mirror of
git://projects.qi-hardware.com/xburst-tools.git
synced 2024-12-23 20:43:21 +02:00
119 lines
2.8 KiB
C
119 lines
2.8 KiB
C
/*
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* Ingenic driver
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*
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* Copyright (C) 2009 Pi, Xiangfu Liu (xiangfu.z@gmail.com)
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <linux/config.h>
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#ifdef CONFIG_USB_DEBUG
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#define DEBUG 1
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#endif
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <linux/module.h>
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#include <linux/usb.h>
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#define DRIVER_AUTHOR "xiangfu, xiangfu.z@gmail.com"
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#define DRIVER_DESC "Ingenic driver"
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#define VENDOR_ID 0x601a
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#define PRODUCT_ID 0x4740
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/* table of devices that work with this driver */
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static struct usb_device_id ingenic_table [] = {
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{ USB_DEVICE(VENDOR_ID, PRODUCT_ID) },
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{ },
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};
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MODULE_DEVICE_TABLE (usb, ingenic_table);
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struct usb_ingenic {
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struct usb_device * udev;
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};
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static int ingenic_probe(struct usb_interface *interface, const struct usb_device_id *id)
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{
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struct usb_device *udev = interface_to_usbdev(interface);
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struct usb_ingenic *dev = NULL;
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int retval = -ENOMEM;
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dev = kmalloc(sizeof(struct usb_ingenic), GFP_KERNEL);
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if (dev == NULL) {
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dev_err(&interface->dev, "Out of memory\n");
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goto error;
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}
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memset (dev, 0x00, sizeof (*dev));
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dev->udev = usb_get_dev(udev);
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usb_set_intfdata (interface, dev);
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dev_info(&interface->dev, "Ingenic device now attached\n");
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return 0;
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error:
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kfree(dev);
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return retval;
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}
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static void ingenic_disconnect(struct usb_interface *interface)
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{
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struct usb_ingenic *dev;
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dev = usb_get_intfdata (interface);
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usb_set_intfdata (interface, NULL);
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usb_put_dev(dev->udev);
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kfree(dev);
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dev_info(&interface->dev, "Ingenic device now disconnected\n");
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}
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static struct usb_driver ingenic_driver = {
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.owner = THIS_MODULE,
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.name = "Ingenic",
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.probe = ingenic_probe,
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.disconnect = ingenic_disconnect,
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.id_table = id_table,
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};
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static int __init usb_ingenic_init(void)
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{
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int retval = 0;
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retval = usb_register(&ingenic_driver);
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if (retval)
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err("usb_register failed. Error number %d", retval);
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return retval;
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}
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static void __exit usb_ingenic_exit(void)
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{
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usb_deregister(&ingenic_driver);
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}
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module_init (usb_ingenic_init);
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module_exit (usb_ingenic_exit);
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MODULE_AUTHOR(DRIVER_AUTHOR);
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MODULE_DESCRIPTION(DRIVER_DESC);
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MODULE_LICENSE("GPL");
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