2 * Qualcomm Serial USB driver
4 * Copyright (c) 2008 QUALCOMM Incorporated.
5 * Copyright (c) 2009 Greg Kroah-Hartman <gregkh@suse.de>
6 * Copyright (c) 2009 Novell Inc.
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.
14 #include <linux/tty.h>
15 #include <linux/tty_flip.h>
16 #include <linux/module.h>
17 #include <linux/usb.h>
18 #include <linux/usb/serial.h>
19 #include <linux/slab.h>
22 #define DRIVER_AUTHOR "Qualcomm Inc"
23 #define DRIVER_DESC "Qualcomm USB Serial driver"
27 static const struct usb_device_id id_table[] = {
28 {USB_DEVICE(0x05c6, 0x9211)}, /* Acer Gobi QDL device */
29 {USB_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */
30 {USB_DEVICE(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */
31 {USB_DEVICE(0x03f0, 0x201d)}, /* HP un2400 Gobi QDL Device */
32 {USB_DEVICE(0x03f0, 0x371d)}, /* HP un2430 Mobile Broadband Module */
33 {USB_DEVICE(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */
34 {USB_DEVICE(0x04da, 0x250c)}, /* Panasonic Gobi QDL device */
35 {USB_DEVICE(0x413c, 0x8172)}, /* Dell Gobi Modem device */
36 {USB_DEVICE(0x413c, 0x8171)}, /* Dell Gobi QDL device */
37 {USB_DEVICE(0x1410, 0xa001)}, /* Novatel Gobi Modem device */
38 {USB_DEVICE(0x1410, 0xa008)}, /* Novatel Gobi QDL device */
39 {USB_DEVICE(0x1410, 0xa010)}, /* Novatel Gobi QDL device */
40 {USB_DEVICE(0x1410, 0xa011)}, /* Novatel Gobi QDL device */
41 {USB_DEVICE(0x1410, 0xa012)}, /* Novatel Gobi QDL device */
42 {USB_DEVICE(0x1410, 0xa013)}, /* Novatel Gobi QDL device */
43 {USB_DEVICE(0x1410, 0xa014)}, /* Novatel Gobi QDL device */
44 {USB_DEVICE(0x0b05, 0x1776)}, /* Asus Gobi Modem device */
45 {USB_DEVICE(0x0b05, 0x1774)}, /* Asus Gobi QDL device */
46 {USB_DEVICE(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */
47 {USB_DEVICE(0x19d2, 0xfff2)}, /* ONDA Gobi QDL device */
48 {USB_DEVICE(0x1557, 0x0a80)}, /* OQO Gobi QDL device */
49 {USB_DEVICE(0x05c6, 0x9001)}, /* Generic Gobi Modem device */
50 {USB_DEVICE(0x05c6, 0x9002)}, /* Generic Gobi Modem device */
51 {USB_DEVICE(0x05c6, 0x9202)}, /* Generic Gobi Modem device */
52 {USB_DEVICE(0x05c6, 0x9203)}, /* Generic Gobi Modem device */
53 {USB_DEVICE(0x05c6, 0x9222)}, /* Generic Gobi Modem device */
54 {USB_DEVICE(0x05c6, 0x9008)}, /* Generic Gobi QDL device */
55 {USB_DEVICE(0x05c6, 0x9009)}, /* Generic Gobi Modem device */
56 {USB_DEVICE(0x05c6, 0x9201)}, /* Generic Gobi QDL device */
57 {USB_DEVICE(0x05c6, 0x9221)}, /* Generic Gobi QDL device */
58 {USB_DEVICE(0x05c6, 0x9231)}, /* Generic Gobi QDL device */
59 {USB_DEVICE(0x1f45, 0x0001)}, /* Unknown Gobi QDL device */
60 {USB_DEVICE(0x413c, 0x8185)}, /* Dell Gobi 2000 QDL device (N0218, VU936) */
61 {USB_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */
62 {USB_DEVICE(0x05c6, 0x9208)}, /* Generic Gobi 2000 QDL device */
63 {USB_DEVICE(0x05c6, 0x920b)}, /* Generic Gobi 2000 Modem device */
64 {USB_DEVICE(0x05c6, 0x9224)}, /* Sony Gobi 2000 QDL device (N0279, VU730) */
65 {USB_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */
66 {USB_DEVICE(0x05c6, 0x9244)}, /* Samsung Gobi 2000 QDL device (VL176) */
67 {USB_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */
68 {USB_DEVICE(0x03f0, 0x241d)}, /* HP Gobi 2000 QDL device (VP412) */
69 {USB_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */
70 {USB_DEVICE(0x05c6, 0x9214)}, /* Acer Gobi 2000 QDL device (VP413) */
71 {USB_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */
72 {USB_DEVICE(0x05c6, 0x9264)}, /* Asus Gobi 2000 QDL device (VR305) */
73 {USB_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */
74 {USB_DEVICE(0x05c6, 0x9234)}, /* Top Global Gobi 2000 QDL device (VR306) */
75 {USB_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */
76 {USB_DEVICE(0x05c6, 0x9274)}, /* iRex Technologies Gobi 2000 QDL device (VR307) */
77 {USB_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */
78 {USB_DEVICE(0x1199, 0x9000)}, /* Sierra Wireless Gobi 2000 QDL device (VT773) */
79 {USB_DEVICE(0x1199, 0x9001)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
80 {USB_DEVICE(0x1199, 0x9002)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
81 {USB_DEVICE(0x1199, 0x9003)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
82 {USB_DEVICE(0x1199, 0x9004)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
83 {USB_DEVICE(0x1199, 0x9005)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
84 {USB_DEVICE(0x1199, 0x9006)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
85 {USB_DEVICE(0x1199, 0x9007)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
86 {USB_DEVICE(0x1199, 0x9008)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
87 {USB_DEVICE(0x1199, 0x9009)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
88 {USB_DEVICE(0x1199, 0x900a)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
89 {USB_DEVICE(0x1199, 0x9011)}, /* Sierra Wireless Gobi 2000 Modem device (MC8305) */
90 {USB_DEVICE(0x16d8, 0x8001)}, /* CMDTech Gobi 2000 QDL device (VU922) */
91 {USB_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */
92 {USB_DEVICE(0x05c6, 0x9204)}, /* Gobi 2000 QDL device */
93 {USB_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */
95 {USB_DEVICE(0x05c6, 0x920c)}, /* Gobi 3000 QDL */
96 {USB_DEVICE(0x05c6, 0x920d)}, /* Gobi 3000 Composite */
97 {USB_DEVICE(0x1410, 0xa020)}, /* Novatel Gobi 3000 QDL */
98 {USB_DEVICE(0x1410, 0xa021)}, /* Novatel Gobi 3000 Composite */
99 {USB_DEVICE(0x413c, 0x8193)}, /* Dell Gobi 3000 QDL */
100 {USB_DEVICE(0x413c, 0x8194)}, /* Dell Gobi 3000 Composite */
101 {USB_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */
102 {USB_DEVICE(0x12D1, 0x14F0)}, /* Sony Gobi 3000 QDL */
103 {USB_DEVICE(0x12D1, 0x14F1)}, /* Sony Gobi 3000 Composite */
104 { } /* Terminating entry */
106 MODULE_DEVICE_TABLE(usb, id_table);
108 static struct usb_driver qcdriver = {
110 .probe = usb_serial_probe,
111 .disconnect = usb_serial_disconnect,
112 .id_table = id_table,
113 .suspend = usb_serial_suspend,
114 .resume = usb_serial_resume,
115 .supports_autosuspend = true,
118 static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
120 struct usb_wwan_intf_private *data;
121 struct usb_host_interface *intf = serial->interface->cur_altsetting;
122 int retval = -ENODEV;
128 nintf = serial->dev->actconfig->desc.bNumInterfaces;
129 dbg("Num Interfaces = %d", nintf);
130 ifnum = intf->desc.bInterfaceNumber;
131 dbg("This Interface = %d", ifnum);
133 data = kzalloc(sizeof(struct usb_wwan_intf_private),
138 spin_lock_init(&data->susp_lock);
140 usb_enable_autosuspend(serial->dev);
145 /* Gobi 2000 has a single altsetting, older ones have two */
146 if (serial->interface->num_altsetting == 2)
147 intf = &serial->interface->altsetting[1];
148 else if (serial->interface->num_altsetting > 2)
151 if (intf->desc.bNumEndpoints == 2 &&
152 usb_endpoint_is_bulk_in(&intf->endpoint[0].desc) &&
153 usb_endpoint_is_bulk_out(&intf->endpoint[1].desc)) {
154 dbg("QDL port found");
156 if (serial->interface->num_altsetting == 1) {
157 retval = 0; /* Success */
161 retval = usb_set_interface(serial->dev, ifnum, 1);
163 dev_err(&serial->dev->dev,
164 "Could not set interface, error %d\n",
175 /* ifnum == 0 is a broadband network adapter */
178 * Diagnostics Monitor (serial line 9600 8N1)
179 * Qualcomm DM protocol
180 * use "libqcdm" (ModemManager) for communication
182 dbg("Diagnostics Monitor found");
183 retval = usb_set_interface(serial->dev, ifnum, 0);
185 dev_err(&serial->dev->dev,
186 "Could not set interface, error %d\n",
191 } else if (ifnum == 2) {
192 dbg("Modem port found");
193 retval = usb_set_interface(serial->dev, ifnum, 0);
195 dev_err(&serial->dev->dev,
196 "Could not set interface, error %d\n",
201 } else if (ifnum==3) {
203 * NMEA (serial line 9600 8N1)
204 * # echo "\$GPS_START" > /dev/ttyUSBx
205 * # echo "\$GPS_STOP" > /dev/ttyUSBx
207 dbg("NMEA GPS interface found");
208 retval = usb_set_interface(serial->dev, ifnum, 0);
210 dev_err(&serial->dev->dev,
211 "Could not set interface, error %d\n",
220 dev_err(&serial->dev->dev,
221 "unknown number of interfaces: %d\n", nintf);
226 /* Set serial->private if not returning -ENODEV */
227 if (retval != -ENODEV)
228 usb_set_serial_data(serial, data);
232 static void qc_release(struct usb_serial *serial)
234 struct usb_wwan_intf_private *priv = usb_get_serial_data(serial);
238 /* Call usb_wwan release & free the private data allocated in qcprobe */
239 usb_wwan_release(serial);
240 usb_set_serial_data(serial, NULL);
244 static struct usb_serial_driver qcdevice = {
246 .owner = THIS_MODULE,
249 .description = "Qualcomm USB modem",
250 .id_table = id_table,
251 .usb_driver = &qcdriver,
254 .open = usb_wwan_open,
255 .close = usb_wwan_close,
256 .write = usb_wwan_write,
257 .write_room = usb_wwan_write_room,
258 .chars_in_buffer = usb_wwan_chars_in_buffer,
259 .attach = usb_wwan_startup,
260 .disconnect = usb_wwan_disconnect,
261 .release = qc_release,
263 .suspend = usb_wwan_suspend,
264 .resume = usb_wwan_resume,
268 static int __init qcinit(void)
272 retval = usb_serial_register(&qcdevice);
276 retval = usb_register(&qcdriver);
278 usb_serial_deregister(&qcdevice);
285 static void __exit qcexit(void)
287 usb_deregister(&qcdriver);
288 usb_serial_deregister(&qcdevice);
294 MODULE_AUTHOR(DRIVER_AUTHOR);
295 MODULE_DESCRIPTION(DRIVER_DESC);
296 MODULE_LICENSE("GPL v2");
298 module_param(debug, bool, S_IRUGO | S_IWUSR);
299 MODULE_PARM_DESC(debug, "Debug enabled or not");