1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (C) 2013 NVIDIA Corporation 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #ifndef DRM_TEGRA_MIPI_PHY_H 7*4882a593Smuzhiyun #define DRM_TEGRA_MIPI_PHY_H 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun /* 10*4882a593Smuzhiyun * D-PHY timing parameters 11*4882a593Smuzhiyun * 12*4882a593Smuzhiyun * A detailed description of these parameters can be found in the MIPI 13*4882a593Smuzhiyun * Alliance Specification for D-PHY, Section 5.9 "Global Operation Timing 14*4882a593Smuzhiyun * Parameters". 15*4882a593Smuzhiyun * 16*4882a593Smuzhiyun * All parameters are specified in nanoseconds. 17*4882a593Smuzhiyun */ 18*4882a593Smuzhiyun struct mipi_dphy_timing { 19*4882a593Smuzhiyun unsigned int clkmiss; 20*4882a593Smuzhiyun unsigned int clkpost; 21*4882a593Smuzhiyun unsigned int clkpre; 22*4882a593Smuzhiyun unsigned int clkprepare; 23*4882a593Smuzhiyun unsigned int clksettle; 24*4882a593Smuzhiyun unsigned int clktermen; 25*4882a593Smuzhiyun unsigned int clktrail; 26*4882a593Smuzhiyun unsigned int clkzero; 27*4882a593Smuzhiyun unsigned int dtermen; 28*4882a593Smuzhiyun unsigned int eot; 29*4882a593Smuzhiyun unsigned int hsexit; 30*4882a593Smuzhiyun unsigned int hsprepare; 31*4882a593Smuzhiyun unsigned int hszero; 32*4882a593Smuzhiyun unsigned int hssettle; 33*4882a593Smuzhiyun unsigned int hsskip; 34*4882a593Smuzhiyun unsigned int hstrail; 35*4882a593Smuzhiyun unsigned int init; 36*4882a593Smuzhiyun unsigned int lpx; 37*4882a593Smuzhiyun unsigned int taget; 38*4882a593Smuzhiyun unsigned int tago; 39*4882a593Smuzhiyun unsigned int tasure; 40*4882a593Smuzhiyun unsigned int wakeup; 41*4882a593Smuzhiyun }; 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun int mipi_dphy_timing_get_default(struct mipi_dphy_timing *timing, 44*4882a593Smuzhiyun unsigned long period); 45*4882a593Smuzhiyun int mipi_dphy_timing_validate(struct mipi_dphy_timing *timing, 46*4882a593Smuzhiyun unsigned long period); 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun #endif 49