APCI2032_INT_CTRL_REG
outl(enabled_isns, dev->iobase + APCI2032_INT_CTRL_REG);
outl(~val & 3, dev->iobase + APCI2032_INT_CTRL_REG);
outl(0x0, dev->iobase + APCI2032_INT_CTRL_REG);
outl(0x0, dev->iobase + APCI2032_INT_CTRL_REG);