headers/private/device/power_managment.h

   1 /*
   2  * Copyright 2004-2011, Haiku, Inc. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef POWER_MANAGMENT_H
   6 #define POWER_MANAGMENT_H
   7
   8
   9 #include <Drivers.h>
  10
  11
  12 // io controls
  13 enum {
  14         // ioctl response with kMagicFreqID
  15         IDENTIFY_DEVICE = B_DEVICE_OP_CODES_END + 20001,
  16
  17         GET_BATTERY_INFO,
  18         GET_EXTENDED_BATTERY_INFO,
  19         WATCH_BATTERY,
  20         STOP_WATCHING_BATTERY
  21 };
  22
  23
  24 // ACPI Battery:
  25 // magic id returned by IDENTIFY_DEVICE
  26 const uint32 kMagicACPIBatteryID = 17822;
  27
  28
  29 // Our known battery states
  30 #define BATTERY_DISCHARGING             0x01
  31 #define BATTERY_CHARGING                0x02
  32 #define BATTERY_CRITICAL_STATE  0x04
  33
  34
  35 typedef struct {
  36         int             state;
  37         int             current_rate;
  38         int     capacity;
  39         int             voltage;
  40 } acpi_battery_info;
  41
  42
  43 typedef struct {
  44         int             power_unit;
  45         int             design_capacity;
  46         int             last_full_charge;
  47         int             technology;
  48         int     design_voltage;
  49         int             design_capacity_warning;
  50         int             design_capacity_low;
  51         int             capacity_granularity_1;
  52         int             capacity_granularity_2;
  53         char    model_number[32];
  54         char    serial_number[32];
  55         char    type[32];
  56         char    oem_info[32];
  57 } acpi_extended_battery_info;
  58
  59
  60 #endif