1 /*
2 TDA8261 8PSK/QPSK tuner driver
3 Copyright (C) Manu Abraham (abraham.manu@gmail.com)
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 */
19
tda8261_get_frequency(struct dvb_frontend * fe,u32 * frequency)20 static int tda8261_get_frequency(struct dvb_frontend *fe, u32 *frequency)
21 {
22 struct dvb_frontend_ops *frontend_ops = &fe->ops;
23 struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops;
24 int err = 0;
25
26 if (tuner_ops->get_frequency) {
27 err = tuner_ops->get_frequency(fe, frequency);
28 if (err < 0) {
29 pr_err("%s: Invalid parameter\n", __func__);
30 return err;
31 }
32 pr_debug("%s: Frequency=%d\n", __func__, *frequency);
33 }
34 return 0;
35 }
36
tda8261_set_frequency(struct dvb_frontend * fe,u32 frequency)37 static int tda8261_set_frequency(struct dvb_frontend *fe, u32 frequency)
38 {
39 struct dvb_frontend_ops *frontend_ops = &fe->ops;
40 struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops;
41 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
42 int err = 0;
43
44 if (tuner_ops->set_params) {
45 err = tuner_ops->set_params(fe);
46 if (err < 0) {
47 pr_err("%s: Invalid parameter\n", __func__);
48 return err;
49 }
50 }
51 pr_debug("%s: Frequency=%d\n", __func__, c->frequency);
52 return 0;
53 }
54
tda8261_get_bandwidth(struct dvb_frontend * fe,u32 * bandwidth)55 static int tda8261_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
56 {
57 /* FIXME! need to calculate Bandwidth */
58 *bandwidth = 40000000;
59
60 return 0;
61 }
62