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ch7006.h revision 1.1 
      1 /*
      2  * Copyright (C) 2009 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_CH7006_H__
     28 #define __DRM_I2C_CH7006_H__
     29 
     30 /**
     31  * struct ch7006_encoder_params
     32  *
     33  * Describes how the ch7006 is wired up with the GPU. It should be
     34  * used as the @params parameter of its @set_config method.
     35  *
     36  * See "http://www.chrontel.com/pdf/7006.pdf" for their precise
     37  * meaning.
     38  */
     39 struct ch7006_encoder_params {
     40 	enum {
     41 		CH7006_FORMAT_RGB16 = 0,
     42 		CH7006_FORMAT_YCrCb24m16,
     43 		CH7006_FORMAT_RGB24m16,
     44 		CH7006_FORMAT_RGB15,
     45 		CH7006_FORMAT_RGB24m12C,
     46 		CH7006_FORMAT_RGB24m12I,
     47 		CH7006_FORMAT_RGB24m8,
     48 		CH7006_FORMAT_RGB16m8,
     49 		CH7006_FORMAT_RGB15m8,
     50 		CH7006_FORMAT_YCrCb24m8,
     51 	} input_format;
     52 
     53 	enum {
     54 		CH7006_CLOCK_SLAVE = 0,
     55 		CH7006_CLOCK_MASTER,
     56 	} clock_mode;
     57 
     58 	enum {
     59 		CH7006_CLOCK_EDGE_NEG = 0,
     60 		CH7006_CLOCK_EDGE_POS,
     61 	} clock_edge;
     62 
     63 	int xcm, pcm;
     64 
     65 	enum {
     66 		CH7006_SYNC_SLAVE = 0,
     67 		CH7006_SYNC_MASTER,
     68 	} sync_direction;
     69 
     70 	enum {
     71 		CH7006_SYNC_SEPARATED = 0,
     72 		CH7006_SYNC_EMBEDDED,
     73 	} sync_encoding;
     74 
     75 	enum {
     76 		CH7006_POUT_1_8V = 0,
     77 		CH7006_POUT_3_3V,
     78 	} pout_level;
     79 
     80 	enum {
     81 		CH7006_ACTIVE_HSYNC = 0,
     82 		CH7006_ACTIVE_DSTART,
     83 	} active_detect;
     84 };
     85 
     86 #endif
     87