VIA_RP_CONTROL
via_wr(via, via->pch[i].rbase + VIA_RP_CONTROL,
via_wr(via, via->rch[i].rbase + VIA_RP_CONTROL,
via_wr(via, ch->rbase + VIA_RP_CONTROL, SGD_CONTROL_STOP, 1);
via_wr(via, ch->rbase + VIA_RP_CONTROL, 0x00, 1);
via_wr(via, ch->rbase + VIA_RP_CONTROL,
via_wr(via, ch->rbase + VIA_RP_CONTROL, SGD_CONTROL_STOP, 1);