1 files changed, 76 insertions, 0 deletions
diff --git a/drivers/media/platform/vsp1/vsp1_drm.h b/drivers/media/platform/vsp1/vsp1_drm.h
new file mode 100644
index 000000000..8dfd274a5
--- /dev/null
+++ b/drivers/media/platform/vsp1/vsp1_drm.h
@@ -0,0 +1,76 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * vsp1_drm.h  --  R-Car VSP1 DRM/KMS Interface
+ *
+ * Copyright (C) 2015 Renesas Electronics Corporation
+ *
+ * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
+ */
+#ifndef __VSP1_DRM_H__
+#define __VSP1_DRM_H__
+
+#include <linux/mutex.h>
+#include <linux/videodev2.h>
+#include <linux/wait.h>
+
+#include <media/vsp1.h>
+
+#include "vsp1_pipe.h"
+
+/**
+ * vsp1_drm_pipeline - State for the API exposed to the DRM driver
+ * @pipe: the VSP1 pipeline used for display
+ * @width: output display width
+ * @height: output display height
+ * @force_brx_release: when set, release the BRx during the next reconfiguration
+ * @wait_queue: wait queue to wait for BRx release completion
+ * @uif: UIF entity if available for the pipeline
+ * @crc: CRC computation configuration
+ * @du_complete: frame completion callback for the DU driver (optional)
+ * @du_private: data to be passed to the du_complete callback
+ */
+struct vsp1_drm_pipeline {
+	struct vsp1_pipeline pipe;
+
+	unsigned int width;
+	unsigned int height;
+
+	bool force_brx_release;
+	wait_queue_head_t wait_queue;
+
+	struct vsp1_entity *uif;
+	struct vsp1_du_crc_config crc;
+
+	/* Frame synchronisation */
+	void (*du_complete)(void *data, bool completed, u32 crc);
+	void *du_private;
+};
+
+/**
+ * vsp1_drm - State for the API exposed to the DRM driver
+ * @pipe: the VSP1 DRM pipeline used for display
+ * @lock: protects the BRU and BRS allocation
+ * @inputs: source crop rectangle, destination compose rectangle and z-order
+ *	position for every input (indexed by RPF index)
+ */
+struct vsp1_drm {
+	struct vsp1_drm_pipeline pipe[VSP1_MAX_LIF];
+	struct mutex lock;
+
+	struct {
+		struct v4l2_rect crop;
+		struct v4l2_rect compose;
+		unsigned int zpos;
+	} inputs[VSP1_MAX_RPF];
+};
+
+static inline struct vsp1_drm_pipeline *
+to_vsp1_drm_pipeline(struct vsp1_pipeline *pipe)
+{
+	return container_of(pipe, struct vsp1_drm_pipeline, pipe);
+}
+
+int vsp1_drm_init(struct vsp1_device *vsp1);
+void vsp1_drm_cleanup(struct vsp1_device *vsp1);
+
+#endif /* __VSP1_DRM_H__ */