SF_CDTXCOFF       812 dev/ic/aic6915.h #define	SF_CDTXCADDR(sc, x)	((sc)->sc_cddma + SF_CDTXCOFF((x)))
SF_CDTXCOFF       822 dev/ic/aic6915.h 	    SF_CDTXCOFF((x)), sizeof(struct sf_tcd), (ops))