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 #define DEVICE_G1K(v, p) \
28 USB_DEVICE(v, p), .driver_info = 1
30 static const struct usb_device_id id_table[] = {
31 /* Gobi 1000 devices */
32 {DEVICE_G1K(0x05c6, 0x9211)}, /* Acer Gobi QDL device */
33 {DEVICE_G1K(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */
34 {DEVICE_G1K(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */
35 {DEVICE_G1K(0x03f0, 0x201d)}, /* HP un2400 Gobi QDL Device */
36 {DEVICE_G1K(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */
37 {DEVICE_G1K(0x04da, 0x250c)}, /* Panasonic Gobi QDL device */
38 {DEVICE_G1K(0x413c, 0x8172)}, /* Dell Gobi Modem device */
39 {DEVICE_G1K(0x413c, 0x8171)}, /* Dell Gobi QDL device */
40 {DEVICE_G1K(0x1410, 0xa001)}, /* Novatel/Verizon USB-1000 */
41 {DEVICE_G1K(0x1410, 0xa002)}, /* Novatel Gobi Modem device */
42 {DEVICE_G1K(0x1410, 0xa003)}, /* Novatel Gobi Modem device */
43 {DEVICE_G1K(0x1410, 0xa004)}, /* Novatel Gobi Modem device */
44 {DEVICE_G1K(0x1410, 0xa005)}, /* Novatel Gobi Modem device */
45 {DEVICE_G1K(0x1410, 0xa006)}, /* Novatel Gobi Modem device */
46 {DEVICE_G1K(0x1410, 0xa007)}, /* Novatel Gobi Modem device */
47 {DEVICE_G1K(0x1410, 0xa008)}, /* Novatel Gobi QDL device */
48 {DEVICE_G1K(0x0b05, 0x1776)}, /* Asus Gobi Modem device */
49 {DEVICE_G1K(0x0b05, 0x1774)}, /* Asus Gobi QDL device */
50 {DEVICE_G1K(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */
51 {DEVICE_G1K(0x19d2, 0xfff2)}, /* ONDA Gobi QDL device */
52 {DEVICE_G1K(0x1557, 0x0a80)}, /* OQO Gobi QDL device */
53 {DEVICE_G1K(0x05c6, 0x9001)}, /* Generic Gobi Modem device */
54 {DEVICE_G1K(0x05c6, 0x9002)}, /* Generic Gobi Modem device */
55 {DEVICE_G1K(0x05c6, 0x9202)}, /* Generic Gobi Modem device */
56 {DEVICE_G1K(0x05c6, 0x9203)}, /* Generic Gobi Modem device */
57 {DEVICE_G1K(0x05c6, 0x9222)}, /* Generic Gobi Modem device */
58 {DEVICE_G1K(0x05c6, 0x9008)}, /* Generic Gobi QDL device */
59 {DEVICE_G1K(0x05c6, 0x9009)}, /* Generic Gobi Modem device */
60 {DEVICE_G1K(0x05c6, 0x9201)}, /* Generic Gobi QDL device */
61 {DEVICE_G1K(0x05c6, 0x9221)}, /* Generic Gobi QDL device */
62 {DEVICE_G1K(0x05c6, 0x9231)}, /* Generic Gobi QDL device */
63 {DEVICE_G1K(0x1f45, 0x0001)}, /* Unknown Gobi QDL device */
64 {DEVICE_G1K(0x1bc7, 0x900e)}, /* Telit Gobi QDL device */
66 /* Gobi 2000 devices */
67 {USB_DEVICE(0x1410, 0xa010)}, /* Novatel Gobi 2000 QDL device */
68 {USB_DEVICE(0x1410, 0xa011)}, /* Novatel Gobi 2000 QDL device */
69 {USB_DEVICE(0x1410, 0xa012)}, /* Novatel Gobi 2000 QDL device */
70 {USB_DEVICE(0x1410, 0xa013)}, /* Novatel Gobi 2000 QDL device */
71 {USB_DEVICE(0x1410, 0xa014)}, /* Novatel Gobi 2000 QDL device */
72 {USB_DEVICE(0x413c, 0x8185)}, /* Dell Gobi 2000 QDL device (N0218, VU936) */
73 {USB_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */
74 {USB_DEVICE(0x05c6, 0x9208)}, /* Generic Gobi 2000 QDL device */
75 {USB_DEVICE(0x05c6, 0x920b)}, /* Generic Gobi 2000 Modem device */
76 {USB_DEVICE(0x05c6, 0x9224)}, /* Sony Gobi 2000 QDL device (N0279, VU730) */
77 {USB_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */
78 {USB_DEVICE(0x05c6, 0x9244)}, /* Samsung Gobi 2000 QDL device (VL176) */
79 {USB_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */
80 {USB_DEVICE(0x03f0, 0x241d)}, /* HP Gobi 2000 QDL device (VP412) */
81 {USB_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */
82 {USB_DEVICE(0x05c6, 0x9214)}, /* Acer Gobi 2000 QDL device (VP413) */
83 {USB_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */
84 {USB_DEVICE(0x05c6, 0x9264)}, /* Asus Gobi 2000 QDL device (VR305) */
85 {USB_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */
86 {USB_DEVICE(0x05c6, 0x9234)}, /* Top Global Gobi 2000 QDL device (VR306) */
87 {USB_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */
88 {USB_DEVICE(0x05c6, 0x9274)}, /* iRex Technologies Gobi 2000 QDL device (VR307) */
89 {USB_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */
90 {USB_DEVICE(0x1199, 0x9000)}, /* Sierra Wireless Gobi 2000 QDL device (VT773) */
91 {USB_DEVICE(0x1199, 0x9001)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
92 {USB_DEVICE(0x1199, 0x9002)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
93 {USB_DEVICE(0x1199, 0x9003)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
94 {USB_DEVICE(0x1199, 0x9004)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
95 {USB_DEVICE(0x1199, 0x9005)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
96 {USB_DEVICE(0x1199, 0x9006)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
97 {USB_DEVICE(0x1199, 0x9007)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
98 {USB_DEVICE(0x1199, 0x9008)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
99 {USB_DEVICE(0x1199, 0x9009)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
100 {USB_DEVICE(0x1199, 0x900a)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
101 {USB_DEVICE(0x1199, 0x9011)}, /* Sierra Wireless Gobi 2000 Modem device (MC8305) */
102 {USB_DEVICE(0x16d8, 0x8001)}, /* CMDTech Gobi 2000 QDL device (VU922) */
103 {USB_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */
104 {USB_DEVICE(0x05c6, 0x9204)}, /* Gobi 2000 QDL device */
105 {USB_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */
107 /* Gobi 3000 devices */
108 {USB_DEVICE(0x03f0, 0x371d)}, /* HP un2430 Gobi 3000 QDL */
109 {USB_DEVICE(0x05c6, 0x920c)}, /* Gobi 3000 QDL */
110 {USB_DEVICE(0x05c6, 0x920d)}, /* Gobi 3000 Composite */
111 {USB_DEVICE(0x1410, 0xa020)}, /* Novatel Gobi 3000 QDL */
112 {USB_DEVICE(0x1410, 0xa021)}, /* Novatel Gobi 3000 Composite */
113 {USB_DEVICE(0x413c, 0x8193)}, /* Dell Gobi 3000 QDL */
114 {USB_DEVICE(0x413c, 0x8194)}, /* Dell Gobi 3000 Composite */
115 {USB_DEVICE(0x1199, 0x9010)}, /* Sierra Wireless Gobi 3000 QDL */
116 {USB_DEVICE(0x1199, 0x9012)}, /* Sierra Wireless Gobi 3000 QDL */
117 {USB_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */
118 {USB_DEVICE(0x1199, 0x9014)}, /* Sierra Wireless Gobi 3000 QDL */
119 {USB_DEVICE(0x1199, 0x9015)}, /* Sierra Wireless Gobi 3000 Modem device */
120 {USB_DEVICE(0x1199, 0x9018)}, /* Sierra Wireless Gobi 3000 QDL */
121 {USB_DEVICE(0x1199, 0x9019)}, /* Sierra Wireless Gobi 3000 Modem device */
122 {USB_DEVICE(0x12D1, 0x14F0)}, /* Sony Gobi 3000 QDL */
123 {USB_DEVICE(0x12D1, 0x14F1)}, /* Sony Gobi 3000 Composite */
124 {USB_DEVICE(0x0AF0, 0x8120)}, /* Option GTM681W */
125 { } /* Terminating entry */
127 MODULE_DEVICE_TABLE(usb, id_table);
129 static struct usb_driver qcdriver = {
131 .probe = usb_serial_probe,
132 .disconnect = usb_serial_disconnect,
133 .id_table = id_table,
134 .suspend = usb_serial_suspend,
135 .resume = usb_serial_resume,
136 .supports_autosuspend = true,
139 static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
141 struct usb_wwan_intf_private *data;
142 struct usb_host_interface *intf = serial->interface->cur_altsetting;
143 int retval = -ENODEV;
146 bool is_gobi1k = id->driver_info ? true : false;
149 dbg("Is Gobi 1000 = %d", is_gobi1k);
151 nintf = serial->dev->actconfig->desc.bNumInterfaces;
152 dbg("Num Interfaces = %d", nintf);
153 ifnum = intf->desc.bInterfaceNumber;
154 dbg("This Interface = %d", ifnum);
156 data = kzalloc(sizeof(struct usb_wwan_intf_private),
161 spin_lock_init(&data->susp_lock);
163 usb_enable_autosuspend(serial->dev);
168 /* Gobi 2000 has a single altsetting, older ones have two */
169 if (serial->interface->num_altsetting == 2)
170 intf = &serial->interface->altsetting[1];
171 else if (serial->interface->num_altsetting > 2)
174 if (intf->desc.bNumEndpoints == 2 &&
175 usb_endpoint_is_bulk_in(&intf->endpoint[0].desc) &&
176 usb_endpoint_is_bulk_out(&intf->endpoint[1].desc)) {
177 dbg("QDL port found");
179 if (serial->interface->num_altsetting == 1) {
180 retval = 0; /* Success */
184 retval = usb_set_interface(serial->dev, ifnum, 1);
186 dev_err(&serial->dev->dev,
187 "Could not set interface, error %d\n",
197 /* Composite mode; don't bind to the QMI/net interface as that
198 * gets handled by other drivers.
201 /* Gobi 1K USB layout:
202 * 0: serial port (doesn't respond)
203 * 1: serial port (doesn't respond)
204 * 2: AT-capable modem port
207 * Gobi 2K+ USB layout:
209 * 1: DM/DIAG (use libqcdm from ModemManager for communication)
210 * 2: AT-capable modem port
214 if (ifnum == 1 && !is_gobi1k) {
215 dbg("Gobi 2K+ DM/DIAG interface found");
216 retval = usb_set_interface(serial->dev, ifnum, 0);
218 dev_err(&serial->dev->dev,
219 "Could not set interface, error %d\n",
224 } else if (ifnum == 2) {
225 dbg("Modem port found");
226 retval = usb_set_interface(serial->dev, ifnum, 0);
228 dev_err(&serial->dev->dev,
229 "Could not set interface, error %d\n",
234 } else if (ifnum==3 && !is_gobi1k) {
236 * NMEA (serial line 9600 8N1)
237 * # echo "\$GPS_START" > /dev/ttyUSBx
238 * # echo "\$GPS_STOP" > /dev/ttyUSBx
240 dbg("Gobi 2K+ NMEA GPS interface found");
241 retval = usb_set_interface(serial->dev, ifnum, 0);
243 dev_err(&serial->dev->dev,
244 "Could not set interface, error %d\n",
253 dev_err(&serial->dev->dev,
254 "unknown number of interfaces: %d\n", nintf);
259 /* Set serial->private if not returning -ENODEV */
260 if (retval != -ENODEV)
261 usb_set_serial_data(serial, data);
265 static void qc_release(struct usb_serial *serial)
267 struct usb_wwan_intf_private *priv = usb_get_serial_data(serial);
271 /* Call usb_wwan release & free the private data allocated in qcprobe */
272 usb_wwan_release(serial);
273 usb_set_serial_data(serial, NULL);
277 static struct usb_serial_driver qcdevice = {
279 .owner = THIS_MODULE,
282 .description = "Qualcomm USB modem",
283 .id_table = id_table,
284 .usb_driver = &qcdriver,
287 .open = usb_wwan_open,
288 .close = usb_wwan_close,
289 .write = usb_wwan_write,
290 .write_room = usb_wwan_write_room,
291 .chars_in_buffer = usb_wwan_chars_in_buffer,
292 .attach = usb_wwan_startup,
293 .disconnect = usb_wwan_disconnect,
294 .release = qc_release,
296 .suspend = usb_wwan_suspend,
297 .resume = usb_wwan_resume,
301 static int __init qcinit(void)
305 retval = usb_serial_register(&qcdevice);
309 retval = usb_register(&qcdriver);
311 usb_serial_deregister(&qcdevice);
318 static void __exit qcexit(void)
320 usb_deregister(&qcdriver);
321 usb_serial_deregister(&qcdevice);
327 MODULE_AUTHOR(DRIVER_AUTHOR);
328 MODULE_DESCRIPTION(DRIVER_DESC);
329 MODULE_LICENSE("GPL v2");
331 module_param(debug, bool, S_IRUGO | S_IWUSR);
332 MODULE_PARM_DESC(debug, "Debug enabled or not");