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path: root/drivers/media/i2c/aptina-pll.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Aptina Sensor PLL Configuration
 *
 * Copyright (C) 2012 Laurent Pinchart <laurent.pinchart@ideasonboard.com>
 */

#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 */