1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 Samsung S5H1411 VSB/QAM demodulator driver
4
5 Copyright (C) 2008 Steven Toth <stoth@linuxtv.org>
6
7
8*/
9
10#ifndef __S5H1411_H__
11#define __S5H1411_H__
12
13#include <linux/dvb/frontend.h>
14
15#define S5H1411_I2C_TOP_ADDR (0x32 >> 1)
16#define S5H1411_I2C_QAM_ADDR (0x34 >> 1)
17
18struct s5h1411_config {
19
20 /* serial/parallel output */
21#define S5H1411_PARALLEL_OUTPUT 0
22#define S5H1411_SERIAL_OUTPUT 1
23 u8 output_mode;
24
25 /* GPIO Setting */
26#define S5H1411_GPIO_OFF 0
27#define S5H1411_GPIO_ON 1
28 u8 gpio;
29
30 /* MPEG signal timing */
31#define S5H1411_MPEGTIMING_CONTINUOUS_INVERTING_CLOCK 0
32#define S5H1411_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK 1
33#define S5H1411_MPEGTIMING_NONCONTINUOUS_INVERTING_CLOCK 2
34#define S5H1411_MPEGTIMING_NONCONTINUOUS_NONINVERTING_CLOCK 3
35 u16 mpeg_timing;
36
37 /* IF Freq for QAM and VSB in KHz */
38#define S5H1411_IF_3250 3250
39#define S5H1411_IF_3500 3500
40#define S5H1411_IF_4000 4000
41#define S5H1411_IF_5380 5380
42#define S5H1411_IF_44000 44000
43#define S5H1411_VSB_IF_DEFAULT S5H1411_IF_44000
44#define S5H1411_QAM_IF_DEFAULT S5H1411_IF_44000
45 u16 qam_if;
46 u16 vsb_if;
47
48 /* Spectral Inversion */
49#define S5H1411_INVERSION_OFF 0
50#define S5H1411_INVERSION_ON 1
51 u8 inversion;
52
53 /* Return lock status based on tuner lock, or demod lock */
54#define S5H1411_TUNERLOCKING 0
55#define S5H1411_DEMODLOCKING 1
56 u8 status_mode;
57};
58
59#if IS_REACHABLE(CONFIG_DVB_S5H1411)
60extern struct dvb_frontend *s5h1411_attach(const struct s5h1411_config *config,
61 struct i2c_adapter *i2c);
62#else
63static inline struct dvb_frontend *s5h1411_attach(
64 const struct s5h1411_config *config,
65 struct i2c_adapter *i2c)
66{
67 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
68 return NULL;
69}
70#endif /* CONFIG_DVB_S5H1411 */
71
72#endif /* __S5H1411_H__ */
73

source code of linux/drivers/media/dvb-frontends/s5h1411.h