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 */
  17
  18#ifndef _ACPI_INTERNAL_H_
  19#define _ACPI_INTERNAL_H_
  20
  21#define PREFIX "ACPI: "
  22
  23void acpi_initrd_initialize_tables(void);
  24acpi_status acpi_os_initialize1(void);
  25void init_acpi_device_notify(void);
  26int acpi_scan_init(void);
  27void acpi_pci_root_init(void);
  28void acpi_pci_link_init(void);
  29void acpi_processor_init(void);
  30void acpi_platform_init(void);
  31void acpi_pnp_init(void);
  32void acpi_int340x_thermal_init(void);
  33#ifdef CONFIG_ARM_AMBA
  34void acpi_amba_init(void);
  35#else
  36static inline void acpi_amba_init(void) {}
  37#endif
  38int acpi_sysfs_init(void);
  39void acpi_container_init(void);
  40void acpi_memory_hotplug_init(void);
  41#ifdef  CONFIG_ACPI_HOTPLUG_IOAPIC
  42int acpi_ioapic_add(struct acpi_pci_root *root);
  43int acpi_ioapic_remove(struct acpi_pci_root *root);
  44#else
  45static inline int acpi_ioapic_add(struct acpi_pci_root *root) { return 0; }
  46static inline int acpi_ioapic_remove(struct acpi_pci_root *root) { return 0; }
  47#endif
  48#ifdef CONFIG_ACPI_DOCK
  49void register_dock_dependent_device(struct acpi_device *adev,
  50                                    acpi_handle dshandle);
  51int dock_notify(struct acpi_device *adev, u32 event);
  52void acpi_dock_add(struct acpi_device *adev);
  53#else
  54static inline void register_dock_dependent_device(struct acpi_device *adev,
  55                                                  acpi_handle dshandle) {}
  56static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; }
  57static inline void acpi_dock_add(struct acpi_device *adev) {}
  58#endif
  59#ifdef CONFIG_X86
  60void acpi_cmos_rtc_init(void);
  61#else
  62static inline void acpi_cmos_rtc_init(void) {}
  63#endif
  64int acpi_rev_override_setup(char *str);
  65
  66extern bool acpi_force_hot_remove;
  67
  68void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
  69                                    const char *name);
  70int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler,
  71                                       const char *hotplug_profile_name);
  72void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val);
  73
  74#ifdef CONFIG_DEBUG_FS
  75extern struct dentry *acpi_debugfs_dir;
  76void acpi_debugfs_init(void);
  77#else
  78static inline void acpi_debugfs_init(void) { return; }
  79#endif
  80void acpi_lpss_init(void);
  81
  82void acpi_apd_init(void);
  83
  84acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src);
  85bool acpi_queue_hotplug_work(struct work_struct *work);
  86void acpi_device_hotplug(struct acpi_device *adev, u32 src);
  87bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent);
  88
  89/* --------------------------------------------------------------------------
  90                     Device Node Initialization / Removal
  91   -------------------------------------------------------------------------- */
  92#define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \
  93                          ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING)
  94
  95extern struct list_head acpi_bus_id_list;
  96
  97struct acpi_device_bus_id {
  98        char bus_id[15];
  99        unsigned int instance_no;
 100        struct list_head node;
 101};
 102
 103int acpi_device_add(struct acpi_device *device,
 104                    void (*release)(struct device *));
 105void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
 106                             int type, unsigned long long sta);
 107int acpi_device_setup_files(struct acpi_device *dev);
 108void acpi_device_remove_files(struct acpi_device *dev);
 109void acpi_device_add_finalize(struct acpi_device *device);
 110void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
 111bool acpi_device_is_present(struct acpi_device *adev);
 112bool acpi_device_is_battery(struct acpi_device *adev);
 113bool acpi_device_is_first_physical_node(struct acpi_device *adev,
 114                                        const struct device *dev);
 115struct device *acpi_get_first_physical_node(struct acpi_device *adev);
 116
 117/* --------------------------------------------------------------------------
 118                     Device Matching and Notification
 119   -------------------------------------------------------------------------- */
 120struct acpi_device *acpi_companion_match(const struct device *dev);
 121int __acpi_device_uevent_modalias(struct acpi_device *adev,
 122                                  struct kobj_uevent_env *env);
 123
 124/* --------------------------------------------------------------------------
 125                                  Power Resource
 126   -------------------------------------------------------------------------- */
 127int acpi_power_init(void);
 128void acpi_power_resources_list_free(struct list_head *list);
 129int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
 130                                 struct list_head *list);
 131int acpi_add_power_resource(acpi_handle handle);
 132void acpi_power_add_remove_device(struct acpi_device *adev, bool add);
 133int acpi_power_wakeup_list_init(struct list_head *list, int *system_level);
 134int acpi_device_sleep_wake(struct acpi_device *dev,
 135                           int enable, int sleep_state, int dev_state);
 136int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
 137int acpi_power_on_resources(struct acpi_device *device, int state);
 138int acpi_power_transition(struct acpi_device *device, int state);
 139
 140int acpi_wakeup_device_init(void);
 141
 142#ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC
 143void acpi_early_processor_set_pdc(void);
 144#else
 145static inline void acpi_early_processor_set_pdc(void) {}
 146#endif
 147
 148#ifdef CONFIG_X86
 149void acpi_early_processor_osc(void);
 150#else
 151static inline void acpi_early_processor_osc(void) {}
 152#endif
 153
 154/* --------------------------------------------------------------------------
 155                                  Embedded Controller
 156   -------------------------------------------------------------------------- */
 157struct acpi_ec {
 158        acpi_handle handle;
 159        unsigned long gpe;
 160        unsigned long command_addr;
 161        unsigned long data_addr;
 162        bool global_lock;
 163        unsigned long flags;
 164        unsigned long reference_count;
 165        struct mutex mutex;
 166        wait_queue_head_t wait;
 167        struct list_head list;
 168        struct transaction *curr;
 169        spinlock_t lock;
 170        struct work_struct work;
 171        unsigned long timestamp;
 172        unsigned long nr_pending_queries;
 173};
 174
 175extern struct acpi_ec *first_ec;
 176
 177/* If we find an EC via the ECDT, we need to keep a ptr to its context */
 178/* External interfaces use first EC only, so remember */
 179typedef int (*acpi_ec_query_func) (void *data);
 180
 181int acpi_ec_init(void);
 182int acpi_ec_ecdt_probe(void);
 183int acpi_boot_ec_enable(void);
 184void acpi_ec_block_transactions(void);
 185void acpi_ec_unblock_transactions(void);
 186void acpi_ec_unblock_transactions_early(void);
 187int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit,
 188                              acpi_handle handle, acpi_ec_query_func func,
 189                              void *data);
 190void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit);
 191
 192
 193/*--------------------------------------------------------------------------
 194                                  Suspend/Resume
 195  -------------------------------------------------------------------------- */
 196#ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT
 197extern int acpi_sleep_init(void);
 198#else
 199static inline int acpi_sleep_init(void) { return -ENXIO; }
 200#endif
 201
 202#ifdef CONFIG_ACPI_SLEEP
 203void acpi_sleep_proc_init(void);
 204int suspend_nvs_alloc(void);
 205void suspend_nvs_free(void);
 206int suspend_nvs_save(void);
 207void suspend_nvs_restore(void);
 208#else
 209static inline void acpi_sleep_proc_init(void) {}
 210static inline int suspend_nvs_alloc(void) { return 0; }
 211static inline void suspend_nvs_free(void) {}
 212static inline int suspend_nvs_save(void) { return 0; }
 213static inline void suspend_nvs_restore(void) {}
 214#endif
 215
 216/*--------------------------------------------------------------------------
 217                                Device properties
 218  -------------------------------------------------------------------------- */
 219#define ACPI_DT_NAMESPACE_HID   "PRP0001"
 220
 221void acpi_init_properties(struct acpi_device *adev);
 222void acpi_free_properties(struct acpi_device *adev);
 223
 224#endif /* _ACPI_INTERNAL_H_ */
 225