xref: /linux/drivers/media/tuners/mt2131.h (revision 0d456bad36d42d16022be045c8a53ddbb59ee478)
1 /*
2  *  Driver for Microtune MT2131 "QAM/8VSB single chip tuner"
3  *
4  *  Copyright (c) 2006 Steven Toth <stoth@linuxtv.org>
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License as published by
8  *  the Free Software Foundation; either version 2 of the License, or
9  *  (at your option) any later version.
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  *
15  *  GNU General Public License for more details.
16  *
17  *  You should have received a copy of the GNU General Public License
18  *  along with this program; if not, write to the Free Software
19  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20  */
21 
22 #ifndef __MT2131_H__
23 #define __MT2131_H__
24 
25 struct dvb_frontend;
26 struct i2c_adapter;
27 
28 struct mt2131_config {
29 	u8 i2c_address;
30 	u8 clock_out; /* 0 = off, 1 = CLK/4, 2 = CLK/2, 3 = CLK/1 */
31 };
32 
33 #if defined(CONFIG_MEDIA_TUNER_MT2131) || (defined(CONFIG_MEDIA_TUNER_MT2131_MODULE) && defined(MODULE))
34 extern struct dvb_frontend* mt2131_attach(struct dvb_frontend *fe,
35 					  struct i2c_adapter *i2c,
36 					  struct mt2131_config *cfg,
37 					  u16 if1);
38 #else
39 static inline struct dvb_frontend* mt2131_attach(struct dvb_frontend *fe,
40 						 struct i2c_adapter *i2c,
41 						 struct mt2131_config *cfg,
42 						 u16 if1)
43 {
44 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
45 	return NULL;
46 }
47 #endif /* CONFIG_MEDIA_TUNER_MT2131 */
48 
49 #endif /* __MT2131_H__ */
50 
51 /*
52  * Local variables:
53  * c-basic-offset: 8
54  */
55