PSC_AC97CFG_DE_ENABLE
__raw_writel(pscdata->cfg | PSC_AC97CFG_DE_ENABLE, AC97_CFG(pscdata));
__raw_writel(r & ~PSC_AC97CFG_DE_ENABLE, AC97_CFG(pscdata));
__raw_writel(r | PSC_AC97CFG_DE_ENABLE, AC97_CFG(pscdata));
PSC_AC97CFG_DE_ENABLE;