The window function is not supported in the Linux driver. If the Window feature is not enabled in the hardware, then the following registers will not exist:
•HwReg.ColStart
•HwReg.ColEnd
•HwReg.RowStart
•HwReg.RowEnd
•HwReg.K11_2
•HwReg.K12_2
•HwReg.K13_2
•HwReg.K21_2
•HwReg.K22_2
•HwReg.K23_2
• HwReg.K31_2
•HwReg.K32_2
•HwReg.K33_2
•HwReg.ROffset_2
•HwReg.GOffset_2
•HwReg.BOffset_2
•HwReg.ClampMin_2
•HwReg.ClipMax_2