1/*
2 * Aptina Sensor PLL Configuration
3 *
4 * Copyright (C) 2012 Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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
24struct 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
33struct 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
50struct device;
51
52int aptina_pll_calculate(struct device *dev,
53			 const struct aptina_pll_limits *limits,
54			 struct aptina_pll *pll);
55
56#endif /* __APTINA_PLL_H */
57