/* audio bell stuff */
void
init_bell(void)
{
if (bsamplep != NULL)
return;
bsamplep = alloc_chipmem(20);
if (bsamplep == NULL)
panic("no chipmem for ite_bell");
bcopy(sample, bsamplep, 20);
}
static int
init_aucc(struct aucc_softc *sc)
{
int i, err;
err = 0;
/* init values per channel */
for (i = 0; i < 4; i++) {
sc->sc_channel[i].nd_freq = 8000;
sc->sc_channel[i].nd_per = freqtoper(8000);
sc->sc_channel[i].nd_busy = 0;
sc->sc_channel[i].nd_dma = alloc_chipmem(AUDIO_BUF_SIZE*2);
if (sc->sc_channel[i].nd_dma == NULL)
err = 1;
sc->sc_channel[i].nd_dmalength = 0;
sc->sc_channel[i].nd_volume = 64;
sc->sc_channel[i].nd_intr = NULL;
sc->sc_channel[i].nd_intrdata = NULL;
sc->sc_channel[i].nd_doublebuf = 0;
DPRINTF(("DMA buffer for channel %d is %p\n", i,
sc->sc_channel[i].nd_dma));
}
if (err) {
for (i = 0; i < 4; i++)
if (sc->sc_channel[i].nd_dma)
free_chipmem(sc->sc_channel[i].nd_dma);
}
sc->sc_channels = 1;
sc->sc_channelmask = 0xf;
sc->sc_precision = 8;
sc->sc_14bit = 0;
sc->sc_encoding = AUDIO_ENCODING_ULAW;
sc->sc_decodefunc = aucc_decode_mulaw_1ch;
/* clear interrupts and DMA: */
custom.intena = AUCC_ALLINTF;
custom.dmacon = AUCC_ALLDMAF;
mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_SCHED);
return err;
}
/*
* Used by certain drivers currently to allocate zorro II or chip mem
* for bounce buffers. For amigappc we will only return chip memory.
*/
void *
alloc_z2mem(long amount)
{
return (alloc_chipmem(amount));
}