// 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 "isp/modes/interface/isp_types.h"

#include "ia_css_raw.host.h"

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

/* MW: These areMIPI / ISYS properties, not camera function properties */
static enum sh_stream_format
css2isp_stream_format(enum atomisp_input_format from) {
        switch (from)
        {
        case ATOMISP_INPUT_FORMAT_YUV420_8_LEGACY:
                                return sh_stream_format_yuv420_legacy;
        case ATOMISP_INPUT_FORMAT_YUV420_8:
        case ATOMISP_INPUT_FORMAT_YUV420_10:
        case ATOMISP_INPUT_FORMAT_YUV420_16:
                return sh_stream_format_yuv420;
        case ATOMISP_INPUT_FORMAT_YUV422_8:
        case ATOMISP_INPUT_FORMAT_YUV422_10:
        case ATOMISP_INPUT_FORMAT_YUV422_16:
                return sh_stream_format_yuv422;
        case ATOMISP_INPUT_FORMAT_RGB_444:
        case ATOMISP_INPUT_FORMAT_RGB_555:
        case ATOMISP_INPUT_FORMAT_RGB_565:
        case ATOMISP_INPUT_FORMAT_RGB_666:
        case ATOMISP_INPUT_FORMAT_RGB_888:
                return sh_stream_format_rgb;
        case ATOMISP_INPUT_FORMAT_RAW_6:
        case ATOMISP_INPUT_FORMAT_RAW_7:
        case ATOMISP_INPUT_FORMAT_RAW_8:
        case ATOMISP_INPUT_FORMAT_RAW_10:
        case ATOMISP_INPUT_FORMAT_RAW_12:
        case ATOMISP_INPUT_FORMAT_RAW_14:
        case ATOMISP_INPUT_FORMAT_RAW_16:
                return sh_stream_format_raw;
        case ATOMISP_INPUT_FORMAT_BINARY_8:
        default:
                return sh_stream_format_raw;
        }
}

int ia_css_raw_config(struct sh_css_isp_raw_isp_config *to,
                      const struct ia_css_raw_configuration  *from,
                      unsigned int size)
{
        unsigned int elems_a = ISP_VEC_NELEMS;
        const struct ia_css_frame_info *in_info = from->in_info;
        const struct ia_css_frame_info *internal_info = from->internal_info;
        int ret;

        if (!IS_ISP2401 || !in_info)
                in_info = internal_info;

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

        /* Assume divisiblity here, may need to generalize to fixed point. */
        assert((in_info->format == IA_CSS_FRAME_FORMAT_RAW_PACKED) ||
               (elems_a % to->port_b.elems == 0));

        to->width_a_over_b      = elems_a / to->port_b.elems;
        to->inout_port_config   = from->pipe->inout_port_config;
        to->format              = in_info->format;
        to->required_bds_factor = from->pipe->required_bds_factor;
        to->two_ppc             = from->two_ppc;
        to->stream_format       = css2isp_stream_format(from->stream_format);
        to->deinterleaved       = from->deinterleaved;

        if (IS_ISP2401) {
                to->start_column        = in_info->crop_info.start_column;
                to->start_line          = in_info->crop_info.start_line;
                to->enable_left_padding = from->enable_left_padding;
        }

        return 0;
}

int ia_css_raw_configure(const struct sh_css_sp_pipeline *pipe,
                         const struct ia_css_binary      *binary,
                         const struct ia_css_frame_info  *in_info,
                         const struct ia_css_frame_info  *internal_info,
                         bool two_ppc,
                         bool deinterleaved)
{
        u8 enable_left_padding = (uint8_t)((binary->left_padding) ? 1 : 0);
        struct ia_css_raw_configuration config = default_config;

        config.pipe                = pipe;
        config.in_info             = in_info;
        config.internal_info       = internal_info;
        config.two_ppc             = two_ppc;
        config.stream_format       = binary->input_format;
        config.deinterleaved       = deinterleaved;
        config.enable_left_padding = enable_left_padding;

        return ia_css_configure_raw(binary, &config);
}