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/*
* Support for Intel Camera Imaging ISP subsystem.
* Copyright (c) 2015, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
/* For MIPI_PORT0_ID to MIPI_PORT2_ID */
#include "system_global.h"
#ifndef __IA_CSS_INPUT_PORT_H
#define __IA_CSS_INPUT_PORT_H
/* @file
* This file contains information about the possible input ports for CSS
*/
/* Backward compatible for CSS API 2.0 only
* TO BE REMOVED when all drivers move to CSS API 2.1
*/
#define IA_CSS_CSI2_PORT_4LANE MIPI_PORT0_ID
#define IA_CSS_CSI2_PORT_1LANE MIPI_PORT1_ID
#define IA_CSS_CSI2_PORT_2LANE MIPI_PORT2_ID
/* The CSI2 interface supports 2 types of compression or can
* be run without compression.
*/
enum ia_css_csi2_compression_type {
IA_CSS_CSI2_COMPRESSION_TYPE_NONE, /** No compression */
IA_CSS_CSI2_COMPRESSION_TYPE_1, /** Compression scheme 1 */
IA_CSS_CSI2_COMPRESSION_TYPE_2 /** Compression scheme 2 */
};
struct ia_css_csi2_compression {
enum ia_css_csi2_compression_type type;
/** Compression used */
unsigned int compressed_bits_per_pixel;
/** Compressed bits per pixel (only when compression is enabled) */
unsigned int uncompressed_bits_per_pixel;
/** Uncompressed bits per pixel (only when compression is enabled) */
};
/* Input port structure.
*/
struct ia_css_input_port {
enum mipi_port_id port; /** Physical CSI-2 port */
unsigned int num_lanes; /** Number of lanes used (4-lane port only) */
unsigned int timeout; /** Timeout value */
unsigned int rxcount; /** Register value, should include all lanes */
struct ia_css_csi2_compression compression; /** Compression used */
};
#endif /* __IA_CSS_INPUT_PORT_H */
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