From e418b865c486912d04eef7d7306d6ffa7907634f Mon Sep 17 00:00:00 2001
From: xiangfu <xiangfu.z@gmail.com>
Date: Wed, 15 Apr 2009 17:06:05 +0000
Subject: [PATCH] try to write the ingenic driver

---
 ingenic-tools/drivers/ingenic.c | 118 ++++++++++++++++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 ingenic-tools/drivers/ingenic.c

diff --git a/ingenic-tools/drivers/ingenic.c b/ingenic-tools/drivers/ingenic.c
new file mode 100644
index 0000000..9a0950c
--- /dev/null
+++ b/ingenic-tools/drivers/ingenic.c
@@ -0,0 +1,118 @@
+/*
+ * Ingenic driver
+ *
+ * Copyright (C) 2009 Pi,  Xiangfu Liu (xiangfu.z@gmail.com)
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+
+#include <linux/config.h>
+#ifdef CONFIG_USB_DEBUG
+	#define DEBUG	1
+#endif
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+
+
+#define DRIVER_AUTHOR "xiangfu, xiangfu.z@gmail.com"
+#define DRIVER_DESC "Ingenic driver"
+
+#define VENDOR_ID	0x601a
+#define PRODUCT_ID	0x4740
+
+/* table of devices that work with this driver */
+static struct usb_device_id ingenic_table [] = {
+	{ USB_DEVICE(VENDOR_ID, PRODUCT_ID) },
+	{ },
+};
+MODULE_DEVICE_TABLE (usb, ingenic_table);
+
+struct usb_ingenic {
+	struct usb_device *	udev;
+};
+
+static int ingenic_probe(struct usb_interface *interface, const struct usb_device_id *id)
+{
+	struct usb_device *udev = interface_to_usbdev(interface);
+	struct usb_ingenic *dev = NULL;
+	int retval = -ENOMEM;
+
+	dev = kmalloc(sizeof(struct usb_ingenic), GFP_KERNEL);
+	if (dev == NULL) {
+		dev_err(&interface->dev, "Out of memory\n");
+		goto error;
+	}
+	memset (dev, 0x00, sizeof (*dev));
+
+	dev->udev = usb_get_dev(udev);
+
+	usb_set_intfdata (interface, dev);
+
+	dev_info(&interface->dev, "Ingenic device now attached\n");
+	return 0;
+
+error:
+	kfree(dev);
+	return retval;
+}
+
+static void ingenic_disconnect(struct usb_interface *interface)
+{
+	struct usb_ingenic *dev;
+
+	dev = usb_get_intfdata (interface);
+	usb_set_intfdata (interface, NULL);
+
+	usb_put_dev(dev->udev);
+
+	kfree(dev);
+
+	dev_info(&interface->dev, "Ingenic device now disconnected\n");
+}
+
+static struct usb_driver ingenic_driver = {
+	.owner =	THIS_MODULE,
+	.name =		"Ingenic",
+	.probe =	ingenic_probe,
+	.disconnect =	ingenic_disconnect,
+	.id_table =	id_table,
+};
+
+static int __init usb_ingenic_init(void)
+{
+	int retval = 0;
+
+	retval = usb_register(&ingenic_driver);
+	if (retval)
+		err("usb_register failed. Error number %d", retval);
+	return retval;
+}
+
+static void __exit usb_ingenic_exit(void)
+{
+	usb_deregister(&ingenic_driver);
+}
+
+module_init (usb_ingenic_init);
+module_exit (usb_ingenic_exit);
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL");