| /* |
| * Copyright (c) 2014 - 2015, 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 __RESOURCE_DEFAULT_H__ |
| #define __RESOURCE_DEFAULT_H__ |
| |
| #include <core/display_interface.h> |
| #include <private/resource_interface.h> |
| #include <utils/locker.h> |
| |
| #include "hw_interface.h" |
| |
| namespace sdm { |
| |
| class ResourceDefault : public ResourceInterface { |
| public: |
| DisplayError Init(const HWResourceInfo &hw_resource_info); |
| DisplayError Deinit(); |
| virtual DisplayError RegisterDisplay(DisplayType type, const HWDisplayAttributes &attributes, |
| const HWPanelInfo &hw_panel_info, Handle *display_ctx); |
| virtual DisplayError UnregisterDisplay(Handle display_ctx); |
| virtual void ReconfigureDisplay(Handle display_ctx, const HWDisplayAttributes &attributes, |
| const HWPanelInfo &hw_panel_info); |
| virtual DisplayError Start(Handle display_ctx); |
| virtual DisplayError Stop(Handle display_ctx); |
| virtual DisplayError Acquire(Handle display_ctx, HWLayers *hw_layers); |
| virtual DisplayError PostPrepare(Handle display_ctx, HWLayers *hw_layers); |
| virtual DisplayError PostCommit(Handle display_ctx, HWLayers *hw_layers); |
| virtual void Purge(Handle display_ctx); |
| virtual DisplayError SetMaxMixerStages(Handle display_ctx, uint32_t max_mixer_stages); |
| virtual DisplayError ValidateScaling(const LayerRect &crop, const LayerRect &dst, |
| bool rotate90, bool ubwc_tiled, bool use_rotator_downscale); |
| DisplayError ValidateCursorConfig(Handle display_ctx, const Layer& layer, bool is_top); |
| DisplayError ValidateCursorPosition(Handle display_ctx, HWLayers *hw_layers, int x, int y); |
| |
| private: |
| enum PipeId { |
| kPipeIdVIG0, |
| kPipeIdVIG1, |
| kPipeIdVIG2, |
| kPipeIdRGB0, |
| kPipeIdRGB1, |
| kPipeIdRGB2, |
| kPipeIdDMA0, |
| kPipeIdDMA1, |
| kPipeIdVIG3, |
| kPipeIdRGB3, |
| kPipeIdMax, |
| }; |
| |
| enum PipeType { |
| kPipeTypeUnused, |
| kPipeTypeVIG, |
| kPipeTypeRGB, |
| kPipeTypeDMA, |
| kPipeTypeMax, |
| }; |
| |
| enum PipeOwner { |
| kPipeOwnerUserMode, // Pipe state when it is available for reservation |
| kPipeOwnerKernelMode, // Pipe state when pipe is owned by kernel |
| }; |
| |
| // todo: retrieve all these from kernel |
| enum { |
| kMaxDecimationDownScaleRatio = 16, |
| }; |
| |
| struct SourcePipe { |
| PipeType type; |
| PipeOwner owner; |
| uint32_t mdss_pipe_id; |
| uint32_t index; |
| HWBlockType hw_block_id; |
| int priority; |
| |
| SourcePipe() : type(kPipeTypeUnused), owner(kPipeOwnerUserMode), mdss_pipe_id(kPipeIdMax), |
| index(0), hw_block_id(kHWBlockMax), priority(0) { } |
| |
| inline void ResetState() { hw_block_id = kHWBlockMax;} |
| }; |
| |
| struct DisplayResourceContext { |
| HWDisplayAttributes display_attributes; |
| HWBlockType hw_block_id; |
| uint64_t frame_count; |
| |
| DisplayResourceContext() : hw_block_id(kHWBlockMax), frame_count(0) { } |
| }; |
| |
| struct HWBlockContext { |
| bool is_in_use; |
| HWBlockContext() : is_in_use(false) { } |
| }; |
| |
| uint32_t GetMdssPipeId(PipeType pipe_type, uint32_t index); |
| uint32_t NextPipe(PipeType pipe_type, HWBlockType hw_block_id); |
| uint32_t SearchPipe(HWBlockType hw_block_id, SourcePipe *src_pipes, uint32_t num_pipe); |
| uint32_t GetPipe(HWBlockType hw_block_id, bool need_scale); |
| bool IsScalingNeeded(const HWPipeInfo *pipe_info); |
| DisplayError Config(DisplayResourceContext *display_resource_ctx, HWLayers *hw_layers); |
| DisplayError DisplaySplitConfig(DisplayResourceContext *display_resource_ctx, |
| const LayerRect &src_rect, const LayerRect &dst_rect, |
| HWLayerConfig *layer_config); |
| DisplayError SrcSplitConfig(DisplayResourceContext *display_resource_ctx, |
| const LayerRect &src_rect, const LayerRect &dst_rect, |
| HWLayerConfig *layer_config); |
| bool CalculateCropRects(const LayerRect &scissor, LayerRect *crop, LayerRect *dst); |
| DisplayError ValidateLayerParams(const Layer &layer); |
| DisplayError ValidateDimensions(const LayerRect &crop, const LayerRect &dst); |
| DisplayError ValidatePipeParams(HWPipeInfo *pipe_info, bool ubwc_tiled); |
| DisplayError ValidateDownScaling(float scale_x, float scale_y, bool ubwc_tiled); |
| DisplayError ValidateUpScaling(float scale_x, float scale_y); |
| DisplayError GetScaleFactor(const LayerRect &crop, const LayerRect &dst, float *scale_x, |
| float *scale_y); |
| DisplayError SetDecimationFactor(HWPipeInfo *pipe); |
| void SplitRect(const LayerRect &src_rect, const LayerRect &dst_rect, LayerRect *src_left, |
| LayerRect *dst_left, LayerRect *src_right, LayerRect *dst_right); |
| DisplayError AlignPipeConfig(const Layer &layer, HWPipeInfo *left_pipe, HWPipeInfo *right_pipe); |
| void ResourceStateLog(void); |
| DisplayError CalculateDecimation(float downscale, uint8_t *decimation); |
| bool IsUBWCFormat(LayerBufferFormat format); |
| |
| Locker locker_; |
| HWResourceInfo hw_res_info_; |
| HWBlockContext hw_block_ctx_[kHWBlockMax]; |
| SourcePipe src_pipes_[kPipeIdMax]; |
| uint32_t num_pipe_ = 0; |
| SourcePipe *vig_pipes_ = NULL; |
| SourcePipe *rgb_pipes_ = NULL; |
| SourcePipe *dma_pipes_ = NULL; |
| }; |
| |
| } // namespace sdm |
| |
| #endif // __RESOURCE_DEFAULT_H__ |
| |