tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Fujitsu mb86a20s driver
3 *
4 * Copyright (C) 2010 Mauro Carvalho Chehab
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
19#include <linux/dvb/frontend.h>
20
21/**
22 * struct mb86a20s_config - Define the per-device attributes of the frontend
23 *
24 * @fclk: Clock frequency. If zero, assumes the default
25 * (32.57142 Mhz)
26 * @demod_address: the demodulator's i2c address
27 * @is_serial: if true, TS is serial. Otherwise, TS is parallel
28 */
29
30struct mb86a20s_config {
31 u32 fclk;
32 u8 demod_address;
33 bool is_serial;
34};
35
36#if IS_REACHABLE(CONFIG_DVB_MB86A20S)
37extern struct dvb_frontend *mb86a20s_attach(const struct mb86a20s_config *config,
38 struct i2c_adapter *i2c);
39extern struct i2c_adapter *mb86a20s_get_tuner_i2c_adapter(struct dvb_frontend *);
40#else
41static inline struct dvb_frontend *mb86a20s_attach(
42 const struct mb86a20s_config *config, struct i2c_adapter *i2c)
43{
44 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
45 return NULL;
46}
47static inline struct i2c_adapter *
48 mb86a20s_get_tuner_i2c_adapter(struct dvb_frontend *fe)
49{
50 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
51 return NULL;
52}
53#endif
54
55#endif /* MB86A20S */