81 lines
1.6 KiB
C
81 lines
1.6 KiB
C
#ifndef POWER_MANAGMENT_H
|
|
#define POWER_MANAGMENT_H
|
|
|
|
#include <Drivers.h>
|
|
|
|
// io controls
|
|
enum {
|
|
// ioctl response with kMagicFreqID
|
|
IDENTIFY_DEVICE = B_DEVICE_OP_CODES_END + 20001,
|
|
|
|
// CPU Frequence:
|
|
// get a list of freq_info, the list is terminated with a element with
|
|
// frequency = 0
|
|
GET_CPU_FREQ_STATES = B_DEVICE_OP_CODES_END + 20005,
|
|
// get and set a freq_info
|
|
GET_CURENT_CPU_FREQ_STATE,
|
|
SET_CPU_FREQ_STATE,
|
|
// start watching for frequency changes, ioctl blocks until the frequency
|
|
// has changed
|
|
WATCH_CPU_FREQ,
|
|
// stop all watching ioctl, ioctl return B_ERROR
|
|
STOP_WATCHING_CPU_FREQ,
|
|
|
|
GET_BATTERY_INFO,
|
|
GET_EXTENDED_BATTERY_INFO,
|
|
WATCH_BATTERY,
|
|
STOP_WATCHING_BATTERY
|
|
|
|
};
|
|
|
|
// CPU Frequence:
|
|
// magic id returned by IDENTIFY_DEVICE
|
|
const uint32 kMagicFreqID = 48921;
|
|
|
|
|
|
#define MAX_CPU_FREQUENCY_STATES 10
|
|
|
|
typedef struct {
|
|
uint16 frequency; // [Mhz]
|
|
uint16 volts;
|
|
uint16 id;
|
|
int power;
|
|
} freq_info;
|
|
|
|
|
|
// ACPI Battery:
|
|
// magic id returned by IDENTIFY_DEVICE
|
|
const uint32 kMagicACPIBatteryID = 17822;
|
|
|
|
#define BATTERY_DISCHARGING 0x01
|
|
#define BATTERY_CHARGING 0x02
|
|
#define BATTERY_CRITICAL_STATE 0x04
|
|
|
|
|
|
typedef struct {
|
|
int state;
|
|
int current_rate;
|
|
int capacity;
|
|
int voltage;
|
|
} acpi_battery_info;
|
|
|
|
|
|
typedef struct {
|
|
int power_unit;
|
|
int design_capacity;
|
|
int last_full_charge;
|
|
int technology;
|
|
int design_voltage;
|
|
int design_capacity_warning;
|
|
int design_capacity_low;
|
|
int capacity_granularity_1;
|
|
int capacity_granularity_2;
|
|
char model_number[32];
|
|
char serial_number[32];
|
|
char type[32];
|
|
char oem_info[32];
|
|
} acpi_extended_battery_info;
|
|
|
|
|
|
#endif
|