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

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * Copyright (C) 2013 NVIDIA Corporation
   4 */
   5
   6#ifndef DRM_TEGRA_MIPI_PHY_H
   7#define DRM_TEGRA_MIPI_PHY_H
   8
   9/*
  10 * D-PHY timing parameters
  11 *
  12 * A detailed description of these parameters can be found in the  MIPI
  13 * Alliance Specification for D-PHY, Section 5.9 "Global Operation Timing
  14 * Parameters".
  15 *
  16 * All parameters are specified in nanoseconds.
  17 */
  18struct mipi_dphy_timing {
  19        unsigned int clkmiss;
  20        unsigned int clkpost;
  21        unsigned int clkpre;
  22        unsigned int clkprepare;
  23        unsigned int clksettle;
  24        unsigned int clktermen;
  25        unsigned int clktrail;
  26        unsigned int clkzero;
  27        unsigned int dtermen;
  28        unsigned int eot;
  29        unsigned int hsexit;
  30        unsigned int hsprepare;
  31        unsigned int hszero;
  32        unsigned int hssettle;
  33        unsigned int hsskip;
  34        unsigned int hstrail;
  35        unsigned int init;
  36        unsigned int lpx;
  37        unsigned int taget;
  38        unsigned int tago;
  39        unsigned int tasure;
  40        unsigned int wakeup;
  41};
  42
  43int mipi_dphy_timing_get_default(struct mipi_dphy_timing *timing,
  44                                 unsigned long period);
  45int mipi_dphy_timing_validate(struct mipi_dphy_timing *timing,
  46                              unsigned long period);
  47
  48#endif
  49