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
|
/*
TDA8261 8PSK/QPSK tuner driver
Copyright (C) Manu Abraham (abraham.manu@gmail.com)
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.
*/
static int tda8261_get_frequency(struct dvb_frontend *fe, u32 *frequency)
{
struct dvb_frontend_ops *frontend_ops = NULL;
struct dvb_tuner_ops *tuner_ops = NULL;
struct tuner_state t_state;
int err = 0;
if (&fe->ops)
frontend_ops = &fe->ops;
if (&frontend_ops->tuner_ops)
tuner_ops = &frontend_ops->tuner_ops;
if (tuner_ops->get_state) {
if ((err = tuner_ops->get_state(fe, DVBFE_TUNER_FREQUENCY, &t_state)) < 0) {
printk("%s: Invalid parameter\n", __func__);
return err;
}
*frequency = t_state.frequency;
printk("%s: Frequency=%d\n", __func__, t_state.frequency);
}
return 0;
}
static int tda8261_set_frequency(struct dvb_frontend *fe, u32 frequency)
{
struct dvb_frontend_ops *frontend_ops = NULL;
struct dvb_tuner_ops *tuner_ops = NULL;
struct tuner_state t_state;
int err = 0;
t_state.frequency = frequency;
if (&fe->ops)
frontend_ops = &fe->ops;
if (&frontend_ops->tuner_ops)
tuner_ops = &frontend_ops->tuner_ops;
if (tuner_ops->set_state) {
if ((err = tuner_ops->set_state(fe, DVBFE_TUNER_FREQUENCY, &t_state)) < 0) {
printk("%s: Invalid parameter\n", __func__);
return err;
}
}
printk("%s: Frequency=%d\n", __func__, t_state.frequency);
return 0;
}
static int tda8261_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
{
struct dvb_frontend_ops *frontend_ops = &fe->ops;
struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops;
struct tuner_state t_state;
int err = 0;
if (&fe->ops)
frontend_ops = &fe->ops;
if (&frontend_ops->tuner_ops)
tuner_ops = &frontend_ops->tuner_ops;
if (tuner_ops->get_state) {
if ((err = tuner_ops->get_state(fe, DVBFE_TUNER_BANDWIDTH, &t_state)) < 0) {
printk("%s: Invalid parameter\n", __func__);
return err;
}
*bandwidth = t_state.bandwidth;
printk("%s: Bandwidth=%d\n", __func__, t_state.bandwidth);
}
return 0;
}
|
