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
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
|
/*
* ZTE_EV USB serial driver
*
* Copyright (C) 2012 Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* Copyright (C) 2012 Linux Foundation
*
* 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.
*
* This driver is based on code found in a ZTE_ENV patch that modified
* the usb-serial generic driver. Comments were left in that I think
* show the commands used to talk to the device, but I am not sure.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/tty.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/usb.h>
#include <linux/usb/serial.h>
#include <linux/uaccess.h>
#define MAX_SETUP_DATA_SIZE 32
static void debug_data(struct device *dev, const char *function, int len,
const unsigned char *data, int result)
{
dev_dbg(dev, "result = %d\n", result);
if (result == len)
dev_dbg(dev, "%s - length = %d, data = %*ph\n", function,
len, len, data);
}
static int zte_ev_usb_serial_open(struct tty_struct *tty,
struct usb_serial_port *port)
{
struct usb_device *udev = port->serial->dev;
struct device *dev = &port->dev;
int result = 0;
int len;
unsigned char *buf;
buf = kmalloc(MAX_SETUP_DATA_SIZE, GFP_KERNEL);
if (!buf)
return -ENOMEM;
/* send 1st ctl cmd(CTL 21 22 01 00 00 00 00 00) */
len = 0;
result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
0x22, 0x21,
0x0001, 0x0000, NULL, len,
USB_CTRL_GET_TIMEOUT);
dev_dbg(dev, "result = %d\n", result);
/* send 2st cmd and recieve data */
/*
* 16.0 CTL a1 21 00 00 00 00 07 00 CLASS 25.1.0(5)
* 16.0 DI 00 96 00 00 00 00 08
*/
len = 0x0007;
result = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
0x21, 0xa1,
0x0000, 0x0000, buf, len,
USB_CTRL_GET_TIMEOUT);
debug_data(dev, __func__, len, buf, result);
/* send 3 cmd */
/*
* 16.0 CTL 21 20 00 00 00 00 07 00 CLASS 30.1.0
* 16.0 DO 80 25 00 00 00 00 08 .%..... 30.2.0
*/
len = 0x0007;
buf[0] = 0x80;
buf[1] = 0x25;
buf[2] = 0x00;
buf[3] = 0x00;
buf[4] = 0x00;
buf[5] = 0x00;
buf[6] = 0x08;
result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
0x20, 0x21,
0x0000, 0x0000, buf, len,
USB_CTRL_GET_TIMEOUT);
debug_data(dev, __func__, len, buf, result);
/* send 4 cmd */
/*
* 16.0 CTL 21 22 03 00 00 00 00 00
*/
len = 0;
result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
0x22, 0x21,
0x0003, 0x0000, NULL, len,
USB_CTRL_GET_TIMEOUT);
dev_dbg(dev, "result = %d\n", result);
/* send 5 cmd */
/*
* 16.0 CTL a1 21 00 00 00 00 07 00 CLASS 33.1.0
* 16.0 DI 80 25 00 00 00 00 08
*/
len = 0x0007;
result = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
0x21, 0xa1,
0x0000, 0x0000, buf, len,
USB_CTRL_GET_TIMEOUT);
debug_data(dev, __func__, len, buf, result);
/* send 6 cmd */
/*
* 16.0 CTL 21 20 00 00 00 00 07 00 CLASS 34.1.0
* 16.0 DO 80 25 00 00 00 00 08
*/
len = 0x0007;
buf[0] = 0x80;
buf[1] = 0x25;
buf[2] = 0x00;
buf[3] = 0x00;
buf[4] = 0x00;
buf[5] = 0x00;
buf[6] = 0x08;
result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
0x20, 0x21,
0x0000, 0x0000, buf, len,
USB_CTRL_GET_TIMEOUT);
debug_data(dev, __func__, len, buf, result);
kfree(buf);
return usb_serial_generic_open(tty, port);
}
/*
* CTL 21 22 02 00 00 00 00 00 CLASS 338.1.0
*
* 16.1 DI a1 20 00 00 00 00 02 00 02 00 . ........ 340.1.0
* 16.0 CTL 21 22 03 00 00 00 00 00 CLASS 341.1.0
*
* 16.0 CTL a1 21 00 00 00 00 07 00 CLASS 346.1.0(3)
* 16.0 DI 00 08 07 00 00 00 08 ....... 346.2.0
*
* 16.0 CTL 21 20 00 00 00 00 07 00 CLASS 349.1.0
* 16.0 DO 00 c2 01 00 00 00 08 ....... 349.2.0
*
* 16.0 CTL 21 22 03 00 00 00 00 00 CLASS 350.1.0(2)
*
* 16.0 CTL a1 21 00 00 00 00 07 00 CLASS 352.1.0
* 16.0 DI 00 c2 01 00 00 00 08 ....... 352.2.0
*
* 16.1 DI a1 20 00 00 00 00 02 00 02 00 . ........ 353.1.0
*
* 16.0 CTL 21 20 00 00 00 00 07 00 CLASS 354.1.0
* 16.0 DO 00 c2 01 00 00 00 08 ....... 354.2.0
*
* 16.0 CTL 21 22 03 00 00 00 00 00
*/
static void zte_ev_usb_serial_close(struct usb_serial_port *port)
{
struct usb_device *udev = port->serial->dev;
struct device *dev = &port->dev;
int result = 0;
int len;
unsigned char *buf;
buf = kmalloc(MAX_SETUP_DATA_SIZE, GFP_KERNEL);
if (!buf)
return;
/* send 1st ctl cmd(CTL 21 22 02 00 00 00 00 00) */
len = 0;
result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
0x22, 0x21,
0x0002, 0x0000, NULL, len,
USB_CTRL_GET_TIMEOUT);
dev_dbg(dev, "result = %d\n", result);
/* send 2st ctl cmd(CTL 21 22 03 00 00 00 00 00 ) */
len = 0;
result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
0x22, 0x21,
0x0003, 0x0000, NULL, len,
USB_CTRL_GET_TIMEOUT);
dev_dbg(dev, "result = %d\n", result);
/* send 3st cmd and recieve data */
/*
* 16.0 CTL a1 21 00 00 00 00 07 00 CLASS 25.1.0(5)
* 16.0 DI 00 08 07 00 00 00 08
*/
len = 0x0007;
result = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
0x21, 0xa1,
0x0000, 0x0000, buf, len,
USB_CTRL_GET_TIMEOUT);
debug_data(dev, __func__, len, buf, result);
/* send 4 cmd */
/*
* 16.0 CTL 21 20 00 00 00 00 07 00 CLASS 30.1.0
* 16.0 DO 00 c2 01 00 00 00 08 .%..... 30.2.0
*/
len = 0x0007;
buf[0] = 0x00;
buf[1] = 0xc2;
buf[2] = 0x01;
buf[3] = 0x00;
buf[4] = 0x00;
buf[5] = 0x00;
buf[6] = 0x08;
result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
0x20, 0x21,
0x0000, 0x0000, buf, len,
USB_CTRL_GET_TIMEOUT);
debug_data(dev, __func__, len, buf, result);
/* send 5 cmd */
/*
* 16.0 CTL 21 22 03 00 00 00 00 00
*/
len = 0;
result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
0x22, 0x21,
0x0003, 0x0000, NULL, len,
USB_CTRL_GET_TIMEOUT);
dev_dbg(dev, "result = %d\n", result);
/* send 6 cmd */
/*
* 16.0 CTL a1 21 00 00 00 00 07 00 CLASS 33.1.0
* 16.0 DI 00 c2 01 00 00 00 08
*/
len = 0x0007;
result = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
0x21, 0xa1,
0x0000, 0x0000, buf, len,
USB_CTRL_GET_TIMEOUT);
debug_data(dev, __func__, len, buf, result);
/* send 7 cmd */
/*
* 16.0 CTL 21 20 00 00 00 00 07 00 CLASS 354.1.0
* 16.0 DO 00 c2 01 00 00 00 08 ....... 354.2.0
*/
len = 0x0007;
buf[0] = 0x00;
buf[1] = 0xc2;
buf[2] = 0x01;
buf[3] = 0x00;
buf[4] = 0x00;
buf[5] = 0x00;
buf[6] = 0x08;
result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
0x20, 0x21,
0x0000, 0x0000, buf, len,
USB_CTRL_GET_TIMEOUT);
debug_data(dev, __func__, len, buf, result);
/* send 8 cmd */
/*
* 16.0 CTL 21 22 03 00 00 00 00 00
*/
len = 0;
result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
0x22, 0x21,
0x0003, 0x0000, NULL, len,
USB_CTRL_GET_TIMEOUT);
dev_dbg(dev, "result = %d\n", result);
kfree(buf);
usb_serial_generic_close(port);
}
static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x19d2, 0xffff) }, /* AC8700 */
{ USB_DEVICE(0x19d2, 0xfffe) },
{ USB_DEVICE(0x19d2, 0xfffd) }, /* MG880 */
{ USB_DEVICE(0x05C6, 0x3197) },
{ USB_DEVICE(0x05C6, 0x6000) },
{ },
};
MODULE_DEVICE_TABLE(usb, id_table);
static struct usb_serial_driver zio_device = {
.driver = {
.owner = THIS_MODULE,
.name = "zte_ev",
},
.id_table = id_table,
.num_ports = 1,
.open = zte_ev_usb_serial_open,
.close = zte_ev_usb_serial_close,
};
static struct usb_serial_driver * const serial_drivers[] = {
&zio_device, NULL
};
module_usb_serial_driver(serial_drivers, id_table);
MODULE_LICENSE("GPL v2");
|