static int mv88fx_i2s_prepare(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct mv88fx_snd_chip *chip = mv88fx_pcm_get_chip(substream);
mv88fx_snd_debug("");
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
return mv88fx_i2s_snd_hw_capture_set(chip, substream);
else
return mv88fx_i2s_snd_hw_playback_set(chip, substream);
}
static int mv88fx_snd_ctrl_new(struct snd_card *card)
{
int err = 0;
struct mv88fx_snd_chip *chip = mv88fx_pcm_get_chip();
playback_src_mixer.rec =
&chip->stream[SNDRV_PCM_STREAM_PLAYBACK].dig_mode;
playback_mono_mixer.rec =
&chip->stream[SNDRV_PCM_STREAM_PLAYBACK].mono_mode;
capture_src_mixer.rec =
&chip->stream[SNDRV_PCM_STREAM_CAPTURE].dig_mode;
capture_mono_mixer.rec =
&chip->stream[SNDRV_PCM_STREAM_CAPTURE].mono_mode;
if (chip->pdata->i2s_play && chip->pdata->spdif_play) {
err =
snd_ctl_add(card,
snd_ctl_new1(&mv88fx_snd_mixers
[PLAYBACK_MIX_INDX], chip));
if (err < 0)
return err;
}
if (chip->pdata->i2s_play || chip->pdata->spdif_play) {
err =
snd_ctl_add(card,
snd_ctl_new1(&mv88fx_snd_mixers
[PLAYBACK_MONO_MIX_INDX], chip));
if (err < 0)
return err;
}
if (chip->pdata->i2s_rec && chip->pdata->spdif_rec) {
err =
snd_ctl_add(card,
snd_ctl_new1(&mv88fx_snd_mixers
[CAPTURE_MIX_INDX], chip));
if (err < 0)
return err;
}
if (chip->pdata->i2s_rec || chip->pdata->spdif_rec) {
err =
snd_ctl_add(card,
snd_ctl_new1(&mv88fx_snd_mixers
[CAPTURE_MONO_MIX_INDX], chip));
if (err < 0)
return err;
}
if (chip->pdata->spdif_play) {
err = snd_ctl_add(card, snd_ctl_new1(&mv88fx_snd_spdif_mask,
chip));
if (err < 0)
return err;
}
if (chip->pdata->spdif_play) {
err = snd_ctl_add(card, snd_ctl_new1(&mv88fx_snd_spdif_default,
chip));
if (err < 0)
return err;
}
if (chip->pdata->spdif_play) {
err = snd_ctl_add(card, snd_ctl_new1(&mv88fx_snd_spdif_stream,
chip));
if (err < 0)
return err;
}
return err;
}
static int mv88fx_i2s_playback_trigger(struct snd_pcm_substream *substream,
int cmd)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct mv88fx_snd_stream *audio_stream = runtime->private_data;
struct mv88fx_snd_chip *chip = mv88fx_pcm_get_chip(substream);
int result = 0;
mv88fx_snd_debug("substream=%p cmd=%d audio_stream=%p", substream, cmd,
audio_stream);
spin_lock(&chip->reg_lock);
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
mv88fx_snd_debug("");
/* enable interrupt */
mv88fx_snd_bitset(chip->base, MV_AUDIO_INT_MASK_REG(chip->port),
AICR_PLAY_BYTES_INT);
/* make sure the dma in pause state */
mv88fx_snd_bitset(chip->base,
MV_AUDIO_PLAYBACK_CTRL_REG(chip->port),
APCR_PLAY_PAUSE_MASK);
/* enable dma */
if ((audio_stream->dig_mode & I2S) && (chip->pcm_mode == PCM))
mv88fx_snd_bitset(chip->base,
MV_AUDIO_PLAYBACK_CTRL_REG(chip->port),
APCR_PLAY_I2S_ENABLE_MASK);
if (audio_stream->dig_mode & SPDIF)
mv88fx_snd_bitset(chip->base,
MV_AUDIO_PLAYBACK_CTRL_REG(chip->port),
APCR_PLAY_SPDIF_ENABLE_MASK);
/* start dma */
mv88fx_snd_bitreset(chip->base,
MV_AUDIO_PLAYBACK_CTRL_REG(chip->port),
APCR_PLAY_PAUSE_MASK);
break;
case SNDRV_PCM_TRIGGER_STOP:
mv88fx_snd_debug("");
/* disable interrupt */
mv88fx_snd_bitreset(chip->base,
MV_AUDIO_INT_MASK_REG(chip->port),
AICR_PLAY_BYTES_INT);
/* make sure the dma in pause state */
mv88fx_snd_bitset(chip->base,
MV_AUDIO_PLAYBACK_CTRL_REG(chip->port),
APCR_PLAY_PAUSE_MASK);
/* always stop both I2S and SPDIF */
mv88fx_snd_bitreset(chip->base,
MV_AUDIO_PLAYBACK_CTRL_REG(chip->port),
(APCR_PLAY_I2S_ENABLE_MASK |
APCR_PLAY_SPDIF_ENABLE_MASK));
/* check if busy twice */
while (mv88fx_snd_readl(chip->base,
MV_AUDIO_PLAYBACK_CTRL_REG(chip->port)) &
APCR_PLAY_BUSY_MASK)
;
while (mv88fx_snd_readl(chip->base,
MV_AUDIO_PLAYBACK_CTRL_REG(chip->port)) &
APCR_PLAY_BUSY_MASK)
;
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_SUSPEND:
mv88fx_snd_debug("");
mv88fx_snd_bitset(chip->base,
MV_AUDIO_PLAYBACK_CTRL_REG(chip->port),
APCR_PLAY_PAUSE_MASK);
break;
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
mv88fx_snd_debug("");
mv88fx_snd_bitreset(chip->base,
MV_AUDIO_PLAYBACK_CTRL_REG(chip->port),
APCR_PLAY_PAUSE_MASK);
break;
default:
result = -EINVAL;
break;
}
spin_unlock(&chip->reg_lock);
mv88fx_snd_debug("result=%d", result);
return result;
}
static int mv88fx_i2s_capture_trigger(struct snd_pcm_substream *substream,
int cmd)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct mv88fx_snd_stream *audio_stream = runtime->private_data;
struct mv88fx_snd_chip *chip = mv88fx_pcm_get_chip(substream);
int result = 0;
mv88fx_snd_debug("substream=%p cmd=%d audio_stream=%p", substream, cmd,
audio_stream);
spin_lock(&chip->reg_lock);
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
/* FIXME: should check if busy before */
mv88fx_snd_debug("");
/* make sure the dma in pause state */
mv88fx_snd_bitset(chip->base,
MV_AUDIO_RECORD_CTRL_REG(chip->port),
ARCR_RECORD_PAUSE_MASK);
/* enable interrupt */
mv88fx_snd_bitset(chip->base, MV_AUDIO_INT_MASK_REG(chip->port),
AICR_RECORD_BYTES_INT);
/* enable dma */
mv88fx_snd_debug("dig_mode=%x", audio_stream->dig_mode);
if (audio_stream->dig_mode & I2S) {
mv88fx_snd_debug("enable dma");
mv88fx_snd_bitset(chip->base,
MV_AUDIO_RECORD_CTRL_REG(chip->port),
ARCR_RECORD_I2S_EN_MASK);
}
if (audio_stream->dig_mode & SPDIF) {
mv88fx_snd_debug("enable spdif dma");
mv88fx_snd_bitset(chip->base,
MV_AUDIO_RECORD_CTRL_REG(chip->port),
ARCR_RECORD_SPDIF_EN_MASK);
}
/* start dma */
mv88fx_snd_bitreset(chip->base,
MV_AUDIO_RECORD_CTRL_REG(chip->port),
ARCR_RECORD_PAUSE_MASK);
break;
case SNDRV_PCM_TRIGGER_STOP:
/* make sure the dma in pause state */
mv88fx_snd_bitset(chip->base,
MV_AUDIO_RECORD_CTRL_REG(chip->port),
ARCR_RECORD_PAUSE_MASK);
/* disable interrupt */
mv88fx_snd_bitreset(chip->base,
MV_AUDIO_INT_MASK_REG(chip->port),
AICR_RECORD_BYTES_INT);
/* always stop both I2S and SPDIF */
mv88fx_snd_bitreset(chip->base,
MV_AUDIO_RECORD_CTRL_REG(chip->port),
(ARCR_RECORD_I2S_EN_MASK | ARCR_RECORD_SPDIF_EN_MASK));
/* FIXME: should check if busy after */
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_SUSPEND:
mv88fx_snd_bitset(chip->base,
MV_AUDIO_RECORD_CTRL_REG(chip->port),
ARCR_RECORD_PAUSE_MASK);
break;
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
mv88fx_snd_bitreset(chip->base,
MV_AUDIO_RECORD_CTRL_REG(chip->port),
ARCR_RECORD_PAUSE_MASK);
break;
default:
result = -EINVAL;
break;
}
spin_unlock(&chip->reg_lock);
mv88fx_snd_debug("result=%d", result);
return result;
}
