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authorCK Hu <ck.hu@mediatek.com>2016-01-04 18:36:34 +0100
committerPhilipp Zabel <p.zabel@pengutronix.de>2016-05-06 17:47:35 +0200
commit119f5173628aa7a0c3cf9db83460d40709e8241d (patch)
treeed062fe93a24bcf0eb17a568fe889558c76e4a5c /drivers/gpu/drm/mediatek/mtk_drm_plane.h
parent923dd88d3cf87ed3751d3ce8a8abc43fdbb4632b (diff)
drm/mediatek: Add DRM Driver for Mediatek SoC MT8173.
This patch adds an initial DRM driver for the Mediatek MT8173 DISP subsystem. It currently supports two fixed output streams from the OVL0/OVL1 sources to the DSI0/DPI0 sinks, respectively. Signed-off-by: CK Hu <ck.hu@mediatek.com> Signed-off-by: YT Shen <yt.shen@mediatek.com> Signed-off-by: Daniel Kurtz <djkurtz@chromium.org> Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com> Signed-off-by: Mao Huang <littlecvr@chromium.org> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_drm_plane.h')
-rw-r--r--drivers/gpu/drm/mediatek/mtk_drm_plane.h59
1 files changed, 59 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.h b/drivers/gpu/drm/mediatek/mtk_drm_plane.h
new file mode 100644
index 000000000000..72a7b3e4c126
--- /dev/null
+++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2015 MediaTek Inc.
+ * Author: CK Hu <ck.hu@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _MTK_DRM_PLANE_H_
+#define _MTK_DRM_PLANE_H_
+
+#include <drm/drm_crtc.h>
+#include <linux/types.h>
+
+struct mtk_drm_plane {
+ struct drm_plane base;
+ unsigned int idx;
+};
+
+struct mtk_plane_pending_state {
+ bool config;
+ bool enable;
+ dma_addr_t addr;
+ unsigned int pitch;
+ unsigned int format;
+ unsigned int x;
+ unsigned int y;
+ unsigned int width;
+ unsigned int height;
+ bool dirty;
+};
+
+struct mtk_plane_state {
+ struct drm_plane_state base;
+ struct mtk_plane_pending_state pending;
+};
+
+static inline struct mtk_drm_plane *to_mtk_plane(struct drm_plane *plane)
+{
+ return container_of(plane, struct mtk_drm_plane, base);
+}
+
+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 mtk_drm_plane *mtk_plane,
+ unsigned long possible_crtcs, enum drm_plane_type type,
+ unsigned int zpos);
+
+#endif