MIDX_READPTR     1422 dev/ic/midway.c     EN_WRITE(sc, MIDX_READPTR(slot), 0);
MIDX_READPTR     2028 dev/ic/midway.c 	MIDX_BASE(count), MIDX_SZ(count), EN_READ(sc, MIDX_READPTR(chan)), 
MIDX_READPTR     2391 dev/ic/midway.c 	val = EN_READ(sc, MIDX_READPTR(lcv));	/* current read pointer */
MIDX_READPTR     3134 dev/ic/midway.c 	  EN_READ(sc, MIDX_READPTR(slot)), EN_READ(sc, MIDX_DESCSTART(slot)));