V4L/DVB (10822): Add support for Zarlink ZL10036 DVB-S tuner.
[linux-2.6-block.git] / drivers / media / dvb / frontends / zl10036.h
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68b3289f
MS
1/**
2 * Driver for Zarlink ZL10036 DVB-S silicon tuner
3 *
4 * Copyright (C) 2006 Tino Reichardt
5 * Copyright (C) 2007-2009 Matthias Schwarzott <zzam@gentoo.de>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License Version 2, as
9 * published by the Free Software Foundation.
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#ifndef DVB_ZL10036_H
22#define DVB_ZL10036_H
23
24#include <linux/i2c.h>
25#include "dvb_frontend.h"
26
27/**
28 * Attach a zl10036 tuner to the supplied frontend structure.
29 *
30 * @param fe Frontend to attach to.
31 * @param config zl10036_config structure
32 * @return FE pointer on success, NULL on failure.
33 */
34
35struct zl10036_config {
36 u8 tuner_address;
37 int rf_loop_enable;
38};
39
40#if defined(CONFIG_DVB_ZL10036) || \
41 (defined(CONFIG_DVB_ZL10036_MODULE) && defined(MODULE))
42extern struct dvb_frontend *zl10036_attach(struct dvb_frontend *fe,
43 const struct zl10036_config *config, struct i2c_adapter *i2c);
44#else
45static inline struct dvb_frontend *zl10036_attach(struct dvb_frontend *fe,
46 const struct zl10036_config *config, struct i2c_adapter *i2c)
47{
48 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
49 return NULL;
50}
51#endif
52
53#endif /* DVB_ZL10036_H */