1 files changed, 85 insertions, 0 deletions
diff --git a/msm8909/sdm/libs/core/fb/hw_scale.h b/msm8909/sdm/libs/core/fb/hw_scale.h
new file mode 100644
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+++ b/msm8909/sdm/libs/core/fb/hw_scale.h
@@ -0,0 +1,85 @@
+/*
+* Copyright (c) 2016, 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_H__
+#define __HW_SCALE_H__
+
+#include <linux/msm_mdp_ext.h>
+#include <private/hw_info_types.h>
+
+#include <cstring>
+#include <array>
+#include <map>
+
+namespace sdm {
+
+class HWScale {
+ public:
+  static DisplayError Create(HWScale **intf, bool has_qseed3);
+  static DisplayError Destroy(HWScale *intf);
+
+  virtual void SetHWScaleData(const HWScaleData &scale, uint32_t index,
+                              mdp_layer_commit_v1 *mdp_commit, HWSubBlockType sub_block_type) = 0;
+  virtual void* GetScaleDataRef(uint32_t index, HWSubBlockType sub_block_type) = 0;
+  virtual void DumpScaleData(void *mdp_scale) = 0;
+  virtual void ResetScaleParams() = 0;
+ protected:
+  virtual ~HWScale() { }
+};
+
+class HWScaleV1 : public HWScale {
+ public:
+  virtual void SetHWScaleData(const HWScaleData &scale, uint32_t index,
+                              mdp_layer_commit_v1 *mdp_commit, HWSubBlockType sub_block_type);
+  virtual void* GetScaleDataRef(uint32_t index, HWSubBlockType sub_block_type);
+  virtual void DumpScaleData(void *mdp_scale);
+  virtual void ResetScaleParams() { scale_data_v1_ = {}; }
+
+ protected:
+  ~HWScaleV1() {}
+  std::array<mdp_scale_data, (kMaxSDELayers * 2)> scale_data_v1_ = {};
+};
+
+class HWScaleV2 : public HWScale {
+ public:
+  virtual void SetHWScaleData(const HWScaleData &scale, uint32_t index,
+                              mdp_layer_commit_v1 *mdp_commit, HWSubBlockType sub_block_type);
+  virtual void* GetScaleDataRef(uint32_t index, HWSubBlockType sub_block_type);
+  virtual void DumpScaleData(void *mdp_scale);
+  virtual void ResetScaleParams() { scale_data_v2_ = {}; dest_scale_data_v2_ = {}; }
+
+ protected:
+  ~HWScaleV2() {}
+  std::array<mdp_scale_data_v2, (kMaxSDELayers * 2)> scale_data_v2_ = {};
+  std::map<uint32_t, mdp_scale_data_v2> dest_scale_data_v2_ = {};
+
+ private:
+  uint32_t GetMDPAlphaInterpolation(HWAlphaInterpolation alpha_filter_cfg);
+  uint32_t GetMDPScalingFilter(ScalingFilterConfig filter_cfg);
+};
+
+}  // namespace sdm
+
+#endif  // __HW_SCALE_H__
+