fbdev: sh-mobile: Add HDMI sound type selection

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

2 files changed, 36 insertions, 1 deletions

diff --git a/drivers/video/sh_mobile_hdmi.c b/drivers/video/sh_mobile_hdmi.c
index 2fde08cc66bf..8a05c5b0b9b8 100644
--- a/drivers/video/sh_mobile_hdmi.c
+++ b/drivers/video/sh_mobile_hdmi.c
@@ -318,6 +318,9 @@ 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 +338,23 @@ 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_SRC_MASK) {
+        default:
+                /* FALL THROUGH */
+        case HDMI_SRC_I2S:
+                data = (0x0 << 3);
+                break;
+        case HDMI_SRC_SPDIF:
+                data = (0x1 << 3);
+                break;
+        case HDMI_SRC_DSD:
+                data = (0x2 << 3);
+                break;
+        case HDMI_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);
diff --git a/include/video/sh_mobile_hdmi.h b/include/video/sh_mobile_hdmi.h
index 577cf18cce89..929c2d3147bc 100644
--- a/include/video/sh_mobile_hdmi.h
+++ b/include/video/sh_mobile_hdmi.h
@@ -14,9 +14,25 @@
 struct sh_mobile_lcdc_chan_cfg;
 struct device;
 
+/*
+ * flags format
+ *
+ * 0x0000000A
+ *
+ * A: Audio source select
+ */
+
+/* Audio source select */
+#define HDMI_SRC_MASK           (0xF << 0)
+#define HDMI_SRC_I2S            (0 << 0) /* default */
+#define HDMI_SRC_SPDIF          (1 << 0)
+#define HDMI_SRC_DSD            (2 << 0)
+#define HDMI_SRC_HBR            (3 << 0)
+
 struct sh_mobile_hdmi_info {
         struct sh_mobile_lcdc_chan_cfg  *lcd_chan;
         struct device                   *lcd_dev;
+        unsigned int                     flags;
 };
 
 #endif