LXR linux/include/drm/i2c/sil164.h

   1/*
   2 * Copyright (C) 2010 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_SIL164_H__
  28#define __DRM_I2C_SIL164_H__
  29
  30/**
  31 * struct sil164_encoder_params
  32 *
  33 * Describes how the sil164 is connected to the GPU. It should be used
  34 * as the @params parameter of its @set_config method.
  35 *
  36 * See "http://www.siliconimage.com/docs/SiI-DS-0021-E-164.pdf".
  37 */
  38struct sil164_encoder_params {
  39        enum {
  40                SIL164_INPUT_EDGE_FALLING = 0,
  41                SIL164_INPUT_EDGE_RISING
  42        } input_edge;
  43
  44        enum {
  45                SIL164_INPUT_WIDTH_12BIT = 0,
  46                SIL164_INPUT_WIDTH_24BIT
  47        } input_width;
  48
  49        enum {
  50                SIL164_INPUT_SINGLE_EDGE = 0,
  51                SIL164_INPUT_DUAL_EDGE
  52        } input_dual;
  53
  54        enum {
  55                SIL164_PLL_FILTER_ON = 0,
  56                SIL164_PLL_FILTER_OFF,
  57        } pll_filter;
  58
  59        int input_skew; /** < Allowed range [-4, 3], use 0 for no de-skew. */
  60        int duallink_skew; /** < Allowed range [-4, 3]. */
  61};
  62
  63#endif
  64