/*
* close port
*/
static int
snd_emux_close_seq_oss(struct snd_seq_oss_arg *arg)
{
struct snd_emux *emu;
struct snd_emux_port *p;
if (snd_BUG_ON(!arg))
return -ENXIO;
p = arg->private_data;
if (snd_BUG_ON(!p))
return -ENXIO;
emu = p->emu;
if (snd_BUG_ON(!emu))
return -ENXIO;
mutex_lock(&emu->register_mutex);
snd_emux_sounds_off_all(p);
snd_soundfont_close_check(emu->sflist, SF_CLIENT_NO(p->chset.port));
snd_seq_event_port_detach(p->chset.client, p->chset.port);
snd_emux_dec_count(emu);
mutex_unlock(&emu->register_mutex);
return 0;
}
/*
* Routine that is called upon the last unuse() of a particular port.
*/
static int
snd_emux_unuse(void *private_data, snd_seq_port_subscribe_t *info)
{
snd_emux_port_t *p;
snd_emux_t *emu;
p = private_data;
snd_assert(p != NULL, return -EINVAL);
emu = p->emu;
snd_assert(emu != NULL, return -EINVAL);
down(&emu->register_mutex);
snd_emux_sounds_off_all(p);
snd_emux_dec_count(emu);
up(&emu->register_mutex);
return 0;
}
/*
* Routine that is called upon the last unuse() of a particular port.
*/
static int
snd_emux_unuse(void *private_data, struct snd_seq_port_subscribe *info)
{
struct snd_emux_port *p;
struct snd_emux *emu;
p = private_data;
if (snd_BUG_ON(!p))
return -EINVAL;
emu = p->emu;
if (snd_BUG_ON(!emu))
return -EINVAL;
mutex_lock(&emu->register_mutex);
snd_emux_sounds_off_all(p);
snd_emux_dec_count(emu);
mutex_unlock(&emu->register_mutex);
return 0;
}
/*
* close port
*/
static int
snd_emux_close_seq_oss(struct snd_seq_oss_arg *arg)
{
struct snd_emux *emu;
struct snd_emux_port *p;
snd_assert(arg != NULL, return -ENXIO);
p = arg->private_data;
snd_assert(p != NULL, return -ENXIO);
emu = p->emu;
snd_assert(emu != NULL, return -ENXIO);
mutex_lock(&emu->register_mutex);
snd_emux_sounds_off_all(p);
snd_soundfont_close_check(emu->sflist, SF_CLIENT_NO(p->chset.port));
snd_seq_event_port_detach(p->chset.client, p->chset.port);
snd_emux_dec_count(emu);
mutex_unlock(&emu->register_mutex);
return 0;
}
/*
* reset port
*/
void
snd_emux_reset_port(snd_emux_port_t *port)
{
int i;
/* stop all sounds */
snd_emux_sounds_off_all(port);
snd_midi_channel_set_clear(&port->chset);
#ifdef SNDRV_EMUX_USE_RAW_EFFECT
snd_emux_clear_effect(port);
#endif
/* set port specific control parameters */
port->ctrls[EMUX_MD_DEF_BANK] = 0;
port->ctrls[EMUX_MD_DEF_DRUM] = 0;
port->ctrls[EMUX_MD_REALTIME_PAN] = 1;
for (i = 0; i < port->chset.max_channels; i++) {
snd_midi_channel_t *chan = port->chset.channels + i;
chan->drum_channel = ((port->drum_flags >> i) & 1) ? 1 : 0;
}
}
