/* SPDX-License-Identifier: GPL-2.0 */
|
/*
|
* 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_FRAC_H
|
#define _IA_CSS_FRAC_H
|
|
/* @file
|
* This file contains typedefs used for fractional numbers
|
*/
|
|
#include <type_support.h>
|
|
/* Fixed point types.
|
* NOTE: the 16 bit fixed point types actually occupy 32 bits
|
* to save on extension operations in the ISP code.
|
*/
|
/* Unsigned fixed point value, 0 integer bits, 16 fractional bits */
|
typedef u32 ia_css_u0_16;
|
/* Unsigned fixed point value, 5 integer bits, 11 fractional bits */
|
typedef u32 ia_css_u5_11;
|
/* Unsigned fixed point value, 8 integer bits, 8 fractional bits */
|
typedef u32 ia_css_u8_8;
|
/* Signed fixed point value, 0 integer bits, 15 fractional bits */
|
typedef s32 ia_css_s0_15;
|
|
#endif /* _IA_CSS_FRAC_H */
|
