Initial import

1 files changed, 126 insertions, 0 deletions

diff --git a/sound/soc/blackfin/bf5xx-ssm2602.c b/sound/soc/blackfin/bf5xx-ssm2602.c
new file mode 100644
index 000000000..9c19ccc93
--- /dev/null
+++ b/sound/soc/blackfin/bf5xx-ssm2602.c
@@ -0,0 +1,126 @@
+/*
+ * File:         sound/soc/blackfin/bf5xx-ssm2602.c
+ * Author:       Cliff Cai <Cliff.Cai@analog.com>
+ *
+ * Created:      Tue June 06 2008
+ * Description:  board driver for SSM2602 sound chip
+ *
+ * Modified:
+ *               Copyright 2008 Analog Devices Inc.
+ *
+ * Bugs:         Enter bugs at http://blackfin.uclinux.org/
+ *
+ * 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, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/device.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/pcm_params.h>
+
+#include <asm/dma.h>
+#include <asm/portmux.h>
+#include <linux/gpio.h>
+#include "../codecs/ssm2602.h"
+#include "bf5xx-sport.h"
+
+static struct snd_soc_card bf5xx_ssm2602;
+
+static int bf5xx_ssm2602_dai_init(struct snd_soc_pcm_runtime *rtd)
+{
+	/*
+	 * If you are using a crystal source which frequency is not 12MHz
+	 * then modify the below case statement with frequency of the crystal.
+	 *
+	 * If you are using the SPORT to generate clocking then this is
+	 * where to do it.
+	 */
+	return snd_soc_dai_set_sysclk(rtd->codec_dai, SSM2602_SYSCLK, 12000000,
+		SND_SOC_CLOCK_IN);
+}
+
+/* CODEC is master for BCLK and LRC in this configuration. */
+#define BF5XX_SSM2602_DAIFMT (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | \
+				SND_SOC_DAIFMT_CBM_CFM)
+
+static struct snd_soc_dai_link bf5xx_ssm2602_dai[] = {
+	{
+		.name = "ssm2602",
+		.stream_name = "SSM2602",
+		.cpu_dai_name = "bfin-i2s.0",
+		.codec_dai_name = "ssm2602-hifi",
+		.platform_name = "bfin-i2s-pcm-audio",
+		.codec_name = "ssm2602.0-001b",
+		.init = bf5xx_ssm2602_dai_init,
+		.dai_fmt = BF5XX_SSM2602_DAIFMT,
+	},
+	{
+		.name = "ssm2602",
+		.stream_name = "SSM2602",
+		.cpu_dai_name = "bfin-i2s.1",
+		.codec_dai_name = "ssm2602-hifi",
+		.platform_name = "bfin-i2s-pcm-audio",
+		.codec_name = "ssm2602.0-001b",
+		.init = bf5xx_ssm2602_dai_init,
+		.dai_fmt = BF5XX_SSM2602_DAIFMT,
+	},
+};
+
+static struct snd_soc_card bf5xx_ssm2602 = {
+	.name = "bfin-ssm2602",
+	.owner = THIS_MODULE,
+	.dai_link = &bf5xx_ssm2602_dai[CONFIG_SND_BF5XX_SPORT_NUM],
+	.num_links = 1,
+};
+
+static struct platform_device *bf5xx_ssm2602_snd_device;
+
+static int __init bf5xx_ssm2602_init(void)
+{
+	int ret;
+
+	pr_debug("%s enter\n", __func__);
+	bf5xx_ssm2602_snd_device = platform_device_alloc("soc-audio", -1);
+	if (!bf5xx_ssm2602_snd_device)
+		return -ENOMEM;
+
+	platform_set_drvdata(bf5xx_ssm2602_snd_device, &bf5xx_ssm2602);
+	ret = platform_device_add(bf5xx_ssm2602_snd_device);
+
+	if (ret)
+		platform_device_put(bf5xx_ssm2602_snd_device);
+
+	return ret;
+}
+
+static void __exit bf5xx_ssm2602_exit(void)
+{
+	pr_debug("%s enter\n", __func__);
+	platform_device_unregister(bf5xx_ssm2602_snd_device);
+}
+
+module_init(bf5xx_ssm2602_init);
+module_exit(bf5xx_ssm2602_exit);
+
+/* Module information */
+MODULE_AUTHOR("Cliff Cai");
+MODULE_DESCRIPTION("ALSA SoC SSM2602 BF527-EZKIT");
+MODULE_LICENSE("GPL");
+