vx2_inl
.in32 = vx2_inl,
#define vx_inl(chip,reg) vx2_inl((struct vx_core*)(chip), VX_##reg)
vx2_inl(chip, port);
vx2_inl(chip, port);
vx2_inl(chip, port);
.in32 = vx2_inl,