int
mcd_getresult(struct mcd_softc *sc, struct mcd_result *res)
{
int i, x;
if (sc->debug)
printf("%s: mcd_getresult: %d", device_xname(sc->sc_dev),
res->length);
if ((x = mcd_getreply(sc)) < 0) {
if (sc->debug)
printf(" timeout\n");
else if (!sc->probe)
printf("%s: timeout in getresult\n", device_xname(sc->sc_dev));
return EIO;
}
if (sc->debug)
printf(" %02x", (u_int)x);
sc->status = x;
mcd_setflags(sc);
if ((sc->status & MCD_ST_CMDCHECK) != 0)
return EINVAL;
for (i = 0; i < res->length; i++) {
if ((x = mcd_getreply(sc)) < 0) {
if (sc->debug)
printf(" timeout\n");
else
printf("%s: timeout in getresult\n", device_xname(sc->sc_dev));
return EIO;
}
if (sc->debug)
printf(" %02x", (u_int)x);
res->data.raw.data[i] = x;
}
if (sc->debug)
printf(" succeeded\n");
#ifdef MCDDEBUG
delay(10);
while ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_XFER) &
MCD_XF_STATUSUNAVAIL) == 0) {
x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_STATUS);
printf("%s: got extra byte %02x during getstatus\n",
device_xname(sc->sc_dev), (u_int)x);
delay(10);
}
#endif
return 0;
}
static int
mcd_get(struct mcd_softc *sc, char *buf, int nmax)
{
int i,k;
for (i=0; i<nmax; i++) {
/* wait for data */
if ((k = mcd_getreply(sc, DELAY_GETREPLY)) < 0) {
device_printf(sc->dev, "timeout mcd_get\n");
return (-1);
}
buf[i] = k;
}
return (i);
}
static int
mcd_getstat(struct mcd_softc *sc, int sflg)
{
int i;
/* get the status */
if (sflg)
MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDGETSTAT);
i = mcd_getreply(sc, DELAY_GETREPLY);
if (i<0 || (i & MCD_ST_CMDCHECK)) {
sc->data.curr_mode = MCD_MD_UNKNOWN;
return (-1);
}
sc->data.status = i;
if (mcd_setflags(sc) < 0)
return (-2);
return (sc->data.status);
}