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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 | /* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2009 Texas Instruments Inc */ #ifndef VPIF_CAPTURE_H #define VPIF_CAPTURE_H /* Header files */ #include <media/videobuf2-dma-contig.h> #include <media/v4l2-device.h> #include "vpif.h" /* Macros */ #define VPIF_CAPTURE_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_CAPTURE_MAX_DEVICES 2 #define VPIF_VIDEO_INDEX 0 #define VPIF_NUMBER_OF_OBJECTS 1 /* Enumerated data type to give id to each device per channel */ enum vpif_channel_id { VPIF_CHANNEL0_VIDEO = 0, VPIF_CHANNEL1_VIDEO, }; struct video_obj { enum v4l2_field buf_field; /* Currently selected or default standard */ v4l2_std_id stdid; struct v4l2_dv_timings dv_timings; }; struct vpif_cap_buffer { struct vb2_v4l2_buffer vb; struct list_head list; }; struct common_obj { /* Pointer pointing to current v4l2_buffer */ struct vpif_cap_buffer *cur_frm; /* Pointer pointing to current v4l2_buffer */ struct vpif_cap_buffer *next_frm; /* Used to store pixel format */ struct v4l2_format fmt; /* Buffer queue used in vb2 */ struct vb2_queue buffer_queue; /* Queue of filled frames */ struct list_head dma_queue; /* Protects the dma_queue field */ spinlock_t irqlock; /* lock used to access this structure */ struct mutex lock; /* Function pointer to set the addresses */ void (*set_addr) (unsigned long, unsigned long, unsigned long, unsigned long); /* offset where Y top starts from the starting of the buffer */ u32 ytop_off; /* offset where Y bottom starts from the starting of the buffer */ u32 ybtm_off; /* offset where C top starts from the starting of the buffer */ u32 ctop_off; /* offset where C bottom starts from the starting of the buffer */ u32 cbtm_off; /* Indicates width of the image data */ u32 width; /* Indicates height of the image data */ u32 height; }; struct channel_obj { /* Identifies video device for this channel */ struct video_device video_dev; /* Indicates id of the field which is being displayed */ u32 field_id; /* flag to indicate whether decoder is initialized */ u8 initialized; /* Identifies channel */ enum vpif_channel_id channel_id; /* Current input */ u32 input_idx; /* subdev corresponding to the current input, may be NULL */ struct v4l2_subdev *sd; /* vpif configuration params */ struct vpif_params vpifparams; /* common object array */ struct common_obj common[VPIF_NUMBER_OF_OBJECTS]; /* video object */ struct video_obj video; }; struct vpif_device { struct v4l2_device v4l2_dev; struct channel_obj *dev[VPIF_CAPTURE_NUM_CHANNELS]; struct v4l2_subdev **sd; struct v4l2_async_notifier notifier; struct vpif_capture_config *config; }; #endif /* VPIF_CAPTURE_H */ |