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authorCliff Cai <cliff.cai@analog.com>2008-09-05 14:21:40 +0400
committerJaroslav Kysela <perex@perex.cz>2008-09-09 11:11:23 +0400
commitc4cf8c79c14b56e8025680b95ac7dc2583654212 (patch)
treec927a8f74febc906bff5ab7d0fe3826636a49cfd /sound
parent912c2ac94e2698b8972c741a71ff53d4ec410801 (diff)
downloadlinux-c4cf8c79c14b56e8025680b95ac7dc2583654212.tar.xz
sound: ASoC: Blackfin: board driver for AD1980/1 audio codec
Signed-off-by: Cliff Cai <cliff.cai@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/blackfin/bf5xx-ad1980.c113
1 files changed, 113 insertions, 0 deletions
diff --git a/sound/soc/blackfin/bf5xx-ad1980.c b/sound/soc/blackfin/bf5xx-ad1980.c
new file mode 100644
index 000000000000..124425d22320
--- /dev/null
+++ b/sound/soc/blackfin/bf5xx-ad1980.c
@@ -0,0 +1,113 @@
+/*
+ * File: sound/soc/blackfin/bf5xx-ad1980.c
+ * Author: Cliff Cai <Cliff.Cai@analog.com>
+ *
+ * Created: Tue June 06 2008
+ * Description: Board driver for AD1980/1 audio codec
+ *
+ * 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 <asm/dma.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+
+#include <linux/gpio.h>
+#include <asm/portmux.h>
+
+#include "../codecs/ad1980.h"
+#include "bf5xx-sport.h"
+#include "bf5xx-ac97-pcm.h"
+#include "bf5xx-ac97.h"
+
+static struct snd_soc_machine bf5xx_board;
+
+static int bf5xx_board_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
+
+ pr_debug("%s enter\n", __func__);
+ cpu_dai->private_data = sport_handle;
+ return 0;
+}
+
+static struct snd_soc_ops bf5xx_board_ops = {
+ .startup = bf5xx_board_startup,
+};
+
+static struct snd_soc_dai_link bf5xx_board_dai = {
+ .name = "AC97",
+ .stream_name = "AC97 HiFi",
+ .cpu_dai = &bfin_ac97_dai,
+ .codec_dai = &ad1980_dai,
+ .ops = &bf5xx_board_ops,
+};
+
+static struct snd_soc_machine bf5xx_board = {
+ .name = "bf5xx-board",
+ .dai_link = &bf5xx_board_dai,
+ .num_links = 1,
+};
+
+static struct snd_soc_device bf5xx_board_snd_devdata = {
+ .machine = &bf5xx_board,
+ .platform = &bf5xx_ac97_soc_platform,
+ .codec_dev = &soc_codec_dev_ad1980,
+};
+
+static struct platform_device *bf5xx_board_snd_device;
+
+static int __init bf5xx_board_init(void)
+{
+ int ret;
+
+ bf5xx_board_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!bf5xx_board_snd_device)
+ return -ENOMEM;
+
+ platform_set_drvdata(bf5xx_board_snd_device, &bf5xx_board_snd_devdata);
+ bf5xx_board_snd_devdata.dev = &bf5xx_board_snd_device->dev;
+ ret = platform_device_add(bf5xx_board_snd_device);
+
+ if (ret)
+ platform_device_put(bf5xx_board_snd_device);
+
+ return ret;
+}
+
+static void __exit bf5xx_board_exit(void)
+{
+ platform_device_unregister(bf5xx_board_snd_device);
+}
+
+module_init(bf5xx_board_init);
+module_exit(bf5xx_board_exit);
+
+/* Module information */
+MODULE_AUTHOR("Cliff Cai");
+MODULE_DESCRIPTION("ALSA SoC AD1980/1 BF5xx board");
+MODULE_LICENSE("GPL");