blob: 7d72ce0a0c2df925263fcfce42d5561990aa7745 [file] [log] [blame]
Michael Krufky8ce47da2007-04-27 12:31:14 -03001 /*
2 DVB Driver for Philips tda827x / tda827xa Silicon tuners
3
4 (c) 2005 Hartmut Hackmann
5 (c) 2007 Michael Krufky
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 as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21
22 */
23
24#ifndef __DVB_TDA827X_H__
25#define __DVB_TDA827X_H__
26
27#include <linux/i2c.h>
28#include "dvb_frontend.h"
29
30struct tda827x_config
31{
Michael Krufky746d97322007-08-25 19:08:45 -030032 /* saa7134 - provided callbacks */
Michael Krufky8ce47da2007-04-27 12:31:14 -030033 int (*init) (struct dvb_frontend *fe);
34 int (*sleep) (struct dvb_frontend *fe);
Michael Krufky746d97322007-08-25 19:08:45 -030035
36 /* interface to tda829x driver */
Hartmut Hackmann7bff4b42008-04-22 14:46:08 -030037 unsigned int config;
38 int switch_addr;
Michael Krufky746d97322007-08-25 19:08:45 -030039
40 void (*agcf)(struct dvb_frontend *fe);
Michael Krufky8ce47da2007-04-27 12:31:14 -030041};
42
43
44/**
45 * Attach a tda827x tuner to the supplied frontend structure.
46 *
47 * @param fe Frontend to attach to.
48 * @param addr i2c address of the tuner.
49 * @param i2c i2c adapter to use.
50 * @param cfg optional callback function pointers.
51 * @return FE pointer on success, NULL on failure.
52 */
Mauro Carvalho Chehab149ef722008-04-29 21:38:46 -030053#if defined(CONFIG_MEDIA_TUNER_TDA827X) || (defined(CONFIG_MEDIA_TUNER_TDA827X_MODULE) && defined(MODULE))
Michael Krufky8ce47da2007-04-27 12:31:14 -030054extern struct dvb_frontend* tda827x_attach(struct dvb_frontend *fe, int addr,
55 struct i2c_adapter *i2c,
56 struct tda827x_config *cfg);
57#else
58static inline struct dvb_frontend* tda827x_attach(struct dvb_frontend *fe,
59 int addr,
60 struct i2c_adapter *i2c,
61 struct tda827x_config *cfg)
62{
Harvey Harrison271ddbf2008-04-08 23:20:00 -030063 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
Michael Krufky8ce47da2007-04-27 12:31:14 -030064 return NULL;
65}
Mauro Carvalho Chehab149ef722008-04-29 21:38:46 -030066#endif // CONFIG_MEDIA_TUNER_TDA827X
Michael Krufky8ce47da2007-04-27 12:31:14 -030067
68#endif // __DVB_TDA827X_H__