Orange Pi5 kernel

/*
 * VPIF display header file
 *
 * Copyright (C) 2009 Texas Instruments Incorporated - https://www.ti.com/
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation version 2.
 *
 * This program is distributed .as is. WITHOUT ANY WARRANTY of any
 * kind, whether express or implied; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */
 
#ifndef VPIF_DISPLAY_H
#define VPIF_DISPLAY_H
 
/* Header files */
#include <media/videobuf2-dma-contig.h>
#include <media/v4l2-device.h>
 
#include "vpif.h"
 
/* Macros */
#define VPIF_DISPLAY_VERSION	"0.0.2"
 
#define VPIF_VALID_FIELD(field) \
<------>(((V4L2_FIELD_ANY == field) || (V4L2_FIELD_NONE == field)) || \
<------>(((V4L2_FIELD_INTERLACED == field) || (V4L2_FIELD_SEQ_TB == field)) || \
<------>(V4L2_FIELD_SEQ_BT == field)))
 
#define VPIF_DISPLAY_MAX_DEVICES	(2)
#define VPIF_SLICED_BUF_SIZE		(256)
#define VPIF_SLICED_MAX_SERVICES	(3)
#define VPIF_VIDEO_INDEX		(0)
#define VPIF_VBI_INDEX			(1)
#define VPIF_HBI_INDEX			(2)
 
/* Setting it to 1 as HBI/VBI support yet to be added , else 3*/
#define VPIF_NUMOBJECTS	(1)
 
/* Macros */
#define ISALIGNED(a)    (0 == ((a) & 7))
 
/* enumerated data types */
/* Enumerated data type to give id to each device per channel */
enum vpif_channel_id {
<------>VPIF_CHANNEL2_VIDEO = 0,	/* Channel2 Video */
<------>VPIF_CHANNEL3_VIDEO,		/* Channel3 Video */
};
 
/* structures */
 
struct video_obj {
<------>enum v4l2_field buf_field;
<------>u32 latest_only;		/* indicate whether to return
<------><------><------><------><------> * most recent displayed frame only */
<------>v4l2_std_id stdid;		/* Currently selected or default
<------><------><------><------><------> * standard */
<------>struct v4l2_dv_timings dv_timings;
};
 
struct vpif_disp_buffer {
<------>struct vb2_v4l2_buffer vb;
<------>struct list_head list;
};
 
struct common_obj {
<------>struct vpif_disp_buffer *cur_frm;	/* Pointer pointing to current
<------><------><------><------><------><------> * vb2_buffer */
<------>struct vpif_disp_buffer *next_frm;	/* Pointer pointing to next
<------><------><------><------><------><------> * vb2_buffer */
<------>struct v4l2_format fmt;			/* Used to store the format */
<------>struct vb2_queue buffer_queue;		/* Buffer queue used in
<------><------><------><------><------><------> * video-buf */
 
<------>struct list_head dma_queue;		/* Queue of filled frames */
<------>spinlock_t irqlock;			/* Used in video-buf */
 
<------>/* channel specific parameters */
<------>struct mutex lock;			/* lock used to access this
<------><------><------><------><------><------> * structure */
<------>u32 ytop_off;				/* offset of Y top from the
<------><------><------><------><------><------> * starting of the buffer */
<------>u32 ybtm_off;				/* offset of Y bottom from the
<------><------><------><------><------><------> * starting of the buffer */
<------>u32 ctop_off;				/* offset of C top from the
<------><------><------><------><------><------> * starting of the buffer */
<------>u32 cbtm_off;				/* offset of C bottom from the
<------><------><------><------><------><------> * starting of the buffer */
<------>/* Function pointer to set the addresses */
<------>void (*set_addr)(unsigned long, unsigned long,
<------><------><------><------>unsigned long, unsigned long);
<------>u32 height;
<------>u32 width;
};
 
struct channel_obj {
<------>/* V4l2 specific parameters */
<------>struct video_device video_dev;	/* Identifies video device for
<------><------><------><------><------> * this channel */
<------>u32 field_id;			/* Indicates id of the field
<------><------><------><------><------> * which is being displayed */
<------>u8 initialized;			/* flag to indicate whether
<------><------><------><------><------> * encoder is initialized */
<------>u32 output_idx;			/* Current output index */
<------>struct v4l2_subdev *sd;		/* Current output subdev(may be NULL) */
 
<------>enum vpif_channel_id channel_id;/* Identifies channel */
<------>struct vpif_params vpifparams;
<------>struct common_obj common[VPIF_NUMOBJECTS];
<------>struct video_obj video;
};
 
/* vpif device structure */
struct vpif_device {
<------>struct v4l2_device v4l2_dev;
<------>struct channel_obj *dev[VPIF_DISPLAY_NUM_CHANNELS];
<------>struct v4l2_subdev **sd;
<------>struct v4l2_async_notifier notifier;
<------>struct vpif_display_config *config;
};
 
#endif				/* VPIF_DISPLAY_H */