diff options
Diffstat (limited to 'sound/soc/omap/sdp4430.c')
| -rw-r--r-- | sound/soc/omap/sdp4430.c | 86 |
1 files changed, 75 insertions, 11 deletions
diff --git a/sound/soc/omap/sdp4430.c b/sound/soc/omap/sdp4430.c index 03d9fa4192fe..175ba9a04edf 100644 --- a/sound/soc/omap/sdp4430.c +++ b/sound/soc/omap/sdp4430.c @@ -33,6 +33,7 @@ #include <plat/hardware.h> #include <plat/mux.h> +#include "omap-dmic.h" #include "omap-mcpdm.h" #include "omap-pcm.h" #include "../codecs/twl6040.h" @@ -67,6 +68,32 @@ static struct snd_soc_ops sdp4430_ops = { .hw_params = sdp4430_hw_params, }; +static int sdp4430_dmic_hw_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 *cpu_dai = rtd->cpu_dai; + int ret = 0; + + ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_SYSCLK_PAD_CLKS, + 19200000, SND_SOC_CLOCK_IN); + if (ret < 0) { + printk(KERN_ERR "can't set DMIC cpu system clock\n"); + return ret; + } + ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_ABE_DMIC_CLK, 2400000, + SND_SOC_CLOCK_OUT); + if (ret < 0) { + printk(KERN_ERR "can't set DMIC output clock\n"); + return ret; + } + return 0; +} + +static struct snd_soc_ops sdp4430_dmic_ops = { + .hw_params = sdp4430_dmic_hw_params, +}; + /* Headset jack */ static struct snd_soc_jack hs_jack; @@ -148,23 +175,60 @@ static int sdp4430_twl6040_init(struct snd_soc_pcm_runtime *rtd) return ret; } +static const struct snd_soc_dapm_widget sdp4430_dmic_dapm_widgets[] = { + SND_SOC_DAPM_MIC("Digital Mic", NULL), +}; + +static const struct snd_soc_dapm_route dmic_audio_map[] = { + {"DMic", NULL, "Digital Mic1 Bias"}, + {"Digital Mic1 Bias", NULL, "Digital Mic"}, +}; + +static int sdp4430_dmic_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_codec *codec = rtd->codec; + struct snd_soc_dapm_context *dapm = &codec->dapm; + int ret; + + ret = snd_soc_dapm_new_controls(dapm, sdp4430_dmic_dapm_widgets, + ARRAY_SIZE(sdp4430_dmic_dapm_widgets)); + if (ret) + return ret; + + return snd_soc_dapm_add_routes(dapm, dmic_audio_map, + ARRAY_SIZE(dmic_audio_map)); +} + /* Digital audio interface glue - connects codec <--> CPU */ -static struct snd_soc_dai_link sdp4430_dai = { - .name = "TWL6040", - .stream_name = "TWL6040", - .cpu_dai_name = "omap-mcpdm", - .codec_dai_name = "twl6040-legacy", - .platform_name = "omap-pcm-audio", - .codec_name = "twl6040-codec", - .init = sdp4430_twl6040_init, - .ops = &sdp4430_ops, +static struct snd_soc_dai_link sdp4430_dai[] = { + { + .name = "TWL6040", + .stream_name = "TWL6040", + .cpu_dai_name = "omap-mcpdm", + .codec_dai_name = "twl6040-legacy", + .platform_name = "omap-pcm-audio", + .codec_name = "twl6040-codec", + .init = sdp4430_twl6040_init, + .ops = &sdp4430_ops, + }, + { + .name = "DMIC", + .stream_name = "DMIC Capture", + .cpu_dai_name = "omap-dmic", + .codec_dai_name = "dmic-hifi", + .platform_name = "omap-pcm-audio", + .codec_name = "dmic-codec", + .init = sdp4430_dmic_init, + .ops = &sdp4430_dmic_ops, + }, }; /* Audio machine driver */ static struct snd_soc_card snd_soc_sdp4430 = { .name = "SDP4430", - .dai_link = &sdp4430_dai, - .num_links = 1, + .owner = THIS_MODULE, + .dai_link = sdp4430_dai, + .num_links = ARRAY_SIZE(sdp4430_dai), .dapm_widgets = sdp4430_twl6040_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(sdp4430_twl6040_dapm_widgets), |