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/mutex.h>
19 #include <media/v4l2-subdev.h>
25 enum vsp1_entity_type {
38 #define VSP1_ENTITY_MAX_INPUTS 5 /* For the BRU */
41 * struct vsp1_route - Entity routing configuration
42 * @type: Entity type this routing entry is associated with
43 * @index: Entity index this routing entry is associated with
44 * @reg: Output routing configuration register
45 * @inputs: Target node value for each input
46 * @output: Target node value for entity output
48 * Each $vsp1_route entry describes routing configuration for the entity
49 * specified by the entry's @type and @index. @reg indicates the register that
50 * holds output routing configuration for the entity, and the @inputs array
51 * store the target node value for each input of the entity. The @output field
52 * stores the target node value of the entity output when used as a source for
53 * histogram generation.
56 enum vsp1_entity_type type;
59 unsigned int inputs[VSP1_ENTITY_MAX_INPUTS];
64 * struct vsp1_entity_operations - Entity operations
65 * @destroy: Destroy the entity.
66 * @set_memory: Setup memory buffer access. This operation applies the settings
67 * stored in the rwpf mem field to the display list. Valid for RPF
69 * @configure: Setup the hardware based on the entity state (pipeline, formats,
70 * selection rectangles, ...)
72 struct vsp1_entity_operations {
73 void (*destroy)(struct vsp1_entity *);
74 void (*set_memory)(struct vsp1_entity *, struct vsp1_dl_list *dl);
75 void (*configure)(struct vsp1_entity *, struct vsp1_pipeline *,
76 struct vsp1_dl_list *, bool);
80 struct vsp1_device *vsp1;
82 const struct vsp1_entity_operations *ops;
84 enum vsp1_entity_type type;
86 const struct vsp1_route *route;
88 struct list_head list_dev;
89 struct list_head list_pipe;
91 struct media_pad *pads;
92 unsigned int source_pad;
94 struct media_entity *sink;
95 unsigned int sink_pad;
97 struct v4l2_subdev subdev;
98 struct v4l2_subdev_pad_config *config;
100 struct mutex lock; /* Protects the pad config */
103 static inline struct vsp1_entity *to_vsp1_entity(struct v4l2_subdev *subdev)
105 return container_of(subdev, struct vsp1_entity, subdev);
108 int vsp1_entity_init(struct vsp1_device *vsp1, struct vsp1_entity *entity,
109 const char *name, unsigned int num_pads,
110 const struct v4l2_subdev_ops *ops, u32 function);
111 void vsp1_entity_destroy(struct vsp1_entity *entity);
113 extern const struct v4l2_subdev_internal_ops vsp1_subdev_internal_ops;
115 int vsp1_entity_link_setup(struct media_entity *entity,
116 const struct media_pad *local,
117 const struct media_pad *remote, u32 flags);
119 struct v4l2_subdev_pad_config *
120 vsp1_entity_get_pad_config(struct vsp1_entity *entity,
121 struct v4l2_subdev_pad_config *cfg,
122 enum v4l2_subdev_format_whence which);
123 struct v4l2_mbus_framefmt *
124 vsp1_entity_get_pad_format(struct vsp1_entity *entity,
125 struct v4l2_subdev_pad_config *cfg,
128 vsp1_entity_get_pad_selection(struct vsp1_entity *entity,
129 struct v4l2_subdev_pad_config *cfg,
130 unsigned int pad, unsigned int target);
131 int vsp1_entity_init_cfg(struct v4l2_subdev *subdev,
132 struct v4l2_subdev_pad_config *cfg);
134 void vsp1_entity_route_setup(struct vsp1_entity *source,
135 struct vsp1_dl_list *dl);
137 int vsp1_subdev_get_pad_format(struct v4l2_subdev *subdev,
138 struct v4l2_subdev_pad_config *cfg,
139 struct v4l2_subdev_format *fmt);
140 int vsp1_subdev_enum_mbus_code(struct v4l2_subdev *subdev,
141 struct v4l2_subdev_pad_config *cfg,
142 struct v4l2_subdev_mbus_code_enum *code,
143 const unsigned int *codes, unsigned int ncodes);
144 int vsp1_subdev_enum_frame_size(struct v4l2_subdev *subdev,
145 struct v4l2_subdev_pad_config *cfg,
146 struct v4l2_subdev_frame_size_enum *fse,
147 unsigned int min_w, unsigned int min_h,
148 unsigned int max_w, unsigned int max_h);
150 #endif /* __VSP1_ENTITY_H__ */