Initial import

1 files changed, 131 insertions, 0 deletions

diff --git a/sound/soc/blackfin/bf5xx-ad193x.c b/sound/soc/blackfin/bf5xx-ad193x.c
new file mode 100644
index 000000000..603ad1f2b
--- /dev/null
+++ b/sound/soc/blackfin/bf5xx-ad193x.c
@@ -0,0 +1,131 @@
+/*
+ * File:         sound/soc/blackfin/bf5xx-ad193x.c
+ * Author:       Barry Song <Barry.Song@analog.com>
+ *
+ * Created:      Thur June 4 2009
+ * Description:  Board driver for ad193x sound chip
+ *
+ * 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/blackfin.h>
+#include <asm/cacheflush.h>
+#include <asm/irq.h>
+#include <asm/dma.h>
+#include <asm/portmux.h>
+
+#include "../codecs/ad193x.h"
+
+static struct snd_soc_card bf5xx_ad193x;
+
+static int bf5xx_ad193x_link_init(struct snd_soc_pcm_runtime *rtd)
+{
+	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+	struct snd_soc_dai *codec_dai = rtd->codec_dai;
+	int ret;
+
+	/* set the codec system clock for DAC and ADC */
+	ret = snd_soc_dai_set_sysclk(codec_dai, 0, 24576000, SND_SOC_CLOCK_IN);
+	if (ret < 0)
+		return ret;
+
+	/* set codec DAI slots, 8 channels, all channels are enabled */
+	ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xFF, 0xFF, 8, 32);
+	if (ret < 0)
+		return ret;
+
+	ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0xFF, 0xFF, 8, 32);
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
+
+#define BF5XX_AD193X_DAIFMT (SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_IF | \
+				SND_SOC_DAIFMT_CBM_CFM)
+
+static struct snd_soc_dai_link bf5xx_ad193x_dai[] = {
+	{
+		.name = "ad193x",
+		.stream_name = "AD193X",
+		.cpu_dai_name = "bfin-i2s.0",
+		.codec_dai_name ="ad193x-hifi",
+		.platform_name = "bfin-i2s-pcm-audio",
+		.codec_name = "spi0.5",
+		.dai_fmt = BF5XX_AD193X_DAIFMT,
+		.init = bf5xx_ad193x_link_init,
+	},
+	{
+		.name = "ad193x",
+		.stream_name = "AD193X",
+		.cpu_dai_name = "bfin-i2s.1",
+		.codec_dai_name ="ad193x-hifi",
+		.platform_name = "bfin-i2s-pcm-audio",
+		.codec_name = "spi0.5",
+		.dai_fmt = BF5XX_AD193X_DAIFMT,
+		.init = bf5xx_ad193x_link_init,
+	},
+};
+
+static struct snd_soc_card bf5xx_ad193x = {
+	.name = "bfin-ad193x",
+	.owner = THIS_MODULE,
+	.dai_link = &bf5xx_ad193x_dai[CONFIG_SND_BF5XX_SPORT_NUM],
+	.num_links = 1,
+};
+
+static struct platform_device *bfxx_ad193x_snd_device;
+
+static int __init bf5xx_ad193x_init(void)
+{
+	int ret;
+
+	bfxx_ad193x_snd_device = platform_device_alloc("soc-audio", -1);
+	if (!bfxx_ad193x_snd_device)
+		return -ENOMEM;
+
+	platform_set_drvdata(bfxx_ad193x_snd_device, &bf5xx_ad193x);
+	ret = platform_device_add(bfxx_ad193x_snd_device);
+
+	if (ret)
+		platform_device_put(bfxx_ad193x_snd_device);
+
+	return ret;
+}
+
+static void __exit bf5xx_ad193x_exit(void)
+{
+	platform_device_unregister(bfxx_ad193x_snd_device);
+}
+
+module_init(bf5xx_ad193x_init);
+module_exit(bf5xx_ad193x_exit);
+
+/* Module information */
+MODULE_AUTHOR("Barry Song");
+MODULE_DESCRIPTION("ALSA SoC AD193X board driver");
+MODULE_LICENSE("GPL");
+