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Diffstat (limited to 'sound/soc/omap/sdp3430.c')
-rw-r--r--sound/soc/omap/sdp3430.c115
1 files changed, 115 insertions, 0 deletions
diff --git a/sound/soc/omap/sdp3430.c b/sound/soc/omap/sdp3430.c
index e226fa75669c..10f1c867f11d 100644
--- a/sound/soc/omap/sdp3430.c
+++ b/sound/soc/omap/sdp3430.c
@@ -28,6 +28,7 @@
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
+#include <sound/jack.h>
#include <asm/mach-types.h>
#include <mach/hardware.h>
@@ -38,6 +39,8 @@
#include "omap-pcm.h"
#include "../codecs/twl4030.h"
+static struct snd_soc_card snd_soc_sdp3430;
+
static int sdp3430_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
@@ -81,12 +84,121 @@ static struct snd_soc_ops sdp3430_ops = {
.hw_params = sdp3430_hw_params,
};
+/* Headset jack */
+static struct snd_soc_jack hs_jack;
+
+/* Headset jack detection DAPM pins */
+static struct snd_soc_jack_pin hs_jack_pins[] = {
+ {
+ .pin = "Headset Mic",
+ .mask = SND_JACK_MICROPHONE,
+ },
+ {
+ .pin = "Headset Stereophone",
+ .mask = SND_JACK_HEADPHONE,
+ },
+};
+
+/* Headset jack detection gpios */
+static struct snd_soc_jack_gpio hs_jack_gpios[] = {
+ {
+ .gpio = (OMAP_MAX_GPIO_LINES + 2),
+ .name = "hsdet-gpio",
+ .report = SND_JACK_HEADSET,
+ .debounce_time = 200,
+ },
+};
+
+/* SDP3430 machine DAPM */
+static const struct snd_soc_dapm_widget sdp3430_twl4030_dapm_widgets[] = {
+ SND_SOC_DAPM_MIC("Ext Mic", NULL),
+ SND_SOC_DAPM_SPK("Ext Spk", NULL),
+ SND_SOC_DAPM_MIC("Headset Mic", NULL),
+ SND_SOC_DAPM_HP("Headset Stereophone", NULL),
+};
+
+static const struct snd_soc_dapm_route audio_map[] = {
+ /* External Mics: MAINMIC, SUBMIC with bias*/
+ {"MAINMIC", NULL, "Mic Bias 1"},
+ {"SUBMIC", NULL, "Mic Bias 2"},
+ {"Mic Bias 1", NULL, "Ext Mic"},
+ {"Mic Bias 2", NULL, "Ext Mic"},
+
+ /* External Speakers: HFL, HFR */
+ {"Ext Spk", NULL, "HFL"},
+ {"Ext Spk", NULL, "HFR"},
+
+ /* Headset Mic: HSMIC with bias */
+ {"HSMIC", NULL, "Headset Mic Bias"},
+ {"Headset Mic Bias", NULL, "Headset Mic"},
+
+ /* Headset Stereophone (Headphone): HSOL, HSOR */
+ {"Headset Stereophone", NULL, "HSOL"},
+ {"Headset Stereophone", NULL, "HSOR"},
+};
+
+static int sdp3430_twl4030_init(struct snd_soc_codec *codec)
+{
+ int ret;
+
+ /* Add SDP3430 specific widgets */
+ ret = snd_soc_dapm_new_controls(codec, sdp3430_twl4030_dapm_widgets,
+ ARRAY_SIZE(sdp3430_twl4030_dapm_widgets));
+ if (ret)
+ return ret;
+
+ /* Set up SDP3430 specific audio path audio_map */
+ snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
+
+ /* SDP3430 connected pins */
+ snd_soc_dapm_enable_pin(codec, "Ext Mic");
+ snd_soc_dapm_enable_pin(codec, "Ext Spk");
+ snd_soc_dapm_disable_pin(codec, "Headset Mic");
+ snd_soc_dapm_disable_pin(codec, "Headset Stereophone");
+
+ /* TWL4030 not connected pins */
+ snd_soc_dapm_nc_pin(codec, "AUXL");
+ snd_soc_dapm_nc_pin(codec, "AUXR");
+ snd_soc_dapm_nc_pin(codec, "CARKITMIC");
+ snd_soc_dapm_nc_pin(codec, "DIGIMIC0");
+ snd_soc_dapm_nc_pin(codec, "DIGIMIC1");
+
+ snd_soc_dapm_nc_pin(codec, "OUTL");
+ snd_soc_dapm_nc_pin(codec, "OUTR");
+ snd_soc_dapm_nc_pin(codec, "EARPIECE");
+ snd_soc_dapm_nc_pin(codec, "PREDRIVEL");
+ snd_soc_dapm_nc_pin(codec, "PREDRIVER");
+ snd_soc_dapm_nc_pin(codec, "CARKITL");
+ snd_soc_dapm_nc_pin(codec, "CARKITR");
+
+ ret = snd_soc_dapm_sync(codec);
+ if (ret)
+ return ret;
+
+ /* Headset jack detection */
+ ret = snd_soc_jack_new(&snd_soc_sdp3430, "Headset Jack",
+ SND_JACK_HEADSET, &hs_jack);
+ if (ret)
+ return ret;
+
+ ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
+ hs_jack_pins);
+ if (ret)
+ return ret;
+
+ ret = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios),
+ hs_jack_gpios);
+
+ return ret;
+}
+
/* 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,
+ .init = sdp3430_twl4030_init,
.ops = &sdp3430_ops,
};
@@ -142,6 +254,9 @@ module_init(sdp3430_soc_init);
static void __exit sdp3430_soc_exit(void)
{
+ snd_soc_jack_free_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios),
+ hs_jack_gpios);
+
platform_device_unregister(sdp3430_snd_device);
}
module_exit(sdp3430_soc_exit);