ASoC: sdp4430: Add support for digital microphones
OMAP4 SDP/Blaze boards have digital microphones. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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@ -100,8 +100,10 @@ config SND_OMAP_SOC_SDP3430
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config SND_OMAP_SOC_SDP4430
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config SND_OMAP_SOC_SDP4430
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tristate "SoC Audio support for Texas Instruments SDP4430"
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tristate "SoC Audio support for Texas Instruments SDP4430"
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depends on TWL4030_CORE && SND_OMAP_SOC && MACH_OMAP_4430SDP
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depends on TWL4030_CORE && SND_OMAP_SOC && MACH_OMAP_4430SDP
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select SND_OMAP_SOC_DMIC
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select SND_OMAP_SOC_MCPDM
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select SND_OMAP_SOC_MCPDM
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select SND_SOC_TWL6040
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select SND_SOC_TWL6040
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select SND_SOC_DMIC
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help
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help
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Say Y if you want to add support for SoC audio on Texas Instruments
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Say Y if you want to add support for SoC audio on Texas Instruments
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SDP4430.
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SDP4430.
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@ -33,6 +33,7 @@
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#include <plat/hardware.h>
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#include <plat/hardware.h>
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#include <plat/mux.h>
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#include <plat/mux.h>
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#include "omap-dmic.h"
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#include "omap-mcpdm.h"
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#include "omap-mcpdm.h"
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#include "omap-pcm.h"
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#include "omap-pcm.h"
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#include "../codecs/twl6040.h"
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#include "../codecs/twl6040.h"
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@ -67,6 +68,32 @@ static struct snd_soc_ops sdp4430_ops = {
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.hw_params = sdp4430_hw_params,
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.hw_params = sdp4430_hw_params,
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};
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};
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static int sdp4430_dmic_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
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int ret = 0;
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ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_SYSCLK_PAD_CLKS,
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19200000, SND_SOC_CLOCK_IN);
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if (ret < 0) {
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printk(KERN_ERR "can't set DMIC cpu system clock\n");
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return ret;
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}
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ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_ABE_DMIC_CLK, 2400000,
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SND_SOC_CLOCK_OUT);
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if (ret < 0) {
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printk(KERN_ERR "can't set DMIC output clock\n");
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return ret;
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}
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return 0;
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}
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static struct snd_soc_ops sdp4430_dmic_ops = {
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.hw_params = sdp4430_dmic_hw_params,
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};
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/* Headset jack */
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/* Headset jack */
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static struct snd_soc_jack hs_jack;
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static struct snd_soc_jack hs_jack;
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@ -148,23 +175,59 @@ static int sdp4430_twl6040_init(struct snd_soc_pcm_runtime *rtd)
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return ret;
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return ret;
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}
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}
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static const struct snd_soc_dapm_widget sdp4430_dmic_dapm_widgets[] = {
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SND_SOC_DAPM_MIC("Digital Mic", NULL),
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};
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static const struct snd_soc_dapm_route dmic_audio_map[] = {
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{"DMic", NULL, "Digital Mic1 Bias"},
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{"Digital Mic1 Bias", NULL, "Digital Mic"},
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};
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static int sdp4430_dmic_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct snd_soc_codec *codec = rtd->codec;
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struct snd_soc_dapm_context *dapm = &codec->dapm;
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int ret;
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ret = snd_soc_dapm_new_controls(dapm, sdp4430_dmic_dapm_widgets,
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ARRAY_SIZE(sdp4430_dmic_dapm_widgets));
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if (ret)
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return ret;
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return snd_soc_dapm_add_routes(dapm, dmic_audio_map,
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ARRAY_SIZE(dmic_audio_map));
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}
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/* Digital audio interface glue - connects codec <--> CPU */
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/* Digital audio interface glue - connects codec <--> CPU */
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static struct snd_soc_dai_link sdp4430_dai = {
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static struct snd_soc_dai_link sdp4430_dai[] = {
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.name = "TWL6040",
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{
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.stream_name = "TWL6040",
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.name = "TWL6040",
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.cpu_dai_name = "omap-mcpdm",
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.stream_name = "TWL6040",
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.codec_dai_name = "twl6040-legacy",
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.cpu_dai_name = "omap-mcpdm",
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.platform_name = "omap-pcm-audio",
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.codec_dai_name = "twl6040-legacy",
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.codec_name = "twl6040-codec",
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.platform_name = "omap-pcm-audio",
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.init = sdp4430_twl6040_init,
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.codec_name = "twl6040-codec",
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.ops = &sdp4430_ops,
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.init = sdp4430_twl6040_init,
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.ops = &sdp4430_ops,
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},
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{
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.name = "DMIC",
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.stream_name = "DMIC Capture",
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.cpu_dai_name = "omap-dmic",
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.codec_dai_name = "dmic-hifi",
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.platform_name = "omap-pcm-audio",
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.codec_name = "dmic-codec",
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.init = sdp4430_dmic_init,
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.ops = &sdp4430_dmic_ops,
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},
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};
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};
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/* Audio machine driver */
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/* Audio machine driver */
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static struct snd_soc_card snd_soc_sdp4430 = {
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static struct snd_soc_card snd_soc_sdp4430 = {
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.name = "SDP4430",
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.name = "SDP4430",
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.dai_link = &sdp4430_dai,
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.dai_link = sdp4430_dai,
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.num_links = 1,
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.num_links = ARRAY_SIZE(sdp4430_dai),
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.dapm_widgets = sdp4430_twl6040_dapm_widgets,
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.dapm_widgets = sdp4430_twl6040_dapm_widgets,
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.num_dapm_widgets = ARRAY_SIZE(sdp4430_twl6040_dapm_widgets),
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.num_dapm_widgets = ARRAY_SIZE(sdp4430_twl6040_dapm_widgets),
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