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