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Andrew de Quincey96bf2f22005-07-07 17:57:53 -07001/*
Patrick Boettcherdbad1082008-04-13 15:47:53 -03002 * 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 */
Andrew de Quincey96bf2f22005-07-07 17:57:53 -070024#ifndef S5H1420_H
25#define S5H1420_H
26
27#include <linux/dvb/frontend.h>
28
29struct s5h1420_config
30{
31 /* the demodulator's i2c address */
32 u8 demod_address;
33
Andrew de Quinceya9d6a802005-09-09 13:02:31 -070034 /* does the inversion require inversion? */
Patrick Boettcherdbad1082008-04-13 15:47:53 -030035 u8 invert : 1;
36
37 u8 repeated_start_workaround : 1;
38 u8 cdclk_polarity : 1; /* 1 == falling edge, 0 == raising edge */
Andrew de Quincey96bf2f22005-07-07 17:57:53 -070039};
40
Trent Piephoc5dec9f2006-10-14 15:44:44 -030041#if defined(CONFIG_DVB_S5H1420) || (defined(CONFIG_DVB_S5H1420_MODULE) && defined(MODULE))
Patrick Boettcherdbad1082008-04-13 15:47:53 -030042extern struct dvb_frontend *s5h1420_attach(const struct s5h1420_config *config,
43 struct i2c_adapter *i2c);
44extern struct i2c_adapter *s5h1420_get_tuner_i2c_adapter(struct dvb_frontend *fe);
Andrew de Quincey102a3422006-08-08 09:10:08 -030045#else
Patrick Boettcherdbad1082008-04-13 15:47:53 -030046static inline struct dvb_frontend *s5h1420_attach(const struct s5h1420_config *config,
47 struct i2c_adapter *i2c)
Andrew de Quincey102a3422006-08-08 09:10:08 -030048{
Harvey Harrison271ddbf2008-04-08 23:20:00 -030049 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
Andrew de Quincey102a3422006-08-08 09:10:08 -030050 return NULL;
51}
Patrick Boettcherdbad1082008-04-13 15:47:53 -030052
53static inline struct i2c_adapter *s5h1420_get_tuner_i2c_adapter(struct dvb_frontend *fe)
54{
55 return NULL;
56}
Andrew de Quincey102a3422006-08-08 09:10:08 -030057#endif // CONFIG_DVB_S5H1420
Andrew de Quincey96bf2f22005-07-07 17:57:53 -070058
59#endif // S5H1420_H