1 /* 2 * Copyright (c) 2014 - 2016, The Linux Foundation. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without modification, are permitted 5 * provided that the following conditions are met: 6 * * Redistributions of source code must retain the above copyright notice, this list of 7 * conditions and the following disclaimer. 8 * * Redistributions in binary form must reproduce the above copyright notice, this list of 9 * conditions and the following disclaimer in the documentation and/or other materials provided 10 * with the distribution. 11 * * Neither the name of The Linux Foundation nor the names of its contributors may be used to 12 * endorse or promote products derived from this software without specific prior written 13 * permission. 14 * 15 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 17 * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 19 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 20 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 21 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 22 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25 #ifndef __COMP_MANAGER_H__ 26 #define __COMP_MANAGER_H__ 27 28 #include <core/display_interface.h> 29 #include <private/extension_interface.h> 30 #include <utils/locker.h> 31 32 #include "strategy.h" 33 #include "resource_default.h" 34 #include "hw_interface.h" 35 #include "dump_impl.h" 36 37 namespace sdm { 38 39 class CompManager : public DumpImpl { 40 public: 41 DisplayError Init(const HWResourceInfo &hw_res_info_, ExtensionInterface *extension_intf, 42 BufferSyncHandler *buffer_sync_handler); 43 DisplayError Deinit(); 44 DisplayError RegisterDisplay(DisplayType type, const HWDisplayAttributes &attributes, 45 const HWPanelInfo &hw_panel_info, Handle *res_mgr_hnd); 46 DisplayError UnregisterDisplay(Handle res_mgr_hnd); 47 DisplayError ReconfigureDisplay(Handle display_ctx, const HWDisplayAttributes &attributes, 48 const HWPanelInfo &hw_panel_info); 49 void PrePrepare(Handle display_ctx, HWLayers *hw_layers); 50 DisplayError Prepare(Handle display_ctx, HWLayers *hw_layers); 51 DisplayError PostPrepare(Handle display_ctx, HWLayers *hw_layers); 52 DisplayError ReConfigure(Handle display_ctx, HWLayers *hw_layers); 53 DisplayError PostCommit(Handle display_ctx, HWLayers *hw_layers); 54 void Purge(Handle display_ctx); 55 void ProcessIdleTimeout(Handle display_ctx); 56 void ProcessThermalEvent(Handle display_ctx, int64_t thermal_level); 57 DisplayError SetMaxMixerStages(Handle display_ctx, uint32_t max_mixer_stages); 58 void ControlPartialUpdate(Handle display_ctx, bool enable); 59 DisplayError ValidateScaling(const LayerRect &crop, const LayerRect &dst, bool rotate90); 60 DisplayError ValidateCursorPosition(Handle display_ctx, HWLayers *hw_layers, int x, int y); 61 bool SupportLayerAsCursor(Handle display_ctx, HWLayers *hw_layers); 62 bool CanSetIdleTimeout(Handle display_ctx); 63 DisplayError SetMaxBandwidthMode(HWBwModes mode); 64 65 // DumpImpl method 66 virtual void AppendDump(char *buffer, uint32_t length); 67 68 private: 69 static const int kMaxThermalLevel = 3; 70 71 void PrepareStrategyConstraints(Handle display_ctx, HWLayers *hw_layers); 72 73 struct DisplayCompositionContext { 74 Strategy *strategy = NULL; 75 StrategyConstraints constraints; 76 Handle display_resource_ctx = NULL; 77 DisplayType display_type = kPrimary; 78 uint32_t max_strategies = 0; 79 uint32_t remaining_strategies = 0; 80 bool idle_fallback = false; 81 bool fallback_ = false; 82 uint32_t partial_update_enable = true; 83 }; 84 85 Locker locker_; 86 ResourceInterface *resource_intf_ = NULL; 87 ResourceDefault resource_default_; 88 uint32_t registered_displays_ = 0; // Stores the bit mask of registered displays 89 uint32_t configured_displays_ = 0; // Stores the bit mask of sucessfully configured displays 90 bool safe_mode_ = false; // Flag to notify all displays to be in resource crunch 91 // mode, where strategy manager chooses the best strategy 92 // that uses optimal number of pipes for each display 93 HWResourceInfo hw_res_info_; 94 ExtensionInterface *extension_intf_ = NULL; 95 uint32_t max_layers_ = kMaxSDELayers; 96 }; 97 98 } // namespace sdm 99 100 #endif // __COMP_MANAGER_H__ 101 102