Initial import

1 files changed, 201 insertions, 0 deletions

diff --git a/sound/soc/au1x/db1200.c b/sound/soc/au1x/db1200.c
new file mode 100644
index 000000000..c75995f27
--- /dev/null
+++ b/sound/soc/au1x/db1200.c
@@ -0,0 +1,201 @@
+/*
+ * DB1200/DB1300/DB1550 ASoC audio fabric support code.
+ *
+ * (c) 2008-2011 Manuel Lauss <manuel.lauss@googlemail.com>
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <asm/mach-au1x00/au1000.h>
+#include <asm/mach-au1x00/au1xxx_psc.h>
+#include <asm/mach-au1x00/au1xxx_dbdma.h>
+#include <asm/mach-db1x00/bcsr.h>
+
+#include "../codecs/wm8731.h"
+#include "psc.h"
+
+static struct platform_device_id db1200_pids[] = {
+	{
+		.name		= "db1200-ac97",
+		.driver_data	= 0,
+	}, {
+		.name		= "db1200-i2s",
+		.driver_data	= 1,
+	}, {
+		.name		= "db1300-ac97",
+		.driver_data	= 2,
+	}, {
+		.name		= "db1300-i2s",
+		.driver_data	= 3,
+	}, {
+		.name		= "db1550-ac97",
+		.driver_data	= 4,
+	}, {
+		.name		= "db1550-i2s",
+		.driver_data	= 5,
+	},
+	{},
+};
+
+/*-------------------------  AC97 PART  ---------------------------*/
+
+static struct snd_soc_dai_link db1200_ac97_dai = {
+	.name		= "AC97",
+	.stream_name	= "AC97 HiFi",
+	.codec_dai_name	= "ac97-hifi",
+	.cpu_dai_name	= "au1xpsc_ac97.1",
+	.platform_name	= "au1xpsc-pcm.1",
+	.codec_name	= "ac97-codec.1",
+};
+
+static struct snd_soc_card db1200_ac97_machine = {
+	.name		= "DB1200_AC97",
+	.owner		= THIS_MODULE,
+	.dai_link	= &db1200_ac97_dai,
+	.num_links	= 1,
+};
+
+static struct snd_soc_dai_link db1300_ac97_dai = {
+	.name		= "AC97",
+	.stream_name	= "AC97 HiFi",
+	.codec_dai_name	= "wm9712-hifi",
+	.cpu_dai_name	= "au1xpsc_ac97.1",
+	.platform_name	= "au1xpsc-pcm.1",
+	.codec_name	= "wm9712-codec.1",
+};
+
+static struct snd_soc_card db1300_ac97_machine = {
+	.name		= "DB1300_AC97",
+	.owner		= THIS_MODULE,
+	.dai_link	= &db1300_ac97_dai,
+	.num_links	= 1,
+};
+
+static struct snd_soc_card db1550_ac97_machine = {
+	.name		= "DB1550_AC97",
+	.owner		= THIS_MODULE,
+	.dai_link	= &db1200_ac97_dai,
+	.num_links	= 1,
+};
+
+/*-------------------------  I2S PART  ---------------------------*/
+
+static int db1200_i2s_startup(struct snd_pcm_substream *substream)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_dai *codec_dai = rtd->codec_dai;
+
+	/* WM8731 has its own 12MHz crystal */
+	snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL,
+				12000000, SND_SOC_CLOCK_IN);
+
+	return 0;
+}
+
+static struct snd_soc_ops db1200_i2s_wm8731_ops = {
+	.startup	= db1200_i2s_startup,
+};
+
+static struct snd_soc_dai_link db1200_i2s_dai = {
+	.name		= "WM8731",
+	.stream_name	= "WM8731 PCM",
+	.codec_dai_name	= "wm8731-hifi",
+	.cpu_dai_name	= "au1xpsc_i2s.1",
+	.platform_name	= "au1xpsc-pcm.1",
+	.codec_name	= "wm8731.0-001b",
+	.dai_fmt	= SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF |
+			  SND_SOC_DAIFMT_CBM_CFM,
+	.ops		= &db1200_i2s_wm8731_ops,
+};
+
+static struct snd_soc_card db1200_i2s_machine = {
+	.name		= "DB1200_I2S",
+	.owner		= THIS_MODULE,
+	.dai_link	= &db1200_i2s_dai,
+	.num_links	= 1,
+};
+
+static struct snd_soc_dai_link db1300_i2s_dai = {
+	.name		= "WM8731",
+	.stream_name	= "WM8731 PCM",
+	.codec_dai_name	= "wm8731-hifi",
+	.cpu_dai_name	= "au1xpsc_i2s.2",
+	.platform_name	= "au1xpsc-pcm.2",
+	.codec_name	= "wm8731.0-001b",
+	.ops		= &db1200_i2s_wm8731_ops,
+};
+
+static struct snd_soc_card db1300_i2s_machine = {
+	.name		= "DB1300_I2S",
+	.owner		= THIS_MODULE,
+	.dai_link	= &db1300_i2s_dai,
+	.num_links	= 1,
+};
+
+static struct snd_soc_dai_link db1550_i2s_dai = {
+	.name		= "WM8731",
+	.stream_name	= "WM8731 PCM",
+	.codec_dai_name	= "wm8731-hifi",
+	.cpu_dai_name	= "au1xpsc_i2s.3",
+	.platform_name	= "au1xpsc-pcm.3",
+	.codec_name	= "wm8731.0-001b",
+	.ops		= &db1200_i2s_wm8731_ops,
+};
+
+static struct snd_soc_card db1550_i2s_machine = {
+	.name		= "DB1550_I2S",
+	.owner		= THIS_MODULE,
+	.dai_link	= &db1550_i2s_dai,
+	.num_links	= 1,
+};
+
+/*-------------------------  COMMON PART  ---------------------------*/
+
+static struct snd_soc_card *db1200_cards[] = {
+	&db1200_ac97_machine,
+	&db1200_i2s_machine,
+	&db1300_ac97_machine,
+	&db1300_i2s_machine,
+	&db1550_ac97_machine,
+	&db1550_i2s_machine,
+};
+
+static int db1200_audio_probe(struct platform_device *pdev)
+{
+	const struct platform_device_id *pid = platform_get_device_id(pdev);
+	struct snd_soc_card *card;
+
+	card = db1200_cards[pid->driver_data];
+	card->dev = &pdev->dev;
+	return snd_soc_register_card(card);
+}
+
+static int db1200_audio_remove(struct platform_device *pdev)
+{
+	struct snd_soc_card *card = platform_get_drvdata(pdev);
+	snd_soc_unregister_card(card);
+	return 0;
+}
+
+static struct platform_driver db1200_audio_driver = {
+	.driver	= {
+		.name	= "db1200-ac97",
+		.pm	= &snd_soc_pm_ops,
+	},
+	.id_table	= db1200_pids,
+	.probe		= db1200_audio_probe,
+	.remove		= db1200_audio_remove,
+};
+
+module_platform_driver(db1200_audio_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("DB1200/DB1300/DB1550 ASoC audio support");
+MODULE_AUTHOR("Manuel Lauss");