kernel/include/drm/i2c/ch7006.h
2024-07-22 17:22:30 +08:00

87 lines
2.2 KiB
C

/*
* 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