193 lines
6.2 KiB
C
193 lines
6.2 KiB
C
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/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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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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#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/mutex.h>
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#include <media/v4l2-subdev.h>
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struct vsp1_device;
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struct vsp1_dl_body;
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struct vsp1_dl_list;
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struct vsp1_pipeline;
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struct vsp1_partition;
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struct vsp1_partition_window;
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enum vsp1_entity_type {
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VSP1_ENTITY_BRS,
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VSP1_ENTITY_BRU,
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VSP1_ENTITY_CLU,
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VSP1_ENTITY_HGO,
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VSP1_ENTITY_HGT,
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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_UIF,
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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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* @output: Target node value for entity output
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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. The @output field
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* stores the target node value of the entity output when used as a source for
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* histogram generation.
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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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unsigned int output;
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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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* @configure_stream: Setup the hardware parameters for the stream which do
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* not vary between frames (pipeline, formats). Note that
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* the vsp1_dl_list argument is only valid for display
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* pipeline and will be NULL for mem-to-mem pipelines.
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* @configure_frame: Configure the runtime parameters for each frame.
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* @configure_partition: Configure partition specific parameters.
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* @max_width: Return the max supported width of data that the entity can
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* process in a single operation.
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* @partition: Process the partition construction based on this entity's
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* configuration.
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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 (*configure_stream)(struct vsp1_entity *, struct vsp1_pipeline *,
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struct vsp1_dl_list *, struct vsp1_dl_body *);
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void (*configure_frame)(struct vsp1_entity *, struct vsp1_pipeline *,
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struct vsp1_dl_list *, struct vsp1_dl_body *);
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void (*configure_partition)(struct vsp1_entity *,
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struct vsp1_pipeline *,
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struct vsp1_dl_list *,
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struct vsp1_dl_body *);
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unsigned int (*max_width)(struct vsp1_entity *, struct vsp1_pipeline *);
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void (*partition)(struct vsp1_entity *, struct vsp1_pipeline *,
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struct vsp1_partition *, unsigned int,
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struct vsp1_partition_window *);
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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 vsp1_pipeline *pipe;
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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 vsp1_entity **sources;
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struct vsp1_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_state *config;
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struct mutex lock; /* Protects the pad 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, u32 function);
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void vsp1_entity_destroy(struct vsp1_entity *entity);
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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_state *
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vsp1_entity_get_pad_config(struct vsp1_entity *entity,
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struct v4l2_subdev_state *sd_state,
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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_state *sd_state,
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unsigned int pad);
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struct v4l2_rect *
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vsp1_entity_get_pad_selection(struct vsp1_entity *entity,
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struct v4l2_subdev_state *sd_state,
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unsigned int pad, unsigned int target);
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int vsp1_entity_init_cfg(struct v4l2_subdev *subdev,
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struct v4l2_subdev_state *sd_state);
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void vsp1_entity_route_setup(struct vsp1_entity *entity,
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struct vsp1_pipeline *pipe,
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struct vsp1_dl_body *dlb);
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void vsp1_entity_configure_stream(struct vsp1_entity *entity,
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struct vsp1_pipeline *pipe,
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struct vsp1_dl_list *dl,
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struct vsp1_dl_body *dlb);
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void vsp1_entity_configure_frame(struct vsp1_entity *entity,
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struct vsp1_pipeline *pipe,
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struct vsp1_dl_list *dl,
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struct vsp1_dl_body *dlb);
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void vsp1_entity_configure_partition(struct vsp1_entity *entity,
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struct vsp1_pipeline *pipe,
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struct vsp1_dl_list *dl,
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struct vsp1_dl_body *dlb);
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struct media_pad *vsp1_entity_remote_pad(struct media_pad *pad);
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int vsp1_subdev_get_pad_format(struct v4l2_subdev *subdev,
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struct v4l2_subdev_state *sd_state,
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struct v4l2_subdev_format *fmt);
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int vsp1_subdev_set_pad_format(struct v4l2_subdev *subdev,
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struct v4l2_subdev_state *sd_state,
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struct v4l2_subdev_format *fmt,
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const unsigned int *codes, unsigned int ncodes,
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unsigned int min_width, unsigned int min_height,
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unsigned int max_width, unsigned int max_height);
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int vsp1_subdev_enum_mbus_code(struct v4l2_subdev *subdev,
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struct v4l2_subdev_state *sd_state,
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struct v4l2_subdev_mbus_code_enum *code,
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const unsigned int *codes, unsigned int ncodes);
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int vsp1_subdev_enum_frame_size(struct v4l2_subdev *subdev,
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struct v4l2_subdev_state *sd_state,
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struct v4l2_subdev_frame_size_enum *fse,
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unsigned int min_w, unsigned int min_h,
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unsigned int max_w, unsigned int max_h);
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#endif /* __VSP1_ENTITY_H__ */
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