/* SPDX-License-Identifier: GPL-2.0 */
/* Release Version: irci_stable_candrpv_0415_20150521_0458 */
/*
 * Support for Intel Camera Imaging ISP subsystem.
 * Copyright (c) 2015, Intel Corporation.
 */

#ifndef __IA_CSS_HDR_TYPES_H
#define __IA_CSS_HDR_TYPES_H

#define IA_CSS_HDR_MAX_NUM_INPUT_FRAMES         (3)

/**
 * \brief HDR Irradiance Parameters
 * \detail Currently HDR parameters are used only for testing purposes
 */
struct ia_css_hdr_irradiance_params {
        int test_irr;                                          /** Test parameter */
        int match_shift[IA_CSS_HDR_MAX_NUM_INPUT_FRAMES -
                                                        1];  /** Histogram matching shift parameter */
        int match_mul[IA_CSS_HDR_MAX_NUM_INPUT_FRAMES -
                                                      1];    /** Histogram matching multiplication parameter */
        int thr_low[IA_CSS_HDR_MAX_NUM_INPUT_FRAMES -
                                                    1];      /** Weight map soft threshold low bound parameter */
        int thr_high[IA_CSS_HDR_MAX_NUM_INPUT_FRAMES -
                                                     1];     /** Weight map soft threshold high bound parameter */
        int thr_coeff[IA_CSS_HDR_MAX_NUM_INPUT_FRAMES -
                                                      1];    /** Soft threshold linear function coefficien */
        int thr_shift[IA_CSS_HDR_MAX_NUM_INPUT_FRAMES -
                                                      1];    /** Soft threshold precision shift parameter */
        int weight_bpp;                                        /** Weight map bits per pixel */
};

/**
 * \brief HDR Deghosting Parameters
 * \detail Currently HDR parameters are used only for testing purposes
 */
struct ia_css_hdr_deghost_params {
        int test_deg; /** Test parameter */
};

/**
 * \brief HDR Exclusion Parameters
 * \detail Currently HDR parameters are used only for testing purposes
 */
struct ia_css_hdr_exclusion_params {
        int test_excl; /** Test parameter */
};

/**
 * \brief HDR public parameters.
 * \details Struct with all parameters for HDR that can be seet from
 * the CSS API. Currently, only test parameters are defined.
 */
struct ia_css_hdr_config {
        struct ia_css_hdr_irradiance_params irradiance; /** HDR irradiance parameters */
        struct ia_css_hdr_deghost_params    deghost;    /** HDR deghosting parameters */
        struct ia_css_hdr_exclusion_params  exclusion; /** HDR exclusion parameters */
};

#endif /* __IA_CSS_HDR_TYPES_H */