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