1 /*
2 Samsung S5H1411 VSB/QAM demodulator driver
3
4 Copyright (C) 2008 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 __S5H1411_H__
23 #define __S5H1411_H__
24
25 #include <linux/dvb/frontend.h>
26
27 #define S5H1411_I2C_TOP_ADDR (0x32 >> 1)
28 #define S5H1411_I2C_QAM_ADDR (0x34 >> 1)
29
30 struct s5h1411_config {
31
32 /* serial/parallel output */
33 #define S5H1411_PARALLEL_OUTPUT 0
34 #define S5H1411_SERIAL_OUTPUT 1
35 u8 output_mode;
36
37 /* GPIO Setting */
38 #define S5H1411_GPIO_OFF 0
39 #define S5H1411_GPIO_ON 1
40 u8 gpio;
41
42 /* MPEG signal timing */
43 #define S5H1411_MPEGTIMING_CONTINUOUS_INVERTING_CLOCK 0
44 #define S5H1411_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK 1
45 #define S5H1411_MPEGTIMING_NONCONTINUOUS_INVERTING_CLOCK 2
46 #define S5H1411_MPEGTIMING_NONCONTINUOUS_NONINVERTING_CLOCK 3
47 u16 mpeg_timing;
48
49 /* IF Freq for QAM and VSB in KHz */
50 #define S5H1411_IF_3250 3250
51 #define S5H1411_IF_3500 3500
52 #define S5H1411_IF_4000 4000
53 #define S5H1411_IF_5380 5380
54 #define S5H1411_IF_44000 44000
55 #define S5H1411_VSB_IF_DEFAULT S5H1411_IF_44000
56 #define S5H1411_QAM_IF_DEFAULT S5H1411_IF_44000
57 u16 qam_if;
58 u16 vsb_if;
59
60 /* Spectral Inversion */
61 #define S5H1411_INVERSION_OFF 0
62 #define S5H1411_INVERSION_ON 1
63 u8 inversion;
64
65 /* Return lock status based on tuner lock, or demod lock */
66 #define S5H1411_TUNERLOCKING 0
67 #define S5H1411_DEMODLOCKING 1
68 u8 status_mode;
69 };
70
71 #if IS_REACHABLE(CONFIG_DVB_S5H1411)
72 extern struct dvb_frontend *s5h1411_attach(const struct s5h1411_config *config,
73 struct i2c_adapter *i2c);
74 #else
s5h1411_attach(const struct s5h1411_config * config,struct i2c_adapter * i2c)75 static inline struct dvb_frontend *s5h1411_attach(
76 const struct s5h1411_config *config,
77 struct i2c_adapter *i2c)
78 {
79 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
80 return NULL;
81 }
82 #endif /* CONFIG_DVB_S5H1411 */
83
84 #endif /* __S5H1411_H__ */
85