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path: root/drivers/gpu/drm/mediatek/mtk_plane.h
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Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_plane.h')
-rw-r--r--drivers/gpu/drm/mediatek/mtk_plane.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_plane.h b/drivers/gpu/drm/mediatek/mtk_plane.h
new file mode 100644
index 000000000000..231bb7aac947
--- /dev/null
+++ b/drivers/gpu/drm/mediatek/mtk_plane.h
@@ -0,0 +1,54 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2015 MediaTek Inc.
+ * Author: CK Hu <ck.hu@mediatek.com>
+ */
+
+#ifndef _MTK_PLANE_H_
+#define _MTK_PLANE_H_
+
+#include <drm/drm_crtc.h>
+#include <linux/types.h>
+
+#define AFBC_DATA_BLOCK_WIDTH 32
+#define AFBC_DATA_BLOCK_HEIGHT 8
+#define AFBC_HEADER_BLOCK_SIZE 16
+#define AFBC_HEADER_ALIGNMENT 1024
+
+struct mtk_plane_pending_state {
+ bool config;
+ bool enable;
+ dma_addr_t addr;
+ dma_addr_t hdr_addr;
+ unsigned int pitch;
+ unsigned int hdr_pitch;
+ unsigned int format;
+ unsigned long long modifier;
+ unsigned int x;
+ unsigned int y;
+ unsigned int width;
+ unsigned int height;
+ unsigned int rotation;
+ bool dirty;
+ bool async_dirty;
+ bool async_config;
+ enum drm_color_encoding color_encoding;
+};
+
+struct mtk_plane_state {
+ struct drm_plane_state base;
+ struct mtk_plane_pending_state pending;
+};
+
+static inline struct mtk_plane_state *
+to_mtk_plane_state(struct drm_plane_state *state)
+{
+ return container_of(state, struct mtk_plane_state, base);
+}
+
+int mtk_plane_init(struct drm_device *dev, struct drm_plane *plane,
+ unsigned long possible_crtcs, enum drm_plane_type type,
+ unsigned int supported_rotations, const u32 *formats,
+ size_t num_formats);
+
+#endif