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