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1/* SPDX-License-Identifier: GPL-2.0-or-later */2/*3 * Copyright (C) 2009 Texas Instruments Inc4 */5 6#ifndef VPIF_CAPTURE_H7#define VPIF_CAPTURE_H8 9/* Header files */10#include <media/videobuf2-dma-contig.h>11#include <media/v4l2-device.h>12 13#include "vpif.h"14 15/* Macros */16#define VPIF_CAPTURE_VERSION "0.0.2"17 18#define VPIF_VALID_FIELD(field) (((V4L2_FIELD_ANY == field) || \19 (V4L2_FIELD_NONE == field)) || \20 (((V4L2_FIELD_INTERLACED == field) || \21 (V4L2_FIELD_SEQ_TB == field)) || \22 (V4L2_FIELD_SEQ_BT == field)))23 24#define VPIF_CAPTURE_MAX_DEVICES 225#define VPIF_VIDEO_INDEX 026#define VPIF_NUMBER_OF_OBJECTS 127 28/* Enumerated data type to give id to each device per channel */29enum vpif_channel_id {30 VPIF_CHANNEL0_VIDEO = 0,31 VPIF_CHANNEL1_VIDEO,32};33 34struct video_obj {35 enum v4l2_field buf_field;36 /* Currently selected or default standard */37 v4l2_std_id stdid;38 struct v4l2_dv_timings dv_timings;39};40 41struct vpif_cap_buffer {42 struct vb2_v4l2_buffer vb;43 struct list_head list;44};45 46struct common_obj {47 /* Pointer pointing to current v4l2_buffer */48 struct vpif_cap_buffer *cur_frm;49 /* Pointer pointing to current v4l2_buffer */50 struct vpif_cap_buffer *next_frm;51 /* Used to store pixel format */52 struct v4l2_format fmt;53 /* Buffer queue used in vb2 */54 struct vb2_queue buffer_queue;55 /* Queue of filled frames */56 struct list_head dma_queue;57 /* Protects the dma_queue field */58 spinlock_t irqlock;59 /* lock used to access this structure */60 struct mutex lock;61 /* Function pointer to set the addresses */62 void (*set_addr) (unsigned long, unsigned long, unsigned long,63 unsigned long);64 /* offset where Y top starts from the starting of the buffer */65 u32 ytop_off;66 /* offset where Y bottom starts from the starting of the buffer */67 u32 ybtm_off;68 /* offset where C top starts from the starting of the buffer */69 u32 ctop_off;70 /* offset where C bottom starts from the starting of the buffer */71 u32 cbtm_off;72 /* Indicates width of the image data */73 u32 width;74 /* Indicates height of the image data */75 u32 height;76};77 78struct channel_obj {79 /* Identifies video device for this channel */80 struct video_device video_dev;81 /* Indicates id of the field which is being displayed */82 u32 field_id;83 /* flag to indicate whether decoder is initialized */84 u8 initialized;85 /* Identifies channel */86 enum vpif_channel_id channel_id;87 /* Current input */88 u32 input_idx;89 /* subdev corresponding to the current input, may be NULL */90 struct v4l2_subdev *sd;91 /* vpif configuration params */92 struct vpif_params vpifparams;93 /* common object array */94 struct common_obj common[VPIF_NUMBER_OF_OBJECTS];95 /* video object */96 struct video_obj video;97};98 99struct vpif_device {100 struct v4l2_device v4l2_dev;101 struct channel_obj *dev[VPIF_CAPTURE_NUM_CHANNELS];102 struct v4l2_subdev **sd;103 struct v4l2_async_notifier notifier;104 struct vpif_capture_config *config;105};106 107#endif /* VPIF_CAPTURE_H */108