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 IS_REACHABLE(CONFIG_DVB_S5H1409)
70 extern struct dvb_frontend *s5h1409_attach(const struct s5h1409_config *config,
71 struct i2c_adapter *i2c);
72 #else
s5h1409_attach(const struct s5h1409_config * config,struct i2c_adapter * i2c)73 static inline struct dvb_frontend *s5h1409_attach(
74 const struct s5h1409_config *config,
75 struct i2c_adapter *i2c)
76 {
77 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
78 return NULL;
79 }
80 #endif /* CONFIG_DVB_S5H1409 */
81
82 #endif /* __S5H1409_H__ */
83