/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (c) 2016 MediaTek Inc.
 * Author: Ming Hsiu Tsai <minghsiu.tsai@mediatek.com>
 *         Rick Chang <rick.chang@mediatek.com>
 *         Xia Jiang <xia.jiang@mediatek.com>
 */

#ifndef _MTK_JPEG_DEC_HW_H
#define _MTK_JPEG_DEC_HW_H

#include <media/videobuf2-core.h>

#include "mtk_jpeg_dec_reg.h"

#define MTK_JPEG_COMP_MAX               3

enum {
        MTK_JPEG_DEC_RESULT_EOF_DONE            = 0,
        MTK_JPEG_DEC_RESULT_PAUSE               = 1,
        MTK_JPEG_DEC_RESULT_UNDERFLOW           = 2,
        MTK_JPEG_DEC_RESULT_OVERFLOW            = 3,
        MTK_JPEG_DEC_RESULT_ERROR_BS            = 4,
        MTK_JPEG_DEC_RESULT_ERROR_UNKNOWN       = 6
};

struct mtk_jpeg_dec_param {
        u32 pic_w;
        u32 pic_h;
        u32 dec_w;
        u32 dec_h;
        u32 src_color;
        u32 dst_fourcc;
        u32 mcu_w;
        u32 mcu_h;
        u32 total_mcu;
        u32 unit_num;
        u32 comp_num;
        u32 comp_id[MTK_JPEG_COMP_MAX];
        u32 sampling_w[MTK_JPEG_COMP_MAX];
        u32 sampling_h[MTK_JPEG_COMP_MAX];
        u32 qtbl_num[MTK_JPEG_COMP_MAX];
        u32 blk_num;
        u32 blk_comp[MTK_JPEG_COMP_MAX];
        u32 membership;
        u32 dma_mcu;
        u32 dma_group;
        u32 dma_last_mcu;
        u32 img_stride[MTK_JPEG_COMP_MAX];
        u32 mem_stride[MTK_JPEG_COMP_MAX];
        u32 comp_w[MTK_JPEG_COMP_MAX];
        u32 comp_size[MTK_JPEG_COMP_MAX];
        u32 y_size;
        u32 uv_size;
        u32 dec_size;
        u8 uv_brz_w;
};

struct mtk_jpeg_bs {
        dma_addr_t      str_addr;
        dma_addr_t      end_addr;
        size_t          size;
};

struct mtk_jpeg_fb {
        dma_addr_t      plane_addr[MTK_JPEG_COMP_MAX];
        size_t          size;
};

int mtk_jpeg_dec_fill_param(struct mtk_jpeg_dec_param *param);
u32 mtk_jpeg_dec_get_int_status(void __iomem *dec_reg_base);
u32 mtk_jpeg_dec_enum_result(u32 irq_result);
void mtk_jpeg_dec_set_config(void __iomem *base,
                             bool support_34bits,
                             struct mtk_jpeg_dec_param *cfg,
                             u32 bitstream_size,
                             struct mtk_jpeg_bs *bs,
                             struct mtk_jpeg_fb *fb);
void mtk_jpeg_dec_reset(void __iomem *dec_reg_base);
void mtk_jpeg_dec_start(void __iomem *dec_reg_base);

#endif /* _MTK_JPEG_HW_H */