102 lines
3.1 KiB
C
102 lines
3.1 KiB
C
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/* 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 _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/v4l2-mem2mem.h>
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#define VCODEC_DEC_ALIGNED_64 64
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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_MIN_W 64U
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#define MTK_VDEC_MIN_H 64U
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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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* @m2m_buf: M2M 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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* @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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* @error: An unrecoverable error occurs on this buffer.
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* @frame_buffer: Decode status, and buffer information of Capture buffer
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* @bs_buffer: Output buffer info
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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 v4l2_m2m_buffer m2m_buf;
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bool used;
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bool queued_in_vb2;
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bool queued_in_v4l2;
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bool error;
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union {
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struct vdec_fb frame_buffer;
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struct mtk_vcodec_mem bs_buffer;
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};
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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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extern const struct media_device_ops mtk_vcodec_media_ops;
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extern const struct mtk_vcodec_dec_pdata mtk_vdec_8173_pdata;
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extern const struct mtk_vcodec_dec_pdata mtk_vdec_8183_pdata;
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extern const struct mtk_vcodec_dec_pdata mtk_lat_sig_core_pdata;
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extern const struct mtk_vcodec_dec_pdata mtk_vdec_single_core_pdata;
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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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/*
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* VB2 ops
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*/
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int vb2ops_vdec_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers,
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unsigned int *nplanes, unsigned int sizes[],
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struct device *alloc_devs[]);
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int vb2ops_vdec_buf_prepare(struct vb2_buffer *vb);
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void vb2ops_vdec_buf_finish(struct vb2_buffer *vb);
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int vb2ops_vdec_buf_init(struct vb2_buffer *vb);
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int vb2ops_vdec_start_streaming(struct vb2_queue *q, unsigned int count);
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void vb2ops_vdec_stop_streaming(struct vb2_queue *q);
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#endif /* _MTK_VCODEC_DEC_H_ */
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