1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Copyright (C) 2009 Texas Instruments Inc 4 */ 5 6 #ifndef VPIF_CAPTURE_H 7 #define VPIF_CAPTURE_H 8 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 2 25 #define VPIF_VIDEO_INDEX 0 26 #define VPIF_NUMBER_OF_OBJECTS 1 27 28 /* Enumerated data type to give id to each device per channel */ 29 enum vpif_channel_id { 30 VPIF_CHANNEL0_VIDEO = 0, 31 VPIF_CHANNEL1_VIDEO, 32 }; 33 34 struct 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 41 struct vpif_cap_buffer { 42 struct vb2_v4l2_buffer vb; 43 struct list_head list; 44 }; 45 46 struct 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 78 struct 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 99 struct 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