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/dvb/frontend.h>
26 
27 struct s5h1409_config {
28 	/* the demodulator's i2c address */
29 	u8 demod_address;
30 
31 	/* serial/parallel output */
32 #define S5H1409_PARALLEL_OUTPUT 0
33 #define S5H1409_SERIAL_OUTPUT   1
34 	u8 output_mode;
35 
36 	/* GPIO Setting */
37 #define S5H1409_GPIO_OFF 0
38 #define S5H1409_GPIO_ON  1
39 	u8 gpio;
40 
41 	/* IF Freq for QAM in KHz, VSB is hardcoded to 5380 */
42 	u16 qam_if;
43 
44 	/* Spectral Inversion */
45 #define S5H1409_INVERSION_OFF 0
46 #define S5H1409_INVERSION_ON  1
47 	u8 inversion;
48 
49 	/* Return lock status based on tuner lock, or demod lock */
50 #define S5H1409_TUNERLOCKING 0
51 #define S5H1409_DEMODLOCKING 1
52 	u8 status_mode;
53 
54 	/* MPEG signal timing */
55 #define S5H1409_MPEGTIMING_CONTINOUS_INVERTING_CLOCK       0
56 #define S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK    1
57 #define S5H1409_MPEGTIMING_NONCONTINOUS_INVERTING_CLOCK    2
58 #define S5H1409_MPEGTIMING_NONCONTINOUS_NONINVERTING_CLOCK 3
59 	u16 mpeg_timing;
60 
61 	/* HVR-1600 optimizations (to better work with MXL5005s)
62 	   Note: some of these are likely to be folded into the generic driver
63 	   after being regression tested with other boards */
64 #define S5H1409_HVR1600_NOOPTIMIZE 0
65 #define S5H1409_HVR1600_OPTIMIZE   1
66 	u8 hvr1600_opt;
67 };
68 
69 #if defined(CONFIG_DVB_S5H1409) || (defined(CONFIG_DVB_S5H1409_MODULE) \
70 	&& defined(MODULE))
71 extern struct dvb_frontend *s5h1409_attach(const struct s5h1409_config *config,
72 					   struct i2c_adapter *i2c);
73 #else
s5h1409_attach(const struct s5h1409_config * config,struct i2c_adapter * i2c)74 static 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 
85 /*
86  * Local variables:
87  * c-basic-offset: 8
88  */
89