LXR linux/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 */
  39struct 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
  87