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

#include "ia_css_frame.h"
#include "ia_css_types.h"
#include "sh_css_defs.h"
#include "ia_css_debug.h"
#include "assert_support.h"
#define IA_CSS_INCLUDE_CONFIGURATIONS
#include "ia_css_isp_configs.h"
#include "isp.h"

#include "ia_css_qplane.host.h"

static const struct ia_css_qplane_configuration default_config = {
        .pipe = (struct sh_css_sp_pipeline *)NULL,
};

int ia_css_qplane_config(struct sh_css_isp_qplane_isp_config *to,
                         const struct ia_css_qplane_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;

        to->inout_port_config = from->pipe->inout_port_config;
        to->format = from->info->format;

        return 0;
}

int ia_css_qplane_configure(const struct sh_css_sp_pipeline *pipe,
                            const struct ia_css_binary      *binary,
                            const struct ia_css_frame_info  *info)
{
        struct ia_css_qplane_configuration config = default_config;

        config.pipe = pipe;
        config.info = info;

        return ia_css_configure_qplane(binary, &config);
}