1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Qualcomm USB Auxiliary Serial Port driver
4 *
5 * Copyright (C) 2008 Greg Kroah-Hartman <greg@kroah.com>
6 * Copyright (C) 2010 Dan Williams <dcbw@redhat.com>
7 *
8 * Devices listed here usually provide a CDC ACM port on which normal modem
9 * AT commands and PPP can be used. But when that port is in-use by PPP it
10 * cannot be used simultaneously for status or signal strength. Instead, the
11 * ports here can be queried for that information using the Qualcomm DM
12 * protocol.
13 */
14
15#include <linux/kernel.h>
16#include <linux/tty.h>
17#include <linux/module.h>
18#include <linux/usb.h>
19#include <linux/usb/serial.h>
20
21/* NOTE: for now, only use this driver for devices that provide a CDC-ACM port
22 * for normal AT commands, but also provide secondary USB interfaces for the
23 * QCDM-capable ports. Devices that do not provide a CDC-ACM port should
24 * probably be driven by option.ko.
25 */
26
27/* UTStarcom/Pantech/Curitel devices */
28#define UTSTARCOM_VENDOR_ID 0x106c
29#define UTSTARCOM_PRODUCT_PC5740 0x3701
30#define UTSTARCOM_PRODUCT_PC5750 0x3702 /* aka Pantech PX-500 */
31#define UTSTARCOM_PRODUCT_UM150 0x3711
32#define UTSTARCOM_PRODUCT_UM175_V1 0x3712
33#define UTSTARCOM_PRODUCT_UM175_V2 0x3714
34#define UTSTARCOM_PRODUCT_UM175_ALLTEL 0x3715
35
36/* CMOTECH devices */
37#define CMOTECH_VENDOR_ID 0x16d8
38#define CMOTECH_PRODUCT_CDU550 0x5553
39#define CMOTECH_PRODUCT_CDX650 0x6512
40
41/* LG devices */
42#define LG_VENDOR_ID 0x1004
43#define LG_PRODUCT_VX4400_6000 0x6000 /* VX4400/VX6000/Rumor */
44
45/* Sanyo devices */
46#define SANYO_VENDOR_ID 0x0474
47#define SANYO_PRODUCT_KATANA_LX 0x0754 /* SCP-3800 (Katana LX) */
48
49/* Samsung devices */
50#define SAMSUNG_VENDOR_ID 0x04e8
51#define SAMSUNG_PRODUCT_U520 0x6640 /* SCH-U520 */
52
53static const struct usb_device_id id_table[] = {
54 { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_PC5740, 0xff, 0x00, 0x00) },
55 { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_PC5750, 0xff, 0x00, 0x00) },
56 { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_UM150, 0xff, 0x00, 0x00) },
57 { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_UM175_V1, 0xff, 0x00, 0x00) },
58 { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_UM175_V2, 0xff, 0x00, 0x00) },
59 { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_UM175_ALLTEL, 0xff, 0x00, 0x00) },
60 { USB_DEVICE_AND_INTERFACE_INFO(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CDU550, 0xff, 0xff, 0x00) },
61 { USB_DEVICE_AND_INTERFACE_INFO(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CDX650, 0xff, 0xff, 0x00) },
62 { USB_DEVICE_AND_INTERFACE_INFO(LG_VENDOR_ID, LG_PRODUCT_VX4400_6000, 0xff, 0xff, 0x00) },
63 { USB_DEVICE_AND_INTERFACE_INFO(SANYO_VENDOR_ID, SANYO_PRODUCT_KATANA_LX, 0xff, 0xff, 0x00) },
64 { USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_U520, 0xff, 0x00, 0x00) },
65 { USB_VENDOR_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, 0xff, 0xfd, 0xff) }, /* NMEA */
66 { USB_VENDOR_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, 0xff, 0xfe, 0xff) }, /* WMC */
67 { USB_VENDOR_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, 0xff, 0xff, 0xff) }, /* DIAG */
68 { USB_DEVICE_AND_INTERFACE_INFO(0x1fac, 0x0151, 0xff, 0xff, 0xff) },
69 { },
70};
71MODULE_DEVICE_TABLE(usb, id_table);
72
73static struct usb_serial_driver qcaux_device = {
74 .driver = {
75 .owner = THIS_MODULE,
76 .name = "qcaux",
77 },
78 .id_table = id_table,
79 .num_ports = 1,
80};
81
82static struct usb_serial_driver * const serial_drivers[] = {
83 &qcaux_device, NULL
84};
85
86module_usb_serial_driver(serial_drivers, id_table);
87MODULE_LICENSE("GPL v2");
88

source code of linux/drivers/usb/serial/qcaux.c