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/*
STB6100 Silicon Tuner
Copyright (C) Manu Abraham (abraham.manu@gmail.com)
Copyright (C) ST Microelectronics
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 <linux/dvb/frontend.h>
#include <media/dvb_frontend.h>
static int stb6100_get_frequency(struct dvb_frontend *fe, u32 *frequency)
{
struct dvb_frontend_ops *frontend_ops = &fe->ops;
struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops;
int err = 0;
if (tuner_ops->get_frequency) {
err = tuner_ops->get_frequency(fe, frequency);
if (err < 0) {
printk("%s: Invalid parameter\n", __func__);
return err;
}
}
return 0;
}
static int stb6100_set_frequency(struct dvb_frontend *fe, u32 frequency)
{
struct dvb_frontend_ops *frontend_ops = &fe->ops;
struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
u32 bw = c->bandwidth_hz;
int err = 0;
c->frequency = frequency;
c->bandwidth_hz = 0; /* Don't adjust the bandwidth */
if (tuner_ops->set_params) {
err = tuner_ops->set_params(fe);
c->bandwidth_hz = bw;
if (err < 0) {
printk("%s: Invalid parameter\n", __func__);
return err;
}
}
return 0;
}
static int stb6100_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;
int err = 0;
if (tuner_ops->get_bandwidth) {
err = tuner_ops->get_bandwidth(fe, bandwidth);
if (err < 0) {
printk("%s: Invalid parameter\n", __func__);
return err;
}
}
return 0;
}
static int stb6100_set_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 dtv_frontend_properties *c = &fe->dtv_property_cache;
u32 freq = c->frequency;
int err = 0;
c->bandwidth_hz = bandwidth;
c->frequency = 0; /* Don't adjust the frequency */
if (tuner_ops->set_params) {
err = tuner_ops->set_params(fe);
c->frequency = freq;
if (err < 0) {
printk("%s: Invalid parameter\n", __func__);
return err;
}
}
return 0;
}
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