static void snd_emu10k1_midi_output_trigger(snd_rawmidi_substream_t * substream, int up)
{
emu10k1_t *emu;
emu10k1_midi_t *midi = (emu10k1_midi_t *)substream->rmidi->private_data;
unsigned long flags;
emu = midi->emu;
snd_assert(emu, return);
if (up) {
int max = 4;
unsigned char byte;
/* try to send some amount of bytes here before interrupts */
spin_lock_irqsave(&midi->output_lock, flags);
while (max > 0) {
if (mpu401_output_ready(emu, midi)) {
if (!(midi->midi_mode & EMU10K1_MIDI_MODE_OUTPUT) ||
snd_rawmidi_transmit(substream, &byte, 1) != 1) {
/* no more data */
spin_unlock_irqrestore(&midi->output_lock, flags);
return;
}
mpu401_write_data(emu, midi, byte);
max--;
} else {
break;
}
}
spin_unlock_irqrestore(&midi->output_lock, flags);
snd_emu10k1_intr_enable(emu, midi->tx_enable);
} else {
snd_emu10k1_intr_disable(emu, midi->tx_enable);
}
}
static void snd_emu10k1_midi_input_trigger(snd_rawmidi_substream_t * substream, int up)
{
emu10k1_t *emu;
emu10k1_midi_t *midi = (emu10k1_midi_t *)substream->rmidi->private_data;
emu = midi->emu;
snd_assert(emu, return);
if (up)
snd_emu10k1_intr_enable(emu, midi->rx_enable);
else
snd_emu10k1_intr_disable(emu, midi->rx_enable);
}
static void snd_emu10k1_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)
{
struct snd_emu10k1 *emu;
struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)substream->rmidi->private_data;
emu = midi->emu;
if (snd_BUG_ON(!emu))
return;
if (up)
snd_emu10k1_intr_enable(emu, midi->rx_enable);
else
snd_emu10k1_intr_disable(emu, midi->rx_enable);
}
static int snd_emu10k1_timer_start(struct snd_timer *timer)
{
struct snd_emu10k1 *emu;
unsigned long flags;
unsigned int delay;
emu = snd_timer_chip(timer);
delay = timer->sticks - 1;
if (delay < 5 ) /* minimum time is 5 ticks */
delay = 5;
spin_lock_irqsave(&emu->reg_lock, flags);
snd_emu10k1_intr_enable(emu, INTE_INTERVALTIMERENB);
outw(delay & TIMER_RATE_MASK, emu->port + TIMER);
spin_unlock_irqrestore(&emu->reg_lock, flags);
return 0;
}
static void snd_emu10k1_audio_enable(struct snd_emu10k1 *emu)
{
/*
* Enable the audio bit
*/
outl(inl(emu->port + HCFG) | HCFG_AUDIOENABLE, emu->port + HCFG);
/* Enable analog/digital outs on audigy */
if ( emu->card_capabilities->emu1212m) {
; /* Disable all access to A_IOCFG for the emu1212m */
} else if (emu->audigy) {
outl(inl(emu->port + A_IOCFG) & ~0x44, emu->port + A_IOCFG);
if (emu->card_capabilities->ca0151_chip) { /* audigy2 */
/* Unmute Analog now. Set GPO6 to 1 for Apollo.
* This has to be done after init ALice3 I2SOut beyond 48KHz.
* So, sequence is important. */
outl(inl(emu->port + A_IOCFG) | 0x0040, emu->port + A_IOCFG);
} else if (emu->card_capabilities->ca0108_chip) { /* audigy2 value */
/* Unmute Analog now. */
outl(inl(emu->port + A_IOCFG) | 0x0060, emu->port + A_IOCFG);
} else {
/* Disable routing from AC97 line out to Front speakers */
outl(inl(emu->port + A_IOCFG) | 0x0080, emu->port + A_IOCFG);
}
}
#if 0
{
unsigned int tmp;
/* FIXME: the following routine disables LiveDrive-II !! */
// TOSLink detection
emu->tos_link = 0;
tmp = inl(emu->port + HCFG);
if (tmp & (HCFG_GPINPUT0 | HCFG_GPINPUT1)) {
outl(tmp|0x800, emu->port + HCFG);
udelay(50);
if (tmp != (inl(emu->port + HCFG) & ~0x800)) {
emu->tos_link = 1;
outl(tmp, emu->port + HCFG);
}
}
}
#endif
snd_emu10k1_intr_enable(emu, INTE_PCIERRORENABLE);
}
static void snd_emu10k1_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)
{
struct snd_emu10k1 *emu;
struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)substream->rmidi->private_data;
unsigned long flags;
emu = midi->emu;
if (snd_BUG_ON(!emu))
return;
if (up) {
int max = 4;
unsigned char byte;
/* */
spin_lock_irqsave(&midi->output_lock, flags);
while (max > 0) {
if (mpu401_output_ready(emu, midi)) {
if (!(midi->midi_mode & EMU10K1_MIDI_MODE_OUTPUT) ||
snd_rawmidi_transmit(substream, &byte, 1) != 1) {
/* */
spin_unlock_irqrestore(&midi->output_lock, flags);
return;
}
mpu401_write_data(emu, midi, byte);
max--;
} else {
break;
}
}
spin_unlock_irqrestore(&midi->output_lock, flags);
snd_emu10k1_intr_enable(emu, midi->tx_enable);
} else {
snd_emu10k1_intr_disable(emu, midi->tx_enable);
}
}