1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3    Driver for STV0297 demodulator
4
5    Copyright (C) 2003-2004 Dennis Noermann <dennis.noermann@noernet.de>
6
7*/
8
9#ifndef STV0297_H
10#define STV0297_H
11
12#include <linux/dvb/frontend.h>
13#include <media/dvb_frontend.h>
14
15struct stv0297_config
16{
17	/* the demodulator's i2c address */
18	u8 demod_address;
19
20	/* inittab - array of pairs of values.
21	* First of each pair is the register, second is the value.
22	* List should be terminated with an 0xff, 0xff pair.
23	*/
24	u8* inittab;
25
26	/* does the "inversion" need inverted? */
27	u8 invert:1;
28
29	/* set to 1 if the device requires an i2c STOP during reading */
30	u8 stop_during_read:1;
31};
32
33#if IS_REACHABLE(CONFIG_DVB_STV0297)
34extern struct dvb_frontend* stv0297_attach(const struct stv0297_config* config,
35					   struct i2c_adapter* i2c);
36#else
37static inline struct dvb_frontend* stv0297_attach(const struct stv0297_config* config,
38					   struct i2c_adapter* i2c)
39{
40	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
41	return NULL;
42}
43#endif // CONFIG_DVB_STV0297
44
45#endif // STV0297_H
46