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  1. /*
  2.  * acpi/internal.h
  3.  * For use by Linux/ACPI infrastructure, not drivers
  4.  *
  5.  * Copyright (c) 2009, Intel Corporation.
  6.  *
  7.  * This program is free software; you can redistribute it and/or modify it
  8.  * under the terms and conditions of the GNU General Public License,
  9.  * version 2, as published by the Free Software Foundation.
  10.  *
  11.  * This program is distributed in the hope it will be useful, but WITHOUT
  12.  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13.  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14.  * more details.
  15.  *
  16.  */
  17.  
  18. #ifndef _ACPI_INTERNAL_H_
  19. #define _ACPI_INTERNAL_H_
  20.  
  21. #define PREFIX "ACPI: "
  22.  
  23. acpi_status acpi_os_initialize1(void);
  24. void init_acpi_device_notify(void);
  25. int acpi_scan_init(void);
  26. void acpi_pci_root_init(void);
  27. void acpi_pci_link_init(void);
  28. void acpi_processor_init(void);
  29. void acpi_platform_init(void);
  30. void acpi_pnp_init(void);
  31. void acpi_int340x_thermal_init(void);
  32. int acpi_sysfs_init(void);
  33. void acpi_container_init(void);
  34. void acpi_memory_hotplug_init(void);
  35. #ifdef  CONFIG_ACPI_HOTPLUG_IOAPIC
  36. int acpi_ioapic_add(struct acpi_pci_root *root);
  37. int acpi_ioapic_remove(struct acpi_pci_root *root);
  38. #else
  39. static inline int acpi_ioapic_add(struct acpi_pci_root *root) { return 0; }
  40. static inline int acpi_ioapic_remove(struct acpi_pci_root *root) { return 0; }
  41. #endif
  42. #ifdef CONFIG_ACPI_DOCK
  43. void register_dock_dependent_device(struct acpi_device *adev,
  44.                                     acpi_handle dshandle);
  45. int dock_notify(struct acpi_device *adev, u32 event);
  46. void acpi_dock_add(struct acpi_device *adev);
  47. #else
  48. static inline void register_dock_dependent_device(struct acpi_device *adev,
  49.                                                   acpi_handle dshandle) {}
  50. static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; }
  51. static inline void acpi_dock_add(struct acpi_device *adev) {}
  52. #endif
  53. #ifdef CONFIG_X86
  54. void acpi_cmos_rtc_init(void);
  55. #else
  56. static inline void acpi_cmos_rtc_init(void) {}
  57. #endif
  58. int acpi_rev_override_setup(char *str);
  59.  
  60. extern bool acpi_force_hot_remove;
  61.  
  62. void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
  63.                                     const char *name);
  64. int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler,
  65.                                        const char *hotplug_profile_name);
  66. void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val);
  67.  
  68. #ifdef CONFIG_DEBUG_FS
  69. extern struct dentry *acpi_debugfs_dir;
  70. void acpi_debugfs_init(void);
  71. #else
  72. static inline void acpi_debugfs_init(void) { return; }
  73. #endif
  74. void acpi_lpss_init(void);
  75.  
  76. void acpi_apd_init(void);
  77.  
  78. acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src);
  79. bool acpi_queue_hotplug_work(struct work_struct *work);
  80. void acpi_device_hotplug(struct acpi_device *adev, u32 src);
  81. bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent);
  82.  
  83. /* --------------------------------------------------------------------------
  84.                      Device Node Initialization / Removal
  85.    -------------------------------------------------------------------------- */
  86. #define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \
  87.                           ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING)
  88.  
  89. int acpi_device_add(struct acpi_device *device,
  90.                     void (*release)(struct device *));
  91. void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
  92.                              int type, unsigned long long sta);
  93. int acpi_device_setup_files(struct acpi_device *dev);
  94. void acpi_device_remove_files(struct acpi_device *dev);
  95. void acpi_device_add_finalize(struct acpi_device *device);
  96. void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
  97. bool acpi_device_is_present(struct acpi_device *adev);
  98. bool acpi_device_is_battery(struct acpi_device *adev);
  99. bool acpi_device_is_first_physical_node(struct acpi_device *adev,
  100.                                         const struct device *dev);
  101.  
  102. /* --------------------------------------------------------------------------
  103.                      Device Matching and Notification
  104.    -------------------------------------------------------------------------- */
  105. struct acpi_device *acpi_companion_match(const struct device *dev);
  106. int __acpi_device_uevent_modalias(struct acpi_device *adev,
  107.                                   struct kobj_uevent_env *env);
  108.  
  109. /* --------------------------------------------------------------------------
  110.                                   Power Resource
  111.    -------------------------------------------------------------------------- */
  112. int acpi_power_init(void);
  113. void acpi_power_resources_list_free(struct list_head *list);
  114. int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
  115.                                  struct list_head *list);
  116. int acpi_add_power_resource(acpi_handle handle);
  117. void acpi_power_add_remove_device(struct acpi_device *adev, bool add);
  118. int acpi_power_wakeup_list_init(struct list_head *list, int *system_level);
  119. int acpi_device_sleep_wake(struct acpi_device *dev,
  120.                            int enable, int sleep_state, int dev_state);
  121. int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
  122. int acpi_power_on_resources(struct acpi_device *device, int state);
  123. int acpi_power_transition(struct acpi_device *device, int state);
  124.  
  125. int acpi_wakeup_device_init(void);
  126.  
  127. #ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC
  128. void acpi_early_processor_set_pdc(void);
  129. #else
  130. static inline void acpi_early_processor_set_pdc(void) {}
  131. #endif
  132.  
  133. #ifdef CONFIG_X86
  134. void acpi_early_processor_osc(void);
  135. #else
  136. static inline void acpi_early_processor_osc(void) {}
  137. #endif
  138.  
  139. /* --------------------------------------------------------------------------
  140.                                   Embedded Controller
  141.    -------------------------------------------------------------------------- */
  142. struct acpi_ec {
  143.         acpi_handle handle;
  144.         unsigned long gpe;
  145.         unsigned long command_addr;
  146.         unsigned long data_addr;
  147.         bool global_lock;
  148.         unsigned long flags;
  149.         unsigned long reference_count;
  150.         struct mutex mutex;
  151.         wait_queue_head_t wait;
  152.         struct list_head list;
  153.         struct transaction *curr;
  154.         spinlock_t lock;
  155.         struct work_struct work;
  156.         unsigned long timestamp;
  157.         unsigned long nr_pending_queries;
  158. };
  159.  
  160. extern struct acpi_ec *first_ec;
  161.  
  162. /* If we find an EC via the ECDT, we need to keep a ptr to its context */
  163. /* External interfaces use first EC only, so remember */
  164. typedef int (*acpi_ec_query_func) (void *data);
  165.  
  166. int acpi_ec_init(void);
  167. int acpi_ec_ecdt_probe(void);
  168. int acpi_boot_ec_enable(void);
  169. void acpi_ec_block_transactions(void);
  170. void acpi_ec_unblock_transactions(void);
  171. void acpi_ec_unblock_transactions_early(void);
  172. int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit,
  173.                               acpi_handle handle, acpi_ec_query_func func,
  174.                               void *data);
  175. void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit);
  176.  
  177.  
  178. /*--------------------------------------------------------------------------
  179.                                   Suspend/Resume
  180.   -------------------------------------------------------------------------- */
  181. #ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT
  182. extern int acpi_sleep_init(void);
  183. #else
  184. static inline int acpi_sleep_init(void) { return -ENXIO; }
  185. #endif
  186.  
  187. #ifdef CONFIG_ACPI_SLEEP
  188. void acpi_sleep_proc_init(void);
  189. int suspend_nvs_alloc(void);
  190. void suspend_nvs_free(void);
  191. int suspend_nvs_save(void);
  192. void suspend_nvs_restore(void);
  193. #else
  194. static inline void acpi_sleep_proc_init(void) {}
  195. static inline int suspend_nvs_alloc(void) { return 0; }
  196. static inline void suspend_nvs_free(void) {}
  197. static inline int suspend_nvs_save(void) { return 0; }
  198. static inline void suspend_nvs_restore(void) {}
  199. #endif
  200.  
  201. /*--------------------------------------------------------------------------
  202.                                 Device properties
  203.   -------------------------------------------------------------------------- */
  204. #define ACPI_DT_NAMESPACE_HID   "PRP0001"
  205.  
  206. void acpi_init_properties(struct acpi_device *adev);
  207. void acpi_free_properties(struct acpi_device *adev);
  208.  
  209. #endif /* _ACPI_INTERNAL_H_ */
  210.