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 "mtk_vcodec_drv.h"
  11
  12 #include "vdec_drv_if.h"
  13
  14 struct vdec_common_if {
  15         /**
  16          * (*init)() - initialize decode driver
  17          * @ctx     : [in] mtk v4l2 context
  18          * @h_vdec  : [out] driver handle
  19          */
  20         int (*init)(struct mtk_vcodec_ctx *ctx);
  21
  22         /**
  23          * (*decode)() - trigger decode
  24          * @h_vdec  : [in] driver handle
  25          * @bs      : [in] input bitstream
  26          * @fb      : [in] frame buffer to store decoded frame
  27          * @res_chg : [out] resolution change happen
  28          */
  29         int (*decode)(void *h_vdec, struct mtk_vcodec_mem *bs,
  30                       struct vdec_fb *fb, bool *res_chg);
  31
  32         /**
  33          * (*get_param)() - get driver's parameter
  34          * @h_vdec : [in] driver handle
  35          * @type   : [in] input parameter type
  36          * @out    : [out] buffer to store query result
  37          */
  38         int (*get_param)(void *h_vdec, enum vdec_get_param_type type,
  39                          void *out);
  40
  41         /**
  42          * (*deinit)() - deinitialize driver.
  43          * @h_vdec : [in] driver handle to be deinit
  44          */
  45         void (*deinit)(void *h_vdec);
  46 };
  47
  48 #endif