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

#include "ia_css_iterator.host.h"
#include "ia_css_frame_public.h"
#include "ia_css_binary.h"
#include "ia_css_err.h"
#define IA_CSS_INCLUDE_CONFIGURATIONS
#include "ia_css_isp_configs.h"

static const struct ia_css_iterator_configuration default_config = {
        .input_info = (struct ia_css_frame_info *)NULL,
};

void
ia_css_iterator_config(
    struct sh_css_isp_iterator_isp_config *to,
    const struct ia_css_iterator_configuration *from,
    unsigned int size)
{
        (void)size;
        ia_css_frame_info_to_frame_sp_info(&to->input_info,    from->input_info);
        ia_css_frame_info_to_frame_sp_info(&to->internal_info, from->internal_info);
        ia_css_frame_info_to_frame_sp_info(&to->output_info,   from->output_info);
        ia_css_frame_info_to_frame_sp_info(&to->vf_info,       from->vf_info);
        ia_css_resolution_to_sp_resolution(&to->dvs_envelope,  from->dvs_envelope);
}

int ia_css_iterator_configure(const struct ia_css_binary *binary,
                              const struct ia_css_frame_info *in_info)
{
        struct ia_css_frame_info my_info = IA_CSS_BINARY_DEFAULT_FRAME_INFO;
        struct ia_css_iterator_configuration config = default_config;

        config.input_info    = &binary->in_frame_info;
        config.internal_info = &binary->internal_frame_info;
        config.output_info   = &binary->out_frame_info[0];
        config.vf_info       = &binary->vf_frame_info;
        config.dvs_envelope  = &binary->dvs_envelope;

        /* Use in_info iso binary->in_frame_info.
         * They can differ in padded width in case of scaling, e.g. for capture_pp.
         * Find out why.
        */
        if (in_info)
                config.input_info = in_info;
        if (binary->out_frame_info[0].res.width == 0)
                config.output_info = &binary->out_frame_info[1];
        my_info = *config.output_info;
        config.output_info = &my_info;
        /* we do this only for preview pipe because in fill_binary_info function
         * we assign vf_out res to out res, but for ISP internal processing, we need
         * the original out res. for video pipe, it has two output pins --- out and
         * vf_out, so it can keep these two resolutions already. */
        if (binary->info->sp.pipeline.mode == IA_CSS_BINARY_MODE_PREVIEW &&
            binary->vf_downscale_log2 > 0) {
                /* TODO: Remove this after preview output decimation is fixed
                 * by configuring out&vf info files properly */
                my_info.padded_width <<= binary->vf_downscale_log2;
                my_info.res.width    <<= binary->vf_downscale_log2;
                my_info.res.height   <<= binary->vf_downscale_log2;
        }

        return ia_css_configure_iterator(binary, &config);
}