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https://github.com/physwizz/a155-U-u1.git
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102 lines
2.8 KiB
C
102 lines
2.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2016 MediaTek Inc.
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* Author: PC Chen <pc.chen@mediatek.com>
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* Tiffany Lin <tiffany.lin@mediatek.com>
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*/
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#ifndef _VDEC_DRV_IF_H_
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#define _VDEC_DRV_IF_H_
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#include "mtk_vcodec_drv.h"
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#include "mtk_vcodec_dec.h"
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#include "mtk_vcodec_util.h"
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#include "vdec_vcu_if.h"
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#include "vdec_ipi_msg.h"
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/**
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* struct vdec_inst - decoder instance
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* @num_nalu : how many nalus be decoded
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* @ctx : point to mtk_vcodec_ctx
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* @vcu : VCU instance
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* @vsi : VCU shared information
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*/
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struct vdec_inst {
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unsigned int num_nalu;
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struct mtk_vcodec_ctx *ctx;
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struct vdec_vcu_inst vcu;
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struct vdec_vsi *vsi;
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};
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/**
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* struct vdec_fb_node - decoder frame buffer node
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* @list : list to hold this node
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* @fb : point to frame buffer (vdec_fb), fb could point to frame buffer and
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* working buffer this is for maintain buffers in different state
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*/
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struct vdec_fb_node {
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struct list_head list;
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struct vdec_fb *fb;
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};
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extern struct mtk_video_fmt
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mtk_vdec_formats[MTK_MAX_DEC_CODECS_SUPPORT];
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extern struct mtk_codec_framesizes
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mtk_vdec_framesizes[MTK_MAX_DEC_CODECS_SUPPORT];
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/**
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* vdec_if_init() - initialize decode driver
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* @ctx : [in] v4l2 context
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* @fourcc : [in] video format fourcc, V4L2_PIX_FMT_H264/VP8/VP9..
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*/
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int vdec_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc);
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/**
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* vdec_if_deinit() - deinitialize decode driver
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* @ctx : [in] v4l2 context
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*
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*/
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void vdec_if_deinit(struct mtk_vcodec_ctx *ctx);
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/**
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* vdec_if_decode() - trigger decode
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* @ctx : [in] v4l2 context
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* @bs : [in] input bitstream
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* @fb : [in] frame buffer to store decoded frame, when null menas parse
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* header only
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* @res_chg : [out] resolution change happens if current bs have different
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* picture width/height
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* Note: To flush the decoder when reaching EOF, set input bitstream as NULL.
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*/
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int vdec_if_decode(struct mtk_vcodec_ctx *ctx, struct mtk_vcodec_mem *bs,
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struct vdec_fb *fb, unsigned int *src_chg);
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/**
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* vdec_if_get_param() - get driver's parameter
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* @ctx : [in] v4l2 context
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* @type : [in] input parameter type
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* @out : [out] buffer to store query result
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*/
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int vdec_if_get_param(struct mtk_vcodec_ctx *ctx, enum vdec_get_param_type type,
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void *out);
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/*
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* vdec_if_set_param - Set parameter to driver
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* @ctx : [in] v4l2 context
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* @type : [in] input parameter type
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* @out : [in] input parameter
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* Return: 0 if setting param successfully, otherwise it is failed.
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*/
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int vdec_if_set_param(struct mtk_vcodec_ctx *ctx,
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enum vdec_set_param_type type,
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void *in);
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void vdec_decode_prepare(void *ctx_prepare,
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unsigned int hw_id);
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void vdec_decode_unprepare(void *ctx_unprepare,
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unsigned int hw_id);
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void vdec_check_release_lock(void *ctx_check);
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#endif
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