DBCOOL_REVISION_REG
r_id = dc->dc_readreg(dc, DBCOOL_REVISION_REG);
r_id = dc->dc_readreg(dc, DBCOOL_REVISION_REG);
ver = sc->sc_dc.dc_readreg(&sc->sc_dc, DBCOOL_REVISION_REG);
#define DBCOOL_ADM1030_REVISION DBCOOL_REVISION_REG