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/*
* Qualcomm USB Auxiliary Serial Port driver
*
* Copyright (C) 2008 Greg Kroah-Hartman <greg@kroah.com>
* Copyright (C) 2010 Dan Williams <dcbw@redhat.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.
*
* Devices listed here usually provide a CDC ACM port on which normal modem
* AT commands and PPP can be used. But when that port is in-use by PPP it
* cannot be used simultaneously for status or signal strength. Instead, the
* ports here can be queried for that information using the Qualcomm DM
* protocol.
*/
#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>
/* NOTE: for now, only use this driver for devices that provide a CDC-ACM port
* for normal AT commands, but also provide secondary USB interfaces for the
* QCDM-capable ports. Devices that do not provide a CDC-ACM port should
* probably be driven by option.ko.
*/
/* UTStarcom/Pantech/Curitel devices */
#define UTSTARCOM_VENDOR_ID 0x106c
#define UTSTARCOM_PRODUCT_PC5740 0x3701
#define UTSTARCOM_PRODUCT_PC5750 0x3702 /* aka Pantech PX-500 */
#define UTSTARCOM_PRODUCT_UM150 0x3711
#define UTSTARCOM_PRODUCT_UM175_V1 0x3712
#define UTSTARCOM_PRODUCT_UM175_V2 0x3714
#define UTSTARCOM_PRODUCT_UM175_ALLTEL 0x3715
/* CMOTECH devices */
#define CMOTECH_VENDOR_ID 0x16d8
#define CMOTECH_PRODUCT_CDU550 0x5553
#define CMOTECH_PRODUCT_CDX650 0x6512
/* LG devices */
#define LG_VENDOR_ID 0x1004
#define LG_PRODUCT_VX4400_6000 0x6000 /* VX4400/VX6000/Rumor */
/* Sanyo devices */
#define SANYO_VENDOR_ID 0x0474
#define SANYO_PRODUCT_KATANA_LX 0x0754 /* SCP-3800 (Katana LX) */
/* Samsung devices */
#define SAMSUNG_VENDOR_ID 0x04e8
#define SAMSUNG_PRODUCT_U520 0x6640 /* SCH-U520 */
static struct usb_device_id id_table[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_PC5740, 0xff, 0x00, 0x00) },
{ USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_PC5750, 0xff, 0x00, 0x00) },
{ USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_UM150, 0xff, 0x00, 0x00) },
{ USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_UM175_V1, 0xff, 0x00, 0x00) },
{ USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_UM175_V2, 0xff, 0x00, 0x00) },
{ USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_UM175_ALLTEL, 0xff, 0x00, 0x00) },
{ USB_DEVICE_AND_INTERFACE_INFO(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CDU550, 0xff, 0xff, 0x00) },
{ USB_DEVICE_AND_INTERFACE_INFO(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CDX650, 0xff, 0xff, 0x00) },
{ USB_DEVICE_AND_INTERFACE_INFO(LG_VENDOR_ID, LG_PRODUCT_VX4400_6000, 0xff, 0xff, 0x00) },
{ USB_DEVICE_AND_INTERFACE_INFO(SANYO_VENDOR_ID, SANYO_PRODUCT_KATANA_LX, 0xff, 0xff, 0x00) },
{ USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_U520, 0xff, 0x00, 0x00) },
{ },
};
MODULE_DEVICE_TABLE(usb, id_table);
static struct usb_driver qcaux_driver = {
.name = "qcaux",
.probe = usb_serial_probe,
.disconnect = usb_serial_disconnect,
.id_table = id_table,
.no_dynamic_id = 1,
};
static struct usb_serial_driver qcaux_device = {
.driver = {
.owner = THIS_MODULE,
.name = "qcaux",
},
.id_table = id_table,
.num_ports = 1,
};
static int __init qcaux_init(void)
{
int retval;
retval = usb_serial_register(&qcaux_device);
if (retval)
return retval;
retval = usb_register(&qcaux_driver);
if (retval)
usb_serial_deregister(&qcaux_device);
return retval;
}
static void __exit qcaux_exit(void)
{
usb_deregister(&qcaux_driver);
usb_serial_deregister(&qcaux_device);
}
module_init(qcaux_init);
module_exit(qcaux_exit);
MODULE_LICENSE("GPL");
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