1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 *  Driver for Microtune MT2131 "QAM/8VSB single chip tuner"
4 *
5 *  Copyright (c) 2006 Steven Toth <stoth@linuxtv.org>
6 */
7
8#ifndef __MT2131_H__
9#define __MT2131_H__
10
11struct dvb_frontend;
12struct i2c_adapter;
13
14struct mt2131_config {
15	u8 i2c_address;
16	u8 clock_out; /* 0 = off, 1 = CLK/4, 2 = CLK/2, 3 = CLK/1 */
17};
18
19#if IS_REACHABLE(CONFIG_MEDIA_TUNER_MT2131)
20extern struct dvb_frontend* mt2131_attach(struct dvb_frontend *fe,
21					  struct i2c_adapter *i2c,
22					  struct mt2131_config *cfg,
23					  u16 if1);
24#else
25static inline struct dvb_frontend* mt2131_attach(struct dvb_frontend *fe,
26						 struct i2c_adapter *i2c,
27						 struct mt2131_config *cfg,
28						 u16 if1)
29{
30	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
31	return NULL;
32}
33#endif /* CONFIG_MEDIA_TUNER_MT2131 */
34
35#endif /* __MT2131_H__ */
36