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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_drm.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_drm.h')
-rw-r--r--drivers/media/platform/renesas/vsp1/vsp1_drm.h76
1 files changed, 76 insertions, 0 deletions
diff --git a/drivers/media/platform/renesas/vsp1/vsp1_drm.h b/drivers/media/platform/renesas/vsp1/vsp1_drm.h
new file mode 100644
index 000000000..ab8b7e316
--- /dev/null
+++ b/drivers/media/platform/renesas/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"
+
+/**
+ * struct 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, unsigned int status, u32 crc);
+ void *du_private;
+};
+
+/**
+ * struct 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__ */