1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3     Samsung S5H1411 VSB/QAM demodulator driver
4 
5     Copyright (C) 2008 Steven Toth <stoth@linuxtv.org>
6 
7 
8 */
9 
10 #ifndef __S5H1411_H__
11 #define __S5H1411_H__
12 
13 #include <linux/dvb/frontend.h>
14 
15 #define S5H1411_I2C_TOP_ADDR (0x32 >> 1)
16 #define S5H1411_I2C_QAM_ADDR (0x34 >> 1)
17 
18 struct s5h1411_config {
19 
20 	/* serial/parallel output */
21 #define S5H1411_PARALLEL_OUTPUT 0
22 #define S5H1411_SERIAL_OUTPUT   1
23 	u8 output_mode;
24 
25 	/* GPIO Setting */
26 #define S5H1411_GPIO_OFF 0
27 #define S5H1411_GPIO_ON  1
28 	u8 gpio;
29 
30 	/* MPEG signal timing */
31 #define S5H1411_MPEGTIMING_CONTINUOUS_INVERTING_CLOCK       0
32 #define S5H1411_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK    1
33 #define S5H1411_MPEGTIMING_NONCONTINUOUS_INVERTING_CLOCK    2
34 #define S5H1411_MPEGTIMING_NONCONTINUOUS_NONINVERTING_CLOCK 3
35 	u16 mpeg_timing;
36 
37 	/* IF Freq for QAM and VSB in KHz */
38 #define S5H1411_IF_3250  3250
39 #define S5H1411_IF_3500  3500
40 #define S5H1411_IF_4000  4000
41 #define S5H1411_IF_5380  5380
42 #define S5H1411_IF_44000 44000
43 #define S5H1411_VSB_IF_DEFAULT S5H1411_IF_44000
44 #define S5H1411_QAM_IF_DEFAULT S5H1411_IF_44000
45 	u16 qam_if;
46 	u16 vsb_if;
47 
48 	/* Spectral Inversion */
49 #define S5H1411_INVERSION_OFF 0
50 #define S5H1411_INVERSION_ON  1
51 	u8 inversion;
52 
53 	/* Return lock status based on tuner lock, or demod lock */
54 #define S5H1411_TUNERLOCKING 0
55 #define S5H1411_DEMODLOCKING 1
56 	u8 status_mode;
57 };
58 
59 #if IS_REACHABLE(CONFIG_DVB_S5H1411)
60 extern struct dvb_frontend *s5h1411_attach(const struct s5h1411_config *config,
61 					   struct i2c_adapter *i2c);
62 #else
s5h1411_attach(const struct s5h1411_config * config,struct i2c_adapter * i2c)63 static inline struct dvb_frontend *s5h1411_attach(
64 	const struct s5h1411_config *config,
65 	struct i2c_adapter *i2c)
66 {
67 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
68 	return NULL;
69 }
70 #endif /* CONFIG_DVB_S5H1411 */
71 
72 #endif /* __S5H1411_H__ */
73