parport_read_control
pi->saved_r2 = parport_read_control(pi->pardev->port) & 0x5F;
#define r_ctr(x) (parport_read_control((x)->port))
reg = parport_read_control(port);
return parport_read_control(p);
data2 = parport_read_control(tgfx->pd->port) ^ 0x04; /* CAVEAT parport */
ctl = parport_read_control (port);
c = parport_read_control(p);
c = parport_read_control(p);