mirror of https://gitee.com/openkylin/linux.git
89 lines
2.7 KiB
C
89 lines
2.7 KiB
C
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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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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _MTK_VCODEC_DEC_H_
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#define _MTK_VCODEC_DEC_H_
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#include <media/videobuf2-core.h>
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#include <media/videobuf2-v4l2.h>
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#define VCODEC_CAPABILITY_4K_DISABLED 0x10
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#define VCODEC_DEC_4K_CODED_WIDTH 4096U
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#define VCODEC_DEC_4K_CODED_HEIGHT 2304U
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#define MTK_VDEC_MAX_W 2048U
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#define MTK_VDEC_MAX_H 1088U
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#define MTK_VDEC_IRQ_STATUS_DEC_SUCCESS 0x10000
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/**
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* struct vdec_fb - decoder frame buffer
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* @base_y : Y plane memory info
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* @base_c : C plane memory info
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* @status : frame buffer status (vdec_fb_status)
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*/
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struct vdec_fb {
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struct mtk_vcodec_mem base_y;
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struct mtk_vcodec_mem base_c;
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unsigned int status;
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};
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/**
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* struct mtk_video_dec_buf - Private data related to each VB2 buffer.
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* @b: VB2 buffer
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* @list: link list
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* @used: Capture buffer contain decoded frame data and keep in
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* codec data structure
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* @ready_to_display: Capture buffer not display yet
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* @queued_in_vb2: Capture buffer is queue in vb2
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* @queued_in_v4l2: Capture buffer is in v4l2 driver, but not in vb2
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* queue yet
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* @lastframe: Intput buffer is last buffer - EOS
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* @frame_buffer: Decode status, and buffer information of Capture buffer
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*
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* Note : These status information help us track and debug buffer state
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*/
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struct mtk_video_dec_buf {
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struct vb2_v4l2_buffer vb;
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struct list_head list;
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bool used;
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bool ready_to_display;
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bool queued_in_vb2;
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bool queued_in_v4l2;
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bool lastframe;
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struct vdec_fb frame_buffer;
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};
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extern const struct v4l2_ioctl_ops mtk_vdec_ioctl_ops;
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extern const struct v4l2_m2m_ops mtk_vdec_m2m_ops;
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/*
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* mtk_vdec_lock/mtk_vdec_unlock are for ctx instance to
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* get/release lock before/after access decoder hw.
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* mtk_vdec_lock get decoder hw lock and set curr_ctx
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* to ctx instance that get lock
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*/
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void mtk_vdec_unlock(struct mtk_vcodec_ctx *ctx);
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void mtk_vdec_lock(struct mtk_vcodec_ctx *ctx);
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int mtk_vcodec_dec_queue_init(void *priv, struct vb2_queue *src_vq,
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struct vb2_queue *dst_vq);
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void mtk_vcodec_dec_set_default_params(struct mtk_vcodec_ctx *ctx);
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void mtk_vcodec_dec_release(struct mtk_vcodec_ctx *ctx);
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int mtk_vcodec_dec_ctrls_setup(struct mtk_vcodec_ctx *ctx);
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#endif /* _MTK_VCODEC_DEC_H_ */
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