Merge xburst target.

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19098 3c298f89-4303-0410-b956-a3cf2f4a3e73

10 files changed, 1871 insertions, 0 deletions

diff --git a/target/linux/xburst/files-2.6.32/sound/soc/codecs/jzcodec.c b/target/linux/xburst/files-2.6.32/sound/soc/codecs/jzcodec.c
new file mode 100644
index 0000000000..ce5aaf1877
--- /dev/null
+++ b/target/linux/xburst/files-2.6.32/sound/soc/codecs/jzcodec.c
@@ -0,0 +1,520 @@
+/*
+ * Copyright (C) 2009, Lars-Peter Clausen <lars@metafoo.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ *  You should have received a copy of the  GNU General Public License along
+ *  with this program; if not, write  to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/initval.h>
+#include <sound/soc-dapm.h>
+#include <sound/soc.h>
+
+#define JZ_REG_CODEC_1 0x0
+#define JZ_REG_CODEC_2 0x1
+
+#define JZ_CODEC_1_LINE_ENABLE BIT(29)
+#define JZ_CODEC_1_MIC_ENABLE BIT(28)
+#define JZ_CODEC_1_SW1_ENABLE BIT(27)
+#define JZ_CODEC_1_ADC_ENABLE BIT(26)
+#define JZ_CODEC_1_SW2_ENABLE BIT(25)
+#define JZ_CODEC_1_DAC_ENABLE BIT(24)
+#define JZ_CODEC_1_VREF_DISABLE BIT(20)
+#define JZ_CODEC_1_VREF_AMP_DISABLE BIT(19)
+#define JZ_CODEC_1_VREF_PULL_DOWN BIT(18)
+#define JZ_CODEC_1_VREF_LOW_CURRENT BIT(17)
+#define JZ_CODEC_1_VREF_HIGH_CURRENT BIT(16)
+#define JZ_CODEC_1_HEADPHONE_DISABLE BIT(14)
+#define JZ_CODEC_1_HEADPHONE_AMP_CHANGE_ANY BIT(13)
+#define JZ_CODEC_1_HEADPHONE_CHANGE BIT(12)
+#define JZ_CODEC_1_HEADPHONE_PULL_DOWN_M BIT(11)
+#define JZ_CODEC_1_HEADPHONE_PULL_DOWN_R BIT(10)
+#define JZ_CODEC_1_HEADPHONE_POWER_DOWN_M BIT(9)
+#define JZ_CODEC_1_HEADPHONE_POWER_DOWN BIT(8)
+#define JZ_CODEC_1_SUSPEND BIT(1)
+#define JZ_CODEC_1_RESET BIT(0)
+
+#define JZ_CODEC_1_LINE_ENABLE_OFFSET 29
+#define JZ_CODEC_1_MIC_ENABLE_OFFSET 28
+#define JZ_CODEC_1_SW1_ENABLE_OFFSET 27
+#define JZ_CODEC_1_ADC_ENABLE_OFFSET 26
+#define JZ_CODEC_1_SW2_ENABLE_OFFSET 25
+#define JZ_CODEC_1_DAC_ENABLE_OFFSET 24
+#define JZ_CODEC_1_HEADPHONE_DISABLE_OFFSET 14
+#define JZ_CODEC_1_HEADPHONE_POWER_DOWN_OFFSET 8
+
+#define JZ_CODEC_2_INPUT_VOLUME_MASK		0x1f0000
+#define JZ_CODEC_2_SAMPLE_RATE_MASK			0x000f00
+#define JZ_CODEC_2_MIC_BOOST_GAIN_MASK		0x000030
+#define JZ_CODEC_2_HEADPHONE_VOLUME_MASK	0x000003
+
+#define JZ_CODEC_2_INPUT_VOLUME_OFFSET		16
+#define JZ_CODEC_2_SAMPLE_RATE_OFFSET		 8
+#define JZ_CODEC_2_MIC_BOOST_GAIN_OFFSET	 4
+#define JZ_CODEC_2_HEADPHONE_VOLUME_OFFSET	 0
+
+struct jz_codec {
+	void __iomem *base;
+	struct resource *mem;
+
+	uint32_t reg_cache[2];
+	struct snd_soc_codec codec;
+};
+
+inline static struct jz_codec *codec_to_jz(struct snd_soc_codec *codec)
+{
+	return container_of(codec, struct jz_codec, codec);
+}
+
+static unsigned int jz_codec_read(struct snd_soc_codec *codec, unsigned int reg)
+{
+	struct jz_codec *jz_codec = codec_to_jz(codec);
+	return readl(jz_codec->base + (reg << 2));
+}
+
+static int jz_codec_write(struct snd_soc_codec *codec, unsigned int reg,
+unsigned int val)
+{
+	struct jz_codec *jz_codec = codec_to_jz(codec);
+	jz_codec->reg_cache[reg] = val;
+
+	writel(val, jz_codec->base + (reg << 2));
+	return 0;
+}
+
+static const struct snd_kcontrol_new jz_codec_controls[] = {
+	SOC_SINGLE("Master Playback Volume", JZ_REG_CODEC_2,
+			JZ_CODEC_2_HEADPHONE_VOLUME_OFFSET, 3, 0),
+	SOC_SINGLE("Capture Volume", JZ_REG_CODEC_2,
+			JZ_CODEC_2_INPUT_VOLUME_OFFSET, 31, 0),
+	SOC_SINGLE("Master Playback Switch", JZ_REG_CODEC_1,
+			JZ_CODEC_1_HEADPHONE_DISABLE_OFFSET, 1, 1),
+	SOC_SINGLE("Mic Capture Volume", JZ_REG_CODEC_2,
+			JZ_CODEC_2_MIC_BOOST_GAIN_OFFSET, 3, 0),
+};
+
+static const struct snd_kcontrol_new jz_codec_output_controls[] = {
+	SOC_DAPM_SINGLE("Bypass Switch", JZ_REG_CODEC_1,
+			JZ_CODEC_1_SW1_ENABLE_OFFSET, 1, 0),
+	SOC_DAPM_SINGLE("DAC Switch", JZ_REG_CODEC_1,
+			JZ_CODEC_1_SW2_ENABLE_OFFSET, 1, 0),
+};
+
+static const struct snd_kcontrol_new jz_codec_input_controls[] =
+{
+	SOC_DAPM_SINGLE("Line Capture Switch", JZ_REG_CODEC_1,
+			JZ_CODEC_1_LINE_ENABLE_OFFSET, 1, 0),
+	SOC_DAPM_SINGLE("Mic Capture Switch", JZ_REG_CODEC_1,
+			JZ_CODEC_1_MIC_ENABLE_OFFSET, 1, 0),
+};
+
+static const struct snd_soc_dapm_widget jz_codec_dapm_widgets[] = {
+	SND_SOC_DAPM_ADC("ADC", "Capture", JZ_REG_CODEC_1,
+			JZ_CODEC_1_ADC_ENABLE_OFFSET, 0),
+	SND_SOC_DAPM_DAC("DAC", "Playback", JZ_REG_CODEC_1,
+			JZ_CODEC_1_DAC_ENABLE_OFFSET, 0),
+
+	SND_SOC_DAPM_MIXER("Output Mixer", JZ_REG_CODEC_1,
+			JZ_CODEC_1_HEADPHONE_POWER_DOWN_OFFSET, 1,
+			jz_codec_output_controls,
+			ARRAY_SIZE(jz_codec_output_controls)),
+
+	SND_SOC_DAPM_MIXER_NAMED_CTL("Input Mixer", SND_SOC_NOPM, 0, 0,
+			jz_codec_input_controls,
+			ARRAY_SIZE(jz_codec_input_controls)),
+	SND_SOC_DAPM_MIXER("Line Input", SND_SOC_NOPM, 0, 0, NULL, 0),
+
+	SND_SOC_DAPM_OUTPUT("LOUT"),
+	SND_SOC_DAPM_OUTPUT("ROUT"),
+
+	SND_SOC_DAPM_INPUT("MIC"),
+	SND_SOC_DAPM_INPUT("LIN"),
+	SND_SOC_DAPM_INPUT("RIN"),
+};
+
+static const struct snd_soc_dapm_route jz_codec_dapm_routes[] = {
+
+	{"Line Input", NULL, "LIN"},
+	{"Line Input", NULL, "RIN"},
+
+	{"Input Mixer", "Line Capture Switch", "Line Input"},
+	{"Input Mixer", "Mic Capture Switch", "MIC"},
+
+	{"ADC", NULL, "Input Mixer"},
+
+	{"Output Mixer", "Bypass Switch", "Input Mixer"},
+	{"Output Mixer", "DAC Switch", "DAC"},
+
+	{"LOUT", NULL, "Output Mixer"},
+	{"ROUT", NULL, "Output Mixer"},
+};
+
+static int jz_codec_hw_params(struct snd_pcm_substream *substream, struct
+snd_pcm_hw_params *params, struct snd_soc_dai *dai)
+{
+	uint32_t val;
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_device *socdev = rtd->socdev;
+	struct snd_soc_codec *codec = socdev->card->codec;
+
+	switch (params_format(params)) {
+	case SNDRV_PCM_FORMAT_S8:
+	case SNDRV_PCM_FORMAT_S16_LE:
+	case SNDRV_PCM_FORMAT_S18_3LE:
+		break;
+	default:
+		return -EINVAL;
+		break;
+	}
+
+	switch (params_rate(params)) {
+	case 8000:
+		val = 0;
+		break;
+	case 11025:
+		val = 1;
+		break;
+	case 12000:
+		val = 2;
+		break;
+	case 16000:
+		val = 3;
+		break;
+	case 22050:
+		val = 4;
+		break;
+	case 24000:
+		val = 5;
+		break;
+	case 32000:
+		val = 6;
+		break;
+	case 44100:
+		val = 7;
+		break;
+	case 48000:
+		val = 8;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	val <<= JZ_CODEC_2_SAMPLE_RATE_OFFSET;
+
+	snd_soc_update_bits(codec, JZ_REG_CODEC_2,
+				JZ_CODEC_2_SAMPLE_RATE_MASK, val);
+
+	return 0;
+}
+
+static int jz_codec_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+{
+	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+	case SND_SOC_DAIFMT_CBM_CFM:
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+	case SND_SOC_DAIFMT_I2S:
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+	case SND_SOC_DAIFMT_NB_NF:
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int jz_codec_set_sysclk(struct snd_soc_dai *codec_dai,
+		int clk_id, unsigned int freq, int dir)
+{
+	return 0;
+}
+
+
+static struct snd_soc_dai_ops jz_codec_dai_ops = {
+	.hw_params = jz_codec_hw_params,
+	.set_fmt = jz_codec_set_fmt,
+/*	.set_clkdiv = jz_codec_set_clkdiv,*/
+	.set_sysclk = jz_codec_set_sysclk,
+};
+
+struct snd_soc_dai jz_codec_dai = {
+	.name = "jz-codec",
+	.playback = {
+		.stream_name = "Playback",
+		.channels_min = 2,
+		.channels_max = 2,
+		.rates = SNDRV_PCM_RATE_8000_44100,
+		.formats = SNDRV_PCM_FORMAT_S18_3LE,
+	},
+	.capture = {
+		.stream_name = "Capture",
+		.channels_min = 2,
+		.channels_max = 2,
+		.rates = SNDRV_PCM_RATE_8000_44100,
+		.formats = SNDRV_PCM_FORMAT_S16_LE,
+	},
+	.ops = &jz_codec_dai_ops,
+	.symmetric_rates = 1,
+};
+EXPORT_SYMBOL_GPL(jz_codec_dai);
+
+static int jz_codec_set_bias_level(struct snd_soc_codec *codec,
+				enum snd_soc_bias_level level)
+{
+
+	if (codec->bias_level == SND_SOC_BIAS_OFF && level != SND_SOC_BIAS_OFF) {
+		snd_soc_update_bits(codec, JZ_REG_CODEC_1,
+				JZ_CODEC_1_RESET, JZ_CODEC_1_RESET);
+		udelay(2);
+
+		snd_soc_update_bits(codec, JZ_REG_CODEC_1,
+					JZ_CODEC_1_SUSPEND | JZ_CODEC_1_RESET, 0);
+	}
+	switch (level) {
+	case SND_SOC_BIAS_ON:
+		snd_soc_update_bits(codec, JZ_REG_CODEC_1,
+					JZ_CODEC_1_VREF_DISABLE | JZ_CODEC_1_VREF_AMP_DISABLE |
+					JZ_CODEC_1_HEADPHONE_POWER_DOWN_M |
+					JZ_CODEC_1_VREF_LOW_CURRENT | JZ_CODEC_1_VREF_HIGH_CURRENT,
+				0);
+		break;
+	case SND_SOC_BIAS_PREPARE:
+		snd_soc_update_bits(codec, JZ_REG_CODEC_1,
+					JZ_CODEC_1_VREF_LOW_CURRENT | JZ_CODEC_1_VREF_HIGH_CURRENT,
+					JZ_CODEC_1_VREF_LOW_CURRENT | JZ_CODEC_1_VREF_HIGH_CURRENT);
+		break;
+	case SND_SOC_BIAS_STANDBY:
+		snd_soc_update_bits(codec, JZ_REG_CODEC_1,
+					JZ_CODEC_1_VREF_DISABLE | JZ_CODEC_1_VREF_AMP_DISABLE,
+					JZ_CODEC_1_VREF_DISABLE | JZ_CODEC_1_VREF_AMP_DISABLE);
+		break;
+	case SND_SOC_BIAS_OFF:
+		snd_soc_update_bits(codec, JZ_REG_CODEC_1,
+					JZ_CODEC_1_SUSPEND, JZ_CODEC_1_SUSPEND);
+		break;
+	}
+	codec->bias_level = level;
+
+	return 0;
+}
+
+
+static struct snd_soc_codec *jz_codec_codec;
+
+static int jz_codec_dev_probe(struct platform_device *pdev)
+{
+	int ret;
+	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+	struct snd_soc_codec *codec = jz_codec_codec;
+
+	BUG_ON(!codec);
+
+	socdev->card->codec = codec;
+
+	ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to create pcms: %d\n", ret);
+		goto err;
+	}
+	snd_soc_add_controls(codec, jz_codec_controls,
+	ARRAY_SIZE(jz_codec_controls));
+
+	snd_soc_dapm_new_controls(codec, jz_codec_dapm_widgets,
+	ARRAY_SIZE(jz_codec_dapm_widgets));
+
+	snd_soc_dapm_add_routes(codec, jz_codec_dapm_routes,
+	ARRAY_SIZE(jz_codec_dapm_routes));
+
+	snd_soc_dapm_new_widgets(codec);
+
+	ret = snd_soc_init_card(socdev);
+
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to register card\n");
+		goto err;
+	}
+
+	return 0;
+
+err:
+	snd_soc_free_pcms(socdev);
+	snd_soc_dapm_free(socdev);
+
+	return ret;
+}
+
+static int jz_codec_dev_remove(struct platform_device *pdev)
+{
+	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+	snd_soc_free_pcms(socdev);
+	snd_soc_dapm_free(socdev);
+
+	return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_jzcodec = {
+	.probe = jz_codec_dev_probe,
+	.remove = jz_codec_dev_remove,
+};
+EXPORT_SYMBOL_GPL(soc_codec_dev_jzcodec);
+
+static int __devinit jz_codec_probe(struct platform_device *pdev)
+{
+	int ret;
+	struct jz_codec *jz_codec;
+	struct snd_soc_codec *codec;
+
+	jz_codec = kzalloc(sizeof(*jz_codec), GFP_KERNEL);
+
+	if (!jz_codec)
+		return -ENOMEM;
+
+	jz_codec->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+
+	if (!jz_codec->mem) {
+		dev_err(&pdev->dev, "Failed to get mmio memory resource\n");
+		ret = -ENOENT;
+		goto err_free_jz_codec;
+	}
+
+	jz_codec->mem = request_mem_region(jz_codec->mem->start,
+				resource_size(jz_codec->mem), pdev->name);
+
+	if (!jz_codec->mem) {
+		dev_err(&pdev->dev, "Failed to request mmio memory region\n");
+		ret = -EBUSY;
+		goto err_free_jz_codec;
+	}
+
+	jz_codec->base = ioremap(jz_codec->mem->start, resource_size(jz_codec->mem));
+
+	if (!jz_codec->base) {
+		dev_err(&pdev->dev, "Failed to ioremap mmio memory\n");
+		ret = -EBUSY;
+		goto err_release_mem_region;
+	}
+
+	jz_codec_dai.dev = &pdev->dev;
+
+	codec = &jz_codec->codec;
+
+	codec->dev		= &pdev->dev;
+	codec->name		= "jz-codec";
+	codec->owner		= THIS_MODULE;
+
+	codec->read		= jz_codec_read;
+	codec->write		= jz_codec_write;
+	codec->set_bias_level	= jz_codec_set_bias_level;
+	codec->bias_level	= SND_SOC_BIAS_OFF;
+
+	codec->dai		= &jz_codec_dai;
+	codec->num_dai		= 1;
+
+	codec->reg_cache	= jz_codec->reg_cache;
+	codec->reg_cache_size	= 2;
+
+	codec->private_data	= jz_codec;
+
+	mutex_init(&codec->mutex);
+	INIT_LIST_HEAD(&codec->dapm_widgets);
+	INIT_LIST_HEAD(&codec->dapm_paths);
+
+	jz_codec_codec = codec;
+
+	snd_soc_update_bits(codec, JZ_REG_CODEC_1,
+				JZ_CODEC_1_SW2_ENABLE, JZ_CODEC_1_SW2_ENABLE);
+
+
+	platform_set_drvdata(pdev, jz_codec);
+	ret = snd_soc_register_codec(codec);
+
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to register codec\n");
+		goto err_iounmap;
+	}
+
+	ret = snd_soc_register_dai(&jz_codec_dai);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to register codec dai\n");
+		goto err_unregister_codec;
+	}
+
+	jz_codec_set_bias_level (codec, SND_SOC_BIAS_STANDBY);
+
+	return 0;
+err_unregister_codec:
+	snd_soc_unregister_codec(codec);
+err_iounmap:
+	iounmap(jz_codec->base);
+err_release_mem_region:
+	release_mem_region(jz_codec->mem->start, resource_size(jz_codec->mem));
+err_free_jz_codec:
+	kfree(jz_codec);
+
+	return ret;
+}
+
+static int __devexit jz_codec_remove(struct platform_device *pdev)
+{
+	struct jz_codec *jz_codec = platform_get_drvdata(pdev);
+
+	snd_soc_unregister_dai(&jz_codec_dai);
+	snd_soc_unregister_codec(&jz_codec->codec);
+
+	iounmap(jz_codec->base);
+	release_mem_region(jz_codec->mem->start, resource_size(jz_codec->mem));
+
+	platform_set_drvdata(pdev, NULL);
+	kfree(jz_codec);
+
+	return 0;
+}
+
+static struct platform_driver jz_codec_driver = {
+	.probe = jz_codec_probe,
+	.remove = __devexit_p(jz_codec_remove),
+	.driver = {
+		.name = "jz4740-codec",
+		.owner = THIS_MODULE,
+	},
+};
+
+static int __init jz_codec_init(void)
+{
+	return platform_driver_register(&jz_codec_driver);
+}
+module_init(jz_codec_init);
+
+static void __exit jz_codec_exit(void)
+{
+	platform_driver_unregister(&jz_codec_driver);
+}
+module_exit(jz_codec_exit);
+
+MODULE_DESCRIPTION("JZ4720/JZ4740 SoC internal codec driver");
+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:jz-codec");
diff --git a/target/linux/xburst/files-2.6.32/sound/soc/codecs/jzcodec.h b/target/linux/xburst/files-2.6.32/sound/soc/codecs/jzcodec.h
new file mode 100644
index 0000000000..05c57b8f05
--- /dev/null
+++ b/target/linux/xburst/files-2.6.32/sound/soc/codecs/jzcodec.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2009, Lars-Peter Clausen <lars@metafoo.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ *  You should have received a copy of the  GNU General Public License along
+ *  with this program; if not, write  to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef _ICODEC_H
+#define _ICODEC_H
+
+#define JZCODEC_SYSCLK	0
+
+extern struct snd_soc_dai jz_codec_dai;
+extern struct snd_soc_codec_device soc_codec_dev_jzcodec;
+
+#endif
diff --git a/target/linux/xburst/files-2.6.32/sound/soc/jz4740/Kconfig b/target/linux/xburst/files-2.6.32/sound/soc/jz4740/Kconfig
new file mode 100644
index 0000000000..b19fd8fd86
--- /dev/null
+++ b/target/linux/xburst/files-2.6.32/sound/soc/jz4740/Kconfig
@@ -0,0 +1,29 @@
+config SND_JZ4740_SOC
+	tristate "SoC Audio for Ingenic JZ4740 SoC"
+	depends on SOC_JZ4740 && SND_SOC
+	help
+	  Say Y or M if you want to add support for codecs attached to
+	  the Jz4740 AC97, I2S or SSP interface. You will also need
+	  to select the audio interfaces to support below.
+
+config SND_JZ4740_SOC_QI_LB60
+	tristate "SoC Audio support for Qi Hardware Ben Nanonote"
+	depends on SND_JZ4740_SOC && JZ4740_QI_LB60
+	select SND_JZ4740_SOC_I2S
+    select SND_SOC_JZCODEC
+	help
+	  Say Y if you want to add support for SoC audio of internal codec on Ingenic Jz4740 QI_LB60 board.
+
+config SND_JZ4740_SOC_N526
+	tristate "SoC Audio support for Hanvon N526 eBook reader"
+	depends on SND_JZ4740_SOC && JZ4740_N526
+	select SND_JZ4740_SOC_I2S
+    select SND_SOC_JZCODEC
+	help
+	  Say Y if you want to enable support for SoC audio on the Hanvon N526.
+
+config SND_JZ4740_SOC_I2S
+	depends on SND_JZ4740_SOC
+	tristate "SoC Audio (I2S protocol) for Ingenic jz4740 chip"
+	help
+	  Say Y if you want to use I2S protocol and I2S codec on Ingenic Jz4740 QI_LB60 board.
diff --git a/target/linux/xburst/files-2.6.32/sound/soc/jz4740/Makefile b/target/linux/xburst/files-2.6.32/sound/soc/jz4740/Makefile
new file mode 100644
index 0000000000..0b429cf01b
--- /dev/null
+++ b/target/linux/xburst/files-2.6.32/sound/soc/jz4740/Makefile
@@ -0,0 +1,15 @@
+#
+# Jz4740 Platform Support
+#
+snd-soc-jz4740-objs := jz4740-pcm.o
+snd-soc-jz4740-i2s-objs := jz4740-i2s.o
+
+obj-$(CONFIG_SND_JZ4740_SOC) += snd-soc-jz4740.o
+obj-$(CONFIG_SND_JZ4740_SOC_I2S) += snd-soc-jz4740-i2s.o
+
+# Jz4740 Machine Support
+snd-soc-qi-lb60-objs := qi_lb60.o
+snd-soc-n526-objs := n526.o
+
+obj-$(CONFIG_SND_JZ4740_SOC_QI_LB60) += snd-soc-qi-lb60.o
+obj-$(CONFIG_SND_JZ4740_SOC_N526) += snd-soc-n526.o
diff --git a/target/linux/xburst/files-2.6.32/sound/soc/jz4740/jz4740-i2s.c b/target/linux/xburst/files-2.6.32/sound/soc/jz4740/jz4740-i2s.c
new file mode 100644
index 0000000000..8853a735c9
--- /dev/null
+++ b/target/linux/xburst/files-2.6.32/sound/soc/jz4740/jz4740-i2s.c
@@ -0,0 +1,552 @@
+/*
+ *  Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
+ *
+ *  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.
+ *
+ *  You should have received a copy of the  GNU General Public License along
+ *  with this program; if not, write  to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/dma-mapping.h>
+#include <linux/platform_device.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+
+#include "jz4740-i2s.h"
+#include "jz4740-pcm.h"
+
+#define JZ_REG_AIC_CONF		0x00
+#define JZ_REG_AIC_CTRL		0x04
+#define JZ_REG_AIC_I2S_FMT	0x10
+#define JZ_REG_AIC_FIFO_STATUS	0x14
+#define JZ_REG_AIC_I2S_STATUS	0x1c
+#define JZ_REG_AIC_CLK_DIV	0x30
+#define JZ_REG_AIC_FIFO		0x34
+
+#define JZ_AIC_CONF_FIFO_RX_THRESHOLD_MASK (0xf << 12)
+#define JZ_AIC_CONF_FIFO_TX_THRESHOLD_MASK (0xf <<  8)
+#define JZ_AIC_CONF_OVERFLOW_PLAY_LAST BIT(6)
+#define JZ_AIC_CONF_INTERNAL_CODEC BIT(5)
+#define JZ_AIC_CONF_I2S BIT(4)
+#define JZ_AIC_CONF_RESET BIT(3)
+#define JZ_AIC_CONF_BIT_CLK_MASTER BIT(2)
+#define JZ_AIC_CONF_SYNC_CLK_MASTER BIT(1)
+#define JZ_AIC_CONF_ENABLE BIT(0)
+
+#define JZ_AIC_CONF_FIFO_RX_THRESHOLD_OFFSET 12
+#define JZ_AIC_CONF_FIFO_TX_THRESHOLD_OFFSET 8
+
+#define JZ_AIC_CTRL_OUTPUT_SAMPLE_SIZE_MASK (0x7 << 19)
+#define JZ_AIC_CTRL_INPUT_SAMPLE_SIZE_MASK (0x7 << 16)
+#define JZ_AIC_CTRL_ENABLE_RX_DMA BIT(15)
+#define JZ_AIC_CTRL_ENABLE_TX_DMA BIT(14)
+#define JZ_AIC_CTRL_MONO_TO_STEREO BIT(11)
+#define JZ_AIC_CTRL_SWITCH_ENDIANNESS BIT(10)
+#define JZ_AIC_CTRL_SIGNED_TO_UNSIGNED BIT(9)
+#define JZ_AIC_CTRL_FLUSH		BIT(8)
+#define JZ_AIC_CTRL_ENABLE_ROR_INT BIT(6)
+#define JZ_AIC_CTRL_ENABLE_TUR_INT BIT(5)
+#define JZ_AIC_CTRL_ENABLE_RFS_INT BIT(4)
+#define JZ_AIC_CTRL_ENABLE_TFS_INT BIT(3)
+#define JZ_AIC_CTRL_ENABLE_LOOPBACK BIT(2)
+#define JZ_AIC_CTRL_ENABLE_PLAYBACK BIT(1)
+#define JZ_AIC_CTRL_ENABLE_CAPTURE BIT(0)
+
+#define JZ_AIC_CTRL_OUTPUT_SAMPLE_SIZE_OFFSET 19
+#define JZ_AIC_CTRL_INPUT_SAMPLE_SIZE_OFFSET  16
+
+#define JZ_AIC_I2S_FMT_DISABLE_BIT_CLK BIT(12)
+#define JZ_AIC_I2S_FMT_ENABLE_SYS_CLK BIT(4)
+#define JZ_AIC_I2S_FMT_MSB BIT(0)
+
+#define JZ_AIC_I2S_STATUS_BUSY BIT(2)
+
+#define JZ_AIC_CLK_DIV_MASK 0xf
+
+struct jz4740_i2s {
+	struct resource *mem;
+	void __iomem *base;
+	dma_addr_t phys_base;
+
+	struct clk *clk;
+
+	struct jz4740_pcm_config pcm_config;
+};
+
+static struct jz4740_dma_config jz4740_i2s_dma_playback_config = {
+	.src_width = JZ4740_DMA_WIDTH_16BIT,
+	.dst_width = JZ4740_DMA_WIDTH_32BIT,
+	.transfer_size = JZ4740_DMA_TRANSFER_SIZE_16BYTE,
+	.request_type = JZ4740_DMA_TYPE_AIC_TRANSMIT,
+	.flags = JZ4740_DMA_SRC_AUTOINC,
+	.mode = JZ4740_DMA_MODE_SINGLE,
+};
+
+static struct jz4740_dma_config jz4740_i2s_dma_capture_config = {
+	.src_width = JZ4740_DMA_WIDTH_32BIT,
+	.dst_width = JZ4740_DMA_WIDTH_16BIT,
+	.transfer_size = JZ4740_DMA_TRANSFER_SIZE_16BYTE,
+	.request_type = JZ4740_DMA_TYPE_AIC_RECEIVE,
+	.flags = JZ4740_DMA_DST_AUTOINC,
+	.mode = JZ4740_DMA_MODE_SINGLE,
+};
+
+
+static inline uint32_t jz4740_i2s_read(const struct jz4740_i2s *i2s, unsigned int reg)
+{
+	return readl(i2s->base + reg);
+}
+
+static inline void jz4740_i2s_write(const struct jz4740_i2s *i2s, unsigned
+int reg, uint32_t value)
+{
+	writel(value, i2s->base + reg);
+}
+
+static inline struct jz4740_i2s *jz4740_dai_to_i2s(struct snd_soc_dai *dai)
+{
+	return dai->private_data;
+}
+
+static int jz4740_i2s_startup(struct snd_pcm_substream *substream, struct
+                              snd_soc_dai *dai)
+{
+	struct jz4740_i2s *i2s = jz4740_dai_to_i2s(dai);
+	uint32_t conf, ctrl;
+
+	if (dai->active)
+		return 0;
+
+	conf = jz4740_i2s_read(i2s, JZ_REG_AIC_CONF);
+	ctrl = jz4740_i2s_read(i2s, JZ_REG_AIC_CTRL);
+
+	conf |= JZ_AIC_CONF_ENABLE;
+	ctrl |= JZ_AIC_CTRL_FLUSH;
+
+
+	jz4740_i2s_write(i2s, JZ_REG_AIC_CTRL, ctrl);
+	clk_enable(i2s->clk);
+	jz4740_i2s_write(i2s, JZ_REG_AIC_CONF, conf);
+
+	return 0;
+}
+
+static void jz4740_i2s_shutdown(struct snd_pcm_substream *substream, struct
+                              snd_soc_dai *dai)
+{
+	struct jz4740_i2s *i2s = jz4740_dai_to_i2s(dai);
+	uint32_t conf;
+
+	if (dai->active)
+		return;
+
+	conf = jz4740_i2s_read(i2s, JZ_REG_AIC_CONF);
+	conf &= ~JZ_AIC_CONF_ENABLE;
+	jz4740_i2s_write(i2s, JZ_REG_AIC_CONF, conf);
+
+	clk_disable(i2s->clk);
+}
+
+
+static int jz4740_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
+			       struct snd_soc_dai *dai)
+{
+	struct jz4740_i2s *i2s = jz4740_dai_to_i2s(dai);
+	bool playback = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
+
+	uint32_t ctrl;
+	uint32_t mask;
+
+	if (playback) {
+	    mask = JZ_AIC_CTRL_ENABLE_PLAYBACK |
+	           JZ_AIC_CTRL_ENABLE_TX_DMA;
+	} else {
+	    mask = JZ_AIC_CTRL_ENABLE_CAPTURE |
+	           JZ_AIC_CTRL_ENABLE_RX_DMA;
+	}
+
+	ctrl = jz4740_i2s_read(i2s, JZ_REG_AIC_CTRL);
+
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+	case SNDRV_PCM_TRIGGER_RESUME:
+	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+	    ctrl |= mask;
+	    break;
+	case SNDRV_PCM_TRIGGER_STOP:
+	case SNDRV_PCM_TRIGGER_SUSPEND:
+	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+	    ctrl &= ~mask;
+	    break;
+	default:
+	    return -EINVAL;
+	}
+
+	jz4740_i2s_write(i2s, JZ_REG_AIC_CTRL,ctrl);
+
+	return 0;
+}
+
+
+static int jz4740_i2s_set_fmt(struct snd_soc_dai *dai,
+			       unsigned int fmt)
+{
+	struct jz4740_i2s *i2s = jz4740_dai_to_i2s(dai);
+
+	uint32_t format = 0;
+	uint32_t conf;
+
+	conf = jz4740_i2s_read(i2s, JZ_REG_AIC_CONF);
+
+	conf &= ~(JZ_AIC_CONF_BIT_CLK_MASTER | JZ_AIC_CONF_SYNC_CLK_MASTER);
+
+	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+	case SND_SOC_DAIFMT_CBS_CFS:
+	    conf |= JZ_AIC_CONF_BIT_CLK_MASTER |
+	            JZ_AIC_CONF_SYNC_CLK_MASTER;
+	    format |= JZ_AIC_I2S_FMT_ENABLE_SYS_CLK;
+	    break;
+	case SND_SOC_DAIFMT_CBM_CFS:
+	    conf |= JZ_AIC_CONF_SYNC_CLK_MASTER;
+	    break;
+	case SND_SOC_DAIFMT_CBS_CFM:
+	    conf |= JZ_AIC_CONF_BIT_CLK_MASTER;
+	    break;
+	case SND_SOC_DAIFMT_CBM_CFM:
+	    break;
+	default:
+	    return -EINVAL;
+	}
+
+	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+	case SND_SOC_DAIFMT_MSB:
+	    format |= JZ_AIC_I2S_FMT_MSB;
+	    break;
+	case SND_SOC_DAIFMT_I2S:
+	    break;
+	default:
+	    return -EINVAL;
+	}
+
+	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+	case SND_SOC_DAIFMT_NB_NF:
+	    break;
+	default:
+	    return -EINVAL;
+	}
+
+	jz4740_i2s_write(i2s, JZ_REG_AIC_CONF, conf);
+	jz4740_i2s_write(i2s, JZ_REG_AIC_I2S_FMT, format);
+
+	return 0;
+}
+
+static int jz4740_i2s_hw_params(struct snd_pcm_substream *substream,
+				 struct snd_pcm_hw_params *params,
+				 struct snd_soc_dai *dai)
+{
+	struct jz4740_i2s *i2s = jz4740_dai_to_i2s(dai);
+	bool playback = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
+	int sample_size;
+	enum jz4740_dma_width dma_width;
+	uint32_t ctrl;
+
+	ctrl = jz4740_i2s_read(i2s, JZ_REG_AIC_CTRL);
+
+	switch (params_format(params)) {
+	case SNDRV_PCM_FORMAT_S8:
+	    sample_size = 0;
+		dma_width = JZ4740_DMA_WIDTH_8BIT;
+	    break;
+	case SNDRV_PCM_FORMAT_S16:
+	    sample_size = 1;
+		dma_width = JZ4740_DMA_WIDTH_16BIT;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	if (playback) {
+		ctrl &= ~JZ_AIC_CTRL_OUTPUT_SAMPLE_SIZE_MASK;
+	    ctrl |= sample_size << JZ_AIC_CTRL_OUTPUT_SAMPLE_SIZE_OFFSET;
+	} else {
+		ctrl &= ~JZ_AIC_CTRL_INPUT_SAMPLE_SIZE_MASK;
+	    ctrl |= sample_size << JZ_AIC_CTRL_INPUT_SAMPLE_SIZE_OFFSET;
+	}
+
+	switch (params_channels(params)) {
+	case 2:
+	    break;
+	case 1:
+	    if (playback) {
+		    ctrl |= JZ_AIC_CTRL_MONO_TO_STEREO;
+		    break;
+	    }
+	default:
+	    return -EINVAL;
+	}
+
+	jz4740_i2s_write(i2s, JZ_REG_AIC_CTRL, ctrl);
+
+	/* This is quite ugly, but apperently it's offical method for passing dma
+	 * config to the pcm module */
+	if (playback) {
+		jz4740_i2s_dma_playback_config.src_width = dma_width;
+		i2s->pcm_config.dma_config = &jz4740_i2s_dma_playback_config;
+	} else {
+		jz4740_i2s_dma_capture_config.dst_width = dma_width;
+		i2s->pcm_config.dma_config = &jz4740_i2s_dma_capture_config;
+	}
+	i2s->pcm_config.fifo_addr = i2s->phys_base + JZ_REG_AIC_FIFO;
+
+	dai->dma_data = &i2s->pcm_config;
+
+	return 0;
+}
+
+static int jz4740_i2s_set_clkdiv(struct snd_soc_dai *dai,
+				  int div_id, int div)
+{
+	struct jz4740_i2s *i2s = jz4740_dai_to_i2s(dai);
+
+	switch (div_id) {
+	case JZ4740_I2S_BIT_CLK:
+		if (div & 1 || div > 16)
+			return -EINVAL;
+		jz4740_i2s_write(i2s, JZ_REG_AIC_CLK_DIV, div - 1);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int jz4740_i2s_set_sysclk(struct snd_soc_dai *dai, int clk_id,
+				  unsigned int freq, int dir)
+{
+	struct jz4740_i2s *i2s = jz4740_dai_to_i2s(dai);
+	int ret = 0;
+	struct clk *parent;
+
+	switch (clk_id) {
+	case JZ4740_I2S_CLKSRC_EXT:
+		parent = clk_get(NULL, "ext");
+		clk_set_parent(i2s->clk, parent);
+		break;
+	case JZ4740_I2S_CLKSRC_PLL:
+		parent = clk_get(NULL, "pll half");
+		clk_set_parent(i2s->clk, parent);
+		ret = clk_set_rate(i2s->clk, freq);
+		break;
+	default:
+		return -EINVAL;
+	}
+	clk_put(parent);
+
+	return ret;
+}
+
+static int jz4740_i2s_suspend(struct snd_soc_dai *dai)
+{
+	struct jz4740_i2s *i2s = jz4740_dai_to_i2s(dai);
+	uint32_t conf;
+
+	if (!dai->active)
+		return 0;
+
+	conf = jz4740_i2s_read(i2s, JZ_REG_AIC_CONF);
+	conf &= ~JZ_AIC_CONF_ENABLE;
+	jz4740_i2s_write(i2s, JZ_REG_AIC_CONF, conf);
+
+	clk_disable(i2s->clk);
+	return 0;
+}
+
+static int jz4740_i2s_resume(struct snd_soc_dai *dai)
+{
+	struct jz4740_i2s *i2s = jz4740_dai_to_i2s(dai);
+	uint32_t conf;
+
+	if (!dai->active)
+		return 0;
+
+	clk_enable(i2s->clk);
+
+	conf = jz4740_i2s_read(i2s, JZ_REG_AIC_CONF);
+	conf |= JZ_AIC_CONF_ENABLE;
+	jz4740_i2s_write(i2s, JZ_REG_AIC_CONF, conf);
+
+	return 0;
+}
+
+
+static int jz4740_i2s_probe(struct platform_device *pdev, struct snd_soc_dai *dai)
+{
+	struct jz4740_i2s *i2s = jz4740_dai_to_i2s(dai);
+	uint32_t conf;
+
+	conf = (7 << JZ_AIC_CONF_FIFO_RX_THRESHOLD_OFFSET) |
+	       (8 << JZ_AIC_CONF_FIFO_TX_THRESHOLD_OFFSET) |
+	       JZ_AIC_CONF_OVERFLOW_PLAY_LAST |
+		   JZ_AIC_CONF_I2S |
+	       JZ_AIC_CONF_INTERNAL_CODEC;
+
+	jz4740_i2s_write(i2s, JZ_REG_AIC_CONF, JZ_AIC_CONF_RESET);
+	jz4740_i2s_write(i2s, JZ_REG_AIC_CONF, conf);
+
+	return 0;
+}
+
+
+static struct snd_soc_dai_ops jz4740_i2s_dai_ops = {
+	.startup = jz4740_i2s_startup,
+	.shutdown = jz4740_i2s_shutdown,
+	.trigger = jz4740_i2s_trigger,
+	.hw_params = jz4740_i2s_hw_params,
+	.set_fmt = jz4740_i2s_set_fmt,
+	.set_clkdiv = jz4740_i2s_set_clkdiv,
+	.set_sysclk = jz4740_i2s_set_sysclk,
+};
+
+#define JZ4740_I2S_FMTS (SNDRV_PCM_FMTBIT_S8 | \
+		SNDRV_PCM_FMTBIT_S16_LE)
+
+struct snd_soc_dai jz4740_i2s_dai = {
+	.name = "jz4740-i2s",
+	.probe = jz4740_i2s_probe,
+	.playback = {
+		.channels_min = 1,
+		.channels_max = 2,
+		.rates = SNDRV_PCM_RATE_8000_44100,
+		.formats = JZ4740_I2S_FMTS,
+	},
+	.capture = {
+		.channels_min = 2,
+		.channels_max = 2,
+		.rates = SNDRV_PCM_RATE_8000_44100,
+		.formats = JZ4740_I2S_FMTS,
+	},
+	.symmetric_rates = 1,
+	.ops = &jz4740_i2s_dai_ops,
+	.suspend = jz4740_i2s_suspend,
+	.resume = jz4740_i2s_resume,
+};
+
+static int __devinit jz4740_i2s_dev_probe(struct platform_device *pdev)
+{
+	struct jz4740_i2s *i2s;
+	int ret;
+
+	i2s = kzalloc(sizeof(*i2s), GFP_KERNEL);
+
+	if (!i2s)
+		return -ENOMEM;
+
+	i2s->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+
+	if (!i2s->mem) {
+		ret = -ENOENT;
+		goto err_free;
+	}
+
+	i2s->mem = request_mem_region(i2s->mem->start, resource_size(i2s->mem),
+				pdev->name);
+
+	if (!i2s->mem) {
+		ret = -EBUSY;
+		goto err_free;
+	}
+
+	i2s->base = ioremap_nocache(i2s->mem->start, resource_size(i2s->mem));
+
+	if (!i2s->base) {
+		ret = -EBUSY;
+		goto err_release_mem_region;
+	}
+
+	i2s->phys_base = i2s->mem->start;
+
+	jz4740_i2s_dai.private_data = i2s;
+
+	ret = snd_soc_register_dai(&jz4740_i2s_dai);
+
+	i2s->clk = clk_get(&pdev->dev, "i2s");
+
+	if (IS_ERR(i2s->clk)) {
+		ret = PTR_ERR(i2s->clk);
+		goto err_iounmap;
+	}
+
+	platform_set_drvdata(pdev, i2s);
+
+	return 0;
+
+err_iounmap:
+	iounmap(i2s->base);
+err_release_mem_region:
+	release_mem_region(i2s->mem->start, resource_size(i2s->mem));
+err_free:
+	kfree(i2s);
+
+	return ret;
+}
+
+static int __devexit jz4740_i2s_dev_remove(struct platform_device *pdev)
+{
+	struct jz4740_i2s *i2s = platform_get_drvdata(pdev);
+
+	snd_soc_unregister_dai(&jz4740_i2s_dai);
+
+	clk_put(i2s->clk);
+
+	iounmap(i2s->base);
+	release_mem_region(i2s->mem->start, resource_size(i2s->mem));
+
+	platform_set_drvdata(pdev, NULL);
+	kfree(i2s);
+
+	return 0;
+}
+
+static struct platform_driver jz4740_i2s_driver = {
+	.probe = jz4740_i2s_dev_probe,
+	.remove = __devexit_p(jz4740_i2s_dev_remove),
+	.driver = {
+		.name = "jz4740-i2s",
+		.owner = THIS_MODULE,
+	},
+};
+
+static int __init jz4740_i2s_init(void)
+{
+	return platform_driver_register(&jz4740_i2s_driver);
+}
+module_init(jz4740_i2s_init);
+
+static void __exit jz4740_i2s_exit(void)
+{
+	platform_driver_unregister(&jz4740_i2s_driver);
+}
+module_exit(jz4740_i2s_exit);
+
+MODULE_AUTHOR("Lars-Peter Clausen, <lars@metafoo.de>");
+MODULE_DESCRIPTION("Ingenic JZ4740 SoC I2S driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:jz4740-i2s");
diff --git a/target/linux/xburst/files-2.6.32/sound/soc/jz4740/jz4740-i2s.h b/target/linux/xburst/files-2.6.32/sound/soc/jz4740/jz4740-i2s.h
new file mode 100644
index 0000000000..da22ed88a5
--- /dev/null
+++ b/target/linux/xburst/files-2.6.32/sound/soc/jz4740/jz4740-i2s.h
@@ -0,0 +1,18 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _JZ4740_I2S_H
+#define _JZ4740_I2S_H
+
+/* I2S clock source */
+#define JZ4740_I2S_CLKSRC_EXT 0
+#define JZ4740_I2S_CLKSRC_PLL 1
+
+#define JZ4740_I2S_BIT_CLK		0
+
+extern struct snd_soc_dai jz4740_i2s_dai;
+
+#endif
diff --git a/target/linux/xburst/files-2.6.32/sound/soc/jz4740/jz4740-pcm.c b/target/linux/xburst/files-2.6.32/sound/soc/jz4740/jz4740-pcm.c
new file mode 100644
index 0000000000..c71c5b48b5
--- /dev/null
+++ b/target/linux/xburst/files-2.6.32/sound/soc/jz4740/jz4740-pcm.c
@@ -0,0 +1,342 @@
+/*
+ *  Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
+ *
+ *  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.
+ *
+ *  You should have received a copy of the  GNU General Public License along
+ *  with this program; if not, write  to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/dma-mapping.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+
+#include <asm/mach-jz4740/dma.h>
+#include "jz4740-pcm.h"
+
+struct jz4740_runtime_data {
+	unsigned int dma_period;
+	dma_addr_t dma_start;
+	dma_addr_t dma_pos;
+	dma_addr_t dma_end;
+
+	struct jz4740_dma_chan *dma;
+
+	dma_addr_t fifo_addr;
+};
+
+/* identify hardware playback capabilities */
+static const struct snd_pcm_hardware jz4740_pcm_hardware = {
+	.info = SNDRV_PCM_INFO_MMAP |
+	        SNDRV_PCM_INFO_MMAP_VALID |
+	        SNDRV_PCM_INFO_INTERLEAVED |
+	        SNDRV_PCM_INFO_BLOCK_TRANSFER,
+	.formats = SNDRV_PCM_FMTBIT_S16_LE |
+	           SNDRV_PCM_FMTBIT_S8,
+	.rates                  = SNDRV_PCM_RATE_8000_48000,
+	.channels_min		= 1,
+	.channels_max		= 2,
+	.period_bytes_min	= 32,
+	.period_bytes_max	= 2 * PAGE_SIZE,
+	.periods_min		= 2,
+	.periods_max		= 128,
+	.buffer_bytes_max	= 128 * 2 * PAGE_SIZE,
+	.fifo_size			= 32,
+};
+
+static void jz4740_pcm_start_transfer(struct jz4740_runtime_data *prtd, int stream)
+{
+	unsigned int count;
+
+	if (prtd->dma_pos + prtd->dma_period > prtd->dma_end)
+		count = prtd->dma_end - prtd->dma_pos;
+	else
+		count = prtd->dma_period;
+
+	jz4740_dma_disable(prtd->dma);
+
+	if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
+		jz4740_dma_set_src_addr(prtd->dma, prtd->dma_pos);
+		jz4740_dma_set_dst_addr(prtd->dma, prtd->fifo_addr);
+	} else {
+		jz4740_dma_set_src_addr(prtd->dma, prtd->fifo_addr);
+		jz4740_dma_set_dst_addr(prtd->dma, prtd->dma_pos);
+	}
+
+	jz4740_dma_set_transfer_count(prtd->dma, count);
+
+	jz4740_dma_enable(prtd->dma);
+
+	prtd->dma_pos += prtd->dma_period;
+	if (prtd->dma_pos >= prtd->dma_end)
+		prtd->dma_pos = prtd->dma_start;
+}
+
+static void jz4740_pcm_dma_transfer_done(struct jz4740_dma_chan *dma, int err,
+                                         void *dev_id)
+{
+	struct snd_pcm_substream *substream = dev_id;
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct jz4740_runtime_data *prtd = runtime->private_data;
+
+	snd_pcm_period_elapsed(substream);
+
+	jz4740_pcm_start_transfer(prtd, substream->stream);
+}
+
+static int jz4740_pcm_hw_params(struct snd_pcm_substream *substream,
+	struct snd_pcm_hw_params *params)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct jz4740_runtime_data *prtd = runtime->private_data;
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct jz4740_pcm_config *config;
+
+	config = rtd->dai->cpu_dai->dma_data;
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+		prtd->dma = jz4740_dma_request(substream, "PCM Playback");
+	} else {
+		prtd->dma = jz4740_dma_request(substream, "PCM Capture");
+	}
+
+	if (!prtd->dma)
+		return -EBUSY;
+
+	jz4740_dma_configure(prtd->dma, config->dma_config);
+	prtd->fifo_addr = config->fifo_addr;
+
+	jz4740_dma_set_complete_cb(prtd->dma, jz4740_pcm_dma_transfer_done);
+
+	snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
+	runtime->dma_bytes = params_buffer_bytes(params);
+
+	prtd->dma_period = params_period_bytes(params);
+	prtd->dma_start = runtime->dma_addr;
+	prtd->dma_pos = prtd->dma_start;
+	prtd->dma_end = prtd->dma_start + runtime->dma_bytes;
+
+	return 0;
+}
+
+static int jz4740_pcm_hw_free(struct snd_pcm_substream *substream)
+{
+	struct jz4740_runtime_data *prtd = substream->runtime->private_data;
+
+	snd_pcm_set_runtime_buffer(substream, NULL);
+	if (prtd->dma)
+		jz4740_dma_free(prtd->dma);
+
+	return 0;
+}
+
+static int jz4740_pcm_prepare(struct snd_pcm_substream *substream)
+{
+	struct jz4740_runtime_data *prtd = substream->runtime->private_data;
+	int ret = 0;
+
+	if (!prtd->dma)
+	 	return 0;
+
+	prtd->dma_pos = prtd->dma_start;
+
+	return ret;
+}
+
+static int jz4740_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct jz4740_runtime_data *prtd = runtime->private_data;
+
+	int ret = 0;
+
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+	case SNDRV_PCM_TRIGGER_RESUME:
+	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+		jz4740_pcm_start_transfer(prtd, substream->stream);
+		break;
+	case SNDRV_PCM_TRIGGER_STOP:
+	case SNDRV_PCM_TRIGGER_SUSPEND:
+	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+		jz4740_dma_disable(prtd->dma);
+		break;
+	default:
+		ret = -EINVAL;
+	}
+
+	return ret;
+}
+
+static snd_pcm_uframes_t jz4740_pcm_pointer(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct jz4740_runtime_data *prtd = runtime->private_data;
+	unsigned long count, pos;
+	snd_pcm_uframes_t offset;
+	struct jz4740_dma_chan *dma = prtd->dma;
+
+	count = jz4740_dma_get_residue(dma);
+	if (prtd->dma_pos == prtd->dma_start)
+		pos = prtd->dma_end - prtd->dma_start - count;
+	else
+		pos = prtd->dma_pos - prtd->dma_start - count;
+
+	offset = bytes_to_frames(runtime, pos);
+	if (offset >= runtime->buffer_size)
+		offset = 0;
+
+	return offset;
+}
+
+static int jz4740_pcm_open(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct jz4740_runtime_data *prtd;
+
+	snd_soc_set_runtime_hwparams(substream, &jz4740_pcm_hardware);
+	prtd = kzalloc(sizeof(struct jz4740_runtime_data), GFP_KERNEL);
+
+	if (prtd == NULL)
+		return -ENOMEM;
+
+	runtime->private_data = prtd;
+	return 0;
+}
+
+static int jz4740_pcm_close(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct jz4740_runtime_data *prtd = runtime->private_data;
+
+	kfree(prtd);
+
+	return 0;
+}
+
+static int jz4740_pcm_mmap(struct snd_pcm_substream *substream,
+			   struct vm_area_struct *vma)
+{
+	return remap_pfn_range(vma, vma->vm_start,
+		       substream->dma_buffer.addr >> PAGE_SHIFT,
+		       vma->vm_end - vma->vm_start, vma->vm_page_prot);
+}
+
+static struct snd_pcm_ops jz4740_pcm_ops = {
+	.open		= jz4740_pcm_open,
+	.close		= jz4740_pcm_close,
+	.ioctl		= snd_pcm_lib_ioctl,
+	.hw_params	= jz4740_pcm_hw_params,
+	.hw_free	= jz4740_pcm_hw_free,
+	.prepare	= jz4740_pcm_prepare,
+	.trigger	= jz4740_pcm_trigger,
+	.pointer	= jz4740_pcm_pointer,
+	.mmap		= jz4740_pcm_mmap,
+};
+
+static int jz4740_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream)
+{
+	struct snd_pcm_substream *substream = pcm->streams[stream].substream;
+	struct snd_dma_buffer *buf = &substream->dma_buffer;
+	size_t size = jz4740_pcm_hardware.buffer_bytes_max;
+
+	buf->dev.type = SNDRV_DMA_TYPE_DEV;
+	buf->dev.dev = pcm->card->dev;
+	buf->private_data = NULL;
+
+	buf->area = dma_alloc_noncoherent(pcm->card->dev, size,
+					  &buf->addr, GFP_KERNEL);
+	if (!buf->area)
+		return -ENOMEM;
+
+	buf->bytes = size;
+
+	return 0;
+}
+
+static void jz4740_pcm_free(struct snd_pcm *pcm)
+{
+	struct snd_pcm_substream *substream;
+	struct snd_dma_buffer *buf;
+	int stream;
+
+	for (stream = 0; stream < 2; stream++) {
+		substream = pcm->streams[stream].substream;
+		if (!substream)
+			continue;
+
+		buf = &substream->dma_buffer;
+		if (!buf->area)
+			continue;
+
+		dma_free_noncoherent(pcm->card->dev, buf->bytes,
+		  buf->area, buf->addr);
+		buf->area = NULL;
+	}
+}
+
+static u64 jz4740_pcm_dmamask = DMA_BIT_MASK(32);
+
+int jz4740_pcm_new(struct snd_card *card, struct snd_soc_dai *dai,
+	struct snd_pcm *pcm)
+{
+	int ret = 0;
+
+	if (!card->dev->dma_mask)
+		card->dev->dma_mask = &jz4740_pcm_dmamask;
+
+	if (!card->dev->coherent_dma_mask)
+		card->dev->coherent_dma_mask = DMA_BIT_MASK(32);
+
+	if (dai->playback.channels_min) {
+		ret = jz4740_pcm_preallocate_dma_buffer(pcm,
+			SNDRV_PCM_STREAM_PLAYBACK);
+		if (ret)
+			goto err;
+	}
+
+	if (dai->capture.channels_min) {
+		ret = jz4740_pcm_preallocate_dma_buffer(pcm,
+			SNDRV_PCM_STREAM_CAPTURE);
+		if (ret)
+			goto err;
+	}
+
+err:
+	return ret;
+}
+
+struct snd_soc_platform jz4740_soc_platform = {
+	.name		= "jz4740-pcm",
+	.pcm_ops 	= &jz4740_pcm_ops,
+	.pcm_new	= jz4740_pcm_new,
+	.pcm_free	= jz4740_pcm_free,
+};
+EXPORT_SYMBOL_GPL(jz4740_soc_platform);
+
+static int __init jz4740_soc_platform_init(void)
+{
+    return snd_soc_register_platform(&jz4740_soc_platform);
+}
+module_init(jz4740_soc_platform_init);
+
+static void __exit jz4740_soc_platform_exit(void)
+{
+    snd_soc_unregister_platform(&jz4740_soc_platform);
+}
+module_exit(jz4740_soc_platform_exit);
+
+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
+MODULE_DESCRIPTION("Ingenic SoC JZ4740 PCM driver");
+MODULE_LICENSE("GPL");
diff --git a/target/linux/xburst/files-2.6.32/sound/soc/jz4740/jz4740-pcm.h b/target/linux/xburst/files-2.6.32/sound/soc/jz4740/jz4740-pcm.h
new file mode 100644
index 0000000000..2a1180081a
--- /dev/null
+++ b/target/linux/xburst/files-2.6.32/sound/soc/jz4740/jz4740-pcm.h
@@ -0,0 +1,22 @@
+/*
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _JZ4740_PCM_H
+#define _JZ4740_PCM_H
+
+#include <linux/dma-mapping.h>
+#include <asm/mach-jz4740/dma.h>
+
+/* platform data */
+extern struct snd_soc_platform jz4740_soc_platform;
+
+struct jz4740_pcm_config {
+	struct jz4740_dma_config *dma_config;
+	phys_addr_t fifo_addr;
+};
+
+#endif
diff --git a/target/linux/xburst/files-2.6.32/sound/soc/jz4740/n526.c b/target/linux/xburst/files-2.6.32/sound/soc/jz4740/n526.c
new file mode 100644
index 0000000000..2283904e36
--- /dev/null
+++ b/target/linux/xburst/files-2.6.32/sound/soc/jz4740/n526.c
@@ -0,0 +1,169 @@
+/*
+ * Copyright (C) 2009, Lars-Peter Clausen <lars@metafoo.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ *  You should have received a copy of the  GNU General Public License along
+ *  with this program; if not, write  to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#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 <sound/soc-dapm.h>
+#include <linux/gpio.h>
+
+#include "../codecs/jzcodec.h"
+#include "jz4740-pcm.h"
+#include "jz4740-i2s.h"
+
+#define N526_AMP_EN_GPIO JZ_GPIO_PORTD(4)
+
+static int n526_spk_event(struct snd_soc_dapm_widget *widget,
+			     struct snd_kcontrol *ctrl, int event)
+{
+	gpio_set_value(N526_AMP_EN_GPIO, !SND_SOC_DAPM_EVENT_OFF(event));
+	return 0;
+}
+
+static const struct snd_soc_dapm_widget n526_widgets[] = {
+	SND_SOC_DAPM_SPK("Speaker", n526_spk_event),
+	SND_SOC_DAPM_HP("Headphone", NULL),
+	SND_SOC_DAPM_MIC("Mic", NULL),
+};
+
+static const struct snd_soc_dapm_route n526_routes[] = {
+	{"Mic", NULL, "MIC"},
+	{"Speaker", NULL, "LOUT"},
+	{"Speaker", NULL, "ROUT"},
+	{"Headphone", NULL, "LOUT"},
+	{"Headphone", NULL, "ROUT"},
+};
+
+static const struct snd_kcontrol_new n526_controls[] = {
+	SOC_DAPM_PIN_SWITCH("Speaker"),
+};
+
+#define N526_DAIFMT (SND_SOC_DAIFMT_I2S | \
+			SND_SOC_DAIFMT_NB_NF | \
+			SND_SOC_DAIFMT_CBM_CFM)
+
+static int n526_codec_init(struct snd_soc_codec *codec)
+{
+	int ret;
+	struct snd_soc_dai *cpu_dai = codec->socdev->card->dai_link->cpu_dai;
+	struct snd_soc_dai *codec_dai = codec->socdev->card->dai_link->codec_dai;
+
+	snd_soc_dapm_nc_pin(codec, "LIN");
+	snd_soc_dapm_nc_pin(codec, "RIN");
+
+	ret = snd_soc_dai_set_fmt(codec_dai, N526_DAIFMT);
+	if (ret < 0) {
+		dev_err(codec->dev, "Failed to set codec dai format: %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_dai_set_fmt(cpu_dai, N526_DAIFMT);
+	if (ret < 0) {
+		dev_err(codec->dev, "Failed to set cpu dai format: %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_dai_set_sysclk(codec_dai, JZCODEC_SYSCLK, 111,
+		SND_SOC_CLOCK_IN);
+	if (ret < 0) {
+		dev_err(codec->dev, "Failed to set codec dai sysclk: %d\n", ret);
+		return ret;
+	}
+
+	snd_soc_dapm_new_controls(codec, n526_widgets, ARRAY_SIZE(n526_widgets));
+
+	snd_soc_add_controls(codec, n526_controls,
+				ARRAY_SIZE(n526_controls));
+
+	snd_soc_dapm_add_routes(codec, n526_routes, ARRAY_SIZE(n526_routes));
+
+	snd_soc_dapm_sync(codec);
+
+	return 0;
+}
+
+static struct snd_soc_dai_link n526_dai = {
+	.name = "jz-codec",
+	.stream_name = "JZCODEC",
+	.cpu_dai = &jz4740_i2s_dai,
+	.codec_dai = &jz_codec_dai,
+	.init = n526_codec_init,
+};
+
+static struct snd_soc_card n526 = {
+	.name = "N526",
+	.dai_link = &n526_dai,
+	.num_links = 1,
+	.platform = &jz4740_soc_platform,
+};
+
+static struct snd_soc_device n526_snd_devdata = {
+	.card = &n526,
+	.codec_dev = &soc_codec_dev_jzcodec,
+};
+
+static struct platform_device *n526_snd_device;
+
+static int __init n526_init(void)
+{
+	int ret;
+
+	n526_snd_device = platform_device_alloc("soc-audio", -1);
+
+	if (!n526_snd_device)
+		return -ENOMEM;
+
+	ret = gpio_request(N526_AMP_EN_GPIO, "AMP");
+	if (ret) {
+		pr_err("n526 snd: Failed to request AMP GPIO(%d): %d\n",
+				N526_AMP_EN_GPIO, ret);
+		goto err_device_put;
+	}
+
+	gpio_direction_output(JZ_GPIO_PORTD(4), 0);
+
+	platform_set_drvdata(n526_snd_device, &n526_snd_devdata);
+	n526_snd_devdata.dev = &n526_snd_device->dev;
+	ret = platform_device_add(n526_snd_device);
+	if (ret) {
+		pr_err("n526 snd: Failed to add snd soc device: %d\n", ret);
+		goto err_unset_pdata;
+	}
+
+	 return 0;
+
+err_unset_pdata:
+	platform_set_drvdata(n526_snd_device, NULL);
+	gpio_free(N526_AMP_EN_GPIO);
+err_device_put:
+	platform_device_put(n526_snd_device);
+
+	return ret;
+}
+module_init(n526_init);
+
+static void __exit n526_exit(void)
+{
+	gpio_free(N526_AMP_EN_GPIO);
+	platform_device_unregister(n526_snd_device);
+}
+module_exit(n526_exit);
+
+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
+MODULE_DESCRIPTION("ALSA SoC N526 audio support");
+MODULE_LICENSE("GPL v2");
diff --git a/target/linux/xburst/files-2.6.32/sound/soc/jz4740/qi_lb60.c b/target/linux/xburst/files-2.6.32/sound/soc/jz4740/qi_lb60.c
new file mode 100644
index 0000000000..a2ce3cf7ea
--- /dev/null
+++ b/target/linux/xburst/files-2.6.32/sound/soc/jz4740/qi_lb60.c
@@ -0,0 +1,182 @@
+/*
+ * Copyright (C) 2009, Lars-Peter Clausen <lars@metafoo.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ *  You should have received a copy of the  GNU General Public License along
+ *  with this program; if not, write  to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#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 <sound/soc-dapm.h>
+#include <linux/gpio.h>
+
+#include "../codecs/jzcodec.h"
+#include "jz4740-pcm.h"
+#include "jz4740-i2s.h"
+
+
+#define QI_LB60_SND_GPIO JZ_GPIO_PORTB(29)
+#define QI_LB60_AMP_GPIO JZ_GPIO_PORTD(4)
+
+static int qi_lb60_spk_event(struct snd_soc_dapm_widget *widget,
+			     struct snd_kcontrol *ctrl, int event)
+{
+	int on = 0;
+	if (event & SND_SOC_DAPM_POST_PMU)
+		on = 1;
+	else if (event & SND_SOC_DAPM_PRE_PMD)
+		on = 0;
+
+	gpio_set_value(QI_LB60_SND_GPIO, on);
+	gpio_set_value(QI_LB60_AMP_GPIO, on);
+
+	return 0;
+}
+
+static const struct snd_soc_dapm_widget qi_lb60_widgets[] = {
+	SND_SOC_DAPM_SPK("Speaker", qi_lb60_spk_event),
+	SND_SOC_DAPM_MIC("Mic", NULL),
+};
+
+static const struct snd_soc_dapm_route qi_lb60_routes[] = {
+	{"Mic", NULL, "MIC"},
+	{"Speaker", NULL, "LOUT"},
+	{"Speaker", NULL, "ROUT"},
+};
+
+#define QI_LB60_DAIFMT (SND_SOC_DAIFMT_I2S | \
+			SND_SOC_DAIFMT_NB_NF | \
+			SND_SOC_DAIFMT_CBM_CFM)
+
+static int qi_lb60_codec_init(struct snd_soc_codec *codec)
+{
+	int ret;
+	struct snd_soc_dai *cpu_dai = codec->socdev->card->dai_link->cpu_dai;
+	struct snd_soc_dai *codec_dai = codec->socdev->card->dai_link->codec_dai;
+
+	snd_soc_dapm_nc_pin(codec, "LIN");
+	snd_soc_dapm_nc_pin(codec, "RIN");
+
+	ret = snd_soc_dai_set_fmt(codec_dai, QI_LB60_DAIFMT);
+	if (ret < 0) {
+		dev_err(codec->dev, "Failed to set codec dai format: %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_dai_set_fmt(cpu_dai, QI_LB60_DAIFMT);
+	if (ret < 0) {
+		dev_err(codec->dev, "Failed to set cpu dai format: %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_dai_set_sysclk(codec_dai, JZCODEC_SYSCLK, 111,
+		SND_SOC_CLOCK_IN);
+	if (ret < 0) {
+		dev_err(codec->dev, "Failed to set codec dai sysclk: %d\n", ret);
+		return ret;
+	}
+
+	snd_soc_dapm_new_controls(codec, qi_lb60_widgets, ARRAY_SIZE(qi_lb60_widgets));
+
+	snd_soc_dapm_add_routes(codec, qi_lb60_routes, ARRAY_SIZE(qi_lb60_routes));
+
+	snd_soc_dapm_sync(codec);
+
+	return 0;
+}
+
+static struct snd_soc_dai_link qi_lb60_dai = {
+	.name = "jz-codec",
+	.stream_name = "JZCODEC",
+	.cpu_dai = &jz4740_i2s_dai,
+	.codec_dai = &jz_codec_dai,
+	.init = qi_lb60_codec_init,
+};
+
+static struct snd_soc_card qi_lb60 = {
+	.name = "QI LB60",
+	.dai_link = &qi_lb60_dai,
+	.num_links = 1,
+	.platform = &jz4740_soc_platform,
+};
+
+static struct snd_soc_device qi_lb60_snd_devdata = {
+	.card = &qi_lb60,
+	.codec_dev = &soc_codec_dev_jzcodec,
+};
+
+static struct platform_device *qi_lb60_snd_device;
+
+static int __init qi_lb60_init(void)
+{
+	int ret;
+
+	qi_lb60_snd_device = platform_device_alloc("soc-audio", -1);
+
+	if (!qi_lb60_snd_device)
+		return -ENOMEM;
+
+
+	ret = gpio_request(QI_LB60_SND_GPIO, "SND");
+	if (ret) {
+		pr_err("qi_lb60 snd: Failed to request SND GPIO(%d): %d\n",
+				QI_LB60_SND_GPIO, ret);
+		goto err_device_put;
+	}
+
+	ret = gpio_request(QI_LB60_AMP_GPIO, "AMP");
+	if (ret) {
+		pr_err("qi_lb60 snd: Failed to request AMP GPIO(%d): %d\n",
+				QI_LB60_AMP_GPIO, ret);
+		goto err_gpio_free_snd;
+	}
+
+	gpio_direction_output(JZ_GPIO_PORTB(29), 0);
+	gpio_direction_output(JZ_GPIO_PORTD(4), 0);
+
+	platform_set_drvdata(qi_lb60_snd_device, &qi_lb60_snd_devdata);
+	qi_lb60_snd_devdata.dev = &qi_lb60_snd_device->dev;
+	ret = platform_device_add(qi_lb60_snd_device);
+	if (ret) {
+		pr_err("qi_lb60 snd: Failed to add snd soc device: %d\n", ret);
+		goto err_unset_pdata;
+	}
+
+	 return 0;
+
+err_unset_pdata:
+	platform_set_drvdata(qi_lb60_snd_device, NULL);
+/*err_gpio_free_amp:*/
+	gpio_free(QI_LB60_AMP_GPIO);
+err_gpio_free_snd:
+	gpio_free(QI_LB60_SND_GPIO);
+err_device_put:
+	platform_device_put(qi_lb60_snd_device);
+
+	return ret;
+}
+module_init(qi_lb60_init);
+
+static void __exit qi_lb60_exit(void)
+{
+	gpio_free(QI_LB60_AMP_GPIO);
+	gpio_free(QI_LB60_SND_GPIO);
+	platform_device_unregister(qi_lb60_snd_device);
+}
+module_exit(qi_lb60_exit);
+
+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
+MODULE_DESCRIPTION("ALSA SoC QI LB60 Audio support");
+MODULE_LICENSE("GPL v2");