linux/drivers/acpi/internal.h
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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 * 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
  26int init_acpi_device_notify(void);
  27int acpi_scan_init(void);
  28#ifdef  CONFIG_ACPI_PCI_SLOT
  29void acpi_pci_slot_init(void);
  30#else
  31static inline void acpi_pci_slot_init(void) { }
  32#endif
  33void acpi_pci_root_init(void);
  34void acpi_pci_link_init(void);
  35void acpi_pci_root_hp_init(void);
  36void acpi_platform_init(void);
  37int acpi_sysfs_init(void);
  38void acpi_csrt_init(void);
  39#ifdef CONFIG_ACPI_CONTAINER
  40void acpi_container_init(void);
  41#else
  42static inline void acpi_container_init(void) {}
  43#endif
  44
  45#ifdef CONFIG_DEBUG_FS
  46extern struct dentry *acpi_debugfs_dir;
  47int acpi_debugfs_init(void);
  48#else
  49static 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
  58int acpi_device_add(struct acpi_device *device,
  59                    void (*release)(struct device *));
  60void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
  61                             int type, unsigned long long sta);
  62void acpi_device_add_finalize(struct acpi_device *device);
  63void acpi_free_ids(struct acpi_device *device);
  64
  65/* --------------------------------------------------------------------------
  66                                  Power Resource
  67   -------------------------------------------------------------------------- */
  68int acpi_power_init(void);
  69void acpi_power_resources_list_free(struct list_head *list);
  70int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
  71                                 struct list_head *list);
  72int acpi_add_power_resource(acpi_handle handle);
  73void acpi_power_add_remove_device(struct acpi_device *adev, bool add);
  74int acpi_power_wakeup_list_init(struct list_head *list, int *system_level);
  75int acpi_device_sleep_wake(struct acpi_device *dev,
  76                           int enable, int sleep_state, int dev_state);
  77int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
  78int acpi_power_on_resources(struct acpi_device *device, int state);
  79int acpi_power_transition(struct acpi_device *device, int state);
  80
  81int acpi_wakeup_device_init(void);
  82void acpi_early_processor_set_pdc(void);
  83
  84/* --------------------------------------------------------------------------
  85                                  Embedded Controller
  86   -------------------------------------------------------------------------- */
  87struct 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
 101extern struct acpi_ec *first_ec;
 102
 103int acpi_ec_init(void);
 104int acpi_ec_ecdt_probe(void);
 105int acpi_boot_ec_enable(void);
 106void acpi_ec_block_transactions(void);
 107void acpi_ec_unblock_transactions(void);
 108void acpi_ec_unblock_transactions_early(void);
 109
 110/*--------------------------------------------------------------------------
 111                                  Suspend/Resume
 112  -------------------------------------------------------------------------- */
 113extern int acpi_sleep_init(void);
 114
 115#ifdef CONFIG_ACPI_SLEEP
 116int acpi_sleep_proc_init(void);
 117int suspend_nvs_alloc(void);
 118void suspend_nvs_free(void);
 119int suspend_nvs_save(void);
 120void suspend_nvs_restore(void);
 121#else
 122static inline int acpi_sleep_proc_init(void) { return 0; }
 123static inline int suspend_nvs_alloc(void) { return 0; }
 124static inline void suspend_nvs_free(void) {}
 125static inline int suspend_nvs_save(void) { return 0; }
 126static inline void suspend_nvs_restore(void) {}
 127#endif
 128
 129/*--------------------------------------------------------------------------
 130                                Platform bus support
 131  -------------------------------------------------------------------------- */
 132struct platform_device;
 133
 134#endif /* _ACPI_INTERNAL_H_ */
 135
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