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>
diff --git a/sound/soc/kirkwood/kirkwood-i2s.c b/sound/soc/kirkwood/kirkwood-i2s.c
index d0504a2..9ec38d1 100644
--- a/sound/soc/kirkwood/kirkwood-i2s.c
+++ b/sound/soc/kirkwood/kirkwood-i2s.c
@@ -160,9 +160,11 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
.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 @@
.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 @@
.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 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 @@
}
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 @@
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);