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

   1 /*
   2  * Copyright (c) 2016 MediaTek Inc.
   3  * Author: PC Chen <pc.chen@mediatek.com>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14
  15 #ifndef _VDEC_DRV_BASE_
  16 #define _VDEC_DRV_BASE_
  17
  18 #include "mtk_vcodec_drv.h"
  19
  20 #include "vdec_drv_if.h"
  21
  22 struct vdec_common_if {
  23         /**
  24          * (*init)() - initialize decode driver
  25          * @ctx     : [in] mtk v4l2 context
  26          * @h_vdec  : [out] driver handle
  27          */
  28         int (*init)(struct mtk_vcodec_ctx *ctx, unsigned long *h_vdec);
  29
  30         /**
  31          * (*decode)() - trigger decode
  32          * @h_vdec  : [in] driver handle
  33          * @bs      : [in] input bitstream
  34          * @fb      : [in] frame buffer to store decoded frame
  35          * @res_chg : [out] resolution change happen
  36          */
  37         int (*decode)(unsigned long h_vdec, struct mtk_vcodec_mem *bs,
  38                       struct vdec_fb *fb, bool *res_chg);
  39
  40         /**
  41          * (*get_param)() - get driver's parameter
  42          * @h_vdec : [in] driver handle
  43          * @type   : [in] input parameter type
  44          * @out    : [out] buffer to store query result
  45          */
  46         int (*get_param)(unsigned long h_vdec, enum vdec_get_param_type type,
  47                          void *out);
  48
  49         /**
  50          * (*deinit)() - deinitialize driver.
  51          * @h_vdec : [in] driver handle to be deinit
  52          */
  53         void (*deinit)(unsigned long h_vdec);
  54 };
  55
  56 #endif