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Diffstat (limited to 'sound/soc/kirkwood/kirkwood-i2s.c')
-rw-r--r--sound/soc/kirkwood/kirkwood-i2s.c108
1 files changed, 88 insertions, 20 deletions
diff --git a/sound/soc/kirkwood/kirkwood-i2s.c b/sound/soc/kirkwood/kirkwood-i2s.c
index 0f3d73d4ef48..d34d91743e3f 100644
--- a/sound/soc/kirkwood/kirkwood-i2s.c
+++ b/sound/soc/kirkwood/kirkwood-i2s.c
@@ -103,7 +103,7 @@ static void kirkwood_set_rate(struct snd_soc_dai *dai,
{
uint32_t clks_ctrl;
- if (rate == 44100 || rate == 48000 || rate == 96000) {
+ if (IS_ERR(priv->extclk)) {
/* use internal dco for the supported rates
* defined in kirkwood_i2s_dai */
dev_dbg(dai->dev, "%s: dco set rate = %lu\n",
@@ -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 +440,53 @@ 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,
+ .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,
+ },
+ {
+ .name = "spdif",
+ .id = 1,
.playback = {
.channels_min = 1,
.channels_max = 2,
@@ -443,6 +504,7 @@ static struct snd_soc_dai_driver kirkwood_i2s_dai_extclk = {
.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;
@@ -496,14 +558,17 @@ static int kirkwood_i2s_dev_probe(struct platform_device *pdev)
return err;
priv->extclk = devm_clk_get(&pdev->dev, "extclk");
- if (!IS_ERR(priv->extclk)) {
+ if (IS_ERR(priv->extclk)) {
+ if (PTR_ERR(priv->extclk) == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+ } else {
if (priv->extclk == priv->clk) {
devm_clk_put(&pdev->dev, priv->extclk);
priv->extclk = ERR_PTR(-EINVAL);
} else {
dev_info(&pdev->dev, "found external clock\n");
clk_prepare_enable(priv->extclk);
- soc_dai = &kirkwood_i2s_dai_extclk;
+ soc_dai = kirkwood_i2s_dai_extclk;
}
}
@@ -521,7 +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;
@@ -532,6 +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);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.