IT87_TCR1
outb(inb(dev->cir_addr + IT87_TCR1) | IT87_FIFOCLR,
dev->cir_addr + IT87_TCR1);
outb(IT87_FIFOCLR | inb(dev->cir_addr + IT87_TCR1),
dev->cir_addr + IT87_TCR1);
dev->cir_addr + IT87_TCR1);