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sil164.h revision 1.1 
      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  */
     38 struct 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