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

#include <assert_support.h>
#include <ia_css_frame_public.h>
#include <ia_css_frame.h>
#include <ia_css_binary.h>
#define IA_CSS_INCLUDE_CONFIGURATIONS
#include "ia_css_isp_configs.h"
#include "isp.h"
#include "ia_css_crop.host.h"

static const struct ia_css_crop_configuration default_config = {
        .info = (struct ia_css_frame_info *)NULL,
};

void
ia_css_crop_encode(
    struct sh_css_isp_crop_isp_params *to,
    const struct ia_css_crop_config *from,
    unsigned int size)
{
        (void)size;
        to->crop_pos = from->crop_pos;
}

int ia_css_crop_config(struct sh_css_isp_crop_isp_config *to,
                       const struct ia_css_crop_configuration *from,
                       unsigned int size)
{
        unsigned int elems_a = ISP_VEC_NELEMS;
        int ret;

        ret = ia_css_dma_configure_from_info(&to->port_b, from->info);
        if (ret)
                return ret;

        to->width_a_over_b = elems_a / to->port_b.elems;

        /* Assume divisiblity here, may need to generalize to fixed point. */
        if (elems_a % to->port_b.elems != 0)
                return -EINVAL;

        return 0;
}

int ia_css_crop_configure(const struct ia_css_binary     *binary,
                          const struct ia_css_frame_info *info)
{
        struct ia_css_crop_configuration config = default_config;

        config.info = info;

        return ia_css_configure_crop(binary, &config);
}