ASoC: add ttc-dkb machine support

add ttc-dkb machine support for pxa910. It uses 88pm8607 as codec
dai, mmp-pcm as platform and pxa-ssp as cpu dai.

Signed-off-by: Qiao Zhou <zhouqiao@marvell.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

3 files changed, 195 insertions, 0 deletions

diff --git a/sound/soc/pxa/Kconfig b/sound/soc/pxa/Kconfig
index d389fd574efe..4d2e46fae77c 100644
--- a/sound/soc/pxa/Kconfig
+++ b/sound/soc/pxa/Kconfig
@@ -150,6 +150,26 @@ config SND_SOC_TAVOREVB3
           Say Y if you want to add support for SoC audio on the
           Marvell Saarb reference platform.
 
+config SND_PXA910_SOC
+        tristate "SoC Audio for Marvell PXA910 chip"
+        depends on ARCH_MMP && SND
+        select SND_PCM
+        help
+          Say Y if you want to add support for SoC audio on the
+          Marvell PXA910 reference platform.
+
+config SND_SOC_TTC_DKB
+        bool "SoC Audio support for TTC DKB"
+        depends on SND_PXA910_SOC && MACH_TTC_DKB
+        select PXA_SSP
+        select SND_PXA_SOC_SSP
+        select SND_MMP_SOC
+        select MFD_88PM860X
+        select SND_SOC_88PM860X
+        help
+          Say Y if you want to add support for SoC audio on TTC DKB
+
+
 config SND_SOC_ZYLONITE
         tristate "SoC Audio support for Marvell Zylonite"
         depends on SND_PXA2XX_SOC && MACH_ZYLONITE
diff --git a/sound/soc/pxa/Makefile b/sound/soc/pxa/Makefile
index c12aa2a9bf74..d8a265d2d5d7 100644
--- a/sound/soc/pxa/Makefile
+++ b/sound/soc/pxa/Makefile
@@ -33,6 +33,7 @@ snd-soc-z2-objs := z2.o
 snd-soc-imote2-objs := imote2.o
 snd-soc-raumfeld-objs := raumfeld.o
 snd-soc-brownstone-objs := brownstone.o
+snd-soc-ttc-dkb-objs := ttc-dkb.o
 
 obj-$(CONFIG_SND_PXA2XX_SOC_CORGI) += snd-soc-corgi.o
 obj-$(CONFIG_SND_PXA2XX_SOC_POODLE) += snd-soc-poodle.o
@@ -53,3 +54,4 @@ obj-$(CONFIG_SND_SOC_ZYLONITE) += snd-soc-zylonite.o
 obj-$(CONFIG_SND_PXA2XX_SOC_IMOTE2) += snd-soc-imote2.o
 obj-$(CONFIG_SND_SOC_RAUMFELD) += snd-soc-raumfeld.o
 obj-$(CONFIG_SND_MMP_SOC_BROWNSTONE) += snd-soc-brownstone.o
+obj-$(CONFIG_SND_SOC_TTC_DKB) += snd-soc-ttc-dkb.o
diff --git a/sound/soc/pxa/ttc-dkb.c b/sound/soc/pxa/ttc-dkb.c
new file mode 100644
index 000000000000..935491a8a770
--- /dev/null
+++ b/sound/soc/pxa/ttc-dkb.c
@@ -0,0 +1,173 @@
+/*
+ * linux/sound/soc/pxa/ttc_dkb.c
+ *
+ * Copyright (C) 2012 Marvell International Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/jack.h>
+#include <asm/mach-types.h>
+#include <sound/pcm_params.h>
+#include "../codecs/88pm860x-codec.h"
+
+static struct snd_soc_jack hs_jack, mic_jack;
+
+static struct snd_soc_jack_pin hs_jack_pins[] = {
+        { .pin = "Headset Stereophone", .mask = SND_JACK_HEADPHONE, },
+};
+
+static struct snd_soc_jack_pin mic_jack_pins[] = {
+        { .pin = "Headset Mic 2",       .mask = SND_JACK_MICROPHONE, },
+};
+
+/* ttc machine dapm widgets */
+static const struct snd_soc_dapm_widget ttc_dapm_widgets[] = {
+        SND_SOC_DAPM_HP("Headset Stereophone", NULL),
+        SND_SOC_DAPM_LINE("Lineout Out 1", NULL),
+        SND_SOC_DAPM_LINE("Lineout Out 2", NULL),
+        SND_SOC_DAPM_SPK("Ext Speaker", NULL),
+        SND_SOC_DAPM_MIC("Ext Mic 1", NULL),
+        SND_SOC_DAPM_MIC("Headset Mic 2", NULL),
+        SND_SOC_DAPM_MIC("Ext Mic 3", NULL),
+};
+
+/* ttc machine audio map */
+static const struct snd_soc_dapm_route ttc_audio_map[] = {
+        {"Headset Stereophone", NULL, "HS1"},
+        {"Headset Stereophone", NULL, "HS2"},
+
+        {"Ext Speaker", NULL, "LSP"},
+        {"Ext Speaker", NULL, "LSN"},
+
+        {"Lineout Out 1", NULL, "LINEOUT1"},
+        {"Lineout Out 2", NULL, "LINEOUT2"},
+
+        {"MIC1P", NULL, "Mic1 Bias"},
+        {"MIC1N", NULL, "Mic1 Bias"},
+        {"Mic1 Bias", NULL, "Ext Mic 1"},
+
+        {"MIC2P", NULL, "Mic1 Bias"},
+        {"MIC2N", NULL, "Mic1 Bias"},
+        {"Mic1 Bias", NULL, "Headset Mic 2"},
+
+        {"MIC3P", NULL, "Mic3 Bias"},
+        {"MIC3N", NULL, "Mic3 Bias"},
+        {"Mic3 Bias", NULL, "Ext Mic 3"},
+};
+
+static int ttc_pm860x_init(struct snd_soc_pcm_runtime *rtd)
+{
+        struct snd_soc_codec *codec = rtd->codec;
+        struct snd_soc_dapm_context *dapm = &codec->dapm;
+
+        /* connected pins */
+        snd_soc_dapm_enable_pin(dapm, "Ext Speaker");
+        snd_soc_dapm_enable_pin(dapm, "Ext Mic 1");
+        snd_soc_dapm_enable_pin(dapm, "Ext Mic 3");
+        snd_soc_dapm_disable_pin(dapm, "Headset Mic 2");
+        snd_soc_dapm_disable_pin(dapm, "Headset Stereophone");
+
+        /* Headset jack detection */
+        snd_soc_jack_new(codec, "Headphone Jack", SND_JACK_HEADPHONE
+                        | SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2,
+                        &hs_jack);
+        snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
+                              hs_jack_pins);
+        snd_soc_jack_new(codec, "Microphone Jack", SND_JACK_MICROPHONE,
+                         &mic_jack);
+        snd_soc_jack_add_pins(&mic_jack, ARRAY_SIZE(mic_jack_pins),
+                              mic_jack_pins);
+
+        /* headphone, microphone detection & headset short detection */
+        pm860x_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADPHONE,
+                              SND_JACK_BTN_0, SND_JACK_BTN_1, SND_JACK_BTN_2);
+        pm860x_mic_jack_detect(codec, &hs_jack, SND_JACK_MICROPHONE);
+
+        return 0;
+}
+
+/* ttc/td-dkb digital audio interface glue - connects codec <--> CPU */
+static struct snd_soc_dai_link ttc_pm860x_hifi_dai[] = {
+{
+         .name = "88pm860x i2s",
+         .stream_name = "audio playback",
+         .codec_name = "88pm860x-codec",
+         .platform_name = "mmp-pcm-audio",
+         .cpu_dai_name = "pxa-ssp-dai.1",
+         .codec_dai_name = "88pm860x-i2s",
+         .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+                        SND_SOC_DAIFMT_CBM_CFM,
+         .init = ttc_pm860x_init,
+},
+};
+
+/* ttc/td audio machine driver */
+static struct snd_soc_card ttc_dkb_card = {
+        .name = "ttc-dkb-hifi",
+        .dai_link = ttc_pm860x_hifi_dai,
+        .num_links = ARRAY_SIZE(ttc_pm860x_hifi_dai),
+
+        .dapm_widgets = ttc_dapm_widgets,
+        .num_dapm_widgets = ARRAY_SIZE(ttc_dapm_widgets),
+        .dapm_routes = ttc_audio_map,
+        .num_dapm_routes = ARRAY_SIZE(ttc_audio_map),
+};
+
+static int __devinit ttc_dkb_probe(struct platform_device *pdev)
+{
+        struct snd_soc_card *card = &ttc_dkb_card;
+        int ret;
+
+        card->dev = &pdev->dev;
+
+        ret = snd_soc_register_card(card);
+        if (ret)
+                dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
+                        ret);
+
+        return ret;
+}
+
+static int __devexit ttc_dkb_remove(struct platform_device *pdev)
+{
+        struct snd_soc_card *card = platform_get_drvdata(pdev);
+
+        snd_soc_unregister_card(card);
+
+        return 0;
+}
+
+static struct platform_driver ttc_dkb_driver = {
+        .driver         = {
+                .name   = "ttc-dkb-audio",
+                .owner  = THIS_MODULE,
+        },
+        .probe          = ttc_dkb_probe,
+        .remove         = __devexit_p(ttc_dkb_remove),
+};
+
+module_platform_driver(ttc_dkb_driver);
+
+/* Module information */
+MODULE_AUTHOR("Qiao Zhou, <zhouqiao@marvell.com>");
+MODULE_DESCRIPTION("ALSA SoC TTC DKB");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:ttc-dkb-audio");