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);