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);
  38#ifdef CONFIG_ACPI_CONTAINER
  39void acpi_container_init(void);
  40#else
  41static inline void acpi_container_init(void) {}
  42#endif
  43#ifdef CONFIG_ACPI_DOCK
  44void acpi_dock_init(void);
  45#else
  46static inline void acpi_dock_init(void) {}
  47#endif
  48#ifdef CONFIG_ACPI_HOTPLUG_MEMORY
  49void acpi_memory_hotplug_init(void);
  50#else
  51static inline void acpi_memory_hotplug_init(void) {}
  52#endif
  53
  54void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
  55                                    const char *name);
  56int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler,
  57                                       const char *hotplug_profile_name);
  58void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val);
  59
  60#ifdef CONFIG_DEBUG_FS
  61extern struct dentry *acpi_debugfs_dir;
  62int acpi_debugfs_init(void);
  63#else
  64static inline void acpi_debugfs_init(void) { return; }
  65#endif
  66#ifdef CONFIG_X86_INTEL_LPSS
  67void acpi_lpss_init(void);
  68#else
  69static inline void acpi_lpss_init(void) {}
  70#endif
  71
  72/* --------------------------------------------------------------------------
  73                     Device Node Initialization / Removal
  74   -------------------------------------------------------------------------- */
  75#define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \
  76                          ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING)
  77
  78int acpi_device_add(struct acpi_device *device,
  79                    void (*release)(struct device *));
  80void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
  81                             int type, unsigned long long sta);
  82void acpi_device_add_finalize(struct acpi_device *device);
  83void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
  84
  85/* --------------------------------------------------------------------------
  86                                  Power Resource
  87   -------------------------------------------------------------------------- */
  88int acpi_power_init(void);
  89void acpi_power_resources_list_free(struct list_head *list);
  90int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
  91                                 struct list_head *list);
  92int acpi_add_power_resource(acpi_handle handle);
  93void acpi_power_add_remove_device(struct acpi_device *adev, bool add);
  94int acpi_power_wakeup_list_init(struct list_head *list, int *system_level);
  95int acpi_device_sleep_wake(struct acpi_device *dev,
  96                           int enable, int sleep_state, int dev_state);
  97int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
  98int acpi_power_on_resources(struct acpi_device *device, int state);
  99int acpi_power_transition(struct acpi_device *device, int state);
 100
 101int acpi_wakeup_device_init(void);
 102void acpi_early_processor_set_pdc(void);
 103
 104/* --------------------------------------------------------------------------
 105                                  Embedded Controller
 106   -------------------------------------------------------------------------- */
 107struct acpi_ec {
 108        acpi_handle handle;
 109        unsigned long gpe;
 110        unsigned long command_addr;
 111        unsigned long data_addr;
 112        unsigned long global_lock;
 113        unsigned long flags;
 114        struct mutex mutex;
 115        wait_queue_head_t wait;
 116        struct list_head list;
 117        struct transaction *curr;
 118        spinlock_t lock;
 119};
 120
 121extern struct acpi_ec *first_ec;
 122
 123int acpi_ec_init(void);
 124int acpi_ec_ecdt_probe(void);
 125int acpi_boot_ec_enable(void);
 126void acpi_ec_block_transactions(void);
 127void acpi_ec_unblock_transactions(void);
 128void acpi_ec_unblock_transactions_early(void);
 129
 130/*--------------------------------------------------------------------------
 131                                  Suspend/Resume
 132  -------------------------------------------------------------------------- */
 133extern int acpi_sleep_init(void);
 134
 135#ifdef CONFIG_ACPI_SLEEP
 136int acpi_sleep_proc_init(void);
 137int suspend_nvs_alloc(void);
 138void suspend_nvs_free(void);
 139int suspend_nvs_save(void);
 140void suspend_nvs_restore(void);
 141#else
 142static inline int acpi_sleep_proc_init(void) { return 0; }
 143static inline int suspend_nvs_alloc(void) { return 0; }
 144static inline void suspend_nvs_free(void) {}
 145static inline int suspend_nvs_save(void) { return 0; }
 146static inline void suspend_nvs_restore(void) {}
 147#endif
 148
 149/*--------------------------------------------------------------------------
 150                                Platform bus support
 151  -------------------------------------------------------------------------- */
 152struct platform_device;
 153
 154int acpi_create_platform_device(struct acpi_device *adev,
 155                                const struct acpi_device_id *id);
 156
 157#endif /* _ACPI_INTERNAL_H_ */
 158
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