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
|
/*
* DVB USB Linux driver for Alcor Micro AU6610 DVB-T USB2.0.
*
* Copyright (C) 2006 Antti Palosaari <crope@iki.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "au6610.h"
#include "zl10353.h"
#include "qt1010.h"
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
static int au6610_usb_msg(struct dvb_usb_device *d, u8 operation, u8 addr,
u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
{
int ret;
u16 index;
u8 *usb_buf;
/*
* allocate enough for all known requests,
* read returns 5 and write 6 bytes
*/
usb_buf = kmalloc(6, GFP_KERNEL);
if (!usb_buf)
return -ENOMEM;
switch (wlen) {
case 1:
index = wbuf[0] << 8;
break;
case 2:
index = wbuf[0] << 8;
index += wbuf[1];
break;
default:
pr_err("%s: wlen = %d, aborting\n", KBUILD_MODNAME, wlen);
ret = -EINVAL;
goto error;
}
ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), operation,
USB_TYPE_VENDOR|USB_DIR_IN, addr << 1, index,
usb_buf, 6, AU6610_USB_TIMEOUT);
if (ret < 0)
goto error;
switch (operation) {
case AU6610_REQ_I2C_READ:
case AU6610_REQ_USB_READ:
/* requested value is always 5th byte in buffer */
rbuf[0] = usb_buf[4];
}
error:
kfree(usb_buf);
return ret;
}
static int au6610_i2c_msg(struct dvb_usb_device *d, u8 addr,
u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
{
u8 request;
u8 wo = (rbuf == NULL || rlen == 0); /* write-only */
if (wo) {
request = AU6610_REQ_I2C_WRITE;
} else { /* rw */
request = AU6610_REQ_I2C_READ;
}
return au6610_usb_msg(d, request, addr, wbuf, wlen, rbuf, rlen);
}
/* I2C */
static int au6610_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
int num)
{
struct dvb_usb_device *d = i2c_get_adapdata(adap);
int i;
if (num > 2)
return -EINVAL;
if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
return -EAGAIN;
for (i = 0; i < num; i++) {
/* write/read request */
if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
if (au6610_i2c_msg(d, msg[i].addr, msg[i].buf,
msg[i].len, msg[i+1].buf,
msg[i+1].len) < 0)
break;
i++;
} else if (au6610_i2c_msg(d, msg[i].addr, msg[i].buf,
msg[i].len, NULL, 0) < 0)
break;
}
mutex_unlock(&d->i2c_mutex);
return i;
}
static u32 au6610_i2c_func(struct i2c_adapter *adapter)
{
return I2C_FUNC_I2C;
}
static struct i2c_algorithm au6610_i2c_algo = {
.master_xfer = au6610_i2c_xfer,
.functionality = au6610_i2c_func,
};
/* Callbacks for DVB USB */
static struct zl10353_config au6610_zl10353_config = {
.demod_address = 0x0f,
.no_tuner = 1,
.parallel_ts = 1,
};
static int au6610_zl10353_frontend_attach(struct dvb_usb_adapter *adap)
{
adap->fe[0] = dvb_attach(zl10353_attach, &au6610_zl10353_config,
&adap_to_d(adap)->i2c_adap);
if (adap->fe[0] == NULL)
return -ENODEV;
return 0;
}
static struct qt1010_config au6610_qt1010_config = {
.i2c_address = 0x62
};
static int au6610_qt1010_tuner_attach(struct dvb_usb_adapter *adap)
{
return dvb_attach(qt1010_attach, adap->fe[0],
&adap_to_d(adap)->i2c_adap,
&au6610_qt1010_config) == NULL ? -ENODEV : 0;
}
static int au6610_init(struct dvb_usb_device *d)
{
/* TODO: this functionality belongs likely to the streaming control */
/* bInterfaceNumber 0, bAlternateSetting 5 */
return usb_set_interface(d->udev, 0, 5);
}
static struct dvb_usb_device_properties au6610_props = {
.driver_name = KBUILD_MODNAME,
.owner = THIS_MODULE,
.adapter_nr = adapter_nr,
.i2c_algo = &au6610_i2c_algo,
.frontend_attach = au6610_zl10353_frontend_attach,
.tuner_attach = au6610_qt1010_tuner_attach,
.init = au6610_init,
.num_adapters = 1,
.adapter = {
{
.stream = DVB_USB_STREAM_ISOC(0x82, 5, 40, 942, 1),
},
},
};
static const struct usb_device_id au6610_id_table[] = {
{ DVB_USB_DEVICE(USB_VID_ALCOR_MICRO, USB_PID_SIGMATEK_DVB_110,
&au6610_props, "Sigmatek DVB-110", NULL) },
{ }
};
MODULE_DEVICE_TABLE(usb, au6610_id_table);
static struct usb_driver au6610_driver = {
.name = KBUILD_MODNAME,
.id_table = au6610_id_table,
.probe = dvb_usbv2_probe,
.disconnect = dvb_usbv2_disconnect,
.suspend = dvb_usbv2_suspend,
.resume = dvb_usbv2_resume,
.no_dynamic_id = 1,
.soft_unbind = 1,
};
module_usb_driver(au6610_driver);
MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
MODULE_DESCRIPTION("Driver for Alcor Micro AU6610 DVB-T USB2.0");
MODULE_VERSION("0.1");
MODULE_LICENSE("GPL");
|
