LXR linux/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
  26acpi_status acpi_os_initialize1(void);
  27int init_acpi_device_notify(void);
  28int acpi_scan_init(void);
  29void acpi_pci_root_init(void);
  30void acpi_pci_link_init(void);
  31void acpi_pci_root_hp_init(void);
  32void acpi_processor_init(void);
  33void acpi_platform_init(void);
  34int acpi_sysfs_init(void);
  35#ifdef CONFIG_ACPI_CONTAINER
  36void acpi_container_init(void);
  37#else
  38static inline void acpi_container_init(void) {}
  39#endif
  40#ifdef CONFIG_ACPI_DOCK
  41void acpi_dock_init(void);
  42#else
  43static inline void acpi_dock_init(void) {}
  44#endif
  45#ifdef CONFIG_ACPI_HOTPLUG_MEMORY
  46void acpi_memory_hotplug_init(void);
  47#else
  48static inline void acpi_memory_hotplug_init(void) {}
  49#endif
  50#ifdef CONFIG_X86
  51void acpi_cmos_rtc_init(void);
  52#else
  53static inline void acpi_cmos_rtc_init(void) {}
  54#endif
  55
  56extern bool acpi_force_hot_remove;
  57
  58void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
  59                                    const char *name);
  60int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler,
  61                                       const char *hotplug_profile_name);
  62void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val);
  63
  64#ifdef CONFIG_DEBUG_FS
  65extern struct dentry *acpi_debugfs_dir;
  66int acpi_debugfs_init(void);
  67#else
  68static inline void acpi_debugfs_init(void) { return; }
  69#endif
  70#ifdef CONFIG_X86_INTEL_LPSS
  71void acpi_lpss_init(void);
  72#else
  73static inline void acpi_lpss_init(void) {}
  74#endif
  75
  76/* --------------------------------------------------------------------------
  77                     Device Node Initialization / Removal
  78   -------------------------------------------------------------------------- */
  79#define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \
  80                          ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING)
  81
  82int acpi_device_add(struct acpi_device *device,
  83                    void (*release)(struct device *));
  84void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
  85                             int type, unsigned long long sta);
  86void acpi_device_add_finalize(struct acpi_device *device);
  87void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
  88int acpi_bind_one(struct device *dev, acpi_handle handle);
  89int acpi_unbind_one(struct device *dev);
  90void acpi_bus_device_eject(void *data, u32 ost_src);
  91
  92/* --------------------------------------------------------------------------
  93                                  Power Resource
  94   -------------------------------------------------------------------------- */
  95int acpi_power_init(void);
  96void acpi_power_resources_list_free(struct list_head *list);
  97int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
  98                                 struct list_head *list);
  99int acpi_add_power_resource(acpi_handle handle);
 100void acpi_power_add_remove_device(struct acpi_device *adev, bool add);
 101int acpi_power_wakeup_list_init(struct list_head *list, int *system_level);
 102int acpi_device_sleep_wake(struct acpi_device *dev,
 103                           int enable, int sleep_state, int dev_state);
 104int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
 105int acpi_power_on_resources(struct acpi_device *device, int state);
 106int acpi_power_transition(struct acpi_device *device, int state);
 107
 108int acpi_wakeup_device_init(void);
 109void acpi_early_processor_set_pdc(void);
 110
 111/* --------------------------------------------------------------------------
 112                                  Embedded Controller
 113   -------------------------------------------------------------------------- */
 114struct acpi_ec {
 115        acpi_handle handle;
 116        unsigned long gpe;
 117        unsigned long command_addr;
 118        unsigned long data_addr;
 119        unsigned long global_lock;
 120        unsigned long flags;
 121        struct mutex mutex;
 122        wait_queue_head_t wait;
 123        struct list_head list;
 124        struct transaction *curr;
 125        spinlock_t lock;
 126};
 127
 128extern struct acpi_ec *first_ec;
 129
 130int acpi_ec_init(void);
 131int acpi_ec_ecdt_probe(void);
 132int acpi_boot_ec_enable(void);
 133void acpi_ec_block_transactions(void);
 134void acpi_ec_unblock_transactions(void);
 135void acpi_ec_unblock_transactions_early(void);
 136
 137/*--------------------------------------------------------------------------
 138                                  Suspend/Resume
 139  -------------------------------------------------------------------------- */
 140extern int acpi_sleep_init(void);
 141
 142#ifdef CONFIG_ACPI_SLEEP
 143int acpi_sleep_proc_init(void);
 144int suspend_nvs_alloc(void);
 145void suspend_nvs_free(void);
 146int suspend_nvs_save(void);
 147void suspend_nvs_restore(void);
 148#else
 149static inline int acpi_sleep_proc_init(void) { return 0; }
 150static inline int suspend_nvs_alloc(void) { return 0; }
 151static inline void suspend_nvs_free(void) {}
 152static inline int suspend_nvs_save(void) { return 0; }
 153static inline void suspend_nvs_restore(void) {}
 154#endif
 155
 156/*--------------------------------------------------------------------------
 157                                Platform bus support
 158  -------------------------------------------------------------------------- */
 159struct platform_device;
 160
 161int acpi_create_platform_device(struct acpi_device *adev,
 162                                const struct acpi_device_id *id);
 163
 164/*--------------------------------------------------------------------------
 165                                        Video
 166  -------------------------------------------------------------------------- */
 167#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
 168bool acpi_osi_is_win8(void);
 169#endif
 170
 171#endif /* _ACPI_INTERNAL_H_ */
 172