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"
25 /* standard device layouts supported by this driver */
26 enum qcserial_layouts {
27 QCSERIAL_G2K = 0, /* Gobi 2000 */
28 QCSERIAL_G1K = 1, /* Gobi 1000 */
31 #define DEVICE_G1K(v, p) \
32 USB_DEVICE(v, p), .driver_info = QCSERIAL_G1K
34 static const struct usb_device_id id_table[] = {
35 /* Gobi 1000 devices */
36 {DEVICE_G1K(0x05c6, 0x9211)}, /* Acer Gobi QDL device */
37 {DEVICE_G1K(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */
38 {DEVICE_G1K(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */
39 {DEVICE_G1K(0x03f0, 0x201d)}, /* HP un2400 Gobi QDL Device */
40 {DEVICE_G1K(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */
41 {DEVICE_G1K(0x04da, 0x250c)}, /* Panasonic Gobi QDL device */
42 {DEVICE_G1K(0x413c, 0x8172)}, /* Dell Gobi Modem device */
43 {DEVICE_G1K(0x413c, 0x8171)}, /* Dell Gobi QDL device */
44 {DEVICE_G1K(0x1410, 0xa001)}, /* Novatel/Verizon USB-1000 */
45 {DEVICE_G1K(0x1410, 0xa002)}, /* Novatel Gobi Modem device */
46 {DEVICE_G1K(0x1410, 0xa003)}, /* Novatel Gobi Modem device */
47 {DEVICE_G1K(0x1410, 0xa004)}, /* Novatel Gobi Modem device */
48 {DEVICE_G1K(0x1410, 0xa005)}, /* Novatel Gobi Modem device */
49 {DEVICE_G1K(0x1410, 0xa006)}, /* Novatel Gobi Modem device */
50 {DEVICE_G1K(0x1410, 0xa007)}, /* Novatel Gobi Modem device */
51 {DEVICE_G1K(0x1410, 0xa008)}, /* Novatel Gobi QDL device */
52 {DEVICE_G1K(0x0b05, 0x1776)}, /* Asus Gobi Modem device */
53 {DEVICE_G1K(0x0b05, 0x1774)}, /* Asus Gobi QDL device */
54 {DEVICE_G1K(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */
55 {DEVICE_G1K(0x19d2, 0xfff2)}, /* ONDA Gobi QDL device */
56 {DEVICE_G1K(0x1557, 0x0a80)}, /* OQO Gobi QDL device */
57 {DEVICE_G1K(0x05c6, 0x9001)}, /* Generic Gobi Modem device */
58 {DEVICE_G1K(0x05c6, 0x9002)}, /* Generic Gobi Modem device */
59 {DEVICE_G1K(0x05c6, 0x9202)}, /* Generic Gobi Modem device */
60 {DEVICE_G1K(0x05c6, 0x9203)}, /* Generic Gobi Modem device */
61 {DEVICE_G1K(0x05c6, 0x9222)}, /* Generic Gobi Modem device */
62 {DEVICE_G1K(0x05c6, 0x9008)}, /* Generic Gobi QDL device */
63 {DEVICE_G1K(0x05c6, 0x9009)}, /* Generic Gobi Modem device */
64 {DEVICE_G1K(0x05c6, 0x9201)}, /* Generic Gobi QDL device */
65 {DEVICE_G1K(0x05c6, 0x9221)}, /* Generic Gobi QDL device */
66 {DEVICE_G1K(0x05c6, 0x9231)}, /* Generic Gobi QDL device */
67 {DEVICE_G1K(0x1f45, 0x0001)}, /* Unknown Gobi QDL device */
68 {DEVICE_G1K(0x1bc7, 0x900e)}, /* Telit Gobi QDL device */
70 /* Gobi 2000 devices */
71 {USB_DEVICE(0x1410, 0xa010)}, /* Novatel Gobi 2000 QDL device */
72 {USB_DEVICE(0x1410, 0xa011)}, /* Novatel Gobi 2000 QDL device */
73 {USB_DEVICE(0x1410, 0xa012)}, /* Novatel Gobi 2000 QDL device */
74 {USB_DEVICE(0x1410, 0xa013)}, /* Novatel Gobi 2000 QDL device */
75 {USB_DEVICE(0x1410, 0xa014)}, /* Novatel Gobi 2000 QDL device */
76 {USB_DEVICE(0x413c, 0x8185)}, /* Dell Gobi 2000 QDL device (N0218, VU936) */
77 {USB_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */
78 {USB_DEVICE(0x05c6, 0x9208)}, /* Generic Gobi 2000 QDL device */
79 {USB_DEVICE(0x05c6, 0x920b)}, /* Generic Gobi 2000 Modem device */
80 {USB_DEVICE(0x05c6, 0x9224)}, /* Sony Gobi 2000 QDL device (N0279, VU730) */
81 {USB_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */
82 {USB_DEVICE(0x05c6, 0x9244)}, /* Samsung Gobi 2000 QDL device (VL176) */
83 {USB_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */
84 {USB_DEVICE(0x03f0, 0x241d)}, /* HP Gobi 2000 QDL device (VP412) */
85 {USB_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */
86 {USB_DEVICE(0x05c6, 0x9214)}, /* Acer Gobi 2000 QDL device (VP413) */
87 {USB_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */
88 {USB_DEVICE(0x05c6, 0x9264)}, /* Asus Gobi 2000 QDL device (VR305) */
89 {USB_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */
90 {USB_DEVICE(0x05c6, 0x9234)}, /* Top Global Gobi 2000 QDL device (VR306) */
91 {USB_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */
92 {USB_DEVICE(0x05c6, 0x9274)}, /* iRex Technologies Gobi 2000 QDL device (VR307) */
93 {USB_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */
94 {USB_DEVICE(0x1199, 0x9000)}, /* Sierra Wireless Gobi 2000 QDL device (VT773) */
95 {USB_DEVICE(0x1199, 0x9001)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
96 {USB_DEVICE(0x1199, 0x9002)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
97 {USB_DEVICE(0x1199, 0x9003)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
98 {USB_DEVICE(0x1199, 0x9004)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
99 {USB_DEVICE(0x1199, 0x9005)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
100 {USB_DEVICE(0x1199, 0x9006)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
101 {USB_DEVICE(0x1199, 0x9007)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
102 {USB_DEVICE(0x1199, 0x9008)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
103 {USB_DEVICE(0x1199, 0x9009)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
104 {USB_DEVICE(0x1199, 0x900a)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
105 {USB_DEVICE(0x1199, 0x9011)}, /* Sierra Wireless Gobi 2000 Modem device (MC8305) */
106 {USB_DEVICE(0x16d8, 0x8001)}, /* CMDTech Gobi 2000 QDL device (VU922) */
107 {USB_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */
108 {USB_DEVICE(0x05c6, 0x9204)}, /* Gobi 2000 QDL device */
109 {USB_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */
111 /* Gobi 3000 devices */
112 {USB_DEVICE(0x03f0, 0x371d)}, /* HP un2430 Gobi 3000 QDL */
113 {USB_DEVICE(0x05c6, 0x920c)}, /* Gobi 3000 QDL */
114 {USB_DEVICE(0x05c6, 0x920d)}, /* Gobi 3000 Composite */
115 {USB_DEVICE(0x1410, 0xa020)}, /* Novatel Gobi 3000 QDL */
116 {USB_DEVICE(0x1410, 0xa021)}, /* Novatel Gobi 3000 Composite */
117 {USB_DEVICE(0x413c, 0x8193)}, /* Dell Gobi 3000 QDL */
118 {USB_DEVICE(0x413c, 0x8194)}, /* Dell Gobi 3000 Composite */
119 {USB_DEVICE(0x1199, 0x68a4)}, /* Sierra Wireless QDL */
120 {USB_DEVICE(0x1199, 0x68a5)}, /* Sierra Wireless Modem */
121 {USB_DEVICE(0x1199, 0x68a8)}, /* Sierra Wireless QDL */
122 {USB_DEVICE(0x1199, 0x68a9)}, /* Sierra Wireless Modem */
123 {USB_DEVICE(0x1199, 0x9010)}, /* Sierra Wireless Gobi 3000 QDL */
124 {USB_DEVICE(0x1199, 0x9012)}, /* Sierra Wireless Gobi 3000 QDL */
125 {USB_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */
126 {USB_DEVICE(0x1199, 0x9014)}, /* Sierra Wireless Gobi 3000 QDL */
127 {USB_DEVICE(0x1199, 0x9015)}, /* Sierra Wireless Gobi 3000 Modem device */
128 {USB_DEVICE(0x1199, 0x9018)}, /* Sierra Wireless Gobi 3000 QDL */
129 {USB_DEVICE(0x1199, 0x9019)}, /* Sierra Wireless Gobi 3000 Modem device */
130 {USB_DEVICE(0x1199, 0x901b)}, /* Sierra Wireless MC7770 */
131 {USB_DEVICE(0x12D1, 0x14F0)}, /* Sony Gobi 3000 QDL */
132 {USB_DEVICE(0x12D1, 0x14F1)}, /* Sony Gobi 3000 Composite */
133 {USB_DEVICE(0x0AF0, 0x8120)}, /* Option GTM681W */
135 /* non Gobi Qualcomm serial devices */
136 {USB_DEVICE_INTERFACE_NUMBER(0x0f3d, 0x68a2, 0)}, /* Sierra Wireless MC7700 Device Management */
137 {USB_DEVICE_INTERFACE_NUMBER(0x0f3d, 0x68a2, 2)}, /* Sierra Wireless MC7700 NMEA */
138 {USB_DEVICE_INTERFACE_NUMBER(0x0f3d, 0x68a2, 3)}, /* Sierra Wireless MC7700 Modem */
139 {USB_DEVICE_INTERFACE_NUMBER(0x114f, 0x68a2, 0)}, /* Sierra Wireless MC7750 Device Management */
140 {USB_DEVICE_INTERFACE_NUMBER(0x114f, 0x68a2, 2)}, /* Sierra Wireless MC7750 NMEA */
141 {USB_DEVICE_INTERFACE_NUMBER(0x114f, 0x68a2, 3)}, /* Sierra Wireless MC7750 Modem */
142 {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68a2, 0)}, /* Sierra Wireless MC7710 Device Management */
143 {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68a2, 2)}, /* Sierra Wireless MC7710 NMEA */
144 {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68a2, 3)}, /* Sierra Wireless MC7710 Modem */
145 {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68c0, 0)}, /* Sierra Wireless MC73xx Device Management */
146 {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68c0, 2)}, /* Sierra Wireless MC73xx NMEA */
147 {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68c0, 3)}, /* Sierra Wireless MC73xx Modem */
148 {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 0)}, /* Sierra Wireless EM7700 Device Management */
149 {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 2)}, /* Sierra Wireless EM7700 NMEA */
150 {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 3)}, /* Sierra Wireless EM7700 Modem */
151 {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901f, 0)}, /* Sierra Wireless EM7355 Device Management */
152 {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901f, 2)}, /* Sierra Wireless EM7355 NMEA */
153 {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901f, 3)}, /* Sierra Wireless EM7355 Modem */
154 {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9041, 0)}, /* Sierra Wireless MC7305/MC7355 Device Management */
155 {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9041, 2)}, /* Sierra Wireless MC7305/MC7355 NMEA */
156 {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9041, 3)}, /* Sierra Wireless MC7305/MC7355 Modem */
157 {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 0)}, /* Netgear AirCard 340U Device Management */
158 {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 2)}, /* Netgear AirCard 340U NMEA */
159 {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 3)}, /* Netgear AirCard 340U Modem */
160 {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a2, 0)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card Device Management */
161 {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a2, 2)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card NMEA */
162 {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a2, 3)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card Modem */
163 {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a3, 0)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card Device Management */
164 {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a3, 2)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card NMEA */
165 {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a3, 3)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card Modem */
166 {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a4, 0)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card Device Management */
167 {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a4, 2)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card NMEA */
168 {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a4, 3)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card Modem */
169 {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a8, 0)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card Device Management */
170 {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a8, 2)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card NMEA */
171 {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a8, 3)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card Modem */
172 {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a9, 0)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card Device Management */
173 {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a9, 2)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card NMEA */
174 {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a9, 3)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card Modem */
176 { } /* Terminating entry */
178 MODULE_DEVICE_TABLE(usb, id_table);
180 static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
182 struct usb_host_interface *intf = serial->interface->cur_altsetting;
183 struct device *dev = &serial->dev->dev;
184 int retval = -ENODEV;
189 nintf = serial->dev->actconfig->desc.bNumInterfaces;
190 dev_dbg(dev, "Num Interfaces = %d\n", nintf);
191 ifnum = intf->desc.bInterfaceNumber;
192 dev_dbg(dev, "This Interface = %d\n", ifnum);
196 /* Gobi 2000 has a single altsetting, older ones have two */
197 if (serial->interface->num_altsetting == 2)
198 intf = &serial->interface->altsetting[1];
199 else if (serial->interface->num_altsetting > 2)
202 if (intf->desc.bNumEndpoints == 2 &&
203 usb_endpoint_is_bulk_in(&intf->endpoint[0].desc) &&
204 usb_endpoint_is_bulk_out(&intf->endpoint[1].desc)) {
205 dev_dbg(dev, "QDL port found\n");
207 if (serial->interface->num_altsetting == 1)
208 retval = 0; /* Success */
216 /* allow any number of interfaces when doing direct interface match */
217 if (id->match_flags & USB_DEVICE_ID_MATCH_INT_NUMBER) {
218 dev_dbg(dev, "Generic Qualcomm serial interface found\n");
223 if (nintf < 3 || nintf > 4) {
224 dev_err(dev, "unknown number of interfaces: %d\n", nintf);
228 /* default to enabling interface */
232 * Composite mode; don't bind to the QMI/net interface as that
233 * gets handled by other drivers.
236 switch (id->driver_info) {
239 * Gobi 1K USB layout:
240 * 0: DM/DIAG (use libqcdm from ModemManager for communication)
241 * 1: serial port (doesn't respond)
242 * 2: AT-capable modem port
246 dev_dbg(dev, "Gobi 1K DM/DIAG interface found\n");
248 } else if (ifnum == 2)
249 dev_dbg(dev, "Modem port found\n");
255 * Gobi 2K+ USB layout:
257 * 1: DM/DIAG (use libqcdm from ModemManager for communication)
258 * 2: AT-capable modem port
263 /* Don't claim the QMI/net interface */
267 dev_dbg(dev, "Gobi 2K+ DM/DIAG interface found\n");
270 dev_dbg(dev, "Modem port found\n");
274 * NMEA (serial line 9600 8N1)
275 * # echo "\$GPS_START" > /dev/ttyUSBx
276 * # echo "\$GPS_STOP" > /dev/ttyUSBx
278 dev_dbg(dev, "Gobi 2K+ NMEA GPS interface found\n");
283 dev_err(dev, "unsupported device layout type: %lu\n",
289 if (altsetting >= 0) {
290 retval = usb_set_interface(serial->dev, ifnum, altsetting);
293 "Could not set interface, error %d\n",
302 static int qc_attach(struct usb_serial *serial)
304 struct usb_wwan_intf_private *data;
306 data = kzalloc(sizeof(*data), GFP_KERNEL);
310 spin_lock_init(&data->susp_lock);
312 usb_set_serial_data(serial, data);
317 static void qc_release(struct usb_serial *serial)
319 struct usb_wwan_intf_private *priv = usb_get_serial_data(serial);
321 usb_set_serial_data(serial, NULL);
325 static struct usb_serial_driver qcdevice = {
327 .owner = THIS_MODULE,
330 .description = "Qualcomm USB modem",
331 .id_table = id_table,
334 .open = usb_wwan_open,
335 .close = usb_wwan_close,
336 .write = usb_wwan_write,
337 .write_room = usb_wwan_write_room,
338 .chars_in_buffer = usb_wwan_chars_in_buffer,
340 .release = qc_release,
341 .port_probe = usb_wwan_port_probe,
342 .port_remove = usb_wwan_port_remove,
344 .suspend = usb_wwan_suspend,
345 .resume = usb_wwan_resume,
349 static struct usb_serial_driver * const serial_drivers[] = {
353 module_usb_serial_driver(serial_drivers, id_table);
355 MODULE_AUTHOR(DRIVER_AUTHOR);
356 MODULE_DESCRIPTION(DRIVER_DESC);
357 MODULE_LICENSE("GPL v2");