include/drm/i2c/ch7006.h

   1 /*
   2  * Copyright (C) 2009 Francisco Jerez.
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining
   6  * a copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sublicense, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial
  15  * portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  20  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  */
  26
  27 #ifndef __DRM_I2C_CH7006_H__
  28 #define __DRM_I2C_CH7006_H__
  29
  30 /**
  31  * struct ch7006_encoder_params
  32  *
  33  * Describes how the ch7006 is wired up with the GPU. It should be
  34  * used as the @params parameter of its @set_config method.
  35  *
  36  * See "http://www.chrontel.com/pdf/7006.pdf" for their precise
  37  * meaning.
  38  */
  39 struct ch7006_encoder_params {
  40         enum {
  41                 CH7006_FORMAT_RGB16 = 0,
  42                 CH7006_FORMAT_YCrCb24m16,
  43                 CH7006_FORMAT_RGB24m16,
  44                 CH7006_FORMAT_RGB15,
  45                 CH7006_FORMAT_RGB24m12C,
  46                 CH7006_FORMAT_RGB24m12I,
  47                 CH7006_FORMAT_RGB24m8,
  48                 CH7006_FORMAT_RGB16m8,
  49                 CH7006_FORMAT_RGB15m8,
  50                 CH7006_FORMAT_YCrCb24m8,
  51         } input_format;
  52
  53         enum {
  54                 CH7006_CLOCK_SLAVE = 0,
  55                 CH7006_CLOCK_MASTER,
  56         } clock_mode;
  57
  58         enum {
  59                 CH7006_CLOCK_EDGE_NEG = 0,
  60                 CH7006_CLOCK_EDGE_POS,
  61         } clock_edge;
  62
  63         int xcm, pcm;
  64
  65         enum {
  66                 CH7006_SYNC_SLAVE = 0,
  67                 CH7006_SYNC_MASTER,
  68         } sync_direction;
  69
  70         enum {
  71                 CH7006_SYNC_SEPARATED = 0,
  72                 CH7006_SYNC_EMBEDDED,
  73         } sync_encoding;
  74
  75         enum {
  76                 CH7006_POUT_1_8V = 0,
  77                 CH7006_POUT_3_3V,
  78         } pout_level;
  79
  80         enum {
  81                 CH7006_ACTIVE_HSYNC = 0,
  82                 CH7006_ACTIVE_DSTART,
  83         } active_detect;
  84 };
  85
  86 #endif