/* 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_CNR2_TYPES_H
#define __IA_CSS_CNR2_TYPES_H
/* @file
* CSS-API header file for Chroma Noise Reduction (CNR) parameters
*/
/* Chroma Noise Reduction configuration.
*
* Small sensitivity of edge means strong smoothness and NR performance.
* If you see blurred color on vertical edges,
* set higher values on sense_gain_h*.
* If you see blurred color on horizontal edges,
* set higher values on sense_gain_v*.
*
* ISP block: CNR2
* (ISP1: CNR1 is used.)
* (ISP2: CNR1 is used for Preview/Video.)
* ISP2: CNR2 is used for Still.
*/
struct ia_css_cnr_config {
u16 coring_u; /** Coring level of U.
u0.13, [0,8191], default/ineffective 0 */
u16 coring_v; /** Coring level of V.
u0.13, [0,8191], default/ineffective 0 */
u16 sense_gain_vy; /** Sensitivity of horizontal edge of Y.
u13.0, [0,8191], default 100, ineffective 8191 */
u16 sense_gain_vu; /** Sensitivity of horizontal edge of U.
u13.0, [0,8191], default 100, ineffective 8191 */
u16 sense_gain_vv; /** Sensitivity of horizontal edge of V.
u13.0, [0,8191], default 100, ineffective 8191 */
u16 sense_gain_hy; /** Sensitivity of vertical edge of Y.
u13.0, [0,8191], default 50, ineffective 8191 */
u16 sense_gain_hu; /** Sensitivity of vertical edge of U.
u13.0, [0,8191], default 50, ineffective 8191 */
u16 sense_gain_hv; /** Sensitivity of vertical edge of V.
u13.0, [0,8191], default 50, ineffective 8191 */
};
#endif /* __IA_CSS_CNR2_TYPES_H */
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