kernel/drivers/gpu/drm/tegra/mipi-phy.h

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2024-07-22 17:22:30 +08:00
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2013 NVIDIA Corporation
*/
#ifndef DRM_TEGRA_MIPI_PHY_H
#define DRM_TEGRA_MIPI_PHY_H
/*
* D-PHY timing parameters
*
* A detailed description of these parameters can be found in the MIPI
* Alliance Specification for D-PHY, Section 5.9 "Global Operation Timing
* Parameters".
*
* All parameters are specified in nanoseconds.
*/
struct mipi_dphy_timing {
unsigned int clkmiss;
unsigned int clkpost;
unsigned int clkpre;
unsigned int clkprepare;
unsigned int clksettle;
unsigned int clktermen;
unsigned int clktrail;
unsigned int clkzero;
unsigned int dtermen;
unsigned int eot;
unsigned int hsexit;
unsigned int hsprepare;
unsigned int hszero;
unsigned int hssettle;
unsigned int hsskip;
unsigned int hstrail;
unsigned int init;
unsigned int lpx;
unsigned int taget;
unsigned int tago;
unsigned int tasure;
unsigned int wakeup;
};
int mipi_dphy_timing_get_default(struct mipi_dphy_timing *timing,
unsigned long period);
int mipi_dphy_timing_validate(struct mipi_dphy_timing *timing,
unsigned long period);
#endif