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Thomas Gleixnerc942fdd2019-05-27 08:55:06 +02001/* SPDX-License-Identifier: GPL-2.0-or-later */
Muralidharan Karicheri6ffefff2009-09-16 14:31:10 -03002/*
3 * Copyright (C) 2009 Texas Instruments Inc
Muralidharan Karicheri6ffefff2009-09-16 14:31:10 -03004 */
5
6#ifndef VPIF_CAPTURE_H
7#define VPIF_CAPTURE_H
8
Muralidharan Karicheri6ffefff2009-09-16 14:31:10 -03009/* Header files */
Lad, Prabhakar60aa38d2012-06-28 09:28:05 -030010#include <media/videobuf2-dma-contig.h>
Lad, Prabhakar012eef72013-04-19 05:53:29 -030011#include <media/v4l2-device.h>
Muralidharan Karicheri6ffefff2009-09-16 14:31:10 -030012
13#include "vpif.h"
14
15/* Macros */
Mauro Carvalho Chehab64dc3c12011-06-25 11:28:37 -030016#define VPIF_CAPTURE_VERSION "0.0.2"
Muralidharan Karicheri6ffefff2009-09-16 14:31:10 -030017
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 */
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;
Hans Verkuil0598c172012-09-18 07:18:47 -030038 struct v4l2_dv_timings dv_timings;
Muralidharan Karicheri6ffefff2009-09-16 14:31:10 -030039};
40
Lad, Prabhakar60aa38d2012-06-28 09:28:05 -030041struct vpif_cap_buffer {
Junghak Sung2d700712015-09-22 10:30:30 -030042 struct vb2_v4l2_buffer vb;
Lad, Prabhakar60aa38d2012-06-28 09:28:05 -030043 struct list_head list;
44};
45
Muralidharan Karicheri6ffefff2009-09-16 14:31:10 -030046struct common_obj {
47 /* Pointer pointing to current v4l2_buffer */
Lad, Prabhakar60aa38d2012-06-28 09:28:05 -030048 struct vpif_cap_buffer *cur_frm;
Muralidharan Karicheri6ffefff2009-09-16 14:31:10 -030049 /* Pointer pointing to current v4l2_buffer */
Lad, Prabhakar60aa38d2012-06-28 09:28:05 -030050 struct vpif_cap_buffer *next_frm;
Muralidharan Karicheri6ffefff2009-09-16 14:31:10 -030051 /* Used to store pixel format */
52 struct v4l2_format fmt;
53 /* Buffer queue used in video-buf */
Lad, Prabhakar60aa38d2012-06-28 09:28:05 -030054 struct vb2_queue buffer_queue;
Muralidharan Karicheri6ffefff2009-09-16 14:31:10 -030055 /* Queue of filled frames */
56 struct list_head dma_queue;
Kevin Hilman62dd4ac2016-12-07 16:30:23 -020057 /* Protects the dma_queue field */
Muralidharan Karicheri6ffefff2009-09-16 14:31:10 -030058 spinlock_t irqlock;
59 /* lock used to access this structure */
60 struct mutex lock;
Muralidharan Karicheri6ffefff2009-09-16 14:31:10 -030061 /* 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 */
Lad, Prabhakar8eef6662015-03-08 18:57:23 -030080 struct video_device video_dev;
Muralidharan Karicheri6ffefff2009-09-16 14:31:10 -030081 /* 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;
Hans Verkuil6f47c6c2012-09-20 09:06:22 -030087 /* Current input */
88 u32 input_idx;
Hans Verkuil178cce12012-09-20 09:06:30 -030089 /* subdev corresponding to the current input, may be NULL */
90 struct v4l2_subdev *sd;
Muralidharan Karicheri6ffefff2009-09-16 14:31:10 -030091 /* 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
Muralidharan Karicheri6ffefff2009-09-16 14:31:10 -030099struct vpif_device {
100 struct v4l2_device v4l2_dev;
101 struct channel_obj *dev[VPIF_CAPTURE_NUM_CHANNELS];
102 struct v4l2_subdev **sd;
Lad, Prabhakar873229e2013-06-25 11:17:34 -0300103 struct v4l2_async_notifier notifier;
104 struct vpif_capture_config *config;
Muralidharan Karicheri6ffefff2009-09-16 14:31:10 -0300105};
106
Muralidharan Karicheri6ffefff2009-09-16 14:31:10 -0300107#endif /* VPIF_CAPTURE_H */