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/*
STB6100 Silicon Tuner wrapper
Copyright (C)2009 Igor M. Liplianin (liplianin@me.by)
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 stb6100_get_freq(struct dvb_frontend *fe, u32 *frequency)
{
struct dvb_frontend_ops *frontend_ops = NULL;
struct dvb_tuner_ops *tuner_ops = NULL;
struct tuner_state 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 (frontend_ops->i2c_gate_ctrl)
frontend_ops->i2c_gate_ctrl(fe, 1);
err = tuner_ops->get_state(fe, DVBFE_TUNER_FREQUENCY, &state);
if (err < 0) {
printk(KERN_ERR "%s: Invalid parameter\n", __func__);
return err;
}
if (frontend_ops->i2c_gate_ctrl)
frontend_ops->i2c_gate_ctrl(fe, 0);
*frequency = state.frequency;
}
return 0;
}
static int stb6100_set_freq(struct dvb_frontend *fe, u32 frequency)
{
struct dvb_frontend_ops *frontend_ops = NULL;
struct dvb_tuner_ops *tuner_ops = NULL;
struct tuner_state state;
int err = 0;
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 (frontend_ops->i2c_gate_ctrl)
frontend_ops->i2c_gate_ctrl(fe, 1);
err = tuner_ops->set_state(fe, DVBFE_TUNER_FREQUENCY, &state);
if (err < 0) {
printk(KERN_ERR "%s: Invalid parameter\n", __func__);
return err;
}
if (frontend_ops->i2c_gate_ctrl)
frontend_ops->i2c_gate_ctrl(fe, 0);
}
return 0;
}
static int stb6100_get_bandw(struct dvb_frontend *fe, u32 *bandwidth)
{
struct dvb_frontend_ops *frontend_ops = NULL;
struct dvb_tuner_ops *tuner_ops = NULL;
struct tuner_state 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 (frontend_ops->i2c_gate_ctrl)
frontend_ops->i2c_gate_ctrl(fe, 1);
err = tuner_ops->get_state(fe, DVBFE_TUNER_BANDWIDTH, &state);
if (err < 0) {
printk(KERN_ERR "%s: Invalid parameter\n", __func__);
return err;
}
if (frontend_ops->i2c_gate_ctrl)
frontend_ops->i2c_gate_ctrl(fe, 0);
*bandwidth = state.bandwidth;
}
return 0;
}
static int stb6100_set_bandw(struct dvb_frontend *fe, u32 bandwidth)
{
struct dvb_frontend_ops *frontend_ops = NULL;
struct dvb_tuner_ops *tuner_ops = NULL;
struct tuner_state state;
int err = 0;
state.bandwidth = bandwidth;
if (&fe->ops)
frontend_ops = &fe->ops;
if (&frontend_ops->tuner_ops)
tuner_ops = &frontend_ops->tuner_ops;
if (tuner_ops->set_state) {
if (frontend_ops->i2c_gate_ctrl)
frontend_ops->i2c_gate_ctrl(fe, 1);
err = tuner_ops->set_state(fe, DVBFE_TUNER_BANDWIDTH, &state);
if (err < 0) {
printk(KERN_ERR "%s: Invalid parameter\n", __func__);
return err;
}
if (frontend_ops->i2c_gate_ctrl)
frontend_ops->i2c_gate_ctrl(fe, 0);
}
return 0;
}
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