/* SPDX-License-Identifier: GPL-2.0 *//* * Copyright (c) 2016 MediaTek Inc. * Author: PC Chen <pc.chen@mediatek.com> *         Tiffany Lin <tiffany.lin@mediatek.com> */ #ifndef _MTK_VCODEC_DEC_H_#define _MTK_VCODEC_DEC_H_ #include <media/videobuf2-core.h>#include <media/v4l2-mem2mem.h> #include "mtk_vcodec_dec_drv.h" #define VCODEC_DEC_ALIGNED_64 64#define VCODEC_CAPABILITY_4K_DISABLED	0x10#define VCODEC_DEC_4K_CODED_WIDTH	4096U#define VCODEC_DEC_4K_CODED_HEIGHT	2304U#define MTK_VDEC_MAX_W	2048U#define MTK_VDEC_MAX_H	1088U#define MTK_VDEC_MIN_W	64U#define MTK_VDEC_MIN_H	64U #define MTK_VDEC_IRQ_STATUS_DEC_SUCCESS        0x10000 /** * struct vdec_fb  - decoder frame buffer * @base_y	: Y plane memory info * @base_c	: C plane memory info * @status      : frame buffer status (vdec_fb_status) */struct vdec_fb {	struct mtk_vcodec_mem	base_y;	struct mtk_vcodec_mem	base_c;	unsigned int	status;}; /** * struct mtk_video_dec_buf - Private data related to each VB2 buffer. * @m2m_buf:	M2M buffer * @used:	Capture buffer contain decoded frame data and keep in *			codec data structure * @queued_in_vb2:	Capture buffer is queue in vb2 * @queued_in_v4l2:	Capture buffer is in v4l2 driver, but not in vb2 *			queue yet * @error:		An unrecoverable error occurs on this buffer. * @frame_buffer:	Decode status, and buffer information of Capture buffer * @bs_buffer:	Output buffer info * * Note : These status information help us track and debug buffer state */struct mtk_video_dec_buf {	struct v4l2_m2m_buffer	m2m_buf; 	bool	used;	bool	queued_in_vb2;	bool	queued_in_v4l2;	bool	error; 	union {		struct vdec_fb	frame_buffer;		struct mtk_vcodec_mem	bs_buffer;	};}; extern const struct v4l2_ioctl_ops mtk_vdec_ioctl_ops;extern const struct v4l2_m2m_ops mtk_vdec_m2m_ops;extern const struct media_device_ops mtk_vcodec_media_ops;extern const struct mtk_vcodec_dec_pdata mtk_vdec_8173_pdata;extern const struct mtk_vcodec_dec_pdata mtk_vdec_8183_pdata;extern const struct mtk_vcodec_dec_pdata mtk_lat_sig_core_pdata;extern const struct mtk_vcodec_dec_pdata mtk_vdec_single_core_pdata;  /* * mtk_vdec_lock/mtk_vdec_unlock are for ctx instance to * get/release lock before/after access decoder hw. * mtk_vdec_lock get decoder hw lock and set curr_ctx * to ctx instance that get lock */void mtk_vdec_unlock(struct mtk_vcodec_dec_ctx *ctx);void mtk_vdec_lock(struct mtk_vcodec_dec_ctx *ctx);int mtk_vcodec_dec_queue_init(void *priv, struct vb2_queue *src_vq,			   struct vb2_queue *dst_vq);void mtk_vcodec_dec_set_default_params(struct mtk_vcodec_dec_ctx *ctx);void mtk_vcodec_dec_release(struct mtk_vcodec_dec_ctx *ctx); /* * VB2 ops */int vb2ops_vdec_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers,			    unsigned int *nplanes, unsigned int sizes[],			    struct device *alloc_devs[]);int vb2ops_vdec_buf_prepare(struct vb2_buffer *vb);void vb2ops_vdec_buf_finish(struct vb2_buffer *vb);int vb2ops_vdec_buf_init(struct vb2_buffer *vb);int vb2ops_vdec_start_streaming(struct vb2_queue *q, unsigned int count);void vb2ops_vdec_stop_streaming(struct vb2_queue *q);  #endif /* _MTK_VCODEC_DEC_H_ */