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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/media/dvb-frontends/stb6100_proc.h | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | drivers/media/dvb-frontends/stb6100_proc.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/stb6100_proc.h b/drivers/media/dvb-frontends/stb6100_proc.h new file mode 100644 index 000000000..af75a40e0 --- /dev/null +++ b/drivers/media/dvb-frontends/stb6100_proc.h @@ -0,0 +1,115 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + STB6100 Silicon Tuner wrapper + Copyright (C)2009 Igor M. Liplianin (liplianin@me.by) + +*/ + +#include <linux/dvb/frontend.h> +#include <media/dvb_frontend.h> + +static int stb6100_get_freq(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) { + if (frontend_ops->i2c_gate_ctrl) + frontend_ops->i2c_gate_ctrl(fe, 1); + + err = tuner_ops->get_frequency(fe, frequency); + if (err < 0) { + printk("%s: Invalid parameter\n", __func__); + return err; + } + + if (frontend_ops->i2c_gate_ctrl) + frontend_ops->i2c_gate_ctrl(fe, 0); + } + + return 0; +} + +static int stb6100_set_freq(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) { + if (frontend_ops->i2c_gate_ctrl) + frontend_ops->i2c_gate_ctrl(fe, 1); + + err = tuner_ops->set_params(fe); + c->bandwidth_hz = bw; + if (err < 0) { + printk("%s: Invalid parameter\n", __func__); + return err; + } + + if (frontend_ops->i2c_gate_ctrl) + frontend_ops->i2c_gate_ctrl(fe, 0); + + } + + return 0; +} + +static int stb6100_get_bandw(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) { + if (frontend_ops->i2c_gate_ctrl) + frontend_ops->i2c_gate_ctrl(fe, 1); + + err = tuner_ops->get_bandwidth(fe, bandwidth); + if (err < 0) { + printk(KERN_ERR "%s: Invalid parameter\n", __func__); + return err; + } + + if (frontend_ops->i2c_gate_ctrl) + frontend_ops->i2c_gate_ctrl(fe, 0); + } + + return 0; +} + +static int stb6100_set_bandw(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) { + if (frontend_ops->i2c_gate_ctrl) + frontend_ops->i2c_gate_ctrl(fe, 1); + + err = tuner_ops->set_params(fe); + c->frequency = freq; + if (err < 0) { + printk(KERN_ERR "%s: Invalid parameter\n", __func__); + return err; + } + + if (frontend_ops->i2c_gate_ctrl) + frontend_ops->i2c_gate_ctrl(fe, 0); + + } + + return 0; +} |