From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- drivers/media/dvb-frontends/stb6100_cfg.h | 99 +++++++++++++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 drivers/media/dvb-frontends/stb6100_cfg.h (limited to 'drivers/media/dvb-frontends/stb6100_cfg.h') diff --git a/drivers/media/dvb-frontends/stb6100_cfg.h b/drivers/media/dvb-frontends/stb6100_cfg.h new file mode 100644 index 000000000..203f9b36c --- /dev/null +++ b/drivers/media/dvb-frontends/stb6100_cfg.h @@ -0,0 +1,99 @@ +/* + STB6100 Silicon Tuner + Copyright (C) Manu Abraham (abraham.manu@gmail.com) + + 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. +*/ + +#include +#include + +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; +} -- cgit v1.2.3