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Pass the pipe explicitly instead of retrieving it through media entities. This decouples device state stored in the pipeline from the active state stored in entities, preparing for dynamic pipeline creation. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
131 lines
3.8 KiB
C
131 lines
3.8 KiB
C
/*
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* vsp1_entity.h -- R-Car VSP1 Base Entity
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*
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* Copyright (C) 2013-2014 Renesas Electronics Corporation
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*
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* Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef __VSP1_ENTITY_H__
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#define __VSP1_ENTITY_H__
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#include <linux/list.h>
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#include <linux/spinlock.h>
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#include <media/v4l2-subdev.h>
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struct vsp1_device;
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struct vsp1_dl_list;
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struct vsp1_pipeline;
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enum vsp1_entity_type {
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VSP1_ENTITY_BRU,
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VSP1_ENTITY_HSI,
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VSP1_ENTITY_HST,
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VSP1_ENTITY_LIF,
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VSP1_ENTITY_LUT,
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VSP1_ENTITY_RPF,
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VSP1_ENTITY_SRU,
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VSP1_ENTITY_UDS,
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VSP1_ENTITY_WPF,
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};
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#define VSP1_ENTITY_MAX_INPUTS 5 /* For the BRU */
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/*
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* struct vsp1_route - Entity routing configuration
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* @type: Entity type this routing entry is associated with
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* @index: Entity index this routing entry is associated with
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* @reg: Output routing configuration register
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* @inputs: Target node value for each input
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*
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* Each $vsp1_route entry describes routing configuration for the entity
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* specified by the entry's @type and @index. @reg indicates the register that
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* holds output routing configuration for the entity, and the @inputs array
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* store the target node value for each input of the entity.
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*/
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struct vsp1_route {
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enum vsp1_entity_type type;
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unsigned int index;
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unsigned int reg;
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unsigned int inputs[VSP1_ENTITY_MAX_INPUTS];
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};
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/**
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* struct vsp1_entity_operations - Entity operations
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* @destroy: Destroy the entity.
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* @set_memory: Setup memory buffer access. This operation applies the settings
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* stored in the rwpf mem field to the display list. Valid for RPF
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* and WPF only.
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* @configure: Setup the hardware based on the entity state (pipeline, formats,
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* selection rectangles, ...)
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*/
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struct vsp1_entity_operations {
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void (*destroy)(struct vsp1_entity *);
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void (*set_memory)(struct vsp1_entity *, struct vsp1_dl_list *dl);
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void (*configure)(struct vsp1_entity *, struct vsp1_pipeline *,
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struct vsp1_dl_list *);
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};
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struct vsp1_entity {
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struct vsp1_device *vsp1;
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const struct vsp1_entity_operations *ops;
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enum vsp1_entity_type type;
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unsigned int index;
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const struct vsp1_route *route;
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struct list_head list_dev;
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struct list_head list_pipe;
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struct media_pad *pads;
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unsigned int source_pad;
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struct media_entity *sink;
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unsigned int sink_pad;
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struct v4l2_subdev subdev;
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struct v4l2_subdev_pad_config *config;
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};
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static inline struct vsp1_entity *to_vsp1_entity(struct v4l2_subdev *subdev)
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{
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return container_of(subdev, struct vsp1_entity, subdev);
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}
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int vsp1_entity_init(struct vsp1_device *vsp1, struct vsp1_entity *entity,
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const char *name, unsigned int num_pads,
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const struct v4l2_subdev_ops *ops);
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void vsp1_entity_destroy(struct vsp1_entity *entity);
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extern const struct v4l2_subdev_internal_ops vsp1_subdev_internal_ops;
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int vsp1_entity_link_setup(struct media_entity *entity,
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const struct media_pad *local,
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const struct media_pad *remote, u32 flags);
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struct v4l2_subdev_pad_config *
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vsp1_entity_get_pad_config(struct vsp1_entity *entity,
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struct v4l2_subdev_pad_config *cfg,
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enum v4l2_subdev_format_whence which);
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struct v4l2_mbus_framefmt *
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vsp1_entity_get_pad_format(struct vsp1_entity *entity,
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struct v4l2_subdev_pad_config *cfg,
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unsigned int pad);
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struct v4l2_rect *
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vsp1_entity_get_pad_compose(struct vsp1_entity *entity,
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struct v4l2_subdev_pad_config *cfg,
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unsigned int pad);
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int vsp1_entity_init_cfg(struct v4l2_subdev *subdev,
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struct v4l2_subdev_pad_config *cfg);
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void vsp1_entity_route_setup(struct vsp1_entity *source,
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struct vsp1_dl_list *dl);
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#endif /* __VSP1_ENTITY_H__ */
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