static int
insert_queue(struct seq_oss_devinfo *dp, union evrec *rec, struct file *opt)
{
int rc = 0;
struct snd_seq_event event;
/* if this is a timing event, process the current time */
if (snd_seq_oss_process_timer_event(dp->timer, rec))
return 0; /* no need to insert queue */
/* parse this event */
memset(&event, 0, sizeof(event));
/* set dummy -- to be sure */
event.type = SNDRV_SEQ_EVENT_NOTEOFF;
snd_seq_oss_fill_addr(dp, &event, dp->addr.port, dp->addr.client);
if (snd_seq_oss_process_event(dp, rec, &event))
return 0; /* invalid event - no need to insert queue */
event.time.tick = snd_seq_oss_timer_cur_tick(dp->timer);
if (dp->timer->realtime || !dp->timer->running) {
snd_seq_oss_dispatch(dp, &event, 0, 0);
} else {
if (is_nonblock_mode(dp->file_mode))
rc = snd_seq_kernel_client_enqueue(dp->cseq, &event, 0, 0);
else
rc = snd_seq_kernel_client_enqueue_blocking(dp->cseq, &event, opt, 0, 0);
}
return rc;
}
/*
* reset the midi device and close it:
* so far, only close the device.
*/
void
snd_seq_oss_midi_reset(struct seq_oss_devinfo *dp, int dev)
{
struct seq_oss_midi *mdev;
if ((mdev = get_mididev(dp, dev)) == NULL)
return;
if (! mdev->opened) {
snd_use_lock_free(&mdev->use_lock);
return;
}
if (mdev->opened & PERM_WRITE) {
struct snd_seq_event ev;
int c;
debug_printk(("resetting client %d port %d\n", mdev->client, mdev->port));
memset(&ev, 0, sizeof(ev));
ev.dest.client = mdev->client;
ev.dest.port = mdev->port;
ev.queue = dp->queue;
ev.source.port = dp->port;
if (dp->seq_mode == SNDRV_SEQ_OSS_MODE_SYNTH) {
ev.type = SNDRV_SEQ_EVENT_SENSING;
snd_seq_oss_dispatch(dp, &ev, 0, 0);
}
for (c = 0; c < 16; c++) {
ev.type = SNDRV_SEQ_EVENT_CONTROLLER;
ev.data.control.channel = c;
ev.data.control.param = MIDI_CTL_ALL_NOTES_OFF;
snd_seq_oss_dispatch(dp, &ev, 0, 0);
if (dp->seq_mode == SNDRV_SEQ_OSS_MODE_MUSIC) {
ev.data.control.param =
MIDI_CTL_RESET_CONTROLLERS;
snd_seq_oss_dispatch(dp, &ev, 0, 0);
ev.type = SNDRV_SEQ_EVENT_PITCHBEND;
ev.data.control.value = 0;
snd_seq_oss_dispatch(dp, &ev, 0, 0);
}
}
}
// snd_seq_oss_midi_close(dp, dev);
snd_use_lock_free(&mdev->use_lock);
}
/*
* reset synth device:
* call reset callback. if no callback is defined, send a heartbeat
* event to the corresponding port.
*/
void
snd_seq_oss_synth_reset(seq_oss_devinfo_t *dp, int dev)
{
seq_oss_synth_t *rec;
seq_oss_synthinfo_t *info;
snd_assert(dev >= 0 && dev < dp->max_synthdev, return);
info = &dp->synths[dev];
if (! info->opened)
return;
if (info->sysex)
info->sysex->len = 0; /* reset sysex */
reset_channels(info);
if (info->is_midi) {
if (midi_synth_dev.opened <= 0)
return;
snd_seq_oss_midi_reset(dp, info->midi_mapped);
/* reopen the device */
snd_seq_oss_midi_close(dp, dev);
if (snd_seq_oss_midi_open(dp, info->midi_mapped,
dp->file_mode) < 0) {
midi_synth_dev.opened--;
info->opened = 0;
if (info->sysex) {
kfree(info->sysex);
info->sysex = NULL;
}
if (info->ch) {
kfree(info->ch);
info->ch = NULL;
}
}
return;
}
rec = get_sdev(dev);
if (rec == NULL)
return;
if (rec->oper.reset) {
rec->oper.reset(&info->arg);
} else {
snd_seq_event_t ev;
memset(&ev, 0, sizeof(ev));
snd_seq_oss_fill_addr(dp, &ev, info->arg.addr.client,
info->arg.addr.port);
ev.type = SNDRV_SEQ_EVENT_RESET;
snd_seq_oss_dispatch(dp, &ev, 0, 0);
}
snd_use_lock_free(&rec->use_lock);
}
static int snd_seq_oss_oob_user(struct seq_oss_devinfo *dp, void __user *arg)
{
unsigned char ev[8];
struct snd_seq_event tmpev;
if (copy_from_user(ev, arg, 8))
return -EFAULT;
memset(&tmpev, 0, sizeof(tmpev));
snd_seq_oss_fill_addr(dp, &tmpev, dp->addr.port, dp->addr.client);
tmpev.time.tick = 0;
if (! snd_seq_oss_process_event(dp, (union evrec *)ev, &tmpev)) {
snd_seq_oss_dispatch(dp, &tmpev, 0, 0);
}
return 0;
}
