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 (file)
--- a/sound/soc/kirkwood/kirkwood-i2s.c
+++ b/sound/soc/kirkwood/kirkwood-i2s.c
@@ -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 +421,29 @@ 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,
+               .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,
+    },
+    {
+       .name = "spdif",
+       .id = 1,
        .playback = {
                .channels_min = 1,
                .channels_max = 2,
@@ -422,10 +459,34 @@ static struct snd_soc_dai_driver kirkwood_i2s_dai = {
                .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;
@@ -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);

diff --git a/sound/soc/kirkwood/kirkwood-openrd.c b/sound/soc/kirkwood/kirkwood-openrd.c
index 025be0e..65f2a5b 100644 (file)
--- a/sound/soc/kirkwood/kirkwood-openrd.c
+++ b/sound/soc/kirkwood/kirkwood-openrd.c
@@ -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",

diff --git a/sound/soc/kirkwood/kirkwood-t5325.c b/sound/soc/kirkwood/kirkwood-t5325.c
index 27545b0..d213832 100644 (file)
--- a/sound/soc/kirkwood/kirkwood-t5325.c
+++ b/sound/soc/kirkwood/kirkwood-t5325.c
@@ -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",