1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
|
/*
* Qualcomm Serial USB driver
*
* Copyright (c) 2008 QUALCOMM Incorporated.
* Copyright (c) 2009 Greg Kroah-Hartman <gregkh@suse.de>
* Copyright (c) 2009 Novell Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 as published by the Free Software Foundation.
*
*/
#include <linux/tty.h>
#include <linux/tty_flip.h>
#include <linux/usb.h>
#include <linux/usb/serial.h>
#include <linux/slab.h>
#include "usb-wwan.h"
#define DRIVER_AUTHOR "Qualcomm Inc"
#define DRIVER_DESC "Qualcomm USB Serial driver"
static int debug;
static const struct usb_device_id id_table[] = {
{USB_DEVICE(0x05c6, 0x9211)}, /* Acer Gobi QDL device */
{USB_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */
{USB_DEVICE(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */
{USB_DEVICE(0x03f0, 0x201d)}, /* HP un2400 Gobi QDL Device */
{USB_DEVICE(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */
{USB_DEVICE(0x04da, 0x250c)}, /* Panasonic Gobi QDL device */
{USB_DEVICE(0x413c, 0x8172)}, /* Dell Gobi Modem device */
{USB_DEVICE(0x413c, 0x8171)}, /* Dell Gobi QDL device */
{USB_DEVICE(0x1410, 0xa001)}, /* Novatel Gobi Modem device */
{USB_DEVICE(0x1410, 0xa008)}, /* Novatel Gobi QDL device */
{USB_DEVICE(0x0b05, 0x1776)}, /* Asus Gobi Modem device */
{USB_DEVICE(0x0b05, 0x1774)}, /* Asus Gobi QDL device */
{USB_DEVICE(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */
{USB_DEVICE(0x19d2, 0xfff2)}, /* ONDA Gobi QDL device */
{USB_DEVICE(0x1557, 0x0a80)}, /* OQO Gobi QDL device */
{USB_DEVICE(0x05c6, 0x9001)}, /* Generic Gobi Modem device */
{USB_DEVICE(0x05c6, 0x9002)}, /* Generic Gobi Modem device */
{USB_DEVICE(0x05c6, 0x9202)}, /* Generic Gobi Modem device */
{USB_DEVICE(0x05c6, 0x9203)}, /* Generic Gobi Modem device */
{USB_DEVICE(0x05c6, 0x9222)}, /* Generic Gobi Modem device */
{USB_DEVICE(0x05c6, 0x9008)}, /* Generic Gobi QDL device */
{USB_DEVICE(0x05c6, 0x9201)}, /* Generic Gobi QDL device */
{USB_DEVICE(0x05c6, 0x9221)}, /* Generic Gobi QDL device */
{USB_DEVICE(0x05c6, 0x9231)}, /* Generic Gobi QDL device */
{USB_DEVICE(0x1f45, 0x0001)}, /* Unknown Gobi QDL device */
{USB_DEVICE(0x413c, 0x8185)}, /* Dell Gobi 2000 QDL device (N0218, VU936) */
{USB_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */
{USB_DEVICE(0x05c6, 0x9208)}, /* Generic Gobi 2000 QDL device */
{USB_DEVICE(0x05c6, 0x920b)}, /* Generic Gobi 2000 Modem device */
{USB_DEVICE(0x05c6, 0x9224)}, /* Sony Gobi 2000 QDL device (N0279, VU730) */
{USB_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */
{USB_DEVICE(0x05c6, 0x9244)}, /* Samsung Gobi 2000 QDL device (VL176) */
{USB_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */
{USB_DEVICE(0x03f0, 0x241d)}, /* HP Gobi 2000 QDL device (VP412) */
{USB_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */
{USB_DEVICE(0x05c6, 0x9214)}, /* Acer Gobi 2000 QDL device (VP413) */
{USB_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */
{USB_DEVICE(0x05c6, 0x9264)}, /* Asus Gobi 2000 QDL device (VR305) */
{USB_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */
{USB_DEVICE(0x05c6, 0x9234)}, /* Top Global Gobi 2000 QDL device (VR306) */
{USB_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */
{USB_DEVICE(0x05c6, 0x9274)}, /* iRex Technologies Gobi 2000 QDL device (VR307) */
{USB_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */
{USB_DEVICE(0x1199, 0x9000)}, /* Sierra Wireless Gobi 2000 QDL device (VT773) */
{USB_DEVICE(0x1199, 0x9001)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
{USB_DEVICE(0x1199, 0x9002)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
{USB_DEVICE(0x1199, 0x9003)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
{USB_DEVICE(0x1199, 0x9004)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
{USB_DEVICE(0x1199, 0x9005)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
{USB_DEVICE(0x1199, 0x9006)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
{USB_DEVICE(0x1199, 0x9007)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
{USB_DEVICE(0x1199, 0x9008)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
{USB_DEVICE(0x1199, 0x9009)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
{USB_DEVICE(0x1199, 0x900a)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
{USB_DEVICE(0x16d8, 0x8001)}, /* CMDTech Gobi 2000 QDL device (VU922) */
{USB_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */
{USB_DEVICE(0x05c6, 0x9204)}, /* Gobi 2000 QDL device */
{USB_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, id_table);
static struct usb_driver qcdriver = {
.name = "qcserial",
.probe = usb_serial_probe,
.disconnect = usb_serial_disconnect,
.id_table = id_table,
.suspend = usb_serial_suspend,
.resume = usb_serial_resume,
.supports_autosuspend = true,
};
static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
{
struct usb_wwan_intf_private *data;
struct usb_host_interface *intf = serial->interface->cur_altsetting;
int retval = -ENODEV;
__u8 nintf;
__u8 ifnum;
dbg("%s", __func__);
nintf = serial->dev->actconfig->desc.bNumInterfaces;
dbg("Num Interfaces = %d", nintf);
ifnum = intf->desc.bInterfaceNumber;
dbg("This Interface = %d", ifnum);
data = serial->private = kzalloc(sizeof(struct usb_wwan_intf_private),
GFP_KERNEL);
if (!data)
return -ENOMEM;
spin_lock_init(&data->susp_lock);
usb_enable_autosuspend(serial->dev);
switch (nintf) {
case 1:
/* QDL mode */
/* Gobi 2000 has a single altsetting, older ones have two */
if (serial->interface->num_altsetting == 2)
intf = &serial->interface->altsetting[1];
else if (serial->interface->num_altsetting > 2)
break;
if (intf->desc.bNumEndpoints == 2 &&
usb_endpoint_is_bulk_in(&intf->endpoint[0].desc) &&
usb_endpoint_is_bulk_out(&intf->endpoint[1].desc)) {
dbg("QDL port found");
if (serial->interface->num_altsetting == 1)
return 0;
retval = usb_set_interface(serial->dev, ifnum, 1);
if (retval < 0) {
dev_err(&serial->dev->dev,
"Could not set interface, error %d\n",
retval);
retval = -ENODEV;
kfree(data);
}
return retval;
}
break;
case 3:
case 4:
/* Composite mode */
/* ifnum == 0 is a broadband network adapter */
if (ifnum == 1) {
/*
* Diagnostics Monitor (serial line 9600 8N1)
* Qualcomm DM protocol
* use "libqcdm" (ModemManager) for communication
*/
dbg("Diagnostics Monitor found");
retval = usb_set_interface(serial->dev, ifnum, 0);
if (retval < 0) {
dev_err(&serial->dev->dev,
"Could not set interface, error %d\n",
retval);
retval = -ENODEV;
}
} else if (ifnum == 2) {
dbg("Modem port found");
retval = usb_set_interface(serial->dev, ifnum, 0);
if (retval < 0) {
dev_err(&serial->dev->dev,
"Could not set interface, error %d\n",
retval);
retval = -ENODEV;
kfree(data);
}
return retval;
} else if (ifnum==3) {
/*
* NMEA (serial line 9600 8N1)
* # echo "\$GPS_START" > /dev/ttyUSBx
* # echo "\$GPS_STOP" > /dev/ttyUSBx
*/
dbg("NMEA GPS interface found");
retval = usb_set_interface(serial->dev, ifnum, 0);
if (retval < 0) {
dev_err(&serial->dev->dev,
"Could not set interface, error %d\n",
retval);
retval = -ENODEV;
}
}
break;
default:
dev_err(&serial->dev->dev,
"unknown number of interfaces: %d\n", nintf);
kfree(data);
return -ENODEV;
}
return retval;
}
static void qc_release(struct usb_serial *serial)
{
struct usb_wwan_intf_private *priv = usb_get_serial_data(serial);
dbg("%s", __func__);
/* Call usb_wwan release & free the private data allocated in qcprobe */
usb_wwan_release(serial);
usb_set_serial_data(serial, NULL);
kfree(priv);
}
static struct usb_serial_driver qcdevice = {
.driver = {
.owner = THIS_MODULE,
.name = "qcserial",
},
.description = "Qualcomm USB modem",
.id_table = id_table,
.usb_driver = &qcdriver,
.num_ports = 1,
.probe = qcprobe,
.open = usb_wwan_open,
.close = usb_wwan_close,
.write = usb_wwan_write,
.write_room = usb_wwan_write_room,
.chars_in_buffer = usb_wwan_chars_in_buffer,
.attach = usb_wwan_startup,
.disconnect = usb_wwan_disconnect,
.release = qc_release,
#ifdef CONFIG_PM
.suspend = usb_wwan_suspend,
.resume = usb_wwan_resume,
#endif
};
static int __init qcinit(void)
{
int retval;
retval = usb_serial_register(&qcdevice);
if (retval)
return retval;
retval = usb_register(&qcdriver);
if (retval) {
usb_serial_deregister(&qcdevice);
return retval;
}
return 0;
}
static void __exit qcexit(void)
{
usb_deregister(&qcdriver);
usb_serial_deregister(&qcdevice);
}
module_init(qcinit);
module_exit(qcexit);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL v2");
module_param(debug, bool, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(debug, "Debug enabled or not");
|
