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Filename : ch7006.h
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/*
 * Copyright (C) 2009 Francisco Jerez.
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial
 * portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 */

#ifndef __DRM_I2C_CH7006_H__
#define __DRM_I2C_CH7006_H__

/**
 * struct ch7006_encoder_params
 *
 * Describes how the ch7006 is wired up with the GPU. It should be
 * used as the @params parameter of its @set_config method.
 *
 * See "http://www.chrontel.com/pdf/7006.pdf" for their precise
 * meaning.
 */
struct ch7006_encoder_params {
	enum {
		CH7006_FORMAT_RGB16 = 0,
		CH7006_FORMAT_YCrCb24m16,
		CH7006_FORMAT_RGB24m16,
		CH7006_FORMAT_RGB15,
		CH7006_FORMAT_RGB24m12C,
		CH7006_FORMAT_RGB24m12I,
		CH7006_FORMAT_RGB24m8,
		CH7006_FORMAT_RGB16m8,
		CH7006_FORMAT_RGB15m8,
		CH7006_FORMAT_YCrCb24m8,
	} input_format;

	enum {
		CH7006_CLOCK_SLAVE = 0,
		CH7006_CLOCK_MASTER,
	} clock_mode;

	enum {
		CH7006_CLOCK_EDGE_NEG = 0,
		CH7006_CLOCK_EDGE_POS,
	} clock_edge;

	int xcm, pcm;

	enum {
		CH7006_SYNC_SLAVE = 0,
		CH7006_SYNC_MASTER,
	} sync_direction;

	enum {
		CH7006_SYNC_SEPARATED = 0,
		CH7006_SYNC_EMBEDDED,
	} sync_encoding;

	enum {
		CH7006_POUT_1_8V = 0,
		CH7006_POUT_3_3V,
	} pout_level;

	enum {
		CH7006_ACTIVE_HSYNC = 0,
		CH7006_ACTIVE_DSTART,
	} active_detect;
};

#endif