LXR linux/drivers/gpu/drm/tegra/mipi-phy.h

   1/*
   2 * Copyright (C) 2013 NVIDIA Corporation
   3 *
   4 * This program is free software; you can redistribute it and/or modify
   5 * it under the terms of the GNU General Public License version 2 as
   6 * published by the Free Software Foundation.
   7 */
   8
   9#ifndef DRM_TEGRA_MIPI_PHY_H
  10#define DRM_TEGRA_MIPI_PHY_H
  11
  12/*
  13 * D-PHY timing parameters
  14 *
  15 * A detailed description of these parameters can be found in the  MIPI
  16 * Alliance Specification for D-PHY, Section 5.9 "Global Operation Timing
  17 * Parameters".
  18 *
  19 * All parameters are specified in nanoseconds.
  20 */
  21struct mipi_dphy_timing {
  22        unsigned int clkmiss;
  23        unsigned int clkpost;
  24        unsigned int clkpre;
  25        unsigned int clkprepare;
  26        unsigned int clksettle;
  27        unsigned int clktermen;
  28        unsigned int clktrail;
  29        unsigned int clkzero;
  30        unsigned int dtermen;
  31        unsigned int eot;
  32        unsigned int hsexit;
  33        unsigned int hsprepare;
  34        unsigned int hszero;
  35        unsigned int hssettle;
  36        unsigned int hsskip;
  37        unsigned int hstrail;
  38        unsigned int init;
  39        unsigned int lpx;
  40        unsigned int taget;
  41        unsigned int tago;
  42        unsigned int tasure;
  43        unsigned int wakeup;
  44};
  45
  46int mipi_dphy_timing_get_default(struct mipi_dphy_timing *timing,
  47                                 unsigned long period);
  48int mipi_dphy_timing_validate(struct mipi_dphy_timing *timing,
  49                              unsigned long period);
  50
  51#endif
  52