drivers/acpi/internal.h

   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  * You should have received a copy of the GNU General Public License along with
  17  * this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20
  21 #ifndef _ACPI_INTERNAL_H_
  22 #define _ACPI_INTERNAL_H_
  23
  24 #define PREFIX "ACPI: "
  25
  26 int init_acpi_device_notify(void);
  27 int acpi_scan_init(void);
  28 #ifdef  CONFIG_ACPI_PCI_SLOT
  29 void acpi_pci_slot_init(void);
  30 #else
  31 static inline void acpi_pci_slot_init(void) { }
  32 #endif
  33 void acpi_pci_root_init(void);
  34 void acpi_pci_link_init(void);
  35 void acpi_pci_root_hp_init(void);
  36 void acpi_processor_init(void);
  37 void acpi_platform_init(void);
  38 int acpi_sysfs_init(void);
  39 #ifdef CONFIG_ACPI_CONTAINER
  40 void acpi_container_init(void);
  41 #else
  42 static inline void acpi_container_init(void) {}
  43 #endif
  44 #ifdef CONFIG_ACPI_DOCK
  45 void acpi_dock_init(void);
  46 #else
  47 static inline void acpi_dock_init(void) {}
  48 #endif
  49 #ifdef CONFIG_ACPI_HOTPLUG_MEMORY
  50 void acpi_memory_hotplug_init(void);
  51 #else
  52 static inline void acpi_memory_hotplug_init(void) {}
  53 #endif
  54 #ifdef CONFIG_X86
  55 void acpi_cmos_rtc_init(void);
  56 #else
  57 static inline void acpi_cmos_rtc_init(void) {}
  58 #endif
  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 int acpi_debugfs_init(void);
  71 #else
  72 static inline void acpi_debugfs_init(void) { return; }
  73 #endif
  74 #ifdef CONFIG_X86_INTEL_LPSS
  75 void acpi_lpss_init(void);
  76 #else
  77 static inline void acpi_lpss_init(void) {}
  78 #endif
  79
  80 /* --------------------------------------------------------------------------
  81                      Device Node Initialization / Removal
  82    -------------------------------------------------------------------------- */
  83 #define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \
  84                           ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING)
  85
  86 int acpi_device_add(struct acpi_device *device,
  87                     void (*release)(struct device *));
  88 void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
  89                              int type, unsigned long long sta);
  90 void acpi_device_add_finalize(struct acpi_device *device);
  91 void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
  92 int acpi_bind_one(struct device *dev, acpi_handle handle);
  93 int acpi_unbind_one(struct device *dev);
  94
  95 /* --------------------------------------------------------------------------
  96                                   Power Resource
  97    -------------------------------------------------------------------------- */
  98 int acpi_power_init(void);
  99 void acpi_power_resources_list_free(struct list_head *list);
 100 int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
 101                                  struct list_head *list);
 102 int acpi_add_power_resource(acpi_handle handle);
 103 void acpi_power_add_remove_device(struct acpi_device *adev, bool add);
 104 int acpi_power_wakeup_list_init(struct list_head *list, int *system_level);
 105 int acpi_device_sleep_wake(struct acpi_device *dev,
 106                            int enable, int sleep_state, int dev_state);
 107 int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
 108 int acpi_power_on_resources(struct acpi_device *device, int state);
 109 int acpi_power_transition(struct acpi_device *device, int state);
 110
 111 int acpi_wakeup_device_init(void);
 112 void acpi_early_processor_set_pdc(void);
 113
 114 /* --------------------------------------------------------------------------
 115                                   Embedded Controller
 116    -------------------------------------------------------------------------- */
 117 struct acpi_ec {
 118         acpi_handle handle;
 119         unsigned long gpe;
 120         unsigned long command_addr;
 121         unsigned long data_addr;
 122         unsigned long global_lock;
 123         unsigned long flags;
 124         struct mutex mutex;
 125         wait_queue_head_t wait;
 126         struct list_head list;
 127         struct transaction *curr;
 128         spinlock_t lock;
 129 };
 130
 131 extern struct acpi_ec *first_ec;
 132
 133 int acpi_ec_init(void);
 134 int acpi_ec_ecdt_probe(void);
 135 int acpi_boot_ec_enable(void);
 136 void acpi_ec_block_transactions(void);
 137 void acpi_ec_unblock_transactions(void);
 138 void acpi_ec_unblock_transactions_early(void);
 139
 140 /*--------------------------------------------------------------------------
 141                                   Suspend/Resume
 142   -------------------------------------------------------------------------- */
 143 extern int acpi_sleep_init(void);
 144
 145 #ifdef CONFIG_ACPI_SLEEP
 146 int acpi_sleep_proc_init(void);
 147 int suspend_nvs_alloc(void);
 148 void suspend_nvs_free(void);
 149 int suspend_nvs_save(void);
 150 void suspend_nvs_restore(void);
 151 #else
 152 static inline int acpi_sleep_proc_init(void) { return 0; }
 153 static inline int suspend_nvs_alloc(void) { return 0; }
 154 static inline void suspend_nvs_free(void) {}
 155 static inline int suspend_nvs_save(void) { return 0; }
 156 static inline void suspend_nvs_restore(void) {}
 157 #endif
 158
 159 /*--------------------------------------------------------------------------
 160                                 Platform bus support
 161   -------------------------------------------------------------------------- */
 162 struct platform_device;
 163
 164 int acpi_create_platform_device(struct acpi_device *adev,
 165                                 const struct acpi_device_id *id);
 166
 167 /*--------------------------------------------------------------------------
 168                                         Video
 169   -------------------------------------------------------------------------- */
 170 #if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
 171 bool acpi_video_backlight_quirks(void);
 172 bool acpi_video_verify_backlight_support(void);
 173 #else
 174 static inline bool acpi_video_backlight_quirks(void) { return false; }
 175 static inline bool acpi_video_verify_backlight_support(void) { return false; }
 176 #endif
 177
 178 #endif /* _ACPI_INTERNAL_H_ */