/* SPDX-License-Identifier: GPL-2.0-or-later */ /* STB6100 Silicon Tuner Copyright (C) Manu Abraham (abraham.manu@gmail.com) Copyright (C) ST Microelectronics */ #include <linux/dvb/frontend.h> #include <media/dvb_frontend.h> static int stb6100_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) { printk("%s: Invalid parameter\n", __func__); return err; } } return 0; } static int stb6100_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; u32 bw = c->bandwidth_hz; int err = 0; c->frequency = frequency; c->bandwidth_hz = 0; /* Don't adjust the bandwidth */ if (tuner_ops->set_params) { err = tuner_ops->set_params(fe); c->bandwidth_hz = bw; if (err < 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; int err = 0; if (tuner_ops->get_bandwidth) { err = tuner_ops->get_bandwidth(fe, bandwidth); if (err < 0) { printk("%s: Invalid parameter\n", __func__); return err; } } return 0; } static int stb6100_set_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 dtv_frontend_properties *c = &fe->dtv_property_cache; u32 freq = c->frequency; int err = 0; c->bandwidth_hz = bandwidth; c->frequency = 0; /* Don't adjust the frequency */ if (tuner_ops->set_params) { err = tuner_ops->set_params(fe); c->frequency = freq; if (err < 0) { printk("%s: Invalid parameter\n", __func__); return err; } } return 0; }