drm: Renesas R-Car Display Unit DRM driver

The R-Car Display Unit (DU) DRM driver supports both superposition
processors and all eight planes in RGB and YUV formats with alpha
blending.

Only VGA and LVDS encoders and connectors are currently supported.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 54 insertions, 0 deletions

diff --git a/include/linux/platform_data/rcar-du.h b/include/linux/platform_data/rcar-du.h
new file mode 100644
index 000000000000..80587fdbba3e
--- /dev/null
+++ b/include/linux/platform_data/rcar-du.h
@@ -0,0 +1,54 @@
+/*
+ * rcar_du.h  --  R-Car Display Unit DRM driver
+ *
+ * Copyright (C) 2013 Renesas Corporation
+ *
+ * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __RCAR_DU_H__
+#define __RCAR_DU_H__
+
+#include <drm/drm_mode.h>
+
+enum rcar_du_encoder_type {
+        RCAR_DU_ENCODER_UNUSED = 0,
+        RCAR_DU_ENCODER_VGA,
+        RCAR_DU_ENCODER_LVDS,
+};
+
+struct rcar_du_panel_data {
+        unsigned int width_mm;          /* Panel width in mm */
+        unsigned int height_mm;         /* Panel height in mm */
+        struct drm_mode_modeinfo mode;
+};
+
+struct rcar_du_encoder_lvds_data {
+        struct rcar_du_panel_data panel;
+};
+
+struct rcar_du_encoder_vga_data {
+        /* TODO: Add DDC information for EDID retrieval */
+};
+
+struct rcar_du_encoder_data {
+        enum rcar_du_encoder_type encoder;
+        unsigned int output;
+
+        union {
+                struct rcar_du_encoder_lvds_data lvds;
+                struct rcar_du_encoder_vga_data vga;
+        } u;
+};
+
+struct rcar_du_platform_data {
+        struct rcar_du_encoder_data *encoders;
+        unsigned int num_encoders;
+};
+
+#endif /* __RCAR_DU_H__ */