FCR_MEDIABAY_ENABLE
if ((fcr & (FCR_MEDIABAY_ENABLE | FCR_MEDIABAY_IDE_ENABLE
| FCR_MEDIABAY_CD_POWER)) != (FCR_MEDIABAY_ENABLE
fcr |= FCR_MEDIABAY_ENABLE | FCR_MEDIABAY_RESET;
fcr &= ~(FCR_MEDIABAY_ENABLE | FCR_MEDIABAY_IDE_ENABLE |
fcr &= ~(FCR_MEDIABAY_ENABLE |