1 files changed, 157 insertions, 0 deletions
diff --git a/sound/soc/sprd/dai/vaudio/vaudio.c b/sound/soc/sprd/dai/vaudio/vaudio.c
new file mode 100644
index 00000000..5f42cc1b
--- /dev/null
+++ b/sound/soc/sprd/dai/vaudio/vaudio.c
@@ -0,0 +1,157 @@
+/*
+ * sound/soc/sprd/dai/vaudio/vaudio.c
+ *
+ * SpreadTrum Vaudio for the dsp stream.
+ *
+ * Copyright (C) 2012 SpreadTrum Ltd.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ */
+#include "sprd-asoc-debug.h"
+#define pr_fmt(fmt) pr_sprd_fmt(" DSP ") fmt
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/sysfs.h>
+#include <linux/stat.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/of.h>
+
+#include <sound/core.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/pcm_params.h>
+#include <sound/tlv.h>
+
+#include "sprd-asoc-common.h"
+#include "vaudio.h"
+
+static int sprd_vaudio_startup(struct snd_pcm_substream *substream,
+			       struct snd_soc_dai *dai)
+{
+	struct snd_soc_card *card = dai->card;
+	int i;
+
+	sp_asoc_pr_dbg("%s\n", __func__);
+
+	kfree(snd_soc_dai_get_dma_data(dai, substream));
+	snd_soc_dai_set_dma_data(dai, substream, NULL);
+
+	for (i = 0; i < card->num_rtd; i++) {
+		card->rtd[i].dai_link->ignore_suspend = 1;
+	}
+
+	return 0;
+}
+
+static void sprd_vaudio_shutdown(struct snd_pcm_substream *substream,
+				 struct snd_soc_dai *dai)
+{
+	struct snd_soc_card *card = dai->card;
+	int i;
+
+	sp_asoc_pr_dbg("%s\n", __func__);
+
+	for (i = 0; i < card->num_rtd; i++) {
+		card->rtd[i].dai_link->ignore_suspend = 0;
+	}
+}
+
+static struct snd_soc_dai_ops sprd_vaudio_dai_ops = {
+	.startup = sprd_vaudio_startup,
+	.shutdown = sprd_vaudio_shutdown,
+};
+
+struct snd_soc_dai_driver sprd_vaudio_dai[] = {
+	{
+	 .id = VAUDIO_MAGIC_ID,
+	 .name = "vaudio",
+	 .playback = {
+		      .channels_min = 1,
+		      .channels_max = 2,
+		      .rates = SNDRV_PCM_RATE_CONTINUOUS,
+		      .formats = SNDRV_PCM_FMTBIT_S16_LE,},
+	 .capture = {
+		     .channels_min = 1,
+		     .channels_max = 2,
+		     .rates = SNDRV_PCM_RATE_CONTINUOUS,
+		     .formats = SNDRV_PCM_FMTBIT_S16_LE,},
+	 .ops = &sprd_vaudio_dai_ops,
+	 },
+	{
+	 .id = VAUDIO_MAGIC_ID + 1,
+	 .name = "vaudio-ad23",
+	 .capture = {
+		     .channels_min = 1,
+		     .channels_max = 2,	/*ad23 */
+		     .rates = SNDRV_PCM_RATE_CONTINUOUS,
+		     .formats = SNDRV_PCM_FMTBIT_S16_LE,
+		     },
+	 .ops = &sprd_vaudio_dai_ops,
+	 },
+};
+
+static const struct snd_soc_component_driver sprd_vaudio_component = {
+	.name = "vaudio",
+};
+
+static int sprd_vaudio_drv_probe(struct platform_device *pdev)
+{
+	int ret;
+
+	sp_asoc_pr_dbg("%s\n", __func__);
+
+	ret =
+	    snd_soc_register_component(&pdev->dev, &sprd_vaudio_component,
+				       sprd_vaudio_dai,
+				       ARRAY_SIZE(sprd_vaudio_dai));
+
+	sp_asoc_pr_dbg("return %i\n", ret);
+
+	return ret;
+}
+
+static int sprd_vaudio_drv_remove(struct platform_device *pdev)
+{
+	snd_soc_unregister_component(&pdev->dev);
+	return 0;
+}
+
+#ifdef CONFIG_OF
+static const struct of_device_id vaudio_of_match[] = {
+	{.compatible = "sprd,vaudio",},
+	{},
+};
+
+MODULE_DEVICE_TABLE(of, vaudio_of_match);
+#endif
+
+static struct platform_driver sprd_vaudio_driver = {
+	.driver = {
+		   .name = "vaudio",
+		   .owner = THIS_MODULE,
+		   .of_match_table = of_match_ptr(vaudio_of_match),
+		   },
+
+	.probe = sprd_vaudio_drv_probe,
+	.remove = sprd_vaudio_drv_remove,
+};
+
+module_platform_driver(sprd_vaudio_driver);
+
+MODULE_DESCRIPTION("SPRD ASoC Vaudio CUP-DAI driver for the DSP");
+MODULE_AUTHOR("Ken Kuang <ken.kuang@spreadtrum.com>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("cpu-dai:sprd-vaudio");