1 files changed, 63 insertions, 0 deletions
diff --git a/msm8909/sdm/libs/core/drm/hw_scale_drm.h b/msm8909/sdm/libs/core/drm/hw_scale_drm.h
new file mode 100644
index 00000000..8a4be70b
--- /dev/null
+++ b/msm8909/sdm/libs/core/drm/hw_scale_drm.h
@@ -0,0 +1,63 @@
+/*
+* Copyright (c) 2016-2017, The Linux Foundation. All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are
+* met:
+*     * Redistributions of source code must retain the above copyright
+*       notice, this list of conditions and the following disclaimer.
+*     * Redistributions in binary form must reproduce the above
+*       copyright notice, this list of conditions and the following
+*       disclaimer in the documentation and/or other materials provided
+*       with the distribution.
+*     * Neither the name of The Linux Foundation nor the names of its
+*       contributors may be used to endorse or promote products derived
+*       from this software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+* ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef __HW_SCALE_DRM_H__
+#define __HW_SCALE_DRM_H__
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <drm.h>
+// The 3 headers above are a workaround to prevent kernel drm.h from being used that has the
+// "virtual" keyword used for a variable. In future replace libdrm version drm.h with kernel
+// version drm/drm.h
+#include <drm/sde_drm.h>
+#include <private/hw_info_types.h>
+
+namespace sdm {
+
+struct SDEScaler {
+  struct sde_drm_scaler_v2 scaler_v2 = {};
+  // More here, maybe in a union
+};
+
+class HWScaleDRM {
+ public:
+  enum class Version { V2 };
+  explicit HWScaleDRM(Version v) : version_(v) {}
+  void SetPlaneScaler(const HWScaleData &scale, SDEScaler *scaler);
+
+ private:
+  void SetPlaneScalerV2(const HWScaleData &scale, sde_drm_scaler_v2 *scaler_v2);
+
+  Version version_ = Version::V2;
+};
+
+}  // namespace sdm
+
+#endif  // __HW_SCALE_DRM_H__