root/drivers/gpu/drm/amd/display/dc/sspl/dc_spl_isharp_filters.h
// SPDX-License-Identifier: MIT
//
// Copyright 2024 Advanced Micro Devices, Inc.

#ifndef __DC_SPL_ISHARP_FILTERS_H__
#define __DC_SPL_ISHARP_FILTERS_H__

#include "dc_spl_types.h"

#define NUM_SHARPNESS_ADJ_LEVELS 6
struct scale_ratio_to_sharpness_level_adj {
        unsigned int ratio_numer;
        unsigned int ratio_denom;
        unsigned int level_down_adj; /* adjust sharpness level down */
};

struct isharp_1D_lut_pregen {
        unsigned int sharpness_numer;
        unsigned int sharpness_denom;
        uint32_t value[ISHARP_LUT_TABLE_SIZE];
};

enum system_setup {
        SDR_NL = 0,
        SDR_L,
        HDR_NL,
        HDR_L,
        NUM_SHARPNESS_SETUPS
};

void SPL_NAMESPACE(spl_set_blur_scale_data(struct dscl_prog_data *dscl_prog_data,
        const struct spl_scaler_data *data));

void SPL_NAMESPACE(spl_build_isharp_1dlut_from_reference_curve(
        struct spl_fixed31_32 ratio, enum system_setup setup,
        struct adaptive_sharpness sharpness,
        enum scale_to_sharpness_policy scale_to_sharpness_policy));
uint32_t *SPL_NAMESPACE(spl_get_pregen_filter_isharp_1D_lut(enum system_setup setup));

// public API
const uint16_t *SPL_NAMESPACE(spl_dscl_get_blur_scale_coeffs_64p(int taps));
const uint16_t *SPL_NAMESPACE(spl_dscl_get_blur_scale_coeffs_64p_s1_10(int taps));

#endif /* __DC_SPL_ISHARP_FILTERS_H__ */