1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Samsung s5h1432 VSB/QAM demodulator driver
4 *
5 * Copyright (C) 2009 Bill Liu <Bill.Liu@Conexant.com>
6 */
7
8#ifndef __S5H1432_H__
9#define __S5H1432_H__
10
11#include <linux/dvb/frontend.h>
12
13#define S5H1432_I2C_TOP_ADDR (0x02 >> 1)
14
15#define TAIWAN_HI_IF_FREQ_44_MHZ 44000000
16#define EUROPE_HI_IF_FREQ_36_MHZ 36000000
17#define IF_FREQ_6_MHZ 6000000
18#define IF_FREQ_3point3_MHZ 3300000
19#define IF_FREQ_3point5_MHZ 3500000
20#define IF_FREQ_4_MHZ 4000000
21
22struct s5h1432_config {
23
24 /* serial/parallel output */
25#define S5H1432_PARALLEL_OUTPUT 0
26#define S5H1432_SERIAL_OUTPUT 1
27 u8 output_mode;
28
29 /* GPIO Setting */
30#define S5H1432_GPIO_OFF 0
31#define S5H1432_GPIO_ON 1
32 u8 gpio;
33
34 /* MPEG signal timing */
35#define S5H1432_MPEGTIMING_CONTINUOUS_INVERTING_CLOCK 0
36#define S5H1432_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK 1
37#define S5H1432_MPEGTIMING_NONCONTINUOUS_INVERTING_CLOCK 2
38#define S5H1432_MPEGTIMING_NONCONTINUOUS_NONINVERTING_CLOCK 3
39 u16 mpeg_timing;
40
41 /* IF Freq for QAM and VSB in KHz */
42#define S5H1432_IF_3250 3250
43#define S5H1432_IF_3500 3500
44#define S5H1432_IF_4000 4000
45#define S5H1432_IF_5380 5380
46#define S5H1432_IF_44000 44000
47#define S5H1432_VSB_IF_DEFAULT s5h1432_IF_44000
48#define S5H1432_QAM_IF_DEFAULT s5h1432_IF_44000
49 u16 qam_if;
50 u16 vsb_if;
51
52 /* Spectral Inversion */
53#define S5H1432_INVERSION_OFF 0
54#define S5H1432_INVERSION_ON 1
55 u8 inversion;
56
57 /* Return lock status based on tuner lock, or demod lock */
58#define S5H1432_TUNERLOCKING 0
59#define S5H1432_DEMODLOCKING 1
60 u8 status_mode;
61};
62
63#if IS_REACHABLE(CONFIG_DVB_S5H1432)
64extern struct dvb_frontend *s5h1432_attach(const struct s5h1432_config *config,
65 struct i2c_adapter *i2c);
66#else
67static inline struct dvb_frontend *s5h1432_attach(const struct s5h1432_config
68 *config,
69 struct i2c_adapter *i2c)
70{
71 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
72 return NULL;
73}
74#endif /* CONFIG_DVB_s5h1432 */
75
76#endif /* __s5h1432_H__ */
77

source code of linux/drivers/media/dvb-frontends/s5h1432.h