1 files changed, 142 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/sound/soc/jz4740/qi_lb60.c b/ANDROID_3.4.5/sound/soc/jz4740/qi_lb60.c
new file mode 100644
index 00000000..e8aaff18
--- /dev/null
+++ b/ANDROID_3.4.5/sound/soc/jz4740/qi_lb60.c
@@ -0,0 +1,142 @@
+/*
+ * 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 <linux/gpio.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 = !SND_SOC_DAPM_EVENT_OFF(event);
+
+	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_pcm_runtime *rtd)
+{
+	struct snd_soc_codec *codec = rtd->codec;
+	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+	struct snd_soc_dapm_context *dapm = &codec->dapm;
+	int ret;
+
+	snd_soc_dapm_nc_pin(dapm, "LIN");
+	snd_soc_dapm_nc_pin(dapm, "RIN");
+
+	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;
+	}
+
+	return 0;
+}
+
+static struct snd_soc_dai_link qi_lb60_dai = {
+	.name = "jz4740",
+	.stream_name = "jz4740",
+	.cpu_dai_name = "jz4740-i2s",
+	.platform_name = "jz4740-pcm-audio",
+	.codec_dai_name = "jz4740-hifi",
+	.codec_name = "jz4740-codec",
+	.init = qi_lb60_codec_init,
+};
+
+static struct snd_soc_card qi_lb60 = {
+	.name = "QI LB60",
+	.owner = THIS_MODULE,
+	.dai_link = &qi_lb60_dai,
+	.num_links = 1,
+
+	.dapm_widgets = qi_lb60_widgets,
+	.num_dapm_widgets = ARRAY_SIZE(qi_lb60_widgets),
+	.dapm_routes = qi_lb60_routes,
+	.num_dapm_routes = ARRAY_SIZE(qi_lb60_routes),
+};
+
+static const struct gpio qi_lb60_gpios[] = {
+	{ QI_LB60_SND_GPIO, GPIOF_OUT_INIT_LOW, "SND" },
+	{ QI_LB60_AMP_GPIO, GPIOF_OUT_INIT_LOW, "AMP" },
+};
+
+static int __devinit qi_lb60_probe(struct platform_device *pdev)
+{
+	struct snd_soc_card *card = &qi_lb60;
+	int ret;
+
+	ret = gpio_request_array(qi_lb60_gpios, ARRAY_SIZE(qi_lb60_gpios));
+	if (ret)
+		return ret;
+
+	card->dev = &pdev->dev;
+
+	ret = snd_soc_register_card(card);
+	if (ret) {
+		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
+			ret);
+		gpio_free_array(qi_lb60_gpios, ARRAY_SIZE(qi_lb60_gpios));
+	}
+	return ret;
+}
+
+static int __devexit qi_lb60_remove(struct platform_device *pdev)
+{
+	struct snd_soc_card *card = platform_get_drvdata(pdev);
+
+	snd_soc_unregister_card(card);
+	gpio_free_array(qi_lb60_gpios, ARRAY_SIZE(qi_lb60_gpios));
+	return 0;
+}
+
+static struct platform_driver qi_lb60_driver = {
+	.driver		= {
+		.name	= "qi-lb60-audio",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= qi_lb60_probe,
+	.remove		= __devexit_p(qi_lb60_remove),
+};
+
+module_platform_driver(qi_lb60_driver);
+
+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
+MODULE_DESCRIPTION("ALSA SoC QI LB60 Audio support");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:qi-lb60-audio");