1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3    Samsung S5H1409 VSB/QAM demodulator driver
4
5    Copyright (C) 2006 Steven Toth <stoth@linuxtv.org>
6
7
8*/
9
10#ifndef __S5H1409_H__
11#define __S5H1409_H__
12
13#include <linux/dvb/frontend.h>
14
15struct s5h1409_config {
16	/* the demodulator's i2c address */
17	u8 demod_address;
18
19	/* serial/parallel output */
20#define S5H1409_PARALLEL_OUTPUT 0
21#define S5H1409_SERIAL_OUTPUT   1
22	u8 output_mode;
23
24	/* GPIO Setting */
25#define S5H1409_GPIO_OFF 0
26#define S5H1409_GPIO_ON  1
27	u8 gpio;
28
29	/* IF Freq for QAM in KHz, VSB is hardcoded to 5380 */
30	u16 qam_if;
31
32	/* Spectral Inversion */
33#define S5H1409_INVERSION_OFF 0
34#define S5H1409_INVERSION_ON  1
35	u8 inversion;
36
37	/* Return lock status based on tuner lock, or demod lock */
38#define S5H1409_TUNERLOCKING 0
39#define S5H1409_DEMODLOCKING 1
40	u8 status_mode;
41
42	/* MPEG signal timing */
43#define S5H1409_MPEGTIMING_CONTINUOUS_INVERTING_CLOCK       0
44#define S5H1409_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK    1
45#define S5H1409_MPEGTIMING_NONCONTINUOUS_INVERTING_CLOCK    2
46#define S5H1409_MPEGTIMING_NONCONTINUOUS_NONINVERTING_CLOCK 3
47	u16 mpeg_timing;
48
49	/* HVR-1600 optimizations (to better work with MXL5005s)
50	   Note: some of these are likely to be folded into the generic driver
51	   after being regression tested with other boards */
52#define S5H1409_HVR1600_NOOPTIMIZE 0
53#define S5H1409_HVR1600_OPTIMIZE   1
54	u8 hvr1600_opt;
55};
56
57#if IS_REACHABLE(CONFIG_DVB_S5H1409)
58extern struct dvb_frontend *s5h1409_attach(const struct s5h1409_config *config,
59					   struct i2c_adapter *i2c);
60#else
61static inline struct dvb_frontend *s5h1409_attach(
62	const struct s5h1409_config *config,
63	struct i2c_adapter *i2c)
64{
65	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
66	return NULL;
67}
68#endif /* CONFIG_DVB_S5H1409 */
69
70#endif /* __S5H1409_H__ */
71