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aptina-pll.h
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1 /*
2  * Aptina Sensor PLL Configuration
3  *
4  * Copyright (C) 2012 Laurent Pinchart <[email protected]>
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * version 2 as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it will be useful, but
11  * WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
18  * 02110-1301 USA
19  */
20 
21 #ifndef __APTINA_PLL_H
22 #define __APTINA_PLL_H
23 
24 struct aptina_pll {
25  unsigned int ext_clock;
26  unsigned int pix_clock;
27 
28  unsigned int n;
29  unsigned int m;
30  unsigned int p1;
31 };
32 
33 struct aptina_pll_limits {
34  unsigned int ext_clock_min;
35  unsigned int ext_clock_max;
36  unsigned int int_clock_min;
37  unsigned int int_clock_max;
38  unsigned int out_clock_min;
39  unsigned int out_clock_max;
40  unsigned int pix_clock_max;
41 
42  unsigned int n_min;
43  unsigned int n_max;
44  unsigned int m_min;
45  unsigned int m_max;
46  unsigned int p1_min;
47  unsigned int p1_max;
48 };
49 
50 struct device;
51 
52 int aptina_pll_calculate(struct device *dev,
53  const struct aptina_pll_limits *limits,
54  struct aptina_pll *pll);
55 
56 #endif /* __APTINA_PLL_H */
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