MID_WP_ST_CNT     962 dev/ic/midway.c   EN_WRITE(sc, MID_WP_ST_CNT(0), 0);
MID_WP_ST_CNT    1470 dev/ic/midway.c   EN_WRITE(sc, MID_WP_ST_CNT(vc), 0);	/* write pointer = 0 */
MID_WP_ST_CNT    3150 dev/ic/midway.c 	  EN_READ(sc, MID_WP_ST_CNT(sc->rxslot[slot].atm_vci)));