1 /*
2  *  Samsung s5h1432 VSB/QAM demodulator driver
3  *
4  *  Copyright (C) 2009 Bill Liu <Bill.Liu@Conexant.com>
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 __S5H1432_H__
23 #define __S5H1432_H__
24 
25 #include <linux/kconfig.h>
26 #include <linux/dvb/frontend.h>
27 
28 #define S5H1432_I2C_TOP_ADDR (0x02 >> 1)
29 
30 #define TAIWAN_HI_IF_FREQ_44_MHZ 44000000
31 #define EUROPE_HI_IF_FREQ_36_MHZ 36000000
32 #define IF_FREQ_6_MHZ             6000000
33 #define IF_FREQ_3point3_MHZ       3300000
34 #define IF_FREQ_3point5_MHZ       3500000
35 #define IF_FREQ_4_MHZ             4000000
36 
37 struct s5h1432_config {
38 
39 	/* serial/parallel output */
40 #define S5H1432_PARALLEL_OUTPUT 0
41 #define S5H1432_SERIAL_OUTPUT   1
42 	u8 output_mode;
43 
44 	/* GPIO Setting */
45 #define S5H1432_GPIO_OFF 0
46 #define S5H1432_GPIO_ON  1
47 	u8 gpio;
48 
49 	/* MPEG signal timing */
50 #define S5H1432_MPEGTIMING_CONTINOUS_INVERTING_CLOCK       0
51 #define S5H1432_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK    1
52 #define S5H1432_MPEGTIMING_NONCONTINOUS_INVERTING_CLOCK    2
53 #define S5H1432_MPEGTIMING_NONCONTINOUS_NONINVERTING_CLOCK 3
54 	u16 mpeg_timing;
55 
56 	/* IF Freq for QAM and VSB in KHz */
57 #define S5H1432_IF_3250  3250
58 #define S5H1432_IF_3500  3500
59 #define S5H1432_IF_4000  4000
60 #define S5H1432_IF_5380  5380
61 #define S5H1432_IF_44000 44000
62 #define S5H1432_VSB_IF_DEFAULT s5h1432_IF_44000
63 #define S5H1432_QAM_IF_DEFAULT s5h1432_IF_44000
64 	u16 qam_if;
65 	u16 vsb_if;
66 
67 	/* Spectral Inversion */
68 #define S5H1432_INVERSION_OFF 0
69 #define S5H1432_INVERSION_ON  1
70 	u8 inversion;
71 
72 	/* Return lock status based on tuner lock, or demod lock */
73 #define S5H1432_TUNERLOCKING 0
74 #define S5H1432_DEMODLOCKING 1
75 	u8 status_mode;
76 };
77 
78 #if IS_REACHABLE(CONFIG_DVB_S5H1432)
79 extern struct dvb_frontend *s5h1432_attach(const struct s5h1432_config *config,
80 					   struct i2c_adapter *i2c);
81 #else
82 static inline struct dvb_frontend *s5h1432_attach(const struct s5h1432_config
83 						  *config,
84 						  struct i2c_adapter *i2c)
85 {
86 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
87 	return NULL;
88 }
89 #endif /* CONFIG_DVB_s5h1432 */
90 
91 #endif /* __s5h1432_H__ */
92