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      1 /*	$NetBSD: ch7006.h,v 1.3 2021/12/18 23:45:46 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright (C) 2009 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_CH7006_H__
     30 #define __DRM_I2C_CH7006_H__
     31 
     32 /**
     33  * struct ch7006_encoder_params
     34  *
     35  * Describes how the ch7006 is wired up with the GPU. It should be
     36  * used as the @params parameter of its @set_config method.
     37  *
     38  * See "http://www.chrontel.com/pdf/7006.pdf" for their precise
     39  * meaning.
     40  */
     41 struct ch7006_encoder_params {
     42 	enum {
     43 		CH7006_FORMAT_RGB16 = 0,
     44 		CH7006_FORMAT_YCrCb24m16,
     45 		CH7006_FORMAT_RGB24m16,
     46 		CH7006_FORMAT_RGB15,
     47 		CH7006_FORMAT_RGB24m12C,
     48 		CH7006_FORMAT_RGB24m12I,
     49 		CH7006_FORMAT_RGB24m8,
     50 		CH7006_FORMAT_RGB16m8,
     51 		CH7006_FORMAT_RGB15m8,
     52 		CH7006_FORMAT_YCrCb24m8,
     53 	} input_format;
     54 
     55 	enum {
     56 		CH7006_CLOCK_SLAVE = 0,
     57 		CH7006_CLOCK_MASTER,
     58 	} clock_mode;
     59 
     60 	enum {
     61 		CH7006_CLOCK_EDGE_NEG = 0,
     62 		CH7006_CLOCK_EDGE_POS,
     63 	} clock_edge;
     64 
     65 	int xcm, pcm;
     66 
     67 	enum {
     68 		CH7006_SYNC_SLAVE = 0,
     69 		CH7006_SYNC_MASTER,
     70 	} sync_direction;
     71 
     72 	enum {
     73 		CH7006_SYNC_SEPARATED = 0,
     74 		CH7006_SYNC_EMBEDDED,
     75 	} sync_encoding;
     76 
     77 	enum {
     78 		CH7006_POUT_1_8V = 0,
     79 		CH7006_POUT_3_3V,
     80 	} pout_level;
     81 
     82 	enum {
     83 		CH7006_ACTIVE_HSYNC = 0,
     84 		CH7006_ACTIVE_DSTART,
     85 	} active_detect;
     86 };
     87 
     88 #endif
     89