57 lines
2.8 KiB
C
57 lines
2.8 KiB
C
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//
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// Direct Access IOCTLs
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//
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#define IOCTL_CMBATT_UID \
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CTL_CODE(FILE_DEVICE_BATTERY, 0x101, METHOD_BUFFERED, FILE_READ_ACCESS)
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#define IOCTL_CMBATT_STA \
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CTL_CODE(FILE_DEVICE_BATTERY, 0x102, METHOD_BUFFERED, FILE_READ_ACCESS)
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#define IOCTL_CMBATT_PSR \
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CTL_CODE(FILE_DEVICE_BATTERY, 0x103, METHOD_BUFFERED, FILE_READ_ACCESS)
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#define IOCTL_CMBATT_BTP \
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CTL_CODE(FILE_DEVICE_BATTERY, 0x104, METHOD_BUFFERED, FILE_WRITE_ACCESS)
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#define IOCTL_CMBATT_BIF \
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CTL_CODE(FILE_DEVICE_BATTERY, 0x105, METHOD_BUFFERED, FILE_READ_ACCESS)
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#define IOCTL_CMBATT_BST \
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CTL_CODE(FILE_DEVICE_BATTERY, 0x106, METHOD_BUFFERED, FILE_READ_ACCESS)
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#if (CMB_DIRECT_IOCTL_ONLY != 1)
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#define CM_MAX_STRING_LENGTH 256
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//
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// This is the static data defined by the ACPI spec for the control method battery
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// It is returned by the _BIF control method
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//
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typedef struct {
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ULONG PowerUnit; // units used by interface 0:mWh or 1:mAh
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ULONG DesignCapacity; // Nominal capacity of a new battery
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ULONG LastFullChargeCapacity; // Predicted capacity when fully charged
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ULONG BatteryTechnology; // 0:Primary (not rechargable), 1:Secondary (rechargable)
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ULONG DesignVoltage; // Nominal voltage of a new battery
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ULONG DesignCapacityOfWarning; // OEM-designed battery warning capacity
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ULONG DesignCapacityOfLow; // OEM-designed battery low capacity
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ULONG BatteryCapacityGran_1; // capacity granularity between low and warning
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ULONG BatteryCapacityGran_2; // capacity granularity between warning and full
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UCHAR ModelNumber[CM_MAX_STRING_LENGTH];
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UCHAR SerialNumber[CM_MAX_STRING_LENGTH];
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UCHAR BatteryType[CM_MAX_STRING_LENGTH];
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UCHAR OEMInformation[CM_MAX_STRING_LENGTH];
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} CM_BIF_BAT_INFO, *PCM_BIF_BAT_INFO;
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//
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// This is the battery status data defined by the ACPI spec for a control method battery
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// It is returned by the _BST control method
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//
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typedef struct {
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ULONG BatteryState; // Charging/Discharging/Critical
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ULONG PresentRate; // Present draw rate in units defined by PowerUnit
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// Unsigned value, direction is determined by BatteryState
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ULONG RemainingCapacity; // Estimated remaining capacity, units defined by PowerUnit
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ULONG PresentVoltage; // Present voltage across the battery terminals
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} CM_BST_BAT_INFO, *PCM_BST_BAT_INFO;
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#endif // (CMB_DIRECT_IOCTL_ONLY != 1)
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