1 /* 2 * Qualcomm USB Auxiliary Serial Port driver 3 * 4 * Copyright (C) 2008 Greg Kroah-Hartman <greg@kroah.com> 5 * Copyright (C) 2010 Dan Williams <dcbw@redhat.com> 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License version 2 as 9 * published by the Free Software Foundation. 10 * 11 * Devices listed here usually provide a CDC ACM port on which normal modem 12 * AT commands and PPP can be used. But when that port is in-use by PPP it 13 * cannot be used simultaneously for status or signal strength. Instead, the 14 * ports here can be queried for that information using the Qualcomm DM 15 * protocol. 16 */ 17 18 #include <linux/kernel.h> 19 #include <linux/init.h> 20 #include <linux/tty.h> 21 #include <linux/module.h> 22 #include <linux/usb.h> 23 #include <linux/usb/serial.h> 24 25 /* NOTE: for now, only use this driver for devices that provide a CDC-ACM port 26 * for normal AT commands, but also provide secondary USB interfaces for the 27 * QCDM-capable ports. Devices that do not provide a CDC-ACM port should 28 * probably be driven by option.ko. 29 */ 30 31 /* UTStarcom/Pantech/Curitel devices */ 32 #define UTSTARCOM_VENDOR_ID 0x106c 33 #define UTSTARCOM_PRODUCT_PC5740 0x3701 34 #define UTSTARCOM_PRODUCT_PC5750 0x3702 /* aka Pantech PX-500 */ 35 #define UTSTARCOM_PRODUCT_UM150 0x3711 36 #define UTSTARCOM_PRODUCT_UM175_V1 0x3712 37 #define UTSTARCOM_PRODUCT_UM175_V2 0x3714 38 #define UTSTARCOM_PRODUCT_UM175_ALLTEL 0x3715 39 #define PANTECH_PRODUCT_UML290_VZW 0x3718 40 41 /* CMOTECH devices */ 42 #define CMOTECH_VENDOR_ID 0x16d8 43 #define CMOTECH_PRODUCT_CDU550 0x5553 44 #define CMOTECH_PRODUCT_CDX650 0x6512 45 46 /* LG devices */ 47 #define LG_VENDOR_ID 0x1004 48 #define LG_PRODUCT_VX4400_6000 0x6000 /* VX4400/VX6000/Rumor */ 49 50 /* Sanyo devices */ 51 #define SANYO_VENDOR_ID 0x0474 52 #define SANYO_PRODUCT_KATANA_LX 0x0754 /* SCP-3800 (Katana LX) */ 53 54 /* Samsung devices */ 55 #define SAMSUNG_VENDOR_ID 0x04e8 56 #define SAMSUNG_PRODUCT_U520 0x6640 /* SCH-U520 */ 57 58 static struct usb_device_id id_table[] = { 59 { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_PC5740, 0xff, 0x00, 0x00) }, 60 { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_PC5750, 0xff, 0x00, 0x00) }, 61 { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_UM150, 0xff, 0x00, 0x00) }, 62 { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_UM175_V1, 0xff, 0x00, 0x00) }, 63 { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_UM175_V2, 0xff, 0x00, 0x00) }, 64 { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_UM175_ALLTEL, 0xff, 0x00, 0x00) }, 65 { USB_DEVICE_AND_INTERFACE_INFO(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CDU550, 0xff, 0xff, 0x00) }, 66 { USB_DEVICE_AND_INTERFACE_INFO(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CDX650, 0xff, 0xff, 0x00) }, 67 { USB_DEVICE_AND_INTERFACE_INFO(LG_VENDOR_ID, LG_PRODUCT_VX4400_6000, 0xff, 0xff, 0x00) }, 68 { USB_DEVICE_AND_INTERFACE_INFO(SANYO_VENDOR_ID, SANYO_PRODUCT_KATANA_LX, 0xff, 0xff, 0x00) }, 69 { USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_U520, 0xff, 0x00, 0x00) }, 70 { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, PANTECH_PRODUCT_UML290_VZW, 0xff, 0xff, 0xff) }, 71 { }, 72 }; 73 MODULE_DEVICE_TABLE(usb, id_table); 74 75 static struct usb_driver qcaux_driver = { 76 .name = "qcaux", 77 .probe = usb_serial_probe, 78 .disconnect = usb_serial_disconnect, 79 .id_table = id_table, 80 .no_dynamic_id = 1, 81 }; 82 83 static struct usb_serial_driver qcaux_device = { 84 .driver = { 85 .owner = THIS_MODULE, 86 .name = "qcaux", 87 }, 88 .id_table = id_table, 89 .usb_driver = &qcaux_driver, 90 .num_ports = 1, 91 }; 92 93 static int __init qcaux_init(void) 94 { 95 int retval; 96 97 retval = usb_serial_register(&qcaux_device); 98 if (retval) 99 return retval; 100 retval = usb_register(&qcaux_driver); 101 if (retval) 102 usb_serial_deregister(&qcaux_device); 103 return retval; 104 } 105 106 static void __exit qcaux_exit(void) 107 { 108 usb_deregister(&qcaux_driver); 109 usb_serial_deregister(&qcaux_device); 110 } 111 112 module_init(qcaux_init); 113 module_exit(qcaux_exit); 114 MODULE_LICENSE("GPL"); 115