| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * vsp1_entity.h -- R-Car VSP1 Base Entity |
| * |
| * Copyright (C) 2013-2014 Renesas Electronics Corporation |
| * |
| * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) |
| */ |
| #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_body; |
| 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_UIF, |
| VSP1_ENTITY_WPF, |
| }; |
| |
| #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_stream: Setup the hardware parameters for the stream which do |
| * not vary between frames (pipeline, formats). Note that |
| * the vsp1_dl_list argument is only valid for display |
| * pipeline and will be NULL for mem-to-mem pipelines. |
| * @configure_frame: Configure the runtime parameters for each frame. |
| * @configure_partition: Configure partition specific parameters. |
| * @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_stream)(struct vsp1_entity *, struct vsp1_pipeline *, |
| struct vsp1_dl_list *, struct vsp1_dl_body *); |
| void (*configure_frame)(struct vsp1_entity *, struct vsp1_pipeline *, |
| struct vsp1_dl_list *, struct vsp1_dl_body *); |
| void (*configure_partition)(struct vsp1_entity *, |
| struct vsp1_pipeline *, |
| struct vsp1_dl_list *, |
| struct vsp1_dl_body *); |
| 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 vsp1_pipeline *pipe; |
| |
| 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_body *dlb); |
| |
| void vsp1_entity_configure_stream(struct vsp1_entity *entity, |
| struct vsp1_pipeline *pipe, |
| struct vsp1_dl_list *dl, |
| struct vsp1_dl_body *dlb); |
| |
| void vsp1_entity_configure_frame(struct vsp1_entity *entity, |
| struct vsp1_pipeline *pipe, |
| struct vsp1_dl_list *dl, |
| struct vsp1_dl_body *dlb); |
| |
| void vsp1_entity_configure_partition(struct vsp1_entity *entity, |
| struct vsp1_pipeline *pipe, |
| struct vsp1_dl_list *dl, |
| struct vsp1_dl_body *dlb); |
| |
| 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_set_pad_format(struct v4l2_subdev *subdev, |
| struct v4l2_subdev_pad_config *cfg, |
| struct v4l2_subdev_format *fmt, |
| const unsigned int *codes, unsigned int ncodes, |
| unsigned int min_width, unsigned int min_height, |
| unsigned int max_width, unsigned int max_height); |
| 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__ */ |