SR_DATA
val = i810_readb(SR_DATA, mmio);
i810_writeb(SR_DATA, mmio, val);
val = i810_readb(SR_DATA, mmio);
i810_writeb(SR_DATA, mmio, val);
j = i810_readb(SR_DATA, mmio) & 0xE0;
i810_writeb(SR_DATA, mmio, i | j);
par->hw_state.sr01 = i810_readb(SR_DATA, mmio);