WN0_IRQ
outw(0x0f00, ioaddr + WN0_IRQ);
outw((dev->irq << 12) | 0x0f00, ioaddr + WN0_IRQ);
outw(0x0f00, ioaddr + WN0_IRQ);
outw(0x0f00, ioaddr + WN0_IRQ);
irq = inw(ioaddr + WN0_IRQ) >> 12;
outw(0x0f00, ioaddr + WN0_IRQ);