drivers/media/platform/mtk-vcodec/vdec_drv_base.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Copyright (c) 2016 MediaTek Inc.
   4  * Author: PC Chen <pc.chen@mediatek.com>
   5  */
   6
   7 #ifndef _VDEC_DRV_BASE_
   8 #define _VDEC_DRV_BASE_
   9
  10 #include "vdec_drv_if.h"
  11
  12 struct vdec_common_if {
  13         /**
  14          * (*init)() - initialize decode driver
  15          * @ctx     : [in] mtk v4l2 context
  16          * @h_vdec  : [out] driver handle
  17          */
  18         int (*init)(struct mtk_vcodec_ctx *ctx);
  19
  20         /**
  21          * (*decode)() - trigger decode
  22          * @h_vdec  : [in] driver handle
  23          * @bs      : [in] input bitstream
  24          * @fb      : [in] frame buffer to store decoded frame
  25          * @res_chg : [out] resolution change happen
  26          */
  27         int (*decode)(void *h_vdec, struct mtk_vcodec_mem *bs,
  28                       struct vdec_fb *fb, bool *res_chg);
  29
  30         /**
  31          * (*get_param)() - get driver's parameter
  32          * @h_vdec : [in] driver handle
  33          * @type   : [in] input parameter type
  34          * @out    : [out] buffer to store query result
  35          */
  36         int (*get_param)(void *h_vdec, enum vdec_get_param_type type,
  37                          void *out);
  38
  39         /**
  40          * (*deinit)() - deinitialize driver.
  41          * @h_vdec : [in] driver handle to be deinit
  42          */
  43         void (*deinit)(void *h_vdec);
  44 };
  45
  46 #endif