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 Gobi Modem device */
41 {DEVICE_G1K(0x1410, 0xa008)}, /* Novatel Gobi QDL device */
42 {DEVICE_G1K(0x0b05, 0x1776)}, /* Asus Gobi Modem device */
43 {DEVICE_G1K(0x0b05, 0x1774)}, /* Asus Gobi QDL device */
44 {DEVICE_G1K(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */
45 {DEVICE_G1K(0x19d2, 0xfff2)}, /* ONDA Gobi QDL device */
46 {DEVICE_G1K(0x1557, 0x0a80)}, /* OQO Gobi QDL device */
47 {DEVICE_G1K(0x05c6, 0x9001)}, /* Generic Gobi Modem device */
48 {DEVICE_G1K(0x05c6, 0x9002)}, /* Generic Gobi Modem device */
49 {DEVICE_G1K(0x05c6, 0x9202)}, /* Generic Gobi Modem device */
50 {DEVICE_G1K(0x05c6, 0x9203)}, /* Generic Gobi Modem device */
51 {DEVICE_G1K(0x05c6, 0x9222)}, /* Generic Gobi Modem device */
52 {DEVICE_G1K(0x05c6, 0x9008)}, /* Generic Gobi QDL device */
53 {DEVICE_G1K(0x05c6, 0x9009)}, /* Generic Gobi Modem device */
54 {DEVICE_G1K(0x05c6, 0x9201)}, /* Generic Gobi QDL device */
55 {DEVICE_G1K(0x05c6, 0x9221)}, /* Generic Gobi QDL device */
56 {DEVICE_G1K(0x05c6, 0x9231)}, /* Generic Gobi QDL device */
57 {DEVICE_G1K(0x1f45, 0x0001)}, /* Unknown Gobi QDL device */
59 /* Gobi 2000 devices */
60 {USB_DEVICE(0x1410, 0xa010)}, /* Novatel Gobi 2000 QDL device */
61 {USB_DEVICE(0x1410, 0xa011)}, /* Novatel Gobi 2000 QDL device */
62 {USB_DEVICE(0x1410, 0xa012)}, /* Novatel Gobi 2000 QDL device */
63 {USB_DEVICE(0x1410, 0xa013)}, /* Novatel Gobi 2000 QDL device */
64 {USB_DEVICE(0x1410, 0xa014)}, /* Novatel Gobi 2000 QDL device */
65 {USB_DEVICE(0x413c, 0x8185)}, /* Dell Gobi 2000 QDL device (N0218, VU936) */
66 {USB_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */
67 {USB_DEVICE(0x05c6, 0x9208)}, /* Generic Gobi 2000 QDL device */
68 {USB_DEVICE(0x05c6, 0x920b)}, /* Generic Gobi 2000 Modem device */
69 {USB_DEVICE(0x05c6, 0x9224)}, /* Sony Gobi 2000 QDL device (N0279, VU730) */
70 {USB_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */
71 {USB_DEVICE(0x05c6, 0x9244)}, /* Samsung Gobi 2000 QDL device (VL176) */
72 {USB_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */
73 {USB_DEVICE(0x03f0, 0x241d)}, /* HP Gobi 2000 QDL device (VP412) */
74 {USB_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */
75 {USB_DEVICE(0x05c6, 0x9214)}, /* Acer Gobi 2000 QDL device (VP413) */
76 {USB_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */
77 {USB_DEVICE(0x05c6, 0x9264)}, /* Asus Gobi 2000 QDL device (VR305) */
78 {USB_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */
79 {USB_DEVICE(0x05c6, 0x9234)}, /* Top Global Gobi 2000 QDL device (VR306) */
80 {USB_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */
81 {USB_DEVICE(0x05c6, 0x9274)}, /* iRex Technologies Gobi 2000 QDL device (VR307) */
82 {USB_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */
83 {USB_DEVICE(0x1199, 0x9000)}, /* Sierra Wireless Gobi 2000 QDL device (VT773) */
84 {USB_DEVICE(0x1199, 0x9001)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
85 {USB_DEVICE(0x1199, 0x9002)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
86 {USB_DEVICE(0x1199, 0x9003)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
87 {USB_DEVICE(0x1199, 0x9004)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
88 {USB_DEVICE(0x1199, 0x9005)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
89 {USB_DEVICE(0x1199, 0x9006)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
90 {USB_DEVICE(0x1199, 0x9007)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
91 {USB_DEVICE(0x1199, 0x9008)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
92 {USB_DEVICE(0x1199, 0x9009)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
93 {USB_DEVICE(0x1199, 0x900a)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
94 {USB_DEVICE(0x1199, 0x9011)}, /* Sierra Wireless Gobi 2000 Modem device (MC8305) */
95 {USB_DEVICE(0x16d8, 0x8001)}, /* CMDTech Gobi 2000 QDL device (VU922) */
96 {USB_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */
97 {USB_DEVICE(0x05c6, 0x9204)}, /* Gobi 2000 QDL device */
98 {USB_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */
100 /* Gobi 3000 devices */
101 {USB_DEVICE(0x03f0, 0x371d)}, /* HP un2430 Gobi 3000 QDL */
102 {USB_DEVICE(0x05c6, 0x920c)}, /* Gobi 3000 QDL */
103 {USB_DEVICE(0x05c6, 0x920d)}, /* Gobi 3000 Composite */
104 {USB_DEVICE(0x1410, 0xa020)}, /* Novatel Gobi 3000 QDL */
105 {USB_DEVICE(0x1410, 0xa021)}, /* Novatel Gobi 3000 Composite */
106 {USB_DEVICE(0x413c, 0x8193)}, /* Dell Gobi 3000 QDL */
107 {USB_DEVICE(0x413c, 0x8194)}, /* Dell Gobi 3000 Composite */
108 {USB_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */
109 {USB_DEVICE(0x12D1, 0x14F0)}, /* Sony Gobi 3000 QDL */
110 {USB_DEVICE(0x12D1, 0x14F1)}, /* Sony Gobi 3000 Composite */
111 { } /* Terminating entry */
113 MODULE_DEVICE_TABLE(usb
, id_table
);
115 static int qcprobe(struct usb_serial
*serial
, const struct usb_device_id
*id
)
117 struct usb_wwan_intf_private
*data
;
118 struct usb_host_interface
*intf
= serial
->interface
->cur_altsetting
;
119 struct device
*dev
= &serial
->dev
->dev
;
120 int retval
= -ENODEV
;
123 bool is_gobi1k
= id
->driver_info
? true : false;
125 dev_dbg(dev
, "Is Gobi 1000 = %d\n", is_gobi1k
);
127 nintf
= serial
->dev
->actconfig
->desc
.bNumInterfaces
;
128 dev_dbg(dev
, "Num Interfaces = %d\n", nintf
);
129 ifnum
= intf
->desc
.bInterfaceNumber
;
130 dev_dbg(dev
, "This Interface = %d\n", ifnum
);
132 data
= kzalloc(sizeof(struct usb_wwan_intf_private
),
137 spin_lock_init(&data
->susp_lock
);
142 /* Gobi 2000 has a single altsetting, older ones have two */
143 if (serial
->interface
->num_altsetting
== 2)
144 intf
= &serial
->interface
->altsetting
[1];
145 else if (serial
->interface
->num_altsetting
> 2)
148 if (intf
->desc
.bNumEndpoints
== 2 &&
149 usb_endpoint_is_bulk_in(&intf
->endpoint
[0].desc
) &&
150 usb_endpoint_is_bulk_out(&intf
->endpoint
[1].desc
)) {
151 dev_dbg(dev
, "QDL port found\n");
153 if (serial
->interface
->num_altsetting
== 1) {
154 retval
= 0; /* Success */
158 retval
= usb_set_interface(serial
->dev
, ifnum
, 1);
161 "Could not set interface, error %d\n",
171 /* Composite mode; don't bind to the QMI/net interface as that
172 * gets handled by other drivers.
175 /* Gobi 1K USB layout:
176 * 0: serial port (doesn't respond)
177 * 1: serial port (doesn't respond)
178 * 2: AT-capable modem port
181 * Gobi 2K+ USB layout:
183 * 1: DM/DIAG (use libqcdm from ModemManager for communication)
184 * 2: AT-capable modem port
188 if (ifnum
== 1 && !is_gobi1k
) {
189 dev_dbg(dev
, "Gobi 2K+ DM/DIAG interface found\n");
190 retval
= usb_set_interface(serial
->dev
, ifnum
, 0);
193 "Could not set interface, error %d\n",
198 } else if (ifnum
== 2) {
199 dev_dbg(dev
, "Modem port found\n");
200 retval
= usb_set_interface(serial
->dev
, ifnum
, 0);
203 "Could not set interface, error %d\n",
208 } else if (ifnum
==3 && !is_gobi1k
) {
210 * NMEA (serial line 9600 8N1)
211 * # echo "\$GPS_START" > /dev/ttyUSBx
212 * # echo "\$GPS_STOP" > /dev/ttyUSBx
214 dev_dbg(dev
, "Gobi 2K+ NMEA GPS interface found\n");
215 retval
= usb_set_interface(serial
->dev
, ifnum
, 0);
218 "Could not set interface, error %d\n",
227 dev_err(dev
, "unknown number of interfaces: %d\n", nintf
);
232 /* Set serial->private if not returning -ENODEV */
233 if (retval
!= -ENODEV
)
234 usb_set_serial_data(serial
, data
);
238 static void qc_release(struct usb_serial
*serial
)
240 struct usb_wwan_intf_private
*priv
= usb_get_serial_data(serial
);
242 /* Call usb_wwan release & free the private data allocated in qcprobe */
243 usb_wwan_release(serial
);
244 usb_set_serial_data(serial
, NULL
);
248 static struct usb_serial_driver qcdevice
= {
250 .owner
= THIS_MODULE
,
253 .description
= "Qualcomm USB modem",
254 .id_table
= id_table
,
257 .open
= usb_wwan_open
,
258 .close
= usb_wwan_close
,
259 .write
= usb_wwan_write
,
260 .write_room
= usb_wwan_write_room
,
261 .chars_in_buffer
= usb_wwan_chars_in_buffer
,
262 .attach
= usb_wwan_startup
,
263 .disconnect
= usb_wwan_disconnect
,
264 .release
= qc_release
,
266 .suspend
= usb_wwan_suspend
,
267 .resume
= usb_wwan_resume
,
271 static struct usb_serial_driver
* const serial_drivers
[] = {
275 module_usb_serial_driver(serial_drivers
, id_table
);
277 MODULE_AUTHOR(DRIVER_AUTHOR
);
278 MODULE_DESCRIPTION(DRIVER_DESC
);
279 MODULE_LICENSE("GPL v2");
281 module_param(debug
, bool, S_IRUGO
| S_IWUSR
);
282 MODULE_PARM_DESC(debug
, "Debug enabled or not");