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_platform_init(void);
  37 int acpi_sysfs_init(void);
  38 void acpi_csrt_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
  45 #ifdef CONFIG_DEBUG_FS
  46 extern struct dentry *acpi_debugfs_dir;
  47 int acpi_debugfs_init(void);
  48 #else
  49 static inline void acpi_debugfs_init(void) { return; }
  50 #endif
  51
  52 /* --------------------------------------------------------------------------
  53                      Device Node Initialization / Removal
  54    -------------------------------------------------------------------------- */
  55 #define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \
  56                           ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING)
  57
  58 int acpi_device_add(struct acpi_device *device,
  59                     void (*release)(struct device *));
  60 void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
  61                              int type, unsigned long long sta);
  62 void acpi_device_add_finalize(struct acpi_device *device);
  63 void acpi_free_ids(struct acpi_device *device);
  64
  65 /* --------------------------------------------------------------------------
  66                                   Power Resource
  67    -------------------------------------------------------------------------- */
  68 int acpi_power_init(void);
  69 void acpi_power_resources_list_free(struct list_head *list);
  70 int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
  71                                  struct list_head *list);
  72 int acpi_add_power_resource(acpi_handle handle);
  73 void acpi_power_add_remove_device(struct acpi_device *adev, bool add);
  74 int acpi_power_wakeup_list_init(struct list_head *list, int *system_level);
  75 int acpi_device_sleep_wake(struct acpi_device *dev,
  76                            int enable, int sleep_state, int dev_state);
  77 int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
  78 int acpi_power_on_resources(struct acpi_device *device, int state);
  79 int acpi_power_transition(struct acpi_device *device, int state);
  80
  81 int acpi_wakeup_device_init(void);
  82 void acpi_early_processor_set_pdc(void);
  83
  84 /* --------------------------------------------------------------------------
  85                                   Embedded Controller
  86    -------------------------------------------------------------------------- */
  87 struct acpi_ec {
  88         acpi_handle handle;
  89         unsigned long gpe;
  90         unsigned long command_addr;
  91         unsigned long data_addr;
  92         unsigned long global_lock;
  93         unsigned long flags;
  94         struct mutex mutex;
  95         wait_queue_head_t wait;
  96         struct list_head list;
  97         struct transaction *curr;
  98         spinlock_t lock;
  99 };
 100
 101 extern struct acpi_ec *first_ec;
 102
 103 int acpi_ec_init(void);
 104 int acpi_ec_ecdt_probe(void);
 105 int acpi_boot_ec_enable(void);
 106 void acpi_ec_block_transactions(void);
 107 void acpi_ec_unblock_transactions(void);
 108 void acpi_ec_unblock_transactions_early(void);
 109
 110 /*--------------------------------------------------------------------------
 111                                   Suspend/Resume
 112   -------------------------------------------------------------------------- */
 113 extern int acpi_sleep_init(void);
 114
 115 #ifdef CONFIG_ACPI_SLEEP
 116 int acpi_sleep_proc_init(void);
 117 int suspend_nvs_alloc(void);
 118 void suspend_nvs_free(void);
 119 int suspend_nvs_save(void);
 120 void suspend_nvs_restore(void);
 121 #else
 122 static inline int acpi_sleep_proc_init(void) { return 0; }
 123 static inline int suspend_nvs_alloc(void) { return 0; }
 124 static inline void suspend_nvs_free(void) {}
 125 static inline int suspend_nvs_save(void) { return 0; }
 126 static inline void suspend_nvs_restore(void) {}
 127 #endif
 128
 129 /*--------------------------------------------------------------------------
 130                                 Platform bus support
 131   -------------------------------------------------------------------------- */
 132 struct platform_device;
 133
 134 #endif /* _ACPI_INTERNAL_H_ */