/*
* Attach hardware to driver, attach hardware driver to audio
* pseudo-device driver .
*/
void
ad1848_attach(struct ad1848_softc *sc)
{
static struct ad1848_volume vol_mid = {220, 220};
static struct ad1848_volume vol_0 = {0, 0};
int i;
int timeout;
/* Initialize the ad1848... */
for (i = 0; i < 0x10; i++) {
ad_write(sc, i, ad1848_init_values[i]);
timeout = 100000;
while (timeout > 0 && ADREAD(sc, AD1848_IADDR) & SP_IN_INIT)
timeout--;
}
/* ...and additional CS4231 stuff too */
if (sc->mode >= 2) {
ad_write(sc, SP_INTERFACE_CONFIG, 0); /* disable SINGLE_DMA */
for (i = 0x10; i < 0x20; i++)
if (ad1848_init_values[i] != 0) {
ad_write(sc, i, ad1848_init_values[i]);
timeout = 100000;
while (timeout > 0 &&
ADREAD(sc, AD1848_IADDR) & SP_IN_INIT)
timeout--;
}
}
ad1848_reset(sc);
/* Set default gains */
ad1848_set_rec_gain(sc, &vol_mid);
ad1848_set_channel_gain(sc, AD1848_DAC_CHANNEL, &vol_mid);
ad1848_set_channel_gain(sc, AD1848_MONITOR_CHANNEL, &vol_0);
ad1848_set_channel_gain(sc, AD1848_AUX1_CHANNEL, &vol_mid); /* CD volume */
sc->mute[AD1848_MONITOR_CHANNEL] = MUTE_ALL;
if (sc->mode >= 2
#if AD1845_HACK
&& sc->is_ad1845 == 0
#endif
) {
ad1848_set_channel_gain(sc, AD1848_AUX2_CHANNEL, &vol_mid); /* CD volume */
ad1848_set_channel_gain(sc, AD1848_LINE_CHANNEL, &vol_mid);
ad1848_set_channel_gain(sc, AD1848_MONO_CHANNEL, &vol_0);
sc->mute[AD1848_MONO_CHANNEL] = MUTE_ALL;
} else
ad1848_set_channel_gain(sc, AD1848_AUX2_CHANNEL, &vol_0);
/* Set default port */
ad1848_set_rec_port(sc, MIC_IN_PORT);
printf(": %s", sc->chip_name);
}
int
ad1848_mixer_set_port(struct ad1848_softc *ac, struct ad1848_devmap *map,
int cnt, mixer_ctrl_t *cp)
{
ad1848_devmap_t *entry;
struct ad1848_volume vol;
int error = EINVAL;
int dev;
if (!(entry = ad1848_mixer_find_dev(map, cnt, cp)))
return (ENXIO);
dev = entry->dev;
switch (entry->kind) {
case AD1848_KIND_LVL:
if (cp->type != AUDIO_MIXER_VALUE)
break;
if (dev < AD1848_AUX2_CHANNEL ||
dev > AD1848_MONITOR_CHANNEL)
break;
if (cp->un.value.num_channels != 1 &&
mixer_channel_info[dev].right_reg == 0)
break;
ad1848_to_vol(cp, &vol);
error = ad1848_set_channel_gain(ac, dev, &vol);
break;
case AD1848_KIND_MUTE:
if (cp->type != AUDIO_MIXER_ENUM)
break;
ac->mute[dev] = (cp->un.ord ? MUTE_ALL : 0);
ad1848_mute_channel(ac, dev, ac->mute[dev]);
error = 0;
break;
case AD1848_KIND_RECORDGAIN:
if (cp->type != AUDIO_MIXER_VALUE)
break;
ad1848_to_vol(cp, &vol);
error = ad1848_set_rec_gain(ac, &vol);
break;
case AD1848_KIND_MICGAIN:
if (cp->type != AUDIO_MIXER_VALUE)
break;
ad1848_to_vol(cp, &vol);
error = ad1848_set_mic_gain(ac, &vol);
break;
case AD1848_KIND_RECORDSOURCE:
if (cp->type != AUDIO_MIXER_ENUM)
break;
error = ad1848_set_rec_port(ac, cp->un.ord);
break;
default:
printf("Invalid kind\n");
break;
}
return (error);
}
/*
* Attach hardware to driver, attach hardware driver to audio
* pseudo-device driver .
*/
void
ad1848_attach(struct ad1848_softc *sc)
{
int i;
struct ad1848_volume vol_mid = {220, 220};
struct ad1848_volume vol_0 = {0, 0};
struct audio_params pparams, rparams;
int timeout;
sc->sc_playrun = 0;
sc->sc_recrun = 0;
if (sc->sc_drq != -1) {
if (isa_dmamap_create(sc->sc_isa, sc->sc_drq, MAX_ISADMA,
BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) {
printf("ad1848_attach: can't create map for drq %d\n",
sc->sc_drq);
return;
}
}
if (sc->sc_recdrq != -1 && sc->sc_recdrq != sc->sc_drq) {
if (isa_dmamap_create(sc->sc_isa, sc->sc_recdrq, MAX_ISADMA,
BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) {
printf("ad1848_attach: can't create map for second drq %d\n",
sc->sc_recdrq);
return;
}
}
/* Initialize the ad1848... */
for (i = 0; i < 0x10; i++) {
ad_write(sc, i, ad1848_init_values[i]);
timeout = AD1848_TIMO;
while (timeout > 0 && ADREAD(sc, AD1848_IADDR) & SP_IN_INIT)
timeout--;
}
/* need 2 separate drqs for mode 2 */
if ((sc->mode == 2) &&
((sc->sc_recdrq == -1) || (sc->sc_recdrq == sc->sc_drq))) {
ad_write(sc, SP_MISC_INFO, ad_read(sc, SP_MISC_INFO) & ~MODE2);
if (!(ad_read(sc, SP_MISC_INFO) & MODE2))
sc->mode = 1;
}
/* ...and additional CS4231 stuff too */
if (sc->mode == 2) {
ad_write(sc, SP_INTERFACE_CONFIG, 0); /* disable SINGLE_DMA */
for (i = 0x10; i < 0x20; i++) {
if (ad1848_init_values[i] != 0) {
ad_write(sc, i, ad1848_init_values[i]);
timeout = AD1848_TIMO;
while (timeout > 0 &&
ADREAD(sc, AD1848_IADDR) & SP_IN_INIT)
timeout--;
}
}
}
ad1848_reset(sc);
pparams = audio_default;
rparams = audio_default;
(void) ad1848_set_params(sc, AUMODE_RECORD|AUMODE_PLAY, 0,
&pparams, &rparams);
/* Set default gains */
(void) ad1848_set_rec_gain(sc, &vol_mid);
(void) ad1848_set_channel_gain(sc, AD1848_DAC_CHANNEL, &vol_mid);
(void) ad1848_set_channel_gain(sc, AD1848_MONITOR_CHANNEL, &vol_0);
/* CD volume */
(void) ad1848_set_channel_gain(sc, AD1848_AUX1_CHANNEL, &vol_mid);
if (sc->mode == 2) {
/* CD volume */
(void) ad1848_set_channel_gain(sc, AD1848_AUX2_CHANNEL, &vol_mid);
(void) ad1848_set_channel_gain(sc, AD1848_LINE_CHANNEL, &vol_mid);
(void) ad1848_set_channel_gain(sc, AD1848_MONO_CHANNEL, &vol_0);
sc->mute[AD1848_MONO_CHANNEL] = MUTE_ALL;
} else
(void) ad1848_set_channel_gain(sc, AD1848_AUX2_CHANNEL, &vol_0);
/* Set default port */
(void) ad1848_set_rec_port(sc, MIC_IN_PORT);
if (sc->chip_name)
printf(": %s", sc->chip_name);
}
