1/*
2 *  Samsung s5h1432 VSB/QAM demodulator driver
3 *
4 *  Copyright (C) 2009 Bill Liu <Bill.Liu@Conexant.com>
5 *
6 *  This program is free software; you can redistribute it and/or modify
7 *  it under the terms of the GNU General Public License as published by
8 *  the Free Software Foundation; either version 2 of the License, or
9 *  (at your option) any later version.
10 *
11 *  This program is distributed in the hope that it will be useful,
12 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 *  GNU General Public License for more details.
15 *
16 *  You should have received a copy of the GNU General Public License
17 *  along with this program; if not, write to the Free Software
18 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 *
20 */
21
22#ifndef __S5H1432_H__
23#define __S5H1432_H__
24
25#include <linux/kconfig.h>
26#include <linux/dvb/frontend.h>
27
28#define S5H1432_I2C_TOP_ADDR (0x02 >> 1)
29
30#define TAIWAN_HI_IF_FREQ_44_MHZ 44000000
31#define EUROPE_HI_IF_FREQ_36_MHZ 36000000
32#define IF_FREQ_6_MHZ             6000000
33#define IF_FREQ_3point3_MHZ       3300000
34#define IF_FREQ_3point5_MHZ       3500000
35#define IF_FREQ_4_MHZ             4000000
36
37struct s5h1432_config {
38
39	/* serial/parallel output */
40#define S5H1432_PARALLEL_OUTPUT 0
41#define S5H1432_SERIAL_OUTPUT   1
42	u8 output_mode;
43
44	/* GPIO Setting */
45#define S5H1432_GPIO_OFF 0
46#define S5H1432_GPIO_ON  1
47	u8 gpio;
48
49	/* MPEG signal timing */
50#define S5H1432_MPEGTIMING_CONTINOUS_INVERTING_CLOCK       0
51#define S5H1432_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK    1
52#define S5H1432_MPEGTIMING_NONCONTINOUS_INVERTING_CLOCK    2
53#define S5H1432_MPEGTIMING_NONCONTINOUS_NONINVERTING_CLOCK 3
54	u16 mpeg_timing;
55
56	/* IF Freq for QAM and VSB in KHz */
57#define S5H1432_IF_3250  3250
58#define S5H1432_IF_3500  3500
59#define S5H1432_IF_4000  4000
60#define S5H1432_IF_5380  5380
61#define S5H1432_IF_44000 44000
62#define S5H1432_VSB_IF_DEFAULT s5h1432_IF_44000
63#define S5H1432_QAM_IF_DEFAULT s5h1432_IF_44000
64	u16 qam_if;
65	u16 vsb_if;
66
67	/* Spectral Inversion */
68#define S5H1432_INVERSION_OFF 0
69#define S5H1432_INVERSION_ON  1
70	u8 inversion;
71
72	/* Return lock status based on tuner lock, or demod lock */
73#define S5H1432_TUNERLOCKING 0
74#define S5H1432_DEMODLOCKING 1
75	u8 status_mode;
76};
77
78#if IS_REACHABLE(CONFIG_DVB_S5H1432)
79extern struct dvb_frontend *s5h1432_attach(const struct s5h1432_config *config,
80					   struct i2c_adapter *i2c);
81#else
82static inline struct dvb_frontend *s5h1432_attach(const struct s5h1432_config
83						  *config,
84						  struct i2c_adapter *i2c)
85{
86	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
87	return NULL;
88}
89#endif /* CONFIG_DVB_s5h1432 */
90
91#endif /* __s5h1432_H__ */
92