| Svyatoslav Ryhel | feddf9f | 2023-03-27 11:11:48 +0300 | [diff] [blame] | 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 | */ |
| 18 | struct 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 | |
| 43 | int mipi_dphy_timing_get_default(struct mipi_dphy_timing *timing, |
| 44 | unsigned long period); |
| 45 | int mipi_dphy_timing_validate(struct mipi_dphy_timing *timing, |
| 46 | unsigned long period); |
| 47 | |
| 48 | #endif |