/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Support for Intel Camera Imaging ISP subsystem.
 * Copyright (c) 2015, Intel Corporation.
 */

#ifndef __IA_CSS_OB_TYPES_H
#define __IA_CSS_OB_TYPES_H

/* @file
* CSS-API header file for Optical Black level parameters.
*/

#include "ia_css_frac.h"

/* Optical black mode.
 */
enum ia_css_ob_mode {
        IA_CSS_OB_MODE_NONE,    /** OB has no effect. */
        IA_CSS_OB_MODE_FIXED,   /** Fixed OB */
        IA_CSS_OB_MODE_RASTER   /** Raster OB */
};

/* Optical Black level configuration.
 *
 *  ISP block: OB1
 *  ISP1: OB1 is used.
 *  ISP2: OB1 is used.
 */
struct ia_css_ob_config {
        enum ia_css_ob_mode mode; /** Mode (None / Fixed / Raster).
                                        enum, [0,2],
                                        default 1, ineffective 0 */
        ia_css_u0_16 level_gr;    /** Black level for GR pixels
                                        (used for Fixed Mode only).
                                        u0.16, [0,65535],
                                        default/ineffective 0 */
        ia_css_u0_16 level_r;     /** Black level for R pixels
                                        (used for Fixed Mode only).
                                        u0.16, [0,65535],
                                        default/ineffective 0 */
        ia_css_u0_16 level_b;     /** Black level for B pixels
                                        (used for Fixed Mode only).
                                        u0.16, [0,65535],
                                        default/ineffective 0 */
        ia_css_u0_16 level_gb;    /** Black level for GB pixels
                                        (used for Fixed Mode only).
                                        u0.16, [0,65535],
                                        default/ineffective 0 */
        u16 start_position; /** Start position of OB area
                                        (used for Raster Mode only).
                                        u16.0, [0,63],
                                        default/ineffective 0 */
        u16 end_position;  /** End position of OB area
                                        (used for Raster Mode only).
                                        u16.0, [0,63],
                                        default/ineffective 0 */
};

#endif /* __IA_CSS_OB_TYPES_H */