1d2912cb1SThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-only */ 2dec72739SThierry Reding /* 3dec72739SThierry Reding * Copyright (C) 2013 NVIDIA Corporation 4dec72739SThierry Reding */ 5dec72739SThierry Reding 6dec72739SThierry Reding #ifndef DRM_TEGRA_MIPI_PHY_H 7dec72739SThierry Reding #define DRM_TEGRA_MIPI_PHY_H 8dec72739SThierry Reding 9dec72739SThierry Reding /* 10dec72739SThierry Reding * D-PHY timing parameters 11dec72739SThierry Reding * 12dec72739SThierry Reding * A detailed description of these parameters can be found in the MIPI 13dec72739SThierry Reding * Alliance Specification for D-PHY, Section 5.9 "Global Operation Timing 14dec72739SThierry Reding * Parameters". 15dec72739SThierry Reding * 16dec72739SThierry Reding * All parameters are specified in nanoseconds. 17dec72739SThierry Reding */ 18dec72739SThierry Reding struct mipi_dphy_timing { 19dec72739SThierry Reding unsigned int clkmiss; 20dec72739SThierry Reding unsigned int clkpost; 21dec72739SThierry Reding unsigned int clkpre; 22dec72739SThierry Reding unsigned int clkprepare; 23dec72739SThierry Reding unsigned int clksettle; 24dec72739SThierry Reding unsigned int clktermen; 25dec72739SThierry Reding unsigned int clktrail; 26dec72739SThierry Reding unsigned int clkzero; 27dec72739SThierry Reding unsigned int dtermen; 28dec72739SThierry Reding unsigned int eot; 29dec72739SThierry Reding unsigned int hsexit; 30dec72739SThierry Reding unsigned int hsprepare; 31dec72739SThierry Reding unsigned int hszero; 32dec72739SThierry Reding unsigned int hssettle; 33dec72739SThierry Reding unsigned int hsskip; 34dec72739SThierry Reding unsigned int hstrail; 35dec72739SThierry Reding unsigned int init; 36dec72739SThierry Reding unsigned int lpx; 37dec72739SThierry Reding unsigned int taget; 38dec72739SThierry Reding unsigned int tago; 39dec72739SThierry Reding unsigned int tasure; 40dec72739SThierry Reding unsigned int wakeup; 41dec72739SThierry Reding }; 42dec72739SThierry Reding 43dec72739SThierry Reding int mipi_dphy_timing_get_default(struct mipi_dphy_timing *timing, 44dec72739SThierry Reding unsigned long period); 45dec72739SThierry Reding int mipi_dphy_timing_validate(struct mipi_dphy_timing *timing, 46dec72739SThierry Reding unsigned long period); 47dec72739SThierry Reding 48dec72739SThierry Reding #endif 49