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1/* SPDX-License-Identifier: GPL-2.0+ */2/*3 * vsp1_entity.h -- R-Car VSP1 Base Entity4 *5 * Copyright (C) 2013-2014 Renesas Electronics Corporation6 *7 * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)8 */9#ifndef __VSP1_ENTITY_H__10#define __VSP1_ENTITY_H__11 12#include <linux/list.h>13#include <linux/mutex.h>14 15#include <media/v4l2-subdev.h>16 17struct vsp1_device;18struct vsp1_dl_body;19struct vsp1_dl_list;20struct vsp1_pipeline;21struct vsp1_partition;22 23enum vsp1_entity_type {24 VSP1_ENTITY_BRS,25 VSP1_ENTITY_BRU,26 VSP1_ENTITY_CLU,27 VSP1_ENTITY_HGO,28 VSP1_ENTITY_HGT,29 VSP1_ENTITY_HSI,30 VSP1_ENTITY_HST,31 VSP1_ENTITY_LIF,32 VSP1_ENTITY_LUT,33 VSP1_ENTITY_RPF,34 VSP1_ENTITY_SRU,35 VSP1_ENTITY_UDS,36 VSP1_ENTITY_UIF,37 VSP1_ENTITY_WPF,38};39 40#define VSP1_ENTITY_MAX_INPUTS 5 /* For the BRU */41 42/*43 * struct vsp1_route - Entity routing configuration44 * @type: Entity type this routing entry is associated with45 * @index: Entity index this routing entry is associated with46 * @reg: Output routing configuration register47 * @inputs: Target node value for each input48 * @output: Target node value for entity output49 *50 * Each $vsp1_route entry describes routing configuration for the entity51 * specified by the entry's @type and @index. @reg indicates the register that52 * holds output routing configuration for the entity, and the @inputs array53 * store the target node value for each input of the entity. The @output field54 * stores the target node value of the entity output when used as a source for55 * histogram generation.56 */57struct vsp1_route {58 enum vsp1_entity_type type;59 unsigned int index;60 unsigned int reg;61 unsigned int inputs[VSP1_ENTITY_MAX_INPUTS];62 unsigned int output;63};64 65/**66 * struct vsp1_entity_operations - Entity operations67 * @destroy: Destroy the entity.68 * @configure_stream: Setup the hardware parameters for the stream which do69 * not vary between frames (pipeline, formats). Note that70 * the vsp1_dl_list argument is only valid for display71 * pipeline and will be NULL for mem-to-mem pipelines.72 * @configure_frame: Configure the runtime parameters for each frame.73 * @configure_partition: Configure partition specific parameters.74 * @max_width: Return the max supported width of data that the entity can75 * process in a single operation.76 * @partition: Process the partition construction based on this entity's77 * configuration.78 */79struct vsp1_entity_operations {80 void (*destroy)(struct vsp1_entity *entity);81 void (*configure_stream)(struct vsp1_entity *entity,82 struct v4l2_subdev_state *state,83 struct vsp1_pipeline *pipe,84 struct vsp1_dl_list *dl,85 struct vsp1_dl_body *dlb);86 void (*configure_frame)(struct vsp1_entity *entity,87 struct vsp1_pipeline *pipe,88 struct vsp1_dl_list *dl,89 struct vsp1_dl_body *dlb);90 void (*configure_partition)(struct vsp1_entity *entity,91 struct vsp1_pipeline *pipe,92 const struct vsp1_partition *partition,93 struct vsp1_dl_list *dl,94 struct vsp1_dl_body *dlb);95 unsigned int (*max_width)(struct vsp1_entity *entity,96 struct v4l2_subdev_state *state,97 struct vsp1_pipeline *pipe);98 void (*partition)(struct vsp1_entity *entity,99 struct v4l2_subdev_state *state,100 struct vsp1_pipeline *pipe,101 struct vsp1_partition *partition,102 unsigned int index,103 struct v4l2_rect *window);104};105 106struct vsp1_entity {107 struct vsp1_device *vsp1;108 109 const struct vsp1_entity_operations *ops;110 111 enum vsp1_entity_type type;112 unsigned int index;113 const struct vsp1_route *route;114 115 struct vsp1_pipeline *pipe;116 117 struct list_head list_dev;118 struct list_head list_pipe;119 120 struct media_pad *pads;121 unsigned int source_pad;122 123 struct vsp1_entity **sources;124 struct vsp1_entity *sink;125 unsigned int sink_pad;126 127 struct v4l2_subdev subdev;128 struct v4l2_subdev_state *state;129 130 struct mutex lock; /* Protects the state */131};132 133static inline struct vsp1_entity *to_vsp1_entity(struct v4l2_subdev *subdev)134{135 return container_of(subdev, struct vsp1_entity, subdev);136}137 138int vsp1_entity_init(struct vsp1_device *vsp1, struct vsp1_entity *entity,139 const char *name, unsigned int num_pads,140 const struct v4l2_subdev_ops *ops, u32 function);141void vsp1_entity_destroy(struct vsp1_entity *entity);142 143int vsp1_entity_link_setup(struct media_entity *entity,144 const struct media_pad *local,145 const struct media_pad *remote, u32 flags);146 147struct v4l2_subdev_state *148vsp1_entity_get_state(struct vsp1_entity *entity,149 struct v4l2_subdev_state *sd_state,150 enum v4l2_subdev_format_whence which);151 152void vsp1_entity_route_setup(struct vsp1_entity *entity,153 struct vsp1_pipeline *pipe,154 struct vsp1_dl_body *dlb);155 156void vsp1_entity_configure_stream(struct vsp1_entity *entity,157 struct v4l2_subdev_state *state,158 struct vsp1_pipeline *pipe,159 struct vsp1_dl_list *dl,160 struct vsp1_dl_body *dlb);161 162void vsp1_entity_configure_frame(struct vsp1_entity *entity,163 struct vsp1_pipeline *pipe,164 struct vsp1_dl_list *dl,165 struct vsp1_dl_body *dlb);166 167void vsp1_entity_configure_partition(struct vsp1_entity *entity,168 struct vsp1_pipeline *pipe,169 const struct vsp1_partition *partition,170 struct vsp1_dl_list *dl,171 struct vsp1_dl_body *dlb);172 173struct media_pad *vsp1_entity_remote_pad(struct media_pad *pad);174 175int vsp1_subdev_get_pad_format(struct v4l2_subdev *subdev,176 struct v4l2_subdev_state *sd_state,177 struct v4l2_subdev_format *fmt);178int vsp1_subdev_set_pad_format(struct v4l2_subdev *subdev,179 struct v4l2_subdev_state *sd_state,180 struct v4l2_subdev_format *fmt,181 const unsigned int *codes, unsigned int ncodes,182 unsigned int min_width, unsigned int min_height,183 unsigned int max_width, unsigned int max_height);184int vsp1_subdev_enum_mbus_code(struct v4l2_subdev *subdev,185 struct v4l2_subdev_state *sd_state,186 struct v4l2_subdev_mbus_code_enum *code,187 const unsigned int *codes, unsigned int ncodes);188int vsp1_subdev_enum_frame_size(struct v4l2_subdev *subdev,189 struct v4l2_subdev_state *sd_state,190 struct v4l2_subdev_frame_size_enum *fse,191 unsigned int min_w, unsigned int min_h,192 unsigned int max_w, unsigned int max_h);193 194#endif /* __VSP1_ENTITY_H__ */195