1/*
 2 * Copyright (C) 2013 NVIDIA Corporation
 3 *
 4 * This program is free software; you can redistribute it and/or modify
 5 * it under the terms of the GNU General Public License version 2 as
 6 * published by the Free Software Foundation.
 7 */
 8
 9#ifndef DRM_TEGRA_MIPI_PHY_H
10#define DRM_TEGRA_MIPI_PHY_H
11
12/*
13 * D-PHY timing parameters
14 *
15 * A detailed description of these parameters can be found in the  MIPI
16 * Alliance Specification for D-PHY, Section 5.9 "Global Operation Timing
17 * Parameters".
18 *
19 * All parameters are specified in nanoseconds.
20 */
21struct mipi_dphy_timing {
22	unsigned int clkmiss;
23	unsigned int clkpost;
24	unsigned int clkpre;
25	unsigned int clkprepare;
26	unsigned int clksettle;
27	unsigned int clktermen;
28	unsigned int clktrail;
29	unsigned int clkzero;
30	unsigned int dtermen;
31	unsigned int eot;
32	unsigned int hsexit;
33	unsigned int hsprepare;
34	unsigned int hszero;
35	unsigned int hssettle;
36	unsigned int hsskip;
37	unsigned int hstrail;
38	unsigned int init;
39	unsigned int lpx;
40	unsigned int taget;
41	unsigned int tago;
42	unsigned int tasure;
43	unsigned int wakeup;
44};
45
46int mipi_dphy_timing_get_default(struct mipi_dphy_timing *timing,
47				 unsigned long period);
48int mipi_dphy_timing_validate(struct mipi_dphy_timing *timing,
49			      unsigned long period);
50
51#endif