ASoC: SDP3430: Connect twl4030 voice DAI to McBSP3

Connect twl4030 voice DAI to McBSP3 in sdp3430 machine driver.
Voice DAI init function enables corresponding interface by
writting directly to VOICE_IF codec register.

Signed-off-by: Misael Lopez Cruz <x0052729@ti.com>
Acked-by: Peter Ujflausi <peter.ujfalusi@nokia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 77 insertions, 10 deletions

diff --git a/sound/soc/omap/sdp3430.c b/sound/soc/omap/sdp3430.c
index 1c7974101a0b..19966a7c518e 100644
--- a/sound/soc/omap/sdp3430.c
+++ b/sound/soc/omap/sdp3430.c
@@ -84,6 +84,49 @@ static struct snd_soc_ops sdp3430_ops = {
         .hw_params = sdp3430_hw_params,
 };
 
+static int sdp3430_hw_voice_params(struct snd_pcm_substream *substream,
+        struct snd_pcm_hw_params *params)
+{
+        struct snd_soc_pcm_runtime *rtd = substream->private_data;
+        struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
+        struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
+        int ret;
+
+        /* Set codec DAI configuration */
+        ret = snd_soc_dai_set_fmt(codec_dai,
+                                SND_SOC_DAIFMT_DSP_A |
+                                SND_SOC_DAIFMT_IB_NF |
+                                SND_SOC_DAIFMT_CBS_CFM);
+        if (ret) {
+                printk(KERN_ERR "can't set codec DAI configuration\n");
+                return ret;
+        }
+
+        /* Set cpu DAI configuration */
+        ret = snd_soc_dai_set_fmt(cpu_dai,
+                                SND_SOC_DAIFMT_DSP_A |
+                                SND_SOC_DAIFMT_IB_NF |
+                                SND_SOC_DAIFMT_CBM_CFM);
+        if (ret < 0) {
+                printk(KERN_ERR "can't set cpu DAI configuration\n");
+                return ret;
+        }
+
+        /* Set the codec system clock for DAC and ADC */
+        ret = snd_soc_dai_set_sysclk(codec_dai, 0, 26000000,
+                                            SND_SOC_CLOCK_IN);
+        if (ret < 0) {
+                printk(KERN_ERR "can't set codec system clock\n");
+                return ret;
+        }
+
+        return 0;
+}
+
+static struct snd_soc_ops sdp3430_voice_ops = {
+        .hw_params = sdp3430_hw_voice_params,
+};
+
 /* Headset jack */
 static struct snd_soc_jack hs_jack;
 
@@ -192,22 +235,45 @@ static int sdp3430_twl4030_init(struct snd_soc_codec *codec)
         return ret;
 }
 
+static int sdp3430_twl4030_voice_init(struct snd_soc_codec *codec)
+{
+        unsigned short reg;
+
+        /* Enable voice interface */
+        reg = codec->read(codec, TWL4030_REG_VOICE_IF);
+        reg |= TWL4030_VIF_DIN_EN | TWL4030_VIF_DOUT_EN | TWL4030_VIF_EN;
+        codec->write(codec, TWL4030_REG_VOICE_IF, reg);
+
+        return 0;
+}
+
+
 /* Digital audio interface glue - connects codec <--> CPU */
-static struct snd_soc_dai_link sdp3430_dai = {
-        .name = "TWL4030",
-        .stream_name = "TWL4030",
-        .cpu_dai = &omap_mcbsp_dai[0],
-        .codec_dai = &twl4030_dai[TWL4030_DAI_HIFI],
-        .init = sdp3430_twl4030_init,
-        .ops = &sdp3430_ops,
+static struct snd_soc_dai_link sdp3430_dai[] = {
+        {
+                .name = "TWL4030 I2S",
+                .stream_name = "TWL4030 Audio",
+                .cpu_dai = &omap_mcbsp_dai[0],
+                .codec_dai = &twl4030_dai[TWL4030_DAI_HIFI],
+                .init = sdp3430_twl4030_init,
+                .ops = &sdp3430_ops,
+        },
+        {
+                .name = "TWL4030 PCM",
+                .stream_name = "TWL4030 Voice",
+                .cpu_dai = &omap_mcbsp_dai[1],
+                .codec_dai = &twl4030_dai[TWL4030_DAI_VOICE],
+                .init = sdp3430_twl4030_voice_init,
+                .ops = &sdp3430_voice_ops,
+        },
 };
 
 /* Audio machine driver */
 static struct snd_soc_card snd_soc_sdp3430 = {
         .name = "SDP3430",
         .platform = &omap_soc_platform,
-        .dai_link = &sdp3430_dai,
-        .num_links = 1,
+        .dai_link = sdp3430_dai,
+        .num_links = ARRAY_SIZE(sdp3430_dai),
 };
 
 /* Audio subsystem */
@@ -236,7 +302,8 @@ static int __init sdp3430_soc_init(void)
 
         platform_set_drvdata(sdp3430_snd_device, &sdp3430_snd_devdata);
         sdp3430_snd_devdata.dev = &sdp3430_snd_device->dev;
-        *(unsigned int *)sdp3430_dai.cpu_dai->private_data = 1; /* McBSP2 */
+        *(unsigned int *)sdp3430_dai[0].cpu_dai->private_data = 1; /* McBSP2 */
+        *(unsigned int *)sdp3430_dai[1].cpu_dai->private_data = 2; /* McBSP3 */
 
         ret = platform_device_add(sdp3430_snd_device);
         if (ret)