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