atp_writew_base
atp_writew_base(atpdev, 0x34, n);
atp_writew_base(atpdev, 0x34, n);
atp_writew_base(atpdev, 0x34, n);
atp_writew_base(atpdev, 0x34, n);
atp_writew_base(atpdev, 0x34, 0);
atp_writew_base(atpdev, 0x3c, n);
atp_writew_base(atpdev, 0x3c, n++);
atp_writew_base(atpdev, 0x3c, n++);