532 	sc->gdata = (volatile struct global_data *)(ptr + FEP_GLOBAL);  in digi_init()
534 	sc->memcmd = ptr + sc->gdata->cstart;  in digi_init()
535 	sc->memevent = ptr + sc->gdata->istart;  in digi_init()
1159 	ehead = sc->gdata->ein;  in digi_intr()
1160 	etail = sc->gdata->eout;  in digi_intr()
1175 		etail = (etail + 4) & sc->gdata->imax;  in digi_intr()
1300 	sc->gdata->eout = etail;  in digi_intr()
1414 	head = port->sc->gdata->cin;  in fepcmd()
1419 	head = (head + 4) & port->sc->gdata->cmax;  in fepcmd()
1420 	port->sc->gdata->cin = head;  in fepcmd()
1423 		head = port->sc->gdata->cin;  in fepcmd()
1424 		tail = port->sc->gdata->cout;  in fepcmd()
1425 		n = (head - tail) & port->sc->gdata->cmax;  in fepcmd()