int
auvia_intr(void *arg)
{
struct auvia_softc *sc = arg;
struct auvia_softc_chan *ch;
u_int8_t r;
int i = 0;
ch = &sc->sc_record;
r = CH_READ1(sc, ch, AUVIA_RP_STAT);
if (r & AUVIA_RPSTAT_INTR) {
if (sc->sc_record.sc_intr)
sc->sc_record.sc_intr(sc->sc_record.sc_arg);
/* clear interrupts */
CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
i++;
}
ch = &sc->sc_play;
r = CH_READ1(sc, ch, AUVIA_RP_STAT);
if (r & AUVIA_RPSTAT_INTR) {
if (sc->sc_play.sc_intr)
sc->sc_play.sc_intr(sc->sc_play.sc_arg);
/* clear interrupts */
CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
i++;
}
return (i? 1 : 0);
}
int
auvia_halt_input(void *addr)
{
struct auvia_softc *sc = addr;
struct auvia_softc_chan *ch = &(sc->sc_record);
CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
ch->sc_intr = NULL;
return 0;
}
static int
auvia_trigger_output(void *addr, void *start, void *end, int blksize,
void (*intr)(void *), void *arg, const audio_params_t *param)
{
struct auvia_softc *sc;
struct auvia_softc_chan *ch;
struct auvia_dma *p;
sc = addr;
ch = &(sc->sc_play);
for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
continue;
if (!p)
panic("auvia_trigger_output: request with bad start "
"address (%p)", start);
if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
return 1;
}
ch->sc_intr = intr;
ch->sc_arg = arg;
CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
if (ch->sc_base != VIA8233_MP_BASE) {
CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
}
CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
AUVIA_RPCTRL_STOP | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
} else {
CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
}
return 0;
}
static int
auvia_halt_output(void *addr)
{
struct auvia_softc *sc;
struct auvia_softc_chan *ch;
sc = addr;
ch = &(sc->sc_play);
CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
ch->sc_intr = NULL;
return 0;
}
static int
auvia_intr(void *arg)
{
struct auvia_softc *sc;
struct auvia_softc_chan *ch;
u_int8_t r;
int rval;
sc = arg;
rval = 0;
ch = &sc->sc_record;
mutex_spin_enter(&sc->sc_intr_lock);
r = CH_READ1(sc, ch, AUVIA_RP_STAT);
if (r & AUVIA_RPSTAT_INTR) {
if (sc->sc_record.sc_intr)
sc->sc_record.sc_intr(sc->sc_record.sc_arg);
/* clear interrupts */
CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
rval = 1;
}
ch = &sc->sc_play;
r = CH_READ1(sc, ch, AUVIA_RP_STAT);
if (r & AUVIA_RPSTAT_INTR) {
if (sc->sc_play.sc_intr)
sc->sc_play.sc_intr(sc->sc_play.sc_arg);
/* clear interrupts */
CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
rval = 1;
}
mutex_spin_exit(&sc->sc_intr_lock);
return rval;
}
void
auvia_set_params_sub(struct auvia_softc *sc, struct auvia_softc_chan *ch,
struct audio_params *p)
{
u_int32_t v;
u_int16_t regval;
if (!(sc->sc_flags & AUVIA_FLAGS_VT8233)) {
regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0)
| (p->precision * p->factor == 16 ?
AUVIA_RPMODE_16BIT : 0)
| AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL
| AUVIA_RPMODE_AUTOSTART;
ch->sc_reg = regval;
} else if (ch->sc_base != VIA8233_MP_BASE) {
v = CH_READ4(sc, ch, VIA8233_RP_RATEFMT);
v &= ~(VIA8233_RATEFMT_48K | VIA8233_RATEFMT_STEREO
| VIA8233_RATEFMT_16BIT);
v |= VIA8233_RATEFMT_48K * (p->sample_rate / 20)
/ (48000 / 20);
if (p->channels == 2)
v |= VIA8233_RATEFMT_STEREO;
if (p->precision == 16)
v |= VIA8233_RATEFMT_16BIT;
CH_WRITE4(sc, ch, VIA8233_RP_RATEFMT, v);
} else {
static const u_int32_t slottab[7] =
{ 0, 0xff000011, 0xff000021, 0,
0xff004321, 0, 0xff436521};
regval = (p->precision == 16
? VIA8233_MP_FORMAT_16BIT : VIA8233_MP_FORMAT_8BIT)
| (p->channels << 4);
CH_WRITE1(sc, ch, VIA8233_OFF_MP_FORMAT, regval);
CH_WRITE4(sc, ch, VIA8233_OFF_MP_STOP, slottab[p->channels]);
}
}
