linux/drivers/media/i2c/aptina-pll.h

52 lines
1.2 KiB
C

/*
* Aptina Sensor PLL Configuration
*
* Copyright (C) 2012 Laurent Pinchart <laurent.pinchart@ideasonboard.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef __APTINA_PLL_H
#define __APTINA_PLL_H
struct aptina_pll {
unsigned int ext_clock;
unsigned int pix_clock;
unsigned int n;
unsigned int m;
unsigned int p1;
};
struct aptina_pll_limits {
unsigned int ext_clock_min;
unsigned int ext_clock_max;
unsigned int int_clock_min;
unsigned int int_clock_max;
unsigned int out_clock_min;
unsigned int out_clock_max;
unsigned int pix_clock_max;
unsigned int n_min;
unsigned int n_max;
unsigned int m_min;
unsigned int m_max;
unsigned int p1_min;
unsigned int p1_max;
};
struct device;
int aptina_pll_calculate(struct device *dev,
const struct aptina_pll_limits *limits,
struct aptina_pll *pll);
#endif /* __APTINA_PLL_H */