root/drivers/media/platform/mediatek/vcodec/decoder/vdec_drv_base.h
/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (c) 2016 MediaTek Inc.
 * Author: PC Chen <pc.chen@mediatek.com>
 */

#ifndef _VDEC_DRV_BASE_
#define _VDEC_DRV_BASE_

#include "vdec_drv_if.h"

struct vdec_common_if {
        /**
         * (*init)() - initialize decode driver
         * @ctx     : [in] mtk v4l2 context
         * @h_vdec  : [out] driver handle
         */
        int (*init)(struct mtk_vcodec_dec_ctx *ctx);

        /**
         * (*decode)() - trigger decode
         * @h_vdec  : [in] driver handle
         * @bs      : [in] input bitstream
         * @fb      : [in] frame buffer to store decoded frame
         * @res_chg : [out] resolution change happen
         */
        int (*decode)(void *h_vdec, struct mtk_vcodec_mem *bs,
                      struct vdec_fb *fb, bool *res_chg);

        /**
         * (*get_param)() - get driver's parameter
         * @h_vdec : [in] driver handle
         * @type   : [in] input parameter type
         * @out    : [out] buffer to store query result
         */
        int (*get_param)(void *h_vdec, enum vdec_get_param_type type,
                         void *out);

        /**
         * (*deinit)() - deinitialize driver.
         * @h_vdec : [in] driver handle to be deinit
         */
        void (*deinit)(void *h_vdec);
};

#endif