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ASoC: kirkwood: add S/PDIF support 

This patch adds S/PDIF input/output for mvebu DT boards.

Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Jean-Francois Moine 2013-10-21 10:50:49 +02:00 committed by Mark Brown
parent 1f1b65796e
commit 75b9b65ee5
3 changed files with 84 additions and 19 deletions
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99
sound/soc/kirkwood/kirkwood-i2s.c
View File

@ -160,9 +160,11 @@ static int kirkwood_i2s_hw_params(struct snd_pcm_substream *substream,
case SNDRV_PCM_FORMAT_S16_LE:
i2s_value |= KIRKWOOD_I2S_CTL_SIZE_16;
ctl_play = KIRKWOOD_PLAYCTL_SIZE_16_C |
KIRKWOOD_PLAYCTL_I2S_EN;
KIRKWOOD_PLAYCTL_I2S_EN |
KIRKWOOD_PLAYCTL_SPDIF_EN;
ctl_rec = KIRKWOOD_RECCTL_SIZE_16_C |
KIRKWOOD_RECCTL_I2S_EN;
KIRKWOOD_RECCTL_I2S_EN |
KIRKWOOD_RECCTL_SPDIF_EN;
break;
/*
* doesn't work... S20_3LE != kirkwood 20bit format ?
@ -178,9 +180,11 @@ static int kirkwood_i2s_hw_params(struct snd_pcm_substream *substream,
case SNDRV_PCM_FORMAT_S24_LE:
i2s_value |= KIRKWOOD_I2S_CTL_SIZE_24;
ctl_play = KIRKWOOD_PLAYCTL_SIZE_24 |
KIRKWOOD_PLAYCTL_I2S_EN;
KIRKWOOD_PLAYCTL_I2S_EN |
KIRKWOOD_PLAYCTL_SPDIF_EN;
ctl_rec = KIRKWOOD_RECCTL_SIZE_24 |
KIRKWOOD_RECCTL_I2S_EN;
KIRKWOOD_RECCTL_I2S_EN |
KIRKWOOD_RECCTL_SPDIF_EN;
break;
case SNDRV_PCM_FORMAT_S32_LE:
i2s_value |= KIRKWOOD_I2S_CTL_SIZE_32;
@ -240,6 +244,11 @@ static int kirkwood_i2s_play_trigger(struct snd_pcm_substream *substream,
ctl);
}
if (dai->id == 0)
ctl &= ~KIRKWOOD_PLAYCTL_SPDIF_EN; /* i2s */
else
ctl &= ~KIRKWOOD_PLAYCTL_I2S_EN; /* spdif */
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
/* configure */
@ -258,7 +267,8 @@ static int kirkwood_i2s_play_trigger(struct snd_pcm_substream *substream,
case SNDRV_PCM_TRIGGER_STOP:
/* stop audio, disable interrupts */
ctl |= KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE;
ctl |= KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE |
KIRKWOOD_PLAYCTL_SPDIF_MUTE;
writel(ctl, priv->io + KIRKWOOD_PLAYCTL);
value = readl(priv->io + KIRKWOOD_INT_MASK);
@ -272,13 +282,15 @@ static int kirkwood_i2s_play_trigger(struct snd_pcm_substream *substream,
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_SUSPEND:
ctl |= KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE;
ctl |= KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE |
KIRKWOOD_PLAYCTL_SPDIF_MUTE;
writel(ctl, priv->io + KIRKWOOD_PLAYCTL);
break;
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
ctl &= ~(KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE);
ctl &= ~(KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE |
KIRKWOOD_PLAYCTL_SPDIF_MUTE);
writel(ctl, priv->io + KIRKWOOD_PLAYCTL);
break;
@ -301,7 +313,13 @@ static int kirkwood_i2s_rec_trigger(struct snd_pcm_substream *substream,
case SNDRV_PCM_TRIGGER_START:
/* configure */
ctl = priv->ctl_rec;
value = ctl & ~KIRKWOOD_RECCTL_I2S_EN;
if (dai->id == 0)
ctl &= ~KIRKWOOD_RECCTL_SPDIF_EN; /* i2s */
else
ctl &= ~KIRKWOOD_RECCTL_I2S_EN; /* spdif */
value = ctl & ~(KIRKWOOD_RECCTL_I2S_EN |
KIRKWOOD_RECCTL_SPDIF_EN);
writel(value, priv->io + KIRKWOOD_RECCTL);
/* enable interrupts */
@ -361,9 +379,8 @@ static int kirkwood_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
return 0;
}
static int kirkwood_i2s_probe(struct snd_soc_dai *dai)
static int kirkwood_i2s_init(struct kirkwood_dma_data *priv)
{
struct kirkwood_dma_data *priv = snd_soc_dai_get_drvdata(dai);
unsigned long value;
unsigned int reg_data;
@ -404,9 +421,10 @@ static const struct snd_soc_dai_ops kirkwood_i2s_dai_ops = {
.set_fmt = kirkwood_i2s_set_fmt,
};
static struct snd_soc_dai_driver kirkwood_i2s_dai = {
.probe = kirkwood_i2s_probe,
static struct snd_soc_dai_driver kirkwood_i2s_dai[2] = {
{
.name = "i2s",
.id = 0,
.playback = {
.channels_min = 1,
.channels_max = 2,
@ -422,10 +440,32 @@ static struct snd_soc_dai_driver kirkwood_i2s_dai = {
.formats = KIRKWOOD_I2S_FORMATS,
},
.ops = &kirkwood_i2s_dai_ops,
},
{
.name = "spdif",
.id = 1,
.playback = {
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
SNDRV_PCM_RATE_96000,
.formats = KIRKWOOD_I2S_FORMATS,
},
.capture = {
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
SNDRV_PCM_RATE_96000,
.formats = KIRKWOOD_I2S_FORMATS,
},
.ops = &kirkwood_i2s_dai_ops,
},
};
static struct snd_soc_dai_driver kirkwood_i2s_dai_extclk = {
.probe = kirkwood_i2s_probe,
static struct snd_soc_dai_driver kirkwood_i2s_dai_extclk[2] = {
{
.name = "i2s",
.id = 0,
.playback = {
.channels_min = 1,
.channels_max = 2,
@ -443,6 +483,28 @@ static struct snd_soc_dai_driver kirkwood_i2s_dai_extclk = {
.formats = KIRKWOOD_I2S_FORMATS,
},
.ops = &kirkwood_i2s_dai_ops,
},
{
.name = "spdif",
.id = 1,
.playback = {
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_192000 |
SNDRV_PCM_RATE_CONTINUOUS |
SNDRV_PCM_RATE_KNOT,
.formats = KIRKWOOD_I2S_FORMATS,
},
.capture = {
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_192000 |
SNDRV_PCM_RATE_CONTINUOUS |
SNDRV_PCM_RATE_KNOT,
.formats = KIRKWOOD_I2S_FORMATS,
},
.ops = &kirkwood_i2s_dai_ops,
},
};
static const struct snd_soc_component_driver kirkwood_i2s_component = {
@ -452,7 +514,7 @@ static const struct snd_soc_component_driver kirkwood_i2s_component = {
static int kirkwood_i2s_dev_probe(struct platform_device *pdev)
{
struct kirkwood_asoc_platform_data *data = pdev->dev.platform_data;
struct snd_soc_dai_driver *soc_dai = &kirkwood_i2s_dai;
struct snd_soc_dai_driver *soc_dai = kirkwood_i2s_dai;
struct kirkwood_dma_data *priv;
struct resource *mem;
struct device_node *np = pdev->dev.of_node;
@ -524,7 +586,7 @@ static int kirkwood_i2s_dev_probe(struct platform_device *pdev)
}
err = snd_soc_register_component(&pdev->dev, &kirkwood_i2s_component,
soc_dai, 1);
soc_dai, 2);
if (err) {
dev_err(&pdev->dev, "snd_soc_register_component failed\n");
goto err_component;
@ -535,6 +597,9 @@ static int kirkwood_i2s_dev_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "snd_soc_register_platform failed\n");
goto err_platform;
}
kirkwood_i2s_init(priv);
return 0;
err_platform:
snd_soc_unregister_component(&pdev->dev);

2
sound/soc/kirkwood/kirkwood-openrd.c
View File

@ -52,7 +52,7 @@ static struct snd_soc_dai_link openrd_client_dai[] = {
{
.name = "CS42L51",
.stream_name = "CS42L51 HiFi",
.cpu_dai_name = "mvebu-audio",
.cpu_dai_name = "i2s",
.platform_name = "mvebu-audio",
.codec_dai_name = "cs42l51-hifi",
.codec_name = "cs42l51-codec.0-004a",

2
sound/soc/kirkwood/kirkwood-t5325.c
View File

@ -68,7 +68,7 @@ static struct snd_soc_dai_link t5325_dai[] = {
{
.name = "ALC5621",
.stream_name = "ALC5621 HiFi",
.cpu_dai_name = "mvebu-audio",
.cpu_dai_name = "i2s",
.platform_name = "mvebu-audio",
.codec_dai_name = "alc5621-hifi",
.codec_name = "alc562x-codec.0-001a",