drivers/media/i2c/aptina-pll.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Aptina Sensor PLL Configuration
   4  *
   5  * Copyright (C) 2012 Laurent Pinchart <laurent.pinchart@ideasonboard.com>
   6  */
   7
   8 #ifndef __APTINA_PLL_H
   9 #define __APTINA_PLL_H
  10
  11 struct aptina_pll {
  12         unsigned int ext_clock;
  13         unsigned int pix_clock;
  14
  15         unsigned int n;
  16         unsigned int m;
  17         unsigned int p1;
  18 };
  19
  20 struct aptina_pll_limits {
  21         unsigned int ext_clock_min;
  22         unsigned int ext_clock_max;
  23         unsigned int int_clock_min;
  24         unsigned int int_clock_max;
  25         unsigned int out_clock_min;
  26         unsigned int out_clock_max;
  27         unsigned int pix_clock_max;
  28
  29         unsigned int n_min;
  30         unsigned int n_max;
  31         unsigned int m_min;
  32         unsigned int m_max;
  33         unsigned int p1_min;
  34         unsigned int p1_max;
  35 };
  36
  37 struct device;
  38
  39 int aptina_pll_calculate(struct device *dev,
  40                          const struct aptina_pll_limits *limits,
  41                          struct aptina_pll *pll);
  42
  43 #endif /* __APTINA_PLL_H */