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6ffefff5 MK |
1 | /* |
2 | * Copyright (C) 2009 Texas Instruments Inc | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; either version 2 of the License, or | |
7 | * (at your option) any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
6ffefff5 MK |
13 | */ |
14 | ||
15 | #ifndef VPIF_CAPTURE_H | |
16 | #define VPIF_CAPTURE_H | |
17 | ||
6ffefff5 | 18 | /* Header files */ |
60aa38d8 | 19 | #include <media/videobuf2-dma-contig.h> |
012eef70 | 20 | #include <media/v4l2-device.h> |
6ffefff5 MK |
21 | |
22 | #include "vpif.h" | |
23 | ||
24 | /* Macros */ | |
64dc3c1a | 25 | #define VPIF_CAPTURE_VERSION "0.0.2" |
6ffefff5 MK |
26 | |
27 | #define VPIF_VALID_FIELD(field) (((V4L2_FIELD_ANY == field) || \ | |
28 | (V4L2_FIELD_NONE == field)) || \ | |
29 | (((V4L2_FIELD_INTERLACED == field) || \ | |
30 | (V4L2_FIELD_SEQ_TB == field)) || \ | |
31 | (V4L2_FIELD_SEQ_BT == field))) | |
32 | ||
33 | #define VPIF_CAPTURE_MAX_DEVICES 2 | |
34 | #define VPIF_VIDEO_INDEX 0 | |
35 | #define VPIF_NUMBER_OF_OBJECTS 1 | |
36 | ||
37 | /* Enumerated data type to give id to each device per channel */ | |
38 | enum vpif_channel_id { | |
39 | VPIF_CHANNEL0_VIDEO = 0, | |
40 | VPIF_CHANNEL1_VIDEO, | |
41 | }; | |
42 | ||
43 | struct video_obj { | |
44 | enum v4l2_field buf_field; | |
45 | /* Currently selected or default standard */ | |
46 | v4l2_std_id stdid; | |
0598c17b | 47 | struct v4l2_dv_timings dv_timings; |
6ffefff5 MK |
48 | }; |
49 | ||
60aa38d8 | 50 | struct vpif_cap_buffer { |
2d700715 | 51 | struct vb2_v4l2_buffer vb; |
60aa38d8 LP |
52 | struct list_head list; |
53 | }; | |
54 | ||
6ffefff5 MK |
55 | struct common_obj { |
56 | /* Pointer pointing to current v4l2_buffer */ | |
60aa38d8 | 57 | struct vpif_cap_buffer *cur_frm; |
6ffefff5 | 58 | /* Pointer pointing to current v4l2_buffer */ |
60aa38d8 | 59 | struct vpif_cap_buffer *next_frm; |
6ffefff5 MK |
60 | /* Used to store pixel format */ |
61 | struct v4l2_format fmt; | |
62 | /* Buffer queue used in video-buf */ | |
60aa38d8 | 63 | struct vb2_queue buffer_queue; |
6ffefff5 MK |
64 | /* Queue of filled frames */ |
65 | struct list_head dma_queue; | |
62dd4acd | 66 | /* Protects the dma_queue field */ |
6ffefff5 MK |
67 | spinlock_t irqlock; |
68 | /* lock used to access this structure */ | |
69 | struct mutex lock; | |
6ffefff5 MK |
70 | /* Function pointer to set the addresses */ |
71 | void (*set_addr) (unsigned long, unsigned long, unsigned long, | |
72 | unsigned long); | |
73 | /* offset where Y top starts from the starting of the buffer */ | |
74 | u32 ytop_off; | |
75 | /* offset where Y bottom starts from the starting of the buffer */ | |
76 | u32 ybtm_off; | |
77 | /* offset where C top starts from the starting of the buffer */ | |
78 | u32 ctop_off; | |
79 | /* offset where C bottom starts from the starting of the buffer */ | |
80 | u32 cbtm_off; | |
81 | /* Indicates width of the image data */ | |
82 | u32 width; | |
83 | /* Indicates height of the image data */ | |
84 | u32 height; | |
85 | }; | |
86 | ||
87 | struct channel_obj { | |
88 | /* Identifies video device for this channel */ | |
8eef6669 | 89 | struct video_device video_dev; |
6ffefff5 MK |
90 | /* Indicates id of the field which is being displayed */ |
91 | u32 field_id; | |
92 | /* flag to indicate whether decoder is initialized */ | |
93 | u8 initialized; | |
94 | /* Identifies channel */ | |
95 | enum vpif_channel_id channel_id; | |
6f47c6c6 HV |
96 | /* Current input */ |
97 | u32 input_idx; | |
178cce12 HV |
98 | /* subdev corresponding to the current input, may be NULL */ |
99 | struct v4l2_subdev *sd; | |
6ffefff5 MK |
100 | /* vpif configuration params */ |
101 | struct vpif_params vpifparams; | |
102 | /* common object array */ | |
103 | struct common_obj common[VPIF_NUMBER_OF_OBJECTS]; | |
104 | /* video object */ | |
105 | struct video_obj video; | |
106 | }; | |
107 | ||
6ffefff5 MK |
108 | struct vpif_device { |
109 | struct v4l2_device v4l2_dev; | |
110 | struct channel_obj *dev[VPIF_CAPTURE_NUM_CHANNELS]; | |
111 | struct v4l2_subdev **sd; | |
873229e4 LP |
112 | struct v4l2_async_notifier notifier; |
113 | struct vpif_capture_config *config; | |
6ffefff5 MK |
114 | }; |
115 | ||
6ffefff5 | 116 | #endif /* VPIF_CAPTURE_H */ |