1 /* 2 * Qualcomm Serial USB driver 3 * 4 * Copyright (c) 2008 QUALCOMM Incorporated. 5 * Copyright (c) 2009 Greg Kroah-Hartman <gregkh@suse.de> 6 * Copyright (c) 2009 Novell Inc. 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License version 10 * 2 as published by the Free Software Foundation. 11 * 12 */ 13 14 #include <linux/tty.h> 15 #include <linux/tty_flip.h> 16 #include <linux/usb.h> 17 #include <linux/usb/serial.h> 18 19 #define DRIVER_AUTHOR "Qualcomm Inc" 20 #define DRIVER_DESC "Qualcomm USB Serial driver" 21 22 static int debug; 23 24 static const struct usb_device_id id_table[] = { 25 {USB_DEVICE(0x05c6, 0x9211)}, /* Acer Gobi QDL device */ 26 {USB_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ 27 {USB_DEVICE(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */ 28 {USB_DEVICE(0x03f0, 0x201d)}, /* HP un2400 Gobi QDL Device */ 29 {USB_DEVICE(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */ 30 {USB_DEVICE(0x04da, 0x250c)}, /* Panasonic Gobi QDL device */ 31 {USB_DEVICE(0x413c, 0x8172)}, /* Dell Gobi Modem device */ 32 {USB_DEVICE(0x413c, 0x8171)}, /* Dell Gobi QDL device */ 33 {USB_DEVICE(0x1410, 0xa001)}, /* Novatel Gobi Modem device */ 34 {USB_DEVICE(0x1410, 0xa008)}, /* Novatel Gobi QDL device */ 35 {USB_DEVICE(0x0b05, 0x1776)}, /* Asus Gobi Modem device */ 36 {USB_DEVICE(0x0b05, 0x1774)}, /* Asus Gobi QDL device */ 37 {USB_DEVICE(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */ 38 {USB_DEVICE(0x19d2, 0xfff2)}, /* ONDA Gobi QDL device */ 39 {USB_DEVICE(0x1557, 0x0a80)}, /* OQO Gobi QDL device */ 40 {USB_DEVICE(0x05c6, 0x9001)}, /* Generic Gobi Modem device */ 41 {USB_DEVICE(0x05c6, 0x9002)}, /* Generic Gobi Modem device */ 42 {USB_DEVICE(0x05c6, 0x9202)}, /* Generic Gobi Modem device */ 43 {USB_DEVICE(0x05c6, 0x9203)}, /* Generic Gobi Modem device */ 44 {USB_DEVICE(0x05c6, 0x9222)}, /* Generic Gobi Modem device */ 45 {USB_DEVICE(0x05c6, 0x9008)}, /* Generic Gobi QDL device */ 46 {USB_DEVICE(0x05c6, 0x9201)}, /* Generic Gobi QDL device */ 47 {USB_DEVICE(0x05c6, 0x9221)}, /* Generic Gobi QDL device */ 48 {USB_DEVICE(0x05c6, 0x9231)}, /* Generic Gobi QDL device */ 49 {USB_DEVICE(0x1f45, 0x0001)}, /* Unknown Gobi QDL device */ 50 {USB_DEVICE(0x413c, 0x8185)}, /* Dell Gobi 2000 QDL device (N0218, VU936) */ 51 {USB_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */ 52 {USB_DEVICE(0x05c6, 0x9224)}, /* Sony Gobi 2000 QDL device (N0279, VU730) */ 53 {USB_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */ 54 {USB_DEVICE(0x05c6, 0x9244)}, /* Samsung Gobi 2000 QDL device (VL176) */ 55 {USB_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */ 56 {USB_DEVICE(0x03f0, 0x241d)}, /* HP Gobi 2000 QDL device (VP412) */ 57 {USB_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */ 58 {USB_DEVICE(0x05c6, 0x9214)}, /* Acer Gobi 2000 QDL device (VP413) */ 59 {USB_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */ 60 {USB_DEVICE(0x05c6, 0x9264)}, /* Asus Gobi 2000 QDL device (VR305) */ 61 {USB_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */ 62 {USB_DEVICE(0x05c6, 0x9234)}, /* Top Global Gobi 2000 QDL device (VR306) */ 63 {USB_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */ 64 {USB_DEVICE(0x05c6, 0x9274)}, /* iRex Technologies Gobi 2000 QDL device (VR307) */ 65 {USB_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */ 66 {USB_DEVICE(0x1199, 0x9000)}, /* Sierra Wireless Gobi 2000 QDL device (VT773) */ 67 {USB_DEVICE(0x1199, 0x9001)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 68 {USB_DEVICE(0x1199, 0x9002)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 69 {USB_DEVICE(0x1199, 0x9003)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 70 {USB_DEVICE(0x1199, 0x9004)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 71 {USB_DEVICE(0x1199, 0x9005)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 72 {USB_DEVICE(0x1199, 0x9006)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 73 {USB_DEVICE(0x1199, 0x9007)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 74 {USB_DEVICE(0x1199, 0x9008)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 75 {USB_DEVICE(0x1199, 0x9009)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 76 {USB_DEVICE(0x1199, 0x900a)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 77 {USB_DEVICE(0x16d8, 0x8001)}, /* CMDTech Gobi 2000 QDL device (VU922) */ 78 {USB_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */ 79 { } /* Terminating entry */ 80 }; 81 MODULE_DEVICE_TABLE(usb, id_table); 82 83 static struct usb_driver qcdriver = { 84 .name = "qcserial", 85 .probe = usb_serial_probe, 86 .disconnect = usb_serial_disconnect, 87 .id_table = id_table, 88 .suspend = usb_serial_suspend, 89 .resume = usb_serial_resume, 90 .supports_autosuspend = true, 91 }; 92 93 static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id) 94 { 95 int retval = -ENODEV; 96 __u8 nintf; 97 __u8 ifnum; 98 99 dbg("%s", __func__); 100 101 nintf = serial->dev->actconfig->desc.bNumInterfaces; 102 dbg("Num Interfaces = %d", nintf); 103 ifnum = serial->interface->cur_altsetting->desc.bInterfaceNumber; 104 dbg("This Interface = %d", ifnum); 105 106 switch (nintf) { 107 case 1: 108 /* QDL mode */ 109 if (serial->interface->num_altsetting == 2) { 110 struct usb_host_interface *intf; 111 112 intf = &serial->interface->altsetting[1]; 113 if (intf->desc.bNumEndpoints == 2) { 114 if (usb_endpoint_is_bulk_in(&intf->endpoint[0].desc) && 115 usb_endpoint_is_bulk_out(&intf->endpoint[1].desc)) { 116 dbg("QDL port found"); 117 retval = usb_set_interface(serial->dev, ifnum, 1); 118 if (retval < 0) { 119 dev_err(&serial->dev->dev, 120 "Could not set interface, error %d\n", 121 retval); 122 retval = -ENODEV; 123 } 124 return retval; 125 } 126 } 127 } 128 break; 129 130 case 4: 131 /* Composite mode */ 132 if (ifnum == 2) { 133 dbg("Modem port found"); 134 retval = usb_set_interface(serial->dev, ifnum, 0); 135 if (retval < 0) { 136 dev_err(&serial->dev->dev, 137 "Could not set interface, error %d\n", 138 retval); 139 retval = -ENODEV; 140 } 141 return retval; 142 } 143 break; 144 145 default: 146 dev_err(&serial->dev->dev, 147 "unknown number of interfaces: %d\n", nintf); 148 return -ENODEV; 149 } 150 151 return retval; 152 } 153 154 static struct usb_serial_driver qcdevice = { 155 .driver = { 156 .owner = THIS_MODULE, 157 .name = "qcserial", 158 }, 159 .description = "Qualcomm USB modem", 160 .id_table = id_table, 161 .usb_driver = &qcdriver, 162 .num_ports = 1, 163 .probe = qcprobe, 164 }; 165 166 static int __init qcinit(void) 167 { 168 int retval; 169 170 retval = usb_serial_register(&qcdevice); 171 if (retval) 172 return retval; 173 174 retval = usb_register(&qcdriver); 175 if (retval) { 176 usb_serial_deregister(&qcdevice); 177 return retval; 178 } 179 180 return 0; 181 } 182 183 static void __exit qcexit(void) 184 { 185 usb_deregister(&qcdriver); 186 usb_serial_deregister(&qcdevice); 187 } 188 189 module_init(qcinit); 190 module_exit(qcexit); 191 192 MODULE_AUTHOR(DRIVER_AUTHOR); 193 MODULE_DESCRIPTION(DRIVER_DESC); 194 MODULE_LICENSE("GPL v2"); 195 196 module_param(debug, bool, S_IRUGO | S_IWUSR); 197 MODULE_PARM_DESC(debug, "Debug enabled or not"); 198