85 lines
2.5 KiB
C
85 lines
2.5 KiB
C
|
/*
|
||
|
|
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;
|
||
|
|
}
|