1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * stv6110.h
4 *
5 * Driver for ST STV6110 satellite tuner IC.
6 *
7 * Copyright (C) 2009 NetUP Inc.
8 * Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
9 */
10
11#ifndef __DVB_STV6110_H__
12#define __DVB_STV6110_H__
13
14#include <linux/i2c.h>
15#include <media/dvb_frontend.h>
16
17/* registers */
18#define RSTV6110_CTRL1		0
19#define RSTV6110_CTRL2		1
20#define RSTV6110_TUNING1	2
21#define RSTV6110_TUNING2	3
22#define RSTV6110_CTRL3		4
23#define RSTV6110_STAT1		5
24#define RSTV6110_STAT2		6
25#define RSTV6110_STAT3		7
26
27struct stv6110_config {
28	u8 i2c_address;
29	u32 mclk;
30	u8 gain;
31	u8 clk_div;	/* divisor value for the output clock */
32};
33
34#if IS_REACHABLE(CONFIG_DVB_STV6110)
35extern struct dvb_frontend *stv6110_attach(struct dvb_frontend *fe,
36					const struct stv6110_config *config,
37					struct i2c_adapter *i2c);
38#else
39static inline struct dvb_frontend *stv6110_attach(struct dvb_frontend *fe,
40					const struct stv6110_config *config,
41					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
49