50 lines · c
1/* SPDX-License-Identifier: GPL-2.0-or-later */2/*3 TDA8261 8PSK/QPSK tuner driver4 Copyright (C) Manu Abraham (abraham.manu@gmail.com)5 6*/7 8static int tda8261_get_frequency(struct dvb_frontend *fe, u32 *frequency)9{10 struct dvb_frontend_ops *frontend_ops = &fe->ops;11 struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops;12 int err = 0;13 14 if (tuner_ops->get_frequency) {15 err = tuner_ops->get_frequency(fe, frequency);16 if (err < 0) {17 pr_err("%s: Invalid parameter\n", __func__);18 return err;19 }20 pr_debug("%s: Frequency=%d\n", __func__, *frequency);21 }22 return 0;23}24 25static int tda8261_set_frequency(struct dvb_frontend *fe, u32 frequency)26{27 struct dvb_frontend_ops *frontend_ops = &fe->ops;28 struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops;29 struct dtv_frontend_properties *c = &fe->dtv_property_cache;30 int err = 0;31 32 if (tuner_ops->set_params) {33 err = tuner_ops->set_params(fe);34 if (err < 0) {35 pr_err("%s: Invalid parameter\n", __func__);36 return err;37 }38 }39 pr_debug("%s: Frequency=%d\n", __func__, c->frequency);40 return 0;41}42 43static int tda8261_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)44{45 /* FIXME! need to calculate Bandwidth */46 *bandwidth = 40000000;47 48 return 0;49}50