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/*
* USB Debug cable driver
*
* Copyright (C) 2006 Greg Kroah-Hartman <greg@kroah.com>
*
* 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.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/tty.h>
#include <linux/module.h>
#include <linux/usb.h>
#include <linux/usb/serial.h>
#define URB_DEBUG_MAX_IN_FLIGHT_URBS 4000
#define USB_DEBUG_MAX_PACKET_SIZE 8
static struct usb_device_id id_table [] = {
{ USB_DEVICE(0x0525, 0x127a) },
{ },
};
MODULE_DEVICE_TABLE(usb, id_table);
static struct usb_driver debug_driver = {
.name = "debug",
.probe = usb_serial_probe,
.disconnect = usb_serial_disconnect,
.id_table = id_table,
.no_dynamic_id = 1,
};
static int usb_debug_open(struct tty_struct *tty, struct usb_serial_port *port,
struct file *filp)
{
port->bulk_out_size = USB_DEBUG_MAX_PACKET_SIZE;
return usb_serial_generic_open(tty, port, filp);
}
static struct usb_serial_driver debug_device = {
.driver = {
.owner = THIS_MODULE,
.name = "debug",
},
.id_table = id_table,
.num_ports = 1,
.open = usb_debug_open,
.max_in_flight_urbs = URB_DEBUG_MAX_IN_FLIGHT_URBS,
};
static int __init debug_init(void)
{
int retval;
retval = usb_serial_register(&debug_device);
if (retval)
return retval;
retval = usb_register(&debug_driver);
if (retval)
usb_serial_deregister(&debug_device);
return retval;
}
static void __exit debug_exit(void)
{
usb_deregister(&debug_driver);
usb_serial_deregister(&debug_device);
}
module_init(debug_init);
module_exit(debug_exit);
MODULE_LICENSE("GPL");
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