1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * drxd.h: DRXD DVB-T demodulator driver
4 *
5 * Copyright (C) 2005-2007 Micronas
6 */
7
8#ifndef _DRXD_H_
9#define _DRXD_H_
10
11#include <linux/types.h>
12#include <linux/i2c.h>
13
14struct drxd_config {
15	u8 index;
16
17	u8 pll_address;
18	u8 pll_type;
19#define DRXD_PLL_NONE     0
20#define DRXD_PLL_DTT7520X 1
21#define DRXD_PLL_MT3X0823 2
22
23	u32 clock;
24	u8 insert_rs_byte;
25
26	u8 demod_address;
27	u8 demoda_address;
28	u8 demod_revision;
29
30	/* If the tuner is not behind an i2c gate, be sure to flip this bit
31	   or else the i2c bus could get wedged */
32	u8 disable_i2c_gate_ctrl;
33
34	u32 IF;
35	 s16(*osc_deviation) (void *priv, s16 dev, int flag);
36};
37
38#if IS_REACHABLE(CONFIG_DVB_DRXD)
39extern
40struct dvb_frontend *drxd_attach(const struct drxd_config *config,
41				 void *priv, struct i2c_adapter *i2c,
42				 struct device *dev);
43#else
44static inline
45struct dvb_frontend *drxd_attach(const struct drxd_config *config,
46				 void *priv, struct i2c_adapter *i2c,
47				 struct device *dev)
48{
49	printk(KERN_INFO "%s: not probed - driver disabled by Kconfig\n",
50	       __func__);
51	return NULL;
52}
53#endif
54
55#endif
56