1 /* 2 * Copyright (c) 2014 - 2017, 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 __DISPLAY_HDMI_H__ 26 #define __DISPLAY_HDMI_H__ 27 28 #include <vector> 29 #include <map> 30 31 #include "display_base.h" 32 #include "dump_impl.h" 33 #include "hw_events_interface.h" 34 35 namespace sdm { 36 37 class HWHDMIInterface; 38 39 class DisplayHDMI : public DisplayBase, HWEventHandler { 40 public: 41 DisplayHDMI(DisplayEventHandler *event_handler, HWInfoInterface *hw_info_intf, 42 BufferSyncHandler *buffer_sync_handler, BufferAllocator *buffer_allocator, 43 CompManager *comp_manager); 44 virtual DisplayError Init(); 45 virtual DisplayError Prepare(LayerStack *layer_stack); 46 virtual DisplayError GetRefreshRateRange(uint32_t *min_refresh_rate, uint32_t *max_refresh_rate); 47 virtual DisplayError SetRefreshRate(uint32_t refresh_rate); 48 virtual bool IsUnderscanSupported(); 49 virtual DisplayError OnMinHdcpEncryptionLevelChange(uint32_t min_enc_level); 50 51 // Implement the HWEventHandlers 52 virtual DisplayError VSync(int64_t timestamp); 53 virtual DisplayError Blank(bool blank) { return kErrorNone; } 54 virtual void IdleTimeout() { } 55 virtual void ThermalEvent(int64_t thermal_level) { } 56 virtual void IdlePowerCollapse() { } 57 58 private: 59 uint32_t GetBestConfig(HWS3DMode s3d_mode); 60 void GetScanSupport(); 61 void SetS3DMode(LayerStack *layer_stack); 62 63 bool underscan_supported_ = false; 64 HWScanSupport scan_support_; 65 std::map<LayerBufferS3DFormat, HWS3DMode> s3d_format_to_mode_; 66 std::vector<HWEvent> event_list_ = { HWEvent::VSYNC, HWEvent::IDLE_NOTIFY, HWEvent::EXIT 67 }; 68 }; 69 70 } // namespace sdm 71 72 #endif // __DISPLAY_HDMI_H__ 73