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
  26acpi_status acpi_os_initialize1(void);
  27int init_acpi_device_notify(void);
  28int acpi_scan_init(void);
  29#ifdef  CONFIG_ACPI_PCI_SLOT
  30void acpi_pci_slot_init(void);
  31#else
  32static inline void acpi_pci_slot_init(void) { }
  33#endif
  34void acpi_pci_root_init(void);
  35void acpi_pci_link_init(void);
  36void acpi_pci_root_hp_init(void);
  37void acpi_processor_init(void);
  38void acpi_platform_init(void);
  39int acpi_sysfs_init(void);
  40#ifdef CONFIG_ACPI_CONTAINER
  41void acpi_container_init(void);
  42#else
  43static inline void acpi_container_init(void) {}
  44#endif
  45#ifdef CONFIG_ACPI_DOCK
  46void acpi_dock_init(void);
  47#else
  48static inline void acpi_dock_init(void) {}
  49#endif
  50#ifdef CONFIG_ACPI_HOTPLUG_MEMORY
  51void acpi_memory_hotplug_init(void);
  52#else
  53static inline void acpi_memory_hotplug_init(void) {}
  54#endif
  55#ifdef CONFIG_X86
  56void acpi_cmos_rtc_init(void);
  57#else
  58static inline void acpi_cmos_rtc_init(void) {}
  59#endif
  60
  61extern bool acpi_force_hot_remove;
  62
  63void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
  64                                    const char *name);
  65int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler,
  66                                       const char *hotplug_profile_name);
  67void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val);
  68
  69#ifdef CONFIG_DEBUG_FS
  70extern struct dentry *acpi_debugfs_dir;
  71int acpi_debugfs_init(void);
  72#else
  73static inline void acpi_debugfs_init(void) { return; }
  74#endif
  75#ifdef CONFIG_X86_INTEL_LPSS
  76void acpi_lpss_init(void);
  77#else
  78static inline void acpi_lpss_init(void) {}
  79#endif
  80
  81/* --------------------------------------------------------------------------
  82                     Device Node Initialization / Removal
  83   -------------------------------------------------------------------------- */
  84#define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \
  85                          ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING)
  86
  87int acpi_device_add(struct acpi_device *device,
  88                    void (*release)(struct device *));
  89void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
  90                             int type, unsigned long long sta);
  91void acpi_device_add_finalize(struct acpi_device *device);
  92void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
  93int acpi_bind_one(struct device *dev, acpi_handle handle);
  94int acpi_unbind_one(struct device *dev);
  95
  96/* --------------------------------------------------------------------------
  97                                  Power Resource
  98   -------------------------------------------------------------------------- */
  99int acpi_power_init(void);
 100void acpi_power_resources_list_free(struct list_head *list);
 101int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
 102                                 struct list_head *list);
 103int acpi_add_power_resource(acpi_handle handle);
 104void acpi_power_add_remove_device(struct acpi_device *adev, bool add);
 105int acpi_power_wakeup_list_init(struct list_head *list, int *system_level);
 106int acpi_device_sleep_wake(struct acpi_device *dev,
 107                           int enable, int sleep_state, int dev_state);
 108int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
 109int acpi_power_on_resources(struct acpi_device *device, int state);
 110int acpi_power_transition(struct acpi_device *device, int state);
 111
 112int acpi_wakeup_device_init(void);
 113void acpi_early_processor_set_pdc(void);
 114
 115/* --------------------------------------------------------------------------
 116                                  Embedded Controller
 117   -------------------------------------------------------------------------- */
 118struct acpi_ec {
 119        acpi_handle handle;
 120        unsigned long gpe;
 121        unsigned long command_addr;
 122        unsigned long data_addr;
 123        unsigned long global_lock;
 124        unsigned long flags;
 125        struct mutex mutex;
 126        wait_queue_head_t wait;
 127        struct list_head list;
 128        struct transaction *curr;
 129        spinlock_t lock;
 130};
 131
 132extern struct acpi_ec *first_ec;
 133
 134int acpi_ec_init(void);
 135int acpi_ec_ecdt_probe(void);
 136int acpi_boot_ec_enable(void);
 137void acpi_ec_block_transactions(void);
 138void acpi_ec_unblock_transactions(void);
 139void acpi_ec_unblock_transactions_early(void);
 140
 141/*--------------------------------------------------------------------------
 142                                  Suspend/Resume
 143  -------------------------------------------------------------------------- */
 144extern int acpi_sleep_init(void);
 145
 146#ifdef CONFIG_ACPI_SLEEP
 147int acpi_sleep_proc_init(void);
 148int suspend_nvs_alloc(void);
 149void suspend_nvs_free(void);
 150int suspend_nvs_save(void);
 151void suspend_nvs_restore(void);
 152#else
 153static inline int acpi_sleep_proc_init(void) { return 0; }
 154static inline int suspend_nvs_alloc(void) { return 0; }
 155static inline void suspend_nvs_free(void) {}
 156static inline int suspend_nvs_save(void) { return 0; }
 157static inline void suspend_nvs_restore(void) {}
 158#endif
 159
 160/*--------------------------------------------------------------------------
 161                                Platform bus support
 162  -------------------------------------------------------------------------- */
 163struct platform_device;
 164
 165int acpi_create_platform_device(struct acpi_device *adev,
 166                                const struct acpi_device_id *id);
 167
 168/*--------------------------------------------------------------------------
 169                                        Video
 170  -------------------------------------------------------------------------- */
 171#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
 172bool acpi_video_backlight_quirks(void);
 173#else
 174static inline bool acpi_video_backlight_quirks(void) { return false; }
 175#endif
 176
 177#endif /* _ACPI_INTERNAL_H_ */
 178
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