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

#ifndef __IA_CSS_FPN_TYPES_H
#define __IA_CSS_FPN_TYPES_H

/* @file
* CSS-API header file for Fixed Pattern Noise parameters.
*/

/* Fixed Pattern Noise table.
 *
 *  This contains the fixed patterns noise values
 *  obtained from a black frame capture.
 *
 *  "shift" should be set as the smallest value
 *  which satisfies the requirement the maximum data is less than 64.
 *
 *  ISP block: FPN1
 *  ISP1: FPN1 is used.
 *  ISP2: FPN1 is used.
 */

struct ia_css_fpn_table {
        s16 *data;              /** Table content (fixed patterns noise).
                                        u0.[13-shift], [0,63] */
        u32 width;              /** Table width (in pixels).
                                        This is the input frame width. */
        u32 height;     /** Table height (in pixels).
                                        This is the input frame height. */
        u32 shift;              /** Common exponent of table content.
                                        u8.0, [0,13] */
        u32 enabled;    /** Fpn is enabled.
                                        bool */
};

struct ia_css_fpn_configuration {
        const struct ia_css_frame_info *info;
};

#endif /* __IA_CSS_FPN_TYPES_H */