vx2_reg_addr
return inl(vx2_reg_addr(chip, offset));
outl(val, vx2_reg_addr(chip, offset));
unsigned long port = vx2_reg_addr(chip, VX_DMA);
unsigned long port = vx2_reg_addr(chip, VX_DMA);
return inb(vx2_reg_addr(chip, offset));
outb(val, vx2_reg_addr(chip, offset));