Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
[firefly-linux-kernel-4.4.55.git] / drivers / media / platform / vsp1 / vsp1_entity.h
1 /*
2  * vsp1_entity.h  --  R-Car VSP1 Base Entity
3  *
4  * Copyright (C) 2013-2014 Renesas Electronics Corporation
5  *
6  * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  */
13 #ifndef __VSP1_ENTITY_H__
14 #define __VSP1_ENTITY_H__
15
16 #include <linux/list.h>
17
18 #include <media/v4l2-subdev.h>
19
20 struct vsp1_device;
21
22 enum vsp1_entity_type {
23         VSP1_ENTITY_HSI,
24         VSP1_ENTITY_HST,
25         VSP1_ENTITY_LIF,
26         VSP1_ENTITY_LUT,
27         VSP1_ENTITY_RPF,
28         VSP1_ENTITY_SRU,
29         VSP1_ENTITY_UDS,
30         VSP1_ENTITY_WPF,
31 };
32
33 struct vsp1_entity {
34         struct vsp1_device *vsp1;
35
36         enum vsp1_entity_type type;
37         unsigned int index;
38         unsigned int id;
39         unsigned int route;
40
41         struct list_head list_dev;
42         struct list_head list_pipe;
43
44         struct media_pad *pads;
45         unsigned int source_pad;
46
47         struct media_entity *sink;
48
49         struct v4l2_subdev subdev;
50         struct v4l2_mbus_framefmt *formats;
51 };
52
53 static inline struct vsp1_entity *to_vsp1_entity(struct v4l2_subdev *subdev)
54 {
55         return container_of(subdev, struct vsp1_entity, subdev);
56 }
57
58 int vsp1_entity_init(struct vsp1_device *vsp1, struct vsp1_entity *entity,
59                      unsigned int num_pads);
60 void vsp1_entity_destroy(struct vsp1_entity *entity);
61
62 extern const struct v4l2_subdev_internal_ops vsp1_subdev_internal_ops;
63 extern const struct media_entity_operations vsp1_media_ops;
64
65 struct v4l2_mbus_framefmt *
66 vsp1_entity_get_pad_format(struct vsp1_entity *entity,
67                            struct v4l2_subdev_fh *fh,
68                            unsigned int pad, u32 which);
69 void vsp1_entity_init_formats(struct v4l2_subdev *subdev,
70                               struct v4l2_subdev_fh *fh);
71
72 #endif /* __VSP1_ENTITY_H__ */