DMM32AT_FIFO_CTRL_REG
outb(DMM32AT_FIFO_CTRL_FIFORST, dev->iobase + DMM32AT_FIFO_CTRL_REG);
dev->iobase + DMM32AT_FIFO_CTRL_REG);
outb(0x0, dev->iobase + DMM32AT_FIFO_CTRL_REG);