1 files changed, 83 insertions, 1 deletions

diff --git a/drivers/video/sh_mobile_hdmi.c b/drivers/video/sh_mobile_hdmi.c
index 2fde08cc66bf..ef989d94511c 100644
--- a/drivers/video/sh_mobile_hdmi.c
+++ b/drivers/video/sh_mobile_hdmi.c
@@ -22,6 +22,8 @@
 #include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/workqueue.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
 
 #include <video/sh_mobile_hdmi.h>
 #include <video/sh_mobile_lcdc.h>
@@ -222,6 +224,58 @@ static u8 hdmi_read(struct sh_hdmi *hdmi, u8 reg)
         return ioread8(hdmi->base + reg);
 }
 
+/*
+ *      HDMI sound
+ */
+static unsigned int sh_hdmi_snd_read(struct snd_soc_codec *codec,
+                                     unsigned int reg)
+{
+        struct sh_hdmi *hdmi = snd_soc_codec_get_drvdata(codec);
+
+        return hdmi_read(hdmi, reg);
+}
+
+static int sh_hdmi_snd_write(struct snd_soc_codec *codec,
+                             unsigned int reg,
+                             unsigned int value)
+{
+        struct sh_hdmi *hdmi = snd_soc_codec_get_drvdata(codec);
+
+        hdmi_write(hdmi, value, reg);
+        return 0;
+}
+
+static struct snd_soc_dai_driver sh_hdmi_dai = {
+        .name = "sh_mobile_hdmi-hifi",
+        .playback = {
+                .stream_name = "Playback",
+                .channels_min = 2,
+                .channels_max = 8,
+                .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100  |
+                         SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200  |
+                         SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |
+                         SNDRV_PCM_RATE_192000,
+                .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
+        },
+};
+
+static int sh_hdmi_snd_probe(struct snd_soc_codec *codec)
+{
+        dev_info(codec->dev, "SH Mobile HDMI Audio Codec");
+
+        return 0;
+}
+
+static struct snd_soc_codec_driver soc_codec_dev_sh_hdmi = {
+        .probe          = sh_hdmi_snd_probe,
+        .read           = sh_hdmi_snd_read,
+        .write          = sh_hdmi_snd_write,
+};
+
+/*
+ *      HDMI video
+ */
+
 /* External video parameter settings */
 static void hdmi_external_video_param(struct sh_hdmi *hdmi)
 {
@@ -318,6 +372,9 @@ static void sh_hdmi_video_config(struct sh_hdmi *hdmi)
  */
 static void sh_hdmi_audio_config(struct sh_hdmi *hdmi)
 {
+        u8 data;
+        struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data;
+
         /*
          * [7:4] L/R data swap control
          * [3:0] appropriate N[19:16]
@@ -335,7 +392,23 @@ static void sh_hdmi_audio_config(struct sh_hdmi *hdmi)
          * [6:5] set required down sampling rate if required
          * [4:3] set required audio source
          */
-        hdmi_write(hdmi, 0x00, HDMI_AUDIO_SETTING_1);
+        switch (pdata->flags & HDMI_SND_SRC_MASK) {
+        default:
+                /* fall through */
+        case HDMI_SND_SRC_I2S:
+                data = 0x0 << 3;
+                break;
+        case HDMI_SND_SRC_SPDIF:
+                data = 0x1 << 3;
+                break;
+        case HDMI_SND_SRC_DSD:
+                data = 0x2 << 3;
+                break;
+        case HDMI_SND_SRC_HBR:
+                data = 0x3 << 3;
+                break;
+        }
+        hdmi_write(hdmi, data, HDMI_AUDIO_SETTING_1);
 
         /* [3:0] set sending channel number for channel status */
         hdmi_write(hdmi, 0x40, HDMI_AUDIO_SETTING_2);
@@ -891,6 +964,11 @@ static int __init sh_hdmi_probe(struct platform_device *pdev)
                 return -ENOMEM;
         }
 
+        ret =  snd_soc_register_codec(&pdev->dev,
+                        &soc_codec_dev_sh_hdmi, &sh_hdmi_dai, 1);
+        if (ret < 0)
+                goto esndreg;
+
         hdmi->dev = &pdev->dev;
 
         hdmi->hdmi_clk = clk_get(&pdev->dev, "ick");
@@ -976,6 +1054,8 @@ eclkenable:
 erate:
         clk_put(hdmi->hdmi_clk);
 egetclk:
+        snd_soc_unregister_codec(&pdev->dev);
+esndreg:
         kfree(hdmi);
 
         return ret;
@@ -988,6 +1068,8 @@ static int __exit sh_hdmi_remove(struct platform_device *pdev)
         struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
         int irq = platform_get_irq(pdev, 0);
 
+        snd_soc_unregister_codec(&pdev->dev);
+
         pdata->lcd_chan->board_cfg.display_on = NULL;
         pdata->lcd_chan->board_cfg.display_off = NULL;
         pdata->lcd_chan->board_cfg.board_data = NULL;