107 lines
2.9 KiB
C
107 lines
2.9 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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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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struct vsp1_entity {
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struct vsp1_device *vsp1;
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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_mbus_framefmt *formats;
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spinlock_t lock; /* Protects the streaming field */
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bool streaming;
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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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unsigned int num_pads);
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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_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, u32 which);
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void vsp1_entity_init_formats(struct v4l2_subdev *subdev,
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struct v4l2_subdev_pad_config *cfg);
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bool vsp1_entity_is_streaming(struct vsp1_entity *entity);
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int vsp1_entity_set_streaming(struct vsp1_entity *entity, bool streaming);
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void vsp1_entity_route_setup(struct vsp1_entity *source);
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#endif /* __VSP1_ENTITY_H__ */
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