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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /drivers/media/dvb-frontends/tda8261_cfg.h | |
parent | Initial commit. (diff) | |
download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/dvb-frontends/tda8261_cfg.h')
-rw-r--r-- | drivers/media/dvb-frontends/tda8261_cfg.h | 61 |
1 files changed, 61 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 000000000..fe527ff84 --- /dev/null +++ b/drivers/media/dvb-frontends/tda8261_cfg.h @@ -0,0 +1,61 @@ +/* + 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 = &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) { + pr_err("%s: Invalid parameter\n", __func__); + return err; + } + pr_debug("%s: Frequency=%d\n", __func__, *frequency); + } + return 0; +} + +static int tda8261_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; + int err = 0; + + if (tuner_ops->set_params) { + err = tuner_ops->set_params(fe); + if (err < 0) { + pr_err("%s: Invalid parameter\n", __func__); + return err; + } + } + pr_debug("%s: Frequency=%d\n", __func__, c->frequency); + return 0; +} + +static int tda8261_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) +{ + /* FIXME! need to calculate Bandwidth */ + *bandwidth = 40000000; + + return 0; +} |