Contributors: 8
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Oliver Endriss |
200 |
68.03% |
3 |
23.08% |
| Michael Hunold |
29 |
9.86% |
3 |
23.08% |
| Andrew Morton |
20 |
6.80% |
1 |
7.69% |
| Mauro Carvalho Chehab |
17 |
5.78% |
1 |
7.69% |
| Andrew de Quincey |
13 |
4.42% |
2 |
15.38% |
| Alan Cox |
11 |
3.74% |
1 |
7.69% |
| Thomas Gleixner |
2 |
0.68% |
1 |
7.69% |
| Patrick Boettcher |
2 |
0.68% |
1 |
7.69% |
| Total |
294 |
|
13 |
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* tdhd1.h - ALPS TDHD1-204A tuner support
*
* Copyright (C) 2008 Oliver Endriss <o.endriss@gmx.de>
*
* The project's page is at https://linuxtv.org
*/
#ifndef TDHD1_H
#define TDHD1_H
#include "tda1004x.h"
static int alps_tdhd1_204_request_firmware(struct dvb_frontend *fe, const struct firmware **fw, char *name);
static struct tda1004x_config alps_tdhd1_204a_config = {
.demod_address = 0x8,
.invert = 1,
.invert_oclk = 0,
.xtal_freq = TDA10046_XTAL_4M,
.agc_config = TDA10046_AGC_DEFAULT,
.if_freq = TDA10046_FREQ_3617,
.request_firmware = alps_tdhd1_204_request_firmware
};
static int alps_tdhd1_204a_tuner_set_params(struct dvb_frontend *fe)
{
struct dtv_frontend_properties *p = &fe->dtv_property_cache;
struct i2c_adapter *i2c = fe->tuner_priv;
u8 data[4];
struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) };
u32 div;
div = (p->frequency + 36166666) / 166666;
data[0] = (div >> 8) & 0x7f;
data[1] = div & 0xff;
data[2] = 0x85;
if (p->frequency >= 174000000 && p->frequency <= 230000000)
data[3] = 0x02;
else if (p->frequency >= 470000000 && p->frequency <= 823000000)
data[3] = 0x0C;
else if (p->frequency > 823000000 && p->frequency <= 862000000)
data[3] = 0x8C;
else
return -EINVAL;
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
if (i2c_transfer(i2c, &msg, 1) != 1)
return -EIO;
return 0;
}
#endif /* TDHD1_H */