_SUPPORT              0x00000008
 507 #define OSC_SB_APEI_SUPPORT                     0x00000010
 508 #define OSC_SB_CPC_SUPPORT                      0x00000020
 509 #define OSC_SB_CPCV2_SUPPORT                    0x00000040
 510 #define OSC_SB_PCLPI_SUPPORT                    0x00000080
 511 #define OSC_SB_OSLPI_SUPPORT                    0x00000100
 512 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT         0x00001000
 513 
 514 extern bool osc_sb_apei_support_acked;
 515 extern bool osc_pc_lpi_support_confirmed;
 516 
 517 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
 518 #define OSC_PCI_EXT_CONFIG_SUPPORT              0x00000001
 519 #define OSC_PCI_ASPM_SUPPORT                    0x00000002
 520 #define OSC_PCI_CLOCK_PM_SUPPORT                0x00000004
 521 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT          0x00000008
 522 #define OSC_PCI_MSI_SUPPORT                     0x00000010
 523 #define OSC_PCI_HPX_TYPE_3_SUPPORT              0x00000100
 524 #define OSC_PCI_SUPPORT_MASKS                   0x0000011f
 525 
 526 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
 527 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL       0x00000001
 528 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL          0x00000002
 529 #define OSC_PCI_EXPRESS_PME_CONTROL             0x00000004
 530 #define OSC_PCI_EXPRESS_AER_CONTROL             0x00000008
 531 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL      0x00000010
 532 #define OSC_PCI_EXPRESS_LTR_CONTROL             0x00000020
 533 #define OSC_PCI_CONTROL_MASKS                   0x0000003f
 534 
 535 #define ACPI_GSB_ACCESS_ATTRIB_QUICK            0x00000002
 536 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV         0x00000004
 537 #define ACPI_GSB_ACCESS_ATTRIB_BYTE             0x00000006
 538 #define ACPI_GSB_ACCESS_ATTRIB_WORD             0x00000008
 539 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK            0x0000000A
 540 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE        0x0000000B
 541 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL        0x0000000C
 542 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL       0x0000000D
 543 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES        0x0000000E
 544 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS      0x0000000F
 545 
 546 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
 547                                              u32 *mask, u32 req);
 548 
 549 /* Enable _OST when all relevant hotplug operations are enabled */
 550 #if defined(CONFIG_ACPI_HOTPLUG_CPU) &&                 \
 551         defined(CONFIG_ACPI_HOTPLUG_MEMORY) &&          \
 552         defined(CONFIG_ACPI_CONTAINER)
 553 #define ACPI_HOTPLUG_OST
 554 #endif
 555 
 556 /* _OST Source Event Code (OSPM Action) */
 557 #define ACPI_OST_EC_OSPM_SHUTDOWN               0x100
 558 #define ACPI_OST_EC_OSPM_EJECT                  0x103
 559 #define ACPI_OST_EC_OSPM_INSERTION              0x200
 560 
 561 /* _OST General Processing Status Code */
 562 #define ACPI_OST_SC_SUCCESS                     0x0
 563 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE        0x1
 564 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY         0x2
 565 
 566 /* _OST OS Shutdown Processing (0x100) Status Code */
 567 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED          0x80
 568 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS     0x81
 569 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED       0x82
 570 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED   0x83
 571 
 572 /* _OST Ejection Request (0x3, 0x103) Status Code */
 573 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED         0x80
 574 #define ACPI_OST_SC_DEVICE_IN_USE               0x81
 575 #define ACPI_OST_SC_DEVICE_BUSY                 0x82
 576 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY       0x83
 577 #define ACPI_OST_SC_EJECT_IN_PROGRESS           0x84
 578 
 579 /* _OST Insertion Request (0x200) Status Code */
 580 #define ACPI_OST_SC_INSERT_IN_PROGRESS          0x80
 581 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE         0x81
 582 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED        0x82
 583 
 584 enum acpi_predicate {
 585         all_versions,
 586         less_than_or_equal,
 587         equal,
 588         greater_than_or_equal,
 589 };
 590 
 591 /* Table must be terminted by a NULL entry */
 592 struct acpi_platform_list {
 593         char    oem_id[ACPI_OEM_ID_SIZE+1];
 594         char    oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
 595         u32     oem_revision;
 596         char    *table;
 597         enum acpi_predicate pred;
 598         char    *reason;
 599         u32     data;
 600 };
 601 int acpi_match_platform_list(const struct acpi_platform_list *plat);
 602 
 603 extern void acpi_early_init(void);
 604 extern void acpi_subsystem_init(void);
 605 extern void arch_post_acpi_subsys_init(void);
 606 
 607 extern int acpi_nvs_register(__u64 start, __u64 size);
 608 
 609 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
 610                                     void *data);
 611 
 612 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
 613                                                const struct device *dev);
 614 
 615 const void *acpi_device_get_match_data(const struct device *dev);
 616 extern bool acpi_driver_match_device(struct device *dev,
 617                                      const struct device_driver *drv);
 618 int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
 619 int acpi_device_modalias(struct device *, char *, int);
 620 void acpi_walk_dep_device_list(acpi_handle handle);
 621 
 622 struct platform_device *acpi_create_platform_device(struct acpi_device *,
 623                                                     struct property_entry *);
 624 #define ACPI_PTR(_ptr)  (_ptr)
 625 
 626 static inline void acpi_device_set_enumerated(struct acpi_device *adev)
 627 {
 628         adev->flags.visited = true;
 629 }
 630 
 631 static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
 632 {
 633         adev->flags.visited = false;
 634 }
 635 
 636 enum acpi_reconfig_event  {
 637         ACPI_RECONFIG_DEVICE_ADD = 0,
 638         ACPI_RECONFIG_DEVICE_REMOVE,
 639 };
 640 
 641 int acpi_reconfig_notifier_register(struct notifier_block *nb);
 642 int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
 643 
 644 #ifdef CONFIG_ACPI_GTDT
 645 int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
 646 int acpi_gtdt_map_ppi(int type);
 647 bool acpi_gtdt_c3stop(int type);
 648 int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count);
 649 #endif
 650 
 651 #ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER
 652 static inline void acpi_arch_set_root_pointer(u64 addr)
 653 {
 654 }
 655 #endif
 656 
 657 #ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER
 658 static inline u64 acpi_arch_get_root_pointer(void)
 659 {
 660         return 0;
 661 }
 662 #endif
 663 
 664 #else   /* !CONFIG_ACPI */
 665 
 666 #define acpi_disabled 1
 667 
 668 #define ACPI_COMPANION(dev)             (NULL)
 669 #define ACPI_COMPANION_SET(dev, adev)   do { } while (0)
 670 #define ACPI_HANDLE(dev)                (NULL)
 671 #define ACPI_HANDLE_FWNODE(fwnode)      (NULL)
 672 #define ACPI_DEVICE_CLASS(_cls, _msk)   .cls = (0), .cls_msk = (0),
 673 
 674 struct fwnode_handle;
 675 
 676 static inline bool acpi_dev_found(const char *hid)
 677 {
 678         return false;
 679 }
 680 
 681 static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
 682 {
 683         return false;
 684 }
 685 
 686 static inline struct acpi_device *
 687 acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv)
 688 {
 689         return NULL;
 690 }
 691 
 692 static inline void acpi_dev_put(struct acpi_device *adev) {}
 693 
 694 static inline bool is_acpi_node(struct fwnode_handle *fwnode)
 695 {
 696         return false;
 697 }
 698 
 699 static inline bool is_acpi_device_node(struct fwnode_handle *fwnode)
 700 {
 701         return false;
 702 }
 703 
 704 static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode)
 705 {
 706         return NULL;
 707 }
 708 
 709 static inline bool is_acpi_data_node(struct fwnode_handle *fwnode)
 710 {
 711         return false;
 712 }
 713 
 714 static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode)
 715 {
 716         return NULL;
 717 }
 718 
 719 static inline bool acpi_data_node_match(struct fwnode_handle *fwnode,
 720                                         const char *name)
 721 {
 722         return false;
 723 }
 724 
 725 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
 726 {
 727         return NULL;
 728 }
 729 
 730 static inline bool has_acpi_companion(struct device *dev)
 731 {
 732         return false;
 733 }
 734 
 735 static inline void acpi_preset_companion(struct device *dev,
 736                                          struct acpi_device *parent, u64 addr)
 737 {
 738 }
 739 
 740 static inline const char *acpi_dev_name(struct acpi_device *adev)
 741 {
 742         return NULL;
 743 }
 744 
 745 static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
 746 {
 747         return NULL;
 748 }
 749 
 750 static inline void acpi_early_init(void) { }
 751 static inline void acpi_subsystem_init(void) { }
 752 
 753 static inline int early_acpi_boot_init(void)
 754 {
 755         return 0;
 756 }
 757 static inline int acpi_boot_init(void)
 758 {
 759         return 0;
 760 }
 761 
 762 static inline void acpi_boot_table_init(void)
 763 {
 764         return;
 765 }
 766 
 767 static inline int acpi_mps_check(void)
 768 {
 769         return 0;
 770 }
 771 
 772 static inline int acpi_check_resource_conflict(struct resource *res)
 773 {
 774         return 0;
 775 }
 776 
 777 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
 778                                     const char *name)
 779 {
 780         return 0;
 781 }
 782 
 783 struct acpi_table_header;
 784 static inline int acpi_table_parse(char *id,
 785                                 int (*handler)(struct acpi_table_header *))
 786 {
 787         return -ENODEV;
 788 }
 789 
 790 static inline int acpi_nvs_register(__u64 start, __u64 size)
 791 {
 792         return 0;
 793 }
 794 
 795 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
 796                                            void *data)
 797 {
 798         return 0;
 799 }
 800 
 801 struct acpi_device_id;
 802 
 803 static inline const struct acpi_device_id *acpi_match_device(
 804         const struct acpi_device_id *ids, const struct device *dev)
 805 {
 806         return NULL;
 807 }
 808 
 809 static inline const void *acpi_device_get_match_data(const struct device *dev)
 810 {
 811         return NULL;
 812 }
 813 
 814 static inline bool acpi_driver_match_device(struct device *dev,
 815                                             const struct device_driver *drv)
 816 {
 817         return false;
 818 }
 819 
 820 static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
 821                                                    const guid_t *guid,
 822                                                    int rev, int func,
 823                                                    union acpi_object *argv4)
 824 {
 825         return NULL;
 826 }
 827 
 828 static inline int acpi_device_uevent_modalias(struct device *dev,
 829                                 struct kobj_uevent_env *env)
 830 {
 831         return -ENODEV;
 832 }
 833 
 834 static inline int acpi_device_modalias(struct device *dev,
 835                                 char *buf, int size)
 836 {
 837         return -ENODEV;
 838 }
 839 
 840 static inline bool acpi_dma_supported(struct acpi_device *adev)
 841 {
 842         return false;
 843 }
 844 
 845 static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
 846 {
 847         return DEV_DMA_NOT_SUPPORTED;
 848 }
 849 
 850 static inline int acpi_dma_get_range(struct device *dev, u64 *dma_addr,
 851                                      u64 *offset, u64 *size)
 852 {
 853         return -ENODEV;
 854 }
 855 
 856 static inline int acpi_dma_configure(struct device *dev,
 857                                      enum dev_dma_attr attr)
 858 {
 859         return 0;
 860 }
 861 
 862 #define ACPI_PTR(_ptr)  (NULL)
 863 
 864 static inline void acpi_device_set_enumerated(struct acpi_device *adev)
 865 {
 866 }
 867 
 868 static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
 869 {
 870 }
 871 
 872 static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
 873 {
 874         return -EINVAL;
 875 }
 876 
 877 static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
 878 {
 879         return -EINVAL;
 880 }
 881 
 882 static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
 883 {
 884         return NULL;
 885 }
 886 
 887 #endif  /* !CONFIG_ACPI */
 888 
 889 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
 890 int acpi_ioapic_add(acpi_handle root);
 891 #else
 892 static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
 893 #endif
 894 
 895 #ifdef CONFIG_ACPI
 896 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
 897                                u32 pm1a_ctrl,  u32 pm1b_ctrl));
 898 
 899 acpi_status acpi_os_prepare_sleep(u8 sleep_state,
 900                                   u32 pm1a_control, u32 pm1b_control);
 901 
 902 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
 903                                         u32 val_a,  u32 val_b));
 904 
 905 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
 906                                            u32 val_a, u32 val_b);
 907 
 908 #ifdef CONFIG_X86
 909 void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
 910 #else
 911 static inline void arch_reserve_mem_area(acpi_physical_address addr,
 912                                           size_t size)
 913 {
 914 }
 915 #endif /* CONFIG_X86 */
 916 #else
 917 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
 918 #endif
 919 
 920 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
 921 int acpi_dev_suspend(struct device *dev, bool wakeup);
 922 int acpi_dev_resume(struct device *dev);
 923 int acpi_subsys_runtime_suspend(struct device *dev);
 924 int acpi_subsys_runtime_resume(struct device *dev);
 925 int acpi_dev_pm_attach(struct device *dev, bool power_on);
 926 #else
 927 static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
 928 static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
 929 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
 930 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
 931 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
 932 {
 933         return 0;
 934 }
 935 #endif
 936 
 937 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
 938 int acpi_subsys_prepare(struct device *dev);
 939 void acpi_subsys_complete(struct device *dev);
 940 int acpi_subsys_suspend_late(struct device *dev);
 941 int acpi_subsys_suspend_noirq(struct device *dev);
 942 int acpi_subsys_suspend(struct device *dev);
 943 int acpi_subsys_freeze(struct device *dev);
 944 int acpi_subsys_poweroff(struct device *dev);
 945 void acpi_ec_mark_gpe_for_wake(void);
 946 void acpi_ec_set_gpe_wake_mask(u8 action);
 947 #else
 948 static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
 949 static inline void acpi_subsys_complete(struct device *dev) {}
 950 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
 951 static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; }
 952 static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
 953 static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
 954 static inline int acpi_subsys_poweroff(struct device *dev) { return 0; }
 955 static inline void acpi_ec_mark_gpe_for_wake(void) {}
 956 static inline void acpi_ec_set_gpe_wake_mask(u8 action) {}
 957 #endif
 958 
 959 #ifdef CONFIG_ACPI
 960 __printf(3, 4)
 961 void acpi_handle_printk(const char *level, acpi_handle handle,
 962                         const char *fmt, ...);
 963 #else   /* !CONFIG_ACPI */
 964 static inline __printf(3, 4) void
 965 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
 966 #endif  /* !CONFIG_ACPI */
 967 
 968 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
 969 __printf(3, 4)
 970 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
 971 #endif
 972 
 973 /*
 974  * acpi_handle_<level>: Print message with ACPI prefix and object path
 975  *
 976  * These interfaces acquire the global namespace mutex to obtain an object
 977  * path.  In interrupt context, it shows the object path as <n/a>.
 978  */
 979 #define acpi_handle_emerg(handle, fmt, ...)                             \
 980         acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
 981 #define acpi_handle_alert(handle, fmt, ...)                             \
 982         acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
 983 #define acpi_handle_crit(handle, fmt, ...)                              \
 984         acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
 985 #define acpi_handle_err(handle, fmt, ...)                               \
 986         acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
 987 #define acpi_handle_warn(handle, fmt, ...)                              \
 988         acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
 989 #define acpi_handle_notice(handle, fmt, ...)                            \
 990         acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
 991 #define acpi_handle_info(handle, fmt, ...)                              \
 992         acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
 993 
 994 #if defined(DEBUG)
 995 #define acpi_handle_debug(handle, fmt, ...)                             \
 996         acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
 997 #else
 998 #if defined(CONFIG_DYNAMIC_DEBUG)
 999 #define acpi_handle_debug(handle, fmt, ...)                             \
1000         _dynamic_func_call(fmt, __acpi_handle_debug,                    \
1001                            handle, pr_fmt(fmt), ##__VA_ARGS__)
1002 #else
1003 #define acpi_handle_debug(handle, fmt, ...)                             \
1004 ({                                                                      \
1005         if (0)                                                          \
1006                 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
1007         0;                                                              \
1008 })
1009 #endif
1010 #endif
1011 
1012 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
1013 bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1014                                 struct acpi_resource_gpio **agpio);
1015 int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
1016 #else
1017 static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1018                                               struct acpi_resource_gpio **agpio)
1019 {
1020         return false;
1021 }
1022 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
1023 {
1024         return -ENXIO;
1025 }
1026 #endif
1027 
1028 /* Device properties */
1029 
1030 #ifdef CONFIG_ACPI
1031 int acpi_dev_get_property(const struct acpi_device *adev, const char *name,
1032                           acpi_object_type type, const union acpi_object **obj);
1033 int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1034                                 const char *name, size_t index, size_t num_args,
1035                                 struct fwnode_reference_args *args);
1036 
1037 static inline int acpi_node_get_property_reference(
1038                                 const struct fwnode_handle *fwnode,
1039                                 const char *name, size_t index,
1040                                 struct fwnode_reference_args *args)
1041 {
1042         return __acpi_node_get_property_reference(fwnode, name, index,
1043                 NR_FWNODE_REFERENCE_ARGS, args);
1044 }
1045 
1046 static inline bool acpi_dev_has_props(const struct acpi_device *adev)
1047 {
1048         return !list_empty(&adev->data.properties);
1049 }
1050 
1051 struct acpi_device_properties *
1052 acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid,
1053                     const union acpi_object *properties);
1054 
1055 int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
1056                        void **valptr);
1057 int acpi_dev_prop_read_single(struct acpi_device *adev,
1058                               const char *propname, enum dev_prop_type proptype,
1059                               void *val);
1060 int acpi_node_prop_read(const struct fwnode_handle *fwnode,
1061                         const char *propname, enum dev_prop_type proptype,
1062                         void *val, size_t nval);
1063 int acpi_dev_prop_read(const struct acpi_device *adev, const char *propname,
1064                        enum dev_prop_type proptype, void *val, size_t nval);
1065 
1066 struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1067                                             struct fwnode_handle *child);
1068 struct fwnode_handle *acpi_node_get_parent(const struct fwnode_handle *fwnode);
1069 
1070 struct acpi_probe_entry;
1071 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1072                                                  struct acpi_probe_entry *);
1073 
1074 #define ACPI_TABLE_ID_LEN       5
1075 
1076 /**
1077  * struct acpi_probe_entry - boot-time probing entry
1078  * @id:                 ACPI table name
1079  * @type:               Optional subtable type to match
1080  *                      (if @id contains subtables)
1081  * @subtable_valid:     Optional callback to check the validity of
1082  *                      the subtable
1083  * @probe_table:        Callback to the driver being probed when table
1084  *                      match is successful
1085  * @probe_subtbl:       Callback to the driver being probed when table and
1086  *                      subtable match (and optional callback is successful)
1087  * @driver_data:        Sideband data provided back to the driver
1088  */
1089 struct acpi_probe_entry {
1090         __u8 id[ACPI_TABLE_ID_LEN];
1091         __u8 type;
1092         acpi_probe_entry_validate_subtbl subtable_valid;
1093         union {
1094                 acpi_tbl_table_handler probe_table;
1095                 acpi_tbl_entry_handler probe_subtbl;
1096         };
1097         kernel_ulong_t driver_data;
1098 };
1099 
1100 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn)      \
1101         static const struct acpi_probe_entry __acpi_probe_##name        \
1102                 __used __section(__##table##_acpi_probe_table)          \
1103                  = {                                                    \
1104                         .id = table_id,                                 \
1105                         .type = subtable,                               \
1106                         .subtable_valid = valid,                        \
1107                         .probe_table = (acpi_tbl_table_handler)fn,      \
1108                         .driver_data = data,                            \
1109                    }
1110 
1111 #define ACPI_PROBE_TABLE(name)          __##name##_acpi_probe_table
1112 #define ACPI_PROBE_TABLE_END(name)      __##name##_acpi_probe_table_end
1113 
1114 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1115 
1116 #define acpi_probe_device_table(t)                                      \
1117         ({                                                              \
1118                 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t),     \
1119                                                ACPI_PROBE_TABLE_END(t); \
1120                 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t),         \
1121                                           (&ACPI_PROBE_TABLE_END(t) -   \
1122                                            &ACPI_PROBE_TABLE(t)));      \
1123         })
1124 #else
1125 static inline int acpi_dev_get_property(struct acpi_device *adev,
1126                                         const char *name, acpi_object_type type,
1127                                         const union acpi_object **obj)
1128 {
1129         return -ENXIO;
1130 }
1131 
1132 static inline int
1133 __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1134                                 const char *name, size_t index, size_t num_args,
1135                                 struct fwnode_reference_args *args)
1136 {
1137         return -ENXIO;
1138 }
1139 
1140 static inline int
1141 acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1142                                  const char *name, size_t index,
1143                                  struct fwnode_reference_args *args)
1144 {
1145         return -ENXIO;
1146 }
1147 
1148 static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
1149                                      const char *propname,
1150                                      void **valptr)
1151 {
1152         return -ENXIO;
1153 }
1154 
1155 static inline int acpi_dev_prop_get(const struct acpi_device *adev,
1156                                     const char *propname,
1157                                     void **valptr)
1158 {
1159         return -ENXIO;
1160 }
1161 
1162 static inline int acpi_dev_prop_read_single(const struct acpi_device *adev,
1163                                             const char *propname,
1164                                             enum dev_prop_type proptype,
1165                                             void *val)
1166 {
1167         return -ENXIO;
1168 }
1169 
1170 static inline int acpi_node_prop_read(const struct fwnode_handle *fwnode,
1171                                       const char *propname,
1172                                       enum dev_prop_type proptype,
1173                                       void *val, size_t nval)
1174 {
1175         return -ENXIO;
1176 }
1177 
1178 static inline int acpi_dev_prop_read(const struct acpi_device *adev,
1179                                      const char *propname,
1180                                      enum dev_prop_type proptype,
1181                                      void *val, size_t nval)
1182 {
1183         return -ENXIO;
1184 }
1185 
1186 static inline struct fwnode_handle *
1187 acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1188                       struct fwnode_handle *child)
1189 {
1190         return NULL;
1191 }
1192 
1193 static inline struct fwnode_handle *
1194 acpi_node_get_parent(const struct fwnode_handle *fwnode)
1195 {
1196         return NULL;
1197 }
1198 
1199 static inline struct fwnode_handle *
1200 acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1201                              struct fwnode_handle *prev)
1202 {
1203         return ERR_PTR(-ENXIO);
1204 }
1205 
1206 static inline int
1207 acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1208                                struct fwnode_handle **remote,
1209                                struct fwnode_handle **port,
1210                                struct fwnode_handle **endpoint)
1211 {
1212         return -ENXIO;
1213 }
1214 
1215 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1216         static const void * __acpi_table_##name[]                       \
1217                 __attribute__((unused))                                 \
1218                  = { (void *) table_id,                                 \
1219                      (void *) subtable,                                 \
1220                      (void *) valid,                                    \
1221                      (void *) fn,                                       \
1222                      (void *) data }
1223 
1224 #define acpi_probe_device_table(t)      ({ int __r = 0; __r;})
1225 #endif
1226 
1227 #ifdef CONFIG_ACPI_TABLE_UPGRADE
1228 void acpi_table_upgrade(void);
1229 #else
1230 static inline void acpi_table_upgrade(void) { }
1231 #endif
1232 
1233 #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1234 extern bool acpi_has_watchdog(void);
1235 #else
1236 static inline bool acpi_has_watchdog(void) { return false; }
1237 #endif
1238 
1239 #ifdef CONFIG_ACPI_SPCR_TABLE
1240 extern bool qdf2400_e44_present;
1241 int acpi_parse_spcr(bool enable_earlycon, bool enable_console);
1242 #else
1243 static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console)
1244 {
1245         return 0;
1246 }
1247 #endif
1248 
1249 #if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1250 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1251 #else
1252 static inline
1253 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1254 {
1255         return -EINVAL;
1256 }
1257 #endif
1258 
1259 #ifdef CONFIG_ACPI_LPIT
1260 int lpit_read_residency_count_address(u64 *address);
1261 #else
1262 static inline int lpit_read_residency_count_address(u64 *address)
1263 {
1264         return -EINVAL;
1265 }
1266 #endif
1267 
1268 #ifdef CONFIG_ACPI_PPTT
1269 int acpi_pptt_cpu_is_thread(unsigned int cpu);
1270 int find_acpi_cpu_topology(unsigned int cpu, int level);
1271 int find_acpi_cpu_topology_package(unsigned int cpu);
1272 int find_acpi_cpu_topology_hetero_id(unsigned int cpu);
1273 int find_acpi_cpu_cache_topology(unsigned int cpu, int level);
1274 #else
1275 static inline int acpi_pptt_cpu_is_thread(unsigned int cpu)
1276 {
1277         return -EINVAL;
1278 }
1279 static inline int find_acpi_cpu_topology(unsigned int cpu, int level)
1280 {
1281         return -EINVAL;
1282 }
1283 static inline int find_acpi_cpu_topology_package(unsigned int cpu)
1284 {
1285         return -EINVAL;
1286 }
1287 static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu)
1288 {
1289         return -EINVAL;
1290 }
1291 static inline int find_acpi_cpu_cache_topology(unsigned int cpu, int level)
1292 {
1293         return -EINVAL;
1294 }
1295 #endif
1296 
1297 #ifdef CONFIG_ACPI
1298 extern int acpi_platform_notify(struct device *dev, enum kobject_action action);
1299 #else
1300 static inline int
1301 acpi_platform_notify(struct device *dev, enum kobject_action action)
1302 {
1303         return 0;
1304 }
1305 #endif
1306 
1307 #endif  /*_LINUX_ACPI_H*/

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