drm/i2c/ch7006.h

0001 /*
0002  * Copyright (C) 2009 Francisco Jerez.
0003  * All Rights Reserved.
0004  *
0005  * Permission is hereby granted, free of charge, to any person obtaining
0006  * a copy of this software and associated documentation files (the
0007  * "Software"), to deal in the Software without restriction, including
0008  * without limitation the rights to use, copy, modify, merge, publish,
0009  * distribute, sublicense, and/or sell copies of the Software, and to
0010  * permit persons to whom the Software is furnished to do so, subject to
0011  * the following conditions:
0012  *
0013  * The above copyright notice and this permission notice (including the
0014  * next paragraph) shall be included in all copies or substantial
0015  * portions of the Software.
0016  *
0017  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
0018  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
0019  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
0020  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
0021  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
0022  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
0023  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
0024  *
0025  */
0026
0027 #ifndef __DRM_I2C_CH7006_H__
0028 #define __DRM_I2C_CH7006_H__
0029
0030 /**
0031  * struct ch7006_encoder_params
0032  *
0033  * Describes how the ch7006 is wired up with the GPU. It should be
0034  * used as the @params parameter of its @set_config method.
0035  *
0036  * See "http://www.chrontel.com/pdf/7006.pdf" for their precise
0037  * meaning.
0038  */
0039 struct ch7006_encoder_params {
0040     enum {
0041         CH7006_FORMAT_RGB16 = 0,
0042         CH7006_FORMAT_YCrCb24m16,
0043         CH7006_FORMAT_RGB24m16,
0044         CH7006_FORMAT_RGB15,
0045         CH7006_FORMAT_RGB24m12C,
0046         CH7006_FORMAT_RGB24m12I,
0047         CH7006_FORMAT_RGB24m8,
0048         CH7006_FORMAT_RGB16m8,
0049         CH7006_FORMAT_RGB15m8,
0050         CH7006_FORMAT_YCrCb24m8,
0051     } input_format;
0052
0053     enum {
0054         CH7006_CLOCK_SLAVE = 0,
0055         CH7006_CLOCK_MASTER,
0056     } clock_mode;
0057
0058     enum {
0059         CH7006_CLOCK_EDGE_NEG = 0,
0060         CH7006_CLOCK_EDGE_POS,
0061     } clock_edge;
0062
0063     int xcm, pcm;
0064
0065     enum {
0066         CH7006_SYNC_SLAVE = 0,
0067         CH7006_SYNC_MASTER,
0068     } sync_direction;
0069
0070     enum {
0071         CH7006_SYNC_SEPARATED = 0,
0072         CH7006_SYNC_EMBEDDED,
0073     } sync_encoding;
0074
0075     enum {
0076         CH7006_POUT_1_8V = 0,
0077         CH7006_POUT_3_3V,
0078     } pout_level;
0079
0080     enum {
0081         CH7006_ACTIVE_HSYNC = 0,
0082         CH7006_ACTIVE_DSTART,
0083     } active_detect;
0084 };
0085
0086 #endif