1 /*
2 * Driver for
3 * Samsung S5H1420 and
4 * PnpNetwork PN1010 QPSK Demodulator
5 *
6 * Copyright (C) 2005 Andrew de Quincey <adq_dvb@lidskialf.net>
7 * Copyright (C) 2005-8 Patrick Boettcher <pb@linuxtv.org>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 *
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 */
24 #ifndef S5H1420_H
25 #define S5H1420_H
26
27 #include <linux/dvb/frontend.h>
28
29 struct s5h1420_config
30 {
31 /* the demodulator's i2c address */
32 u8 demod_address;
33
34 /* does the inversion require inversion? */
35 u8 invert:1;
36
37 u8 repeated_start_workaround:1;
38 u8 cdclk_polarity:1; /* 1 == falling edge, 0 == raising edge */
39
40 u8 serial_mpeg:1;
41 };
42
43 #if defined(CONFIG_DVB_S5H1420) || (defined(CONFIG_DVB_S5H1420_MODULE) && defined(MODULE))
44 extern struct dvb_frontend *s5h1420_attach(const struct s5h1420_config *config,
45 struct i2c_adapter *i2c);
46 extern struct i2c_adapter *s5h1420_get_tuner_i2c_adapter(struct dvb_frontend *fe);
47 #else
48 static inline struct dvb_frontend *s5h1420_attach(const struct s5h1420_config *config,
49 struct i2c_adapter *i2c)
50 {
51 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
52 return NULL;
53 }
54
55 static inline struct i2c_adapter *s5h1420_get_tuner_i2c_adapter(struct dvb_frontend *fe)
56 {
57 return NULL;
58 }
59 #endif // CONFIG_DVB_S5H1420
60
61 #endif // S5H1420_H
62
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