1 /* $NetBSD: sil164.h,v 1.3 2021/12/18 23:45:46 riastradh Exp $ */ 2 3 /* 4 * Copyright (C) 2010 Francisco Jerez. 5 * All Rights Reserved. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining 8 * a copy of this software and associated documentation files (the 9 * "Software"), to deal in the Software without restriction, including 10 * without limitation the rights to use, copy, modify, merge, publish, 11 * distribute, sublicense, and/or sell copies of the Software, and to 12 * permit persons to whom the Software is furnished to do so, subject to 13 * the following conditions: 14 * 15 * The above copyright notice and this permission notice (including the 16 * next paragraph) shall be included in all copies or substantial 17 * portions of the Software. 18 * 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 20 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 22 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 23 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 24 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 25 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 26 * 27 */ 28 29 #ifndef __DRM_I2C_SIL164_H__ 30 #define __DRM_I2C_SIL164_H__ 31 32 /** 33 * struct sil164_encoder_params 34 * 35 * Describes how the sil164 is connected to the GPU. It should be used 36 * as the @params parameter of its @set_config method. 37 * 38 * See "http://www.siliconimage.com/docs/SiI-DS-0021-E-164.pdf". 39 */ 40 struct sil164_encoder_params { 41 enum { 42 SIL164_INPUT_EDGE_FALLING = 0, 43 SIL164_INPUT_EDGE_RISING 44 } input_edge; 45 46 enum { 47 SIL164_INPUT_WIDTH_12BIT = 0, 48 SIL164_INPUT_WIDTH_24BIT 49 } input_width; 50 51 enum { 52 SIL164_INPUT_SINGLE_EDGE = 0, 53 SIL164_INPUT_DUAL_EDGE 54 } input_dual; 55 56 enum { 57 SIL164_PLL_FILTER_ON = 0, 58 SIL164_PLL_FILTER_OFF, 59 } pll_filter; 60 61 int input_skew; /** < Allowed range [-4, 3], use 0 for no de-skew. */ 62 int duallink_skew; /** < Allowed range [-4, 3]. */ 63 }; 64 65 #endif 66