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_processor_init(void);
  37void acpi_platform_init(void);
  38int acpi_sysfs_init(void);
  39#ifdef CONFIG_ACPI_CONTAINER
  40void acpi_container_init(void);
  41#else
  42static inline void acpi_container_init(void) {}
  43#endif
  44#ifdef CONFIG_ACPI_DOCK
  45void acpi_dock_init(void);
  46#else
  47static inline void acpi_dock_init(void) {}
  48#endif
  49#ifdef CONFIG_ACPI_HOTPLUG_MEMORY
  50void acpi_memory_hotplug_init(void);
  51#else
  52static inline void acpi_memory_hotplug_init(void) {}
  53#endif
  54#ifdef CONFIG_X86
  55void acpi_cmos_rtc_init(void);
  56#else
  57static inline void acpi_cmos_rtc_init(void) {}
  58#endif
  59
  60extern bool acpi_force_hot_remove;
  61
  62void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
  63                                    const char *name);
  64int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler,
  65                                       const char *hotplug_profile_name);
  66void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val);
  67
  68#ifdef CONFIG_DEBUG_FS
  69extern struct dentry *acpi_debugfs_dir;
  70int acpi_debugfs_init(void);
  71#else
  72static inline void acpi_debugfs_init(void) { return; }
  73#endif
  74#ifdef CONFIG_X86_INTEL_LPSS
  75void acpi_lpss_init(void);
  76#else
  77static 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
  86int acpi_device_add(struct acpi_device *device,
  87                    void (*release)(struct device *));
  88void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
  89                             int type, unsigned long long sta);
  90void acpi_device_add_finalize(struct acpi_device *device);
  91void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
  92int acpi_bind_one(struct device *dev, acpi_handle handle);
  93int acpi_unbind_one(struct device *dev);
  94
  95/* --------------------------------------------------------------------------
  96                                  Power Resource
  97   -------------------------------------------------------------------------- */
  98int acpi_power_init(void);
  99void acpi_power_resources_list_free(struct list_head *list);
 100int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
 101                                 struct list_head *list);
 102int acpi_add_power_resource(acpi_handle handle);
 103void acpi_power_add_remove_device(struct acpi_device *adev, bool add);
 104int acpi_power_wakeup_list_init(struct list_head *list, int *system_level);
 105int acpi_device_sleep_wake(struct acpi_device *dev,
 106                           int enable, int sleep_state, int dev_state);
 107int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
 108int acpi_power_on_resources(struct acpi_device *device, int state);
 109int acpi_power_transition(struct acpi_device *device, int state);
 110
 111int acpi_wakeup_device_init(void);
 112void acpi_early_processor_set_pdc(void);
 113
 114/* --------------------------------------------------------------------------
 115                                  Embedded Controller
 116   -------------------------------------------------------------------------- */
 117struct 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
 131extern struct acpi_ec *first_ec;
 132
 133int acpi_ec_init(void);
 134int acpi_ec_ecdt_probe(void);
 135int acpi_boot_ec_enable(void);
 136void acpi_ec_block_transactions(void);
 137void acpi_ec_unblock_transactions(void);
 138void acpi_ec_unblock_transactions_early(void);
 139
 140/*--------------------------------------------------------------------------
 141                                  Suspend/Resume
 142  -------------------------------------------------------------------------- */
 143extern int acpi_sleep_init(void);
 144
 145#ifdef CONFIG_ACPI_SLEEP
 146int acpi_sleep_proc_init(void);
 147int suspend_nvs_alloc(void);
 148void suspend_nvs_free(void);
 149int suspend_nvs_save(void);
 150void suspend_nvs_restore(void);
 151#else
 152static inline int acpi_sleep_proc_init(void) { return 0; }
 153static inline int suspend_nvs_alloc(void) { return 0; }
 154static inline void suspend_nvs_free(void) {}
 155static inline int suspend_nvs_save(void) { return 0; }
 156static inline void suspend_nvs_restore(void) {}
 157#endif
 158
 159/*--------------------------------------------------------------------------
 160                                Platform bus support
 161  -------------------------------------------------------------------------- */
 162struct platform_device;
 163
 164int 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)
 171bool acpi_video_backlight_quirks(void);
 172#else
 173static inline bool acpi_video_backlight_quirks(void) { return false; }
 174#endif
 175
 176#endif /* _ACPI_INTERNAL_H_ */
 177
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