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

#include "ia_css_types.h"
#include "sh_css_defs.h"
#ifndef IA_CSS_NO_DEBUG
#include "ia_css_debug.h"
#endif
#include "sh_css_frac.h"

#include "ia_css_wb.host.h"

const struct ia_css_wb_config default_wb_config = {
        1,
        32768,
        32768,
        32768,
        32768
};

void
ia_css_wb_encode(
    struct sh_css_isp_wb_params *to,
    const struct ia_css_wb_config *from,
    unsigned int size)
{
        (void)size;
        to->gain_shift =
            uISP_REG_BIT - from->integer_bits;
        to->gain_gr =
            uDIGIT_FITTING(from->gr, 16 - from->integer_bits,
                           to->gain_shift);
        to->gain_r =
            uDIGIT_FITTING(from->r, 16 - from->integer_bits,
                           to->gain_shift);
        to->gain_b =
            uDIGIT_FITTING(from->b, 16 - from->integer_bits,
                           to->gain_shift);
        to->gain_gb =
            uDIGIT_FITTING(from->gb, 16 - from->integer_bits,
                           to->gain_shift);
}

#ifndef IA_CSS_NO_DEBUG
void
ia_css_wb_dump(
    const struct sh_css_isp_wb_params *wb,
    unsigned int level)
{
        if (!wb) return;
        ia_css_debug_dtrace(level, "White Balance:\n");
        ia_css_debug_dtrace(level, "\t%-32s = %d\n",
                            "wb_gain_shift", wb->gain_shift);
        ia_css_debug_dtrace(level, "\t%-32s = %d\n",
                            "wb_gain_gr", wb->gain_gr);
        ia_css_debug_dtrace(level, "\t%-32s = %d\n",
                            "wb_gain_r", wb->gain_r);
        ia_css_debug_dtrace(level, "\t%-32s = %d\n",
                            "wb_gain_b", wb->gain_b);
        ia_css_debug_dtrace(level, "\t%-32s = %d\n",
                            "wb_gain_gb", wb->gain_gb);
}

void
ia_css_wb_debug_dtrace(
    const struct ia_css_wb_config *config,
    unsigned int level)
{
        ia_css_debug_dtrace(level,
                            "config.integer_bits=%d, config.gr=%d, config.r=%d, config.b=%d, config.gb=%d\n",
                            config->integer_bits,
                            config->gr, config->r,
                            config->b, config->gb);
}
#endif