diff options
Diffstat (limited to 'drivers/media/dvb/frontends/tda8261_cfg.h')
| -rw-r--r-- | drivers/media/dvb/frontends/tda8261_cfg.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/tda8261_cfg.h b/drivers/media/dvb/frontends/tda8261_cfg.h new file mode 100644 index 00000000000..1af1ee49b54 --- /dev/null +++ b/drivers/media/dvb/frontends/tda8261_cfg.h @@ -0,0 +1,84 @@ +/* + 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; +} |