Contributors: 8
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Igor M. Liplianin |
374 |
72.48% |
3 |
23.08% |
| Mauro Carvalho Chehab |
73 |
14.15% |
3 |
23.08% |
| Emil Goode |
32 |
6.20% |
1 |
7.69% |
| Steven Toth |
15 |
2.91% |
2 |
15.38% |
| Andy Walls |
10 |
1.94% |
1 |
7.69% |
| Gerd Knorr |
6 |
1.16% |
1 |
7.69% |
| Manu Abraham |
4 |
0.78% |
1 |
7.69% |
| Thomas Gleixner |
2 |
0.39% |
1 |
7.69% |
| Total |
516 |
|
13 |
|
/* 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;
}