1 files changed, 146 insertions, 0 deletions

diff --git a/sound/soc/cirrus/snappercl15.c b/sound/soc/cirrus/snappercl15.c
new file mode 100644
index 000000000000..a193cea3cf3c
--- /dev/null
+++ b/sound/soc/cirrus/snappercl15.c
@@ -0,0 +1,146 @@
+/*
+ * snappercl15.c -- SoC audio for Bluewater Systems Snapper CL15 module
+ *
+ * Copyright (C) 2008 Bluewater Systems Ltd
+ * Author: Ryan Mallon
+ *
+ *  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.
+ *
+ */
+
+#include <linux/platform_device.h>
+#include <linux/module.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+
+#include <asm/mach-types.h>
+#include <mach/hardware.h>
+
+#include "../codecs/tlv320aic23.h"
+#include "ep93xx-pcm.h"
+
+#define CODEC_CLOCK 5644800
+
+static int snappercl15_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;
+        struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+        int err;
+
+        err = snd_soc_dai_set_sysclk(codec_dai, 0, CODEC_CLOCK, 
+                                     SND_SOC_CLOCK_IN);
+        if (err)
+                return err;
+
+        err = snd_soc_dai_set_sysclk(cpu_dai, 0, CODEC_CLOCK, 
+                                     SND_SOC_CLOCK_OUT);
+        if (err)
+                return err;
+
+        return 0;
+}
+
+static struct snd_soc_ops snappercl15_ops = {
+        .hw_params      = snappercl15_hw_params,
+};
+
+static const struct snd_soc_dapm_widget tlv320aic23_dapm_widgets[] = {
+        SND_SOC_DAPM_HP("Headphone Jack", NULL),
+        SND_SOC_DAPM_LINE("Line In", NULL),
+        SND_SOC_DAPM_MIC("Mic Jack", NULL),
+};
+
+static const struct snd_soc_dapm_route audio_map[] = {
+        {"Headphone Jack", NULL, "LHPOUT"},
+        {"Headphone Jack", NULL, "RHPOUT"},
+
+        {"LLINEIN", NULL, "Line In"},
+        {"RLINEIN", NULL, "Line In"},
+
+        {"MICIN", NULL, "Mic Jack"},
+};
+
+static int snappercl15_tlv320aic23_init(struct snd_soc_pcm_runtime *rtd)
+{
+        struct snd_soc_codec *codec = rtd->codec;
+        struct snd_soc_dapm_context *dapm = &codec->dapm;
+
+        snd_soc_dapm_new_controls(dapm, tlv320aic23_dapm_widgets,
+                                  ARRAY_SIZE(tlv320aic23_dapm_widgets));
+
+        snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
+        return 0;
+}
+
+static struct snd_soc_dai_link snappercl15_dai = {
+        .name           = "tlv320aic23",
+        .stream_name    = "AIC23",
+        .cpu_dai_name   = "ep93xx-i2s",
+        .codec_dai_name = "tlv320aic23-hifi",
+        .codec_name     = "tlv320aic23-codec.0-001a",
+        .platform_name  =  "ep93xx-pcm-audio",
+        .init           = snappercl15_tlv320aic23_init,
+        .dai_fmt        = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_IF |
+                          SND_SOC_DAIFMT_CBS_CFS,
+        .ops            = &snappercl15_ops,
+};
+
+static struct snd_soc_card snd_soc_snappercl15 = {
+        .name           = "Snapper CL15",
+        .owner          = THIS_MODULE,
+        .dai_link       = &snappercl15_dai,
+        .num_links      = 1,
+};
+
+static int __devinit snappercl15_probe(struct platform_device *pdev)
+{
+        struct snd_soc_card *card = &snd_soc_snappercl15;
+        int ret;
+
+        ret = ep93xx_i2s_acquire();
+        if (ret)
+                return 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);
+                ep93xx_i2s_release();
+        }
+
+        return ret;
+}
+
+static int __devexit snappercl15_remove(struct platform_device *pdev)
+{
+        struct snd_soc_card *card = platform_get_drvdata(pdev);
+
+        snd_soc_unregister_card(card);
+        ep93xx_i2s_release();
+
+        return 0;
+}
+
+static struct platform_driver snappercl15_driver = {
+        .driver         = {
+                .name   = "snappercl15-audio",
+                .owner  = THIS_MODULE,
+        },
+        .probe          = snappercl15_probe,
+        .remove         = __devexit_p(snappercl15_remove),
+};
+
+module_platform_driver(snappercl15_driver);
+
+MODULE_AUTHOR("Ryan Mallon");
+MODULE_DESCRIPTION("ALSA SoC Snapper CL15");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:snappercl15-audio");