176 lines
5.5 KiB
C
176 lines
5.5 KiB
C
/*
|
|
* vsp1_entity.h -- R-Car VSP1 Base Entity
|
|
*
|
|
* Copyright (C) 2013-2014 Renesas Electronics Corporation
|
|
*
|
|
* Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*/
|
|
#ifndef __VSP1_ENTITY_H__
|
|
#define __VSP1_ENTITY_H__
|
|
|
|
#include <linux/list.h>
|
|
#include <linux/mutex.h>
|
|
|
|
#include <media/v4l2-subdev.h>
|
|
|
|
struct vsp1_device;
|
|
struct vsp1_dl_list;
|
|
struct vsp1_pipeline;
|
|
struct vsp1_partition;
|
|
struct vsp1_partition_window;
|
|
|
|
enum vsp1_entity_type {
|
|
VSP1_ENTITY_BRS,
|
|
VSP1_ENTITY_BRU,
|
|
VSP1_ENTITY_CLU,
|
|
VSP1_ENTITY_HGO,
|
|
VSP1_ENTITY_HGT,
|
|
VSP1_ENTITY_HSI,
|
|
VSP1_ENTITY_HST,
|
|
VSP1_ENTITY_LIF,
|
|
VSP1_ENTITY_LUT,
|
|
VSP1_ENTITY_RPF,
|
|
VSP1_ENTITY_SRU,
|
|
VSP1_ENTITY_UDS,
|
|
VSP1_ENTITY_WPF,
|
|
};
|
|
|
|
/**
|
|
* enum vsp1_entity_params - Entity configuration parameters class
|
|
* @VSP1_ENTITY_PARAMS_INIT - Initial parameters
|
|
* @VSP1_ENTITY_PARAMS_PARTITION - Per-image partition parameters
|
|
* @VSP1_ENTITY_PARAMS_RUNTIME - Runtime-configurable parameters
|
|
*/
|
|
enum vsp1_entity_params {
|
|
VSP1_ENTITY_PARAMS_INIT,
|
|
VSP1_ENTITY_PARAMS_PARTITION,
|
|
VSP1_ENTITY_PARAMS_RUNTIME,
|
|
};
|
|
|
|
#define VSP1_ENTITY_MAX_INPUTS 5 /* For the BRU */
|
|
|
|
/*
|
|
* struct vsp1_route - Entity routing configuration
|
|
* @type: Entity type this routing entry is associated with
|
|
* @index: Entity index this routing entry is associated with
|
|
* @reg: Output routing configuration register
|
|
* @inputs: Target node value for each input
|
|
* @output: Target node value for entity output
|
|
*
|
|
* Each $vsp1_route entry describes routing configuration for the entity
|
|
* specified by the entry's @type and @index. @reg indicates the register that
|
|
* holds output routing configuration for the entity, and the @inputs array
|
|
* store the target node value for each input of the entity. The @output field
|
|
* stores the target node value of the entity output when used as a source for
|
|
* histogram generation.
|
|
*/
|
|
struct vsp1_route {
|
|
enum vsp1_entity_type type;
|
|
unsigned int index;
|
|
unsigned int reg;
|
|
unsigned int inputs[VSP1_ENTITY_MAX_INPUTS];
|
|
unsigned int output;
|
|
};
|
|
|
|
/**
|
|
* struct vsp1_entity_operations - Entity operations
|
|
* @destroy: Destroy the entity.
|
|
* @configure: Setup the hardware based on the entity state (pipeline, formats,
|
|
* selection rectangles, ...)
|
|
* @max_width: Return the max supported width of data that the entity can
|
|
* process in a single operation.
|
|
* @partition: Process the partition construction based on this entity's
|
|
* configuration.
|
|
*/
|
|
struct vsp1_entity_operations {
|
|
void (*destroy)(struct vsp1_entity *);
|
|
void (*configure)(struct vsp1_entity *, struct vsp1_pipeline *,
|
|
struct vsp1_dl_list *, enum vsp1_entity_params);
|
|
unsigned int (*max_width)(struct vsp1_entity *, struct vsp1_pipeline *);
|
|
void (*partition)(struct vsp1_entity *, struct vsp1_pipeline *,
|
|
struct vsp1_partition *, unsigned int,
|
|
struct vsp1_partition_window *);
|
|
};
|
|
|
|
struct vsp1_entity {
|
|
struct vsp1_device *vsp1;
|
|
|
|
const struct vsp1_entity_operations *ops;
|
|
|
|
enum vsp1_entity_type type;
|
|
unsigned int index;
|
|
const struct vsp1_route *route;
|
|
|
|
struct list_head list_dev;
|
|
struct list_head list_pipe;
|
|
|
|
struct media_pad *pads;
|
|
unsigned int source_pad;
|
|
|
|
struct vsp1_entity **sources;
|
|
struct vsp1_entity *sink;
|
|
unsigned int sink_pad;
|
|
|
|
struct v4l2_subdev subdev;
|
|
struct v4l2_subdev_pad_config *config;
|
|
|
|
struct mutex lock; /* Protects the pad config */
|
|
};
|
|
|
|
static inline struct vsp1_entity *to_vsp1_entity(struct v4l2_subdev *subdev)
|
|
{
|
|
return container_of(subdev, struct vsp1_entity, subdev);
|
|
}
|
|
|
|
int vsp1_entity_init(struct vsp1_device *vsp1, struct vsp1_entity *entity,
|
|
const char *name, unsigned int num_pads,
|
|
const struct v4l2_subdev_ops *ops, u32 function);
|
|
void vsp1_entity_destroy(struct vsp1_entity *entity);
|
|
|
|
extern const struct v4l2_subdev_internal_ops vsp1_subdev_internal_ops;
|
|
|
|
int vsp1_entity_link_setup(struct media_entity *entity,
|
|
const struct media_pad *local,
|
|
const struct media_pad *remote, u32 flags);
|
|
|
|
struct v4l2_subdev_pad_config *
|
|
vsp1_entity_get_pad_config(struct vsp1_entity *entity,
|
|
struct v4l2_subdev_pad_config *cfg,
|
|
enum v4l2_subdev_format_whence which);
|
|
struct v4l2_mbus_framefmt *
|
|
vsp1_entity_get_pad_format(struct vsp1_entity *entity,
|
|
struct v4l2_subdev_pad_config *cfg,
|
|
unsigned int pad);
|
|
struct v4l2_rect *
|
|
vsp1_entity_get_pad_selection(struct vsp1_entity *entity,
|
|
struct v4l2_subdev_pad_config *cfg,
|
|
unsigned int pad, unsigned int target);
|
|
int vsp1_entity_init_cfg(struct v4l2_subdev *subdev,
|
|
struct v4l2_subdev_pad_config *cfg);
|
|
|
|
void vsp1_entity_route_setup(struct vsp1_entity *entity,
|
|
struct vsp1_pipeline *pipe,
|
|
struct vsp1_dl_list *dl);
|
|
|
|
struct media_pad *vsp1_entity_remote_pad(struct media_pad *pad);
|
|
|
|
int vsp1_subdev_get_pad_format(struct v4l2_subdev *subdev,
|
|
struct v4l2_subdev_pad_config *cfg,
|
|
struct v4l2_subdev_format *fmt);
|
|
int vsp1_subdev_enum_mbus_code(struct v4l2_subdev *subdev,
|
|
struct v4l2_subdev_pad_config *cfg,
|
|
struct v4l2_subdev_mbus_code_enum *code,
|
|
const unsigned int *codes, unsigned int ncodes);
|
|
int vsp1_subdev_enum_frame_size(struct v4l2_subdev *subdev,
|
|
struct v4l2_subdev_pad_config *cfg,
|
|
struct v4l2_subdev_frame_size_enum *fse,
|
|
unsigned int min_w, unsigned int min_h,
|
|
unsigned int max_w, unsigned int max_h);
|
|
|
|
#endif /* __VSP1_ENTITY_H__ */
|