Added missing tegra files.HEADmaster

1 files changed, 223 insertions, 0 deletions

diff --git a/sound/soc/omap/sdp4430.c b/sound/soc/omap/sdp4430.c
new file mode 100644
index 00000000000..b80efb02bfc
--- /dev/null
+++ b/sound/soc/omap/sdp4430.c
@@ -0,0 +1,223 @@
+/*
+ * sdp4430.c  --  SoC audio for TI OMAP4430 SDP
+ *
+ * Author: Misael Lopez Cruz <x0052729@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#include <linux/clk.h>
+#include <linux/platform_device.h>
+#include <linux/mfd/twl6040.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/jack.h>
+
+#include <asm/mach-types.h>
+#include <plat/hardware.h>
+#include <plat/mux.h>
+
+#include "mcpdm.h"
+#include "omap-pcm.h"
+#include "../codecs/twl6040.h"
+
+static int sdp4430_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 *codec_dai = rtd->codec_dai;
+        int clk_id, freq;
+        int ret;
+
+        clk_id = twl6040_get_clk_id(rtd->codec);
+        if (clk_id == TWL6040_SYSCLK_SEL_HPPLL)
+                freq = 38400000;
+        else if (clk_id == TWL6040_SYSCLK_SEL_LPPLL)
+                freq = 32768;
+        else
+                return -EINVAL;
+
+        /* set the codec mclk */
+        ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq,
+                                SND_SOC_CLOCK_IN);
+        if (ret) {
+                printk(KERN_ERR "can't set codec system clock\n");
+                return ret;
+        }
+        return ret;
+}
+
+static struct snd_soc_ops sdp4430_ops = {
+        .hw_params = sdp4430_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,
+        },
+};
+
+/* SDP4430 machine DAPM */
+static const struct snd_soc_dapm_widget sdp4430_twl6040_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),
+        SND_SOC_DAPM_SPK("Earphone Spk", NULL),
+        SND_SOC_DAPM_INPUT("Aux/FM Stereo In"),
+};
+
+static const struct snd_soc_dapm_route audio_map[] = {
+        /* External Mics: MAINMIC, SUBMIC with bias*/
+        {"MAINMIC", NULL, "Main Mic Bias"},
+        {"SUBMIC", NULL, "Main Mic Bias"},
+        {"Main Mic Bias", 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"},
+
+        /* Earphone speaker */
+        {"Earphone Spk", NULL, "EP"},
+
+        /* Aux/FM Stereo In: AFML, AFMR */
+        {"AFML", NULL, "Aux/FM Stereo In"},
+        {"AFMR", NULL, "Aux/FM Stereo In"},
+};
+
+static int sdp4430_twl6040_init(struct snd_soc_pcm_runtime *rtd)
+{
+        struct snd_soc_codec *codec = rtd->codec;
+        struct snd_soc_dapm_context *dapm = &codec->dapm;
+        int ret;
+
+        /* Add SDP4430 specific widgets */
+        ret = snd_soc_dapm_new_controls(dapm, sdp4430_twl6040_dapm_widgets,
+                                ARRAY_SIZE(sdp4430_twl6040_dapm_widgets));
+        if (ret)
+                return ret;
+
+        /* Set up SDP4430 specific audio path audio_map */
+        snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
+
+        /* SDP4430 connected pins */
+        snd_soc_dapm_enable_pin(dapm, "Ext Mic");
+        snd_soc_dapm_enable_pin(dapm, "Ext Spk");
+        snd_soc_dapm_enable_pin(dapm, "AFML");
+        snd_soc_dapm_enable_pin(dapm, "AFMR");
+        snd_soc_dapm_enable_pin(dapm, "Headset Mic");
+        snd_soc_dapm_enable_pin(dapm, "Headset Stereophone");
+
+        ret = snd_soc_dapm_sync(dapm);
+        if (ret)
+                return ret;
+
+        /* Headset jack detection */
+        ret = snd_soc_jack_new(codec, "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 (machine_is_omap_4430sdp())
+                twl6040_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADSET);
+        else
+                snd_soc_jack_report(&hs_jack, SND_JACK_HEADSET, SND_JACK_HEADSET);
+
+        return ret;
+}
+
+/* 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-dai",
+        .codec_dai_name = "twl6040-hifi",
+        .platform_name = "omap-pcm-audio",
+        .codec_name = "twl6040-codec",
+        .init = sdp4430_twl6040_init,
+        .ops = &sdp4430_ops,
+};
+
+/* Audio machine driver */
+static struct snd_soc_card snd_soc_sdp4430 = {
+        .name = "SDP4430",
+        .dai_link = &sdp4430_dai,
+        .num_links = 1,
+};
+
+static struct platform_device *sdp4430_snd_device;
+
+static int __init sdp4430_soc_init(void)
+{
+        int ret;
+
+        if (!machine_is_omap_4430sdp())
+                return -ENODEV;
+        printk(KERN_INFO "SDP4430 SoC init\n");
+
+        sdp4430_snd_device = platform_device_alloc("soc-audio", -1);
+        if (!sdp4430_snd_device) {
+                printk(KERN_ERR "Platform device allocation failed\n");
+                return -ENOMEM;
+        }
+
+        platform_set_drvdata(sdp4430_snd_device, &snd_soc_sdp4430);
+
+        ret = platform_device_add(sdp4430_snd_device);
+        if (ret)
+                goto err;
+
+        return 0;
+
+err:
+        printk(KERN_ERR "Unable to add platform device\n");
+        platform_device_put(sdp4430_snd_device);
+        return ret;
+}
+module_init(sdp4430_soc_init);
+
+static void __exit sdp4430_soc_exit(void)
+{
+        platform_device_unregister(sdp4430_snd_device);
+}
+module_exit(sdp4430_soc_exit);
+
+MODULE_AUTHOR("Misael Lopez Cruz <x0052729@ti.com>");
+MODULE_DESCRIPTION("ALSA SoC SDP4430");
+MODULE_LICENSE("GPL");
+