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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/media/platform/renesas/vsp1/vsp1_entity.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/platform/renesas/vsp1/vsp1_entity.h')
-rw-r--r--drivers/media/platform/renesas/vsp1/vsp1_entity.h194
1 files changed, 194 insertions, 0 deletions
diff --git a/drivers/media/platform/renesas/vsp1/vsp1_entity.h b/drivers/media/platform/renesas/vsp1/vsp1_entity.h
new file mode 100644
index 000000000..f22724439
--- /dev/null
+++ b/drivers/media/platform/renesas/vsp1/vsp1_entity.h
@@ -0,0 +1,194 @@
+/* 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_state *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_state *
+vsp1_entity_get_pad_config(struct vsp1_entity *entity,
+ struct v4l2_subdev_state *sd_state,
+ enum v4l2_subdev_format_whence which);
+struct v4l2_mbus_framefmt *
+vsp1_entity_get_pad_format(struct vsp1_entity *entity,
+ struct v4l2_subdev_state *sd_state,
+ unsigned int pad);
+struct v4l2_rect *
+vsp1_entity_get_pad_selection(struct vsp1_entity *entity,
+ struct v4l2_subdev_state *sd_state,
+ unsigned int pad, unsigned int target);
+int vsp1_entity_init_cfg(struct v4l2_subdev *subdev,
+ struct v4l2_subdev_state *sd_state);
+
+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_state *sd_state,
+ struct v4l2_subdev_format *fmt);
+int vsp1_subdev_set_pad_format(struct v4l2_subdev *subdev,
+ struct v4l2_subdev_state *sd_state,
+ 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_state *sd_state,
+ 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_state *sd_state,
+ 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__ */