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drivers
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gpu
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drm
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tegra
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mipi-phy.h

mipi-phy.h 2.2 KB
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  1. /*
    2. 

  2.  * Copyright (C) 2013 NVIDIA Corporation
    3. 

  3.  *
    4. 

  4.  * Permission to use, copy, modify, distribute, and sell this software and its
    5. 

  5.  * documentation for any purpose is hereby granted without fee, provided that
    6. 

  6.  * the above copyright notice appear in all copies and that both that copyright
    7. 

  7.  * notice and this permission notice appear in supporting documentation, and
    8. 

  8.  * that the name of the copyright holders not be used in advertising or
    9. 

  9.  * publicity pertaining to distribution of the software without specific,
    10. 

  10.  * written prior permission.  The copyright holders make no representations
    11. 

  11.  * about the suitability of this software for any purpose.  It is provided "as
    12. 

  12.  * is" without express or implied warranty.
    13. 

  13.  *
    14. 

  14.  * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
    15. 

  15.  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
    16. 

  16.  * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
    17. 

  17.  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
    18. 

  18.  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
    19. 

  19.  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
    20. 

  20.  * OF THIS SOFTWARE.
    21. 

  21.  */
    22. 

  22. 

  23. #ifndef DRM_TEGRA_MIPI_PHY_H
    24. 

  24. #define DRM_TEGRA_MIPI_PHY_H
    25. 

  25. 

  26. /*
    27. 

  27.  * D-PHY timing parameters
    28. 

  28.  *
    29. 

  29.  * A detailed description of these parameters can be found in the  MIPI
    30. 

  30.  * Alliance Specification for D-PHY, Section 5.9 "Global Operation Timing
    31. 

  31.  * Parameters".
    32. 

  32.  *
    33. 

  33.  * All parameters are specified in nanoseconds.
    34. 

  34.  */
    35. 

  35. struct mipi_dphy_timing {
    36. 

  36. 	unsigned int clkmiss;
    37. 

  37. 	unsigned int clkpost;
    38. 

  38. 	unsigned int clkpre;
    39. 

  39. 	unsigned int clkprepare;
    40. 

  40. 	unsigned int clksettle;
    41. 

  41. 	unsigned int clktermen;
    42. 

  42. 	unsigned int clktrail;
    43. 

  43. 	unsigned int clkzero;
    44. 

  44. 	unsigned int dtermen;
    45. 

  45. 	unsigned int eot;
    46. 

  46. 	unsigned int hsexit;
    47. 

  47. 	unsigned int hsprepare;
    48. 

  48. 	unsigned int hszero;
    49. 

  49. 	unsigned int hssettle;
    50. 

  50. 	unsigned int hsskip;
    51. 

  51. 	unsigned int hstrail;
    52. 

  52. 	unsigned int init;
    53. 

  53. 	unsigned int lpx;
    54. 

  54. 	unsigned int taget;
    55. 

  55. 	unsigned int tago;
    56. 

  56. 	unsigned int tasure;
    57. 

  57. 	unsigned int wakeup;
    58. 

  58. };
    59. 

  59. 

  60. int mipi_dphy_timing_get_default(struct mipi_dphy_timing *timing,
    61. 

  61. 				 unsigned long period);
    62. 

  62. int mipi_dphy_timing_validate(struct mipi_dphy_timing *timing,
    63. 

  63. 			      unsigned long period);
    64. 

  64. 

  65. #endif
    66.