+/**
+ * struct vimc_device - main device for vimc driver
+ *
+ * @pdev pointer to the platform device
+ * @pipe_cfg pointer to the vimc pipeline configuration structure
+ * @ent_devs array of vimc_ent_device pointers
+ * @mdev the associated media_device parent
+ * @v4l2_dev Internal v4l2 parent device
+ */
+struct vimc_device {
+ struct platform_device pdev;
+ const struct vimc_pipeline_config *pipe_cfg;
+ struct vimc_ent_device **ent_devs;
+ struct media_device mdev;
+ struct v4l2_device v4l2_dev;
+};
+
+/**
+ * struct vimc_ent_config Structure which describes individual
+ * configuration for each entity
+ *
+ * @name entity name
+ * @ved pointer to vimc_ent_device (a node in the
+ * topology)
+ * @add subdev add hook - initializes and registers
+ * subdev called from vimc-core
+ * @rm subdev rm hook - unregisters and frees
+ * subdev called from vimc-core
+ */
+struct vimc_ent_config {
+ const char *name;
+ struct vimc_ent_device *(*add)(struct vimc_device *vimc,
+ const char *vcfg_name);
+ void (*rm)(struct vimc_device *vimc, struct vimc_ent_device *ved);
+};
+
+/* prototypes for vimc_ent_config add and rm hooks */
+struct vimc_ent_device *vimc_cap_add(struct vimc_device *vimc,
+ const char *vcfg_name);
+void vimc_cap_rm(struct vimc_device *vimc, struct vimc_ent_device *ved);
+
+struct vimc_ent_device *vimc_deb_add(struct vimc_device *vimc,
+ const char *vcfg_name);
+void vimc_deb_rm(struct vimc_device *vimc, struct vimc_ent_device *ved);
+
+struct vimc_ent_device *vimc_sca_add(struct vimc_device *vimc,
+ const char *vcfg_name);
+void vimc_sca_rm(struct vimc_device *vimc, struct vimc_ent_device *ved);
+
+struct vimc_ent_device *vimc_sen_add(struct vimc_device *vimc,
+ const char *vcfg_name);
+void vimc_sen_rm(struct vimc_device *vimc, struct vimc_ent_device *ved);
+