/* semantic note: must start at beginning of buffer */
static int
ds1rchan_trigger(kobj_t obj, void *data, int go)
{
struct sc_rchinfo *ch = data;
struct sc_info *sc = ch->parent;
u_int32_t x;
if (!PCMTRIG_COMMON(go))
return 0;
if (go == PCMTRIG_START) {
ch->run = 1;
ds_setuprch(ch);
snd_mtxlock(sc->lock);
x = ds_rd(sc, YDSXGR_MAPOFREC, 4);
x |= (ch->num == DS1_RECPRIMARY)? 0x02 : 0x01;
ds_wr(sc, YDSXGR_MAPOFREC, x, 4);
ds_wr(sc, YDSXGR_MODE, 0x00000003, 4);
snd_mtxunlock(sc->lock);
} else {
ch->run = 0;
snd_mtxlock(sc->lock);
x = ds_rd(sc, YDSXGR_MAPOFREC, 4);
x &= ~((ch->num == DS1_RECPRIMARY)? 0x02 : 0x01);
ds_wr(sc, YDSXGR_MAPOFREC, x, 4);
snd_mtxunlock(sc->lock);
}
return 0;
}
/* semantic note: must start at beginning of buffer */
static int
ds1pchan_trigger(kobj_t obj, void *data, int go)
{
struct sc_pchinfo *ch = data;
struct sc_info *sc = ch->parent;
int stereo;
if (!PCMTRIG_COMMON(go))
return 0;
stereo = (AFMT_CHANNEL(ch->fmt) > 1)? 1 : 0;
if (go == PCMTRIG_START) {
ch->run = 1;
ds_setuppch(ch);
ds_enapslot(sc, ch->lsnum, 1);
ds_enapslot(sc, ch->rsnum, stereo);
snd_mtxlock(sc->lock);
ds_wr(sc, YDSXGR_MODE, 0x00000003, 4);
snd_mtxunlock(sc->lock);
} else {
ch->run = 0;
/* ds_setuppch(ch); */
ds_enapslot(sc, ch->lsnum, 0);
ds_enapslot(sc, ch->rsnum, 0);
}
return 0;
}
static int
bcmchan_trigger(kobj_t obj, void *data, int go)
{
struct bcm2835_audio_chinfo *ch = data;
struct bcm2835_audio_info *sc = ch->parent;
if (!PCMTRIG_COMMON(go))
return (0);
bcm2835_audio_lock(sc);
switch (go) {
case PCMTRIG_START:
bcm2835_audio_start(ch);
ch->playback_state = PLAYBACK_STARTING;
/* wakeup worker thread */
cv_signal(&sc->data_cv);
break;
case PCMTRIG_STOP:
case PCMTRIG_ABORT:
ch->playback_state = 1;
bcm2835_audio_stop(ch);
break;
default:
break;
}
bcm2835_audio_unlock(sc);
return 0;
}
static int
bcmchan_trigger(kobj_t obj, void *data, int go)
{
struct bcm2835_audio_chinfo *ch = data;
struct bcm2835_audio_info *sc = ch->parent;
if (!PCMTRIG_COMMON(go))
return (0);
switch (go) {
case PCMTRIG_START:
/* kickstart data flow */
chn_intr(sc->pch.channel);
ch->submitted_samples = 0;
ch->retrieved_samples = 0;
bcm2835_worker_play_start(sc);
break;
case PCMTRIG_STOP:
case PCMTRIG_ABORT:
bcm2835_worker_play_stop(sc);
break;
default:
break;
}
return 0;
}
static int
viachan_trigger(kobj_t obj, void *data, int go)
{
struct via_chinfo *ch = data;
struct via_info *via = ch->parent;
struct via_dma_op *ado;
bus_addr_t sgd_addr = ch->sgd_addr;
if (!PCMTRIG_COMMON(go))
return 0;
ado = ch->sgd_table;
DEB(printf("ado located at va=%p pa=%x\n", ado, sgd_addr));
snd_mtxlock(via->lock);
if (go == PCMTRIG_START) {
via_buildsgdt(ch);
via_wr(via, ch->base, sgd_addr, 4);
via_wr(via, ch->ctrl, VIA_RPCTRL_START, 1);
} else
via_wr(via, ch->ctrl, VIA_RPCTRL_TERMINATE, 1);
snd_mtxunlock(via->lock);
DEB(printf("viachan_trigger: go=%d\n", go));
return 0;
}
static int
fm801ch_trigger(kobj_t obj, void *data, int go)
{
struct fm801_chinfo *ch = data;
struct fm801_info *fm801 = ch->parent;
u_int32_t baseaddr = sndbuf_getbufaddr(ch->buffer);
u_int32_t k1;
DPRINT("fm801ch_trigger go %d , ", go);
if (!PCMTRIG_COMMON(go))
return 0;
if (ch->dir == PCMDIR_PLAY) {
if (go == PCMTRIG_START) {
fm801->play_start = baseaddr;
fm801->play_nextblk = fm801->play_start + fm801->play_blksize;
fm801->play_flip = 0;
fm801_wr(fm801, FM_PLAY_DMALEN, fm801->play_blksize - 1, 2);
fm801_wr(fm801, FM_PLAY_DMABUF1,fm801->play_start,4);
fm801_wr(fm801, FM_PLAY_DMABUF2,fm801->play_nextblk,4);
fm801_wr(fm801, FM_PLAY_CTL,
FM_PLAY_START | FM_PLAY_STOPNOW | fm801->play_fmt | fm801->play_shift,
2 );
} else {
fm801->play_flip = 0;
k1 = fm801_rd(fm801, FM_PLAY_CTL,2);
fm801_wr(fm801, FM_PLAY_CTL,
(k1 & ~(FM_PLAY_STOPNOW | FM_PLAY_START)) |
FM_PLAY_BUF1_LAST | FM_PLAY_BUF2_LAST, 2 );
}
} else if(ch->dir == PCMDIR_REC) {
if (go == PCMTRIG_START) {
fm801->rec_start = baseaddr;
fm801->rec_nextblk = fm801->rec_start + fm801->rec_blksize;
fm801->rec_flip = 0;
fm801_wr(fm801, FM_REC_DMALEN, fm801->rec_blksize - 1, 2);
fm801_wr(fm801, FM_REC_DMABUF1,fm801->rec_start,4);
fm801_wr(fm801, FM_REC_DMABUF2,fm801->rec_nextblk,4);
fm801_wr(fm801, FM_REC_CTL,
FM_REC_START | FM_REC_STOPNOW | fm801->rec_fmt | fm801->rec_shift,
2 );
} else {
fm801->rec_flip = 0;
k1 = fm801_rd(fm801, FM_REC_CTL,2);
fm801_wr(fm801, FM_REC_CTL,
(k1 & ~(FM_REC_STOPNOW | FM_REC_START)) |
FM_REC_BUF1_LAST | FM_REC_BUF2_LAST, 2);
}
}
return 0;
}
static int
ua_chan_trigger(kobj_t obj, void *data, int go)
{
if (PCMTRIG_COMMON(go)) {
if (go == PCMTRIG_START) {
uaudio_chan_start(data);
} else {
uaudio_chan_stop(data);
}
}
return (0);
}
static int
ad1816chan_trigger(kobj_t obj, void *data, int go)
{
struct ad1816_chinfo *ch = data;
struct ad1816_info *ad1816 = ch->parent;
int wr, reg;
if (!PCMTRIG_COMMON(go))
return 0;
sndbuf_dma(ch->buffer, go);
wr = (ch->dir == PCMDIR_PLAY);
reg = wr? AD1816_PLAY : AD1816_CAPT;
ad1816_lock(ad1816);
switch (go) {
case PCMTRIG_START:
/* start only if not already running */
if (!(io_rd(ad1816, reg) & AD1816_ENABLE)) {
int cnt = ((ch->blksz) >> 2) - 1;
ad1816_write(ad1816, wr? 8 : 10, cnt); /* count */
ad1816_write(ad1816, wr? 9 : 11, 0); /* reset cur cnt */
ad1816_write(ad1816, 1, ad1816_read(ad1816, 1) |
(wr? 0x8000 : 0x4000)); /* enable int */
/* enable playback */
io_wr(ad1816, reg, io_rd(ad1816, reg) | AD1816_ENABLE);
if (!(io_rd(ad1816, reg) & AD1816_ENABLE))
printf("ad1816: failed to start %s DMA!\n",
wr? "play" : "rec");
}
break;
case PCMTRIG_STOP:
case PCMTRIG_ABORT: /* XXX check this... */
/* we don't test here if it is running... */
if (wr) {
ad1816_write(ad1816, 1, ad1816_read(ad1816, 1) &
~(wr? 0x8000 : 0x4000));
/* disable int */
io_wr(ad1816, reg, io_rd(ad1816, reg) & ~AD1816_ENABLE);
/* disable playback */
if (io_rd(ad1816, reg) & AD1816_ENABLE)
printf("ad1816: failed to stop %s DMA!\n",
wr? "play" : "rec");
ad1816_write(ad1816, wr? 8 : 10, 0); /* reset base cnt */
ad1816_write(ad1816, wr? 9 : 11, 0); /* reset cur cnt */
}
break;
}
static int
nmchan_trigger(kobj_t obj, void *data, int go)
{
struct sc_chinfo *ch = data;
struct sc_info *sc = ch->parent;
int ssz;
if (!PCMTRIG_COMMON(go))
return 0;
ssz = (ch->fmt & AFMT_16BIT)? 2 : 1;
if (AFMT_CHANNEL(ch->fmt) > 1)
ssz <<= 1;
if (ch->dir == PCMDIR_PLAY) {
if (go == PCMTRIG_START) {
ch->active = 1;
ch->wmark = ch->blksize;
nm_wr(sc, NM_PBUFFER_START, sc->pbuf, 4);
nm_wr(sc, NM_PBUFFER_END, sc->pbuf + NM_BUFFSIZE - ssz, 4);
nm_wr(sc, NM_PBUFFER_CURRP, sc->pbuf, 4);
nm_wr(sc, NM_PBUFFER_WMARK, sc->pbuf + ch->wmark, 4);
nm_wr(sc, NM_PLAYBACK_ENABLE_REG, NM_PLAYBACK_FREERUN |
NM_PLAYBACK_ENABLE_FLAG, 1);
nm_wr(sc, NM_AUDIO_MUTE_REG, 0, 2);
} else {
ch->active = 0;
nm_wr(sc, NM_PLAYBACK_ENABLE_REG, 0, 1);
nm_wr(sc, NM_AUDIO_MUTE_REG, NM_AUDIO_MUTE_BOTH, 2);
}
} else {
if (go == PCMTRIG_START) {
ch->active = 1;
ch->wmark = ch->blksize;
nm_wr(sc, NM_RECORD_ENABLE_REG, NM_RECORD_FREERUN |
NM_RECORD_ENABLE_FLAG, 1);
nm_wr(sc, NM_RBUFFER_START, sc->rbuf, 4);
nm_wr(sc, NM_RBUFFER_END, sc->rbuf + NM_BUFFSIZE, 4);
nm_wr(sc, NM_RBUFFER_CURRP, sc->rbuf, 4);
nm_wr(sc, NM_RBUFFER_WMARK, sc->rbuf + ch->wmark, 4);
} else {
ch->active = 0;
nm_wr(sc, NM_RECORD_ENABLE_REG, 0, 1);
}
}
return 0;
}
