stb6100_cfg.h

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/*
    STB6100 Silicon Tuner
    Copyright (C) Manu Abraham ([email protected])

    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.
*/

static int stb6100_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;
    }
    return 0;
}

static int stb6100_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;
        }
    }
    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;
    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;
    }
    return 0;
}

static int stb6100_set_bandwidth(struct dvb_frontend *fe, u32 bandwidth)
{
    struct dvb_frontend_ops *frontend_ops = NULL;
    struct dvb_tuner_ops    *tuner_ops = NULL;
    struct tuner_state  t_state;
    int err = 0;

    t_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 ((err = tuner_ops->set_state(fe, DVBFE_TUNER_BANDWIDTH, &t_state)) < 0) {
            printk("%s: Invalid parameter\n", __func__);
            return err;
        }
    }
    return 0;
}