1/*
2    Samsung S5H1409 VSB/QAM demodulator driver
3
4    Copyright (C) 2006 Steven Toth <stoth@linuxtv.org>
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 __S5H1409_H__
23#define __S5H1409_H__
24
25#include <linux/kconfig.h>
26#include <linux/dvb/frontend.h>
27
28struct s5h1409_config {
29	/* the demodulator's i2c address */
30	u8 demod_address;
31
32	/* serial/parallel output */
33#define S5H1409_PARALLEL_OUTPUT 0
34#define S5H1409_SERIAL_OUTPUT   1
35	u8 output_mode;
36
37	/* GPIO Setting */
38#define S5H1409_GPIO_OFF 0
39#define S5H1409_GPIO_ON  1
40	u8 gpio;
41
42	/* IF Freq for QAM in KHz, VSB is hardcoded to 5380 */
43	u16 qam_if;
44
45	/* Spectral Inversion */
46#define S5H1409_INVERSION_OFF 0
47#define S5H1409_INVERSION_ON  1
48	u8 inversion;
49
50	/* Return lock status based on tuner lock, or demod lock */
51#define S5H1409_TUNERLOCKING 0
52#define S5H1409_DEMODLOCKING 1
53	u8 status_mode;
54
55	/* MPEG signal timing */
56#define S5H1409_MPEGTIMING_CONTINOUS_INVERTING_CLOCK       0
57#define S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK    1
58#define S5H1409_MPEGTIMING_NONCONTINOUS_INVERTING_CLOCK    2
59#define S5H1409_MPEGTIMING_NONCONTINOUS_NONINVERTING_CLOCK 3
60	u16 mpeg_timing;
61
62	/* HVR-1600 optimizations (to better work with MXL5005s)
63	   Note: some of these are likely to be folded into the generic driver
64	   after being regression tested with other boards */
65#define S5H1409_HVR1600_NOOPTIMIZE 0
66#define S5H1409_HVR1600_OPTIMIZE   1
67	u8 hvr1600_opt;
68};
69
70#if IS_REACHABLE(CONFIG_DVB_S5H1409)
71extern struct dvb_frontend *s5h1409_attach(const struct s5h1409_config *config,
72					   struct i2c_adapter *i2c);
73#else
74static inline struct dvb_frontend *s5h1409_attach(
75	const struct s5h1409_config *config,
76	struct i2c_adapter *i2c)
77{
78	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
79	return NULL;
80}
81#endif /* CONFIG_DVB_S5H1409 */
82
83#endif /* __S5H1409_H__ */
84