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tda827x.h
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1  /*
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 
31 {
32  /* saa7134 - provided callbacks */
33  int (*init) (struct dvb_frontend *fe);
34  int (*sleep) (struct dvb_frontend *fe);
35 
36  /* interface to tda829x driver */
37  unsigned int config;
39 
40  void (*agcf)(struct dvb_frontend *fe);
41 };
42 
43 
53 #if defined(CONFIG_MEDIA_TUNER_TDA827X) || (defined(CONFIG_MEDIA_TUNER_TDA827X_MODULE) && defined(MODULE))
54 extern struct dvb_frontend* tda827x_attach(struct dvb_frontend *fe, int addr,
55  struct i2c_adapter *i2c,
56  struct tda827x_config *cfg);
57 #else
58 static inline struct dvb_frontend* tda827x_attach(struct dvb_frontend *fe,
59  int addr,
60  struct i2c_adapter *i2c,
61  struct tda827x_config *cfg)
62 {
63  printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
64  return NULL;
65 }
66 #endif // CONFIG_MEDIA_TUNER_TDA827X
67 
68 #endif // __DVB_TDA827X_H__