/* trigger_playback callback */
static int snd_p16v_pcm_trigger_playback(snd_pcm_substream_t *substream,
int cmd)
{
emu10k1_t *emu = snd_pcm_substream_chip(substream);
snd_pcm_runtime_t *runtime;
emu10k1_pcm_t *epcm;
int channel;
int result = 0;
struct list_head *pos;
snd_pcm_substream_t *s;
u32 basic = 0;
u32 inte = 0;
int running=0;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
running=1;
break;
case SNDRV_PCM_TRIGGER_STOP:
default:
running=0;
break;
}
snd_pcm_group_for_each(pos, substream) {
s = snd_pcm_group_substream_entry(pos);
runtime = s->runtime;
epcm = runtime->private_data;
channel = substream->pcm->device-emu->p16v_device_offset;
//snd_printk("p16v channel=%d\n",channel);
epcm->running = running;
basic |= (0x1<<channel);
inte |= (INTE2_PLAYBACK_CH_0_LOOP<<channel);
snd_pcm_trigger_done(s, substream);
}
/* trigger_playback callback */
static int snd_p16v_pcm_trigger_playback(struct snd_pcm_substream *substream,
int cmd)
{
struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime;
struct snd_emu10k1_pcm *epcm;
int channel;
int result = 0;
struct snd_pcm_substream *s;
u32 basic = 0;
u32 inte = 0;
int running = 0;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
running=1;
break;
case SNDRV_PCM_TRIGGER_STOP:
default:
running = 0;
break;
}
snd_pcm_group_for_each_entry(s, substream) {
if (snd_pcm_substream_chip(s) != emu ||
s->stream != SNDRV_PCM_STREAM_PLAYBACK)
continue;
runtime = s->runtime;
epcm = runtime->private_data;
channel = substream->pcm->device-emu->p16v_device_offset;
/* dev_dbg(emu->card->dev, "p16v channel=%d\n", channel); */
epcm->running = running;
basic |= (0x1<<channel);
inte |= (INTE2_PLAYBACK_CH_0_LOOP<<channel);
snd_pcm_trigger_done(s, substream);
}
/* dev_dbg(emu->card->dev, "basic=0x%x, inte=0x%x\n", basic, inte); */
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
snd_p16v_intr_enable(emu, inte);
snd_emu10k1_ptr20_write(emu, BASIC_INTERRUPT, 0, snd_emu10k1_ptr20_read(emu, BASIC_INTERRUPT, 0)| (basic));
break;
case SNDRV_PCM_TRIGGER_STOP:
snd_emu10k1_ptr20_write(emu, BASIC_INTERRUPT, 0, snd_emu10k1_ptr20_read(emu, BASIC_INTERRUPT, 0) & ~(basic));
snd_p16v_intr_disable(emu, inte);
break;
default:
result = -EINVAL;
break;
}
return result;
}
static int snd_playback_trigger(snd_pcm_substream_t * substream, int cmd)
{
pcm_hw_t *chip = snd_pcm_substream_chip(substream);
DEBUG_PRINT(("ALSA Core : <<< snd_playback_trigger \n "));
switch(cmd)
{
case SNDRV_PCM_TRIGGER_START:
DEBUG_PRINT(("ALSA Core : snd_playback_trigger Start \n "));
chip->State = STAUD_ALSA_START;
chip->NumberOfBytesCopied = 0;
chip->NumberUsed =0;
chip->playback_ops->start_playback(substream);
DEBUG_PRINT((" Debug snd_playback_trigger_started \n"));
break;
case SNDRV_PCM_TRIGGER_STOP:
DEBUG_PRINT(("ALSA Core : snd_playback_trigger Stop \n "));
//if (chip->State == STAUD_ALSA_STOP)
//return 0; // Debug above two lines
chip->State = STAUD_ALSA_STOP;
chip->playback_ops->stop_playback(substream);
chip->card_data->in_use = 0;
chip->NumberOfBytesCopied = 0;
chip->NumberUsed =0;
chip->PrevReadPointer=chip->BaseAddress;
chip->ReadPointer = chip->BaseAddress;
DEBUG_PRINT((" Debug snd_playback_trigger_stopped \n"));
chip->Copy = FALSE;
// Reset the Write Pointer ---
chip->WritePointer = (U8 *)substream->runtime->dma_addr;
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
DEBUG_PRINT(("ALSA Core : snd_playback_trigger Pause \n "));
chip->playback_ops->pause_playback(substream);
DEBUG_PRINT((" Debug snd_playback_trigger_pause \n"));
break;
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
DEBUG_PRINT(("ALSA Core : snd_playback_trigger resume \n "));
chip->playback_ops->unpause_playback(substream);
DEBUG_PRINT((" Debug snd_playback_trigger_resume \n"));
break;
default:
return -EINVAL;
}
snd_pcm_trigger_done(substream,substream);
DEBUG_PRINT(("ALSA Core :>>> snd_playback_trigger \n "));
return 0;
}
static int lola_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
{
struct lola *chip = snd_pcm_substream_chip(substream);
struct lola_stream *str;
struct snd_pcm_substream *s;
unsigned int start;
unsigned int tstamp;
bool sync_streams;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
case SNDRV_PCM_TRIGGER_RESUME:
start = 1;
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_STOP:
start = 0;
break;
default:
return -EINVAL;
}
/*
* sample correct synchronization is only needed starting several
* streams. On stop or if only one stream do as quick as possible
*/
sync_streams = (start && snd_pcm_stream_linked(substream));
tstamp = lola_get_tstamp(chip, !sync_streams);
spin_lock(&chip->reg_lock);
snd_pcm_group_for_each_entry(s, substream) {
if (s->pcm->card != substream->pcm->card)
continue;
str = lola_get_stream(s);
if (start)
lola_stream_start(chip, str, tstamp);
else
lola_stream_stop(chip, str, tstamp);
str->running = start;
str->paused = !start;
snd_pcm_trigger_done(s, substream);
}
spin_unlock(&chip->reg_lock);
return 0;
}
static int oxygen_trigger(struct snd_pcm_substream *substream, int cmd)
{
struct oxygen *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_substream *s;
unsigned int mask = 0;
int pausing;
switch (cmd) {
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_SUSPEND:
pausing = 0;
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
pausing = 1;
break;
default:
return -EINVAL;
}
snd_pcm_group_for_each_entry(s, substream) {
if (snd_pcm_substream_chip(s) == chip) {
mask |= 1 << oxygen_substream_channel(s);
snd_pcm_trigger_done(s, substream);
}
}
spin_lock(&chip->reg_lock);
if (!pausing) {
if (cmd == SNDRV_PCM_TRIGGER_START)
chip->pcm_running |= mask;
else
chip->pcm_running &= ~mask;
oxygen_write8(chip, OXYGEN_DMA_STATUS, chip->pcm_running);
} else {
if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
oxygen_set_bits8(chip, OXYGEN_DMA_PAUSE, mask);
else
oxygen_clear_bits8(chip, OXYGEN_DMA_PAUSE, mask);
}
spin_unlock(&chip->reg_lock);
return 0;
}
static int snd_ali_trigger(struct snd_pcm_substream *substream,
int cmd)
{
struct snd_ali *codec = snd_pcm_substream_chip(substream);
struct snd_pcm_substream *s;
unsigned int what, whati, capture_flag;
struct snd_ali_voice *pvoice, *evoice;
unsigned int val;
int do_start;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
do_start = 1;
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
do_start = 0;
break;
default:
return -EINVAL;
}
what = whati = capture_flag = 0;
snd_pcm_group_for_each_entry(s, substream) {
if ((struct snd_ali *) snd_pcm_substream_chip(s) == codec) {
pvoice = s->runtime->private_data;
evoice = pvoice->extra;
what |= 1 << (pvoice->number & 0x1f);
if (evoice == NULL)
whati |= 1 << (pvoice->number & 0x1f);
else {
whati |= 1 << (evoice->number & 0x1f);
what |= 1 << (evoice->number & 0x1f);
}
if (do_start) {
pvoice->running = 1;
if (evoice != NULL)
evoice->running = 1;
} else {
pvoice->running = 0;
if (evoice != NULL)
evoice->running = 0;
}
snd_pcm_trigger_done(s, substream);
if (pvoice->mode)
capture_flag = 1;
}
}
spin_lock(&codec->reg_lock);
if (!do_start)
outl(what, ALI_REG(codec, ALI_STOP));
val = inl(ALI_REG(codec, ALI_AINTEN));
if (do_start)
val |= whati;
else
val &= ~whati;
outl(val, ALI_REG(codec, ALI_AINTEN));
if (do_start)
outl(what, ALI_REG(codec, ALI_START));
dev_dbg(codec->card->dev, "trigger: what=%xh whati=%xh\n", what, whati);
spin_unlock(&codec->reg_lock);
return 0;
}
static int skl_coupled_trigger(struct snd_pcm_substream *substream,
int cmd)
{
struct hdac_ext_bus *ebus = get_bus_ctx(substream);
struct hdac_bus *bus = ebus_to_hbus(ebus);
struct hdac_ext_stream *stream;
struct snd_pcm_substream *s;
bool start;
int sbits = 0;
unsigned long cookie;
struct hdac_stream *hstr;
stream = get_hdac_ext_stream(substream);
hstr = hdac_stream(stream);
dev_dbg(bus->dev, "In %s cmd=%d\n", __func__, cmd);
if (!hstr->prepared)
return -EPIPE;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
case SNDRV_PCM_TRIGGER_RESUME:
start = true;
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_STOP:
start = false;
break;
default:
return -EINVAL;
}
snd_pcm_group_for_each_entry(s, substream) {
if (s->pcm->card != substream->pcm->card)
continue;
stream = get_hdac_ext_stream(s);
sbits |= 1 << hdac_stream(stream)->index;
snd_pcm_trigger_done(s, substream);
}
spin_lock_irqsave(&bus->reg_lock, cookie);
/* first, set SYNC bits of corresponding streams */
snd_hdac_stream_sync_trigger(hstr, true, sbits, AZX_REG_SSYNC);
snd_pcm_group_for_each_entry(s, substream) {
if (s->pcm->card != substream->pcm->card)
continue;
stream = get_hdac_ext_stream(s);
if (start)
snd_hdac_stream_start(hdac_stream(stream), true);
else
snd_hdac_stream_stop(hdac_stream(stream));
}
spin_unlock_irqrestore(&bus->reg_lock, cookie);
snd_hdac_stream_sync(hstr, start, sbits);
spin_lock_irqsave(&bus->reg_lock, cookie);
/* reset SYNC bits */
snd_hdac_stream_sync_trigger(hstr, false, sbits, AZX_REG_SSYNC);
if (start)
snd_hdac_stream_timecounter_init(hstr, sbits);
spin_unlock_irqrestore(&bus->reg_lock, cookie);
return 0;
}
