root/drivers/usb/serial/qcaux.c

   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 
  53 static 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 };
  71 MODULE_DEVICE_TABLE(usb, id_table);
  72 
  73 static 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 
  82 static struct usb_serial_driver * const serial_drivers[] = {
  83         &qcaux_device, NULL
  84 };
  85 
  86 module_usb_serial_driver(serial_drivers, id_table);
  87 MODULE_LICENSE("GPL v2");