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Mauro Carvalho Chehabb9ede792010-09-27 20:52:43 -03001/*
2 * Fujitsu mb86a20s driver
3 *
4 * Copyright (C) 2010 Mauro Carvalho Chehab <mchehab@redhat.com>
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation version 2.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
14 */
15
16#ifndef MB86A20S_H
17#define MB86A20S_H
18
Mauro Carvalho Chehab782d8b72013-03-21 16:11:54 -030019#include <linux/kconfig.h>
Mauro Carvalho Chehabb9ede792010-09-27 20:52:43 -030020#include <linux/dvb/frontend.h>
21
22/**
23 * struct mb86a20s_config - Define the per-device attributes of the frontend
24 *
Mauro Carvalho Chehab0e4bbed2013-03-04 08:15:49 -030025 * @fclk: Clock frequency. If zero, assumes the default
26 * (32.57142 Mhz)
Mauro Carvalho Chehabb9ede792010-09-27 20:52:43 -030027 * @demod_address: the demodulator's i2c address
Mauro Carvalho Chehab0e4bbed2013-03-04 08:15:49 -030028 * @is_serial: if true, TS is serial. Otherwise, TS is parallel
Mauro Carvalho Chehabb9ede792010-09-27 20:52:43 -030029 */
30
31struct mb86a20s_config {
Mauro Carvalho Chehab0e4bbed2013-03-04 08:15:49 -030032 u32 fclk;
33 u8 demod_address;
34 bool is_serial;
Mauro Carvalho Chehabb9ede792010-09-27 20:52:43 -030035};
36
Mauro Carvalho Chehab782d8b72013-03-21 16:11:54 -030037#if IS_ENABLED(CONFIG_DVB_MB86A20S)
Mauro Carvalho Chehabb9ede792010-09-27 20:52:43 -030038extern struct dvb_frontend *mb86a20s_attach(const struct mb86a20s_config *config,
39 struct i2c_adapter *i2c);
40extern struct i2c_adapter *mb86a20s_get_tuner_i2c_adapter(struct dvb_frontend *);
41#else
42static inline struct dvb_frontend *mb86a20s_attach(
43 const struct mb86a20s_config *config, struct i2c_adapter *i2c)
44{
45 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
46 return NULL;
47}
48static struct i2c_adapter *
49 mb86a20s_get_tuner_i2c_adapter(struct dvb_frontend *fe)
50{
51 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
52 return NULL;
53}
54#endif
55
56#endif /* MB86A20S */