init android origin source code

1 files changed, 80 insertions, 0 deletions

diff --git a/ANDROID_3.4.5/drivers/rtc/rtc-starfire.c b/ANDROID_3.4.5/drivers/rtc/rtc-starfire.c
new file mode 100644
index 00000000..5be98bfd
--- /dev/null
+++ b/ANDROID_3.4.5/drivers/rtc/rtc-starfire.c
@@ -0,0 +1,80 @@
+/* rtc-starfire.c: Starfire platform RTC driver.
+ *
+ * Copyright (C) 2008 David S. Miller <davem@davemloft.net>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/rtc.h>
+#include <linux/platform_device.h>
+
+#include <asm/oplib.h>
+
+MODULE_AUTHOR("David S. Miller <davem@davemloft.net>");
+MODULE_DESCRIPTION("Starfire RTC driver");
+MODULE_LICENSE("GPL");
+
+static u32 starfire_get_time(void)
+{
+	static char obp_gettod[32];
+	static u32 unix_tod;
+
+	sprintf(obp_gettod, "h# %08x unix-gettod",
+		(unsigned int) (long) &unix_tod);
+	prom_feval(obp_gettod);
+
+	return unix_tod;
+}
+
+static int starfire_read_time(struct device *dev, struct rtc_time *tm)
+{
+	rtc_time_to_tm(starfire_get_time(), tm);
+	return rtc_valid_tm(tm);
+}
+
+static const struct rtc_class_ops starfire_rtc_ops = {
+	.read_time	= starfire_read_time,
+};
+
+static int __init starfire_rtc_probe(struct platform_device *pdev)
+{
+	struct rtc_device *rtc = rtc_device_register("starfire", &pdev->dev,
+				     &starfire_rtc_ops, THIS_MODULE);
+	if (IS_ERR(rtc))
+		return PTR_ERR(rtc);
+
+	platform_set_drvdata(pdev, rtc);
+
+	return 0;
+}
+
+static int __exit starfire_rtc_remove(struct platform_device *pdev)
+{
+	struct rtc_device *rtc = platform_get_drvdata(pdev);
+
+	rtc_device_unregister(rtc);
+
+	return 0;
+}
+
+static struct platform_driver starfire_rtc_driver = {
+	.driver		= {
+		.name	= "rtc-starfire",
+		.owner	= THIS_MODULE,
+	},
+	.remove		= __exit_p(starfire_rtc_remove),
+};
+
+static int __init starfire_rtc_init(void)
+{
+	return platform_driver_probe(&starfire_rtc_driver, starfire_rtc_probe);
+}
+
+static void __exit starfire_rtc_exit(void)
+{
+	platform_driver_unregister(&starfire_rtc_driver);
+}
+
+module_init(starfire_rtc_init);
+module_exit(starfire_rtc_exit);