2 * vsp1_entity.h -- R-Car VSP1 Base Entity
4 * Copyright (C) 2013-2014 Renesas Electronics Corporation
6 * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
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.
13 #ifndef __VSP1_ENTITY_H__
14 #define __VSP1_ENTITY_H__
16 #include <linux/list.h>
17 #include <linux/spinlock.h>
19 #include <media/v4l2-subdev.h>
23 enum vsp1_entity_type {
35 #define VSP1_ENTITY_MAX_INPUTS 5 /* For the BRU */
38 * struct vsp1_route - Entity routing configuration
39 * @type: Entity type this routing entry is associated with
40 * @index: Entity index this routing entry is associated with
41 * @reg: Output routing configuration register
42 * @inputs: Target node value for each input
44 * Each $vsp1_route entry describes routing configuration for the entity
45 * specified by the entry's @type and @index. @reg indicates the register that
46 * holds output routing configuration for the entity, and the @inputs array
47 * store the target node value for each input of the entity.
50 enum vsp1_entity_type type;
53 unsigned int inputs[VSP1_ENTITY_MAX_INPUTS];
57 struct vsp1_device *vsp1;
59 enum vsp1_entity_type type;
61 const struct vsp1_route *route;
63 struct list_head list_dev;
64 struct list_head list_pipe;
66 struct media_pad *pads;
67 unsigned int source_pad;
69 struct media_entity *sink;
70 unsigned int sink_pad;
72 struct v4l2_subdev subdev;
73 struct v4l2_mbus_framefmt *formats;
75 spinlock_t lock; /* Protects the streaming field */
79 static inline struct vsp1_entity *to_vsp1_entity(struct v4l2_subdev *subdev)
81 return container_of(subdev, struct vsp1_entity, subdev);
84 int vsp1_entity_init(struct vsp1_device *vsp1, struct vsp1_entity *entity,
85 unsigned int num_pads);
86 void vsp1_entity_destroy(struct vsp1_entity *entity);
88 extern const struct v4l2_subdev_internal_ops vsp1_subdev_internal_ops;
90 int vsp1_entity_link_setup(struct media_entity *entity,
91 const struct media_pad *local,
92 const struct media_pad *remote, u32 flags);
94 struct v4l2_mbus_framefmt *
95 vsp1_entity_get_pad_format(struct vsp1_entity *entity,
96 struct v4l2_subdev_pad_config *cfg,
97 unsigned int pad, u32 which);
98 void vsp1_entity_init_formats(struct v4l2_subdev *subdev,
99 struct v4l2_subdev_pad_config *cfg);
101 bool vsp1_entity_is_streaming(struct vsp1_entity *entity);
102 int vsp1_entity_set_streaming(struct vsp1_entity *entity, bool streaming);
104 void vsp1_entity_route_setup(struct vsp1_entity *source);
106 void vsp1_mod_write(struct vsp1_entity *e, u32 reg, u32 data);
108 #endif /* __VSP1_ENTITY_H__ */