void
rtattach(struct rt_softc *sc) {
sc->sc_freq = MIN_FM_FREQ;
sc->sc_mute = 0;
sc->sc_vol = 0;
sc->sc_rf = LM700X_REF_050;
sc->sc_stereo = LM700X_STEREO;
sc->lm.wzcl = RT_WREN_ON | RT_CLCK_OFF | RT_DATA_OFF;
sc->lm.wzch = RT_WREN_ON | RT_CLCK_ON | RT_DATA_OFF;
sc->lm.wocl = RT_WREN_ON | RT_CLCK_OFF | RT_DATA_ON;
sc->lm.woch = RT_WREN_ON | RT_CLCK_ON | RT_DATA_ON;
switch (sc->sc_ct) {
case CARD_RADIOTRACK:
sc->lm.initdata = 0;
sc->lm.rsetdata = RT_SIGNAL_METER;
sc->lm.init = rt_lm700x_init;
sc->lm.rset = rt_lm700x_rset;
break;
case CARD_SF16FMI:
sc->lm.initdata = RT_CARD_OFF;
sc->lm.rsetdata = RT_CARD_ON;
sc->lm.init = sfi_lm700x_init;
sc->lm.rset = sfi_lm700x_init;
break;
}
rt_set_freq(sc, sc->sc_freq);
rt_set_mute(sc, sc->sc_vol);
radio_attach_mi(&rt_hw_if, sc, &sc->sc_dev);
}
int
rt_set_info(void *v, struct radio_info *ri)
{
struct rt_softc *sc = v;
sc->sc_mute = ri->mute ? 1 : 0;
sc->sc_rf = lm700x_encode_ref(ri->rfreq);
switch (sc->sc_ct) {
case CARD_RADIOTRACK:
sc->sc_vol = rt_conv_vol(ri->volume);
break;
case CARD_SF16FMI:
sc->sc_vol = ri->volume ? 1 : 0;
break;
}
/*
* Though SF16-FMI does not set stereo/mono
* it won't hurt to have this
*/
sc->sc_stereo = ri->stereo ? LM700X_STEREO : LM700X_MONO;
rt_set_freq(sc, ri->freq);
rt_set_mute(sc, sc->sc_vol);
return (0);
}
int
rt_set_info(void *v, struct radio_info *ri)
{
struct rt_softc *sc = v;
sc->mute = ri->mute ? 1 : 0;
sc->vol = rt_conv_vol(ri->volume);
sc->stereo = ri->stereo ? LM700X_STEREO : LM700X_MONO;
sc->rf = lm700x_encode_ref(ri->rfreq);
rt_set_freq(sc, ri->freq);
rt_set_mute(sc, sc->vol);
return (0);
}
void
rt_set_freq(struct rt_softc *sc, u_int32_t nfreq)
{
u_int32_t reg;
if (nfreq > MAX_FM_FREQ)
nfreq = MAX_FM_FREQ;
if (nfreq < MIN_FM_FREQ)
nfreq = MIN_FM_FREQ;
sc->sc_freq = nfreq;
reg = lm700x_encode_freq(nfreq, sc->sc_rf);
reg |= sc->sc_stereo | sc->sc_rf | LM700X_DIVIDER_FM;
lm700x_hardware_write(&sc->lm, reg, RT_VOLUME_STEADY);
rt_set_mute(sc, sc->sc_vol);
}
