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 --- sound/soc/omap/sdp3430.c | 87 ++++++++++++++++++++++++++++++++++++++++----- 1 files changed, 77 insertions(+), 10 deletions(-)

diff --git a/sound/soc/omap/sdp3430.c b/sound/soc/omap/sdp3430.c index 1c79741..19966a7 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)