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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.
*/
#ifndef __IA_CSS_AA2_STATE_H
#define __IA_CSS_AA2_STATE_H
#include "type_support.h"
#include "vmem.h" /* for VMEM_ARRAY*/
/* Denotes the maximum number of pixels per line that can be processed:
* MAX_AA_VECTORS_PER_LINE = maximum_line_width / ISP_NWAY */
#ifndef MAX_AA_VECTORS_PER_LINE
#error Please define MAX_AA_VECTORS_PER_LINE.
#endif
/* This uses 2 history lines for both y, u and v*/
#define AA_STATE_Y_BUFFER_HEIGHT 2
#define AA_STATE_UV_BUFFER_HEIGHT 2
#define AA_STATE_Y_BUFFER_WIDTH MAX_AA_VECTORS_PER_LINE
/* The number of u and v elements is half y due to yuv420 downsampling. */
#define AA_STATE_UV_BUFFER_WIDTH (AA_STATE_Y_BUFFER_WIDTH/2)
struct ia_css_isp_aa_vmem_state {
VMEM_ARRAY(y[AA_STATE_Y_BUFFER_HEIGHT], AA_STATE_Y_BUFFER_WIDTH*ISP_NWAY);
VMEM_ARRAY(u[AA_STATE_UV_BUFFER_HEIGHT], AA_STATE_UV_BUFFER_WIDTH*ISP_NWAY);
VMEM_ARRAY(v[AA_STATE_UV_BUFFER_HEIGHT], AA_STATE_UV_BUFFER_WIDTH*ISP_NWAY);
};
#endif /* __IA_CSS_AA2_STATE_H */
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