Linux Kernel  3.7.1
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lgdt3305.h
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1 /*
2  * Support for LG Electronics LGDT3304 and LGDT3305 - VSB/QAM
3  *
4  * Copyright (C) 2008, 2009, 2010 Michael Krufky <[email protected]>
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  * 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 
22 #ifndef _LGDT3305_H_
23 #define _LGDT3305_H_
24 
25 #include <linux/i2c.h>
26 #include "dvb_frontend.h"
27 
28 
32 };
33 
37 };
38 
42 };
43 
45  LGDT3305 = 0,
46  LGDT3304 = 1,
47 };
48 
51 
52  /* user defined IF frequency in KHz */
55 
56  /* AGC Power reference - defaults are used if left unset */
57  u16 usref_8vsb; /* default: 0x32c4 */
58  u16 usref_qam64; /* default: 0x5400 */
59  u16 usref_qam256; /* default: 0x2a80 */
60 
61  /* disable i2c repeater - 0:repeater enabled 1:repeater disabled */
62  unsigned int deny_i2c_rptr:1;
63 
64  /* spectral inversion - 0:disabled 1:enabled */
65  unsigned int spectral_inversion:1;
66 
67  /* use RF AGC loop - 0:disabled 1:enabled */
68  unsigned int rf_agc_loop:1;
69 
74 };
75 
76 #if defined(CONFIG_DVB_LGDT3305) || (defined(CONFIG_DVB_LGDT3305_MODULE) && \
77  defined(MODULE))
78 extern
80  struct i2c_adapter *i2c_adap);
81 #else
82 static inline
84  struct i2c_adapter *i2c_adap)
85 {
86  printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
87  return NULL;
88 }
89 #endif /* CONFIG_DVB_LGDT3305 */
90 
91 #endif /* _LGDT3305_H_ */