1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 *   Fujitsu mb86a20s driver
4 *
5 *   Copyright (C) 2010 Mauro Carvalho Chehab
6 */
7
8#ifndef MB86A20S_H
9#define MB86A20S_H
10
11#include <linux/dvb/frontend.h>
12
13/**
14 * struct mb86a20s_config - Define the per-device attributes of the frontend
15 *
16 * @fclk:		Clock frequency. If zero, assumes the default
17 *			(32.57142 Mhz)
18 * @demod_address:	the demodulator's i2c address
19 * @is_serial:		if true, TS is serial. Otherwise, TS is parallel
20 */
21struct mb86a20s_config {
22	u32	fclk;
23	u8	demod_address;
24	bool	is_serial;
25};
26
27#if IS_REACHABLE(CONFIG_DVB_MB86A20S)
28/**
29 * mb86a20s_attach - Attach a mb86a20s demod
30 *
31 * @config: pointer to &struct mb86a20s_config with demod configuration.
32 * @i2c: i2c adapter to use.
33 *
34 * return: FE pointer on success, NULL on failure.
35 */
36extern struct dvb_frontend *mb86a20s_attach(const struct mb86a20s_config *config,
37					   struct i2c_adapter *i2c);
38
39#else
40static inline struct dvb_frontend *mb86a20s_attach(
41	const struct mb86a20s_config *config, struct i2c_adapter *i2c)
42{
43	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
44	return NULL;
45}
46#endif
47
48#endif /* MB86A20S */
49